CN219661471U

CN219661471U - Electric stewpan

Info

Publication number: CN219661471U
Application number: CN202223588800.9U
Authority: CN
Inventors: 谢文善
Original assignee: Zhongshan Cishan Electric Appliance Co ltd
Current assignee: Zhongshan Cishan Electric Appliance Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-09-12
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses an electric stewpan, comprising: the shell is of a double-layer structure and comprises a shell and an aluminum liner arranged in the shell; the base is arranged at the bottom of the shell; the heating assembly comprises a PTC (Positive temperature coefficient) and a heating belt, wherein the PTC is connected to the bottom of the aluminum liner, and the heating belt is arranged on the outer wall surface of the side wall of the aluminum liner; the ceramic pot is detachably arranged in the aluminum liner; compared with the prior art, the electric stewpot provided by the utility model has the advantages that the PTC heats the aluminum liner from the bottom of the aluminum liner, the heating belt heats the periphery of the aluminum liner from the side wall of the aluminum liner, so that the three-dimensional heating is realized, the temperature of the aluminum liner is stable, the characteristic of slow heat conduction of ceramic can be made up, and the ceramic pot is uniformly heated as a whole.

Description

Electric stewpan

Technical Field

The utility model relates to the technical field of small household appliances, in particular to an electric stewpan.

Background

The electric stewpan generally comprises a shell, a ceramic pot and a PTC heater, wherein the shell comprises a shell and an aluminum liner, the PTC heater is arranged at the bottom of the aluminum liner, the ceramic pot is placed in the aluminum liner when the electric stewpan works, after a power supply is supplied, the PTC heating cavity heats and heats the bottom of the aluminum liner, and the aluminum liner heats and transmits temperature to the ceramic pot to heat food materials in the ceramic pot. The heating mode is that the PTC heater heats the bottom of the aluminum liner, heat is transferred upwards from the bottom of the aluminum liner, so that the side wall of the aluminum liner and the bottom of the ceramic pot are heated, but the side wall of the ceramic pot is heated, heat is transferred from the side wall of the aluminum liner, and the ceramic pot is heated unevenly in the mode of heating only the bottom of the aluminum liner.

Disclosure of Invention

The utility model aims to provide an electric stewpan which is used for solving the technical problems.

An electric stewpan, comprising:

the shell is of a double-layer structure and comprises a shell and an aluminum liner arranged in the shell;

the base is arranged at the bottom of the shell;

the heating assembly comprises a PTC (Positive temperature coefficient) and a heating belt, wherein the PTC is connected to the bottom of the aluminum liner, and the heating belt is arranged on the outer wall surface of the side wall of the aluminum liner;

the ceramic pot is detachably arranged in the aluminum liner.

According to one embodiment of the utility model, the heating belt is ring-shaped with a notch, and the two free ends of the heating belt are connected through the heating belt locking spring.

According to one embodiment of the utility model, the heating belt comprises a heating inner belt and a connecting outer belt, the upper edge of the heating inner belt is turned downwards, the lower edge of the heating inner belt is turned upwards, a clamping position is formed on the outer side of the heating inner belt, the connecting outer belt is sleeved in the clamping position, and two free ends of the connecting outer belt are connected through a heating belt locking spring.

According to one embodiment of the utility model, the outer side wall surface of the heating inner annular belt is provided with the convex part, the connecting outer annular belt is provided with the avoidance hole corresponding to the convex part, and the convex part is arranged in the avoidance hole when the connecting outer annular belt is connected in the clamping position of the heating inner annular belt.

According to one embodiment of the utility model, the length of the connecting outer ring belt is longer than that of the heating inner ring belt, the two free ends of the connecting outer ring belt extend out of the clamping positions of the heating inner ring belt, the outer side wall surfaces of the two free ends of the connecting outer ring belt are provided with the buckling positions, and the two ends of the heating belt locking spring are respectively connected with the buckling positions on the corresponding sides.

According to an embodiment of the present utility model, the heating assembly further includes a PTC support having a first connection location, a second connection location, and a third connection location, the first connection location being connected with the bottom of the aluminum container, the second connection location being connected with the base, the third connection location being connected with the PTC.

According to one embodiment of the utility model, the PTC bracket comprises a U-shaped body, wherein a first extension part and a second extension part are arranged on two sides of the U-shaped body, the first extension part is formed by outwards extending the upper edge of the U-shaped body, and the second extension part is formed by outwards extending the outer edge of the first extension part.

According to one embodiment of the utility model, the first connecting position is arranged on the second extending part, the second connecting position is arranged on the U-shaped body, the third connecting position is arranged on the first extending part, and the first screw penetrates through the bottom of the aluminum liner from the inside of the aluminum liner to be connected with the first connecting position; the second screw is used for connecting the base with the second connecting position, the PTC is provided with a connecting hole, and the third screw penetrates through the third connecting position and stretches into the connecting hole to connect the PTC with the PTC bracket.

According to one embodiment of the utility model, the third screw is sleeved with a spring, and the spring is pressed between the PTC and the PTC bracket after the PTC is connected with the PTC bracket.

According to one embodiment of the utility model, the bottom of the base is raised upwards and a connecting seat is formed on the upper surface of the base, a groove is formed on the lower surface of the base, and a second screw penetrates through the groove and extends out of the connecting seat to be connected with a second connecting position.

Compared with the prior art, the electric stewpan has the following advantages:

according to the electric stewing pot, the PTC heats the aluminum liner from the bottom of the aluminum liner, the heating belt heats the periphery of the aluminum liner from the side wall of the aluminum liner, so that three-dimensional heating is realized, the temperature of the aluminum liner is stable, the characteristic of slow heat conduction of ceramic can be made up, and the whole ceramic pot is heated uniformly.

Drawings

FIG. 1 is a cross-sectional view of an electric stewpan of the present utility model;

FIG. 2 is a cross-sectional view of the electric stewpan of the present utility model in another orientation;

FIG. 3 is an exploded view of the electric stewpan of the present utility model with the housing and ceramic pan removed;

in the figure: 1. the shell, 11, the shell, 111, the connecting position, 12, the aluminum liner, 2, the base, 21, the connecting seat, 22, the supporting column, 23, the buckling position, 3, the heating component, 31, PTC, 311, the connecting hole, 32, the heating belt, 321, the heating belt locking spring, 322, the heating inner annular belt, 323, the connecting outer annular belt, and the heating belt. PTC support, 33a, U-shaped body, 33b, first extension, 33c, second extension, 33d, U-shaped connecting portion, 331, first connecting position, 332, second connecting position, 333, third connecting position, 4, ceramic pot, 5, spring, 6, first heat insulating pad, 7, second heat insulating pad

The implementation and advantages of the functions of the present utility model will be further described with reference to the accompanying drawings.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indicators (such as up, down, left and right, front and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth in order to provide a further understanding of the utility model, and are intended to be described in connection with the accompanying drawings:

referring to fig. 1 to 3, the utility model discloses an electric stewpan, which comprises a shell 1, a base 2, a heating component 3 and a ceramic pan 4, wherein the shell 1 has a double-layer structure and comprises a shell 11 and an aluminum liner 12 arranged in the shell 11; the base 2 is arranged at the bottom of the shell 1; the heating component 3 comprises a PTC31 and a heating belt 32, wherein the PTC31 is connected to the bottom of the aluminum liner 12, and the heating belt 32 is arranged on the outer wall surface of the side wall of the aluminum liner 12; the ceramic pot 4 is detachably arranged in the aluminum liner 12. When the electric stewing pot is used, the ceramic pot 4 is placed in the aluminum liner 12, then the power supply of the electric stewing pot is connected, after the power supply is connected, the heating component 3 is connected into a circuit, the PTC31 and the heating belt 32 start to generate heat and transfer the heat to the aluminum liner 12, and the heat is transferred to the ceramic pot 4 through the aluminum liner 12, so that food materials in the ceramic pot 4 heater are enabled. According to the electric stewpan, the PTC31 heats the aluminum liner 12 from the bottom of the aluminum liner 12, the heating belt 32 heats the periphery of the aluminum liner 12 from the side wall of the aluminum liner 12, so that three-dimensional heating is realized, the temperature of the aluminum liner 12 is stable, the characteristic of slow ceramic heat conduction can be made up, and the ceramic stewpan 4 is uniformly heated as a whole.

Referring to fig. 3, the electric stewpan of the present utility model has a heating band 32 with a ring shape having a notch, and two free ends of the heating band 32 are connected by a heating band locking spring 321. The heating belt locking spring 321 is used for tightly hooping the heating belt 32 on the outer wall surface of the aluminum liner 12, so that the position of the heating belt 32 can be adjusted at any time, and the heating belt locking spring 321 has elasticity, so that the aluminum liner 12 cannot be deformed while hooping the heating belt 32.

Referring to fig. 3, the electric stewpan of the present utility model, the heating band 32 includes a heating inner band 322 and a connecting outer band 323, the upper edge of the heating inner band 322 is turned down, the lower edge is turned up, a clamping position is formed on the outer side of the heating inner band 322, the connecting outer band 323 is sleeved in the clamping position, and two free ends of the connecting outer band 323 are connected through the heating band locking spring 321. After the two free ends of the connecting outer ring belt 323 are connected by the heating belt locking spring 321, the connecting outer ring belt 323 hoops the heating inner ring belt 322 on the outer wall surface of the aluminum liner 12, and makes the heating inner ring belt 322 cling to the outer wall surface of the aluminum liner 12, and after the heating belt 32 is connected into a circuit, the heating inner ring belt 322 heats and transfers heat to the aluminum liner 12.

Referring to fig. 3, in the electric stewpan of the present utility model, a protrusion is provided on an outer side wall surface of the heating inner ring belt 322, a corresponding avoiding hole is provided on the connecting outer ring belt 323, and the protrusion is placed in the avoiding hole when the connecting outer ring belt 323 is connected to the clamping position of the heating inner ring belt 322. After the connecting outer ring belt 323 is connected to the inside of the locking position of the heat generating inner ring belt 322, the protruding portion is connected to the avoiding hole, and the connecting outer ring belt 323 cannot move in the locking position of the heat generating inner ring belt 322.

Referring to fig. 3, in the electric stewpan of the present utility model, the length of the connecting outer ring belt 323 is longer than the length of the heating inner ring belt 322, and two free ends thereof extend out of the clamping positions of the heating inner ring belt 322, the outer side wall surfaces of the two free ends of the connecting outer ring belt 323 are provided with buckling positions, and two ends of the heating belt locking spring 321 are respectively connected with buckling positions on corresponding sides. After the connecting outer ring belt 323 is fitted into the locking position of the heating inner ring belt 322, both ends of the connecting outer ring belt 323 are protruded from the locking position of the heating inner ring belt 322, and then two of the heating belt locking springs 321 are respectively connected with the corresponding side locking positions, so that the connecting outer ring belt 323 clamps the heating inner ring belt 322 on the outer wall surface of the aluminum container 12.

Referring to fig. 3, the electric stewpan of the present utility model, the heating component 3 further includes a PTC support 33, the PTC support 33 has a first connection location 331, a second connection location 332 and a third connection location 333, the first connection location 331 is connected with the bottom of the aluminum bladder 12, the second connection location 332 is connected with the base 2, and the third connection location 333 is connected with the PTC31. After the PTC bracket 33 is connected with the aluminum liner 12 and the base 2 respectively, the aluminum liner 12 and the base 2 are also connected together through the PTC bracket 33, the PTC bracket 33 not only can be used for supporting and fixing the PTC31, but also becomes a connecting structure for connecting the aluminum liner 12 and the base 2, and the structure is simple and practical, and the assembly is convenient.

Referring to fig. 3, the PTC bracket 33 of the electric stewpan of the present utility model comprises a U-shaped body 33a, wherein a first extension portion 33b and a second extension portion 33c are disposed on two sides of the U-shaped body 33a, the first extension portion 33b is formed by extending the upper edge of the U-shaped body 33a outwards, and the second extension portion 33c is formed by extending the outer edge of the first extension portion 33b outwards. In a specific application, the first connecting position 331 is disposed on the second extension portion 33c, the second connecting position 332 is disposed on the U-shaped body 33a, the third connecting position 333 is disposed on the first extension portion 33b, and the first screw passes through the bottom of the aluminum container 12 from the inside of the aluminum container 12 to be connected with the first connecting position 331; the second screw connects the base 2 with the second connection position 332, the PTC31 is provided with a connection hole 311, and the third screw passes through the third connection position 333 and extends into the connection hole 311 to connect the PTC31 with the PTC bracket 33. The upper edges of the two sides of the U-shaped body 33a extend outwards to form a first extension part 33b, a third connection position 333 is arranged on the first extension part 33b, when the PTC31 is fixed, a third screw passes through the third connection position 333 and a connection hole 311 on the PTC31 to connect the PTC31 with the PTC support 33, then the first screw passes downwards from the inside of the aluminum container 12 to connect the PTC support 33 with the aluminum container 12 through the bottom of the aluminum container 12 and a first connection position 331 on a second extension part 33c of the PTC support 33, after the PTC support 33 is connected with the aluminum container 12, the PTC31 is pressed on the bottom of the aluminum container 12, finally the second screw passes upwards from the bottom of the base 2 to connect the PTC support 33 with a second connection position 332 on the U-shaped body 33a of the PTC support 33, and the base 2 can be connected with the base 2 simultaneously with the aluminum container 12 through the PTC support 33. In addition, because a gap exists between the base 2 and the bottom of the aluminum liner 12 and is used for installing an electric control device, the U-shaped body 33a is arranged on the PTC bracket 33 and is connected with the base 2, the height difference of the connection position of the PTC bracket 33 and the base 2 can be reduced

Referring to fig. 1 and 2, in the electric stewpan of the present utility model, a concave cavity is formed at the bottom of the aluminum liner 12, the connection between the first extension portion 33b and the aluminum liner 12 is located in the concave cavity at the bottom of the aluminum liner 12, and the connection between the second extension portion 33c and the aluminum liner 12 is located at a position outside the concave cavity at the bottom of the aluminum liner 12. Thus, after the second extension portion 33c is connected to the aluminum can 12, the first extension portion 33b is aligned with the cavity at the bottom of the aluminum can 12, and the gap between the first extension portion 33b and the cavity at the bottom of the aluminum can 12 is used for accommodating the PTC31.

Referring to fig. 3, in the electric stewpan of the present utility model, a U-shaped connecting portion 33d is disposed between the first extending portion 33b and the second extending portion 33c, and two upper edges of the U-shaped connecting portion 33d are respectively connected to the first extending portion 33b and the second extending portion 33c. The U-shaped connection portion 33d reduces the area of the PTC support 33 and the portion close to the aluminum can 12 and the PTC31, reduces conduction of heat to the PTC support 33 as much as possible, and avoids affecting performance of the electric device in the gap between the base 2 and the bottom of the aluminum can 12. Meanwhile, the U-shaped connecting portion 33d corresponds to the U-shaped body 33a, and strength of the PTC holder 33 is enhanced.

Referring to fig. 1 to 3, the electric stewpan of the present utility model has a spring 5 sleeved on the third screw, and the spring 5 is pressed between the PTC31 and the PTC bracket 33 after the PTC31 and the PTC bracket 33 are connected. After the PTC support 33 is connected to the base 2 and fixed by the second screw, the second screw generates a downward tension on the PTC support 33, the tension may slightly deform the U-shaped body 33a of the PTC support 33 and cause the first extension portion 33b to also generate a downward deformation tendency, which may affect the fixation of the PTC31 between the PTC support 33 and the bottom of the aluminum container 12, and the third screw is sleeved with a spring 5, where the spring 5 generates an upward elastic force on the PTC31, and may counteract the tension of the second screw pulling the PTC support 33 downward, so that the PTC31 is firmly connected to the bottom of the aluminum container 12.

Referring to fig. 1 to 3, in the electric stewpan of the present utility model, the bottom of the base 2 is protruded upward and a connection seat 21 is formed on the upper surface of the base 2, a groove is formed on the lower surface of the base 2, and a second screw is inserted through the groove and extends out of the connection seat 21 to be connected with a second connection position 332. Because there is the clearance between the bottom of base 2 and aluminium courage 12, set up connecting seat 21 in the bottom of base 2 can further reduce the interval of the junction of base 2 and PTC support 33, make PTC support 33 can with base 2 firm in connection to after connecting seat 21 and PTC support 33 are connected, also can make aluminium courage 12 and base 2 firm in connection.

Referring to fig. 1 to 3, the electric stewpan of the present utility model is provided with a first heat insulation pad 6 sleeved on the second screw. Because the PTC bracket 33 is connected with the PTC31 and the aluminum liner 12, after the PTC31 is electrified and generates heat, the heat of the PTC31 and the aluminum liner 12 can be transferred to the PTC bracket 33, and the first heat insulation pad 6 is sleeved on the second screw, so that the heat on the PTC bracket 33 can be prevented from being transferred to the connecting seat 21 through the second screw; while avoiding excessive temperatures of the second screw melting the connecting seat 21.

Referring to fig. 1 and 3, the electric stewing pan base 2 of the present utility model is provided with a plurality of support columns 22 located inside, wherein the support columns 22 are used for supporting the aluminum liner 12. After the PTC bracket 33 is simultaneously connected with the base 2 and the aluminum container 12, the support column 22 is supported at the bottom of the aluminum container 12, so that the base 2 and the aluminum container 12 can be more firmly connected.

Referring to fig. 1 and 3, the upper ends of the support columns 22 are connected with the second heat insulation pad 7, and after the aluminum liner 12 is connected with the base 2 through the PTC bracket 33, the second heat insulation pad 7 is located between the bottom of the aluminum liner 12 and the support columns 22. The second heat insulation pad 7 can avoid the excessive heat of the aluminum liner 12, and the support column 22 is melted.

Referring to fig. 3, in the electric stewpan of the present utility model, a fastening position 23 is provided on an outer wall surface of an upper end of a base 2, a connecting position 111 is provided on an inner wall surface of a lower end of a housing 11, and when the base 2 is connected with a casing 1, the connecting position 111 is fastened in the fastening position 23.

According to the electric stewpan, the PTC31 heats the aluminum liner 12 from the bottom of the aluminum liner 12, the heating belt 32 heats the periphery of the aluminum liner 12 from the side wall of the aluminum liner 12, so that three-dimensional heating is realized, the temperature of the aluminum liner 12 is stable, the characteristic of slow ceramic heat conduction can be made up, and the ceramic stewpan 4 is uniformly heated as a whole.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. An electric stewpan, comprising:

the shell (1) is of a double-layer structure and comprises a shell (11) and an aluminum liner (12) arranged in the shell (11);

a base (2) provided at the bottom of the housing (1);

the heating assembly (3) comprises a PTC (31) and a heating belt (32), wherein the PTC (31) is connected to the bottom of the aluminum liner (12), and the heating belt (32) is arranged on the outer wall surface of the side wall of the aluminum liner (12);

and the ceramic pot (4) is detachably arranged in the aluminum liner (12).

2. The electric stewpan according to claim 1, wherein the heating band (32) is ring-shaped with a notch, and both free ends of the heating band (32) are connected by a heating band locking spring (321).

3. The electric stewpan according to claim 2, wherein the heating band (32) comprises a heating inner band (322) and a connecting outer band (323), the upper edge of the heating inner band (322) is turned downwards, the lower edge is turned upwards, a clamping position is formed on the outer side of the heating inner band (322), the connecting outer band (323) is sleeved in the clamping position, and two free ends of the connecting outer band (323) are connected through the heating band locking spring (321).

4. An electric stewpan according to claim 3, wherein the outer side wall surface of the heating inner endless belt (322) is provided with a protruding portion, the connecting outer endless belt (323) is provided with a avoiding hole corresponding to the protruding portion, and when the connecting outer endless belt (323) is connected to the clamping position of the heating inner endless belt (322), the protruding portion is arranged in the avoiding hole.

5. An electric stewpan according to claim 3, wherein the length of the connecting outer endless belt (323) is greater than that of the heating inner endless belt (322) and two free ends thereof extend out of the clamping positions of the heating inner endless belt (322), buckling positions are arranged on the outer side wall surfaces of the two free ends of the connecting outer endless belt (323), and two ends of the heating belt locking spring (321) are respectively connected with the buckling positions of the corresponding sides.

6. The electric stewpan according to claim 1, wherein the heating assembly (3) further comprises a PTC support (33), the PTC support (33) having a first connection location (331), a second connection location (332) and a third connection location (333), the first connection location (331) being connected with the bottom of the aluminum bladder (12), the second connection location (332) being connected with the base (2), the third connection location (333) being connected with the PTC (31).

7. An electric stewpan according to claim 6, wherein the PTC support (33) comprises a U-shaped body (33 a), both sides of the U-shaped body (33 a) being provided with a first extension (33 b) and a second extension (33 c), the first extension (33 b) being formed by the upper edge of the U-shaped body (33 a) extending outwards, and the second extension (33 c) being formed by the outer edge of the first extension (33 b) extending outwards.

8. The electric stewpan according to claim 7, characterized in that the first connection location (331) is provided in the second extension (33 c), the second connection location (332) is provided in the U-shaped body (33 a), the third connection location (333) is provided in the first extension (33 b), and a first screw is connected to the first connection location (331) from the inside of the aluminum bladder (12) through the bottom of the aluminum bladder (12); the second screw is used for connecting the base (2) with the second connecting position (332), the PTC (31) is provided with a connecting hole (311), and the third screw penetrates through the third connecting position (333) and stretches into the connecting hole (311) to connect the PTC (31) with the PTC bracket (33).

9. An electric stewpan according to claim 8, characterized in that the third screw is sleeved with a spring (5), the spring (5) being pressed between the PTC (31) and the PTC bracket (33) after the PTC (31) and the PTC bracket (33) are connected.

10. The electric stewpan according to claim 9, wherein the bottom of the base (2) protrudes upwards and forms a connecting seat (21) on the upper surface of the base (2), a recess is formed on the lower surface of the base (2), and the second screw passes through the recess and protrudes out of the connecting seat (21) to connect with the second connecting location (332).