JPH0722440U - Switch device for vehicle lighting - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a switch device for a vehicular lamp, in which assembly work is simplified, workability is improved, and automatic assembly is possible. [Constitution] The switching lever 19 is provided with a contact insertion hole portion 21 opening to the front and back, and a ball contact 24 is inserted into the contact insertion hole portion 21 to open the opening portion 21.
a part of the ball contact 24 is projected from a and 21b, the contact portion 10a of the second circuit pattern 10 is formed wide, and one side of the contact portion 10a of the second circuit pattern 10 is formed into the first circuit. The contact portion 9a of the pattern 9 is overlapped with a gap and the contact portion 10a of the second circuit pattern 10 is formed.
The other side portion is overlapped with the contact portion 11a of the third circuit pattern 11 with a gap, and the ball contact 24 is placed on the contact portion 10a of the second circuit pattern 10 and the other contact portions 9a, 11a.
The contact was short-circuited by locating it between a and.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a switch device for a vehicle lighting device such as a vehicle interior light.

[0002]

[Prior art]

 Conventional switch devices of this type are disclosed in Japanese Utility Model Laid-Open No. 2-34334 and Japanese Utility Model Laid-Open No. 2-22520. In this switch device, by swinging the switching lever with respect to the contact portions of a plurality of circuit patterns mounted on the housing, the ball contact of the switching lever selectively connects the contact portions. Then, the electrical connection is switched.

In this switch device, the mounting structure of the ball contact in the switching lever has a contact insertion hole 34 provided at the end of the switching lever 33 as shown in FIG. It is a bottomed hole that is open at the back surface of the switching lever 33 and is perpendicular to the axis of the switching lever 33. Then, the spring 35 and the ball contact 36 are inserted into the contact insertion hole 34, the ball contact 36 is pressed by the spring 35, and the ball contact 36 is connected to the contact portions 30a, 31a of the circuit patterns 30, 31, 32, It is pressed against 32a.

[0004]

[Problems to be solved by the device]

 However, in the above-described conventional switch device for a vehicle lamp, since the mounting structure of the ball contact 34 has the above-described structure, when the switching lever 33 is assembled in the housing 29, the contact insertion hole 34 is inserted into the contact insertion hole 34. The spring 35 and the ball contact 36 must be inserted (set) and both hands must be carefully used so that the spring 35 and the ball contact 36 do not fall off. If the (spring 35 and ball contact 36) fall off, the assembly work may have to be redone from the beginning, and parts may roll and be lost. For this reason, there is a problem in that the assembling work is unstable, a great amount of labor is put on the worker, and the work cannot be automated.

The present invention has been made to solve the above problems, and its purpose is to simplify the assembling work, improve workability, and enable automatic assembling. It is to provide a switch device for a vehicle lamp.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, according to the present invention, by swinging a switching lever with respect to the contact portions of a plurality of circuit patterns, the contacts provided in the switching lever selectively short-circuit the contact portions. In a switch device for a vehicle lamp that switches electrical connection by means of a switch, the switching lever is provided with a contact insertion hole that opens on the front and back sides, and a ball contact is inserted into this contact insertion hole to insert the ball contact from the opening. A part of the ball contact is projected to form a wide contact part of one circuit pattern, and one side part of the contact part of this one circuit pattern is overlapped with a contact part of another circuit pattern with a gap. At the same time, the other side of the contact portion of one circuit pattern is overlapped with the contact portion of another circuit pattern with a gap, and the ball contact is placed on the contact portion of one circuit pattern and another circuit pattern. Wherein the by positioning between the contact portion of the emission has a structure in which Ru is short circuit between the contacts part.

[0007]

[Action]

 With this configuration, the circuit pattern is arranged in the housing, and after the switching lever is assembled to the housing, the ball contact is inserted into the contact insertion hole, and a part of the ball contact is inserted into the contact protrusion hole. Of the ball contact is located outside the contact of one circuit pattern and the contact of another circuit pattern.

As described above, it becomes possible to assemble the switching lever into the housing and assemble the ball contact respectively, so that the assembling work is simplified and the workability is improved, and the automatic assembling is also possible. Become.

[0009]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an exploded state of a switch device for a vehicle lamp according to the present invention, FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 3 is an explanatory view of a position of a ball contact. In FIG. 1, the X 1 side is the front, the X 2 side is the rear, the Y 1 side is the left, and the Y 2 side is the right.

A vehicular lamp equipped with a switch device according to the present invention includes a housing 1, which is a rectangular flat body in a plan view, and includes an operating portion 2, a switch / lamp mounting portion 3, and It is divided into The lens 4 is mounted on the switch / lamp mounting portion 3, and for this reason, the switch / lamp mounting portion 3 has lens engaging protrusions on the left and right sides of the center and the rear end thereof, respectively. 5 is projected.

A lamp mounting recess 6 is formed in a substantially central portion of the switch / lamp mounting portion 3, and lamp connection terminals 7a and 7b are mounted on front and rear sides of the lamp mounting recess 6, respectively. The lamp 8 is connected to the lamp connection terminals 7a and 7b.

The switch / lamp mounting portion 3 has a first circuit pattern 9 which is another circuit pattern, a second circuit pattern 10 which is one circuit pattern, and another circuit pattern. The third circuit pattern 11 is provided, and the second circuit pattern 10 is located in the middle of the first circuit pattern 9 and the third circuit pattern 11. The first circuit pattern 9 has a contact portion 9a, and a concave portion 13 is formed at the center of the contact portion 9a.

The third circuit pattern 11 has a contact portion 11a and a conductor portion 11b, and a recess 14 is formed in the center of the contact portion 11a. Mounting holes 15 are formed, and these mounting holes 15 are overlapped with the screw holes 16.

The second circuit pattern 10 has a contact portion 10a and a conductor portion 10b. The contact portion 10a has an arc shape in a plan view, and the front edge portion at the center thereof has legs. A portion 17 is formed, and the contact portion 10a is attached to the front side of the conductor portion 10b by the leg portion 17, and the contact portion 10a is parallel to the conductor portion 10b. A recess 18 is formed in the center of the contact portion 10a. The conductor portion 10b is connected to the lamp connection terminal 7a. The contact portions 9a and 11a of the first and third circuit patterns 9 and 11 are arranged in a V shape in plan view with the tip side of the conductor portion 10b of the second circuit pattern 10 inside. Therefore, the left side portion of the contact portion 10a of the second circuit pattern 10 overlaps the contact portion 11a of the third circuit pattern 11 with a gap, and the right side portion of the contact portion 10a is the first circuit pattern 9a. It overlaps with the contact portion 9a with a gap.

The first circuit pattern 9 serves as a door circuit side terminal (not shown), the second circuit pattern 10 serves as a common terminal (not shown), and the third circuit pattern 11 serves as a ground terminal (see FIG. (Not shown), respectively.

At the center of the rear side of the switch / lamp mounting portion 3, a switching lever 19 is mounted so that its middle portion is supported by a support shaft (rivet) 20 and can swing in the left-right direction. A contact insertion hole portion 21 is provided at the front portion of the switching lever 19, and a knob 22 is formed at the rear portion of the switching lever 19.

A ball contact 24 is rotatably inserted into the contact insertion hole portion 21 as shown in FIG. 2. A part of the ball contact 24 is one opening portion of the contact insertion hole portion 21. 21a, and a part of the ball contact 24 projects from the other opening 21b of the contact insertion hole 21. The ball contact 24 is between the contact portion 10a and the conductor portion 10b of the second circuit pattern 10, and the ball contact 24 is fitted in the recess 18 and is neutrally held.

In the switch / lamp mounting portion 3, stoppers 25 are provided at positions to the right of the contact portion 9a of the first circuit pattern 9 and to the left of the contact portion 11a of the third circuit pattern 11. 26 is stuck. Further, the lens 4 is mounted on the switch / lamp mounting portion 3 by removably engaging the lens engaging projection 5 with an edge portion, and the knob 18 of the switching lever 16 described above includes the lens 4 It projects from the rear end to the operation part 2 side.

Next, the operation of the switch device for a vehicular lamp configured as described above will be described. When the switching lever 16 is in the neutral position, the ball contact 24 is in the position shown in FIG. 3, that is, between the contact portion 10a of the second circuit pattern 10 and the conductor portion 10b, and the ball contact 24 is in the concave portion. Since it fits in 18 and is held neutral, it cannot be switched on. Further, when the ball contact 24 enters between the contact portion 10a and the conductor portion 10b, the ball contact 24 fits into the concave portion 18 and thus generates a click feeling.

When the knob 18 of the switching lever 19 is rotated leftward in FIG. 1 to move the ball contact 24 to the position, the ball contact 24 is placed between the contact portion 9a and the contact portion 10a. At the same time, the ball contact 24 is fitted into the recess 13 to short-circuit the contact portion 9a and the contact portion 10a. As a result, the first circuit pattern 9 and the second circuit pattern 10 are electrically connected, and the door circuit terminal is energized. Further, when the ball contact 24 enters between the contact portion 9a and the contact portion 10a, the ball contact 24 fits into the recess 13 and thus produces a click feeling.

When the knob 18 of the switching lever 19 is pivotally operated in the right direction Y2 in FIG. 1 to position the ball contact 24 at the position, the ball contact 24 causes the contact portion 11a and the contact portion 10a. At the same time, the ball contact 24 is fitted into the recess 14 to short-circuit the contact portion 11a and the contact portion 10a. As a result, the second circuit pattern 10 and the third circuit pattern 11 are electrically connected and the lamp 8 is turned on. Further, when the ball contact 24 enters between the contact portion 11a and the contact portion 10a, the ball contact 24 is fitted into the recess 14, and thus a click feeling is generated.

In the above embodiment, the first, second and third circuit patterns 9, 10 and 11 are arranged in the housing 1, and after the assembling of the switching lever 19 to the housing 1, The ball contact 24 is inserted into the contact insertion hole portion 21, and a part of the ball contact 24 is projected out of the openings 21a and 21b of the contact insertion hole portion 21 to make the ball contact 24 into the second circuit. The switch lever 19 is placed between the contact portion 10a of the pattern 10 and the contact portions 9a, 11a of the first and third circuit patterns 9, 11 to assemble the switching lever 19 into the housing 1 and the ball contact 24, respectively. As a result, the assembly work can be simplified, workability is improved, and automatic assembly is possible.

[0023]

[Effect of device]

 As described above, according to the present invention, the switching lever is provided with the contact insertion hole opening to the front and back, and the ball contact is inserted into this contact insertion hole so that a part of the ball contact is projected from the opening. , The contact part of one circuit pattern is formed wide, and one side part of the contact part of this one circuit pattern is overlapped with the contact part of the other circuit pattern with a gap, and the contact part of the one circuit pattern is also formed. The other side of the circuit part is overlapped with the contact part of another circuit pattern with a gap, and the ball contact is located between the contact part of one circuit pattern and the contact part of another circuit pattern. By arranging both contacts to be short-circuited, the circuit pattern is arranged in the housing, and after the switching lever is assembled to the housing, the ball contact is inserted into the contact insertion hole, A part of the ball contact may be projected out of the opening of the contact projecting hole, and the ball contact may be positioned between the contact part of one circuit pattern and the contact part of another circuit pattern, Assembling the switching lever into the housing and assembling the ball contact can be done separately, which simplifies the assembly work and improves workability, and automatic assembly is also possible.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a switch device for a vehicular lamp according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is an explanatory diagram of positions of ball contacts.

FIG. 4 is a sectional view of a main part of a conventional switch device for a vehicle lamp.

[Explanation of symbols]

 9 First Circuit Pattern (Other Circuit Pattern) 9a Contact Point 10 Second Circuit Pattern (One Circuit Pattern) 10a Contact Point 11 Third Circuit Pattern (Other Circuit Pattern) 11a Contact Point 19 Switching Lever 21 Contact Insertion holes 21a, 21b Opening 24 Ball contact

Claims (1)

[Scope of utility model registration request] 1. A vehicle for switching electrical connection by swinging a switching lever with respect to contact portions of a plurality of circuit patterns, whereby contacts provided in the switching lever selectively short-circuit the contact portions. In a switch device for a lighting device, a switching lever is provided with a contact insertion hole portion that opens to the front and back portions, and a ball contact is inserted into this contact insertion hole portion so that a part of the ball contact is projected from the opening portion. The contact part of the circuit pattern is formed wide, and one side part of the contact part of the one circuit pattern is overlapped with the contact part of the other circuit pattern with a gap, and the contact part of the other circuit pattern is The side portion is overlapped with the contact portion of another circuit pattern with a gap, and the ball contact is positioned between the contact portion of one circuit pattern and the contact portion of another circuit pattern. A switch device for a vehicular lamp having a structure in which both contact portions are short-circuited by means of.