JP3187365U - Fasteners used for bicycle mudguards - Google Patents

Abstract

A fastener for use in a bicycle mudguard capable of increasing a conductive contact area and protecting a conductive layer and a waterproof layer is provided.
A conductive washer has a plurality of bent projections. A conductive washer is fitted into the conductive bolt 5 and fixed to the mudguard 4 of the bicycle. The conductive bolt penetrates the bicycle mudguard and firmly fixes the conductive nut 8 and the conductive terminal 7. As a result, the plurality of protrusions of the conductive washer completely enter the bicycle mudguard and come into contact with the conductive layer 43 provided on the other surface of the mudguard, thereby increasing the contact area between the conductive bolt and the conductive layer. Thus, the conductivity is increased. In addition, the outer surfaces of the conductive bolt, the conductive terminal, and the conductive nut are covered with a conductive ink having a waterproof and conductive effect, thereby exhibiting a protective action.
[Selection] Figure 4

Description

  The present invention relates to a fastener used for bicycle mudguards.

  As shown in FIG. 1 to FIG. 3, the “conductive clasp structure of a bicycle mudguard having a high degree of coupling” described in Patent Document 1 is a portion of the conductive clasp 1, the base 2 of the clasp, the conductive terminal 3, and the like. It is composed of The conductive metal fitting 1 is a flat plate and has a protrusion 11 at the center. The protrusion has a thread 13 formed on the periphery of the fitting portion 11, and a plurality of open tubs 12 extend from the end portion along the axial direction. The base 2 of the fastener is caulked in a rivet in a hole provided in advance in the mudguard 4 of the bicycle, so that the conductive layer 43 installed so that the outer peripheral side surface is sandwiched in the mudguard 4 of the bicycle. The contact edge portion 431 extending into the cavity is brought into contact with the continuity. An accommodation hole 22 is formed in the center of the base 2 of the fastener. A pedestal bottom plate 21 is installed on the bottom side surface of the bicycle mudguard 4 of the accommodation hole 22. A thread 221 is formed inside the inner wall edge of the accommodation hole 22. The conductive terminal 3 is formed with an accommodating portion 32 that protrudes at one end side, and extends into the protruding portion 11 of the conductive fastener 1. On the periphery of the accommodating portion 32 of the conductive terminal 3, a folded edge portion 33 is provided. The accommodating portion 32 is inserted into the protruding portion 11 by sandwiching and joining the periphery of the conductive fastener 1. The folded-back edge 33 firmly sandwiches the periphery of the conductive fastener 1 so that the folded-back edge 3 and the conductive fastener 1 are firmly coupled. At the time of assembly, the protruding portion 11 of the conductive fastener 1 is pushed into the receiving hole 22 of the fastener base 2, and the thread 13 on the front side of the protruding portion 11 corresponds to the inner thread 221 on the inner surface of the receiving hole 22. By engaging and contacting each other, the object that the conductive fastener 1 and the base 2 of the fastener have a firm coupling state is achieved. However, in the above-described conventional “conductive clasp structure for bicycle mudguard having a high degree of coupling”, the conductive clasp 1 and the base 2 of the clasp have screw threads 13 and screw threads 221 on the inner side. However, in actuality, loosening or poor contact may occur due to long-term vibration. Furthermore, it utilizes the contact between the pedestal base 2 and the conductive layer 43 of the bicycle mudguard 4, so that the contact point is only a few points and is oxidized if it is not sufficiently waterproofed. Rust is generated, leading to poor conductivity.

Taiwan patent publication number 408733 specification

  The present invention has been made in view of the above-mentioned problems, has a simple structure, the conductive terminal and the mudguard conductive layer are coupled to each other, the conductive contact surface is increased, the conductive layer and the waterproof layer It aims at providing the fastener used for the mudguard of the bicycle which can protect.

  The clasp used for the bicycle mudguard according to the present invention is a clasp provided for the bicycle mudguard and includes a conductive bolt, a conductive washer, a conductive terminal, and a conductive nut. The conductive washer has a plurality of bent projections and is fixed to the mudguard of the bicycle by being fitted into a conductive bolt. Conductive bolts penetrate the mudguard of the bicycle. The conductive terminal is fixed to the conductive bolt by a conductive nut. A plurality of protrusions of the conductive washer installed on the surface opposite to the conductive mudguard of the bicycle mudguard penetrate completely through the mudguard of the bicycle and come into contact with the conductive layer. The outer surfaces of the conductive bolt, the conductive terminal, and the conductive nut are covered with conductive ink.

  As a result, the conductive washer and the conductive terminal are screwed into the mudguard of the bicycle using the conductive bolt, and then the conductive bolt is tightened and coupled with the nut, so that the plurality of protruding portions of the conductive washer completely enter the mudguard of the bicycle. And the contact surface of a conductive volt | bolt and a conductive layer can increase in contact with a conductive layer (aluminum foil layer). In addition, the conductivity of the conductive terminal and the power cord (conductive layer) can be increased. In addition, it can be prevented from being loosened or dropped out due to long-term vibration or unreasonable external force.

  Furthermore, the conductivity of the conductive bolt, conductive terminal, and conductive nut can be improved by applying a waterproof, conductive conductive ink on the upper and lower surfaces of the conductive bolt, conductive terminal, and conductive nut. And has effects such as waterproofing and rust prevention.

It is a disassembled perspective view which shows the fastener used for the mudguard of the conventional bicycle. It is sectional drawing which shows the fastener used for the mudguard of the conventional bicycle. It is a cross section which shows the fastener used for the mudguard of the conventional bicycle. 1 is an exploded view showing a fastener used for bicycle mudguard according to an embodiment of the present invention. FIG. It is principal part sectional drawing which shows the fastener used for the mudguard of the bicycle by one Embodiment of this invention. It is a schematic diagram which shows the application example of the fastener used for the mudguard of the bicycle by one Embodiment of this invention.

(One embodiment)
Hereinafter, with reference to the drawings, a fastener for use in a bicycle mudguard according to an embodiment of the present invention will be described in detail.
As shown in FIGS. 4 to 6, the fastener used for the bicycle mudguard according to the present embodiment includes the conductive bolt 5, the conductive washer 6, the conductive terminal 7, and the conductive nut 8, and is provided on the bicycle mudguard 4. Yes. The conductive washer 6 has a plurality of protruding portions 60 that are bent. The conductive bolt 5, the conductive washer 6, and the conductive nut 8 are all made of stainless steel. Both are fixed to the bicycle mudguard 4 by fitting the conductive washer 6 to the conductive bolt 5. The conductive bolt 5 penetrates the bicycle mudguard 4 and firmly fixes the conductive nut 8 and the conductive terminal 7. As a result, the plurality of protrusions 60 of the conductive washer 6 installed on the other side of the bicycle mudguard 4 completely enter the bicycle mudguard 4 and come into contact with the conductive layer aluminum foil layer 43, thereby 5 and the contact surface of the conductive layer 43 are increased. Furthermore, the electrical conductivity of the conductive terminal 7 and the power cord conductive layer is increased. Further, the conductive ink 9 having a waterproof and conductive effect is formed on both ends of the conductive bolt 5, thereby exhibiting a protective action. Both the conductive bolt 5 and the conductive nut 8 on the outer surface of the bicycle mudguard 4 are protected by the conductive ink 9. At the same time, a plastic cover A is installed on the outer surface of the bicycle mudguard 4 to cover and protect the conductive bolt 5, the conductive nut 8, and the conductive terminal 7. As a result, the vibration that occurs in the conventional "conductive mudguard structure for bicycle mudguards with a high degree of coupling" is achieved by strengthening the connection between the conductive terminal and the power cord (conductive layer) and increasing the number of contact surfaces. It is possible to solve the problem that contact failure occurs due to loosening due to unreasonable external force.

  As mentioned above, although embodiment of this invention was explained in full detail based on drawing, a concrete structure is not restricted to these embodiment, Even if there is a design change etc. in the range which does not deviate from the summary of this invention. Included in the present invention.

1 Conductive fasteners,
2 pedestal base,
3 Conductive terminals,
11 protrusions,
12 Open tank,
13,221 thread,
4 Bicycle mudguards
43 conductive layer,
431 contact edge,
22 receiving hole,
21 pedestal bottom plate,
32 containment section,
33 Folded edge,
5 Conductive bolt,
6 conductive washers,
7 Conductive terminal,
8 Conductive nut,
60 protrusions,
9 Conductive ink,
A Plastic cover.

Claims (1)

It is a clasp provided on the bicycle mudguard,
With conductive bolts, conductive washers, conductive terminals, and conductive nuts,
The conductive washer has a plurality of bent bent portions, and is fixed to the mudguard by the conductive bolt,
The conductive bolt penetrates the mudguard,
The conductive terminal is fixed to the conductive bolt by the conductive nut,
The plurality of projecting portions of the conductive washer are installed on the surface of the mudguard opposite to the conductive nut, enter the mudguard, and contact the conductive layer,
A fastener for use in bicycle mudguards, wherein the conductive bolt, the conductive terminal, and the conductive nut have outer surfaces covered with conductive ink.

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