Paste bottle

Abstract

Disclosed in the present application is a paste bottle, comprising an outer bottle body and an inner bottle body, wherein the inner bottle body is detachably assembled in the outer bottle body; a screw rod and a piston are provided in the inner bottle body; an outer base is rotationally connected to the bottom of the outer bottle body; an inner base is provided at the bottom of the inner bottle body; a rotating seat is connected to the bottom of the screw rod; the rotating seat is rotationally connected to the bottom of the inner bottle body and abuts against the inner base; the rotating seat is provided with a first limiting portion that abuts against the bottom of the inner bottle body; and the outer base is provided with a second limiting portion and a rotating portion; the second limiting portion abuts against the inner base, and the rotating portion passes through the inner base to fit with the rotating seat to stop rotation. The present application aims to solve technical problems existing in the prior art, and provides a paste bottle, which can improve airtight performance, even achieving air tightness at 0.05 MPa, thereby maintaining the freshness of paste for a long time, whilst also allowing the use of soft rubber products, providing a more diverse range of products.

Description

A cream bottle TECHNICAL FIELD

[0001] The present application relates to the technical field of containers, in particular to a cream bottle. BACKGROUND

[0002] In modern life, people will use containers to hold cream, such as body cream bottles. The existing body cream bottles are basically disposable, and the bottle is discarded when the cream is used up. This not only causes waste of materials, but also causes environmental pollution due to the difficulty of degradation of plastic garbage, and ecological disaster due to the small size of plastic parts being easily swallowed by animals.

[0003] On the other hand, the existing containers for holding cream, such as body cream bottles, have poor sealing performance, and the volatile substances in the product can easily escape through the joint of the bottle to the outside. For products containing volatile materials, containers with poor sealing performance can cause the product effective components to be volatilized before use, reducing the performance and use effect of the product, and also polluting the product transportation and storage space.

[0004] The existing cream bottle adopts a replaceable inner bottle structure, but due to the sealing performance, it can usually only use solid cream, and cannot meet the requirements of soft gel products. SUMMARY

[0005] The present application aims to solve at least one of the technical problems existing in the prior art, and provides a cream bottle with good airtightness, even up to 0.05Mpa, which can maintain the freshness of the cream for a long time, and also allows the application of soft gel products, making the product more diverse. TECHNICAL SOLUTION

[0006] To solve the above problems, the technical solution provided by the present application is:

[0007] A cream bottle, comprising an outer bottle body and an inner bottle body, the inner bottle body being detachably assembled in the outer bottle body, a screw rod and a piston being arranged in the inner bottle body, a bottom of the outer bottle body being detachably connected with an outer base, a bottom of the inner bottle body being provided with an inner base, a bottom of the screw rod being connected with a rotating seat, the rotating seat being rotationally connected to the bottom of the inner bottle body and abutting against the inner base, the rotating seat being provided with a first limiting portion abutting against the bottom of the inner bottle body, the outer base being provided with a second limiting portion and a rotating portion, the second limiting portion abutting against the inner base, and the rotating portion being in stop rotation cooperation with the rotating seat through the inner base.

[0008] Optionally, the connection between the bottom of the outer bottle body and the outer base can be achieved by circumferential relative movement, such as threaded rotation connection, or by axial relative movement, for example, by pulling up and down to achieve detachable connection. Optionally, the first limiting portion is arranged at the lower end of the rotating seat, and the diameter of the first limiting portion is greater than the diameter of the rotating seat.

[0009] Optionally, the inner base is provided with a pressing ring matched with the bottom surface of the first limiting part, and the bottom surface of the first limiting part is provided with a pressing groove matched with the pressing ring.

[0010] Optionally, a first sealing ring is arranged between the pressing ring and the pressing groove.

[0011] Optionally, the bottom of the inner bottle body is provided with an outer ring on the outer circumferential side of the inner base, and a second sealing ring is arranged between the inner base and the outer ring. Alternatively, the second sealing ring can also not be arranged.

[0012] Optionally, the rotating part is a protruding column arranged at the center of the outer base, the surface of the protruding column is provided with a rotation stopping protrusion, the bottom of the rotating seat is provided with a slot matched with the protruding column, and the slot is provided with a rotation stopping groove matched with the rotation stopping protrusion.

[0013] Optionally, the outer bottle body and the inner bottle body are made of the same material, for example, recycled material, or can be made of different materials.

[0014] Optionally, the medium in the inner bottle body is a soft glue product, and the inner bottle body is provided with an inner bottle cap at the opening, and the inner bottle cap is uniformly provided with a plurality of soft glue outlets. Beneficial effects

[0015] Compared with the prior art, the technical scheme provided by the present application has the following beneficial effects:

[0016] The paste bottle is in abutment with the lower end surface of the inner base through the second limiting part, the inner base is in abutment with the bottom surface of the inner bottle body, the inner base is in abutment with the rotating seat, and the rotating seat is in abutment with the inner bottle body, so as to realize multiple sealing, all the sealing forces come from the force applied to the outer base by the user when rotating, and cooperate with the existing sealing ring structure, so as to have good air tightness, even 0.05mpa, and can keep the freshness of the paste for a long time, and also allows the application of soft glue products, and the product is more diverse. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic view of a paste bottle (the internal medium is a solid paste) according to an embodiment of the present application;

[0018] Fig. 2 is a partial schematic view of A in Fig. 1;

[0019] Fig. 3 is a partial schematic view of B in Fig. 1;

[0020] Fig. 4 is a structural schematic view of a paste bottle (the internal medium is a soft glue product) according to an embodiment of the present application;

[0021] Fig. 5 is a cross-sectional view of the cooperation between the inner base and the inner bottle body of a paste bottle according to another embodiment of the present application.

[0022] 1, outer bottle body; 2, inner bottle body; 3, screw rod; 4, piston; 5, outer base; 6, inner base; 7, rotating seat; 8, first limiting part; 9, second limiting part; 10, rotating part; 11, pressing ring; 12, first sealing ring; 13, outer ring; 14, second sealing ring; 15, inner bottle cap; 16, soft rubber outlet; 17, outer bottle cap; 18, sealing cap. DETAILED DESCRIPTION

[0023] To make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the protection scope of the present application.

[0024] It should be noted that when an element is referred to as "fixed to", "disposed on", "fixed on" or "arranged on" another element, it can be directly on the other element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a middle element. Further, when an element is considered to be "fixedly connected" to another element, the two can be fixed in a detachable manner or fixed in a non-detachable manner such as sleeving, clamping, integrally formed fixing, welding, etc. which can be achieved in the prior art and will not be described here. When an element is perpendicular or approximately perpendicular to another element, it means that the ideal state of the two is perpendicular, but due to manufacturing and assembly, there can be a certain vertical error. The terms "perpendicular", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiment.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] The "first", "second" involved in the present application do not represent the specific number and order, but only for the purpose of distinguishing names.

[0027] With reference to FIGS. 1-4, the cream bottle of the present embodiment comprises an outer bottle body 1 and an inner bottle body 2, the inner bottle body 2 being detachably assembled in the outer bottle body 1, the outer bottle body 1 and the inner bottle body 2 being fixed by a buckle structure to prevent the inner bottle body 2 from being detached from the outer bottle body 1, the inner bottle body 2 being provided with a screw rod 3 and a piston 4, the piston 4 being threadedly connected to the screw rod 3, the inner bottle body 2 being provided with a limiting structure for limiting rotation of the piston 4, such as a limiting column parallel to the screw rod 3 or the like, the bottom of the outer bottle body 1 being detachably connected with an outer base 5, the bottom of the inner bottle body 2 being provided with an inner base 6, the bottom of the screw rod 3 being connected with a rotating seat 7, the rotating seat 7 being rotatably connected to the bottom of the inner bottle body 2 and abutting against the inner base 6, the bottom of the inner bottle body 2 being provided with a rotating groove for mounting the rotating seat 7, the rotating seat 7 being provided with a first limiting portion 8 abutting against the bottom of the inner bottle body 2, the first limiting portion 8 being used for limiting axial movement of the rotating seat 7 relative to the inner bottle body 2, the rotating seat 7 being rotatable on the inner bottle body 2 only, the outer base 5 being provided with a second limiting portion 9 and a rotating portion 10, the second limiting portion 9 abutting against the inner base 6, the second limiting portion 9 being a convex ring provided on the outer base 5 and abutting against the lower end surface of the inner base 6, the rotating portion 10 being in stop rotation cooperation with the rotating seat 7 through the inner base 6, so as to control rotation of the screw rod 3 by rotating the outer base 5. The cream bottle of the present embodiment realizes multiple sealing by abutment of the second limiting portion 9 against the lower end surface of the inner base 6, abutment of the inner base 6 against the bottom surface of the inner bottle body 2, abutment of the inner base 6 against the rotating seat 7, and abutment of the rotating seat 7 against the inner bottle body 2. All the sealing forces are generated by the user when rotating the outer base 5, and in cooperation with the existing sealing ring structure, the air tightness can reach 0.05 mpa, the freshness of the cream can be maintained for a long time, and the application of soft gel products is also allowed, so that the product is more diverse.

[0028] The lower end surface of the inner base 6 for cooperating with the second limiting portion 9 is a plane. The outer base, the second limiting portion and the rotating portion are integrally formed. The screw rod 3, the rotating seat 7 and the first limiting portion 8 are integrally formed.

[0029] As a preferred scheme of the present application, the first limiting portion 8 is provided at the lower end of the rotating seat 7 (in other embodiments, the first limiting portion 8 can also be provided at the outer circumferential side or the upper end of the rotating seat 7), the diameter of the first limiting portion 8 is greater than that of the rotating seat 7, and the first limiting portion 8 abuts against the inner bottle body 2 to prevent the rotating seat 7 from being pushed upward under force.

[0030] In the present embodiment, the lower end surface of the first limiting portion 8 is flush with the bottom surface of the inner bottle body 2, so that the upper end surface of the inner base 6 can be designed as a simple plane, and abuts against the bottom surface of the inner bottle body 2 and the first limiting portion 8.

[0031] As a preferred scheme of the present application, the inner base 6 is provided with a pressing ring 11 matched with the bottom surface of the first limiting part 8, the pressing ring 11 is a circular protrusion integrally formed at the center of the upper end surface of the inner base 6, the bottom surface of the first limiting part 8 is provided with a downward opening pressing groove matched with the pressing ring 11, the pressing ring 11 can rotate in the pressing groove, the pressing ring 11 is in abutting matching with the upper end surface of the pressing groove, so as to ensure the pressing effect of the inner base 6 on the first limiting part 8, and in order to further improve the sealing between the first limiting part 8 and the inner base 6, the first sealing ring 12 is arranged between the pressing ring 11 and the pressing groove, and the first sealing ring 12 is sleeved on the pressing ring 11. The first sealing ring, the pressing ring and the first limiting part are in interference fit. The pressing ring is provided with a limiting groove matched with the first sealing ring.

[0032] As a preferred scheme of the present application, the inner base 6 is integrally formed with a second pressing ring in the direction opposite to the pressing ring, and the second pressing ring is used to match with the outer ring 13. The outer ring 13 is provided with at least two limiting steps at the part matched with the inner base 6, the bottom of the inner bottle body 2 is provided with the outer ring 13 at the outer circumferential side of the inner base 6, the outer ring 13 is integrally formed with the inner bottle body 2, and the outer diameter of the outer ring 13 is consistent with the outer diameter of the inner bottle body 2, so as to improve the sealing between the inner base 6 and the inner bottle body 2. The second sealing ring 14 is arranged between the inner base and the outer ring. The inner base, the outer ring and the second sealing ring are in interference fit. The outer circumferential surface of the inner base is provided with a limiting groove matched with the second sealing ring. The second sealing ring is arranged on one of the limiting steps, and the other limiting step is arranged outside the second sealing ring, that is, below in FIG. 3, so as to further improve the sealing.

[0033] As a preferred scheme of the present application, the rotating part 10 is a protruding column arranged at the center of the outer base 5, the surface of the protruding column is provided with a rotation stopping protrusion, the rotation stopping protrusion is a strip-shaped structure extending along the axial direction of the surface of the rotating part 10, the bottom of the rotating seat 7 is provided with an insertion slot matched with the protruding column, and the insertion slot is provided with a rotation stopping groove matched with the rotation stopping protrusion, so that the protruding column can drive the rotating seat 7 to rotate by inserting the rotation stopping protrusion into the rotation stopping groove.

[0034] As a preferred scheme of the present application, the outer bottle body 1 and the inner bottle body 2 are made of the same recycled material, which is convenient for recycling and manufacturing.

[0035] As a preferred scheme of the present application, the medium in the inner bottle body 2 is a soft glue product, the inner bottle body 2 is provided with an inner bottle cap 15 at the opening, and the inner bottle cap 15 is uniformly provided with a plurality of soft glue outlets 16, so that the soft glue product can be extruded from the soft glue outlets 16 under the action of the piston, and the application is more uniform.

[0036] As a preferred embodiment of the present application, the opening of the outer bottle body 1 is provided with an outer bottle cap 17, which is threadedly connected with the outer bottle body 1 or the inner bottle body 2 to be fixed, and the outer bottle cap 17 will extrude the inner bottle cap 15 to ensure the sealing between the inner bottle cap 15 and the inner bottle body 2 after being fixed. If the inner bottle cap 15 is provided with a plurality of soft rubber outlets 16, the outer bottle cap 17 is connected with a sealing cap 18 matched therewith.

[0037] Please refer to Fig. 5, the connection between the bottom of the inner bottle body and the inner base can be achieved by axial relative movement, for example, by pulling up and down to achieve detachable connection. The inner bottle body and the shape structure can refer to the above embodiments.

[0038] The second pressing ring 62 of the inner base and the outer ring are in interference fit on the circumferential side, and no second sealing ring is provided. The outer side of the second pressing ring is provided with a second buckle 63 matched with the first buckle 21 of the inner bottle body, so as to achieve the detachable connection of the bottom of the inner bottle body and the inner base by the relative axial movement. The second buckle 63 and the second pressing ring are provided with an accommodating groove with the opening facing upward for accommodating the first buckle.

[0039] The above description of the present application and its embodiments is illustrative and not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, similar structure and embodiments can be designed without creative design, which shall belong to the protection scope of the present application.

Claims

1. A cream bottle characterized by: The utility model provides a bottle, which comprises an outer bottle body and an inner bottle body, the inner bottle body is detachably assembled in the outer bottle body, a screw rod and a piston are arranged in the inner bottle body, a bottom of the outer bottle body is detachably connected with an outer base, a bottom of the inner bottle body is provided with an inner base, a bottom of the screw rod is connected with a rotating seat, the rotating seat is rotationally connected to the bottom of the inner bottle body and abuts against the inner base, the rotating seat is provided with a first limiting part abutting against the bottom of the inner bottle body, the outer base is provided with a second limiting part and a rotating part, the second limiting part abuts against the inner base, and the rotating part is in stop rotation cooperation with the rotating seat through the inner base.

2. A cream bottle according to claim 1, wherein: The first limiting part is arranged at a lower end of the rotating seat, and the diameter of the first limiting part is greater than the diameter of the rotating seat.

3. A cream bottle according to claim 2, wherein: The inner base is provided with a compression ring matched with the bottom surface of the first limiting part, and the bottom surface of the first limiting part is provided with a compression groove matched with the compression ring.

4. A cream bottle according to claim 3, wherein: A first sealing ring is arranged between the compression ring and the compression groove.

5. A tub of paste according to claim 4, wherein: The bottom of the inner bottle body is provided with an outer ring on the outer circumferential side of the inner base, and a second sealing ring is arranged between the inner base and the outer ring.

6. A cream bottle according to claim 1, wherein: The rotating part is a convex column arranged at the center of the outer base, the surface of the convex column is provided with a stop rotation protrusion, the bottom of the rotating seat is provided with an insertion slot matched with the convex column, and the insertion slot is provided with a stop rotation groove matched with the stop rotation protrusion.

7. A cream bottle according to any one of claims 1 to 6, wherein: The medium in the inner bottle body is a soft glue product, the opening of the inner bottle body is provided with an inner bottle cap, and the inner bottle cap is uniformly provided with a plurality of soft glue outlets.

Images