Body-building auxiliary device
By designing fitness assistance devices, the automatic limit-fixed grip rod is achieved using parts such as lifting boxes, piston plates, and magnetic blocks, which solves the problem of the handle falling off due to hand slipping of the high-tension back muscle trainer, and improves the safety of training.
Patent Information
- Application Number
- CN202411626799.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-02-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the stretching and falling process of the existing high-tension back muscle training device, due to the large reaction force, it is easy to fall off the handle due to the slippery hand of the trainer, which brings hidden dangers to the safety of the trainer.
A fitness auxiliary device is designed, including lifting box, piston plate, magnetic block, return spring and downward spring. Through the mutual cooperation of these components, the automatic limit fixing of the grip rod during the stretching and falling process is realized. Avoid safety hazards caused by force loss.
It effectively avoids the grip rod falling off due to arm distortion, improves the safety of training, and reduces the risk of muscle strain caused by hand distortion.
Smart Images
Figure CN119406025A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of fitness equipment, and in particular to a fitness auxiliary device. Background Art
[0002] With the improvement of people's health awareness, the importance of fitness has been paid attention to, and various fitness methods have become more and more popular. Usually some students study and work for a long time, and often maintain the same sitting posture. In addition, the posture is incorrect and the study intensity is high, which inevitably causes back muscle soreness and muscle fatigue, and then causes low back pain. In severe cases, it can cause symptoms such as back muscle strain and lumbar disc herniation. The high-tension back muscle trainer mainly exercises the latissimus dorsi, trapezius, deltoid and biceps, which can improve the strength of the back muscles, enhance the stretching force of the back muscles and abdominal muscle ligaments, strengthen the coordination and cooperation ability of the small back muscle groups, increase the flexibility and flexibility of the back muscles, and effectively improve the exercise endurance of the spine.
[0003] In the process of stretching and falling back, the existing high-tension back muscle trainer for fitness can easily cause the handle to fall off due to the large reaction force caused by the trainer's hand slipping, etc., which brings certain hidden dangers to the trainer's safety. Summary of the invention
[0004] The present invention provides a fitness auxiliary device to solve the problems raised in the above background technology.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A fitness auxiliary device comprises a bottom plate, a fixing column is fixedly connected to the upper side of the bottom plate, a top plate is fixedly connected to the upper end of the fixing column, a sliding plate and a lifting plate are slidably connected to the fixing column, a compression spring is fixedly connected between the sliding plate and the lifting plate, the compression spring is sleeved and connected to the fixing column, a threaded lifting device is provided on the lifting plate, a fixing plate is fixedly connected to the side wall of the fixing column, a fixing cylinder is fixedly connected to one end of the fixing plate, a plurality of vertically equidistantly arranged jacks are provided on both side walls of the fixing cylinder, a lifting box is slidably connected to the fixing cylinder, and the upper side of the lifting box is fixedly connected There is a fixing rod, the upper end of which is fixedly connected to the bottom side wall of the sliding plate, a magnetic limit device is provided on the outer side wall of the lifting box, a piston plate is vertically slidably connected in the lifting box, a downward pressure spring is fixedly connected between the piston plate and the inner upper side wall of the lifting box, a connecting column is fixedly connected to the bottom side wall of the lifting box, the connecting column is communicated with the inner bottom side wall of the lifting box, a holding rod is fixedly connected to the bottom end of the connecting column, a liquid storage cavity is opened in the holding rod, the bottom end of the connecting column is communicated with the liquid storage cavity, the liquid storage cavity and the connecting column are filled with pressure-conducting liquid, and a holding and pressing liquid-pushing device is provided on the side wall of the liquid storage cavity.
[0006] Preferably, the threaded lifting device includes a threaded rod, the bottom end of the threaded rod is rotatably connected to the upper side of the bottom plate, the upper end of the threaded rod is rotatably connected to the bottom side wall of the top plate, the lifting plate is threadedly connected to the threaded rod, and a shaking device is provided at the bottom of the threaded rod.
[0007] Preferably, the shaking device includes a horizontal plate, which is fixedly connected to the upper side of the base plate, a rotating shaft is fixedly connected to the side wall of the horizontal plate, an L-shaped handle is fixedly connected to one end of the rotating shaft, a second bevel gear is fixedly connected to the rotating shaft, a first bevel gear is meshedly connected to the side wall of the second bevel gear, and the first bevel gear is fixedly connected to the side wall of the threaded rod.
