CN216920583U - Pressure package drainage system - Google Patents
Pressure package drainage system Download PDFInfo
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- CN216920583U CN216920583U CN202220205660.3U CN202220205660U CN216920583U CN 216920583 U CN216920583 U CN 216920583U CN 202220205660 U CN202220205660 U CN 202220205660U CN 216920583 U CN216920583 U CN 216920583U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a pressure bag drainage system, which comprises a pressure bag body and a drainage structure, wherein the pressure bag body is provided with a drainage hole; the drainage structure comprises a containing cavity and a membrane; the cavity is provided with a water outlet, a water inlet and a drain pipe; the diaphragm is movably matched in the containing cavity to divide the containing cavity into a back pressure cavity and a water drainage cavity, and a water replenishing hole for communicating the back pressure cavity with the water drainage cavity is arranged; the water outlet is communicated with the back pressure cavity, and the water inlet and the drain pipe are communicated with the drainage cavity; the pressure bag body is provided with a water storage cavity which is communicated with the water inlet; when the water storage cavity supplies water, water enters the water drainage cavity and enters the back pressure cavity through the water replenishing hole, and the pressure of the back pressure cavity is increased; when the drain opening is opened, the back pressure cavity drains water to reduce pressure, and the diaphragm is close to or far away from the drain pipe along with the pressure change of the back pressure cavity so as to seal or open the drain pipe. The utility model simplifies the drainage mode of the pressure type flushing system, ensures that the drainage structure is not influenced by the water supply pressure and flow change and has stable drainage.
Description
Technical Field
The utility model relates to the technical field of pressure type flushing systems, in particular to a pressure bag drainage system.
Background
The toilet bowl comprises a seat body and a water tank, wherein a flushing system is arranged in the water tank and used for flushing the seat body. At present, the most common flushing system achieves the purpose of flushing by converting the gravitational potential energy of water into the kinetic energy of water, and has the defects that the required water quantity is large, the height of a water tank needs to be raised to a certain height, and otherwise, the flushing effect is poor. Therefore, a pressure type flushing system is researched and developed in the industry, a pressure bag is arranged for storing water and gas, water flow can be pushed by utilizing pressure accumulated by compressed gas in the pressure bag during drainage, and water in the pressure bag generates strong flushing force, so that a better flushing effect is realized by using smaller water quantity.
In the drain valve of the existing pressure type flushing system, for example, a drain valve and a toilet bowl with the same disclosed in patent CN110056056A, the specific structure of the drain valve is shown in fig. 1, the drain valve includes a base (12), a top cover (11) connected above the base (12), and a membrane (13) clamped between the base and the top cover (11), the membrane (13) and the top cover (11) together enclose to form a back pressure chamber (a), and the top cover (11) is provided with a drain opening (111) and a water inlet (112) communicated with the back pressure chamber (a); the base (12) is enclosed to form a drainage channel (b), and the base (12) is provided with a drainage port; the diaphragm (13) can deform up and down, can be in sealing contact with the base (12) when deforming downwards, and enables the drainage channel (b) and the drainage outlet (121) to be mutually sealed, and can be separated from the base (12) when deforming upwards, so that the drainage channel (b) and the drainage outlet (121) are mutually communicated. The water inlet (112) is connected with the water inlet connecting pipe through the connecting cylinder (18). That is to say, the water inlet (112) is directly connected to the water source, which results in that in practical use, if high water pressure and high flow are encountered, the back pressure cavity (a) will continuously maintain high pressure, so that the diaphragm (13) is always sealed at the connection position between the water discharge channel (b) and the water discharge port (121), and water discharge cannot be completed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pressure bag drainage system which can simplify the drainage mode of a pressure type flushing system, ensure that a drainage structure is not influenced by the water supply pressure and flow change and ensure that drainage is stable.
In order to achieve the above purpose, the solution of the utility model is:
a pressure bag drainage system comprises a pressure bag body and a drainage structure; the drainage structure comprises a containing cavity and a membrane; the accommodating cavity is provided with a water discharge opening, a water inlet and a water discharge pipe; the diaphragm is movably matched in the containing cavity so as to divide the containing cavity into a back pressure cavity and a water drainage cavity, and a water replenishing hole for communicating the back pressure cavity with the water drainage cavity is arranged; the water outlet is communicated to the back pressure cavity, and the water inlet and the drain pipe are communicated to the drain cavity; the pressure bag body is provided with a water storage cavity which is communicated to the water inlet; when the water storage cavity supplies water, water enters the water drainage cavity and enters the back pressure cavity through the water replenishing hole, so that the pressure of the back pressure cavity is increased; when the drainage opening is opened, the back pressure cavity drains water to reduce pressure, and the diaphragm is close to or far away from the drainage pipe along with the pressure change of the back pressure cavity, so that the drainage pipe is blocked or opened.
A vertical water pipe is arranged in the water storage cavity; the upper end of the water passing pipe is communicated to the water inlet, and the lower end of the water passing pipe extends to the bottom of the water storage cavity.
A return spring is further arranged in the back pressure cavity and used for realizing the return of the diaphragm towards the direction of the drain pipe; and an annular flange for positioning the return spring is arranged on the inner wall of the accommodating cavity.
The drainage structure also comprises a movable seat for assembling the diaphragm, and the return spring is arranged between the inner wall of the containing cavity and the movable seat; the surface of sliding seat is provided with a plurality of spacing posts, be provided with on the diaphragm with spacing hole that spacing post matches, spacing post inlays to be established in the spacing hole.
The water replenishing hole penetrates through the diaphragm and the movable seat.
The edge of the diaphragm is fixedly arranged on the side wall of the containing cavity, and at least one circle of deformable wrinkles are arranged on the diaphragm.
The water outlet is arranged on the upper wall of the accommodating cavity, the water inlet and the drain pipe are arranged on the lower wall of the accommodating cavity, and the drain pipe protrudes out of the lower wall of the accommodating cavity.
The pressure bag drainage system also comprises an opening valve communicated with the water drainage port.
The pressure bag drainage system further comprises a one-way air valve arranged on the pressure bag body and used for supplying air while water enters the water storage cavity.
The pressure bag drainage system also comprises a pressure relief cover; the drainage structure is arranged in the pressure bag body; a groove is formed in the pressure bag body and serves as the drainage cavity, and the water storage cavity and the drainage pipe are communicated to the groove; the pressure relief cover is matched in the groove and clamps the edge of the diaphragm with the groove; the back pressure cavity is enclosed between the pressure relief cover and the diaphragm, and the water outlet is arranged.
The drainage structure is arranged outside the pressure bag body as an independent device; the drainage structure comprises a valve body, a water inlet end cover and a water outlet end cover, wherein the valve body is provided with the accommodating cavity, the water inlet end cover and the water outlet end cover are detachably connected with the valve body, the water inlet end cover is provided with at least one water inlet, and the water outlet end cover is provided with at least one drain pipe.
After the technical scheme is adopted, the pressure bag drainage system has the advantages that the water supply firstly enters the water storage cavity and then enters the drainage cavity, so that the drainage structure is not influenced by the water supply pressure and flow change, and the drainage is stable. The movable diaphragm is arranged in the containing cavity to divide the containing cavity into a back pressure cavity and a drainage cavity, the back pressure cavity is communicated with the water drainage port, the drainage cavity is communicated with the water inlet and the drainage pipe, when the back pressure cavity is depressurized, the water pressure of the water inlet pushes the diaphragm to separate the diaphragm from the drainage pipe, the water path communication of the water storage cavity → the water inlet → the drainage cavity → the drainage pipe is realized, the water storage cavity can drain water outwards, no matter how the water pressure of the water supply end changes, the thrust in the opening direction of the diaphragm is provided, and no reaction force is formed, so that the pressure bag can stably realize drainage; secondly, through setting up the moisturizing hole, ensure no matter how the diaphragm changes, can both in time to the moisturizing of backpressure chamber after the drainage, resume original pressure and seal the intercommunication department of drainage chamber and drain pipe in order to promote the diaphragm.
