Power-assisted pull-up trainer

Abstract

The utility model provides a power-assisted pull-up training device which comprises a rack, a power-assisted pull-up training device and a power-assisted pull-up training device. The power assisting device comprises a swing arm, a bearing part and a balance weight part, the swing arm comprises a rotary connecting part and is rotationally connected to the rack through the rotary connecting part, the swing arm is provided with the bearing part and the balance weight part, the bearing part and the balance weight part are located on the two sides of the rotary connecting part respectively, and the bearing part is located below the handle structure. According to the power-assisted pull-up training device, the bearing part and the balance weight part are arranged on the swing arm and located on the two sides of the position, rotationally connected with the rack, of the swing arm correspondingly, and the bearing part is located below the handle structure, so that the structure of the power-assisted pull-up training device is simplified; according to the power-assisted pull-up trainer, the assembly workload of the power-assisted pull-up trainer is reduced, the production efficiency of the power-assisted pull-up trainer is improved, and meanwhile the cost of the power-assisted pull-up trainer is reduced.

Description

Technical Field

[0001] The utility model generally relates to the technical field of fitness equipment, and in particular to a power-assisted pull-up training device. Background Art

[0002] Power-assisted pull-up training devices are especially favored by users with weak upper limb strength because they can provide assistance when users do pull-ups, helping users to complete pull-up training more easily. A Chinese patent (application number: 201911094277.4) discloses an assisted pull-up training machine, including a frame, a counterweight mechanism, a swing frame and a foot pedal. The counterweight mechanism and the swing frame are both arranged on the frame, and the foot pedal is arranged on the swing frame. The swing frame is linked to the counterweight mechanism through a pulley structure. When the user does pull-ups, the counterweight mechanism drives the foot pedal to move upward to provide assistance to the user.

[0003] However, the above-mentioned auxiliary pull-up training machine has the problems of complex structure, large assembly workload and high cost. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a power-assisted pull-up trainer.

[0005] The present application provides a power-assisted pull-up training device, comprising:

[0006] A frame, wherein the frame is provided with a handle structure;

[0007] The power-assisting device includes a swing arm, a bearing member and a counterweight member. The swing arm includes a rotating connection portion and is rotatably connected to the frame through the rotating connection portion. The swing arm is provided with a bearing member and a counterweight member. The bearing member and the counterweight member are respectively located on both sides of the rotating connection portion, and the bearing member is located below the handle structure.

[0008] Furthermore, there are two power assist devices, wherein the two swing arms are arranged with an interval therebetween.

[0009] Furthermore, the two power-assisting devices share a bearing component.

[0010] Furthermore, it also includes a first connecting rod, wherein the ends of the two swing arms are rotatably connected to the support member and the rotation axes coincide with each other, and the two ends of the first connecting rod are respectively rotatably connected to the support member and the frame, so that a parallel four-bar linkage is formed between the support member, the swing arm, the first connecting rod and the frame.

[0011] Furthermore, the bearing member includes a plurality of bearing parts, and the plurality of bearing parts have different heights.

[0012] Furthermore, the handle structure includes a plurality of handle assemblies, and the plurality of handle assemblies have different heights.

[0013] Furthermore, the counterweight of the counterweight member is adjustable.

[0014] Further, the counterweight member includes a first mounting rod and a counterweight plate, wherein the counterweight plate is mounted on the first mounting rod and is movably arranged in a direction away from or close to the rotating connection portion.

[0015] Furthermore, the first mounting rod includes two first rod segments and a second rod segment, the axis of the first rod segment is arranged parallel to the rotation axis of the swing arm, the two first rod segments are arranged at an interval, one end of the two first rod segments is connected to the swing arm and the other ends of the two first rod segments are respectively connected to the two ends of the second rod segment, and the counterweight plate is movably mounted on the first mounting rod.

[0016] Furthermore, there are multiple weight plates.

