CN113040603A

CN113040603A - Liquid heating device

Info

Publication number: CN113040603A
Application number: CN202110267324.1A
Authority: CN
Inventors: 何跃涛; 李昱兵; 张德春
Original assignee: Sichuan Hongmei Intelligent Technology Co Ltd
Current assignee: Sichuan Hongmei Intelligent Technology Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-29
Anticipated expiration: 2041-03-12
Also published as: CN113040603B

Abstract

The present invention provides a liquid heating device comprising: a liquid heating vessel and supply assembly; the liquid heating container comprises a kettle body, a heating plate, an upper coupler, a first liquid supply and discharge channel and a base, and the supply assembly comprises a workbench, a lower coupler and a second liquid supply and discharge channel; the heating plate is arranged at the bottom of the kettle body and forms a cavity for containing liquid with the kettle body; the upper coupler is electrically connected with the lower coupler and the heating plate respectively, and the supply assembly supplies power to the heating plate through the lower coupler and the upper coupler; the base is arranged at the bottom of the kettle body and is positioned on the workbench; the first liquid supplying and discharging channel penetrates through the heating plate, the upper coupler and the base, the second liquid supplying and discharging channel penetrates through the lower coupler, the first liquid supplying and discharging channel is communicated with the second liquid supplying and discharging channel, and the first liquid supplying and discharging channel and the second liquid supplying and discharging channel are used for supplying liquid to the cavity and discharging the liquid from the cavity. The scheme of the invention can realize automatic liquid adding and discharging.

Description

Liquid heating device

Technical Field

The invention relates to the technical field of liquid heating, in particular to a liquid heating device.

Background

The liquid heating device has a wide application range, and can be used as a tea making device, specifically, tea leaves are put into a container, water with a certain temperature is injected, and health tea water with a certain taste is produced after brewing at a proper time.

At present, two liquid heating devices are provided, one is a traditional appliance, and the top of the traditional appliance is provided with an opening; another adds a heating plate at the bottom of the traditional appliance. They have in common: both the added product (e.g., tea, water) and the resulting product (e.g., tea) are added and removed from the top opening, typically by hand, in whole or in part. However, the above solution is not conducive to achieving automatic liquid addition and discharge.

Disclosure of Invention

The embodiment of the invention provides a liquid heating device, which can realize automatic adding and discharging of liquid.

An embodiment of the present invention provides a liquid heating apparatus, including: a liquid heating vessel and supply assembly;

the liquid heating container comprises a kettle body, a heating plate, a temperature sensor, an upper coupler, a first liquid supply and discharge channel and a base, and the supply assembly comprises a workbench, a lower coupler and a second liquid supply and discharge channel;

the heating plate is arranged at the bottom of the kettle body, encloses a cavity for containing liquid with the kettle body and is used for heating the liquid in the cavity;

the temperature sensor is arranged on the heating plate and used for measuring the real-time temperature of the liquid in the cavity;

the upper coupler is respectively and electrically connected with the lower coupler and the heating plate, and the supply assembly supplies power to the heating plate through the lower coupler and the upper coupler;

the base is arranged at the bottom of the kettle body and is positioned on the workbench, and the heating plate, the temperature sensor and the upper coupler are positioned between the base and the kettle body;

the lower coupler is connected with the workbench;

the first liquid supplying and discharging channel penetrates through the heating plate, the upper coupler and the base, the second liquid supplying and discharging channel penetrates through the lower coupler, the first liquid supplying and discharging channel is communicated with the second liquid supplying and discharging channel, and the first liquid supplying and discharging channel and the second liquid supplying and discharging channel are used for supplying liquid to the cavity and discharging the liquid from the cavity.

In one possible design, the liquid heating vessel further comprises a first valve body assembly disposed between the heating pan and the upper coupler, the first liquid supply and discharge passage being formed in the first valve body assembly;

the supply assembly further includes a second valve body assembly disposed on the lower coupler, the second fluid supply and discharge passage being formed in the second valve body assembly;

the second valve body assembly is used for enabling the first valve body assembly to act when the second valve body assembly moves, so that the cavity is communicated with or separated from the first liquid supply and discharge channel.

