CN201991990U - Connecting structure for dustproof cover of automobile shock absorber - Google Patents
Connecting structure for dustproof cover of automobile shock absorber Download PDFInfo
- Publication number
- CN201991990U CN201991990U CN2011200749515U CN201120074951U CN201991990U CN 201991990 U CN201991990 U CN 201991990U CN 2011200749515 U CN2011200749515 U CN 2011200749515U CN 201120074951 U CN201120074951 U CN 201120074951U CN 201991990 U CN201991990 U CN 201991990U
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- dust
- proof cover
- piston
- steel cylinder
- piston rod
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Abstract
The utility model provides a connecting structure for a dustproof cover of an automobile shock absorber, which belongs to the technical field of automobile shock absorbers and solves the problem that dust easily enters a piston cylinder from the lower end of an existing dustproof cover. The connecting structure for the dustproof cover of the automobile shock absorber is characterized in that the shock absorber comprises a piston steel cylinder and a piston rod arranged on the piston steel cylinder, the dustproof cover is connected onto the piston rod in a sleeved manner, the upper end of the dustproof cover is fixedly connected to the outer end of the piston rod by the aid of a connector, and a limit structure for limiting the lower end opening of the dustproof cover to be separated from the end of the piston steel cylinder is arranged between the lower end of the dustproof cover and the piston steel cylinder. The lower end of the dustproof cover is in better clearance fit with a limit sleeve in the limit structure, and the dustproof cover is fine in dustproof effect.
Description
Technical field
The utility model belongs to the automobile absorber technical field, relates to a kind of linkage structure of automobile absorber dust-proof cover.
Background technique
Produce vibrations because elastic element is hit in the suspension system of automobile,, be installed in parallel vibration damper with elastic element in the suspension, be the decay vibrations for improving vehicle running smoothness.Vibration damper is a core component in suspension system, generally all adopt hydraulic damper, its general structure comprises the cylinder body of being with piston cylinder, the end cap that cooperates with cylinder body, one end places piston rod and close-fitting wiper seal of piston rod and the guide holder in the cylinder body, and the outer piston rod of cylinder body circumferentially is socketed with the buffer stopper that is used to cushion.Its working principle is when vibrations between vehicle frame or vehicle body and vehicle bridge and when relative movement occurring, the piston up-down in the vibration damper, and the fluid the vibration damper chamber in is passing through different holes from a chamber and flow in another chamber repeatedly just; The intermolecular interior friction of friction between hole wall and fluid and fluid at this moment forms damping force to vibrations, and making the thump Conversion of energy is fluid heat energy, is dispersed in the atmosphere by the vibration damper absorption again.In above-mentioned motion, because moving up and down of piston rod produces wearing and tearing between piston and the oil sealing, just form the gap in the course of time easily, extraneous dirt thing just can enter vibration damper inside, influences the vibration damper life-span, and this just need be at vibration damper arranged outside dust-proof cover.
At above-mentioned situation, the existing vibration damper outside also is provided with dust-proof cover, the linkage structure of this dust-proof cover is generally: this dust-proof cover is generally selected tubular shell for use, vibration isolator integral structure on the upper end of dust-proof cover and the helical spring, the lower end of dust-proof cover is a reducing, be socketed on the external cylindrical surface of piston cylinder, prevent that dust from entering in the piston cylinder from the below of piston cylinder port; In said structure, this dust-proof cover rubs mutually with the spring holder of piston cylinder lower end easily, thereby causes the enamelled coating of spring holder to come off and abnormal sound; The lower end wearing and tearing of dust-proof cover can be caused in the external cylindrical surface friction of long-time and piston cylinder in the lower end of dust-proof cover, and dust enters in the piston cylinder from the lower end of dust-proof cover easily.
Summary of the invention
The purpose of this utility model is at existing deficiency, and a kind of linkage structure of automobile absorber dust-proof cover of dustproof better effects if is provided.
The purpose of this utility model can realize by following technical proposal: a kind of linkage structure of automobile absorber dust-proof cover, this vibration damper comprises piston steel cylinder and the piston rod that is arranged on the piston steel cylinder, it is characterized in that, connect a dust-proof cover at upper cover of piston rod, the upper end of dust-proof cover is connected in the outer end of piston rod by link, is provided with the limit structure that restriction dust-proof cover lower end mouth breaks away from piston steel cylinder end between the lower end of dust-proof cover and the piston steel cylinder.
