CN217137106U

CN217137106U - Middle bundle core

Info

Publication number: CN217137106U
Application number: CN202122984342.XU
Authority: CN
Inventors: 黄君杰; 房永庆; 朱卫锋
Original assignee: Zhejiang Axilone Shunhua Aluminium and Plastic Co Ltd
Current assignee: Zhejiang Axilone Shunhua Aluminium and Plastic Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-08-09
Anticipated expiration: 2031-11-26

Abstract

The application discloses well bundle core, spiral, well festival and pearl established including coaxial cover, spiral and well festival are the tubular structure, wherein the inner wall of spiral is provided with the internal thread, well festival rotates the cover with the spiral and establishes, and both axial spacing, the pearl is including the barrel and the connection that are used for holding the product the connecting rod of barrel, the connecting rod passes well festival and stretches into in the spiral, with spiral normal running fit. The inner peripheral surface of the cylinder is provided with at least one group of grooves and bulges, and the grooves and the bulges in the same group are positioned on the same straight line along the axial direction of the cylinder and are positioned at different heights. The utility model provides a well bundle core is provided with recess and arch at the pearl barrel inner peripheral surface, has strengthened the grip of pearl to the lotion, makes the lotion difficult break away from in the pearl.

Description

Middle bundle core

Technical Field

The application relates to the technical field of cosmetics, in particular to a middle bundle core capable of improving the holding power of a paste body.

Background

Lipstick or lip balm is a common cosmetic for women, is generally pasty and is placed in a packaging tube. The packaging tube mainly comprises an upper cover, a bottom shell and a middle bundle core, wherein the middle bundle core mostly comprises beads, a middle section and a spiral which are coaxially sleeved, the beads are containers for containing paste, and the middle section and the spiral are matched for driving the beads to move so as to push out or hide the paste in the packaging tube. When inverted or shaken, the paste easily breaks away from the beads.

SUMMERY OF THE UTILITY MODEL

The application provides a well bundle core, and is better to the power of grabbing of lotion.

Well bundle core, including spiral, well festival and the pearl that coaxial cover was established, spiral and well festival are the tubular structure, wherein the inner wall of spiral is provided with the internal thread, well festival rotates the cover with the spiral and establishes, and both axial spacing, the pearl is including the barrel and the connection that are used for holding the product the connecting rod of barrel, the connecting rod passes well festival and stretches into in the spiral, with spiral normal running fit. The inner peripheral surface of the cylinder is provided with at least one group of grooves and bulges, and the grooves and the bulges in the same group are positioned on the same straight line along the axial direction of the cylinder and are positioned at different heights.

Optionally, the groove is close to the bottom surface of the cylinder, and the protrusion is far away from the bottom surface of the cylinder;

the groove is provided with a top wall and a bottom wall which are opposite to each other along the axial direction of the cylinder, the protrusion is provided with a top surface and a bottom surface which are opposite to each other, and the top wall of the groove is mutually jointed with the bottom surface of the protrusion.

Optionally, the groove has opposite top and bottom walls in the axial direction of the barrel, the bottom wall extending to meet the bottom surface of the barrel.

Optionally, the groove radially penetrates through the side wall of the cylinder.

Optionally, along the circumferential direction of the cylinder, the grooves and the protrusions are 2-4 groups, and the protrusions of two adjacent groups are at different heights;

the inner circumferential surface of the cylinder is provided with a plurality of ribs, the ribs are arranged along the circumferential direction of the cylinder, and each rib extends along the axial direction of the cylinder; the ribs, the grooves and the bulges are alternately arranged along the circumferential direction of the cylinder body.

Optionally, the outer wall of the spiral is provided with an elastic sheet abutting against the inner wall of the middle section, the elastic sheet is provided with a plurality of sections at intervals along the circumferential direction, and each section of elastic sheet is gradually thinned at two sides of the elastic sheet in the circumferential direction.

Optionally, the connecting rod and the spiral are rotationally matched in a thread line matching manner, and the number of the thread lines is more than two.

Optionally, a middle bundle is fixedly sleeved outside the middle section, and the beads are in sliding fit inside the middle bundle;

the outer wall of the cylinder body is provided with a spherical crown-shaped limiting bulge, and the limiting bulge is abutted and matched with the inner wall of the middle beam.

Optionally, the top end of the middle section is provided with a through hole for limiting the connecting rod to rotate relative to the middle section, the connecting rod is respectively provided with guide strips at two radial sides of the connecting rod, and the inner edge of the end surface of the top end is further provided with guide grooves matched with the guide strips.

Optionally, a filling hole communicated with the cylinder is arranged at the center of the connecting rod.

Compared with the prior art, the method has the following advantages: the inner peripheral surface of the bead cylinder body is provided with the groove and the bulge, so that the holding power of the bead to the paste body is enhanced, and the paste body is not easy to separate from the bead.

Drawings

FIG. 1 is a perspective view of a core of a harness in an embodiment of the present application;

FIG. 2 is an exploded view of a core of a central core in an embodiment of the present application;

FIG. 3 is a partial perspective view of a core of a harness in an embodiment of the present application;

FIG. 4 is a schematic view of a bead in one embodiment of the present application;

FIG. 5 is a top view of a bead in an embodiment of the present application;

FIG. 6 is a schematic illustration of a middle section of an embodiment of the present application;

FIG. 7 is a schematic view of a spiral according to an embodiment of the present application;

the reference numerals in the figures are illustrated as follows:

1. beads; 11. a barrel; 111. a groove; 112. a protrusion; 113. a top wall; 114. a bottom wall; 115. a top surface; 116. a bottom surface; 117. a rib; 118. a limiting bulge; 12. a connecting rod; 121. an external thread; 122. a guide bar; 123. a platform; 124. a clamping block; 125. a transition bevel; 13. a through hole;

2. spiraling; 21. an internal thread; 22. a spring plate;

3. a middle section; 31 a top end port; 32. a guide groove;

4. and (4) medium beam.

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 a part of the embodiments of the present application, and not all of the 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 and 2, in an embodiment of the present application, a middle bundle core is provided, which includes coaxially sleeved beads 1, a spiral 2, a middle section 3 and a middle bundle 4. The bead 1 can contain paste, the spiral 2, the middle section 3 and the middle bundle 4 are all tubular structures, and the spiral 2 and the middle section 3 are matched to drive the bead 1 to move so as to push out or hide the paste in the middle bundle 4.

As shown in fig. 3 to 5, the bead 1 includes a cylinder 11 for accommodating a product and a connecting rod 12 connected to the cylinder 11, at least one set of a groove 111 and a protrusion 112 is provided on an inner circumferential surface of the cylinder 11, and the groove 111 and the protrusion 112 are on the same line along an axial direction of the cylinder 11 and at different heights. The connecting rod 12 has a pouring hole at its center communicating with the cylinder 11, and the product can be poured into the cylinder 11 from the bottom of the bead.

The contact surfaces of the grooves 111 and the protrusions 112 and the paste body are clamping surfaces, and the paste body can be clamped by the clamping surfaces when the paste body is inverted or shaken, so that the paste body is prevented from sliding out of the beads 1. The clamping and abutting surfaces of the grooves 111 extend outwards along the radial direction of the barrel body 11, the clamping and abutting surfaces of the protrusions 112 extend inwards along the radial direction of the barrel body 11, when the grooves 111 and the protrusions 112 are located on the same straight line along the axial direction of the barrel body 11 and are located at different heights, the two clamping and abutting surfaces extending inside and outside the grooves 111 and the protrusions 112 act in a synergistic mode, and the clamping and grabbing effects on the paste body are stronger.

In one embodiment, the groove 111 is close to the bottom surface of the barrel 11, the protrusion 112 is far from the bottom surface of the barrel 11, the groove 111 has opposite top and

bottom walls

113 and 114 along the axial direction of the barrel 11, the protrusion 112 has opposite top and

bottom surfaces

115 and 116, and the top wall 113 of the groove 111 is engaged with the bottom surface 116 of the protrusion 112. At the moment, the two abutting surfaces extending inwards and outwards are coplanar, and the area of the abutting surface formed by the coplanarity is the superposition of the areas of the two abutting surfaces, so that the clamping and grabbing force of the paste body is enhanced.

In one embodiment, a set of grooves 111 and protrusions 112 are provided. In another embodiment, four sets of protrusions 112 are uniformly arranged on the inner circumferential surface of the barrel 11 along the circumferential direction, the protrusions are arranged in pairs, the protrusions are arranged at different heights on the barrel 11, the protrusions 12 are staggered at different heights, and the size of the paste in the radial direction cannot be reduced sharply.

The inner circumferential surface of the barrel 11 is further provided with a plurality of ribs 117 along the axial direction, the ribs 117 are arranged along the circumferential direction of the barrel 11, each rib 117 extends along the axial direction of the barrel 11, and the ribs 117 and the grooves 111 and the protrusions 112 are alternately arranged along the circumferential direction of the barrel 11.

The outer wall of barrel 11 is equipped with the spacing arch 118 of spherical crown shape, and the outside fixed cover of well festival 2 is equipped with well bundle 4, and pearl 1 sliding fit is in the inside of well bundle 4, and spacing arch 118 offsets the cooperation with the inner wall of well bundle 4, reduces the radial of pearl 1 and rocks.

In order to realize the backflow, in one embodiment, a through hole 13 is formed in the bottom of the cylinder 11, the bottom of the cylinder 11 is axially connected with one end of the connecting rod 12, and the through hole 13 penetrates through the connecting rod 12 from the bottom of the cylinder 11. During filling, the paste can be injected into the cylinder 11 from the connecting rod 12 through the through hole 13.

As shown in fig. 7, the other end of the connecting rod 12 extends into the spiral 2, and the rotating fit between the connecting rod 12 and the spiral 2 adopts a thread fit. The end of the connecting rod 12 extending into the spiral 2 is provided with an external thread 121, the external thread has a plurality of (more than two), and the inner wall of the spiral 2 matched with the external thread is provided with an internal thread 21. The number of the threads is larger than two, so that axial movement during rotation can be reduced.

The periphery of the spiral 2 is rotatably sleeved with a middle section 3 of a tubular structure, and the middle section are axially limited. The structure that both axially limit and can relatively rotate is the prior art, for example, a limit slot and a limit convex ring are arranged on the spiral 2 and the middle section 3.

The outer wall of spiral 2 is equipped with the shell fragment 22 that leans on 2 inner walls of well festival, and shell fragment 22 is provided with the multistage along circumference interval, and every section shell fragment 22 self is at ascending both sides taper down of circumference. When the user uses, shell fragment 22 supports tightly the inner wall of well festival 2, provides the torsion that need overcome when rotating spiral 2, improves and feels. The elastic sheet 22 becomes thinner gradually at two sides in the circumferential direction, so that the elastic sheet provides more stable and durable torsion when being stressed.

The spiral 2 and the middle section 3 are provided with two opposite ends, one end close to the cylinder body 11 is a top end, and the top end of the middle section 3 is higher than the top end of the spiral 2.

As shown in fig. 6, the top end surface 31 of the middle joint 3 has a non-circular through hole for limiting the rotation of the connecting rod 12 relative to the middle joint 2, the connecting rod 12 has guide strips 122 on both sides in the radial direction, and the inner edge of the top end surface 31 is further provided with guide grooves 32 matched with the guide strips 122.

In order to prevent the guide strip 122 on the connecting rod 12 from interfering with the external thread 121, a thinned platform 123 is provided on the connecting rod 12, and the guide strip 122 is provided on the platform 123, so that the height of the guide strip 122 in the radial direction is reduced. Two sets of platforms 123, guide bars 122 and guide slots 32 are provided to balance the distributed forces.

In order to prevent the bead 1 from falling off the internal thread 21 caused by the over-rotation of the screw 2 by the user, a latch 124 is arranged on the outer wall of the connecting rod 12, and when the bead 1 moves to the limit position, the latch 124 is blocked by the top end surface 31 of the middle section 3 to stop moving. In order to facilitate the installation of the bead 1 in the middle section 3, the bottom end of the latch 124 is provided with a transition slope 125.

The middle bundle core also comprises a middle bundle 4 with a tubular structure, the middle bundle 4 is sleeved on the periphery of the middle section 3, and the middle section 3 is fixedly connected with the middle bundle 4. When the paste is used, the middle beam 4 is kept fixed, and the screw 2 is rotated, so that the beads 1 can be driven to move up and down along the shaft, and the paste is pushed out or hidden in the middle beam 4.

During assembly, the middle section 3 is sleeved on the periphery of the spiral 2, the connecting rod 12 penetrates through the top end part of the middle section 3 and is inserted into the spiral 2, and finally the middle beam 4 is sleeved on the periphery of the middle section 3. The middle bundle 4 and the middle section 3 can be fixed by the prior art, such as dotting by a dotting device.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification 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 embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting 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

1. The middle bundle core comprises a spiral, a middle section and a bead which are coaxially sleeved, the spiral and the middle section are of tubular structures, internal threads are arranged on the inner wall of the spiral, the middle section and the spiral are rotatably sleeved and axially limited, the bead comprises a cylinder body for containing a product and a connecting rod connected with the cylinder body, and the connecting rod penetrates through the middle section, extends into the spiral and is in rotating fit with the spiral; it is characterized in that the preparation method is characterized in that,

the inner peripheral surface of the cylinder is provided with at least one group of grooves and bulges, and the grooves and the bulges in the same group are positioned on the same straight line along the axial direction of the cylinder and are positioned at different heights.

2. The core bundle of claim 1, wherein the groove is proximate to the bottom surface of the barrel and the protrusion is distal to the bottom surface of the barrel;

3. The core bundle of claim 1, wherein the recess has opposite top and bottom walls in the axial direction of the barrel, the bottom wall extending to meet the bottom surface of the barrel.

4. The core bundle of claim 1, wherein the groove extends radially through the sidewall of the barrel.

5. The middle bundle core according to claim 1, wherein the grooves and the protrusions are in 2-4 groups along the circumferential direction of the cylinder body, and the protrusions of two adjacent groups are at different heights;

6. The core of claim 1, wherein the outer wall of the spiral is provided with a plurality of segments of elastic pieces abutting against the inner wall of the middle segment, and each segment of elastic piece is gradually thinned at two sides in the circumferential direction.

7. The core of claim 1, wherein the connecting rod and the spiral are rotatably engaged by a plurality of threads, and the number of the threads is greater than two.

8. The core of claim 1, wherein the outer fixed sleeve of the middle segment is provided with a middle bundle, and the beads are in sliding fit in the inner part of the middle bundle;

9. The core assembly of claim 1, wherein the top end of the middle segment has a through hole for limiting the rotation of the connecting rod relative to the middle segment, the connecting rod has guide bars on two radial sides of the connecting rod, and the inner edge of the end surface of the top end is further provided with guide grooves matched with the guide bars.

10. The core bundle of claim 1, wherein the connecting rod is centrally provided with an infusion hole communicating with the barrel.