CN217029772U - Double-cylinder inflatable hydraulic shock absorber for vehicle - Google Patents
Double-cylinder inflatable hydraulic shock absorber for vehicle Download PDFInfo
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- CN217029772U CN217029772U CN202220486338.2U CN202220486338U CN217029772U CN 217029772 U CN217029772 U CN 217029772U CN 202220486338 U CN202220486338 U CN 202220486338U CN 217029772 U CN217029772 U CN 217029772U
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Abstract
The utility model relates to a double-cylinder inflatable hydraulic shock absorber for a vehicle, which comprises an inner cylinder and an outer cylinder, wherein the top end of the inner cylinder is provided with an oil seal sleeve, the oil seal sleeve is provided with an oil seal, the bottom end of the inner cylinder is provided with a bottom cover, the outer cylinder covers the outer side of the inner cylinder, a gap exists between the outer cylinder and the inner cylinder, a piston mechanism is arranged in the inner cylinder, the top of the piston mechanism is provided with a piston rod, the top end of the piston rod is provided with an upper support, a floating piston is arranged below the piston mechanism, hydraulic oil is filled between the oil seal sleeve and the floating piston in the inner cylinder, a separating mechanism is arranged below the floating piston in the inner cylinder, the side wall of the inner cylinder is provided with a ventilation hole below the separating mechanism, the lower end on the left side of the outer cylinder is provided with a gas injection pipe, a gas injection nozzle is arranged on a gas inlet pipe, and compressed air is filled between the inner cylinder and the outer cylinder; the bottom of the bottom cover is provided with a plurality of connecting rods, the bottom ends of the connecting rods are connected with the lower support, the bottom cover is penetrated with an adjusting mechanism, the top end of the adjusting mechanism is connected with the separating mechanism, and the bottom end of the adjusting mechanism is connected with the lower support. The utility model has the advantages of convenient inflation and small loss.
Description
Technical Field
The utility model relates to the technical field of shock absorbers, in particular to a double-cylinder inflatable hydraulic shock absorber for a vehicle.
Background
In order to quickly attenuate the vibration of a frame and a vehicle body and improve the running smoothness and comfort of an automobile, a shock absorber is generally arranged on the automobile, the automobile without the shock absorber jolts violently, and the running experience of a driver is seriously influenced. Due to different road conditions of vehicle running and different vibration and bump conditions, the requirements on the piston stroke are different, the part loss is larger due to overlong stroke, and the service life is reduced. The traditional inflatable hydraulic shock absorber also has the problems that the air pressure is changed violently due to the vibration intensity, or the air pressure is reduced after the traditional inflatable hydraulic shock absorber is used for a long time, the shock absorption effect is influenced, and the inflation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-cylinder inflation hydraulic shock absorber for a vehicle, which has the advantages of movable stroke length of a piston, stable air pressure and convenience in inflation.
The technical scheme of the utility model is as follows:
the utility model relates to a double-cylinder inflation hydraulic shock absorber for a vehicle, which comprises an inner cylinder and an outer cylinder, wherein the top end of the inner cylinder is provided with an oil seal sleeve, the oil seal sleeve is provided with an oil seal, the bottom end of the inner cylinder is provided with a bottom cover, the outer cylinder covers the outer side of the inner cylinder, a gap exists between the outer cylinder and the inner cylinder, the top end and the bottom end of the gap between the outer cylinder and the inner cylinder are respectively blocked by the oil seal sleeve and the bottom cover, a piston mechanism is arranged in the inner cylinder, the top of the piston mechanism is provided with a piston rod, the piston rod penetrates through the inner cylinder and the outer cylinder, the top end of the piston rod is provided with an upper support, a floating piston is arranged below the piston mechanism in the inner cylinder, hydraulic oil is filled between the oil seal sleeve and the floating piston in the inner cylinder, a separation mechanism is arranged below the floating piston, the side wall of the inner cylinder is provided with ventilation holes which are bilaterally symmetrical under the separation mechanism, the lower end on the left side of the outer cylinder is provided with an air injection pipe corresponding to the ventilation holes, the gas injection pipe is provided with a gas injection nozzle, compressed air is filled between the floating piston and the separating mechanism and between the separating mechanism and the bottom cover in the inner cylinder, and compressed air is filled between the inner cylinder and the outer cylinder; the bottom cover is provided with a plurality of connecting rods, the bottom ends of the connecting rods are connected with the lower support, the bottom cover is penetrated with an adjusting mechanism, the top end of the adjusting mechanism is connected with the separating mechanism, and the bottom end of the adjusting mechanism is connected with the lower support.
The piston mechanism comprises a piston head, a stretching valve and a flow valve, the top end of the piston head is connected with the bottom end of the piston rod, and the stretching valve and the flow valve are symmetrically arranged on the piston head in the left-right direction.
The separating mechanism comprises a separating plate, a compression valve and a compensation valve, the bottom end of the separating plate is connected with the adjusting mechanism, and the compression valve and the compensation valve are symmetrically arranged on the separating plate in the left-right direction.
Adjustment mechanism is including adjusting head, regulation cap and threaded rod, it includes the ejector pin on upper portion and the plectane of lower part to adjust the head, the ejector pin bottom links to each other with the centre of a circle at plectane top, the ejector pin top links to each other with division board bottom center, ejector pin and bottom slip swing joint, be equipped with the through-hole that supplies the connecting rod to pass on the plectane, plectane and connecting rod slip swing joint, the threaded rod bottom links to each other with the center on undersetting top, be equipped with the standing groove that supplies the threaded rod upper end to stretch into in the regulation head, threaded swing joint has on the threaded rod the regulation cap, the top of adjusting the cap is hugged closely the bottom of plectane, the length of threaded rod equals with connecting rod length.
The part of the ejector rod in the inner cylinder is provided with a limiting ring along the outer edge, and the distance between the limiting ring and the separating plate is greater than the distance between the ventilating hole and the bottom cover.
The quantity of connecting rod is four, the connecting rod is equallyd divide around the threaded rod.
The utility model has the following beneficial technical effects: the movable stroke of the piston head is adjusted by adjusting the position of the partition plate in the inner cylinder, so that corresponding adjustment can be performed according to actual road condition requirements, the loss of parts is reduced, and the service life is prolonged; the piston head is provided with a stretching valve and a flow valve, so that the liquid exchange at the upper side and the lower side of the piston head is accelerated to realize the rapid pressure regulation, and the speed of coping with vibration and bump is increased; the partition plate is provided with a compression valve and a compensation valve, when the air pressure of compressed air between the partition plate and the piston head is changed excessively, the space between the outer cylinder and the inner cylinder can be communicated, the buffer space is increased, and when the air pressure is insufficient, the compressed air between the outer cylinder and the inner cylinder can be supplemented; the staff can follow the gas injection pipe from the gas injection mouth and supply qi to the urceolus in, aerify the convenience.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings.
FIG. 1 is an internal cross-sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the lower support of the present invention.
In the figure: 1-inner cylinder, 2-outer cylinder, 3-oil seal sleeve, 4-oil seal, 5-bottom cover, 6-piston mechanism, 7-piston rod, 8-upper support, 9-floating piston, 10-separation mechanism, 11-scavenging hole, 12-gas injection pipe, 13-gas injection nozzle, 14-connecting rod, 15-lower support, 16-adjusting mechanism, 17-piston head, 18-stretching valve, 19-flow valve, 20-separation plate, 21-compression valve, 22-compensation valve, 23-adjusting head, 24-adjusting cap, 25-threaded rod, 26-ejector rod, 27-circular plate, 28-placing groove and 29-limiting ring.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific embodiments.
As shown in fig. 1 to 3, the present invention is a dual-cylinder inflatable hydraulic shock absorber for a vehicle, comprising an inner cylinder 1 and an outer cylinder 2, wherein the top end of the inner cylinder 1 is provided with an oil seal sleeve 3, the oil seal sleeve 3 is provided with an oil seal 4, the bottom end of the inner cylinder 1 is provided with a bottom cover 5, the outer cylinder 2 covers the outer side of the inner cylinder 1, a gap exists between the outer cylinder 2 and the inner cylinder 1, the top end and the bottom end of the gap between the outer cylinder 2 and the inner cylinder 1 are respectively blocked by the oil seal sleeve 3 and the bottom cover 5, a piston mechanism 6 is arranged in the inner cylinder 1, the top of the piston mechanism 6 is provided with a piston rod 7, the piston rod 7 penetrates through the inner cylinder 1 and the outer cylinder 2, the top end of the piston rod 7 is provided with an upper support 8, a floating piston 9 is arranged below the piston mechanism 6 in the inner cylinder 1, hydraulic oil seal sleeve 3 and the floating piston 9 are filled with hydraulic oil in the inner cylinder 1, a partition mechanism 10 is arranged below the floating piston 9, the side wall of the inner cylinder 1 is provided with ventilation holes 11 which are symmetrical left and right under the partition mechanism 10, the lower end of the left side of the outer cylinder 2 is provided with a gas injection pipe 12 corresponding to the ventilating hole 11, the gas injection pipe is provided with a gas injection nozzle 13, compressed air is filled between the floating piston 9 and the separating mechanism 10 and between the separating mechanism 10 and the bottom cover 5 in the inner cylinder 1, and the compressed air is filled between the inner cylinder 1 and the outer cylinder 2; the bottom of the bottom cover 5 is provided with a plurality of connecting rods 14, the bottom ends of the connecting rods 14 are connected with a lower support 15, the bottom cover 5 is penetrated with an adjusting mechanism 16, the top end of the adjusting mechanism 16 is connected with the separating mechanism 10, and the bottom end of the adjusting mechanism 16 is connected with the lower support 15.
The piston mechanism 6 comprises a piston head 17, a stretching valve 18 and a flow valve 19, the top end of the piston head 17 is connected with the bottom end of the piston rod 7, and the stretching valve 18 and the flow valve 19 are symmetrically arranged on the piston head 17 from left to right.
The partition mechanism 10 comprises a partition plate 20, a compression valve 21 and a compensation valve 22, the bottom end of the partition plate 20 is connected with the adjusting mechanism 16, and the compression valve 21 and the compensation valve 22 are symmetrically arranged on the left side and the right side of the partition plate 20.
The part of the top rod 26 in the inner cylinder 1 is provided with a limiting ring 29 along the outer edge, and the distance between the limiting ring 29 and the partition plate 20 is larger than the distance between the ventilating hole 11 and the bottom cover 5.
The number of the connecting rods 14 is four, and the connecting rods 14 are uniformly distributed around the threaded rod 25.
The working principle of the example is as follows:
the staff rotates the adjusting cap 24, makes the adjusting cap 24 move up and down along the threaded rod 25, and then drives the division plate 20 connected with the adjusting cap 24 to move up and down, thereby adjusting the movable stroke of the piston head 17, and can carry out corresponding adjustment according to actual road conditions, reducing the loss of parts and prolonging the service life. The stop collar 29 serves to prevent the partition plate 20 from falling below the transfer ports 11.
The piston head 17 is provided with a stretching valve 18 and a flow valve 19, so that the liquid exchange on the upper side and the lower side of the piston head 17 is accelerated to realize quick pressure adjustment, and the speed of coping with vibration and bump is increased. When the piston head 17 is lowered, the flow valve 19 opens to help the hydraulic oil below go to the top, and when the piston head 17 is raised, the extension valve 18 opens to help the hydraulic oil above go to the bottom.
The partition plate 20 is provided with a compression valve 21 and a compensation valve 22, when the air pressure of the compressed air between the partition plate 20 and the piston head 17 is changed excessively, the space between the outer cylinder 2 and the inner cylinder 1 can be communicated, the buffer space is increased, and when the air pressure is insufficient, the compressed air between the outer cylinder 2 and the inner cylinder 1 can be supplemented. When the air pressure above the partition plate 20 is higher than the air pressure below the partition plate, the compression valve 21 is opened, and when the air pressure above the partition plate 20 is lower than the air pressure below the partition plate, the compensation valve 22 is opened.
The staff can fill air into the outer cylinder 2 along the air injection pipe 12 from the air injection nozzle 13, and the air injection is convenient.
The above are only specific application examples of the present invention, and do not limit the scope of the present invention in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (6)
1. A double-cylinder inflatable hydraulic shock absorber for a vehicle is characterized in that: the oil seal device comprises an inner cylinder and an outer cylinder, wherein an oil seal sleeve is arranged at the top end of the inner cylinder, an oil seal is arranged on the oil seal sleeve, a bottom cover is arranged at the bottom end of the inner cylinder, the outer cylinder covers the outer side of the inner cylinder, a gap exists between the outer cylinder and the inner cylinder, the top end and the bottom end of the gap between the outer cylinder and the inner cylinder are respectively blocked by the oil seal sleeve and the bottom cover, a piston mechanism is arranged in the inner cylinder, a piston rod is arranged at the top of the piston mechanism and penetrates through the inner cylinder and the outer cylinder, an upper support is arranged at the top end of the piston rod, a floating piston is arranged below the piston mechanism in the inner cylinder, hydraulic oil is filled between the oil seal sleeve and the floating piston in the inner cylinder, a separation mechanism is arranged below the floating piston in the inner cylinder, air vents which are bilaterally symmetrical are arranged on the side wall of the inner cylinder under the separation mechanism, and an air injection pipe corresponding to the air vents is arranged at the lower end of the left side of the outer cylinder, the gas injection pipe is provided with a gas injection nozzle, compressed air is filled between the floating piston and the separating mechanism and between the separating mechanism and the bottom cover in the inner cylinder, and compressed air is filled between the inner cylinder and the outer cylinder; the bottom of the bottom cover is provided with a plurality of connecting rods, the bottom ends of the connecting rods are connected with the lower support, the bottom cover is penetrated with an adjusting mechanism, the top end of the adjusting mechanism is connected with the separating mechanism, and the bottom end of the adjusting mechanism is connected with the lower support.
2. The dual tube pneumatic hydraulic shock absorber for vehicles as claimed in claim 1, wherein: the piston mechanism comprises a piston head, a stretching valve and a flow valve, the top end of the piston head is connected with the bottom end of the piston rod, and the stretching valve and the flow valve are symmetrically arranged on the piston head in the left-right direction.
3. The dual tube pneumatic hydraulic shock absorber for vehicles as claimed in claim 1, wherein: the separating mechanism comprises a separating plate, a compression valve and a compensation valve, the bottom end of the separating plate is connected with the adjusting mechanism, and the compression valve and the compensation valve are symmetrically arranged on the separating plate in the left-right direction.
4. The dual tube pneumatic hydraulic shock absorber for vehicles as claimed in claim 3, wherein: the adjusting mechanism comprises an adjusting head, an adjusting cap and a threaded rod, the adjusting head comprises an upper ejector rod and a lower circular plate, the bottom end of the ejector rod is connected with the center of the top of the circular plate, the top end of the ejector rod is connected with the center of the bottom of the separation plate, the ejector rod is movably connected with the bottom cover in a sliding mode, a through hole for the connecting rod to penetrate through is formed in the circular plate, the circular plate is movably connected with the connecting rod in a sliding mode, the bottom end of the threaded rod is connected with the center of the top end of the lower support, a placing groove for the upper end of the threaded rod to stretch into is formed in the adjusting head, the threaded rod is movably connected with the adjusting cap in a threaded mode, the top end of the adjusting cap is tightly attached to the bottom end of the circular plate, and the length of the threaded rod is equal to the length of the connecting rod.
5. The dual tube pneumatic hydraulic shock absorber for vehicles as claimed in claim 4, wherein: and a limiting ring is arranged on the outer edge of the part, in the inner cylinder, of the ejector rod, and the distance between the limiting ring and the partition plate is larger than the distance between the ventilating hole and the bottom cover.
6. The dual tube pneumatic hydraulic shock absorber for vehicles as claimed in claim 1, wherein: the quantity of connecting rod is four, the connecting rod is equallyd divide around the threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220486338.2U CN217029772U (en) | 2022-03-08 | 2022-03-08 | Double-cylinder inflatable hydraulic shock absorber for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220486338.2U CN217029772U (en) | 2022-03-08 | 2022-03-08 | Double-cylinder inflatable hydraulic shock absorber for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029772U true CN217029772U (en) | 2022-07-22 |
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ID=82453758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220486338.2U Active CN217029772U (en) | 2022-03-08 | 2022-03-08 | Double-cylinder inflatable hydraulic shock absorber for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029772U (en) |
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2022
- 2022-03-08 CN CN202220486338.2U patent/CN217029772U/en active Active
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