CN215724274U - Cold and hot water exchange device of under-kitchen cold and hot water machine - Google Patents
Cold and hot water exchange device of under-kitchen cold and hot water machine Download PDFInfo
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- CN215724274U CN215724274U CN202120929630.2U CN202120929630U CN215724274U CN 215724274 U CN215724274 U CN 215724274U CN 202120929630 U CN202120929630 U CN 202120929630U CN 215724274 U CN215724274 U CN 215724274U
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Abstract
The utility model discloses a cold and hot water exchange device of a under-kitchen cold and hot water machine, which comprises a box body, wherein a cover plate covers the upper part of the box body, a heat exchange pipe is arranged in the box body, two ends of the heat exchange pipe are provided with three-way valves, the upper part of each three-way valve exceeds the upper surface of the cover plate, the side surface of the box body is provided with a first fan, one side of the first fan is communicated with the inside of the box body, the heat exchange pipe comprises an inner pipe, the outer side of the inner pipe is sleeved with an outer pipe, a gap is reserved between the outer pipe and the inner pipe, the outer pipe is communicated with a second port of the three-way valve, the inner pipe is communicated with a third port of the three-way valve, the second port of the three-way valve is communicated with normal temperature water, and the third port of the three-way valve is communicated with hot water. The utility model realizes the integration of normal temperature water and hot water pipelines by arranging the inner pipe and the outer pipe, greatly improves the heat exchange efficiency, and has simple and reasonable structure and good practicability.
Description
Technical Field
The utility model relates to the technical field of water dispensers, in particular to a cold and hot water exchange device of a kitchen-under type cold and hot water dispenser.
Background
Along with the improvement of living standard, cold and hot water machines are more and more popular with people, many families are equipped with cold and hot water machines at present for improving drinking water quality, the cold and hot water exchange device of the existing cold and hot water machines is usually realized through the mutual winding of a normal temperature water pipe and a hot water pipe and the realization of air cooling and heat exchange cooling of hot water temperature through a fan, and a gap exists between the normal temperature water pipe and the hot water pipe in the mode, so that the heat exchange efficiency is not high, and the improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a cold and hot water exchange device of a under-kitchen cold and hot water machine, which integrates normal temperature water and hot water pipelines by arranging an inner pipe and an outer pipe, greatly improves the heat exchange efficiency, and has simple and reasonable structure and good practicability.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a cold and hot water exchange device of cold and hot water machine of kitchen following formula, includes the box, box upper portion lid has closed the apron, the inside hot exchange pipe that is equipped with of box, hot exchange pipe both ends are equipped with the three-way valve, three-way valve upper portion surpasss the apron upper surface, the box side is equipped with first fan, first fan one side and the inside intercommunication of box, hot exchange pipe includes the inner tube, inner tube outside cover is equipped with the outer tube, there is the clearance between outer tube and the inner tube, the second port intercommunication of outer tube and three-way valve, the third port intercommunication of inner tube and three-way valve, the second port intercommunication of three-way valve has normal atmospheric temperature water, the third port of three-way valve leads to there is hot water.
The outer side of the outer pipe is in sealing fit with a first port of the three-way valve, and the outer side of the inner pipe is in sealing fit with a third port of the three-way valve.
The outer tube outside cover is equipped with the nut, the inside sealed pad of annular second that is equipped with of nut, the nut passes through threaded connection with the first port of three-way valve, the upper and lower surface is the first port and the nut of butt three-way valve respectively on the second sealing washer, the sealed inboard butt outer tube outside of annular of pad of second.
The third port department threaded connection of three-way valve has the adapter, the inside first sealed pad that is equipped with of adapter, the first sealed lower extreme that fills up inserts in the third port of three-way valve, the adapter is sealed through first sealed pad with the third port of three-way valve, the tip of inner tube inserts first sealed annular inboard that fills up, inner tube and first sealed cooperation.
The heat exchange tube is spirally coiled inside the box body.
The outer pipe and the inner pipe are both metal corrugated pipes.
The side face of the box body is provided with a fan hole corresponding to the first fan, and the first fan is communicated with the interior of the box body through the fan hole.
