KR19980023373A - Elevator switch - Google Patents

Abstract

The present invention relates to an elevator switch comprising a PCB having a screw hole and a tact switch in which at least a plurality of screws are inserted, and comprising a cylindrical body portion and a cover portion integrally formed in a ring shape with a central opening at an upper end of the body portion. A disk-shaped indicator having a frame, a through-hole formed on the lower surface of the ring-shaped cover part for emitting light, a fixing protrusion protruding to fit into the through-hole of the indicator on the upper part, and a plurality of LEDs integrated therein A shade of a substantially cylindrical shape, comprising a circuit board on which a chip is mounted and a central axis protruding to press the tact switch to be mounted on the body part of the frame, and a shade mounted on the central axis and mounted from the PCB. Frame and phosphorus, because it is made of a spring that moves up and down elastically The structure of the cater is further simplified, and the circuit board mounted with LED chip is integrated inside the shade, thereby minimizing the number of parts and improving the productivity, and the vertical movement of the shade is operated by the spring. There is an effect acting on the tact switch more accurately.

Description

Elevator switch

The present invention relates to an elevator switch, and more particularly, by further embedding a circuit board mounted with an LED chip (Light Emitting Diode-Chip) inside the shade, and further reducing the number of components, further improving productivity. The present invention relates to an elevator switch that enables the LED chip to emit light more accurately through accurate on / off control of power.

In general, an elevator switch has a function of transmitting a signal of light to an operator by pressing and pressing a tact switch by pressing the button in a downward direction of a shade by pressing a button cap supported by a button guide.

An elevator switch according to the related art having the above function will be described with reference to FIGS. 1 and 2 as follows.

1 is an exploded perspective view illustrating an elevator switch according to the prior art, and FIG. 2 is a main half cross-sectional view of the elevator switch according to the prior art.

As shown in FIG. 1, the elevator switch according to the related art has a terminal hole 130 and a plurality of screws 140 into which two terminals of a tact switch 110 and an LED 500 are turned on and off. PCB 100 having a screw hole 120 into which is inserted, a frame 200 having a shade 400 in which a button case 600 is positioned, and a button 200 of the button case 600. An indicator 700 positioned at an upper portion and provided with a transmissive body 710, a butt cap 800 mounted to the button case 600 with the indicator 700 therebetween, and an elevator panel ( It is attached to (not shown) consists of a button guide 900 for supporting the button cap 800.

In this case, as shown in FIG. 2, a protrusion 410 for pressing the tact switch 110 protrudes from a bottom surface of the shade 400, and the shade 400 is formed on a bottom surface of the frame 200. The guide pin 210 to which a plurality of springs 300 to move up and down elastically is fitted is formed upright.

Referring to the on / off operation of the elevator switch according to the prior art made of the above configuration as follows.

First, when the button cap 800 supported by the button guide 900 is pressed, the indicator 700 and the button case 600 are moved downward, so that the protrusion 410 of the shade 400 is moved to the PCB 100. By pressing the tact switch 110 of the LED 500 is to emit light.

At this time, the light by the light emission of the LED 500 is displayed to the outside through the transmission body 710 inside the indicator 700, the downward movement of the shade 400 is a guide formed on the bottom surface of the frame 200 It is moved by the elasticity of the plurality of springs 300 fitted to the pin (210).

On the other hand, when the pressure applied to the button cap 800 is released, the power is returned to the initial state by the elasticity of the spring 300 fitted to the plurality of guide pins 210 formed upright on the bottom of the frame 200. Will be blocked.

However, since the elevator switch according to the prior art is made of a plurality of parts, such as the button cap 800 and the button case 600 and the LED 500 and the shade 400 separately assembled, the manufacturing cost is increased, There was a problem that the assembly structure is complicated, the productivity is significantly reduced.

In addition, since the vertical movement of the shade 400 by pressing the button cap 800 is operated by a plurality of springs 300 mounted on the plurality of guide pins 210 formed on the bottom surface of the frame 200, Protruding portion 410 of the shade 400 in contact with the tact switch 110 of the PCB 100 is not uniformly operated according to the change of the elastic modulus of the spring 300 can not achieve accurate on / off control There was a big disadvantage.

Accordingly, the present invention has been made to solve the above problems, the object of which is to simplify the structure of the frame and indicator, and at the same time to simplify the integrated circuit board mounted with LED-chip mounted in the shade In addition, the present invention provides an elevator switch in which an LED chip is emitted through on / off control of a more accurate power source.

1 is an exploded perspective view showing an elevator switch according to the prior art

Figure 2 is a main half-sectional view showing an elevator switch according to the prior art

3 is an exploded perspective view showing an elevator switch according to the present invention

Figure 4 is a half cross-sectional view showing an elevator switch according to the present invention.

Explanation of symbols on the main parts of the drawings

10 frame 11 body part

11a: screw groove 11b: protrusion piece

12: cover 20: indicator

21: through groove 30: shade

31: fixed protrusion 32: central axis

40: circuit board 41: LED chip

42: lead terminal 50: spring

60 connector 70 PCB

71: screw hole 72: terminal hole

73: screw 80: tact switch

An elevator switch according to the present invention for achieving the above object, the elevator switch comprising a PCB having a screw hole and a tact switch to which at least a plurality of screws are fitted, the center of the cylindrical body portion and the upper end of the body portion A frame formed of a cover portion which is opened and integrally formed in a ring shape, a disc shaped indicator having a through groove positioned on the lower surface of the ring-shaped cover portion for emitting light, and protruding to be fitted into the through groove of the indicator on the upper portion A shade having a substantially cylindrical shape mounted on a body part of the frame, comprising a fixing protrusion and a circuit board mounted with a plurality of LED chips integrated therein and a central axis protruding to press the tact switch to a lower portion thereof; It is mounted on the central axis and the elastic up and down the shade from the PCB It comprise a spring that.

Therefore, the elevator switch according to the present invention by the above configuration, the structure of the frame and the indicator is further simplified, the integrated circuit board with the LED chip is mounted in the shade, thereby minimizing and simplifying the number of parts, further improving the productivity In addition, since the vertical movement of the shade is operated by a spring mounted on the central axis, the central axis can be applied to the tact switch of the PCB more accurately.

In addition to the above configuration, a terminal hole drilled through the PCB, a lead terminal connected to a circuit board on which the LED chip is mounted and protruding to the lower surface of the shade, and the shade interconnects the lead terminal and the terminal hole of the PCB. It is preferable that a connector is further included.

Therefore, the elevator switch according to the present invention by the above configuration has a useful effect that the supply and demand of the power supply can be achieved by simply interconnecting the terminal hole drilled in the PCB and the lead terminal of the circuit board on which the LED chip is mounted by a connector There is.

In addition to the above configuration, it is preferable to further comprise a plurality of screw grooves recessed in the lower end of the body portion of the frame so that the screw fitted into the screw hole of the PCB can be screwed.

Therefore, the elevator switch according to the present invention having the above configuration has a useful effect that a plurality of parts including an indicator and a shade can be simply protected by a screwed PCB and a frame.

In addition to the above configuration, it is preferable to further comprise a plurality of projection pieces protruding on the outer diameter surface of the body portion of the frame to be fitted to the external elevator panel.

Therefore, the elevator switch according to the present invention has the excellent effect that the assembly of the product is more convenient because the projection piece of the frame is simply fitted to the external elevator panel.

EXAMPLE

Hereinafter, an elevator switch according to the present invention will be described with reference to FIGS. 3 and 4.

3 is an exploded perspective view showing an elevator switch according to the present invention, Figure 4 is a half cross-sectional view showing an elevator switch according to the present invention.

3 and 4, the elevator switch according to the present invention, the PCB 70 is provided with a screw hole 71 and a tact switch 80 to which a plurality of screws 73 are fitted, and a cylindrical body A frame 10 composed of a cover portion 12 formed in the center of the upper portion of the portion 11 and the body portion 11 and integrally formed in a ring shape, and located on the lower surface of the ring-shaped cover portion 12 Disc-shaped indicator 20 is formed with a through groove 21 for expressing a, and a fixing protrusion 31 protruding to fit into the through groove 21 of the indicator 20 on the top and a plurality of integrally embedded therein The circuit board 40 is mounted with an LED chip 41 and a central shaft 32 protruding to press the tact switch 80 in the lower portion is mounted to the body portion 11 of the frame 10 Shade 30 having a substantially cylindrical shape, and mounted on the central axis 32 to form the shade from the PCB 70. It achieved a 30 to the spring 50 that moves up and down elastically.

In this case, the spring 50 mounted on the central axis 32 of the shade 30 has the diameter as large as possible, and the central axis 32 is pressed by the indicator 20 when the indicator 20 is pressed. It is possible to exactly contact the tact switch 80.

In addition, a lead terminal 42 connected to the circuit board 40 on which the LED chip 41 is mounted is formed on the bottom surface of the shade 30, and a terminal hole 72 is drilled in the PCB 70. In this case, the lead terminal 42 and the terminal hole 72 are fitted with the connector 60, thereby enabling electrical connection.

In addition, a plurality of screw grooves 11a are recessed in the lower end of the body portion 11 of the frame 10 so that the screw 73 fitted into the screw hole 71 of the PCB 70 can be screwed. On the outer diameter surface of the body portion 11 of the frame 10, a plurality of protrusion pieces 11b are formed to protrude so as to be fitted to an external elevator panel.

Referring to the assembly operation of the elevator switch according to the present invention made of the above configuration.

First, the spring 50 is mounted on the central axis 32 of the shade 30 in which the circuit board 40 on which the plurality of LED chips 41 are mounted is integrated, and the central axis 32 is tacted. After placing the PCB 70 so as to be in contact with the switch 80, a connector (not shown) in the lead terminal 42 connected to the circuit board 40 of the shade 30 and the terminal hole 72 of the PCB 70. 60) to each other so that an electrical connection can be made.

Thereafter, the indicator 20 is positioned so that the fixing protrusion 31 protruding from the upper portion of the shade 30 can be fitted into the through groove 21, and at the same time, the cover 12 and the body of the frame 10 are positioned. Screw recessed in the lower portion of the body portion 11, the screw 73 fitted in the screw hole 71 of the PCB 70 so that the portion 11 protects the indicator 20 and the shade 30 The assembly is completed by screwing into the groove 11a.

On the other hand, the plurality of protrusion pieces (11b) protruding on the outer diameter surface of the frame 10 is fitted to the external elevator panel it is possible to put the product to practical use.

Referring to the on / off operation and action of the elevator switch according to the invention made of the above structure as follows.

First, when the indicator 20 exposed to the opening of the cover portion 12 integrally formed on the upper portion of the frame 10 is pressed, the indicator 20 is located on the inner diameter surface of the body portion 11 of the frame 10. The shade 30 is moved downward, wherein the central axis 32 is the PCB 70 by the elastic action of the spring 50 mounted on the central axis 32 of the shade 30. By pressing the tact switch 80, the power supply becomes energized.

At this time, the power by pressing the tact switch 80 is applied to the circuit board 40 through the connector 60 to emit a plurality of LED chip 41, the operation of the LED chip 41 The light by the light is again emitted to the outside through the fixing protrusion 31 of the shade 30 fitted in the through groove 21 of the indicator 20.

On the other hand, if a variety of letters or symbols are inscribed in the indicator 20 so that the light by the light emission of the LED chip 41 is transmitted, the light of the LED chip 41 is the letters and symbols It is also expressed to the outside through the user can be informed of a predetermined signal.

On the other hand, when the pressure applied to the indicator 20 is released, the central axis 32 of the shade 30 is caused by the elasticity of the spring 50 fitted to the central axis 32 protruding from the lower surface of the shade 30. By returning to this initial state, the power is cut off.

As described above, in the elevator switch according to the present invention, the structure of the frame 10 and the indicator 20 is further simplified, and the circuit board 40 having the LED chip 41 mounted therein is integrated in the shade 30. Therefore, the number of parts is minimized and simplified, thereby further improving productivity, and the vertical axis 32 of the shade 30 is operated by the spring 50 mounted on the central axis 32 so that the central axis 32 is more accurately printed on the PCB. There is an excellent effect to act on the tact switch 80 of 70.

In addition, since the terminal 70 of the PCB 70 and the lead terminal 42 of the circuit board 40 on which the LED chip 41 is mounted are simply interconnected by the connector 60, accurate supply and demand of power is provided. A plurality of parts, including the indicator 20 and the shade 30, can be simply protected by the screw-assembled PCB 70 and the frame 10, and the frame 10 is mounted on an external elevator panel. Since the projection piece 11b of) is simply fitted and mounted, the assembling of the product becomes more convenient and at the same time has a useful effect that is simplified.

Claims (4)

An elevator switch comprising a PCB having a screw hole and a tact switch into which at least a plurality of screws are fitted, A frame comprising a cylindrical body portion and a lid portion formed at an upper end of the body portion and integrally formed in a ring shape; A disk-shaped indicator formed on a bottom surface of the reel-shaped cover part and having a through groove for emitting light; The body of the frame is composed of a fixed protrusion formed to protrude into the through groove of the indicator at the top and a circuit board mounted with a plurality of LED-chips integrated therein and a central axis protruding to press the tact switch at the bottom. The shade of the cylindrical shape attached to the part, Elevator mounted to the central axis comprising a spring for elastically moving the shade up and down from the PCB. The method of claim 1, A terminal hole drilled through the PCB, a lead terminal connected to a circuit board on which the LED chip is mounted, protruding toward the lower surface of the shade, a connector connecting the lead terminal of the shade and the terminal hole of the PCB to each other; Elevator switch comprising a. The method of claim 1, Elevator switch characterized in that it further comprises a plurality of screw grooves recessed in the lower end of the body portion of the frame so that the screw fitted into the screw hole of the PCB can be screwed. The method of claim 1, Elevator switch characterized in that it further comprises a plurality of projection pieces protruding on the outer diameter surface of the body portion of the frame to be fitted to the external elevator panel.