JPH06255540A - Lateral rod fitting part structure for automobile - Google Patents

Abstract

PURPOSE:To avoid a lateral rod fitting bracket becoming an obstacle to the layout of automobile parts such as a muffler and allow the lateral rod fitting bracket to be fixed simply to a connecting place between the side frame and cross member of a body without any restriction at the time of fitting the lateral rod fitting bracket to the body. CONSTITUTION:A cutout part 13 with one end thereof opened (a cutout part 13 with an opening 13a) is formed at a lateral rod fitting bracket 8 for rotatably supporting one end (pivot part 1a) of a lateral rod 1. In the state of an automobile component such as a muffler 9 being disposed through the cutout part 13, the lateral rod fitting bracket 8 is rigidly fixed to a body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lateral rod mounting portion structure for an automobile, and more particularly, to a lateral rod mounting bracket mounting structure for pivotally supporting one end of a lateral rod of a suspension device. It is about.

[0002]

2. Description of the Related Art In a rigid axle suspension type suspension device, a lateral rod is disposed laterally along substantially the axle in order to suppress the rolling of the axle.
This lateral rod usually has a length corresponding to almost the entire length from the vicinity of one end of the axle to the vicinity of the other end, and one end of the lateral rod is rotatably attached to the axle side (axle housing). At the same time, the other end is rotatably attached to a bracket that is directly welded and fixed to the joint between the side frame of the vehicle body and the cross member.
As a result, the lateral rod is laterally pivoted between the axle and the vehicle body with both ends pivoted.

On the other hand, since the lateral rod and the lateral rod mounting bracket occupy a large space along the lateral direction of the vehicle, conventionally, the muffler or the like is bypassed to bypass the lateral rod mounting bracket when piping automobile parts such as the muffler. The actual situation is to lay out.

[0004]

However, in the conventional structure as described above, the automobile parts such as the muffler that need to be piped in the vehicle front-rear direction must be laid out avoiding the lateral rod mounting brackets. In addition to being restricted by the layout, there is a problem that the shape of the muffler becomes complicated and the mounting work becomes troublesome.

The present invention has been made in view of the above circumstances, and an object thereof is to prevent the lateral rod mounting bracket from obstructing the layout of automobile parts such as a muffler, and moreover, to the lateral rod. An object of the present invention is to provide a lateral rod attachment structure for an automobile, in which the attachment bracket can be attached to the vehicle body easily without being restricted by a joint between the side frame and the cross member of the vehicle body.

[0006]

To achieve the above object, according to the present invention, a lateral rod mounting bracket for rotatably supporting one end of a lateral rod is provided with a notch portion having one end opened. The bracket for mounting the lateral rod is fixed to the vehicle body in a state where an automobile component such as a muffler is inserted and arranged in the cutout portion.

Further, in the present invention, the lateral rod mounting bracket is divided into a first bracket member and a second bracket member, and one end is opened in the first bracket member constituting the bracket body. A notch portion is formed, and the first bracket member and the second bracket member are attached to a cross member of the vehicle body under a state in which an automobile part such as a muffler is inserted and arranged in the notch portion. The lateral rod mounting bracket is welded to the vehicle body while being bolted.

Further, according to the present invention, the second bracket member is composed of a pair of split members, and the first bracket is inserted in a state where the frame of the vehicle body is inserted and arranged at the open end of the cutout portion. The member and the pair of split members are respectively clamped to the cross member at both sides of the frame by bolting, and the lateral rod mounting bracket is welded to the vehicle body.

[0009]

Operation: By inserting and arranging an automobile part such as a muffler in the notch formed in the lateral rod mounting bracket, the lateral rod mounting bracket can be arranged in the vehicle front-rear direction with respect to the muffler and other automobile parts. Will not become an obstacle, and the existence of the lateral rod mounting bracket will not affect the layout of automobile parts such as mufflers. Also, by utilizing the notch with one end opened (opened to the outside), the lateral rod mounting bracket can be easily attached to the vehicle body afterward even if an automobile part such as a muffler is assembled to the vehicle body first. It is possible to assemble to.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

1 to 3 show a lateral rod mounting portion structure of an automobile according to the present invention, and the mounting portion structure of this example is a rigid rod having a lateral rod 1 as one of the essential constituents. It is applied to an axle suspension type suspension device.

FIGS. 1 and 2 show a vehicle body rear portion 2 of a four-wheeled vehicle having a lateral rod mounting portion structure according to this embodiment. In FIG. 1, 3 is a vehicle body, and 4 and 5 are left and right of the vehicle body 3. A pair of side frames 6 are installed between these side frames 4 and 5, and both ends thereof are side frames 4 and 5.
A cross member fixed in a penetrating manner to the vehicle, 7 an axle (axle housing), 8 an end portion (pivot portion) 1 of a lateral rod 1 installed between the vehicle body 3 and the axle 7.
a is a lateral rod mounting bracket rotatably mounted, 9 is a muffler arranged along the vehicle front-rear direction,
10 is a fuel tank.

The lateral rod mounting bracket 8 described above
Is, as shown in FIG.
Bracket member 11 and the first bracket member 1
It is divided into a second bracket member 12 that is assembled to the first bracket member 12, and these bracket members 11 and 12 constitute one lateral rod mounting bracket 8.

Further, as clearly shown in FIGS. 3 and 4, the first bracket member (bracket body) 11 has a notch 13 having an opening (open end) 13a whose one end is open to the outside. Is formed, and this notch 13
A pair of flanges 14a and 14b are provided on the opening 13a side. Specifically, the first bracket member 11
Is formed by bending a steel plate into a U-shaped cross section as shown in FIGS. 3 and 6, and has a pair of opposed wall portions 11a, 1a.
The notch 13 is formed in each of 1b. The facing wall portions 11a and 11b are formed with substantially right-angled flanges 14a and 14b at the ends of the notch 13 on the side of the opening 13a, respectively. The flanges 14a and 14b are bent and formed. Has a bolt insertion hole (not shown). In addition, the flanges 14a, 14
An opening of the notch 13 is formed between b.

Further, these opposing wall portions 11a, 11b
Is provided with a pair of bolt insertion holes 16 and 17 (see FIG. 6) facing each other at the edge portions on the side opposite to the flanges 14a and 14b.

Further, the connecting wall portion 11c of the first bracket member 11 connecting the opposing wall portions 11a and 11b has a connecting wall portion 11c shown in FIG.
As shown in, an arcuate cross member engaging portion 15 is provided at one end on the side of the flanges 14a and 14b.

On the other hand, the above-mentioned second bracket member 12
Is composed of a pair of dividing members 18 and 19 which are divided from each other as shown in FIGS. These dividing members 18 and 19 are formed by bending a steel plate, and have arcuate center portions 18a and 19a having arcuate cross member engaging portions 20, respectively, and the arcuate center portion 18.
a, 19a and a pair of flanges 18b, 19b formed by bending on both sides. Further, the flange 14 is provided on these flanges 18b and 19b.
Bolt insertion holes (not shown) corresponding to the bolt insertion holes of a and 14b are provided.

The lateral rod mounting bracket 8 of this embodiment
In the following procedure, the vehicle body 3 is attached to a predetermined position, that is, at the joint between the side frame 5 and the cross member 6.

First, when the lateral rod mounting bracket 8 is mounted after the muffler 9 is mounted on the vehicle body 3, the first bracket member 11 is moved with respect to the muffler 9 so that the cutout portion 13 is removed. The muffler 9 is placed through the opening 13a so that it can be inserted into and removed from the inner part 13b of the cutout portion 13, and the side frame 5 is inserted and arranged in the opening 13a.
The engaging portion 15 of is attached to the cross member 6. When the lateral rod mounting bracket 8 is mounted before mounting the muffler 9 on the vehicle body 3, the muffler 9 before mounting
The engaging portion 15 of the first bracket member 11 is attached to the cross member 6 by moving these members together in a state where they are inserted and arranged in the inner portion 13b of the cutout portion 13.

Thereafter, the flanges 14a and 14b of the first bracket member 11 attached to the cross member 6 are applied with the flanges 18b and 19b of the pair of dividing members 18 and 19, and the dividing members 18 and 19 are The arcuate central portions 18a and 19a of 19 are attached to the cross member 6.

Then, the flanges 14a, 14b and 18b, 19b are fastened with bolts 22 and nuts 23 using the bolt insertion holes (see FIG. 1). Then, both side portions of the cross member engaging portions of the dividing members 18 and 19 are welded to the side frame 5 and the cross member 6 by welding 24, respectively.

By the above work, the lateral rod mounting bracket 8 is fixed to the vehicle body 3, and the muffler 9 is pierced in the notch 13 of the bracket 8 in a piped state.

After the lateral rod mounting bracket 8 is mounted, the opposing wall portions 11a, 1 of the bracket 8 are mounted.
One end portion (pivot portion) 1a of the lateral rod 1 is arranged between the lower end edge portions of 1b, and the opposing wall portions 11a and 11b are provided.
The bolt portion 26 is inserted into the bolt insertion holes 16 and 17 and the center hole 25 of the pivot portion 1a, and is screwed to the nut 27 to rotatably support the pivot portion 1a.
Thus, one end of the lateral rod 1 is rotatably attached to the bracket 8 on the vehicle body 3 side, while the other end is attached to the axle 7.
Rotatably attached to the side of

According to the lateral rod mounting portion structure of the present embodiment, the muffler 9 is passed through the cutout portion 13 of the first bracket member 11 constituting the bracket body, so that the pipe for the muffler 9 is piped. Since it is not necessary to bypass the first bracket member 11 when performing the above, it is possible to prevent the lateral rod mounting bracket 8 from becoming an obstacle in the layout of the muffler 9. That is, the layout of the muffler 9 is not affected by the lateral rod mounting bracket 8, and the degree of freedom in design can be improved.

