JP3236474B2 - Vending machine sold-out detector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sold-out detecting device for a vending machine.

[0002]

2. Description of the Related Art In recent years, it has been emphasized that a sold-out detection device of a vending machine is downsized in accordance with an increase in the number of stored commodities and an improvement in detection accuracy of sold-out of the stored commodities.

[0003] A conventional sold-out detecting device for a vending machine is disclosed in Japanese Utility Model Laid-Open No. Hei 5-17783.

[0004] Hereinafter, a conventional sold-out detection device for a vending machine will be described with reference to the drawings.

FIG. 9 is a side view of a conventional sold-out detecting device of a vending machine. In FIG. 9, reference numeral 1 denotes a front product storage column, 2 denotes a rear product storage column, and products are naturally stacked and stored in the front product storage column 1 and the rear product storage column 2. At this time, reference numeral 3 denotes a front lowermost product stored in the front product storage column 1, and reference numeral 4 denotes a rear lowermost product stored in the rear product storage column 2. Reference numeral 5 denotes a front sold-out switch actuating member for transmitting detection of whether or not a product is stored in the front product storage column 1, and reference numeral 6 denotes a rear portion for transmitting detection of whether or not a product is stored in the rear product storage column 2. A sold-out switch operating member 7 is a front sold-out switch for detecting whether a product is stored in the front product storage column 1 by the front sold-out switch operating member 5, and 8 is a rear sold-out switch operating member. 6 rear product storage column 2
Is a rear sold-out switch for detecting whether a product is stored in the switch. Reference numeral 9 denotes a transport chain which is provided below the products stored in the front product storage column 1 and the rear product storage column 2 and rotates in a predetermined direction. Reference numeral 10 is provided on the transport chain 9 and rotates in conjunction with the transport chain. It is a product extrusion member.

FIG. 10 is a side view of a conventional sold-out detecting device for stored goods of a vending machine when a product is stored in the front product storage column 1 and the rear product storage column 2. 5
Is a rear sold-out switch operating member pushed from above by the front lowermost product 3 stored in the front product storage column 1,
Reference numeral 6 denotes a rear sold-out switch operating member pushed from above by the rear lowermost product 4 stored in the rear product storage column 2, and 7 denotes a product stored in the front product storage column 1 and not sold out. Shows the state of the front sold-out switch at the time. Similarly, reference numeral 8 denotes the state of the rear sold-out switch when a product is stored in the rear product storage column 2 and the product is not sold out.

[0007] The operation of the sold-out vending machine detecting device configured as described above will be described below.

First, when products are not stored in the front product storage column 1 and the rear product storage column 2 and are in a sold-out state, as shown in FIG. The sold-out switch operating member 6 has a front end which is opposite to the side which is in contact with the front sold-out switch 7 and the rear sold-out switch 8, respectively, and has a front product storage column 1 and a rear product storage column 2, respectively. The front sold-out switch 7 and the rear sold-out switch 8 both detect the sold out of the product.

Next, when products are stored in the front product storage column 1 and the rear product storage column 2, respectively, and are not sold out, as shown in FIG. It is pressed from above by the front lowermost product 3 and sneaks into the lower part of the front product storage column 1, and the all sold-out switch 7 detects that it is not sold out. Similarly, the rear sold-out switch operating member 6 is pressed from above by the rear lowermost product 4 and sneaks into the lower part of the rear product storage column 2, and the rear sold-out switch 8 detects that the product is not sold out.

As described above, the sold-out detecting device of the conventional vending machine operates, but the sold-out detection of the front product storage column 1 and the rear product storage column 2 is performed by the front sold-out switch operating member. 5, the front sold-out switch 7, and the rear sold-out switch operating member 6 and the rear sold-out switch 8, which are performed independently of each other. The case in which the product is sold out is obtained by moving the product extruding member 10 provided at the lower part of the front product storage column 1 and the rear product storage column 2 on the transport chain 9 rotating in a predetermined direction by a predetermined pitch. The products stored in each of the product storage columns of the front product storage column 1 and the rear product storage column 2 are discharged when all the products in the front, rear, or front and rear are discharged. For the three modes, the front sold-out switch 7 and the rear sold-out switch 8 detect the sold out.

[0011]

However, in the above-mentioned conventional configuration, the front sold-out switch 7 for detecting the sold-out of the product is used.
And the rear switch 8 are independent of each other, which increases the man-hours in the manufacturing process and directly increases the material cost.
A space for mounting two switches, the front sold-out switch 7 and the rear sold-out switch 8, must be secured, and the sold-out detection device of the vending machine cannot be downsized due to the increase in the number of stored products. There was a disadvantage. Further, the out-of-stock sold switch 7 and the rear out-of-stock switch 8
Therefore, the sold-out detection failure frequently occurs unless both the sold-out detection accuracy and the front and rear portions are secured.

SUMMARY OF THE INVENTION The present invention solves the conventional problem, and eliminates one of the front sold-out switch and the rear sold-out switch, and detects the sold-out by one sold-out switch, thereby enabling the manufacturing process. A vending machine sold-out detector that can reduce the man-hours and material costs directly, reduce costs, reduce the size, increase the storage capacity of products, and improve the accuracy of sold-out detection. The purpose is to do.

Further, in the above-described conventional configuration, after the front lowermost product 3 stored in the front product storage column 1 is discharged by the product pushing member 10, the product on the front lowermost product 3 is removed. , Slides down to the rear product storage column 2 and interferes with the rear sold-out switch operating member 7, so that the rear product sold-out cannot be detected, and the storage posture and the storage state of the product stored in the front product storage column 1. However, there is a drawback that the storage posture of the products stored in the rear product storage column 2 is broken, and when the products are discharged, defective discharge occurs due to the product clogging.

Another object of the present invention is to provide a rear sold-out switch operating member 6 for stabilizing the storage position of the commodity on the discharged commodity after the commodity is discharged so that the commodity on the discharged commodity does not slide down to the rear. It is an object of the present invention to provide a vending machine sold-out detection device which does not cause defective discharge by changing the shape of the vending machine.

[0015]

Means for Solving the Problems] sold out detecting apparatus of the vending machine of the present invention to achieve this object, the commodity storage column, the product accommodating stacked respectively on the goods conveying surface before and after the two rows In a vending machine which discharges by a product pushing member provided in a transport chain rotating in a fixed direction provided in a lower portion , in a lower portion of each product stored before and after the product storage column, from a product transport surface. You can go in and out
One and a front sold-out switch actuating member and the rear sold-out switch actuating member which operates in the same direction, said rear sold out switch actuating member is in a shape bent over the goods conveying surface, the tip goods conveying surface the shaped notch co disposed under, Osamu
When the delivered product is sold out, the front sold-out switch actuating member
The tip and the bent part of the rear sold-out switch operating member are products
An operation assisting spring that urges to protrude above the conveying surface , the front sold-out switch operating member, and the rear sold-out switch.
Switch between the operating members, the front and rear
A rotary member that transmits the movement of the switch operating member, and a sold-out switch that detects the sold-out of the product via the front and rear sold-out switch operating member and the rotating member, and the stored product is
When sold out, the front end of the front sold-out switch
By pushing the front part of the rotating member downward, the rear
The switch member has a U-shaped lower end at the rear of the rotating member.
Lifting the product upward allows the product to be sold via the rotating member.
The system is configured by transmitting a cut-off to a sold-out switch and detecting a sold-out state.

[0016]

