CN202132437U - Compression valve of shock absorber for automobiles - Google Patents
Compression valve of shock absorber for automobiles Download PDFInfo
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- CN202132437U CN202132437U CN201120208255U CN201120208255U CN202132437U CN 202132437 U CN202132437 U CN 202132437U CN 201120208255 U CN201120208255 U CN 201120208255U CN 201120208255 U CN201120208255 U CN 201120208255U CN 202132437 U CN202132437 U CN 202132437U
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- compression
- compression valve
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Abstract
The utility model discloses a compression valve of a shock absorber for automobiles, which comprises a bottom valve seat, a bottom valve rod, a compensation valve sheet, a throttling valve sheet, a bottom valve limit board, a compensation valve spring, compression valve sheets, a gasket and a bottom valve nut. The bottom valve seat is in cup-shaped structure, the bottom valve rod is disposed inside the cup-shaped structure, and the bottom valve limit board, the gasket, the compression valve sheets and the throttling valve sheet are sequentially installed on the bottom valve rod in sleeved mode. The bottom valve rod penetrates through a connecting through hole located at the center of the bottom valve seat and then is locked through the bottom valve nut. The compensation valve sheet and the compensation valve spring are arranged between the bottom valve nut and the bottom valve seat. The compensation valve spring is located on the compensation valve sheet. The compression valve sheets comprise a first level compression valve sheet, a second level compression valve sheet and a third level compression valve sheet, and the three compression valve sheets are installed on the bottom valve rod in overlapped and sleeved mode. The compression valve of the shock absorber for automobiles is reasonable in structural design and convenient in assembly with a work cylinder, improves shock absorbing effect of the shock absorber and ensures work stability of the shock absorber.
Description
Technical field
The utility model relates to the bumper assembly that a kind of automobile is used, and is specifically related to a kind of automobile absorber compression valve of improving mounting type.
Background technique
At present, the structure of vibration damper is that the piston rod that has piston inserts in the tube, in tube, is full of oil, and throttle orifice is arranged on the piston, makes that the oil in two-part space that is separated by piston can complement each other.Damping produces during through throttle orifice at the oil with viscosity, and throttle orifice is more little, and damping force is big more, and the viscosity of oil is big more, and damping force is big more.If the throttle orifice size is constant, when the vibration damper operating rate was fast, the absorption of affects impact was crossed in damping.Therefore, in the outlet port of throttle orifice a discoid leaf spring valve is set, when pressure became big, valve was backed down, and it is big that the throttle orifice aperture becomes, and damping diminishes.Because piston is a bidirectional-movement, so in the both sides of piston the leaf spring valve is housed all, is called compression valve and rebound valve respectively.Present compression valve structure can not satisfy the demand of a plurality of speed points, influences vibration damper working efficiency and working life.
The model utility content
The utility model technical problem to be solved provides a kind of automobile absorber compression valve, and is rational in infrastructure, easy to assembly with working cylinder, improved the damping effect of vibration damper, satisfied the demand of a plurality of speed points, guaranteed the working stability of vibration damper.
In order to solve the problems of the technologies described above; The utility model adopts following technological scheme: a kind of automobile absorber compression valve; Comprise foot valve seat, bottom valve bar, recuperation valve valve block, throttle valve plate, bottom valve limiting board, recuperation valve spring, compression valve valve block, pad and bottom valve nut, base is a cup-shaped structure, and its bottom is provided with liquid flow hole and connecting hole; The bottom valve bar is arranged at cup-shaped structure inside, is set with bottom valve limiting board, pad, compression valve valve block and throttle valve plate above successively; The bottom valve bar passes the connecting through hole at bottom valve center; The back is by bottom valve nut check; Be provided with recuperation valve valve block and recuperation valve spring between bottom valve nut and the foot valve seat; The recuperation valve spring is positioned at above the recuperation valve valve block, and said compression valve valve block comprises one-level compression valve block, secondary compression valve block and three grades of compression valve blocks, and the three is overlapping to be set on the bottom valve bar.
