KR20030083296A - Mounting structure of stabilizer in automobile - Google Patents

Abstract

PURPOSE: Installation structure of a stabilizer for a vehicle is provided to reduce noise and vibration during traveling by increasing the contact force between a bush and a stabilizer with installing an inner clip in the bush mounting clip for pressing the bush. CONSTITUTION: A bush(10) is combined with a stabilizer, and contacted to a bush mounting bracket(30) by a bush mounting clip(100). The bush mounting bracket is fastened to a vehicle body, and a press unit is installed in the bush mounting clip to contact the bush to the stabilizer by pressing the outer periphery of the bush. The press unit has a hole penetrating the bush mounting bracket and forming the thread in the inner periphery, a screw rod(110) fitted to the hole and composed of a wrench groove fitting the wrench, and an inner clip(120) combined with the lower part of the screw rod with rotating and contacted to the bush.

Description

Stabilizing structure of automobile {Mounting structure of stabilizer in automobile}

The present invention relates to a stabilizer mounting structure of an automobile, and more particularly, improves the adhesion to the coupling portion of the stabilizer and the bush, and in the case of loosening, the stabilizer and the bush can be easily adhered by a simple operation without replacing parts. It relates to a stabilizer mounting structure of a motor vehicle.

In general, the suspension system is a device that prevents damage to the vehicle body or the load and improves the riding comfort by not directly transmitting vibrations or shocks received from the road surface while driving, and is provided with front suspensions and rears respectively installed in front and rear of the vehicle body. It is classified as a suspension device.

Such a suspension component includes a stabilizer for reducing a rolling phenomenon in which the vehicle body is inclined in the left and right directions when the vehicle is turning or being winded. The stabilizer is provided in both the front suspension system and the rear suspension system. Both ends are installed in combination with suspension arms (usually lower arms) attached to the left and right wheels, respectively.

The stabilizer 1 is coupled to the bushing bracket 30 via the bush 10 and the bushing clip 20 as shown in FIGS. 1 to 3, and the bushing bracket 30 ) Is coupled to a vehicle body (eg crossmember, etc.) not shown.

Through holes 11 are formed inside the bush 10 so that both side surfaces in the longitudinal direction penetrate each other, and the through holes 11 are cut out to be connected to the side surface by the cutting groove 12 having a predetermined width. have.

Therefore, the operator opens the incision groove 12 provided in the bush 10 to both sides to fit the middle predetermined portion of the stabilizer 1 into the through hole 11 to engage, and the bottom surface of the bush 10 The bush mounting bracket 30 is adhered to one surface, and then the bushing is mounted using a plurality of bolts 40 while the inner surface of the bush mounting clip 20 having a hat-shaped cross section on the outer circumferential surface of the bush 10. When the clip 20 is screwed to the bushing bracket 30, a predetermined portion of the stabilizer 1 is connected to the bushing bracket 30 via the bush 10 and the bushing clip 20. To be combined.

When the bushing bracket 30 is coupled to a vehicle body (eg, a cross member), the stabilizer 1 is connected to the vehicle body by the bush 10, the bushing clip 20, and the bushing bracket 30. It has a structure that is coupled to.

Here, bolt holes 21 through which the bolt 40 penetrates are formed in both side portions of the bushing clip 20, and the bolt 40 is screwed to the bushing bracket 30. The hole 31 is formed.

However, the conventional bush as described above is formed of a viscoelastic material such as rubber, etc. When the cyclic load is applied to the stabilizer, the bush gradually ages due to the characteristics of the material, and thus the durability is weakened. The loose coupling part between the stabilizer and the bushing clip reduces the adhesion between the bush and the stabilizer, which not only causes severe noise and noise while driving, but also deteriorates the overall performance of the vehicle's NVH (Noise Vibration Harshness). there was.

