A new quadriceps trainer

Abstract

The utility model relates to the field of fitness equipment discloses a novel thigh four head training ware, including the adjusting frame, the adjusting frame top rotatory connection has the adjusting seat, the adjusting seat top fixedly connected with the sliding plate, the adjusting seat rear end fixedly connected with the inclined seat no.

Description

Technical Field

[0001] This utility model relates to the field of fitness equipment, and in particular to a novel quadriceps training device. Background Technology

[0002] The new quadriceps trainer is an innovative device that upgrades traditional equipment. It is designed for the front thigh muscles and takes into account both fitness and rehabilitation needs. It adjusts resistance and angle through mechanical structure, elastic components or intelligent control system. Some of them use foldable design and human-fitting materials. It can also monitor exercise data in real time, making training safer and more efficient. It is suitable for gyms, rehabilitation centers and home scenarios.

[0003] Most existing quadriceps trainers use simple adjustment components to adjust the depth and tilt of the seat and backrest, and can only achieve single seat adjustment and backrest tilt adjustment.

[0004] Existing quadriceps trainers can only adjust the seat forward and backward or only adjust the backrest angle; they cannot simultaneously satisfy both seat forward and backward adjustment and backrest angle adjustment; the resistance curve is singular and does not change with the leg flexion and extension angle. Therefore, a new quadriceps trainer is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a novel quadriceps trainer, which aims to improve the problems in the existing technology where the seat cushion can be adjusted forward and backward during flat training and the resistance curve change trajectory has errors.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A novel quadriceps training device includes an adjustment frame, an adjustment seat rotatably connected to the top of the adjustment frame, a slide plate fixedly connected to the top of the adjustment seat, an inclined seat I fixedly connected to the rear end of the adjustment seat, a cushion abutting the top of the inclined seat I, a groove provided at the bottom of the cushion, the slide plate slidably connected to the groove of the cushion, multiple slots provided on one side of the inclined seat I, a round-headed spring rod fixedly connected to the outer wall of the adjustment seat, the round head of the spring rod slidably connected to the slot of the inclined seat I, two adjustment components I provided at the bottom of the adjustment seat, a seat cushion rotatably connected to the bottom of the cushion, and an adjustment component II provided on one side of the adjustment seat;

[0008] As a further description of the above technical solution:

[0009] The second adjustment component includes an L-shaped frame, which is rotatably connected to the top of the adjustment seat. A second tilting seat is fixedly connected to one side of the L-shaped frame. A plurality of slots are provided on one side of the tilting seat. A locking rod is slidably connected inside the L-shaped frame. An adjustment rod is fixedly connected to the other end of the L-shaped frame. A hook bracket is slidably connected inside the adjustment rod. A plurality of slots are provided on one side of the hook bracket. A locking post is slidably connected to one side of the adjustment rod. The locking post is slidably connected to the slots of the adjustment rod.

[0010] As a further description of the above technical solution:

[0011] The adjustment assembly includes a locking bar, which is fixedly connected to both sides of the adjustment seat. The outer side of the locking bar is provided with multiple locking holes. A fixing plate is fixedly connected to the top of the adjustment seat, and a hydraulic telescopic rod is fixedly connected to the inner side of the fixing plate.

[0012] As a further description of the above technical solution:

[0013] A lock seat is fixedly connected to the outer wall of the hydraulic telescopic rod, a lock rod is inserted inside the lock seat, an adjusting hand is rotatably connected to the other end of the lock rod, a support plate is fixedly connected to the outer wall of the hydraulic telescopic rod, the adjusting hand is rotatably connected to the inner side of the support plate, and the hydraulic telescopic rod is fixedly connected to the bottom of the seat cushion.

[0014] As a further description of the above technical solution:

[0015] A training cabinet is fixedly connected to one side of the adjustment seat. Multiple gravity blocks are slidably connected inside the training cabinet. Each gravity block has an insertion hole on its outer side.

