WO2015053151A1 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
WO2015053151A1
WO2015053151A1 PCT/JP2014/076319 JP2014076319W WO2015053151A1 WO 2015053151 A1 WO2015053151 A1 WO 2015053151A1 JP 2014076319 W JP2014076319 W JP 2014076319W WO 2015053151 A1 WO2015053151 A1 WO 2015053151A1
Authority
WO
WIPO (PCT)
Prior art keywords
outer cylinder
shock absorber
intermediate member
sacrificial corrosion
bump stopper
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.)
Ceased
Application number
PCT/JP2014/076319
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
孝弘 福井
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.)
KYB Corp
Original Assignee
Kayaba Industry Co Ltd
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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to US14/917,036 priority Critical patent/US9777791B2/en
Priority to DE112014004630.2T priority patent/DE112014004630T5/de
Priority to CN201480054938.XA priority patent/CN105637253B/zh
Publication of WO2015053151A1 publication Critical patent/WO2015053151A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F16F9/38—Covers for protection or appearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • 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
    • F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/30—Spring/Damper and/or actuator Units
    • B60G2202/32—The spring being in series with the damper and/or actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/41—Dampers
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/0023—Purpose; Design features protective
    • 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
    • F16F9/3207—Constructional features
    • F16F9/3235—Constructional features of cylinders
    • F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps

Definitions

  • the present invention relates to a shock absorber.
  • JP2001-50329A discloses a shock absorber provided with a bump cushion attached to the outer periphery of a rod protruding from an outer cylinder, and a synthetic resin bump stopper fitted to one end of the outer cylinder.
  • this shock absorber the impact at the time of the maximum compression is absorbed by the bump cushion abutting against the bump stopper at the time of the maximum compression.
  • the outer peripheral surface is painted for rust prevention.
  • an unpainted portion is provided at the rod protruding side end of the outer cylinder in order to prevent the paint from entering the outer cylinder.
  • the unpainted portion is covered with a bump stopper, but the synthetic resin bump stopper has no rust prevention effect. For this reason, corrosion progresses in the unpainted portion where the iron-based metal is exposed, and a corrosion product may ooze out to deteriorate the appearance or deteriorate the bump stopper.
  • Such a phenomenon can occur even when the outer cylinder is formed of a metal other than iron, and even when a rust prevention measure is taken by a method other than painting, a rust prevention is provided at one end of the outer cylinder where the bump stopper is fitted. This can occur if it is difficult to process.
  • a rust prevention measure is taken by a method other than painting
  • labor costs and equipment costs increase, resulting in an increase in manufacturing costs. .
  • the object of the present invention is to suppress corrosion of the exposed portion even if a portion where the metal is exposed is formed at one end of the outer cylinder to which the bump stopper is fitted.
  • the shock absorber is a metal cylindrical outer cylinder, a rod inserted into the outer cylinder so as to be movable in the axial direction, and the rod protruding from the outer cylinder.
  • a bump cushion that is attached to the outer periphery of the outer periphery, a bump stopper made of a synthetic resin that is formed in a cap shape and is fitted to one end in the axial direction of the outer cylinder, and the bump cushion abuts at the time of the most compression, And a sacrificial corrosion portion disposed between the stopper and the metal surface of the outer cylinder, wherein the sacrificial corrosion portion is provided with a shock absorber made of metal having a higher ionization tendency than the outer cylinder.
  • FIG. 1 is a front view of a shock absorber according to an embodiment of the present invention, partially cut away.
  • FIG. 2 is an enlarged view of the main part of FIG.
  • FIG. 3 is an enlarged view of a portion III in FIG.
  • FIG. 4 is an enlarged front view of a main part of a shock absorber according to another embodiment of the present invention, partially cut away.
  • FIG. 5 is a view showing a cross section taken along line VV of FIG.
  • FIG. 6 is an enlarged front view of a main part of a shock absorber according to another embodiment of the present invention, partially cut away.
  • FIG. 7 is an enlarged view of a portion VII in FIG.
  • a shock absorber D includes a metal cylindrical outer cylinder 1, a rod 2 that is movably inserted in the outer cylinder 1 in the axial direction, and an outer cylinder 1.
  • a bump cushion 3 attached to the upper outer periphery of the protruding rod 2 and a synthetic resin bump stopper 4 formed in a cap shape and fitted to one end of the outer cylinder 1 in the axial direction are provided.
  • the bump cushion 3 abuts against the bump stopper 4 at the time of the maximum compression of the shock absorber D in which the rod 2 enters the outer cylinder 1 to the maximum, so that the impact at the time of the maximum compression is absorbed and relaxed.
  • the shock absorber D further includes a sacrificial corrosion portion 5 that is disposed between the outer cylinder 1 and the bump stopper 4 and contacts the metal surface M of the outer cylinder 1.
  • the sacrificial corrosion portion 5 is a metal having a higher ionization tendency than the metal forming the outer cylinder 1.
  • the shock absorber D is interposed between the vehicle body and the wheels. As shown in FIG. 1, the shock absorber D has an end portion of a rod 2 protruding from the outer cylinder 1 connected to the vehicle body side via a vehicle body side mount 20, and the outer cylinder 1 is fixed to the outer periphery thereof by welding. It is connected to the wheel side via a bracket 10. For this reason, when an impact due to road surface unevenness is input to the wheel, the rod 2 enters and exits the outer cylinder 1 and the shock absorber D expands and contracts.
  • the shock absorber D according to this embodiment is an upright type in which the rod 2 is connected to the vehicle body side and the outer cylinder 1 is connected to the wheel side.
  • the shock absorber D may be an inverted type in which the rod 2 is connected to the wheel side and the outer cylinder 1 is connected to the vehicle body side. Further, the shock absorber D may be used other than the automobile.
  • the shock absorber D is coupled to the lower end of the rod 2 inserted into the outer cylinder 1 and slidably contacts the inner peripheral surface of the outer cylinder 1, and the piston is defined in the outer cylinder 1. And two chambers filled with the working fluid, a passage communicating these chambers, and a damping valve that provides resistance to the flow of the working fluid passing through the passage.
  • the shock absorber D expands and contracts, the working fluid in one chamber to be reduced moves through the passage to the other chamber that expands.
  • the shock absorber D generates a damping force due to the resistance of the damping valve when the working fluid passes through the passage.
  • the working fluid various fluids such as liquids such as oil, water, and aqueous solutions, and gases can be used.
