Cosmetic container

Abstract

A cosmetic container, comprising a cover assembly (100), an inner container assembly (200), and a bottom assembly (300). The bottom assembly (300) is configured to store cosmetic materials, the inner container assembly (200) is mounted in the bottom assembly (300), the cover assembly (100) is connected to the bottom assembly (300), and the cover assembly (100) covers the bottom assembly (300). The inner container assembly (200) comprises an inner cover (210) and a middle ring (220); a sealing ring (230) is fixedly arranged on the inner cover (210), and the inner cover (210) airtightly covers the middle ring (220) by means of the sealing ring (230); a first bottom surface (231) and a side surface (232) are provided on the sealing ring (230); the first bottom surface (231) comprises a flat surface, and the side surface (232) comprises a twisted surface; and the side surface (232) is airtightly fitted against the inner side wall of the middle ring (220). By means of a reduction in components, a compact overall structure is achieved, and the weight is reduced.

Description

Cosmetic container TECHNICAL FIELD

[0001] The present application relates to the cosmetic packaging technology, in particular to a cosmetic container. BACKGROUND

[0002] The existing cosmetic container includes an inner container assembly and an outer shell assembly, the inner container assembly includes an inner cover, a middle ring and a material loading plate, the outer shell assembly includes an outer cover, an outer bottom and an inner bottom, in order to ensure the capacity of the inner container assembly and the strength of the whole container, the size of the inner container assembly and the outer shell assembly is usually designed to be larger, and the components of the inner container assembly and the outer shell assembly are also more, therefore, the whole cosmetic container is bulky, which cannot meet the needs of consumers for the cosmetic container.

[0003] CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned defects, the present application provides a cosmetic container, which realizes the compactness of the overall structure of the product by reducing the components, reduces the weight of the product, and thus meets the use needs of users for the mini cosmetic container.

[0005] The technical scheme adopted by the present application to solve the technical problems is:

[0006] A cosmetic container, comprising a cover assembly, an inner container assembly and a bottom assembly, the bottom assembly is used for storing cosmetic materials, the inner container assembly is installed in the bottom assembly, the cover assembly is connected to the bottom assembly, and the cover assembly covers the bottom assembly, the inner container assembly comprises an inner cover and a middle ring, a sealing ring is fixedly arranged on the inner cover, the inner cover is airtightly covered on the middle ring through the sealing ring, a first bottom surface and a side surface are arranged on the sealing ring, the first bottom surface comprises a flat surface, the side surface comprises a twisted surface, and the side surface is airtightly attached to the inner side wall of the middle ring.

[0007] Optionally, the bottom assembly comprises an outer bottom and a material loading plate, the material loading plate is used for storing cosmetic materials, the middle ring is fixedly sleeved on the material loading plate, and the middle ring is installed in the outer bottom.

[0008] Optionally, the outer bottom and the material loading plate are in a split structure, the middle ring is detachably installed in the outer bottom; or, the outer bottom and the material loading plate are integrally formed, and the middle ring is fixedly installed in the outer bottom.

[0009] Optionally, the material loading plate and the middle ring are in interference fit, and the material loading plate is fixedly installed on the middle ring through a clamping assembly.

[0010] Optionally, the outer diameter of the cover assembly is D1, the outer diameter of the inner container assembly is D2, and the outer diameter of the bottom assembly is D3, wherein 40mm≤D1≤60mm, D1>D2, and D1≥D3.

[0011] Optionally, the inner cover is provided with a second bottom surface, the first bottom surface is flush with the second bottom surface, the sealing ring is located at the lower end surface of the inner cover, and the inner cover and the sealing ring are integrally formed by two-color injection molding.

[0012] Optionally, the inner side wall of the middle ring extends radially inward by one annular rib, and the annular rib is embedded in the side surface of the sealing ring.

[0013] Optionally, the cover assembly comprises an outer cover, or the cover assembly comprises an outer cover and a top sheet, and the top sheet is fixedly attached to the top surface of the outer cover.

[0014] Optionally, the outer cover is hingedly connected to the bottom assembly by a first hinge assembly, and the outer cover and the bottom assembly are fixedly connected by a snap-fit assembly, and the inner cover is hingedly connected to the middle ring by a second hinge assembly.

[0015] Optionally, the snap-fit assembly comprises a first buckle and a second buckle, the outer cover is provided with a protrusion, the protrusion is provided with the first buckle, the outer bottom is provided with a spring sheet, the spring sheet is provided with the second buckle, and the first buckle and the second buckle are snap-fitted to fixedly connect the outer cover and the outer bottom.

[0016] Optionally, the inner side wall of the middle ring extends radially inward to form a support ring, the middle ring comprises a first joint and a second joint, the first joint and the second joint are located on the two sides of the support ring respectively, the sealing ring is airtightly attached to the first joint, and the bottom assembly is installed on the second joint.

[0017] The application has the following beneficial effects: the application comprises a cover assembly, an inner cover, a middle ring, and a bottom assembly, has fewer components, a compact structure, is convenient to carry, and reduces the manufacturing cost of the product; the inner cover is fixedly provided with a sealing ring, the sealing ring can achieve the airtight effect of the bottom assembly, and the service life of the cosmetic material is prolonged; the first bottom surface of the sealing ring is designed as a flat surface, and the side surface of the sealing ring is designed as a cylindrical surface or a conical surface, which facilitates the molding of the sealing ring. On the basis of reducing the overall size of the cosmetic container, the application meets the user's demand for a mini cosmetic container while achieving the airtight requirement of the container. BRIEF DESCRIPTION OF DRAWINGS

[0018] FIG. 1 is a structural schematic view of a cosmetic container according to an embodiment of the application;

[0019] FIG. 2 is an enlarged view of A in FIG. 1;

[0020] Fig. 3 is a second structural schematic diagram of the cosmetic container in Embodiment 1 of the present application;

[0021] Fig. 4 is a third structural schematic diagram of the cosmetic container in Embodiment 1 of the present application;

[0022] Fig. 5 is a fourth structural schematic diagram of the cosmetic container in Embodiment 1 of the present application;

[0023] Fig. 6 is a first exploded view of the cosmetic container in Embodiment 1 of the present application;

[0024] Fig. 7 is a second exploded view of the cosmetic container in Embodiment 1 of the present application;

[0025] Fig. 8 is a structural schematic diagram of the outer cover in Embodiment 1 of the present application;

[0026] Fig. 9 is a structural schematic diagram of the inner cover in Embodiment 1 of the present application;

[0027] Fig. 10 is a first structural schematic diagram of the middle ring in Embodiment 1 of the present application;

[0028] Fig. 11 is a second structural schematic diagram of the middle ring in Embodiment 1 of the present application;

[0029] Fig. 12 is a structural schematic diagram of the outer bottom in Embodiment 1 of the present application;

[0030] Fig. 13 is a first structural schematic diagram of the cosmetic container in Embodiment 2 of the present application;

[0031] Fig. 14 is a second structural schematic diagram of the cosmetic container in Embodiment 2 of the present application;

[0032] Fig. 15 is a third structural schematic diagram of the cosmetic container in Embodiment 2 of the present application;

[0033] Fig. 16 is a fourth structural schematic diagram of the cosmetic container in Embodiment 2 of the present application;

[0034] Fig. 17 is a first exploded view of the cosmetic container in Embodiment 2 of the present application;

[0035] Fig. 18 is a second exploded view of the cosmetic container in Embodiment 2 of the present application;

[0036] Fig. 19 is a first structural schematic diagram of the cosmetic container in Embodiment 3 of the present application;

[0037] Fig. 20 is a second structural schematic diagram of the cosmetic container in Embodiment 3 of the present application;

[0038] Fig. 21 is a third structural schematic diagram of the cosmetic container in Embodiment 3 of the present application;

[0039] Fig. 22 is a fourth structural schematic diagram of the cosmetic container in Embodiment 3 of the present application;

[0040] Fig. 23 is an exploded view of the cosmetic container of Embodiment 3 of the present application;

[0041] Fig. 24 is another exploded view of the cosmetic container of Embodiment 3 of the present application;

[0042] Fig. 25 is a structural schematic view of the cosmetic container of Embodiment 4 of the present application;

[0043] Fig. 26 is another structural schematic view of the cosmetic container of Embodiment 4 of the present application;

[0044] Fig. 27 is a further structural schematic view of the cosmetic container of Embodiment 4 of the present application;

[0045] Fig. 28 is a still further structural schematic view of the cosmetic container of Embodiment 4 of the present application;

[0046] Fig. 29 is an exploded view of the cosmetic container of Embodiment 4 of the present application;

[0047] Fig. 30 is another exploded view of the cosmetic container of Embodiment 4 of the present application;

[0048] In the figures: 100 - cover assembly, 110 - outer cover, 111 - first hinge, 112 - protrusion, 113 - first catch, 120 - lens, 130 - top sheet,

[0049] 200 - inner container assembly, 210 - inner cover, 211 - second hinge, 212 - protrusion, 213 - second bottom surface, 220 - middle ring, 221 - first coupling portion, 222 - support ring, 223 - second coupling portion, 224 - annular protrusion, 225 - first hook, 226 - third hinge, 227 - second hinge shaft, 230 - sealing ring, 231 - first bottom surface, 232 - side surface, 240 - mesh fabric,

[0050] 300 - bottom assembly, 310 - outer bottom, 311 - hinge hole, 312 - spring, 313 - second catch, 314 - first hinge shaft, 320 - carrier disc, 321 - second hook. DETAILED DESCRIPTION

[0051] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0052] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," or "includes" and / or "including" when used herein, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

[0053] Spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device described is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Well-known functions or constructions can not be described in detail for brevity.

[0054] Embodiment 1: As shown in FIGS. 1-12, a cosmetic container includes a cover assembly 100, an inner container assembly 200, and a bottom assembly 300, the bottom assembly 300 is used to store cosmetic materials, the inner container assembly 200 is installed in the bottom assembly 300, the cover assembly 100 is connected to the bottom assembly 300, and the cover assembly 100 is covered on the bottom assembly 300, the inner container assembly 200 includes an inner cover 210 and a middle ring 220, the inner cover 210 is fixedly provided with a sealing ring 230, the inner cover 210 is airtightly covered on the middle ring 220 through the sealing ring 230, the sealing ring 230 is provided with a first bottom surface 231 and a side surface 232, the first bottom surface 231 includes a flat surface, and the side surface 232 includes a twisted surface, and the side surface 232 is airtightly attached to an inner side wall of the middle ring 220.

[0055] Optionally, the twisted surface comprises a cylindrical surface or a conical surface. The side surface of the sealing ring 230 is designed as a cylindrical surface or a conical surface so as to be tightly fitted with the inner side wall of the middle ring 220. Optionally, the sealing ring 230 is an annular structure with upper and lower openings, and the longitudinal section of the first bottom surface 231 and the side surface 232 of the sealing ring 230 is a straight line. The longitudinal section refers to a section passing through the central axis of the inner cover 210.

[0056] The present application comprises the cover assembly 100, the inner cover 210, the middle ring 220 and the bottom assembly 300, the bottom assembly 300 stores the powder cosmetic material, and the middle ring 220 is installed in the bottom assembly 300. Optionally, the middle ring 220 is welded with the mesh cloth 240. The inner cover 210 is tightly fitted with the middle ring 220 by the sealing ring 230 to seal the bottom assembly 300, thereby effectively preventing the external air from entering the bottom assembly 300 to cause the pollution and deterioration of the cosmetic material, and prolonging the service life of the cosmetic material.

