CN217390175U

CN217390175U - Packing tube

Info

Publication number: CN217390175U
Application number: CN202120963572.5U
Authority: CN
Inventors: 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: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-09-09
Anticipated expiration: 2031-05-07

Abstract

The utility model provides a packing tube, which comprises an end cover and a middle bundle core with a rotation axis, wherein the middle bundle core is provided with a first end part and a second end part along the direction of the rotation axis, and comprises a paste containing element for containing contents, a driving element rotationally driving the paste containing element to move along the rotation axis, a guiding element limiting the paste containing element to rotate around the rotation axis and a decorative element, and the decorative element is a tubular structure with two open ends; the end cap has a first use condition in which the end cap is combined with the first end portion of the core to close the end opening of the decorative element; in a second use position, the end cap engages the second end of the core and, in combination with the drive element or guide element, can be rotated relative to the decorative element to operate the paste containing element and can act as a cover to protect the contents therein. Compared with the prior art, the utility model reduce structural element, reduced manufacturing cost.

Description

Packing tube

Technical Field

The utility model relates to a cosmetics packaging technical field especially relates to a packing tube for cosmetics.

Background

The lip beautifying products can make the lips ruddy and glossy, moisten and protect the lips, and have the functions of enhancing the aesthetic feeling of the face and correcting the lip contour, so the lip beautifying products become indispensable cosmetics in daily life of people gradually. The lipstick tube generally comprises a top cover, a center wick and a base, wherein the center wick comprises a bead, a prong, a helix and a center wick containing a cosmetic cream. When the cosmetic paste is used, the top cover is usually pulled out or screwed off, and then the base is rotated to drive the fork and the screw to rotate relatively, so that the rotor moves along the axial direction of the fork, and the cosmetic paste is sent out. When the paste is used up, the whole lipstick tube is usually abandoned, and waste exists.

SUMMERY OF THE UTILITY MODEL

To prior art problem, the utility model provides an interchangeable cosmetic packaging tube of well bundle core to its end cover with can cooperate with the both ends of well bundle core, double as top cap and base, be favorable to reducing manufacturing cost.

The utility model discloses in, the packing tube includes:

the middle bundle core is provided with a rotating axis, a first end and a second end along the direction of the rotating axis, and comprises a paste containing element for containing contents, a driving element for rotationally driving the paste containing element to move along the rotating axis, a guide element for limiting the paste containing element to rotate around the rotating axis and a decorative element, wherein the decorative element is a tubular structure with two open ends;

an end cap having a first use condition in which the end cap is combined with the first end portion of the core to close the end opening of the decorative element and a second use condition; in a second use condition, the end cap engages the second end of the core and, in combination with the driving or guiding element, is rotatable relative to the decorative element to operate the paste containing element.

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 being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the end cap is provided with a first coupling portion inside, and the corresponding driving element or guiding element has a second coupling portion adjacent to the second end portion.

Optionally, the end cap includes a cylinder wall and an end wall, and the first combining portion protrudes from the end wall.

Optionally, a circumferential limiting structure for limiting relative rotation of the first combining portion and the second combining portion and an axial limiting structure for limiting axial separation of the first combining portion and the second combining portion are arranged between the first combining portion and the second combining portion.

Optionally, the first combining portion and the second combining portion are annular structures nested with each other, and the circumferential limiting structure includes a notch extending in the axial direction in one of the combining portions and a blocking piece extending into the notch in the other combining portion; the axial limiting structure comprises a protrusion arranged on one combination part and a groove arranged on the other combination part and matched with the protrusion.

Optionally, the first combining part is located inside the second combining part.

Optionally, the first combining portion is provided with a plurality of notches, adjacent notches form elastic pieces, and the second combining portion is provided with a plurality of blocking pieces extending along the radial direction.

Optionally, in the first use state, the first combining part extends into the inner cavity of the middle bundling core to be used as an inner plug for closing the first end opening.

Optionally, the decorative element is fixedly connected with the driving element, the guiding element comprises a guiding element body and a second combining part, and the second combining part is detachably connected with the guiding element.

Optionally, the guide element and the driving element are of a tubular structure, wherein the inner wall of the driving element is provided with a spiral driving groove, the side wall of the guide element is provided with a guide groove arranged along the axial direction, the paste containing element comprises a paste containing barrel located inside the guide element and a convex column arranged outside the paste containing barrel, the convex column penetrates through the guide groove and extends into the driving groove, and the decorative element completely or substantially accommodates the paste containing element, the driving element and the guide element in the inner cavity of the decorative element.

Compared with the prior art, the utility model discloses well end cover can mutually support with the bottom or the top of zhong liang core respectively to make the zhong liang core get into or remove user state, it is removable to guarantee the zhong liang core, and the end cover can be used for sealing the opening of zhong liang core, protects inside cosmetics, has reduced the accessory, the cost is reduced.

Drawings

FIG. 1 is a schematic view of the construction of a packing tube in a first state of use;

FIG. 2 is a schematic view of the construction of the packing tube in a second state of use;

FIG. 3 is an exploded view of the structure of FIG. 2;

FIG. 4 is a schematic sectional view of the structure of the packing tube in a first use state;

FIG. 5 is a schematic sectional view of the structure of the packing tube in a second state of use;

fig. 6 is an enlarged view of a portion a of fig. 5.

The reference numbers in the figures are as follows:

10. a core of the middle bundle; 11. a rotational axis; 12. a first end portion; 13. a second end portion; 14. a decorative element; 15. a drive element; 151. a drive slot; 16. a paste containing element; 161. a paste containing cylinder; 162. a convex column; 17. a guide member; 171. a guide member body; 1711. a guide groove; 18. a second joint part;

20. an end cap; 21. a first coupling portion; 22. a cylinder wall; 23. an end wall;

30. a circumferential confinement structure; 31. cutting; 32. a baffle plate;

40. an axial restraining structure; 41. a protrusion; 42. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The traditional packaging tube mainly comprises a top cover, a middle bundle core and a base, wherein the middle bundle core generally comprises beads, forks, spirals and a middle bundle. When the cosmetic cream is used, the top cover needs to be pulled out or unscrewed, the middle bundle is fixed at one end, the fork and the screw are driven to rotate relatively by rotating the base at the other end, the beads move along the axial direction of the fork, and therefore the cosmetic cream is sent out. When the paste is used up, the whole packaging tube is invalid and discarded, which causes resource waste.

In order to solve the above technical problem, an embodiment of the present invention provides a packing tube including a core 10 with a rotation axis 11 and end caps 20, wherein the core 10 has a first end 12 and a second end 13 along the rotation axis 11, see fig. 1-2; and it comprises a paste containing element 16, a drive element 15, a guide element 17 and a decorative element 14.

See FIGS. 3-5; wherein the cream-containing member 16 has a cylindrical structure, is located at the innermost layer of the core, and can be used for containing contents, i.e., cosmetics, such as lipstick, lip balm, etc. The driving element 15, the guiding element 14 and the decorative element are tubular structures and are sleeved outside the paste containing element 16. Wherein the drive element 15 can rotationally drive the paste containing element 16 to move along the rotation axis 11, and the guide element 17 can limit the paste containing element 16 to rotate along with the drive element 15 around the rotation axis 11.

The decoration element 14 is a tubular structure with two open ends, and completely or basically contains the paste containing element 16, the driving element 15 and the guiding element 17 in the inner cavity thereof, so that the middle bundling core 10 cannot be used independently, the characteristic is favorable for protecting the paste inside, and the paste is prevented from being accidentally screwed out due to misoperation.

In order to meet the daily use requirement, the utility model is provided with the end cover 20 which can be matched with the middle bundle core 10, the end cover 20 has a first use state and a second use state, in the first use state, the end cover 20 is combined with the first end part 12 of the middle bundle core 10 to close the end opening of the decorative element 14, see fig. 1; in a second use condition, the end cap 20, coupled to the second end 13 of the core 10 and to the driving element 15 or the guide element 17, can be rotated with respect to the decorative element 14 to operate the paste containing element 16, see fig. 2.

In a first use state, the end cap 20 has the same or similar function as the top cap and is used for protecting the paste; in the second use state, the end cap 20 functions as the base or similar to the base, i.e. holding the decorative element 14, the end cap 20 is rotated to rotate the driving element 15 or the guiding element 17, so as to drive the paste containing element 16 to move along the rotation axis 11 and send out the paste.

In different use states, the end caps 20 are respectively matched with the two end parts of the middle bundle core 10 so that the middle bundle core 10 can enter or release the working state, and therefore, the end caps 20 and the two end parts of the middle bundle core 10 are required to have mutually matched parts or structures.

In an embodiment, the end cap 20 is internally provided with a first coupling portion 21 and the corresponding guide element 17 has a second coupling portion 18 adjacent to the second end 13. In a first condition of use, the first joining portion 21 can be engaged with the first end portion 12, so as to close the end opening of the decorative element 14; in the second usage state, the first engaging portion 21 of the end cap 20 is engaged with the second engaging portion 18 to connect the end cap 20 with the core 10, and the end cap 20 can rotate relative to the decoration element 14 to drive the paste containing element 16 to move in the axial direction, as shown in fig. 4 to 5.

For some configurations of the packing tube, the decorative element is fixedly connected to the guide element, the paste-containing element has a driving rod extending into the interior of the drive element, the guide element can restrict the rotation of the driving rod, and the drive element is provided with a second engaging portion.

The first coupling portion 21 can be coupled to the first end portion 12 in a variety of ways, such as a threaded or snap fit, and different coupling manners can produce different user experiences. In one embodiment, the end cap 20 includes a cylindrical wall 22 and an end wall 23, and the first engaging portion 21 protrudes from the end wall 23, see fig. 3-4. The first engaging portion 21 can engage with the end opening of the decorative element 14, and the assembly is simple, and generally only needs to be inserted to complete the assembly positioning of the end cap 20.

Referring to fig. 4, in an embodiment, in the first usage state, the first combining portion 21 extends into the inner cavity of the core bundle to serve as an inner plug for closing the first end opening. The structure is simple, the coaxiality of the two is good, the combination firmness degree is high, the end opening is effectively sealed, and the internal paste is protected.

In the second use state, in order to ensure that the first combining part 21 can be tightly matched with the second combining part 18, in an embodiment, a circumferential limiting structure 30 for limiting the relative movement of the first combining part 21 and the second combining part 18 and an axial limiting structure 40 for limiting the axial separation of the first combining part 21 and the second combining part 18 are arranged between the first combining part and the second combining part, and refer to fig. 5-6.

Specifically, in an embodiment, the first combining portion 21 and the second combining portion 18 are annular structures nested with each other, and the circumferential limiting structure 30 includes a slit 31 provided in one of the combining portions and extending in the axial direction, and a blocking piece 32 provided in the other combining portion and extending into the slit 31; the axial restraint structure 40 includes a protrusion 41 provided at one of the engaging portions and a groove 42 provided at the other engaging portion to be engaged with the protrusion 41, see fig. 6. The notch 31 and the stop 32 in the circumferential limiting structure 30 cooperate to achieve accurate positioning of the end cap 20 during assembly, and the protrusion 41 and the groove 42 in the axial limiting structure 40 are in snap fit to facilitate flexible mounting and dismounting of the end cap 20.

In one embodiment, the first coupling portion 21 is located inside the second coupling portion 18. Correspondingly, in the circumferential limiting structure 30, the notch 31 is provided in the first combining portion 21, and the baffle 32 is provided in the second combining portion 18; in the axial restriction structure 40, the protrusion 41 is disposed on the first coupling portion 21, and the groove 42 is disposed on the second coupling portion 18. When the first engaging portion protrudes into the inner cavity of the core, the protrusion 41 is in interference fit with the inner cavity of the core.

Further, in an embodiment, the first combining portion 21 is provided with a plurality of notches 31, adjacent notches 31 form elastic sheets, and the second combining portion 18 is provided with a plurality of blocking sheets 32 extending along the radial direction to strengthen the circumferential fixation between the two.

In order to realize the replacement of the core, in one embodiment, the decorative element 14 is fixedly connected with the driving element 15 for protection and decoration; the guide element 17 includes a guide element body 171 and a second combining portion 18, the second combining portion 18 is detachably connected to the guide element body 171 (see fig. 3), the detachable connection can be realized by a key groove structure and/or a magnetic attraction structure, both of the two structures are prior art, and are not described in detail in this embodiment.

As shown in fig. 6, one end of the second combining portion 18 is provided with a connector which is clamped with the guide element 17, and the connector is inserted into the bottom of the guide element body 171 and is connected with the guide element through a key groove structure and a snap ring structure.

Of course, the guiding element body 171 and the second combining portion 18 may be integrally formed and configured to be detachably connected, so that the guiding element body 171 may use an existing structure without designing and developing a new mold.

In one embodiment, the guiding element 17 and the driving element 15 are tubular structures, wherein the inner wall of the driving element 15 has a spiral driving groove 151, the side wall of the guiding element 17 is provided with a guiding groove 1711 arranged along the axial direction, the paste containing element 16 comprises a paste containing barrel 161 positioned inside the guiding element 17 and a convex column 162 arranged outside the paste containing barrel 161, and the convex column 162 can penetrate through the guiding groove 1711 and extend into the driving groove 151, see fig. 3. In the second usage state, holding the decoration element 14, rotating the end cap 20 can drive the guiding element 17 and the second combining portion 18 to rotate, and due to the limitation of the guiding slot 1711, the guiding element 17 further drives the protruding column 162 to move along the driving slot 151, so as to drive the paste containing element 16 to move linearly along the axial direction, and send out the paste.

The utility model provides a flexible cooperation of both ends of packing tube core is through end cover and well bundle is in order to realize the transform of user state, and operation method is simple to save structural element, reduced manufacturing cost.

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. Features of different embodiments are shown in the same drawing, which is to be understood as also disclosing combinations of the various embodiments concerned.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A packing tube, comprising:

an end cap having a first use condition in which the end cap is combined with the first end portion of the core to close the end opening of the decorative element and a second use condition; in a second use state, the end cap is engaged with the second end of the core and, in combination with the driving or guiding element, can be rotated relative to the decorative element to operate the paste containing element.

2. A packing tube according to claim 1, wherein the end cap is internally provided with a first coupling portion and the respective driving or guiding element has a second coupling portion adjacent the second end portion.

3. The packing tube of claim 2, wherein the end cap includes a cylindrical wall and an end wall, the first engaging portion being disposed proud of the end wall.

4. The packing tube of claim 2, wherein a circumferential restraining structure that restrains the first joining portion and the second joining portion from relative rotation and an axial restraining structure that restrains the first joining portion and the second joining portion from axial separation are provided therebetween.

5. The tube according to claim 4, wherein the first and second joints are nested ring structures, and the circumferential limiting structure comprises a slit extending in the axial direction at one of the joints and a baffle extending into the slit at the other joint; the axial limiting structure comprises a protrusion arranged on one combination part and a groove arranged on the other combination part and matched with the protrusion.

6. The packing tube of claim 5, wherein the first bond is located inside the second bond.

7. A packing tube according to claim 5, wherein the first engaging portion is provided with a plurality of slits, adjacent slits forming a resilient tab, and the second engaging portion is provided with a plurality of radially extending catches.

8. A packing tube according to any one of claims 2 to 7, wherein in the first in-use condition the first engaging portion extends into the internal cavity of the core to act as an internal plug to close the first end opening.

9. A packing tube according to claim 2, characterised in that the decorative element is fixedly connected to the driving element, the guide element comprising a guide element body and a second coupling portion, which is detachably connected to the guide element body.

10. A packing tube according to claim 1, characterised in that the guide element and the drive element are of tubular construction, wherein the inner wall of the drive element has a helical drive groove, the side wall of the guide element being provided with an axially arranged guide groove, the paste containing element comprising a paste containing barrel inside the guide element and a stud outside the paste containing barrel, which stud projects through the guide groove into the drive groove, the decorative element completely or substantially receiving the paste containing element, the drive element and the guide element in its inner cavity.