The utility model has the beneficial effects that:
1. normal-temperature water is introduced into the outer pipe, hot water is introduced into the inner pipe, and the outer pipe wraps the inner pipe to exchange heat, so that the contact area between the normal-temperature water and the outer wall of the inner pipe is greatly increased, the heat exchange efficiency is improved, the structure is simple and reasonable, the practicability is good, and the efficiency is high;
2. the first fan can be used for air cooling the heat exchange tube, so that the temperature of hot water in the heat exchange tube is effectively reduced, heat exchange is facilitated, and the structure is simple and reasonable;
3. by arranging the first sealing gasket and the second sealing gasket, water leakage between normal-temperature water and hot water is effectively prevented;
4. the heat exchange pipe is a spiral disc inside the box body, so that the volume of the heat exchange pipe is reduced, the heat exchange pipe inside the box body has enough length, and the temperature of hot water can be effectively reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure with the upper cover removed from the first view;
FIG. 3 is a schematic structural view at a second viewing angle with the upper cover removed;
FIG. 4 is an exploded view of the housing;
FIG. 5 is a schematic view of the waterway of the present invention;
FIG. 6 is a schematic diagram of the structure of the switching device;
FIG. 7 is a cross-sectional view of the junction of the three-way valve;
FIG. 8 is a schematic view of the construction of a hot can;
fig. 9 is a waterway diagram of the present invention.
In the figure: the heat exchanger comprises a shell 1, an upper cover plate 101, a front panel 102, a rear cover plate 103, a bottom plate 104, a heat dissipation hole 105, a water drainage hole 106, a convex rib 107, an exchange device 2, a box body 201, a fan hole 2011, a cover plate 202, a heat exchange pipe 203, an outer pipe 2031, an inner pipe 2032, a first three-way valve 204, a connector 2041, a second three-way valve 205, a first sealing gasket 206, a first fan 207, a screw cap 208, a second sealing gasket 209, a hot tank 3, a four-way pipe 301, a hot tank water inlet 302, a water drainage pipe 303, a temperature sensing probe 304, a cold tank 4, a cold tank water inlet pipe 401, a cold water outlet pipe 402, a water pump inlet pipe 403, a water pump return pipe 404, a water pump 5, a normal temperature water pipe 6, an electromagnetic valve inlet pipe 7, an electromagnetic valve 8, an electromagnetic valve outlet pipe 9, a hot water pipe 10, a hot water outlet pipe 11, an exhaust valve 12, an exhaust pipe 13, a compressor 14, a second fan 15, a power switch 16 and a fixing plate 17.
Detailed Description
The utility model is further described with reference to the accompanying drawings and the detailed description below:
in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 9, a cold and hot water exchanger of a under-kitchen cold and hot water machine comprises a box body, the exchanger 2 comprises a box body 201, a cover plate 202 is covered on the upper portion of the box body 201, the heat exchange pipe 203 is located inside the box body 201, three-way valves are arranged at two ends of the heat exchange pipe 203, the upper portion of each three-way valve exceeds the upper surface of the cover plate 202, a first fan 207 is arranged on the side surface of the box body 201, one side of the first fan 207 is communicated with the inside of the box body 201, and the heat exchange pipe 203 can be air-cooled by arranging the first fan 207, so that the temperature of hot water in the heat exchange pipe 203 is effectively reduced, heat exchange is facilitated, and the structure is simple and reasonable;
specifically, heat exchange pipe 203 includes inner tube 2032, the cover is equipped with outer tube 2031 outside inner tube 2032, there is the clearance between outer tube 2031 and the inner tube 2032, the second port intercommunication of outer tube 2031 and three-way valve 204 and three-way valve two 205, the third port intercommunication of inner tube 2032 and three-way valve 204 and three-way valve two 205, the second port of three-way valve leads to normal atmospheric temperature water, the third port of three-way valve leads to hot water, normal atmospheric temperature water in the outer tube 2031, the hot water that leads to of inner tube 2031, wraps up inner tube 2032 through outer tube 2031 and carries out the heat exchange, has improved the area of contact of normal atmospheric temperature water and inner tube 2031 outer wall greatly to heat exchange efficiency has been improved, and simple structure is reasonable, and the practicality is good, efficient.
