COSMETICS PENCIL AND METHOD FOR MANUFACTURING SAME

Description

CROSS-REFERENCE TO RELATED PATENT APPLICATION

This application is a continuation application of International Application No. PCT/CN2025/079491, filed on February 27, 2025, which itself claims priority to Chinese Patent Application No. 202411819619.5, filed on December 11, 2024. The disclosure of each of the above-mentioned applications is hereby incorporated by reference.

TECHNICAL FIELD

The present disclosure belongs to the technical field of cosmetics, and in particular to, a cosmetics pencil and a method for assembling the same.

BACKGROUND

In modern society, people use cosmetics pencils for cosmetic purposes to shape their eyebrows. An existing cosmetics pencil for shaping eyebrows usually includes a pencil body and a pencil cap. The pencil body is provided with a pencil core, and an advancing mechanism that pushes the pencil core out of the pencil body. The advancing mechanism usually includes a push rod. Only an extremely short portion of a rear end of the pencil core is fixed on a front end of the push rod. Substantially all of the pencil core except the rear end is located in the pencil body without support, causing the pencil core to be prone to deforming when the temperature changes. Once the pencil core deforms, it will result in difficulty in pushing out the pencil core and deterioration of eyebrow-drawing performance. The pencil core has the risk of falling from the push rod or being broken in cases such as dropping, collision, and the like.

SUMMARY

The present disclosure aims to provide a cosmetics pencil, a pencil core of which is retractable, resistant to deformation, and free from the risk of falling off and breaking, so as to overcome defects in the prior art.

In order to solve the above technical problem, the present disclosure adopts the following technical solution:

A cosmetics pencil, including:

a pencil body, where the pencil body is provided with a pencil core cavity, and a front end of the pencil core cavity is provided with a pencil core outlet;

a pencil core, disposed in the pencil core cavity; and

an advancing mechanism, disposed in the pencil body and provided with a push rod capable of advancing or retracting in the pencil body, where

the pencil core cavity is further provided with a pencil core sleeve that encloses the whole pencil core, the pencil core cavity is further provided with a stopping structure configured to limit a moving stroke of the pencil core sleeve, and the push rod is provided with a friction pushing head that stretches into the pencil core sleeve and is in frictional contact with an inner wall of the pencil core sleeve at a front end.

By adopting the above technical solution, the pencil core sleeve that wraps the whole pencil core is disposed in the pencil core cavity. Wrapped and supported by the pencil core sleeve, the pencil core is resistant to deformation due to the temperature change and free of the risk of falling off and breaking. The stopping structure configured to limit the moving stroke of the pencil core sleeve is further disposed in the pencil core cavity, and the push rod is provided with the friction pushing head that stretches into the pencil core sleeve and is in frictional contact with an inner wall of the pencil core sleeve at the front end, such that at the initial stage, the advancing mechanism is acted on to enable the push rod to advance. The friction pushing head of the push rod may drive the pencil core sleeve by means of the frictional force with the inner wall of the pencil core sleeve to drive the pencil core to advance together. When the pencil core sleeve moves to the position of the stopping structure in the pencil core cavity, even if the push rod pushes the pencil core sleeve continuously, the pencil core sleeve will be blocked by the stopping structure and cannot advance continuously. The friction pushing head will overcome the frictional force with the inner wall of the pencil core sleeve within the pencil core sleeve to advance continuously, so as to push the pencil core to move forward continuously in the pencil core sleeve, such that the pencil core is extruded out of the pencil core sleeve, and the action of the advancing mechanism is stopped when the pencil core is extruded from the pencil core outlet at the front end of the pencil body through the pencil core cavity to expose the pencil body and reaches an exposed length required by the user. In this case, the user may use the part of the pencil core exposed outside the pencil body for makeup and beauty purposes. After the user completes the makeup and beauty process, by acting on the advancing mechanism, the push rod retracts, and in this case, the friction pushing head of the push rod drives the pencil core sleeve again by means of the frictional force with the inner wall of the pencil core sleeve to drive the pencil core to retract together, such that the part of the pencil core exposed out of the pencil body retracts into the pencil core cavity of the pencil body. Certainly, during use, when the pencil core sleeve is pushed into place by the advancing mechanism, i.e., stopped by the stopping mechanism, the part of the pencil core exposed out of the pencil body is too short, the push rod advances continuously to extrude more of the pencil core out of the pencil core cavity to achieve the required exposed length by acting on the advancing mechanism.