[0017] The power-assisted pull-up trainer provided in the present application, by arranging both the bearing member and the counterweight member on the swing arm, and the bearing member and the counterweight member are respectively located on both sides of the swing arm and the rotation connection position with the frame, and the bearing member is located below the handle structure, thereby avoiding the use of a gantry-type counterweight structure and components such as a pulley assembly used in conjunction with it. This not only simplifies the structure of the power-assisted pull-up trainer, reduces the assembly workload of the power-assisted pull-up trainer, improves the production efficiency of the power-assisted pull-up trainer, but also reduces the cost of the power-assisted pull-up trainer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 A three-dimensional schematic diagram of a power-assisted pull-up training device provided in an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the power-assisted pull-up trainer provided in an embodiment of the present application when the user is in a ready state;

[0021] Figure 3 A schematic diagram of the power-assisted pull-up trainer provided in an embodiment of the present application when the user is in a state of pulling up the body. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0023] An embodiment of the present application provides a power-assisted pull-up trainer for allowing a user to perform pull-up exercises to train the user's upper limbs and other parts.

[0024] Please refer to the attached Figure 1 The power-assisted pull-up trainer provided in the embodiment of the present application includes a frame 100 and a power-assisted device 200. The frame 100 is provided with a handle structure 140, and the handle structure 140 is used for a user to hold. The power-assisted device 200 includes a swing arm 210, a bearing member 230 and a counterweight. The swing arm 210 has a rotating connection portion and is rotatably connected to the frame 100 through the rotating connection portion, and the two ends of the swing arm 210 are located on both sides of the rotating connection portion. The bearing member 230 and the counterweight are both arranged on the swing arm 210, and the bearing member 230 and the counterweight are respectively located on both sides of the rotating connection portion, and the bearing member 230 is located below the handle structure 140.

[0025] In this embodiment, the rotating connection part in the swing arm 210 is set between the two ends of the swing arm 210, and the bearing member 230 and the counterweight member are respectively located on both sides of the rotating connection part, thereby avoiding the use of the gantry-type counterweight structure and the sliding assembly and other components used therewith in the existing pull-up trainer. This not only simplifies the structure of the power-assisted pull-up trainer, reduces the assembly workload of the power-assisted pull-up trainer, improves the production efficiency of the power-assisted pull-up trainer, but also reduces the cost of the power-assisted pull-up trainer.

[0026] The supporting member 230 may be used for supporting the user's feet or legs, but is not limited to supporting the user's feet or legs.

[0027] Attached Figure 2 The diagram shows the use state of the trainer when the user is in the preparatory state for the pull-up exercise. Specifically, the user stands on the support member 230 and holds the handle structure 140 with both hands. The support member 230 rotates under the drive of the user's weight until the user's arms are straightened. At this time, the user is in the preparatory state for the pull-up exercise. Figure 3 The diagram shows the training device in use when the user is pulling up his body. Specifically, the user pulls up his body through arm movements, and the support member 230 moves upward with the user's body driven by the swing arm 210 and provides a certain upward thrust to the user.

[0028] The handle structure 140 may be, but is not limited to, located at the top of the frame 100, which helps to reduce the height of the trainer. The swing arm 210 may be, but is not limited to, a swing bar or a swing plate.

[0029] Preferably, please refer to the attached Figure 1The frame 100 includes a column 110, the column 110 is provided with a second mounting rod 120, the handle structure 140 is arranged on the top of the column 110, and the second mounting rod 120 is provided with a U-shaped connecting frame 130. The swing arm 210 includes a first swing rod 211, a second swing rod 212 and a rotating connecting pipe 213, the rotating connecting pipe 213 constitutes a rotating connecting part of the swing arm 210, the first swing rod 211 and the second swing rod 212 are respectively located on both sides of the rotating connecting pipe 213 and are both fixedly arranged on the pipe wall of the rotating connecting pipe 213, the rotating connecting pipe 213 is rotatably arranged on the connecting frame 130, and the rotating axis of the swing arm 210 is arranged horizontally. The bearing member 230 is arranged on the first swing rod 211 and the counterweight member is arranged on the second swing rod 212.

[0030] In some embodiments of the present application, there are two power assist devices 200, and the two swing arms 210 are spaced apart. The two power assist devices 200 can jointly provide power assist to the user and bear the weight of the user, which can reduce the load of a single power assist device 200 and increase the service life of the trainer.

[0031] The rotation axes of the two swing arms 210 are parallel or overlapped, and the rotation axes of the swing arms 210 are arranged horizontally. The two swing arms 210 are arranged at intervals along the length direction of the frame 100 .

[0032] The two power-assisting devices 200 can move independently of each other, or the two power-assisting devices 200 can be connected to each other so as to cooperate with each other.

