CN201661637U - Shock absorber provided with anti-foaming device - Google Patents
Shock absorber provided with anti-foaming device Download PDFInfo
- Publication number
- CN201661637U CN201661637U CN 201020177532 CN201020177532U CN201661637U CN 201661637 U CN201661637 U CN 201661637U CN 201020177532 CN201020177532 CN 201020177532 CN 201020177532 U CN201020177532 U CN 201020177532U CN 201661637 U CN201661637 U CN 201661637U
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- China
- Prior art keywords
- inner cylinder
- foam
- cylinder tube
- guider
- oil
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to a shock absorber provided with an anti-foaming device, which mainly comprises a piston rod, an inner cylinder barrel, an oil seal and a guide apparatus, wherein the piston rod is inserted into the inner cylinder barrel; an inserting hole of the inner cylinder barrel is provided with the oil seal and the guide apparatus; the oil seal is positioned at the upper part of the guide apparatus; an oil storage cavity of the guide apparatus is formed between the oil seal and the guide apparatus; an inner cylinder barrel separating layer is formed between the inner wall and the outer wall of the inner cylinder barrel; the anti-foaming device is arranged on the inner cylinder barrel separating layer close to the top; the upper part of the anti-foaming device is sheathed outside the guide apparatus; and an anti-foaming cavity is formed between the anti-foaming device and the inner wall. The shock absorber has the benefits that the structure is provided with the anti-foaming device, the oil in the oil storage cavity of the guide apparatus flows into the anti-foaming cavity along with a circulating ring-shaped groove, and foam of the oil in the oil storage cavity flows into the liquid level of the inner cylinder barrel along the inner wall of the inner cylinder barrel after self-destruction, so that the possibility that oil generates air bubbles can be effectively prevented. Meanwhile, the problems such as cavitation, idle stroke, abnormal sound and the like are also prevented.
Description
Technical field
The utility model relates generally to for motor vehicle vibration damper field, mainly is a kind of vibration damper that has anti-foam device.
Background technique
Traditional vibration damper generally all adopts between guider and inner cylinder tube and directly press-fits Placement, because vibration damper piston rod when work is in reciprocating state, so piston rod surface can constantly be brought vibration damper fluid into the guider oil storage chamber, can splash into the inner cylinder tube liquid level along the fluid flow channel when fluid in the guider oil storage chamber is accumulated certain altitude simultaneously, form bubble not of uniform size, these bubbles can be brought into inner cylinder tube along with fluid inspiration and eliminating that pumping of piston rod causes, thereby cause that vibration damper produces air pocket, idle running, problems such as abnormal sound.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of rational in infrastructure, and performance better has the vibration damper of anti-foam device.
The utility model solves the technological scheme that its technical problem adopts: this vibration damper that has anti-foam device, mainly comprise piston rod, inner cylinder tube, oil sealing and guider, piston rod inserts in the inner cylinder tube, the slotting ingress of inner cylinder tube is provided with oil sealing and guider, oil sealing is positioned at the top of guider, form the guider oil storage chamber between oil sealing and the guider, form the inner cylinder tube interlayer between the inwall of inner cylinder tube and the outer wall, the inner cylinder tube interlayer is provided with anti-foam device near the place, top, the top of anti-foam device is placed in outside the guider, forms anti-foam chamber between anti-foam device and the inwall.
Described anti-foam device is made up of steel plate frame and rubber body, and steel plate frame is placed in rubber body top, composes one between steel plate frame and the rubber body, and the upper part diameter of rubber body is greater than the diameter of bottom, and steel plate frame is provided with the circulation annular groove.
The upper outside of described rubber body is provided with outer anti-foam line, and anti-outward foam line contacts with the outer wall of inner cylinder tube.
Anti-foam line in the lower inside of described rubber body is provided with, interior anti-foam line contacts with the inwall of inner cylinder tube.
The effect that the utility model is useful is: the utility model is provided with an anti-foam device more in structure, can allow the logical annular groove of fluid longshore current in the guider oil storage chamber flow in the anti-foam chamber, the foam of fluid in this chamber through self-destruction after the gap of inner cylinder tube and anti-foam circle flows into the inner cylinder tube liquid level along the inner cylinder tube inwall, the effective like this possibility that has prevented fluid generation bubble.Also prevented simultaneously the generation that vibration damper produces problems such as air pocket, idle running, abnormal sound.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is anti-foam apparatus structure schematic representation;
Fig. 3 is anti-foam device plan view.
Description of reference numerals: piston rod 1, oil drainage hole 2, oil sealing 3, guider 4, anti-foam device 5, inner cylinder tube 6, inner cylinder tube interlayer 7, inwall 8, outer wall 9, anti-foam chamber 10, guider oil storage chamber 11, steel plate frame 12, anti-outward foam line 13, rubber body 14, interior anti-foam line 15, circulation annular groove 16.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in the figure, this vibration damper that has anti-foam device, mainly comprise piston rod 1, inner cylinder tube 6, oil sealing 3 and guider 4, piston rod 1 inserts in the inner cylinder tube 6, the slotting ingress of inner cylinder tube 6 is provided with oil sealing 3 and guider 4, oil sealing 3 is positioned at the top of guider 4, form guider oil storage chamber 11 between oil sealing 3 and the guider 4, be used for temporary transient store oil effect, form inner cylinder tube interlayer 7 between the inwall 8 of inner cylinder tube 6 and the outer wall 9, inner cylinder tube interlayer 7 is provided with anti-foam device 5 near the place, top, and the top of anti-foam device 5 is placed in outside the guider 4, forms anti-foam chamber 10 between anti-foam device 5 and the inwall 8.
