Magnetic bump damper
By incorporating a heat dissipation and cleaning mechanism within the magnetic damper, and utilizing airflow and rotating components for heat dissipation, the heat generated by high vibrations is resolved, thereby improving heat dissipation efficiency and service life.
Patent Information
- Application Number
- CN202311082325.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-27
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2043-08-27
AI Technical Summary
When driving on rough mountain roads, the magnetic shock absorber generates a lot of heat due to continuous compression and has low heat dissipation efficiency, which affects the cushioning effect and service life.
A magnetic damper with a heat dissipation mechanism and a cleaning mechanism was designed. It uses airflow and rotating components for heat dissipation, and the brush cleaning mechanism keeps the heat sink clean, thereby increasing the heat dissipation area and efficiency.
It effectively improves the heat dissipation efficiency of the magnetic damper, avoids the impact of high temperature on the damping effect, and extends the service life.
Smart Images

Figure CN117108663B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of shock absorbers, in particular to a magnetic buffer shock absorber. BACKGROUND
[0002] The function of the automobile shock absorber is to accelerate the attenuation of the vehicle body vibration, so as to improve the driving smoothness and comfort of the automobile, and most of the suspension systems of the automobile are provided with shock absorbers;
[0003] Referring to the patent application with the publication number CN206306759U, a suspension shock absorber buffer block is disclosed, which is a suspension shock absorber buffer block, the suspension shock absorber buffer block comprises a buffer block body, a dustproof lip and a buffer block support, wherein the dustproof lip is arranged at the upper end of the buffer block body, and the buffer block body is arranged on the buffer block support.
[0004] At present, when the off-road vehicle on the rugged mountain road is running at a high speed, the up-and-down bump of the vehicle will be buffered and damped by the magnetic buffer, and when the damping is performed, the magnetic blocks will continuously approach each other and be pushed away by repulsive force, which is continuously squeezed and is easy to generate a large amount of heat, and the natural air cooling during the vehicle driving will also wrap a large amount of dust, which will greatly reduce the heat dissipation efficiency and cause high temperature to affect the buffering and damping effect and service life. SUMMARY
[0005] In view of the deficiencies of the prior art, the present application provides a magnetic buffer shock absorber to achieve the purpose of solving the above problems.
[0006] To achieve the above purpose, the present application is realized by the following technical scheme: a magnetic buffer shock absorber, comprising a long rod, the long rod is fixedly connected with a fixed block on the outer wall, and a heat dissipation mechanism is arranged at one end of the long rod.
[0007] The heat dissipation mechanism comprises:
[0008] A round sleeve, which is a hollow cylindrical structure, is slidably connected with a push block on the inner wall, the push block is fixedly connected with a threaded rod on the outer wall, the push block is fixedly connected with the long rod on the outer wall, and the round sleeve is used to support the sliding of the push block.
[0009] A magnetic block, which is a circular hollow column structure, is not in contact with the outer wall of the threaded rod, the outer wall of the magnetic block is fixedly connected with the inner wall of the round sleeve, a square groove is formed in the inner wall of the round sleeve, a discontinuous groove is formed in the outer wall of the round sleeve, heat dissipation fins are fixedly connected with the outer wall of the round sleeve, and the magnetic block is used to play a damping and buffering role of repelling each other magnetically with the push block.
[0010] Preferably, the outer wall of the threaded rod is threadedly connected with an internally threaded sleeve, one end of the internally threaded sleeve is fixedly connected with a connecting sleeve, one side of the connecting sleeve is rotatably connected with a circular sheet B, one side of the circular sheet B is rotatably connected with a rotating disc, one side of the rotating disc is rotatably connected with a circular sheet A, and one side of the circular sheet A is rotatably connected with one side of a circular sleeve.
[0011] Preferably, the outer wall of the internally threaded sleeve is fixedly connected with a fixed ring, the outer wall of the fixed ring is fixedly connected with a connecting plate, the outer wall of the connecting plate is fixedly connected with the inner wall of the rotating disc, and the outer wall of the rotating disc is fixedly connected with the outer wall of the fan blade, so that air is blown.
[0012] Preferably, the outer wall of the circular sheet A is fixedly connected with a magnetic block B, the outer wall of the circular sheet B is fixedly connected with a magnetic block A, and the outer part of the circular sleeve is provided with a cleaning mechanism.
