BEACH CHAIR FRAME

Description

BACKGROUND OF THE INVENTION

The present invention relates to the technical field of beach chairs, specifically referring to a beach chair frame.

The frame of a beach chair is generally designed as a foldable structure, with chair fabric extending from an upper end of the backrest tube to the front of the inclined tube to support the user's body. Therefore, when users lie on the beach chair, the overall center of gravity is relatively low, so when standing up, users need to rely on external support force, that is, press on a certain part or item to stand up more easily.

However, the armrests of existing beach chairs are mostly made of fabric strips, which can only provide support for the arms when the user is sitting or lying down. Their flexible structure is insufficient to provide support for the users to stand up, and may even cause the users to fall to one side of the beach chair.

BRIEF SUMMARY OF THE INVENTION

In view of the aforesaid disadvantages of the prior arts, it is an object of the present invention to provide a beach chair frame. The beach chair frame according to the present invention is additionally provided with armrest tubes which will not affect the originally designed foldability of the beach chair.

To attain the above object, the present invention provides the following technical solutions:

A beach chair frame, comprising two symmetrically arranged folding assemblies on a left side and on a right side of the beach chair frame, and two sets of first cross tubes arranged between the folding assemblies on a front side and on a rear side of the beach chair frame respectively; each of the folding assemblies comprises a set of second cross tubes, a backrest tube, an armrest tube, a support tube, a first sliding seat, a second sliding seat, foot seats and a first pivot seat; a lower end of the backrest tube is pivotally connected to the first sliding seat; the first sliding seat is slidably mounted on a rear lower part of said set of second cross tubes; the second sliding seat is slidably mounted on the backrest tube; a rear end of the armrest tube is rotatably installed on one side of the backrest tube; a lower end of the support tube is slidably and pivotally connected to a front lower part of the set of second cross tubes, an upper end of the support tube is pivotally connected to a front part of the armrest tube, and a middle part of the support tube is cross-connected with a front upper part of the set of second cross tubes; each of two lower ends of each of the two sets of first cross tubes is pivotally connected to a respective lower end of a respective set of second cross tubes through a respective foot seat; each of two upper ends of the set of first cross tubes arranged on the front side of the beach chair frame and a respective front upper part of a respective set of second cross tubes are both pivotally connected to a respective first pivot seat; each of two upper ends of the set of first cross tubes arranged on the rear side of the beach chair frame and a respective rear upper part of a respective set of second cross tubes are both pivotally connected to a respective second sliding seat.

A pivot shaft at the rear end of the armrest tube passes through the backrest tube.

A fourth sliding seat is fixedly mounted on the backrest tube below the second sliding seat, and the rear end of the armrest tube is slidably connected to the fourth sliding seat.

The second sliding seat is provided with a through hole for the backrest tube to pass through, and a rear wall of the through hole is an inclined surface.

A third sliding seat is slidably mounted on the front lower part of the set of second cross tubes, and the lower end of the support tube is pivotally connected to the third sliding seat.

The front part of the armrest tube is provided with a pivoting part which the upper end of the support tube is pivotally connected to.

Preferably, the pivoting part is provided with sliding grooves along the front side towards the rear side of the beach chair frame, and ends of a pivot shaft of the upper end of the support tube slidably fits into the sliding grooves.

The rear end of the armrest tube is located below the second sliding seat.

The beach chair frame further comprises a set of third cross tubes; each of two lower ends of the set of third cross tubes is pivotally connected to a respective foot seat, and two upper ends of the set of third cross tubes configured to support one end of a chair fabric of the beach chair are located above the two lower ends thereof.

Each of the folding assemblies further comprises a swinging bent tube and a second pivot seat; the second pivot seat is pivotally connected to one of the foot seats at the front of the folding assembly; the swinging bent tube is mounted below the folding assembly, a front end of the swinging bent tube is inserted into the second pivot seat, and a rear end of the swinging bent tube passes through another one of the foot seats at the rear of the folding assembly.

After adopting the above technical solutions, the present invention has the following technical effects:

The present invention realizes sliding of the lower end of the backrest tube on the set of second cross tubes through the first sliding seat, and by other cross-connections and foldable structures or pivotal connections realized by the other structures of the present invention, the present invention ensures that the beach chair frame does not affect the original folding function after adding the armrest tubes. When using the beach chair with the beach chair frame of the present invention, users can be supported on the armrest tubes when standing up, so that this standing up action gets support from the beach chair, thereby providing better user's experience and safety; at the same time, this beach chair frame can achieve two usage states: sit position and reclined position, making it more versatile.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of the first embodiment of this invention in a sit position.

FIG. 2 is a perspective view of the first embodiment of this invention in a reclined position.

FIG. 3 is a perspective view of a folded state of the first embodiment of this invention.

FIG. 4 is a perspective view of a second sliding seat of the first embodiment of this invention.

FIG. 5 is a perspective view of the second embodiment of this invention in a sit position.

FIG. 6 is a schematic diagram of a partially folded state of the second embodiment of this invention.

FIG. 7 is a perspective view of the third embodiment of this invention in a reclined position.

FIG. 8 is a perspective view of the fourth embodiment of this invention in a reclined position.

FIG. 9 is a perspective view of the fifth embodiment of this invention in a reclined position.

FIG. 10 is a perspective view of the sixth embodiment of this invention in a reclined position.

DETAILED DESCRIPTION OF THE INVENTION

To further explain the technical solutions of the present invention, the following detailed description is provided through specific embodiments.

