JPH026246A - Manufacture of vehicle lighting fixture - Google Patents

Abstract

PURPOSE:To manufacture a vehicle lighting fixture excellent in work efficiency and easy of part supply and management by integrally molding an electric circuit and accessory parts thereof through a connecting part, fixing it to a housing, and then cutting said connecting part. CONSTITUTION:Wiring plates 50, 53, a valve holder and terminal 62, a valve holder 70, and a shade 80 are disposed so as to be in the relative position to a housing 1 when mounted thereto, and integrally molded by a sheet of conductive material with providing a connecting part 9. Next a valve holder 60 of a material different from the integrally molded one is mounted to the other end part of the wiring plate 53 by spot welding (the mark X in the drawing). The integrally molded terminal pieces 64, 72 and shade 80 are protruded downward from a narrow window port 15 and a rectangular window port 10 of the housing 1, the integrally molded parts and a switch 3 are fixed to the housing 1, and then the connecting part 9 is cut off.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a vehicular lamp, and more particularly to a method of assembling an electric circuit and its accessories to a housing of a vehicular lamp.

[Conventional technology]

Hereinafter, a method of manufacturing this kind of conventional vehicle lamp will be explained with reference to FIG.

In the figure, 1 is a housing, and this housing 1 has a dish-shaped shape, and a rectangular through hole 1 is located slightly toward the right end of the center.
0, and a circular through hole 11 for mounting the switch is opened slightly to the left of the center.

Small circular through holes 120-128 are provided at the periphery of the rectangular through hole IO and near the circular through hole 11.

2 is a lens, and this lens 2 also has a dish-shaped shape,
An engaging claw 20 is provided on the outer peripheral edge of this lens 2.

3 is a switch, and this switch 3 includes a main body 30, a knob 31 protruding from the main body 30, three terminals 32, 33, 34 also protruding from the main body 30, and a main body 30.
and mounting pieces 35 protruding from both ends.

4 is a valve.

Reference numerals 510 and 520 denote a first wiring plate and a second wiring plate each having a diagonal shape in plan, and a small circular through hole 511 is provided at one end of the first wiring plate 510.

Also, small circular through holes 52 are provided at both ends of the second wiring plate 520.
1 will be provided.

Reference numerals 610 and 620 denote a first valve holder and a second valve holder bent at approximately right angles, and a small circular through hole 611 is formed in one piece of the first and second valve holders 610 and 620.
, 621, and substantially keyhole-shaped through holes 612, 622 for holding the valve are provided in the other piece.

710 and 720 are the first terminal and the second terminal. The second terminal 710.720 consists of a mounting piece 711.721 on the horizontal part and a terminal 712.722 for connection to a connector (not shown) on the vertical part,
Small circular through holes 713.723 are provided in the mounting pieces 711.721.

1 above. the second wiring plate 510.520, and the first wiring plate 510.520;
, a second valve holder 610, 620, and a first valve holder 610, 620. The second terminals 710 and 720 are molded from a conductive material.

800 is a shade, this shade 800 is bent into a U-shape, and mounting pieces 801 are bent outward horizontally at both ends of the upper edge of the vertically bent piece, and the mounting pieces 801 have a small circular shape. A large circular through hole 80 is provided in the central horizontal bottom plate.
Provide a large number of 3.

Next, a conventional manufacturing method for a vehicle lamp made of the above-mentioned components will be described.

