Hanging piece type counterweight module

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By designing the hanging plate counterweight module, the problem of non-versatility of the counterweight structure of traditional fitness equipment is solved, the universal counterweight of fitness equipment is realized, the design process is simplified, the manufacturing cost is reduced, and the product flexibility and maintenance convenience are improved.

CN119701276APending Publication Date: 2025-03-28INPEK HEALTH TECHNOLOGY (WUHU) CO LTD +1

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Patent Information

Application Number: CN202510208918.3
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-02-25
Publication Date: 2025-03-28

AI Technical Summary

Technical Problem

The counterweight structure design of traditional hanging counterweight fitness equipment is non-versatile, resulting in increased design difficulty, extended R&D cycle, complex structure, wide variety of parts, high manufacturing costs, difficult product upgrades, lack of flexibility, complex maintenance and increased after-sales costs.

Method used

A hanging plate counterweight module is designed, which includes a bracket group, load bearing frame, counterweight arm and connecting rod mechanism. It can be adapted to the driving components of different fitness equipment through a detachable connection method to realize dynamic adjustment of counterweight arm and the provision of training resistance.

Benefits of technology

This module realizes the universal counterweight of fitness equipment, simplifies the design process, shortens the R&D cycle, reduces manufacturing costs, improves production efficiency, facilitates product upgrades, simplifies maintenance, and reduces after-sales costs.

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Abstract

The invention provides a hanging piece type balance weight module, and relates to the technical field of fitness equipment, the hanging piece type balance weight module comprises a support group, a bearing frame, a balance weight arm and a connecting rod mechanism, the bearing frame is connected to the support group, the balance weight arm is rotatably connected to the bearing frame, the balance weight arm is used for installing a balance weight, and the connecting rod mechanism is connected between the balance weight arm and the bearing frame; a first connecting point and a second connecting point are arranged on the connecting rod mechanism; the counterweight structure of the hanging piece counterweight fitness equipment is decoupled and independent, a universal and standardized counterweight module is formed, the counterweight block is installed through the counterweight arm, and the first connecting point or the second connecting point on the connecting rod mechanism is matched with the knuckle bearing to connect different fitness equipment, so that the universal purpose can be achieved; no matter how the motion trail of the fitness equipment changes and how the functional areas are different, the module can be matched and conveniently used for weight balancing, and training resistance is provided.

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Description

Technical Field

[0001] The invention relates to the technical field of fitness equipment, and in particular to a hanging plate type weight module. Background Art

[0002] In the field of strength fitness, plate-mounted weight-bearing fitness equipment is widely used due to its advantages such as simple structure, strong load-bearing capacity, and adjustable training intensity. However, the traditional plate-mounted weight-bearing fitness equipment currently on the market has significant limitations in the weight structure design, especially the non-universality of the weight plate position and a series of drawbacks caused by it.

[0003] The positions of the weight plates of traditional weight-loading fitness equipment are often non-fixed, and are highly dependent on the specific movement trajectory of the equipment for customized design, such as the Bench Press Rack. In the Bench Press Rack, there are usually hanging plate sleeves at both ends of the barbell bar, and the weight plates are directly loaded on the sleeves. The positions of the hanging plates are relatively fixed on the horizontal axis of the barbell bar, and the direction of the weight force is always vertically downward; such as the Lat Pulldown Machine. The Lat Pulldown Machine uses a pulley and cable system to convert the vertical movement of the weight block into the pull-down movement of the training handle. The hanging plate position is usually located on the weight bar on the back or side of the equipment. The gravity direction of the weight plate is still vertically downward, but through the clever combination of pulleys and cables, the vertical downward gravity is converted into a pull-down resistance acting on the training handle.

