Spiral lifting cup cover

Abstract

The utility model provides a spiral lifting cup cover. The spiral lifting cup cover comprises a cover body, a suction nozzle, an annular rotating piece and a suction pipe connecting piece made of silica gel materials. A concave cavity is formed in the middle of the outer top of the cover body, a through hole is formed in the bottom of the concave cavity, and the middle of the straw connecting piece in the vertical direction is clamped in the through hole and peripherally sealed with the through hole; the rotating piece is rotationally connected to the upper end of the cover body, the lower end of the suction nozzle is inserted into the rotating piece and is in transmission connection with the rotating piece, the lower end of the suction nozzle and the cover body are limited in the circumferential direction, and the upper end of the suction pipe connecting piece is movably inserted into the lower end of the suction nozzle and is sealed with the suction nozzle in the circumferential direction; according to the rotary lifting cup cover, the rotating piece and the cover body in the rotary lifting cup cover have three position states, when the rotating piece rotates to the third position relative to the cover body, a user can detach the rotating piece and the suction nozzle from the cover body and can also detach the suction pipe connecting piece from the cover body, and convenience can be brought to cleaning of the rotating piece, the suction nozzle and the suction pipe connecting piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to cup cover technical field, specifically, relate to a kind of spin-up cup cover. BACKGROUND

[0002] Cup cover is used to connect the accessory on cup body, currently, China patent announcement No.CN222074958U discloses a rotary cup, when not using, just pass through driving piece drive suction nozzle and sealing plug to move downwards, make sealing plug close the upper end opening of passage, it can play the role of sealing suction tube;When needing to drink water, pass through driving piece drive suction nozzle and sealing plug to move upwards again, make sealing plug away from the upper end opening of passage, it is not only simple and convenient to operate, and need not to pull out suction nozzle, to facilitate storage and carrying, and can prevent pollution cup body water;However, in the structure of the rotary cup, when needing to disassemble suction nozzle and silica gel piece and wash, there is the shortcoming that suction nozzle and silica gel piece are inconvenient to disassemble. SUMMARY

[0003] The utility model solves technical problem to provide a kind of spin-up cup cover, the rotating part in its inside and cover have three position states, when rotating part is rotated to third position relative to cover, user can detach rotating part and suction nozzle from cover, and can also detach suction tube connecting piece from cover, i.e.

[0004] The utility model provides a kind of spin-up cup cover, including cover, suction nozzle, annular rotating part and the suction tube connecting piece made of silica gel material;The outer top middle part of cover is provided with recessed cavity, the bottom of recessed cavity is provided with through-hole, and the middle part of suction tube connecting piece vertical direction is clamped in through-hole and with through-hole circumferential seal;Rotating part is rotationally connected in the upper end of cover, and the lower end of suction nozzle is inserted in rotating part and is transmissionally connected with rotating part, and the lower end of suction nozzle is circumferentially limited with cover, and the upper end of suction tube connecting piece is movably inserted in the lower end of suction nozzle and is circumferentially sealed with suction nozzle;When rotating part is rotated to first position relative to cover, rotating part is used to drive suction nozzle to move to lower limit position and make the passage between suction nozzle and suction tube connecting piece be blocked;When rotating part is rotated to second position relative to cover, rotating part is used to drive suction nozzle to move upwards and make suction nozzle and suction tube connecting piece communicate;When rotating part is rotated to third position relative to cover, rotating part and cover are in the unlocked state to make rotating part and suction nozzle can be vertically separated from cover.

[0005] The utility model discloses a structure is adopted, when rotating piece is relative to the cover and rotates to the first position, user cannot suck the liquid in the cup through the suction nozzle, also can avoid the liquid in the cup from leaking out of the suction nozzle, when rotating piece is relative to the cover and rotates to the second position, can make the user suck the liquid in the cup through the suction nozzle, when rotating piece is relative to the cover and rotates to the third position, user can detach the rotating piece and the suction nozzle from the cover, and can also detach the straw connector from the cover, namely can bring the convenience of the cleaning of rotating piece, suction nozzle and straw connector.

