CN218978645U

CN218978645U - PTC fixed knot of electric stewpan constructs

Info

Publication number: CN218978645U
Application number: CN202223389586.4U
Authority: CN
Inventors: 谢文善
Original assignee: Zhongshan Cishan Electric Appliance Co ltd
Current assignee: Zhongshan Cishan Electric Appliance Co ltd
Priority date: 2022-11-25
Filing date: 2022-12-17
Publication date: 2023-05-09
Anticipated expiration: 2032-12-17
Also published as: CN219353573U

Abstract

The utility model discloses a PTC fixing structure of an electric stewpan, which comprises a heat transfer outer pan, a base, a PTC bracket, a PTC and an elastic connecting component, wherein the base is arranged below the heat transfer outer pan; the PTC bracket is fixedly connected with the heat transfer outer pot and the base respectively; the PTC bracket is provided with a supporting position; the PTC is arranged on the supporting position; the elastic connecting component is pressed between the PTC bracket and the PTC and is abutted against the lower surface of the bottom of the heat transfer outer pot; compared with the prior art, the PTC fixing structure of the electric stewpan has the advantages that after the PTC bracket is respectively connected with the heat transfer outer pan and the base, the heat transfer outer pan and the base are also connected together through the PTC bracket, and the structure is simple and practical, and the assembly is convenient; and because the elastic connecting component can counteract the pulling force of the base on the PTC bracket and make the PTC contact with the bottom of the heat transfer outer pot tightly.

Description

PTC fixed knot of electric stewpan constructs

Technical Field

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

Background

The existing electric stewpot generally comprises a shell, a heat transfer outer pot, a ceramic pot and a PTC heater, wherein the heat transfer outer pot is provided with a connecting structure, the PTC heater is usually installed at the bottom of the heat transfer outer pot, the heat transfer outer pot is connected with the shell, when the electric stewpot is assembled, the PTC heater is firstly fixed at the bottom of the heat transfer outer pot, and a special PTC bracket is needed to be used for installing the PTC heater when the PTC heater is fixed, that is, the PTC heater is firstly fixed on the PTC bracket, after the PTC is fixed at the bottom of the heat transfer outer pot, the base of the shell is then fixed on the connecting structure of the heat transfer outer pot, if the tensile force is too large, the PTC bracket is connected with the PTC bracket through screws, deformation of the PTC bracket is caused when the screws are installed, the PTC bracket cannot be pressed at the bottom of the heat transfer outer pot, heat generated by the PTC cannot be effectively transmitted to the heat transfer outer pot, and heating efficiency and normal work of the electric stewpot are affected.

Disclosure of Invention

The utility model aims to provide a PTC fixing structure of an electric stewpan, which is used for solving the technical problems.

A PTC fixing structure of an electric stewpan, comprising:

a heat transfer outer pan;

the base is arranged below the heat transfer outer pot;

the PTC bracket is fixedly connected with the heat transfer outer pot and the base respectively; the PTC bracket is provided with a supporting position;

a PTC provided on the support;

and the elastic connecting component is pressed between the PTC bracket and the PTC and abuts the PTC on the lower surface of the bottom of the heat transfer outer pot.

According to one embodiment of the utility model, the elastic connection assembly comprises a spring, a spring seat is arranged on the PTC support, and the spring is sleeved on the spring seat and is pressed between the PTC support and the PTC.

According to an embodiment of the utility model, the elastic connecting assembly further comprises a third screw, the spring seat is provided with a threaded hole penetrating through the spring seat up and down, the third screw is in threaded connection with the threaded hole, and the spring is sleeved on the third screw.

According to one embodiment of the utility model, the PTC bracket comprises a U-shaped body, a first extending part and a second extending part are arranged on two sides of the U-shaped body, the first extending part is formed by outwards extending the upper edge of the U-shaped body, the second extending part is formed by outwards extending the outer edge of the first extending part, the supporting position is formed by folding the edge of the U-shaped body, and the connecting part of the elastic connecting component and the PTC bracket is positioned on the first extending part.

According to one embodiment of the utility model, the second extension part is fixedly connected with the heat transfer outer pot, and the U-shaped body is fixedly connected with the base.

According to one embodiment of the utility model, the support position comprises a vertical part and a support part, wherein the vertical part is formed by upwards folding the lower edges of the front side and the rear side of the U-shaped body, and the support part is arranged at the upper end of the vertical part and is formed by outwards folding the vertical part.

According to an embodiment of the present utility model, the support portion abuts against the PTC upper surface.

According to an embodiment of the utility model, the supporting position further comprises a first limiting part and a second limiting part, wherein the first limiting part is formed by upwards folding the supporting part, and the second limiting part is formed by upwards folding the upper edges of the left side and the right side of the U-shaped body.

According to an embodiment of the utility model, the first and second stopper portions abut against the PTC sides.

Compared with the prior art, the PTC fixing structure of the electric stewpan has the following advantages:

according to the PTC fixing structure of the electric stewing pan, after the PTC bracket is respectively connected with the heat transfer outer pan and the base, the heat transfer outer pan and the base are also connected together through the PTC bracket, so that the structure is simple and practical, and the assembly is convenient; and because the elastic connecting component can counteract the pulling force of the base on the PTC bracket and make the PTC contact with the bottom of the heat transfer outer pot tightly.

Drawings

FIG. 1 is an exploded view of a PTC fixing structure of an electric stewpan according to the present utility model;

FIG. 2 is a cross-sectional view of the PTC fixing structure of the electric stewpan of the present utility model;

fig. 3 is a schematic view of the PTC bracket of fig. 1;

in the figure: 1. the heat transfer outer pan, 2. Base, 3.PTC holder, 3a. U-shaped body, 3b. First extension, 3c. Second extension, 31. First connection position, 32. Second connection position, 33. Support position, 331. Vertical portion, 332. Support portion, 333. First limit portion, 334. Second limit portion, 34. Spring seat, 4.PTC, 5. Elastic connection assembly, 51. Spring, 52. Third screw

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 and 2, a PTC fixing structure of an electric stewpan comprises a heat transfer outer pan 1, a base 2, a PTC bracket 3, a PTC4 and an elastic connection assembly 5, wherein the base 2 is arranged below the heat transfer outer pan 1; the PTC bracket 3 is fixedly connected with the heat transfer outer pot 1 and the base 2 respectively; the PTC bracket 3 is provided with a supporting position 33; the PTC4 is arranged on the supporting position 33; the elastic connection component 5 is pressed between the PTC bracket 3 and the PTC4 and abuts the PTC4 against the bottom lower surface of the heat transfer outer pan 1. According to the PTC fixing structure of the electric stewing pan, after the PTC bracket 3 is respectively connected with the heat transfer outer pan 1 and the base 2, the heat transfer outer pan 1 and the base 2 are also connected together through the PTC bracket 3, so that the structure is simple and practical, and the assembly is convenient; and because the existence of the elastic connecting component 5 can counteract the pulling force of the base 2 on the PTC bracket 3, and the PTC4 is abutted against the lower surface of the bottom of the heat transfer outer pot 1, the PTC4 can be tightly contacted with the bottom of the heat transfer outer pot 1.

Referring to fig. 1 to 3, in the PTC fixing structure of the electric stewpan according to the present utility model, the elastic connection assembly 5 includes a spring 51, the PTC support 3 is provided with a spring seat 34, and the spring 51 is sleeved on the spring seat 34 and is pressed between the PTC support 3 and the PTC4. After the PTC support 3 is connected with the bottom of the heat transfer outer pot 1 and the base 2, the base 2 has a downward pulling force on the PTC support 3, so that the PTC4 on the support position 33 cannot be tightly connected with the bottom of the heat transfer outer pot 1 easily, heat conduction of the PTC4 to the heat transfer outer pot 1 is affected, and an upward pressure is generated on the PTC4 when the spring 51 is extruded and deformed through the arrangement of the spring 51 between the PTC support 3 and the PTC4, so that the PTC4 is tightly connected with the bottom of the heat transfer outer pot 1 all the time.

Referring to fig. 1 and 3, in the PTC fixing structure of the electric stewpan according to the present utility model, the elastic connection assembly 5 further includes a third screw 52, the spring seat 34 is provided with a threaded hole penetrating the spring seat 34 up and down, the third screw 52 is screwed into the threaded hole, and the spring 51 is sleeved on the third screw 52. The spring 51 is sleeved on the third screw 52, and the third screw 52 limits the deformation direction of the spring 51, so that the spring 51 can only deform in the vertical direction and cannot twist or pop out from between the PTC bracket 3 and the PTC4.

Referring to fig. 1 to 3, in the PTC fixing structure of the electric stewpan according to the present utility model, the PTC bracket 3 includes a U-shaped body 3a, a first extension portion 3b and a second extension portion 3c are disposed on two sides of the U-shaped body 3a, the first extension portion 3b is formed by extending the upper edge of the U-shaped body 3a outwards, the second extension portion 3c is formed by extending the outer edge of the first extension portion 3b outwards, the support position 33 is formed by folding over the edge of the U-shaped body 3a, and the connection portion between the elastic connection assembly 5 and the PTC bracket 3 is located at the first extension portion 3b. The upper edges of the two sides of the U-shaped body 3a extend outwards to form a first extension part 3b, the first extension part 3b is provided with a spring seat 34, when the PTC4 is fixed, a second screw passes through the base 2 upwards from the bottom of the base 2 and is connected with the U-shaped body 3a of the PTC bracket 3 so as to connect the PTC bracket 3 with the base 2, then a third screw 52 is screwed into the spring seat 34, the third screw 52 extends out of the spring seat 34, and the spring 51 is sleeved on the third screw 52; then, the PTC4 is placed on the support position 33, and then the first screw is made to pass through the bottom of the heat transfer outer pot 1 and the second extension portion 3c of the PTC support 3 downwards from the inside of the heat transfer outer pot 1 to connect the PTC support 3 with the heat transfer outer pot 1, after the PTC support 3 is connected with the heat transfer outer pot 1, the PTC4 is pressed on the bottom of the heat transfer outer pot 1, and simultaneously the elastic force of the spring 51 can counteract the downward pulling force of the base 2 on the PTC support 3, so that the PTC4 is abutted with the bottom of the heat transfer outer pot 1. In addition, because a gap exists between the base 2 and the bottom of the heat transfer outer pot 1, the gap is used for installing an electric control device, and the U-shaped body 3a is arranged on the PTC bracket 3 and is connected with the base 2, the height difference of the connection position of the PTC bracket 3 and the base 2 can be reduced.

Referring to fig. 1 to 3, in the PTC fixing structure of the electric stewpan according to the present utility model, the second extension portion 3c is fixedly connected to the heat transfer outer pan 1, and the U-shaped body 3a is fixedly connected to the base 2. In the illustrated embodiment, the PTC bracket 3 further has a first connection location 31 and a second connection location 32, the first connection location 31 is provided on the second extension portion 3c, the second connection location 32 is provided on the U-shaped body 3a, the first connection location 31 is connected with the bottom of the heat transfer outer pan 1 through a first screw, and the second connection location 32 is connected with the base 2 through a second screw. According to the PTC fixing structure of the electric stewing pan, the supporting position 33 comprises the vertical portion 331 and the supporting portion 332, the vertical portion 331 is formed by upwardly turning the lower edges of the front side and the rear side of the U-shaped body 3a, and the supporting portion 332 is arranged at the upper end of the vertical portion 331 and is formed by outwardly turning the vertical portion 331. The support portion 332 is horizontally disposed, and the PTC4 is supported by the support portion 332 and abuts against the bottom of the heat transfer outer pan 1 by the spring 51.

Referring to fig. 2, the PTC fixing structure of the electric stewpan of the present utility model, the support portion 332 abuts against the upper surface of the PTC4. The support portion 332 supports the PTC4 when the PTC4 is placed on the support position 33.

Referring to fig. 2 and 3, in the PTC fixing structure of the electric stewpan according to the present utility model, the supporting portion 33 further includes a first limiting portion 333 and a second limiting portion 334, the first limiting portion 333 is formed by upwardly folding the supporting portion 332, and the second limiting portion 334 is formed by upwardly folding the upper edges of the left and right sides of the U-shaped body 3a. After the PTC4 is placed on the supporting portion 332, the first limiting portions 333 on the front and rear sides limit the PTC4 from the front and rear sides of the PTC4, and the second limiting portions 334 on the left and right sides limit the PTC4 from the left and right sides of the PTC4, thereby preventing the PTC4 from being displaced.

Referring to fig. 2 and 3, in the PTC fixing structure of the electric stewpan of the present utility model, the first limiting portion 333 and the second limiting portion 334 abut against the side surface of the PTC4. When the PTC4 is placed on the support portion 33, the support portion 332 abuts against the upper surface of the PTC4 and supports the PTC4, and the first and

second stopper portions

333 and 334 abut against the side of the PTC4 and stopper the PTC4, preventing the PTC4 from falling from the support portion 332.

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. A PTC fixing structure of an electric stewpan, comprising:

a heat transfer outer pan (1);

a base (2) arranged below the heat transfer outer pot (1);

the PTC bracket (3) is respectively and fixedly connected with the heat transfer outer pot (1) and the base (2); the PTC bracket (3) is provided with a supporting position (33);

a PTC (4) provided on the support (33);

and an elastic connection component (5) which is pressed between the PTC bracket (3) and the PTC (4) and is used for abutting the PTC (4) to the lower surface of the bottom of the heat transfer outer pot (1).

2. The PTC fixing structure of an electric stewpan according to claim 1, wherein the elastic connection assembly (5) comprises a spring (51), a spring seat (34) is provided on the PTC support (3), and the spring (51) is sleeved on the spring seat (34) and is pressed between the PTC support (3) and the PTC (4).

3. The PTC fixing structure for an electric stewpan according to claim 2, wherein the elastic connection assembly (5) further comprises a third screw (52), the spring seat (34) is provided with a threaded hole penetrating through the spring seat (34) up and down, the third screw (52) is screwed into the threaded hole, and the spring (51) is sleeved on the third screw (52).

4. The PTC fixing structure of an electric stewpan according to claim 1, wherein the PTC bracket (3) comprises a U-shaped body (3 a), a first extension portion (3 b) and a second extension portion (3 c) are provided on both sides of the U-shaped body (3 a), the first extension portion (3 b) is formed by extending the upper edge of the U-shaped body (3 a) outwards, the second extension portion (3 c) is formed by extending the outer edge of the first extension portion (3 b) outwards, the support position (33) is formed by folding the edge of the U-shaped body (3 a), and the connection portion of the elastic connection assembly (5) and the PTC bracket (3) is located at the first extension portion (3 b).

5. The PTC fixing structure of an electric stewpan according to claim 4, wherein the second extension portion (3 c) is fixedly connected with the heat transfer outer pan (1), and the U-shaped body (3 a) is fixedly connected with the base (2).

6. The PTC fixing structure of an electric stewpan according to claim 4, wherein the supporting portion (33) comprises a vertical portion (331) and a supporting portion (332), the vertical portion (331) is formed by upwardly folding lower edges of front and rear sides of the U-shaped body (3 a), and the supporting portion (332) is provided at an upper end of the vertical portion (331) and is formed by outwardly folding the vertical portion (331).

7. The PTC fixing structure of an electric stewpan according to claim 6, wherein the support portion (332) abuts against the upper surface of the PTC (4).

8. The PTC fixing structure of an electric stewpan according to claim 5, wherein the support portion (33) further comprises a first stopper portion (333) and a second stopper portion (334), the first stopper portion (333) being formed by the upward folding of the support portion (332), and the second stopper portion (334) being formed by the upward folding of the upper edges of the left and right sides of the U-shaped body (3 a).

9. The PTC fixing structure of an electric stewpan according to claim 8, wherein the first and second stopper portions (333, 334) abut against the PTC (4) side.