High-performance automobile damper
By designing an adjustable high-performance automotive damper, the problem of existing dampers being unable to adjust stiffness has been solved, enabling flexible adjustment of the damper and extending the service life of the spring, while reducing resource waste and installation complexity.
Patent Information
- Application Number
- CN202520356474.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing automotive dampers cannot adjust their stiffness, leading to resource waste and spring deterioration.
A high-performance automotive damper was designed. By rotating the third threaded rod to change the position of the moving ring, the air pressure in the oil reservoir is adjusted, thereby adjusting the damper's stiffness. The threaded ring and limiting block structure also extend the spring's service life.
This allows for flexible adjustment of the damper's stiffness and extends the lifespan of the spring, reducing resource waste and installation limitations.
Smart Images

Figure CN223923684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile shock absorber, more specifically, especially relate to a high performance automobile damper. BACKGROUND
[0002] Automobile shock absorber is to make the frame and the body vibration decay rapidly, improve the smoothness and comfort of the car, the automobile suspension system generally all are equipped with shock absorber, the automobile widely adopts the double -acting cylinder type shock absorber.
[0003] Based on the above, it is found that the following problems exist: The current automobile damper usually does not have the function of adjusting the soft and hard degree of the damper, and is usually directly set when leaving the factory, so that when the owner needs to adjust the soft and hard degree of the damper during subsequent use, only the whole can be replaced, and the spring outside the damper will also appear the condition of spring degradation after long-term use, and directly replacing the damper will also cause resource waste.
[0004] Therefore, in view of the above, the existing structure and defects are studied and improved, and a high performance automobile damper is provided, so as to achieve the purpose of being more practical. INVENTION CONTENTS
[0005] In order to solve the above technical problems, the utility model provides a kind of high performance automobile damper, to solve the problem that current usually does not have the function of adjusting the soft and hard degree of the damper.
[0006] The utility model provides a kind of high performance automobile damper, by following specific technical means is achieved:
[0007] A kind of high performance automobile damper, including outer tube, the inner tube is fixed on the top of outer tube inner wall, the piston is movably sleeved on the inner wall of inner tube, the telescopic rod is fixed on the top of piston, the top plate is fixed on the top of telescopic rod, the oil storage cavity is arranged in the middle of outer tube and inner tube, the moving ring is movably sleeved on the inner wall of oil storage cavity, the third threaded rod is penetrated and is connected with the outer wall top of outer tube by screw thread, the third threaded rod bottom is rotatably connected with moving ring, the spring is arranged on the outer wall of outer tube and telescopic rod.
[0008] Further, the bottom of the moving ring is fixed with a sealing ring, and the diameter value of the sealing ring is matched with the diameter value of the oil storage cavity.
[0009] Further, the bottom of the moving ring is fixed with a sealing ring, and the diameter value of the sealing ring is matched with the diameter value of the oil storage cavity.
[0010] Further, the threaded ring top is rotatably connected with a first threaded rod, the outer cylinder outer wall bottom is fixed with a limiting block, the first threaded rod other end penetrates the limiting block top, and the first threaded rod bottom is threadedly connected with a nut.
[0011] Further, the top plate top and the outer cylinder bottom are both placed with a second connecting block, and the two second connecting blocks away from the telescopic rod one end are both fixed with a connecting ring.
[0012] Further, the top plate top and the outer cylinder bottom middle part are both fixed with a first connecting block, the second connecting block one side is rotatably connected with a second threaded rod, and the second threaded rod penetrates the first connecting block.
[0013] Further, the top plate bottom is fixed with a third connecting block, and the third connecting block one side is fixed with a spring top end.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] 1. The utility model discloses a third threaded rod is rotated to change the position of the moving ring, and then the air pressure of the air in the oil storage cavity is changed, the force of the oil liquid into the oil storage cavity is changed, and then the force of the outer cylinder and telescopic rod stretching is changed, the softness and hardness of the damper overall is adjusted quickly, so that the effect that the owner can adjust the softness and hardness of the damper according to the use demand of oneself is achieved.
[0016] 2. The utility model discloses a long time is used after, when the elasticity of spring is bad, the threaded ring position is changed by rotating the threaded ring in the outer cylinder outer wall, after adjusting, the first threaded rod is connected through the threaded ring and the limiting block, and finally the position of the threaded ring is limited by fastening the nut, so that the effect that the use time of spring is increased is achieved.
[0017] 3. The utility model discloses a second threaded rod is used to connect the connecting ring and the first connecting block, then the connecting shaft is inserted into the connecting ring to connect the damper overall and the outside, when the damper is directly welded and fixed, the second threaded rod is removed to take down the connecting ring, and the first connecting block is directly welded with the outside, so that the effect that two installation modes are achieved, and the installation is more limited. DRAWINGS
[0018] Figure 1 It is the overall structure front view schematic diagram of the utility model.
[0019] Figure 2 It is Figure 1 A part structure enlarged schematic diagram of the utility model.
[0020] Figure 3 It is the section structure schematic diagram of the utility model outer cylinder.
[0021] Figure 4 is a partial structure schematic view of the utility model.
[0022] The correspondence between the component names and the figure numbers in the drawing is as follows:
[0023] 1, outer cylinder; 2, telescopic rod; 3, piston; 4, threaded ring; 5, limiting block; 6, first threaded rod; 7, nut; 8, connecting ring; 9, first connecting block; 10, second connecting block; 11, second threaded rod; 12, inner cylinder; 13, oil storage cavity; 14, sealing ring; 15, moving ring; 16, third threaded rod; 17, spring; 18, top plate; 19, third connecting block. DETAILED DESCRIPTION
[0024] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0025] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; in addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. EMBODIMENT
[0026] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:
[0027] The utility model provides a kind of high-performance automobile damper, including outer cylinder 1, inner cylinder 12 is fixed in outer cylinder 1 inner wall top, piston 3 is movably sleeved in inner cylinder 12 inner wall, telescopic rod 2 is fixed in piston 3 top, telescopic rod 2 top is fixed with top plate 18, oil storage cavity 13 is arranged in the middle of outer cylinder 1 and inner cylinder 12, moving ring 15 is movably sleeved in oil storage cavity 13 inner wall, third threaded rod 16 is threaded connected in the top of outer cylinder 1 outer wall, and third threaded rod 16 bottom is rotatably connected with moving ring 15, spring 17 is arranged in the outer wall of outer cylinder 1 and telescopic rod 2, the position of moving ring 15 is changed by rotating third threaded rod 16, to change the air pressure of oil storage cavity 13 inside, the force of oil liquid entering oil storage cavity 13 inside is changed, after air pressure changes, the pressure of oil liquid in inner cylinder 12 inside entering oil storage cavity 13 inside will also change, to change the force of outer cylinder 1 and telescopic rod 2 stretching, the hardness of damper overall is quickly adjusted.
[0028] Among them, moving ring 15 bottom is fixed with sealing ring 14, sealing ring 14 diameter value is compatible with the diameter value of oil storage cavity 13, the gap between moving ring 15 and oil storage cavity 13 inside is filled by sealing ring 14, to avoid the air in oil storage cavity 13 inside from flowing out from the gap.
[0029] The outer wall bottom of the outer cylinder 1 is threadedly connected with a threaded ring 4, the top of the threaded ring 4 is attached to the bottom of a spring 17, the spring 17 is limited by the threaded ring 4 and a top plate 18, after long time use, the elasticity of the spring 17 is deteriorated, the initial length of the spring 17 is changed by changing the position of the threaded ring 4.
[0030] The top of the threaded ring 4 is rotatably connected with a first threaded rod 6, the outer wall bottom of the outer cylinder 1 is fixed with a limiting block 5, the other end of the first threaded rod 6 penetrates the top of the limiting block 5, the bottom of the first threaded rod 6 is threadedly connected with a nut 7, the position of the threaded ring 4 is changed by rotating the threaded ring 4 on the outer wall of the outer cylinder 1, after adjustment, the first threaded rod 6 is connected with the limiting block 5 through the threaded ring 4, finally the nut 7 is fastened, the position of the threaded ring 4 is limited, the position of the threaded ring 4 is prevented from deviating during use.
[0031] The top of the top plate 18 and the bottom of the outer cylinder 1 are both placed with a second connecting block 10, the two second connecting blocks 10 are both fixed with a connecting ring 8 away from one end of the telescopic rod 2, the connecting ring 8 is connected with the first connecting block 9 by using a second threaded rod 11, then a connecting shaft is inserted into the connecting ring 8 to connect the damper as a whole with the outside.
