US20160303938A1 - Bracket - Google Patents

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Publication number
US20160303938A1
US20160303938A1 US15/051,159 US201615051159A US2016303938A1 US 20160303938 A1 US20160303938 A1 US 20160303938A1 US 201615051159 A US201615051159 A US 201615051159A US 2016303938 A1 US2016303938 A1 US 2016303938A1
Authority
US
United States
Prior art keywords
portions
bushing
pair
bracket
stabilizer bar
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.)
Abandoned
Application number
US15/051,159
Other languages
English (en)
Inventor
Satoshi Uchida
Takaomi KONDO
Masaki SHIRASHIGE
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA reassignment TOYOTA JIDOSHA KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KONDO, TAKAOMI, SHIRASHIGE, MASAKI, UCHIDA, SATOSHI
Publication of US20160303938A1 publication Critical patent/US20160303938A1/en
Priority to US15/908,118 priority Critical patent/US10661627B2/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • 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
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B60G2202/135—Stabiliser bar and/or tube
    • 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
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser 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
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings

Definitions

  • the following disclosure relates to a bracket used for mounting of a stabilizer bar on a vehicle body via a bushing.
  • Patent Documents 1-4 disclose stabilizer-bar mounting devices (hereinafter simply referred to as “bar mounting devices”) including: a bushing for holding a stabilizer bar; and a bracket used for mounting of the bushing on a vehicle-body-side component.
  • Patent Document 1 Japanese Patent Application Publication No. 2014-210534 discloses a bar mounting device including (i) a bushing (see FIGS. 5 and 7 ) having a protruding portions formed on a pair of side surfaces of the bushing and (ii) a bracket having a flange portion and a recessed portion for accommodating the bushing.
  • the bushing has interferences in an up and down direction and a front and rear direction of a vehicle.
  • Patent Document 1 also discloses a bar mounting device that includes a bracket (see FIG. 9 ) having a gradually-broaden guide portion formed in an opening of a recessed portion of the bushing. In this bar mounting device, the bushing can be easily inserted into the recessed portion in mounting.
  • Patent Document 2 Japanese Patent Application Publication No. 2014-084061 discloses a bar mounting device including a bushing having a through hole in which a stabilizer bar is to be inserted, and the through hole has a lower small-diameter portion and an upper large-diameter portion. Since the lower portion of the through hole has a small diameter, it is possible to well reduce lowering of surface pressures acting on a lower portion of the stabilizer bar, leading to uniform surface pressures.
  • Patent Document 2 also discloses a bar mounting device including a rigid component (see FIG. 11 ) provided between the bushing and a vehicle body. This rigid component suppresses a downward flow of an elastic material of the bushing, making it possible to reduce lowering of the surface pressures acting on the lower portion of the stabilizer bar.
  • Patent Document 3 Japanese Patent Application Publication No. 2013-060196 discloses a bar mounting device including: a bushing; flange portions respectively provided at opposite end portions of the bushing in its axial direction; and a bracket (see FIG. 9 ) to be fitted between these flange portions. This construction reduces relative movement of the bushing and the bracket in the axial direction.
  • Patent Document 4 Japanese Patent Application Publication No. 2008-2077078 discloses a bar mounting device including a bushing that includes: a protruding portion provided at an intermediate portion of the bushing in its axial direction; and a stopper provided on one end portion of the bushing. A bracket is mounted in a state in which the bracket is held in contact with the stopper and fitted on the protruding portion of the bushing.
  • an aspect of the disclosure relates to a bracket capable of achieving uniform surface pressures acting on a stabilizer bar.
  • a bracket in one aspect of the disclosure, includes a narrowed portion provided at a position nearer to an opening than an intermediate portion of a recessed portion for accommodating a bushing.
  • FIG. 9 in the present application illustrates one example of a conventional bar mounting device.
