KR101832914B1

KR101832914B1 - Hot and Cold Water Dispenser

Info

Publication number: KR101832914B1
Application number: KR1020160031399A
Authority: KR
Inventors: 이원혁; 이동연; 김중희; 김항종
Original assignee: (주)원봉
Priority date: 2016-03-16
Filing date: 2016-03-16
Publication date: 2018-04-13
Also published as: JP2017165484A; JP6248161B2; KR20170107717A

Abstract

The present invention relates to a cold / hot water heater. The present invention relates to a cabinet for forming an appearance; A cold water tank provided at an upper portion of the cabinet for storing cold water; A hot water tank provided at an upper portion of the cabinet for storing hot water; A drawer provided at a lower portion of the cabinet and capable of being drawn in or drawn out; And a bucket seated on the drawer.

Description

{Hot and Cold Water Dispenser}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a cold / hot water machine, and more particularly, to a cold / hot water machine capable of improving cleanliness.

In recent years, environmental pollution is getting worse due to rapid industrial development. Among them, water pollution reaches a serious level, and in many places such as home and public offices, water is treated with water and drinking with drinking water.

In the broad sense, the cold / hot water generator means a device for supplying water to cold water and hot water by heating or cooling the water, and may include a device for purifying water supplied from an external water source or supplying water stored in a water tank.

The cold / hot water system includes a cold water tank and a hot water tank separately for storing cold water and hot water separately, a cooling device for cooling water is provided in the cold water tank, and a heating device for heating water is provided in the hot water tank . The cold water tank and the hot water tank are connected to each other through a separate connection pipe, and the water supplied to the inner space of the cold water tank is supplied to the hot water tank through the connection pipe.

For such a cold / hot water machine, studies are being conducted to improve the cleanliness.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a cleaner with improved cleanliness.

In addition, the present invention provides a cold / hot water generator in which a portion that can be sterilized by hot water in a hot water tank can be increased.

Another object of the present invention is to provide a cold / hot water machine in which user convenience is improved when a water bottle is placed using a drawer and the cleanliness can be improved by using a stainless pipe.

According to an aspect of the present invention, there is provided a cabinet comprising: a cabinet forming an outer appearance; A cold water tank provided at an upper portion of the cabinet for storing cold water; A hot water tank provided at an upper portion of the cabinet for storing hot water; A drawer provided at a lower portion of the cabinet and capable of being drawn in or drawn out; A bucket seated in the drawer; A first pump for providing a pressure for raising the water contained in the water tank to the cold water tank or the hot water tank; A first connection pipe provided in the drawer to form a flow path for discharging water from the water bottle; A second connection pipe forming a flow path in which water is supplied from the first connection pipe to the hot water tank or the cold water tank; A third connection pipe forming a flow path through which water flows into the second connection pipe; And a first three-way valve connecting the first connection pipe, the second connection pipe and the third connection pipe, and selectively forming a flow path by two connection pipes, The third connection pipe includes a first pipe connected to the first three-way valve, a second pipe connected to the first pipe, a third pipe connected to the second pipe, And a connector for rotatably coupling the second pipe and the third pipe, wherein the first pipe, the second pipe, and the third pipe are made of stainless steel And a heat exchanger for cooling the water.

According to the present invention, the portion of the hot water tank that can be sterilized by the hot water is increased, so that the cleanliness of the piping of the cold / hot water heater can be improved.

Further, according to the present invention, when replacing the water bottle, the drawer is pulled out, and after the water bottle is replaced, the drawer is pulled into the cabinet, so that the user's convenience can be improved.

Also, the stainless steel pipe can improve the cleanliness of the material of the pipe connected to the water bottle, and sterilization can be performed by using hot water.

1 is a perspective view of the present invention.
Fig. 2 is a front view showing a state in which the cabinet is removed in Fig. 1; Fig.
Fig. 3 is a rear view of Fig. 3; Fig.
4 is a view showing a connection state of pipes in the present invention.
5 is a view showing a main part of the present invention.
6 is a sectional view of the connector;
7 is a view showing components installed in a connector;
8 is a view showing a state in which a drawer is drawn or drawn.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. Definitions of these terms should be based on the content of this specification.

