A bearing seat structure and training equipment

By using a combination of high-strength alloy steel material and damping liquid in the bearing seat structure, the wear problem of bearing seat structure under high-strength training load is solved, and an adjustable damping function is provided, achieving flexible adjustment of equipment stability and training strength.

CN119778387BActive Publication Date: 2025-05-09LIUYUE (SHANGHAI) TECH CO LTD
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Patent Information

Application Number
CN202510281054.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2025-05-09
Estimated Expiration
2045-03-11

AI Technical Summary

Technical Problem

In the prior art, when facing long-term and high-strength training loads, the bearing seat structure is insufficient in strength and is prone to wear, resulting in a reduction in rotational smoothness and a decrease in coordination accuracy, which affects the stability and service life of the equipment. In addition, existing training equipment lacks a damping structure and cannot adjust the training intensity according to the user's physical condition and training goals.

Method used

The shaft sleeve and bearing seat are made of high-strength alloy steel, and damping liquid is hollowly stored inside the bearing seat. Multiple through holes are opened on the outer wall so that the damping liquid can enter between the bearing seat and the bearing sleeve, providing a damping effect. Adjust the damping force of the sleeve by adjusting the amount of damping fluid, thereby adjusting the training intensity.

Benefits of technology

The stability and durability of the bearing seat structure are achieved, ensuring the long-term operation and safety of the equipment, and at the same time, it provides an adjustable damping function, which can adjust the training intensity according to the needs of different users, improving the training effect.

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Abstract

The present invention discloses a bearing seat structure and a training device. The bearing seat structure includes a support pivot, and a connecting block at its end fixes the bearing seat. The outer wall of the bearing seat is rotatably connected to the sleeve, and a sealing member and an adjusting member are provided on the side wall. The training device includes a plate body, and one side of the bottom end of the plate body is rotatably connected to a first inclined rod, and the inclined rod is provided with a fixing assembly, and works in coordination with a linkage rod, a connecting rod and a pedal assembly. The sleeve and the bearing seat are made of high-strength alloy steel to ensure structural strength. The inside of the bearing seat is hollow and filled with damping fluid, and a through hole is opened on the outer wall. The sleeve fits tightly with the inner wall of the bearing seat, and a replaceable sealing member is used to prevent leakage of the damping fluid, thereby ensuring stability and durability. In the adjusting member, the damping fluid push rod is threadedly connected to the bearing seat seal, and pushes the damping hydraulic block when rotating to adjust the amount of damping fluid entering between the sleeve and the bearing seat, thereby achieving training intensity adjustment. The support pivot, the connecting block and other components cooperate with each other to facilitate equipment assembly, maintenance, storage and adjustment.
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Description

Technical Field

[0001] The invention relates to the field of bearing seats, in particular to a bearing seat structure and a training device. Background Art

[0002] In terms of shaft connection in the prior art, traditional methods mostly use simple direct socketing or rely on a large number of bolts to tighten the connection. In actual use, it is difficult to ensure the coaxiality between the shaft and the connecting parts, which can easily cause shaking and noise during equipment operation. Long-term use will also aggravate component wear, seriously affecting the stability and service life of the equipment.

[0003] On the one hand, there are many problems that need to be solved in terms of the stability of the rotating structure and the damping function. In the rotating structure, traditional bushings and bearing seats are mostly made of ordinary metal materials, such as common carbon steel. When facing long-term, high-intensity training loads, these materials have strength shortcomings. Under frequent friction and pressure, the surface of the bushing is prone to scratches, peeling and other wear phenomena, which reduces the smoothness of rotation. The matching accuracy between the bushing and the bearing seat also decreases, seriously affecting the stability of the equipment operation. Once excessive wear occurs, it will cause component damage and bring safety hazards.

[0004] On the other hand, in terms of damping function, most of the existing training equipment has hardly considered the damping structure in its design, which makes it impossible for users to reasonably adjust the training intensity according to their own physical condition, training goals and training progress during training. For fitness novices and professional athletes, the training intensity they need varies greatly. However, equipment without damping adjustment function cannot meet such diverse needs, which greatly limits the training effect and makes it difficult to give full play to the value of the training equipment. Summary of the invention

[0005] In view of the deficiencies in the prior art, an object of the present invention is to provide a bearing seat structure and a training device.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a bearing seat structure, including a support pivot, a threaded hole is opened at the end of the support pivot, a connecting block is connected to the inner thread of the threaded hole, a bearing seat is fixed to the end of the connecting block, the outer wall of the bearing seat is rotatably connected to a shaft sleeve, and the side wall surface of the shaft sleeve is tightly fitted with the inner wall of the bearing seat;

[0007] A bearing seat seal is connected to the side wall surface of the bearing seat, and an adjusting member is arranged inside the bearing seat seal.

