JP2576697B2 - Slide switch knob - Google Patents

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 externally operating a slide switch mounted in a case.

[0002]

2. Description of the Related Art FIG. 3 is a perspective view showing a conventional example in a separated form, and 2 is a slide switch mounted on a printed board 1 mounted in a case. Reference numeral 3 denotes a prismatic slider that protrudes upward through an upper plate of the housing of the slide switch 2. 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 outside, a knob 10 that engages with the slider 3 is provided. More specifically, the knob 10 has an upper surface sliding on the back surface of the case side plate 5, a pair of holding pieces 12 protruding from the lower surface of the slide plate 11, and a central portion of the upper surface of the slide plate 11. The projection 13 has a prismatic shape.

On the other hand, the case side plate 5 is provided with 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. The knob 10 is mounted on the slide switch 2 so that the head of the slider 3 fits between the pair of holding pieces, and then the case side plate 5 is attached so that the projection 13 projects outward from the rectangular hole 6.

Conventionally, with the above-described structure, the protrusion 13 is gripped and the rectangular hole 6 is used as a guide, the protrusion 13 is moved in the longitudinal direction of the rectangular hole 6, and the slider 3 is moved via the holding piece 12. Thus, the on / off switching of the slide switch is performed.

[0006]

In the above-described conventional slide switch knob, most of the rectangular hole is in an open state because a protrusion of the knob for operating a part of the elongated rectangular hole is projected. Therefore, there is a problem that dust enters into the case from the opening of the rectangular hole and a problem that the rectangular hole provided in the case side plate is conspicuous and impairs aesthetic appearance.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a slide switch knob which has a good appearance and does not allow dust to enter the case.

[0008]

According to the present invention, as shown in FIG. 1, a claw leg is inserted into a rectangular hole 6 provided in a case side plate 5, and the claw leg is provided. A knob for operating the slide switch 2 from outside the case by engaging the side end surface with the slider 3 of the slide switch 2 mounted on the printed board 1.

The knob 20 is attached to the case so as to be reciprocally slidable in the on / off direction of the slide switch 2 in close contact with the surface of the case side plate 5 with the front surface side having a semicylindrical shape and the back surface covering the rectangular hole 6. Knob body 21 and the claw provided at the tip
A pair of flexible claw legs 22A, 23A, which are planted opposite to the back surface of the knob body 21 so that 25 faces back, and each back surface is in close contact with the inner wall of the opposed hole edge of the rectangular hole 6; At the tip
On the back of the knob main body 21, the above-mentioned one
It is planted in parallel with the pair of claw legs 22A, 23A, and the other back surface is in close contact with the inner wall of the opposing edge of the rectangular hole 6 with another pair of flexible claw legs 22B, 23A. It is configured.

The legs 22A, 23A, 22B and 23B with claws are
That the upper surface of the respective claw 25 is engaged with the rear surface of the case side plates 5
And Further, as illustrated in FIG. 2, a pair of claws Tsukeashi 22A facing, 23A, and 22B, the one side end face either 23B, the side of the moving direction of the slider 3 of the slide switch 2
It is assumed that a tongue piece 30 that engages so as to sandwich the end face is provided.

[0011]

According to the present invention, the side end surfaces of one pair of claw legs engage with one side surface of the slider in the movement direction, and the side end surfaces of the other pair of claw legs engage with the other side surface in the movement direction of the slider. I agree.

Also, the back surface of the knob main 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 the longitudinal direction of the rectangular hole. Close to the inner wall.

Therefore, when the knob body is pushed right and left by a finger, the claw leg reciprocates horizontally in the rectangular hole, and in conjunction with this movement, the slider of the slide switch moves to turn on / off the slide switch. Switching off is performed.

At this time, the knob main body always covers the rectangular hole regardless of the moved position. Therefore, dust does not enter the case. Further, the rectangular hole provided in the case side plate is not visible from the outside, and the knob main body has a semi-cylindrical shape and has no corners. Therefore, the structure of the slide switch knob of the present invention has a good appearance.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to FIGS. The same reference numerals indicate the same objects throughout the drawings.

FIG. 1 is a perspective view showing an embodiment of the present invention in a separated form, FIG. 2 is a view showing a main part of another embodiment of the present invention, (A) is a perspective view of a knob, and FIG. (B) is a sectional view after mounting.

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 protruding upward through an upper plate of a housing. The ride switch 2 is turned on and off by moving the slider 3 left and right.

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

The claw legs will be described in detail. A pair of flexible claw legs 22A, 23A planted opposite to the back surface of the knob body 21 so that the claw 25 provided at the tip faces rearward, A pair of claws are set in opposition to the back surface of the knob main body 21 so that the claws 25 provided on the rear face thereof face each other, and are arranged in parallel with the claw-equipped legs 22A, 23A at a distance slightly larger than the width of the slider 3. Leg 22B,
23B.

The back surface of each of the claw legs 22A, 22B is in close contact with the inner wall on one longitudinal side of the rectangular hole 6, and the back surface of each of the other claw legs 23A, 23B is formed of the other of the rectangular hole 6. Is formed so as to be in close contact with the inner wall on the longitudinal side.

Each of the claws 25 of the claws 22A, 23A, 22B, and 23B protrudes horizontally outward, and the upper surface thereof is dimensioned so as to engage with the rear surface of the case side plate 5. As described above, since each claw leg has flexibility, when the tip of each claw leg is aligned with the rectangular hole 6 and the knob body 21 is pressed, a pair of opposing pairs is formed. The tips of the claw legs 22A and the claw legs 23A and the claw legs 22B and the claw legs 23B bend in the approaching direction, and the claw 25 is inserted into the rectangular hole 6. Then, when the claws 25 pass through the rectangular holes 6, the legs with the claws return to open.

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 the case side plate 5. On the other hand, by inserting the claw legs into the rectangular hole 6, the claw legs 22A, 23A and the claw legs 22B, 23
The slider 3 is inserted between the side end faces 24 facing the slider B.

Therefore, when the knob main body 21 is pushed right and left by a finger, the leg with the claw reciprocates horizontally in the rectangular hole 6, and the slider 3 of the slide switch 2 moves in conjunction with this movement. That is, the on / off switching of the slide switch can be performed by operating the switch outside the case.

In FIG. 2, each of the pawl legs 22A, 23A,
The thickness of the pawl legs is reduced so that 22B and 23B can be easily bent . Then, a pair of opposed claws 22A, 23A
On the side end surface 24 on the slider 3 side of the leg 22A with one claw,
A tongue piece 30 orthogonal to the sliding movement direction is provided. Also,
Of the other pair of claw legs 22B and 23B arranged in parallel with the claw leg 22A.
Side end surface 24 of one of the leg 22B with the claw on the slider 3 side
, A tongue piece 30 orthogonal to the sliding movement direction is provided.

Therefore, each of the parallel pawl legs
The flat surfaces of the pair of opposing tongue pieces 30 provided on the side end surface are
Hold the side end surface of the slider 3 securely. So the slider
The reliability of engagement with -3 is improved.

[0026]

As described above, the present invention relates to a slide switch knob in which a slide switch mounted in a case is operated outside the case. Since the knob main body always covers the rectangular hole formed in the case side plate, there is an excellent effect that dust does not enter the case despite its simple structure.

Also, since the knob main body has no corners and covers the rectangular hole, the appearance is good.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention in a separated form.

FIG. 2 is a view showing a key point of another embodiment of the present invention;
(A) is a perspective view of the knob (B) is a cross-sectional view after mounting

FIG. 3 is a perspective view showing a conventional example in a 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 holding piece, 13 protrusion, 21 knob body, 22A, 22B, 23A, 23B leg with nail, 24 side end face, 25 claws, 30 tongue pieces,

Continuation of the front page (72) Inventor Naoyuki Okumura 1015 Uedanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture Inside Fujitsu Limited (56) References Japanese Utility Model 63-199773 (JP, U) Japanese Utility Model 63-82906 (JP, U.S.A.) U) Japanese Utility Model Showa 61-81318 (JP, U) Japanese Utility Model Showa 62-59928 (JP, U)

Claims (2)

(57) [Claims] 1. A printed circuit board, which is provided on a side plate of a case.
Insert the Tsumezukeashi to only rectangular hole (6) to opposite the nail Tsukeashi
Slide switch mounted on the printed board at the side end
The slider (3) of (2) is engaged so as to sandwich it,
By operating from the outside and reciprocating linearly, the slide
Turn the switch (2) on / off.
With the front side in a semicylindrical shape and the back side covering the rectangular hole (6).
The slide switch is in close contact with the surface of the case side plate (5).
(2) The case is reciprocally slidable in the ON / OFF direction.
The mounted knob body (21) and the tab (25) provided at the tip are planted facing the back surface of the knob body (21) so that the claw (25) faces the back, and each back surface has the rectangular hole (6).
Opposing flexible pair of claws Tsukeashi (22A, 23A) into close contact with the inner wall of the hole edge and the back surface of the knob body (21) such that the pawl provided at the tip is turned away, the pair of claws of It is planted side by side on the legs (22A, 23A), and the back surface of each is closely attached to the inner wall of the opposing edge of the rectangular hole (6).
Contacting flexible other pair of claws Tsukeashi (22B, 23A) and color formation
In each of the claws, the upper surface of the claws has the case side plate (5).
A slide switch knob which is engaged with the back surface of the slide switch. To 2. A one side end face either the opposing Tsumezukeashi, the slide switch (2) of the slider (3) tongues engage so as to sandwich the side end surface of the moving direction of the (30) The slide switch knob according to claim 1 , wherein the slide switch knob is provided.