JP4038902B2 - Stabilizer mounting bracket structure - Google Patents

Stabilizer mounting bracket structure Download PDF

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Publication number
JP4038902B2
JP4038902B2 JP32483398A JP32483398A JP4038902B2 JP 4038902 B2 JP4038902 B2 JP 4038902B2 JP 32483398 A JP32483398 A JP 32483398A JP 32483398 A JP32483398 A JP 32483398A JP 4038902 B2 JP4038902 B2 JP 4038902B2
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JP
Japan
Prior art keywords
stabilizer
bracket
vehicle
load
bolt
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.)
Expired - Fee Related
Application number
JP32483398A
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Japanese (ja)
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JP2000142054A (en
Inventor
志郎 中谷
一夫 原田
Original Assignee
マツダ株式会社
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Priority to JP32483398A priority Critical patent/JP4038902B2/en
Publication of JP2000142054A publication Critical patent/JP2000142054A/en
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Publication of JP4038902B2 publication Critical patent/JP4038902B2/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02Interconnection 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
    • B60G21/04Interconnection 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
    • B60G21/05Interconnection 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
    • B60G21/055Stabiliser bars
    • B60G21/0551Mounting means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/12Mounting of springs or dampers
    • B60G2204/122Mounting of torsion springs
    • B60G2204/1222Middle mounts of stabiliser on vehicle body or chassis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10Mounting of suspension elements
    • B60G2204/15Mounting of subframes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/60Subframe construction

