CN201731011U - Double-drum type shock absorber - Google Patents
Double-drum type shock absorber Download PDFInfo
- Publication number
- CN201731011U CN201731011U CN2010202820657U CN201020282065U CN201731011U CN 201731011 U CN201731011 U CN 201731011U CN 2010202820657 U CN2010202820657 U CN 2010202820657U CN 201020282065 U CN201020282065 U CN 201020282065U CN 201731011 U CN201731011 U CN 201731011U
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- rod
- latus rectum
- piston rod
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a double-drum type shock absorber, which comprises an oil storage cylinder, a work cylinder, a bottom valve and a piston rod, wherein the piston rod is sleeved with a piston valve, the work cylinder is divided into an upper cavity and a lower cavity by the piston valve, the piston valve is provided with an inflow channel which is used for oil liquid to flow into an upper cavity from a lower cavity when compressing the piston rod, the upper end surface of the piston valve is provided with an elastic circulation valve plate, the circulation valve plate extends to the upper end surface of the inflow channel to form an one-way valve, the bottom valve is provided with an oil inlet channel and an oil outlet channel, and the lower end of the piston rod is provided with an outflow channel. The double-drum type shock absorber further comprises a big latus rectum channel and a small latus rectum channel which are communicated with the outflow channel, the small latus rectum channel is opened in a low speed state, and the big latus rectum channel is closed. The big latus rectum channel is opened in a high speed state, and the small latus rectum channel is closed. The utility model provides a double-drum type shock absorber which lead resistance value change to be more continuous and to be softer when switching in high speed and low speed.
Description
Technical field
The utility model relates to a kind of vibration damper, particularly a kind of double barreled vibration damper.
Background technique
At present, along with improving constantly of technology, in order to make automobile in the process of moving, when running into broken terrain, vehicle body does not have violent shake, improves passenger's comfort level, and the use of vibration damper is used widely.Existing a kind of double barreled vibration damper, include oil storage cylinder, be arranged on the clutch release slave cylinder in the oil storage cylinder, described clutch release slave cylinder bottom surface is provided with a bottom valve, be provided with a piston rod that moves up and down in the clutch release slave cylinder, be provided with piston valve at upper cover of piston rod, described piston valve is divided into two chambeies up and down with clutch release slave cylinder, fluid flowed between upper and lower cavity when described piston valve was provided with for the piston rod compression flow channel and flow pass, also be provided with two flexible circulation valve blocks up and down on the described piston valve, described upward circulation valve block extends to flow channel and flow pass upper-end surface and corresponding described flow pass place and is provided with through hole, the described valve block of circulation down extends to described flow pass lower end surface, fluid flowed between clutch release slave cylinder and oil storage cylinder when described bottom valve was provided with for the piston rod compression oil inlet passage and oil discharge passage, also be provided with two elastic compensating valve blocks up and down on the described bottom valve, described flexible compensation valve block extends to described oil inlet passage and oil discharge passage upper-end surface and corresponding described oil discharge passage place and is provided with through hole, described elastic compensating valve block down extends to described oil discharge passage lower end surface, but this double barreled vibration damper change in resistance when height and low speed is not steady, it is uncomfortable that the passenger still can feel, therefore needs a kind of double barreled vibration damper that can make the Resistance Value variation more become soft more continuously when high speed and low speed conversion.
Summary of the invention
The purpose of this utility model: in order to overcome the defective of prior art, the utility model provides a kind of can make Resistance Value change the double barreled vibration damper that more becomes soft more continuously when high speed and low speed conversion.
The technical solution of the utility model: a kind of double barreled vibration damper, include oil storage cylinder, be arranged on the clutch release slave cylinder in the oil storage cylinder, described clutch release slave cylinder bottom is provided with a bottom valve, be provided with a piston rod that moves up and down in the described clutch release slave cylinder, described upper cover of piston rod is provided with piston valve, described piston valve is divided into two chambeies up and down with clutch release slave cylinder, fluid flowed into the flow channel of epicoele when described piston valve was provided with for the piston rod compression from cavity of resorption, described piston valve upper-end surface is provided with flexible circulation valve block, described circulation valve block extends to described flow channel upper-end surface and constitutes one-way valve, described bottom valve is provided with oil inlet passage and the oil discharge passage that fuel feeding liquid flows between clutch release slave cylinder and oil storage cylinder, fluid flowed into the flow pass of cavity of resorption when described piston-rod lower end was provided with for the piston rod stretching from epicoele, also comprise the big latus rectum passage and the little latus rectum passage that are communicated with described flow pass, under the lower-speed state, little latus rectum passage is opened, big latus rectum pathway closure; Under the fast state, big latus rectum passage is opened little latus rectum pathway closure.
