JP2009220929A - Drip proof push button switch of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drip proof push button switch of an elevator capable of imparting variations to design of the button. <P>SOLUTION: The drip proof push button switch is equipped with the button 2, a projection 3 provided on the back face of the button 2, a button case 6 for storing the button 2, a light emitting part 7 which is provided at the position so as to hold the projection 3 when the button 2 is pushed and emits the light, and a light receiving part 8 for receiving the light emitted from the light emitting part 7. The switch is operated by shielding the light emitted from the light emitting part 7 by the projection 3 when the button 2 is pushed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a drip-proof pushbutton switch for an elevator, and more particularly to a drip-proof pushbutton switch that can have variations in button design.

  A conventional drip-proof pushbutton switch for an elevator will be described with reference to FIG. FIG. 9A is a front view of a conventional drip-proof pushbutton switch of an elevator, and FIG. 9B is a side view of the drip-proof pushbutton switch shown in FIG. 9A.

  Conventionally, a drip-proof switch is rarely used as a switch on the elevator landing side. For this reason, when there is an order for a switch having such a drip-proof specification, a landing button or the like is manufactured using a commercially available push button switch having a drip-proof function.

  As shown in FIGS. 9 (a) and 9 (b), a commercially available push button switch 24 having a general drip-proof function can be used in a tropical region or a cold region, or dust may fly in a factory or the like. It has a dustproof function that can be used in places.

  Since it can withstand use in places such as those mentioned above, input devices with drip-proof and dust-proof functions generally have a structure with a resin cover or removable lid attached. ing. For this reason, since the shape of the button part was unified and there was no variation, the design could not be changed.

  Also, because the application is limited, UP or DOWN arrows indicating the direction cannot be described for the buttons, and UP, DOWN, etc. are described as shown in FIGS. 9 (a) and 9 (b). A plate 25 was attached.

  In addition, what is shown by patent document 1 etc. is known as a drip-proof tool of the elevator landing equipment. The drip-proof device of the elevator hall device shown in Patent Document 1 is provided with eaves on the face plate to which the push button switch is attached and on the left and right.

JP 2000-255926 A

  As mentioned above, the conventional push button switch with a general drip-proof function, which has a general drip-proof function, has a limited use, so it has a resin cover and a removable lid attached. It has a structure. For this reason, there was a problem that the shape of the button was unified, there was no variation, and the design could not be changed.

  The present invention has been made in consideration of such points, and an object of the present invention is to provide a drip-proof pushbutton switch for an elevator that can have variations in the design of the button.

  The drip-proof push button switch for an elevator according to the present invention includes a button, a protrusion provided on the back surface of the button, a button case for storing the button, and the protrusion sandwiched when the button is pressed. A light-emitting unit that emits light and a light-receiving unit that receives light emitted from the light-emitting unit, and the light emitted from the light-emitting unit when the button is pressed is blocked by the protrusion. The switch operates by being operated.

  Another elevator drip-proof pushbutton switch of the present invention comprises a button made of a light-transmitting material, a back surface member made of a light shielding material provided on the back surface of the button, and the button is housed and made of a light shielding material. A button case, a button case provided with a window member made of a translucent material in a part thereof, and a light receiving portion provided in the vicinity of the window member outside the button case, wherein the button A light receiving portion that receives external light through the button and the window member when the button is pressed, and external light is transmitted through the button and the window member when the button is pressed. The switch operates by reaching the light receiving portion.

  Still another drip-proof pushbutton switch for an elevator according to the present invention is a button, a button case for accommodating the button, a button case provided with a notch in a part thereof, and the button. A projection that protrudes outward from the button case through the cutout of the button case, and a reset switch that is provided outside the button case and contacts the projection when the button is pressed And when the button is pressed, the projection is brought into contact with the return switch, so that the switch operates.

  Still another drip-proof pushbutton switch for an elevator according to the present invention is a button made of a translucent material and a button case containing the button and made of a translucent material, and a notch is provided in a part thereof. A button case, a protrusion provided on the button, passing through the notch of the button case and protruding outward of the button case, and provided on the outer side of the button case, when the button is pressed The switch is in contact with the protrusion, the lighting member provided on the back side of the button case, and the back side of the button, which is printed so as to be transparent when the lighting member is lit. A display member, and when the button is pressed, the projection is brought into contact with the return switch, so that the switch is operated, and the lighting member is lit.

  Still another drip-proof pushbutton switch for an elevator according to the present invention is provided with a button made of a translucent material, a button case for accommodating the button, and a back side of the button case. A differential transformer for detecting that the button is pressed, and when the button is pressed, the button case is pressed to the back side by the pressing load, and the differential transformer changes the voltage. The switch is operated by detecting by.

  Still another drip-proof pushbutton switch for an elevator according to the present invention includes a button made of a light-transmitting material, a button case that houses the button and made of a light-transmitting material, and is provided on the back side of the button case. A differential transformer for detecting that the button has been pressed due to a change in the voltage, a lighting member provided on the back side of the differential transformer, a transmission member provided on the back side of the button, and transmitting when the lighting member is lit. A display member on which printing is performed, and when the button is pressed, the button case is pressed to the back side by the pressing load, and the differential transformer detects this by a change in voltage. The switch is operated by detecting it, and the lighting member is turned on.

  Still another drip-proof pushbutton switch for an elevator according to the present invention includes a button made of a light-transmitting material, a back surface member made of a light shielding material provided on the back surface of the button, and the button housed from the light shielding material. A button case, part of which is a button case provided with a window member made of a translucent material, and a light receiving part provided in the vicinity of the window member outside the button case, A light receiving portion that receives external light through the button and the window member when the button is pressed, and a back side of the button case, and detects that the button has been pressed by a change in voltage. A differential transformer, and when the button is pressed, external light reaches the light receiving unit via the button and the window member, or when the button is pressed The heavy said button casing is pushed on the back side, the differential transformer by detecting a change in voltage of this, wherein the switch is operated.

  According to the drip-proof pushbutton switch of the elevator of the present invention, variations in the design of the button can be provided.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a drip-proof pushbutton switch for an elevator according to the present embodiment.
Specifically, FIG. 1A is a front view of a drip-proof push button switch for an elevator according to the present embodiment, and FIG. 1B is a drip-proof push button shown in FIG. It is a sectional side view by the AA line arrow of a switch.

  As shown in FIGS. 1A and 1B, the drip-proof push button switch according to the present embodiment is incorporated in the face plate 1. Here, the drip-proof push button switch is provided on the back surface of the button 2 made of a light shielding material, the projection 3 made of the light shielding material, and the button 2 for causing the button 2 to stroke in the left-right direction in FIG. And a guide 5 for causing the spring 4 to stroke in the vertical direction (vertical direction in FIGS. 1A and 1B). A button case 6 made of a translucent material is attached to the back surface of the face plate 1 with, for example, bolts and nuts, and a light emitting portion 7 is attached to the upper part of the button case 6. A light receiving sensor 8 for receiving the light emitted from the light emitting unit 7 is attached.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the passenger presses the button 2 incorporated in the face plate 1, the spring 4 contracts along the guide 5 in the right direction in FIG. Thus, the light shielding material provided on the back surface of the button 2 between the light emitting portion 7 disposed on the upper part of the button case 6 made of a light transmitting material and the light receiving sensor 8 disposed on the lower part of the button case 6. The projection 3 made of is blocked. For this reason, the light receiving sensor 8 disposed at the lower part of the button case 6 does not receive the light emitted from the light emitting unit 7, and an ON signal is emitted from the light receiving sensor 8 and call registration is performed. The light emitting unit 7 and the light receiving sensor 8 may be arranged upside down. Moreover, you may arrange | position these light emission parts 7 and the light reception sensors 8 on the right and left of the location where the protrusion 3 should advance.

  As described above, the drip-proof push button switch has the button 2, the protrusion 3 provided on the back surface of the button 2, the button case 6 that houses the button 2, and the protrusion 3 when the button 2 is pressed. A light emitting unit 7 that emits light and a light receiving sensor 8 that receives the light emitted from the light emitting unit 7 are provided. Then, when the button 2 is pressed, the light emitted from the light emitting unit 7 is blocked by the protrusion 3 so that the switch is operated. For this reason, even if water permeates from the outside of the button 2, water does not enter the contact portion of the switch, so that it can be excellent in drip-proof property and dust-proof property. Further, when a seal member such as a rubber packing is sandwiched between the face plate 1 and the button case 6, it is possible to further improve the drip-proof property and the dust-proof property. An arrow indicating the direction can be written on the button 2. 1 (a) and 1 (b), the button 2 has a quadrangular shape. However, since the button 2 can be changed to a round shape or the size can be changed, the drip-proofing of the elevator according to the customer's needs. A pushbutton switch can be provided.

  In addition, the conventional push button switch with a general drip-proof function has a structure with a resin cover and removable lid attached, and the button shape is unified and variations are available. However, the design cannot be varied, but according to the above-described drip-proof push button switch, the design of the button can be varied.

  The drip-proof pushbutton switch for an elevator according to the present invention is not limited to the above-described embodiment, and various modifications can be made.

  A modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIGS. Fig.2 (a) is a front view of the drip-proof pushbutton switch of the elevator which concerns on this modification, FIG.2 (b) is BB of the drip-proof pushbutton switch shown to Fig.2 (a). It is a sectional side view by a line arrow. FIG. 3 is a side sectional view of the drip-proof pushbutton switch showing a state when the button is pressed from the state shown in FIG.

  The drip-proof pushbutton switch shown in FIGS. 2 and 3 is provided with a button 9 made of a translucent material instead of the button 2 made of a light-shielding material, compared to the drip-proof pushbutton switch shown in FIG. A back surface member 10 made of a light shielding material is provided on the back surface of the button 9 made of a light transmitting material. Further, a button case 11 made of a light shielding material is provided instead of the button case 6 made of a light transmissive material, and a window member 12 made of a light transmissive material is provided at a part of the upper portion of the button case 11. Then, instead of providing the light emitting unit 7 and the light receiving sensor 8 as shown in FIG. 1B, the light receiving sensor 8 is provided near the window member 12 above the button case 11 as shown in FIG. 2B. Yes. As shown in FIG. 3, when the button 9 is pressed, external light passes through a path indicated by reference numeral 13 through the button 9 made of a light-transmitting material and the window member 12 made of the light-transmitting material. The light receiving sensor 8 is reached.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
As shown in FIG. 2B, when the button 9 is not pressed, the window member 12 provided at a part of the upper portion of the button case 11 is externally attached to the back member 10 made of a light shielding material. The light does not reach from. On the other hand, when the passenger presses the button 9 incorporated in the face plate 1, the back member 10 made of a light shielding material strokes to the back side (the right side in FIG. 2B), as shown in FIG. 3. Light from the outside reaches the window member 12 provided at a part of the upper part of the button case 11 through the path 13. As a result, the light receiving sensor 8 senses light and an ON signal is emitted from the light receiving sensor 8 to perform call registration. In the drip-proof push button switch according to this modification, the window member 12 and the light receiving sensor 8 may be disposed below or on the left and right of the button case 11. Further, a plurality of window members 12 may be arranged on a part of the button case 11, and a plurality of light receiving sensors 8 may be arranged so as to correspond to the window members 12. Further, the spring 4 may be disposed at the center of the button case 11.

  In the drip-proof pushbutton switch as shown in FIG. 1, the light-emitting unit 7 always emits light, and the light emitted from the light-emitting unit 7 needs to be received by the light-receiving sensor 8, but in FIGS. According to the drip-proof push button switch as shown, it is possible to omit the installation of the light emitting unit 7 that always needs to emit light in a place where there is light outside the button 9. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, another modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIG. FIG. 4A is a front view of the drip-proof pushbutton switch of the elevator according to this modification, and FIG. 4B is a CC view of the drip-proof pushbutton switch shown in FIG. It is a sectional side view by a line arrow.

  Compared with the drip-proof pushbutton switch shown in FIG. 1, the drip-proof pushbutton switch shown in FIG. 4 replaces the projection 2, the light emitting unit 7, and the light receiving sensor 8 with the button 2 made of a light shielding material. A protrusion 14 is provided on the top, and a button case 15 made of a light-shielding material with a notch provided on the top is provided instead of the button case 6 made of a translucent material. In addition, a return switch 16 is disposed above the button case 15.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the button 2 made of a light shielding material is pressed, the protrusion 14 provided on the upper part of the button 2 comes into contact with the reset switch 16 provided on the upper part of the button case 15. As a result, an ON signal is issued from the reset switch 16 and call registration is performed. In the drip-proof push button switch according to this modification, the spring 4 may be disposed at the center of the button case 11.

  According to the drip-proof push button switch as shown in FIG. 4, since the return switch 16 having a mechanical contact is used, a drip-proof push button switch for an elevator that is reliable in quality is provided. can do. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, still another modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIG. Fig.5 (a) is a front view of the drip-proof pushbutton switch of the elevator which concerns on this modification, FIG.5 (b) is DD of the drip-proof pushbutton switch shown to Fig.5 (a). It is a sectional side view by a line arrow.

  The drip-proof pushbutton switch shown in FIG. 5 uses a button 9 made of a translucent material instead of the button 2 made of a light-shielding material, as compared with the drip-proof pushbutton switch shown in FIG. On the back surface, a display member 17 is provided which is printed so that it is transmitted when the light source is turned on. A light-shielding paint 18 is applied around the button 9 made of a translucent material. Further, a button case 19 made of a translucent material is used instead of the button case 15 made of a light shielding material, and an LED substrate 20 on which an LED chip is mounted is provided on the back side of the button case 19. Further, the button case 19 is provided with a notch 19a.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the button 9 made of a translucent material is pressed, the protrusion 14 provided on the upper part of the button 9 comes into contact with the reset switch 16 disposed on the upper part of the button case 19. As a result, an ON signal is issued from the reset switch 16 and call registration is performed. Further, when an ON signal is issued from the reset switch 16, the LED substrate 20 mounted with the LED chip disposed on the back side of the button case 19 is turned on, and characters and the like printed on the display member 17 are turned on. At this time, since the shading paint 18 is applied around the button 9, no light leakage occurs. A light guide plate can be used instead of the LED substrate 20.

  Many commercially available push button switches having a drip-proof function do not light up. On the other hand, the drip-proof pushbutton switch shown in FIG. 5 performs printing such that the display member 17 transmits when the light source is turned on, and the LED substrate is provided on the back surface of the button case 19 made of a translucent material. Since 20 is provided, the display member 17 can be turned on, whereby call registration can be performed. Moreover, when the arrow which shows directionality which permeate | transmits when this light source lights on this display member 17, the passenger of an elevator comes to be able to judge by the display by this display member 17. FIG. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, still another modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIG. FIG. 6A is a front view of a drip-proof pushbutton switch of an elevator according to this modification, and FIG. 6B is an EE of the drip-proof pushbutton switch shown in FIG. It is a sectional side view by a line arrow.

  The drip-proof push button switch shown in FIG. 6 is different from the drip-proof push button switch shown in FIG. 5 in that an integrated button case 21 made of a translucent material is used instead of the button case 15 made of a light shielding material. In addition, a differential transformer 22 is provided on the back surface of the button case 21 instead of providing the protrusion 14 and the reset switch 16. Further, the drip-proof push button switch shown in FIG. 6 omits the installation of the LED board 20 compared to the drip-proof push button switch shown in FIG. The differential transformer 22 detects that the button has been pressed due to a change in voltage. Further, the button case 21 is provided with a notch 21a.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the button 9 made of a translucent material is pressed, the load applied to the spring 4 pushes the button case 21 to the back side (right side in FIG. 6B), and the voltage applied to the differential transformer 22 changes. Then, when the differential transformer 22 detects a voltage change, the call registration is performed.

  According to the drip-proof pushbutton switch as shown in FIG. 6, compared with the drip-proof pushbutton switch as shown in FIG. 1 to FIG. . Further, since the configuration is not complicated, it is possible to provide a drip-proof push button switch for an elevator that is reliable in quality. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, still another modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIG. Fig.7 (a) is a front view of the drip-proof pushbutton switch of the elevator which concerns on this modification, FIG.7 (b) is FF of the drip-proof pushbutton switch shown to Fig.7 (a). It is a sectional side view by a line arrow.

  The drip-proof pushbutton switch shown in FIG. 7 uses a differential transformer 23 having a notch 23a instead of using the differential transformer 22 as compared with the drip-proof pushbutton switch shown in FIG. On the back side of the differential transformer 23, an LED substrate 20 on which an LED chip is mounted is provided. In addition, the notch 23a of the differential transformer 23 is wider than the range where the LED on the LED board 20 is lit.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the button 9 made of a translucent material is pressed, the load applied to the spring 4 pushes the button case 21 to the back side (right side in FIG. 7B), and the voltage applied to the differential transformer 23 changes. Then, when the differential transformer 23 detects a change in voltage, the call registration is performed. At this time, the LED substrate 20 on which the LED chip is mounted is turned on, and characters printed on the display member 17 are turned on. At this time, since the shading paint 18 is applied around the button 9, light leakage does not occur. A light guide plate can be used instead of the LED substrate 20.

  According to the drip-proof pushbutton switch as shown in FIG. 7, compared with the drip-proof pushbutton switch as shown in FIG. 1 to FIG. . Further, since the configuration is not complicated, it is possible to provide a drip-proof push button switch for an elevator that is reliable in quality. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, still another modification of the drip-proof pushbutton switch for an elevator according to the present invention will be described with reference to FIG. FIG. 8A is a front view of the drip-proof push button switch of the elevator according to this modification, and FIG. 8B is a GG of the drip-proof push button switch shown in FIG. It is a sectional side view by a line arrow.

  The drip-proof push button switch shown in FIG. 8 is additionally provided with a differential transformer 22 on the back side of the button case 11 made of a light shielding material, compared to the drip-proof push button switch shown in FIG. 2 and FIG. The only difference is that the other configuration is substantially the same as that of the drip-proof push button switch shown in FIGS.

Next, the operation of the drip-proof push button switch having such a configuration will be described.
When the passenger presses the button 9 incorporated in the face plate 1, the back member 10 made of a light shielding material strokes to the back side (the right side in FIG. 8B), so that a part of the upper part of the button case 11 is formed. Light from the outside reaches the window member 12 provided. As a result, the light receiving sensor 8 senses light and an ON signal is emitted from the light receiving sensor 8 to perform call registration. Alternatively, when the passenger presses the button 9, the load applied to the spring 4 pushes the button case 21 to the back side (right side in FIG. 8B), and the voltage applied to the differential transformer 22 changes. Then, when the differential transformer 22 detects a change in voltage, call registration is performed. In the drip-proof push button switch according to this modification, the window member 12 and the light receiving sensor 8 may be disposed below or on the left and right of the button case 11. Further, a plurality of window members 12 may be arranged on a part of the button case 11, and a plurality of light receiving sensors 8 may be arranged so as to correspond to the window members 12. Further, the spring 4 may be disposed at the center of the button case 11.

  In the drip-proof push button switch as shown in FIG. 8, the differential transformer 22 is arranged in addition to the light receiving sensor 8, so that the drip-proof push button switch is externally compared with the drip-proof push button switch as shown in FIG. In a place where it is difficult to sense the light, the differential transformer 22 can sense the light, so that it is possible to provide a drip-proof pushbutton switch for an elevator with further improved quality. Even with the above-described drip-proof push button switch, variations in the design of the button can be provided.

  Next, another modification of the drip-proof pushbutton switch of the elevator according to the present invention will be described. As the drip-proof pushbutton switch of the present invention, each of the drip-proof pushbutton switches as shown in FIGS. You may make it form combining a characteristic. In addition, the above-mentioned drip-proof pushbutton switch has taken measures against the display device supplies on the landing side in each floor of the elevator, A mold push button switch may be applied. In this case, there is no problem even when, for example, a button provided on a display device article in the car room is pressed while the hand is wet.

(A) is a front view of the drip-proof pushbutton switch of the elevator by this Embodiment, (b) is a side cross section by the AA line arrow of the drip-proof pushbutton switch shown to (a). FIG. (A) is a front view of the other drip-proof pushbutton switch of the elevator by this Embodiment, (b) is by the BB line arrow of the drip-proof pushbutton switch shown to (a). It is a sectional side view. It is a sectional side view of a drip-proof pushbutton switch showing a state when the button is pressed from the state shown in FIG. (A) is a front view of still another drip-proof pushbutton switch of the elevator according to the present embodiment, and (b) is a CC line view of the drip-proof pushbutton switch shown in (a). FIG. (A) is a front view of still another drip-proof pushbutton switch of the elevator according to the present embodiment, and (b) is a DD line view of the drip-proof pushbutton switch shown in (a). FIG. (A) is a front view of still another drip-proof pushbutton switch of the elevator according to the present embodiment, and (b) is an EE line arrow view of the drip-proof pushbutton switch shown in (a). FIG. (A) is a front view of still another drip-proof pushbutton switch of the elevator according to the present embodiment, and (b) is an FF line arrow view of the drip-proof pushbutton switch shown in (a). FIG. (A) is a front view of still another drip-proof pushbutton switch of the elevator according to the present embodiment, and (b) is a GG line arrow view of the drip-proof pushbutton switch shown in (a). FIG. (A) is a front view of a conventional drip-proof pushbutton switch of an elevator, and FIG. (B) is a side view of the drip-proof pushbutton switch shown in (a).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Faceplate 2 Button 3 Protrusion 4 Spring 5 Guide 6 Button case 7 Light emission part 8 Light receiving sensor 9 Button 10 Back surface member 11 Button case 12 Window member 13 Light path 14 Protrusion 15 Button case 16 Resettable switch 17 Display device 18 Light shielding paint 19 Button case 19a Notch 20 LED board 21 Button case 21a Notch 22 Differential transformer 23 Differential transformer 23a Notch 24 Push button switch 25 Plate

Claims (7)

An elevator drip-proof pushbutton switch,
Button and
A protrusion provided on the back surface of the button;
A button case for storing the button;
A light emitting unit that emits light and a light receiving unit that receives light emitted from the light emitting unit, provided at a position that sandwiches the protrusion when the button is pressed;
With
A drip-proof push button switch for an elevator, wherein the switch operates when light emitted from the light emitting unit is blocked by the protrusion when the button is pressed. An elevator drip-proof pushbutton switch,
A button made of translucent material,
A back surface member made of a light shielding material provided on the back surface of the button;
A button case that houses the button and is made of a light shielding material, a part of which is provided with a window member made of a translucent material,
A light receiving portion provided near the window member outside the button case, and a light receiving portion that receives external light via the button and the window member when the button is pressed;
With
A drip-proof push button switch, wherein when the button is pressed, the switch is operated by external light reaching the light receiving part through the button and the window member. An elevator drip-proof pushbutton switch,
Button and
A button case for accommodating the button, a button case provided with a notch in a part thereof;
A protrusion provided on the button and protruding outward of the button case through the cutout of the button case;
A return type switch provided outside the button case and in contact with the protrusion when the button is pressed;
With
A drip-proof pushbutton switch, wherein when the button is pressed, the switch is operated by the protrusion coming into contact with the resettable switch. An elevator drip-proof pushbutton switch,
A button made of translucent material,
A button case containing the button and made of a translucent material, a button case provided with a notch in a part thereof,
A protrusion provided on the button and protruding outward of the button case through the cutout of the button case;
A return type switch provided outside the button case and in contact with the protrusion when the button is pressed;
A lighting member provided on the back side of the button case;
A display member provided on the back side of the button, and printed so as to be transparent when the lighting member is lit;
With
A drip-proof pushbutton switch, wherein when the button is pressed, the projection is brought into contact with the resettable switch so that the switch is operated and the lighting member is lit. An elevator drip-proof pushbutton switch,
A button made of translucent material,
A button case for accommodating the button;
A differential transformer that is provided on the back side of the button case and detects that the button is pressed by a change in voltage;
With
When the button is pressed, the button case is pressed to the back side by the pressing load, and the switch operates when the differential transformer detects this by a change in voltage. Mold push button switch. An elevator drip-proof pushbutton switch,
A button made of translucent material,
A button case containing the button and made of a translucent material;
A differential transformer that is provided on the back side of the button case and detects that the button is pressed by a change in voltage;
A lighting member provided on the back side of the differential transformer;
A display member provided on the back side of the button, and printed so as to be transparent when the lighting member is lit;
With
When the button is pressed, the button case is pushed to the back side by this pressing load, the switch is activated when the differential transformer detects this by a change in voltage, and the lighting member is lit. A drip-proof pushbutton switch. An elevator drip-proof pushbutton switch,
A button made of translucent material,
A back surface member made of a light shielding material provided on the back surface of the button;
A button case that houses the button and is made of a light shielding material, a part of which is provided with a window member made of a translucent material,
A light receiving portion provided near the window member outside the button case, and a light receiving portion that receives external light via the button and the window member when the button is pressed;
A differential transformer that is provided on the back side of the button case and detects that the button is pressed by a change in voltage;
With
When the button is pressed, external light reaches the light receiving part via the button and the window member, or the button case is moved to the back side by a pressing load when the button is pressed. A drip-proof pushbutton switch, wherein the switch is activated when the differential transformer detects this by a change in voltage.

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