KR20080004223U - A warm water tank for drink vending machines that check valve was possessed by one body - Google Patents

Abstract

The present invention relates to a hot water tank for a beverage vending machine equipped with a one-way valve integrally, which is installed inside the main body of a small beverage vending machine and passes the hot water tank from the bottled water supply tank to the hot water tank to mix the beverage with hot water and raw materials. Hot water supply port and hot water discharge port of the hot water tank of the one-way valve to prevent air expansion due to the temperature difference between the hot water tank and the bottled water supply tank by blocking the circulation of the heated hot water and bubbles from the heater tank By directly installing at the side, it is possible to simplify the installation of the first circulation pipe and the second circulation pipe connecting the hot water tank and the heater tank during manufacture, and in the operation, the one-way valve is located in the hot water supply port and the hot water discharge port, thus providing a stable flow. This has the effect of controlling backflow prevention.

Compact, Beverage Vending Machine, One-way Valve, Hot Water Tank, Heater Tank

Description

Hot water tank for drink vending machines that check valve was possessed by one body}

1 is a schematic view showing the internal structure of a conventional beverage vending machine,

Figure 2 is an internal configuration of the automatic fan man showing a state where the conventional ball check valve is applied to the circulation pipe,

Figure 3 is a schematic diagram showing the internal structure of the beverage vending machine of the present invention.

 <Description of Symbols for Major Parts of Drawings>

10: small vending machine 11: main body

12: bottled water supply tank 13: hot water tank

13a: hot water supply port 13b: hot water discharge port

14: heater tank 20: one-way valve

P1: first circulation tube P2: second circulation tube

S: solenoid valve

The present invention relates to a hot water tank for a beverage vending machine equipped with a one-way valve, and more specifically, is installed inside the main body of the vending machine, and is a mixture of hot water and raw materials through a heater tank through a hot water tank from a bottled water supply tank. In small beverage vending machine that can provide drinks, it is possible to block the circulation of heated hot water and bubbles from the heater tank to improve the installation of one-way valve to prevent the expansion of air due to the temperature difference between the hot water tank and the bottled water supply tank. It is to make the assembly and installation of the circulation line connecting each tank more easily, and to make a more stable operation of the one-way valve.

In general, a small vending machine is provided at a suitable place to provide a drink (typically coffee or tea), so that a user can easily input a coin to buy a corresponding item, and is provided in a rest room and other public places. It is used.

Coins are put in order to receive a drink. Currently, each small vending machine operates the price according to the quantity of coins according to the item price so that the product can be purchased using 100 won coins or 500 won coins. have.

Looking briefly at the hot water supply structure of a conventional small beverage vending machine as shown in FIG.

The hot water supply of the beverage vending machine 10 manufactured in a compact form includes a bottled water supply tank 12, a hot water tank 13, and a heater tank 14 from the inside of the main body 11, and from the heater tank 14. The provided hot water is provided in a disposable cup through which the beverage is provided separately through the opening of the solenoid valve S through the mixing bowl and the mixing housing which are the components of the beverage mixing unit 2.

In the above configuration, the hot water tank 13 connected to the water supply pipe from the bottled water supply tank 12 is the first circulation pipe (P1), the second circulation pipe (P2) with respect to the heater tank 14 is installed separately on one side ) Is connected and installed, the hot water and bubbles generated by the heating of the heater installed therein by the heater tank 14 changes the temperature of the hot water tank 13 through the second circulation pipe (P2), If the temperature of the hot water tank rises to 30 ~ 40 ℃ the bottled water temperature of the bottled water supply tank is changed to cause air expansion due to the water expansion causes a problem that a certain amount of hot water supply is not smooth.

The supply according to the difference in the hot water temperature as described above is provided in a state in which the taste of the warm drink provided is not kept constant, thereby reducing the reliability of the small beverage vending machine 10.

In order to solve the above problems, Korean registered utility model No. 20-309393 (name: hot water backflow prevention structure of a small coffee vending machine) has been disclosed.

The registration utility model is connected to the hot water tank again from the first circulation pipe (P1) and the heater tank 14 connecting the hot water tank 13 and the heater tank 14 as shown in FIG. The ball check valve 30 is installed on the circulating second circulation pipe P2.

Usually, the first circulation pipe (P1) and the second circulation pipe (P2) are installed in a heat-resistant and flexible hose, the ball check valve 30 is provided on the circulation pipe, respectively, in the heater tank (14) When the hot water temperature rises and water expansion occurs, the ball check valve 30 on the second circulation pipe (P2) from the heater tank 14 to the hot water tank is closed, and the hot water temperature in the heater tank 14 is closed. To prevent them from changing.

However, the ball check valve 30 is installed as described above should be provided with a connection point of each two points to be installed on the first and second circulation pipe (P1, P2), and is divided into upper and lower members Since the ball check valve must be kept airtight as a fastening member and a packing member separately, the ball check valve has been pointed out as a high frequency of leakage.

In addition, each of the first and second circulation pipes connecting both sides of the ball check valve is a flexible type as described above, for example, on the installation or in a state in which the ball check valve is inclined to one side by the tension of the circulation pipe. Was not working properly.

The present invention has been made in order to solve the above conventional problems, it can be installed in the main body of the small beverage vending machine to provide a beverage as a mixture of hot water and raw materials through a heater tank through a hot water tank from a bottled water supply tank. In the small beverage vending machine, it is possible to block the circulation of heated hot water and bubbles from the heater tank, and to improve the installation of the one-way valve to prevent the expansion of air due to the temperature difference between the hot water tank and the bottled water supply tank. The purpose of the assembly line is to simplify the installation and operation of the more stable one-way valve.

According to the present invention for achieving the above object, a bottled water supply tank receiving water from the outside inside the main body, a hot water tank receiving water through the supply pipe from the bottled water supply tank, and the first circulation pipe from the hot water tank Is connected and supplied with water to heat the water, the second circulation pipe is connected from one side is connected to the hot water tank and the heater tank, and the hot water heated from the heater tank is provided through the solenoid valve, from the raw material reservoir In the small beverage vending machine consisting of a beverage mixing unit for supplying the beverage powder supplied and discharged mixed with hot water, a one-way valve is provided on the hot water supply port and hot water discharge port side of the hot water tank is connected to the first circulation pipe and the second circulation pipe Installed to block the circulation of hot water and hot water from the heater tank and circulation to the hot water tank side And that is characterized.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Attached Figure 3 is a schematic view showing the internal structure of the beverage vending machine of the present invention, the bottled water supply tank 12 receives water from the outside inside the main body 11, the bottled water supply tank 12 The hot water tank 13 receives water from the supply pipe from the supply pipe, and is connected to the first circulation pipe P1 from the hot water tank 13 to supply water to heat the water, and the second circulation pipe P2 from one side. ) Is connected to the hot water tank 13 is connected to the heater tank 14 is installed, and the hot water heated from the heater tank 14 is provided through the solenoid valve (S), is supplied from the raw material reservoir (1) In the small beverage vending machine (10) consisting of a beverage mixing unit (2) for receiving a beverage powder and mixing with hot water,

One-way valve 20 is installed at the hot water supply port 13a and the hot water discharge port 13b of the hot water tank 13 to which the first circulation pipe P1 and the second circulation pipe P2 are connected to distribute the hot water. And a structure in which hot water and bubbles heated from the heater tank 14 are blocked from being circulated to the hot water tank 13 side.

The hot water supply port 13a and the hot water discharge port 13b are formed integrally with the body forming the hot water tank 13, the one-way valve 20 is a hot water tank 13, the first circulation pipe (P1) is installed ) In the direction of the heater tank 14 and in the direction of the hot water tank 13 in the heater tank 14 in which the second circulation pipe P2 is installed. The pressure difference that occurs according to the so that it can be blocked and released.

As described above, the one-way valve 20 is directly installed at the hot water supply port 13a and the hot water discharge port 13b as compared with the conventional method installed on the first circulation pipe P1 and the second circulation pipe P2. As a result, more stable control can be achieved.

That is, the first circulation pipe (P1) and the second circulation pipe (P2) is provided in a flexible form having heat resistance in the characteristics of the material as a form that only holds the position inside the main body of the small beverage vending machine (10) It can be installed, so workability is good in the process of manufacturing the vending machine.

In particular, the first and second circulation pipes (P1, P2) has the advantage that it is possible to reduce the water leakage point just by fixing both ends on the hot water supply port (13a) and hot water discharge port (13b) side.

As a result, by reducing the risk of water leakage from the first circulation pipe, the second circulation pipe that the hot water is circulated, there is an advantage that can minimize the failure rate in use.

In the small beverage vending machine 10 according to the present invention of the above bar, supply of bottled water, storage from the hot water tank, supply to the heater tank 14, heating is made, the raw material reservoir (1), beverage mixing unit (2) The action of taking a beverage supplied according to the opening of the solenoid valve S through the side) is the same as in the related art.

This is the second circulation pipe (P2) when the water expansion occurs in a state in which the hot water supplied to the hot water tank 13 and the heater tank 14 and the hot water introduced into the heater tank 14 again rises in the heater tank (14) The one-way valve on the side of the connected hot water discharge port 13b prevents reverse flow, thereby preventing the hot water temperature in the heater tank 14 from changing.

Therefore, the hot water heated in the heater tank 14 is able to uniformly provide a suitable constant temperature as the beverage mixed water without a difference in temperature change.

Heated hot water that is changed in the heater tank 14 as described above is blocked by the one-way valve 20 by the pressure difference to maintain the temperature of the hot water stored in the hot water tank 13 to 30 ~ 40 ℃ or less, By keeping the proper temperature, the bottled water temperature of the bottled water supply tank 12 does not change, thereby preventing occurrence of air expansion due to water expansion.

This reduces the difference in the change in the hot water temperature, it is possible to maintain a constant taste of the warm beverage provided through the vending machine.

As described above, the present invention is provided in the main body of the small beverage vending machine, so that the beverage can be provided as a mixture of hot water and raw materials through the heater tank through the hot water tank from the bottled water supply tank, the heating from the heater tank The hot water tank and the hot water tank can be installed directly at the hot water supply port and hot water discharge port of the hot water tank of the one-way valve to prevent air expansion due to the temperature difference between the hot water tank and the bottled water supply tank. The first circulation pipe and the second circulation pipe connecting the heater tank can be easily installed, and the one-way valve is located in the hot water supply port and the hot water discharge port in order to control stable flow and backflow prevention. .

Claims (1)

The bottled water supply tank 12 receives water from the outside inside the main body 11, the hot water tank 13 receiving water from the bottled water supply tank 12 through a supply pipe, and the hot water tank 13. Heater tank 14 and the heater connected to the first circulation pipe (P1) is installed to be connected to the hot water tank 13 is connected to the hot water tank 13 is connected to the second circulation pipe (P2) is heated to supply water A small beverage vending machine comprising a beverage mixing unit 2 configured to receive hot water heated from the tank 14 through a solenoid valve S and receive beverage powder supplied from a raw material storage container 1 and to mix and discharge the hot water. 10), One-way valve 20 is installed at the hot water supply port 13a and the hot water discharge port 13b of the hot water tank 13 to which the first circulation pipe P1 and the second circulation pipe P2 are connected to distribute the hot water. And a hot water tank for a beverage vending machine integrally provided with a one-way valve, characterized in that the hot water and bubbles heated from the heater tank 14 are blocked from being circulated to the hot water tank 13 side.

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