WO2014069441A1 - 防振装置 - Google Patents
防振装置 Download PDFInfo
- Publication number
- WO2014069441A1 WO2014069441A1 PCT/JP2013/079223 JP2013079223W WO2014069441A1 WO 2014069441 A1 WO2014069441 A1 WO 2014069441A1 JP 2013079223 W JP2013079223 W JP 2013079223W WO 2014069441 A1 WO2014069441 A1 WO 2014069441A1
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- WIPO (PCT)
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- inner cylinder
- rubber elastic
- elastic body
- cylinder
- outer cylinder
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- 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
- F16F1/3876—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 by means of inserts of more rigid material
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- 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
- F16F1/371—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by inserts or auxiliary extension or exterior elements, e.g. for rigidification
Definitions
- the present invention relates to a vibration isolator in which a rubber elastic body is interposed between an inner cylinder and an outer cylinder, and an intermediate member is embedded in the rubber elastic body.
- the rubber bush includes an inner cylinder, an outer cylinder (attachment portion) spaced apart on the outer diameter side of the inner cylinder, a rubber elastic body that elastically connects the inner cylinder and the outer cylinder, and rubber elasticity It is comprised from the intermediate member (sleeve) embed
- the amount of deformation of the rubber elastic body at the both end portions of the rubber elastic body along the axial direction of the inner cylinder becomes the largest, and the portion with the larger deformation amount is the other part. Compared with this part, the secular change is large and the durability is likely to deteriorate.
- the present invention has been made in view of the above points, and when a twisting force is input, the rubber volume of the rubber elastic body can prevent distortion and improve durability compared to the conventional one.
- An object is to provide a vibration device.
- the present invention provides an inner cylinder, an outer cylinder spaced apart on the outer diameter side of the inner cylinder, and an inner cylinder interposed between the inner cylinder and the outer cylinder.
- a plurality of cut portions for connecting the rubber elastic body inside the intermediate member and the rubber elastic body outside the intermediate member are provided, and at least one of the plurality of cut portions is , And arranged so as to wrap around a region narrowed by two parallel virtual surfaces in contact with the outer peripheral surface of the inner cylinder.
- the rubber elastic body on the inner side of the intermediate member and the rubber elastic body on the outer side of the intermediate member are coupled (connected) via the cut portions located on both end sides along the axial direction of the outer cylinder. be able to.
- produces in the both ends along the axial direction of a rubber elastic body can be suppressed suitably.
- the present invention when a twisting force is input, it is possible to improve the durability by suppressing the compression strain (deformation amount) of the rubber elastic body as compared with the conventional case. As a result, in the present invention, it is possible to reduce the size of the vibration isolator and improve the vibration absorption performance.
- the plurality of cut portions may be arranged in a point-symmetrical position with the cut portion on one end side and the cut portion on the other end side having the center of the inner cylinder as the rotation center. If it does in this way, the connection site
- the plurality of cut portions may be arranged at positions facing each other on one end side of the outer cylinder, and may be arranged at positions facing each other on the other end side of the outer cylinder. If it does in this way, while the connection part of an inner side rubber elastic body and an outer side rubber elastic body can be arranged mutually opposed on the one end side of an outer cylinder, it can arrange mutually oppositely on the other end side of an outer cylinder. It is possible to further reduce the compressive strain and improve the durability.
- a cut portion is formed between protrusions adjacent to each other in the circumferential direction of the intermediate member, and the protrusion is disposed outside a region narrowed by two parallel virtual surfaces that are in contact with the outer peripheral surface of the inner cylinder. You may make it do. If it does in this way, it will become possible to displace an inner cylinder, without being disturbed by the projection part arranged outside a field, and the twisting force given from the inner cylinder side by the rubber elastic body provided in a cut-off part It can absorb suitably.
- the intermediate member it is possible to improve the ease of manufacturing the intermediate member by configuring the intermediate member as a single body or a plurality of divided bodies divided in the circumferential direction.
- the free length increasing portion has a depth that is recessed toward the inner diameter side.
- the free length can be increased.
