CN212958300U

CN212958300U - Cooking appliance and door body mechanism thereof

Info

Publication number: CN212958300U
Application number: CN202020833904.3U
Authority: CN
Inventors: 伍荣春; 蒋程
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-04-13
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a cooking device and door body mechanism thereof, cooking device's door body mechanism include door frame, front panel, upper fixed plate and bottom plate. The front panel is clamped and fixed between the upper fixing plate and the lower fixing plate, a first slot is formed in the top end of the lower fixing plate, and the bottom end of the front panel is inserted into the first slot. The bottom wall of the first slot is used as a reference surface, and the height of the rear slot wall of the first slot is higher than that of the front slot wall of the first slot. The bottom that can down flow to the front panel behind the water of cooking appliance outside splashes to the front panel, and flow to in the first slot, these water ooze full first slot after, because the back cell wall of first slot is higher than preceding cell wall, can avoid water to flow into in the door frame through the clearance between the bottom of front panel and the top of bottom plate, water in the first slot is full after down the front surface of bottom plate and is discharged outward, play waterproof effect, prevent that water from oozing inside the door frame, and then drip on control circuit board, and lead to control circuit board to break down.

Description

Cooking appliance and door body mechanism thereof

Technical Field

The utility model relates to the technical field of household appliances, especially relate to a cooking appliance and door body mechanism thereof.

Background

The cooking appliance, especially the cooking appliance with microwave heating function, such as microwave oven with simple microwave heating function, microwave barbecue machine with heating tube barbecue function, micro-steamer with steam heating function or micro-steaming and baking three-function integrated machine. The cooking appliance comprises a door body mechanism, wherein a front panel of the door body mechanism is generally a glass plate or a metal plate, and if the front panel is the glass plate, double-sided adhesive tape is adopted for sticking and fixing on a door frame; if the metal plate is adopted, the metal buckle is clamped and fixed on the door frame. However, during the use process, water may be accidentally splashed onto the front panel and may further seep into the door body along the bottom end of the front panel, and if the control panel is arranged at the bottom of the front panel, the seeped water may damage a circuit board inside the door body, so that the cooking appliance may malfunction.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to overcome the defects of the prior art and provide an electric cooking appliance and a door mechanism thereof, which can effectively prevent water from penetrating into the interior of the door.

The technical scheme is as follows: a door mechanism of a cooking appliance, the door mechanism of the cooking appliance comprises: the door comprises a door frame, a front panel, an upper fixing plate and a lower fixing plate, wherein the front panel, the upper fixing plate and the lower fixing plate are all arranged on the front side surface of the door frame, the front panel is clamped and fixed between the upper fixing plate and the lower fixing plate, the top end of the lower fixing plate is provided with a first slot, and the bottom end of the front panel is inserted into the first slot; the bottom wall of the first slot is used as a reference surface, and the height of the rear slot wall of the first slot is higher than that of the front slot wall of the first slot.

Foretell cooking device's door body mechanism, the bottom that can down flow to the front panel behind the water of cooking device outside splashes the front panel, and flow to in the first slot, after these water oozes first slot, because the back cell wall of first slot is higher than preceding cell wall, can avoid water to flow into the door frame through the clearance between the bottom of front panel and the top of bottom plate, water in the first slot is up to discharge outward along the front surface of bottom plate after full, thereby effectively play water-proof effects. Especially, when the control circuit board is arranged at the position of the door frame adjacent to the first slot or the lower part of the door frame, water can be prevented from seeping into the door frame and further dripping onto the control circuit board, so that the control circuit board is prevented from generating faults.

In one embodiment, the door mechanism of the cooking appliance further includes a control circuit board, the door frame is provided with an opening area and a concave portion, the front panel is covered on the opening area, the control circuit board is installed in the concave portion, and the lower fixing plate is covered on the concave portion.

In one embodiment, the door body mechanism of the cooking appliance further comprises a plurality of operation keys, the operation keys are in contact fit with the control circuit board, key holes corresponding to the operation keys are formed in the lower fixing plate, and the operation keys penetrate through the key holes and extend out of the lower fixing plate.

In one embodiment, the bottom end of the upper fixing plate presses and fixes the top end of the front panel on the door frame.

In one embodiment, a handle assembly is connected to the front side surface of the upper fixing plate, and the handle assembly comprises two handle legs respectively located at two sides of the upper fixing plate and a handle holding rod connecting the two handle legs.

In one embodiment, the door body mechanism of the cooking appliance further comprises a connecting piece, and the connecting piece sequentially penetrates through the door frame, the upper fixing plate and the handle support leg and then is connected with the handle holding rod; the front side and the rear side of the handle support leg are both provided with insertion columns, the handle holding rod and the upper fixing plate are both provided with insertion holes corresponding to the insertion columns, and the insertion columns are arranged in the insertion holes.

In one embodiment, the front side of the handle support leg is provided with an extending edge, the extending edge is lapped at the side end of the handle holding rod, the extending edge is provided with a dowel, the handle holding rod is provided with a corresponding second slot, and the dowel is arranged in the second slot.

In one embodiment, a wind shield is connected to the front side surface of the upper fixing plate, an upward and/or downward wind outlet channel is formed in a gap between the wind shield and the front side surface of the upper fixing plate, a first wind outlet hole communicated with the wind outlet channel is formed in the upper fixing plate, and a second wind outlet hole communicated with the first wind outlet hole is formed in the door frame.

In one embodiment, the door body mechanism of the cooking appliance further comprises a door frame arranged in the door frame and a rear shielding plate connected to the rear side surface of the door frame; the inner side surface of the peripheral wall of the door frame, the connecting ribs and the limiting ribs form clamping grooves, and the peripheral wall of the rear shielding plate is clamped in the clamping grooves.

A cooking appliance comprises the door body mechanism of the cooking appliance.

Foretell cooking device, the bottom that can down flow to the front panel behind the water of cooking device outside splashes the front panel, and flow to in the first slot, after these water oozes first slot, because the back cell wall of first slot is higher than preceding cell wall, can avoid in water flows into the door frame through the clearance between the bottom of front panel and the top of bottom plate, the water in the first slot is up to discharging outward along the front surface of bottom plate after full, thereby effectively play water-proof effects. Especially, when the control circuit board is arranged at the position of the door frame adjacent to the first slot or the lower part of the door frame, water can be prevented from seeping into the door frame and further dripping onto the control circuit board, so that the control circuit board is prevented from generating faults.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a view structural diagram of a door mechanism of a cooking appliance according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is an enlarged schematic view of FIG. 2 at B;

fig. 5 is an exploded view of a viewing angle of a door mechanism of an electric cooking appliance according to an embodiment of the present invention;

fig. 6 is an exploded view of another view angle of the door mechanism of the electric cooking appliance according to an embodiment of the present invention;

fig. 7 is another view structural diagram of a door mechanism of an electric cooking appliance according to an embodiment of the present invention;

fig. 8 is a view structure diagram of one of the handle assembly and the upper fixing plate according to an embodiment of the present invention;

fig. 9 is another view angle structure diagram of the handle assembly and the upper fixing plate according to an embodiment of the present invention;

fig. 10 is a view of a door mechanism of an electric cooking appliance according to an embodiment of the present invention;

fig. 11 is an enlarged schematic view of fig. 10 at C.

10. A door body mechanism; 11. a door frame; 111. an open area; 112. a recess; 113. a second air outlet hole; 114. clamping ribs; 1141. connecting ribs; 1142. limiting ribs; 115. a card slot; 12. a front panel; 13. an upper fixing plate; 131. a first air outlet; 132. an air outlet channel; 14. a lower fixing plate; 141. a first slot; 1411. a rear slot wall; 1412. a front slot wall; 142. a key hole; 143. film pasting; 15. a control circuit board; 16. operating a key; 17. a handle assembly; 171. a handle leg; 172. a handle grip; 1721. a second slot; 173. a connecting member; 174. inserting a column; 175. a jack; 176. an extension edge; 1761. inserting ribs; 177. a wind deflector; 18. a door frame; 19. a rear shield; 20. and (4) a box body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1, 2 and 4, fig. 1 is an exploded view of a cooking appliance according to an embodiment of the present invention; fig. 2 shows a view structure diagram of the door mechanism 10 of the cooking appliance according to an embodiment of the present invention; fig. 4 is an enlarged schematic view of fig. 2 at B. An embodiment of the utility model provides a pair of cooking appliance's door body mechanism 10, cooking appliance's door body mechanism 10 includes: door frame 11, front panel 12, upper fixing plate 13 and lower fixing plate 14. The front panel 12, the upper fixing plate 13 and the lower fixing plate 14 are all disposed on the front side surface of the door frame 11, and the front panel 12 is clamped and fixed between the upper fixing plate 13 and the lower fixing plate 14. The top end of the lower fixing plate 14 is provided with a first insertion groove 141, and the bottom end of the front panel 12 is inserted into the first insertion groove 141. With the bottom wall of the first slot 141 as a reference plane, the height of the rear slot wall 1411 of the first slot 141 is higher than the height of the front slot wall 1412 of the first slot 141.

It should be noted that, the "front" and "rear" in this embodiment are relative, the cooking appliance is placed on the table top in a closed state, the user faces the door mechanism 10 of the cooking appliance, the surface of the door frame 11 closer to the user is the front side surface, the wall of the first slot 141 closer to the user is the front slot wall 1412, and the wall of the first slot 141 farther from the user is the rear slot wall 1411.

According to the door body mechanism 10 of the cooking appliance, water outside the cooking appliance splashes on the front panel 12 and then flows downwards to the bottom end of the front panel 12 and flows into the first slot 141, after the first slot 141 is filled with the water, because the rear slot wall 1411 of the first slot 141 is higher than the front slot wall 1412, the water can be prevented from flowing into the door frame 11 through a gap between the bottom end of the front panel 12 and the top end of the lower fixing plate 14, and after the first slot 141 is filled with the water, the water is discharged outwards along the front surface of the lower fixing plate 14, so that a waterproof effect is effectively achieved. Especially, when the control circuit board 15 is disposed at a position of the door frame 11 adjacent to the first slot 141 or a lower portion of the door frame 11, water is prevented from seeping into the door frame 11 and then dripping onto the control circuit board 15, which may cause a failure of the control circuit board 15.

Referring to fig. 6, fig. 6 is an exploded view of a door mechanism 10 of a cooking appliance according to an embodiment of the present invention. Specifically, the door mechanism 10 of the cooking appliance further includes a control circuit board 15. The door frame 11 has an opening 111 and a recess 112, the front panel 12 is disposed in the opening 111, the control circuit board 15 is disposed in the recess 112, and the lower fixing plate 14 is disposed in the recess 112.

Referring to fig. 4 and fig. 6, further, the door mechanism 10 of the cooking appliance further includes a plurality of operation buttons 16. The operation keys 16 are in contact fit with the control circuit board 15, key holes 142 corresponding to the operation keys 16 are arranged on the lower fixing plate 14, and the operation keys 16 extend out of the lower fixing plate 14 through the key holes 142. Thus, a control signal can be given to the control circuit board 15 by operating the key 16. Further, the door mechanism 10 of the cooking appliance further includes a film patch 143 disposed on a surface of the lower fixing plate 14. The film patch 143 serves both decorative and protective functions.

Referring to fig. 3, 5 and 6, fig. 3 is an enlarged schematic view of a portion a of fig. 2; fig. 5 illustrates an exploded view of a viewing angle of the door mechanism 10 of the cooking appliance according to an embodiment of the present invention; fig. 6 is an exploded view illustrating another view of the door mechanism 10 of the cooking appliance according to an embodiment of the present invention. In one embodiment, the bottom end of the upper fixing plate 13 is used to press and fix the top end of the front panel 12 to the doorframe 11. Thus, the front panel 12 can be quickly and stably mounted on the door frame 11.

Referring to fig. 3, 5 and 6, a handle assembly 17 is further connected to a front side surface of the upper fixing plate 13. The handle assembly 17 includes two handle legs 171 respectively disposed at both sides of the upper fixing plate 13 and a handle grip 172 connecting the two handle legs 171.

Referring to fig. 3, 5 and 6, further, the door mechanism 10 of the cooking appliance further includes a connecting member 173. The connecting member 173 passes through the door frame 11, the upper fixing plate 13, and the handle leg 171 in sequence and is connected to the handle grip 172. Specifically, the connecting member 173 is a screw, a bolt, a screw, a pin, a rivet, a snap, or the like, and is not limited herein. Thus, the connecting member 173 sequentially passes through the door frame 11, the upper fixing plate 13 and the handle support leg 171 and then is connected to the handle holding rod 172, so that the handle assembly 17 and the upper fixing plate 13 can be quickly mounted on the door frame 11.

