EXERCISE DEVICE

Description

BACKGROUND OF THE INVENTION

Field of the Invention

The present invention relates to an exercise device.

Description of the Prior Art

An exercise device, such as leg extension machine, includes a seat, a weight unit and an operation rod connected with the weight unit. A trainer can sit on the seat and push the operation rod by legs so as to perform leg training. However, the existing leg extension machine is only used for lower limb training and cannot provide training for other portions of the body in a limited space. In addition, a structure and arrangement of the operation rod are usually unchangeable, which also limits the use of the leg extension machine

The present invention is, therefore, arisen to obviate or at least mitigate the above-mentioned disadvantages.

SUMMARY OF THE INVENTION

The main object of the present invention is to provide an exercise device, which can be operated in various ways to perform muscle training.

To achieve the above and other objects, the present invention provides an exercise device, including: a base, a weight unit and an operating unit. The base has a seat assembly disposed thereon. The weight unit is disposed on the base and includes at least one weight block. The operating unit includes a connecting assembly, an operating rod member and a cushioning member. The operating rod member is located at a side of the seat assembly and laterally connected with one end of the connecting assembly, and the weight unit is connected with another end of the connecting assembly. The cushioning member is detachably sleeved to the operating rod member. When the cushioning member is sleeved to the operating rod member, the cushioning member is configured to be abutted against legs of a trainer. When the cushioning member is removed from the operating rod member, the operating rod member is configured to be gripped by the trainer.

The present invention will become more obvious from the following description when taken in connection with the accompanying drawings, which show, for purpose of illustrations only, the preferred embodiment(s) in accordance with the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a stereogram of a preferable embodiment of the present invention;

FIG. 2 is a partial breakdown drawing of a preferable embodiment of the present invention;

FIG. 3 is am enlargement of FIG. 2;

FIG. 4 is a partial cross-sectional view of a preferable embodiment of the present invention;

FIG. 5 is a stereogram of a preferable embodiment of the present invention when a second rod is in a second position; and

FIGS. 6-8 are drawings showing operation of a preferable embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Please refer to FIGS. 1 to 8 for a preferable embodiment of the present invention. An exercise device 1 of the present invention includes a base 10, a weight unit 20 and an operating unit 30.

The base 10 has a seat assembly 11 disposed thereon. The weight unit 20 is disposed on the base 10 and includes at least one weight block 21. The operating unit 30 includes a connecting assembly 31, an operating rod member 32 and a cushioning member 33. The operating rod member 32 is located at a side of the seat assembly 11 and laterally connected with one end of the connecting assembly 31, and the weight unit 20 is connected with another end of the connecting assembly 31. The cushioning member 33 is detachably sleeved to the operating rod member 32. When the cushioning member 33 is sleeved to the operating rod member 32, the cushioning member 33 is configured to be abutted against legs of a trainer; when the cushioning member 33 is removed from the operating rod member 32, the operating rod member 32 is configured to be gripped by the trainer. Therefore, the exercise device 1 can be used for upper or lower limb training and can be operated in several ways. The cushioning member 33 may be made of a soft material, such as foam, rubber, silicone, cloth, etc., so as to be comfortable to use.

The base 10 includes a front rod 12, a rear rod 13 and a connecting rod 14 connected between the front rod 12 and the rear rod 13. The seat assembly 11 is disposed on the connecting rod 14, the front rod 12 has an upright rod 15 disposed thereon and being misaligned with the connecting rod 14, and the weight unit 20 and the operating unit 30 are disposed on the upright rod 15. Therefore, there is a large space in front of the seat assembly 11, which is convenient for operation, and weights of the trainer and the weight unit 20 are misaligned, providing good stability and safe use. Preferably, the base 10 further includes a supporting rod 16 and a reinforcing rod 17 which are disposed on the connecting rod 14. The seat assembly 11 is disposed on the supporting rod 16, and the reinforcing rod 17 extends arcuately and is connected between the upright rod 15 and the supporting rod 16 so as to increase structural stability and have good load-bearing capacity and structural strength. With the structure as described above, the exercise device 1 has a small volume and simple structure, which is space-saving and easy to use and maintain.

Specifically, the connecting assembly 31 includes a first rod 311 and a second rod 312. The first rod 311 is co-rotatable and connected with the weight unit 20, the second rod 312 is rotatably connected with the first rod 311 and is rotatable about a first rotational axis R1, and the operating rod member 32 is connected with the second rod 312. The operating unit 30 further includes a first positioning mechanism 34 disposed between the first rod 311 and the second rod 312, and the second rod 312 is positionable between a first position and a second position relative to the first rod 311 by the first positioning mechanism 34. When the second rod 312 is in the first position, the operating rod member 32 is located below a seat portion 111 of the seat assembly 11 and configured to be operated by legs of the trainer. As shown in FIG. 1, the trainer can push the operating rod member 32 to move in a direction remote form the seat assembly 11 by legs. When the second rod 312 is in the second position, the operating rod member 32 is located above the seat portion 111 and configured to be operated by hands of the trainer. As shown in FIGS. 5 to 8, the trainer can pull the operating rod member 32 to move in a direction close to the seat assembly 11 in different ways by hands to train different muscle groups.