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stabilizer mounting bracket structure in which a stabilizer of a front suspension is supported with respect to a stabilizer bracket constructed between a front cross member extending in the vehicle width direction and a side frame extending in the vehicle front-rear direction.
[0002]
[Prior art]
Generally, a stabilizer for a front suspension is a member that suppresses a roll angle at the time of rebound and a bump of only one wheel due to resistance of torsional rigidity, and needs to be supported by a portion having high rigidity.
[0003]
Therefore, a stabilizer mounting bracket structure as described in Japanese Utility Model Laid-Open No. 55-121712 has already been invented.
[0004]
That is, as shown in FIG. 9, a stabilizer bracket 93 is provided between a front cross member 91 extending in the vehicle width direction and a front side frame 92 extending in the vehicle front-rear direction, and a support member 94 is provided on the stabilizer bracket 93. This is a stabilizer mounting bracket structure in which the stabilizer 95 of the front suspension is supported by using. In the figure, F indicates the front of the vehicle, and OUT indicates the outside of the vehicle.
[0005]
According to this conventional structure, there is an advantage that not only the support rigidity of the stabilizer 95 but also the rigidity of the vehicle itself can be improved by the stabilizer bracket 93 provided between the front cross member 91 and the front side frame 92. On the other hand, when a collision load from the front of the vehicle is input, the amount of deformation of the front side frame of the vehicle decreases due to the rigidity of the stabilizer bracket 93, which is disadvantageous in terms of crash space.
[0006]
[Problems to be solved by the invention]
Therefore, the inventions, to the stabilizer bracket, a mounting portion of a front cross member, a support portion of the stabilizer, and the attachment portion of the side frame, but are arranged in this order from the vehicle front side toward the rear side of the vehicle When the light collision load from the front of the vehicle is input to the front cross member, the stabilizer of the front cross member and the stabilizer bracket is attached to the front side of the stabilizer support portion from the attachment portion of the stabilizer bracket to the front cross member. By providing a load absorbing means that allows relative displacement with the support part of the vehicle, it is possible to absorb the load by the longitudinal displacement with respect to the load input at the time of the vehicle normal collision while securing the support rigidity of the stabilizer bracket. expanded room of the crash space, it is possible to improve the safety, especially In the time of a light collision, the relative displacement between the supporting portion of the front cross member and the stabilizer bracket stabilizer is allowed, retraction amount of the stabilizer is reduced, without deformation of the front suspension itself, exchange degree of suspension components An object of the present invention is to provide a stabilizer mounting bracket structure capable of reducing the above-mentioned problem.
[0007]
One embodiment of the present invention includes a stabilizer bracket, a front cross member, attached by a bolt member inserted through the respective, the load absorbing means bolt insertion hole of the stabilizer bracket is formed in a long hole shape extending in the longitudinal direction of the vehicle By providing, it aims at provision of the stabilizer attachment bracket structure which can comprise a load absorption means by simple structure.
[0008]
According to one embodiment of the present invention, a stabilizer attachment that can constitute a load absorbing means with a simple structure by providing a weak portion that is weak in the longitudinal direction of the vehicle as a load absorbing means in a part of the stabilizer bracket. The purpose is to provide a bracket structure.
[0009]
[Means for Solving the Problems]
The stabilizer mounting bracket structure according to the present invention is a stabilizer mounting bracket structure in which a stabilizer of a front suspension is supported with respect to a stabilizer bracket constructed between a front cross member and a side frame, and with respect to the stabilizer bracket, An attachment portion with the front cross member, a support portion of the stabilizer, and an attachment portion with the side frame are arranged in this order from the vehicle front side to the vehicle rear side, and the stabilizer bracket is attached to the front cross member. the front side of the supporting portion of the stabilizer from the parts, when the light collision load from the vehicle front to the front cross member is inputted, to permit relative displacement between the supporting portion of the stabilizer of the front cross member and the stabilizer bracket load In which the absorption means are provided.
[0010]
In one embodiment of the present invention, the stabilizer bracket and the front cross member are attached by bolt members that pass through each , and the bolt insertion hole of the stabilizer bracket is formed in a long hole shape extending in the vehicle front-rear direction. Absorbing means are provided .
[0011]
In one embodiment of the present invention, a fragile portion that is fragile with respect to the vehicle front-rear direction is provided in a part of the stabilizer bracket to form a load absorbing means .
[0012]
[Action and effect of the invention]
According to this inventions, the front side of the supporting portion of the stabilizer from the mounting portion of the front cross member of the above-mentioned stabilizer bracket is provided with the load absorbing means, the light collision of the vehicle front to the front cross member When a load is input, the load absorbing means allows relative displacement between the front cross member and the stabilizer bracket, and enables the front cross member to move backward.
[0013]
As a result, it is possible to absorb the collision load by the longitudinal displacement with respect to the load input at the time of the vehicle normal collision while securing the support rigidity of the stabilizer bracket, and the crash space in the engine room is expanded and the safety is improved. There is an effect that can.
[0014]
