CN208709408U - Electric pressure cooker - Google Patents

Abstract

An electric pressure cooker comprising: a pan body; the cooker cover comprises a cooker cover body and an inner cover, wherein the inner cover is provided with a locking position and an unlocking position; the rotating seat is connected with the inner cover; an opening member having an initial position and a pressing position; the opening stopping piece is movably arranged on the cooker cover body and matched with the rotating seat, when the inner cover rotates to the locking position, the rotating seat can be matched with the opening stopping piece, so that the opening stopping piece can abut against the opening cover piece to prevent the opening cover piece from moving to the pressing position, wherein when the inner cover rotates to the locking position, and the opening cover piece moves to the pressing position, the opening cover piece abuts against the opening stopping piece, the opening stopping piece applies abutting force to the rotating seat, the direction of the abutting force faces to a pivoting shaft of the rotating seat, or the rotating seat can enable the inner cover to be kept at the locking position under the action of tangential component force of the abutting force. Use the technical scheme of the utility model the poor problem of security of the electric pressure cooker among the prior art can be solved effectively.

Description

Electric pressure cooking saucepan

Technical field

The utility model relates to electric pressure cooking saucepans, in particular to a kind of improvement of the pot cover of electric pressure cooking saucepan.

Background technique

Currently, electric pressure cooking saucepan in the market includes pot body and pot cover, pot body includes outer pot and interior pot, is arranged on interior pot There is pot tooth, the lid teeth with pot tooth cooperation is provided on pot cover, is additionally provided with key of uncapping in pot body.When pot tooth and lid teeth button After conjunction, it may cause pot cover if user presses key of uncapping take interior pot from outer pot out of, cause the safety of electric pressure cooking saucepan Difference.To solve the above-mentioned problems, it is generally provided on pot cover and only starts, when pot tooth and lid teeth fastening, only opening lever can be supported Lid key is opened, so that key of uncapping is difficult to press, to inform that user can not uncap in this state.Above structure can be Avoid to a certain extent user accidentally by, if but user pressing uncap key power it is excessive, still inner cover may be pushed to rotate, made It obtains lid teeth to be gradually disengaged with pot tooth, causes pot cover that may open from pot body.If the pressure in pot at this time is larger, pot cover It will flick moment, may cause user's scald.

Utility model content

The main purpose of the utility model is to provide a kind of electric pressure cooking saucepans, to solve electric pressure cooking saucepan in the prior art The problem of safety difference.

To achieve the goals above, the utility model provides a kind of electric pressure cooking saucepan characterized by comprising pot body is used To hold food to be cooked, pot body has pot tooth；Pot cover, including pot cover ontology and inner cover, inner cover have lid teeth, inner cover tool There are the latched position for cooperating pot tooth and lid teeth and the unlocked position for separating pot tooth with lid teeth；Rotation seat is connect with inner cover； It uncaps part, there is the pressing position for making pot cover lid close the initial position in pot body and opening pot cover from pot body；Only open Part is movably disposed on pot cover ontology and cooperates with rotation seat, and when inner cover turns to unlocked position, part of uncapping can be It is moved between pressing position and initial position, when inner cover turns to latched position, rotation seat can cooperate with part is only opened, so that Part of uncapping can be supported by only opening part, mobile to pressing position with the part that hinders to uncap, wherein when inner cover turns to latched position, and When part of uncapping is mobile to pressing position, part of uncapping is supported and only opens part, only opens part to rotation seat application and supports power, supports the direction of power Towards the pivotal axis of rotation seat, alternatively, rotation seat can make inner cover be maintained at locking under the action of supporting the tangential component of power Position.