[0017] In addition, the commodity storage column, the quotient before and after the two rows
Products stacked and stored on the product transfer surface
Products installed on a conveyor chain that rotates in a fixed direction
In the vending machine that discharges with the extrusion member,
At the bottom of each product stored before and after the delivery column
The product can move out of the product transport surface and move in the same direction.
Sold out switch actuating member and rear sold out switch actuated
And the rear sold-out switch actuating member is
It is bent on the sending surface, and its tip is
A U-shaped notch is provided underneath, and when stored goods are sold out
The front end of the front sold-out switch operating member and the rear end
The bent part of the sold-out switch operation member protrudes above the product transport surface.
An actuating auxiliary spring that urges it to come out,
Between the switch operating member and the rear sold-out switch operating member
Arranged, and the front and rear sold-out switch actuation members
Rotating member for transmitting motion and activation of the front and rear sold-out switches
Selling that detects the sold-out of a product via a member and the rotating member
The off switch and the product pushing member are provided on the transport chain.
And moves at a specified pitch in conjunction with the transport chain in a certain direction.
The track is the front sold-out switch operating member and the rear sold-out switch.
It is on the switch actuating member and passes through each actuating member.
Configuration, each operating member is pushed down.
I am .

[0018]

[0019]

[Action] sold out detecting apparatus of the vending machine of the present invention, the front sales
Off switch operating member and rear sold out switch operating member
Rotating member between the sold-out switch operating member and the sold-out switch
By providing a rear sold-out switch
By converting the operation of the operating member in the same direction, the front part and
When the rear sold-out switch actuating member is sold out
Can move in the same direction, ensuring that the product is in one direction
In addition, the front and rear sold-out switch actuating members
Each mounting position can be set freely.

[0020]

Further, since the product pushing member pushes each of the front and rear sold-out switch operating members on the product conveying surface for pushing out the product, the member is pressed below the product conveying surface. By temporarily detecting the pressed out sold portion as the presence of the product, the portion where the other product remains can be sold, and the product can be sold out.

[0022]

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a sold-out detecting device for a vending machine according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

FIG. 1 is a side view of a vending machine sold-out detection apparatus according to a first embodiment of the present invention when a stored product is sold out. FIG. 2 is a side view of the sold-out detection device of the vending machine according to the embodiment when the product is stored. FIG. 3 shows the structure of the sold-out detection device.
It is a perspective view of a part.

[0025]

[0026]

[0027]

[0028]

[0029]

[0030]

[0031]

[0032]

1, 2 and 3, reference numeral 11 denotes a product storage column , reference numeral 12 denotes a product transport surface , reference numeral 13 denotes a transport chain , reference numeral 14 denotes a product pushing member , reference numeral 15 denotes a front lowermost product,
16 is a rear lowermost product, 19 is a sold-out switch, 2
Reference numeral 0 denotes an operation assist spring. Reference numeral 21 denotes a rotatable front sold-out switch operating member provided at the lower portion of the lowermost product 15 at the front, and 22 is rotatable to transmit sold-out of the product. A rear sold-out switch operating member provided at the lower portion of the lower product 16, a rotating member 23 rotatable between a front sold-out switch operating member 21, a rear sold-out switch operating member 22, and a sold-out switch 19. It is. Front sold-out switch operating member 21 and rear sold-out switch operating member 22
Are mounted so as to be rotatable in such a manner that their tips are inclined in the same direction above the product transport surface 12. In FIG. 5, reference numeral 24 denotes a rotary shaft hole provided in front of the rotary member 23, 25 denotes a left case of the sold-out detection device, 26 denotes a rotary shaft provided inside the left case 25, and 27 denotes a rotary shaft. In the rear rotary shaft hole provided in the rear sold-out switch operating member 22, 28
Is a rear rotation shaft provided inside the left case 25 and inserted through the operation auxiliary spring 20 and the rear rotation shaft hole 27. Also, 2
Reference numeral 9 denotes a front rotary shaft hole provided in the front sold-out switch operating member 21, and 30 denotes a front rotary shaft provided in the left case 25 and inserted through the operation auxiliary spring 20 and the front rotary shaft hole 29. is there. Note that the rear sold-out switch operating member 22 includes the rotating member 2.
3 has a U-shape at its tip so that it can be rotationally moved upward, and has a bent shape in the middle.

The operation of the sold-out detecting device for a vending machine configured as described above will be described below.

If the product is not stored in the product storage column 11 at all, the front end of the front sold-out switch operating member 21 and the bent portion of the rear sold-out switch operating member 22 are both operated by the operation auxiliary spring 20. Above the product transport surface 12, the product is rotated about a front rotation shaft 30 and a rear rotation shaft 28, respectively. At this time, the front sold-out switch operating member 21 pushes the rotating member 23 downward, and the rear sold-out switch operating member 22 lifts the rear part of the rotating member 23 upward at the lower end of the U-shape, thereby turning the rotating member 23 upward. The sold-out of the product is transmitted to the sold-out switch 19 via 23, and the sold-out is detected. The U-shape of the rear sold-out switch operating member 22 is designed so that the rotating member 23 is lifted when the bent portion goes up, and does not interfere with the rotating member 23 when the bent portion goes down. The product storage column 1
If any of the two rows of products stored in 1 is sold out, even if the other product is stored, the sold out switch 19
Will detect the sold out.

When the products are stored in the front and rear sold-out switch operating members 21 in the front and rear sold-out switch operating members 21 and the bent portions of the rear sold-out switch operating members 22 are raised above the product conveying surface 12. However, it is pushed downward by the lowermost product 15 at the front and the lowermost product 16 at the rear, and rotates around the front rotating shaft 30 and the rear rotating shaft 28 to the product transport surface 12 respectively. On the other hand, the rear end of the front sold-out switch operating member 21 goes up, and the U-shaped portion at the front end of the rear sold-out switch operating member 22 goes down. At this time, the rotating member 23
The rotary shaft hole 24 is provided in the front part, and the front part is lighter than the rear part with the rotary shaft hole 24 as a boundary.
By turning clockwise right, the user is separated from the sold-out switch 19 and no sold-out is detected.

With respect to the relationship between the discharge of the product and the sold-out of the product, the product pushing member 14 provided on the transport chain 13 is moved in the predetermined direction by the predetermined pitch by rotating the transport chain 13 in the predetermined direction. Storage column 1
The lowermost product 15 at the front among the products stored in 1 is discharged via the lowermost product 16 at the rear. In the next discharge, the product extruding member 14 directly extrudes and discharges the front lowermost product 15. By repeating these two operations, the product stored in the product storage column 11 is discharged and continues until one of the products before and after disappears. When either the product before or after the product runs out, the sold-out switch 19 detects the sold out.

As described above, the sold-out detecting device of the vending machine according to the present embodiment transmits the sold-out of goods in the same operation direction to the lower part of each of the goods stored in the front and rear two rows in the goods storage column 11. When the sold-out switch operating member 21, the rear sold-out switch operating member 22, and the stored product are sold out, the product transport surface 1
2, an operation assisting spring 20 having a spring constant set to rotate the front sold-out switch operating member 21 and the rear sold-out switch operating member 22, a front sold-out switch operating member 21, and a rear sold-out switch. The movement of the operating member 22 is inserted into the rotating shaft 26 with the rotating shaft hole 24 provided therein, and is rotatable about the rotating shaft 26. The rotating member 23, the front sold-out switch operating member 21, and the rear sold-out switch operating member 22, Since it is composed of the sold-out switch 19 for detecting the sold-out of the product via the rotating member 23, the cost in the manufacturing process and the direct material cost for one sold-out switch 19 can be reduced, so that it is less expensive. In addition, because it can be downsized, the storage amount of products can be increased,
In addition to improving the accuracy of sold-out detection, the front sold-out switch operating member 21, the rear sold-out switch operating member 22, and the sold-out switch 19 can be configured at any position.

Next, a second embodiment of a sold out detecting apparatus of an automatic vending machine according to the present invention will be described with reference to the drawings. The same components as those of the first embodiment are denoted by the same reference numerals, and detailed description is omitted.

FIG . 4 is a side view of a sold-out detecting apparatus for a vending machine according to a third embodiment of the present invention. FIG. 5 is a perspective view of the sold-out detecting device of the vending machine of the embodiment. FIG.
In FIG. 5 , reference numeral 11 denotes a product storage column, reference numeral 12 denotes a product transfer surface provided below the product storage column 11, and reference numeral 13 denotes a transfer chain provided below the product transfer surface 12. Fifteen
Is a front lowermost product located at the front lowermost stage of the products stored in the front and rear two rows in the product storage column 11 and in contact with the product transport surface 12. Reference numeral 19 denotes a sold-out switch, reference numeral 20 denotes an operation assisting spring, reference numeral 21 denotes a front sold-out switch operating portion, reference numeral 22 denotes a rear sold-out switch operating member, and reference numeral 23 denotes a rotating member.
Numeral 31 is provided on the transport chain 13 and moves in a predetermined direction in conjunction with the transport chain 13 at a predetermined pitch, and its trajectory is on the front sold-out switch operating member 21 and the rear sold-out switch operating member 22. When passing through a member,
It is a product extruding member that can push down each operating member.

The operation of the sold-out detecting device for a vending machine configured as described above will be described below.

The product stored in the product storage column 11 is moved by a predetermined pitch by the extruding member 31, so that the products stored before and after are sequentially discharged. Finally, when only the front lowermost product remains, the product extruded product 31 is stopped on the rear sold-out switch operating member 22, and at this time, the product extruded member 31 moves the rear sold-out switch operating member 22 downward. By pressing the button, the same state as that in which there is also a product at the rear of the product storage column 11 is created, and no sold-out is detected by the sold-out switch 19, so that the last lowermost product 15 in the front, which is the last one, can be discharged.

As described above, the sold-out detecting apparatus of the vending machine according to the present embodiment transmits the sold-out goods in the same operation direction to the lower part of each of the goods stored in the front and rear two rows in the goods storage column 11. When the sold-out switch operating member 21, the rear sold-out switch operating member 22, and the stored product are sold out, the front sold-out switch operating member 21 and the rear sold-out switch operating member 22 are rotated above the product transport surface 12. The operation assisting spring 20 having the spring constant set in the above, a rotatable rotating member 23, a front sold-out switch operating member 21, a rear sold-out switch operating member 22, and a sold-out product through the rotating member 23. The sold-out switch 19 to be detected, the front sold-out switch operating member 21 and the rear sold-out switch operating member 22 have orbits. Discharged Because and a product pusher member 31. that, the first step and sold out switches 19 in the manufacturing process
Since the direct material cost can be reduced for each unit, the cost can be reduced, and the size can be reduced. As a result, the storage amount of the product can be increased, and the precision of the sold-out detection can be improved. In addition to being able to configure the rear sold-out switch operating member 22 and the sold-out switch 19 in any position,
All stored products can be discharged.

Next, a third embodiment of the sold-out detecting apparatus for a vending machine according to the present invention will be described with reference to the drawings. Note that the same components as those in the first and second embodiments are denoted by the same reference numerals, and detailed description is omitted.

FIG . 6 is a side view of a sold-out detecting apparatus for a vending machine according to a fourth embodiment of the present invention. In FIG.
11 is a product storage column, 12 is a product transport surface, and 13 is a transport chain provided below the product transport surface. 19 is a sold-out switch, 20 is an operation assisting spring, 21 is a front sold-out switch operating member, 23 is a rotating member, and 31 is a product pushing member. Reference numeral 32 denotes a falling commodity stacked on the front lowermost commodity 15, and 33 denotes a sold-out of the commodity stored in the rear part of the commodity storage column 11, and sells the sold-out switch 19 via the rotating member 23. It transmits the detection of the cut-off, bends at the upper part in a mountain shape, and its tip is a rear sold-out switch operating member having a shape inclined toward the front sold-out switch operating member 21.

The operation of the sold-out detecting apparatus for a vending machine configured as described above will be described below.

When the front lowermost product 15 stored at the lowermost part of the front part of the product storage column 11 is discharged by the product pressing member 31, the falling product 32 falls from the rear to the product transport surface 12. At this time, the falling commodity 32 tends to slide down to the rear part of the commodity storage column 11, and this sliding fall is received by the front part of the rear sold-out switch operating section 33 to prevent the falling commodity.

As described above, the sold-out detector of the vending machine according to the present embodiment includes a product storage column 11 for storing products in two front and rear rows, a product transport surface 13, and a lower portion of the product transport surface 12. Conveying chain 12 that rotates by a predetermined pitch in one direction
A sold-out switch 19 for detecting that the products stored in the front and rear two rows in the product storage column 11 are sold out;
Accordingly, when the product stored in the front portion of the product storage column 11 is sold out, the front end rotates above the product transfer surface 12 around the center of the operation assist spring 20 as a rotation center, and the product is sold out. The front sold-out switch operating member 21 for transmitting the information, and the rotating member 23 that rotates in the opposite direction in conjunction with the front sold-out switch operating member 21 when the front sold-out switch operating member 21 rotates to transmit the sold out product.
A product extruding member 31 that discharges the product in conjunction with the transport chain 13, has a track on the front sold-out switch operating member 21, and rotationally moves the front sold-out switch operating member 21 to the product transport surface 12; When the rear product is sold out, it is located above the product transport surface 12 and the front sold-out switch operating member 21 is located below the product stored in the rear portion of the product storage column 11.
And a rear sold-out switch operating member 33 having a shape in which the front end of the front sold-out switch operating member 21 bends downward and reaches the commodity conveying surface 12 by rotating in the same direction as the above. Since the number of processes in the manufacturing process and the direct material cost for one sold-out switch can be reduced, it is cheaper, and because it can be reduced in size, the storage capacity of the product can be increased, and the accuracy of sold-out detection can be improved. In addition, the front sold-out switch operating member 21, the rear sold-out switch operating member 33, and the sold-out switch 19 can be configured at any position.
In addition to being able to sell out the products stored in the row, when the front lowermost product 15 is discharged by the product insertion member 31,
Due to the falling down of the falling commodities stacked directly above the front lowermost commodities 15 to the rear, it is possible to prevent defective product discharge due to a poor product storage attitude.

[0049]

The present invention described above, according to the present invention is the product storage columns, provided the conveyor chain to rotate in the predetermined direction in which a product accommodating stacked respectively on product transport surface in two front and rear rows at the bottom a vending machine for discharging at product挿出member, the quotient at the bottom of each of the commodities stored in the front and rear
Front sold-out switch actuates to sell out goods in the same direction
When the members, rear sold-out switch operating members, and stored products are sold out
Activate the front and rear sold-out switches above the product transport surface
Operation compensator with spring constant set to rotate member
Auxiliary spring and the front and rear of each sold-out switch actuating member
A rotation shaft hole is provided to transmit the movement so that it can rotate freely around the rotation shaft hole center.
Rotating member, and inserting the rotating member through the rotating shaft hole.
A rotating shaft for holding, and the front and rear sold-out switch operating members;
Sold-out switch for detecting sold-out of goods via the rotating member
By having a switch, one sold out switch can be reduced.
To reduce man-hours and direct material costs in the manufacturing process
Increase the storage capacity, improve the sold-out detection accuracy, and
Free arrangement of the switch operating member and the sold-out switch
Wear.

[0050]

Further, the vending machine which discharges the products on the product conveying surface stored in the front and rear two rows in the product storage column in a certain direction is sold out at the bottom of each of the products stored before and after. When the front sold-out switch operating member, the rear sold-out switch operating member, and the stored product that are transmitted in the same operation direction are sold out, the front and rear sold-out switch operating members are set to be rotated above the product transport surface. An auxiliary assisting spring having a spring constant, a rotating member having a rotating shaft hole for transmitting the movement of each of the front and rear sold-out switch operating members and rotatably transmitting the rotation member to the center of the rotating shaft hole, and the rotating member having the rotating shaft hole. A rotary shaft that is inserted and held, a sold-out switch that detects the sold-out of the product via the front and rear sold-out switch operating members and the rotating member, and a sales unit that sells the front part or the rear part in order to sell stored goods at a regular price. Switch off operation By providing a product extruding member that pushes the material below the product transfer surface and releases the product for sale, the number of sold-out switches can be reduced by one, so the number of man-hours in the manufacturing process and the reduction in material costs and the increase in storage capacity due to miniaturization, It is possible to improve the sold-out detection accuracy, to liberalize the arrangement of the front and rear sold-out switch operating members and the sold-out switch, and to sell out stored goods.

Further, the front sold-out switch operating member for transmitting the sold-out of the product in the same operation direction to the lower part of each of the stored products before and after the front end of the front sold-out switch operating member is directed downward. An operation assisting spring having a spring constant set so that the rear sold-out switch operating member having a bent shape and the front and rear sold-out switch operating members are respectively moved above the product conveying surface when the stored product is sold out. And a sold-out switch for detecting the sold-out of the goods stored in the front and back of the product storage column in two rows.
Since the number of units can be reduced, the number of man-hours in the manufacturing process and the direct material cost can be reduced, the storage amount can be increased due to miniaturization, the accuracy of sold-out detection can be improved, and the arrangement of the sold-out switch operating members before and after and the sold-out switch can be liberated. After the product at the bottom of the front stored in the front of the product storage column is ejected by the product pushing member, the product stacked immediately above the discharged product at the bottom of the front is stored in the product storage column. It can be prevented from sliding down the rear of the column.

[Brief description of the drawings]

FIG. 1 is a side view of a sold-out detection device of a vending machine according to a first embodiment of the present invention when a stored product is sold out.

FIG. 2 is a side view of the sold-out detection device of the vending machine according to the embodiment when a product is stored.

FIG. 3 is a perspective view of the structure of the sold-out detection device of the embodiment.

FIG. 4 is a sold-out vending machine according to a second embodiment of the present invention .
Side view of the detector

FIG. 5 is a perspective view of a sold-out detection device of the vending machine of the embodiment.

FIG. 6 is a side view of a vending machine sold-out detection apparatus according to a third embodiment of the present invention.

FIG. 7 is a side view of a conventional vending machine sold-out detection device.

FIG. 8 is a front storage box of a conventional vending machine sold-out detection device.
Side view when goods are stored in ram and rear storage column

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Commodity storage column 12 Commodity conveying surface 13 Conveying chain 14 Commodity push-out member 17 Front sold-out switch operating member 18 Rear sold-out switch operating member 19 Sold-out switch 20 Operation auxiliary spring 21 Front sold-out switch operating member 22 Rear sold out Switch operating member 23 Rotating member 31 Product pushing member 33 Rear sold-out switch operating member

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-6-333141 (JP, A) JP-A-5-17783 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G07F 9/02

Claims (2)

(57) [Claims] To 1. A product storage columns, automatic to discharge under the trade extrusion member provided on the conveyor chain to rotational movement the goods accommodating stacked respectively on the goods conveying surface before and after two rows in a predetermined direction which is provided in the lower portion In the vending machine, the commodity storage
At the bottom of each product stored before and after
A front sold-out switch operating member and a rear sold-out switch operating member that can move out of the product transport surface and operate in the same direction.
The rear sold-out switch actuating member has a bent shape on the product transport surface, and its tip has a U-shaped notch below the product transport surface, and when the stored product is sold out. Is before
The tip of the front sold-out switch operating member and the rear sold-out switch
The bent part of the switch actuating member protrudes above the product transport surface
Assisting spring for urging and the front sold-out switch
An operating member and a rear sold-out switch operating member.
Movement of the sold-out switch actuating members of the front and rear.
A rotating member for transmitting, and a front and rear sold-out switch operating member;
A sold-out switch for detecting sold-out of a product via the rotating member
When the stored products are sold out, the front
The rear end of the switch operating member faces the front of the rotating member downward
By pressing, the rear sold-out switch actuating member turns the rotating member
Raise the rear part upwards with the U-shaped lower end
To transmit the sold-out of the product to the sold-out switch via the rotating member.
For example, it sold out detecting apparatus of a vending machine, characterized in that detecting the sold-out. 2. The product extruding member is provided on a transport chain.
And moves at a specified pitch in conjunction with the transport chain in a certain direction.
The track is the front sold-out switch operating member and the rear sold-out switch.
It is on the switch actuating member and passes through each actuating member.
Each operating member can be pushed down when
2. The vending machine sold-out detection device according to claim 1, wherein