In particular, at the time of a light collision, although the front cross member and the stabilizer bracket are deformed, the amount of retraction of the stabilizer itself is reduced, so the front suspension is not deformed, and the degree of replacement of the suspension parts can be reduced. effective.
[0015]
According to one embodiment of the invention, load absorbing a stabilizer bracket and the front cross member of the upper above, attached with bolts member for inserting the both of them, a bolt insertion hole of the stabilizer bracket side forms a long hole shape Since the means is configured, the front cross member can be retracted along the above-described long hole when the load is input at the time of the vehicle normal collision, and the collision load can be absorbed.
[0016]
In addition, there is an effect that the load absorbing means described above can be configured by a simple structure including the bolt member and the bolt insertion hole.
[0017]
According to one embodiment of the present invention, since a part of the stabilizer brackets above mentioned it was form the load absorbing means is provided vulnerable fragile portion with respect to the vehicle longitudinal direction, vulnerable during load input vehicle positive collision The part is deformed to allow the front cross member to retreat and absorb the collision load.
[0018]
As described above, there is an effect that the above-described load absorbing means can be configured by a simple structure in which the fragile portion is provided to a part of the stabilizer bracket.
[0019]
【Example】
An embodiment of the present invention will be described below in detail with reference to the drawings.
The drawing shows a stabilizer mounting bracket structure. In FIGS. 1 and 2, a front side frame 1 extending in the vehicle front-rear direction is provided, and the front portion of the front side frame 1 is separated into two forks as shown in FIG. An upper side frame 1A and a lower side frame 1B are formed.
[0020]
A front cross member 2 extending in the vehicle width direction is stretched between the lower side frames 1B and 1B in the left and right front side frames 1 and 1 (however, only the right side configuration is shown in the drawing).
[0021]
Further, the front outer side in the upper side frame 1A of the front side frame 1, mounting a bumper bracket 5 through the bracket 3 and a bolt, a nut 4, in between the left and right bumper brackets 5,5, the front bumper 6 Zhang It is built. In the figure, reference numeral 7 denotes a front skirt positioned in front of the front cross member 2.
[0022]
On the other hand, a strut type front suspension 8 is provided. The suspension 8 includes a lower arm 9, a strut damper 10, a stabilizer 11, and the like. One support portion 12 of the lower arm 9 is supported on the vehicle body side, and a knuckle (not shown) is provided on the other support portion 13. The front wheel 14 is supported through the via.
[0023]
Further , the lower arm 9 in the vicinity of the support portion 13 on the other side integrally supports one end 11 a of the stabilizer 11 via a rubber bush 15.
For the purpose of supporting the front end portion 11b of the stabilizer 11, the stabilizer bracket 16 is laid diagonally between the lower surface of the front cross member 2 and the lower surface of the lower side frame 1B as viewed from above. .
[0024]
As shown in FIGS. 1 and 2, the stabilizer bracket 16 is attached to the lower surface of the front cross member 2 by two sets of bolts and nuts 17 and 17, and the rear part thereof by a set of bolts and nuts 18. It is attached to the lower surface of the lower side frame 1B. Here, a total of three sets of bolts, nuts member in the nut 17,17,18 front cross member 2, and which is previously welded into the closed section of the lower side frame 1B.
[0025]
A support member 20 is attached to the lower surface of the stabilizer bracket 16 using two sets of bolts and nuts 19, 19, and the front end 11 b of the stabilizer 11 is supported on the support member 20 via a rubber bush 21. .
[0026]
Moreover, between the bolts and nuts 17 and 19 in the stabilizer bracket 16 described above, a concave bead 22 and a convex bead 23 that are weak against the vehicle front-rear direction are integrated over substantially the entire width of the bracket 16. Forming.
[0027]
Each of these two beads 22 and 23 is a load absorbing means integrally formed with respect to the stabilizer bracket 16 in the vehicle width direction, and a load from the front of the vehicle is input to the front cross member 2. At this time, relative displacement between the front cross member 2 and the stabilizer bracket 16 is allowed.
[0028]
In this embodiment, the two beads 22 and 23 are deformed when a load is inputted at the time of a normal vehicle collision, so that the front cross member 2 is allowed to move backward and a collision load is absorbed. The number of beads is not limited to 2, but may be 1 or 3 or more.
In the figure , F indicates the front of the vehicle, and OUT indicates the outside of the vehicle.
[0029]
The effect | action of the stabilizer attachment bracket structure comprised in this way is explained in full detail below.
When a collision load from the front of the vehicle is input to the front cross member 2 at the time of a frontal collision of the vehicle, as shown in FIGS. 3 and 4 from the normal state at the time of non-collision shown in FIGS. Since the two beads 22 and 23 as the weak part are deformed so as to be compressed in the front-rear direction, and the front cross member 2 is allowed to move backward, the collision load can be absorbed.
[0030]
Thus, according to the embodiment shown in FIGS. 1 to 4 (Examples corresponding to claim 1, 3), load absorbing means in the mounting portion of the front cross member 2 of the aforementioned stabilizer brackets 16 (bead 22 and 23), when a load from the front of the vehicle is input to the front cross member 2, the load absorbing means (see beads 22 and 23) serves as the front cross member 2, the stabilizer bracket 16, and the like. , Allowing the front cross member 2 to move backward.
[0031]
As a result, while ensuring the support rigidity of the stabilizer bracket 16, the collision load can be absorbed by the longitudinal displacement with respect to the load input at the time of the vehicle normal collision, and the crash space in the engine room is expanded and the safety is improved. There is an effect that can be achieved.
[0032]
