KR860002921Y1 - Slide switch - Google Patents

Abstract

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Description

Slide switch

1 is a diagram showing the configuration of a non-short type slide switch conventionally used.

2 is a cross-sectional view showing the shape of the movable contact piece used in the slide switch of FIG.

3 is a configuration diagram of a short-circuit type slide switch used in the related art.

Figure 4 is a block diagram of an embodiment of a non-short type of slide switch of the present invention.

5 is a configuration diagram of a short-circuit embodiment of a slide switch of the present invention.

6 to 8 are views of the movable contact piece used in the non-short type embodiment of the slide switch of the present invention.

9 is a view showing the process of the sliding operation in the non-short-acting embodiment of the slide switch of the present invention.

10 is a view showing a procedure of the sliding operation in the short-circuit embodiment of the slide switch of the present invention.

Figure 11 is a view showing the shape of another example of the contact portion used in the slide switch short circuit type embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

(11): substrate (12-1)-(12-4): fixed contact piece

(15): common terminal (20): movable contact

(20-A) (20-B): Guide piece (21-1) (21-2) (22-1) (22-2): Contact portion

(25-1) (25-2): Spacing piece (13-1)-(13-4): Wide part

(14-1)-(14-4): Narrow part

The present invention relates to a slide switch that can be simply configured in any type of non-short type or short type type switch and can realize smooth sliding operation.

A plurality of fixed contact pieces having a narrow contact portion and a wide contact portion are disposed on the insulated substrate, and the common contact pieces are laid so as to face the fixed contact pieces, and the fixed contact pieces are spread over so that the sliding contact piece is formed of the fixed contact piece. A slide switch is installed so as to come into contact with the contact portion and the contact portion, and performs a non-short type or short type switching operation in accordance with the movement of the sliding contact piece.

The configuration shown in FIG. 1 is a switch of this type which is conventionally used, and a plurality of fixing contact pieces 12-1 to 12-4 are fixedly disposed on the insulating substrate 11 at intervals from each other. These stationary contact plates 12-1 to 12-4 have a wide portion 13-1 to 13-4 on the substrate 11 side, and these wide portions 13-1. A narrow portion 14-1-14-4 whose width is narrowed is formed at the end side separated from the substrate 11 in succession with-13-13.

The common terminals 15 extend in a state in which they are electrically insulated from the fixed contacts 12-1 and 12-4 so that these fixed contacts 12-1 and 12-4 are surrounded on the same plane. Exposed and fixed to the board | substrate 11 in the both ends. One end of the common terminal 15 is drawn out in parallel with the lead terminal portions of the fixed contacts 12-1 to 12-4 from the substrate 11, so that the lead terminal 16 of the common terminal 15 do.

The movable contact piece 20 is attached to the common terminal 15. The movable contact piece 20 is formed of an elastic conductive material, and the contact portion with the common terminal 25 or the fixed contact pieces 12-1 to 12-4 so as to span the common terminal 15 on both sides of the front and back surfaces. The side becomes a bifurcated shape. In addition, the movable contact pieces 20 are formed with legs extending at right angles to the longitudinal direction at both ends in the longitudinal direction thereof. The leg portion at one end in the longitudinal direction of the common terminal 15 of the movable contact piece 20 becomes the contact portions 21-1 and 21-2, and the common terminal 15 in the contact portions 21-1 and 21-2. The other end side separated from the board | substrate 11 of () is elastically clamped. In addition, contact portions 22-1 and 22-2 are formed at the other end of the common terminal 15 in the longitudinal direction of the movable contact piece 20 in the non-short type as shown in FIG. In this case, these contact portions 22-1 and 22-2 elastically sandwich the narrow portions 14-1 and 14-4, which are the widths of the fixed contact pieces 12-1 and 12-4.

Narrow portions 14-1 to 14-4 of the common terminal 15 and the fixed contact piece respectively at the contact portions 21-1, 21-2 and 22-1 and 22-2. The movable contact piece 20 is attached to the sliding member along the longitudinal direction across the common terminal 15 in the state which pinched | interposed. Therefore, in the non-short type type | mold shown in FIG. 1, when the movable contact piece 20 is contacted, the contact parts 22-1 and 22-2 will contact each fixed contact piece 12-1-12-4 currently in contact. The so-called short-circuit type switch which performs contact with the following fixed contact pieces 12-1 and 12-4 while releasing contact with is performed.

3 is a diagram showing a short-circuit configuration, in which the positions of the contact portions 22-1 and 22-2 are laid toward the substrate 15, and the width of the fixed contact piece is set by the contact portions 22-1 and 22-2. This wide structure 13-1-13-4 has a structure which can elastically sandwich the position. In the shape of FIG. 3, when the movable contact piece 20 is brought into contact, the contact parts 22-1 and 22-2 maintain contact with each of the fixed contact pieces 12-1 and 12-4 currently in contact. The so-called short-circuit switching is performed while making contact with the following fixed contact pieces 12-1 and 12-4.

However, in such a conventionally used slide switch, it is necessary to set the height with respect to the board | substrate 11 of a movable contact piece long in order to make a short-circle-type switching, and the height with respect to the board | substrate 11 of the whole slide switch becomes high, and the whole Cannot be oversized.

Moreover, since the distance from the board | substrate 11 of the contact part 21-1, 21-2 and the contact part 22-1, 22-2 differs considerably from the movable part 20, each of the movable contact pieces 20 is different. The pinching position of the common terminal 15 or the fixed contact pieces 12-1 to 12-4 at the contact portion of the pin becomes asymmetric with respect to the sliding direction, and a difference occurs in the elastic clamping force. The elasticity holding to the common terminal 15 or the fixed contact pieces 12-1 to 12-4 of the () is unstable. For this reason, in the sliding state of the movable contact piece 20, the position of the movable contact piece 20 may deviate, and there exists a possibility that accurate sliding may not be performed.

The present invention solves all the problems of the conventional slide switch described above, can reduce the height with respect to the substrate 11, and also the common terminal 15 and the fixed contact piece 12-1 of the movable contact piece 20. It is an object of the present invention to provide a slide switch in which the elastic holding state with respect to-(12-4) is stable and the sliding operation can be performed extremely smoothly.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described in detail based on an accompanying drawing.

4 shows the structure of the main part of the embodiment of the present invention in the non-short type, and each fixed contact piece is provided on the common terminal 15 extending and arranged in the arrangement direction of the fixed contact pieces 12-1 to 12-4. (12-1) (12-2)... This narrow portion 14-1 and 14-2. Space | interval piece 25-1 (25-2) ... so that it may extend | expose between the adjoining parts. This is installed. . These spacer pieces 25-1 and 25-2. The tip portion of the narrow portion 14-1 (14-2). And wide portions 13-1 and 13-2. It is extended to the boundary position of. And the space pieces 25-1 and 25-2. The thickness of the narrow portions 14-1 and 14-2. It is set approximately equal to the thickness of.

The movable contact piece 20 is formed in two ways so that it may be arrange | positioned on the common terminal 15 from both surfaces of the front surface and the back surface, and operation and movement at the time of sliding to the both ends of the part located over the common terminal 15 are carried out. Guide piece 20-A (20-B) is attached so that the front-end | tip may be separated from common terminal (! 5) for the sake of smoothness. Both ends of these guide pieces 20-A and 20-B in the center of both plates of the movable contact piece 20 are bent and the first piece is bent so that the center piece portions narrowed by the cutouts are approached to each other. (21-1) and 21-2 are formed. In addition, the central portions of both plates of the movable contact piece 20 are extended to the opposite sides of the guide pieces 20-A and 20-B and bent to approach each other so that the second contact portions 22-1 and 22-2 are formed. Is formed.

Thus, the 1st contact parts 21-1 and 21-2 are comprised so that the common terminal 15 may be elastically clamped on both surfaces in the center position of the movable contact piece 20 substantially in the width direction.

The second contact portions 22-1 and 22-2 are fixed contact pieces 12-1 and 12-2. Narrow portion 14-1 (14-2). It is generally configured to be sandwiched on both sides elastically in its central portion.

Therefore, in the non-short type type | mold shown in FIG. 4, for example, as shown in FIG. In the course of the contact sliding of the second contact portions 22-1 and 22-2 during the sliding movement to the narrow portion 14-2, the second contact portions 22-1 and 22-2 are spaced apart. The second contact portions 22-1 and 22-2 elastically approach each other between the narrow portions 14-1 and 14-2 so that the so-called pinching occurs because the 25-1 is sandwiched. There is no Accordingly, the sliding of the second contact portions 22-1 and 22-2 from the narrow portion 14-2 to 14-2 is performed very smoothly.

In order to further improve smooth sliding, the second contact portions 22-1 and 22-2 are provided at both ends in the sliding direction of the second contact portions 22-1 and 22-2 toward both ends. The tapered surface is formed so as to reduce the thickness of the tape.

The movable contact piece 20 is symmetrical in the sliding direction, and the first contact parts 21-1, 21-2 and the second contact parts 22-1 and 22-2 are movable contact pieces 20. As shown in FIG. It is arranged on the center line of the sliding direction of). Therefore, the common terminals 15 and the fixed contact pieces 12-1 and 12-2 of the movable contact piece 20 are provided. The elastic holding state with respect to is extremely stable, and the sliding operation of the movable contact piece 20 is performed smoothly.

5 shows a short-circuit configuration, which is an embodiment of the slide switch of the present invention, in which a central portion of the movable contact piece 20 is divided into two pieces and extends opposite to the guide pieces 20-A and 20-B. It is. The extension piece divided into two pieces is provided with a common terminal 15 and a fixed contact piece 12-1, 12-2. Is bent from both sides of the front and back surfaces and elastically bent in a direction approaching each other so as to face each other to form second contact portions 22-11, 22-21 and 22-12, 22-22. .

In this short circuit type, in the sliding of the movable contact piece 20, as shown in FIG. 10, for example, as shown in FIG. 10, the fixed contact piece 12-1 in the narrow part 14-1 of the fixed contact piece 12-1 is carried out. The second contact portions 21-11, 21-21 and 22-12 and 22-22 move to the gap 25-1 when moving to the narrow portion 14-2 of -2). Implement through. In this case, the shape and arrangement of the sliding directions of the second contact portions 22-11, 22-21 and 22-12, 22-22, and the narrow portions 14-1, 14-2, and the gaps Since the shape and arrangement of the pieces 25 are selected, the second contact portions 22-11, 22-21 and 22-12, 22-22 are each fixed contact pieces 12-1 currently in contact. (12-2)... And the following fixed contact pieces 12-1 and 12-2, while maintaining contact therewith. A so-called short-circuit type switching in contact with is performed.

FIG. 11 shows another embodiment of the second contact portions 22-1 and 22-2 in the case of the short circuit type. In this case, the center portion of the movable contact piece 20 is the guide piece 20-A (20-). Second contact portions 22-1 and 22-2 extending in one piece on the opposite side to B) and extending in the sliding direction are formed. Also in this case, as shown in FIG. 11, the sliding process from the fixed contact piece 12-1 to the fixed contact piece 12-2 is shown. The so-called short-circuit type switching is performed smoothly in a state in which (25-1) is moved and the second contact portions 22-1 and 22-2 are not caught.

In this way, the slide switch of the present invention is a fixed contact piece (12-1) (12-2). And the shape of the movable contact piece 20, and the fixed contact pieces 12-1 and 12-2. Second contact portions 22-1 and 22-2 located on the side; The non-contact type and the contact type can be produced simply by changing the width of the part. Therefore, there are few parts with different parts by the type difference, and a manufacturing process can be performed very efficiently and with low manufacturing cost.

The second contact portions 22-1 and 22-2. (12-1) (12-2) Since the above contact trajectory is substantially the same, and the height from the substrate 11 can be drastically reduced in comparison with the conventional one in the state of being attached to the substrate 11, the whole size can be realized.

The movable contact piece 20 includes the common terminal 15 and the fixed contact pieces 12-1 and 12-2. With respect to this, it is extremely stable and elastically held at the time of the sliding operation, and also the spacer pieces 25-1, 25-2. By virtue of this, the smooth contact operation is realized without the second contact portions 22-1 and 22-2 of the movable contact piece 20 being caught in the sliding process.

In the embodiment, the space pieces 25-1 and 25-2 are provided. Has been described as being integrally formed on the common terminal 15, the spacer pieces 25-1 and 25-2. The structure is not limited to being formed integrally with the common terminal 15, but can also be realized by a structure formed separately from, for example, an insulating material and connected to the common terminal 15.

As described in detail above, according to the present invention, by changing only the width of a part of the movable piece, a short-circuit type and a non-short type slide switch can be obtained, and the manufacturing cost and material cost can be greatly reduced. Also in the switching operation of the switch, since the contact portion of the movable contact piece is not caught during sliding, and the attachment of the movable contact piece remains in a stable state, the slide switch can be obtained smoothly and reliably.

Claims (1)

The plurality of fixing pieces 12-1-12-4 are arranged in a row at intervals, and in the same plane as the fixing pieces 12-1-12-4, from above. The common terminal 15 extends in the arrangement direction of the fixed contact pieces 12-1 to 12-4, and protrudes downward from the common terminal! 5 in the downward direction 25-1 to 25 -3) are disposed within the gap between the fixed contact pieces 12-1 and 12-4, and the first contact portions 21-1 and 21-2 contacting the common terminal 15 and the fixed portion. The movable contact piece 20 having the second contact portions 22-1 and 22-2 in contact with the contact pieces 12-1 to 12-4 is provided by slidingly mounted on the common terminal 15. In the slide switch, the movable contact piece (20) has a generally U-shaped side plate that faces each side of the common terminal (15), and moves upwards and downwards from the bottom of the generally U-shaped side plate. Each contact piece protrudes, and the upper contact piece part has a common terminal (1). First contact portions 21-1-21-2 are formed in contact with 5, and second contact portions (12-1-12-4) are in contact with the lower contact portion 12-1-12-4. 22-1) and 22-2, and the short switch and the non-short switch operation are selectable by setting the width of the contact piece which protrudes downward, The slide switch characterized by the above-mentioned.