KR100237589B1 - Slide operating type switch - Google Patents

Abstract

A slide operation type switch that is suitable for low cost and small size by omitting a leaf spring for causing a clicking feeling is provided.

A plurality of fixed contact pieces 2 are exposed on one side of the protrusion 3 and the other side of the other side of the protrusion 3 is exposed on the other side of the wafer 3. [ A plurality of cam crests 3a are formed. The operating body 5 is slidably assembled to the wafer 1 and the movable contact piece 6 held in the operating body 5 is inserted to hold both sides of the projection 3 therebetween, One contact 6a of the movable contact piece 6 was brought into elastic contact with each fixed contact side and the other contact 6a was brought into elastic contact with the side of each cam crest 3a.

Description

SLIDE OPERATING TYPE SWITCH [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide operation type switch, and more particularly to a click mechanism for giving an operator a click feeling.

BACKGROUND ART [0002] As a slide operation type switch in which a click mechanism is conventionally provided, a structure disclosed in Japanese Utility Model Laid-Open No. 58-85730 is known. The slide-type switch disclosed in this publication includes an operating body manually operated by an operator, a movable contact piece in the form of a clip held by the operating body, a plurality of fixed contact pieces arranged in a predetermined distance from the base of the synthetic resin, And a movable contact piece is assembled so as to hold the fixed contact piece therebetween.

When the operator reciprocates in the arranging direction of the fixed contacts, when the operator uses the movable contact, the movable contact selectively contacts and separates from the fixed contacts, and the switching operation of on and off is performed. At this time, a clicking feeling is generated due to engagement between the cam crest of the operating body and the projecting portion of the plate spring, and this click feeling is transmitted to the finger of the operator. Therefore, the operator can confirm that the on / off conversion operation is performed by clicking.

However, in the above-described conventional slide operation type switch, since a leaf spring for generating a click feeling is required, there is a problem that the number of parts increases, which hinders low cost and miniaturization.

In general, the fixed contact piece is formed by plating a noble metal-plated copper plate or the like on the surface thereof as a base material and punching it into a predetermined shape, so that plating can not be attached to the fracture surface at the time of punching, and the base material is exposed. However, in the above-mentioned conventional slide operation type switch, the fixed contact piece is merely located on the base, and not only the sliding surface with the movable contact piece but also the punched broken end face (cross section) There was also a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a slide operation type switch which is suitable for low cost and small size by omitting a leaf spring. Another object of the present invention is to prevent corrosion of a stationary contact, And a slide operation type switch.

1 is a longitudinal sectional view of a slide operation type switch according to an embodiment of the present invention,

2 is an exploded perspective view of the switch,

3 is a cross-sectional view of a slide operation type switch according to another embodiment of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS (S)

1: Wafer (Waiting) 2: Fixed contact piece

3: protrusion 3a: cam crest

3b: Taper 4: Cover

5: Operating body 5a:

5b: Handle portion 6: movable contact piece

6a: Contact point

The present invention is characterized in that a protrusion held by a movable contact piece is formed integrally with a base of a synthetic resin, a fixed contact piece is exposed on one surface of the protrusion, and a cam crest is formed on the other surface.

When the cam crest is formed on the projection held by the movable contact piece, the movable contact piece selectively contacts and detaches from the fixed contact piece exposed on one surface of the projection when the clip-like movable contact piece moves along the projection in cooperation with the operating body And a click feeling is generated by sliding the movable contact piece against the cam crest formed on the other surface of the projection.

The sliding operation type switch of the present invention includes a plurality of fixed contact pieces arranged at predetermined intervals in a base of synthetic resin, a movable contact piece in a clip shape capable of contacting and disengaging with the fixed contact piece, and a movable contact piece Wherein the fixed contact piece is exposed on one surface of the protrusion, and a cam crest is formed on the other surface of the protrusion, and the movable contact piece is formed integrally with the movable contact piece, .

In the case of molding a plurality of rows of protrusions, it is preferable not to form a cam crest on the remaining protrusions in order to generate a stable click feeling, and it is preferable that the protrusions are formed in a row or a plurality of rows in accordance with the number of circuits. Do. At this time, if the projection formed with the cam crest is disposed in the column nearest to the operation portion of the operation body, the operation feeling of the operation body can be particularly good.

In addition, if a covering portion covering all the fracture surfaces of the stationary contact piece is formed on the protrusion, the stationary contact piece is hardly corroded, and reliability can be enhanced.

Further, if a taper spreading toward the bottom surface of the base is attached to the covering portion, the movable contact piece of the clip shape can be easily assembled to the projection.

(Example)

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a longitudinal sectional view of a slide operation type switch according to a first embodiment of the present invention, and Fig. 2 is an exploded perspective view of the switch.

As shown in these figures, the wafer 1 formed of a synthetic resin has a box-like shape with its top surface opened, and a plurality of fixed contact pieces 2 are formed on the bottom surface thereof. These fixed contact pieces 2 are formed by plating a noble metal on the surface of the copper plate, and a portion protruding from the lower surface of the wafer 1 is a terminal 2A. The fixed contact pieces 2 are provided in a heat-dissipating manner inside the wafer 1, and are separated from each other at a predetermined interval. In the interior of the wafer 1, there are formed two row-like projections 3 parallel to each other in correspondence with the respective fixed contact pieces 2, and these projections 3 are formed on the wafer 1 in such a manner that the fixed contact piece 2, It is integrally molded. Each fixed contact piece 2 is exposed in one side surface of the projection 3, but all of the fracture surfaces excluding the exposed surface, i.e., the upper surface, are covered with the projection 3. [ A plurality of cam crests 3a are formed on the other side surface of the protrusion 3 and a tapered portion 3b is formed on the upper end of the protrusion 3. [

An upper open end of the wafer 1 is covered with a cover 4 made of a metal plate and an operating body 5 formed of a synthetic resin is arranged between the cover 4 and the wafer 1 so as to be reciprocally movable have. A pair of recesses 5a are formed in the operating body 5 and a handle 5b protruding outside the wafer 1 is formed. A movable contact piece 6 in the form of a clip is held in each concave portion 5a and a plurality of contacts 6a are provided facing each other on each movable contact piece 6. [ The movable contact piece 6 is made of a material rich in elasticity such as phosphor bronze or the like and is inserted so as to sandwich and hold both side surfaces of the protrusion 3. [

Next, the operation of the switch constructed as described above will be described. When the operator operates the finger 5b of the operating body 5 protruding from the wafer 1 with a finger or the like to slide the movable contact piece 6 held by the operating body 5 And moves in the longitudinal direction of the projection (3). As a result, one of the contacts 6a of the movable contact piece 6 is selectively brought into contact with and separated from the plurality of fixed contact pieces 2, so that the on / off switching operation is performed and the other contact 6a are selectively tangled with the plurality of cam crests 3a to generate click feeling. Therefore, the operator can confirm that the on / off conversion operation has been performed accompanied by a click feeling.

As described above, according to the slide operation type switch of the present embodiment, the contact 6a of the movable contact piece 6 is selectively brought into contact with and released from the fixed contact piece 2 exposed on one surface of the projection 3, And the contact 6a of the movable contact piece 6 buckles against the cam crest 3a formed on the other surface of the projection 3 to generate a clicking feeling, , It is possible to reduce the cost and size. Further, since all the fracture surfaces of the fixed contact piece 2 are covered with the protrusion 3 made of a synthetic resin, the fixed contact piece 2 is hardly corroded, and reliability can be enhanced. Further, since the narrow taper 3b is formed at the upper end of the protrusion 3, the movable contact piece 6 can be easily inserted into the protrusion 3, and the assembling workability can be enhanced.

3 is a cross-sectional view of a slide operation type switch according to a second embodiment of the present invention, in which parts corresponding to those in Figs. 1 and 2 are denoted by the same reference numerals.

In the embodiment shown in Fig. 3, the projections 3 (the lower side in the figure) near the handle portion 5b of the operating body 5 among the two-parallel alternating-shaped projections 3 formed inside the wafer 1 The stationary contact piece 2 and the cam crest 3a are formed in the same manner as in the embodiment described above but the projection 3 on the far side (upper side in the drawing) of the operating body 5, (2) is exposed but the cam crest (3a) is not formed. In this case also, when the operator slides the handle 5b of the operating body 5 with his / her finger or the like, the movable contact pieces 6 move in the slide direction while holding the respective projections 3 therebetween, The contact 6a of the contact piece 6 is selectively brought into contact with and disengaged from the corresponding fixed contact piece 2, thereby turning on and off the contact for two circuits. At this time, a click feeling is generated from the side of one of the projections 3 having the cam crest 3a and no clicking feeling is generated from the side of the other side of the projections 3 having no cam crest 3a, The operator can confirm that the ON / OFF conversion operation has been performed by clicking feeling generated from one of the projections (3).

In addition to the effects of the first embodiment described above, when the cam crest 3a is formed on both the projections 3, it is possible to reduce the feeling of click feeling, that is, The circuit breaker 2 is prevented from unwanted clicks generated in the case where the cam crest 3a is displaced between the two circuits or when there is rattling in the operating body 5, The feeling can be stabilized. Since the protrusion 3a having the cam crest 3a is positioned in the row near the handle 5b of the operating body 5, the handle 5b operated by the operator's finger or the like causes a click feeling The distance of the cam crest 3a is shortened and the operation feeling of the operating body 5 can be improved.

Further, in each of the above-described embodiments, a two-piece type (for two circuits) slide operation type switch having two fixed fixed contact pieces and two movable contact pieces 6 has been described, but the number of years of the switch is not limited to two , One (1) or three or more years can be applied. The cam crest 3a may be formed on all the projections 3 in the case of applying to three or more streaks. However, as described in the second embodiment, the cam crests 3a may be formed only in one row of the projections 3 Is suitable for stabilizing the click feeling.

In the above-described embodiments, the horizontal type slide operation type switch in which the operating body 5 moves in the horizontal direction has been described. However, the vertical type slide operation type switch in which the operation body 5 moves in the vertical direction, Of course, can be applied.

The present invention is implemented in the form as described above, and has the effects described below.

When the movable contact piece moves along the projection in association with the operation body by integrally molding the projection held by the movable contact piece on the base of the synthetic resin and exposing the fixed contact piece on one surface of the projection and forming the cam crest on the other surface, The movable contact piece is selectively brought into contact with and separated from the fixed contact piece exposed on one side of the projection, and the switching operation of on and off is performed. At the same time, the movable contact piece touches the cam crest formed on the other side of the projection, Therefore, the click-detaching plate spring is omitted, and the cost reduction and the miniaturization can be achieved.

Further, if a covering portion covering all the fracture surfaces of the stationary contact piece is formed in the above-mentioned protrusion, the stationary contact piece is hardly corroded and the reliability can be enhanced.

Further, when a taper extending toward the bottom surface of the base is attached to the covering portion of the projection, the movable contact piece can be easily inserted into the projection and the assembling workability can be enhanced.

In addition, in the case where the above-mentioned protrusion is thermally formed in correspondence with the multi-circuit formation, if the cam crest is formed only in one row of the projections and the cam crest is not formed in the remaining projections, A click feeling can be generated. The operation feeling of the operating body can be made particularly good by disposing the projection formed with the cam crest at the column nearest to the operating portion of the operating body.

Claims (5)

A plurality of fixed contact pieces arranged at predetermined intervals in a base of a synthetic resin, A movable contact piece having a clip shape capable of contacting and separating from these fixed contact pieces, And an operating body for reciprocating the movable contact piece in the arrangement direction of the fixed contact pieces, A protrusion held by the movable contact piece is formed integrally with the base, Wherein the fixed contact piece is exposed on one surface of the protrusion and the cam crest is formed on the other surface of the protrusion. The method according to claim 1, Wherein the protrusion is formed with a covering portion covering all the fracture surfaces of the stationary contact piece. 3. The method of claim 2, And a taper extending toward the bottom surface of the base is attached to the covering portion. The method according to any one of claims 1 to 3, Wherein the projections are formed in a plurality of rows in parallel with each other on the base, and the cam crests are formed on only one of the plurality of projections. 5. The method of claim 4, And the cam crest is formed on the protrusion of the row closest to the operating handle portion of the operating body.