CN112842069A - Cooking utensil - Google Patents

Abstract

The present invention provides a cooking appliance, comprising: the pot body is provided with an auxiliary cover opening structure; the pot cover, but pivot ground is connected on the pot body and can the lock on the pot body, the pot cover includes the lining lid and is located the inner cup of lining lid, be provided with the first buckle of relative lining lid motion on the lining lid, be provided with on the inner cup with first buckle complex second buckle, first buckle cooperates so that the inner cup is connected on the lining lid with the second buckle, be provided with the operating parts of relative lining lid motion on the lining lid, the operating parts can drive first buckle motion so that first buckle and second buckle separation, under the circumstances of pot cover lock on the pot body, operating parts and supplementary structure butt cooperation or the magnetic fit of uncapping, the pot cover can receive ascending elastic force or the magnetic force that the operating parts provided at the in-process of opening. By applying the technical scheme of the invention, the problem of complex structure of the pot cover of the cooking appliance which can realize the detachable inner cover and the auxiliary cover opening simultaneously in the related technology can be effectively solved.

Description

Cooking utensil

Technical Field

The invention relates to the field of small household appliances, in particular to a cooking appliance.

Background

The electric pressure cooker in the market at present generally comprises a split electric pressure cooker and a conjoined electric pressure cooker, wherein the conjoined electric pressure cooker comprises a cooker body and a cooker cover which can be in pivot connection. For the conjoined electric pressure cooker, the cooker cover comprises an inner cooker cover and a steel cover, the cooker body comprises an outer cooker and an inner cooker, a sealing ring is arranged on the inner cooker cover and forms a sealed cavity with the inner cooker, and the steel cover and the inner cooker are buckled for bearing pressure.

In order to facilitate the cleaning of the inner pot cover, the inner pot cover is provided with a detachable structure. Meanwhile, an auxiliary cover opening structure is arranged on the pot cover for opening the cover conveniently. Although the above structure can realize the above two effects, the structure of the pot cover is complex and the cost is high.

Disclosure of Invention

The invention mainly aims to provide a cooking appliance, which solves the problem that the structure of a pot cover of the cooking appliance capable of realizing the detachable inner cover and the auxiliary cover opening simultaneously in the related art is complex.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the pot body is provided with an auxiliary cover opening structure; the pot cover, but pivot ground is connected on the pot body and can the lock on the pot body, the pot cover includes the lining lid and is located the inner cup of lining lid, be provided with the first buckle of relative lining lid motion on the lining lid, be provided with on the inner cup with first buckle complex second buckle, first buckle cooperates so that the inner cup is connected on the lining lid with the second buckle, be provided with the operating parts of relative lining lid motion on the lining lid, the operating parts can drive first buckle motion so that first buckle and second buckle separation, under the circumstances of pot cover lock on the pot body, operating parts and supplementary structure butt cooperation or the magnetic fit of uncapping, the pot cover can receive ascending elastic force or the magnetic force that the operating parts provided at the in-process of opening.

By applying the technical scheme of the invention, when the pot cover is buckled on the pot body, the operating part is in butt fit or magnetic fit with the auxiliary cover opening structure, and the pot cover can be subjected to upward elastic force or magnetic force provided by the operating part in the opening process, so that the pot cover can be opened from the pot body more easily, and the function of opening the auxiliary cover is realized. After uncapping, when the inner cup is washd to needs dismantlement, operation spare can drive first buckle motion so that first buckle and second buckle separation, and then make the inner cup lift off by the lining cover, realize the quick dismantlement of inner cup, the user of being convenient for washs. The above structure allows the operating member to function as at least a part of both the lid opening assisting structure mentioned in the background and the detachable structure mentioned in the background. The auxiliary uncovering structure and the detachable structure do not need to be independently arranged, so that the number of parts is reduced, and the production cost is reduced.

Further, under the condition that the pot cover is buckled on the pot body, no acting force exists between the operating piece and the first buckle. The structure ensures that the operating part can not drive the first buckle to move under the condition that the cooker cover is buckled on the cooker body, so that the inner cover can not fall off from the lining cover after the cover is closed, and the cooking utensil can be normally pressed. Under the condition that the pot cover is opened, the operating part is operated, and the operating part can be in butt fit with the first buckle to drive the first buckle to move. Above-mentioned structure makes when needs dismantle the inner cup, and when user operation operating parts removed or rotated to preset position, the operating parts just can drive first buckle motion to make first buckle and the smooth separation of second buckle, realize tearing open the purpose of lid fast.

Further, the operating part includes movably setting up the button on the lining cover and setting up the first elastic construction between button and lining cover, under the circumstances of pot cover lock on the pot body, button and supplementary structure butt cooperation of uncapping, in the in-process that the pot cover was opened, the pot cover can receive the ascending elastic restoring force that first elastic construction provided, or, the operating part includes but pivot ground setting knob and the first magnetic path of setting on the knob on the lining cover, supplementary structure of uncapping is the second magnetic path, under the circumstances of pot cover lock on the pot body, first magnetic path is relative and mutual repulsion with the second magnetic path, in the in-process that the pot cover was opened, the pot cover can receive the magnetic repulsion that produces between first magnetic path and the second magnetic path. The structure is simple and easy to realize.

Further, the operating member comprises a button, and under the condition that the pot cover is opened from the pot body, the stroke required by the operating member pressed to be matched with the first buckle is larger than the stroke required by the operating member matched with the auxiliary cover opening structure. The structure ensures that the operating part can not interact with the first buckle in the process of buckling the cooker cover on the cooker body, thereby ensuring that the inner cover can not be detached from the lining cover in the process.

Further, the operating part includes the button, is provided with limit structure on the lining cover, and first buckle can move along the predetermined direction under limit structure's is spacing, and the tip of button is provided with first inclined plane, be provided with on the first buckle with first inclined plane complex second inclined plane, first inclined plane and second inclined plane butt cooperation move to the predetermined direction with the drive first buckle. The structure enables the pressing direction of the button not to be the same as the moving direction of the first buckle, and the setting position of the button is more flexible.

Further, under the condition that the pot cover is buckled on the pot body, the distance between the first inclined plane and the second inclined plane is larger than 0 and smaller than 3 mm. Above-mentioned structure guarantees under the pot cover lock on the pot body, does not have the effort between operating part and the first buckle to make first buckle all the time with the cooperation of second buckle.

Furthermore, the operating part comprises a knob and a first transmission structure arranged on the knob, a second transmission structure matched with the first transmission structure is arranged on the first buckle, and the operating part drives the first buckle to move through the first transmission structure and the second transmission structure. The structure enables the knob to be freely positioned, and facilitates the structural design of the pot cover.

Further, a second elastic structure is arranged between the first buckle and the lining cover. The structure does not need manual reset of a user, and the use experience of the user is improved.

Further, the second buckle is a safety valve arranged on the inner cover in a penetrating mode, the head portion of the safety valve comprises a first hook portion, the first buckle comprises a second hook portion matched with the first hook portion, a third buckle is further arranged on the inner cover, a fourth buckle matched with the third buckle is arranged on the lining cover, and the first hook portion and the third buckle are located on two opposite sides of the inner cover. The structure utilizes the existing safety valve as the second buckle, thereby saving the cost of the cooking utensil.

Further, cooking utensil is electric pressure cooker, the pot body and pot cover pass through buckle subassembly lock, the pot cover is still including the face lid that is located the lining lid outside and being located the lining lid and the steel lid between the inner cup, the steel is covered and is provided with the lid tooth, be provided with on the pot body and cover tooth complex pot tooth, be provided with the mounting hole on the lining lid, the operating parts is worn to establish in the mounting hole, the pot body is including a kind of deep pot body and set up in the medium plate at a kind of deep pot body top, supplementary structure of uncapping sets up on the medium plate and corresponding with the operating parts, supplementary structure of uncapping is.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view showing a liner cover, an inner cover and a middle plate of a first embodiment of a cooking appliance according to the present invention;

FIG. 2 shows a cross-sectional schematic view of the cooking appliance of FIG. 1;

fig. 3 shows an enlarged schematic structure at a of the cooking appliance of fig. 2;

fig. 4 shows an enlarged schematic structural view at B of the cooking appliance of fig. 2;

fig. 5 shows an enlarged schematic structure at C of the cooking appliance of fig. 2;

fig. 6 shows a partial cross-sectional structural view of the lid when the button of the cooking appliance of fig. 1 abuts the first catch;

fig. 7 is a schematic sectional view showing a partial structure of a lid when a button of the cooking appliance of fig. 1 is in an initial position;

fig. 8 shows an enlarged schematic structural view at D of the cooking appliance of fig. 7;

