Foundation makeup box

Abstract

The utility model relates to the technical field of cosmetic packaging, in particular to a foundation make-up box which comprises an inner container and an inner container bottom for containing foundation make-up, a middle ring is in interference fit with the inner container bottom, and a rotary turning cover is clamped to the upper portion of the middle ring. A cavity for containing foundation make-up is formed in the middle ring, a rotating flip cover inner container is arranged above the middle ring in a rotating fit mode, the flip cover inner container turns over along a rotating shaft on the edge of the middle ring, the flip cover inner container covers the middle ring so that the cavity for containing the foundation make-up can be closed, and the flip cover inner container is clamped on the middle ring so that the rotating flip cover cannot be turned over.

Description

Technical Field

[0001] The present application relates to the technical field of cosmetic packaging, in particular to a foundation box. Background Art

[0002] A foundation box is a makeup tool specifically used to hold foundation. It is easy to carry and use, and has become an indispensable part of the daily life of modern women who love beauty.

[0003] Foundation boxes are usually carried around in daily life, and the foundation powder carried around is easily shaken apart in the box. Existing foundation boxes generally do not have a structure to seal the foundation, and the scattered foundation will be wasted in large quantities during use. The scattered foundation is easily contaminated by the outside world, affecting hygiene. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the prior art, the present utility model is proposed.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A foundation box, comprising an inner liner, wherein the inner liner comprises an inner liner bottom for storing foundation, and is characterized in that:

[0008] The inner liner also includes a middle ring, the lower part of which is connected to the bottom of the inner liner;

[0009] The inner liner also includes a flip-top inner liner, the flip-top inner liner is connected to the middle ring via a rotating shaft, and the flip-top inner liner covers the middle ring to close the cavity for storing the foundation;

[0010] The inner liner also includes a rotating flap, which is detachably connected to the middle ring through a clamping piece. The rotating flap is located above the flip-cover inner liner and, after being connected to the middle ring, limits the flip-cover inner liner from opening.

[0011] Firstly, the utility model optimizes the structure of the foundation box. After the optimization, a cylindrical groove is provided in the bottom of the inner liner for holding the foundation. A connecting groove with an interference fit with the middle circle is provided above the cylindrical groove. The inner liner bottom and the connecting groove are in interference fit, so that the foundation held by the inner liner bottom will not be scattered from the matching opening of the middle circle and the edge of the inner liner. Secondly, the utility model defines the structure of the middle circle and the flip-cover inner liner, so that the flip-cover inner liner can be flipped along the rotating axis of the edge of the middle circle to open or close the through hole of the middle circle. When the flip-cover is closed, the inner liner is opened or closed. When the liner cover is in the middle circle, the central through hole of the middle circle is sealed, and the foundation in the bottom of the liner is sealed in the cavity between the middle circle and the bottom of the liner, so that the foundation will not be scattered out of the central through hole of the middle circle. When taking out the foundation, the flip liner is opened to take out the foundation from the middle through hole of the middle circle; secondly, the rotatable flip cover is engaged on the middle circle to fix the position of the flip liner cover on the middle circle, so as to prevent the flip liner from being shaken open during carrying, thereby ensuring that the foundation will not be scattered when carried around in daily life, and preventing the foundation from being scattered, wasted and contaminated.

[0012] Preferably, the middle circle includes a middle circle periphery and a middle circle inner bottom, the outer edge of the middle circle inner bottom is connected to the middle of the middle circle periphery, and then first extends inward to form a first part, and then extends downward and inward to form a second part, and then extends inward to form a third part, the distance from the second part to the middle circle periphery from top to bottom gradually increases, and a mesh cloth is tightened at the central through hole of the third part. The utility model optimizes the structure of the middle circle so that the upper part of the middle circle forms a receiving groove that opens upward, so that it can better cooperate with the structure of the flip-top liner. More importantly, the second part and the middle circle periphery are at an angle, so that the third part has a certain elasticity, which is convenient for pressing down the mesh cloth to dip in the powder liquid.

[0013] Preferably, the middle circle includes a middle circle outer periphery and a middle circle inner bottom, and the strength of the middle circle outer periphery is greater than the strength of the middle circle inner bottom. The utility model selects the material of the middle circle, uses the middle circle outer periphery with greater strength to ensure the sealing effect, and uses the middle circle inner bottom with less strength to enable the middle circle inner bottom to undergo a certain deformation, thereby facilitating the mesh cloth on the middle circle inner bottom to dip into the powder liquid.

[0014] Preferably, the middle ring includes a middle ring outer periphery and a middle ring inner bottom, and the outer diameter of the lower part of the middle ring outer periphery is smaller than the outer diameter of the upper part, so that a step structure is formed at the transition of the outer diameter. The utility model optimizes the structure of the middle ring, and the middle ring and the inner bottom can be better limited by the step structure.

[0015] Preferably, the rotating flap comprises a rotating flap outer periphery and a rotating flap inner bottom, the rotating flap outer periphery is in a trumpet shape, and the lower end with a smaller diameter is closed by the inner bottom, and the upper end with a larger diameter is provided with a flange extending outward, and the flange is provided with an extended edge extending downward, and the extended edge is inserted between the middle circle and the flap inner liner. The utility model optimizes the structure of the rotating flap, so that the upper part of the rotating flap forms a receiving groove that opens upward, so that the receiving groove can be used to place a device for dipping powder liquid.

[0016] Preferably, a pick-up and release ear is provided on one side of the flange, and a section is provided on the side of the flange opposite to the pick-up and release ear. The pick-up and release ear can be used to more conveniently rotate the rotating flap, and the section can reduce the influence of the rotating flap on the rotation of the flap liner.

[0017] Preferably, a snap ring is provided on the inner side of the bottom of the extended edge, and a snap groove is provided on the flip cover liner at a position corresponding to the snap ring, and the snap ring is snapped into the snap groove. Thus, the flip cover liner and the rotating flip cover are rotatably connected. Furthermore, when the flip cover liner is opened, the rotating flip cover can rotate with the flip cover liner and be connected to the flip cover liner without falling off.

[0018] Preferably, the inner liner further comprises a pressing ring, the pressing ring is sandwiched between the inner bottom of the middle ring and the flip cover inner liner, and the pressing ring is made of elastic material, so as to improve the sealing performance.

[0019] Preferably, it further comprises a shell, the shell comprising an upper cover and a lower frame, the upper cover and the lower frame being rotatably connected via a connecting shaft;

[0020] The inner liner bottom is inserted from the bottom of the lower frame and fixed in the lower frame, and the middle ring is inserted from the top of the lower frame and fixedly connected to the inner liner bottom;

[0021] A positioning protrusion extending inward is provided on the inner side wall of the lower frame, and the positioning protrusion is sandwiched between the step structure of the middle circle and the upper end surface of the inner container bottom.

[0022] Preferably, the middle ring is interference fit with the bottom of the inner liner, and a sealing ring is provided at the connection, and the sealing ring is sleeved on the outer ring groove of the middle ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0024] Figure 1A schematic diagram of the appearance structure of an inner container in a foundation box according to an embodiment of the utility model;

[0025] Figure 2 A schematic diagram of the structure of an explosion of an inner liner in a foundation box according to an embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of the overall structure of a foundation box according to an embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the overall cross-sectional structure of a foundation box according to an embodiment of the utility model;

[0028] Figure 5 In a foundation box according to an embodiment of the utility model Figure 4 Enlarged structural diagram at A in the middle. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that can be included in at least one implementation of the utility model. The "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0033] Example 1

[0034] Reference Figure 1 to Figure 4 This embodiment provides a foundation box including an inner liner 200.

[0035] The liner 200 includes an inner liner bottom 201 for storing foundation, a middle circle 202 is interference-fitted on the inner liner bottom 201, and a rotating flap 203 is engaged above the middle circle 202; a rotatably engaged flip liner 202d is arranged above the middle circle 202, and the flip liner 202d flips along the rotation axis at the edge of the middle circle 202, and the flip liner 202d covers the middle circle 202 to close the cavity for storing foundation, and the flip liner 202d is engaged on the middle circle 202 to prevent the rotating flap 203 from rotating. It can be opened; there is a cylindrical groove in the bottom of the inner liner 201 for holding the foundation, and there is a connecting groove with an interference fit with the middle circle at the round axis of the cylindrical groove. The middle circle 202 is installed on the bottom of the inner liner 201, and the sealing of the bottom of the inner liner 201 is ensured by closing the flip-cover inner liner 202d. When taking the foundation, the flip-cover inner liner 202d is opened to ensure that the foundation in the bottom of the inner liner 201 will not be contaminated by the outside world. The rotating flip cover 203 is clamped on the middle circle and presses the flip cover inner liner 202d to ensure that the middle cover seal will not loosen. This structure allows the flip cover inner liner to not have a clamping structure for clamping the bottom of the inner liner, and it only needs to sit on the bottom of the inner liner. Without the clamping structure, it can not only reduce the production difficulty, but also make it more convenient to flip up.

[0036] The middle ring 202 preferably includes a cylindrical outer periphery and an annular inner bottom. A notch with an opening facing upward is provided on the outer periphery of the middle ring. A connecting terminal is connected to the outer periphery of the flip cover liner 202d, and the connecting terminal extends into the notch. After the rotating shaft passes through the connecting terminal, the two ends extend into the two side walls of the notch respectively. The middle ring is preferably double-color injection molded, so as to improve the aesthetics of the middle ring by using the two colors, and more importantly, the strength of the middle ring is improved by using two different plastics. Preferably, the strength of the outer periphery of the middle ring is greater than the strength of the inner bottom of the middle ring. The color depth of the outer periphery of the middle ring is greater than the color depth of the inner bottom of the middle ring. An outer ring groove with an opening facing outward is provided on the outer side wall of the outer periphery. The outer diameter of the lower part of the middle ring 202 is smaller than the outer diameter of the upper part, so that a step structure is formed at the transition of the outer diameter. The outer ring groove is preferably located below the step structure. The inner bottom of the middle ring is preferably made of elastic material. This allows it to deform to a certain extent, thereby facilitating powder removal. A sealing ring 202a is provided at the interference fit between the middle ring 202 and the inner liner bottom 201, and the sealing ring 202a is sleeved on the outer ring groove of the middle ring 202; the sealing ring 202a is used to prevent the leakage of foundation at the fit between the middle ring 202 and the inner liner bottom 201. During assembly, the lower part of the middle ring 202 is inserted into the inner liner bottom, at least to the sealing ring 202a. The opening of the outer ring groove not only allows the sealing ring to be placed to improve the sealing strength of the middle ring of the inner liner bottom box, but also allows the lower part of the middle ring to have a certain elasticity, which is convenient for insertion into the inner liner bottom. The outer ring groove is preferably located near the step structure.

[0037] The bottom of the central through hole of the inner bottom of the middle circle 202 is connected with a mesh 202b, preferably connected by hot pressing. A cotton sheet 202c is placed above the mesh 202b inside the middle circle 202; the mesh 202b and the cotton sheet 202c are used to take the foundation, prevent the foundation from directly contacting the outside to ensure its hygiene, and also prevent excessive taking of the foundation when taking it. A pressing ring is also provided above the cotton sheet 202c and below the flip liner 202d. The pressing ring is stuck in the central through hole of the middle circle 202 and presses a small section of the periphery of the cotton sheet 202c. Yes, the periphery of the mesh 202b is fixed on the lower surface of the inner bottom by hot pressing. Thereby, the central through hole and the mesh form a receiving groove with an opening facing upward, and the cotton sheet 202c matches the size of the central through hole of the inner bottom and is placed in the receiving groove. The cotton sheet 202c can also be connected to the pressing ring, preferably by hot pressing. The pressing ring is preferably made of an elastic material, so that the elasticity of the pressing ring can be used to improve the air tightness at the central through hole.