Referring to fig. 8 and 9, fig. 8 is a view illustrating a structure of one of the handle assembly 17 and the upper fixing plate 13 according to an embodiment of the present invention; fig. 9 illustrates another view structure diagram of the handle assembly 17 and the upper fixing plate 13 according to an embodiment of the present invention. Further, the front and rear sides of the handle leg 171 are provided with insertion posts 174. The handle grip 172 and the upper fixing plate 13 are provided with insertion holes 175 corresponding to the insertion posts 174, and the insertion posts 174 are installed in the insertion holes 175. Thus, before the door frame 11, the upper fixing plate 13, the handle support legs 171 and the handle holding rod 172 are connected together through the connecting member 173, the inserting columns 174 are inserted and fixed in the inserting holes 175 for preliminary positioning, so that the door frame 11, the upper fixing plate 13 and the handle assembly 17 can be fixedly connected conveniently.

It should be noted that, in infringement contrast, the "plug 174" may be a part of the "handle leg 171", that is, the "plug 174" is integrally formed with the "other part of the handle leg 171"; alternatively, a separate member may be provided that is separable from the rest of the handle leg 171, i.e., the "post 174" may be separately manufactured and then integrated with the rest of the handle leg 171. As shown in fig. 8 and 9, in one embodiment, the "post 174" is a part of the "handle leg 171" that is integrally formed.

Referring again to fig. 8 and 9, in one embodiment, the handle legs 171 are provided with an extension edge 176 on the front side. The extending edge 176 overlaps the side end of the handle grip 172. Specifically, the extending edge 176 has a rib 1761, the handle grip 172 has a corresponding second slot 1721, and the rib 1761 is disposed in the second slot 1721. Thus, the rib 1761 is inserted into the second slot 1721, so that the handle grip 172 is firmly mounted on the extending edge 176.

Referring to fig. 7 to 9, fig. 7 is a schematic view illustrating another structure of the door mechanism 10 of the cooking appliance according to an embodiment of the present invention. In one embodiment, a wind guard 177 is attached to the front side of the upper fixing plate 13. The gap between the wind guard 177 and the front side of the upper fixing plate 13 forms the wind outlet channel 132 facing upward and/or downward. The upper fixing plate 13 is provided with a first air outlet 131 communicated with the air outlet channel 132, and the door frame 11 is provided with a second air outlet 113 communicated with the first air outlet 131. Therefore, the heat inside the door body flows to the outside of the door body mechanism 10 through the second air outlet 113, the first air outlet 131 and the air outlet channel 132, and the wind shield 177 is located between the handle and the upper fixing plate 13, so that the hot air in the door body mechanism 10 cannot directly blow to the hand.

It should be noted that the shapes and the numbers of the first air outlet 131 and the second air outlet 113 are not limited, and they may be circular holes, elliptical holes or holes with other shapes.

Referring to fig. 3, fig. 6, fig. 10 and fig. 11, fig. 10 is a schematic view of a door mechanism 10 of an electric cooking appliance according to an embodiment of the present invention; fig. 11 illustrates an enlarged structural view at C of fig. 10. In one embodiment, the door mechanism 10 of the cooking appliance further includes a door frame 18 disposed inside the door frame 11, and a rear cover 19 attached to a rear side of the door frame 11. A plurality of spaced clamping ribs 114 are arranged on the inner side surface of the peripheral wall of the doorframe 11, and each clamping rib 114 comprises a connecting rib 1141 connected with the inner side surface of the peripheral wall of the doorframe 11 and a columnar limiting rib 1142 connected with the connecting rib 1141. The inner side of the peripheral wall of the door frame 11, the connecting rib 1141 and the limiting rib 1142 form a slot 115, and the peripheral wall of the rear shielding plate 19 is clamped in the slot 115. Specifically, the spacing ribs 1142 are columnar, and the structure is firmer compared with the traditional flat shape.

In summary, the door mechanism 10 of the cooking appliance of the above embodiment has at least the following advantages:

1. after water outside the cooking appliance splashes on the front panel 12, the water flows downwards to the bottom end of the front panel 12 and flows into the first slot 141, after the first slot 141 is filled with the water, because the rear slot wall 1411 of the first slot 141 is higher than the front slot wall 1412, the water can be prevented from flowing into the door frame 11 through a gap between the bottom end of the front panel 12 and the top end of the lower fixing plate 14, and the water in the first slot 141 is discharged outwards along the front surface of the lower fixing plate 14 after being filled, so that a waterproof effect is effectively achieved. Especially, when the control circuit board 15 is disposed at a position of the door frame 11 adjacent to the first slot 141 or a lower portion of the door frame 11, water is prevented from seeping into the door frame 11 and then dripping onto the control circuit board 15, which may cause a failure of the control circuit board 15.

2. The connecting member 173 sequentially passes through the door frame 11, the upper fixing plate 13 and the handle support leg 171 and then is connected with the handle holding rod 172, so that the handle assembly 17 and the upper fixing plate 13 can be quickly installed on the door frame 11.

Referring to fig. 1 and fig. 2 again, in an embodiment, a cooking appliance includes the door mechanism 10 of any one of the above embodiments.

In the cooking appliance, water outside the cooking appliance splashes onto the front panel 12 and then flows downwards to the bottom end of the front panel 12 and flows into the first slot 141, and after the first slot 141 is filled with the water, because the rear slot wall 1411 of the first slot 141 is higher than the front slot wall 1412, the water can be prevented from flowing into the door frame 11 through a gap between the bottom end of the front panel 12 and the top end of the lower fixing plate 14, and after the first slot 141 is filled with the water, the water is discharged outwards along the front surface of the lower fixing plate 14, so that a waterproof effect is effectively achieved. Especially, when the control circuit board 15 is disposed at a position of the door frame 11 adjacent to the first slot 141 or a lower portion of the door frame 11, water is prevented from seeping into the door frame 11 and then dripping onto the control circuit board 15, which may cause a failure of the control circuit board 15.

Further, the cooking appliance further includes a case 20. The door mechanism 10 is openably and closably provided at the mouth of the cabinet 20.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. The utility model provides a door body mechanism of cooking appliance which characterized in that, door body mechanism of cooking appliance includes:

the door comprises a door frame, a front panel, an upper fixing plate and a lower fixing plate, wherein the front panel, the upper fixing plate and the lower fixing plate are all arranged on the front side surface of the door frame, the front panel is clamped and fixed between the upper fixing plate and the lower fixing plate, the top end of the lower fixing plate is provided with a first slot, and the bottom end of the front panel is inserted into the first slot; the bottom wall of the first slot is used as a reference surface, and the height of the rear slot wall of the first slot is higher than that of the front slot wall of the first slot.

2. The door mechanism of the electric cooking appliance according to claim 1, further comprising a control circuit board, wherein the door frame is provided with an opening area and a concave portion, the front panel is covered on the opening area, the control circuit board is installed in the concave portion, and the lower fixing plate is covered on the concave portion.

3. The door body mechanism of the cooking appliance according to claim 2, further comprising a plurality of operation keys, wherein the operation keys are in contact fit with the control circuit board, the lower fixing plate is provided with key holes corresponding to the operation keys, and the operation keys pass through the key holes and extend out of the lower fixing plate.

4. The door mechanism of electric cooking appliance according to claim 1, wherein the bottom end of the upper fixing plate presses and fixes the top end of the front panel to the door frame.

5. The door body mechanism of the cooking appliance according to claim 4, wherein a handle assembly is connected to the front side surface of the upper fixing plate, and the handle assembly comprises two handle support legs respectively located at two sides of the upper fixing plate and a handle holding rod connecting the two handle support legs.

6. The door body mechanism of the cooking appliance according to claim 5, further comprising a connecting piece, wherein the connecting piece is connected with the handle holding rod after sequentially passing through the door frame, the upper fixing plate and the handle support leg; the front side and the rear side of the handle support leg are both provided with insertion columns, the handle holding rod and the upper fixing plate are both provided with insertion holes corresponding to the insertion columns, and the insertion columns are arranged in the insertion holes.

7. The door body mechanism of the cooking appliance according to claim 5, wherein the front side of the handle support leg is provided with an extending edge, the extending edge is lapped on the side end of the handle holding rod, the extending edge is provided with a dowel, the handle holding rod is provided with a corresponding second slot, and the dowel is arranged in the second slot.

8. The door body mechanism of the cooking appliance according to claim 1, wherein a wind shield is connected to a front side surface of the upper fixing plate, an upward and/or downward wind outlet channel is formed in a gap between the wind shield and the front side surface of the upper fixing plate, a first wind outlet hole communicated with the wind outlet channel is formed in the upper fixing plate, and a second wind outlet hole communicated with the first wind outlet hole is formed in the door frame.

9. The door body mechanism of the cooking appliance according to any one of claims 1 to 8, further comprising a door frame disposed in the door frame, and a rear shield connected to a rear side of the door frame; the inner side surface of the peripheral wall of the door frame, the connecting ribs and the limiting ribs form clamping grooves, and the peripheral wall of the rear shielding plate is clamped in the clamping grooves.

10. An electric cooking appliance, characterized in that the door body mechanism of the electric cooking appliance is provided according to any one of claims 1 to 9.