JP5183513B2 - Switch with double click function - Google Patents

Description

The present invention relates to a switch with a two-stage click function incorporated as a signal input unit in an optical device such as an audio device, a video device, a communication device, a measuring instrument, other electrical devices, or a camera.

Patent Document 1 discloses that a two-stage feel (click feeling) is obtained with one contact spring (first movable contact). In the shape of the first movable contact of Patent Document 1, there are only two connecting pieces of the central disc portion and the ring-shaped frame portion of the outer peripheral edge having a narrow width on the diameter line of the central disc portion. . For this reason, according to the life test, as the load and the click rate increase, cracks are likely to occur at the base portion of the connecting piece, and the life is short.

Further, according to the technique of Patent Document 1, the ring-shaped frame portion on the outer peripheral edge has four aperture portions every 90 degrees or two aperture portions every 180 degrees with respect to the center. These narrowed portions form a radial bead on a flat ring-shaped frame, draw the ring frame material in the circumferential direction at the bead formation position, and distort the entire donut-shaped ring frame. The ring-shaped frame has a click function. In the technique, since the connecting piece becomes higher than the outer peripheral bottom surface of the first movable contact due to the formation of the bead, there is a disadvantage that the first operation stroke is long and it is vulnerable to repeated fatigue.

Patent Document 2 discloses a two-spring type two-stage switch (two-stage click spring). In the two-stage click spring, because of the structure for superimposing, the protrusion shape of the contact portion is provided or the shape does not shift, so that it is necessary to have a complicated shape. In addition, since the two springs are assembled, it takes a large number of processing steps, which is a factor in increasing costs.

JP 2002-352664 A JP 2005-259462 A

Therefore, the problem to be solved by the present invention is to provide a product having a longer life and a lower cost compared to a single contact spring of the related art, and at the same time, a lower cost and a poor assembly than a two-spring type two-stage click spring. It is to provide a switch with a two-stage click function that is easy to use for small equipment by reducing and improving quality, making it possible to produce a small and short stroke contact spring.

Based on the above problems, the present invention combines a contact spring (1) with a two-stage click function and a flat or box-type switch base (11) to provide a switch (10) with a two-stage click function. Is configured.

The contact spring (1) is formed by discontinuous two or more arc-shaped elongated holes (3) in a circular spring material (2) in the circumferential direction of the same circle at equal intervals with respect to the central angle. The portion of the circular spring material (2) outside the long hole (3) is formed in a dish or dome shape to form a first movable contact portion (4) that can be reversed and returned, and a long hole ( A portion of the circular spring material (2) on the center side of 3) is formed in a dome shape as an unevenness in the same direction as the first movable contact portion (4), and the second movable contact portion (5 ), The first movable contact portion (4) and the second movable contact portion (5) are connected by the connecting portion (9) between the adjacent elongated holes (3), and the connecting portion (9) The first movable contact (6) is formed by the convex portion on the concave surface side, and the second movable contact (7) is formed at the concave surface side center of the second movable contact portion (5), With respect to the center angle of 2 or more support pieces to the outer peripheral edge (8) form the spring member (2) formed at equal intervals, it is configured. The reverse load of the first movable contact portion (4) is set smaller than the reverse load of the second movable contact portion (5), and the return load of the first movable contact portion (4) is 2 is set smaller than the return load of the movable contact portion (5) , and the switch base (11) has a first movable contact portion (4) on the surface facing the contact spring (1). Has a first fixed contact (12) at a position corresponding to the second movable contact (5), and a second fixed contact (13) at a position corresponding to the second movable contact portion (5). In the function-equipped switch (10), the connecting portion (9) and the first movable contact (6) are formed at an intermediate position in the circumferential direction between two adjacent support pieces (8).

The first movable contact portion (4) is composed of a plurality of dish-shaped or dome-shaped different shapes, and is a circular bent portion centering on the center position of the circular spring material (2) at the boundary position of the different shapes. (4a) is formed (Claim 2 ).

In the switch with two-stage click function (10), the second movable contact portion (5) is formed by any one of a combination of a plurality of dome shapes having different shapes and a combination of different shapes of a dome shape and a conical surface. The circular bending part (5a) centering | focusing on the center position of the circular spring material (2) is formed in the boundary position of different shape, and is formed (Claim 3 ).

Four long holes (3) and support pieces (8) are formed at the same phase with the same phase with respect to the central angle (claim 4 ).

In the switch (10) with the two-stage click function, the switch base (11) is configured as a flat plate type and includes a cover sheet (14) as an accessory, and has a contact with the two-stage click function. spring (1) is held between the flat-type switch base (11) and the cover sheet (14) (claim 5).

In the switch (10) with the two-stage click function, the switch base (11) is configured as a box type, and the contact spring (1) with the two-stage click function is a box-type switch base (11 ) Is held inside (claim 6 ).

In the switch with a two-stage click function (10) according to the present invention, the following effects can be obtained. A single circular spring material (2) forms a first movable contact portion (4) that can be reversed and returned and a second movable contact portion (5) that can be reversed and returned as a dish or dome shape. Since the click operation can be obtained independently, the number of parts is reduced and the cost of the product is reduced as compared with the two-stage click contact using the existing two-plate spring.

Further, one switch base (11) has a first fixed contact (12) and a second fixed contact (13), which are on the same surface, and the deformation direction of the contact spring (1), that is, Since there is no displacement in the direction perpendicular to the surface of the switch base (11), there is no change in the stroke during the two-step click operation, and a stable two-step click operation can be ensured over a long period of time.

In the two-stage click contact using the existing two-piece spring, a means for positioning each is necessary in order to prevent positional deviation at the time of combination. On the other hand, in the present invention, the first movable contact portion (4) and the second movable contact portion (5) are formed of one circular spring material (2) due to the presence of the plurality of connecting portions (9). Therefore, there is no relative displacement, and there are two or more connecting portions (9), and the width can be increased, so that bending stress acting on each connecting portion and The load is alleviated and the life is extended (Claim 1).

According to the conventional example, in order to shorten the operation stroke of the first stage, it is bent in the horizontal direction and the entire donut-shaped part is distorted by the throttle part to obtain a click feeling. On the other hand, in the present invention, each of the first movable contact portion (4) and the second movable contact portion (5) is formed as a dish shape or a dome shape from one circular spring material (2). Since the click operation is performed independently, the configuration is simple, and the manufacture of a small, short stroke product is facilitated.

Since the plurality of arc-shaped long holes (3) separate the first movable contact portion (4) and the second movable contact portion (5) from the deformation function of the material, these two click operations Are obtained step by step independently. Also, priority is given to the two click operations (reverse operation and return operation) by setting the reverse load and return load between the first movable contact portion (4) and the second movable contact portion (5). Therefore, the priority order of the switch operation is ensured (claim 1).

When the first movable contact (6) and the connecting portion (9) are formed at the circumferential intermediate position between the two adjacent support pieces (8), the second support piece (8) is moved between the two support pieces (8). Since the movable contact portion (4) of 1 is easily deformed by a force at the time of switch operation, the click feeling is improved, and the contact of the first movable contact (6) with respect to the fixed contact (12) is also improved. 1 ).

If the first movable contact portion (4) and the second movable contact portion (5) have a single shape, they have a simple shape, so that their manufacture is facilitated. On the other hand, when the first movable contact portion (4) and the second movable contact portion (5) are formed in a plurality of different shapes, circular bent portions (4a) are formed at the boundary positions of different shapes. 5a), the rigidity of the first movable contact portion (4) and the second movable contact portion (5) can be adjusted by the bent portions (4a, 5a), and the inversion for the click operation It is possible to flexibly cope with the setting of force and return force (claims 2 and 3 ).

When the four long holes (3) and the support pieces (8) are formed at the same interval and the same phase with respect to the central angle, the overall balance is good, and when the switch is operated, an oblique force or even when the force off the center is applied, a stable click operation, the switching operation can be expected (claim 4).

In the switch with the two-stage click function (10), when the contact spring (1) with the two-stage click function is held between the flat switch base (11) and the cover sheet (14), The switch with two-stage click function (10) can be configured as a thin one, and the cover sheet (14) wraps around the internal contact spring (1), so the internal contact area is protected from water ingress and dust intrusion. Therefore, the switch can be used in a position where the use environment is bad (claim 5 ).

When the switch base (11) is configured as a box type in the switch (10) with the two-step click function described above, it can be used for a board or frame of an installation destination device, such as when used as a camera shutter button switch. On the other hand, it is easy to mount and install, and the space required for switching within the box-type switch base (11) can be secured without being affected by surrounding components (claim 6 ).

It is a top view of the contact spring of the switch with a two-stage click function of this invention. It is a top view of the flat switch base used for a thin switch with a two-step click function. It is sectional drawing in the position corresponding to the AA arrow direction of FIG. 1 which shows the state which assembled the contact spring in the flat switch base and assembled the thin switch with a two-step click function. FIG. 2 is an explanatory diagram before operation of a thin switch with a two-stage click function at a position corresponding to the direction of arrows BB in FIG. 1, (1) is a cross-sectional view before switch operation, and (2) is before switch operation. It is a circuit diagram. FIG. 2 is an explanatory diagram of a thin switch with a two-stage click function at a position corresponding to the direction of the arrow B-B in FIG. 1, (1) is a cross-sectional view during the first-stage switch operation, and (2) is the first stage. It is a circuit diagram at the time of switch operation of. FIG. 2 is an explanatory diagram of a thin switch with a two-stage click function at a position corresponding to the direction of the arrow B-B in FIG. 1, (1) is a sectional view when the second-stage switch is operated, and (2) is the second-stage switch It is a circuit diagram at the time of switch operation of. It is a top view of the box-shaped switch base used for a box-shaped switch with a two-stage click function. A state in which a contact spring is incorporated into a box-type switch base and a box-type switch with a two-stage click function is assembled is shown. It is. Fig. 2 shows a state in which a contact spring is incorporated into a box-type switch base and a box-type switch with a two-stage click function is assembled. (1) is a cross-sectional view when the first-stage switch is operated, It is a circuit diagram at the time of switch operation of eyes. The state where the contact spring is assembled in the box-type switch base and the box-type switch with two-stage click function is assembled is shown. (1) is a sectional view when the second-stage switch is operated, and (2) is the two-stage switch. It is a circuit diagram at the time of switch operation of eyes.

The present invention has the contact spring 1 with a two-step click function of FIG. 1 as a main part, and in the first embodiment, the contact spring 1 is combined with the flat switch base 11 of FIG. The functional switch 10 is configured. In the second embodiment, the box-shaped switch base with a two-stage click 10 is configured by combining the contact spring 1 with the box-shaped switch base 11 of FIG. Yes.

1 to 6 show a thin switch 10 having a two-stage click function. 1 and 3, the contact spring 1 is composed of a single circular spring material 2 in which a stainless steel plate of silver or nickel plating is punched into a circle having a diameter of 3 to 6 mm with a thickness of about 0.04 to 0.1 mm. ing. The circular spring material 2 has two or more, preferably four arc-shaped long holes 3 that are discontinuous in the circumferential direction at equal intervals with respect to the central angle. The first movable contact portion 4 that can be reversed and returned in a dish-like or dome shape is formed at the portion, and the uneven dome shape that is in the same direction as the first movable contact portion 4 at the center side of the long hole 3 is formed. A second movable contact portion 5 that can be reversed and returned is formed.

The arc-shaped elongated hole 3, the first movable contact portion 4 and the second movable contact portion 5 are usually formed by punching or bending when the circular spring material 2 is punched. It can also be formed by punching or bending after the punching of 2. At the time of bending, the first movable contact portion 4 is composed of a single dish shape or dome shape, or a plurality of dish shapes or dome shapes having different shapes. The second movable contact portion 5 is formed by a single dome shape, or a combination of a plurality of dome shapes having different shapes, or a combination of shapes having different dome shapes and conical surfaces. .

In the illustrated example, since the first movable contact portion 4 is formed by two dish-shaped surfaces having different shapes, one gentle bent portion 4a is formed at the boundary position between them. Moreover, since the 2nd movable contact part 5 is formed by combining the conical surface of a skirt part, and the dome shape of a top part, the one bending part 5a is formed in those boundary positions. These bent portions 4a and 5a appear as a circle centered on the center position of the circular spring material 2, and are represented by dotted lines in FIG.

In order to increase the rigidity of the circular spring material 2, the bent portions 4a and 5a are used when the dish-shaped first movable contact portion 4 and the dome-shaped second movable contact portion 5 are pushed from the convex side to reverse them. This is effective when adjusting the load, that is, the reverse load. Usually, by forming these bent portions 4a and 5a, the reversal load becomes larger than that without the bent portions 4a and 5a. In addition, since the long hole 3 exists, formation of the bending parts 4a and 5a by bending is easier than when there is no long hole 3.

The first movable contact portion 4 and the second movable contact portion 5 are connected by a connecting portion 9 between adjacent long holes 3. In this example, there are four connecting portions 9 corresponding to the four long holes 3, and their widths (intervals between adjacent long holes 3) can be adjusted by increasing or decreasing the length of the long holes 3. . As will be described later, the connecting portion 9 becomes a bent portion during the switching operation (clicking operation), and the four first movable contacts 6 are formed by the protruding portions protruding to the concave surface side by the bending. doing. In addition, since it is easy to generate | occur | produce repeated fatigue | exhaustion in the part by the bending of the connection part 9, the width | variety of the connection part 9 is set in consideration of the service life, the frequency | count of switching operation, etc.

Moreover, the 2nd movable contact part 5 forms the 2nd movable contact 7 in the center part by the side of a concave surface. As shown in the figure, the second movable contact 7 is formed in the form of a flat concave surface, or is formed as one or two or more protrusions convex on the concave surface side, although not shown.

In the illustrated example, the dish-shaped first movable contact portion 4 is a curved surface having a large diameter on the concave surface side, whereas the dome-shaped second movable contact portion 5 is a first movable contact. At the center position of the portion 4, it is a curved surface with a small diameter on the concave side. For this reason, the rigidity of the second movable contact portion 5 is larger than the rigidity of the first movable contact portion 4. Therefore, the reverse load of the first movable contact portion 4 is set to be smaller than the reverse load of the second movable contact portion 5, and the return load of the first movable contact portion 4 is the second movable contact. It is set smaller than the return load of the part 5. As described above, the setting of these loads can also be adjusted by forming the bent portions 4a and 5a.

The outer peripheral end of the circular spring member 2 is formed with two or more, preferably four support pieces 8 at equal intervals with respect to the central angle. These support pieces 8 are in contact with the upper surface of the switch base 11, and the first movable contact 6 and the second movable contact 7 are connected to the first fixed contact 12 and the second fixed contact 13 of the switch base 11. Support as a state not touching. The connecting portion 9 is located in the middle in the circumferential direction between two adjacent support pieces 8 in order to promote the deformation of the first movable contact portion 4 during the switching operation, and between the two support pieces 8. Is formed.

Next, in FIG. 2, the flat switch base 11 has a first fixed contact 12 and a second fixed contact 13 on its upper surface, and a cover sheet 14 is attached as an accessory part of the switch base 11. It has. The cover sheet 14 is composed of an adhesive sheet such as an insulating film sheet or a rubber sheet, and is fixed to the periphery of the switch base 11 by an adhering means such as adhesion or adhesion.

The first fixed contact 12 is divided into two on one diagonal line of a quadrangle, one end is formed in a circle at a position corresponding to the first movable contact 6, and the other end is projected from the switch base 11. The first terminal 15 is formed by the portion. Further, the second fixed contact 13 is continuous on another diagonal line of the quadrangle, forms a circle at a position corresponding to the second movable contact 7 at the center position, and both ends from the switch base 11. The second terminal 16 is formed by the protruding portion. The first terminal 15 and the second terminal 16 are also indicated as a, b, and c on the circuit in FIGS. 4 to 6 (2) and FIGS. 8 to 10 (2).

FIG. 3 shows a state in which the contact spring 1 is incorporated into a flat switch base 11 to form a thin (sheet type) switch 10 with a two-stage click function. The contact spring 1 is placed with the concave surface facing the surface of the switch base 11. At this time, the first movable contact 6 and the second movable contact 7 face each other in a non-contact state with respect to the first fixed contact 12 and the second fixed contact 13, respectively.

In this state, the cover sheet 14 is fixed to the periphery of the switch base 11 as an accessory part of the switch base 11 by an adhering means such as adhesion or adhesion. In general, the cover sheet 14 is an adhesive sheet as described above, and is adhered to the convex surface of the contact spring 1 with an adhesive surface and adhered to the switch base 11 at the periphery thereof. For this reason, there is no relative shift between the contact spring 1 and the cover sheet 14. As a result, the contact spring 1 is held in a stationary state between the switch base 11 and the cover sheet 14, and the cover sheet 14 encloses the internal contact spring 1 and protects it from water intrusion and intrusion of dust. To do.

4 to 6 show an operation state when the contact spring 1 is incorporated in a flat switch base 11 to form a thin (sheet type) switch 10 with a two-stage click function. As shown in FIG. 4 (1), the contact spring 1 is placed with the concave surface facing the surface of the switch base 11. At this time, the first movable contact 6 and the second movable contact 7 face each other in a non-contact state with respect to the first fixed contact 12 and the second fixed contact 13, respectively. Is electrically open between a, b, and c as shown in FIG.

As shown in FIG. 5 (1), when the operator applies a force to the second movable contact portion 5 from the direction of the arrow and gradually increases the force, the first movable contact portion 4 first becomes Then, it deforms into a flat state, eventually reverses the direction of the unevenness, and brings the first movable contact 6 into contact with the first fixed contact 12. During this reversal, a first click operation (first stage operation) occurs, and the operator gets a click feeling due to a sudden change in force. By this first click operation, as shown in (2) of FIG. 5, a and c are electrically connected.

If the operator continues to apply a force in the direction of the arrow as shown in FIG. 6 (1), then the second movable contact portion 5 is deformed into a flat state, and eventually the direction of the unevenness is reversed. Then, the second movable contact 7 is brought into contact with the second fixed contact 13. This inversion also causes a second click operation (second stage operation), and the operator gets a click feeling due to a sudden change in force. By this second click operation, as shown in (2) of FIG. 6, a, b, and c are electrically connected.

As described above, the contact switch 10 with the two-step click function performs a click operation (first click operation and second click operation) in two steps by reversing the direction of the unevenness of the contact spring 1. . In the course of this click operation, the reverse load of the first movable contact portion 4 is set to be smaller than the reverse load of the second movable contact portion 5, so the reverse operation is always in the above order.

According to the example shown in the figure, since the four long holes 3 and the support pieces 8 are formed at the same interval with the same phase with respect to the central angle, the overall balance is good, and when the switch is operated, Even when force or off-center force is applied, stable click and switching operations can be expected.

Here, when the operator weakens the force in the direction of the arrow with respect to the second movable contact portion 5, first, the second movable contact portion 5 returns to its original state, and then the first movable contact portion 5 is restored. The movable contact portion 4 returns to its original state even after returning. In this process, the second movable contact 7 is separated from the second fixed contact 13, and then the first movable contact 6 is separated from the first fixed contact 12. In this way, the contact spring 1 of the contact switch 10 with the two-stage click function returns to the original state of (1) in FIG.

The reversal load and return load during the two-step click operation include the concave curved surface of the first movable contact portion 4, the concave curved shape of the second movable contact portion 5, the bending angles of the bent portions 4a and 5a, etc. Can be adjusted by. Although the stroke in the direction of the arrow can be adjusted by setting the concave curved surface of the first movable contact portion 4 and the concave curved surface of the second movable contact portion 5, the overall stroke is usually the height of the support piece 8 ( This is done by changing the downward projecting dimension.

Next, FIG. 7 thru | or FIG. 10 has shown the switch 10 with a box type two-step click function based on this invention. The box-shaped switch 10 with a two-stage click function uses the contact spring 1 with a two-stage click function in FIG. 1 as a main part, and this contact spring 1 is combined inside the box-shaped switch base 11 in FIG. Configured.

As shown in FIG. 7, the switch base 11 is formed as a top-opening box by an insulator such as plastic, and the first fixed contact 12 and the second fixed contact are formed on the inner bottom as in FIG. 13, and the first terminal 15 and the second terminal 16 protrude from the side surface of the box and correspond to a, b, and c in (2) of FIGS. 8 to 10. The contact spring 1 is housed in a box-type switch base 11 and is in contact with and separated from the first fixed contact 12 and the second fixed contact 13.

As shown in FIG. 8 to FIG. 10 (1), the contact spring 1 is housed in a box-shaped switch base 11 and is not shown, but is held by a retaining ring or the like, or on the convex surface of the contact spring 1. It is held so that it does not come off by fitting a switch top such as a flexible cover or a rigid switch button.

The box-shaped switch with two-stage click 10 operates similarly to the thin switch with two-stage click function 10. In the state before the switch operation of (1) in FIG. 8, the first movable contact 6 and the second movable contact 7 are not in contact with the first fixed contact 12 and the second fixed contact 13, respectively. Therefore, these connection states are electrically open between a, b, and c as shown in (2) of FIG.

As shown in (1) of FIG. 9, when the operator applies a force to the second movable contact portion 5 from the direction of the arrow, a first click operation (first stage operation) occurs, and the first movable contact is performed. 6 contacts the first fixed contact 12. By this operation, as shown in (2) of FIG. 9, a and c are electrically connected.

If the operator continues to apply a force in the direction of the arrow as shown in (1) of FIG. 10, then the second click operation (the second stage operation) occurs, and the second movable contact 7 The second fixed contact 13 is contacted. At this time, as shown in (2) of FIG. 10, a, b, and c are electrically connected.

Here, when the operator weakens the force in the direction of the arrow with respect to the second movable contact portion 5, first, the second movable contact portion 5 is restored, and then the first movable contact portion 4 is restored. Return to the original state. In this way, the contact spring 1 returns to the original state.

The switch 10 with a two-stage click function according to the present invention is widely used as a push switch for various devices, but particularly requires a reliable two-stage click function (two-stage operation) like a shutter button of a camera or the like. Suitable for use.

DESCRIPTION OF SYMBOLS 1 Contact spring with 2 step | paragraph click function 2 Circular spring material 3 Long hole 4 1st movable contact part 4a Bending part 5 2nd movable contact part 5a Bending part 6 1st movable contact 7 2nd movable contact 8 Supporting piece DESCRIPTION OF SYMBOLS 9 Connection part 10 Switch with 2 steps | paragraphs click function 11 Switch base 12 1st fixed contact 13 2nd fixed contact 14 Cover sheet 15 1st terminal 16 2nd terminal

Claims (6)

It consists of a combination of a contact spring (1) with a two-stage click function and a switch base (11).
The contact spring (1) with the two-step click function is the same circle circumference at equal intervals with respect to the central angle of two or more arc-shaped elongated holes (3) in one circular spring material (2). The first movable contact portion (4) which is formed as a discontinuous in the direction, and the circular spring material (2) outside the elongated hole (3) is formed in a dish shape or a dome shape and can be reversed and returned. The circular spring material (2) at the center side of the elongated hole (3) is formed in a dome shape as an unevenness in the same direction as the first movable contact portion (4), and can be reversed and returned. Two movable contact portions (5) are formed, and the first movable contact portion (4) and the second movable contact portion (5) are connected by the connecting portion (9) between the adjacent elongated holes (3). The first movable contact (6) is formed by the concave portion on the concave surface side of the connecting portion (9), and the second movable contact portion (5) is second in the center on the concave surface side. The movable contact (7) is formed, and two or more support pieces (8) are formed at equal intervals with respect to the central angle at the outer peripheral end of the circular spring material (2). Further, the first movable contact portion ( The reverse load of 4) is set smaller than the reverse load of the second movable contact portion (5), and the return load of the first movable contact portion (4) is set as the return load of the second movable contact portion (5). Set smaller than
The switch base (11) has a first fixed contact (12) and a second contact at a position corresponding to the first movable contact portion (4) on the surface facing the contact spring (1) having a two-step click function. Each having a second fixed contact (13) at a position corresponding to the movable contact portion (5) .
A switch (10) with a two-stage click function, characterized in that a connecting portion (9) and a first movable contact (6) are formed at a circumferential intermediate position between two adjacent support pieces (8 ). The first movable contact portion (4) is composed of a plurality of dish-shaped or dome-shaped different shapes, and a circular bent portion (4a) centering on the central position of the circular spring material (2) at the boundary position of the different shapes The switch (10) with a two-stage click function according to claim 1 , characterized in that: The second movable contact portion (5) is configured by any one of a combination of a plurality of dome shapes having different shapes and a combination of different shapes of a dome shape and a conical surface, and a circular spring material (2 A switch (10) with a two-stage click function according to claim 1 or 2 , characterized in that a circular bent portion (5a) centering on a central position of the second click function is formed. The long hole (3) and the four support pieces (8) are formed at equal intervals with respect to the central angle at the same phase, and the four holes are formed according to claim 1, 2 or 3 , Switch with step click function (10). The switch base (11) is configured as a flat plate, the cover base (11) is attached to the switch base (11), and two-step click is made between the switch base (11) and the cover sheet (14). The switch (10) with two-stage click function according to claim 1, 2, 3, or 4 , characterized by holding a contact spring (1) with a function. The switch base (11) is configured as a box type, and the contact spring (1) with a two-step click function is held inside the box type switch base (11). The switch (10) with a two-stage click function according to claim 2, claim 3, or claim 4 .

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