CN209539897U - Automobile telescopic shock absorber - Google Patents
Automobile telescopic shock absorber Download PDFInfo
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- CN209539897U CN209539897U CN201920185062.2U CN201920185062U CN209539897U CN 209539897 U CN209539897 U CN 209539897U CN 201920185062 U CN201920185062 U CN 201920185062U CN 209539897 U CN209539897 U CN 209539897U
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- piston
- sleeve
- shock absorber
- wall
- telescopic shock
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Abstract
The utility model discloses a kind of automobile telescopic shock absorber, the decoupling rod in sleeve is protruded into including the internal sleeve for pouring into lubricating oil and lower end, the inside of sleeve, which can slide up and down, is equipped with piston, the lower end of decoupling rod is fixed with piston, sleeve inner is divided into upper damping chamber and lower damping chamber by piston, internal piston is provided with several for being connected to the through-hole of damping chamber and lower damping chamber, three sealing rings being from top to bottom distributed are embedded on the outer wall of piston, the periphery wall of per pass sealing ring is bonded with the internal perisporium of sleeve, the first spring is embedded between the upper end of piston and the inner top of sleeve, second spring is embedded between the lower end of piston and the interior bottom of sleeve, the first lubrication system is provided between the twice adjacent seals circle being located above, the second lubrication system is provided between underlying twice adjacent seals circle;The utility model can reduce the abrasion of sealing ring, so as to extend the service life of telescopic shock absorber.
Description
Technical field
The utility model relates to damper technical fields, and in particular to a kind of automobile telescopic shock absorber.
Background technique
Telescopic shock absorber is common damping device in automobile, and current telescopic shock absorber generally comprises internal for pouring into
The decoupling rod in sleeve is protruded into the sleeve of lubricating oil and lower end, and the inside of sleeve, which can slide up and down, is equipped with piston, damping
The lower end of bar is fixed with piston, is embedded with three sealing rings being from top to bottom distributed on the outer wall of piston, per pass sealing ring it is outer
Peripheral wall is bonded with the internal perisporium of sleeve;However sealing ring in current telescopic shock absorber and do not have between the inner wall of sleeve
Lubrication system, so, in telescopic shock absorber use process, the phenomenon that sealing ring is easy to appear abrasion, so that there are cylinders
The short disadvantage of formula damper service life.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of automobile telescopic shock absorber, the first internal profit
Slipped Clove Hitch structure and the second lubrication system can be realized the lubrication to three seals circle, so, in telescopic shock absorber use process
In, the abrasion of sealing ring can be reduced, so as to extend the service life of telescopic shock absorber.
The automobile telescopic shock absorber of the utility model is protruded into including the internal sleeve for pouring into lubricating oil and lower end
Decoupling rod in sleeve, the inside of sleeve, which can slide up and down, is equipped with piston, and lower end and the piston of decoupling rod are fixed, and piston will
Sleeve inner is divided into upper damping chamber and lower damping chamber, and internal piston is provided with several for being connected to damping chamber and lower damping
The through-hole of chamber, is embedded with three sealing rings being from top to bottom distributed on the outer wall of piston, the periphery wall of per pass sealing ring with set
The internal perisporium fitting of cylinder, is embedded with the first spring between the upper end of piston and the inner top of sleeve, the lower end of piston and sleeve
It is embedded with second spring between interior bottom, the first lubrication system is provided between the twice adjacent seals circle being located above, is located at
The second lubrication system is provided between the twice adjacent seals circle of lower section.
The automobile telescopic shock absorber of the utility model, wherein the twice adjacent seals circle that is located above and piston it is outer
First annular groove is formed between wall and the inner wall of sleeve, internal piston is provided with the first blind hole of lower ending opening, the first blind hole
Side wall on be provided with first passage for being connected to the first blind hole and first annular groove.
The automobile telescopic shock absorber of the utility model, wherein underlying twice adjacent seals circle and piston it is outer
Second annular groove is formed between wall and the inner wall of sleeve, internal piston is provided with the second blind hole of lower ending opening, the second blind hole
Side wall on be provided with second channel for being connected to the second blind hole and second annular groove.
The automobile telescopic shock absorber of the utility model, wherein be provided on the upper surface of piston for the first spring
First caulking groove of end portion insertion.
The automobile telescopic shock absorber of the utility model, wherein be provided on the lower end surface of piston for second spring
Second caulking groove of upper part insertion.
The first lubrication system and the second lubrication system inside the utility model can be realized the lubrication to three seals circle,
So, in telescopic shock absorber use process, the abrasion of sealing ring can be reduced, so as to extend telescopic shock absorber
Service life.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic cross-sectional view of the utility model;
Fig. 2 is the schematic cross-sectional view of the utility model;
Fig. 3 is the schematic perspective view of piston;
Fig. 4 is the schematic perspective view of piston;
Fig. 5 is the overlooking structure diagram of piston;
Fig. 6 is schematic cross-sectional view of the Fig. 5 along line A-A;
Fig. 7 is schematic cross-sectional view of the Fig. 5 along line B-B.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
The automobile telescopic shock absorber of the utility model is protruded into including the internal sleeve 1 for pouring into lubricating oil and lower end
Decoupling rod 2 in sleeve 1, the inside of sleeve 1, which can slide up and down, is equipped with piston 3, and the lower end of decoupling rod 2 and piston 3 are solid
Fixed, piston 3 will be divided into upper damping chamber 11 and lower damping chamber 12 inside sleeve 1, and piston 3 is internally provided with several for being connected to
The through-hole 31 of upper damping chamber 11 and lower damping chamber 12 is embedded with three sealing rings 4 being from top to bottom distributed on the outer wall of piston 3,
The periphery wall of per pass sealing ring 4 is bonded with the internal perisporium of sleeve 1, is embedded between the upper end of piston 3 and the inner top of sleeve 1
First spring 5 is embedded with second spring 6 between the lower end of piston 3 and the interior bottom of sleeve 1, and the twice being located above are adjacent close
It is provided with the first lubrication system between seal 4, is provided with the second lubrication system between underlying twice adjacent seals circle 4.
