Middle bundle core assembly and cosmetic container

Abstract

The utility model discloses a middle bundle core assembly and a cosmetic container. The middle bundle core assembly comprises a middle bundle, a lifting piece and a rotating piece. A spiral track is arranged in the wall of the lifting piece, and at least one moving structure is arranged on the outer wall of the lifting piece in a protruding mode. A rotating bulge is convexly arranged on the outer wall of the rotating piece; the lifting piece is arranged on the rotating piece in a sleeving mode, and at least part of the rotating protrusion is contained in the spiral track; at least one limiting rail is arranged on the side wall of the middle bundle, the middle bundle is arranged on the lifting piece in a sleeving mode, and at least part of the moving structure is contained in the limiting rail; according to the cosmetic container lifting device, the spiral track and the moving structure are arranged on the lifting part, the spiral track is wrapped by the middle bundle, it is guaranteed that after the cosmetic container is used for a long time, the spiral track on the lifting part does not deform, it is guaranteed that the lifting part can smoothly move up and down, the use experience of consumers is improved, and the device is simple and compact in structure and easy to operate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cosmetics, in particular to a middle beam core assembly and a cosmetic container. BACKGROUND

[0002] The middle beam core in the existing technology mainly includes a middle beam, a spiral tube and a bead tube body, the spiral tube is sleeved outside the middle beam, the beads on the bead tube body pass through the guide track on the middle beam and abut against the spiral track on the spiral tube, and rotating the spiral tube can make the bead tube body reciprocate along the middle beam. However, after a long time of use, the spiral tube may be deformed due to impact or extrusion, and then the spiral track is deformed, and since the beads move along the spiral track, the reliability of the up-down movement of the bead tube body is reduced; at the same time, the middle beam core in the existing technology is usually made of plastic material, which leads to a low recycling rate.

[0003] Therefore, it is necessary to provide an improved middle beam core assembly and a cosmetic container to solve at least one of the above-mentioned problems in the prior art. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a middle beam core assembly, which comprises a middle beam core assembly, characterized in that it comprises a middle beam, a lifting piece and a rotating piece; the wall of the lifting piece is provided with a spiral track, and at least one moving structure is protruded on the outer wall of the lifting piece; the outer wall of the rotating piece is provided with a rotating protrusion; the lifting piece is sleeved on the rotating piece, and the rotating protrusion is at least partially accommodated in the spiral track; the side wall of the middle beam is provided with at least one limiting track, the middle beam is sleeved on the lifting piece, and the moving structure is at least partially accommodated in the limiting track; by rotating the rotating piece, the rotating protrusion moves along the spiral track of the lifting piece, and then the lifting piece reciprocates along the limiting track under the constraint of the cooperation between the limiting track and the moving structure.

[0005] Further, the lifting piece comprises a spiral tube and a material containing part which are fixedly connected; the spiral track is recessed in the inner wall of the spiral tube; the moving structure is provided on the outer wall of the spiral tube away from the material containing part; part of the cosmetic can be stored in the material containing part; the moving structure is arranged at one end of the spiral tube away from the material containing part.

[0006] Further, the rotating piece comprises a rotating shaft and a bearing table which are coaxially arranged; the shaft diameter of the bearing table is greater than the shaft diameter of the rotating shaft, and the rotating shaft is fixedly connected to the bearing surface of the bearing table; the rotating protrusion is provided on the outer wall of the rotating shaft; the rotating protrusion is arranged at one end of the rotating shaft away from the bearing table.

[0007] Further, the outer wall of the middle beam is provided with a second limiting part, and the second limiting part is protruding relative to the outer wall of the middle beam; the bottom end of the middle beam is in abutment with the bearing surface.

[0008] Further, a connecting piece is further included; the connecting piece is clamped on the outer wall of the middle beam, and the connecting piece covers the bearing table, and the connecting piece is fixedly connected with the outer wall of the bearing table.

[0009] Further, a first limiting part is arranged on the connecting piece; the first limiting part is arranged on the inner wall of the connecting piece and protrudes relative to the inner wall of the connecting piece.

[0010] The first limiting part and the second limiting part are in limiting cooperation.