First, 1. Second wiring plate 510.520. 1st° 2nd valve holder 610.620. 1st. Terminal 2 710.720. Each component of the shade 800 and the switch 3 is fixed one by one to a predetermined position in the housing 1 with screws, rivets, or the like. That is, the mounting piece 35 of the switch 3 is inserted into the circular through hole 11 of the housing 1, and the switch 3 is inserted into the circular through hole 11 of the housing 1.
The first terminal 32 and the through hole 511 of the first wiring plate 51°
into the through hole 126 of the housing, the second terminal 3 of the switch 3
3 and one of the through holes 520 of the second wiring plate 520 into the through hole 127 of the housing, the third terminal 34 of the switch 3 and the mounting piece 721 of the second terminal 720 into the through hole 128 of the housing 1, and the second wiring. The other through hole 5 of the plate 520
20 and the through hole 611 of the first valve holder 610 to the through hole 124 of the housing 1, the through hole 621 of the second valve holder 620 and the first terminal 7], and the mounting piece 711 of O to the through hole 125 of the housing 1. Next, one mounting piece 801 of the shade 800 is fixed to each of the through holes 120 to 123 of the housing 1 with screws or rivets. In this way, one step in the method for manufacturing a vehicle lamp, in which the electric circuit and its accessories are assembled into the housing 1, is completed.

Thus, the first. The bulb 4 is removably held in the second bulb holder 610 and 620, and the lens 2 is attached to the housing 1.
be attached removably.

[Problem to be solved by the invention]

However, the above-mentioned conventional method for manufacturing vehicle lamps involves manufacturing components such as electric circuits and their accessories.

For example, switch 3. 1st. 2nd wiring plate 510°5
20, 1st. Second valve holder 610.620. Terminal 1゜Terminal 2 710.720. Since the shades 800 are fixed to the housing 1 one by one, work efficiency is poor. Further, since a large number of parts are required before assembly into the housing 1, it is troublesome to supply one part and manage parts.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method for manufacturing a vehicular lamp that has good work efficiency and facilitates parts supply and parts management.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention forms an electric circuit and its accessory parts integrally through a joint,
The present invention is characterized in that the vehicle lamp is manufactured by fixing this to a housing and then cutting the joint portion.

[For production]

The present invention improves work efficiency by fixing a plurality of parts to the housing at once through the process of fixing the electrical circuit and its attached parts integrally molded to the housing via joints. be able to. Also,
The number of parts required for assembly into the housing can be reduced, simplifying parts supply and parts management.

〔Example〕

A first embodiment of the method for manufacturing a vehicle lamp according to the present invention will be described below.
This will be explained with reference to the figures.

In the figure, the same reference numerals as in FIG. 2 indicate the same parts.

Thus, the housing 1 in this embodiment has circular through holes 13 at the four corners, and small protrusions 1 on the periphery of the rectangular through holes 10.
40 to 147 are provided in a protruding manner, and two elongated through holes 15 for terminals are provided.

In the figure, reference numeral 50 denotes a first wiring plate, and this wiring plate 50 has a flat mouth shape with the middle part of one side cut out. 13, and a small circular through hole 52 is provided at one end.

53 is a second wiring plate;
has a diagonal shape in plane, and this second wiring plate 53
Small circular through-holes 54 and 55 are provided at both ends and two corners, respectively.

60 is a first valve holder; this first valve holder 60
is bent at a right angle, and a keyhole-shaped through hole 61 for holding the valve is provided in the - piece.

62 is the second valve holder and first terminal;
The valve holder/first terminal 62 is the horizontal mounting piece 6
3, a terminal piece 64 for connection to a vertical connector (not shown), and a keyhole-shaped through hole 65 for holding the valve provided in the vertical piece, and a small circular through hole in the mounting piece 63. 66 is provided.

Reference numeral 70 denotes a second terminal, and this second terminal 70 consists of a horizontal mounting piece 71 and a vertical terminal piece 72 for connection to a connector (not shown). A hole 73 is provided.

Reference numeral 80 denotes a shade serving as a heat shielding plate or a light shielding plate, and this shade 80 has a hollow box shape with an open top.

Horizontal mounting pieces 81 are provided at the four corners of the upper edge, and the mounting pieces 81
A small circular through hole 82 is provided in the. A large number of circular through holes 83 are provided in the horizontal bottom plate part and the opposing side plate parts of the shade 80, and a notch 84 is provided from the upper edge in the center of the opposing side plate parts where the through hole 83 is not provided.

Next, a manufacturing method of the present invention for a vehicle lamp made of the above-mentioned components will be explained.

