CN106678249A - Bottom valve assembly for adjustable damping vibration absorber - Google Patents

Bottom valve assembly for adjustable damping vibration absorber Download PDF

Info

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
Authority
CN
China
Prior art keywords
valve
transmission control
valve assembly
vibration absorber
compression
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.)
Pending
Application number
CN201611187839.6A
Other languages
Chinese (zh)
Inventor
谢方伟
孙奇
王存堂
张波
宣芮
张凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201611187839.6A priority Critical patent/CN106678249A/en
Publication of CN106678249A publication Critical patent/CN106678249A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages

Landscapes

  • 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

A kind of bottom valve assembly for adaptive transmission control
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.
CN201611187839.6A 2016-12-20 2016-12-20 Bottom valve assembly for adjustable damping vibration absorber Pending CN106678249A (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US8978845B2 (en) Frequency/pressure sensitive shock absorber
CN103277447B (en) Nested check high speed valve
US9086111B2 (en) Valve assembly of shock absorber
JP5680591B2 (en) Shock absorber valve structure
US9261160B2 (en) Piston valve of shock absorber
CN102102730A (en) Asymmetrical intake damper valve
EP2584215A1 (en) Hydraulic damper
CN101903678A (en) Shock absorber with dual piston
US9695901B2 (en) Gas spring system
KR101389284B1 (en) Shock Absorber Dirt Shield
CN100412406C (en) Adjacent baffle design for shock absorber
US7172057B2 (en) Vibration damper with amplitude-dependent damping force
RU2628841C2 (en) Device for sealing air suspension system
EP2128484A1 (en) A hydraulic damper with an additional chamber assembly and a method of adjusting a damping characteristic of such a damper
EP0791764A2 (en) Monotube damper valve
CN100494728C (en) Heavy duty base valve
CN106678249A (en) Bottom valve assembly for adjustable damping vibration absorber
US20030015382A1 (en) Hydraulic rebound cut-off for monotube damper
RU194004U1 (en) Two-pipe hydropneumatic shock absorber
RU2319620C1 (en) Vehicle suspension pneumohydraulic spring
CN109667876B (en) Oil pressure shock absorber piston and oil pressure shock absorber
KR20120083622A (en) Valve structure of shock absorber
RU49148U1 (en) HYDRAULIC SHOCK ABSORBER
CN114352672B (en) Stroke-related variable damping transverse oil pressure shock absorber and design method thereof
CN214367454U (en) Novel piston assembly

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