It is formed between the inner wall of the outer wall and sleeve 1 of the twice adjacent seals circle 4 being located above and piston 3 first annular recessed
Slot 7, piston 3 are internally provided with the first blind hole 32 of lower ending opening, are provided on the side wall of the first blind hole 32 for being connected to first
The first passage 33 of blind hole 32 and first annular groove 7;After by using this structure, after pouring into lubricating oil in sleeve,
During piston moves down, lubricating oil can be entered in first annular groove by the first blind hole and first passage, and such one
Come, the lubrication to the twice adjacent seals circle being located above can be realized in lubricating oil.
It is recessed that the second annular is formed between the inner wall of the outer wall and sleeve 1 of underlying twice adjacent seals circle 4 and piston 3
Slot 8, piston 3 are internally provided with the second blind hole 34 of lower ending opening, are provided on the side wall of the second blind hole 34 for being connected to second
The second channel 35 of blind hole 34 and second annular groove 8;After by using this structure, after pouring into lubricating oil in sleeve,
During piston moves down, lubricating oil can be entered in second annular groove by the second blind hole and second channel, and such one
Come, the lubrication to underlying twice adjacent seals circle can be realized in lubricating oil.
The first caulking groove 36 of the end portion insertion for the first spring 5 is provided on the upper surface of piston 3;Pass through first
The lower end of the setting of caulking groove, the first spring can be embedded into the first caulking groove, so, can be realized and determine the first spring
Position and limit, avoid the first spring from the phenomenon that deviation occur.
The second caulking groove 37 of the upper part insertion for second spring 6 is provided on the lower end surface of piston 3;Pass through second
The upper end of the setting of caulking groove, second spring can be embedded into the second caulking groove, so, can be realized and determine second spring
Position and limit, avoid second spring from the phenomenon that deviation occur.
The first lubrication system and the second lubrication system inside the utility model can be realized the lubrication to three seals circle,
So, in telescopic shock absorber use process, the abrasion of sealing ring can be reduced, so as to extend telescopic shock absorber
Service life.
Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model
Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.
Claims (5)
1. a kind of automobile telescopic shock absorber is protruded into including the internal sleeve (1) for pouring into lubricating oil and lower end in sleeve (1)
In decoupling rod (2), the inside of the sleeve (1), which can slide up and down, to be equipped with piston (3), the lower end of the decoupling rod (2)
Fixed with piston (3), the piston (3) will be divided into upper damping chamber (11) and lower damping chamber (12), the work inside sleeve (1)
Plug (3) is internally provided with several for being connected to the through-hole (31) of damping chamber (11) and lower damping chamber (12), the piston (3)
Outer wall on be embedded with three sealing rings (4) being from top to bottom distributed, the periphery wall of per pass sealing ring (4) with sleeve (1)
Internal perisporium fitting, is embedded with the first spring (5), the piston between the upper end of the piston (3) and the inner top of sleeve (1)
(3) second spring (6) are embedded between the interior bottom of lower end and sleeve (1), it is characterised in that: the twice being located above are adjacent
It is provided with the first lubrication system between sealing ring (4), is provided with the second lubrication between underlying twice adjacent seals circle (4)
Structure.
2. automobile telescopic shock absorber according to claim 1, which is characterized in that the twice adjacent seals circle being located above
(4) first annular groove (7) are formed between the outer wall of piston (3) and the inner wall of sleeve (1), setting inside the piston (3)
Have the first blind hole (32) of lower ending opening, be provided on the side wall of first blind hole (32) for be connected to the first blind hole (32) and
The first passage (33) of first annular groove (7).
3. automobile telescopic shock absorber according to claim 1, which is characterized in that underlying twice adjacent seals circle
(4) second annular groove (8) are formed between the outer wall of piston (3) and the inner wall of sleeve (1), setting inside the piston (3)
Have the second blind hole (34) of lower ending opening, be provided on the side wall of second blind hole (34) for be connected to the second blind hole (34) and
The second channel (35) of second annular groove (8).
4. automobile telescopic shock absorber according to claim 1, which is characterized in that set on the upper surface of the piston (3)
It is equipped with the first caulking groove (36) of the end portion insertion for the first spring (5).
5. automobile telescopic shock absorber according to claim 1, which is characterized in that set on the lower end surface of the piston (3)
It is equipped with the second caulking groove (37) of the upper part insertion for second spring (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920185062.2U CN209539897U (en) | 2019-02-02 | 2019-02-02 | Automobile telescopic shock absorber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920185062.2U CN209539897U (en) | 2019-02-02 | 2019-02-02 | Automobile telescopic shock absorber |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209539897U true CN209539897U (en) | 2019-10-25 |
Family
ID=68273046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920185062.2U Active CN209539897U (en) | 2019-02-02 | 2019-02-02 | Automobile telescopic shock absorber |
Country Status (1)
Country | Link |
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CN (1) | CN209539897U (en) |
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2019
- 2019-02-02 CN CN201920185062.2U patent/CN209539897U/en active Active
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