Damping-adjustable automobile shock absorber

Abstract

The utility model provides an automobile shock absorber with adjustable damping. The damping-adjustable automobile shock absorber comprises a hydraulic pipe sleeve, the interior of the hydraulic pipe sleeve is slidably connected with a vertically-arranged lifting column, the top of the lifting column is fixedly connected with a connecting base, the lifting column is sleeved with a spring, and the interior of the hydraulic pipe sleeve is slidably connected with a horizontally-arranged lifting base; a plurality of adjusting holes are evenly formed in the lifting base at intervals and are arranged in a concentric fan shape, a rotating shaft is fixedly connected to the top of the lifting base, the top of the rotating shaft is fixedly connected with the lifting column, an adjusting piston is rotationally connected to the rotating shaft, and the bottom of the adjusting piston abuts against the lifting base. The adjusting piston is provided with a plurality of liquid outlets arranged at intervals. According to the automobile shock absorber, the liquid outlet is formed, when the automobile shock absorber needs to be adjusted, the lifting column is rotated to drive the adjusting piston to rotate, the effect of adjusting the size of the liquid outlet is achieved, and the effect of adjusting the damping effect of the shock absorber is achieved.

Description

Technical Field

[0001] The utility model relates to the field of automobile shock absorbers, in particular to an automobile shock absorber with adjustable damping. Background Art

[0002] Shock absorbers are used to suppress the vibration caused by the rebound of the spring after absorbing shock and the impact from the road. They are widely used in automobiles to accelerate the attenuation of frame and body vibrations to improve the driving smoothness of the car. When passing through uneven roads, although the shock-absorbing spring can filter out the vibration of the road, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jump.

[0003] In the existing technology, such as the "A Automobile Shock Absorber" with Chinese Authorization Announcement No.: CN222067458U, which includes a cylinder, a compression spring is sleeved on the cylinder, a sealing screw block is detachably installed in the cylinder, a piston rod is slidably provided in the middle part of the sealing screw block, and a sealing assembly is provided at the bottom of the sealing screw block; the sealing assembly includes a sealing gasket fixed to the bottom of the sealing screw block, an extrusion ring is fixed to the bottom of the sealing gasket by a fixing spring, and an extrusion notch is also provided on the bottom end surface of the sealing gasket. The utility model can use the impact force generated by the inflow of hydraulic oil through the connecting hole to make the extrusion ring enter the extrusion notch, so that the outer edge of the sealing gasket is more tightly attached to the inner wall of the cylinder, thereby further sealing it, greatly enhancing the sealing performance of the sealing gasket, and effectively reducing the risk of hydraulic oil in the upper oil chamber leaking out of the sealing screw block due to excessive pressure.

[0004] In the existing technology for automobile shock absorption, since the buffering effect inside the cylinder is fixed and difficult to adjust, it is difficult to match the cylinder with springs of different elastic forces, which greatly limits the use environment of the shock absorber.

[0005] Therefore, it is necessary to provide a kind of automobile shock absorber with adjustable damping to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides an automobile shock absorber with adjustable damping to solve the above problem.

[0007] In order to solve the above technical problems, the utility model provides a damping adjustable automobile shock absorber, comprising a hydraulic sleeve, the interior of the hydraulic sleeve is slidably connected with a vertically arranged lifting column, the top of the lifting column extends to the outside of the hydraulic sleeve and the top of the lifting column is fixedly connected with a connecting seat, a spring is provided on the outer sleeve of the lifting column between the connecting seat and the top of the hydraulic sleeve, one end of the spring is fixedly connected to the top of the hydraulic sleeve, and the other end of the spring is fixedly connected to the bottom of the connecting seat, a horizontally arranged lifting seat is slidably connected in the hydraulic sleeve, a plurality of adjustment holes arranged at intervals are evenly provided on the lifting seat, and the plurality of adjustment holes are arranged in the shape of concentric circles, a vertically arranged rotating shaft is fixedly connected to the top of the lifting seat, the top of the rotating shaft is fixedly connected to the lifting column, and an adjusting piston is rotatably connected to the rotating shaft between the lifting column and the lifting seat, the bottom of the adjusting piston is arranged against the lifting seat, and a plurality of discharge ports arranged at intervals are provided on the adjusting piston, and the discharge ports are also arranged in the shape of concentric circles.

[0008] A limiting groove is provided on the inner wall of the hydraulic sleeve, and a lifting block is fixedly connected to the outer wall of the lifting seat. The lifting block is slidably connected in the limiting groove, that is, the lifting seat is slidably connected in the hydraulic sleeve through the lifting block.

[0009] The outside of the connecting seat is fixedly sleeved with a positioning ring, the internal thread of the positioning ring is connected to a vertically arranged positioning rod, and a positioning mechanism is installed on the outside of the hydraulic pipe sleeve. The positioning mechanism includes a positioning sleeve, which is fixedly sleeved on the outside of the hydraulic pipe sleeve, and the positioning sleeve is provided with positioning holes arranged at intervals along its circumference.

[0010] An auxiliary mechanism is arranged on the top of the positioning rod, and the auxiliary mechanism comprises a rotating sleeve, the rotating sleeve is fixedly sleeved on the top of the positioning rod, and an anti-slip groove is arranged on the outer side wall of the rotating sleeve.

[0011] The outer sleeve of the lifting column is provided with a sealing pad, which is fixedly connected to the top of the inner cavity of the hydraulic pipe sleeve, and the material of the sealing pad is rubber material.

[0012] There are four discharge ports, which are evenly distributed on the regulating piston; accordingly, there are also four regulating holes, which are evenly distributed on the lifting seat.

[0013] A protective pad is fixedly connected to the outer side wall of the lifting block, and the material of the protective pad is high manganese steel material.

[0014] Compared with the related art, the automobile shock absorber with adjustable damping provided by the utility model has the following beneficial effects:

[0015] The utility model provides an automobile shock absorber with adjustable damping. By setting a discharge port, when the automobile shock absorber needs to be adjusted, the lifting column is rotated so that the lifting column can drive the adjusting piston to rotate relative to the lifting seat, so that the lifting seat can adjust the size of the discharge port, that is, the adjustment effect of the hydraulic oil flow inside the discharge port is achieved, thereby achieving the adjustment effect of the lifting speed of the adjusting piston, that is, the adjustment effect of the damping effect of the shock absorber is achieved, thereby improving the wide range of application of the shock absorber. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of a damping-adjustable automobile shock absorber provided by the utility model;

[0017] Figure 2 for Figure 1 A front view of a vehicle shock absorber with adjustable damping is shown;

[0018] Figure 3 for Figure 1 A front view of a lifting column in a damping-adjustable automobile shock absorber is shown;

[0019] Figure 4 for Figure 1 A front view of a lifting seat in a damping adjustable automobile shock absorber is shown.

[0020] Numbers in the figure: 1. Hydraulic pipe sleeve; 2. Lifting column; 3. Spring; 4. Limiting groove; 5. Lifting block; 6. Lifting seat; 7. Adjusting piston; 8. Drain port; 9. Protective pad; 10. Connecting seat; 11. Positioning ring; 12. Positioning rod; 13. Sealing pad; 14. Positioning mechanism; 141. Positioning sleeve; 142. Positioning hole; 15. Auxiliary mechanism; 151. Rotating sleeve; 152. Anti-skid groove; 16. Adjusting hole. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a damping-adjustable automobile shock absorber provided by the utility model; Figure 2 for Figure 1 A front view of a vehicle shock absorber with adjustable damping is shown; Figure 3 for Figure 1 A front view of a lifting column in a damping-adjustable automobile shock absorber is shown; Figure 4 for Figure 1A front view of a lifting seat in a damping adjustable automobile shock absorber is shown. A damping adjustable automobile shock absorber comprises a hydraulic sleeve 1, wherein a vertically arranged lifting column 2 is slidably connected inside the hydraulic sleeve 1, the top of the lifting column 2 extends to the outside of the hydraulic sleeve 1 and a connecting seat 10 is fixedly connected to the top of the lifting column 2, a spring 3 is sleeved outside the lifting column 2 between the connecting seat 10 and the top of the hydraulic sleeve 1, one end of the spring 3 is fixedly connected to the top of the hydraulic sleeve 1, and the other end of the spring 3 is fixedly connected to the bottom of the connecting seat 10, a horizontally arranged lifting seat 6 is slidably connected inside the hydraulic sleeve 1, a plurality of adjustment holes 16 arranged at intervals are evenly provided on the lifting seat 6, and the plurality of adjustment holes 16 are arranged in the shape of concentric circles, a vertically arranged rotating shaft is fixedly connected to the top of the lifting seat 6, the top of the rotating shaft is fixedly connected to the lifting column 2, and an adjusting piston 7 is rotatably connected to the rotating shaft between the lifting column 2 and the lifting seat 6, the bottom of the adjusting piston 7 is arranged against the lifting seat 6, a plurality of discharge ports 8 arranged at intervals are provided on the adjusting piston 7, and the discharge ports 8 are also arranged in the shape of concentric circles.

[0023] By setting the drain port 8, when the automobile shock absorber needs to be adjusted, the lifting column 2 is rotated so that the lifting column 2 can drive the adjusting piston 7 to rotate, that is, the movement of the drain port 8 relative to the lifting seat 6 is realized, so that the lifting seat 6 can adjust the size of the drain port 8, part of the drain port 8 is connected with the adjusting hole 16, and part of the drain port 8 is shielded by the lifting seat 6 at the gap between the adjusting holes 16, thereby achieving the adjustment of the size of the drain port 8, that is, achieving the adjustment effect of the hydraulic oil flow inside the drain port 8, thereby achieving the adjustment effect of the lifting speed of the adjusting piston 7, that is, achieving the adjustment effect of the damping effect of the shock absorber, thereby improving the wide range of shock absorber applications. By setting the spring 3, when the vibration source is damped, the connecting seat 10 is fixed on the surface of the vibration source, so that when the connecting seat 10 is compressed, it can drive the adjusting piston 7 to rise and fall through the lifting column 2, so that the hydraulic oil inside the hydraulic pipe sleeve 1 can buffer the adjusting piston 7, thereby achieving the damping effect of the adjusting piston 7, that is, achieving the shock absorbing effect of the shock absorber.

[0024] In another embodiment, a limiting groove 4 is provided on the inner side wall of the hydraulic sleeve 1, and a lifting block 5 is fixedly connected to the outer side wall of the lifting seat 6, and the lifting block 5 is slidably connected in the limiting groove 4, that is, the lifting seat 6 is slidably connected in the hydraulic sleeve 1 through the lifting block 5. By providing the limiting groove 4, when the lifting column 2 drives the lifting seat 6 to move up and down through the adjusting piston 7, the limiting groove 4 can limit the lifting seat 6 through the lifting block 5, thereby reducing the problem of tilting and deflecting when the lifting seat 6 is lifted or lowered, thereby improving the stability of the lifting seat 6 when it is lifted or lowered.

[0025] In another embodiment, the outside of the connection seat 10 is fixedly sleeved with a positioning ring 11, and the internal thread of the positioning ring 11 is connected with a vertically arranged positioning rod 12. The outside of the hydraulic pipe sleeve 1 is installed with a positioning mechanism 14, and the positioning mechanism 14 includes a positioning sleeve 141, and the positioning sleeve 141 is fixedly sleeved on the outside of the hydraulic pipe sleeve 1. The positioning sleeve 141 is provided with spaced positioning holes 142 along its circumference. By setting the positioning mechanism 14, when the damping adjustment of the shock absorber is completed, the positioning rod 12 is rotated so that the end of the positioning rod 12 can be inserted into the inside of the positioning hole 142, and then the position of the connection seat 10 can be relatively fixed by the positioning rod 12, reducing the problem of automatic rotation of the regulating piston 7 caused by the rotation of the connection seat 10 when it is raised or lowered, thereby improving the stability of the regulating piston 7 when it is raised or lowered.

[0026] In another embodiment, an auxiliary mechanism 15 is provided at the top of the positioning rod 12, and the auxiliary mechanism 15 includes a rotating sleeve 151, which is fixedly sleeved on the top of the positioning rod 12, and an anti-slip groove 152 is provided on the outer wall of the rotating sleeve 151; by providing the auxiliary mechanism 15, when the connecting seat 10 is positioned, the rotating sleeve 151 is manually rotated, so that the rotating sleeve 151 can drive the positioning rod 12 to rotate, which facilitates the manual rotation of the positioning rod 12.

[0027] In another embodiment, a sealing gasket 13 is provided on the outer sleeve of the lifting column 2, and the sealing gasket 13 is fixedly connected to the top of the inner cavity of the hydraulic sleeve 1, and the material of the sealing gasket 13 is a rubber material; by providing the sealing gasket 13, when the adjusting piston 7 compresses the hydraulic oil inside the hydraulic sleeve 1, the sealing gasket 13 can seal the internal gap of the hydraulic sleeve 1, thereby improving the sealing inside the hydraulic sleeve 1 and reducing the problem of penetration of the hydraulic oil inside the hydraulic sleeve 1 when the hydraulic oil is compressed.

[0028] In another embodiment, the number of the drainage ports 8 is four, and the four drainage ports 8 are evenly distributed on the regulating piston 7 ; accordingly, the number of the regulating holes 16 is also four, and the four regulating holes 16 are evenly distributed on the lifting seat 6 .

[0029] In another embodiment, a protective pad 9 is fixedly connected to the outer wall of the lifting block 5, and the material of the protective pad 9 is high manganese steel. By providing the protective pad 9, when the lifting seat 6 drives the lifting block 5 to move up and down, the protective pad 9 can protect the lifting block 5, reducing the problem of rapid wear caused by friction between the lifting block 5 and the inner wall of the limiting groove 4, thereby extending the service life of the lifting block 5, that is, improving the service life of the shock absorber.

[0030] The working principle of the automobile shock absorber with adjustable damping provided by the utility model is as follows:

[0031] First, when the automobile shock absorber needs to be adjusted, the lifting column 2 is rotated, and the lifting column 2 drives the adjusting piston 7 to rotate relative to the lifting seat 6, so that the lifting seat 6 can cover or connect the drain port 8, thereby achieving the adjustment of the size of the drain port 8, that is, achieving the adjustment effect of the shock absorber damping effect; when the shock absorber damping adjustment is completed, the end of the positioning rod 12 is passed through the positioning ring 11 and the corresponding positioning hole 142 in turn, and then, the positioning rod 12 is rotated so that the top end of the positioning rod 12 is connected to the positioning ring 11 through a thread, thereby achieving the fixation of the position of the positioning rod 12.

[0032] When performing vibration source damping, the connecting seat 10 is fixed on the surface of the vibration source, so that when the connecting seat 10 is compressed, it can drive the adjusting piston 7 to rise and fall through the lifting column 2, so that the hydraulic oil inside the hydraulic pipe sleeve 1 can buffer the adjusting piston 7, thereby achieving the damping effect of the shock absorber.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A damping adjustable automobile shock absorber, comprising a hydraulic sleeve, characterized in that: The inside of the hydraulic sleeve is slidably connected with a vertically arranged lifting column, the top of the lifting column extends to the outside of the hydraulic sleeve and the top of the lifting column is fixedly connected with a connecting seat, a spring is provided on the outside of the lifting column between the connecting seat and the top of the hydraulic sleeve, one end of the spring is fixedly connected to the top of the hydraulic sleeve, and the other end of the spring is fixedly connected to the bottom of the connecting seat, a horizontally arranged lifting seat is slidably connected inside the hydraulic sleeve, a plurality of adjustment holes arranged at intervals are evenly provided on the lifting seat, and the plurality of adjustment holes are arranged in the shape of concentric circles, a vertically arranged rotating shaft is fixedly connected to the top of the lifting seat, the top of the rotating shaft is fixedly connected to the lifting column, and an adjusting piston is rotatably connected to the rotating shaft between the lifting column and the lifting seat, the bottom of the adjusting piston is arranged in contact with the lifting seat, and a plurality of discharge ports arranged at intervals are provided on the adjusting piston, and the discharge ports are also arranged in the shape of concentric circles.

2. The automobile shock absorber with adjustable damping according to claim 1, characterized in that: A limiting groove is provided on the inner wall of the hydraulic sleeve, and a lifting block is fixedly connected to the outer wall of the lifting seat. The lifting block is slidably connected in the limiting groove, that is, the lifting seat is slidably connected in the hydraulic sleeve through the lifting block.

3. The automobile shock absorber with adjustable damping according to claim 2, characterized in that: The outside of the connecting seat is fixedly sleeved with a positioning ring, the internal thread of the positioning ring is connected to a vertically arranged positioning rod, and a positioning mechanism is installed on the outside of the hydraulic pipe sleeve. The positioning mechanism includes a positioning sleeve, which is fixedly sleeved on the outside of the hydraulic pipe sleeve, and the positioning sleeve is provided with positioning holes arranged at intervals along its circumference.

4. The automobile shock absorber with adjustable damping according to claim 3, characterized in that: An auxiliary mechanism is arranged on the top of the positioning rod, and the auxiliary mechanism comprises a rotating sleeve, the rotating sleeve is fixedly sleeved on the top of the positioning rod, and an anti-slip groove is arranged on the outer side wall of the rotating sleeve.

5. The automobile shock absorber with adjustable damping according to claim 4, characterized in that: The outer sleeve of the lifting column is provided with a sealing pad, which is fixedly connected to the top of the inner cavity of the hydraulic pipe sleeve, and the material of the sealing pad is rubber material.

6. The automobile shock absorber with adjustable damping according to claim 5, characterized in that: There are four discharge ports, which are evenly distributed on the regulating piston; accordingly, there are also four regulating holes, which are evenly distributed on the lifting seat.

7. The automobile shock absorber with adjustable damping according to claim 6, characterized in that: A protective pad is fixedly connected to the outer side wall of the lifting block, and the material of the protective pad is high manganese steel material.

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