A kind of automobile absorber compression valve of the utility model, wherein said said one-level compression valve block, secondary compression valve block and three grades of compression valve blocks, three's diameter is all inequality.
A kind of automobile absorber compression valve of the utility model, wherein said said one-level compression valve block, secondary compression valve block and three grades of compression valve blocks, three's diameter reduces successively.
A kind of automobile absorber compression valve of the utility model, wherein said vibration damper are concussion when being used for suppressing bounce-back after the spring shock-absorbing and the energy that absorbs road shocks.When driving the vehicle that vibration damper broken down, can know from experience automobile through the spring that each cheats the hole, the back repercussions that rise and fall ripple, and vibration damper is used for suppressing this spring just.There is not the bounce-back of vibration damper with uncontrollable spring; When running into rugged road surface, automobile will produce serious spring; Cross when curved also can because of spring up and down concussion and cause the forfeiture of tire earth-grasping force and tracking property and the compression valve of vibration damper is an important component part of vibration damper; Mainly be used for realizing producing the compression damping power of vibration damper, to alleviate the vibrations that vehicle produces at roughness pavement.
A kind of automobile absorber compression valve of the utility model; Compression valve in the middle of the valve seat is identical by diameter and dish type lamination valve that thickness different compression valve valve block is formed; In compression stroke, downwards is controlled the flow of compression valve valve block to different positions with this with hydraulic fluid jet power.Because the valve block in this compression valve valve block group all will be participated in identical distortion; Along with the maximum of the increase compression valve valve block of equivalent depth reduces around degree; For characteristic and the life-span that guarantees the compression valve valve block; Have to use the valve block of some to guarantee required equivalent depth, therefore, the structure of existing compression valve valve block is used for little car vibration damper that the requirement speed point is few, travelling comfort is less demanding; But, for the demanding Vibration absorber of car device of travelling comfort, require a plurality of speed point power values of control, and adjacent speed point power value differing little, this compression valve valve structure is just incompatible.A kind of vehicle shock absorber compression valve that has not isometrical dish type valve block opposite with this existing compression valve, that the utility model provides has been eliminated existing compression valve valve block a plurality of speed points has been not suitable for, and middle and high speed point compressive force is accurately controlled in the improvement that provides.It is a kind of novel and through improved compression valve structure that the utility model is that dydraulic shock absorber provides, and this structure compression valve is made up of three groups of different-diameters, different-thickness dish type compression valve valve block.Because the compression valve valve block is made up of the valve block of different-diameter; In compression stroke, downwards is to different positions with hydraulic fluid jet power, and the degree of its each valve block distortion reduces with diameter and reduces; At this moment; The rigidity of each valve block is also different, thereby it is not very greatly that the composite rigidity of whole compression valve valve block changes.This structure has been arranged, just can mate and require the damping force value with the little dydraulic shock absorber characteristic of velocity variations.In the structure that the utility model proposed; Can confirm the quantity of compression valve valve block of compression valve valve block or the different-thickness of different-diameter in advance; Flow with control flows overcompression valve valve block; Simultaneously, can confirm in advance that also the thickness of pad and the diameter of bottom valve limiting board come the flow of control flows overcompression valve valve block, thereby control the high speed damping force value of compression valve valve block.In the structure that the utility model proposed, can also use base to control the flow and the damping force value of point at a high speed with varying number compression aperture.
A kind of automobile absorber compression valve of the utility model, structure is reasonable in design, and is easy to assembly with working cylinder, improved the damping effect of vibration damper, satisfied the demand of a plurality of speed points, guaranteed the working stability of vibration damper.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is the structural representation of a kind of automobile absorber compression valve of the utility model.
Fig. 2 is the shock-damping structure schematic representation that has a kind of automobile absorber compression valve of the utility model.