The linkage structure of this automobile absorber dust-proof cover mainly is connected dust-proof cover on the vibration damper, this vibration damper mainly is made up of piston steel cylinder and piston rod, this piston rod one end is positioned at the piston steel cylinder and does linear reciprocating motion with respect to the piston steel cylinder, in order to prevent that piston rod from moving in the piston steel cylinder dust is brought in the piston steel cylinder, be connected to dust-proof cover at upper cover of piston rod, the upper end of dust-proof cover is connected on the piston rod, and the lower end is connected on the piston steel cylinder.
In the linkage structure of above-mentioned automobile absorber dust-proof cover, described limit structure comprises stop collar, this stop collar position is located between dust-proof cover and the piston steel cylinder, be provided with on the external cylindrical surface of stop collar and can limit the dust-proof cover lower end and move axially the limiting stopper of distance at the piston steel cylinder, above-mentioned dust-proof cover lower end is socketed on the stop collar.This limiting stopper be positioned on the external cylindrical surface of stop collar and radially outward protruding triangular in shape, this limiting stopper and stop collar are integral structure.
In the linkage structure of above-mentioned automobile absorber dust-proof cover, edge, described dust-proof cover lower end has the flange that an ecto-entad turns over, and this flange can be connected on the above-mentioned limiting stopper.This flange can not axially move on piston steel cylinder external cylindrical surface contiguous the contact also on the piston steel cylinder external cylindrical surface.
In the linkage structure of above-mentioned automobile absorber dust-proof cover, described stop collar is socketed in the end of piston steel cylinder and is connected with the interference of piston steel cylinder.Piston rod passes from the aperture of stop collar upper end portion, the port wall of this stop collar and piston rod Spielpassung.
In the linkage structure of above-mentioned automobile absorber dust-proof cover, described link is the buffer stopper of a frustoconic shape, offer annular groove on the external cylindrical surface of this link, have a bulge loop that is connected on the above-mentioned annular groove on the above-mentioned dust-proof cover inwall, described bulge loop is connected on the annular groove.This buffer stopper itself has elasticity, the bulge loop on the dust-proof cover inwall is connected on the annular groove of buffer stopper by the extruding buffer stopper, and linkage structure is stable.
In the linkage structure of above-mentioned automobile absorber dust-proof cover, described link is socketed on the piston rod and with the piston rod interference and is connected.The purpose of She Zhiing is link to be connected with piston rod stablize like this, prevents that link from coming off from piston rod.
Compared with prior art, the linkage structure of this automobile absorber dust-proof cover connects a dust-proof cover at upper cover of piston rod, the upper end of dust-proof cover is connected in the outer end of piston rod by link, be provided with the limit structure that restriction dust-proof cover lower end mouth breaks away from piston steel cylinder end between the lower end of dust-proof cover and the piston steel cylinder, when piston rod moves on the piston steel cylinder, move in the limit structure of plug steel cylinder end all the time in the lower end of dust-proof cover, the lower end of dust-proof cover and the stop collar Spielpassung in the limit structure are better, make the dust-proof cover good dustproof effect, reduced the vibration damper leakage of oil, this limit structure restriction dust-proof cover lower end mouth breaks away from piston steel cylinder end, reduce the dust-proof cover compress variation, strengthened the durability of dust-proof cover.
Description of drawings
Fig. 1 is the linkage structure sectional structure schematic representation of this automobile absorber dust-proof cover.
Fig. 2 is the side-looking structural representation of the stop collar in the linkage structure of this automobile absorber dust-proof cover.
