Container with rotary replaceable inner container

Abstract

The container comprises a cover assembly and a bottle assembly, the bottle assembly comprises an outer bottle, a middle sleeve, a base and the inner container, the cover assembly is in threaded connection with the upper end of the outer bottle, a movable opening is formed in the lower end of the outer bottle, the upper end of the base is rotatably connected with the outer bottle in a buckled mode, an inner threaded pipe is fixedly connected to the base, and the inner threaded pipe is connected with the middle sleeve. A supporting groove is formed in the upper end of the middle sleeve, the lower end of the inner container is inserted into the supporting groove and is in interference fit with the middle sleeve, and an outer threaded pipe is arranged at the lower end of the middle sleeve, located in the inner threaded pipe and in threaded fit with the inner threaded pipe. According to the container with the rotary replaceable inner container, due to the design of the rotary replaceable inner container, a user can conveniently and easily replace the inner container as needed, different use scenes can be met, the overall service life of the container is prolonged, and cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of container technology, specifically relating to a container with a rotating replaceable inner liner. Background Technology

[0002] Traditional cosmetics and other industries often use containers with fixed inner liners. When the inner liner is damaged, stains are difficult to clean, or a different material is needed to accommodate different items, users are often helpless and have to replace the entire container, resulting in resource waste and increased costs. To solve these problems, replaceable containers have emerged. Replaceable containers offer advantages such as affordability, environmental friendliness, energy efficiency, hygiene, and the ability to meet personalized needs. However, existing replaceable containers suffer from poor stability in component connections during assembly and use, complex replacement procedures, and a poor user experience. Utility Model Content

[0003] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a container with a rotating replaceable inner liner, including a cap assembly and a bottle assembly. The bottle assembly includes an outer bottle, a middle sleeve, a base, and an inner liner. The cap assembly is threadedly connected to the upper end of the outer bottle. The lower end of the outer bottle is provided with an movable opening for the upper end of the base to be inserted. The upper end of the base is rotatably fastened to the outer bottle. An internally threaded tube is fixedly connected to the base. The middle sleeve and the inner liner are both located inside the outer bottle. The upper end of the middle sleeve is provided with a groove. The lower end of the inner liner is inserted into the groove and is interference-fitted with the middle sleeve. The lower end of the middle sleeve is provided with an externally threaded tube, which is located in the internally threaded tube and is threadedly engaged with the internally threaded tube.

[0004] As a preferred embodiment of the above technical solution, the base is provided with an annular limiting groove, and the inner side of the outer bottle is provided with a plurality of arc-shaped limiting strips, the arc-shaped limiting strips being located in the annular limiting groove.

[0005] As a preferred embodiment of the above technical solution, the two sides of the middle sleeve are respectively provided with limiting protrusions, and the inner side of the outer bottle is provided with several lifting limiting grooves. The limiting protrusions correspond one-to-one with the lifting limiting grooves, and the limiting protrusions are located in the corresponding lifting limiting grooves.

[0006] As a preferred embodiment of the above technical solution, the height of the lifting and limiting groove is less than the engagement length of the external threaded pipe and the internal threaded pipe.

[0007] As a preferred embodiment of the above technical solution, the outer side of the lower end of the base is covered with anti-slip grooves.

[0008] As a preferred embodiment of the above technical solution, the bracket is provided with several vertical ribs around its perimeter.

[0009] As a preferred embodiment of the above technical solution, the upper end of the inner liner has a support ring formed by folding outwards, and the support ring is placed at the upper end of the outer bottle.

[0010] As a preferred embodiment of the above technical solution, the cap assembly includes an outer cap and an inner cap, the inner cap being located inside the outer cap and fastened to the outer cap, and the inner side of the inner cap being provided with an internal thread for threaded connection with the upper end of the outer bottle.

[0011] As a preferred embodiment of the above technical solution, the cover assembly further includes a clamping plate and a pull pad, which are located inside the inner cover.

[0012] The beneficial effects of this utility model are as follows: The container with a rotating replaceable inner liner allows users to easily replace the inner liner when needed, meeting different usage scenarios, extending the overall service life of the container, and reducing costs. The rotatable fastening and related limiting designs between the base and the outer bottle ensure a stable connection and prevent accidental separation. The limiting structure between the middle sleeve and the outer bottle ensures that the middle sleeve drives the inner liner to move smoothly up and down. The anti-slip groove design facilitates the rotation of the base, increases hand stability, and prevents slippage. The lid assembly design makes opening and closing simple and convenient. In addition, the vertical ribs of the support groove enhance the tight fit of the inner liner, and the synergistic effect of all components greatly improves the practicality of the container and the user experience. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of this utility model;

[0014] Figure 2 This is a cross-sectional structural diagram of the present invention from another angle;

[0015] Figure 3 This is a schematic diagram of the internal structure of the outer bottle;

[0016] Figure 4 This is a structural diagram of the base;

[0017] Figure 5 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] like Figure 1-5 As shown, a container with a rotating replaceable inner liner is characterized by comprising a cap assembly and a bottle assembly. The bottle assembly includes an outer bottle 1, a middle sleeve 2, a base 3, and an inner liner 4. The cap assembly is threadedly connected to the upper end of the outer bottle 1. The lower end of the outer bottle 1 has a movable opening 5 for the upper end of the base 3 to be inserted into. The upper end of the base 3 is rotatably fastened to the outer bottle 1. An internally threaded tube 6 is fixedly connected to the base 3. The middle sleeve 2 and the inner liner 4 are both located inside the outer bottle 1. The upper end of the middle sleeve 2 has a groove 7, and the lower end of the inner liner 4 is inserted into the groove 7 and has an interference fit with the middle sleeve 2. The lower end of the middle sleeve 2 has an externally threaded tube 8, which is located in the internally threaded tube 6 and threadedly engaged with it. By holding the outer bottle 1 and rotating the base 3, the middle sleeve 2 moves upward, and the inner liner 4 moves upward together, exposing a pull-out space for the inner liner 4. Then, by holding the two edges of the inner liner 4, the inner liner 4 can be gently pulled out upward. Replace the inner liner 4 with a new one filled with product. Hold the two edges of the inner liner 4 and insert it downwards. Hold the outer bottle 1 and rotate the base 3 in the opposite direction to move the middle sleeve 2 downwards. At the same time, the inner liner 4 moves downwards together, causing the inner liner 4 to be assembled in place. When selling products, multiple inner liners 4 can be provided at the same time, or individual inner liners 4 filled with product can be sold. The inner liner 4 is sealed with aluminum foil. When replacement is needed, tear off the aluminum foil.

[0022] The base 3 is provided with an annular limiting groove 10, and the inner side of the outer bottle 1 is provided with a plurality of arc-shaped limiting strips 11, which are located in the annular limiting groove 10. The arc-shaped limiting strips 11 cooperate with the annular limiting groove 10, so that the base 3 can only rotate relative to the outer bottle 1, preventing the base 3 from detaching from the outer bottle 1.

[0023] The inner sleeve 2 has limiting protrusions 12 on both sides, and the inner side of the outer bottle 1 has several lifting limiting grooves 13. The limiting protrusions 12 correspond one-to-one with the lifting limiting grooves 13, and the limiting protrusions 12 are located in the corresponding lifting limiting grooves 13. The limiting protrusions 12 and the lifting limiting grooves 13 cooperate to make the movement of the inner sleeve 2 relative to the outer bottle 1 smoother, ensuring that the inner sleeve 2 only moves up and down relative to the outer bottle 1.

[0024] The height of the lifting limit groove 13 is less than the engagement length of the external threaded tube 8 and the internal threaded tube 6. This ensures that the middle sleeve 2 and the base 3 will not separate during movement, and the base 3 can rotate smoothly in the opposite direction, driving the middle sleeve 2 to rotate the replaced inner liner 4 back to the original state of the bottle assembly.

[0025] The outer side of the lower end of the base 3 is covered with anti-slip grooves 14. The anti-slip grooves 14 increase the friction of the base 3, making it easier to rotate the base 3.

[0026] The bracket 7 is provided with several vertical ribs 15 around its perimeter. The vertical ribs 15 form a tight fit with the inner liner 4 inside the bracket 7, which can fix the inner liner 4 and facilitate the removal of the inner liner 4 from the bracket 7 for replacement.

[0027] The upper end of the inner liner 4 has an outwardly folded support ring 16, which is positioned above the outer bottle 1. The support ring 16 restricts the position of the inner liner 4.

[0028] The cap assembly includes an outer cap 17 and an inner cap 18. The inner cap 18 is located inside the outer cap 17 and is fastened to the outer cap 17. The inner side of the inner cap 18 is provided with an internal thread for threaded connection with the upper end of the outer bottle 1.

[0029] The cap assembly also includes a clamping tab 19 and a pull pad 20, which are located inside the inner cap 18. After opening the cap assembly, the clamping tab 19 detaches from the bottle assembly along with the cap assembly. Pulling the pull pad 20 then allows access to the product in the inner liner 4. The clamping tab 19 and pull pad 20 further enhance the container's seal.

[0030] It is worth mentioning that the threaded connection, snap-fit ​​and other technical features involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial arrangement of these technical features can be adopted by conventional choices in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated in detail.

[0031] The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and variations based on the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experimentation on the basis of the prior art should be within the scope of protection defined by the claims.

Claims

1. A container having a spin-replaceable liner, characterized by, The application relates to a bottle with a cover assembly and a bottle assembly, the bottle assembly comprising an outer bottle (1), a middle sleeve (2), a base (3) and an inner container (4), the cover assembly being threadedly connected to the upper end of the outer bottle (1), the lower end of the outer bottle (1) being provided with a movable opening (5) for inserting the upper end of the base (3), the upper end of the base (3) being rotatably buckled to the outer bottle (1), a female threaded pipe (6) being fixedly connected to the upper end of the base (3), the middle sleeve (2) and the inner container (4) being located inside the outer bottle (1), the upper end of the middle sleeve (2) being provided with a supporting groove (7), the lower end of the inner container (4) being inserted into the supporting groove (7) and being in interference fit with the middle sleeve (2), the lower end of the middle sleeve (2) being provided with a male threaded pipe (8), the male threaded pipe (8) being located in the female threaded pipe (6) and being in threaded fit with the female threaded pipe (6).

2. The container with a rotating replacement liner of claim 1, wherein, The base (3) is provided with an annular limiting groove (10), and the inner side of the outer bottle (1) is provided with a plurality of arc-shaped limiting strips (11), which are located in the annular limiting groove (10).

3. The container with a spin-replaceable liner according to claim 1, wherein, The two sides of the middle sleeve (2) are respectively provided with limiting protrusions (12), and the inner side of the outer bottle (1) is provided with a plurality of lifting limiting grooves (13), the limiting protrusions (12) and the lifting limiting grooves (13) corresponding to each other, and the limiting protrusions (12) being located in the corresponding lifting limiting grooves (13).

4. The container with a spin-replaceable inner bag according to claim 3, wherein The height of the lifting limiting groove (13) is smaller than the screwing length of the male threaded pipe (8) and the female threaded pipe (6).

5. The container with a spin-replaceable liner according to claim 1, wherein, The outer side of the lower end of the base (3) is covered with anti-skid grooves (14).

6. The container with a spin-and-replace liner of claim 1, wherein, The supporting groove (7) is provided with a plurality of vertical ribs (15) around the supporting groove (7).

7. The container with a spin-and-replace liner of claim 1, wherein, The upper end of the inner container (4) is provided with a support ring (16) which is outwardly folded, and the support ring (16) is located at the upper end of the outer bottle (1).

8. The container with a spin-and-replace liner of claim 1, wherein, The cover assembly comprises an outer cover (17) and an inner cover (18), the inner cover (18) being located inside the outer cover (17) and being buckled to the outer cover (17), and the inner side of the inner cover (18) being provided with an inner thread for threadedly connecting to the upper end of the outer bottle (1).

9. The container with a spin-replaceable inner bag according to claim 8, characterized in that, The cover assembly further comprises a pressing sheet (19) and a hand-pulling gasket (20), and the pressing sheet (19) and the hand-pulling gasket (20) are located inside the inner cover (18).

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