CN213395438U

CN213395438U - Electromagnetic oven

Info

Publication number: CN213395438U
Application number: CN202022345695.0U
Authority: CN
Inventors: 沈术平
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-08
Anticipated expiration: 2030-10-20

Abstract

The utility model provides an electromagnetic oven, include: the lower cover, the middle frame, the upper cover and the panel; the lower cover and the upper cover are respectively connected to two sides of the middle frame, the panel is connected to the upper cover, and the lower cover, the middle frame, the upper cover and the panel are jointly surrounded to form an accommodating cavity; the middle frame comprises a side wall and a top wall, the top wall is connected between the side wall and the upper cover, a support rib is convexly arranged on the lower cover, and the support rib abuts against the edge area, close to the upper cover, of the top wall. The utility model provides an electromagnetic oven, which can solve the problem that the middle frame deforms and collapses downwards.

Description

Electromagnetic oven

Technical Field

The utility model relates to a domestic appliance technique especially relates to an electromagnetism stove.

Background

With the progress of science and technology and the improvement of living standard of people, the induction cooker is widely used and gradually becomes a necessary appliance for a kitchen. When the induction cooker works, high-frequency alternating current passes through the coil panel to enable the bottom of a pot placed on the induction cooker to generate eddy current, so that the pot arranged on the induction cooker is heated.

In the prior art, the housing of the induction cooker may include a center frame and an upper cover, which is attached to an opening on a top wall of the center frame.

Under the effect of self gravity or when receiving external force oppression, the center can take place to warp and collapse downwards, leads to the gap increase between center and the upper cover, influences the aesthetic property of outward appearance on the one hand, and on the other hand can have into water, safety risks such as electrocute.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electromagnetic oven, which can solve the problem that the middle frame deforms and collapses downwards.

The utility model provides an electromagnetic oven, include: the lower cover, the middle frame, the upper cover and the panel; the lower cover and the upper cover are respectively connected to two sides of the middle frame, the panel is connected to the upper cover, and the lower cover, the middle frame, the upper cover and the panel are jointly surrounded to form an accommodating cavity; the middle frame comprises a side wall and a top wall, the top wall is connected between the side wall and the upper cover, a support rib is convexly arranged on the lower cover, and the support rib abuts against the edge area, close to the upper cover, of the top wall.

The utility model provides an electromagnetism stove, through set up the brace rod in the lower cover of electromagnetism stove, with the roof of supporting the center, strengthen the structural strength of the roof of center, prevent that the center from taking place to warp when perhaps receiving external force oppression and collapsing downwards under self action of gravity, with the gap increase between the roof of avoiding the center and the upper cover, can improve the aesthetic property of the outward appearance of electromagnetism stove on the one hand, on the other hand, can avoid intaking that the gap between center and the upper cover leads to, the scheduling problem electrocutes, can improve the security of electromagnetism stove.

In one possible embodiment, the projection of the support rib on the lower cover is in a closed figure.

The projection of the support rib on the lower cover is a closed figure, so that the structural strength of the support rib can be further improved.

In a possible implementation manner, a fan is arranged in the accommodating cavity, a wind-blocking ring is convexly arranged on the lower cover, the wind-blocking ring surrounds the outer side of the fan, and the support rib is connected with the wind-blocking ring.

The supporting rib can be connected with the wind shield ring of the fan in the lower cover, the structural strength of the supporting rib can be improved, and meanwhile, the space occupied by the supporting rib is small, so that the miniaturization design of the induction cooker is facilitated.

In a possible embodiment, the support ribs and a projection of a part of the windshield ring on the lower cover form a closed figure.

The support rib and the fan wind-shield ring are connected to form a closed graph, so that the structural strength of the support rib can be further improved, and meanwhile, the space occupied by the support rib is small, thereby being beneficial to the miniaturization design of the induction cooker.

In a possible implementation manner, the support rib comprises a first rib position, a second rib position and a third rib position which are sequentially connected, the first rib position and the third rib position are oppositely arranged, and the first rib position and the third rib position are respectively connected with the wind blocking ring.

By the arrangement, the supporting ribs are simple in structure and small in occupied space.

In a possible embodiment, the height of the support rib protruding relative to the lower cover is greater than the height of the windshield ring protruding relative to the lower cover.

Set up like this, can be so that brace rod and roof butt, guarantee simultaneously that the ring of keeping out the wind can not take place to interfere with the roof.

In a possible embodiment, the number of the supporting ribs is at least two, and at least two supporting ribs are arranged at intervals.

Set up two at least brace bars, can strengthen the structural strength in a plurality of regions of the roof of center to guarantee the reliability of the supporting role of brace bar.

In a possible implementation manner, a reinforcing rib is arranged on the middle frame, the reinforcing rib is located in an edge area of the top wall, which is close to the upper cover, the reinforcing rib is arranged on an inner wall surface of the top wall, which faces the lower cover in a protruding manner, and the supporting rib abuts against the reinforcing rib.

The strengthening rib can set up to the annular, and the strengthening rib encloses the opening edge of establishing at the roof for strengthen the marginal area's of roof structural strength, guarantee that the roof can be effectively supported by the brace rod.

In a possible implementation manner, a waterproof rib is further arranged on the middle frame, the waterproof rib is arranged around the edge area, close to the upper cover, of the top wall, and the waterproof rib is arranged on the outer wall surface, deviating from the lower cover, of the top wall in a protruding mode.

Under the stopping of waterproof muscle, liquid on the roof of center can't get into inside the electromagnetism stove from the gap between center and the upper cover, therefore waterproof muscle can play effectual water-proof effects. And set up waterproof muscle, can overcome the waterproof mode of gluing and adorning the sealing washer and have spare part quantity many, the structure is complicated, the operation is difficult for high shortcoming.

In one possible embodiment, the support rib and the lower cover are bonded; or, the support rib and the lower cover are integrally formed through injection molding.

The support rib has simple structure, simple manufacturing process and low cost.

The utility model provides an electromagnetism stove, through set up the brace rod in the lower cover of electromagnetism stove, with the roof of supporting the center, strengthen the structural strength of the roof of center, prevent that the center from taking place to warp when perhaps receiving external force oppression and collapsing downwards under self action of gravity, with the gap increase between the roof of avoiding the center and the upper cover, can improve the aesthetic property of the outward appearance of electromagnetism stove on the one hand, on the other hand, can avoid intaking that the gap between center and the upper cover leads to, the scheduling problem electrocutes, can improve the security of electromagnetism stove. And the support rib can be connected with the fan wind shield ring in the lower cover to form a closed figure so as to improve the structural strength of the support rib, and meanwhile, the support rib occupies small space and is beneficial to the miniaturization design of the induction cooker.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an induction cooker according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a panel, an upper cover, a middle frame and a lower cover according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of the upper cover, the middle frame and the lower cover according to the embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is an exploded schematic view of a middle frame and a lower cover according to an embodiment of the present invention;

FIG. 6 is an enlarged view at B in FIG. 5;

fig. 7 is a schematic top view of an assembled middle frame and lower cover according to an embodiment of the present invention;

fig. 8 is a schematic top view of a lower cover according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a support rib and a wind-break ring provided in an embodiment of the present invention;

fig. 10a, 10b, and 10c are schematic structural views of a support rib and a wind deflector according to an embodiment of the present invention;

fig. 11 is a schematic view of a partial assembly of a support rib and a middle frame according to an embodiment of the present invention;

fig. 12 is a schematic view of a partial assembly of the support rib, the middle frame and the upper cover according to an embodiment of the present invention.

Description of reference numerals:

100-lower cover;

11-a support rib;

111-first rib position;

112-second rib position;

113-third tendon position;

12-a wind-shield ring;

200-middle frame;

21-a side wall;

22-a top wall;

23-reinforcing ribs;

24-waterproof ribs;

300-an upper cover;

400-panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, which are used to indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention is described below with reference to the accompanying drawings in connection with specific embodiments.

Fig. 1 is the structural schematic diagram of the induction cooker provided by the embodiment of the present invention, fig. 2 is the explosion schematic diagram of the panel and the upper cover, the middle frame, and the lower cover provided by the embodiment of the present invention, fig. 3 is the explosion schematic diagram of the upper cover and the middle frame, the lower cover provided by the embodiment of the present invention, fig. 4 is the explosion schematic diagram of the middle frame and the lower cover provided by the embodiment of the present invention in fig. 3 in the enlarged diagram of a position in fig. 5, and fig. 6 is the enlarged diagram of a position in fig. 5 in B. Referring to fig. 1 to 6, the present invention provides an induction cooker, including: a lower cover 100, a middle frame 200, an upper cover 300, and a panel 400. The lower cover 100 and the upper cover 300 are respectively connected to two sides of the middle frame 200, the panel 400 is connected to the upper cover 300, and the lower cover 100, the middle frame 200, the upper cover 300 and the panel 400 jointly enclose to form an accommodating cavity.

The accommodating cavity is provided with a coil panel, a fan, a display panel, a power panel (not shown) and other structures. Wherein, the coil panel is used for under the effect of high frequency alternating current, makes the pan bottom of placing on the panel 400 produce the vortex to play the heating effect. The coil panel, the display panel and the power panel are main heating elements, and the fan is used for playing a role in heat dissipation. The display panel is used for providing a light source for the functional area of the induction cooker, the display lamp on the display panel is controlled to emit light, the working state can be indicated for a user through the functional area, and the functional area is also provided with a touch panel or buttons and knobs to receive the operation of the user, so that the functions of switching on and off, adjusting firepower, switching modes and the like of the induction cooker are realized.

The lower cover 100 and the middle frame 200 may be of a split structure, connected together by a screw, a buckle, or an integrally formed structure. The middle frame 200 is integrally in an annular frame structure, the upper side and the lower side of the middle frame 200 are both in an open structure, the lower cover 100 is connected to the lower opening of the middle frame 200, the upper cover 300 is connected to the upper opening of the middle frame 200, the upper cover 300 is in an annular structure, and the panel 400 is connected to the upper side of the upper cover 300 and blocks the opening of the upper cover 300.

Generally, the lower cover 100, the middle frame 200 and the upper cover 300 may be made of a thermoplastic material having poor heat resistance, such as ABS plastic, i.e., a terpolymer of three monomers of acrylonitrile (a), butadiene (B) and styrene (S). The panel 400 is used for carrying cookware, and the panel 400 is circular so as to be suitable for most cookware with a circular bottom wall. The panel 400 may be made of microcrystalline glass or ceramic, or may be made of other materials that are easily penetrated by electromagnetic waves and are not electrically conductive.

The pot specifically comprises a pot body and a pot cover, wherein the pot cover is used for covering the pot body so as to improve the cooking efficiency. The pot body can be specifically for the stainless steel pot body or other metal pot bodies, perhaps, the pot body can be made by non-metallic material such as pottery, and is provided with the magnetic conduction layer on the diapire of the pot body. When using the electromagnetism stove to cook, the pan is placed in the zone of heating on panel 400, is located the top of coil panel to guarantee that the metal diapire or the magnetic conduction layer of pan can produce the vortex under the effect of coil panel, realize heating and culinary art.

In the embodiment of the present application, the middle frame 200 includes a side wall 21 and a top wall 22, the side wall 21 is in a ring structure, and the top wall 22 is connected to the inner side of the side wall 21 and located at the upper portion of the side wall 21 for connecting the upper cover 300. The top wall 22 may be disposed in a ring shape around the side wall 21, or may be connected to only a part of the length of the side wall 21. Illustratively, the top wall 22 includes an arc-shaped wall or a horizontal wall at the front of the induction cooker, the display panel is correspondingly disposed inside the top wall 22, and the outside of the top wall 22 can be used as a functional area of the induction cooker.

The middle frame 200 can be connected with the upper cover 300 and the lower cover 100 by a snap, and the upper cover 300 can be matched with the lower cover 100 by a mounting column and the like, so as to ensure that the upper cover 300 can support the panel 400 with enough strength. The middle frame 200 supports a part of the upper cover 300, and the support of the middle frame 200 is due to the structural strength of the middle frame 200 itself, and is likely to be deformed when the area of the top wall 22 is large.

The top wall 22 may deform and collapse downward under the action of its own gravity or when being pressed by an external force, which may increase a gap between the top wall 22 of the middle frame 200 and the upper cover 300, thereby affecting the aesthetic appearance of the induction cooker, and on the other hand, the gap may cause safety risks such as water ingress and electric shock.

In order to solve the problem that the top wall 22 of the middle frame 200 collapses downwards, in the embodiment of the present application, the support rib 11 is disposed on the lower cover 100, the support rib 11 is disposed on the bottom wall of the lower cover 100 in a protruding manner, and the support rib 11 can abut against the top wall 22 to increase the structural strength of the top wall 22, so as to prevent the top wall 22 from collapsing downwards after being stressed.

Fig. 7 is the utility model provides a down-looking schematic diagram of center and lower cover after the equipment, fig. 8 is the utility model provides a down-looking schematic diagram of lower cover, fig. 9 is the utility model provides a structural schematic diagram of brace rod and wind-break ring that provides. Referring to fig. 7-9, in a possible embodiment, a wind deflector 12 is protruded from the lower cover 100, the wind deflector 12 is disposed around the outside of the fan, and the support rib 11 may be connected to the wind deflector 12.

The air inlet and the air outlet are formed in the lower cover 100, when the induction cooker works, cooling air outside the induction cooker enters the accommodating cavity from the air inlet under the action of the fan, heat of heating elements such as the coil panel and the circuit board assembly is taken away, and then hot air is blown out of the induction cooker from the air outlet, so that heat dissipation of the induction cooker is achieved. The wind-blocking ring 12 is used for guiding the airflow entering the electromagnetic oven through the air inlet, so that the airflow enters the fan, and the cooling air formed by the airflow is gathered, thereby improving the air output of the fan and the heat dissipation efficiency.

In the embodiment of the application, the support rib 11 and the wind-shield ring 12 are arranged to be connected, so that the structural strength of the support rib 11 is improved under the condition that the support rib 11 is not provided with an additional reinforcing rib, the support rib 11 can play a reliable supporting role, and meanwhile, the space occupied by the support rib 11 is smaller, thereby being beneficial to the compact layout and the miniaturization design of the induction cooker.

The projections of the support ribs 11 and a portion of the windshield ring 12 on the lower cover 100 form a closed figure to further improve the structural strength of the support ribs 11. The specific shape of the closed figure is not specifically limited in this embodiment, and the closed figure may be a regular figure or an irregular figure.

In the embodiment of the present application, exemplarily, the support rib 11 includes a first rib position 111, a second rib position 112, and a third rib position 113 that are connected in sequence, the first rib position 111 and the third rib position 113 are disposed oppositely, and the first rib position 111 and the third rib position 113 are connected with the wind-blocking ring 12 respectively. The first rib position 111, the second rib position 112 and the third rib position 113 form a pattern similar to a U shape, and the open side of the U shape is blocked by the wind-blocking ring 12.

At this time, the support rib 11 has a simple structure and occupies a small space. The second rib 112 and the first and

third ribs

111, 113 of partial length may abut on the edge region of the top wall 22 near the top cover 300.

The number of the support ribs 11 may be one, two or more. When the number of the supporting ribs 11 is one, the supporting ribs can abut against the middle part of the top wall 22; when the number of the supporting ribs 11 is two, the two supporting ribs 11 can be arranged at intervals and are symmetrically distributed at two ends of the top wall 22; when the number of the supporting ribs 11 is multiple, the supporting ribs 11 can be arranged at intervals and uniformly distributed to achieve a uniform supporting effect.

The support ribs 11 have various realization forms, and the support ribs 11 can be independently arranged, are not connected with the wind-break ring 12 and can also be connected with the wind-break ring 12; the shape of the projection of the support rib 11 on the lower cover 100 is not particularly limited, and may be, for example, a closed figure, such as a circle, a rectangle, etc., or an open figure, such as an arc, etc.

Fig. 10a, 10b, and 10c are schematic structural views of another support rib and a wind deflector provided in the embodiment of the present invention. Referring to fig. 10a, a projection of the support rib 11 on the lower cover 100 may be a semicircular shape, both ends of the semicircular support rib 11 are respectively connected to the windshield rings 12, and the support rib 11 and a part of the length of the windshield ring 12 form a closed figure, so that the structural strength of the support rib 11 may be improved. Referring to fig. 10b, the projection of the support rib 11 on the lower cover 100 may be a closed rectangle, and the support rib 11 is separately provided with a space from the windshield 12. Referring to fig. 10c, the projection of the support rib 11 on the lower cover 100 may be an arc shape, the arc support rib 11 is separately provided with a distance from the windshield ring 12, and the extending direction of the arc support rib 11 may be consistent with the extending direction of the edge region of the top wall 22 of the middle frame 200, so as to increase the contact area of the support rib 11 and the middle frame 200 and improve the reliability of the support.

Fig. 11 is a schematic view of a partial assembly of the support rib and the middle frame according to an embodiment of the present invention. Referring to fig. 11, the middle frame 200 is provided with a reinforcing rib 23, the reinforcing rib 23 is located at an edge region of the top wall 22 close to the upper cover 300, and the reinforcing rib 23 is convexly provided on an inner wall surface of the top wall 22 facing the lower cover 100, and the support rib 11 and the reinforcing rib 23 abut against each other.

The reinforcing rib 23 may be provided in a ring shape, and the reinforcing rib 23 is disposed around the opening edge of the top wall 22 to enhance the structural strength of the edge region of the top wall 22, so as to ensure that the top wall 22 can be effectively supported by the supporting rib 11.

In the embodiment of the present application, the height of the support rib 11 protruding relative to the lower cover 100 is greater than the height of the wind deflector 12 protruding relative to the lower cover 100. With this arrangement, the support rib 11 can be brought into abutment with the top wall 22 while ensuring that the wind deflector 12 does not interfere with the top wall 22.

The lower cover 100 may be integrally formed by injection molding, and the support rib 11 may be separately formed and then bonded to the lower cover 100; alternatively, the support rib 11 may be integrally formed with the lower cover 100 by injection molding. The support rib 11 has simple structure, simple manufacturing process and low cost.

The middle frame 200 is further provided with a waterproof rib 24, the waterproof rib 24 is arranged around the edge area of the top wall 22 close to the upper cover 300, and the waterproof rib 24 is arranged on the outer wall surface of the top wall 22 away from the lower cover 100 in a protruding manner.

Fig. 12 is a schematic view of a partial assembly of the support rib, the middle frame and the upper cover according to an embodiment of the present invention. Referring to fig. 12, the upper cover 300 is provided with an installation groove 31 engaged with the waterproof rib 24, the installation groove 31 is opened on the lower surface of the upper cover 300, and under the blocking of the waterproof rib 24, the liquid on the top wall 22 of the middle frame 200 cannot enter the inside of the induction cooker from the gap between the middle frame 200 and the upper cover 300, so that the waterproof rib 24 can achieve an effective waterproof effect. And, set up waterproof muscle, compare in overcoming gluing and adorning the waterproof mode of sealing washer, can overcome the shortcoming such as spare part is many, the structure is complicated, the operation degree of difficulty height.

The waterproof ribs 24 have the waterproof function and also have the function of being matched with the mounting grooves 31 for limiting, so that the upper cover 300 and the middle frame 200 can be assembled conveniently, and the connection between the upper cover 300 and the middle frame 200 is more reliable.

The upper surface of the upper cover 300 is further provided with a glue containing groove 32, the glue containing groove 32 is formed in the upper surface of the upper cover 300, glue is arranged in the glue containing groove 32, the panel 400 can be bonded above the upper cover 300, the panel 400 and the upper cover 300 can be connected in a sealing mode through the glue, and liquid cannot enter the induction cooker from the gap between the upper cover 300 and the panel 400.

In this embodiment, similar to the structure of the existing induction cooker, the lower cover 10, the middle frame 200, the upper cover 300, and the panel 400 enclose an accommodating cavity in which a coil panel, a circuit board, a fan, and other heat dissipation devices are disposed. The circuit board is provided with a singlechip, an Insulated Gate Bipolar Transistor (IGBT), an IGBT drive circuit, a resonant circuit, and the like. The specific structure of the coil panel, the circuit board, the fan and other heat dissipation devices can be seen in the corresponding structure in the existing electromagnetic oven, for example: the coil panel comprises a coil, a coil panel frame and a magnetic strip; the fan can be a centrifugal fan or an axial flow fan, and other single-person structures comprise a water tank, radiating fins and the like. The specific structure of each device in the induction cooker is not particularly limited in this embodiment.

It should be noted that, in this embodiment, fig. 1 to fig. 12 only show a part of structures in the electromagnetic oven, and for detailed structures of other devices in the electromagnetic oven, reference may be made to corresponding structures in the existing electromagnetic oven.

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

Claims

1. An induction cooker, comprising: a lower cover (100), a middle frame (200), an upper cover (300) and a panel (400);

the lower cover (100) and the upper cover (300) are respectively connected to two sides of the middle frame (200), the panel (400) is connected to the upper cover (300), and the lower cover (100), the middle frame (200), the upper cover (300) and the panel (400) jointly enclose to form an accommodating cavity;

the middle frame (200) comprises a side wall (21) and a top wall (22), the top wall (22) is connected between the side wall (21) and the upper cover (300), a support rib (11) is convexly arranged on the lower cover (100), and the support rib (11) abuts against the edge area, close to the upper cover (300), of the top wall (22).

2. The induction cooking stove according to claim 1, characterized in that the projection of the support rib (11) on the lower cover (100) is in a closed figure.

3. The induction cooker according to claim 1, wherein a fan is disposed in the accommodating cavity, a wind blocking ring (12) is convexly disposed on the lower cover (100), the wind blocking ring (12) surrounds the fan, and the support rib (11) is connected with the wind blocking ring (12).

4. The induction cooking stove according to claim 3, characterized in that the support rib (11) and a projection of a part of the windshield ring (12) on the lower cover (100) form a closed figure.

5. The induction cooker according to claim 4, wherein the support rib (11) comprises a first rib position (111), a second rib position (112) and a third rib position (113) which are connected in sequence, the first rib position (111) and the third rib position (113) are arranged oppositely, and the first rib position (111) and the third rib position (113) are respectively connected with the wind shield (12).

6. The induction cooking stove according to claim 3, characterized in that the height of the support rib (11) protruding relative to the lower cover (100) is greater than the height of the wind deflector (12) protruding relative to the lower cover (100).

7. The induction hob according to any one of the claims 1 to 6, characterized in, that the number of the support ribs (11) is at least two, at least two support ribs (11) are arranged at intervals.

8. The induction cooker according to any one of claims 1 to 6, characterized in that the middle frame (200) is provided with a reinforcing rib (23), the reinforcing rib (23) is located at an edge region of the top wall (22) close to the upper cover (300), the reinforcing rib (23) is convexly provided on an inner wall surface of the top wall (22) facing the lower cover (100), and the supporting rib (11) and the reinforcing rib (23) are abutted.

9. The induction cooker according to any one of claims 1 to 6, characterized in that a waterproof rib (24) is further disposed on the middle frame (200), the waterproof rib (24) is disposed around an edge region of the top wall (22) close to the upper cover (300), and the waterproof rib (24) is disposed on an outer wall surface of the top wall (22) facing away from the lower cover (100) in a protruding manner.

10. The induction cooking stove according to claim 1, characterized in that the support rib (11) and the lower cover (100) are bonded; or, the support rib (11) and the lower cover (100) are integrally formed through injection molding.