[0008] Preferably, the magnetic limit device includes two mounting hole grooves, and the two mounting hole grooves are respectively opened on the two side walls of the lifting box, and each mounting hole groove is slidably connected with an insertion block, and a return spring is fixedly connected between one end of the insertion block and the bottom side of the mounting hole groove, and the other end of the insertion block extends out of the mounting hole groove and enters into the corresponding socket, and magnetic blocks are fixedly connected on both sides of the upper side of the piston plate.
[0009] Preferably, the insert block is made of iron, and the magnetic block is a neodymium iron boron magnet.
[0010] Preferably, the gripping and pressing liquid pushing device includes a squeezing plate, which is slidably connected in the liquid storage chamber, and the cross-section of the squeezing plate is the same as that of the liquid storage chamber. A plurality of push rods are fixedly connected to the side wall of the squeezing plate, and the plurality of push rods all penetrate the side wall of the liquid storage chamber and are fixedly connected to a pressure plate.
[0011] Preferably, the pressing plate is arranged in an arc-shaped plate shape, and the arc of the pressing plate is the same as the arc of the surface of the gripping rod.
[0012] Preferably, a seat is fixedly connected to the upper side of the base plate, and the holding rod is located directly above the seat.
[0013] Preferably, the steps of using the fitness auxiliary device are: The first step is that before use, when the user needs to adjust the resistance of the grip rod to be pulled down, the user can grab the L-shaped handle to drive the second bevel gear to rotate through the rotating shaft. The rotation of the second bevel gear can drive the threaded rod to rotate through the first bevel gear. The forward and reverse rotation of the threaded rod can drive the lifting plate to rise and fall, thereby adjusting the compression degree of the compression spring. The resistance of the grip rod to be pulled down is adjusted by adjusting the compression degree of the compression spring. The second step is that when the user uses it, he first sits on the seat, and then holds the holding rod with both hands. When holding the holding rod, the pressure plate will move and fit on the side wall of the holding rod under the action of the gripping force. The movement of the pressure plate can drive the extrusion plate to squeeze the pressure-conducting liquid in the liquid storage chamber through the push rod. The pressure-conducting liquid then enters the lifting box through the connecting column to squeeze and push the piston plate upward until the two magnetic blocks on the upper side of the piston plate are close to one side of the two plug-in blocks respectively. At this time, the plug-in block will leave the plug hole and enter the installation hole groove under the magnetic attraction of the magnetic block. After that, the user can hold the holding rod and pull it downward to drive the compression spring to compress downward, thereby realizing arm strength training; The third step is that when the user's arm loses strength and he cannot hold the holding rod, the downward pressure spring in the piston plate will extend and drive the piston plate downward, so that the two magnetic blocks on the side wall of the piston plate move away. After that, the two plug blocks will extend out of the mounting hole slots and enter the corresponding plug holes under the extension and reset action of the reset spring, limiting and fixing the lifting box to prevent the holding rod from straining the muscles due to weakness.
[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention is reasonably designed. By arranging the lifting box, the piston plate, the magnetic block, the return spring, the downward pressure spring and other components to cooperate with each other, during the stretching and falling process, after the holding rod is released from the hand, the holding rod will be immediately limited and fixed, avoiding the safety hazard caused by the loss of force.
[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 A schematic diagram of the three-dimensional structure of a fitness auxiliary device proposed by the present invention; Figure 2 This is a schematic diagram of a front cross-sectional structure of a fitness auxiliary device proposed by the present invention; Figure 3 for Figure 2 A is a schematic diagram of the partially enlarged structure of the middle part; Figure 4 for Figure 2 Schematic diagram of the partially enlarged structure of B.
[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Threaded rod; 2. Compression spring; 3. Lifting plate; 4. Fixed plate; 5. Fixed column; 6. First bevel gear; 7. L-shaped handle; 8. Bottom plate; 9. Horizontal plate; 10. Second bevel gear; 11. Seat; 12. Pressing plate; 13. Holding rod; 14. Connecting column; 15. Fixed cylinder; 16. Plug hole; 17. Fixed rod; 18. Sliding plate; 19. Top plate; 20. Rotating shaft; 21. Liquid storage chamber; 22. Extrusion plate; 23. Push rod; 24. Lifting box; 25. Piston plate; 26. Magnetic block; 27. Reset spring; 28. Down-pressing spring; 29. Insert block; 30. Mounting hole groove. DETAILED DESCRIPTION
[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.