Accordingly, the present invention has been made to solve the above problems, by providing a pressing means that can adjust the pressing force by the operation between the bush and the stabilizer, the adhesion to the coupling portion of the bush and stabilizer easily The object is to provide a stabilizer mounting structure for an adjustable vehicle.

1 is a perspective view showing a stabilizer commonly used;

Figure 2 is an exploded perspective view for explaining the mounting structure of the stabilizer shown in FIG.

3 is a longitudinal sectional view for explaining a mounting structure of the stabilizer shown in FIG.

Figure 4 is an exploded perspective view for explaining a stabilizer mounting structure of a vehicle according to an embodiment of the present invention,

5 is a longitudinal sectional view in a state in which FIG. 1 is coupled;

6 is an exploded perspective view of the screw rod and the inner clip shown in FIGS. 4 and 5.

<Description of Symbols for Major Parts of Drawings>

1: stabilizer 10: bush

30: Bush mounting bracket 40: Bolt

100: bushing clip 110: screw rod

111: wrench groove 120: inner clip

121: rivet hole 122: rivet

130: retaining nut

Stabilizer mounting structure of the vehicle according to the present invention for achieving the above object, the bush coupled to the stabilizer is attached to the bushing bracket by a bushing mounting clip surrounding the outer peripheral surface and the bushing bracket is fixed to the vehicle body In the stabilizer mounting structure, the pressing means for pressing the outer circumferential surface of the bush is further provided on the inner circumferential surface of the bushing clip so that the bush and the stabilizer are in close contact with each other.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is an exploded perspective view for explaining the mounting structure of the stabilizer according to a preferred embodiment of the present invention, Figure 5 is a longitudinal cross-sectional view in the state combined with Figure 1, the same parts as the conventional structure with the same reference numerals described Let's do it.

Stabilizer 1 installed in the suspension according to the present invention is coupled to the bushing bracket 30 via the bush 10 and the bushing mounting clip 100 as shown in Figures 4 and 5, The bushing mounting bracket 30 is coupled to a vehicle body (eg, a cross member) not shown.

Through holes 11 are formed in the bush 10 so that both side surfaces in the longitudinal direction penetrate each other, and the through holes 11 are cut out to be connected to the side surface by a cutting groove 12 having a predetermined width. It is.

The upper end of the bushing bracket 100 is formed with a hole 101 in which a screw line is processed on its inner circumferential surface, and a screw rod 110 fitted into the hole 101 in the bushing bracket 100, and An inner clip 120 is rotatably coupled to the lower end of the screw rod 110 and formed in a hat shape so that the lower surface of the screw rod 110 faces the upper outer circumferential surface of the bush 10.

Here, as can be seen with reference to Figure 6, the upper end of the screw rod 110 is formed with a wrench groove 111 that can be rotated by turning the hexagon wrench, the inner clip 120 is formed with a rivet hole 121 is formed The rivet 122 is inserted into the rivet hole (not shown) formed at the lower end of the threaded rod 110 through the rivet hole 121 to make a rivet joint, but the diameter of the rivet hole 121 is riveted ( By forming a slightly larger margin than the diameter of 122, the screw rod 110 and the inner clip 120 is rotatably coupled to each other.

Therefore, the operator opens the incision groove 12 provided in the bush 10 to both sides to fit the middle predetermined portion of the stabilizer 1 into the through hole 11 to engage, and the bottom surface of the bush 10 After attaching to one surface of the bushing bracket 30, while the inner surface and the lower surface of the inner clip 120 of the bush mounting clip 100 having a hat-shaped cross-section on the outer peripheral surface of the bush (10) When the bushing clip 100 is screwed to the bushing bracket 30 using a bolt 40, a predetermined portion in the middle of the stabilizer 1 connects the bush 10 and the bushing clip 100 to each other. It is to be coupled to the bushing mounting bracket 30 as a medium.

When the bushing bracket 30 is coupled to a vehicle body (eg, a cross member), the stabilizer 1 is connected to the vehicle body by the bush 10, the bushing clip 100, and the bushing bracket 30. It has a structure that is coupled to.

Here, the operator inserts a hexagon wrench into the wrench groove 111 of the screw rod 110 and rotates in one direction, while the screw rod 110 rotates along the screw line of the hole 101 formed in the upper portion of the bushing clip 100, and the inner The clip 120 moves downward, and the upper outer circumferential surface of the bush 10 is pressed by the inner clip 120 moving downward, thereby bringing the bush 10 and the stabilizer 1 into close contact with each other.

As such, the bush 10 and the stabilizer 1 are brought into close contact with the appropriate pressing force by the inner clip 120, and then the fixing nut () is attached to the upper end of the threaded rod 110 protruding to the upper portion of the bush mounting clip 100. By using 130, the free rotation of the screw rod 110 is suppressed due to vibration during traveling.

As described above, according to the stabilizer mounting structure of the present invention in which the outer circumferential surface of the bush 10 coupled to the stabilizer 1 is compressed and fixed with the inner clip 120, the assembly work is poor and thus the stabilizer is shipped from the vehicle. As the riser 1 and the bush 10 are not in close contact with each other or the vehicle is driven for a long period of time, the repeated load acts on the stabilizer 1 and the material properties of the bush 10 are aged to couple between the bush and the stabilizer. In the case where the part becomes loose, the bush 10 and the stabilizer are operated by the simple operation of pressing the screw 10 by moving the inner clip 120 downward by a predetermined distance by turning the screw rod 110 with a hexagon wrench. (1) can be stuck.

The present invention is described above by illustrating specific embodiments, but the present invention is not limited to the above embodiments. Those skilled in the art can easily make various changes and modifications to the present invention, and it should be noted that such variations or modifications are included within the scope of the present invention as long as the features of the present invention are used.

As described above, according to the present invention, by installing the inner clip for crimping the bush inside the bushing clip, the adhesion between the bush and the stabilizer can be increased to maximize the driving noise of the vehicle and the NVH of the overall vehicle. It also has the effect of improving performance.

In addition, the present invention, the inner clip for pressing the bush is configured to adjust the pressing force by moving the distance by a screw rod that can be inserted into the wrench, so that the assembly work at the time of shipment of the vehicle is poor or the vehicle is driven for a long time the bush When the material properties of the aging is not close to the bush and stabilizer is loose, there is an effect that can be in close contact with the bush and stabilizer only by simple operation of turning the screw rod.

As such, when the coupling part between the bush and the stabilizer becomes loose due to the change in the material properties of the bush due to the long-term driving of the vehicle, the bush and the stabilizer can be brought into close contact without replacing the component, thereby reducing the cost of replacing the component. The maintenance cost of the vehicle can be reduced.

Claims (4)

In the stabilizer mounting structure of a vehicle in which the bush coupled to the stabilizer is attached to the bush mounting bracket by a bush mounting clip surrounding the outer circumferential surface, and the bush mounting bracket is fixed to the vehicle body. Stabilizer mounting structure of the vehicle, characterized in that the pressing means for pressing the outer circumferential surface of the bush is further provided on the inner circumferential surface of the bush mounting clip so that the bush and the stabilizer are in close contact with each other. The method of claim 1, wherein the crimping means, A hole formed through the bushing bracket and having a thread line processed on an inner circumferential surface thereof; A screw rod having a wrench groove formed therein to be screwed into the hole and allowing the wrench to be inserted thereon; Stabilizer mounting structure of the vehicle, characterized in that the lower end of the screw rod is rotatably coupled and consists of an inner clip that the lower end is attached to the bush. The stabilizer mounting structure of claim 2, wherein the screw rod and the inner clip are rotatably coupled to the rivet joint. The stabilizer mounting structure of claim 2 or 3, further comprising a fixing nut fitted to an upper end of the screw rod protruding upward through the hole of the mounting bush clip.