JPH05120539A - Theft prevention structure of automatic vending machine - Google Patents

Abstract

PURPOSE:To provide the theft prevention structure of an automatic vending machine in which the structure is simple, the cost is low-priced and there is the certainty at the action. CONSTITUTION:A little in the lower direction of a merchandise removing port 6, a rotary shaft 8a is supported approximately horizontally, a discharging suppressing plate 8 is provided, and at the partial section of a chain 16 to elevate a bucket 12, a shutter 22 which when the bucket 12 is at the lower waiting position, is located at the back of the merchandise removing port 6 and when the bucket 12 is moved to the back of the merchandise removing port 6, is located at the place dislocated from the back of the merchandise removing port 6 is provided. Thus, at the time of waiting for selling, the discharging of a removing door 7 can be prevented approximately completely, the contact of the removing door 7 and the shutter 22 at the time of transporting the merchandise can be prevented by the discharging suppressing plate 8, and the bucket 12 can be smoothly elevated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-theft structure for a vending machine having a mechanism for transporting a product carried out below a product outlet to the product outlet.

[0002]

2. Description of the Related Art Conventionally, an automatic vending machine of this type is known, for example, the one proposed in Japanese Utility Model Application No. 1-129578. This vending machine is provided with a so-called elevator mechanism which is provided with a product outlet in the substantially vertical center of the outer door and conveys a product carried out below the product outlet to the product outlet. There is. Further, an anti-theft door as shown in, for example, Japanese Utility Model Laid-Open No. 62-175379 is attached to the inside of the product take-out port, and the anti-theft door has a dedicated drive mechanism interlocking with the take-out of the product. The drive mechanism is designed to open and close.

[0003]

However, in the above-mentioned anti-theft structure of the conventional vending machine, since the anti-theft door having the dedicated drive mechanism is attached, the cost is high and the installation space for the anti-theft door is high. Due to this, there was a problem that the vending machine body was enlarged. Further, since the drive mechanism of the anti-theft door operates via a proximity switch, an electric control circuit, etc., the structure is complicated and it easily breaks down, and there was some concern about reliability.

In view of the above problems, an object of the present invention is to provide an anti-theft structure for a vending machine, which has a simple structure, a low cost, and a reliable operation.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention has a product outlet provided on an outer door, which has a rotary shaft pivotally supported substantially horizontally at an upper edge thereof, and A takeout door that can be opened only inside, a chain that runs up and down along the inner surface of the outer door with a predetermined distance from the inner surface of the outer door, and a bucket that moves up and down by the chain In the anti-theft structure of the vending machine, in which the goods carried out below the product take-out port are housed in the bucket and conveyed to the product take-out port, the upper end of the chain is provided with the product. It is located higher than the upper end of the take-out port, is located behind the product take-out port when the bucket is in the lower standby position in a part of the chain, and the bucket moves behind the product take-out port. When it is done, it is located in a place off the back of the product outlet. And a width corresponding to the width of the take-out door and a predetermined length, and is axially supported at one end in the length direction slightly below the merchandise take-out port. And an opening restraint plate having a rotating axis,
The anti-theft structure of a vending machine is proposed, which is provided with a rotation restricting means for restricting the rotation range of the opening restraint plate from a range right above to a horizontal position.

[0006]

