CN202001543U - Double-cylinder oil-gas separating type damping shock absorber - Google Patents
Double-cylinder oil-gas separating type damping shock absorber Download PDFInfo
- Publication number
- CN202001543U CN202001543U CN2011200875556U CN201120087555U CN202001543U CN 202001543 U CN202001543 U CN 202001543U CN 2011200875556 U CN2011200875556 U CN 2011200875556U CN 201120087555 U CN201120087555 U CN 201120087555U CN 202001543 U CN202001543 U CN 202001543U
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- Prior art keywords
- oil
- slave cylinder
- clutch release
- release slave
- fuel tank
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Abstract
The utility model discloses a double-cylinder oil-gas separating type damping shock absorber comprising a shock absorbing assembly and a damping assembly. The damping assembly comprises a working cylinder and an oil storing cylinder sheathed outside the working cylinder, an inner working cylinder cavity is formed in the working cylinder, and an inner oil storing cylinder cavity is formed between the oil storing cylinder and the working cylinder and is sealed axially by an annular sealing piece so as to form an air chamber and an oil chamber. In the absorber, gas is prevented from entering oil liquid in the moving process of a piston, so that the foaming is prevented, the damping force of the shock absorber is guaranteed, and a work chamber of the damper, in high-speed reciprocating motion, can be supplied with oil more sufficiently; as the foaming phenomenon does not exist, a power showing graph of the damping shock absorber is perfect; the damping attenuation valve after the damper is used for a long time is reduced, so that the service life of the damper is prolonged; the requirements on forward assembly and reverse assembly can be realized in the assembly process; and under the premise that the compact structure and the cost of the existing damping shock absorber of a motorcycle are not changed, the double-cylinder oil-gas separating type damping shock absorber has a better damping effect.
Description
Technical field
The utility model relates to a kind of assembling auxiliary system of vehicle component, particularly a kind of assembling apparatus of vibration damper.
Background technique
By the motor vehicular shock absorber that damper, damping spring and link are formed, have the body vibrations of mitigation and improve ride comfort, transmit the effect that various counter-forces are improved wheel ground connection property raising drive safety.Wherein playing of damper relaxed the damping spring vibration, weaken the effect of damping spring vibration wave, be separated into two active chambers that are connected by clutch release slave cylinder in the damper fuel tank, be fuel tank inner chamber, clutch release slave cylinder inner chamber, clutch release slave cylinder inner chamber injecting oil liquid, fuel tank inner chamber part space is marked with fluid, and another part then is an air, and two fluid chambeies are connected by the aperture in the bottom valve.Piston assembly pumps, a clutch release slave cylinder inner chamber fluid part enters the cavity of resorption of piston by the aperture of piston assembly, entered the fluid that the clutch release slave cylinder inner chamber arranges by piston assembly and then flow to the fuel tank inner chamber by the aperture in the bottom valve, the throttling by aperture has produced compression damping power; Piston assembly is to next motion, piston cavity of resorption fluid enters piston upper chamber by the piston aperture, orifice restriction by piston produces recovery damping force, and the clutch release slave cylinder inner chamber sucks repairing to the fluid of fuel tank inner chamber because of the space of the downward lateral movement emptying of piston assembly by bottom valve, for work is next time prepared.
This shows that in the prior art, the clutch release slave cylinder inner chamber does not separate with the oil gas of fuel tank inner chamber, fluid meeting foamed causes the weakening of damping force thus in the reciprocating motion of the pistons process, and the vibration of vibration damper is returned former slower; Owing to causing the variation of damping force, the fluid foamed influences the deformity of indicator diagram shape; Damping vibration attenuation after damper is durable is big, and the life-span of damper reduces; Can't realize the matching requirements of positive and negative twocouese.
Therefore, need improve, can prevent the foamed of fluid in the piston motion process, guarantee damping force shock damper; Guarantee the normal of damping shock absorption device indicator diagram shape; And the damping vibration attenuation value after the reduction damper is durable, the life-span of improving damper; Can realize the matching requirements of positive and negative twocouese.
The model utility content
In view of this, the utility model provides a kind of bitubular Oil-gas Separation formula damping shock absorption device, can prevent the foamed of fluid in the piston motion process, guarantees damping force; Guarantee the normal of damping shock absorption device indicator diagram shape; And the damping vibration attenuation value after the reduction damper is durable, the life-span of improving damper; Can realize the matching requirements of positive and negative twocouese.
Bitubular Oil-gas Separation formula damping shock absorption device of the present utility model, comprise dampening assembly and damper assembly, described damper assembly comprises clutch release slave cylinder and is coated at the fuel tank of clutch release slave cylinder, form the clutch release slave cylinder inner chamber in the clutch release slave cylinder, form the fuel tank inner chamber between fuel tank and the clutch release slave cylinder, described clutch release slave cylinder inner chamber and fuel tank inner chamber are communicated with by the oil-through hole of clutch release slave cylinder bottom, described clutch release slave cylinder is provided with piston assembly, described fuel tank inner chamber is provided with the lip ring that can slide vertically, described lip ring forms air cavity and oil pocket with the axial seal of fuel tank inner chamber, and described oil pocket is communicated with by oil-through hole with the clutch release slave cylinder inner chamber.
