CN108713977B

CN108713977B - Electric cooker

Info

Publication number: CN108713977B
Application number: CN201810831700.3A
Authority: CN
Inventors: 曾国辉; 张源智; 康津; 李锦彬; 高塬贵; 乡志祥
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-07-26
Filing date: 2018-07-26
Publication date: 2023-10-03
Anticipated expiration: 2038-07-26
Also published as: CN108713977A

Abstract

The invention relates to an electric cooker, comprising: the pot body comprises a base and a support ring, wherein the support ring is arranged on the base and is partially accommodated in the base, and a button hole is formed in the base; a pot cover rotatably connected to the support ring and opened and closed relative to the pot body; an uncapping assembly comprising: the buckle plate is positioned between the base and the support ring and is elastically connected with the support ring, one end of the buckle plate is rotationally connected with the support ring, and the other end of the buckle plate is detachably buckled with the pot cover; the button is movably arranged in the button hole along the direction of driving the pinch plate to rotate relative to the support ring and is elastically connected with the pinch plate; wherein, one side of buckle is provided with two at least locating parts, and wherein two locating parts face each other and set up in the both ends of buckle, and when the button breaks away from the button hole, two locating parts and the contact of the side reason of button and with the position of restriction button. The electric cooker has the advantages that the button has small-amplitude rotation, the hand feeling is good, the gap between the button and the cooker body is small, and the button and the cooker body cannot be blocked.

Description

Electric cooker

Technical Field

The invention relates to the technical field of household appliances, in particular to an electric cooker.

Background

The electric cooker is also called as electric cooker or electric rice cooker, which is a cooker utilizing electric energy to convert into internal energy and has various operation functions of steaming, boiling, stewing and the like for food.

The electric cooker comprises a cooker cover, a cooker body and a cover opening assembly, wherein the cover opening assembly comprises a button, a buckle plate and an elastic piece, the button is arranged in a button hole of the cooker body and connected with the buckle plate, the lower end of the buckle plate is connected with the cooker body through a shaft, the upper end of the buckle plate is provided with a cover closing buckle which is buckled with the cooker cover, and the elastic piece is used for enabling the buckle plate to keep a buckled state with the cooker cover. The button is pressed, the button drives the buckle plate to rotate relative to the cooker body through the shaft, the buckle plate compresses the elastic piece, and the closing buckle of the buckle plate is separated from the cooker cover, so that the purpose of opening the cover is achieved.

However, the electric cooker has the problems of poor hand feeling, overlarge gap between the button and the cooker body and clamping between the button and the cooker body.

Disclosure of Invention

Based on this, it is necessary to provide an electric cooker with better hand feeling, smaller gap between the button and the cooker body and no blocking between the button and the cooker body, aiming at the problems that the hand feeling is poor, the gap between the button and the cooker body is overlarge and the blocking between the button and the cooker body occurs in the traditional electric cooker.

An electric rice cooker, comprising:

the pot body comprises a base and a support ring, wherein the support ring is arranged on the base and is partially accommodated in the base, and a button hole is formed in the base;

a pot cover rotatably connected to the support ring and opened and closed relative to the pot body;

an uncapping assembly comprising:

a buckle plate which is positioned between the base and the support ring and is elastically connected with the support ring, one end of the buckle plate is rotationally connected with the support ring, and the other end of the buckle plate is detachably buckled with the pot cover;

the button is movably arranged in the button hole along the direction of driving the pinch plate to rotate relative to the support ring and is elastically connected with the pinch plate;

wherein, one side of buckle is provided with two at least locating parts, wherein two locating parts each other face set up in the both ends of buckle, when the button breaks away from the button hole the two locating parts with the side edge contact of button is with restriction the position of button.