[0038] A snap-in groove 202e is provided on the inner side wall of the outer circumference of the middle ring 202, and a snap-in joint 203a is provided below the outer circumference of the rotating flap 203. The size of the snap-in joint 203a matches the size of the snap-in groove 202e, and the number of the snap-in grooves 202e and the snap-in joint 203a is equal, and the positions are aligned one by one. The snap-in groove 202e is preferably a groove with a right angle bend, so that the snap-in joint 203a will not be loosened due to impact when it is inserted into the snap-in groove 202e. At this time, the extension direction of the first part of the snap-in groove 202e is parallel to the central axis direction of the middle ring, and the extension direction of the second part of the snap-in groove 202e is the direction around the central axis. The end of the first part of the snap-in groove 202e away from the second part extends toward the top of the middle ring until it is connected to the outside world. The height of the snap-in groove 202e is preferably higher than the height of the centerline axis of the rotating shaft.

[0039] A placement groove 203b is provided on the upper side of the rotating flap 203; the placement groove 203b is used to place the powder puff. Preferably, the rotating flap 203 includes an outer periphery and an inner bottom, and the outer periphery of the rotating flap 203 is in a trumpet shape, and the end of the rotating flap 203 with a smaller outer periphery diameter is closed by the inner bottom. The outer periphery and the inner bottom of the rotating flap 203 form a groove-shaped structure with an opening facing upward, which serves as a placement groove. The end of the rotating flap 203 with a larger outer periphery diameter is provided with a flange extending outward, and the flange is provided with an extended edge extending downward, and the extended edge is clamped between the middle circle and the inner liner of the flap, so as to close the place and improve the sealing performance. The outer end surface of the flange is preferably provided with an anti-slip strip, so that the anti-slip strip is used to prevent the relative rotation between the inner liner of the flap and the middle circle. The clamping joint 203a is preferably located below the flange and has a certain distance from the flange. There is a certain distance between the extended edge and the outer edge of the flange, so that the top of the middle circle is against the part of the flange located outside the extended edge. The top of the flip cover inner container abuts against the portion of the flange located inside the extension edge, thereby further improving the sealing performance.

[0040] A pick-up and placement ear 203c is provided at the upper edge of the rotating flap 203; the pick-up and placement ear facilitates the picking and placing of the rotating flap 203. Preferably, there is only one pick-up and placement ear 203c, and the pick-up and placement ear 203c is located on the flange. In addition, preferably, the flange is provided with a section on the side opposite to the pick-up and placement ear 203c. Thus, the section is used to reduce the influence of the flange on the rotating shaft of the flip cover liner.

[0041] The outer edge of the inner bottom of the middle circle is preferably connected to the middle of the periphery, and then first extends inward to form the first part, then extends downward and inward to form the second part, and then extends inward to form the third part, so that the inner bottom is in the shape of a trumpet. The distance from the second part to the periphery of the middle circle gradually increases from top to bottom. Preferably, the second part and the periphery are at an acute angle. Thereby, there is a certain deformation ability between the two parts, which facilitates the powder removal. The inner bottom of the pressing ring is pressed on the third part of the inner bottom of the middle circle. The inner bottom of the flip cover liner is pressed on the inner bottom of the pressing ring, the lower part of the periphery of the flip cover liner is pressed on the second part of the inner bottom of the middle circle, and the upper part of the periphery of the flip cover liner is inserted into the inner side of the extended edge of the rotating flip cover. The inner bottom of the rotating flip cover is pressed on the inner bottom of the flip cover liner, and a spacing is provided between the extended edge and the first part.

[0042] A snap ring is provided on the inner side of the bottom of the extended edge, and a snap groove is provided on the flip liner at a position corresponding to the snap ring, and the snap ring is snapped into the snap groove. Thus, the flip liner and the rotating flip cover are rotatably connected. When the flip liner is opened, the rotating flip cover can rotate with the flip liner and be connected to the flip liner without falling off.

[0043] When in use, put the foundation into the cleaned inner liner bottom 201, put the sealing ring 202a into the groove at the lower part of the outer ring of the middle ring 202, insert the middle ring 202 into the inner liner bottom 201 and press it to the bottom, then turn up the flip cover inner liner 202d, and then put the cotton sheet 202c on the mesh 202b, the pressing ring is stuck in the inner groove of the middle ring 202 and presses a small position around the cotton sheet 202c, turn down the flip cover inner liner 202d, and install the rotating flip cover 203 in the clamping groove 202e and press down first. And then rotate it and snap it into the snap-in slot 202e, so as to ensure the sealing of the inner liner 200 containing the foundation; when taking it, rotate the rotating flap 203 in the opposite direction and then take it out, and then flip up the flap inner liner 202d to take the foundation on the cotton sheet 202c. When the amount taken is insufficient, press the cotton sheet 202c multiple times to use the cotton sheet 202c to absorb the foundation, ensuring that the foundation will not directly contact the outside, ensuring that it is clean and hygienic and not contaminated, and using the cotton sheet 202c to absorb the foundation will not cause excessive amount of foundation to be taken when taking it, resulting in waste.

[0044] Example 2

[0045] Reference Figure 3 to Figure 5 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0046] The inner liner 200 is installed in the outer shell 100, which includes a lower frame 101 and an upper cover 102 that rotates with the lower frame 101. The lower frame 101 and the upper cover 102 can open or close the outer shell 100 according to the rotation axis. A fixing ring 101a is provided on the upper part of the inner circle of the lower frame 101, and the fixing ring 101a is covered with an inner liner bottom 201 with an annular groove; the outer shell 100 is a plastic material used to install the inner liner 20.

[0047] A lens 102a is bonded in the inner groove of the upper cover 102; the lens 102 is used to provide a mirror for people to use when retouching their makeup, and can also be used to check whether their makeup is smudged.

[0048] A switch buckle 101b is provided at the upper edge of the lower frame 101, and a switch slot 102b is provided at the lower part of the upper cover 102. The switch buckle 101b and the switch slot 102b correspond in position. When the switch buckle 101b is buckled in the switch slot 102b, the foundation box is closed; the switch buckle 101b and the switch slot 102b ensure the stability of the outer shell 100 when it is closed.

[0049] A pressing groove 101c is provided on the outer wall of the switch buckle 101b of the lower frame 101; the outer wall of the lower frame 101 is thinner at the pressing groove 101c, and when pressed, the pressing groove 101c is deformed to press the switch buckle 101b out of the switch groove 102b, making it easier to separate the lower frame 101 from the upper cover 102.

[0050] The inner side wall of the lower frame is provided with a positioning protrusion extending inward, and the positioning protrusion is clamped between the step structure of the middle circle and the upper end surface of the inner liner bottom. The relative positions of the middle circle, the inner liner bottom and the lower frame are thereby limited. The inner liner bottom is provided with a limiting ring extending inward at the position where the bottom of the outer periphery of the middle circle is located, so that the bottom of the outer periphery of the middle circle is against the limiting ring. The position of the middle circle is thereby limited. The positioning protrusion may be annular and arranged around the entire lower frame. The positioning protrusion may also be in the shape of an arc. Preferably, it is in the shape of an arc, and in this case, the positioning protrusion is preferably arranged at the connecting shaft for the rotational connection between the upper frame and the lower frame. The connecting shaft for the rotational connection between the upper frame and the lower frame is preferably staggered with the rotating shaft for connecting the inner liner bottom and the inner liner flip cover, so as to avoid mutual influence.

[0051] The lower frame is preferably provided with a positioning groove with an opening facing inward at the switch buckle, and a reinforcing rib extending outward is provided at a position corresponding to the positioning groove on the outer periphery of the middle ring, and the reinforcing rib is inserted into the positioning groove. On the one hand, the relative position of the middle ring and the lower frame is positioned. On the other hand, the extending reinforcing rib can increase the strength of the switch buckle.

[0052] When in use, the liner 200 is inserted from the through hole below the lower frame 101, the fixing ring 101a on the lower frame 101 is snapped into the outer circular groove of the liner bottom 201, and then the upper cover 102 is closed, and the switch buckle 101b is snapped into the switch groove 102, so that the liner 200 is fixed in the outer shell 100 for easy carrying; when a person needs to check the makeup, press the pressing groove 101c, flip up the upper cover 102, and use the lens 102a glued to the bottom of the upper cover 102 to check the makeup or touch up the makeup.

[0053] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0054] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0055] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A foundation box, comprising an inner liner (200), wherein the inner liner (200) comprises an inner liner bottom (201) for storing foundation, characterized in that: The inner liner (200) further comprises a middle ring (202), the lower part of the middle ring (202) being connected to the inner liner bottom (201); The inner liner (200) further comprises a flip-top inner liner (202d), wherein the flip-top inner liner (202d) is connected to the middle circle (202) via a rotating shaft, and the flip-top inner liner (202d) covers the middle circle (202) to seal the cavity for storing foundation powder; The inner liner (200) further comprises a rotating flap (203), wherein the rotating flap (203) is detachably connected to the middle ring (202) via a snap-fitting member, and the rotating flap (203) is located above the flip-cover inner liner (202d), and after being connected to the middle ring, restricts the flip-cover inner liner (202d) from flipping open.

2. The foundation box according to claim 1, characterized in that: The middle circle (202) includes a middle circle outer circumference and a middle circle inner bottom. The outer edge of the middle circle inner bottom is connected to the middle of the middle circle outer circumference, and then extends inward to form a first part, and then extends downward and inward to form a second part, and then extends inward to form a third part. The distance from the second part to the middle circle outer circumference gradually increases from top to bottom, and a mesh cloth (202b) is stretched at the central through hole of the third part.

3. The foundation box according to claim 1, characterized in that: The middle circle (202) comprises a middle circle outer periphery and a middle circle inner bottom, and the strength of the middle circle outer periphery is greater than the strength of the middle circle inner bottom.

4. The foundation box according to claim 1, characterized in that: The middle ring (202) includes a middle ring outer periphery and a middle ring inner bottom, and the outer diameter of the lower part of the middle ring outer periphery is smaller than the outer diameter of the upper part, so that a step structure is formed at the transition point of the outer diameter.

5. The foundation box according to any one of claims 1 to 4, characterized in that: The rotating flap (203) comprises a rotating flap outer periphery and a rotating flap inner bottom. The rotating flap outer periphery is in a trumpet shape, and the lower end with a smaller diameter is closed by the inner bottom. The upper end with a larger diameter is provided with a flange extending outwards. The flange is provided with an extended edge extending downwards, and the extended edge is inserted between the middle ring and the flap inner liner.

6. The foundation box according to claim 5, characterized in that: A pick-up and release ear (203c) is provided on one side of the flange, and a section is provided on the side of the flange opposite to the pick-up and release ear (203c).

7. The foundation box according to claim 5, characterized in that: A clamping ring is arranged on the inner side of the bottom of the extended edge, and a clamping groove is arranged on the flip cover inner liner at a position corresponding to the clamping ring, and the clamping ring is clamped into the clamping groove.

8. The foundation box according to any one of claims 1 to 4, characterized in that: The inner liner (200) further comprises a pressing ring, the pressing ring being sandwiched between the inner bottom of the middle ring and the flip-cover inner liner (202d), and the pressing ring being made of an elastic material.

9. The foundation box according to any one of claims 1 to 4, characterized in that: It also comprises a housing (100), wherein the housing (100) comprises an upper cover (102) and a lower frame (101), wherein the upper cover (102) and the lower frame (101) are rotatably connected via a connecting shaft; The inner liner bottom is inserted from the bottom of the lower frame and fixed in the lower frame, and the middle ring is inserted from the top of the lower frame and fixedly connected to the inner liner bottom; A positioning protrusion extending inward is provided on the inner side wall of the lower frame, and the positioning protrusion is sandwiched between the step structure of the middle circle and the upper end surface of the inner container bottom.

10. The foundation box according to any one of claims 1 to 4, characterized in that: The middle ring (202) and the inner liner bottom (201) are interference fit, and a sealing ring (202a) is provided at the connection, and the sealing ring (202a) is sleeved on the outer ring groove of the middle ring (202).

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