[0033] Of course, in other embodiments, the trainer may be provided with only one power-assisting device 200 , and the power-assisting device 200 provides power assistance to the user and bears the weight of the user.

[0034] In some embodiments of the present application, two power-assisting devices 200 share a supporting member 230, which not only enables synchronous linkage between the two power-assisting devices 200, but also reduces the number of supporting members 230 used, thereby reducing the cost of the training device.

[0035] Preferably, please refer to the attached Figure 1 A connecting frame 130 is provided at both ends of the second mounting rod 120, and two swing arms 210 are rotatably connected to the connecting frame 130 respectively. The two swing arms 210 are located on both sides of the column 110 along the length direction. The bearing member 230 is located on one side of the column 110 along the width direction and between the two swing arms 210. A second connecting rod 214 is provided on the side of the first swing rod 211 close to the bearing member 230, and the second connecting rod 214 is connected to the bearing member 230.

[0036] In some embodiments of the present application, the ends of the two swing arms 210 are rotatably connected to the support member 230, and the rotation axes between the two swing arms 210 and the support member 230 coincide. The trainer also includes a first connecting rod 240, and the two ends of the first connecting rod 240 are rotatably connected to the support member 230 and the frame 100, so that a parallel four-bar linkage is formed between the support member 230, the swing arms 210, the first connecting rod 240 and the frame 100. This not only increases the movement stability of the power-assisting device 200, but also can maintain the position and posture of the support member 230 during the movement of the power-assisting device 200 (for example, maintaining it in a horizontal state or a state basically close to a horizontal state), thereby ensuring that the support member 230 provides stable support to the user.

[0037] Preferably, please refer to the attached Figure 1 The bearing member 230 is provided with a first mounting shaft and a second mounting shaft arranged at intervals, a first connecting tube is sleeved on the outer periphery of the first mounting shaft and a first bearing is provided between the first connecting tube and the first mounting shaft, a second connecting tube 233 is sleeved on the outer periphery of the second mounting shaft and a second bearing is provided between the second connecting tube 233 and the second mounting shaft, a third mounting shaft is provided on the column 110, a third connecting tube 150 is sleeved on the outer periphery of the third mounting shaft and a third bearing is provided between the third connecting tube 150 and the third mounting shaft, ends of the two second connecting rods 214 are fixedly connected to the first connecting tube, two ends of the first connecting rod 240 are fixedly connected to the second connecting tube 233 and the third connecting tube 150 respectively, and the axes of the first mounting shaft, the second mounting shaft and the third mounting shaft are all arranged parallel to the rotation axis of the swing arm 210.

[0038] In some embodiments of the present application, the support member 230 includes a plurality of support parts, each of which is used to support a user, and the heights of the plurality of support parts are different, which can meet the usage requirements of users of different heights and improve the versatility of the trainer.

[0039] Preferably, please refer to the attached Figure 1 The bearing member 230 includes a first bearing rod 234, a first bearing plate 231 and two second bearing plates 232 arranged at intervals. The first bearing plate 231 is arranged horizontally or substantially horizontally. The first bearing plate 231 is fixedly connected to the tops of the two second bearing plates 232. The first bearing rod 234, the first rotating shaft and the second rotating shaft are all arranged on the two second bearing plates 232. Both ends of the first bearing rod 234 extend out from the two second bearing plates 232 respectively. The first bearing rod 234 is located below the first bearing plate 231. The first bearing rod 234 and the first bearing plate 231 serve as different bearing parts.

[0040] In some embodiments of the present application, the handle structure 140 includes a plurality of handle assemblies, each of which is used for a user to hold, and the plurality of handle assemblies have different heights, which can meet the usage requirements of users of different heights and improve the versatility of the trainer.

[0041] Preferably, please refer to the attached Figure 1 The handle structure 140 includes a U-shaped mounting frame 141, a first handle 142 assembly and a second handle 143 assembly. The mounting frame 141 is tilted at the top of the column 110, the first handle 142 assembly includes two L-shaped first handles 142, and the second handle 143 assembly includes two L-shaped second handles 143. The two first handles 142 are respectively arranged at both ends of the mounting frame 141, and the two second handles 143 are respectively arranged on the opposite side rod sections of the mounting frame 141.

[0042] In some embodiments of the present application, the weight of the counterweight member is adjustable to adjust the magnitude of the assisting force to meet the user's needs for different magnitudes of assisting force.

