JPH0447865Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a multiple switch that turns on multiple circuits at the same time.

Conventionally, when turning on multiple single-pole, single-throw switches at the same time, a shaft is brought into contact with the switching drive body of each switch, and each drive body is operated simultaneously by moving the shaft. Ta. For this reason, when the number of switches increases, the switch device becomes larger, and there are also disadvantages such as the timing of each switch being easily misaligned.

An object of the present invention is to eliminate the above-mentioned drawbacks and to provide a compact multiple switch with little timing deviation between each switch. In order to achieve this purpose, the present invention provides a multiple switch in which two or more switches are turned on and off simultaneously by the reciprocating movement of one shaft, in which each switch is connected to a fixed contact provided on a board. , a movable contact mounted in a cantilever shape on a board, a driving body having a flange portion protruding from one end of a hollow cylindrical part, and a spring biasing the driving body in a direction away from the board. The driving bodies are stacked so that their respective cylindrical portions and flange portions are aligned with each other, and the shafts are inserted into the respective cylindrical portions of these driving bodies, and a flange formed on the shaft is inserted. This feature is characterized in that the flange portion of one drive body is engaged with the flange portion of the drive body.

Embodiments of the present invention will be described below based on the drawings.

FIG. 1 shows the switch in the OFF state, and the electrically insulating case 1 has a first board 2.
and the second substrate 3 are fixed in parallel with an appropriate distance between them. A first fixed contact 4 is provided on the upper part of the first board 2, and a first movable contact 5 is fixed on the lower part by caulking with a terminal plate 6,
Similarly, a second fixed contact 7 is provided on the upper part of the second substrate 3, and a second movable contact 8 is provided on the lower part.
are fixed by caulking with a terminal plate 9. The first movable contact 5 and the second movable contact 8 are both made of flexible thin metal plates, and as shown in FIG. 2, each has a ring-shaped portion with circular holes 5a and 8a. This ring-shaped part is bent into a dogleg shape. Furthermore, projections 5b and 8b are formed on the ring-shaped portions, respectively, and these projections 5b and 8b face the first fixed contact 4 and the second fixed contact 7. The first switch S1 is turned on and off by the projection _5b of the first movable contact 5 coming into contact with and separating from the first fixed contact 4, and similarly the second movable contact 7 is brought into contact with the second fixed contact 7. The second switch _S2 is turned on and off by moving the protrusion 8b of the contact 8 toward and away from the contact.

A first driving body 10 is provided inside the insulating case 1.
and a second driving body 11 are disposed so as to be movable in the horizontal direction, and these first driving body 10 and second driving body 11 are arranged in the shaft hole 1 in the axial direction, as shown in FIG.
0a and 11a, and includes cylindrical portions 10b and 11b and flange portions 10c and 11c, respectively. The cylindrical portion 10b of the first driving body 10 is
It passes through the hole 5a of the movable contact 5, and connects the partition wall 1a at the center of the insulating case 1 and the flange portion 1 of the first driver 10.
The first drive plate 10 is pressed against the partition wall 1b on the right side of the insulating case 1 by a spring 12 provided between the first drive plate 10 and the insulating case 1. Further, the cylindrical portion 11b of the second driver 11 passes through the hole 8a of the second movable contact 8, and the side plate 13 attached to the left end of the insulating case 1 and the flange portion 11c of the second driver 11 pass through the hole 8a of the second movable contact 8. The second driving body 11 is pressed against the central partition wall 1a by the spring 14 provided between the flange portion 11 of the second driving body 11.
c is in contact with the tip of the cylindrical portion 10b of the first driving body 10. Reference numeral 15 denotes a horizontally movable shaft, which passes through the shaft hole 10a of the first drive body 10 and connects to the shaft hole 1 of the second drive body 11.
1a, and as a result, the first and second driving bodies 10 and 11 are inserted into the respective substrates 2 and 3.
Movement (backlash) in the in-plane direction is now restricted. This shaft 15 is formed with a flange 15a having a larger diameter than the shaft hole 10a of the first driving body 10, and a washer 16 is fitted in the small diameter part of the shaft 15. This washer 1
Reference numeral 6 has a size that is large enough to come into contact with the partition wall 1b on the right side of the insulating case 1, and when the shaft 15 is moved to the left, it comes into contact with the large diameter portion 15b of the shaft 15, thereby regulating the movement stroke of the shaft 15. I'm starting to be able to do it.

Next, the switching operation of the above-mentioned multiple switches will be explained based on FIG. 4. When the shaft 15 is pushed in and moved to the left, the flange 1 of the shaft 15
5a, the first driving body 10 also moves to the left,
The flange portion 10c of this first driver 10
The protrusion 5b of the movable contact 5 is brought into contact with the first fixed contact 4. On the other hand, when the first driving body 10 moves to the left, the tip of the cylindrical portion 10b of the first driving body 10 contacts the flange portion 11c of the second driving body 11 and moves it to the left. In order to do this, the flange portion 11c of the second driver 11 brings the protrusion of the second movable contact 8 into contact with the second fixed contact 7. In this way, the first driving body 10 moved by the shaft 15 brings the first movable contact 5 into contact with the first fixed contact 4 to turn on the first switch _S1 , and at the same time The second driving body 11 moves the second driving body 11, and this second driving body 11 brings the second movable contact 8 into contact with the second fixed contact 7 to turn on the second switch _S2 . Switch S ₁ and second switch S ₂
turns on at the same time.

When the pressing force on the shaft 15 is removed, the first driving body 10 and the second driving body 11 return to their original positions due to the elastic force of the springs 12 and 14, which are elastically installed respectively. The shaft 15 that comes into contact with the driving body 10 also moves to the right and returns to its original position.
When the first driving body 10 and the second driving body 11 move to the right, the first movable contact 5 and the second movable contact 8
returns to its original state by its own elastic force, so both movable contacts 5 and 8 separate from both fixed contacts 4 and 7,
This turns both switches S ₁ and S ₂ off at the same time.

The above-mentioned multiple switch is an example in which two switches S ₁ and S ₂ at the front and rear stages are turned on and off at the same time, but the number of switches is limited to the above example. However, it can also be applied to items with two or more stages.

Furthermore, the multiple switch of the present invention allows each component to be assembled sequentially from the right side using the side plate 13 as support, making it suitable for automated assembly.

The multi-switch switch according to the present invention has the above-mentioned configuration, in which the drive body of the switch on the previous stage moves the drive body of the switch on the rear stage, and each drive body is moved by the shaft that drives the drive body on the front stage. Since the backlash is prevented, it is possible to downsize the switch, and it is also possible to operate a plurality of switches at the same time without timing lag.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a sectional view with the switch in the OFF state, Fig. 2 is a perspective view of the movable contact, and Fig. 3 is a perspective view of the first driving body and the second driving body. , FIG. 4 is a sectional view with the switch in the on state. 4...First fixed contact, 5...First movable contact, 7...Second fixed contact, 8...Second movable contact, 10...First driving body, 11...Second driving body, 15...shaft.

Claims (1)

[Scope of utility model registration request] In a multiple switch where two or more switches are turned on and off at the same time by the reciprocating motion of a single shaft, each switch has a fixed contact provided on the board and a movable contact mounted in the form of a cantilever on the board. A contact point, a driving body having a flange protruding from one end of a hollow cylindrical part, and a spring that urges the driving body in a direction away from the substrate, and the flange portion are overlapped so that their axes coincide with each other, and the shaft is inserted into the respective cylindrical portions of these driving bodies, and the flange portion formed on the shaft is engaged with the flange portion of one driving body. This is a multiple switch that is characterized by the following.