JPH0345543Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a throttle wire locking structure for a brush cutter in which the throttle wire extending from the handle rod side to the engine side can be held by a handle mounting bracket. Regarding.

[Conventional technology]

Conventionally, a handle rod is fastened to a connecting body above a long operating rod with a cutting blade and an engine connected to each other at the front and rear ends, and a connecting rod is attached to the operating rod below the connecting body. In a brush cutter constructed by providing a body and tightening both connecting bodies with bolts at both sides of the operating rod, a slotted It had a structure in which both protrusions were provided on the sides of both connectors so as to hold the tutle wire.

[Problem that the invention attempts to solve]

However, when tightening both connecting bodies with bolts, if you operate the bolt closer to the protruding part first and tighten it strongly, the tips of both protruding parts will collide and be damaged. If the distance between the tips of both protrusions is widened to prevent damage, there is a problem in that the thin throttle wire will come off when it is tightened.

[Means for solving problems]

The present invention solves such problems and has a structure that can hold the throttle wire well without damaging it. Protruding pieces are provided that extend in the direction and the tips are bent downward and upward, and the tips of the protruding pieces are displaced from each other in the lateral or front-back direction, and when tightened, approach in an overlapping manner in the lateral or front-rear direction. The throttle wire is formed so as to be able to be inserted and held in the inner space of both protruding pieces.

[Effect]

Therefore, even if the bolt on one side of the protrusion is strongly tightened first, the two protrusions will not collide and the assembly will be successful.
This means that the throttle wire can be assembled well without coming off from the gap between the two projecting pieces.

〔Example〕

Next, the embodiment shown in the drawings will be described.

FIG. 2 shows a perspective view of the entire brush cutter, in which a long operating rod 3 housing a drive shaft 10 extends from the engine 2, and a gear case 11 connected to the tip side of the operating rod 3 is located below. The cutting blade 1 is mounted on a shaft, and a waist rest 12 covering a hanging metal fitting is attached to the rear of the operating rod 3 near the engine 2. The handlebar 4 has grips 4a, 4a on both ends thereof and a throttle lever 13 on one end, and is connected to the middle part of the bent handlebar 4, similar to the conventional structure.

The middle part of the handle rod 4, which is perpendicular to the operating rod 3, is inserted between the upper and lower connecting bodies 5a and 5, and bolts 14a and 14a are inserted from above on both front and rear sides. 14
b, 14b are inserted and tightened, and the recess 15 formed at the bottom of the connecting body 5 is placed at the top of the operating rod 3, and the recess 16 formed at the top of the connecting body 6 is placed at the bottom of the operating rod 3. Connecting bodies 5 and 6 are fitted together.
are fitted from above and below, and screw holes 17 in the vertical direction are provided on the connecting body 5 side at four locations on the front and back on both sides of the operating rod 3.
Also, vertical through holes 18 are formed on the connecting body 6 side, and bolts 7a, 7a are inserted in the front and back of one side, and bolts 7b, 7b are inserted in the front and back of the other side, respectively. It is installed and configured so that it can be attached and tightened and fixed.

Furthermore, a vibration-proof rubber may be fitted between the two connecting bodies 5, 6 and the operating rod 3.

On one side of both connecting bodies 5 and 6, there is a downward projecting piece 8 so that when tightened with one bolt 7a, 7a, they do not abut each other but are shifted in position laterally and approach each other.
A and an upward protruding piece 8b are respectively provided, and a throttle wire 9 extending from the throttle lever 13 toward the engine 2 is inserted into the inner space of both the protruding pieces 8a and 8b so as not to come off. It is installed and configured so that it can be held in place.

FIG. 8 shows another embodiment, which is indicated by the same reference numerals as the embodiment described above and is constructed in substantially the same manner, except that both protruding pieces 8a and 8b having slanted edges are shifted in position in the front-rear direction and brought closer to each other. Install and configure.

Therefore, when assembling the handle rod 4 to the operating rod 3, as shown in FIG.
Even if both bolts 7a, 7a are inserted into the b side and tightened strongly, both protruding pieces 8a, 8b will only approach each other without colliding with each other, and both protruding pieces 8a, 8
Even if the throttle wire 9 is inserted into the inner space of
This means that it can be assembled in such a way that it can be held so that it does not fall out of the gap.

In addition, vibration-proof rubber may be fitted between both connecting bodies 5, 6 and the operating rod 3, and when tightening, the bolt 7 on the other side may be
Even if b and 7b are fully tightened, both protruding pieces 8
A and 8b are assembled in close proximity to each other to prevent the throttle wire 9 from coming off.

[Effect of idea]

In this way, the present invention allows the throttle wire 9 to be properly held in the middle by a part of the mounting fitting of the handlebar 4, so that both the connecting bodies 5 and 6 for mounting the handlebar are fitted to the operating bar 3. When tightening with bolts, no matter how you tighten it, both protruding pieces 8
Both the protruding pieces 8a and 8b are brought close together without being too wide apart, which would cause damage to the parts a and 8b or the throttle wire 9 coming off.
The tightening and assembling work can be easily performed, and the throttle wire 9 can be properly secured with a simple structure that can be suitably carried out.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view taken along the - line in Fig. 3, showing the main parts of an embodiment of the present invention, Fig. 2 is a perspective view of the brush cutter, and Fig. 3 is a plan view of a part thereof; Figure 4 is a cross-sectional view taken along the - line in Figure 3, Figure 5 is an exploded view of a part of Figure 1, Figure 6 is an exploded view of a part of Figure 4, and Figure 7 is an exploded view of part of Figure 1. Part 8
The figures show other embodiments. 1...Mower blade, 2...Engine, 3...Operation rod,
4...Handle rod, 5, 6...Connection body, 7a, 7
b...Bolt, 8a, 8b...Protruding piece, 9...Throttle wire.

Claims (1)

[Scope of utility model registration request] In the middle of the long operating rod 3, which has a cutting blade 1 and an engine 2 connected to each other on the front and rear ends, there is a connecting body 5 above the operating rod 3.
A handle rod 4 is fastened to the handle rod 4, and a connecting body 6 is provided below the connecting body 5 to fit the operating rod 3, and both connecting bodies 5 and 6 are fastened to bolts 7 at both sides of the operating rod 3.
In the brush cutter configured by fastening the upper and lower connectors 5 and 7, projecting pieces 8a and 8b are provided on the same lateral side of both the upper and lower connecting bodies 5 and 6, extending in the horizontal direction and having tips bent downward and upward. The protruding pieces 8a,
The ends of the protruding pieces 8b are formed so that their positions are shifted from each other in the lateral or longitudinal direction, and when tightening, they approach in an overlapping manner in the lateral or longitudinal direction. A throttle wire locking structure characterized by being configured so that it can be inserted and held.