CN216200094U - Shock absorber with adjustable lower part - Google Patents
Shock absorber with adjustable lower part Download PDFInfo
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- CN216200094U CN216200094U CN202122313923.0U CN202122313923U CN216200094U CN 216200094 U CN216200094 U CN 216200094U CN 202122313923 U CN202122313923 U CN 202122313923U CN 216200094 U CN216200094 U CN 216200094U
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- piston rod
- shock absorber
- piston
- spring
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Abstract
The utility model relates to the field of shock absorbers, in particular to a shock absorber with an adjustable lower part, which comprises a base, a hydraulic cylinder arranged on the base, an air bag device, a piston rod and a spring coaxially arranged with the piston rod, wherein the upper end of the hydraulic cylinder is fixedly connected with the base, the lower end of the hydraulic cylinder is provided with a sealing cover, the piston rod is arranged in the hydraulic cylinder, one end of the piston rod penetrates through the sealing cover and is provided with a supporting seat, a piston assembly is arranged in the hydraulic cylinder on the piston rod and comprises a piston body, a valve plate, a first limiting block and a second limiting block which are sleeved on the piston rod, and a locking bolt which locks the piston body, the valve plate, the first limiting block and the second limiting block on the piston rod, a channel which is communicated with the piston rod is arranged in the piston rod, an adjusting rod is arranged in the channel, and an adjusting nut is arranged at the other end of the piston rod, so that the problem that the adjustment mode of the reciprocating stroke of the shock absorber in the prior art is complicated is solved, the service life is short.
Description
Technical Field
The utility model relates to the field of shock absorbers, in particular to a shock absorber with an adjustable lower part.
Background
The shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and the impact from the road surface. The damping device is widely applied to automobiles and is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobiles. When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.
According to different use scenes, the shock absorber can be divided into a hydraulic shock absorber, an inflatable shock absorber, a double-cylinder shock absorber and a single-cylinder shock absorber.
The utility model of chinese patent application No. 201711304750.8 discloses a shock absorber, which includes a base, a main shock absorbing unit, an auxiliary shock absorbing unit and a damping adjustment mechanism. The main shock-absorbing unit, the auxiliary shock-absorbing unit and the damping adjusting mechanism are respectively arranged on the base, the damping adjusting mechanism comprises a rebound flow channel, a first compression flow channel, a second compression flow channel, a rebound adjusting piece, a first compression adjusting piece and a second compression adjusting piece, the rebound adjusting piece is used for adjusting the flow of the rebound flow channel, the first compression adjusting piece is used for adjusting the flow of the first compression flow channel, and the second compression adjusting piece is used for adjusting the flow of the second compression flow channel. The reciprocating stroke of the shock absorber disclosed by the utility model can be properly adjusted according to the environment so as to meet different use requirements, but the adjustment mode is more complicated and the technical problem of service life reduction is also solved.
SUMMERY OF THE UTILITY MODEL
Therefore, aiming at the problems, the utility model provides a lower adjustable shock absorber, which solves the technical problems of more complicated adjustment mode of the reciprocating stroke of the shock absorber and short service life in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: a shock absorber with an adjustable lower part comprises a base, a hydraulic cylinder arranged on the base, an air bag device, a piston rod and a spring coaxially arranged with the piston rod, wherein the spring is arranged on the piston rod and the hydraulic cylinder in a surrounding manner, the upper end of the hydraulic cylinder is fixedly connected with the base, the lower end of the hydraulic cylinder is provided with a sealing cover, the piston rod is arranged in the hydraulic cylinder, one end of the piston rod penetrates out of the sealing cover and is provided with a supporting seat, a piston assembly is arranged on the piston rod and is positioned in the hydraulic cylinder, the piston assembly comprises a piston body, a valve plate, a first limiting block and a second limiting block which are sleeved on the piston rod, and a locking bolt which locks the piston body on the piston rod, a first flow opening and a second flow opening are arranged in the piston body, a channel which is communicated with the piston rod is arranged in the piston rod, and an adjusting rod is arranged in the channel, one end of the adjusting rod is conical, and the other end of the adjusting rod is provided with an adjusting nut.
Further, a transportation channel is arranged between the air bag device and the hydraulic cylinder.
Further, one end of the spring abuts against the base, and the other end of the spring abuts against the supporting seat.
Furthermore, both ends of the spring are provided with protection blocks.
Furthermore, an annular groove is concavely arranged on the outer surface of the piston body in a surrounding mode, and a rubber sealing ring is embedded in the annular groove.
By adopting the technical scheme, the utility model has the beneficial effects that:
1. through be provided with the regulation pole in the piston rod, adjust the pole bottom and be provided with adjusting nut, through adjusting nut adjusting rod's upper and lower activity, further can adjust the distance of pole top and oil circuit to this flux of controlling damping oil, the flow efficiency of damping oil between the regulation hydraulic pressure section of thick bamboo that can be better and the gasbag device, better improvement shock attenuation effect.
2. A transportation channel is arranged between the air bag device and the hydraulic cylinder, so that damping oil can flow back and forth conveniently, and meanwhile, the air bag device can also store the damping oil and be suitable for shock absorbers of different sizes.
3. Spring one end supports and leans on the base, and the other end supports and leans on the supporting seat guarantees the stability of whole bumper shock absorber.
4. The spring both ends all are provided with the protection piece, can strengthen the stability of spring, avoid the spring to slide.
5. Encircle the concave ring channel that is equipped with on the surface of piston body, the embedded rubber seal that is equipped with of ring channel has strengthened the interior sealing performance of hydraulic cylinder and directly can improve the work efficiency of bumper shock absorber simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an exploded structure of the present invention;
fig. 3 is a schematic view of the internal piston assembly of the present invention.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 3, this embodiment provides a shock absorber with adjustable bottom, which includes a base 1, a hydraulic cylinder 2 disposed on the base 1, an air bag device 3, a piston rod 4, and a spring 5 coaxially disposed on the piston rod 4, wherein the spring 5 is disposed around the piston rod 4 and the hydraulic cylinder 2, the upper end of the hydraulic cylinder 2 is fixedly connected to the base 1, the lower end of the hydraulic cylinder 2 is disposed with a sealing cap 21, the piston rod 4 is disposed in the hydraulic cylinder 2, one end of the piston rod penetrates out of the sealing cap 21 and is disposed with a supporting seat 6, one end of the spring 5 abuts against the base 1, the other end of the spring abuts against the supporting seat 6, two ends of the spring 5 are both disposed with a protection block 51, the piston rod 4 is disposed in the hydraulic cylinder 2 and is provided with a piston assembly, the piston assembly includes a piston body 9 sleeved on the piston rod, Valve block 94, first stopper 91, second stopper 92 and lock its locking bolt 93 on piston rod 4, encircle the concave ring channel 97 that is equipped with on the surface of piston body 9, the embedded rubber seal 98 that is equipped with of ring channel 97, this internal first circulation mouth 95, the second circulation mouth 96 of being provided with of piston, it has a perfect understanding to have seted up one in the piston rod 4 the passageway 41 of piston rod 4, be provided with one in the passageway 41 and adjust pole 8, adjust the damping oil flux that pole 8 is used for adjusting first circulation mouth 95, adjust 8 one end of pole and set up to the toper, be provided with adjusting nut 7 on the other end, airbag device 3 with be provided with transfer passage 31 between the hydraulic cylinder 2.
The adjustment method of the adjustment rod 8 is a known technique, i.e., a tapered thread is provided at the end of the adjustment nut 7, a thread part corresponding to the tapered thread is provided at the lower end of the adjustment rod 8, and the adjustment nut 7 is rotated to control the up and down of the adjustment rod 8, which will not be described in detail herein; above-mentioned novel soft or hard degree of shock absorber is further adjusted through the flux of control damping oil in the first circulation mouth 95, reaches corresponding regulation effect, is suitable for and different work scene.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a below adjustable shock absorber, includes the base, locate hydraulic pressure section of thick bamboo, gasbag device, piston rod on the base and with the coaxial spring that sets up of piston rod, the spring encircle set up in the piston rod reaches on the hydraulic pressure section of thick bamboo, its characterized in that: the upper end of a hydraulic pressure section of thick bamboo with base fixed connection, the lower extreme of a hydraulic pressure section of thick bamboo is provided with the seal closure, the piston rod set up in the hydraulic pressure section of thick bamboo, its one end is worn out the seal closure and is equipped with the supporting seat, lie in on the piston rod be provided with piston assembly in the hydraulic pressure section of thick bamboo, piston assembly locates piston body, valve block, first stopper, the second stopper on the piston rod and locks its locking bolt on the piston rod including the cover, this internal first circulation mouth and the second circulation mouth of being provided with of piston, it leads to have seted up in the piston rod the passageway of piston rod, be provided with an regulation pole in the passageway, adjust pole one end and set up to the toper, be provided with adjusting nut on the other end.
2. The down adjustable shock absorber according to claim 1, wherein: and a transportation channel is arranged between the air bag device and the hydraulic cylinder.
3. The down adjustable shock absorber according to claim 1, wherein: one end of the spring is abutted against the base, and the other end of the spring is abutted against the supporting seat.
4. The down adjustable shock absorber according to claim 3, wherein: and both ends of the spring are provided with protection blocks.
5. The down adjustable shock absorber according to any one of claims 1 to 4, wherein: an annular groove is concavely arranged on the outer surface of the piston body in a surrounding mode, and a rubber sealing ring is embedded in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122313923.0U CN216200094U (en) | 2021-09-24 | 2021-09-24 | Shock absorber with adjustable lower part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122313923.0U CN216200094U (en) | 2021-09-24 | 2021-09-24 | Shock absorber with adjustable lower part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200094U true CN216200094U (en) | 2022-04-05 |
Family
ID=80921935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122313923.0U Active CN216200094U (en) | 2021-09-24 | 2021-09-24 | Shock absorber with adjustable lower part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200094U (en) |
-
2021
- 2021-09-24 CN CN202122313923.0U patent/CN216200094U/en active Active
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