CN210018964U - Liquid heating container - Google Patents

Abstract

The utility model relates to the technical field of household appliances, in particular to a liquid heating container, which comprises a kettle body; the heating plate is positioned at the bottom of the kettle body and is provided with a first end part far away from the kettle body along the height direction of the liquid heating container, and the first end part is provided with a concave part; the electric heating film is arranged in the concave part. The utility model provides a liquid heating container improves its heat conduction effect when having sufficient impact resistance, guarantees the life of electric heat membrane.

Description

Liquid heating container

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a liquid heating container.

Background

As is known, the cooking containers in the market are various in types, and can meet different use requirements of users. When the metal heating plate adopted by the existing cooking container is used for cooking food, the heating plate is easy to discolor and oxidize the food, and meanwhile, the metal heating plate is easy to cause the heavy metal exceeding standard when the food is cooked. In order to solve the problems, the glass kettle is produced by transportation, and the glass plate is used as a heating device of the electric kettle and is required to bear an impact test of more than 0.5J, namely the thickness of the glass is required to be more than 3.5mm, the thicker the glass is, the poorer the heat conduction effect is, and the heat generated when the electric heating film is heated is difficult to transfer to the other surface of the glass; the thermal efficiency is poor, and the service life of the electric heating film is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid heating container improves its heat conduction effect when having sufficient impact resistance, guarantees the life of electric heat membrane.

The utility model provides a liquid heating container, include:

a kettle body;

the heating plate is positioned at the bottom of the kettle body and is provided with a first end part far away from the kettle body along the height direction of the liquid heating container, and the first end part is provided with a concave part;

the electric heating film is arranged in the concave part.

Further, the concave part is a groove arranged at the first end part of the heating plate;

the electric heating film is of a disc-shaped structure and is attached to the bottom wall of the groove.

Further, the bottom wall of the groove is also provided with a bump, so that the groove is of an annular structure.

Furthermore, a plurality of convex edges are arranged on the bottom wall of the groove, the convex edges are distributed in an annular shape, and gaps are formed between every two adjacent convex edges;

the electrothermal films are of a multi-layer annular structure, and each layer of electrothermal film is respectively positioned in the corresponding gap.

Furthermore, along the height direction of the liquid heating container, the thickness of the electric heating film is smaller than the depth of the groove, and the height of the convex edge is not larger than the depth of the groove.

Further, the electric heating film comprises an electrode and an electrode elastic sheet, wherein the electrode is connected with the electric heating film and is arranged in the concave part;

the electrode elastic sheet is in contact fit with the electrode and communicated with an external power supply to control the electric heating film to heat.

Furthermore, a gap is formed in the peripheral wall of the bump, and the electrode is located in the gap.

Further, the method also comprises the following steps:

the electrode elastic sheet is arranged on the support plate, and at least part of the electrode elastic sheet extends out of the support plate and is abutted against the electrode;

the connector assembly is connected with the electrode elastic sheet through a lead, and is connected with an external power supply;

the fixing part is used for fixing the support plate on the kettle body so as to realize the butt joint of the electrode and the electrode elastic sheet.

Further, the heating plate and the kettle body are fixedly connected through a sealant;

the fixing part is fixedly connected with at least one of the heating plate and the kettle body;

a soft pad is arranged between the fixing part and the kettle body.

Further, the fixing part is fixedly connected with the support plate through a heat insulation bolt.

The utility model has the advantages that:

the utility model provides a liquid heating container, this liquid heating container includes: a kettle body; the heating plate is positioned at the bottom of the kettle body and along the height direction of the liquid heating container, the heating plate is provided with a first end part far away from the kettle body, and the first end part is provided with a concave part; the electric heating film is arranged in the concave part. Specifically, in the glass type liquid heating container, the main heating device part, namely the heating plate, is a glass plate, one end of the glass plate, which is far away from the first end, is a second end, and the second end is directly contacted with the liquid in the inner cavity of the kettle body. The first end sets up the electric heat membrane to heat conduction to the glass board that produces the electric heat membrane, the glass board is because self has the heat conduction function, can be with the heat conduction to the second end that the first end electric heat membrane sent, thereby the realization heats the liquid with second end direct contact. Since glass is a vulnerable part, it is necessary to ensure that it can withstand an impact test of a fixed strength if it is used as a heat conductive member, and it is necessary to increase the thickness of the glass plate in order to ensure that it has a sufficient strength. But affects its heat transfer efficiency. Therefore, the first end part is provided with the concave part, so that the electric heating film is arranged in the first end part, and by adopting the structure matching form, the heat conduction effect is not required to be improved or the thickness of the glass plate is not required to be increased to ensure the strength by reducing the thickness of the glass plate. Make the glass board under thinner condition, can enough pass through the shock-testing, also can guarantee better heat conduction effect to make the time of generating heat of electric heat membrane reduce (heating time is longer more, the heating temperature of electric heat membrane can be higher, the heating temperature of electric heat membrane generally is not more than 400 degrees, otherwise can influence the life of electric heat membrane, the power attenuation that makes the electric heat membrane can be very serious), increased the life of electric heat membrane.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall view of a liquid heating container according to an embodiment of the present invention, wherein the direction indicated by the arrow is the height direction of the liquid heating container;

