CN222218549U

CN222218549U - Power-assisted pull-up trainer

Info

Publication number: CN222218549U
Application number: CN202420628668.XU
Authority: CN
Inventors: 张成烽; 徐刘健
Original assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Current assignee: Nantong Ironmaster Sporting Industrial Co Ltd
Priority date: 2024-03-28
Filing date: 2024-03-28
Publication date: 2024-12-24
Anticipated expiration: 2034-03-28

Abstract

The present application provides a power-assisted pull-up trainer, comprising: a frame, the frame being provided with a handle structure; a power-assisted device, the power-assisted device comprising a swing arm, a bearing member and a counterweight member, the swing arm comprising a rotating connection portion and being rotatably connected to the frame through the rotating connection portion, the swing arm being provided with a bearing member and a counterweight member, the bearing member and the counterweight member being respectively located on both sides of the rotating connection portion, and the bearing member being located below the handle structure. The power-assisted pull-up trainer provided by the present application, by arranging the bearing member and the counterweight member on the swing arm, and the bearing member and the counterweight member being respectively located on both sides of the position of the swing arm being rotatably connected to the frame, and the bearing member being located below the handle structure, 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.

Description

Power-assisted pull-up trainer

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to a power-assisted pull-up trainer.

Background

The power-assisted pull-up trainer can provide power when a user moves in a pull-up mode, so that the user is helped to finish pull-up training more easily, and the power-assisted pull-up trainer is especially favored by users with weak upper limb strength. Chinese patent (application number: 201911094277.4) discloses an auxiliary pull-up training machine, which comprises a frame, a weight balancing mechanism, a swinging frame and a pedal, wherein the weight balancing mechanism and the swinging frame are arranged on the frame, the pedal is arranged on the swinging frame, the swinging frame is linked with the weight balancing mechanism through a pulley structure, and the weight balancing mechanism can drive the pedal to move upwards to form power assistance for a user when the user pulls up.

However, the auxiliary pull-up trainer has the problems of complex structure, large assembly workload and high cost.

Disclosure of utility model

In view of the foregoing deficiencies or inadequacies of the prior art, it is desirable to provide a power assisted pull-up trainer.

The application provides a booster pull-up trainer, comprising:

The rack is provided with a handle structure;

the power assisting device comprises a swing arm, a bearing piece and a counterweight piece, wherein the swing arm is connected to the frame through the rotation connecting portion in a rotation mode, the bearing piece and the counterweight piece are respectively arranged on two sides of the rotation connecting portion, and the bearing piece is arranged below the handle structure.

Further, the number of the power assisting devices is two, and two swing arms are arranged at intervals.

Further, the two power assist devices share the carrier.

Further, the device also comprises a first connecting rod, wherein the end parts of the two swing arms are rotationally connected with the bearing piece and the rotation axes are coincident, and the two ends of the first connecting rod are rotationally connected with the bearing piece and the frame respectively, so that a parallel four-bar mechanism is formed among the bearing piece, the swing arms, the first connecting rod and the frame.

Further, the carrier includes a plurality of carrying portions, and the heights of the plurality of carrying portions are different.

Further, the handle structure includes a plurality of handle assemblies, and the plurality of handle assemblies are different in height.

Further, the weight of the weight member is adjustable.

Further, the weight includes a first mounting rod and a weight plate mounted to the first mounting rod and movably disposed in a direction away from or near the rotational connection.

Further, the first installation pole includes two first pole sections and second pole section, and the axis of first pole section and the axis of rotation parallel arrangement of swing arm set up between two first pole sections, and the one end of two first pole sections is connected in the swing arm and the other end of two first pole sections is connected with the both ends of second pole section respectively, and the counter weight piece movable sleeve is located first installation pole.

Further, the number of weight plates is plural.