[0011] Further, the connecting piece includes a first connecting piece and a second connecting piece, the first connecting piece is sleeved on the second connecting piece; and the first limiting part is arranged on the first connecting piece.

[0012] Further, the connecting piece is circular or square in shape.

[0013] Further, the middle beam, the lifting piece, the rotating piece and the connecting piece are metal materials.

[0014] The application further provides a cosmetic container, which includes a protective cover, a lower shell and a middle beam core assembly as described above; the middle beam core assembly is fixedly sleeved in the lower shell, and the protective cover can be buckled on the middle beam core assembly.

[0015] The middle beam core assembly provided by the application has at least the following technical effects:

[0016] In the middle beam core assembly, the lifting piece is provided with a spiral track and a moving structure respectively, and in the cooperation state of the middle beam, the lifting piece and the rotating piece, the rotating protrusion on the rotating piece cooperates with the spiral track, and the moving structure cooperates with the limiting track; by rotating the rotating piece, the rotating protrusion can be driven to rotate along the spiral track, and the moving structure of the lifting piece can be driven to reciprocatingly move along the limiting track. Even after long time use, the spiral track on the lifting piece is not easy to deform, and the smooth up-and-down movement of the lifting piece can be ensured, the use experience of consumers is improved, and the device structure is simple and compact and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, and the advantages thereof, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 The overall structure of the cosmetic container provided by the embodiments of the present application is shown in the figure.

[0019] Figure 2 The cross-sectional view of the cosmetic container provided by the embodiments of the present application is shown in the figure.

[0020] Figure 3 The cross-sectional view of the middle beam core assembly provided by the embodiments of the present application is shown in the figure.

[0021] Figure 4 The cross-sectional view of the middle beam core assembly provided by the embodiments of the present application is shown in the figure.

[0022] Figure 5 The exploded view of the middle beam core assembly provided by the embodiments of the present application is shown in the figure.

[0023] Figure 6 The structure of the middle beam provided by the embodiments of the present application is shown in the figure.

[0024] Figure 7 The structure of the lifting piece provided by the embodiments of the present application is shown in the figure.

[0025] Figure 8 The cross-sectional view of the lifting piece provided by the embodiments of the present application is shown in the figure.

[0026] Figure 9 The structure of the rotating piece provided by the embodiments of the present application is shown in the figure.

[0027] Figure 10 The cross-sectional view of the lifting piece and the rotating piece in the cooperating state provided by the embodiments of the present application is shown in the figure.

[0028] Figure 11 The structure of the connecting piece provided by the embodiments of the present application is shown in the figure.

[0029] Figure 12 The structure of the first connecting piece provided by the embodiments of the present application is shown in the figure.

[0030] Figure 13 The structure of the second connecting piece provided by the embodiments of the present application is shown in the figure.

[0031] Figure 14 The structure of another rotating piece provided by the embodiments of the present application is shown in the figure.

[0032] Figure 15 Another structure schematic view of a connecting piece provided by an embodiment of the application is provided.

[0033] Figure 16 Another structure schematic view of a first connecting piece provided by an embodiment of the application is provided.

[0034] Figure 17 Another structure schematic view of a second connecting piece provided by an embodiment of the application is provided.

[0035] In the figure, the corresponding reference signs are:

[0036] 1 - middle beam, 11 - limiting part, 111 - limiting track, 12 - wrapping part, 13 - second limiting part;

[0037] 2 - lifting piece, 21 - spiral pipe, 211 - spiral track, 2111 - starting guide track, 2112 - ending buffer track, 212 - moving structure, 22 - material containing part, 221 - abutting structure, 23 - shrink ring;

[0038] 3 - rotating piece, 31 - rotating shaft, 311 - rotating protrusion, 312 - first machining hole, 32 - bearing table, 321 - bearing surface, 322 - second machining hole;

[0039] 4 - connecting piece, 41 - first connecting piece, 411 - first limiting part, 42 - second connecting piece, 421 - abutting protrusion, 422 - abutting table;

[0040] 5 - protective cover, 6 - lower shell. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the application.

[0042] It should be noted that the terms “first”, “second” and the like in the specification and claims of the application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms “include” and “have” and any variations thereof are intended to cover non-exclusive inclusion.