In this embodiment, the first positioning mechanism 34 includes a first positioning wheel 341 and a first restricting assembly 342, the first positioning wheel 341 is non-rotatably mounted to the first rod 311 and includes a plurality of first restricting holes 343 arranged about the first rotational axis R1, and the first restricting assembly 342 is disposed on the second rod 312 and is engageable within one of the plurality of first restricting holes 343 so that a position of the second rod 312 in a circumferential direction of the first rod 311 is restricted and the second rod 312 is non-rotatable relative to the first rod 311. Please refer to FIGS. 3 and 4, the first restricting assembly 342 includes a restricting rod 344, an assembling cylinder 345 and an elastic member 346, and the assembling cylinder 345 include a tube body 345a mounted through the second rod 312 and a cap 345b screwed to the tube body 345a. The restricting rod 344 penetrates through the assembling cylinder 345, and the elastic member 346 is parallel to the first rotational axis R1 and elastically abutted against and between the restricting rod 344 and the cap 345b so that the restricting rod 344 has a tendency to move in a direction toward the first positioning wheel 341, which has a simple structure and is easy to be assembled. By pulling the restricting rod 344, the elastic member 346 is compressed and a position of the second rod 312 is adjustable, which provides stable engagement and is easy to operate.

Moreover, the operating rod member 32 is rotatably connected with the second rod 312 and is rotatable about a second rotational axis R2, and the operating unit 30 further includes a second positioning mechanism 35 disposed between the second rod 312 and the operating rod member 32. The second rotational axis R2 is parallel to the first rotational axis R1. The second positioning mechanism 35 includes a second positioning wheel 351 and a second restricting assembly 352, and the second positioning wheel 351 is non-rotatably mounted to the operating rod member 32 and includes a plurality of second restricting holes 353 arranged about the second rotational axis R2. The second restricting assembly 352 is disposed on the second rod 312 and is engageable within one of the plurality of second restricting holes 353. Therefore, a position of the operating rod member 32 relative to the second rod 312 is adjustable according to the trainer's requirements, such as the operation way, the trainer's arm length or leg length, etc. A structure of the second restricting assembly 352 is the same as a structure of the first restricting assembly 342.

Preferably, the operating rod member 32 includes a first extension section 321 and a second extension section 322 connected with the first extension section 321, the first extension section 321 extends in a direction parallel to the second rotational axis R2, and the second extension section 322 is vertical to the first extension section 321 and pivotally connected with the second rod 312. The first extension section 321 has a circular cross-section profile, and the second extension section 322 has a rectangular cross-section profile, which has good structural strength. A diametrical dimension of the operating rod member 32 (that is, the first extension section 321 of this embodiment) is between 10 mm and 70 mm, preferably, the diametrical dimension of the operating rod member 32 is between 25 mm and 50 mm for easy holding. In operation, the trainer can sit on the seat portion 111, directly grip the operating rod member 32 and move it back and forth in centrifugal and centrifugal directions, as shown in FIG. 8, performing arm or shoulder training. The trainer may stand at a side of the operating rod member 32 opposite to the seat assembly 11 and pull the operating rod member 32 to rotate about the first rotational axis R1 for different training effect. An outer circumferential surface of the operating rod member 32 preferably has a plurality of ribs 323 spacedly disposed thereon, which provides frictional resistance to prevent the cushioning member 33 from falling off, and the trainer can also grip on the operating rod member 32 stably.

The operating unit 30 further includes at least one sleeve member 36, and each of the at least one sleeve member 36 includes a gripped portion 361 configured to be gripped by the trainer and a sleeving portion 362 connected with the gripped portion 361. The sleeving portion 362 is sleeved to the operating rod member 32, and the trainer can pull the operating rod member 32 in a direction toward the seat assembly 11 by the at least one sleeve member 36, as shown in FIGS. 6 and 7, so as to train muscle groups such as arms, shoulders and back. The at least one sleeve member 36 is easy to be assembled and disassembled. Preferably, the gripped portion 361 includes a barrel 361a which may be made of metal or plastic material, and the sleeving portion 362 includes a belt 362a penetrating through the barrel 361a, which has a simple structure and is easy to be manufactured. Moreover, the belt 362a is flexible so that an operation direction of the trainer is less restricted. The operating rod member 32 has at least one groove 324 disposed thereon, and the at least one sleeve member 36 is engageable within the at least one groove 324 so as to prevent relative movement during operation and be conducive to stable operation.

The exercise device 1 further includes a pressing mechanism 40, and the pressing mechanism 40 includes a pressing rod 41, a first engaging portion 42 and a second engaging portion 43. The first engaging portion 42 and the second engaging portion 43 are located at two different sides of the seat assembly 11, and the pressing rod 41 is removably assembled to on one of the first engaging portion 42 and the second engaging portion 43. When the pressing rod 41 is assembled to the first engaging portion 42, an abutting portion 411 of the pressing rod 41 is parallel to the operating rod member 32 and configured for the trainer to abut against, as shown in FIGS. 6 and 7. In this embodiment, the first engaging portion 42 is disposed on a front side of the seat portion 111, and the pressing rod 4 is adjustably assembled to the first engaging portion 42 so that a height of the abutting portion 411 is adjustable to meet different requirements. The first engaging portion 42 is completely located below the seat portion 111 so as to avoid interference to the trainer. The second engaging portion 43 is disposed on a side of the reinforcing rod 17 remote from the seat portion 111, and the pressing rod 41 can be engaged within the second engaging portion 43 when not in use, without causing interference to the trainer.

Although particular embodiments of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.