JP2533379Y2 - Push button switch device for vending machines, etc. - Google Patents

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 device for selecting a product or a denomination of a vending machine or an automatic exchange machine (hereinafter referred to as a vending machine, etc.).

[0002]

2. Description of the Related Art Conventionally, in a push button switch device, in order to arrange a plurality of push button portions according to user needs and product types, a support frame body of the push button switch device is connected in a cascade, and a vending machine is used. And so on. A conventional push button switch device of this type will be described with reference to the drawings. FIG. 4 shows the supporting frames of the conventional push button switch device A, in this case, the connecting portion of the supporting frame 21 and the cap 31. FIG. 5A shows the state of the connecting in the device viewed from the front side. FIG. 5 (b) shows a state in which it is viewed from the back side. FIGS. 6A, 6B, and 6C show a front view, a back view, and a side view of the same device in a connected state, respectively. In these figures, a push button switch device A is a support frame 21 (hereinafter referred to as a case) made of a material such as plastic.
And a support member 24 (hereinafter, referred to as a base), which is disposed inside the case 21 and has a structure for attaching to a machine such as a vending machine, which is made of a material such as plastic. At the end of the case 21, a concave portion 41 for connecting the cap 31 is formed by the case 21 and the base 24. A convex portion for fitting into the concave portion 41 is formed on the cap 31 side, and the connecting portion 51 is formed on the convex portion.
Are formed. The connecting portion 51 engages with the protrusion 61 formed in the concave portion 41 of the case 21 by elastic force, and connects the case 21 and the cap 31. In this manner, the case and the base constitute a concave portion, and the concave portion is fitted to another case or the convex portion of the cap as described above, so that the push button switch devices are connected in a multiple manner. There is something.

Next, another conventional push button switch device will be described with reference to the drawings. 7A and 7B show a connection portion between a conventional push button switch device B and a cap 71. FIG. 8A shows a state of the connection in the device when viewed from the front side, and FIG. It shows the state as seen from. FIGS. 9A, 9B, and 9C show a front view, a back view, and a side view, respectively, of the apparatus in a connected state. In these figures,
The push button switch device B is composed of a case 81 made of a material such as plastic, and a base 91 made of a material such as plastic that fixes the case 81 and has a structure for attaching to a machine such as a vending machine. The end of the base 91 is processed so that the connecting portion 72 formed on the convex portion of the cap 71 is fitted, and forms a concave portion 101 for coupling with the case 81. An undercut portion is formed in the connecting portion 72 in the vertical and horizontal directions with respect to the cap 71. The end portion of the base 91 is also formed with an undercut portion corresponding to this. As described above, there is a case where the push button switch device is connected in a multiple manner by fitting the concave portion 101 to another case or the convex portion of the cap as described above.

[0004]

By the way, when a plurality of push button portions are formed by connecting the switch devices in a multiple series by fitting the concave and convex portions of the push button switch device, a certain degree of connection strength is required. Required. However, the recess for connection in the above-described conventional push-button switch device is merely a space formed by a support frame (case) and a support member (base) that constitute the switch device. For this reason, there is a problem that the connection strength is weak at the coupling portion with respect to a force perpendicular to the length direction of the push button switch device. Further, since the connecting portion is constituted by the support frame and the support member, in a push button switch device having a different length,
The support member must be manufactured each time according to the length of the support frame. In addition, the production of the undercut portion at the joint has a problem that the mold becomes complicated and the production cost increases.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and forms a connecting portion that is elastically connected only by a support frame (case) of a push-button switch device, and a base for forming the connecting portion. There is no need to use any members, and even if the support frames are connected in a cascade to form push-button switch devices having different lengths, the base can be used even when support frames having different lengths are used. The members can be shared, and
It is an object of the present invention to provide a push-button switch device for a vending machine or the like in which a mold can be simple, cost can be reduced, and a connection structure is simple and connection strength is large.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a circuit board on which an open / close switch is mounted, and a support frame including the structure for mounting the circuit board on an airframe such as a vending machine. In a push button switch device such as a vending machine having a body and a push button portion attached to the support frame and driving a contact point of the open / close switch, the support frame is long and is adjacent to both ends. It has a structure that is connected in a row with a connection portion with a support frame, the connection portion has a concave shape on one side and a convex shape on the other side, and has an inner wall surface of the concave portion and an outer wall surface of the convex portion. A protrusion and a corresponding groove are formed in a direction perpendicular to the length direction, and the concave portion and the convex portion extend over the latter wall portion by expanding the former wall portion during the fitting operation. It is configured to be fitted It is.

[0007]

According to the above arrangement, when connecting a plurality of switch devices by connecting the supporting frames of the push button switch device, the outer wall of the convex portion on one side of the connecting portion of the supporting frame is
The inner wall of the concave portion on the other side is expanded and fitted. At this time, the groove formed in the direction perpendicular to the length direction of the outer wall surface of the convex portion is fitted to the projection formed in the direction perpendicular to the length direction of the inner wall surface of the concave portion.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A push button switch device for a vending machine or the like according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a coupling portion between the push button switch device C and the cap 11 of the present device. FIG. 2A shows a state of coupling in the device as viewed from the front side, and FIG. This shows a state viewed from the back side. In these figures, a case 1 as a support frame is formed in a substantially rectangular shape and a long shape by a synthetic resin or the like. A plurality of oblong windows 1a are formed on the front surface of the case 1, and a push button portion 3 for operating a push button switch is guided and provided in the window 1a so as to be freely retractable. The push button portion 3 is formed of a light-transmitting synthetic resin material or the like, and its peripheral portion is guided by a window portion 1a formed on the front surface of the case 1 so that the push button portion 3 can be moved by a pressing operation from the outside. Has become.

A base 4 serving as a support member is locked inside the case 1.
A light source and a circuit board, such as LEDs (light emitting diodes) (not shown), are provided at regular intervals. Further, a concave portion 5 for coupling with the cap 11 or another push button switch device is formed at one end of the case 1. The concave portion 5 is constituted only by the case 1, and a projection 6 is formed on an inner wall thereof in a direction perpendicular to the length direction of the device C. A groove 17 is formed on the outer wall of the cap 11 so as to correspond to the projection 6. Further, a protrusion 7 for engaging with a groove 15 formed in the cap 11 is formed at the tip of the case 1 forming the concave portion 5.

The connection completed state of the push button switch device having the above configuration will be described with reference to the drawings. (A), (b),
(C) shows a front view, a back view, and a side view of the same device in a state where the connection is completed. In FIG.
Part of the outer wall of the case 1 is fitted while deforming the inner wall of the concave portion 5 of the case 1. Then, as shown in FIG. 3B, the case 1 returns to its original shape by its own restoring force, and the connection is completed. When the connection is completed, the protrusion 6 on the inner wall of the concave portion 5 and the groove 17 on the outer wall of the cap 11 are formed.
However, the projection 7 at the tip of the case 1 and the groove 15 of the cap 11 engage with each other. Thereby, it is possible to perform a strong connection with respect to the force in the length direction of the device C and the direction perpendicular to the length direction of the device C.

The cap 11 is configured to be easily removed by deforming the projection 7 at the tip of the case 1 outward. As shown in FIG. 2 (b) and FIG. 3 (b), the cap 11 is formed so as to have a lower surface 15a when being combined with the case 1.
When a jig or the like is put on this surface 15a and pryed, the projection 7 on the case 1 side expands, and the cap 11 comes off.

As described above, the push-button switch device C does not require the concave portion 5 for coupling to be formed by the case and the base as in the prior art, but the case 1 that constitutes the device C.
, The connection strength is high. Also,
Even if the cases 1 are connected in multiples in order to form pushbutton switch devices having different lengths, the base 4 can be shared, so that the cost can be reduced. In addition, since no undercut portion is formed at the joint, the mold can be simplified. The present invention is not limited to the above embodiment, and various modifications are possible.
In the above description, the coupling between the case 1 and the cap 11, which are the supporting frames, has been described.

[0013]

As described above, according to the present invention, the connecting portions (concavo-convex portions) at both ends of the support frame (case) constituting the push button switch device are formed only by the support frame. The strength at the time of connection can be increased as compared with the case where the connection portion is formed by the support frame and the support member (base). Thereby, it is not necessary to use the base member to form the coupling portion, and furthermore, in order to configure the push button switch devices having different lengths, even if the support frame body may be connected in multiple units, The base can be shared even when the connection is made in the same manner using support frames having different lengths. Further, since no undercut portion is formed in the joint portion and the base is shared, the number of molds can be simplified and reduced in number, and cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a rear view showing a coupling portion between a support frame (case) and a cap in a push button switch device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state of connection in the present apparatus;
(A) is a perspective view seen from the front side, (b) is a perspective view seen from the back side.

FIGS. 3A and 3B are diagrams showing a connection completed state of the present apparatus, wherein FIG. 3A is a front view in the connection completed state, FIG. 3B is a rear view in the connection completed state, and FIG. 3C is a side view in the connection completed state. It is.

FIG. 4 is a rear view showing a joint between a support frame and a cap in a conventional push button switch device.

FIG. 5 is a perspective view showing a state of connection in the device.
(A) is a perspective view seen from the front side, (b) is a perspective view seen from the back side.

FIGS. 6A and 6B are diagrams showing a completed connection state of the apparatus, wherein FIG. 6A is a front view in the completed connection state, FIG. 6B is a rear view in the completed connection state, and FIG. 6C is a side view in the completed connection state. It is.

FIG. 7 is a rear view showing a coupling portion between a support frame and a cap in a conventional push button switch device.

FIG. 8 is a perspective view showing a state of connection in the device.
(A) is a perspective view seen from the front side, (b) is a perspective view seen from the back side.

9A and 9B are diagrams showing a connection completed state of the device, wherein FIG. 9A is a front view in the connection completed state, FIG. 9B is a rear view in the connection completed state, and FIG. 9C is a side view in the connection completed state. It is.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support frame (case) 3 Push button part 4 Support member (base) 5 Concave part 6,7 Projection 15,17 Groove part

Claims (1)

(57) [Scope of request for utility model registration] A circuit board on which an open / close switch is mounted;
A vending machine including a support frame in which the circuit board is housed and including a structure for mounting to an airframe such as a vending machine, and a push button mounted on the support frame and driving a contact point of the open / close switch. In the push-button switch device, the support frame has a structure in which the support frame is long and is connected in a line with a connection portion with a support frame adjacent to both ends, and the connection portion is concave on one side and convex on the other side. A projection, and a groove and a groove corresponding thereto are formed on each of the inner wall surface of the concave portion and the outer wall surface of the convex portion in a direction orthogonal to the length direction,
A push button switch device for a vending machine or the like, characterized in that the concave portion and the convex portion are configured to be fitted over the latter wall portion by expanding the former wall portion during the fitting operation.