CN204127190U - Automobile damp adjustable vibration damper - Google Patents
Automobile damp adjustable vibration damper Download PDFInfo
- Publication number
- CN204127190U CN204127190U CN201420520952.1U CN201420520952U CN204127190U CN 204127190 U CN204127190 U CN 204127190U CN 201420520952 U CN201420520952 U CN 201420520952U CN 204127190 U CN204127190 U CN 204127190U
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- China
- Prior art keywords
- cylinder barrel
- piston
- vibration damper
- automobile
- work cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of automobile damp adjustable vibration damper, comprise piston body, be fixedly connected on the piston rod of piston body, work cylinder barrel and oil storage cylinder barrel, it is inner that work cylinder barrel is located at oil storage cylinder barrel, oil storage cylinder barrel to be fixedly connected with and by black box I sealing with the lower end of work cylinder barrel, piston body and piston rod stretch in work cylinder barrel and work cylinder barrel upper end by black box II sealing from the upper end of work cylinder barrel, clutch release slave cylinder tube inner chamber is divided into recovery chamber and compression chamber by piston body up and down, the part that oil storage cylinder tube inner chamber is positioned at beyond work cylinder barrel forms shoe cream room, work cylinder barrel sidewall is provided with the return opening being communicated with compression chamber and shoe cream room, automobile damp adjustable vibration damper of the present utility model, can different according to relative velocity between vehicle suspension from wheel, damping automatically to the vibration damper that damping size regulates.
Description
Technical field
The utility model relates to a kind of damper element, specifically a kind of automobile damp adjustable vibration damper.
Background technique
Vibration damper is the damper element extensively adopted in automobile suspension system, its principle is, when when vehicle frame and vehicle bridge do reciprocal relative movement, piston moves back and forth in the cylinder barrel of vibration damper, fluid in vibration damper housing just flows into recovery chamber from compression chamber by some narrow holes repeatedly, now, the friction of liquid and inwall and the interior friction of fluid molecule just form the damping force to vibrating.The size of damping force of vibration damper depends on the viscosity coefficient of choke area and fluid, and existing vibration damper at work, the viscosity kept stable of fluid, the choke area that fluid flows through simultaneously also remains unchanged, therefore the damping force size kept stable of existing vibration damper, and automobile is different to the requirement of damping force of vibration damper size under different load-carrying, different road excitation, the different speed of a motor vehicle, different driving cycle.
Therefore, for overcoming the above problems, need a kind of at the different load-carrying of automobile, different road excitation, the different speed of a motor vehicle, different driving cycle, can different according to relative velocity between vehicle suspension from wheel, automatically to the automobile damp adjustable vibration damper that damping size regulates.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, provide a kind of can different according to relative velocity between vehicle suspension from wheel, automatically to the automobile damp adjustable vibration damper that damping size regulates.
Automobile damp adjustable vibration damper of the present utility model, comprise piston body, be fixedly connected on the piston rod of piston body, work cylinder barrel and oil storage cylinder barrel, it is inner that work cylinder barrel is located at oil storage cylinder barrel, oil storage cylinder barrel to be fixedly connected with and by black box I sealing with the lower end of work cylinder barrel, piston body and piston rod stretch in work cylinder barrel and work cylinder barrel upper end by black box II sealing from the upper end of work cylinder barrel, clutch release slave cylinder tube inner chamber is divided into recovery chamber and compression chamber by piston body up and down, the part that oil storage cylinder tube inner chamber is positioned at beyond work cylinder barrel forms shoe cream room, work cylinder barrel sidewall is provided with the return opening being communicated with compression chamber and shoe cream room,
Piston body comprises columned piston upper body and piston lower body, piston upper body inner cylindrical surface and piston lower body external cylindrical surface are slidably matched, piston cavity is formed between piston upper body and piston lower body, and be provided with Returnning spring in this piston cavity, under piston, body sidewall has the throttle orifice of multiple connection compression chamber and piston cavity along piston body axial distribution, and piston upper body end face is provided with the filler opening being communicated with and restoring chamber and piston cavity;
Further, described piston upper body inwall is provided with position limiting convex ring;
Further, described piston rod is provided with positioning boss, and piston rod is fixedly connected with setscrew nut by screw thread, and piston body to be placed on piston rod and to be located between positioning boss and setscrew nut;
Further, described throttle orifice comprises along the equally distributed multiple throttling sub-aperture of piston upper body circumference;
Further, guide assemblies is provided with in described work cylinder barrel; Guide assemblies comprises with the work guide holder housing that is fixedly connected with of cylinder barrel and is arranged at the rubber be slidably matched with piston rod in guide holder housing;
Further, described oil storage cylinder barrel overcoat is provided with and is slidably matched and the protection cylinder barrel sealed with oil storage cylinder barrel external cylindrical surface, and protection cylinder barrel upper end is fixedly connected with piston rod upper end;
Further, described piston rod is positioned at the surface of restoring chamber and is provided with positioning ring, is provided with return spring between positioning ring and work cylinder barrel upper end.
