CN115606928A - Replaceable cosmetic container and mold for manufacturing same - Google Patents

Abstract

The application relates to a but substitution cosmetics container and make mould of this container, the cosmetics container includes inner bag and shell, the inner bag includes upper shed end and lower blind end, the radial outside extension of upper shed end forms the turn-ups, the shell is including the top that has the fretwork and the bottom that has the fretwork, the inner bag install in the shell, the turn-ups lock in the top, the inner bag with top interference fit, the blind end is located down the inboard of bottom. The inner bag in this container can be replaced, and is fixed together through interference fit between the top of inner bag and shell, therefore can used repeatedly except that the other parts of inner bag in the container, has reduced the waste of resource, and the inner bag dismouting is convenient, convenient to use.

Description

Replaceable cosmetic container and mold for manufacturing same

technical field

This application relates to cosmetic technology, in particular to a replaceable cosmetic container and a mold for manufacturing the container.

Background technique

Cosmetics are common products in daily chemical products, and generally include a shell and a liner placed in the shell. In the production process, the inner tank and the outer shell are generally separate parts, and the two are fixedly connected together during assembly. When the cosmetic material in the inner container is used up, the container is directly discarded, which causes a waste of resources and does not meet the requirements of environmental protection.

Contents of the invention

In order to overcome the above-mentioned defects, the present application provides a replaceable cosmetic container, the inner liner in the container can be replaced, and the inner liner and the outer shell are fixed together by interference fit, so other items in the container except the inner liner The components can be reused, reducing the waste of resources, and the inner tank is easy to disassemble and use.

The technical scheme that the application adopts in order to solve its technical problem is:

A replaceable cosmetic container, comprising an inner container and an outer shell, the inner container includes a hollow upper open end and a lower closed end, the upper open end extends radially outward to form a flange, and the outer shell includes a hollow The top end and the bottom end with a hollow, the inner liner is installed in the shell, the flange is fastened to the top end, the top end is interference fit with the inner liner, and the lower closed end is located at the the inner side of the bottom.

Optionally, the top end extends in the axial direction to form an insertion piece, the flange is fastened on the insertion piece, and the insertion piece is in interference fit with the inner container, and the inner container includes an inner container body and the flanging.

Optionally, the outer sidewall of the insertion piece extends radially outward to form ribs, and the ribs are in interference fit with the inner sidewall of the flange, or the inner sidewall of the flange is radially inward The ribs are extended to form convex ribs, and the ribs are in interference fit with the outer side wall of the insertion piece.

Optionally, the inner sidewall of the insert extends radially inward to form ribs, and the ribs are in interference fit with the outer sidewall of the liner main body, or the outer sidewall of the inner liner main body radially Extending outward to form convex ribs, the convex ribs are in interference fit with the inner side wall of the insertion piece.

Optionally, the replaceable cosmetic container is provided with a first sub-rib and a second sub-rib, and the first sub-rib is used to align the inner wall of the insert with the inner wall of the liner main body. The outer wall interferes, and the second sub-rib is used to make the outer wall of the insertion piece interfere with the inner wall of the flange.

Optionally, the inner sidewall of the insertion piece extends radially inward to form the first sub-bead, and the outer sidewall of the insertion piece extends radially outward to form the second sub-rib;

Or, the inner side wall of the insertion piece extends radially inward to form the first sub-bead, and the inner side wall of the flange extends radially inward to form the second sub-rib;

Or, the inner side wall of the flange extends radially inward to form the second sub-bead, and the outer wall of the liner main body extends radially outward to form the first sub-rib;

Or, the outer wall of the liner body extends radially outward to form the first sub-bead, and the outer wall of the insert piece extends radially outward to form the second sub-rib.

Optionally, a gap is provided between the outer side wall of the liner and the inner side wall of the outer shell; the distance between the bottom surface of the lower closed end and the bottom surface of the bottom end is L, and L is 1.5±1mm.

Optionally, the shell is a transparent shell, and a transparent protective film is pasted on the bottom end, and the protective film seals the hollow on the bottom end.

