JPH08306264A - Switch cover - Google Patents

Abstract

PURPOSE: To provide a switch cover with which a switch can be operated reliably and good touch can be provided at the time of pushing down. CONSTITUTION: A switch cover is composed of a housing 5 and a push part 14 whose one end is supported on a supporting part of the housing 5 in a freely rotating way and whose the other end is engaged with an engaging part of the housing 5 in a way that the end can be detached freely. The other end of the push part 14 is detached from the engaging part by pressing down the push part 14 and the push part 14 is rotated on the supporting part as a pivot to push down a switch 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch cover capable of preventing a switch from being pushed down due to a malfunction, and more specifically, a switch cover for surely operating the switch and providing a good feeling even when the switch is pushed down. It relates to the switch cover.

[0002]

2. Description of the Related Art In order to prevent a switch from being pushed down due to a malfunction, a conventional switch cover has a switch arranged in a recess of a casing, and a switch cover is attached to the upper surface of the switch to push down the push part horizontally. Is turned on and off. That is, in such a switch cover, for example, when the push portion is strongly pressed, the push portion is disengaged from the supporting portion of the housing supporting the push portion and the push portion is lowered to the position of the stopper, whereby the switch is pushed. Turns on.

[0003]

However, according to the above switch cover, when the push portion is pushed down, a position deviated from the center of the push portion is pushed, or the strength of the support portion of the push portion varies. Only one side of the push part may come off and the push part may not press the switch, resulting in malfunction. Also, even if both sides of the push part come off the support part, they do not come off at the same time, and there is a time difference such that one side of the push part comes off and the other side comes off, and the feeling when pushing down is not good. There is.

The present invention has been made in order to solve the above problems, and eliminates the malfunction of the switch caused by the malfunction of the switch cover and the unpleasant sensation that occurs when the switch cover is pushed down, and operates the switch reliably. The purpose of the present invention is to obtain a switch cover that gives a good feel when pushed down.

[0005]

The switch cover according to the present invention is constructed as follows. (1) It comprises a housing and a push portion, one end of which is rotatably supported by a supporting portion of the housing and the other end of which is rotatably locked to a locking portion of the housing. Then, the push portion is pushed down to disengage the other end of the push portion from the locking portion, and the push portion is rotated with the support portion as a fulcrum to press the switch.

(2) In the switch cover according to the above (1), the housing has a brim portion which is opened at the central portion and surrounds an upper portion of an upright surface of the housing concave portion, and a brim which is provided so as to face downward from the collar portion. First and second legs for engaging and fixing the parts in the housing recesses, locking claws having elasticity and projecting inside the upper part of the first leg, and rigidly projecting inside the lower part The plate locking portion has a substantially U-shaped cross section having a stopper provided therein, and a plate supporting portion provided inside the second leg portion and having a supporting hole in the upper portion. Also, the push part has a second end at one end.
A push plate rotatably supported by the plate support portion of the leg portion and the other end of which is lockably locked by the locking claw portion of the first leg portion, and a switch pressing portion provided on the lower surface of the push plate. Consists of. Then, the push portion is pushed down to disengage the other end of the push portion from the locking claw portion, the plate supporting portion is rotated about a fulcrum, stopped by the stopper, and the switch is pushed by the switch pushing portion.

The switch pressing portion may be formed in a trapezoidal cross section having a slope in the first leg direction. In this case, it is preferable that the inclined surface is formed so as to be in a substantially horizontal state and push the switch when the other end of the push portion moves and is stopped by the stopper.

[0008]

[Action]

(1) When the push-pull portion is pushed down from above, the other end of the push portion disengages from the locking portion and rotates about the support portion as a fulcrum, and the switch push-down portion of the push portion pushes the switch.

(2) When the push portion is pushed down from above, the other end of the push plate is disengaged from the locking claw portion and pivots downward with the plate supporting portion as a fulcrum. Thus
The actuator of the switch is pushed downward by the switch pushing portion. On the other hand, when the push portion rotates by a certain amount, the other end of the push plate comes into contact with the stopper to stop the rotation. At this time, when the switch pressing portion has a trapezoidal cross section having a slope in the direction of the first leg and the slope has a predetermined angle, the slope of the switch pressing portion becomes horizontal as the push portion rotates. become. In this way, the inclined surface of the switch pressing portion contacts the upper surface of the actuator of the switch, and the switch is pushed downward.

[0010]

【Example】

Embodiment 1 FIG. 1 is a vertical sectional view of a first embodiment of the present invention. Reference numeral 1 is a housing, 2 is a housing recess provided in the housing 1 and having an upright surface and a bottom surface, and 3 is a switch provided on the bottom surface of the housing recess 2,
It is composed of a base 3a and an actuator 3b biased upward, and the actuator 3b is moved downward by the pressing force from above and enters the base 3a.
When stopped in this state and pushed downward again from this state, it is restored to its original position by the urging force and becomes the OFF state.

A switch cover 4 is provided to prevent the switch 3 from being pushed down due to a malfunction, and is composed of a housing and a push portion. 5 is a housing,
A collar portion 6 that covers the upper periphery of the standing surface of the housing recess portion 2, and first and second flanges that vertically extend downward from the collar portion 6 to face each other.
Legs 7 and 8. Reference numeral 9 denotes an opening provided in the flange portion 6, and a wall around the opening 9 is formed in a tapered shape narrowing downward, and a push portion (described later) is pushed down from the opening 9. First and second legs 7, 8
Locking portions 7a and 8b are provided on the lower portions of the housings, respectively, and both of the locking portions 7a and 8b engage with locking holes 10a and 10b provided on the lower portions of the opposing standing surfaces of the housing recess 2. ing.

Reference numeral 11 denotes a plate locking portion provided inside the first leg portion 7 and having a substantially inverted U-shaped cross section, and an elastic locking claw portion 11a projecting inwardly at an upper portion thereof. A stopper 11b having rigidity is provided at the lower part of the stopper 11b so as to protrude inward from the locking claw 11a. Reference numeral 12 is a plate support portion provided inside the second leg portion 8 and has a plate support hole 13 in the upper portion thereof.

Reference numeral 14 denotes a push portion, which is a push plate 15 having first and second protruding portions 15a and 15b on the left and right and having a substantially convex cross section, and a slope 16a provided on the lower surface of the push plate 15 is the first portion.
And a switch pressing portion 16 having a substantially trapezoidal cross section, which is located on the side of the protruding portion 15a. Then, the first protrusion 15a
The first stepped portion 15c formed on the upper part of the ridge is cut out in a substantially right-angled shape, and the second stepped portion 15d formed on the upper part of the second projecting portion 15b is cut out in an obtuse angled shape so that the inclined part is formed downward. It is designed to incline gently. The second projecting portion 15b is fitted into the plate supporting hole 13 and is rotatably supported by the plate supporting portion 12, and the first projecting portion 15a is in the OFF state and the locking claw portion 11a.
Is locked so that it can be locked freely in the horizontal state, and rotation is stopped by the stopper 11b in the ON state.

The slope 16a of the switch push-down portion 16 provided on the lower surface of the push plate 15 forms a predetermined angle with respect to the plane of the push plate 15, and in particular, this angle is obtained by pushing down the push plate 15 from above. First
It is preferable that the inclined surface 16a of the switch pressing portion 16 is formed to be substantially horizontal when the protruding portion 15a reaches the position of the stopper 11b.

The operation of this embodiment configured as described above will be described. When the switch is in the OFF state, as shown in FIG. 1, the first and second projecting portions 15a and 15b located at both ends of the push plate 15 serve as the locking claw portions 11a of the first leg portion 7. It is supported by the plate support 12 and is in a horizontal state. When the push portion 14 is pushed down from above in this state, since the locking claw portion 11a of the first leg portion 7 has elasticity, it is compressed by the downward force generated by the first protruding portion 15a, Push plate 15
Rotates about the plate support 12 as a fulcrum, and the first protrusion 15a descends.

At this time, as the push portion 14 rotates, the slope 16a of the switch pressing portion 16 becomes horizontal. In this way, the sloped surface 16a of the switch pressing portion 16 comes into contact with the upper surface of the actuator 3b of the switch 3, and the actuator 3b is pushed downward by the switch pressing portion 16 and stops in the ON state as shown in FIG. . Then, when the push portion 14 rotates by a certain amount, the first protruding portion 15a of the push plate 15 moves to the first
The rotation is stopped by the stopper 11b of the leg portion 7 of the.

According to the present embodiment, when the push portion is pushed down, a position deviated from the center of the push portion is not pushed as in the conventional case to cause a malfunction, and there is a time difference in pushing down the push portion. Since the feeling at the time of pushing down does not deteriorate, the operation of the switch 3 becomes reliable, and the feeling at the time of pushing down the push portion 14 becomes good.
In particular, when the switch pressing portion 16 is formed into a trapezoidal cross section having a slope 16a, and the push portion 14 is rotated so that the slope 16a of the switch pressing portion 16 is substantially horizontal and the switch 3 is pressed. Makes the operation of the switch 3 more reliable, and makes the feel of the push portion 14 when the push portion 14 is pushed down more favorable.

[0018]

As is apparent from the above description, according to the present invention, the following effects can be obtained. (1) It is composed of a housing and a push portion, one end of which is rotatably supported by a support portion of the housing and the other end of which is lockably locked by a locking portion of the housing. The other end is disengaged from the locking part, and the push part is rotated by using the support part as a fulcrum to press the switch, so it is possible to prevent the switch from being pushed down due to a malfunction, and to eliminate the malfunction of the switch. , The uncomfortable feeling when the switch cover is pressed down can be eliminated.

(2) A collar portion which is opened at the center and surrounds the upper part of the standing surface of the housing recess, and a flange which is vertically hung downwardly from the flange and is engaged with and fixed to the housing recess. , A second leg portion, a locking claw portion which is elastic and protrudes from the inner upper portion of the first leg portion, and a stopper which is rigid and protrudes from the inner lower portion, and has a substantially inverted U-shaped cross section. Plate locking part, second
A housing formed of a plate support portion provided inside the leg portion of the first leg portion and having a support hole in the upper portion, one end rotatably supported by the plate support portion of the second leg portion, and the other end of the first leg portion of the first leg portion. The push claw includes a push plate lockably locked to the locking claw part and a switch pressing part provided on the lower surface of the push plate. The push part is pushed down and the other end of the push part is locked by the locking claw part. Since it is configured to rotate the plate support part as a fulcrum, stop it with a stopper and press the switch with the switch pressing part, it is possible to prevent the switch from being pushed down due to a malfunction, and also to prevent malfunction of the switch. The uncomfortable feeling when pressing down the switch cover can be removed. Then, the operation of the switch is ensured, and the feeling when the push portion is pushed down becomes good.

(3) The switch push-down portion provided on the lower surface of the push plate is formed into a trapezoidal cross section having an inclined surface in the direction of the first leg, and the other end of the push portion is moved by this inclined surface by a stopper. When the switch is stopped, the switch is formed so as to be substantially horizontal and pushes the switch, so that the operation of the switch becomes more reliable and the feeling when the push part is pushed down becomes better.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a first embodiment of the present invention.

FIG. 2 is a diagram for explaining the operation of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 case 2 case recess 3 switch 5 housing 6 flange part 7 first leg part 8 second leg part 11 plate locking part 11a locking claw part 11b stopper 12 plate supporting part 13 plate supporting hole 14 push part 15 Push plate 16 Switch push-down part 16a Slope

Claims (4)

[Claims] 1. A housing, and a push portion rotatably supported at one end by a support portion of the housing and the other end rotatably locked to a locking portion of the housing. A switch cover characterized in that the other end of the push part is pushed down to be released from the locking part, and the push part is rotated by using the supporting part as a fulcrum to press the switch. 2. A collar portion having a central portion opened and surrounding an upper portion of an upright surface of a housing recess, and a flange that extends downward from the flange and faces the housing recess so as to engage with and fix to the housing recess. First,
A second leg portion, a locking claw portion which is elastic and protrudes inside the upper portion of the first leg portion, and a stopper which is rigid and protrudes inside the lower portion, has a substantially inverted U-shaped cross section. A plate locking portion, a housing including a plate supporting portion provided inside the second leg portion and having a supporting hole in an upper portion, and one end rotatably supported by the plate supporting portion of the second leg portion, The other end is composed of a push plate that is lockably locked to the locking claw portion of the first leg portion and a push portion including a switch push-down portion provided on the lower surface of the push plate. It is characterized in that the other end of the push part is pushed down to be released from the locking claw part, the plate support part is rotated about the fulcrum, stopped by the stopper, and the switch is pressed by the switch pressing part. Claim 1 Switch cover. 3. The switch cover according to claim 2, wherein the switch pressing portion provided on the lower surface of the push plate is formed in a trapezoidal cross section having a slope in the direction of the first leg. 4. The slope is formed so that when the other end of the push part moves and is stopped by a stopper, the slope provided on the switch pressing part is in a substantially horizontal state and the switch is pressed. The switch cover according to item 3.