CN219895371U - Liquid heating device - Google Patents

Abstract

The utility model relates to the technical field of household appliances, and provides a liquid heating device, which comprises: the kettle comprises a kettle body, a shell and a water outlet pipe, wherein the kettle body is provided with a water storage cavity; the shell is positioned at one side of the kettle body, and a cooling cavity is formed in the shell; the cooling section is arranged between the inlet and the outlet of the water outlet pipe, the cooling section is positioned in the cooling cavity, the inlet is higher than the outlet, the inlet is suitable for being communicated with the water storage cavity, the cooling section comprises a first descending section, an ascending section and a second descending section which are sequentially communicated, one end of the ascending section is connected to the bottom of the first descending section, and the other end of the ascending section is connected to the top of the second descending section. The cooling cavity can provide cold energy for liquid in the cooling section, and the liquid in the water storage cavity can enter the cooling section for cooling, so that the liquid in the cooling section is reduced to a proper temperature, and the cooling requirement of a user is met. The inlet is higher than the outlet, water in the cooling section can be discharged by gravity, and the cooling section descends in the cooling cavity, ascends and descends again, so that the heat exchange area can be increased.

Description

Liquid heating device

Technical Field

The utility model relates to the technical field of household appliances, in particular to a liquid heating device.

Background

The electric kettle can quickly boil water, but the boiled hot water needs a long time to cool down. When a user needs to drink water, warm water suitable for drinking cannot be obtained quickly. If the ambient temperature is 20 ℃, the temperature of 150 milliliters of boiled water is reduced to 40 ℃ and about 15 minutes are needed.

In the related art, an electric kettle is taken as an example, the electric kettle is used for heating liquid, and in some cases, the electric kettle is provided with a cooling device for cooling the heated liquid flowing out of the kettle body, and the cooling device is provided with a liquid inlet and a liquid outlet, wherein the liquid inlet is communicated with the liquid outlet. The heated liquid is cooled by the cooling device, if enough cooling capacity is needed to be provided, the volume of the cooling device is larger, if the volume of the cooling device is reduced, the cooling capacity provided by the cooling device is reduced, the water outlet temperature of the cooling device is difficult to meet the requirements of users, and the volume of the cooling device and the cooling requirements are difficult to be compatible.

Disclosure of Invention

The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the liquid heating device provided by the utility model has the advantages of good cooling effect and simple structure, and is beneficial to reducing the volume of the liquid heating device.

The utility model also provides an electric kettle.

According to an embodiment of the present utility model, a liquid heating apparatus includes:

a kettle body, which is provided with a water storage cavity;

the shell is positioned at one side of the kettle body, and a cooling cavity is formed in the shell;

the cooling section is located in the cooling cavity, the inlet is higher than the outlet, the inlet is suitable for being communicated with the water storage cavity, the cooling section comprises a first descending section, a ascending section and a second descending section which are sequentially communicated, one end of the ascending section is connected to the bottom of the first descending section, and the other end of the ascending section is connected to the top of the second descending section.

According to the embodiment of the utility model, the water storage cavity is formed in the kettle body of the liquid heating device, and when the liquid heating device is provided with the heating element, the heating element can be used for boiling water in the water storage cavity. The casing of liquid heating device is located one side of the kettle body, there is the cooling chamber that is used for cooling liquid in the casing, the cooling zone of outlet pipe is located the cooling chamber, make the liquid in the outlet pipe cool down in the cooling zone, the import and the water storage chamber intercommunication of outlet pipe, the liquid in water storage chamber accessible import flows into the cooling zone, the cooling zone includes the first decline section that communicates in order, rising section and second decline section, liquid gets into first decline section, and flow downwards in first decline section, then get into the rising section from the bottom of first decline section, liquid flows upwards in the rising section, then get into the second decline section from the rising section, liquid flows downwards in the second decline section, the liquid after the cooling flows out the cooling section through the export, the flow path of liquid in the cooling section is descending before rising again, such flow path, through the heat exchange time of extension liquid in the cooling section, can make the liquid reduce to suitable temperature in the cooling section, the cooling effect of cooling section is good, can satisfy user's cold water demand. The inlet is higher than the outlet, water in the cooling section can be discharged, and water in the water outlet pipe can be emptied, so that the water discharging effect of the water outlet pipe is effectively ensured.

According to one embodiment of the utility model, the cooling section comprises a helical coil section which is helical about a predetermined axis which extends in a longitudinal or transverse direction.

According to one embodiment of the utility model, the helical coil section comprises a first coil section and a second coil section in communication, the second coil section being located outside the first coil section, the second coil section spiraling down the upper end of the first coil section or the second coil section spiraling up the lower end of the first coil section.

According to one embodiment of the utility model, a first preset distance is arranged between the first coil section and the second coil section, a second preset distance is arranged between two adjacent tube sections of the first coil section, a third preset distance is arranged between two adjacent tube sections of the second coil section, and the first preset distance, the second preset distance and the third preset distance are all greater than or equal to 0.1 millimeter and less than or equal to 20 millimeters.

