CN220900259U

CN220900259U - Stirring rotary structure

Info

Publication number: CN220900259U
Application number: CN202322306696.8U
Authority: CN
Inventors: 梁维浩; 邹海清; 廖广就; 陈娟; 谢金成
Original assignee: Guangzhou Echom Science and Technology Group Co Ltd
Current assignee: Guangzhou Echom Science and Technology Group Co Ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-05-07
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to the technical field of rotating structures, and discloses a stirring rotating structure which comprises a fixed pipe, a fixed cover, a stirring piece and a transmission piece; the top of the fixed pipe is provided with an opening; the fixed cover is detachably and hermetically connected to the opening, and a through hole is formed in the middle of the fixed cover; one end of the stirring piece is a stirring end and is positioned in the fixed pipe; the other end is a connecting end, and the connecting end is provided with a sealing position which is rotatably connected with the through hole and a separation position which is mutually separated from the through hole; one end of the transmission piece is detachably connected with the connecting end, and the other end of the transmission piece is the driving end, so that the stirring piece is suitable for being driven to rotate when being stressed.

Description

Stirring rotary structure

Technical Field

The utility model relates to the technical field of rotating structures, in particular to a stirring rotating structure.

Background

The laboratory or department prepares suspension and often needs to carry out stirring of liquid or grinding of cell, and can all use stirring rotary structure when carrying out stirring of liquid or grinding of cell, and stirring rotary structure in the related art generally is by high-speed rotatory motor drive impeller stirring liquid, and the washing of inconvenient dismantlement after the use is accomplished, brings the material in the liquid of last time or last several times into the liquid of last time or last several times stirring easily, leads to the liquid of later stirring to be polluted.

Disclosure of utility model

In view of the above, the present utility model provides a stirring and rotating structure to solve the problem that the conventional stirring and rotating structure is easy to cause cross contamination between different liquids.

In a first aspect, the utility model provides a stirring rotating structure, comprising a fixed pipe, a fixed cover, a stirring piece and a transmission piece; the top of the fixed pipe is provided with an opening; the fixed cover is detachably and hermetically connected to the opening, and a through hole is formed in the middle of the fixed cover; one end of the stirring piece is a stirring end and is positioned in the fixed pipe; the other end is a connecting end, and the connecting end is provided with a sealing position which is rotatably connected with the through hole and a separation position which is mutually separated from the through hole; one end of the transmission piece is detachably connected with the connecting end, and the other end of the transmission piece is a driving end and is suitable for driving the stirring piece to rotate when being stressed.

The beneficial effects are that: when the connecting end is rotatably connected with the through hole, the connecting end is in a sealing position, a sealing structure is formed in the fixed pipe, and when the driving transmission piece drives the stirring piece to rotate to stir liquid, the liquid can be prevented from splashing out of the fixed pipe, and foreign matters can be prevented from entering the fixed pipe to pollute the liquid; the fixed pipe, the fixed cover, the stirring piece and the transmission piece are all detachably connected, so that the fixed pipe, the fixed cover, the stirring piece and the transmission piece are easy to replace, different liquids can be replaced by different stirring rotating structures, and cross contamination among the liquids is prevented; and because all be can dismantle the connection between fixed pipe, fixed lid, stirring piece and the driving medium, the dismantlement of being convenient for to every structure washs, has further avoided cross contamination between the liquid.

In an alternative embodiment, a first protrusion is protruding from the outer periphery of the top of the connection end, a first groove is correspondingly formed in the top of the through hole, and the first protrusion is suitable for being in clamping fit with the first groove.

The beneficial effects are that: the first protrusion is matched with the first groove in a clamping way so as to be convenient for detachably connecting the stirring piece on the fixed cover.

In an alternative embodiment, the first protrusion is an annular protrusion, and the first groove is an annular groove; the notch of the first groove faces upwards, the groove wall of the inner ring is lower than the groove wall of the outer ring, and the diameter of the groove wall of the inner ring is smaller than the outer diameter of the first protrusion.

The beneficial effects are that: the first bulge is an annular bulge, and the first groove is correspondingly designed as an annular groove, so that the stirring piece can conveniently rotate relative to the fixed cover; the notch of the first groove faces upwards and forms a hook shape, so that the stirring piece is conveniently and firmly clamped on the fixed cover, the stirring piece is prevented from falling off from the fixed cover, and the stability of connection between the stirring piece and the fixed cover is enhanced; the first groove is located the cell wall of inner ring and is less than the cell wall that is located the outer loop, and the diameter of the cell wall that is located the inner ring is less than the bellied external diameter of first, is convenient for with first protruding joint in first groove.

In an alternative embodiment, the outer peripheral wall of the connecting end is provided with a second protrusion in a protruding mode, the inner wall of the through hole is correspondingly provided with a second groove, and the second protrusion is suitable for being in clamping fit with the second groove.

The beneficial effects are that: the second bulge and the second groove are matched in a clamping way, so that the connection strength between the stirring piece and the fixed cover is enhanced, and the tightness of connection between the stirring piece and the fixed cover is enhanced.

In an alternative embodiment, the second protrusions and the second grooves are all provided with a plurality of protrusions, the second grooves and the second protrusions are arranged in a one-to-one correspondence manner, the plurality of second protrusions are distributed along the axial direction of the connecting end, and the plurality of second grooves are distributed along the axial direction of the through hole.

The beneficial effects are that: the design of a plurality of second archs and a plurality of second recesses makes the connection between stirring piece and the fixed lid inseparabler, has further strengthened the joint strength between stirring piece and the fixed lid to the leakproofness of being connected between stirring piece and the fixed lid has been strengthened.

In an alternative embodiment, the second protrusion is an annular protrusion and the second recess is a corresponding annular recess.

The beneficial effects are that: the second bulge is an annular bulge, and the second groove is correspondingly designed as an annular groove, so that the stirring piece is smoother when rotating relative to the fixed cover, the rotation of the stirring piece is prevented from being influenced, the structural design is more reasonable, and the practicability is stronger; moreover, the cooperation of the annular protrusion and the annular groove can also enhance the sealing effect.

In an alternative embodiment, the connection end is connected to the top of the through hole, and the outer diameter of the connection end is larger than the inner diameter of the top of the through hole; the connecting end is of an annular structure, an elastic groove is formed in the side wall of the connecting end, the elastic groove penetrates through the inner ring and the outer ring of the connecting end, and the notch of the elastic groove is formed in the top of the connecting end.

The beneficial effects are that: the design of the elastic groove enables the connecting end to elastically deform, so that the outer diameter of the connecting end is reduced, the connecting end can be easily fixed at the top of the through hole and is in interference fit with the top of the through hole, the stirring piece is connected with the fixed cover more tightly, and the sealing performance is enhanced; the connecting end can be easily detached from the through hole.

In an alternative embodiment, two elastic grooves are provided and symmetrically distributed on the groove wall of the connecting end.

The beneficial effects are that: the design of the two elastic grooves enlarges the change range of the outer diameter of the connecting end, so that the disassembly and the assembly of the stirring piece are more labor-saving and convenient, and the assembly and the disassembly efficiency is improved; and the symmetrically distributed elastic grooves enable the connecting ends to be stressed uniformly.

In an alternative embodiment, the distance between the two groove walls of the elastic groove gradually decreases from top to bottom.

The beneficial effects are that: the design that the distance between two cell walls gradually reduces from top to bottom makes the elastic deformation ability of link gradually reduce from top to bottom, is convenient for the link get into in the through-hole from the top.

