CN210124623U

CN210124623U - Sealing ring and cooking device

Info

Publication number: CN210124623U
Application number: CN201920753514.2U
Authority: CN
Inventors: 任富佳; 刘庆华; 阮华平; 李法民
Original assignee: Hangzhou Robam Appliances Co Ltd
Current assignee: Hangzhou Robam Appliances Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-06
Anticipated expiration: 2029-05-23

Abstract

The utility model provides a sealing washer and culinary art device relates to kitchen supplies technical field. The sealing ring comprises a ring body which is closed along the circumferential direction, wherein a deformation part is arranged on the ring body along the circumferential direction of the ring body, the deformation part comprises a first flanging and a second flanging, one end of the first flanging is connected with the ring body, the other end of the first flanging is connected with the second flanging, one of the first flanging and the second flanging is turned outwards, and the other one of the first flanging and the second flanging is turned inwards; the cooking device comprises an inner container, a door body and the sealing ring, wherein the door body is movably connected with the inner container, the ring body of the sealing ring is connected with the door body along the circumferential direction of the door body, and the deformation part of the sealing ring faces towards the inner container; when the door body is in a closed state, the outer end of the deformation part is abutted against the inner container. First turn-ups and the turn-ups of second set up in this sealing washer for deformation portion deformation degree is big and deformation regularity nature is high, can be sealed better to the clearance between the door body of culinary art device and the inner bag, thereby reduces the steam of cooking device in the use of escaping outward and can cause to soak the damage to the cupboard.

Description

Sealing ring and cooking device

Technical Field

The utility model relates to a kitchen supplies technical field especially relates to a sealing washer and culinary art device.

Background

Microwave oven, the oven, steam ager and many function combination culinary art device have wide application in the kitchen culinary art, the culinary art device is generally installed inside the cupboard in kitchen, because the culinary art process can produce steam to food heating, and be swing joint between the door body of culinary art device and the inner bag, leakproofness between the two is difficult to guarantee, inside steam of inner bag is inside along the clearance between the door body and the inner bag outside the ease to the cupboard, steam meets the condensation and is the water droplet adhesion on the cupboard inner wall, cause to soak the damage to the cupboard inner wall.

Namely, the sealing performance between the door body and the inner container of the existing cooking device is difficult to guarantee, and the cabinet can be soaked and damaged by steam escaping from the cooking device in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing washer and culinary art device to the leakproofness between the door body of the culinary art device that exists among the solution prior art and the inner bag is difficult to guarantee, and the steam of escape can cause the technical problem of soaking the damage to the cupboard in the culinary art device use.

The utility model provides a sealing ring, include along circumference confined circle body, be equipped with deformation portion along its circumference on the circle body, deformation portion includes first turn-ups and second turn-ups, first turn-ups one end with circle body coupling, the other end with the second turn-ups is connected, first turn-ups with one of them turns up in the second turn-ups, another enstrophe.

Furthermore, the first flanging is turned outwards, the second flanging is turned inwards, and the first flanging and the second flanging form a V-shaped groove with an inward opening.

Furthermore, the ring body is connected with the first flanging through a connecting section, and the connecting section extends along the axial direction of the ring body.

Furthermore, the second flanging is deviated from one end of the first flanging and is connected with a butt boss along the circumferential direction, the butt boss extends along the axial direction of the ring body, and the butt boss deviates from the outer end face of the second flanging and is perpendicular to the axis of the ring body.

Furthermore, the end, deviating from the first turn-ups, of the second turn-ups is connected with an auxiliary boss, and the auxiliary boss and the butt boss are arranged at an angle.

Furthermore, the inner wall of the ring body is provided with a sealing ring along the circumferential direction.

Furthermore, the number of the sealing rings is at least two, the sealing rings are arranged at intervals along the axial direction of the ring body, and the inner diameters of the at least two sealing rings are not equal.

Furthermore, the ring body is provided with a clamping groove with an axial section of ⊥ type, and an I-shaped groove of the clamping groove penetrates through the ring body to form a notch.

Another object of the present invention is to provide a cooking apparatus, which comprises an inner container, a door body and the above-mentioned sealing ring, wherein the door body is movably connected to the inner container, the ring body of the sealing ring is connected to the door body along the circumferential direction of the door body, and the deformation portion of the sealing ring faces the inner container; when the door body is in a closed state, the outer end of the deformation part is abutted to the inner container.

Furthermore, the door body is provided with a connecting seat along the circumferential direction, and the ring body of the sealing ring is clamped on the connecting seat along the circumferential direction of the connecting seat.

The utility model discloses sealing washer and culinary art device's beneficial effect does:

the utility model provides a sealing washer and culinary art device, wherein, the inside culinary art space that forms of inner bag of culinary art device, the opening setting in culinary art space is on the front bezel or the roof of inner bag, uses the opening setting to explain here as the example at the front bezel of inner bag, and door body swing joint can carry out the shutoff to the opening when the door body is closed on the front bezel of inner bag, nevertheless has the clearance between door body and the front bezel. Before the door body is closed, the sealing ring is connected to the door body, a first flanging and a second flanging of the sealing ring are in a free extension state, one of the first flanging and the second flanging is turned inwards, the other one of the first flanging and the second flanging is turned outwards, and the first flanging and the second flanging form a deformation part with a folding angle-shaped radial section; when closing the door body, the width of deformation portion is greater than the clearance between the door body and the front bezel, and the both sides of deformation portion receive the extrusion of the door body and inner bag front bezel respectively and take place deformation, and the inner of deformation portion is connected with the door body through the circle body, and the outer end of deformation portion and the tight butt of front bezel of inner bag, consequently, the deformation portion carries out the shutoff along circumference to the clearance between the door body and the inner bag front bezel, improves the leakproofness in culinary art space greatly, when reducing cooking device operation, the excessive soaking damage that causes the cupboard of steam in culinary art space.

When the door body is opened, the first flanging and the second flanging of the deformation part of the sealing ring are connected and supported with each other; when the door body is closed, the deformation part of the sealing ring is extruded, and because the first flanging and the second flanging are in a turnover inclined state (outward turning or inward turning), when the first flanging and the second flanging are extruded along the radial direction of the ring body, the turnover directions of the first flanging and the second flanging are unchanged, the inclination angle is increased, the angle between the first flanging and the second flanging is reduced, the compression degree of the outer end of the deformation part and the front plate of the inner container is increased, and therefore the sealing between the door body and the inner container is ensured. On one hand, the first flanging and the second flanging of the deformation part are arranged at an angle, when the deformation part is stressed, the first flanging and the second flanging can both deform, compared with the deformation of a single flanging, the deformation degree and the deformation easiness of the deformation part under stress are higher, and the sealing performance of the corresponding deformation part on the front plate of the inner container is higher; on the other hand, when first turn-ups and second turn-ups atress, its orientation of buckling is unchangeable only the inclination grow, and the deformation direction law of deformation portion, the outer end of deformation portion can all the time with the inner bag front bezel butt, can effectively reduce to receive the deformation that the not equidirectional takes place for deformation in deformation portion outer end after the extrusion, and lead to forming the clearance between the outer end distortion of deformation portion and the front bezel, influence the emergence of leakproofness condition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in 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 creative efforts.

Fig. 1 is a schematic view of a part of a structure of a cooking device according to an embodiment of the present invention when a door is in a closed state;

fig. 2 is an exploded schematic view of a cooking device according to an embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a door body, a connecting seat and a sealing ring of the cooking device according to the embodiment of the present invention;

fig. 4 is a schematic partial cross-sectional view illustrating a connection between a sealing ring and a front plate when a door of the cooking apparatus provided in the embodiment of the present invention is in a closed state;

fig. 5 is a schematic partial sectional view of a seal ring according to an embodiment of the present invention.

Icon: 10-a sealing ring; 1-ring body; 11-a sealing ring; 12-a clamping groove; 2-a deformation part; 21-a first flanging; 22-second flanging; 23- "V" shaped groove; 24-an abutment boss; 25-an auxiliary boss; 3-a connecting segment; 4-inner container; 41-front plate; 5-a door body; 51-step; 6-a connecting seat; 61-snap joint.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a sealing ring 10, as shown in fig. 2 and fig. 3, including a ring body 1 closed along the circumferential direction, a deformation portion 2 is provided on the ring body 1 along the circumferential direction thereof, the deformation portion 2 includes a first flange 21 and a second flange 22, one end of the first flange 21 is connected with the ring body 1, the other end is connected with the second flange 22, one of the first flange 21 and the second flange 22 is turned outwards, and the other is turned inwards.

The embodiment further provides a cooking device, as shown in fig. 1-4, which includes an inner container 4, a door body 5 and the above-mentioned sealing ring 10, wherein the door body 5 is movably connected to the inner container 4, a ring body 1 of the sealing ring 10 is connected to the door body 5 along a circumferential direction of the door body 5, and a deformation portion 2 of the sealing ring 10 faces the inner container 4; when the door 5 is closed, the outer end of the deformation portion 2 abuts against the inner container 4.

In the sealing ring 10 and the cooking device provided by the embodiment, the sealing ring 10 includes a ring body 1 for connection and a deformation portion 2 capable of deforming and sealing, and the deformation portion 2 includes a first flange 21 and a second flange 22 connected to form a bevel; the cooking device comprises an inner container 4 for providing a cooking space for food, a door body 5 for sealing an opening of the inner container 4 to form a sealed cooking space, and the sealing ring 10 capable of sealing between the door body 5 and the inner container 4.

The cooking device has a cooking space formed inside the inner container 4, and an opening of the cooking space is provided on the front plate 41 or the top plate of the inner container 4. here, taking the case where the opening is provided on the front plate 41 of the inner container 4 as an example, the door 5 is movably connected to the front plate 41 of the inner container 4, and the opening can be closed when the door 5 is closed, but a gap exists between the door 5 and the front plate 41. Before the door body 5 is closed, the sealing ring 10 is connected to the door body 5, a first flanging 21 and a second flanging 22 of the sealing ring 10 are in a free extension state, one of the first flanging 21 and the second flanging 22 is turned inwards, the other one of the first flanging 21 and the second flanging 22 is turned outwards, and the first flanging 21 and the second flanging 22 form a deformation part 2 with a radial section in a folded angle shape; when closing a body 5, the width of deformation portion 2 is greater than the clearance between the door body 5 and the front bezel 41, the both sides of deformation portion 2 receive the extrusion of the door body 5 and the 4 front bezel 41 of inner bag respectively and take place deformation, the inner of deformation portion 2 is connected with door body 5 through the circle body 1, the outer end of deformation portion 2 and the inseparable butt of the front bezel 41 of inner bag 4, therefore, deformation portion 2 carries out the shutoff along the clearance between the circumference to door body 5 and the 4 front bezel 41 of inner bag, improve the leakproofness in culinary art space greatly, when reducing cooking device, the steam overflow in culinary art space causes the soaking damage of cupboard.

When the door body 5 is opened, the first flanging 21 and the second flanging 22 of the deformation part 2 of the sealing ring 10 are connected and supported with each other; when the door body 5 is closed, the deformation part 2 of the sealing ring 10 is extruded, because the first flanging 21 and the second flanging 22 are in a turnover inclined state (outward turnover or inward turnover), when the first flanging 21 and the second flanging 22 are extruded along the radial direction of the ring body 1, the turnover directions of the first flanging 21 and the second flanging 22 are unchanged, the inclination angle is increased, the angle between the first flanging 21 and the second flanging 22 is reduced, the compression degree between the outer end of the deformation part 2 and the front plate 41 of the inner container 4 is increased, and therefore the sealing between the door body 5 and the inner container 4 by the deformation part 2 is ensured. On one hand, the first flanging 21 and the second flanging 22 of the deformation part 2 are arranged at an angle, when stressed, the first flanging 21 and the second flanging 22 can both deform, compared with the deformation of a single flanging, the deformation degree and the deformation easiness of the deformation part 2 under stress are higher, and the sealing performance of the corresponding deformation part 2 on the front plate 41 of the inner container 4 is higher; on the other hand, when first turn-ups 21 and second turn-ups 22 atress, its orientation of buckling is unchangeable only the inclination grow, and the deformation direction law of deformation portion 2, the outer end of deformation portion 2 can be all the time with inner bag 4 front bezel 41 butt, can effectively reduce to receive and extrude the deformation that 2 outer ends of back deformation portion take place the equidirectional, and lead to forming the clearance between the outer end distortion of deformation portion 2 and the front bezel 41, influence the emergence of leakproofness condition.

Specifically, the distance between the door body 5 and the front plate 41 of the inner container 4 is affected by the change of the pressure of the cooking space, the deformation range of the first flanging 21 and the second flanging 22 is large, the size change of the gap can be timely compensated according to the corresponding change of the gap, and the gap between the first flanging 21 and the second flanging 22 is sealed and blocked all the time.

Specifically, the sealing ring 10 may be made of flexible materials such as silicone rubber; and the ring body 1 and the deformation part 2 of the sealing ring 10 can be integrally formed by injection molding and other process methods, so that the processing convenience of the sealing ring 10 is improved, and the connection firmness of the ring body 1 and the deformation part 2 is improved.

In this embodiment, as shown in FIG. 5, first flange 21 is turned outwardly and second flange 22 is turned inwardly, with first flange 21 and second flange 22 forming a "V" shaped channel 23 that opens inwardly. Here is a concrete form of sealing washer 10 deformation 2, first turn-ups 21 is connected with second turn-ups 22 and is formed the inside "V" type groove 23 of opening, and when door body 5 was in the closed condition, the regional "V" type groove 23 opening of door body 5 bottom was upwards, formed and accepted the groove, and the liquid drop that the steam condensation that is close to door body 5 in the culinary art space formed can flow into "V" type groove 23 downwards, and "V" type groove 23 can remain partial comdenstion water to increase cooking device's the volume of accepting the comdenstion water, reduce the comdenstion water overflow in cooking device's the water collector, the soaking damage that causes the cupboard.

Besides the above-mentioned form, the deformation portion 2 may also have the first flange 21 turned inwards and the second flange 22 turned outwards, and the first flange 21 and the second flange 22 form a V-shaped groove 23 with an outward opening.

It should be noted that the "V" shaped groove 23 is only used to describe the shape of the receiving groove formed by the first flange 21 and the second flange 22, and the opening direction of the receiving groove is not limited, as shown in fig. 5, the opening of the "V" shaped groove 23 formed by the first flange 21 and the second flange 22 at the upper part of the door body 5 is downward, and the opening of the "V" shaped groove 23 formed by the first flange 21 and the second flange 22 at the bottom part of the door body 5 is upward.

In this embodiment, as shown in fig. 5, the ring body 1 and the first flange 21 are connected by the connecting section 3, and the connecting section 3 extends in the axial direction of the ring body 1. The connection section 3 is connected between the ring body 1 and the deformation part 2, the connection section 3 is connected with the first flanging 21 through a bevel, when the first flanging 21 deforms under stress, the connection section 3 can deform along with the first flanging 21 under the action of the first flanging 21, the deformation of the first flanging 21 relative to the ring body 1 is buffered, so that the inner end of the first flanging 21 is directly connected with the ring body 1, the bending deformation degree of the first flanging 21 relative to the ring body 1 is large, the tearing condition of the joint is caused, and the connection firmness of the deformation part 2 and the ring body 1 is correspondingly improved.

In this embodiment, as shown in fig. 4 and 5, an abutting boss 24 may be connected to one end of the second flange 22 away from the first flange 21 along a circumferential direction thereof, the abutting boss 24 extends along an axial direction of the ring body 1, and an outer end surface of the abutting boss 24 away from the second flange is perpendicular to an axis of the ring body 1. When the door 5 is in a closed state, the door 5 is approximately parallel to a wall surface of the inner container 4 on which an opening is formed, the axis of the gasket 10 is approximately perpendicular to the wall surface, and the opening of the inner container 4 is provided in the front plate 41 of the inner container 4 as an example: the butt boss 24 is located the outer end that second turn-ups 22 deviates from first turn-ups 21, the setting is put perpendicularly to the door body 5, butt boss 24 extends along the horizontal direction, and its terminal surface is vertical plane, the in-process that the door body 5 closed, the outer terminal surface of butt boss 24 gradually with 4 front bezel 41 butts of inner bag, receive the extrusion force of front bezel 41 and door body 5 gradually afterwards, second turn-ups 22 and first turn-ups 21 atress take place deformation, but the outer terminal surface of butt boss 24 all the time with preceding butt, the butt face is the outer terminal surface area of butt boss 24, area of contact is far greater than line area of contact, thereby further improve the leakproofness of sealing washer 10 between to door body 5 and inner bag 4.

It should be noted that the axial length of the abutment boss 24 is smaller than the lengths of the first flange 21 and the second flange 22, the deformation degree of the abutment boss is small when the abutment boss is pressed, and the first flange 21 and the second flange 22 of the deformation portion 2 mainly bear the deformation.

In this embodiment, as shown in fig. 4 and 5, an auxiliary boss 25 may be connected to an end of the second flange 22 away from the first flange 21, and the auxiliary boss 25 and the abutment boss 24 are disposed at an angle. On one hand, when the door body 5 is in a closed state, the sealing ring 10 is extruded, the auxiliary boss 25 can be abutted against the front plate 41 of the inner container 4, and the auxiliary abutting boss 24 is in secondary sealing connection with the front plate 41, so that the connection sealing performance of the sealing ring 10 and the front plate 41 of the inner container 4 is improved, and the sealing performance of plugging between the door body 5 and the inner container 4 is improved; on the other hand, when the pressing force received by the deformation part 2 of the sealing ring 10 is large or the abutting boss 24 is turned over due to other factors, the auxiliary boss 25 can assist the abutting boss 24 to seal the leakage part, so that the connection sealing performance of the sealing ring 10 and the front plate 41 is ensured, and the firmness and the stability of sealing and sealing of the sealing ring 10 between the door body 5 and the inner container 4 are further improved.

In this embodiment, as shown in fig. 1 to 4, a connecting seat 6 may be provided on the door body 5 along the circumferential direction thereof, and the ring body 1 of the sealing ring 10 is clamped to the connecting seat 6 along the circumferential direction of the connecting seat 6. The sealing washer 10 need be installed on the door body 5 towards the inside wall of 4 front bezel 41 of inner bag, realizes being connected of sealing washer 10 and the door body 5 through set up connecting seat 6 on the door body 5, can effectively reduce and set up the destruction that inlays the groove etc. and cause 5 intensity of the door body on the inside wall of the door body 5, and when the door body 5 was the panel of thickness thinner, set up and inlay the groove and probably cause the panel to perforate, influence the leakproofness of door plant.

Specifically, as shown in fig. 4, the ring body 1 may be provided with a clamping groove 12 having an axial cross section of "⊥", the "|" groove of the clamping groove 12 penetrates through the ring body 1 to form a notch, a clamping head 61 having an axial cross section of "⊥" is arranged on the connecting seat 6 in a matching manner with the clamping groove 12, the ring body 1 is sleeved on the clamping head 61 of the connecting seat 6 through deformation, the clamping head 61 is connected with the clamping groove 12 in a matching manner, and the notch of the clamping groove 12 is smaller than the "-" arm of the clamping head 61, so that the ring body 1 is clamped on the clamping head 61, the connection firmness of the sealing ring 10 and the connecting seat 6 is improved, and the sealing effect of the sealing ring 10 is ensured.

Specifically, the connecting seat 6 can be made of plastic material.

In this embodiment, as shown in fig. 4 and 5, the inner wall of the ring body 1 may be provided with a sealing ring 11 along the circumferential direction thereof. Correspondingly, the door body 5 is provided with a step 51 along the circumferential direction on the inner side wall facing the inner container 4, the ring body 1 of the sealing ring 10 is connected to the connecting seat 6, the inner ring of the sealing ring 11 on the inner wall of the sealing ring 10 is abutted against the step 51, and the sealing ring 11 seals the gap between the connecting seat 6 and the step 51 of the door body 5 so as to reduce the steam in the cooking space to enter the door body 5 through the gap, and the steam is contacted with the visible glass on the door body 5 to generate fog to influence the visibility.

Specifically, the number of the sealing rings 11 is at least two, the sealing rings 11 are arranged at intervals along the axial direction of the ring body 1, and the inner diameters of the at least two sealing rings 11 are not equal. The sealing rings 11 assist each other to seal the gap between the door body 5 and the connecting seat 6, so that the connection sealing performance between the door body and the connecting seat is improved, and the escape amount of steam in the cooking space to the inside of the door body 5 is further reduced. Preferably, the inner ring end of the sealing ring 11 is a conical body, the conical body is more easily deformed when being squeezed by the step 51 of the door body 5, the deformation degree is large, and the conical body is more easily attached to the step 51 in a sealing manner, so that the connection sealing performance of the sealing ring 11 and the step 51 of the door body 5 is improved.

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 it; 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 embodiments of the present invention.

Claims

1. The utility model provides a sealing ring, its characterized in that includes along circumference confined circle body (1), be equipped with deformation portion (2) along its circumference on circle body (1), deformation portion (2) include first turn-ups (21) and second turn-ups (22), the one end of first turn-ups (21) with circle body (1) is connected, the other end with second turn-ups (22) are connected, first turn-ups (21) with one of them turns up in second turn-ups (22), another enstrophe.

2. A ring seal according to claim 1, characterized in that the first bead (21) is turned outwards and the second bead (22) is turned inwards, the first bead (21) and the second bead (22) forming a "V" -shaped groove (23) opening inwards.

3. A sealing ring according to claim 2, characterized in that the ring body (1) is connected to the first bead (21) by a connecting section (3), the connecting section (3) extending in the axial direction of the ring body (1).

4. A sealing ring according to any one of claims 1-3, characterized in that an abutment boss (24) is connected to the end of the second flange (22) facing away from the first flange (21) along its circumference, the abutment boss (24) extends in the axial direction of the ring body (1), and the outer end face of the abutment boss (24) facing away from the second flange (22) is perpendicular to the axis of the ring body (1).

5. The sealing ring according to claim 4, characterized in that an auxiliary boss (25) is connected to an end of the second flange (22) facing away from the first flange (21), and the auxiliary boss (25) and the abutment boss (24) are arranged at an angle.

6. A sealing ring according to claim 5, characterized in that the inner wall of the ring body (1) is provided with a sealing ring (11) along its circumference.

7. A sealing ring according to claim 6, characterized in that the number of the sealing rings (11) is at least two, the sealing rings (11) are arranged at intervals along the axial direction of the ring body (1), and the inner diameters of at least two sealing rings (11) are not equal.

8. A seal ring according to claim 7, characterized in that the ring body (1) is provided with a snap groove (12) of the type "⊥" in axial section, the "|" groove of the snap groove (12) forming a notch through the ring body (1).

9. A cooking device, characterized by comprising an inner container (4), a door body (5) and a sealing ring according to any one of claims 1 to 8, wherein the door body (5) is movably connected to the inner container (4), the ring body (1) of the sealing ring is connected to the door body (5) along the circumferential direction of the door body (5), and the deformation part (2) of the sealing ring faces towards the inner container (4); when the door body (5) is in a closed state, the outer end of the deformation part (2) is abutted to the inner container (4).

10. The cooking device according to claim 9, wherein the door body (5) is provided with a connecting seat (6) along a circumferential direction thereof, and the ring body (1) of the sealing ring is clamped on the connecting seat (6) along the circumferential direction of the connecting seat (6).