CN219791059U

CN219791059U - Fresh locking structure and packaging container

Info

Publication number: CN219791059U
Application number: CN202320867943.9U
Authority: CN
Inventors: 陈智鹏
Original assignee: Essel Packaging Gunagzhou Ltd
Current assignee: Essel Packaging Gunagzhou Ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-10-03
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a fresh-locking structure and a packaging container, wherein the fresh-locking structure comprises a liquid outlet nozzle, an inner plug and a fresh-locking piece, the liquid outlet nozzle is in sealing connection with the inner plug, a liquid outlet hole is arranged on the liquid outlet nozzle in a penetrating way, and a liquid outlet groove is formed in the inner wall of the lower end of the liquid outlet hole; a fluid channel is arranged in the inner plug, one end of the fluid channel is communicated with the liquid outlet, the other end of the fluid channel is provided with a liquid inlet, and the radius of the liquid inlet is smaller than that of the fluid channel so as to form a step; the fresh locking piece is in clearance fit in the fluid channel and can be in sealing fit with the step; and a stop structure for preventing the fresh locking piece from closing the liquid outlet groove is arranged on the liquid outlet nozzle and/or the inner plug. The utility model has the advantages of simple structure, high sealing performance and good freshness locking effect, can effectively prevent pollutants from entering the packaging container so as to achieve long-term freshness locking, has a fresh locking structure which can be repeatedly used, is more environment-friendly, can effectively reduce cost compared with a disposable fresh locking structure, is convenient to recycle, and is suitable for large-capacity products.

Description

Fresh locking structure and packaging container

Technical Field

The utility model relates to the technical field of packaging containers, in particular to a freshness locking structure and a packaging container.

Background

Containers are containers used to package or load items and are widely used in various industries. The existing packaging container mainly comprises a tube body and a cover body, wherein the tube body is made of flexible materials or composite materials, so that the content can be extruded conveniently; the cover body is connected to the pipe body and seals the pipe orifice of the pipe body.

At present, more and more cosmetics are obtained by adopting a natural extraction mode, and paste or contents are filled into a packaging container by auxiliary sterilization technologies such as vacuum, high pressure, high temperature and the like so as to achieve the aim of locking freshness. However, when the user opens the packaging container, the contents are susceptible to deterioration caused by contamination with contaminants in the air, and the effect of "locking freshness" is not satisfactory yet. The existing freshness locking structure is basically only suitable for disposable or small-capacity packaging products, but can not solve the problem of long-term freshness locking in the case of high-capacity and reusable packaging; and the disposable or small-capacity packaging products have high cost and are relatively difficult to recycle. Therefore, there is a need to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems and provide a freshness locking structure and a packaging container.

The utility model realizes the above purpose through the following technical scheme: the fresh-locking structure comprises a liquid outlet nozzle, an inner plug and a fresh-locking piece, wherein the liquid outlet nozzle is in sealing connection with the inner plug, a liquid outlet hole is formed in the liquid outlet nozzle in a penetrating manner, and a liquid outlet groove is formed in the inner wall of the lower end of the liquid outlet hole; a fluid channel is arranged in the inner plug, one end of the fluid channel is communicated with the liquid outlet hole, the other end of the fluid channel is provided with a liquid inlet, and the radius of the liquid inlet is smaller than that of the fluid channel so as to form a step; the fresh locking piece is in clearance fit in the fluid channel and can be in sealing fit with the step; and a stop structure for preventing the fresh locking piece from closing the liquid outlet groove is arranged on the liquid outlet nozzle and/or the inner plug.

Further, a sealing ring groove is arranged on the periphery of the lower part of the liquid outlet nozzle, and an annular convex rib which is buckled with the sealing ring groove is arranged on the inner plug; after the liquid outlet nozzle is connected with the inner plug, sealing fit is formed, tightness is guaranteed, and the fresh-locking effect is improved.

Further, the fresh locking piece is a gravity ball, and the step is a cambered surface; the gravity ball is more attached with the cambered surface, so that the tightness is effectively ensured, and the fresh-locking effect is improved.

Further, the stop structure comprises a limit table, the limit table is arranged at the lower end of the liquid outlet nozzle, and the limit table is accommodated in the fluid channel; when the liquid outlet device is used, the limiting table can effectively block the gravity ball, so that the liquid outlet groove is prevented from being blocked by the gravity ball, fluid can smoothly pass through the liquid outlet hole and then flows out for use.

Further, a first buckling line groove is formed in the periphery of the liquid outlet nozzle, and a first buckling line buckled with the first buckling line groove is arranged in the fluid channel; sealing performance is improved, and pollutants are prevented from entering.

Further, the fresh-locking piece is a flexible sheet, and the flexible sheet comprises a baffle.

Further, the stop structure comprises a stop block arranged outside the inner plug, the stop block is matched with the stop block of the inner plug, a connecting column is arranged on the baffle, the connecting column penetrates through the liquid inlet and is connected with the stop block, and the radius of the connecting column is smaller than that of the liquid inlet; when the liquid outlet device is used, under the action of the connecting column and the stop block, the baffle plate can be effectively prevented from blocking the liquid outlet groove, so that fluid can smoothly pass through the liquid outlet hole and then flow out of the liquid outlet hole for use.

Further, a liquid passing groove is formed in the inner wall of the liquid inlet; fluid can smoothly pass through the liquid inlet, and the blockage is avoided.

The utility model also provides a packaging container which comprises a pipe body, a cover body and the freshness locking structure, wherein the cover body is detachably connected with the pipe body, and the freshness locking structure is connected with the pipe orifice of the pipe body.

Further, a sealing needle in sealing fit with the liquid outlet hole is convexly arranged in the cover body; so as to form multiple seals and promote the fresh-locking effect.

The utility model has the beneficial effects that: firstly, a liquid outlet groove is formed in the inner wall of the lower end of a liquid outlet hole, a fluid channel is arranged in an inner plug, one end of the fluid channel is communicated with the liquid outlet hole, a liquid inlet is formed in the other end of the fluid channel, the radius of the liquid inlet is smaller than that of the fluid channel, so that a step is formed, a fresh locking piece is in clearance fit in the fluid channel, and when the fluid channel is not used, the fresh locking piece is in seal fit with the step, so that the fluid channel is cut off, pollutants are effectively prevented from entering a pipe body, and a fresh locking effect is achieved; secondly, when the fresh-locking device is used, fluid jack-up the fresh-locking piece, the fluid can smoothly flow into the fluid channel from the liquid inlet due to clearance fit of the fresh-locking piece and the fluid channel, and under the action of the stop structure, the fresh-locking piece is prevented from sealing the liquid outlet groove, the fluid can smoothly flow into the liquid outlet hole from the fluid channel through the liquid outlet groove and finally flow out for use, and a packaging container is not required to be damaged, so that the fresh-locking device can be recycled, and the effect of long-term fresh locking can be achieved, so that the technical problem in the prior art is solved; in general, the utility model has the advantages of simple structure, high sealing performance and good freshness locking effect, can effectively prevent pollutants from entering the packaging container so as to achieve long-term freshness locking, has a reusable freshness locking structure, is more environment-friendly, can effectively reduce cost and is convenient to recycle compared with a disposable freshness locking structure; is suitable for high-capacity products.

Drawings

FIG. 1 is a schematic view of a freshness locking structure according to a first embodiment;

FIG. 2 is a schematic view showing the overall structure of a packaging container according to the first embodiment;

FIG. 3 is a schematic view of the structure of the liquid outlet nozzle in the utility model;

FIG. 4 is a schematic diagram of a freshness locking structure in a second embodiment;

FIG. 5 is a schematic view showing the overall structure of a packaging container in a second embodiment;

fig. 6 is a schematic structural view of the inner plug in the second embodiment.

The reference numerals are explained as follows:

1-a liquid outlet nozzle; 11-a liquid outlet hole; 12-a liquid outlet groove; 13-sealing ring grooves; 14-a limiting table; 15-a first wire buckling groove; 2-an inner plug; 21-a fluid channel; 22-a liquid inlet; 23-steps; 24-annular ribs; 25-a first buckle line; 26-a liquid passing tank; 27-a second wire buckling groove; 3-a gravity ball; 4-a tube body; 41-a second buckle line; 5-a cover; 51-sealing the needle; 6-a flexible sheet; 61-baffle; 62-stop; 63-connection column.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper", "lower", "left", "right", "inner", "outer" and the like are used in this specification for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a fresh-locking structure, which includes a liquid outlet nozzle 1, an inner plug 2 and a fresh-locking member, wherein the liquid outlet nozzle 1 is in sealing connection with the inner plug 2, a liquid outlet hole 11 is formed in the liquid outlet nozzle 1 in a penetrating manner, and a liquid outlet groove 12 is formed in the inner wall of the lower end of the liquid outlet hole 11; a fluid channel 21 is arranged in the inner plug 2, one end of the fluid channel 21 is communicated with the liquid outlet 11, the other end of the fluid channel 21 is provided with a liquid inlet 22, and the radius of the liquid inlet 22 is smaller than that of the fluid channel 21 so as to form a step 23; the fresh locking piece is in clearance fit in the fluid channel 21 and can be in sealing fit with the step 23; a stop structure for preventing the freshness locking element from closing the liquid outlet groove 12 is arranged on the liquid outlet nozzle 1 and/or the inner plug 2.

The periphery of the lower part of the liquid outlet nozzle 1 is provided with a sealing ring groove 13, and the inner plug 2 is provided with an annular convex rib 24 which is buckled with the sealing ring groove 13. The fresh locking piece is a gravity ball 3, and the step 23 is a cambered surface. The stop structure comprises a limiting table 14, wherein the limiting table 14 is arranged at the lower end of the liquid outlet nozzle 1, and the limiting table 14 is accommodated in the fluid channel 21. The periphery of the liquid outlet nozzle 1 is provided with a first buckling line groove 15, and a first buckling line 25 buckled with the first buckling line groove 15 is arranged in the fluid channel 21.

Preferably, the gravity ball 3 may be made of stainless steel, glass, hard plastic, ceramic, etc. The liquid outlet nozzle 1 and the inner plug 2 are not limited to the above-mentioned snap-seal connection method, but may be screw threads, ultrasonic welding, or the like, but have a simpler structure than the snap-seal connection method. The number of the liquid outlet grooves 12 is larger than 1, and the liquid outlet grooves 12 are uniformly distributed along the circumference of the axis of the liquid outlet nozzle 1, so that smooth passing of fluid is ensured, and the packaging container is convenient to use normally.

The embodiment also provides a packaging container, which comprises a pipe body 4, a cover body 5 and the fresh locking structure, wherein the cover body 5 is detachably connected with the pipe body 4, the fresh locking structure is connected with a pipe orifice of the pipe body 4, and the inner plug 2 is fixedly connected with the pipe orifice. The cover body 5 is internally provided with a sealing needle 51 in sealing fit with the liquid outlet hole 11, and a sealing gasket, a sealing ring and a PE gasket can be further arranged on the periphery of the sealing needle 51 to further improve the sealing performance and ensure the fresh-locking effect.

Preferably, the outside of the pipe orifice of the pipe body 4 is provided with external threads, and the inner wall of the cover body 5 is provided with internal threads matched with the external threads, so that threaded connection and matching are formed; of course, the connection mode of the tube body 4 and the cover body 5 is not limited to the threaded connection, and may be a snap connection or other detachable connection structure. The inner wall of the pipe orifice of the pipe body 4 is provided with a second buckling line 41, and the periphery of the inner plug 2 is provided with a second buckling line groove 27 matched with the second buckling line 41, so that the inner plug 2 is sealed and detachably connected to the pipe body 4; of course, the connection between the pipe body 4 and the inner plug 2 is not limited to the snap connection, and may be a screw connection or other fastening structure.

The specific working principle of this embodiment is as follows: under normal conditions, when the pipe body 4 is not extruded, the pipe body 4 is in sealing connection with the cover body 5, and the sealing needle 51 is in sealing fit with the liquid outlet hole 11 so as to form a first resealing; the gravity ball 3 is under the gravity of the gravity ball 3, and the surface of the gravity ball 3 is in sealing fit with the step 23 of the cambered surface so as to form a second seal; the gap between the gravity ball 3 and the step 23 is filled with the content to form third resealing, under the multi-sealing structure, the sealing performance is greatly improved, and the entry of external pollutants is avoided, so that the fresh-locking effect is achieved;

when the content of the pipe body 4 is extruded, the outer wall of the pipe body 4 is pressed, the content is pushed up by the gravity ball 3 through the liquid inlet 22, the gravity ball 3 is separated from the cambered surface step 23, the content flows into the fluid channel 21, the gravity ball 3 is in clearance fit with the fluid channel 21, and under the blocking effect of the limiting table 14, the gravity ball 3 is propped against the limiting table 14, the content flows into the liquid outlet groove 12 from the clearance, and finally flows out of the upper port of the liquid outlet hole 11 for a user to use (at the moment, the cover body 5 is required to be taken off from the pipe body 4, and the content can be extruded from the liquid outlet nozzle 1);

after losing the extrusion to body 4, during the recovery stage, outside air acts on the surface of gravity ball 3 through play liquid hole 11, adds gravity ball 3's self, and the whereabouts is pressed on step 23, seals inlet 22, and the inside negative pressure state that is equivalent to of body 4 this moment can be inseparable with gravity ball 3 inhale on step 23, and the content also can play certain lubrication and packing seal effect simultaneously to guarantee the leakproofness between gravity ball 3 and the step 23, promote "lock bright" effect.

Example two

As shown in fig. 3 to 6, in contrast to the first embodiment, the freshness-locking member is a flexible sheet 6, and the flexible sheet 6 includes a baffle 61. The stop structure comprises a stop block 62 arranged outside the inner plug 2, the stop block 62 is matched with the stop of the inner plug 2, a connecting column 63 is arranged on the baffle 61, the connecting column 63 penetrates through the liquid inlet 22 and is connected with the stop block 62, and the radius of the connecting column 63 is smaller than that of the liquid inlet 22; the inner wall of the liquid inlet 22 is provided with a liquid passing groove 26.

Preferably, the flexible sheet 6 is made of silicone, TPE or other flexible material. The flexible sheet 6 is integrally manufactured by adopting an integrated process, and when the flexible sheet is installed, the stop block 62 is only pressed through the liquid inlet 22 by force, so that the flexible sheet is outside the inner plug 2, and the stop block 62 automatically returns to the original state after passing through the liquid inlet 22, thereby being convenient to install and manufacture.

The specific working principle of this embodiment is as follows: when the content of the pipe body 4 is extruded, the outer wall of the pipe body 4 is pressed, the content is pushed up by the flexible sheet 6 through the gap between the liquid inlet 22 and the connecting column 62 and the liquid passing groove 26, the baffle 61 leaves the step 23, the content flows into the fluid channel 21, the flexible sheet 6 is hung on the inner plug 2 due to the clearance fit between the baffle 61 and the fluid channel 21 and the stop fit between the stop block 62 and the inner plug 2, the content flows into the liquid outlet groove 12 from the gap, meanwhile, the flexible sheet 6 is relatively soft, the baffle 61 is deformed, the gap is larger, the content flows into the liquid outlet hole 11 at a higher speed, and finally the content flows out of the upper port of the liquid outlet hole 11 for a user to use (at the moment, the cover body 5 needs to be taken off from the pipe body 4, and the content can be extruded from the liquid outlet nozzle 1);

after losing the extrusion to body 4, when recovering the stage, flexible piece 6 can resume the original state, and the external air acts on the surface of baffle 61 through going out liquid hole 11, adds the self gravity of flexible piece 6, falls down and presses on step 23, seals inlet 22, and the inside negative pressure state that is equivalent to of body 4 this moment can be inseparable inhale baffle 61 on step 23, and the content also can play certain lubrication and sealing action simultaneously to guarantee the leakproofness between baffle 61 and the step 23, promote "lock bright" effect. Compared with the first embodiment, other working principles of the present embodiment are basically identical, and are not described in detail herein.

The foregoing has outlined and described the basic principles, features, and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a lock bright structure which characterized in that: the novel water-saving type water-saving device comprises a water outlet nozzle (1), an inner plug (2) and a fresh locking piece, wherein the water outlet nozzle (1) is in sealing connection with the inner plug (2), a water outlet hole (11) is formed in the water outlet nozzle (1) in a penetrating mode, and a water outlet groove (12) is formed in the inner wall of the lower end of the water outlet hole (11);

a fluid channel (21) is arranged in the inner plug (2), one end of the fluid channel (21) is communicated with the liquid outlet hole (11), the other end of the fluid channel (21) is provided with a liquid inlet (22), and the radius of the liquid inlet (22) is smaller than that of the fluid channel (21) so as to form a step (23);

the fresh locking piece is in clearance fit in the fluid channel (21), and can be in sealing fit with the step (23);

and a stop structure for preventing the fresh locking piece from closing the liquid outlet groove (12) is arranged on the liquid outlet nozzle (1) and/or the inner plug (2).

2. A freshness-locking structure according to claim 1, wherein: the periphery of the lower part of the liquid outlet nozzle (1) is provided with a sealing ring groove (13), and the inner plug (2) is provided with an annular convex rib (24) which is buckled with the sealing ring groove (13).

3. A freshness locking structure according to claim 2, wherein: the fresh locking piece is a gravity ball (3), and the step (23) is an arc surface.

4. A freshness-locking structure according to claim 3, wherein: the stop structure comprises a limit table (14), wherein the limit table (14) is arranged at the lower end of the liquid outlet nozzle (1), and the limit table (14) is accommodated in the fluid channel (21).

5. The freshness locking structure of claim 4, wherein: the periphery of the liquid outlet nozzle (1) is provided with a first buckling line groove (15), and a first buckling line (25) buckled with the first buckling line groove (15) is arranged in the fluid channel (21).

6. A freshness locking structure according to claim 2, wherein: the fresh-locking piece is a flexible sheet (6), and the flexible sheet (6) comprises a baffle (61).

7. The freshness locking structure of claim 6, wherein: the stop structure comprises a stop block (62) arranged outside the inner plug (2), the stop block (62) is matched with the stop block of the inner plug (2), a connecting column (63) is arranged on the baffle (61), the connecting column (63) penetrates through the liquid inlet (22) and is connected with the stop block (62), and the radius of the connecting column (63) is smaller than that of the liquid inlet (22).

8. The freshness locking structure of claim 7, wherein: the inner wall of the liquid inlet (22) is provided with a liquid passing groove (26).

9. A packaging container, characterized in that: the novel lock comprises a pipe body (4), a cover body (5) and the fresh locking structure of any one of claims 1 to 8, wherein the cover body (5) is detachably connected with the pipe body (4), and the fresh locking structure is connected with a pipe orifice of the pipe body (4).

10. A packaging container according to claim 9, wherein: the cover body (5) is internally provided with a sealing needle (51) in sealing fit with the liquid outlet hole (11).