Drawings
Figure 1 is a schematic structural view of a water discharge valve disclosed in patent CN 110056056A;
FIG. 2 is a schematic structural view of a drainage structure according to the present invention;
FIG. 3 is a schematic structural view of a first embodiment of a pressure bag body according to the present invention in a water inlet state;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a schematic view showing the drainage state of the first embodiment of the pressure pack body according to the present invention;
FIG. 6 is a schematic structural view of a second embodiment of a pressure bag body according to the present invention in a water inlet state;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 8 is a schematic structural view showing a drainage state of a second embodiment of a pressure pack body according to the present invention;
fig. 9 is a sectional view taken in the direction C-C in fig. 8.
The reference numbers illustrate:
1-a pressure packet body; 11- -a water storage cavity; 12- -a water pipe;
13- -a groove; 2- -a cavity; 21- - -a drain opening;
22- -a water inlet; 23- -a drain pipe; 24- -an annular flange;
3- - -a membrane; 31- -a limiting hole; 32- -folding;
4-a return spring; 5- - -a movable seat; 51- -a limit post;
6- -open the valve; 7- -one-way air valve; 8-a pressure relief cap;
a- -a back pressure chamber; b- -a drainage chamber; c- -water replenishing hole;
d- -a valve body; e- -a water inlet end cap; f- -water outlet end cover.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The utility model relates to a pressure bag drainage system, which comprises a pressure bag body 1 and a drainage structure;
the drainage structure comprises a cavity 2 and a diaphragm 3; the cavity 2 is provided with a water drainage port 21, a water inlet 22 and a water drainage pipe 23; the diaphragm 3 is movably matched in the accommodating cavity 2 so as to divide the accommodating cavity 2 into a back pressure cavity a and a water drainage cavity b, and a water replenishing hole c for communicating the back pressure cavity a with the water drainage cavity b is arranged; the water outlet 21 is communicated with the back pressure cavity a, and the water inlet 22 and the drain pipe 23 are communicated with the drain cavity b;
the pressure bag body 1 is provided with a water storage cavity 11, and the water storage cavity 11 is communicated to a water inlet 22;
when the water storage cavity 11 supplies water, the water enters the drainage cavity b and enters the back pressure cavity a through the water replenishing hole c, so that the pressure of the back pressure cavity a is increased; when the drain opening 21 is opened, the back pressure chamber a drains to reduce the pressure, and the diaphragm 3 moves closer to or away from the drain pipe 23 in accordance with the pressure change of the back pressure chamber a, thereby closing or opening the drain pipe 23.
Through the scheme, the movable diaphragm 3 is arranged in the cavity 2 to divide the cavity 2 into the back pressure cavity a and the drainage cavity b, the back pressure cavity a is communicated with the water drainage port 21, the drainage cavity b is communicated with the water inlet 22 and the water storage cavity 11, when the back pressure cavity a is decompressed, the water pressure of the water inlet 22 pushes the diaphragm 3 to separate from the drainage pipe 23, the water storage cavity 11 → the water inlet 22 → the drainage cavity b → the drainage pipe 23 is communicated, the water storage cavity 11 can drain outwards, water supply firstly enters the water storage cavity 11 and then enters the drainage cavity b, so that a drainage structure is not influenced by the change of water supply pressure and flow, the drainage is stable, and no matter how the water pressure of a water supply end (namely a water source) changes, the thrust in the opening direction of the diaphragm 3 is provided, no reaction force is generated, and the pressure bag can stably realize drainage; secondly, through setting up water filling hole c, guarantee no matter how the diaphragm 3 changes, can both in time to the moisturizing of backpressure chamber a after the drainage, resume original pressure in order to promote diaphragm 3 and seal the intercommunication department of drainage chamber b and drain pipe 23.
Referring to fig. 2 to 9, an embodiment of the present invention is shown.
In some embodiments of the drainage structure, a vertical water pipe 12 is disposed in the water storage cavity 11; the upper end of the water passing pipe 12 is communicated to the water inlet 22, and the lower end of the water passing pipe 12 extends to the bottom of the water storage cavity 11, so that water in the water storage cavity 11 can be emptied during water drainage.
In some embodiments of the drainage structure, a return spring 4 is further disposed in the back pressure cavity a, and the return spring 4 is used for returning the diaphragm 3 to the direction of the drainage pipe 12; the inner wall of the housing 2 is provided with an annular flange 24 for positioning the return spring 4, so as to avoid the return spring 4 from losing its function of returning the diaphragm 3 due to a change in position during the compression/return process. Through setting up reset spring 4, can guarantee that diaphragm 3 can not paste the lateral wall that holds chamber 2 completely and make the unable moisturizing in backpressure chamber an in the time of the drainage, and realize the reseing of diaphragm 3 behind the drainage, and then guaranteed the functional stability that drainage structure worked repeatedly.
In some embodiments of the drainage structure, referring to fig. 4, the drainage structure further includes a movable seat 5 for assembling the membrane 3, the return spring 4 is disposed between the inner wall of the cavity 2 (i.e., the back pressure cavity a) and the movable seat 5, and the movable seat 5 can maintain the shape of the middle portion of the membrane 3, so as to ensure that when the membrane 3 moves towards the drain pipe 23 under the pressure of the back pressure cavity a and the acting force of the return spring 4, the communication position between the drain pipe 23 and the drain cavity b can be reliably sealed, and water leakage under a non-drainage state is avoided.
Further, the surface of the movable seat 5 is provided with a plurality of limiting columns 51, the diaphragm 3 is provided with limiting holes 31 matched with the limiting columns 51, and the limiting columns 51 are embedded in the limiting holes 31 so as to realize the relative fixation of the diaphragm 3 and the movable seat 5.
Further, the water supply hole c penetrates the diaphragm 3 and the movable base 5. Because the aperture of moisturizing hole c has directly decided the flow that flows to back pressure chamber a from water inlet 22, therefore can control drainage structures's moisturizing time through the aperture that changes moisturizing hole c, thereby adjust drainage structures's drainage time according to the needs of difference, and will mend water hole c and set up on diaphragm 3 and sliding seat 5, can reach the purpose with the moisturizing hole c of quick replacement suitable aperture through different diaphragm 3 of replacement and sliding seat 5, thereby practice thrift manufacturing cost, can satisfy different users ' user demand again.
In some embodiments of the drainage structure, the edge of the membrane 3 is fixed to the sidewall of the cavity 2, and at least one circle of deformable wrinkle 32 is disposed on the membrane 3, and the wrinkle 32 can ensure that the membrane 3 has a deformable elastic space under the action of an external force.
In some embodiments of the drainage structure, the drainage opening 21 is disposed on the upper wall of the cavity 2, the water inlet 22 and the drainage pipe 23 are disposed on the lower wall of the cavity 2, and the drainage pipe 23 protrudes from the lower wall of the cavity 2, so that the membrane 3 blocks the water inlet end of the drainage pipe 23 (i.e., the communication position between the drainage pipe 23 and the drainage cavity b) and then cannot move downwards, and the water inlet 22 is prevented from being blocked to cause the back pressure cavity a to be unable to replenish water. It should be understood that the upper wall and the lower wall are only relative to each other in the positions of the drain opening 21, the water inlet 22 and the drain pipe 23, and do not represent specific limitations on the installation position.
The present invention further includes an open valve 6 communicating with the drain opening 21. The opening valve 6, that is, the "control switch" of the drain opening 21, is arranged, so that when a user presses the opening valve 6, water in the back pressure chamber a can be discharged through the drain opening 21, the pressure of the back pressure chamber a is reduced, and the purpose of draining water is achieved.
The utility model also comprises a one-way air valve 7 arranged on the pressure bag body 1 and used for supplying air when water enters the water storage cavity 11.
In addition, the pressure pack body 1 has various embodiments, as shown in fig. 3 to 5, which are the first embodiment of the pressure pack body 1:
the utility model also comprises a pressure relief cover 8, wherein the drainage structure is arranged in the pressure bag body 1; the pressure bag body 1 is provided with a groove 13 as the drainage cavity b, a water passing pipe 12 and a drainage pipe 23 are communicated with the groove 13, and the upper end of the water passing pipe 12 is used as the water inlet 22; the pressure relief cover 8 is matched in the groove 13 and clamps the edge of the diaphragm 3 with the groove 13; the back pressure chamber a is defined between the pressure release cover 8 and the diaphragm 3, and the above-mentioned drain opening 21 is provided.
Referring to fig. 3, when water is fed: the pressure stabilizing valve of the pressure type flushing system supplies water to the pressure bag body 1, the water storage cavity 11 starts air supplement and water supplement, water flows into the drainage cavity b through the water pipe 12, flows into the back pressure cavity a through the water supplement hole c, and pushes the diaphragm 3 to move towards the drainage pipe 23 gradually until the diaphragm 3 blocks the water inlet end of the drainage pipe 23, the pressure in the back pressure cavity a starts to rise until the pressure keeps balance with the water pressure of the drainage cavity b/the water storage cavity 11, and water inlet is completed.
Referring to fig. 5, at the time of draining: when a user operates the opening valve 6, water in the back pressure cavity a flows to the opening valve 6 through the water drainage port 21 and is discharged, the pressure in the back pressure cavity a is reduced, and the water pressure of the water drainage cavity b/the water storage cavity 11 pushes the diaphragm 3 to open the water inlet end of the water drainage pipe 23 to start drainage; when the drain pipe 23 drains water, water flow also supplies water to the back pressure cavity a through the water supply hole c, so that the diaphragm 3 is slowly reset to the drain pipe 23, and after the set drainage time is over, the drain pipe 23 is plugged by the diaphragm 3 again to finish drainage.
As shown in fig. 6 to 9, a second embodiment of the pressure pack body 1 is shown:
the drainage structure is arranged outside the pressure bag body 1 as an independent device. With drainage structures independent of the pressure package, can be through changing the pipeline quantity of water inlet 22, the external intercommunication of drain pipe 23 for drainage structures can one control the drainage of a plurality of pressure package bodies 1, thereby reduces pressure type flushing system's accessory quantity, and then simplifies mounting structure, reduction in production cost.
Furthermore, the above-mentioned drainage structure includes the valve body d that is provided with the appearance chamber 2, and with valve body d can dismantle intake end cover e, the end cover f of going out of being connected, intake end cover e is provided with at least one foretell water inlet 22, the end cover f of going out of being provided with at least one foretell drain pipe 23, also through replacing different intake end cover e, the end cover f of going out of, can satisfy the user demand of different intercommunication quantity (the quantity that corresponds the pressure package and the quantity of target drainage function, like main bath, towards circle water).
In addition, the water pipe 12 may not be provided in the pressure bag body 1, and the bottom of the water storage cavity 11 of the pressure bag body 1 (or a position close to the bottom so as to empty the water in the water storage cavity 11 as much as possible) may be directly communicated to the water inlet 22 of the drainage structure.
Referring to fig. 6 and 7, when water is fed: the pressure stabilizing valve of the pressure type flushing system supplies water to the pressure bag, the water storage cavity 11 starts air supplement and water supplement, water flow flows into the water drainage cavity b of the valve body d through the water pipe 12 and flows into the back pressure cavity a through the water supplement hole c, the diaphragm 3 is gradually pushed to move towards the water drainage pipe 23 until the diaphragm 3 blocks the water inlet end of the water drainage pipe 23, the pressure in the back pressure cavity a starts to rise until the pressure keeps balance with the water pressure of the water drainage cavity b/the water storage cavity 11, and water inlet is completed.
Referring to fig. 8 and 9, at the time of draining: when a user operates the opening valve 6, water in the back pressure cavity a flows to the opening valve 6 through the water drainage port 21 and is discharged, the pressure in the back pressure cavity a is reduced, the water pressure of the water drainage cavity b/the water storage cavity 11 pushes the diaphragm 3 open to open the water inlet end of the water drainage pipe 23 to start drainage, and water flows to the water way of main flushing water and ring flushing water from the two connecting ends of the water outlet end cover f; when the drain pipe 23 drains water, water flow also supplies water to the back pressure cavity a through the water supply hole c, so that the diaphragm 3 is slowly reset to the drain pipe 23, and after the set drainage time is over, the drain pipe 23 is plugged by the diaphragm 3 again, and drainage is completed.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (11)
1. A pressure bag drainage system characterized by:
comprises a pressure bag body and a drainage structure;
the drainage structure comprises a cavity and a diaphragm; the cavity is provided with a water outlet, a water inlet and a water drain pipe; the diaphragm is movably matched in the containing cavity so as to divide the containing cavity into a back pressure cavity and a water drainage cavity, and a water replenishing hole for communicating the back pressure cavity with the water drainage cavity is arranged; the water outlet is communicated to the back pressure cavity, and the water inlet and the drain pipe are communicated to the drain cavity;
the pressure bag body is provided with a water storage cavity which is communicated with the water inlet;
when the water storage cavity supplies water, water enters the drainage cavity and enters the back pressure cavity through the water supplementing hole, so that the pressure of the back pressure cavity is increased; when the drainage opening is opened, the back pressure cavity drains water to reduce pressure, and the diaphragm is close to or far away from the drainage pipe along with the pressure change of the back pressure cavity so as to plug or open the drainage pipe.
2. A pressure bag drainage system as claimed in claim 1 wherein:
a vertical water passing pipe is arranged in the water storage cavity; the upper end of the water passing pipe is communicated to the water inlet, and the lower end of the water passing pipe extends to the bottom of the water storage cavity.
3. A pressure bag drainage system as claimed in claim 1 wherein:
a return spring is further arranged in the back pressure cavity and used for realizing the return of the diaphragm to the direction of the drain pipe; and an annular flange for positioning the return spring is arranged on the inner wall of the accommodating cavity.
4. A pressure bag drainage system as claimed in claim 3 wherein:
the drainage structure also comprises a movable seat for assembling the diaphragm, and the return spring is arranged between the inner wall of the containing cavity and the movable seat; the surface of sliding seat is provided with a plurality of spacing posts, be provided with on the diaphragm with spacing hole that spacing post matches, spacing post inlays to be established in the spacing hole.
5. The pressure bag drainage system of claim 4, wherein:
the water replenishing hole penetrates through the diaphragm and the movable seat.
6. A pressure bag drainage system as claimed in claim 1 wherein:
the edge of the diaphragm is fixedly arranged on the side wall of the containing cavity, and at least one circle of deformable wrinkles are arranged on the diaphragm.
7. A pressure pack drainage system as claimed in claim 1, wherein:
the water outlet is arranged on the upper wall of the accommodating cavity, the water inlet and the drain pipe are arranged on the lower wall of the accommodating cavity, and the drain pipe protrudes out of the lower wall of the accommodating cavity.
8. A pressure bag drainage system as claimed in claim 1 wherein:
and the opening valve is communicated with the water drainage port.
9. A pressure bag drainage system as claimed in claim 1 wherein:
the pressure bag further comprises a one-way air valve arranged on the pressure bag body and used for supplying air when water enters the water storage cavity.
10. A pressure bag drainage system as claimed in any one of claims 1 to 9 wherein:
also includes a pressure relief cover;
the drainage structure is arranged in the pressure bag body; a groove is formed in the pressure bag body and serves as the drainage cavity, and the water storage cavity and the drainage pipe are communicated to the groove;
the pressure relief cover is matched in the groove and clamps the edge of the diaphragm with the groove; the back pressure cavity is enclosed between the pressure relief cover and the diaphragm, and the water outlet is arranged.
11. A pressure bag drainage system as claimed in any one of claims 1 to 9 wherein:
the drainage structure is arranged outside the pressure bag body as an independent device;
the drainage structure comprises a valve body, a water inlet end cover and a water outlet end cover, wherein the valve body is provided with the accommodating cavity, the water inlet end cover and the water outlet end cover are detachably connected with the valve body, the water inlet end cover is provided with at least one water inlet, and the water outlet end cover is provided with at least one drain pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156578 | 2021-12-15 | ||
| CN2021231565780 | 2021-12-15 |
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| Publication Number | Publication Date |
|---|---|
| CN216920583U true CN216920583U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220205660.3U Active CN216920583U (en) | 2021-12-15 | 2022-01-25 | Pressure package drainage system |
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| CN (1) | CN216920583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109182A1 (en) * | 2021-12-15 | 2023-06-22 | 厦门铱科卫浴科技有限公司 | Pressure bag drainage system |
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2022
- 2022-01-25 CN CN202220205660.3U patent/CN216920583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109182A1 (en) * | 2021-12-15 | 2023-06-22 | 厦门铱科卫浴科技有限公司 | Pressure bag drainage system |
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