Optionally, the outer wall of the liner forms a card slot in the axial direction, the inner wall of the outer shell forms a rib that can be inserted into the card slot in the axial direction, or the inner wall of the outer shell forms a card slot in the axial direction. groove, and the outer wall of the liner forms a rib that can be locked into the groove along the axial direction.

The present application also provides a mold, which is used to manufacture the above-mentioned replaceable cosmetic container.

The beneficial effects of this application are: in this application, the inner liner is fastened to the top of the outer shell through the flanging, and then the inner liner is interference-fitted to the insert of the outer shell so that the two are tightly combined, because the inner liner is only connected to the insert of the outer shell Interference fit, there is a gap between the liner and other parts of the shell, so the contact surface between the liner and the shell is small, the friction is small, the installation and disassembly are very convenient, and the structure of the liner and the shell is simple, the manufacturing cost is low, and it is easy to Industrialized production; the liner in this application can be replaced, so other parts except the liner can be reused, which reduces the waste of resources and meets environmental protection requirements; when the liner is loaded into the shell, the lower closed end of the liner is located in the shell The inner side of the bottom end of the inner tank, so the lower closed end of the inner tank is not in contact with the outside world, reducing the possibility of damage to the inner tank.

Description of drawings

Fig. 1 is the sectional view of cosmetics container among the present application;

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is the front view of the cosmetics container in the present application;

Fig. 4 is the top view of the cosmetics container in the present application;

Fig. 5 is one of the explosion diagrams of the cosmetic container in the present application;

Figure 6 is the second exploded view of the cosmetic container in the present application;

Fig. 7 is the third exploded view of the cosmetic container in the present application;

Fig. 8 is the enlarged view of place B in Fig. 7;

Fig. 9 is the structural representation of liner in the present application;

Figure 10 is an enlarged view at C in Figure 9;

Figure 11 is a schematic structural view of the housing in the present application;

In the figure: 10-inner tank, 11-upper open end, 12-lower closed end, 13-notch, 14-flange, 15-gap, 20-shell, 21-top, 22-bottom, 23-insert , 24-rib, 30-cover, 40-gasket, 50-cover.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

It should be noted that the terms "first" and "second" in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence . It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

Embodiment: As shown in Figures 1-11, a replaceable cosmetic container includes an inner container 10 and an outer shell 20. The inner container 10 includes a hollow upper open end 11 and a lower closed end 12. The upper open end 11 is radially Extend outward to form a flange 14, the shell 20 includes a hollow top 21 and a hollow bottom 22, the inner liner 10 is installed in the shell 20, the flange 14 is fastened to the top 21, and the top 21 interferes with the inner liner 10 Fittingly, the lower closed end 12 is located inwardly of the bottom end 22 .

As shown in Figures 5-7, the liner 10 is a cylindrical structure with an open upper end, a closed lower end, and a hollow interior. The accommodating tank formed in the inner hollow of the inner container 10 is used for storing cosmetic materials or skin care materials, and the above materials can be pastes. The upper opening end 11 forms a circle of closed flanges 14 along the circumferential direction, as shown in FIG. 9 and FIG. 10 , there is a certain gap between the flanges 14 and the inner container 10 . Optionally, the upper open end 11 first extends radially outward, and then extends axially downward to form a flange 14 with a longitudinal section similar to an "L" shape; also referring to Figures 5-7, the shell 20 is open at the upper and lower ends 1. The inner hollow cylindrical structure, the housing 20 is used to place the inner tank 10 in the housing 20. The outer shell 20 is similar in structure to the inner tank 10, and can be in the shape of a cylinder, a frustum of a cone, or a polyhedron. When the liner 10 is mounted on the shell 20, the top 21 of the shell 20 is inserted into the gap between the flange 14 and the main body of the liner, and the two are closely combined through the interference fit between the liner 10 and the top 21 of the shell 20, The so-called interference fit between the inner liner 10 and the top 21 of the shell 20: it can be the interference fit between the outer wall of the top 21 and the inner liner 10, or the interference fit between the inner wall of the top 21 and the inner liner 10; it can also be the top 21 The inner and outer walls of the inner tank 10 are interference fit with the inner tank 10; when the material in the inner tank 10 is used up, the lower closed end 12 of the inner tank 10 is subjected to an upward external force from the hollowed out part of the bottom end 22 of the outer shell 20, The liner 10 moves upwards and separates from the shell 20, and then a new liner 10 can be installed to complete the replacement of the liner, which is very convenient to operate.

In the present application, the inner liner is fastened to the top of the outer shell through the flanging, and then the inner liner and the top 21 of the outer shell 20 are interferingly fitted to the outer shell so that the two are tightly combined, so the installation and disassembly are very convenient, and the inner liner and the outer shell are tightly connected. The structure is simple, the manufacturing cost is low, and it is easy for industrial production; the liner in this application can be replaced, so other parts except the liner can be reused, which reduces the waste of resources and meets the requirements of environmental protection; when the liner is installed in the shell, The lower closed end of the liner is located inside the bottom end of the shell, so the lower closed end of the liner does not contact the outside world, reducing the possibility of damage to the liner.

As shown in Figure 2 and Figure 8, the top end 21 extends along the axial direction to form an insert 23, the flange 14 is fastened on the insert 23, and the insert 23 is interference fit with the inner container 10, and the inner container 10 includes the inner container Main body and flange14. The upper surface of the top end 21 extends axially upwards to form an insertion piece 23, the thickness of the insertion piece is smaller than the thickness of the top end, the insertion piece 23 is inserted into the flange 14 and the flange 14 is placed on the top 21, and the liner 10 except the flange 14 Partially defined as the main body of the inner tank, the inner tank 10 is composed of the main body of the inner tank and the flange 14, and there are the following three implementation modes for the interference fit between the insert 23 and the inner tank 10: the outer wall of the insert 23 and the inner tank 10 The flange 14 is interference fit; or the inner wall of the insert 23 is interference fit with the main body of the liner; or the inner and outer walls of the insert 23 are interference fit with the main body of the inner tank and the flange respectively.

As shown in FIG. 2 , in one embodiment, the outer side wall of the insertion piece 23 extends radially outward to form a rib 24 , and the rib 24 is in interference fit with the inner side wall of the flange 14 , or the inner side wall of the flange 14 A rib 24 is formed extending radially inward, and the rib 24 is in interference fit with the outer side wall of the insertion piece 23 . That is, between the insert piece 23 and the flange 14, there is an interference fit between the ribs 24. Optionally, the insert piece 23 or the flange 14 forms one or more circles of ribs 24 along the circumferential direction, or, the insert piece 23 or the flange 14 The edge 14 forms several mutually spaced ribs 24 along the circumferential direction; that is, a circle of ribs or several parallel ribs 24 are interferingly fitted between the insert piece 23 and the flange 14; the ribs 24 can also be designed as mutual intervals of segments, rather than a full circle.

In another embodiment, the inner side wall of the insert piece 23 extends radially inward to form a rib 24, and the rib 24 is in interference fit with the outer side wall of the main body of the liner, or the outer side wall of the main body of the inner liner is radially outward The ribs 24 are extended to form an interference fit with the inner side wall of the insertion piece 23 . That is, the insert piece 23 and the outer wall of the liner 10 close to the upper opening end 11 are interference fit through the ribs 24; optionally, the insert piece 23 or the liner 10 forms a circle or several circles of parallel ribs 24 in the circumferential direction , Or, the insert piece 23 or the liner 10 forms several ribs 24 spaced apart from each other along the circumferential direction.

In yet another embodiment, the replaceable cosmetic container is provided with a first sub-rib and a second sub-rib, the first sub-rib is used to make the inner side wall of the insert 23 interfere with the outer side wall of the liner main body , the second sub-rib is used to make the outer sidewall of the insertion piece 23 interfere with the inner sidewall of the flange 14 . Specifically, there are the following four situations:

The first case: the inner sidewall of the insertion piece 23 extends radially inward to form a first sub-rib, and the outer sidewall of the insertion piece 23 extends radially outward to form a second sub-rib;

The second case: the inner sidewall of the insert 23 extends radially inward to form a first sub-bead, and the inner sidewall of the flange 14 extends radially inward to form a second sub-rib;

The third case: the inner side wall of the flange 14 extends radially inward to form a second sub-bead, and the outer wall of the main body of the liner extends radially outward to form a first sub-rib;

Fourth situation: the outer wall of the main body of the liner extends radially outward to form a first sub-rib, and the outer wall of the insert piece 23 extends radially outward to form a second sub-rib.

That is, in the above four cases, the inner and outer walls of the insert piece 23 are in interference fit with the main body of the liner and the flange 14 through the first sub-rib and the second sub-rib respectively.

As shown in Figure 1, there is a gap 15 between the outer wall of the inner container 10 and the inner wall of the outer shell 20; There is a gap 15 between them, so that the contact area between the two is very small, which reduces the resistance when installing and changing the inner tank, and is convenient for the disassembly of the inner tank. And if directly through the large-area bonding between the inner tank 10 and the outer shell 20 and the interference contact or frictional contact, due to the larger contact area, the resistance is very large when the inner tank is installed or disassembled on the outer shell, which is very inconvenient to use, and it is very inconvenient for the inner tank. Both the dimension accuracy of the housing and the housing are highly required, which increases the processing cost.

As shown in FIG. 1 , the distance between the bottom surface of the lower closed end 12 and the bottom surface of the bottom end 22 is L, and L is 1.5±1mm. The lower closed end 12 of the liner is designed inside the bottom end 22 of the shell, and the indentation of the lower closed end is controlled at about 1.5mm, which can ensure that the lower closed end of the inner liner will not touch the outside world, and as far as possible Increased the volume of the inner tank.

Optionally, the shell 20 is a transparent shell, and a transparent protective film is pasted on the bottom end 22, and the protective film seals the hollow on the bottom end 22. The shell 20 can be made of high-grade materials, such as high-grade metal and plastic, and the inner container 10 of the replaceable part can be made of common plastic, so that the quality of the cosmetic container can be guaranteed and the cost can be appropriately reduced. Pasting the transparent protective film on the bottom end 22 of the shell can prevent external dust from entering between the shell and the liner, thus ensuring the cleanliness of the cosmetic container.

Optionally, the outer wall of the liner 10 forms a card slot in the axial direction, the inner wall of the outer shell 20 forms a rib that can be inserted into the card slot in the axial direction, or the inner wall of the outer shell 20 forms a card slot in the axial direction, and the inner tank 10 The outer wall of the axially forms a rib that can be snapped into the slot. The circumferential direction between the outer shell 20 and the inner container 10 is limited by the groove and the rib, so as to further prevent the inner container 10 from rotating relative to the outer shell 20 and facilitate use.

As shown in Figures 1-7, the application also includes an outer cover 30, a gasket 40 and a cover sheet 50, the upper opening end 11 is provided with a gap 13, and the cover sheet 50 is placed on the gap 13 to seal the upper opening end 11, The outer cover 30 is detachably covered on the housing 20 , a gasket 40 is disposed between the outer cover 30 and the cover 50 , and the gasket 40 is attached to the inner side of the outer cover 30 . The inner container 10 is placed in the outer shell 20, and the ribs 24 are used for interference fit between the two. The cover sheet 50 covers the upper opening end 11 of the inner container 10 and is placed on the gap 13. The inner wall of the outer cover 30 is provided with There are internal threads, the outer wall of the shell 20 is provided with external threads, the outer cover 30 is locked on the shell 20 through the internal and external threads, a gasket 40 is provided between the outer cover 30 and the cover sheet 50 to further seal the inner tank 10, and at the same time The wear between the outer cover 30 and the inner container 10 can be reduced.

The present application also provides a mold, which is used to manufacture the above-mentioned replaceable cosmetic container. The inner tank 10, the outer shell 20 and the outer cover 30 in the present application can be molded separately through molds, and assembled after molding. The structure of the inner tank and the outer shell is simple, so the mold manufacturing cost is low, and the industrial production of the product is easy.

It should be noted that the above mold can be understood as several sets of molds according to actual production conditions, each set of molds is used for injection molding a part of the replaceable cosmetic container, and each part is assembled to form a replaceable cosmetic container. For example, a mold may include a first mold, a second mold, a third mold, a fourth mold, and a fifth mold. Wherein, the first mold is used to produce inner tank 10, the second mold is used to produce shell 20, the third mold is used to produce outer cover 30, the fourth mold is used to produce gasket 40, and the fifth mold is used to produce cover sheet 50 . In another possible implementation manner, the gasket 40 is manufactured using a non-injection molding process, and a mold specified in this application may include a first mold, a second mold, a third mold and a fifth mold.

It should be noted that the molds can be freely combined and assembled according to the actual manufacturing situation, and molds capable of injection molding the replaceable cosmetic containers disclosed in this application are within the scope of protection of this application.

It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims (10)

1. A replaceable cosmetic container, characterized in that: it comprises an inner container (10) and a shell (20), and the inner container (10) includes a hollow upper open end (11) and a lower closed end (12) , the upper open end (11) extends radially outwards to form a flange (14), the outer shell (20) includes a hollow top (21) and a hollow bottom (22), the inner tank ( 10) Installed in the shell (20), the flange (14) is fastened to the top (21), the top (21) is in interference fit with the liner (10), and the bottom The closed end (12) is located inwardly of said bottom end (22). 2. The replaceable cosmetic container according to claim 1, characterized in that: the top end (21) extends along the axial direction to form an insert (23), and the flange (14) is fastened to the insert on the sheet (23), and the insertion sheet (23) is in interference fit with the inner container (10), and the inner container (10) includes an inner container main body and the flange (14). 3. The replaceable cosmetic container according to claim 2, characterized in that: the outer wall of the insert (23) extends radially outwards to form ribs (24), and the ribs (24) and The inner side wall of the flange (14) is interference fit, or the inner side wall of the flange (14) extends radially inward to form a rib (24), and the rib (24) and the insertion piece (23) The outer wall interference fit. 4. The replaceable cosmetic container according to claim 2, characterized in that: the inner side wall of the insert (23) extends radially inwards to form ribs (24), and the ribs (24) and The outer wall of the main body of the liner is in interference fit, or the outer wall of the main body of the inner liner extends radially outwards to form ribs (24), and the ribs (24) and the inserts (23) Internal wall interference fit. 5. The replaceable cosmetic container according to claim 2, characterized in that: the replaceable cosmetic container is provided with a first sub-rib and a second sub-rib, the first sub-rib is used for Make the inner wall of the insert (23) interfere with the outer wall of the liner main body, and the second sub-rib is used to make the outer wall of the insert (23) and the flange (14) ) inner wall interference. 6. The replaceable cosmetic container according to claim 5, characterized in that: the inner side wall of the insertion piece (23) extends radially inward to form the first sub-rib, and the insertion piece (23) ) the outer side wall extends radially outward to form the second sub-rib; Or, the inner side wall of the insertion piece (23) extends radially inward to form the first sub-bead, and the inner side wall of the flange (14) extends radially inward to form the second sub-rib muscle Or, the inner side wall of the flange (14) extends radially inward to form the second sub-rib, and the outer side wall of the liner main body extends radially outward to form the first sub-rib; Or, the outer wall of the liner main body extends radially outwards to form the first sub-beads, and the outer wall of the insert (23) extends radially outwards to form the second sub-beads. 7. The replaceable cosmetic container according to claim 1, characterized in that: there is a gap (15) between the outer wall of the inner container (10) and the inner wall of the outer shell (20); The distance between the bottom surface of the lower closed end (12) and the bottom surface of the bottom end (22) is L, and L is 1.5±1mm. 8. The replaceable cosmetic container according to claim 1, characterized in that: the shell (20) is a transparent shell, and a transparent protective film is pasted on the bottom end (22), and the protective film covers the Hollow seal on the bottom end (22). 9. The replaceable cosmetic container according to claim 1, characterized in that: the outer wall of the inner container (10) forms a slot in the axial direction, and the inner wall of the outer shell (20) forms a slot in the axial direction. The rib inserted into the slot, or the inner side wall of the shell (20) forms a slot along the axial direction, and the outer side wall of the liner (10) forms a rib that can be snapped into the slot along the axial direction . 10. A mold, characterized in that the mold is used to manufacture the replaceable cosmetic container according to any one of claims 1-9.

Images