CN219229552U

CN219229552U - Cup with detachable and rotatable structure

Info

Publication number: CN219229552U
Application number: CN202221289217.5U
Authority: CN
Inventors: 庞少昆; 胡敏
Original assignee: Zhejiang Xier Technology Co Ltd
Current assignee: Zhejiang Xier Technology Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-06-23
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a cup with a detachable and rotatable structure, which comprises a cup cover and a cup body, wherein a detachable and rotatable top cover is arranged on the cup cover, a connecting part is arranged between the top cover and the cup cover, the connecting part comprises a sealing element positioned at the lower part of the top cover, a supporting element positioned at the lower part of the sealing element and a fastener used for connecting the sealing element and the supporting element, the sealing element and the supporting element are connected through a buckling connection, the fastener is sleeved on the sealing element and the supporting element, and the fastener is buckled on the cup cover. The rotatable design of top cap has increased the playability of drinking cup, the top cap is detachable, removable, can change into other embellishments when user's interest in the crystal hemisphere reduces, keeps user's fresh sense. A sealing ring is arranged between the cup cover and the cup body, and an air vent groove and a sealing rib are arranged on the sealing ring, so that external air can flow into the cup when negative pressure is generated in the cup, and the air pressure inside and outside the cup is balanced.

Description

Cup with detachable and rotatable structure

Technical Field

The utility model relates to the technical field of water cups, in particular to a cup with a detachable and rotatable structure.

Background

At present, a considerable part of the components in the human body are water, so that the water is quite important for the human body, the smaller the age is, the higher the proportion of the water to the weight of the human body is, for example, the water is 70% -80% of the weight of infants, but because the plain boiled water is colorless and odorless, most children do not like to drink water, the children want to drink water, the children feel difficult to cry and feel cry again, and some parents change the plain boiled water into drink as soon as the children cry, but the drink generally contains a large amount of saccharin, pigments, food additives and other elements which are unfavorable for the growth and development of the children, so that the parents can change thinking for the healthy growth of the next generation or the correct drinking habit of the children, the cup for drinking the children is taken as a cutting point, the idea that the children want to drink the cup is driven, and the parents want to drink water is slowly developed.

Disclosure of Invention

The present utility model aims to provide a cup with a detachable rotatable structure, which solves the problems set forth in the background above.

In order to achieve the above purpose, the utility model provides a cup with a detachable and rotatable structure, which comprises a cup body and a cup cover positioned on the cup body, wherein a detachable and rotatable top cover is arranged on the cup cover, a connecting part is arranged between the top cover and the cup cover, and comprises a sealing element positioned at the lower part of the top cover, a supporting element positioned at the lower part of the sealing element and a fastener used for connecting the sealing element and the supporting element;

the sealing element is provided with a groove for connecting the top cover, the tail end of the top cover is provided with an end part matched with the groove of the sealing element, and the top cover is fixedly connected to the groove of the connecting element through the end part;

the sealing element is provided with a one-way valve, the one-way valve is positioned at one side of the sealing element, when the top cover is buckled with the sealing element, gas in the top cover is discharged outwards in a one-way, a certain negative pressure is formed after the gas in the top cover is discharged, and the top cover is buckled on the sealing element through the negative pressure;

the sealing device is characterized in that a shaft column connected with a supporting piece is arranged at the lower part of the sealing piece, the sealing piece is rotatably connected to the supporting piece, a bearing groove is formed in the supporting piece, a bearing used for connecting the shaft column of the sealing piece is arranged in the bearing groove, and the supporting piece is fixedly connected to the sealing piece in a buckling mode.

Further, upward protruding hook pieces are arranged on the supporting pieces, the hook pieces are arranged along the upward direction of the outer contours of the supporting pieces in a protruding mode, the tops of the hook pieces are provided with hook buckles, and the supporting pieces are fixedly connected to the fasteners through the hook buckles.

Further, the support piece is provided with a limiting groove, and the limiting grooves are sequentially formed in the outer surface of the support piece along the longitudinal direction of the support piece.

Further, the fastener comprises an outer convex rib positioned on the outer side and an inner convex rib positioned on the inner side, wherein the lower part of the outer convex rib is provided with a convex block, the inner convex ribs are sequentially distributed on the inner surface of the fastener at intervals, and a limit column is arranged between the inner convex ribs.

Further, an upper groove for assembling the sealing element and a lower groove for assembling the supporting element are formed in the inner surface of the fastener, the upper groove is located above the lower groove, the lower groove is located above the inner convex rib, an inward concave surface is formed in the inner surface of the fastener, and the thickness of the upper groove is larger than that of the sealing element;

the lower groove is formed by arranging an inward lower concave surface at the lower part of the upper groove, an inner convex rib is arranged on the lower concave surface, the lower groove is positioned between the inner convex rib and the upper groove, and the lower concave surfaces are separated by a limiting column.

Further, establish the buckle that is used for connecting the fastener on the bowl cover, the buckle includes the interface portion and is located the inboard buckling parts of interface portion, set up the reference column between interface portion and the buckling parts, the fastener passes through the lug of peripheral hardware and installs on the interface portion, rotates along buckling parts direction, and the fastener passes through the reference column to be connected and is fixed in the buckling parts. Further, an inner concave part for assembling the connecting part is arranged in the cup cover, the inner concave part is formed by arranging a bottom surface for partition in the cup cover, and the upper part of the bottom surface is the inner concave part;

the bottom surface is provided with a guide pipe for drinking water, one end of the guide pipe extends out of the cup cover and is connected with a suction pipe arranged outside the cup cover, and the other end of the guide pipe extends downwards along the bottom surface and is connected with a hose arranged in the cup body.

Furthermore, the lower part of the cup cover is provided with a downward extending convex ring, a sealing groove is formed in front of the convex ring and the inner surface of the cup cover, and a sealing ring is arranged in the sealing groove.

Further, the sealing ring comprises a sealing ring body positioned on the upper portion and a sealing column extending downwards along the sealing ring body, a sealing rib is arranged at the tail end of the sealing column, a sealing piece extends obliquely upwards along the inner side direction of the sealing ring body, vent grooves which are concaved inwards from outside are formed in the sealing ring body, and the vent grooves are uniformly distributed on the sealing ring body.

Furthermore, the sealing ring is assembled on the sealing groove in a sleeving manner, one end of a sealing rib at the lower part of the sealing ring is attached to the lower end face of the convex ring after the sealing ring is assembled on the sealing groove, the sealing ring and the convex ring are provided with a cavity, and the cavity is formed by a gap between the sealing ring and the convex ring.

Further, the seal ring includes a closed state and a venting state:

in the closed state, the sealing ring is locked through the cup body and the cup cover, the sealing ring is tightly matched with the sealing groove, and the sealing rib is attached to the lower end face of the convex ring at the lower part of the cup cover through the inclined sealing rib at the end part of the sealing ring, so that a good closed state is formed;

the ventilation state is that the air in the cup body is reduced to form negative pressure through the tight closure of the sealing ring, the air outside the cup body is introduced through the ventilation of the gap between the cup body and the cup cover through the negative pressure of the cup body, and the air enters into the cavity between the sealing ring and the convex ring along with the ventilation groove arranged on the sealing ring, so that the negative pressure in the cup body is enough to jack up the sealing gum on the sealing ring, and the air in the cavity enters into the cup body to achieve the internal and external balance of the cup body.

Compared with the prior art, the gain of the utility model is as follows:

the cup cover is provided with the detachable rotatable top cover, the connecting part is arranged between the top cover and the cup cover and comprises a sealing piece positioned at the lower part of the top cover, a supporting piece positioned at the lower part of the sealing piece and a fastener used for connecting the sealing piece and the supporting piece. The lower part of the sealing element is provided with a convex shaft column, the shaft column is sleeved with a bearing, the supporting element is provided with a bearing groove, the bearing is fastened on the bearing groove, the connection between the supporting element and the sealing element is completed, the sealing element is rotatable, the playability of the cup is improved, and the interest of consumers is attracted. The top cover can be detached or replaced, and can be replaced by other cup cover components when the interest of consumers cannot be attracted, so that the consumers can keep fresh. The sealing piece is provided with the one-way valve, when the top cover is buckled on the sealing piece, internal gas can be discharged through the one-way valve, and the rubber plug is arranged to seal the one-way valve, so that negative pressure is formed inside the top cover and is firmly fixed on the sealing piece, and the top cover can rotate. The sealing piece and the supporting piece are connected on the shaft column through the bearing in a buckling mode, the fastener is sleeved on the sealing piece and the supporting piece and tightly fixes the sealing piece and the supporting piece through the first groove, the second groove and the inner convex rib, and the fastener is connected on the cup cover through the buckle in a buckling mode. A sealing ring is arranged between the cup cover and the cup body, a ventilation groove is formed in the sealing ring, a downwardly extending sealing column is arranged on the sealing ring, a sealing rib is arranged at the tail end of the sealing column, the sealing rib extends in an upward inclined mode along the inner side direction of the sealing ring body, the thickness of the sealing rib is gradually thinned, and a cavity is formed in a gap between the sealing ring and the convex ring. Sucking the suction pipe continuously during drinking water, reducing air in the cup body to form negative pressure, introducing air outside the cup body through a gap between the cup body and the cup cover, and enabling the air outside the cup body to enter a cavity between the sealing ring and the convex ring along with a ventilation groove arranged on the sealing ring, wherein the negative pressure in the cup body is enough to jack up a sealing rib on the sealing ring, so that the air in the cavity enters the cup body, and the inside and outside balance of the cup body is achieved.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is an assembly view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is a perspective view of the cap and seal of the present utility model.

Fig. 5 is a perspective view of the seal and support of the present utility model.

Fig. 6 is a perspective view of the support and fastener of the present utility model.

Fig. 7 is a perspective view of the gasket of the present utility model.

Fig. 8 is a cross-sectional view of a fastener of the present utility model.

Fig. 9 is a partial enlarged view of fig. 2.

Fig. 10 is a perspective view of the gasket of the present utility model.

FIG. 11 is a cross-sectional view of a cap and gasket of the present utility model.

Reference numerals: 1. the cup body, 2, the cup lid, 3, the top cover, 4, the suction pipe, 5, the suction pipe plug, 6, the sealing element, 7, the supporting element, 8, the fastener, 9, the shaft post, 10, the bearing, 11, the bearing groove, 12, the flow guiding pipe, 13, the drinking water inlet, 14, the hose, 15, the water guiding pipe, 16, the silica gel rope, 17, the buckle, 18, the end, 19, the groove, 20, the silica gel plug, 21, the concave part, 22, the limit groove, 23, the limit post, 24, the inner convex rib, 25, the bottom surface, 26, the interface part, 27, the locating post, 28, the buckling part, 29, the upper groove, 30, the lower groove, 31, the lower concave surface, 32, the outer convex rib, 33, the inner surface, 34, the gap, 35, the one-way valve, 36, the ventilation groove, 37, the handle, 38, the hook piece, 39, the seal groove, 40, the convex ring, 41, the seal ring, 42, the seal post, 43, the seal rib, 44 and the bump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 11, a cup with a detachable and rotatable structure comprises a cup body 1 and a cup cover 2 positioned on the cup body 1, wherein the cup body 1 and the cup cover 2 are connected through a thread structure. The detachable rotatable top cover 3 is arranged on the cup cover 2, the top cover 3 is used for decorating a cup, and the rotatable design can increase the playability of the cup and promote the fun of consumers; the top cover 3 is detachable and replaceable, and can be detached when the interest of the consumer in the top cover 3 is reduced, or can be replaced by other components according to the interest of the consumer, so that the freshness of the consumer is maintained. A connection is shown between the cap 3 and the cap 2, the connection comprising a seal 6 at the lower part of the cap 1, a support 7 at the lower part of the seal 6 and a fastener 8 for connecting the seal 6 and the support 7.