In one possible design, the first valve body assembly includes a hollow stud, a nut, a first valve body, a resilient member, and a first washer;

the hollow stud comprises an external thread, a first step part, a second step part, a first through hole and a second through hole, the heating plate comprises a first mounting hole, the upper coupler comprises a second mounting hole, the hollow stud is mounted between the first mounting hole and the second mounting hole through the nut, the first step part is formed by inward extension of the top of the hollow stud, the second step part is formed by outward extension of the top of the hollow stud, the second step part abuts against the heating plate, the first step part surrounds to form the first through hole, and the second through hole is located at the bottom inside the hollow stud;

the first valve body comprises a first part and a second part which are connected, a step surface is formed at the joint of the first part and the second part, the elastic piece is sleeved on the periphery of the first part, one end of the elastic piece abuts against the first step surface, and the other end of the elastic piece abuts against the step surface, so that the first valve body can move downwards;

the first part is provided with at least one first liquid channel, a second liquid channel is arranged inside the first part and the second part, a gap is arranged between the first part and the first through hole, and the gap, the first liquid channel and the second liquid channel are communicated to form the first liquid supply and discharge channel;

the first gasket is sleeved on the periphery of the first portion, arranged between the top of the hollow stud and the top of the first portion and used for sealing the gap.

In one possible design, the first valve body assembly further includes a second gasket and a third gasket;

the second step part is provided with a first groove, and the second gasket is arranged in the first groove and abutted against the heating plate;

and a second groove is formed in the periphery of the second part, and the third gasket is arranged in the second groove and abutted against the inner wall of the hollow stud.

In one possible design, the first valve body assembly further includes a fourth gasket;

the bottom wall of the second part extends outwards to form a third step part, and the fourth washer is arranged on the third step part and used for enabling the third step part to be in contact with the bottom wall of the hollow stud through the fourth washer when the second part moves upwards.

In one possible design, the top wall of the hollow stud is provided with a concave annular ramp;

when the first gasket abuts against the annular ramp, the gap is sealed by the first gasket;

when the first gasket is not abutted to the annular ramp, the cavity is communicated with the first liquid channel through the gap.

In one possible design, the second liquid passage includes a first sub-liquid passage and a second sub-liquid passage, the first sub-liquid passage and the second sub-liquid passage are communicated in sequence, and the diameter of the first sub-liquid passage is smaller than that of the second sub-liquid passage;

the second valve body assembly comprises a valve core and a second valve body which are connected, the second liquid supply and discharge channel is arranged in the valve core, the lower coupler comprises a third mounting hole, the second valve body is arranged in the third mounting hole, the bottom of the second part is positioned between the second valve body and the valve core, and the second valve body can move up and down in the third mounting hole to drive the valve core to move up and down;

when the upper coupler and the lower coupler are connected, the head part of the valve core is accommodated in the second sub liquid channel;

when the valve core moves upwards, the valve core can jack the first valve body to move downwards so as to open the gap; when the valve core moves downwards, the first valve body moves downwards under the thrust action of the elastic piece.

In one possible design, the second valve body is provided with a leak hole for discharging liquid leaking between the second valve body and the valve element;

the second valve body assembly further comprises a fifth gasket and a sixth gasket, the fifth gasket is sleeved on the periphery of the valve core positioned outside the second sub-liquid passage, and the sixth gasket is sleeved on the periphery of the valve core positioned inside the second sub-liquid passage.

In one possible design, the second valve body assembly further comprises a motor and a push disc, and the push disc is connected with an output shaft of the motor;

the motor is provided with two fixing parts, the lower coupler is provided with two first positioning columns, and the motor is connected with the lower coupler through the two fixing parts and the two first positioning columns;

the push disc is provided with an inclined part and two second positioning columns, the valve core is abutted against the inclined part, and the two second positioning columns are arranged at two ends of the inclined part;

when the motor works, the output shaft drives the push disc to rotate so as to utilize the inclined part to push the valve core to move.

In one possible design, the liquid heating vessel further comprises an intermediate piece connected with the heating pan and the base, respectively;

the bottom wall of the kettle body extends inwards to form a fourth step part, the fourth step part extends downwards to form a fifth step part, the heating plate is arranged on the fourth step part, and part of the middleware is arranged between the base and the fifth step part.

According to the above aspect, in the liquid heating apparatus provided by the present invention, the first liquid supply and discharge channel is provided at the bottom of the liquid heating container, and the second liquid supply and discharge channel is provided at the supply unit, so that when the upper coupler of the liquid heating container is connected to the lower coupler of the supply unit, the first liquid supply and discharge channel is communicated with the second liquid supply and discharge channel, and the first liquid supply and discharge channel and the second liquid supply and discharge channel are used for supplying and discharging liquid to and from the liquid heating container, thereby achieving the effect of automatically adding and discharging liquid in and from the liquid heating container.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present specification, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of a liquid heating apparatus provided in one embodiment of the present disclosure from one perspective;

FIG. 2 is a schematic structural view of a liquid heating apparatus provided in an embodiment of the present disclosure from another perspective;

FIG. 3 is an exploded schematic view of the liquid heating apparatus of FIG. 1;

FIG. 4 is an exploded schematic view of the liquid heating apparatus of FIG. 2;

FIG. 5 is a schematic view of the cooperating structure of the first valve body, the elastic member and the second valve body assembly provided by one embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a push plate provided in an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a hollow stud provided in one embodiment of the present disclosure at one viewing angle;

FIG. 8 is a schematic structural view of a hollow stud provided in one embodiment of the present disclosure from another perspective;

FIG. 9 is a schematic view of a first valve body provided in one embodiment of the present disclosure from one perspective;

FIG. 10 is a schematic view of a first valve body from another perspective provided by an embodiment of the present disclosure;

FIG. 11 is a schematic cross-sectional view of a liquid heating apparatus provided in one embodiment of the present description, taken from one perspective;

fig. 12 is an enlarged schematic view of a portion of fig. 11.

Reference numerals:

1-a liquid heating vessel;

11-a pot body;

111-fourth step;

112-fifth step;

12-heating plates;

13-a temperature sensor;

14-an upper coupler;

15-a base;

16-a first valve body assembly;

161-hollow stud;

161 a-external thread;

161 b-a first step;

161 c-second step;

161c1 — first groove;

161 d-first via;

161 e-second via;

161 f-annular ramp;

162-a nut;

163-a first valve body;

163 a-first portion;

163a1 — first liquid channel;

163 b-second part;

163b1 — second liquid passage;

163b2 — first sub-liquid channel;

163b 3-second sub-liquid channel;

163b 4-step surface;

163b5 — second groove;

163b 6-third step;

164-an elastic member;

165-a first gasket;

166-a second gasket;

167-a third gasket;

168-a fourth gasket;

17-an intermediate piece;

2-a supply assembly;

21-a workbench;

22-a lower coupler;

221-a first positioning column;

23-a second valve body assembly;

231-a valve core;

231 a-second liquid supply and discharge channel;

232-a second valve body;

232 a-weep hole;

233-a fifth gasket;

234-a sixth gasket;

24-a motor;

241-a fixed part;

242-an output shaft;

25-pushing the disc;

251-an inclined portion;

252-second location column.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure more clear, the technical solution in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are a part of the embodiments of the present disclosure, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present disclosure belong to the protection scope of the present disclosure.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the specification.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present specification, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

FIG. 1 is a schematic diagram of a liquid heating apparatus provided in one embodiment of the present disclosure from one perspective; FIG. 2 is a schematic structural view of a liquid heating apparatus provided in an embodiment of the present disclosure from another perspective; FIG. 3 is an exploded schematic view of the liquid heating apparatus of FIG. 1; fig. 4 is an exploded schematic view of the liquid heating apparatus shown in fig. 2.

Referring to fig. 1 to 4, the liquid heating apparatus includes: a liquid heating vessel 1 and a supply assembly 2;

the liquid heating container 1 comprises a kettle body 11, a heating plate 12, a temperature sensor 13, an upper coupler 14, a first liquid supply and discharge channel and a base 15, and the supply assembly 2 comprises a workbench 21, a lower coupler 22 and a second liquid supply and discharge channel 231 a;

the heating plate 12 is arranged at the bottom of the kettle body 11, encloses a cavity for containing liquid with the kettle body 11 and is used for heating the liquid in the cavity;

the temperature sensor 13 is arranged on the heating plate 12 and used for measuring the real-time temperature of the liquid in the cavity;

an upper coupler 14 electrically connected to the lower coupler 22 and the heating plate 12, respectively, and the supply unit 2 supplies power to the heating plate 12 through the lower coupler 22 and the upper coupler 14;

a base 15 arranged at the bottom of the pot body 11 and positioned on the workbench 21, and the heating plate 12, the temperature sensor 13 and the upper coupler 14 are all positioned between the base 15 and the pot body 11;

a lower coupler 22 connected to the table 21;

the first liquid supply and drainage channel is formed inside the heating plate 12, the upper coupler 14 and the base 15, the second liquid supply and drainage channel 231a (see fig. 12 in particular) is formed inside the lower coupler 22, the first liquid supply and drainage channel 231a is communicated with the second liquid supply and drainage channel 231a, and the first liquid supply and drainage channel 231a is used for supplying liquid into the cavity and draining liquid from the cavity.

