JPH10236127A - Stabilizer mounting structure - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a stabilizer mounting structure capable of reducing costs and improving workability by reducing the number of parts and the number of assembling steps by eliminating the stabilizer mounting bracket. Is to do. According to the present invention, there is provided a suspension in which a support member (1) is attached to a lower arm (3) for supporting the movement of a wheel in the left-right direction, the support member (1) being attached to one end (1a). In a stabilizer mounting structure for mounting the end portion 2a of the stabilizer bar 2 to the lower arm 3 via a connecting rod 4, a stabilizer mounting portion 12 in which an annular rubber bush 11 is provided at the lower end 4b of the connecting rod 4 is provided. 4 together with the rubber bush 11 to attach the stabilizer mounting portion 12 to the support member 1.
The stabilizer bar 2 is attached by connecting the end 2 a of the stabilizer bar 2 to the upper end 4 a of the connecting rod 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stabilizer mounting structure for a four-wheeled vehicle employing a MacPherson strut type suspension.

[0002]

2. Description of the Related Art Conventionally, in an independent suspension type four-wheeled vehicle or the like, a stabilizer bar 51 as shown in FIG. 6 is provided to increase the roll rigidity of the suspension and reduce the rolling of the vehicle body. . Stabilizer bar 5
Numerals 1 are respectively attached to left and right lower arms 52 supporting both left and right directions of the wheels, and intermediate portions thereof are supported by a vehicle body via brackets or the like (not shown). The suspension 1 is provided by the torsional rigidity of the stabilizer bar 51. Roll rigidity.

For this reason, a stabilizer mounting bracket 53 is fixed to the lower arm 52 by welding, and an end of the stabilizer bar 51 is connected to a rubber bush 54.
And is connected to the stabilizer mounting bracket 53 via a connecting rod 55 and the like. At the upper end of the connecting rod 55 is formed a screw portion to be screwed with the nut 56, and at the intermediate portion, a collar 57 is provided, and at the upper and lower surfaces of the rubber bush 54, a washer 58 is provided. Have been. In the above suspension,
A pair of left and right support members (tension rods or compression rods) 59 are provided at the upper and lower ends, each of which is attached to the lower arm 52 and the vehicle body. The support members 59 support the front-rear force applied to the wheels. ing.

[0004]

However, in the above-described conventional stabilizer mounting structure, it is necessary to use a large number of mounting parts such as a stabilizer mounting bracket 53 to mount the stabilizer bar 51 to the lower arm 52. Since the number of rubber bushes 54 and washers 58 is large, the number of parts and the number of assembling steps are increased, and the workability is poor. In addition, since the stabilizer mounting bracket 53 is fixed to the lower arm 52 by welding, it has been a factor that causes an increase in cost.

The present invention has been made in view of such circumstances, and has as its object to reduce the number of parts and the number of assembling steps by eliminating the stabilizer mounting bracket, thereby reducing costs and improving assembling workability. An object of the present invention is to provide a stabilizer mounting structure that can be achieved.

[0006]

In order to solve the problems of the prior art, according to the first aspect of the present invention, there is provided a support member having one end attached to an arm for supporting the lateral movement of a wheel. A suspension that supports the movement of the wheels in the front-rear direction with the support member, and attaches an end of a stabilizer bar to the arm via a connection member, wherein an annular bush is attached to one end of the connection member. By providing a stabilizer mounting portion in which the stabilizer bar is provided, inserting the stabilizer mounting portion of the connecting member together with the annular bush into the support member, and connecting an end of the stabilizer bar to one end of the connecting member, thereby forming the stabilizer bar. Is installed.

Further, in the present invention according to claim 2, the stabilizer mounting portion of the connecting member according to claim 1 is constituted by a vertically splittable holding body which sandwiches the annular bush.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments.

FIGS. 1 and 2 show an embodiment of a stabilizer mounting structure according to the present invention. The McPherson strut type suspension of the vehicle shown in the figure includes a pair of left and right support members (tension rods or compression rods) 1 for supporting the front-rear movement of wheels (wheels), and a stabilizer bar 2 constituting a stabilizer. Roller rigidity is increased by the stabilizer bar 2 so that rolling of the vehicle body is reduced.

The support member 1 has a lower end 1a attached to left and right lower arms 3 for supporting the left-right movement of the wheel, and an upper end 1b attached to the vehicle body. 1 and are configured to support front and rear forces applied to the left and right wheels. For this reason, the lower end portion 1a of the support member 1 is formed in a flat surface shape and is bolted to the lower arm 3, and the upper end portion 1b of the support member 1 is stepped with a screw portion formed at the tip end. The mounting bush and the washer are inserted up and down with a vehicle body (not shown) interposed therebetween. In this state, the mounting bush and the washer are mounted by tightening a nut from above. Note that the lower arm 3 is a suspension arm that supports the wheel, and is a member that has a function of controlling the movement of the wheel.

On the other hand, the stabilizer bar 2 is formed using a hollow or solid member bent substantially in a U-shape, and both ends 2a thereof are connected rod (connecting member) 4 and supporting member 1 and the like. Are attached to the left and right lower arms 3 respectively. For this reason, both end portions 2a of the stabilizer bar 2 are formed into a flat surface that is easy to connect, and a mounting hole (not shown) for inserting the connecting rod 4 is formed in the flat surface. In addition, stabilizer bar 2
Is mounted on the vehicle body 6 via the mounting bracket 5 and the like, and the roll rigidity of the suspension is provided by the torsional rigidity of the stabilizer bar 2.

The connecting rod 4 is connected to the stabilizer bar 2
The support member 1 and the support member 1 are disposed vertically. An upper end 4a of the connecting rod 4 has a nut 7
It has a step formed with a screw portion 8 to be screwed with
The mount bush 9 and the washer 10 are arranged vertically above and below the end 2a of the stabilizer bar 2 therebetween.

The lower end of the connecting rod 4 (one side end)
4b, a stabilizer mounting portion 12 in which an annular rubber bush 11 is provided is provided, and the stabilizer mounting portion 12 is formed in a ring shape having an opening portion arranged sideways. Moreover, the stabilizer mounting portion 12
The inner diameter is formed to be substantially the same as the outer diameter of the rubber bush 11, and the width is formed larger than the intermediate portion 4c of the connecting rod 4. The inner diameter of the rubber bush 11 is formed to a size that can be fitted into the support member 1.

In order to mount the stabilizer bar 2 by the stabilizer mounting structure according to the embodiment of the present invention, as shown in FIG.
Into the support member 1 together with the rubber bush 11. Next, the washer 10 and the mount bush 9 are inserted into the upper end 4 a of the connecting rod 4, and the end 2 of the stabilizer bar 2 is
is inserted into the upper end 4a of the connecting rod 4, the mount bush 9 and the washer 10 are inserted into the upper end 4a of the connecting rod 4, and these members are stacked. In this state, when the nut 7 is screwed into the screw portion 8 and tightened, the stabilizer bar 2 is connected to the upper end portion 4a of the connecting rod 4, and is attached to the lower arm 3 via the connecting rod 4 and the support member 1. (See FIG. 1).

In the stabilizer mounting structure according to the embodiment of the present invention, the support member 1 is used for mounting the stabilizer bar 2, and the stabilizer mounting portion 12 of the connecting rod 4 is inserted into the support member 1 together with the rubber bush 11. ,
Further, since the end portion 2a of the stabilizer bar 2 is inserted into the upper end portion 4a of the connecting rod 4 and tightened, the number of parts to be used can be reduced, and the operation of mounting the stabilizer bar 2 can be easily performed. .

3 to 5 show another embodiment of the stabilizer mounting structure according to the present invention. The upper end 24a of the connecting rod 24 of this embodiment is stepped with a screw portion 28 formed at the tip, and has a lower end 24a.
b, instead of the annular stabilizer mounting portion 12 of the connecting rod 4 in the above-described embodiment, a stabilizer mounting portion 32 constituted by vertically splittable holding bodies 26 and 27 for holding the annular bush 25 is provided. I have. These holding bodies 26 and 27 are formed in a semicircular arc shape curved to the side opposite to the side facing each other, and both ends extend substantially horizontally outward.

At one end 26a of the upper holder 26,
A welding nut 29 to be screwed with a fastening bolt (not shown) is fixed, and a bolt hole 30 is formed at a position corresponding to the welding nut 29. The other end 26 b of the upper holder 26 is provided with an insertion hole 31 into which the end 27 b of the lower holder 27 is inserted. At one end 27a of the lower holder 27, a mounting hole 33 for inserting a not-shown tightening bolt is formed in correspondence with the bolt hole 30.

On the other hand, the intermediate portion 25 of the annular bush 25
As shown in FIGS. 4 and 5, the outer diameter of a
Flanges 25b are formed at substantially the same size as the inner diameter of the support member 27, and are provided at both ends thereof to prevent the support member 1 from moving out of the stabilizer mounting portion 32 by moving in the axial direction. The flange portion 25b is formed to have a larger diameter than the intermediate portion 25a.
6, 27 are engaged. Further, the annular bush 25 is provided with a slit 34 along the radial direction to facilitate elastic deformation in the circumferential direction when the annular bush 25 is fitted into the support member 1. Other configurations and operations are almost the same as those of the above-described embodiment.

In the stabilizer mounting structure according to the embodiment of the present invention, the stabilizer mounting portion 32 is constituted by holders 26 and 27 which can be divided into upper and lower portions, and the annular bush 25 is positioned at a predetermined position on the support member 1. In a state in which the holding members 26 and 2 are
7, the end 27b of the lower holder 27 is inserted into the insertion hole 31 of the upper holder 26, and a tightening bolt (not shown) is screwed into the welding nut 29 via the mounting hole 33 and the bolt hole 30. Since the connecting rod 24 is attached to the support member 1 by tightening, the operation of attaching the stabilizer bar 2 is further simplified.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes are possible based on the technical idea of the present invention. is there.

[0021]

As described above, the stabilizer mounting structure according to the present invention is a suspension in which a support member having one end mounted on an arm for supporting the movement of the wheel in the left-right direction is provided. While supporting the movement in the front-rear direction, an end of a stabilizer bar is attached to the arm via a connecting member, and a stabilizer attaching portion in which an annular bush is provided at one end of the connecting member is provided. Since the stabilizer mounting portion of the member is inserted into the supporting member together with the annular bush and the end of the stabilizer bar is connected to one end of the connecting member, the stabilizer bar is mounted, which is necessary for the conventional mounting structure. The stabilizer mounting bracket, which had been With steps can be reduced, and it is possible to improve the cost and assembling workability. In addition, according to the mounting structure of the present invention, the same lower arm can be used and the lower arm can be shared even if there is a difference in specifications depending on the presence or absence of the stabilizer.

Further, in the stabilizer mounting structure according to the present invention, the stabilizer mounting portion of the connecting member can be constituted by a vertically split holding member which holds the annular bush, so that the stabilizer bar mounting operation is further facilitated. Can be done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a stabilizer mounting structure according to an embodiment of the present invention.

FIG. 2 is a front view showing a state before a stabilizer mounting portion of a connecting rod is inserted into a support member according to the embodiment of the present invention.

FIG. 3 is a front view showing a connecting rod of a mounting structure according to another embodiment of the present invention.

FIG. 4 is a front view showing an annular bush held between the connecting rods.

FIG. 5 is a sectional view taken along line AA in FIG.

FIG. 6 is a perspective view showing a conventional stabilizer mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support member 2 Stabilizer bar 3 Lower arm 4 Connecting rod 7 Nut 8 Screw part 11 Rubber bush 12 Stabilizer attaching part 24 Connecting rod 25 Annular bush 26, 27 Holding body 28 Screw part 29 Welding nut 30 Bolt hole 31 Insert hole 32 Stabilizer attaching part 33 Mounting hole

Claims (2)

[Claims] 1. A suspension provided with a support member having one end attached to an arm supporting the left-right movement of a wheel. The support member supports the front-rear movement of the wheel, and the arm includes a stabilizer bar. In the stabilizer mounting structure in which the end is mounted via a connecting member, a stabilizer mounting portion in which an annular bush is provided at one end of the connecting member is provided, and the stabilizer mounting portion of the connecting member is connected to the supporting member together with the annular bush. A stabilizer mounting structure, wherein the stabilizer bar is mounted by inserting the stabilizer bar and connecting one end of the stabilizer bar to one end of the connecting member. 2. A stabilizer mounting portion of the connecting member,
2. The stabilizer mounting structure according to claim 1, wherein the stabilizer mounting structure is constituted by a vertically splittable holding body that holds the annular bush.