CN112849725B - Low-cost double-layer bottle - Google Patents
Low-cost double-layer bottle Download PDFInfo
- Publication number
- CN112849725B CN112849725B CN202110274475.XA CN202110274475A CN112849725B CN 112849725 B CN112849725 B CN 112849725B CN 202110274475 A CN202110274475 A CN 202110274475A CN 112849725 B CN112849725 B CN 112849725B
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- China
- Prior art keywords
- bottle
- bottle body
- way
- double
- air
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims description 3
- 239000003570 air Substances 0.000 claims 10
- 239000012080 ambient air Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 30
- 210000001161 mammalian embryo Anatomy 0.000 description 19
- 230000000903 blocking effect Effects 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 235000013555 soy sauce Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
- B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention provides a low-cost double-layer bottle, which comprises a double-layer bottle body and a one-way diaphragm, wherein the one-way diaphragm is provided with a one-way discharge hole; the double-layer bottle body comprises a soft inner bottle body and an outer bottle body which can be extruded and can be restored to the original state after being released from extrusion, a gap cavity is formed between the inner bottle body and the outer bottle body, and a gap opening is formed at the side surface of the inner bottle body and the bottle opening of the outer bottle body; the bottle mouth of the inner bottle body is wrapped with a soft bottle cap, the bottle cap comprises a top surface covering the bottle mouth of the inner bottle body and a side wall wrapping the bottle mouth, the top surface is provided with an opening corresponding to the one-way discharge port and an air inlet, the air inlet is used for allowing outside air to enter the gap cavity from the air inlet, and the one-way diaphragm and the side wall of the bottle cap form a one-way sealing valve; the one-way sealing valve is in a sealing state when the outer bottle body is extruded, and air is allowed to enter the gap cavity in a one-way from the air inlet after the outer bottle body is extruded, so that the technical problem of extremely high cost of the one-way valve of the existing double-layer bottle is solved.
Description
Technical Field
The invention relates to the technical field of accommodating bottle bodies, in particular to a low-cost double-layer bottle.
Background
The existing holding tanks are used in almost every household, such as soy sauce holding tanks, oil consumption holding tanks or other liquid holding tanks used in a kitchen, but after the holding tanks are opened, air enters the inside of the holding tanks to cause microorganism breeding, shorten the shelf life of the contents in the tanks and have great influence on liquid articles which are not consumed once.
To improve this problem, some sauce-containing bottles are also provided with a one-way outlet, and the objects inside the can are extruded by extrusion, for example, application No. 107132318 discloses a low-cost double-layer bottle blank and a low-cost double-layer bottle made of the same, which mainly comprises: an inner embryo and an outer embryo; the inner embryo comprises: the device comprises a threaded opening part, an inner embryo ring, an inner embryo shoulder and an inner embryo body; wherein the outer embryo comprises: an outer embryo ring, an outer embryo shoulder and an outer embryo body; the upper surface of the outer embryo ring extends to the inner wall surface of the outer embryo shoulder, a plurality of ventilation grooves are formed in the inner wall surface of the outer embryo shoulder, each ventilation groove forms an opening at the periphery of the outer embryo ring, the outer embryo is sleeved outside the inner embryo, and a ventilation space communicated with all the ventilation grooves is formed between the inner embryo and the outer embryo; the low-cost double-layer bottle made of double-layer embryo is provided with an inner-layer bottle and an outer-layer bottle, an air pressure space and a plurality of air passages are arranged between the inner-layer bottle and the outer-layer bottle, the invention also comprises a non-return bottle cap with a non-return function for preventing air from entering the inner layer bottle; when the outer layer bottle is extruded each time, the air pressure of the ventilation space is ensured to act on the inner layer bottle, so that the inner layer bottle is gradually extruded to the limit, the content is fully released, and meanwhile, air is not easy to enter the inner layer bottle from the bottle cap, so that the content is protected from being polluted and spoiled; or two check valves with opposite directions are manufactured among the bottle cap, the inner bottle body and the outer bottle body, the contents and the atmosphere are respectively guided to enter and exit the bottle, then complex assembly is carried out, a precise die is required to be developed on manufacturing the check valve of the bottle cap, the subsequent assembly process is complex, orientation is required, and the cost is extremely high.
