CN115610834A - Inverted valve for washing daily necessities - Google Patents
Inverted valve for washing daily necessities Download PDFInfo
- Publication number
- CN115610834A CN115610834A CN202211067599.1A CN202211067599A CN115610834A CN 115610834 A CN115610834 A CN 115610834A CN 202211067599 A CN202211067599 A CN 202211067599A CN 115610834 A CN115610834 A CN 115610834A
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- Prior art keywords
- valve core
- valve
- core shaft
- gland
- sealing
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- 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
- B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
- B65D47/245—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a stopper-type element
- B65D47/247—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a stopper-type element moving linearly, i.e. without rotational motion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a flip valve used for washing daily necessities, which comprises: the washing device comprises a valve core shaft, a rotary cover and a gland, wherein the rotary cover is provided with a threaded cavity in threaded fit with a washing container opening and a hollow valve chamber communicated with the threaded cavity; the mechanism is a pressing ring formed on the valve plug shaft, and at least one first sealing ring of an independent sealing surface is arranged between the pressing ring and the bottom surface of the threaded cavity; a valve core pipeline which penetrates downwards is arranged in the valve core shaft, and the upper end of the valve core pipeline is communicated with a liquid inlet which is arranged on the valve core shaft; the gland cover is arranged at the upper end of the valve core shaft, a spring is arranged between the gland and the valve core shaft, at least one loading port is formed in the gland, and the threaded cavity is communicated with the inner cavity of the gland through the loading port; when the valve core shaft overcomes the spring force to move upwards, the liquid inlet moves into the inner cavity of the gland from the valve chamber, and the threaded cavity is communicated with the valve core pipeline through the loading port, the inner cavity and the liquid inlet. Thus, the detergent can be used up, and waste is avoided.
Description
Technical Field
The invention relates to the technical field of valves for washing commodities, in particular to an inverted valve for washing commodities.
Background
At present, a pressure pump with an upward bottle mouth is a mainstream liquid taking device for packaging washing products such as daily necessities like shower gel, shampoo and liquid detergent, and a liquid taking device with a valve with a downward bottle mouth is provided. The packaging bag is inconvenient to use the pressing pump, and is only rarely used for packaging without the pressing pump, so that the packaging bag is not widely applied. Packaging main stream mode adopts packing bottle packing mostly, press pump and packing bottle all disposable, cause the waste of spreading of earth resource, the method of a packing bottle transition to wrapping bag packing has been proposed to this problem, adopted durable's flip-chip valve to replace disposable press pump, this kind of flip-chip valve can be used to the wrapping bag packing, the same volume, the energy that the used manufacturing package bottle is far greater than the energy that the used manufacturing package bag, packaging cost has been reduced, the call of country has still been responded, energy saving and emission reduction.
The pressing pump has many defects, the structure is complex, the inside is not easy to disassemble and clean, finally, the bottle bottom always has residues, the problem can be solved by the complex structure of domestic and foreign patents or methods, the problem of embarrassment can be simply solved by adopting the inverted valve, the packaging bottle and the pressing pump are disposable, and the pressing pump is inconvenient to be used in packaging bag products.
Based on the above problems, the present inventors have proposed the following solutions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the inverted valve for washing daily necessities.
In order to solve the technical problem, the invention adopts the following technical scheme: a flip-chip valve for use in washing household items, comprising: the valve core shaft is inserted into the valve chamber and limited by the limiting mechanism; the gland cover is arranged at the upper end of the valve core shaft, a spring is arranged between the gland and the valve core shaft, at least one loading port is formed in the gland, and the threaded cavity is communicated with the inner cavity of the gland through the loading port; the limiting mechanism is a pressing ring formed on the valve plug shaft, and at least one first sealing ring of an independent sealing surface is arranged between the pressing ring and the bottom surface of the threaded cavity.
Further, in the above technical solution, at least one sealing groove is provided along the valve chamber shaft at a position where the valve body shaft is matched with the valve chamber, and second sealing rings forming a seal with the valve chamber are installed in all the sealing grooves.
Further, in the above technical solution, a valve core pipeline penetrating downwards is arranged in the valve core shaft, and an upper end of the valve core pipeline is communicated with a liquid inlet arranged on the valve core shaft;
when the valve core shaft overcomes the spring force to move upwards, the liquid inlet moves into the inner cavity of the gland from the valve chamber, and the threaded cavity is communicated with the valve core pipeline through the loading port, the inner cavity and the liquid inlet.
Furthermore, in the above technical solution, the gland is in a cap shape capable of being covered on the valve core shaft, the lower end of the gland is provided with a pressing plate extending outwards, a sealing gasket is arranged between the lower surface of the pressing plate and the bottom surface of the threaded cavity and between the upper surface of the pressing plate and the plane of the port of the container, the diameter of the pressing plate is in interference fit with a boss at the bottom of the screw cap, and the pressing plate and the boss are connected and assembled into a whole in a clamping manner.
Furthermore, in the above technical solution, a spring tube is formed at the upper end of the valve core shaft, the lower end of the spring is located in the spring tube, and the upper end of the spring abuts against the inner wall of the gland.
Further, in the above technical solution, the valve further comprises a top plate and a plunger mounted on the top plate, wherein the spool shaft extending from the lower port of the valve chamber is connected with the top plate, and the plunger is in interference fit with the lower port of the spool pipeline for sealing; and a top plate clamping position is arranged at the position where the valve core shaft is connected with the top plate, and a valve core clamping hole matched with the top plate clamping position in a clamping and embedding manner is formed in the top plate.
Furthermore, in the above technical solution, the top plate is provided with an installation hole communicated with the valve core clamping hole, and the valve core shaft is inserted into the installation hole and then moves into the valve core clamping hole through the transverse movement to the position where the top plate is clamped.
Furthermore, in the above technical solution, the plunger is installed on a plunger plate, the plunger plate is pivoted on a positioning column, and the positioning column is fixed in the installation hole.
Furthermore, in the above technical solution, the positioning column is fastened and fixed in the mounting hole, and a positioning groove contacting with the surface of the valve core shaft is formed on one side of the positioning column.
Further, in the above technical solution, a connecting arm is formed at one side of the plunger plate, and a pivot hole is formed on the connecting arm; a pivot shaft is formed on the positioning column corresponding to the position of the pivot hole.
The working principle of the invention is as follows: when the washing container is used, the screw cap is screwed to the opening of the washing container, the whole washing container is turned upside down, the opening of the washing container is downward, and the detergent in the washing container is communicated with the valve core pipeline through the threaded cavity, the loading port, the inner cavity and the liquid inlet in sequence. Whether a channel is closed or not is formed between the inner cavity and the liquid inlet through the displacement of the valve plug shaft. The user pushes the valve core shaft to overcome the elastic force of the spring to rise by applying pressure on the top plate, so that the liquid inlet moves from the valve chamber to the inner cavity of the gland, the whole channel is communicated, and the detergent in the container naturally flows downwards by virtue of gravity and atmospheric pressure. When the flow volume of the valve core is enough in each use, the pressure applied to the top plate is released, and compared with a pump which is pressed, the valve core can be pumped out after being pressed for a plurality of times when the flow volume of the valve core is larger in each use, the convenience in use of the valve core is shown, the valve core shaft is reset through the elastic force of the spring, and the channel is closed again.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the invention is applied to packaging bags, saves the packaging cost, is not a disposable product, saves the use cost, saves the energy and protects the environment.
2. The liquid taking is more convenient by one-hand operation, the liquid needs to be taken more or less, and the liquid in the bottle can be used up.
3. Is easy to make into large-flow outflow and is suitable for taking liquid from the laundry detergent.
4. The inverted valve is simple in structure, the gland is buckled with the rotary cover in a clamping mode, the valve can be opened by bare hands, and the inverted valve is easy to assemble, disassemble and clean and durable.
Description of the drawings:
FIG. 1 is a schematic view of the construction of a valve plug shaft according to the present invention;
FIG. 2 is a schematic view of the structure of the screw cap of the present invention;
FIG. 3 is a schematic view of the gland of the present invention;
FIG. 4 is a schematic view of the construction of the top plate according to the present invention;
FIG. 5 is a schematic view of a positioning post according to the present invention;
FIG. 6 is a schematic view of the construction of the plunger plate of the present invention;
figure 7 is a sectional view of the assembly of the present invention.
Fig. 8 is a schematic view of a first seal ring according to embodiment 2 of the present invention.
Fig. 9 is an enlarged cross-sectional view of fig. 8.
The specific implementation mode is as follows:
the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
Example 1 of the invention:
as shown in fig. 1 to 6, the present invention is a flip-chip valve for washing daily necessities, comprising: the valve core comprises a valve core shaft 1, a rotary cover 2, a gland 3, a top plate 4 and a plunger 5.
The valve core shaft 1 comprises from top to bottom: spring tube position 14, clamping ring 15, seal groove 16, liquid inlet 11, seal groove 13, roof screens 17, export 12. A valve core pipeline 10 penetrating downwards is arranged in the valve core shaft 1, and the upper end and the lower end of the valve core pipeline 10 are respectively communicated with a liquid inlet 11 and an outlet 12.
The screw cap 2 is used for matching with the mouth of the washing daily article container in a threaded manner, and is provided with a threaded cavity 20 with an internal thread, a hollow tubular valve chamber 21 communicated with the threaded cavity 20 is formed in a downward extending manner on the bottom surface 22 of the threaded cavity 20, and the valve chamber 21 is used for matching with the valve plug shaft 1 and allowing the valve plug shaft 1 to pass through.
The gland 3 is in a cap shape capable of being covered on the valve core shaft 1, and at least one loading port 31, usually two, is arranged on the gland 3 from the lower side of the pressure plate 32 along the lower end of the gland 3. The sectional size of the loading opening 31 can be enlarged and increased in number for a large flow rate of the laundry liquid, for example. The threaded chamber 20 is in communication with the inner chamber 30 of the gland 3 through the loading port 31; the lower end of the gland 3 is provided with a pressure plate 32 extending outwards, a sealing gasket 83 is arranged between the lower surface of the pressure plate 32 and the bottom surface 22 of the threaded cavity 20 and between the upper surface of the pressure plate and the plane of the container port, the diameter of the pressure plate 32 is in interference fit with a boss 24 at the bottom of the screw cap 2, and the pressure plate and the boss are connected and assembled into a whole in a clamping manner. Normally, when the first sealing ring 81 is in a sealed state, the lowest part of the liquid inlet 11 is not higher than the bottom surface 22, so that the detergent in the bottle can be used up.
The top plate 4 is provided with a valve core clamping hole 41 corresponding to the top plate clamping position 17, a mounting hole 42 communicated with the valve core clamping hole 41 and an avoidance groove 43 in penetrating fit with the pivot shaft 522, and the aperture of the mounting hole 42 is larger than that of the valve core clamping hole 41.
The plunger 5 is used for sealing with the outlet 12 of the valve plug shaft 1 in an interference fit manner, and is mounted on a plunger plate 50, the plunger plate 50 is pivoted on a positioning column 52, the positioning column 52 is clamped and fixed in the mounting hole 42 through a buckle 523, and a positioning groove 521 in surface contact with the valve plug shaft 1 is formed in one side of the positioning column 52. A connecting arm 51 is formed on one side of the plunger plate 50, and a pivot hole 511 is formed on the connecting arm 51; a pivot shaft 522 is formed on the positioning post 52 corresponding to the pivot hole 511. The plunger plate 50 and the positioning post 52 are pivotally connected to each other by the pivot 522 engaging with the axial hole of the pivot hole 511.
The spring 6 is a compression spring, and is used for applying a downward acting force to the valve plug shaft 1, i.e., providing a pre-tightening force required by sealing for the first sealing ring 81.
As shown in fig. 7, when the present invention is installed, the sealing gasket 83 is first put on the bottom surface 22 of the screw cap 2, which is used for sealing between the lower end surface of the pressing plate 32 and the bottom surface 22, and the second sealing ring 82 is installed in both the sealing grooves 13. The sealing groove 13 is located at a position where the spool shaft 1 is fitted to the valve chamber 21, and sealing between the spool shaft 1 and the valve chamber 21 is achieved by the second seal ring 82. A first sealing ring 81 is arranged in a sealing groove 16 below a pressing ring 15, in this example, both the first sealing ring 81 and a second sealing ring 82 adopt O-shaped standard general sealing rings, the minimum outer diameter of the sealing groove 16 is 0.1mm larger than the inner diameter of the first sealing ring 81 so as to ensure that the first sealing ring 81 is tightly attached to the sealing groove 16, the first sealing ring 81 is prevented from sliding up and down to influence the injection of detergent from a loading port 31 when a top plate 4 acts, the lower end surface of the pressing ring 15 presses the first sealing ring 81 by the pressure provided by a spring 6 and also serves as a limiting mechanism of a valve core shaft 1, and the first sealing ring 81 is tightly attached to the bottom surface 22 of a threaded cavity 20 by pressing.
The more the sealing groove 13 and the second sealing ring 82 are opened, the better the sealing effect is, the better the coaxiality of the spool shaft 1 and the valve chamber 21 is, and the influence on the sealing of the first sealing ring 81 caused by the inclination of the spool shaft 1 when a single second sealing ring 82 is used can be avoided, but the more the sealing groove is opened, the larger the friction force between the second sealing ring 82 and the inner wall of the valve chamber 21 is overcome, namely the larger the jacking force applied to the top plate 4 is, the harder the sealing groove is used, and the two sealing grooves are preferably opened. Another method for reducing the friction force is to provide a sealing groove 13 and then provide a static seal at the lower port 23 of the rotary cover 2, so that better coaxiality of the valve core shaft 1 and the valve chamber 21 can be obtained.
Next, the spool 1 is inserted into the valve chamber 21 and is retained by the pressing ring 15 pressing the first seal ring 81. After the lower end of the valve core shaft 1 extends out of the lower port 23 of the valve chamber 21, the top plate position limit 17 on the valve core shaft 1 and the top plate 4 are provided with valve core position limit holes 41 to form the embedded positioning. During installation, the aperture of the installation hole 42 is larger than that of the valve core clamping hole 41, the valve core shaft 1 is inserted from the installation hole 42 to the position of the top plate clamping hole 17 and then moves into the valve core clamping hole 41 through transverse movement, and the top plate clamping hole 17 and the valve core clamping hole 41 are connected in a clamping and embedding mode. Then, the positioning column 52 is inserted into the mounting hole 42, the mounting hole 42 has an escape groove 43 which is escaped from the pivot shaft 522, the positioning column 52 is inserted into the mounting hole 42, a limit is formed by the pressing ring 15 at the upper end, and the positioning column 52 is fixed in the mounting hole 42 by the snap 523. At this time, the positioning groove 521 on the right side of the positioning post 52 contacts with the surface of the spool shaft 1 to block the spool shaft 1, so that the spool shaft is firmly fixed in the spool clamping hole 41.
Then, the spring 6 is placed on the spring tube position 14 of the valve core shaft 1, the gland 3 is covered on the valve core shaft 1, the spring 6 is positioned between the gland 3 and the valve core shaft 1, and the pressing plate 32 of the gland 3 is connected with the boss 24 in a clamping mode to be assembled into a whole. The sealing gasket 83 is arranged above the pressing plate 32, and the screw cap 2 is screwed with the container mouth in a threaded fit manner, so that the sealing between the upper end surface of the pressing plate 32 and the plane of the container mouth and the sealing between the lower end surface of the pressing plate 32 and the bottom surface 22 are realized.
After the valve core pipeline 10 is installed, when the valve core pipeline is not used, the plunger 5 is rotated, the plunger 5 and the outlet 12 at the lower end of the valve core pipeline 10 are in interference fit for sealing, sealing is further enhanced, sealing reliability is improved, detergent in the container is prevented from flowing out when the first sealing ring 81 fails or the container falls from a high position, and meanwhile, small animals, dust and the like are prevented from entering the valve core pipeline 10. At this time, the spool 1 is pressed only by the spring 6, the spool 1 is stably inserted into the valve chamber 21, the liquid inlet 11 is positioned in the valve chamber 21, and the passage between the inner cavity 30 and the liquid inlet 11 is blocked.
When the invention is used, the plunger 5 is opened to open the outlet 12, and at this time, a user applies an upward pressure to the top plate 4, the pressure overcomes the elastic force of the spring 6, so that when the valve core shaft 1 is pushed to move upward overcoming the elastic force of the spring 6, the liquid inlet 11 moves from the valve chamber 21 to the inner chamber 30 of the gland 3, and the threaded chamber 20 is communicated with the valve core pipeline 10 through the loading port 31, the inner chamber 30 and the liquid inlet 11. The detergent in the container flows through the inlet 31, the inner cavity 30, the liquid inlet 11 and the valve core pipeline 10 in sequence through the threaded cavity 20 and then flows out from the outlet 12. At this time, the gap between the spool 1 and the valve chamber 21 is also filled with the detergent, and the second seal 82 can prevent the detergent from flowing out of the lower port 23 of the valve chamber 21. When the user releases his hand, the spring 6 is restored, and the pressing ring 15 of the valve plug shaft 1 presses the first sealing ring 81 in the sealing groove 16 below, so that the detergent is prevented from flowing out of the inner cavity 30. In addition, a through hole 33 is formed at the top of the gland 3, the through hole 33 communicates the inner cavity 30 with the outside, and when the top plate 4 is pushed up, part of the detergent in the inner cavity 30 is prevented from flowing back to the loading port 31, and can flow out through the through hole 33, and the pushing force of pushing up is reduced.
Example 2 of the invention:
referring to fig. 8 and 9, the sealing ring comprises a first sealing ring 81 and a sealing convex surface 811, in this embodiment, the first sealing ring 81 has a shape with three convex-concave parts alternately, and three independent sealing surfaces which are symmetrical up and down, namely three independent sealing convex surfaces 811, although the sealing effect is better, the sealing ring is a special sealing ring and can be produced only by adding a mold, and other parts refer to embodiment 1.
In addition, when the washing machine is used, the small hole which is communicated with the outside at the top of the container is unscrewed, and the small hole is used for replenishing the atmospheric pressure at the upper part of the interior of the container after the detergent flows out every time.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. A flip-chip valve for use in washing household items, comprising: valve core axle (1), spiral cover (2) and gland (3), its characterized in that: the screw cap (2) is provided with a threaded cavity (20) in threaded fit with the mouth of the washing commodity container and a hollow valve chamber (21) communicated with the threaded cavity (20), and the valve core shaft (1) is inserted into the valve chamber (21) and limited by a limiting mechanism;
the gland (3) is arranged at the upper end of the valve core shaft (1) in a covering mode, a spring (6) is arranged between the gland (3) and the valve core shaft (1), at least one loading port (31) is formed in the gland (3), and the threaded cavity (20) is communicated with the inner cavity (30) of the gland (3) through the loading port (31);
the limiting mechanism is a pressing ring (15) formed on the valve core shaft (1), and at least one first sealing ring (81) with an independent sealing surface is arranged between the pressing ring (15) and the bottom surface (22) of the threaded cavity (20).
2. A valve as claimed in claim 1, wherein: at least one sealing groove (13) is formed in the position, matched with the valve chamber (21), of the valve core shaft (1) along the valve chamber shaft (1), and second sealing rings (82) which form sealing with the valve chamber (21) are installed in all the sealing grooves (13).
3. A flip-chip valve for use in washing household items according to claim 1, wherein: a valve core pipeline (10) which penetrates downwards is arranged in the valve core shaft (1), and the upper end of the valve core pipeline (10) is communicated with a liquid inlet (11) formed in the valve core shaft (1);
when the valve core shaft (1) overcomes the elastic force of the spring (6) to move upwards, the liquid inlet (11) moves into the inner cavity (30) of the gland (3) from the valve chamber (21), and the threaded cavity (20) is communicated with the valve core pipeline (10) through the loading port (31), the inner cavity (30) and the liquid inlet (11).
4. A valve as claimed in claim 1, wherein: the gland (3) is in a cap shape capable of being covered on the valve core shaft (1), the lower end of the gland (3) is provided with a pressing plate (32) extending outwards, a sealing gasket (83) is arranged between the lower surface of the pressing plate (32) and the bottom surface (22) of the threaded cavity (20) and between the upper surface of the pressing plate and the plane of the port of the container, the diameter of the pressing plate (32) is in interference fit with a boss (24) at the bottom of the rotary cover, and the pressing plate and the boss are connected and assembled into a whole in a clamping manner.
5. A valve according to claim 4, wherein: the valve core shaft is characterized in that a spring pipe position (14) is formed at the upper end of the valve core shaft (1), the lower end of the spring (6) is located in the spring pipe position (14), and the upper end of the spring (6) abuts against the inner wall of the gland (3).
6. A flip-chip valve for washing household articles, according to any one of claims 1-5, characterized in that: the valve core shaft sealing structure is characterized by further comprising a top plate (4) and a plunger (5) arranged on the top plate (4), wherein the valve core shaft (1) extending from a lower end opening (23) of the valve chamber (21) is connected with the top plate (4), and the plunger (5) is in interference fit with a lower end outlet (12) of the valve core pipeline (10) for sealing;
the valve core is characterized in that a top plate clamping position (17) is arranged at the position where the valve core shaft (1) is connected with the top plate (4), and a valve core clamping hole (41) matched with the top plate clamping position (17) in a clamping and embedding manner is formed in the top plate (4).
7. A valve as claimed in claim 6, wherein: the top plate (4) is provided with a mounting hole (42) communicated with the valve core clamping hole (41), and the valve core shaft (1) is inserted into the top plate clamping hole (17) from the mounting hole (42) and then moves into the valve core clamping hole (41) through transverse movement.
8. A valve according to claim 7, wherein: the plunger (5) is mounted on a plunger plate (50), the plunger plate (50) is pivoted on a positioning column (52), and the positioning column (52) is fixed in the mounting hole (42).
9. A valve as claimed in claim 8, wherein: the positioning column (52) is fixed in the mounting hole (42) in a buckling mode, and a positioning groove (521) in contact with the surface of the valve core shaft (1) is formed in one side of the positioning column (52).
10. A valve as claimed in claim 8, wherein: a connecting arm (51) is formed on one side of the plunger plate (50), and a pivoting hole (511) is formed in the connecting arm (51); a pivoting shaft (522) is formed on the positioning column (52) at a position corresponding to the pivoting hole (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211067599.1A CN115610834A (en) | 2022-09-01 | 2022-09-01 | Inverted valve for washing daily necessities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211067599.1A CN115610834A (en) | 2022-09-01 | 2022-09-01 | Inverted valve for washing daily necessities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115610834A true CN115610834A (en) | 2023-01-17 |
Family
ID=84857267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211067599.1A Pending CN115610834A (en) | 2022-09-01 | 2022-09-01 | Inverted valve for washing daily necessities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115610834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117302739A (en) * | 2023-11-28 | 2023-12-29 | 杭州环申新材料科技股份有限公司 | Soft packaging bag, puncture taking equipment and liquid essence filling method |
-
2022
- 2022-09-01 CN CN202211067599.1A patent/CN115610834A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117302739A (en) * | 2023-11-28 | 2023-12-29 | 杭州环申新材料科技股份有限公司 | Soft packaging bag, puncture taking equipment and liquid essence filling method |
| CN117302739B (en) * | 2023-11-28 | 2024-04-23 | 杭州环申新材料科技股份有限公司 | Soft packaging bag, puncture taking equipment and liquid essence filling method |
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