JPH0544988Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a push plate tilting type switch that turns on and off multiple electric circuits by tilting the push plate in multiple directions.
The present invention relates to the push plate return mechanism described above, and particularly relates to a push plate return mechanism with a simple structure.

[Prior Art] This type of push plate tilting type switch generally has a casing having an opening, a fixed contact disposed within the casing, an operating portion, and a shaft portion, and has a A push plate arranged in the opening so that it can be tilted in multiple directions,
A movable contact linked to the shaft portion of the push plate via a slider, and a movable contact provided in the casing to guide the slide direction of the slider by tilting the operating portion of the push plate to fix the movable contact in a predetermined position. a guide to be brought into contact with the contact;
A return mechanism is provided between the casing and the push plate to obtain an operating load and a return force for the push plate.

Then, the operation part of the push plate mentioned above,
Tilt in the direction that turns on the desired electrical circuit. Then, the slider slides while being guided by the guide through the shaft portion of the push plate, and the movable contact comes into contact with a predetermined fixed contact, turning on the desired electric circuit. When the above-mentioned tilting operation of the push plate toward the operating section is stopped, the push plate returns to the neutral position by the return mechanism, and the slider slides through the shaft of the push plate, causing the movable contact to come into contact. It moves away from the predetermined fixed contact and returns to the neutral position, turning off the above-mentioned desired electrical circuit. In this way, a plurality of electrical circuits can be turned on and off by tilting the push plate in multiple directions.

This push plate tilting type switch is generally widely used, for example, as a switch for tilting the mirror of a remote control mirror device (electrically retractable door mirror device) vertically and horizontally.

[Problems to be solved by the invention] In such a push plate tilting operation type switch, the return mechanism provides an appropriate operating load and a reliable return force for the push plate, and the structure of the return mechanism is Simple is important.

An object of the present invention is to provide a push plate return mechanism that can provide a suitable operating load and a reliable return force for the push plate, and that has a simple structure.

[Means for Solving the Problems] In order to solve the above problems, the present invention consists of a spring member, a fixed part is fixed to the shaft part of the push plate, and a flexible part is attached to the fixed part of the push plate. It is characterized in that it is provided in a direction corresponding to the tilting operation direction of the operation part of the shoe plate, and its flexible part is brought into contact with the casing.

[Function] In the present invention, when the operating section of the push plate is tilted, the flexible section provided in the direction corresponding to the direction of the tilting operation of the operating section of the push plate causes the flexible section on the side corresponding to the direction of the tilting operation to move. The flexible portion is bent, and as a result, an appropriate operating load and reliable return force of the push plate can be obtained. Furthermore, the push plate return mechanism of the present invention is simple in structure because it is composed of a fixed part made of a spring member and a flexible part.

[Embodiment] Hereinafter, an embodiment of the push plate return mechanism according to the present invention will be described with reference to the accompanying drawings.

This example shows a switch that tilts the mirrors of a remote control mirror device (electrically retractable door mirror device) installed on the left and right sides of a car vertically and horizontally by tilting the push plate. The mechanism will be explained.

In the figure, reference numeral 1 denotes a casing made of insulating synthetic resin or the like, and the casing 1 has a hollow, substantially rectangular parallelepiped shape with an open bottom. At the center of the upper surface of the casing 1, a substantially hemispherical abutment receiving part 10 having a uniform wall thickness and centered at a point O is provided. A substantially square opening 11 with each side parallel to each side of the casing 1 is provided in the center of the abutment receiving part 10. A plurality of, for example, four, engagement holes 12 are provided on the edge of the bottom opening of this casing 1, and this casing 1
A plurality of mounting pieces 13, for example, three mounting pieces 13, are integrally provided on the outside of the housing.

Reference numeral 2 denotes a base made of insulating synthetic resin, etc., and this base 2 has an almost rectangular parallelepiped shape with an open top and a low height.A connector part 21 is integrally provided on the bottom of the base 2, and a terminal is attached to the connector part 21. 22
A plurality of engaging claws 23, for example, four engaging claws 23, are integrally provided on the outside in correspondence with the engaging holes 12.

Reference numeral 20 denotes a board having a substantially rectangular plate shape, on the surface of which fixed contacts, electric circuits (not shown), etc. are arranged by appropriate means. Terminal 2
2 electrically connected.

The above-described engagement claw 23 of the base 2 is engaged with the engagement hole 12 of the casing 1, and the base 2 and the substrate 2 are
Assemble 0 to casing 1. As a result, a fixed contact is disposed within the casing 1 via the base 2 and the board 20.

Reference numeral 3 denotes a push plate made of insulating synthetic resin, etc., and this push plate 3 includes an operating section 30 having a substantially square plate shape, and a shaft integrally projecting downward from the center of the bottom surface of the operating section 30. 31. This shaft portion 31 has a square cross-section with each side parallel to each side of the operating portion 30, and the tip portion has a hemispherical shape. At the base of the shaft portion 31 and the operating portion 30, four contact plates 32 each having a quarter disk shape and an outer diameter approximately equal to the inner diameter of the abutment receiving portion 10 are attached to the operating portion 30. and are integrally provided in a cross shape that crosses the midpoint of each side of the shaft portion 31. A locking pawl 33 is integrally provided at approximately the center of the front and back surfaces of the shaft portion 31 . A triangular mark or a display of U, D, L, R, etc. is displayed on the surface of the operation unit 30,
It is applied in accordance with the direction in which the cross-shaped protrusion of the abutting plate 32 is provided.

Reference numeral 4 denotes a holder made of insulating synthetic resin, etc., and this holder 4 includes a square flat plate part 41 and a square plate provided in the center of the flat plate part 41 so that each side is parallel to each side of the flat plate part 41. an insertion hole 40, and an abutment plate 42 that is integrally provided vertically vertically and horizontally with respect to the flat plate part 41 from both left and right sides of the flat plate part 41;
A locking plate 44 is integrally provided vertically vertically to the flat plate part 41 from both front and rear ends of the flat plate part 41 and horizontally parallel to the contact plate 42;
4 and a locking hole 43 provided at the center of the hole 43. The height of the contact plate 42 is slightly higher than that of the locking plate 44, and the upper end surface has an arc shape with a diameter approximately equal to the outer diameter of the contact receiving portion 10.

The shaft portion 31 of the push plate 3 is inserted into the opening 11 of the casing 1, and the contact plate 32 of the push plate 3 is inserted into the contact receiving portion 1 of the casing 1.
0. On the other hand, the shaft portion 31 of the push plate 3 is inserted into the insertion hole 40 of the holder 4, and the locking claw 33 of the push plate 3 is locked into the locking hole 43 of the holder 4. 3 and holder 4, and
The contact plate 42 of the holder 4 is brought into contact with the lower surface of the contact receiving portion 10 of the casing 1. In this way, by holding the abutting portion 10 of the casing 1 from above and below between the abutting plate 32 of the push plate 3 and the abutting plate 42 of the holder 4, the push plate 3 is inserted into the opening 11 of the casing 1. , so that it can be tilted in multiple directions around point O.

5 is a slider made of insulating synthetic resin, etc.
The slider 5 includes a substantially square flat plate 51, a bearing recess 50 formed in the center of the upper surface of the flat plate 51 and having a quadrangular pyramid shape with a hemispherical bottom, and a bearing recess 50 integrally provided on the lower surface of the flat plate 51. four cylindrical storage parts 52, four cylindrical protrusions 53 integrally protruding from the four corners of the upper surface of the flat plate part 51, and the centers of opposite sides of the flat plate part 51. and a T-shaped groove 54 provided in each. Note that the two left and right storage portions 52 are in communication with each other. Further, the four protrusions 53 are square four whose sides are parallel to each side of the slider 5.
Each is located at the top. The lower end of the shaft portion 31 of the push plate 3 is inserted into and engaged with the bearing recess 50 of the slider 5, thereby linking the push plate 3 and the slider 5.

55 is a movable contact made of a steel ball, and 56 is a conductive contact, and this contact 56 has a length that allows it to come into contact with the two movable contacts 55 that are arranged with a slight gap between them. The four movable contacts 55 and the two contacts 56 are housed in the four housing sections 52 of the slider 5, respectively, with four springs 57 interposed therebetween. As a result, the movable contact 55 is linked to the push plate 3 via the slider 5.

6 is the contact receiving part 1 on the inner surface of the casing 1
This guide 6 is formed of a square-shaped hanging wall with each side parallel to each side of the casing 1. Also, this guide 6
has four corners of the slider 5 inside its four corners.
A book projection 53 is located therein, and the size and shape are such that the holder 4 and a return spring 7, which will be described later, can be accommodated therein. Then, the slider 5 is moved in the cross direction, for example, U, D, as shown in FIG.
The protrusions 53 pass through the lower ends on both sides of the four corners of the guide 6 so that they can slide in the L and R directions (vertical directions of each side of the operating section 30 of the square push plate 3). A guide groove 60 is provided, and a guide protrusion 61 that engages with the T-shaped groove 54 is integrally provided at the lower end of the center of both opposing walls of the guide 6. The four protrusions 53 of the slider 5 are positioned inside the four corners of the guide 6, and the T-shaped groove 54 of the slider 5 is engaged with the guide protrusion 61 of the guide 6. As a result, the sliding direction of the slider 5 due to the tilting operation of the push plate 3 and the moving direction of the movable contact 55 through the slider 5 are restricted and guided in the cross direction, and the movable contact 55 comes into contact with a predetermined fixed contact. be done.

Reference numeral 7 denotes a return spring as a return mechanism, and this return spring 7 is made of a spring member such as a thin steel plate. The return spring 7 includes a square plate-shaped fixing part 70, a square insertion hole 71 provided at the center of the fixing part 70, each side of which is parallel to each side of the fixing part 70, and a square insertion hole 71 into which the fixing part 70 is inserted. Four locking claws 72 are bent diagonally downward at the center of the four edges of the hole 71, and four locking claws 72 are bent diagonally downward at the center of the four sides of the fixing portion 70, and each of the square fixing portions 70 is bent diagonally downward. Four flexible parts 73 extending in a cross direction across the midpoint of each side of
Equipped with. This return spring 7 is housed in the guide 6, and the shaft portion 31 of the push plate 3 is inserted into the insertion hole 71 of the return spring 7.
1 to lock the locking pawl 72 of the return spring 7, and fix the fixed part 70 of the return spring 7 to the shaft part 31 of the push plate 3, and the flexible part 73 of the return spring 7 in the criss-cross direction. coincide with the operating direction of the push plate 3, that is, the sliding direction of the slider 5 in the cross direction and the moving direction of the movable contact 55 in the cross direction, and the flexible portions 73 are brought into contact with the guides 6, respectively.

The push plate return mechanism of the push plate tilting type switch of the present invention in this embodiment has the above-mentioned configuration, and its operation will be explained below.

For example, when tilting the mirror of the remote control mirror device to the right, first press the R
By pressing down, the operating section 30 of the push plate 3 is tilted around point O. Then, the slider 5 slides in the direction of the arrow in FIG. 4 (the direction of the arrow R in FIG. 9) while being guided by the guide 6, and the movable contact 55 comes into contact with a predetermined fixed contact. As a result, the electric circuit that tilts the mirror to the right turns on, and the motor for tilting the mirror left and right rotates in the forward (or reverse) direction.
The mirror tilts to the right.

At this time, among the flexible parts 73 of the return spring 7, the flexible part 73 on the side corresponding to the R side tilting operation direction of the operating part 30 of the push plate 3 (the left flexible part in FIG. 4) is bent between the shaft portion 31 of the push plate 3 tilted in the direction of the arrow and the guide 6, so that the R of the operating portion 30 of the push plate 3 is bent.
Appropriate lateral operating load and reliable return force can be obtained.

When the tilt adjustment of the mirror is completed, the user releases the finger or the like from the operating section 30 of the push plate 3. Then, due to the above-mentioned returning force of the bent flexible portion 73, the operation portion 30 of the push plate 3 in the tilted state is
returns to the horizontal state and the push plate 3 returns to the neutral state, and the slider 5 slides in the direction opposite to the arrow and returns to the neutral position. moves away from the fixed contact, the electrical circuit that tilts the on-state mirror to the right turns off, the motor for tilting the mirror left and right stops rotating, and the mirror stops tilting to the right.

In this way, the operating section 30 of the push plate 3
When the slider 5 is tilted in the direction U, D, or L, the slider 5 slides in the direction indicated by the arrows U, D, or L in FIG. An electrical circuit that makes contact and tilts the mirror upward; an electrical circuit that tilts the mirror downward;
Either of the electrical circuits that cause the mirror to tilt to the left is turned on, allowing the mirror to tilt up or down or to the left. At this time, as described above, the flexible portion 73 of the return spring 7 in the U, D, or L direction is bent,
Appropriate operating load and reliable return force of the push plate 3 can be obtained.

Further, the return spring 7 as the above-mentioned return mechanism is
Since it consists of the fixed part 70 and the flexible part 73, the structure is simple.

In addition, 8 in the figure is an automatic return type knob push-operated switch, and this switch 8 can be used, for example, to set the mirror housing of a remote control mirror device (electrically retractable door mirror device) installed on the left and right sides of a car to the operating position. This is a switch for rotating the switch from the storage position to the storage position or vice versa from the storage position to the use position. It consists of an actuator 81 movably disposed, and a contact 32 linked to the actuator 81 and disposed on the substrate 20 inside the casing 1. When the knob 80 is pressed, the energizing circuit of the mirror housing rotating motor, which is activated by the operation of the switch 8, is turned on and self-maintains the turned-on state. For this reason, once the knob 80 is pressed, the motor continues to drive even if the finger or the like is removed from the knob 80. Then, when the mirror housing rotates to the storage position or use position, it is turned off and the motor automatically stops.

In addition, 9 in the figure is a knob slide operation type switch, and this switch 9 is, for example, a mirror of the left remote control mirror device in a remote control mirror device (electrically retractable door mirror device) installed on the left and right sides of a car. This is a switch for switching between the tilting operation of the mirror of the remote control mirror device on the right side and the tilting operation of the mirror of the right remote control mirror device. The casing 1 includes an actuator 91 slidably disposed within the casing 1, and a contact 92 linked to the actuator 91 and disposed on the substrate 20 within the casing 1. When the knob 90 of the switch 9 is slid in one direction, the electric circuit for tilting the mirror of the left remote control mirror device becomes energized. Furthermore, when the knob 90 is slid in the other direction, the electric circuit for tilting the mirror of the right remote control mirror device becomes energized. In this energized state, the mirror can be tilted vertically and horizontally by tilting the push plate of the push plate tilting operation type switch described above. Then, when the knob 90 is slid to the neutral position, the electric circuits for tilting the mirrors of the left and right remote control mirror devices become in a non-energized state.

In the above embodiment, an example was explained in which the switch was used to tilt the mirrors of a remote control mirror device (electrically retractable door mirror device) installed on the left and right sides of a car vertically and horizontally. The push plate return mechanism can also be used for other push plate tilting type switches.

[Effects of the invention] As is clear from the above, the push plate return mechanism of the present invention includes a spring member, a fixed part is fixed to the shaft part of the push plate, and a flexible part is attached to the fixed part. It is provided in a direction corresponding to the tilting operation direction of the operating part of the push plate, and its flexible part is brought into contact with the casing, so that when the operating part of the push plate is tilted, the direction of the tilting operation is The flexible portion on the corresponding side is bent, and as a result, an appropriate operating load and reliable return force of the push plate can be obtained. Furthermore, the push plate return mechanism of the present invention is simple in structure because it is composed of a fixed part made of a spring member and a flexible part.

[Brief explanation of the drawing]

Figures 1 to 11 show an embodiment of the push plate return mechanism according to the present invention, with Figure 1 being an exploded perspective view, Figure 2 being a vertical sectional view, and Figure 3 being in a neutral state. 4 is a partial sectional view showing the state of tilting operation in the R direction, FIG. 5 is a plan view of the slider, FIG. 6 is a bottom view of the casing, and FIG. 7 is a - 8 is a sectional view taken along the - line in FIG. 6, FIG. 9 is an explanatory diagram showing the slide direction of the slider when viewed from the - line arrow in FIG. 7, and FIG. 10 is a plane view of the return spring. figure,
FIG. 11 is a sectional view taken along the - line in FIG. 10. 1...Casing, 10...Abutment receiving part, 11...
...Opening, 2...Base, 20...Substrate, 3...
Push plate, 30... Operating unit, 31... Shaft, 4... Holder, 5... Slider, 55... Movable contact, 6... Guide, 7... Return spring, 70...
...Fixed part, 73...Flexible part.

Claims (1)

[Scope of utility model registration request] A casing having an opening, a fixed contact disposed within the casing, a push plate having an operating portion and a shaft portion and disposed in the opening of the casing so as to be tiltable in multiple directions, and the push plate. A movable contact linked to the shaft portion of the plate via a slider, and a movable contact provided in the casing to guide the slide direction of the slider by tilting the operating portion of the push plate so as to bring the movable contact into contact with a predetermined fixed contact. A push plate tilting operation type switch comprising: a guide for moving the push plate; and a return mechanism provided between the casing and the push plate to obtain an operating load and a return force for the push plate, the return mechanism comprising: a fixing part made of a spring member and fixed to the shaft part of the push plate; and a fixing part provided in the fixing part in a direction corresponding to the tilting operation direction of the operating part of the push plate;
and a flexible portion brought into contact with the casing. A push plate return mechanism in a push plate tilting operation type switch.