According to the power-assisted pull-up trainer, the bearing piece and the weight piece are arranged on the swing arm, and the bearing piece and the weight piece are respectively positioned on the two sides of the swing arm and are in rotary connection with the frame, and the bearing piece is positioned below the handle structure, so that the use of parts such as the portal frame type weight structure and the pulley component matched with the portal frame type weight structure is avoided, the structure of the power-assisted pull-up trainer is simplified, 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 the cost of the power-assisted pull-up trainer is reduced.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a power assisted pull-up trainer according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a power-assisted pull-up trainer provided by an embodiment of the present application when a user is in a ready state;

Fig. 3 is a schematic diagram of the booster pull-up trainer according to the embodiment of the application when a user is in a pulled-up physical state.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

The embodiment of the application provides a power-assisted pull-up trainer, which is used for a user to carry out pull-up movement so as to train the upper limbs and other parts of the user.

Referring to fig. 1, the booster pull-up trainer provided by the embodiment of the application comprises a frame 100 and a booster 200, wherein the frame 100 is provided with a handle structure 140, and the handle structure 140 is used for being held by a user. The booster 200 includes a swing arm 210, a carrier 230, and a counterweight. The swing arm 210 has a rotation connection portion and is rotatably connected to the frame 100 through the rotation connection portion, and two ends of the swing arm 210 are located at two sides of the rotation connection portion. The bearing member 230 and the weight member are disposed on the swing arm 210, the bearing member 230 and the weight member are respectively located at two sides of the rotation connection portion, and the bearing member 230 is located below the handle structure 140.

In this embodiment, the rotating connection portion in the swing arm 210 is disposed between two ends of the swing arm 210, and the bearing member 230 and the counterweight are respectively located at two sides of the rotating connection portion, so that components such as a gantry type counterweight structure in the existing pull-up trainer and a sliding component matched with the portal type counterweight structure in the existing pull-up trainer are avoided, the structure of the power-assisted pull-up trainer is simplified, 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 the cost of the power-assisted pull-up trainer is reduced.

Wherein the carrier 230 may be, but is not limited to, for carrying a user's foot or a user's leg.

Fig. 2 shows a view of the training apparatus in use when the user is in a ready state for pull-up movement, specifically, the user stands on the carrier 230 and holds the handle structure 140 with both hands, and the carrier 230 rotates under the driving of the weight of the user until the arms of the user straighten, at which time the user is in a ready state for pull-up movement. Fig. 3 shows a state of use of the trainer when the user is pulling up the body, specifically, the user pulls up the body through an arm action, and the carrier 230 moves upward with the body of the user and provides a certain upward pushing force to the user under the driving of the swing arm 210.

Wherein the handle structure 140 may be, but is not limited to being, located at the top of the frame 100, helping to reduce the height of the trainer. Swing arm 210 may be, but is not limited to, a swing arm or a swing plate, etc.

Preferably, referring to fig. 1, the stand 100 includes a stand 110, the stand 110 is provided with a second mounting bar 120, a handle structure 140 is disposed on top of the stand 110, and the second mounting bar 120 is provided with a U-shaped connecting frame 130. Swing arm 210 includes first pendulum rod 211, second pendulum rod 212 and rotates connecting pipe 213, rotates the rotation connecting pipe 213 and constitutes the rotation connecting portion of swing arm 210, and first pendulum rod 211 and second pendulum rod 212 are located the both sides of rotating connecting pipe 213 respectively and all fixedly set up in the pipe wall of rotating connecting pipe 213, rotate connecting pipe 213 rotation and set up in link 130, and the axis of rotation level setting of swing arm 210. The bearing member 230 is disposed on the first swing link 211 and the weight member is disposed on the second swing link 212.

In some embodiments of the present application, the number of the power assisting devices 200 is two, and two swing arms 210 are spaced apart. The two power assisting devices 200 can jointly provide power assistance for a user and bear the weight of the user, so that the load of the single power assisting device 200 can be reduced, and the service life of the trainer is prolonged.

The rotation axes of the two swing arms 210 are parallel or coincident, and the rotation axes of the swing arms 210 are horizontally arranged. The two swing arms 210 are spaced apart along the length of the frame 100.

The two power assisting devices 200 can move independently, or the two power assisting devices 200 are connected to each other so as to be in linkage fit with each other.

Of course, in other embodiments, the trainer may be configured with only one booster 200, and provide assistance to the user and bear the weight of the user via one booster 200.

In some embodiments of the present application, the two power assisting devices 200 share the carrier 230, so that not only a synchronous linkage fit is formed between the two power assisting devices 200, but also the number of the carriers 230 is reduced, and the cost of the trainer is reduced.

Preferably, referring to fig. 1, two ends of the second mounting rod 120 are respectively provided with a connecting frame 130, two swing arms 210 are respectively rotatably connected to the connecting frame 130, the two swing arms 210 are located at two sides of the upright 110 along the length direction, the bearing member 230 is located at one side of the upright 110 along the width direction and between the two swing arms 210, a second connecting rod 214 is disposed at one side of the first swing rod 211, which is close to the bearing member 230, and the second connecting rod 214 is connected to the bearing member 230.

In some embodiments of the present application, the ends of the two swing arms 210 are rotatably connected to the carrier 230, and the rotation axes between the two swing arms 210 and the carrier 230 coincide, and the trainer further includes a first connecting rod 240, where two ends of the first connecting rod 240 are rotatably connected to the carrier 230 and the frame 100, respectively, so that a parallel four-bar mechanism is formed among the carrier 230, the swing arms 210, the first connecting rod 240 and the frame 100, which not only increases the movement stability of the booster 200, but also can maintain the position posture (such as maintaining in a horizontal state or substantially near the horizontal state) of the carrier 230 in the movement of the booster 200, thereby ensuring the firm support of the carrier 230 to the user.

Preferably, referring to fig. 1, the bearing member 230 is provided with a first mounting shaft and a second mounting shaft which are arranged at intervals, a first connecting tube is sleeved on the periphery of the first mounting shaft, a first bearing is arranged between the first connecting tube and the first mounting shaft, a second connecting tube 233 is sleeved on the periphery of the second mounting shaft, a second bearing is arranged between the second connecting tube 233 and the second mounting shaft, a third mounting shaft is arranged on the stand column 110, a third connecting tube 150 is sleeved on the periphery of the third mounting shaft, a third bearing is arranged between the third connecting tube 150 and the third mounting shaft, the end parts of the two second connecting rods 214 are fixedly connected to the first connecting tubes, two ends of the first connecting rod 240 are fixedly connected with 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 parallel to the rotation axis of the swing arm 210.

In some embodiments of the present application, the carrying member 230 includes a plurality of carrying portions, each carrying portion is used for carrying a user, and the heights of the plurality of carrying portions are different, so that the use requirements of users with different heights can be met, and the versatility of the trainer is improved.

Preferably, referring to fig. 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 horizontally arranged or substantially horizontally arranged, the first bearing plate 231 is fixedly connected to the top 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, and two ends of the first bearing rod 234 respectively extend from the two second bearing plates 232, and the first bearing rod 234 is located below the first bearing plate 231. Wherein the first loading bar 234 and the first loading plate 231 respectively serve as different loading parts.

In some embodiments of the present application, the handle structure 140 includes a plurality of handle assemblies, each handle assembly is used for being held by a user, and the plurality of handle assemblies have different heights, so that the use requirements of users with different heights can be met, and the versatility of the trainer is improved.

Preferably, referring to fig. 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 obliquely disposed at the top of the upright 110, the first handle 142 assembly includes two L-shaped first handles 142, the second handle 143 assembly includes two L-shaped second handles 143, the two first handles 142 are respectively disposed at two ends of the mounting frame 141, and the two second handles 143 are respectively disposed at two opposite side rod sections of the mounting frame 141.

In some embodiments of the application, the weight of the weight member is adjustable to adjust the magnitude of the assist force to meet the user's need for different magnitudes of assist force.

