CN221143314U - Prefabricated water storage tank for roof heat insulation - Google Patents
Prefabricated water storage tank for roof heat insulation Download PDFInfo
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- CN221143314U CN221143314U CN202322577455.7U CN202322577455U CN221143314U CN 221143314 U CN221143314 U CN 221143314U CN 202322577455 U CN202322577455 U CN 202322577455U CN 221143314 U CN221143314 U CN 221143314U
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- storage tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000009413 insulation Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- -1 fallen leaves Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004078 waterproofing Methods 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
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- Building Environments (AREA)
Abstract
The prefabricated water storage tank for roof heat insulation disclosed by the embodiment of the application has the function of water storage, so that a complex structural layer is not required to be paved on the roof as the tank body module 1 has the function of water storage. When the water storage roof is used, the proper number of the box modules is set according to the area of the roof, the water storage roof is paved on a common roof, and the two adjacent box modules are connected through the first connecting structure, so that the complete water storage roof can be formed. Therefore, the prefabricated water storage tank for roof heat insulation can reduce working procedures and construction difficulty, shorten construction period, reduce load on the roof and save cost as complex structural layers are not required to be paved.
Description
Technical Field
The utility model relates to the technical field of roof engineering, in particular to a prefabricated box module.
Background
The water storage roof is used for storing water on the roof, and because of heat storage and evaporation of water, a great deal of solar radiation heat projected on the roof can be consumed, and the heat transfer quantity passing through the roof is effectively reduced, so that the effects of heat preservation and heat insulation are achieved effectively.
In the related art, in order to ensure the water storage effect of the water storage roof, when the water storage roof is arranged on the roof, layers such as a mortar isolation layer, a reinforced concrete pool, a waterproof mortar plastering water storage layer and the like are required to be sequentially arranged on the waterproof layer, the construction layers are more, and the construction of the layers is required to be carried out on a construction site, so that the procedures are numerous, the construction is inconvenient, and the construction period is long.
Disclosure of utility model
The embodiment of the utility model discloses a prefabricated water storage tank for roof heat insulation.
In order to achieve the above object, the present utility model discloses a prefabricated water storage tank for roofing heat insulation, comprising:
The box body modules are arranged on the roof, each box body module comprises a top and a bottom which are opposite to each other, each box body module comprises a first side and a second side along a first direction, a first connecting structure is arranged on the first side and the second side, the first connecting structure is arranged on the top, two adjacent box body modules are connected through the first connecting structure along the first direction of the box body modules so that the two adjacent box body modules are spliced together, a water outlet is formed in the bottom of each box body module, and the water outlets of the two adjacent box body modules are communicated; and
And the drain pipes are connected with the drain outlets of the two adjacent box body modules.
As an alternative embodiment, the first connection structure includes one or more of a snap structure, a hook structure, and a magnetic structure.
As an alternative embodiment, the first connection structure includes a first connection portion and a second connection portion, the first side is provided with the first connection portion, and the second side is provided with the second connection portion corresponding to the first connection portion;
When two adjacent box modules are spliced along the first direction, the second connecting part on the second side of one box module is matched and connected with the first connecting part on the first side of the other box module.
As an alternative embodiment, one of the first connection portion and the second connection portion is an arc-shaped buckling portion, and the other of the first connection portion and the second connection portion is a protruding portion.
As an alternative embodiment, the case module includes a first end and a second end along a second direction, the first connection portion and the second connection portion on one case module are one, the first connection portion extends from the first end to the second end on the first side, and the second connection portion extends from the first end to the second end on the second side;
wherein the second direction intersects the first direction.
As an alternative embodiment, the box module further comprises a first end and a second end along a second direction, wherein a second connecting structure is arranged on the first end and/or the second end, and the second connecting structure is positioned at the top of the box module;
When two adjacent box body modules are spliced along the second direction, the second connecting structure on the first end or the second end of one box body module is matched and connected with the second connecting structure on the second end or the first end of the other box body module;
wherein the second direction intersects the first direction.
As an alternative embodiment, the second connection structure is a buckle.
As an alternative embodiment, the first end and the second end are both provided with the drain openings, and the drain pipe is connected to the drain openings of two adjacent tank modules along the second direction.
As an alternative embodiment, a valve is provided on the drain pipe.
As an alternative embodiment, the drain pipe is arranged with a distance from the roof so that a drain space is formed between the drain pipe and the roof.
Compared with the prior art, the utility model has the beneficial effects that:
The application discloses a prefabricated water storage tank for roof heat insulation, which is characterized in that a plurality of prefabricated tank modules are arranged to serve as water storage containers, each tank module comprises a first side and a second side, a first connecting part is arranged on each of the first side and the second side, and drain pipes are communicated between adjacent tank modules. When the water storage roof is used, the proper quantity of the box modules can be set according to the area of the roof, the water storage roof is paved on a common roof, and the two adjacent box modules are connected through the first connecting part, so that the complete water storage roof can be formed. Therefore, the prefabricated box module is adopted to build the water storage roof, and complex layers are not required to be laid in advance, so that the working procedures and the construction difficulty can be reduced, and the construction period is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a prefabricated water reservoir for roofing insulation according to an embodiment of the present application;
FIG. 2 is a schematic view of the tank module of FIG. 1;
fig. 3 is a schematic front view of fig. 2.
Reference numerals illustrate:
a first direction, X; a second direction, Y;
a box module 1; a top portion 11; a bottom 12; a first side, 13; a second side, 14; a drain port 15; a first end, 16, a second end, 17;
a drain pipe (2); a valve, 21;
a first connection structure, 3; a first connection portion 31; a second connection portion 32; ;
And a second connection structure, 4.
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 present utility model, the terms "upper", "top", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "disposed," "configured," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. 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.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The water storage roof is used for storing water on the roof, and the water storage roof can be used for storing water on the roof in a large amount due to heat storage and evaporation of water, so that solar radiation heat projected on the roof can be greatly consumed due to heat storage and evaporation of water, the heat transfer quantity passing through the roof is effectively reduced, and the effects of heat preservation and heat insulation are achieved effectively.
In the related art, in order to ensure the water storage effect of the water storage roof, when the water storage roof is arranged on the roof, a plurality of structural layers are required to be sequentially arranged on a waterproof layer, and the waterproof layer is sequentially provided with a 10-millimeter-thick low-strength-grade mortar isolation layer, a 60-millimeter-thick reinforced concrete pool, a 20-millimeter-thick waterproof mortar plastering layer and a 150-200-millimeter water storage layer from the waterproof layer upwards. The simple construction is to be understood as the addition of a large reinforced concrete basin to the roof, which surface also requires a waterproofing treatment. The construction of the layers needs to be carried out on a construction site, so that the procedures are numerous, the construction is inconvenient and the construction period is long. In addition, the water storage roof in the related art has poor resistance to vibration, is easy to leak water when subjected to vibration, and cannot be used for buildings with larger earthquake areas and vibration.
Based on this, the application discloses a prefabricated water storage tank for roof insulation, comprising: the box modules are provided with connecting structures on the side walls of the box modules, adjacent box modules can be spliced with each other through the connecting structures, drain holes are further formed in the side walls of the box modules, and the drain holes of the adjacent box modules are communicated through drain pipes. When the water storage roof is used, the proper quantity of the box modules can be set according to the area of the roof, the water storage roof is paved on a common roof, and the two adjacent box modules are connected through the first connecting part, so that the complete water storage roof can be formed. Therefore, the prefabricated box module is adopted to build the water storage roof, and complex layers are not required to be laid in advance, so that the working procedures and the construction difficulty can be reduced, and the construction period is shortened.
The technical scheme of the utility model will be further described with reference to the examples and the accompanying drawings.
Referring to fig. 1 to 3, a prefabricated water storage tank for roof insulation according to an embodiment of the present application includes: a plurality of tank modules 1 and a drain pipe 2. Each tank module 1 comprises an opposite top 11, bottom 12, a first side 13 in a first direction X and a second side 14. Wherein the bottom 12 of each tank module 1 is provided with a drain opening 15 and the top 11 is provided with a first connection structure 3. Two adjacent box modules 1 are spliced together through a first connecting structure 3, and adjacent water outlets 15 which are positioned on different box modules 1 are communicated through a water drain pipe 2.
The prefabricated water storage tank for roof heat insulation disclosed by the embodiment of the application has the function of water storage, so that a complex structural layer is not required to be paved on the roof as the tank body module 1 has the function of water storage. When the water storage roof is used, the number of the proper box modules 1 is set according to the area of the roof, the water storage roof is paved on a common roof, and the two adjacent box modules 1 are connected through the first connecting structure 3, so that the complete water storage roof can be formed. Therefore, the prefabricated water storage tank for roof heat insulation can reduce working procedures and construction difficulty, shorten construction period, and save cost as complex structural layers are not required to be paved, the weight is lighter, the load on the roof is smaller, and the cost is also saved.
Alternatively, the material of the case module 1 may be stainless steel, so that the case module 1 does not need to be waterproofed and is durable. In addition, the stainless steel material can be recycled, so that the energy-saving and environment-friendly effects are realized. As an example, the case module 1 may be an elongated case, such as a square case, and the first direction X may be a length direction or a width direction of the case module. Of course, as other examples, the tank module 1 may be, for example, a hexagonal tank or other tank that can be formed in a closely-spaced shape. In practice, the box modules 1 with the same shape or different shapes can be combined according to the shape of the roof, the design range, the use range or other requirements, the form is variable, and the use is flexible.
Hereinafter, the case module 1 is a square case, and the first direction X is a width direction of the case module.
Referring to fig. 1, the first connection structure 3 may optionally include a first connection portion 31 and a second connection portion 32. The first connecting portion 31 is disposed on the first side 13, the second connecting portion 32 is disposed on the second side 14 correspondingly, and the first connecting portion 31 and the second connecting portion 32 are both located at the top 11 of the case module 1. For example, the first connecting portion 31 may be an arc-shaped fastening portion, and the second connecting portion 32 may be a protruding portion, so that when two adjacent case modules 1 are spliced along the first direction, the first connecting portion 31 on the first side 13 of one case module 1 is matched and connected with the second connecting portion 32 on the second side 14 of the other case module 1, thereby connecting the two case modules 1 to each other. The two mutually connected box modules 1 can be allowed to rotate around the connecting position by a certain angle under the premise of keeping the connecting strength by adopting the mode of matching and connecting the arc-shaped buckling parts and the protruding parts. Therefore, when the prefabricated water storage tank for roof heat insulation is paved on an uneven roof or a roof with a certain radian, the prefabricated water storage tank can still be well attached to the roof, so that the reliability of the prefabricated water storage tank for roof heat insulation in the installation of the prefabricated water storage tank for roof heat insulation on the roof is facilitated, and a good heat preservation and insulation effect is also facilitated to be maintained.
Preferably, the first connection portion 31 extends from one end of the first side 13 to the other end in the second direction Y, and correspondingly, the second connection portion 32 extends from one end of the second side 14 to the other end in the second direction Y. In this way, the plurality of case modules 1 are reliable along the first direction X, and the connection between the plurality of case modules 1 is not easy to be disconnected due to thermal expansion and contraction, slight earthquake, or strong convection weather. Meanwhile, gaps among the box body modules 1 are fewer, fallen leaves, dust and sand and the like are not easy to pass through the prefabricated water storage tank for roof heat insulation, so that the prefabricated water storage tank is stacked on a roof, and the roof is kept clean. It is to be understood that the first connecting structure 3 may be in other forms, such as one or more of a snap structure, a hook structure, a magnetic structure, etc.
As can be seen from the foregoing, the first direction X may be the width direction of the case module 1, and the second direction Y may be the length direction of the case module 1, that is, the first connection portion 31 and the second connection portion 32 extend from one end to the other end of the case module 1 in the length direction.
In some embodiments, the tank module 1 further comprises a first end 16 and a second end 17 in the second direction Y, wherein the first end 16 and/or the second end 17 is provided with a second connection structure 4, and the second connection structure 4 is located at the top 11. Illustratively, the second connecting structure 4 may be a buckle disposed at the first end 16. When two adjacent tank modules 1 are spliced along the second direction Y, the second connection structure 4 on the first end 16 of one tank module 1 overlaps the second end 17 of the other tank module 1, thereby splicing the two tank modules. When the connection mode of arc buckling part and bulge has been selected to the first connection structure 3, the connection between different box modules 1 is comparatively inseparable, is difficult to adjust, if the second connection structure 4 adopts the scheme the same with first connection structure 3, is limited in practice by the manufacturing accuracy and the construction accuracy of box module 1, easily causes the oversubscribation for box module 1 concatenation and installation difficulty. The second connecting structure 4 uses the hasp to splice adjacent box modules along the second direction Y, and the connection is comparatively lax, easily adjusts. Meanwhile, small gaps are easy to generate between adjacent box body modules 1 in the connecting mode, and solids such as fallen leaves, dust and sand of the small gaps are difficult to pass through, but rainwater can pass through, so that the rainwater can pass through the prefabricated water storage tank for roof heat insulation, and fall on the roof to be discharged. By combining the connection mode of the first connection structure 3 and the stainless steel material of the box body modules 1 in the embodiment, a certain expansion allowance is formed between the box body modules 1, and the prefabricated water storage tank is not easy to damage when being vibrated, so that the roof heat insulation water storage tank is not easy to generate roof water leakage when being arranged in a seismic fortification area and a building with larger vibration.
It will be appreciated that in other examples, the second connection structure 4 may be in other forms, such as one or more of a snap structure, a hook structure, a magnetic structure, etc.
Alternatively, the number of the second connection structures 4 may be one or more, and illustratively, the number of the second connection structures may be two, so that the connection of the box modules along the first direction Y is more reliable, and the connection is not easy to be disconnected in the case of thermal expansion and contraction, strong convection weather, slight earthquake, or the like.
Optionally, the drain opening 15 is disposed at the first end 16 and the second end 17, the drain pipe 2 is connected to the drain openings 15 of two adjacent tank modules 1 along the second direction Y, and the drain openings 15 are provided with valves 21. Preferably, the valve 21 is provided only on the drain pipe 2 to which the tank module 1 is connected at the end in the second direction Y. Thus, when water storage or drainage is needed, water can be stored or drained to the tank modules 1 aligned along the second direction Y at the same time through one valve 21, and the efficiency is high.
Alternatively, the drain pipe 2 is arranged with a spacing from the roof so that a drain space is formed between the drain pipe 2 and the roof. If the space is not set, rainwater passes through the prefabricated water storage tank for roof heat insulation, and falls on the roof, the rainwater cannot flow due to the blocking of the drain pipe, and is accumulated on the roof. Further, the first side 13, the second side 14, the first end 16 and the second end 17 are disposed at an angle to the bottom 12, so that the area of the bottom 12 is larger than the area of the top 11, and the connection between the first side 13, the second side 14, the first end 16 and the second end 17 and the bottom 12 is in a circular arc transition. Thus, the drainage space is larger, and the effect of draining rainwater is better. In addition, the first side 13, the second side 14, the first end 16 and the second end 17 are disposed at an angle to the bottom 12, so that in the situations of transportation, storage and the like, the case modules 1 can be stacked, more case modules 1 can be stored in the same space, and the transportation and storage costs of the case modules 1 can be reduced.
The following is an illustration of a prefabricated water reservoir splicing process for roofing insulation according to the present application:
S1: calculating the number of required box modules 1 according to the area and the shape of the roof, in particular the number a of the box modules 1 which can be arranged along the first direction X and the number b of the box modules 1 which can be arranged along the second direction Y;
S2: the first connecting portion 31 and the second connecting portion 32 are used for splicing a plurality of box modules 1 along the first direction X and are paved on a roof. The number of the box modules 1 in the step can be any number which is not less than 2 and not more than a, and the number is selected to be convenient for installation;
S3: and splicing the plurality of box modules along the second direction Y by using the second connecting structure 4, and paving the box modules on the roof. The number of the box modules 1 in the step can be any number which is not less than 2 and not more than b, and the number is selected to be convenient for installation;
S4: repeating the steps S2 and S3 until all the box modules are paved;
s5: a drain pipe 2 and a valve 21 are installed;
s6: water is injected through valve 21.
It should be noted that the foregoing has numbered and listed the process of using a prefabricated water storage tank for roofing insulation according to the present application for ease of understanding, but the foregoing process does not represent that a prefabricated water storage tank for roofing insulation according to the present application must operate in the exact order described. In practice, the order of the steps may be configured according to actual needs, or several steps in the foregoing may be combined, split, deleted, or steps not mentioned in the foregoing may be inserted.
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 same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the present utility model 22 with the novel embodiments.
Claims (10)
1. A prefabricated water reservoir for roofing insulation, the prefabricated water reservoir for roofing insulation comprising:
The box body modules are arranged on the roof, each box body module comprises a top and a bottom which are opposite to each other, each box body module comprises a first side and a second side along a first direction, a first connecting structure is arranged on the first side and the second side, the first connecting structure is arranged on the top, two adjacent box body modules are connected through the first connecting structure along the first direction of the box body modules so that the two adjacent box body modules are spliced together, a water outlet is formed in the bottom of each box body module, and the water outlets of the two adjacent box body modules are communicated; and
And the drain pipes are connected with the drain outlets of the two adjacent box body modules.
2. The prefabricated water storage tank for roof insulation according to claim 1, wherein the first connection structure comprises one or more of a snap structure, a hook structure, and a magnetic attraction structure.
3. A prefabricated water storage tank for roof insulation according to claim 2, wherein the first connection structure comprises a first connection portion and a second connection portion, the first side is provided with the first connection portion, and the second side is provided with the second connection portion corresponding to the first connection portion;
When two adjacent box modules are spliced along the first direction, the second connecting part on the second side of one box module is matched and connected with the first connecting part on the first side of the other box module.
4. A prefabricated water storage tank for roof insulation according to claim 3, wherein one of the first and second connection portions is an arc-shaped fastening portion, and the other of the first and second connection portions is a protruding portion.
5. A prefabricated water storage tank for roof insulation according to claim 4, wherein said tank modules further comprise a first end and a second end in a second direction, said first and second connection portions on one of said tank modules being one, said first connection portion extending from said first end to said second end on said first side, said second connection portion extending from said first end to said second end on said second side;
wherein the second direction intersects the first direction.
6. A prefabricated water storage tank for roof insulation according to claim 1, wherein the tank module further comprises a first end and a second end in a second direction, the first end and/or the second end being provided with a second connection structure, the second connection structure being located at the top of the tank module;
When two adjacent box body modules are spliced along the second direction, the second connecting structure on the first end or the second end of one box body module is matched and connected with the second connecting structure on the second end or the first end of the other box body module;
wherein the second direction intersects the first direction.
7. A prefabricated water storage tank for roof insulation according to claim 6 wherein said second connection means is a buckle.
8. A prefabricated water storage tank for roof insulation according to claim 6, wherein said first end and said second end are each provided with said drain opening, said drain being connected to the drain openings of two adjacent tank modules in a second direction.
9. A prefabricated water storage tank for roof insulation according to claim 8, wherein a valve is provided on the drain pipe.
10. A prefabricated water storage tank for use in thermal insulation of a roof according to any one of claims 1 to 9, wherein the drain pipe is arranged with a spacing from the roof such that a drain space is formed between the drain pipe and the roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577455.7U CN221143314U (en) | 2023-09-21 | 2023-09-21 | Prefabricated water storage tank for roof heat insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322577455.7U CN221143314U (en) | 2023-09-21 | 2023-09-21 | Prefabricated water storage tank for roof heat insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221143314U true CN221143314U (en) | 2024-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322577455.7U Active CN221143314U (en) | 2023-09-21 | 2023-09-21 | Prefabricated water storage tank for roof heat insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221143314U (en) |
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2023
- 2023-09-21 CN CN202322577455.7U patent/CN221143314U/en active Active
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