CN219791040U - Squeeze bottle - Google Patents

Abstract

The utility model discloses an extrusion bottle, which relates to the field of packaging, and the technical scheme is as follows: the novel plastic extrusion device comprises a container, wherein an extrusion channel is formed in the top end of the container, an inner container which is extruded and can deform in a molding mode is arranged in the container, an opening of the inner container is communicated with the extrusion channel, and a non-return structure is arranged on the container. According to the utility model, after elastic recovery by extrusion, external air cannot enter from the extrusion channel, so that the content is always isolated from the external air, the effects of preserving and preventing pollution are achieved on the content, meanwhile, the gradually folded inner container can enable the content to be extruded more cleanly, the inner container comprises an EVOH layer which is a film formed by high-barrier materials, the EVOH layer has excellent barrier property on gas, the barrier property of the inner container can be improved, and the preserving effect on the content is better.

Description

Squeeze bottle

Technical Field

The present utility model relates to the field of packaging, and more particularly to squeeze bottles.

Background

The extrusion bottle is one of packaging bottles, extrudes the content through the mode of extrusion bottle, generally includes the bottle that has elastic recovery characteristic, and the bottle top is equipped with tiny extrusion channel, has placed the content in the bottle, and when the bottle received the extrusion, the space in the bottle reduced, the content was extruded from extrusion channel, and the back bottle shape becomes to reply, and the internal chamber of bottle enlarges, inhales the air from extrusion channel, reaches the state of the internal and external air pressure balance of bottle, makes things convenient for the extrusion next time.

However, during operation, outside air enters the bottle body, so that the content is oxidized and deteriorated and polluted.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an extrusion bottle.

The technical aim of the utility model is realized by the following technical scheme: the squeeze bottle comprises a container, wherein an extrusion channel is formed in the top end of the container, a liner which is extruded and can deform in a molding mode is arranged in the container, an opening of the liner is communicated with the extrusion channel, and a non-return structure is arranged on the container.

The utility model is further provided with: the liner includes an EVOH layer.

The utility model is further provided with: the inner container further comprises an outer layer and an inner layer, and both sides of the EVOH layer are fixed with the outer layer and the inner layer through bonding layers.

The utility model is further provided with: the outer layer and the inner layer are any one of a PP layer, a PE layer and a PETG layer.

The utility model is further provided with: the check structure includes a one-way closure located in the extrusion passage and a balancing port located on the container for balancing the internal and external air pressure of the container.

The utility model is further provided with: the one-way plugging piece is a plugging ball, the upper end of the extrusion channel is in an inverted truncated cone shape, the lower end of the extrusion channel is in a cylindrical shape, and the plugging ball moves in the upper end of the extrusion channel and is used for propping against the inner wall of the upper end of the extrusion channel.

The utility model is further provided with: the upper end inner wall of the extrusion channel is provided with a plurality of guide ribs, one side of the guide ribs, far away from the extrusion channel, simultaneously abuts against the side wall of the plugging ball, and a plurality of movable channels for accommodating movement of the plugging ball in the vertical direction are formed between the guide ribs.

The utility model is further provided with: and the top parts of the guide ribs are provided with limiting parts which are arranged towards the center of the extrusion channel and limit the movement of the plugging balls.

In summary, the utility model has the following beneficial effects: when the container is extruded, the space in the container and the space in the container are reduced at the same time, the content is extruded from the container, and because the container has elastic recovery characteristic, the deformation recovery of the container, the inner cavity of the container is enlarged, the check structure is used for limiting the air inlet of the extrusion channel and realizing the air inlet between the container and the container, so that the air pressure of the container and the inner container rises, the balance between the container and the external air pressure is realized, when the container is extruded again, the air between the container and the inner container extrudes the inner container, the container is deformed in a shaping way, the content can be extruded again, the container is recovered and the inner container is not recovered.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the bottle cap of the present utility model;

FIG. 4 is a schematic view of the structure of the bottle cap according to the present utility model;

fig. 5 is a schematic structural view of the liner according to the present utility model.

In the figure: 1. a container; 2. an extrusion channel; 3. a bottle body; 4. a bottle cap; 5. an inner container; 6. an EVOH layer; 7. an outer layer; 8. an inner layer; 9. an adhesive layer; 10. a one-way closure; 11. a balancing port; 12. a guide rib; 13. and a limiting part.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

Examples: an extrusion bottle, as shown in figures 1, 2 and 3, comprises a container 1, wherein the container 1 comprises a bottle body 3 and a bottle cap 4, the bottle body 3 and the bottle cap 4 are in threaded connection, an extrusion channel 2 is arranged in the bottle cap 4, an inner container 5 which is deformed in a molding way when being extruded is arranged in the container 1, an opening of the inner container 5 and the inner wall of the bottle body 3 are integrally formed and communicated with the extrusion channel 2, the inner container 5 and the bottle body 3 are subjected to coextrusion blow molding, a check structure for limiting the air inlet of the extrusion channel 2 and realizing the air inlet of the outer wall of the container 1 between the container 1 and the inner container 5 is arranged on the container 1, the inner container 5 is internally provided with contents, when the container 1 is extruded, the space in the container 1 and the inner container 5 is simultaneously reduced, the contents are extruded from the inner container 5, the inner container 1 is deformed and restored due to the elastic restoring characteristic of the container 1, the inner cavity of the container 1 is enlarged, the check structure is used for limiting the air inlet of the extrusion channel 2 and realizing the air inlet of the outer wall of the container 1 to the container 1 and the inner container 5, thereby the air pressure of the container 1 and the inner container 5 is increased to balance the air pressure in the container 1 with the outside, when the container 1 and the inner container 5 are extruded again, the container 1 and the inner container 5 are deformed in a molding way, the content can be extruded again, the container 1 is recovered and the inner container 5 is not recovered, in combination, the extrusion bottle can reach the air pressure balance inside and outside the inner container 5 after being elastically recovered by extrusion, the outside air can not enter from the extrusion channel 2, thereby the content is always kept isolated from the outside air, the effects of preserving and pollution prevention are achieved for the content, meanwhile, the inner container 5 which is gradually folded can ensure that the content is extruded more cleanly, the bottle body 3 and the inner container 5 are blow molded by arranging the container 1 to comprise the bottle body 3 and the bottle cap 4, the bottle cap 4 can be injection molded, the assembly and the production of the container 1 are more convenient, the bottle body 3 and the bottle cap 4 are connected by screw threads, has the characteristic of convenient disassembly and assembly.

As shown in fig. 5, the liner 5 comprises an outer layer 7, an EVOH layer 6, an inner layer 8 and two adhesive layers 9, wherein both sides of the EVOH layer 6 are fixed with the outer layer 7 and the inner layer 8 through the adhesive layers 9, further, the outer layer 7 and the inner layer 8 are PP layers, EVOH is a film formed by high-barrier materials, the EVOH layer 6 has excellent barrier property to gas, the barrier property of the liner 5 can be improved, and the fresh-keeping effect to contents is better.

As shown in fig. 1, fig. 2 and fig. 3, the check structure includes a one-way plugging member 10 located in the extrusion channel 2 and a balancing port 11 on the container 1, the one-way plugging member 10 is used for limiting air flowing into the inner container 5, the balancing port 11 is used for balancing internal and external air pressure of the container 1, two sides of the balancing port 11 are propped tightly to realize closing, and when the air pressure between the inner wall of the container 1 and the outer wall of the inner container 5 is smaller than external air pressure, the balancing port 11 is ventilated, thereby realizing that the external air pressure and the air pressure between the inner wall of the container 1 and the outer wall of the inner container 5 reach balance, the extrusion channel 2 is plugged by the one-way plugging member 10 in the restoration process after extrusion, so that air can not be introduced into the inner container 5, negative pressure is formed between the inner container 5 and the container 1, the external air pressure can be balanced between the inner container 1, the inner container 5 can be restored smoothly, and external air can not be inhaled, and the effects of fresh keeping and pollution prevention are achieved.

Specifically, as shown in fig. 3 and 4, the unidirectional plugging piece 10 is a plugging ball, the upper end of the extrusion channel 2 is arranged in a shape of a inverted circular table, the lower end of the extrusion channel 2 is arranged in a cylindrical shape, the diameter of the plugging ball is larger than the inner diameter of the lower end of the extrusion channel 2, the plugging ball moves in the upper end of the extrusion channel 2 and is used for propping against the inner wall of the upper end of the extrusion channel 2, three guide edges 12 are integrally formed on the inner wall of the upper end of the extrusion channel 2 and are distributed in an annular array, one side of each guide edge 12, far away from the extrusion channel 2, simultaneously abuts against the side wall of the plugging ball, a movable channel for accommodating the vertical movement of the plugging ball is formed between the three guide edges 12, the top integral forming of each guide edge 12 is provided with a limit part 13 which is arranged towards the center of the extrusion channel 2 and limits the movement of the plugging ball, when the container 1 is extruded, the content is extruded from the extrusion channel 2, and simultaneously the content is extruded from the extrusion channel 2, the content can move towards the outlet of the extrusion channel 2, the content can flow through the side wall of the plugging ball and the extrusion ball, the movement of the sealing ball can be well, the sealing ball can be limited, the negative pressure of the container can be well moved towards the bottom of the extrusion channel 2, and the sealing ball can be more smoothly moved, and the sealing effect can be more easily, and the sealing ball can be more easily moved towards the sealing ball, and the sealing channel can be more easily, and the sealing and the sealing channel can be more easily, and the sealing can be more easily and the air.

In some embodiments, the outer layer 7 and the inner layer 8 may also be any one of a PE layer and a PETG layer,

the above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (8)

1. Squeeze bottle, including container (1), container (1) top is equipped with extrudes passageway (2), its characterized in that: the container (1) is internally provided with an inner container (5) which is extruded and can be deformed in a molding way, an opening of the inner container (5) is communicated with the extrusion channel (2), and the container (1) is provided with a non-return structure.

2. Squeeze bottle according to claim 1, characterized in that: the liner (5) comprises an EVOH layer (6).

3. Squeeze bottle according to claim 2, characterized in that: the inner container (5) further comprises an outer layer (7) and an inner layer (8), and two sides of the EVOH layer (6) are fixed with the outer layer (7) and the inner layer (8) through bonding layers (9).

4. A squeeze bottle as claimed in claim 3, wherein: the outer layer (7) and the inner layer (8) are any one of a PP layer, a PE layer and a PETG layer.

5. Squeeze bottle according to claim 1, characterized in that: the non-return structure comprises a one-way closure (10) located in the extrusion channel (2) and a balancing port (11) located on the container (1), wherein the balancing port (11) is used for balancing the internal and external air pressure of the container (1).

6. Squeeze bottle according to claim 5, characterized in that: the one-way plugging piece (10) is a plugging ball, the upper end of the extrusion channel (2) is in an inverted truncated cone shape, the lower end of the extrusion channel is in a cylindrical shape, and the plugging ball moves in the upper end of the extrusion channel (2) and is used for propping against the inner wall of the upper end of the extrusion channel (2).

7. The squeeze bottle of claim 6, wherein: a plurality of guide ribs (12) are arranged on the inner wall of the upper end of the extrusion channel (2), one side, far away from the extrusion channel (2), of each guide rib (12) is simultaneously abutted against the side wall of the plugging ball, and a plurality of movable channels for accommodating the vertical movement of the plugging ball are formed between the guide ribs (12).

8. Squeeze bottle according to claim 7, characterized in that: the tops of the guide ribs (12) are provided with limiting parts (13) which are arranged towards the center of the extrusion channel (2) and limit the movement of the plugging balls.