CN212815960U - Food processor and storage container - Google Patents

Abstract

The utility model provides a food processor and storage container can realize that the bowl cover subassembly is light to be put on or take off. The food processor includes: the inner side wall of the stirring cup is provided with a step part; the cup cover assembly is covered on the stirring cup and comprises a fixed support, a movable support, a sealing ring and a rotating cover; the movable bracket is arranged on the fixed bracket and can move relative to the fixed bracket, and the movable bracket comprises an installation part positioned below the fixed bracket; the sealing ring is fixed on the mounting part; the rotating cover is mounted with the fixed support and matched with the movable support, the rotating cover can enable the movable support to move through rotation, and then the sealing ring can be abutted and matched with the step portion to form sealing or be separated from matching.

Description

Food processor and storage container

Technical Field

The present application relates to the field of small appliances, and more particularly to a food processor and storage container.

Background

With the increasing standard of living, many different types of food processors, such as cooking machines, are on the market. The functions of the food processor may include, but are not limited to, soymilk making, juice squeezing, rice paste making, meat grinding, ice shaving, coffee making, and/or mask blending. The food processor can comprise a machine for crushing and stirring food materials, such as a soybean milk machine, a stirrer or a wall breaking food processor. However, the existing food processor requires a great deal of effort in the process of mounting or dismounting the cup cover assembly.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a food processor and storage container can realize that the bowl cover subassembly easily loads onto or takes off.

One aspect of the present application provides a food processor. The food processor includes: the inner side wall of the stirring cup is provided with a step part; the cup cover assembly is covered on the stirring cup and comprises a fixed support, a movable support, a sealing ring and a rotating cover; the movable bracket is arranged on the fixed bracket and can move relative to the fixed bracket, and the movable bracket comprises an installation part positioned below the fixed bracket; the sealing ring is fixed on the mounting part; the rotating cover is mounted with the fixed support and matched with the movable support, the rotating cover can enable the movable support to move through rotation, and then the sealing ring can be abutted and matched with the step portion to form sealing or be separated from matching.

Optionally, the movable support is movable up and down relative to the fixed support.

Optionally, the movable bracket includes a main body portion located inside the fixed bracket, and the mounting portion protrudes outward from the main body portion.

Optionally, the sealing ring includes a first end fixed to the mounting portion and a second end extending downward from the first end, and the second end is in abutting engagement with the step portion of the mixing cup.

Optionally, the second end of the sealing ring extends obliquely downwards from the first end. The second end extends downwards in an inclined mode, so that the second end can be reliably matched and sealed with the step part.

Optionally, the rotating cover is provided with a driving portion, and the movable support is provided with a matching portion correspondingly matched with the driving portion.

Optionally, the rotating cover is provided with a driving portion, and the movable support is provided with a matching portion correspondingly matched with the driving portion. Therefore, the movable support can be promoted to move downwards through the interaction of the driving part and the matching part, and the sealing ring is switched to the second state.

Optionally, the driving part is provided with a first driving surface; and/or the matching part is provided with a second driving surface. In this way, the first driving surface acts on the second driving surface during the rotation of the rotating cover, and the movable bracket can be urged to move downwards.

Optionally, the fixed bracket includes a guide post extending in an up-down direction, and the movable bracket includes a guide portion slidably engaged with the guide post. Therefore, the movable support can only move along the up-and-down direction through the matching of the guide post and the guide part, and cannot rotate along with the rotating cover.

Optionally, the fixed bracket includes a bracket body and a base body extending outward from the bracket body, and the guide column is disposed on the base body.

Optionally, the guide post is sleeved with an elastic member, one end of the elastic member abuts against the base, and the other end of the elastic member abuts against the guide portion. Through setting up the elastic component, the movable support can move up under the elastic force effect of elastic component, and then makes the sealing washer diminish or no longer contact with the contact force of stirring cup inside wall to the realization is easily taken off bowl cover subassembly.