It can thus be seen that by additionally disposing the pencil core sleeve to support the whole pencil core, the pencil core may be extruded out of the pen body to the required length according to a usage requirement, and the pencil core can retract into the pencil body again when the cosmetics pencil is not used. The cosmetics pencil has the advantage that the pencil core is resistant to deformation due to the temperature change and free of the risk of breaking and falling off.

In addition, the present disclosure further provides a method for manufacturing the cosmetics pencil, including a pencil core filling step and a part assembling step, where the pencil core filling step includes filling a gel-like pencil core material into the pencil core sleeve, and the part assembling step comprises: inserting the friction pushing head of the push rod into the pencil core sleeve from the rear end of the pencil core sleeve.

In the present disclosure, a front end surface of the pencil core sleeve has a shape; and the pencil core filling step comprises blocking the front end of the pencil core sleeve with a mold, and filling the pencil core material into the pencil core sleeve from the rear end of the pencil core sleeve, wherein the mold is provided with a blocking surface whose surface shape is the same as the shape of the front end surface of the pencil core sleeve. Thus, the front end surface of the pencil core may be directly formed into the desired shape during filling.

BRIEF DESCRIPTION OF DRAWINGS

The present disclosure will be further described in detail below in conjunction with drawings and specific implementations.

FIG. 1 is a structural cross-sectional view of Embodiment 1.

FIG. 2 is an enlarged schematic view of a portion A in FIG. 1.

FIG. 3 is an enlarged schematic view of a portion B in FIG. 1.

FIG. 4 is an enlarged schematic view of a portion C in FIG. 1.

FIG. 5 is a schematic structural view of a pencil head in Embodiment 1.

FIG. 6 is a schematic structural view of a bushing in Embodiment 1.

FIG. 7 is a schematic structural view of a pencil barrel in Embodiment 1.

FIG. 8 is a schematic structural view of a threaded sleeve in Embodiment 1.

FIG. 9 is a sectional view taken along a line A-A of FIG. 1.

FIG. 10 is a sectional view taken along a line B-B of FIG. 1.

FIG. 11 is a sectional view taken along a line C-C of FIG. 1.

FIG. 12 is a sectional view taken along a line D-D of FIG. 1.

FIG. 13 is a structural cross-sectional view of Embodiment 2.

FIG. 14 is an enlarged schematic view of a portion D in FIG. 13.

FIG. 15 is an enlarged schematic view of a portion E in FIG. 13.

FIG. 16 is a schematic structural view of a pencil barrel in Embodiment 2.

FIG. 17 is a schematic structural view of a pencil head in Embodiment 2.

FIG. 18 is a schematic structural view of an integrated structure formed by the bushing and the threaded sleeve in Embodiment 2.

FIG. 19 is a schematic structural view of a push rod in Embodiment 2.

FIG. 20 is a sectional view taken along a line E-E of FIG. 13.

FIG. 21 is a sectional view taken along a line F-F of FIG. 13.

FIG. 22 is a sectional view taken along a line G-G of FIG. 13.

FIG. 23 is a sectional view taken along a line H-H of FIG. 13.

DETAIL DESCRIPTION OF THE EMBODIMENTS

Embodiment 1

As shown in FIG. 1, the cosmetics pencil in this embodiment includes a pencil body 100, a pencil core 200 and an advancing mechanism 300 disposed in the pencil body 100, and a pencil cap 400 sleeved with the pencil body 100.

The pencil body 100 includes a pencil head 110, a bushing 120, and a pencil barrel 130.

