JPS636824Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a lever switch, and an object of the present invention is to provide a lever switch in which a storage body for storing a ball and a spring for positioning a rotary lever daytent can be easily attached to a switch case.

FIGS. 1 and 2 each show a combination switch to which an embodiment of the lever switch of the present invention is applied.
Overall perspective view and exploded perspective view of the embodiment, Figure 3A,
B is a side view and a front view of the combination switch, respectively, and FIG. 4 is a longitudinal sectional view of the combination switch. In the figure, combination switch 1 is lever switch 2.
Another switch body 3 is attached to the switch body 3. The lever switch 2 has a case 4 made of a metal plate, and the case 4 has an upper plate portion 5 and side plate portions 6. In addition to the predetermined opening, the upper plate portion 5 has a positioning hole 5a and a screw hole 5.
It has b. Both side plate parts 6 have a mutually symmetrical shape, and have pin holes 6a, 6b at predetermined positions, and an inward protrusion 6.
c, 6d, an engagement recess 6e, a mounting leg 6f protruding from the lower end, a locking piece 6g, and an engagement recess 6h.
6i, and is integrally formed with a mounting plate portion 7 including a forward protruding portion 6j and a cut-and-raised portion at the front end, which is bent and has a screw hole 7a. In addition, the mounting plate part 7
may be formed only from bent portions or may be formed from only cut and raised portions. Further, in this embodiment, the mounting plate part 7 is formed only on the side plate part 6, but the mounting plate part 7 is not limited to this, and if there is an upper plate part 5 or a lower plate part, it may be formed in the lower plate part. .

8 is a resin storage body, which is approximately rectangular parallelepiped and has a storage hole 8.
It has vertical and horizontal grooves 8b, 8c at the front end of a, and a recess 9 having a horizontal lower surface 9a and a vertical rear surface 9b that are mutually inverted L-shaped is formed at the rear of the lower end of both sides, and at the rear end of the horizontal lower surface 9a. is further provided with an inclined surface 9c. A coil spring 10 and a ball 11 are housed in the hole 8a of the housing body 8. This storage body 8
When installing the storage body 8 from the front of the case 4,
Insert it with the top surface in close contact with the top plate part 5,
Relatively inwardly protruding portion 6c is formed into inclined surface 9c within recess 9.
It is inserted by the guidance of and brought into common contact with the horizontal lower surface 9a and the vertical rear surface 9b. As a result, the storage body 8 moves upwardly and downwardly due to its own slight elasticity.
and the inward protrusion 6b, and is positioned and attached in the front-rear direction by the abutment of the vertical rear surface 9b. In addition, when removing it, it is only necessary to press it from the rear, and the installation and removal work can be performed extremely easily with one touch. Further, the shape of the recess 9 is not limited to this, and the two planes 9a and 9b may have circular inner peripheral surfaces, for example, or may take various other shapes.

Reference numeral 12 denotes a lever, which has holes 12a, 12b, a detent recess 12c, and an engaging convex portion 12d. The hole 12 is opened by the pin 15 passing through the pin hole 6b.
In this case, the ball 11 is pressed into engagement with the center detent recess 12c by the spring 10. As a result, the storage body 8 is pressed relatively rearward and the above-mentioned longitudinal positioning is ensured. Note that a lever 12 is provided in the groove 8b of the storage body 8.
The rear end of the pin 15 is inserted into the groove 8c, and the pin 15 is inserted into the groove 8c.

21 is an insulating substrate having protrusions 21a on both sides;
Four sets of terminal plates 22 each having a plurality of fixed contact portions 22a and terminals 22b are inserted through the bottom surface of the case 6, as shown in FIGS. 2 and 3A.
After the protrusions 21a are respectively engaged with the engagement recesses 6i, the locking pieces 6g are bent inward to be attached and locked. At this time, an opening 27 is formed at the front end of the lower surface of the case 4 as shown in FIG.

Reference numeral 23 denotes a roughly rectangular parallelepiped resin slider, which has an engagement hole 23b in the front protrusion 23a and a lower groove 23.
Four bifurcated sliding joints 24 are housed in c, and as shown in FIGS. 2 and 4, the actuating plate 25 is inserted into the central upper groove 23d by engaging the convex portions 23e and concave portions 25a of each other. and fixed with adhesive. Incidentally, the actuating plate 25 protrudes to the rear of the slider 23 as shown in FIG. The slider 23 is placed in advance on the upper surface of the board 21 so that the sliding contacts 24 press and clamp the terminal plates 22, respectively. Both sides of the top surface of 23 are restricted from contact by inward protrusions 6d to eliminate vertical play and can freely slide in the directions of arrows A and B in the figure.
The front protrusion 23a is located within the opening 27 to avoid interference with the substrate 21, and the engagement protrusion 12d of the lever 12 is engaged with the engagement hole 23b.

Reference numeral 26 denotes a resin cover body, which is integrated with a bottom plate portion 26a and side plate portions 26b. Convex portion 26f
has. The cover body 26 has an opening 27 in the case 4.
After being inserted from below and the both side plate parts 26b are once elastically displaced inward, each engagement convex part 26f engages with the engagement recess 6e of the case 4 (at this time, the both side plate parts 2
6b is elastically displaced and returned), each convex portion 26c engages with an engagement recess 6h of the case 4, and each step portion 26d abuts the front end of the board 21 to be fixed and locked. As a result, the opening 27 is closed and hermetically sealed by the bottom plate 26a, thereby preventing flux and other dust that rises during soldering of the terminal board 22, which will be described later, from entering the case 4, thereby preventing contact failure, etc. Good contact function can be obtained.

The other switch body 3 has a mounting plate 31 bent into a roughly U-shape, and the top plate 32 of the mounting plate 31 is provided with a positioning protrusion 32a and a hole 32b, and the bottom plate 33 has a predetermined width. A protrusion 33a and a pair of screw holes 33b are provided.

Reference numeral 34 designates a skeleton switch, in which a pair of terminal plates 36a, 36b are inserted through the case 35 (case 35 of each terminal plate 36a, 36b).
The inner tips are facing away from each other as contact points),
A spring plate 38 having a resin pressing piece 37 at its tip is implanted, and one terminal plate 36a and the pressing piece 37 are connected by an inverted spring plate 39. The double skeleton switch 34 is arranged to overlap the top surface of the bottom plate portion 33 of the mounting plate 31, and is fixedly attached by a pair of bolts 40 inserted into the hole 35a and the screw hole 33b of the case 35.

The switch body 3 thus completed is attached to the case 4 by bringing the upper plate part 32 into close contact with the upper plate part 5 of the case 4, fitting the positioning protrusion 32a and the recess 5a, and fitting the protrusion 33a of the bottom plate part 33 into the case 4. It is fitted and positioned between the side plate portions 6 of the case 4 and fixed by bolts 41 inserted through the holes 32b and screw holes 5b. At this time, as shown in FIG. 4, each pressing piece 37 of the double skeleton switch 34 is located on the extension line of the slider 23 in the sliding direction, and
are commonly spaced apart and facing each other. According to this interlocking arrangement method of both 23 and 34, the construction and assembly work are extremely simple, and by simply using the actuating plate 25, standard products can be used for both the lever switch 2 and the skeleton switch 34. Thus combination switch 1
is completed.

In the above embodiment, the actuating plate 25 is not necessarily required, and a portion corresponding to the actuating plate 25 may be integrally formed on the slider 23 in advance, or the slider 2 may be formed on the pressing piece 37 of the skeleton switch.
The contact portion extending up to three points may be integrally formed.

Further, although the skeleton switch 34 is used in the above embodiment, the present invention is not limited to this, and a normal micro switch may also be used.

Next, the configuration for attaching the combination switch 1 to the panel 42 will be explained. As shown in FIG. 2, the panel 42 has a pair of locking holes 42b and a pair of holes 42c on both sides of the groove 42a. Therefore, while inserting the tip of the lever 12 of the lever switch 1 into the groove 42a, each front protrusion 6j of the case 4 is inserted and locked into the locking hole 42b for positioning, and each mounting plate 7 is inserted into the panel 4.
2 and the back surface thereof, and the bolt 43 is inserted through the hole 42c and the screw hole 7a and tightened to be attached and fixed. At this time, the rear end of the bolt 43 is loosely fitted into the semicircular recess 26e of the cover body 26, so that problems such as interference with the cover body 26 do not occur. Also, there is a knob 4 at the tip of the lever 12.
4 are fitted and fixed. According to the above mounting structure, the panel 42 does not require any uneven parts for positioning, and it is sufficient to simply provide holes in the flat panel, and since the panel 42 side is particularly easy to process, the range of mounting applications for the switch 1 is wide, and The upper mounting process itself is easy, requiring only insertion, locking, and bolt tightening.

Next, as shown in FIGS. 3A and 3B, a printed circuit board 45 is attached to the terminal portion 22b of the lever switch 3. At this time, the mounting leg part 6f and the terminal part 22b of the case 4 are inserted through the printed circuit board 45, and are dipped in solder to be electrically fixed in a predetermined pattern. Also, each terminal plate 3 of the double skeleton switch 34
6a and 36b are also provided with predetermined wiring.

Next, the operation of the combination switch 1 will be explained. In FIG. 4, the lever 12 is rotated in the direction of arrow C by operating the knob 44, and the lower end of the detent recess 1 is
2c is engaged with the ball 11. Then, the slider 23 is slid by a predetermined distance in the direction of arrow A in the figure by engagement with the lever 12, and another predetermined contact switching is performed between the sliding contact 24 and the terminal plate 22. At this time, the actuating plate 25 comes into contact with each pressing piece 37 of the double skeleton switch 34 and similarly presses and displaces it in the direction of arrow A with the elastic displacement of its spring plate 38. When each pressing piece 37 is displaced by a certain amount or more, the reversing spring plate 39 is reversed, and the terminal plate 36a is elastically and rapidly rotated toward the other terminal plate 36b, so that both contacts are closed in a snap-like manner. In this way, the circuit of the printed circuit board 45 is switched, and the circuit of the double skeleton switch 34 is switched and closed.

Subsequently, when the lever 12 is rotated in the direction of arrow D in FIG. 4 and returned to the position shown in the figure, the slider 23 slides back in the direction of arrow B and returns to the original contact switching state again. At the same time, the actuating plate 25 also slides back away from the pressing piece 37, so that the pressing piece 37 also returns to its displacement, the reversing spring plate 39 is turned over again, and the terminal plates 36a, 36b are opened like a snap. In this way, the circuit on the printed circuit board 45 is switched back on and the circuit on the skeleton switch 34 is also switched on and back on.

Subsequently, in FIG. 4, the lever 12 is further rotated in the direction of arrow D to engage the ball 11 in the upper end detent recess 12c. Then, the slider 23 is further slid by a predetermined distance from the illustrated position in the direction of arrow B in the figure, and another contact switching is performed. In this case, the actuating plate 25 is only moved further away from the pressing piece 37, so that the circuit of the printed circuit board 45 is further switched, and the circuit of the skeleton switch 34 remains open.

As described above, according to the lever switch of the present invention, the storage body can be moved vertically between the upper part of the inward protrusion and the top plate of the case by simply pushing the storage body while the inclined surface is guided by the inward protrusion. The position is regulated by the contact between the front part of the inwardly protruding part and the vertical part in the front-rear direction, so that it can be easily installed and fixed, and
This installation and fixation is done by the elasticity of the storage body, so the storage body will not fall out of the case during assembly work, for example, while installing the lever, making installation and removal operations extremely easy. This device has the advantage of being extremely simple in construction since it only requires a recessed portion in the storage body.

[Brief explanation of drawings]

FIGS. 1 and 2 each show a combination switch to which an embodiment of the lever switch of the present invention is applied.
Overall perspective view and exploded perspective view of the embodiment, Figure 3A,
B is a side view and a front view of the combination switch, FIG. 4 is a longitudinal sectional view of the combination switch, and FIG. 5 is a bottom view of the combination switch during assembly. 1... Combination switch, 2... Lever switch, 3... Switch body, 4, 35... Case, 6
c, 6d, 6j, 23a...Protrusion, 7...Mounting leg, 8...Storage body, 9...Recess, 9a...Horizontal lower surface, 9b...Vertical rear surface, 10...Spring, 11...
... Ball, 12 ... Lever, 14, 15 ... Pin, 21 ... Board, 22, 36a, 36b ... Terminal board, 23 ... Slider, 24 ... Sliding contact, 25
... Actuation plate, 26 ... Cover body, 31 ... Mounting plate, 34 ... Skeleton switch, 37 ... Pressing piece, 42 ... Panel, 42b ... Locking hole, 44 ...
...knob, 45...printed circuit board.

Claims (1)

[Scope of utility model registration request] The case has an inward protrusion at a predetermined position on the case side plate, a locking recess that is approximately rectangular in shape and has an inclined surface, a horizontal portion, and a vertical portion on the side portion, and a snap positioning portion for the operating lever inside. A storage body made of resin that stores coil springs and balls for use in the case, and is fitted into the upper plate of the case from the front of the case, and is fixed to the case by engaging the inward protrusion in the recess. When the storage body is inserted, the inclined surface is guided by the inward protrusion, and when the storage body is installed and fixed, the inward protrusion comes into contact with the vertical part, so that the storage body can be positioned. and the horizontal portion presses the inwardly protruding portion due to the elasticity of the storage body itself.