According to one embodiment of the utility model, the rising section and the second falling section comprise a helical coil section, which is located outside the first falling section, which extends in a straight longitudinal direction, the upper end of which is configured as an inlet;

and/or, the ascending section comprises a spiral coil section, a second descending section is arranged on the outer side of the spiral coil section, and the lower end of the second descending section is configured as an outlet.

According to one embodiment of the utility model, at least one of the kettle body and the housing is connected with a heating element, the housing being configured with an insulating cavity, the insulating cavity being located between the cooling cavity and the heating element.

According to one embodiment of the utility model, the kettle body is connected with a first coupler, the kettle body is provided with a liquid outlet, the water outlet pipe is suitable for penetrating through the liquid outlet and is in sealing connection with the wall surface of the liquid outlet, and the first coupler is positioned on the outer ring of the liquid outlet.

According to one embodiment of the utility model, the housing is connected to a second coupler, which is adapted to be in conductive contact with the first coupler, and in which a part of the pipe section of the outlet pipe is arranged.

According to one embodiment of the utility model, the kettle body is provided with the water sealing piece for opening and closing the liquid outlet, the first driving piece is arranged in the shell and connected with the water inlet end of the water outlet pipe, and the first driving piece is used for driving the water inlet end to rise to be abutted against the water sealing piece and driving the water sealing piece to move to release the sealing of the liquid outlet through the water inlet end so as to enable the inlet to be communicated with the water storage cavity.

According to one embodiment of the utility model, a supporting part is connected below the shell, and a water receiving space for accommodating the water taking container is formed between the supporting part and the shell.

In addition to the technical problems, features of the structural solutions and advantages brought by the technical solutions with these technical features described above, other technical features of the present utility model and advantages brought by these technical features will be further described with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a liquid heating apparatus according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a liquid heating apparatus provided by an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a liquid heating apparatus provided by an embodiment of the present utility model;

FIG. 4 is an enlarged view of the portion b of FIG. 3, wherein the water seal seals the liquid outlet and the inlet is not in communication with the water storage chamber;

FIG. 5 is consistent with the structure of FIG. 4, and FIG. 5 illustrates that the water seal releases the closure of the liquid outlet, wherein the inlet is communicated with the water storage cavity;

FIG. 6 is an enlarged view at c in FIG. 3;

FIG. 7 is an enlarged view of FIG. 3 at d;

FIG. 8 is a schematic structural view of a first water outlet pipe according to an embodiment of the present utility model;

FIG. 9 is a top view of a first outlet pipe according to an embodiment of the present utility model;

FIG. 10 is a cross-sectional view taken along the direction D-D of FIG. 9;

FIG. 11 is a schematic structural view of a second water outlet pipe according to an embodiment of the present utility model;

FIG. 12 is a top view of a second outlet pipe according to an embodiment of the present utility model;

FIG. 13 is a cross-sectional view taken along the direction F-F of FIG. 12;

fig. 14 is a sectional view taken along G-G of fig. 12.

Reference numerals:

100. a kettle body; 110. a water storage chamber; 120. a heating member; 130. a first coupler; 140. a liquid outlet; 150. a water seal; 160. a kettle opening; 170. a liquid outlet channel;

200. a housing; 210. a cooling chamber; 211. a cooling medium; 220. a heat insulating chamber; 230. a second coupler; 240. a first driving member; 250. a support part; 260. a mounting port;

300. a water outlet pipe; 310. an inlet; 320. an outlet; 330. a cooling section; 331. a first descent segment; 3311. a first limit part; 332. a rising section; 333. a second descent segment; 3331. a second limit part; 334. a first coil section; 335. a second coil section; 341. a first sealing part; 342. and a second sealing part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Before explaining the liquid heating apparatus of the embodiment of the present utility model, an application scenario thereof will be described. The liquid heating device can heat liquid in the kettle body, the shell is positioned at one side of the kettle body, the cooling cavity is arranged in the shell, and the liquid heating device can cool the liquid in the shell. The liquid heating device can be an electric kettle, a milk pot, a teapot, a coffee machine and the like, and when the kettle body is a kettle body of the electric kettle, the upper part of the shell is detachably connected with the kettle body of the electric kettle. Electric kettles include hot water kettles (water boiling), health preserving kettles, constant temperature kettles, boiling kettles and the like. The following embodiments will be described with reference to fig. 1 to 7 by taking a kettle body as an example of an electric kettle.

Referring to fig. 1 and 7, the present utility model provides a liquid heating apparatus according to an embodiment, which includes a kettle body 100, a housing 200, and a water outlet pipe 300, wherein the kettle body 100 is constructed with a water storage chamber 110; the shell 200 is positioned at one side of the kettle body 100, and a cooling cavity 210 is formed in the shell 200; a cooling section 330 is arranged between the inlet 310 and the outlet 320 of the water outlet pipe 300, the cooling section 330 is positioned in the cooling cavity 210, the inlet 310 is higher than the outlet 320, the cooling section 330 comprises a first descending section 331, an ascending section 332 and a second descending section 333 which are sequentially communicated, one end of the ascending section 332 is connected to the bottom of the first descending section 331, the other end of the ascending section 332 is connected to the top of the second descending section 333, and the other end of the ascending section 332 is higher than one end of the ascending section 332.

The water storage cavity 110 is constructed in the kettle body 100 of the liquid heating apparatus, and when the liquid heating apparatus is an electric kettle, heated liquid can be stored in the water storage cavity 110. The shell 200 of the liquid heating device is positioned at one side of the kettle body 100, a cooling cavity 210 for cooling hot liquid is arranged in the shell 200, a cooling section 330 of the water outlet pipe 300 is positioned in the cooling cavity 210, an inlet 310 of the water outlet pipe 300 is communicated with the water storage cavity 110, the liquid of the water storage cavity 110 can flow into the cooling section 330 through the inlet 310, the cooling section 330 comprises a first descending section 331, an ascending section 332 and a second descending section 333 which are sequentially communicated, the liquid enters the first descending section 331 and flows downwards in the first descending section 331, then enters the ascending section 332 from the bottom of the first descending section 331, water flows upwards in the ascending section 332 and then enters the second descending section 333, the water flows downwards in the second descending section 333, the cooled liquid flows out of the cooling section 330 through an outlet 320, and the liquid can exchange heat and cool in the cooling section 330, so that the temperature of the liquid is reduced to a proper temperature. It can be understood that the flow path of the liquid in the cooling section 330 is that the liquid descends first and then ascends and then descends, so that gravity and flow resistance are needed to be overcome when the liquid flows upwards, the heat exchange time of the liquid in the cooling section 330 can be prolonged, the cooling effect of the cooling section 330 is good, and the water taking requirement of a user can be met. The inlet 310 is higher than the outlet 320, water in the cooling section 330 can be discharged, and water in the water outlet pipe 300 can be emptied, so that the water discharging effect of the water outlet pipe 300 is effectively ensured. The shell 200 is positioned at one side of the kettle body 100, the kettle body 100 can be positioned above, left side, right side and the like of the shell 200, and the relative positions of the kettle body 100 and the shell 200 are flexible.

The liquid may include hot water, which may include water that has just been boiled, or hot water that is higher than a set temperature, which is understood to be a temperature of water that a user wants to obtain. The liquid may also comprise other liquids, such as milk at a high temperature when the liquid heating device is a milk boiler and hot tea (a mixture of water and tea leaves) when the liquid heating device is a teapot.

It is understood that the cooling medium 211 is disposed in the cooling chamber 210, and the cooling medium 211 supplies cooling energy to the cooling section 330.

As shown in fig. 3, the cooling section 330 is disposed through the cooling medium 211, and the cooling section 330 is in sufficient contact with the cooling medium 211.

A cooling medium 211 is disposed within the cooling cavity 210, and it is understood that the cooling medium 211 includes at least one of water and a phase change energy storage material. The cooling medium 211 may include a phase-change energy storage material, and the cooling medium 211 may have a certain fluidity or be a solid, where the phase-change energy storage material has high latent heat, and the phase-change energy storage material with a large thermal conductivity is selected as much as possible, so that the heat of the hot water in the cooling section 330 can be absorbed, and the hot water can be cooled to a required suitable temperature. The cooling medium 211 may further include water, which has good fluidity and strong thermal conductivity, so that the cooling medium 211 can fully absorb heat, and is nontoxic and harmless, simple to obtain and low in cost. The phase change energy storage material may include at least one of sodium sulfate decahydrate and sodium carbonate decahydrate, which has a higher latent heat relative to water and a smaller temperature change of the phase change energy storage material with the same amount of heat absorbed. The cooling medium 211 may also be a mixture of water and at least one of sodium sulfate decahydrate and sodium carbonate decahydrate, and the cooling medium 211 is not only high in latent heat but also optimized in fluidity and thermal conductivity.

When the cooling medium 211 includes water and a phase-change energy storage material, the phase-change energy storage material is mixed in the water, the cooling medium 211 is at normal temperature (e.g. 20 ℃), and the phase-change energy storage material is particulate matter mixed in the water.

It can be further appreciated that a cooling device is disposed in the cooling cavity 210, where the cooling device may include a semiconductor refrigeration piece, and the cold end of the semiconductor refrigeration piece faces the cooling section 330, and the semiconductor refrigeration piece can absorb heat of the cooling section 330, so as to implement heat exchange and cooling, and enable the liquid to be cooled to a required suitable temperature.