Among the figure, 1, the piston steel cylinder; 2, piston rod; 3, dust-proof cover; 3a, flange; 4, link; 5, stop collar; 5a, limiting stopper; 6, annular groove; 7, bulge loop.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1 or shown in Figure 2, the linkage structure of this automobile absorber dust-proof cover, mainly dust-proof cover 3 is connected on the vibration damper, this vibration damper mainly is made up of piston steel cylinder 1 and piston rod 2, these piston rod 2 one ends are positioned at piston steel cylinder 1 and do linear reciprocating motion with respect to piston steel cylinder 1, in order to prevent that piston rod 2 from moving in piston steel cylinder 1 dust is brought in the piston steel cylinder 1, on piston rod 2, be socketed with dust-proof cover 3, the upper end of dust-proof cover 3 is connected in the outer end of piston rod 2 by a connection piece 4, during actual selecting for use, this link 4 has elasticity and is the buffer stopper of a frustoconic shape, on the external cylindrical surface of link 4, offer annular groove 6, has a bulge loop 7 that is connected on the annular groove 3 on the dust-proof cover 3 upper end inwalls, when dust-proof cover 3 is installed, the bulge loop 7 on dust-proof cover 3 inwalls is connected on the annular groove 6 of link 4 by extruding link 4, stable for link 4 is connected with piston rod 2, prevent that link 4 from coming off from piston rod 2, this link 4 is socketed on the piston rod 2 and with piston rod 2 interference and is connected; Be provided with the stop collar 5 that restriction dust-proof cover 3 lower end mouth break away from piston steel cylinder 1 end between the lower end of dust-proof cover 3 and the piston steel cylinder 1,5 of this stop collars are located between dust-proof cover 3 and the piston steel cylinder 1, when stop collar 5 is installed, stop collar 5 is socketed in the end of piston steel cylinder 1 and is connected with 1 interference of piston steel cylinder; The piston rod 2 that is arranged in the piston steel cylinder 1 passes the port wall of this stop collar 5 and piston rod 2 Spielpassung from the aperture of stop collar 5 upper end portions.On the external cylindrical surface of stop collar 5, be provided with and limit dust-proof cover 3 lower ends move axially distance at piston steel cylinder 1 limiting stopper 5a, this limiting stopper 5a be positioned on the external cylindrical surface of stop collar 5 and radially outward protruding triangular in shape, this limiting stopper 5a and stop collar 5 are integral structure.Above-mentioned edge, dust-proof cover 3 lower end has the flange 3a that an ecto-entad turns over, and this flange 3a can be connected on the limiting stopper 5a, and this flange 3a can not axially move on piston steel cylinder 1 external cylindrical surface contiguous the contact also on piston steel cylinder 1 external cylindrical surface.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. the linkage structure of an automobile absorber dust-proof cover, this vibration damper comprises piston steel cylinder (1) and is arranged on piston rod (2) on the piston steel cylinder (1), it is characterized in that, go up socket one dust-proof cover (3) at piston rod (2), the upper end of dust-proof cover (3) is connected in the outer end of piston rod (2) by link (4), is provided with the limit structure that restriction dust-proof cover (3) lower end mouth breaks away from piston steel cylinder (1) end between the lower end of dust-proof cover (3) and the piston steel cylinder (1).
2. the linkage structure of automobile absorber dust-proof cover according to claim 1, it is characterized in that, described limit structure comprises stop collar (5), this stop collar (5) position is located between dust-proof cover (3) and the piston steel cylinder (1), be provided with on the external cylindrical surface of stop collar (5) and can limit dust-proof cover (3) lower end and move axially the limiting stopper (5a) of distance at piston steel cylinder (1), above-mentioned dust-proof cover (3) lower end is socketed on the stop collar (5).
3. the linkage structure of automobile absorber dust-proof cover according to claim 2 is characterized in that, described dust-proof cover (3) edge, lower end has the flange (3a) that an ecto-entad turns over, and this flange (3a) can be connected on the above-mentioned limiting stopper (5a).
4. the linkage structure of automobile absorber dust-proof cover according to claim 2 is characterized in that, described stop collar (5) is socketed in the end of piston steel cylinder (1) and is connected with piston steel cylinder (1) interference.
5. the linkage structure of automobile absorber dust-proof cover according to claim 1, it is characterized in that, described link (4) is the buffer stopper of a frustoconic shape, offer annular groove (6) on the external cylindrical surface of this link (4), have a bulge loop (7) that is connected on the above-mentioned annular groove (6) on above-mentioned dust-proof cover (3) inwall, described bulge loop (7) is connected on the annular groove (6).
