CN106678249A - Bottom valve assembly for adjustable damping vibration absorber - Google Patents
Bottom valve assembly for adjustable damping vibration absorber Download PDFInfo
- Publication number
- CN106678249A CN106678249A CN201611187839.6A CN201611187839A CN106678249A CN 106678249 A CN106678249 A CN 106678249A CN 201611187839 A CN201611187839 A CN 201611187839A CN 106678249 A CN106678249 A CN 106678249A
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- CN
- China
- Prior art keywords
- valve
- transmission control
- valve assembly
- vibration absorber
- compression
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- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a bottom valve assembly for an adjustable damping vibration absorber. The bottom valve assembly for the adjustable damping vibration absorber comprises a valve base stamped together with an inner cylinder barrel of the vibration absorber, a compression valve plate, a compensation valve plate and a rivet, wherein the compression valve plate and the compensation valve plate are arranged on the valve base, and the rivet is used for fixing the valve plates on the valve base; square throttling holes and circular throttling holes are formed in the valve base; when the vibration absorber is in a compression working condition, a vibration absorber oil liquid flows from a compression cavity, passes through the circular throttling holes, bursts through the compression valve plate and flows into a compensation cavity, the square throttling holes are covered by the compensation valve plate, and the vibration absorber oil liquid cannot pass through the square throttling holes; when the vibration absorber is in a reset working condition, the vibration absorber oil liquid flows from the compensation cavity, passes through the square throttling holes, bursts through the compensation valve plate and flows into the compression cavity, the circular throttling holes are covered by the compression valve plate, and the vibration absorber oil liquid cannot pass through the circular throttling holes; and stamping grooves and oil passing grooves are uniformly formed in the valve base in the circumferential direction at intervals, the inner cylinder barrel wall is stamped in the stamping grooves, the valve base and the inner cylinder barrel are fixed together, a non-stamped part corresponds to the oil passing grooves, and therefore circulation of the vibration absorber oil liquid between inner cylinder barrel and an outer cylinder barrel of the vibration absorber is realized.
Description
Technical field
The present invention relates to a kind of bottom valve assembly, more particularly to a kind of bottom valve assembly for adaptive transmission control.
Background technology
Vehicle shock absorber is the critical piece for embodying running car comfortableness and stationarity, while and automobile suspension system
Important component part.In recent years, adaptive transmission control is increasingly subject to industry popularization, and it is the road surface shape according to running car
Condition or driver drives vehicle custom realize the Automatic adjusument of effectiveness in vibration suppression, so as to reach the most comfortable driving condition.Bottom valve is can
Vitals in tune damping shock absorber, its quality good or not directly affect the effectiveness in vibration suppression of whole vibroshock, or even affect whole
The stationarity of individual car body traveling and safety.
Existing shock absorber bottom valve structure mainly has：CN101982269A discloses a kind of shock absorber bottom valve, and it includes bottom
Valve seat, choke valve, backflow stage clip, backflow valve block, screw rod and nut etc., foot valve seat is connected firmly one with vibroshock inner cylinder tube is seamless
Rise, backflow valve block and backflow stage clip pass through screw rod and nut installed in the inner side of the foot valve seat；CN2736598Y discloses one kind
For the bottom valve assembly of ride-control, including foot valve seat, check valve sheet, check valve sheet spring, foot valve seat screw rod, bottom core valve,
Adjusting screw, bottom valve spring, oblate nut.These devices respectively have advantage, solve in esse problem to a certain extent.
But investigation finds, these bottom valve assemblies have a disadvantage that：Valve structure form is complicated, and service life is shorter；Spring long-time
Use, easily fail；Although threaded connection can adjust the rate of tension of valve block and valve seat, easily loosen, take bottom valve space, and matter
Amount is difficult to check；Foot valve seat is seamless with vibroshock inner cylinder tube to be connected firmly, and vibroshock fluid cannot here circulation.
The content of the invention
Complicated for valve structure form present in prior art, service life is shorter；Spring long-time is used, easily
Failure；Although threaded connection can adjust the rate of tension of valve block and valve seat, easily loosen, take bottom valve space, and quality is difficult inspection
Look into；Foot valve seat is seamless with vibroshock inner cylinder tube to be connected firmly, and vibroshock fluid cannot here circulation；The present invention provides a kind of for adjustable
The bottom valve assembly of damping shock absorber.
The present invention is achieved through the following technical solutions：
A kind of bottom valve assembly for adaptive transmission control, bottom valve assembly include valve seat, rivet, compensator valve plate and compression
Valve block；The valve seat is U-shaped structure；Round tube hole f is offered on the table top of the valve seat center, on the inside of valve seat and along round tube hole
The cylindrical circumferencial direction of f staggeredly offers several throttle orifice a with several throttle orifice b；Benefit is provided with the round tube hole f upper surfaces
Valve block is repaid, and compensator valve plate covers all throttle orifice a upper inlets；Compression valve block is provided with the round tube hole f lower surfaces,
And compression valve block covers all side entrance under throttle orifice b；The rivet from top to bottom through round tube hole f cause compensator valve plate and
Compression valve block is fixed；Stamped groove c for distributing alternately is provided with along the cylindrical circumferential direction of valve seat further with oil groove d excessively, the punching press
Groove c is fixedly connected with inner cylinder tube by punching press.
Further, the oil groove d that crosses is used for the circulation of vibroshock fluid between inner cylinder tube and outer cylinder.
Further, the stamped groove c quantity is 4 or 5.
Further, the oil groove d quantity of crossing is 4 or 5.
Further, the maximum radial for stating valve seat diametrically offers annular groove e.
Further, sealing ring B is installed on the annular groove e.
Further, the throttle orifice a is generally circular in shape with throttle orifice b or square.
Further, the throttle orifice a and throttle orifice b quantity are 2 or 3.
Further, the compensator valve plate and compression valve plate shape are 0.3mm or 0.4mm for circular, thickness.
The invention has the beneficial effects as follows：
(1) the bottom valve assembly structure is novel, and bottom valve valve seat can be made to be fixedly connected with vibroshock inner cylinder tube, vibration damping can be made again
Outer cylinder shock absorber oil liquid circulation in device.
(2) compensator valve plate and compression valve plate shape are circular or the thin slice of other shapes, simple structure, easy seriation
Production, long service life.
(3) rivet replaces screw rod, nut, and valve block is fixedly connected with valve seat, and occupancy bottom valve space is little, and valve block deformation is little,
Fatigue behaviour when bearing dynamic load is good, connects simple and reliable, it is not easy to occur coming off and loosening.
Description of the drawings
Fig. 1 is that one kind of the present invention cuts open schematic diagram for 135 ° for the rotation of adaptive transmission control bottom valve assembly；
Fig. 2 is that one kind of the present invention is used for adaptive transmission control bottom valve valve seat upward view；
Fig. 3 is a kind of sectional view for adaptive transmission control bottom valve valve seat upward view A-A faces of the present invention；
Fig. 4 is a kind of sectional view for adaptive transmission control bottom valve valve seat upward view B-B faces of the present invention；
Fig. 5 is that one kind of the present invention is used for adaptive transmission control bottom valve valve seat front view；
Fig. 6 is that one kind of the present invention is used for adaptive transmission control bottom valve valve seat top view；
Fig. 7 is a kind of adaptive transmission control compression condition schematic diagram；
Fig. 8 is that a kind of adaptive transmission control restores operating mode schematic diagram.
Wherein：1- damper pistons, 2-- inner cylinder tubes, 3- outer cylinders, 4- sealing ring A, 5- bottom valve assemblies, 6- sealing ring B,
7- floating pistons, 8- damping regulating valves, 501- valve seats, 502- rivets, 503- compensator valve plates, 504- compression valve blocks, 505- throttlings
Hole a, 506- throttle orifice b, 507- stamped grooves c, 508- cross oil groove d, 509- seal groove e, 510- round tube hole f.
Specific embodiment
It is that the present invention is further understood, 1 to 8 the invention will be further described below in conjunction with the accompanying drawings：
A kind of bottom valve assembly for adaptive transmission control, bottom valve assembly 5 include valve seat 501, rivet 502, recuperation valve
Piece 503 and compression valve block 504；The valve seat 501 is U-shaped structure；Round tube hole is offered on the table top of 501 center of the valve seat
F510, the cylindrical circumferencial direction on the inside of valve seat 501 and along round tube hole f510 staggeredly offer several throttle orifice a505 and several sections
Discharge orifice b506；Compensator valve plate 503 is provided with the round tube hole f510 upper surfaces, and compensator valve plate 503 covers all throttling
Hole a505 upper inlets；Compression valve block 504 is provided with the round tube hole f510 lower surfaces, and compresses valve block 504 and be completely covered
Firmly side entrance under throttle orifice b506；The rivet 502 from top to bottom causes compensator valve plate 503 and compression valve through round tube hole f510
Piece 504 is fixed；Stamped groove c507 and oil groove d508 excessively for distributing alternately is provided with along 501 cylindrical circumferential direction of valve seat.