[0006] In a possible implementation, the lower end of the suction nozzle is provided with a sleeve part in annular shape and vertically inserted into the recess, the lower end of the sleeve part is circumferentially limited by the cover, the inner diameter of the sleeve part is larger than the inner diameter of the suction nozzle, and the upper end of the straw connector is movably inserted into the sleeve part and circumferentially sealed with the sleeve part; the lower end of the rotating piece is provided with a rotating sleeve in annular shape, the rotating sleeve is vertically inserted into the recess and rotationally matched with the recess, and the sleeve part is vertically inserted into the rotating sleeve and transmissionally connected with the rotating sleeve; by adopting this structure, the lower end of the sleeve part is circumferentially limited by the cover, so that the suction nozzle can be reliably moved up and down when the rotating piece rotates and drives the suction nozzle to move.

[0007] In a possible implementation, the outer peripheral wall of the upper end of the straw connector is provided with a plurality of annular ribs distributed in intervals from top to bottom, and each annular rib is tightly sealed with the inner peripheral wall of the sleeve part; by adopting this structure, under the action of the plurality of annular ribs, each annular rib is tightly sealed with the inner peripheral wall of the sleeve part, so that the upper end of the straw connector can be reliably circumferentially sealed with the lower end of the suction nozzle.

[0008] In a possible implementation, the outer side wall of the sleeve part is circumferentially provided with a plurality of sliding columns, and the inner peripheral wall of the rotating sleeve is provided with a helical groove, and each sliding column is slidingly matched in the helical groove; by adopting this structure, when the rotating piece is rotated to rotate the rotating sleeve, under the cooperation of the sliding column and the helical groove, and under the action that the lower end of the sleeve part is circumferentially limited by the cover, the suction nozzle can be reliably moved up and down.

[0009] In a possible implementation, the lower end of the sleeve joint is provided with a plurality of circumferentially spaced limiting grooves, and the inner bottom of the recess is provided with a plurality of limiting blocks vertically corresponding to the limiting grooves; each limiting block is vertically inserted into the limiting groove at the corresponding position and is vertically slidably connected with the limiting groove; through the cooperation of the limiting blocks and the limiting grooves, the circumferential limiting between the suction nozzle and the cover can be reliably achieved; in addition, since each limiting block is vertically inserted into the limiting groove at the corresponding position and is vertically slidably connected with the limiting groove, the limiting block and the limiting groove can always be in the state of cooperation and insertion during the up-down movement of the suction nozzle relative to the cover, that is, the suction tube can always be in the state of circumferential limiting with the cover, thereby ensuring the reliability of the up-down movement of the suction nozzle.

[0010] In a possible implementation, the outer peripheral wall of the rotating sleeve is provided with an annular flange, the annular flange is provided with a plurality of notches in the circumferential direction, and the inner side wall of the recess is provided with a plurality of flaps in the circumferential direction; when the rotating member is rotated to the third position relative to the cover, each notch is vertically aligned with one of the flaps to release the vertical limiting of the annular flange by the flaps, and the rotating member and the suction nozzle can be vertically separated from the cover; when the rotating member is rotated to the remaining positions relative to the cover, the flaps are used to abut against the upper end of the annular flange to limit the vertical separation of the rotating member and the suction nozzle from the cover; through the adoption of this structure, when the rotating member is rotated to the third position relative to the cover, each notch can be vertically aligned with one of the flaps, at which time the flaps can release the vertical limiting of the annular flange, so that the rotating member and the suction nozzle can be detached from the cover, and the suction tube connector can also be detached from the cover, that is, the cleaning of the rotating member, the suction nozzle and the suction tube connector can be facilitated; when the rotating member is rotated to the remaining positions relative to the cover, the flaps can abut against the upper end of the annular flange to limit the vertical separation of the rotating member and the suction nozzle from the cover.

[0011] In a possible implementation, the upper end of the rotating member is provided with a rotating disc portion extending outwardly in the radial direction of the rotating member, and the upper end of the cover is provided with a sink groove for accommodating the rotating disc portion; the edge of the upper end of the rotating disc portion is provided with a protrusion for abutting against the finger to facilitate the finger to push the rotating disc portion and rotate the rotating member; through the provision of the rotating disc portion and the protrusion thereon, when the rotating member needs to be rotated, the protrusion can be pushed by the finger, thereby facilitating the rotation of the rotating member.

[0012] In one possible implementation, the bottom of the turntable is provided with positioning ribs, and the bottom of the sink is provided with three sets of positioning blocks, with positioning grooves formed between the two positioning blocks in each set. When the rotating component rotates relative to the cover to the first, second, or third position, the positioning ribs are used to engage with the positioning grooves at the corresponding positions to achieve circumferential positioning of the rotating component and the cover. With this structure, when the rotating component rotates relative to the cover to the first, second, or third position, the positioning ribs can engage with the positioning grooves at the corresponding positions to achieve circumferential positioning of the rotating component and the cover, that is, the rotating component can be kept in the first, second, or third position, and free rotation of the rotating component can be avoided when the rotating component rotates relative to the cover to the first, second, or third position.

[0013] In one possible implementation, two limiting ribs are circumferentially provided at the bottom edge of the settling tank, and a limiting protrusion is provided at the bottom edge of the turntable. The two limiting ribs abut against the limiting protrusion to limit the rotation range of the rotating component relative to the cover. With this structure, under the action of the limiting protrusion and the two limiting ribs, when the rotating component rotates relative to the cover, the two limiting ribs can abut against the limiting protrusion to limit the rotation range of the rotating component relative to the cover, thereby enabling the rotating component to switch between the first position and the second position and between the second position and the third position relative to the cover.

[0014] In one possible implementation, an indicator window is provided at the outer edge of the turntable. When the rotating component rotates relative to the cover to a first, second, or third position, the indicator window is vertically aligned with the corresponding character located on the bottom of the settling tank. An air inlet is provided at the bottom of the settling tank, which engages with and is circumferentially sealed to the cover. When the rotating component rotates relative to the cover to the first position, a positioning rib abuts against the upper end of the air inlet to block it. Through the indicator window, when the rotating component rotates relative to the cover to the first, second, or third position, the indicator window can be vertically aligned with the corresponding character located on the bottom of the settling tank. The corresponding characters are vertically aligned, making it easy for users to know the current functional status of the screw-up lid (the above characters are used to indicate the functional status of the screw-up lid); in addition, the air inlet connector allows air to enter when the user drinks liquid from the cup connected to the screw-up lid to ensure air pressure balance in the cup, making it easier for the user to drink the liquid from the cup; when the rotating part rotates relative to the lid to the first position, the positioning rib can abut against the upper end of the air inlet connector to block the air inlet connector, thereby preventing liquid from leaking out of the cup from the air inlet connector when the user carries the cup connected to the screw-up lid. Attached Figure Description

[0015] Figure 1 A three-dimensional structural diagram of the lifting cup lid when the rotating component rotates relative to the lid to the first position;

[0016] Figure 2 A cross-sectional view of the rotating cup lid when the rotating member is rotated to the first position relative to the cover body;

[0017] Figure 3 A first exploded view of the rotating cup lid;

[0018] Figure 4 A second exploded view of the rotating cup lid;

[0019] Figure 5 A perspective view of the rotating cup lid when the rotating member is rotated to the second position relative to the cover body;

[0020] Figure 6 A perspective view of the rotating cup lid when the rotating member is rotated to the third position relative to the cover body. DETAILED DESCRIPTION

[0021] First, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0022] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0023] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature can be directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0024] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0025] Reference Figures 1-6As shown, the embodiment of the present application discloses a rotating cup cover, which comprises a cover body 1, a suction nozzle 2, a rotating part 3 in the shape of a ring and a straw connecting part 4 made of silica gel material; a concave cavity 11 is arranged in the middle of the outer top of the cover body 1, a through hole 12 is arranged at the bottom of the concave cavity 11, the middle of the straw connecting part 4 in the vertical direction is clamped in the through hole 12 and is circumferentially sealed with the through hole 12; the rotating part 3 is rotationally connected to the upper end of the cover body 1, the lower end of the suction nozzle 2 is inserted into the rotating part 3 and is drivingly connected with the rotating part 3, the lower end of the suction nozzle 2 is circumferentially limited with the cover body 1, the upper end of the straw connecting part 4 is movably inserted into the lower end of the suction nozzle 2 and is circumferentially sealed with the suction nozzle 2; when the rotating part 3 is rotated to a first position relative to the cover body 1, the rotating part 3 is used to drive the suction nozzle 2 to move to a lower limit position and make the passage between the suction nozzle 2 and the straw connecting part 4 be blocked; when the rotating part 3 is rotated to a second position relative to the cover body, the rotating part 3 is used to drive the suction nozzle 2 to move upward and make the suction nozzle 2 communicate with the straw connecting part 4; when the rotating part 3 is rotated to a third position relative to the cover body 1, the rotating part 3 is in an unlocked state with the cover body 1 so that the rotating part 3 and the suction nozzle 2 can be vertically separated from the cover body 1.

[0026] The lower end of the suction nozzle 2 is provided with a sleeve part 21 in the shape of a ring and vertically inserted into the concave cavity 11, the lower end of the sleeve part 21 is circumferentially limited with the cover body 1, the inner diameter of the sleeve part 21 is larger than the inner diameter of the suction nozzle 2, the upper end of the straw connecting part 4 is movably inserted into the sleeve part 21 and is circumferentially sealed with the sleeve part 21; the lower end of the rotating part 3 is provided with a rotating sleeve 31 in the shape of a ring, the rotating sleeve 31 is vertically inserted into the concave cavity 11 and is rotationally matched with the concave cavity 11, the sleeve part 21 is vertically inserted into the rotating sleeve 31 and is drivingly connected with the rotating sleeve 31; after the structure is adopted, the lower end of the sleeve part is circumferentially limited with the cover body, so that the suction nozzle can be reliably moved up and down when the rotating part is rotated and drives the suction nozzle to move; after the rotating sleeve is arranged at the lower end of the rotating part, the rotating part can be reliably rotationally connected with the cover body together and the coaxiality when the rotating part is rotated relative to the cover body can be ensured.

[0027] A plurality of annular ribs 41 are arranged on the outer peripheral wall of the upper end of the straw connecting part 4 and are spaced apart from each other from top to bottom, each annular rib 41 is tightly sealed with the inner peripheral wall of the sleeve part 21; after the structure is adopted, under the action of the plurality of annular ribs, each annular rib is tightly sealed with the inner peripheral wall of the sleeve part, so that the upper end of the straw connecting part can be reliably circumferentially sealed with the lower end of the suction nozzle.

[0028] The outer side wall of the sleeve joint 21 is provided with a plurality of sliding columns 211 in the circumferential direction, and the inner circumferential wall of the rotating sleeve 31 is provided with a spiral groove 311, and each sliding column 211 is slidingly fitted in the spiral groove 311; after adopting this structure, when the rotating member is rotated to rotate the rotating sleeve, under the cooperation of the sliding column and the spiral groove, and under the circumferential limiting action of the lower end of the sleeve joint and the cover body, the suction nozzle can reliably achieve the purpose of moving up and down.

[0029] The lower end of the sleeve joint 21 is provided with a plurality of circumferentially spaced limiting grooves 212, and the inner bottom of the recess cavity 11 is provided with a plurality of limiting blocks 111 vertically corresponding to the limiting grooves 212, and each limiting block 111 is vertically inserted into the limiting groove 212 at the corresponding position and is vertically slidingly connected with the limiting groove 212; after adopting this structure, under the cooperation of the limiting block and the limiting groove, the suction nozzle and the cover body can reliably achieve the purpose of circumferential limiting, and in addition, since each limiting block is vertically inserted into the limiting groove at the corresponding position and is vertically slidingly connected with the limiting groove, the limiting block and the limiting groove can always be in the state of cooperating and inserting during the up and down movement of the suction nozzle relative to the cover body, that is, the suction tube can always be in the state of being circumferentially limited by the cover body, thereby ensuring the reliability of the up and down movement of the suction nozzle.

[0030] The outer circumferential wall of the rotating sleeve 31 is provided with an annular convex edge 312, and the annular convex edge 312 is provided with a plurality of notches 313 in the circumferential direction, and the inner side wall of the recess cavity 11 is provided with a plurality of flaps 112 in the circumferential direction; when the rotating member 3 is rotated to the third position relative to the cover body 1, each notch 313 is vertically aligned with one of the flaps 112 to release the vertical limiting of the annular convex edge 312 by the flap 112, and the rotating member 3 and the suction nozzle 2 can be vertically separated from the cover body 1; when the rotating member 3 is rotated to the remaining positions relative to the cover body 1, the flaps 112 are used to abut against the upper end of the annular convex edge 312 to limit the vertical separation of the rotating member 3 and the suction nozzle 2 from the cover body 1; after adopting this structure, when the rotating member is rotated to the third position relative to the cover body, each notch can be vertically aligned with one of the flaps, at which time the flap can release the vertical limiting of the annular convex edge, so that the rotating member and the suction nozzle can be detached from the cover body, and the suction tube connector can also be detached from the cover body, that is, the cleaning of the rotating member, the suction nozzle and the suction tube connector can be facilitated; when the rotating member is rotated to the remaining positions relative to the cover body, the flaps can abut against the upper end of the annular convex edge to limit the vertical separation of the rotating member and the suction nozzle from the cover body.

[0031] The upper end of the rotating member 3 is provided with a rotating disc part 32 extending outwardly along the radial direction of the rotating member 3, and the upper end of the cover body 1 is provided with a sunken groove 13 for accommodating the rotating disc part 32; the edge of the upper end of the rotating disc part 32 is provided with a protrusion 321 for abutting against a finger to facilitate the finger to push the rotating disc part 32 and make the rotating member 3 rotate; through the arrangement of the rotating disc part and the protrusion on the rotating disc part, when it is needed to rotate the rotating member, the protrusion can be pushed by the finger, thereby bringing convenience to the rotation of the rotating member.

[0032] The bottom of the rotating disc part 32 is provided with a positioning rib 322, and the bottom of the sunken groove 13 is provided with three groups of positioning block groups, and a positioning groove 132 is formed between two positioning blocks 131 in each group of positioning block groups; when the rotating member 3 is rotated to the first position, the second position or the third position relative to the cover body 1, the positioning rib 322 is used for being embedded with the positioning groove 132 at the corresponding position to realize the circumferential positioning of the rotating member 3 and the cover body 1; through the adoption of this structure, when the rotating member is rotated to the first position, the second position or the third position relative to the cover body, the positioning rib can be embedded with the positioning groove at the corresponding position to realize the circumferential positioning of the rotating member and the cover body, that is, the rotating member can be kept at the first position, the second position or the third position, that is, when the rotating member is rotated to the first position, the second position or the third position relative to the cover body, the free rotation of the rotating member can be avoided.

[0033] The edge of the bottom of the sunken groove 13 is circumferentially provided with two limiting ribs 133, and the edge of the bottom of the rotating disc part 32 is provided with a limiting protrusion 323, and the two limiting ribs 133 are used for abutting against the limiting protrusion 323 to limit the rotation range of the rotating member 3 relative to the cover body 1; through the adoption of this structure, under the action of the limiting protrusion and the two limiting ribs, when the rotating member is rotated relative to the cover body, the two limiting ribs can abut against the limiting protrusion to limit the rotation range of the rotating member relative to the cover body, thereby enabling the rotating member to only switch between the first position and the second position and between the second position and the third position relative to the cover body.

[0034] An indication window 324 is arranged at the outer edge of the rotating disc part 32, and when the rotating part 3 is rotated to the first position, the second position or the third position relative to the cover body 1, the indication window 324 is vertically aligned with the characters 134 arranged on the bottom of the sink groove 13; the bottom of the sink groove 13 is provided with an air inlet connector 5 which is clamped and circumferentially sealed with the cover body 1, and when the rotating part 3 is rotated to the first position relative to the cover body 1, the positioning rib 322 is used to abut against the upper end of the air inlet connector 5 to block the air inlet connector 5; through the arrangement of the indication window, when the rotating part is rotated to the first position, the second position or the third position relative to the cover body, the indication window can be vertically aligned with the corresponding characters arranged on the bottom of the sink groove, so that the user can easily know the current functional state of the rotating cup cover (the above-mentioned characters are used to indicate the functional state of the rotating cup cover); in addition, through the arrangement of the air inlet connector, when the user drinks the liquid in the cup body connected with the rotating cup cover, the air inlet connector can intake air to ensure the air pressure balance in the cup body, thereby facilitating the user to suck the liquid in the cup body; when the rotating part is rotated to the first position relative to the cover body, the positioning rib can abut against the upper end of the air inlet connector to block the air inlet connector, thereby avoiding the liquid in the cup body from leaking out of the air inlet connector when the user carries the cup body connected with the rotating cup cover.

[0035] In use, the cover body is used to be connected to the opening at the upper end of the cup body; when the rotating part is rotated to the first position relative to the cover body, at this time, the rotating part can drive the suction nozzle to move to the lower limit position and make the passage between the suction nozzle and the suction tube connector blocked, that is, the upper end of the suction tube connector can be tightly sealed with the inner top of the lower end of the suction nozzle, so that the passage between the inner cavity of the suction tube and the inner cavity of the suction tube connector is blocked, in this state, the user cannot suck the liquid in the cup body through the suction nozzle, and the liquid in the cup body can also be prevented from leaking out of the suction nozzle; in order to ensure the reliability of the passage between the suction nozzle and the suction tube connector being blocked, the inner cavity of the suction tube and the inner cavity of the suction tube connector are horizontally offset; when the rotating part is rotated to the second position relative to the cover body, the rotating part can drive the suction nozzle to move upwards and make the suction nozzle communicate with the suction tube connector, at this time, a gap can be generated between the upper end of the suction tube connector and the inner top of the lower end of the suction nozzle, that is, the lower end of the suction nozzle can communicate with the upper end of the suction tube connector through the gap, and since the upper end of the suction tube connector and the lower end of the suction nozzle are circumferentially sealed, the user can suck the liquid in the cup body through the suction nozzle; when the rotating part is rotated to the third position relative to the cover body, the rotating part can be in an unlocked state with the cover body, at this time, the rotating part and the suction nozzle can be vertically separated from the cover body, in this state, the user can detach the rotating part and the suction nozzle from the cover body, and the suction tube connector can also be detached from the cover body, that is, the cleaning of the rotating part, the suction nozzle and the suction tube connector is facilitated.

[0036] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical scope disclosed by the present application can be easily conceived by the person skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A spin cup lid characterized by: The utility model provides a cover (1), a suction nozzle (2), annular rotating part (3) and the straw connector (4) made of silica gel material are connected, the outer top middle part of cover (1) is provided with the recess (11), the bottom of recess (11) is provided with through -hole (12), the vertical direction middle part of straw connector (4) is clamped in through -hole (12) with through -hole (12) circumference sealing, rotating part (3) rotation is connected in the upper end of cover (1), the lower end of suction nozzle (2) is inserted in rotating part (3) with rotating part (3) transmission connection, the lower end of suction nozzle (2) with cover (1) circumference limit, the upper end of straw connector (4) is inserted in the lower end of suction nozzle (2) with suction nozzle (2) circumference sealing, when rotating part (3) rotates to first position relative to cover (1), rotating part (3) is used to drive suction nozzle (2) to move to lower limit position and makes the access between suction nozzle (2) and straw connector (4) be blocked, when rotating part (3) rotates to second position relative to cover, rotating part (3) is used to drive suction nozzle (2) and makes suction nozzle (2) and straw connector (4) intercommunication, when rotating part (3) rotates to third position relative to cover (1), rotating part (3) and cover (1) are in the unlocked state to make rotating part (3) and suction nozzle (2) can vertically separate from cover (1).

2. The rotary bell cup cover according to claim 1, characterized in that: The lower end of suction nozzle (2) is provided with annular and vertically inserted in the recess (11) of the sleeve joint (21), the lower end of the sleeve joint (21) is limited with the cover (1) circumferentially, the inner diameter of the sleeve joint (21) is greater than the inner diameter of the suction nozzle (2), the upper end of the straw connector (4) is inserted in the sleeve joint (21) and sealed with the sleeve joint (21) circumferentially; The lower end of the rotating sleeve (31) is provided with an annular rotating sleeve (31), which is vertically inserted into the recess (11) and rotationally matched with the recess (11), and the sleeve joint (21) is vertically inserted into the rotating sleeve (31) and transmission connected with the rotating sleeve (31).

