WO2022009551A1 - Structure de caoutchouc - Google Patents

Structure de caoutchouc Download PDF

Info

Publication number
WO2022009551A1
WO2022009551A1 PCT/JP2021/020215 JP2021020215W WO2022009551A1 WO 2022009551 A1 WO2022009551 A1 WO 2022009551A1 JP 2021020215 W JP2021020215 W JP 2021020215W WO 2022009551 A1 WO2022009551 A1 WO 2022009551A1
Authority
WO
WIPO (PCT)
Prior art keywords
bump rubber
rubber
axial direction
bump
compressed
Prior art date
Application number
PCT/JP2021/020215
Other languages
English (en)
Japanese (ja)
Inventor
洋平 川▲崎▼
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2022534941A priority Critical patent/JP7301234B2/ja
Publication of WO2022009551A1 publication Critical patent/WO2022009551A1/fr

Links

Images

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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/387—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type comprising means for modifying the rigidity in particular directions
    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • 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

Definitions

  • the present invention relates to a rubber structure.
  • the present application claims priority with respect to Japanese Patent Application No. 2020-117193 filed in Japan on July 7, 2020, the contents of which are incorporated herein by reference.
  • a shock absorber used for a vehicle suspension is provided with a piston that slides inside the cylinder, a piston rod that supports the piston, and an elastic member called a bump rubber.
  • the bump rubber absorbs the impact when the piston rod reaches the maximum stroke amount.
  • the cylinder strokes against the piston rod and comes into contact with the bump rubber.
  • the bump rubber cushions the impact by compressive deformation due to the contact of the cylinder, and alleviates the feeling of bottoming given to the occupant.
  • Patent Document 1 describes a rebound rubber interposed between a spring holder that holds one end of a rebound spring and a rebound seat fixed to a piston rod in the rebound spring mechanism of a hydraulic shock absorber.
  • Patent Document 1 does not describe the point of stabilizing the deformation of the bump rubber.
  • the present invention provides a rubber structure capable of stabilizing the deformation of the bump rubber at the time of impact input in the shock absorber provided with the bump rubber.
  • the rubber structure according to the first aspect of the present invention includes a bump rubber (70) which is formed in a cylindrical shape and is compressed and deformed in the axial direction as the shock absorber expands and contracts, and the bump rubber (70).
  • a peripheral member (52) that surrounds the bump rubber (70) from the outside in the radial direction, and the outer peripheral surface of the bump rubber (70) is provided with a single convex portion (73) that protrudes outward in the radial direction and extends in the circumferential direction.
  • the inner peripheral surface of the bump rubber (70) is provided with a single concave portion (76) that is recessed outward in the radial direction and extends in the circumferential direction, and the convex portion (73) is the bump rubber (70).
  • the bump rubber (70) may be deformed so that the inner peripheral surfaces are in contact with each other during compression in the axial direction.
  • the bump rubber in the axial compression process of the bump rubber, the bump rubber can be deformed so that the bump rubber bends from the bending point formed on the inner peripheral surface of the bump rubber.
  • the bump rubber is compressed in the axial direction and the inner peripheral surfaces do not come into contact with each other, the bump rubber is deformed so that substantially the entire surface bends. Therefore, according to the above configuration, in the axial compression process of the bump rubber, the deformation mode of the bump rubber can be changed before and after the state where the inner peripheral surfaces start to come into contact with each other. Thereby, in the axial compression process of the bump rubber, the elastic modulus in the axial direction of the bump rubber can be changed before and after the state where the inner peripheral surfaces start to contact each other.
  • the bump rubber (70) may be deformed so that the contact area between the inner peripheral surfaces increases as the rubber is compressed in the axial direction.
  • the bump rubber can be deformed so that the bump rubber further bends. Therefore, the stroke of the shock absorber accompanied by the compression of the bump rubber can be secured as compared with the configuration in which the bump rubber does not bend in the compression process.
  • the bump rubber (70) may be compressable in the axial direction at least until the ends (71, 72) in the axial direction come into contact with each other.
  • the contact member (10) that approaches and separates from the bump rubber (70) along the axial direction, and the bump rubber (10) in the axial direction.
  • a receiving member (32) that receives the bump rubber (70) on the side opposite to the contact member (10) with the 70) interposed therebetween is further provided, and the surrounding member (52) is attached to the receiving member (32).
  • the top portion (74) of the convex portion (73) is fixedly arranged, and the top portion (74) of the convex portion (73) overlaps the surrounding member (52) with respect to the radial direction in a state where the bump rubber (70) is not compressed. May be.
  • the top of the convex portion can be reliably opposed to the surrounding member in a state where the bump rubber is compressed in the axial direction by the contact member. Therefore, the bump rubber can be deformed while being reliably guided by the surrounding member.
  • the entire bump rubber (70) is the contact member (52) of the surrounding member (52) in the axial direction in a state where the bump rubber (70) is compressed. It may be accommodated on the receiving member (32) side rather than the end portion on the 10) side.
  • the size of the surrounding member in the axial direction can be appropriately set.
  • a shock absorber provided with a bump rubber
  • FIG. 1 is a semi-vertical cross-sectional view showing a part of the shock absorber according to the embodiment.
  • the shock absorber 1 is provided between a vehicle body of a saddle-riding vehicle such as a motorcycle and a swing arm that supports the rear wheels, and buffers shocks and vibrations input from the rear wheels. It is a hydraulic shock absorber.
  • the shock absorber 1 includes a cylinder 10 (contact member), a piston rod 20, a connecting member 30, a spring 40, a spring seat 50, a cover cylinder 60, and a bump rubber 70.
  • the shock absorber 1 expands and contracts when the piston rod 20 strokes in the axial direction with respect to the cylinder 10. At this time, the cylinder 10 approaches and separates from the bump rubber 70 along the axial direction.
  • the cylinder 10 is formed in the shape of a bottomed cylinder and extends around the central axis C along the axial direction.
  • the bottom wall 11 of the cylinder 10 extends in a direction orthogonal to the axial direction.
  • a piston (not shown) is slidably arranged along the axial direction.
  • a through hole (not shown) through which the piston rod 20 is inserted is formed in the bottom wall 11 of the cylinder 10.
  • the direction orthogonal to the central axis C and radially extending from the central axis C is referred to as a radial direction
  • the direction orbiting around the central axis C is referred to as a circumferential direction.
  • the piston rod 20 extends around the central axis C.
  • the first end (not shown) of the piston rod 20 is connected to the piston inside the cylinder 10.
  • the piston rod 20 projects outward from the cylinder 10 through a through hole in the bottom wall 11 of the cylinder 10.
  • a connecting member 30 is fixed to the second end 22 of the piston rod 20.
  • the connecting member 30 is connected to the vehicle body or the swing arm.
  • the connecting member 30 is formed with a screw hole 31 into which the second end portion 22 of the piston rod 20 is screwed.
  • the connecting member 30 is fixed to the piston rod 20 by a locknut 32 (receiving member).
  • the locknut 32 receives the bump rubber 70 on the side opposite to the cylinder 10 with the bump rubber 70 sandwiched in the axial direction.
  • the connecting member 30 includes an end face 33 extending radially outward from the opening edge of the screw hole 31.
  • the end surface 33 is formed to have a diameter larger than that of the locknut 32, and receives the seat surface of the locknut 32.
  • the end face 33 receives the spring 40 on the outer side in the radial direction of the locknut 32.
  • the spring 40 is a coil spring and is arranged coaxially with the central axis C.
  • the spring 40 is extrapolated to the cylinder 10 and the piston rod 20 in a compressed state.
  • the spring 40 urges the shock absorber 1 in the extending direction.
  • the first end (not shown) of the spring 40 urges the cylinder 10 in a direction away from the connecting member 30.
  • the second end portion 42 of the spring 40 urges the end surface 33 of the connecting member 30 in a direction away from the cylinder 10 via the spring seat 50.
  • FIG. 2 is a full cross-sectional view of part II shown in FIG.
  • the spring seat 50 has an annular flange portion 51 that contacts the second end portion 42 of the spring 40 in the axial direction, and an annular flange portion 51 from the inner peripheral edge of the flange portion 51 to the first end portion side of the spring 40. It is provided with an extending stay 52 (a flange member).
  • the flange portion 51 is arranged coaxially with the central axis C.
  • the flange portion 51 is arranged between the second end portion 42 of the spring 40 and the end surface 33 of the connecting member 30.
  • the spring seat 50 is fixedly arranged in the axial direction with respect to the connecting member 30.
  • the flange portion 51 is extrapolated to the locknut 32.
  • the stay 52 extends in the circumferential direction over the entire circumference.
  • the stay 52 is formed in a cylindrical shape centered on the central axis C, and extends in the axial direction with a constant inner diameter.
  • the inner diameter of the stay 52 is larger than the outer diameter of the end portion of the cylinder 10 on the connecting member 30 side (see also FIG. 1).
  • the stay 52 is arranged inside the spring 40.
  • the edge 55 on the stay 52 opposite to the flange portion 51 extends at a fixed position in the axial direction in the circumferential direction over the entire circumference.
  • the cover cylinder 60 includes a peripheral wall portion 61 that surrounds the spring 40, and an inner flange portion 62 that projects inward in the radial direction from the edge of the peripheral wall portion 61.
  • the inner flange portion 62 is formed in an annular shape centered on the central axis C.
  • the inner flange portion 62 is sandwiched between the end surface 33 of the connecting member 30 and the flange portion 51 of the spring seat 50.
  • the cover cylinder 60 has a two-layer structure, but the layer structure of the cover cylinder 60 is not particularly limited. Further, the cover cylinder 60 may be omitted. When the cover cylinder 60 is omitted, the flange portion 51 of the spring seat 50 is directly supported by the end surface 33 of the connecting member 30.
  • the bump rubber 70 is formed in a rotating body shape centered on the central axis C.
  • the bump rubber 70 is formed in a cylindrical shape.
  • the bump rubber 70 is arranged coaxially with the piston rod 20.
  • the bump rubber 70 is extrapolated to the piston rod 20 and is arranged between the bottom wall 11 of the cylinder 10 and the locknut 32.
  • the bump rubber 70 includes a first end portion 71 on the cylinder 10 side in the axial direction and a second end portion 72 on the locknut 32 side in the axial direction.
  • the second end 72 of the bump rubber 70 is in contact with the locknut 32.
  • the bump rubber 70 is surrounded by the stay 52 of the spring seat 50 from the outside in the radial direction.
  • the entire bump rubber 70 is arranged inside the stay 52 of the spring seat 50 when viewed from the axial direction.
  • the outer peripheral surface of the bump rubber 70 includes a single convex portion 73 protruding outward in the radial direction.
  • the outer peripheral surface is a surface facing a direction inclined outward in the radial direction with respect to the axial direction.
  • the convex portion 73 extends all around in the circumferential direction.
  • the convex portion 73 includes a top portion 74 located on the outermost side in the radial direction.
  • the normal vector of the top 74 is radially parallel.
  • the top portion 74 has a constant width in the axial direction. However, the top portion is provided as a point in the vertical cross section of the bump rubber and does not have to have a width in the axial direction.
  • the top portion 74 substantially overlaps the stay 52 of the spring seat 50 when viewed in the radial direction. At least a part of the top portion 74 is arranged at the same axial position as the end edge 55 on the stay 52 of the spring seat 50 opposite to the flange portion 51, or at a position closer to the locknut 32 than the end edge 55 of the stay 52. Has been done. In the present embodiment, the top portion 74 overlaps the end edge 55 of the stay 52 of the spring seat 50 when viewed in the radial direction.
  • the top 74 is located at the center of the bump rubber 70 in the axial direction. However, the axial position of the top is not limited to this.
  • the convex portion 73 is a vertical cross section of the bump rubber 70, and extends from the top portion 74 toward both end portions 71 and 72 of the bump rubber 70 so as to be always inclined in the axial direction.
  • the inner peripheral surface of the bump rubber 70 is provided with a single recess 76 that is recessed outward in the radial direction.
  • the inner peripheral surface is a surface facing inwardly inclined in the radial direction with respect to the axial direction.
  • the recess 76 extends all around in the circumferential direction. Both ends of the recess 76 in the axial direction are in contact with the outer peripheral surface of the piston rod 20.
  • the recess 76 comprises a bottom 77 located on the outermost radial side. The normal vector of the bottom 77 is radially parallel.
  • the bottom portion 77 is provided as a point in the vertical cross section of the bump rubber 70. However, the bottom portion may have a certain width in the axial direction.
  • the bottom portion 77 substantially overlaps the top portion 74 of the convex portion 73 when viewed in the radial direction.
  • the bottom portion 77 is arranged at the same position in the axial direction as the top portion 74 of the convex portion 73.
  • the bottom portion 77 is located at the center of the bump rubber 70 in the axial direction.
  • the recess 76 is a vertical cross section of the bump rubber 70, and always extends from the bottom portion 77 toward both ends 71 and 72 of the bump rubber 70 so as to be inclined in the axial direction.
  • the bump rubber 70 is formed to be the thickest in the radial direction at the axial position where the bottom 77 of the recess 76 is formed.
  • the bump rubber 70 is formed so that the thickness in the radial direction gradually decreases as the distance from the bottom portion 77 of the recess 76 increases in the axial direction.
  • the portion of the bump rubber 70 extending from the bottom portion 77 of the recess 76 to the first end portion 71 in the axial direction is referred to as a first half portion 70a.
  • the portion of the bump rubber 70 extending from the bottom portion 77 of the recess 76 to the second end portion 72 in the axial direction is referred to as a second half portion 70b.
  • the moving direction of the cylinder 10 with respect to the piston rod 20 when the shock absorber 1 contracts is referred to as a contraction direction.
  • FIG. 3 to 8 are cross-sectional views showing the operation of the shock absorber according to the embodiment.
  • the cylinder 10 when the cylinder 10 is displaced in the contraction direction, the cylinder 10 is displaced so as to approach the bump rubber 70 along the axial direction, and the bottom wall 11 of the cylinder 10 is attached to the first end portion 71 of the bump rubber 70. Contact.
  • the state in which the bottom wall 11 of the cylinder 10 first contacts the bump rubber 70 in the process of displacement of the cylinder 10 in the contraction direction is referred to as a first state.
  • the bump rubber 70 is compressed in the axial direction.
  • stress is initially concentrated on the bottom 77 of the recess 76 on the inner peripheral surface of the bump rubber 70, and the bottom 77 of the recess 76 is displaced outward in the radial direction. Since the bottom portion 77 of the recess 76 overlaps with the top portion 74 of the convex portion 73 on the outer peripheral surface of the bump rubber 70 in the axial direction, the bottom portion 77 of the concave portion 76 is displaced outward in the radial direction, so that the top portion of the convex portion 73 is formed.
  • the top portion 74 of the convex portion 73 comes into contact with the inner peripheral surface 53 of the stay 52.
  • a second state the state in which the outer peripheral surface of the bump rubber 70 comes into contact with the inner peripheral surface 53 of the stay 52 for the first time in the compression process of the bump rubber 70 is referred to as a second state.
  • the bump rubber 70 when the bump rubber 70 is further compressed in the axial direction from the second state, the bump rubber 70 bends so that the recess 76 bends in the vertical cross section of the bump rubber 70. More specifically, the bump rubber 70 bends so that the recess 76 bends in each of the first half portion 70a and the second half portion 70b.
  • the state in which the inner peripheral surface of the bump rubber 70 begins to bend so as to bend during the compression process of the bump rubber 70 is referred to as a third state.
  • the bump rubber 70 when the bump rubber 70 is further compressed in the axial direction from the third state, the bump rubber 70 is deformed so that the inner peripheral surfaces come into contact with each other starting from the bending point. More specifically, in each of the first half portion 70a and the second half portion 70b of the bump rubber 70, the bump rubber 70 is such that the inner peripheral surfaces come into contact with each other starting from the bending point formed in the third state. Is transformed. The bump rubber 70 is deformed so that the contact area between the inner peripheral surfaces increases as it is compressed in the axial direction.
  • the inner peripheral surface of the first half portion 70a of the bump rubber 70 is inside the bottom portion 77 of the recess 76.
  • An annular space defined from both sides in the axial direction is formed by the inner peripheral surface of the second half portion 70b.
  • the entire bump rubber 70 fits on the locknut 32 side (contraction direction) with respect to the end edge 55 of the stay 52.
  • the outer peripheral surface of the bump rubber 70 comes into contact with the inner peripheral surface 53 of the stay 52 over substantially the entire axial direction of the bump rubber 70 in the compressed state.
  • a state in which substantially the entire outer peripheral surface of the compressed bump rubber 70 comes into contact with the inner peripheral surface 53 of the stay 52 in the compression process of the bump rubber 70 is referred to as a fourth state.
  • the axial reaction force of the bump rubber 70 shifts from the state in which the restoring force due to bending deformation is dominant to the state in which the restoring force due to compression deformation is dominant around the fourth state, and the bump rubber
  • the elastic modulus of 70 increases.
  • the inner peripheral surface of the first half portion 70a of the bump rubber 70 is radially inside the bottom portion 77 of the recess 76.
  • the inner peripheral surfaces of the second half portion 70b approach each other in the axial direction, and the first end portion 71 and the second end portion 72 of the bump rubber 70 come into contact with each other.
  • the annular space inside the bottom 77 of the recess 76 existing in the fourth state is filled with the bump rubber 70, so that the elastic modulus of the bump rubber 70 increases.
  • the top portion 74 of the convex portion 73 of the bump rubber 70 and the bottom portion 77 of the concave portion 76 overlap each other when viewed from the radial direction. According to this configuration, when the bump rubber 70 is compressed in the axial direction, stress is concentrated on the bottom 77 of the recess 76 on the inner peripheral surface of the bump rubber 70 at the initial stage of the compression process, so that the bottom 77 of the recess 76 has a diameter. Displace outward in the direction.
  • the top portion 74 of the convex portion 73 overlapping the bottom portion 77 of the concave portion 76 when viewed in the radial direction is displaced outward in the radial direction and comes into contact with the stay 52. Therefore, since the bump rubber 70 is deformed while being guided by the stay 52, it is possible to suppress variations in the deformation mode of the bump rubber 70. Therefore, in the shock absorber 1 provided with the bump rubber 70, the deformation of the bump rubber 70 at the time of impact input can be stabilized. Further, since the deformation of the bump rubber 70 is stable, it is possible to suppress the entrainment of the bump rubber 70 in the surrounding members and improve the durability of the bump rubber 70.
  • the bump rubber 70 is deformed so that the inner peripheral surfaces are in contact with each other when compressed in the axial direction.
  • the bump rubber 70 in the axial compression process of the bump rubber 70, the bump rubber 70 can be deformed so that the bump rubber 70 bends from a bending point formed on the inner peripheral surface of the bump rubber.
  • the bump rubber is deformed so that substantially the entire surface bends. Therefore, according to the present embodiment, in the axial compression process of the bump rubber 70, the deformation mode of the bump rubber 70 can be changed before and after the state in which the inner peripheral surfaces start to come into contact with each other.
  • the elastic modulus in the axial direction of the bump rubber 70 can be changed before and after the state where the inner peripheral surfaces start to come into contact with each other.
  • the bump rubber 70 is deformed so that the contact area between the inner peripheral surfaces increases as it is compressed in the axial direction. According to this configuration, even after the bump rubber 70 begins to be deformed so as to be bent in the axial compression process of the bump rubber 70, the bump rubber can be deformed so that the bump rubber 70 is further bent. Therefore, the stroke of the shock absorber 1 accompanied by the compression of the bump rubber 70 can be secured as compared with the configuration in which the bump rubber does not bend in the compression process.
  • the bump rubber 70 can be compressed in the axial direction at least until the ends 71 and 72 in the axial direction come into contact with each other. According to this configuration, when the axial compression of the bump rubber 70 progresses, the axial ends 71 and 72 of the bump rubber 70 come into contact with each other, so that a further compressive load can be received. Become. Therefore, it is possible to reduce the feeling of bottoming out to the occupants and improve the riding comfort.
  • the entire bump rubber 70 fits in the locknut 32 side of the stay 52 in the axial direction rather than the end portion on the cylinder 10 side in the compressed state of the bump rubber 70. According to this configuration, the size of the stay 52 in the axial direction can be appropriately set.
  • the present invention is not limited to the above-described embodiment described with reference to the drawings, and various modifications can be considered within the technical scope thereof.
  • the present invention is applied to the hydraulic shock absorber provided in the rear suspension of the saddle-riding vehicle, but the present invention is not limited thereto.
  • the present invention may be applied to a hydraulic shock absorber provided in a front suspension.
  • the bump rubber 70 is supported by the locknut 32 from the side opposite to the cylinder 10, but the member that supports the bump rubber is not limited to the locknut.
  • the bump rubber may be supported by a member that is fixedly arranged in the axial direction with respect to the piston rod.
  • the bump rubber may be supported by the end face of the connecting member.
  • a shock absorber provided with a bump rubber

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Springs (AREA)

Abstract

L'invention concerne une structure de caoutchouc comprenant un caoutchouc de butée (70) qui est réalisé sous une forme cylindrique et qui est comprimé et déformé dans une direction axiale lorsqu'un tampon se dilate et se contracte, et une contrefiche (52) qui entoure le caoutchouc de butée (70) depuis l'extérieur dans une direction radiale. Une surface périphérique externe du caoutchouc de butée (70) est pourvue d'une protubérance unique (73) qui fait saillie vers l'extérieur dans la direction radiale et s'étend dans une direction circonférentielle. Une surface périphérique interne du caoutchouc de butée (70) est pourvue d'un évidement unique (76) qui est en retrait vers l'extérieur dans la direction radiale et s'étend dans la direction circonférentielle. La protubérance (73) vient en contact avec la contrefiche (52) lorsque le caoutchouc de butée (70) est comprimé dans la direction axiale. Une portion supérieure (74) de la protubérance (73) et une portion inférieure (77) de l'évidement (76) se chevauchent lorsqu'elles sont observées dans la direction radiale.
PCT/JP2021/020215 2020-07-07 2021-05-27 Structure de caoutchouc WO2022009551A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022534941A JP7301234B2 (ja) 2020-07-07 2021-05-27 ラバー構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020117193 2020-07-07
JP2020-117193 2020-07-07

Publications (1)

Publication Number Publication Date
WO2022009551A1 true WO2022009551A1 (fr) 2022-01-13

Family

ID=79552324

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/020215 WO2022009551A1 (fr) 2020-07-07 2021-05-27 Structure de caoutchouc

Country Status (2)

Country Link
JP (1) JP7301234B2 (fr)
WO (1) WO2022009551A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4310363A1 (fr) * 2022-07-12 2024-01-24 Günther Zimmer Système ressort-amortisseur avec butée de fin de course et véhicule à deux roues avec système ressort-amortisseur

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501554A (ja) * 1982-09-20 1984-08-30 フオ−ド　モ−タ−　カンパニ− 液圧−機械式ストツパを備えた緩衝器
US4747587A (en) * 1987-01-15 1988-05-31 Chrysler Motors Corporation Low profile suspension strut
US4804169A (en) * 1988-04-11 1989-02-14 Chrysler Motors Corporation Composite jounce bumper for vehicle suspension strut
JPH0253546U (fr) * 1988-10-12 1990-04-18
JP2013177935A (ja) * 2012-02-28 2013-09-09 Showa Corp 懸架装置およびカバー部材
JP2014199060A (ja) * 2013-03-29 2014-10-23 株式会社ショーワ 懸架装置およびカバー部材
JP5964200B2 (ja) * 2012-10-19 2016-08-03 Nok株式会社 リバウンドラバー

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735534U (fr) * 1980-08-07 1982-02-24
JPS6166236U (fr) * 1984-10-04 1986-05-07
US4805886A (en) 1988-04-11 1989-02-21 Chrysler Motors Corporation Jounce bumper assembly for vehicle suspension strut

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501554A (ja) * 1982-09-20 1984-08-30 フオ−ド　モ−タ−　カンパニ− 液圧−機械式ストツパを備えた緩衝器
US4747587A (en) * 1987-01-15 1988-05-31 Chrysler Motors Corporation Low profile suspension strut
US4804169A (en) * 1988-04-11 1989-02-14 Chrysler Motors Corporation Composite jounce bumper for vehicle suspension strut
JPH0253546U (fr) * 1988-10-12 1990-04-18
JP2013177935A (ja) * 2012-02-28 2013-09-09 Showa Corp 懸架装置およびカバー部材
JP5964200B2 (ja) * 2012-10-19 2016-08-03 Nok株式会社 リバウンドラバー
JP2014199060A (ja) * 2013-03-29 2014-10-23 株式会社ショーワ 懸架装置およびカバー部材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4310363A1 (fr) * 2022-07-12 2024-01-24 Günther Zimmer Système ressort-amortisseur avec butée de fin de course et véhicule à deux roues avec système ressort-amortisseur

Also Published As

Publication number Publication date
JP7301234B2 (ja) 2023-06-30
JPWO2022009551A1 (fr) 2022-01-13

Similar Documents

Publication Publication Date Title
US8191692B2 (en) Cylinder apparatus
US5257730A (en) Bound stopper for vehicle suspension having rubber and foam elastic bodies
US8800980B2 (en) Spring structure
US8740198B2 (en) Spring guide and cushion device
US11433725B2 (en) Bushing and vehicle suspension device
WO2022009551A1 (fr) Structure de caoutchouc
JP6224874B1 (ja) サスペンション
WO2018163462A1 (fr) Suspension
JP2006220162A (ja) 緩衝器
US5860666A (en) Structure of front fork for bicycle
JP2010223316A (ja) ショックアブソーバの取付部材
JP2007127173A (ja) バウンドストッパ
JP5651330B2 (ja) バンプクッション
US10780768B2 (en) Torque rod
JP2011020589A (ja) 車両用サスペンション装置
JP5112985B2 (ja) リバウンドスプリング
JP2009196574A (ja) サスペンション用アッパサポートとそれを用いた車両用サスペンション機構
WO2018092327A1 (fr) Amortisseur
US20240198749A1 (en) Hydro bushing
JP7199292B2 (ja) 緩衝装置
JPH0425632A (ja) サスペンション装置のマウント
JPS6237810Y2 (fr)
JP2006017192A (ja) シリンダ装置
JP2001116078A (ja) ストラットマウントおよびそれを用いたサスペンション機構
JP2024081340A (ja) リバウンドスプリングユニット、懸架装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21835944

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022534941

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21835944

Country of ref document: EP

Kind code of ref document: A1