Embodiment
Disclosed all characteristics in this specification, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
As depicted in figs. 1 and 2; A kind of automobile absorber compression valve of the utility model; Comprise foot valve seat 1, bottom valve bar 2, recuperation valve valve block 3, throttle valve plate 4, bottom valve limiting board 5, recuperation valve spring 6, compression valve valve block, pad 8 and bottom valve nut 9, foot valve seat 1 is a cup-shaped structure, and its bottom is provided with liquid flow hole and connecting hole; The bottom valve bar is arranged at cup-shaped structure inside, is set with bottom valve banking stop 5, pad 8, compression valve valve block and throttle valve plate 4 above successively; Bottom valve bar 2 passes the connecting hole at foot valve seat 1 center; The back is by 9 lockings of bottom valve nut; Be provided with recuperation valve valve block 3 and recuperation valve spring 6 between bottom valve nut 9 and the foot valve seat 1; Recuperation valve spring 6 is positioned at above the recuperation valve valve block 3, and said compression valve valve block comprises one-level compression valve block 7a, secondary compression valve block 7b and three grades of compression valve block 7c, and the three is overlapping to be set on the bottom valve bar 2.
As depicted in figs. 1 and 2, a kind of automobile absorber compression valve of the utility model, wherein said one-level compression valve block 7a, secondary compression valve block 7b and three grades of compression valve block 7c, three's diameter is all inequality.
As depicted in figs. 1 and 2, a kind of automobile absorber compression valve of the utility model, wherein said one-level compression valve block 7a, secondary compression valve block 7b and three grades of compression valve block 7c, three's diameter reduces successively.
As depicted in figs. 1 and 2, a kind of automobile absorber compression valve of the utility model, Fig. 2 is for originally having the sectional view of the utility model.Working principle: in clutch release slave cylinder 13, piston 11 is installed on the bottom of connecting rod 12, and when piston 11 low speed moved downward, the circulation valve block on it was pushed open by fluid, and the most of fluid in the compression chamber flows to the epicoele of piston 11 from the flowing valve of piston; And have more the aperture of fluid on foot valve seat 1 of connecting rod 12 volumes parts; Owing to be not enough to push open the not isometrical valve valve block that contracts; Can only flow into surge drum 14 from the stationary conduit that the groove on the throttle valve plate 4 forms, form the low speed damping characteristic, this characteristic depends primarily on the groove area on the throttle valve plate 4.When piston 11 downwards in during low-speed motion, have more the fluid of connecting rod 12 volumes part because pressure makes one-level compression valve block 7a edge downwarping and the slight bending of secondary compression valve block 7b in the not isometrical valve valve block that contracts form circumferential weld, thereby inflow surge drum 14.This section damping characteristic depends primarily on the rigidity of one-level compression valve block 7a and secondary compression valve block 7b.When piston 11 downward middling speeds are moved; Have more the fluid of connecting rod 12 volumes part; Because hydraulic pressure makes one-level compression valve block 7a and secondary compression valve block 7b downwarping and three grades of slight bending formation circumferential welds that compress valve block 7c in the not isometrical valve valve block that contracts, thereby flows into surge drum 14.This section damping characteristic depends primarily on the composite rigidity of one-level compression valve block 7a, secondary compression valve block 7b and three grades of valve block 7c.When piston 11 downward high speeds are moved; Have more the fluid of connecting rod 12 volumes part; Because pressure makes one-level 7a, secondary compression valve block 7b and three grades of all downwarpings of valve block 7c; Thereby form bigger circumferential weld, this section damping characteristic depends primarily on the composite rigidity of one-level compression valve block 7a, secondary compression valve block 7b and three grades of compression valve block 7c.When the downward high-speed motion of piston, not isometrical compression valve valve block is maximum because of the slit that the downwarping of hydraulic fluid jet power forms, and with foot valve seat 1 on the equivalence of compression via area and form the maximum opening of compression valve.At this moment, the compression aperture on the foot valve seat 1 plays throttling action.Cracked in order to prevent the compression valve valve block, bottom valve postive stop baffle 5 has limited the more large deformation of compression valve valve block.
