CN216361400U

CN216361400U - Electromagnetic oven

Info

Publication number: CN216361400U
Application number: CN202123248955.3U
Authority: CN
Inventors: 孙永军; 陈海舵; 雷治春
Original assignee: Zhongshan Xind Electric Appliance Manufacturing Co ltd
Current assignee: Zhongshan Xind Electric Appliance Manufacturing Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-04-22
Anticipated expiration: 2031-12-22

Abstract

The utility model provides an electromagnetic oven, includes the heat insulating part, still includes the thermal-insulated ring that meets with the heat insulating part, and the centre of heat insulating part is protruding upwards to be provided with the arch, and the thermal-insulated ring is located bellied outside and the bottom crimping of thermal-insulated ring at the top edge of heat insulating part, and the inner wall of thermal-insulated ring encloses into heating chamber jointly with bellied outer wall, and the solenoid setting that forms via the strap coiling is in heating chamber. The induction cooker also comprises a mica sheet, and the lower edge of the heat insulation piece is pressed on the mica sheet. The induction cooker also comprises a hollow insulating support disc, the heat insulation piece and the mica sheet are arranged in the insulating support disc, and the heat insulation ring is clamped between the protrusion and the inner wall of the insulating support disc. The utility model has the characteristics of good stability and long service life.

Description

Electromagnetic oven

Technical Field

The utility model relates to an induction cooker.

Background

Chinese patent document No. CN 104930561 a discloses an induction cooker in 09/23/2015, which belongs to the field of household appliances, and comprises an electromagnetic coil tray frame, an electromagnetic coil, a rotary conductive structure and a motor; the rotary conductive structure comprises a bearing seat provided with a bearing and a conductive driven rotating shaft synchronously rotating with the electromagnetic coil plate frame, and the motor is provided with a driving shaft for driving the electromagnetic coil plate frame to rotate; the central axis of the electromagnetic coil and the central axis of rotation of the electromagnetic coil disk rack are located on different straight lines, the axis of the conductive driven rotating shaft and the central axis of rotation of the electromagnetic coil disk rack are located on the same straight line, and the electromagnetic coil is connected with the conductive driven rotating shaft. At present, all electromagnetic coils are wound by enameled wires, when the electromagnetic coils are wet or the temperature of the coils is too high, the electromagnetic coils are easily damaged, the stability is poor, and the structure is complex after the electromagnetic coils are cooled by a fan, so that the heat cannot be fully utilized, users are not satisfied, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an induction cooker with good stability and long service life so as to overcome the defects in the prior art.

The electromagnetic oven designed according to the purpose comprises a heat insulation piece and is structurally characterized by further comprising a heat insulation ring connected with the heat insulation piece, wherein a protrusion is arranged in the middle of the heat insulation piece in an upward protruding mode, the heat insulation ring is located on the outer side of the protrusion, the bottom of the heat insulation ring is in compression joint with the upper edge of the heat insulation piece, the inner wall of the heat insulation ring and the outer wall of the protrusion form a heating cavity together in a surrounding mode, and an electromagnetic coil formed by winding a metal strip is arranged in the heating cavity.

Further, the induction cooker also comprises a mica sheet, and the lower edge of the heat insulation piece is in compression joint with the mica sheet.

Further, the induction cooker also comprises a hollow insulating support disc, the heat insulation piece and the mica sheet are arranged in the insulating support disc, and the heat insulation ring is clamped between the protrusion and the inner wall of the insulating support disc.

Furthermore, the induction cooker also comprises a hollow binding post, a first positioning hole is formed in the heat insulation piece, a second positioning hole is formed in the mica sheet, a third positioning hole is formed in the insulating support disc, the first positioning hole, the second positioning hole and the third positioning hole are arranged coaxially, the upper portion of the binding post penetrates through the third positioning hole and the second positioning hole in sequence and then is inserted into the first positioning hole, a limiting boss is arranged on the outer wall of the lower portion of the binding post, and the bottom of the mica sheet is pressed on the limiting boss.

Further, the electromagnetism stove still includes the magnetic stripe, and the bottom of insulating support dish is provided with a plurality of thermal-insulated muscle that are radial along circumference interval, should insulate against heat on the muscle along its length direction interval be provided with a plurality of assembly grooves, and the magnetic stripe setting is in the assembly groove, and the magnetic stripe is located the below of mica sheet.

The middle of the heat insulation piece is provided with a bulge in an upward protruding mode, the heat insulation ring is located on the outer side of the bulge, the bottom of the heat insulation ring is in compression joint with the upper edge of the heat insulation piece, the inner wall of the heat insulation ring and the outer wall of the bulge jointly enclose a heating chamber, and an electromagnetic coil formed by winding a metal strip is arranged in the heating chamber; because the electromagnetic coil is formed by winding the metal belt, an enameled wire is not needed, and the phenomenon that the electromagnetic disc is damaged due to turn-to-turn short circuit caused by factors such as high temperature and dampness of the coil does not exist, the stability of the electromagnetic coil is improved, and the service life of the electromagnetic coil is prolonged. In addition, the heat that needs to set up radiator fan in the ordinary electromagnetism stove and produce solenoid dispels the heat, the inner space and the structural complexity of product have been increased like this, and because the solenoid of this product is formed by the strap coiling, the heat that solenoid itself produced can not produce any influence to solenoid, consequently, this product can all be used for the heating with all heats that produce, the heat gathering is in the relatively inclosed heating chamber that is enclosed by heat insulating ring and heat insulating part, and the heat up transmits cooking utensil, thereby the energy consumption utilization ratio of this product has been improved.

In conclusion, the utility model has the characteristics of good stability and long service life.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

FIG. 2 is an exploded view of the present invention from another perspective.

Fig. 3 is a schematic perspective view of the assembled structure of the present invention.

FIG. 4 is a cross-sectional view of the present invention with the heating wire and the electromagnetic coil removed.

In the figure: 1 is the heat insulating ring, 3 is solenoid, 4 is the heat insulating part, 4.1 is first locating hole, 4.3 is the arch, 5 is the mica sheet, 5.1 is the second locating hole, 6 is the magnetic stripe, 7 is the insulating support dish, 7.1 is the third locating hole, 7.2 is the assembly groove, 9 is the terminal.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1-4, the electromagnetic oven comprises a heat insulating piece 4 and a heat insulating ring 1 connected with the heat insulating piece 4, wherein a protrusion 4.3 protrudes upwards from the middle of the heat insulating piece 4, the heat insulating ring 1 is positioned outside the protrusion 4.3, the bottom of the heat insulating ring 1 is pressed on the upper edge of the heat insulating piece 4, the inner wall of the heat insulating ring 1 and the outer wall of the protrusion 4.3 jointly form a heating chamber, and an electromagnetic coil 3 formed by winding a metal strip is arranged in the heating chamber.

In this embodiment, when installing, only need to put into the thermal-insulated ring by the insulating support dish with can accomplish the assembly fast between the arch on the heat insulating part to the assembly rate of product has been improved.

More specifically, the heat insulation piece is a heat insulation disc or a heat insulation board.

The induction cooker also comprises a mica sheet 5, and the lower edge of the heat insulation piece 4 is in compression joint with the mica sheet 5.

In this embodiment, the mica sheet plays an insulating and heat dissipating role, and the influence of the downward heat transfer on other components is avoided.

The induction cooker also comprises a hollow insulating support disc 7, the heat insulation piece 4 and the mica sheet 5 are arranged in the insulating support disc 7, and the heat insulation ring 1 is clamped between the protrusion 4.3 and the inner wall of the insulating support disc 7.

In this embodiment, the insulating support plate is made of a high temperature resistant material that cannot be heated by electromagnetic energy.

The induction cooker also comprises a hollow binding post, a first positioning hole 4.1 is formed in the heat insulation piece 4, a second positioning hole 5.1 is formed in the mica sheet 5, a third positioning hole 7.1 is formed in the insulation support disc 7, the first positioning hole 4.1, the second positioning hole 5.1 and the third positioning hole 7.1 are arranged in a coaxial mode, the upper portion of the binding post sequentially penetrates through the third positioning hole 7.1, the first positioning hole 4.1 is inserted into the second positioning hole 5.1, a limiting boss is arranged on the outer wall of the lower portion of the binding post, and the bottom of the mica sheet 5 is pressed on the limiting boss.

More specifically, the binding post is of a structure with a small upper part and a large lower part.

The induction cooker further comprises a magnetic stripe 6, a plurality of radial heat insulation ribs are arranged at the bottom of the insulating support disc 7 at intervals along the circumferential direction, a plurality of assembling grooves 7.2 are arranged on the heat insulation ribs at intervals along the length direction of the heat insulation ribs, the magnetic stripe 6 is arranged in the assembling grooves 7.2, and the magnetic stripe 6 is located below the mica sheets 5.

In this embodiment, because the magnetic permeability of the magnetic strip is high, the magnetic lines of force emitted by the electromagnetic coil can be gathered, and the magnetic field intensity acting on the cooking utensil is increased, so that the heating efficiency is increased.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an induction cooker, including heat insulating part (4), characterized by still includes heat insulating ring (1) that meets with heat insulating part (4), the centre of heat insulating part (4) is protruding upwards and is provided with arch (4.3), heat insulating ring (1) is located the outside of arch (4.3) and the bottom crimping of heat insulating ring (1) is at the top edge of heat insulating part (4), the inner wall of heat insulating ring (1) encloses into heating chamber jointly with the outer wall of arch (4.3), solenoid (3) that form via the strap coiling set up in heating chamber.

2. The induction cooker according to claim 1, further comprising a mica sheet (5), wherein the lower edge of the heat insulating member (4) is press-fitted to the mica sheet (5).

3. The induction cooker according to claim 2, further comprising a hollow insulating support plate (7), wherein the heat insulating member (4) and the mica sheet (5) are disposed in the insulating support plate (7), and the heat insulating ring (1) is sandwiched between the protrusion (4.3) and the inner wall of the insulating support plate (7).

4. The induction cooker according to claim 3, further comprising a hollow terminal (9), wherein the heat insulating member (4) is provided with a first positioning hole (4.1), the mica sheet (5) is provided with a second positioning hole (5.1), the insulating support plate (7) is provided with a third positioning hole (7.1), the first positioning hole (4.1), the second positioning hole (5.1) and the third positioning hole (7.1) are coaxially arranged, the upper portion of the terminal (9) sequentially penetrates through the third positioning hole (7.1) and the second positioning hole (5.1) and then is inserted into the first positioning hole (4.1), the outer wall of the lower portion of the terminal (9) is provided with a limiting boss, and the bottom of the mica sheet (5) is pressed on the limiting boss.

5. The induction cooker according to claim 3, further comprising a magnetic stripe (6), wherein the bottom of the insulating support disk (7) is provided with a plurality of radial heat insulating ribs at intervals along the circumferential direction, the heat insulating ribs are provided with a plurality of assembling grooves (7.1) at intervals along the length direction, the magnetic stripe (6) is arranged in the assembling grooves (7.1), and the magnetic stripe (6) is positioned below the mica sheet (5).