FIG. 9 shows a perspective view of the inner cap of FIG. 1;

fig. 10 shows a perspective view of a first catch of the cooking appliance of fig. 1;

FIG. 11 is a perspective view of the middle plate of FIG. 1; and

fig. 12 is a partial sectional view schematically showing a second embodiment of the cooking appliance according to the present invention.

Wherein the figures include the following reference numerals:

10. a middle plate; 11. an auxiliary uncovering structure; 20. a pot cover; 21. a lining cover; 211. mounting holes; 212. a fourth buckle; 22. an inner cover; 23. a steel cover; 30. a first buckle; 31. a second inclined plane; 32. a second hook portion; 33. a second transmission structure; 40. a second buckle; 41. a first hook portion; 50. an operating member; 51. a button; 511. a first inclined plane; 52. a first elastic structure; 53. a knob; 54. a first transmission structure; 55. a first magnetic block; 60. a second elastic structure; 70. and a third buckle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 11, a cooking appliance according to a first embodiment includes: a pot body and a pot cover 20. Wherein the pot body is provided with an auxiliary cover opening structure 11. The pot cover 20 is pivotally connected to the pot body and can be buckled on the pot body, the pot cover 20 comprises a lining cover 21 and an inner cover 22 located in the lining cover 21, a first buckle 30 moving relative to the lining cover 21 is arranged on the lining cover 21, a second buckle 40 matched with the first buckle 30 is arranged on the inner cover 22, the first buckle 30 is matched with the second buckle 40 to enable the inner cover 22 to be connected to the lining cover 21, an operating part 50 moving relative to the lining cover 21 is arranged on the lining cover 21, the operating part 50 can drive the first buckle 30 to move to enable the first buckle 30 to be separated from the second buckle 40, under the condition that the pot cover 20 is buckled on the pot body, the operating part 50 is in abutting fit with the auxiliary cover opening structure 11, and the pot cover 20 can be subjected to upward elastic force provided by the operating part 50 in the opening process.

Use the technical scheme of embodiment one, when pot cover 20 lock is on the pot body, operating part 50 and supplementary structure 11 butt cooperation of uncapping, pot cover 20 can receive the ascending elastic force that operating part 50 provided at the in-process of opening to open pot cover 20 is more easily by the pot body on, realize the function of supplementary uncapping. After the cover is opened, when the inner cover 22 needs to be detached for cleaning, the operation part 50 is operated, and the operation part 50 can drive the first buckle 30 to move so as to separate the first buckle 30 from the second buckle 40, so that the inner cover 22 is detached from the lining cover 21, the inner cover 22 is rapidly detached, and the cleaning by a user is facilitated. The above-described structure allows the operating member 50 to function as at least a part of both the lid opening assisting structure mentioned in the background and the detachable structure mentioned in the background. The auxiliary uncovering structure and the detachable structure do not need to be independently arranged, so that the number of parts is reduced, and the production cost is reduced.

As shown in fig. 2 and 3, in the first embodiment, when the pot cover is fastened to the pot body, no force is applied between the operating member 50 and the first fastener 30. That is, the above structure makes the operating member 50 not drive the first buckle 30 to move under the condition that the pot cover is buckled on the pot body, so that the inner cover 22 does not drop from the lining cover 21 after the cover is closed, and the cooking utensil can be normally pressed. When the lid is opened, the operating member 50 is operated, and the operating member 50 can be in abutting fit with the first catch 30 to drive the first catch 30 to move. The above structure enables the operating member 50 to drive the first latch 30 to move when the user operates the operating member 50 to move or rotate to a predetermined position when the inner cover 22 needs to be detached, so that the first latch 30 and the second latch 40 can be smoothly separated, and the purpose of detaching the cover quickly is achieved.

