JPS6348410Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a top support for an automobile suspension system.

As shown in FIGS. 1 and 2, the upper support 1 of the conventional suspension system includes an inner cylindrical metal fitting 4 to which the upper end of the rod 2A of the shock absorber 2 is attached.
An intermediate metal fitting 6 is bonded to the outer periphery of this inner cylindrical metal fitting 4 via an inner layer rubber 10 and has a receiving frame 6A for a coil spring 14 at the other end, and an intermediate metal fitting 6 is bonded to the outer periphery of this intermediate metal fitting 6 via an outer layer rubber 12. Outer cylinder metal fitting 8 equipped with a flange 8A that is bonded and connected to the vehicle body
and a rubber layer 10A that connects to the inner rubber layer 10 and covers the inner surface of the intermediate metal fitting 6 up to the receiving frame 6A,
An inner rubber layer 10 and an outer rubber layer 12 for vibration isolation are interposed between these metal fittings 4, 6, and 8, respectively, and are integrally molded.
12 is vulcanized and bonded to the inner cylindrical metal fitting 4, the intermediate metal fitting 6, and the outer cylindrical metal fitting 8, respectively, and has excellent elasticity and tensile strength, making the upper support as a whole structurally strong.

A coil spring 14 is attached to the lower end of the intermediate metal fitting 6.
A receiving frame 6A is formed in which the intermediate fitting 6 receives the vertical load of the coil spring 14, and particularly requires structural strength and durability.

As shown in Figure 2, Atsupa Support 1 is installed inside the wheel house, so there are many opportunities for mud and water to adhere to it due to the splashing of tires. Rust prevention treatment is required.

However, after the vulcanization treatment for ensuring performance and durability as a vibration-proof rubber, baking coating cannot be applied to the intermediate fitting 6, and only spray coating can be applied. In addition, spray painting must be repeated several times to ensure rust prevention performance, which reduces work efficiency.

In addition, if baking paint is applied only to the intermediate metal fitting 6 before integrally vulcanizing the Atsupa Support, the adhesive strength with the outer layer rubber 12 will not be obtained, and the structural strength and durability required for the Atsupa Support will not be achieved. There was a problem in that it was not possible to secure a sufficient amount of resources.

The present invention was devised in view of the above-mentioned problems of the conventional technology, and its purpose is to ensure sufficient structural strength as a top support for a suspension system, and to ensure sufficient rust prevention performance of the intermediate metal fittings. .

In order to achieve the above object, the present invention is characterized in that a rubber layer is formed by vulcanization over the entire outer peripheral surface of the intermediate metal fitting that constitutes the upper support of the suspension system.

Hereinafter, an embodiment of the heat sink support according to the present invention will be described with reference to the drawings.

In FIG. 3, the Atsupa support 20 according to the present invention has an inner rubber layer 1 around a cylindrical inner tube fitting 4.
An intermediate metal fitting 6 is provided through the middle metal fitting 6, and an outer cylindrical metal fitting 8 is further provided around the intermediate metal fitting 6 with an outer rubber layer 12 interposed therebetween.

The tip of the rod 2A of the shock absorber 2 attached to the axle 21 is attached to the inner cylindrical metal fitting 4, and the inner layer rubber 10 provided between it and the intermediate metal fitting 6 resists vibrations transmitted from the shock absorber 2. The wall is thick so that it has an anti-vibration effect.

The intermediate metal fitting 6 is the rod 2 of the shock absorber.
A coil spring 14 is installed at the lower end of the intermediate fitting 6, the lower end of which is supported by a receiving part 22 attached to the shock absorber 2. A receiving frame 6A is formed for this purpose. This receiving frame 6A
A rubber layer 10A is formed on the rubber layer 10A.
is connected to the inner rubber layer 10, and noise countermeasures are taken.

The outer rubber layer 12 provided between the intermediate metal fitting 6 and the outer cylindrical metal fitting 8 is thick so as to have a vibration-proofing effect against vibrations from the coil spring 14.

A rubber layer 12A that is thinner than the outer rubber layer 12 is formed on the entire outer peripheral surface of the intermediate metal fitting 6, which is connected to the outer rubber layer 12 and covers the inner surface of the intermediate metal fitting 6 up to the receiving frame 6A, so that the outer peripheral surface of the intermediate metal fitting 6 is directly exposed to the atmosphere. I'm learning not to touch it.

Inner layer rubber 10, outer layer rubber 12, rubber layer 10A,
12A are all vulcanized and integrally formed with the inner cylindrical metal fitting 4, the intermediate metal fitting 6, and the outer cylindrical metal fitting 8.

The outer cylinder fitting 8 is formed with a flange portion 8A that extends outward, and the upper support 20 is fixed to the lower surface of the vehicle body 24 via this flange portion 8A with bolts and nuts.

Reference numeral 26 denotes a sealing member provided on the outer periphery of the base of the flange portion 8A of the outer cylinder fitting 8, and is used to prevent water or the like from entering through the gap between the outer cylinder fitting 8 and the vehicle body 24.

As is clear from the above explanation, according to the present invention, by forming a rubber layer that tightly adheres to the entire outer peripheral surface of the intermediate metal fitting, the intermediate metal fitting is not directly exposed to the outside air and water does not adhere to it. It can enhance the rust effect.

Furthermore, even if a stone or the like thrown by a tire collides with it, the cushioning effect of the rubber layer prevents the intermediate fitting from being damaged, improving durability.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional view of the conventional Atsupa Support, Figure 2
The figure shows its usage state, and FIG. 3 is a sectional view of an embodiment of the upper support according to the present invention. 4...Inner tube metal fitting, 6...Intermediate metal fitting, 8...Outer tube metal fitting, 10...Inner layer rubber, 12...Outer layer rubber, 1
2A...Rubber layer formed on the outer peripheral surface of the intermediate metal fitting.

Claims (1)

[Scope of utility model registration request] An inner cylindrical metal fitting that fixes the rod end of the shock absorber, an intermediate metal fitting that is adhered to the outer periphery of the inner cylindrical metal fitting via an inner layer rubber and has a receiving frame for a coil spring at the other end, and an outer layer on the outer periphery of this intermediate metal fitting. A suspension integrally formed with an outer cylindrical metal fitting having a flange portion that is bonded via rubber and connected to the vehicle body, and a rubber layer that is connected to the inner layer rubber and covers the inner surface of the intermediate metal fitting up to the receiving frame. An atsupa support for a suspension system, characterized in that the atsupa support for a suspension system is provided with a rubber layer that is integrally molded with the outer rubber layer and covers the entire outer peripheral surface of the intermediate metal fitting up to the lower end of the intermediate metal fitting.