[0004] The above examples fully illustrate that the weight structure design of traditional hanging plate counterweight fitness equipment is highly customized and non-universal. Although this design concept can meet the functional requirements of specific equipment to a certain extent, it also brings many disadvantages that are difficult to ignore: increased design difficulty, extended research and development cycle, complex structural design, a wide variety of parts, which is not conducive to large-scale production, high manufacturing costs, difficulty in product upgrading, lack of flexibility, complex maintenance, and increased after-sales costs. Therefore, the present invention proposes a hanging plate counterweight module to solve the problems existing in the prior art. Summary of the invention

[0005] In view of the above problems, the present invention proposes a hanging plate type weight module, which can be adapted to the fitness equipment regardless of how the movement trajectory changes or how the functional areas are different. The module can be conveniently used for weight distribution to provide training resistance.

[0006] To achieve the purpose of the present invention, the present invention is implemented by the following technical scheme: a hanging plate counterweight module, comprising: Bracket group; A load-bearing frame connected to the bracket group; A counterweight arm is rotatably connected to the load-bearing frame and is used to install a counterweight block; A connecting rod mechanism is connected between the counterweight arm and the load-bearing frame, and the connecting rod mechanism is provided with at least two connection points, and the connection points are configured to adapt to driving components of different fitness equipment through a detachable connection mode, so as to drive the counterweight arm to rotate around the load-bearing frame and provide training resistance; The connection point includes a first connection point and a second connection point, and the first connection point and the second connection point are both used to connect the fitness equipment to drive the counterweight arm to move.

[0007] A further improvement is that the connecting rod mechanism includes a linkage tube and a linkage rod, the linkage tube is hinged at the middle end inside the counterweight arm, the linkage rod is hinged at the upper end inside the load-bearing frame, and the front ends of the linkage tube and the linkage rod are hinged.

[0008] A further improvement is that a first connector is provided at the middle end of the inner side of the counterweight arm, a first shaft sleeve is provided above the linkage tube, and the first shaft sleeve is hinged to the first connector via a joint bearing.

[0009] A further improvement is that a second connecting head is provided on the upper inner side of the load-bearing frame, a second shaft sleeve is provided at the rear end of the linkage rod, and the second shaft sleeve is hinged to the second connecting head through a joint bearing.

[0010] A further improvement is that a linkage U-shaped plate is provided at the front end of the linkage rod, a joint shaft is provided at the lower end of the linkage tube, and the joint shaft is hinged to the linkage U-shaped plate.

[0011] Further improvement lies in: when using the first connection point, in conjunction with the first connecting member, the first connecting member includes a side tube, a fan-shaped rib and a connecting shaft, the side tube is connected below the second sleeve, the fan-shaped rib is connected between the side tube and the linkage rod, the lower end of the side tube is provided with a connecting shaft, and the connecting shaft is used to connect the pull rod of the fitness equipment.

[0012] A further improvement is that when the second connection point is used, a second connection member is used, the second connection member is a connection rod, the connection rod is arranged on one side of the linkage U-shaped plate, and the connection rod is used to connect the pull rod of the fitness equipment.

[0013] A further improvement is that a mounting seat is provided above the load-bearing frame, a swivel block is rotatably provided on the inner side of the mounting seat, the counterweight arm is connected to the swivel block, a counterweight mounting rod is provided on the outer side of the counterweight arm, and the counterweight mounting rod is used to install the counterweight.

[0014] A further improvement is that a support seat is provided at the front end of the top of the load-bearing frame, and a buffer block for carrying the counterweight arm is provided above the support seat.

[0015] A further improvement is that the bracket group is composed of a plurality of groups of transverse brackets, and the bracket group is used to install fitness equipment.

[0016] The beneficial effects of the present invention are: 1. The present invention decouples and separates the weight structure of the hanging weight fitness equipment to form a universal and standardized weight module. The weight block is installed through the weight arm, and different fitness equipment are connected through the first connection point or the second connection point on the connecting rod mechanism in conjunction with the joint bearing, so as to achieve the universal purpose. No matter how the movement trajectory of the fitness equipment changes or how the functional areas are different, it can be adapted and conveniently used for weight distribution to provide training resistance.

