JPH0119774Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a switch device, and in particular, by attaching accessories to a conventional push switch, it is possible to easily display the operating status of the switch and the switch being used. Concerning what has been made possible.

(b) Conventional technology Conventionally, as this type of switch device,
Those shown in Japanese Utility Model Publication No. 46275 and Japanese Utility Model Application No. 55-138718 are known. In the former, a leaf spring having a mark indicating the operating state of the switch is bent by pressing an operation button, and the mark on the leaf spring is moved vertically to display the operating state of the switch. This configuration has disadvantages such as poor reliability because the leaf spring does not return due to frictional resistance between the member for vertically moving the mark and the leaf spring, metal fatigue due to long-term use, and the like.

Furthermore, since the latter has a structure in which the folded portion is expanded and contracted in conjunction with an operation button, it has drawbacks such as a complicated structure.

(c) Problems to be Solved by the Invention The present invention was devised in view of the above-mentioned drawbacks, and an object thereof is to provide a highly reliable switch device with a simple structure.

(d) Means for solving the problem A plurality of operation buttons are provided in the main body case, which has a display window on one side and an operation opening on the other side adjacent to the one side, so that operation buttons protrude from the opening. The push switch is housed, the push switches are linked so that when any one of the operation buttons is pressed, the other operation buttons are reset, and the strip is bent at a substantially right angle to have a display surface. A plurality of switch plates, which form a display part and a base part, are stored in the main body case in correspondence with the operation buttons, and the shaft of the push switch is inserted through the base of the switch plate, and when the operation button is pressed, the display surface is moved to the display window. The end of the base is swingably supported so as to face the switch plate, and is biased by a spring member so that the base of the switch plate is always in contact with the back surface of the operation button.

(e) Effect When you press any one of the operation buttons,
The back surface of the operation button presses the base of the switch plate, and the display surface of the display unit faces the display window against the biasing force of the spring member. Therefore, the displayed content on the display surface can be easily checked from outside the main body case. When the operating button is returned to its original position, the switch plate is swung by the spring member and its base abuts against the back surface of the operating button. Therefore, since the display surface does not normally face the display window, no display is performed.

(f) Example An example of the present invention will be described in detail below based on the drawings. 1 is a main body case in which a plurality of display windows 2 are arranged in parallel on the upper surface, and a plurality of operation holes 3 are arranged in parallel on the front side, and a mounting bracket 4 for attaching to a rod-shaped material such as a pipe material is provided in the lower surface. have.

Reference numeral 5 indicates a printed circuit board screwed and fixed within the main body case 1, and 6 indicates a plurality of printed circuit boards soldered and fixed in parallel to the printed circuit board 5 such that each operation button 7 protrudes from the operation opening 3. These push switches 6 are interlocked with each other so that when any one operation button is pressed, the other operation buttons are reset.

Reference numeral 8 denotes a support frame plate attached to the front side of these switches 6 with the shafts 9 of the switches 6 loosely inserted therein, and one end is L-shaped so as to be opposed to the side of the shafts 9. It is bent to form a support arm 10, and the other end is bent upward to form a spring receiving arm 11 while being located above the switches 6.

Reference numeral 12 denotes a switch plate that informs which of the push switches 6 are in operation.
3a, and a base 15 having one end 15a swingably supported on the support arm 10 with the shaft 9 of the switch 6 inserted loosely into the insertion hole 14 thereof. Further, characters such as "1", "2", "3", etc. are printed on the display surface 13a to display the switches 6, etc., and when the operation buttons 7 are pressed, the corresponding switch is displayed. When the back side of the button 7 comes into contact with the base 15, the display surface 1
3a is configured to face the display window 2 downward.

Furthermore, 16 connects the free end to the base 1 of the switch plate 12.
A spring support rod 18 stands up from the spring receiving arm 11 so as to be loosely inserted into the loose insertion hole 17 of the spring receiving arm 11 and the base 1.
5, and the coil spring 18 biases the base 15 in a direction in which the base 15 is always in contact with the back surface of the operation button 7, so that the display surface 13a is always in contact with the back surface of the operation button 7. Since it does not face the display window 2, no display is performed;
When the operation button 7 is pressed, the back surface of the button 7 presses the base 15 of the switch plate 12, causing the display surface 13a of the display section 13 to oppose the urging force of the coil spring 18 and oppose the display window 2 below. This allows the display contents of the display surface 2 to be easily checked from outside the main body case 1.

(g) Effects of the invention As described above, according to the invention, the structure is simple because only a few parts such as a switch plate are added to the conventional push switch, and the switch plate can be freely oscillated. Since it is supported, there is less resistance to return than in the conventional example, which deforms the leaf spring and moves the mark on the leaf spring in the vertical direction.
Therefore, the return can be performed more reliably.

Furthermore, since only the operating buttons in use are displayed by the display window, the operating buttons in use can be identified very easily, resulting in very good usability.

[Brief explanation of the drawing]

The drawings all relate to one embodiment of the switch device of the present invention. Fig. 1 is an overall perspective view, Fig. 2 is a partially sectional top view, Fig. 3 is an explanatory cross-sectional view, and A shows an operation button. Figure 2 shows a state in which the operation button is not pressed, and (b) shows a state in which the operation button is pressed. 2...Display window, 3...Operation opening, 1...Main case, 6...Push switch, 13a...Display surface, 1
3...Display section, 15...Base, 12...Switch board, 1
8...Coil spring.

Claims (1)

[Scope of utility model registration request] A plurality of push switches are housed in a main body case that has a display window on one side and an operation hole on the other side adjacent to the one side, and the operation buttons protrude from the holes. The push switches are interlocked so that when any one of them is pressed, the other operation buttons are reset, and the band plate is bent at a substantially right angle to form a display section having a display surface and a base section. A plurality of switch plates are housed in the main body case corresponding to the operation buttons, and the shaft of the push switch is inserted through the base of the switch plate, and the display surface faces the display window when the operation button is pressed. A switch device in which the end of the base is swingably supported and biased by a spring material so that the base of the switch plate is always in contact with the back surface of the operation button.