- the movable space of the inner cylinder can be further increased and the twisting force can be suitably suppressed.
- the present invention provides an inner cylinder, an outer cylinder spaced apart on the outer diameter side of the inner cylinder, and the inner cylinder and the outer cylinder interposed between the inner cylinder and the outer cylinder.
- a rubber elastic body that is elastically coupled; and an intermediate member embedded in the rubber elastic body, the rubber elastic body being positioned at both ends along the axial direction of the outer cylinder and having a free length.
- a free length increasing portion for increasing is provided.
- the free length of the rubber elastic body can be increased by the thickness dimension of the intermediate member at the free length increasing portion located on both end sides along the axial direction of the rubber elastic body.
- the free length increasing portion the movable space of the inner cylinder is expanded, so that it is possible to suitably suppress the compressive strain and improve the durability.
- the free length refers to a distance in the radial direction between the inner cylinder and the outer cylinder.
- FIG. (A) is a top view of the rubber bush shown in FIG. 1
- (b) is a side view of the rubber bush shown in FIG.
- FIG. 3A is an axial cross-sectional view along the line AA in FIG. 2
- FIG. 3B is a cross-sectional view along the axial direction along the line BB in FIG.
- FIG. 5A is an axial cross-sectional view corresponding to FIG. 4A
- FIG. 5B is a cross-sectional view taken along the line CC of FIG. 4A.
- (A) is a perspective view of an intermediate plate constituting a rubber bush according to still another embodiment
- (b) is a cross-sectional view in the axial direction of the rubber bush.
- (A)-(c) is a top view which shows the modification of an intermediate
- the rubber bush 10 includes an inner cylinder 12, an outer cylinder 14, a rubber elastic body 16 and an intermediate plate (intermediate member) 18.
- the inner cylinder 12 is formed of a cylindrical body having a predetermined thickness with through holes 20 formed along the axial direction (see FIG. 4A).
- the outer diameter of the inner cylinder 12 is set to be constant from one end to the other end along the axial direction.
- the outer cylinder 14 is spaced apart from the outer diameter side of the inner cylinder 12.
- the outer cylinder 14 is formed of a cylindrical body in which a through hole 26 is formed along the axial direction and is formed to be relatively thinner than the inner cylinder 12. Moreover, the dimension along the axial direction of the outer cylinder 14 is formed shorter by a predetermined length than the dimension along the axial direction of the inner cylinder 12 (see FIG. 3).
- the rubber elastic body 16 is interposed between the inner cylinder 12 and the outer cylinder 14 to elastically connect the inner cylinder 12 and the outer cylinder 14.
- rubber rubber is injected between the outer peripheral surface of the inner cylinder 12 and the inner peripheral surface of the outer cylinder 14 by injecting molten rubber between the inner cylinder 12 and the outer cylinder 14 set in a mold (not shown). 16 is vulcanized and bonded.
- the rubber elastic body 16 is provided with a free length increasing portion 28 (see FIG. 4A). The free length increasing portion 28 will be described in detail later.
- the intermediate plate 18 is embedded in the rubber elastic body 16.
- the thickness of the inner rubber elastic body 16 a between the intermediate plate 18 and the inner cylinder 12 and the thickness of the outer rubber elastic body 16 b between the intermediate plate 18 and the outer cylinder 14 are reduced.
- Each is thinner than the case where the intermediate plate 18 is not provided.
- the spring constant in the axial direction of the inner cylinder 12 can be increased. Further, the torsional force between the inner cylinder 12 and the outer cylinder 14 can be suppressed.
- the intermediate plate 18 is disposed between the inner cylinder 12 and the outer cylinder 14. As shown in FIG. 5, the intermediate plate 18 of the present embodiment is configured by two divided bodies 19 having the same shape. The two divided bodies 19 are arranged to face each other with the inner cylinder 12 (not shown) therebetween. Each divided body 19 is substantially H-shaped in plan view (see FIG. 3A), and the strips 30, 30 extending in a strip shape along the axial direction of the inner cylinder 12, A coupling portion 32 having an arcuate cross section that extends along the axial direction and couples the belt-shaped portions 30 to each other is provided. The coupling portion 32 is completely embedded in the rubber elastic body 16 and is not exposed to the outside of the rubber elastic body 16.
