Upper limb strength training device

Abstract

The invention discloses an upper limb strength training device which comprises a training device body, a buffering mechanism is arranged below the training device body, and an auxiliary mechanism is arranged on the left side of the training device body. And the lifting assembly comprises a connecting piece installed on the left side of the training device body, and the surface of the connecting piece is fixedly connected with an adjusting box. According to the upper limb strength training device, by arranging the lifting assembly and the control assembly, free adjustment of the height of the seat cushion is achieved, so that users of different heights can better use the training device to train upper limb strength, and by arranging the limiting assembly, after the height of the seat cushion is adjusted, the height of the seat cushion is adjusted. Under the influence of the elasticity of the limiting spring, one end of the limiting rod is always clamped with the surface of the ratchet wheel, so that the whole control assembly is limited, and the stability of the seat cushion after height adjustment is kept.

Description

Technical Field

[0001] The invention relates to the technical field of strength trainers, in particular to an upper limb strength trainer. Background Art

[0002] The reference patent name is: An upper limb strength trainer (patent publication number: CN115607901A, patent publication date: 2023.01.17), including a trainer main frame, a weight-bearing structure, a traction structure, a guide structure and a herringbone bracket. The trainer main frame includes an H-shaped bottom frame and a U-shaped top frame, and the U-shaped top frame is plugged and installed on the top of the H-shaped bottom frame. This scheme adopts a brand-new weight-bearing structure, which is mainly composed of a water storage bottle, a weight-bearing bottle, a water pipe and a flow regulator. By opening the flow regulator, the water inside the water storage bottle can be transported to the inside of the weight-bearing bottle through the water pipe, and the scale lines on the surface of the weight-bearing bottle can be used to gradually change the weight of the weight-bearing bottle. Compared with the traditional method of changing the number of weight plates, it is more scientific and reasonable. The herringbone bracket at the bottom of the trainer main frame is a foldable and retractable structure. When not in use, the herringbone bracket can be folded and retracted by simply lifting the height of the herringbone bracket, which is quick and convenient, and also reduces the space occupied by the trainer.

[0003] Based on what is described in the above-mentioned document: Upper limb strength trainers are a type of fitness equipment. Currently, there are various types of upper limb strength trainers. When users are doing upper limb strength training, they sometimes need to sit down to perform high-tension training. Due to the different heights of different users, the height of the seat cushion needs to be flexibly adjusted and its stability maintained. When users are doing upper limb strength training, they can freely adjust the weight plates to achieve the best training effect. However, users sometimes become exhausted. At this time, the weight plates may freely slide down to the load-bearing plate. If the number of weight plates is large and the weight is heavy, the load-bearing plate or the trainer body may be damaged. For this reason, the present invention provides an upper limb strength trainer. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an upper limb strength trainer, which solves the problem that when a user is performing upper limb strength training, sometimes he needs to sit down to perform high tension training. Due to the different heights of different users, the height of the seat cushion needs to be flexibly adjusted and its stability maintained. When performing upper limb strength training, the user can freely adjust the weight plates to achieve the best training effect. However, the user may sometimes become exhausted. At this time, the weight plates may freely slide down to the load-bearing plate. If the number of weight plates is large and the weight is heavy, the load-bearing plate or the trainer body may be damaged.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an upper limb strength trainer, comprising a trainer body, a buffer mechanism is provided below the trainer body, an auxiliary mechanism is provided on the left side of the trainer body, and the auxiliary mechanism includes;

[0006] The lifting assembly includes a connecting piece installed on the left side of the training device body, the surface of the connecting piece is fixedly connected to an adjustment box, the interior of the adjustment box is slidably connected to a lifting column, the top of the lifting column is fixedly connected to a seat cushion, the inner wall of the adjustment box is rotatably connected to a rotating rod, and the surface of the rotating rod is fixedly connected to a rotating gear and a lifting gear:

[0007] A control assembly is arranged at the front side of the regulating box;

[0008] A limit assembly is arranged at the front side of the regulating box;

[0009] The auxiliary component is arranged on the left side of the connecting piece.

[0010] Preferably, a lifting groove is provided on the surface of the lifting column, and the inner surface of the lifting groove is meshed with the surface of the lifting gear.

[0011] Preferably, a sliding groove is provided on the left side of the connecting member, a sliding block is fixedly connected to the right side of the seat cushion, and a surface of the sliding block is slidably connected to an inner surface of the sliding groove.

[0012] Preferably, the control assembly includes a control rod rotatably installed inside the adjustment box, one end of the control rod is fixedly connected to a control gear, the surface of the control gear is meshed with the surface of the rotating gear, the other end of the control rod is fixedly connected to a rotating handle, and the surface of the control rod is fixedly connected to a ratchet gear.

[0013] Preferably, the limit assembly includes a limit rod rotatably installed on the left side of the adjusting box and a limit block installed on the left side of the adjusting box, the top of the limit block is fixedly connected to a limit spring, one end of the limit spring is fixedly connected to the bottom of the limit rod, and one end of the limit rod is clamped with the surface of the ratchet gear.

[0014] Preferably, the auxiliary component comprises an auxiliary rod installed on the left side of the connecting member, and a support pad is installed at one end of the auxiliary rod.

[0015] Preferably, the buffer mechanism includes a support plate installed on the inner side of the trainer body, the top of the support plate is fixedly connected to a buffer spring, the top of the buffer spring is fixedly connected to a bearing plate, the bottom of the bearing plate is rotatably connected to a support rod, and one end of the support rod is provided with a damping assembly.

[0016] Preferably, the damping assembly includes fixed blocks installed on both sides of the top of the support plate, the fixed blocks are slidably connected to a moving block inside, the moving block is rotatably connected to one end of the support rod inside, a damper is fixedly connected to one side of the fixed block, and one end of the damper is fixedly connected to the inner wall of the fixed block.

[0017] Beneficial Effects

[0018] The present invention provides an upper limb strength training device. Compared with the prior art, it has the following beneficial effects:

[0019] (1) The upper limb strength trainer drives the control rod, ratchet gear and control gear to rotate clockwise by rotating the rotating handle. The rotation of the control gear drives the rotating gear, rotating rod and lifting gear to rotate counterclockwise synchronously. The rotation of the lifting gear causes the lifting column, seat cushion and sliding block to slide upward synchronously, so that the sliding block slides on the inner surface of the sliding groove and the lifting column slides inside the adjustment box, so that the user can flexibly adjust the height of the seat cushion according to his or her height. By providing a lifting component and a control component, the seat cushion height can be freely adjusted, so that users of different heights can better use the trainer to train their upper limb strength.

[0020] (2) The upper limb strength trainer can press one end of the limit rod to separate the other end of the limit rod from the surface of the ratchet gear, causing the limit spring to shrink. The seat height can then be lowered by turning the handle counterclockwise. By providing a limit assembly, after the seat height is adjusted, the limit spring elasticity causes one end of the limit rod to always be engaged with the surface of the ratchet gear, thereby limiting the control assembly as a whole and maintaining the stability of the seat after height adjustment.

[0021] (3) The upper limb strength trainer is provided with a buffer mechanism, so that when the weight plate slides down due to gravity and causes an impact on the load-bearing plate and the trainer body, the impact force can be absorbed and buffered, thereby increasing the service life of the upper limb strength trainer. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the external structure of the present invention;

[0023] Figure 2 It is a three-dimensional schematic diagram of the local structure of the present invention;

[0024] Figure 3 For the present invention Figure 2 The enlarged schematic diagram at A in the middle;

[0025] Figure 4 It is a three-dimensional schematic diagram of the lifting assembly of the present invention;

[0026] Figure 5 It is a three-dimensional schematic diagram of the buffer mechanism of the present invention.

[0027] In the figure: 1-trainer body, 2-buffer mechanism, 21-support plate, 22-buffer spring, 23-load plate, 24-support rod, 25-damping assembly, 251-fixed block, 252-moving block, 253-damper, 3-auxiliary mechanism, 31-lifting assembly, 311-connecting piece, 312-adjusting box, 313-lifting column, 314-seat cushion, 315-rotating rod, 316-rotating gear, 317-lifting gear, 32-control assembly, 321-control rod, 322-control gear, 323-rotating handle, 324-ratchet gear, 33-limiting assembly, 331-limiting rod, 332-limiting block, 333-limiting spring, 34-auxiliary assembly, 341-auxiliary rod, 342-support pad, 4-lifting slot, 5-sliding slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-5 , the present invention provides three technical solutions:

[0030] Embodiment 1

[0031] An upper limb strength trainer includes a trainer body 1, in which a plurality of upper limb strength training structures are arranged, a buffer mechanism 2 is arranged below the trainer body 1, and an auxiliary mechanism 3 is arranged on the left side of the trainer body 1, wherein the auxiliary mechanism 3 includes:

[0032] The lifting assembly 31 includes a connecting piece 311 installed on the left side of the training device body 1, the surface of the connecting piece 311 is fixedly connected to an adjustment box 312, the interior of the adjustment box 312 is slidably connected to a lifting column 313, the top of the lifting column 313 is fixedly connected to a cushion 314, the inner wall of the adjustment box 312 is rotatably connected to a rotating rod 315, and the surface of the rotating rod 315 is fixedly connected to a rotating gear 316 and a lifting gear 317:

[0033] A control assembly 32, disposed on the front side of the adjustment box 312;

[0034] The limiting component 33 is arranged at the front side of the regulating box 312;

[0035] The auxiliary component 34 is arranged on the left side of the connecting member 311. The surface of the lifting column 313 is provided with a lifting groove 4. The inner surface of the lifting groove 4 is meshed with the surface of the lifting gear 317. The left side of the connecting member 311 is provided with a sliding groove 5. The sliding block is a convex block. The sliding groove 5 is a convex groove. The right side of the cushion 314 is fixedly connected with a sliding block. The surface of the sliding block is slidably connected with the inner surface of the sliding groove 5. The control component 32 includes a control rod 321 rotatably installed inside the adjustment box 312. One end of the control rod 321 is fixedly connected with a control gear 322. The surface of the control gear 322 is meshed with the surface of the rotating gear 316. The other end of the control rod 321 is fixedly connected with a rotating handle 323. The surface of the control rod 321 is fixedly connected with a ratchet gear 324 , by rotating the rotating handle 323, the control rod 321, the ratchet gear 324 and the control gear 322 rotate clockwise, and the rotation of the control gear 322 drives the rotating gear 316, the rotating rod 315 and the lifting gear 317 to rotate counterclockwise synchronously. The rotation of the lifting gear 317 causes the lifting column 313, the seat cushion 314 and the sliding block to slide upward synchronously, so that the sliding block slides on the inner surface of the sliding groove 5, and the lifting column 313 slides inside the adjustment box 312, so that the user can flexibly adjust the height of the seat cushion 314 according to his or her height. By providing the lifting component 31 and the control component 32, the height of the seat cushion 314 can be freely adjusted, so that users of different heights can better use the trainer to train upper limb strength.

