JP3497981B2 - Opening / closing device for the exit of vending machines - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to automatic vending in which a canned product stored in a product storage at a predetermined temperature is carried to a product take-out port through a carry-out port of an inner door for sale at the time of sale. The present invention relates to a device for opening and closing an exit of an inner door of a machine.

[0002]

2. Description of the Related Art FIG . 5 is an outline view of a conventional vending machine equipped with a carry-out port, and FIG. 6 is a sectional view of a conventional carry-out port.
In FIG. 5 and FIG. 6 , 1 is a main body cabinet of a vending machine, 2 is an outer door, 3 is a container for storing canned products, which is stored at a predetermined temperature. Door 5 is a carry-out port opened to the inner door 3, 6 is a flapper that is attached so as to be openable and closable with the upper end side as a fulcrum and always closes the carry-out port 5, 7 is a product take-out port provided under the outer door 2,
Reference numeral 8 denotes an outlet of the product outlet 7. In FIG. 5 and FIG. 6 , products such as canned beverages are heat-insulated in the main body cabinet 1 of the vending machine, and the front of the product storage 4 is opened and closed by the heat-insulating inner door 4, respectively. Are stored in either cold or hot state according to the type of the product, and the inner door 3 that covers the front of the product storage 4 in which those products are stored has a carry-out port 5 for carrying out the product. , And a flapper 6 that closes the carry-out port 5 so as to be openable and closable.

In the above structure, when a coin is inserted into a coin insertion opening (not shown) of the outer door 2 and a product is selected, the selected product is transferred from the product storage 4 to the carry-out port 5 of the inner door 3. It is carried out toward the outside door 2 by pushing the flapper 6 open.
Will be taken to the product outlet. After that, the product can be taken out by opening the take-out port 8 of the product taking-out port 7.

[0004]

By the way, in the conventional construction, the carry-out port is closed by the flapper's own weight, so that it has the following problems. When the product is unloaded, the product itself comes into direct contact with the flapper and pushes the flapper open, which causes an impact sound when the product collides with the flapper, which contributes to noise at the time of sale.

Since only the flapper's own weight closes the carry-out port, it contributes to the leakage of cold air (or warm air) in the product storage. Only the flapper's own weight closes the carry-out port, and since there is no mechanism such as a stopper, it may be necessary to take anti-theft measures from the product take-out port. If the inner door can be opened when the mode in the product storage is switched from cold to hot (or from hot to cold), it may be possible to shorten the time to reach the predetermined temperature, but at this time there is a means to open the carry-out port. There is no.

The present invention has been made in order to solve the above-mentioned problems, and its object is to eliminate the impact noise between the opening / closing device of the carry-out port and the product, because the carry-out port can be opened and closed as needed. Another object of the present invention is to provide a device for opening and closing an outlet of an inner door that reduces the leakage of cold (or warm) air in the refrigerator and has anti-theft measures.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 provides a heat insulation zone in a main body cabinet.
The front surface can be opened and closed with a heat-insulating inner door that has an outlet.
Products stored at a specified temperature in a closed product storage
At the time of sale, one product addressed to the product outlet through the outlet of the inner door
At vending machines that are shipped to the market for sale,
Closing the outlet of the inner door and rotating around the axis to carry out
Flapper that opens and closes the
Hold the center of rotation away from the Leica and the axis,
The cam that drives the striker and the motor that drives the cam.
And a motor that is activated according to the sale.
Strike by driving the striker
The flapper that is directly connected to the
When the cam rotates to the position where the
The capper returns to the origin by its own weight and closes the carry-out port.
After the top returns to the home position, press the striker with the cam
It is characterized by having a flapper stopper function .

With the above structure, the stowage of the flapper can be opened and closed at any time by driving the stoker of the flapper with the cam, and the striker can be pressed with the cam to take anti-theft measures. Further, if pressing force is applied when pressing the striker with the cam, the flapper can be pressed against the surface around the carry-out port, so that it is possible to prevent leakage of cold air or warm air.

Further, according to the second aspect of the present invention, a product stored in a main body cabinet at a predetermined temperature in a heat-insulating compartment, and a front face thereof is openably and closably closed by a heat-insulating inner door having an outlet. At the time of sale, in an automatic vending machine that carries out one product to the product outlet through the carry-out port of the inner door for sale, always closes the carry-out port of the inner door and slides up and down to open and close the carry-out port. A shutter, a rack connected to the shutter, a pinion gear that meshes with the rack, and a motor that drives the pinion gear are provided, and the motor driven according to the sale moves the shutter up and down through the pinion gear and the rack. It is characterized in that the carry-out port is opened and closed by doing so.

With the above-described structure, the carry-out port is driven by the rack, the pinion gear, and the motor to move up and down, so that it can be opened and closed as needed. Also bill
According to the invention of Item 3 , the main body cabinet is heat-insulated and partitioned,
At the time of sale, the product stored at a predetermined temperature in a product storage box that can be opened and closed by a heat-insulating inner door having a carry-out port is delivered to the product take-out port through the carry-out port of the inner door at the time of sale. In a vending machine for sale, a shutter that always closes the outlet of the inner door and slides up and down to open and close the outlet, and a shutter that is integrally provided with the shutter and is vertically aligned and is substantially horizontal. An intermittent belt member having a claw protruding from the claw, a claw protruding from a loop-shaped belt surface, and meshing between the upper and lower claws when moving forward and backward along the loop; and driving the intermittent belt member. A motor is provided to drive the upper and lower intermittent belt members when the shutter is closed by a motor that is driven according to sales, and the claws of the intermittent belt member move forward to slide the shutter upward and open the carry-out port. , When the claws of the intermittent belt member reach the vicinity of the upper limit and the claws of the intermittent belt mechanism and the upper and lower claws of the shutter disengage from each other, the shutter descends by its own weight to close the carry-out port, and the claws of the intermittent belt member descend further. It is characterized in that it is brought into a standby state by being engaged between the upper and lower claws of the shutter at that time.

With the above construction, the claw of the intermittent belt member comes between the upper and lower claws of the shutter when the shutter is closed, so that the claw of the intermittent belt member and the lower claw of the shutter are affected by an external force. You can prevent the shutter from opening,
Anti-theft measures are possible. Moreover, as described in claim 4 ,
The opening / closing device for an outlet of an inner door according to any one of claims 1 to 3 , wherein when the outlet is opened, the product outlet of the outer door is prevented from being opened, and when the outlet is closed, the outer door is opened. Allows opening of product outlets.

With the above construction, the product outlet is closed when the carry-out port is open, and the product take-out port can be opened when the carry-out port is closed. Therefore, even if the carry-out port is open, mischief from outside can be prevented. It will be possible. In addition, claim 5
As described above, in the opening / closing device for the outlet of the vending machine according to any one of claims 1 to 4 , when the ambient temperature in the product storage compartment is lower than that in the interior during cold operation, or the product When the inside temperature of the storage is higher than that of the storage during hot operation, the carry-out port of the inner door is opened to rapidly cool or rapidly heat the products in the product storage.

With the above-described structure, the carrying-out port can open the shutter or flapper and stop the motor for opening and closing the shutter or flapper that closes the front surface at the shutter or flapper open position to change the operation mode from cold to hot. It is possible to shorten the switching time when switching (or from hot to cold).

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the structure of the main part of the embodiment of the invention of claim 1, (a) is a front view and (b) is a side view. In FIG. 1 and subsequent figures, members given the same reference numerals as those in the conventional example have approximately the same functions, and therefore description thereof will be omitted. Further, since the vending machine equipped with the opening / closing device for the outlet of the inner door shown in FIG. 1 and thereafter is substantially the same as that described in FIG. 5 of the conventional example, the description thereof will be omitted. In FIG. 1, reference numeral 3 denotes an inner door that opens and closes the front surface of a product storage compartment, which is heat-insulated in the main body cabinet, and 5 is for passing products carried out from the product storage compartment toward a product outlet. Carrying port opened to the inner door 3, 6
Is a flapper that opens and closes the carry-out port 5, 6a is a shaft that forms the center of swing of the flapper, 6b is a motor that drives a cam, which will be described later, and 6c is a striker that projects substantially perpendicularly to the shaft 6a.
Reference numeral 9 denotes a cam that drives the striker 6c.

In FIG . 1 , the shaft 6a is rotatably supported by a bearing (not shown). The cam 9 pushes up the striker 6c so that the shaft 6a and the flapper 6 are opened by the flapper 6, and the contact between the striker 6c and the cam 9 is released after the flapper 6 is fully opened.
And the striker 6c are the origin (the position where the carry-out port 5 is closed)
It is a combination with the part that is designed to return to.

In the above structure, the motor 6b is driven when the selling operation is started. When the cam 6 is driven by the motor 6b, the cam 9 pushes up the striker 6c, the shaft 6a rotates as the striker 6c swings, and the flapper 6 fixed to the shaft 6a swings toward the opening of the carry-out port 5. .
When the cam 9 is further rotated, the flapper 6 is fully opened, and then the contact between the cam 9 and the striker 6c is released and the striker 6c is released.
And the flapper 6 returns to the origin. After that, the cam 9 is slightly reversed to hold down the striker 6c so that the flapper 6 does not open.

The shape of the cam 9 is other than the cochlear shape. The part for pushing up the striker 6c, the part for pushing up the striker 6c after the part for pushing up the striker 6c, and the part for pushing up the striker 6c are provided on the opposite side of the part for pushing up the striker 6c. It may be a cross shape having a portion for pressing 6c. FIG. 2 shows a block diagram of a main part of the embodiment of the invention described in claim 2 . In FIG. 2 , 3 is an inner door that opens and closes the front surface of a product storage compartment that is heat-insulated in the main body cabinet, and 5 is for passing the products carried out from the product storage container toward the product outlet. The carry-out port 10 that opens to the inner door 3 has racks 11 on both sides that close the front surface of the carry-out port 5 and that is connected to the pinion gear 12, and are supported by the pinion gear 12 and the rack 11 so as to be slidable up and down. The shutter 10a is the pinion gear 12
Shows a motor for driving. In the above configuration, the inner door 3
The shutter 10 that closes the front surface of the carry-out port 5 opened to the front so that it can slide up and down is supported by engaging the racks 11 on both sides with the respective pinion gears 12. Therefore, when the selling operation is started, the motor 10a is driven to rotate the pinion gear 12 to vertically move the rack 11 meshing with the pinion gear 12 to slide and open the front surface of the carry-out port 5.

3A and 3B show the structure of the main part of the embodiment of the invention described in claim 3, wherein FIG . 3A is a front view and FIG. 3B is a side view. In FIG. 3 , 3 is an inner door that opens and closes the front surface of a product storage compartment that is heat-insulated in the main body cabinet, and 5 is for passing the products carried out from the product storage container toward the product outlet. Carrying port opened in the inner door 3,
A shutter 10 has an upper claw 10b and a lower claw 10c which are provided on the front surface of the carry-out port 5 so as to close the front surface of the carry-out opening 5, and which are vertically arranged to project. Is an intermittent belt member endlessly formed vertically long and supported by upper and lower shafts so as to be rotatable by a motor 10a, and 13a is the intermittent belt member 13
Shows the claw protruding outward.

In FIG . 3 , a shutter 10 having an upper claw 10b and a lower claw 10c, which are vertically juxtaposed to each other, has a mechanical stopper (not shown) that stops the movement below when the delivery port 5 is closed, and a delivery port when sliding. 5 is slidably supported by a guide so as not to deviate from the front surface of the belt 5, and at the position where the carry-out port 5 is closed, it projects toward the intermittent belt member 13 at the same level as the lower axial center of the intermittent belt member 13. The installed claw 13a is the upper and lower claws 10b, 1
It is formed so as to be sandwiched between 0c.

In the above structure, when the motor 10a is driven to rotate the intermittent belt member 13 counterclockwise toward the side view in accordance with the start of the selling operation, the pawl 13a hooks the upper pawl 10b of the shutter 10 and lifts it. Along with that, the shutter 10 rises to open the carry-out port 5. Further, by rotating the intermittent belt member 13, the intermittent belt member 13
When the claw 13a rises to a level substantially the same as the upper shaft of the, the engagement between the upper claw 10b and the claw 13a is released, and the shutter 10 returns to its original position by its own weight to close the carry-out port 5. Shutter 1
After 0 returns to the origin, the intermittent belt member 13 is rotated to stop at the position where the claw 13a is sandwiched between the upper and lower claws 10b and 10c. In this state, if the shutter 10 is lifted from the outside to open the carry-out port 5, the lower claw 10c will move to the claw 13.
It plays the role of a stopper by hitting a, and prevents further opening of the carry-out port 5.

FIG . 4 is a block diagram of the essential parts of an embodiment of the invention described in claim 4 . In FIG. 4 , 2 is an outer door,
Reference numeral 3 denotes an inner door that opens and closes a front surface of a product storage compartment that is heat-insulated in the main body cabinet, and 5 denotes an inner door 3 for passing a product carried out from the product storage compartment toward a product outlet described later. 6A is a flapper that closes the carry-out port 5, 7 is a product take-out port that takes out the product carried out from the product storage, 8A is a take-out port that closes the front surface of the product take-out port 7 in an openable and closable manner, 14 Is a cam which is driven by a driving device (not shown) to rotate counterclockwise to open and close the outlet 8A and to rotate clockwise to lock the opening and closing of the outlet 8A, and 15 opens and closes the flapper 6A. An actuator, 16 is an internal temperature sensor that detects the temperature inside the product storage, and 17 is an ambient temperature sensor that detects the ambient temperature.
In FIG. 4 , the flapper 6A that closes the front surface of the carry-out port 5 that opens to the inner door 3 is opened and closed by an actuator 15 connected by a link with the swing axis of the flapper 6A as a fulcrum. The take-out port 8A of the product take-out port 7 is swingably supported inside the outer door 2, and is illustrated so that the take-out port 8 does not open while the flapper 6A is open in association with the opening and closing of the flapper 6A. It is locked by the cam 14 driven by a drive source which is not operated, and the lock of the outlet 8 by the cam 14 is released while the flapper 6A is closed.

In the above structure, when the price is input at the time of sale and a product is selected, the cam 14 is driven in the clockwise direction by a drive device (not shown) so that the outlet 8A of the product outlet 7 cannot be opened. Locked, while inner door 3
The flapper 6A that closes the front surface of the carry-out port 5 opened to the front is opened by the actuator 15 in preparation for carrying out the product from the product storage. When the product passes through the carry-out port 5 and is carried out to the product take-out port 7, the flapper 6A is closed by the actuator 15, and the take-out port 8A of the product take-out port 7 is locked by the cam 14 after the flapper 6A is closed. It can be released and opened.

If the temperature detected by the internal temperature sensor 16 is lower than the temperature detected by the ambient temperature sensor 17 when the operation mode in the product storage is switched from cold to hot, the flapper 6A is opened to open the internal storage. The temperature is adjusted to the ambient temperature, and the flapper 6A is closed when the temperature detected by the internal temperature sensor 16 becomes higher than the temperature detected by the ambient temperature sensor. Similarly, when the operation mode is switched from hot to cold, the detected value of the inside temperature sensor 16 is compared with the detected value of the ambient temperature sensor 17, and the detected value of the inside temperature sensor 16 is lower than the detected value of the ambient temperature sensor 17. While high, open flapper 6A and leave it alone. The opening / closing control of the flapper 6A at the time of this mode switching is released at the time of sale, and the control at the time of sale has priority.

[0024]

According to the present invention, the impact noise caused by the collision of the commodity with the flapper at the carry-out port of the inner door is eliminated at the time of sale, and when the flapper is opened, the take-out port of the commodity take-out port is closed to prevent theft. It has the effect of increasing the temperature and bringing the target temperature closer to the target temperature as soon as possible when the operation mode in the refrigerator is switched.

[Brief description of drawings]

1A and 1B show a configuration of a main part of an embodiment of the invention described in claim 1, where FIG. 1A is a front view and FIG. 1B is a side view.

FIG. 2 is a configuration diagram of a main part of an embodiment of the invention according to claim 2 ;

3A and 3B show a configuration of a main part of an embodiment of the invention described in claim 3, wherein FIG. 3A is a front view and FIG.

FIG. 4 is a configuration diagram of a main part of an embodiment of the invention according to claim 4 ;

FIG. 5 is an external view of a conventional vending machine equipped with an outlet.

FIG. 6 is a cross-sectional view of a conventional delivery port.

[Explanation of symbols]

3 inner door 5 exit 6,6A flapper 7 Product outlet 8 Exit 9, 14 cam 10 shutters 10a motor 10b Upper nail 10c Lower nail 11 pinion gears 12 racks 13 Intermittent belt member 13a nail 15 Actuator 16 Internal temperature sensor 17 Ambient temperature sensor

Claims (5)

(57) [Claims] 1. A heat insulation section is provided in the main body cabinet, and the front surface is
A product that can be opened and closed with a heat-insulating inner door that has a carry-out port
One product stored at a specified temperature in the storage box at the time of sale
Carry out to the product outlet through the outlet of the inner door
At vending machines for sale, always carry out the inner door
A flap that closes the mouth and rotates around the shaft to open and close the carry-out port.
The trumpet, the striker that protrudes at a substantially right angle to the shaft, and the front
The striker has a center of rotation at a position distant from the axis.
A cam for driving the motor and a motor for driving the cam are provided,
Drive the cam by a motor that is activated according to the sale
Directly connected to the striker by driving the striker
The flapper rotates to open the carry-out port, and the cam and striker
When the cam rotates to the position where
To return to the origin and close the carry-out port, and the flapper returns to the origin.
After returning home, hold the striker with the cam and press the flapper
An opening / closing device for the exit of a vending machine, which has a topper function . 2. A main body cabinet is heat-insulated so that the front surface is
A product that can be opened and closed with a heat-insulating inner door that has a carry-out port
One product stored at a specified temperature in the storage box at the time of sale
Carry out to the product outlet through the outlet of the inner door
At vending machines for sale, always carry out the inner door
Close the mouth and slide it up and down to open and close the outlet.
The rack, the rack connected to the shutter, and the rack.
The pinion gears that mesh with each other and the motor that drives the pinion gears.
And a motor driven according to the sale.
Move the shutter up and down via the union gear and rack.
An opening / closing device for an outlet in an automatic vending machine, characterized in that the outlet is opened / closed by doing so . 3. A heat insulation section is provided in the main body cabinet, and the front surface is
A product that can be opened and closed with a heat-insulating inner door that has a carry-out port
One product stored at a specified temperature in the storage box at the time of sale
Carry out to the product outlet through the outlet of the inner door
At vending machines for sale, always carry out the inner door
Close the mouth and slide it up and down to open and close the outlet.
And the shutter and the shutter are integrated with each other, and are vertically spaced.
Claws that are opened and juxtaposed substantially horizontally and a looped belt
When projecting on the surface and reciprocating along a loop,
An intermittent belt member having claws that mesh between the upper and lower claws,
A motor for driving the intermittent belt member is provided to respond to sales.
When the shutter is closed by a motor driven by
The lower intermittent belt member is driven and the claw of the intermittent belt member moves forward.
The shutter slides upward by moving and the exit
Is released, and the claw of the intermittent belt member reaches near the upper limit,
The engagement between the claws of the missing belt mechanism and the top and bottom claws of the shutter
When it comes off, the shutter descends by its own weight and closes the carry-out port.
In addition, the claws of the intermittent belt member are the upper and lower claws of the shutter when descending.
An opening / closing device for an outlet in an automatic vending machine, characterized by being brought into a standby state by being meshed with each other . 4. The method according to any one of claims 1 to 3.
At the outlet opening / closing device of the vending machine of
When opening the mouth, prevent the product outlet of the outer door from opening, and carry it out.
An opening / closing device for a carry-out port in a vending machine, which is capable of opening the product take- out port of the outer door when the car is closed . 5. The method according to any one of claims 1 to 4.
In the opening and closing device of the exit of the vending machine of
Ambient temperature is lower than the inside of the storage during cold operation
Case, or when the product storage is hot during operation
If the ambient temperature is too high, open the carry-out port of the inner door and
An opening / closing device for an outlet in an automatic vending machine, which is capable of rapidly cooling or rapidly heating products in a product storage .