According to the present invention, when the bucket is at the lower standby position, the product outlet closing member is located behind the product outlet, and the opening restraint plate is in a state in which the pivot shaft is located downward. It is sandwiched between the take-out door of the product take-out port and the product take-out port closing member. As a result, the opening of the ejection door is suppressed. When the bucket moves up and moves to the back of the product outlet, the product outlet closing member moves down together with a part of the chain and moves to a position separated from the product outlet. .. In this state, when the opening restraint of the takeout door is released and the takeout door is pushed inward, the open restraint plate is pushed by the takeout door to rotate inward, and the open restraint plate is restricted in rotation. It is supported in a substantially horizontal state by means. This closes the gap between the lower end of the product outlet and the front edge of the bucket. When the product is taken out of the bucket and the take-out door is closed, the bucket is lowered. Along with this, the product outlet closing member rises together with a part of the chain, and the opening restraint plate is pushed up by the upper edge of the product outlet closing member, and the open restraint plate rotates upward. To do.
After that, when the product outlet closing member stops behind the product outlet, the opening prevention plate is positioned between the takeout door and the product outlet closing member in a state in which the pivot shaft is located below. Sandwiched between.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view of a vending machine according to the present invention, FIGS. 2 and 3 are partially cutaway side views showing essential parts of one embodiment, and FIG. 4 is a front view of an elevator mechanism in one embodiment. 5 is an enlarged side view of a main part of one embodiment. In the figure, 1 is a main body of an automatic vending machine having an opening on the front surface (hereinafter, referred to as a main body).
A product storage room 2 and a machine room 3 are vertically formed inside the product storage room 2, and the product A stored in, for example, a serpentine rack is stored in the product storage room 2. An elevator mechanism 4 is provided on the front side of the product storage room 2.

An outer door 5 is attached to the front opening of the main body 1, one end of which is rotatably supported. A product take-out port 6 is provided at a substantially central portion in the vertical direction of the outer door 5, and a take-out door 7 is provided at the product take-out port 6. The take-out door 7 has a rotary shaft 7a at its upper edge, and the rotary shaft 7a
Is pivotally supported on the outer door 5 almost horizontally. Further, the lower end 7b of the takeout door 7 is closed when the takeout door 7 is closed.
The extraction door 7 can be opened only inside the outer door 7 by abutting on the inner surface of the outer door 7.

Reference numeral 8 denotes an opening restraining plate, which is made of, for example, a hard resin plate, has a smooth surface, has a width corresponding to the width of the take-out door 7 and a predetermined thickness, and as shown in FIG. At one end in the length direction, there is a rotating shaft 8a that is supported substantially horizontally below the product outlet 6. In addition, the release prevention plate 8
Is set to a length such that the other end is located slightly rearward of the front edge of the chain 16 to be described later in a state where the release inhibiting plate 8 is substantially horizontal. Further, the rotation shaft 8a is provided with a spring 8b for urging the opening restraining plate 8 in the clockwise direction in FIG. 5, and the other end in the length direction of the opening restraining plate 8 is chamfered to form a curved surface. It is formed into a shape.

Reference numeral 9 denotes an inner door made of a heat insulating wall, which is a product storage room 2
It is attached to the front of the so that it can be opened and closed. A product outlet 10 is provided below the inner door 9, and a rotatable shield plate 10a is attached to the product outlet 10. Further, at the back of the product carry-out port 10, there is arranged a delivery shoot 11 which is inclined downward in the forward direction, and the product A dropped from the serpentine rack onto the delivery suit 11 is delivered by the delivery suit 11. The product is guided and rolled out from the product outlet 10.

Reference numeral 12 is a bucket for transporting the product A carried out from the product carry-out port 10 to the product take-out port 6, and the opened upper surface is provided so as to incline so as to be slightly downwardly inclined. Two rollers 13 arranged vertically are rotatably attached to the rear end portions of both side surfaces of the bucket 12 via support metal fittings 14. A guide rail 15 extending vertically is provided between the outer door 5 and the inner door 9,
The roller 13 is fitted in the guide rail 15. Thereby, the bucket 12 is supported so as to be able to move up and down.

Reference numeral 16 denotes a pair of annular chains arranged on both sides of the bucket 12, each trailing edge of which is fixed to the side surface of the bucket 12. Further, shafts 17 and 18 extending in the lateral direction are arranged above the commodity outlet 6 and below the bucket 12 at the lower standby position, and the sprocket 1 is provided at both ends of the shafts 17 and 18, respectively.
9 and 20 are fixed, and the chain 16 is wound around the sprockets 19 and 20, respectively. Further, a motor 21 is connected to one end of the lower shaft 18, and the motor 21 is driven by a drive control unit (not shown). Here, the interval between the pair of chains 16 described above is set to be wider than the width of the product outlet 6, and the outlet door 7 is provided in each chain.
It is designed so that it can be rotated and entered between the two. Further, the front edge of each chain 16 is set to be located in front of the front end of the bucket 12 and slightly behind the outer door.

Further, a shutter 22 for closing the back side of the product outlet 6 and a shutter 23 for receiving the product A at the time of unloading are attached to a part of each chain 16. These shutters 22 and 23 are composed of a large number of closing plates 22a and 23a extending over the respective chains 16, and these closing plates 22a and 23a are arranged in parallel at a predetermined distance from each other and both ends thereof are arranged. Parts are supported by each chain 16. Each of the closing plates 22a and 23a is made of, for example, a hard resin plate, and its surface is processed smoothly. Here, the shutters 22 and 23 move as the bucket 16 moves up and down as the chain 16 rotates, and when the bucket 12 is in the lower standby position, the shutter 22 is located behind the product outlet 6. 23 is located in front of the bucket 12, and the bucket 12 is located at the product outlet 6
When the shutter 22 is located slightly below the product outlet 6, the shutter 22 is located below the product outlet 6, and the upper edge 22b thereof is located slightly below the lower end of the product outlet 6, that is, the rotation of the opening prevention plate 8. It is set to substantially correspond to the axis 8a. The bucket 12, the guide rail 15, the chain 16 and the like constitute an elevator mechanism.

According to the present embodiment having the above-described structure, the bucket 12 is located slightly below the product carrying-out port 10 and the shutter 22 is behind the product taking-out port 6 as shown in FIG. And the shutter 23 is the bucket 12
Located in front of each. Further, at this time, the opening prevention plate 8 is preset so that the rotation shaft 8a is located below and is substantially vertical and is sandwiched between the lower end of the takeout door 7 and the shutter 22. .. As a result, the take-out door 7 of the merchandise take-out port 6 cannot be opened, foreign substances are prevented from entering from the outside, and the take-out door 7 is closed by the shutter 2.
Since the front surface of the shutter 22 abuts against the rear surface of the opening restraint plate 8 and slides smoothly without contacting the product 2,
The bucket 12 can be smoothly moved up and down when being carried out.

When the purchaser selects a product, the selected type of product A is carried out from the delivery rack to the delivery suit 11, and the product A is guided to the delivery suit 11 to carry the product. Bucket 12 through outlet 10
Housed in. At this time, the shutter 23 is in the bucket 12
Product A located in front of the product and jumped out from the product exit 10
After hitting the shutter 23, it is stored in the bucket 12. As a result, the product A does not hit the outer door 5, so that a large impact sound is not emitted.

Subsequently, the motor 21 is operated, and the bucket 12 containing the product A is moved slightly behind the product outlet 6. The shutter 22 descends as the bucket 12 moves up, and when the front end of the bucket 12 reaches the position corresponding to the lower end of the product outlet 6 as shown in FIGS. 3 and 5, the upper end of the shutter 22 also receives the product outlet. The position corresponding to the lower end of 6 is reached. At this time, the opening prevention plate 8 is biased by the spring 8b to rotate, and contacts the upper end 22b of the shutter 22 to be held in a substantially horizontal state. As a result, the takeout door 7 can be opened, and the product A can be taken out from the bucket 12. Furthermore, since the gap between the front end of the bucket 12 and the lower end of the product outlet 6 is closed by the opening prevention plate 8, it is possible to prevent foreign matter from entering this gap when the product A is taken out.

When the purchaser takes out the product A from the bucket 12 and closes the take-out door 7, the motor 21 operates and the bucket 12 descends. Along with this, the shutter 22 rises,
The opening prevention plate 8 is pushed up by the upper end 22b of the shutter 22, and the lower end of the takeout door 7 is sandwiched between the inner surface of the outer door 5 and the opening prevention plate 8 so that it cannot be opened.

As described above, according to the present embodiment, since the chain 16 for raising and lowering the bucket 12 is provided with the shutter 22 for closing the back of the article take-out port 6, the dedicated structure as in the conventional example is provided by the simple structure. Since it is not necessary to separately provide an anti-theft door having a drive mechanism, the cost can be significantly reduced, and the space for the anti-theft door is not required, and the main body 1
Can be miniaturized. Further, by providing the opening restraint plate 8, it is possible to almost completely prevent the opening of the take-out door 7 during the standby for sale, and the take-out door 7 does not come into contact with the shutter 22. The bucket 12 can be smoothly moved up and down at the time. Furthermore, the bucket 1 at the time of taking out the product A
Since it is possible to prevent foreign matter from entering the gap between the front end of 2 and the lower end of the commodity outlet 6, the inside of the main body 1 can be kept clean. Further, since it is not necessary to use a special control circuit or the like for driving the shutter 22 and the opening prevention plate 8, the operation can be performed reliably and the reliability can be improved.

In this embodiment, when the product A is taken out,
Although the opening prevention plate 8 is held in a substantially horizontal state by the upper end 22b of the shutter 22, the present invention is not limited to this. For example, a stopper may be provided at one end of the release prevention plate 8 to rotate the release prevention plate 8 to the horizontal position.

[0020]

As described above, according to the present invention, by providing the article outlet closing member and the opening restraining plate,
Since it is not necessary to provide a drive mechanism dedicated to the anti-theft door as in the conventional example, the cost can be significantly reduced, and
The installation space dedicated to the anti-theft door is not required, and the vending machine body can be made compact. Further, since the opening restraining plate can prevent contact between the product outlet closing member and the take-out door when the bucket is moved up and down, the bucket can be smoothly moved up and down, and the bucket front end and the product when taking out the product Since the gap with the lower end of the outlet can be closed, foreign matter can be prevented from entering the gap and the inside of the vending machine can be kept clean. As described above, according to the present invention, it is possible to provide the anti-theft structure having a simple structure and high reliability, which is a very excellent effect.

[Brief description of drawings]

FIG. 1 is a front view of a vending machine according to the present invention.

FIG. 2 is a partially cutaway side view showing a main part of one embodiment.

FIG. 3 is a partially cutaway side view showing a main part of one embodiment.

FIG. 4 is a front view of an elevator mechanism according to an embodiment.

FIG. 5 is an enlarged side view of a main part of the embodiment.

[Explanation of symbols]

1 ... Vending machine body, 2 ... Product storage room, 3 ... Machine room, 4
... elevator mechanism, 5 ... outer door, 6 ... commodity take-out port, 7 ... take-out door, 7a ... rotation shaft, 8 ... opening prevention plate, 8a ... rotation shaft,
8b ... spring, 9 ... inner door, 10 ... commodity exit, 10a ... shielding plate, 11 ... delivery shoot, 12 ... bucket, 13
… Rollers, 14… Supporting fittings, 15… Guide rails, 16…
Chain, 17, 18 ... Shaft, 19, 20 ... Sprocket, 21 ... Motor, 22, 23 ... Shutter, 22
a, 23a ... a closing plate.

Claims (1)

[Claims] 1. A product outlet provided on an outer door includes a take-out door which has a rotating shaft pivoted substantially horizontally at an upper edge thereof and which can be opened only inside, and the inside of the outer door. In addition, a chain that runs vertically along the inner surface of the outer door with a predetermined gap between the outer door and a bucket that moves up and down by the chain is provided, and the product that is carried out below the product outlet. In the anti-theft structure of the vending machine, which stores the items in the bucket and conveys the items to the merchandise outlet, the upper end of the chain is positioned higher than the upper end of the merchandise outlet, and one of the chains is In the partial section, the product located behind the product outlet when the bucket is in the lower standby position, and located outside the product outlet when the bucket moves behind the product outlet. Provided with an outlet closing member, An opening restraint plate having a width corresponding to the width and a predetermined length and having a rotation shaft at one end in the lengthwise direction which is pivoted substantially horizontally slightly below the commodity outlet, and the opening restraint. An anti-theft structure for a vending machine, comprising: a rotation restricting means for restricting a rotation range of the plate from a position right above to a horizontal position.