Further, described lip ring close clutch release slave cylinder bottom when damping shock absorption device original state;
Further, described lip ring is O RunddichtringO, X-shaped seal ring, y-shaped ring or rectangular seal;
Further, described lip ring is rubber seal or filled polytetrafluoroethylene seal ring;
Further, dampening assembly comprises damping spring and link, and described link is fixedly connected on the piston rod of piston assembly, and described damping spring is coated at fuel tank and piston rod, and one end end is limited in the fuel tank cylindrical, and the other end withstands link.
The beneficial effects of the utility model: bitubular Oil-gas Separation formula damping shock absorption device of the present utility model, setting just fuel tank inner chamber axial seal forms the lip ring of air cavity and oil pocket, formation has the separated type damping shock absorption device of two active chambers, can prevent that gas enters fluid in the piston motion process, thereby prevent foamed, guarantee the damping force of vibration damper, make the reciprocating active chamber repairing of high speed of damper more abundant; Owing to do not have the foamed phenomenon, guarantee that damping shock absorption device indicator diagram shape is more satisfactory; And the damping vibration attenuation value after the reduction damper is durable, the life-span of improving damper; Because the seal action of lip ring can be realized the matching requirements of positive and negative twocouese in assembly process; Under the prerequisite of compact structure that does not change existing motorcycle damping shock absorption device and cost, can realize the air sac type effect of damper, have better damping.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
Embodiment
Fig. 1 is a structural representation of the present utility model, as shown in the figure: the bitubular Oil-gas Separation formula damping shock absorption device of present embodiment, comprise dampening assembly and damper assembly, described damper assembly comprises clutch release slave cylinder 6 and is coated at the fuel tank 4 of clutch release slave cylinder 6, form clutch release slave cylinder inner chamber 7 in the clutch release slave cylinder 6, form the fuel tank inner chamber between fuel tank 4 and the clutch release slave cylinder 6, described clutch release slave cylinder inner chamber 7 and fuel tank inner chamber are communicated with by the oil-through hole 1 of clutch release slave cylinder bottom, described clutch release slave cylinder 6 is provided with piston assembly 9, clutch release slave cylinder 6 bottoms be piston assembly 9 piston crown over against the end; Piston assembly comprises piston and piston rod 10, and piston is arranged in the clutch release slave cylinder in the mode that can reciprocatingly slide vertically, and piston is provided with and is communicated with the piston throttle orifice of cavity up and down; Piston rod 10 seals vertically and passes clutch release slave cylinder 6 ends; Described fuel tank inner chamber is provided with the lip ring 3 that can slide vertically, and described lip ring 3 forms air cavity 5 and oil pocket 2 with the axial seal of fuel tank inner chamber, and described oil pocket 2 is communicated with by oil-through hole 1 with clutch release slave cylinder inner chamber 7.
As shown in the figure, clutch release slave cylinder inner chamber 7 injecting oil liquids, air cavity 5 sealing 1.2 * P (barometric pressure) air of fuel tank inner chamber, two chambeies reach the work effect by the movement position variation of lip ring 3.Piston assembly 9 pumps, a clutch release slave cylinder inner chamber fluid part enters the cavity of resorption (chambeies of piston rod 10 1 sides) of piston by the throttle orifice on the piston of piston assembly 9, by piston assembly 9 enter fluid that the clutch release slave cylinder inner chamber arranges then the oil-through hole 2 by clutch release slave cylinder 6 bottoms flow to the fuel tank inner chamber by chamber 2, force lip ring 3 downward lateral movements, air in the air cavity 5 of compression fuel tank inner chamber, air pressure raises (making the fluid of piston cavity of resorption replenish more abundant), and fluid has produced compression damping power by the throttling of oil-through hole 2.When the downward lateral movement of piston assembly 9, piston cavity of resorption fluid enters piston upper chamber by the piston aperture, orifice restriction by piston produces recovery damping force, and clutch release slave cylinder inner chamber 7 passes through the oil-through hole 2 of clutch release slave cylinder 6 bottoms the fluid suction repairing in the oil pocket 2 of fuel tank inner chamber because of the space of piston assembly 9 downward lateral movement emptyings, lip ring 3 moves under gas pressure, under the double action of the high pressure of fluid in the air cavity 5 of clutch release slave cylinder inner chamber 7 negative pressure and fuel tank inner chamber in the oil pocket 2 of fuel tank inner chamber, repairing is more abundant, for work is next time prepared.
In the present embodiment, described lip ring 3 is close clutch release slave cylinder 6 bottoms when damping shock absorption device original state; Can guarantee to do the enough big gas space, guarantee damping.
In the present embodiment, described lip ring 3 is O RunddichtringO, X-shaped seal ring, y-shaped ring or rectangular seal; The best is the X-shaped seal ring, and its cross section is an X-shaped, has the self-expanding effect under pressure, guarantees good sealing effect under the prerequisite than less friction, and the lip ring that is moves up and down under pressure flexibly.