As shown in FIG. 5, the pencil head 110 is provided with a through pencil core cavity 500, and a peripheral outer surface is divided into a conical section 111 of a main body and a cylindrical section 112 located at a rear end from front to rear. An outlet section 510, a main body section 520, a stroke section 530, and a sleeving section 540 with successively increased aperture diameter are sequentially formed in the pencil core cavity 500.

As shown in FIG. 1 in combination with FIG. 2, a joint between the stroke section 530 and the main body section 520 forms a first step 531. The first step 531 is the stopping structure of the present disclosure. A joint between the outlet section 510 and the main body section 520 forms a second step 511.

A pencil core sleeve 600 mounted in the pencil core cavity 500 is further included. A through pencil core hole 601 is formed in an inner wall of the pencil core sleeve 600, and the whole pencil core 200 is completely filled into the pencil core hole 601 of the pencil core sleeve 600, i.e., the pencil core sleeve 600 can wrap the whole pencil core. The main body portion of the pencil core sleeve 600 is located in the main body section 520 of the pencil core cavity 500, and a rear end is provided with a flange 602 protruding out of a circumferential surface and located in the stroke section 530.

The sleeving section 540 of the pencil head 110 is sleeved at a front section 121 of the bushing 120. A circumferential stopping structure and an axial stopping structure are disposed between the sleeving section 540 and the front section 121. The circumferential stopping structure is configured to prevent the pencil head 110 from rotating relative to the bushing 120, and the axial stopping structure is configured to prevent the pencil head 110 from axial shifting relative to the bushing 120, such that the pencil head 110 is fixed on the front section 121 of the bushing 120.

As shown in FIG. 1 in combination with FIG. 3, FIG. 7, FIG. 8, and FIG. 12, the pencil barrel 130 is a cylindrical rod, which is provided with a pencil barrel cavity 700 closed at the rear end and open at the front end. The pencil barrel cavity 700 is divided into an opening section 710, a middle section 720, and a rear section 730 from front to rear. The opening section 710 is sleeved on the rear section 122 of the bushing 120, and the axial stopping structure, rather than the circumferential stopping structure, is disposed between the opening section and the rear section, i.e., the pencil barrel 130 may rotate on the bushing 120 relative to the bushing 120.

The advancing mechanism 300 includes a push rod 310, and a threaded sleeve 320 that drives the push rod 310 to advance and retract. The threaded sleeve 320 is disposed in the pencil barrel 130.

The push rod 310 is divided into a smooth rod section 311 and a threaded section 312. The smooth rod section 311 penetrates through the bushing 120, and a front end of the smooth rod section is provided with a friction pushing head 311a inserted into the pencil core hole 601 from the rear end of the pencil core sleeve 600. The threaded section 312 is located in a rear section 730 of the pencil barrel cavity 700. Ribs 731 are equally spaced apart circumferentially on the inner wall of the rear section 730. A front end of each of the ribs 731 is provided with a stopping step 731a and a flat protrusion 731b extending in front of the stopping step 731a. The threaded sleeve 320 is located in the middle section 720 and sleeved on the threaded section 312. A front end of the threaded section is stopped by a rear end surface of the bushing 120, and a rear end thereof is stopped by the stopping step 731a. A protruding strip 321 located in a gap between two adjacent flat protrusions 731b is further disposed on a circumferential surface of the threaded sleeve 320. By adopting such a structure, the threaded sleeve 320 will rotate together with the pencil barrel 130.

As shown in FIG. 4, FIG. 8, and FIG. 12, the threaded sleeve 320 is further provided with two symmetrical elastic sheets 322. An inner surface of each of the elastic sheets 322 is provided with a thread 323 meshing with the threaded section 312. An outer surface of each of the elastic sheets 322 is provided with a spherical protrusion 324 stopped by the pencil barrel to limit an opening extent of the elastic sheet 322.

