WO2016113996A1 - ショックアブソーバ - Google Patents
ショックアブソーバ Download PDFInfo
- Publication number
- WO2016113996A1 WO2016113996A1 PCT/JP2015/082263 JP2015082263W WO2016113996A1 WO 2016113996 A1 WO2016113996 A1 WO 2016113996A1 JP 2015082263 W JP2015082263 W JP 2015082263W WO 2016113996 A1 WO2016113996 A1 WO 2016113996A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shock absorber
- joint
- eye
- mounting
- mounting eye
- Prior art date
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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
- F16F9/54—Arrangements for attachment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/14—Projection welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/129—Damper mount on wheel suspension or knuckle
Definitions
- the present invention relates to a shock absorber.
- JP 2005-83455A discloses a shock absorber in which a cylindrical mounting member (mounting eye) is joined to a cap member that closes the lower end of the outer case.
- reinforcement welding is performed on the outer peripheral surface side of the attachment member at the joint portion in order to improve the strength of the joint portion of the attachment member.
- the strength of the joint portion of the attachment member can also be improved by performing reinforcement welding on the end face side of the attachment member at the joint portion.
- the shock absorber described above since the outer peripheral surface of the mounting member has a uniform cylindrical shape with a full width, the space between the outer peripheral surface of the mounting member and the cap member is small, and welding is difficult.
- An object of the present invention is to enable reinforcement welding to be easily performed on the end face side of the attachment member at the joint portion of the attachment member.
- a shock absorber a cylindrical mounting member having an outer diameter on the end surface side smaller than the outer diameter of the central portion is provided by joining the outer peripheral surface, and in the joint portion of the mounting member A shock absorber is provided in which reinforcement welding is performed on the end face side of the mounting member.
- FIG. 1 is a partial cross-sectional view of a shock absorber according to an embodiment of the present invention.
- FIG. 2 is an enlarged view around the mounting eye.
- FIG. 3 is a view of the mounting eye as seen from the joint portion side, and shows a state in which reinforcement welding is performed at four locations.
- FIG. 4 is a view of the mounting eye as seen from the joint portion side, and shows a state in which reinforcement welding is performed on the entire circumference.
- FIG. 5 is a view of the mounting eye according to the modification viewed from the joint side, and shows a state in which reinforcement welding is performed at four locations.
- FIG. 6 is a partial cross-sectional view of a shock absorber according to a modification of the present invention.
- shock absorber 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
- the shock absorber 100 is a device that is interposed between a vehicle body and an axle of an automobile (not shown), for example, and generates a damping force to suppress the vibration of the vehicle body.
- the shock absorber 100 includes an outer case 1 in which hydraulic fluid as hydraulic fluid is sealed, a piston rod 2 extending from one end of the outer case 1, and one end on the tip side of the piston rod 2.
- An outer cover 3 to be fixed, an attachment eye 4 as an attachment member joined to the outer case 1, and a bush 5 press-fitted into the attachment eye 4 are provided.
- the outer case 1 includes a cylindrical tube 1a and a cap member 1b that closes the end of the tube 1a opposite to the piston rod 2.
- the cap member 1b is joined to the tube 1a by seam welding, projection welding, or the like.
- the outer case 1 may be formed by closing the end of the tube 1a by closing without providing the cap member 1b.
- the outer case 1 is filled with hydraulic oil and compressed gas for preventing cavitation of the hydraulic oil.
- the shock absorber 100 may be a single cylinder type or a multiple cylinder type.
- the tube 1a is a cylinder.
- the shock absorber 100 is a double cylinder type, the tube 1a is an outer tube.
- the piston rod 2 is inserted into the outer case 1 so as to freely advance and retract.
- a male screw 2 a for attaching the shock absorber 100 to the vehicle body side is formed at the end of the piston rod 2 on the side extending from the outer case 1.
- the outer cover 3 is fixed to the tip side of the piston rod 2 by welding or the like. Specifically, the outer cover 3 includes a bottom portion 3a fixed to the piston rod 2 and a cylindrical portion 3b formed from the bottom portion 3a toward the outer case 1 side.
- the outer cover 3 is integrally formed with a bottom 3a and a cylinder 3b.
- the structure of the outer cover 3 may be, for example, a structure in which a cylindrical member as the cylindrical portion 3b is fixed to a disk-shaped member as the bottom portion 3a by welding, press fitting, or the like.
- the mounting eye 4 has a cylindrical shape, and the outer peripheral surface 4e is joined to the outer case 1 as a member to be joined by projection welding or the like. Specifically, the attachment eye 4 is joined to the cap member 1b.
- the joint 4a of the mounting eye 4 is provided with a reinforcement weld by applying reinforcement welds 6a and 6b. This will be described later.
- the mounting eye 4 is directly joined to the processed part of the tube 1a.
- the bush 5 includes an inner cylinder 5a through which a bolt (not shown) for attaching the shock absorber 100 to the axle side is inserted, and a rubber part 5b vulcanized and bonded to the inner cylinder 5a.
- a ball joint bush may be used as the bush.
- a reinforcing weld is provided at the joint 4a of the mounting eye 4.
- reinforcement welding 6 a is applied to the joint portion 4 a of the mounting eye 4 from the axial direction side of the mounting eye 4, that is, from the end face 4 f side of the mounting eye 4.
- reinforcement welding 6b is performed from the side orthogonal to the axial direction of the mounting eye 4, that is, from the outer peripheral surface 4e side of the mounting eye 4.
- the reinforcing welds 6a and 6b are applied by, for example, arc welding.
- the reinforcement weld 6a is applied to both end surfaces 4f of the attachment eye 4 in the joint 4a, and the reinforcement weld 6b is both outer peripheral surfaces 4e of the attachment eye 4 in the joint 4a. Applied to the side.
- the strength of the joint portion 4a is improved by applying the reinforcement welds 6a and 6b to the four portions on the both end face 4f side and both outer peripheral surface 4e sides of the mounting eye 4 in the joint portion 4a. I am letting.
- the reinforcement welding 6a may be applied only to one of the end surfaces 4f.
- the reinforcement welding 6b may be made only either reinforcement welding 6a, 6b.
- the reinforcement welding 6b has a large space between the outer peripheral surface 4e of the mounting eye 4 and the cap member 1b, and can be easily applied.
- the reinforcement welding 6a for example, when the outer peripheral surface of the mounting eye has a uniform cylindrical shape with a full width, the space between the outer peripheral surface of the mounting eye and the cap member 1b is small and welding is difficult.
- the mounting eye 4 is formed so that the outer diameter D2 on the end face 4f side is smaller than the outer diameter D1 of the central portion 4b.
- the attachment eye 4 has taper portions 4c whose outer diameters decrease from the central portion 4b side toward the end surface 4f side at both ends.
- the reinforcement welding 6a can be easily performed.
- a space in which the beads of the reinforcement weld 6a can be secured can be prevented, the beads can be prevented from protruding to the inner peripheral surface of the mounting eye 4.
- the taper portion 4c of the mounting eye 4 has a starting point 4d on the side of the joint portion 4a provided on the end face 4f side of the joint portion 4a, and the taper portion 4c and the joint portion 4a are provided. It is designed not to overlap.
- the mounting eye 4 is joined to the outer case 1 using a uniform cylindrical portion on the outer peripheral surface 4e. Therefore, the attachment eye 4 can be stably joined.
- the reinforcement welds 6a and 6b are applied to the four locations on the both ends 4f side and the both outer peripheral surfaces 4e side of the attachment eye 4 in the joint portion 4a.
- the shape of the mounting eye may be, for example, a shape in which a small diameter portion 7c having an outer diameter smaller than the outer diameter of the central portion 7b is provided at both ends as in the mounting eye 7 shown in FIG.
- the space on the end surface 7f side of the attachment eye 7 in the joint portion 7a is widened, so that the reinforcement welding 6a can be easily performed. Moreover, since the space in which the bead of the reinforcement welding 6a is accommodated can be secured, it is possible to prevent the bead from protruding to the inner peripheral surface of the mounting eye 7.
- the starting point 7d on the joint portion 7a side is provided closer to the end surface 7f than the joint portion 7a, so that the small diameter portion 7c and the joint portion 7a do not overlap.
- the mounting eye 7 is joined to the outer case 1 using a uniform cylindrical portion on the outer peripheral surface 7e. Therefore, the attachment eye 7 can be stably joined.
- the mounting eye 4 is provided at the end of the outer case 1, but the mounting eye 4 may be provided at the end of the piston rod 2 as in the shock absorber 200 shown in FIG. Further, the attachment eyes 4 may be provided at both ends of the shock absorber 100, that is, both the end of the outer case 1 and the end of the piston rod 2.
- the shock absorber 100 is provided at one or both ends with cylindrical mounting eyes 4 and 7 having outer diameters on the side of the end faces 4f and 7f smaller than the outer diameters of the central portions 4b and 7b. Reinforcing welds 6a and 6c are applied to the end faces 4f and 7f of the attachment eyes 4 and 7 at the joints 4a and 7a of the attachment eyes 4 and 7, respectively.
- the mounting eye 4 is characterized by having tapered portions 4c whose outer diameters decrease from the central portion 4b side toward the end surface 4f side at both ends.
- the mounting eye 7 has a small diameter portion 7c having an outer diameter smaller than the outer diameter of the central portion 7b at both ends.
- the outer diameters of the mounting eyes 4 and 7 on the side of the end surfaces 4f and 7f are smaller than the outer diameter of the central portions 4b and 7b.
- the space becomes wider. Therefore, the reinforcement welds 6a and 6c can be easily applied to the end faces 4f and 7f of the attachment eyes 4 and 7 in the joint portions 4a and 7a.
- the space in which the beads of the reinforcement welds 6a and 6c are accommodated can be secured, it is possible to prevent the beads from protruding to the inner peripheral surfaces of the mounting eyes 4 and 7.
- the starting point 4d on the joint 4a side in the tapered portion 4c of the mounting eye 4 is provided on the end face 4f side with respect to the joint 4a.
- the starting point 7d on the joint 7a side in the small diameter part 7c of the mounting eye 7 is provided on the end face 7f side with respect to the joint 7a.
- the mounting eyes 4 and 7 are joined to the shock absorber 100 using uniform cylindrical portions on the outer peripheral surfaces 4e and 7e. Therefore, the attachment eyes 4 and 7 can be stably joined.
- the reinforcement welding 6a is characterized in that it is performed at four places on both the end faces 4f, 7f side and both outer peripheral faces 4e, 7e side of the mounting eyes 4, 7 in the joint portions 4a, 7a.
- the reinforcement welding 6c is characterized in that it is applied to the entire circumference of the joint portions 4a and 7a.
- the mounting eye 4 has the tapered portion 4c and the mounting eye 7 has the small diameter portion 7c, but the mounting eye has a tapered portion at one end, It is good also as a shape which provided the small diameter part in the edge part.
- the shape of the end portion of the mounting eye may be, for example, a shape that changes from the central portion side to the end face side to the small diameter portion in the middle of the taper portion, or a shape that changes to the taper portion in the middle of the small diameter portion. Also good.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims (7)
- ショックアブソーバであって、
一端又は両端に、中央部の外径よりも端面側の外径が小さい円筒状の取付部材が外周面を接合して設けられ、
前記取付部材の接合部における前記取付部材の前記端面側に、補強溶接が施されてなる、
ショックアブソーバ。 - 請求項1に記載のショックアブソーバであって、
前記取付部材は、両端部に、前記中央部側から前記端面側に向かって外径が小さくなるテーパ部を有する、
ショックアブソーバ。 - 請求項1に記載のショックアブソーバであって、
前記取付部材は、両端部に、前記中央部の外径よりも外径が小さい小径部を有する、
ショックアブソーバ。 - 請求項2に記載のショックアブソーバであって、
前記テーパ部における前記接合部側の起点は、前記接合部よりも前記端面側に設けられる、
ショックアブソーバ。 - 請求項3に記載のショックアブソーバであって、
前記小径部における前記接合部側の起点は、前記接合部よりも前記端面側に設けられる、
ショックアブソーバ。 - 請求項1に記載のショックアブソーバであって、
前記補強溶接は、前記接合部における前記取付部材の両前記端面側及び両前記外周面側の4か所に施される、
ショックアブソーバ。 - 請求項1に記載のショックアブソーバであって、
前記補強溶接は、前記接合部の全周に施される、
ショックアブソーバ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI2017702256A MY190578A (en) | 2015-01-14 | 2015-11-17 | Shock absorber |
AU2015377575A AU2015377575B2 (en) | 2015-01-14 | 2015-11-17 | Shock absorber |
CA2970862A CA2970862C (en) | 2015-01-14 | 2015-11-17 | Shock absorber |
BR112017013747-0A BR112017013747B1 (pt) | 2015-01-14 | 2015-11-17 | Amortecedor |
US15/542,740 US10400850B2 (en) | 2015-01-14 | 2015-11-17 | Shock absorber |