  • the bar mounting device includes (i) a cylindrical bushing 102 having a generally semicircular shape in cross section and having a central portion formed with a through hole 100 and (ii) a bracket 108 having (a) a recessed portion 104 for accommodating the bushing 102 and (b) a pair of flange portions 106 respectively provided on opposite sides of the recessed portion 104 .
  • the stabilizer bar is mounted on a vehicle-body-side component 110 by securing the pair of flange portions 106 to vehicle-body-side component 110 in a state in which the stabilizer bar is inserted in the through hole 100 of the bushing 102 , and the bushing 102 is accommodated in the recessed portion 104 of the bracket 108 .
  • a direction of a normal line n to a mounting surface of the vehicle-body-side component 110 coincides with an up and down direction of a vehicle.
  • a direction parallel with an axis p of the stabilizer bar coincides with a widthwise direction of the vehicle.
  • a direction perpendicular to the up and down direction and the widthwise direction coincides with a front and rear direction or a longitudinal direction of the vehicle.
  • the bushing 102 has upper and lower interferences.
  • a large surface pressure is applied to the stabilizer bar in the up and down direction in the state in which the stabilizer bar is mounted on the vehicle-body-side component 110 .
  • the bushing 102 is compressed at its upper portion by the recessed portion 104 of the bracket 108 but is compressed at its lower portion by the mounting surface (i.e., a flat surface) of the vehicle-body-side component 110 .
  • a surface pressure applied to an upper portion of the stabilizer bar differs from a surface pressure applied to a lower portion of the stabilizer bar.
  • small surface pressures fa, fb are respectively applied to portions A of the lower portion of the stabilizer bar which are enclosed by one-dot chain lines in FIG. 9 . Accordingly, in the case where the stabilizer bar is bonded to the bushing 102 , adhesiveness of the stabilizer bar and the bushing 102 lowers. In the case where the stabilizer bar and the bushing 102 are not bonded to each other, the through hole 100 is more easily opened.
  • a bracket comprising:
  • a mount portion to be mounted on a vehicle-body-side component, on which a stabilizer bar is to be mounted via the bushing
  • the recessed portion comprises a pair of opposed portions opposed to each other
  • the pair of opposed portions comprise an intermediate portion and a portion nearer to an opening than the intermediate portion, and a distance between the pair of opposed portions is less at the portion nearer to the opening than at the intermediate portion.
  • the portion of the pair of opposed portions which is nearer to the opening than the intermediate portion has a portion at which the distance between the pair of opposed portions is less than that at the intermediate portion.
  • a narrowed portion is constituted by at least a portion of the portion at which the distance between the pair of opposed portions is less than that at the intermediate portion.
  • each of the pair of opposed portions is shaped so as to be bent inwardly between the intermediate portion and an open end of the recessed portion.
  • pair of opposed portions respectively comprise a pair of inwardly inclined portions at the portion nearer to the opening than the intermediate portion
  • the distance between the inwardly inclined portions may decrease in a curved fashion and may decrease linearly.
  • the pair of outwardly inclined portions define the shape of the opening of the recessed portion to a gradually broaden shape, in other words, a tapered shape. This shape allows the bushing to be easily inserted into the recessed portion of the bracket.
  • a pair of inwardly protruding portions each protruding to the most inward position are formed between the pair of inwardly inclined portions and the pair of outwardly inclined portions.
  • the narrowed portion is constituted by the pair of inwardly protruding portions and at least a portion of the inwardly inclined portions (which includes a portion of the inwardly inclined portions near the inwardly protruding portions), for example.
  • the narrowed portion is preferably provided at a position nearer to the vehicle-body-side component than a line of intersection of each of the pair of opposed portions and a plane containing the diameter of the stabilizer bar.
  • the narrowed portion is more preferably provided near a line of intersection of each of the pair of opposed portions and a tangent plane to the stabilizer bar near the vehicle-body-side component (in other words, the narrowed portion is more preferably provided within a set range containing the line of intersection of each of the pair of opposed portions and the tangent plane).
  • the narrowed portion is more preferably provided at a position nearer to the vehicle-body-side component than the line of intersection.
  • the bushing can be well compressed by the flat plate portions.
  • a stabilizer-bar mounting device comprising:
  • the bushing is a cylindrical member comprising a through hole extending in an axial direction of the bushing
  • the bushing comprises: a pair of side surfaces opposed to each other; and a pair of recessed portions formed near a line of intersection of each of the pair of side surfaces and a tangent plane to the through hole.
  • the pair of recessed portions opposed to the narrowed portion of the bracket have a cross-sectional shape which is generally formed by cutting out portions of the pair of side surfaces of the bushing.
  • the recessed portion is preferably provided at a position nearer to a vehicle-body-side component than a line of intersection of each of the pair of side surfaces and a plane containing the diameter of the through hole.
  • the recessed portion is more preferably provided near the line of intersection of each of the pair of side surfaces and the tangent plane to the through hole (in other words, within a set range containing the line of intersection) or provided at a position farther from the through hole than the line of intersection.
  • a bushing as a cylindrical member, comprising:
  • pair of recessed portions are formed within a set range containing a line of intersection of each of the pair of side surfaces and a tangent plane to the through hole.
  • the present bushing is suitable for use with the bracket according to any one of the forms (1) through (6).
  • FIG. 1 is a perspective view illustrating a situation in which a stabilizer bar is mounted on a vehicle body via a bushing by a bar mounting device including a bracket according to a first embodiment
  • FIG. 2 is a plan view of the bracket
  • FIG. 3 is a cross-sectional of the bracket ( FIG. 3 is a cross-sectional view taken along line in FIG. 2 );
  • FIG. 4 is a cross-sectional view of the bushing of the bar mounting device
  • FIG. 5 is a view for explaining mounting of the stabilizer bar in the bar mounting device
  • FIG. 6 is a cross-sectional view of the bar mounting device
  • FIG. 7 is a plan view of a bar mounting device according to a bracket according to a second embodiment.
  • FIG. 8 is a cross-sectional view of the bar mounting device ( FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 7 );
  • FIG. 9 is a cross-sectional view of a conventional bar mounting device.
  • the stabilizer-bar mounting device (hereinafter simply referred to as “bar mounting device”) 1 is used for mounting a stabilizer bar 2 onto a vehicle-body-side component 4 , e.g., a suspension member, on a torsion bar.
  • the bar mounting device 1 includes a bracket 6 according to one embodiment, and a bushing 8 .
  • the bracket 6 includes a recessed portion 10 and a pair of flange portions 12 a, 12 b which are formed on opposite sides of the recessed portion 10 as mount portions.
  • the bracket 6 may have a cross-sectional shape which is generally formed by bending a metal plate.
  • the flange portions 12 a, 12 b respectively have mounting holes 14 a, 14 b and are mounted on a vehicle-body-side component 4 by a fastening device 16 which may include bolts and nuts, for example.
  • a direction parallel with an axis p of the stabilizer bar 2 is defined as an X direction (hereinafter may be referred to as “axial direction”).
  • a direction parallel with a normal line n to a mounting surface 4 f of the vehicle-body-side component 4 is defined as a Z direction.
  • a direction perpendicular to the X direction and the Z direction is defined as “Y direction”.
  • the X direction coincides with a widthwise direction of a vehicle, but each of the Y direction and the Z direction is determined depending upon a direction of the normal line n to the mounting surface 4 f of the vehicle-body-side component 4 .
  • the stabilizer bar 2 is mounted by the bar mounting device 1 in a state in which the Y direction coincides with a front and rear direction or a longitudinal direction of the vehicle, and the Z direction coincides with an up and down direction.
  • the bracket 6 has a generally “ ⁇ .” shape in cross section.
