Paste replacement pipe

By designing a replacement tube for the cream, the problem of not being able to refill the cream cosmetics after they are used up is solved, realizing the replaceability of the cream, reducing waste and saving costs. It is also simple to operate and ergonomic.

CN223515910UActive Publication Date: 2025-11-07DUOPU PRINTING DESIGN (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202423091956.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-07
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

When existing cream-based cosmetics are used up, the tubes cannot be refilled, leading to waste and environmental pollution.

Method used

Design a paste replacement tube, including a tube body, a detachable replacement component, and a lifting component. By rotating the tube body, the inner support slides to push out and retract the paste, allowing for the replacement of the paste part.

Benefits of technology

Reduces waste, saves costs, is easy to operate, ergonomic, and comfortable to use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223515910U_ABST
    Figure CN223515910U_ABST
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Abstract

The utility model provides a paste replacement tube which comprises a tube body, an upper cover is arranged at the top of the tube body, a base is arranged at the bottom of the tube body, and the tube body is provided with a replacement assembly detachably connected with the tube body. The replacement assembly comprises a neck buckle connected with the inner wall of the pipe body, a limiting barrel arranged next to the inner wall of the neck buckle and an inner support arranged in the limiting barrel and sliding up and down along the inner wall of the limiting barrel, paste is fixed to the upper portion of the inner support, and the lower portion of the inner support is connected with a lifting assembly controlling the inner support to move. According to the paste replacing pipe, after the paste is used up, the whole paste pipe does not need to be discarded, only the paste part needs to be replaced, and the paste replacing pipe is economical and practical.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the field of paste packaging, and particularly relates to a paste replacement tube. BACKGROUND

[0002] Cosmetics are products specially used on human body surface (such as skin, hair, nails and lips, etc.), aiming at cleaning, maintaining, beautifying and modifying appearance, which can be in liquid, powder or paste form, and are usually packaged in special containers. Semi-solid paste cosmetics such as lip balm, body cream and lipstick are popular among women. Lip balm is mainly used for moisturizing and protecting lips to prevent dryness and cracking; body cream is made of aroma components of aromatic plants, and has the characteristic of lasting fragrance; lipstick is used to increase or change the color of lips to achieve the effect of beautifying. These products are usually packed in slender paste tubes, and when used, the paste is raised or lowered by rotating the base to be applied or stored.

[0003] However, when the paste of these products is used up, ordinary consumers often cannot refill them for use, resulting in the whole paste tube being discarded, which has adverse effects on the environment. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a paste replacement tube, when the paste is used up, the whole paste tube does not need to be discarded, and only the paste part needs to be replaced, which is economical and practical.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A paste replacement tube comprises a tube body, an upper cover arranged at the top of the tube body, a base arranged at the bottom of the tube body, a replacement assembly detachably connected to the tube body, the replacement assembly comprising a neck buckle connected to the inner wall of the tube body, a limiting cylinder arranged next to the inner wall of the neck buckle, an inner holder arranged inside the limiting cylinder and sliding up and down along the inner wall of the limiting cylinder, a paste fixed above the inner holder, and a lifting assembly connected to the lower part of the inner holder and used for controlling the movement of the inner holder.

[0007] Further, the paste replacement tube is in an overall elliptical structure.

[0008] Further, the bottom end of the tube body is provided with a bottom plate, a through hole is formed in the bottom plate, a straight cylinder extending into the tube body and coaxially connected to the through hole is arranged on the through hole, a reinforcing rib is arranged between the straight cylinder and the inner wall of the tube body, the reinforcing rib is used for increasing the stability of the straight cylinder, a reverse buckle protruding into the straight cylinder is arranged at the bottom edge of the straight cylinder, the inner wall of the tube body above the straight cylinder is formed with a step protruding into the tube body, and the step is formed in the inner wall of the tube body in the long axis direction.

