KR200295512Y1 - Button switch structure of digital display controller - Google Patents

Abstract

The present invention relates to the arrangement and structure of a push switch of a small industrial digital control device, and a conventional small controller generally uses two vertical PCB boards and two horizontal PCB boards on the front, and presses a numeric display on the vertical PCB board. The switches were placed together. Therefore, due to the area occupied by the push switch on the front vertical PCB, the size of the numeric display is relatively small, making it difficult to see from a distance. The present invention improves visibility while increasing the number display on the front by placing the push switch, which was arranged on the front vertical PCB, on a single horizontal PCB, and operating the switch button using a curved knob. By eliminating the vertical PCB, it provides the push switch arrangement and structure of the small digital controller for cost reduction and productivity improvement.

Description

Push switch structure and structure of small digital controller

The present invention relates to a switch arrangement and structure of an industrial small digital control device. More specifically, in order to reduce the size of the digital control device, the push switch is zigzag mounted on a horizontal PCB board and the push switch can be operated from the front side. A switch arrangement and structure of a small digital control device in which a knob is coupled to a button of a push switch, respectively.

In general, as the industry develops, factories are becoming more and more automated, and many of these small digital control devices are equipped with a push switch for inputting a set value and a numerical display for displaying a variable result.

4 shows a main part of a conventional small digital control device which is generally used in an automated industrial field, and a push switch 600 on which a user can input a set value on the front of the control device, and the push switch 600. Numeric display portion 300 is mounted on the vertical PCB substrate 550 vertically installed on the side surface.

The conventional small controller as described above generally uses two vertical PCB substrates 550 on the front and horizontal PCB substrates 500 installed horizontally on the bottom surface of the controller, and mounts the components on the horizontal PCB substrate 500. The numeric display unit 300 and the push switch 600 were disposed on the front vertical PCB 550. Therefore, the size of the numeric display unit 300 is relatively small due to the area occupied by the push switch 600, so that it is difficult to see from a distance.

This paper is designed to solve the above problems, by removing the front vertical PCB board and increasing the number display, freely placing multiple push switches on one side of the horizontal PCB board inside the controller and controlling the push switches. By arranging a plurality of knobs (Knob) with a bend to operate from the front surface and combined with a switch button, it provides a push switch arrangement and structure of a small digital control device for improved visibility, cost reduction, productivity.

1 is an exploded perspective view according to an embodiment of the present invention

2 is a perspective view of the main part according to an embodiment of the present invention

3 is a coupling diagram according to an embodiment of the present invention

4 is a perspective view of a conventional digital control device

<Description of Symbols for Major Parts of Drawings>

100: body case 110: front open portion

120: rear open part 200: front cover

211, 212, 213: knob drawer 300: number display

410, 420, 430: knob 500, 550: PCB board

610, 620, 630: push switch 611, 621, 631: button

700 terminal block

Push switch arrangement and structure of the present invention compact digital control device for achieving the above object, the front and rear open the body case 100, the horizontal PCB substrate 500 is installed horizontally inside the body case 100 ), The terminal block 700 is coupled to the rear open portion 120 of the body case 100 and coupled to the horizontal PCB substrate 500, and is installed on the front open portion 110 of the body case 100. In the digital control device consisting of a numeric display unit 300, the transparent front cover 200, the horizontal PCB is in close contact with the front of the numeric display unit 300 and a plurality of knob outlet holes (211, 212, 213) formed on one side The first, second, and third push switches 610, 620, and 630, which are freely disposed on the substrate 500, are coupled to the buttons of the first push switch 610 and inserted into the first knob outlet holes 211. Bent into the first knob 410, the button of the second push switch 620 is inserted into the second knob outlet 212 The second knob 420 curved in two stages to be inserted into the button of the third push switch 630 and the third knob 430 curved in one stage to be inserted into the third knob outlet hole 213. Characterized in that made.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

Figure 1 shows an exploded perspective view according to an embodiment of the present invention, the body case 100 has a rear surface open so that the numeric display portion 300 and the horizontal PCB substrate 500 can be inserted into the inside, the front body The output value of the number display unit 300 installed inside the case 100 is opened to visually identify from the outside, and the coupling groove 130 is formed on one side of the plane and the bottom so that the terminal block 700 can be tightly coupled. have.

On the other hand, the transparent front cover 200 is in close contact with the front surface of the numeric display unit 300 to protect the numeric display unit 300 from external impact, and to support the small thin knobs (410, 420, 430) to one side vertically The nozzle outlet holes 211, 212, 213 are arranged to have a small shape, and binding portions 220 having grooves are formed on both left and right sides to be fitted into the protrusions 510 of the horizontal PCB substrate 500.

The horizontal PCB substrate 500 coupled to the number display unit 300 includes first, second, and third push switches 610, 620, and 630 that allow a user to input a set value. In order to increase the design space efficiency, it is freely disposed when viewed from the front, and the buttons 611, 621, 631 of the first, second, and third push switches 610, 620, and 630 have knobs 410, 420, and the like. 430 are each combined.

In this case, the front end portions of the knobs 410, 420, and 430 coupled to the buttons 611, 621, and 631 of the push switches 610, 620, and 630 are formed to be easily inserted into and coupled with the buttons 611, 621, 631.

On the other hand, the first knob 410 coupled to the button of the first push switch 610 is bent in one stage to be inserted into the first knob outlet hole 211 formed in the front cover 200, the second The second knob 420 coupled to the button of the push switch 620 is bent in two stages so as to be inserted into the second knob outlet hole 212, and the third knob coupled to the button of the third push switch 630. 430 is bent in one stage to be inserted into the third knob outlet hole 213.

Accordingly, the first, second, and third knobs 410, 420, and 430 may move independently of each other in the space where the push switches 610, 620, and 630 are crowded, as shown in FIG. 2, and the user may move independently of the knob outlet holes 211, 212, 213. The push switches 610, 620 and 630 respectively coupled to the knobs 410, 420 and 430 can be operated independently by pressing the end of the inserted and fixed knob.

In addition, the knobs 410, 420, 430 are vertically inserted and arranged in a narrow space on one side of the front cover 200, so that the number display unit 300 can effectively use the space of the front open part 110 to identify the user. It is possible to install the numerical display portion 300 of the largest possible size.

Meanwhile, the end portions of the knobs inserted into the knob leading-out holes 211, 212, and 213 of the transparent front cover 200 are not protruded from the surface of the front cover 200 so that the user does not malfunction, but are easily pressed by a thin object such as a ballpoint pen. It is desirable that the center be concave so that it can be done.

In addition, the left and right sides of the terminal block 700 is formed with a groove 720 is formed to be coupled to the protrusion 510 of the horizontal PCB substrate 500, the fixing protrusion 710 is formed in the upper center There is coupled to the coupling groove 130 of the body case 100, it is fixed.

Accordingly, the number display unit 300 coupled to the horizontal PCB substrate 500 is inserted into and fixed to the body case 100 by the transparent front cover 200 and the terminal block 700.

Figure 3 shows a coupling diagram according to an embodiment of the present invention, the numerical display portion 300 is visible through the front cover 200 transparent to the front open portion 110 of the body case 100, the knob pull out The ends of the first, second and third knobs 410, 420 and 430 are inserted into the balls 211, 212 and 213, respectively.

In this case, the end portions of the knobs 410, 420, and 430 are formed to have a small cross-sectional area so as to occupy a small area in the front opening part 110, so that the number display part 300 is within the size of the front opening part 110. It can be made as large as possible, there is an advantage that can operate the push switch (610, 620, 630) installed inside the horizontal PCB 500 by using the knob (410, 420, 430).

As described above, according to the switch arrangement and structure of the small digital control device in this paper, the vertical PCB board is eliminated, the number display is mounted on one horizontal PCB board, and the push switch is freely placed to reduce productivity and cost, By using a small knob with a bend to operate the push switch, the numeric display can be enlarged, thereby improving the visibility of the numeric display.

Claims (3)

The front and rear body case 100 is open, the horizontal PCB substrate 500 is installed in the interior of the body case 100, the horizontal PCB substrate is fastened to the rear open portion 120 of the body case 100 In the small digital control device consisting of a terminal block 700 coupled to the 500, and the numeric display unit 300 is installed on the front open portion 110 of the body case 100, A number display unit 300 and a plurality of push switches 610, 620, and 630 are mounted on the horizontal PCB 500, and a plurality of knob drawing holes 211, 212, on one side of the front surface of the number display unit 300. A transparent front cover 200 having a 213 formed thereon is coupled thereto, and a knob 410, 420, 430 having a bend is inserted between the front cover 200 and the plurality of push switches 610, 620, and 630. The terminal switch 700 is coupled to the rear surface of the horizontal PCB substrate 500, the push switch arrangement and structure of a small digital control device, characterized in that the structure is inserted and coupled to the interior of the body case (100). According to claim 1, wherein the push switch (610, 620, 630) are disposed so as to overlap in the front direction of the horizontal PCB substrate 500, each knob coupled to the push switch (610, 620, 630) ( Arrangement of the push switch of the small digital control device, characterized in that the ends of the 410, 420, 430 is bent in one or two stages so as to be exposed to the outside through the knob outlet holes (211, 212, 213) and rescue. The method of claim 1 or 2, wherein the knobs (410, 420, 430) is small in size and occupies a small area on one side of the front cover, the center is concave, and the number display portion 300 is enlarged while visibility Push switch arrangement and structure of a small digital control device characterized in that the improved.