The beneficial effects of the utility model are: automobile damp adjustable vibration damper of the present utility model, when wheel is subject to impacting, promotion piston body moves reciprocatingly by piston rod in active chamber, the throttle orifice of fluid in vibration damper repeatedly on piston body and filler opening flow back and forth at compression chamber and restoring between chamber, and then the damping force formed vibration, when vehicle suspension is subject to larger impact (as vehicle is being crossed at a high speed in curved process), piston body is larger relative to the speed of working cylinder, oil liquid pressure moment in active chamber significantly rises, and then promote the elastic force that piston lower body overcomes Returnning spring and slip in piston upper body, most of restriction that the inner cylindrical surface of piston upper body will block under piston on body sidewall, the choke area that fluid can be flowed through reduces, and then improve the damping force of vibration damper, vibration damper is made to become " firmly ", ensure that suspension is to the secure support of vehicle body, improve the stability of vehicle body, when the impact that vehicle suspension is subject to is less, the oil liquid pressure that piston lower body is subject to is also corresponding less, the distance that piston lower body slips in piston upper body is also corresponding shorter, the restriction of small part cannot be blocked or block in piston upper body, the choke area that fluid can be flowed through is larger, and then reduce the damping force of vibration damper, vibration damper is made to become " soft ", ensure the riding comfort of vehicle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A place partial enlarged drawing in Fig. 1;
Structural representation when Fig. 3 is piston body of the present utility model contraction.
Embodiment
Fig. 1 is structural representation of the present utility model.As shown in the figure, automobile damp adjustable vibration damper in the present embodiment, comprise piston body, be fixedly connected on the piston rod 7 of piston body, work cylinder barrel 3 and oil storage cylinder barrel 4, it is inner that work cylinder barrel 3 is located at oil storage cylinder barrel 4, oil storage cylinder barrel 4 is fixedly connected with the lower end of work cylinder barrel 3 and is sealed by a black box I 1, piston body and piston rod 7 are stretched in work cylinder barrel 3 and work cylinder barrel 3 upper end and are sealed by a black box II 10 from the upper end of work cylinder barrel 3, work cylinder barrel 3 inner chamber is divided into recovery chamber 6 and compression chamber 5 by piston body up and down, the part that oil storage cylinder barrel 4 inner chamber is positioned at beyond work cylinder barrel 3 forms shoe cream room 19, work cylinder barrel 3 sidewall is provided with the return opening 2 being communicated with compression chamber 5 and shoe cream room 19,
Piston body comprises columned piston upper body 15 and piston lower body 16, piston upper body 15 inner cylindrical surface and piston lower body 16 external cylindrical surface are slidably matched, piston cavity 18 is formed between piston upper body 15 and piston lower body 16, and be provided with Returnning spring 17 in this piston cavity 18, piston lower body 16 sidewall has the throttle orifice 12 of multiple connection compression chamber 5 and piston cavity 18 along piston body axial distribution, piston upper body 15 end face is provided with the filler opening 14 being communicated with and restoring chamber 6 and piston cavity 18, when wheel is subject to impacting, promotion piston body moves reciprocatingly by piston rod 7 in active chamber, the throttle orifice 12 of fluid in vibration damper repeatedly on piston body and filler opening 14 flow back and forth at compression chamber 5 and restoring between chamber 6, and then the damping force formed vibration, when vehicle suspension is subject to larger impact (as vehicle is being crossed at a high speed in curved process), piston body is larger relative to the speed of working cylinder, oil liquid pressure moment in active chamber significantly rises, and then the elastic force that promotion piston lower body 16 overcomes Returnning spring 17 slips in piston upper body 15, most of restriction that the inner cylindrical surface of piston upper body 15 will block on piston lower body 16 sidewall, the choke area that fluid can be flowed through reduces, and then improve the damping force of vibration damper, vibration damper is made to become " firmly ", ensure that suspension is to the secure support of vehicle body, improve the stability of vehicle body, when the impact that vehicle suspension is subject to is less, the oil liquid pressure that piston lower body 16 is subject to is also corresponding less, the distance that piston lower body 16 slips in piston upper body 15 is also corresponding shorter, the throttle orifice 12 of small part cannot be blocked or block in piston upper body 15, throttle orifice 12 area that fluid can be flowed through is larger, and then reduce the damping force of vibration damper, vibration damper is made to become " soft ", ensure the riding comfort of vehicle.
In the present embodiment, described piston upper body 15 inwall is provided with position limiting convex ring 13, position limiting convex ring 13 slips into the maximum displacement in piston upper body 15 for limited piston lower body 16, when suspension is subject to great impact force, position limiting convex ring 13 will withstand the slippage of piston lower body 16, ensure that a certain amount of fuel-economizing hole can expose, thus define the maximum damping of vibration damper, avoid vibration damper that " locked " occurs.
In the present embodiment, described piston rod 7 is provided with positioning boss, piston rod 7 is fixedly connected with setscrew nut 11 by screw thread, piston body to be placed on piston rod 7 and to be located between positioning boss and setscrew nut 11, by rotate setscrew nut 11 can regulating piston body in the decrement of original state, and then the quantity that the throttle orifice 12 on adjustment piston lower body 16 is closed in an initial condition, thus the minimum damping value of adjustment vibration damper.
In the present embodiment, described throttle orifice 12 comprises along the equally distributed multiple throttling sub-aperture of piston upper body 15 circumference, the throttle orifice 12 of this setting type can improve piston body stress operationally, make piston body operationally its radial force compare balance, the wearing and tearing of Long-Time Service back piston surface are also relatively more even, extend its working life.
In the present embodiment, guide assemblies is provided with in described work cylinder barrel 3, guide assemblies comprises with the work guide holder housing that is fixedly connected with of cylinder barrel 3 and is arranged at the rubber be slidably matched with piston rod 7 in guide holder housing, when piston body and piston rod 7 are when working to-and-fro motion in cylinder barrel 3, when piston rod 7 being subject to flexural load to a certain extent, the stressed of piston body surface will be extremely uneven, after Long-Time Service, the working life of piston body will shorten greatly, and in the recovery chamber 6 of working cylinder, near working cylinder upper end, one guide assemblies is set, when piston body is in reciprocatory movement, guide assemblies can overcome the flexural load of piston rod 7, ensure that piston body can accurately along working cylinder axial-movement, rubber in guide holder housing can reduce the wearing and tearing on itself and piston rod 7 surface, avoid causing damage to piston rod 7 surface in the course of the work simultaneously.
In the present embodiment; be arranged with outside described oil storage cylinder barrel 4 and be slidably matched and the protection cylinder barrel sealed with oil storage cylinder barrel 4 external cylindrical surface; protection cylinder barrel upper end is fixedly connected with piston rod 7 upper end; protection cylinder barrel can avoid piston rod 7 to stretch out oil storage cylinder barrel 4 rear surface impaired; on the other hand; vibration damper is after long-time running; fluid can leak out unavoidably from the black box II 10 of oil storage cylinder barrel 4 upper end; and protect cylinder barrel can avoid oozing out vibration damper from the fluid of oil storage cylinder barrel 4 leak, avoid its environment to external world.
In the present embodiment, described piston rod 7 is positioned at the surface of restoring chamber 6 and is provided with positioning ring 9, return spring 8 is provided with between positioning ring 9 and work cylinder barrel 3 upper end, when car body suspension is impacted, after the descending end of piston body, it is up that return spring 8 will promote piston rod 7, make piston body return to initial position.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. an automobile damp adjustable vibration damper, is characterized in that: comprise piston body, be fixedly connected on the piston rod of piston body, work cylinder barrel and oil storage cylinder barrel; It is inner that described work cylinder barrel is located at oil storage cylinder barrel; Oil storage cylinder barrel to be fixedly connected with and by black box I sealing with the lower end of work cylinder barrel, described piston body and piston rod stretch in work cylinder barrel and work cylinder barrel upper end by black box II sealing from the upper end of work cylinder barrel, clutch release slave cylinder tube inner chamber is divided into recovery chamber and compression chamber by described piston body up and down; The part that oil storage cylinder tube inner chamber is positioned at beyond work cylinder barrel forms shoe cream room; Described work cylinder barrel sidewall is provided with the return opening being communicated with compression chamber and shoe cream room;
Described piston body comprises columned piston upper body and piston lower body, piston upper body inner cylindrical surface and piston lower body external cylindrical surface are slidably matched, piston cavity is formed between piston upper body and piston lower body, and be provided with Returnning spring in this piston cavity, under piston, body sidewall has the throttle orifice of multiple connection compression chamber and piston cavity along piston body axial distribution, and piston upper body end face is provided with the filler opening being communicated with and restoring chamber and piston cavity.
2. automobile damp adjustable vibration damper according to claim 1, is characterized in that: described piston upper body inwall is provided with position limiting convex ring.
3. automobile damp adjustable vibration damper according to claim 2, it is characterized in that: described piston rod is provided with positioning boss, piston rod is fixedly connected with setscrew nut by screw thread, and described piston body to be placed on piston rod and to be located between positioning boss and setscrew nut.
4. automobile damp adjustable vibration damper according to claim 3, is characterized in that: described throttle orifice comprises along the equally distributed multiple throttling sub-aperture of piston upper body circumference.
5. automobile damp adjustable vibration damper according to claim 4, is characterized in that: be provided with guide assemblies in described work cylinder barrel; Described guide assemblies comprises with the work guide holder housing that is fixedly connected with of cylinder barrel and is arranged at the rubber be slidably matched with piston rod in guide holder housing.
6. automobile damp adjustable vibration damper according to claim 5, is characterized in that: described oil storage cylinder barrel overcoat is provided with and is slidably matched and the protection cylinder barrel sealed with oil storage cylinder barrel external cylindrical surface; Described protection cylinder barrel upper end is fixedly connected with piston rod upper end.
7. automobile damp adjustable vibration damper according to claim 6, is characterized in that: described piston rod is positioned at the surface of restoring chamber and is provided with positioning ring, is provided with return spring between positioning ring and work cylinder barrel upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520952.1U CN204127190U (en) | 2014-09-11 | 2014-09-11 | Automobile damp adjustable vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520952.1U CN204127190U (en) | 2014-09-11 | 2014-09-11 | Automobile damp adjustable vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127190U true CN204127190U (en) | 2015-01-28 |
Family
ID=52383549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520952.1U Withdrawn - After Issue CN204127190U (en) | 2014-09-11 | 2014-09-11 | Automobile damp adjustable vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127190U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265822A (en) * | 2014-09-11 | 2015-01-07 | 重庆小康工业集团股份有限公司 | Damp-adjustable vibration damper for automobile |
| CN106969082A (en) * | 2017-05-22 | 2017-07-21 | 衢州龙鼎汽车零部件制造有限公司 | A kind of vibration damper with adjustable damping |
| CN108571555A (en) * | 2018-07-02 | 2018-09-25 | 姜新权 | A kind of damper that can individually adjust damping |
-
2014
- 2014-09-11 CN CN201420520952.1U patent/CN204127190U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265822A (en) * | 2014-09-11 | 2015-01-07 | 重庆小康工业集团股份有限公司 | Damp-adjustable vibration damper for automobile |
| CN104265822B (en) * | 2014-09-11 | 2016-05-18 | 重庆小康工业集团股份有限公司 | Automobile damp adjustable damper |
| CN106969082A (en) * | 2017-05-22 | 2017-07-21 | 衢州龙鼎汽车零部件制造有限公司 | A kind of vibration damper with adjustable damping |
| CN106969082B (en) * | 2017-05-22 | 2019-01-18 | 衢州龙鼎汽车零部件制造有限公司 | A kind of vibration damper with adjustable damping |
| CN108571555A (en) * | 2018-07-02 | 2018-09-25 | 姜新权 | A kind of damper that can individually adjust damping |
| CN108571555B (en) * | 2018-07-02 | 2023-09-22 | 姜新权 | Shock absorber capable of independently adjusting damping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |