Lipstick tube

The structural design, which combines a retaining ring, a groove, and a thread, solves the problem of inconvenient lipstick tube recycling. It achieves smooth rotation and easy recycling without the need for oil lubrication or glue fixation.

CN223873476UActive Publication Date: 2026-02-06ZHEJIANG YONGSHENG PACKAGING
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Patent Information

Application Number
CN202520181950.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-02-06
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

The existing lipstick tubes require cleaning and separation of adhesive and oil during recycling, which makes recycling inconvenient.

Method used

The design employs a snap ring, snap groove structure, and threaded connection. The inner sleeve is fixed to the outer shell through the limiting strip and limiting groove, avoiding the use of glue. Combined with the threaded connection of the guide rod and the spiral block, the rotation and movement of the middle part are realized.

Benefits of technology

No oil lubrication or glue is needed for fixing, resulting in smoother and more fluid rotation, reduced production costs, and improved recycling convenience for lipstick tubes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lipstick tube comprises a cover, a shell, an inner sleeve, a rotating sleeve and a middle bundle, the inner sleeve is fixedly installed in the shell, the rotating sleeve is rotatably installed in the inner sleeve, at least part of the rotating sleeve is located in the shell, the rotating sleeve comprises a partition plate, the partition plate is provided with a guide hole, the middle bundle comprises an installation base and a guide rod, and the inner sleeve is provided with a spiral block. The guide rod is provided with threads corresponding to the spiral block, the guide rod penetrates through the guide hole, at least part of the guide rod is located in the inner sleeve, the installation base is located above the partition plate, and when the rotary sleeve is rotated, the installation base can move up and down along the rotary sleeve. The middle bundle can be driven to move up and down when the external rotary sleeve is rotated, the spiral block arranged in the inner sleeve can be matched with the thread of the guide rod, friction between the spiral block and the guide rod can be reduced to the maximum extent, and the rotary sleeve can rotate more smoothly without lubrication.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cosmetic packaging technical field more specifically, relate to a lipstick tube. BACKGROUND

[0002] In prior art, the lipstick tube is generally composed of a cover, a shell, and a middle bundle, wherein the middle bundle is the most important component of the lipstick tube, and the middle bundle can be rotated to move up and down through the spiral design, so that the lipstick fixed on the middle bundle can be extended and retracted. When the user uses it, more attention is paid to the rotation torque feedback of the lipstick tube, so oil is usually applied to the spiral part of the middle bundle to adjust the rotation torque and smoothness, and improve the user experience and seniority. The parts fixedly connected with the shell are usually fixed by the gluing method, but this oil and glue application method cannot directly recycle the whole lipstick tube in subsequent recycling, and the glue and oil need to be cleaned and separated from the lipstick tube before recycling, which is very inconvenient. Therefore, a technical scheme is needed to solve the above problems. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of the prior art, eliminating the need for glue and oil in the installation and movement of the lipstick tube parts, and providing a lipstick tube.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The utility model discloses a lipstick tube, which comprises a cover, a shell, an inner sleeve, a rotating sleeve and a middle bundle, wherein the inner sleeve is fixedly installed in the interior of the shell, the rotating sleeve is rotatably installed in the inner sleeve, the rotating sleeve is at least partially located in the shell, the rotating sleeve comprises a partition plate, the partition plate is provided with a guide hole, the middle bundle comprises a mounting seat and a guide rod, the inner sleeve is provided with a spiral block, the guide rod is provided with a thread corresponding to the spiral block, the guide rod penetrates through the guide hole, the guide rod is at least partially located in the interior of the inner sleeve, the mounting seat is located above the partition plate, and the mounting seat can move up and down along the rotating sleeve when the rotating sleeve is rotated.

[0006] Further, the thread of the guide rod extends along the length direction of the guide rod, the guide rod is provided with at least one flat surface, the flat surface extends along the length direction of the guide rod, and the guide hole is provided with a limiting surface corresponding to the flat surface.

[0007] Further, the flat surface is provided with two flat surfaces, the two flat surfaces are symmetrically arranged, and the limiting surface is correspondingly provided with two limiting surfaces.

[0008] Further, the guide rod is provided with a stopper, the stopper is located at the lower end of the flat surface, the stopper comprises an abutting surface, the abutting surface is located at the lower end of the stopper, the abutting surface is inclinedly arranged, and the abutting surface is inclined upward at the end away from the flat surface.

[0009] Further, the partition plate is provided with a slot hole, the slot hole is communicated with the upper end surface and the lower end surface of the partition plate, the slot hole is located at the outer periphery of the guide hole, and the slot hole is located at the outer side of the limiting surface.

[0010] Further, the inner wall of the shell is provided with a first clamping ring, the outer wall of the inner sleeve is provided with a third clamping ring, the third clamping ring is located below the first clamping ring, the upper end of the third clamping ring abuts against the lower end of the first clamping ring, the inner wall of the shell is provided with at least one limiting strip, the limiting strip extends along the axial direction of the shell, the outer wall of the inner sleeve is provided with at least two limiting blocks, a limiting groove is formed between adjacent two limiting blocks, and the limiting strip is located in the limiting groove.

[0011] Further, the inner wall of the shell is provided with a second clamping ring, and the outer wall of the inner sleeve is provided with a first clamping groove.

[0012] Further, the inner sleeve is provided with a through hole, the through hole is located at the upper end of the inner sleeve, the inner wall of the through hole is provided with two screw blocks, and the two screw blocks are oppositely arranged.

[0013] Further, the outer wall of the inner sleeve is provided with a fourth clamping ring and a fifth clamping ring, the inner wall of the rotating sleeve is provided with a ring groove matched with the fourth clamping ring, the rotating sleeve is provided with a step, and the fifth clamping ring abuts against the step.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses when rotating the rotating sleeve of external part, can drive the middle beam to move up and down, and the inner sleeve sets up the screw block and can cooperate with the screw thread of guide rod, can reduce the friction between both to the greatest extent, makes the rotating sleeve rotate more silkily and smoothly, need not use oil lubrication, and the inner sleeve and the shell are mutually clamped through the clamping ring and the clamping groove, and are positioned in the rotating direction through the limiting strip and the limiting groove, need not use the glue to fix, reduced production cost, and the whole recovery of lipstick tube is more convenient. DRAWINGS

[0016] Figure 1 It is a kind of sectional view for this embodiment.

[0017] Figure 2 It is a kind of schematic diagram for the inner sleeve in this embodiment.

[0018] Figure 3 It is a kind of schematic diagram for the rotating sleeve in this embodiment.

[0019] Figure 4 A schematic view of the middle beam in the embodiment.

[0020] Label: 1, cover; 2, shell; 21, first clasp; 22, second clasp; 23, limiting strip; 3, inner sleeve; 31, third clasp; 32, first clamping groove; 33, through hole; 331, spiral block; 34, limiting block; 341, limiting groove; 35, fourth clasp; 36, fifth clasp; 4, rotating sleeve; 41, partition; 411, guide hole; 4111, limiting surface; 412, slot hole; 413, guide wall; 42, ring groove; 43, step; 5, middle beam; 51, mounting seat; 511, groove; 512, convex point; 52, guide rod; 521, thread; 522, flat surface; 523, stop block; 5231, abutting surface. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figure 1 , Figure 2 , Figure 3 , Figure 4 indicated, the embodiment discloses a lipstick tube, which comprises a cover 1, a shell 2, an inner sleeve 3, a rotating sleeve 4 and a middle beam 5. The inner sleeve 3 is fixedly installed in the interior of the shell 2. The shell 2 is hollow. The upper end of the shell 2 is provided with an opening. The inner wall of the shell 2 is provided with a first clasp 21. The outer wall of the inner sleeve 3 is provided with a third clasp 31. The third clasp 31 is located below the first clasp 21. The upper end of the third clasp 31 abuts against the lower end of the first clasp 21. The inner wall of the shell 2 is provided with a second clasp 22. The outer wall of the inner sleeve 3 is provided with a first clamping groove 32. The second clasp 22 is located in the first clamping groove 32. The first clasp 21 and the second clasp 22 are arc-shaped, which makes it more convenient to install the inner sleeve 3 into the shell 2. The first clasp 21 forms a limit for the upward movement of the third clasp 31. The clamping connection between the second clasp 22 and the first clamping groove 32 can more firmly fix the inner sleeve 3 and the shell 2.

[0023] The inner wall of the shell 2 is annularly distributed with a plurality of limiting strips 23 extending along the axial direction of the shell 2, and the outer wall of the inner sleeve 3 is provided with a plurality of limiting blocks 34 annularly distributed, and a limiting groove 341 is formed between adjacent two limiting blocks 34, and the limiting strip 23 is located in the limiting groove 341, so that the rotation direction between the inner sleeve 3 and the shell 2 is fixed, and the inner sleeve 3 and the shell 2 can be fixedly connected without using glue, thereby reducing the production cost and facilitating the overall recycling of the lipstick tube.

[0024] The rotating sleeve 4 is rotatably installed in the inner sleeve 3, and the rotating sleeve 4 is at least partially located in the shell 2, the outer wall of the inner sleeve 3 is provided with a fourth snap ring 35 and a fifth snap ring 36, the inner wall of the rotating sleeve 4 is provided with a ring groove 42 for clamping the fourth snap ring 35, the fourth snap ring 35 is clamped with the ring groove 42 to form an axial fixation of the rotating sleeve 4, so that the rotating sleeve 4 can be rotatably connected with the inner sleeve 3, the rotating sleeve 4 is provided with a step 43, and the fifth snap ring 36 abuts against the step 43, and the abutment between the step 43 and the fifth snap ring 36 can limit the installation depth of the rotating sleeve 4, thereby playing a supporting role.

[0025] The rotating sleeve 4 includes a partition plate 41, and the rotating sleeve 4 is tubular, the partition plate 41 is located in the interior of the rotating sleeve 4, the partition plate 41 is provided with a guide hole 411, the middle beam 5 includes a mounting seat 51 and a guide rod 52, the inner sleeve 3 is provided with a through hole 33 located at the upper end of the inner sleeve 3, the inner wall of the through hole 33 is provided with two spiral blocks 331 oppositely arranged, the guide rod 52 is provided with a thread 521 corresponding to the spiral block 331, the guide rod 52 passes through the guide hole 411, and the guide rod 52 is at least partially located in the interior of the inner sleeve 3, the thread 521 of the guide rod 52 extends along the length direction of the guide rod 52, the guide rod 52 is provided with two flat surfaces 522 symmetrically arranged, and two limiting surfaces 4111 are correspondingly arranged, the flat surface 522 extends along the length direction of the guide rod 52, the guide hole 411 is provided with the limiting surface 4111 corresponding to the flat surface 522, and since the flat surface 522 and the limiting surface 4111 are in contact, the rotating sleeve 4 will drive the middle beam 5 to rotate when rotating, and since the thread 521 of the middle beam 5 is threadedly connected with the spiral block 331 of the inner sleeve 3, the middle beam 5 can move up and down along the rotating sleeve 4 when the rotating sleeve 4 rotates, and the two spiral blocks 331 can reduce the contact area between the middle beam 5 and the inner sleeve 3 while ensuring the stability of the thread connection, thereby maximally reducing the friction therebetween and enabling the rotating sleeve 4 to rotate more smoothly without using oil lubrication.

[0026] More preferably, the guide rod 52 is provided with a stopper 523, the stopper 523 is located at the lower end of the flat surface 522, the upper end of the stopper 523 abuts against the lower end surface of the partition plate 41 when the middle beam 5 moves upward to the highest position, forming the limit position of the upward movement of the middle beam 5, preventing the middle beam 5 from being separated from the inner sleeve 3, the stopper 523 comprises an abutting surface 5231, the abutting surface 5231 is located at the lower end of the stopper 523, the abutting surface 5231 is inclinedly arranged, the end of the abutting surface 5231 away from the flat surface 522 is inclined upward, the middle beam 5 is installed from the upper end of the partition plate 41 downward during installation, the abutting surface 5231 of the stopper 523 contacts the edge of the guide hole 411 when the guide rod 52 passes through the guide hole 411, the guide rod 52 is better installed inward, the partition plate 41 is provided with a slot hole 412, the slot hole 412 communicates the upper end surface and the lower end surface of the partition plate 41, the slot hole 412 is located at the outer periphery of the guide hole 411, the slot hole 412 is located outside the limiting surface 4111, the width of the part of the partition plate 41 between the slot hole 412 and the limiting surface 4111 is reduced to have the elastic deformation capability, so that the stopper 523 can better pass through the guide hole 411.

[0027] The mounting seat 51 is located above the partition plate 41, the mounting seat 51 is used for mounting the lipstick, the outer wall of the mounting seat 51 is provided with a groove 511, the groove 511 is annular, a plurality of convex points 512 are arranged in the groove 511, the convex points 512 abut against the guide wall 413 of the rotating sleeve 4, the mounting seat 51 can move upward and downward along the rotating sleeve 4 when the rotating sleeve 4 rotates, can support between the mounting seat 51 and the guide wall 413, increase the friction force between the mounting seat 51 and the rotating sleeve 4 to improve the rotating feeling of the rotating sleeve 4, the cover 1 is detachably mounted on the shell 2, the rotating sleeve 4 can be covered and protected after the cover 1 is covered.

[0028] The above only describes the preferred embodiments of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions belonging to the technical solutions of the present application are all within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application can also be considered as the protection scope of the present application.

Claims

1. A lipstick tube, characterized by, The utility model provides a kind of cover (1), shell (2), inner sleeve (3), rotating sleeve (4), middle beam (5), the inner sleeve (3) is fixedly installed in the inside of the shell (2), the rotating sleeve (4) is rotatably installed in the inner sleeve (3), the rotating sleeve (4) is at least partially located in the shell (2), the rotating sleeve (4) includes baffle (41), the baffle (41) is equipped with guide hole (411), the middle beam (5) includes mounting seat (51) and guide rod (52), the inner sleeve (3) is equipped with spiral block (331), the guide rod (52) is equipped with the thread (521) corresponding with the spiral block (331), the guide rod (52) passes through the guide hole (411), the guide rod (52) is at least partially located in the inside of the inner sleeve (3), the mounting seat (51) is located above the baffle (41), the mounting seat (51) can be moved up and down along the rotating sleeve (4) when rotating the rotating sleeve (4), the cover (1) is detachably installed in the shell (2).

2. The lipstick tube of claim 1, wherein The thread (521) of the guide rod (52) extends along the length direction of the guide rod (52), the guide rod (52) is equipped with at least one flat surface (522), the flat surface (522) extends along the length direction of the guide rod (52), the guide hole (411) is equipped with a limiting surface (4111) corresponding to the flat surface (522).

3. The lipstick tube of claim 2, wherein The flat surface (522) is equipped with two, two flat surfaces (522) are symmetrically arranged, and the limiting surface (4111) is correspondingly provided with two.

4. The lipstick tube according to any one of claims 2 or 3, wherein The guide rod (52) is equipped with a stop block (523), the stop block (523) is located at the lower end of the flat surface (522), the stop block (523) includes an abutting surface (5231), the abutting surface (5231) is located at the lower end of the stop block (523), the abutting surface (5231) is inclined, and the end of the abutting surface (5231) away from the flat surface (522) is inclined upward.

5. The lipstick tube of claim 4, wherein The baffle (41) is provided with a slot hole (412), the slot hole (412) communicates the upper end surface and the lower end surface of the baffle (41), the slot hole (412) is located outside the limiting surface (4111) and the outer periphery of the guide hole (411).

6. The lipstick tube of claim 1, wherein The inner wall of the shell (2) is provided with a first clasp (21), the outer wall of the inner sleeve (3) is provided with a third clasp (31), the third clasp (31) is located below the first clasp (21), the upper end of the third clasp (31) abuts against the lower end of the first clasp (21), the inner wall of the shell (2) is provided with at least one limiting strip (23), the limiting strip (23) extends along the axial direction of the shell (2), the outer wall of the inner sleeve (3) is provided with at least two limiting blocks (34), a limiting groove (341) is formed between adjacent two limiting blocks (34), and the limiting strip (23) is located in the limiting groove (341).

7. The lipstick tube of claim 1, wherein The inner wall of the shell (2) is provided with a second clamping ring (22), the outer wall of the inner sleeve (3) is provided with a first clamping groove (32), and the second clamping ring (22) is located in the first clamping groove (32).

8. The lipstick tube of claim 1, wherein The inner sleeve (3) is provided with a through hole (33), the through hole (33) is located at the upper end of the inner sleeve (3), and the inner wall of the through hole (33) is provided with two spiral blocks (331), and the two spiral blocks (331) are oppositely arranged.

9. The lipstick tube of claim 1, wherein The outer wall of the inner sleeve (3) is provided with a fourth clamping ring (35) and a fifth clamping ring (36), the inner wall of the rotating sleeve (4) is provided with a ring groove (42) matched with the fourth clamping ring (35), the rotating sleeve (4) is provided with a step (43), and the fifth clamping ring (36) abuts against the step (43).