In particular, at the time of a light collision , the front cross member 2 and the stabilizer bracket 16 are deformed, but the front suspension 8 including the stabilizer 11 is not deformed, and the degree of replacement of the suspension parts can be reduced.
[0033]
Further, since a weak portion (see beads 22 and 23) weak in the vehicle front-rear direction is provided in a part of the stabilizer bracket 16 described above to form the load absorbing means , the weak portion when the vehicle enters the forward load. (Refer to the beads 22, 23) is deformed (crash in the front-rear direction), allowing the front cross member 2 to move backward and absorbing the collision load.
[0034]
As described above, the load absorbing means described above can be configured with a simple structure in which the weakened portion (see the beads 22 and 23) is provided to a part of the stabilizer bracket 16.
[0035]
5 to 8 show other embodiments of the stabilizer mounting bracket structure. In the previous embodiment, the beads 22 and 23 are formed as load absorbing means. In this embodiment, the load is absorbed by bolts, nuts and long holes. Means.
[0036]
That is, the rear portion of the stabilizer bracket 16 is attached to the lower surface of the lower side frame 1B by a set of bolts and nuts 18 as in the previous embodiment, but the front portion of the stabilizer bracket 16 has two lengths extending in the vehicle longitudinal direction. Hole-shaped bolt insertion holes 24, 24 are formed apart from each other.
[0037]
Further , nuts 25 and 25 are welded and fixed in advance to the closed cross section of the front cross member 2 at the mounting portion of the stabilizer bracket 16, and the bolts formed in the bolt insertion holes 24 and the front cross member 2 from below the stabilizer bracket 16. The bolts 26 are screwed into the nuts 25 through the insertion holes so that the left and right front portions of the stabilizer bracket 16 are attached to the lower surface of the front cross member 2.
[0038]
In short , the stabilizer bracket 16 and the front cross member 2 are attached by bolts 26 that are inserted respectively , and the load insertion means 24 in which the bolt insertion holes 24 of the stabilizer bracket 16 are formed in a long hole shape extending in the vehicle front-rear direction is provided. It is.
[0039]
The effect | action of the stabilizer attachment bracket structure comprised in this way is explained in full detail below.
During a head-on collision of the vehicle, entering the collision load from the vehicle front to the front cross member 2, FIG. 5, from the normal state at the time of non-collision shown in FIG. 6, 7, 8, The front cross member 2 can be retracted along the long hole-like bolt insertion holes 24, 24 to absorb the collision load.
[0040]
As described above, according to the embodiment shown in FIGS. 5 to 8 (embodiment corresponding to claims 1 and 2), the load absorbing means (bolt insertion) is provided at the mounting portion of the stabilizer bracket 16 with the front cross member 2 described above. Since holes 24, nuts 25, and bolts 26 are provided), when a load from the front of the vehicle is input to the front cross member 2, the load absorbing means (see each element 24, 25, 26) The relative displacement between the member 2 and the stabilizer bracket 16 is allowed, and the front cross member 2 can be retracted.
[0041]
As a result, while ensuring the support rigidity of the stabilizer bracket 16, the collision load can be absorbed by the longitudinal displacement with respect to the load input at the time of the vehicle normal collision, and the crash space in the engine room is expanded and the safety is improved. There is an effect that can be achieved.
[0042]
In particular, at the time of a light collision , the front cross member 2 and the stabilizer bracket 16 are deformed, but the front suspension 8 including the stabilizer 11 is not deformed, and the degree of replacement of the suspension parts can be reduced.
[0043]
In addition, the above-described stabilizer bracket 16 and the front cross member 2 are attached by bolt members (see bolts 26) through which both of these 16 and 2 are inserted, and the bolt insertion holes 24 of the stabilizer bracket 16 are formed into a long hole shape. Since the load absorbing means is configured , the front cross member 2 can be retracted along the above-described long hole (refer to the bolt insertion hole 24) and absorb the collision load when a load is input at the time of a normal vehicle collision. .
In addition, the above-described load absorbing means can be configured with a simple structure using the bolts 26 and the bolt insertion holes 24.
[0044]
In addition, since there exists an effect | action and effect substantially the same as the previous Example about another point, the same code | symbol is attached | subjected to the part same as a previous figure in FIGS. 5-8, and the detailed description is abbreviate | omitted.
[0045]
In the correspondence between the configuration of the present invention and the above-described embodiment,
The side frame of the present invention corresponds to the front side frame 1 of the embodiment,
Similarly,
The front suspension corresponds to the strut type front suspension 8,
The load absorbing means corresponds to the beads 22 and 23 shown in FIGS. 1 to 4, the bolt insertion hole 24, the nut 25, and the bolt 26 shown in FIGS. 5 to 8,
The bolt member corresponds to the bolt 26,
The weak part corresponds to the beads 22 and 23,
The present invention is not limited to the configuration of the above-described embodiment.
[Brief description of the drawings]
FIG. 1 is a plan view showing a stabilizer mounting bracket structure of the present invention.
FIG. 2 is a side view of the same.
FIG. 3 is a plan view when a collision load is input.
FIG. 4 is a side view of the same.
FIG. 5 is a plan view showing another embodiment of the stabilizer mounting bracket structure of the present invention.
FIG. 6 is a side view of the same.
FIG. 7 is a plan view when a collision load is input.
FIG. 8 is a side view of the same.
FIG. 9 is a plan view showing a conventional stabilizer mounting bracket structure.
[Explanation of symbols]
1. Front side frame (side frame)
2 ... Fment cross member 8 ... Front suspension 11 ... Stabilizer 16 ... Stabilizer bracket 22, 23 ... Bead (load absorbing means, weak part)
24 ... Bolt insertion hole 25 ... Nut 26 ... Bolt (bolt member)

