JPH0992090A - Small-sized switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-sized switch which is served both as a slide switch cable of break and make of an electric path and a push button switch and is extremely simple of structure and is excellent in operation feeling not only by sliding a knob 21 right and left but also by pushing the knob 21, in spite of one piece of mobile piece 18. SOLUTION: In a switch where a mobile piece 18 contacts with the fixed pieces 14 and 16 arranged on a substrate 10 so as to perform the break and make of an electric path by sliding a knob 21 right and left, this mobile piece 18 made of a bent elastic plate is arranged opposite to these fixed contact pieces 14 and 16, and a wall 12 to check the lowering of the knob 21 in either the right or left retaining position of the knob 21 is provided within the base substance 10. Together with it, the mobile piece 18 is brought into contact with the fixed contact pieces 14 and 16, being pressed by the press member 19 arranged under the knob 21d, and in the other retaining position of the knob 21, the knob 21 can move up and down, and the break and make of the electric path is performed, breaking the mobile piece 18 and the fixed contact pieces 12 and 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention allows a handle to be slid to the left and right to open and close an electric circuit despite one movable piece, and to press the handle when the electric circuit is closed when necessary. The present invention relates to a small switch that can be operated like a push button switch.

[0002]

2. Description of the Related Art Conventionally, as a switch of this type, FIG.
As shown in FIG. 3, a short-circuit piece 3 is provided on the lower surface of the handle 2 that operates vertically and horizontally, and a clip-shaped movable contact piece 6 is provided on the converter 5 that interlocks with the horizontal movement of the handle 2. The fixed contact piece 4 and the fixed contact piece 7 are arranged so as to face the movable contact piece 6 and the movable contact piece 6, respectively. Then, when the handle 2 is pressed, the short-circuit piece 3 descends to short-circuit the fixed contact pieces 4, and the movable contact piece 6 short-circuits the fixed contact piece 7 by sliding the handle 2 left and right.

[0003]

However, in the above-mentioned switch, the fixed contact piece 4 is pressed by pressing the handle 2.
Since a short-circuiting piece 3 for short-circuiting between the two and a two-contact mechanism for short-circuiting the fixed contacting piece 7 with the movable contacting piece 6 by the lateral movement of the handle 2 are required, the number of parts is large, the structure is complicated, and the external shape is complicated. There was a drawback that it became big. Further, if a switching moderating mechanism is provided in order to improve the switching feeling, the structure becomes more and more complicated, and there is a drawback that a lot of time is required for the assembly work. The present invention eliminates the above problems,
An object of the present invention is to provide a small-sized switch which has both a push button switch and a slide switch and has an extremely simple structure and which has a good operation feeling.

[0004]

According to the present invention, in order to achieve the above object, a movable piece 18 is brought into contact with fixed contact pieces 14 and 16 arranged on a base 10 by sliding a handle 21 to the left and right. In the switch that opens and closes the electric path, the movable piece 18 in which the elastic plate is curved is provided so as to face the fixed contact pieces 14 and 16, and the grip 21 is held at one of the left and right holding positions of the grip 21. Is provided in the base body 10 and the pressing member 19 provided on the lower surface of the handle 21 presses the movable piece 18 to bring it into contact with the fixed contact piece 14. At the other holding position, the handle 21 can be moved up and down, and the movable piece 18 and the fixed contact piece 14 are brought into contact with and separated from each other to open and close the electric path.

[0005]

According to the present invention, the grip 21 moves up and down at one of the holding positions in the sliding range of the grip 21, and the movable piece 18 is pressed by the pressing member 19 provided on the lower surface of the grip to make a fixed contact. Contact the strip 14. Further, at the holding position on the opposite side, the pressing member 19 presses the movable piece 18 by sliding the handle 21, so that the handle 21 comes into contact with the fixed contact piece 14 and the handle 21 is lowered by the wall portion 12 provided on the base 10. Prevent. Therefore, when the handle 21 is slid to the left and right, it is a general ON / OFF type slide switch, but at the holding position of either one of the handles 21, the handle 21 constitutes a push button switch that moves up and down. is there.

[0006]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1 is an exploded perspective view of the small switch shown in FIG. 1, FIG. 2 is a sectional view of the small switch showing an embodiment of the present invention, and FIG. 3 shows a state in which the handle of the small switch shown in FIG. 1 is pressed. FIG. 4 is a sectional view showing a state where the grip of the small switch shown in FIG. 1 is slid, and FIG. 5 is a plan view of the small switch shown in FIG. 1 with the cover and the grip removed.

In these figures, a recess 11 is formed on the upper surface of a box-shaped substrate 10, and fixing contact pieces 14 and 16 are arranged at the center and substantially the inner circumference of the recess 11, and the fixing contact is made. Terminals 15 and 17 formed integrally with the pieces 14 and 16
Are planted on the side surface of the base 10 in a protruding state. Then, a movable piece 18 having a curved elastic plate is arranged on the fixed contact piece 16 arranged substantially on the inner circumference of the recess 11, and the movable piece 18 is inverted to make contact with the central fixed contact piece 14. It is a thing. Alternatively, the two fixed contact pieces may be arranged at substantially the center of the recess 11 and the fixed contact pieces may be short-circuited by reversing the movable piece 18.

A box-shaped cover lid 25 having a through hole 26 is provided on the upper surface of the base body 10. The projection 13 provided on the base body 10 and the recess 27 provided on the cover lid 25 are fitted in a concave-convex relationship. Through hole 2 on the upper surface of the cover 25
A prism portion 22 of a handle 21, which will be described later, is loosely fitted in the handle 6. The handle 21 is composed of a prismatic portion 22 and a flat portion 23. A hole 28 is provided in the lower surface of the handle 21. A pressing member 19 is arranged via a coil spring 20 so as to abut against the movable piece 18. As shown in FIG. When the handle 21 is pressed at the position, the movable piece 18 is inverted and comes into contact with the central fixed contact piece 14. Further, when the pressing of the handle 21 is released, the handle 21 returns upward.

Further, when the handle 21 is slid to the left side as shown in FIG. 4, the pressing member 19 presses the apex of the movable piece 18, so that the movable piece 18 is reversed and the fixed contact at the center is performed as described above. At the holding position of the handle 21 in contact with the piece 14, the wall portion 12 provided inside the base 10 prevents the handle 21 from descending. Therefore, when the handle 21 is slid to the left and right, it is turned ON and 0FF like a normal slide switch, and the handle 21 can be lowered at either one of the holding positions of the handle 21, and the configuration is the same as that of an automatic reset type push button switch. It will be.

FIG. 5 is a plan view in which the cover 25 and the handle 21 of the present invention are removed, and the pressing member 19 on the lower surface of the handle 21 is eccentric with respect to the prismatic portion 22 of the handle 21 so that the pressing member 19 is used. Despite that there are two apexes of the curved movable piece 18 and a position deviated from this apex,
The stop positions of the left and right handles 21 with respect to the switch body do not become unbalanced and can be arranged on the target.

FIG. 6 is a plan view showing another embodiment of the present invention with a cover and a handle removed, in which an end face of a movable piece 35 having an elastic plate formed in a curved shape is cut in parallel, and a switch is provided. This has the effect of reducing the width of the base body 30 forming the main body. 7A and 7B are perspective views showing the shape of the movable piece of the present invention. FIG. 7A is a movable piece 18 shown in the embodiment of FIG. 1, and FIG. 7B is a movable piece 35 of another embodiment shown in FIG. Is. Further, (C) is a movable piece 40 having a cross shape in which four curved portions are provided with recesses, and various shapes can be considered in relation to the insulation distance and the switching feeling.

In the embodiment of the present invention, the pressing member 19 is arranged via the coil spring 20, but an elastic member such as a leaf spring or rubber may be used, and various elastic members due to the relationship between the handle 21 and the movable piece 18. Can be considered. It should be noted that the present invention is not limited to the embodiments described above, and various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.

[0013]

As described in detail above, according to the present invention, the following effects can be obtained. (1) A movable piece formed by bending an elastic plate is arranged on the fixed contact piece, and the pressing member arranged on the lower surface of the grip is pressed by pressing the grip at either one of the holding positions of the grip. Press the movable piece through to contact the fixed contact piece,
Since the movable contact piece comes into contact with the fixed contact piece at the other holding position of the handle and the wall portion for preventing the handle from descending is provided in the base body, a pair of fixed contact elements which is a component configuration of a general slide switch is provided. It is possible to provide a small switch having a push button switch function in a slide switch with a minimum number of parts using one piece and one movable piece. (2) Since the slide switch and the push button switch are both used without newly providing a contact mechanism for the slide switch and a contact mechanism for the push button switch as in the prior art, the number of parts is small and the structure is extremely simple. Therefore, it is possible to provide a small-sized switch that is easy to assemble, has a compact size, and has a small external appearance and that has a push-button switch function. (3) Since the movable piece formed by bending the elastic plate is used, the structure is not crisp and has a good operation feeling without using a special switching moderation mechanism, and the elasticity of the curved plate spring is utilized. We can provide a compact switch with a push-button switch function for a slide switch with a long life span of 10,000 times or more. (4) Since the position of the protrusion provided on the lower surface of the handle and the arrangement of the movable piece are eccentric with respect to the sliding range of the handle, the apex of the movable piece curved by the pressing member and the position deviated from this apex Despite the two pressing positions, the stop positions of the left and right handles with respect to the switch main body can be arranged symmetrically without being unbalanced, and can be used for many purposes like conventional slide switches.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a small switch showing an embodiment of the present invention.

FIG. 2 is a sectional view of a small switch showing an embodiment of the present invention.

FIG. 3 is a sectional view showing a state in which a handle of the small switch of the present invention is pressed.

FIG. 4 is a cross-sectional view showing a state where the handle of the small switch of the present invention is slid.

FIG. 5 is a plan view of the small switch of the present invention with the cover and handle removed.

FIG. 6 is a plan view showing another embodiment of the present invention with a cover and a handle removed.

FIG. 7 is a perspective view showing the shape of a movable piece of the present invention.

FIG. 8 is a sectional view of a conventional small switch.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Base 11 Recess 12 Wall 13 Projection 14 Fixed contact piece 1 15 Terminal 1 16 Fixed contact piece 2 17 Terminal 2 18 Movable piece 19 Pressing member 20 Coil spring 21 Handle 22 Square column part 23 Flat part 24 Hole 25 Cover lid 26 Through hole 27 points 28 holes

Claims (3)

[Claims] 1. A switch in which a movable piece contacts a fixed contact piece disposed on a base body by sliding a handle to the left and right to open and close an electric path, and an elastic plate is curved so as to face the fixed contact piece. The movable piece is provided, and the movable piece is provided by a pressing member provided on the lower surface of the handle while a wall portion for preventing the handle from descending is provided at either one of the left and right holding positions of the handle. By pressing to bring the fixed contact piece into contact with the fixed contact piece so that the handle can be moved up and down at the other holding position of the handle to bring the movable piece and the fixed contact piece into contact with each other to open and close the electric path. A small switch that does. 2. The small switch according to claim 1, wherein a central position of a protrusion provided on a lower surface of the handle is eccentric with respect to a lateral sliding range of the handle. 3. The small switch according to claim 1, wherein the movable piece is disposed eccentrically with respect to the left and right sliding range of the handle.