[0043] Of course, in other embodiments, the counterweight of the counterweight member may also be fixed, that is, non-adjustable.

[0044] In some embodiments of the present application, the weight piece includes a first mounting rod 221 and a weight plate 222. The weight plate 222 is mounted on the first mounting rod 221 and is movably arranged in a direction away from or close to the rotating connection portion. The training resistance can be adjusted by changing the position of the weight plate 222 on the first mounting rod 221, which not only makes the structure of the weight piece simple, but also makes the weight adjustment operation simple and convenient.

[0045] In some embodiments of the present application, the first mounting rod 221 includes two first rod segments 2211 and a second rod segment 2212, the axis of the first rod segment 2211 is arranged parallel to the rotation axis of the swing arm 210, the two first rod segments 2211 are spaced apart in a direction away from the rotating connection part, one end of the two first rod segments 2211 is connected to the swing arm 210 and the other ends of the two first rod segments 2211 are respectively connected to the two ends of the second rod segment 2212, and the counterweight plate 222 is movably mounted on the first mounting rod 221.

[0046] The first mounting rod 221 may be an integrally formed structure or a split connection structure. Preferably, the first mounting rod 221 is an integrally formed structure to facilitate production and assembly of the first mounting rod 221 .

[0047] The middle part of the weight plate 222 is provided with a sleeve hole, and the weight plate 222 is movably sleeved on the first mounting rod 221 through the sleeve hole, so that it can move on the first rod segment 2211 and the second rod segment 2212. Since the first rod segment 2211 is arranged parallel to the rotation axis of the swing arm 210, the weight plate 222 located on the first rod segment 2211 is stable in position and will not be separated from the first rod segment 2211 during the rotation of the swing arm 210. The number of weight plates 222 can be one or more, preferably multiple. The user can adjust the training resistance by adjusting the number of configuration plates on each first rod segment 2211.

[0048] In order to facilitate the movement of the configuration piece on the first mounting rod 221 , the first rod segment 2211 and the second rod segment 2212 are connected by an arc transition.

[0049] It should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used above to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means more than two.

[0050] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A power-assisted pull-up training device, characterized in that: include: A frame, wherein the frame is provided with a handle structure; The power-assisting device comprises a swing arm, a bearing member and a counterweight member, wherein the swing arm comprises a rotating connection portion and is rotatably connected to the frame through the rotating connection portion, the swing arm is provided with a bearing member and a counterweight member, the bearing member and the counterweight member are respectively located on both sides of the rotating connection portion, and the bearing member is located below the handle structure.

2. The power-assisted pull-up training device according to claim 1, characterized in that: The number of the power-assisting devices is two, and the two swing arms are arranged at an interval.

3. The power-assisted pull-up training device according to claim 2, characterized in that: The two power-assisting devices share the bearing component.

4. The power-assisted pull-up training device according to claim 3, characterized in that: It also includes a first connecting rod, wherein the ends of the two swing arms are rotatably connected to the support member and the rotation axes coincide with each other, and the two ends of the first connecting rod are rotatably connected to the support member and the frame respectively, so that a parallel four-bar linkage mechanism is formed between the support member, the swing arms, the first connecting rod and the frame.

5. The power-assisted pull-up training device according to claim 1, characterized in that: The bearing member includes a plurality of bearing parts, and the plurality of bearing parts have different heights.

6. The power-assisted pull-up training device according to claim 1, characterized in that: The handle structure includes a plurality of handle components, and the plurality of handle components have different heights.

7. The power-assisted pull-up training device according to claim 1, characterized in that: The counterweight of the counterweight member is adjustable.

8. The power-assisted pull-up training device according to claim 7, characterized in that: The counterweight member includes a first mounting rod and a counterweight plate. The counterweight plate is mounted on the first mounting rod and is movably arranged in a direction away from or close to the rotating connection part.

9. The power-assisted pull-up training device according to claim 8, characterized in that: The first mounting rod includes two first rod segments and a second rod segment, the axis of the first rod segment is arranged parallel to the rotation axis of the swing arm, the two first rod segments are arranged at an interval, one end of the two first rod segments is connected to the swing arm and the other ends of the two first rod segments are respectively connected to the two ends of the second rod segment, and the counterweight plate is movably mounted on the first mounting rod.

10. The power-assisted pull-up training device according to claim 8, characterized in that: The number of the weight plates is multiple.

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