JP2001229778A - Slide switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To set corresponding positions of a contact of a contact spring piece and a fixed contact, and a small projection of a click spring piece and an engagement recess highly accurately and to improve the efficiency of the manufacturing process. SOLUTION: A slider 1 has at least one click spring piece 3 with a small projection 2 for click, and a slide spring piece 6 is mounted on a part of the spring pieces 3 and 4 with oblong tops of the spring piece 3 and a contact spring piece 4 as contact points (a) and (b). The slide spring piece 6 is attached to the lower side of the slider 1. The slider switch S has fixed contact points A, B and C with intervals on the inner surface of the bottom of a housing 7, and engagement recesses 8, 8 are also formed with intervals in the housing 7. The contact points (a) and (b) of the contact spring piece 4 are formed in the housing 7, and a small projection 2 is engaged with the engagement recess 8. Change of the engagement of the small projection 2 of the click spring piece 3 with one engagement recess 8 or with the other engagement recess 8 is performed at the same time as change of connection or disconnection between the contact points (a), (b) of the contact spring piece 4 and the fixed contact points A, B and C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide switch provided such that a slider slidably mounted on a case is slid left and right to a set dimension to perform a switching operation such as opening / closing and switching of contacts. Provided is a slide switch characterized in that a click spring piece and a contact spring piece which are separately provided and provided separately are provided as one body by one spring piece.

[0002]

2. Description of the Related Art A conventional switch of this type, for example, as shown in FIGS. 15 to 17, is widely used. In this slide switch 100S, a contact spring piece 104 is mounted on the lower surface of a slider 101, and at the same time. Engaging recesses 108 for click are formed at intervals, and fixed contacts 100A, 100B, 100C corresponding to the contacts of the contact spring pieces 104 are provided on the bottom surface of the case 107, and the click engaging member is provided on the inner surface. A click spring piece 103 formed with a small protrusion 102 that engages with and disengages from the concave portion 108 is attached. The slider 101 is slidably mounted on the case 107 so that the slider 101 can slide left and right. The small protrusion 102 of the click spring piece 103 escapes from the recess 108 to the other engagement recess 108 and engages with the contact spring piece 104 simultaneously. 100a, 100b fixed contact 1
It is configured to perform a switching action by sliding and contacting with 00A, 100B, and 100C.

However, the above-mentioned conventional slide switch has a contact spring piece and a click spring piece separately provided, and the contact spring piece is attached to a slider, and the click spring piece is attached to a case and a case. Therefore, the number of parts increases and each installation man-hour is required, and it takes time, time and cost to process parts, assemble products, etc.

[0004] In addition, since the contact spring piece and the click spring piece are provided on different members and are attached to the different members,
In particular, as in recent times, this type of switch has been miniaturized (for example,
The size of the slide switch according to the embodiment of the present invention is 5.8 in overall width.
mm, total length 13.6 mm, total height 1.6 mm. ), The corresponding positions of the contact spring piece (slider) and the fixed contact (case), and the click spring piece (case) and the small concave part (slider) must be individually adjusted, which is troublesome. At the same time, there is a problem that it is difficult to install them with high precision.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention firstly processes a contact spring piece and a click spring piece, which have been separately provided in the prior art, into a single spring plate in order to reduce the number of parts. So that both are provided as a slide spring piece,

Also, a slide spring piece is attached to the slider side, and a fixed contact and a click engaging recess are provided on the bottom side of the case, so that the contact of the contact spring piece with the fixed contact and the small protrusion of the click spring piece are related. The corresponding positions of the combination recesses are set with high precision and the manufacturing process is made more efficient.

[0007]

That is, according to the present invention, a slider is provided with at least one click spring piece which is formed by processing a single spring plate and protrudes a small projection for click on the lower surface of a rectangular spring piece. At least one contact spring piece protruding downward with both ends of the rectangular spring piece as contact points is provided with a slide spring piece integrally and continuously at a part of both spring pieces, and the slide spring piece is attached to the lower surface. Provided

[0008] The case is provided with fixed contacts on the inner bottom surface at intervals and engaging recesses formed at intervals.

The slider is slidably mounted in the case so as to be slidable left and right. The contact of the contact spring piece is provided so as to be in contact with or separated from the fixed contact on the bottom surface. A slide switch provided in engagement with

[0010] The engagement conversion from the engagement concave portion of the small protrusion of the click spring piece due to sliding of the slider to another engagement concave portion, and the contact or separation conversion between the contact of the contact spring piece and the fixed contact,
The problem is solved by a slide switch, which is provided so as to be performed simultaneously.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
4) The slider 1 processes at least one click spring piece 3 that is formed by processing a single spring plate and projects a small protrusion 2 for click on the lower surface of the rectangular spring piece, and both ends of the rectangular spring piece. At least one contact spring piece 4 protruding downward as the contacts a and b is integrally and continuously connected to a part (for example, a center portion) of the two spring pieces 3 and 4 to provide a slide spring piece 6. The spring piece 6 is provided by being attached to the lower surface of the slider 1.

The case 7 has fixed contacts A, B, C
Are provided at intervals, and the engagement recesses 8, 8 are formed at intervals.

The slider 1 is installed in the case 7 so as to be slidable left and right, and the contacts a and b of the contact spring piece 4 are provided in contact with or separated from the fixed contacts A, B and C on the bottom surface. A slide switch S provided by engaging the small protrusion 2 of the crack spring piece 3 with the engagement recess 8;

The engagement conversion from the engagement recess 8 of the small protrusion 2 of the click spring piece 3 to the other engagement recess 8 by the sliding of the slider 1 and the contacts a and b of the contact spring piece 4 and the fixed contact A , B,
This is a slide switch S provided so as to simultaneously perform contact or separation conversion of C.

The slide spring piece 6 of the slider 1 is
For example, as shown in FIG. 13, one contact spring piece 4 and one click spring piece 3 are continuously formed at a central portion of a single spring plate by press forming or the like, and formed in a substantially E-shape. Other than

As shown in FIGS. 14A and 14B, at least one click spring piece 3 (one or two pieces shown) and one or more contact spring pieces 4 (two pieces shown) are provided at each central portion. It is provided continuously 5 times,

Further, for example, in order to slide the slider 1 smoothly, the guide small convex is symmetrically located with the click small protrusion 2 centering on the center of the click spring piece 3 of the slide spring piece 6 of the slider 1. The protrusion 9 is provided so as to protrude and engage with the guide groove 10 formed on the bottom surface of the case 7 to guide the slide.

Reference numeral 11 denotes a cover which is fitted over the upper surface of the case 7 on which the slider 1 is slidably mounted. It is provided to protrude.

The fixed contacts A, B, and C on the bottom surface of the case 7 are provided at positions corresponding to various purpose switch functions by sliding contact and separation with the contacts a and b of the contact spring piece 4.
In addition to the switching operation between the contacts a and b and the fixed contacts A, B → B and C in FIGS. Symbols A ', B', and C 'indicate the terminals of the fixed contacts A, B, and C protruding outside the case 7.

[0020]

(See FIGS. 4 to 7 and FIG. 8) When the operation projection 12 of the slider 1 is pressed and slid right to left in the figure, the small projection 2 of the click spring piece 3 engages with the bottom of the case 7. Recess 8
Then, the slider 1 is disengaged and slides and engages with the other engaging recess 8 to stop the slider 1. At the same time, the contacts a and b of the contact spring piece 4 slide from the fixed contacts A and B (common) with which the contacts have initially contacted, and the circuit that has contacted the fixed contacts B and C is switched. Slider 1
When pressing and sliding from left to right, small protrusion 2 of click spring piece 3
Returns to the original engaging recess 8 and click-stops.
b also comes back into contact with the original fixed contacts A and B.

In the above operation, the sliding of the window 13 of the cover 11 fitted on the upper surface of the slider 1, the small projection 9 of the click spring piece 3 and the guide groove 10 of the bottom of the case 7 cause the sliding of the slider 1. Guide smoothly.

The above operation is the same when one or more click spring pieces and contact spring pieces are provided. However, the contact / separation relationship between each contact of the contact spring piece and the fixed contact varies depending on the respective arrangement state associated with each purpose switch operation.

[0023]

[Effect] Since the contact spring piece and the click spring piece which are conventionally provided separately are integrated as a slide spring piece, the number of parts can be reduced. In addition, while the slide spring piece is attached to the slider side, the fixed contact and the engagement recess for click are provided on the bottom side of the case, so that the contact and the fixed contact and the small protrusion for click and the engagement recess are respectively installed. The position could be set with high accuracy. As a result, the number of manufacturing steps was reduced, the accuracy of the product was improved, and the cost was reduced. Also, it has become possible to cope with miniaturization of switches.

[Brief description of the drawings]

FIG. 1 is a front view of a slide switch according to an embodiment of the present invention.

FIG. 2 is a plan view.

FIG. 3 is a right side view.

FIG. 4 is a sectional view taken along line DD of FIG. 2;

FIG. 5 is an operation explanatory view of FIG. 4 (slider right → left).

FIG. 6 is a sectional view taken along line EE of FIG. 2;

FIG. 7 is an operation explanatory view of FIG. 6 (slider right → left).

FIG. 8 is a perspective view showing a state where a cover in FIG. 2 is removed.

FIG. 9 is a plan view of a case.

FIG. 10 is a front view of a slider.

FIG. 11 is a plan view of a slider.

FIG. 12 is a bottom view of the slider.

FIG. 13 is a front view, a plan view, and a right side view of a slide spring piece.

14A and 14B are plan views of a slide spring piece according to another embodiment.

FIG. 15 is a plan view of a conventional slide switch with a cover removed.

FIG. 16 is a plan view of a case of a conventional slide switch.

FIG. 17 is a front view, a plan view, and a bottom view of a slider of a conventional slide switch.

[Explanation of symbols]

 S Slide switch A, B, C Fixed contact A ', B', C 'Terminal a, b contact 1 Slider 2 Small protrusion 3 Click spring piece 4 Contact spring piece 5 Continuous 6 Slide spring piece 7 Case 8 Engagement recess 9 Guide small projection 10 Guide groove 11 Cover 12 Operation projection 13 Window 100S Conventional slide switch 100A, 100B, 100C Fixed contact 100A ', 100B', 100C 'Terminal 100a, 100b Contact 101 Slider 102 Small projection 103 click spring piece 104 contact spring piece 107 case 108 engagement recess

Claims (3)

[Claims] 1. The slider processes one spring plate,
At least one click spring piece protruding a small protrusion for click on the lower surface of the rectangular spring piece, and at least one contact spring piece protruding downward with both ends of the rectangular spring piece as contact points, A slide spring piece is provided integrally and continuously at a part of the slide spring piece, and the slide spring piece is attached to the lower surface, and the case is provided with fixed contacts on the inner bottom surface at intervals and the engaging recesses are spaced at intervals. The slider is installed in the case so as to be slidable left and right, and the contact of the contact spring piece is provided in contact with or separated from the fixed contact on the bottom surface, and the small size of the click spring piece is provided. A slide switch provided with a protrusion engaged with an engagement recess, wherein the slide spring slides the click spring piece from the engagement recess of the small protrusion to another engagement recess, and a contact spring. One contact and fixed Contact or separation conversion points, characterized by comprising as carried out simultaneously, the slide switch 2. The slide spring piece of the slider is provided by press-forming one spring plate or the like, and one contact spring piece and one slide spring piece are provided.
In addition to the one in which a plurality of click spring pieces are continuously formed in a central portion in an approximately E-shape, the one in which one or more click spring pieces and one or more contact spring pieces are continuously provided in each center portion, and the like. The slide switch according to claim 1. 3. A guide in which a guide small protrusion projects at a position symmetrical to a small click protrusion about the center of the click spring piece of the slide spring piece of the slider, and the guide small protrusion is formed on the bottom surface of the case. The slide switch according to claim 1, wherein the slide switch is provided so as to be engaged with the groove to guide sliding of the slider.