[0016] As a further description of the above technical solution:

[0017] A wire reel is fixedly connected to one side of the adjustment seat, and a pull wire is sleeved on the wire reel;

[0018] As a further description of the above technical solution:

[0019] One end of the pull line is fixedly connected to a training tray, and the training tray is fixedly connected to the outside of the L-shaped frame.

[0020] As a further description of the above technical solution:

[0021] The other end of the pull wire is fixedly connected to a spring head, which is inserted into the socket of the gravity block.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, when adjusting the seat cushion forward and backward by adjusting component one, the backrest cushion can slide along the slide groove on the sliding plate of the adjusting seat. At the same time, the user can press down on the backrest cushion by gravity, which can drive the adjusting seat to rotate, so that the round head of the spring rod slides in the slot of the tilting seat one to change the inclination of the backrest cushion. This realizes the linkage between the forward and backward adjustment of the seat cushion and the adjustment of the backrest cushion angle, which solves the problem that the existing training device cannot meet the adjustment of both at the same time, and improves the body position adaptability and comfort during training.

[0024] 2. In this utility model, the hook bracket can slide inside the adjusting rod, and the depth can be adjusted by the cooperation of the locking post and the different locking slots of the hook bracket; at the same time, the L-shaped frame can rotate around the adjusting seat, and the height can be adjusted by the cooperation of the locking slot and locking rod of the tilting seat second, thereby realizing the flexible adjustment of the depth and height of the hook bracket, adapting to the leg size and training needs of different users, and improving the versatility and ease of use of the equipment. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a novel quadriceps training device proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the adjustment seat of a novel quadriceps training device proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the inclined plate of a novel quadrupedal training device proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the cushion of a novel quadriceps training device proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the hook-leg frame of a novel quadrupedal training device proposed in this utility model.

[0030] Figure 6 This utility model provides a schematic diagram illustrating the structure of a training cabinet for a novel quadrupedal training device.

[0031] 1. Adjustable frame; 2. Adjustable seat; 3. Slide plate; 4. Inclined seat one; 5. Backrest cushion; 6. Slide groove; 7. Round-headed spring rod; 8. Seat cushion; 9. L-shaped frame; 10. Inclined seat two; 11. Locking rod; 12. Adjusting rod; 13. Hook bracket; 14. Locking column; 15. Locking bar; 16. Fixing plate; 17. Hydraulic telescopic rod; 18. Spring head; 19. Locking seat; 20. Locking rod; 21. Adjusting handle; 22. Support plate; 23. Training cabinet; 24. Gravity block; 25. Cable reel; 26. Pull cable; 27. Training tray. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 1-4 This utility model provides an embodiment of a novel quadriceps training device, comprising an adjustment frame 1, which is the basic support component of the entire training device, used to support and fix other structures. An adjustment seat 2 is rotatably connected to the top of the adjustment frame 1. The adjustment seat 2 serves as the core carrier connecting various components and can rotate relative to the adjustment frame 1, providing a base for the installation and movement of other structures. A sliding plate 3 is fixedly connected to the top of the adjustment seat 2. The sliding plate 3 is fixed to the top of the adjustment seat 2 and can slide within the groove 6 of the cushion 5, cooperating with the cushion 5 to achieve position adjustment. An inclined seat 4 is fixedly connected to the rear end of the adjustment seat 2. The inclined seat 4 is fixed to the rear end of the adjustment seat 2, with its top abutting against the cushion 5. A slot on one side provides sliding and positioning space for a round-headed spring rod 7, assisting the cushion 5 in adjusting its tilt angle. The top of the inclined seat 4 abuts against the cushion 5, and the bottom of the cushion 5 has a groove 6, which is slidably connected to the sliding plate 3, allowing for... The user can lean against it, and the tilt angle can be adjusted by the cooperation of the round-headed spring rod 7 and the tilt seat 4. The bottom of the cushion 5 is provided with a sliding groove 6, which provides a sliding track for the slide plate 3, allowing the cushion 5 to move relative to the adjustment seat 2. The slide plate 3 is slidably connected in the sliding groove 6 of the cushion 5. The tilt seat 4 is provided with multiple slots on one side. The outer wall of the adjustment seat 2 is fixedly connected with the round-headed spring rod 7. The round-headed spring rod 7 is fixed to the outer wall of the adjustment seat 2, and its round head is slidably connected in the slot of the tilt seat 4 to limit and adjust the tilt angle of the cushion 5. The round headed spring rod 7 is slidably connected in the slot of the tilt seat 4. The bottom of the adjustment seat 2 is provided with two adjustment components. The bottom of the cushion 5 is rotatably connected to the seat 8, which is rotatably connected to the bottom of the cushion 5 for the user to sit on. The seat 8 can be adjusted forward and backward by the adjustment components. The adjustment component 2 is provided on one side of the adjustment seat 2.

[0034] Refer to and Figure 6The second adjustment component includes an L-shaped frame 9, which is rotatably connected to the top of the adjustment base 2. One side is connected to a second tilting seat 10, and the other end is connected to an adjustment rod 12, providing installation and movement support for the adjustment rod 12 and the hook bracket 13. The L-shaped frame 9 is rotatably connected to the top of the adjustment base 2. A second tilting seat 10 is fixedly connected to one side of the L-shaped frame 9. The second tilting seat 10 is fixed to one side of the L-shaped frame 9, and a slot on one side engages with a locking rod 11 to limit the rotation angle of the L-shaped frame 9. Multiple slots are provided on one side of the second tilting seat 10. The locking rod 11 is slidably connected inside the L-shaped frame 9 and can engage with the slots of the second tilting seat 10 to fix the L-shaped frame 9. At the position of the L-shaped frame 9, an adjusting rod 12 is fixedly connected to the other end of the L-shaped frame 9. The adjusting rod 12 is fixed to the other end of the L-shaped frame 9 and is internally slidably connected to a hook bracket 13, providing an installation and sliding track for the hook bracket 13. The hook bracket 13 is slidably connected inside the adjusting rod 12 for the user to hook their feet. The slot on one side of the hook bracket 13 cooperates with the locking post 14 to adjust the depth. The hook bracket 13 has multiple slots on one side. The locking post 14 is slidably connected to one side of the adjusting rod 12 and can cooperate with the slots of the hook bracket 13 to fix the depth position of the hook bracket 13. The locking post 14 is slidably connected in the slots of the adjusting rod 12.

[0035] Reference Figure 2 and Figure 5The adjustment assembly includes a locking bar 15, which is fixed to both sides of the adjustment seat 2. Multiple locking holes on its outer side engage with the locking rod 20 to restrict the extension and retraction of the hydraulic telescopic rod 17. The locking bars 15 are fixedly connected to both sides of the adjustment seat 2, and multiple locking holes are provided on the outer side of the locking bars 15. A fixing plate 16 is fixedly connected to the top of the adjustment seat 2. The fixing plate 16 is fixed to the top of the adjustment seat 2, and the hydraulic telescopic rod 17 is fixedly connected to its inner side, providing installation support for the hydraulic telescopic rod 17. The hydraulic telescopic rod 17 is fixedly connected to the inner side of the fixing plate 16 and to the bottom of the seat cushion 8, driving the seat cushion 8 to move back and forth. A locking seat is fixedly connected to the outer wall of the hydraulic telescopic rod 17. 19. The lock seat 19 is fixed to the outer wall of the hydraulic telescopic rod 17, and the lock rod 20 is internally connected to it, providing an installation position for the lock rod 20. The lock rod 20 is internally connected to the lock seat 19, and the other end is rotatably connected to the adjusting handle 21, which can cooperate with the locking hole of the lock bar 15 to lock the position of the hydraulic telescopic rod 17. The other end of the lock rod 20 is rotatably connected to the adjusting handle 21, which is rotatably connected to the inner side of the support plate 22 and the other end of the lock rod 20, and is used to drive the lock rod 20 to move. The support plate 22 is fixedly connected to the outer wall of the hydraulic telescopic rod 17, and the support plate 22 is fixed to the outer wall of the hydraulic telescopic rod 17, providing rotational support for the adjusting handle 21. The hydraulic telescopic rod 17 is fixedly connected to the bottom of the seat cushion 8 and is connected to the inner side of the support plate 22. The training cabinet 23 is fixedly connected to one side of the adjustment seat 2. The training cabinet 23 is fixed to one side of the adjustment seat 2. Multiple gravity blocks 24 are slidably connected inside the training cabinet 23 to provide storage space for the gravity blocks 24. Multiple gravity blocks 24 are slidably connected inside the training cabinet 23. The insertion holes on the outside of the gravity blocks 24 cooperate with the spring head 18 to provide resistance for training through their own weight. The outside of each gravity block 24 is provided with an insertion hole. A cable reel 25 is fixedly connected to one side of the adjustment seat 2. The cable reel 25 is fixed to one side of the adjustment seat 2 and is fitted with a pull cable 26 for guiding and storing the pull cable 26. The 25-piece set is equipped with a pull line 26. One end of the pull line 26 is connected to the training plate 27, and the other end is connected to the spring head 18. It is used to transmit the force between the training plate 27 and the gravity block 24. One end of the pull line 26 is fixedly connected to the training plate 27, which is fixed to the outside of the L-shaped frame 9. The pull line 26 transmits the movement of the L-shaped frame 9 to the gravity block 24 through the pull line 26. The training plate 27 is fixedly connected to the outside of the L-shaped frame 9. The other end of the pull line 26 is fixedly connected to the spring head 18, which is inserted into the socket of the gravity block 24. The spring head 18 is connected to the other end of the pull line 26 and inserted into the socket of the gravity block 24. It is used to connect the pull line 26 and the gravity block 24 and transmit the pulling force.

[0036] Working principle: First, adjust the position of the seat cushion 8 by adjusting component one: rotate the adjusting hand 21 on the inner side of the support plate 22 to drive the locking rod 20 to slide in the locking seat 19, so that it disengages from or engages with the locking hole of the locking bar 15, thereby releasing or locking the hydraulic telescopic rod 17. The extension and retraction of the hydraulic telescopic rod 17 can push the seat cushion 8 to move back and forth to meet the needs of different heights.

[0037] When adjusting the angle of the backrest 5, the user leans on the backrest 5 and presses it down, causing the adjustment seat 2 to rotate relative to the adjustment frame 1. At this time, the round head of the spring rod 7 on the outer wall of the adjustment seat 2 will slide along the slot of the tilt seat 4. The tilt of the backrest 5 is changed by positioning through the slot. The sliding groove 6 at the bottom of the backrest 5 will slide synchronously along the sliding plate 3 at the top of the adjustment seat 2, ensuring that the seat cushion 8 and the backrest 5 are linked. The user can switch from a sitting position to a lying position while keeping the position of the rotation point unchanged.

[0038] For adjusting the position of the hook foot, the following steps are taken using the second adjustment component: rotate the L-shaped frame 9 so that it rotates around the top of the adjustment seat 2, then insert the locking rod 11 inside the L-shaped frame 9 into the corresponding slot of the tilt seat 2 10 to fix the height of the hook foot 13; push the hook foot 13 to slide along the adjustment rod 12, and use the locking post 14 on one side of the adjustment rod 12 to insert into the slot of the hook foot 13 to complete the depth adjustment and adapt to different leg sizes.

[0039] During training, the flexion and extension of the legs cause the L-shaped frame 9 to rotate, and the training plate 27 on its outer side rotates synchronously. The tension is transmitted through the pull line 26 wound on the reel 25. The spring head 18 at the other end of the pull line 26 pulls the gravity block 24 inside the training cabinet 23 to generate resistance. The resistance curve design of the reel 25 makes the resistance change from increasing to decreasing with the flexion and extension angle of the legs, matching the leg force pattern and improving the training effect.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel quadriceps training device, comprising an adjustment frame (1), characterized in that: The top of the adjustment frame (1) is rotatably connected to an adjustment seat (2), the top of the adjustment seat (2) is fixedly connected to a sliding plate (3), the rear end of the adjustment seat (2) is fixedly connected to an inclined seat (4), the top of the inclined seat (4) abuts against a cushion (5), the bottom of the cushion (5) is provided with a sliding groove (6), the sliding plate (3) is slidably connected in the sliding groove (6) of the cushion (5), one side of the inclined seat (4) is provided with multiple slots, the outer wall of the adjustment seat (2) is fixedly connected to a round-headed spring rod (7), the round head of the round-headed spring rod (7) is slidably connected in the slot of the inclined seat (4), the bottom of the adjustment seat (2) is provided with two adjustment components, the bottom end of the cushion (5) is rotatably connected to a seat cushion (8), and one side of the adjustment seat (2) is provided with an adjustment component.

2. The novel quadriceps trainer according to claim 1, characterized in that: The second adjustment component includes an L-shaped frame (9), which is rotatably connected to the top of the adjustment seat (2). An inclined seat (10) is fixedly connected to one side of the L-shaped frame (9). Multiple slots are provided on one side of the inclined seat (10). A locking rod (11) is slidably connected inside the L-shaped frame (9). An adjustment rod (12) is fixedly connected to the other end of the L-shaped frame (9). A hook bracket (13) is slidably connected inside the adjustment rod (12). Multiple slots are provided on one side of the hook bracket (13). A locking post (14) is slidably connected to one side of the adjustment rod (12). The locking post (14) is slidably connected in the slot of the adjustment rod (12).

3. The novel quadriceps trainer according to claim 1, characterized in that: The adjustment assembly includes a locking bar (15), which is fixedly connected to both sides of the adjustment seat (2). Multiple locking holes are provided on the outer side of the locking bar (15). A fixing plate (16) is fixedly connected to the top of the adjustment seat (2), and a hydraulic telescopic rod (17) is fixedly connected to the inner side of the fixing plate (16).

4. A novel quadriceps training device according to claim 3, characterized in that: A lock seat (19) is fixedly connected to the outer wall of the hydraulic telescopic rod (17). A lock rod (20) is inserted inside the lock seat (19). An adjusting hand (21) is rotatably connected to the other end of the lock rod (20). A support plate (22) is fixedly connected to the outer wall of the hydraulic telescopic rod (17). The adjusting hand (21) is rotatably connected to the inner side of the support plate (22). The hydraulic telescopic rod (17) is fixedly connected to the bottom of the cushion (8).

5. A novel quadriceps training device according to claim 1, characterized in that: The adjustment seat (2) is fixedly connected to a training cabinet (23) on one side. Multiple gravity blocks (24) are slidably connected inside the training cabinet (23). Each gravity block (24) has an insertion hole on its outer side.

6. A novel quadriceps training device according to claim 1, characterized in that: A wire reel (25) is fixedly connected to one side of the adjusting seat (2), and a pull wire (26) is sleeved on the wire reel (25).

7. A novel quadriceps training device according to claim 6, characterized in that: One end of the pull wire (26) is fixedly connected to a training disc (27), which is fixedly connected to the outside of the L-shaped frame (9).

8. A novel quadriceps training device according to claim 6, characterized in that: The other end of the pull wire (26) is fixedly connected to a spring head (18), which is inserted into the socket of the gravity block (24).

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