[0019] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0021] See also Figures 1 to 3In an embodiment of the present invention, a fitness auxiliary device includes a bottom plate 8, a fixed column 5 is fixedly connected to the upper side of the bottom plate 8, a top plate 19 is fixedly connected to the upper end of the fixed column 5, a sliding plate 18 and a lifting plate 3 are slidably connected to the fixed column 5, a compression spring 2 is fixedly connected between the sliding plate 18 and the lifting plate 3, the compression spring 2 is sleeved and connected to the fixed column 5, a threaded lifting device is provided on the lifting plate 3, a fixed plate 4 is fixedly connected to the side wall of the fixed column 5, a fixed cylinder 15 is fixedly connected to one end of the fixed plate 4, a plurality of vertically equidistantly arranged jacks 16 are provided on both side walls of the fixed cylinder 15, a lifting box 24 is slidably connected in the fixed cylinder 15, a fixed rod 17 is fixedly connected to the upper side of the lifting box 24, and the upper end of the fixed rod 17 is fixedly connected to A magnetic limiting device is provided on the outer wall of the lifting box 24, and is connected to the bottom side wall of the sliding plate 18. A piston plate 25 is vertically slidably connected inside the lifting box 24. A downward pressure spring 28 is fixedly connected between the piston plate 25 and the inner upper side wall of the lifting box 24. A connecting column 14 is fixedly connected to the bottom side wall of the lifting box 24. The connecting column 14 is communicated with the inner bottom side wall of the lifting box 24. A holding rod 13 is fixedly connected to the bottom end of the connecting column 14. A liquid storage chamber 21 is provided in the holding rod 13. The bottom end of the connecting column 14 is communicated with the liquid storage chamber 21. The liquid storage chamber 21 and the connecting column 14 are both filled with pressure-conducting liquid. A gripping and liquid-pushing device is provided on the side wall of the liquid storage chamber 21. A seat 11 is fixedly connected to the upper side of the bottom plate 8, and the holding rod 13 is located directly above the seat 11.
[0022] Specifically, the threaded lifting device includes a threaded rod 1, the bottom end of the threaded rod 1 is rotatably connected to the upper side of the bottom plate 8, the upper end of the threaded rod 1 is rotatably connected to the bottom side wall of the top plate 19, the lifting plate 3 is threadedly connected to the threaded rod 1, and a shaking device is provided at the bottom of the threaded rod 1, and the shaking device includes a transverse plate 9, the transverse plate 9 is fixedly connected to the upper side of the bottom plate 8, a rotating shaft 20 is fixedly connected to the side wall of the transverse plate 9, one end of the rotating shaft 20 is fixedly connected to the L-shaped handle 7, a second bevel gear 10 is fixedly connected to the rotating shaft 20, the side wall of the second bevel gear 10 is meshed with a first bevel gear 6, and the first bevel gear 6 is fixedly connected to the side wall of the threaded rod 1.
[0023] Specifically, the magnetic limit device includes two mounting hole grooves 30, and the two mounting hole grooves 30 are respectively opened on the two side walls of the lifting box 24. An insert block 29 is slidably connected in each mounting hole groove 30, and a return spring 27 is fixedly connected between one end of the insert block 29 and the bottom side of the mounting hole groove 30. The other end of the insert block 29 extends out of the mounting hole groove 30 and enters into the corresponding socket 16. Magnetic blocks 26 are fixedly connected to both sides of the upper side of the piston plate 25. The insert block 29 is made of iron, and the magnetic block 26 is a neodymium iron boron magnet.
[0024] Specifically, the gripping and pressing liquid pushing device includes a squeezing plate 22, which is slidably connected in the liquid storage chamber 21. The cross-section of the squeezing plate 22 is the same as that of the liquid storage chamber 21. A plurality of pushing rods 23 are fixedly connected to the side wall of the squeezing plate 22. The plurality of pushing rods 23 all penetrate the side wall of the liquid storage chamber 21 and are fixedly connected to a pressure plate 12. The pressure plate 12 is arranged in an arc-shaped plate shape, and the arc of the pressure plate 12 is the same as the surface curvature of the holding rod 13.
[0025] The steps for using the fitness auxiliary device are as follows: The first step is that before use, when the user needs to adjust the resistance of the gripping rod 13 to be pulled down, the user can grab the L-shaped handle 7 and drive the second bevel gear 10 to rotate through the rotating shaft 20. The rotation of the second bevel gear 10 can drive the threaded rod 1 to rotate through the first bevel gear 6. The forward and reverse rotation of the threaded rod 1 can drive the lifting plate 3 to be lifted and lowered, thereby adjusting the compression degree of the compression spring 2. The resistance of the gripping rod 13 to be pulled down is adjusted by adjusting the compression degree of the compression spring 2; In the second step, when the user uses it, he first sits on the seat 11, and then holds the holding rod 13 with both hands. When holding the holding rod 13, the pressure plate 12 will move and fit on the side wall of the holding rod 13 under the action of the gripping force. The movement of the pressure plate 12 can drive the extrusion plate 22 to squeeze the pressure-conducting liquid in the liquid storage chamber 21 through the push rod 23. The pressure-conducting liquid then enters the lifting box 24 through the connecting column 14 to squeeze and push the piston plate 25 upward until the two magnetic blocks 26 on the upper side of the piston plate 25 are respectively close to one side of the two plug blocks 29. At this time, the plug block 29 will leave the socket 16 and enter the mounting hole groove 30 under the magnetic attraction of the magnetic block 26. After that, the user can hold the holding rod 13 and pull it downward to drive the compression spring 2 to compress downward, thereby achieving arm strength training; In the third step, when the user's arm loses strength and he cannot hold the holding rod 13, the downward pressure spring 28 in the piston plate 25 will extend and drive the piston plate 25 downward, so that the two magnetic blocks 26 on the side wall of the piston plate 25 move away. Then, the two plug blocks 29 will extend out of the mounting hole slots 30 and enter the corresponding plug holes 16 under the extension and reset action of the reset spring 27, thereby limiting and fixing the lifting box 24 to prevent the user from pulling the muscles of the holding rod 13 due to weakness.
[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.
Claims
1. A fitness auxiliary device, comprising a base plate (8), characterized in that: A fixing column (5) is fixedly connected to the upper side of the bottom plate (8), and a top plate (19) is fixedly connected to the upper end of the fixing column (5). A sliding plate (18) and a lifting plate (3) are slidably connected to the fixing column (5). A compression spring (2) is fixedly connected between the sliding plate (18) and the lifting plate (3), and the compression spring (2) is sleeved and connected to the fixing column (5). A threaded lifting device is provided on the lifting plate (3). A fixing plate (4) is fixedly connected to the side wall of the fixing column (5), and a fixing cylinder (15) is fixedly connected to one end of the fixing plate (4). A plurality of jacks (16) arranged vertically and equidistantly are provided on both side walls of the fixing cylinder (15). A lifting box (24) is slidably connected to the inside of the fixing cylinder (15), and a fixing rod (17) is fixedly connected to the upper side of the lifting box (24). The upper end of the lifting box (17) is fixedly connected to the bottom side wall of the sliding plate (18), and a magnetic limit device is provided on the outer side wall of the lifting box (24). A piston plate (25) is vertically slidably connected inside the lifting box (24), and a downward pressure spring (28) is fixedly connected between the piston plate (25) and the inner upper side wall of the lifting box (24). A connecting column (14) is fixedly connected to the bottom side wall of the lifting box (24), and the connecting column (14) is connected to the inner bottom side wall of the lifting box (24). The bottom end of the connecting column (14) is fixedly connected to a holding rod (13), and a liquid storage chamber (21) is provided in the holding rod (13). The bottom end of the connecting column (14) is connected to the liquid storage chamber (21), and the liquid storage chamber (21) and the connecting column (14) are both filled with pressure-conducting liquid, and a holding and pressing liquid pushing device is provided on the side wall of the liquid storage chamber (21).
2. A fitness auxiliary device according to claim 1, characterized in that: The threaded lifting device comprises a threaded rod (1), the bottom end of the threaded rod (1) is rotatably connected to the upper side of the bottom plate (8), the upper end of the threaded rod (1) is rotatably connected to the bottom side wall of the top plate (19), the lifting plate (3) is threadedly connected to the threaded rod (1), and a shaking device is provided at the bottom of the threaded rod (1).
3. A fitness auxiliary device according to claim 2, characterized in that: The shaking device comprises a horizontal plate (9), wherein the horizontal plate (9) is fixedly connected to the upper side of the bottom plate (8), a rotating shaft (20) is fixedly connected to the side wall of the horizontal plate (9), an L-shaped handle (7) is fixedly connected to one end of the rotating shaft (20), a second bevel gear (10) is fixedly connected to the rotating shaft (20), a first bevel gear (6) is meshingly connected to the side wall of the second bevel gear (10), and the first bevel gear (6) is fixedly connected to the side wall of the threaded rod (1).
4. A fitness auxiliary device according to claim 3, characterized in that: The magnetic limiting device comprises two mounting hole grooves (30), the two mounting hole grooves (30) are respectively opened on the two side walls of the lifting box (24), each mounting hole groove (30) is slidably connected with an insert block (29), a return spring (27) is fixedly connected between one end of the insert block (29) and the bottom side of the mounting hole groove (30), the other end of the insert block (29) extends out of the mounting hole groove (30) and enters into the corresponding plug hole (16), and the upper sides of the piston plate (25) are fixedly connected with magnetic blocks (26).
5. A fitness auxiliary device according to claim 4, characterized in that: The insert block (29) is made of iron, and the magnetic block (26) is a neodymium iron boron magnet.
6. A fitness auxiliary device according to claim 5, characterized in that: The gripping and pressing liquid pushing device comprises a squeezing plate (22), the squeezing plate (22) being slidably connected in the liquid storage chamber (21), the cross section of the squeezing plate (22) being the same as that of the liquid storage chamber (21), a plurality of pushing rods (23) being fixedly connected to the side wall of the squeezing plate (22), the plurality of pushing rods (23) all passing through the side wall of the liquid storage chamber (21) and being fixedly connected to the pressing plate (12) together.
7. A fitness auxiliary device according to claim 6, characterized in that: The pressing plate (12) is arranged in the shape of an arc plate, and the arc of the pressing plate (12) is the same as the arc of the surface of the gripping rod (13).
8. A fitness auxiliary device according to claim 7, characterized in that: The upper side of the bottom plate (8) is fixedly connected to a seat (11), and the gripping rod (13) is located directly above the seat (11).
9. A fitness auxiliary device according to claim 8, characterized in that: The steps for using the fitness auxiliary device are as follows: The first step is that before use, when the user needs to adjust the resistance of the gripping rod (13) to be pulled down, the user can grasp the L-shaped handle (7) and drive the second bevel gear (10) to rotate through the rotating shaft (20). The rotation of the second bevel gear (10) can drive the threaded rod (1) to rotate through the first bevel gear (6). The forward and reverse rotation of the threaded rod (1) can drive the lifting plate (3) to be lifted and lowered, thereby adjusting the compression degree of the compression spring (2). The resistance of the gripping rod (13) to be pulled down is adjusted by adjusting the compression degree of the compression spring (2); In the second step, when the user uses the device, he first sits on the seat (11), and then holds the holding rod (13) with both hands. When holding the holding rod (13), the pressure plate (12) moves and fits on the side wall of the holding rod (13) under the action of the gripping force. The movement of the pressure plate (12) can drive the extrusion plate (22) to squeeze the pressure-conducting liquid in the liquid storage chamber (21) through the push rod (23). The pressure-conducting liquid then enters the lifting box (24) through the connecting column (14) to be squeezed upward to push the piston plate (25) until the two magnetic blocks (26) on the upper side of the piston plate (25) are respectively close to one side of the two plug blocks (29). At this time, the plug block (29) will leave the plug hole (16) and enter the installation hole groove (30) under the magnetic attraction of the magnetic block (26). Then, the user can hold the holding rod (13) and pull it downward to drive the compression spring (2) to compress downward, thereby achieving arm strength training; In the third step, when the user loses strength in his arms and cannot hold the holding rod (13), the downward pressing spring (28) in the piston plate (25) will extend to drive the piston plate (25) downward, so that the two magnetic blocks (26) on the side wall of the piston plate (25) move away from each other. Then, under the extension and reset action of the reset spring (27), the two plug blocks (29) will extend out of the mounting hole slots (30) and enter into the corresponding plug holes (16), thereby limiting and fixing the lifting box (24) to prevent the user from losing strength and causing muscle strain on the holding rod (13).