CN105020317A - Telescopic shock absorber - Google Patents

Telescopic shock absorber Download PDF

Info

Publication number
CN105020317A
CN105020317A CN201510438833.0A CN201510438833A CN105020317A CN 105020317 A CN105020317 A CN 105020317A CN 201510438833 A CN201510438833 A CN 201510438833A CN 105020317 A CN105020317 A CN 105020317A
Authority
CN
China
Prior art keywords
rod
valve
shock absorber
groove
piston
Prior art date
Application number
CN201510438833.0A
Other languages
Chinese (zh)
Other versions
CN105020317B (en
Inventor
张朝晖
吴世格
余磊宏
肖洪彬
Original Assignee
瑞安市朝日汽车部件有限公司
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 瑞安市朝日汽车部件有限公司 filed Critical 瑞安市朝日汽车部件有限公司
Priority to CN201510438833.0A priority Critical patent/CN105020317B/en
Publication of CN105020317A publication Critical patent/CN105020317A/en
Application granted granted Critical
Publication of CN105020317B publication Critical patent/CN105020317B/en

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
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • 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
    • F16F9/3207Constructional features
    • 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
    • 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
    • F16F2222/00Special physical effects, e.g. nature of damping effects
    • F16F2222/12Fluid damping

Abstract

The invention discloses a telescopic shock absorber. The telescopic shock absorber comprises a sleeve and a piston rod. A piston and a cushion valve are arranged at one end of the piston rod, and the other end of the piston rod is connected with an installation base. The cushion valve comprises a pedestal, a valve base, an elastic part and a valve plate. The valve base is connected with the pedestal. The elastic part and the valve plate are installed between the pedestal and the valve base. The valve base is provided with a circulation hole. The elastic part squeezes the valve plate so that the valve plate can be in seal fit with the circulation hole. The elastic part is an annular elastic sheet. The annular elastic sheet is provided with claw plates distributed at intervals. The claw plates make contact with the valve plate. The piston rod comprises a rod body and an insertion rod. The rod body is provided with a central blind hole. The bottom of the central blind hole is connected with a threaded hole. The insertion rod is inserted in the central blind hole and is in locating fit with the central blind hole through threaded connection. The insertion rod and the rod body are fixed through welding. The telescopic shock absorber has the advantages of being firm in structure, good in sealing effect, high in concentricity, safe and reliable.

Description

Telescopic shock absorber

Technical field

The present invention relates to vibration damper technical field, especially a kind of telescopic shock absorber.

Background technique

Vehicle is when rough ride, and the piston rod in vibration damper constantly does fore and aft motion in cylinder body, and the damping oil in cylinder body constantly flows back and forth, cushion impact forces, slows down degree of jolting and plays cushioning effect, increases the stationarity that vehicle travels.

Telescopic shock absorber generally includes cylindrical shell, the piston rod with hydraulic pressure cavity, one end of piston rod is connected with fitting seat, the piston rod the other end stretches into cylindrical shell and is arranged with piston assembly, piston assembly comprises piston, and piston is provided with trimmer valve, and this trimmer valve comprises valve seat, base, valve block and spring, floor installation is on valve seat, valve block is arranged on base, and valve seat has valve opening, and spring fitting is between valve block and valve seat.Because spring of the prior art adopts helical spring usually, because the precision difficulty of spring is held, stability is not good, the easy deformation failure of spring, the defect such as cause the seal failure of vibration damper, life-span short.Secondly, the top of piston rod inserting end, in its process moved back and forth vertically, can produce with sleeve bottom surface and collide, and causes piston rod inserting end vertex abrasion serious, causes piston assembly to seal uneven, cause the defect of sealing effect difference.Moreover above-mentioned piston rod is provided with oil sealing and guider near one end of fitting seat, because this oil seal lip place is easily out of shape, causes seal failure or cause the phenomenons such as leakage of oil; The connecting end outer circumferential face of piston rod is provided with L shape step surface, fitting seat abuts with this L shape step surface and forms plane-plane contact, but because these two surface of contact are in mutual vertical relation, after the connecting end of piston rod to be threaded with fitting seat and to put in place, can be limited it axially displaced, but due to the surface of contact between fitting seat and L shape step surface can only be spacing in the axial direction, cannot carry out spacing to its gap on radial end face, in use for some time, the potential safety hazard that piston rod is deviate from can still be there is.The insertion rod that above-mentioned piston rod generally includes the body of rod and inserts in fitting seat, insertion rod is welded in rod end usually, but because welding operation has error unavoidably, be difficult to the concentricity ensureing insertion rod and the body of rod, cause vibration damper job insecurity, cause piston rod to occur the problem that early fatigue fracture lost efficacy; In addition, piston rod stretches into the top of the one end in sleeve in its process moved back and forth vertically, can produce with sleeve bottom surface and collide, cause piston rod inserting end vertex abrasion serious, cause piston assembly to seal uneven, cause the defect of sealing effect difference, and sleeve bottom surface is provided with bottom valve, because the shock-absorbing cushioning effect of sleeve bottom surface is poor, in the process of clashing into, bottom valve also can be damaged, and reduces working life.

