CN204083030U - A kind of hydraulic buffer vibration-damper - Google Patents
A kind of hydraulic buffer vibration-damper Download PDFInfo
- Publication number
- CN204083030U CN204083030U CN201420500109.7U CN201420500109U CN204083030U CN 204083030 U CN204083030 U CN 204083030U CN 201420500109 U CN201420500109 U CN 201420500109U CN 204083030 U CN204083030 U CN 204083030U
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- CN
- China
- Prior art keywords
- buffer
- cylinder
- clutch release
- release slave
- vibration damper
- Prior art date
- 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.)
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Abstract
The utility model discloses a kind of hydraulic buffer vibration-damper, comprise oil storage cylinder and be arranged on the clutch release slave cylinder in described oil storage cylinder, bottom described clutch release slave cylinder, compression valve is set, in described clutch release slave cylinder, piston rod is set, described piston-rod lower end arranges piston valve, the top of described clutch release slave cylinder is throat structure, arranges hydraulic cushion limiting stopper in the middle part of described piston rod.By coordinating of buffer limit block and throat structure, make the fluid in this region form sealing fluid cylinder pressure, in the process that buffer limit block and throat structure close, realize the buffer limit to vibration damper, what avoid that rigid shock brings is uncomfortable, realizes the limit buffer performance of vibration damper.Simultaneously, efficiently avoid the inconvenience adopting baroque hydraulic buffer cylinder to bring, make the buffer structure of vibration damper simpler, cost is lower, efficiency of assembling is higher, avoid adopting the generation that hydraulic buffer cylinder number of spare parts is numerous, easily occur the situations such as assembly error, effectively improve production up-to-standard rate.
Description
Technical field
The utility model relates to dydraulic shock absorber technical field, particularly a kind of hydraulic buffer vibration-damper.
Background technique
Vibration damper is the main damping member of vehicle suspension system, play the decay of acceleration vehicle frame and body vibrations to improve vehicle smoothness in the process of moving and the effect of travelling comfort, with regard to the dydraulic shock absorber extensively adopted at present, in vehicle travel process, the piston rod of vibration damper moves up and down, drive fluid to produce damping force by piston valve and compression valve, absorb the vibrational energy of vehicle, ensure that the travelling comfort taking advantage of frame.At present, the damper structure of traditional band hydraulic cushion is made up of oil storage cylinder and the clutch release slave cylinder be arranged in oil storage cylinder usually, by arranging hydraulic buffer cylinder on the top of described clutch release slave cylinder, realize avoiding the vibration damper discomfort that rigid shock brings when being subject to the limit and impacting, to improve performance and the working life of vibration damper by the buffer function of hydraulic buffer cylinder.But the vibration damper of conventional belt hydraulic cushion adopts hydraulic cushion cylinder structure, and its complex structural designs, number of spare parts are many, and not only cost is high, and add assembling difficulty, easily occur that multiple part is with the use of the assembly error caused, manufacturing efficiency is low.
Model utility content
The purpose of this utility model is the deficiency existed for above-mentioned prior art, there is provided that a kind of structure is simple, reasonable in design, cost is low, efficiency of assembling is high, when not setting up hydraulic buffer cylinder part, effectively realize vibration reduction buffering function, avoid rigid shock to bring uncomfortable hydraulic buffer vibration-damper.
To achieve these goals, the utility model realizes by the following technical solutions, a kind of hydraulic buffer vibration-damper, comprise oil storage cylinder and be arranged on the clutch release slave cylinder in described oil storage cylinder, arrange compression valve bottom described clutch release slave cylinder, arrange piston rod in described clutch release slave cylinder, described piston-rod lower end arranges piston valve, the top of described clutch release slave cylinder is throat structure, arranges hydraulic cushion limiting stopper in the middle part of described piston rod.
Described buffer limit block is ferrous based powder metallurgical product.
Described buffer limit block is axially arranged with free gap along piston rod.
Described piston rod offers circular groove, in described circular groove, is set with snap ring.
Described buffer limit block and described throat structure have the ramp structure play the guiding role matched.
The described oil storage cylinder position corresponding with throat structure on described clutch release slave cylinder arranges corresponding throat structure.
The utility model is by being throat structure by the upper design of clutch release slave cylinder, to cooperatively interact acting in conjunction with the buffer limit block on piston rod, thus when effectively realizing jumping to the limit on wheel, by coordinating of buffer limit block and throat structure, make the fluid in this region form sealing fluid cylinder pressure, in the process that buffer limit block and throat structure close, realize the buffer limit to vibration damper, what avoid that rigid shock brings is uncomfortable, realizes the limit buffer performance of vibration damper.Simultaneously, by adopting the throat structure of the application, efficiently avoid the inconvenience adopting baroque hydraulic buffer cylinder to bring, make the buffer structure of vibration damper simpler, cost is lower, efficiency of assembling is higher, avoids adopting the generation that hydraulic buffer cylinder number of spare parts is numerous, easily occur the situations such as assembly error, effectively improves production up-to-standard rate.The utility model structure is simple, reasonable in design, cost is low, assembling difficulty is low, efficiency is high, quality is secure.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, set forth the utility model further.
Embodiment one
As shown in Figure 1: a kind of hydraulic buffer vibration-damper, the clutch release slave cylinder 2 comprising oil storage cylinder 1 and be arranged in described oil storage cylinder 1, bottom described clutch release slave cylinder 2, compression valve 3 is set, the piston rod 4 of axially reciprocating is set in described clutch release slave cylinder 2, sealed by Sealing 6 between described piston rod 4 and oil storage cylinder 1, described piston rod 4 lower end arranges piston valve 5, by piston valve 5, described clutch release slave cylinder 2 is divided into upper and lower two cavitys, the top of described clutch release slave cylinder 2 is throat structure 8, in the middle part of described piston rod 4, hydraulic cushion limiting stopper 7 is set, described buffer limit block 7 is annular iron-based powder metallurgy product.Described piston rod 4 offers circular groove, snap ring is set with in described circular groove, form position-limiting action to described buffer limit block 7, described buffer limit block 7 is axially arranged with certain free gap along piston rod, effectively can ensure sensitivity when hydraulic cushion works.Piston rod 4 moves up and down, fluid is driven to produce damping force by piston valve 5 and compression valve 3, absorb the vibrational energy of vehicle, when Vehicular vibration is too strong, when meeting or exceeding the limit of vibration damper, buffer limit block 7 on piston rod 4 matches with the throat structure 8 on clutch release slave cylinder 2 top, the fluid of vibration damper inside is made to produce oil pressure in this reducing region, buffer limit block 7 and throat structure 8 form a hydraulic oil closed chamber, cushioned by the limited compression of oil pressure to vibration damper in reducing region, the oil liquid pressure that buffer limit block 7 is subject to when working is born by the nut on piston valve assembly, thus effectively avoid rigid shock to bring uncomfortable.
Embodiment two
The difference part of the present embodiment and embodiment one is: described buffer limit block 7 has with described throat structure 8 ramp structure matched.Described oil storage cylinder 1 position corresponding with throat structure on described clutch release slave cylinder 2 arranges corresponding throat structure 8.
The utility model reasonable in design, eliminate the hydraulic buffer cylinder that conventional hydraulic snubber is located at clutch release slave cylinder top, throat structure is adopted on clutch release slave cylinder top, decrease number of spare parts, reduce cost, simplify the number of spare parts of assembling, improve efficiency of assembling, avoid multiple part with the use of and the assembly error caused.And the function of hydraulic buffer vibration-damper needs can be reached, for car load lightweight provides effective help.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof
.
Claims (7)
1. a hydraulic buffer vibration-damper, it is characterized in that: it comprises oil storage cylinder and is arranged on the clutch release slave cylinder in described oil storage cylinder, bottom described clutch release slave cylinder, compression valve is set, in described clutch release slave cylinder, piston rod is set, described piston-rod lower end arranges piston valve, the top of described clutch release slave cylinder is throat structure, arranges hydraulic cushion limiting stopper in the middle part of described piston rod.
2. vibration damper as claimed in claim 1, is characterized in that: described buffer limit block is ferrous based powder metallurgical product.
3. vibration damper as claimed in claim 1 or 2, is characterized in that: described buffer limit block is axially arranged with free gap along piston rod.
4. vibration damper as claimed in claim 3, is characterized in that: described piston rod offers circular groove, is set with snap ring in described circular groove.
5. vibration damper as claimed in claim 1 or 2, is characterized in that: described buffer limit block and described throat structure have the ramp structure matched.
6. vibration damper as claimed in claim 3, is characterized in that: described buffer limit block and described throat structure have the ramp structure matched.
7. vibration damper as claimed in claim 1 or 2, is characterized in that: the described oil storage cylinder position corresponding with throat structure on described clutch release slave cylinder arranges corresponding throat structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500109.7U CN204083030U (en) | 2014-09-02 | 2014-09-02 | A kind of hydraulic buffer vibration-damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500109.7U CN204083030U (en) | 2014-09-02 | 2014-09-02 | A kind of hydraulic buffer vibration-damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083030U true CN204083030U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500109.7U Expired - Fee Related CN204083030U (en) | 2014-09-02 | 2014-09-02 | A kind of hydraulic buffer vibration-damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780118A (en) * | 2019-03-05 | 2019-05-21 | 合肥工业大学 | A kind of gradual damping shock absorber |
| CN110645303A (en) * | 2019-10-09 | 2020-01-03 | 浙江稳达减振器有限公司 | Variable-diameter type hydraulic buffer structure automobile shock absorber assembly |
-
2014
- 2014-09-02 CN CN201420500109.7U patent/CN204083030U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780118A (en) * | 2019-03-05 | 2019-05-21 | 合肥工业大学 | A kind of gradual damping shock absorber |
| CN110645303A (en) * | 2019-10-09 | 2020-01-03 | 浙江稳达减振器有限公司 | Variable-diameter type hydraulic buffer structure automobile shock absorber assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200902 |