CN217049772U

CN217049772U - Grinding bottle cap

Info

Publication number: CN217049772U
Application number: CN202220639595.5U
Authority: CN
Inventors: 赵晓洪; 李细军; 蒲胤霖; 冯云飞
Original assignee: Chengdu Xingxingle Technology Co ltd
Current assignee: Chengdu Xingxingle Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-26
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a grinding bottle cap, including fixed part and rotating part, the fixed part is including fixed cover and grinding cover, and the rotating part includes swivel sleeve, dabber and grinding core, and the grinding core passes through spring axial position and installs at the spindle adjustably, and the swivel sleeve includes holding chamber and blanking passageway, is equipped with the toper friction surface that from top to bottom diameter increases gradually on the inner wall face of grinding cover, and the friction surface includes the coarse friction surface of upper segment and the smart friction surface of hypomere, is equipped with the adaptation friction surface on the outer wall face of grinding core. When the grinding bottle cap is used, a consumer can pour all solid additives into the accommodating cavity of the grinding bottle cap at one time, and the operation is convenient. The structure of friction surface makes the powder after the grinding can smoothly fall into the body of below connection and can also carry out spacing to the upward movement of rotation part to play the effect of simplifying grinding bottle lid structure, reduction in production cost. The spring can further reduce the requirement to grinding bottle lid machining precision, reduces the utility model discloses a manufacturing cost.

Description

Grinding bottle cap

Technical Field

The utility model relates to a grinding bottle cap.

Background

At present, bottled drinks in the market are divided into two forms, one is a drink without additives such as mineral water and purified water, and the other is a drink containing sugar or fruit juice, such as black tea, green tea, soda water and the like. For the beverage containing sugar or the beverage containing fruit juice, the added components are generally directly dissolved in water, and then the mixture is directly bottled, so that the prior beverage containing sugar or fruit juice has the following defects: firstly, due to the complexity of the components in the added sugar or fruit juice, in order to increase the shelf life of the beverage, a preservative needs to be added into the beverage, which is not good for the health of consumers; secondly, after part of the additives are dissolved in water for a long time, the taste of the additives is greatly changed, and bad consumption experience is brought to consumers.

Therefore, there are beverage bottles storing solid additives separately from liquid in the prior art, which comprise a body for containing the liquid and a storage chamber for containing the solid additives, and the two separate storage areas are provided to realize the solid-liquid partitioned storage, but the solid additives are directly poured into the body during the mixing process, so that the solid and the liquid are mixed for drinking. The solid additive is slowly dissolved due to the limitation of liquid temperature and the like, so that the situation that the concentration of the additive is low when the solid additive is just drunk and the concentration of the additive is higher later is often caused, and bad consumption experience is brought to consumers. The problem of difficult rapid dissolution of the solid additive is particularly prominent when the solid additive has large particles or a slow dissolution rate.

Some prior art caps have a grinding effect, but the high manufacturing cost of these grinding caps limits their use in disposable beverage bottles; meanwhile, the grinding bottle cap is not provided with a cavity for storing solid particles, and the grinding bottle cap is required to be always connected with the bottle body so as to ensure that the solid particles in the bottle body can continuously enter the grinding part to be ground. However, to avoid reducing user experience, for solid-liquid split beverage bottles, the grinding bottle cap also needs to be able to store solid particles to ensure that the solid particles to be mixed can be poured into the grinding bottle cap at one time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding bottle lid with low costs, can satisfy solid additive grinds demand in the beverage bottle.

In order to achieve the above object, the utility model discloses a grinding bottle cap adopts following technical scheme:

a grinding bottle cap comprises a fixed part and a rotating part, wherein the rotating part is circumferentially rotatably and axially limitedly arranged above the fixed part;

the fixed part comprises a fixed sleeve and a grinding sleeve, the grinding sleeve is fixedly arranged in the fixed sleeve, a second connecting structure is arranged at the lower end of the fixed sleeve, a conical friction surface with the diameter gradually increasing from top to bottom is arranged on the inner wall surface of the grinding sleeve, and the friction surface comprises an upper coarse friction surface and a lower fine friction surface;

the rotary part comprises a rotary sleeve, a mandrel, a grinding core and a spring, the mandrel is fixed inside the rotary sleeve, the grinding core is circumferentially stopped and axially movably mounted on the mandrel, the spring is jacked between the grinding core and the rotary sleeve, the rotary sleeve comprises an accommodating cavity and a blanking channel, the accommodating cavity is positioned above the grinding core and is communicated with a grinding space between the grinding sleeve and the grinding core, solid particles fall into the accommodating cavity through the blanking channel, and the lower end face of the rotary sleeve is abutted to the upper end face of the fixed sleeve;

the outer wall surface of the grinding core is provided with an adaptive friction surface matched with the friction surface, and the adaptive friction surface comprises a rough adaptive friction surface at the upper section and a fine adaptive friction surface at the lower section.

The spindle comprises a square cross-section and a threaded section at the lower end, a square shaft hole is formed in the middle of the grinding core, the size of the shaft hole is matched with that of the square cross-section so that the grinding core can be circumferentially stopped and axially movably arranged on the square cross-section, the rotating part further comprises a fixing nut which is matched with the threaded section at the lower end to prevent the grinding core from falling off the spindle, and the lower end of the grinding core extends to the threaded section to be in stop fit with the fixing nut.

The utility model discloses a blanking device, including the horizontal pole, the horizontal pole is located to the horizontal pole, the rotatory cover includes first rotatory cover and the fixed cover of axle, the fixed cover of axle is fixed inside first rotatory cover, the fixed cover of axle includes the main part of tube-shape and the horizontal pole that lies in the main part middle part in the axis direction, the upper end of dabber is fixed in on the horizontal pole, the clearance that lies in the horizontal pole both sides in the main part forms the blanking passageway, the space that lies in the horizontal pole below in the main part forms the holding chamber.

The cross rod is fixed in the middle of the main body and extends along the radial direction, and the mandrel is fixed in the middle of the cross rod.

The upper part of the outer contour surface of the cross bar along the width direction of the cross bar is an arc or a plane gradually downward from the middle part to two sides.

The upper end of the main body is provided with a split slot and a clamping part, the upper ends of the split slots are communicated and matched with one another in a group, and the clamping part is positioned between the two split slots of each group; the diameter of the clamping part is larger than the inner diameter of the corresponding shaft section on the first rotary sleeve, the inner wall surface of the first rotary sleeve is provided with a bulge which is matched with the slot splitting seam for guiding and inserting the first rotary sleeve from bottom to top, and a clamping groove which is matched with the clamping part for clamping the first rotary sleeve is arranged between the two bulges of each group on the inner wall surface of the first rotary sleeve.

The fixed sleeve comprises a first fixed sleeve and a second fixed sleeve, the inner diameter of the lower section of the second fixed sleeve is larger than the outer diameter of the grinding sleeve, so that the grinding sleeve can be arranged in the second fixed sleeve from the lower end, and the upper end of the second fixed sleeve is provided with a blocking edge for blocking the upper end surface of the grinding sleeve; the inner diameter of the upper end of the first fixing sleeve is larger than the outer diameter of the second fixing sleeve so that the second fixing sleeve can be inserted into the first fixing sleeve from the upper part, the middle part of the first fixing sleeve is provided with a step-shaped stopping edge, and the stopping edge comprises a grinding sleeve stopping edge which is close to the inside and used for stopping and matching with the lower end face of the grinding sleeve, and a second fixing sleeve stopping edge which is close to the outside and used for stopping and matching with the lower end face of the second fixing sleeve; rotation stopping structures are arranged between the first fixing sleeve and the second fixing sleeve and between the second fixing sleeve and the grinding sleeve.

The rotation stopping structure between the first fixing sleeve and the second fixing sleeve comprises a clamping block arranged at the upper end of the first fixing sleeve, and the clamping block can move outwards when being subjected to external force so as to be used for installing the second fixing sleeve and can reset after the external force is removed so as to tightly press the second fixing sleeve.

The rotation stopping structure between the second fixing sleeve and the grinding sleeve comprises a groove formed in the inner wall surface of the second fixing sleeve and a protruding portion formed in the outer wall surface of the grinding sleeve, the groove and the protruding portion extend in the up-down direction, and the groove and the protruding portion are matched in size.

The utility model has the advantages as follows: the utility model discloses when using, solid particle can be through the blanking passageway get into the holding chamber in, and the solid particle who stores up temporarily in the holding intracavity when rotating the rotary sleeve can get into gradually and grind the space and be ground into the powder, will the utility model discloses a second connection structure when installing in body upper end bottleneck department, grind garrulous powder and can directly fall into in the liquid of body. Therefore the utility model discloses when using, the consumer need not divide and pour the solid additive many times into grinding the bottle lid, but can once only pour the solid additive in the holding chamber of grinding the bottle lid, and user experience is good.

The friction surface with the diameter gradually increasing from top to bottom can ensure that the feeding is smooth in the grinding space and the discharging position is powder without large particles, the friction area has no baffle edge structure to ensure that the ground powder can smoothly fall into the bottle body connected below without being accumulated in the grinding part in a large quantity, and the upward movement of the rotating part can be limited by the matching of the grinding core and the grinding sleeve, so that the effects of simplifying the structure of the grinding bottle cap and reducing the production cost are achieved.

The setting of spring makes the relative dabber axial position of grinding core of installation from bottom to top adjust, and the adjustable axial position who grinds the core makes it target in place with the cooperation of grinding the cover under the circumstances of guaranteeing swivel nut and fixed cover butt to can reduce the requirement to grinding bottle lid machining precision, reduce the utility model discloses a manufacturing cost.

Furthermore, a cross rod is arranged in the middle of the main body of the shaft fixing sleeve, and solid additives can be further conveniently poured into the accommodating cavity through the space above the cross rod in the shaft fixing sleeve.

Furthermore, a shaft fixing sleeve is arranged in the rotating sleeve, the mandrel is fixed on the shaft fixing sleeve, the grinding core is prevented from falling off from the mandrel by using a fixing nut, and the grinding core can be driven to move along the axial direction of the mandrel by rotating the fixing nut so as to be matched with the grinding sleeve in place.

Furthermore, the appearance simple structure of first fixed cover, the fixed cover of second and grinding cover, and can assemble into the fixed form as an organic whole of three, under the prerequisite that satisfies fixed part function demand, simple structure is favorable to reducing fixed part's system mould cost, reduction in the number of rejects again, thereby further reduces the utility model discloses a manufacturing cost.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of a grinding cup according to the present invention;

fig. 2 is a schematic structural view of a fixing portion of a grinding bottle cap according to the present invention;

fig. 3 is a schematic structural view of a rotating part in a grinding bottle cap according to the present invention.

Detailed Description

The utility model discloses an embodiment of grinding bottle lid:

the utility model discloses a concrete structure of grinding bottle lid is as shown in fig. 1 to fig. 3, including rotating part 100 and fixed portion 200, rotating part 100 includes swivel sleeve, seal gasket 2, grinding core 4, spring 5, fixation nut 6 and dabber 10, and the swivel sleeve includes the fixed cover 3 of first swivel sleeve 1 and axle, and fixed portion 200 is including fixed cover and grinding cover 9, and fixed cover includes the fixed cover 8 of first fixed cover 7 and second.

The shaft fixing sleeve 3 comprises a main body 31, the main body 31 is of a hollow cylindrical structure, a cross bar 33 is fixed in the middle of the main body 31 along the radial direction, and blanking channels for solid particles to fall are formed on two sides of the cross bar 33. The inner space of the main body 31 below the cross bar 33 forms a container 36 for temporarily storing the solid additives, and the inner space of the main body 31 above the cross bar 33 has a ring shape, which facilitates the addition of the solid additives. The upper end of the mandrel 10 is fixed in the middle of the cross rod 33, the spring 5, the grinding core 4 and the fixing nut 6 sequentially penetrate through the mandrel 10 from top to bottom, the grinding core 4 and the mandrel 10 are circumferentially stopped and axially movable, and the spring 5 is installed between the cross rod 33 and the grinding core 4 in a jacking mode. In this embodiment, the upper portion of the outer contour surface of the rail 33 in the width direction of the rail 33 is formed in an arc shape or a flat surface gradually downward from the middle portion to both sides, and this structure prevents the solid additive from being accumulated on the rail 33.