[0008] Furthermore, the interior of the bearing seat is hollow to form a cavity, and the cavity is used to store damping fluid. The outer wall of the bearing seat is provided with a plurality of through holes along the circumferential direction.

[0009] Furthermore, the adjusting part includes a damping liquid push rod, which is threadedly connected to the inside of the bearing seat seal, and one end of the damping liquid push rod extending to the bearing seat cavity is fixed with a damping hydraulic block, and a gasket is fixed to the end face of the damping hydraulic block, and the outer wall of the damping hydraulic block is tightly fitted with the inner wall of the cavity of the bearing seat.

[0010] Further, it includes a plate body, one side of the bottom end of the plate body is rotatably connected to a first oblique rod, the bottom end of the first oblique rod is provided with a first oblique rod fixing assembly, a linkage rod is rotatably connected in the first oblique rod, a linkage pivot is symmetrically fixed to the other end of the linkage rod away from the first oblique rod, a connecting rod is rotatably connected to the outer wall of the linkage pivot, the connecting rod is connected to the shaft sleeve on the support pivot, the support pivot is fixedly connected to the plate body, and a pedal assembly is fixed to the side wall surface of the connecting rod;

[0011] The plate body is rotatably connected to a side of the first oblique rod with an adjustment bracket, the top of the adjustment bracket is rotatably connected to a foot fixer, the bottom of the adjustment bracket is fixed with a connecting piece, the inside of the connecting piece is rotatably connected to an adjustment rod, and the outer wall of the adjustment rod is provided with a rod fixing assembly;

[0012] A strip-shaped through slot is formed at one end of the plate away from the adjustment bracket, a sliding member is slidably connected inside the strip-shaped through slot, a knob is provided at the connection between the sliding member and the plate, a rotating member is rotatably connected inside the sliding member, and a back plate is fixed on the side wall of the rotating member;

[0013] The other side of the plate away from the first oblique rod is rotatably connected to a second oblique rod, the bottom end of the second oblique rod is rotatably connected to a support block, a second oblique rod fixing piece is provided at the connection of the support block, and an angle adjustment component is fixed to the bottom end of the support block.

[0014] Furthermore, the first oblique rod fixing assembly includes a screw, which is fixed on the bottom end side wall of the first oblique rod, the outer wall of the screw is threadedly connected with the first oblique rod fixing piece, the outer side of the first oblique rod fixing piece is fixed with a polygonal plug rod, and the outer wall of the polygonal plug rod is provided with a fixing seat.

[0015] Furthermore, the pedal assembly includes a pedal bracket, which is fixed on the side wall surface of the connecting rod. A strip slide groove is provided inside the pedal bracket, and an I-shaped slider is slidably connected inside the strip slide groove. The inside of the I-shaped slider is rotatably connected to the pedal via a rotating shaft, and an I-shaped slider fixing piece is threadedly connected on the side wall of the I-shaped slider away from the pedal.

[0016] Furthermore, the pull rod fixing assembly includes a first pull rod frame, the outer wall of the first pull rod frame is slidably connected to the outer wall of the adjusting pull rod, a sliding rod is fixed inside the first pull rod frame, the sliding rod is connected to the strip slide groove on the adjusting pull rod, a second pull rod frame is provided on the outer wall on the other side of the first pull rod frame away from the connecting piece, a pull rod fixing piece is inserted into the interior of the second pull rod frame, the pull rod fixing piece passes through the second pull rod frame and extends to the interior of the adjusting pull rod, and a plurality of slots are provided inside the adjusting rod.

[0017] Furthermore, the knob includes a sliding support rod, which is fixed on the outer wall of the sliding part, a limiting protrusion is fixed on the outer wall of the sliding support rod, a fixing plate is inserted on the outer wall of the sliding support rod, a threaded protrusion is fixed on the end face of the sliding support rod passing through the fixing plate, the outer wall of the threaded protrusion is threadedly connected to the knob, a polygonal protrusion is fixed on the fixing plate, the polygonal protrusion is used to fix the rotating part after the angle is adjusted, and a polygonal slot for accommodating the fixing plate is provided on the plate body.