NZ734391A NZ734391B2 (en) | 2015-01-14 | 2015-11-17 | Shock absorber |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-005239 | 2015-01-14 | ||
JP2015005239A JP6445873B2 (ja) | 2015-01-14 | 2015-01-14 | ショックアブソーバ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016113996A1 true WO2016113996A1 (ja) | 2016-07-21 |
Family
ID=56405553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/082263 WO2016113996A1 (ja) | 2015-01-14 | 2015-11-17 | ショックアブソーバ |
Country Status (7)
Country | Link |
---|---|
US (1) | US10400850B2 (ja) |
JP (1) | JP6445873B2 (ja) |
AU (1) | AU2015377575B2 (ja) |
BR (1) | BR112017013747B1 (ja) |
CA (1) | CA2970862C (ja) |
MY (1) | MY190578A (ja) |
WO (1) | WO2016113996A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6657048B2 (ja) * | 2016-09-30 | 2020-03-04 | 本田技研工業株式会社 | 処理結果異常検出装置、処理結果異常検出プログラム、処理結果異常検出方法及び移動体 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08128485A (ja) * | 1994-11-01 | 1996-05-21 | Unisia Jecs Corp | 液圧緩衝器の取付環および液圧緩衝器の取付環製造方法 |
JPH08261272A (ja) * | 1995-03-22 | 1996-10-08 | Keiaishiya Mikami Seisakusho:Kk | 緩衝器用ジョイント部の製造方法及び緩衝器用ジョイント部の構造 |
JP2005083454A (ja) * | 2003-09-08 | 2005-03-31 | Kayaba Ind Co Ltd | 油圧緩衝器の取付部 |
JP2005083455A (ja) * | 2003-09-08 | 2005-03-31 | Kayaba Ind Co Ltd | 油圧緩衝器の取付部 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3346665A1 (de) * | 1983-12-23 | 1985-07-04 | Lemförder Metallwaren AG, 2844 Lemförde | Elastisches lager mit zwangsfuehrung |
DE4420134C1 (de) * | 1994-06-09 | 1995-10-05 | Fichtel & Sachs Ag | Schwingungsdämpfer mit mechanischem Zuganschlag |
JP3770458B2 (ja) * | 2000-02-22 | 2006-04-26 | 株式会社ショーワ | 油圧緩衝器のダストカバー取付構造 |
US6981578B2 (en) * | 2003-07-31 | 2006-01-03 | Troy Leiphart | Non-pressurized monotube shock absorber |
DE102005008045B3 (de) * | 2005-02-23 | 2006-06-08 | Zf Friedrichshafen Ag | Kolben-Zylinderaggregat mit einem Schutzrohr |
DE102005043234B4 (de) * | 2005-09-09 | 2017-05-11 | Boge Elastmetall Gmbh | Verfahren zur Herstellung eines elastomeren Buchsenlagers |
-
2015
- 2015-01-14 JP JP2015005239A patent/JP6445873B2/ja active Active
- 2015-11-17 WO PCT/JP2015/082263 patent/WO2016113996A1/ja active Application Filing
- 2015-11-17 AU AU2015377575A patent/AU2015377575B2/en active Active
- 2015-11-17 MY MYPI2017702256A patent/MY190578A/en unknown
- 2015-11-17 US US15/542,740 patent/US10400850B2/en active Active
- 2015-11-17 BR BR112017013747-0A patent/BR112017013747B1/pt active IP Right Grant
- 2015-11-17 CA CA2970862A patent/CA2970862C/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08128485A (ja) * | 1994-11-01 | 1996-05-21 | Unisia Jecs Corp | 液圧緩衝器の取付環および液圧緩衝器の取付環製造方法 |
JPH08261272A (ja) * | 1995-03-22 | 1996-10-08 | Keiaishiya Mikami Seisakusho:Kk | 緩衝器用ジョイント部の製造方法及び緩衝器用ジョイント部の構造 |
JP2005083454A (ja) * | 2003-09-08 | 2005-03-31 | Kayaba Ind Co Ltd | 油圧緩衝器の取付部 |
JP2005083455A (ja) * | 2003-09-08 | 2005-03-31 | Kayaba Ind Co Ltd | 油圧緩衝器の取付部 |
Also Published As
Publication number | Publication date |
---|---|
CA2970862A1 (en) | 2016-07-21 |
MY190578A (en) | 2022-04-27 |
US20180003261A1 (en) | 2018-01-04 |
NZ734391A (en) | 2021-01-29 |
JP2016130565A (ja) | 2016-07-21 |
BR112017013747B1 (pt) | 2023-11-14 |
US10400850B2 (en) | 2019-09-03 |
CA2970862C (en) | 2023-10-31 |
AU2015377575B2 (en) | 2019-05-23 |
BR112017013747A2 (pt) | 2018-03-13 |
JP6445873B2 (ja) | 2018-12-26 |
AU2015377575A1 (en) | 2017-08-24 |
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