JP3595040B2 - Vending machine product unloading device - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a product unloading device of a vending machine in which a plurality of product storage shelves are vertically arranged.
[0002]
[Prior art]
In general, a product unloading device of this kind of vending machine has a large number of product storage shelves provided in a plurality of rows vertically, the products are turned over, and the products are stored in multiple stages so that the body rolls, and provided at the end of the product passage, respectively. (For example, Japanese Patent Publication No. 53-11479). Further, there is provided a product carry-out device in which the products in the front row of the product storage shelf are locked by the locking arms.
[0003]
Hereinafter, an example of the above-described conventional product unloading device of a vending machine will be described. In a main body of the vending machine, a plurality of product storage shelves having a product passage arranged in a vertical direction are provided. In addition, a product unloading device is provided in each of the product storage shelves at the exit of each product path. The product discharging device projects the first locking claw from the lower end of the inclined product mounting surface on the lower end side of the cylindrical body, thereby preventing the product from dropping and, when supplying the product, the first locking claw. The nail is immersed from the product mounting surface, and the leading product is dropped by its own weight.
[0004]
At this time, at the same time when the first locking claw is immersed, the second locking claw is made to protrude at a position behind the first locking claw, thereby preventing a subsequent product from continuously falling. Have been.
[0005]
In a vending machine having a built-in merchandise take-out device having the above-described structure, a hand is put into a merchandise take-out opening provided at a lower end side of the main body, and the merchandise sent to this location is taken out.
[0006]
On the other hand, in Japanese Utility Model Publication No. 55-52548, for example, a product take-out device substantially similar to the above is provided at the rear end side of each product mounting shelf, and this device operates to operate from the rear end of the product mounting shelf. The delivered product falls through a drop passage on the back side of the refrigerator, and is then sent to a product outlet at the lower end on the front surface of the main body through a guide path inclined forward and downward at the lower end.
[0007]
In addition, for example, in Japanese Patent Application Laid-Open No. 6-28555, a vertical surface of a stopper body provided at a front end of a mounting shelf inclined forward and in contact with a first product of a product unloading device has a lower end side. A second stopper for preventing forward movement is provided rotatably around the center and in the space between the first product and the second product, and the first stopper body is tilted, The structure is such that the upper space is widened and products can be taken out.
[0008]
[Problems to be solved by the invention]
However, in the above-described conventional configuration, when purchasing a product of a vending machine, the user looks at the sample displayed on the product main body, presses the select button, and purchases the product, and the sample itself is the same as the product. Appearance such as shape and color tone is required, and the same kind of product is required. In addition, it takes time and effort to create each sample, and the vending machine itself has become expensive.
[0009]
In addition, one product unloading device is provided for each product storage path, and when a plurality of product storage shelves are provided in the depth direction or the width direction of the vending machine, the number of parts is large. However, there has been a problem that the structure becomes complicated, the productivity is low, and the cost is increased.
[0010]
The present invention solves the above-mentioned conventional problems. Even if there is no product sample, it is easy to know the product sold in the vending machine and to select the product to be purchased. It is an object of the present invention to provide a vending machine product unloading device that can be reduced in size and increase the amount of stored products.
[0011]
[Means for solving the problem]
In order to solve the above-mentioned drawbacks, a product unloading device of a vending machine according to the present invention comprises: a product storage shelf in which a plurality of product storage paths for storing a plurality of products arranged in a front-rear direction are arranged; A first product receiving plate provided to be rotatable left and right one by one with respect to two product storage paths adjacent to the product storage path exit portion at the front end of the first product receiving plate; A drive shaft to be moved, an operating member that rotates in conjunction with the rotation of the first product receiving plate, and a driving shaft provided on the product sliding surface side of each of the product storage paths behind the first product receiving plate. A second product receiving plate that rotates and tilts upward due to the rotation of the operating member. When the product is on standby, the second product receiving plate does not protrude from the product sliding surface, and the two adjacent product receiving plates do not protrude. The product in the product storage path drops from the exit of the product storage path The first product receiving plate closes the product storage path so that the first product receiving plate is in contact with the first product receiving plate from the rear, so that two adjacent product storage When unloading the goods in the goods storage path on the left side of the road, the drive shaft rotates clockwise, and the rotation of the drive shaft rotates the first product receiving plate to the right and the operating member. Also rotate, the rotation of the operating member causes the second product receiving plate of the left product storage path of the two adjacent product storage paths to rotate upward and tilt, thereby causing the second product receiving plate to rotate. By projecting from the product running surface, the first product in the product storage path on the left is dropped from the exit of the product storage path, and the product storage path on the left is projected by the protruding second product receiving plate. The second product of the said product When the movement of the delivery route to the exit is regulated, and the product in the product storage route on the right side of the two adjacent product storage routes is carried out, the drive shaft rotates counterclockwise, and the drive shaft Due to the rotation, the first product receiving plate rotates to the left and the operating member also rotates, and the rotation of the operating member causes the second product storage path on the right side of the two product storage paths adjacent to each other to rotate. The second product receiving plate projects from the product sliding surface so that the first product in the right product storage path drops from the exit of the product storage path. At the same time, the projecting second product receiving plate restricts the movement of the second product in the right product storage path to the exit of the product storage path .