Optionally, the matching portion extends upwards from the main body portion to form, the guiding portion protrudes outwards from the main body portion or the matching portion to form, and the frame body is provided with a through hole for the guiding portion to pass through.

Optionally, the movable support includes and is located the inboard main part of support body, cooperation portion certainly the main part extends upwards and forms, the guide part certainly the main part is outwards established protrudingly and forms, the support body is equipped with the confession the through-hole that the guide part passes through.

Optionally, the rotatable cover includes the lid and follows the inboard evenly distributed's of lid a plurality of drive division, the movable support include a plurality of with the cooperation portion that the drive division corresponds. So, when the rotation lid rotates, through a plurality of drive division and cooperation portion mating reaction, can exert even effort to the movable support for the movable support reciprocates more steadily.

Optionally, the fixed bracket is provided with a first buckling position, the rotating cover is provided with a second buckling position, and the first buckling position and the second buckling position are matched, so that the rotating cover and the fixed bracket are mounted together and the rotating cover can rotate relative to the fixed bracket. So, detain the position through first knot and constitute the buckle cooperation with the second for the rotation lid can rotate for the fixed bolster.

Optionally, the rotating cover is further provided with a center hole, and the cup cover assembly further comprises an exhaust cover arranged at the center hole of the rotating cover. In this way, by providing the exhaust cover, part of the steam generated in the stirring cup can be exhausted.

Optionally, the mouth of the stirring cup is provided with an anti-rotation protrusion portion protruding outwards, and the fixing bracket is provided with a matching anti-rotation portion matched with the anti-rotation protrusion portion. Thus, the fixing bracket can be kept still and cannot rotate together with the rotating cover through the matching of the rotation preventing protruding part and the matching rotation preventing part.

Optionally, a fastening portion is disposed at the mouth of the stirring cup and protrudes outwards, and a fastening hook matched with the fastening portion is disposed on the rotating cover.

Optionally, the stirring cup includes a handle, a first coupler arranged along a horizontal square is arranged at the top end of the handle, and a second coupler in running fit with the first coupler is arranged on the rotating cover.

Another aspect of the present application provides a storage container. The storage container includes: the inner side wall of the container is provided with a step part; the cup cover assembly is covered on the container and comprises a fixed support, a movable support, a sealing ring and a rotating cover; the movable bracket is arranged on the fixed bracket and can move relative to the fixed bracket, and the movable bracket comprises an installation part positioned below the fixed bracket; the sealing ring is fixed on the mounting part; the rotating cover is mounted with the fixed support and matched with the movable support, the rotating cover can enable the movable support to move through rotation, and then the sealing ring can be abutted and matched with the step portion to form sealing or be separated from matching.

This application food processor when needs take off the bowl cover subassembly, rotates the lid through the drive and rotates in order to make the movable support moves up, and then makes sealing washer and step portion break away from the cooperation to realize light, laborsaving taking off the bowl cover subassembly from stirring the cup.

Drawings

FIG. 1 is a perspective assembly view of one embodiment of a food processor of the present application;

FIG. 2 is an exploded perspective view of the lid assembly shown in FIG. 1;

FIG. 3 is another perspective view of the lid assembly shown in FIG. 1 with the swivel lid removed;

FIG. 4 is a perspective view of the lid assembly and blender cup assembly shown in FIG. 3;

FIG. 5 is a schematic perspective view of the cup cover assembly shown in FIG. 4 shown in a position in which the cup cover assembly is disposed over the blender cup assembly and has not yet been rotated in place;

FIG. 6 is a longitudinal cross-sectional view of FIG. 5;

FIG. 7 is a perspective view of the cup-lid assembly shown in FIG. 4 positioned over a blender cup assembly, with the cup-lid assembly rotated in place;

FIG. 8 is a longitudinal cross-sectional view of FIG. 7;

fig. 9 is an enlarged view of fig. 8 at a.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present application provides a lid assembly 100, the lid assembly 100 being disposed at an end of a receiving chamber of a food processor or storage unit. The food processor includes an electrically heated food processor and a non-electrically heated cooker. The electric heating food processor comprises a food processor, an electric kettle, an electric pressure cooker, an electric rice cooker, an electric stewpot and the like. The non-electric heating cooker comprises a pressure cooker, a frying pan, a soup pan, a milk pan and the like. The storage comprises a storage tank, a milk powder box, a rice bucket, a fresh-keeping box and the like. The above lists only a partial list of ranges for the food processor and memory, respectively, and is not exhaustive.

The present application also provides a food processor 500. Referring to fig. 1 to 9, the food processor 500 includes a main body 300, a stirring cup assembly 200, and a lid assembly 100. The blender cup assembly 200 is detachably mounted to the main body 300. The stirring cup assembly 200 comprises a stirring cup 80 and a stirring cutter disc assembly 90 arranged at the bottom of the stirring cup 80. At least the inner diameter of the upper end of the stirring cup 80 is gradually reduced from top to bottom. The cup cover assembly 100 is arranged on the stirring cup 80 in a covering mode. In another embodiment, the food processor 500 may be provided without a main body, and the motor may be mounted to the blender cup 80 or the lid assembly 100.

The blending blade assembly 90 may be fixed to the bottom of the blending cup 80 or may be detachably mounted to the bottom of the blending cup 80. In the illustrated embodiment, the stirring blade assembly 90 includes a base plate 91 and a blade assembly 92 disposed on the base plate 91, the blade assembly 92 includes a blade shaft 921 and a stirring blade 922, and the stirring blade 922 is disposed on an upper end of the blade shaft 921.

The cap assembly 100 includes a fixed bracket 10, a movable bracket 20, a sealing ring 50 and a rotary cap 30. The movable bracket 20 is mounted to the fixed bracket 10, the movable bracket 20 is movable relative to the fixed bracket 10, and the movable bracket 20 includes a mounting portion 24 located below the fixed bracket 10. In some embodiments, the movable bracket 20 is capable of moving up and down relative to the fixed bracket 10. The seal ring 50 is fixed to the mounting portion 24; the rotating cover 30 is mounted with the fixed bracket 10 and is engaged with the movable bracket 20, and the rotating cover 30 can cause the movable bracket 20 to move by rotating, so that the sealing ring 50 can be abutted against and engaged with the step portion 88 to form sealing or disengaged.

When the cup cover assembly 100 needs to be taken down, the rotating cover 30 is driven to rotate to enable the movable support 20 to move upwards, and then the sealing ring 50 is disengaged from the step portion 88, so that the cup cover assembly 100 can be easily and laborsavingly taken down from the stirring cup 80.

Specifically, the seal ring 50 has a first position and a second position, and the seal ring 50 can be switched between the first position and the second position by rotating the rotary cap 30. When the seal ring 50 is in the first position, the seal ring 50 is in abutting fit with the step 88 to form a seal; when the sealing ring 50 is switched to the second position, the sealing ring 50 is disengaged from the step portion 88, and the cap assembly 100 can be easily removed.

The movable bracket 20 includes a main body 22 located inside the fixed bracket 10, and the mounting portion 24 protrudes outward from the main body 22. The mounting portion 24 is provided with a slot (not labeled), and the first end 51 of the sealing ring 50 is fixed in the slot.

The seal ring 50 includes a first end 51 fixed to the mounting portion 24 and a second end 52 extending downward from the first end 51, and the second end 52 is in abutting engagement with the step 88 of the mixing cup 80. In this manner, a seal is formed by the second end 52 mating with the step 88.

The second end 52 of the sealing ring 50 extends obliquely downwards from the first end 51. The second end 52 can be more securely sealed against the step 88 due to the second end 52 extending obliquely downward. The second end 52 may be angled outwardly relative to the first end 51 or inwardly relative to the first end 51.

The rotating cover 30 is provided with a driving portion 31, the movable support 20 is provided with a matching portion 21 correspondingly matched with the driving portion 31, and when the rotating cover 30 rotates, the driving portion 31 can act on the matching portion 21 to enable the movable support 20 to move downwards. In this way, the driving portion 31 interacts with the engaging portion 21 to urge the movable bracket 20 to move downward, so that the sealing ring 50 is engaged and sealed with the step portion 88 on the inner side wall of the mixing cup 80. The engaging portion 21 extends upward from the main body portion 22.

The driving part 31 is provided with a first driving surface 311; and/or the engagement portion 21 is provided with a second driving surface 211. In the embodiment shown, the driving portion 31 is provided with a first driving surface 311, while the engaging portion 21 is provided with a second driving surface 211. In this way, during the rotation of the rotating cover 30, the first driving surface 311 acts on the second driving surface 211, and the movable bracket 20 can be urged to move downward. In the illustrated embodiment, the first drive surface 311 is a beveled surface and the second drive surface 211 is a beveled surface. In another embodiment, first drive surface 311 is an arcuate surface and second drive surface 211 is an arcuate surface. The above are only some examples and are not limited to the above examples.

The fixed bracket 10 includes a guide post 13 extending in an up-and-down direction, and the movable bracket 20 includes a guide portion 23 slidably engaged with the guide post 13. The guide portion 23 can slide up and down along the guide post 13. In this way, the guide posts 13 and the guide portions 23 cooperate with each other, so that the movable bracket 20 can move only in the up-down direction without rotating with the rotating cover 30. In the illustrated embodiment, the guide post 13 is cylindrical, and the guide portion 23 is provided with a circular hole that fits the guide post 13. Of course the guiding studs 13 may also be of other shapes, for example square studs or the like.

The fixing bracket 10 includes a bracket body 15 and a base body 16 formed by extending the bracket body 15 outwards, and the guide column 13 is disposed on the base body 16. In the illustrated embodiment, the frame body 15 is cylindrical, the base body 16 extends outward along a horizontal square, the base body 16 is annular, the base body 16 is perpendicular to the frame body 15, and the guide posts 13 extend upward from the base body 16. The base body 16 is provided with a plurality of guide columns 13, and the plurality of guide columns 13 are uniformly distributed along the circumferential direction of the base body 16. In the illustrated embodiment, the base 16 is provided with 6 guide posts 13, but is not limited thereto.

The guiding column 13 is sleeved with an elastic member 40, one end of the elastic member 40 abuts against the base 16, and the other end abuts against the guiding portion 23. Through setting up elastic component 40, movable support 20 can move up under the elastic force effect of elastic component 40, and then makes the contact force of sealing washer 50 and stirring cup 80 inside wall diminish or no longer contact to the realization easily takes off bowl cover assembly 100. The elastic member 40 may be any one of: a spring, a metal spring, and an elastic rubber, but not limited thereto. In the illustrated embodiment, the resilient member 40 is a spring.

The matching portion 21 extends upwards from the main body portion 22, the guiding portion 23 protrudes outwards from the main body portion 22 or the matching portion 21, and the frame body 15 is provided with a through hole 151 for the guiding portion 23 to pass through. Thus, the fixed bracket 10 and the movable bracket 20 can be conveniently installed together, and the structure is compact. The guiding portion 23 has a through hole, the guiding portion 23 passes through the through hole 151 and is sleeved outside the guiding post 13 through the through hole, and a limiting member (not shown) is disposed at the top end of the guiding post 13 to limit the guiding portion 23 on the guiding post 13, so as to prevent the guiding portion 23 from separating from the guiding post 13. In one embodiment, the position-limiting element is a screw fixed to the end of the guiding column 13, but not limited thereto.

The rotating cover 30 comprises a cover body 35 and a plurality of driving parts 31 which are uniformly distributed along the inner side of the cover body 35, and the movable support 20 comprises a plurality of matching parts 21 corresponding to the driving parts 31. In this way, when the rotating cover 30 rotates, a uniform acting force can be applied to the movable bracket 20 by the cooperation of the plurality of driving portions 31 and the engaging portions 21, so that the movable bracket 20 moves up and down more stably. In the illustrated embodiment, the number of the driving portions 31 is 6, and the number of the fitting portions 21 is 6. In other embodiments, the number of the driving portions 31 is 3, 4 or 5, and the number of the fitting portions 21 is 3, 4 or 5, respectively, and is not limited thereto.

The fixed support 10 is provided with a first buckling position 11, the rotating cover 30 is provided with a second buckling position 32, and the first buckling position 11 is matched with the second buckling position 32, so that the rotating cover 30 and the fixed support 10 are installed together, and the rotating cover 30 can rotate relative to the fixed support 10. In this way, the first buckling position 11 and the second buckling position 32 form a snap fit, so that the rotating cover 30 can rotate relative to the fixed bracket 10.

The rotating cover 30 is further provided with a central hole 38, and the cup cover assembly further comprises an exhaust cover 60 arranged at the central hole 38 of the rotating cover 30. By providing the exhaust cover 60 in this manner, a part of the steam generated in the stirring cup 80 can be exhausted.

The stirring cup 80 has an anti-rotation protrusion 81 protruding outward from the cup mouth, and the fixing bracket 10 has a matching anti-rotation portion 18 matching with the anti-rotation protrusion 81. In this manner, the fixing bracket 10 can be kept stationary without rotating together with the rotating cover 30 by the engagement of the rotation preventing protrusions 81 and the engagement rotation preventing portions 18.

The mouth of the mixing cup 80 is provided with a buckle part 82 protruding outwards, and the rotating cover 30 is provided with a buckle hook 39 matched with the buckle part 82. Therefore, the buckling part 82 is matched with the buckling hook 39, and the cup cover assembly 100 can be limited.

The stirring cup 80 comprises a handle 83, a first coupler 84 arranged along a horizontal square is arranged at the top end of the handle 83, and the rotating cover 30 is provided with a second coupler 37 which is in rotating fit with the first coupler 84. First coupler 84 and second coupler 37 cooperate to both transmit the overflow prevention signal and limit lid assembly 100.

When the cup cover assembly 100 is used, the cup cover assembly 100 is firstly covered on the stirring cup 80, then the rotating cover 30 is rotated, so that the movable support 20 moves downwards until the sealing ring 50 is abutted and matched with the step part 88 on the inner side wall of the stirring cup 80 to form a seal, and meanwhile, the first coupler 84 is in butt joint with the second coupler 37. When cleaning is required, rotating cover 30 is rotated in the opposite direction, so that movable support 20 moves upwards until sealing ring 50 is disengaged from step 88 on the inner side wall of mixing cup 80, and simultaneously first coupler 84 and second coupler 37 are disengaged, and cup lid assembly 100 can be easily removed.

The present application further provides a storage container. The storage container includes: the inner side wall of the container is provided with a step part; the cup cover assembly is covered on the container and comprises a fixed support, a movable support, a sealing ring and a rotating cover; the movable bracket is arranged on the fixed bracket and can move relative to the fixed bracket, and the movable bracket comprises an installation part positioned below the fixed bracket; the sealing ring is fixed on the mounting part; the rotating cover is mounted with the fixed support and matched with the movable support, the rotating cover can enable the movable support to move through rotation, and then the sealing ring can be abutted and matched with the step portion to form sealing or be separated from matching.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (18)

1. A food processor, characterized by: it includes:

the stirring cup (80), the inner side wall of the stirring cup (80) is provided with a step part (88); and

the cup cover assembly (100) is covered on the stirring cup (80), and the cup cover assembly (100) comprises a fixed support (10), a movable support (20), a sealing ring (50) and a rotating cover (30); the movable support (20) is mounted on the fixed support (10), the movable support (20) can move relative to the fixed support (10), and the movable support (20) comprises a mounting part (24) positioned below the fixed support (10); the seal ring (50) is fixed to the mounting portion (24); the rotating cover (30) is mounted with the fixed support (10) and matched with the movable support (20), the rotating cover (30) can drive the movable support (20) to move through rotation, and then the sealing ring (50) can be abutted and matched with the step portion (88) to form sealing or disengaging fit.

2. The food processor of claim 1, wherein: the movable support (20) can move up and down relative to the fixed support (10).

3. The food processor of claim 2, wherein: the movable support (20) comprises a main body part (22) located on the inner side of the fixed support (10), and the mounting part (24) protrudes outwards from the main body part (22).

4. The food processor of claim 1, wherein: the sealing ring (50) comprises a first end (51) fixed on the mounting portion (24) and a second end (52) extending downwards from the first end (51), and the second end (52) is in butt joint with a step portion (88) of the stirring cup (80).

5. The food processor of claim 4, wherein: the second end (52) of the sealing ring (50) extends obliquely downwards from the first end (51).

6. The food processor of claim 3, wherein: the rotating cover (30) is provided with a driving part (31), and the movable support (20) is provided with a matching part (21) correspondingly matched with the driving part (31).

7. The food processor of claim 6, wherein: the driving part (31) is provided with a first driving surface (311); and/or the fitting part (21) is provided with a second driving surface (211).

8. The food processor of claim 6, wherein: the fixed support (10) comprises a guide column (13) extending along the up-down direction, and the movable support (20) comprises a guide part (23) matched with the guide column (13) in a sliding mode.

9. The food processor of claim 8, wherein: the fixed support (10) comprises a support body (15) and a base body (16) formed by extending the support body (15) outwards, and the guide column (13) is arranged on the base body (16).

10. The food processor of claim 9, wherein: the guide post (13) is sleeved with an elastic piece (40), one end of the elastic piece (40) is abutted to the base body (16), and the other end of the elastic piece (40) is abutted to the guide part (23).

11. The food processor of claim 9, wherein: cooperation portion (21) certainly main part (22) extend upwards and form, guide part (23) certainly main part (22) or cooperation portion (21) outwards establish suddenly and form, support body (15) are equipped with the confession through-hole (151) that guide part (23) passed through.

12. The food processor of claim 6, wherein: the rotating cover (30) comprises a cover body (35) and a plurality of driving portions (31) which are uniformly distributed on the inner side of the cover body (35), and the movable support (20) comprises a plurality of matching portions (21) corresponding to the driving portions (31).

13. The food processor of claim 1, wherein: the fixed bolster (10) is equipped with first knot position (11), rotate lid (30) and be equipped with second knot position (32), through first knot position (11) and second knot position (32) cooperation make rotate lid (30) with fixed bolster (10) are installed together just rotate lid (30) can for fixed bolster (10) rotate.

14. The food processor of claim 1, wherein: the rotating cover (30) is further provided with a center hole (38), and the cup cover assembly further comprises an exhaust cover (60) arranged at the center hole (38) of the rotating cover (30).

15. The food processor of claim 1, wherein: the cup mouth of stirring cup (80) is equipped with outwards protruding and prevents changeing lug (81), fixed bolster (10) be equipped with prevent changeing lug (81) complex cooperation prevent changeing portion (18).

16. The food processor of claim 1, wherein: the mouth of the stirring cup (80) is provided with a buckling part (82) outwards in a protruding way, and the rotating cover (30) is provided with a buckling hook (39) matched with the buckling part (82).

17. The food processor of claim 1, wherein: the stirring cup (80) comprises a handle (83), a first coupler (84) arranged along a horizontal square is arranged at the top end of the handle (83), and a second coupler (37) in rotating fit with the first coupler (84) is arranged on the rotating cover (30).

18. A storage container, characterized by: the storage container includes:

the inner side wall of the container is provided with a step part; and

the cup cover assembly is covered on the container and comprises a fixed support, a movable support, a sealing ring and a rotating cover; the movable bracket is arranged on the fixed bracket and can move relative to the fixed bracket, and the movable bracket comprises an installation part positioned below the fixed bracket; the sealing ring is fixed on the mounting part; the rotating cover is mounted with the fixed support and matched with the movable support, the rotating cover can enable the movable support to move through rotation, and then the sealing ring can be abutted and matched with the step portion to form sealing or be separated from matching.

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