KR100933751B1 - Water supply - Google Patents

Abstract

PURPOSE: A drinking fountain is provided to reduce the load and to increase the thermal efficiency. CONSTITUTION: A drinking fountain comprises a cooling device(30), a transfer pipe(40) and valves(50,50'). The cooling device comprises a coolant tank(32) and an evaporator(31). The coolant cask is filled with the liquid transferring the heat. The evaporator is installed at the outside of the coolant tank and cools the liquid. The transfer pipe is installed inside the coolant tank and transfers the drinking water. The valves open and close the transfer pipe.

Description

Drinking water band {WATER SUPPLY}

The present invention relates to a drinking zone, in particular, a cooling apparatus including a cooling liquid container filled with a liquid for transferring heat, and an evaporator installed outside the cooling liquid cylinder to cool the liquid, and disposed inside the cooling liquid cylinder. The present invention relates to a drinking tank including a transfer pipe through which drinking water is transferred, and a valve for opening and closing the transfer pipe.

Conventional direct connection drinking fountain is that presented in Korea Patent Registration No. 10-0699798.

In the related art, a tap water ejecting means is installed at an upper portion of a drinking fountain main body and is opened by a rotation operation of a lever, and the tap water is supplied through a water supply pipe. In the water directly connected drinking fountain is provided with a drain to allow the falling tap water to be drained, the drainage pipe for draining the tap water collected in the drain to the outside of the negative main body, which is installed inside the main body of the drinking fountain Instant cooling means for instant cooling the tap water supplied through the water supply pipe; A tap water flow line through which the cooled tap water discharged from the instant cooling means flows to the tap water ejecting means, wherein the instant cooling means comprises: a case having an empty interior; A compressor installed inside the case, for compressing and discharging the sucked refrigerant at high temperature and high pressure, a condenser for condensing the refrigerant discharged from the compressor, an expansion valve for expanding the refrigerant condensed in the condenser, and A refrigerant circulation cycle comprising a cooling tank in which a liquid for cooling is accommodated, and an evaporator for evaporating the refrigerant expanded in the expansion valve by spirally installing a refrigerant pipe up and down along an inner wall surface of the cooling tank; A part of the water supply pipe is installed to be accommodated in the cooling liquid in the cooling tank.

Since the evaporator 360 is composed of a coolant pipe 361 installed in a spiral shape up and down along the inner wall surface of the cooling tank 350 in which the cooling liquid 351 is accommodated, the evaporator 360 circulates inside the coolant pipe 361. The refrigerant having a low temperature and low pressure is exchanged with the cooling liquid 351 and returned to the compressor 320 again.

At this time, the cooling liquid 351 accommodated in the cooling tank 350 is in a state of freezing as the temperature decreases over time.

In this water-directed drinking fountain is installed in the interior of the drinking fountain body instantaneous cooling means 300 for instantaneous cooling of the tap water supplied through the water supply pipe 100 and discharged from the instantaneous cooling means 300 The tap water flow line 400 and the tap water flow line 400 are installed on the tap water flow line 400 to allow the cooled tap water to flow to the tap water ejecting means 210A, and supply power according to on / off of the on / off switch 510. It includes a solenoid valve 500 for opening and closing the tap water flow line 400 depending on whether or not.

Here, the solenoid valve is used as the solenoid valve 500.

The instantaneous cooling means 300 includes a case 310 having an empty interior and a refrigerant circulation cycle.

The refrigerant circulation cycle is installed in the case 310, and the compressor 320 compresses and discharges the sucked refrigerant at high temperature and high pressure, and the condenser 330 condenses the refrigerant discharged from the compressor 320. ), An expansion valve for expanding the refrigerant condensed in the condenser 330, a cooling tank 350 in which a cooling liquid 351 is accommodated, and a refrigerant up and down along an inner wall surface of the cooling tank 350. The tube 361 is provided in a spiral shape and includes an evaporator 360 for evaporating the refrigerant expanded by the expansion valve.

A portion of the water supply pipe 100 is installed to be accommodated in the cooling liquid 351 in the cooling tank 350.

Here, reference numeral 311 is a cover for closing the case 310, 351 is a tank cover for closing the upper opening of the cooling tank 350, 352 is a motor fixed to the tank cover 350, 354 is a rotary shaft extending downward from the motor shaft of the motor 352 accommodated in the cooling tank 350, 353 is installed at the end of the rotary shaft 354 to cool the liquid in the cooling tank 350 It is a screw which stirs the cooling liquid 351 to prevent 351 from freezing.

The tap water ejecting means 210A has a ejection passage therein so that the cooled tap water is ejected when the tap water flow line 400 is opened by the solenoid valve 500.

First, when the compressor 320 is driven, the compressor 320 compresses the refrigerant sucked by the evaporator 360 and discharges the refrigerant at high temperature and high pressure. When the refrigerant compressed by the compressor 320 is introduced into the condenser 330, the refrigerant introduced into the condenser 330 is condensed and introduced into the expansion valve. Thereafter, the refrigerant introduced into the expansion valve is expanded and introduced into the evaporation ratio 360, and the evaporator 360 evaporates the refrigerant.

That is, since the evaporator 360 is composed of a coolant pipe 361 installed in a spiral shape up and down along the inner wall surface of the cooling tank 350 in which the cooling liquid 351 is accommodated, the inside of the coolant pipe 361 is formed. The refrigerant having a low temperature circulating low temperature exchanges heat with the cooling liquid 351 and returns to the compressor 320 again.

At this time, the cooling liquid 351 accommodated in the cooling tank 350 is in a state of freezing as the temperature decreases over time.

On the other hand, when cold water is ejected through the tap water ejecting means 210A, when the user presses the on / off switch 510 to electrically turn on, the solenoid valve 500 opens the tap water flow line 400. As a result, the water is spouted through the spout passage of the tap water ejecting means 210A naturally by the water pressure supplied from the water supply pipe 100.

In the embodiment of the present invention configured as described above, before the tap water flows into the instantaneous cooling means 300, the branch pipe is installed so as to branch a part from the water pipe 100, and is installed to surround the outer surface of the branch pipe The heater 610 for heating the tap water flowing in the branch pipe according to the power supply, and is installed on the upper side of the drinking water main body 200 is heated by the heater 610 to flow along the branch pipe A tap water ejecting means 710 for ejecting hot water may be further provided.

Here, the heater 610 may be used by an electric heater or a PTC (Positive Temperature Coefficient) heater that generates heat by itself, and a detailed structure description thereof will be omitted since it is a conventional technology.

Further, a separate branch pipe is installed at the rear end of the heater 610 to extend to the upper portion of the drinking water main body, and the branch pipe is connected to the branch pipe depending on whether the on / off switch 640 is supplied with power. A solenoid valve 630 is installed to open and close the tap water, and tap water spraying means 720 having a spouting passage therein is installed in the upper portion of the drinking water tank main body so that hot water is ejected according to the opening and closing action of the bottom valve 630.

On the other hand, in the present invention, of course, the purified water filter 800 may be installed on the water pipe 100 to purify the tap water before flowing into the instantaneous cooling means 300 and the heater 610.

On the other hand, by installing a temperature sensor for sensing the temperature of the cooling liquid 351 in the cooling tank 350, so as to stop the operation of the compressor 320 when the cooling liquid 351 is lowered to the freezing temperature Signals can be sent to control means (not shown).

In addition, the tap water ejecting means 210A and 720 may be installed as much as possible so that many people may drink cold water or hot water.

In addition, in the case of installing a large number of tap water ejecting means (210A), if the number of the tap water ejection means (210A) in parallel to install the tap water flow line 400 through which the tap water flows through the first solenoid valve 500, do.

In addition, in the case of providing a large number of tap water spraying means 720 from which hot water is ejected, the tap water flow line may be branched as much as in tap water spraying means 210A from which cold water is ejected.

However, such a conventional drinking zone is the evaporator 360 is placed inside the cooling tank 350, the load is increased, the need for a cooling fan for cooling the condenser 330 not only increases the number of parts but also the volume of the device It will also increase and product prices will rise. In addition, since the conventional drinking zone should include the on / off switch 510 and the solenoid valve 500, the number of parts is increased so that the manufacturing cost is improved, and product repair is difficult.

The present invention has been made to solve the above-described problem, and an object thereof is to provide a drinking zone where the thermal efficiency is increased by reducing the load.

The drinking zone of the present invention for achieving the above object is a cooling device including a cooling liquid container filled with a liquid for transferring heat, and an evaporator installed outside the cooling liquid cylinder to cool the liquid, and inside the cooling liquid cylinder. It is disposed and includes a transfer pipe for drinking water is transferred, and a valve for opening and closing the transfer pipe.

The transfer pipe is provided with two or more, two or more valves are also provided in each of the transfer pipes, two or more of the transfer pipes are wound in a spiral shape and disposed inside the coolant container, the valve is the transfer pipe An inlet and an outlet formed in communication with the first inlet and the outlet, wherein the outlet hole is formed between the inlet and the outlet, and the outlet part is drawn out through the outlet and opens and closes the first tube. The body is formed in the tube and formed in the tubular shape and the locking jaw is formed on the inner wall, the first sealing member disposed between the body and the first pipe, and the plunger is installed to penetrate the locking jaw It may include a button is formed, and an elastic member disposed between the body and the button to return the button.

According to the negative band of the present invention as described above, there are the following effects.

A cooling device including a cooling liquid container filled with a liquid for transferring heat, an evaporator installed outside the cooling liquid container to cool the liquid, a transfer pipe disposed inside the cooling liquid container to transfer drinking water, and the transfer pipe. Including a valve for opening and closing the heat, the thermal efficiency is increased by reducing the load.

The transfer pipe is provided with two or more, two or more valves are also provided in each of the transfer pipes, two or more of the transfer pipes are wound in a spiral shape and disposed inside the coolant container, the valve is the transfer pipe An inlet and an outlet formed in communication with the first inlet and the outlet, wherein the outlet hole is formed between the inlet and the outlet, and the outlet part is drawn out through the outlet and opens and closes the first tube. The body is formed in the tube and formed in the tubular shape and the locking jaw is formed on the inner wall, the first sealing member disposed between the body and the first pipe, and the plunger is installed to penetrate the locking jaw A separate electronic device, such as a solenoid valve, including a button formed and an elastic member disposed between the body and the button to return the button. Since there is no need to separately provide a magnetic valve, the number of parts is reduced, and there is an advantage that it is easy to repair even when a product is broken.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

For reference, among the configurations of the present invention to be described below, the same configuration as the prior art will be referred to the above-described prior art, and a detailed description thereof will be omitted.

3 is an exploded perspective view of a drinking fountain according to a preferred embodiment of the present invention, FIG. 4 is an enlarged view of the cooling apparatus of FIG. 3, FIG. 5 is an enlarged view of the valve of FIG. 3, and FIG. 6 is a cross-sectional view of the button portion of FIG. 5. 7 is a combined perspective view of FIG. 5, FIG. 8 is an enlarged view of a valve according to another embodiment of FIG. 3, and FIG. 9 is a combined perspective view of FIG. 3.

As shown in Fig. 2 to 9, the drinking fountain of the present embodiment, the cooling liquid container 32 is filled with a liquid for transferring heat, and an evaporator installed outside the cooling liquid container 32 to cool the liquid ( A cooling device 30 including a 31, a transfer pipe 40 disposed inside the coolant container 32 to which drinking water is transferred, and valves 50 and 50 'for opening and closing the transfer pipe 40; Include.

The housing 10 is formed in a hexahedral shape, and the drain panel is disposed on the front panel 11 and the front panel 11 and the front panel 11 and the side panel 13 disposed on both sides of the front panel 11. Table 12.

A drain hole may be formed in the drain 12, and a drain pipe (not shown) may be connected to the drain hole.

Furthermore, a rear panel installed at the rear of the side panel 13 may also be provided.

In addition, a horizontally supported support panel 14 may be installed in the housing 10. The support panel 14 may be installed on both sides of the side panel 13 and provided to be spaced apart from each other.

The compressor 21 is arranged at the bottom inside the housing 10. Thus, the compressor 21 is surrounded by the housing 10.

The condenser 22 is connected to the compressor 21, is formed in a net shape, and is generally formed in a plate shape.

The condenser 22 is disposed behind the compressor 21 and the cooling device 30. That is, the condenser 22 is formed long so as to be disposed at the rear upper and lower portions of the housing 10.

The condenser 22 may be arranged as described above to be cooled more effectively due to the cold air of the cooling device 30. The condenser 22 may be installed at the rear of the support panel 14 to be exposed to the outside, or may be installed inside the rear panel.

The condenser 22 may be installed in the housing 10 by washers and bolts. The washer is provided with mounting grooves on which both pipes of the condenser 22 can be mounted, and through holes through which bolts pass between the mounting grooves on both sides. This washer allows the condenser 22 to be installed in the housing 10 without damaging the condenser 220.

As such, the condenser 22 is formed and naturally cooled, so that a separate space for installing the condenser 22 is not required, and the drinking zone can be compact, and a separate cooling fan for cooling the condenser 22 is not required. As the cooling fan is operated, there is no fear of dust accumulation, and the breakdown caused by such dust is prevented, thereby reducing the number of A / S and manufacturing cost. In addition, there is also an advantage that the noise due to the blowing fan is eliminated.

The cooling device 30 is connected to the condenser 22 to cool the water supplied by the instant cooling method. The cooling device 30 is installed on the support panel 14 to be disposed above the compressor 21 and is surrounded by the housing 10.

The cooling device 30 includes a cooling liquid container 32 filled with a liquid for transferring heat, and an evaporator 31 installed outside the cooling liquid container 32 to cool the liquid.

Cooling liquid container 32 is formed in a cylindrical shape, the upper portion is formed to be opened, the upper portion is opened and closed by the cover (33). The coolant container 32 and the cover 33 may be formed of a steel material to facilitate heat transfer.

The cover 33 has a flange formed on the outer circumferential surface, and a through hole is formed in the flange, so that the cover 33 can be easily bolted to the coolant container 32.

In addition, a protrusion (not shown) may be formed on the lower surface of the lid 33 to allow the upper portion of the cooling liquid container 32 to be inserted. This prevents the lid 33 from moving relative to the coolant container 32.

In addition, the lid 33 is formed with a plurality of through holes 34 through which the transfer pipe 40 passes. As such, the through hole 34 is formed such that the transfer pipe 40 does not move inside the coolant container 32.

The lid 33 is provided with a stirrer 35 and a drive unit 36 for rotating the stirrer 35.

The stirrer 35 is installed through the cover 33 so as to be disposed at the center of the transfer pipe 40.

The driving unit 36 is disposed above the cover 33 and is installed on the cover 33 by the bracket 39.

The bracket 39 is formed of a plastic material to prevent heat transfer between the driving unit 36 and the cover 33. In addition, the bracket 39 is made of a plastic material and can be prevented from generating noise by absorbing even if vibration or the like occurs in the driving unit 36.

As shown in FIG. 4, the bracket 39 has a flange formed at an upper end thereof, and a seating groove in which the driving unit 36 is mounted is formed at an upper portion thereof.

The heat radiating fan 37 operated by the driving unit 36 is installed above the driving unit 36. In this way, the heat radiating fan 37 is installed, and heat generated from the driving unit 36 may be effectively discharged. Therefore, the coolant container 32 can be more effectively maintained at a low temperature.

On the other hand, the valve (50, 50 ') is provided with a sensor for detecting the drinking water flows open, the drive unit 36 may be controlled by the controller so that the drive unit 36 operates only when the drinking water is supplied to the user. That is, the heat radiation fan 37 and the stirrer 35 are operated only when drinking water is supplied to the user. This can reduce power consumption and also reduce noise in the device.

The evaporator 31 is installed to spirally surround the outer side of the coolant container 32.

In addition, the cooling device 30 preferably surrounds the evaporator 31 with an insulating member (not shown) such as styrofoam. Alternatively, the cooling device 30 may include an outer cylinder surrounding the evaporator 31 to pour a foam member between the outer cylinder and the evaporator 31 to prevent the heat of the evaporator 31 from flowing out.

The evaporator 31 is connected to the condenser 22 to cool the water filled in the coolant container 32.

The transfer pipe 40 is directly connected to the water pipe, and is disposed inside the coolant container 32 to transfer drinking water.

Two or more transfer pipes 40 are provided, and two or more transfer pipes 40 are wound in a spiral shape and disposed in the coolant container 32.

As such, only the transfer pipe 40 is disposed inside the coolant container 32 so that both the transfer pipe 40 and the evaporator 31 may be wound to a larger diameter than when both the transfer pipe 40 and the evaporator 31 are disposed inside the coolant container 32. By being able to stay inside the coolant barrel 32 for a longer time, the drinking water can be cooled more effectively.

In the cooling device 30, when the evaporator 31 cools the coolant in the coolant container 32, the drinking water in the transfer pipe 40 is cooled by the coolant. In addition, the water in the coolant container 32 is agitated by the stirrer 35 so that the cool air of the evaporator 31 is uniformly transmitted to the entire coolant and more effectively transferred to the drinking water of the transfer pipe 40. Therefore, the drinking water is quickly cooled while passing through the transfer pipe 40 is discharged.

As such, the evaporator 31 is disposed outside the coolant container 32 to transfer heat to the coolant through the coolant container 32, thereby reducing heat loss and widening the contact area, thereby reducing the load on the cooling device 30. Is increased.

Thus, the load of the cooling device 30 is reduced, and it is sufficient to naturally cool the condenser 22.

The valves 50 and 50 'are disposed at each corner of the drain 12, and are installed in the transfer pipe 40 to open and close the transfer pipe 40.

Two or more valves 50 and 50 'are also provided in each of the transfer pipes 40.

As shown in FIG. 5, the valve 50 has an inlet 53 and an outlet 52 communicating with the transfer pipe 40, and has a discharge hole between the inlet 53 and the outlet 52. 59 includes a first tube 51 and a button unit which is drawn out through the outlet hole 59 to open and close the first tube 51.

The first pipe 51 has an inlet 53 formed in the lower portion, the outer diameter of the inlet 53 is formed smaller than the outer diameter of the outlet (52).

Threads are formed on the outer circumferential surface of the inlet 53.

A nut 55 having a flange formed thereon is fastened to the inlet 52 so that the first pipe 51 is installed in the drain 12.

In addition, a washer 54 may be disposed between the nut 55 and the sump 12 to prevent the nut 55 from loosening.

The washer 54 may be provided with an external toothed washer.

The outlet pipe 52 is formed in the upper part of the 1st pipe | tube 51, and the screw thread is formed in the inner peripheral surface.

The outlet 52 is provided with a second pipe 56 formed in a curved pipe shape.

A ring 58 having an outer diameter than the second tube 56 is installed below the second tube 56.

An O-ring is installed on the outer circumferential surface of the ring 58.

A fastening ring 56a is fitted to the second pipe 56 so as to be disposed above the ring 58.

The fastening ring 56a has a thread formed on the lower outer circumferential surface thereof and is screwed to the outlet 52 to connect the second pipe 56 and the first pipe 51. An O-ring is also disposed between the fastening ring 56a and the outlet 52.

The drawing hole 59 is disposed in the side of the first pipe 51.

A thread is formed in the inner wall of the lead hole 59.

As shown in FIG. 6, the button part is installed in the first pipe 51 and is formed in a tubular shape and has a locking jaw 62a formed on an inner wall thereof, and the body 62 and the first material. A first sealing member 63 disposed between the first tube 51, a button 64 installed to penetrate the body 63, and a plunger 64c formed on the locking jaw 62a, and the And an elastic member 66 disposed between the body 62 and the button 64 to return the button 64.

A mounting groove 62c into which the O-ring is fitted is formed at the top of the body 62.

In the body 62, a thread is formed on the upper inner wall of the seating groove 62c.

The body 62 is formed with a discharge port 62b to be disposed between the seating groove 62c and the locking step 62a.

In addition, the outer circumferential surface of the body 62 has a fitting groove into which the first sealing member 63 is fitted.

The first sealing member 63 may be provided as an O-ring.

The button 64 includes a pressing portion 64a and a plunger 64c and a shaft 64b connecting the pressing portion 64a and the plunger 64c.

The pressing portion 64a is exposed to the outside, and a groove in which the elastic member 66 is seated is formed in the lower portion.

Further, a fitting hole into which the shaft 64b is fitted is formed in the lower portion of the pressing portion 64a, and a thread is formed on the inner wall of the fitting hole.

Threads are formed on the upper and lower outer peripheral surfaces of the shaft 64b.

In the plunger 64c, a fitting hole into which the shaft 64b is fitted is formed at a central portion thereof, and a thread is formed on the inner wall of the fitting hole.

In this way, the plunger 64c is screwed to the shaft 64b so that the position of the plunger 64c can be adjusted so that the flow rate of the plunger 64c can be adjusted.

The upper surface of the plunger 64c is provided with a groove into which the O-ring is fitted so that the O-ring can be easily mounted.

The elastic member 66 is provided as a coil spring and disposed between the pressing portion 64a and the body 62.

Furthermore, a recess 65 that secures the O-ring seated in the seating groove 62c and stably supports the elastic member 66 is disposed between the elastic member and the body 62.

The recess 65 is formed with a recess in which the elastic member 66 is seated, and a thread is formed on the lower outer circumferential surface so as to be screwed on the upper portion of the body 62.

The recess 65 may have the seating groove formed in a polygonal shape, or the outer side surface thereof may be formed in a polygonal shape to facilitate the detachment of the recess 65.

In addition, the recess 65 may contact the lower end of the pressing portion 64a to prevent the pressing portion 64a from being excessively pressed, thereby preventing the elastic member 66 from being excessively deformed.

In addition, a fastening ring 61 may be provided to fix the body 62 to the first tube 51 more firmly.

The fastening ring 61 is disposed above the body 62 to surround the elastic member 66.

A screw thread is formed at the bottom of the fastening ring 61, and a horizontal cross-sectional shape is formed in a polygonal shape at the top. The polygon is formed in this way so that the tool can be easily used, so that the user can easily detach the body 62 from the first tube 51.

The button portion of this configuration fits the shaft 64b into the body 62.

The recess 65 is screwed between the shaft 64b and the body 62 and the elastic member 66 is disposed in the recess 65.

The pressing portion 64a is screwed onto the shaft 64b and the upper portion of the elastic member 66 is seated.

Subsequently, the body 62 is inserted into the lead-out hole 59 of the first pipe 51, and then the fastening ring 61 is inserted and screwed to fix the button part firmly to the first pipe 51.

As such, the present invention does not need to provide a separate solenoid valve such as a solenoid valve, so the number of parts is reduced, and there is an advantage that it is easy to repair even when a product is broken.

Meanwhile, as shown in FIG. 8, the guide piece is formed to be inclined so as to be close to the outlet 52 as the valve 50 ′ according to another embodiment, so that the water is inclined to be ejected so as to fall while drawing a parabolic when the water falls. Can be. This prevents water from splashing around the drinking fountain.

The operation of this embodiment having the above-described configuration will be described below.

When the user presses the pressing portion 64a, the shaft 64b and the plunger 64c are directed downward so that the drinking water moves into the body 62 by the water pressure of the tap water. Drinking water introduced into the body 62 passes through the outlet 62b to be discharged to the outlet 52 and is discharged to the second pipe 56.

In addition, the drinking water in the transfer pipe 40 passes through the helical flow path of the transfer pipe 40 and heat-exchanges with the coolant in the coolant container 32, and then is supplied to the valve 50.

When the user does not press the pressing portion 64a, the button is returned by the elastic force of the elastic member 66 that has been compressed. The returned plunger 64c is in close contact with the engaging jaw 62a.

This prevents drinking water from flowing into the outlet 62b.

As a result, even if the outlet 52 is closed and the hydraulic pressure is applied, the drinking water is no longer flown and is stagnated until the front end of the valve 50.

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications or variations of the present invention without departing from the spirit and scope of the invention described in the claims below Can be carried out.

As described above, the drinking fountain according to the present invention is particularly suitable for drinking fountains directly connected to the faucet.

1 is a block diagram showing the configuration of a conventional water direct drinking fountain;

2 is a partial exploded perspective view showing the configuration of a conventional instantaneous cooling means instantaneous cooling means;

3 is an exploded perspective view of a negative drinking band according to a preferred embodiment of the present invention.

4 is an enlarged view of the cooling device of FIG.

5 is an enlarged view of the valve of FIG. 3.

6 is a cross-sectional view of the button portion of FIG.

7 is a perspective view of the combination of FIG.

8 is an enlarged view of a valve according to another embodiment of FIG. 3.

9 is a perspective view of the combination of FIG.

** Description of symbols for the main parts of the drawing **

10 housing 11 front panel

12: drain basin 13: side panel

21 compressor 22 condenser

30: cooling device 40: transfer pipe

50, 50 ': valve

Claims (2)

 A cooling device including a cooling liquid container filled with a liquid for transferring heat, and an evaporator configured to form a spiral tube along an outer wall surface of the cooling liquid container to cool the liquid; Two or more transfer pipes disposed in the coolant container and configured as spiral pipes to which drinking water is transferred into the pipes; The inlet and the outlet are in communication with the transfer pipe is formed, the first tube is formed between the inlet and the outlet outlet is formed, and the button portion is drawn through the outlet to open and close the first tube comprises two or more A valve for opening and closing the transfer pipe, respectively; The button unit is installed in the first tube and is formed in a tubular shape and the locking jaw is formed on the inner wall, a first sealing member disposed between the body and the first tube, and is installed to penetrate the body A button having a plunger caught by a locking jaw, and an elastic member disposed between the body and the button to return the button; Drinking fountain containing. delete

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