[0036] Embodiment 2

[0037] The limit assembly 33 includes a limit rod 331 rotatably mounted on the left side of the adjustment box 312 and a limit block 332 mounted on the left side of the adjustment box 312. The limit rod 331 is used to limit the counterclockwise rotation of the ratchet gear 324. The top of the limit block 332 is fixedly connected to a limit spring 333. The limit spring 333 is not affected by external forces, so that one end of the limit rod 331 is always engaged with the surface of the ratchet gear 324. One end of the limit spring 333 is fixedly connected to the bottom of the limit rod 331. One end of the limit rod 331 is engaged with the surface of the ratchet gear 324. The auxiliary assembly 34 includes a limit rod 331 mounted on the connecting piece 311. The auxiliary rod 341 on the left side has a support pad 342 installed at one end of the auxiliary rod 341. By pressing one end of the limit rod 331, the other end of the limit rod 331 is separated from the surface of the ratchet gear 324, and the limit spring 333 begins to shrink. Then, the height of the seat cushion 314 can be lowered by turning the handle 323 counterclockwise. By setting the limit assembly 33, after the height of the seat cushion 314 is adjusted, under the influence of the elasticity of the limit spring 333, one end of the limit rod 331 is always engaged with the surface of the ratchet gear 324, thereby limiting the control assembly 32 as a whole and maintaining the stability of the seat cushion 314 after the height is adjusted.

[0038] Embodiment 3

[0039] A upper limb strength trainer, wherein the buffer mechanism 2 includes a support plate 21 installed on the inner side of a trainer body 1, a buffer spring 22 is fixedly connected to the top of the support plate 21, the buffer spring 22 is sleeved on the surface of a connecting rod, a plurality of weight plates are slidably arranged on the surface of the connecting rod, the connecting rod is installed on the inner side of the trainer body 1, a bearing plate 23 slides on the surface of the connecting rod, the bottom end of the connecting rod is fixedly connected to the top of the support plate 21, the top of the buffer spring 22 is fixedly connected to the bearing plate 23, the bottom of the bearing plate 23 is rotatably connected to a support rod 24, a damping assembly 25 is provided at one end of the support rod 24, the damping assembly 25 includes fixed blocks 251 installed on both sides of the top of the support plate 21, the top of the fixed block 251 is provided with a sliding slot for a moving block 252 The sliding groove is provided and limited. The interior of the fixed block 251 is slidably connected to a moving block 252. The interior of the moving block 252 is rotatably connected to one end of the support rod 24. A damper 253 is fixedly connected to one side of the fixed block 251. The damper 253 is a prior art. The damper is a device that utilizes damping characteristics to slow down mechanical vibration and consume kinetic energy. One end of the damper 253 is fixedly connected to the inner wall of the fixed block 251. By providing a buffer mechanism 2, when the weight plate slides down with gravity and causes an impact on the load-bearing plate 23 and the trainer body 1, the impact force can be absorbed and buffered, thereby increasing the service life of the upper limb strength trainer. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0040] The rotation of the control gear 322 drives the rotating gear 316, the rotating rod 315 and the lifting gear 317 to rotate counterclockwise synchronously. The rotation of the lifting gear 317 causes the lifting column 313, the seat cushion 314 and the sliding block to slide upward synchronously, so that the sliding block slides on the inner surface of the sliding groove 5, and the lifting column 313 slides inside the adjustment box 312, so that the user can flexibly adjust the height of the seat cushion 314 according to his / her height, thereby facilitating subsequent upper limb strength training. When the user needs to lower the height of the seat cushion 314, he / she only needs to press one end of the limiting rod 331 so that the other end of the limiting rod 331 is separated from the surface of the ratchet gear 324, and the limiting spring 333 begins to contract. Then, the rotating handle 323 is rotated counterclockwise. When the user is doing upper limb strength training, he / she can freely adjust the weight plate to achieve the best training. The weight plates 23 may slide freely onto the support plate 23 if the weight plates are numerous and heavy, and may damage the support plate 23 or the trainer body 1. However, the weight plates in the trainer body 1 may slide directly onto the surface of the support plate 23 when they slide, and may drive the support plate 23 to slide downward synchronously, thereby causing the buffer spring 22 installed at the bottom of the support plate 23 to begin to contract, causing one end of the support rod 24 to rotate at the bottom of the support plate 23, and the other end of the support rod 24 to rotate inside the moving block 252, so that the moving block 252 slides inside the fixed block 251, causing the fixed blocks 251 on both sides to slide to opposite sides, thereby compressing the damper 253. At this time, the impact force caused by the weight plates is absorbed and buffered by the buffer spring 22 and the damper 253, so as to avoid damage to the support plate 23 and the trainer body 1 and increase the service life of the trainer.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An upper limb strength trainer, comprising a trainer body (1), characterized in that: A buffer mechanism (2) is provided below the training device body (1), and an auxiliary mechanism (3) is provided on the left side of the training device body (1). The auxiliary mechanism (3) includes: The lifting assembly (31) comprises a connecting member (311) installed on the left side of the training device body (1), the surface of the connecting member (311) is fixedly connected to an adjustment box (312), the interior of the adjustment box (312) is slidably connected to a lifting column (313), the top of the lifting column (313) is fixedly connected to a seat cushion (314), the inner wall of the adjustment box (312) is rotatably connected to a rotating rod (315), and the surface of the rotating rod (315) is fixedly connected to a rotating gear (316) and a lifting gear (317); A control assembly (32) is arranged on the front side of the adjustment box (312); A limit assembly (33) is arranged on the front side of the adjustment box (312); The auxiliary component (34) is arranged on the left side of the connecting member (311).

2. An upper limb strength training device according to claim 1, characterized in that: A lifting groove (4) is provided on the surface of the lifting column (313), and the inner surface of the lifting groove (4) is meshed with the surface of the lifting gear (317).

3. An upper limb strength training device according to claim 1, characterized in that: A sliding groove (5) is provided on the left side of the connecting member (311), and a sliding block is fixedly connected to the right side of the seat cushion (314), wherein the surface of the sliding block is slidably connected to the inner surface of the sliding groove (5).

4. An upper limb strength training device according to claim 1, characterized in that: The control assembly (32) includes a control rod (321) rotatably mounted inside the regulating box (312); one end of the control rod (321) is fixedly connected to a control gear (322); the surface of the control gear (322) is meshed with the surface of the rotating gear (316); the other end of the control rod (321) is fixedly connected to a rotating handle (323); and the surface of the control rod (321) is fixedly connected to a ratchet gear (324).

5. An upper limb strength training device according to claim 4, characterized in that: The limiting assembly (33) comprises a limiting rod (331) rotatably mounted on the left side of the regulating box (312) and a limiting block (332) mounted on the left side of the regulating box (312); the top of the limiting block (332) is fixedly connected to a limiting spring (333); one end of the limiting spring (333) is fixedly connected to the bottom of the limiting rod (331); and one end of the limiting rod (331) is engaged with the surface of the ratchet gear (324).

6. An upper limb strength training device according to claim 1, characterized in that: The auxiliary component (34) comprises an auxiliary rod (341) installed on the left side of the connecting member (311), and a support pad (342) is installed at one end of the auxiliary rod (341).

7. An upper limb strength training device according to claim 1, characterized in that: The buffer mechanism (2) comprises a support plate (21) mounted on the inner side of the training device body (1); a buffer spring (22) is fixedly connected to the top of the support plate (21); a bearing plate (23) is fixedly connected to the top of the buffer spring (22); a support rod (24) is rotatably connected to the bottom of the bearing plate (23); a damping assembly (25) is provided at one end of the support rod (24).

8. An upper limb strength training device according to claim 7, characterized in that: The damping assembly (25) comprises fixed blocks (251) mounted on both sides of the top of the support plate (21); a moving block (252) is slidably connected inside the fixed block (251); the inside of the moving block (252) is rotatably connected to one end of the support rod (24); a damper (253) is fixedly connected to one side of the fixed block (251); and one end of the damper (253) is fixedly connected to the inner wall of the fixed block (251).

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