CN114321255A - Drum-type shock absorber with buffer structure - Google Patents
Drum-type shock absorber with buffer structure Download PDFInfo
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- CN114321255A CN114321255A CN202111610857.1A CN202111610857A CN114321255A CN 114321255 A CN114321255 A CN 114321255A CN 202111610857 A CN202111610857 A CN 202111610857A CN 114321255 A CN114321255 A CN 114321255A
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- cylinder
- annular damping
- dust cover
- piston rod
- damping part
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Abstract
The invention relates to a cylinder type shock absorber with a buffering structure. The device is including the dust cover, the piston rod has been alternate in the dust cover, and sliding connection has the cylinder on the piston rod that is located the dust cover, the cylinder free end is located the dust cover and sets up outward, has cup jointed annular damping part on being located the piston rod in the cylinder, the cylinder is provided with the reducing region, the reducing region is located the cylinder top and sets up, and when the cylinder is elongated, annular damping part removes to the minor diameter region from the regional major diameter region of reducing for annular damping part side extrusion is on the cylinder inner wall, and the device sets up the reducing region in the cylinder, is equipped with annular damping part on the piston rod simultaneously, makes the cylinder when the extension, can receive certain damping force, slow deceleration to avoid the striking abnormal sound of shock absorber, be applicable to among the industrial production, have very strong practicality.
Description
Technical Field
The invention belongs to the technical field of shock absorbers, and particularly relates to a barrel type shock absorber with a buffering structure.
Background
With the rapid growth of national economy, the requirements of people on riding safety and comfort are higher and higher, and the automobile shock absorber is used as an important index for measuring the comfort of an automobile, the quality of the shock absorption performance directly influences the comfort of the automobile, the shock absorption performance of the shock absorber has a direct relation with the internal structure of the shock absorber, at present, most of shock absorber piston cylinders of middle and low end automobiles are straight-tube type, damping force is generated by hydraulic pressure and is matched with an elastic element to achieve the shock absorption effect, the damping force generated by the structure is in direct proportion to the vibration speed of the piston, under the ordinary road conditions, the shock absorber can meet the use condition, but under the road conditions that the speed reduction zone of rural roads and urban roads with poor road conditions exceeds 10cm, the shock absorber is easy to stretch to the longest and generates sound by impact.
Disclosure of Invention
The invention provides a cylindrical shock absorber with a buffer structure, aiming at overcoming the defects that the shock absorber is damaged due to the fact that the buffer structure is lacked when the existing shock absorber is stretched.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a cylinder shock absorber with buffer structure, including the dust cover, the dust cover is interior to alternate there is the piston rod, and sliding connection has the cylinder on the piston rod that is located the dust cover, the cylinder free end is located the dust cover and sets up outward, has cup jointed annular damping part on the piston rod that is located the cylinder, the cylinder is provided with the reducing region, the reducing region is located the setting of cylinder top, when the cylinder is elongated, annular damping part removes to the minor diameter region from the regional major diameter region of reducing for annular damping part side extrusion is on the cylinder inner wall.
When the damping device works, when the cylinder barrel extends, the annular damping part moves from the large-diameter area to the small-diameter area of the diameter-variable area, and the side surface of the annular damping part is instantly extruded on the inner wall of the cylinder barrel, so that oil is instantly blocked, a certain damping force is generated, the movement speed of the cylinder barrel is reduced, and the impact abnormal sound of the shock absorber is reduced.
Compared with the prior art, the invention has the beneficial effects that: the device sets up the reducing region in the cylinder, is equipped with annular damping part simultaneously on the piston rod for the cylinder can receive certain damping force when the extension, slow deceleration, thereby avoids the striking abnormal sound of shock absorber, is applicable to among the industrial production, has very strong practicality.
The annular damping part comprises an annular damping sleeve, a plurality of sealing grooves are formed in the outer surface of the annular damping sleeve, and sealing rings are embedded in the sealing grooves.
An oil inlet and an oil outlet are formed in the annular damping sleeve.
And an oil seal is arranged at the bottom of the cylinder barrel.
A liquid storage barrel is arranged outside the cylinder barrel, and a hanging ring is arranged at the free end of the liquid storage barrel.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: the damping device comprises a dust cover 1, a piston rod 2, a cylinder 3, an annular damping part 4, an annular damping sleeve 401, a sealing groove 402, a diameter-variable region 5, a large-diameter region 501, a small-diameter region 502, an oil seal 6, a liquid storage tank 7 and a lifting ring 8.
