JPH0226081Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an improvement in the structure of a terminal device in a bicycle headlight.

[Conventional technology]

Conventional headlights 1, as shown in Figure 1, are designed to be mounted low on the top of the mudguard 2 of the front wheel of a bicycle, taking into account the structure and design of the bicycle body, giving the mudguard 2 a sense of unity. Ta.

[Problem that the invention attempts to solve]

However, if the headlight 1 is installed too low, the protrusion 4' of the terminal device 4 protruding from the bottom surface of the body 3 of the headlight 1 may come into contact with the top surface of the mudguard 2, causing electrical continuity problems or restricting movement in the direction of the arrow. This method has disadvantages such as making it impossible to change the irradiation angle. In addition, the protrusion 4'
There was also a risk of unexpected injury from touching the product.

[Means to solve the problem]

In view of the above-mentioned circumstances, the present invention was devised for the purpose of providing a bicycle headlight that is equipped with a terminal device inside the headlight that can eliminate these drawbacks, and is made of synthetic resin. In a bicycle headlight having a body 12 and an upwardly removable cover, a terminal guide 21 projecting upward is integrally formed on the inner bottom 13 of the body 12,
The terminal guide 21 has a terminal insertion hole 26 that passes through the terminal guide 21 in the vertical direction and is wider at the bottom than the top, and an opening 27 that crosses the terminal insertion hole 26 at the bottom of the terminal guide 21.
A lead wire insertion hole 24 that crosses the terminal insertion hole 26 is formed in the upper part of the terminal guide 21, and a wide part 22a that is wider than the upper part of the terminal insertion hole 26 and smaller than the lower part of the terminal insertion hole 26 is formed in the lower part. , and the position from the upper end 22c is the upper end of the terminal guide 21 and the lead wire insertion hole 2.
4, and the position from the wide part 22a is the terminal insertion hole 2 of the terminal guide 21.
The through hole 2 is longer than the distance between the width of the opening 27 and the lead wire insertion hole 24, and the position from the lower end is shorter than the distance between the lower end of the opening 27 and the lead wire insertion hole 24.
5 is formed into the terminal insertion hole 26 of the terminal guide 21 from below. The U-shaped bent portion 23 is inserted into the lower end of the terminal 22, and the terminal 22 is pushed up and locked by the elasticity of the U-shaped bent portion 23. U-shaped bent portion 2 until the upper end 22c matches the upper end of the terminal guide 21.
3, the lead wire terminal 18 is inserted into the lead wire insertion hole 24 and the through hole 25, and when the pressing force is removed, the terminal 22 is pushed down by the elasticity of the U-shaped bent portion 23. Pushed up, lead wire terminal 1
8 is supported and electrically connected between the inner surface upper end 24a of the lead wire insertion hole 24 and the inner surface lower end 25a of the through hole 25.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.
In Figure 2, 11 is a headlight bulb, 1
2 is a body made of synthetic resin. 13 is the inner bottom of the synthetic resin body. 13a is a protrusion bulging upward from the inner bottom portion 13; 16 is a contact plate made of metal and having elasticity. 18 is the lead wire terminal. 2
Reference numeral 1 denotes a terminal guide that is integrally formed to protrude upward from the inner bottom portion 13 of the body 12. 21a is the upper end of the terminal guide 21. Reference numeral 22 denotes a metallic T-shaped terminal, which is composed of a wide portion 22a, a long plate portion 22b, and an upper end 22c. Reference numeral 23 denotes a U-shaped bent portion formed at one end of the contact plate 16. 24 is a lead wire insertion hole having a circular opening, and 24a is the upper end of the inner surface of the lead wire insertion hole 24. 25 is a round-shaped through hole, and 25a is the lower end of the inner surface of the through hole 25. 26 is a terminal insertion hole. 26a and 26b are terminal guide insertion holes passing through the body 12 and the terminal guide 21 side, respectively. 27 is an opening, and 27a is its upper surface. 28 is a terminal device.

Here, a terminal insertion hole 26 passes through the terminal guide 21 in the vertical direction, and the terminal guide 21 has a terminal insertion hole 26 passing through the body 12.
The upper part [body side insertion hole 26a] is wider than the lower part [terminal guide side insertion hole 26b] inside the terminal. Further, in the lower part of the terminal guide, there is a rectangular opening 27 that crosses the terminal insertion hole 26, and a lead wire insertion hole 24 that has a round opening that crosses the terminal insertion hole 26 in parallel with the opening 27 above the opening 27. It is formed.

In the terminal 22, the wide portion 22a is larger than the terminal guide side insertion hole 26b, which is the upper part of the terminal insertion hole 26, and smaller than the lower part of the terminal insertion hole 26, that is, the body side insertion hole 26a. and terminal 2
A through hole 25 into which the lead wire terminal 18 is inserted is formed on the upper end 22c side of the long plate portion 22b.
Furthermore, the through hole 25 of the terminal 22 is formed at the upper end 2.
The position from 2c is the upper end 2 of the terminal guide 21.
1a and the lead wire insertion hole 24, and the position from the wide part 22a changes the width of the terminal insertion hole 26 of the terminal guide 21,
In other words, the space is longer than the distance between the upper surface 27a of the opening 27 and the lead wire insertion hole 24, and the lower end of the terminal 21, that is, the position from the wide portion 22a is shorter than the distance between the lower end of the opening 27 and the lead wire insertion hole 24. ing.