Wherein, stamped groove c507 is fixedly connected with inner cylinder tube 2 by punching press.The oil groove d508 that crosses is used for inner cylinder tube
The circulation of vibroshock fluid between 2 and outer cylinder 3.The stamped groove c507 quantity is 4 or 5.It is described to cross oil groove d508 numbers
Measure as 4 or 5.The maximum radial of the valve seat 501 diametrically offers annular groove e509.The annular groove e509
Upper installation sealing ring B6.The throttle orifice a505 is generally circular in shape with throttle orifice b506 or square.The throttle orifice a505 with
Throttle orifice b506 quantity is 2 or 3.The compensator valve plate 503 and compression valve block 504 are shaped as annular shape, thickness and are
0.3mm or 0.4mm.
With reference to Fig. 1 to 6 be the present invention a kind of bottom valve assembly structure schematic diagram for adaptive transmission control, the device
Including valve seat 501, rivet 502, compensator valve plate 503 and compression valve block 504, with rivet 502 by compensator valve plate 503,501 and of valve seat
Compression valve block 504 is superimposed in turn and fixed to together, and forms it into tight fit；Be provided with valve seat 501 square throttle orifice a505 with
Circular orifice b506, is along the circumferential direction uniformly provided with alternate stamped groove c507 and crosses oil groove d508, inner cylinder tube on valve seat 501
2 inwall punching presses cause valve seat 501 to be fixed together with inner cylinder tube 3 in stamped groove c507, non-punch-out and excessively oil groove d508
It is corresponding, realize the circulation of vibroshock fluid between inner cylinder tube 2 and outer cylinder 3.
With reference to Fig. 7, Fig. 1, under shock absorbers compression operating mode, damper piston 1 is moved down, and in 2 compression chamber of inner cylinder tube, a part subtracts
The damping hole that the device fluid that shakes is directly on damper piston 1 flows into recovery chamber, and a part of vibroshock fluid is through circular throttling
Hole b506 washes compression valve block 504 open and flows into compensated cavity, and the increase of compensated cavity inner fluid pressure, floating piston 7 are moved down, now square section
Discharge orifice a505 is covered by compensator valve plate 503, and vibroshock fluid can not pass through square throttle orifice a505, a part of vibroshock fluid Jing
Cross, outer cylinder 3, damping regulating valve 8 are flowed in 2 recovery chamber of inner cylinder tube.
With reference to Fig. 8, Fig. 1, under absorber operating mode, move on damper piston 1, in 2 recovery chamber of inner cylinder tube, a part subtracts
The damping hole that the device fluid that shakes is directly on damper piston 1 flows into compression chamber, and a part of vibroshock fluid is adjusted through damping
Valve 8, crosses oil groove d508 and flows in 2 compression chamber of inner cylinder tube on outer cylinder 3, valve seat 501, vibroshock fluid classical prescription shape section in compensated cavity
Discharge orifice a505 washes compensator valve plate 503 open and flows in 2 compression chamber of inner cylinder tube, and in compensated cavity, oil liquid pressure reduces, on floating piston 7
Move, now circular orifice b506 is compressed valve block 504 and covered, and vibroshock fluid can not pass through circular orifice b506.
The embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of the flesh and blood of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (10)
1. a kind of bottom valve assembly for adaptive transmission control, it is characterised in that bottom valve assembly (5) includes valve seat (501), riveting
Nail (502), compensator valve plate (503) and compression valve block (504)；The valve seat (501) is U-shaped structure；Valve seat (501) center
Round tube hole f (510) is offered on the table top at place, the cylindrical circumferencial direction on the inside of valve seat (501) and along round tube hole f (510) interlocks
Several throttle orifice a (505) are offered with several throttle orifice b (506)；Recuperation valve is provided with round tube hole f (510) upper surface
Piece (503), and compensator valve plate (503) covers all throttle orifice a (505) upper inlet；Round tube hole f (510) lower surface
On be provided with compression valve block (504), and compress valve block (504) cover all side entrance under throttle orifice b (506)；The rivet
(502) from top to bottom cause compensator valve plate (503) and compression valve block (504) fixed through round tube hole f (510)；Along valve seat (501)
Cylindrical circumferential direction is provided with stamped groove c (507) and oil groove d (508) excessively for distributing alternately.
2. the bottom valve assembly for adaptive transmission control according to claim 1, it is characterised in that stamped groove c
(507) it is fixedly connected with inner cylinder tube (2) by punching press.
3. the bottom valve assembly for adaptive transmission control according to claim 1, it is characterised in that described to cross oil groove d
(508) for the circulation of vibroshock fluid between inner cylinder tube (2) and outer cylinder (3).
4. the bottom valve assembly for adaptive transmission control according to any one of claim 1 to 2, it is characterised in that institute
Stamped groove c (507) quantity is stated for 4 or 5.
5. the bottom valve assembly for adaptive transmission control according to claim 1 or 3 any one, it is characterised in that
Oil groove d (508) quantity of crossing is 4 or 5.
6. the bottom valve assembly for adaptive transmission control according to claim 1, it is characterised in that the valve seat
(501) maximum radial diametrically offers annular groove e (509).
7. the bottom valve assembly for adaptive transmission control according to claim 6, it is characterised in that the annular groove
Sealing ring B (6) is installed on e (509).
8. a kind of bottom valve assembly for adaptive transmission control according to claim 1, it is characterised in that the throttling
Hole a (505) and throttle orifice b (506) is generally circular in shape or square.
9. a kind of bottom valve assembly for adaptive transmission control according to claim 8, it is characterised in that the throttling
Hole a (505) is 2 or 3 with throttle orifice b (506) quantity.
10. the bottom valve assembly for adaptive transmission control according to claims 1 to 3 or 6 to 9 any one, which is special
Levy and be, the compensator valve plate (503) and compression valve block (504) are shaped as annular shape, thickness for 0.3mm or 0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187839.6A CN106678249A (en) | 2016-12-20 | 2016-12-20 | Bottom valve assembly for adjustable damping vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187839.6A CN106678249A (en) | 2016-12-20 | 2016-12-20 | Bottom valve assembly for adjustable damping vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678249A true CN106678249A (en) | 2017-05-17 |
Family
ID=58871179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611187839.6A Pending CN106678249A (en) | 2016-12-20 | 2016-12-20 | Bottom valve assembly for adjustable damping vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678249A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE841102C (en) * | 1949-11-17 | 1952-06-13 | Patent Dev Company | Hydraulic telescopic shock absorber with compensation chamber, especially for motor vehicles |
| KR20040014739A (en) * | 2002-08-10 | 2004-02-18 | 대우정밀 주식회사 | Base valve assembly of shock absober for auto mobile |
| CN201396392Y (en) * | 2009-04-23 | 2010-02-03 | 上海萧凯减震器有限公司 | Bottom valve of shock absorber |
| CN103542033A (en) * | 2013-11-04 | 2014-01-29 | 四川川南减震器集团有限公司 | Single drum shock absorber |
| CN103603912A (en) * | 2013-11-26 | 2014-02-26 | 江苏理工学院 | Piezoelectric driving type damping continuous adjustable shock absorber |
| CN205078678U (en) * | 2015-10-28 | 2016-03-09 | 浙江万向马瑞利减震器有限公司 | Bumper shock absorber riveting assembly compression valve structure |
| CN205173346U (en) * | 2015-10-21 | 2016-04-20 | 张家港市丰乐汽车设备有限公司 | Hydraulic shock absorber's valve body assembly |
| CN205479095U (en) * | 2016-01-13 | 2016-08-17 | 成都九鼎科技(集团)有限公司 | Shock absorber valve system |
| CN205780528U (en) * | 2016-07-07 | 2016-12-07 | 青岛浩釜铭车辆科技有限公司 | A kind of high accuracy stepless adjustable damper valve of built-in oil-pressure damper |
-
2016
- 2016-12-20 CN CN201611187839.6A patent/CN106678249A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE841102C (en) * | 1949-11-17 | 1952-06-13 | Patent Dev Company | Hydraulic telescopic shock absorber with compensation chamber, especially for motor vehicles |
| KR20040014739A (en) * | 2002-08-10 | 2004-02-18 | 대우정밀 주식회사 | Base valve assembly of shock absober for auto mobile |
| KR100465768B1 (en) * | 2002-08-10 | 2005-01-13 | 대우정밀 주식회사 | Base valve assembly of shock absober for auto mobile |
| CN201396392Y (en) * | 2009-04-23 | 2010-02-03 | 上海萧凯减震器有限公司 | Bottom valve of shock absorber |
| CN103542033A (en) * | 2013-11-04 | 2014-01-29 | 四川川南减震器集团有限公司 | Single drum shock absorber |
| CN103603912A (en) * | 2013-11-26 | 2014-02-26 | 江苏理工学院 | Piezoelectric driving type damping continuous adjustable shock absorber |
| CN205173346U (en) * | 2015-10-21 | 2016-04-20 | 张家港市丰乐汽车设备有限公司 | Hydraulic shock absorber's valve body assembly |
| CN205078678U (en) * | 2015-10-28 | 2016-03-09 | 浙江万向马瑞利减震器有限公司 | Bumper shock absorber riveting assembly compression valve structure |
| CN205479095U (en) * | 2016-01-13 | 2016-08-17 | 成都九鼎科技(集团)有限公司 | Shock absorber valve system |
| CN205780528U (en) * | 2016-07-07 | 2016-12-07 | 青岛浩釜铭车辆科技有限公司 | A kind of high accuracy stepless adjustable damper valve of built-in oil-pressure damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
|
| RJ01 | Rejection of invention patent application after publication |