JPH04115734U - 2-tier seesaw switch with click - Google Patents

Abstract

(57) [Summary] [Structure] Click plates 21, 22, 23, and 24 are attached to the switch contacts of the flexible substrate 1, and the key top 3 is swingably placed thereon. Four protrusions 31, 32, 33, and 34 are provided on the lower surface of the key top 3. The click plates 21 and 22 are made of elastic rubber in the shape of an upside down bowl, and the click plates 23 and 24 are made of metal plates that curve upward. When the key top 3 is pressed in the direction of arrow C, the inner protrusion 31 first presses the click plate 21 and turns on the switch contact of the flexible substrate 1 while producing a click sensation. ,
The outer protrusion 33 of the key top 3 presses the click board 23, causing a click sensation while the flexible board 1
Turn on the switch contact. [Effect] A clicking sensation occurs when either the first or second switch is turned on.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a two-stage seesaw switch, and especially when either switch is turned on, This is a two-stage seesaw switch with a click that produces a strange clicking sensation. Ru.

0002

[Prior art]

Conventionally, some seesaw switches have an end part of the key top that can swing like a seesaw. When you press , the first stage switch turns on, and when you press it with even stronger force, it turns on the second stage. There is a two-stage seesaw switch that turns on the eyes. This type of two-stage seesaw switch is used, for example, as a zoom switch on a video camera. It is used as.

0003

[Problem that the idea aims to solve]

However, this type of conventional two-stage seesaw switch has a complicated structure. There were problems in that it was complicated and the manufacturing cost was high.

0004 In addition, in the conventional two-stage seesaw switch mentioned above, turning on the first stage switch A click sensation is generated when turning on the switch and when turning on the second switch. There is no sliding structure, and there is no such thing as a two-stage seesaw switch with a click. The appearance of Chi was requested.

[0005] This invention was made in view of the above points, and it is possible to turn on any switch. A two-stage seesaw switch with a click that produces a clicking sensation when The purpose is to provide the following.

[0006]

[Means to solve the problem]

In order to solve the above-mentioned problems, the present invention is designed to pivotally support approximately the central part of the plate body so as to be able to swing. Two inner protrusions 31, 32 and two outer protrusions 33, 34 are provided on the lower surface of both sides of the a key top 3 and inner protrusions 31 and 32 disposed below the key top 3; and switch contacts 11, 12, 13 at positions facing the outer protrusions 33, 34, respectively. , 14 (flexible board 1), and each switch on the board. Click plates 21, 22, 23, 24 placed on the contacts 11, 12, 13, 14 and is first turned on when both sides of the key top 3 are pressed respectively. The click plates 21 and 22 provided on the switch contacts 11 and 12 on the other side should be placed with the bowl facing down. It is made of elastic rubber and is installed on the switch contacts 13 and 14 that are to be turned on next. The click plates 23 and 24 that can be clicked are made of metal plates that curve upward.

[0007]

[Effect]

When the end of the key top 3 is pressed, the inner protrusion 31 provided on the bottom surface of the key top 3 (or 32) presses the click board 21 (or 22) to produce a click sensation. While pressing the switch contact 11 (or 12) on the flexible board 1, turn it on. Turn on. If you press the key top 3 further, the outer protrusion 33 of the key top 3 (or 34) presses the click plate 23 (or 24) and produces a click sensation while Press the switch contact 13 (or 14) on the flexible board 1 to turn it on. . At this time, the click plate 21 (or 22) is pressed by the inner protrusion 31 (or 32). The click board 21 (or 22) is made of elastic rubber. Therefore, the switch is simply crushed while the switch contact 11 (or 12) remains on. In other words, you will feel a click when you turn on either the first or second stage switch. Cheating.

[0008]

【Example】

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings. FIG. 1 is a diagram showing a two-stage seesaw switch 1 with a click according to the present invention, Figure (a) is a schematic side sectional view, and figure (b) is a perspective view. As shown in the figure, this The two-stage seesaw switch 1 with a click is mounted on a flexible base 8 made of synthetic resin. A flexible board 1 is placed on the flexible board 1, and four click boards are placed on the flexible board 1. 21, 22, 23, and 24 are placed, and a key that can be swung in the direction of arrow A is placed on top of the keys. It is composed of the top three. Then press the right end of key top 3, for example. If so, the inner protrusion 31 provided on the lower surface of the key top 3 presses the click plate 21, and the Furthermore, when the key top 3 is pressed, the outer protrusion 33 presses the click plate 23. It is. Each component will be explained below.

[0009] FIG. 2 is an exploded perspective view of this two-stage seesaw switch 1 with a click. As shown in the figure, the base 8 is composed of a synthetic resin plate, and the center part of both sides is Support plates 81 and 82 are provided upright, and the following key tops 3 are mounted on the support plates 81 and 82. Holes 83 and 84 are provided to rotatably support the support shafts 35 and 36.

0010 The key top 3 is constructed in the shape of a substantially rectangular box with the bottom open, and the center Support rods 35 and 36 protrude from the portion in the width direction. Also, the key top 3, cylindrical inner protrusions 31 and 32 are provided at the center portions of both sides of the lower surface, respectively, facing downward. It stands out. Furthermore, both corners of the bottom surface of the key top 3 have a cylindrical outer surface. Projections 33 and 34 project downward.

[0011] Here, in FIG. 3, click boards 21, 22, 23, 24 are mounted on the flexible board 1. FIG. In FIG. 3, the flexible substrate 1 is made of two flexible synthetic resin films. A circuit pattern (not shown) is formed on each of the circuit patterns (1b and 1c shown in FIG. 5), and the corresponding Place the layer with the circuit pattern on the inside through the spacer layer (1a shown in Figure 5). It is made up of a combination of And the contact pattern provided at the predetermined position of the circuit pattern. The four switches (1d, 1e, 1f, 1g shown in Fig. 5) are made to face each other. Contact points 11, 12, 13, and 14 are formed. In addition, on the side thereof, the base 8 Notches 15 and 16 are provided for penetrating the support plates 81 and 82.

0012 The click plates 21 and 22 are integrally attached to both ends of a rectangular elastic rubber plate 25. The shape is that of an upside-down bowl. Here, Figure 4 is shown in Figure 3. FIG. 3 is a cross-sectional view taken along line B-B of the rubber plate 25. FIG. As shown in the figure, these click boards 2 1 and 22 are provided with cylindrical pressing parts 211 and 221 on their upper surfaces, respectively. Cylindrical projections 212, 222 are provided at the center of the lower surface of the pressing portions 211, 221. It is configured as follows. In this embodiment, the inner diameter of the pressing parts 211 and 221 is is configured to be slightly larger than the outer diameter of the protrusions 212 and 222. Also click board The side walls 213 and 223 of 21 and 22 are thin and bendable. Also this A cover 26 shown in FIG. 3 is placed over the rubber plate 25. The cover 26 has a click Two circular holes 261 and 262 are provided that pass through the plates 21 and 22.

[0013] Next, the click plates 23 and 24 are composed of elastic metal plates, and as shown in FIG. It is shaped like an upside-down dish.

[0014] Next, we will explain how to assemble this two-stage seesaw switch with click 1. .

[0015] First, as shown in FIG. Place the click boards 23 and 24 on each, and fix them with adhesive tapes 27 and 28. Ru.

[0016] Next, click plates 21 and 22 are placed on the switch contacts 11 and 12 of the flexible board 1. Place the rubber plate 25 so that the 26 is fixed onto the flexible substrate 1 by a predetermined fixing means (not shown).

[0017] Next, as shown in Figure 2, the frame with click plates 21, 22, 23, 24 attached is The flexible substrate 1 is placed on the base 8.

[0018] Then, the key top 3 is placed on the cover 26, and its support shafts 35, 36 are attached to the base 8. If inserted into the holes 83 and 84, the two-stage seesaw switch 1 with click shown in Fig. 1 will be activated. Complete. At this time, as shown in FIG. 1(a), the inner protrusion 3 provided on the key top 3 1 and 32 are close to the upper surfaces of the pressing parts 211 and 221 of the click boards 21 and 22, respectively. The outer protrusions 33 and 34 are located at the top of the click plates 23 and 24, respectively. They face each other at regular intervals.

[0019] Next, the operation of this two-stage seesaw switch with click 1 will be explained. here In Figures 5, 6, and 7, press the right end of the key top 3 shown in Figure 1(a) in the direction of arrow C. FIG. 5 is a side cross-sectional view of the main part showing the state before pressing. Figures 6 and 6 show the main parts of the state in which the first stage switch is turned on by pressing the key top 3. Side sectional view, Figure 7 is the main part side showing the state where the second stage switch is also turned on by further pressing. FIG.

[0020] First, when the key top 3 is pressed in the direction of arrow C from the state shown in FIG. The inner protrusion 31 of the click plate 3 presses the pressing part 211 of the click plate 21, and as shown in FIG. The side wall 213 of the click board 21 is deformed to move the pressing part 211 downward. At this time, a clicking sensation occurs, and the protrusion 212 of the click plate 21 Press the switch contact 11 of the flexible board 1, and press the switch contact 11 of the flexible board 1 and The contacts between the contact patterns 1d and 1e provided on the lumens 1b and 1c are turned on (i.e., the first stage switch is turned on). Also, at this time, the outer protrusion 33 of the key top 3 is a click plate. It is close to the top surface of 23.

[0021] Next, if you press the key top 3 more strongly in the direction of arrow C, the outside of the key top 3 The protrusion 33 presses the click plate 23, and the click plate 23 is reversed as shown in FIG. do. At this time, a clicking sensation occurs, and the lower surface of the click plate 23 between the contact patterns 1f and g provided on the films 1b and 1c. is turned on (that is, the second stage switch is turned on). At this time, the click board 21 is Although it is further pressed by the side protrusion 31, the click plate 21 is made of elastic rubber. As shown in Figure 7, press the switch contact 11 on and press it further. The state will be as follows. Particularly in this embodiment, the pressing portion 211 of the click board 21 has a cylindrical shape, and the projection 212 provided on the lower surface of the pressing part 211 is located at the center of the cylinder. (Especially in this embodiment, the inner diameter of the pressing portion 211 is 212), when the click plate 21 is crushed The pressing part 211 is easy to bend outward, and the upper end of the protrusion 212 is connected to the pressing part 2. It becomes easy to sink into the inside of 11. In other words, the pressing force to crush this click board 21 is The pressure when turning on the second stage switch can be any suitable value. The force can be appropriate.

[0022] Then, if you release the pressure on the key top 3 in the C direction, the state shown in Fig. 7 will be reversed. The state returns to the state shown in FIGS. 6 and 5. At this time as well, you will feel a click at each stage. arise.

[0023] The case where the opposite end of the key top 3 shown in Figure 1 is pressed is similar to the above case. be.

[0024] In the above embodiment, the flexible substrate 1 was used as the substrate, but this The idea is not limited to this, but it is also possible to use a structure in which switch contacts are provided on a hard board. good.

[0025] In addition, the above embodiment shows an example in which the click plate is placed above the switch contact. However, the click plate itself may be used as one of the switch contacts.

[0026] In addition, in the above embodiment, the click board 21 This two-stage sea sauce with a click was not placed outside on the straight line connecting ,22. This is to reduce the longitudinal dimension of the switch 1.

[0027] Further, in the above embodiment, the support shafts 35 and 36 of the key top 3 are provided with A two-stage switch according to the present invention is provided, but this two-stage switch is connected to the key top 3. It may be provided only on one side of the support shafts 35, 36.

[0028]

[Effect of the idea]

As explained in detail above, the two-stage seesaw switch with click according to the present invention According to H., it has the following excellent effects.

[0029] When pressing the first stage switch and when pressing the second stage switch A clicking sensation also occurs in this case.

[0030] The structure is simple, the number of parts is small, and assembly is easy, reducing costs. Ru.

[Brief explanation of drawings]

FIG. 1 is a diagram showing a two-stage seesaw switch with a click 1 according to the present invention, with FIG. 1(a) being a schematic side sectional view and FIG. 1(b) being a perspective view.

FIG. 2 is an exploded perspective view of the two-stage seesaw switch 1 with a click.

[Figure 3] Click boards 21 and 2 on the flexible board 1
FIG. 2 is an exploded perspective view showing a state in which parts 2, 23, and 24 are attached.

4 is a sectional view taken along line BB of the rubber plate 25 shown in FIG. 3. FIG.

FIG. 5 is a diagram for explaining the operation of the two-stage seesaw switch with click 1. FIG.

FIG. 6 is a diagram for explaining the operation of the two-stage seesaw switch with click 1. FIG.

FIG. 7 is a diagram for explaining the operation of the two-stage seesaw switch with click 1. FIG.

[Explanation of symbols]

1 Flexible board (board) 11, 12, 13, 14 Switch contacts 21, 22, 23, 24 click board 3 Key top 31, 32 Inner protrusion (protrusion) 33, 34 Outer protrusion (protrusion)

Claims (1)

[Scope of utility model registration request] Claims: 1. A key top having a substantially central portion of a plate body pivotably supported and two protrusions provided on the bottom surface of at least one side of the shaft; and a key top disposed below the key top; A board is provided with switch contacts at positions facing each projection of the top, and a click board is placed on each switch contact of the board, and when one side of the key top is pressed. The click plate installed on the switch contact that turns on first is made of elastic rubber shaped like an upside down bowl, and the click plate installed on the switch contact that turns on next is a metal plate that curves upward. A two-stage seesaw switch with a click feature.