As shown in fig. 1 to 3, 6, 8 and 11, in the first embodiment, the operating member 50 includes a button 51 movably disposed on the liner cover 21 and a first elastic structure 52 disposed between the button 51 and the liner cover 21, in a case where the lid 20 is snapped on the pot body, the button 51 is in abutting engagement with the auxiliary lid opening structure 11, and the lid 20 can receive an upward elastic restoring force provided by the first elastic structure 52 during the opening process of the lid 20. Specifically, in the case that the lid 20 is fastened to the pot body, the auxiliary lid opening structure 11 abuts against the button 51, the button 51 moves upward, and the first elastic structure 52 elastically deforms and stores elastic potential energy. At the beginning of the opening process of the lid 20, since the lid 20 is no longer subjected to the buckling force of buckling on the pot body, the first elastic structure 52 releases the elastic potential energy and pushes up against the lid 20, and the lid 20 is more easily rotated to open with the assistance of the elastic force.

As shown in fig. 3, 6, 8 and 11, in the first embodiment, in the case that the lid 20 is opened from the pot body, the stroke required for the operating member 50 to be pressed to be engaged with the first catch 30 is larger than the stroke required for the operating member 50 to be engaged with the auxiliary lid opening structure 11. The above structure makes the operating member 50 not to interact with the first catch 30 during the process of fastening the lid 20 to the pot body, so that the inner lid 22 is not detached from the liner lid 21 during the above process.

As shown in fig. 2 to 8, in the first embodiment, the operating element 50 includes a button 51, a limiting structure is disposed on the lining cover 21, the first latch 30 can move in the predetermined direction under the limitation of the limiting structure, a first inclined surface 511 is disposed at an end of the button 51, a second inclined surface 31 matched with the first inclined surface 511 is disposed on the first latch 30, and the first inclined surface 511 is matched with the second inclined surface 31 in an abutting manner to drive the first latch 30 to move in the predetermined direction. Specifically, when the inner cap 22 needs to be detached, the user vertically presses the button 51, so that the first inclined surface 511 abuts against the second inclined surface 31, and as the user continues to press, the first catch 30 moves under the horizontal component force of the button 51, so that the first catch 30 is far away from the second catch 40, thereby detaching the inner cap 22. The structure is simple and easy to realize. Of course, in other embodiments not shown in the figures, the first catch 30 can rotate instead of move with respect to the lid.

As shown in fig. 3, in the first embodiment, when the pot cover is fastened to the pot body, the distance between the first inclined surface 511 and the second inclined surface 31 is greater than 0 and less than 3 mm. The above structure ensures that no force is applied between the operating member 50 and the first buckle 30 under the condition that the pot cover is buckled on the pot body, so that the first buckle 30 is always matched with the second buckle 40.

As shown in fig. 1, 2 and 7, in the first embodiment, a second elastic structure 60 is disposed between the first latch 30 and the liner cover 21. When the first latch 30 is pushed to move by the button 51, the second elastic structure 60 is deformed to store elastic potential energy, and the first latch 30 is disengaged from the second latch 40. When the button 51 is away from the first latch 30, the first latch 30 will return to the initial position under the elastic restoring force, and the first latch 30 can be latched with the second latch 40 in the initial position. The structure does not need manual reset of a user, and the use experience of the user is improved.

As shown in fig. 2, 4, 6, 9 and 10, in the first embodiment, the second latch 40 is a safety valve inserted into the inner cap 22, the head of the safety valve includes a first hook 41, the first latch 30 includes a second hook 32 engaged with the first hook 41, the inner cap 22 is further provided with a third latch 70, the lining cap 21 is provided with a fourth latch 212 engaged with the third latch 70, and the first hook 41 and the third latch 70 are located on opposite sides of the inner cap 22. Specifically, after the third latch 70 is engaged with the fourth latch 212, the inner lid 22 is rotated about the engagement portion of the third latch 70 and the fourth latch 212 as a rotation axis, and when the inner lid 22 is rotated to engage the first hook 41 with the second hook 32, the inner lid 22 is fixed to the liner lid 21. The above structure uses the existing safety valve as the second catch 40, thereby saving the cost of the cooking appliance.