Four slit grooves 32 are formed in the circumferential direction of the shaft fixing sleeve 3, the four slit grooves 32 are matched with one another in a group, and a clamping part 34 is arranged between the two slit grooves 32 in one group. The first rotating sleeve 1 comprises an upper section and a lower section, wherein the inner diameter of the lower section is larger than that of the upper section, a protrusion 11 extending along the up-down direction is arranged on the inner wall surface of the lower section, and the position and the size of the protrusion 11 are matched with those of the slot splitting seam 32. The outer diameter of the clamping part 34 is larger than the inner diameter of the lower section of the first rotary sleeve 1 and smaller than the inner diameter of the upper section of the first rotary sleeve 1, and the upper end of the lower section of the first rotary sleeve 1 is provided with a clamping groove 12 matched with the clamping part 34. The position and the size of the bulge 11 are matched with those of the split slot 32. The middle part of the first rotary sleeve 1 is provided with an upper blocking edge 13. When the shaft fixing sleeve 3 is mounted from bottom to top, the engaging portion 34 is compressed under pressure so as to pass through the lower section of the first rotary sleeve 1, and when the engaging portion 34 is positioned at a position corresponding to the engaging groove 12 in the vertical direction, the engaging portion 34 can rebound under the action of its own elastic force, and the lower end of the rebounded engaging portion 34 is stopped by the upper end surface of the engaging groove 12, thereby limiting the downward displacement of the shaft fixing sleeve 3. Meanwhile, after the shaft fixing sleeve 3 and the first rotary sleeve 1 are assembled in place, the matching of the split slot 32 and the protrusion 11 can limit the relative rotation of the first rotary sleeve 1 and the shaft fixing sleeve 3 on one hand, and the bottom wall of the split slot 32 can stop with the lower end of the protrusion 11 to limit the upward displacement of the shaft fixing sleeve 3 on the other hand. Therefore, after the shaft fixing sleeve 3 and the first rotating sleeve 1 are assembled in place, the shaft fixing sleeve 3 and the first rotating sleeve 1 can not move relatively and can not rotate relatively, and the shaft fixing sleeve 3 and the first rotating sleeve 1 can be connected into a whole.

In other embodiments, the first rotating sleeve 1 and the shaft fixing sleeve 3 may also be integrally formed, and in this case, the slit 32, the engaging portion 34, the protrusion 11, and the engaging groove 12 for fixing the first rotating sleeve 1 and the shaft fixing sleeve 3 may be omitted, but the molding cost and the rejection rate may be increased by using this technical solution.

In this embodiment, the outer peripheral surface of the mandrel 10 is square, the grinding core 4 is sleeved outside the mandrel 10 through the middle shaft hole 41 in a rotation stopping manner, and the lower end of the mandrel 10 is processed with a circular external thread section to connect the fixing nut 6. The lower end of the fixed nut 6 is provided with a flat hand-held force application part 61 so as to screw the fixed nut 6 along the external thread section of the mandrel 10, and the distance between the grinding core 4 and the cross bar 33 is reduced when the fixed nut 6 moves upward, so that the gap between the grinding core 4 and the grinding sleeve 9 can be adjusted to realize the assembly of the two under the condition that the lower end face of the first rotary sleeve 1 is abutted against the upper end face of the first fixed sleeve 7. The lower end face of the first rotating sleeve 1 is abutted against the upper end face of the first fixing sleeve 7, so that no gap is left between the rotating part and the fixing part, and dust and impurities can be prevented from entering the rotating part and the fixing part.

The first rotary sleeve 1 further comprises a first connecting structure 14 at the upper end, and the first connecting structure 14 is used for connecting an upper cover structure capable of sealing the inside of the grinding bottle cap. In this embodiment, the first connecting structure 14 is an internal threaded section formed on an inner wall surface of the upper section. In other embodiments, the grinding cap and the body may be packaged separately, in which case there is no sealing requirement above the grinding cap, and the first connecting structure 14 above the first rotary sleeve 1 may be omitted.

The first fixing sleeve 7, the second fixing sleeve 8 and the grinding sleeve 9 are all of cylindrical structures with through holes formed in the middle. The first fixing sleeve 7 and the second fixing sleeve 8 are both hollow cylindrical structures, wherein the inner wall surface of the first fixing sleeve 7 is provided with a plurality of clamping blocks 71, and the clamping blocks 71 are positioned at the upper end of the first fixing sleeve 7 and are arranged along the circumferential direction. Three bulges 91 are uniformly distributed on the peripheral surface of the grinding sleeve 9 at intervals along the circumferential direction, the bulges 91 extend along the up-down direction, and the middle part of the second fixing sleeve 8 is provided with a groove 81 matched with the bulges 91 in a matching way. The inner diameter of the lower section of the second fixing sleeve 8 is larger than the outer diameter of the polishing sleeve 9 so that the polishing sleeve 9 can be loaded into the second fixing sleeve 8 from the lower end, the upper end of the second fixing sleeve 8 is processed with an annular edge 82, and the lower end face of the annular edge 82 is in stop fit with the upper end face of the polishing sleeve 9 to limit the upward movement of the polishing sleeve 9.

The peripheral surface of the second fixing sleeve 8 is a cylindrical surface, and the inner diameter of the upper section of the first fixing sleeve 7 is larger than the outer diameter of the second fixing sleeve 8, so that the second fixing sleeve 8 can be inserted into the first fixing sleeve 7 from the upper part. During the process of mounting the second fixing sleeve 8 downwards, the latch 71 is deformed outwards to allow the second fixing sleeve 8 to be inserted; after the second fixing sleeve 8 is downwards installed in place, the clamping block 71 can reset under the action of the elastic force to press the outer wall surface of the second fixing sleeve 8, so that the second fixing sleeve 8 is prevented from rotating relative to the first fixing sleeve 7. The middle part of the first fixing sleeve 7 is provided with a step-shaped stopping edge 72, and the stopping edge 72 comprises an inner grinding sleeve stopping edge used for stopping and matching with the lower end face of the grinding sleeve 9 and an outer second fixing sleeve stopping edge used for stopping and matching with the lower end face of the second fixing sleeve 8. Therefore, after the assembly of the fixing portions is completed, the upper end of the grinding sleeve 9 is in stop fit with the lower end face of the ring edge 82, the lower end face of the grinding sleeve is in stop fit with the stop edge of the first fixing sleeve 7, and in addition to the rotation stopping structure between the second fixing sleeve 8 and the first fixing sleeve 7 and the rotation stopping structure between the second fixing sleeve 8 and the grinding sleeve 9, the first fixing sleeve 7 and the second fixing sleeve 8 can be connected into a whole without relative rotation or relative movement. The convex part 91 and the groove 81 form a rotation stopping structure between the second fixing sleeve 8 and the grinding sleeve 9; the latch 71 forms a rotation stop structure between the first fixing socket 7 and the second fixing socket 8.

In this embodiment, the upper end of the latch 71 is fixed on the inner wall of the first fixing sleeve 7, and the lower end is suspended. In other embodiments, the latch 71 can also be made into a spring top block, the spring top block includes a wedge-shaped surface at the outer end and a spring at the inner end, the spring can only extend along the horizontal direction, and the upper end surface of the wedge-shaped surface is gradually inclined downwards from outside to inside so that the second fixing sleeve 8 can be inserted from top to bottom.

In this embodiment, the polishing sleeve stopping edge is higher than the second fixing sleeve stopping edge. The first fixing sleeve 7 further comprises a lower section located below the stopping edge 72, and a second connecting structure 73 is arranged on the inner wall surface of the lower section. The second connecting structure 73 can be used for connecting the bottle body, and when the bottle body is provided with a lower cover structure for sealing the inside of the bottle body, the second connecting structure can also be used for connecting the lower cover structure. Since the common connecting structure at the upper end of the bottle body is a screw thread, in this embodiment, the second connecting structure 73 is an internal thread section. In other embodiments, when the upper end structure or the lower cap structure of the bottle body to be connected is an unthreaded section, the second connecting structure 73 is replaced by a corresponding structure.

The inner wall surface of the polishing sleeve 9 is provided with a tapered friction surface 92 having a diameter that is small at the top and large at the bottom, and the friction surface 92 includes an upper coarse friction surface and a lower fine friction surface. The outer wall surface of the grinding core 4 is provided with an adaptive friction surface 42 matched with the friction surface 92, and the adaptive friction surface 42 includes a coarse adaptive friction surface located at the upper section and a fine adaptive friction surface located at the lower section. The distance between two adjacent friction grains in the coarse friction surface is greater than the distance between two adjacent friction grains in the fine friction surface, so that solid particles can directly enter a gap between the coarse friction surface and the coarse adaptive friction surface and are difficult to directly enter a gap between the fine friction surface and the fine adaptive friction surface. The lower end surface of the first rotary sleeve 1 is abutted against the upper end surface of the first fixed sleeve 7, only the downward movement of the rotary part can be limited, and the upward movement of the rotary part is limited by the matching relationship of the grinding core 4 and the grinding sleeve 9. The upper segment is established coarse friction section, the lower segment is established the essence and is rubbed the section and make solid particle earlier by the corase grind again by the correct grinding, can also reduce the required drive power of grinding under the prerequisite of guaranteeing the grinding effect, optimizes user experience.

The utility model discloses a grinding bottle lid equipment step is as follows: firstly assembling a fixed part, then loading a grinding core 4 into a grinding sleeve 9 from the lower end, loading a sealing gasket 2 at the periphery of a shaft fixing sleeve 3 from top to bottom, loading the shaft fixing sleeve 3 into a first rotating sleeve 1 from the lower end, sleeving a spring 5 on a mandrel 10, enabling the lower end of the mandrel 10 to penetrate through a shaft hole 41, installing a fixing nut 6 at the lower end of the mandrel 10, screwing the fixing nut 6 and simultaneously realizing the assembly of the grinding core 4 and the grinding sleeve 9 and the butt joint of the lower end face of the first rotating sleeve 1 and the first fixing sleeve 7. The utility model discloses an each spare part structure is comparatively simple, and is with low costs, the shaping is of high quality, the rejection rate is low when required mould manufacturing, is favorable to reducing the utility model discloses a cost.

In this embodiment, the shaft fixing sleeve 3 further includes an annular shoulder 35 protruding from the main body 31, the annular shoulder 35 is located at the lower end of the main body 31, and the outer diameter of the annular shoulder is between the inner diameter and the outer diameter of the sealing gasket 2, so that before the shaft fixing sleeve 3 and the first rotating sleeve 1 are assembled, the sealing gasket 2 is first installed in the periphery of the shaft fixing sleeve 3 from above, and the sealing gasket 2 can be installed. The upper end face of the annular shoulder 35 is lower than the upper end face of the second retaining sleeve 8, and the upper end face of the second retaining sleeve 8 is lower than the upper end face of the first retaining sleeve 7, so that the sealing gasket 2 is clamped by the first rotating sleeve 1 and the second retaining sleeve 8 after assembly. Thereby can improve sealing performance again when guaranteeing that the rotatable part of rotatable part relatively rotates, will the utility model discloses a when grinding bottle lid is used for the beverage bottle, can directly rock the body after the solid particle grinding and promote liquid to erode remaining powder in the grinding part, this in-process liquid can not ooze by the junction of first swivel mount 1 and first fixed cover 7.

In other embodiments, the cross bar 33 may not be arranged in the middle of the shaft fixing sleeve 3, as long as the mandrel 10 and the first rotating sleeve 1 are coaxial; the rotation stopping structures between the first fixing sleeve 7 and the second fixing sleeve 8 and between the second fixing sleeve 8 and the grinding sleeve 9 can be replaced by other structures capable of limiting axial rotation, for example, positioning holes are correspondingly formed in the first fixing sleeve 7, the second fixing sleeve 8 and the grinding sleeve 9, and fixing pins are inserted into the positioning holes; the first fixing sleeve 7, the second fixing sleeve 8 and the grinding sleeve 9 can also be integrally formed, but in this case, the corresponding die is complicated in shape and the rejection rate is high during casting molding.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A grinding bottle cap is characterized in that: the rotary part is circumferentially and rotatably and axially arranged above the fixed part in a limiting way;

the fixed part comprises a fixed sleeve and a grinding sleeve, the grinding sleeve is fixedly arranged in the fixed sleeve, the lower end of the fixed sleeve is provided with a second connecting structure, the inner wall surface of the grinding sleeve is provided with a conical friction surface of which the diameter is gradually increased from top to bottom, and the friction surface comprises an upper coarse friction surface and a lower fine friction surface;

2. A grinding bottle cap according to claim 1, characterized in that: the spindle comprises a square cross-section and a threaded section at the lower end, a square shaft hole is formed in the middle of the grinding core, the size of the shaft hole is matched with that of the square cross-section so that the grinding core can be circumferentially stopped and axially movably arranged on the square cross-section, the rotating part further comprises a fixing nut which is matched with the threaded section at the lower end to prevent the grinding core from falling off the spindle, and the lower end of the grinding core extends to the threaded section to be in stop fit with the fixing nut.

3. A grinding cap according to claim 1, characterized in that: the utility model discloses a blanking device, including the horizontal pole, the horizontal pole is located to the horizontal pole, the rotatory cover includes first rotatory cover and the fixed cover of axle, the fixed cover of axle is fixed inside first rotatory cover, the fixed cover of axle includes the main part of tube-shape and the horizontal pole that lies in the main part middle part in the axis direction, the upper end of dabber is fixed in on the horizontal pole, the clearance that lies in the horizontal pole both sides in the main part forms the blanking passageway, the space that lies in the horizontal pole below in the main part forms the holding chamber.

4. A grinding cap according to claim 3, characterized in that: the cross rod is fixed in the middle of the main body and extends along the radial direction, and the mandrel is fixed in the middle of the cross rod.

5. A grinding bottle cap according to claim 3, characterized in that: the upper part of the outer contour surface of the cross bar along the width direction of the cross bar is an arc or a plane gradually downward from the middle part to two sides.

6. A grinding bottle cap according to claim 3, characterized in that: the upper end of the main body is provided with a split slot and a clamping part, the upper ends of the split slots are communicated and matched with one another in a group, and the clamping part is positioned between the two split slots of each group; the diameter of the clamping part is larger than the inner diameter of the corresponding shaft section on the first rotating sleeve, the inner wall surface of the first rotating sleeve is provided with a bulge which is matched with the slot splitting seam for guiding and inserting from bottom to top, and the inner wall surface of the first rotating sleeve is provided with a clamping groove which is matched with the clamping part for clamping the clamping part between the two bulges of each group.

7. A grinding cap according to any of claims 1 to 6, characterized in that: the fixed sleeve comprises a first fixed sleeve and a second fixed sleeve, the inner diameter of the lower section of the second fixed sleeve is larger than the outer diameter of the grinding sleeve so that the grinding sleeve can be arranged in the second fixed sleeve from the lower end, and the upper end of the second fixed sleeve is provided with a blocking edge for blocking the upper end surface of the grinding sleeve; the inner diameter of the upper end of the first fixing sleeve is larger than the outer diameter of the second fixing sleeve so that the second fixing sleeve can be inserted into the first fixing sleeve from the upper part, the middle part of the first fixing sleeve is provided with a step-shaped stopping edge, and the stopping edge comprises a grinding sleeve stopping edge which is close to the inside and used for stopping and matching with the lower end face of the grinding sleeve, and a second fixing sleeve stopping edge which is close to the outside and used for stopping and matching with the lower end face of the second fixing sleeve; rotation stopping structures are arranged between the first fixing sleeve and the second fixing sleeve and between the second fixing sleeve and the grinding sleeve.

8. A grinding cap according to claim 7, characterized in that: the rotation stopping structure between the first fixing sleeve and the second fixing sleeve comprises a clamping block arranged at the upper end of the first fixing sleeve, and the clamping block can move outwards when being subjected to external force so as to be used for the second fixing sleeve to be installed and can reset after the external force is removed so as to tightly press the second fixing sleeve.

9. A grinding cap according to claim 7, characterized in that: the rotation stopping structure between the second fixing sleeve and the grinding sleeve comprises a groove formed in the inner wall surface of the second fixing sleeve and a protruding portion formed in the outer wall surface of the grinding sleeve, wherein the groove and the protruding portion extend in the vertical direction and are matched in size.