JPS5918881Y2 - motorcycle wheel - Google Patents

Description

[Detailed description of the invention] This invention relates to an improvement of a two-wheeled vehicle wheel in which a rim and a bub are connected by spokes.

Generally, two-wheeled vehicles such as motorcycles use wheels in which a rim and a hub are connected by spokes.

In that case, a transverse hole is usually bored in the bub through which the rim passes, and a spoke with its inner end bent into a key shape is passed through the transverse hole and latched by the key-shaped part, and the tip is connected to the rim using a nipple.

If you try to hook the key-shaped inner end of the spoke into the horizontal hole of the bub, the horizontal hole will be thick enough to pass the spoke through the horizontal hole, and it will not fit well with the spoke. There is an inconvenience that the spokes will loosen if you cushion them too hard.

Also, by making the inner ends of the spokes straight rather than bending them into a key shape, and by providing spoke holes in the same direction as the spokes and allowing the spokes to pass through them, the diameter of the spoke holes can be made smaller, making it easier to connect the spokes to the bub. Although this improves the adhesion, when screwing the nipple onto the spoke, the spoke also rotates, which creates troubles such as the need for a separate anti-rotation device.

In view of these points, this invention has been improved so that it is easy to assemble and the spokes are difficult to loosen.Hereinafter, an embodiment of the invention shown in the drawings will be described.

To attach the spokes 2 to the open side flange end of the bub 1, drill a spoke hole that is inclined 15° to 35° with respect to the direction so as to penetrate from the inner surface to the outer surface, and align the inner end of the spoke 2 with the above inclination. and bend it 15° to 35°.

The spokes 2 are passed through the spoke holes 3 from the inside of the bub 1, and the end heads 4 are brought into contact with the ends of the spoke holes 3.

The tips of the spokes 2 are screwed into nipples 6 passed through holes provided along the center of the rim 5, and the spokes 2 are tightened by tightening the nipples 6.

The effect will be explained.

The spoke holes 3 of the bub 1 are attached with respect to the direction.
It is tilted at a small angle of 15° to 35°, and the inner ends of the spokes 2 are also bent accordingly.

Therefore, when tightening the nipple 6, the spoke hole 3 of the bub 1
The inclination of the spoke 2 prevents it from rotating, so it can be tightened strongly.

In addition, since the spoke hole 3 has a slight inclination with respect to the installation direction of the spoke 2, it is easy for the spoke 2 to pass through, the hole diameter can be made small, and the degree of adhesion between the spoke hole 3 and the spoke 2 is improved, reducing slack. .

Furthermore, when drilling the spoke holes 3 in the bub 1 with a drill, the spokes 7L3 may be tilted in a direction that facilitates installation of the drill, which facilitates hole machining.

As explained above, this invention connects the rim and the bub with spokes, and the flange end on the open side of the bub has a
It penetrates inside and out, and the spokes are attached in one direction.
We created spoke holes that were tilted from 5° to 35°, bent the inner ends of the spokes by 15° to 35°, passed the spokes through the spoke holes, put the end of the spoke against the end of the spoke hole, and connected the tips of the spokes to the rim with nipples. The inclination of the spoke hole prevents the spoke from rotating when tightening the nipple.

Furthermore, since the spoke hole has a slight inclination, it is easy to pass the spoke through, the diameter of the hole can be made small, and the adhesion with the spoke is good so that it does not loosen.

Further, since the inclination of the spoke hole can be adjusted to the direction in which a drill for drilling the hole can be easily installed, processing becomes easier.

In this way, processing is easy, assembly is easy, and loosening is less likely to occur.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, with FIG. 1 being a front view, FIG. 2 being a longitudinal sectional view, and FIG. 3 being an enlarged view of the main parts. 1...Bub, 2...Spoke, 3...
... Spoke hole, 4 ... End head, 5 ...
...Rim, 6...Nipple.

Claims (1)

[Scope of utility model registration request] In a two-wheeled vehicle wheel in which the rim and the bub are connected by spokes, spoke holes are provided at the open end of the flange of the bub, penetrating both inside and out, and inclined at 15° to 35° with respect to the direction in which the spokes are attached. from 15° to 35°
A two-wheeled vehicle wheel characterized by bending the spokes, passing the spokes through the spoke holes, putting the ends of the spokes against the ends of the spoke holes, and connecting the tips of the spokes to the rim with nipples.