  • the shock absorber D may be a so-called double-tube shock absorber provided with a cylinder in the outer cylinder 1 or a double rod shock absorber in which rods 2 protrude from both sides of the piston.
  • the shock absorption relaxation at the time of the most compression is performed by converting the kinetic energy into elastic energy by the bump cushion 3 hitting the bump stopper 4 and elastically deforming when the shock absorber D is most compressed.
  • the bump cushion 3 is made of synthetic resin, rubber, or the like. Instead of this, the bump cushion 3 may be made of a coil spring.
  • the outer cylinder 1 to which the bump stopper 4 is fitted is formed of an iron-based metal, and a bracket 10 and a plate-shaped spring receiver 11 that supports the lower end of the suspension spring S are welded and fixed to the outer periphery. Since the outer cylinder 1 is formed of an iron-based metal, the bracket 10 and the spring receiver 11 can be easily welded. Then, after the welding operation, the outer cylinder 1 is coated with rust prevention.
  • the painting method may be any method, but after painting, a portion where the metal surface M such as iron-based metal is exposed is formed at the upper end portion of the outer cylinder 1.
  • the upper end of the outer cylinder 1 is crimped inward, and the seal 12 that closes the outer periphery of the rod 2 is pressed by the crimping portion 1a.
  • the unpainted portion where the metal surface M is exposed is formed over the crimped portion 1a and the upper end of the cylindrical portion 1b connected to the crimped portion 1a.
  • a dotted line L shown in FIGS. 1, 2, 4 and 6 indicates the boundary between the metal surface M and the unpainted coating surface on the outer periphery of the outer cylinder 1.
  • the iron-based metal is a metal mainly composed of iron or pure iron.
  • the unpainted portion of the outer cylinder 1 is covered with a bump stopper 4 fitted to the outer cylinder 1.
  • a plurality of bump stoppers 4 are arranged in an annular top portion 4a, a cylindrical tube portion 4b standing on the outer peripheral edge of the top portion 4a, and extending in the axial direction on the inner periphery of the tube portion 4b at intervals in the circumferential direction.
  • a rib-like cap-shaped member is formed in the top portion 4a.
  • the press-fit load that is, the bonding strength between the bump stopper 4 and the outer cylinder 1 can be easily adjusted.
  • the top part 4a, the cylinder part 4b, and the rib 4c are integrally formed of the same synthetic resin.
  • the top part 4a, the cylinder part 4b, and the rib 4c may be formed by different synthetic resins, and may be integrated by insert molding.
  • the top portion 4a collides with the bump cushion 3 at the time of maximum compression, it is preferably formed of a reinforced synthetic resin material in which glass fibers or carbon fibers are mixed in a synthetic resin in order to improve durability and strength.
  • the number of ribs 4c may be two or more, and particularly three or more, the bump stopper 4 can be stably fixed to the outer cylinder 1.
  • a metal intermediate member 6 is disposed so as to contact an unpainted portion where the metal surface M of the outer cylinder 1 is exposed.
  • a sacrificial corrosion portion 5 is formed on the outer surface of the intermediate member 6 by plating.
  • the intermediate member 6 is made of an iron-based metal, and is integrated with the bump stopper 4 by insert molding. Specifically, an intermediate member 6 plated with the sacrificial corrosion portion 5 is inserted into a mold for forming the bump stopper 4, and a synthetic resin material that is a material for the bump stopper 4 is poured into the mold.
  • the bump stopper 4 As a result, simultaneously with the formation of the bump stopper 4, the bump stopper 4, the intermediate member 6, and the sacrificial corrosion portion 5 are integrated.
  • the method of integrating is not limited to insert molding, and may be integrated by pressing the intermediate member 6 inside the bump stopper 4.
  • the sacrificial corrosion portion 5 is made of a zinc-based metal and has a higher ionization tendency than the iron-based metal that forms the outer cylinder 1 and the intermediate member 6. For this reason, the sacrificial corrosion part 5 corrodes preferentially rather than the outer cylinder 1 and the intermediate member 6 which contact the sacrificial corrosion part 5, and suppresses that the outer cylinder 1 and the intermediate member 6 corrode.
  • the sacrificial corrosion portion 5 does not need to be provided on the entire outer surface of the intermediate member 6, and may be provided only on a portion in contact with the metal surface M of the outer cylinder 1. Further, the method of forming the sacrificial corrosion portion 5 on the outer surface of the intermediate member 6 is not limited to plating, and may be another known coating method such as thermal spraying.
  • the zinc-based metal is a metal mainly composed of zinc or pure zinc.
  • the intermediate member 6 shown in FIG. 2 is formed in a cap shape in accordance with the bump stopper 4 and covers the metal surface M of the outer cylinder 1 which is an unpainted portion.
  • the shape of the intermediate member 6 is not limited to the above shape, and the sacrificial corrosion portion 5 does not need to be in contact with the entire metal surface M of the outer cylinder 1.
  • the intermediate member 6 on which the sacrificial corrosion portion 5 is plated may be composed of a plurality of parts as shown in FIGS. 4 and 5.
  • the intermediate member 6 on which the sacrificial corrosion portion 5 is plated is a rectangular member, and is arranged at four locations with a gap in the circumferential direction. A part of the intermediate member 6 is embedded in the bump stopper 4 by insert molding, and the intermediate member 6 and the bump stopper 4 are integrated.