[0057] Optionally, the inner cover 210 stores the powder puff, and the user dips the cosmetic material by the powder puff to complete the makeup process. The cover assembly 100 comprises the outer cover 110, the outer cover 110 is connected to the bottom assembly 300, and the outer cover 110 is fitted on the inner cover 210 to form a closed cosmetic container.

[0058] The present application comprises the cover assembly 100, the inner cover 210, the middle ring 220 and the bottom assembly 300, the components are few, the structure is compact, the carrying is convenient, and the manufacturing cost of the product is reduced; the sealing ring 230 is fixedly arranged on the inner cover 210, the sealing ring 230 can achieve the airtight effect of the bottom assembly 300, and the service life of the cosmetic material is prolonged; the first bottom surface 231 of the sealing ring 230 is designed as a plane, the side surface 232 of the sealing ring 230 is designed as a cylindrical surface or a conical surface, and the molding of the sealing ring is facilitated. The present application achieves the airtight requirement of the container on the basis of reducing the overall size of the cosmetic container, thereby meeting the needs of the user for the mini cosmetic container.

[0059] As shown in FIGS. 5-7, the bottom assembly 300 comprises the outer bottom 310 and the material loading plate 320, the material loading plate 320 is used to store the cosmetic material, the middle ring 220 is fixedly arranged on the material loading plate 320, and the middle ring 220 is installed in the outer bottom 310. The material loading plate 320 is used to store the cosmetic material, and the cosmetic material comprises powder, paste and cream.

[0060] As shown in FIGS. 6 and 7, the outer bottom 310 and the material loading plate 320 are a split structure, and the middle ring 220 is detachably installed in the outer bottom 310; in the embodiment, the outer bottom 310 and the material loading plate 320 are independently injection molded, and then the material loading plate 320 is fixedly installed in the middle ring 220, and the middle ring 220 is detachably installed in the outer bottom 310.

[0061] When the material in the carrier tray 320 is used up, the carrier tray 320, the inner cover 210 and the middle ring 220 are disassembled, and a new carrier tray 320, the inner cover 210 and the middle ring 220 are used to continue to use, so that other components in the cosmetic container can be reused, which is energy-saving, environment-friendly and cost-saving. When assembling, the carrier tray 320 is first installed in the middle ring 220, then the material is filled into the carrier tray 320, and after filling, the middle ring 220 is installed in the bottom assembly 300. During the filling process, if an error occurs, only the carrier tray 320 needs to be disassembled and replaced with a new carrier tray 320.

[0062] Optionally, the carrier tray 320 and the middle ring 220 are in interference fit, and the carrier tray 320 is fixedly installed in the middle ring 220 through the clamping assembly. In a possible embodiment, as shown in FIG. 5, the clamping assembly includes a first hook 225 and a second hook 321, the inner side wall of the middle ring 220 is provided with the first hook 225, and the outer side wall of the carrier tray 320 is provided with the second hook 321, the first hook 225 and the second hook 321 are clamped with each other to fixedly connect the carrier tray 320 and the middle ring 220. In another possible embodiment, the clamping assembly includes a clamping hook and a clamping groove, either the inner side wall of the middle ring 220 or the outer side wall of the carrier tray 320 is provided with the clamping hook, and the other is provided with the clamping groove, the clamping hook is clamped into the clamping groove to fixedly connect the carrier tray 320 and the middle ring 220.

[0063] Optionally, the outer diameter of the cover assembly 100 is D1, the outer diameter of the inner container assembly 200 is D2, and the outer diameter of the bottom assembly 300 is D3, wherein 40mm≤D1≤60mm, D1>D2, and D1≥D3. Optionally, D1 is 55mm±2mm. The outer diameter of the cover assembly 100 refers to the outer diameter of the outer cover 110, the outer diameter of the inner container assembly 200 refers to the outer diameter of the widest part of the inner container assembly 200, and the outer diameter of the bottom assembly 300 refers to the outer diameter of the widest part of the bottom assembly 300. In this application, the upper surface of the outer cover 110 is a circular structure, and the outer diameter of the outer cover 110 is about 55mm, and the outer diameters of other components in the cosmetic container are all less than or equal to the outer diameter of the outer cover 110, that is, the overall outer diameter of the container is controlled to be about 55mm, which is more compact and portable than the traditional container with an outer diameter of about 80mm.

[0064] As shown in FIG. 1 and FIG. 2, the inner cover 210 is provided with a second bottom surface 213, the first bottom surface 231 is flush with the second bottom surface 213, and the sealing ring 230 is located at the lower end surface of the inner cover 210. The inner cover 210 and the sealing ring 230 are integrally formed by two-color injection molding. The inner cover 210 and the sealing ring 230 are integrally formed by injection molding, so that the bonding strength between the inner cover 210 and the sealing ring 230 is high and the sealing effect is good. Alternatively, the hardness of the sealing ring 230 is less than the hardness of the inner cover 210 and the middle ring 220. The sealing ring 230 with elasticity is used to seal the inner cover 210 and the middle ring 220, thereby improving the air tightness of the inner cover 210 and the middle ring 220. The first bottom surface 231 and the side surface 232 of the sealing ring 230 are designed as flat surfaces, and the first bottom surface 231 is on the same horizontal plane as the second bottom surface 213, thereby facilitating the integrally molding of the inner cover 210 and the sealing ring 230.

[0065] As shown in FIG. 2, the inner side wall of the middle ring 220 extends radially inward by one annular rib 224, and the annular rib 224 is embedded in the side surface 232 of the sealing ring 230. When the inner cover 210 is covered on the middle ring 220, the annular rib 224 on the middle ring 220 is in interference fit with the sealing ring 230, and the annular rib 224 presses the sealing ring 230 to achieve the effect of air-tight fit between the sealing ring 230 and the middle ring 220.

[0066] As shown in FIG. 1 and FIG. 5, the cover assembly 100 includes an outer cover 110 and a lens 120. The outer cover 110 is hinged to the bottom assembly 300 by a first hinge assembly, and the outer cover 110 and the bottom assembly 300 are fixedly connected by a buckling assembly, i.e., the outer cover 110 and the outer bottom 310 are fixedly connected by the buckling assembly, and the inner cover 210 is hinged to the middle ring 220 by a second hinge assembly. The first hinge assembly includes a first hinge 111, a hinge hole 311, and a first hinge shaft 314. As shown in FIG. 8, the first hinge 111 is fixedly arranged on the outer cover 110. As shown in FIG. 12, the hinge hole 311 is arranged on the outer bottom 310. As shown in FIG. 1, the first hinge shaft 314 is arranged through the first hinge 111 and the hinge hole 311 to rotatably connect the outer cover 110 to the outer bottom 310.

[0067] The second hinge assembly includes a second hinge 211, a third hinge 226, and a second hinge shaft 227. As shown in FIG. 9, the second hinge 211 is fixedly arranged on the inner cover 210. As shown in FIG. 10 and FIG. 11, the third hinge 226 is fixedly arranged on the middle ring 220. As shown in FIG. 5, the second hinge shaft 227 is arranged through the second hinge 211 and the third hinge 226 to rotatably connect the inner cover 210 to the middle ring 220. As shown in FIG. 9, the inner cover 210 extends radially outward to form a protruding edge 212, which facilitates the opening of the inner cover 210.

[0068] As shown in Fig. 1, the buckle assembly comprises a first buckle 113 and a second buckle 313, as shown in Fig. 8, the outer cover 110 is provided with a protrusion 112, the protrusion 112 is provided with the first buckle 113, as shown in Fig. 12, the outer bottom 310 is provided with a spring sheet 312, the spring sheet 312 is provided with the second buckle 313, the first buckle 113 and the second buckle 313 are buckled with each other to fixedly connect the outer cover 110 and the outer bottom 310. The spring sheet 312 is partially disconnected with the outer bottom 310, so that the spring sheet 312 has elasticity, the elasticity of the spring sheet 312 is used to facilitate the mutual disengagement or buckling between the second buckle 313 and the first buckle 113, and the opening and closing of the outer cover 110. The first buckle 113 is directly arranged on the outer cover 110, and the second buckle 313 is directly arranged on the outer bottom 310, which further simplifies the structure of the cosmetic container and reduces the space of the cosmetic container.

[0069] As shown in Fig. 10 and Fig. 11, the inner side wall of the middle ring 220 extends radially inward to form a support ring 222, the middle ring 220 comprises a first joint part 221 and a second joint part 223, the first joint part 221 and the second joint part 223 are respectively located on both sides of the support ring 222, as shown in Fig. 2, the sealing ring 230 is airtightly attached to the first joint part 221, and the bottom assembly 300 is installed on the second joint part 223. That is, the carrier disc 320 is fixedly installed on the second joint part 223. As shown in Fig. 1 and Fig. 2, the mesh cloth 240 is welded on the support ring 222, the first joint part 221 is located above the support ring 222, the inner side wall of the first joint part 221 radially extends inward to form an annular convex rib 224, the inner cover 210 is airtightly combined with the first joint part 221 of the middle ring 220 through the sealing ring 230 and the annular convex rib 224, the second joint part 223 is located below the support ring 222, the inner side wall of the second joint part 223 is provided with a first hook 225, the carrier disc 320 is installed in the second joint part 223, and the first hook 225 is buckled with the second hook 321 to fixedly install the carrier disc 320 in the middle ring 220.

[0070] Embodiment 2: As shown in Figs. 13-18, the cover assembly 100 comprises an outer cover 110, a lens 120 fixedly attached to the inner side wall of the outer cover 110, and a top sheet 130 fixedly attached to the top surface of the outer cover 110. The difference between this embodiment and Embodiment 1 is that the top sheet 130 is attached to the top surface of the outer cover 110 in this embodiment. The top sheet 130 has a cortex-like appearance and cortex-like touch, and is attached to the outer surface of the cosmetic container, thereby not only protecting the container but also providing a cortex-like visual effect and improving the product grade. The top sheet 130 is made of plastic material, which is more wear-resistant and elastic than cortex. Compared with the traditional punched silicone substrate combined with a leather-imitating surface, the top sheet 130 has high hardness and high toughness, and is more durable. Optionally, the top sheet 130 is provided with a mark, which is a letter, a number, a Chinese character, or other special symbol, and the mark is integrally injection molded with the top sheet 130. Optionally, the top sheet 130 comprises a TPU (ThermoPlastic polyUrethane) material patch base, a PP (PolyPropylene) material patch base, a PVC (PolyVinyl Chloride) material patch base, or a PET (PolyEthylene Terephthalate) material patch base. TPU is a thermoplastic polyurethane elastomer, PET is polyethylene terephthalate, PP is polypropylene, and PVC is polyvinyl chloride.

[0071] Embodiment 3: As shown in Figs. 19-24, the difference between this embodiment and Embodiment 1 is that the outer bottom 310 and the carrier disc 320 are integrally formed, and the middle ring 220 is fixedly installed in the outer bottom 310. That is, the bottom assembly 300 is an integrally formed part, which further reduces the components of the cosmetic container and simplifies the production and assembly process of the product. After the bottom assembly 300 is formed, the middle ring 220 is fixedly sleeved on the carrier disc 320, which is convenient to assemble.

[0072] Embodiment 4: As shown in Figs. 25-30, the difference between this embodiment and Embodiment 3 is that the top sheet 130 is attached to the top surface of the outer cover 110 in this embodiment.

[0073] It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, which are all within the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A cosmetic container, characterized by: The invention comprises a cover assembly (100), an inner liner assembly (200) and a bottom assembly (300), wherein the bottom assembly (300) is used for storing cosmetic materials, the inner liner assembly (200) is installed in the bottom assembly (300), the cover assembly (100) is connected to the bottom assembly (300), and the cover assembly (100) covers the bottom assembly (300), the inner liner assembly (200) comprises an inner cover (210) and a middle ring (220). ), a sealing ring (230) is fixedly provided on the inner cover (210), and the inner cover (210) is airtightly covered on the middle ring (220) through the sealing ring (230), and the sealing ring (230) is provided with a first bottom surface (231) and a side surface (232), the first bottom surface (231) includes a plane, the side surface (232) includes a twisted surface, and the side surface (232) is airtightly fitted to the inner wall of the middle ring (220).

2. The cosmetic container according to claim 1, characterized in that: The bottom assembly (300) comprises an outer bottom (310) and a material loading tray (320), wherein the material loading tray (320) is used to store cosmetic materials, the middle ring (220) is fixedly sleeved on the material loading tray (320), and the middle ring (220) is installed in the outer bottom (310).

3. The cosmetic container according to claim 2, characterized in that: The outer sole (310) and the loading tray (320) are separate structures, and the middle ring (220) is detachably installed in the outer sole (310); or, the outer sole (310) and the loading tray (320) are integrally formed, and the middle ring (220) is fixedly installed in the outer sole (310).

4. The cosmetic container according to claim 2, characterized in that: The material loading tray (320) and the middle ring (220) are interference-fitted, and the material loading tray (320) is fixedly mounted on the middle ring (220) via a snap-fit ​​assembly.

5. The cosmetic container according to claim 1, characterized in that: The outer diameter of the cover assembly (100) is D1, the outer diameter of the liner assembly (200) is D2, and the outer diameter of the bottom assembly (300) is D3, wherein 40 mm ≤ D1 ≤ 60 mm, D1 > D2, and D1 ≥ D3.

6. The cosmetic container according to claim 1, characterized in that: The inner cover (210) is provided with a second bottom surface (213), the first bottom surface (231) is flush with the second bottom surface (213), the sealing ring (230) is located on the lower end surface of the inner cover (210), and the inner cover (210) and the sealing ring (230) are integrally formed by two-color injection molding.

7. The cosmetic container according to claim 1, characterized in that: An annular rib (224) extends radially inward from the inner side wall of the middle ring (220), and the annular rib (224) is embedded in the side surface (232) of the sealing ring (230).

8. The cosmetic container according to any one of claims 2 to 4, characterized in that: The cover assembly (100) includes an outer cover (110); or, the cover assembly (100) includes an outer cover (110) and a top sheet (130), wherein the top sheet (130) is fixedly attached to the top surface of the outer cover (110).

9. The cosmetic container according to claim 8, characterized in that: The outer cover (110) is hinged to the bottom assembly (300) via a first hinge assembly, and the outer cover (110) and the bottom assembly (300) are fastened and fixed via a fastening assembly, and the inner cover (210) is hinged to the middle ring (220) via a second hinge assembly.

10. The cosmetic container according to claim 9, characterized in that: The fastening assembly comprises a first buckle (113) and a second buckle (313); the outer cover (110) is provided with a protrusion (112); the protrusion (112) is provided with a first buckle (113); the outer bottom (310) is provided with a spring piece (312); the spring piece (312) is provided with a second buckle (313); the first buckle (113) and the second buckle (313) are engaged with each other to fix the outer cover (110) and the outer bottom (310).

11. The cosmetic container according to claim 8, characterized in that: The inner side wall of the middle ring (220) extends radially inward to form a support ring (222). The middle ring (220) includes a first joint portion (221) and a second joint portion (223). The first joint portion (221) and the second joint portion (223) are respectively located on both sides of the support ring (222). The sealing ring (230) is airtightly attached to the first joint portion (221). The bottom assembly (300) is installed on the second joint portion (223).

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