JP2001243523A - Push button switch and automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To individually correspond to a mechanical failure and an electrical failure and to prevent the occurrence of the failures by daily internal inspection beforehand. SOLUTION: A button frame 2 for holding push buttons 20, 20... and a board frame 3 for holding boards mounting switches are constituted separately. A cover panel 12 as a fitting panel is held from both of its sides and tightly fixed with nut members 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push button switch having a structure in which a switch is operated by pressing a push button, and to a vending machine having the push button switch as a switch for designating a purchased product.

[0002]

2. Description of the Related Art A vending machine widely used as a means of selling various products such as canned beverages, tobacco, magazines, etc. is provided with a charging port and a purchased product on a front panel of a main body housing for storing products for sale. And a display shelf for product samples covered with a cover panel made of a transparent resin such as an acrylic resin, and a product designation switch for designating a purchased product is arranged near the display shelf. Have been. The user, after inserting the required coins or bills into the insertion slot, visually recognizes a product sample displayed on the display shelf, and operates the product specification switch to specify a desired product,
In accordance with the designation, the designated product discharged to the outlet from the inside of the main body casing can be taken out.

[0003] As a product designating switch for a vending machine as described above, a push button switch that is easy to operate is generally used. The push-button switch has a push-button switch on a part of a front panel (including the cover panel) of a main body housing, and a push-button disposed on a rear surface of the front panel while an operation surface thereof is directed to the front. A part of the push button which is moved by the pressing operation is brought into contact with a switch mounted at a corresponding position on the substrate, and the switch is opened and closed.

As this type of push button switch, for example, as disclosed in Japanese Utility Model Laid-Open No. 2-18229 and Japanese Utility Model Publication No. 7-18112, a plurality of push buttons as operating ends are provided. It is widely used that a substrate on which a corresponding switch is mounted is integrally arranged and held on a common frame having a long box shape. In this push button switch, by fixing the peripheral portion of the frame to the back of the front panel as a mounting panel,
The respective push buttons can be mounted so as to be aligned with the product samples in the display shelf, and the mounting work can be easily performed.

[0005] In addition, in a product specifying switch of a vending machine, it is inevitable that troubles caused by various causes such as repeated pressing operation of a user and rainwater entering when used outdoors are unavoidable. If a failure occurs, replacement at the installation site is required. The push-button switches disclosed in Japanese Utility Model Laid-Open No. 2-18229 and Japanese Utility Model Publication No. 7-18112 can be integrally removed from the front panel to flexibly cope with the above-described replacement in the event of a failure. it can.

[0006]

However, malfunctions of the product designation switch include mechanical operation hindrance of the push button due to a messy operation, and electrical failure of the board due to rainwater ingress. On the other hand, in the conventional push button switch, in any case, the entire switch including the push button and the substrate is replaced.
There is a problem that the cost required for replacement increases.

The frame for accommodating the push button and the substrate is fixed to the mounting panel by screwing at a plurality of locations on the peripheral edge portion. The replacement work including the fixing of the switch requires a dedicated tool and a dedicated worker, and there is a problem that it takes time until the problem is solved.

Further, in order to prevent the occurrence of the above-mentioned inconveniences, it is desirable to carry out an internal inspection of the product designation switch in daily maintenance work. Is practically impossible, and it is difficult to prevent the occurrence of a problem beforehand.

The present invention has been made in view of such circumstances, and has a button frame for holding a push button and a board frame for holding a board separately, and a board frame and a button fixed to a mounting panel. By mounting the mounting panel between the frame and
Provide a push button switch that can individually respond to each of a mechanical failure and an electrical failure, and that can prevent the occurrence of the failure by daily internal inspection, and a vending machine using the same. The purpose is to do.

[0010]

According to a first aspect of the present invention, there is provided a push button switch comprising a switch mounted on a substrate to be disposed on one side of a mounting panel, and a switch pressed from the other side of the mounting panel. In a push button switch including a push button that moves to open and close the switch, a board frame that holds the board and is fixed to one surface of the mounting panel, and allows the push button to move freely in the direction of pressing. A button frame for holding the mounting panel between surfaces facing the substrate frame.

According to the present invention, a board frame for holding a board and a button frame for holding a push button so as to be able to be pressed are formed separately. The button frames are opposed to each other from the surface side, and the mounting panel is fixed between the opposed surfaces of the two frames so as to be sandwiched.