[0013] Preferably, the magnetic block A and the magnetic block B have magnetism, and the magnetism of the opposite sides of the magnetic block A and the magnetic block B is same-pole repulsion magnetism, so as to buffer and dampen.
[0014] Preferably, the cleaning mechanism comprises a telescopic rod, one end of the telescopic rod is fixedly connected with the outer wall of the fan blade, one end of the telescopic rod is fixedly connected with a connecting disc, and the inner wall of the connecting disc is provided with a groove, so that the inside is cooled through the groove.
[0015] Preferably, one side of the connecting disc is fixedly connected with a fixed disc, the inner wall of the fixed disc is fixedly connected with a connecting column, one end of the connecting column is fixedly connected with the outer wall of the push block, one side of the fixed disc is fixedly connected with a blocking rod, the inner wall of the connecting disc is fixedly connected with bristles, so that the bristles are used for cleaning.
[0016] Preferably, the thread angle of the threads on the outer wall of the threaded rod is greater than forty-five degrees, and the thread angle of the threads on the inner wall of the internally threaded sleeve is greater than forty-five degrees, so that the friction of thread rotation is low.
[0017] The application provides a magnetic buffer damper, which has the following beneficial effects:
[0018] 1. The heat dissipation mechanism is provided, and the air flow through the plurality of heat dissipation fins on the outer wall of the round sleeve is fully utilized to increase the contact area of heat dissipation work, and because the space inside the vehicle is limited, the number of heat dissipation fins is reduced, and the broken groove is opened on the outer wall of the round sleeve, so that when the push block continuously slides in the inner wall of the round sleeve, the broken groove position opened on the outer wall of the round sleeve is passed, the push block is limited to slide through the round sleeve, and the outer wall of the push block is contacted with the external air as much as possible, at this time, the air flow greatly improves the heat dissipation efficiency of the push block itself, and at this time, the heat absorbed by the round sleeve and the heat dissipation fin are also synchronously dissipated, so that the push block itself, the heat absorbed by the round sleeve and the heat dissipation fin are synchronously dissipated in the process of continuous sliding movement of the push block, the sliding of the push block is ensured, the heat dissipation area is increased, the heat dissipation efficiency is improved, and the problem that the temperature of the continuously moving push block is high due to the limited space in the vehicle and affects the working effect is solved.
[0019] 2. The heat dissipation mechanism is provided, and when the push block slides back and forth to dampen, the threaded rod is synchronously moved, the threaded rod is screwed and rotated on the inner thread sleeve inner wall, because the thread angle of the thread on the outer wall of the threaded rod is large, the friction of the inner thread sleeve rotation is small, and the threaded rod moves more easily and quickly, so that the threaded rod continuously slides in the inner thread sleeve, drives the inner thread sleeve to continuously rotate, and synchronously rotates the fixed ring and the connecting plate on the outer wall of the inner thread sleeve, the connecting plate rotates to drive the rotating disc and the fan blade to synchronously rotate, and the push block and the round sleeve are blown and heat dissipated, avoiding the slow air flow and the increase of heat production, and the problem that the heat dissipation cannot be quickly dissipated.
[0020] 3. The cleaning mechanism is provided, the flexible rod and the connecting disc are rotated by the fan blade, the connecting disc is rotated on the groove through the groove, and the groove is fixed by the push block through the connecting column, so that the connecting disc can be synchronously rotated by the flexible rod when the fan blade rotates, and the surface of the push block is cleaned and wiped by the synchronous rotation of the inner wall brush when the connecting disc rotates, and the groove and the connecting disc are moved synchronously by the connecting column when the push block moves, so that the surface of the push block is cleaned and wiped in real time, and the residues swept out by the brush are discharged through the baffle rod on the outer wall of the connecting disc, and the residues adhered to the inner wall of the connecting disc are thrown out by the centrifugal force of the rotating connecting disc, avoiding the problem that the residues are accumulated thick on the connecting disc and affect the surface heat dissipation efficiency.
