JPS5848750Y2 - switch - Google Patents

Description

[Detailed description of the invention] This invention provides a connecting body in order to standardize the functional part consisting of a terminal board with a fixed terminal and a drive body with a movable contact piece, and a push-button type on the operating part side. This relates to a switch that can be arbitrarily selected from either a lever set or a rotary type.

A conventional switch is constructed as shown in FIGS. 1 to 3.

First, what is shown in FIG. 1 is a lever set switch.

This lever set switch has a sliding body 4 holding a movable contact piece 3 placed on a terminal plate 2 on which a plurality of fixed terminals 1 are arranged and planted, and a rack 5 is formed on the top surface of this sliding body 4. A gear portion 9 that engages with the rack 5 is provided on a part of a lever 8 that is rotatably incorporated into the frame 6 that is incorporated into the terminal board 2 through a pivot shaft 7.
A moderation portion 13 is provided to moderate the rotation of the lever 8 by coming into contact with a ball 12 pressed by a leaf spring 11 whose both ends are supported by two support pieces 10.

Moreover, the one shown in FIG. 2 is a push-button type switch, and this push-button switch has a movable contact piece 3 on a terminal plate 2 on which a plurality of fixed terminals 1 are arranged and planted in the same manner as described above. A frame 6 is placed over the sliding bodies 4 holding the
A pushbutton 14 is provided integrally with the slider 4 so as to protrude from one end, a coil spring 15 for return is fitted into the pushbutton 14, a cam groove 16 is provided on the upper surface of the slider 4, and the cam groove 16 A stopper 17 is provided with one end fitted into the frame 6 and the other end supported by the frame 6.

Furthermore, what is shown in Figure 3 is a rotary switch,
This rotary switch has a protruding piece 18 on the upper surface of a sliding body 4 disposed on a terminal plate 2, a rotary shaft 19 is rotatably attached to a frame 6 that is incorporated into the terminal plate 2, and this rotary shaft 1
a spiral groove 2 into which the protruding piece 18 of the sliding body 4 is fitted into the circumferential surface of the groove 9;
It is configured with 0.

In this way, each type of switch has a configuration that is suitable for each type, but when producing many types of switches, it is necessary to manufacture separate component parts for each type, which makes mass production difficult. This is a disadvantage when it comes to planning and rationalization.

That is, when analyzing the above three types of switches, fixed terminal 1, terminal board 2. Movable contact piece 3. Sliding body 4. The functional section consisting of the frame 6 is a component common to all switches.

However, the shapes of the sliding body 4 and the frame 6 are different from each other, and they are not designed to be used in common.

The present invention attempts to eliminate the above-mentioned conventional drawbacks.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings 4 to 9.

First, in FIG. 4, a sliding body 24 made of an insulating material holding several clip-shaped movable contact pieces 23 is arranged on a terminal board 22 on which a plurality of fixed terminals 21 are arranged and planted. These are covered with a frame 25.

This frame 25 is configured to also serve as a sliding guide for the sliding body 24, and on the ceiling surface of the frame 25,
A long hole 26 is formed, and the sliding body 2 faces the long hole 26.
A coupling recess 27 is provided on the upper surface of 4.

The above configuration constitutes the functional section 28 as a switch.

A connecting portion 29 as shown in FIG. 5 is incorporated into such a functional portion 28. As shown in FIG.

This connecting part 29 is constituted by two fixed connecting bodies 30, 31 and one movable connecting body 32.

That is, the two fixed connecting bodies 30 and 31 are made of elastic synthetic resin, etc., and a guide groove 33 is provided in the center of the abutting surfaces of the two, and a through hole 34 continuous with the guide groove 33 is provided in the outer surface. Hook-shaped engaging portions 35 that engage with both ends of the elongated hole 26 of the frame 25 are provided at both ends of the frame 25 .

The two fixed connecting bodies 30.degree. 31 are connected by welding or gluing.

Moreover, the movable coupling body 32 is formed in the shape of a cross, its horizontal piece 36 fits into the guide groove 33 of the fixed coupling body 30.31, and the vertical line 37 passes through the through hole 34 of the fixed coupling body 30.31. The end protrudes outward, and the protruding tip has a circular head 38.

The connecting portion 29 having such a configuration is incorporated into the functional portion 28 as shown in FIG.

That is, the hook-shaped engaging portion 35 of one of the fixed connectors 31 is engaged with both ends of the elongated hole 26 of the frame, and the head 38 at the lower end of the vertical piece 37 of the movable connector 32 is engaged with the coupling recess 27 of the drive body 24. Press fit and integrate.

The configuration up to this point is a common configuration for all switches, and any operating section 39 can be coupled to this connecting section 29.

What is shown in FIG. 4 is an operating section 39 that is a set of levers.

This operation part 39 is attached to a part of the peripheral surface of a disc-shaped driving body 43, which is formed by integrally molding a lever 42 on a container-shaped frame 40 via a pivot 41. A coupling recess 44 is provided in which the head 38 of the drive body 43 is fitted, and moderation portions 45 are provided at different positions on the circumferential surface of the drive body 43 to moderate the rotation of the drive body 43. A ball 49 is provided at a position corresponding to the plate spring 47, which is pressed by a plate spring 47 whose both ends are supported by a support piece 46 provided on the frame 40, and is held by a holding piece 48 provided on the frame 40. It is brought into pressure contact with the moderation part 45 by an elastic force of .

Further, a long hole 50 is provided at the bottom of the frame 40, and one fixed connecting body 30 of the connecting portion 29 is provided at both ends of the long hole 50.
The vertical piece 37 of the movable coupling body 32 is fitted into the center of the elongated hole 50.

In other words, if the frame 40 constituting the operation part 39 is used to connect the fixed connector 30 of the connector 29, and the movable connector 32 of the connector 29 is connected to the drive body 43 integrally molded with the lever 42, the lever switch will be constructed.

Note that the coupling recess 44 serves as the operation part 39 of the lever set.
By arranging several levers at different positions on the circumferential surface of the driving portion 43, the direction in which the lever 42 projects can be freely selected as shown in FIG.

In this configuration, if the lever 42 is rotated, the connecting portion 2
The movable connecting body 32 of No. 9 slides and drives the sliding body 24 of the functional section 28 coupled to this movable connecting body 32, so that the conduction between the fixed terminals 21 can be switched by the movable contact piece 23.

In another embodiment, a push-button type operating section is used as the operating section 39, as shown in FIG.

This push-button operating section 39 is used as a push-button on a container-shaped frame 52 that has a long hole 51 on the bottom surface that is engaged with the hook-shaped engaging section 35 of the coupling section 29 and passes through the movable coupling body 32. A return coil spring 54 is installed in a portion protruding from the frame 52.
A coupling recess 55 that fits with the head 38 of the movable coupling body 32 of the coupling part 29 is provided on the lower surface of the portion located in the frame 52, and one end of the stopper 56 is fitted on the upper surface of the drive body 53. A cam-shaped recess 57 is formed to lock the sliding movement of the cam.

In the pushbutton switch with this configuration, when the driver 53 is pressed, the function part 2
The sliding body 24 of No. 8 is slid in the same direction as the driving body 53,
A switching operation of the switch is performed.

Further, as another embodiment, as shown in FIG. 9, the operating section 39 may be of a rotary type.

This rotary type operating section 39 is engaged with the hook-shaped engaging section 35 of the connecting section 29 on the bottom surface, and rotates a rotating shaft 60 around a container-shaped frame 59 having a long hole 58 that penetrates the movable connecting body 32. A spiral groove 61 is provided on the circumferential surface of a portion of the driving body 60 located within the frame 59, and the head 38 of the movable coupling body 32 is fitted into the spiral groove 61. be.

By rotating the driving body 60, the spiral groove 61
The movable coupling body 32 fitted into the movable coupling body 32 slides, and the sliding body 24 of the functional section 28 coupled to the movable coupling body 32 also slides to operate as a switch.

Since the switch of the present invention is constructed as described above, the functional part consisting of the fixed terminal, terminal plate, movable contact piece, sliding body, and frame, and the connecting part consisting of the fixed connecting body and the movable connecting body are completely standardized. The desired switch can be obtained by incorporating a lever set, push-button type, or rotary type as the operating part according to the request, and the functional part and connection part can be mass-produced. Therefore, it is only necessary to have an arbitrary configuration for the operating section, which is extremely rational in terms of production, and has great practical value as it is advantageous in reducing costs and stabilizing quality.

[Brief explanation of the drawing]

Figures 1 to 3 are cross-sectional views showing conventional lever switches, push-button switches, and rotary switches. Figure 4 is a cross-sectional view showing an embodiment of the switch of the present invention. Figure 5 is a connection of the switches. FIG. 6 is an exploded perspective view of the main parts of the switch, FIG. 7 is a sectional front view of the main parts of a lever switch according to another embodiment, and FIG. 8 is a pushbutton showing another embodiment. FIG. 9 is a sectional front view of a main part of a rotary switch showing another embodiment. 21...Fixed terminal, 22...Terminal board,
23...Movable contact piece, 24...Sliding body,
25... Frame, 26... Long hole, 2
7...Connection recess, 28...Functional part, 2
9... Connection part, 30° 31... Fixed connection body, 32... Movable connection body, 35...
Hook-shaped engaging portion, 39... Operating portion, 40, 52
, 59...Frame, 43°53.60...
...Driver, 44.55...Coupling recess, 50
, 51° 58... Long hole, 61... Spiral groove.

Claims (3)

[Scope of utility model registration request] (1) A terminal board provided with a plurality of fixed terminals, a sliding body provided on the terminal board that drives a movable contact piece that switches conduction between the fixed terminals, and a sliding body placed over the terminal board so as to cover the sliding body. A functional part having a first frame with a long hole provided in the ceiling surface, two fixed connecting bodies provided with a through hole and a retaining part, and a second frame protruding from the through hole of the two fixed connecting bodies. A connecting part having two heads and a movable connecting body that is movable while being guided by the two fixed connecting bodies, the retaining part of the one fixed connecting body engages with the elongated hole of the first frame. Further, one head of the movable connecting body is provided to engage with the sliding body, and the connecting portion includes a second frame provided with a long hole and a rotating or sliding portion inside the second frame. An operating portion having a movably mounted driving body is arranged such that the engaging portion of the other fixed connecting body of the connecting portion engages with the elongated hole of the second frame and the other head of the movable connecting body. A switch provided so that the part engages with the driving body. (2) The switch according to claim 1, wherein the driving body rotatably or slidably attached to the frame of the operating section is provided with a coupling recess into which the head of the movable coupling body of the coupling section is incorporated. . (3) The switch according to claim 1, which is a registered utility model, wherein the drive body rotatably attached to the frame of the operating body is provided with a spiral groove in which the head of the movable connecting body of the connecting part is incorporated.