In the embodiment of the present specification, by providing the first liquid supply and discharge channel at the bottom of the liquid heating container 1 and the second liquid supply and discharge channel 231a at the supply unit 2, when the upper coupler 14 of the liquid heating container 1 and the lower coupler 22 of the supply unit 2 are connected, the first liquid supply and discharge channel 231a is communicated with the second liquid supply and discharge channel 231a, and the first liquid supply and discharge channel 231a is used for supplying and discharging liquid to and from the liquid heating container 1, so that the liquid heating container 1 can achieve the effect of automatic addition and discharge of liquid.

It should be noted that the supply assembly 2 shown in fig. 1 to 4 is only a partial schematic view, and specifically, the supply assembly 2 may be a part of any box capable of supporting the liquid heating container 1, for example, a part of a main box of a tea bar machine having a work table, and is not limited in particular. The liquid heating container 1 may be a tea making pot, or may be other devices capable of heating liquid, and is not limited in particular.

Of course, the liquid heating apparatus further includes a control component, and the control component is electrically connected to the heating plate 12, the temperature sensor 13 and the upper coupler 14, respectively, and is used for controlling operations such as heating and heat preservation of the liquid in the cavity, which are not described herein again. It will be appreciated that, since the liquid heating vessel 1 may be replaced at will, the control assembly may be integrated into the supply assembly 2 in order to reduce the manufacturing cost of the liquid heating vessel 1.

In an application scenario, a user may put tea into the cavity in advance, and then click the tea making button, so that liquid (e.g., water) can be supplied to the cavity through the first liquid supply and discharge channel and the second liquid supply and discharge channel 231a arranged at the bottom of the liquid heating container 1; after making tea, the user can click the button of pouring water, and tea also can supply liquid body channel 231a to discharge from the cavity through the first confession liquid body channel and the second that set up in liquid heating container 1 bottom to supply the user to drink, so can make liquid heating container 1 realize the automatic of liquid and add and the effect of exhaust.

In some embodiments, the liquid heating vessel 1 further comprises a first valve body assembly 16, the first valve body assembly 16 being disposed between the heating pan 12 and the upper coupler 14, the first liquid supply and discharge passage being formed in the first valve body assembly 16;

the supply assembly 2 further includes a second valve body assembly 23, the second valve body assembly 23 is disposed on the lower coupler 22, and a second liquid supply and discharge passage 231a is formed in the second valve body assembly 23;

the second valve body assembly 23 is used for operating the first valve body assembly 16 when the second valve body assembly 23 moves, so that the cavity is communicated with or isolated from the first liquid supply and discharge channel.

In the embodiment of the present specification, since the first liquid supply and discharge passage 231a communicates with each other when the upper coupler 14 of the liquid heating container 1 and the lower coupler 22 of the supply unit 2 are connected, it is only necessary to control the communication or the separation of the cavity and the first liquid supply and discharge passage to control the supply or discharge of the liquid to or from the cavity. Specifically, by arranging the second valve body assembly 23 in the supply assembly 2, when the second valve body assembly 23 moves, the first valve body assembly 16 acts, so that the communication or the separation of the cavity and the first liquid supply and discharge channel can be conveniently and rapidly realized, namely, the automatic liquid addition and discharge effects are realized.

FIG. 5 is a schematic view of the cooperating structure of the first valve body, the elastic member and the second valve body assembly provided by one embodiment of the present disclosure; FIG. 6 is a schematic structural diagram of a push plate provided in an embodiment of the present disclosure; FIG. 7 is a schematic structural diagram of a hollow stud provided in one embodiment of the present disclosure at one viewing angle; FIG. 8 is a schematic structural view of a hollow stud provided in one embodiment of the present disclosure from another perspective; FIG. 9 is a schematic view of a first valve body provided in one embodiment of the present disclosure from one perspective; FIG. 10 is a schematic view of a first valve body from another perspective provided by an embodiment of the present disclosure; FIG. 11 is a schematic cross-sectional view of a liquid heating apparatus provided in one embodiment of the present description, taken from one perspective; fig. 12 is an enlarged schematic view of a portion of fig. 11.

Referring to fig. 5-12, in some embodiments, first valve body assembly 16 includes a hollow stud 161, a nut 162, a first valve body 163, a resilient member 164, and a first washer 165;

the hollow stud 161 comprises an external thread 161a, a first step 161b, a second step 161c, a first through hole 161d and a second through hole 161e, the heating plate 12 comprises a first mounting hole, the upper coupler 14 comprises a second mounting hole, the hollow stud 161 is mounted between the first mounting hole and the second mounting hole through a nut 162, the first step 161b is formed by inward extension of the top of the hollow stud 161, the second step 161c is formed by outward extension of the top of the hollow stud 161, the second step 161c abuts against the heating plate 12, the first step 161b encloses the first through hole 161d, and the second through hole 161e is located at the bottom inside the hollow stud 161;

the first valve body 163 includes a first portion 163a and a second portion 163b connected to each other, a step surface 163b4 is formed at a connection position of the first portion 163a and the second portion 163b, the elastic member 164 is sleeved on the circumference of the first portion 163a, one end of the elastic member 164 abuts against the first step portion 161b, and the other end abuts against the step surface 163b4, so that the first valve body 163 can move downward;

the first part 163a is provided with at least one first liquid passage 163a1, the second part 163b is internally provided with a second liquid passage 163b1, a gap (not shown in the figure) is formed between the first part 163a and the first through hole 161d, and the gap, the first liquid passage 163a1 and the second liquid passage 163b1 are communicated to form a first liquid supply and discharge passage;

a first gasket 165 is fitted around the first portion 163a and disposed between the top of the hollow stud 161 and the top of the first portion 163a for sealing the gap.

In the embodiment of the present specification, by providing the hollow stud 161 to provide a place for the first valve body 163 to move up and down, when the first valve body 163 is pushed by the second valve body assembly 23, the elastic member 164 is pressed to force the first valve body 163 to move upward, and at this time, the cavity communicates with the first liquid passage 163a1 through a gap, so that liquid can be supplied to or discharged from the cavity; when the first valve body 163 is not pushed by the second valve body assembly 23 (i.e. when the pushing force of the second valve body assembly 23 is removed), the first valve body 163 is forced to move downwards by the elastic force of the elastic member 164, and at this time, the first gasket 165 seals the gap, so that the cavity cannot communicate with the first liquid passage 163a1 through the gap, and thus the liquid cannot be supplied to or discharged from the cavity (at this time, the liquid can be heated or kept warm, and the liquid can also be contained). The automatic liquid adding and discharging device is simple in structure, and easy, convenient and fast to achieve the automatic liquid adding and discharging effect.

In other embodiments, the elastic member 164 may be a spring, an elastic sheet, or an elastic rubber ring, which is not limited herein.

In some embodiments, the first valve body assembly 16 further includes a second gasket 166 and a third gasket 167;

the second step portion 161c is provided with a first groove 161c1, and the second washer 166 is provided in the first groove 161c1 and abuts against the heating pan 12;

the second portion 163b is provided with a second groove 163b5 around the body, and a third washer 167 is provided in the second groove 163b5 and abuts against the inner wall of the hollow stud 161.

In the present embodiment, the hollow stud 161 can be effectively lapped around the first mounting hole of the heating pan 12 by providing the second step portion 161 c; by providing the first groove 161c1 at the second stepped portion 161c, the second washer 166 is provided in the first groove 161c1 and abuts against the heating plate 12, so that the liquid in the cavity can be prevented from entering the inside of the first valve body assembly 16 from the gap between the second stepped portion 161c and the heating plate 12, so as to improve the user experience and safety (due to the possibility of short-circuiting or other danger of the upper coupler 14 and the lower coupler 22 after the liquid enters the inside of the first valve body assembly 16); by providing the third gasket 167, liquid can be prevented from leaking out through the gap between the outer wall of the second portion 163b and the inner wall of the hollow stud 161, so as to improve the user experience.

In some embodiments, the first valve body assembly 16 further includes a fourth gasket 168;

the bottom wall of second portion 163b extends outwardly to form a third step 163b6, and a fourth washer 168 is disposed on third step 163b6 for contacting third step 163b6 with the bottom wall of hollow stud 161 via fourth washer 168 when second portion 163b moves upwardly.

In the embodiment of the present specification, by providing the fourth washer 168, the third step portion 163b6 can be prevented from directly contacting the bottom wall of the hollow stud 161 when the first valve body 163 moves upward, so that abnormal noise or noise can be prevented from being generated, and therefore, the service lives of the first valve body 163 and the hollow stud 161 can be effectively prolonged, and the user experience can be improved.

In some embodiments, the top wall of the hollow stud 161 is provided with a concave annular ramp 161 f;

when the first gasket 165 abuts against the annular ramp 161f, the gap is sealed by the first gasket 165;

when the first gasket 165 is not abutting against the annular ramp 161f, the cavity communicates with the first liquid passage 163a1 through the gap.