A push button switch according to a second aspect of the present invention includes a fixing portion penetrating the substrate frame and having a threaded portion formed on an outer surface of a part of the button frame.
A nut member is provided, which is screwed to a threaded portion on an outer surface of the fixing portion to tighten and fix the board frame and the button frame while holding the mounting panel.

In the present invention, a cylindrical or rod-shaped fixing portion is protruded from a surface of the button frame facing the substrate frame, and this fixing portion is inserted into a hole formed at a corresponding position of the substrate frame. By projecting it to the other side of the board frame, screwing a nut member to the thread formed on the outer periphery of this projection and tightening it to the board frame, both frames are attached to each other and the panel is sandwiched Fix it.

Further, in the push button switch according to the third invention, the fixing portion in the second invention surrounds a holding position of the push button, and is constituted by a partial cylinder with a part of a peripheral surface cut away. According to a fourth aspect of the present invention, in the push button switch according to the fourth aspect of the present invention, the partial cylinder constituting the fixing portion has a wide portion at an upper position and a narrow portion at a lower position when the mounting panel is clamped. It is characterized by the following.

[0015] In these inventions, the fixing portion protruding from the button frame is constituted by arranging a partial cylinder whose peripheral surface is partially cut away so as to surround the holding position of the push button, and comprises a nut member. The button frame and the board frame are securely fixed to each other around the push button and the switch pressed by the push button, and foreign matter such as water enters between the fixed frames. It is blocked by the wide part that becomes the position.

A push button switch according to a fifth invention is characterized in that the nut member in the second invention to the fourth invention is a bottomed cylindrical cap nut, and the push button switch according to the sixth invention is: The nut member according to the fifth aspect of the present invention is characterized in that the nut member is provided with an insertion hole for a tightening tool at a substantially central position on the bottom outer surface.

In the present invention, the nut member for tightening and fixing the button frame and the board frame is formed in a cylindrical shape with a bottom, and by gripping the outer periphery, the tightening and loosening operation by hand can be performed. Unlocking is easily performed without using a special tool. In addition, an insertion hole for a tightening tool is provided on the outer surface of the bottom of the nut member, so that tightening and loosening operations using a dedicated tightening tool are also possible.

A push button switch according to a seventh aspect of the present invention is provided so as to protrude from a surface of the board frame of the first to sixth aspects facing the button frame, and engages with a mounting hole formed in the mounting panel. The mounting panel is provided with an engaging claw for temporarily fixing the substrate frame.

According to the present invention, an engaging claw is protruded from a surface of the board frame facing the button frame, and the engaging claw is pushed into a mounting hole formed in the mounting panel, and is engaged with an inner peripheral edge of the mounting hole. The board frame is temporarily fixed to the mounting panel by the joining procedure.

A push button switch according to an eighth aspect of the present invention is mounted on the surface of the button frame of the first to seventh aspects facing the substrate frame, and seals the space between the button frame and the mounting panel. It is characterized by having.

In the present invention, a sealing member such as an O-ring is mounted on the surface of the button frame facing the substrate frame, and the sealing member seals between the button frame and the mounting panel. Foreign matter is prevented from entering between the button frame and the substrate frame, and at least water is prevented from adhering to the substrate held by the substrate frame, thereby effectively preventing the occurrence of electrical problems.

A push button switch according to a ninth aspect of the present invention is characterized in that a power supply line to the substrate and a receiver for a signal line from the substrate are provided in a part of the substrate frame.

In the present invention, the power supply line and the signal line connected to the substrate are held by the receiver provided on the substrate frame to facilitate the termination of these lines.

In a push button switch according to a tenth aspect of the present invention, the board according to the first to ninth aspects has a plurality of switches mounted thereon, and the board frame also has a mounting portion for the plurality of switches on the board. It is characterized in that a plurality of storage portions to be stored respectively are integrally provided, and the button frame is also integrally provided with a plurality of push button holding portions corresponding to each of the plurality of storage portions.

In the present invention, a board on which a plurality of switches are mounted is held by a board frame, and a plurality of push buttons corresponding to each switch are held by a button frame. A mounting panel is provided between these frames. In the clamped and fixed state, a plurality of push button switches arranged in parallel are integrally formed.

The push button switch according to an eleventh aspect of the present invention is characterized in that the board frame according to the tenth aspect of the present invention includes a holding portion for detachably holding a display plate in each of the plurality of storage portions.

In the present invention, a holding means is provided on a substrate frame provided with a plurality of switch storage sections so as to correspond to each of the storage sections. In a use state in which the button frame is assembled via the panel, the functions assigned to the respective push buttons are individually displayed on the respective display plates.

Further, the vending machine according to the twelfth aspect of the present invention is characterized in that the board frame is fixed to the front panel of the main body housing the product for sale and the button frame is fixed to the front panel. The invention is characterized in that the push button switch according to the eleventh invention is provided as a switch for specifying a purchased product.

In the present invention, a push button switch provided separately with a button frame and a board frame is attached so as to sandwich the front panel of the main body casing between the two frames to constitute a product designation switch of a vending machine. When a malfunction of the switch occurs, the button frame is separated by leaving the board frame on the front panel, and the board held on the board frame and the push button held on the button frame are inspected separately, so that a mechanical malfunction is caused. In addition, it is possible to cope with each of the electric troubles. In addition, at the time of maintenance work, the button frame and the board frame are separated to perform inspection and maintenance of the inside, thereby preventing occurrence of trouble.

In the case where the push button switches according to the second to sixth aspects of the present invention are used, the fixing and release of the button frame and the board frame can be easily realized by the operation of loosening the nut member. Exchange becomes possible.
When the push button switch of the seventh invention is used,
The board frame for holding the board can be temporarily and securely fixed to the front panel, and the button frame can be easily fixed and released. Further, when the push button switch of the eighth invention is used, it is possible to reliably prevent rainwater from entering and to prevent the occurrence of malfunction, and when the push button switch of the ninth invention is used, In addition, the power supply lines and the signal lines to the substrate in the assembling stage can be easily disposed. Further, when the push button switch of the tenth invention is used, designation switches for a plurality of products can be integrally configured, and when the push button switch of the eleventh invention is used, each push button is As assigned functions, item information such as the price, type, and name of the corresponding item can be displayed separately.

[0031]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing the embodiments. FIG. 1 is an external perspective view showing a main part of a vending machine provided with a push button switch according to the present invention.

As shown in the figure, a main body housing 10 for storing commercial products.
The display shelf 13 of the product samples A, A... Can be put on the upper part of the front panel 11 with a cover panel 12 made of transparent resin, and coins and bills can be inserted into the lower part of one side of the cover panel 12. A vending machine 1 for canned beverages is provided by providing a money input port 14 and an outlet (not shown) for purchased goods below the front panel 11.

The push button switch S according to the present invention is provided on the front of the button frame 2 mounted along the lower edge of the cover panel 12 as described later, and each of the product samples A, A... . Are arranged as corresponding to each other, and are used as product specifying switches for specifying a purchased product by pressing these push buttons 20, 20,. The number of push buttons 20, 20 ...
The number is not limited to five as shown, and may be an appropriate number.

On the rear side of the cover panel 12, display plates P, P,... Are disposed above the push buttons 20, 20,. These are arranged inside the display shelf 13 and are provided for displaying information (price, type, name, etc.) relating to the product samples A, A... Assigned to the respective push buttons 20, 20,. The user visually checks the display of the product samples A, A... And the display plates P, P.
After the required coins or bills have been inserted, the user can press the corresponding push buttons 20, 20,.

The push button switch S according to the present invention includes holding means for holding the display plates P, P... Corresponding to the respective push buttons 20, 20,. The display plates P, P,... Are detachable on the back side of the cover panel 12 as a mounting panel, and can be appropriately replaced according to the exchange of the product samples A, A,.

FIG. 2 is an enlarged perspective view showing the vicinity of the mounting position of the push button switch S. As shown in the figure, the push button switch S is located on the front side of the cover panel 12 as a mounting panel.
And a board frame 3 also located on the back side,
The cover panel 12 is sandwiched between them, and as will be described later, cylindrical nut members 4, 4... , 3 are integrally connected. In this figure, the display plates P, P... Are omitted to show the substrate frame 3 on the back side of the cover panel 12.

FIG. 3 is a front view of the button frame 2 and FIG.
Is a rear view of the button frame 2, and FIG.
FIG. 4 is a partially broken plan view of the button frame 2 taken along a line. In these figures, in order to secure the size of each figure, a portion corresponding to the three push buttons 20, 20, 20, including one at the center, is shown.