First, the first wiring plate 50 described above. Second wiring plate 53. Second valve holder/first terminal 62° Second valve holder 70. The shade 80 is arranged so that it will be in a relative position when assembled to the housing 1, and a single piece of conductive material is pressed with joints 9 provided at several places to prevent the parts from being separated. Formed in one piece by drawing and bending. Next, with a material that has spring properties,
The first valve holder 60 is made of a different material from the above-mentioned integral one.
is integrally attached to the other end of the second wiring plate 53 by spot welding (indicated by an X mark in the drawing).

The terminal piece 64 of the integral second valve holder and first terminal 62 formed as described above, the terminal piece 72 of the second valve holder 70, and the shade 80 are connected to the elongated through hole 15 of the housing 1 and the square transparent hole 71. The switch 3 is made to protrude downward from the hole 10, and the integrated switch 3 and the switch 3 are fixed to the 71 housing 1. That is, the mounting piece 35 of the switch 3 is inserted into the circular hole 11 of the housing 1, the first terminal 32 of the switch 3 and the small circular hole 52 at one end of the first wiring plate 50 are inserted into the hole 126 of the housing 1, and the switch 3 is inserted into the through hole 126 of the housing 1. The second terminal 33 of the switch 3 and the small circular through hole 55 at one end of the second wiring plate 53 are connected to the through hole 127 of the housing 1, and the third terminal 34 of the switch 3 and the second
The mounting piece 71 of the valve holder 70 and the through hole 128 of the housing 1 are fixed to the through hole 128 of the housing 1, and the through hole 51 of the first wiring plate 50 is fixed to the through hole 13 of the housing 1 by screws, rivets, etc., respectively. At the same time, the through holes 54 of the second wiring plate 53, the through holes 66 of the 27th bell holder/first terminal 62, and the through holes 82 of the shade 80 are fitted onto the small protrusions 140 to 147 of the housing 1, respectively. The upper ends of the protrusions 140 to 147 are welded and fixed.

Then, the joint portion 9 that connects each component is melted down by applying an overcurrent, or cut using a special dedicated tool.

Thus, one step of the method for manufacturing a vehicle lamp in which the electric circuit and its accessories are assembled to the housing 1 is completed. At this time, f! Since the electric circuit and its attached parts are integrally molded and fixed to the housing 1 via the joint part 9, multiple parts can be fixed to the housing 1 at once, improving work efficiency. can be done. Further, the number of parts required for assembly into the housing 1 can be reduced, and parts supply and parts management can be simplified.

Thus, the first. The bulb 4 is removably held in the second bulb holder 60, 62, and the lens 2 is removably attached to the housing 1.

In addition, means for fixing the above-mentioned integral part to the housing 1,
Furthermore, the means for cutting the joint portion 9 is not limited to the above embodiment.

〔Effect of the invention〕

As is clear from the above, in the method for manufacturing a vehicle lamp according to the present invention, an electric circuit and its attached parts are integrally molded and fixed to a housing via joints, so a plurality of parts are can be fixed to the housing at once, improving work efficiency. Also,
The number of parts required for assembly into the housing can be reduced, simplifying parts supply and parts management.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram showing an embodiment of the method for manufacturing a vehicle lamp according to the present invention, and FIG. 2 is an explanatory diagram showing a conventional method for manufacturing a vehicle lamp. DESCRIPTION OF SYMBOLS 1... Housing, 2... Lens, 3... Switch, 4... Valve, 50... First wiring plate, 5
3... Second wiring plate, 60... First valve holder, 62... Second valve holder and first terminal, 7
0...Terminal 2, 80...Shade, 9...
・Joint part. Patent applicant Masami Akimoto (one other person), Patent attorney representing Ichikoh Industries, Ltd.

Claims (1)

[Claims] 1. A vehicle characterized in that an electric circuit and its attached parts are integrally molded through a joint, which is fixed to a housing, and then the joint is cut to manufacture a vehicle lamp. Method of manufacturing lighting equipment.