[0017] 2. The application of the present invention greatly simplifies the design process, shortens the R&D cycle, standardizes the structural design, improves the versatility of parts, reduces manufacturing costs, improves production efficiency, facilitates product upgrades, improves product flexibility, simplifies maintenance, and reduces after-sales costs.

[0018] Figure 1 It is a front view of the present invention; Figure 2 It is a side view schematic diagram of the present invention; Figure 3 It is a schematic diagram of the chest press equipment of the present invention; Figure 4 It is a schematic diagram of the tension equipment of the present invention; Figure 5 It is a schematic diagram of the unilateral structure of the present invention.

[0019] Among them: 1. bracket group; 2. load-bearing frame; 3. counterweight arm; 4. linkage tube; 5. linkage rod; 6. side tube; 7. fan-shaped rib plate; 8. connecting shaft; 9. connecting rod; 10. mounting seat; 11. bracket; 12. buffer block; 13. counterweight mounting rod; 14. first connecting head; 15. first shaft sleeve; 16. second connecting head; 17. second shaft sleeve; 18. linkage U-shaped plate; 19. joint shaft; 20. chest press equipment; 21. first pull rod; 22. pulling equipment; 23. second pull rod. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Embodiment 1

[0021] according to Figure 1 , 2As shown in , 3 and 5, this embodiment proposes a hanging plate counterweight module, including a bracket group 1, a load-bearing frame 2, a counterweight arm 3 and a connecting rod mechanism, the load-bearing frame 2 is connected to the bracket group 1, the counterweight arm 3 is rotatably connected to the load-bearing frame 2, and the counterweight arm 3 is used to install a counterweight block, and the connecting rod mechanism is connected between the counterweight arm 3 and the load-bearing frame 2; The connecting rod mechanism is provided with at least two connection points, which are configured to adapt to driving components of different fitness equipment through a detachable connection method to drive the counterweight arm 3 to rotate around the load-bearing frame 2 and provide training resistance; The connecting rod mechanism is provided with a first connection point and a second connection point, and the first connection point and the second connection point are both used to connect with fitness equipment to push the counterweight arm 3 to move.

[0022] The connecting rod mechanism includes a linkage tube 4 and a linkage rod 5. The linkage tube 4 is hinged at the middle end of the inner side of the counterweight arm 3, and the linkage rod 5 is hinged at the upper end of the inner side of the load-bearing frame 2. The front ends of the linkage tube 4 and the linkage rod 5 are hinged. A first connector 14 is provided at the middle end of the inner side of the counterweight arm 3, and a first sleeve 15 is provided above the linkage tube 4. The first sleeve 15 is hinged to the first connector 14 through a joint bearing. A second connector 16 is provided above the inner side of the load-bearing frame 2, and a second sleeve 17 is provided at the rear end of the linkage rod 5. The second sleeve 17 is hinged to the second connector 16 through a joint bearing. A linkage U-shaped plate 18 is provided at the front end of the linkage rod 5, and a joint shaft 19 is provided at the lower end of the linkage tube 4. The joint shaft 19 is hinged to the linkage U-shaped plate 18. The present invention innovatively introduces a connecting rod mechanism composed of multiple rods inside the universal counterweight module. The connecting rod mechanism is not a simple fixed connection, but a plurality of rods are connected into a movable mechanism through a hinge or joint bearing and other movable connection methods. Dynamic adjustment of the counterweight arm in three directions: By ingeniously designing the geometric configuration, rod length, connection position and other parameters of the connecting rod mechanism, when the universal counterweight module is applied to fitness equipment with different motion trajectories, the connecting rod mechanism can achieve that no matter how the external force direction changes, the rotation direction of the counterweight arm and the resistance curve of the counterweight remain unchanged. Optimization of force transmission path: The design of the connecting rod mechanism can optimize the transmission path of the counterweight force from the hanging plate to the functional area of the equipment, ensuring that the counterweight force can effectively and accurately act in the direction of the resistance that the trainee needs to overcome, thereby ensuring the training effect. Application of joint bearings: In order to ensure that the connecting rod mechanism moves smoothly, fluently and with low friction when dynamically adjusting the direction of the counterweight arm, the present invention innovatively uses joint bearings at each movable connection point of the connecting rod mechanism. Reduce friction and improve movement efficiency: The joint bearing has the characteristics of extremely low friction coefficient, which can minimize the friction resistance during the movement of the connecting rod mechanism, making the transmission of the counterweight force more efficient, reducing energy loss and improving movement efficiency. Improve the life of the mechanism and ensure operational reliability: The joint bearing also has the advantages of high strength, wear resistance and impact resistance, which can effectively improve the service life and operational reliability of the connecting rod mechanism, reduce the failure rate and reduce maintenance costs. The realization principle of the universal counterweight module matching different functional areas: Perception of the external force direction: The universal counterweight module is connected to the connection structure (connecting rod mechanism + joint bearing) of the functional area of the fitness equipment, and can sense the force direction from the functional area. Adaptive adjustment of the connecting rod mechanism: When the force direction changes, the connecting rod mechanism will automatically change its configuration under the action of external force, thereby adjusting the direction of the counterweight arm 3 inside the module so that it always keeps consistent with the external force direction or the best matching angle.Precise application of weight-bearing force: Through the coordinated work of the connecting rod mechanism and the joint bearing, the universal weight module can accurately and effectively apply the gravity of the weight plate to the functional area of the fitness equipment, providing stable and controllable training resistance regardless of how the motion trajectory and force direction of the functional area change.

[0023] When the first connection point is adopted, the first connection member is matched, and the first connection member includes a side tube 6, a fan-shaped rib plate 7 and a connecting shaft 8. The side tube 6 is connected below the second sleeve 17, and the fan-shaped rib plate 7 is connected between the side tube 6 and the linkage rod 5. The lower end of the side tube 6 is provided with a connecting shaft 8, and the connecting shaft 8 is used to connect the pull rod of the fitness equipment. The chest press equipment 20 is installed on the bracket group 1. The connecting end of the chest press equipment 20 is the first pull rod 21. The first pull rod 21 is hinged with the connecting shaft 8 through the joint shaft head. When the chest press equipment 20 is used, the push arm is pushed, and the first pull rod 21 pulls the side tube 6 to rotate the second sleeve 17 and the linkage rod 5, and drives the linkage tube 4 to lift the counterweight arm 3 for training.

[0024] A mounting seat 10 is provided above the load-bearing frame 2, a rotating block is rotatably provided inside the mounting seat 10, the counterweight arm 3 is connected to the rotating block, a counterweight mounting rod 13 is provided outside the counterweight arm 3, and the counterweight mounting rod 13 is used to install the counterweight. A bracket 11 is provided at the front end of the top of the load-bearing frame 2, and a buffer block 12 carrying the counterweight arm 3 is provided above the bracket 11, which is used to support the counterweight arm 3 to achieve a buffering effect. The bracket group 1 is composed of multiple groups of transverse brackets, and the bracket group 1 is used to install fitness equipment. Embodiment 2

[0025] according to Figure 1 , 2 As shown in , 4 and 5, this embodiment proposes a hanging plate counterweight module, including a bracket group 1, a load-bearing frame 2, a counterweight arm 3 and a connecting rod mechanism, the load-bearing frame 2 is connected to the bracket group 1, the counterweight arm 3 is rotatably connected to the load-bearing frame 2, and the counterweight arm 3 is used to install the counterweight block, and the connecting rod mechanism is connected between the counterweight arm 3 and the load-bearing frame 2; The connecting rod mechanism is provided with a first connection point and a second connection point, and the first connection point and the second connection point are both used to connect with fitness equipment to push the counterweight arm 3 to move.