Summary of the invention

In order to overcome the deficiencies in the prior art, the invention provides a kind of sound construction, good sealing effect, good concentricity and safe and reliable telescopic shock absorber.

To achieve these goals, the technical solution used in the present invention is: a kind of telescopic shock absorber, comprise sleeve and piston rod, piston rod one end is stretched into relative with sleeve bottom in sleeve and is provided with piston assembly, the piston rod the other end is connected with fitting seat, piston assembly comprises piston, piston is provided with trimmer valve, trimmer valve comprises base, valve seat, elastic component and valve block, valve seat is connected with base, elastic component and valve block are arranged between base and valve seat, valve seat is provided with opening, elastic member presses valve block and valve block and opening is sealed and matched, piston rod comprises the body of rod, the body of rod is connected with insertion rod towards one end of fitting seat, fitting seat is provided with center hole, insertion rod inserts the center hole of fitting seat, it is characterized in that: described elastic component is annular shell fragment, this annular shell fragment is provided with calvus spaced apart, calvus contacts with valve block, annular shell fragment is provided with boss towards one end of base, this boss is provided with center hole, this center hole extends to annular shell fragment, the described body of rod offers central blind hole towards the end face of insertion rod, tapped hole is provided with bottom this central blind hole, insertion rod one end stretch into body of rod central blind hole and with tapped hole screw thread location fit, this insertion rod outer wall and central blind hole opening end are by being welded and fixed.

In said structure, this elastic component is sheet structure, annular shell fragment is provided with boss, this boss end and base contacts, then being formed between base and annular shell fragment can for the space of calvus generation deformation, calvus is that warp architecture is arranged, the bending direction of this calvus is contrary with the setting direction of boss, calvus is bending towards valve seat direction, valve seat, valve block and annular shell fragment and base are all set in piston rod end, opening is separately positioned on the both sides of valve seat mounting hole, and the calvus free end of annular shell fragment abuts valve block and makes to be formed between valve block and opening to be sealed and matched; Above-mentioned insertion rod is corresponding by forming preliminary center with the body of rod in the central blind hole of the insertion body of rod, behind screw-thread fit location, carry out welding operation again, the concentricity that both guarantees connect is not by the impact of welding procedure, improve its structure stability, overcome because concentricity is not high and occur the problem that piston rod fatigue fracture was lost efficacy.

As the further setting of the present invention, described calvus is crossing in tilting with annular shell fragment, and described calvus edge is extended with flanging, and calvus width is reduced to free end gradually by connecting end.

In said structure, the connecting end width of calvus is greater than free end width, makes this free end have good elastic-restoring force.

As the further setting of the present invention, described valve block is provided with the equally distributed groove in interval towards one end of elastic component, and described flanging is arranged in this groove and abuts with groove inner wall.

In said structure, the groove on this valve block is half elliptic structure, and this flanging is arranged in groove, forms stable contact and coordinates, play anti-skidding, the effect of anti-displacement.

As the further setting of the present invention, the both sides sidewall of described flanging has convex arc edge, and this convex arc edge and groove both sides inwall are formed and closely cooperate.

In said structure, these flanging both sides extrude to be formed by convex globoidal and groove inner wall and coordinate closely, increase linkage structure soundness.

As the further setting of the present invention, described tapped hole bottom surface is provided with centralized positioning salient point, and insertion rod one end stretched in the body of rod is provided with the positioning groove coordinated with centralized positioning salient point.

In said structure, the positioning convex point bottom this tapped hole coordinates with the positioning groove of Inserting Tube and realizes further locating effect.

