JPS60144813A - Steering handle bracket device of outboard motor - Google Patents

Abstract

PURPOSE:To reduce oscillators of a steering handle and to facilitate steering by interposing an oscillation insulator between coupling members of the support bracket and steering handle of an outboard motor body. CONSTITUTION:Tips of the two-pronged parts of the two-pronged support bracket 3 are fitted while vibrations are isolated through rubber cushions, and further the steering handle 7 is provided to the bracket 3 through the support bracket 5 and the coupling member of a handle support 6 fitted to its one flank. Then, the oscillation insulator such as the rubber cushion 8 is interposed between coupling parts of the bracket 5 and bracket 3. In this case, a clamping bolt 9 is so formed as to be fixed individually to the bracket 3, so the rubber 8 is prevented from being clamped too much and when large force is required by the handle 7, the rubber abuts on the bolt 9.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a steering handle bracket device for a ship's aircraft, and in particular to a steering bracket device for reducing the steering movement of a steering link handle. Regarding the improvement of ≠・.

[Prior art] An outboard motor mounted on the stern of a small boat, etc. can be used to steer the boat from the boat using the steering handle that protrudes forward. When controlling the speed of an aircraft internal combustion engine, the vibrations of the internal combustion engine described above are transmitted to the steering wheel, so the vibration of the steering wheel is large, making it difficult to steer, causing severe fatigue to the operator, and affecting the steering feel. There was no way I could get 1 because it was bad.

Therefore, as measures to reduce the vibration of conventional steering handles, consideration has been given to reviewing the structure of the steering wheel, and using anti-vibration and dynamic vibration absorbers for the steering wheel, but a sufficient vibration reduction effect has not been obtained.

[Purpose of the invention]

Therefore, the present invention solves the above-mentioned problems with the conventional steering handle. This was done for the purpose of reducing the amount of vibration and making steering easier.

[Structure of the invention]

That is, the steering handle support device of the present invention has the following features:
It is constructed by interposing a vibration insulator between a connecting member between the support bracket of the outboard motor body and the steering handle.

〔Example〕

The present invention will be described in detail below with reference to the drawings. FIG. 1 is a schematic side view showing a steering handle bracket device for an outboard motor according to an embodiment of the present invention, and FIG. 2 is a schematic side view showing the support bracket of FIG. Fig. 3 is an enlarged plan view of the support bracket shown in Fig. 2, Fig. 4 is an enlarged plan cross-sectional view of the connection part shown in Fig. 3, and Fig. 5 shows vibrations in other embodiments. FIG. 3 is a plan cross-sectional view of an insulator.

First, for the outboard motor body 2 which has the internal combustion engine 1 built into the upper part as shown in FIG. 4
Furthermore, the steering handle 7 is attached to the support bracket (B) 6 via the connecting part of the support bracket (A) 5 and the handle support 6 attached to one side thereof. It is provided.

Therefore, a vibration insulator such as a vibration isolating comb 8 is interposed at the connecting portion between the support bracket (A) 5 and the support bracket (B) 3.

In this case, the tightening bolt 9 is the support bracket) (B
) 3, so that the vibration isolating rubber 8 is not over-tightened, and this tightening bolt 9 is used when a large force is required on the steering handle 7.

The shape of the vibration isolating rubber 8, which is the vibration insulator, is ■-
It is not limited to the shape of the embodiment shown in FIG. 4, but may be of a cylindrical shape through which the tightening bolt 9 passes, as shown in another embodiment of FIG. 5.

[Effect]

The vibration reduction effect of the steering handle of an outboard motor employing the steering handle bracket device of the present invention having the above configuration and a conventional one is shown in the vibration levels (
dB) and the engine rotation speed (rpm), the conventional one is shown by solid line A, and the one adopting the present invention is shown by broken line B. Particularly in the high speed range, the vibration level It has been confirmed that the amount of noise is reduced by about 7 dB.

〔Effect of the invention〕

Therefore, by adopting the present invention, the vibration of the steering wheel is significantly reduced and the steering feeling is improved.

[Brief explanation of drawings]

FIG. 1 is a schematic side view showing a steering handle bracket device for an outboard motor according to an embodiment of the present invention, FIG. 2 is an enlarged plan view of the support bracket and handle support shown in FIG. 1, and FIG. Fig. 4 is an enlarged plan sectional view of the support bracket of Fig. 3, Fig. 5 is a plan sectional view of the vibration insulator in another example, and Fig. 6 shows the vibration level and It is a relationship diagram with engine rotation speed. 2...Outboard motor body 3...Support bracket) (
B) 5. Support bracket (A) 6. Handle support 7. Steering handle 8. Anti-vibration rubber.

Claims (1)

[Claims] A vibration insulator is inserted between the support bracket of the outboard motor body and the connecting member of the steering handle.
Steering handle bracket device for outboard motors with lj characteristics.