[0021] 4, by setting cleaning mechanism, when the push block moves, will push the telescopic rod to retract, so that realize no matter push block moves to where, the bristles will follow the push block to clean the effect of sweeping, further improve the wiping efficiency of the push block outer wall, improve the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 For the structure of the present application schematic diagram
[0023] Figure 2 For the structure of the present application schematic diagram Figure 1 ;
[0024] Figure 3 For the structure of the present application schematic diagram Figure 2 ;
[0025] Figure 4 For the structure of the present application Figure 3 A enlarged view
[0026] Figure 5 For the structure of the present application schematic diagram Figure 1 ;
[0027] Figure 6 For the structure of the present application schematic diagram Figure 2 ;
[0028] Figure 7 For the structure of the present application schematic diagram Figure 1 ;
[0029] Figure 8 For the structure of the present application schematic diagram Figure 2 ;
[0030] Figure 9 For the structure of the present application schematic diagram Figure 1 ;
[0031] Figure 10 For the structure of the present application schematic diagram Figure 2 .
[0032] In the figure: 1 fixed block, 2 long rod, 3 heat dissipation mechanism, 301 round sleeve, 302 push block, 303 threaded rod, 304 magnetic block, 305 broken groove, 306 square groove, 307 heat dissipation fin, 308 connecting sleeve, 309 round piece A, 310 round piece B, 311 magnetic block A, 312 magnetic block B, 313 rotating disc, 314 fan blade, 315 internal thread sleeve, 316 connecting plate, 317 fixed ring, 4 cleaning mechanism, 401 telescopic rod, 402 connecting disc, 403 groove, 404 fixed disc, 405 connecting column, 406 bristles, 407 blocking rod. DETAILED DESCRIPTION
[0033] Embodiment one, please refer to Figures 1-3 The application provides a technical scheme: a magnetic buffer shock absorber, comprising a long rod 2, a fixed block 1 fixedly connected to the outer wall of the long rod 2, and a heat dissipation mechanism 3 arranged at one end of the long rod 2.
[0034] The heat dissipation mechanism 3 comprises:
[0035] A round sleeve 301 in a hollow cylindrical structure, a push block 302 slidingly connected to the inner wall of the round sleeve 301, a threaded rod 303 fixedly connected to the outer wall of the push block 302, the outer wall of the push block 302 fixedly connected to the outer wall of the long rod 2, and the round sleeve 301 used for supporting the sliding of the push block 302.
[0036] A magnetic block 304 in a circular hollow column structure, the inner wall of the magnetic block 304 not in contact with the outer wall of the threaded rod 303, the outer wall of the magnetic block 304 fixedly connected to the inner wall of the round sleeve 301, a square groove 306 formed in the inner wall of the round sleeve 301, a discontinuous groove 305 formed in the outer wall of the round sleeve 301, heat dissipation fins 307 fixedly connected to the outer wall of the round sleeve 301, and the magnetic block 304 used for the shock absorption and buffering effect of magnetic repulsion with the push block 302.
[0037] When the vehicle is jolted during driving, the fixed block 1 pushes the long rod 2 to move the push block 302 on the inner wall of the round sleeve 301, and the push block 302 is close to the magnetic block 304, the push block 302 is pushed back by the strong magnetism between the push block 302 and the magnetic block 304, and the closer to the magnetic block 304, the greater the magnetic repulsion force, thereby realizing the damping effect on the jolt of the vehicle.
[0038] When the push block 302 is continuously moving on the inner wall of the round sleeve 301, the square groove 306 formed in the outer wall of the round sleeve 301 allows the flowing air during the driving of the vehicle to fully pass through the push block 302 and the magnetic block 304 inside the round sleeve 301, thereby realizing the efficient cooling effect inside.
[0039] Embodiment two, please refer to Figures 1-6 In the embodiments one and two, the application provides a technical scheme: the outer wall of the threaded rod 303 is threadedly connected with an internally threaded sleeve 315, one end of the internally threaded sleeve 315 is fixedly connected with a connecting sleeve 308, one side of the connecting sleeve 308 is rotatably connected with a circular plate B 310, one side of the circular plate B 310 is rotatably connected with a rotating disc 313, one side of the rotating disc 313 is rotatably connected with a circular plate A 309, and one side of the circular plate A 309 is rotatably connected with one side of the round sleeve 301.
[0040] The inner threaded sleeve 315 is fixedly connected with a fixing ring 317, the fixing ring 317 is fixedly connected with a connecting plate 316, the connecting plate 316 is fixedly connected with the inner wall of the rotating disc 313, and the outer wall of the rotating disc 313 is fixedly connected with the outer wall of the fan blade 314.
[0041] The outer wall of the disc A 309 is fixedly connected with a magnetic block B 312, the outer wall of the disc B 310 is fixedly connected with a magnetic block A 311, and the outer wall of the circular sleeve 301 is provided with a cleaning mechanism 4.
[0042] The magnetic block A 311 and the magnetic block B 312 have magnetism, and the magnetism on the opposite side of the magnetic block A 311 and the magnetic block B 312 is the same-pole repulsion magnetism.
[0043] When the push block 302 is jolted to slide in the inner wall of the circular sleeve 301, the high-speed jolt sliding and the constant contact with the magnetic block 304 push, so that a large amount of heat is generated, the heat is taken away by the heat exchange of the air during the vehicle driving process, and when the air flows through the outer wall of the circular sleeve 301 and the outer wall of the push block 302 and the magnetic block 304, the air flow is fully utilized, and when passing through the plurality of cooling fins 307 on the outer wall of the circular sleeve 301, the cooling work is carried out, and because the space in the vehicle is limited, the number of cooling fins 307 is reduced, and the broken groove 305 is arranged on the outer wall of the circular sleeve 301, so that when the push block 302 constantly slides in the inner wall of the circular sleeve 301, the push block 302 is limited to slide through the broken groove 305 arranged on the outer wall of the circular sleeve 301, at the same time, the outer wall of the push block 302 is maximized to contact with the external air, at this time, the air flow greatly improves the heat dissipation efficiency of the push block 302 itself, and at this time, the circular sleeve 301 and the cooling fins 307 after absorbing heat are also synchronously cooled, so that the push block 302, the circular sleeve 301 and the cooling fins 307 are synchronously cooled during the constant sliding movement of the push block 302, the sliding of the push block 302 is ensured, the heat dissipation area is increased, the heat dissipation efficiency is improved, and the problem that the temperature of the constantly moving push block 302 is high due to the limited space in the vehicle and affects the working effect is solved.
[0044] At the same time in the push block 302 back and forth slide shock-absorbing time, will lead to threaded rod 303 synchronous movement, threaded rod 303 in the inner thread sleeve 315 inner wall through the thread screw rotation, because the threaded rod 303 outer wall of the thread thread angle is larger, so the inner thread sleeve 315 rotation friction is smaller and makes the threaded rod 303 move more easily fast, thereby leading to threaded rod 303 in the inner thread sleeve 315 inside constantly sliding, leading to the inner thread sleeve 315 constantly rotating, and make the inner thread sleeve 315 outer wall of the fixed ring 317, connecting plate 316 synchronous rotation, connecting plate 316 rotating lead to the rotating disc 313 and fan blade 314 synchronous rotation, to push block 302 and the whole circular sleeve 301 blow cooling, avoid in high bumpy road section when the bumpy increase and speed is slow, the air flow is too slow and the heat production increases appear the situation of unable to quickly heat dissipation;
[0045] Embodiment three, please refer to Figures 1-10 In the embodiment one and embodiment two, the application provides a technical solution: cleaning mechanism 4 includes telescopic rod 401, telescopic rod 401 one end and fan blade 314 outer wall fixedly connected, telescopic rod 401 one end fixedly connected with connecting disc 402, connecting disc 402 inner wall is provided with recess 403.
[0046] Connecting disc 402 one side fixedly connected with fixed disc 404, fixed disc 404 inner wall fixedly connected with connecting column 405, connecting column 405 one end and push block 302 outer wall fixedly connected, fixed disc 404 one side fixedly connected with the baffle rod 407, connecting disc 402 inner wall fixedly connected with brush 406.
[0047] The thread angle of the thread on the outer wall of the threaded rod 303 is greater than 45 degrees, and the thread angle of the thread on the inner wall of the inner thread sleeve 315 is greater than 45 degrees.