[0012]
In addition, an elastic member for urging the product storage path from the rear to the carry-out side, and a delivery push plate holding the elastic member and moving the product are provided in the product storage path, and the product is provided on the exit side of the push plate. The character portion indicating sold out is integrated.
[0013]
Further, the first product receiving plate is configured to be a translucent member.
Further, when further a connecting member which can rotate is fixed to the said drive shaft is provided at the rear of the product housing passage, provided with said connecting member and the holding and attachment and detachment freely drive motor, drew goods storage rack, wherein the drive motor and the article carrying-out device are separated, when storing the product storage rack is obtained by the configuration capable binding.
[0014]
Moreover, further the comprising: a detection operation rod push plate is pressed to operate, and a product detection switch and a detection operation rod abuts provided behind the product housing passage, sometimes separated drew product storage rack, the product When the storage shelves are stored, they can be contacted.
[0016]
[Action]
According to the present invention, the first product receiving plate for holding the products in the two product storing paths, the drive shaft for rotating the first product receiving plate, and the operating member are interlocked by the above-described configuration. Since the second product receiving plate provided on the sliding surface is rotated and operated, the product discharging mechanism can be thin and small. Also, since the second product receiving plate is provided behind the first product receiving plate, the first product is paid out to the exit side, and the movement of the second product to the exit can be restricted, so that the products having different shapes can be used. However, it is possible to securely control products such as cans, bottles, and packs with different shapes. Further, there is no need to regulate the width of the passage, and there is no need to perform an operation of adjusting the position of the second product receiving plate according to the size of the product, so that usability is improved.
[0017]
Further, an elastic member that urges the product side from the rear to the carry-out side in the product storage path and a delivery push plate that holds the elastic member and moves the product are provided in the product storage path, and the product is sold out on the exit side of the push plate. When the character portion to be represented is integrally incorporated and the product runs out, the sold-out character appears at the exit, so that the sold-out state of the product is represented by the character, so that an easy-to-understand and reliable vending machine can be provided.
[0018]
In addition, the first product receiving plate is configured to be a translucent member, so that a vending machine in which the entire product to be sold is known and purchase mistakes are less likely to occur can be provided.
[0019]
Further, a connection member provided behind the product storage path and fixed to and rotatable with the drive shaft, and a drive motor capable of holding and detaching freely with the connection member are provided, and when the product storage shelf is pulled out , the drive motor When the product storage device is separated and the product storage shelves are stored, they can be connected to each other, so that wiring for driving is not required, and the wiring can be prevented from being caught halfway during the drawer storage.
[0020]
Also has a detection operation rod and operative in pressing the push plate, and a product detection switch detecting operation rod abutting provided behind the product housing passage, separated when pulled out of the article storage rack, wherein When the product storage shelves are stored, it can be brought into contact with the product.It is unnecessary to mount the product lever in the product passage. Is no longer relevant. For this reason, it is not necessary to use a lightly operated product lever, and a vending machine having a reliable detection structure can be provided.
[0022]
【Example】
Hereinafter, a product unloading device of a vending machine according to an embodiment of the present invention will be described with reference to the drawings.
[0024]
In a cabinet of a substantially box-shaped main body to which a front door provided with a transparent glass 3A is attached so as to be openable and closable , a plurality of product storage shelves 5 on which products 4 such as beverages are placed in a line are vertically arranged. It is made. These product storage rack 5 side rail portions 6A which are raised from opposite sides, respectively, the between 6A, product storage path plurality Retsuritsu set to each product storage having a product storage path plate 7 which partitions between the equally spaced It is partitioned on the shelf 5 according to the width dimension of the product 4.
[0026]
In FIGS. 1 and 2, a first transmissive product receiving plate 9 for holding the products in the two product storage paths is provided at the product storage path exit of the product unloading device 8. Then, the first product 4 comes into contact with the first product receiving plate 9 from behind, and the plurality of products 4 are stored in a state in which the plurality of products 4 are arranged further behind. When storing the product, the product storage shelf 5 can be pulled out along the side rail portions 6A, 6A.
[0029]
The product storage device 8 provided at the front end of each product storage shelf is provided as shown in FIGS. 1 and 4 , and has a light-transmitting plate at the tip and is provided on the product storage side. A first product receiving plate 9 molded so as to provide a convex-shaped rib (not shown) so as to prevent the product from touching the entire plate surface and to cover an area of about 1/3 of each product storage path 6, It is provided at the center of the product storage exit provided by the two product storage path plates 7.
[0030]
In FIGS. 1 and 5, the drive shaft 13 spanning the entire width of the product storage path in the state where the drive shaft 13 is fitted at right angles to the lower center portion of the first product receiving plate 9 is positioned in front of and behind the product storage shelf base 14. It is pivotally supported by a through hole 16 provided in each of the L-shaped bending flange portions 15a and 15b, and is rotatably mounted on the left and right. Then, an operating member 17 having an inverted U-shaped cam shape is pressed into the rear portion of the first product receiving plate 9 on the carry-out side of the drive shaft 13 with an elastic pin (not shown) and locked to the drive shaft 13, At the other end, a connecting member 19 having a U-shaped notch is locked by a pin 18.
[0031]
On the other hand, a second product receiving plate 20 that can be rotatably opened at one point behind the first product receiving plate 9 in the unloading-side product passage of the product storage shelf base 14 has a through hole 21 and a substantially inverted M-shaped claw. The portion 22 protrudes, and the other end has a shape having a thin R-shape. Then, an L-shaped support plate 23 having a curl is axially attached to the through-hole 21 of the second product receiving plate 20 with a shaft 24, and screws are respectively mounted on the product sliding surfaces of the two left and right product storage paths. At 25 is attached.
[0032]
5 and 7, when the second product receiving plate 20 is in the horizontal state, the A-claw portion 26 and the B-claw portion 27 provided on the operating member 17 having an inverted U-shaped cam shape are provided. Mounted close to. Then, when the drive shaft 13 is rotated clockwise, the A-claw portion 26 provided on the operating member 17 abuts on the second product receiving plate 20 on the left side and rotates upward, and at the time when it is slightly operated, The lower claw 22A of the substantially U-shaped claw portion 22 of the second product receiving plate 20 is brought into contact with the B claw portion 27 provided on the operating member 17, and further rotates and tilts upward.
[0033]
When this position is reached, the position detection switch 46 in the drive motor 44 shown in FIG. 1 is configured to operate, and the A claw portion 26 that starts rotating counterclockwise from this state is the second product. When the second merchandise receiving plate 20 comes to a horizontal state when the second merchandise receiving plate 20 comes to a horizontal state, the operating member 17 having an inverted U-shaped cam shape is brought into contact with the upper claw 22B of the substantially M-shaped claw portion 22 of the receiving plate 20. Are configured to be separated. In this state, the position detection switch 46 operates and the drive motor 44 stops.
[0034]
On the other hand, in FIGS. 5 and 6, when the drive shaft 13 rotates in the counterclockwise direction, the B-claw portion 27 provided on the operating member 17 comes into contact with the right second product receiving plate 20 ′ and rotates upward. Then, at the time of a slight actuation, the lower claw 22A of the second merchandise receiving plate 20 ', the lower claw 22A of which is provided on the actuating member 17, enters, and further pivots upward. It is supposed to.
[0035]
When this position is reached, the position detection switch 46 in the drive motor 44 operates. When the clockwise rotation starts from this state, the B-claw portion 27 comes into contact with the upper claw 22B 'of the substantially M-shaped claw portion 22 of the second product receiving plate 20' and presses downward, so that the second claw portion 27 is pressed. When the product receiving plate 20 'comes to a horizontal state, the operating member 17 having the inverted U-shaped cam shape is separated. Further, in this state, the position detection switch 46 is operated, and the drive motor 44 is stopped.
[0036]
Next, in FIG. 1 to FIG. 4 and FIG. 8, a substantially rail-shaped sliding member 28 is fixed to the product storage shelf base 14 with a screw at the lower part of each product storage path. Has a plurality of protruding ribs 29 for reducing the contact resistance with the product, which are arranged at the entire depth of the sliding member, thereby forming a sliding surface of the product. Further, an L-shaped delivery push plate 31 which can slide on both end portions 30 and 30 'of the sliding surface in the product carrying direction is provided. At both lower ends of the push plate 31, substantially U-shaped inner grooves 33 and 33 'having a claw portion 32 are provided, and are loosely fitted and inserted into both end portions 30 and 30' of the sliding surface.
[0037]
On the front surface of the L-shaped push-out plate 31, there is provided a display 34 indicating that the product has sold out, and on the back surface, a spiral elastic member 35 is provided rotatably on a shaft 36. One end of the spiral elastic member 35 penetrates the lower square hole 37 of the L-shaped delivery push plate 31 and is buried from the surface between the upper ribs 29 of the sliding member 28, and extends over the entire depth of the sliding member 28. Now, the second product receiving plate 20 is stretched with screws at the rear part.
[0038]
Next, an L-shaped detection operating bar 39 is provided at the front end of the substantially rail-shaped sliding member 28. The detection operation rod 39 has a locking washer 40 fixed to one end thereof, a compression spring 41 inserted in the front side thereof, and a hole of the L-shaped bending flange 15b of the commodity storage shelf base 14 passed through. It has a locking piece 42 bent in the shape of a letter, and is attached so as to always urge it rearward.
[0039]
Then, when the L-shaped delivery push plate 31 moves to the front end of the sliding member 28 and comes to the second product receiving plate 20 position, the claw portions 32 of the detection operation rod 39 are provided at both lower ends of the delivery push plate 31. It is configured such that the detection operation bar 39 is moved by being brought into contact with and pressed against the locking piece 42 bent into an L shape.
[0040]
Next, a position detection switch 46 that operates when the drive motor 44 and the drive motor shaft 45 rotate 90 ° is provided on the drive motor fixing plate 43 provided at the rear of the product storage shelf 5 with respect to the two product storage paths 6. And is detachably engaged with a connection member 19 having a U-shaped notch of the drive shaft 13. Further, the product detection switch 47 is configured to abut on a detection operation bar 39 provided in each product storage path.
[0041]
When the product storage shelf 5 is pulled out along the side rail portions 6A, 6A and then stored to the back, the connection member 19 is coupled to the drive motor shaft 45, the detection operation bar 39 is engaged with the product detection switch 47, and the lock mechanism is provided. It is configured not to move at 48.
[0042]
The operation of the merchandise unloading device of the vending machine configured as described above will be described below with reference to FIGS.
[0043]
First, at the time of standby for sales, the first product 4 is stored in the first product receiving plate 9 by being pressed by the L-shaped delivery push plate 31 behind the first product 4.
[0044]
Next, when the sales signal of the left side product passage is input to the drive motor 44 and rotates, and the drive shaft 13 rotates clockwise, the light-transmitting first product receiving plate 9 fixed to the drive shaft 13 and the operating member 17 rotates. Thereby, the A-claw portion 26 provided on the operating member 17 having the inverted U-shaped cam shape from the horizontal state is brought into contact with the second product receiving plate 20 on the left side. When it is rotated upward and slightly operated, the lower claw 22A of the substantially M -shaped claw 22 of the second product receiving plate 20 is brought into contact with the B claw 27 provided on the operating member 17, and further upward. When the product is rotated and tilted, the product moves upward.
[0045]
When the product comes to the uppermost position, the first product receiving plate 9 rotates 90 degrees to the right, and the first product moves to the transport path and is carried out . Then, the second product moves to the carry-out side, but the second product receiving plate 20 protrudes from the sliding surface, and the second product is blocked and held. Then, when the drive motor shaft 45 rotates 90 °, the position detection switch 46 that operates is activated, and the drive motor 44 rotates counterclockwise in the reverse direction. Next, the second product receiving plate 20 returns to the horizontal state, and stops when the position detection switch 46 operates. At this time, the product is moved in the direction of the carry-out port by the L-shaped delivery push plate 31 by the spiral elastic member 35, but the first product receiving plate 9 is also returned to the standby state, and the product falls to the transport path. It is stopped without stopping.
[0046]
When the sales signal of the right product passage is input to the drive motor 44 and rotated, and the drive shaft 13 rotates counterclockwise, the first translucent product receiving plate 9 fixed to the drive shaft 13 and the operating member 17 Rotates. As a result, the second product receiving plate 20 ′ is brought into contact with the left second product receiving plate 20 ′ when the B-claw portion 27 provided on the operating member 17 having the inverted U-shaped cam shape from the horizontal state. The upper claw portion 26A provided on the operating member 17 with the lower claw 22A of the inverted U-shaped claw portion 22 'of the second product receiving plate 20' enters at the time when it is slightly operated. When the product is rotated and tilted upward, the product moves upward.
[0047]
When the product comes to the uppermost position, the first product receiving plate 9 rotates 90 degrees to the left, and the first product moves to the transport path and is carried out . Then, the second product moves to the carry-out side, but the second product receiving plate 20 'protrudes from the sliding surface, and the second product is similarly blocked and held. Then, when the drive motor shaft 45 rotates 90 °, the position detection switch 46 ′ that operates is activated, the drive motor 44 rotates counterclockwise in the forward direction, and the second product receiving plate 20 ′ returns to a horizontal state and stops. . At this time, the L-shaped push-out plate 31 'moves the goods toward the carry-out direction by the spiral elastic member 35', but the first goods receiving plate 9 is also returned to the standby state, and the goods are moved to the transport path. Stopped without falling and stopped.
[0048]
When there is no product in the product storage path, the L-shaped delivery push plate 31 of the substantially rail-shaped sliding member 28 moves in the direction of the carry-out port, and the claw portion 32 of the push plate 31 becomes the L-shape of the L-shaped detection operating rod 39. When the detection operation rod 39 is moved by contacting and pressing the bent locking piece 42, the detection piece 39 is separated from the product detection switch 47, and by detecting the sold out, the circuit cannot be sold .
[0049]
With such a configuration, the configuration of the product unloading device 8 of the product storage shelf 5 is simple and translucent, so that the product can be clearly checked, and the second product receiving plates 20, 20 'rotate and tilt. Therefore, it is possible to reliably carry out the products one by one to the transport path.
[0050]
Also, one drive motor 44 may be provided for each of the two product storage paths, and the product storage shelf 5 has no wiring for sale, and vibrations and shocks in the pull-out operation are not transmitted to the wiring, so that high reliability is provided. A vending machine product delivery device can be provided.
[0051]
【The invention's effect】
Trade unloading device for an automatic vending machine of the present invention as is a thin simple construction product unloading device. And, since the merchandise can be stored and carried out vertically, the merchandise can be sold as it is, and a showcase type vending machine can be seen from the outside. Therefore, a low-priced vending machine can be provided which does not require the same sample as a product for sale.
[0052]
In addition, since the second product receiving plate is provided on the sliding surface of the product exit, the first product can be pushed out and the second product can be blocked, so that the product path adjustment operation can be performed even if the product diameter is different. An unnecessary and highly versatile product delivery device for a vending machine can be provided.
[0053]
In addition, the transmission drive unit and the drive motor are small, and can be configured with half the number of product storage paths, are provided in each product passage with a low-cost and thin structure, and the product discharge device occupies in the vending machine. The space is very small and can store many products.
[0054]
When storing products , the product storage shelf is pulled out to the front. The present invention can provide a highly reliable product carrying device without poor contact and the like.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a product unloading device of a vending machine according to one embodiment of the present invention. FIG. 2 is a perspective view of the product unloading device shown in FIG. 1. FIG. FIG. 4 is an enlarged front view of a first product receiving plate of the product unloading device shown in FIG. 1; FIG. 5A is a sale of an operating member of the product unloading device shown in FIG. FIG. 6 (a) is a front view of a main part of a standby position, and FIG. 6 (a) is a side view of a main part of a working standby position of an operating member of the product unloading device shown in FIG. FIG. 7B is a front view of a main part showing a state in which the operating member has operated counterclockwise; FIG. 7B is a side view of a main part showing a state in which the operating member of the product unloading device shown in FIG. 1 has operated counterclockwise; (A) is a main part front view showing a state in which an operating member of the product unloading device shown in FIG. 1 is operated clockwise, and (b) is a product unloading device shown in FIG. 1. Partial side view of the actuating member indicates a state in which operation in the clockwise direction in FIG. 8 partial side view of a product detection switch of the same article carrying-out apparatus shown in FIG. 1 [Description of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 3 Transparent glass 4 Merchandise 5 Merchandise storage shelf 6 Side rail part 7 Merchandise storage road board 8 Merchandise unloading device 9 First merchandise receiving plate 13 Drive shaft 14 Merchandise storage rack base 15 Flange part 17 Operating member 19 Connection member 20 Second product receiving plate 22 Inverted U-shaped claw portion 23 Support plate 26 A claw portion 27 B claw portion 28 Sliding member 29 Protruding rib 31 Sending out push plate 32 Claw portion 34 Sold out display 35 Elastic member 38 Inverted U-shaped Groove 39 Detection operating rod 44 Drive motor 46 Position detection switch 47 Product detection switch

Claims (5)

A product storage shelf in which a plurality of product storage paths for storing a plurality of products arranged in the front-rear direction are arranged in a plurality of rows; and two product storage paths adjacent to the product storage path exit portion at a front end of the product storage shelf. A first product receiving plate provided rotatably one by one with respect to the left and right, a drive shaft for rotating the first product receiving plate, and interlocking with the rotation of the first product receiving plate. And a second product receiving plate provided on the product sliding surface side of each of the product storage paths behind the first product receiving plate and rotated upward by the rotation of the operating member. Consisting of
At the time of sales standby, the second product receiving plate does not protrude from the product sliding surface, and the first product receiving plate is set so that the products of two adjacent product storage paths do not drop from the exit of the product storage path. A board closes the product storage path, and the first product in the product storage path is in contact with the first product receiving plate from behind,
When unloading the product in the left product storage path among the two adjacent product storage paths, the drive shaft rotates clockwise, and the rotation of the drive shaft causes the first product receiving plate to move to the right. As the operating member rotates, the operating member also rotates, and the rotation of the operating member causes the second product receiving plate of the left product storage path of the two adjacent product storage paths to rotate upward and tilt, and When the second product receiving plate projects from the product sliding surface, the first product in the product storage path on the left is dropped from the exit of the product storage path, and the second product receiving plate protrudes. By regulating the movement of the second product in the product storage path on the left to the exit of the product storage path,
When unloading the product in the right product storage path among two adjacent product storage paths, the drive shaft rotates counterclockwise, and the rotation of the drive shaft causes the first product receiving plate to move to the left. And the operating member also rotates, and the rotation of the operating member causes the second product receiving plate of the right product storage path of the two adjacent product storage paths to rotate and tilt upward. When the second product receiving plate projects from the product sliding surface, the first product in the product storage path on the right side is dropped from the exit of the product storage path, and the second product receiving tray protrudes. A product unloading device of a vending machine configured to restrict movement of a second product in the product storage path on the right side to an exit of the product storage path by a plate. Provided the push plate to the commodity storage path feed to the movement of goods to hold the elastic member and the elastic member for urging the carry-out side from the rear to the product storage passage, the sold item to carry-out port side of said delivery push plate 2. The device according to claim 1, wherein the character portion is integrated. 3. The device according to claim 1, wherein the first product receiving plate is formed of a translucent material. A connecting member which can rotate is fixed to the provided behind the product housing passage said drive shaft, when said connecting member and the holding and the detachable is provided a freely drive motor, drew merchandise storage bin, the drive motor and the product unloading device are separated and the article carrying-out device for an automatic vending machine according upon receiving said product storage shelving from claim 1 that can be coupled to any one of claims 3. It has a detection operation rod that is pressed and operated by the push plate, and a product detection switch that is provided behind the product storage path and abuts on the detection operation rod, separates when the product storage shelf is pulled out , and separates the product storage shelf. 5. The device according to any one of claims 2 to 4, wherein the device is configured to be able to contact when stored.

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