- a protruding portion 34 that is not covered with the rubber elastic body 16 and protrudes toward the outside is provided.
- the protrusion 34 forms one end and the other end of the intermediate plate 18 along the axial direction.
- the projecting portion 34 functions as a holding and fixing portion that holds and fixes the intermediate plate 18 when the intermediate plate 18 is set in a cavity of a mold (not shown).
- Each divided body 19 is located on both end sides along the axial direction of the outer cylinder 14, and couples an inner rubber elastic body (inner rubber elastic body) 16a and an outer rubber elastic body (outer rubber elastic body) 16b.
- a cut portion 36 is provided.
- the rubber volume of the rubber elastic body 16 is increased as compared with the prior art, and the inner rubber elastic body 16 a
- the outer rubber elastic body 16b is connected (coupled). Note that the gap formed between the band-shaped portion 30 of one divided body 19 and the band-shaped portion 30 of the other divided body 19 is not the cut portion 36.
- the portion located in the cut portion 36 becomes a free length increasing portion 28.
- the inner rubber elastic body 16a and the outer rubber elastic body 16b are continuous, and the inner rubber elastic body 16a and the outer rubber elastic body 16b are not separated by the intermediate plate 18.
- the free length increasing portion 28 is a portion formed only of rubber with no intermediate plate 18 interposed therebetween, and is located on both end sides along the axial direction of the rubber elastic body 16, and the outer peripheral surface of the inner cylinder 12.
- the outer cylinder 14 is bonded to the inner peripheral surface.
- the separation distance between the outer peripheral surface of the inner cylinder 12 and the inner peripheral surface of the outer cylinder 14 becomes the free length F, and the free length F is increased by the thickness dimension of the intermediate plate 18 as compared with the conventional case. Can be made. It should be noted that since the portion other than the free length increasing portion 28 is divided by the intermediate plate 18, the free length is smaller than the free length F. That is, the “free length” means a space in which the rubber elastic body 16 is movable between the inner cylinder 12 and the outer cylinder 14 at both ends along the axial direction of the rubber elastic body 16. This is the radial separation distance between the outer diameter and the inner diameter of the outer cylinder 14 (see FIG. 4A).
- the plurality of cut portions 36 respectively formed in the two divided bodies 19 are arranged so as to overlap with a region S narrowed by two parallel virtual surfaces T1 and T2 that are in contact with the outer peripheral surface of the inner cylinder 12. (See FIG. 4B).
- two cutout portions 36 and 36 appear, but when two parallel virtual surfaces T1 and T2 in contact with the outer peripheral surface of the inner cylinder 12 are set, this Two cut-out portions 36 and 36 are overlapped (overlapped) in a region S narrowed by the two virtual surfaces T1 and T2.
- the positional relationship between the region S and the cut portion 36 includes, for example, the case where the entire cut portion 36 is located within the region S narrowed by the virtual surfaces T1 and T2, for example, the whole region S is cut.
- the cut portion 36 may protrude from the region S, and at least a portion of the cut portion 36 may be located in the region S (in other words, the protrusion 34 has Some may be within region S).
- both of the two cutout portions 36 and 36 are arranged so as to overlap the region S, but at least one cutout portion 36 is narrowed by the virtual planes T1 and T2. It is good to arrange so that it may wrap with S.
- the two cutout portions 36, 36 are within the region S1 narrowed by two parallel virtual surfaces T3, T4 that are in contact with the inner peripheral surface of the inner cylinder 12. You may arrange
- the protrusion 34 may be extended until just before entering the region S1, or a part of the protrusion 34 may be formed so as to enter the region S1.
- the two cut portions 36, 36 may be arranged so as to be included in the region S2 narrowed by the two virtual surfaces T5, T6 that pass through the center O of the inner cylinder 12 and are orthogonal to each other. Good.
