Back pedal type leg kicking device
By using technologies such as driving motors and electromagnetic spring pins in the reverse pedal leg pedal device, the counterweight plates are quickly switched and adjusted, solving the problem that traditional equipment is inconvenient to adjust the counterweight, and improving the convenience of adjustment of training intensity.
Patent Information
- Application Number
- CN202421823327.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The traditional reverse pedal leg pedal device is inconvenient for adjusting the counterweight, which causes users to pause training to install and adjust the counterweight during the exercise process, which is inconvenient to operate.
A reverse pedal leg pedal device is designed, using components such as drive motor, gear, gear ring and threaded sleeve. Through the cooperation of electromagnetic spring pins and sockets, the counterweight plate can be quickly switched and adjusted.
It enables fitness workers to quickly and easily adjust the training intensity during the training process, without pausing training, making the operation more convenient.
Smart Images
Figure CN222983623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fitness equipment, and more specifically, the utility model relates to a reverse leg press machine. Background Art
[0002] The reverse leg press machine, also known as a hack squat machine, is an efficient fitness device suitable for exercising the quadriceps femoris of the thighs, and at the same time helps to enhance the strength and endurance of the gluteal muscles and the posterior thigh muscles such as the biceps femoris. By flexing the hips and knees and lowering to the pedal frame, and then extending the hips, knees and flexing the ankles to straighten the knee joint, this movement not only strengthens the core muscles, but also improves the body's stability and coordination.
[0003] When using a traditional reverse leg press machine for training, if the user needs to increase the counterweight during the exercise to enhance the training effect, the training needs to be paused and the user has to get up to install and adjust the counterweight, and the operation process is rather inconvenient. Summary of the Utility Model
[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a reverse leg press machine. The technical problem to be solved by the present invention is that it is inconvenient to adjust the counterweight of the traditional reverse leg press machine.
[0005] To achieve the above object, the utility model provides the following technical solution: A reverse leg press machine includes a bottom frame, a sliding frame is fixedly connected to the top of the bottom frame, two sliding rods are fixedly connected to the inside of the sliding frame, an L-shaped plate is slidably sleeved outside the two sliding rods, two mounting seats are fixedly connected to the inside of the L-shaped plate, a limiting sleeve is fixedly sleeved inside each of the two mounting seats, a plug rod is slidably sleeved inside each of the two limiting sleeves, a screw rod is fixedly connected to one end of each of the two plug rods facing each other, a threaded sleeve is threadedly sleeved outside the two screw rods, a toothed ring is fixedly connected to the outside of the threaded sleeve, a driving motor is fixedly connected to the inside of the L-shaped plate, an output end of the driving motor is fixedly connected to a gear, and the gear meshes with the toothed ring. Two support frames are fixedly connected to the top of the bottom frame, a storage bin is fixedly connected to the top of each of the two support frames, a plurality of counterweight plates are placed inside each storage bin, and the counterweight plates are movably sleeved inside the plug rods. An electromagnetic spring plug is fixedly connected to the inside of each of the two plug rods, and a socket is opened inside each counterweight plate, and the electromagnetic spring plug is adapted to the socket.
[0006] Such as Figures 1-3As shown, the specific implementation method is as follows: By starting the drive motor to drive the gear to rotate, then driving the threaded sleeve to rotate through the engaged toothed ring, and then making the two screw rods expand and contract under the action of the thread, thereby driving the insertion rod to slide inside the limit sleeve. When the insertion rod extends to the corresponding length, by starting the electromagnetic spring pin, the movable pin can be inserted into the corresponding socket, so that different numbers of counterweight plates can be switched, and it is convenient for fitness enthusiasts to quickly and easily adjust the training intensity.
[0007] A backrest bracket is fixedly connected to the top of the chassis, and a backrest board is fixedly connected to the side of the backrest bracket facing the sliding frame, and a seat board is fixedly connected to the inside of the sliding frame;
[0008] In a preferred implementation, a backrest pad is fixedly connected to the side of the backrest board facing the sliding frame, and a seat cushion is fixedly connected to the top of the seat board.
[0009] By providing the backrest pad and the seat cushion, it can make the fitness enthusiast use more comfortably.
[0010] In a preferred implementation, a plurality of limit blocks are fixedly connected to the inside of the storage bin, and limit ports are opened inside each of the plurality of counterweight plates, and the limit ports are adapted to the limit blocks.
[0011] Through the cooperation of the provided limit ports and limit blocks, the counterweight plates can be stored more stably in the storage bin, so that the sockets correspond to the electromagnetic spring pins.
[0012] In a preferred implementation, an anti-slip pad is fixedly connected to the side of the L-shaped plate facing the backrest pad.
[0013] By providing the anti-slip pad, it can prevent the fitness enthusiast from slipping when using.
[0014] In a preferred implementation, two armrests are fixedly connected to the top of the sliding frame, and the two armrests are located on both sides of the seat cushion.
[0015] By providing the armrests, it can make it more convenient for the fitness enthusiast to use.
