Multi-body-position multi-muscle-group training frame
By introducing locking and adjustment structures into the multi-position multi-muscle group training rack, the seat height and initial pull-down position can be flexibly adjusted, solving the problem of the single function of existing resistance training equipment and improving the practicality and versatility of the training equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO RITFIT SPORTS TECH CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-05-19
AI Technical Summary
Existing resistance training equipment has a simple structure and limited functions. It cannot flexibly adjust the seat height and initial pull-down position according to the user's height, resulting in limited training movements and poor practicality.
Design a multi-position multi-muscle group training rack. Adjust the seat height through a locking structure and adjust the initial position of the straight arm pull-down structure through an adjustment structure to achieve the limitation of seat height and flexible adjustment of training movements.
It improves the practicality of training equipment, meets the personalized needs of different users, and enhances the diversity and flexibility of training movements.
Smart Images
Figure CN224252013U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of fitness equipment, and in particular to a multi-position multi-muscle group training rack. Background Technology
[0002] When performing resistance training, people generally use devices such as a resistance training device for fitness disclosed in utility model patent CN210186362U and a muscle training device with vibration function disclosed in utility model patent CN220404721U.
[0003] However, during use, it was found that the existing resistance training equipment has a relatively simple structure, limited functions, poor training movements, and is inconvenient to flexibly adjust the seat height according to the user's height. Furthermore, it is inconvenient to adjust the initial position of the pulldown when performing straight arm pulldown movements, resulting in poor practicality. Therefore, there is an urgent need for a multi-position multi-muscle group training frame to improve the above problems. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a multi-position multi-muscle group training frame where the user can adjust the height of the seat according to their own height, and limit the seat after the height adjustment through a locking structure. The user can then adjust the initial position of the straight arm pull-down structure through the adjustment structure. After that, the user sits on the seat to perform straight arm pull-down training or high-position pull-down training, thereby improving the practicality of the equipment.
[0005] This utility model discloses a multi-position multi-muscle group training frame, which includes a main frame; it also includes a support structure and a training structure, both of which are mounted on the main frame.
[0006] The support structure includes a backrest, a seat, and a locking structure. The backrest is fixedly installed on the main frame, the seat is slidably installed on the main frame, and the locking structure is installed on the seat to limit the position of the seat.
[0007] The training structure includes a straight-arm pull-down structure and a high-position pull-down structure. Both the straight-arm pull-down structure and the high-position pull-down structure are mounted on the main frame, and the straight-arm pull-down structure is equipped with an adjustment structure.
[0008] Users can adjust the height of the seat according to their own height, and the locking mechanism limits the height of the seat after adjustment. Users can then adjust the initial position of the straight arm pull-down mechanism through the adjustment mechanism. After that, users can sit on the seat to perform straight arm pull-down training or high-position pull-down training, thereby improving the practicality of the equipment.
[0009] Preferably, the locking structure includes a limiting plate, a locking pin one, and a locking pin two. The limiting plate is fixedly installed on the main frame and is located on the rear side of the seat. The limiting plate is provided with several grooves, and locking pin one and locking pin two are inserted into the seat. Locking pin one and locking pin two are pulled out of the seat, and then the user slides the seat up or down to adjust the height of the seat. Then, locking pin one and locking pin two are reset so that they are locked in the grooves of the seat and the limiting plate, thereby limiting the seat and improving the flexibility of seat height adjustment.
[0010] Preferably, the straight arm pull-down structure includes multiple sets of fixed pulleys, a steel wire rope, a limiting block, two sets of movable pulleys, two sets of movable pulleys, multiple sets of fixed pulleys, a steel wire rope, a lifting frame, a counterweight, a steel wire rope, two sets of support rods, two sets of fixed pulleys, and two sets of handles. The multiple sets of fixed pulleys are all installed at the front of the main frame, and the multiple sets of fixed pulleys are all installed at the top of the main frame. The lifting frame and the counterweight are slidably installed on the main frame, and the counterweight is equipped with a pin. One end of the steel wire rope is fixed to the front of the main frame by the limiting block, and the other end of the steel wire rope passes over the multiple sets of fixed pulleys, one set of movable pulleys, and one set of movable pulleys and is fixed to the rear of the main frame. The two sets of movable pulleys and the two sets of movable pulleys are interconnected. One end of the steel wire rope is fixed to the high-position pull-down structure, and the other end of the steel wire rope passes over... Another set of movable pulleys and multiple sets of fixed pulleys are connected to the lifting frame. One end of each of the two sets of support rods is rotatably mounted on the main frame. Two sets of fixed pulleys are respectively mounted on the other ends of the two sets of support rods. The middle of the steel wire rope is looped around another set of movable pulleys. The two ends of the steel wire rope are respectively wrapped around the two sets of fixed pulleys. Two sets of handles are respectively mounted on the two ends of the steel wire rope. A suitable number of counterweights are hung on the lifting frame. The user sits on the seat, holds the two sets of handles with both hands, and pulls down on the two sets of handles. Through the coordinated transmission of fixed pulleys, steel wire ropes, limit blocks, movable pulleys, movable pulleys, fixed pulleys, and steel wire ropes, the lifting frame rises to provide training load for the user. After the user pulls down the two sets of handles to their limit, the two sets of handles are slowly released to return the lifting frame to its original position. The above steps are repeated several times to complete the straight arm pulldown training.
