JPH0546991Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a bodyless automobile room lamp that does not have a lamp body.

<Prior art> In conventional automobile room lamps of this type, when electrically connecting to the power supply on the vehicle body side, a cord is connected to one of two bulb holding contacts assembled on the lens body and a current carrying plate, respectively. A connector was connected to the cord to electrically connect it to the plug on the car body. Therefore, there was a problem that the number of parts and assembly man-hours related to electrical connection with the vehicle body side power source increased, resulting in high costs.

<Problems to be solved by the invention> The present invention was developed in view of the conventional problems described above, and aims to reduce costs by reducing the number of parts and installation man-hours related to electrical connection with the vehicle body side power source. The purpose of the present invention is to provide a room lamp for an automobile that can achieve the following.

<Means for Solving the Problems> The automotive interior lamp of the present invention that achieves the above purpose has two bulb holding contacts that are held in contact with both caps of a double cap bulb and one energizing contact on the lens body. At the same time as the plates are assembled, the connector portions are formed into the same body, a switch knob is attached to the one valve holding contact so that the switch portion of the valve holding contact can be freely connected to and separated from one end of the current carrying plate, and the other The valve holding contact and the other end of the current-carrying plate are each formed with a terminal electrically connected to a plug on the vehicle body side, and are formed in the same body and face the connector portion.

<Example> Hereinafter, an example of implementing the present invention will be described based on the drawings.

The bodyless type automobile room lamp of this invention is
One lens body 1, a double-cap bulb 2 having caps 2a and 2b at both ends, and a double-cap bulb 2a of the bulb 2,
It is composed of two valve clamping contacts 3 and 4 that clamp the valve 2 by electrically contacting the valve 2b, one current-carrying plate 5, and an engaging piece 6 for mounting on the vehicle body. A switch knob 7 is attached to the lens body 1, and the switch portion 3c formed on one of the bulb holding contacts 3 and the switch portion 52a formed on one end of the current-carrying plate 5 constitute a switch for blinking the lamp. In order to electrically connect the plug A on the vehicle body power supply side with the connector part 8 formed in the same body as the terminal 4c formed on the other valve holding contact 4 and the terminal 52b formed on the other end of the current carrying plate 5. It consists of a connector.

The lens body 1 is formed into a substantially rectangular shape using a translucent synthetic resin material, and a lens cut 1 is formed on the entire back surface of the lens body 1.
a, and two mounting walls 11, 1 for mounting and supporting the valve holding contacts 3, 4, the current-carrying plate 5, and the vehicle body mounting engagement piece 6 on both sides of the back surface.
2 are formed protruding from the same body so as to face each other, and an opening 13 is formed near the inner side of one mounting wall 11 to allow the switch knob 7 to project toward the surface side of the lens body 1, and the other mounting wall 12 A connector portion 8 for inserting and supporting a plug A on the vehicle body side is formed protruding from the tip portion of the same body. Two mounting grooves 11 are formed in one mounting wall 11 downward from the upper end.
a, 11b are opened in parallel, and the insertion portion 51a formed at one end of the current-carrying plate 5 is inserted into one of the mounting grooves 11a, and the engagement piece 6 for mounting on the vehicle body is inserted into the other mounting groove 11b, respectively. As well as assembling it into
Pivot part 11 protruding from the inner surface of one mounting wall 11
One of the valve clamping contacts 3 is rotatably assembled to c via a switch knob 7, and two mounting grooves 12a and 12b are formed in parallel in the other mounting wall 12 downward from the upper end. Then, an insert 51b formed at the other end of the current-carrying plate 5 is inserted into one mounting groove 12a, and the other valve holding contact 4 is inserted and fixedly assembled into the other mounting groove 12b.

One valve holding contact 3 is made of a thin strip-shaped metal plate having conductive elasticity, and has an insertion part 3a for attaching the switch knob 7, and a valve holding contact 3 which is bent in a meandering shape from one end of the insertion part 3a inward. A support piece 3b that elastically contacts and supports one of the bases 2a, and a switch part 3c bent upward and outward from the other end of the insertion part 3a into a substantially horizontal U-shape are formed into the same body, and A fitting hole 3b' for engaging one base 2a of the valve 2 is formed in the support piece 3b. Then, insert the insertion portion 3a into the mounting groove 7a of the switch knob 7.
Insert the locking claw 3a' into the locking part 7a' of the mounting groove 7a, attach the switch knob 7 to one bulb holding contact 3, and attach the one bulb holding contact 3 to the lens via this switch knob 7. The switch part 3 of the valve holding contact 3 is rotatably assembled to one mounting wall 11 of the body 1.
A switch portion 52 formed at one end of the current-carrying plate 5
It can be freely brought into contact with and separated from a. That is, the cross section of the switch knob 7 to which one valve holding contact 3 is assembled is approximately V.
A C-shaped fitting part 7b is formed in a mold, and the C-shaped fitting part 7b is freely rotatably fitted into a pivot part 11c protruding from the inner surface of one of the mounting walls 11, and the switch knob 7 is rotated freely. The operating portion 7c is made to protrude from the opening 13 formed in the lens body 1 toward the surface side, and a regulating protrusion 11d is formed in the same body on the upper part of the pivot portion 11c, so that the switch portion 3c of the bulb holding contact 3 functions as a switch knob. By operating the rotary switch 7, the regulating protrusion 11d elastically moves over the tip chevron portion 11d' and is assembled so that it can freely approach and separate from the switch portion 52a of the current-carrying plate 5, and the lamp is assembled. This constitutes a switch for blinking.

The current-carrying plate 5 is made of a conductive thin strip-shaped metal plate, and has insertion parts 51a and 51b at both ends that are inserted into and fixed to the mounting walls 11 and 12 of the lens body 1, and has one bulb at one end. A switch part 52a that electrically contacts the switch part 3c of the clamping contact 3 is formed to project inward in the horizontal direction, and a terminal 52b that electrically contacts the plug A on the vehicle body side is directed outward at the other end. It is formed to protrude horizontally. And both the above-mentioned insertion parts 51a, 51b
are inserted and fixed into the mounting grooves 11a and 12a formed in the mounting walls 11 and 12 of the lens body 1, respectively, and the switch part 52a is arranged near the regulating protrusion 11d protruding from the inner surface of one of the mounting walls 11, and the terminal 52
b into the connector portion 8 of the lens body 1. At this time, the base of the terminal 52b has a plug-in piece 5 which is inserted and fixed into the insertion part 8a formed in the connector part 8.
2b' are integrally formed, and the terminal 52b is firmly and fixedly supported within the connector portion 8. Current-carrying plate 5
As in the embodiment shown in FIGS. 1 to 4, the switch portion 52a may be formed into a dogleg shape in cross section and approximately the same width as the regulating protrusion 11d protruding from the inner surface of one mounting wall 11. As in the embodiment shown in FIGS. 5 and 6, a portion 52a' on the side of the insertion portion 51a is cut out, and the regulating protrusion 11d is formed only in a portion corresponding to the cutout portion 52a'. In this way, by forming the regulating protrusion 11d only in the portion corresponding to the notch 52a' of the switch part 52a, the switch part 3c of one of the bulb holding contacts 3 is moved to the regulating protrusion 11 when the lamp is blinked.
Wear debris that may be generated when repeatedly climbing over the tip chevron portion 11d' of the switch portion 5
There is no risk of deposition on the valve holding contact 2a, and as a result, there is no risk of poor contact with the switch portion 3c of one of the valve holding contacts 3 over a long period of time.

Further, the other bulb holding contact 4 has an insertion part 4a that is attached to the other mounting wall 12 of the lens body 1 using a thin strip-shaped metal plate having conductive elasticity, similar to the one bulb holding contact 3;
A support piece portion 4b that is bent inward from one end of the insertion portion 4a in a substantially inverted L shape to elastically contact and support the other mouthpiece 2b of the valve 2, and the insertion portion 4a.
It is formed integrally with a terminal 4c that projects horizontally from the other end toward the outside and makes electrical contact with the plug A on the vehicle body side, and the other cap 2b of the valve 2 is engaged with the support piece 4b. Fitting hole 4 for fitting
It is formed by forming an opening at b′. Then, the insertion part 4
A is inserted into the mounting groove 12b of the other mounting wall 12 from above and fixed, the support piece 4b is opposed to the support piece 3b of one bulb holding contact 3, and the terminal 4c is connected to the connector of the lens body 1. Let's see inside part 8. At this time, an insertion piece 4c' that is inserted and fixed into the insertion part 8b formed in the connector part 8 is integrally formed at the base of the terminal 4c, so that the terminal 4c is fixedly supported within the connector part 8.

In addition, the connector portion 8 may be formed into a substantially U-shape from the front as in the embodiment shown in FIGS. As in the embodiment shown in FIG. 6 and FIG. 6, the bridging plate 8c is formed to have a substantially rectangular shape from the front, and is formed substantially horizontally protruding outward from the tip of the other mounting wall 12. The terminal 4c formed on the other valve holding contact 4 and the terminal 52b formed on the other end 5b of the current-carrying plate 5 are arranged in parallel and facing each other in the connector part 8, and the plug on the vehicle body side This constitutes a connector 9 that is electrically connected to A.

Thus, both bases 2a and 2b of the valve 2 are attached to the support pieces 3b and 3b of the two valve holding contacts 3 and 4, respectively.
When the bulb 2 is elastically clamped by the lens body 4b and is fitted and supported in the fitting holes 3b' and 4b' of the respective support pieces 3b and 4b, the bulb 2 is held at a predetermined distance from the back surface of the lens body 1. 1, and from the terminal 4c of the other valve holding contact 4 to the support piece part 4b - the valve 2 - the support piece part 3b of one valve holding contact 3 - the switch part 3c - the switch part of the current-carrying plate 5. 52a - Terminal 52 of current carrying plate 5
An electric circuit connected to b is constructed. At this time, when operating the rotary switch of the switch knob 7, in order to prevent the valve 2 from swinging, the axis l of the valve 2 and the rotation center of the switch knob 7, that is, one mounting wall 1
It is desirable that the center of the pivot portion 11c protruding from 1 be arranged substantially concentrically.

When this room lamp is installed in the lamp installation part B of a car, a plug A wired to the power supply on the vehicle body side is inserted into the connector part 8, and a terminal 4c formed on the other bulb holding contact 4 is inserted into the connector part 8. After contacting the terminal 52b formed on the current-carrying plate 5, the latching claw 14 formed protruding from the outer surface of the other mounting wall 12
is hung on the mouth edge _b1 of the lamp installation part B, and
The vehicle body mounting engagement piece 6 attached to the tip of one of the mounting walls 11 is elastically engaged with the hook part _b2 in the lamp installation part B to be attached and fixed.

<Effects of the invention> Since the automobile room lamp of the present invention is constructed in this way, when electrically connecting it to the power supply (plug) on the vehicle body side, the plug on the power supply side is connected to the connector part formed on the same body as the lens body. It only needs to be inserted and installed, and the number of parts and assembly man-hours related to electrical connection with the vehicle body side power source can be significantly reduced, resulting in cost reduction.

In addition, it can be easily used in different vehicles by simply changing the plug on the vehicle body, which also helps reduce costs.

Therefore, the intended purpose can be achieved.

[Brief explanation of the drawing]

Fig. 1 is a vertical sectional view showing a room lamp implementing the present invention, Fig. 2 is an exploded perspective view of the lamp, and Fig. 3 is an exploded perspective view of the lamp.
The figures are a sectional view taken along the line 3-3 in Fig. 1, Fig. 4 is a sectional view of the same with the switch in the on state, Fig. 5 is an exploded perspective view showing another embodiment of the present invention, and Fig. 6 is a section of the switch. FIG. In the figure, 1...lens body, 2...double-capped bulb,
3...One valve clamping contact, 4...The other valve clamping contact, 5...Electricity plate, 6...
Engagement piece for mounting on vehicle body, 7...Switch knob, 3c,
52a...Switch part, 4c, 52b...Terminal.

Claims (1)

[Scope of utility model registration request] Two bulb clamping contacts that contact and clamp both caps of a double cap bulb and one current-carrying plate are assembled to the lens body, and the connector portions are formed into the same body, and a switch knob is attached to one of the bulb clamping contacts. The switch portion of the valve holding contact is attached to one end of the current carrying plate so that it can be freely connected to and separated from the other end of the current carrying plate, and the other valve holding contact and the other end of the current carrying plate are electrically connected to a plug on the vehicle body side. A room lamp for an automobile, characterized in that the terminals are formed in the same body and are exposed to the connector portion.