Described piston-rod lower end face is provided with trimmer valve, described trimmer valve includes the valve body of fixedlying connected with piston rod, be provided with a valve pocket in the described valve body, be provided with the valve rod that moves up and down in the valve pocket, described valve pocket upper end is provided with a valve seat that cooperates with the valve body slippage, described valve seat is provided with a piston hole, end section is up-narrow and down-wide trapezoidal on the described valve rod, break-make by move up and down control described valve pocket and the flow pass of described valve rod in piston hole, described valve interior wall is provided with the positioning means that the restriction valve seat is upwards held skidding distance, be arranged with the low speed spring on the described valve rod, described low speed spring one end and the valve seat conflict the other end and valve body lower end face are conflicted, be provided with the gap between described valve rod upper end and the piston hole, the lower end surface of described valve rod contacts with valve base, described valve body is provided with the tap hole of fluid from valve pocket inflow cavity of resorption, the gap of fluid between described piston hole and valve rod under the lower-speed state, outflow opening flows into cavity of resorption and constitutes described little latus rectum passage; Described valve outer wall is arranged with pressure ring, described pressure ring is that the pressure ring upper-end surface contacts with the piston-rod lower end face under slippage cooperation and the lower-speed state with valve body, described pressure ring inwall is provided with groove, described groove is between described valve seat and piston rod, described valve body is provided with the through hole that fuel feeding liquid flows into groove, described valve base is extended with a flange laterally, described flange upper-end surface is parallel with the pressure ring lower end surface, be provided with a high speed spring between described flange and the pressure ring, conflict in described high speed spring one end and the pressure ring lower end surface conflict the other end and flange upper-end surface, under the fast state, described pressure ring separates with the piston-rod lower end face, and fluid is through described through hole, described groove flows into cavity of resorption and constitutes described big latus rectum passage.
Described positioning means is extended with boss for the upper end at the corresponding valve seat of described valve interior wall, and described valve body does not have base, is provided with a dismountable align member in the lower end surface of described valve body.
Be provided with the oilhole that is communicated with cavity of resorption between described valve seat and the piston-rod lower end face.
Be provided with a guider between the upper end of described oil storage cylinder and clutch release slave cylinder, be provided with sliding bearing between described guider and the piston rod.
Described guider is provided with the cavity that is used to store the fluid of taking clutch release slave cylinder on the piston rod out of, and described guider is provided with the spill port that is communicated with cavity and oil storage cylinder.
Be provided with sealing component between described guider and the piston rod.
Effect of the present utility model: be provided with flow pass at piston-rod lower end, it is softer when adopting different springs to make at high speed and low speed with low-speed stage at a high speed Resistance Value to be changed, and the passenger is more comfortable; Adopt seal ring and sealing mechanism assurance fluid can not reveal; Being provided with spill port can be so that the fluid that piston rod is taken out of flows back in the oil storage cylinder.
Description of drawings
Fig. 1 is the structure sectional view of the utility model specific embodiment
Fig. 2 is the partial enlarged drawing of I part among Fig. 1
Fig. 3 is the partial enlarged drawing of II part among Fig. 1
Embodiment
Embodiment of the present utility model: as Fig. 1,2, shown in 3, a kind of double barreled vibration damper, include: oil storage cylinder 1, be arranged on the clutch release slave cylinder 2 in the oil storage cylinder 1, be provided with a bottom valve 3 between described oil storage cylinder 1 and clutch release slave cylinder 2 bottoms, be provided with a piston rod that moves up and down 5 in the described clutch release slave cylinder 2, be arranged with piston valve 4 on the described piston rod 5, described piston valve 4 is divided into two chambeies up and down with clutch release slave cylinder 2, fluid flowed into the flow channel 41 of epicoele when described piston valve 4 was provided with for piston rod 5 compressions from cavity of resorption, described piston valve 4 upper-end surfaces are provided with flexible circulation valve block 42, described circulation valve block 42 extends to described flow channel 41 upper-end surfaces and constitutes one-way valve, described bottom valve 3 is provided with oil inlet passage 32 and the oil discharge passage 31 that fuel feeding liquid flows between clutch release slave cylinder 2 and oil storage cylinder 1, fluid flowed into the flow pass 6 of cavity of resorption when described piston rod 5 lower end edges were axially arranged with for piston rod 5 stretchings from epicoele, also comprise the big latus rectum passage 8 and the little latus rectum passage 7 that are communicated with described flow pass 6, under the lower-speed state, little latus rectum passage 7 is opened, and big latus rectum passage 8 is closed; Under the fast state, big latus rectum passage 8 is opened, and little latus rectum passage 7 is closed.In this specific embodiment, also be provided with two elastic compensating valve blocks up and down on the described bottom valve 3, described upward elastic compensating valve block 33 extends to described oil inlet passage 32 and oil discharge passage 31 upper-end surfaces and corresponding described oil discharge passage 31 places and is provided with through hole, and described elastic compensating valve block 34 down extends to described oil discharge passage 31 lower end surfaces.Described piston rod 5 lower end surfaces are provided with trimmer valve, described trimmer valve includes the valve body 71 of fixedlying connected with piston rod 5, be provided with a valve pocket 72 in the described valve body 71, be provided with the valve rod 735 that moves up and down in the valve pocket 72, described valve pocket 72 upper ends are provided with a valve seat 74 that cooperates with valve body 71 slippages, described valve seat 74 is provided with a piston hole 741, end section is up-narrow and down-wide trapezoidal on the described valve rod 735, by the move up and down control described valve pocket 72 of described valve rod 735 in piston hole 741 and the break-make of flow pass 6, described valve body 71 inwalls are provided with the positioning means of restriction valve seat 74 to the upper end skidding distance, be arranged with low speed spring 75 on the described valve rod 735, conflict in described low speed spring 75 1 ends and the valve seat 74 conflict the other ends and valve body 71 lower end surfaces, be provided with the gap between described valve rod 735 upper ends and the piston hole 741, the lower end surface of described valve rod 735 contacts with valve body 71 bases, described valve body 71 is provided with the tap hole 711 of fluid from valve pocket 72 inflow cavity of resorptions, the gap of fluid between described piston hole 741 and valve rod 735 under the lower-speed state, outflow opening flows into cavity of resorption and constitutes described little latus rectum passage 7; Described valve body 71 outer walls are arranged with pressure ring 81, described pressure ring 81 contacts with piston rod 5 lower end surfaces for pressure ring 81 upper-end surfaces under slippage cooperation and the lower-speed state with valve body 71, described pressure ring 81 inwalls are provided with groove 811, described groove 811 is between described valve seat 74 and piston rod 5, described valve body 71 is provided with the through hole 712 that fuel feeding liquid flows into groove 811, described valve body 71 bases are extended with a flange laterally, described flange upper-end surface is parallel with pressure ring 81 lower end surfaces, be provided with a high speed spring 82 between described flange and the pressure ring 81, conflict in described high speed spring 82 1 ends and the pressure ring 81 lower end surface conflict the other ends and flange upper-end surface, under the fast state, described pressure ring 81 separates with piston rod 5 lower end surfaces, and fluid is through described through hole 712, described groove 811 flows into cavity of resorption and constitutes described big latus rectum passage 8.In this specific embodiment, easy to process in order to make, described positioning means is extended with boss 713 for the upper end at the corresponding valve seat 74 of described valve body 71 inwalls, and described valve body 71 no bases are provided with a dismountable align member in the lower end surface of described valve body 71.In this specific embodiment, for the ease of installing, be provided with a set screw nut 9 between described valve body 71 and the piston rod 5, described piston rod 5 lower end surfaces are provided with screw thread, and described valve body 71 is wholely set with set screw nut 9, and described pressure ring 81 1 ends contact with set screw nut 9.Described detachable align member is a setscrew nut 10, and described setscrew nut 10 cross sections are half " worker " font, and described valve body 71 lower end outer walls are provided with screw thread, tightens through setscrew nut 10 to constitute the location.Be provided with an oilhole that is communicated with cavity of resorption 11 between described valve seat 74 and piston rod 5 lower end surfaces.Be provided with a guider 12 between the upper end of described oil storage cylinder 1 and clutch release slave cylinder 2, be provided with sliding bearing 13 between described guider 12 and the piston rod 5.Described guider 12 is provided with and is used to store the cavity of taking the fluid of clutch release slave cylinder 2 on the piston rod 5 out of, and described guider 12 is provided with the spill port 15 that is communicated with cavity and oil storage cylinder 1.Be provided with sealing mechanism between described guider 12 and the piston rod 5, in this specific embodiment, described sealing mechanism is an oil sealing 14.
The utility model working principle: under lower-speed state, when piston rod 5 moves downward, the fluid of cavity of resorption is compressed in the clutch release slave cylinder 2, the part fluid of cavity of resorption promotes the epicoele of the circulation valve block 42 inflow clutch release slave cylinders 2 of described piston valve 4 through flow channel 41, also have part fluid to push the compression valve block 34 of described bottom valve 3 open through oil discharge passage 31, flow into oil storage cylinder 1, when piston rod 5 moves upward, the epicoele of described clutch release slave cylinder 2 is compressed, upper chamber portion fluid flows in the valve body 71 from the oil discharge passage 41 of described piston rod 5, because end section is up-narrow and down-wide trapezoidal on the valve rod 735, between described valve rod 73 and the piston hole 741 certain interval is arranged, fluid flows out from the gap, tap hole on valve body 71 711 flows into cavity of resorption again, the compensation valve block 33 of going up that the part fluid of oil storage cylinder 1 can be pushed described bottom valve 3 open flows into cavity of resorption, and the VOLUME LOSS of bringing because of pulling out of piston rod is compensated; Under fast state, when piston rod 5 moves downward, the fluid of cavity of resorption is compressed in the clutch release slave cylinder 2, the part fluid of cavity of resorption promotes the epicoele of the circulation valve block 42 inflow clutch release slave cylinders 2 of described piston valve 4 through flow channel 41, also have part fluid to push the compression valve block 34 of described bottom valve 3 open through oil discharge passage 31, flow into oil storage cylinder 1, when piston rod 5 moves upward, the fluid of clutch release slave cylinder 2 epicoeles is compressed, the part fluid of epicoele flows into the valve body 71 from the oil discharge passage 6 of described piston rod 5, because fluid has little time to flow through in valve pocket 72, can flow into the groove 811 of pressure ring 81 by the through hole 712 from valve body 71, thereby promote high speed spring 82, make pressure ring 81 separate with set screw nut 9, fluid flows back to cavity of resorption, and the compensation valve block 33 of going up that the part fluid of oil storage cylinder 1 can be pushed described bottom valve 3 open flows into cavity of resorption, and the VOLUME LOSS of bringing because of pulling out of piston rod is compensated.Adopt technique scheme, the Resistance Value variation more becomes soft more continuously when high speed and low speed conversion, reduces the unexpected sense of jolting, and makes the passenger feel more comfortable.
Claims (7)
1. double barreled vibration damper, include: oil storage cylinder, be arranged on the clutch release slave cylinder in the oil storage cylinder, described clutch release slave cylinder bottom is provided with a bottom valve, be provided with a piston rod that moves up and down in the described clutch release slave cylinder, described upper cover of piston rod is provided with piston valve, described piston valve is divided into two chambeies up and down with clutch release slave cylinder, fluid flowed into the flow channel of epicoele when described piston valve was provided with for the piston rod compression from cavity of resorption, described piston valve upper-end surface is provided with flexible circulation valve block, described circulation valve block extends to described flow channel upper-end surface and constitutes one-way valve, described bottom valve is provided with oil inlet passage and the oil discharge passage that fuel feeding liquid flows between clutch release slave cylinder and oil storage cylinder, it is characterized in that: fluid flowed into the flow pass of cavity of resorption when described piston-rod lower end was provided with for the piston rod stretching from epicoele, also comprise the big latus rectum passage and the little latus rectum passage that are communicated with described flow pass, under the lower-speed state, little latus rectum passage is opened, big latus rectum pathway closure; Under the fast state, big latus rectum passage is opened little latus rectum pathway closure.
2. double barreled vibration damper according to claim 1, it is characterized in that: described piston-rod lower end face is provided with trimmer valve, described trimmer valve includes the valve body of fixedlying connected with piston rod, be provided with a valve pocket in the described valve body, be provided with the valve rod that moves up and down in the valve pocket, described valve pocket upper end is provided with a valve seat that cooperates with the valve body slippage, described valve seat is provided with a piston hole, end section is up-narrow and down-wide trapezoidal on the described valve rod, break-make by move up and down control described valve pocket and the flow pass of described valve rod in piston hole, described valve interior wall is provided with the positioning means that the restriction valve seat is upwards held skidding distance, be arranged with the low speed spring on the described valve rod, described low speed spring one end and the valve seat conflict the other end and valve body lower end face are conflicted, be provided with the gap between described valve rod upper end and the piston hole, the lower end surface of described valve rod contacts with valve base, described valve body is provided with the tap hole of fluid from valve pocket inflow cavity of resorption, the gap of fluid between described piston hole and valve rod under the lower-speed state, outflow opening flows into cavity of resorption and constitutes described little latus rectum passage; Described valve outer wall is arranged with pressure ring, described pressure ring is that the pressure ring upper-end surface contacts with the piston-rod lower end face under slippage cooperation and the lower-speed state with valve body, described pressure ring inwall is provided with groove, described groove is between described valve seat and piston rod, described valve body is provided with the through hole that fuel feeding liquid flows into groove, described valve base is extended with a flange laterally, described flange upper-end surface is parallel with the pressure ring lower end surface, be provided with a high speed spring between described flange and the pressure ring, conflict in described high speed spring one end and the pressure ring lower end surface conflict the other end and flange upper-end surface, under the fast state, described pressure ring separates with the piston-rod lower end face, and fluid is through described through hole, described groove flows into cavity of resorption and constitutes described big latus rectum passage.
3. double barreled vibration damper according to claim 2 is characterized in that: described positioning means is extended with boss for the upper end at the corresponding valve seat of described valve interior wall, and described valve body does not have base, is provided with a dismountable align member in the lower end surface of described valve body.
4. according to claim 2 or 3 described double barreled vibration dampers, it is characterized in that: be provided with the oilhole that is communicated with cavity of resorption between described valve seat and the piston-rod lower end face.
5. according to claim 1 or 2 or 3 described double barreled vibration dampers, it is characterized in that: be provided with a guider between the upper end of described oil storage cylinder and clutch release slave cylinder, be provided with sliding bearing between described guider and the piston rod.
6. double barreled vibration damper according to claim 5 is characterized in that: described guider is provided with the cavity that is used to store the fluid of taking clutch release slave cylinder on the piston rod out of, and described guider is provided with the spill port that is communicated with cavity and oil storage cylinder.
7. double barreled vibration damper according to claim 6 is characterized in that: be provided with sealing component between described guider and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202820657U CN201731011U (en) | 2010-08-02 | 2010-08-02 | Double-drum type shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202820657U CN201731011U (en) | 2010-08-02 | 2010-08-02 | Double-drum type shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731011U true CN201731011U (en) | 2011-02-02 |
Family
ID=43522168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202820657U Expired - Fee Related CN201731011U (en) | 2010-08-02 | 2010-08-02 | Double-drum type shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518735A (en) * | 2011-12-21 | 2012-06-27 | 浙江森森汽车零部件有限公司 | Two-cylinder damper with double-guide supporting device |
| CN104271370A (en) * | 2012-03-21 | 2015-01-07 | 萱场工业株式会社 | Suspension device |
-
2010
- 2010-08-02 CN CN2010202820657U patent/CN201731011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518735A (en) * | 2011-12-21 | 2012-06-27 | 浙江森森汽车零部件有限公司 | Two-cylinder damper with double-guide supporting device |
| CN104271370A (en) * | 2012-03-21 | 2015-01-07 | 萱场工业株式会社 | Suspension device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202468817U (en) | Novel damper with adjustable damping | |
| CN101555923B (en) | Shock absorber piston assembly and self-adjusting damping shock absorber comprising same | |
| CN202674143U (en) | Transverse oscillating damper for locomotive vehicles | |
| CN104747650A (en) | Shock absorbing method and shock absorber thereof | |
| CN105240442A (en) | Oil damper | |
| CN106122343B (en) | A kind of inversion type front damping device for motorcycle | |
| CN102606667B (en) | Transverse shock absorber for locomotives | |
| CN205173350U (en) | Hydraulic shock absorber | |
| CN201731011U (en) | Double-drum type shock absorber | |
| CN203348405U (en) | Novel damper with variable damping | |
| CN103307168A (en) | Novel damping-adjustable shock absorber | |
| CN103557262B (en) | A kind of damping self-adjustment shock absorber | |
| CN108679144B (en) | Automotive suspension and pilot type semi-active damper thereof | |
| CN209083885U (en) | A kind of two-way resistance damper | |
| CN203730633U (en) | Variable compression damping shock absorber | |
| CN203685960U (en) | Manually-adjusted damping-adjustable shock absorber | |
| CN202867686U (en) | Adjustable automobile damper | |
| CN202500936U (en) | Air bumper | |
| CN202100643U (en) | Double-barrel shock absorber with high additional compression resistance | |
| CN203892438U (en) | Damper | |
| CN202360660U (en) | Manual variable damping shock absorber | |
| CN209245131U (en) | Monotubular adjustable shock absorber | |
| CN203548688U (en) | Damping self-adjustment shock absorber | |
| CN2878794Y (en) | Oil controller built-in car vibration damper | |
| CN201827284U (en) | Lateral damper with dual-acting valve system structure |
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 |
Granted publication date: 20110202 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |