KR980008280A - Drainage system of cold water purifier - Google Patents

Abstract

The drainage device for a cold / warm water purifier according to the present invention is a drainage device for a cold / hot water purifier for connecting a hot water and a cold water drain pipe to a lower part of hot water and a cold water drain, And one end of the hot water and the cold water discharge pipe are coupled to each other to prevent the hot water from flowing backward and reversely through the cold water discharge pipe when the stored water in the cold water tank is drained to the outside, And a reverse flow preventing member that forms a one-way outflow passage by being coupled with the other side of the body. Therefore, it is possible to prevent the cold water temperature rise factor in the cold water tank from occurring and reduce the number of operations of the compressor, It is.

Description

Drainage system of cold water purifier

FIG. 1 is a perspective view showing a conventional cold / warm water purifier; FIG.

FIG. 2 is a sectional view showing a side of a conventional cold / warm water purifier; FIG.

FIG. 3 is a cross-sectional view showing a front side of a conventional cold / warm water purifier; FIG.

FIG. 4 is a flow chart showing an arrangement state of a conventional filtration means and a pressurizing pump; FIG.

FIG. 5 is a schematic view showing a drainage line of a conventional water bottle and a water receiving container; FIG.

FIG. 6 is a schematic view showing a water line of the water container and a water drainage line of the present invention; FIG.

FIG. 7 is a sectional view showing a state in which the drainage line on the water-tank side of the present invention is opened.

FIG. 8 is a cross-sectional view showing a state in which the water-receptacle-side drainage line of the present invention is opened.

DESCRIPTION OF THE REFERENCE NUMERALS

110: hot water tank 113: hot water pipe

120: cold water tank 123: cold water pipe

200: Drain switching means 210: Body

220: backflow prevention member 221: flange portion

222: first inlet 223: second inlet

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reverse osmosis type cold / hot water purifier for removing various harmful substances contained in raw water such as tap water. More particularly, the present invention relates to a water / (For example, hot water and cold water) is discharged to the outside so that the stored water can flow back along the water drainage line of the water receptacle due to the water head difference raised by the internal pressure to prevent water overflow phenomenon To a drainage device for a cold / warm water purifier.

In a general cold / hot water purifier, raw water supplied from water conduction is passed through a separate filtering means, and foreign substances contained in raw water to be purified are removed.

Such a cold / warm water purifier can be categorized into a natural filtration type, a direct filtration type, an ion exchange water type, and an reverse osmosis type depending on the purification method. In particular, the reverse osmosis type cold / By passing water through a membrane, which is an osmosis membrane, water is separated and removed of heavy metals, bacteria, carcinogens, etc., and only purified water and dissolved oxygen are passed through it, which is used for cleaning of the high-tech science industry or ultra- , Recently, it has been widely used for cold water purifiers for household and business use for drinking water due to severe environmental pollution.

As shown in FIGS. 1 to 3, the main body 10 includes a front panel 11, a rear panel 12, both side panels 13, an upper panel 14, a lower panel 14, (15) which are fastened and assembled together.

At this time, a water receiving tube 16 for collecting the remaining water falling from a take-off valve, which will be described later, is provided at the middle middle of the front panel 11, and the water collected in the water receiving tube 16, And a residual water discharge pipe 17 for draining water is connected.

The first and second partitioning members 20 and 21 are installed in the lateral direction so as to form a space E having a constant area on the upper and lower sides with respect to a predetermined height in the main body 10, And a third partitioning member 22 is provided in the longitudinal direction so as to form a space G of a certain area on the rear side between the first partitioning member 20 and the second partitioning member 21, The first partitioning member 20 and the second partitioning member 21 are formed so that a space H having a constant area is formed on the upper side and the lower side on the front side between the first partitioning member 20 and the second partitioning member 21, And a fourth partition member 24 is provided in a lateral direction at a predetermined lateral height.

At this time, the space F is provided with a purified water storage container 30 capable of storing a constant water constant on the upper surface thereof via the first partition member 20, And a control box 40 for selectively operating the control box 40. As shown in Fig.

In the space F, the lower panel 15 includes a compressor 50 for compressing the refrigerant at a high temperature and a high pressure at one side thereof with respect to the upper surface thereof, and a condenser 50 for receiving the refrigerant compressed from the compressor 50 at the other side thereof. And a cooling means (70) for cooling the compression and condensation heat generated in the compressor (50) and the condenser (60) is provided in the middle of the condenser (60).

A plurality of filtration means 90 are installed in the space G so as to be exchangeable via first and second filter fixing brackets 80 and 81 at a predetermined height on the rear surface of the third partitioning member 22 And a pressurizing pump 100 is provided on one side of the upper surface of the second partitioning member 21. As shown in Fig.

That is, as shown in FIG. 4, the plurality of filtration means 90 includes a first filter fixture (not shown) to remove floating debris such as rust and debris contained in raw water when raw water supplied from a water- A first filter fixing bracket 80 is provided to remove foreign matters such as chlorine components contained in the raw water when the raw water supplied from the precipitation filter 91 passes, A first filter fixing bracket 92 for removing various heavy metals and carcinogenic substances contained in the raw water when the raw water supplied to the pressurizing pump 100 from the pre-processing filter 92 passes through the pretreatment filter 92, The first and second membrane filters 93 and 94 provided through the first membrane filter 80 and the second membrane filter 93 and 94 and the first and second membrane filters 93 and 94, And a first filter fixing bracket 80 (95) for sterilizing harmful bacteria contained in the raw water when the raw water supplied from the post-treatment filter (95) passes through the filter (95) And a sterilizing filter 96 provided through a fixing bracket 81. [

At this time, the sedimentation filter 91, the pre-treatment filter 92, the first and second membrane filters 93 and 94, the post-treatment filter 95, the sterilizing filter 96, And a connecting hose 97 for guiding the hose.

A concentrated water pipe 98 is connected to one side of the lower portion of the first and second membrane filters 93 and 94 so that the concentrated water generated while passing through the first and second membrane filters 93 and 94 is discharged to the outside.

Meanwhile, in the space H, the purified water stored in the purified water storage tank 30 is supplied through the first and second purified water pipes 31 and 32 to be heated and cooled, 23, a hot water tank 110 and a cold water tank 120 are installed.

A heater member 111 for heating the purified water in the inside of the hot water bottle 110 while receiving power is installed in the hot water bottle 110. A liquid coolant is received on the outer circumference side of the cold water bottle 120, The cooling coil 121 is wound spirally to cool the purified water in the hot water and the cold water tubes 110 and 120. The hot water and the cold water tubes 110 and 120 Water intake valves 130 and 131 connected to the installed water discharge pipes 112 and 122 and for the hot water and the cold water protruding through the front panel 11 are installed.

As shown in FIG. 5, hot water and cold water discharge pipes 113 and 123 are connected to one side of the lower surface of the hot water and cold water pipes 110 and 120. These hot water and cold water pipes 113 and 123 The cold water drained through the cold water drain pipe 123 flows backward through the hot water drain pipe 113 and flows into the hot water pipe 110 through the hot water drain pipe 113, Respectively, so as to prevent them from being mixed with each other.

At this time, a first elbow pipe 160 is connected to an end of the hot water pipe 113 and the cold water pipe 123, and the first elbow pipe 160 is connected to the hot water pipe and the cold water pipe The first connection pipe 170 is connected to the first connection pipe 170 and the water drain pipe 17 of the water receiving pipe 16 to connect the first connection pipe 170 to the first connection pipe 170, The second elbow pipe 161 is connected to one end of the second elbow pipe 161 and is connected to one side of the water storage tank 160 through the first connection pipe 160, 16 are connected to a second connection drain pipe 171 so that the residues naturally drained through the drain water pipe 17 of the second connection pipe 16 are drained to one drainage line.

On the other hand, in the space I, a main printed circuit board 140 is provided on the upper surface of the second partitioning member 21 to control operation of the product.

When the pressurizing pump 100 is operated by operating a function and a selection button (not shown) arranged in the upper front side control box 40 of the main body 10 in the thus constructed cold / warm water purifier, (Water) supplied by the water pressure and the pressure caused by the operation of the pressurizing pump 100, the water is purified by flowing through the plurality of filtration means 90.

That is, when the raw water supplied from the water inlet (not shown) passes through the interior of the sedimentation filter 91, suspended substances such as rust residues contained in the raw water are removed. After passing through the sedimentation filter 91, Foreign matter such as chlorine components contained in the raw water is removed when passing through the pre-treatment filter 92, and when the first and second membrane filters 93 and 94 pass through the pre-treatment filter 82, Various heavy metals and carcinogens are removed.

After passing through the first and second membrane filters 93 and 94, the odor and toxic gas components contained in the raw water are removed when passing through the post-treatment filter 95, Sterilizing filter 96 to sterilize harmful bacteria contained in the raw water and supply it to the purified water storage tank 30. [

At this time, the purified water stored in the purified water storage tank 30 is supplied to the hot water and cold water tubes 110 and 120 through the first and second purified water pipes 31 and 32 connected to the bottom surface thereof. That is, the purified water flowing along the first purified water pipe 31 is continuously supplied to a predetermined capacity through the upper side of the hot water pipe 110, and the purified water flowing along the second purified water pipe 32 is supplied to the The purified water is continuously supplied to the constant water tank 30 through the upper side and the purified water is stored in the purified water storage tank 30 only when the purified water and the cold water bottles 110 and 120 become full water level and no more purified water is supplied At the same time, when the water is stored at a constant capacity according to a sensing signal of a water level sensor (not shown) installed on one side of the purified water storage tank 30, the operation of the pressure pump 100 is stopped.

When the heater member 111 installed in the hot water tank 110 is operated to supply hot water, the heater member 111 generates heat at a predetermined temperature in accordance with the supplied current, and the purified water stored in the hot water tank 110 is heated Heat exchange is performed.

When the compressor 50 is operated to supply the cold water, the gas refrigerant gas of high temperature and high pressure is supplied to the condenser 60 by the compression action of the compressor 50, and the refrigerant flowing along the inside of the condenser 60 The gas is condensed by wind blowing by the operation of the cooling means (70).

The gas refrigerant gas that has been condensed while passing through the condenser 60 is phase-changed into a high-pressure liquid refrigerant gas at a temperature somewhat higher than the room temperature, which is the ambient temperature of the cold / warm water purifier, and is reduced in pressure by passing through a capillary (not shown) The refrigerant gas flows into the cooling coil 121 wound on the outer circumferential surface of the cold water container 120 and is expanded so that the refrigerant gas is vaporized to a low temperature and a low pressure and at the same time a cooling action is performed to cool the purified water stored in the cold water container 120 .

On the other hand, when the user wishes to receive hot water and cold water stored in the hot water and cold water bottles 110 and 120 to a container (not shown) such as a cup, first a container such as a cup is connected to the hot water and cold water intake valve 130 (Not shown) provided in the water supply valve 131 and pushing it to the rear side, the passage of the water intake valves 130 and 131 is opened by the force that the water intake lever is rotated to the rear side, 110 and 120 are guided by the water intake valves 130 and 131 respectively coupled with the water discharge pipes 112 and 122 to be discharged to a container such as a cup.

However, according to the conventional drainage device for the cold / warm water purifier, the water in the hot water tank 110 and the cold water tank 120 can be drained simultaneously to the outside in order to periodically clean the water tank according to the user's intention. The hot water and the cold water discharge pipes 113 and 123 are connected to the lower ends of the cold water pipes 110 and 120 and combined with each other in the middle to provide one drain line, The counterflow preventing means 150 and 151 are respectively installed at the upper end of the cold water circulation preventing means 151. In this structure, the cold water side counterflow preventing means 151 is provided at a position close to the cold water container 120, The hot water is instantaneously countercurrently and thermally conducted through the cold water discharge pipe 123 in a short time and is mixed into the cold water container 120 so that the cold water temperature is raised to lower the cooling capacity and the number of times of operation of the compressor 50 is increased The problem of increasing the power consumption has emerged.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above problems. Accordingly, it is an object of the present invention to provide a water purifier for a water purifier, And to prevent a cold water temperature rise factor in the cold water tank by preventing heat conduction, and to reduce the number of times of operation of the compressor, thereby reducing power consumption.

In order to accomplish the above object, the present invention provides a drainage device for a cold / warm water purifier, comprising a hot water and a cold water drain pipe connected to a lower portion of a hot water and a cold water drain, The end of the hot water and the cold water discharge pipe are coupled to one side of the hot water and the cold water discharge pipe to prevent the hot water from flowing backward and through the cold water discharge pipe through the cold water discharge pipe when the stored water in the hot water and the cold water bottle is drained to the outside, And a backflow prevention member formed at one side of the drainage switching means and connected to the other side of the drainage conversion means to form a one-way outlet passage.

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

In the drawings, the same components as those in the conventional configuration are denoted by the same reference numerals and symbols, and a detailed description thereof will be omitted.

In the figure, reference numeral 200 denotes a water drainage line for preventing water overflowing through the water drainage line of the water receiver 16 through the drain line of the hot water and the cold water pipes 110 and 120, And drainage switching means for selectively opening and closing the drainage passage is provided at a portion where the remaining water drainage lines are joined to each other.