[0011] Preferably, the adjustment structure includes two sets of limiting discs and two sets of spring pins. Both sets of limiting discs are fixed on the main frame, and both sets of limiting discs are provided with multiple sets of limiting holes. The two sets of spring pins are respectively installed on two sets of support rods. By moving the support rods up or down, the position of the handle is adjusted, and then the spring pins are inserted into the limiting holes on the limiting discs to limit the initial position of the handle.
[0012] Preferably, the high-position pulldown structure includes multiple sets of fixed pulleys and a pulldown rod. The multiple sets of fixed pulleys are all installed on the top of the main frame. One end of the steel wire rope passes over the multiple sets of fixed pulleys and is connected to the pulldown rod. The user sits on the seat, stretches his arms upward and holds the pulldown rod. Then the user pulls down the pulldown rod. Through the coordinated transmission of the fixed pulleys, movable pulleys, fixed pulleys and steel wire rope, the lifting frame moves upward. Then the user slowly releases the pulldown rod to reset the lifting frame. The above steps are repeated multiple times to complete the high-position pulldown training.
[0013] Preferably, the lifting frame is provided with an external hanging frame; this facilitates the addition of additional counterweights to the lifting frame.
[0014] Preferably, the main frame is provided with multiple sets of limiting posts, which are located on the front and rear sides of the seat respectively; this facilitates the restriction of the user's legs when the user sits on the seat.
[0015] Preferably, the seat is equipped with a safety pin; the safety pin further improves the stability of the seat.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: the user adjusts the height of the seat according to his / her own height, and the locking structure limits the seat after the height adjustment. The user then adjusts the initial position of the straight arm pull-down structure through the adjustment structure. After that, the user sits on the seat to perform straight arm pull-down training or high-position pull-down training, thereby improving the practicality of the equipment. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the first isometric structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the second isometric structure of this utility model;
[0019] Figure 3 This is a utility model Figure 2 A magnified structural diagram of part A in the diagram;
[0020] Figure 4 This is a schematic diagram of the third isometric structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the right-side structure of this utility model;
[0022] Figure 6 This is a front view structural diagram of the present invention;
[0023] Figure 7 This is a first axonometric schematic diagram of the support structure of this utility model;
[0024] Figure 8 This is a second isometric schematic diagram of the support structure of this utility model.
[0025] The following components are marked in the attached diagram: 1. Main frame; 2. Backrest; 3. Seat; 4. Limiting plate; 5. Locking pin one; 6. Locking pin two; 7. Fixed pulley one; 8. Steel wire rope one; 9. Limiting block; 10. Moving pulley one; 11. Moving pulley two; 12. Fixed pulley two; 13. Steel wire rope two; 14. Lifting frame; 15. Counterweight block; 16. Steel wire rope three; 17. Support rod; 18. Fixed pulley three; 19. Handle; 20. Limiting plate; 21. Spring pin; 22. Fixed pulley four; 23. Pull-down rod; 24. External bracket; 25. Limiting post; 26. Safety pin. Detailed Implementation
[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1
[0027] like Figures 1 to 8 As shown, a multi-position multi-muscle group training frame includes a main frame 1; it also includes a support structure and a training structure, both of which are mounted on the main frame 1.
[0028] The support structure includes a backrest 2, a seat 3, and a locking structure. The backrest 2 is fixedly installed on the main frame 1, the seat 3 is slidably installed on the main frame 1, and the locking structure is installed on the seat 3 to limit the position of the seat 3.
[0029] The training structure includes a straight arm pull-down structure and a high-position pull-down structure. Both the straight arm pull-down structure and the high-position pull-down structure are mounted on the main frame 1, and the straight arm pull-down structure is equipped with an adjustment structure.
[0030] The locking structure includes a limiting plate 4, a locking pin 1 5, and a locking pin 2 6. The limiting plate 4 is fixedly installed on the main frame 1 and is located on the rear side of the seat 3. The limiting plate 4 is provided with several grooves. The locking pin 1 5 and the locking pin 2 6 are both inserted into the seat 3.
[0031] The straight arm pull-down structure includes multiple sets of fixed pulleys 7, wire ropes 8, limiting blocks 9, two sets of movable pulleys 10, two sets of movable pulleys 11, multiple sets of fixed pulleys 12, wire ropes 13, a lifting frame 14, a counterweight 15, wire ropes 16, two sets of support rods 17, two sets of fixed pulleys 18, and two sets of handles 19. The multiple sets of fixed pulleys 7 are all installed at the front of the main frame 1, and the multiple sets of fixed pulleys 12 are all installed at the top of the main frame 1. The lifting frame 14 and the counterweight 15 are slidably installed on the main frame 1, and the counterweight 15 is equipped with a pin. One end of the wire rope 8 is fixed to the front of the main frame 1 by the limiting block 9, and the other end of the wire rope 8 passes over the multiple sets of fixed pulleys 7. A set of movable pulley 10 and a set of movable pulley 21 are fixed to the rear of the main frame 1. The two sets of movable pulley 10 and the two sets of movable pulley 21 are interconnected. One end of wire rope 213 is fixed to the high-position pull-down structure. The other end of wire rope 213 passes over another set of movable pulley 21 and multiple sets of fixed pulley 22 and is connected to the lifting frame 14. One end of each of the two sets of support rods 17 is rotatably installed on the main frame 1. Two sets of fixed pulley 318 are respectively installed on the other end of the two sets of support rods 17. The middle part of wire rope 316 is looped on another set of movable pulley 10. The two ends of wire rope 316 pass over the two sets of fixed pulley 318 respectively. Two sets of handles 19 are respectively installed on the two ends of wire rope 316.
[0032] The adjustment structure includes two sets of limiting discs 20 and two sets of spring pins 21. Both sets of limiting discs 20 are fixed on the main frame 1, and both sets of limiting discs 20 are provided with multiple sets of limiting holes. The two sets of spring pins 21 are respectively installed on two sets of support rods 17.
[0033] An external bracket 24 is provided on the lifting frame 14;
[0034] The main frame 1 is provided with multiple sets of limiting posts 25, which are located on the front and rear sides of the seat 3 respectively.
[0035] The seat 3 is equipped with a safety pin 26;
[0036] Remove locking pin 5, locking pin 6, and safety pin 26 from seat 3. Then, the user slides seat 3 up or down to adjust its height. Next, reset locking pins 5, 6, and 26, locking them into the grooves of seat 3 and limiting plate 4, thus limiting seat 3. Then, hang an appropriate number of counterweights 15 on lifting frame 14. If necessary, additional counterweights can be added to external frame 24. The user then adjusts the position of handle 19 by moving support rod 17 up or down. Next, insert spring pin 21 into the limiting hole on limiting plate 20 to restrict the initial position of handle 19. The user sits on seat 3, allowing limiting post 25 to limit the user's legs. The user then holds both hands... Pull down two sets of handles 19, which, through the coordinated transmission of fixed pulley 1 7, steel wire rope 1 8, limit block 9, movable pulley 1 10, movable pulley 2 11, fixed pulley 2 12, and steel wire rope 2 13, raise the lifting frame 14 to provide training load for the user. After the user pulls down two sets of handles 19 to their limit, slowly release the two sets of handles 19 to return the lifting frame 14 to its original position. Repeat the above steps multiple times to complete the straight arm pull-down training. With arms extended upward and gripping the pull-down rod 23, the user pulls down the pull-down rod 23, which, through the coordinated transmission of fixed pulley 4 22, movable pulley 2 11, fixed pulley 2 12, and steel wire rope 2 13, raises the lifting frame 14. Then slowly release the pull-down rod 23 to return the lifting frame 14 to its original position. Repeat the above steps multiple times to complete the high-position pull-down training, thereby improving the practicality of the equipment. Example 2
[0037] like Figures 1 to 8 As shown, a multi-position multi-muscle group training frame includes a main frame 1; it also includes a support structure and a training structure, both of which are mounted on the main frame 1.
[0038] The support structure includes a backrest 2, a seat 3, and a locking structure. The backrest 2 is fixedly installed on the main frame 1, the seat 3 is slidably installed on the main frame 1, and the locking structure is installed on the seat 3 to limit the position of the seat 3.
[0039] The training structure includes a straight arm pull-down structure and a high-position pull-down structure. Both the straight arm pull-down structure and the high-position pull-down structure are mounted on the main frame 1, and the straight arm pull-down structure is equipped with an adjustment structure.
[0040] The locking structure includes a limiting plate 4, a locking pin 1 5, and a locking pin 2 6. The limiting plate 4 is fixedly installed on the main frame 1 and is located on the rear side of the seat 3. The limiting plate 4 is provided with several grooves. The locking pin 1 5 and the locking pin 2 6 are both inserted into the seat 3.
[0041] The straight arm pull-down structure includes multiple sets of fixed pulleys 7, wire ropes 8, limiting blocks 9, two sets of movable pulleys 10, two sets of movable pulleys 11, multiple sets of fixed pulleys 12, wire ropes 13, a lifting frame 14, a counterweight 15, wire ropes 16, two sets of support rods 17, two sets of fixed pulleys 18, and two sets of handles 19. The multiple sets of fixed pulleys 7 are all installed at the front of the main frame 1, and the multiple sets of fixed pulleys 12 are all installed at the top of the main frame 1. The lifting frame 14 and the counterweight 15 are slidably installed on the main frame 1, and the counterweight 15 is equipped with a pin. One end of the wire rope 8 is fixed to the front of the main frame 1 by the limiting block 9, and the other end of the wire rope 8 passes over the multiple sets of fixed pulleys 7. A set of movable pulley 10 and a set of movable pulley 21 are fixed to the rear of the main frame 1. The two sets of movable pulley 10 and the two sets of movable pulley 21 are interconnected. One end of wire rope 213 is fixed to the high-position pull-down structure. The other end of wire rope 213 passes over another set of movable pulley 21 and multiple sets of fixed pulley 22 and is connected to the lifting frame 14. One end of each of the two sets of support rods 17 is rotatably installed on the main frame 1. Two sets of fixed pulley 318 are respectively installed on the other end of the two sets of support rods 17. The middle part of wire rope 316 is looped on another set of movable pulley 10. The two ends of wire rope 316 pass over the two sets of fixed pulley 318 respectively. Two sets of handles 19 are respectively installed on the two ends of wire rope 316.
[0042] The adjustment structure includes two sets of limiting discs 20 and two sets of spring pins 21. Both sets of limiting discs 20 are fixed on the main frame 1, and both sets of limiting discs 20 are provided with multiple sets of limiting holes. The two sets of spring pins 21 are respectively installed on two sets of support rods 17.
[0043] The high-position pull-down structure includes multiple sets of fixed pulleys 22 and pull-down rods 23. The multiple sets of fixed pulleys 22 are all installed on the top of the main frame 1. One end of the steel wire rope 13 passes around the multiple sets of fixed pulleys 22 and is connected to the pull-down rods 23.
[0044] An external bracket 24 is provided on the lifting frame 14;
[0045] The main frame 1 is provided with multiple sets of limiting posts 25, which are located on the front and rear sides of the seat 3 respectively.
[0046] The seat 3 is equipped with a safety pin 26;
[0047] Remove locking pin 5, locking pin 6, and safety pin 26 from seat 3. Then, the user slides seat 3 up or down to adjust its height. Next, reset locking pins 5, 6, and 26, so they engage in the grooves of seat 3 and limiting plate 4, thus limiting seat 3. Then, hang an appropriate number of counterweights 15 on the lifting frame 14. If necessary, additional counterweights can be added to the external frame 24. Finally, the user adjusts the position of handle 19 by moving the support rod 17 up or down. Next, insert the spring pin 21 into the limiting hole on the limiting plate 20 to restrict the initial position of the handle 19. The user sits on the seat 3, so that the limiting post 25 limits the user's legs. Then, the user stretches both arms upward and holds the pull rod 23. Then, the user pulls the pull rod 23 downward. Through the cooperation of the fixed pulley 4 22, the movable pulley 2 11, the fixed pulley 2 12 and the wire rope 2 13, the lifting frame 14 is raised. Then, slowly release the pull rod 23 to reset the lifting frame 14. Repeat the above steps multiple times to complete the high-position pull-down training, thereby improving the practicality of the equipment.
[0048] The backrest 2, seat 3, and limiting column 25 are all filled with sponge. The fixed pulley 7, movable pulley 10, movable pulley 21, fixed pulley 22, fixed pulley 318, and fixed pulley 42 of the multi-position multi-muscle group training rack of this utility model are purchased from the market. Technicians in this industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from technicians in this field.
[0049] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A multi-station multi-muscle group training rack comprising a main frame (1); characterized in that, It also includes a support structure and a training structure, both of which are mounted on the main frame (1); The support structure includes a backrest (2), a seat (3) and a locking structure. The backrest (2) is fixedly installed on the main frame (1), the seat (3) is slidably installed on the main frame (1), and the locking structure is installed on the seat (3) to limit the position of the seat (3). The training structure includes a straight arm pull-down structure and a high-position pull-down structure. Both the straight arm pull-down structure and the high-position pull-down structure are installed on the main frame (1), and the straight arm pull-down structure is provided with an adjustment structure.
2. The multi-position multi-muscle group training frame as described in claim 1, characterized in that, The locking structure includes a limiting plate (4), a locking pin one (5) and a locking pin two (6). The limiting plate (4) is fixedly installed on the main frame (1) and is located on the rear side of the seat (3). The limiting plate (4) has several grooves. The locking pin one (5) and the locking pin two (6) are both inserted into the seat (3).
3. A multi-position, multi-muscle group exercise frame as claimed in claim 1, wherein, The straight arm pull-down structure includes multiple sets of fixed pulleys (7), steel wire rope (8), limiting block (9), two sets of movable pulleys (10), two sets of movable pulleys (11), multiple sets of fixed pulleys (12), steel wire rope (13), lifting frame (14), counterweight (15), steel wire rope (16), two sets of support rods (17), two sets of fixed pulleys (18), and two sets of handles (19). The multiple sets of fixed pulleys (7) are all installed at the front of the main frame (1), the multiple sets of fixed pulleys (12) are all installed at the top of the main frame (1), the lifting frame (14) and the counterweight (15) are slidably installed on the main frame (1), and the counterweight (15) is provided with a pin. One end of the steel wire rope (8) is fixed to the front of the main frame (1) by the limiting block (9), and the other end of the steel wire rope (8) passes around the multiple sets of fixed pulleys (7). Pulley 1 (7), a set of movable pulley 1 (10) and a set of movable pulley 2 (11) are fixed to the rear of the main frame (1). The two sets of movable pulley 1 (10) and the two sets of movable pulley 2 (11) are connected to each other. One end of wire rope 2 (13) is fixed to the high-position pull-down structure. The other end of wire rope 2 (13) passes around another set of movable pulley 2 (11) and multiple sets of fixed pulley 2 (12) and is connected to the lifting frame (14). One end of each set of support rods (17) is rotatably installed on the main frame (1). Two sets of fixed pulley 3 (18) are respectively installed on the other end of the two sets of support rods (17). The middle part of wire rope 3 (16) is sleeved on another set of movable pulley 1 (10). The two ends of wire rope 3 (16) pass around the two sets of fixed pulley 3 (18) respectively. Two sets of handles (19) are respectively installed on the two ends of wire rope 3 (16).
4. A multi-position, multi-muscle group exercise frame as claimed in claim 3, wherein, The adjustment structure includes two sets of limiting discs (20) and two sets of spring pins (21). Both sets of limiting discs (20) are fixed on the main frame (1), and both sets of limiting discs (20) are provided with multiple sets of limiting holes. The two sets of spring pins (21) are respectively installed on two sets of support rods (17).
5. A multi-position, multi-muscle group exercise frame as claimed in claim 3, wherein, The high-position pull-down structure comprises multiple sets of fixed pulley four (22) and a pull-down rod (23), the multiple sets of fixed pulley four (22) are installed on the top of the main body rack (1), and one end of the steel wire rope two (13) is connected with the pull-down rod (23) by passing through the multiple sets of fixed pulley four (22).
6. A multi-position, multi-muscle group exercise frame as claimed in claim 3, wherein, An external hanging rack (24) is arranged on the lifting frame (14).
7. A multi-position, multi-muscle group exercise frame as described in claim 1, wherein, Multiple sets of limiting columns (25) are arranged on the main body rack (1), and the multiple sets of limiting columns (25) are respectively located on the front side and the rear side of the seat (3).
8. A multi-position, multi-muscle group exercise frame as described in claim 1, wherein, A safety pin (26) is arranged on the seat (3).