With reference to FIGS. 1-4, the first embodiment of this invention discloses a beach chair frame, comprising two symmetrically arranged folding assemblies on a left side and on a right side of the beach chair frame respectively, and two sets of first cross tubes 1 arranged between the folding assemblies on a front side and on a rear side of the beach chair frame respectively; wherein, each of the folding assemblies comprises a set of second cross tubes 2, a backrest tube 3, an armrest tube 4, a support tube 5, a first sliding seat 6, a second sliding seat 7, foot seats 8, and a first pivot seat 9;

• • a lower end of the backrest tube 3 is pivotally connected to the first sliding seat 6, the first sliding seat 6 is slidably mounted on a rear lower part of the set of second cross tubes 2; the second sliding seat 7 is slidably mounted on the backrest tube 3;
  • a rear end of the armrest tube 4 is rotatably installed on one side of the backrest tube 3 and is located below the second sliding seat 7;
  • a lower end of the support tube 5 is slidably and pivotally connected to a front lower part of the set of second cross tubes 2; an upper end of the support tube 5 is pivotally connected to a front part of the armrest tube 4, and a middle part of the support tube 5 is cross-connected with a front upper part of the set of second cross tube 2;

Each of two lower ends of each of said two sets of first cross tubes 1 is pivotally connected to a respective lower end of a respective set of second cross tubes 2 through a respective foot seat 8; each of two upper ends of the set of first cross tubes 1 arranged on the front side of the beach chair frame and a respective front upper part of a respective set of second cross tubes 2 are both pivotally connected to a respective first pivot seat 9; each of two upper ends of the set of first cross tubes 1 arranged on the rear side of the beach chair frame and a respective rear upper part of a respective set of second cross tubes 2 are both pivotally connected to a respective second sliding seat 7.

According to the above technical solutions, the present invention realizes sliding of the lower end of the backrest tube 3 on the set of second cross tubes 2 through the first sliding seat 6, and by other cross-connections and foldable structures or pivotal connections realized by the other structures of the present invention, the present invention ensures that the beach chair framer does not affect the original folding function after adding the armrest tubes 4. When using the beach chair with the beach chair frame of the present invention, users can be supported on the armrest tubes 4 when standing up, so that this standing up action gets support from the beach chair, thereby providing better user's experience and safety; at the same time, with reference to FIGS. 1-2, this beach chair frame can achieve two usage states: sit position and reclined position, making it more versatile.

In the first embodiment, a pivot shaft 100 at the rear end of the armrest tube 4 directly passes through the backrest tube 3, realizing the rotatable installation of the rear end of the armrest tube 4 on the backrest tube 3.

With reference to FIG. 4, in the first embodiment, the second sliding seat 7 is provided with an through hole 71 for the backrest tube 3 to pass through; a rear wall of the through hole 71 is an inclined surface 711. The inclined surface 711 allows the backrest tube 3 to swing relative to the through hole 71, thus enabling the beach chair frame to achieve either the sit position or the reclined position.

In the first embodiment, a third sliding seat 10 is slidably mounted on the front lower part of the set of second cross tubes 2, and the lower end of the support tube 5 is pivotally connected to third sliding seat 10.

In the first embodiment, the front part of the armrest tube 4 is provided with a pivoting part 41 for the upper end of the support tube 5 to be pivotally connected.

With reference to FIGS. 5-6, the second embodiment of this invention differs from the first embodiment mainly in that:

A fourth sliding seat 20 is fixedly mounted on the backrest tube 3 below the second sliding seat 7, and the rear end of the armrest tube 4 is slidably connected to the fourth sliding seat 20.

With reference to FIG. 7, the third embodiment of this invention differs from the first embodiment mainly in that:

The pivoting part 41 is provided with sliding grooves 411 along the front side towards the rear side of the bench chair, and ends of a pivot shaft 200 of the upper end of the support tube 5 slidably fits into the sliding grooves 411.

With reference to FIG. 8, the fourth embodiment of this invention differs from the first embodiment mainly in that:

• • further comprising a set of third cross tubes 30; each of two lower ends of the set of third cross tubes 30 is pivotally connected to a respective foot seat 8 of a respective folding assembly, and two upper ends of the set of third cross tubes 30 is located above the two lower ends thereof to support one end of a chair fabric of the beach chair. When the chair fabric of the beach chair is longer and extends to the two upper ends of the set of third cross tubes 30, the two upper ends of the set of third cross tubes 30 provides the beach chair with a footrest, enriching functionality of the beach chair and providing better user's experience.

With reference to FIG. 9, the fifth embodiment of this invention differs from the first embodiment mainly in that:

Each of the two folding assemblies also comprises a swinging bent tube 40 and a second pivot seat 50; the second pivot seat 50 is pivotally connected to one of the foot seats 8 at the front of the folding assembly to achieve folding; the swinging bent tube 40 is mounted below the folding assembly, a front end of the swinging bent tube 40 is inserted into second pivot seat 50, and a rear end of swinging bent tube 40 passes through another one 8′ of the foot seats 8 at the rear of the folding assembly. By providing the swinging bent tube 40 on each of the two folding assemblies, the beach chair has a rocking function after unfolding.

With reference to FIG. 10, the sixth embodiment of this invention differs from the first embodiment mainly in that:

The bench chair is additionally provided with the swinging bent tube 40 and the second pivot seat 50 on each of the two folding assemblies, and also the set of third cross tubes 30, such that the bench chair is made more versatile.

The above embodiments and figures do not limit the form and style of this invention. Any appropriate changes or modifications made by ordinary technicians in the field should be considered as not departing from the patent scope of this invention.