When the acting force is applied to the button, the button transmits the acting force to the buckle plate, the buckle plate rotates relative to the supporting ring, and when the button is not separated from the button hole of the base, the button moves in the button hole along a straight line under the limiting action of the base all the time due to the elastic connection of the button and the buckle plate. When the buckle plate further rotates relative to the supporting ring, the button is separated from the button hole of the base, if the buckle plate is not limited at the moment, the button can rotate with the buckle plate to a larger extent, but after the button is separated from the button hole of the base, the limiting piece rotating together with the buckle plate is contacted with the side edge of the button, the direction of the acting force applied to the button by the limiting pieces at the two ends of the buckle plate is different, the acting forces in different directions can be counteracted, and the limiting piece can limit the position of the button at the moment so as to prevent the button from rotating to a larger extent. Therefore, in the process of uncovering, the button moves in the button hole linearly all the time, so that the gap between the button and the base is compensated, a larger gap between the button and the base cannot occur, and the cover is attractive; and no large-amplitude corner exists in the uncapping stroke, so that the uncapping process is smooth and not buckled, and the hand feeling is better.

In one embodiment, the plurality of limiting members are uniformly and alternately arranged on the same circumference, and each limiting member comprises a limiting surface in contact with the side edge of the button, and when the button is separated from the button hole, the limiting surface is in contact with the inner side surface of the side edge of the button or the outer side surface of the side edge of the button.

In one embodiment, the stop surface acts in a surface-to-surface manner with the inner side of the side edge of the button or the outer side of the side edge of the button.

In one embodiment, the outer side surface of the side edge of the button and the inner side surface of the side edge of the button are both curved surfaces, and the limiting surface is an arc matched with the curved surfaces.

In one embodiment, the limiting piece comprises a limiting plate and two reinforcing plates connected to two sides of the limiting plate, and the limiting surface is formed on the outer side surface or the inner side surface of the limiting plate.

In one embodiment, the limiting member is perpendicular to the pinch plate.

In one embodiment, the device further comprises a first elastic piece and a second elastic piece, wherein the first elastic piece is supported between the pinch plate and the supporting ring, and the second elastic piece is supported between the button and the pinch plate.

In one embodiment, a first sleeving part is arranged on one side of the button, which faces the buckle plate, a second sleeving part opposite to the first sleeving part is arranged on one side of the buckle plate, which faces the button plate, and two ends of the second elastic part are sleeved outside the first sleeving part and the second sleeving part respectively.

In one embodiment, a buckle is disposed on one side of the button facing the buckle plate, the buckle plate is provided with a through hole, the buckle movably penetrates through the through hole, and a hook portion for preventing the buckle from separating from the through hole is disposed at one suspended end of the buckle.

In one embodiment, the number of the fasteners is multiple, the fasteners are uniformly arranged on the same circumference at intervals, the number of the perforations is equal to that of the fasteners, the perforations are uniformly arranged at intervals and surround at least two limiting parts, and each fastener movably penetrates through each perforation.

Drawings

FIG. 1 is an exploded view of an electric rice cooker according to an embodiment of the present invention;

fig. 2 is an exploded view of an open cover assembly in the rice cooker provided in fig. 1;

FIG. 3 is an assembled view of the rice cooker provided in FIG. 1;

fig. 4 is an enlarged view of a portion a of the electric rice cooker provided in fig. 3.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" 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," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As described in the background art, the electric cooker in the prior art has the problems of poor hand feeling, overlarge gap between the button and the cooker body and blocking between the button and the cooker body, and the inventor researches and discovers that the root cause of the problems is that in the traditional electric cooker, because the button is directly connected (rigidly connected) with the buckle plate, when the button is pressed, the buckle plate is overturned along with the buckle plate in the process of overturning the buckle plate relative to the cooker body through the shaft, the hand of a user has a larger amplitude overturned along with the button, and the problem of poor hand feeling exists; when the button is turned over, the gap between the button and the cooker body is gradually increased at one side facing away from the turning direction of the button, so that the structure inside the cooker body can be seen, and the appearance is influenced; when the button is turned over, the gap between the button and the cooker body is gradually reduced towards one side of the turning direction of the button, and the button and the cooker body are easy to be blocked.

Referring to fig. 1-3, an embodiment of the present invention provides an electric cooker 100, which includes a cooker body 10, a cooker cover 20, and a cover opening assembly 30, wherein one end of the cooker cover 20 is rotatably connected with the cooker body 10, the other end of the cooker cover 20 is covered on the cooker body 10, and the cover opening assembly 30 is used for opening and closing the cooker cover 20.