As shown in the broken portion of FIG. 5, the button frame 2 holds the flat push button 20 between the front plate 2a on the front side and the rear plate 2b on the back side. The push button 20 is formed by sandwiching a spring sheet 20c made of a highly elastic resin material between an outer plate 20a made of a transparent resin material and an inner plate 20b made of a resin material, and integrally forming each other. The peripheral portion of the spring sheet 20c projecting outside the outer plate 20a and the inner plate 20b is clamped between the front plate 2a and the rear plate 2b of the button frame 2, and has an elliptical shape as shown in FIG. The outer plate 20 a is supported in a state where the pressing surface of the outer plate 20 a is projected to the front side of the button frame 2.

When the outer plate 20a is pressed from the front side as shown by the white arrow in FIG. 5, the push button 20 thus supported is accompanied by elastic deformation of the spring sheet 20c. When it moves to the rear side by a predetermined length and the pressing is released, it returns to the original position due to the elasticity of the spring seat 20c. At the center of the spring sheet 20c, a pressing protrusion 20d penetrating the inner plate 20b is provided so as to project therefrom.
At the time of movement by the pressing, a switch 31 described later is pressed.

The illustrated button frame 2 has a front shape in which wide holding portions having shapes corresponding to the push buttons 20, 20,... Are connected by connecting portions narrower than these. However, the shape is not limited to this. The shape of the push buttons 20, 20,... Is not limited to the elliptical shape shown in FIG.

As shown in FIG. 3, the push button 20 is provided with light emitting portions 21 and 22 which emit light when irradiated with light from the inside. The light emitting portions 21 and 22 are formed by coloring corresponding portions of the spring sheet 20c which can be seen through the transparent resin outer plate 20a. As a circular display means, a light-transmitting part at the lower position
Reference numeral 22 denotes a character-shaped display unit that emits light to indicate that the corresponding product is "sold out".

As shown in FIG. 4, the inner plate 20b supporting the inside of the spring sheet 20c has light transmitting windows 23, 24 formed at positions corresponding to the light emitting portions 21, 22, respectively. Department
Light that has passed through the light-transmitting windows 23 and 24 is applied to the light-transmitting windows 21 and 22, respectively. The translucent window 23 at the upper position is
The outer frame is also shown in FIG.

As shown in FIG. 4, on the rear plate 2b of the button frame 2 holding the push buttons 20, 20,... , 20 in the form of a partial cylinder surrounding the holding portion. The fixed cylinder 25 includes a wide portion 25a on the upper side in the mounting state shown in FIG. 2 and a narrow portion 25b on the lower side in the same manner as shown in FIG. As shown, a thread is formed over a predetermined length from the edge.

An O-ring 26 is mounted on the rear plate 2b of the button frame 2 so as to surround the outside of the fixed cylinder 25. The O-ring 26 elastically contacts the cover panel 12 as a mounting panel after the mounting described later,
It functions as a sealing member that seals between them in a liquid-tight manner.

FIG. 6 is a front view of the substrate frame 3 and FIG.
FIG. 8 is a rear view of the board frame 3 and FIG.
FIG. 4 is a partially broken plan view of the substrate frame 3 taken along line II. In these figures, as in the case of FIGS. 3 to 5 showing the button frame 2, in order to secure the size of each figure,
Parts corresponding to the three push buttons 20, 20, 20 on one side are shown.

As shown in FIG. 6, the substrate frame 3 has a front shape in which wide portions corresponding to the holding portions of the push buttons 20, 20,... In the button frame 2 are connected by connecting portions having a narrower width than these. The long substrate 30 is fixed and held so as to bridge over all of them. On the substrate 30, switches 31, 31,... Which are opened and closed by a pressing operation from the front side are mounted substantially at the centers of portions corresponding to the wide portions of the substrate frame 3, respectively. LEDs 32 as light emitting means are provided on the upper and lower sides of the
And two on the lower side.

In the wide portion of the substrate frame 3, there are formed an insertion hole 33 penetrating an upper position of the substrate 30 from front to back and an insertion hole 34 penetrating a lower position from the front to back. Both of the insertion holes 33 and 34 are arc-shaped holes centered on the mounting position of the corresponding switch 31 on the substrate 30 and are formed so as to correspond to the fixed cylinders 25 on the button frame 2 side, respectively. At the time of mounting described later, the wide portion of the fixed cylinder 25
It is used to allow the 25a and the narrow portion 25b to penetrate and protrude to the rear side.

As shown in FIGS. 7 and 8, a cylindrical support cylinder 35 projects from the rear surface of the substrate frame 3 along the inside of the insertion holes 33 and 34. The support cylinder 35 comes into contact with the inside of the wide portion 25a and the narrow portion 25b of the fixed cylinder 25 inserted into the insertion holes 33 and 34, respectively, as described above, and has a function of supporting them to suppress their deformation.

On the rear surface of the substrate frame 3, connectors 36, 36,... These connectors 36, 36 are connected to the switches 31,
31.. And LEDs 32, 32. As shown in FIGS. 7 and 8, receiving plates 37 project from the rear surface of the substrate frame 3 along the lower edges of the wide portions to the rear side. These serve to support the power supply lines and the signal lines connected to the connectors 36, 36,..., And the ends of the power supply lines and the signal lines are connected to the board frame 3 along the receiving plates 37, 37,. It can be easily done by leading to one side.

On the front surface of the substrate frame 3, engaging claws 38 are provided at one end in the longitudinal direction of the wide portion at one end and on both sides in the longitudinal direction of the central wide portion, respectively. Have been.
As shown in FIG. 8, these engaging claws 38 are formed by bending the tip of a flexible thin plate into an outward hook shape at a position corresponding to the outer diameter of the fixed cylinder 25. The cover panel is used as a mounting panel for the mounting described later.
12 is used to temporarily fix the substrate frame 3 to the cover panel 12.

Further, the substrate frame 3 has holding pillars 39, 39 at the upper central part of each connecting part and at the upper part of one side of the wide part at the end.
… Stands upright. Each of the holding columns 39, 39,... Has vertically extending slots formed on side surfaces facing each other, and the slots are formed in these slots.
.. Function as holding means for holding the corresponding display panels P, P. FIG.
During, there is shown a single display panel P, the lower edge of the display panel P, notches P ₁ semicircular corresponding to the upper half of the wide portion is formed, in Fig. display panel P to the corresponding holding column 39 is inserted to the side edge as shown by arrow is stably hold the P ₁ the notch is supported by the wide portion.

FIG. 9 is an explanatory diagram of a procedure for mounting the push button switch S according to the present invention. As shown in the figure, a mounting hole 12a having an inner diameter through which the fixed cylinder 25 can be inserted is formed at a position corresponding to each push button 20 on the cover panel 12 serving as a mounting panel. When installing the switch S, first install the cover panel
The substrate frame 3 is temporarily fixed to the back of the substrate 12.

As shown in the drawing, the temporary fixing is performed by causing the mounting surface of the substrate 30 to face the back surface of the cover panel 12 and inserting the engaging claws 38 projecting from the facing surface into the mounting holes 12a. This is achieved by engaging the inner edge of the mounting hole 12a as shown by the arrow in FIG. As shown in FIG. 8, a plurality of engaging claws 38 are projected from the center and both ends of the substrate frame 3, and the substrate frame 3 has a plurality of mounting claws 38, 38. The temporary fixing performed by engaging with the cover 12a allows the cover panel 12 to be correctly fixed to the rear surface. FIG. 8 shows a cover panel illustrated by a two-dot chain line.
The state of engagement of the respective engagement claws 38 with the 12 is shown.

The engaging claws 38 are formed at the tip of a flexible thin plate.
.. Are aligned with the corresponding mounting holes 12a, 12a, and are easily realized by pressing the substrate frame 3 from the rear side. The fixed board frame 3 can be easily removed from the front side of the cover panel 12 by releasing the engagement of the engaging claws 38.

Next, the button frame 2 is opposed to the front of the cover panel 12, and the fixed cylinder 25 protruding from the opposed surface is inserted through the mounting hole 12a. The distal end of the fixed cylinder 25 projects through the insertion holes 33 and 34 (see FIG. 10) formed in the temporarily fixed substrate frame 3 to the rear surface of the substrate frame 3. The nut member 4 is screwed into a screw portion formed on the outer periphery, and the nut member 4 is fastened to the back surface of the substrate frame 3. As a result, the button frame 2 is fixed with the cover panel 12 sandwiched between the button frame 2 and the board frame 3. At this time, the button frame 2 and the substrate frame 3 are integrated with each other as a support, and as shown in FIG. 2, are correctly fixed at a predetermined position of a cover panel 12 as an attachment panel.

The nut member 4 is a large-diameter, bottomed cylindrical member having a threaded portion on the inner surface as shown in the figure, and a plurality of ridges 40, 40,. Have been. Such a tightening and loosening operation of the nut member 4 can be realized by hand-grip by grasping the outer periphery, and the mounting and the removal in the reverse order can be easily performed without using a dedicated tool. It is.

The holding column 3 provided on the substrate frame 3
Are positioned close to the back surface of the cover panel 12 by the attachment described above. Therefore, the adjacent holding columns 39,
The display panel P inserted and held between 39 as described above is shown in FIG.
Each push button 2 is located on the back side of the cover panel 12 as shown in
., And the display of the price, type, name, etc. of the product assigned to each of the push buttons 20, 20,.

FIG. 10 is a longitudinal sectional view showing a mounted state of the push button switch according to the present invention. By the mounting described above, the switch 31 mounted on the board 30 contacts the pressing protrusion 20d protruding from the center of the back of the push button 20, and the LEDs 32, 32 also mounted on the board 31 To the light-transmitting windows 23, 24. Such contact and alignment are reliably achieved because the fixed cylinder 25 is configured as a cylinder surrounding the push button 20.

Therefore, when the push button 20 is moved by the pushing operation, the switch 31 is pushed by the pushing projection 20d to be surely opened and closed, and the light emitting portions 21 and 22 provided on the operating surface of the push button 20 are turned on. The LEDs 32, 32 emit light through the light-transmitting windows 23, 24, respectively, so that light emission is displayed.

The O-ring 26 attached to the rear plate 2b of the push button 2 comes into close contact with the surface of the cover panel 12, as shown in the figure, to prevent rainwater from entering when used outdoors. it can. Further, the fixed cylinder 25 has a wide portion 25a at an upper position thereof, and even when rainwater enters, the wide portion 25a functions to prevent the substrate 30 from entering the installation chamber, and electrical It is possible to prevent the occurrence of a serious problem beforehand. Further, the fixed cylinder 25 to which the nut member 4 is tightened is a partial cylinder in which a part of the peripheral surface is notched. When the fixed cylinder 25 projects to the rear surface of the substrate frame 3, the support cylinder 35 protruded from the rear surface as described above. As a result, the nut member 4 is supported from the inside, and the possibility of damage due to the tightening of the nut member 4 can be reduced.

As shown, an insertion hole 41 for inserting a tightening tool such as a hexagon wrench is formed in the axial center of the bottom outer surface of the nut member 4. The insertion hole 41 enables the use of a power tool at the time of assembling, improves the assembling efficiency, and is used when the tool is used to assist the loosening operation of the nut member 4 which is tightly fastened.

In the above embodiment, an example of application as a product specifying switch in the vending machine 1 in a can has been described. However, the push button switch S according to the present invention is used for automatic vending of other products. Needless to say, it can be applied to machines. Further, the applicable range of the push button switch according to the present invention is not limited to the vending machine, and it is needless to say that the push button switch can be used for other uses such as an operation switch of various control bases.

[0063]

As described above in detail, in the push button switch according to the first invention of the present invention, the board frame for holding the board and the button frame for holding the push button so as to be able to be pressed are formed separately. Since the mounting panel is fixed so that both sides of the mounting panel are sandwiched, it is possible to individually respond to mechanical and electrical problems by replacing the button frame or the board frame, and daily internal inspection is easy. It is possible to prevent various troubles from occurring.

In the push-button switches according to the second to sixth aspects of the present invention, it is possible to easily mount and remove the board frame and the button frame with proper alignment, and to quickly solve the problem. It is possible to do.

In the push button switch according to the seventh aspect of the present invention, the board frame is securely temporarily fixed to the mounting panel by a procedure in which the engaging claw protruding from the board frame is engaged with the mounting hole formed in the mounting panel. And attachment and detachment can be easily performed.

In the push button switch according to the eighth aspect of the present invention, it is possible to prevent rainwater from entering between the button frame and the mounting panel, and to prevent the occurrence of electrical trouble due to the entry. can do.

In the push-button switch according to the ninth aspect of the present invention, the power supply line and the signal line connected to the substrate are held by the receiver, so that these lines can be easily disposed.

In the push button switch according to the tenth aspect of the present invention, the board on which the plurality of switches are mounted is held on the board frame, and the plurality of push buttons corresponding to the respective switches are held on the button frame. In the fixed state with the mounting panel sandwiched between,
A plurality of push button switches arranged in parallel can be integrally formed.

Further, in the push button switch according to the eleventh aspect of the present invention, since the holding means for the display panel is provided on the substrate frame having the plurality of switch storage portions, each of the push button switches can be used in the state where the button frame is assembled via the mounting panel. With the display plate, the function assigned to each push button can be individually displayed.

Further, in the vending machine according to the twelfth aspect of the present invention, since the push button switch as described above is provided as a switch for designating a purchased product, it is possible to promptly cope with a failure of the switch. The present invention has excellent effects, for example, it is possible to prevent the occurrence of a defect beforehand.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a main part of a vending machine provided with a push button switch according to the present invention.

FIG. 2 is an enlarged perspective view showing the vicinity of a mounting position of a push button switch.

FIG. 3 is a front view of a button frame.

FIG. 4 is a rear view of the button frame.

FIG. 5 is a partially broken plan view of the button frame taken along line VV of FIG. 3;

FIG. 6 is a front view of the board frame.

FIG. 7 is a rear view of the board frame.

8 is a partially broken plan view of the substrate frame taken along line VIII-VIII in FIG.

FIG. 9 is an explanatory diagram of a mounting procedure of the push button switch according to the present invention.

FIG. 10 is a vertical cross-sectional view showing a mounted state of the push button switch according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vending machine 2 Button frame 3 Board frame 4 Nut member 12 Cover panel (mounting panel) 20 Push button 25 Fixed cylinder 26 O-ring 30 Board 31 Switch 37 Receiving plate 39 Holding pillar S Push button switch P Display panel

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoshi Hishitani 4-5-2-5 Takaidahondori, Higashiosaka-shi, Osaka Matsushita Refrigeration Machinery Co., Ltd. 2-5, Matsushita Refrigeration Co., Ltd. F-term (reference) 3E044 AA01 BA01 BA02 CA02 EA03 EA08 EA12 EA20 EB01 EB02 FB02 FB20 5G006 AZ09 CD03 DD05 JA01 JA02 JB03 JF01 LD02

Claims (12)

[Claims] 1. A push button switch comprising: a switch mounted on a substrate to be disposed on one side of a mounting panel; and a push button for moving the switch by pressing from the other side of the mounting panel to open and close the switch. A substrate frame that holds the substrate and is fixed to one surface of the mounting panel; and holds the push button movably in the direction of the pressing, and sandwiches the mounting panel between surfaces facing the substrate frame. And a push button switch. 2. The button frame is provided with a fixing portion that penetrates the substrate frame and has a threaded portion formed on an outer surface thereof, and is screwed to a threaded portion on an outer surface of the fixing portion. 2. The push-button switch according to claim 1, further comprising a nut member for tightening and fixing the board frame and the button frame while holding the mounting panel. 3. The push button switch according to claim 2, wherein the fixing portion surrounds a position where the push button is held, and is configured by a partial cylinder having a part of a peripheral surface cut away. 4. The push button switch according to claim 3, wherein the partial cylinder constituting the fixing portion has a wide portion at an upper position and a narrow portion at a lower position when the mounting panel is clamped. . 5. The push button switch according to claim 2, wherein said nut member is a bottomed cylindrical cap nut. 6. The push button switch according to claim 5, wherein the nut member has an insertion hole for a tightening tool at a substantially central position on an outer surface of the bottom. 7. A member that protrudes from a surface of the substrate frame facing the button frame, engages with a mounting hole formed in the mounting panel, and temporarily fixes the substrate frame to the mounting panel. 7. The push button switch according to claim 1, further comprising a dovetail. 8. The sealing device according to claim 1, further comprising a sealing member mounted on a surface of the button frame facing the substrate frame and sealing a space between the button frame and the mounting panel. Push-button switch. 9. The push-button switch according to claim 1, wherein a power supply line to said board and a receiver for a signal line from said board are provided in a part of said board frame. 10. The board has a plurality of switches mounted thereon, the board frame integrally includes a plurality of storage sections for respectively storing mounting portions of the plurality of switches on the board, and the button frame has The push button switch according to any one of claims 1 to 9, wherein a plurality of push button holding portions respectively corresponding to the plurality of storage portions are integrally provided. 11. The push button switch according to claim 10, wherein said substrate frame includes a holding portion for detachably holding a display plate in each of said plurality of storage portions. 12. The push-button switch according to claim 1, wherein the board frame is fixed on the front panel of the main body housing for storing the commercial product and the button frame is fixed on the outside. A vending machine equipped as a switch for designating purchased products.