[0018] Furthermore, the angle adjustment assembly includes a turntable, which is fixed at the bottom end of the support block, and the bottom end of the turntable is rotatably connected to a turntable seat through a turntable rod and a bearing, a through hole is opened inside one side of the turntable, and a light rod is slidably connected inside the through hole, a card block is fixed to the top of the light rod, and a spring is sleeved on the outer wall of the light rod, and both ends of the spring are fixedly connected to the turntable and the card block respectively, and the turntable seat is located on the outer wall of the card block and has a plurality of card slots for inserting the card block.

[0019] The beneficial effects of the present invention are:

[0020] Stable rotating structure: The shaft sleeve and bearing seat are made of high-strength alloy steel to ensure structural strength. The bearing seat is hollow inside to store the damping fluid, and the outer wall is provided with multiple through holes to allow the damping fluid to enter between the bearing seat and the shaft sleeve to provide a damping effect. The side wall of the shaft sleeve fits tightly against the inner wall of the bearing seat to prevent leakage of the damping fluid. At the same time, the bearing seat seal can seal the damping fluid and can be replaced, thus ensuring the stability and durability of the equipment.

[0021] Adjustable damping function: The damping fluid push rod in the adjustment part is threadedly connected to the inside of the bearing seat seal. When it rotates, it drives the damping hydraulic block to move in the bearing seat cavity, and squeezes the damping fluid through the through hole into the space between the bearing seat and the sleeve. By adjusting the amount of damping fluid, the damping effect of the sleeve can be increased or decreased, thereby achieving effective adjustment of the training intensity.

[0022] Connection structure: The threaded hole at the end of the support pivot is threadedly connected to the connecting block, so that the bearing seat can be easily installed and disassembled from the support pivot, which is convenient for the assembly and maintenance of the equipment; the first oblique rod is connected to the bottom surface of the plate body through a bidirectional rotating shaft, and the first oblique rod fixing part can be moved on the screw by rotating the threaded sleeve, driving the polygonal plug rod to be inserted and pulled out from the fixing seat, thereby realizing the installation and disassembly of the first oblique rod and the fixing seat, which is convenient for the storage and adjustment of the training equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the present invention.

[0024] Figure 2 yes Figure 1 Left view connection structure details.

[0025] Figure 3 yes Figure 1 Detailed drawing of the connection structure of the middle support pivot and other components.

[0026] Figure 4 yes Figure 1 Detailed drawing of the bearing seat position connection structure.

[0027] Figure 5 yes Figure 2 Top view of the connection structure details of the mid-back panel.

[0028] Figure 6 yes Figure 2 Left view connection structure details.

[0029] Figure 7 yes Figure 6 Detailed diagram of the expanded connection structure.

[0030] Figure 8 yes Figure 6 Detailed view of the connection structure of the mid-angle adjustment component from the left.

[0031] Fig. 9 yes Figure 6 Detailed view of the top-down cross-sectional connection structure between the sliding support rod and the plate body.

[0032] Fig.10 yes Figure 6 A top-view cross-sectional connection structure detail diagram of the middle adjustment tie rod, the second tie rod frame and the tie rod fixing member.

[0033] Fig.11 yes Figure 7 A magnified detail of the connection structure at position A in the middle.

[0034] Fig.12 yes Figure 6 Detailed view of the right side cross-sectional connection structure of the first diagonal rod and the fixed seat.

[0035] Description of the accompanying drawings: 1, plate body, 2, first oblique rod, 3, linkage rod, 4, linkage pivot, 5, connecting rod, 6, support pivot, 61, connecting block, 62, bearing seat, 63, bushing, 64, bearing seat seal, 65, damping liquid push rod, 66, damping hydraulic block, 7, pedal bracket, 8, pedal, 9, adjustment bracket, 10, foot fixer, 11, connecting piece, 12, adjustment rod, 13, first rod Frame, 14, second pull rod frame, 15, pull rod fixing piece, 16, sliding piece, 17, sliding support rod, 18, knob, 19, rotating piece, 20, back plate, 21, screw, 22, first oblique rod fixing piece, 23, fixing seat, 24, second oblique rod, 25, support block, 26, second oblique rod fixing piece, 27, turntable, 28, turntable seat, 29, bare rod, 30, spring, 31, block, 32, fixing plate. DETAILED DESCRIPTION

[0036] The present invention will be further described below in conjunction with specific embodiments, and it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope limited by the appended claims of the application.