That is, as shown in FIG. 6 to FIG. 8, the drainage switching means 200 allows the residual water discharge pipe 17 and the connected drain pipe 170 to be connected to the upper and lower sides in the diagonal direction, And a water discharge pipe connected to an end of the hot water and cold water discharge pipes 113 and 123 so as to be connected to a drainage passage on the lower side of the body 210. The cylindrical body 210 is formed on the front side of the body 210, A connection cap 230 which is screwed on the back side of the body 210 and a connection cap 230 which is coupled to the connection cap 230 by a screw, And a hollow sealing body (240) interposed between the hollow sealing body (240) and the other side of the hollow sealing body (240) while being maintained at a predetermined distance from the inner diameter of the rear side of the body (210) Closing the drainage channel of the remaining water when moving backward, The valve body 250 inserted into the inner diameter of the sealing body 240 through the front side of the body 210 when the backflow preventing member 220 is engaged so as to open the drainage passage of the stored water, And an elastic body 260 inserted into an inner diameter of the sealing body 240 so that the valve body 250 is elastically moved forward, and a valve body 250 having one side end inserted through the rear side of the valve body 250, An operating shaft 270 protruding outward from the inner circumference of the elastic body 260 through the connecting cap 230 and an operating shaft 270 protruding outward to pull the valve body 250 backward by eccentric rotation, And an operation lever 290 hinged to an end of the operation shaft 270 through the hinge pin 280 and closely attached to the outer surface of the connection cap 230.

At this time, the body 210 has a first cylindrical portion 211 in front of the sphere so as to form a stepped surface at the center thereof, and a second cylindrical portion 211 having a smaller diameter than the diameter of the first cylindrical portion 211 212 are integrally formed.

An inlet port is formed in the upper part of the outer circumference of the second cylindrical part 212 so that the residual water pipe 17 is connected to the upper surface of the second cylindrical part 212. The connection pipe 170 is connected to the lower part of the outer circumferential surface of the first cylindrical part 211 The first and second coupling portions 220 and 230 are screwed to the front and rear sides of the outer circumferential surface of the first and second cylindrical portions 211 and 212, Not shown) are formed.

The backflow preventing member 220 is integrally formed with a flange portion 221 having a female threaded surface (not shown) so as to be screwed with the front side of the body 210 at the rear side relative to the outer peripheral surface thereof, The first and second inflow ports 222 and 223 are protruded from the outside so that the hot water and the cold water discharge pipes 113 and 123 are respectively connected by fitting.

The connecting cap 230 is integrally formed with a flange portion 231 having a female threaded surface (not shown) so as to be screwed with the rear side of the body 210 on the front side with respect to the outer peripheral surface thereof, A through hole 232 is formed through the operating side 270.

The sealing member 240 is hollow and has a flange portion 241 integrally protruding from the outer circumferential surface of the sealing member 240 so as to be interposed therebetween when the body 210 and the connection cap 230 are screwed together. .

The valve body 250 is integrally formed with a first tight contact portion 251 at the front side thereof for simultaneously opening and closing the first and second inflow ports 222 and 223 formed in the backflow preventing member 220, Is inserted into the inner diameter of the sealing member 240 at its rear side and slid back and forth so as to be in close contact with the inner circumferential surface on the front side of the second cylindrical portion 212 formed in the body 210 to open and close the inlet 213, (252) are integrally formed.

The elastic body 260 is composed of a coil spring which performs a compression action.

The actuating shaft 270 is formed by a round bar and is inserted through the rear side of the valve body 250 at the front and intermediate sides thereof to form a first tight contact portion 251 and a second tight contact portion 252, A first protrusion 271 and a second protrusion 272 are formed so as to be coupled to a portion of the hinge pin 280 without detachment and a hinge hole (not shown) is formed at the rear of the first protrusion 271 and the second protrusion 272 so that the hinge pin 280 is inserted have.

The operation lever 290 is formed with an operation groove 291 having a predetermined depth so that the rear end of the operation shaft 270 is inserted into the center of the front side of the operation lever 290, A hinge hole (not shown) is formed in the hinge hole (not shown) so that the hinge pin 280 is inserted in a crossed manner.

In the figure, reference numeral 300 denotes a packing member.

Next, the operation and effect of the present invention configured as described above will be described.

As shown in FIG. 6, in order to regularly clean the purified water storage tank 30 and the hot water and cold water bottles 110 and 120 according to the intention of the user once a month, the hot water and the cold water bottles 110 The hot water and the cold water discharge pipes 113 and 123 are opened by operating the solenoids 150 and 151 provided on the lower side hot water and the cold water pipes 113 and 123 of the operation lever 120 The operation lever 290 is rotated in the upward direction at a predetermined angle around the hinge pin 280 and at the same time is stopped at a predetermined position, The operation shaft 270 is pulled backward through the hinge pin 280 by an eccentricity error (for example, an eccentric maximum distance) that slides against the outer side surface of the hinge pin 280, The first and second protrusions 271 and 272 protruding from the valve body 250 and the first and second protrusions 271 and 272 formed on the front and rear sides of the valve body 250, The valve body 250 is simultaneously pulled backward by the fixed engagement with the fused portions 251 and 252. When the valve body 250 is moved to the rear side, its rear side is moved along the inner diameter of the sealing body 240 And the elastic body 260 installed in the sealing body 240 is compressed while being slid.

When the valve body 250 is moved to the rear side, the front first contact portion 251 simultaneously opens the passages of the first and second inlet ports 222 and 223 formed in the backflow preventing member 220 The valve body 250 opens the reservoir water discharge line between the first and second inflow ports 222 and 223 and the outflow port 214 formed on the lower front side of the body 210, The first and second cylindrical portions 252 are closely contacted with the inner peripheral surface of the second cylindrical portion 212 of the body 210 so as to close the residual water discharge line through the inlet 213 formed on the upper rear side of the body 210.

The stored water stored in the hot water and cold water bottles 110 and 120 flows through the hot water discharge pipe 113 and the cold water discharge pipe 123 and is connected to the ends of the hot water discharge pipe 113 and the cold water discharge pipe 123, Flows into the first and second inflow ports 222 and 223 of the backflow preventing member 220 and is merged with each other in the first cylindrical portion 211 of the body 210 so that the direction of arrows in FIG. And is discharged to the outside of the product along the connection drain pipe 170 connected to the outlet 214 of the body 210.

At this time, the stored water passing through the stored water drainage line of the drainage switching means 200 can not flow back along the drainage drainage line. Therefore, when the stored water in the hot water and the cold water pipes 110 and 120 is drained to the outside, The stored water can be prevented from being overflowed along the residual water discharge pipe 17 and flowing into the water receiving case 16 due to the water head difference.

When the operation lever 290 is first pulled in the state of FIG. 8 in order to drain the water collected in the water receiving case 16 to the outside, the operation lever 290 is moved downward about the hinge pin 280 (Eccentric minimum distance, for example) at which the other side surface of the connection cap 230 is rotated and slid against the outer surface of the connection cap 230 while the hinge pin 280 is rotated, ) Can be moved to the front side.

Accordingly, the valve body 250 fixedly coupled to the operation shaft 270 is moved forward by the elastic force of the elastic body 260 so that the front first tight contact portion 251 of the valve body 250, 222 and 223 so that the stored water drainage line between the first and second inflow ports 222 and 223 and the outflow port 214 formed on the lower front side of the body 210 is connected to the first inflow port 222 and the second inflow port 222, And the rear second tight contact portion 252 is spaced apart from the end surface of the inner circumferential surface of the second cylindrical portion 212 of the body 210 at a predetermined distance, And the residual water discharge line through the outflow port 214 is opened.

At this time, the residual water collected in the water receiving box 16 flows along the residual water discharge pipe 17, passes through the residual water drain line as indicated by the dotted arrow in FIG. 8 and is connected to the outlet 214 of the body 210 And is drained to the outside of the product along the connection drain pipe (170).

As described above, the drainage device of the cold / warm water purifier according to the present invention is characterized in that the storage water drainage lines are connected at the ends of the hot water and cold water pipes, and at the same time, It is possible to eliminate the phenomenon that the hot water is reversed and reversed through the cold water drain pipe when the stored water in the hot water and the cold water tank is drained to the outside in order to clean the water tank according to the intention of the user, It is possible to prevent the cold water temperature increase factor in advance and reduce the number of times of operation of the compressor, thereby reducing power consumption.

Claims (3)

In the drainage device of the cold / hot water purifier for connecting the hot water and the cold water drain pipe to the lower part of the hot water and the cold water drain, the hot water and the stored water in the cold water drain are discharged to the outside The end and one side of the hot water and the cold water discharge pipe are coupled to each other to form a two-way inflow passage so that hot water does not flow back and heat through the cold water discharge pipe, and the body and the other side of the water discharge switching means are coupled to each other, And a backflow preventing member for preventing the backflow of the cold / warm water purifier. The backflow prevention member according to claim 1, wherein the backflow preventing member has a flange portion to which the front side of the body is screwed to the rear side relative to the outer peripheral surface thereof, and a first and a second 2 < / RTI > inlet. The drainage device for a cold / warm water purifier according to claim 2, wherein the first and second inlets are configured to simultaneously open and close the outflow passages by valve operation in the drain switching means. ※ Note: It is disclosed by the contents of the first application.