The two ways can lead to complex structure and high assembly and production cost, so that the design of the accommodating bottle with simple structure and low cost is very necessary.
Disclosure of Invention
The invention aims to provide a double-layer bottle with low cost, which solves the technical problem of high production cost of the double-layer bottle in the prior art.
In order to achieve the aim, the invention provides a low-cost double-layer bottle, which comprises a double-layer bottle body and a soft one-way diaphragm which is in sealing connection with the bottle mouth of the double-layer bottle body, wherein a one-way discharge hole is arranged on the one-way diaphragm; the double-layer bottle body comprises a soft inner bottle body and an outer bottle body which can be extruded and can be restored to the original state after being extruded, a gap cavity is formed between the inner bottle body and the outer bottle body, and a gap opening is formed between the side face of the inner bottle body and the bottle mouth of the outer bottle body; the bottle cap comprises a top surface covering the bottle opening of the inner bottle body and a side wall wrapping the bottle opening, an opening corresponding to the one-way discharge port and an air inlet are formed in the top surface, the air inlet is used for allowing outside air to enter the gap cavity from the air inlet, and a one-way sealing valve is formed between the one-way diaphragm and the side wall of the bottle cap; the one-way sealing valve is in a sealing state when the outer bottle body is extruded, and air is allowed to enter the gap cavity in one way from the air inlet after the outer bottle body is extruded.
Preferably, a groove is formed in the unidirectional membrane, and a concave portion of the groove is communicated with the air inlet.
Preferably, the bottle cap is in threaded connection with the inner bottle body, and a plurality of openings are formed in the threaded position of the inner bottle body so as to form a plurality of air channels for outside air to enter the gap cavity.
Preferably, the diameter of the unidirectional membrane is larger than that of the bottle mouth of the inner bottle body, and when the outer bottle body is extruded, the unidirectional membrane is abutted against the threads on the inner bottle body so as to prevent external air from entering the gap cavity.
Preferably, the inner bottle body is provided with a plurality of first depressions near the gap opening part for external air to enter the gap cavity.
Preferably, the bottle cap further comprises a buckle cover for performing secondary protection on the unidirectional discharge hole.
Preferably, the side wall of the bottle cap, the inner bottle body and the outer bottle body are detachably connected in pairs.
Preferably, the position of the bottle cap close to the one-way discharge port comprises a flow guiding piece for guiding the content extruded by the one-way discharge port.
Preferably, a blocking piece for preventing impurities from entering the flow guiding piece is arranged on the buckle cover.
Preferably, the inner diameter of the inner bottle body close to the one-way discharging hole is larger than the inner diameter of the gap cavity part formed by the inner bottle body and the outer bottle body.
The beneficial effects of the invention are as follows: when the content in the double-layer bottle body is needed to be used, the outer bottle body is extruded by force, so that the air pressure in the gap cavity is increased, the air pressure in the inner bottle body is lower than the air pressure of the outer bottle body, the inner bottle body is extruded, the content is extruded from the unidirectional discharge port of the inner bottle body, meanwhile, the unidirectional sealing valve plays a sealing role, and external air cannot enter from the air inlet, so that the inner bottle body is extruded continuously; the content is continuously extruded, after the extrusion force for extruding the outer bottle body is released, the outer bottle body is restored to the original state, the one-way sealing valve is not sealed at the moment, air outside the outer bottle body rapidly enters the gap cavity from the air inlet, so that the air pressure in the gap cavity outside the inner bottle body is the same as the external air pressure, and the inner bottle body is rapidly and uniformly extruded, so that the inner bottle body does not form a negative pressure cavity, and external air does not flow back into the inner bottle body, and the effect of preventing the air from entering the inner bottle body is achieved; by arranging one-way sealing valve between the inner bottle body and the bottle cap, after a complex structure is not needed, two one-way sealing valves are arranged among the bottle cap, the inner bottle body and the outer bottle body; the double-layer bottle has a simple structure, so that the bottle cap and the inner bottle body can be simply assembled, the production cost is reduced, and the technical problem of extremely high cost of the check valve of the existing double-layer bottle is solved.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of a double-layered bottle according to the present invention;
FIG. 2 is a schematic diagram of a structure of the present invention illustrating a notch;
FIG. 3 is a schematic view showing the structure of an air inlet according to the present invention;
Fig. 4 is a schematic structural view of the unidirectional film sheet according to the present invention.
Wherein, the reference numerals are as follows:
1. A buckle cover; 11. a guide member; 12. a blocking member; 2. a bottle cap; 21. a top surface; 22. an air inlet; 3. a unidirectional membrane; 31. a groove; 4. a slit opening; 5. an outer bottle body; 6. an inner bottle body; 61. a one-way discharge port; 62. a thread; 621. an air passage; 63. a first recess; 7. a slit cavity.
Detailed Description
The embodiments described below are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiments of the present invention provide a low cost dual layer bottle embodiment, and refer specifically to fig. 1-4.
The low-cost double-layer bottle comprises a double-layer bottle body and a soft one-way diaphragm 3 which is in sealing connection with the bottle mouth of the double-layer bottle body, wherein a one-way discharge port 61 is arranged on the one-way diaphragm 3; the double-layer bottle body comprises a soft inner bottle body 6 and an outer bottle body 5 which can be extruded and can be restored to the original state after being extruded, a gap cavity 7 is formed between the inner bottle body 6 and the outer bottle body 5, and a gap opening 4 is formed at the side surface of the inner bottle body 6 and the bottle mouth of the outer bottle body 5; the bottle mouth of the inner bottle body 6 is wrapped with a soft bottle cap 2, the bottle cap 2 comprises a top surface 21 covering the bottle mouth of the inner bottle body 6 and a side wall wrapping the bottle mouth, the top surface 21 is provided with an opening corresponding to the one-way discharge port 61 and an air inlet 22, the air inlet 22 is used for allowing outside air to enter the gap cavity 7 from the air inlet 22, and the one-way diaphragm 3 and the side wall of the bottle cap 2 form a one-way sealing valve; the one-way sealing valve is in a sealing state when the outer bottle body 5 is extruded, and allows air to enter the gap cavity 7 from the air inlet 22 in one way after the outer bottle body 5 is extruded.
It should be noted that, the bottle cap 2 is connected with the outer bottle body 5 by the screw thread 62 near the edge of the slit opening 4, that is, a part of the side wall of the bottle cap 2 is connected with the outer bottle body 5 by the screw thread, so as to achieve a sealed state, and thus, the outside air cannot enter from the connection position of the outer bottle body 5 and the bottle cap 2.
Specifically, a groove is formed in the unidirectional diaphragm, and the concave part of the groove is communicated with the air inlet.
It should be noted that, in this embodiment, the grooves 31 are provided with two grooves and are located on the same side, and are all distributed in a ring shape, the openings of the grooves 31 recessed near the edge of the unidirectional diaphragm 3 are opposite to the air inlet 22, and when the air inlet 22 needs to be accessed, the external air is easier to enter through the recessed space of the grooves 31.
Specifically, the bottle cap 2 is in threaded connection with the inner bottle body 6, and a plurality of openings are formed at the thread 62 on the inner bottle body 6 to form a plurality of air passages 621 for external air to enter the slit cavity 7.
Referring to fig. 2, the air passage 621 is formed by a notch formed by a thread in a broken state. Air passage 621
Specifically, the diameter of the unidirectional membrane 3 is larger than the diameter of the bottle mouth of the inner bottle body 6, and when in extrusion, the pressure at the unidirectional discharge port 61 of the inner bottle body 6 is increased, so that the content is easier to be extruded, and labor is saved; when the outer bottle 5 is pressed, the unidirectional diaphragm 3 abuts against the threads 62 on the inner bottle 6 to prevent the outside air from entering the slit cavity 7 of the air passage 621. It will be appreciated that the one-way diaphragm 3 abuts the protruding thread 62 at its edge through which it passes, achieving a sealing effect. When the outer bottle 5 is squeezed, the inside of the inner bottle 6 is in a negative pressure state with respect to the inside of the slit cavity 7, the inner bottle 6 is squeezed by the pressure from all directions, and the one-way film 3 moves in the direction connecting with the protruding screw thread 62 at this time, thereby achieving the sealing effect.
With a floor, the inner bottle 6 is provided with a plurality of first recesses 63 on the side close to the slit opening 4 for air at the air passage 621 to enter the slit cavity 7. Specifically, the bottle cap 2 further comprises a buckle cover 1 for performing secondary protection on the unidirectional discharge hole 61. In this embodiment, the buckle cover 1 is rotatably connected with the side wall of the blocking cover, and is used for opening or covering the buckle cover 1, so as to prevent the buckle cover 1 from being detached to be lost or from being polluted when falling down.
Specifically, the side walls of the bottle cap 2, the inner bottle body 6 and the outer bottle body 5 are detachably connected with each other, and when one of the bottle caps is damaged, the bottle caps can be assembled again without being damaged, so that the utilization rate can be improved.
Specifically, the position of the bottle cap 2 near the unidirectional discharge port 61 includes a guiding member for guiding the content extruded from the unidirectional discharge port 61, and in this embodiment, the guiding member is hollow and has a truncated cone shape with an opening at one end.
Specifically, a blocking piece 12 for preventing impurities from entering the flow guiding piece is disposed on the buckle cover 1, the blocking piece 12 is in a bar shape, one end of the blocking piece 12 is connected with the buckle cover 1, the second end extends vertically to the buckle cover, and when the buckle cover 1 is buckled down, the blocking piece 12 is inserted into the one-way discharge hole 61 from the opening of the flow guiding piece and blocks the one-way discharge hole.
Specifically, the inner diameter of the inner bottle 6 near the unidirectional discharge hole 61 is larger than the inner diameter of the portion of the inner bottle 6 and the outer bottle 5 forming the gap cavity 7.
In this embodiment, when the content in the double-layer bottle body is required to be used, the outer bottle body 5 is pressed by force, so that the air pressure in the gap cavity 7 becomes larger, the air pressure in the inner bottle body 6 is lower than the air pressure of the outer bottle body 5, the inner bottle body 6 is pressed, the content is extruded from the unidirectional discharge port 61 of the inner bottle body 6, meanwhile, the unidirectional sealing valve plays a sealing role, and external air cannot enter from the air inlet 22, so that the inner bottle body 6 is continuously pressed; after the extrusion force for extruding the outer bottle body 5 is released, the outer bottle body 5 is restored to the original state, the one-way sealing valve is not sealed at the moment, and air outside the outer bottle body 5 rapidly enters the gap cavity 7 from the air inlet, so that the air pressure in the gap cavity 7 outside the inner bottle body 6 is the same as the external air pressure, and the inner bottle body 6 is rapidly and uniformly extruded, so that a negative pressure cavity is not formed in the inner bottle body 6, external air does not flow back into the inner bottle body 6, and the effect of preventing the air from entering the inner bottle body 6 is achieved; by arranging one-way sealing valve between the inner bottle body 6 and the bottle cap 2, after a complex structure is not required, two one-way sealing valves are arranged among the bottle cap 2, the inner bottle body 6 and the outer bottle body 5; the double-layer bottle has a simple structure, so that the bottle cap 2 and the inner bottle outer bottle body 5 can be simply assembled, and the production cost is reduced.
In this embodiment, when the outer bottle 5 is pressed: the unidirectional membrane 3 moves to the position of the raised thread 62 close to the thread 62 until abutting, the content of the inner bottle body 6 is extruded, when the hand is loosened, the outer bottle body 5 is restored, external air enters from the air inlet 22, passes through the cavity formed by the air channel 621 on the thread 62, and then enters the gap cavity 7 through the first recess 63, so that the outer bottle body 5 is better restored.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The double-layer bottle is characterized by comprising a double-layer bottle body and a soft one-way diaphragm which is in sealing connection with the bottle mouth of the double-layer bottle body, wherein a one-way discharge hole is formed in the one-way diaphragm;
the double-layer bottle body comprises a soft inner bottle body and an outer bottle body which can be extruded and can be restored to the original state after being extruded, a gap cavity is formed between the inner bottle body and the outer bottle body, and a gap opening is formed between the side face of the inner bottle body and the bottle mouth of the outer bottle body;
The bottle cap comprises a top surface covering the bottle opening of the inner bottle body and a side wall wrapping the bottle opening, an opening corresponding to the one-way discharge port and an air inlet are formed in the top surface, the air inlet is used for allowing outside air to enter the gap cavity from the air inlet, and a one-way sealing valve is formed between the one-way diaphragm and the side wall of the bottle cap;
The one-way sealing valve is in a sealing state when the outer bottle body is extruded, air is allowed to enter the gap cavity in one way from the air inlet after the outer bottle body is extruded, wherein a groove is formed in the one-way diaphragm, the concave part of the groove is communicated with the air inlet, the bottle cover is in threaded connection with the inner bottle body, a part of the side wall of the bottle cover is in threaded connection with the outer bottle body, so that the sealing state is achieved, external air cannot enter from the joint of the outer bottle body and the bottle cover, a plurality of openings are formed in the threaded part of the inner bottle body so as to form a plurality of air channels for external air to enter the gap cavity, and the diameter of the one-way diaphragm is larger than that of the bottle opening of the inner bottle body.
2. The low cost double layer bottle as claimed in claim 1, wherein the inner body is provided with a plurality of first recesses adjacent to the slit opening for the entry of ambient air into the slit cavity.
3. The low cost double bottle of claim 1, wherein said cap further comprises a cap for secondary protection of said unidirectional outlet.
4. A low cost double-deck bottle according to claim 3 wherein said cap includes a deflector adjacent said one-way tap for deflecting the contents of said one-way tap.
5. The low cost double layer bottle of claim 1, wherein the side wall of the bottle cap, the inner bottle body and the outer bottle body are detachably connected.
6. The low cost double bottle of claim 4, wherein said cap is provided with a closure member to prevent impurities from entering said flow guide member.
7. The low cost double-deck bottle according to claim 1 wherein the inner diameter of the inner bottle body adjacent the unidirectional discharge outlet is greater than the inner diameter of the gap cavity portion formed by the inner bottle body and the outer bottle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274475.XA CN112849725B (en) | 2021-03-15 | 2021-03-15 | Low-cost double-layer bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110274475.XA CN112849725B (en) | 2021-03-15 | 2021-03-15 | Low-cost double-layer bottle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112849725A CN112849725A (en) | 2021-05-28 |
| CN112849725B true CN112849725B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110274475.XA Active CN112849725B (en) | 2021-03-15 | 2021-03-15 | Low-cost double-layer bottle |
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| Country | Link |
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| CN (1) | CN112849725B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115610833A (en) * | 2022-11-24 | 2023-01-17 | 湖南知时生物科技有限公司 | A sealing device for improving the sealing effect of antibacterial liquid |
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| DE102009048476B3 (en) * | 2009-10-07 | 2010-09-16 | Gaplast Gmbh | One-way valve for releasing liquid from container, has outer cap which is mounted at container neck, and outlet channel is provided for fluid, where valve body is made of elastic material, and is arranged between container and outer cap |
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| CN112849725A (en) | 2021-05-28 |
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