[0009] Further, the lower part of the neck buckle extends into the tube body, the upper part of the neck buckle extends out of the tube body, the lower edge of the neck buckle is provided with a plurality of buckles, the buckles are distributed on both sides of the long axis direction of the neck buckle, the buckle is a inclined protrusion provided on the outer surface of the neck buckle and extending outward, the neck buckle is pushed downward into the tube body until the top surface of the buckle abuts against the step inside the tube body, at this time, the inner support is just abutted against the top end of the lifting assembly, the top edge of the neck buckle forms a convex edge protruding towards the inside of the neck buckle.

[0010] Further, the outer wall of the limiting cylinder closely abuts against the inner wall of the neck buckle, the top edge of the limiting cylinder abuts against the convex edge of the top of the neck buckle, the length of the limiting cylinder is greater than the length of the neck buckle, for example, and the limiting cylinder can be made of paper waterproof and oil-proof material.

[0011] Further, the inner support is in the shape of a Chinese character 'ji', used for carrying the paste, and comprises a protruding part and an outer edge part arranged around the protruding part, the protruding part protrudes towards the inside of the limiting cylinder, the protruding part is used for increasing the contact surface area of the inner support with the paste, enhancing the adhesion of the paste to the inner support, so that the paste is more stable in the inner support and is prevented from displacement, and the outer edge of the outer edge part abuts against and slides along the inner wall of the limiting cylinder to push the paste out of or into the limiting cylinder.

[0012] Further, the lifting assembly comprises a tooth rod fixedly connected with the base, a tooth sleeve threadedly connected with the tooth rod, and a supporting block connected with the top end of the tooth sleeve and extending into the inner support, the tooth rod comprises a bottom disc fixedly connected with the base and a rod body integrally connected with the bottom disc, the rod body extends into the straight cylinder through a through hole, the rod body is provided with an external thread, and the bottom of the rod body forms an annular groove, the reverse buckle at the bottom of the straight cylinder is clamped into the annular groove, used for preventing the tube body from being separated from the rod body, the tooth sleeve is a hollow tubular structure, the lower part of the tooth sleeve is provided with an internal thread matched with the external thread of the rod body, the rod body and the tooth sleeve are arranged in the straight cylinder, the supporting block is arranged above the straight cylinder, the shape of the supporting block is consistent with that of the protruding part of the inner support, the protruding part of the inner support is clamped on the supporting block, the outer surface of the supporting block is provided with a convex rib, the convex rib enables the supporting block to be stably clamped on the protruding part of the inner support, and the supporting block is integrally formed with the tooth sleeve, for example. In specific application, when the paste needs to be used, the left hand holds the base, the right hand rotates the tube body, the replacement assembly rotates synchronously with the tube body, the inner support drives the supporting block and the tooth sleeve to rotate along the rod body, under the interaction of the internal thread of the tooth sleeve and the external thread of the tooth rod, the inner support moves upward while rotating synchronously with the limiting cylinder, and the paste is pushed out of the limiting cylinder, and when the paste needs to be put into the limiting cylinder, the tube body is reversely rotated.

[0013] The utility model discloses the beneficial effects of:

[0014] The utility model provides a kind of paste replacement tube, by the cooperation of the step in the inside of pipe body and the buckle on neck buckle, index finger and thumb inward extrude neck buckle, take out replacement component, insert new replacement component into pipe body, user can replace the paste used up with new paste, without purchasing entire product, save cost, reduce waste;By setting up several character type inner support, increase the contact surface area of inner support and paste, enhance the adhesion of paste and inner support, so that paste is more stable in inner support, prevent paste displacement;By the tooth bar, tooth cover and support block set, by rotating pipe body and driving replacement component rotation, under the interaction of the internal thread of tooth cover and the external thread of tooth bar, inner support moves up and down in limiting cylinder, push paste out or into limiting cylinder, simple and intuitive operation.The utility model provides a kind of paste replacement tube, compact overall design, convenient to carry and store, oval structure is not only beautiful, and it accords with ergonomics principle, comfortable when using. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall schematic diagram of the utility model's a kind of paste replacement tube.

[0016] Figure 2 It is the explosion view of the utility model's a kind of paste replacement tube.

[0017] Figure 3 It is the three-dimensional schematic diagram of pipe body.

[0018] Figure 4 It is the plan view of pipe body.

[0019] Figure 5 It is the sectional view of A-A direction in Figure 4 .

[0020] Figure 6 It is the schematic diagram of neck buckle.

[0021] Figure 7 It is the plan view of pipe body and base.

[0022] Figure 8 It is the sectional view of B-B direction in Figure 7 .

[0023] Figure 9 It is the sectional view of C-C direction in Figure 7 .

[0024] Figure 10 It is the connection schematic diagram of limiting cylinder and inner support.

[0025] Figure 11 It is the partial structure schematic diagram of pipe body inside.

[0026] REFERENCE SIGNS:

[0027] 1-tube body, 101-bottom plate, 102-straight cylinder, 103-stiffener, 104-inverted buckle, 105-step, 2-upper cover, 3-base, 4-neck buckle, 401-buckle, 402-convex edge, 5-limiting cylinder, 6-inner support, 601-protruding part, 602-outer edge part, 7-paste, 8-tooth rod, 801-bottom disc, 802-rod body, 803-annular groove, 804-external thread, 9-toothed sleeve, 901-internal thread, 10-supporting block, 1001-convex rib. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0029] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0030] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0032] As Figures 1-11As shown, a paste replacement tube comprises a tube body 1, the top of the tube body 1 is provided with an upper cover 2, the bottom of the tube body 1 is provided with a base 3, the tube body 1 is provided with a replacement assembly detachably connected thereto, the replacement assembly comprises a neck buckle 4 connected with the inner wall of the tube body 1, a limiting cylinder 5 arranged next to the inner wall of the neck buckle 4, an inner support 6 arranged inside the limiting cylinder 5 and sliding up and down along the inner wall of the limiting cylinder 5, a paste 7 fixed above the inner support 6, and a lifting assembly connected with the inner support 6 below for controlling the movement of the inner support 6.

[0033] As shown, Figure 1 the paste replacement tube as a whole is an elliptical structure.

[0034] As shown, Figure 2 , Figure 3 , Figure 4 , Figure 5 the bottom port of the tube body 1 is provided with a bottom plate 101, a through hole is opened on the bottom plate 101, a straight cylinder 102 extending into the inside of the tube body 1 and coaxially connected with the through hole is arranged on the through hole, a reinforcing rib 103 is arranged between the straight cylinder 102 and the inner wall of the tube body 1, the reinforcing rib 103 is used to increase the stability of the straight cylinder 102, the bottom edge of the straight cylinder 102 is provided with an inverted buckle 104 protruding into the inside of the straight cylinder 102, and the inner wall of the tube body 1 above the straight cylinder 102 is formed with a step 105 protruding into the inside of the tube body 1, the step 105 is formed on the inner wall of the tube body 1 in the long axis direction.

[0035] As shown, Figure 2 , Figure 6 , Figure 8 , Figure 9 the lower part of the neck buckle 4 extends into the tube body 1, the upper part of the neck buckle 4 extends out of the tube body 1, the lower edge of the neck buckle 4 is provided with a plurality of buckles 401, the buckles 401 are distributed on both sides of the neck buckle 4 in the long axis direction, the buckles 401 are inclined protrusions arranged on the outer surface of the neck buckle 4 and protruding outwardly from the neck buckle 4, the neck buckle 4 is pushed downwardly into the tube body 1 until the top surface of the buckle 401 abuts against the step 105 inside the tube body 1, at this time the inner support 6 just abuts against the top end of the lifting assembly, and the top edge of the neck buckle 4 is formed with a convex edge 402 protruding into the inside of the neck buckle 4.

[0036] As shown, Figure 2 , Figure 8 , Figure 9 , Figure 10 the outer wall of the limiting cylinder 5 closely abuts against the inner wall of the neck buckle 4, the top edge of the limiting cylinder 5 abuts against the convex edge 402 of the top of the neck buckle 4, the length of the limiting cylinder 5 is greater than the length of the neck buckle 4, for example, and the limiting cylinder 5 can be made of paper waterproof and oil-proof material, for example.

[0037] As shown, Figure 8 , Figure 9 , Figure 10As shown, the inner holder 6 is in the shape of a few characters, used to carry the paste 7, the inner holder 6 includes a convex part 601 and an outer edge part 602 arranged around the convex part 601, the convex part 601 protrudes to the inside of the limiting cylinder 5, the convex part 601 is used to increase the contact surface area of the inner holder 6 with the paste 7, to enhance the adhesion of the paste 7 with the inner holder 6, so that the paste 7 is more stable in the inner holder 6, preventing the paste 7 from shifting, the outer edge of the outer edge part 602 abuts and slides along the inner wall of the limiting cylinder 5, pushing the paste 7 out of or into the limiting cylinder 5.

[0038] As shown in Figure 2 , Figure 8 , Figure 9 , Figure 11 As shown, the lifting assembly includes a tooth bar 8 fixedly connected with the base 3, a tooth sleeve 9 threadedly connected on the tooth bar 8, and a support block 10 connected to the top end of the tooth sleeve 9 and extending into the inner holder 6, the tooth bar 8 includes a bottom disc 801 fixedly connected with the base 3 and a rod body 802 integrally connected with the bottom disc 801, the rod body 802 extends into the straight cylinder 102 through a through hole, the rod body 802 is provided with an external thread 804, the bottom of the rod body 802 forms an annular groove 803, the undercut 104 at the bottom of the straight cylinder 102 is clamped into the annular groove 803, used to prevent the pipe body 1 from being separated from the rod body 802, the tooth sleeve 9 is a hollow tubular structure, the lower part of the tooth sleeve 9 is provided with an internal thread 901 matched with the external thread 804 of the rod body 802, the rod body 802 and the tooth sleeve 9 are arranged in the straight cylinder 102, the support block 10 is arranged above the straight cylinder 102, the shape of the support block 10 is consistent with the shape of the convex part 601 of the inner holder 6, the convex part 601 of the inner holder 6 is clamped on the support block 10, the outer surface of the support block 10 is provided with a convex rib 1001, the convex rib 1001 enables the support block 10 to be stably clamped on the convex part 601 of the inner holder 6, and the support block 10 is, for example, integrally formed with the tooth sleeve 9. In specific applications, when the paste 7 needs to be used, the left hand holds the base 3, the right hand rotates the pipe body 1, the replacement assembly rotates synchronously with the pipe body 1, the inner holder 6 drives the support block 10 and the tooth sleeve 9 to rotate along the rod body 802, under the interaction of the internal thread 901 of the tooth sleeve 9 and the external thread 804 of the tooth bar 8, the inner holder 6 moves upward while rotating synchronously with the limiting cylinder 5, pushing the paste 7 out of the limiting cylinder 5, when the paste 7 needs to be put into the limiting cylinder 5, the pipe body 1 is rotated in the opposite direction.

[0039] When the paste 7 in the limiting cylinder 5 is used up, the index finger and the thumb are respectively placed on the neck buckle 4 in the long axis direction and press inwardly on the neck buckle 4 until the clamping buckle 401 is separated from the step 105, the replacement assembly is taken out by force, then a new replacement assembly containing the paste 7 is inserted into the pipe body 1 until the top surface of the clamping buckle 401 abuts against the step 105 of the pipe body 1, at this time the convex part 601 is clamped on the support block 10.

[0040] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A cartridge for replacing a paste, characterized by, It includes the pipe body (1), the top of the pipe body (1) is provided with the upper cover (2), the bottom of the pipe body (1) is provided with the base (3), the pipe body (1) is provided with the replaceable assembly detachably connected therewith, the replaceable assembly includes the neck buckle (4) connected with the inner wall of the pipe body (1), the limiting cylinder (5) provided next to the inner wall of the neck buckle (4), the inner support (6) provided in the limiting cylinder (5) and sliding along the inner wall of the limiting cylinder (5), the upper portion of the inner support (6) is fixed with the paste (7), and the lower portion of the inner support (6) is connected with the lifting assembly for controlling the movement of the inner support (6).

2. The cartridge refill of claim 1, wherein The paste replacement tube is in an overall elliptical structure.

3. The paste displacement tube according to claim 1 or 2, characterized in that The bottom port of the pipe body (1) is provided with the bottom plate (101), the bottom plate (101) is provided with a through hole, the through hole is provided with a straight cylinder (102) extending into the pipe body (1) and coaxially connected with the through hole, the straight cylinder (102) and the inner wall of the pipe body (1) are provided with a reinforcing rib (103), the reinforcing rib (103) is used for increasing the stability of the straight cylinder (102), the bottom edge of the straight cylinder (102) is provided with a reverse buckle (104) protruding into the straight cylinder (102), and the inner wall of the pipe body (1) above the straight cylinder (102) is formed with a step (105) protruding into the pipe body (1). The step (105) is formed on the inner wall of the pipe body (1) in the long axis direction.

4. The cartridge refill of claim 3, wherein, The lower portion of the neck buckle (4) extends into the pipe body (1), the upper portion of the neck buckle (4) extends out of the pipe body (1), the lower edge of the neck buckle (4) is provided with a plurality of buckles (401), the buckles (401) are distributed on both sides of the neck buckle (4) in the long axis direction, the buckle (401) is a inclined protruding block provided on the outer surface of the neck buckle (4) and protruding outwardly, and the top edge of the neck buckle (4) is formed with a convex edge (402) protruding into the neck buckle (4).

5. The cartridge refill of claim 4, wherein, The outer wall of the limiting cylinder (5) is close to the inner wall of the neck buckle (4), and the top edge of the limiting cylinder (5) abuts against the convex edge (402) of the top of the neck buckle (4).

6. The cartridge refill of claim 1, wherein The inner support (6) is in a U-shaped type and is used for carrying the paste (7), the inner support (6) includes a protruding portion (601) and an outer edge portion (602) arranged around the protruding portion (601), the protruding portion (601) protrudes into the limiting cylinder (5), the outer edge of the outer edge portion (602) abuts against and slides along the inner wall of the limiting cylinder (5), and the paste (7) is pushed out of or into the limiting cylinder (5).

7. The cartridge refill of claim 1, wherein The lifting assembly includes a tooth rod (8) fixedly connected with the base (3), a tooth sleeve (9) threadedly connected to the tooth rod (8), and a support block (10) connected to the top end of the tooth sleeve (9) and extending into the inner support (6).

8. The cartridge refill of claim 7, wherein, The tooth rod (8) includes a bottom disc (801) fixedly connected with the base (3) and a rod body (802) integrally connected with the bottom disc (801), the rod body (802) extends into the straight cylinder (102) through the through hole, the rod body (802) is provided with an external thread (804), the bottom of the rod body (802) is formed with an annular groove (803), and the reverse buckle (104) at the bottom of the straight cylinder (102) is clamped into the annular groove (803).

9. The cartridge refill of claim 8, wherein, The dental brace (9) is a hollow tubular structure, and the lower part of the dental brace (9) is provided with an inner thread (901) matched with the outer thread (804) of the rod body (802), and the rod body (802) and the dental brace (9) are arranged in the straight cylinder (102).

10. The cartridge refill of claim 9, wherein, The support block (10) is arranged above the straight cylinder (102), the shape of the support block (10) is consistent with the shape of the convex part (601) of the inner support (6), the convex part (601) of the inner support (6) is buckled on the support block (10), and the outer surface of the support block (10) is provided with a convex rib (1001).