JPH04253123A - Slide switch knob - Google Patents

Abstract

PURPOSE:To provide a slide switch knob,having a good apparance and free from possibility of inrasion of duct into the case, which is used for operating a slide switch enclosed in a case from outside. CONSTITUTION:A slide siwtch knob is composed of a knob main body 21 which has a semicylindrical shape and can move resciprocally in on-off direction in contact with the surface of a case side plate 5 under the condition that a rectangular hole 6 is covered with the back side, a paur of flexible claw-attached legs 22A, 23A which are planted on the back side of the knob main body 21 facing each other in such a way that the claws 25 formed at the tip parts are arranged with their backs facing each other and whose respective back sides closely touch the inner wall in the longitudinal direction of the rectuangular hole 6, and another pair of flexible claw-attached legs 22B, 23B which are planted on the back side of the knob main body 21 facing each other in such a way that the claws 25 formed at the tip parts are arranged with their backs facing each other, arranged in parallel to the claw-attached legs 22A, 23A at a distance wider than the width of a slider 3, and whose respective back sides closely touch the inner wall in the longitudinal respective of the rectangular hole 6, and the claws 25 are so composed that they project horizontally and their upper faces are engaged with the back side of the case side plate 5.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide switch knob for operating a slide switch mounted inside a case from the outside.

0002

2. Description of the Related Art FIG. 3 is an exploded perspective view of a conventional example, in which reference numeral 2 denotes a slide switch mounted on a printed board 1 installed in a case. 3 is a prismatic slider that penetrates the upper plate of the housing of the slide switch 2 and projects upward. The slide switch 2 is turned on and off by moving the slider 3 left and right.

In order to operate the slide switch 2 from the outside, a knob 10 that engages with the slider 3 is provided.
has been established. To be more specific, the knob 10 includes a slide plate 11 whose top surface slides on the back surface of the case side plate 5, a pair of clamping pieces 12 protruding from the bottom surface of the slide plate 11, and a pair of clamping pieces 12 protruding from the center of the top surface of the slide plate 11. It is composed of a prismatic protrusion 13.

On the other hand, a rectangular hole 6 whose width is slightly larger than the width of the projection 13 and whose length is sufficiently longer than the stroke of the slider 3 is provided in the case side plate 5 . Turn the knob 1 so that the head of the slider 3 fits between the pair of clamping pieces.
0 to the slide switch 2, and then attach the case side plate 5.
is attached, and the protrusion 13 is made to protrude outward from the rectangular hole 6.

Conventionally, the structure as described above is used, and the protrusion 13
, and using the rectangular hole 6 as a guide, insert the protrusion 13 into the rectangular hole 6.
slider 3 through the clamping piece 12.
By moving the slide switch, the slide switch is turned on and off.

[0006]

By the way, in the conventional slide switch knob mentioned above, since the protrusion of the knob that operates a part of the elongated rectangular hole protrudes, most of the rectangular hole is open. Therefore, there are problems in that dust enters the case through the opening of the rectangular hole, and that the rectangular hole provided in the side plate of the case stands out and spoils the aesthetic appearance.

The present invention was created in view of these points, and an object of the present invention is to provide a slide switch knob that has a good appearance and is free from the possibility of dust entering the case.

[0008]

[Means for Solving the Problems] In order to achieve the above object, the present invention, as illustrated in FIG. This is a knob for operating the slide switch 2 from outside the case by engaging the slider 3 of the slide switch 2 mounted on the printed board 1 at the side end surface.

The knob 20 has a semi-cylindrical knob main body 21 that is close to the surface of the case side plate 5 and capable of reciprocating sliding movement in the on/off direction, with the back side covering the rectangular hole 6, and a knob body 21 provided at the tip. A pair of flexible claw-attached legs 22A, 2 are planted facing the back surface of the knob body 21 so that the claws 25 face backwards, and each back surface is in close contact with the inner wall in the longitudinal direction of the rectangular hole 6.
3A, and are planted facing the back surface of the knob main body 21 so that the claws 25 provided at the tips thereof face backwards, and the legs with claws 22A,
23A refers to another pair of flexible claw legs 22B, 23 which are arranged in parallel at a distance greater than the width of the slider 3 and whose respective back surfaces are in close contact with the inner wall in the longitudinal direction of the rectangular hole 6.
It is composed of B.

[0010]The claw legs 22A, 23A, 22B,
Each claw 25 of 23B projects horizontally,
It is assumed that its upper surface engages with the back surface of the case side plate 5. Further, as illustrated in FIG. 2, a tongue piece is provided on the side end surface of one of the pair of opposing claw legs 22A, 23A, and 22B, 23B, and is in contact with the side surface in the moving direction of the slider 3 of the slide switch 2. 30 is provided.

[0011]

[Operation] According to the present invention, the side end surface of one pair of claw legs engages with one side surface in the moving direction of the slider, and the side end surface of the other pair of claw legs engages with the other side surface in the moving direction of the slider. It matches.

Furthermore, the back surface of the knob body is in close contact with the surface of the case side plate, the upper surface of the claw of each claw leg is engaged with the back surface of the case side plate, and the back surface of the claw leg is in contact with the longitudinal direction of the rectangular hole. Close to the inner wall.

[0013] Therefore, by pushing the knob body in the left and right directions with a finger, the claw foot moves horizontally in the rectangular hole, and in conjunction with this movement, the slider of the slide switch moves, turning the slide switch on and off. A switch off is performed.

At this time, the knob body always covers the rectangular hole regardless of the position to which it is moved. Therefore, dust does not enter the case. Additionally, the rectangular hole provided in the case side plate is not visible from the outside, and the knob body is semicircular and has no corners. Therefore, the structure of the slide switch knob of the present invention has a good appearance.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to FIGS. 1 and 2. Note that the same reference numerals indicate the same objects throughout the figures.

FIG. 1 is a perspective view showing an embodiment of the present invention in separated form, and FIG. 2 is a diagram showing important parts of another embodiment of the present invention. B) is a sectional view after installation.

In FIG. 1, a slide switch 2 is mounted on a printed board 1 housed in a case, and the slide switch 2 is provided with a prismatic slider 3 that protrudes upward through the upper plate of the housing. By moving the slider 3 left and right, the ride switch 2 is turned on and off.

On the other hand, the slider 3 of the slide switch 2
Correspondingly, the case side plate 5 is provided with a rectangular hole 6 that is long in the moving direction of the slider 3. Reference numeral 20 denotes a knob consisting of a hook main body 21 in the shape of a semi-cylindrical fish cake and four claw legs 22A, 23A, 22B, 23B protruding from the back side of the knob main body 21, and the shape of the knob main body 21 in plan view is a rectangular hole. 6
sufficiently larger than.

To explain the claw legs in detail, there is a pair of flexible claw legs 22A, 23A that are set opposite to the back surface of the knob main body 21 so that the claws 25 provided at the tips face backwards, and Hold the knob body 21 so that the claw 25 provided on the
The clawed legs 22A, 23A are planted opposite to the back surface of the
has a pair of claw legs 22B, 23B arranged in parallel with a distance slightly larger than the width of the slider 3.

The back surfaces of the claw legs 22A and 22B are in close contact with the inner wall of one longitudinal side of the rectangular hole 6,
The respective back surfaces of the other claw legs 23A and 23B are configured to be in close contact with the inner wall on the other longitudinal side of the rectangular hole 6.

[0021]Furthermore, the legs with claws 22A, 23A, 22B, 2
Each of the claws 25 of 3B projects outward horizontally, and is sized and shaped such that its upper surface engages with the back surface of the case side plate 5. As mentioned above, each claw leg has flexibility, so when the tip of each claw leg is aligned with the rectangular hole 6 and the knob body 21 is pressed,
The tips of the opposing claw legs 22A and 23A, and the claw legs 22B and 23B are bent in a direction toward each other, and the claws 25 are inserted into the rectangular holes 6. and nail 2
5 passes through the rectangular hole 6, each clawed leg returns to its opened position.

[0022] As a result, the upper surface of the claw 25 comes into contact with and engages with the back surface of the case side plate 5, so that the knob 20 does not fall off from the case side plate 5. On the other hand, by inserting the claw legs into the rectangular holes 6, the slider 3 is fitted between the opposing side end surfaces 24 of the claw legs 22A, 23A and 22B, 23B.

Therefore, by pushing the knob body 21 in the left and right direction with the finger, the claw leg moves horizontally in the rectangular hole 6.
In conjunction with this movement, slider 3 of slide switch 2
moves. That is, the slide switch can be turned on and off outside the case.

In FIG. 2, each claw leg 22A,
23A, 22B, and 23B have their respective claw legs made thin so that they can be easily bent. Therefore, the side end surfaces 24 of the claw legs do not engage with the side surfaces of the slider 3. Therefore, a tongue piece 30 is provided perpendicular to the side end surface 24, and the flat surface of the tongue piece 30 is made to engage with the side surface of the slider.

In detail, a pair of opposing claw legs 22A
, 23A, at the tip of the side end surface 24 of the clawed leg 22A,
A tongue piece 30 is provided perpendicular to the sliding direction, and the claw legs 22 of the other pair of opposing claw legs 22B and 23B are provided.
A tongue piece 30 that is perpendicular to the sliding direction is provided at the tip of the side end surface 24 of B.

[0026]

[Effects of the Invention] As explained above, the present invention provides a slide switch knob in which a slide switch mounted inside a case is operated from outside the case, and the slide switch knob has a semicircular shape that slides back and forth on the surface of the case. Since the knob body always covers the rectangular hole drilled in the side plate of the case, it has the excellent effect of preventing dust from entering the case despite the simple structure.

[0027] Furthermore, since the knob body has no corners and covers the rectangular hole, it has a good appearance.

[Brief explanation of the drawing]

FIG. 1: A perspective view showing an embodiment of the invention in separated form.

FIG. 2 is a diagram showing important points of another embodiment of the present invention;
A) is a perspective view of the knob (B) is a sectional view after installation

[Figure 3] Perspective view showing the conventional example in separated form

[Explanation of symbols]

1 printed board,
2 slide switch, 3 slider,
5 Case side plate, 6 Rectangular hole,
10, 20 knob, 11 slide plate,
12 clamping piece, 13 protrusion,
21 Knob body,

Claims (2)

[Claims] [Claim 1] A rectangular hole (
6) Insert the claw foot into the slide switch (2) and engage the side end surface of the claw foot with the slider (3) of the slide switch (2) mounted on the printed board (1).
) is a knob that is operated from outside the case, and is attached to the case side plate (6) with its back side covering the rectangular hole (6).
5) A semi-cylindrical knob body (21) that is close to the surface and capable of reciprocating sliding movement in the on/off direction, and a back surface of the knob body (21) so that the claw (25) provided at the tip faces backward. are planted facing each other, and each back has the rectangular hole (6).
A pair of flexible claw-equipped legs (22A, 23A) that are in close contact with the inner wall in the longitudinal direction of the knob, and a claw (25) provided at the tip thereof face the back surface of the knob body (21). The claw legs (22A, 23A) are arranged in parallel at a distance greater than the width of the slider (3), and each back surface is in close contact with the longitudinal inner wall of the rectangular hole (6). Another pair of flexible claw legs (22B, 23B)
The slide switch knob is characterized in that each of the claws (25) projects horizontally and its upper surface engages with the back surface of the case side plate (5). Claim 2: A slider (3) of a slide switch (2) is attached to one side end surface of a pair of opposing claw legs.
2. The slide switch knob according to claim 1, further comprising a tongue piece (30) that comes into contact with a side surface in the direction of movement of the slide switch knob.