[0043] The embodiments will be described below with reference to the drawings, and the drawings do not limit the application content recorded in the claims.

[0044] Please refer to Figures 1-17 The embodiment of the present application provides a middle beam core assembly, which comprises a middle beam 1, a lifting piece 2 and a rotating piece 3. The wall of the lifting piece 2 is provided with a spiral track 211, and the outer wall of the lifting piece 2 is provided with at least one moving structure 212. The outer wall of the rotating piece 3 is provided with a rotating protrusion 311. The lifting piece 2 is sleeved on the rotating piece 3, and the rotating protrusion 311 is at least partially accommodated in the spiral track 211. The middle beam 1 is provided with at least one limiting track 111 on the side wall, and the lifting piece 2 is sleeved on the lifting piece 2, and the moving structure 212 is at least partially accommodated in the limiting track 111. By rotating the rotating piece 3, the rotating protrusion 311 moves along the spiral track 211 of the lifting piece 2, and then, under the cooperation of the limiting track 111 and the moving structure 212, the lifting piece 2 reciprocatingly moves along the limiting track 111.

[0045] In this way, by respectively arranging the spiral track 211 and the moving structure 212 on the lifting piece 2, under the cooperation of the middle beam 1, the lifting piece 2 and the rotating piece 3, the rotating protrusion 311 on the rotating piece 3 is accommodated in the spiral track 211, the moving structure 212 passes through the limiting track 111 of the middle beam 1, the rotating piece 3 is rotated, the rotating piece 3 can drive the rotating protrusion 311 to rotate along the spiral track 211, and then drive the moving structure 212 of the lifting piece 2 to reciprocatingly move along the limiting track 111. The movement of the lifting piece 2 is more smooth, the use experience of the consumer is improved, and the device structure is simple and compact and easy to operate.

[0046] In some embodiments, the lifting piece 2 comprises a spiral pipe 21 and a material containing part 22 which are fixedly connected. The spiral track 211 is concavely arranged on the inner wall of the spiral pipe 21. The moving structure 212 is arranged on the outer wall of the spiral pipe 21 away from the material containing part 22. Part of the cosmetic can be stored in the material containing part 22.

[0047] Specifically, the spiral track 211 is concavely arranged on the inner wall of the spiral pipe 21, that is, the spiral track 211 protrudes from the inner wall of the lifting piece 2 along the radial direction thereof towards the outer wall of the lifting piece 2, thereby forming a track for the movement of the rotating protrusion 311. The rotating protrusion 311 is accommodated in the spiral track 211.

[0048] Specifically, referring to Figures 7-8 The lifting piece 2 is in a cylindrical structure, the spiral track 211 can be realized by a stamping forming process, thereby forming spiral concaves on the inner wall of the cylindrical structure and spiral protrusions on the outer wall of the cylindrical structure.

[0049] Specifically, the spiral track 211 is a spiral structure with a certain spiral angle, the spiral track 211 is arranged along the axial direction of the lifting piece 2 and from the bottom of the spiral pipe 21 towards the material containing part 22, the starting end of the spiral track 211 is provided with a starting guide track 2111, and the terminal end of the spiral track 211 is provided with a terminal buffer track 2112, and the starting guide track 2111 and the terminal buffer track 2112 are communicated through a lifting track. The rotating protrusion 311 on the rotating piece 3 is a pushing protrusion arranged on the outer wall of the rotating shaft 31. Through the starting guide track 2111, the pushing protrusion can smoothly enter the lifting track. With the rotation of the rotating piece 3, the pushing protrusion can smoothly enter the terminal buffer track 2112 from the lifting track. Further rotating the rotating piece 3 so that the pushing protrusion limits and abuts against the inner wall of the terminal buffer track 2112, thereby limiting the further rotation of the rotating piece 3, and thereby driving the lifting piece 2 to rise to the highest position.

[0050] Specifically, the moving structure 212 arranged on the outer wall of the lifting piece 2 is a protruding structure arranged on the convex rib of the lifting piece 2 and close to the starting end of the spiral track 211.