[0016] In a preferred implementation, a mounting rod is rotatably connected to the top of the backrest bracket, a controller is fixedly connected to the end of the mounting rod away from the backrest bracket, and both the electromagnetic spring pin and the drive motor are electrically connected to the controller.
[0017] By providing the controller, it can facilitate the fitness enthusiast to adjust the fitness intensity.
[0018] The technical effects and advantages of the present utility model:
[0019] By starting the drive motor to drive the gear to rotate, then driving the threaded sleeve to rotate through the meshing gear ring, and then making the two screw rods extend and retract under the action of the thread, thereby driving the insertion rod to slide inside the limit sleeve. When the insertion rod extends to the corresponding length, by starting the electromagnetic spring pin, the movable pin can be inserted into the corresponding socket, so as to realize switching of different numbers of counterweight plates, and thus facilitate the fitness enthusiast to quickly and conveniently adjust the training intensity. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.
[0021] Figure 2 It is a schematic diagram of the internal structure of the L-shaped plate of the present utility model.
[0022] Figure 3 It is a schematic diagram of the internal structure of the storage bin of the present utility model.
[0023] Reference numerals are: 1, chassis; 2, sliding frame; 3, sliding rod; 4, L-shaped plate; 5, mounting seat; 6, limit sleeve; 7, screw rod; 8, threaded sleeve; 9, gear ring; 10, drive motor; 11, gear; 12, electromagnetic spring pin; 13, support frame; 14, storage bin; 15, counterweight plate; 16, limit block; 17, limit port; 18, socket; 19, backrest support; 20, backrest plate; 21, seat plate; 22, armrest; 23, cushion; 24, mounting rod; 25, controller; 26, back pad; 27, insertion rod; 28, anti-slip pad. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0025] The utility model provides a reverse pedaling leg press, which includes a chassis 1. The top of the chassis 1 is fixedly connected with a sliding frame 2. Two sliding rods 3 are fixedly connected inside the sliding frame 2. An L-shaped plate 4 is slidably sleeved outside the two sliding rods 3. Two mounting seats 5 are fixedly connected inside the L-shaped plate 4. Two limiting sleeves 6 are fixedly sleeved inside the two mounting seats 5. Two inserting rods 27 are slidably sleeved inside the two limiting sleeves 6. One end of the two inserting rods 27 facing each other is fixedly connected with a screw rod 7. A threaded sleeve 8 is threadedly sleeved outside the two screw rods 7. A toothed ring 9 is fixedly connected to the outside of the threaded sleeve 8. A driving motor 10 is fixedly connected inside the L-shaped plate 4. The output end of the driving motor 10 is fixedly connected with a gear 11, and the gear 11 meshes with the toothed ring 9. Two support frames 13 are fixedly connected to the top of the chassis 1. A storage bin 14 is fixedly connected to the top of each of the two support frames 13. A plurality of counterweight plates 15 are placed inside each storage bin 14, and the counterweight plates 15 are movably sleeved inside the inserting rods 27. An electromagnetic spring latch 12 is fixedly connected to the inside of each of the two inserting rods 27. Sockets 18 are formed inside the counterweight plates 15, and the electromagnetic spring latch 12 is adapted to the sockets 18.
[0026] As Figures 1-3 shown, the specific implementation method is as follows: By starting the driving motor 10, the gear 11 is driven to rotate. Then, the threaded sleeve 8 is driven to rotate through the meshing toothed ring 9. After that, under the action of the thread, the two screw rods 7 are telescoped, so as to drive the inserting rods 27 to slide inside the limiting sleeves 6. When the inserting rods 27 extend to the corresponding length, by starting the electromagnetic spring latch 12, the movable latch can be inserted into the corresponding sockets 18, so that different numbers of counterweight plates 15 can be switched, and then it is convenient for fitness enthusiasts to quickly and conveniently adjust the training intensity.
[0027] A backrest support 19 is fixedly connected to the top of the chassis 1. A backrest plate 20 is fixedly connected to the side of the backrest support 19 facing the sliding frame 2. A seat plate 21 is fixedly connected inside the sliding frame 2;
[0028] A backrest pad 26 is fixedly connected to the side of the backrest plate 20 facing the sliding frame 2. A seat cushion 23 is fixedly connected to the top of the seat plate 21.
[0029] As Figure 1 shown, the specific implementation method is as follows: By providing the backrest pad 26 and the seat cushion 23, it can make the fitness enthusiasts use it more comfortably.
[0030] A plurality of limiting blocks 16 are fixedly connected to the inside of the storage bin 14. Limiting openings 17 are formed inside the plurality of counterweight plates 15, and the limiting openings 17 are adapted to the limiting blocks 16.
[0031] As Figures 1-3As shown, the specific implementation is as follows: By the cooperation of the set limiting port 17 and the limiting block 16, the counterweight piece 15 can be stored more stably in the storage bin 14, so that the socket 18 corresponds to the electromagnetic spring bolt 12.
[0032] On the side of the L-shaped plate 4 facing the back cushion 26, a non-slip pad 28 is fixedly connected.
[0033] As Figure 1 shown, the specific implementation is as follows: By the set non-slip pad 28, it can be avoided that the fitness person slips when using.
[0034] At the top of the sliding frame 2, two armrests 22 are fixedly connected, and the two armrests 22 are located on both sides of the seat cushion 23.
[0035] As Figure 1 shown, the specific implementation is as follows: By the set armrests 22, it can be more convenient for the fitness person to use.
[0036] At the top of the backrest bracket 19, a mounting rod 24 is rotatably connected. One end of the mounting rod 24 away from the backrest bracket 19 is fixedly connected with a controller 25, and both the electromagnetic spring bolt 12 and the drive motor 10 are electrically connected to the controller 25.
[0037] As Figure 1 shown, the specific implementation is as follows: By the set controller 25, it can be convenient for the fitness person to adjust the fitness intensity.
[0038] The working principle of the present utility model:
[0039] When it is necessary to adjust the number of the counterweight pieces 15, first start the drive motor 10 to drive the gear 11 to rotate, then drive the threaded sleeve 8 to rotate through the meshing tooth ring 9, and then under the action of the thread, the two screw rods 7 expand and contract, so as to drive the insertion rod 27 to slide inside the limiting sleeve 6. When the insertion rod 27 extends to the corresponding length, start the electromagnetic spring bolt 12 so that the movable pin can be inserted into the corresponding socket 18, thereby realizing the switching of different numbers of counterweight pieces 15, and then facilitating the fitness person to quickly and conveniently adjust the training intensity.
[0040] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, and can also be the communication inside two components. It can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the described object changes, the relative position relationship may change;
[0041] Secondly: In the accompanying drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0042] Finally: The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A reverse leg kicker, comprising a base frame (1), characterized in that: The top of the base frame (1) is fixedly connected to a sliding frame (2), the interior of the sliding frame (2) is fixedly connected to two sliding rods (3), the exteriors of the two sliding rods (3) are slidably sleeved with an L-plate (4), the interior of the L-plate (4) is fixedly connected to two mounting seats (5), the interiors of the two mounting seats (5) are fixedly sleeved with a limiting sleeve (6), the interiors of the two limiting sleeves (6) are slidably sleeved with an insert rod (27), the opposite ends of the two insert rods (27) are fixedly connected to a screw rod (7), the exteriors of the two screw rods (7) are threadedly sleeved with a threaded sleeve (8), the exteriors of the threaded sleeves (8) are fixedly connected to a gear ring (9), the interior of the L-plate (4) is ... limiting sleeves (6) are fixedly sleeved with a limiting sleeve (27), the interiors of the two limiting sleeves (6) are fixedly sleeved with a limiting sleeve (8), the exteriors of the two limiting sleeves (8) are fixedly connected to a gear ring (9), the interior of the L-plate (4) is fixedly sleeved with a limiting sleeve (6), the interiors of the two limiting sleeves (6) are fixedly sleeved with a limiting sleeve (27), the interiors of the two limiting sleeves (6) are fixedly sleeved with a limiting sleeve (8), the exteriors of the two limiting sleeves ( A driving motor (10) is fixedly connected to the bottom frame (1), the output end of the driving motor (10) is fixedly connected to a gear (11), and the gear (11) meshes with a gear ring (9); the top of the bottom frame (1) is fixedly connected to two supporting frames (13), the tops of the two supporting frames (13) are fixedly connected to a storage bin (14), a plurality of counterweight plates (15) are placed inside the storage bin (14), and the counterweight plates (15) are movably sleeved inside the insertion rod (27); the insides of the two insertion rods (27) are fixedly connected to an electromagnetic spring latch (12), the insides of the counterweight plates (15) are provided with a socket (18), and the electromagnetic spring latch (12) is adapted to fit the socket (18).
2. The inverted leg kicker according to claim 1, characterized in that: A backrest bracket (19) is fixedly connected to the top of the base frame (1), a backrest bracket (20) is fixedly connected to the side of the backrest bracket (19) facing the sliding frame (2), and a seat plate (21) is fixedly connected to the inside of the sliding frame (2); A back cushion (26) is fixedly connected to the side of the backrest (20) facing the sliding frame (2), and a seat cushion (23) is fixedly connected to the top of the seat plate (21).
3. The inverted leg kicker according to claim 1, characterized in that: A plurality of limit blocks (16) are fixedly connected to the interior of the storage bin (14), and a plurality of the weight plates (15) are each provided with a limit opening (17) therein, and the limit opening (17) is adapted to fit the limit blocks (16).
4. The inverted leg kicker according to claim 1, characterized in that: A non-slip pad (28) is fixedly connected to the side of the L-plate (4) facing the back pad (26).
5. The inverted leg kicker according to claim 1, characterized in that: Two armrests (22) are fixedly connected to the top of the sliding frame (2), and the two armrests (22) are located on both sides of the seat cushion (23).
6. The inverted leg kicker according to claim 2, characterized in that: The top of the backrest bracket (19) is rotatably connected to a mounting rod (24), one end of the mounting rod (24) away from the backrest bracket (19) is fixedly connected to a controller (25), and the electromagnetic spring latch (12) and the drive motor (10) are both electrically connected to the controller (25).