Cooling box with small size and water dispenser

Abstract

The utility model provides a cooling box with small volume, which comprises two cover bodies which are jointed with each other to form a box body, a plurality of sealing discs are arranged between the two cover bodies along the axial direction, spiral grooves are arranged on the inner side surfaces of the two cover bodies and the upper and lower side surfaces of each sealing disc along the diameter direction, and the spiral grooves are communicated with the sealing discs. A first water passing opening and a second water passing opening are formed in the head end or the tail end of each spiral groove, every two adjacent spiral grooves can be attached to form a spiral heat exchange flow channel, a spiral heat exchange pipe is arranged in each heat exchange flow channel, every two adjacent heat exchange flow channels are communicated through the corresponding first water passing opening, and a second heat exchange pipe is arranged in the corresponding second water passing opening. Every two adjacent heat exchange pipes communicate with each other through the corresponding second water passing opening. By arranging the spiral heat exchange runners in the diameter direction and arranging the multiple sealing discs, multiple layers of heat exchange runners can be formed, when heat exchange pipelines with the same length are arranged, the size of the needed cooling box is obviously smaller, and occupied space is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cooling device for water dispenser, specifically, a kind of small volume cooling box and water dispenser. BACKGROUND

[0002] At present, in order to get straight drinking water with appropriate temperature, water dispenser generally mixes 100 DEG C hot water with 20 DEG C pure water or filtered water to form warm water between 100 DEG C~20 DEG C. The warm water formed in this way is not completely boiled, but boiled water and pure water or filtered water are mixed together, and pure water or filtered water is prone to bacterial growth after long storage, not clean and sanitary. Or use the cold and hot water convection heat exchange mode to cool hot water, such as the heat exchanger disclosed in patent CN217403207U, by setting spiral heat exchange flow channel along the length direction between main body and shell, heat exchange pipe is arranged in flow channel, to cool hot water, but this structure is large in size, and occupies more space.

[0003] Therefore, the applicant proposes the present application after studying the existing technology. CONTENT OF UTILITY MODEL

[0004] The utility model provides a kind of small volume cooling box and water dispenser, to improve at least one of the above technical problems.

[0005] To solve the above technical problems, the utility model provides a kind of small volume cooling box, including two mutually engaging and forming box body cover, several sealing discs are arranged along the axial direction between two cover, the inside surface of each cover and the upper and lower two side surfaces of each sealing disc are all set with spiral groove along diameter direction, the first water pass and the second water pass are set in the head or tail end of the spiral groove, two spiral grooves close to each other can be attached to form spiral heat exchange flow channel, two adjacent heat exchange flow channels are communicated by the first water pass, spiral heat exchange pipe is arranged in each heat exchange flow channel, and two adjacent heat exchange pipes are communicated by the second water pass.

[0006] As further optimization, the first water pass of two cover is respectively connected with cold water inlet pipe and cold water outlet pipe, and the second water pass is respectively connected with hot water inlet pipe and hot water outlet pipe.

[0007] As further optimization, the hot water inlet pipe and the cold water outlet pipe are arranged on the same cover, so that the flow direction of cold water flow and hot water flow in the cooling box is opposite

[0008] As further optimization, the inner side of each cover body and the upper and lower sides of each sealing disc are provided with annular grooves outside the spiral grooves, and two annular grooves close to each other can be attached to form a sealed cavity, and a sealing ring is arranged in the sealed cavity.

[0009] As further optimization, the sealing disc and the sealing ring are made of silica gel.

[0010] As further optimization, the heat exchange pipe is a stainless steel pipe.

[0011] As further optimization, the sealing disc is provided with three.

[0012] The application further provides a water dispenser, which comprises the cooling box.

[0013] By adopting the above technical scheme, the following technical effects can be achieved.

[0014] The cooling box with small volume comprises two cover bodies which are connected to form a box body, a plurality of sealing discs are arranged between the two cover bodies in the axial direction, spiral grooves are arranged on the inner side of the two cover bodies and the upper and lower sides of each sealing disc in the diameter direction, first and second water passing openings are arranged at the first end or the last end of the spiral grooves, two spiral grooves close to each other can be attached to form spiral heat exchange flow channels, spiral heat exchange pipes are arranged in each heat exchange flow channel, and adjacent two heat exchange flow channels are communicated through the first water passing opening, and adjacent two heat exchange pipes are communicated through the second water passing opening. By arranging the spiral heat exchange flow channels in the diameter direction and arranging the plurality of sealing discs, the multi-layer heat exchange flow channels can be formed, and when the heat exchange pipes with the same length are arranged, the required cooling box has a smaller volume and occupies less space. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figure 1 is a structural schematic view of a cooling box with small volume of the present application;

[0017] Figure 2 is an exploded structural schematic view of a cooling box with small volume of the present application;

[0018] Figure 3 and Figure 4is a sectional view of the cooling box with small volume of the utility model;

[0019] Figure 5 is a structural schematic view of the cover body;

[0020] Figure 6 is a structural schematic view of the sealing disc with the water outlet arranged at the head end of the spiral groove;

[0021] Figure 7 is a structural schematic view of the sealing disc with the water outlet arranged at the tail end of the spiral groove;

[0022] Marked in the figure: 1-cover body; 2-sealing disc; 3-spiral groove; 31-first water passage; 32-second water passage; 33-heat exchange flow channel; 34-heat exchange pipe; 35-cold water inlet pipe; 36-cold water outlet pipe; 37-hot water inlet pipe; 38-hot water outlet pipe; 4-annular groove; 41-sealing cavity; 42-sealing ring. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the protection scope of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0024] EMBODIMENT

[0025] As shown in the figure, Figures 1 to 7 the embodiments of the utility model provide a kind of cooling box with small volume, including two mutually engaging cover body 1 forming box body, several sealing discs 2 are arranged along the axial direction between two cover body 1, the inside surface of each cover body 1 and the upper and lower two side surfaces of each sealing disc 2 are all opened with spiral groove 3 along diameter direction, the head end or tail end of spiral groove is opened with first water passage 31 and second water passage 32, two spiral grooves 3 close to each other can be attached to form spiral heat exchange flow channel 33, two adjacent heat exchange flow channels 33 are communicated by first water passage 31, each heat exchange flow channel 33 is equipped with spiral heat exchange pipe 34, and two adjacent heat exchange pipes 34 are communicated by second water passage 32.

[0026] In the embodiment, the heat exchange pipe 34 uses a stainless steel pipe with high heat transfer efficiency, the sealing disc 2 uses a silica gel sealing disc, and three sealing discs are arranged, so that four layers of heat exchange channels 33 are formed in the box body, boiled hot water flows in the heat exchange pipe 34, and 20 DEG C warm water flows outside the pipe, the hot water and the cold water are separated by the heat exchange pipe, the hot water is cooled by the convection heat exchange, and the clean and sanitary warm boiled water suitable for drinking is obtained; by the spiral heat exchange channels along the diameter direction and the multi-layer structure mode, the heat exchange pipe with a length of 5.6 meters can be loaded in the cooling box with a size of 160mm*160mm*66mm, the hot water is fully cooled, and the volume of the cooling box is small, and the space occupation is reduced.

[0027] Referring to Figure 1 and Figure 6 As shown in the figure, the first water pass 31 of the two cover bodies 1 is respectively connected with a cold water inlet pipe 35 and a cold water outlet pipe 36, and the second water pass 32 is respectively connected with a hot water inlet pipe 37 and a hot water outlet pipe 38. The hot water inlet pipe 37 and the cold water outlet pipe 36 are arranged on the same cover body 1, so that the flow directions of the cold water and the hot water in the cooling box are opposite, and the efficiency of the convection heat exchange is improved.

[0028] Referring to Figures 4 to 7 As shown in the figure, the inner side of each cover body 1 and the upper and lower two sides of each sealing disc 2 are provided with annular grooves 4 outside the spiral grooves 3, the two annular grooves close to each other can be attached to form an annular sealing cavity 41, and a sealing ring 42 is arranged in the sealing cavity 41, and the sealing ring 42 preferably uses a silica gel sealing ring, so as to seal between each layer of heat exchange channels.

[0029] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A compact cooling box comprising two cover bodies which are joined to each other to form a box body, characterized in that, Axially between the two covers, a plurality of sealing discs are arranged, the inner side of each cover and the upper and lower sides of each sealing disc are provided with helical grooves in the diametrical direction, the leading end or the trailing end of the helical groove is provided with a first water passage and a second water passage, two helical grooves close to each other can be fitted to form a helical heat exchange flow channel, two adjacent heat exchange flow channels are communicated through the first water passage, a helical heat exchange tube is arranged in each heat exchange flow channel, and two adjacent heat exchange tubes are communicated through the second water passage.

2. A compact cooling box according to claim 1, characterized in that The first water passages of the two covers are respectively connected with cold water inlet pipes and cold water outlet pipes, and the second water passages are respectively connected with hot water inlet pipes and hot water outlet pipes.

3. A compact cooling box according to claim 2, characterized in that The hot water inlet pipes and the cold water outlet pipes are arranged on the same cover, so that the flow directions of the cold water and the hot water in the cooling box are opposite.

4. A compact cooling box according to claim 1, characterized in that The inner side of each cover and the upper and lower sides of each sealing disc are provided with annular grooves outside the helical grooves, two annular grooves close to each other can be fitted to form a sealing cavity, and a sealing ring is arranged in the sealing cavity.

5. A compact cooling box according to claim 1, characterized in that The sealing disc and the sealing ring are both made of silica gel.

6. A compact cooling box according to claim 1, characterized in that The heat exchange tube is a stainless steel tube.

7. A compact cooling box according to claim 1, characterized in that The sealing disc is provided with three.

8. A water dispenser, characterized in that A cooling box comprising any one of claims 1-7.

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