JPH0956595A - Automatic tea feeding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic tea feeding machine which allows the decreasing of the number of members at the time of feeding plural kinds of tea, is inexpensive, is easy to assemble and has a good maintenance characteristic by providing the end of a discharge section with a first selective connector which selectively connects either one of the discharge section and a mixing section. SOLUTION: The first selective connector 82 is a faucet-like turning pipe which turns by oscillating laterally around the end of a discharge pipe 45 and pours hot water into a mixing bowl 51 like a faucet. The mixing section is constituted by this mixing bowl 51 and stirring vanes 52, etc., for stirring the inside. The first selective connector 82 is mounted at the discharge pipe 45 and is connectable to the plural mixing parts by operating a switching member. This discharge pipe 45 and the discharge side communicating pipes gathered thereto constitute the discharge path to lead the hot water or water in a cold water tank to the mixing bowl 51.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic tea dispenser for providing tea or the like.

[0002]

2. Description of the Related Art In recent years, an automatic tea supply machine which stores hot water or cold water in a tank and mixes powdered tea with hot water or cold water to supply tea has been widely used in offices and the like.

Therefore, a conventional automatic tea supply machine will be described with reference to the drawings. FIG. 9 is a schematic diagram of a conventional automatic tea feeding machine, FIG. 10 is a schematic system diagram of a conventional pumping type automatic tea feeding machine, and FIG. 11 is a schematic system of a conventional direct water supply type automatic tea feeding machine. It is a figure.

The conventional automatic tea dispenser main body 63 is constructed as follows. 27 is a water supply joint, 29 is a filter for removing dust, 30 is a check valve for preventing reverse flow of water,
31 is a cold water side water supply solenoid valve for supplying water to the cold water tank, 3
2 is a hot water side water supply solenoid valve for supplying water to the hot water tank, 22
Is a first water supply side continuous pipe for supplying water to the cold water tank, 8 is a second water supply side communication pipe for supplying water to the hot water tank, 20 is a cold water tank for storing cold water, and 23 is supplied to the cold water tank Baffle, which makes it difficult for water to mix with chilled water, 17
Is a water level sensor for detecting the water level of cold water, 39 is a cooler for cooling the water in the cold water tank, 38 is a water temperature sensor for detecting the water temperature of the cold water tank, 11 is a hot water tank for storing hot water, and 10 is supplied to the hot water tank. Baffle plate to prevent mixed water from mixing with hot water, 5 is a water level sensor that detects the water level of the hot water tank, 33 is a hot water temperature sensor that detects the hot water temperature of the hot water tank, and 9 is for making hot water and maintaining the hot water temperature Heater, 53 is a temperature rise preventer that shuts off the heater when the temperature in the hot water tank rises above, 48 is a cold water solenoid valve for supplying cold water, 49 is a discharge pipe for discharging cold water, 40 is a cold water side overflow A pipe, 41 is a drain pipe used when draining water in the cold water tank, 42 is a drain valve used when draining water in the cold water tank, 46 is a hot water solenoid valve for supplying hot water, 47 A discharge pipe for discharging hot water, 35 is a hot water overflow pipe, 36 is a drain pipe used when draining hot water from a hot water tank, 37 is a drain valve used when draining hot water from a hot water tank, and 16 is a cold beverage supply Cold beverage solenoid valve for operating, 3 is a hot beverage solenoid valve for supplying hot beverage, 4 and 21 are discharge side communication pipes, 44
Is a collecting pipe that connects the discharge side communication pipes of the cold water side and the hot water side, 4
5 is a discharge pipe for supplying cold water or hot water to the mixing ball, 53 is a canister for storing and supplying the powder raw material,
56 is a powdered raw material for tea or coffee, 55 is a screw for pushing out the powdered raw material 56, 54 is a raw material motor for operating the screw, 52 is a stirring blade for mixing the powdered raw material with cold water or hot water, which functions as a valve while rotating. Is.

Reference numeral 51 is a mixing ball, 50 is a mixing motor for rotating a stirring blade, 12 is control means for instructing the operation of a series of automatic tea supply machines, and 57 is an operation panel.

The 62 powdered tea supply unit includes a cold beverage solenoid valve 16, a hot beverage solenoid valve 3, communication pipes 4 and 21,
Collecting pipe 44, discharge pipe 45, canister 53, powder raw material 56, screw 55, raw material motor 54, stirring blade 5
2. Mixing ball 51, mixing motor 50, etc. are normally used.
It is arranged in 3 to supply 3 cold beverages, 3 hot beverages and 8 types of cold water and hot water.

