CN115258396A

CN115258396A - Paste extrusion container

Info

Publication number: CN115258396A
Application number: CN202210846463.4A
Authority: CN
Inventors: 黄益新; 张欣蕊
Original assignee: Anhui Jnd Plastic Packaging Co ltd
Current assignee: Anhui Jnd Plastic Packaging Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-01

Abstract

The application relates to the field of paste containers, and discloses a paste extrusion container which comprises an elastic compression shell and a material storage core connected to the elastic compression shell, wherein a closed air cavity is formed between the elastic compression shell and the material storage core, and a one-way air inlet structure used for communicating the air cavity is arranged on the elastic compression shell; the material storage core comprises a discharge hole and a gas pumping end, a gas pressure piston is arranged in the material storage core and located between the discharge hole and the gas pumping end, and the gas pumping end is communicated with the air cavity. This application has the effect that makes paste extrusion container more conveniently extrude the material.

Description

Paste extrusion container

Technical Field

The present application relates to the field of paste containers, and more particularly to a paste extrusion container.

Background

In daily life, people often use a plurality of cleaning and care products, such as toothpaste, facial cleanser, hair conditioner and the like, which are generally pasty products. Most of these products are packaged in flexible tubes, and when in use, the paste can be squeezed out by squeezing the flexible tubes. When the product is nearly used up, the hose can be squeezed out only by forcibly squeezing the hose with two hands together or by clamping and squeezing the hose with auxiliary squeezing.

In the process of implementing the related art, the inventors found that at least the following problems exist in the related art: since the paste of the common cleaning product has certain viscosity, the paste still remains on the side wall of the hose or is accumulated in narrow corners of the hose in the process of squeezing the paste by forcibly squeezing the hose with hands at the end of using the product, so that the paste is not easy to be completely squeezed and is inconvenient to use.

Disclosure of Invention

In order to facilitate the squeezing out of the paste in the container, the application provides a paste squeezing container.

The application provides a paste extrusion container adopts following technical scheme:

a paste squeezing container comprises an elastic compression shell and a material storage core connected to the elastic compression shell, wherein a closed air cavity is formed between the elastic compression shell and the material storage core, and a one-way air inlet structure used for communicating the air cavity is arranged on the elastic compression shell; the material storage core comprises a discharge hole and a gas pumping end, a gas pressure piston is arranged in the material storage core and positioned between the discharge hole and the gas pumping end, and the gas pumping end is communicated with the air cavity.

By adopting the technical scheme, in the using process of the material storage core, firstly, the unidirectional air inlet structure is unidirectional air inlet, after the elastic compression shell is extruded by external force, air in the air cavity cannot overflow to the outside through the unidirectional air inlet structure, so that the air pressure in the air cavity is increased, the air pressure piston moves towards the discharge hole, and the pasty material in the material storage core is pushed and extruded; then, the one-way air inlet structure is arranged in an open state, so that outside air can enter the air cavity, the air pressure difference between the inside and the outside of the air cavity is balanced, the elastic compression shell is favorable for recovering the original shape under the action of elastic force, and the action of extruding materials at one time is completed; the paste materials are pushed by the air pressure piston to be intensively pushed towards the discharge hole, and the one-hand operation can be realized; and the elastic compression shell can be repeatedly used, thereby being green and environment-friendly.

Preferably, the elastic compression shell includes a pressing portion and an elastic compression portion, and the hardness of the pressing portion is equal to or greater than the hardness of the elastic compression portion.

Through adopting above-mentioned technical scheme, set up and press the splenium, conveniently extrude, utilize elasticity compression portion elastic contraction to realize the extruded action of elasticity.

Preferably, the elastic compression part comprises an elastic pressing groove and/or an elastic smooth part.

By adopting the technical scheme, the extrusion groove can guide the direction of elastic deformation, and the position of the extrusion groove is provided with the preset concave part, so that compared with a smooth elastically-compressed material, the material is easy to generate crease marks at uncertain positions in the compression process, and is more durable; compared with the extrusion groove, the elastic smooth part is not easy to accumulate dust and is convenient to clean and manage.

Preferably, the elastic pressing groove is an elastic bellows, and a bellows direction of the elastic bellows is a compression direction of the elastic compression portion.

By adopting the technical scheme, the elastic fold part can guide the direction of elastic deformation, and the position of the elastic fold part has a preset fold, so that the elastic fold is more durable compared with a fold at an uncertain position, which is easily generated in the compression process of a smooth elastic compression material.

Preferably, the one-way air intake structure includes a one-way valve mounted on the pressing portion or integrally formed on the elastic compression shell.

