Cosmetic container of plastic-free replacement device and replacement device

Abstract

The utility model relates to the field of cosmetics, in particular to a cosmetic container and a replacement device. A cosmetic container of a plastic-free replacement device comprises an outer bottle body, a replacement inner bottle, a middle cover and a dustproof cover, the replacement inner bottle is made of degradable materials, the middle cover is made of durable materials and is a barrel with two open ends, and the top of the middle cover extends outwards to form a blank holder. Connecting mechanisms matched with each other are arranged between the bottom end of the middle cover and the top end of the replacement inner bottle, the middle cover and the replacement inner bottle are connected into a whole and then placed in the outer bottle body, and the blank holder is matched with the dustproof cover. According to the cosmetic container, the middle cover is arranged, the connecting mechanism matched with the replacement inner bottle is arranged on the middle cover, the connecting mechanism of the replacement inner bottle and the connecting mechanism of the inner bottle cover of the replacement inner bottle are universal, and the sealing reliability needed by the replacement device in the transportation and storage states is achieved through sealing connection of the mechanisms. And the overall comprehensive plastic limiting requirement of the replacement device is met.

Description

Technical Field

[0001] This utility model relates to the field of cosmetics, and in particular to a cosmetic container and replacement device. Background Technology

[0002] Currently, after skincare cream jars are used up, the entire jar is discarded and cannot be reused. The lifespan of the jar is far longer than the actual usage time of the cosmetics inside, resulting in extreme waste of packaging materials. Moreover, most of these jars are made of high molecular polymers, which are usually non-biodegradable. The large amount of discarded jar materials after use will seriously pollute the environment.

[0003] The prior art announcement number CN219125600U discloses a replaceable cosmetic container. The cosmetic container adopts a combination of a long-term usable outer bottle and a replaceable inner bottle made of environmentally friendly materials. When discarding, the biodegradable and plastic-free replaceable inner bottle needs to be discarded, which will not cause environmental pollution. The replaceable inner bottle is sealed with a sealing film before use to facilitate transportation and storage.

[0004] As consumers demand higher levels of plastic reduction, there are also requirements for the sealing film material of existing replacement inner bottles to be fluorine-free and plastic-free. However, the sealing performance and reliability of fluorine-free and plastic-free sealing films present significant technical challenges. Therefore, it is necessary to improve the structure of existing replaceable cosmetic containers to meet market demands. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a cosmetic container and replacement device without plastic replacement device. By changing the overall structure of the replacement inner bottle to a split structure, the sealing reliability problem in the case of the replacement inner bottle being entirely without plastic is solved.

[0006] This utility model is implemented as follows: A cosmetic container without a plastic replacement device includes an outer bottle body, a replacement inner bottle, a middle cap, and a dust cover. The outer bottle body is a can with an open top. The dust cover is installed on the top of the outer bottle body. The replacement inner bottle is made of a biodegradable material. The middle cap is made of a durable material and is a cylindrical body with open ends. The top of the middle cap extends outward to form a pressing ring. A matching connecting mechanism is provided between the bottom of the middle cap and the top of the replacement inner bottle. The middle cap and the replacement inner bottle are connected as one unit and placed inside the outer bottle body, and the pressing ring matches the dust cover.

[0007] An airtight gasket is provided inside the dust cover, and the airtight gasket cooperates with the pressure ring.

[0008] The connecting mechanism includes an external thread on the outer ring of the top of the replacement inner bottle and an internal thread on the inner ring of the bottom of the middle cap, wherein the external thread and the internal thread cooperate.

[0009] The sealing connection mechanism includes an external thread on the outer ring of the top of the replacement inner bottle and a snap-fit ​​protrusion on the bottom of the middle cap. The width of the snap-fit ​​protrusion's groove matches the width of the thread root of the external thread.

[0010] The buckle protrusion is made of elastic rubber material.

[0011] When the dust cover is installed on the outer bottle, the dust cover and the outer wall of the outer bottle are on the same plane.

[0012] A replacement device for a cosmetic container used in the aforementioned plastic-free replacement device, the replacement device being entirely made of biodegradable material, comprising a replacement inner bottle and an inner bottle cap, wherein the inner bottle cap cooperates with a sealing connection mechanism on the replacement inner bottle to seal and cover the replacement inner bottle.

[0013] The connecting mechanism includes an external thread on the outer ring of the top of the replacement inner bottle, and the inner bottle cap is provided with an inner cap thread that mates with the external thread.

[0014] The inner bottle cap has a ring of anti-slip grooves arranged around its outer periphery.

[0015] The outer diameter of the top of the replacement inner bottle is slightly smaller than the outer diameter of the bottom.

[0016] This utility model relates to a cosmetic container and a replacement device without plastic. The cosmetic container has a middle cover, and a connecting mechanism on the middle cover that cooperates with the replacement inner bottle. The connecting mechanism of the replacement inner bottle is the same as the connecting mechanism of the inner bottle cap. The sealing connection of the mechanism solves the sealing reliability problem required by the replacement device during transportation and storage, thus meeting the overall plastic restriction requirements of the replacement device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the cosmetic container of the plastic-free replacement device of this utility model;

[0018] Figure 2 This is a schematic diagram of the cosmetic container after assembly in this utility model;

[0019] Figure 3 This is an exploded view of the parts of a cosmetic container according to Embodiment 1 of this utility model;

[0020] Figure 4 This is an exploded view of the parts of a cosmetic container according to Embodiment 2 of this utility model;

[0021] Figure 5 This is a schematic diagram of the replacement device in this utility model.

[0022] In the diagram: 1 Outer bottle body, 2 Replacement inner bottle, 3 Middle cap, 4 Dust cover, 5 Connecting mechanism, 6 Airtight gasket, 7 Inner bottle cap, 21 External thread, 31 Pressure ring, 32 Internal thread, 33 Buckle protrusion, 71 Inner cap thread, 72 Anti-slip groove. Detailed Implementation

[0023] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the description of the present invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims. Example

[0024] like Figure 1 , 2 As shown, a cosmetic container without a plastic replacement device includes an outer bottle body 1, a replacement inner bottle 2, a middle cap 3, and a dust cover 4. The outer bottle body 1 is a can with an open top, and the dust cover 4 is installed on the top of the outer bottle body 1. The replacement inner bottle 2 is made of a biodegradable material, and the middle cap 3 is made of a durable material. The middle cap 3 is a cylindrical body with open ends, and the top of the middle cap 3 extends outward to form a pressing ring 31. A connecting mechanism 5 is provided between the bottom end of the middle cap 3 and the top end of the replacement inner bottle 2. After the middle cap 3 and the replacement inner bottle 2 are connected as one unit, they are placed inside the outer bottle body 1, and the pressing ring 31 cooperates with the dust cover 4.

[0025] In this utility model, in order to prevent the cream in the inner bottle 2 from leaking into the inner area of ​​the outer bottle 1 when the dust cover 4 is closed, thus affecting the consumer's experience of cleanliness, an airtight gasket 6 is provided inside the dust cover 4, and the airtight gasket 6 cooperates with the pressure ring 31.

[0026] like Figure 5 As shown, a replacement device for a cosmetic container used in the plastic-free replacement device is provided. The entire replacement device is made of biodegradable material, which is a paper material made of wood fiber, bamboo fiber, chitin fiber or polylactic acid fiber. The replacement device includes a replacement inner bottle 2 and an inner bottle cap 7. The inner bottle cap 7 is made of biodegradable material and cooperates with a sealing connection mechanism 5 on the replacement inner bottle 2 to seal and cover the replacement inner bottle 2.

[0027] In this embodiment, preferably, the connecting mechanism 5 includes an external thread 21 disposed on the outer ring of the top of the replacement inner bottle 2, and the inner bottle cap 7 is provided with an inner cap thread 71 that mates with the external thread 21.

[0028] Considering that the replacement device will have certain airtightness requirements when it is not in use during storage and transportation, the inner bottle cap 7 and the replacement inner bottle 2 will be interference fit and screwed together; therefore, a certain torque is required when opening the inner bottle cap 7. The outer periphery of the inner bottle cap 7 has a ring of anti-slip grooves 72 to ensure that the rotational torque requirement can be met relatively easily when opening the inner bottle cap 7.

[0029] Furthermore, in this invention, in order to facilitate the insertion / removal of the replacement inner bottle 2 into / from the outer bottle body 1, the outer diameter of the top end of the replacement inner bottle 2 is slightly smaller than the outer diameter of the bottom end.

[0030] like Figure 3 As shown in the first embodiment, the connecting mechanism 5 includes an external thread 21 disposed on the outer ring of the top of the replacement inner bottle 2 and an internal thread 32 disposed on the inner ring of the bottom of the middle cover 3, wherein the external thread 21 and the internal thread 32 are engaged.

[0031] like Figure 4 As shown in Embodiment 2, the sealing connection mechanism 5 includes an external thread 21 disposed on the outer ring of the top of the replacement inner bottle 2 and a snap-fit ​​protrusion 33 disposed on the bottom of the middle cover 3. The width of the slot of the snap-fit ​​protrusion 33 matches the width of the tooth root of the external thread 21. In this embodiment, preferably, the snap-fit ​​protrusion 33 is made of elastic rubber material.

[0032] Considering the overall aesthetics of cosmetic containers, when the dust cover 4 is installed on the outer bottle body 1, the dust cover 4 and the outer wall of the outer bottle body 1 are on the same plane.

Claims

1. A cosmetic container without a plastic replacement device, comprising an outer bottle (1), a replacement inner bottle (2), a middle cap (3), and a dust cap (4), wherein the outer bottle (1) is a can with an open top, the dust cap (4) is fitted onto the top of the outer bottle (1), and the replacement inner bottle (2) is made of a biodegradable material, characterized in that: The middle cover (3) is made of durable material. The middle cover (3) is a cylindrical body with open ends. The top of the middle cover (3) extends outward to form a pressing ring (31). A connecting mechanism (5) is provided between the bottom of the middle cover (3) and the top of the replacement inner bottle (2). After the middle cover (3) and the replacement inner bottle (2) are connected as one unit, they are placed inside the outer bottle body (1), and the pressing ring (31) cooperates with the dust cover (4).

2. The cosmetic container with a plastic-free replacement device as described in claim 1, characterized in that: An airtight gasket (6) is provided inside the dust cover (4), and the airtight gasket (6) cooperates with the pressure ring (31).

3. The cosmetic container with a plastic-free replacement device as described in claim 2, characterized in that: The connecting mechanism (5) includes an external thread (21) on the outer ring of the top of the replacement inner bottle (2) and an internal thread (32) on the inner ring of the bottom of the middle cover (3), wherein the external thread (21) and the internal thread (32) are engaged.

4. The cosmetic container with a plastic-free replacement device as described in claim 2, characterized in that: The connecting mechanism (5) includes an external thread (21) on the outer ring of the top of the replacement inner bottle (2) and a snap-fit ​​protrusion (33) on the bottom of the middle cover (3). The width of the slot of the snap-fit ​​protrusion (33) matches the width of the tooth root of the external thread (21).

5. The cosmetic container with a plastic-free replacement device as described in claim 4, characterized in that: The buckle protrusion (33) is made of elastic rubber material.

6. The cosmetic container with a plastic-free replacement device as described in any one of claims 1-5, characterized in that: When the dust cover (4) is installed on the outer bottle body (1), the dust cover (4) and the outer wall of the outer bottle body (1) are on the same plane.

7. A replacement device for a cosmetic container used in any one of the plastic-free replacement devices as claimed in claims 1-6, characterized in that: The replacement device is made entirely of biodegradable materials, including a replacement inner bottle (2) and an inner bottle cap (7). The inner bottle cap (7) cooperates with the sealing connection mechanism (5) on the replacement inner bottle (2) to seal and cover the replacement inner bottle (2).

8. The replacement device as claimed in claim 7, characterized in that: The connecting mechanism (5) includes an external thread (21) on the outer ring of the top of the replacement inner bottle (2), and the inner bottle cap (7) is provided with an inner cap thread (71) that mates with the external thread (21).

9. The replacement device as claimed in claim 7, characterized in that: The inner bottle cap (7) has a ring of anti-slip grooves (72) arranged around its outer periphery.

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