Next, the general configuration of the system is shown in FIGS.
1 will be described. The water supply direct connection type shown in FIG. 11 has the following configuration.

Reference numeral 78 is a water supply pipe, 75 is a drainage receiver, 76 is a drainage pipe, 79 is a drainage trap, and water is supplied from the water supply pipe 78 to the main body 63 through the water supply joint 27. Drainage
Each drainage is once received by the drainage receiver 75 and drained to the drainage trap 79 via the drainage pipe 76.

The type of pumping up from the water tank shown in FIG. 10 has the following configuration. Reference numeral 70 denotes a lower body, which is made up of the components described below and serves as a pedestal for the body 63. 71 is a water tank, 73 is a pump, 72, 7
Reference numeral 4 is a communication pipe, 75 is a drainage receiver, 76 is a drainage pipe, and 77 is a drainage tank. The water pumped through the water tank 71 is operated through the communication pipes 72 and 74 to operate the pump 73 to pass through the water supply joint 27. Supply to the main body 63. As for the drainage, each drainage is once received by the drainage receiver 75 and is drained to the drainage tank 77 via the drainage pipe 76. In this case, the operation command for the pump 73 is issued from the electrically connected control means 12. The operation panel 57 includes a hot button 58, a cold button 59, a cold water button 61, and a hot water button 60.

The operation of the entire conventional automatic tea dispenser will now be described. If you want to drink hot tea, the main body 63
When the cup 64 is set in and the hot button 58 of the operation panel 58 is pressed, the hot beverage solenoid valve 3 opens and the hot water in the hot water tank 11 discharges the communication pipe 4, the collecting pipe 44, and the discharge pipe 45.
And is supplied to the mixing ball 51. Almost at the same time when the hot water starts to enter the mixing ball 51, the mixing motor 50 rotates the stirring blade 52 so that the hot water does not fall into the cup 64. When the hot water is supplied to the mixing ball 51 by about 1/3 of the predetermined amount, the raw material motor 54 is driven to rotate the screw 55 and drop the powder raw material 56 stored in the canister 53 into the predetermined amount of the mixing ball 51. After the supply of the predetermined amount of hot water and the predetermined amount of the powder raw material 56 is completed, the mixing by the mixing motor 50 and the stirring blade 52 is continued for a while to mix the hot water and the powder raw material 56.

When the mixing is completed, the mixing motor 50
Then, the stirring blade 52 stops, and the tea in the mixing ball 51 falls by its own weight and is supplied to the cup 64.

Next, the water supply to the hot water tank 11 will be described. When the hot beverage solenoid valve 3 is opened and a predetermined amount of hot water is supplied from the hot water tank 11, the water level of the hot water in the hot water tank 11 falls and the water level sensor 5 detects it, and the hot water side water supply solenoid valve 32 opens and the water supply joint 27 The water is supplied to the hot water tank 11 through the filter 29, the check valve 30, and the water supply pipe 28.

Here, if the water in the water tank 71 has run out, or if the water supply from the water supply pipe 78 has stopped, the water level sensor 5 keeps the predetermined level even if a certain time has elapsed after the hot water supply solenoid valve 32 was opened. When it is not detected that the water level has been returned to, the control means 12 judges that the water supply is abnormal and outputs an alarm of water shortage from the alarm device 65 with a buzzer or an abnormal lamp, and then stops the tea supply operation to normally supply water. Is being supplied.

Next, when water is supplied to the warm water tank 11, the water level of the hot water rises and when the water level reaches a predetermined level, the water level sensor 5 detects it and the hot water side water supply solenoid valve 32 is closed, but is supplied to the hot water tank 11. The baffle plate 10 is designed to prevent the mixed water from directly mixing with the hot water in the hot water tank 11. Further, when the temperature of the hot water falls below a predetermined temperature due to the water being supplied into the hot water tank 11, the hot water temperature sensor 3
3 detects this, and the heater 9 heats the hot water to a predetermined temperature. When the temperature of the hot water returns to a predetermined temperature, the hot water temperature sensor 33 detects it, and the heater 9 stops heating there. The series of operations are all controlled by the control means 12.

When drinking cold tea, the person who wants to drink cold tea sets the cup 64 on the main body 63 and presses the cold button 59 on the operation panel 57 to open the cold beverage solenoid valve 16 and the cold water in the cold water tank 20. Is supplied to the mixing ball 51 through the discharge side communication pipe 21, the collecting pipe 44, and the discharge pipe 45. Almost at the same time as the cold water begins to enter the mixing ball 51, the mixing motor 50 rotates the stirring blade 52 to prevent the cold water from falling into the cup 64. In addition, the cold water is mixed with the mixing ball 51 by a predetermined amount
When about 3 is supplied, the raw material motor 54 is driven to rotate the screw 55 to drop the powder raw material 56 stored in the canister 53 into the mixing ball 51 by a predetermined amount. After the supply of the predetermined amount of cold water and the predetermined amount of the powder raw material 56 is completed, the mixing by the mixing motor 50 and the stirring blade 52 is continued for a while to mix the cold water and the powder raw material 56. When the mixing is completed, the mixing motor 50 and the stirring blade 52 are stopped, and the tea in the mixing ball 51 falls by its own weight and is supplied to the cup 64.

Next, the water supply to the cold water tank 20 will be described. When the cold beverage solenoid valve 16 is opened and a predetermined amount of cold water is supplied from the cold water tank 20, the cold water level of the cold water tank 20 is lowered, the water level sensor 17 detects it, and the cold water side water feeding solenoid valve 31 is opened to supply water. , Filter 2
The cold water is supplied to the cold water rank 20 through the check valve 30, the check valve 30, and the water supply side communication pipe 22. Here, when a phenomenon similar to the water supply abnormality to the hot water tank occurs, it is detected that the water level sensor 17 has returned to a predetermined water level even after a certain time has elapsed since the cold water side water supply solenoid valve 31 was opened. If not, the control means 12 judges that the water supply is abnormal and outputs an alarm from the alarm device 65, and the normal operation is restored in the same procedure as the water supply abnormality to the hot water tank. When water is supplied to the cold water tank 20, the water level of the cold water rises and when it reaches a predetermined water level, the water level sensor 17 detects it and the cold water side water supply solenoid valve 31 is closed. Cold water tank 20
The baffle 23 prevents the water supplied to the cold water from directly mixing with the cold water in the cold water tank 20.

When the temperature of the cold water rises above a predetermined temperature due to the supply of water into the cold water tank 20, the water temperature sensor 38 detects it and the cooler 39 cools the cold water to a predetermined temperature. When the temperature of the cold water returns to a predetermined temperature, the water temperature sensor 38 detects it and the cooler 39 stops the cooling. The series of operations are all controlled by the control means 12.

If cold water is desired, use a cup 6 in the body 63.
4 is set and the cold water button 61 on the operation panel 57 is pressed, the cold water solenoid valve 48 opens and the cold water button 6 is discharged from the discharge pipe 49.
Cold water is continuously supplied to the cup 64 while pressing 1, and if hot water is desired, set the cup 64 on the main body 63 and press the hot water button 60 on the operation panel 57 to open the hot water solenoid valve 46 and open the discharge pipe. Hot water is continuously supplied to the cup 64 while pressing the hot water button 60 from 47. The series of operations are all controlled by the control means 12.

[0019]

When hot water or cold water is supplied to the mixing section from the hot water tank or from the cold water tank in the automatic tea dispenser having the above-mentioned contents, when there are a plurality of mixing sections, for example, three units, the number of them. The number of cold beverage solenoid valves and the number of hot beverage solenoid valves that correspond to the above are required, and the number of discharge side communication pipes that corresponds to the number of mixing portions is required.

Therefore, there are problems that the cost is high, the assembly is complicated, and the maintenance is difficult to perform.

[0021] Therefore, an object of the present invention is to provide an automatic tea dispenser which can reduce the number of members when feeding a plurality of types of tea, is inexpensive, is easy to assemble, and has good maintainability.

[0022]

In order to achieve the above object, the automatic tea supply machine of the present invention mixes the powder raw material supplied from one of the canister parts and the hot or cold water supplied from the discharge passage. A plurality of mixing sections are provided, and a first selective connection device for selectively connecting any one of the discharge path and the mixing section is provided at an end of the discharge path.

Suitably, the first selective connecting device is a faucet-like turning tube which turns about the end of the discharge passage.

It is preferable that the first selective connecting device is a multi-way valve that switches the flow paths by linearly sliding the spool.

It is preferable that the first selective connection device is a multi-way valve that switches the flow path by rotating the rotary valve body.

The automatic tea dispenser of the present invention is provided with a plurality of mixing sections for mixing the powder raw material supplied from one of the canister sections and the hot or cold water supplied from the discharge path, and the mixing section is moved to move the discharge path. A second selective connection device for selectively connecting one of the end portion and one of the mixing portions is provided.

Suitably, the mixing parts are arranged in a straight line, and the second selective connecting device is a reciprocating device for moving the mixing parts along the straight line.

[0028] It is preferable that the mixing portions are arranged on the circumference, and the second selective connecting device is a turning device for turning the mixing portion along the circumference.

It is appropriate that the mixing section is provided with a stirring member, and a non-contact type joint is provided between the stirring member and the mixing motor for driving the stirring member.

It is preferable that the canister is provided with a screw, and a non-contact type joint is provided between the screw and a canister motor for driving the screw.

[0031]

According to the present invention, since the first selective connecting device capable of selectively connecting either the discharge passage or the mixing portion is provided at the end of the discharge passage, the discharge passage can be simplified.

Since it is a faucet-like turning path that turns around the end of the discharge path, the structure of the selective connecting portion is simple.

It is compact because it is a multi-way valve that switches the flow path by linearly sliding the spool. It is safe because it is a multi-way valve that switches the flow path by rotating the rotary valve body.

Since the second selective connection device for moving the mixing portion to selectively connect the discharge passage end portion and one of the mixing portions is provided, the discharge passage is simplified and the number of valves is reduced. You can

Since the second selective connecting device is a reciprocating device that linearly moves the mixing section, the mechanism is simple. Since the second selective connection device is a rotating device that rotates the mixing portion on the circumference, the moving distance is small and the device is compact.

Since the non-contact type joint is provided between the stirring member and the mixing motor, it is possible to use only one mixing motor. Since a non-contact type joint is provided between the screw and the canister motor that drives the screw, it is possible to use only one canister motor.

[0037]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An automatic tea dispenser according to an embodiment of the present invention will be described below with reference to the drawings. The same reference numerals as those used in the description of the conventional automatic tea dispenser are basically the same in the embodiments of FIGS. 1 to 8 as well, and therefore the description will be given to the conventional automatic tea dispenser. Omit it. FIG. 1 is a schematic perspective view of a first selective connecting device of an automatic tea dispenser according to a first embodiment of the present invention. As shown in FIG. 1, the first selective connecting device of the automatic tea dispenser of the present embodiment swings its head left and right around the end portion of the discharge pipe 45, and rotates inside the mixing ball 51 like a faucet. It is a faucet-like turning tube that pours hot water into. This mixing ball 51 and a stirring blade 52 for stirring the inside thereof
A mixing unit is composed of (not shown) and the like. The first selective connection device 82 is attached to the discharge pipe 45 and can be connected to a plurality of mixing parts by operating the switching member. Further, the discharge pipe 45 and the discharge-side communication pipes 4, 21 that are gathered in the one discharge pipe 45 constitute a discharge passage for guiding the hot water or water in the hot water tank 11 and the cold water tank 20 to the mixing ball 51. It is a thing. The faucet-shaped turning tube is the discharge tube 4
It is rotatably attached to the end of 5, but this is
It is driven by rotating a gear attached to the faucet-shaped rotating tube by a small gear driven by a motor 81 and swinging to the left and right. A reversible motor is used as the motor 81. The faucet part of the faucet-shaped turning tube is the hole 1 of the mixing ball 51 which is desired to be selected by the swinging movement to the left and right.
It is moved to the position of 08. When the faucet portion comes to the center position of the hole 108, the motor 81 is stopped, the discharge pipe 45 and one of the mixing portions are selectively connected, and the hot or cold water in each tank 11, 20 is mixed with the mixing ball 51.
Is supplied to. The control of the series of movements is performed by the control means 12 including a microcomputer or the like. Since the first selective connecting device 82 composed of the faucet-shaped turning tube is provided at the end of the discharge passage as described above, it is not necessary to separately provide the discharge passage for each mixing portion, and only one set may be provided and switched. Therefore, the structure of the discharge path can be simplified. At the same time, the number of the hot beverage solenoid valve 3 or the cold beverage solenoid valve 16 which has to be provided in each of the discharge side communication pipes 4 and 21 may be one.

FIG. 2 is a schematic perspective view of the first selective connecting device of the automatic tea feeder in the second embodiment of the present invention. As can be seen from FIG. 2, the second embodiment uses the same faucet-shaped turning tube and motor 81 as the first selective connecting device 82 of the first embodiment, but unlike the first embodiment, the mixing ball 51 is used. Are not dispersed but are adjacent and integrated, and the hole 108 is formed in a substantially V shape as one elongated hole under the locus of an arc in which the faucet-like portion moves. Each mixing ball 51 has an agitation blade 52 (not shown), and the respective mixing portions formed from the mixing balls are simply separated from each other, and the respective mixing portions are continuously switched by rotating the faucet portion. You can Therefore, as in the first embodiment, dripping does not occur when switching from one mixing unit to another mixing unit,
Position control of the faucet part is not so required.

FIG. 3 is a schematic sectional view of a first selective connecting device of an automatic tea dispenser according to a third embodiment of the present invention. As shown in FIG. 3, hot water or cold water supplied from the discharge pipe 45 enters the main body 83 of the first selective connection device 82 through the inlet joint 85. First selection connection device 8 of the third embodiment
2 is a spool valve type multi-way valve, which has a main body 83 and a spool 84.
Etc. The spool 84 is housed in the inner cavity formed in the body 83. The spool 84 has an outer shape that is substantially the same as the cross-sectional shape of the inner cavity of the main body 83, and like the main body 83, a deep hole having a bottom is formed from one side to the other end, and an actuator or the like attached to the outside is formed. Can be linearly slid by. Since the inner space of the deep hole has a plurality of holes formed in the side wall of the spool 84, it can communicate with the outside through the holes. Since the same number of holes are formed in the main body 83 at a pitch deviated from the position of the deep hole of the spool, the spool 84 is slid in the inner cavity of the main body 83 and the hole of the spool 84 and the main body 83.
When the holes of 1 match, one flow path connecting the discharge path and the mixing section is formed. In FIG. 2, the left holes are connected by moving the spool 84 to the right end, and the right holes are connected by moving the spool 84 to the left end.
Thus, in the case of the third embodiment, one discharge path and three
It is possible to selectively connect two mixing sections. A packing 86 seals between the inlet joint 85 and the main body 83, and a large number of O-rings 87 are provided between the main body 83 and the spool 84.
It is sealed with. No liquid drips from the flow path sealed by the O-ring 87. As described above, the first selective connection device 82 of the present embodiment is a multi-way valve that slides on a straight line to switch the flow path, and thus can have a compact structure.

FIG. 4 (a) is a schematic perspective view of the first selective connecting device of the automatic tea dispenser in the fourth embodiment of the present invention, FIG.
(B) is the first of the automatic tea feeding machine in the fourth embodiment of the present invention
FIG. 3 is a schematic cross-sectional view of the selective connection device of FIG. 4 (a) (b)
As shown in, the first selective connection device of the fourth embodiment is a multi-way valve that switches the flow path by rotating the rotary valve body 110. As a result, the discharge pipe 45 and one of the mixing balls 51 are selectively connected. The first selective connection device 82 of this embodiment comprises a rotary valve body 110, a main body 83, a seal 88 and the like. The main body 83 is provided with one valve inlet and a plurality of valve outlets. The valve inlet is connected to the discharge pipe 45, and the valve outlets are connected to the plurality of mixing balls 51, respectively. The rotary valve body 110 is a spherical body and has an L-shaped communication hole therein. One end of this communication hole is always connected to the valve inlet, and the other end is selectively rotated around the valve inlet to selectively select the valve outlet. Connected to. This connection is the rotary valve body 1
It is executed by a motor 81 that rotates 10. Inside the main body 83, a seal 88 made of an elastic body is provided in order to improve the seal between the rotary valve body 110 and the main body 83 and to facilitate the processing of the main body 83. After housing the rotary valve body 110 and the seal 88 in the main body 83, the pressing portion 109 is attached via the rubber packing 89. The motor 81 is placed on the pressing portion 109. The O-ring 90 is transmitted along the shaft to the motor 8
This is to prevent water from leaking to the first side. In the case of the fourth embodiment, the circumference of the discharge passage can be reduced to one, the number of the hot beverage solenoid valve 3 or the cold beverage solenoid valve 16 can be reduced, and the connection of the flow passage is reliable and no liquid is dripping. Can be done safely without.

FIG. 5 (a) is a partially omitted schematic perspective view of the second selective connecting device of the automatic tea dispenser in the fifth embodiment of the present invention, and FIG. 5 (b) is the fifth embodiment of the present invention. It is a schematic front view of the 2nd selective connection apparatus of an automatic tea supply machine. The above-described first selective connection device is one in which a movable member is attached to the side of the discharge pipe 45 to switch it. However, as shown in FIGS. The second selective connecting device 100 moves the side of the mixing unit, contrary to the first selective connecting device 82. The second selective connection device of the fifth embodiment is provided with a plurality of canister parts 53. In FIG. 5A, only one canister part 53 is shown by a solid line and the remaining two are shown by a wavy line. This is because if the canister portion 53 described with a wavy line is described with a solid line as it is, it becomes difficult to understand the inside, so the discharge pipe 45 and the hole 108.
It is virtually removed to make it easier to understand the connection state with and is made into a wavy line. Actually, the three canister parts 53 are arranged in a straight line in parallel. Further, the movable pedestal 94 and the like described in FIG. 5B are omitted in FIG. 5A for the same reason. In the fifth embodiment, no operating member is provided on the discharge pipe 45 side. Reference numeral 91 is a shooter for guiding the powder raw material from the canister portion 53 to the mixing ball 51. A plurality of units each including a canister portion 53, a shooter 91, a mixing ball 51, and the like are arranged on a straight line and mounted on a moving base 94, which is further mounted on a linear way 95 provided on a fixed base 93. Being moved on a straight line as a whole. The moving pedestal 94 is reciprocated by a reciprocating device that linearly moves the pedestal 94. The moving pedestal 94 of the fifth embodiment can be moved along a straight line by reciprocating a belt 92 provided in parallel with the linear way 95 with a motor. The second selective connecting device 100 of the automatic tea dispenser of the fifth embodiment is composed of the reciprocating device such as the moving base 94 and the belt 92. A feature of the reciprocating device with the belt 92 is that the device can be made very inexpensively. The operation of this reciprocating device will be described. When the position of the discharge pipe 45 and the center position of the hole 108 coincide with each other by the belt 92, they are detected by a detector (not shown) as in other embodiments, and a microcomputer or the like is used. The control means 12 is used to stop the motor.

FIG. 6 (a) is a schematic front view of the second selective connecting device of the automatic tea dispenser in the sixth embodiment of the present invention.
(B) is the second of the automatic tea feeder in the sixth embodiment of the present invention
FIG. 3 is a schematic cross-sectional view of the selective connection device of FIG. The sixth embodiment is the fifth
A ball screw 9 is used instead of the belt 92 of the reciprocating device of the embodiment.
7 is used. The basic configuration is the same as in the fourth embodiment. A movable pedestal 94 is movably installed on the fixed pedestal 93 via a linear way 95. This moving base 94
On top of the canister portion 53, the screw 55, the raw material motor 54, and the joint 9 for transmitting the power of the raw material motor 54.
8, shooter 91, mixing ball 51, stirring blade 52, mixing motor 50, mixing motor 5
A plurality of joints 99 and the like for transmitting the power to 0 are unitized and mounted. That is, each of the canister parts 53 becomes a unitized unit, and a plurality of these units are mounted on the unit moving base 94. As described above, when the discharge passages from the hot water tank 10 and the cold water tank 20 are connected to the mixing section by using the ball screw 97,
Position accuracy during control is improved.

In the fifth embodiment, the belt 92 is used as the reciprocating device, and the ball screw 97 is used as the reciprocating device in the sixth embodiment. Instead of these, a wire is used for movement. You may move using a linear motor.

In the fifth and sixth embodiments, a plurality of units each including the canister portion 53, the shooter 91, the mixing ball 51 and the like are arranged in a line and moved in parallel. 1 of these units
It is also possible to move the mixing balls 51 of each unit by shifting the positions of the mixing balls 51 by arranging them side by side on the circumference of one circle and rotating the whole circle along this circumference with the center of this circle as the center of rotation. . Rotating device (not shown)
When the position of the hole 108 of the mixing ball 51 is rotated by and the center of the discharge tube 45 coincides with the end of the discharge tube 45, the rotating device is stopped by the control means 12 (not shown).
As described above, in the case of this embodiment, it is not necessary to convert the rotational motion of the motor into a linear motion as in the reciprocating device of the fifth embodiment, and the motion of the motor can be used directly, so that the structure is To be simplified. In addition, the units are arranged in a compact size.

FIG. 7 is a schematic side sectional view of a second selective connecting device of an automatic tea feeding machine according to a seventh embodiment of the present invention. Figure 7
As can be seen from the above, in the seventh embodiment, the mixing motors 50 of the fifth embodiment and the sixth embodiment are provided on the mixing ball 51, respectively, but are shared as one mixing motor 50. That is, the mixing motor 50 is fixed to the fixed pedestal 93, and a non-contact type joint is provided between the shaft of the stirring blade 52 in the mixing ball 51 and the mixing motor 50. In this embodiment, the magnet joint 102 is used as the non-contact joint. Even if the stirring blades 52 in each mixing ball 51 are moved by the second selective connecting device 100 and the mixing motor 50 is fixed,
If the positions of both are matched, the two are connected by magnetic coupling, so that the mixing motor 50 can be shared by one. Although the magnet joint 102 is used in the seventh embodiment, a clutch may be used as a non-contact joint. In this case mixing motor 5
0 is attached to the fixed pedestal 93 in a vertically movable state by the vertical drive unit. The vertical drive unit is lowered when each unit comes to a predetermined position, whereby the clutch is connected. The driving force of the mixing motor 50 is transmitted to the stirring blade 52 by the clutch, and the mixing motor 50 can be shared by the plurality of stirring blades 52.

FIG. 8 is a schematic perspective view of the second selective connecting device of the automatic tea feeder in the eighth embodiment of the present invention. In this embodiment, the raw material motors 54 of the fifth and sixth embodiments are provided separately on the mixing ball 51, but one raw material motor 54 is provided. That is, the raw material motor 54 is fixed to the fixed pedestal 93, and a non-contact type joint is provided between the raw material motor 54 and the shaft of the screw 55. In this embodiment, the magnet joint 105 is used as the non-contact joint. Other than this configuration, the canister portion 53, the discharge pipe 45, the shooter 91, the linear way 95, the stirring blade 52, the mixing ball 51,
Other configurations such as the mixing motor 50 are the same as those in the fifth and sixth embodiments. A screw 55 is provided in each canister portion 53, but since the shaft that drives the screw 55 is provided with the non-contact type joint as described above, only one raw material motor 54 is provided on the fixed pedestal. It is enough to provide it, for multiple screws 55,
The raw material motor 54 can be shared. The unit including each mixing ball 51 moves, and the discharge pipe 45
When the holes 108 of the mixing ball 51 are aligned with each other, the magnetic joint between the screw 55 and the raw material motor 54 is magnetically coupled at the same time. As a result, the number of raw material motors 54 can be reduced to one. By the way, although the magnet joint 105 is used in the eighth embodiment, a clutch can also be used as a non-contact joint. In this case, the raw material motor 54 is
It is mounted on the fixed pedestal 93 by the front-rear moving section so as to be movable back and forth. Here, the front-rear moving section moves back and forth when each unit reaches a predetermined position, whereby the clutch is engaged. The driving force of the raw material motor 54 is transmitted to the screw 55, and the raw material motor 50 can be shared by the plurality of screws 55.

In the second selective connecting device 100 of the seventh and eighth embodiments, the former is one mixing motor 50.
And the latter shares one raw material motor 54. However, if non-contact type joints are provided between the mixing motor 50 and the stirring blade 52 and between the raw material motor 54 and the screw 55, the mixing is performed. Both the motor 50 and the raw material motor 54 can be shared, and the number of parts can be further reduced.

[0048]

The automatic tea dispenser of the present invention can selectively connect the discharge passages from the hot water tank and the cold water tank and either of the mixing portions, so that it can supply a plurality of types of tea and the discharge passages. It can be simplified, the number of parts can be reduced, it is inexpensive, easy to assemble, and easy to maintain.

[Brief description of drawings]

FIG. 1 is a first automatic tea supply machine according to a first embodiment of the present invention.
Schematic perspective view of the selective connection device of FIG.

FIG. 2 is a first automatic tea supply machine according to a second embodiment of the present invention.
Schematic perspective view of the selective connection device of FIG.

FIG. 3 is a first automatic tea supply machine according to a third embodiment of the present invention.
Sectional view of the selective connection device

FIG. 4 (a) is a schematic perspective view of a first selection connection device of an automatic tea feeding machine according to a fourth embodiment of the present invention. FIG. 4 (b) is a first selection of an automatic tea feeding machine according to a fourth embodiment of the present invention. Schematic cross-sectional view of the connection device

FIG. 5 (a) is a partially omitted schematic perspective view of a second selective connecting device of an automatic tea dispenser according to a fifth embodiment of the present invention. FIG. 5 (b) is an automatic tea dispenser according to a fifth embodiment of the present invention. Schematic front view of the selective connection device 2

FIG. 6 (a) is a schematic front view of a second selection connection device of an automatic tea dispenser in a sixth embodiment of the present invention. (B) A second selection of the automatic tea dispenser in a sixth embodiment of the present invention. Schematic cross-sectional view of the connection device

FIG. 7 is a second automatic tea dispenser according to a seventh embodiment of the present invention.
Schematic perspective view of the selective connection device of FIG.

FIG. 8 is a second automatic tea dispenser according to an eighth embodiment of the present invention.
Schematic perspective view of the selective connection device of FIG.

FIG. 9 is a schematic view of a conventional automatic tea supply machine.

FIG. 10 is a schematic system diagram of a conventional dispenser type automatic tea supply machine.

FIG. 11 is a schematic system diagram of a conventional automatic tea supply machine directly connected to a water supply.

[Explanation of symbols]

 3 Hot beverage solenoid valve 4,21 Discharge side communication pipe 8 Water supply side second communication pipe 9 Heater 10 Hot water tank 12 Control means 16 Cold beverage solenoid valve 20 Cold water tank 22 Water supply side first communication pipe 28 Water supply pipe 45 Discharge pipe 50 Mixing Motor 51 Mixing ball 52 Stirring blade 53 Canister part 54 Raw material motor 55 Screw 56 Powder raw material 57 Operation panel 64 Cup 81 Motor 82 First selection connecting device 83 Main body 84 Spool 85 Inlet joint 86 Packing 87, 90 O-ring 88 Seal 89 Rubber Packing 91 Shooter 92 Belt 93 Fixed pedestal 94 Moving pedestal 95 Linear way 96 Discharge port 97 Ball screw 98,99 Joint 100 Second selection connection device 102,105 Magnet joint 108 Hole 109 Holding portion 110 Rotary valve body

Claims (9)

[Claims] 1. A hot water tank for storing hot water, a cold water tank for storing cold water, a plurality of canister parts respectively containing powder raw materials such as tea, a hot water tank and a cold water tank, and a discharge side of 1 A plurality of discharge passages, a plurality of mixing portions for mixing the powder raw material supplied from one of the canister portions and the hot water or cold water supplied from the discharge passage, and the end portion of the discharge passage is provided with the above-mentioned An automatic tea dispenser comprising a first selective connection device for selectively connecting any one of the discharge path and the mixing section. 2. The automatic tea dispenser according to claim 1, wherein the first selective connection device is a faucet-shaped rotating tube which rotates about an end of the discharge passage. 3. The automatic tea dispenser according to claim 1, wherein the first selective connection device is a multi-way valve that switches the flow path by linearly sliding the spool. 4. The automatic tea dispenser according to claim 1, wherein the first selective connection device is a multi-way valve that switches a flow path by rotating a rotary valve body. 5. A hot water tank for storing hot water, a cold water tank for storing cold water, a plurality of canisters respectively containing powder raw materials such as tea, a hot water tank and a cold water tank, and a discharge side of 1 A plurality of mixing paths, a plurality of mixing sections for mixing the powder raw material supplied from one of the canister sections and hot water or cold water supplied from the discharging paths, and moving the mixing sections to discharge the mixture. One of the end of the road and the mixing part
An automatic tea dispenser characterized in that a second selective connecting device for selectively connecting two is provided. 6. The mixing device according to claim 5, wherein the mixing units are arranged in a straight line, and the second selective connecting device is a reciprocating device that moves the mixing unit along the straight line. Automatic tea supply machine. 7. The mixing unit is arranged on the circumference, and the second selective connecting device is a turning device for turning the mixing unit along the circumference. The automatic tea dispenser described in 5. 8. A stirring member is provided in the mixing section, and a non-contact type joint is provided between the stirring member and a mixing motor for driving the stirring member. The automatic tea dispenser according to claim 6. 9. The canister is provided with a screw, and a non-contact type joint is provided between the screw and a canister motor for driving the screw. 8. An automatic tea dispenser according to 8.