Further, as described above, the lateral rod mounting bracket 8 can be easily attached before or after the muffler 9 is attached. Is not restricted by.

Further, according to this example, the second bracket member 12 as the mounting means for the first bracket member 11 is provided.
The second bracket member 12 to be welded to the vehicle body 3 is directly welded to the vehicle body 3, but the second bracket member 12 is welded to the vehicle body 3.
Since it is divided into 8 and 19, the mounting position of the lateral rod mounting bracket 8 is not restricted with respect to the obstacle such as the side frame 5 and the like, depending on the position of the obstacle such as the side frame 5. The lateral rod mounting bracket 8 can be mounted.

Further, the side frame 5 and the cross member 6
Since the pair of split members 18 and 19 are positioned by means of, it is not necessary to use a mounting jig dedicated to the split members 18 and 19, and the mounting jig can be omitted.

The embodiment of the present invention has been described above.
The present invention is not limited to this embodiment, and various modifications and changes can be made based on the technical idea of the present invention. For example, the shapes of the first bracket member 11 and the second bracket member 12, especially the first bracket member 11
The shape of the notch 13 can be modified as required.
Further, a heat-resistant band-shaped member may be interposed between the cutout portion 13 and the muffler 9 to hold the intermediate portion of the muffler 9 and prevent vibration of the muffler 9 at this location.
Further, it is not limited to the muffler 9 to be inserted into the cutout portion 13 and other pipe parts may be inserted.

[0029]

As described above, according to the present invention, the lateral rod mounting bracket is fixed to the vehicle body under the condition that the automobile parts such as the muffler are inserted through the notches formed in the lateral rod mounting bracket. Thus, it is possible to prevent the lateral rod mounting bracket from becoming an obstacle in the layout of automobile parts such as a muffler.

Further, since the notched portion having one end opened is used, the lateral rod mounting bracket can be mounted on the vehicle body before or after mounting the automobile parts such as the muffler. Can be performed easily. Moreover, the side frame and the cross member of the vehicle body can be used for positioning the lateral rod mounting bracket.

Further, by adopting a structure in which the lateral rod mounting bracket is divided into a first bracket member (bracket body) and a second bracket member (mounting member), the lateral rod mounting bracket is a special mounting member. It is possible to fix the lateral rod mounting bracket to the vehicle body without using the and with good assembling property.

Further, by dividing the second bracket member into a pair of dividing members, the bracket mounting position is not restricted by an obstacle such as a side frame of the vehicle body, and these dividing members are separated from each other. By positioning with the side frame and the cross member of the vehicle body, it becomes possible to omit the mounting jig and the like.

[Brief description of drawings]

FIG. 1 is a plan view showing a rear portion of a vehicle body of a four-wheeled vehicle equipped with a lateral rod attachment portion structure according to the present invention.

FIG. 2 is a side view of a rear portion of a vehicle body.

FIG. 3 is a perspective view showing a lateral rod mounting portion structure in a rear portion of the vehicle body.

FIG. 4 is a front view of a lateral rod mounting bracket.

FIG. 5 is a plan view showing how the lateral rod mounting bracket is mounted on the vehicle body.

6 is a cross-sectional view taken along the line AA in FIG.

[Explanation of symbols]

 1 Lateral Rod 1a Pivot Part 3 Vehicle Body 4, 5 Side Frame 6 Cross Member 7 Axle 8 Lateral Rod Mounting Bracket 9 Muffler (Automotive Parts) 11 First Bracket Member 12 Second Bracket Member 13 Notch 13a Opening 13b Inner Part 18, 19 Dividing member 22 Bolt 23 Nut 24 Welding

Claims (3)

[Claims] 1. A state in which a lateral rod mounting bracket that rotatably supports one end of a lateral rod is formed with a cutout portion having one end opened, and an automobile part such as a muffler is inserted and arranged in the cutout portion. A lateral rod mounting portion structure for an automobile, wherein the lateral rod mounting bracket is fixed to a vehicle body under the vehicle. 2. The lateral rod mounting bracket is divided into a first bracket member and a second bracket member, and a notch portion having one end opened is formed in the first bracket member constituting the bracket body. The first bracket member and the second bracket member are clamped to the cross member of the vehicle body and bolted while the automobile parts such as muffler are inserted and arranged in the notches. The lateral rod mounting structure for a vehicle according to claim 1, wherein the lateral rod mounting bracket is welded to the vehicle body. 3. The first bracket member and the pair in a state in which the second bracket member is composed of a pair of split members, and the frame of the vehicle body is inserted and arranged at the open end of the cutout portion. The split member and the split member are clamped to the cross member at both sides of the frame and bolted, and the lateral rod mounting bracket is welded to the vehicle body. The lateral rod attachment structure of the described automobile.