In the embodiment of the present specification, by providing the annular ramp 161f, the first gasket 165 can be effectively accommodated, so that the first gasket 165 can better seal the gap, thereby further improving the use experience of the user.

In some embodiments, the second liquid passage 163b1 includes a first sub-liquid passage 163b2 and a second sub-liquid passage 163b3, the first liquid passage 163a1, the first sub-liquid passage 163b2 and the second sub-liquid passage 163b3 are sequentially communicated, and the first sub-liquid passage 163b2 has a smaller diameter than the second sub-liquid passage 163b 3;

the second valve body assembly 23 includes a valve core 231 and a second valve body 232 which are connected, a second liquid supply and discharge channel 231a is arranged in the valve core 231, the lower coupler 22 includes a third mounting hole, the second valve body 232 is arranged in the third mounting hole, the bottom of the second part 163b is positioned between the second valve body 232 and the valve core 231, and the second valve body 232 can move up and down in the third mounting hole to drive the valve core 231 to move up and down;

when the upper coupler 14 and the lower coupler 22 are connected, the head of the spool 231 is received in the second sub liquid passage 163b 3;

when the spool 231 moves upward, the spool 231 can jack up the first valve body 163 to move downward to open the gap; when the spool 231 moves downward, the first valve body 163 moves downward by the urging force of the elastic member 164.

In the present embodiment, by providing the first sub liquid passage 163b2 and the second sub liquid passage 163b3 in the second liquid passage 163b1, the diameter of the first sub liquid passage 163b2 is smaller than that of the second sub liquid passage 163b3, and the diameter of the valve spool 231 is larger than that of the first sub liquid passage 163b2, so that the valve spool 231 can push the first valve body 163 to move upward. By providing the second valve body 232 to enable the spool 231 to move up and down in the vertical direction using the second valve body 232 and the third mounting hole of the lower coupler 22, the above-described structures of the first valve body 163, the spool 231, and the second valve body 232 are advantageous to enable automatic supply and discharge of liquid.

In some embodiments, the second valve body 232 is provided with a leakage hole 232a, the leakage hole 232a for discharging the liquid leaked between the second valve body 232 and the spool 231;

the second valve body assembly 23 further includes a fifth gasket 233 and a sixth gasket 234, the fifth gasket 233 is disposed around the valve spool 231 outside the second sub-fluid passage 163b3, and the sixth gasket 234 is disposed around the valve spool 231 inside the second sub-fluid passage 163b 3.

In the embodiment of the present specification, the liquid leaking holes 232a (the number is at least 1, and fig. 5 shows 4) are provided in the second valve body 232, which is beneficial to timely discharging the liquid leaking into the second valve body assembly 23, so that the use experience and the safety of the user can be effectively improved. By providing the fifth gasket 233, the second valve body 232 can be prevented from making abnormal sound or noise with the bottom wall of the second portion 163b when moving upward, so that the service lives of the first valve body 163 and the second valve body 232 can be effectively prolonged, and the user experience can be improved. By providing the sixth gasket 234, the liquid can be prevented from leaking out from the gap between the outer wall of the spool 231 and the inner wall of the second portion 163b, to further enhance the user experience.

In some embodiments, the second valve body assembly 23 further comprises a motor 24 and a push plate 25, the push plate 25 being coupled to the output shaft 242 of the motor 24;

the motor 24 is provided with two fixing parts 241, the lower coupler 22 is provided with two first positioning posts 221, and the motor 24 is connected with the lower coupler 22 through the two fixing parts 241 and the two first positioning posts 221;

the push plate 25 is provided with a slope part 251 and two second positioning posts 252, the valve core 231 is abutted against the slope part 251, and the two second positioning posts 252 are arranged at two ends of the slope part 251;

when the motor 24 is operated, the output shaft 242 rotates the push plate 25 to push the valve core 231 to move by the inclined portion 251.

In the embodiment of the present specification, by providing the motor 24 and the push tray 25, and providing the inclined portion 251 on the push tray 25, it is possible to realize an effect that the output shaft 242 drives the push tray 25 to rotate when the motor 24 is operated, so as to use the inclined portion 251 to push against the valve core 231 to move, and the structure is simple and easy to implement. Further, by arranging the two first positioning posts 221 on the lower coupler 22 and the two second positioning posts 252 on the two ends of the inclined portion 251 of the push plate 25, the push plate 25 can be effectively limited in the rotating process, so that the valve core 231 can be ensured to be abutted against the inclined portion 251 in real time.

In some embodiments, the liquid heating vessel 1 further comprises an intermediate piece 17, the intermediate piece 17 being connected to the hotplate 12 and the base 15, respectively;

the bottom wall of the kettle body 11 extends inwards to form a fourth step part 111, the fourth step part 111 extends downwards to form a fifth step part 112, the heating plate 12 is arranged on the fourth step part 111, and part of the intermediate piece 17 is arranged between the base 15 and the fifth step part 112.

In the present embodiment, the connection between the heating pan 12 and the base 15 can be facilitated by providing the intermediate member 17. The fourth step 111 and the fifth step 112 are arranged on the bottom wall of the can 11, which is beneficial to fixing the can 11 on the base 15, and the structure makes the fixing degree of the can 11 more firm.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the specification, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," 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 specification. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present specification, and is only for the purpose of describing the technical solutions of the present specification, and not for the purpose of limiting the scope of protection of the present specification. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present specification are included in the protection scope of the present specification.

Claims

1. Liquid heating apparatus, characterized in that, includes: a liquid heating vessel (1) and a supply assembly (2);

the liquid heating container (1) comprises a kettle body (11), a heating plate (12), a temperature sensor (13), an upper coupler (14), a first liquid supply and drainage channel and a base (15), and the supply assembly (2) comprises a workbench (21), a lower coupler (22) and a second liquid supply and drainage channel (231 a);

the heating plate (12) is arranged at the bottom of the kettle body (11), and forms a cavity with the kettle body (11) for containing liquid, and is used for heating the liquid in the cavity;

the temperature sensor (13) is arranged on the heating plate (12) and is used for measuring the real-time temperature of the liquid in the cavity;

the upper coupler (14) is electrically connected with the lower coupler (22) and the heating plate (12), and the supply assembly (2) supplies power to the heating plate (12) through the lower coupler (22) and the upper coupler (14);

the base (15) is arranged at the bottom of the kettle body (11) and is positioned on the workbench (21), and the heating plate (12), the temperature sensor (13) and the upper coupler (14) are all positioned between the base (15) and the kettle body (11);

the lower coupler (22) is connected with the workbench (21);

the first liquid supply and drainage channel penetrates through the heating plate (12), the upper coupler (14) and the base (15), the second liquid supply and drainage channel (231a) penetrates through the lower coupler (22), the first liquid supply and drainage channel is communicated with the second liquid supply and drainage channel (231a), and the first liquid supply and drainage channel and the second liquid supply and drainage channel (231a) are used for supplying liquid into the cavity and discharging the liquid from the cavity.

2. Liquid heating device according to claim 1, characterized in that the liquid heating vessel (1) further comprises a first valve body assembly (16), the first valve body assembly (16) being arranged between the hotplate (12) and the upper coupler (14), the first liquid supply and discharge channel being formed in the first valve body assembly (16);

the supply assembly (2) further comprises a second valve body assembly (23), the second valve body assembly (23) being disposed on the lower coupler (22), the second liquid supply and discharge channel (231a) being formed in the second valve body assembly (23);

the second valve body assembly (23) is used for enabling the first valve body assembly (16) to act when the second valve body assembly (23) moves, so that the cavity is communicated with or separated from the first liquid supply and discharge channel.

3. Liquid heating device according to claim 2, wherein the first valve body assembly (16) comprises a hollow stud (161), a nut (162), a first valve body (163), an elastic member (164) and a first washer (165);

the hollow stud (161) comprises an external thread (161a), a first step part (161b), a second step part (161c), a first through hole (161d) and a second through hole (161e), the heating plate (12) comprises a first mounting hole, the upper coupler (14) comprises a second mounting hole, the hollow stud (161) is mounted between the first mounting hole and the second mounting hole through the nut (162), the first step part (161b) is formed by extending the top part of the hollow stud (161) inwards, the second step part (161c) is formed by extending the top of the hollow stud (161) outwards, the second step part (161c) is abutted against the heating plate (12), the first step part (161b) encloses to form the first through hole (161d), the second through hole (161e) is positioned at the bottom of the interior of the hollow stud (161);

the first valve body (163) comprises a first part (163a) and a second part (163b) which are connected, a step surface (163b4) is formed at the connection position of the first part (163a) and the second part (163b), the elastic piece (164) is sleeved on the periphery of the first part (163a), one end of the elastic piece (164) abuts against the first step part (161b), and the other end abuts against the step surface (163b4), so that the first valve body (163) can move downwards;

the first part (163a) is provided with at least one first liquid channel (163a1), the second part (163b) is internally provided with a second liquid channel (163b1), a gap is arranged between the first part (163a) and the first through hole (161d), and the gap, the first liquid channel (163a1) and the second liquid channel (163b1) are communicated to form the first liquid supply and drainage channel;

the first gasket (165) is sleeved on the periphery of the first part (163a) and arranged between the top of the hollow stud (161) and the top of the first part (163a) for sealing the gap.

4. The liquid heating device of claim 3, wherein the first valve body assembly (16) further comprises a second gasket (166) and a third gasket (167);

the second step part (161c) is provided with a first groove (161c1), and the second gasket (166) is arranged in the first groove (161c1) and abutted against the heating plate (12);

a second groove (163b5) is formed in the periphery of the second portion (163b), and the third washer (167) is arranged in the second groove (163b5) and abuts against the inner wall of the hollow stud (161).

5. The liquid heating device of claim 3, wherein the first valve body assembly (16) further comprises a fourth gasket (168);

the bottom wall of the second part (163b) extends outwards to form a third step part (163b6), and the fourth gasket (168) is arranged on the third step part (163b6) and used for enabling the third step part (163b6) to be in contact with the bottom wall of the hollow stud (161) through the fourth gasket (168) when the second part (163b) moves upwards.

6. A liquid heating device according to claim 3, characterized in that the top wall of the hollow stud (161) is provided with a concave annular ramp (161 f);

the gap is sealed by the first gasket (165) when the first gasket (165) abuts against the annular ramp (161 f);

when the first gasket (165) is not abutted against the annular ramp (161f), the cavity communicates with the first liquid passage (163a1) through the gap.

7. The liquid heating apparatus according to claim 3, wherein the second liquid passage (163b1) comprises a first sub liquid passage (163b2) and a second sub liquid passage (163b3), the first liquid passage (163a1), the first sub liquid passage (163b2) and the second sub liquid passage (163b3) are communicated in sequence, and the first sub liquid passage (163b2) has a smaller diameter than the second sub liquid passage (163b 3);

the second valve body assembly (23) comprises a valve core (231) and a second valve body (232) which are connected, a second liquid supply and discharge channel (231a) is arranged in the valve core (231), the lower coupler (22) comprises a third mounting hole, the second valve body (232) is arranged in the third mounting hole, the bottom of the second part (163b) is positioned between the second valve body (232) and the valve core (231), and the second valve body (232) can move up and down in the third mounting hole to drive the valve core (231) to move up and down;

when the upper coupler (14) and the lower coupler (22) are connected, the head of the spool (231) is housed in the second sub liquid passage (163b 3);

when the valve core (231) moves upwards, the valve core (231) can jack the first valve body (163) to move downwards so as to open the gap; when the spool (231) moves downward, the first valve body (163) moves downward by the urging force of the elastic member (164).

8. Liquid heating device according to claim 7, characterized in that the second valve body (232) is provided with a weep hole (232a), the weep hole (232a) being used for draining liquid leaking between the second valve body (232) and the valve element (231);

the second valve body assembly (23) further comprises a fifth gasket (233) and a sixth gasket (234), the fifth gasket (233) is sleeved on the periphery of the valve core (231) located outside the second sub-liquid passage (163b3), and the sixth gasket (234) is sleeved on the periphery of the valve core (231) located inside the second sub-liquid passage (163b 3).

9. Liquid heating device according to claim 7, wherein the second valve body assembly (23) further comprises a motor (24) and a push disc (25), the push disc (25) being connected to an output shaft (242) of the motor (24);

the motor (24) is provided with two fixing parts (241), the lower coupler (22) is provided with two first positioning columns (221), and the motor (24) is connected with the lower coupler (22) through the two fixing parts (241) and the two first positioning columns (221);

the push disc (25) is provided with a slope part (251) and two second positioning columns (252), the valve core (231) is abutted against the slope part (251), and the two second positioning columns (252) are arranged at two ends of the slope part (251);

when the motor (24) works, the output shaft (242) drives the push disc (25) to rotate so as to utilize the inclined part (251) to prop against the valve core (231) to move.

10. A liquid heating device according to any one of claims 1-9, characterized in that the liquid heating vessel (1) further comprises an intermediate piece (17), which intermediate piece (17) is connected with the hotplate (12) and the base (15), respectively;

the bottom wall of the kettle body (11) extends inwards to form a fourth step part (111), the fourth step part (111) extends downwards to form a fifth step part (112), the heating plate (12) is arranged on the fourth step part (111), and part of the middle piece (17) is arranged between the base (15) and the fifth step part (112).