CN215777317U - Liquid heating container - Google Patents

Abstract

The application provides a liquid heating container, includes: the kettle comprises a kettle body, a driving device, a cover body, a first magnet, a pull basket and stirring blades, wherein the driving device comprises a driving shaft, and a screw rod is arranged in the kettle body and is used for rotating under the driving of the driving shaft. The cover body is positioned in the kettle body and is provided with an inner cavity, and at least part of the screw rod extends into the inner cavity. The first magnet is arranged in the inner cavity, is sleeved on the screw rod and can move up and down along the screw rod when the screw rod rotates. The filtering basket is sleeved on the outer side of the cover body and used for moving up and down under the magnetic force action of the first magnet. The stirring blade is sleeved outside the cover body and is positioned below the filter basket. The application provides a liquid heating container can have stirring function when having lift filter basket, and its service function is abundanter.

Description

Liquid heating container

Technical Field

The application relates to the technical field of household appliances, in particular to a liquid heating container.

Background

The liquid heating container comprises a kettle body and a base, wherein the kettle body is enclosed to form a cavity for containing liquid, and the heating plate and other components are contained in the cavity. The kettle body and the base are connected through the upper coupler and the lower coupler so as to heat liquid in the cavity.

Among the current liquid heating container, some can be provided with the lift and strain the basket to be applicable to and hold tealeaves or soup base, but current liquid heating container, the function is single, can not satisfy the demand of user pluralism.

SUMMERY OF THE UTILITY MODEL

The application provides a liquid heating container to solve the problem of liquid heating container function singleness among the prior art.

The embodiment of the application provides a liquid heating container, including the kettle body, wherein, liquid heating container includes:

a drive arrangement including a drive shaft;

the screw is arranged in the kettle body and is used for being driven by the driving shaft to rotate;

the cover body is arranged in the kettle body; the cover body is provided with an inner cavity, and at least part of the screw rod extends into the inner cavity;

the first magnet is arranged in the inner cavity, is sleeved on the screw rod and can move up and down along the screw rod when the screw rod rotates;

the filtering basket is sleeved on the outer side of the cover body and used for moving up and down under the magnetic force action of the first magnet;

and the stirring blade is sleeved on the outer side of the cover body and is positioned below the filter basket.

The application provides a liquid heating container includes screw rod, the cover body and first magnet, and first magnet cup joints on the screw rod, and the screw rod at least part stretches into the cover body in, strains the basket cover on the cover body, and along with the rotation of screw rod, first magnet can the up-and-down motion to make and strain the basket and can follow first magnet up-and-down motion. The liquid heating container also comprises a stirring blade which is sleeved outside the cover body and positioned below the filter basket and can stir the liquid in the kettle body. The application provides a liquid heating container can have stirring function when having lift filter basket, and its service function is abundanter.

In one possible design, the outer wall surface of the first magnet includes a first outer arc surface and a first outer plane; the inner cavity of the cover body comprises a first inner arc surface and a first inner plane; the first outer arc surface is matched with the first inner arc surface, and the first outer plane is matched with the first inner plane.

In the above scheme, the first magnet is matched with the cover body to prevent the first magnet from rotating, so that the first magnet can only ascend and descend along the inner wall of the cover body in the inner cavity, and the filter basket is driven to ascend or descend.

In one possible design, the outer wall surface of the cover body comprises a second outer arc surface and a second outer plane; the filter basket is provided with a central hole, and the filter basket is sleeved on the cover body through the central hole; the inner wall surface of the central hole comprises a second inner arc surface and a second inner plane; the second outer arc surface is matched with the second inner arc surface, and the second outer plane is matched with the second inner plane.

In the above scheme, the filter basket is matched with the cover body to prevent the filter basket from rotating, so that the filter basket can only ascend and descend along the outer wall of the cover body.

In one possible design, the top of the enclosure is provided with a top plate for retaining the first magnet.

In the above scheme, the top plate limits the first magnet in the height direction, and the first magnet is prevented from flying out of the cover body to influence the normal work of the filter basket and other elements.

