CN212616069U - Automobile shock absorber assembly - Google Patents
Automobile shock absorber assembly Download PDFInfo
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- CN212616069U CN212616069U CN202021371204.3U CN202021371204U CN212616069U CN 212616069 U CN212616069 U CN 212616069U CN 202021371204 U CN202021371204 U CN 202021371204U CN 212616069 U CN212616069 U CN 212616069U
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- piston rod
- oil storage
- shock absorber
- storage cylinder
- piston
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Abstract
The utility model relates to the technical field of automobile parts, in particular to an automobile shock absorber assembly, which comprises a piston rod, an oil storage cylinder and a working cylinder, wherein the oil storage cylinder and the working cylinder are coaxially arranged; the top of oil storage cylinder is sealed for the shock absorber, is equipped with the director between oil storage cylinder and the piston rod, and is equipped with the director bush between director and the piston rod, the piston rod on be provided with interior spacing cover, just the piston rod cover buffer spring has been put, be equipped with movable inner chamber between interior spacing cover and the director, buffer spring concertina movement's distance is formed with buffer spring's stroke section. The inner limiting sleeve mainly plays a role in supporting the piston rod, the shock absorber compresses the buffer spring in the up-and-down movement process, and the buffer spring moves in the stroke section, so that the impact of high-speed movement on the shock absorber is further relieved, and the service life of the shock absorber is prolonged.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to an automobile shock absorber assembly.
Background
In order to improve the running stability of an automobile, a shock absorber is usually installed in an automobile suspension, most of shock absorbers adopted on the current market are hydraulic shock absorbers, the working principle is that when relative motion occurs due to vibration between a frame and an axle, a piston in each shock absorber moves up and down, oil in a shock absorber cavity flows into another cavity from one cavity through different gaps, and at the moment, the friction between a hole wall and the oil and the internal friction between oil molecules form damping force on the vibration, so that the automobile vibration energy is converted into the heat energy of the oil, and the heat energy is absorbed by the shock absorbers and is diffused into the air.
At present, the welding has interior spacing cover on the inside connecting rod of shock absorber, and automobile shock absorber is in the up-and-down motion in-process, and the spacing cover is direct collides with the director easily, leads to the director to damage easily to reduce the life of shock absorber, to this problem, the utility model provides an automobile shock absorber assembly.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an automobile shock absorber assembly.
The utility model adopts the technical proposal that: an automobile shock absorber assembly comprises a piston rod, an oil storage cylinder and a working cylinder, wherein the working cylinder is positioned in the oil storage cylinder, the piston rod is arranged in the working cylinder, and the oil storage cylinder and the working cylinder are coaxially arranged; the top of oil storage cylinder is sealed for the shock absorber, and the bottom of working cylinder is equipped with the bottom valve assembly, is equipped with the director between oil storage cylinder and the piston rod, the director top set up on oil storage cylinder, the rear end sets up on working cylinder, and is equipped with the director bush between director and the piston rod, the piston rod on be provided with interior spacing cover, just the piston rod cover buffer spring has been put, be formed with movable inner chamber between interior spacing cover and the director, buffer spring concertina movement's distance is formed with buffer spring's stroke section, interior spacing cover weld on the piston rod, mainly play a supporting piston rod's effect, the shock absorber compresses buffer spring at the up-and-down motion in-process, buffer spring be located the stroke section and move, further alleviate the impact of high-speed motion to the shock absorber to improve the life of shock absorber.
Preferably, a piston assembly is arranged between the piston rod and the bottom valve assembly, the bottom end of the piston rod is arranged on the piston assembly, the piston assembly comprises a piston and a mounting plate, the piston rod is provided with an insertion end, the mounting plate is arranged at the upper end of the piston, and the mounting plate is provided with a first mounting hole which is matched with the insertion end in mounting.
Preferably, the bottom valve assembly comprises a valve seat and a compression valve, and the compression valve is arranged on the valve seat; the compression valve comprises a valve body, one end of the valve body is arranged on the piston, when the piston rod moves, the piston rod can directly press the piston downwards, the piston moves downwards, and the compression valve in the design is structurally arranged so that oil can stably circulate under the pressure of the piston, and therefore the vibration reduction performance is improved.
Preferably, the inside sealed piece that is equipped with of oil storage cylinder section of thick bamboo top, the outer peripheral face and the oil storage cylinder section of thick bamboo inner wall of sealed piece support and lean on, and the inner peripheral face supports with the piston rod outer wall and supports, the sealed piece that adds can prevent fluid and gas leakage.
Preferably, the top of the oil storage cylinder is provided with a dustproof cover, the dustproof cover is positioned at the upper end of the seal of the shock absorber, and the dustproof cover is provided with a first mounting hole for mounting the piston rod in a matching manner; the bottom of the oil storage cylinder is provided with a rear cover which is positioned at the lower end of the bottom valve assembly.
Preferably, one end of the piston rod penetrates through the guider and the dust cover in sequence and extends out of the oil storage cylinder, and a nut is mounted on the piston rod outside the oil storage cylinder.
Preferably, an oil seal is arranged between the guider and the working cylinder barrel, and the oil seal is movably connected with the piston rod.
To sum up, the utility model discloses beneficial effect does:
1. the shock absorber is characterized in that an inner limiting sleeve is arranged on the piston rod, a buffer spring is sleeved on the piston rod, a movable inner cavity is formed between the inner limiting sleeve and the guider, the length of the buffer spring is one fifth of that of the movable inner cavity, the distance of telescopic motion of the buffer spring is formed into a stroke section of the buffer spring, the inner limiting sleeve is welded on the piston rod, the inner limiting sleeve mainly plays a role in supporting the piston rod, the shock absorber compresses the buffer spring in the up-and-down motion process, the buffer spring is located in the stroke section to move, the impact of high-speed motion on the shock absorber is further relieved, and therefore the service life of the shock absorber is prolonged.
2. A piston assembly is arranged between the piston rod and the bottom valve assembly, the bottom end of the piston rod is arranged on the piston assembly, the piston assembly comprises a piston and a mounting plate, the piston rod is provided with an insertion end, the mounting plate is arranged at the upper end of the piston, and the mounting plate is provided with a first mounting hole matched with the insertion end; the bottom valve assembly comprises a valve seat and a compression valve, and the compression valve is arranged on the valve seat; the compression valve comprises a valve body, one end of the valve body is arranged on the piston, when the piston rod moves, the piston rod can directly press down the piston, the piston moves downwards, oil flows through the pressure of the piston, and the compression valve in the design is structurally arranged so that the oil can stably flow under the pressure of the piston, and therefore the vibration reduction performance is improved.
3. The oil storage cylinder barrel is characterized in that a sealing block is arranged inside the top end of the oil storage cylinder barrel, the outer peripheral surface of the sealing block is abutted against the inner wall of the oil storage cylinder barrel, the inner peripheral surface of the sealing block is abutted against the outer wall of the piston rod, and the added sealing block can prevent oil and gas from leaking.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that other drawings are obtained from the drawings.
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic structural view of the forward section of the reserve cylinder of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
The labels in the figure are: the hydraulic shock absorber comprises a piston rod 1, an oil storage cylinder 2, a working cylinder 3, a shock absorber seal 4, a bottom valve assembly 5, a guider 6, a guider bushing 7, an inner limiting sleeve 8, a buffer spring 11, a piston assembly 12, a piston 13, a mounting plate 14, an insertion end 15, a first mounting hole 16, a valve seat 17, a compression valve 18, a valve body 19, a sealing block 20, a dust cover 21, a rear cover 22, a nut 23 and an oil seal 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.