In an optional implementation manner, the inner wall of the connecting end is provided with a limiting protrusion, the limiting protrusion extends along the axial direction of the connecting end, the outer peripheral wall of the transmission member is correspondingly provided with a limiting groove, the limiting groove extends along the axial direction of the transmission member, and the limiting protrusion is suitable for being in clamping fit with the limiting groove.

The beneficial effects are that: the limiting protrusion is arranged along the axial direction of the connecting end, and the limiting groove is arranged along the axial direction of the transmission piece, so that relative rotation between the transmission piece and the stirring piece is prevented when the transmission piece drives the stirring piece to rotate.

In an alternative embodiment, the fixing cover comprises a body and a bending edge, the through hole is arranged in the middle of the body, and the bending edge is arranged at the top of the body and forms a third groove with the outer periphery of the body; the top of the fixed pipe is positioned in the third groove and is in threaded connection with the bending edge.

The beneficial effects are that: the design of the bending edge effectively enhances the tightness of the connection of the fixed cover and the opening of the fixed pipe and prevents the liquid from flowing out from the connection of the fixed cover and the fixed pipe.

In an alternative embodiment, the outer diameter of the body gradually decreases from top to bottom, the body comprises a first body section and a second body section, the first body section is positioned below the second body section, and the outer diameter of the first body section is smaller than the inner diameter of the orifice of the fixed pipe; the external diameter of second body section is greater than the orificial internal diameter of fixed pipe, just the second body section is equipped with the ring of dodging between the through-hole with the periphery wall of second body section.

The beneficial effects are that: the outer diameter of the body gradually decreases from top to bottom, and the outer diameter of the first body section is smaller than the inner diameter of the pipe orifice of the fixed pipe, so that the body is conveniently placed in the fixed pipe; the outer diameter of the second body section is larger than the inner diameter of the pipe orifice of the fixed pipe, the fixed pipe and the body are in interference fit, so that the fixed pipe and the body are connected more tightly, and the tightness is enhanced; the design of dodging the ring makes the second body section can take place elastic deformation, is convenient for install the inside at fixed pipe with the second body section, and the dismantlement and the installation of fixed lid of being convenient for.

In an alternative embodiment, the securing tube is injection molded from high purity polypropylene.

The beneficial effects are that: the fixing tube formed by injection molding of high-purity polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property and good high-wear resistance, and is suitable for providing supporting force for the fixing cover when the stirring piece rotates.

In an alternative embodiment, the fixing cover is injection molded from polyethylene material.

The beneficial effects are that: the fixing cover formed by injection molding of polyethylene material has good elasticity, and interference fit between the fixing cover and the stirring piece and between the fixing cover and the fixing pipe is convenient to realize.

In an alternative embodiment, the stirring element is injection molded from a polyoxymethylene resin.

The beneficial effects are that: the stirring piece injection molded by the polyoxymethylene resin has smooth surface, higher heat resistance, bending strength, fatigue resistance and wear resistance, and is suitable for stirring liquid.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a stirring rotation structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a stationary tube, stationary cover and stirring element according to an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A;

FIG. 4 is a cross-sectional view of a stationary cover according to an embodiment of the utility model;

FIG. 5 is an enlarged schematic view of B in FIG. 4;

FIG. 6 is a schematic view of a stirring element according to an embodiment of the present utility model;

Fig. 7 is an enlarged schematic view of C in fig. 6.

Reference numerals illustrate:

1. A fixed tube; 2. a fixed cover; 21. a through hole; 211. a first groove; 212. a second groove; 22. a body; 221. a first body segment; 222. a second body segment; 2221. an avoidance ring; 23. bending edges; 24. a third groove; 3. a stirring member; 31. a stirring end; 32. a connection end; 321. a first protrusion; 322. a second protrusion; 323. an elastic groove; 324. a limit protrusion; 4. a transmission member.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

Embodiments of the present utility model are described below with reference to fig. 1 to 7.

According to an embodiment of the present utility model, in one aspect, there is provided a stirring rotation structure including a fixed pipe 1, a fixed cover 2, a stirring member 3, and a transmission member 4; the top of the fixed pipe 1 is provided with an opening; the fixed cover 2 is detachably and hermetically connected with the opening, and a through hole 21 is arranged in the middle; one end of the stirring piece 3 is a stirring end 31 which is positioned in the fixed pipe 1; the other end is a connecting end 32, and the connecting end 32 is provided with a sealing position rotatably connected with the through hole 21 and a separation position mutually separated from the through hole 21; one end of the transmission member 4 is detachably connected with the connecting end 32, and the other end is a driving end and is suitable for driving the stirring member 3 to rotate when being stressed.

When the connecting end 32 is rotatably connected with the through hole 21, the connecting end 32 is in a sealing position, a sealing structure is formed inside the fixed pipe 1, and when the driving transmission piece 4 drives the stirring piece 3 to rotate to stir liquid, the liquid can be prevented from splashing out of the fixed pipe 1, and foreign matters can be prevented from entering the fixed pipe 1 to pollute the liquid; the fixed pipe 1, the fixed cover 2, the stirring piece 3 and the transmission piece 4 are detachably connected, so that the fixed pipe 1, the fixed cover 2, the stirring piece 3 and the transmission piece 4 are easy to replace, different liquids can be replaced by different stirring rotating structures, and cross contamination among the liquids is prevented; and all be the dismantlement connection owing to fixed pipe 1, fixed lid 2, stirring piece 3 and driving medium 4 between, the dismantlement cleaning of every structure of being convenient for has further avoided cross contamination between the liquid.

In a specific embodiment, the driving member 4 may be manually driven to drive the stirring member 3 to rotate, or the driving member 4 may be driven to drive the stirring member 3 to rotate by a motor or the like.

Specifically, the transmission part 4 is a transmission shaft, the stirring part 3 is a stirring shaft, the stirring part 3 is of a hollow structure, and the bottom is sealed; the through hole 21 is positioned at the center of the fixed cover 2, so that the stirring piece 3 can be ensured to be positioned at the center of the fixed pipe 1, and the liquid stirring is more uniform.

Specifically, the body 22 of the fixing tube 1 has a cylindrical structure, and the bottom has a truncated cone structure with a diameter gradually decreasing from top to bottom.

In one embodiment, a first protrusion 321 protrudes from the outer periphery of the top of the connecting end 32, and a first groove 211 is correspondingly disposed on the top of the through hole 21, where the first protrusion 321 is adapted to be in snap fit with the first groove 211.

The first protrusion 321 and the first groove 211 are in snap fit to facilitate the detachable connection of the stirring member 3 to the fixed cover 2.

In one embodiment, the first protrusion 321 is an annular protrusion, and the first groove 211 is a corresponding annular groove; the notch of the first groove 211 faces upwards, and the groove wall at the inner ring is lower than the groove wall at the outer ring, and the diameter of the groove wall at the inner ring is smaller than the outer diameter of the first protrusion 321.

The first protrusion 321 is an annular protrusion, and the first groove 211 is correspondingly an annular groove, so that the stirring piece 3 can rotate relative to the fixed cover 2; the notch of the first groove 211 faces upwards and forms a hook shape, so that the stirring piece 3 is conveniently and firmly clamped on the fixed cover 2, the stirring piece 3 is prevented from falling off from the fixed cover 2, and the stability of connection between the stirring piece 3 and the fixed cover 2 is enhanced; the first groove 211 is located in the inner ring and has a groove wall lower than the groove wall of the outer ring, and the diameter of the groove wall of the inner ring is smaller than the outer diameter of the first protrusion 321, so that the first protrusion 321 is conveniently clamped in the first groove 211.

In one embodiment, the outer peripheral wall of the connecting end 32 is provided with a second protrusion 322 in a protruding manner, and the inner wall of the through hole 21 is correspondingly provided with a second groove 212, and the second protrusion 322 is adapted to be in snap fit with the second groove 212.

The second protrusion 322 is engaged with the second groove 212 to enhance the coupling strength between the stirring member 3 and the fixed cover 2 and to enhance the sealing of the coupling between the stirring member 3 and the fixed cover 2.

In one embodiment, the second protrusions 322 and the second grooves 212 are provided in plurality, the second grooves 212 and the second protrusions 322 are disposed in one-to-one correspondence, the plurality of second protrusions 322 are distributed along the axial direction of the connection end 32, and the plurality of second grooves 212 are distributed along the axial direction of the through hole 21.

The design of the plurality of second protrusions 322 and the plurality of second grooves 212 makes the connection between the stirring member 3 and the fixed cover 2 tighter, further enhances the connection strength between the stirring member 3 and the fixed cover 2, and enhances the sealing property of the connection between the stirring member 3 and the fixed cover 2.

In one embodiment, the second protrusion 322 is an annular protrusion and the second recess 212 is a corresponding annular recess.

The second bulge 322 is an annular bulge, and the second groove 212 is correspondingly designed as an annular groove, so that the stirring piece 3 is smoother when rotating relative to the fixed cover 2, the rotation of the stirring piece 3 is prevented from being influenced, the structural design is more reasonable, and the practicability is stronger; moreover, the cooperation of the annular protrusion and the annular groove can also enhance the sealing effect.

In one embodiment, the connection end 32 is connected to the top of the through hole 21, and the outer diameter of the connection end 32 is larger than the inner diameter of the top of the through hole 21; the connecting end 32 is of an annular structure, an elastic groove 323 is formed in the side wall of the connecting end 32, the elastic groove 323 is a through groove penetrating through the inner ring and the outer ring of the connecting end 32, and a notch of the elastic groove 323 is formed in the top of the connecting end 32.

The elastic groove 323 enables the connecting end 32 to elastically deform, so that the outer diameter of the connecting end 32 is reduced, the connecting end 32 can be easily fixed at the top of the through hole 21 and is in interference fit with the top of the through hole 21, the stirring piece 3 is connected with the fixed cover 2 more tightly, and the sealing performance is enhanced; the connection end 32 can be easily detached from the through hole 21.

In a specific embodiment, the outer diameter of the connecting end 32 is smaller than the outer diameter of the stirring end 31; the inner diameter of the top of the through hole 21 is smaller than the inner diameter of the bottom of the through hole 21.

In one embodiment, the elastic grooves 323 are two and symmetrically distributed on the groove wall of the connecting end 32.

The design of the two elastic grooves 323 enlarges the variation range of the outer diameter of the connecting end 32, so that the disassembly and the assembly of the stirring piece 3 are more labor-saving and convenient, and the assembly and disassembly efficiency is improved; and the symmetrically distributed elastic grooves 323 make the stress of the connecting end 32 uniform.

In one embodiment, the distance between the two groove walls of the elastic groove 323 is gradually reduced from top to bottom.

The design of gradually decreasing the distance between the two groove walls from top to bottom gradually decreases the elastic deformation capability of the connecting end 32 from top to bottom, so that the connecting end 32 can enter the through hole 21 from the top.

In one embodiment, the inner wall of the connecting end 32 is provided with a limiting protrusion 324, the limiting protrusion 324 extends along the axial direction of the connecting end 32, the outer peripheral wall of the transmission member 4 is correspondingly provided with a limiting groove, the limiting groove extends along the axial direction of the transmission member 4, and the limiting protrusion 324 is suitable for being in clamping fit with the limiting groove.

The spacing protruding 324 sets up along the axial direction of link 32, and spacing recess sets up along the axial direction of driving medium 4, prevents that driving medium 4 from driving stirring piece 3 rotatory time and stirring piece 3 between relative rotation.

Specifically, the limiting protrusions 324 and the limiting grooves are all provided with a plurality of limiting protrusions 324, the limiting protrusions 324 are arranged along the inner circumference of the connecting end 32, the limiting grooves are arranged along the outer circumference of the transmission piece 4, and the limiting protrusions 324 and the limiting grooves are in one-to-one correspondence.

In one embodiment, the fixed cover 2 includes a body 22 and a bending edge 23, the through hole 21 is disposed in the middle of the body 22, and the bending edge 23 is disposed on the top of the body 22 and forms a third groove 24 with the outer periphery of the body 22; the top of the fixing tube 1 is located in the third groove 24 and is in threaded connection with the bending edge 23.

The design of the bending edge 23 effectively enhances the tightness of the connection of the fixed cover 2 and the opening of the fixed pipe 1 and prevents the liquid from flowing out of the connection of the fixed cover 2 and the fixed pipe 1.

In one embodiment, the outer diameter of the body 22 gradually decreases from top to bottom, and the body 22 includes a first body section 221 and a second body section 222, and the first body section 221 is located below the second body section 222, and the outer diameter of the first body section 221 is smaller than the inner diameter of the orifice of the fixing tube 1; the outer diameter of the second body section 222 is larger than the inner diameter of the pipe orifice of the fixed pipe 1, and the second body section 222 is provided with a avoiding ring 2221 between the through hole 21 and the outer peripheral wall of the second body section 222.

The outer diameter of the body 22 gradually decreases from top to bottom, and the outer diameter of the first body section 221 is smaller than the inner diameter of the pipe orifice of the fixed pipe 1, so that the body 22 is conveniently placed inside the fixed pipe 1; the outer diameter of the second body section 222 is larger than the inner diameter of the pipe orifice of the fixed pipe 1, the fixed pipe 1 and the body 22 are in interference fit, so that the fixed pipe 1 and the body 22 are connected more tightly, and the tightness is enhanced; the design of dodging ring 2221 makes second body section 222 elastically deformable, is convenient for install second body section 222 in the inside of fixed pipe 1, is convenient for the dismantlement and the installation of fixed lid 2.

In a specific embodiment, the length of the bending edge 23 is shorter than the length of the body 22 of the stationary cover 2, facilitating the entry of the body 22 of the stationary cover 2 into the interior of the stationary pipe 1 when the top of the stationary pipe 1 is located in the third recess 24.

In one embodiment, the fixing tube 1 is injection molded using high purity polypropylene.

The fixing tube 1 injection-molded using high purity polypropylene has chemical resistance, heat resistance, electrical insulation, high strength mechanical properties and good high abrasion resistance, and is adapted to provide a supporting force for the fixing cap 2 when the stirring member 3 is rotated.

In one embodiment, the fixed cover 2 is injection molded from a polyethylene material.

The fixed cover 2 formed by injection molding of polyethylene material has good elasticity, so that interference fit between the fixed cover 2 and the stirring piece 3 and the fixed pipe 1 is realized conveniently.

In one embodiment, the stirring element 3 is injection molded from a polyoxymethylene resin.

The stirring piece injection molded by the polyoxymethylene resin has smooth surface, higher heat resistance, bending strength, fatigue resistance and wear resistance, and is suitable for stirring liquid.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims

1. A stirring rotary structure, characterized by comprising:

A fixed pipe (1) with an opening at the top;

A fixed cover (2) which is detachably connected with the opening in a sealing way, and a through hole (21) is arranged in the middle;

one end of the stirring piece (3) is a stirring end (31) and is positioned in the fixed pipe (1); the other end is a connecting end (32), and the connecting end (32) is provided with a sealing position which is rotatably connected with the through hole (21) and a separation position which is mutually separated from the through hole (21);

and one end of the transmission piece (4) is detachably connected with the connecting end (32), and the other end of the transmission piece is a driving end and is suitable for driving the stirring piece (3) to rotate when being stressed.