By adopting the above technical solution, during use, the pencil barrel 130 rotates relative to the pencil head 110. The pencil barrel 130 will drive the threaded sleeve 320 in the pencil barrel 130 to rotate together, such that the threaded sleeve 320, in meshing transmission with the threaded section 312 of the push rod 310, drives the push rod 310 to move forward in the axial direction of the bushing 120 rather than driving the push rod 310 to rotate relative to the bushing 120. The friction pushing head 311a at the front end of the push rod 310 will drive the pencil core sleeve 600 by means of the frictional force with the inner wall of the pencil core sleeve 600 and drive the pencil core 200 to advance together. When the flange 602 at the rear end of the pencil core sleeve 600 touches the first step 531 as the stopping structure, the pencil barrel is continuously rotated forward, the pencil core sleeve 600 will be blocked by the stopping structure and cannot move continuously, and the friction pushing head 311a will overcome the frictional force with the inner wall of the pencil core sleeve 600 in the pencil core sleeve 600 to advance continuously to push the pencil core 200 to continuously move forward in the pencil core sleeve 600, such that the pencil core 200 is extruded out of the pencil core sleeve 600. The pencil barrel 130 is stopped rotating until the pencil core is extruded from the pencil core outlet 513 at the front end through the outlet section 510 of the pencil core cavity 500 to expose the pencil head 110 to reach the exposed length required by the user. In this case, the user may use the part of the pencil core 200 exposed out of the pencil head 110 for makeup and beauty purposes. After the user completes the makeup and beauty process, by rotating the pencil barrel reversely to drive the threaded sleeve 320 to drive the push rod 310 to retract, in this case, the friction pushing head 311a of the push rod 310 drives the pencil core sleeve 600 again by means of the frictional force with the inner wall of the pencil core sleeve 600 to drive the pencil core 200 to retract together, such that the part of the pencil core 200 exposed out of the pencil head 110 retracts into the pencil core cavity 500 of the pencil head 110. When the pencil barrel 130 is rotated forward again, the pencil core 200 may also be pushed out of the pencil head. Certainly, during use, if the part of the pencil core 200 exposed out of the pencil head is too short, the pencil barrel 130 is rotated forward continuously, such that more of the pencil core 200 may be exposed out of the pencil head 110 to reach the required exposed length.

It should be noted that, when the flange 602 at the rear end of the pencil core sleeve 600 touches the first step 531, a gap is further formed between the front end surface of the pencil core sleeve 600 and the second step 511, which prevents the second step 511 from interfering with the pencil core sleeve 600 when the pencil core sleeve moves in the pencil core cavity 500.

When the pencil barrel rotates, only the pencil barrel 130 and the threaded sleeve 320 rotate relative to the push rod 310. The push rod 310 will not rotate relative to the bushing 120, the pencil core sleeve 600, and the pencil head 110, but advance and retract relative to the bushing 120, the pencil core sleeve 600, and the pencil head 110. Therefore, the cross-section shape of the pencil core 200 may not be required in this embodiment, and the cross-section shape of the pencil core may be circular or irregular-shaped. For example, in this embodiment, as shown in FIGS. 9-11, the cross-section shape of the pencil core 200 is flat. Correspondingly, the cross-section shapes of the pencil core outlet 513, the pencil core cavity 500, the pencil core sleeve 600, the pencil core hole 601, the smooth rod section 311, and the friction pushing head 311a are all flat.

In a case where the pencil core 200 is a viscous and soft colloid, the pencil core is directly extruded by the friction pushing head 200, and the friction pushing head 311a will sink into the pencil core. The pencil core material on the inner wall of the pencil core sleeve 600 cannot be scraped thoroughly, and the pencil core material will attach to the inner wall of the pencil core sleeve 600. To overcome this defect, as shown in FIG. 2, a first sealing ring groove 313 is formed in the circumferential surface of the friction pushing head 311a. A first sealing ring 314 in interference fit with the inner wall of the pencil core sleeve 600 is disposed in the first sealing ring groove 313. The first sealing ring 314 can achieve friction and hermetic sealing with the inner wall of the pencil core sleeve 600. Thus, a closed space is formed between the rear end surface of the pencil core 200 and the friction pushing head 311a in the pencil core sleeve 600. Air is locked in the closed space. Once the pencil core sleeve is stopped by the stopping structure, the friction pushing head 311a will compress the air in the closed space when pushing continuously forward, such that the air is converted into a high-pressure gas. The high-pressure gas will extrude the pencil core 200 when the friction pushing head 311a moves forward, such that the pencil core 200 is not directly extruded by the friction pushing head 311a. In a case where the pencil core 200 is a viscous and soft colloid, the high-pressure gas can push and extrude the pencil core material on the inner wall of the pencil core sleeve together forward, such that the pencil core material will not attach to the inner wall of the pencil core sleeve.

In this embodiment, as shown in FIG. 3, FIG. 5, and FIG. 7, the circumferential stopping structure between the sleeving section 540 and the front section 121 is composed of a positioning groove 541 formed in an inner wall of an opening of the sleeving section 540 and a positioning protrusion 121a disposed at the front section 121 and clamped in the positioning groove 541. The axial stopping structure between the sleeving section 540 and the front section 121 is composed of a first annular groove 542 formed in the inner wall of the sleeving section 540 and a first annular protrusion 121b disposed on the outer surface of the front section 121 and clamped in the first annular groove 542. The axial stopping structure between the opening section 710 and the rear section 122 is composed of a second annular groove 711 formed in the inner wall of the opening section 710 and a second annular protrusion 122a disposed on the outer surface of the rear section 122 and clamped in the second annular groove 711.

To enable the pencil barrel 130 to rotate smoothly on the bushing 120, a second sealing ring groove 122b is formed in front of the second annular protrusion 122a on the outer surface of the rear section 122, and a second sealing ring 712 in contact with the inner wall of the opening section 710 of the pencil barrel 130 is fixed in the second sealing ring groove 122b.

As shown in FIG. 2 again, the pencil cap 400 is snap-fitted to a conical section 111 of the pencil head 110. There is an anti-falling positioning structure that prevents the pencil cap 400 from falling off from the conical section 111 between the pencil cap and the conical section. After being snap-fitted, an open end surface of the pencil cap 400 leans against a front end surface of the cylindrical section 112. The anti-falling positioning structure is composed of a third annular protrusion 111a disposed on the outer surface of the conical section 111 and a fourth annular protrusion 401 disposed on the inner wall of the pencil cap 400 and clamping and stopping the third annular protrusion 111a. A fifth annular protrusion 402 is further disposed at a position, close to the opening, of the inner wall of the pencil cap 400. After the pencil cap 400 is snap-fitted to the conical section 111 of the pencil head 110, the fifth annular protrusion 402 leans against the circumferential surface of the conical section 111. In addition, a sixth annular protrusion leaning against the front section 121 of the bushing 120 is further disposed on the inner surface of the sleeving section 540 of the pencil core cavity 500. The fifth annular protrusion 402 and the sixth annular protrusion play a hermetically sealing role, guaranteeing that after the pencil cap 400 is snap-fitted to the pencil head 110, a closed space is formed between the pencil cap 400 and the pencil head 110, and preventing evaporation of moisture in the pencil core 200 and drying of the pencil core 200, thereby prolonging the service life of the pencil core.

In this embodiment, as shown in FIG. 1 again, the front end surface of the pencil core sleeve 600 is a shaped surface. By configuring the front end surface of the pencil core sleeve 600 in a needed shape, the front end of the pencil core may be directly filled into the corresponding shape when the pencil core is filled. In this embodiment, the front end surface of the pencil core sleeve 600 is configured as a machete-shaped circular-arc surface the same as that of the front end surface of the pencil head 110. By configuring the front end surface of the pencil core sleeve 600 as the circular-arc surface, the front end of the pencil core 200 may be directly filled into the machete shape when the pencil core is filled. Similarly, when other shapes are configured on the front end surface of the pencil core sleeve 600, the front end of the pencil core 200 will be directly filled into the corresponding other shapes.

The above describes the cosmetics pencil in this embodiment. A method for manufacturing the cosmetics pencil includes a pencil core filling step and a part assembling step:

The pencil core filling step includes blocking the front end of the pencil core sleeve with a mold, and filling a gel-like pencil core material into the pencil core sleeve from the rear end of the pencil core sleeve to form a pencil core. The mold has a blocking surface whose surface shape is the same as the shape of the front end surface of the pencil core sleeve.

Referring to FIG. 1, the part assembling step includes:

S1, the threaded sleeve 320 is mounted at the middle section 720 in the pencil barrel, the protruding strip 321 on the threaded sleeve 320 is clamped in a gap between adjacent flat protrusions 731b in a pencil barrel cavity 700, and a rear end surface of the threaded sleeve 320 is in contact with the stopping step 731a at the front end of a rib 731.

S2, the threaded section 312 of the push rod 310 passes through the threaded sleeve 320 and is mounted in the pencil barrel cavity 700, such that the rear end of the push rod 310 leans against the bottom of the pencil barrel cavity 700.

S3, the bushing 120 is sleeved on the smooth rod section 311 of the push rod 310 and the rear section 122 of the bushing 120 is mounted in the opening section 710 of the pencil barrel 130, such that the second annular protrusion 122a on the rear section 122 is clamped in the second annular groove 711 of the opening section 710.

S4, the friction pushing head 311a exposed out of the bushing 120 is inserted into the pencil core hole 601 from the rear section of the pencil core sleeve 600.

S5, the pencil core cavity 500 of the pencil head 110 is sleeved on the pencil core sleeve 600 and mounted on the front section 121 of the bushing 120, such that the positioning protrusion 121a and the first annular protrusion 121b on the front section 121 are respectively clamped in the positioning groove 541 and the first annular groove 542 of the sleeving portion 540 of the pencil core cavity 500.

S6, the pencil cap 400 is snap-fitted to the pencil head 110, such that the fourth annular protrusion 401 in the pencil cap 400 is clamped on the third annular protrusion 111a on the pencil head 110.

Embodiment 2

As shown in FIGS. 13-19 and FIG. 23, the difference between this embodiment and Embodiment 1 lies in that the push rod 310 can not only rotate relative to the bushing 120 and the pencil head 110, but also advance and retract relative to the bushing 120 and the pencil head 110. The pencil barrel 130 cannot rotate relative to the push rod 310, and the push rod 310 can only advance and retract along the pencil barrel 130. Since the push rod 310 needs to rotate relative to the pencil head 110, the cross-sections of the pencil core 200 and the smooth rod section 311 of the push rod 310 can only be circular, rather than irregular-shaped.

Specifically, the threaded sleeve 320 needs to be fixedly connected to the rear section of the bushing 120. In this embodiment, the threaded sleeve 320 and the rear section 122 of the bushing 120 are connected integrally. The protruding strip clamped between adjacent ribs 731 is not disposed on the surface of the threaded sleeve 320. There is a gap between the rear end surface of the threaded sleeve 320 and the rib 731 of the pencil barrel 130. A protruding sliding block 312a clamped between adjacent ribs 731 is disposed on the surface of the rear end of the threaded rod 312. Thus, the pencil barrel 130 may drive the push rod 310 to rotate in the threaded sleeve 320, i.e., the push rod 310 rotates relative to the bushing 120 and the pencil head 110 and advances and retracts relative to the bushing 120 and the pencil head 110.

In this embodiment, as shown in FIGS. 20-22, the cross-sections of the pencil core outlet 513, the pencil core 200, the pencil core cavity 500, the pencil core sleeve 600, the pencil core hole 601, and the smooth rod section 311 of the push rod 310 all are circular.

Other structures are the same as those in Embodiment 1, which are not described repeatedly herein.

Since the protruding sliding block 312a is clamped between adjacent ribs 731 of the pencil barrel cavity 700, when the pencil barrel 130 is rotated, the push rod 310 will be driven to rotate relative to the threaded sleeve 320, the bushing 120, and the pencil head 110, such that the push rod 310 advances and retracts in the threaded sleeve 320 and the bushing 120. Similarly, when the pencil barrel 130 rotates forward, the friction pushing head 311a at the front end of the push rod 310 will drive the pencil core sleeve 600 by means of the frictional force with the inner wall of the pencil core sleeve 600 and drive the pencil core 200 to advance together. When the flange 602 at the rear end of the pencil core sleeve 600 touches the first step 531 as the stopping structure, the pencil barrel is continuously rotated forward, the pencil core sleeve 600 will be blocked by the stopping structure and cannot move continuously, and the friction pushing head 311a will overcome the frictional force with the inner wall of the pencil core sleeve 600 in the pencil core sleeve 600 to advance continuously to push the pencil core 200 to continuously move forward in the pencil core sleeve 600, such that the pencil core 200 is extruded out of the pencil core sleeve 600. The pencil barrel 130 is stopped rotating until the pencil core is extruded from the pencil core outlet 513 at the front end through the outlet section 510 of the pencil core cavity 500 to expose the pencil head 110 to reach the exposed length required by the user. In this case, the user may use the part of the pencil core 200 exposed out of the pencil head 110 for makeup and beauty purposes. After the user completes the makeup and beauty process, by rotating the pencil barrel reversely to drive the threaded sleeve 320 to drive the push rod 310 to retract, in this case, the friction pushing head 311a of the push rod 310 drives the pencil core sleeve 600 again by means of the frictional force with the inner wall of the pencil core sleeve 600 to drive the pencil core 200 to retract together, such that the part of the pencil core 200 exposed out of the pencil head 110 retracts into the pencil core cavity 500 of the pencil head 110. When the pencil barrel 130 is rotated forward again, the pencil core 200 may also be pushed out of the pencil head. Certainly, during use, if the part of the pencil core 200 exposed out of the pencil head is too short, the pencil barrel 130 is rotated forward continuously, such that more of the pencil core 200 may be exposed out of the pencil head to reach the required exposed length.

The cosmetics pencil in this embodiment is only applicable to a rod-shaped pencil core with a circular cross-section.

Similarly, a method for manufacturing the cosmetics pencil in this embodiment also includes a pencil core filling step and a part assembling step:

The pencil core filling step includes blocking the front end of the pencil core sleeve with a mold, and filling a gel-like pencil core material into the pencil core sleeve from the rear end of the pencil core sleeve to form a pencil core. In this embodiment, the blocking surface of the mold is a flat surface.

Referring to FIG. 13, the part assembling step includes:

S1, the bushing 120 with the threaded sleeve 320 is sleeved on the push rod 310, such that the threaded sleeve 320 is meshed with the threaded rod 312 of the push rod 310.

S2, the push rod 310 and the rear section 122 of the bushing 120 are mounted in the pencil barrel 130, such that the protruding sliding block 312a at the rear end of the threaded rod 312 of the push rod 310 is clamped in the gap between adjacent ribs 731, and the second annular protrusion 122a on the rear section 122 is clamped in the second annular groove 711 of the opening section 710, such that the rear end of the push rod 310 leans against the bottom of the pencil barrel cavity 700.

S3, the friction pushing head 311a exposed out of the bushing 120 is inserted into the pencil core hole 601 from the rear section of the pencil core sleeve 600.

S4, the pencil core cavity 500 of the pencil head 110 is sleeved on the pencil core sleeve 600 and mounted on the front section 121 of the bushing 120, such that the positioning protrusion 121a and the first annular protrusion 121b on the front section 121 are respectively clamped in the positioning groove 541 and the first annular groove 542 of the pencil core cavity 500 and the sleeving portion 540.

S5, the pencil cap 400 is snap-fitted to the pencil head 110, such that the fourth annular protrusion 401 in the pencil cap 400 is clamped on the third annular protrusion 111a on the pencil head 110.