[0032] The top of the top plate 18 and the middle of the bottom of the outer cylinder 1 are both fixed with a first connecting block 9, one side of the second connecting block 10 is rotatably connected with a second threaded rod 11, the second threaded rod 11 penetrates the first connecting block 9, when the damper is directly welded and fixed, the second threaded rod 11 is removed to take down the connecting ring 8, the first connecting block 9 is directly welded with the outside.
[0033] The bottom of the top plate 18 is fixed with a third connecting block 19, one side of the third connecting block 19 is fixed with the top end of the spring 17, the spring 17 is fixed on the top plate 18 through the third connecting block 19, the spring 17 is prevented from rotating by itself during damping.
[0034] The specific use mode and effect of the embodiment are as follows:
[0035] The utility model discloses, first according to the environment of installation selection whether use connecting ring 8, use second threaded rod 11 with connecting ring 8 is connected to first connecting block 9, then insert the connecting axle in connecting ring 8 with damper whole and external connection, when damper direct welding fixed, remove second threaded rod 11 with connecting ring 8 is taken down, directly with first connecting block 9 and external welding, install and use when, when needing to adjust the hardness of damper, rotate third threaded rod 16 to change the position of moving ring 15, and then change the air pressure of air in oil storage cavity 13, change the force of oil liquid in oil storage cavity 13, and then change the force of outer tube 1 and telescopic link 2 stretch, quickly adjust the hardness of damper whole, after long time use, when the elasticity of spring 17 is bad, rotate threaded ring 4 in the outer wall rotation of outer tube 1, to change the position of threaded ring 4, adjust after, first threaded rod 6 passes threaded ring 4 and is connected in limit block 5, finally with nut 7 fastening, and then the position of threaded ring 4 is positioned, prevent threaded ring 4 position when using the deviation.
[0036] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the application, the practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.
Claims
1. A high-performance automobile damper, comprising an outer cylinder (1), an inner cylinder (12) fixed to the top of the inner wall of the outer cylinder (1), a piston (3) movably sleeved on the inner wall of the inner cylinder (12), and an extension rod (2) fixed to the top of the piston (3), characterized in that: The telescopic rod (2) top is fixed with a top plate (18), the outer cylinder (1) and the inner cylinder (12) middle part is provided with an oil storage cavity (13), the oil storage cavity (13) inner wall is movably sleeved with a moving ring (15), the outer cylinder (1) outer wall top is penetrated with a third threaded rod (16), the third threaded rod (16) bottom is rotatably connected with the moving ring (15), the outer cylinder (1) and the telescopic rod (2) outer wall is provided with a spring (17).
2. The high performance automotive damper of claim 1, wherein: The moving ring (15) bottom is fixed with a sealing ring (14), the sealing ring (14) diameter value is adapted to the diameter value of the oil storage cavity (13).
3. The high performance automotive damper of claim 1, wherein: The outer cylinder (1) outer wall bottom is threadedly connected with a threaded ring (4), the threaded ring (4) top is attached to the spring (17) bottom.
4. The high performance automotive damper of claim 3, wherein: The threaded ring (4) top is rotatably connected with a first threaded rod (6), the outer cylinder (1) outer wall bottom is fixed with a limiting block (5), the first threaded rod (6) other end penetrates the limiting block (5) top, and the first threaded rod (6) bottom is threadedly connected with a nut (7).
5. The high performance automotive damper of claim 1, wherein: The top plate (18) top and the outer cylinder (1) bottom are both placed with a second connecting block (10), the two second connecting blocks (10) away from the telescopic rod (2) one end are both fixed with a connecting ring (8).
6. The high performance automotive damper of claim 5, wherein: The top plate (18) top and the outer cylinder (1) bottom middle part are both fixed with a first connecting block (9), the second connecting block (10) one side is rotatably connected with a second threaded rod (11), and the second threaded rod (11) penetrates the first connecting block (9).
7. The high performance automotive damper of claim 1, wherein: The top plate (18) bottom is fixed with a third connecting block (19), and the third connecting block (19) one side is fixed with the spring (17) top end.