FIG. 2 is an enlarged view of a portion C of FIG. 1;

fig. 3 is an exploded view of the kettle body assembly provided by the embodiment of the present invention;

fig. 4 is a schematic structural view of a heating plate fitting portion according to an embodiment of the present invention;

FIG. 5 is a cross-sectional front view of the heating plate of FIG. 4 in cooperation with an electrothermal film;

FIG. 6 is a schematic view of another embodiment of the present invention showing a structure of a fitting portion of a heating plate;

fig. 7 is a cross-sectional front view of the heating plate of fig. 6 in cooperation with an electrothermal film.

Icon:

1-a base;

2-a kettle body component;

21-pot body;

22-a bottom cover;

23-a stationary part;

231-a third end;

232-a fourth end;

24-an electrode dome;

25-heating plate;

251-a groove;

252-a bump;

253-notch;

254-a rib;

255-cushion;

26-an electrothermal film;

27-an electrode;

28-a support plate;

281-heat insulation bolts;

3-pot cover;

4-a handle;

41-a connecting part;

42-handle cover;

43-soft rubber cushion;

5-a temperature sensor;

6-temperature controller;

7-a connector assembly;

71-a lower connector;

72-an upper connector;

8-control panel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2, 4 and 6, the present embodiment provides a liquid heating container including: a kettle body 21; a heating plate 25 located at the bottom of the kettle body 21 and along the height direction (arrow direction shown in fig. 1) of the liquid heating container, wherein the heating plate 25 has a first end far away from the kettle body 21, and the first end is provided with a recess; and the electrothermal film 26 is arranged in the concave part. Specifically, in the glass type liquid heating container, the main heating device part, i.e. the heating plate 25, is a glass plate, and one end of the glass plate far away from the first end is a second end which is directly contacted with the liquid in the inner cavity of the kettle body 21. First end sets up electric heat membrane 26 to heat conduction to the glass board that produces electric heat membrane 26, the glass board is because self has the heat conduction function, can be with heat conduction to the second end that first end electric heat membrane 26 sent, thereby the realization heats the liquid with second end direct contact.

Since glass is a vulnerable part, it is necessary to ensure that it can withstand an impact test of a fixed strength if it is used as a heat conductive member, and it is necessary to increase the thickness of the glass plate in order to ensure that it has a sufficient strength. But affects its heat transfer efficiency. Therefore, the first end portion is provided with the concave portion, the electric heating film 26 is arranged in the concave portion, and by adopting the structure matching mode, the heat conduction effect is not required to be improved or the thickness of the glass plate is not required to be increased through thinning the thickness of the glass plate, so that the strength is ensured. Make the glass board under thinner condition, can enough pass through the shock-testing, also can guarantee better heat conduction effect to make electrothermal film 26 generate heat the time reduction (heating time is longer more, electrothermal film 26's heating temperature can be higher, electrothermal film 26's heating temperature generally does not exceed 400 degrees, otherwise can influence electrothermal film 26's life, make electrothermal film 26's power decay can be very serious), increased electrothermal film 26's life.

As a specific embodiment of the present application, as shown in fig. 1 and 2, the liquid heating container is integrally formed by a lid 3, a body assembly 2 and a base 1, the body assembly 2 includes a body 21 and a heating plate 25, an opening of the body 21 is covered by the lid 3, and the body 21 is fixedly connected to the heating plate 25, so that the heating plate 25 serves as a bottom wall of the body 21, and an inner cavity formed by the combination is used for storing and heating internal liquid or food. Wherein, the position corresponding to the first end is also provided with an electrode 27 and an electrode spring plate 24, the electrode 27 is connected with the electrothermal film 26 and is arranged in the concave part; the electrode spring 24 is in contact fit with the electrode 27, and the electrode spring 24 is communicated with an external power supply to control the electric heating film 26 to generate heat. In order to ensure the stability of matching and better heating effect, the matching mode of the electrode 27 and the electrode elastic sheet 24 is communicated with an external power supply to control the heating of the electrothermal film 26. The structure is simple to match, the electrode 27 connected with the electrothermal film 26 is also arranged in the concave part, does not occupy space and is firmer.

In addition, the kettle body assembly 2 further comprises a bottom cover 22 for covering and connecting the heating plate 25 to the bottom of the kettle body 21, and a support plate 28 is arranged in a space formed by the bottom cover 22 and the heating plate 25. Wherein, electrode shell fragment 24 arranges in mounting panel 28, and at least part stretches out mounting panel 28 and electrode 27 butt, electrode shell fragment 24 adopts the form of stretching out and electrode 27 contact cooperation, aim at is because this kind of electrode shell fragment 24's fixed form, make it according to the characteristics of self structure, produce certain elasticity, after mounting panel 28 and kettle body 21 fixed connection, electrode shell fragment 24 is in the pressurized state, electrode shell fragment 24's contact point and electrode 27 butt, can guarantee better connection effect between the two like this, avoid receiving under the effect of external force, both the condition that the disconnection appears, improve complex stability.

In order to realize the communication between the electrode 27 and the electrode spring piece 24 and the external power supply, the connector assembly 7 is further designed and comprises an upper connector 72 and a lower connector 71, the upper connector 72 is arranged on the support plate 28 and is connected with the electrode spring piece 24 through a lead, the lower connector 71 is arranged on the base 1 and is connected with the external power supply through the base 1, the connection between the upper connector 72 and the lower connector 71 is represented by the connection with the external power supply, and the detachable connection between the kettle body assembly 2 and the base 1 is realized through the matching of the upper connector 72 and the lower connector 71. Wherein, still be equipped with control panel 8 on the base 1, go up connector 72 and lower connector 71 block back, whether leading-in with the electricity of intercommunication to realize that electric heat membrane 26 generates heat.

Preferably, the temperature controller 6 is arranged on the support plate 28, the temperature sensor 5 for detecting the temperature of the liquid in the kettle body is arranged on the outer wall of the kettle body 21, the temperature sensor and the control plate 8 are electrically connected, and the control plate 8 is used for heating or heating in a disconnection mode according to the temperature of the liquid in the kettle body.

Preferably, as shown in fig. 3, the outer wall of the kettle body 21 is further provided with a handle 4 to facilitate taking and placing of the kettle body 21, in order to facilitate the assembly and disassembly of the handle 4 and the heat insulation effect with the kettle body 21, a connecting part 41 is mounted on the kettle body 21 in advance, and a soft rubber pad 43 is arranged between the handle 4 and the connecting part 41 and then fixed by bolts. In order to avoid the leakage of the fixedly connected bolts and ensure the aesthetic appearance of the whole structure, the handle cover 42 is clamped on the handle 4.

The utility model discloses still provide a concrete implementation mode, as shown in fig. 1, include, fixed part 23 is fixed in kettle body 21 with mounting panel 28 on to realize electrode 27 and electrode shell fragment 24 butt. The heating plate 25 is fixedly connected with the kettle body 21 through a sealant; the fixing part 23 is fixedly connected with at least one of the heating plate 25 and the kettle body 21; a soft pad 255 is arranged between the fixing part 23 and the kettle body 21. Specifically, kettle body 21 and hot plate 25 are sealed fixed connection through earlier, and fixed the completion back, in order to place mounting panel 28 in hot plate 25 bottom, guarantee electrode 27 and electrode shell fragment 24's butt, realize through the cooperation of fixed part 23. Wherein, the tip that kettle body 21 and hot plate 25 cooperate has the binding off structure that the diameter diminishes, hot plate 25 and this binding off part sealing connection, and the diameter of hot plate 25 is greater than the diameter of this binding off part. The fixing part 23 is an end-to-end annular structure, and has a third end 231 and a fourth end 232 along the height direction of the liquid heating container, and the annular ring of the third end 231 wraps the matching part of the closing part and the heating plate 25, and a soft pad 255 is arranged between the two parts and is fixedly connected with the two parts through screws. Through the design of binding off part, guarantee third end 231 and this partial complex stability, have better sealed effect. The fourth end 232 is fixedly connected to the mounting plate 28 by a heat insulation bolt 281. The heat insulating bolt 281 is a bolt made of a material having no heat conductive function, such as plastic. The fixing effect is not influenced, and meanwhile, the heat conduction effect is not realized, so that the heat dispersion on the heating plate 25 is avoided, and the heating efficiency is not influenced.

As an embodiment of the present application, as shown in fig. 5, the recess is a groove 251 provided at the first end of the heating plate 25. The electric heating film 26 is in a disc-shaped structure and is attached to the bottom wall of the groove 251. The structural stability of the electrothermal film 26 of laminating can be guaranteed in the design of recess 251 structure, and the stationarity is better, and can improve the heat conduction effect of hot plate 25 when the minimum reduces glass board itself shock resistance. Adopt the condition of the local burnt pot of local overheat production inside food of discoid structural style in order to avoid, laminate in recess 251 inner wall and make its heat conduction better.

Further, as shown in fig. 6 and 7, the bottom wall of the groove 251 is provided with a plurality of ribs 254, the ribs 254 are distributed annularly, gaps are arranged between adjacent ribs 254, the electrothermal film 26 is in a multi-layer annular structure, and each layer of the electrothermal film 26 is respectively located in the corresponding gap and located in the gap. Through the design of fin 254, improvement hot plate 25's that on the one hand can be further shock resistance, on the other hand, the location assembly of the electric heat membrane 26 of being convenient for improves assembly efficiency, and improves the stability of electric heat membrane 26 laminating.

In addition, no matter which form the cooperation of depressed part and electric heat membrane 26 belongs to, as preferred, along liquid heating container's direction of height, electric heat membrane 26's thickness is less than the degree of depth of recess 251 to guarantee better heat conduction effect, improve electric heat membrane 26's utilization ratio. The height of the ridge 254 is no greater than the depth of the groove 251. The processing of the heating plate 25 is convenient, and the processing cost is reduced.

And, the bottom wall of the groove 251 is further provided with a bump 252, so that the groove 251 has an annular structure. The outer peripheral wall of the bump 252 is formed with a notch 253, and the electrode 27 is located in the notch 253. Through the design of increasing the lug 252 in the middle part that is not equipped with electric heat membrane 26, make electric heat membrane 26 place in annular recess 251, improved the local thickness of hot plate 25, make its shock resistance stronger, but can not influence the heat conduction effect of glass board. The design of breach 253 is convenient for electrode 27's fixed, and is convenient for staff's location and assembly, improves the assembly efficiency between hot plate 25, electrothermal film 26 and electrode 27.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A liquid heating vessel, comprising:

a kettle body (21);

the heating plate (25) is positioned at the bottom of the kettle body (21) and is arranged along the height direction of the liquid heating container, the heating plate (25) is provided with a first end part far away from the kettle body (21), and the first end part is provided with a concave part;

an electrothermal film (26) disposed within the recess.

2. A liquid heating vessel according to claim 1, wherein said recess is a groove (251) provided at a first end of said heating plate (25);

the electric heating film (26) is in a disc-shaped structure and is attached to the bottom wall of the groove (251).

3. A liquid heating vessel as claimed in claim 2, wherein the bottom wall of said recess (251) further has a projection (252) to give said recess (251) an annular configuration.

4. A liquid heating vessel as claimed in claim 2, wherein the bottom wall of said recess (251) is provided with a plurality of ribs (254), said ribs (254) being annularly distributed with gaps between adjacent ribs (254);

the electrothermal films (26) are of a multi-layer annular structure, and the electrothermal films (26) are respectively positioned in the corresponding gaps.

5. A liquid heating vessel as claimed in claim 4, wherein the thickness of said electric heating film (26) is less than the depth of said groove (251) along the height of said vessel, and the height of said rib (254) is no greater than the depth of said groove (251).

6. A liquid heating vessel as claimed in claim 3, further comprising an electrode (27) and an electrode spring (24), said electrode (27) being connected to said electrothermal film (26) and disposed within said recess;

the electrode elastic sheet (24) is in contact fit with the electrode (27), and the electrode elastic sheet (24) is communicated with an external power supply and used for controlling the electric heating film (26) to generate heat.

7. A liquid heating vessel as claimed in claim 6, wherein the projection (252) has a peripheral wall defining a gap (253), and the electrode (27) is located within the gap (253).

8. A liquid heating vessel as claimed in claim 6 further comprising:

the electrode elastic sheet (24) is arranged on the support plate (28), and at least part of the electrode elastic sheet extends out of the support plate (28) to be abutted against the electrode (27);

the connector assembly (7) is connected with the electrode elastic sheet (24) through a lead, and the connector assembly (7) is connected with an external power supply;

the fixing part (23) is used for fixing the support plate (28) on the kettle body (21) so as to realize that the electrode (27) is abutted against the electrode elastic sheet (24).

9. A liquid heating vessel as claimed in claim 8, wherein said heating plate (25) and said vessel body (21) are fixedly connected by a sealant;

the fixing part (23) is fixedly connected with at least one of the heating plate (25) and the kettle body (21);

a soft pad (255) is arranged between the fixing part (23) and the kettle body (21).

10. A liquid heating vessel as claimed in claim 8, wherein said fixing portion (23) is fixedly connected to said bracket plate (28) by means of insulating bolts (281).

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