Frost bottle with inner container convenient to replace
By introducing a lifting ejector device and a limiting groove slider design into the frost bottle, the slippage problem during inner liner removal is solved, enabling convenient replacement of the inner liner, reducing resource waste and improving user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI YUANBANG IND CO LTD
- Filing Date
- 2025-03-20
- Publication Date
- 2026-04-21
AI Technical Summary
The existing cream bottle liners are prone to slipping during disassembly, making liner replacement inconvenient and resulting in significant resource waste.
By incorporating a lifting ejection device within the frost bottle, and utilizing a rotating base and screw structure, the inner liner can be stably detached and installed. Combined with the design of a limiting groove and a slider, this ensures smooth replacement of the inner liner.
It enables quick replacement of the inner liner, reduces resource waste, and improves user experience and environmental friendliness.
Smart Images

Figure CN224140355U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cosmetic packaging bottle technology, specifically to a cream bottle with an easily replaceable inner liner. Background Technology
[0002] Currently, people are paying more and more attention to beauty, especially women who often need to apply makeup before going out. Cream jars are containers for storing creams. Most cream jars on the market are disposable. Once the cream inside is used up, the entire jar is discarded. Some cream jars are very expensive, and discarding them after a single use would result in a great deal of waste, increase user costs, and reduce user experience.
[0003] For example, a cream bottle with a replaceable inner liner disclosed in Chinese patent literature (publication number: CN217364945U) uses a slot and a clip to connect the inner liner and the outer bottle. This connection method allows only the inner liner to be replaced, making the replacement operation simple and allowing for multiple replacements. This greatly enhances the secondary use value of cosmetic packaging bottles, reduces replacement costs, improves user experience, and reduces environmental pressure.
[0004] However, in actual use, the overlap between the top edge of the inner liner and the bottle mouth is relatively thin. Therefore, when disassembling the inner liner by rotating it, the contact area of the inner liner is small, and some frost or grease will remain on the inner liner. This can cause slippage when rotating the inner liner, making it difficult to replace the inner liner quickly. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a frost bottle with an easy-to-replace inner liner. By rotating the base during the replacement of the inner liner, the lower end of the inner liner is lifted upwards, thereby detaching the inner liner from the bottle body for easy removal and replacement.
[0006] This utility model proposes a frost bottle with easy inner liner replacement, comprising a bottle body, a cap body, and an inner liner. The inner liner is inserted into the inside of the bottle body. The upper outer surface of the bottle body is threadedly connected to the inner wall of the cap body. A cross-shaped limiting groove is formed on the lower surface of the inner liner. An annular sliding groove is formed on the lower surface of the bottle body. An arc-shaped slider distributed in a circular array is slidably connected to the inner wall of the annular sliding groove. A rotating base is fixedly connected to the lower surface of each of the multiple arc-shaped sliders. The upper surface of the rotating base is in contact with the lower surface of the bottle body.
[0007] The inner bottom wall of the rotating base is provided with a lifting and ejection device, and the lifting and ejection device includes a screw, one end of which is fixedly connected to the inner bottom wall of the rotating base.
[0008] Preferably, the other end of the screw passes through and extends into the interior of the bottle, and a threaded sleeve is threadedly connected to the outer surface of the screw.
[0009] Preferably, the outer surface of the threaded sleeve is fixedly connected with symmetrically distributed guide blocks, and the inner wall of the guide blocks is movably sleeved with guide rods, one end of each of the two guide rods being fixedly connected to the inner bottom wall of the bottle.
[0010] Preferably, a stop block is fixedly connected to the other end of the guide rod, a support plate is fixedly connected to the upper surface of the threaded sleeve, and a cross-shaped limiting block is fixedly connected to the upper surface of the support plate.
[0011] Preferably, the outer surface of the cross-shaped limiting block is movably inserted into the inner wall of the cross-shaped limiting groove, the upper surface of the support tray is in contact with the lower surface of the inner liner, and a pull-out cover is provided at the upper end of the inner liner.
[0012] Preferably, a pull pad is fixedly connected to the inner bottom wall of the pull cover, and a compression pad is fixedly connected to the inner top wall of the cover.
[0013] Preferably, the lower surface of the compression pad contacts the upper surface of the pull-out cover, and the outer surface of the rotating base is provided with annularly distributed anti-slip grooves.
[0014] The beneficial effects of this utility model are reflected in:
[0015] By setting up a lifting and ejecting device, the lower end of the inner liner can be lifted upwards by rotating the base when changing the inner liner, thereby detaching the inner liner from the bottle body for quick replacement. Attached Figure Description
[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0017] Figure 1 A front view of a frost bottle that facilitates inner liner replacement, provided by this utility model;
[0018] Figure 2 for Figure 1 A three-dimensional diagram of the cap structure of a frost bottle that facilitates inner liner replacement is shown.
[0019] Figure 3 for Figure 1 A three-dimensional diagram of the bottle structure of a cream bottle that facilitates inner liner replacement is shown.
[0020] Figure 4 for Figure 1 An exploded view of the inner liner structure of a frost bottle that allows for easy replacement of the inner liner is shown.
[0021] Figure 5 for Figure 1 The diagram shows a three-dimensional representation of a screw structure for a frost bottle that facilitates inner liner replacement.
[0022] In the attached diagram: 1. Bottle body; 2. Cap; 3. Inner liner; 4. Cross-shaped limiting groove; 5. Annular slide groove; 6. Arc-shaped slider; 7. Rotating base; 8. Screw; 81. Threaded sleeve; 82. Guide block; 83. Guide rod; 84. Stop block; 85. Support tray; 86. Cross-shaped limiting block; 87. Pull-out cap; 88. Pull-out pad; 89. Squeeze pad; 810. Anti-slip groove. Detailed Implementation
[0023] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.
[0024] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
[0025] Reference Figure 1-5 A frost bottle with easy inner liner replacement includes a bottle body 1, a cap 2 and an inner liner 3. The inner liner 3 is inserted into the inside of the bottle body 1. The upper outer surface of the bottle body 1 is threaded to the inner wall of the cap 2. A cross-shaped limiting groove 4 is provided on the lower surface of the inner liner 3. An annular sliding groove 5 is provided on the lower surface of the bottle body 1. An arc-shaped slider 6 distributed in an annular array is slidably connected to the inner wall of the annular sliding groove 5. A rotating base 7 is fixedly connected to the lower surface of each of the multiple arc-shaped sliders 6. The upper surface of the rotating base 7 is in contact with the lower surface of the bottle body 1.
[0026] The inner bottom wall of the rotating base 7 is provided with a lifting and ejecting device, and the lifting and ejecting device includes a screw 8, one end of which is fixedly connected to the inner bottom wall of the rotating base 7.
[0027] The other end of the screw 8 penetrates and extends into the interior of the bottle body 1. A threaded sleeve 81 is threadedly connected to the outer surface of the screw 8. A guide block 82 is fixedly connected to the outer surface of the threaded sleeve 81 in a symmetrical arrangement. A guide rod 83 is movably sleeved on the inner wall of the guide block 82. The cooperation between the guide block 82 and the guide rod 83 serves to limit the rotation of the threaded sleeve 81, preventing it from rotating synchronously with the screw 8, thereby achieving lifting and lowering movement. One end of each guide rod 83 is fixedly connected to the inner bottom wall of the bottle body 1. A stop block 84 is fixedly connected to the other end of the guide rod 83. The stop block 84, through its cooperation with the guide block 82, limits the upward stroke of the threaded sleeve 81, preventing it from disengaging. A support tray 85 is fixedly connected to the upper surface of the threaded sleeve 81. A cross-shaped limit block 86 is fixedly connected to the upper surface of the support tray 85.
[0028] The outer surface of the cross-shaped limiting block 86 is movably inserted into the inner wall of the cross-shaped limiting groove 4. The upper surface of the support tray 85 contacts the lower surface of the inner liner 3. The insertion and engagement of the cross-shaped limiting block 86 and the cross-shaped limiting groove 4 prevents the inner liner 3 from rotating after installation. A pull-out cover 87 is provided at the upper end of the inner liner 3. The pull-out cover 87 can be made of PE material with moderate softness and hardness, which facilitates sealing with the inner liner 3. A pull-out pad 88 is fixedly connected to the inner bottom wall of the pull-out cover 87. The pull-out pad 88 facilitates the removal of the pull-out cover 87. A compression pad 89 is fixedly connected to the inner top wall of the cover 2. The compression pad 89 limits the pull-out cover 87 and prevents it from falling off. The lower surface of the compression pad 89 contacts the upper surface of the pull-out cover 87. The outer surface of the rotating base 7 is provided with annularly distributed anti-slip grooves 810. The anti-slip grooves 810 increase the friction of the rotating base 7, thereby preventing slippage during rotation.
[0029] By setting up a lifting and ejecting device, when replacing the inner liner 3, the lower end of the inner liner 3 is lifted by rotating the base 7, thereby detaching the inner liner 3 from the bottle body 1 for quick replacement.
[0030] Working principle: Step 1, when using, rotate the cap 2 to separate it from the bottle 1, so that the squeezing pad 89 is released from the limit of the pull cap 87. Then, use the pull pad 88 to remove the pull cap 87 from the inner liner 3 for use. When the cream in the inner liner 3 is used up, hold the bottle 1 with one hand and rotate the rotating base 7 clockwise with the other hand. The rotating base 7 drives the screw 8 to rotate stably through the cooperation of the annular slide groove 5 and the arc-shaped slider 6. The rotation of the screw 8 drives the threaded sleeve 81 to move upward through the guide block 82 and the guide rod 83. The upward movement of the threaded sleeve 81 drives the upper end of the inner liner 3 to push out of the bottle 1 through the support tray 85, so as to facilitate the removal of the inner liner 3.
[0031] Step two, when replacing the inner liner 3, first hold the rotating base 7 and rotate it counterclockwise. This will cause the screw 8 to rotate and drive the threaded sleeve 81 to move downwards. The downward movement of the threaded sleeve 81 will drive the support tray 85 to move downwards. Then, insert the inner liner 3 through the upper end of the bottle body 1. After insertion, rotate the inner liner 3 so that its cross-shaped limiting groove 4 matches the cross-shaped limiting block 86 and then press down to limit the insertion, thereby preventing the inner liner 3 from rotating during use.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
Claims
1. A cream bottle facilitating replacement of an inner container, comprising a bottle body (1), a cover body (2) and an inner container (3), characterized in that: The inner liner (3) is inserted into the inside of the bottle body (1). The upper outer surface of the bottle body (1) is threaded to the inner wall of the cap (2). The lower surface of the inner liner (3) is provided with a cross-shaped limiting groove (4). The lower surface of the bottle body (1) is provided with an annular sliding groove (5). The inner wall of the annular sliding groove (5) is slidably connected with an arc-shaped slider (6) arranged in an annular array. The lower surfaces of the multiple arc-shaped sliders (6) are fixedly connected with a rotating base (7). The upper surface of the rotating base (7) is in contact with the lower surface of the bottle body (1). The inner bottom wall of the rotating base (7) is provided with a lifting and ejecting device, and the lifting and ejecting device includes a screw (8), one end of which is fixedly connected to the inner bottom wall of the rotating base (7).
2. The creamer with liner replacement convenience according to claim 1, characterized in that: The other end of the screw (8) passes through and extends into the interior of the bottle body (1), and a threaded sleeve (81) is threadedly connected to the outer surface of the screw (8).
3. The creamer with the inner container convenient to replace according to claim 2, characterized in that: The outer surface of the threaded sleeve (81) is fixedly connected with symmetrically distributed guide blocks (82), and the inner wall of the guide block (82) is movably sleeved with guide rods (83), one end of each of the two guide rods (83) is fixedly connected to the inner bottom wall of the bottle body (1).
4. The creamer with the inner container convenient to replace according to claim 3, characterized in that: The other end of the guide rod (83) is fixedly connected to a stop block (84), the upper surface of the threaded sleeve (81) is fixedly connected to a support plate (85), and the upper surface of the support plate (85) is fixedly connected to a cross-shaped limiting block (86).
5. The creamer with the inner container convenient to replace according to claim 4, characterized in that: The outer surface of the cross-shaped limiting block (86) is movably inserted into the inner wall of the cross-shaped limiting groove (4), the upper surface of the tray (85) is in contact with the lower surface of the inner liner (3), and the upper end of the inner liner (3) is provided with a pull-out cover (87).
6. The creamer with the inner container convenient to replace according to claim 5, characterized in that: The inner bottom wall of the pull cover (87) is fixedly connected to a pull pad (88), and the inner top wall of the cover (2) is fixedly connected to a compression pad (89).
7. A frost bottle with easily replaceable inner liner according to claim 6, characterized in that: The lower surface of the compression pad (89) contacts the upper surface of the pull cover (87), and the outer surface of the rotating base (7) is provided with annularly distributed anti-slip grooves (810).
Citation Information
Patent Citations
Cream bottle with replaceable inner container
CN217364945U