CN216393835U

CN216393835U - Cooking utensil open-close cover structure

Info

Publication number: CN216393835U
Application number: CN202122265220.5U
Authority: CN
Inventors: 朱泽春; 袁其炜; 王超
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-29
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a cover opening and closing structure of a cooking utensil, which belongs to the field of kitchen appliances, improves the structural strength of a middle ring, and avoids the influence of deformation of the middle ring on the opening and closing of the cooking utensil.

Description

Cooking utensil open-close cover structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of kitchen appliances, in particular to a cover opening and closing structure of a cooking appliance.

[ background of the utility model ]

Cooking utensil includes the pot body and pot cover, and its pot body of partial cooking utensil and pot cover are connected for articulated, in order to uncap, can set up the torsional spring in order to uncap the in-process and exert the effort on the pot cover in articulated position department, and the while still disposes the back lid that is used for sheltering from the torsional spring in order to prevent that the torsional spring structure from revealing outside and influencing the cooking utensil outward appearance. In order to guarantee that the torsional spring can assist uncapping, the both ends of torsional spring need be fixed respectively on the pot cover and the pot body, among the current cooking utensil, the zhonghuan rear end of the pot body is equipped with one section breach, and the part of back lid is connected in breach department, and the one end of torsional spring is spacing between back lid and breach, and such structure leads to the structural strength of zhonghuan hardly to guarantee, and long-term the use has the risk of deformation, and the connecting area of breach and back lid is little, the structural strength of unable reinforcing zhonghuan.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art and provide the cover opening and closing structure of the cooking utensil, improve the structural strength of the middle ring and avoid the influence of deformation of the middle ring on the cover opening and closing of the cooking utensil.

In order to solve the technical problems, the utility model adopts the following technical scheme:

cooking utensil opens and shuts and covers structure, including zhonghuan, pot cover and torsional spring, the pot cover passes through the torsional spring articulates on the zhonghuan, the torsional spring includes first stiff end and second stiff end, the upper end of zhonghuan is equipped with the installation axle, the torsional spring suit is in install epaxial, be equipped with the locating hole that forms from the upper end undercut on the zhonghuan, first stiff end inserts extremely in the locating hole, be equipped with the locating part on the pot cover, the second stiff end with the locating part joint, be equipped with back lid on the zhonghuan, the lower extreme of back lid is fixed the upper end of zhonghuan just the torsional spring is located back lid is in the projection range of transverse direction.

On the basis of the scheme, the upper end of the middle ring is provided with the mounting seat, the mounting seat comprises a base plate and mounting plates arranged on two sides of the base plate, the mounting shafts are assembled on the two mounting plates, and the rear cover corresponds to the mounting seat.

On the basis of the scheme, the base plate is provided with an internal thread pipe protruding towards the rear cover, the rear cover is fixed with the internal thread pipe through screws, and two sides of the rear cover are abutted to the mounting plate.

On the basis of the scheme, a plurality of reinforcing ribs are arranged on the substrate.

On the basis of the scheme, the base plate is provided with a positioning clamping groove corresponding to the limiting part, and the second fixed end penetrates through the positioning clamping groove and then extends into the pot cover.

On the basis of the scheme, one of the mounting seat and the rear cover is provided with a buckle, and the other one is provided with a buckle block matched with the buckle.

On the basis of the scheme, at least part of the positioning holes are positioned in the projection range of the mounting shaft in the vertical direction.

On the basis of the above scheme, the limiting part comprises a first limiting part, and a through hole for the second fixing end to penetrate through is formed in the first limiting part.

On the basis of the scheme, the limiting part further comprises a second limiting part, the second limiting part is located between the torsion spring and the first limiting part, and a limiting clamping groove for limiting the second fixed end transversely is formed in the second limiting part.

On the basis of the scheme, the rear cover corresponds the second fixed end is provided with an avoiding groove, and the avoiding groove is used for avoiding the second fixed end when the pot cover is opened.

The utility model has the beneficial effects that:

the utility model discloses a cover opening and closing structure of a cooking appliance, namely a structure at a hinged part of a pot body and a pot cover, wherein when the cooking appliance is in a cover closing state, a locking relation exists between the pot body and the pot cover, a torsion spring accumulates elasticity in a torsion state, and after the locking is released, the torsion spring recovers to deform and release the elasticity, so that the pot cover automatically turns relative to the pot body to open the cover, wherein one end of two end parts of the torsion spring is connected to the pot cover, the other end of the torsion spring is connected to the pot body, and the two end parts are respectively a first fixed end and a second fixed end.

In the existing cooking utensil, a rear cover of a shielding hinge structure is arranged at the hinge position of a pot cover and a pot body, the rear cover is arranged on a middle ring of the pot body, a notch is arranged on the side part of the middle ring corresponding to the rear cover, the second fixed end of the torsion spring is inserted into the notch, the rear cover is arranged on the middle ring to limit the second fixed end between the notch and the rear cover, in the application, the upper end of the middle ring is provided with a positioning hole, the second fixed end of the torsion spring can be directly inserted into the positioning hole for positioning during the assembly of the torsion spring, therefore, the side part of the middle ring is not required to be provided with a notch, the side surface of the whole middle ring is continuous in the circumferential direction, the rear cover is directly arranged at the upper end of the middle ring to shield the torsion spring, the cover is not shielded and connected with the side part of the middle ring, so that the size of the rear cover can be reduced, the structural strength of the middle ring is ensured, and the cover of the cooking appliance is prevented from being influenced by the deformation of the middle ring after the cooking appliance is used for a long time.

The rear cover of the existing cooking appliance needs to correspond to the cooking appliance in shape in order to be matched with the notch part on the middle ring, when various cooking appliances adopt the opening and closing cover structure, the middle ring part of the cooking appliance does not need to be provided with a notch at the rear end position, and the rear cover does not need to be provided with a part matched with the notch, so that the universality of the rear cover is improved.

Further, the middle ring upper end is equipped with the mount pad, the mount pad includes the base plate and locates the mounting panel of base plate both sides, the installation axle assembly is on two mounting panels, the back lid corresponds the mount pad setting. The installation axle is used for installing the torsional spring, and the back lid needs shelter from the torsional spring, and the installation axle then sets up on the mount pad, and the back lid corresponds the mount pad setting and shelters from mount pad and installation axle simultaneously.

Furthermore, be equipped with on the base plate to the convex internal thread pipe of back lid, the back lid with the internal thread pipe passes through the fix with screw, the both sides of back lid with the mounting panel offsets. The rear cover is installed on the middle ring in a mode of being fixedly connected with the base plate through screws, two end parts of the rear cover are respectively abutted against the installation plate so as to further improve the stability of the rear cover on the middle ring, meanwhile, the installation plate also positions the rear cover so as to limit the position of the rear cover on the middle ring, the rear cover does not protrude or is sunken inwards so as not to generate obvious deviation with the outer peripheral surface of the inner ring, the middle ring is provided with an edge exposed outside, the appearance of a cooking appliance can be influenced, the use of a user is not convenient, a structure for connecting the rear cover does not need to be additionally arranged on the upper end surface of the middle ring, the strength of the middle ring is ensured, and the general type of the rear cover is improved.

Furthermore, a plurality of reinforcing ribs are arranged on the substrate. The reinforcing ribs are used for enhancing the strength of the base plate, the rear cover and the base plate are in a matching relation, the base plate which is strengthened cannot bend and break due to the thread matching between the base plate and the rear cover in the assembling process, and the stability of the cover opening and closing structure is ensured; in addition, the mounting plates are arranged on two sides of the base plate, the base plate can support the mounting plates, the strength of the base plate is higher, and the supporting effect on the mounting plates is better.

Furthermore, a positioning clamping groove is formed in the base plate corresponding to the limiting part, and the second fixing end penetrates through the positioning clamping groove and then extends into the pot cover. Positioning groove can carry out transverse location to the second stiff end, prevents that the torsional spring from moving along installation axle axial direction and influencing the effect of uncapping, though also be provided with in the pot cover and carry out spacing locating part to the second stiff end, nevertheless locating part and installation axle have certain distance, can't guarantee to the torsional spring at the epaxial location of installation axle.