  • the shape of the intermediate member 6 is not limited to a rectangular shape, and may be a geometrically simple shape such as a circle. The simpler the shape of the intermediate member 6 is, the cheaper and easier it is to form the intermediate member 6.
  • the number of intermediate members 6 is not limited to four, and may be increased or decreased as appropriate in consideration of the rust prevention effect of the metal surface M.
  • the method of attaching the sacrificial corrosion portion 5 is not limited to the above configuration.
  • the bump stopper 4 and the intermediate member 6 plated with the sacrificial corrosion portion 5 are separated.
  • the intermediate member 6 may be held between the bump stopper 4 and the outer cylinder 1.
  • the attachment work to the shock absorber D is facilitated by forming the intermediate member 6 in an annular shape.
  • a commercially available galvanized washer can be used, and the shock absorber D can be manufactured at a low cost.
  • the outer cylinder 1 and the intermediate member 6 are made of iron-based metal, and the sacrificial corrosion portion 5 is made of zinc-based metal.
  • the sacrificial corrosion part 5 is a zinc-based metal, even if it corrodes, the corrosion part only turns white. For this reason, even if the sacrificial corrosion part 5 corrodes, it does not turn reddish brown or the corrosion product oozes out and deteriorates the appearance as when iron corrodes.
  • the outer cylinder 1 consists of an iron-type metal, the outer cylinder 1 can be formed cheaply and easily. In particular, when peripheral parts such as the bracket 10 and the spring receiver 11 are welded to the outer cylinder 1, the weldability between the outer cylinder 1 made of iron-based metal and the peripheral parts can be improved. Further, since the intermediate member 6 is made of an iron-based metal, the intermediate member 6 can be easily formed at low cost, and galvanization as the sacrificial corrosion portion 5 can be easily performed.
  • the metal which forms the outer cylinder 1, the intermediate member 6, and the sacrificial corrosion part 5 forms the sacrificial corrosion part 5 rather than the above limitation rather than the ionization tendency of the metal which forms the outer cylinder 1 and the intermediate member 6. It is sufficient if the ionization tendency of the metal is high. If the ionization tendency is lower than that of the sacrificial corrosion portion 5, the outer cylinder 1 and the intermediate member 6 may be formed of different materials.
  • the intermediate member 6 on which the sacrificial corrosion portion 5 is formed is integrated with the bump stopper 4 by insert molding.
  • the intermediate member 6 when the bump stopper 4 is formed, the intermediate member 6 is attached to the bump stopper 4 so that the bump stopper 4 and the sacrificial corrosion portion 5 are integrated. For this reason, the sacrificial corrosion portion 5 is not forgotten to be interposed between the outer cylinder 1 and the bump stopper 4, and corrosion of the unpainted portion of the outer cylinder 1 can be reliably suppressed by the sacrificial corrosion portion 5. Further, since the intermediate member 6 plated with the sacrificial corrosion portion 5 is integrated with the bump stopper 4 by insert molding, the intermediate member 6 may be composed of a plurality of parts, and the shape of the intermediate member 6 is free. Can be set to
  • the intermediate member 6 on which the sacrificial corrosion portion 5 is formed is sandwiched and held between the bump stopper 4 and the outer cylinder 1.
  • This configuration facilitates the work of attaching the intermediate member 6 to the shock absorber D. Further, if a commercially available galvanized washer or the like is used as the intermediate member 6, the shock absorber D can be manufactured at low cost.
  • the shock absorber D includes an intermediate member 6 interposed between the outer cylinder 1 and the bump stopper 4, and a sacrificial corrosion portion 5 is formed on the surface of the intermediate member 6.
  • the sacrificial corrosion portion 5 is formed on the surface of the intermediate member 6, the amount of metal used to form the sacrificial corrosion portion 5 can be suppressed, and the shock absorber D can be manufactured at low cost.
  • a member formed of a zinc-based metal may be held between the outer cylinder 1 and the bump stopper 4 or may be attached to the metal surface M of the outer cylinder 1. Good. In this case, the intermediate member 6 can be abolished.
  • the shock absorber D is disposed between the outer cylinder 1 and the bump stopper 4 and includes a sacrificial corrosion portion 5 that comes into contact with the metal surface M of the outer cylinder 1. It consists of a metal having a higher ionization tendency than the metal to be formed.
  • the sacrificial corrosion portion 5 that contacts the metal surface M of the outer cylinder 1 corrodes preferentially over the unpainted portion of the outer cylinder 1, so that corrosion of the unpainted portion can be suppressed. That is, even if the end portion of the outer cylinder 1 to which the bump stopper 4 is fitted cannot be subjected to the same rust-proofing treatment as the other portions, and the portion where the metal is exposed is formed, the sacrificial corrosion portion 5 is provided. Corrosion of the part can be easily suppressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Springs (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
PCT/JP2014/076319 2013-10-08 2014-10-01 緩衝器 Ceased WO2015053151A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/917,036 US9777791B2 (en) 2013-10-08 2014-10-01 Shock absorber
DE112014004630.2T DE112014004630T5 (de) 2013-10-08 2014-10-01 Stossdämpfer
CN201480054938.XA CN105637253B (zh) 2013-10-08 2014-10-01 缓冲器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-210641 2013-10-08
JP2013210641A JP5799069B2 (ja) 2013-10-08 2013-10-08 緩衝器

Publications (1)

Publication Number Publication Date
WO2015053151A1 true WO2015053151A1 (ja) 2015-04-16

Family

ID=52812967

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/076319 Ceased WO2015053151A1 (ja) 2013-10-08 2014-10-01 緩衝器

Country Status (5)

Country Link
US (1) US9777791B2 (enExample)
JP (1) JP5799069B2 (enExample)
CN (1) CN105637253B (enExample)
DE (1) DE112014004630T5 (enExample)
WO (1) WO2015053151A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020045327A1 (ja) * 2018-08-27 2020-03-05 日本精機株式会社 ストロークセンサ

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6616672B2 (ja) * 2015-11-20 2019-12-04 Ｋｙｂ株式会社 バンプストッパ、及び緩衝器
JP6817731B2 (ja) * 2016-06-30 2021-01-20 Ｋｙｂ株式会社 筒部材及び緩衝器
JP6428821B2 (ja) * 2017-03-27 2018-11-28 マツダ株式会社 車両の後部車体構造
DE102017206486A1 (de) * 2017-04-18 2018-10-18 Zf Friedrichshafen Ag Schwingungsdämpfer
DE102019117200A1 (de) * 2018-07-04 2020-01-09 Fanuc Corporation Horizontal-gelenkroboter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107608U (enExample) * 1980-12-24 1982-07-02
JPS6177505A (ja) * 1984-09-26 1986-04-21 Kinugawa Rubber Ind Co Ltd リバウンドバンパ
JPH03277841A (ja) * 1990-03-26 1991-12-09 Atsugi Unisia Corp 緩衝器
JP2001050329A (ja) * 1999-08-06 2001-02-23 Toyoda Gosei Co Ltd ショックアブソーバー用キャップ
JP2006170386A (ja) * 2004-12-17 2006-06-29 Tokai Rubber Ind Ltd サスペンション装置用のバウンドストッパ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1641243A (zh) * 2003-12-04 2005-07-20 佐藤孝典 螺栓连接构造和阻尼器构造
JP5206965B2 (ja) * 2008-01-31 2013-06-12 日立オートモティブシステムズ株式会社 流体圧緩衝器
DE102008062902B4 (de) * 2008-12-23 2022-01-27 Volkswagen Ag Schwingungsdämpfer und Schutzkappe zur Befestigung an einem Behälterrohr eines Schwingsdämpfers
CN201991990U (zh) * 2011-03-21 2011-09-28 浙江吉利汽车研究院有限公司 一种汽车减震器防尘罩的连接结构
JP6435741B2 (ja) * 2014-09-22 2018-12-12 トヨタ自動車株式会社 バンプストッパキャップ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107608U (enExample) * 1980-12-24 1982-07-02
JPS6177505A (ja) * 1984-09-26 1986-04-21 Kinugawa Rubber Ind Co Ltd リバウンドバンパ
JPH03277841A (ja) * 1990-03-26 1991-12-09 Atsugi Unisia Corp 緩衝器
JP2001050329A (ja) * 1999-08-06 2001-02-23 Toyoda Gosei Co Ltd ショックアブソーバー用キャップ
JP2006170386A (ja) * 2004-12-17 2006-06-29 Tokai Rubber Ind Ltd サスペンション装置用のバウンドストッパ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020045327A1 (ja) * 2018-08-27 2020-03-05 日本精機株式会社 ストロークセンサ
JPWO2020045327A1 (ja) * 2018-08-27 2021-08-12 日本精機株式会社 ストロークセンサ
JP7310825B2 (ja) 2018-08-27 2023-07-19 日本精機株式会社 ストロークセンサ

Also Published As

Publication number Publication date
JP2015075147A (ja) 2015-04-20
CN105637253B (zh) 2018-09-07
US20160215848A1 (en) 2016-07-28
DE112014004630T5 (de) 2016-10-13
CN105637253A (zh) 2016-06-01
JP5799069B2 (ja) 2015-10-21
US9777791B2 (en) 2017-10-03

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