CN218935122U - Hydraulic buffer mechanism of shock absorber - Google Patents
Hydraulic buffer mechanism of shock absorber Download PDFInfo
- Publication number
- CN218935122U CN218935122U CN202320026629.8U CN202320026629U CN218935122U CN 218935122 U CN218935122 U CN 218935122U CN 202320026629 U CN202320026629 U CN 202320026629U CN 218935122 U CN218935122 U CN 218935122U
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- piston rod
- limiting plate
- guide head
- shock absorber
- inner cylinder
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Abstract
The utility model discloses a hydraulic buffer mechanism of a shock absorber, which comprises an inner cylinder and an outer cylinder, wherein one end of the outer cylinder is connected with a guide head, a piston rod penetrates through the middle of the guide head, the piston rod stretches into the inner cylinder, a restoring valve is connected to the piston rod, one end of the guide head is connected with an oil seal, a first oil hole communicated with the outer cylinder is formed in the guide head, one end of the guide head is communicated with the inner cylinder, one end of the guide head is provided with an annular sleeve, one end of the inner cylinder is tightly pressed and connected with the annular sleeve, a circular flow limiting plate is arranged on the outer ring of the piston rod, the flow limiting plate is connected with a movement adjusting assembly, the flow limiting plate can stretch into the annular sleeve, and the inner diameter of the annular sleeve is smaller than that of the inner cylinder. The utility model can realize secondary hydraulic buffering in the wheel jumping process, so that the wheel jumping speed is reduced, vibration is reduced, and meanwhile, the stroke amount of the secondary hydraulic buffering can be adjusted according to different road conditions and vehicle types, and the use flexibility of the secondary hydraulic buffering is improved.
Description
Technical Field
The utility model relates to a shock absorber, in particular to a hydraulic buffer mechanism of the shock absorber.
Background
The shock absorber is mainly arranged on the motor vehicle to absorb shock in the running process of the vehicle, so that the driving and riding experience of the vehicle are improved. The traditional shock absorber has the working principle that a wheel frame is connected with a piston rod of the traditional shock absorber, the piston rod drives a reset valve to act when acting, and then vibration-reducing oil is extruded to pass through oil holes on parts such as a guide head, the reset valve, a cylinder cover and the like to generate heat so as to absorb the energy of vehicle vibration and further realize shock absorption, and the structure of the shock absorber has the defects that: the damping buffering acting force is generally constant, secondary buffering damping cannot be achieved, and particularly in some hollow road sections with poor road conditions, the damping effect is poor, so that driving and riding comfort of a vehicle are poor.
Disclosure of Invention
In view of the shortcomings of the background art, an object of the present utility model is to provide a hydraulic buffer mechanism for a shock absorber for solving the above problems.
For this purpose, the utility model is realized by adopting the following scheme:
the utility model provides a hydraulic buffer mechanism of bumper shock absorber, has interior jar and outer jar, the one end and the direction head of outer jar are connected, the piston rod is worn to be equipped with in the direction head middle part, the piston rod stretches into in the interior jar, be connected with the recovery valve on the piston rod, the one end of direction head is connected with the oil blanket, the first oilhole with outer jar intercommunication has on the direction head, the one end and the interior jar intercommunication of direction head, its characterized in that: the one end of direction head is provided with the annular cover, the one end and the annular cover of interior jar sticis to be connected together, the outer lane of piston rod is provided with circular shape current-limiting plate, current-limiting plate is connected with removal adjusting part, current-limiting plate can stretch into in the annular cover, just the internal diameter of annular cover is less than the internal diameter of interior jar.
Above-mentioned technical scheme's hydraulic buffer gear through setting up the current-limiting plate on the piston rod to set up annular cover on the direction head, when the vehicle was gone to the pothole highway section, the wheel frame together with the piston rod when jumping down, the current-limiting plate on the piston rod can stretch into annular cover in, because the internal diameter of annular cover is less than the internal diameter of inner cylinder, the damping oil in the annular cover can flow from annular cover and the clearance between the current-limiting plate, because the circulation clearance diminishes, the flow velocity of damping oil slows down, the hydraulic resistance of production can slow down the piston rod and the jumping down speed of wheel frame, and then play the effect of secondary buffering.
The guide head and the annular sleeve are of an integrated structure.
By adopting the structure, the forming processing of the guide head and the annular sleeve is convenient.
The movable adjusting assembly comprises a front adjusting nut and a rear adjusting nut which are in threaded connection with a threaded section on a piston rod, a transmission plate is tightly pressed between the front adjusting nut and the rear adjusting nut, the transmission plate is in threaded connection with one end of a transmission rod of an inner cavity of the piston rod, the other end of the transmission rod is in threaded connection with a connecting part on the current limiting plate, and a strip-shaped groove for the connecting part to pass through is formed in the piston rod.
By adopting the technical scheme, the position of the current limiting plate can be conveniently adjusted according to different test driving road conditions and vehicle types, the stroke position of secondary buffering shock absorption is adjusted, and more proper secondary hydraulic buffering is provided.
Drawings
The utility model has the following drawings:
fig. 1 is a cross-sectional view of the present utility model.
Detailed Description
As shown in the figure, the hydraulic buffer mechanism of the shock absorber disclosed by the utility model is provided with an inner cylinder 13 and an outer cylinder 12, one end of the outer cylinder 12 is connected with a guide head 3, a piston rod 1 is penetrated in the middle of the guide head 3, a supporting sleeve 14 is arranged in the middle of the guide head 3 to guide and support the movement of the piston rod 1, an oil duct is arranged on the supporting sleeve 14 to realize the interaction of inner cylinder damping oil and outer cylinder damping oil, the piston rod 1 stretches into the inner cylinder 13, a restoring valve 8 is connected on the piston rod 1, the inner cavity of the inner cylinder 13 is divided into a first inner cavity 6 and a second inner cavity 9 by the restoring valve 8, one end of the guide head 3 is connected with an oil seal 2, a first oil hole 4 communicated with the outer cylinder 12 is formed in the guide head 3, one end of the guide head 3 is communicated with the inner cylinder 12, and an annular sleeve 5 is arranged at one end of the guide head 3. One end of the inner cylinder 13 is tightly pressed and connected with the annular sleeve 5, the other end of the inner cylinder 13 is connected with the cylinder cover 10, an oil hole which can be communicated with the outer cylinder 12 is formed in the cylinder cover, a circular flow limiting plate 7 is arranged on the outer ring of the piston rod 1, the flow limiting plate 7 is connected with the movable adjusting assembly, the flow limiting plate 7 can extend into the annular sleeve 5, and the inner diameter of the annular sleeve 5 is smaller than that of the inner cylinder 13. The movable adjusting component comprises a front adjusting nut 17 and a rear adjusting nut 15 which are screwed on a threaded section on the piston rod 1, a transmission plate 16 is tightly pressed between the front adjusting nut and the rear adjusting nut, the transmission plate 16 is screwed with one end of a transmission rod 18 of an inner cavity of the piston rod 1, the other end of the transmission rod 18 is screwed with a connecting part 19 on the current limiting plate 7, a strip-shaped groove for the connecting part 19 to pass through is formed in the piston rod 1, the transmission plate 16 can be driven to move by controlling the position of the front adjusting nut and the rear adjusting nut, the current limiting plate 7 is driven to move by the transmission rod 18, the position of the current limiting plate 7 can be conveniently adjusted according to different test driving road conditions and vehicle types, the stroke position of secondary buffering and damping is adjusted, and more proper secondary hydraulic buffering is provided.
The working principle of the utility model is as follows: when the automobile runs to a hollow road section and the wheel frame and the piston rod 1 jump downwards, the reset valve 8 acts, at the moment, the volume of the first inner cavity 6 is reduced, damping oil in the first inner cavity is pressed into the oil cavity 11 of the outer cylinder 12 through the oil hole of the guide head 3, the damping oil in the oil cavity 11 is pressed into the second inner cavity 9 through the oil hole of the cylinder cover 10, after the wheel jumps downwards to a certain distance, the flow limiting plate 7 on the piston rod extends into the annular sleeve 5, the damping oil in the annular sleeve 5 flows through a gap between the annular sleeve 5 and the flow limiting plate 7 because the inner diameter of the annular sleeve 5 is smaller than the inner diameter of the inner cylinder 13, the flowing speed of the damping oil is reduced because the flowing gap is reduced, the generated hydraulic resistance can slow down the jumping speed of the piston rod and the wheel frame, the effect of secondary buffering is further achieved, and the driving and riding comfort of the automobile is effectively improved.
Claims (3)
1. The utility model provides a hydraulic buffer mechanism of bumper shock absorber, has interior jar and outer jar, the one end and the direction head of outer jar are connected, the piston rod is worn to be equipped with in the direction head middle part, the piston rod stretches into in the interior jar, be connected with the recovery valve on the piston rod, the one end of direction head is connected with the oil blanket, the first oilhole with outer jar intercommunication has on the direction head, the one end and the interior jar intercommunication of direction head, its characterized in that: the one end of direction head is provided with the annular cover, the one end and the annular cover of interior jar sticis to be connected together, the outer lane of piston rod is provided with circular shape current-limiting plate, current-limiting plate is connected with removal adjusting part, current-limiting plate can stretch into in the annular cover, just the internal diameter of annular cover is less than the internal diameter of interior jar.
2. The hydraulic cushioning mechanism of a shock absorber of claim 1 wherein the guide head and annular sleeve are of unitary construction.
3. The hydraulic buffer mechanism of the shock absorber according to claim 1, wherein the movement adjusting assembly comprises a front adjusting nut and a rear adjusting nut which are screwed with the threaded section on the piston rod, a transmission plate is tightly pressed between the front adjusting nut and the rear adjusting nut, the transmission plate is screwed with one end of a transmission rod of the cavity inside the piston rod, the other end of the transmission rod is screwed with a connecting part on the current limiting plate, and a strip-shaped groove for the connecting part to pass through is formed on the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026629.8U CN218935122U (en) | 2023-01-06 | 2023-01-06 | Hydraulic buffer mechanism of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026629.8U CN218935122U (en) | 2023-01-06 | 2023-01-06 | Hydraulic buffer mechanism of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218935122U true CN218935122U (en) | 2023-04-28 |
Family
ID=86084491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320026629.8U Active CN218935122U (en) | 2023-01-06 | 2023-01-06 | Hydraulic buffer mechanism of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218935122U (en) |
-
2023
- 2023-01-06 CN CN202320026629.8U patent/CN218935122U/en active Active
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