Furthermore, one of the mounting seat and the rear cover is provided with a buckle, and the other is provided with a buckle block matched with the buckle. The mounting seat and the rear cover are assembled by buckling connection of the buckle and the buckle block, so that the rear cover is fixed on the middle ring and is positioned.

Further, at least part of the positioning hole is located in the projection range of the mounting shaft in the vertical direction. The torsional spring is installed at the installation epaxial, the lid can have the effort to the torsional spring at the lid in-process of opening and shutting for the torsional spring has the pivoted trend, the first stiff end of torsional spring can insert downwards to the locating hole in, can improve the location effect of locating hole to first stiff end, if the skew installation axle setting of locating hole, then can make first stiff end insert the locating hole for inclining, so open and shut and cover the in-process and probably lead to first stiff end to pop out from the locating hole, thereby influence uncapping.

Furthermore, the limiting part comprises a first limiting part, and a through hole for the second fixing end to penetrate through is formed in the first limiting part. The second stiff end obtains spacingly after passing the through-hole its radial direction to avoid uncapping in-process second stiff end and through-hole and break away from the cooperation, also can reduce the skew of second stiff end in horizontal direction simultaneously and lead to the torsional spring to appear position change on the installation axle.

Furthermore, the limiting part further comprises a second limiting part, the second limiting part is located between the torsion spring and the first limiting part, and a limiting clamping groove for limiting the second fixed end transversely is formed in the second limiting part. There is certain interval between first locating part and the torsional spring, and the second stiff end is located behind first locating part, and the second stiff end between first locating part and torsional spring can't obtain effectual spacing in horizontal direction, carries out transverse location in order to utilize spacing draw-in groove to the second stiff end through set up the second locating part between torsional spring and first locating part to fix a position the torsional spring better.

Further, it corresponds to cover the back the second stiff end is equipped with dodges the groove, it is in to dodge the groove the pot cover dodges when opening the second stiff end. The second stiff end can be along with the relative pot body upset of pot cover, and the interval is nearer between back lid and the torsional spring, covers after and sets up to dodge the groove and can avoid the second stiff end to receive blockking of back lid and influence the angle of uncapping when uncapping.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the inside of the pot cover in the embodiment of the present invention;

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

FIG. 4 is a schematic view of the connection between the middle ring and the rear cover according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a middle ring in an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the middle ring and the rear cover in an embodiment of the present invention;

fig. 7 is an enlarged schematic view at B in fig. 6.

Reference numerals:

middle ring 100, positioning hole 110;

the pot cover 200, the first limiting member 210, the through hole 220, the second limiting member 230, and the limiting slot 240;

a torsion spring 300, a first fixing end 310, a second fixing end 320;

the mounting seat 400, the mounting shaft 410, the base plate 420, the mounting plate 430, the internal threaded pipe 440, the buckle 450, the reinforcing ribs 460 and the positioning clamping groove 470;

rear cover 500, buckle piece 510, dodge groove 520.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text mean "serving as an example, embodiment, or illustration," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While specific details are set forth in the following description for the purpose of illustrating the utility model better, it will be apparent to those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 to 5, an embodiment of the present invention discloses a cooking utensil opening and closing structure, including a middle ring 100, a lid 200 and a torsion spring 300, wherein the lid 200 is hinged to the middle ring 100 through the torsion spring 300, the torsion spring 300 includes a first fixing end 310 and a second fixing end 320, an installation shaft 410 is disposed at an upper end of the middle ring 100, the torsion spring 300 is sleeved on the installation shaft 410, a positioning hole 110 recessed downward from the upper end is disposed on the middle ring 100, the first fixing end 310 is inserted into the positioning hole 110, a limiting member is disposed on the lid 200, the second fixing end 320 is clamped with the limiting member, a rear cover 500 is disposed on the middle ring 100, a lower end of the rear cover 500 is fixed at an upper end of the middle ring 100, and the torsion spring 300 is located in a projection range of the rear cover 500 in a transverse direction.

The utility model discloses a cooking utensil opening and closing cover structure, namely a structure at a hinged part of a pot body and a pot cover 200, when the cooking utensil is in a closing cover state, a locking relation exists between the pot body and the pot cover 200, an elastic force is accumulated when a torsion spring 300 is in a torsional state, after the locking is released, the torsion spring 300 recovers to deform and release the elastic force, so that the pot cover 200 automatically turns relative to the pot body to open the cover, wherein one end of two end parts of the torsion spring 300 is connected to the pot cover 200, the other end of the two end parts is connected to the pot body, the two end parts are respectively a first fixed end 310 and a second fixed end 320, and the first fixed end 310 and the second fixed end 320 are respectively positioned by a positioning hole 110 and a limiting piece, so that the torsion spring 300 can be twisted to accumulate and release the elastic force in the process of opening and closing the cover of the cooking utensil.

In the existing cooking utensil, a rear cover of a shielding hinge structure is arranged at the hinge position of a pot cover and a pot body, the rear cover is arranged on a middle ring of the pot body, a notch is arranged on the side part of the middle ring corresponding to the rear cover, the second fixed end of the torsion spring is inserted into the notch, the rear cover is arranged on the middle ring to limit the second fixed end between the notch and the rear cover, in this application, the upper end of the middle ring 100 is provided with a positioning hole 110, the second fixed end 320 of the torsion spring 300 can be directly inserted into the positioning hole 110 for positioning when being assembled, thus, the side of the middle ring 100 does not need to be provided with a notch, the side of the whole middle ring 100 is continuous in the circumferential direction, the rear cover 500 is directly installed at the upper end of the middle ring 100 to shield the torsion spring 300, the size of the rear cover 500 can be reduced, the structural strength of the middle ring 100 is ensured, and the phenomenon that the opening and closing cover of the cooking utensil is influenced by the deformation of the middle ring 100 after the cooking utensil is used for a long time is avoided.

In the existing cooking appliance, the shape of the rear cover needs to correspond to that of the cooking appliance in order to match the notch part on the middle ring, when various cooking appliances adopt the opening and closing cover structure, the middle ring 100 part of the cooking appliance does not need to be provided with a notch at the rear end position, and the rear cover 500 does not need to be provided with a part matched with the notch, so that the universality of the rear cover 500 is improved.

Specifically, be provided with the mount pad 400 that is used for installing installation axle 410 in the upper end of zhonghuan 100, mount pad 400 includes base plate 420, locate the mounting panel 430 of base plate 420 both sides, installation axle 410 fixed mounting is between two mounting panels 430, base plate 420 can support mounting panel 430, avoid mounting panel 430 to appear deformation and lead to installation axle 410 to appear the position change, cover in order to influence the opening and shutting, back lid 500 then corresponds the mount pad 400 setting, shelter from mount pad 400 and installation axle 410 simultaneously.

The two torsion springs 300 are symmetrically distributed on the mounting shaft 410, so that an even acting force can be provided for the pot cover 200, and the stress of the single torsion spring 300 is reduced, so that the automatic cover opening function of the cooking appliance can be smoothly realized.

The positioning hole 110 is disposed between the mounting seat 400 and the edge of the middle ring 100, preferably, the positioning hole 110 is disposed below the mounting shaft 410, so that at least a portion of the positioning hole 110 is located within a projection range of the mounting shaft 410 in a vertical direction, and thus the first fixing end 310 can be inserted into the positioning hole 110 downward, thereby improving a positioning effect of the positioning hole 110 on the first fixing end 310, the lid 200 has an acting force on the torsion spring 300 during the lid opening and closing process, so that the torsion spring 300 has a tendency of rotating relative to the mounting shaft 410, and if the positioning hole 110 is disposed deviating from the mounting shaft 410, the first fixing end 310 can be inserted into the positioning hole 110 in an inclined manner, so that the first fixing end 310 may pop out from the positioning hole 110 during the lid opening and closing process, thereby affecting the lid opening. Of course, the first fixing end is also allowed to be inserted into a portion of the positioning hole located outside the projection range of the mounting shaft in the vertical direction with a certain inclination. In addition, other embodiments are also included, such as: the axial direction of the positioning hole is set to be the same as the tangential direction of the torsion spring, and the first fixing end extends along the tangential direction of the torsion spring (the tangential direction here refers to the tangential direction of the connecting part of the torsion spring and the first fixing end).

Referring to fig. 2 to 7, based on the above embodiments, in one embodiment of the present invention, a mounting structure of the rear cover 500 on the middle ring 100 is specifically described.

The base plate 420 is provided with an internal threaded pipe 440 protruding toward the rear cover 500, the rear cover 500 and the internal threaded pipe 440 are fixed by screws, and both sides of the rear cover 500 abut against the mounting plate 430. The rear cover 500 is mounted on the middle ring 100 by being fixedly connected with the base plate 420 by screws, and two end portions of the rear cover 500 are respectively abutted against the mounting plate 430 to further improve the stability of the rear cover 500 on the middle ring 100, and meanwhile, the mounting plate 430 also positions the rear cover 500 to limit the position of the rear cover 500 on the middle ring 100, so that the rear cover 500 does not protrude or recess inwards to generate obvious deviation with the outer peripheral surface of the inner ring, and the middle ring 100 has an edge exposed outside, which not only affects the appearance of the cooking appliance and is not convenient for users to use, and a structure for connecting the rear cover 500 does not need to be additionally arranged on the upper end surface of the middle ring 100 to ensure the strength of the middle ring 100 and improve the general type of the rear cover 500.

Certainly, the internal thread pipe is arranged on the rear cover, so that the screw hole does not need to be arranged on the rear cover, and the outer pipe of the cooking appliance is improved.

The internal thread pipe 440 is located below the installation shaft 410 to improve the compactness between the rear cover 500 and the middle ring 100, the upper end of the rear cover 500 is further provided with a buckling block 510, the base plate 420 is provided with a buckle 450 capable of being buckled with the buckling block 510, so as to improve the connection strength between the rear cover 500 and the upper end of the base, in addition, the buckle 450 and the buckling block 510 are matched to further have a positioning effect on the rear cover 500, so that the screw hole on the rear cover 500 can be compared with the internal thread pipe 440, and the screw connection can be more convenient and rapid. Of course, the arrangement positions of the buckle and the buckle block can be interchanged, and the matching of the rear cover and the substrate can be realized.

When screw and internal thread pipe 440 cooperate, the both ends of back lid 500 are kept the position unchangeable by mounting panel 430 counterbalance, the screw has the effort towards back lid 500 direction to internal thread pipe 440, avoid base plate 420 to appear deformation in order to overcome the effort of screw thread, be provided with multichannel strengthening rib 460 on the base plate 420, with the intensity that improves base plate 420, improve its bending resistance, thereby avoid base plate 420 to appear crooked at the in-process of lid 500 after the assembly, cracked condition, base plate 420 intensity is big more simultaneously, the supporting effect to mounting panel 430 also can be better, in order to guarantee the stability of opening and shutting the lid structure.

In order to ensure that the opening and closing processes can be performed smoothly, a limiting member is disposed in the pot cover 200 to laterally limit the torsion spring 300 to prevent the torsion spring 300 from moving along the axial direction of the mounting shaft 410, referring to fig. 2, fig. 3 and fig. 5, based on the above embodiment, in an embodiment of the present invention, specifically, the limiting member includes a first limiting member 210, a through hole 220 for the second fixing end 320 to pass through is disposed on the first limiting member 210, the limiting member further includes a second limiting member 230, the second limiting member 230 is disposed between the torsion spring 300 and the first limiting member 210, and a limiting slot 240 for laterally limiting the second fixing end 320 is disposed on the second limiting member 230.

The first limiting member 210 is disposed at a position close to the end of the second fixing end 320, and the second fixing end 320 is limited in the radial direction after passing through the through hole 220, so as to prevent the second fixing end 320 from being disengaged from the through hole 220 in the lid opening process, so that the second fixing end 320 can be turned over relative to the pot body along with the pot lid 200, and meanwhile, the position change of the torsion spring 300 on the mounting shaft 410 caused by the deviation of the second fixing end 320 in the transverse direction can be reduced;

there is a certain interval between the first limiting member 210 and the torsion spring 300, after the second fixing end 320 passes through the first limiting member 210, the second fixing end 320 located between the first limiting member 210 and the torsion spring 300 cannot be effectively limited in the transverse direction, the second fixing end 320 is transversely positioned by using the limiting clamping groove 240 by arranging the second limiting member 230 between the torsion spring 300 and the first limiting member 210, so as to better position the torsion spring 300, and the limiting clamping groove 240 and the through hole 220 are correspondingly arranged, so as to facilitate the cooperation of the second fixing end 320 with the first limiting member 210 and the second limiting member 230.

It still is equipped with positioning groove 470 to correspond spacing on base plate 420, second fixed end 320 runs through positioning groove 470 and then stretches into in pot cover 200 again with first locating part 210, second locating part 230 cooperates, positioning groove 470 can carry out transverse location to second fixed end 320, prevent that torsional spring 300 from removing and influencing the effect of uncapping along installation axle 410 axial direction, though also be provided with in pot cover 200 and carry out spacing locating part to second fixed end 320, there is certain distance between locating part and installation axle 410, can't guarantee the epaxial location of installation axle 410 to torsional spring 300.

The torsion spring 300 is limited by the positioning clamping groove 470, the first limiting member 210 and the second limiting member 230, so that the possibility that the torsion spring 300 can move axially along the mounting shaft 410 is eliminated, the cover opening and closing function can be normally used, and the reliability of the cooking appliance is improved.

In addition, it still is equipped with dodges groove 520 to correspond second stiff end 320 on back lid 500, dodges groove 520 and dodges second stiff end 320 when pot cover 200 is opened, and second stiff end 320 can be along with the relative pot body upset of pot cover 200, and the interval is nearer between back lid 500 and the torsional spring 300, sets up on back lid 500 and dodges groove 520 and can avoid second stiff end 320 to receive blockking of back lid 500 and influence the angle of uncapping when uncapping.

While the utility model has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the utility model as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. Cooking utensil opens and shuts and covers structure, including zhonghuan, pot cover and torsional spring, the pot cover passes through the torsional spring articulates on the zhonghuan, its characterized in that, the torsional spring includes first stiff end and second stiff end, the upper end of zhonghuan is equipped with the installation axle, the torsional spring suit is in install epaxial, be equipped with the locating hole from the upper end undercut formation on the zhonghuan, first stiff end inserts to in the locating hole, be equipped with the locating part on the pot cover, the second stiff end with the locating part joint, be equipped with back lid on the zhonghuan, the lower extreme of back lid is fixed the upper end of zhonghuan just the torsional spring is located back lid is in the projection range of transverse direction.

2. The cover opening and closing structure for cooking utensil as claimed in claim 1, wherein the upper end of the middle ring is provided with a mounting seat, the mounting seat comprises a base plate and mounting plates arranged at two sides of the base plate, the mounting shafts are assembled on the two mounting plates, and the rear cover is arranged corresponding to the mounting seat.

3. The lid opening and closing structure for a cooking utensil as claimed in claim 2, wherein the base plate is provided with an internally threaded tube protruding toward the rear cover, the rear cover and the internally threaded tube are fixed by screws, and both sides of the rear cover abut against the mounting plate.

4. The lid opening and closing structure for cooking utensils as claimed in claim 3, wherein the base plate is provided with a plurality of ribs.

5. The cover opening and closing structure of cooking utensil as claimed in claim 2, wherein the base plate is provided with a positioning slot corresponding to the limiting member, and the second fixing end penetrates through the positioning slot and then extends into the cover.

6. The cover opening and closing structure for cooking utensil as claimed in claim 2, wherein one of the mounting seat and the rear cover is provided with a snap and the other is provided with a block for engaging with the snap.

7. The lid opening and closing structure for cooking utensil as claimed in claim 1, wherein at least part of the positioning hole is located within a projection range of the mounting shaft in a vertical direction.

8. The lid opening and closing structure for cooking utensil as claimed in any one of claims 1 to 7, wherein the limiting member comprises a first limiting member, and a through hole for the second fixing end to pass through is formed on the first limiting member.

9. The lid opening and closing structure of cooking utensil as claimed in claim 8, wherein the limiting member further comprises a second limiting member, the second limiting member is located between the torsion spring and the first limiting member, and the second limiting member is provided with a limiting slot for limiting the second fixing end transversely.

10. The cover opening and closing structure of cooking utensil as claimed in any one of claims 1 to 7, wherein an avoiding groove is provided on the rear cover corresponding to the second fixing end, the avoiding groove avoiding the second fixing end when the lid is opened.