In one possible design, the liquid heating vessel further comprises:

the second magnet is arranged in the inner cavity, is sleeved on the screw rod and can rotate along with the rotation of the screw rod;

the stirring blade is used for rotating along with the second magnet under the magnetic force action of the second magnet.

In the above scheme, the second magnet can see through the cover body and produce magnetic force to the stirring leaf, when the second magnet rotated along with the screw rod in step, can drive the stirring leaf around the synchronous rotation of the cover body, stirs the liquid in the kettle body, makes liquid be heated evenly.

In a possible design, the cover body is provided with a limiting part, a clamp spring is clamped on the screw rod, and the limiting part and the clamp spring clamp the second magnet in a clamping and fixing mode along the height direction of the liquid heating container.

In the above scheme, spacing portion and jump ring carry on spacingly to the second magnet jointly, make the second magnet along the axial fixity of screw rod, can only rotate around the screw rod, can not produce along the ascending displacement of liquid heating container direction of height.

In one possible design, the stirring blade is made of metal; or the stirring blade is provided with a third magnet, and the third magnet is used for being magnetically attracted with the second magnet, so that the stirring blade is adsorbed on the cover body.

In the above scheme, the second magnet produces magnetism with the third magnet and inhales, makes the stirring leaf adsorb in the cover body, when the second magnet rotates along with the rotation of screw rod 3, can drive the synchronous rotation of stirring leaf.

In a possible design, the liquid heating container further comprises a heating plate disposed at the bottom of the cover body, and the heating plate and the cover body are integrally formed.

In the above scheme, the dish that generates heat is used for heating the liquid in the kettle body, simultaneously in cover body bottom, plays the support fixed action to the cover body, and the dish that generates heat and cover body integrated into one piece have guaranteed the leakproofness of cover body bottom, and it is internal that the liquid that makes the kettle body can not get into the cover.

In one possible design, the liquid heating vessel further comprises a base, an upper power coupler and a lower power coupler;

the upper power coupler is arranged on the kettle body, and the lower power coupler is arranged on the base;

the upper power supply coupler and the lower power supply coupler are in plug-in fit to achieve electric communication.

In the scheme, the lower power supply coupler and the upper power supply coupler can be of circular ring structures, and the lower power supply coupler and the upper power supply coupler can be spliced and matched at any angle to realize circuit communication of the liquid heating container.

In a possible design, the upper power coupler is provided with more than three upper pole pieces, the lower power coupler is provided with more than three lower pole pieces, the upper power coupler and/or the lower power coupler are circular metal sleeves, and after the upper power coupler and the lower power coupler are plugged, the upper pole pieces, the circular metal sleeves and the lower pole pieces are electrically communicated.

In the above scheme, the upper power coupler and the lower power coupler can be spliced and matched at any angle of 360 degrees, and the use is convenient. When the upper power supply coupler and the lower power supply coupler are inserted, a passage is formed, so that current can be transmitted to the control element at the bottom of the kettle body from the power supply, and the control on the working mode or the temperature of the liquid heating container is realized.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic diagram of a liquid heating vessel as provided herein;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a cross-sectional view of the side view of FIG. 1;

FIG. 4 is a schematic view of the first magnet of FIG. 3;

FIG. 5 is a schematic structural view of the inside of the kettle body;

FIG. 6 is a schematic structural view of the filter basket of FIG. 5;

FIG. 7 is an enlarged view of FIG. 5;

FIG. 8 is another enlarged view of FIG. 5;

FIG. 9 is a schematic view of the structure of the housing of FIG. 3;

FIG. 10 is a schematic diagram of the structure of the upper power coupler of FIG. 3;

fig. 11 is a schematic structural diagram of the lower power coupler of fig. 3.

Reference numerals:

1-a kettle body;

11-kettle body bottom cover;

12-a cover body;

121-lumen;

122-a top plate;

123-heating plate;

124-first inner arc surface;

125-a first inner plane;

126-a second outer arc surface;

127-a second outer plane;

128-a limiting part;

13-a first magnet;

131-a first extrados surface;

132-a first outer plane;

14-a filter basket;

141-a central hole;

142-a second inner arc surface;

143-a second inner plane;

15-a second magnet;

2-a drive shaft;

3-a screw;

31-a clamp spring;

4-stirring blade;

41-a third magnet;

5-upper power coupler;

51-upper pole piece;

6-lower power coupler;

61-lower pole piece;

62-circular ring shaped metal sleeve;

7-a base;

71-a panel;

72-base bottom cover.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1 and fig. 2, the embodiment of the present application provides a liquid heating container, which includes a kettle body 1 and a base 7, and the kettle body 1 and the base 7 may be connected through an upper power coupler 5 and a lower power coupler 6, so as to achieve the purpose of heating liquid in the kettle body 1.

The base 7 has a panel 71 and a base bottom cover 72, the panel 71 is located on the upper surface of the base 7 and is used for controlling the cooking mode of the liquid heating container, displaying the temperature and the like, and the base bottom cover 72 is located on the outer surface of the base 7 and serves as the outer wall of the base 7 and is used for sealing and protecting the components inside the base.

As shown in fig. 3, the liquid heating container comprises a kettle body 1, a driving device, a screw 3, a cover body 12, a first magnet 13, a filter basket 14 and a stirring blade 4, wherein the driving device comprises a driving shaft 2. In particular, the drive means, which may be an electric motor, is mounted in the base 7. The screw rod 3 and the cover body 12 are positioned in the kettle body 1, and the screw rod 3 is driven by the driving shaft 2 to rotate. The housing 12 has an inner space 121, into which inner space 121 at least part of the threaded spindle 3 projects. The first magnet 13 is located in the inner cavity 121, the first magnet 13 is sleeved on the screw rod 3, and the first magnet 13 can move up and down along the screw rod 3 when the screw rod 3 rotates. The filter basket 14 is sleeved outside the cover body 12 and used for moving up and down under the magnetic force of the first magnet 13. The stirring blade 4 is sleeved outside the cover body 12 and is positioned below the filter basket 14.

In this embodiment, the kettle body 1 is used for containing liquid, such as water, soup, tea or porridge, and the height of the cover body 12 is greater than the maximum height of the liquid in the kettle body 1 for sealing and protecting internal components. The first magnet 13 is sleeved on the outer wall of the screw rod 3 and can be in threaded connection with one end of the screw rod 3 extending into the inner cavity 121, so as to drive the filter basket 14 to lift along the cover body 12. The filter basket 14 is used for containing solids such as tea leaves, spices and the like. When the driving shaft 2 is electrified to rotate, the screw rod 3 can be driven to synchronously rotate, the screw rod 3 drives the stirring blade 4 to rotate, and meanwhile, the first magnet 13 moves up and down along the screw rod 3. Because the first magnet 13 has a magnetic effect on the filter basket 14, the filter basket 14 can be driven to synchronously move up and down along the cover body 12. By adopting the structure design, the first magnet 13 can be driven to move up and down by the rotation of the screw rod 3, and then the filter basket 14 can move up and down along with the first magnet 13. Moreover, the stirring blade 4 is positioned outside the cover body 12, and can be simultaneously carried out with the lifting of the filter basket 14, so that the stirring function of the liquid heating container and the lifting function of the filter basket 14 are synchronized. The application provides a liquid heating container can have stirring function when having lift filter basket, and its service function is abundanter.

In addition, the bottom of the kettle body 1 is provided with a heating plate 123 for heating the liquid in the kettle body 1. In the liquid heating container that this application embodiment provided, drive arrangement sets up in base 7 to can avoid the dish 123 that generates heat of kettle body 1, like this, drive arrangement's temperature can not be too high, has avoided drive arrangement to influence its security performance's problem because the temperature is high, has also avoided leading to the problem that drive arrangement internal element is heated and is lost efficacy because the temperature is high. In addition, the liquid heating container that this application embodiment provided, first magnet 13 directly cup joints on screw rod 3, and filter basket 14 directly overlaps on cover body 12, and when filter basket along with first magnet 13 up-and-down motion, filter basket 14 can not take place to the situation of one side slope, and its operation is more steady, and soup base and tealeaves etc. in filter basket 14 also can not spill.

Kettle body 1 bottom has kettle body bottom 11 for other parts in the sealed kettle body 1, borosilicate glass can be chooseed for use to the whole material of kettle body 1, and borosilicate glass has high temperature resistant, stable in quality's advantage, can not produce the material harmful to the human body after the heating. The high borosilicate glass also has the characteristic of complete transparency, so that a user can conveniently observe the cooking state of food materials in the kettle body 1, and the practicability of the liquid heating container is improved. The material of the filter basket 14 may be a magnetic material, or a metal material magnetically attracted by the first magnet 13, such as food grade SUS430/SUS440 stainless steel, which can directly contact with the liquid in the kettle body 1 and the solid in the filter basket 14 without causing any harm to human health.

Specifically, as shown in fig. 4 and 5, the outer wall surface of the first magnet 13 includes a first outer arc surface 131 and a first outer flat surface 132, the inner cavity 121 of the cover 12 includes a first inner arc surface 124 and a first inner flat surface 125, the first outer arc surface 131 is engaged with the first inner arc surface 124, and the first outer flat surface 132 is engaged with the first inner flat surface 125.

In this embodiment, the first magnet 13 and the upper portion of the inner cavity 121 are both hollow D-shaped pillar structures, and the first magnet 13 is located at the upper portion of the inner cavity 121. The first outer arc surface 131 of the first magnet 13 is matched with the first inner arc surface 124 of the inner cavity 121, the first outer plane 132 of the first magnet 13 is matched with the first inner plane 125 of the inner cavity 121, the first magnet 13 is prevented from rotating, and when the screw 3 rotates, the first magnet 13 can only ascend and descend along the inner wall of the cover body 12 in the inner cavity 121, so as to drive the filter basket 14 to ascend or descend.

Specifically, as shown in fig. 6 and 7, the outer wall surface of the cover body 12 includes a second outer arc surface 126 and a second outer plane 127, the filter basket 14 has a central hole 141, the filter basket 14 is sleeved on the cover body 12 through the central hole 141, the inner wall surface of the central hole 141 includes a second inner arc surface 142 and a second inner plane 143, the second outer arc surface 126 is matched with the second inner arc surface 142, and the second outer plane 127 is matched with the second inner plane 143.

In this embodiment, the central hole 141 of the filter basket 14 is D-shaped, and the central hole 141 is located on the outer wall of the housing 12. The second inner arc surface 142 of the central aperture 141 cooperates with the second outer arc surface 126 of the housing 12 and the second inner flat surface 143 of the central aperture 141 cooperates with the second outer flat surface 127 of the housing 12 to prevent rotation of the filter basket 14 so that the filter basket 14 can only be raised and lowered along the outer wall of the housing 12.

In a specific embodiment, as shown in fig. 7, the top of the enclosure 12 is provided with a top plate 122 for retaining the first magnet 13.

In this embodiment, the top plate 122 is used for limiting the rising height of the first magnet 13 along the inner wall of the cover 12, when the first magnet 13 rises to contact with the top plate 122, the motor will perform instant rotation blocking, the current will increase, the motor will perform reverse rotation or power failure protection according to the set requirement, so that the first magnet 13 stops and does not rise any longer, and the first magnet 13 is prevented from flying out of the cover 12 to affect the normal operation of the filter basket 14 and other elements.

In a specific embodiment, as shown in fig. 5, the liquid heating vessel further comprises: a second magnet 15. The second magnet 15 is disposed in the inner cavity 121 and sleeved on the screw rod 3, the second magnet 15 can rotate along with the rotation of the screw rod 3, and the stirring blade 4 is used for rotating along with the second magnet 15 under the magnetic force action of the second magnet 15.

In this embodiment, the bottom of the inner cavity 121 is a cylindrical structure, and the second magnet 15 is a hollow cylindrical structure, sleeved on the outer wall of the screw rod 3, and located at the bottom of the inner cavity 121. The second magnet 15 can see through the cover body 12 and produce magnetic force to stirring leaf 4, when second magnet 15 rotated along with screw rod 3 in step, can drive stirring leaf 4 around cover body 12 in step, stirs the liquid in the kettle body 1, makes liquid be heated evenly.

In a specific embodiment, as shown in fig. 8, the cover 12 is provided with a limiting portion 128, the screw rod 3 is provided with a clamp spring 31, and the limiting portion 128 and the clamp spring 31 clamp and fix the second magnet 15 along the height direction of the liquid heating container.

In this embodiment, the limiting portion 128 contacts with the upper surface of the second magnet 15, the clamp spring 31 contacts with the lower surface of the second magnet 15, and the limiting portion 128 and the clamp spring 31 limit the second magnet 15 together, so that the second magnet 15 is fixed along the axial direction of the screw rod 3 and can only rotate around the screw rod 3, and displacement along the height direction of the liquid heating container cannot be generated.

Wherein, the shape of jump ring 31 can be annular or C shape, only needs to ensure jump ring 31 can cooperate with screw rod 3, and it can to carry out spacingly to the lower surface of second magnet 15.

In a specific embodiment, as shown in fig. 8, the stirring blade 4 is made of metal, or the stirring blade 4 is provided with a third magnet 41, and the third magnet 41 is used for magnetically attracting the second magnet 15, so that the stirring blade 4 is attracted to the cover 12.

In this embodiment, the third magnet 41 is located at a position close to the cover 12 in the stirring blade 4, and the second magnet 15 and the third magnet 41 generate magnetic attraction to make the stirring blade 4 adhere to the cover 12, so that when the second magnet 15 rotates along with the rotation of the screw rod 3, the stirring blade 4 can be driven to rotate synchronously.

The third magnet 41 may not be disposed in the stirring blade 4, and the material of the stirring blade 4 should be a metal material capable of being magnetically attracted, so as to ensure that the second magnet 15 can attract the stirring blade and cannot fall off when the stirring blade rotates synchronously with the second magnet 15.

In the above embodiments, as shown in fig. 9, it is mentioned above that the liquid heating container further includes the heating plate 123 disposed at the bottom of the cover 12, and the heating plate 123 is integrally formed with the cover 12.

The heating plate 123 is located at the bottom of the kettle body 1 and used for heating liquid in the kettle body 1, the cover body 12 is supported and fixed at the bottom of the cover body 12, and the heating plate 123 and the cover body 12 are integrally formed, so that the sealing property of the bottom of the cover body 12 is guaranteed, and the liquid in the kettle body 1 cannot enter the cover body 12.

In the above embodiments, as shown in fig. 2, the liquid heating container further includes an upper power coupler 5 and a lower power coupler 6, wherein the upper power coupler 5 is disposed on the kettle body 1, the lower power coupler 6 is disposed on the base 7, and the upper power coupler 5 and the lower power coupler 6 are inserted and matched to achieve electrical connection.

In this embodiment, the upper power coupler 5 is located on the outer wall of the bottom of the kettle body 1, the lower power coupler 6 and the upper power coupler 5 can be both in a circular structure, and the upper power coupler and the lower power coupler can be inserted and matched at any angle to realize circuit communication of the liquid heating container.

Specifically, as shown in fig. 10 and 11, three or more upper pole pieces 51 are provided on the upper power coupler 5, three or more lower pole pieces 61 are provided on the lower power coupler 6, the upper power coupler 5 and/or the lower power coupler 6 is an annular metal sleeve 62, and after the upper power coupler 5 and the lower power coupler 6 are inserted, the upper pole pieces 51, the annular metal sleeve 62 and the lower pole pieces 61 are electrically connected.

In this embodiment, the upper pole piece 51 is disposed on one surface of the upper power coupler 5 located in the kettle body 1, and is used for current transmission between the upper power coupler 5 and a control element at the bottom of the kettle body 1, the lower pole piece 61 is disposed on one surface of the lower power coupler 6 located in the base 7, and is used for current transmission between a power supply and the lower power coupler 6, the upper power coupler 5 and the lower power coupler 6 are both annular metal sleeves 62, and the upper power coupler 5 and the lower power coupler 6 can be inserted and matched at any angle of 360 degrees, and are convenient to use. When the upper power coupler 5 and the lower power coupler 6 are inserted, a passage is formed, so that current can be transmitted to a control element at the bottom of the kettle body 1 from a power supply, and the working mode or the temperature of the liquid heating container is controlled.

One of the upper power coupler 5 and the lower power coupler 6 may be a circular metal sleeve 62, and the other may be a circular structure made of other conductive materials, as long as they can be matched with each other to realize 360-degree arbitrary angle plug-in coupling.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A liquid heating vessel comprising a kettle body (1), characterized in that the liquid heating vessel comprises:

a drive arrangement comprising a drive shaft (2);

the screw (3) is arranged in the kettle body (1) and is used for rotating under the driving of the driving shaft (2);

the cover body (12) is arranged in the kettle body (1); the cover body (12) is provided with an inner cavity (121), and at least part of the screw rod (3) extends into the inner cavity (121);

the first magnet (13) is arranged in the inner cavity (121), the first magnet (13) is sleeved on the screw rod (3), and the first magnet (13) can move up and down along the screw rod (3) when the screw rod (3) rotates;

the filter basket (14) is sleeved on the outer side of the cover body (12) and used for moving up and down under the magnetic force action of the first magnet (13);

and the stirring blade (4) is sleeved on the outer side of the cover body (12) and is positioned below the filter basket (14).

2. A liquid heating vessel according to claim 1, wherein the outer wall surface of said first magnet (13) comprises a first outer arc surface (131) and a first outer flat surface (132);

the inner cavity (121) of the cover body (12) comprises a first inner arc surface (124) and a first inner plane (125);

the first outer arc surface (131) cooperates with the first inner arc surface (124), and the first outer flat surface (132) cooperates with the first inner flat surface (125).

3. A liquid heating vessel as claimed in claim 1, wherein the outer wall surface of said enclosure (12) comprises a second outer circular arc surface (126) and a second outer flat surface (127);

the filter basket (14) is provided with a central hole (141), and the filter basket (14) is sleeved on the cover body (12) through the central hole (141); the inner wall surface of the central hole (141) comprises a second inner arc surface (142) and a second inner plane (143);

the second outer arc surface (126) is matched with the second inner arc surface (142), and the second outer plane (127) is matched with the second inner plane (143).

4. A liquid heating vessel as claimed in claim 2 or 3, wherein the top of the enclosure (12) is provided with a top plate (122) for retaining the first magnet (13).

5. A liquid heating vessel as claimed in claim 2 or 3, further comprising:

the second magnet (15) is arranged in the inner cavity (121), the second magnet (15) is sleeved on the screw rod (3), and the second magnet (15) can rotate along with the rotation of the screw rod (3);

the stirring blade (4) is used for rotating along with the second magnet (15) under the magnetic force action of the second magnet (15).

6. A liquid heating vessel as claimed in claim 5, wherein said cover (12) is provided with a stop (128);

a clamp spring (31) is clamped on the screw rod (3);

along the height direction of the liquid heating container, the limiting part (128) and the clamp spring (31) clamp and fix the second magnet (15).

7. A liquid heating vessel as claimed in claim 5, wherein said stirring blades (4) are of metal; or the like, or, alternatively,

the stirring blade (4) is provided with a third magnet (41), and the third magnet (41) is used for being magnetically attracted with the second magnet (15) so that the stirring blade (4) is adsorbed on the cover body (12).

8. A liquid heating vessel as claimed in any of claims 1 to 3, further comprising:

the heating plate (123) is arranged at the bottom of the cover body (12), and the heating plate (123) and the cover body (12) are integrally formed.

9. A liquid heating vessel as claimed in any of claims 1 to 3, further comprising a base (7), an upper power coupler (5) and a lower power coupler (6); the upper power coupler (5) is arranged on the kettle body (1), and the lower power coupler (6) is arranged on the base (7);

the upper power supply coupler (5) and the lower power supply coupler (6) are in plug-in fit to achieve electric communication.

10. A liquid heating vessel as claimed in claim 9, wherein said upper power coupler (5) is provided with more than three upper pole pieces (51);

more than three lower pole pieces (61) are arranged on the lower power coupler (6);

the upper power coupler (5) and/or the lower power coupler (6) is/are annular metal sleeves (62);

after the upper power coupler (5) and the lower power coupler (6) are connected in an inserted mode, electric communication is formed among the upper pole piece (51), the annular metal sleeve (62) and the lower pole piece (61).

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