As shown in fig. 1 to 8 and 11, in the first embodiment, the cooking appliance is an electric pressure cooker, the cooker body and the cooker cover are buckled by a buckle assembly, the cooker cover 20 further includes a surface cover located outside the lining cover 21 and a steel cover 23 located between the lining cover 21 and the inner cover 22, cover teeth are arranged on the steel cover 23, cooker teeth matched with the cover teeth are arranged on the cooker body, a mounting hole 211 is arranged on the lining cover 21, the operating part 50 is arranged in the mounting hole 211 in a penetrating manner, the cooker body includes a cooker body and a middle plate 10 arranged at the top of the cooker body, an auxiliary cover opening structure 11 is arranged on the middle plate 10 and corresponds to the operating part 50, and the auxiliary cover opening structure 11 is a matching protrusion extending upwards. It should be noted that in other embodiments not shown in the drawings, the opening assisting structure is not necessarily a fitting projection, and a part of the upper surface of the middle plate may also serve as the fitting projection.

The cooking appliance of the second embodiment is different from the cooking appliance of the first embodiment in the specific structure of the operation member 50, specifically, in the second embodiment, in the case that the lid 20 is snapped on the pot body, the operation member 50 is magnetically engaged with the auxiliary lid opening structure 11, and the lid 20 can receive the upward magnetic force provided by the operation member 50 during the opening process.

By applying the technical scheme of the second embodiment, when the pot cover 20 is buckled on the pot body, the operating member 50 is in magnetic fit with the auxiliary cover opening structure 11, and the pot cover 20 can be subjected to upward magnetic force provided by the operating member 50 in the opening process, so that the pot cover 20 is opened on the pot body more easily, and the auxiliary cover opening function is realized. After the cover is opened, when the inner cover 22 needs to be detached for cleaning, the operation part 50 is operated, and the operation part 50 can drive the first buckle 30 to move so as to separate the first buckle 30 from the second buckle 40, so that the inner cover 22 is detached from the lining cover 21, the inner cover 22 is rapidly detached, and the cleaning by a user is facilitated. The above-described structure allows the operating member 50 to function as at least a part of both the lid opening assisting structure mentioned in the background and the detachable structure mentioned in the background. The auxiliary uncovering structure and the detachable structure do not need to be independently arranged, so that the number of parts is reduced, and the production cost is reduced.

As shown in fig. 12, in the second embodiment, the operating element 50 includes a knob 53 pivotably disposed on the lining cover 21 and a first magnetic block 55 disposed on the knob 53, the auxiliary lid opening structure 11 is a second magnetic block, in the case that the lid 20 is fastened to the pot body, the first magnetic block 55 and the second magnetic block are opposite and mutually repulsive, and in the opening process of the lid 20, the lid 20 can receive a magnetic repulsive force generated between the first magnetic block 55 and the second magnetic block. The structure is simple and the cost is low. Of course, in other embodiments not shown in the figures, the auxiliary uncovering structure may also be an electromagnet.

As shown in fig. 12, the operating member 50 includes a knob 53 and a first transmission structure 54 disposed on the knob 53, the first catch 30 is disposed with a second transmission structure 33 cooperating with the first transmission structure 54, and the operating member 50 drives the first catch 30 to move through the first transmission structure 54 and the second transmission structure 33. The above structure makes the knob 53 freely positioned, which is convenient for the structural design of the pot cover.

Preferably, as shown in fig. 12, in the second embodiment, the first transmission structure 54 is a gear, the second transmission structure 33 is a rack, and when the knob 53 is rotated, the knob 53 drives the gear to rotate, and the gear is engaged with the rack to drive the first buckle 30 provided with the rack to move. The structure is simple and easy to realize.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cooking appliance, comprising:

the pot body is provided with an auxiliary cover opening structure (11);

the pot cover (20) is pivotally connected to the pot body and can be buckled to the pot body, the pot cover (20) comprises a lining cover (21) and an inner cover (22) located in the lining cover (21), a first buckle (30) moving relative to the lining cover (21) is arranged on the lining cover (21), a second buckle (40) matched with the first buckle (30) is arranged on the inner cover (22), the first buckle (30) is matched with the second buckle (40) to enable the inner cover (22) to be connected to the lining cover (21), an operating part (50) moving relative to the lining cover (21) is arranged on the lining cover (21), the operating part (50) can drive the first buckle (30) to move to enable the first buckle (30) to be separated from the second buckle (40), and under the condition that the pot cover (20) is buckled to the pot body, the operating piece (50) is in butt fit or magnetic fit with the auxiliary cover opening structure (11), and the pot cover (20) can be subjected to upward elastic force or magnetic force provided by the operating piece (50) in the opening process.

2. The cooking appliance according to claim 1, wherein in the condition of the lid (20) being snapped onto the pan body, there is no force between the operating member (50) and the first catch (30), and in the condition of the lid (20) being opened, operating the operating member (50), the operating member (50) can be in abutting engagement with the first catch (30) to drive the first catch (30) to move.

3. The cooking appliance according to claim 2, wherein the operating member (50) comprises a push button (51) movably arranged on the lining lid (21) and a first elastic structure (52) arranged between the push button (51) and the lining lid (21), the push button (51) is in abutting engagement with the auxiliary lid opening structure (11) in the condition that the lid (20) is snapped on the pot, the lid (20) can be subjected to an upward elastic restoring force provided by the first elastic structure (52) during opening of the lid (20), or,

the operating piece (50) comprises a knob (53) which is pivotally arranged on the lining cover (21) and a first magnetic block (55) which is arranged on the knob (53), the auxiliary cover opening structure (11) is a second magnetic block, the first magnetic block (55) and the second magnetic block are opposite and mutually repulsive under the condition that the pot cover (20) is buckled on the pot body, and the pot cover (20) can be subjected to magnetic repulsion generated between the first magnetic block (55) and the second magnetic block in the opening process of the pot cover (20).

4. The cooking appliance according to claim 3, wherein the operating member (50) comprises the push button (51), and in the case where the lid (20) is opened from the pan body, the operating member (50) is pressed to engage with the first catch (30) by a stroke greater than a stroke required for the operating member (50) to engage with the lid opening assisting structure (11).

5. The cooking appliance according to claim 3, wherein the operating member (50) comprises the button (51), a limiting structure is arranged on the lining cover (21), the first buckle (30) can move along a predetermined direction under the limiting of the limiting structure, a first inclined surface (511) is arranged at the end of the button (51), a second inclined surface (31) matched with the first inclined surface (511) is arranged on the first buckle (30), and the first inclined surface (511) is in abutting fit with the second inclined surface (31) to drive the first buckle (30) to move towards the predetermined direction.

6. Cooking appliance according to claim 5, characterized in that the distance between the first inclined surface (511) and the second inclined surface (31) is greater than 0 and less than 3mm with the lid (20) snapped onto the pan body.

7. The cooking appliance according to claim 3, wherein the operating member (50) comprises the knob (53) and a first transmission structure (54) arranged on the knob (53), a second transmission structure (33) matched with the first transmission structure (54) is arranged on the first catch (30), and the operating member (50) drives the first catch (30) to move through the first transmission structure (54) and the second transmission structure (33).

8. The cooking appliance according to claim 1, wherein a second elastic structure (60) is provided between the first catch (30) and the lining cover (21).

9. The cooking appliance according to claim 8, wherein the second latch (40) is a safety valve inserted into the inner lid (22), a head of the safety valve includes a first hook (41), the first latch (30) includes a second hook (32) engaged with the first hook (41), a third latch (70) is further disposed on the inner lid (22), a fourth latch (212) engaged with the third latch (70) is disposed on the lining lid (21), and the first hook (41) and the third latch (70) are located on opposite sides of the inner lid (22).

10. The cooking appliance of claim 1, wherein the cooking appliance is an electric pressure cooker, the pot body is buckled with the pot cover (20) through a buckle component, the pot cover (20) also comprises a surface cover positioned on the outer side of the lining cover (21) and a steel cover (23) positioned between the lining cover (21) and the inner cover (22), the steel cover (23) is provided with cover teeth, the pot body is provided with pot teeth matched with the cover teeth, the lining cover (21) is provided with a mounting hole (211), the operating piece (50) is arranged in the mounting hole (211) in a penetrating way, the pot body including a kind of deep pot body and set up in middle plate (10) at a kind of deep pot body top, supplementary structure (11) of uncapping set up in on middle plate (10) and with operating parts (50) are corresponding, supplementary structure (11) of uncapping are protruding including the cooperation that upwards extends.

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