In the above components, T-shaped terminal 2
2 is first inserted into the terminal insertion hole 26a passing through the body 12 from the long plate portion 22b of the terminal 22. Here, the body-side insertion hole 26a is formed so that the entire terminal 22 can pass through it, that is, it is larger than the wide part 22a of the terminal 22. 22b is inserted into the terminal guide side insertion hole 26b, and is locked at the upper surface 27a of the opening 27 that crosses the terminal insertion hole 26 in the lower part of the terminal guide 21 by the wide part 22a formed wider than the terminal guide side insertion hole 26b. has been done. Then, insert the U-shaped bent portion 23 formed at one end of the contact plate 16 into the opening 27 from the front of the headlight 1,
Wide part 22a formed at the lower end of the terminal 22
A U-shaped bent portion 23 is applied from below, and the U-shaped bent portion 23 is pushed up and locked by the elasticity of the U-shaped bent portion 23. At this time, the contact plate 16 is connected to the body 12.
It is positioned by a protrusion 13a that bulges out from the inner bottom 13 of. In this state, the upper end 22c of the terminal protrudes from the upper end of the terminal guide 21, and the lead wire insertion hole 24, which passes through the terminal insertion hole 26 at the upper part of the terminal guide 21, is centered by the long plate portion 22b of the terminal 22. The lead wire terminal 18 cannot be inserted because it is closed at the end.

In the terminal device 28 assembled in this way, the terminal device 28 is covered with a cover (not shown).
It is inside when removed upwards, that is, on the top surface of the body 12, and the lead wire terminal 1 is connected to the terminal device 28.
8, when the upper end 22c of the terminal 22 protruding from the upper end of the terminal guide 21 is pushed down against the elasticity of the U-shaped bent portion 23 until it coincides with the upper end of the terminal guide 21, the lead wire will inevitably be connected. The insertion hole 24 and the through hole 25 of the terminal 22 match, and the lead wire terminal 18 can be inserted therein.

When the pressing force is further released, the terminal 22 is pushed up by the elasticity of the U-shaped bent portion 23, and as shown in FIG. Through hole 2
The contact plate 16 is sandwiched and supported by the lower end 25a of the inner surface of the contact plate 16, and is electrically connected to the contact plate 16 via the terminal.

[Function and effect]

As described above, the bicycle headlight according to the present invention has a cover that is removable up and down, and a terminal device is provided inside with the cover removed, that is, on the top surface of the body. If the upper end of the terminal is pushed down against the elasticity of the U-shaped bent portion until it matches the upper end of the terminal guide, the lead wire insertion hole and the through hole will inevitably match, allowing the lead wire terminal to be inserted. By releasing this pressing force, the lead wire terminal is sandwiched and supported between the lead wire insertion hole and the through hole, thereby establishing an electrical connection.

Therefore, there are the following advantages.

Remove the headlight cover upwards and connect the lead wire terminal from the power source on the top of the body.

Since the terminal device is installed inside the headlight, there are no protruding parts on the body other than the attachment point of the headlight, and it is possible to mount the headlight sufficiently close to the mudguard in an integrated manner.Furthermore, the irradiation angle can be adjusted using the attachment point as a fulcrum. can be changed sufficiently.

Since the terminal device is covered with a cover, it is not exposed to water such as rainwater, and its durability is improved.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram of the installation of a conventional bicycle headlight. FIGS. 2A and 2B are views showing an embodiment of a bicycle headlight according to the present invention. Explanation of codes, 1: Headlight, 2: Mudguard,
3: body, 4: terminal device, 4': protrusion,
11: Bulb, 12: Body, 13: Inner bottom, 1
6: Contact plate, 13a: Protrusion, 18:
Lead wire terminal, 21: Terminal guide, 21
a: Upper end, 22: Terminal, 22a: Wide part,
22b: long plate part, 22c: upper end, 23: U-shaped bent part, 24: lead wire insertion hole, 24a: inner surface upper end, 25: through hole, 26: terminal insertion hole, 2
5a: Lower end of inner surface, 26a: Body side insertion hole, 26
b: Terminal guide side insertion hole, 27: Opening,
27a: Top surface, 28: Terminal device.

Claims (1)

[Claims for Utility Model Registration] In a bicycle headlight having a body 12 made of synthetic resin and a cover that is removable above, a terminal guide 21 that projects upward is integrally formed on the inner bottom 13 of the body 12. ,
The terminal guide 21 has a terminal insertion hole 26 that passes through the terminal guide 21 in the vertical direction and is wider at the bottom than the top, and an opening 27 that crosses the terminal insertion hole 26 at the bottom of the terminal guide 21.
A lead wire insertion hole 24 that crosses the terminal insertion hole 26 is formed in the upper part of the terminal guide 21, and a wide part 22a that is wider than the upper part of the terminal insertion hole 26 and smaller than the lower part of the terminal insertion hole 26 is formed in the lower part. , and the position from the upper end 22c is the upper end of the terminal guide 21 and the lead wire insertion hole 2.
4, and the position from the wide part 22a is the terminal insertion hole 2 of the terminal guide 21.
The through hole 2 is longer than the distance between the width of the opening 27 and the lead wire insertion hole 24, and the position from the lower end is shorter than the distance between the lower end of the opening 27 and the lead wire insertion hole 24.
5 is formed into the terminal insertion hole 26 of the terminal guide 21 from below. The U-shaped bent portion 23 is inserted into the lower end of the terminal 22, and the terminal 22 is pushed up and locked by the elasticity of the U-shaped bent portion 23. U-shaped bent portion 2 until the upper end 22c matches the upper end of the terminal guide 21.
3, the lead wire terminal 18 is inserted into the lead wire insertion hole 24 and the through hole 25, and when the pressing force is removed, the terminal 22 is pushed down by the elasticity of the U-shaped bent portion 23. Pushed up, lead wire terminal 1
8 is supported and electrically connected between the upper end 24a of the inner surface of the lead wire insertion hole 24 and the lower end 25a of the inner surface of the through hole 25.