CN217524192U - Middle bundle core - Google Patents

Abstract

The application discloses well bundle core, including spiral, fork and pearl, the inner wall of spiral has the helicla flute, be provided with the guide way that sets up along the axial on the lateral wall of fork, the outer wall of pearl has the arch that passes guide way and helicla flute matched with, when the relative fork of spiral rotates, the drive the pearl reciprocates along the axial, the pearl includes the barrel and sets up the backup pad that is used for bearing the lotion of barrel endwise slip relatively in the barrel, the bottom of fork is the opening setting. This application is through setting the pearl to barrel and backup pad two parts, when the red cream body of mouth used the pearl oral area, can upwards promote the backup pad for the barrel through the opening of fork bottom in order to continue to use the inside cream of pearl, has both reduced the waste of resource, is convenient for again retrieve.

Description

Middle bundle core

Technical Field

The application relates to the field of cosmetics, in particular to a middle bundle core.

Background

Lipstick is an essential cosmetic for every woman, and even women who do not make up can beautify the image of the woman with lipstick. Lipstick generally comprises a paste body and a telescopic lipstick packing tube for containing the paste body. The lipstick packing tube generally comprises a top cover, a base and a central core, wherein the base is fixedly connected with the central core, and the top cover and the base are matched to form a cavity surrounding the central core. The core of the middle bundle comprises the middle bundle, a spiral, a fork and a bead, of course, the middle bundle and the spiral can also be integrated, and the bead is a container for containing paste.

In the traditional middle-bundling core, the beads are integrated, the lipstick paste body cannot be used continuously after being applied to the opening of the beads, the residual paste body in the beads is discarded, and the middle-bundling core with the discarded paste body can cause the problems of environmental pollution and resource waste.

SUMMERY OF THE UTILITY MODEL

The application provides a well bundle core has solved traditional well bundle core and can cause environmental pollution and the extravagant problem of resource.

The middle bundle core comprises a spiral, a fork and beads, wherein the inner wall of the spiral is provided with a spiral groove, the side wall of the fork is provided with a guide groove which is arranged along the axial direction, the outer wall of the beads is provided with a bulge which penetrates through the guide groove and is matched with the spiral groove, when the spiral rotates relative to the fork, the beads are driven to move up and down along the axial direction, the beads comprise a cylinder body and a supporting plate which is arranged in the cylinder body and can slide relative to the cylinder body in the axial direction and is used for bearing paste, and the bottom of the fork is arranged in an opening mode.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative may be combined individually for the above general solution or between several alternatives without technical or logical contradictions.

Optionally, the cylinder has a top and a bottom opposite to each other, a radial protrusion is disposed at the bottom of the inner wall of the cylinder, the radial protrusion includes a first protrusion and a second protrusion for limiting the support plate to move axially, and the first protrusion and the second protrusion are located on the upper side and the lower side of the support plate.

Optionally, the first protrusion is of an annular structure, the inner wall of the barrel is provided with a first protruding rib and a second protruding rib which start from the first protrusion, and the edge of the supporting plate is in clearance fit with the first protruding rib and in interference fit with the second protruding rib.

Optionally, the inner wall of the cylinder body is provided with a plurality of first ribs extending along the axial direction, and correspondingly, the edges of the supporting plates are provided with notches in clearance fit with the first ribs.

Optionally, the height of the top end of the first rib is gradually reduced.

Optionally, the inner wall of the cylinder body is provided with a plurality of second convex ribs extending along the axial direction, and the second convex ribs are in interference fit with the edges of the supporting plates.

Optionally, the support plate is provided with a first through hole, so that the part of the edge of the support plate, which is close to the second rib, has elasticity.

Optionally, the first through hole is a fan ring structure with the center of the support plate as a circle center.

Optionally, a second through hole for air supply and exhaust is arranged on the support plate.

Optionally, the second through hole is located in the center of the support plate and has a fan-shaped structure.

This application is through setting the pearl to barrel and backup pad two parts, when the red lotion body of mouth used the pearl oral area, can upwards promote the backup pad for the barrel through the opening of fork bottom in order to continue to use the inside lotion of pearl, has both reduced the waste of resource, is convenient for again retrieve.

Drawings

FIG. 1 is a schematic structural view of a bundle core in the present application;

FIG. 2 is a schematic structural view of the bead of FIG. 1;

FIG. 3 is a schematic view of the structure of the support plate of the bead of the present application during movement;

FIG. 4 is a schematic cross-sectional view of the bead of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the cartridge of FIG. 4;

FIG. 6 is a schematic cross-sectional view of another embodiment of the bead of FIG. 1;

FIG. 7 is a schematic cross-sectional view of another embodiment of the cartridge of FIG. 6;

FIG. 8 is a schematic structural view of the support plate of FIG. 1;

fig. 9 is a schematic structural view of another embodiment of the support plate in fig. 1.

The reference numerals in the figures are illustrated as follows:

100. a core of the middle bundle;

10. spiraling;

20. a fork; 21. an opening;

30. beads; 31. a barrel; 32. a radial projection; 321. a first protrusion; 322. a second protrusion; 33. a first rib; 34. a second convex rib; 35. a support plate; 36. a notch; 37. a first through hole; 38. a second via.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the axial direction is the axial direction of the core 100, a is the top, and B is the bottom, unless otherwise specified.

As shown in fig. 1 to 9, an embodiment of the present application provides a middle bundle core 100, which includes a spiral 10, a fork 20 and a bead 30, all of which are cylindrical structures and coaxially sleeved together, wherein the spiral 10 is sleeved outside the fork 20, and the inner wall is provided with a spiral groove; the side wall of the fork 20 is provided with a guide groove extending along the axial direction; the bead 30 is used to carry cosmetics and is located inside the fork 20, and has a protrusion on the outer wall that passes through the guide groove and engages with the spiral groove. As the helix 10 rotates relative to the fork 20, the beads 30 may be driven up and down axially to extend or retract the cosmetic product from the core 100. For technical reasons, the bottom of the bead 30 is generally configured as an opening 21, so that the cosmetic can be filled from two ends when being filled, thereby facilitating the actual processing. The cosmetic is generally lipstick, etc.

Compared with the prior art, the bead 30 is provided to be composed of the cylinder 31 and the support plate 35 for bearing the paste, which is arranged in the cylinder 31 and can slide axially relative to the cylinder 31, and the bottom of the fork 20 is provided to be of an opening 21 structure. After the paste is applied to the opening of the bead 30, the supporting plate 35 is pushed upwards relative to the cylinder 31 through the opening 21 at the bottom of the fork 20 to continue using the paste inside the bead 30, and the waste of resources is reduced. Even if the paste is not completely used, the paste can be directly recycled by taking out the paste from the middle bundle core 100 through the supporting plate 35, so that the environment is protected.

Considering the factor of easy recovery, the materials of the spiral 10, the fork 20 and the bead 30 are the same and can be selected according to the actual situation, and the material adopted in the present application is PET.

The specific fit between the prongs 20 and the beads 30 can be made by any known technique. The guide groove is axially opened on the side wall of the fork 20, and the protrusion passes through the guide groove, so that the guide groove restricts the rotation of the beads 30, and the beads 30 can only slide axially along the guide groove. The spiral grooves cooperate with the guide grooves to drive the beads 30 to slide axially as the spiral 10 rotates relative to the fork 20.

The spiral groove may be one or a plurality of parallel grooves. Preferably, the spiral groove is at least twice, and the interval is evenly arranged, and then the position arrangement of guide way and protruding relative spiral groove for pearl 30 is the multi-angle drive simultaneously and slides, and the motion stability is high.

In some embodiments, the guide grooves have turning positioning regions at both ends, and when the beads 30 slide to the extreme position, the guide grooves are respectively located in the positioning regions at the corresponding ends. The positioning region is provided on the outer wall of the fork 20 and at the upper and lower ends of the guide groove, and extends in the circumferential direction of the fork 20, so that the beads 30 can be stopped at the highest or lowest position.

In one embodiment, as shown in fig. 6 to 7, in order to prevent the paste in the beads 30 from moving up and down during transportation, the barrel 31 has opposite top and bottom portions, the bottom portion of the inner wall of the barrel 31 is provided with a radial protrusion 32, the radial protrusion 32 includes a first protrusion 321 and a second protrusion 322 for limiting the axial movement of the support plate 35, and the first protrusion 321 and the second protrusion 322 are located at the upper and lower sides of the support plate 35. Wherein the second protrusion 322 is located at an upper side of the supporting plate 35, and the first protrusion 321 is located at a lower side of the supporting plate 35. In order to smoothly place the supporting plate 35 into the bottom of the cylinder 31, the top of the second protrusion 322 is provided with a guide slope, and considering that the supporting plate 35 can smoothly slide through the second protrusion 322 under the action of external force, the bottom ends of the supporting plate 35 and the second protrusion 322 are provided with chamfers.

The first protrusion 321 is an annular structure, the inner wall of the cylinder 31 is provided with a first rib 33 and a second rib 34 which start from the first protrusion 321, and the edge of the support plate 35 is in clearance fit with the first rib 33 and in interference fit with the second rib 34. Wherein, first protruding muscle 33 not only can fix the lotion, increases pearl 30 grab the cream ability, still has direction backup pad 35 along first protruding muscle 33 axial displacement, and the spacing effect of circumference, second protruding muscle 34 owing to with backup pad 35 interference fit, when not having external force to promote, has great frictional resistance, makes backup pad 35 stop in the intermediate position, makes things convenient for the consumer to continue to use the lotion, just relative barrel 31 axial slip of backup pad 35 when using great external force to promote.

In one embodiment, the inner wall of the cylinder 31 is provided with a plurality of first ribs 33 extending along the axial direction, the edge of the corresponding support plate 35 is provided with notches 36 which are in clearance fit with the first ribs 33, and in order to enable the support plate 35 to be stressed uniformly in the moving process, the first ribs 33 are uniformly arranged.

In one embodiment, in order to facilitate the smooth assembly or separation of the cylinder 31 and the support plate 35, the height of the top end of the first rib 33 is gradually reduced.

In an embodiment, the inner wall of the cylinder 31 is provided with a plurality of second ribs 34 extending along the axial direction, the second ribs 34 are in interference fit with the edge of the supporting plate 35, and the second ribs 34 are uniformly distributed in consideration of uniform stress of the supporting plate 35 in the moving process.

As shown in fig. 9, the supporting plate 35 is provided with a first through hole 37, so that the edge of the supporting plate 35 abutting against the second rib 34 has elasticity, wherein the first through hole 37 is a fan-ring structure with the center of the supporting plate 35 as the center. The specific shape of the first through hole 37 can be selected according to the actual situation, such as rectangle, diamond, etc., and in this embodiment, the first through hole 37 is preferably a fan-ring structure in view of making the elasticity of the edge of the supporting plate as uniform as possible because the bead 30 is a cylindrical structure.

As shown in fig. 8 to 9, for filling, the supporting plate 35 is provided with a second through hole 38 for exhausting air, and the second through hole 38 is located at the center of the supporting plate 35 and has a fan-shaped structure. The specific shape of the second through hole 38 is not specified, and can be selected according to the process requirements.

When the barrel 31 and the support plate 35 are specifically assembled, the notch 36 of the support plate 35 is aligned with the first rib 33 at the top of the barrel 31 and pressed into the barrel 31 until the support plate 35 abuts against the first protrusion 321, that is, the bead 30 is completely installed.

All possible combinations of the technical features of the embodiments described above may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. The middle bundle core comprises a spiral, a fork and beads, wherein the inner wall of the spiral is provided with a spiral groove, the side wall of the fork is provided with a guide groove which is arranged along the axial direction, the outer wall of the beads is provided with a bulge which penetrates through the guide groove and is matched with the spiral groove, when the spiral rotates relative to the fork, the beads are driven to move up and down along the axial direction, the middle bundle core is characterized in that the beads comprise a cylinder body and a supporting plate which is arranged in the cylinder body and can slide axially relative to the cylinder body and is used for bearing paste, and the bottom of the fork is provided with an opening.

2. The core bundle of claim 1, wherein the cylinder has opposite top and bottom portions, and the bottom portion of the inner wall of the cylinder is provided with radial protrusions including first and second protrusions limiting the support plate to move in the axial direction, the first and second protrusions being located at upper and lower sides of the support plate.

3. The core of claim 2, wherein the first protrusion is a ring-shaped structure, the inner wall of the barrel is provided with a first rib and a second rib starting from the first protrusion, and the edge of the support plate is in clearance fit with the first rib and in interference fit with the second rib.

4. The core bundle of claim 1, wherein the inner wall of the cylinder is provided with a plurality of first ribs extending along the axial direction, and the edges of the corresponding support plates are provided with notches in clearance fit with the first ribs.

5. The core of claim 4, wherein the first ribs have tip heights that gradually decrease.

6. The core bundle of claim 1, wherein the inner wall of the cylinder is provided with a plurality of second ribs extending along the axial direction, and the second ribs are in interference fit with the edges of the support plates.

7. The core bundle of claim 6, wherein the support plate is provided with a first through hole so that a portion of the edge of the support plate abutting against the second bead is elastic.

8. The core assembly of claim 7, wherein the first through hole is a fan-ring structure with a center of the support plate as a center.

9. The core bundle of claim 1, wherein the support plate is provided with a second through hole for air exhaust.

10. The core assembly of claim 9, wherein the second through hole is centrally located in the support plate and has a fan-shaped configuration.

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