CN211704253U - Heating unit for heating of electric cooker - Google Patents
Heating unit for heating of electric cooker Download PDFInfo
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- CN211704253U CN211704253U CN202020239920.XU CN202020239920U CN211704253U CN 211704253 U CN211704253 U CN 211704253U CN 202020239920 U CN202020239920 U CN 202020239920U CN 211704253 U CN211704253 U CN 211704253U
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Abstract
The utility model discloses a heating unit for heating electric rice cooker, which comprises a heating plate structure and a crimping elastic sheet, wherein the heating plate structure is used for heating to generate heat, and the crimping elastic sheet is used for elastically pressing the heating plate structure on an outer liner of the electric rice cooker so as to enable the heating plate structure to be tightly attached to the outer liner of the electric rice cooker; the utility model discloses utilize the crimping shell fragment can compress tightly whole heating plate structure elasticity on the outer courage lateral wall of rice cooker, can heat the outer courage lateral wall of rice cooker, improve the heating efficiency of whole rice cooker, the heating is more even.
Description
Technical Field
The utility model relates to an electric rice cooker heating device technical field especially relates to a heating unit of electric rice cooker heating usefulness.
Background
Most of the existing electric cookers adopt traditional nickel-chromium wires and electromagnetism as heating sources, the two heating sources can only heat the bottom of an outer container of the electric cooker, and the problems of low heating efficiency and uneven heating exist.
Disclosure of Invention
The utility model aims to overcome the defects and provide a heating unit for heating an electric cooker.
In order to achieve the above purpose, the specific scheme of the utility model is as follows:
a heating unit for heating of an electric cooker comprises a heating plate structure and a compression joint elastic sheet, wherein the heating plate structure is used for heating to generate heat, and the compression joint elastic sheet is used for elastically compressing the heating plate structure on an outer liner of the electric cooker so as to enable the heating plate structure to be tightly attached to the outer liner of the electric cooker.
Wherein, the heating plate structure is including the heat-generating body, insulating layer and the insulating briquetting that have positive and negative electrode, the insulating layer is attached on the heating body surface for insulating completely cut off between heat-generating body and the crimping shell fragment, insulating briquetting can be dismantled and connect on the heat-generating body, be equipped with two first terminals and two second terminals on the insulating briquetting, two the one end of first terminal is connected respectively on insulating briquetting, two the other end of first terminal respectively with the positive and negative electrode electric connection of heat-generating body, two the one end of second terminal is connected respectively on insulating briquetting to correspond respectively with two first terminal electric connection, two the other end of second terminal is used for with external power electric connection.
Wherein, the heating element is made of nanometer rare earth materials.
The first terminal is arranged in a bent mode, the other end of the first terminal is provided with a cylindrical boss, and the cylindrical boss is abutted to the heating body so that the first terminal is electrically conducted with the heating body.
The compression joint elastic piece comprises a main body part, a first elastic foot and a second elastic foot which are integrally formed, the first elastic foot extends downwards or obliquely downwards from one side of the main body part, the second elastic foot extends upwards or obliquely upwards from the other side of the main body part, the first elastic foot is used for being abutted against a heating plate structure arranged on the bottom of the outer liner of the electric cooker, and the second elastic foot is used for being abutted against the heating plate structure arranged on the side wall of the outer liner of the electric cooker so as to fasten the heating plate structure on the outer liner of the electric cooker.
The first elastic foot comprises a bending arm, a horizontal connecting arm and a first contact arm, the bending arm is formed by extending downwards or obliquely downwards from the middle of one side of the main body part, the horizontal connecting arm is formed by extending horizontally from the other end of the bending arm, the first contact arm is formed by extending upwards or obliquely upwards from the other end of the horizontal connecting arm, and the first contact arm is used for being abutted to the heating plate structure; the free end part of the first contact arm is arc-shaped, and the outer arc surface of the first contact arm is abutted with the heating plate structure.
The other side of the main body part extends upwards or obliquely upwards to form a first side wall, and the second elastic foot extends upwards or obliquely upwards through the first side wall; two second elastic feet extend from the first side wall at intervals.
The second elastic foot comprises a first connecting arm and a second contact arm, two ends of the first connecting arm are respectively connected with the first side wall and the second contact arm, and the second contact arm is used for being abutted to the heating plate structure; the free end part of the second contact arm is arc-shaped, and the outer arc surface of the second contact arm is abutted with the heating plate structure.
The width of the second elastic foot is gradually widened from the first connecting arm to the second contact arm.
Wherein, a second side wall extends upwards or obliquely upwards from one side of the main body part.
The utility model has the advantages that: compared with the prior art, the utility model discloses utilize the crimping shell fragment can compress tightly the structure elasticity of generating heat plate on the bottom and the lateral wall of rice cooker outer courage, form cladding formula three-dimensional heating, improve heating efficiency greatly, the heating is more even, and the board structure easy dismounting that generates heat does benefit to the later maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of a part of the structure of the heating plate of the present invention;
fig. 3 is a schematic structural view of a middle compression joint spring plate of the present invention;
FIG. 4 is a schematic view of the electric cooker mounted on the outer container;
description of reference numerals: 1-heating plate structure; 11-a heating element; 12-an insulating layer; 13-insulating compact; 14-a first terminal; 141-cylindrical bosses; 15-a second terminal; 2-pressing the elastic sheet; 21-a main body portion; 211-mounting holes; 212-a first side wall; 213-a second sidewall; 22-a first springfoot; 221-bending arms; 222-horizontal connecting arm; 223-a first contact arm; 23-a second springfoot; 231-first connecting arm; 232-second contact arm.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the heating unit for heating an electric cooker in this embodiment includes a heating plate structure 1 and a pressing spring piece 2, wherein the heating plate structure 1 is used for heating to generate heat, and the pressing spring piece 2 is used for elastically pressing the heating plate structure 1 against an outer liner of the electric cooker so as to tightly attach the heating plate structure 1 to the outer liner of the electric cooker.
In this embodiment, the heating panel structure 1 includes a heating element 11 having positive and negative electrodes, an insulating layer 12 and an insulating compact 13, the insulating layer 12 is attached on the surface of the heating element 11, and is used for insulating and isolating the heating element 11 and the compression joint elastic sheet 2, the insulating layer 12 is a high-temperature resistant mica sheet, the insulating pressing block 13 is detachably connected to the heating element 11, two first terminals 14 and two second terminals 15 are arranged on the insulating pressing block 13, one end of each of the two first terminals 14 is connected to the insulating pressing block 13, the other end of each of the two first terminals 14 is electrically connected with the positive electrode and the negative electrode of the heating element 11, one end of each of the two second terminals 15 is connected to the insulating pressing block 13, and are respectively and correspondingly electrically connected with the two first terminals 14, and the other ends of the two second terminals 15 are used for electrically connecting with an external power supply.
During assembly, two threaded columns are connected to the heating element 11 at intervals, the insulating pressing block 13 is sleeved on the two connecting columns, the insulating pressing block 13 is made of high-temperature-resistant ceramic materials, the two first terminals 14 and the two second terminals 15 are correspondingly connected to the insulating pressing block 13, free ends of the two first terminals 14 are respectively abutted to positive and negative electrodes of the heating element 11, then the insulating pressing block 13 is fastened on the heating element 11 through matching of nuts and the threaded columns, so that the free ends of the two first terminals 14 are pressed on the positive and negative electrodes of the heating element 11, the first terminals 14 are always contacted with the positive and negative electrodes of the heating element 11, the first terminals 14 are electrically conducted with the second terminals 15, and the second terminals 15 are electrically conducted with an external power supply through a wire splicing mode, so that the external power supply is input to the heating element 11 to drive the heating element 11 to work, and the heating element 11 is heated, the power supply connection mode of the heating body 11 is greatly simplified, and the installation is more convenient and rapid; the compression joint elastic sheet 2 is detachably connected to the outer liner of the electric cooker, and supports are provided for the compression joint elastic sheet 2 to elastically compress the heating plate structure 1.
Then utilize crimping shell fragment 2 elasticity to act on the insulating layer 12 of heating plate structure 1, and then can compress tightly whole heating plate structure 1 elasticity on the outer courage of rice cooker, make heating plate structure 1 paste and lean on the outer courage of rice cooker, the heat transmits to the outer courage of rice cooker more fast, can heat the rice cooker, improves the heating efficiency of whole rice cooker, and the heating is even, and elasticity crimping heating plate structure 1 simultaneously, easy dismounting does benefit to later maintenance.
So can set up a plurality of heating units on the lateral wall of the outer container of the rice cooker at interval, namely a plurality of heating plate structure 1 surround on the lateral wall of the outer container of the rice cooker, as the auxiliary heating source, the appearance can be made into the square structure, press the contact spring lamination 2 fastening one as the main heating source at the bottom of the outer container of the rice cooker through every heating unit is circular heating plate structure 1 at the same time, as shown in figure 4, form and heat the cladding type stereoscopic heating of the outer container of the rice cooker like this, heat the food in the electric cooker, make the outer container heated area of the rice cooker greatly increase, heating efficiency greatly improve, it is more even to heat, and adopt a plurality of independent heating plate structures 1 as the heating source, the power is low, the radiation is low, and the power decay is reduced, guarantee the life and safe.
In the embodiment, the heating plate structure 1 can be elastically pressed on the bottom and the side wall of the outer liner of the electric cooker by utilizing the compression joint elastic sheet 2 to form cladding type three-dimensional heating, so that the heating efficiency is greatly improved, the heating is more uniform, and the heating plate structure is convenient to disassemble and assemble and is beneficial to later maintenance; meanwhile, the first terminal 14 and the second terminal 15 on the insulating pressing block 13 are utilized to realize the electrical conduction of the heating plate structure 1 and an external power supply, the structural mode of the conduction of the heating plate structure 1 and the external power supply is simplified, and the installation is more convenient and faster.
In the heating unit for heating the electric cooker, the heating body 11 is made of the nano rare earth material, so that the heating is rapid, the power is low, the heating unit is environment-friendly and safe, and no harmful substance is released.
In the heating unit for heating the electric rice cooker according to the embodiment, as shown in fig. 2, the first terminal 14 is bent, and the other end of the first terminal 14 is provided with a cylindrical boss 141, and the cylindrical boss 141 is abutted against the heating element 11, so that the first terminal 14 is electrically conducted with the heating element 11. Through setting up cylinder boss 141, do benefit to the positive and negative electrode contact of first terminal 14 and heating plate structure 1, keep the electrical property to switch on.
As shown in fig. 1, 3 and 4, the press-connecting elastic sheet 2 is made of a metal material, the press-connecting elastic sheet 2 includes a main body 21, a first elastic leg 22 and a second elastic leg 23, the main body 21, the first elastic leg 22 and the second elastic leg are integrally formed, the first elastic leg 22 extends downward or obliquely downward from one side of the main body 21, the second elastic leg 23 extends upward or obliquely upward from the other side of the main body 21, the first elastic leg 22 is used for abutting against the heating plate structure 1 mounted on the bottom of the outer liner of the electric cooker, and the second elastic leg 23 is used for abutting against the heating plate structure 1 mounted on the side wall of the outer liner of the electric cooker so as to fasten the heating plate structure 1 on the outer liner of the electric cooker. In this embodiment, it is preferable that the first spring leg 22 is formed to extend obliquely upward through one side of the main body 21 so that the first spring leg 22 can provide a sufficient elastic force to the heating plate structure 1 on the bottom of the outer pot, and the second spring leg 23 is formed to extend obliquely upward through an end of the main body 21 so that the second spring leg 23 can be brought into contact with the heating plate structure 1 on the side wall of the outer pot.
In practical use, in order to facilitate installation of the whole compression-joint elastic sheet 2, the main body part 21 may be provided with an installation hole 211 for connecting with the outer liner of the electric cooker, specifically, two ends of the main body part 21 are respectively provided with an installation hole 211, then screws are used to penetrate through the installation holes 211 to be detachably connected with the outer liner of the electric cooker, so as to position the whole compression-joint elastic sheet 2 on the outer liner of the electric cooker, so as to provide support for elastic abutment of the first elastic foot 22 and the second elastic foot 23, then the heating plate structure 1 is attached to the side wall and the bottom of the outer liner of the electric cooker, the first elastic foot 22 of the compression-joint elastic sheet 2 of each heating unit is elastically abutted against the heating plate structure 1 on the bottom of the outer liner of the electric cooker, the second elastic foot 23 of the compression-joint elastic sheet 2 is elastically abutted against the heating plate structure 1 on the side wall of the outer liner of the electric cooker, and both the first elastic, the heating plate structure 1 can be loosened by correspondingly applying external force to the first elastic pin 22 or the second elastic pin 23 of the compression-joint elastic sheet 2 when the heating plate structure 1 needs to be disassembled, so that the compression-joint elastic sheet 2 is convenient to disassemble and assemble and is convenient for later maintenance; in addition, by arranging the first elastic foot 22, a fastening device is not required to be arranged separately for the heating plate structure 1 arranged at the bottom of the outer container of the electric cooker, the structure is simplified, and the manufacturing cost is reduced.
As shown in fig. 1, 3 and 4, the first spring leg 22 includes a bending arm 221, a horizontal connecting arm 222 and a first contact arm 223, the bending arm 221 is formed by extending downward or obliquely downward from the middle of one side of the main body portion 21, the horizontal connecting arm 222 is formed by extending horizontally from the other end of the bending arm 221, the first contact arm 223 is formed by extending upward or obliquely upward from the other end of the horizontal connecting arm 222, and the first contact arm 223 is used for abutting against the heat-generating plate structure 1; specifically, through the bending action of the bending arm 221, the first contact arm 223 is convenient to elastically abut against the heating plate structure 1, the horizontal connecting arm 222 is parallel to the main body portion 21, and the first contact arm 223 is connected to the horizontal connecting arm 222, so that the first contact arm 223 abuts against the heating plate structure 1 mounted at the bottom of the outer liner of the electric cooker, the elastic supporting force of the first contact arm 223 is guaranteed to vertically act on the heating plate structure 1, the heating plate structure 1 is enabled to be firmly fixed at the bottom of the outer liner of the electric cooker, and position deviation cannot occur. In this embodiment, the free end of the first contact arm 223 is arc-shaped, and the extrados surface of the first contact arm 223 abuts against the heat-generating plate structure 1; so set up, do benefit to the protection heating plate structure 1, avoid first contact arm 223 to damage the insulating layer 12 of heating plate structure 1.
In the heating unit for heating the rice cooker according to this embodiment, the other side of the main body 21 extends upward or obliquely upward to form a first sidewall 212, and the second spring leg 23 extends upward or obliquely upward through the first sidewall 212; preferably, the first side wall 212 extends obliquely upward through the other side of the main body 21, and the second spring leg 23 extends obliquely upward through the first side wall 212, so that the second spring leg 23 is connected more firmly, and at the same time, a larger elastic clamping force can be provided. Two second elastic feet 23 extend from the first side wall 212 at intervals; so set up, make heating plate structure 1 more firmly install on rice cooker outer courage lateral wall.
As shown in fig. 1, 3 and 4, the second spring leg 23 includes a first connecting arm 231 and a second contact arm 232, both ends of the first connecting arm 231 are respectively connected to the first side wall 212 and the second contact arm 232, and the second contact arm 232 is used for abutting against the heat generating plate structure 1; thus, the second contact arm 232 is elastically abutted against the heating plate structure 1 to provide an elastic clamping force for the heating plate structure 1, so as to achieve the purpose of fastening. The free end of the second contact arm 232 is arc-shaped, and the outer arc surface of the second contact arm 232 is abutted to the heating plate structure 1, so that the second contact arm 232 is prevented from damaging the insulating layer 12 of the heating plate structure 1.
In the heating unit for heating the electric rice cooker according to the present embodiment, the width of the second spring leg 23 gradually increases from the first contact arm 231 to the second contact arm 232; the arrangement is such that the second spring leg 23 has sufficient elastic clamping force to act on the heat-generating board structure 1.
In the heating unit for heating the electric rice cooker according to this embodiment, a second side wall 213 extends upward or obliquely upward from one side of the main body 21; with the arrangement, the second sidewall 213 provides a supporting force for the heating plate structure 1 mounted on the sidewall of the outer liner of the electric cooker, so that the structure is firmer.
The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The heating unit for heating of the electric cooker is characterized by comprising a heating plate structure (1) and a compression joint elastic sheet (2), wherein the heating plate structure (1) is used for heating to generate heat, and the compression joint elastic sheet (2) is used for elastically pressing the heating plate structure (1) on an outer liner of the electric cooker so as to enable the heating plate structure (1) to be tightly attached to the outer liner of the electric cooker.
2. The heating unit for heating of the electric rice cooker according to claim 1, wherein the heating plate structure (1) comprises a heating body (11) having positive and negative electrodes, an insulating layer (12) and an insulating pressing block (13), the insulating layer (12) is attached to the surface of the heating body (11) and is used for insulating and isolating the heating body (11) and the pressing elastic sheet (2), the insulating pressing block (13) is detachably connected to the heating body (11), two first terminals (14) and two second terminals (15) are arranged on the insulating pressing block (13), one ends of the two first terminals (14) are respectively connected to the insulating pressing block (13), the other ends of the two first terminals (14) are respectively electrically connected to the positive and negative electrodes of the heating body (11), one ends of the two second terminals (15) are respectively connected to the insulating pressing block (13), and are respectively and correspondingly electrically connected with the two first terminals (14), and the other ends of the two second terminals (15) are used for being electrically connected with an external power supply.
3. The heating unit for heating of electric rice cooker as claimed in claim 2, wherein said heating body (11) is a heating body made of nano rare earth material.
4. The heating unit for heating the electric rice cooker according to claim 2, wherein the first terminal (14) is bent, and a cylindrical boss (141) is provided at the other end of the first terminal (14), and the cylindrical boss (141) abuts against the heating element (11) to electrically connect the first terminal (14) and the heating element (11).
5. The heating unit for heating the rice cooker according to claim 1, wherein the pressing elastic sheet (2) comprises a main body part (21), a first elastic foot (22) and a second elastic foot (23) which are integrally formed, the first elastic foot (22) is formed by extending one side of the main body part (21) downwards or obliquely downwards, the second elastic foot (23) is formed by extending the other side of the main body part (21) upwards or obliquely upwards, the first elastic foot (22) is used for abutting against the heating plate structure (1) installed on the bottom of the outer liner of the rice cooker, and the second elastic foot (23) is used for abutting against the heating plate structure (1) installed on the side wall of the outer liner of the rice cooker so as to fasten the heating plate structure (1) on the outer liner of the rice cooker.
6. The heating unit for heating the rice cooker according to claim 5, wherein the first spring leg (22) comprises a bending arm (221), a horizontal connecting arm (222) and a first contact arm (223), the bending arm (221) is formed by extending downwards or obliquely downwards from the middle of one side of the main body part (21), the horizontal connecting arm (222) is formed by extending horizontally from the other end of the bending arm (221), the first contact arm (223) is formed by extending upwards or obliquely upwards from the other end of the horizontal connecting arm (222), and the first contact arm (223) is used for abutting against the heating plate structure (1); the free end part of the first contact arm (223) is arc-shaped, and the extrados surface of the first contact arm (223) is abutted to the heating plate structure (1).
7. The heating unit for heating the rice cooker according to claim 5, wherein the other side of the main body (21) extends upward or obliquely upward to form a first sidewall (212), and the second spring leg (23) extends upward or obliquely upward through the first sidewall (212); two second elastic feet (23) extend on the first side wall (212) at intervals.
8. The heating unit for heating the rice cooker according to claim 7, wherein the second spring leg (23) comprises a first connecting arm (231) and a second contact arm (232), both ends of the first connecting arm (231) are respectively connected with the first side wall (212) and the second contact arm (232), and the second contact arm (232) is used for abutting against the heating plate structure (1); the free end part of the second contact arm (232) is arc-shaped, and the extrados surface of the second contact arm (232) is abutted to the heating plate structure (1).
9. The heating unit for heating of rice cooker as claimed in claim 8, wherein the width of the second spring leg (23) is gradually widened from the first contact arm (231) to the second contact arm (232).
10. The heating unit for heating of a rice cooker as claimed in claim 5, wherein a second sidewall (213) extends upward or obliquely upward from one side of the main body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239920.XU CN211704253U (en) | 2020-03-03 | 2020-03-03 | Heating unit for heating of electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239920.XU CN211704253U (en) | 2020-03-03 | 2020-03-03 | Heating unit for heating of electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211704253U true CN211704253U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020239920.XU Active CN211704253U (en) | 2020-03-03 | 2020-03-03 | Heating unit for heating of electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211704253U (en) |
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2020
- 2020-03-03 CN CN202020239920.XU patent/CN211704253U/en active Active
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