3. The rotary bell cup of claim 2, wherein: The outer peripheral wall of the upper end of the straw connector (4) is provided with a plurality of annular ribs (41) spaced apart from top to bottom, each of the annular ribs (41) is tightly sealed with the inner peripheral wall of the sleeve joint (21).

4. The rotary bell cup of claim 2, wherein: The outer side wall of the sleeve joint (21) is circumferentially provided with a plurality of sliding columns (211), and the inner peripheral wall of the rotating sleeve (31) is provided with a spiral groove (311), each of the sliding columns (211) is slidingly fitted in the spiral groove (311).

5. The rotary bell cup of claim 2, wherein: The lower end of the sleeve joint (21) is provided with a plurality of circumferentially spaced limiting grooves (212), and the inner bottom of the recess (11) is provided with a plurality of limiting blocks (111) vertically corresponding to the limiting grooves (212), each of the limiting blocks (111) is vertically inserted into the limiting groove (212) at the corresponding position and is vertically slidingly connected with the limiting groove (212).

6. The rotary bell cup of claim 2, wherein: The outer peripheral wall of the rotating sleeve (31) is provided with an annular flange (312), and a plurality of notches (313) are arranged in the circumferential direction of the annular flange (312). The inner side wall of the recess (11) is circumferentially provided with a plurality of baffles (112). When the rotating part (3) is rotated to the third position relative to the cover body (1), each notch (313) is vertically aligned with one of the baffles (112) to release the vertical limiting of the annular flange (312) by the baffle (112), and the rotating part (3) and the suction nozzle (2) can be vertically separated from the cover body (1). When the rotating part (3) is rotated to the remaining positions relative to the cover body (1), the baffle (112) is used to abut against the upper end of the annular flange (312) to limit the vertical separation of the rotating part (3) and the suction nozzle (2) from the cover body (1).

7. The rotary bell cup of any of claims 2-6, wherein: The upper end of the rotating part (3) is provided with a rotating disc part (32) extending outwardly in the radial direction of the rotating part (3), and the upper end of the cover body (1) is provided with a sunken groove (13) for accommodating the rotating disc part (32). The edge of the upper end of the rotating disc part (32) is provided with a protrusion (321) for abutting against a finger to facilitate the finger to rotate the rotating disc part (32) and rotate the rotating part (3).

8. The rotary bell cup of claim 7, wherein: The bottom of the rotating disc part (32) is provided with a positioning rib (322), and the bottom of the sunken groove (13) is provided with three groups of positioning block groups. Two positioning blocks (131) in each group of positioning block groups form a positioning groove (132) therebetween. When the rotating part (3) is rotated to the first position, the second position or the third position relative to the cover body (1), the positioning rib (322) is used to be fitted into the positioning groove (132) at the corresponding position to achieve the circumferential positioning of the rotating part (3) and the cover body (1).

9. The rotary bell cup of claim 8, wherein: The edge of the bottom of the sunken groove (13) is circumferentially provided with two limiting ribs (133), and the edge of the bottom of the rotating disc part (32) is provided with a limiting protrusion (323). The two limiting ribs (133) are used to abut against the limiting protrusion (323) to limit the rotation range of the rotating part (3) relative to the cover body (1).

10. The rotary bell cup of claim 8, wherein: The outer edge of the rotating disc part (32) is provided with an indication window (324). When the rotating part (3) is rotated to the first position, the second position or the third position relative to the cover body (1), the indication window (324) is vertically aligned with the corresponding characters (134) located on the bottom of the sunken groove (13). The bottom of the sunken groove (13) is provided with an air inlet connector (5). The air inlet connector (5) is clamped with the cover body (1) and circumferentially sealed. When the rotating part (3) is rotated to the first position relative to the cover body (1), the positioning rib (322) is used to abut against the upper end of the air inlet connector (5) to block the air inlet connector (5).

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