  • the recessed portion 10 includes a pair of opposed portions 20 a, 20 h which are opposed to each other. A distance between the pair of opposed portions 20 a, 20 b is increased in a curved fashion from the top of the bracket 6 toward the flange portions 12 a, 12 b, then kept constant, then decreased, and finally increased.
  • Portions of the pair of opposed portions 20 a, 20 b with the constant distance correspond to flat plate portions 21 a, 21 b. Portions of the pair of opposed portions 20 a, 20 b which include the flat plate portions 21 a, 21 b constitute intermediate portions 22 a, 22 b, for example.
  • the flat plate portions 21 a, 21 b have a size, e.g., a length He in FIG. 3 , capable of compressing the bushing 8 well as will be described below.
  • Portions of the pair of opposed portions 20 a, 20 b with the decreasing distance correspond to a pair of inwardly inclined portions 24 a, 24 b. Portions of the pair of opposed portions 20 a, 20 b with the increasing distance correspond to a pair of outwardly inclined portions 25 a, 25 b.
  • a pair of inwardly protruding portions 26 a, 26 b are formed between the pair of inwardly inclined portions 24 a, 24 b and the pair of outwardly inclined portions 25 a, 25 b.
  • the outwardly inclined portions 25 a, 25 b are straight portions, and a distance therebetween changes continuously.
  • portions 27 a, 27 b nearer to an opening than the intermediate portions are constituted by the pair of inwardly inclined portions 24 a, 24 b, the pair of inwardly protruding portions 26 a, 26 b, and the pair of outwardly inclined portions 25 a, 25 b, for example.
  • the pair of inwardly inclined portions 24 a, 24 b and the pair of inwardly protruding portions 26 a, 26 b correspond to “portions with a distance therebetween which is less than the distance between the intermediate portions”.
  • portions with a distance therebetween which is less than that between the intermediate portions correspond to narrowed portions 28 .
  • a distance Ls between the pair of inwardly protruding portions 26 a, 26 b is less than a distance Lh between the pair of flat plate portions 21 a, 21 b (Ls ⁇ Lh).
  • the distance Ls between the pair of inwardly protruding portions 26 a, 26 b may be hereinafter referred to as “distance Ls between the narrowed portions”.
  • the distance Lh between the pair of flat plate portions 21 a, 21 b may be hereinafter referred to as “distance Lh between the flat plate portions”.
  • the distance between the pair of outwardly inclined portions 25 a, 25 b is greatest at connectors 29 a, 29 b each connecting the recessed portion 10 and a corresponding one of the flange portions 12 a, 12 b to each other (noted that the connectors 29 a, 29 b may be referred to as “open ends of the recessed portion 10 ”).
  • the distance Lm between the open ends 29 a, 29 b is greater than the distance Ls between the narrowed portions (Lm>Ls).
  • the distance Lm between the open ends 29 a, 29 b may be greater or less than the distance Lh between the intermediate portions 22 a, 22 b. It is noted that the height H of the bracket 6 in the up and down direction is greater than the distance Lh between the flat plate portions (H>Lh) in order to make the volume of the bushing 8 larger in the up and down direction than in the front and rear direction.
  • the bushing 8 is a cylindrical member formed of an elastic material such as rubber. As illustrated in FIG. 4 , the bushing 8 has a through hole 30 in which the stabilizer bar 2 is to be inserted.
  • the bushing 8 has a cross-sectional shape which is generally formed by cutting out a portion of an oval shape. In other words, the bushing 8 includes a wide portion 31 and a narrow portion 32 .
  • the bushing 8 has a pair of side surfaces 33 a, 33 b which are opposed to each other. Each of the pair of side surfaces 33 a, 33 b in the wide portion 31 is curved so as to protrude outward.
  • the bushing 8 has intermediate portions 35 a, 35 b which respectively protrude to opposite outermost positions in the Y direction.
  • the bushing 8 has the greatest width at the intermediate portions 35 a, 35 b.
  • the bushing 8 further has width decreasing portions 36 a, 36 b between the wide portion 31 and the narrow portion 32 . The distance or width between the pair of side surfaces 33 a, 33 b gradually decreases at the width decreasing portions 36 a, 36 b.
  • the bushing 8 further has recessed portions 38 a, 38 b each constituted by, e.g., a portion of the bushing 8 which contains a line of intersection of the narrow portion 32 and a corresponding one of the width decreasing portions 36 a, 36 b. As illustrated in FIG. 4 , each of the recessed portions 38 a, 38 b is provided near a line of intersection of a tangent plane s to the through hole 30 and a corresponding one of the pair of side surfaces 33 a, 33 b.
  • Each of the recessed portions 38 a, 38 b may be provided between (i) a line of intersection of a corresponding one of the pair of side surfaces 33 a, 33 b and a plane d containing the diameter of the through hole 30 and (ii) a line of intersection of the tangent plane s and the corresponding one of the pair of side surfaces 33 a, 33 b.
  • Each of the recessed portions 3 8 a, 3 8 b may also be provided near the line of intersection of the tangent plane s and the corresponding one of the pair of side surfaces 33 a, 33 b (that is, each of the recessed portions 38 a, 38 b may be provided within a set range determined by the line of intersection) and may be provided at a position located farther from the through hole 30 than the line of intersection of the tangent plane s and the corresponding one of the pair of side surfaces 33 a, 33 b, for example.
  • each of the recessed portions 38 a, 38 b is provided within a set range containing the line of intersection of the tangent plane s and the corresponding one of the pair of side surfaces 33 a, 33 b. It is noted that a bottom surface 39 of the narrow portion 32 is curved such that a central portion of the bottom surface 39 protrudes outward.
  • the bushing 8 is accommodated in the recessed portion 10 of the bracket 6 in a state in which a direction of a major axis of the bushing 8 coincides with the up and down direction, and a widthwise direction of the bushing 8 (i.e., a direction of a minor axis of the bushing 8 ) coincides with the front and rear direction. Since a length Lbv of the bushing 8 in its major axis direction is greater than the height H of the bracket 6 (Lbv>H), the bushing 8 has interferences Aa, Ab (see FIG. 6 ) in the up and down direction.
  • the bushing 8 Since a width Lbh between the intermediate portions 35 a, 35 b of the bushing 8 is greater than the distance Lh between the flat plate portions of the bracket 6 (Lbh>Lh), the bushing 8 has interferences Ac, Ad in the front and rear direction.
  • each of the interferences Ac, Ad in the front and rear direction is less than each of the interferences Aa, Ab in the up and down direction.
  • a relative positional relationship between the bushing 8 and the bracket 6 is determined in advance in a state in which the bushing 8 is mounted on the vehicle-body-side component 4 by the bracket 6 .
  • the width decreasing portions 36 a, 36 b and the recessed portions 38 a, 38 b of the bushing 8 are respectively opposed to the inwardly inclined portions 24 a, 24 b and the inwardly protruding portions 26 a, 26 b of the bracket 6 .
  • the intermediate portions 35 a, 35 b of the bushing 8 are respectively opposed to the flat plate portions 21 a, 21 b of the bracket 6 .
  • the stabilizer bar 2 is mounted onto the vehicle-body-side component 4 by the bar mounting device 1 .
  • the stabilizer bar 2 is in advance inserted in the through hole 30 of the bushing 8 and bonded to the bushing 8 .
  • the bracket 6 is brought closer to the vehicle-body-side component 4 toward the bushing 8 to which the stabilizer bar 2 is bonded, along the arrow in FIG. 5 , i.e., in a direction substantially parallel to the normal line n to the mounting surface 4 f of the vehicle-body-side component 4 , and then the bushing 8 is inserted into the recessed portion 10 of the bracket 6 .
  • the bushing 8 can be easily inserted into the recessed portion 10 . As illustrated in FIG. 1 , the flange portions 12 a, 12 b of the bracket 6 are then secured to the vehicle-body-side component 4 by the fastening device 16 .
  • the bushing 8 is elastically deformed or compressed by, e.g., the bracket 6 and the vehicle-body-side component 4 .
  • the bushing 8 has the interferences not only in the up and down direction but also in the front and rear direction, thereby applying surface pressures to the stabilizer bar 2 not only in the up and down direction but also in the front and rear direction. Also, the narrowed portions 28 of the bracket 6 compress the bushing 8 toward the stabilizer bar 2 , in other words, in directions indicated by arrows F 1 , F 2 in FIG. 6 , thereby applying surface pressures to a portion R of a lower portion of the stabilizer bar 2 . As a result, greater surface pressures can be applied to the lower portion of the stabilizer bar 2 , and the surface pressures can be uniformly applied to the stabilizer bar 2 , thereby preventing reduction in lowering of adhesiveness of the stabilizer bar 2 and the bushing 8 .
  • the bushing 8 is mounted, with its major axis direction coinciding with the up and down direction.
  • the volume of the bushing 8 in the up and down direction is greater than that in the front and rear direction, allowing the bushing 8 to reliably support the stabilizer bar 2 in the up and down direction.
  • the bottom surface 39 of the bushing 8 is curved, and the narrow portion 32 is provided so as to be opposed to the vehicle-body-side component 4 .
  • the bushing 8 is accommodatable in a space formed in the bracket 6 even when the bushing 8 is elastically deformed by the vehicle-body-side component 4 and widen in the widthwise direction (i.e., the front and rear direction).
  • the intermediate portions 35 a, 35 b of the bushing 8 are respectively opposed to the flat plate portions 21 a, 21 b of the bracket 6 .
  • the flat plate portions 21 a, 21 b can well compress the respective intermediate portions 35 a, 35 b, thereby well applying the surface pressures to the bushing 8 in the front and rear direction.
  • the bar mounting device 1 can be used also in a construction in which the stabilizer bar 2 is not bonded to the bushing 8 . Even in this construction, the surface pressures can be uniformly applied to the stabilizer bar 2 , thereby well preventing the through hole 30 of the bushing 8 from being opened.
  • the shape of the bracket 6 is not limited to its shape in the above-described embodiment.
  • the flat plate portions 21 a, 21 b and the outwardly inclined portions 25 a, 25 b are not essential.
  • Portions of the bracket 6 between the intermediate portions 22 a, 22 b and the respective inwardly protruding portions 26 a, 26 b may have a shape which is formed by bending the pair of opposed portions 20 a, 20 b in a direction parallel to the flange portions 12 a, 12 b.
  • the inwardly protruding portions 26 and the narrowed portion 28 may be provided below a line of intersection of each of the pair of opposed portions 20 a, 20 b and the lower tangent plane s to the stabilizer bar 2 and may be provided between (i) the line of intersection of each of the pair of opposed portions 20 a, 20 b and the plane d containing the diameter of the stabilizer bar 2 and (ii) the line of intersection each of the pair of opposed portions 20 a, 20 b and the lower tangent plane s, for example.
  • the shape of the bushing 8 is not limited to its shape in the above-described embodiment.
  • the bottom surface 39 may be a flat surface.
  • each of the intermediate portions 35 a, 35 b may be a flat plate portion.
  • the bar mounting device 1 may be used also in the case where the stabilizer bar 2 is mounted on the vehicle-body-side component 4 for which the normal line n extends in the front and rear direction of the vehicle or in the case where the stabilizer bar 2 is mounted on the vehicle-body-side component 4 for which the normal line n is inclined with respect to the up and down direction and the front and rear direction.
  • FIGS. 7 and 8 illustrate a bar mounting device including a bracket 52 according to a second embodiment and a bushing 54 .
