CN211976948U

CN211976948U - Cooking appliance

Info

Publication number: CN211976948U
Application number: CN202020112833.8U
Authority: CN
Inventors: 黄慧敏; 赖建
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: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-11-20
Anticipated expiration: 2030-01-17

Abstract

The utility model provides a cooking appliance, includes a body, box and control box, and the body and box articulate, and the body is equipped with the button that is used for opening the door that is used for placing the door handle or the recess of finger or is equipped with on the control box, is equipped with spacing subassembly on the body, is equipped with rotary type buckle subassembly on the box, buckle subassembly and spacing subassembly looks lock to close a body tightly. The utility model is provided with a bounce-type limiting component on the door body, a buckle component is arranged on the box body, the door body is opened and the lock strip is pulled, and the lock strip rotates to separate from the limiting block; pulling the door body through the door handle to open the door body in two steps; when closing the door, the lock strip contacts and crosses the stopper gradually, and the stopper extrudes elastic contact element towards door body one side, and the stopper is strideed across to the lock strip, and compressed elastic contact element resets and backs up the stopper, and lock strip and stopper lock close the door body in one step, satisfy the new standard operation requirement of UL.

Description

Cooking appliance

Technical Field

The utility model relates to a cooking appliance specifically uses on cooking appliance's the door body.

Background

The microwave oven on the market is basically the operation mode of one step of opening the door, closing the door one step of hand power formula and button etc. when opening the door, the user pulls the door handle with one hand, or presses the button, only needs one step just can open the door body, if child, or adult take place the action of mistake touching, the furnace gate of microwave oven is opened easily, if the microwave oven is in operating condition, then leads to the microwave to leak, is not conform to safe in utilization. The requirements of the operation modes of two-step door opening and one-step door closing of the UL new standard cannot be met. Therefore, it is required to design a door structure of a microwave oven that is not easily opened, thereby improving the safety of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structure sets up rationally, the installation is nimble swift, prevents to open the door by one step, satisfies the new standard two steps of UL and opens the door, the culinary art electrical apparatus that the operation mode that closes the door required by one step to overcome the weak point among the prior art.

According to a cooking device of this purpose design, including a body, box and control box, the body and box articulate, and the body is equipped with the button that is used for opening the door that is used for placing the door handle or the recess of finger or is equipped with on the control box, is equipped with spacing subassembly on its body, is equipped with rotary type buckle subassembly on the box, buckle subassembly and spacing subassembly looks lock to close tight door body. The buckle assembly is buckled with the limiting assembly under the closing state of the door body, and the buckle assembly and the limiting assembly form a buckling device on the door body so as to tightly close the door body and prevent a user from opening the door body in one step.

The limiting assembly comprises a limiting block, the buckle assembly comprises a rotating buckling strip, and the limiting block is buckled with the buckling strip.

The limiting assembly is at least a bouncing type or pressing type limiting assembly, the bouncing type limiting assembly comprises a limiting block, an elastic contact element is arranged at the bottom of the limiting block, the buckle assembly comprises a buckling strip provided with a rotating part and/or an elastic connecting piece, the height of the limiting block on the door body is greater than the height of the buckling strip horizontally placed on the box body, the elastic connecting piece is sleeved on the rotating part, the buckling strip is rotatably arranged on the box body through the rotating part, and the buckling strip is buckled with or separated from the limiting block through the opening and closing of the door body; wherein, the door body is opened and the buckling strip is pulled, and the buckling strip rotates to be separated from the limiting block; in addition, door handle or the recess of the pulling door body, or press the button, in order to open a body, and the lock strip resets through rotation portion and/or elastic connection spare, the lock strip returns the lock at least and places on the position of stopper or level on the position of box, pulling door handle or recess and closing a body, the door body drives the lock strip that the stopper is close to the box, the lock strip contact is crossed the stopper gradually, stopper extrusion elastic contact spare, the stopper is strideed across to the lock strip, compressed elastic contact spare resets and the stopper is backed up to open, lock strip and stopper lock, in order to close a body tightly.

Wherein, the door body is opened and the buckling strip is pulled by one hand, and the buckling strip rotates to be separated from the limiting block; in addition, the door handle or the groove of the door body is pulled by the other hand, so that the door body is opened in a two-step mode, the lock strip resets through the rotating part and/or the elastic connecting piece, the lock strip at least returns to the position of the lock on the limiting block or is horizontally placed on the position of the box body, the door handle or the groove is pulled and the door body is closed, the door body drives the limiting block to be close to the lock strip of the box body, the lock strip contacts and gradually crosses the limiting block, the limiting block extrudes the elastic contact piece towards one side of the door body, the limiting block is crossed by the lock strip, the compressed elastic contact piece resets and pushes the limiting block open, the lock strip and the limiting block are locked, so that the door body is closed in one step, and.

When the door body is opened, one hand dials the buckling strip, the buckling strip rotates to be separated from the limiting block, and the other hand controls the door handle or the groove to open the door body; at the moment, the buckling strips return to the position buckled on the limiting block because of the pressing direction of the pins of the torsion spring.

The limiting block is provided with a buckling surface and a guide inclined surface corresponding to the buckling strip, and the buckling strip spans the limiting block along the guide inclined surface and leans against the buckling surface. The buckling strip is provided with a bending part which is bent upwards or towards the inner side of the buckling surface corresponding to the buckling surface so as to be convenient to abut against the buckling surface.

The top of the door body is provided with a guide block, a limiting block and a compression spring which are assembled into a limiting assembly, the periphery of the bottom of the limiting block is provided with a buckle, the guide block is provided with a mounting groove, a spring accommodating groove is arranged in the mounting groove, the inner wall of the periphery of the mounting groove is provided with a buckle position, one end of the compression spring is positioned in the spring accommodating groove, the buckle at the bottom of the limiting block is buckled in the buckle position, and the other end of; the box top is equipped with the cushion, clamp plate, lock strip and the torsional spring of assembling into buckle subassembly, and lock strip both ends are equipped with the rotation portion of buckling respectively, and the cushion is in the bottom of clamp plate, and the clamp plate is equipped with the assembly groove, and the torsional spring is installed in the assembly groove, and the rotation portion of lock strip inserts in the torsional spring, and the pin of torsional spring is located the clamp plate. The cross section of the assembling groove is arc-shaped.

The cooking electric appliance is at least a microwave oven, an electric oven, a light wave oven or a steaming, baking and sterilizing integrated machine.

The box body is a microwave oven box body, the door body is a microwave oven door body, and the microwave oven door body comprises a door panel, a door frame, a door framework and a rear cover plate which are assembled mutually; the door frame is provided with a door hook piece, and the microwave oven door body is closed towards the microwave oven box body through the door hook piece; the door frame is provided with a door hook piece mounting hole, the door hook piece is provided with an insertion block, and the insertion block of the door hook piece is inserted into the door hook piece mounting hole; the periphery of the door frame is provided with a plurality of choking teeth.

The door hook piece comprises a door hook connecting rod, the door hook connecting rod is provided with an upper door hook and a lower door hook, and the inserting block is arranged on the door hook connecting rod; the door hook connecting rod is further provided with a tension spring hook and a tension spring, the door frame is provided with a hook, one end of the tension spring is buckled on the tension spring hook, the other end of the tension spring is buckled on the hook, the rear cover plate is provided with more than one door hook through hole, and the upper door hook and the lower door hook respectively penetrate through the door hook through holes.

The utility model has the advantages as follows:

a. the door body is provided with a bouncing type limiting assembly, the box body is provided with a buckle assembly, the buckle assembly comprises a buckling strip provided with a rotating part and/or an elastic connecting piece, the bouncing type limiting assembly comprises a limiting block, the bottom of the limiting block is provided with an elastic contact piece, the door body is opened, the buckling strip is pulled by one hand, and the buckling strip rotates to be separated from the limiting block; in addition, the other hand pulls the door handle or the groove of the door body to realize two-step opening of the door body; when the door is closed, the buckling strip is contacted with and gradually crosses the limiting block, the limiting block extrudes the elastic contact piece towards one side of the door body, the buckling strip spans the limiting block, the compressed elastic contact piece resets and jacks the limiting block, the buckling strip and the limiting block are buckled to realize one-step closing of the door body, and the bouncing type limiting assembly meets the operating mode requirements of two-step opening and one-step closing of the door in the UL new standard;

b. the limiting block is provided with a guide inclined plane for reducing the contact resistance with the buckling strip, so that the buckling is facilitated;

c. the limiting block is provided with a fastener for fixing, so that the limiting block cannot fall off in the door closing process, and the use state is stable;

d. the buckling strip is provided with a bending part which is bent upwards or towards the inner side of the buckling surface corresponding to the buckling surface so as to be convenient for abutting against the buckling surface and ensure that the buckling strip is buckled on the limiting block.