Claims (3)

  1. A stabilizer mounting bracket structure that supports the stabilizer of the front suspension with respect to the stabilizer bracket erected between the front cross member and the side frame,
    For the stabilizer bracket, the mounting part with the front cross member,
    The support portion of the stabilizer and the attachment portion of the side frame are arranged in this order from the vehicle front side to the vehicle rear side,
    The front side of the supporting portion of the stabilizer from the mounting portion of the front cross member of the stabilizer bracket, when the light collision load from the front of the vehicle is input to the front cross member, the front cross member and the stabilizer bracket stabilizer stabilizer mounting bracket structure load absorbing means is provided to permit the relative displacement between the supporting portion of the.
  2. 2. The stabilizer according to claim 1, further comprising: a load absorbing means in which the stabilizer bracket and the front cross member are attached to each other by a bolt member that passes through the stabilizer bracket, and a bolt insertion hole of the stabilizer bracket is formed in a long hole shape extending in the vehicle front-rear direction. Mounting bracket structure.
  3. The stabilizer mounting bracket structure according to claim 1, wherein a fragile portion that is fragile with respect to the vehicle longitudinal direction is provided in a part of the stabilizer bracket to form a load absorbing means.
JP32483398A 1998-11-16 1998-11-16 Stabilizer mounting bracket structure Expired - Fee Related JP4038902B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32483398A JP4038902B2 (en) 1998-11-16 1998-11-16 Stabilizer mounting bracket structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32483398A JP4038902B2 (en) 1998-11-16 1998-11-16 Stabilizer mounting bracket structure

Publications (2)

Publication Number Publication Date
JP2000142054A JP2000142054A (en) 2000-05-23
JP4038902B2 true JP4038902B2 (en) 2008-01-30

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030015459A (en) * 2001-08-14 2003-02-25 현대자동차주식회사 Stabilizer bar mounting braket combined front side member
JP5299337B2 (en) * 2010-03-30 2013-09-25 マツダ株式会社 Subframe structure of vehicle
DE112011102187B4 (en) * 2010-06-30 2015-01-08 Mazda Motor Corporation Suspension device for vehicles
US10759251B1 (en) 2017-04-27 2020-09-01 Oshkosh Defense, Llc Sway bar and bushing systems and methods
JP2019064506A (en) * 2017-10-03 2019-04-25 スズキ株式会社 Vehicle frame structure

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