As the further setting of the present invention, described positioning groove is indent arcuate structure, and described centralized positioning salient point is frustum structure, and the top of this frustum structure is the convex globoidal with positioning groove adaptation.

In said structure, the top of this centralized positioning salient point can be tapered structure, can be also thimble structure, preferably convex globoidal, form the very little location fit in gap with positioning groove inwall, improves concentricity.

As the further setting of the present invention, described body of rod outer circumferential face is provided with circular groove, coating is filled with in this circular groove, coating thickness is annular groove depth twice, this rod end is extended with Rotary-table towards insertion rod one end, one end diameter that this Rotary-table is connected with the body of rod and the isometrical setting of the body of rod, First terrace is formed between the coating of this Rotary-table and body of rod outer wall, second step face is formed, by the sloped sidewall transition and linkage of Rotary-table between this First terrace and second step face between this Rotary-table and insertion rod outer wall.

In said structure, this body of rod outer circumferential face has been coated with PMA coating, improve compactness and the slickness of body of rod outer circumferential face, reduce the fretting wear of piston rod in axial reciprocating moving process and between sleeve, and the first step formed between this coating and Rotary-table is in the face of there being axial limiting effect between the body of rod and fitting seat, eliminate axial clearance, the sloped sidewall of second step face and Rotary-table then eliminates radial clearance between the two, improve radial bearing load ability, extend its working life.

Below in conjunction with accompanying drawing, the invention will be further described.

Accompanying drawing explanation

Accompanying drawing 1 is specific embodiment of the invention structural representation;

Accompanying drawing 2 is the mounting structure schematic diagram of specific embodiment of the invention piston rod and piston assembly;

Accompanying drawing 3 is the mounting structure schematic diagram of specific embodiment of the invention annular shell fragment and valve block;

Accompanying drawing 4 is the structural representation of specific embodiment of the invention annular shell fragment;

Accompanying drawing 5 is the structural representation of specific embodiment of the invention valve block;

Accompanying drawing 6 is the structural representation of specific embodiment of the invention annular shell fragment with convex arc edge;

Accompanying drawing 7 is the structure sectional view of specific embodiment of the invention annular shell fragment;

Accompanying drawing 8 is the piston rod of vibration damper in prior art and the linkage structure schematic diagram of fitting seat;

Accompanying drawing 9 is the linkage structure schematic diagram that the present invention specifically implements piston rod and fitting seat;

Accompanying drawing 10 is the body of rod of specific embodiment of the invention piston rod and the linkage structure schematic diagram of insertion rod;

Accompanying drawing 11 is the cooperating structure schematic diagram of specific embodiment of the invention fitting seat and insertion rod;

Accompanying drawing 12 is the enlarged view of A in specific embodiment of the invention accompanying drawing 10;

Accompanying drawing 13 is the enlarged view of B in specific embodiment of the invention accompanying drawing 10; Sleeve 1, piston rod 2, the body of rod 21, central blind hole 211, tapped hole 212, centralized positioning salient point 213, circular groove 214, Rotary-table 22, sloped sidewall 221, insertion rod 23, First terrace 241, second step face 242, coating 25, fitting seat 3, piston assembly 4, base 41, valve seat 42, opening 421, annular shell fragment 5, calvus 51, flanging 52, convex arc edge 521, boss 53, valve block 6, groove 61.

Embodiment

Specific embodiments of the invention are telescopic shock absorber as shown in figures 1-13, comprise sleeve 1 and piston rod 2, piston rod 2 one end is stretched into relative with bottom sleeve 1 in sleeve 1 and is provided with piston assembly 4, piston rod 2 the other end is connected with fitting seat 3, piston assembly 4 comprises piston, piston is provided with trimmer valve, trimmer valve comprises base 41, valve seat 42, elastic component and valve block 6, valve seat 42 is connected with base 41, elastic component and valve block 6 are arranged between base 41 and valve seat 42, valve seat 42 is provided with opening 421, elastic member presses valve block 6 and valve block 6 and opening 421 is sealed and matched, piston rod 2 comprises the body of rod 21, the body of rod 21 is connected with insertion rod 23 towards one end of fitting seat 3, fitting seat 3 is provided with center hole, insertion rod 23 inserts the center hole of fitting seat 3, elastic component is annular shell fragment 5, this annular shell fragment 5 is provided with calvus 51 spaced apart, calvus 51 contacts with valve block 6, annular shell fragment 5 is provided with boss 53 towards one end of base 41, this boss 53 is provided with center hole, this center hole extends to annular shell fragment 5, the body of rod 21 offers central blind hole 211 towards the end face of insertion rod 23, tapped hole 212 is provided with bottom this central blind hole 211, insertion rod 23 one end stretch into the body of rod 21 central blind hole 211 and with tapped hole 212 screw thread location fit, this insertion rod 23 outer wall and central blind hole 211 opening end are by being welded and fixed.