The cooker body 10 comprises a base 11 and a supporting ring 12, a button hole 111 for installing a button 31 is arranged on the side surface of the base 11, the height direction of the electric cooker 100 is defined as the longitudinal direction based on the normal working state of the electric cooker 100 (the state when the electric cooker 100 is horizontally placed on a supporting table surface), the transverse direction is the direction perpendicular to the longitudinal direction, and the button hole 111 is arranged on the base 11 along the transverse direction. The support ring 12 is disposed on the base 11, and a portion of the support ring 12 is accommodated in the base 11, one end of the pot cover 20 is rotatably connected with the support ring 12, and the other end of the pot cover 20 is covered on the support ring 12.

The cover opening assembly 30 includes a button 31, a buckle plate 32, a first elastic member 33 (specifically, a spring) and a second elastic member 34 (specifically, a spring), the button 31 is disposed in the button hole 111, the buckle plate 32 is located between the base 11 and the support ring 12, the first elastic member 33 is supported between the buckle plate 32 and the support ring 12, i.e. one side of the buckle plate 32 is elastically connected with the support ring 12 through the first elastic member 33, and the second elastic member 34 is supported between the button 31 and the buckle plate 32, i.e. the other side of the buckle plate 32 is elastically connected with the button 31 through the second elastic member 34. One end of the buckle plate 32 (the bottom end of the buckle plate 32 when the electric cooker 100 works normally) is rotatably connected with the support ring 12, and the other end of the buckle plate 32 (the top end of the buckle plate 32 when the electric cooker 100 works normally) is buckled with the other end of the cooker cover 20.

When the lid 20 is to be closed, a force is applied to the lid 20, the lid 20 is pressed down to apply a force to the pinch plate 32, the pinch plate 32 compresses the second elastic member 34 and transmits the force to the pinch plate 32, the pinch plate 32 compresses the first elastic member 33 and rotates relative to the support ring 12 to open the lid 20, and when the lid 20 is to be closed, the pinch plate 32 compresses the second elastic member 34 and rotates relative to the support ring 12, and then the lid 20 is snapped with the pinch plate 32, and the lid 20 is closed on the support ring 12.

It should be understood that, in other embodiments, the cover assembly 30 may not be provided with the first elastic member 33 and the second elastic member 34 separately, for example, the button 31 may be provided with elasticity, and the elastic connection between the button 31 and the buckle 32 may be achieved, which is also the buckle 32, which is not limited herein.

The button 31 includes a button body 311, the button body 311 is button-shaped, and a receiving groove 3111 is provided on a side of the button body 311 facing the buckle 32. The buckle 32 includes a buckle body 321, the buckle body 321 is elastically connected with the button body 311 through a second elastic member 34, one side of the buckle body 321 facing the button 31 extends to be provided with a plurality of limiting members 322, wherein two limiting members 322 are arranged at two ends of the buckle 32 along the longitudinal direction and face each other, and when the button body 311 is separated from the button hole 111 of the base 11, two limiting members 322 arranged at two ends of the buckle 32 along the longitudinal direction are contacted with side edges of the button body 311 to limit the position of the button body 311.

Each of the stoppers 322 includes a stopper surface contacting with a side edge of the button body 311, and the contact manner between the two stoppers 322 and the side edge of the button body 311 may be as follows:

1. the limiting surfaces of the two limiting pieces 322 are abutted with the outer side surfaces of the side edges of the button main body 311;

2. the two limiting pieces 322 are accommodated in the accommodating groove 3111, and the limiting surfaces are all abutted with the inner side surfaces of the side edges of the accommodating groove 3111;

3. one of the two limiting members 322 is accommodated in the accommodating groove 3111, the limiting surface of one limiting member 322 is abutted against the outer side surface of the side edge of the button main body 311, and the limiting surface of the other limiting member 322 is abutted against the inner side surface of the side edge of the accommodating groove 3111 of the button main body 311.

Thus, when the force is applied to the button body 311, the button body 311 transmits the force to the buckle body 321 through the second elastic member 34, the buckle body 321 rotates relative to the support ring 12, and when the button body 311 is not separated from the button hole 111 of the base 11, the button body 311 moves in the button hole 111 in a straight line under the limiting action of the base 11 due to the elastic connection between the button body 311 and the buckle body 321. When the buckle body 321 rotates further relative to the support ring 12, the button body 311 will separate from the button hole 111 of the base 11, if the buckle body 321 is not provided with the limiting piece 322, the button body 311 will rotate with the buckle body 321 to a larger extent, but when the button body 311 separates from the button hole 111 of the base 11, the limiting piece 322 rotating together with the buckle body 321 contacts with the side edge of the button body 311, and the directions of the forces applied to the button body 311 by the limiting pieces 322 at the two ends of the buckle body 321 along the longitudinal direction are different, the forces in different directions can be counteracted, at this time, the limiting piece 322 can limit the position of the button body 311 to prevent the button body 311 from rotating to a larger extent, so that, because the button body 311 moves linearly in the button hole 111 all the time in the process of uncovering, the gap between the button body 311 and the base 11 is compensated, no larger gap exists between the button body 311 and the base 11, and the button body 311 is attractive; and no large-amplitude corner exists in the uncapping stroke, so that the uncapping process is smooth and not buckled, and the hand feeling is better.

In this embodiment, the cross section of the accommodating groove 3111 is circular, the plurality of limiting members 322 are uniformly arranged on the same circumference at intervals, the limiting surfaces of the plurality of limiting members 322 are all in contact with the inner side surface of the side edge of the button body 311, or the limiting surfaces of the plurality of limiting members 322 are all in contact with the outer side surface of the side edge of the button body 311, or the limiting surfaces of some of the plurality of limiting members 322 are in contact with the inner side surface of the side edge of the button body 311, and the limiting surfaces of other part are in contact with the outer side surface of the side edge of the button body 311.

Specifically, the limiting surfaces of the limiting members 322 are abutted against the inner side surfaces of the side edges of the button main body 311, so that the design is facilitated. More specifically, the number of the limiting members 322 is six, the included angle formed by the connecting lines between every two adjacent limiting members 322 and the center of the circle is 60 °, in other embodiments, the number of the limiting members 322 may be two, three, four, five or more than six, which is not limited herein.

In this embodiment, the limiting member 322 is perpendicular to the buckle body 321, and the limiting surface of the limiting member 322 acts in a surface-to-surface manner with the inner side surface of the side edge of the button body 311 or the outer side surface of the side edge of the button body 311.

Specifically, the limiting member 322 includes a limiting plate 3221 and a reinforcing plate 3222, the two reinforcing plates 3222 are respectively connected to two ends of the limiting plate 3221, and the limiting surface is formed on an outer side surface of the limiting plate 3221.

Specifically, the outer side surface of the stopper 3221 has an arc shape matching the inner side surface of the side edge of the button body 311 so as not to block the button 31 from normally moving toward or away from the buckle plate 32 while being stopped. In other embodiments, when the stopper 322 abuts against the outer side surface of the side edge of the button body 311, the stopper surface is formed on the inner side surface of the stopper plate 3221, and the inner side surface of the stopper plate 3221 is designed into an arc shape corresponding to the shape of the outer side surface of the button body 311.

Referring to fig. 4, in this embodiment, the button 31 further includes a first sleeving member 312, the first sleeving member 312 is connected to the bottom wall of the accommodating groove 3111, the buckle body 321 is provided with a second sleeving member 3211, the second sleeving member 3211 is opposite to the first sleeving member 312, and two ends of the second elastic member 34 are respectively sleeved outside the first sleeving member 312 and the second sleeving member 3211. The arrangement of the first and second sleeves 312, 3211 may facilitate the installation of the second elastic member 34. It is understood that in other embodiments, the button 31 may omit the first sleeve member 312, and the buckle 32 may omit the second sleeve member 3211 correspondingly, and the second elastic member 34 may be directly disposed between the button 31 and the buckle body 321. In other embodiments, the button 31 may include a guide post, where the guide post is connected to the bottom wall of the accommodating groove 3111, the buckle body 321 is provided with a guide post hole, the second elastic member 34 is sleeved outside the guide post, and the guide post is disposed in the guide post hole in a penetrating manner, so that the installation of the second elastic member and the guiding of the button 31 are not limited herein.

In this embodiment, the taper of the end of the second elastic member 34 near the button body 311 gradually increases to the taper of the end of the second elastic member 34 near the buckle body 321. It will be appreciated that in other embodiments, the two ends of the second elastic member 34 are the same size, and are not limited herein.

With continued reference to fig. 2, in this embodiment, the button 31 further includes a buckle 313, the buckle 313 is connected to an edge of a side of the button body 311 facing the buckle 32, a through hole 3212 is formed in the buckle body 321, the buckle 313 movably penetrates through the through hole 3212, and a hook portion for preventing the buckle 313 from being separated from the through hole 3212 is disposed at one end of the hanging hole of the buckle 313. When the button 31 is pressed, the catch 313 moves in the through hole 3212, and when the button 31 is released, the catch 313 is limited in the through hole 3212 by the action of the hook portion, and cannot be separated from the through hole 3212 by the elastic action of the second elastic member 34.

Specifically, the number of the plurality of fasteners 313 is plural, the plurality of fasteners 313 are uniformly arranged on the same circumference at intervals, the number of the through holes 3212 is plural equal to the number of the fasteners 313, and the plurality of through holes 3212 are also surrounded to form a circle, and each fastener 313 is respectively inserted into each through hole 3212.

More specifically, the second sleeve 3211 is surrounded by a circle formed by the plurality of holes 3212, the circle formed by the plurality of holes 3212 is concentric with the circle formed by the at least two limiting plates 3221, and the circle formed by the plurality of holes 3212 surrounds the circle formed by the at least two limiting plates 3221.

In this embodiment, the buckle 32 further includes two rotating shafts 323, the two rotating shafts 323 are respectively disposed at two sides of the bottom end of the buckle body 321, and the two rotating shafts 323 are symmetrically disposed relative to the center line of the buckle body 321, accordingly, the support ring 12 is provided with shaft holes 121 corresponding to the two rotating shafts 323, the two rotating shafts 323 are respectively disposed in the two shaft holes 121, and the two rotating shafts 323 can rotate in the shaft holes 121.

The buckle plate 32 further comprises a first closing buckle 324, the first closing buckle 324 is connected with the top end of the buckle plate main body 321, correspondingly, a second closing buckle matched with the first closing buckle 324 is arranged on the cooker cover 20, and the first closing buckle 324 of the buckle plate 32 is buckled with the second closing buckle of the cooker cover 20.

The working process of the electric cooker 100 provided by the embodiment of the invention is as follows:

when the pot cover 20 needs to be opened, an acting force is applied to the button main body 311, the buckle 313 of the button main body 311 moves in the through hole 3212 of the buckle plate main body 321, meanwhile, the second elastic piece 34 is compressed and an acting force is applied to the buckle plate main body 321, the buckle plate main body 321 compresses the first elastic piece 33 and rotates relative to the support ring 12 through the rotating shaft 323, and the first cover closing buckle 324 at the top end of the buckle plate main body 321 is separated from the second cover closing buckle of the pot cover 20 to realize cover opening;

when the cooker cover 20 is required to be covered, an acting force is applied to the cooker cover 20, the cooker cover 20 is pressed down to apply an acting force to the first cover closing buckle 324, the first cover closing buckle 324 moves, the buckle plate main body 321 and the first cover closing buckle 324 are linked together and compress the second elastic piece 34, at this time, the buckle plate main body 321 rotates relative to the support ring 12, and then the second cover closing buckle of the cooker cover 20 is buckled with the first cover closing buckle 324 of the buckle plate 32, so that cover closing is completed.

According to the electric cooker 100 provided by the embodiment of the invention, when the button 31 is not separated from the button hole 111 of the base 11, the button 31 moves in the button hole 111 along a straight line under the limit action of the base 11 all the time due to the elastic connection of the button 31 and the pinch plate 32. After the button 31 is separated from the button hole 111 of the base 11, if the buckle 32 is not provided with the limiting member 322, the button 31 will rotate with the buckle 32 to a larger extent, but in the electric cooker 100 of the embodiment, since the buckle 32 is provided with the limiting member 322 which rotates with the buckle 32 at this time and the limiting member 322 contacts with the side edge of the button 31, and the directions of the forces applied to the button 31 by the limiting members 322 located at two ends of the buckle 32 in the longitudinal direction are different, the forces in different directions can be offset, and then the limiting member 322 can limit the position of the button 31 to prevent the button 31 from rotating with the buckle 32 to a larger extent. In this way, since the button 31 moves linearly in the button hole 111 all the time during the cover opening process, the gap between the button 31 and the base 11 is compensated, no larger gap exists between the button 31 and the base 11, and the appearance is attractive; and no large-amplitude corner exists in the uncapping process, so that the uncapping process is smooth and not buckled, and the hand feeling is good.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. An electric rice cooker (100), characterized by comprising:

the cooker body (10) comprises a base (11) and a supporting ring (12), wherein the supporting ring (12) is arranged on the base (11) and is partially accommodated in the base (11), and a button hole (111) is formed in the base (11);

a pot cover (20) rotatably connected to the support ring (12) and opened and closed relative to the pot body (10);

uncapping assembly (30), comprising:

a buckle plate (32) which is positioned between the base (11) and the support ring (12) and is elastically connected with the support ring (12), one end of the buckle plate is rotationally connected with the support ring (12), and the other end of the buckle plate is detachably buckled with the pot cover (20);

the button (31) is movably arranged in the button hole (111) along the direction of driving the pinch plate (32) to rotate relative to the support ring (12) and is elastically connected with the pinch plate (32);

wherein, one side of buckle (32) is provided with a plurality of locating parts (322), wherein two locating parts (322) face each other set up in buckle (32) both ends, when button (31) break away from button hole (111) time two locating parts (322) with the side edge contact of button (31) and with restriction button (31) position.

2. The electric rice cooker (100) according to claim 1, wherein the plurality of stoppers (322) are uniformly and alternately arranged on the same circumference, each stopper (322) includes a stopper surface contacting with a side edge of the button (31), and the stopper surface contacts with an inner side surface of the side edge of the button (31) or an outer side surface of the side edge of the button (31) when the button (31) is separated from the button hole (111).

3. The electric rice cooker (100) according to claim 2, wherein the limit surface acts in a surface-to-surface manner with an inner side surface of a side edge of the button (31) or an outer side surface of a side edge of the button (31).

4. The electric rice cooker (100) according to claim 3, wherein the outer side surface of the side edge of the button (31) and the inner side surface of the side edge of the button (31) are both curved surfaces, and the limit surface is an arc shape matched with the curved surfaces.

5. The electric rice cooker (100) according to claim 2, wherein the limiting member (322) comprises a limiting plate (3221) and two reinforcing plates (3222) connected to two sides of the limiting plate (3221), and the limiting surface is formed on an outer side surface or an inner side surface of the limiting plate (3221).

6. The electric rice cooker (100) of claim 1, wherein the stop (322) is perpendicular to the pinch plate (32).

7. The electric rice cooker (100) according to claim 1, further comprising a first elastic member (33) and a second elastic member (34), the first elastic member (33) being supported between the pinch plate (32) and the support ring (12), the second elastic member (34) being supported between the button (31) and the pinch plate (32).

8. The electric rice cooker (100) according to claim 7, wherein a first sleeving piece (312) is arranged on one side of the button (31) facing the pinch plate (32), a second sleeving piece (3211) opposite to the first sleeving piece (312) is arranged on one side of the pinch plate (32) facing the button (31), and two ends of the second elastic piece (34) are sleeved outside the first sleeving piece (312) and the second sleeving piece (3211) respectively.

9. The electric rice cooker (100) according to claim 1, wherein a buckle (313) is arranged on one side of the button (31) facing the buckle plate (32), the buckle plate (32) is provided with a through hole (3212), the buckle (313) is movably arranged in the through hole (3212), and a hook part for preventing the buckle (313) from being separated from the through hole is arranged at a suspended end of the buckle (313).

10. The electric rice cooker (100) according to claim 9, wherein the number of the buckles (313) is plural, the plurality of the buckles (313) are uniformly spaced on the same circumference, the number of the through holes (3212) is equal to the number of the buckles (313), the plurality of the through holes (3212) are uniformly spaced and surround at least two limiting pieces (322), and each buckle (313) movably penetrates through each through hole (3212).