It should be noted that, the cooling source in the cooling cavity 210 may be provided with a cooling medium 211, may be provided with a semiconductor refrigeration member, and may be further provided with the cooling medium 211 and the semiconductor refrigeration member, so that the cooling effect of the cover assembly can be effectively ensured by simultaneously providing the cooling medium 211 and the semiconductor refrigeration member.

At least one of the kettle body 100 and the shell 200 is connected with a heating element 120, the heating element 120 is used for heating liquid in the water storage cavity 110, a heat insulation cavity 220 is arranged between the heating element 120 and the cooling cavity 210, and the heat insulation cavity 220 is also used for separating the water storage cavity 110 and the cooling cavity 210. Referring to fig. 3, a heating member 120 is coupled to the kettle body 100. The housing 200 is configured with an insulating cavity 220, the insulating cavity 220 being located between the cooling cavity 210 and the heating member 120. The heating element 120 can heat the liquid in the water storage cavity 110, the temperature of the liquid is increased, and the requirements of disinfection and sterilization are met. The heat insulation cavity 220 is located between the cooling cavity 210 and the heating element 120, the heating element 120 is separated from the cooling cavity 210 by the heat insulation cavity 220, the temperature of the cooling cavity 210 is prevented from being influenced by the heating element 120 in the heating process, for example, the cooling medium 211 is prevented from absorbing heat generated by the heating element 120, the cooling effect of the cooling cavity 210 is prevented from being influenced, liquid with high temperature can enter the water outlet pipe to exchange heat with the cooling medium 211 in the cooling cavity 210 for cooling, the temperature of the liquid can be reduced to a proper temperature, and the drinking requirement of a user is met. Of course, the heating element 120 may also be connected to the housing 200, and the specific position of the heating element 120 is not limited herein, so long as the heating element 120 can heat the liquid in the water storage cavity 110.

Referring to fig. 1 and 2, the upper part of the housing 200 is detachably connected with the kettle body 100, so that not only is liquid convenient to be added into the water storage cavity 110 of the kettle body 100, but also the kettle body 100 is convenient to be cleaned. The kettle body 100 can be provided with a kettle opening 160 for pouring out hot liquid, when a user needs to take the hot liquid, the kettle body 100 can be disassembled, so that the hot liquid can be poured out of the kettle body 100 through the kettle opening 160, and the user can conveniently take the hot liquid.

Referring to fig. 4 and 5, the kettle body 100 is connected with a first coupler 130, the kettle body is connected with a heating member 120, the first coupler 130 is electrically connected with the heating member 120, the housing 200 is connected with a second coupler 230, the first coupler 130 and the second coupler 230 are suitable for electrically conductive connection, and can be electrically connected with a power supply through the second coupler 230.

Unlike the above embodiment, the case 200 may be connected to the heating element 120, and the first coupler 130 is electrically connected to the power supply, and the first coupler 130 is electrically connected to the second coupler 230, thereby realizing electric heating.

In some cases, the kettle body 100 is provided with a liquid outlet 140, the water outlet pipe 300 is adapted to be disposed through the liquid outlet 140 and is connected with a wall surface of the liquid outlet 140 in a sealing manner, and the first coupler 130 is located at an outer ring of the liquid outlet 140. The first coupler 130 is located on the outer ring of the liquid outlet 140, the water outlet pipe 300 penetrates through the first coupler 130 and is suitable for being connected with or disconnected from the liquid outlet 140, and the installation of the water outlet pipe 300 can be guided and limited through the first coupler 130, so that the heating element 120 is not affected. That is, the water outlet pipe 300 can directly communicate with the water storage chamber 110 through the first coupler 130, and it is understood that the water outlet pipe 300 does not need to pass through the heating member 120, and the heating effect of the heating member 120 is good. The water outlet pipe 300 penetrates through the liquid outlet 140 and is in sealing connection with the wall surface of the liquid outlet 140, so that the liquid in the water storage cavity 110 can flow into the water outlet pipe 300 to realize cooling.

Referring to fig. 4 and 5, when the housing 200 is connected with the second coupler 230, the second coupler 230 is adapted to be in conductive contact with the first coupler 130, and a portion of the pipe section of the water outlet pipe 300 is inserted into the second coupler 230. The second coupler 230 is internally provided with a part of pipe section of the water outlet pipe 300 in a penetrating way, the second coupler 230 can protect the part of pipe section, the second coupler 230 can position the installation position of the water outlet pipe 300, and when the water outlet pipe 300 needs to move relative to the second coupler 230, the second coupler 230 can also play a role in guiding and limiting the water outlet pipe 300. Correspondingly, the first coupler 130 is located on the outer ring of the liquid outlet 140, the water outlet 300 can be arranged on the first coupler 130 and the liquid outlet 140 in a penetrating manner when the first coupler 130 is matched with the second coupler 230, multiple limit matching is achieved among the first coupler 130, the second coupler 230 and the water outlet 300, and matching between the water outlet 300 and the liquid outlet 140 is good.

Referring to fig. 4 and 5, the kettle body 100 is provided with a water sealing member 150 for opening and closing the liquid outlet 140, and in case that the liquid outlet 140 is not required to be discharged, the water sealing member 150 can be used to seal the liquid outlet 140, at this time, the kettle body 100 is detachably connected to the housing 200, the kettle body 100 can be removed from the housing 200, and water can be poured or added from the water outlet 160 after the kettle body 100 is removed, or the kettle body 100 can be cleaned.

The casing 200 is provided with a first driving member 240, the first driving member 240 is connected to the water inlet end of the water outlet pipe 300, and the first driving member 240 is used for driving the water inlet end to rise to abut against the water sealing member 150 and driving the water sealing member 150 to move to release the sealing of the liquid outlet 140 through the water inlet end, so that the inlet 310 is communicated with the water storage cavity 110. It can be understood that the kettle body 100 is internally provided with the liquid outlet channel 170, when the kettle body 100 is not used for liquid cooling, the water sealing member 150 is in a state of sealing the liquid outlet 140 (refer to fig. 4), the liquid outlet channel 170 is sealed, the liquid outlet 140 is sealed, the liquid in the water storage cavity 110 cannot flow out from the liquid outlet 140, and the sealing property of the liquid outlet 140 is good; when the hot liquid needs to be cooled by the kettle body 100, the first driving member 240 can drive the water inlet end of the water outlet pipe 300 to rise to the water sealing member 150 to release the sealing of the liquid outlet 140 (refer to fig. 5), at this time, the inlet 310 of the water outlet pipe 300 is communicated with the water storage cavity 110, and the liquid in the water storage cavity 110 enters the water outlet pipe 300 for cooling.

The first driving piece can be a solenoid valve, a motor, an air cylinder, a manually lifted structure and the like, can be used for driving the water outlet pipe to move up and down, and is simple in structure and convenient to operate.

In other cases, the kettle body 100 is connected to the housing 200, the water outlet 300 can be automatically inserted into the liquid outlet 140, the water outlet 300 is kept sealed with the side wall of the liquid outlet 140, and whether the water outlet 300 is out or not is regulated by a switch in the water outlet 300.

Referring to fig. 1 and 2, a supporting part 250 is connected to the lower side of the case 200, a water receiving space for receiving a water taking container is formed between the supporting part 250 and the case 200, and the supporting part 250 plays a supporting role in the lower side of the case 200, facilitating a user to take water from at least one side of the case 200.

The housing 200 may be provided with a mounting port 260 opened downward, and the water outlet pipe 300 may be connected to the mounting port 260 such that the outlet 320 discharges the liquid through the mounting port 260, and the mounting port 260 is positioned in a forward position of the housing 200. The support portion 250 can stably support the housing 200, ensures that the user can stably use the housing 200, and when the user uses the liquid heating device, can put the water taking container (such as a cup) into the water receiving space, and the mounting port 260 is located at a position in front of the housing 200, so that the user can observe the position of the mounting port 260, and can stably receive liquid, and user experience is optimized.

The installation position for installing the kettle body 100 is arranged above the shell 200, and referring to fig. 3, when the kettle body 100 is the kettle body 100 of the electric kettle, the inlet 310 is suitable for being communicated with the liquid outlet 140 of the kettle body 100, the liquid outlet 140 is positioned at the bottom of the kettle body 100, the inlet 310 of the water outlet 300 is communicated with the liquid outlet 140, so that the liquid in the water storage cavity 110 in the kettle body 100 can enter the water outlet 300 for heat exchange and temperature reduction, and the liquid in the water storage cavity 110 can be discharged.

Next, the structure of the water outlet pipe 300 will be described with reference to fig. 8 to 14.

Referring to fig. 8 to 10, one end of the rising section 332 is connected to the bottom of the first falling section 331, and the other end of the rising section 332 is connected to the top of the second falling section 333. The other end of the rising section 332 may be higher than the one end of the rising section 332, and the liquid entering the rising section 332 from the one end of the rising section 332 may flow upwards.

Referring to fig. 8 to 14, the cooling section 330 includes a spiral coil section which spirals around a preset axis extending in a longitudinal or transverse direction, the cooling section 330 is spirally wound, the length of the cooling section 330 is increased, the flow path of the liquid is increased, the time of heat exchange is longer, and the cooling effect of the cooling device is ensured.

It will be appreciated that the helical coil sections need to be wound around a line, the predetermined axis, when wound. The preset axis may extend longitudinally, for example, the rising section 332 includes a spiral coil section that spirals around the preset axis, and referring to fig. 8 to 10, the first falling section 331 and the second falling section 333 extend linearly in the longitudinal direction, and the rising section 332 includes a spiral coil section that spirals around the preset axis, that is, the rising section 332 is wound into a longitudinally extending spiral coil section, so that not only the liquid needs to flow against gravity, but also the heat exchange time is prolonged, and the length of the rising section 332 is increased within a set height, so that the heat exchange time is longer, and the cooling device has a good heat exchange effect.

Taking the example in which the rising section 332 and the second falling section 333 include a spiral coil section that spirals around a preset axis, as shown with reference to fig. 13, the first falling section 331 extends in a straight line in the longitudinal direction, and the rising section 332 and the second falling section 333 include a spiral coil section that spirals around a preset axis, that is, the rising section 332 and the second falling section 333 are wound into a spiral coil section that extends in the longitudinal direction, the heat transfer capability can be optimized.

The longitudinal direction may be a vertical direction or a direction forming a certain angle with the vertical direction. That is, the preset axial direction extends longitudinally, and it is understood that the preset axial direction is a vertical line, or a line approaching the vertical direction, which may be slightly leftward (or slightly rightward inclined) with respect to the vertical direction.

Of course, the preset axis may also extend in a transverse direction (not shown in the drawings, such as extending in a front-rear direction or extending in a left-right direction), and the spiral tube section is wound into a tube extending in the transverse direction. That is, the preset axis is not limited to be completely vertical or completely horizontal, and may form an angle with the vertical direction or the horizontal direction.

For example, the preset axis may have an included angle with the vertical of 30 ° or 45 ° or less. Referring to fig. 10 and 13, the included angle between the preset axis and the vertical direction is 0 °, and the preset axis is a vertical line, and the cooling section 330 includes a spiral coil section that spirals around the preset axis, so that the length of the cooling section 330 in the set height can be increased, and the cooling effect of the cooling device can be optimized.

The spiral coil pipe section comprises a first coil pipe section 334 and a second coil pipe section 335 which are communicated, the second coil pipe section 335 is located at the outer side of the first coil pipe section 334, the second coil pipe section 335 spirals downwards along the upper end of the first coil pipe section 334, and referring to fig. 8 to 14, it is to be noted that the first coil pipe section 334 can be understood as an ascending section 332, the second coil pipe section 335 can be understood as a second descending section 333, it is to be understood that the ascending section 332 is located at the inner side of the second descending section 333, a layer of pipe section is additionally arranged at the outer side of the ascending section 332, liquid entering the ascending section 332 enters the second descending section 333 after being subjected to heat exchange and temperature reduction, the liquid flowing through the plurality of coil pipe sections can be effectively cooled to a set temperature, and the cooling effect of the cooling device is good. The set temperature is understood to be the temperature of the cooled liquid required by the user.

It should be noted that the second coil section 335 may spiral downward along the upper end of the first coil section 334, where the first coil section 334 may be understood as the ascending section 332 and the second coil section 335 may be understood as the second descending section 333; it is also possible that the second coil section 335 spirals up along the lower end of the first coil section 334, where the first coil section 334 may be understood as a first drop section 331 and the second coil section 335 as an rise section 332. The second coil section 335 may be located outside the first coil section 334, and the specific winding manner of the second coil section 335 may be selected according to actual requirements.

A third coil section may be further wound around the outer side of the second coil section 335, and the second coil section 335 is in communication with the third coil section. A fourth coil pipe section can be wound on the outer side of the third coil pipe section, and the third coil pipe section is communicated with the fourth coil pipe section. Similarly, the helical coil section may be wound two turns, for example: the first coil section 334 and the second coil section 335 may also be wound more than two times, for example: the number of turns of the coil sections wound is not limited herein, and may be set according to actual needs.

When the ascending section 332 and the second descending section 333 include a spiral coil section, the spiral coil section is located at the outer side of the first descending section 331, and the first descending section 331 extends along a longitudinal straight line, as shown in fig. 13, the ascending section 332 is wound around the outer side of the first descending section 331, so that the height of the cooling section 330 can be reduced, and the height of the cooling device can be reduced. The upper end of the first drop section 331 is configured as an inlet 310, it is understood that the inlet 310 is adapted to communicate with the water storage cavity 110 of the kettle body 100, and the liquid in the water storage cavity 110 can enter the first drop section 331 through the inlet 310, the rising section 332 is connected to the bottom of the first drop part, and the first drop section 331 extends along a longitudinal straight line, so that the liquid from the water storage cavity 110 can quickly flow into the rising section 332 for cooling and heat exchange. At this time, the second descending section 333 may be located outside the ascending section 332, as shown in fig. 13, the second descending section 333 may extend along a longitudinal line outside the ascending section 332, so that the volume occupied by the cooling section 330 can be reduced, and the cooling device has a small volume and low cost.

The second descending section 333 may be located outside the ascending section 332, and the second descending section 333 may also be located inside the ascending section 332, and the specific arrangement of the second descending section 333 is not limited herein.

When the ascending section 332 includes a spiral pipe section, the outer side of the spiral pipe section is provided with a second descending section 333, the second descending section 333 may be a straight pipe or an elbow pipe extending from top to bottom, but is not limited to a coil pipe, the lower end of the second descending section 333 is configured as the outlet 320, and the cooled liquid may directly flow out of the water outlet pipe 300 from the lower end of the second descending section 333, so as to facilitate the user to take in the liquid.

Referring to fig. 11, the rising section 332 and the second falling section 333 include a spiral coil section located outside the first falling section 331, the first falling section 331 extending straight in a longitudinal direction, an upper end of the first falling section 331 being configured as an inlet 310; the second descending section 333 is arranged on the outer side of the ascending section 332, the lower end of the second descending section 333 is configured as the outlet 320, the length of the cooling section 330 can be increased, the flow path of liquid is optimized, the heat exchange time is optimized, and the heat exchange effect is good. Of course, the first drop leg 331 may also include a helical coil section, as may be specifically selected as desired. A first preset distance is arranged between the first coil section 334 and the second coil section 335, a second preset distance is arranged between two adjacent tube sections of the first coil section 334, a third preset distance is arranged between two adjacent tube sections of the second coil section 335, and the first preset distance, the second preset distance and the third preset distance are all greater than or equal to 0.1 millimeter and less than or equal to 20 millimeters. The periphery of the pipe wall of the cooling section 330 is fully filled with cooling capacity as much as possible, so that the cooling section 330 is fully contacted with the cooling medium 211, the mutual contact between the cooling sections 330 is avoided, and the cooling effect of the cooling section 330 is ensured.

The first preset distance is set between the first coil pipe section 334 and the second coil pipe section 335, as shown in fig. 13 and 14, the second descending section 333 is wound on the outer side of the first coil pipe section 334, the first preset distance is set between the first coil pipe section 334 and the second coil pipe section 335, and the first preset distance is greater than or equal to 0.1 mm and less than or equal to 20 mm, that is, a gap greater than or equal to 0.1 mm and less than or equal to 20 mm is left between the first coil pipe section 334 and the second coil pipe section 335, and it is understood that the cooling medium 211 near the cooling section 330 can directly absorb heat from the pipe wall of the cooling section 330 for heat exchange due to direct contact with the pipe wall of the cooling section 330, so that the cooling section 330 and the cooling medium 211 perform sufficient heat exchange, the heat transfer capability is improved, and the cooling effect is ensured.

A second preset distance is provided between adjacent two pipe sections of the first pipe section 334, and as shown with reference to fig. 13, a preset distance is provided between longitudinally adjacent pipe sections, that is, a second preset distance is provided between adjacent two pipe sections of the first pipe section 334. It can be appreciated that the cooling medium 211 near the cooling section 330 directly contacts the pipe wall of the cooling section 330, so that heat can be directly absorbed from the pipe wall of the cooling section 330 for heat exchange, and the second preset distance is greater than or equal to 0.1 mm and less than or equal to 20 mm, that is, a gap greater than or equal to 0.1 mm and less than or equal to 20 mm is reserved between two adjacent pipe sections of the first pipe section 334, so that sufficient cooling medium 211 is ensured between the first pipe section 334, the heat transfer effect between the cooling medium 211 and the cooling section 330 can be optimized, the cooling medium 211 in the first pipe section 334 can fully exchange heat with the cooling section 330, and meanwhile, the overall height of the cooling device can be ensured not to be too high, and the size of the shell 200 is small.

Similarly, a third preset distance is set between two adjacent pipe sections of the second coil section 335, and the third preset distance is greater than or equal to 0.1 mm and less than or equal to 20 mm, that is, a gap greater than or equal to 0.1 mm and less than or equal to 20 mm is reserved between two adjacent pipe sections of the second coil section 335, so that sufficient cooling medium 211 is ensured between the second coil section 335, the cooling medium 211 in the second coil section 335 can fully exchange heat with the cooling section 330, and meanwhile, the overall height of the shell 200 can be ensured not to be too high.

The outer wall of the second coil section 335 may be close to the inner wall of the housing 200, for example, the preset axis extends longitudinally, and the heat of the second coil section 335 is transferred into the cooling medium 211, so that the heat carried by the cooling medium 211 is dissipated to the external environment through the housing 200 as soon as possible, and the heat exchange effect of the cooling section 330 can be optimized.

Referring to fig. 6 and 8, the first drop leg 331 is configured with a first limiting part 3311, a first sealing part 341 is provided between the first limiting part 3311 and the housing 200, so that the upper end of the water outlet pipe 300 is sealed with the housing 200 by the first sealing part 341, the first limiting part 3311 can limit the movement of the upper end of the water outlet pipe 300, stably fix the upper end of the water outlet pipe 300, the first sealing part 341 seals the upper end of the water outlet pipe 300 with the housing 200, and it can be understood that the cooling medium 211 is provided in the housing 200, and the cooling medium 211 can be ensured not to overflow from the upper end of the water outlet pipe 300 by the first sealing part 341.

Referring to fig. 7 and 10, the second descending section 333 is configured with a second limiting part 3331, and a second sealing part 342 is provided between the second limiting part 3331 and the housing 200, so that the lower end of the water outlet pipe 300 is sealed with the housing 200 by the second sealing part 342, the second limiting part 3331 can limit the movement of the lower end of the water outlet pipe 300, stably fix the lower end of the water outlet pipe 300, and the second sealing part 342 seals the lower end of the water outlet pipe 300 with the housing 200, it can be understood that the cooling medium 211 is provided in the housing 200, and the cooling medium 211 can be ensured not to overflow from the lower end of the water outlet pipe 300 by the second sealing part 342.

Referring to fig. 6 and 7, the first drop leg 331 is configured with a first limiting part 3311, and a first sealing part 341 is provided between the first limiting part 3311 and the housing 200 such that the upper end of the water outlet pipe 300 is sealed with the housing 200 by the first sealing part 341; the second descending section 333 is configured with a second limiting part 3331, and a second sealing part 342 is provided between the second limiting part 3331 and the housing 200, so that the lower end of the water outlet pipe 300 is sealed with the housing 200 through the second sealing part 342. The first limiting part 3311 and the second limiting part 3331 can stably fix the water outlet pipe 300, ensure that the water outlet pipe 300 can stably exchange heat with the cooling medium 211 in the use process, ensure the tightness between the water outlet pipe 300 and the shell 200 by the first sealing part 341 and the second sealing part 342, and ensure that the cooling medium 211 cannot flow out of the shell 200 to influence the use of the cooling device, so that the cooling device can stably exchange heat.

At least one of the first sealing part 341 and the second sealing part 342 is a sealing ring, and the structure is simple; at least one of the first sealing portion 341 and the second sealing portion 342 is provided in plurality to enhance sealing.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A liquid heating apparatus, comprising:

a kettle body, which is provided with a water storage cavity;

the shell is positioned at one side of the kettle body, and a cooling cavity is formed in the shell;

the cooling section is located in the cooling cavity, the inlet is higher than the outlet, the inlet is suitable for being communicated with the water storage cavity, the cooling section comprises a first descending section, a ascending section and a second descending section which are sequentially communicated, one end of the ascending section is connected to the bottom of the first descending section, and the other end of the ascending section is connected to the top of the second descending section.

2. The liquid heating apparatus of claim 1, wherein the cooling section comprises a helical coil section that spirals about a predetermined axis, the predetermined axis extending longitudinally or transversely.

3. The liquid heating apparatus of claim 2, wherein the spiral coil includes a first coil and a second coil that are in communication, the second coil being located outside the first coil, the second coil spiraling down along an upper end of the first coil, or the second coil spiraling up along a lower end of the first coil.

4. A liquid heating apparatus according to claim 3, wherein a first preset distance is provided between the first coil section and the second coil section, a second preset distance is provided between adjacent two tube sections of the first coil section, a third preset distance is provided between adjacent two tube sections of the second coil section, and the first preset distance, the second preset distance, and the third preset distance are all 0.1 mm or more and 20 mm or less.

5. The liquid heating apparatus according to claim 2, wherein the rising section and the second falling section include the spiral coil section, the spiral coil section being located outside the first falling section, the first falling section extending in a longitudinal straight line, an upper end of the first falling section being configured as the inlet;

and/or, the ascending section comprises the spiral coil section, the second descending section is arranged on the outer side of the spiral coil section, and the lower end of the second descending section is configured as the outlet.

6. The liquid heating appliance of claim 1, wherein at least one of the kettle body and the housing is connected with a heating element, the housing being configured with an insulating cavity between the cooling cavity and the heating element.

7. The liquid heating apparatus according to any one of claims 1 to 6, wherein the kettle body is connected with a first coupler, the kettle body is provided with a liquid outlet, the water outlet pipe is adapted to penetrate through the liquid outlet and be in sealing connection with a wall surface of the liquid outlet, and the first coupler is located on an outer ring of the liquid outlet.

8. The liquid heating apparatus of claim 7, wherein the housing is connected to a second coupler, the second coupler being adapted for conductive contact with the first coupler, a portion of the pipe section of the outlet pipe being disposed through the second coupler.

9. The liquid heating apparatus as claimed in claim 8, wherein the kettle body is provided with a water sealing member for opening and closing the liquid outlet, a first driving member is arranged in the housing and is connected with the water inlet end of the water outlet pipe, and the first driving member is used for driving the water inlet end to rise to abut against the water sealing member and driving the water sealing member to move to release the sealing of the liquid outlet through the water inlet end so as to enable the inlet to be communicated with the water storage cavity.

10. The liquid heating apparatus as claimed in any one of claims 1 to 6, wherein a support portion is connected below the housing, and a water receiving space for accommodating a water intake container is formed between the support portion and the housing.