JPH0314747Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a push-button switch device for selecting products or denominations, etc. of a vending machine or an automatic money changer (hereinafter referred to as a vending machine, etc.). It is something.

[Conventional technology]

Conventional push-button switch devices for vending machines, etc. have a structure in which a switch is installed at the front of the machine, and a separate push button is installed at the front of the machine, and the switch is activated by operating the push button. In addition, considering that vending machines and the like will be installed outdoors, even if rainwater enters through the hole in the front of the machine where the push button is located, the system is designed to prevent rainwater from entering the switch. Therefore, a separate drainage chute is provided between the push button and the switch.

[Problem that the invention attempts to solve]

However, in the case of the above-mentioned conventional structure, when assembling the push button switch device to the body of a vending machine, etc., the switch and push button must be installed separately, and the drain chute must also be installed separately, making the work cumbersome. Also, even when the switch is in use, rainwater can be prevented from directly entering the switch with a drainage chute, but the humidity inside the switch and the machine will increase, so please check the control circuits, wiring, etc. inside the switch and the machine. Condensation is likely to occur on electrical equipment,
It was causing the malfunction.

The present invention was developed in view of the above points, and in push button switch devices such as vending machines,
The purpose is to facilitate assembly into machines such as vending machines, and to improve the waterproofness of electrical equipment such as switches, control circuits and wiring inside the machines.

[Means for solving problems]

The push button switch device of the present invention for vending machines, etc.
A machine such as a vending machine, for example, consists of an operation panel 61, etc., and a push button switch unit 60 attached to a mounting part 64 of this machine. The switch 7 and an endless projecting edge that has a pushed part such as a holding part 32 protruding forward from the central part of the flat part 31a and that fits into the support frame 1 backward from the peripheral part of the flat part 31a. 35 and an endless protrusion 38 protruding from the outer periphery of the protruding edge 35, the cover body is made of a waterproof elastic body and is attached to the support frame 1 to cover the switch 7 in a waterproof state. 31, and an operating body 51 that is attached to the pressed portion of the cover body 31 and is pressed and operated by the operator.
The switch 7 is provided integrally or separately with the cover body 31 facing the switch 7, and is moved to the switch 7 by the operator's pressing operation to operate the switch 7, and when the pressure is released, the elasticity of the cover body 31 causes the switch 7 to be moved to the switch 7. An actuating portion that moves to return the switch 7, for example, an actuating protrusion 3 formed integrally with the cover body 31.
The mounting section 64 of the machine body has a push button switch unit 60 attached to the rear of the front plate section 68.
A mounting space, for example, recesses 65, 66, etc., is formed in the front plate portion 68, into which the operating body 51 of the push button switch unit 60 is inserted. A drain port 71 is formed in the front plate part 68, and the push button switch unit 6 is formed in the rear part of the front plate part 68.
A sealing portion, such as a protrusion 70, which abuts against the flat surface portion 31a of the cover body 31 of the push button switch unit 60 to keep the inside of the device in a waterproof state is formed. It is characterized in that a protrusion 38 is brought into contact with it.

[Effect]

The push button switch device of the present invention for vending machines, etc.
The support frame 1, the switch 7, the cover body 31, the actuating parts such as the actuating protrusion 33, and the like make up the push button switch unit 6.
0, the switch 7 is waterproofed by the cover body 31, and the push button switch unit 60 is connected to a seal portion such as a protrusion 70 formed on the mounting portion 64 of the machine body such as the operation panel 61 to which the push button switch unit 60 is attached. Front plane part 31a of cover body 31
The inner surface 65a of the mounting space such as the recess 65 of the mounting portion 65 and the protrusion 38 on the outer periphery of the cover body 31 waterproof the inside of the fuselage, and further prevent the operation of the push button switch unit 60. The front plate part 68 of the machine body, such as the operation panel 61, inserted through the body 51
The water that enters through the insertion hole 69 is discharged from the drain port 71.

〔Example〕

An embodiment of a push button switch device for a vending machine or the like according to the present invention will be described with reference to FIGS. 1 to 6.

Reference numeral 1 denotes a substantially rectangular support frame made of synthetic resin, and this support frame 1 has an endless rectangular protrusion 2 on its front surface, and a recess 3 is formed inside this protrusion 2. At the same time, a plurality of locking claws 4 and a plurality of positioning pieces 5 are protruded from the inner surface of the recess 3, and each of the locking claws 4 and each positioning piece 5 allows the rectangular printed wiring board 6 to be held in the recess. A switch 7 and a pair of lamps or LEDs are mounted on the front of this printed wiring board 6.
Display elements 8 and 9 are provided, and
A connector 10 having a plurality of pin contacts is provided on the rear surface, and the switch 7 and each display element 8, 9 are electrically connected to this connector 10.

Fitting grooves 12 are formed on the outer sides of the upper and lower sides of the projecting edge 2 on the front surface of the support frame 1, and a plurality of locking claws are formed on the rear of the support frame 1. 13 is provided protrudingly, and an opening 14 corresponding to the connector 10 is formed.

17 is a rectangular mounting plate, and this mounting plate 17 is
It has a locking hole 18 and an insertion hole 19 for each locking claw 13 and opening 14 of the support frame 1,
By inserting each of the locking claws 13 of the support frame 1 into each of the locking holes 18, it is attached to the support frame 1, and the printed wiring is inserted through the insertion hole 19 through the opening 14 of the support frame 1. It is made to face the connector 10 of the board 6.

Reference numeral 21 denotes a substantially oval shaped light control body made of a synthetic resin having light blocking and light reflecting properties; this light control body 21
has an insertion hole 22 and a pair of light guide holes 23, 24 in the front and back direction corresponding to the switch 7 and each display element 8, 9 of the printed wiring board 6, of which the light guide hole corresponds to the display elements 8, 9. The rear end edges of 23 and 24 are provided to protrude rearward from the rear end edge of the insertion hole 22 corresponding to the switch 7.

Reference numeral 31 denotes a substantially rectangular cover body made of a waterproof and translucent elastic material such as silicone rubber. It has a holding part 32 as a pushed part consisting of a shaped bulge, and an actuating protrusion 33 as an actuating part is provided rearwardly from the inner bottom of this holding part 32. By inserting the light control body 21 into the light control body 32 and inserting the operating protrusion 33 into the insertion hole 22 of the light control body 21, the light control body 21 is elastically positioned and held within the holding portion 32. .

In this embodiment, the light control body 21 can be positioned and held using only the holding part 32, but for example, if the light control body 21 and the holding part 32 are circular, the actuating protrusion 33 may be shaped like a polygon, etc. With this irregular shape, the light control body 21 can be positioned and held using only the operating protrusion 33.

An endless rectangular projecting edge 35 having an outer shape equal to that of the support frame 1 is protruded rearward from the periphery of the flat surface portion 31a of the cover body 31, and the projecting edge 35 is continuous with a rectangular shape. Fitting protrusions 36 are formed on the inner sides of the upper and lower sides to correspond to the fitting grooves 12 of the protrusion 2 of the support frame 1. By elastically fitting the fitting protrusion 36 onto the outer periphery of the edge 2 and elastically fitting the fitting protrusion 36 into the fitting groove 12 of the protrusion 2, the cover body 31 is airtightly fitted to the front surface of the support frame 1. This cover body 31 protects the switch 7 and each display element 8, 9.
The printed wiring board 6 provided with this is waterproofed, and the display elements 8 and 9 are loosely fitted into the light guide holes 23 and 24 of the light control body 21 held by the cover body 31, and the light control body 21 is held by the cover body 31. The tip of the operating protrusion 33 protruding from the insertion hole 22 of 21 faces the switch 7.

Further, on the outer periphery of the protruding edge 35 of the cover body 31, a continuous endless protrusion 38 is provided to protrude slightly larger than the outer diameter of the support frame body 1.

Reference numeral 41 denotes an oval-shaped display board made of a synthetic resin having translucent properties, and the display board 41 has the above-mentioned light control body 2.
A light shielding section 44 is formed by printing or the like, leaving a sales display section 42 consisting of a circular figure corresponding to each of the light guide holes 23 and 24 of 1, and a sale display section 43 consisting of the word "sold out".

Reference numeral 51 denotes a substantially rectangular operating body made of a translucent synthetic resin. The operating section 52 has an oval shaped bulge.
A plurality of protrusions 53 are formed in the front-rear direction on the inner surface of the cover body 3, and when the operating part 52 is fitted to the outside of the holding part 32 of the cover body 3, each protrusion 53 is attached to the holding part 32.
The display board 41 is elastically held by the holding part 32 by being pressed against the outside of the operating part 52, and by inserting the display board 41 into the inner bottom of the operating part 52 in advance
are positioned and held in front of the holding part 32 of the cover body 31 having translucent properties, and the translucent sales display part 42 and sold-out display part 43 of the display board 41 are placed in front of the light control body 21.
The light guiding holes 23 and 24 are opposed to each other.

Therefore, a support frame 1 holding a printed wiring board 6 provided with a switch 7 along with display elements 8, 9, etc., a light control body 21, a display board 41, and an operation body 5 are provided.
1 and a cover body 31 integrally formed with an operating protrusion 33, the push button switch unit 60 is constructed by combining the cover body 31 as one unit by utilizing the elasticity of the cover body 31, Moreover, the switch 7 and each display element 8, 9 are waterproofed by the cover body 31.

Reference numeral 61 denotes a substantially rectangular operation panel made of synthetic resin. This operation panel 61 constitutes a part of the body of the vending machine, and is located at the front of the vending machine, for example, through an opening 63 formed in the door 62. is attached to
It has a plurality of attachment parts 64 on the rear surface.

Each mounting portion 64 of the operation panel 61
, a first recess 65 approximately equal to the outer shape of the support frame 1 and the cover body 31, and a second recess 66 larger than the outer shape of the operating body 51 are connected to a vertical step 67.
It is formed in two stages through the concave portion 6.
5 and 66 are mounting spaces for the push button switch unit 60, and the bottom of the second recess 66, that is, the front plate portion 68 of the operation panel 61, has an insertion space smaller than the outer shape of the operation body 51 and larger than the operation portion 52 of the operation body 51. A hole 69 is formed, and an endless rectangular protrusion 70 is formed in the stepped portion 67 as a sealing portion.
6, that is, below the insertion hole 69, a drain port 71 is formed in the front plate portion 68 in a downwardly sloping shape toward the front.

Then, each mounting portion 64 of the operation panel 61
The push button switch unit 60 connected to the cover body 31 is inserted from the rear into each of the push button switch units 60, and the mounting plate 17 attached to the support frame 1 of the push button switch unit 60 is fixed to the rear surface of the operation panel 61 with screws 75. Accordingly, a plurality of push button switch units 60 are removably attached to the operation panel 61 of the vending machine using the mounting plate 17 and screws 75, and furthermore, the connector 10 of the printed wiring board 6 of each push button switch unit 60 is automatically attached to the operation panel 61 of the vending machine. A connector 76 from a control circuit of the vending machine is connected through the insertion hole 19 of the mounting plate 17 and the opening 14 of the support frame 1.

In this state, the operating part 52 of the operating body 51 of the push button switch unit 60 protrudes freely from the insertion hole 69 of the front plate part 68 of the operation panel 61, and the outer part of the operating body 51 is inserted into the rear surface of the front plate part 68. The operating body 51 does not come into contact with the insertion hole 69 and fall out in front of the insertion hole 69, and furthermore, since the outer side of the operating body 51 faces the ridge 2 of the support frame 1 via the cover body 31, the operating body 51 51 is determined, and the protrusion 38 on the outer periphery of the cover body 31 comes into elastic contact with the inner surface 65a of the first recess 65 of the operation panel 61, and the flat part 31a on the front surface of the cover body 31 elastically abuts against the protrusion 70 of the stepped portion 67 of the operation panel 61, so that the front plate portion 6 of the operation panel 61 from which the operation portion 52 of the operation body 51 protrudes
Even if water enters through the insertion hole 69 of 8, it will be drained out from the drain port 71, not only waterproofing the printed wiring board 6 on which the switch 7 and each display element 8, 9 are installed, but also waterproofing the rear part of the operation panel 61, for example, automatically. It is also possible to ensure the waterproofness of electrical equipment such as control circuits and wiring inside the vending machine.

Then, the operating body 5 of the push button switch unit 60
1, the operation body 51 may be applied with not only a force in the normal pressing direction, that is, a force in the vertical direction, but also a force in an oblique direction. In addition to the elastic contact between the protrusion 70 of the portion 67 and the contact between the protrusion 38 on the outer periphery of the cover body 31 and the first
Since the inner surface 65a of the forward portion 65 is in elastic contact with the inner surface 65a of the retracting portion 65, the interior of the vending machine can be reliably waterproofed even when pressed in various directions. If the cover body 31 is hit hard, the contact between the flat part 31a of the cover body 31 and the protrusion 70 of the operation panel 61 may loosen; Due to the elastic contact between the protrusion 38 and the inner surface 65a of the first recess 65 of the operation panel 61, waterproofness inside the vending machine can be ensured.

Then, when money is put into the vending machine, one display element 8 of the push button switch unit 60 corresponding to the product that can be purchased with that amount of money emits light, and this light is transmitted to one of the light guide holes 23 of the light control body 21 and The sales display section 42 of the display board 41 is irradiated through the holding section 32 of the cover body 31, and the sales display section 42 is illuminated. Select the one corresponding to the desired product and press the operation section 52 of the operation body 51. When you press , cover body 3
The actuating protrusion 33 of No. 1 moves to the switch 7 and actuates the switch 7, thereby stopping the display element 8 of the push button switch unit 60 corresponding to the unselected product and displaying the selected desired product. The dispensing of products starts, and when the products are dispensed,
The display element 8 of the push button switch unit 60 corresponding to the product, which had continued to be lit, also stops emitting light.

At this time, when the pressure on the operating part 52 of the operating body 51 is released, the cover body 31 returns to its original shape due to its elasticity, and its operating protrusion 33
Then move forward and return switch 7.

Further, the other display element 9 of the printed wiring board 6 of the push button switch unit 61 emits light when the corresponding product is sold out, and this light is transmitted to the other light guide hole 24 of the light control body 21 and the holding part of the cover body 31. The sold-out display section 43 of the display board 41 is irradiated via the section 32 .

In this embodiment, the push button switch unit 60 includes display elements 8 and 9, a light control body 21, and a display plate 4.
1 and an operating body 51, etc., but in implementation, one or all of these parts can be omitted, or other parts can be added as necessary, and the support frame 1, The structure and shape of the switch 7 and the cover body 31 can also be changed as appropriate. For example, the actuating protrusion 33 formed integrally with the cover body 31 may also be formed separately from the cover body as an actuating part. It may also be combined with a cover body.

[Effect of idea]

As mentioned above, according to the present invention, the support frame,
Since the switch, the cover body, and the actuating part can be integrated into a unit by utilizing the elasticity of the cover body, a push button switch unit can be created, so the push button switch device can be easily installed in the body of a vending machine or automatic change machine. Even in the event of a breakdown, maintenance is extremely easy as all you have to do is replace the push button switch unit.Furthermore, the switch installed on the support frame is waterproofed by the cover body, and can be used on machines such as vending machines. The internal control circuit and wiring of the push button switch unit are also affected by the contact between the seal part of the mounting part of the machine body to which the push button switch unit is attached and the flat part of the front surface of the cover body of the push button switch unit, as well as the inner surface of the installation space of the mounting part of the machine body. The contact between the push button switch unit and the protrusion on the outer periphery of the cover body makes it waterproof, so there is no need to worry about condensation on the switch, internal control equipment, wiring, or other electrical equipment, and you can reduce breakdowns. When pressing the operating body of the pushbutton switch unit, the operating body may be pressed not only in the normal pressing direction, that is, in the vertical direction, but also in an oblique direction, but there is a difference between the flat part of the front surface of the cover body and the mounting part. In addition to being in elastic contact with the seal part, the protrusion on the outer periphery of the cover body is in elastic contact with the inner surface of the mounting space of the mounting part, so it can withstand pressure in various directions. , the interior of the vending machine can be reliably waterproofed, and the contact between the flat part of the cover body and the seal part of the mounting part may loosen, especially if the operating body is hit strongly. However, even in such a case, the waterproofness of the inside of the vending machine can be ensured by the elastic contact between the protrusion on the outer periphery of the cover body and the inner surface of the mounting space of the mounting part. .

[Brief explanation of drawings]

The figures show one embodiment of the present invention; Fig. 1 is an exploded perspective view of a part of the vending machine, Fig. 2 is an exploded perspective view of the push button switch unit, and Fig. 3 is a part of the vending machine. 4 is a cross-sectional view of FIG. 3, FIG. 5 is a cross-sectional view of FIG. 3, and FIG.
The figure is a partially enlarged view of FIG. 4. DESCRIPTION OF SYMBOLS 1... Support frame body, 7... Switch, 31... Cover body, 31a... Plane part, 32... Holding part as a pushed part, 33... Operating protrusion as an operating part, 35... Projection, 38... Projection, 51... Operation body, 60... Push button switch unit, 61... Operation panel forming part of the body of the vending machine, 6
4... Mounting part, 65, 66... Recessed part as mounting space, 65a... Inner surface, 68... Front plate part, 6
9...Insertion hole, 70...Protrusion as a seal part,
71... Drain port.

Claims (1)

[Claim for Utility Model Registration] Consists of a machine such as a vending machine and a push button switch unit attached to the mounting part of the machine. A pushed part is provided to protrude forward from the central part of the flat part, and an endless protrusion that fits into the support frame is protruded from the peripheral part of the flat part to the rear, and the outer periphery of this protrusion is provided. a cover body made of a waterproof elastic body with endless protrusions protruding from the support frame and waterproofly covering the switch; an operating body that is operated by pressing, and an operating body that is provided integrally with or separately from the cover body facing the above-mentioned switch, which moves to the switch by the operator's pressing operation and operates the switch, and when the pressure is released, the switch is activated by the elasticity of the cover body. and an actuating part for returning the switch by moving from the front plate part, and the mounting part of the machine has a mounting space in the rear of the front plate part in which the push button switch unit is mounted, and an operating part for mounting the push button switch unit in the front plate part. An insertion hole is formed through which the operating body is inserted, and a drainage port is formed in the front plate part located below the insertion hole, and a drain port is formed in the rear part of the front plate part on the flat surface of the cover body of the push button switch unit. A vending machine, etc., characterized in that a seal part is formed to keep the inside of the device in a waterproof state by contacting the push button switch unit, and a protrusion of the cover body of the push button switch unit is brought into contact with the inner surface of the mounting space. Push button switch device.