2. The stirring rotating structure according to claim 1, wherein a first protrusion (321) is protruding from the outer periphery of the top of the connecting end (32), a first groove (211) is correspondingly provided on the top of the through hole (21), and the first protrusion (321) is adapted to be in clamping fit with the first groove (211).

3. The stirring rotation structure according to claim 2, characterized in that said first protrusion (321) is an annular protrusion, said first recess (211) being a corresponding annular recess; the notch of the first groove (211) faces upwards, the groove wall of the inner ring is lower than the groove wall of the outer ring, and the diameter of the groove wall of the inner ring is smaller than the outer diameter of the first protrusion (321).

4. A stirring rotation structure according to any one of claims 1-3, characterized in that the outer peripheral wall of the connecting end (32) is provided with a second protrusion (322) in a protruding manner, the inner wall of the through hole (21) is correspondingly provided with a second groove (212), and the second protrusion (322) is suitable for being in clamping fit with the second groove (212).

5. The stirring rotating structure according to claim 4, wherein a plurality of second protrusions (322) and second grooves (212) are provided, the second grooves (212) and the second protrusions (322) are arranged in a one-to-one correspondence, the plurality of second protrusions (322) are distributed along the axial direction of the connecting end (32), and the plurality of second grooves (212) are distributed along the axial direction of the through hole (21);

And/or, the second protrusion (322) is an annular protrusion, and the second groove (212) is an annular groove correspondingly.

6. A stirring rotation structure according to any one of claims 1-3 or 5, characterized in that the connection end (32) is connected to the top of the through hole (21) and that the outer diameter of the connection end (32) is larger than the inner diameter of the top of the through hole (21); the connecting end (32) is of an annular structure, an elastic groove (323) is formed in the side wall of the connecting end (32), the elastic groove (323) penetrates through the inner ring and the outer ring of the connecting end (32), and a notch of the elastic groove (323) is formed in the top of the connecting end (32).

7. Stirring rotation structure according to claim 6, characterized in that said elastic grooves (323) are provided in two and symmetrically distributed on the walls of the groove of said connecting end (32);

And/or the distance between two groove walls of the elastic groove (323) gradually decreases from top to bottom;

And/or, the inner wall of the connecting end (32) is provided with a limiting protrusion (324), the limiting protrusion (324) extends along the axial direction of the connecting end (32), the outer peripheral wall of the transmission piece (4) is correspondingly provided with a limiting groove, the limiting groove extends along the axial direction of the transmission piece (4), and the limiting protrusion (324) is suitable for being matched with the limiting groove in a clamping way.

8. A stirring rotation structure according to any one of claims 1-3, 5 or 7, characterized in that the fixed cover (2) comprises a body (22) and a bending edge (23), the through hole (21) is arranged in the middle of the body (22), and the bending edge (23) is arranged at the top of the body (22) and forms a third groove (24) with the outer periphery of the body (22); the top of the fixed pipe (1) is positioned in the third groove (24) and is in threaded connection with the bending edge (23).

9. The stirring rotating structure according to claim 8, characterized in that the outer diameter of the body (22) gradually decreases from top to bottom, and the body (22) comprises a first body section (221) and a second body section (222), and the first body section (221) is located below the second body section (222), the outer diameter of the first body section (221) being smaller than the inner diameter of the orifice of the stationary pipe (1); the outer diameter of the second body section (222) is larger than the inner diameter of the pipe orifice of the fixed pipe (1), and an avoidance ring (2221) is arranged between the through hole (21) and the outer peripheral wall of the second body section (222) by the second body section (222).

10. A stirring and rotating structure according to any one of claims 1-3, 5, 7 or 9, characterized in that the stationary tube (1) is injection molded from high purity polypropylene;

And/or the fixed cover (2) is formed by injection molding of polyethylene material;

and/or the stirring piece (3) is formed by injection molding of polyoxymethylene resin.