[0026] The connecting rod mechanism includes a linkage tube 4 and a linkage rod 5. The linkage tube 4 is hinged at the middle end of the inner side of the counterweight arm 3, and the linkage rod 5 is hinged at the upper end of the inner side of the load-bearing frame 2. The front ends of the linkage tube 4 and the linkage rod 5 are hinged. A first connector 14 is provided at the middle end of the inner side of the counterweight arm 3, and a first sleeve 15 is provided above the linkage tube 4. The first sleeve 15 is hinged to the first connector 14 through a joint bearing. A second connector 16 is provided above the inner side of the load-bearing frame 2, and a second sleeve 17 is provided at the rear end of the linkage rod 5. The second sleeve 17 is hinged to the second connector 16 through a joint bearing. A linkage U-shaped plate 18 is provided at the front end of the linkage rod 5, and a joint shaft 19 is provided at the lower end of the linkage tube 4. The joint shaft 19 is hinged to the linkage U-shaped plate 18. The present invention innovatively introduces a connecting rod mechanism composed of multiple rods inside the universal counterweight module. The connecting rod mechanism is not a simple fixed connection, but a plurality of rods are connected into a movable mechanism through a hinge or joint bearing and other movable connection methods. Dynamic adjustment of the counterweight arm in three directions: By ingeniously designing the geometric configuration, rod length, connection position and other parameters of the connecting rod mechanism, when the universal counterweight module is applied to fitness equipment with different motion trajectories, the connecting rod mechanism can achieve that no matter how the external force direction changes, the rotation direction of the counterweight arm and the resistance curve of the counterweight remain unchanged. Optimization of force transmission path: The design of the connecting rod mechanism can optimize the transmission path of the counterweight force from the hanging plate to the functional area of the equipment, ensuring that the counterweight force can effectively and accurately act in the direction of the resistance that the trainee needs to overcome, thereby ensuring the training effect. Application of joint bearings: In order to ensure that the connecting rod mechanism moves smoothly, fluently and with low friction when dynamically adjusting the direction of the counterweight arm, the present invention innovatively uses joint bearings at each movable connection point of the connecting rod mechanism. Reduce friction and improve movement efficiency: The joint bearing has the characteristics of extremely low friction coefficient, which can minimize the friction resistance during the movement of the connecting rod mechanism, making the transmission of the counterweight force more efficient, reducing energy loss and improving movement efficiency. Improve the life of the mechanism and ensure operational reliability: The joint bearing also has the advantages of high strength, wear resistance and impact resistance, which can effectively improve the service life and operational reliability of the connecting rod mechanism, reduce the failure rate and reduce maintenance costs. The realization principle of the universal counterweight module matching different functional areas: Perception of the external force direction: The universal counterweight module is connected to the connection structure (connecting rod mechanism + joint bearing) of the functional area of the fitness equipment, and can sense the force direction from the functional area. Adaptive adjustment of the connecting rod mechanism: When the force direction changes, the connecting rod mechanism will automatically change its configuration under the action of external force, thereby adjusting the direction of the counterweight arm 3 inside the module so that it always keeps consistent with the external force direction or the best matching angle.Precise application of weight-bearing force: Through the coordinated work of the connecting rod mechanism and the joint bearing, the universal weight module can accurately and effectively apply the gravity of the weight plate to the functional area of the fitness equipment, providing stable and controllable training resistance regardless of how the motion trajectory and force direction of the functional area change.

[0027] When the second connection point is used, the second connection member is matched, and the second connection member is a connecting rod 9, which is arranged on one side of the linkage U-shaped plate 18, and the connecting rod 9 is used to connect the pull rod of the fitness equipment. The bracket group 1 is connected to the tension equipment 22, and the connection end of the tension equipment 22 is the second pull rod 23, and the second pull rod 23 is hinged to the connecting rod 9 through the joint shaft head. When using the chest press equipment 20, pull the pull arm, and the second pull rod 23 pulls the connecting rod 9, so that the linkage rod 5 rotates, driving the linkage tube 4 to lift the counterweight arm 3 for training.

[0028] A mounting seat 10 is provided above the load-bearing frame 2, a rotating block is rotatably provided inside the mounting seat 10, the counterweight arm 3 is connected to the rotating block, a counterweight mounting rod 13 is provided outside the counterweight arm 3, and the counterweight mounting rod 13 is used to install the counterweight. A bracket 11 is provided at the front end of the top of the load-bearing frame 2, and a buffer block 12 carrying the counterweight arm 3 is provided above the bracket 11, which is used to support the counterweight arm 3 to achieve a buffering effect. The bracket group 1 is composed of multiple groups of transverse brackets, and the bracket group 1 is used to install fitness equipment.

[0029] The universal weight module of the present invention can be widely used in various plate-mounted weight fitness equipment with different functional areas, such as: Chest press training equipment: Whether it is a flat bench press, an incline bench press or a decline bench press, the universal weight module can adaptively adjust the direction of the weight arm according to the direction of the press trajectory to provide the best training resistance.

[0030] Rowing training equipment: Whether it is a seated rowing, standing rowing or T-bar rowing equipment, the universal weight module can adaptively adjust the direction of the weight arm according to the direction of the rowing trajectory, providing training resistance that conforms to the human body's force curve.

[0031] Squat training equipment: such as hack squat, barbell squat rack and other equipment. The universal weight module can adaptively adjust the direction of the weight arm according to the direction of the squat trajectory to provide stable squatting and standing resistance.

[0032] Shoulder training equipment: such as shoulder press, lateral raise, and front raise equipment. The universal weight module can adaptively adjust the direction of the weight arm according to the direction of the shoulder movement trajectory, providing multi-angle and all-round shoulder training resistance.

[0033] Leg training equipment: such as leg press, leg extension, and leg curl equipment. The universal weight module can adaptively adjust the direction of the weight arm according to the direction of the leg movement trajectory to provide training resistance for different leg muscle groups.

[0034] Greatly simplify the design process and shorten the R&D cycle: After adopting the universal weight module, designers no longer need to spend a lot of energy on customized design of the weight structure when developing new plate-mounted weight fitness equipment. They only need to focus on the innovative design of core parts such as the equipment's motion trajectory, ergonomics, and functional realization.

[0035] The counterweight part can directly call and integrate the existing general counterweight module, which greatly simplifies the design process, shortens the R&D cycle, and speeds up the launch of new products.

[0036] Standardized structural design and improved versatility of parts: The universal counterweight module adopts standardized structural design and component selection, which makes the components inside the module highly universal, and even the components of different modules can be interchangeable.

[0037] This will greatly simplify parts management, reduce procurement difficulty, improve parts utilization, and lay the foundation for large-scale production.

[0038] Reduce manufacturing costs and improve production efficiency: The standardized design of universal counterweight modules makes large-scale and automated production possible. Factories can use standardized production lines, molds and processes to mass produce modules, greatly improving production efficiency and reducing unit manufacturing costs.

[0039] At the same time, the commonality of parts also reduces procurement costs, inventory costs and quality control costs, further reducing overall manufacturing costs.

[0040] Convenient product upgrading and replacement to improve product flexibility: After the universal weight module is decoupled from the instrument body, product upgrades become more convenient and flexible.

[0041] For example, when the weight system of an instrument needs to be upgraded, it is only necessary to replace or improve the universal weight module without making major changes to the entire instrument structure, which reduces the cost and difficulty of upgrading and improves the product life cycle and market competitiveness.

[0042] Simplified maintenance and reduced after-sales costs: The standardized structure of the universal counterweight module makes maintenance easier and more convenient.

[0043] Maintenance personnel only need to be familiar with the structure and principle of the universal counterweight module to quickly perform fault troubleshooting and parts replacement. The universality of parts also reduces spare parts inventory pressure, shortens maintenance cycles, and reduces after-sales maintenance costs.

[0044] The present invention decouples and separates the weight structure of the hanging weight fitness equipment to form a universal and standardized weight module. The weight block is installed through the weight arm 3, and different fitness equipment are connected through the first connection point or the second connection point on the connecting rod mechanism in conjunction with the joint bearing, so that the universal purpose can be achieved. No matter how the movement trajectory of the fitness equipment changes or how the functional areas are different, it can be adapted and conveniently used for weight counterweight to provide training resistance. The application of this universal weight module greatly simplifies the design process, shortens the research and development cycle, standardizes the structural design, improves the versatility of parts, reduces manufacturing costs, improves production efficiency, facilitates product upgrades, improves product flexibility, simplifies maintenance, and reduces after-sales costs.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Plate-mounted counterweight module, including: Bracket set (1); A load-bearing frame (2) connected to the support assembly (1); A counterweight arm (3) is rotatably connected to the load-bearing frame (2), and the counterweight arm (3) is used to install a counterweight block; A connecting rod mechanism is connected between the counterweight arm (3) and the load-bearing frame (2), and is characterized in that: At least two connection points are provided on the connecting rod mechanism, and the connection points are configured to adapt to driving components of different fitness equipment through a detachable connection method, so as to drive the counterweight arm (3) to rotate around the load-bearing frame (2) and provide training resistance.

2. The hanging plate type counterweight module according to claim 1, characterized in that: The connecting rod mechanism comprises a linkage tube (4) and a linkage rod (5); the linkage tube (4) is hinged to the middle end of the inner side of the counterweight arm (3); the linkage rod (5) is hinged to the upper end of the inner side of the load-bearing frame (2); and the front ends of the linkage tube (4) and the linkage rod (5) are hinged.

3. The hanging plate type counterweight module according to claim 2, characterized in that: A first connector (14) is provided at the middle end of the inner side of the counterweight arm (3), a first shaft sleeve (15) is provided above the linkage tube (4), and the first shaft sleeve (15) is hingedly connected to the first connector (14) via a joint bearing.

4. The hanging plate type counterweight module according to claim 3, characterized in that: A second connecting head (16) is provided above the inner side of the load-bearing frame (2), and a second shaft sleeve (17) is provided at the rear end of the linkage rod (5). The second shaft sleeve (17) is hingedly connected to the second connecting head (16) via a joint bearing.

5. The hanging plate type counterweight module according to claim 4, characterized in that: A linkage U-shaped plate (18) is provided at the front end of the linkage rod (5), and a joint shaft (19) is provided at the lower end of the linkage tube (4), wherein the joint shaft (19) is hingedly connected to the linkage U-shaped plate (18).

6. The hanging plate type counterweight module according to claim 5, characterized in that: When the first connection point is adopted, the first connection member is matched, and the first connection member comprises a side tube (6), a fan-shaped rib plate (7) and a connection shaft (8). The side tube (6) is connected below the second shaft sleeve (17), the fan-shaped rib plate (7) is connected between the side tube (6) and the linkage rod (5), and the lower end of the side tube (6) is provided with a connection shaft (8), and the connection shaft (8) is used to connect the pull rod of the fitness equipment.

7. The hanging plate type counterweight module according to claim 5, characterized in that: When the second connection point is used, a second connection member is used, the second connection member is a connection rod (9), the connection rod (9) is arranged on one side of the linkage U-shaped plate (18), and the connection rod (9) is used to connect the pull rod of the fitness equipment.

8. The hanging plate type counterweight module according to claim 1, characterized in that: A mounting seat (10) is provided above the load-bearing frame (2), a rotating block is rotatably provided inside the mounting seat (10), the counterweight arm (3) is connected to the rotating block, a counterweight mounting rod (13) is provided outside the counterweight arm (3), and the counterweight mounting rod (13) is used to install the counterweight.

9. The hanging plate type counterweight module according to claim 1, characterized in that: A support seat (11) is provided at the front end of the top of the load-bearing frame (2), and a buffer block (12) for carrying the counterweight arm (3) is provided above the support seat (11).

10. The hanging plate type counterweight module according to claim 1, characterized in that: The bracket group (1) is composed of a plurality of groups of transverse brackets, and the bracket group (1) is used for installing fitness equipment.