JPH10217730A - Bump stopper construction for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a fitting work and prevent an abnormal sound from generating by providing a first hole on the engaging part of a bump stopper, and penetrating through a hollow part outward through the first hole. SOLUTION: In this bump stopper 6, the upper part is a nearly conical engaging part 10, the lower part is a main body part 12 having a plurality of ribs 11. A through hole 15 communicating in the axial direction from the upper end 13 of the bump stopper 6 to the lower end 14 is provided, and a hollow part 16 is formed by the through hole 15. This hollow part 16 is formed so that the diameter is gradually enlarged downward at the engaging part 10, the diameter is same at the main body part 12, and it is locally spread at the lower end part 14. Because the hollow part 16 is penetrated through in the axial direction, and the wall thickness of the engaging part 10 becomes thin, the bump stopper 6 can be simply inserted into the fitting hole of a bracket 9 by hands. When the bump stopper 6 is compressed, air in the hollow part 16 is exhausted from the upper end 13 of the bump stopper, and hence an abnormal sound is prevented from generating.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a structure of a bump stopper for a vehicle.

[0002]

2. Description of the Related Art A conventional bump stopper structure will be described with reference to FIG. 4 which is a schematic view of a portion near a rear axle of a vehicle. Wheels 101 and tires 102 are disposed at both ends of a vehicle body, and the wheels 101 are connected to each other by a rear axle housing 103 in a vehicle width direction. A body panel 104 is provided above the rear axle housing 103, and a bump stopper 106 is attached to a lower portion of the body panel 104 via a bracket 105. The bump stopper 10
6, a stopper sheet 107 is provided, and a coil spring 108 is provided outside the stopper sheet 107. FIG. 5 shows a vertical cross-sectional view of the bump stopper 106.

The bump stopper 106 is generally made of an elastic material such as rubber, and has a plurality of ribs 109 on the outer periphery. In addition, an opening 110 is provided at the lower end, and a hollow portion 111 communicating upward from the opening 110 is provided. The upper engaging portion 112 has a substantially conical shape, and the bump stopper 106 is attached to the vehicle body panel 104 by fitting the engaging portion into the attachment hole of the bracket 105.

The bump stopper structure prevents the tire 102 from interfering with the vehicle body panel 104 by the bump stopper 106 abutting against the stopper sheet 107 when the vehicle travels on a rough road or a bumpy road surface. doing.

[0005]

However, the conventional bump stopper structure for a vehicle has the following problems. (1) Since the outer diameter of the flange 113 of the bump stopper 106 is sufficiently larger than the inner diameter of the mounting hole of the bracket 105, a large force such as hitting with a hammer is required to insert the bump stopper 106 into the mounting hole. The mounting workability was poor. (2) When the bump stopper 106 is compressed,
The air in the hollow portion 111 became high pressure, and abnormal noise was generated between the lower end portion 110 of the bump stopper and the stopper sheet 107, which was annoying.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle bump stopper structure which can be easily mounted and does not generate abnormal noise.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned object, and the gist of the present invention is to provide an engagement portion at an upper portion and a hollow portion inside a bump stopper having a main body portion at a lower portion. In the vehicle bump stopper structure provided with
A first hole is provided in the engaging portion of the bump stopper, and the hollow portion is penetrated outward through the first hole.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a bump stopper structure for a vehicle according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic diagram showing a side surface near a rear axle. A body frame 1 is disposed in the front-rear direction of the vehicle. A rear axle housing 2 is attached to the body frame 1 via an upper arm 3, a trailing rod 4, and a shock absorber 5. A bump stopper 6, a coil spring 7, and a stopper sheet 8 are provided between the shock absorber 5 and the upper arm 3.
Is provided. A bracket 9 is attached to a lower surface of the vehicle body frame 1, and a bump stopper 6 is provided below the bracket 9. On the other hand, a stopper sheet 8 is provided on the upper surface of the rear axle housing 2, and a coil spring 7 is arranged around the bump stopper 6 and the stopper sheet 8 so as to connect the vehicle body frame 1 and the rear axle housing 2. I have.

Next, an enlarged sectional view of the bump stopper 6 is shown in FIG. The upper portion of the bump stopper 6 is a substantially conical engagement portion 10, and the lower portion is a main body portion 12 having a plurality of ribs 11. A through hole 15 is provided in the axial direction from the upper end 13 to the lower end 14 of the bump stopper 6, and a hollow portion 16 is formed by the through hole 15. The diameter of the hollow portion 16 gradually increases downward in the engagement portion 10, has the same diameter in the main body portion 12, and locally expands in the lower end portion 14.

Since the hollow portion 16 penetrates in the axial direction, the thickness of the engaging portion 10 is substantially reduced, so that the bump stopper 6 can be easily inserted into the mounting hole of the bracket 9 by hand. it can. Further, when the bump stopper 6 is compressed, the air in the hollow portion 16 is discharged from the upper end 13 of the bump stopper, so that no noise is generated.

The hollow portion 16 of the bump stopper 6 is not limited to the shape penetrating in the axial direction as described above. For example,
As shown in FIG. 3, a discharge hole 17 may be provided inward from the upper side surface of the main body 12, and the discharge hole 17 may communicate with the hollow portion 16.

Other Embodiments i) The position of the discharge hole 17 of the bump stopper 6 shown in FIG. 3 is not limited to the upper side surface of the main body 12, and there is no problem in the central side surface or the lower side surface. ii) To prevent the water accumulated in the stopper sheet 8 from being discharged from the upper end portion 13 of the bump stopper 6 and splashing on the vehicle body panel when the bump stopper 6 is compressed, the upper end portion 13 is closed and the main body is closed. Discharge hole 1 on the side of the part 12
7 may be provided.

[0013]

As described above, according to the bump stopper structure for a vehicle according to the present invention, (1) since the bump stopper 6 can be easily mounted on the bracket 9 of the vehicle body by hand, the mounting workability is improved. improves. (2) The work time can be shortened because the bump stopper 6 can be easily attached to the bracket 9 of the vehicle body by hand.
Production costs can be reduced. (3) When the vehicle travels on a bad road or the like, since the air in the hollow portion 16 is discharged from the upper end 13 of the bump stopper, no noise is generated and the occupant does not feel uncomfortable. (4) Since water is not discharged from the upper end 13 of the bump stopper 6, rust does not occur in the vehicle body, and the quality is improved.

[Brief description of the drawings]

FIG. 1 is a schematic view illustrating a side surface of a rear portion of a vehicle according to the present invention.

FIG. 2 is an enlarged sectional view of a bump stopper according to the present invention.

FIG. 3 is an enlarged sectional view of a bump stopper according to another embodiment.

FIG. 4 is a schematic view showing a cross-section of a portion near a conventional rear axle.

FIG. 5 is an enlarged sectional view of a conventional bump stopper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body frame 2 Rear axle housing 3 Upper arm 4 Trailing rod 5 Shock absorber 6 Bump stopper 7 Coil spring 8 Stopper sheet 9 Bracket 10 Engaging part 11 Rib 12 Main part 13 Upper end 14 Lower end 15 Through hole 16 Hollow part 17 Drain hole

Claims (2)

[Claims] 1. A vehicle bump stopper structure having an engagement portion at an upper portion and a hollow portion inside a bump stopper having a body portion at a lower portion, wherein a first hole is provided in the engagement portion of the bump stopper. A bump stopper structure for a vehicle, wherein the hollow portion is penetrated outward through the first hole. 2. A second side surface of the main body of the bump stopper.
2. The bump stopper structure for a vehicle according to claim 1, wherein said hole is provided.