Of course, in other embodiments, the weights of the weights may also be fixedly provided, i.e. not adjustable.

In some embodiments of the present application, the weight includes a first mounting bar 221 and a weight plate 222, the weight plate 222 being mounted to the first mounting bar 221 and being movably disposed in a direction away from or toward the rotational connection. The training resistance can be adjusted by changing the position of the weight piece 222 on the first mounting rod 221, so that the weight piece is simple in structure, and the weight adjusting operation is simple and convenient.

In some embodiments of the present application, the first mounting rod 221 includes two first rod segments 2211 and a second rod segment 2212, where the axis of the first rod segment 2211 is parallel to the rotation axis of the swing arm 210, the two first rod segments 2211 are spaced apart from each other along a direction away from the rotation connection portion, one end of the two first rod segments 2211 is connected to the swing arm 210, and the other end of the two first rod segments 2211 is connected to two ends of the second rod segment 2212, and the weight piece 222 is movably sleeved on the first mounting rod 221.

The first mounting bar 221 may be an integrally formed structure or a separate connection structure. Preferably, the first mounting bar 221 is an integrally formed structure to facilitate production and assembly of the first mounting bar 221.

Wherein, the middle part of the weight plate 222 is provided with a sleeved hole, and the first mounting rod 221 is movably sleeved through the sleeved hole, so that the weight plate can move on the first rod segment 2211 and the second rod segment 2212. Because the first rod segment 2211 is disposed 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 cannot be separated from the first rod segment 2211 during the rotation of the swing arm 210. The number of weight plates 222 may be one or more, preferably a plurality. The user may adjust the training resistance by adjusting the number of configuration tabs on each first segment 2211.

Wherein, to facilitate movement of the deployment tab on the first mounting bar 221, a circular arc transition is provided between the first bar segment 2211 and the second bar segment 2212.

It is to be understood that the above references to the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are for convenience in describing the present utility model and simplifying the description only, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. A booster pull-up trainer comprising:

the rack is provided with a handle structure;

The power assisting device comprises a swing arm, a bearing part and a counterweight part, wherein the swing arm comprises a rotation connecting part and is rotationally connected to the frame through the rotation connecting part, the swing arm is provided with the bearing part and the counterweight part, the bearing part and the counterweight part are respectively positioned on two sides of the rotation connecting part, and the bearing part is positioned below the handle structure.

2. The power assisted pull-up trainer according to claim 1, wherein the number of power assisted devices is two, wherein two swing arms are arranged at intervals.

3. The booster pull-up trainer of claim 2, wherein two of said booster devices share said carrier.

4. A pull-up assist trainer as claimed in claim 3, further comprising a first connecting rod, wherein the ends of the two swing arms are both rotatably connected to the carrier and the axes of rotation coincide, and the ends of the first connecting rod are rotatably connected to the carrier and the frame, respectively, such that a parallel four-bar linkage is formed between the carrier, the swing arms, the first connecting rod and the frame.

5. The power assisted pull-up trainer of claim 1, wherein the carrier comprises a plurality of carriers, the plurality of carriers being different in height.

6. The power assisted pull-up trainer of claim 1, wherein the handle structure comprises a plurality of handle assemblies and the plurality of handle assemblies are different in height.

7. The power assisted pull-up trainer of claim 1, wherein the weight of the weight is adjustable.

8. The power assisted pull-up trainer of claim 7, wherein the weight includes a first mounting bar and a weight plate mounted to the first mounting bar and movably disposed in a direction away from or toward the rotational connection.

9. The pull-up assist trainer according to claim 8, wherein the first mounting bar comprises two first bar segments and a second bar segment, the axes of the first bar segments are parallel to the rotation axis of the swing arm, the two first bar segments are arranged at intervals, one end of the two first bar segments is connected to the swing arm, the other end of the two first bar segments is connected to two ends of the second bar segment, and the weight plate is movably sleeved on the first mounting bar.

10. The power assisted pull-up trainer of claim 8, wherein the number of weight plates is a plurality.