[0048] When the fan blade 314 rotates rapidly, the telescopic rod 401 and the connecting disc 402 are rotated by the fan blade 314, the connecting disc 402 rotates on the fixed disc 404 through the groove 403, and the fixed disc 404 is fixed by the push block 302 through the connecting column 405, so that the connecting disc 402 can be driven by the telescopic rod 401 to rotate synchronously when the fan blade 314 rotates, and when the connecting disc 402 rotates, the surface of the push block 302 is cleaned and wiped by the synchronous rotation of the brush 406 on the inner wall, and when the push block 302 moves, the fixed disc 404 and the connecting disc 402 are also moved synchronously by the connecting column 405, so that the surface of the push block 302 is continuously cleaned in real time, and the residues swept out by the brush 406 are discharged through the groove 403 on the outer wall of the connecting disc 402, and the residues adhered to the blocking rod 407 on the inner wall of the connecting disc 402 are thrown out by the centrifugal force of rotation, avoiding the problem that the residues are accumulated on the connecting disc 402 to affect the heat dissipation efficiency of the surface of the connecting disc 402;
[0049] When the push block 302 moves, the telescopic rod 401 is extended and retracted, so that no matter where the push block 302 moves, the brush 406 can clean and sweep the surface of the push block 302, further improving the wiping efficiency of the outer wall of the push block 302 and the heat dissipation effect.
[0050] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A magnetic buffer damper, comprising a long rod (2), a fixed block (1) is fixedly connected to the outer wall of the long rod (2), characterized in that: The long rod (2) is provided with a heat dissipation mechanism (3) at one end; The heat dissipation mechanism (3) comprises: A round sleeve (301) is a hollow cylindrical structure, a push block (302) is slidably connected to the inner wall of the round sleeve (301), a threaded rod (303) is fixedly connected to the outer wall of the push block (302), the outer wall of the push block (302) is fixedly connected to the outer wall of the long rod (2), and the round sleeve (301) is used to support the sliding of the push block (302); A magnetic block (304) is a circular hollow column structure, the inner wall of the magnetic block (304) is not in contact with the outer wall of the threaded rod (303), the outer wall of the magnetic block (304) is fixedly connected to the inner wall of the round sleeve (301), a square groove (306) is formed in the inner wall of the round sleeve (301), a broken groove (305) is formed in the outer wall of the round sleeve (301), a heat dissipation fin (307) is fixedly connected to the outer wall of the round sleeve (301), and the magnetic block (304) is used to achieve a damping and buffering effect of magnetic repulsion with the push block (302); The outer wall of the threaded rod (303) is threadedly connected with an internal thread sleeve (315), one end of the internal thread sleeve (315) is fixedly connected with a connecting sleeve (308), one side of the connecting sleeve (308) is rotatably connected with a circular plate B (310), one side of the circular plate B (310) is rotatably connected with a rotating disc (313), one side of the rotating disc (313) is rotatably connected with a circular plate A (309), and one side of the circular plate A (309) is rotatably connected with one side of the round sleeve (301); The outer wall of the internal thread sleeve (315) is fixedly connected with a fixed ring (317), the outer wall of the fixed ring (317) is fixedly connected with a connecting plate (316), the outer wall of the connecting plate (316) is fixedly connected with the inner wall of the rotating disc (313), and the outer wall of the rotating disc (313) is fixedly connected with a fan blade (314); The outer wall of the circular plate A (309) is fixedly connected with a magnetic block B (312), and the outer wall of the circular plate B (310) is fixedly connected with a magnetic block A (311). The magnetic block A (311) and the magnetic block B (312) have magnetism, and the magnetism on the opposite sides of the magnetic block A (311) and the magnetic block B (312) is the same-pole repulsion magnetism. The cleaning mechanism (4) comprises a telescopic rod (401), one end of the telescopic rod (401) is fixedly connected with the outer wall of the fan blade (314), one end of the telescopic rod (401) is fixedly connected with a connecting disc (402), and a recess (403) is formed in the inner wall of the connecting disc (402); One side of the connecting disc (402) is fixedly connected with a fixed disc (404), the inner wall of the fixed disc (404) is fixedly connected with a connecting column (405), one end of the connecting column (405) is fixedly connected with the outer wall of the push block (302), one side of the fixed disc (404) is fixedly connected with a blocking rod (407), and the inner wall of the connecting disc (402) is fixedly connected with a brush (406).
2. A magnetic bump stop according to claim 1, characterized in that: The thread angle of the outer wall thread of the threaded rod (303) is greater than 45 degrees, and the thread angle of the inner wall thread of the inner threaded sleeve (315) is greater than 45 degrees.
Citation Information
Patent Citations
Suspension damping ware buffer block
CN206306759U
Telescopic hydraulic oil cylinder with buffering and damping structure
CN112211874A
Double-cylinder type shock absorber of automobile
CN219413380U