- the protrusion 34 may extend until just before entering the region S2, or a part of the protrusion 34 may be formed so as to enter the region S2.
- each cut portion 36 in which the rubber volume of the rubber elastic body 16 is increased may be formed so as to obtain a desired effect of suppressing the compressive strain as compared with the conventional case.
- the plurality of cut portions 36 have a cut portion 36 on one end side along the axial direction and a cut portion 36 on the other end side in the center O of the inner cylinder 12 (see FIGS. 4B and 7). Is arranged at a point-symmetrical position with respect to the rotation center (see FIGS. 4A and 7). That is, a cut portion 36 formed in one divided body 19 on one end side along the axial direction of the outer cylinder 14 and a cut portion 36 formed in the other divided body 19 on the other end side are formed in the inner cylinder. Twelve centers O are arranged at point-symmetric positions with the center of rotation as the center of rotation.
- the connecting portion (free length increasing portion 28) of the inner rubber elastic body 16a and the outer rubber elastic body 16b is disposed at a point-symmetrical position. Can do. As a result, the twisting force applied to the inner cylinder 12 can be suitably suppressed.
- the plurality of cut portions 36 respectively formed in the two divided bodies 19 are arranged at positions facing each other on one end side and the other end side along the axial direction of the outer cylinder 14 (FIG. 2, FIG. 2). 3 (a)). That is, at one end side (or the other end side) along the axial direction of the outer cylinder 14, a cut portion 36 formed in one divided body 19 and a cut portion 36 formed in the other divided body 19 are provided. It arrange
- Each cut portion 36 is formed to have a substantially rectangular shape in plan view (see FIG. 3A), but is not limited thereto as described later.
- the cut portion 36 is formed between the protruding portions 34 of the intermediate plate 18 adjacent to each other in the circumferential direction (see FIG. 5), and the protruding portion 34 is a region narrowed by the two virtual surfaces T1 and T2. It is arranged outside S. That is, by arranging the protruding portion 34 outside the region S narrowed by the two virtual surfaces T1 and T2, as shown in FIG. 4B, the cut portion 36 is perpendicular to the virtual surfaces T1 and T2.
- the width dimension (L1) when projected onto a flat surface (a surface orthogonal to the paper surface) can be set to a length equal to or greater than the outer diameter (L2) of the inner cylinder 12 (L1 ⁇ L2).
- the rubber bush 10 according to the present embodiment is basically configured as described above, and the operation and effects thereof will be described next.
- a torsional force is generated by the force in the vehicle front-rear direction and the frictional force in the vehicle width direction from the road surface against the centrifugal force (see FIG. 7).
- the inner cylinder 12 swings along the arrow direction in FIG. 7 by this twisting force, so that both end sides of the rubber elastic body 16 interposed between the inner cylinder 12 and the outer cylinder 14 are compressed and deformed.
- the plurality of cut portions 36 respectively formed in the two divided bodies 19 overlap with the region S narrowed by two parallel virtual surfaces T1 and T2 that are in contact with the outer peripheral surface of the inner cylinder 12. (See FIG. 4 (b)), the inner rubber elastic body 16a and the outer rubber elastic body 16b are coupled (connected) via a cut-off portion 36 formed in the divided body 19 to have a free length.
- the increase part 28 can be formed. Since the free length increasing portion 28 is formed, a deformation allowance of the rubber elastic body 16 can be secured, and accordingly, compressive strain generated at both end portions along the axial direction of the rubber elastic body 16 is suitably used. Can be suppressed.
- the rubber bush 10 when a twisting force is input, it is possible to improve the durability by suppressing the compression strain (deformation amount) of the rubber elastic body 16 as compared with the conventional case. As a result, in the present embodiment, the rubber bush 10 can be downsized and the vibration absorption performance can be improved.
- the free length F can be increased by the thickness dimension of the intermediate plate 18 in the free length increasing portion 28 located on both end sides along the axial direction of the rubber elastic body 16.
- the free length increasing portion 28 since the movable space of the inner cylinder 12 is expanded, it is possible to suitably suppress the compressive strain and improve the durability.