Using the technical solution of the utility model, when inner cover turns to latched position, and part of uncapping is mobile to pressing position When, part of uncapping, which will be supported, only opens part.It only opens part and supports power to rotation seat application under the counter-active effect for part of uncapping.Support power Direction towards rotation seat pivotal axis, above structure make rotation seat with only open position that part is supported not by tangential direction Power, therefore no matter rotation seat is had much by only opening part application and supported power, rotation seat will not all rotate, would not also make and its The inner cover of connection is mobile to unlocked position.Alternatively, rotation seat can be such that inner cover keeps under the action of supporting the tangential component of power In latched position.It is that above structure makes rotation seat to be locked with power direction that is only opening in the tangential direction that the position that part is supported is subject to Position, therefore no matter rotation seat is had much by only opening part application and supported power, rotation seat all can be in the tangential component for supporting power Under the action of so that inner cover connected to it is maintained at latched position.Therefore above structure to be locked in pot body even if in pot cover When, user accidentally will not cause inner cover mobile to unlocked position by part of uncapping.High pressure shape is in so as to avoid pot nside When under state, pot tooth and lid teeth separation ensure that the safety of electric pressure cooking saucepan, solve the safety of electric pressure cooking saucepan in the prior art The low problem of property.

Further, rotation seat is pivotally disposed on pot cover ontology, and rotation seat is connect to drive inner cover to exist with inner cover It is rotated between latched position and unlocked position.

Further, only opening part includes the only opening lever extended along the front-rear direction of electric pressure cooking saucepan, is only started along electric pressure cooking saucepan Front-rear direction on be located at pivotal axis left or right side.

Further, only opening part further includes the stopper protrusion being arranged on only opening lever outer wall, stopper protrusion and pot cover ontology Between be provided with elastic component, when inner cover is mobile to latched position from unlocked position, it is gradually mobile to part of uncapping only to open part, elasticity Part gradually reduces, and when inner cover is mobile to unlocked position from latched position, only opens part in the effect of the elastic-restoring force of elastic component Under it is gradually mobile to the direction for keeping away from cover piece.

Further, rotation seat includes an ontology and the first rod segment and the second rod segment that present ontology two sides are arranged, seat The axis of ontology forms pivotal axis, only opens part and the cooperation of the first rod segment, be provided between the second rod segment and inner cover connection structure with Drive inner cover rotation.

Further, the end of the first rod segment be provided with the drive surface of only opening part cooperation, everywhere in drive surface with pivot The distance between axis is gradually increased on the direction of unlocked position to latched position.

Further, pot cover further includes the rotating disc between pot cover ontology and inner cover, and rotating disc can be rotatably set Be provided with magnetic devices on pot cover ontology, between rotating disc and inner cover so that inner cover be mountable on pot cover ontology and with turn Moving plate rotation, the second rod segment drives turn disc by connection structure, so that inner cover is between locked and unlocked positions Rotation.

Further, connection structure is hanging column, and long hole is provided on pot cover ontology, and hanging column is threaded through in long hole, hangs The upper end of hanging column is hung on pot cover ontology, and the lower end for hanging column is connect with rotating disc, and the second rod segment and the upper end of hanging column are matched It closes so that hanging column can be slide in slot hole.

Further, magnetic devices include the first magnetic patch and the second magnetic patch to attract each other, and the setting of the first magnetic patch is rotating On disk, the second magnetic patch is arranged in inner cover.

Further, inner cover includes inner cover ontology and the fixed disk that is fixed on inner cover ontology, and the second magnetic patch is set It sets in fixed disk.

Further, uncapping part can be in vertical rotation in surface, and when part of uncapping is not by external force, part of uncapping fastens pot cover In pot body, when part of uncapping rotates under the action of pressing force, part of uncapping is separated with pot cover so that pot cover can be from pot body It opens.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the schematic perspective view of the embodiment of electric pressure cooking saucepan according to the present utility model, wherein in Fig. 1 In, inner cover is in the locked position；

Fig. 2 shows the schematic top plan views of the electric pressure cooking saucepan of Fig. 1；

Fig. 3 shows the vertical profile structural schematic diagram of the electric pressure cooking saucepan of Fig. 1；

Fig. 4 shows the enlarged structure schematic diagram at the A of the electric pressure cooking saucepan of Fig. 3；

Fig. 5 shows the schematic perspective view of the electric pressure cooking saucepan of Fig. 1, wherein in Fig. 5, inner cover is in the unlocked position；

Fig. 6 shows the schematic top plan view of the electric pressure cooking saucepan of Fig. 5；

Fig. 7 shows the vertical profile structural schematic diagram of the electric pressure cooking saucepan of Fig. 5；

Fig. 8 shows the enlarged structure schematic diagram at the B of the electric pressure cooking saucepan of Fig. 7；And

Fig. 9 shows the decomposition texture schematic diagram of the pot cover of the electric pressure cooking saucepan of Fig. 1.

Wherein, the above drawings include the following reference numerals:

10, pot body；20, pot cover；21, pot cover ontology；211, long hole；22, inner cover；221, inner cover ontology；222, fixed disk； 23, rotating disc；30, rotation seat；31, seat ontology；311, pivotal axis；32, the first rod segment；321, drive surface；33, the second rod segment； 40, it uncaps part；41, stud；50, part is only opened；51, it only starts；52, stopper protrusion；60, elastic component；70, connection structure；80, magnetic Property device；81, the first magnetic patch；82, the second magnetic patch.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figures 1 to 8, the electric pressure cooking saucepan of the present embodiment includes: pot body 10, pot cover 20, rotation seat 30, part 40 of uncapping And only open part 50.Pot body 10 has pot tooth to hold food to be cooked, pot body 10.Pot cover 20 include pot cover ontology 21 with And inner cover 22, inner cover 22 have lid teeth, inner cover 22 has the latched position for cooperating pot tooth and lid teeth and makes pot tooth and lid teeth Isolated unlocked position.Rotation seat 30 is connect with inner cover 22.Part 40 of uncapping, which has, keeps the lid conjunction of pot cover 20 initial in pot body 10 Position and the pressing position for opening pot cover 20 from pot body 10.Part 50 is only opened to be movably disposed on pot cover ontology 21 simultaneously Cooperate with rotation seat 30, when inner cover 22 turns to unlocked position, part 40 of uncapping can be between pressing position and initial position Mobile, when inner cover 22 turns to latched position, rotation seat 30 can cooperate with part 50 is only opened, so that only opening part 50 can support It uncaps part 40, it is mobile to pressing position with the part 40 that hinders to uncap, wherein when inner cover 22 turns to latched position, and part 40 of uncapping When mobile to pressing position, part 40 of uncapping, which is supported, only opens part 50, only opens part 50 to the application of rotation seat 30 and supports power, supports the side of power To the pivotal axis 311 towards rotation seat 30, alternatively, rotation seat 30 can make inner cover 22 under the action of supporting the tangential component of power It is maintained at latched position.

Using the technical solution of the utility model, when inner cover 22 turns to latched position, and part 40 of uncapping is to pressing position When mobile, part 40 of uncapping, which will be supported, only opens part 50.Part 50 is only opened to apply under the counter-active effect for part 40 of uncapping to rotation seat 30 Support power.The direction of power is supported towards the pivotal axis 311 of rotation seat 30, above structure make rotation seat 30 with only open part 50 and support The position on top not by the power in tangential direction, therefore no matter rotation seat 30 by only open 50 applications of part supported power have it is much, turn Dynamic seat 30 will not all rotate, and would not also make inner cover 22 connected to it mobile to unlocked position.Alternatively, rotation seat 30 is being supported Inner cover 22 can be made to be maintained at latched position under the action of the tangential component of power.Above structure make rotation seat 30 with only open part The power in tangential direction that 50 positions supported are subject to towards latched position, therefore no matter rotation seat 30 by only open part 50 apply Power of supporting have much, rotation seat 30 all can be such that inner cover 22 connected to it is maintained under the action of supporting the tangential component of power Latched position.Therefore above structure makes when pot cover 20 is locked in pot body 10, even if user accidentally by uncap part 40 will not Cause inner cover 22 mobile to unlocked position.When so as to avoid being under high pressure conditions inside pot body 10, pot tooth and lid teeth separation, The safety that ensure that electric pressure cooking saucepan solves the problems, such as that the safety of electric pressure cooking saucepan in the prior art is low.

As shown in Figures 2 to 6, in the present embodiment, rotation seat 30 is pivotally disposed on pot cover ontology 21, rotation seat 30 connect to drive inner cover 22 to rotate between locked and unlocked positions with inner cover 22.Above structure is turned by setting one Following two effect can be realized in dynamic seat 30: the first, inner cover 22 can be driven to rotate, second, can support and only open part 50 and play The anti-error effect by part 40 of uncapping.Therefore above structure makes the service efficiency of components high, it is not necessary to other components be arranged, drop Low production cost.

As shown in Figure 2 and Figure 6, in the present embodiment, only opening part 50 includes stopping for the front-rear direction extension along electric pressure cooking saucepan Opening lever 51, only opening lever 51 is located at the left or right side of pivotal axis 311 along the front-rear direction of electric pressure cooking saucepan.Specifically, Fig. 2 shows The overlooking structure diagram of electric pressure cooking saucepan, wherein the inner cover 22 in Fig. 2 is in the locked position.Fig. 6 shows electric pressure cooking saucepan Overlooking structure diagram, wherein the inner cover 22 in Fig. 6 is in the unlocked position.Therefore, in the present embodiment, turn counterclockwise Dynamic seat 30, which can be realized, uncaps, at this point, only opening lever 51 should be located at the right side of pivotal axis 311 along the front-rear direction of electric pressure cooking saucepan Side.Above structure to rotate when inner cover 22 as latched position, and part 40 of uncapping, to when pressing position movement, part 40 of uncapping supports Part 50 is only opened in top, and that only opens that part 50 applies to rotation seat 30 supports power rotation seat 30 can be made to have the tendency that rotating clockwise, with Inner cover 22 is set to be maintained at latched position.Similarly, in other embodiments, if rotate clockwise rotation seat 30 realization uncap if, So, only opening lever 51 should be located at the left side of pivotal axis 311 along the front-rear direction of electric pressure cooking saucepan.Above structure to work as inner cover As for latched position, and when part 40 of uncapping is mobile to pressing position, part 40 of uncapping, which is supported, only opens part 50 for 22 rotations, only open part 50 to What rotation seat 30 applied, which supports power, can make rotation seat 30 have the tendency that rotating counterclockwise, so that inner cover 22 is maintained at locking bit It sets.Above structure is simple, user can be prevented accidentally by pot cover after part 40 of uncapping from pot body by the position that setting stops opening lever 51 It opens, without new component is increased, so that production cost is low.

As shown in Fig. 3, Fig. 4, Fig. 7 and Fig. 8, in the present embodiment, only opening part 50 further includes setting in only 51 outer walls of opening lever On stopper protrusion 52, elastic component 60 is provided between stopper protrusion 52 and pot cover ontology 21, when inner cover 22 from unlocked position to When latched position is mobile, part 50 is only opened gradually to the movement of part 40 of uncapping, elastic component 60 gradually reduces, when inner cover 22 is by latched position When mobile to unlocked position, part 50 is only opened under the action of the elastic-restoring force of elastic component 60 gradually to the side for keeping away from cover piece 40 To movement.Above structure is simple, enables and only opens 50 self-return of part, so as to improve the usage experience of user.

As shown in Figure 2 and Figure 6, in the present embodiment, rotation seat 30 includes seat ontology 31 and present 31 liang of the ontology of setting The axis of the first rod segment 32 and the second rod segment 33 of side, seat ontology 31 forms pivotal axis 311, only opens part 50 and matches with the first rod segment 32 It closes, connection structure 70 is provided between the second rod segment 33 and inner cover 22 to drive inner cover 22 to rotate.Above structure is simple, is easy to real It is existing.

As shown in Figure 2 and Figure 6, in the present embodiment, the end of the first rod segment 32 is provided with and stops the drive for opening the cooperation of part 50 Dynamic face 321, everywhere in drive surface 321 with the distance between pivotal axis 311 on the direction of unlocked position to latched position gradually Increase.Above structure to rotate with rotation seat 30, and only opening part 50 can cooperate with drive surface 321 and be ejected, to realize Turn to the function that latched position supports part 40 of uncapping.Above structure is simple, easy to process, at low cost.

As shown in figure 9, in the present embodiment, pot cover 20 further includes the rotating disc between pot cover ontology 21 and inner cover 22 23, rotating disc 23 is rotatably arranged on pot cover ontology 21, be provided between rotating disc 23 and inner cover 22 magnetic devices 80 with Inner cover 22 is set to be mountable on pot cover ontology 21 and rotate with rotating disc 23, the second rod segment 33 is turned by the driving of connection structure 70 Moving plate 23 rotates, so that inner cover 22 rotates between locked and unlocked positions.Above structure can be realized the fast of inner cover 22 It tears open, facilitates user to clean inner cover 22, to improve the usage experience of user.

As shown in Fig. 2, Fig. 6 and Fig. 9, in the present embodiment, connection structure 70 is hanging column, is provided on pot cover ontology 21 Long hole 211, hanging column are threaded through in long hole 211, and the upper end for hanging column is hung on pot cover ontology 21, are hung the lower end of column and are turned Moving plate 23 connects, and the upper end of the second rod segment 33 and hanging column cooperates so that hanging column can slide in long hole 211.Above structure Simply, it is easy to accomplish.

As shown in figure 9, in the present embodiment, magnetic devices 80 include the first magnetic patch 81 and the second magnetic patch to attract each other 82, the first magnetic patch 81 is arranged on rotating disc 23, and the second magnetic patch 82 is arranged on inner cover 22.When installing inner cover 22, need by Second magnetic patch 82 is directed at the first magnetic patch 81 on rotating disc 23.When between the second magnetic patch 82 and the first corresponding magnetic patch 81 When distance is less than preset distance, under the action of magnetic attracting force, the inner cover 22 with the second magnetic patch 82 can be adsorbed on and have On the rotating disc 23 of first magnetic patch 81.When rotating disc 23 rotate when, inner cover 22 can under the action of magnetic attracting force with rotation Disk 23 rotates together.Above structure is simple, facilitates user assembled, improves the usage experience of user.

As shown in figure 9, in the present embodiment, inner cover 22 is including inner cover ontology 221 and is fixed at inner cover ontology 221 On fixed disk 222, the second magnetic patch 82 be arranged in fixed disk 222.Above structure makes the fixation of the second magnetic patch 82 more square Just.Preferably, in the present embodiment, fixed disk 222 is made of plastic material, and the second magnetic patch 82 is moulded in solid by Shooting Technique On price fixing 222.

As shown in Figure 4 and Figure 8, in the present embodiment, uncap part 40 can in vertical rotation in surface, when uncap part 40 not by When external force, pot cover 20 is fastened in pot body 10 by part 40 of uncapping, when part 40 of uncapping rotates under the action of pressing force, part of uncapping 40 separate with pot cover 20 so that pot cover 20 can be opened from pot body 10.Above structure is simple, convenient for the user to operate.Preferably, Uncapping in the present embodiment has the stud 41 extended downwardly on part 40, when 22 latched position of inner cover is to latched position, only opens Bar 51 is mobile to the stud 41 for part 40 of uncapping.When inner cover 22 is in the locked position, only start the distance between 51 and stud 41 Very little or only opening lever 51 supports stud 41, so that when user's pressing uncaps part 40 so that part 40 of uncapping has and rotates counterclockwise When trend, stud 41 can be supported by only opening lever 51 and can not be continued to rotate counterclockwise, to prevent pot cover 20 from pot body 10 It opens.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (11)

1. a kind of electric pressure cooking saucepan characterized by comprising

Pot body (10), to hold food to be cooked, the pot body (10) has pot tooth；

Pot cover (20), including pot cover ontology (21) and inner cover (22), the inner cover (22) have lid teeth, inner cover (22) tool There are the latched position for cooperating the pot tooth and the lid teeth and the unlocked position for separating the pot tooth with the lid teeth；

Rotation seat (30) is connect with the inner cover (22)；

It uncaps part (40), having makes the pot cover (20) lid close the initial position on the pot body (10) and make the pot cover (20) pressing position opened from the pot body (10)；

Part (50) are only opened, be movably disposed on the pot cover ontology (21) and are cooperated with the rotation seat (30), when described When inner cover (22) turns to the unlocked position, the part of uncapping (40) can the pressing position and the initial position it Between move, when the inner cover (22) turns to the latched position, the rotation seat (30) can with it is described only open part (50) Cooperation so that it is described only open part (50) can support it is described uncap part (40), with part (40) of uncapping described in hindering to the pressing Position is mobile, wherein

When the inner cover (22) turns to the latched position, and the part of uncapping (40) Xiang Suoshu pressing position is mobile, institute State part of uncapping (40) support it is described only open part (50), it is described only to open part (50) Xiang Suoshu rotation seat (30) application and support power, it is described The direction of power is supported towards the pivotal axis (311) of the rotation seat (30), alternatively, the rotation seat (30) is in the power of supporting The inner cover (22) can be made to be maintained at the latched position under the action of tangential component.

2. electric pressure cooking saucepan according to claim 1, which is characterized in that the rotation seat (30) is pivotally disposed at described On pot cover ontology (21), the rotation seat (30) is connect to drive the inner cover (22) in the locking bit with the inner cover (22) It sets and is rotated between the unlocked position.

3. electric pressure cooking saucepan according to claim 1, which is characterized in that described only to open part (50) include along the electric pressure cooking saucepan Front-rear direction extend only opening lever (51), it is described only opening lever (51) along the front-rear direction of the electric pressure cooking saucepan be located at the pivot The left or right side of shaft (311).

4. electric pressure cooking saucepan according to claim 3, which is characterized in that the part (50) of only opening further includes that setting stops described The stopper protrusion (52) started on (51) outer wall, is arranged flexible between the stopper protrusion (52) and the pot cover ontology (21) Part (60), when the inner cover (22) is mobile to the latched position from the unlocked position, it is described only open part (50) gradually to The part of uncapping (40) is mobile, and the elastic component (60) gradually reduces, when the inner cover (22) is from the latched position to described It is described only to open part (50) under the action of the elastic-restoring force of the elastic component (60) gradually to far from institute when unlocked position is mobile The direction for stating part of uncapping (40) is mobile.

5. electric pressure cooking saucepan according to claim 1, which is characterized in that the rotation seat (30) include seat ontology (31) and The first rod segment (32) and the second rod segment (33) in seat ontology (31) two sides is set, and the axis of the seat ontology (31) is formed The pivotal axis (311), it is described only to open part (50) and first rod segment (32) and cooperate, second rod segment (33) with it is described interior Connection structure (70) is provided between lid (22) to drive the inner cover (22) to rotate.

6. electric pressure cooking saucepan according to claim 5, which is characterized in that the end of first rod segment (32) is provided with and institute State the drive surface (321) for only opening part (50) cooperation, everywhere in the drive surface (321) between the pivotal axis (311) away from It is gradually increased from the unlocked position to the direction of the latched position.

7. electric pressure cooking saucepan according to claim 5, which is characterized in that the pot cover (20) further includes being located at the pot cover sheet Rotating disc (23) between body (21) and the inner cover (22), the rotating disc (23) are rotatably arranged in the pot cover ontology (21) on, magnetic devices (80) are provided between the rotating disc (23) and the inner cover (22) so that the inner cover (22) can It is installed on the pot cover ontology (21) and is rotated with the rotating disc (23), second rod segment (33) is tied by the connection Structure (70) drives rotating disc (23) rotation, so that the inner cover (22) is between the latched position and the unlocked position Rotation.

8. electric pressure cooking saucepan according to claim 7, which is characterized in that the connection structure (70) is hanging column, the pot It is provided on lid ontology (21) long hole (211), the hanging column is threaded through in the long hole (211), the upper end of the hanging column Hanging is on the pot cover ontology (21), and the lower end of the hanging column is connect with the rotating disc (23), second rod segment (33) cooperate with the upper end of the hanging column so that the hanging column being capable of the sliding in the long hole (211).

9. electric pressure cooking saucepan according to claim 7, which is characterized in that the magnetic devices (80) include to attract each other One magnetic patch (81) and the second magnetic patch (82), first magnetic patch (81) are arranged on the rotating disc (23), second magnetic patch (82) it is arranged on the inner cover (22).

10. electric pressure cooking saucepan according to claim 9, which is characterized in that the inner cover (22) include inner cover ontology (221) with And it is fixed at the fixed disk (222) on the inner cover ontology (221), second magnetic patch (82) is arranged in the fixed disk (222) on.

11. electric pressure cooking saucepan according to any one of claim 1 to 10, which is characterized in that the part of uncapping (40) can In vertical rotation in surface, when the part of uncapping (40) is not by external force, the pot cover (20) is fastened on by the part of uncapping (40) On the pot body (10), when the part of uncapping (40) rotates under the action of pressing force, the part of uncapping (40) and the pot (20) separation is covered so that the pot cover (20) can be opened from the pot body (10).