Anti-foam device 5 is made up of steel plate frame 12 and rubber body 14, steel plate frame 12 is placed in rubber body 14 tops, compose one between steel plate frame 12 and the rubber body 14, the upper part diameter of rubber body 14 is greater than the diameter of bottom, steel plate frame 12 is provided with 4 circulation annular grooves 16, and the circulation annular groove 16 on the steel plate frame 12 matches with oil drainage hole 2 on the guider 4.The upper outside of rubber body 14 is provided with outer anti-foam line 13, outer anti-foam line 13 contacts with the outer wall 9 of inner cylinder tube 6, anti-foam line 15 in the lower inside of rubber body 14 is provided with, interior anti-foam line 15 contacts with the inwall 8 of inner cylinder tube 6, if be provided with outer anti-foam line 13 and interior anti-foam line 15 simultaneously, then can play better effect.
Piston rod 1 is when moving up and down, fluid has been brought in the guider oil storage chamber 11, between guider 4 and inner cylinder tube 6, increased an anti-foam device 5, and on the steel plate frame 12 of anti-foam device 5, have a circulation annular groove 16, allow the fluid of 11 li of guider oil storage chambers discharge by oil drainage hole 2, and the logical annular groove 16 of longshore current flows in the anti-foam chamber 10, the foam of fluid in this chamber through the self-destruction after, gap between the interior anti-foam line 15 of the inwall 8 of inner cylinder tube 6 and anti-foam circle flows into inner cylinder tubes 6 liquid levels along the inwall 8 of inner cylinder tube 6, reduce the inner fluid of vibration damper so as much as possible and produce bubble in whole process, effective fluid that must prevent produces the possibility of bubble.Also prevented simultaneously the generation that vibration damper produces problems such as air pocket, idle running, abnormal sound, the effect and the working life of having improved vibration damper.
In addition to the implementation, all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. one kind has the vibration damper of preventing the foam device, mainly comprise piston rod (1), inner cylinder tube (6), oil sealing (3) and guider (4), it is characterized in that: piston rod (1) inserts in the inner cylinder tube (6), the slotting ingress of inner cylinder tube (6) is provided with oil sealing (3) and guider (4), oil sealing (3) is positioned at the top of guider (4), form guider oil storage chamber (11) between oil sealing (3) and the guider (4), form inner cylinder tube interlayer (7) between the inwall (8) of inner cylinder tube (6) and the outer wall (9), inner cylinder tube interlayer (7) is provided with anti-foam device (5) near the place, top, the top of anti-foam device (5) is placed in outside the guider (4), forms anti-foam chamber (10) between anti-foam device (5) and the inwall (8).
2. the vibration damper that has anti-foam device according to claim 1, it is characterized in that: described anti-foam device (5) is made up of steel plate frame (12) and rubber body (14), steel plate frame (12) is placed in rubber body (14) top, compose one between steel plate frame (12) and the rubber body (14), the upper part diameter of rubber body (14) is greater than the diameter of bottom, and steel plate frame (12) is provided with circulation annular groove (16).
3. the vibration damper that has anti-foam device according to claim 2 is characterized in that: the upper outside of described rubber body (14) is provided with outer anti-foam line (13), and anti-outward foam line (13) contacts with the outer wall (9) of inner cylinder tube (6).
4. according to claim 2 or the 3 described vibration dampers that have anti-foam device, it is characterized in that: anti-foam line (15) in the lower inside of described rubber body (14) is provided with, interior anti-foam line (15) contacts with the inwall (8) of inner cylinder tube (6).
5. the vibration damper that has anti-foam device according to claim 2, it is characterized in that: the circulation annular groove (16) on the described steel plate frame (12) is 4.
6. according to claim 1, the 2 or 5 described vibration dampers that have anti-foam device, it is characterized in that: the circulation annular groove (16) on the described steel plate frame (12) matches with oil drainage hole (2) on the guider (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020177532 CN201661637U (en) | 2010-04-28 | 2010-04-28 | Shock absorber provided with anti-foaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020177532 CN201661637U (en) | 2010-04-28 | 2010-04-28 | Shock absorber provided with anti-foaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661637U true CN201661637U (en) | 2010-12-01 |
Family
ID=43232052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020177532 Expired - Lifetime CN201661637U (en) | 2010-04-28 | 2010-04-28 | Shock absorber provided with anti-foaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201661637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893052A (en) * | 2010-04-28 | 2010-11-24 | 浙江万向系统有限公司 | Shock absorber provided with anti-foam device |
| CN103089903A (en) * | 2013-01-21 | 2013-05-08 | 成都九鼎科技(集团)有限公司 | Damper capable of eliminating damping oil foam |
| CN107532616A (en) * | 2015-04-28 | 2018-01-02 | 贺德克技术有限公司 | Hydraulic Accumulator |
-
2010
- 2010-04-28 CN CN 201020177532 patent/CN201661637U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893052A (en) * | 2010-04-28 | 2010-11-24 | 浙江万向系统有限公司 | Shock absorber provided with anti-foam device |
| CN101893052B (en) * | 2010-04-28 | 2012-03-21 | 浙江万向系统有限公司 | Shock absorber provided with anti-foam device |
| CN103089903A (en) * | 2013-01-21 | 2013-05-08 | 成都九鼎科技(集团)有限公司 | Damper capable of eliminating damping oil foam |
| CN107532616A (en) * | 2015-04-28 | 2018-01-02 | 贺德克技术有限公司 | Hydraulic Accumulator |
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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: 20101201 Effective date of abandoning: 20120321 |