JP4061369B2 - Push button device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a push button device such as a product selection switch assembled in a vending machine.
[0002]
[Prior art]
As is well known, vending machines are installed not only indoors but also outdoors exposed to wind and rain. Therefore, as a product selection switch, for example, a push button device installed on the front panel of the airframe is required to have sufficient sealing properties so that rainwater or the like does not enter the airframe, particularly the switch portion.
[0003]
Conventionally, a seal structure of a push button device in such a vending machine is disclosed in, for example, Utility Model Registration No. 2506507 (Act No. 63-96530) registered on May 30, 1996. As described above, a sealing means using silicon rubber has been proposed.
[0004]
Japanese Utility Model Laid-Open No. 3-127971 proposes a push button device assembling means for inserting and fixing the rear portion of the switch from the front side of the panel into a panel hole formed in the front panel of the machine body.
[0005]
[Problems to be solved by the invention]
However, the push button device in the above-described conventional vending machine, for example, the push button device described in Utility Model Registration No. 2506507, has a structure in which the push button device is mounted so as to protrude greatly from the front surface of the panel. In recent years, it has been difficult to reduce the depth of the entire aircraft including the push button device under the current situation where the installation of the aircraft on the road is strictly regulated.
[0006]
On the other hand, since the pushbutton device described in Japanese Utility Model Publication No. 3-127971 has an assembly structure in which the rear portion of the switch is inserted and fixed from the front side of the panel, the protruding dimension of the switch forward is reduced. Although it is possible, since the sealing property between the assembly members is poor, there is a problem that rainwater or the like enters the machine body and troubles are likely to occur in the electric system or drive system.
[0007]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a pushbutton device that can reduce the protruding dimension of the front of the fuselage panel while ensuring excellent sealing performance. And
[0008]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a push button device to be installed in a panel hole established in a front panel of the machine body, and the push button device is inserted into the panel hole and the panel hole is inserted. A flange member is integrally formed so as to cover, a button case member opened from the front and rear sides disposed from the front side of the panel, and a front case opening portion of the button case member are arranged to cover from the rear, It has an elastic body whose top surface part can move in the front-rear direction by elastic deformation, and has an operating member that transmits the movement of the top surface part of the elastic body in the front-rear direction to the rear side of the panel on the back side of the elastic body. , outer end of the elastic body, said button case and clamping pieces projecting from the inner periphery of the front opening side of the member, the fitting member is fitted engaging the rear surface opening portion side of the button case member So that it is watertight A front assembly body consisting made a push button operation unit, and the housing member having a circuit board having a switch which is opened and closed by the actuating member, fitting engagement from the panel rear side on the outer periphery of the housing member A rear assembly comprising a fixing member having a U-shaped cross section , and the front assembly is inserted and fitted into a panel hole of the panel through a seal member from the front, and the rear assembly is assembled. Is assembled from the rear side of the panel toward the panel hole, the housing member of the rear assembly is inserted into the outer peripheral portion of the button case member of the front assembly, and is engaged and locked. wherein the sealing member narrowing sandwiched, narrowing sandwiched the panel by said flange member and said stationary member, characterized in that the button casing member is closely fixed from the front side of the panel.
[0013]
In the pushbutton device according to the present invention, the intrusion of rainwater or the like from the front opening side of the button case member and the panel hole is reliably prevented, and the number of parts of the assembly member disposed on the front surface of the panel Therefore, the projecting dimension of the fuselage to the front of the panel can be reduced.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 schematically shows the overall configuration of a vending machine equipped with a push button device according to the present invention. Airframe.
[0015]
A coin insertion slot 4 into which coins or banknotes are inserted is provided at the upper part of the decorative panel 3 of the door 2 that can be opened and closed on the front surface (outer surface) of the machine body 1. A product outlet 6 is provided. In addition, on the inner side of the decorative panel 3 of the door 2, the sales sample products S are displayed in a plurality of stages, and a push button device 10 as a product selection switch is provided for each sample product S for each stage. It is installed in correspondence.
[0016]
As shown in FIGS. 2 to 6, the decorative panel 3 of the door 2 is provided with a plurality of panel holes 7 arranged in parallel in the horizontal direction at each stage, and a push button device 10 is provided in each of these panel holes 7. It is installed.
[0017]
The push button device 10 has a cylindrical button case member 11 inserted corresponding to each panel hole 7, and on the opening end side of the front opening 11 a of each button case member 11, The flange member 12 is integrally formed as an overhang. The flange member 12 is composed of a belt-like plate 121 extending in series along each panel hole 7 of the decorative panel 3. On the back side of the belt-like plate 121, each button case member 11 is formed so as to protrude rearward. Each button case member 11 is formed integrally with the belt-like plate 121, and its surface peripheral portion 12 a of the strip-shaped plate 121 is chamfered in a tapered shape such that the thin as the outer peripheral end portion side.
[0018]
Each of these button case members 11 is inserted into each panel hole 7 from the front of the decorative panel 3 of the airframe 1 through a seal ring P in a watertight manner, and an annular grip is provided on the inner periphery of the front portion. A piece 13 is protruded, and a pair of upper and lower locking holes 14, 14 and 15, 15 are provided on the outer peripheral body portion thereof so as to open to the front and rear portions, respectively.
[0019]
A fitting member 16 is arranged in the button case member 11 by fitting it from the rear side of the decorative panel 3, and a pair of upper and lower check claws 17, 17 are provided on the outer peripheral portion of the fitting member 16. The check claws 17, 17 are detachably locked in locking holes 14, 14 provided corresponding to the button case member 11, so that the fitting member 16 in the button case member 11 can be attached. Assembling is possible, and insertion holes 18, 19, and 19 are provided through the central portion and the left and right portions, respectively.
[0020]
The button case member 11 is provided with a push button operation member 20 in front of the fitting member 16. This push button operation member 20 has an elastic body 21 having a mountain-shaped cross section made of translucent elastic resin such as silicon rubber, and the elastic body 21 is movable in the front-rear direction by its elastic deformation. It is assembled.
[0021]
That is, the elastic body 21 forming the push button operation member 20 has a top surface portion 21a having a flat front surface, and a rod-like operation member 22 formed on the rear surface side so as to extend rearward toward the central portion. A pair of thick-walled light guide members 23A and 23B formed so as to extend to the left and right of the operating member 22 are integrally provided.
[0022]
Actuating member 22 provided on the elastic member 21, while being adapted to be inserted into the center of the insertion hole 18 of the fitting member 16, the both side guide members 23A, 23B are of the fitting member 16 The insertion holes 19 and 19 are inserted into the left and right insertion holes 19 and 19 respectively. In particular, the inner peripheral surfaces of the insertion holes 19 and 19 are around the light guide members 23A and 23B and the light guide members 23A and 23B. And a light-emitting member 32A, 32B, which will be described later, are covered in a cylindrical shape so that the light of the light- emitting member 32A, 32B, which will be described later, can serve as a reflector so as to guide light more efficiently. It is what has become.
[0023]
Further, the outer peripheral edge portion 21 b of the elastic body 21 is fitted from the holding piece 13 protruding from the inner peripheral portion on the front opening 11 a side of the button case member 11 and the rear opening 11 b side of the button case member 11. The fitting member 16 is tightly fixed and assembled so as to prevent rainwater and the like from entering the interior of the decorative panel 3 from the front opening 11a of the button case member 11 by holding the fitting member 16 in a watertight manner.
[0024]
Further, a push button cover 24 made of a transparent hard resin material having a cap shape is provided on the top surface portion 21a of the elastic body 21 forming the push button operation member 20, and the push button cover 24 is formed of a button case. By facing the outside from the front opening 11a of the member 11 and moving it backward against the elastic force of the elastic body 21 by the pressing operation, the actuating member 22 is moved toward the circuit board 30 described later. ing.
[0025]
On the other hand, on the outer peripheral part of the button case member 11, a housing member 25 is inserted and fitted from the rear side of the decorative panel 3, and the rear side inner peripheral body part and the front side outer peripheral body part of the housing member 25 are arranged. a pair of upper and lower check pawl 26 and the counter claw 2 7, respectively. The check claws 26 and 26 of the front outer peripheral body part are detachably engaged with the locking holes 15 and 15 provided in the rear outer peripheral body part of the button case member 11 so that the housing member 25 is fitted. The button case member 11 can be assembled so that the joint member 16 is interposed and located behind the push button operation member 20.
[0026]
A fixing member 28 having a U-shaped cross section is fitted on the outer periphery of the housing member 25 from the rear side of the decorative panel 3, and a locking hole 29 is provided on the upper side of the fixing member 28. The locking hole 29 is detachably locked to a check claw 27 provided on the outer peripheral body of the front side of the housing member 25 so that the fixing member 28 is fitted to the button case member 11 through the panel hole 7. The button case member 11 is sealed by inserting a seal ring P as a seal member into the panel hole 7 at the time of the assembly, and the button case member 11 is attached to the front surface of the decorative panel 3. It is designed to be tightly fixed from the side.
[0027]
Furthermore, the housing member 25 is fixed the fitting is circuitry substrate 30. The circuit board 30 includes a switching circuit 31 in which an operation member 22 provided to extend to the back side of the elastic body 21 of the push button operation member 20 is located, and an elastic body 21 forming the push button operation member 20. Light-emitting members 32A and 32B made of light-emitting diodes (LEDs) are provided in which the provided light guide members 23A and 23B pass through the insertion holes 19 and 19 of the fitting member 16 and correspond to each other.
[0028]
That is, the switching circuit 31 of the circuit board 30 has a conductive portion at the tip of the actuating member 22 that moves backward by pressing the push button cover 24 against the elastic force of the elastic body 21 of the push button operating member 20 (see FIG. (Not shown), the switching circuit 31 is short-circuited and closed, and the release operation by releasing the pressure causes the operating member 22 to elastically return forward so as to be separated from the switching circuit 31. The switching circuit 31 is in an open state.
[0029]
In addition to the switching mechanism that turns on the switch by short-circuiting the switching circuit 31 formed on the circuit board 30 in this way, a mechanically opened / closed switch such as a tact switch is arranged on the circuit board 30. It may be provided and pressed by the operating member 22.
[0030]
Further, the switching circuit 31 and the light emitting members 32A and 32B of the circuit board 30 are connected to a controller (not shown) of the vending machine 1, and display printing indicated by “◯” described later by the controller. The light emitting member 32A corresponding to the display unit 41 of the layer 40 is turned on to display the state in which the product can be sold.
[0031]
On the other hand, the light emitting member 32B corresponding to the display part 42 of the display print layer 40 displayed as “sold out” is turned on to display the unsaleable state of the product. When the light emitting member 32A or 32B is turned on, it is guided toward the top surface portion 21a side of the elastic body 21 of the push button operation member 20 positioned forward through the light guide members 23A and 23B.
[0032]
By the way, as shown in FIG. 2, a display print layer 40 by, for example, print printing is applied to the top surface portion 21a of the elastic body 21 of the push button operation member 20, and this display print layer 40 is provided with one light guide member 23A. And a “sold out” display unit 42 corresponding to the other light guide member 23B. The display portions 41 and 42 are formed by, for example, printing out characters or patterns with black ink and then printing with solid ink with red ink. When one of the light emitting members 32A and 32B is turned on, “Sold out” is displayed in red to indicate whether it can be sold or cannot be sold.
[0033]
In this case, the display printing layer 40 can be printed on the back side of the push button cover 24, and the display unit 41 is printed in a different color such as green and the display unit 42 is red, or The light emitted from each light emitting member 32A, 32B can be color-coded into different emission colors such as green or red. In particular, when the colors of the light emitting members 32A and 32B are different, since the light guide members 23A and 23B are formed corresponding to each other, the light emission color is surely guided to the display units 41 and 42. The colors do not interfere with each other.
[0034]
In order to attach the push button device 10 according to the present invention to the decorative panel 3 of the machine body 1, first, as shown in FIG. 6, first, the push button cover 24 and the push button operation are placed in the button case member 11. After the member 20 and the fitting member 16 are assembled in order from the rear opening 11b side, the front assembly 100 is inserted into the panel hole 7 of the decorative panel 3 through the seal ring P and inserted from the front.
[0035]
On the other hand, after the circuit board 30 is fitted and fixed in the housing member 25 and assembled by the fixing member 28, the rear assembly 200 is assembled from the rear side of the decorative panel 3 toward the panel hole 7. Then, by inserting and fitting the housing member 25 of the rear assembly 200 into the button case member 11 of the front assembly 100, the front and rear assemblies 100, 200 are assembled with the decorative panel 3 in between. It has a configuration that is integrally formed.
[0036]
In the above-described embodiment, the example in which the cap-shaped push button cover 24 is provided on the top surface portion 21a of the elastic body 21 forming the push button operation member 20 has been described. However, the top surface portion 21a is made of hard resin and the elastic body 21. For example, the push button cover 24 can be made unnecessary by forming it integrally or by attaching a hard resin to the surface of the top surface portion 21a.
[0037]
【The invention's effect】
As is clear from the above description, the present invention is a push button device to be installed in a panel hole established in a panel on the front of the machine body, and the push button device is inserted into the panel hole and the panel hole is inserted. A flange member is integrally formed so as to cover, a button case member opened from the front and rear sides disposed from the front side of the panel, and a front case opening portion of the button case member are arranged to cover from the rear, It has an elastic body whose top surface part can move in the front-rear direction by elastic deformation, and has an operating member that transmits the movement of the top surface part of the elastic body in the front-rear direction to the rear side of the panel on the back side of the elastic body. , outer end of the elastic body, said button case and clamping pieces projecting from the inner periphery of the front opening side of the member, the fitting member is fitted engaging the rear surface opening portion side of the button case member So that it is watertight A front assembly body consisting made a push button operation unit, and the housing member having a circuit board having a switch which is opened and closed by the actuating member, fitting engagement from the panel rear side on the outer periphery of the housing member A rear assembly comprising a fixing member having a U-shaped cross section , and the front assembly is inserted and fitted into a panel hole of the panel through a seal member from the front, and the rear assembly is assembled. Is assembled from the rear side of the panel toward the panel hole, the housing member of the rear assembly is inserted into the outer peripheral portion of the button case member of the front assembly, and is engaged and locked. said sealing member narrowing sandwiched, narrowing sandwiched the panel by said flange member and the fixing member, the button casing member since it has closely fixed from the front side of the panel, the front opening side of the button case member and Pa Intrusion of rainwater, etc. through the hole can be reliably prevented, and the opening of the front side of the button case member can be easily and reliably sealed, and there is no need to use an adhesive. Therefore, workability at the time of maintenance such as maintenance inspection and parts replacement can be improved.
[0038]
In addition, since most of the components are stored in the button case member, the number of components of the assembly member disposed on the front surface of the panel is small, and this makes it possible to reduce the projecting dimension of the fuselage to the front of the panel. .
[Brief description of the drawings]
FIG. 1 is an explanatory view showing a state in which an embodiment of a push button device according to the present invention is mounted on a vending machine.
FIG. 2 is a partially enlarged explanatory view of the push button device in part A of FIG.
FIG. 3 is an enlarged cross-sectional view of a main part taken along line II in FIG.
4 is an enlarged cross-sectional view of a main part taken along line II-II in FIG.
FIG. 5 is an enlarged cross-sectional view of a main part taken along the line III-III in FIG.
FIG. 6 is an exploded perspective view of the same.
[Explanation of symbols]
1 Airframe (vending machine)
3 decorative panel 7 panel hole 10 push button device 11 button case member 11a front opening 11b rear opening 12 flange member 12a peripheral portion 13 holding piece 14 locking hole 15 locking hole 16 fitting member 17 check claw 18 insertion hole 19 Insertion hole 20 Push button operation member 21 Elastic body 21a Top surface part 21b Outer peripheral edge 22 Actuating member 23A Light guide member 23B Light guide member 24 Push button cover 25 Housing member 26 Check claw 27 Check claw 28 Fixing member 29 Engagement Stop hole 30 Circuit board 31 Switching circuit 32A Light emitting member (light emitting diode)
32B Light Emitting Member (Light Emitting Diode)
P Seal ring

Claims (1)

It is a pushbutton device to be installed in the panel hole established in the front panel of the aircraft,
The push button device
A button case member that is inserted into the panel hole so as to cover the panel hole and is integrally formed with a flange member, and is opened from the front side of the panel, and a front opening portion of the button case member. Is provided so as to cover from the rear, and the top surface portion is movable in the front-rear direction by elastic deformation, and the movement of the top surface portion of the elastic body in the front-rear direction is performed on the back side of the elastic body. The elastic member has an outer peripheral edge that protrudes from an inner peripheral portion on the front opening side of the button case member, and a rear opening side of the button case member. a front assembly body consisting of push button operation unit configured to watertight manner sandwiched between the fitting member to be fitted engagement from,
Wherein the housing member includes a circuit board having a switch which is opened and closed by the actuating member, the rear assembly member comprising a U-shaped cross section of the fixing member is fitted engagement from the panel rear side on the outer periphery of the housing member And
The front assembly is inserted and fitted into the panel hole of the panel through a seal member from the front, and the rear assembly is assembled from the rear side of the panel toward the panel hole, and the rear assembly The housing member is inserted into and fitted to the outer peripheral portion of the button case member of the front assembly, and is locked. The seal member is inserted into the panel hole , and the panel is fixed by the fixing member and the flange member. sandwiched narrowing, pushbutton device, characterized in that the button casing member is closely fixed from the front side of the panel.

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