A kind of automobile absorber compression valve of the utility model, its reasonable in design, easy to assembly with working cylinder, improved the damping effect of vibration damper, satisfied the demand of a plurality of speed points, guaranteed the working stability of vibration damper.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. automobile absorber compression valve; Comprise foot valve seat (1), bottom valve bar (2), recuperation valve valve block (3), throttle valve plate (4), bottom valve limiting board (5), recuperation valve spring (6), compression valve valve block, pad (8) and bottom valve nut (9); Foot valve seat (1) is a cup-shaped structure; Its bottom is provided with liquid flow hole and connecting hole; Bottom valve bar (2) is arranged at cup-shaped structure inside, is set with bottom valve limiting board (5), pad (8), compression valve valve block and throttle valve plate (4) above successively; Bottom valve bar (2) passes the connecting through hole at foot valve seat (1) center; The back is locked by bottom valve nut (9); Be provided with recuperation valve valve block (3) and recuperation valve spring (6) between bottom valve nut (9) and the foot valve seat (1); Recuperation valve spring (6) is positioned at above the recuperation valve valve block (3), it is characterized in that: said compression valve valve block comprises one-level compression valve block (7a), secondary compression valve block (7b) and three grades of compression valve blocks (7c), and the three is overlapping to be set on the bottom valve bar (2).
2. a kind of automobile absorber compression valve according to claim 1 is characterized in that: said one-level compression valve block (7a), secondary compression valve block (7b) and three grades of compression valve blocks (7c), three's diameter is all inequality.
3. a kind of automobile absorber compression valve according to claim 1 is characterized in that: said one-level compression valve block (7a), secondary compression valve block (7b) and three grades of compression valve blocks (7c), three's diameter reduces successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120208255U CN202132437U (en) | 2011-06-20 | 2011-06-20 | Compression valve of shock absorber for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120208255U CN202132437U (en) | 2011-06-20 | 2011-06-20 | Compression valve of shock absorber for automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132437U true CN202132437U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120208255U Expired - Fee Related CN202132437U (en) | 2011-06-20 | 2011-06-20 | Compression valve of shock absorber for automobiles |
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| Country | Link |
|---|---|
| CN (1) | CN202132437U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174788A (en) * | 2013-03-20 | 2013-06-26 | 安徽江淮汽车股份有限公司 | Damping control valve and damping adjusting structure of hydraulic absorber |
| CN103363009A (en) * | 2012-03-27 | 2013-10-23 | 株式会社昭和 | Damping force generator for hydraulic shock absorber |
| CN107654560A (en) * | 2017-11-01 | 2018-02-02 | 四川宁江山川机械有限责任公司 | Vehicle shock absorber compression valve |
| CN110552989A (en) * | 2019-09-24 | 2019-12-10 | 杭州金士顿实业有限公司 | Compression valve structure of large-flow compensation channel and working method thereof |
| CN111692265A (en) * | 2019-09-20 | 2020-09-22 | 裴广华 | Resonance eliminating device for mainframe based on vibration compensation |
-
2011
- 2011-06-20 CN CN201120208255U patent/CN202132437U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363009A (en) * | 2012-03-27 | 2013-10-23 | 株式会社昭和 | Damping force generator for hydraulic shock absorber |
| CN103363009B (en) * | 2012-03-27 | 2016-09-07 | 株式会社昭和 | The damping force generating device of hydraulic bjuffer and front fork |
| CN103174788A (en) * | 2013-03-20 | 2013-06-26 | 安徽江淮汽车股份有限公司 | Damping control valve and damping adjusting structure of hydraulic absorber |
| CN103174788B (en) * | 2013-03-20 | 2015-08-26 | 安徽江淮汽车股份有限公司 | A kind of hydraulic shock absorber damping regulation structure |
| CN107654560A (en) * | 2017-11-01 | 2018-02-02 | 四川宁江山川机械有限责任公司 | Vehicle shock absorber compression valve |
| CN111692265A (en) * | 2019-09-20 | 2020-09-22 | 裴广华 | Resonance eliminating device for mainframe based on vibration compensation |
| CN111692265B (en) * | 2019-09-20 | 2021-09-21 | 胡小青 | Resonance eliminating device for mainframe based on vibration compensation |
| CN110552989A (en) * | 2019-09-24 | 2019-12-10 | 杭州金士顿实业有限公司 | Compression valve structure of large-flow compensation channel and working method thereof |
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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: 20120201 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |