CN220013849U - Rainwater collecting system for building - Google Patents
Rainwater collecting system for building Download PDFInfo
- Publication number
- CN220013849U CN220013849U CN202320526485.2U CN202320526485U CN220013849U CN 220013849 U CN220013849 U CN 220013849U CN 202320526485 U CN202320526485 U CN 202320526485U CN 220013849 U CN220013849 U CN 220013849U
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- Prior art keywords
- purifying
- rod
- water
- purifying box
- transmission rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 238000007667 floating Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000000746 purification Methods 0.000 claims description 17
- 244000005700 microbiome Species 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a rainwater collection system for a building, which comprises a building body, a building roof, a water collecting mechanism, a purifying box, a U-shaped flow guide pipe and a water storage tank, wherein the building roof is arranged on the top wall of the building body, the water collecting mechanism is arranged on the outer wall of the building body, the water collecting mechanism extends to the upper part of the purifying box, a purifying cavity is formed in the purifying box, a filter screen and the purifying mechanism are sequentially arranged on the side wall of the purifying cavity from top to bottom, an automatic cleaning mechanism is further arranged in the purifying cavity, the automatic cleaning mechanism comprises a floating piece, a first transmission rod, a second transmission rod, a horizontal rod, a cleaning block and a sliding rod, the cleaning block is propped against the top wall of the purifying box, and the U-shaped flow guide pipe is fixedly connected to the purifying box. The utility model can automatically clean the filter screen without manual cleaning, thereby saving manpower and material resources.
Description
Technical Field
The utility model relates to the technical field of rainwater recovery, in particular to a rainwater collection system for a building.
Background
The rainwater recycling system is a system which is used for collecting rainwater according to requirements and treating the collected rainwater to meet the design and use standards. Most of the systems consist of a waste flow filtering system, a water storage system and a purifying system; the building concept of building roofs is gradually paid attention to, and the building concept of building roofs depends on the roofs to store water, purify water, use water and cover soil to build a space beautifying mode of a landscape, so that the building method is particularly important to solve a series of environmental problems of serious shortage of urban land resources, increasingly reduced air quality, shortage of resident water resources, urban heat island effect and the like.
Most of the existing rainwater collecting devices for building roofs at present are various, because part of sulfur dioxide, nitrogen dioxide, ozone molecules and various impurities and floating dust are contained in rainwater, most of the rainwater collecting devices can be provided with a water purifying device to purify the collected rainwater so as to facilitate subsequent utilization, and the water purifying device can be provided with a filter screen to filter large-particle impurities, but the filter screen can be blocked by part of impurities after long-term use, so that the filtering effect is poor, manual cleaning is more troublesome, and therefore the rainwater collecting system for building, which can automatically clean the filter screen, is necessary.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide a rainwater collection system for buildings, and in order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
the rainwater collection system for the building comprises a building body, a building roof, a water collecting mechanism, a purifying box, a U-shaped flow guide pipe and a water storage tank, wherein the building roof is arranged on the top wall of the building body, the water collecting mechanism is arranged on the outer wall of the building body, and the water collecting mechanism extends to the upper part of the purifying box;
the purifying box is provided with a purifying cavity, the side wall of the purifying cavity is sequentially provided with a filter screen and a purifying mechanism from top to bottom, the purifying cavity is internally provided with an automatic cleaning mechanism, the automatic cleaning mechanism comprises a floating piece, a first transmission rod, a second transmission rod, a horizontal rod, a cleaning block and a sliding rod, the floating piece is connected to the side wall of the purifying cavity in a sliding manner, the first transmission rod is fixedly connected to the top wall of the floating piece, the upper end of the first transmission rod penetrates through the purifying mechanism and the filter screen to extend to the upper part of the purifying box, the upper end of the second transmission rod is rotationally connected with the upper end of the first transmission rod, the lower end of the second transmission rod is rotationally connected with one end of the horizontal rod, the other end of the horizontal rod is fixedly connected with the sliding rod, the sliding rod is fixedly connected to the front wall of the purifying box, and the cleaning block is fixedly connected to the bottom wall of the sliding rod, and the cleaning block is abutted to the top wall of the purifying box;
the U-shaped honeycomb duct is fixedly connected on the purifying box, and the left end of the U-shaped honeycomb duct extends into the purifying cavity, and the right end of the U-shaped honeycomb duct is connected with the top wall of the water storage tank, and the vertical height of the left end of the U-shaped honeycomb duct is higher than that of the right end of the U-shaped honeycomb duct.
Advantageously, the water collecting mechanism comprises a water collecting tank and a water guide pipe which are fixedly connected with each other, and the water collecting tank is detachably connected to the outer wall of the building body.
Advantageously, the purifying mechanism comprises a purified water microorganism layer and an activated carbon adsorption layer which are mutually connected, and the purified water microorganism layer and the activated carbon adsorption layer are both erected on the side wall of the purifying cavity.
The purifying box is characterized in that the side wall of the purifying box is embedded with a heating device, a heating rod is arranged on the heating device, and the heating rod extends into the water purifying microorganism layer.
The solar energy storage device comprises a water storage tank, and is characterized in that a solar energy mechanism is arranged on the top wall of the water storage tank and comprises a solar panel and a storage battery, the solar panel and the storage battery are both connected to the top wall of the water storage tank, and the heating device and the solar panel are both electrically connected with the storage battery.
Advantageously, the solar panel is connected to the top wall of the water storage tank by an angle adjustment mechanism.
The purifying box is characterized in that the upper end of the second transmission rod is rotatably connected with the upper end of the first transmission rod through a first rotating shaft, the lower end of the second transmission rod is rotatably connected with one end of the horizontal rod through a second rotating shaft, a sliding rail is fixedly connected with the front wall of the purifying box, and the sliding rod is slidably connected onto the sliding rail.
The utility model has the following beneficial effects:
through the gravity of rainwater and the siphon effect of U-shaped honeycomb duct, make the rainwater water level in the purification chamber constantly change to drive the reciprocating motion from top to bottom of floating piece, thereby make the cleaning piece horizontal movement, thereby carry out self-cleaning to the filter screen, prevent debris jam filter screen, need not artifical clearance, use manpower sparingly material resources, the linkage is high, through the setting of filter screen, water purification microorganism layer and active carbon adsorbed layer, can carry out triple purification to the rainwater, improve purification quality, utilize the new energy to generate electricity, environmental protection and energy saving accords with sustainable development theory.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a schematic view of a construction rainwater collection system according to the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a right side view of the purge bin of FIG. 1 according to the present utility model;
fig. 4 is a perspective view of the cleaning block of fig. 1 in accordance with the present utility model.
Reference numerals: building body 1, building roof 2, water catch bowl 3, aqueduct 4, purifying box 5, U-shaped honeycomb duct 6, storage water tank 7, purifying chamber 8, filter screen 9, water purification microorganism layer 10, active carbon adsorption layer 11, float 12, guide rail 121, first transfer line 13, second transfer line 14, first pivot 141, second pivot 142, horizontal pole 15, cleaning piece 16, slide bar 17, slide rail 18, heating device 19, heating rod 20, solar panel 21, angle adjustment mechanism 22, battery 23.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected via an intermediary, or connected by communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-4, a rainwater collection system for a building comprises a building body 1, a building roof 2, a water collecting mechanism, a purifying box 5, a U-shaped flow guide pipe 6 and a water storage tank 7, wherein the building roof 2 is arranged on the top wall of the building body 1, the water collecting mechanism is arranged on the outer wall of the building body 1, and the water collecting mechanism extends to the upper part of the purifying box 5;
the purifying box 5 is provided with a purifying cavity 8, a filter screen 9 and a purifying mechanism are sequentially erected on the side wall of the purifying cavity 8 from top to bottom, an automatic cleaning mechanism is further arranged in the purifying cavity 8, the automatic cleaning mechanism comprises a floating piece 12, a first transmission rod 13, a second transmission rod 14, a horizontal rod 15, a cleaning block 16 and a sliding rod 17, the floating piece 12 is connected to the side wall of the purifying cavity 8 in a sliding manner, the first transmission rod 13 is fixedly connected to the top wall of the floating piece 12, the upper end of the first transmission rod 13 penetrates through the purifying mechanism and the filter screen 9 to extend to the upper side of the purifying box 5, the upper end of the second transmission rod 14 is connected with the upper end of the first transmission rod 13 in a rotating manner, the lower end of the second transmission rod 14 is connected with one end of the horizontal rod 15 in a rotating manner, the other end of the horizontal rod 15 is fixedly connected with the sliding rod 17, the sliding rod 17 is connected to the front wall of the purifying box 5 in a sliding manner, the cleaning block 16 is fixedly connected to the bottom wall of the sliding rod 17, and the cleaning block 16 is abutted against the top wall of the purifying box 5;
the U-shaped flow guide pipe 6 is fixedly connected to the purifying box 5, the left end of the U-shaped flow guide pipe 6 extends into the purifying cavity 8, the right end of the U-shaped flow guide pipe 6 is connected with the top wall of the water storage tank 7, and the vertical height of the left end of the U-shaped flow guide pipe 6 is higher than that of the right end of the U-shaped flow guide pipe 6.
In an alternative embodiment of the utility model, the water collecting mechanism comprises a water collecting tank 3 and a water guide pipe 4 which are fixedly connected with each other, and the water collecting tank 3 is detachably connected with the outer wall of the building body 1.
In an alternative embodiment of the present utility model, the purifying mechanism includes a purified water microorganism layer 10 and an activated carbon adsorption layer 11 that are connected to each other, and the purified water microorganism layer 10 and the activated carbon adsorption layer 11 are both installed on the side wall of the purifying chamber 8.
The implementation process comprises the following steps: rainwater falls on building roof 2, flow to water catch bowl 3 along building roof 2, rainwater on the water catch bowl 3 flows to filter screen 9 through aqueduct 4 and carries out the filtration of large granule impurity, pass through water purification microbiological layer 10 again, microorganism in the water purification microbiological layer 10 is with the organic matter in the aquatic as the nutrient substance, absorb the organic matter, then water is absorbed the back and is accomplished the purification through active carbon adsorption layer 11 and carries out peculiar smell and organic matter, get into purifying chamber 8 and store temporarily, purifying chamber 8 water level is risen gradually, thereby drive floating piece 12 and rise gradually, through the transmission of first transfer line 13 and second transfer line 14, make 15 and cleaning piece 16 to left side remove, thereby cleaning piece 16 pushes away the impurity on the filter screen 9 subaerial to prevent impurity jam filter screen 9, when purifying chamber 8 water level is higher than U-shaped honeycomb duct 6 peak, water storage tank 7 is inhaled to U-shaped honeycomb duct 6 because the effect, thereby the cleaning piece 12 descends, thereby drive cleaning piece 16 moves right and resets, clean 9 again.
The activated carbon in the activated carbon adsorption layer 11 is a carbonaceous adsorption material with rich pore structure and huge specific surface area, has strong adsorption capacity, good chemical stability and high mechanical strength, and can be conveniently regenerated to wait for a point, so that the activated carbon adsorption layer is suitable for purifying water, and is nontoxic and harmless.
According to the embodiment, the gravity of rainwater and the siphon effect of the U-shaped flow guide pipe 6 enable the rainwater level in the purifying cavity 8 to continuously change, so that the floating piece 12 is driven to reciprocate up and down, the cleaning block 16 is enabled to move left and right, the filter screen is automatically cleaned, sundries are prevented from blocking the filter screen, manual cleaning is not needed, manpower and material resources are saved, and the linkage is high; through the setting of filter screen 9, water purification microorganism layer 10 and active carbon adsorbed layer 11, can carry out triple purification to the rainwater, improve purification quality.
According to an alternative embodiment of the present utility model, the side wall of the purifying tank 5 is embedded with a heating device 19, a heating rod 20 is arranged on the heating device 19, and the heating rod 20 extends into the purified water microorganism layer 10.
In an alternative embodiment of the present utility model, the top wall of the water tank 7 is provided with a solar energy mechanism, the solar energy mechanism includes a solar panel 21 and a storage battery 23, the solar panel 21 and the storage battery 23 are connected to the top wall of the water tank 7, and the heating device 19 and the solar panel 21 are electrically connected to the storage battery 23.
In an alternative embodiment according to the utility model, the solar panel 21 is connected to the top wall of the water storage tank 7 by means of an angle adjustment mechanism 22.
According to an alternative embodiment of the present utility model, the upper end of the second transmission rod 14 is rotatably connected to the upper end of the first transmission rod 13 through a first rotating shaft 141, the lower end of the second transmission rod 14 is rotatably connected to one end of the horizontal rod 15 through a second rotating shaft 142, and a sliding rail 18 is fixedly connected to the front wall of the purifying tank 5 and is slidably connected to the sliding rail 18.
The implementation process comprises the following steps: during sunny days, solar panel 21 receives sunlight, converts solar energy into electric energy and stores the electric energy in storage battery 23, and during rainy days, storage battery 23 can supply power for heating device 19, makes heating rod 20 generate heat, and the temperature is improved and can improve the activity degree of the water purification microorganism in water purification microorganism layer 10 to improve water purification efficiency and water purification quality.
The solar panel 21 can be aligned with sunlight by the angle adjusting mechanism 22, thereby improving photoelectric conversion efficiency.
The embodiment utilizes new energy to generate power, is environment-friendly and energy-saving, and accords with the sustainable development concept.
In an alternative embodiment of the present utility model, the floating member 12 has a hollow structure, the guide rail 121 is fixedly connected to the side wall of the purifying chamber 8, and the floating member 12 is slidably connected to the guide rail 121. The float 12 may be made of lightweight plastic.
The components, modules, mechanisms, devices, etc. of the utility model, which do not describe the structure in detail, are all common standard components or components known to those skilled in the art, and the structure and principle thereof are all known by those skilled in the art through technical manuals or through routine experimental methods.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (7)
1. The rainwater collection system for the building is characterized by comprising a building body (1), a building roof (2), a water collecting mechanism, a purifying box (5), a U-shaped flow guide pipe (6) and a water storage tank (7), wherein the building roof (2) is arranged on the top wall of the building body (1), the water collecting mechanism is arranged on the outer wall of the building body (1), and the water collecting mechanism extends to the position above the purifying box (5);
the purifying box (5) is provided with a purifying cavity (8), a filter screen (9) and a purifying mechanism are sequentially arranged on the side wall of the purifying cavity (8) from top to bottom, an automatic cleaning mechanism is further arranged in the purifying cavity (8), the automatic cleaning mechanism comprises a floating piece (12), a first transmission rod (13), a second transmission rod (14), a horizontal rod (15), a cleaning block (16) and a sliding rod (17), the floating piece (12) is connected to the side wall of the purifying cavity (8) in a sliding mode, the first transmission rod (13) is fixedly connected to the top wall of the floating piece (12), the upper end of the first transmission rod (13) penetrates through the purifying mechanism and the filter screen (9) to extend to the upper side of the purifying box (5), the upper end of the second transmission rod (14) is connected with the upper end of the first transmission rod (13) in a rotating mode, the lower end of the second transmission rod (14) is connected with one end of the horizontal rod (15) in a rotating mode, the other end of the horizontal rod (15) is fixedly connected with the sliding rod (17), the sliding rod (17) is fixedly connected to the front wall of the purifying box (5), and the cleaning block (16) is fixedly connected to the bottom wall of the sliding rod (17) and the cleaning block (16) abuts against the bottom wall of the purifying box (5).
The U-shaped honeycomb duct (6) is fixedly connected to the purifying box (5), the left end of the U-shaped honeycomb duct (6) extends into the purifying cavity (8), the right end of the U-shaped honeycomb duct (6) is connected with the top wall of the water storage tank (7), and the vertical height of the left end of the U-shaped honeycomb duct (6) is higher than that of the right end of the U-shaped honeycomb duct (6).
2. A rainwater collection system for construction according to claim 1, wherein the water collecting means comprises a water collecting tank (3) and a water guide pipe (4) fixedly connected with each other, the water collecting tank (3) being detachably connected to the outer wall of the building body (1).
3. The rainwater collection system for construction according to claim 1, wherein the purification mechanism comprises a purified water microorganism layer (10) and an activated carbon adsorption layer (11) which are connected with each other, and the purified water microorganism layer (10) and the activated carbon adsorption layer (11) are both erected on the side wall of the purification cavity (8).
4. A rainwater collection system for construction according to claim 3, wherein the side wall of the purifying box (5) is inlaid with a heating device (19), a heating rod (20) is arranged on the heating device (19), and the heating rod (20) extends into the water purifying microorganism layer (10).
5. The rainwater collection system for construction according to claim 4, wherein the top wall of the water storage tank (7) is provided with a solar mechanism, the solar mechanism comprises a solar panel (21) and a storage battery (23), the solar panel (21) and the storage battery (23) are connected to the top wall of the water storage tank (7), and the heating device (19) and the solar panel (21) are electrically connected to the storage battery (23).
6. A rainwater collection system for construction according to claim 5, wherein the solar panel (21) is connected to the top wall of the water storage tank (7) by means of an angle adjustment mechanism (22).
7. A rainwater collecting system for construction according to any one of claims 1-6, wherein the upper end of the second transmission rod (14) is rotatably connected with the upper end of the first transmission rod (13) through a first rotating shaft (141), the lower end of the second transmission rod (14) is rotatably connected with one end of the horizontal rod (15) through a second rotating shaft (142), the front wall of the purifying box (5) is fixedly connected with a sliding rail (18), and the sliding rail is slidably connected with the sliding rail (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526485.2U CN220013849U (en) | 2023-03-17 | 2023-03-17 | Rainwater collecting system for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526485.2U CN220013849U (en) | 2023-03-17 | 2023-03-17 | Rainwater collecting system for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220013849U true CN220013849U (en) | 2023-11-14 |
Family
ID=88680060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320526485.2U Active CN220013849U (en) | 2023-03-17 | 2023-03-17 | Rainwater collecting system for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220013849U (en) |
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2023
- 2023-03-17 CN CN202320526485.2U patent/CN220013849U/en active Active
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