As shown in fig. 1 to 3, wherein fig. 3 is a partial enlarged view of a position a in fig. 1, and a position a is a schematic structural view of a piston assembly 12 and a rear valve assembly 5, an automotive shock absorber assembly includes a piston rod 1, an oil storage cylinder 2 and a working cylinder 3, the working cylinder 3 is located in the oil storage cylinder 2, the piston rod 1 is arranged in the working cylinder 3, and the oil storage cylinder 2 and the working cylinder 3 are coaxially arranged; the top of the oil storage cylinder barrel 2 is provided with a shock absorber seal 4, in order to improve the sealing performance of the oil storage cylinder barrel 2, the top of the oil storage cylinder barrel 2 is provided with a dustproof cover 21, the dustproof cover 21 is positioned at the upper end of the shock absorber seal 4, and the dustproof cover 21 can prevent dust and other gases from entering the oil storage cylinder barrel 2; the dust cover 21 is provided with a first mounting hole 16, and the first mounting hole 16 is used for mounting the piston rod 1 in a matching way; the bottom of the oil storage cylinder barrel 2 is provided with a rear cover 22, and the rear cover 22 is positioned at the lower end of the bottom valve assembly 5; one end of the piston rod 1 sequentially penetrates through the guider 6 and the dust cover 21 and extends out of the oil storage cylinder 2, and a nut 23 is mounted on the piston rod 1 outside the oil storage cylinder 2.
The bottom of the working cylinder barrel 3 is provided with a bottom valve assembly 5, a guider 6 is arranged between the oil storage cylinder barrel 2 and the piston rod 1, the top end of the guider 6 is arranged on the oil storage cylinder barrel 2, the rear end of the guider is arranged on the working cylinder barrel 3, a guider bush 7 is arranged between the guider 6 and the piston rod 1, and the guider 6 is arranged on the piston rod 1 through the guider bush 7; an oil seal 24 is arranged between the guider 6 and the working cylinder 3, and the oil seal 24 is movably connected with the piston rod 1.
In the up-and-down movement process of the automobile shock absorber, the inner limit sleeve 8 is easy to directly collide with the guider 6, which easily causes the guider 6 to be damaged, and aiming at the problem, the preferred embodiment of the utility model is that the piston rod 1 is provided with the inner limit sleeve 8, the inner limit sleeve 8 is welded on the piston rod 1, the piston rod 1 is sleeved with the buffer spring 11, a movable inner cavity is formed between the inner limit sleeve 8 and the guider 6, the movable inner cavity is the telescopic distance of the inner limit sleeve, the length of the buffer spring 11 is preferably 1/5-2/5 which is the length of the movable inner cavity, but is not limited to the length, the specific length of the buffer spring 11 is designed according to the actual requirement, the purpose is to buffer, the piston rod 1 is further convenient to move, the telescopic movement distance of the buffer spring 11 is formed with the stroke section of the buffer spring 11, the inner limiting sleeve 8 mainly plays a role in supporting the piston rod 1, the shock absorber compresses the buffer spring 11 in the up-and-down movement process, the buffer spring 11 moves in the stroke section, and the inner limiting sleeve 8 further relieves the impact of high-speed movement on the shock absorber through the buffer spring 11, so that the service life of the shock absorber is prolonged.
In order to improve the damping performance of the damper, the preferred embodiment of the present invention is that a piston assembly 12 is arranged between the piston rod 1 and the bottom valve assembly 5, the piston assembly 12 includes a piston 13 and a mounting plate 14, the bottom end of the piston rod 1 has an insertion end 15, the mounting plate 14 is arranged at the upper end of the piston 13, the mounting plate 14 is provided with a first mounting hole 16, and the first mounting hole 16 is used for being matched with the insertion end 15 of the piston rod 1;
the bottom valve assembly 5 comprises a valve seat 17 and a compression valve 18, wherein the compression valve 18 is arranged on the valve seat 17; compression valve 18 is including valve body 19, the one end of valve body 19 set up on piston 13, when piston rod 1 moved, piston rod 1 can directly push down piston 13, piston 13 downstream, fluid passes through the pressure flow of piston 13, the stable circulation that carries on of fluid under the pressure of piston 13 is made to the structural arrangement of compression valve 18 in this design.
In order to prevent oil and gas leakage in the oil storage cylinder barrel 2, the utility model discloses preferred embodiment is, the inside sealed piece 20 that is provided with in 2 tops of oil storage cylinder barrel, the outer peripheral face and the 2 inner walls of oil storage cylinder barrel of sealed piece 20 support and lean on, and the inner peripheral face supports with 1 outer wall of piston rod and supports and lean on, holistic sealing performance has been improved greatly in such structure setting.
The working mode is as follows: the inner limiting sleeve 8 is arranged on the piston rod 1 through welding, the piston rod 1 is sleeved with the buffer spring 11, the shock absorber compresses the buffer spring 11 in the up-and-down movement process, the buffer spring 11 moves in the stroke section, when the piston rod 1 moves, the piston rod 1 can directly press the piston 13 downwards, the piston 13 moves downwards, and oil flows through the pressure of the piston 13.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.
Claims (7)
1. An automobile shock absorber assembly comprises a piston rod, an oil storage cylinder and a working cylinder, wherein the working cylinder is positioned in the oil storage cylinder, the piston rod is arranged in the working cylinder, and the oil storage cylinder and the working cylinder are coaxially arranged; the top of oil storage cylinder seals for the shock absorber, and the bottom of working cylinder is equipped with the bottom valve assembly, is equipped with the director between oil storage cylinder and the piston rod, the director top set up on oil storage cylinder, the rear end sets up on working cylinder, and is equipped with director bush, its characterized in that between director and the piston rod: the piston rod is provided with an inner limiting sleeve, the piston rod is sleeved with a buffer spring, a movable inner cavity is formed between the inner limiting sleeve and the guider, and the telescopic movement distance of the buffer spring is formed into a stroke section of the buffer spring.
2. An automotive shock absorber assembly as set forth in claim 1 wherein: the piston rod and the bottom valve assembly are provided with a piston assembly, the bottom end of the piston rod is arranged on the piston assembly, the piston assembly comprises a piston and a mounting plate, the piston rod is provided with an insertion end, the mounting plate is arranged at the upper end of the piston, and the mounting plate is provided with a first mounting hole which is matched with the insertion end in mounting.
3. An automotive shock absorber assembly as set forth in claim 2 wherein: the bottom valve assembly comprises a valve seat and a compression valve, and the compression valve is arranged on the valve seat; the compression valve comprises a valve body, and one end of the valve body is arranged on the piston.
4. An automotive shock absorber assembly as set forth in claim 1 wherein: the oil storage cylinder barrel is characterized in that a sealing block is arranged inside the top end of the oil storage cylinder barrel, the outer peripheral surface of the sealing block is abutted against the inner wall of the oil storage cylinder barrel, and the inner peripheral surface of the sealing block is abutted against the outer wall of the piston rod.
5. An automotive shock absorber assembly as set forth in claim 1 wherein: the top of the oil storage cylinder is provided with a dustproof cover, the dustproof cover is positioned at the upper end of the seal of the shock absorber, and the dustproof cover is provided with a first mounting hole for mounting the piston rod in a matched manner; the bottom of the oil storage cylinder is provided with a rear cover which is positioned at the lower end of the bottom valve assembly.
6. An automotive shock absorber assembly as set forth in claim 5 wherein: one end of the piston rod sequentially penetrates through the guider and the dustproof cover to extend out of the oil storage cylinder, and the piston rod outside the oil storage cylinder is provided with a nut.
7. An automotive shock absorber assembly as set forth in claim 1 wherein: an oil seal is arranged between the guider and the working cylinder barrel, and the oil seal is movably connected with the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371204.3U CN212616069U (en) | 2020-07-13 | 2020-07-13 | Automobile shock absorber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371204.3U CN212616069U (en) | 2020-07-13 | 2020-07-13 | Automobile shock absorber assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212616069U true CN212616069U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021371204.3U Active CN212616069U (en) | 2020-07-13 | 2020-07-13 | Automobile shock absorber assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212616069U (en) |
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2020
- 2020-07-13 CN CN202021371204.3U patent/CN212616069U/en active Active
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