  • the bracket 52 has a generally “ ⁇ ” shape in cross section like the bracket 6 according to the first embodiment.
  • the bracket 52 differs from the bracket 6 in that a protruding portion 60 is formed near a top portion of a recessed portion 58 and that opposite end surfaces of the recessed portion 58 in the axial direction are inclined surfaces 62 c, 62 d each extending outward.
  • opposite end portions of the protruding portion 60 in the axial direction are R-shaped portions 64 c, 64 d.
  • the bushing 54 has a cross-sectional shape which is generally formed by cutting out a portion of an oval shape like the bushing 8 in the first embodiment.
  • the bushing 54 differs from the bushing 8 in that a protruding portion 70 is formed near a top portion of the bushing 54 and that the bushing 54 is provided with a stopper 72 protruding from one end portion of the bushing 54 in the axial direction.
  • opposite end portions of the protruding portion 70 in the axial direction are R-shaped portions 74 c, 74 d.
  • the bracket 52 When mounting the stabilizer bar 2 onto the vehicle-body-side component, the bracket 52 is mounted on the stabilizer bar 2 substantially in the up and down direction (Z) such that the recessed portion 58 straddles a portion of the stabilizer bar 2 to which the bushing 54 is not bonded. In this state, the stabilizer bar 2 is then moved in the axial direction (X) indicated by arrow in FIG. 8 . Since the inclined surfaces 62 c, 62 d extending outward are provided as the opposite end surfaces of the bracket 52 in the axial direction, the bushing 54 is easily inserted into the bracket 52 and not easily damaged when mounting the bracket 52 onto the stabilizer bar 2 .
  • the bracket 52 is then moved in the axial direction to a position at which the bracket 52 covers an outer surface of the bushing 54 .
  • the movement of the bracket 52 and the bushing 54 relative to each other in the axial direction is easy because the R-shaped portions 64 c, 64 d are provided at steps of the protruding portion 60 of the bracket 52 , and the R-shaped portions 74 c, 74 d are provided at steps of the protruding portion 70 of the bushing 54 .
  • the bracket 52 is moved until an end face of the bracket 52 in the axial direction (i.e., the inclined surface 62 c ) is brought into contact with the stopper 72 provided on the bushing 54 . This construction allows the bracket 52 to be accurately positioned relative to the bushing 54 .
  • bracket 52 Since the bracket 52 has the narrowed portion 28 , it is difficult in some cases for the bushing 54 to be inserted into the recessed portion 58 in the up and down direction, but the bushing 54 may be easily inserted into the recessed portion 58 in the axial direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)
US15/051,159 2015-04-16 2016-02-23 Bracket Abandoned US20160303938A1 (en)

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JP2015084203A JP6347226B2 (ja) 2015-04-16 2015-04-16 スタビライザバー取付装置、スタビライザバー取付用ブラケット
JP2015-084203 2015-04-16

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JP2018079752A (ja) * 2016-11-15 2018-05-24 東洋ゴム工業株式会社 スタビライザブッシュ
JP6754311B2 (ja) * 2017-02-28 2020-09-09 住友理工株式会社 スタビライザブッシュ
JP6948964B2 (ja) * 2018-02-26 2021-10-13 住友理工株式会社 接着用スタビライザブッシュおよびスタビライザブッシュ付スタビライザバー
JP7038010B2 (ja) * 2018-06-12 2022-03-17 住友理工株式会社 スタビライザブッシュ
JP7095572B2 (ja) * 2018-11-28 2022-07-05 トヨタ自動車株式会社 スタビライザー装置及びスタビライザー装置の製造方法

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JP6347226B2 (ja) 2018-06-27
US10661627B2 (en) 2020-05-26
DE102016205655A1 (de) 2016-10-20
CN106042818B (zh) 2019-10-01
CN106042818A (zh) 2016-10-26
JP2016205434A (ja) 2016-12-08
US20180186211A1 (en) 2018-07-05

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