JP2594819Y2 - Cab suspension shock absorber mounting structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved shock absorber mounting structure for a cab suspension of a vehicle having a tilt cab.

[0002]

2. Description of the Related Art Some cab-over type vehicles, such as trucks, have a suspension interposed between a frame and a cab in order to improve ride comfort. A shock absorber for a vehicle equipped with the cab suspension is mounted. As disclosed in Japanese Utility Model Laid-Open Publication No. 1-63583, a structure is known in which a lower end of a shock absorber is supported by a pin protruding toward the outside of a vehicle frame, and a cab is supported by an upper end of the shock absorber. Have been. Although not shown, a device using a bracket for mounting a shock absorber is known.

[0003]

[Problems to be Solved by the Invention] However, if a shock absorber is attached to a pin protruding outside the frame, the structure near the cab mount becomes complicated, and the arrangement of parts such as the steering gear box and the cooler condenser is restricted. A problem occurred.

Accordingly, an object of the present invention is to provide a cab suspension shock absorber mounting structure which does not limit the arrangement of parts such as engine accessories.

[0005]

According to the present invention, a frame is fixed to a frame.
Elastic insulator attached to a fixed bracket
The cab can be freely rotated by fitting a spindle fixed to the cab
And the upper end of the shock absorber
While being fixed to the cab, the lower end was inserted and fixed through a rubber bush into a through hole provided in the frame.

[0006]

Since the shock absorber is inserted into and supported by the through hole provided in the frame via the rubber bush, pins and brackets for supporting the shock absorber are not required.

[0007]

This embodiment shows an embodiment in which the present invention is applied to a front suspension of a tilt cab of a cab-over type truck.

As shown in FIGS. 1 and 2, a ring-shaped insulator 5 made of an elastic material is attached to an upper portion of a bracket 3 fixed to the front of the frame 1, and a lever 6 is provided in the insulator 5. The support shaft 6a is fitted,
The lever 6 connected to the cab 2 is supported so as to be freely rotatable about a support shaft 6a.

That is, the cab 2 is supported by the bracket 3 via the lever 3 so as to be rotatable forward by the frame 1,
The transmission of vibration during traveling is absorbed by the insulator 5. A cross member 1a is attached to the front end of the frame 1 in a direction orthogonal to the horizontal direction.
1 is connected. The front bumper 7 is fixed to the frame 1 via a bracket (not shown).

A through hole 10 is provided at a predetermined position of the cross member 1a, and a rod 42 at the lower end of the shock absorber 4 is inserted through the through hole 10 and the cross member 1a.
The upper and lower surfaces of the shock absorber 4 are connected via a rubber bush 40 inserted through a rod 42, and a shaft 41 is fixed to the upper end of the shock absorber 4 in a horizontal direction.
1 is fixed to the lever 6 to attenuate the vibration of the cab 2.

The operation will be described next.

When vibration during running is applied to the cab 2, the insulator 5 and the shock absorber 4 attenuate the vibration and reduce unpleasant vibration to the driver.

Since the lower end of the shock absorber 4 is supported by the through hole 10 provided in the cross member 1a, the pins and brackets conventionally used are unnecessary, and components such as a steering gear box and a cooler condenser are not required. Can be enlarged, and the number of parts can be reduced, so that the weight can be reduced.
In the above embodiment, the cross member 1a is provided with the through hole 10 for attaching the shock absorber 4, but although not shown, the through hole 1 is formed in the side rail or the reinforcement.
0 may be provided.

[0014]

As described above, according to the present invention, since the shock absorber is inserted and supported through the rubber bush in the through hole provided in the frame, the brackets and pins conventionally used become unnecessary, and the auxiliary parts of the engine are eliminated. It is possible to increase the space for arranging parts such as the above, and it is possible to reduce the number of parts and to reduce the weight.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

[Explanation of symbols]

 1a Cross member 3 Bracket 4 Shock absorber 5 Insulator 6 Lever 10 Through hole

──────────────────────────────────────────────────の Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B62D 33/067 B62D 27/04 B60G 13/08 B60G 15/06

Claims (1)

(57) [Scope of request for utility model registration] 1. Attached to a bracket fixed to a frame
The support shaft fixed to the cab to the elastic insulator
The cab is rotatably supported by fitting, and the upper end of the shock absorber is fixed to the cab while the lower end is fixed.
Shock absorber mounting structure of the cab suspension, characterized in that it has inserted and fixed through a rubber bushing in a through hole provided in the frame.