Detailed Description
The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1-2, for a cylinder shock absorber with buffer structure, including dust cover 1, piston rod 2 has been alternate in the dust cover 1, sliding connection has cylinder 3 on the piston rod 2 that is located the dust cover 1, the free end of cylinder 3 is located dust cover 1 and sets up outward, the piston rod 2 that is located the cylinder 3 goes up to cup joint annular damping part 4, cylinder 3 is provided with reducing region 5, reducing region 5 is located the setting of cylinder 3 top, when cylinder 3 is elongated, annular damping part 4 moves to minor diameter region 502 from the major diameter region 501 of reducing region 5, make 4 side extrusions of annular damping part on the 3 inner walls of cylinder. The annular damping part 4 comprises an annular damping sleeve 401, a plurality of sealing grooves 402 are formed in the outer surface of the annular damping sleeve 401, and sealing rings are embedded in the sealing grooves 402. An oil inlet and an oil outlet are formed in the annular damping sleeve 401. The bottom of the cylinder barrel 3 is provided with an oil seal 6. A liquid storage barrel 7 is arranged outside the cylinder barrel 3, and a hanging ring 8 is arranged at the free end of the liquid storage barrel 7.
When the damping device works, when the cylinder barrel 3 extends, the annular damping part 4 moves from the large-diameter area 501 of the diameter-variable area 5 to the small-diameter area 502, the side face of the annular damping part 4 is extruded on the inner wall of the cylinder barrel 3 instantly, oil is blocked instantly, certain damping force is generated, the movement speed of the cylinder barrel 3 is reduced, and impact abnormal sound of the shock absorber is reduced.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a cylinder shock absorber with buffer structure which characterized in that: including the dust cover, the piston rod has been alternate in the dust cover, and sliding connection has the cylinder on the piston rod that is located the dust cover, the cylinder free end is located the dust cover and sets up outward, has cup jointed annular damping part on the piston rod that is located the cylinder, the cylinder is provided with the reducing region, the reducing region is located the setting of cylinder top, and when the cylinder extension, annular damping part removes to the minor diameter region from the regional major diameter region of reducing for annular damping part side extrusion is on the cylinder inner wall.
2. The tube damper with a cushion structure according to claim 1, wherein: the annular damping part comprises an annular damping sleeve, a plurality of sealing grooves are formed in the outer surface of the annular damping sleeve, and sealing rings are embedded in the sealing grooves.
3. The tube damper with a cushion structure according to claim 2, wherein: an oil inlet and an oil outlet are formed in the annular damping sleeve.
4. The tube damper with a cushion structure according to claim 3, wherein: and an oil seal is arranged at the bottom of the cylinder barrel.
5. The tube damper with a shock-absorbing structure according to any one of claims 1 to 4, wherein: a liquid storage barrel is arranged outside the cylinder barrel, and a hanging ring is arranged at the free end of the liquid storage barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610857.1A CN114321255A (en) | 2021-12-27 | 2021-12-27 | Drum-type shock absorber with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610857.1A CN114321255A (en) | 2021-12-27 | 2021-12-27 | Drum-type shock absorber with buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114321255A true CN114321255A (en) | 2022-04-12 |
Family
ID=81013655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111610857.1A Pending CN114321255A (en) | 2021-12-27 | 2021-12-27 | Drum-type shock absorber with buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114321255A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10115375A1 (en) * | 2001-03-28 | 2002-10-31 | Stabilus Gmbh | Blockable piston-cylinder unit has valve body prestressed in working position by at least one valve spring |
| CN103899178A (en) * | 2012-12-29 | 2014-07-02 | 鸿富锦精密工业(武汉)有限公司 | Buffer device |
| CN104632979A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Adjustable damping shock absorber |
| CN109058354A (en) * | 2018-09-30 | 2018-12-21 | 天津天德减震器有限公司 | Variable diameter piston damper |
| CN109386567A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
-
2021
- 2021-12-27 CN CN202111610857.1A patent/CN114321255A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10115375A1 (en) * | 2001-03-28 | 2002-10-31 | Stabilus Gmbh | Blockable piston-cylinder unit has valve body prestressed in working position by at least one valve spring |
| CN103899178A (en) * | 2012-12-29 | 2014-07-02 | 鸿富锦精密工业(武汉)有限公司 | Buffer device |
| CN104632979A (en) * | 2015-02-02 | 2015-05-20 | 江苏大学 | Adjustable damping shock absorber |
| CN109386567A (en) * | 2017-08-14 | 2019-02-26 | 青岛海尔洗衣机有限公司 | Damper and device for clothing processing including the damper |
| CN109058354A (en) * | 2018-09-30 | 2018-12-21 | 天津天德减震器有限公司 | Variable diameter piston damper |
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