The utility model relates to an exchange device of a kitchen-below type water cooling and heating machine, which comprises a shell 1, wherein a power switch 16 is arranged on the outer side of the shell 1, an exchange device 2, a hot tank 3, a cold tank 4 and a compressor 14 for refrigeration are respectively arranged in the shell 1, a second fan 15 is arranged on the side surface of the compressor 14, one side of the second fan 15, which is far away from the compressor 14, is communicated with the outside of the shell 1, the compressor 14 can be cooled by arranging the second fan 15, the continuous and effective work of the compressor 14 is ensured, the shell 1 is composed of an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected through screws, the upper shell and the lower shell are convenient to assemble and maintain, namely, various pipelines and components in the upper shell can be exposed only by disassembling the upper shell, and the maintenance and inspection are convenient, simple and reasonable structure and good practicability.
As shown in fig. 4, the lower housing includes a front panel 102, the power switch 16 is fixed on the front panel 102, the front panel 102 is provided with a heat dissipation hole 105, the heat dissipation hole 105 faces the second fan 15, the power switch 16 is disposed above the front panel 102 for the user to operate, and the heat dissipation of the compressor 14 is facilitated through the heat dissipation hole 105.
The lower shell comprises a rear cover plate 103 and a bottom plate 104, a fixing plate 17 is arranged on the inner side of the rear cover plate 103, the hot tank 3 is fixed through the fixing plate 17, a drain hole 106 penetrating through the bottom plate 104 is formed in the bottom plate 104, a drain pipe 303 is arranged at the bottom of the hot tank 3, the drain pipe 303 is positioned right above the drain hole 106, the drain pipe 303 is arranged at the bottom of the hot tank 3, and water in the hot tank 3 can be emptied.
The outer surfaces of the front panel 102 and the rear cover plate 103 extend outwards to form a plurality of ribs 107, and the strength of the front panel 102 and the rear cover plate 103 can be improved by the plurality of ribs 107, so that the overall strength of the shell 1 is improved.
The three-way valve is three-way valve one 204 and three-way valve two 205 respectively and connects respectively at hot exchange pipe 203 both ends, two ports of three-way valve one 204 are connected with normal temperature water pipe 6 and cold jar inlet tube 401 respectively, two ports of three-way valve two 205 are connected with solenoid valve inlet tube 7 and hot-water line 10 respectively, solenoid valve inlet tube 7 and hot-water line 10 and hot jar 3 intercommunication, cold jar inlet tube 401 and cold jar 4 intercommunication, hot jar 3 is equipped with can go out hydrothermal hot water outlet pipe 11, cold jar 4 is equipped with the cold water outlet pipe 402 that can go out cold water.
Specifically, the heat exchange tube 203 includes an inner tube 2032, an outer tube 2031 is sleeved outside the inner tube 2032, a gap exists between the outer tube 2031 and the inner tube 2032, the outer tube 2031 is communicated with second ports of a first three-way valve 204 and a second three-way valve 205, and the inner tube 2032 is communicated with third ports of the first three-way valve 204 and the second three-way valve 205.
The normal temperature water pipe 6 is connected with a second port of the first three-way valve 204, the electromagnetic valve water inlet pipe 7 is connected with a second port of the second three-way valve 205, and the normal temperature water pipe 6, the electromagnetic valve water inlet pipe 7 and the outer pipe 2031 are communicated with each other;
the cold tank water inlet pipe 401 is connected with a third port of the first three-way valve 204, the hot water pipe 10 is connected with a third port of the second three-way valve 205, and the cold tank water inlet pipe 401, the hot water pipe 10 and the inner pipe 2032 are communicated with each other.
Through the structural design, the water path trend of the utility model is as follows: the outside normal temperature water enters from the normal temperature water pipe 6, the water enters the outer pipe 2031 through the second port of the first three-way valve 204, the normal temperature water enters the electromagnetic valve water inlet pipe 7 through the second port of the second three-way valve 205 after passing through the outer pipe 2031 and flows into the hot tank 3 to heat the normal temperature water, the heated hot water enters the third port of the second three-way valve 205 from the hot water pipe 10, the hot water carries out heat exchange through the inner pipe 2032, and the hot water after the heat exchange enters the cold tank water inlet pipe 401 from the third port of the first three-way valve 204 to carry out refrigeration operation.
Normal warm water in the outer tube 2031, the inner tube 2031 leads to hot water, carries out the heat exchange through outer tube 2031 parcel inner tube 2032, has improved the area of contact of normal warm water and inner tube 2031 outer wall greatly to improved heat exchange efficiency, simple structure is reasonable, and the practicality is good, efficient.
After the normal-temperature water and the hot water are subjected to heat exchange, the temperature of the normal-temperature water rises and the temperature of the hot water falls, and the normal-temperature water with the rising temperature enters the hot tank 3 to be heated, so that the preheating function of the normal-temperature water is realized, the heating efficiency of the hot tank 3 is improved, and the energy loss is reduced; the hot water after cooling enters into cold pot 4 and refrigerates, has not only improved cold pot 4's refrigeration efficiency, but also reduced the loss of energy, through this kind of structural design, makes the heat energy in the hot water can effectually be utilized moreover to the utilization efficiency of energy has been improved.
As shown in fig. 5, a four-way pipe 301 communicating with the interior of the hot tank 3 and a temperature sensing probe 304 capable of detecting the temperature of the water in the hot tank 3 are arranged at the top of the hot tank 3, and the temperature of the hot water in the hot tank 3 can be effectively detected at any time by the temperature sensing probe 304, so that the temperature of the hot water is more accurate;
hot-water line 10, hot water outlet pipe 11 and discharge valve 12 are connected respectively to the other three ports of four-way pipe 301, the one end that discharge valve 12 kept away from four-way pipe 301 is connected with blast pipe 13, the upper casing includes upper cover plate 101, upper cover plate 101 upper surface is all worn out to normal temperature water pipe 6, hot water outlet pipe 11, blast pipe 13 and cold water outlet pipe 402, and the user can carry out the water intaking operation through hot water outlet pipe 11 and cold water outlet pipe 402, and hot jar 3 can produce steam when the heating, through setting up discharge valve 12 and discharge pipe 13, can be with steam exhaust casing 1 outside to prevent that steam from getting into inside casing 1, influence the inside components and parts of casing 1.
As shown in fig. 5 and 8, hot jar 3 side is equipped with hot jar water inlet 302, be connected with solenoid valve outlet pipe 9 on the hot jar water inlet 302, solenoid valve inlet tube 7 and solenoid valve outlet pipe 9 pass through solenoid valve 8 and connect, not only can realize solenoid valve inlet tube 7 and solenoid valve outlet pipe 9 intercommunication and block through setting up solenoid valve 8, can also realize the one-way function of intaking, and simple structure is reasonable, and the practicality is good.
As shown in fig. 5, 4 sides of cold jar are equipped with inside water pump inlet tube 403 and the water pump wet return 404 of intercommunication cold jar 4 respectively, water pump inlet tube 403 and water pump wet return 404 pass through water pump 5 and connect, water pump inlet tube 403 is located water pump wet return 404 below, and cold jar 4 is when refrigerating, and the temperature is lower, realizes the inner loop operation of the inside cold water of cold jar 4 through setting up water pump 5, and the effectual inside cold water of cold jar 4 that prevents condenses into ice, the effectual jam that prevents the pipeline, and simple structure is reasonable, and the practicality is good.
As shown in fig. 7, the outer side of the outer tube 2031 is in sealing fit with the first port of the second three-way valve 205, and the outer side of the inner tube 2032 is in sealing fit with the third port of the second three-way valve 205, specifically, a nut 208 is sleeved on the outer side of the outer tube 2031, an annular second gasket 209 is arranged inside the nut 208, the nut 208 is in threaded connection with the first port, the upper and lower surfaces of the second gasket 209 are respectively abutted against the first port and the nut 208, the annular inner side of the second gasket 209 is abutted against the outer side of the outer tube 2031, and when the nut 208 and the first port are mounted, the inner side of the nut 208 is abutted against the annular outer side of the outer tube 2031 and extrudes the second gasket 209, so that the annular surface inside of the second gasket 209 is firmly abutted against the annular outer side of the outer tube 2031, thereby ensuring the sealing effect; third port department threaded connection of two three-way valves 205 has adapter 2041, the inside first sealed 206 that fills up that is equipped with of adapter 2041, the first sealed 206 lower extreme that fills up inserts in the third port of two three-way valves 205, adapter 2041 seals up through first sealed 206 with the third port of two three-way valves 205, the tip of inner tube 2032 inserts first sealed 206 annular inboard that fills up, inner tube 2032 seals up 206 with first sealed and cooperates, realizes sealing connection through setting up first sealed 206 that fills up, simple structure, it is sealed reliable, prevent normal atmospheric temperature water and hot water cluster water.
The heat exchange tube 203 is spirally coiled inside the box body 201, so that the volume of the heat exchange tube 203 is reduced, the heat exchange tube 203 inside the box body 201 has enough length, and the temperature of hot water can be effectively reduced.
The outer tube 2031 and the inner tube 2032 are both metal corrugated tubes, which are beneficial to bending the outer tube 2031 and the inner tube 2032, and ensure the smooth water path.
The side of the box 201 is provided with a fan hole 2011 corresponding to the first fan 207, the first fan 207 is communicated with the inside of the box 201 through the fan hole 2011, and the heat dissipation efficiency of hot water is greatly improved through the arrangement of the fan hole 2011.
The three-way valve 204 and the three-way valve 205 are three-way valves which are the same in part, and are respectively provided with a first port, a second port and a third port.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A cold and hot water exchange device of a kitchen-following cold and hot water machine is characterized in that: including box (201), box (201) upper portion lid has closed apron (202), box (201) inside is equipped with hot-exchange pipe (203), hot-exchange pipe (203) both ends are equipped with the three-way valve, three-way valve upper portion surpasss apron (202) upper surface, box (201) side is equipped with first fan (207), first fan (207) one side and the inside intercommunication of box (201), hot-exchange pipe (203) are including inner tube (2032), inner tube (2032) outside cover is equipped with outer tube (2031), there is the clearance between outer tube (2031) and inner tube (2032), outer tube (2031) and the second port intercommunication of three-way valve, inner tube (2032) and the third port intercommunication of three-way valve, the second port intercommunication of three-way valve has normal atmospheric temperature water, the third port intercommunication of three-way valve has hot water.
2. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 1, wherein: the outer side of the outer pipe (2031) is in sealing fit with a first port of the three-way valve, and the outer side of the inner pipe (2032) is in sealing fit with a third port of the three-way valve.
3. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 2, wherein: outer tube (2031) outside cover is equipped with nut (208), nut (208) inside is equipped with the sealed pad (209) of annular second, nut (208) pass through threaded connection with the first port of three-way valve, the sealed first port and nut (208) of lower surface butt three-way valve respectively on the sealed pad (209) of second, the sealed inboard butt outer tube (2031) outside of (209) annular of second.
4. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 2, wherein: the third port department threaded connection of three-way valve has adapter (2041), adapter (2041) inside is equipped with first sealed pad (206), the third port of three-way valve is inserted to first sealed pad (206) lower extreme in, adapter (2041) is sealed through first sealed pad (206) with the third port of three-way valve, the tip of inner tube (2032) is inserted first sealed pad (206) annular inboard, inner tube (2032) and first sealed pad (206) seal-up cooperation.
5. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 1, wherein: the heat exchange tube (203) is spirally coiled inside the box body (201).
6. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 1, wherein: the outer pipe (2031) and the inner pipe (2032) are both metal corrugated pipes.
7. The hot and cold water exchanging apparatus of a chef-bottom type hot and cold water machine as claimed in claim 1, wherein: the side surface of the box body (201) is provided with a fan hole (2011) corresponding to the first fan (207), and the first fan (207) is communicated with the inside of the box body (201) through the fan hole (2011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929630.2U CN215724274U (en) | 2021-04-30 | 2021-04-30 | Cold and hot water exchange device of under-kitchen cold and hot water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929630.2U CN215724274U (en) | 2021-04-30 | 2021-04-30 | Cold and hot water exchange device of under-kitchen cold and hot water machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215724274U true CN215724274U (en) | 2022-02-01 |
Family
ID=80030467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120929630.2U Active CN215724274U (en) | 2021-04-30 | 2021-04-30 | Cold and hot water exchange device of under-kitchen cold and hot water machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215724274U (en) |
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2021
- 2021-04-30 CN CN202120929630.2U patent/CN215724274U/en active Active
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