By adopting the technical scheme, the one-way valve is arranged on the pressing part, so that the effect of basic one-way air inlet of the one-way valve can be realized; when the check valve sets up on the elasticity compression shell, the check valve still receives the joint effect that the deformation of elasticity compression shell produced, consequently sets up in the position of difference, has different effects.

Preferably, the check valve comprises a soft rubber valve, and a variable port is arranged on the soft rubber valve.

By adopting the technical scheme, when the soft rubber valve is arranged on the pressing part, the pressing part is extruded in the using process, the soft rubber valve is in a closed state, the air pressure in the air cavity is greater than the external air pressure, and the air pressure piston is pushed to move to push the material; the pressing part is loosened, the container is extruded to recover the original shape under the action of the elastic deformation of the elastic compression part, and the external gas enters the air cavity from the deformation port; when the soft rubber valve integrally arranged on the elastic compression shell is adopted, the structural integrity is improved, and the problem of air leakage at the installation position is reduced; and at the in-process of elasticity compression part compression, can make valve department inseparabler, and the in-process that elasticity compression part kick-backed makes the deformation mouth open bigger to make the more quick reconversion of elasticity compression part.

Preferably, the check valve comprises a ball valve, the ball valve comprises a valve post and a ball body embedded in the valve post, and a movement cavity for the ball body to move is arranged in the valve post; the two ends of the valve column are in a closed-up shape.

By adopting the technical scheme, when the ball valve is arranged on the pressing part, the pressing part is extruded in the using process, due to the structure of the closing shape, the ball body is abutted to one end, close to the outside, of the closing shape on the valve column, the ball valve is in a closed state, and the air pressure in the air cavity is increased after extrusion, so that the air pressure piston is pushed to move to extrude materials; the pressing part is loosened, the container is extruded to restore under the action of the elastic deformation of the elastic compression part, and meanwhile, the external air enters the air cavity from the gap between the ball body and the side wall of the motion cavity; when the ball valve integrally arranged on the elastic compression part is adopted, on one hand, the structural integrity is improved, and the problem of air leakage at the installation position is reduced; on the other hand can make valve department inseparabler at the in-process of elasticity compression portion compression, and elasticity compression portion is at the in-process of resilience, can make the clearance increase between spheroid and the motion chamber to make the more quick reconversion of elasticity compression portion.

Preferably, the one-way air inlet structure comprises an air passage arranged on the pressing part or the elastic compression part, one end of the air passage is communicated with the outside of the container, the other end of the air passage is communicated with the air chamber, a compression slit is arranged between the pressing part and the elastic compression part and corresponds to the position of the air passage port, and when the elastic compression part is compressed, the compression slit is closed to block the air passage port.

By adopting the technical scheme, in the using process, the pressing part is extruded, and the compression seam is closed to block the air passage, so that the air pressure in the air cavity is increased to push the air pressure piston to move to push the material; the pressing part is loosened, the extrusion container recovers under the action of elastic deformation of the elastic compression part, the compression joint is opened simultaneously, and the outside air enters the air cavity from the air passage.

Preferably, the material storage core is attached within the resilient compression shell.

Through adopting above-mentioned technical scheme, adopt dual structure, conveniently take, especially when the material ratio is more in the container, the convenient operation of extrusion, and need not the container of standing upside down, can hold by any angle.

Preferably, the resilient compression shell is connected to the gas pumping end.

Through adopting above-mentioned technical scheme, the elasticity compression shell is located the gas pump delivery end of material storage core, compares in the material use that dual structure is favorable to saving the elasticity compression shell, saves manufacturing cost.

Preferably, the toothbrush further comprises a cover body which is a flip cover, a tooth cover or an extraction cover.

Through adopting above-mentioned technical scheme, the lid plays sealed dirt-proof effect, and is equipped with multiple connected mode, is suitable for different user demands.

Preferably, the elastic compression shell and the material storage core are detachably connected through an intermediate connecting piece, and the cover body is connected to the intermediate connecting piece, the elastic compression shell or the material storage core.

By adopting the technical scheme, the elastic compression shell and the material storage core are detachably connected through the intermediate connecting piece, so that the material storage core is convenient to replace; the diversification of product structure is realized to the connected mode of multiple lid.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the double structure of the elastic compression shell and the material storage core is arranged, and the air return structure of the one-way air inlet structure is combined, so that the action of pushing the air pressure piston to extrude materials by air pressure is realized, and the single-hand operation can be realized; the using appearance of the product is not influenced in the practical process, backflow is not easy to generate, materials are not easy to adhere to the inner wall under the pushing of the air pressure piston, and the product is clean and sanitary;

2. the elastic compression shell can be repeatedly used, and only the material storage core needs to be replaced, so that the material storage core is saved and the environment is protected;

3. the unidirectional air inlet structure in various forms has the advantages of simple structure, easy realization and low cost.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a cross-sectional view of embodiment 1 of the present application;

fig. 3 is a cross-sectional view of a flip cover in embodiment 1 of the present application;

FIG. 4 is a cross-sectional view of the tooth cap in embodiment 1 of the present application;

FIG. 5 is a cross-sectional view of the cap body in embodiment 1 of the present application, the cap body being a pull cap;

FIG. 6 is a cross-sectional view of embodiment 2 of the present application;

FIG. 7 is a cross-sectional view of embodiment 3 of the present application;

FIG. 8 is a cross-sectional view of embodiment 4 of the present application;

FIG. 9 is a cross-sectional view of embodiment 5 of the present application;

FIG. 10 is a cross-sectional view of example 6 of the present application;

FIG. 11 is a schematic view of the overall structure of embodiment 7 of the present application;

FIG. 12 is a schematic view of the entire structure of embodiment 8 of the present application;

FIG. 13 is a cross-sectional view of example 8 of the present application;

FIG. 14 is a cross-sectional view of example 9 of the present application;

FIG. 15 is a cross-sectional view of the present application in accordance with example 10;

FIG. 16 is a sectional view of example 11 of the present application;

FIG. 17 is a cross-sectional view of example 12 of the present application;

FIG. 18 is a cross-sectional view of example 13 of the present application;

fig. 19 is a schematic view of the entire structure of embodiment 14 of the present application.

Reference numerals: 1. a resilient compression shell; 1a, a pressing part; 1b, an elastic compression part; 2. a material storage core; 3. an air chamber; 4. a discharge port; 5. a gas pumping end; 6. a pneumatic piston; 7. a vent hole; 8. an intermediate connecting member; 8a, an end cover; 8b, an external thread ring part; 8c, an internal thread ring part; 9. a cover body; 10. a seal member; 11. a first mounting hole; 12. a first one-way soft rubber valve; 12a, a mounting part; 12b, a deformation part; 12c, a first deformation port; 13. a second one-way soft rubber valve; 13a, a deformation boss; 13b, a second deformation port; 14. a second mounting hole; 15. a first one-way ball valve; 15a, a first spool; 15b, a first sphere; 15c, a first motion cavity; 15d, a limiting opening; 16. a second one-way ball valve; 16a, a second spool; 16b, a second sphere; 17. an airway; 18. compressing the seam; 19. and (4) inserting the slots.

Detailed Description

The present application is described in further detail below with reference to figures 1-19.

Example 1;

the embodiment 1 of the application discloses a paste extrusion container. Referring to fig. 1 and 2, a cream squeezing container includes an elastic compression shell 1 and a material storage core 2 provided in the elastic compression shell 1. Be equipped with inclosed air chamber 3 between elastic compression shell 1 and the material storage core 2, be equipped with the one-way air inlet structure that is used for communicateing air chamber 3 on the elastic compression shell 1, the direction of admitting air is: air is sucked into the air cavity 3 from the outside of the elastic compression shell 1. Material storage core 2 is the columnar structure, including establishing discharge gate 4 and the gas pumping end 5 at the columnar structure both ends respectively, is located in material storage core 2 and is equipped with pneumatic piston 6 between discharge gate 4 and the gas pumping end 5, and gas pumping end 5 communicates with air chamber 3. The elastic compression shell 1 is compressed, gas does not overflow from the air cavity 3, the air pressure in the air cavity 3 is increased, the air pressure piston 6 is pushed to move, and the paste is pushed out from the discharge hole 4. And (3) loosening the elastic compression shell 1, enabling the gas to enter the air cavity 3 from the one-way air inlet structure, and enabling the elastic compression shell 1 to recover.

The elastic compression shell 1 is cylindrical and has an axisymmetric structure and comprises a pressing part 1a and an elastic compression part 1b; the pressing part 1a is located at the cylindrical side wall of the elastic compression shell 1 and is symmetrically provided with two pressing sheets. The elastic compression part 1b is made of a soft rubber material and is arranged to be an elastic fold part, the elastic fold part is wound on the opposite side edges of the two pressing sheets and connected with the two pressing sheets, and the fold direction of the elastic fold part is the direction in which the two pressing sheets are close to and far away from each other. Open the air vent 7 that has outside air and air chamber 3 intercommunication on the elastic compression shell 1, air vent 7 can be seted up and is pressed portion 1a or elastic compression portion 1b, and in this application, air vent 7 is located and presses portion 1a, and air vent 7 is one-way air inlet structure. In the using process, firstly, the air chamber is pressed by fingers at the position provided with the vent hole 7, meanwhile, the vent hole 7 can be blocked, the air in the air chamber 3 is pressurized, and the air pressure piston 6 is pushed to move towards the discharge hole 4, so that the material is pushed; after the extrusion is accomplished, the hand moves away the position of the air vent 7 of pressing, and because elasticity fold portion has elastic deformation ability, the external gas gets into air chamber 3 through air vent 7, the inside and outside pressure differential of equilibrium, and the extrusion container reconversion.

The pneumatic piston 6 comprises a soft plug body protruding towards the direction of the discharge hole 4 and a scraping part attached to the inner wall of the material storage core 2, and the soft plug body is integrally provided with an abutting protrusion corresponding to the discharge hole 4; when the pneumatic piston 6 is used to be close to the discharge hole 4 to be discharged, the abutting protrusions are beneficial to completely extruding the materials.

Elastic compression shell 1 and material storage core 2 are connected through intermediate junction spare 8, and intermediate junction spare 8 includes discoid end cover 8a, and one side of end cover 8a corresponds the position integrated into one piece of elastic compression shell 1 has the external screw thread circle portion 8b that is used for with elastic compression shell 1 threaded connection, and the homonymy of end cover 8a corresponds the position integrated into one piece of material storage core 2 has the internal screw thread circle portion 8c with material storage core 2 threaded connection. The end cover 8a is provided with a through hole corresponding to the discharge hole 4. The middle connecting piece 8 is also provided with a cover body 9, and the cover body 9 plays a role in dust sealing. In order to increase the sealing performance, a cylindrical sealing element 10 is integrally formed at the position of the cover body 9 corresponding to the discharge port 4, and the sealing element 10 is inserted at the discharge port 4 in an interference fit manner.

Referring to fig. 3-5, an internally threaded collar portion 8c, which connects the end cap 8a to the material storage core 2, may also be provided on the side of the end cap 8a remote from the material storage core 2.

Referring to fig. 3, the cover 9 is provided as a flip cover, which is hinged on the intermediate connecting member 8.

Referring to fig. 4, the cover body 9 is provided as a screw cap, which is screw-coupled to the intermediate coupling member 8.

Referring to fig. 5, the cover body 9 is configured as a pull cover, and the pull cover is clamped or in interference fit on the intermediate connector 8.

The implementation principle of the paste extrusion container in embodiment 1 of the application is as follows: the device has a double structure of an elastic compression shell 1 and a material storage core 2; in the process of using, elasticity compression shell 1 is extruded to external force, and gas can not spill over from one-way air inlet structure for the gas pressure in the air chamber 3 increases, thereby promotes pneumatic piston 6 and removes towards discharge gate 4 direction, and then pushes away the paste material in the material storage core 2. The elastic compression shell 1 is loosened, the unidirectional air inlet structure is used for air inlet under the action of elastic deformation, outside air enters the air cavity 3, the difference between the internal air pressure and the external air pressure is balanced, the elastic compression shell 1 is restored to the original state, and the action of extruding materials at one time is completed. The pneumatic piston 6 is used for pushing the materials, so that the pasty materials are intensively pushed towards the discharge port 4, and the side wall and the like are not easy to remain; the one-hand operation can be realized, the extrusion is finished, and the container can be restored to the original shape without affecting the appearance; and the elastic compression shell 1 can be reused, thereby being green and environment-friendly.

Example 2;

the embodiment 2 of the application discloses a paste extrusion container. Referring to fig. 6, the structure is substantially the same as that of embodiment 1 except that the structure of the unidirectional air intake structure is different: according to set up the first mounting hole 11 that communicates air chamber 3 on the splenium 1a, install first one-way soft gluey valve 12 in the first mounting hole 11, first one-way soft gluey valve 12 is one-way air inlet structure. First one-way soft rubber valve 12 includes integrated into one piece's cyclic annular installation department 12a and the columnar deformation portion 12b in groove, and deformation portion 12b is protruding in air chamber 3 towards, and first deformation mouth 12c has been seted up to bellied position, and first deformation mouth 12c is the cross incision.

The implementation principle of the paste extrusion container in embodiment 2 of the application is as follows: in the using process, the pressing part 1a is extruded, and because the first one-way soft rubber valve 12 protrudes towards the inside of the air cavity 3, gas is not easy to go out of the first one-way soft rubber valve 12, so that the air pressure in the air cavity 3 is increased, and the air pressure piston 6 moves to push materials; the pressing part 1a is loosened, the extrusion container is restored under the elastic deformation action of the elastic compression part 1b, and the external air enters the air cavity 3 from the first deformation port 12 c.

Example 3;

the embodiment 3 of the application discloses a paste extrusion container. Referring to fig. 7, the structure is substantially the same as that of embodiment 2 except that the structure of the unidirectional air intake structure is different: the elastic compression part 1b is integrally formed with a second one-way soft rubber valve 13 communicated with the air cavity 3, the second one-way soft rubber valve 13 is of a one-way air inlet structure, and the second one-way soft rubber valve 13 and the first one-way soft rubber valve 12 are basically the same in structure. The second one-way soft rubber valve 13 comprises a cylindrical deformation protruding part 13a protruding towards the air cavity 3, and a cross-shaped second deformation opening 13b is formed in the deformation protruding part 13 a.

The implementation principle of the paste extrusion container in embodiment 3 of the application is as follows: the second one-way soft rubber valve 13 which is integrally formed is adopted, so that the structural integrity is improved, and the problem of air leakage at the installation position is reduced; and in the process of compression of the elastic compression part 1b, the second one-way soft rubber valve 13 is deformed more tightly due to the compression and extrusion, and gas is not easy to enter. During the rebound of the elastic compression part 1b, the second deformation orifice 13b also follows the deformation, making the opening larger, accelerating the recovery of the elastic compression part 1b.

Example 4;

the embodiment 4 of the application discloses a paste extrusion container. Referring to fig. 8, the structure is substantially the same as that of embodiment 1 except that the structure of the unidirectional air intake structure is different: the second mounting hole 14 that communicates the air chamber 3 is opened on the pressing portion 1a, a first one-way ball valve 15 is installed in the second mounting hole 14, and the first one-way ball valve 15 is the one-way air inlet structure of this embodiment. The first one-way ball valve 15 comprises a first valve column 15a and a first ball body 15b embedded in the first valve column 15a, and a first movement cavity 15c for the first ball body 15b to move is arranged in the first valve column 15 a; the one end integrated into one piece of first valve post 15a intercommunication air chamber 3 has the spacing mouth 15d that is the binding off form, and the other end of first valve post 15a also is in the binding off form and installs in second mounting hole 14.

The implementation principle of the paste extrusion container in embodiment 4 of the application is as follows: in the using process, the pressing part 1a is pressed, the air pressure in the air cavity 3 is increased instantly, the first ball 15b in the first moving cavity 15c is pushed to one end, far away from the air cavity 3, in the first valve post 15a by the air pressure, and then the air cavity 3 is blocked. The air pressure piston 6 moves under the action of pressure to push and extrude materials, so that the action of extruding the materials is realized; after the pressing part 1a is loosened, under the action of elastic deformation of the elastic compression part 1b and the action of external air pressure, the first ball body 15b moves towards the position close to the limiting port 15d, external air enters the air cavity 3 from a gap between the first ball body 15b and the side wall of the first moving cavity 15c, and the container is squeezed to recover the original shape.

Example 5;

the application example 5 discloses a paste extrusion container. Referring to fig. 9, the structure is substantially the same as that of embodiment 4 except that the structure of the unidirectional air intake structure is different: the pressing portion 1a is integrally formed with a second one-way ball valve 16 communicated with the air chamber 3, the second one-way ball valve 16 is a one-way air inlet structure of the present embodiment, and the second one-way ball valve 16 and the first one-way ball valve 15 have substantially the same structure. The second check ball valve 16 includes a cylindrical second valve post 16a formed integrally and a second ball 16b moving inside the second valve post 16a, and both ends of the second valve post 16a are closed.

The implementation principle of the paste extrusion container in the embodiment 5 of the application is as follows: the second one-way ball valve 16 is integrally arranged, so that the structural integrity is improved, and the air leakage problem at the installation position is also reduced. During the compression of the elastic compression part 1b, the second ball 16b is far away from the air chamber 3, the valve is closed, during the rebound of the elastic compression part 1b, the second ball 16b is close to the air chamber 3, during the process, the gas enters the air chamber 3 from the side walls of the second ball 16b and the second valve column 16a, and the squeeze container is recovered.

Example 6;

the embodiment 6 of the application discloses a paste extrusion container. Referring to fig. 10, the structure is substantially the same as that of embodiment 1 except that the structure of the unidirectional air intake structure is different: the one-way air inlet structure comprises an air passage 17 communicated with the air cavity 3, and the air passage 17 is arranged at the bottom of the pressing part 1 a; in the present embodiment, two air passages 17 are symmetrically provided. One end of the air passage 17 is communicated with the outside; the other end of the air passage 17 has a gradually decreasing inner diameter, and a compression slit 18 is reserved between the port and the elastic compression part 1b for abutting against the elastic compression part 1b. When the elastic compression part 1b is pressed, the compression joint 18 is closed, the air passage 17 is sealed by the elastic compression part 1b, and when the elastic compression part 1b is released, the compression joint 18 is opened, and the elastic compression part 1b is far away from the air passage 17.

The implementation principle of the paste extrusion container in embodiment 6 of the application is as follows: in the using process, the pressing part 1a is extruded, the elastic compression part 1b seals the air passage 17, the air pressure in the air cavity 3 is increased, and the air pressure piston 6 is pushed to move to extrude materials; the pressing part 1a is loosened, the elastic compression part 1b is far away from the air channel 17 under the action of elastic deformation of the elastic compression part 1b, outside air enters the air cavity 3 from the air channel 17, and the extrusion container is restored.

Example 7;

the application example 7 discloses a paste extruding container. Referring to fig. 11, the structure is substantially the same as that of embodiment 1 except that the structure of the elastic compression portion 1b is different: the elastic compression part 1b is a smooth structure, can be made of soft rubber materials and is an elastic smooth part.

The implementation principle of the paste extrusion container in embodiment 7 of the application is as follows: the fold part is easy to deposit dust and is not easy to clean, and the elastic compression shell 1 can be reused, so that the fold part is reduced, and dust is not easy to accumulate on the surface of the container.

Example 8;

the embodiment 8 of the application discloses a paste extrusion container. Referring to fig. 12 and 13, the structure is substantially the same as that of example 1 except that the structure of the resilient compression shell 1 and the material storage core 2 are different: in the embodiment, the elastic compression shell 1 is detachably connected with the gas pumping end 5 at the tail part of the material storage core 2; seted up inserting groove 19 on the elastic compression shell 1, material storage core 2 afterbody is pegged graft in inserting groove 19, and is provided with the bulge loop in the inserting groove 19 for elastic compression shell 1 and material storage core 2 interference fit, in order to guarantee the leakproofness of air chamber 3. The cover body 9 is in threaded connection with the discharge hole 4.

The implementation principle of the paste extrusion container in embodiment 8 of the application is as follows: in the using process, the elastic compression shell 1 at the tail part is pressed, the vent hole 7 on the elastic compression shell 1 is blocked, the air cavity 3 is pressurized, the movement of the air pressure piston 6 is pushed, and the extrusion of materials is realized; the elastic compression shell 1 is loosened, so that external air enters the air cavity 3 through the vent hole 7 and is restored under the action of elastic deformation of the elastic compression shell 1.

Example 9;

the embodiment 9 of the application discloses a paste extrusion container. Referring to fig. 14, the structure is substantially the same as that of embodiment 8 except that the structure of the unidirectional air intake structure is different: the structure of the one-way air intake structure is the same as that of embodiment 2: according to set up the first mounting hole 11 that communicates air chamber 3 on the splenium 1a, install first one-way soft gluey valve 12 in the first mounting hole 11, first one-way soft gluey valve 12 is one-way air inlet structure. First one-way soft rubber valve 12 includes integrated into one piece's cyclic annular installation department 12a and the columnar deformation portion 12b in groove, and deformation portion 12b is protruding in air chamber 3 towards, and first deformation mouth 12c has been seted up to bellied position, and first deformation mouth 12c is the cross incision.

The implementation principle of the paste extrusion container in the embodiment 9 of the application is as follows: in the using process, the pressing part 1a is extruded, and the first one-way soft rubber valve 12 protrudes towards the inside of the air cavity 3, so that air is not easy to go out of the first one-way soft rubber valve 12, the air pressure in the air cavity 3 is increased, and the air pressure piston 6 moves to push materials; the pressing part 1a is loosened, the container is pressed to restore under the action of the elastic deformation of the elastic compression part 1b, and the external air enters the air chamber 3 from the first deformation port 12 c.

Example 10;

the embodiment 10 of the application discloses a paste extrusion container. Referring to fig. 15, the structure is substantially the same as that of embodiment 8 except that the structure of the unidirectional air intake structure is different: the structure of the unidirectional air intake structure is the same as that in embodiment 3: the elastic compression part 1b is integrally formed with a second one-way soft rubber valve 13 communicated with the air cavity 3, the second one-way soft rubber valve 13 is of a one-way air inlet structure, and the second one-way soft rubber valve 13 and the first one-way soft rubber valve 12 are basically the same in structure. The one-way soft glue valve 13 of second includes towards the bellied column deformation bellying 13a of air chamber 3, offers crisscross second deformation mouth 13b on the deformation bellying 13 a.

The implementation principle of the paste extrusion container in the embodiment 10 of the application is as follows: the second one-way soft rubber valve 13 which is integrally formed is adopted, so that the structural integrity is improved, and the problem of air leakage at the installation position is reduced; and in the process of compressing the elastic compression part 1b, the second one-way soft rubber valve 13 is tighter due to compression and extrusion, and gas is not easy to enter. During the rebound of the elastic compression portion 1b, the second deformation port 13b is opened to a larger opening, accelerating the recovery of the elastic compression portion 1b.

Example 11;

the embodiment 11 of the present application discloses a paste extruding container. Referring to fig. 16, the structure is substantially the same as that of embodiment 8 except that the structure of the unidirectional air intake structure is different: the structure of the unidirectional air intake structure is the same as that in embodiment 4: the pressing portion 1a is provided with a second mounting hole 14 communicated with the air cavity 3, a first one-way ball valve 15 is mounted in the second mounting hole 14, and the first one-way ball valve 15 is a one-way air inlet structure of the embodiment. The first one-way ball valve 15 comprises a first valve column 15a and a first ball body 15b embedded in the first valve column 15a, and a first movement cavity 15c for the first ball body 15b to move is arranged in the first valve column 15 a; one end of the first valve post 15a communicated with the air cavity 3 is integrally formed with a limit port 15d in a closed shape, and the other end of the first valve post 15a is also installed in the second installation hole 14 in a closed shape.

The implementation principle of the paste extrusion container in the embodiment 11 of the application is as follows: in the using process, the pressing part 1a is pressed, the air pressure in the air cavity 3 is increased instantly, the first ball 15b in the first moving cavity 15c is pushed to one end, far away from the air cavity 3, in the first valve column 15a by the air pressure, and then the air cavity 3 is blocked. The air pressure piston 6 moves under the action of pressure to push and extrude materials, so that the action of extruding the materials is realized; after the pressing part 1a is loosened, under the action of elastic deformation of the elastic compression part 1b and the action of external air pressure, the first ball body 15b moves towards the position close to the limiting port 15d, external air enters the air cavity 3 from a gap between the first ball body 15b and the side wall of the first moving cavity 15c, and the container is squeezed to recover the original shape.

Example 12;

example 12 of the present application discloses a paste squeezing container. Referring to fig. 17, the structure is substantially the same as that of embodiment 8 except that the structure of the unidirectional air intake structure is different: the structure of the one-way intake structure is the same as that in embodiment 5: the pressing portion 1a is integrally formed with a second one-way ball valve 16 communicated with the air chamber 3, the second one-way ball valve 16 is a one-way air inlet structure of the present embodiment, and the second one-way ball valve 16 and the first one-way ball valve 15 have substantially the same structure. The second check ball valve 16 includes a cylindrical second valve post 16a formed integrally and a second ball 16b moving inside the second valve post 16a, and both ends of the second valve post 16a are closed.

Embodiment 12 of the present application an implementation principle of a paste squeezing container is as follows: the second one-way ball valve 16 which is integrally arranged is adopted, the structural integrity is improved, and the air leakage problem at the installation position is also reduced. During the compression of the elastic compression part 1b, the second ball 16b is far away from the air chamber 3, the valve is closed, during the rebound of the elastic compression part 1b, the second ball 16b is close to the air chamber 3, during the process, the gas enters the air chamber 3 from the side walls of the second ball 16b and the second valve column 16a, and the squeeze container is recovered.

Example 13;

the embodiment 13 of the present application discloses a paste extruding container. Referring to fig. 18, the structure is substantially the same as that of embodiment 8 except that the structure of the unidirectional air intake structure is different: the structure of the unidirectional air intake structure is the same as that in embodiment 6: the one-way air inlet structure comprises an air passage 17 communicated with the air cavity 3, and the air passage 17 is arranged at the bottom of the pressing part 1 a; in the present embodiment, two air passages 17 are symmetrically provided. One end of the air passage 17 is communicated with the outside; the other end of the air passage 17 has a gradually decreasing inner diameter, and a compression slit 18 is reserved between the end and the elastic compression part 1b for abutting against the elastic compression part 1b. When the elastic compression part 1b is pressed, the elastic compression part 1b blocks the air passage 17, and when the elastic compression part 1b is released, the elastic compression part 1b is away from the air passage 17.

The implementation principle of the paste extrusion container in the embodiment 13 of the application is as follows: in the using process, the pressing part 1a is extruded, the elastic compression part 1b seals the air passage 17, the air pressure in the air cavity 3 is increased, and the air pressure piston 6 is pushed to move to extrude the material; the pressing part 1a is loosened, the elastic compression part 1b is far away from the air channel 17 under the action of elastic deformation of the elastic compression part 1b, outside air enters the air cavity 3 from the air channel 17, and the extrusion container is restored.

Example 14;

the application example 14 discloses a paste extruding container. Referring to fig. 19, the structure is substantially the same as that of embodiment 8 except that the structure of the elastic compression portion 1b is different: the elastic compression part 1b is a smooth structure and can be made of soft rubber materials.

The implementation principle of the paste extrusion container in the embodiment 14 of the application is as follows: in the using process, the wrinkled part is easy to accumulate dust and is not easy to clean, and the elastic compression shell 1 can be repeatedly used, so that the wrinkled part is reduced, and the dust is not easy to accumulate on the surface of the container.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A container for squeezing paste, comprising: the device comprises an elastic compression shell (1) and a material storage core (2) connected to the elastic compression shell (1), wherein a closed air cavity (3) is formed between the elastic compression shell (1) and the material storage core (2), and a one-way air inlet structure used for communicating the air cavity (3) is arranged on the elastic compression shell (1); the material storage core (2) comprises a discharge port (4) and a gas pumping end (5), a gas pressure piston (6) located between the discharge port (4) and the gas pumping end (5) is arranged in the material storage core (2), and the gas pumping end (5) is communicated with the air cavity (3).

2. A paste squeeze container according to claim 1, wherein: the elastic compression shell (1) comprises a pressing part (1 a) and an elastic compression part (1 b), and the hardness of the pressing part (1 a) is greater than or equal to that of the elastic compression part (1 b).

3. A paste squeeze container according to claim 2, wherein: the elastic compression part (1 b) comprises an elastic extrusion groove and/or an elastic smooth part.

4. A paste squeeze container according to claim 3, wherein: the elastic extrusion groove is an elastic folded part, and the folding direction of the elastic folded part is the compression direction of the elastic compression part (1 b).

5. A paste squeeze container according to claim 1, wherein: the one-way air inlet structure comprises a vent hole (7) arranged on the elastic compression shell (1), and the vent hole (7) is communicated with the air cavity (3).

6. A squeeze container air-return structure according to claim 5, characterized in that: the one-way air inlet structure comprises a one-way valve, and the one-way valve is arranged on the pressing part (1 a), integrally formed on the elastic compression shell (1) or integrally formed on the pressing part (1 a).

7. The air return structure for a squeeze container according to claim 6, wherein: the check valve comprises a soft rubber valve, and a variable opening is formed in the soft rubber valve.

8. A squeeze container air-return structure according to claim 6, characterized in that: the check valve comprises a ball valve, the ball valve comprises a valve post and a ball body embedded in the valve post, and a movement cavity for the ball body to move is arranged in the valve post; the two ends of the valve column are in a closed-up shape.

9. The air return structure for a squeeze container according to claim 2, wherein: the one-way air inlet structure comprises an air passage (17) arranged on the pressing portion (1 a) or the elastic compression portion (1 b), one end of the air passage (17) is communicated with the outside of a container, the other end of the air passage (17) is communicated with the air cavity (3), a compression seam (18) is arranged between the pressing portion (1 a) and the elastic compression portion (1 b) and corresponds to the port of the air passage (17), and when the elastic compression portion (1 b) compresses, the compression seam (18) is closed to block the port of the air passage (17).

10. A paste squeeze container according to claim 1, wherein: the material storage core (2) is connected in the elastic compression shell (1).

11. A paste squeeze container according to claim 1, wherein: the elastic compression shell (1) is connected to the gas pumping end (5).

12. A paste squeeze container according to claim 1, wherein: the novel tooth cap is characterized by further comprising a cap body (9), wherein the cap body (9) is a flip cap, a tooth cap or a pull cap.

13. A paste squeeze container according to claim 12, wherein: the elastic compression shell (1) and the material storage core (2) are detachably connected through an intermediate connecting piece (8), and the cover body (9) is connected to the intermediate connecting piece (8), the elastic compression shell (1) or the material storage core (2).