1 is a perspective view of the present invention.

Referring to FIG. 1, the cold / hot water heater includes a cabinet 10 forming an outer appearance, and the cabinet 10 can be provided with a lever 6 that can be pressed by a user. The user can press the lever 6 to take water out through the cock 4.

At this time, a separate button 2 may be provided on the cock 4 so that the user can press the lever 6 and allow the user to take out water only when the button 2 is pressed. For example, when the hot water is supplied to the cock 4, the hot water has a temperature at which the user can burn, so that when the child inadvertently presses the lever 6 and does not press the button 2 It is possible to prevent the hot water from being discharged to the outside.

An operation unit 20 for selecting the type of water to be discharged through the cock 4 may be provided on the cabinet 10. The user can select to discharge either hot water, cold water or hot water through the operating unit 20 through the cock 4. The operation unit 20 may be provided with a button for sterilizing the cold / hot water system. The user can perform the internal sterilization of the cold / hot water heater at a desired time by pressing the button. In this case, it is possible to use hot water stored in the hot water tank.

On the upper side of the cabinet 10, a display unit 22 capable of providing information related to the cold / hot water machine is provided. The display unit 22 can display information on the cold / hot water generator to the user. Specifically, the display unit 22 can display the type of water discharged through the cock 4. For example, when the hot water is activated in the display unit 22, hot water may be discharged through the cock 4. Also, the display unit 22 may provide information to the user as to whether sterilization for the cold / hot water heater is performed.

On the lower part of the cock 4, there can be provided a tray 8 in which water that can be overflowed by the user by excessively taking out water can be received. The tray 8 has a receiving space of a predetermined size inside and can be arranged to temporarily receive water. Of course, a separate drain pipe may be installed in the tray 8 so that the water contained in the tray 8 can be drained to the outside of the cabinet 10.

A cover 12 is provided under the cabinet 10 so that the user can open the cover 12 and take out a drawer provided in the cabinet 10. [ The user may draw the drawer into the cabinet 10 and then close the cover 12 so that the inside of the cabinet 10 is sealed from the outside.

FIG. 3 is a side view of FIG. 3, FIG. 4 is a view illustrating a connection state of pipes in the present invention, and FIG. 5 is a cross- Fig. In FIGS. 2, 3 and 5, the drawers are removed. The water container 80 containing the water is mounted on the upper side of the drawer.

This will be described below with reference to Figs. 2 to 5. Fig.

A cold water tank 50 provided at an upper portion of the cabinet 10 for storing cold water and a hot water tank 30 provided at an upper portion of the cabinet 10 for storing hot water are provided in the cabinet 10 do.

A water bottle 80 in which water is received is disposed below the hot water tank 30 and the cold water tank 50. The user can replace the water bottle (80).

The present invention includes a first pump (110) that provides a pressure to raise water contained in the water bottle (80) to the cold water tank (50) or the hot water tank (30). Since the water bottle 80 is disposed below the cold water tank 50 and the hot water tank 30, the first pump 110 is provided to move the water in the water bottle 80.

A first connection pipe 300 provided in the drawer 90 to form a flow path through which water is discharged from the water bottle 80; A second connection pipe 340 forming a flow passage to be supplied to the cold water tank 50 and a third connection pipe 360 forming a flow path through which water flows to the second connection pipe 340.

A first three-way valve 210 connecting the first connection pipe 300, the second connection pipe 340 and the third connection pipe 360 and selectively forming a flow path by two connection pipes, Respectively. The first three-way valve 210 may connect the first connection pipe 300 and the second connection pipe 340 and may connect the second connection pipe 340 and the third connection pipe 360 . The direction of movement of the water changes according to the connection flow path of the first three-way valve 210.

The second connection pipe 340 and the third connection pipe 360 include first pipes 342 and 362 connected to the first three-way valve 210 and first and second pipes 342 and 362, And third pipes 348 and 368 connected to the second pipes 344 and 364. The second pipes 344 and 364 are connected to the first and second pipes 344 and 364, respectively. The second connection pipe 340 and the third connection pipe 356 are formed of three pipes separated from each other.

The first pipes 342 and 362 and the second pipes 344 and 364 are rotatably coupled and the second pipes 344 and 364 and the third pipes 348 and 368 are rotatable The first pipe, the second pipe, and the third pipe can be rotated while being folded or unfolded around the connector 400. [0050]

Meanwhile, the first pipes 342 and 362, the second pipes 344 and 364, and the third pipes 348 and 368 are made of stainless steel, so that the sanitary property can be improved compared to a pipe using a material such as plastic have.

The third pipe 348 of the second connection pipe 340 and the third pipe 368 of the third connection pipe 360 are connected to a connection pipe 370 fixed to the cabinet 10 And the third pipe 348, 368 and the connection pipe 370 are rotatably coupled by the connector 400.

That is, the second connection pipe 340 and the third connection pipe 360 may be folded or unfolded by a plurality of connectors 400 in the middle, and may be connected to the outside by the connector 400 at one end.

The present invention further includes a second three-way valve 220 selectively connecting the second connection pipe 340 and the flow paths 222 and 224 connected to the cold water tank 50 or the hot water tank 30 . The second three-way valve 220 is configured to allow water to flow to the flow path 224 connecting the second connection pipe 340 and the cold water tank 220 or to connect the second connection pipe 340 and the hot water tank 220. [ It is possible to selectively change the flow path so that the water moves to the flow path 222 connecting the first and second flow paths 30. A connection pipe 370 is provided between the second connection pipe 340 and the second three-way valve 220 so that water can be moved between the connection pipes 370.

A second pump 120 for moving hot water from the hot water tank 30 to the second three-way valve 220 is connected to the flow path 222 to which the hot water tank 30 and the second three- Respectively. The second pump 120 moves the hot water from the hot water tank 30 toward the second three-way valve 220 so that the hot water flows from the hot water tank 30 toward the second three- The flow can be in the opposite direction.

And a third three-way valve 230 for selectively connecting the third connection pipe 360 and the flow paths 232 and 234 connected to the cold water valve 52 or the hot water valve 54. In the present invention, when the flow path is opened in the cold water valve 52, cold water can be discharged through the cock 4, and when the flow path is opened in the cold water valve 54, the hot water is discharged through the cock 4 . When the hot water valve 32 opens the flow path, the hot water can be discharged through the cock 4.

The cold water valve 52 is connected to an inner lower side of the cold water tank 50 and is connected to the cold water tank 50 through a cold water tank 50 The hot water and the cold water can be supplied. Usually, the lower side of the cold water tank has a relatively low temperature and the upper side has a relatively high temperature.

The third three-way valve 230 opens the flow path 232 connecting the third connection pipe 360 and the cold water valve 52 or connects the third connection pipe 360 and the hot water valve 54, The flow path 234 can be selectively opened. A connection pipe 370 is provided between the third connection pipe 360 and the third three-way valve 230 so that water can be moved between them.

The connection pipe 370 is fixed to the cabinet 10 so that the drawer 90 is not moved to the cabinet 10 or removed from the cabinet 10.

When water is supplied to the cold water tank 50 or the hot water tank 30 from the water bottle 80, the first three-way valve 210 is connected to the first connection pipe 300 and the second connection pipe 340, and the first pump 110 is driven.

As shown in FIG. 5, the second connector 340 and the third connector 360 may be provided with a plurality of connectors 400 symmetrical to each other, thereby constituting a flow path through which the water is moved .

Fig. 6 is a sectional view of the connector, and Fig. 7 is a view showing the components installed in the connector.

6 and 7, the second connection pipe 340, the third connection pipe 360, or the connection pipe 370 are coupled to one end of the connector 400, and the second connection pipe 340, The second connection pipe 340 or the third connection pipe 360 may be coupled.

The connector 400 includes a housing 410 having a hollow 414 formed thereon, a packing 430 fixed to the hollow 414 and on which the respective pipes are seated, And a collet 470 fixed to the inside of the cap 450.

Water flowing through the pipe connected to both ends of the connector 400 through the hollow 414 can be moved from one pipe to another pipe.

The packing 430 includes a recessed portion 432 recessed from the outer circumferential surface and a protruded piece 434 protruding from the inner circumferential surface of the packing 430. The recessed portion 432 and the protruded piece 434 are arranged in a direction It is possible to arrange them so as to overlap each other.

The depression 432 reduces the contact area of the outer circumferential surface of the packing with the hollow 414 of the connector 400 so that the packing 430 and the connector 400, Can be reduced.

The projecting pieces 434 reduce the contact area between the pipe and the inner circumferential surface of the packing, thereby reducing friction between the packing 430 and the pipe when the pipe is rotated.

Therefore, the degree of consumption of the packing 430 by the friction of the connector 430 is small, and the packing 430 can be used for a long time.

The cap 450 closes the exposed portions of both ends of the housing 410 of the connector 400 and provides a shape in which the collet 470 can be engaged.

The collet 470 includes a body portion 472 that is seated outwardly from the pipe, an extension portion 474 extending to be separated from the body portion 472, And may include protrusions 476 that are caught in the cap 450.

The collet 470 is moved adjacent to each other when the collet 470 temporarily passes through the cap 450. When the collet 470 is completely coupled to the cap 450, So that the coupling force can be ensured.

8 is a view showing a state in which a drawer is drawn or drawn.

8A shows a state in which the drawer 90 is drawn into the cabinet 10 and FIG. 8B shows a state in which the drawer 90 is drawn out of the cabinet 10.

When the operation of FIG. 8A is performed, the pipe is folded by the connectors 400 provided in the second connection pipe 340 and the third connection pipe 360. On the other hand, when the operation of FIG. 8B is performed, the pipe is unfolded by the connector 400 provided in the second connection pipe 340 and the third connection pipe 360.

Since the second connection pipe 340 and the third connection pipe 360 are both made of stainless steel, the drawer 90 can not be moved without the connector 400. That is, since the connector 400 is used, the drawer 90, on which the water bottle 80 is mounted, is movable in spite of the stainless steel pipe.

If the user needs to replace the water bottle 80 because the water bottle 80 is short of water, the user can replace the water bottle 80 after the drawer 90 is taken out. The cover 12 may be closed to prevent the aesthetics of the cold / hot water heater from being damaged.

Since the second connection pipe 340 and the third connection pipe 360 are made of stainless steel, the second connection pipe 340 and the third connection pipe 360 are connected to each other by using the hot water stored in the hot water tank 30, The connector 360 can be sterilized. If the plastic material is not stainless steel, it is likely to be deformed when it is sterilized by hot water. However, in the present invention, the pipe through which the water moves in the water bottle 80 is made of stainless steel and can be sterilized by hot water, thereby improving the cleanliness.

Hereinafter, the process of sterilizing the second connection pipe and the third connection pipe according to the present invention will be described. The hot water is moved to the second connection pipe 340 and the third connection pipe 360 along the path indicated by an arrow in FIG.

When the second connection pipe 340 and the third connection pipe 360 are sterilized, the second pump 120 is driven and the first pump 110 is not driven. Therefore, hot water is discharged from the hot water tank 30 toward the second pump 120.

The first three-way valve 210 connects the second connection pipe 340 and the third connection pipe 360 and blocks the flow path to the first connection pipe 300.

The second three-way valve connects the second pump 120 and the second connection pipe 360. The third three-way valve 230 connects the third connection pipe 360 and the hot water valve 54, Lt; / RTI >

Water is not discharged to the cock 4 because the flow path is blocked by the cold water valve 52, the hot water valve 54 and the hot water valve 32 while sterilization is being performed.

When sterilization is performed, hot water stored in the hot water tank 120 is moved toward the second three-way valve 220 through the flow path 222 by the pressure generated in the second pump 120. The second three-way valve (220) blocks the flow path (224) to the cold water tank (50). Therefore, the hot water is guided from the second three-way valve 220 to the connection pipe 370, and is moved to the second connection pipe 340.

The hot water flows through the third connecting pipe 360, the connecting pipe 370 and the third three-way valve 230 through the first three-way valve 210, To a flow path 234 connected to the flow path 234.

In addition, the hot water tank 30 may be provided with a flow path through which the hot water can be circulated.

In the present invention, hot water stored in the hot water tank 30 can be moved in the above-described manner to sterilize the passage through which the water moves in the water bottle 80.

It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

10: cabinet 30: hot water tank
50: Cold water tank 80: Bucket
110: first pump 120: second pump
210: first three-way valve 220: second three-way valve
230: third three-way valve 300: first connection pipe
340: second connector 360: third connector

Claims

A cabinet forming an appearance;
A cold water tank provided at an upper portion of the cabinet for storing cold water;
A hot water tank provided at an upper portion of the cabinet for storing hot water;
A drawer provided at a lower portion of the cabinet and capable of being drawn in or drawn out;
A bucket seated in the drawer;
A first pump for providing a pressure for raising the water contained in the water tank to the cold water tank or the hot water tank;
A first connection pipe provided in the drawer to form a flow path for discharging water from the water bottle;
A second connection pipe forming a flow path in which water is supplied from the first connection pipe to the hot water tank or the cold water tank;
A third connection pipe forming a flow path through which water flows into the second connection pipe;
A first three-way valve connecting the first connection pipe, the second connection pipe and the third connection pipe, and selectively forming a flow path by two connection pipes;
A second three-way valve selectively connecting the second connection pipe to the cold water tank or the hot water tank; And
And a third three-way valve for selectively connecting a flow path connected to the third connection pipe and a cold water valve for opening and closing the flow path for leaving cold water or a flow path for connecting the cold water valve for opening and closing the flow path for leaving the hot water,
And the second connection pipe and the third connection pipe are connected to each other,
A first pipe connected to the first three-way valve,
A second pipe connected to the first pipe,
A third pipe connected to the second pipe,
And a connector that rotatably couples the first pipe and the second pipe and rotatably couples the second pipe and the third pipe,
Wherein the first pipe, the second pipe, and the third pipe are made of stainless steel,
The third pipe of the second connection pipe and the third pipe of the third connection pipe are connected to a connection pipe fixed to the cabinet,
Wherein the third pipe and the connection pipe are rotatably coupled by the connector,
The connector includes a housing formed with a hollow portion, a packing fixed to the hollow portion and having respective pipes seated thereon, a cap coupled to both ends of the housing, and a collet fixed to the inside of the cap,
Wherein the packing includes a depression formed on an outer surface thereof and a protrusion formed on an inner surface thereof,
When the drawer is drawn into the cabinet, the second pipe and the third pipe of the second connection pipe and the second pipe and the third pipe of the third connection pipe are rotated about the connector, The second connection pipe and the third connection pipe are folded, the connection between the water bottle and the first connection is maintained,
When the drawer is drawn out from the cabinet, the second pipe and the third pipe of the second connection pipe and the second pipe and the third pipe of the third connection pipe are rotated about the connector, The second connection pipe and the third connection pipe are unfolded, the connection between the water bottle and the first connection is maintained,
Wherein when the second connection pipe and the third connection pipe are sterilized, the second pump is driven, the first three-way valve connects the second connection pipe and the third connection pipe, Is connected to the second pump and the second connection pipe, and the third three-way valve connects the third connection pipe and the cold / hot water valve.

delete

The method according to claim 1,
Wherein the depressed piece and the protruding piece are arranged so that their centers are overlapped with each other with respect to a vertical direction.

The method according to claim 1,
The collet may include,
A body portion that is seated in a seat recessed inwardly of the pipe,
An extension extending to be separated from each other in the body portion,
And a protrusion protruding radially from one end of the extended portion, the protrusion being caught by the cap.

delete

The method according to claim 1,
When water is supplied to the cold water tank or the hot water tank from the water bottle,
Wherein the first three-way valve connects the first connection pipe and the second connection pipe,
And the first pump is driven.

delete

The method according to claim 1,
And a second pump for moving the hot water from the hot water tank to the second three-way valve is provided in a flow path through which the hot water tank and the second three-way valve are connected.

delete

The method according to claim 1,
The cold water valve is connected to the upper side of the cold water tank,
And the cold water valve is connected to an inner lower side of the cold water tank.