6. the linkage structure of automobile absorber dust-proof cover according to claim 5 is characterized in that, described link (4) is socketed in piston rod (2) and upward and with piston rod (2) interference is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200749515U CN201991990U (en) | 2011-03-21 | 2011-03-21 | Connecting structure for dustproof cover of automobile shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200749515U CN201991990U (en) | 2011-03-21 | 2011-03-21 | Connecting structure for dustproof cover of automobile shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991990U true CN201991990U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200749515U Expired - Fee Related CN201991990U (en) | 2011-03-21 | 2011-03-21 | Connecting structure for dustproof cover of automobile shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991990U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927192A (en) * | 2012-10-31 | 2013-02-13 | 芜湖市顺昌汽车配件有限公司 | Dustproof device of automobile damper |
| CN103089895A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Vehicle shock absorber assembly capable of reducing noise |
| CN103174700A (en) * | 2013-04-02 | 2013-06-26 | 厦门大学 | Rotary pendulum protective device of automatic air cylinder |
| CN105179565A (en) * | 2015-07-20 | 2015-12-23 | 浙江工贸职业技术学院 | Dustproof cover for shock absorber |
| CN105637253A (en) * | 2013-10-08 | 2016-06-01 | Ｋｙｂ株式会社 | Shock absorber |
| CN105765263A (en) * | 2014-03-12 | 2016-07-13 | 住友理工株式会社 | Vehicular dust cover assembly and method for manufacturing same |
| CN106763434A (en) * | 2015-11-24 | 2017-05-31 | 成都九鼎科技(集团)有限公司 | A kind of damper top mount cap assemblies |
| CN107165971A (en) * | 2017-06-28 | 2017-09-15 | 北京汽车研究总院有限公司 | A kind of damping jacket structure and vehicle |
| WO2019109878A1 (en) * | 2017-12-07 | 2019-06-13 | Ningbo Geely Automobile Research & Development Co., Ltd. | Coilover shock absorber |
| CN110848315A (en) * | 2019-11-28 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Suspension stand column assembly and vehicle |
-
2011
- 2011-03-21 CN CN2011200749515U patent/CN201991990U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089895A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Vehicle shock absorber assembly capable of reducing noise |
| CN102927192A (en) * | 2012-10-31 | 2013-02-13 | 芜湖市顺昌汽车配件有限公司 | Dustproof device of automobile damper |
| CN103174700A (en) * | 2013-04-02 | 2013-06-26 | 厦门大学 | Rotary pendulum protective device of automatic air cylinder |
| CN103174700B (en) * | 2013-04-02 | 2015-07-01 | 厦门大学 | Rotary pendulum protective device of automatic air cylinder |
| US9777791B2 (en) | 2013-10-08 | 2017-10-03 | Kyb Corporation | Shock absorber |
| CN105637253B (en) * | 2013-10-08 | 2018-09-07 | Ｋｙｂ株式会社 | Buffer |
| CN105637253A (en) * | 2013-10-08 | 2016-06-01 | Ｋｙｂ株式会社 | Shock absorber |
| CN105765263A (en) * | 2014-03-12 | 2016-07-13 | 住友理工株式会社 | Vehicular dust cover assembly and method for manufacturing same |
| CN105765263B (en) * | 2014-03-12 | 2017-04-12 | 住友理工株式会社 | Vehicular dust cover assembly and method for manufacturing same |
| CN105179565A (en) * | 2015-07-20 | 2015-12-23 | 浙江工贸职业技术学院 | Dustproof cover for shock absorber |
| CN106763434A (en) * | 2015-11-24 | 2017-05-31 | 成都九鼎科技(集团)有限公司 | A kind of damper top mount cap assemblies |
| CN107165971A (en) * | 2017-06-28 | 2017-09-15 | 北京汽车研究总院有限公司 | A kind of damping jacket structure and vehicle |
| WO2019109878A1 (en) * | 2017-12-07 | 2019-06-13 | Ningbo Geely Automobile Research & Development Co., Ltd. | Coilover shock absorber |
| US11548342B2 (en) | 2017-12-07 | 2023-01-10 | Ningbo Geely Automobile Research & Development Co. | Coilover shock absorber |
| CN110848315A (en) * | 2019-11-28 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Suspension stand column assembly and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140321 |