Drawings

Fig. 1 is a schematic perspective view of a fastening device according to a first embodiment of the present invention.

Fig. 2 is an exploded schematic view of a fastening device according to a first embodiment of the present invention.

Fig. 3 is a structural schematic view of the first embodiment of the present invention, showing the door body in a closed state.

Fig. 4 is an exploded schematic view of a fastening device on one side of a door body according to a first embodiment of the present invention.

Fig. 5 is an exploded schematic view of a first embodiment of the present invention.

Fig. 6 is a structural schematic view of the first embodiment of the present invention, showing the door body in an open state.

Fig. 7 is an exploded view of the buckle assembly of the first embodiment of the present invention.

Fig. 8 is an exploded view of the buckle assembly according to the first embodiment of the present invention.

Fig. 9 is a schematic structural view of a door body of a microwave oven according to a first embodiment of the present invention.

Fig. 10 is an exploded view of a door body of a microwave oven according to a first embodiment of the present invention.

Fig. 11 is another exploded view of the door of the microwave oven according to the first embodiment of the present invention.

In the drawing, 1 is a limiting block, 1.1 is a fastening surface, 1.2 is a guide inclined surface, 1.3 is a buckle, 2 is an elastic contact element, 3 is a fastening strip, 3.1 is a rotating part, 3.2 is a bending part, 4 is an elastic connecting piece, 5 is a box body, 6 is a door body, 6.1 is a door panel, 6.2 is a door frame, 6.3 is a door frame, 6.4 is a rear cover plate, 6.5 is a door hook mounting hole, 6.6 is a hook, 7 is a guide block, 7.1 is a mounting groove, 7.2 is a spring accommodating groove, 7.3 is a fastening position, 8 is a cushion block, 9 is a pressing plate, 9.1 is an assembly groove, 10 is a door hook connecting rod, 10.1 is an upper door hook, 10.2 is a lower door hook, 10.3 is a tension spring hook, 10.4 is a tension spring, and 11 is a control box.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

The utility model provides a cooking appliance, includes a body 6, box 5 and control box 11, and a body 6 and box 5 articulate, and a body 6 is equipped with the button that is used for placing the door handle or the recess of finger, or is equipped with on the control box 11 and is used for opening the door, is equipped with spacing subassembly on a body 6, is equipped with rotary type buckle subassembly on the box 5, buckle subassembly under the 6 closed condition of a body with spacing subassembly looks lock to close a body 6 tightly. The buckle assembly and the limiting assembly form a buckling device on the door to tightly close the door body and prevent a user from opening the door body in one step.

The limiting assembly comprises a limiting block 1, the buckle assembly comprises a rotating buckling strip 3, the limiting block 1 is buckled with the buckling strip 3, or the buckling strip 3 is separated from the limiting block 1 by rotating the buckling strip 3, and a door body is opened through a door handle, a groove or a button.

Referring to fig. 1 and 2, the limiting assembly is at least a bouncing type limiting assembly, the bouncing type limiting assembly comprises a limiting block 1, an elastic contact element 2 is arranged at the bottom of the limiting block 1, the buckle assembly comprises a buckling strip 3 provided with a rotating part 3.1 and/or an elastic connecting piece 4, the height of the limiting block 1 on the door body 6 is greater than the height of the buckling strip 3 horizontally placed on the box body 5, the elastic connecting piece 4 is sleeved on the rotating part 3.1, the buckling strip 3 is rotatably arranged on the box body 5 through the rotating part 3.1, and the buckling strip 3 is buckled with or separated from the limiting block 1 through the opening and closing of the door body 6; wherein, the door body 6 is opened and the buckling strip 3 is pulled, and the buckling strip 3 rotates to be separated from the limiting block 1; in addition, door handle or the recess of the pulling door body 6, or press the button, in order to open a body, and lock strip 3 resets through rotation portion 3.1 and/or elastic connection piece 4, lock strip 3 returns to the lock at least on the position of stopper 1 or the level is placed on the position of box 5, pulling door handle or recess and closing door body 6, door body 6 drives stopper 1 and is close to lock strip 3 of box 5, lock strip 3 contacts and crosses stopper 1 gradually, stopper 1 extrusion elastic contact 2, lock strip 3 strides across the stopper, compressed elastic contact 2 resets and backs down stopper 1, lock strip 3 and stopper 1 lock, in order to close door body 6. The buckling strip 3 is provided with a rotating part 3.1 through bending or welding.

Wherein, the door body is opened and the buckling strip 3 is pulled by one hand, and the buckling strip 3 rotates to be separated from the limiting block 1; in addition, the door handle or the groove of the door body is pulled by the other hand, so that the door body is opened in a two-step mode, the buckling strip 3 resets through the rotating part 3.1 and/or the elastic connecting piece 4, the buckling strip 3 at least returns to be buckled on the position of the limiting block 1 or is horizontally placed on the position of the box body 5, the door handle or the groove is pulled and the door body is closed, the door body drives the limiting block to be close to the buckling strip of the box body 5, the buckling strip 3 contacts and gradually crosses the limiting block 1, the limiting block 1 extrudes the elastic contact piece 2 towards one side of the door body, the buckling strip 3 crosses the limiting block 1, the compressed elastic contact piece 2 resets and pushes the limiting block 1 open, the buckling strip 3 is buckled with the limiting block 1, so that the door body is closed in a one-step mode.

When the door body is opened, one hand is used for poking the buckling strip 3, the buckling strip 3 rotates to be separated from the limiting block 1, and the other hand is used for controlling the door handle or the groove to open the door body; at this moment, the buckling strip 3 returns to the position buckled on the limiting block because of the pressing direction of the pins of the torsion spring.

The stopper 1 corresponds lock strip 3 and is equipped with lock face 1.1 and direction inclined plane 1.2, and lock strip 3 stridees across stopper 1 along direction inclined plane 1.2 and supports and lean on lock face 1.1. The buckling strip 3 is provided with a bending part 4.2 which is bent upwards or towards the inner side of the buckling surface 1.1 corresponding to the buckling surface so as to be propped against the buckling surface 1.1.

Referring to fig. 3-5, a guide block 7, a limiting block 1 and a compression spring assembled into a limiting assembly are arranged at the top of a door body 6, a buckle 1.3 is arranged at the periphery of the bottom of the limiting block 1, the guide block 7 is provided with an installation groove 7.1, a spring accommodating groove 7.2 is arranged in the installation groove 7.1, a buckling position 7.3 is arranged on the peripheral inner wall of the installation groove 7.1, one end of the compression spring is positioned in the spring accommodating groove 7.2, the buckle 1.3 at the bottom of the limiting block 1 is buckled in the buckling position 7.3, and the other end of the compression spring is; the top of the box body 5 is provided with a cushion block 8, a pressing plate 9, a buckling strip 3 and a torsion spring which are assembled into a buckle assembly, two ends of the buckling strip 3 are respectively provided with a bent rotating part 3.1, the cushion block 8 is arranged at the bottom of the pressing plate 9, the pressing plate 9 is provided with an assembling groove 9.1, the torsion spring is installed in the assembling groove 9.1, the rotating part 3.1 of the buckling strip 3 is inserted into the torsion spring, and a pin of the torsion spring is positioned in the pressing plate 9.

Referring to fig. 6-7, the cooking appliance is in a door closing state, when the door needs to be opened, one side of the cooking appliance dials up the fastening strip 3, the fastening strip 3 leaves the limiting block 1, and the other side of the cooking appliance holds the door handle of the door body 6 to pull the door body 6 open (after the door is opened, the fastening strip 3 is released, and the fastening strip 3 returns to the position fastened on the limiting block 1 due to the elastic force of the torsion spring). If the door handle is directly pulled out of the door body 6 without pulling the buckling strip 3, the door body 6 cannot be opened due to the buckling strip 3 being buckled on the limiting block 1.

Referring to fig. 8, the torsion spring of the buckle assembly is sleeved in the arc-shaped curved surface assembling groove 9.1 of the pressing plate 9, then the two ends of the buckling strip 6 are buckled into the torsion spring, then the assembled buckling strip 6, the torsion spring and the pressing plate 9 are fastened on the cushion block 8, and finally the whole buckle assembly is installed on the top of the box body 5. The cushion block 8 is fixed on the top of the box body 5 through welding, or clamping, or screws; the pressure plate 9 is fixed on the top of the cushion block 8 by welding, or clamping, or screws.

When cooking appliance is in the state of opening the door, when needing to close the door, promote a body 6, when stopper 1 and buckling strip 6 contact (under the state of opening the door, buckling strip 6 is in the horizontality), stopper 1 receives the downward effort of buckling strip 6, makes the spring compression of installing in stopper 1 below receive the extrusion, stopper 1 downstream in guide block 7, continues to promote a body 6, one-step door closing, compression spring resumes free state, stopper 1 upstream movement in guide block 7 resumes original state.

One side of the limiting block 1 is designed to be a right-angled buckling surface 1.1 so as to limit a buckling strip 6, and the buckling strip 6 is abutted and contacted with the buckling surface 1.1 so as to buckle the buckling strip 6 with the limiting block 1; the other side of the limiting block 1 is designed to be an inclined guide inclined plane 1.2, so that the resistance of contact with the buckling strip 6 when the door is closed is reduced.

The periphery of the bottom of the limiting block 1 is provided with a buckle 1.3, so that the stroke of the limiting block 1 in the guide block 7 is ensured, and the limiting block 1 cannot be separated.

Referring to fig. 9, the door body 6 is at least a microwave oven door body, and the microwave oven door body comprises a door panel 6.1, a door frame 6.2, a door frame 6.3 and a rear cover plate 6.4 which are assembled with each other; wherein, the door frame 6.3 is provided with a door hook piece, and the microwave oven door body is closed to the microwave oven box body through the door hook piece; the door frame 6.3 is provided with a door hook piece mounting hole 6.5, the door hook piece is provided with an insertion block, and the insertion block of the door hook piece is inserted into the door hook piece mounting hole 6.5; the periphery of the door frame 6.3 is provided with a plurality of choking teeth.

The door hook piece comprises a door hook connecting rod 10, the door hook connecting rod 10 is provided with an upper door hook 10.1 and a lower door hook 10.2, and the inserting block is arranged on the door hook connecting rod 10; the door hook connecting rod 10 is further provided with a tension spring hook 10.3 and a tension spring 10.4, the door frame 6.3 is provided with a hook 6.6, one end of the tension spring 10.4 is buckled on the tension spring hook 10.3, the other end of the tension spring 10.4 is buckled on the hook 6.6, the rear cover plate 6.4 is provided with more than one door hook through hole, and the upper door hook 10.1 and the lower door hook 10.2 respectively penetrate through the door hook through holes.

Second embodiment

A cooking appliance differs from the first embodiment in that: the door body 6 is provided with a door handle or a groove for placing fingers, the door body 6 is provided with a pressing type limiting assembly, and the pressing type limiting assembly comprises a pressing type button switch; when the door is opened, one hand presses the button switch, and the other hand pulls the door handle or the groove to open the door body; when the door body is closed, the door body rotates towards the box body 5, the button switch is pressed, the button switch is reset, and the buckling strip 3 is buckled with the button switch to tightly close the door body.

If the button switch is not pressed down, the buckling strip 3 is buckled with the button switch, and a user cannot directly pull the door handle or press the button to open the door body.

Other parts not described are as described in the first embodiment and will not be described in detail here.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooking appliance, includes door body (6), box (5) and control box (11), and door body (6) and box (5) articulate, and door body (6) are equipped with the button that is used for opening the door that is equipped with door handle or recess, or control box (11) that are used for placing the finger, its characterized in that: be equipped with spacing subassembly on the door body (6), be equipped with rotary type buckle subassembly on box (5), buckle subassembly and spacing subassembly looks lock under door body (6) closed condition to close door body (6).

2. The cooking appliance according to claim 1, wherein: the limiting assembly comprises a limiting block (1), the buckle assembly comprises a rotating buckling strip (3), and the buckling strip (3) is buckled with the limiting block (1).

3. The cooking appliance according to claim 1, wherein: the limiting assembly is at least a bouncing type or pressing type limiting assembly, the bouncing type limiting assembly comprises a limiting block (1), an elastic contact element (2) is arranged at the bottom of the limiting block (1), the buckle assembly comprises a buckling strip (3) provided with a rotating part (3.1) and/or an elastic connecting piece (4), the height of the limiting block (1) on the door body (6) is larger than the height of the buckling strip (3) horizontally placed on the box body (5), the elastic connecting piece (4) is sleeved on the rotating part (3.1), the buckling strip (3) is rotatably arranged on the box body (5) through the rotating part (3.1), and the buckling strip (3) is buckled or separated with the limiting block (1) through the opening and closing of the door body (6); wherein, the door body (6) is opened and the buckling strip (3) is pulled, and the buckling strip (3) rotates to be separated from the limiting block (1); in addition, door handle or the recess of the pulling door body (6), or press the button, in order to open the door body, and lock strip (3) reset through rotation portion (3.1) and/or elastic connection spare (4), lock strip (3) return to the lock at least on the position of stopper (1) or the level is placed on the position of box (5), pulling door handle or recess and closing a body (6), door body (6) drive stopper (1) be close to lock strip (3) of box (5), lock strip (3) contact and cross stopper (1) gradually, stopper (1) extrusion elastic contact spare (2), stopper (1) are strideed across in lock strip (3), compressed elastic contact spare (2) reset and top open stopper (1), lock strip (3) and stopper (1) lock, in order to close door body (6).

4. The cooking appliance according to claim 3, wherein: the limiting block (1) is provided with a buckling surface (1.1) and a guide inclined surface (1.2) corresponding to the buckling strip (3), and the buckling strip (3) crosses the limiting block (1) along the guide inclined surface (1.2) and is abutted against the buckling surface (1.1).

5. Cooking appliance according to any one of claims 1 to 4, characterized in that: the top of the door body (6) is provided with a guide block (7), a limiting block (1) and a compression spring which are assembled into a limiting assembly, the periphery of the bottom of the limiting block (1) is provided with a buckle (1.3), the guide block (7) is provided with a mounting groove (7.1), a spring accommodating groove (7.2) is formed in the mounting groove (7.1), the peripheral inner wall of the mounting groove (7.1) is provided with a buckling position (7.3), one end of the compression spring is located in the spring accommodating groove (7.2), the buckle (1.3) at the bottom of the limiting block (1) is buckled in the buckling position (7.3), and the other end of the compression spring is contacted with the; the box (5) top is equipped with the cushion (8), clamp plate (9), lock strip (3) and the torsional spring of assembling into buckle subassembly, lock strip (3) both ends are equipped with the rotation portion (3.1) of buckling respectively, cushion (8) are in the bottom of clamp plate (9), clamp plate (9) are equipped with assembly groove (9.1), the torsional spring is installed in assembly groove (9.1), rotation portion (3.1) of lock strip (3) insert in the torsional spring, and the pin of torsional spring is located clamp plate (9).

6. The cooking appliance according to claim 5, wherein: the cooking electric appliance is at least a microwave oven, an electric oven, a light wave oven or a steaming, baking and sterilizing integrated machine.

7. The cooking appliance according to claim 5, wherein: the door body (6) is at least a microwave oven door body, and the microwave oven door body comprises a door panel (6.1), a door frame (6.2), a door framework (6.3) and a rear cover plate (6.4) which are assembled with each other; wherein, the door frame (6.3) is provided with a door hook part, and the microwave oven door body is closed to the microwave oven box body through the door hook part; the door frame (6.3) is provided with a door hook piece mounting hole (6.5), the door hook piece is provided with an insertion block, and the insertion block of the door hook piece is inserted into the door hook piece mounting hole (6.5); the periphery of the door frame (6.3) is provided with a plurality of choking teeth.

8. The cooking appliance according to claim 7, wherein: the door hook piece comprises a door hook connecting rod (10), the door hook connecting rod (10) is provided with an upper door hook (10.1) and a lower door hook (10.2), and the inserting block is arranged on the door hook connecting rod (10); door hook connecting rod (10) still are equipped with extension spring hook (10.3) and extension spring (10.4), and door skeleton (6.3) are equipped with couple (6.6), and extension spring (10.4) one end lock is on extension spring hook (10.3), and extension spring (10.4) other end lock is on couple (6.6), and back shroud (6.4) are equipped with more than one door hook through-hole, go up door hook (10.1) and pass through door hook through-hole respectively with lower door hook (10.2).