Above-mentioned elastic component is sheet structure, annular shell fragment 5 is provided with boss 53, this boss 53 end contacts with base 41, the space that deformation can occur for calvus 51 is then formed between base 41 and annular shell fragment 5, calvus 51 is arranged in warp architecture, the bending direction of this calvus 51 is contrary with the setting direction of boss 53, calvus 51 is bending towards valve seat 42 direction, valve seat 42, valve block 6 and annular shell fragment 5 and base 41 are all set in piston rod 2 end, opening 421 is separately positioned on the both sides of valve seat 42 mounting hole, calvus 51 free end of annular shell fragment 5 abuts valve block 6 and makes to be formed between valve block 6 and opening 421 to be sealed and matched, above-mentioned insertion rod 23 is corresponding by forming preliminary center with the body of rod 21 in the central blind hole 211 of insertion rod 23 body 21, behind screw-thread fit location, carry out welding operation again, the concentricity that both guarantees connect is not by the impact of welding procedure, improve its structure stability, overcome because concentricity is not high and occur the problem that piston rod 2 fatigue fracture was lost efficacy.

Above-mentioned calvus 51 is crossing in tilting with annular shell fragment 5, and calvus 51 edge is extended with flanging 52, and calvus 51 width is reduced to free end gradually by connecting end.The connecting end width of calvus 51 is greater than free end width, makes this free end have good elastic-restoring force.

Above-mentioned valve block 6 is provided with the equally distributed groove 61 in interval towards one end of elastic component, and flanging 52 is arranged in this groove 61 and abuts with groove 61 inwall.Groove 61 on this valve block 6 is in half elliptic structure, and this flanging 52 is arranged in groove 61, forms stable contact and coordinates, play anti-skidding, the effect of anti-displacement.

The both sides sidewall of above-mentioned flanging 52 has convex arc edge 521, and this convex arc edge 521 is formed with groove 61 both sides inwall and closely cooperates.These flanging 52 both sides extrude to be formed with groove 61 inwall by convex globoidal and coordinate closely, increase linkage structure soundness.

Above-mentioned tapped hole 212 bottom surface is provided with centralized positioning salient point 213, and insertion rod 23 one end stretched in the body of rod 21 is provided with the positioning groove 61 coordinated with centralized positioning salient point 213.Positioning convex point bottom this tapped hole 212 coordinates with the positioning groove 61 of Inserting Tube and realizes further locating effect.

Above-mentioned positioning groove 61 is in indent arcuate structure, and centralized positioning salient point 213 is in frustum structure, and the top of this frustum structure is the convex globoidal with positioning groove 61 adaptation.The top of this centralized positioning salient point 213 can be tapered structure, can be also thimble structure, preferably convex globoidal, form the very little location fit in gap with positioning groove 61 inwall, improves concentricity.

The above-mentioned body of rod 21 outer circumferential face is provided with circular groove 214, coating 25 is filled with in this circular groove 214, coating 25 thickness is circular groove 214 degree of depth twice, this body of rod 21 end is extended with Rotary-table 22 towards insertion rod 23 one end, one end diameter that this Rotary-table 22 is connected with the body of rod 21 and the isometrical setting of the body of rod 21, First terrace 241 is formed between the coating 25 of this Rotary-table 22 and the body of rod 21 outer wall, second step face 242 is formed between this Rotary-table 22 and insertion rod 23 outer wall, by sloped sidewall 221 transition and linkage of Rotary-table 22 between this First terrace 241 and second step face 242.

The above-mentioned body of rod 21 outer circumferential face has been coated with PMA coating 25, improve compactness and the slickness of the body of rod 21 outer circumferential face, reduce the fretting wear of piston rod 2 in axial reciprocating moving process and between sleeve 1, and between the First terrace 241 pairs of bodies of rod 21 formed between this coating 25 and Rotary-table 22 and fitting seat 3, have axial limiting effect, eliminate axial clearance, second step face 242 then eliminates radial clearance between the two with the sloped sidewall 221 of Rotary-table 22, improve radial bearing load ability, extend its working life.

The present invention is not limited to above-mentioned embodiment; persons skilled in the art are according to content disclosed by the invention; other multiple embodiments can be adopted to implement of the present invention; or every employing project organization of the present invention and thinking; do simple change or change, all fall into protection scope of the present invention.

Claims (7)

1. a telescopic shock absorber, comprise sleeve and piston rod, piston rod one end is stretched into relative with sleeve bottom in sleeve and is provided with piston assembly, the piston rod the other end is connected with fitting seat, piston assembly comprises piston, piston is provided with trimmer valve, trimmer valve comprises base, valve seat, elastic component and valve block, valve seat is connected with base, elastic component and valve block are arranged between base and valve seat, valve seat is provided with opening, elastic member presses valve block and valve block and opening is sealed and matched, piston rod comprises the body of rod, the body of rod is connected with insertion rod towards one end of fitting seat, fitting seat is provided with center hole, insertion rod inserts the center hole of fitting seat, it is characterized in that: described elastic component is annular shell fragment, this annular shell fragment is provided with calvus spaced apart, calvus contacts with valve block, annular shell fragment is provided with boss towards one end of base, this boss is provided with center hole, this center hole extends to annular shell fragment, the described body of rod offers central blind hole towards the end face of insertion rod, tapped hole is provided with bottom this central blind hole, insertion rod one end stretch into body of rod central blind hole and with tapped hole screw thread location fit, this insertion rod outer wall and central blind hole opening end are by being welded and fixed.
2. telescopic shock absorber according to claim 1, is characterized in that: described calvus is crossing in tilting with annular shell fragment, and described calvus edge is extended with flanging, and calvus width is reduced to free end gradually by connecting end.
3. telescopic shock absorber according to claim 1, is characterized in that: described valve block is provided with the equally distributed groove in interval towards one end of elastic component, and described flanging is arranged in this groove and abuts with groove inner wall.
4. telescopic shock absorber according to claim 3, is characterized in that: the both sides sidewall of described flanging has convex arc edge, and this convex arc edge and groove both sides inwall are formed and closely cooperate.
5. telescopic shock absorber according to claim 1, is characterized in that: described tapped hole bottom surface is provided with centralized positioning salient point, and insertion rod one end stretched in the body of rod is provided with the positioning groove coordinated with centralized positioning salient point.
6. telescopic shock absorber according to claim 5, is characterized in that: described positioning groove is indent arcuate structure, and described centralized positioning salient point is frustum structure, and the top of this frustum structure is the convex globoidal with positioning groove adaptation.
7. the telescopic shock absorber according to claim 1-6 any one, it is characterized in that: described body of rod outer circumferential face is provided with circular groove, coating is filled with in this circular groove, coating thickness is annular groove depth twice, this rod end is extended with Rotary-table towards insertion rod one end, one end diameter that this Rotary-table is connected with the body of rod and the isometrical setting of the body of rod, First terrace is formed between the coating of this Rotary-table and body of rod outer wall, second step face is formed between this Rotary-table and insertion rod outer wall, by the sloped sidewall transition and linkage of Rotary-table between this First terrace and second step face.
CN201510438833.0A 2015-07-23 2015-07-23 Telescopic shock absorber CN105020317B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510438833.0A CN105020317B (en) 2015-07-23 2015-07-23 Telescopic shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510438833.0A CN105020317B (en) 2015-07-23 2015-07-23 Telescopic shock absorber

Publications (2)

Publication Number Publication Date
CN105020317A true CN105020317A (en) 2015-11-04
CN105020317B CN105020317B (en) 2017-11-17

Family

ID=54410523

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510438833.0A CN105020317B (en) 2015-07-23 2015-07-23 Telescopic shock absorber

Country Status (1)

Country Link
CN (1) CN105020317B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106870618A (en) * 2017-03-27 2017-06-20 苏州市顺仪五金有限公司 A kind of buffer connecting rods
CN108644293A (en) * 2018-06-01 2018-10-12 安徽知之信息科技有限公司 A kind of new-energy automobile shock absorption buffering mechanism
CN108779827A (en) * 2016-03-23 2018-11-09 不二乳胶株式会社 Damper

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009170A (en) * 1998-06-23 2000-01-11 Tokico Ltd Hydraulic shock absorber
CN2413087Y (en) * 1999-04-23 2001-01-03 淅川汽车配件厂 Vibration-damper with fastening edge
CN2625179Y (en) * 2003-06-18 2004-07-14 万向钱潮股份有限公司 Rear shock-absorber for sedan
CN200940656Y (en) * 2006-06-15 2007-08-29 万向钱潮股份有限公司 Compression valve
CN202007854U (en) * 2011-05-09 2011-10-12 重庆协成毕扬减振器有限公司 Valve-piece-only type piston valve for automobile shock absorber
CN202301711U (en) * 2011-11-01 2012-07-04 成都红美金属制品有限公司 Connecting structure between piston and piston rod in automobile damper
CN104534007A (en) * 2015-01-07 2015-04-22 青岛思锐科技有限公司 Air spring shock absorber assembly with internally-arranged type altitude valve
CN204387190U (en) * 2014-12-15 2015-06-10 重庆东安渠强机械制造有限公司 Damped cylinder piston mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009170A (en) * 1998-06-23 2000-01-11 Tokico Ltd Hydraulic shock absorber
CN2413087Y (en) * 1999-04-23 2001-01-03 淅川汽车配件厂 Vibration-damper with fastening edge
CN2625179Y (en) * 2003-06-18 2004-07-14 万向钱潮股份有限公司 Rear shock-absorber for sedan
CN200940656Y (en) * 2006-06-15 2007-08-29 万向钱潮股份有限公司 Compression valve
CN202007854U (en) * 2011-05-09 2011-10-12 重庆协成毕扬减振器有限公司 Valve-piece-only type piston valve for automobile shock absorber
CN202301711U (en) * 2011-11-01 2012-07-04 成都红美金属制品有限公司 Connecting structure between piston and piston rod in automobile damper
CN204387190U (en) * 2014-12-15 2015-06-10 重庆东安渠强机械制造有限公司 Damped cylinder piston mechanism
CN104534007A (en) * 2015-01-07 2015-04-22 青岛思锐科技有限公司 Air spring shock absorber assembly with internally-arranged type altitude valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108779827A (en) * 2016-03-23 2018-11-09 不二乳胶株式会社 Damper
CN106870618A (en) * 2017-03-27 2017-06-20 苏州市顺仪五金有限公司 A kind of buffer connecting rods
CN108644293A (en) * 2018-06-01 2018-10-12 安徽知之信息科技有限公司 A kind of new-energy automobile shock absorption buffering mechanism

Also Published As

Publication number Publication date
CN105020317B (en) 2017-11-17

Similar Documents

Publication Publication Date Title
CN104712701B (en) Multi-hole adjustable multi-variable-load hydraulic buffer
US6659243B2 (en) Shaft seat part structure of hydraulic shock absorber and assembling method thereof
US2890545A (en) Leg equalizers for appliances and the like
CN106321916A (en) Flow safety valve
US9829062B2 (en) Bump stopper cap
CN103143744A (en) Lathe fixture
KR20130086185A (en) Gas spring
JP2005291302A (en) Hydraulic shock absorber
CN103867619B (en) A kind of compression distance adjustable type spring assembly
CN103291801A (en) Gas spring and gas spring components
CN105370789A (en) Hydraulic suspension damper with hydraulic machine stroke stopping device
CN203189596U (en) Controllable reset damping oil cylinder
CN203730627U (en) Damping component between cab and vehicle body
CN106064190A (en) A kind of pressing equipment of hardware
CN204327846U (en) A kind of locomotive vehicle oil hydraulic damper
US20120024647A1 (en) Cylinder apparatus, method for manufacturing the same, and shock absorber
CN104191927A (en) Axial variable-damping hydraulic bushing for automotive suspension
CN103758854A (en) Traction bar ball assembly, and assembling tool and assembling method for traction bar ball assembly
CN107923469B (en) The valve of buffer constructs
JP2016070431A (en) Reaction force adjustment member and suspension
CN203685969U (en) Novel reinforcement friction damper
CN103470790B (en) Three eccentric metal seal butterfly valve
CN204664274U (en) Air spring piston rod assembly
CN205101581U (en) Inserted valve holder structure of double sealing for valve
CN104526316A (en) Automobile damper bushing pressing-in device

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant