CN215890619U - Vacuum water diversion system - Google Patents
Vacuum water diversion system Download PDFInfo
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- CN215890619U CN215890619U CN202122400328.0U CN202122400328U CN215890619U CN 215890619 U CN215890619 U CN 215890619U CN 202122400328 U CN202122400328 U CN 202122400328U CN 215890619 U CN215890619 U CN 215890619U
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Abstract
The utility model relates to a vacuum water diversion system, comprising: the vacuum tank comprises a water storage cavity, a water inlet pipeline and a water outlet pipeline which are respectively communicated with the water storage cavity and the external space outside the vacuum tank; the water flow pipeline comprises a water supply pipeline, the water supply pipeline comprises a first pipeline, a second pipeline and a third pipeline, one end of the first pipeline is communicated with the water inlet pipeline, the other end of the first pipeline is communicated with one end of the second pipeline, the other end of the second pipeline is communicated with one end of the third pipeline through a trap, the trap is higher than the second pipeline and the third pipeline in the vertical direction, the convex surface of the trap faces upwards, and the other end of the third pipeline is immersed into an external water pool; and one end of the water outlet unit is communicated with the water outlet pipeline, and the water outlet unit pumps air to the water outlet pipeline so as to suck the water in the external water tank into the water storage cavity and discharge the water to the water outlet unit through the water outlet pipeline of the water storage cavity. The problem of cloth technology quality reduction that can avoid better bringing because of the vacuum tank is not enough to water supply to the water outlet unit.
Description
Technical Field
The utility model relates to the technical field of water supply in textile industry, in particular to a vacuum water diversion system.
Background
In the textile processing, water needs to be supplied to a spraying system of an alkali mercerizing machine so as to meet the production and processing requirements of textile cloth. Because the position of the alkali mercerizing machine is far away from the water pool, in order to meet the water supply requirement of the spraying system, a vacuum tank is generally arranged between the spraying system and the water pool, one end of a water supply pipeline is communicated with a water inlet pipeline of the vacuum tank, the other end of the water supply pipeline is immersed in the water pool, a water outlet pipeline of the vacuum tank is communicated with the spraying system through a water outlet pipeline, and a water pump and other driving elements are arranged on the water outlet pipeline. For example, when the water pump is operated, air is pumped into the vacuum tank and the water supply line, so that water in the water tank is pumped into the vacuum tank and discharged to the spraying system through the water outlet line. When the water pump stops working, water in the water supply pipeline returns to the water pool, more air possibly exists in the water supply pipeline, the water pump has the risk of evacuation when working next time, and then the water supply of the spraying system is influenced.
The existing improvement scheme is that a control valve is arranged on one side of a water supply pipeline close to a water pool, and the control valve is closed when the water pump stops working, so that water flow of the water supply pipeline cannot flow back to the water pool, and the evacuation risk of the water pump is reduced. However, the control valve is easily wound by foreign matters in the water tank or abraded by sundries in the water tank, so that the control valve is air-leaked and failed, and the problem of evacuation can occur again after the water pump is stopped.
In addition, less water storage cavity cleaning of the vacuum tank is performed in the existing scheme, and when the working time of the vacuum tank is long, the side wall of the water storage cavity is difficult to clean.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a vacuum priming system to address the problem of pump-out of the water supply line mentioned above.
A vacuum priming system, comprising:
the vacuum tank comprises a water storage cavity, a water inlet pipeline and a water outlet pipeline, wherein the water inlet pipeline and the water outlet pipeline are respectively communicated with the water storage cavity and an external space outside the water storage cavity;
the water flow pipeline comprises a water supply pipeline and a water outlet pipeline, the water supply pipeline comprises a first pipeline, a second pipeline and a third pipeline, one end of the first pipeline is communicated with the water inlet pipeline, the other end of the first pipeline is communicated with one end of the second pipeline, the other end of the second pipeline is communicated with one end of the third pipeline through a trap, the trap is higher than the second pipeline and the third pipeline in the vertical direction, the convex surface of the trap faces upwards, and the other end of the third pipeline is immersed into an external water pool;
and one end of the water outlet unit is communicated with the water outlet pipeline, and the water outlet unit sucks air from the water outlet pipeline so as to suck the water in the external water pool into the water storage cavity and discharge the water to the water outlet unit through the water outlet pipeline of the water storage cavity.
When the driving element works, the vacuum water diversion system conveys water in the water pool to the vacuum tank along the water supply pipeline and then discharges the water to the water outlet unit; after the driving element stops working, because the water supply pipeline is provided with the trap, the convex surface of the trap is upward and is higher than the second pipeline and the third pipeline in the water supply pipeline, so that water flow in the second pipeline is difficult to pass through the trap and flows into the pool through the third pipeline. This scheme can reduce the air content in the water supply pipe way for this reason, has reduced the risk of managing to find time of water unit, and then also avoids the vacuum tank because of the problem that the cloth technology quality reduces that brings to the water unit water supply inadequately. Simultaneously, the design of the water supply pipeline and the trap in the scheme avoids the air leakage problem caused by failure of the control valve in the existing scheme.
In one embodiment, the water outlet unit comprises a driving element, the water flow pipeline comprises a water outlet pipeline, a water inlet of the driving element is communicated with the water outlet pipeline, a water outlet of the driving element is communicated with one end of the water outlet pipeline, and the other end of the water outlet pipeline is used for being communicated with an external water demand system.
In one embodiment, the vacuum tank further comprises a first opening communicating the reservoir chamber with an external space outside the vacuum tank, and a cover plate detachably closing the first opening.
In one embodiment, the cover plate is provided with a water replenishing pipeline, the water replenishing pipeline is communicated with the water storage cavity and an external space outside the vacuum tank, one end of the water replenishing pipeline is communicated with an external tap water pipeline, and the water replenishing pipeline is provided with a first control valve.
In one embodiment, a reversing baffle is arranged in the water storage cavity, the reversing baffle corresponds to the water replenishing pipeline, the reversing baffle is connected with the cover plate or the side wall of the water storage cavity, and the edge of the reversing baffle is close to the side wall of the water storage cavity.
In one embodiment, the cover plate is further provided with an exhaust pipeline for communicating the water storage cavity with the external space outside the vacuum tank and a second control valve for controlling the opening and closing of the exhaust pipeline.
In one embodiment, the first opening is located at the top end of the vacuum tank, a connecting plate fixedly connected with the outer wall of the vacuum tank is arranged at the edge of the first opening, and the cover plate is in threaded connection with the connecting plate.
In one of the embodiments, the vacuum tank is further provided with a liquid level gauge.
In one embodiment, the bottom end of the vacuum tank is provided with a sewage drainage pipeline which is communicated with the water storage cavity and an external space outside the vacuum tank, and a third control valve which controls the opening and closing of the sewage drainage pipeline.
In one embodiment, the side wall of the second pipeline is provided with a drainage pipeline for communicating the inner cavity of the second pipeline with the external space outside the second pipeline and a fourth control valve for controlling the drainage pipeline to be opened and closed.
Drawings
Fig. 1 is a schematic structural view of a vacuum priming system according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
The reference numbers illustrate:
100. a vacuum tank; 110. a water storage cavity; 111. a water inlet pipe; 112. a water outlet pipeline;
113. a reversing baffle; 114. a blowdown line; 115. a third control valve; 120. a first opening;
130. a cover plate; 131. a water replenishing pipeline; 132. a first control valve; 133. an exhaust duct;
134. a second control valve; 140. a liquid level gauge; 150. a support frame;
200. a water flow line; 210. a water supply line; 211. a first pipeline; 212. a second pipeline;
2121. a water discharge pipeline; 2122. a fourth control valve; 213. a third pipeline; 214. a water trap;
220. a water outlet pipeline; 300. a water outlet unit; 310. a drive element.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a vacuum priming system according to an embodiment of the present invention, where the vacuum priming system includes: the vacuum tank 100, the water flow pipeline 200 and the water outlet unit 300, wherein the vacuum tank 100 can play a role of storing water flow; the water outlet unit 300 delivers the water in the sump to the vacuum tank 100 through the water flow pipe 200, and then discharges the water of the vacuum tank 100 to the water outlet unit 300, and the water outlet unit 300 may communicate with a spray system of a workshop, for example. The direction of the water flow can be seen in fig. 1 as indicated by the arrow a. The water pipe 200 may be made of plastic material to keep the position of the water pipe fixed. Of course, the material and the arrangement position of the water flow line 200 are not limited thereto.
In consideration of the existing technical scheme, the water flow pipeline 200 has the problem of air leakage due to the fact that the water flow pipeline flows back to the water pool or the valve body at the end of the water flow close to the water pool exists, and further more air exists in the water flow pipeline 200, so that the risk of evacuation exists when the water outlet unit 300 works. It should be noted that when the water outlet unit 300 includes a centrifugal water pump, if a pump-down problem occurs, the service life of the centrifugal water pump may be affected. Therefore, the idea of the scheme is to change the height position of the water flow pipeline 200 in the vertical direction relative to the water pool, and prevent the water flow of the water flow pipeline 200 from flowing back into the water pool, so as to reduce the air content in the water flow pipeline 200, thereby better avoiding the risk of evacuation of the water outlet unit 300, achieving the purpose of prolonging the service life of the water outlet unit 300, and finally avoiding the problem of reduction of the quality of the cloth process caused by insufficient water supply to the water outlet unit 300 due to the vacuum tank 100.
Specifically, the vacuum tank 100 includes: the vacuum tank 100 comprises a water storage cavity 110, a water inlet pipeline 111 and a water outlet pipeline 112 which are respectively communicated with the water storage cavity 110 and an external space outside the vacuum tank 100, wherein the water storage cavity 110 can store water, and after the water inlet pipeline 111 and the water outlet pipeline 112 of the vacuum tank 100 are respectively communicated with a water flow pipeline 200, the water storage cavity 110 of the vacuum tank 100 is a relatively closed space; the water inlet pipe 111 is near the top end of the vacuum tank 100, and the water outlet pipe 112 is near the bottom end of the vacuum tank 100, so as to facilitate the water flow to the water storage cavity 110 of the vacuum tank 100 and to facilitate the water storage cavity 110 to have better water storage capacity. The water flow pipeline 200 comprises a water supply pipeline 210, wherein the water supply pipeline 210 comprises a first pipeline 211, a second pipeline 212 and a third pipeline 213, one end of the first pipeline 211 is communicated with the water inlet pipeline 111 of the vacuum tank 100, the other end of the first pipeline 211 is communicated with one end of the second pipeline 212, the other end of the second pipeline 212 is communicated with one end of the third pipeline 213 through a trap 214, the trap 214 is higher than the second pipeline 212 and the third pipeline 213 in the vertical direction, the convex surface of the trap 214 faces upwards, and the other end of the third pipeline 213 is immersed into an external water pool; the first pipeline 211, the second pipeline 212 and the third pipeline 213 may refer to the positions divided by the dotted lines in fig. 1.
One end of the water outlet unit 300 is communicated with the water outlet pipe 112 of the water storage cavity 110, and the water outlet unit 300 sucks water in the external water pool into the water storage cavity 110 by pumping air towards the water outlet pipe 112 and discharges the water to the water outlet unit 300 through the water outlet pipe 112 of the water storage cavity 110. The water outlet unit 300 may be a plurality of vacuum tanks 100 connected in parallel or in series, or may be only a driving element 310, such as a centrifugal water pump. When the water outlet unit 300 comprises the driving element 310, the water flow pipeline comprises the water outlet pipeline 220, the water inlet of the driving element 310 is communicated with the water outlet pipe 112 of the water storage cavity 110, the water outlet of the driving element 310 is communicated with one end of the water outlet pipeline 220, and the other end of the water outlet pipeline 220 is used for being communicated with an external water-requiring system, such as a spraying system of a workshop.
In this embodiment, when water needs to be supplied to the water demand system, the water outlet unit 300 starts to operate, the water in the water tank enters the water supply pipeline 210, and enters the water storage cavity 110 of the vacuum tank 100 through the water supply pipeline 210, and then the water in the water storage cavity 110 enters the water demand system along the water outlet pipeline 220; when the water discharging unit 300 stops operating, since the water supply line 210 is provided with the trap 214, the trap 214 is raised upward and is vertically higher than the second line 212 and the third line 213, and thus the water flow in the second line 212 is difficult to pass through the trap 214 and flows into the water tank through the third line 213. Therefore, the air content in the water supply pipeline 210 can be reduced, the evacuation risk of the water outlet unit 300 is reduced, and the problem of the reduction of the quality of the cloth process caused by insufficient water supply to the water outlet unit 300 by the vacuum tank 100 is solved. Meanwhile, the design of the water supply pipeline 210 and the water trap 214 in the scheme avoids the problem of air leakage caused by failure of the control valve in the existing scheme.
Considering the need for timed cleaning of the vacuum tank 100, in one embodiment, the vacuum tank 100 further comprises a first opening 120 and a cover 130, wherein the first opening 120 communicates the reservoir chamber 110 with the external space outside the vacuum tank 100, and the cover 130 detachably closes the first opening 120. The first opening 120 may be located at the top end of the vacuum tank 100, wherein the edge of the first opening 120 is provided with a connection plate fixedly connected to the outer wall of the vacuum tank 100, and the cover plate 130 is screwed to the connection plate. When the vacuum tank 100 needs to be cleaned, the first cover plate 130 can be removed, and a water gun is used for spraying water along the first opening 120 to the side wall of the water storage cavity 110 or manually entering the water storage cavity 110 along the first opening 120, so that the purpose of cleaning the water storage cavity 110 is achieved.
In order to better monitor the water storage condition in the water storage cavity 110 of the vacuum tank 100, in an embodiment, the vacuum tank 100 is provided with a liquid level device 140, for example, a glass liquid level device 140 disposed on the side of the vacuum tank 100, and the water storage condition in the water storage cavity 110 can be known in real time through the liquid level device 140. Of course, the water storage condition in the water storage cavity 110 is not limited to be monitored, and the material of the vacuum tank 100 can be made of a transparent material.
Further, considering that the water demand system of the workshop has a large demand for water, the water storage cavity 110 of the vacuum tank 100 may store insufficient water, and therefore, water needs to be supplemented into the vacuum tank 100. In one embodiment, the cover plate 130 is provided with a water supply pipe 131, wherein the water supply pipe 131 is communicated with the water storage cavity 110 and the external space outside the vacuum tank 100, one end of the water supply pipe 131 is communicated with the external tap water pipe, and the water supply pipe 131 is provided with a first control valve 132. When the water in the water storage cavity 110 is not enough, the first control valve 132 is opened, and the water flow of the tap water pipe can flow into the water storage cavity 110 through the water replenishing pipe 131. The first control valve 132 may be a one-way valve or a one-way solenoid control valve, but is not limited thereto.
Furthermore, the purpose of cleaning the side wall of the water storage cavity 110 is achieved by better utilizing the impact force of the water flow entering the water storage cavity 110 from the water replenishing pipeline 131. In one embodiment, a reversing baffle 113 is arranged in the water storage cavity 110, wherein the reversing baffle 113 corresponds to an outlet of the water replenishing pipeline 131, the reversing baffle 113 is connected with the cover plate 130 or the side wall of the water storage cavity 110, and the edge of the reversing baffle 113 is close to the side wall of the water storage cavity 110. In this embodiment, after the water flows into the reversing baffle 113, according to the physical and mathematical knowledge, the water flow flowing out of the reversing baffle 113 includes a velocity in the horizontal direction and a velocity in the gravity direction, and the two velocities enable the water flow to make a parabolic motion, so that the water flow can wash the side wall of the reservoir cavity 110, thereby achieving the purpose of cleaning the side wall of the reservoir cavity 110. The reversing baffle 113 may be fixed to the cover plate 130 or the sidewall of the reservoir 110 by welding or screwing, and the reversing baffle 113 may be a circular plate with a diameter smaller than that of the reservoir 110.
In order to pump the air in the reservoir chamber 110 and maintain the vacuum state of the vacuum tank 100, in one embodiment, the cover 130 further comprises an exhaust pipe 133 for communicating the reservoir chamber 110 with the external space outside the vacuum tank 100, and a second control valve 134 for controlling the opening and closing of the exhaust pipe 133. When the air in the reservoir chamber 110 needs to be pumped out, the exhaust pipe 133 is connected to an external air pumping device, and after the air pumping of the reservoir chamber 110 is completed, the second control valve 134 is closed, and the second control valve 134 may be the same as the first control valve 132.
In order to discharge dirt or other impurities in the water storage cavity 110 of the vacuum tank 100 in time, in one embodiment, a drainage pipe 114 for communicating the water storage cavity 110 with the external space outside the vacuum tank 100 and a third control valve 115 for controlling the drainage pipe 114 to open and close are disposed at the bottom end of the vacuum tank 100. When the reservoir chamber 110 of the vacuum tank 100 is cleaned, the third control valve 115 is opened, and the water in the reservoir chamber 110 is discharged to the external space outside the vacuum tank 100 along the sewage discharge pipe 114.
Considering that the water supply pipe 210 and the water outlet pipe 220 in the water path system need to be cleaned in the maintenance of the vacuum water diversion system, in order to timely discharge the water flow in the second pipe 212 of the water supply pipe 210, in one embodiment, the side wall of the second pipe 212 is provided with a water discharge pipe 2121 for communicating the inner cavity of the second pipe 212 with the external space outside the second pipe 212 and a fourth control valve 2122 for controlling the opening and closing of the water discharge pipe 2121. When it is desired to discharge the water in the second pipe 212, the fourth control valve 2122 is opened, and the water in the second pipe 212 is discharged to an external space outside the water supply pipe along the water discharge pipe 2121. The fourth control valve 2122 may be identical to the first control valve 132.
In order to better secure the vacuum canister 100, in one embodiment, a plurality of support brackets 150 are further provided at the bottom end of the vacuum canister 100 to support the vacuum canister 100. A plurality of support brackets 150 may be welded to the vacuum tank 100, respectively, and the number of the support brackets 150 may be three. The plurality of supports 150 may maintain the stability of the vacuum container 100, thereby achieving an effect of fixing the vacuum container 100.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A vacuum priming system, characterized in that, the vacuum priming system includes:
the vacuum tank comprises a water storage cavity, a water inlet pipeline and a water outlet pipeline, wherein the water inlet pipeline and the water outlet pipeline are respectively communicated with the water storage cavity and an external space outside the water storage cavity;
the water flow pipeline comprises a water supply pipeline and a water outlet pipeline, the water supply pipeline comprises a first pipeline, a second pipeline and a third pipeline, one end of the first pipeline is communicated with the water inlet pipeline, the other end of the first pipeline is communicated with one end of the second pipeline, the other end of the second pipeline is communicated with one end of the third pipeline through a trap, the trap is higher than the second pipeline and the third pipeline in the vertical direction, the convex surface of the trap faces upwards, and the other end of the third pipeline is immersed into an external water pool;
and one end of the water outlet unit is communicated with the water outlet pipeline, and the water outlet unit sucks air from the water outlet pipeline so as to suck the water in the external water pool into the water storage cavity and discharge the water to the water outlet unit through the water outlet pipeline of the water storage cavity.
2. The vacuum priming system according to claim 1, wherein the water outlet unit comprises a driving element, the water flow pipeline comprises a water outlet pipeline, a water inlet of the driving element is communicated with the water outlet pipeline, a water outlet of the driving element is communicated with one end of the water outlet pipeline, and the other end of the water outlet pipeline is used for being communicated with an external water demand system.
3. The vacuum priming system of claim 2, wherein the vacuum tank further comprises a first opening communicating the reservoir chamber with an exterior space outside the vacuum tank, and a cover plate removably closing the first opening.
4. The vacuum water diversion system according to claim 3, wherein the cover plate is provided with a water replenishing pipeline, the water replenishing pipeline is communicated with the water storage cavity and an external space outside the vacuum tank, one end of the water replenishing pipeline is communicated with an external tap water pipeline, and the water replenishing pipeline is provided with a first control valve.
5. The vacuum water diversion system according to claim 4, wherein a reversing baffle is arranged in the water storage cavity, the reversing baffle corresponds to the water replenishing pipeline, the reversing baffle is connected with the cover plate or the side wall of the water storage cavity, and the edge of the reversing baffle is close to the side wall of the water storage cavity.
6. The vacuum priming system of claim 3, wherein the cover plate is further provided with an exhaust pipe for communicating the water storage cavity with an external space outside the vacuum tank, and a second control valve for controlling the opening and closing of the exhaust pipe.
7. The vacuum priming system of claim 3, wherein the first opening is located at the top end of the vacuum tank, a connecting plate fixedly connected with the outer wall of the vacuum tank is arranged at the edge of the first opening, and the cover plate is in threaded connection with the connecting plate.
8. The vacuum priming system of claim 1, wherein the vacuum tank is further provided with a liquid level gauge.
9. The vacuum priming system of claim 1, wherein a bottom end of the vacuum tank is provided with a sewage drainage pipe communicating the water storage cavity with an external space outside the vacuum tank and a third control valve controlling opening and closing of the sewage drainage pipe.
10. The vacuum priming system according to claim 1, wherein a drain pipe communicating the inner cavity of the second pipe with an external space outside the second pipe and a fourth control valve controlling opening and closing of the drain pipe are provided on a side wall of the second pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400328.0U CN215890619U (en) | 2021-09-30 | 2021-09-30 | Vacuum water diversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400328.0U CN215890619U (en) | 2021-09-30 | 2021-09-30 | Vacuum water diversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890619U true CN215890619U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400328.0U Active CN215890619U (en) | 2021-09-30 | 2021-09-30 | Vacuum water diversion system |
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|---|---|
| CN (1) | CN215890619U (en) |
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2021
- 2021-09-30 CN CN202122400328.0U patent/CN215890619U/en active Active
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