The sealing element 6 is provided with a groove 19 for connecting the top cover 3, the groove 19 is concave on the sealing element 6 in a circular ring shape, the tail end of the top cover 1 is provided with an end 18 for being matched with the groove 19, and the top cover 1 is fastened and fixed on the groove 19 of the sealing element 6 through the end 18; the check valve 35 is arranged on the sealing element 6, the check valve 35 is arranged on one side of the sealing element 6, when the top cover 3 and the sealing element 6 are buckled, gas in the top cover 3 is discharged outwards through the check valve 35, the check valve 35 is plugged by the silica gel plug 20, the top cover 1 and the sealing element 6 form a sealed assembly, a certain negative pressure is arranged in the assembly, and the top cover 3 is firmly fixed on the sealing element 6 through the negative pressure and cannot fall easily.

The lower part of the sealing element 6 is provided with a shaft column 9 which is connected with the supporting element 7, the shaft column 9 is positioned at the center of the sealing element 6, the supporting element 7 is provided with a bearing groove 11, a bearing 10 is arranged in the bearing groove 11, the position of the bearing 10 corresponds to that of the shaft column 9, and the supporting element 7 is fastened on the shaft column 9 through the bearing 10, so that the sealing element 6 is rotatably connected on the supporting element 7, and the rotatable effect of the top cover 1 is achieved.

The supporting piece 7 is provided with a hook piece 38 protruding upwards, the hook piece 38 protrudes upwards along the outline of the supporting piece 7, the top of the hook piece 38 is provided with a hook buckle, and the supporting piece 7 is fixedly connected to the fastener 8 through a component 38; the support piece 7 is provided with limit grooves 22, and the limit grooves 22 are sequentially arranged on the outer surface of the support piece 7 along the longitudinal direction of the support piece 7 and are used for being connected with the fastener 8.

The upper end of the inner surface 33 of the fastener 8 is designed to be inclined inwards gradually, so that the top cover 3 can be buckled, the connection strength is further enhanced, and the top cover 1 is prevented from falling off in the use process. The inner surface 33 of the fastener 8 is provided with an upper groove 29 for assembling the sealing element 6, the upper groove 29 is provided with an inward concave surface on the inner surface 33 of the fastener 8, the thickness of the upper groove 29 is larger than that of the sealing element 6, the outer edge of the sealing element 6 is clamped in the upper groove 29, a gap 34 is arranged between the upper groove 29 and the sealing element 6, the sealing element 6 can be guaranteed to rotate, and if the sealing element 6 is tightly attached in the upper groove 29, larger pressure can be caused on the sealing element 6, so that the sealing element 6 cannot rotate. A lower groove 30 for assembling the supporting member 8 is arranged below the upper groove 29, the lower groove 30 is formed by arranging an inward lower concave surface 31 at the lower part of the upper groove 29, the lower concave surface 31 is provided with an inner convex rib 24, the lower groove 30 is positioned between the inner convex rib 24 and the upper groove 29, and the supporting member 7 is fastened in the lower groove 30 through a hook member 38. A limiting column 23 for separating the concave surface 31 is arranged between the inner convex ribs 24, the upper end of the limiting column 23 is connected with an upper groove 29, the supporting piece 7 is arranged in the fastener 8, the limiting column 23 is buckled into the limiting groove 22 on the supporting piece 7, and the inertial drive supporting piece 7 is driven to rotate while the top cover 3 is prevented from rotating. The fastener 8 is provided with an outer convex rib 32, and a convex block 44 for connecting with the cup cover 2 is arranged at the lower part of the convex rib 32.

The inner concave part 21 for assembling the connecting part is arranged in the cup cover 2, the inner concave part 21 is formed by arranging a bottom surface 25 for partition in the cup cover 2, the upper part of the bottom surface 25 is the inner concave part 21, the inner wall of the inner concave part 21 is provided with a buckle 17 for connecting the fastener 8, the buckle 17 comprises an interface part 26 and a buckling part 28 positioned at the inner side of the interface part 26, and a positioning column 27 is arranged between the interface part 26 and the buckling part 28. In the installation process of the fastener 8 and the cup cover 2, the fastener 8 is firstly installed on the interface part 26 through a lug 44 arranged outside the fastener 8, then rotates along the direction of the buckling part 28, the fastener 8 passes through the positioning column 27 to enter the buckling part 28, the lug 44 is fixed in the buckling part 28 through the positioning column 27, the tight assembly of the fastener 8 and the cup cover 2 is completed, and the outer convex rib 32 on the fastener 8 is attached to the top of the cup cover 2.

The bottom surface 25 is provided with a guide pipe 12 for drinking water, the guide pipe 12 extends to one end of the cup cover 2 from the center of the bottom surface 21 and protrudes outwards, the guide pipe is connected with a suction pipe 4 arranged outside the cup cover 2, the other end of the guide pipe 12 is provided with a water guide pipe 15 extending downwards to the inside of the cup body 1 along the bottom surface 25, and a hose 14 in the water guide pipe 15 is arranged at the bottom of the cup body 1. The liquid in the cup enters the water guide pipe 15 through the hose 14, flows into the guide pipe 12, and finally flows out of the water drinking port 13 and is drunk by consumers along the suction pipe 4.

The design can be dismantled to the straw 4 that shows, conveniently washs, and straw 4 adopts the silica gel material to make, can buckle at will, and the convenience of customers drinks from different angles. The drinking mouth of the sucker 4 is provided with the sucker plug 5, when not in drinking, the sucker plug 5 can be sleeved on the mouth of the sucker 4, so that bad experiences caused by internal liquid spilling to consumers are prevented, microorganisms can be prevented from entering the cup along the sucker 4, and the consumption health is guaranteed. The rear end of the straw stopper 5 is provided with a silica gel rope 16, and the silica gel rope 16 is connected to the upper end of the straw 4 to prevent the straw stopper 5 from being lost when the straw stopper 5 is opened for drinking. The suction pipe 4, the suction pipe plug 5 and the silica gel rope 16 are integrally formed, so that the assembly is not needed, and the use is convenient.

The lower part of the cup cover 2 is provided with a downward extending convex ring 40, a sealing groove 39 is formed in front of the convex ring 40 and the inner surface of the cup cover 2, a sealing ring 41 for sealing the cup cover 2 and the cup body 1 is arranged in the sealing groove 39, and the sealing ring 41 is assembled in the sealing groove 39 in a sleeving manner, so that the cup has a good sealing effect and liquid in the cup is prevented from leaking. The seal ring 41 is detachably designed, so that a consumer can conveniently detach and clean the seal ring 41, sanitation of the seal ring 41 can be maintained, and the bottom of the seal ring 41 is provided with the handle 37 protruding downwards, so that the consumer can conveniently grasp the handle 37 and pull out the seal ring 41 from the seal groove 39.

The sealing ring 41 is provided with vent grooves 36 which are concave from outside to inside, the vent grooves 36 are uniformly distributed on the sealing ring, and the arrangement of the vent grooves 36 is beneficial to the entering of gas into the cup and the balance of the gas pressure in the cup and the gas pressure outside the cup. The sealing ring 41 is provided with a sealing post 42 extending downwards, the tail end of the sealing post 42 is provided with a sealing rib 43, the sealing rib 43 extends upwards in an inclined mode along the inner side direction of the sealing ring 41 body, the thickness is gradually thinned, and the sealing rib 43 can be pressed downwards conveniently by air pressure. After the sealing ring 41 is assembled in the sealing groove 39, one end of the sealing rib 43 at the lower part of the sealing ring 41 should be attached to the lower end surface of the convex ring 40, a cavity is formed by a gap between the sealing ring 41 and the convex ring 40, gas enters the cavity through the ventilation groove 36, and negative pressure generated in the cup when the cup is drunk by a consumer causes the sealing rib 43 to be pressed down, so that the gas in the cavity flows into the cup.

The seal 41 is shown to include a closed state and a vented state:

in the closed state, the sealing ring 41 is locked through the cup body 1 and the cup cover 2, the sealing ring 41 is tightly matched in the sealing groove 39, and the sealing rib 43 is attached to the lower end face of the convex ring 40 at the lower part of the cup cover 2 through the inclined sealing rib 43 at the end part of the sealing ring 41, so that a good closed state is formed;

in the ventilation state, through the tight closure of the sealing ring 41, the suction pipe 4 is continuously sucked when drinking water, so that the air in the cup body 1 is reduced to form negative pressure, through the negative pressure of the cup body 1, the air outside the cup body 1 is introduced into the air outside the cup body 1 through the gap between the cup body 1 and the cup cover 2, and the ventilation groove 36 arranged on the sealing ring 41 enters into the cavity between the sealing ring 41 and the convex ring 30, and the negative pressure in the cup body 1 is enough to jack up the sealing rib 43 on the sealing ring, so that the air in the cavity enters into the cup body, thereby achieving the internal and external balance of the cup body.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. The cup with the detachable and rotatable structure comprises a cup body and a cup cover positioned on the cup body, and is characterized in that a detachable and rotatable top cover is arranged on the cup cover, a connecting part is arranged between the top cover and the cup cover, and comprises a sealing piece positioned at the lower part of the top cover, a supporting piece positioned at the lower part of the sealing piece and a fastener used for connecting the sealing piece and the supporting piece;

2. The cup with the detachable rotatable structure according to claim 1, wherein the supporting member is provided with an upward protruding hook member, the hook member is protruding upward along the outer contour of the supporting member, the top of the hook member is provided with a hook buckle, and the supporting member is connected and fixed on the fastener through the hook buckle.

3. The cup with the detachable and rotatable structure according to claim 1, wherein the support member is provided with a limit groove, and the limit grooves are sequentially arranged on the outer surface of the support member along the longitudinal direction of the support member.

4. The cup with the detachable and rotatable structure according to claim 1, wherein the fastener comprises an outer convex rib positioned on the outer side and an inner convex rib positioned on the inner side, the lower part of the outer convex rib is provided with a convex block, the inner convex ribs are sequentially distributed on the inner surface of the fastener at intervals, and a limit column is arranged between the inner convex ribs.

5. A cup with a detachable rotatable structure according to claim 1, wherein an upper groove for assembling a sealing member and a lower groove for assembling a supporting member are provided on the inner surface of the fastener, the upper groove is located above the lower groove, and the lower groove is located above the inner bead;

the upper groove is formed by arranging an inward concave surface on the inner surface of the fastener, and the thickness of the upper groove is larger than that of the sealing element;

the lower groove is formed by arranging an inward lower concave surface at the lower part of the upper groove, a convex rib is arranged on the lower concave surface, the lower groove is positioned between the convex rib and the upper groove, and the lower concave surfaces are separated by a limiting column.

6. The cup with the detachable and rotatable structure according to claim 1, wherein a buckle for connecting a fastener is arranged on the cup cover, the buckle comprises an interface part and a buckling part positioned at the inner side of the interface part, a limit post is arranged between the interface part and the buckling part, the fastener is arranged on the interface part through a bump arranged outside and rotates along the direction of the buckling part, and the fastener is fixedly connected in the buckling part through the limit post; the inner concave part for assembling the connecting part is arranged in the cup cover, the inner concave part is formed by arranging a bottom surface for partition in the cup cover, and the upper part of the bottom surface is the inner concave part;

7. The cup with the detachable rotatable structure according to claim 1, wherein the lower portion of the cup cover is provided with a downward extending convex ring, a sealing groove is formed in front of the convex ring and the inner surface of the cup cover, and a sealing ring is arranged in the sealing groove.

8. The cup with the detachable rotatable structure according to claim 7, wherein the sealing ring comprises a sealing ring body positioned at the upper part and a sealing post extending downwards along the sealing ring body, the tail end of the sealing post is provided with a sealing rib, the sealing piece extends upwards in an inclined manner along the inner side direction of the sealing ring body, the sealing ring body is provided with ventilation grooves, the ventilation grooves are formed by concave outwards and inwards on the sealing ring body, and the ventilation grooves are uniformly distributed on the sealing ring body.

9. The cup with the detachable and rotatable structure according to claim 7, wherein the sealing ring is assembled on the sealing groove in a sleeving manner, one end of a sealing rib at the lower part of the sealing ring assembled on the sealing groove should be attached to the lower end face of the convex ring, and the sealing ring and the convex ring are provided with a cavity formed by a gap between the sealing ring and the convex ring.

10. A cup having a removable rotatable structure according to claim 9, wherein the sealing ring comprises a closed state and a vented state: