CN212244449U - Push type guide packing tube - Google Patents

Abstract

The application discloses a press type guide packaging tube, which comprises a tube body, a press cap arranged in the tube body in a sliding manner, and a middle bundle core assembly which is contained in the tube body and can be pushed out of the tube body by the press cap, wherein an inner cover is arranged in the press cap in a guiding and sliding manner and directly pushes the middle bundle core assembly through the inner cover; the pressing cap, the inner cap and the middle bundle core assembly have a first sliding stroke relative to the tube body, and the inner cap and the middle bundle core assembly have a second sliding stroke relative to the pressing cap; the body with in restraint between the core subassembly, the body with press between the cap, and press the cap with be equipped with the limit structure who mutually supports in order to restrict the slip stroke between the inner cup respectively. The utility model discloses a push type direction packing tube can realize the two-stage slip propelling movement of well bundle core subassembly, presses the cap to press into shallowly, and finger convenient operation.

Description

Push type guide packing tube

Technical Field

The application relates to the technical field of cosmetic packaging, in particular to a pressing type guide packaging tube.

Background

When the existing press type packing tube pushes the middle bundle core assembly out of the tube body, the inner structure, the inner wall and other areas of the tube body are exposed and not beautiful as the cap is pressed deeply; moreover, the pressing-in is deeper, and the finger operation is inconvenient; if sundries fall into the packaging tube, the function of the packaging tube is also hindered.

SUMMERY OF THE UTILITY MODEL

It is necessary to provide a press type guide packing tube aiming at the technical problem of inconvenient operation caused by deep press of the press cap.

The application provides a pressing guide packaging tube, which comprises a tube body, a pressing cap arranged in the tube body in a sliding mode, and a middle bundle core assembly which is contained in the tube body and can be pushed out of the tube body by the pressing cap, wherein an inner cover is arranged in the pressing cap in a guiding and sliding mode and directly pushes the middle bundle core assembly through the inner cover;

the pressing cap, the inner cap and the middle bundle core assembly have a first sliding stroke relative to the tube body, and the inner cap and the middle bundle core assembly have a second sliding stroke relative to the pressing cap;

the body with in restraint between the core subassembly, the body with press between the cap, and press the cap with be equipped with the limit structure who mutually supports in order to restrict the slip stroke between the inner cup respectively.

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 limit structure includes:

the buckling structure is arranged between the pipe body and the middle bundle core assembly, and the pressing cap, the inner cover and the middle bundle core assembly are kept at a first position when the middle bundle core assembly is accommodated in the pipe body through the buckling structure;

an axial limiting structure which axially positions the press cap in the tube body, and the press cap is retained at a second position when the press cap, the inner cover and the middle bundle core assembly have a first sliding stroke relative to the tube body through the axial limiting structure;

and a guide structure for guiding the sliding of the inner cover relative to the press cap, wherein the inner cover and the middle bundle core assembly are kept at a third position by the guide structure when the inner cover and the middle bundle core assembly have a second sliding stroke relative to the press cap.

Optionally, the axial limiting structure includes:

a first weighting piece fixed on the inner wall of the pipe body,

and the limiting ring is arranged on the periphery of the pressing cap, abuts against the first weighting piece for limiting and is magnetically attracted.

Optionally, a mounting groove is formed in the periphery of the limiting ring, and a magnetic attraction piece acting on the first weighting piece is embedded in the mounting groove.

Optionally, a second weighting piece is installed at the bottom of the inner cover, and when the inner cover moves to a third position in a manner of abutting against the middle bundle core assembly, the second weighting piece is magnetically attracted by the magnetic attraction piece.

Optionally, the inner wall of body is equipped with the location step, when pressing the cap in the primary importance, spacing ring location step axial counterbalance is spacing.

Optionally, the guide structure includes:

the pressing cap is provided with a guide groove extending along the axial direction;

the inner cover is provided with a guide post which protrudes outwards along the radial direction and is matched with the guide groove;

the length of the guide groove is equal to the second sliding stroke.

Optionally, the middle bundle core assembly includes a middle bundle core and an outsole connected to the middle bundle core, the pipe body is further provided with a bushing adjacent to the outsole, and the buckling structure includes:

the positioning convex ring is positioned on the outer wall of the outer sole and protrudes outwards in the radial direction;

and the positioning groove is arranged on the inner wall of the lining and matched with the positioning convex ring.

Optionally, the middle bundle core assembly further comprises a magnetic member between the outsole and the middle bundle core, and the magnetic member and the magnetic attraction member repel each other to push the middle bundle core assembly to the third position.

Optionally, the tube body has an open end, the press cap further includes a sealing cap fixedly installed, and when the press cap is at the first position, the sealing cap closes the open end.

The utility model provides a press direction packing tube has following technological effect: the two-stage sliding pushing of the middle bundle core assembly can be realized, the inner cover slides and pushes the middle bundle core assembly to move relative to the cap in a guiding manner, and the length of the middle bundle core assembly exposed out of the tube body is far greater than the pressing depth of the cap. The middle bundle core assembly is pressed out of the tube body, the pressing in of the cap is shallow, the finger operation is convenient, the regions such as the inner structure and the inner wall of the tube body are less exposed and more attractive, and the possibility that sundries fall into the packing tube to block the function of the packing tube is reduced.

Drawings

FIG. 1 is a perspective view of a press guide packing tube according to an embodiment of the present application;

FIG. 2 is a schematic view of the structure of the tube body of the packing tube shown in FIG. 1;

FIG. 3 is a schematic view of the tube of FIG. 1 without the tube body;

FIG. 4 is a schematic view of the assembly of the sealing cap, the pressing cap and the inner cap of the packing tube shown in FIG. 3;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the packaging tube of FIG. 3 without the closure cap, the push cap, and the inner cap;

FIG. 7 is a schematic view of the tube of FIG. 6 without the core;

FIG. 8 is a schematic view of the tube wrapper of FIG. 1 in a first position;

FIG. 9 is an enlarged fragmentary view of the tube illustrated in FIG. 8 at A;

FIG. 10 is a schematic view of the tube wrapper of FIG. 1 in a second position;

FIG. 11 is an enlarged fragmentary view of the tube package shown in FIG. 10 at B;

figure 12 is a schematic view of the tube package of figure 1 in a third position.

The reference numerals in the figures are illustrated as follows:

100. packaging the tube; 10. a pipe body; 11. a first weighting member; 12. a second positioning step; 13. a third positioning step; 20. pressing the cap; 21. a limiting ring; 211. a skirt piece; 212. a magnetic attraction piece; 22. a guide groove; 23. sealing the cap; 30. a mid-bundle core assembly; 31. a core of the middle bundle; 311. spiraling; 312. beads; 313. a middle section; 314. intermediate bunching; 32. an outsole; 321. positioning the convex ring; 33. a bushing; 331. a positioning groove; 34. a magnetic member; 35. a bottom weighted member; 36. a gap; 40. an inner cover; 41. a second weight; 411. a flanging structure; 42. a first positioning step; 43. a guide post; 51. a buckling structure; 52. an axial limiting structure; 53. and a guide structure.

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.

Referring to fig. 1 to 12, an embodiment of the present invention provides a press guide packing tube 100, which includes a tube body 10, a press cap 20, a middle bundle core assembly 30, and an inner cover 40, wherein the press cap 20 is slidably installed in the tube body 10, the middle bundle core assembly 30 is received in the tube body 10, and when the press cap 20 is pressed, the middle bundle core assembly 30 is pushed out of the tube body 10 by the press cap 20, the inner cover 40 is slidably installed in the press cap 20 in a guiding manner, and the middle bundle core assembly 30 is directly pushed by the inner cover 40.

When the pressing cap 20 is not pressed, the pressing cap 20, the inner cover 40 and the middle bundle core assembly 30 are accommodated in the tube body 10; when the pressing cap 20 is pressed, the pressing cap 20, the inner cover 40 and the middle bundle core assembly 30 slide relative to the tube body 10 to form a first sliding stroke. The inner cover 40 slides relative to the pressing cap 20 under the action of gravity and the action of magnetic repulsion, which will be described in detail later, and the core assembly 30 slides relative to the tube 10 under the action of the inner cover 40 to form a second sliding stroke.

Correspondingly, limit structures which are matched with each other to limit the sliding stroke are respectively arranged between the tube body 10 and the middle bundle core assembly 30, between the tube body 10 and the pressing cap 20, and between the pressing cap 20 and the inner cover 40. It can be understood that, by the limiting structure, two sliding strokes of the middle bundle core assembly 30 relative to the tube body 10 can be realized. During first slip stroke, need press according to cap 20, during the second slip stroke, need not to press and press cap 20, restraint core subassembly 30's two-stage slip propelling movement in the realization, restraint core subassembly 30 exposes the length of body 10 and is two slip strokes sums. The present embodiment can realize that the length of the middle bundle core assembly 30 exposed out of the tube body 10 is 15mm-20mm, preferably 17.5 mm.

The pressing guide packaging tube 100 provided by the embodiment can realize two-stage sliding pushing of the middle bundle core assembly 30, the inner cover 40 slides and pushes the middle bundle core assembly 30 to move in a guide way relative to the pressing cap 20, and the length of the middle bundle core assembly 30 exposed out of the tube body 10 is far greater than the pressing depth of the pressing cap 20. In order to press the middle bundle core assembly 30 out of the tube body 10, the pressing in of the cap 20 is shallow, the finger operation is convenient, the regions of the inner structure, the inner wall and the like of the tube body 10 are less exposed, the appearance is attractive, and the possibility that sundries fall into the packaging tube 100 to block the function of the packaging tube 100 is reduced.

In another embodiment, referring to fig. 2, the tube 10 is tubular and has an axis, and the pressing cap 20 slides along the axis of the tube 10. The core assembly 30 includes a core 31 and an outsole 32 connected to the core 31, and the outsole 32 can drive the core 31 to rotate. During the pressing of the pressing cap 20 and the sliding of the inner cap 40 relative to the pressing cap 20, the inner cap 40 moves against the outer sole 32 and pushes the core 31 to expose the tube 10. The middle bundling core 31 is movably inserted into the inner cover 40, the middle bundling core 31 is accommodated in the inner cover 40, the middle bundling core 31 and the inner cover 40 can be separated under the action of external force, and the middle bundling core 31 and the inner cover 40 are relatively fixedly installed under the condition that the middle bundling core 31 has no external force. The outsole 32 is connected to the central core 31, and the outsole 32 is used for driving the central core 31 to screw out lipstick for use.

Specifically, the inner wall of the inner cover 40 is provided with a limiting rib, and the limiting rib is in interference fit with the outer wall of the middle bundling core 31 so as to insert the middle bundling core 31 into the inner cover 40. Specifically, the number of the limiting ribs is at least one, for example, 1, 2, 3, and the like. A plurality of spacing muscle are arranged along the circumference of inner cup 40 inner wall and are distributed, and each spacing muscle extends along the axial to increase the area of contact of spacing muscle and well bundle core 31, in order to prevent that the activity from pegging graft in the inner cup 40 well bundle core 31 produces at gliding in-process and rocks. Through spacing muscle, will restraint core subassembly 30 card in and go into inner cover 40 for difficult freedom after being blocked by inner cover 40 drops, under the exogenic action, can restraint core subassembly 30 in taking out from inner cover 40.

In one embodiment, referring to fig. 8, the middle core 31 includes a spiral 311 inserted into the outsole 32, a bead 312 screwed with the spiral 311, a middle section 313 abutting between the spiral 311 and the bead 312, and a middle strand 314 sleeved on the outer circumference of the middle section 313. Outsole 32 drives helix 311 to rotate, which in turn drives beads 312 to slide axially. A bottom weight 35 is also installed between the core 31 and the outsole 32. Since the center bundle core 31 is not the focus of the improvement of the present application, other center bundle cores 31 in the prior art may be used instead, and are not described in detail.

Specifically, referring to fig. 3, 4 and 8 to 12, the limiting structure includes a buckling structure 51, an axial limiting structure 52 and a guiding structure 53, and the buckling structure 51, the axial limiting structure 52 and the guiding structure 53 cooperate together to form a two-stage sliding pushing of the middle core bundle 31. The buckling structure 51 is disposed between the tube 10 and the middle bundle core assembly 30, and the middle bundle core assembly 30 is received in the tube 10 by the buckling structure 51 to form a first position. The axial limiting structure 52 is disposed between the pressing cap 20 and the tube 10, when the pressing cap 20 is pressed, the pressing cap 20 and the inner cover 40 slide relative to the tube 10 and drive the middle bundle core assembly 30 to move axially, and when the pressing cap 20 is axially positioned in the tube 10 through the axial limiting structure 52 between the pressing cap 20 and the tube 10, the pressing cap 20 is pressed to finish the action, and a second position is formed. The guiding structure 53 is disposed between the inner cover 40 and the pressing cap 20, after the pressing cap 20 is pressed, the inner cover 40 slides relative to the pressing cap 20 under the action of gravity and the guiding structure 53, and the core assembly 30 slides relative to the tube 10 during driving of the inner cover 40 to form a third position.

When the pressing cap 20 is pressed, the middle bundle core assembly 30 slides from the first position to the second position, which is a first sliding stroke, the inner cover 40 slides relative to the pressing cap 20 continuously under the condition that the pressing cap 20 is not pressed continuously, the middle bundle core assembly 30 slides from the second position to the third position, which is a second sliding stroke, and the length of the middle bundle core assembly 30 exposed out of the tube body 10 is the sum of the two sliding strokes. It can be understood that in the second position and the third position, the push cap 20 and the tubular body 10 are retained in position by the axial stop structure 52. The pressing guide packaging tube 100 provided by the embodiment realizes two-stage sliding pushing of the middle bundle core assembly 30 through the matching of the buckling structure 51, the axial limiting structure 52 and the guide structure 53 under the condition of pressing the pressing cap 20 once.

In another embodiment, the buckling structure 51 between the outsole 32 and the tube 10 comprises a positioning protrusion 321 and a positioning groove 331, which are matched, the positioning protrusion 321 is formed by radially protruding the outer wall of the outsole 32, and the positioning groove 331 is formed on the inner wall of the tube 10. The positioning protrusion 321 is engaged with the positioning recess 331 to position the core assembly 30 in the tube 10 to keep it at the first position. When the pressing cap 20 is pressed, the positioning protrusion 321 is separated from the positioning groove 331, the positioning between the outsole 32 and the tube 10 is released, and the pressing cap 20 pushes the outsole 32 to extend out of the tube 10 to the second position.

Specifically, referring to FIG. 9, a positioning collar 321 is provided at the bottom of the outsole 32 to facilitate movement of the outsole 32 when the push cap 20 is initially pressed. A gap 36 is left between the outsole 32 and the tube 10, and a positioning collar 321 extends radially from the outsole 32 through the gap 36 to the tube 10, the gap 36 reducing friction of the outsole 32 sliding relative to the tube 10. In one embodiment, the positioning protrusion 321 is made of an elastic material, such as rubber. Preferably, the positioning lug 321 extends in the axial direction by a length of less than 2 mm.

In another embodiment, referring to fig. 3, fig. 5, fig. 9 and fig. 12, the axial limiting structure 52 includes a first weighting member 11 and a limiting ring 21 that are engaged with each other, the first weighting member 11 is fixed on the inner wall of the tube 10, the limiting ring 21 is disposed on the outer periphery of the pressing cap 20, and the limiting ring 21 is abutted against the first weighting member 11 for limiting and magnetically attracting when in the second position and the third position.

The limiting ring 21 comprises two rings of skirt pieces 211 and a magnetic force absorbing piece 212 clamped between the two rings of skirt pieces 211, a mounting groove is formed between the two rings of skirt pieces 211, the magnetic force absorbing piece 212 is embedded in the mounting groove, the two rings of skirt pieces 211 are arranged on the periphery of the pressing cap 20 along the axial direction of the tube body 10 in a fixed mode, the two rings of skirt pieces 211 are distributed up and down along the axial direction respectively, the limiting ring comprises an upper skirt piece 211 and a lower skirt piece 211, and the magnetic force absorbing piece 212 is fixed on the pressing cap 20 and moves along with the axial direction of the pressing cap 20. When the pressing cap 20 is at the second position and the third position, the magnetic attraction part 212 is separated from the first weighting piece 11 by the skirt piece 211 at the corresponding side, and the magnetic attraction part 212 and the first weighting piece 11 are made of mutually matched materials for magnetic attraction. Specifically, the magnetic attraction piece 212 is annular and includes at least two arc-shaped sections that are circumferentially spliced to each other to facilitate installation of the magnetic attraction piece 212. It is understood that the magnetic attraction 212 may be, for example, a magnet.

In another embodiment, referring to fig. 5, a second weighting member 41 is installed at the bottom of the inner cover 40, when the second weighting member 41 moves against the middle bundle core assembly 30 to a third position, the second weighting member 41 magnetically attracts the magnetic attraction member 212, and the second weighting member 41 is axially adjacent to the magnetic attraction member 212. Specifically, the bottom of the inner cover 40 is provided with a first positioning step 42 for the second weighting member 41 to abut against for limiting, the second weighting member 41 is provided with a flanging structure 411, and the flanging structure 411 abuts against for limiting with the end surface of the inner cover 40. The second weight 41 facilitates the sliding of the inner lid 40 relative to the push cap 20 due to gravity.

Specifically, referring to fig. 9, the inner wall of the tube 10 is provided with a second positioning step 12 and a third positioning step 13. The limiting ring 21 is axially abutted and limited against the second positioning step 12 at the first position, so that the middle bundle core assembly 30 is positioned in the pipe body 10 according to the cap 20 when the inner cover 40 is pushed and the cap 20 is reset in the process of reinserting the pipe body 10. The third positioning step 13 is used to limit the first weighting piece 11 on the tube 10, so that the first weighting piece 11 can be magnetically attracted with the limiting ring 21 to fix the position of the pressing cap 20 at the second position and the third position.

In another embodiment, referring to fig. 4 and 5, the guiding structure 53 includes a guiding groove 22 and a guiding post 43, which are disposed between the pressing cap 20 and the inner lid 40 and are engaged with each other, the guiding groove 22 is disposed on the pressing cap 20 and extends along the axial direction of the pressing cap 20, the guiding post 43 is formed by radially protruding the inner lid 40, and the distance of relative sliding of the guiding post 43 along the guiding groove 22 is equal to the second sliding stroke. Preferably, the difference in length between the push cap 20 and the inner cap 40 in the axial direction is substantially equal to the length of the guide groove 22. The guide groove 22 has an axial length which is about one half to one quarter, preferably one third, of the axial length of the cap 20.

Specifically, two guide posts 43 are symmetrically distributed on the circumference of the inner lid 40, and the guide posts 43 are flush with the outer wall of the pressing cap 20. It will be appreciated that the number of guide posts 43 is not limited, and in other embodiments, there may be three guide posts 43 and three corresponding guide slots 22. In the first position, the guide posts 43 are located at the top of the guide slots 22, and in the third position, the guide posts 43 slide to the bottom of the guide slots 22.

In another embodiment, referring to fig. 7 and 9, a magnetic member 34 having a magnetic property opposite to that of the magnetic attraction member 212 is disposed between the outsole 32 and the core 31, and in the second position, the magnetic member 34 and the magnetic attraction member 212 repel each other to provide a pushing force for the core assembly 30 to slide relative to the pressing cap 20, and the core assembly 30 is connected to the inner cover 40, so that the inner cover 40 is presumed to slide relative to the pressing cap 20. The magnetic member 34 may be a magnet, for example, and the first weight 11 and the second weight 41 may be magnets.

In another embodiment, the tube 10 and the pressing cap 20 are hollow, and both have an open end at the top, and the pressing cap 20 further includes a sealing cap 23 fixedly mounted with the pressing cap 20, please refer to fig. 4 and 12, in which the sealing cap 23 always seals the open end of the pressing cap 20, and the sealing cap 23 seals the open end of the tube 10 when in the first position. An annular protrusion extending toward the inner diameter direction is provided at the inner edge of the open end of the tube 10, so as to close the open end of the tube 10 with the sealing cap 23. The inner wall of the bottom edge of the sealing cap 23 has an inner flange for inserting the push cap 20 into the sealing cap 23.

Specifically, referring to fig. 7, the pipe 10 is further provided with a bushing 33 at an end of the outer sole 32, the bushing 33 is disposed between the outer sole 32 and the pipe 10, accordingly, the positioning groove 331 is formed on an inner wall of the bushing 33, the bushing 33 is fixed relative to the pipe 10 by a form of interference fit of a positioning rib or gluing with 3M glue, and the first weight member 11 is sleeved on an outer periphery of the bushing 33 to be fixed relative to the pipe 10.

The pressing guide packing tube 100 provided by the application is pressed down to press the cap 20 to be only 2mm, the cap 20, the inner cover 40 and the middle bundle core assembly 30 slide, the magnetic attraction piece 212 of the cap 20 is attracted with the first weighting piece 11, and a first sliding stroke is completed. Through the fixed well core assembly 30 of restrainting of spacing muscle and inner cup 40, whole relative cap 20 that presses slides, until guide post 43 slide to the guide way 22 bottom in order to prevent to slide, and the second that is equipped with on the inner cup 40 adds heavy 41 and the magnetic force of pressing cap 20 closes piece 212 and guarantees that packing tube 100 does not play, accomplishes the second and slides the stroke, and at this moment, well core assembly 30 exposes the length of body 10 and can reach about 17.5mm, and the user can directly extract well core assembly 30 of restrainting. After the use, the middle bundle core assembly 30 needs to be pushed into the tube body 10, in the pushing process, the components are lifted and returned to the original position, the limiting ring 21 of the pressing cap 20 is abutted against the second optional positioning step for limiting, the outer sole 32 is buckled with the bushing 33, and the guide column 43 is positioned at the top of the guide groove 22.

The application provides a press direction packing tube 100, the two-stage slip propelling movement of restrainting core subassembly 30 in the realization, the one-level slip promotes to press the realization of cap 20 through pressing, and the two-stage slip propelling movement is realized through inner cup 40 and the relative direction slip of pressing cap 20, can realize only needing to press and press under the condition that cap 20 is only 2mm, and the automatic two-stage of restrainting core subassembly 30 is deviate from in the realization. The weighting piece is not arranged above the pipe body 10, a corresponding positioning structure is not required to be designed, and the problem that the pressing distance is too short and the weighting piece above the pressing distance is sucked back is avoided. Through the magnet attraction of limit structure and keeping away from and detain the position complex effect, restraint core subassembly 30 and release from body 10 in realizing, there is not the sound of part drunkenness when rocking packing tube 100, and the feel is better.

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 (10)

1. A push type guide packaging tube comprises a tube body, a press cap which is installed in the tube body in a sliding mode, and a middle bundle core assembly which is contained in the tube body and can be pushed out of the tube body by the press cap, and is characterized in that an inner cover is installed in the press cap in a guide sliding mode, and the middle bundle core assembly is directly pushed by the inner cover;

relative to the tube body, the pressing cap, the inner cover and the middle bundle core assembly have a first sliding stroke,

the inner cover and the middle bundle core assembly have a second sliding stroke relative to the pressing cap;

the body with in restraint between the core subassembly, the body with press between the cap, and press the cap with be equipped with the limit structure who mutually supports in order to restrict the slip stroke between the inner cup respectively.

2. The push type guide packing tube of claim 1, wherein the position limiting structure comprises:

the buckling structure is arranged between the pipe body and the middle bundle core assembly, and the pressing cap, the inner cover and the middle bundle core assembly are kept at a first position when the middle bundle core assembly is accommodated in the pipe body through the buckling structure;

an axial limiting structure which axially positions the press cap in the tube body, and the press cap is retained at a second position when the press cap, the inner cover and the middle bundle core assembly have a first sliding stroke relative to the tube body through the axial limiting structure;

and a guide structure for guiding the sliding of the inner cover relative to the press cap, wherein the inner cover and the middle bundle core assembly are kept at a third position by the guide structure when the inner cover and the middle bundle core assembly have a second sliding stroke relative to the press cap.

3. The push type guide packing tube of claim 2, wherein the axial stopper comprises:

a first weighting piece fixed on the inner wall of the pipe body,

and the limiting ring is arranged on the periphery of the pressing cap, abuts against the first weighting piece for limiting and is magnetically attracted.

4. The push type guide packing tube of claim 3, wherein the limiting ring has a mounting groove formed on an outer circumference thereof, and a magnetic attraction member is embedded in the mounting groove and interacts with the first weight member.

5. The push type guide packing tube of claim 4, wherein a second weight member is installed at a bottom of the inner cap, and the second weight member is magnetically engaged with the magnetic force engaging member when the inner cap moves against the core assembly to a third position.

6. The push type guide packing tube of claim 3, wherein the inner wall of the tube body is provided with a positioning step, and the positioning step of the stop ring axially abuts against and stops the pressing cap in the first position.

7. The push type guide packing tube of claim 2, wherein the guide structure comprises:

the pressing cap is provided with a guide groove extending along the axial direction;

the inner cover is provided with a guide post which protrudes outwards along the radial direction and is matched with the guide groove;

the length of the guide groove is equal to the second sliding stroke.

8. The push type guide tube package of claim 3 wherein the middle core assembly comprises a middle core and an outer bottom connected to the middle core, the tube further comprises a bushing adjacent to the outer bottom, and the locking structure comprises:

the positioning convex ring is positioned on the outer wall of the outer sole and protrudes outwards in the radial direction;

and the positioning groove is arranged on the inner wall of the lining and matched with the positioning convex ring.

9. The push-type guide tube of claim 8, wherein the core assembly further comprises a magnetic member disposed between the outer sole and the core, the magnetic member and the magnetic engaging member being mutually repulsive to push the core assembly toward the third position.

10. The push type guide package tube of claim 8 wherein the tube body has an open end, the push cap further comprising a fixedly mounted closure cap, the closure cap closing the open end when the push cap is in the first position.

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