[0051] Specifically, the middle bundle 1 is a barrel-shaped structure, the middle bundle 1 has a middle bundle inner cavity for accommodating the lifting piece 2, and the two ends of the middle bundle 1 have a first opening and a second opening communicated with the middle bundle inner cavity.

[0052] Specifically, the limiting track 111 can be a straight slot, the straight slot is arranged on the side wall of the middle bundle 1, the inlet end of the straight slot is communicated with the second opening, and the limiting end of the straight slot is used for limiting and abutting against the moving structure 212; in the initial cooperation state of the middle bundle 1 and the lifting piece 2, the moving structure 212 is accommodated in the straight slot and the moving structure 212 is arranged at the inlet end of the straight slot.

[0053] In some embodiments, two limiting tracks 111 are symmetrically arranged on the side wall of the middle bundle 1, and two moving structures 212 are symmetrically arranged on the outer wall of the lifting piece 2. In the case that the middle bundle 1 is sleeved on the lifting piece 2, the moving structures 212 are respectively matched with the corresponding limiting tracks 111, thereby improving the stability of the lifting piece 2 moving along the limiting track 111 relative to the middle bundle 1.

[0054] Specifically, the material containing part 22 is a material containing cup for containing cosmetics.

[0055] Specifically, the shrink ring 23 is arranged between the spiral pipe 21 and the material containing part 22, two ends of the shrink ring 23 are connected with the spiral pipe 21 and the material containing part 22 respectively, and the diameter of the shrink ring 23 is smaller than the shaft diameter of the spiral pipe 21 and the material containing part 22, further, the first shrink surface is formed at the connection position of the shrink ring 23 and the spiral pipe 21, and the second shrink surface is formed at the connection position of the shrink ring 23 and the material containing part 22, the spiral pipe 21 is used for sleeving on the rotating part 3, and a certain distance is left between the top surface of the spiral pipe 21 and the first shrink surface, in the state that the material containing part 22 contains the cosmetic, the first shrink surface can abut against part of the cosmetic, and further, the cosmetic can be prevented from sinking from the material containing part 22 into the spiral pipe 21 due to the action of gravity.

[0056] In some embodiments, the inner wall of the material containing part 22 is provided with the abutting structure 221; the abutting structure 221 is used for abutting and matching with the cosmetic.

[0057] Specifically, the abutting structure 221 is an abutting protrusion, and the abutting protrusion is protrudedly arranged relative to the inner wall of the material containing part 22.

[0058] In the embodiments of the present application, the abutting protrusion 221 is protrudedly arranged on the inner wall of the material containing part 22, and further, the abutting protrusion 221 is abuttingly matched with the cosmetic, so that the cosmetic can be prevented from sinking from the material containing part 22 into the spiral pipe 21 due to the action of gravity, and the material containing part 22 can effectively contain the cosmetic.

[0059] In some embodiments, the rotating part 3 comprises a rotating shaft 31 and a bearing table 32 which are coaxially arranged; the shaft diameter of the bearing table 32 is greater than the shaft diameter of the rotating shaft 31, the rotating shaft 31 is fixedly connected on the bearing surface 321 of the bearing table 32; and the rotating protrusion 311 is arranged on the outer wall of the rotating shaft 31 away from the bearing table 32.

[0060] Specifically, the rotating protrusion 311 is protrudedly arranged on the outer wall of the rotating shaft 31, and the rotating protrusion 311 is arranged on the end of the rotating shaft 31 away from the bearing table 32, in the initial matching state of the middle beam 1, the lifting part 2 and the rotating part 3, one end of the middle beam 1 and one end of the lifting part 2 are both on the bearing surface 321 of the bearing table 32, and the rotating protrusion 311 is accommodated in the terminal buffer track 2112 of the spiral track 211, the length of the rotating shaft 31 is matched with the length of the spiral pipe 21, that is, the rotating shaft 31 is completely wrapped in the spiral pipe 21, further, in the process that the driving rotating part 3 drives the lifting part 2 to rise from the initial position to the highest position, the rotating protrusion 311 can move in the spiral pipe 21 and move into the terminal buffer track 2112 of the spiral pipe 21.

[0061] Specifically, in consideration of reducing the weight of the structure and saving costs, the whole of the rotating member 3 can be designed as a shell structure with a certain wall thickness, a first machining hole 312 is arranged at the top of the rotating shaft 31, and a second machining hole 322 is arranged at the bottom of the bearing table 32, and the first machining hole 312 and the second machining hole 322 are in communication with the shell inner cavity of the rotating member 3.

[0062] Specifically, the axial length of the rotating shaft 31 is less than the axial length of the spiral pipe 22, and the axial diameter of the bearing table 32 is greater than the axial diameter of the rotating shaft 31, so that in the state that the spiral pipe 22 is sleeved on the rotating shaft 31, the bottom of the spiral pipe 22 can be on the bearing surface 321 of the bearing table 32, and in the state that the middle beam 1 is sleeved on the lifting member 2, the bottom of the middle beam 1 can also be on the bearing surface 321.

[0063] In other embodiments, referring to Figure 15 As shown, the rotating shaft 31 is a column structure, and the bearing table 32 can be a square column structure, and the structure shape of the rotating member 3 is not limited in the present application, as long as it meets the mounting and matching relationship.

[0064] In some embodiments, the middle beam 1 comprises a limiting portion 11 and a wrapping portion 12 connected with each other; and a limiting rail 111 is arranged through the side wall of the limiting portion 11;

[0065] In the state that the middle beam 1, the lifting member 2 and the rotating member 3 are matched, the limiting portion 11 of the middle beam 1 is sleeved on the outer wall of the spiral pipe 21, the moving structure 212 is accommodated in the limiting rail 111, and the wrapping portion 12 is sleeved on the outer wall of the containing portion 23, and the wrapping portion 12 is used for wrapping the cosmetic product protruding from the containing portion 22.

[0066] Specifically, the cosmetic product can be a lipstick body, and an oblique outlet 121 is arranged at the end of the wrapping portion 12 away from the limiting portion, compared with a traditional vertical outlet, the lipstick body can be broken when it is rotated out due to uneven force, and the oblique outlet design can better disperse the stress of the lipstick body, thereby reducing the risk of breakage, and the oblique outlet design is more visually beautiful.

[0067] In the embodiments of the present application, in the initial state, the cosmetic product can be completely wrapped in the wrapping portion 12, and then by rotating the rotating member 3, the lifting member 2 can be driven to move along the limiting rail 111 of the middle beam 1, so that the containing portion 22 can drive the lipstick body to rotate out from the oblique outlet 121.

[0068] In some embodiments, a connecting member 4 is further included; the connecting member 4 is sleeved on the middle beam 1 and the rotating member 3; and the connecting member 4 is fixedly connected with the rotating member 3.

[0069] Specifically, the connecting piece 4 is a cylindrical structure with a certain wall thickness, and an inner wall of the connecting piece 4 is provided with a connecting site for fixed connection with the side wall of the bearing table 32.

[0070] Specifically, the connecting site can be fixedly connected with the side wall of the bearing table 32 in a manner of gluing.

[0071] In other embodiments, the connecting site is provided with a clamping protrusion, the side wall of the bearing table 32 is provided with a clamping groove matched with the clamping protrusion, and the connecting piece 4 is relatively fixedly connected with the rotating piece 3 through cooperation of the clamping protrusion and the clamping groove.

[0072] In one embodiment, the outer wall of the middle beam is provided with a second limiting part which is protruded relative to the outer wall of the middle beam, and the bottom end of the middle beam abuts against the bearing surface.

[0073] In some embodiments, the connecting piece 4 is provided with a first limiting part 411, the middle beam 1 is provided with a second limiting part 13, the connecting piece 4 is sleeved on the middle beam 1 and the rotating piece 3, and the first limiting part 411 is limitedly matched with the second limiting part 13.

[0074] Specifically, the first limiting part 411 is arranged on the inner wall of the connecting piece 4 and protruded relative to the inner wall of the connecting piece 4, and the second limiting part 13 is arranged on the outer wall of the middle beam 1 and protruded relative to the outer wall of the middle beam 1.

[0075] Specifically, the first limiting part 411 can be a first protruding ring structure, and the second limiting part 13 can be a second protruding ring structure; in the matched state of the middle beam 1 and the connecting piece 4, the connecting piece 4 is sleeved on the middle beam 1, the first protruding ring structure is above the second protruding ring structure, and the first protruding ring structure is in abutting cooperation with the second protruding ring structure, thereby limiting the axial movement of the middle beam 1, and under the action of an external force, the middle beam 1 can rotate relative to the connecting piece 4.

[0076] In the embodiments of the present application, the first limiting part 411 is arranged on the connecting piece 4, the second limiting part 13 is arranged on the middle beam 1, and in the matched state of the middle beam 1, the lifting piece 2, the rotating piece 3 and the connecting piece 4, the connecting piece 4 is sleeved on the middle beam 1, the first limiting part 411 can be in abutting cooperation with the second limiting part 13, thereby limiting the axial movement of the middle beam 1, and under the action of an external force, the connecting piece 4 can rotate relative to the middle beam 1, thereby driving the lifting piece 2 to reciprocatingly move along the limiting track 111 of the middle beam 1.

[0077] In other embodiments, the connecting piece 4 includes a first connecting piece 41 and a second connecting piece 42, the first connecting piece 41 is sleeved on the second connecting piece 42, the second connecting piece 42 is sleeved on the middle beam 1, and the outer wall of the first connecting piece 41 is provided with the first limiting part 411.

[0078] In some embodiments, the connecting piece 4 is a square column structure, and the first connecting piece 41 and the second connecting piece 42 are also square column structures. Figures 15-17

[0079] In some embodiments, the middle beam 1, the lifting piece 2, the rotating piece 3, and the connecting piece 4 are made of metal.

[0080] In some embodiments, the middle beam 1, the lifting piece 2, the rotating piece 3, and the connecting piece 4 are made of the same metal.

[0081] In some embodiments, the middle beam 1, the lifting piece 2, the rotating piece 3, and the connecting piece 4 are all made of aluminum.

[0082] It should be noted that aluminum is a light, soft, and corrosion-resistant metal, has good mechanical processing performance, and can be made into containers of various shapes through stamping, stretching, polishing, and other processes to meet the design requirements of cosmetic packaging.

[0083] In the embodiments of the present application, the middle beam 1, the lifting piece 2, the rotating piece 3, and the connecting piece 4 are made of aluminum. Compared with common steel pieces, aluminum has a lower density, which makes it very useful in applications that require weight reduction. At the same time, the recycling of aluminum is very economical and environmentally friendly, as there is almost no quality difference between virgin and recycled aluminum alloys. Aluminum containers are lightweight and durable, easy to recycle, store, and transport, reducing transportation costs and environmental impact.

[0084] The present application also discloses a cosmetic container, which comprises a protective cover 5, a lower shell 6, and a middle beam core assembly as described above; the middle beam core assembly is fixedly sleeved in the lower shell 6, and the protective cover 5 can be buckled on the middle beam core assembly. Since the middle beam 1, the connecting piece 4, and the lower shell 6 are arranged outside the lifting piece 2, the connecting piece 4 and the lower shell 6 protect the spiral track 211 on the lifting piece 2, so that the spiral track 211 on the lifting piece 2 is not easily deformed even after long-term use, ensuring smooth up-and-down movement of the lifting piece 2 and improving the user experience of consumers. Moreover, the device has a simple and compact structure and is easy to operate.

[0085] Specifically, the lower shell 6 has a receiving cavity, one end of the lower shell 6 has an opening portion, the opening portion communicates with the receiving cavity, and a sealing bottom is further arranged at the bottom of the lower shell 6, and the bottom of the rotating piece 3 can abut against the sealing bottom.

[0086] Specifically, the outer wall of the lower shell 6 and the connecting piece 4 can be fixedly connected by adhesion.

[0087] ​Specifically, the connecting piece 4 is provided with an abutting protrusion 421 protruding from the outer wall of the connecting piece 4, and in the state that the protective cover 5 is matched with the lower shell 6, the abutting protrusion 421 is used to abut against the inner wall of the protective cover 5, thereby enabling the protective cover 5 to be fixedly matched with the lower shell 6.

[0088] Specifically, the connecting piece 4 is further provided with an abutting platform 422, and in the state that the protective cover 5 is matched with the lower shell 6, the end face of the opening of the protective cover 5 abuts against the abutting platform 422, thereby enabling the axial movement of the protective cover 5 to be limited, and the abutment between the inner wall of the protective cover 5 and the abutting protrusion 421 enables the axial rotation of the protective cover 5 relative to the connecting piece 4 to be limited, further ensuring the stability of the fixed matching between the protective cover 5 and the lower shell 6.

[0089] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments.

[0090] It should be noted that all the features (including the technical features recorded in different embodiments) recorded in the present application can be combined arbitrarily under reasonable circumstances, and the new technical solutions formed by the combination are all within the protection scope of the present application.

[0091] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mid-beam core assembly, characterized in that: It includes a center beam (1), a lifting member (2) and a rotating member (3); The inner wall of the lifting member (2) is provided with a spiral track (211), and the outer wall of the lifting member (2) is protrudingly provided with at least one moving structure (212); The outer wall of the rotating member (3) is provided with a rotating protrusion (311); the lifting member (2) is sleeved on the rotating member (3), and the rotating protrusion (311) is at least partially accommodated in the spiral track (211); At least one limiting track (111) is provided on the side wall of the middle beam (1), the middle beam (1) is mounted on the lifting member (2), and the moving structure (212) is at least partially accommodated in the limiting track (111); the rotating member (3) drives the lifting member (2) to move back and forth along the limiting track (111).

2. The mid-beam core assembly according to claim 1, characterized in that: The lifting member (2) comprises a fixedly connected spiral tube (21) and a material receiving portion (22); The spiral track (211) is recessed in the inner wall of the spiral tube (21); The movable structure (212) is arranged on the outer wall of the spiral tube (21), and the movable structure (212) is arranged at one end of the spiral tube (21) away from the material holding portion (22).

3. The mid-beam core assembly according to claim 1, characterized in that: The rotating member (3) comprises a coaxially arranged rotating shaft (31) and a bearing platform (32); The shaft diameter of the bearing platform (32) is larger than the shaft diameter of the rotating shaft (31), and the rotating shaft (31) is fixedly connected to the bearing surface (321) of the bearing platform (32); The rotating protrusion (311) is arranged on the outer wall of the rotating shaft (31), and the rotating protrusion (311) is arranged at one end of the rotating shaft (31) away from the supporting platform (32).

4. The mid-beam core assembly according to claim 3, characterized in that: The outer wall of the middle beam (1) is provided with a second limiting portion (13), and the second limiting portion (13) is provided to protrude relative to the outer wall of the middle beam (1); the bottom end of the middle beam (1) abuts against the bearing surface (321).

5. The mid-beam core assembly according to claim 4, characterized in that: It also includes a connecting piece (4), the connecting piece (4) is clamped on the outer wall of the middle beam (1), and the connecting piece (4) covers the supporting platform (32), and the connecting piece (4) is fixedly connected to the outer wall of the supporting platform (32).

6. The mid-beam core assembly according to claim 5, characterized in that: The connecting member (4) is provided with a first limiting portion (411); The first limiting portion (411) is arranged on the inner wall of the connecting member (4) and protrudes relative to the inner wall of the connecting member (4); The first limiting portion (411) and the second limiting portion (13) are in limiting cooperation.

7. The mid-beam core assembly according to claim 6, characterized in that: The connecting member (4) comprises a first connecting member (41) and a second connecting member (42), wherein the first connecting member (41) is sleeved on the second connecting member (42); and the first limiting portion (411) is provided on the first connecting member (41).

8. The mid-beam core assembly according to claim 5, characterized in that: The shape of the connecting piece (4) is circular or square.

9. The mid-beam core assembly according to claim 7, characterized in that: The middle beam (1), the lifting member (2), the rotating member (3) and the connecting member (4) are made of metal.

10. A cosmetic container, characterized in that: It comprises a protective cover (5), a lower shell (6) and a middle beam core assembly according to any one of claims 1 to 9; The middle beam core assembly is fixedly sleeved in the lower shell (6), and the protective cover (5) can be buckled onto the middle beam core assembly.

Images