[0037] See also Figure 1-Figure 12 : It is a schematic diagram of the structure of the present invention, a bearing seat structure, including a support pivot 6, a threaded hole is opened at the end of the support pivot 6, a connecting block 61 is connected to the inner thread of the threaded hole, a bearing seat 62 is fixed to the end of the connecting block 61, the bearing seat 62 can be installed and removed from the support pivot 6 through the connecting block 61, the outer wall of the bearing seat 62 is rotatably connected with a sleeve 63, the sleeve 63 and the bearing seat 62 are both made of high-strength alloy steel, the interior of the bearing seat 62 is hollow to form a cavity, the cavity is used to store damping fluid, and the outer wall of the bearing seat 62 is opened with a plurality of through holes along the circumferential direction, the damping The liquid can enter between the bearing seat 62 and the sleeve 63 through the through hole, thereby providing a damping effect for the sleeve 63. The sleeve 63 can rotate on the bearing seat 62, and the side wall surface of the sleeve 63 is tightly fitted with the inner wall of the bearing seat 62, which can prevent the damping liquid from leaking during the rotation. A bearing seat seal 64 is connected to the side wall surface of the bearing seat 62. The bearing seat seal 64 can seal the damping liquid in the bearing seat 62 and can be replaced. An adjusting part is arranged inside the bearing seat seal 64, and the bearing seat seal 64 is used to provide support for the adjusting part.

[0038] The adjusting part includes a damping liquid push rod 65, which is threadedly connected to the inside of the bearing seat seal 64. During the rotation of the damping liquid push rod 65, it can move inside the bearing seat seal 64. During the movement, the damping liquid push rod 65 drives the damping hydraulic block 66 to move in the cavity inside the bearing seat. During the movement, the damping liquid is squeezed into between the bearing seat 62 and the shaft sleeve 63 through the through hole. The damping liquid push rod 65 extends to one end of the cavity of the bearing seat 62, and a damping hydraulic block 66 is fixed thereto. A gasket is fixed to the end face of the damping hydraulic block 66, and the outer wall of the damping hydraulic block 66 is tightly fitted with the inner wall of the cavity of the bearing seat 62.

[0039] The training apparatus comprises a plate body 1, which serves as a basic bearing component of the entire apparatus and provides a sitting platform for the user;

[0040] A first inclined rod 2 is rotatably connected to one side of the bottom end of the plate body 1, and the first inclined rod 2 is connected to the bottom surface of the plate body through a bidirectional rotating shaft. A first inclined rod fixing assembly is provided at the bottom end of the first inclined rod 2, and the first inclined rod fixing assembly includes a screw 21, which is fixed to the bottom end side wall of the first inclined rod 2, and the outer wall of the screw 21 is threadedly connected to a first inclined rod fixing piece 22, and a threaded sleeve is provided at the connection between the first inclined rod fixing piece 22 and the screw 21. The first inclined rod fixing piece 22 can drive the first inclined rod fixing piece 22 to move by rotating the threaded sleeve during the movement of the outer wall of the screw 21, and a polygonal plug rod is fixed to the outer side of the first oblique rod fixing piece 22, and a fixing seat 23 is provided on the outer wall of the polygonal plug rod. During the movement, the first oblique rod fixing piece 22 can drive the polygonal plug rod to be inserted and pulled out from the inside of the fixing seat 23, thereby completing the installation and disassembly between the first oblique rod 2 and the fixing seat 23.

[0041] A linkage rod 3 is rotatably connected in the first oblique rod 2, and the linkage rod 3 swings inside the first oblique rod 2 through a rotating shaft. A linkage pivot 4 is symmetrically fixed to the other end of the linkage rod 3 away from the first oblique rod 2. The linkage pivot 4 forms a cross hinge with the linkage rod 3. The outer wall of the linkage pivot 4 is rotatably connected to a connecting rod 5. The linkage pivot 4 adopts a stepped rotating shaft, and gaps are formed at both ends with the linkage rod 3 and the connecting rod 5 respectively. The connecting rod 5 is connected to a sleeve 63 on a support pivot 6. The support pivot 6 is fixedly connected to the plate body 1. A composite rotating shaft with a self-lubricating bearing is adopted on the support pivot 6 to reduce the friction between the support pivot 6 and the connecting rod 5.

[0042] A pedal assembly is fixed on the side wall of the connecting rod 5, and the pedal assembly includes a pedal bracket 7, which is fixed on the side wall of the connecting rod 5. The pedal bracket 7 is swung by the connecting rod 5 to cooperate with the pedal 8 for leg training. A strip slide groove is provided inside the pedal bracket 7, and an I-shaped slider is slidably connected inside the strip slide groove. The I-shaped slider is connected to the strip slide groove of the pedal bracket 7 through a linear bearing to form a sliding shaft. The inside of the I-shaped slider is rotatably connected to the pedal 8 through a rotating shaft. An I-shaped slider fixing piece is threadedly connected on the side wall of the I-shaped slider away from the pedal 8. The pedal 8 is connected to the I-shaped slider through the rotating shaft to form an adjustable angle. A butterfly locking nut is provided at the end of the rotating shaft to achieve angle fixing.

[0043] An adjusting bracket 9 is rotatably connected to one side of the plate body 1 close to the first inclined rod 2. The adjusting bracket 9 is connected to the plate body 1 through a pin shaft. The top of the adjusting bracket 9 is rotatably connected to a foot fixer 10. The adjusting bracket 9 is composed of a sleeve and a slide rod. The height of the foot fixer 10 can be adjusted during the sliding process of the slide rod inside the sleeve. After the adjustment is completed, it is fixed by a fixing piece arranged on the outer wall of the sleeve. The foot fixer 10 and the top of the adjusting bracket 9 are connected in a multi-directional rotation manner by a double-row angular contact bearing. After the position is adjusted, they are fixed by a fixing piece at the connection position. A connecting piece 11 is fixed to the bottom end of the adjusting bracket 9. The internal rotation of the connecting piece 11 is connected to an adjusting pull rod 12. The adjusting pull rod 12 can pull the adjusting bracket 9 to rotate on the plate body 1 through the connecting piece 11.

[0044] The outer wall of the adjusting rod 12 is provided with a rod fixing assembly, and the rod fixing assembly includes a first rod frame 13, the outer wall of the first rod frame 13 is slidably connected to the outer wall of the adjusting rod 12, the first rod frame 13 limits the adjusting rod 12 when it is pulled, a sliding rod is fixed inside the first rod frame 13, the sliding rod is connected to the strip slide groove on the adjusting rod 12, the adjusting rod 12 slides inside the first rod frame 13 through the slide groove, and a second rod frame 14 is provided on the outer wall on the other side of the first rod frame 13 away from the connecting member 11, and a rod fixing part 15 is inserted into the inside of the second rod frame 14, and the rod fixing part 15 passes through the second rod frame 14 and extends to the inside of the adjusting rod 12, and a plurality of slots are provided inside the adjusting rod 12, and the rod fixing part 15 cooperates with the slot in a positioning manner, and the slot spacing is set proportionally to realize the adjustment gear position.

[0045] A strip through groove is formed at one end of the plate body 1 away from the adjusting bracket 9, and a sliding member 16 is slidably connected to the inside of the strip through groove. The sliding member 16 can be inserted and pulled out from the inside of the strip through groove. A knob is provided at the connection between the sliding member 16 and the plate body 1, and the knob includes a sliding support rod 17, and the sliding support rod 17 is fixed to the outer wall of the sliding member 16. During the sliding process of the sliding member 16 in the inner part of the strip through groove, the sliding support rod 17 can perform sliding guiding work. A limiting protrusion is fixed to the outer wall of the sliding support rod 17, and the limiting protrusion is used to fix the fixing plate 32 to prevent the fixing plate 32 from rotating. A fixing plate 32 is inserted on the outer wall of the sliding support rod 17, and a threaded protrusion is fixed on the end surface of the sliding support rod 17 that passes through the fixing plate 32. The threaded protrusion The outer wall of the knob 18 is threadedly connected, and the knob 18 can fix the fixed plate 32 on the sliding support rod 17 to prevent the fixed plate 32 from falling off. The internal rotation of the sliding member 16 is connected to the rotating member 19, and a polygonal protrusion is fixed on the fixed plate 32. The polygonal protrusion is used to fix the rotating member 19 after the angle is adjusted. A polygonal slot for accommodating the fixed plate 32 is provided on the plate body 1. The rotating member 19 adopts a hollow rotating shaft to form a clearance fit with the sliding member 16 for rotation. The polygonal protrusion forms a positioning engagement with the slot of the fixed plate 32. A polygonal slot matching the polygonal protrusion on the fixed plate 32 is provided at the hollow part. A back plate 20 is fixed on the side wall of the rotating member 19. The angle adjustment of the rotating member 19 and the sliding member 16 can adjust the back plate 20;

[0046] The other side of the plate body 1 away from the first diagonal rod 2 is rotatably connected to the second diagonal rod 24. The second diagonal rod 24 rotates below the plate body 1 and is fixed by a fixing member after rotation. The bottom end of the second diagonal rod 24 is rotatably connected to a support block 25. A second diagonal rod fixing member 26 is provided at the connection of the support block 25. The second diagonal rod fixing member 26 can fix the support block 25 and the second diagonal rod 24.

[0047] The bottom end of the support block 25 is fixed with an angle adjustment component, which includes a turntable 27, which is fixed to the bottom end of the support block 25. The bottom end of the turntable 27 is rotatably connected to a turntable seat 28 through a rotating rod and a bearing. The bearing is a tapered roller bearing. The turntable 27 can rotate on the turntable seat 28. A through hole is opened inside one side of the turntable 27. A polished rod 29 is slidably connected inside the through hole. The polished rod 29 can slide up and down in the through hole. A clamping block 31 is fixed to the top of the polished rod 29. When the card block 31 moves, the optical rod 29 slides downward in the through hole and can squeeze the spring 30 during the sliding process. The outer wall of the optical rod 29 is sleeved with the spring 30. The reaction force of the spring 30 can reset the card block 31, so that the card block 31 is engaged with the card slot on the turntable seat 28 to complete the fixation of the turntable 27. The two ends of the spring 30 are fixedly connected to the turntable 27 and the card block 31 respectively. The turntable seat 28 is located on the outer wall of the card block 31 and has a plurality of card slots for inserting the card block 31.

[0048] When the present invention is used:

[0049] The user first pulls out the rod fixing piece 15 from the inside of the second rod frame 14 and the adjustment rod 12 to cancel the fixation of the adjustment rod 12, and then pushes the adjustment rod 12 after canceling the fixation. When the adjustment rod 12 is pushed, it slides inside the first rod frame 13 and the second rod frame 14. During the sliding process, the adjustment bracket 9 is driven to rotate from the bottom of the board body 1 to the top through the connecting piece 11, so that the foot fixer 10 is located above the board body 1. After the foot fixer 10 reaches the specified position, the adjustment rod 12 is fixed by the rod fixing piece 15, thereby completing the fixation of the adjustment bracket 9 and the foot fixer 10. After fixation, the length of the adjustment bracket 9 can be adjusted according to the use adjustment, thereby adjusting the height of the foot fixer 10. After the adjustment is completed, the user lies on the board body 1 and fixes the foot through the foot fixer 10, so that sit-ups can be performed.

[0050] When it is necessary to train the legs, cancel the fixation of the adjustment rod 12. After canceling the fixation, pull the rod to adjust the adjustment bracket 9 and the foot fixer 10 to the bottom of the board body 1. After the adjustment is completed, turn the knob 18 to remove the fixed plate 32 from the sliding support rod 17 and the board body 1. After removing, pull the back plate 20. While the back plate 20 is being pulled, pull the rotating member 19 and the sliding member 16 out of the strip-shaped through groove on the board body 1. After pulling out, adjust the angle of the back plate 20 by rotating the rotating member 19 on the sliding member 16. After adjusting the angle, pull the fixed plate 32 Insert it into the shaft of the rotating part 19 and the outer wall of the sliding support rod 17 at the same time. After insertion, the knob 18 is threadedly connected to the sliding support rod 17 to fix the fixing plate 32. After fixation, the back plate 20 is fixed. After fixation, the user can sit on one end of the board body 1 close to the back plate 20, lean on the back plate 20 to adjust the position of the pedal 8, put the foot into the pedal 8 after adjusting the position, and perform leg training through the linkage of the pedal bracket 7, the connecting rod 5, the linkage pivot 4, the linkage rod 3 and the support pivot 6.

[0051] When it is necessary to adjust the leg training intensity, adjust the damping strength of the shaft sleeve 63. During the adjustment process, rotate the damping liquid push rod 65. Since the damping liquid push rod 65 is threadedly connected to the bearing seat seal 64, the damping liquid push rod 65 moves inward during the rotation process. During the movement process, the damping liquid push rod 65 drives the damping hydraulic block 66 to rotate in the cavity of the bearing seat 62, and moves inward while rotating. During the movement of the damping hydraulic block 66, the damping liquid in the cavity of the bearing seat 62 is squeezed between the shaft sleeve 63 and the bearing seat 62 through the through hole, and the amount of damping liquid is increased. To increase the damping effect of the bushing, the amount of damping fluid needs to be adjusted by adjusting the damping fluid push rod 65. After the adjustment, the force of the connecting rod 5 increases, thereby adjusting the training intensity. Reversely rotating the damping fluid push rod 65 can reduce the pressure of the damping fluid, and reduce the damping effect by reducing the pressure. When damping fluid needs to be added, the bearing seat seal 64 is removed from the bearing seat 62. After removal, the damping hydraulic block 66 is pulled out from the cavity inside the bearing seat 62 to add damping fluid. After adding the damping fluid, the bearing seat seal 64 is installed on the bearing seat 62.

[0052] When the training device needs to be stored, the threaded block on the first oblique rod fixing member 22 is rotated, and the threaded block moves inward on the screw rod 21. During the movement, the first oblique rod fixing member 22 is removed from the fixing seat 23, thereby canceling the fixing work of the first oblique rod 2. After the fixing is canceled, the second oblique rod fixing member 26 is rotated. During the rotation process of the second oblique rod fixing member 26, the fixing between the second oblique rod 24 and the support block 25 is canceled. After the fixing is canceled, the plate body 1 is rotated on the support block 25 through the second oblique rod 24 to be vertically set. The second diagonal rod fixing member 26 is then used to fix it. After fixing, the first diagonal rod 2 is stored under the plate body 1, thereby completing the storage work and reducing the occupied space. When the plate body 1 needs to be rotated, the block 31 is stepped on downward. When the block 31 moves downward, it drives the light rod 29 to slide downward in the through hole of the turntable 27. When the block 31 moves downward, the spring 30 is squeezed. When the block 31 moves downward, it is pulled out from the bottom end of the turntable seat 28, thereby canceling the fixation between the turntable 27 and the turntable seat 28. After the fixation is canceled, the training device can be rotated.

Claims

1. A training device, comprising a plate (1) and a support pivot (6), characterized in that: A threaded hole is formed at the end of the support pivot (6), a connecting block (61) is connected to the inner thread of the threaded hole, a bearing seat (62) is fixed to the end of the connecting block (61), a shaft sleeve (63) is rotatably connected to the outer wall of the bearing seat (62), and a side wall surface of the shaft sleeve (63) is tightly fitted with the inner wall of the bearing seat (62); A bearing seat seal (64) is connected to the side wall surface of the bearing seat (62), and an adjusting member is arranged inside the bearing seat seal (64); the interior of the bearing seat (62) is hollow to form a cavity, and the cavity is used to store damping fluid; and a plurality of through holes are opened on the outer wall of the bearing seat (62) along the circumferential direction; A first oblique rod (2) is rotatably connected to one side of the bottom end of the plate body (1), a first oblique rod fixing assembly is provided at the bottom end of the first oblique rod (2), a linkage rod (3) is rotatably connected to the first oblique rod (2), a linkage pivot (4) is symmetrically fixed to the other end of the linkage rod (3) away from the first oblique rod (2), a connecting rod (5) is rotatably connected to the outer wall of the linkage pivot (4), the connecting rod (5) is connected to the shaft sleeve (63) on the support pivot (6), the support pivot (6) is fixedly connected to the plate body (1), and a pedal assembly is fixed to the side wall surface of the connecting rod (5); An adjusting bracket (9) is rotatably connected to one side of the plate body (1) close to the first oblique rod (2); the top end of the adjusting bracket (9) is rotatably connected to a foot fixer (10); a connecting piece (11) is fixed to the bottom end of the adjusting bracket (9); an adjusting pull rod (12) is rotatably connected to the inside of the connecting piece (11); and a pull rod fixing assembly is provided on the outer wall of the adjusting pull rod (12); A strip-shaped through slot is formed at one end of the plate body (1) away from the adjustment bracket (9); a sliding member (16) is slidably connected inside the strip-shaped through slot; a knob is provided at the connection between the sliding member (16) and the plate body (1); a rotating member (19) is rotatably connected inside the sliding member (16); a back plate (20) is fixed to the side wall of the rotating member (19); The other side of the plate body (1) away from the first oblique rod (2) is rotatably connected to a second oblique rod (24); the bottom end of the second oblique rod (24) is rotatably connected to a support block (25); a second oblique rod fixing piece (26) is provided at the connection of the support block (25); and an angle adjustment component is fixed to the bottom end of the support block (25).

2. A training device according to claim 1, characterized in that: The adjusting member comprises a damping fluid push rod (65), wherein the damping fluid push rod (65) is threadedly connected to the interior of the bearing seat seal (64), and a damping fluid block (66) is fixed to one end of the damping fluid push rod (65) extending to the cavity of the bearing seat (62), and a gasket is fixed to the end surface of the damping fluid push rod (66), and the outer wall of the damping fluid push rod (66) is tightly fitted to the inner wall of the cavity of the bearing seat (62).

3. A training device according to claim 1, characterized in that: The first oblique rod fixing assembly comprises a screw rod (21), the screw rod (21) being fixed to the side wall of the bottom end of the first oblique rod (2), the outer wall of the screw rod (21) being threadedly connected to a first oblique rod fixing piece (22), a polygonal insert rod being fixed to the outer side of the first oblique rod fixing piece (22), and a fixing seat (23) being provided on the outer wall of the polygonal insert rod.

4. A training device according to claim 1, characterized in that: The pedal assembly comprises a pedal bracket (7), the pedal bracket (7) being fixed on the side wall surface of the connecting rod (5), the pedal bracket (7) being provided with a strip slide groove inside, an I-shaped slider being slidably connected inside the strip slide groove, a pedal (8) being rotatably connected inside the I-shaped slider via a rotating shaft, and an I-shaped slider fixing piece being threadedly connected on the side wall of the I-shaped slider away from the pedal (8).

5. A training device according to claim 1, characterized in that: The pull rod fixing assembly comprises a first pull rod frame (13), the outer wall of the first pull rod frame (13) is slidably connected to the outer wall of the adjusting pull rod (12), a sliding rod is fixed inside the first pull rod frame (13), and the sliding rod is connected to the strip-shaped sliding groove on the adjusting pull rod (12), a second pull rod frame (14) is arranged on the outer wall of the other side of the first pull rod frame (13) away from the connecting member (11), a pull rod fixing member (15) is inserted into the inside of the second pull rod frame (14), and the pull rod fixing member (15) passes through the second pull rod frame (14) and extends to the inside of the adjusting pull rod (12), and a plurality of slots are arranged inside the adjusting pull rod (12).

6. A training device according to claim 1, characterized in that: The knob comprises a sliding support rod (17), the sliding support rod (17) being fixed on the outer wall of the sliding member (16), a limiting protrusion being fixed on the outer wall of the sliding support rod (17), a fixing plate (32) being inserted on the outer wall of the sliding support rod (17), a threaded protrusion being fixed on the end surface of the sliding support rod (17) penetrating the fixing plate (32), the outer wall of the threaded protrusion being threadedly connected to the knob (18), a polygonal protrusion being fixed on the fixing plate (32), the polygonal protrusion being used for fixing the rotating member (19) after the angle is adjusted, and a polygonal slot for receiving the fixing plate (32) is provided on the plate body (1).

7. A training device according to claim 1, characterized in that: The angle adjustment assembly comprises a turntable (27), wherein the turntable (27) is fixed to the bottom end of the support block (25), and the bottom end of the turntable (27) is rotatably connected to a turntable seat (28) via a turnbar and a bearing, a through hole is provided inside one side of the turntable (27), and a light rod (29) is slidably connected inside the through hole, a clamping block (31) is fixed to the top end of the light rod (29), a spring (30) is sleeved on the outer wall of the light rod (29), and two ends of the spring (30) are respectively fixedly connected to the turntable (27) and the clamping block (31), and a plurality of clamping grooves for inserting the clamping block (31) are provided on the outer wall of the turntable seat (28) located on the clamping block (31).

Citation Information

Patent Citations

  • Viscous friction damper

    SU918640A1

  • Rotary damper

    US5449054A