- the rubber bush 10 can be downsized and the vibration absorption performance can be improved.
- the cut part 36 formed in the one divided body 19 at the one end side along the axial direction of the outer cylinder 14 and the cut part formed in the other divided body 19 at the other end side. 36 are arranged at point-symmetrical positions with the center O of the inner cylinder 12 as the center of rotation.
- the connecting portion (free length increasing portion 28) of the inner rubber elastic body 16a and the outer rubber elastic body 16b is point symmetric. It can be a position.
- the twisting force applied to the inner cylinder 12 can be suitably suppressed.
- the cut portions 36 are arranged at positions facing each other on one end side along the axial direction of the outer cylinder 14, and the cut portions 36 are arranged at positions facing each other on the other end side.
- the divided body 19 can be easily manufactured by configuring the intermediate plate 18 with the two divided bodies 19.
- illustration is abbreviate
- the inner cylinder 12 is set to have a constant outer diameter (see FIG. 4A), but is not limited to this.
- the inner cylinder 12 is set to have a constant outer diameter (see FIG. 4A), but is not limited to this.
- the pair of reduced diameter portions 22 and 22 are continuous in the circumferential direction of the inner cylinder 12a.
- a pair of reduced diameter portions 22 that are recessed toward the inner diameter side compared to other outer peripheral surfaces on the outer peripheral surfaces on both sides along the axial direction of the inner cylinder 12a. , 22 are provided. Between the pair of diameter-reduced portions 22, 22, there is provided a diameter-expanded portion 24 that bulges outward in the radial direction compared to the other outer peripheral surface.
- the pair of reduced diameter portions 22 and 22 are respectively covered with the rubber elastic body 16, and the length E along the axial direction from one reduced diameter portion 22 to the other reduced diameter portion 22 is the axis of the rubber elastic body 16. It is set to be approximately the same as the width dimension G along the direction (E ⁇ G).
- the depth corresponding to the depth of depression toward the inner diameter side is free.
- the free length F in the length increasing part 28 can be further increased.
- the movable space of the inner cylinder 12a can be further increased, and the twisting force can be suitably suppressed.
- the present invention for example, a case where the present invention is applied to the rubber bush 10 attached to the suspension is described as an example.
- the present invention is not limited to this.
- an unillustrated engine mount or liquid seal engine is used. It can also be applied to mounting and the like.
- FIG. 8 is a perspective view of a rubber bush according to another embodiment of the present invention
- FIG. 9A is an axial sectional view corresponding to FIG. 4A
- FIG. FIG. 10 is a perspective view of an intermediate plate made of a single cylindrical body, taken along the line CC.
- the intermediate plate 18 is constituted by the divided body 19, whereas in the rubber bush 100 according to another embodiment shown in FIG. 8, the intermediate plate 102 is a single cylindrical body ( It is different in that it is composed of a single body.
- the intermediate plate 102 includes a cylindrical plate body 104 and a projecting portion 34 that projects from the plate body 104 along the axial direction.
- by configuring the intermediate plate 102 as a single cylindrical body positioning in a mold cavity (not shown) and component management can be simplified.
- the other effect is the same as the said embodiment, the detailed description is abbreviate
- FIG. 11 (a) is a perspective view of an intermediate plate constituting a rubber bush according to still another embodiment
- FIG. 11 (b) is a cross-sectional view in the axial direction of the rubber bush according to still another embodiment.
- a single cut portion 36 is formed on each of one end side and the other end side along the axial direction of the divided body 19, whereas a rubber according to still another embodiment is formed.
- the divided body 19a constituting the intermediate plate 18 of the bush 200 is different in that a plurality of cut portions 36 (four cut portions 36 are illustrated in FIGS. 11A and 11B) are formed. ing.
- the plurality of cut portions 36 formed in one divided body 19a are narrowed by two parallel virtual surfaces T1 and T2 that are in contact with the outer peripheral surface of the inner cylinder 12. It arrange
- the intermediate plate 18 shown in FIG. 11 is configured by two divided bodies 19a, but a single cylinder in which a total of eight cut portions 36 are formed on one side or the other side along the axial direction. It may be composed of a body.
- the intermediate plate 18a according to the first modification shown in FIG. 12 (a) is one side located diagonally in the intermediate plate 18 (see FIG. 3 (a)) having an H shape in plan view. This is different in that it is formed in a shape that is not provided with the protrusion 34 on the other side on the opposite side of the protrusion 34.
- the intermediate plate 18a is inserted into a mold cavity (not shown) and vulcanized and bonded, the intermediate plate 18a is fixed at two upper and lower points including a pair of projecting portions 34 positioned diagonally.
- the intermediate plate 18b according to the second modification shown in FIG. 12B is a protrusion on one side of the pair of protrusions 34, 34 positioned diagonally in the intermediate plate 18a according to the first modification. It is different in that it is formed in a shape in which 34 is left as it is and the other side protruding portion 34 is not provided. When vulcanizing and bonding, the intermediate plate 18b is cantilevered by the remaining protrusion 34 on the other side.
- An intermediate plate 18c according to a third modification shown in FIG. 12C is configured by attaching a pair of fixing jigs 23 to an intermediate plate body 21 made of a cylindrical body.
- the intermediate plate 18c provided with the fixing jig 23 is inserted into a cavity of a mold (not shown) and vulcanized and bonded.
- the intermediate plate 18a according to the first modified example and the intermediate plate 18b according to the second modified example may be either a single body or a plurality of divided bodies.
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Abstract
Description
12、12a 内筒
14 外筒
16 ゴム弾性体
16a 内側ゴム弾性体(内側のゴム弾性体)
16b 外側ゴム弾性体(外側のゴム弾性体)
18、18a~18c、102 中間プレート(中間部材)
19、19a 分割体
22 縮径部
28 自由長増大部
36 切損部
S、S1、S2 領域
T1~T6 仮想面
L1 切損部を仮想面に垂直な面に投影したときの幅寸法
L2 内筒の外径
O 内筒の中心
F 自由長
Claims (8)
- 内筒と、
前記内筒の外径側に離間配置された外筒と、
前記内筒と前記外筒との間に介装されて前記内筒と前記外筒とを弾性的に連結するゴム弾性体と、
前記ゴム弾性体内に埋設される中間部材と、
を備え、
前記中間部材には、前記外筒の軸方向に沿った両端側に位置し、前記中間部材の内側の前記ゴム弾性体と前記中間部材の外側の前記ゴム弾性体とを結合させるための複数の切損部が設けられ、
前記複数の切損部の少なくとも一つは、前記内筒の外周面に接する平行な二つの仮想面に狭まれる領域とラップするように配置されることを特徴とする防振装置。 - 請求項1の防振装置において、
前記複数の切損部は、一端側の前記切損部と他端側の前記切損部とが前記内筒の中心を回転中心として点対称位置に配置されることを特徴とする防振装置。 - 請求項1記載の防振装置において、
前記複数の切損部は、前記外筒の一端側において相互に対向する位置に配置されると共に、前記外筒の他端側において相互に対向する位置に配置されることを特徴とする防振装置。 - 請求項1乃至請求項3のいずれか1項記載の防振装置において、
前記中間部材には、軸方向に沿った一端部及び他端部を形成する複数の突出部が設けられ、
前記切損部は、周方向で互いに隣接する前記突出部の間に形成され、
前記突出部は、前記領域の外側に配置されることを特徴とする防振装置。 - 請求項1記載の防振装置において、
前記中間部材は、単一体であり、又は、周方向に分割された複数の分割体であることを特徴とする防振装置。 - 請求項1記載の防振装置において、
前記内筒の外周面には、他の外径面と比較して内径側に向かって窪む一対の縮径部が設けられることを特徴とする防振装置。 - 請求項6記載の防振装置において、
前記一対の縮径部は、それぞれ、前記ゴム弾性体によって被覆されていることを特徴とする防振装置。 - 内筒と、
前記内筒の外径側に離間配置された外筒と、
前記内筒と前記外筒との間に介装されて前記内筒と前記外筒とを弾性的に連結するゴム弾性体と、
前記ゴム弾性体内に埋設される中間部材と、
を備え、
前記ゴム弾性体には、前記外筒の軸方向に沿った両端側に位置し、自由長を増大させる自由長増大部が設けられることを特徴とする防振装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201380056816.XA CN104755791B (zh) | 2012-11-02 | 2013-10-29 | 防振装置 |
DE112013005260.1T DE112013005260T5 (de) | 2012-11-02 | 2013-10-29 | Vorrichtung zur Schwingungsdämpfung |
US14/439,418 US9719570B2 (en) | 2012-11-02 | 2013-10-29 | Vibration-damping device |
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Application Number | Priority Date | Filing Date | Title |
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JP2012242995A JP6054707B2 (ja) | 2012-11-02 | 2012-11-02 | 防振装置 |
JP2012-242995 | 2012-11-02 |
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WO2014069441A1 true WO2014069441A1 (ja) | 2014-05-08 |
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US (1) | US9719570B2 (ja) |
JP (1) | JP6054707B2 (ja) |
CN (1) | CN104755791B (ja) |
DE (1) | DE112013005260T5 (ja) |
WO (1) | WO2014069441A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6431380B2 (ja) * | 2015-01-13 | 2018-11-28 | 株式会社ブリヂストン | 防振装置 |
US20170350913A1 (en) * | 2016-06-03 | 2017-12-07 | Green Power Monitoring Systems, Inc. | Suspension System |
DE102016215735A1 (de) * | 2016-08-23 | 2018-03-01 | Contitech Vibration Control Gmbh | Buchse |
US9670964B1 (en) * | 2016-08-31 | 2017-06-06 | Dana Automotive Systems Group, Llc | Damper on constant velocity joint tube seat |
US10619615B2 (en) * | 2017-10-03 | 2020-04-14 | Polaris Industries Inc. | Crankcase mounts and reinforced rubber in mount on force vector |
CN110397691A (zh) * | 2018-04-25 | 2019-11-01 | 上海汽车集团股份有限公司 | 一种底盘衬套 |
JP7094199B2 (ja) * | 2018-10-26 | 2022-07-01 | Toyo Tire株式会社 | 防振ブッシュ |
JP7165091B2 (ja) * | 2019-03-29 | 2022-11-02 | 住友理工株式会社 | 防振ブッシュ |
KR20210010205A (ko) * | 2019-07-19 | 2021-01-27 | 현대자동차주식회사 | 튜닝 자유도 개선형 부시 및 현가 시스템 |
US11794828B2 (en) | 2020-06-30 | 2023-10-24 | Soucy International Inc. | Pivot assembly for a ground-contacting wheel assembly |
JP2024048898A (ja) * | 2022-09-28 | 2024-04-09 | 住友理工株式会社 | 筒形防振装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01111835U (ja) * | 1988-01-25 | 1989-07-27 | ||
JPH05248466A (ja) * | 1992-03-10 | 1993-09-24 | Hokushin Ind Inc | ブッシュ |
JPH0571479U (ja) * | 1992-03-02 | 1993-09-28 | 東洋ゴム工業株式会社 | 自動車用ブッシュ |
JPH0622639U (ja) * | 1992-08-26 | 1994-03-25 | 東海ゴム工業株式会社 | 防振ブッシュ |
JP2012072794A (ja) * | 2010-09-28 | 2012-04-12 | Tokai Rubber Ind Ltd | 防振ブッシュ |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB532393A (en) * | 1939-07-21 | 1941-01-23 | Silentbloc | Improvements in or relating to flexible joints |
US3147963A (en) * | 1961-12-12 | 1964-09-08 | Dayton Steel Foundry Co | Equalizer bushing |
FR2126016A5 (ja) * | 1971-02-20 | 1972-09-29 | Jorn Raoul | |
JPS58102845U (ja) * | 1981-12-29 | 1983-07-13 | トヨタ自動車株式会社 | サスペンシヨンア−ムのブツシユ組立体 |
JPS6122944U (ja) * | 1984-07-16 | 1986-02-10 | トヨタ自動車株式会社 | ブッシュ組立体 |
US4744677A (en) * | 1984-11-27 | 1988-05-17 | Tokai Rubber Industries, Ltd. | Bush assemblage |
JPH01111835A (ja) | 1987-10-26 | 1989-04-28 | Kobe Steel Ltd | 冷間加工用低強度・高延性Ti合金 |
US5090878A (en) | 1991-01-14 | 1992-02-25 | Carrier Corporation | Non-circular orbiting scroll for optimizing axial compliancy |
JP2542310B2 (ja) | 1992-05-13 | 1996-10-09 | 剱蔵 岩田 | 籾米の貯蔵方法 |
JPH08219210A (ja) | 1995-02-13 | 1996-08-27 | Tokai Rubber Ind Ltd | 防振支持体 |
DE10241246B4 (de) * | 2002-09-06 | 2005-02-10 | ZF Lemförder Metallwaren AG | Elastisches Gummilager |
DE10258986B4 (de) * | 2002-12-16 | 2005-07-14 | ZF Lemförder Metallwaren AG | Elastisches Fahrwerklager für Nutzfahrzeuge |
JP4211552B2 (ja) | 2003-09-29 | 2009-01-21 | トヨタ自動車株式会社 | ブッシュ構造 |
DE102004045064A1 (de) * | 2004-09-15 | 2006-03-30 | Zf Friedrichshafen Ag | Elastomerlager |
JP4170971B2 (ja) | 2004-09-22 | 2008-10-22 | 東洋ゴム工業株式会社 | 取付け対象部材の圧入孔への防振ブッシュの圧入方法 |
JP4382822B2 (ja) | 2007-01-11 | 2009-12-16 | 本田技研工業株式会社 | 筒形防振装置 |
US8505889B2 (en) * | 2007-01-22 | 2013-08-13 | Toyo Tire & Rubber Co., Ltd. | Vibration-isolating bush |
DE102007037111A1 (de) * | 2007-08-07 | 2009-02-26 | Woco Avs Gmbh | Elastisches Lager |
CN102470721B (zh) * | 2010-01-29 | 2014-06-18 | 东海橡塑工业株式会社 | 车辆用稳定器衬套 |
JP6006290B2 (ja) * | 2012-02-15 | 2016-10-12 | 本田技研工業株式会社 | ブッシュ |
-
2012
- 2012-11-02 JP JP2012242995A patent/JP6054707B2/ja active Active
-
2013
- 2013-10-29 CN CN201380056816.XA patent/CN104755791B/zh active Active
- 2013-10-29 US US14/439,418 patent/US9719570B2/en active Active
- 2013-10-29 DE DE112013005260.1T patent/DE112013005260T5/de not_active Withdrawn
- 2013-10-29 WO PCT/JP2013/079223 patent/WO2014069441A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01111835U (ja) * | 1988-01-25 | 1989-07-27 | ||
JPH0571479U (ja) * | 1992-03-02 | 1993-09-28 | 東洋ゴム工業株式会社 | 自動車用ブッシュ |
JPH05248466A (ja) * | 1992-03-10 | 1993-09-24 | Hokushin Ind Inc | ブッシュ |
JPH0622639U (ja) * | 1992-08-26 | 1994-03-25 | 東海ゴム工業株式会社 | 防振ブッシュ |
JP2012072794A (ja) * | 2010-09-28 | 2012-04-12 | Tokai Rubber Ind Ltd | 防振ブッシュ |
Also Published As
Publication number | Publication date |
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JP2014092218A (ja) | 2014-05-19 |
DE112013005260T5 (de) | 2015-10-01 |
US9719570B2 (en) | 2017-08-01 |
JP6054707B2 (ja) | 2016-12-27 |
CN104755791A (zh) | 2015-07-01 |
US20150300436A1 (en) | 2015-10-22 |
CN104755791B (zh) | 2016-12-21 |
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