In the present embodiment, described lip ring 3 is rubber seal or filled polytetrafluoroethylene seal ring; The best is a rubber seal, has stronger adaptability and selfsealings; The filled polytetrafluoroethylene seal ring has wear resistance and self-lubricating property preferably, and intensity is higher, thereby has long working life.
In the present embodiment, dampening assembly comprises damping spring 8 and link 11, and link 11 is used to connect the motorcycle associated components, such as wheel shaft; Described link 11 is fixedly connected on the piston rod 10 of piston assembly 9, described damping spring 8 is coated at fuel tank 4 and piston rod 10, damping spring 8 one end ends are limited in fuel tank 4 cylindricals, as shown in the figure, fuel tank 4 cylindricals are set with limiting stopper, damping spring 8 one ends withstand limiting stopper, and the other end withstands link 11, form shock-damping structure.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. bitubular Oil-gas Separation formula damping shock absorption device, comprise dampening assembly and damper assembly, described damper assembly comprises clutch release slave cylinder and is coated at the fuel tank of clutch release slave cylinder, form the clutch release slave cylinder inner chamber in the clutch release slave cylinder, form the fuel tank inner chamber between fuel tank and the clutch release slave cylinder, described clutch release slave cylinder inner chamber and fuel tank inner chamber are communicated with by the oil-through hole of clutch release slave cylinder bottom, described clutch release slave cylinder is provided with piston assembly, it is characterized in that: described fuel tank inner chamber is provided with the lip ring that can slide vertically, described lip ring forms air cavity and oil pocket with the axial seal of fuel tank inner chamber, and described oil pocket is communicated with by oil-through hole with the clutch release slave cylinder inner chamber.
2. bitubular Oil-gas Separation formula damping shock absorption device according to claim 1 is characterized in that: described lip ring is close clutch release slave cylinder bottom when damping shock absorption device original state.
3. bitubular Oil-gas Separation formula damping shock absorption device according to claim 2, it is characterized in that: described lip ring is O RunddichtringO, X-shaped seal ring, y-shaped ring or rectangular seal.
4. bitubular Oil-gas Separation formula damping shock absorption device according to claim 3, it is characterized in that: described lip ring is rubber seal or filled polytetrafluoroethylene seal ring.
5. bitubular Oil-gas Separation formula damping shock absorption device according to claim 4, it is characterized in that: dampening assembly comprises damping spring and link, described link is fixedly connected on the piston rod of piston assembly, described damping spring is coated at fuel tank and piston rod, one end end is limited in the fuel tank cylindrical, and the other end withstands link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200875556U CN202001543U (en) | 2011-03-29 | 2011-03-29 | Double-cylinder oil-gas separating type damping shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200875556U CN202001543U (en) | 2011-03-29 | 2011-03-29 | Double-cylinder oil-gas separating type damping shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001543U true CN202001543U (en) | 2011-10-05 |
Family
ID=44704284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200875556U Expired - Lifetime CN202001543U (en) | 2011-03-29 | 2011-03-29 | Double-cylinder oil-gas separating type damping shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001543U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644289A (en) * | 2018-07-25 | 2018-10-12 | 吴佳锋 | A kind of automobile bitubular fluid damping shock absorber |
| CN112727984A (en) * | 2020-12-24 | 2021-04-30 | 临海市鹿城机车部件有限公司 | Vehicle damping device |
| CN115126813A (en) * | 2022-08-26 | 2022-09-30 | 扬州福克斯减震器有限公司 | Intelligent shock absorber of strong shock attenuation |
-
2011
- 2011-03-29 CN CN2011200875556U patent/CN202001543U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644289A (en) * | 2018-07-25 | 2018-10-12 | 吴佳锋 | A kind of automobile bitubular fluid damping shock absorber |
| CN112727984A (en) * | 2020-12-24 | 2021-04-30 | 临海市鹿城机车部件有限公司 | Vehicle damping device |
| CN115126813A (en) * | 2022-08-26 | 2022-09-30 | 扬州福克斯减震器有限公司 | Intelligent shock absorber of strong shock attenuation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING SOKON INDUSTRY GROUP CO., LTD. Free format text: FORMER NAME: CHONGQING SOKON AUTOMOBILE GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1 Patentee after: Chongqing Xiaokang Industry Group Co., Ltd. Address before: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1 Patentee before: Chongqing Sokon Automobile Group Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING YU'AN INNOVATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHONGQING SOKON INDUSTRY GROUP CO., LTD. Effective date: 20120425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120425 Address after: 400033 Fenghuang Town, Shapingba District, Chongqing Patentee after: Chongqing Yu'an Innovation Technology Co., Ltd. Address before: 400033 Jinqiao Road, Shapingba District, Chongqing, 61-1 Patentee before: Chongqing Xiaokang Industry Group Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing yuan Shock Absorber Co. Ltd. Assignor: Chongqing Xiaokang Industry Group Co., Ltd. Contract record no.: 2012500000029 Denomination of utility model: Double-cylinder oil-gas separating type damping shock absorber Granted publication date: 20111005 License type: Exclusive License Record date: 20120423 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |