KR101528472B1 - Sliding cover type rainfall catchment apparatus - Google Patents

Sliding cover type rainfall catchment apparatus Download PDF

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Publication number
KR101528472B1
KR101528472B1 KR1020130134920A KR20130134920A KR101528472B1 KR 101528472 B1 KR101528472 B1 KR 101528472B1 KR 1020130134920 A KR1020130134920 A KR 1020130134920A KR 20130134920 A KR20130134920 A KR 20130134920A KR 101528472 B1 KR101528472 B1 KR 101528472B1
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KR
South Korea
Prior art keywords
water collecting
collecting tank
upper plate
water
plate
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KR1020130134920A
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Korean (ko)
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KR20150053119A (en
Inventor
조용식
조혜린
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한양대학교 산학협력단
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Priority to KR1020130134920A priority Critical patent/KR101528472B1/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Special Wing (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)

Abstract

The present invention relates to a rainwater collecting device installed on a rooftop of an apartment and includes a water collecting tank 20 for collecting and storing rain water and an upper plate 10 for opening and closing the water collecting tank 20, The water collecting tank 20 is provided with an automatic opening and closing system in which a main cylinder 30, a movable gripper 41 and a fixed gripper 42 are installed so as to automatically open and close the upper plate 10, It is an excellent water collecting device with an enlargement of the water collecting area.
It is possible to maximize a rainfall collecting area even in a limited space such as a roof of a multi-family house by providing the water collecting device with rain water catching function as well as a water tank function, thereby omitting a separate water storage facility for utilization of the stored water Thereby simplifying the overall utilization facility.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a slip-

The present invention relates to a rainwater collecting device installed on a rooftop of an apartment and includes a water collecting tank 20 for collecting and storing rain water and an upper plate 10 for opening and closing the water collecting tank 20, The water collecting tank 20 is provided with an automatic opening and closing system in which a main cylinder 30, a movable gripper 41 and a fixed gripper 42 are installed so as to automatically open and close the upper plate 10, It is an excellent water collecting device with an enlargement of the water collecting area.

Due to the rapid increase in water demand due to industrialization and urbanization, and the decrease in available water resources due to environmental destruction and climate change, various efforts are being made to secure a source of water, and rainwater is collected and stored to be used for landscaping water, living water, The method of utilization is relatively simple, and it is easy to construct a dispersion system of small facilities, and there is often no need for highly purified water treatment and it is easy to secure a reservoir head.

The prior art relating to artificial catchment of such rainfall is disclosed in Laid-Open Patent Application No. 2013-76021.

Conventional rainfall artificial collecting including the open patent No. 2013-76021 may be applied to various methods such as installing separate facilities for catching and receiving water, or using existing facilities such as a building roof, a playground, or a parking lot as a water surface However, it is not only costly to install rainfall capturing facilities and installation facilities, but also limits the expansion of the catchment area. If existing outdoor facilities are utilized, storage facilities such as water tanks and reservoirs should be installed separately. In addition, there is a serious problem that a large amount of contaminants are introduced into the water when the rainfall is initially discharged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an excellent water collecting device capable of freely selecting an installation place, and to provide a water retention function to the water collecting device itself and to automatically open and close, And to prevent secondary pollution by keeping airtight state in case of storm after rain storm, and to maximize the catchment area when opening the water collecting device for catching rainfall.

That is, in order to achieve the above object, the present invention provides a water collecting apparatus for collecting and storing rainwater, comprising: a water collecting tank (upper water collecting tank) having an open top and a water outlet (25) A main gripper 41 is mounted on the side wall of the main cylinder 30 and a fixing gripper 42 is installed on a sidewall of the main syringe 30 on the side of the main syringe 30, A pair of jaws 43 which are close to and spaced apart from each other in accordance with the application of the fluid pressure are mounted on the upper and lower plates 10, And the lower end portion of the wall plate 11 protruding to the lower portion of the upper plate 10 is pressed and caught while the jaws 43 are close to each other. When the wall plate 11 of the movable gripper 41 is caught, The upper plate 10 is moved to open the water collecting tank 20 and the position of the upper plate 10 when the wall plate 11 of the fixed gripper 42 is captured And the top plate 10 is moved in the direction of the arrow A as the main plate 30 is retracted and retracted and the wall plate 11 of the fixing gripper 42 is fixed and released repeatedly, And the water collecting tank (20) is opened.

A lower track 21 and an upper track 22 parallel to each other are formed at an upper end of a side wall of the water collecting tank 20 where the main cylinder 30 is installed. There is provided a wall plate roller 51 having an interval and a diameter that coincide with each other between the upper orbit 22 and the lower orbit 21. When the upper plate 10 is moved and the roller is moved between the lower orbit 21 and the upper orbit 22 And a water collecting tank roller 52 contacting the bottom surface of the upper plate 10 is provided at an end of the sidewall of the front side water collecting tank 20 of the main cylinder 30. As the upper plate 10 moves, Wherein a curved portion in which a running surface gradually rises is formed at a rear end of the main cylinder (30) of the lower rail (21), and the water collecting tank (20) of the upper plate A protruding roller 17 is provided on the front wall plate 11 immediately before the movable gripper 41 when fully closed, When the main cylinder 30 is extended in a state in which the jaws 43 of the movable grippers 41 are not spaced apart and the wall plate 11 is not caught, the movable gripper 41 pushes the projecting rollers 17, The top plate 10 is lifted up while the wall roller 51 moves along the curved portion of the lower track 21 at the same time that the upper wall 10 moves.

It is possible to maximize a rainfall collecting area even in a limited space such as a roof of a multi-family house by providing the water collecting device with rain water catching function as well as a water tank function, thereby omitting a separate water storage facility for utilization of the stored water Thereby simplifying the overall utilization facility.

In addition, since the water collecting tank 20 can be normally kept in a hermetically closed state, secondary contamination of the stored water is prevented, and the water collecting tank 20 is automatically opened and closed to ensure operational convenience.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Fig. 2 is an example of the installation state of the present invention
FIG. 3 is a graph illustrating the state of use of the present invention
Fig. 4 is a perspective view of the water-
5 is an exploded perspective view of the present invention
Fig. 6 is an explanatory view
7 is an exploded perspective view of the main cylinder and the movable gripper of the present invention
8 is a partially exploded perspective view of the movable gripper according to the present invention,
9 is an explanatory view
10 is an enlarged perspective view of the optical large-

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the outer appearance of the present invention. As shown in FIG. 1, the present invention includes a water collecting tank 20 as a rectangular enclosure and a rectangular upper plate 10 for closing the upper part of the water collecting tank 20 ) And the like.

FIG. 2 illustrates a state in which the present invention is installed on the roof of an apartment, illustrating the installation state of the present invention. When the present invention is installed on the roof of a building, It is possible to utilize the excellent efficiency through the present invention having the water collecting and storing function without installing the water storage facility.

As shown in FIGS. 1 to 5, the water collecting tank 20 of the present invention is a rectangular shaped enclosure having an open upper part. The water collecting tank 20 has the function of collecting rain water as well as collecting storm water, (25) is formed in the lower part of the main body (20), and the stored stormwater can be supplied to the outside.

A main cylinder 30 for automatic opening and closing of the upper plate 10, a movable gripper 41 and a fixed gripper 42 (not shown) are provided on the side wall of the water collecting tank 20, A wall plate 11 protruding upward and downward is joined to the outer wall of the upper plate 10 so that the lower end of the wall plate 11 is pressed against the movable gripper 41 and the fixed gripper And the upper end of the wall plate 11 functions as a water outlet wall so that the rain that has fallen on the upper plate 10 when the upper plate 10 is opened can flow into the water collecting tank 20 without leaking to the side, .

3, when the top plate 10 of the present invention is opened at the time of rainfall, the surface of the top plate 10 as well as the water collecting tank 20 is utilized as the water collecting surface of the rainfall. Therefore, Which is about twice as large as that of the water collecting area.

At this time, the wall plate 11 on the outer side of the upper plate 10 serves as a wall for blocking the leakage of rainwater on the surface of the upper plate 10 to the outside. As shown in FIG. 4, Since the side wall 1 on the side of the water collecting tank 20 is completely opened without the wall plate 11 being opened during the opening of the upper panel 10 as shown in Fig. 3, The depth of the water surface formed on the upper plate 10 is very small, so that the wall plate 11 does not need to protrude excessively to the upper side of the upper plate 10.

On the other hand, when the upper plate 10 is opened immediately after the start of the rainfall, the contaminants deposited on the surface of the upper plate 10 may flow into the water collecting tank 20, The water quality of the reservoir water can be secured.

In the present invention, the opening of the upper plate 10 is performed in a sliding manner in a direction parallel to the upper end of the water collecting tank 20. The movement of the upper plate 10 is, as in the enlarged portion in the right- The operation is performed by the organic compound operation of the main cylinder 30, the movable gripper 41 and the fixed gripper 42 provided on the sidewall of the water collecting tank 20. The enlarged portion in the left ellipse and the enlarged portion in the lower ellipse in Fig. A wall plate 51 is provided on the wall plate 11 of the upper plate 10 and a lower orbit 21 and an upper orbit 22 on which the wall plate 51 rotates are installed on the side wall of the water collecting tank 20, So that the upper plate 10 can be smoothly opened and closed.

6 and 7, the main cylinder 30, the movable gripper 41, and the fixed gripper 42, which perform the opening and closing operations of the upper plate 10, (Not shown), that is, a fluid pressure application means, that is, a compressor or a hydraulic pump, and the main cylinder 30 is configured such that the connecting rod protrudes and retreats And the movable gripper 41 and the fixed gripper 42 are operated in such a manner that a pair of jaws 43 formed at the upper end portion are close to and spaced from each other as the fluid pressure is applied.

6, a movable gripper 41 is mounted on the leading end of the connecting rod of the main cylinder 30 installed in the water collecting tank 20 so that the main cylinder 30 is extended in the axial direction of the main cylinder 30 That is, the movable gripper 41 also moves in the moving direction of the upper plate 10. [

7, the movable gripper 41 includes a pair of jaws 43 having inclined grooves 47 formed at the bottom thereof, a housing 45 to which the jaws 43 are coupled, And the lifting roller 46 is coupled to the inclined grooves 47 of the jaws 43 so that the fluid cylinders 44 and the fluid cylinders 44 44 and the lifting and lowering roller 46 move up and down, the jaws 43 reciprocate in a direction perpendicular to the lifting rollers 46. [

7, the jaws 43 in the state of being coupled to the housing 45 are inhibited from vertical movement and only horizontal movement in the drawing, 7, the lifting movement of the lifting rollers 46 is converted into the horizontal movement of the jaws 43, and the basic structure and the operation method are the same as those of the movable gripper 41 and the fixed gripper 42) are the same.

As the main cylinder 30 is extended and retracted and a pair of the jaws 43 of the movable gripper 41 and the fixed gripper 42 are proximate to and spaced from each other are organically combined and repetitively performed, ). The specific moving method is shown in detail in FIG.

8 is a state in which the water collecting tank 20 is completely closed by the upper plate 10, and the main cylinder 30 is kept in a contracted state at this time.

8, one pair of jaws 43 of the movable gripper 41 are brought into close proximity to each other, and the pair of jaws 43 of the movable gripper 41 are brought into close contact with the wall plate (not shown) of the upper plate 10 11, the main cylinder 30 is extended and the upper plate 10 is moved to the right in the drawing. At this time, the pair of jaws 43 of the fixed gripper 42 are kept apart from each other.

When the main cylinder 30 continues to extend and the connecting rod stroke is exhausted, as in the third step of FIG. 8, the main cylinder 30 stops stretching and a pair of jaws 43 of the fixed gripper 42 A pair of jaws 43 of the movable gripper 41 are spaced apart from each other and the main cylinder 30 is contracted while the wall plate 11 of the upper plate 10 is caught and held close to each other.

When the main cylinder 30 is retracted, the movable gripper 41 catches the wall plate 11 again, as in the fourth step shown in the lower part of FIG. 8, and then the gripping state of the fixed gripper 42 is released, The cylinder 30 is extended and the upper plate 10 moves again a distance corresponding to the stroke of the main cylinder 30. The above steps are repeated and the movement of the upper plate 10 continues.

As described above, according to the present invention, by the associated operation of the main cylinder 30 provided in the water collecting tank 20, the movable gripper 41 mounted on the main cylinder 30, and the fixed gripper 42 fixed to the water collecting tank 20, It is possible to move the upper plate 10 to a virtually unlimited distance beyond the stroke of the cylinder 30.

When a general fluid pressure actuator is applied to move the upper plate 10, it is not possible to have a moving range below the stroke of the actuator, so that a large actuator can not be applied. However, as described above, in the present invention, by virtue of the combined operation of the main cylinder 30, the movable gripper 41, and the fixed gripper 42, a substantially unlimited range of movement is ensured even through the microactuator can do.

9, the upper plate 10 and the water collecting tank 20 of the present invention are provided with a wall plate roller 51 and a water collecting tank roller 52, respectively, and a lower track 21 and a lower track 21 are provided on the side wall of the water collecting tank 20, By forming the upper trajectory 22, the upper plate 10 can be smoothly moved when the water collecting tank 20 is opened and closed.

9, the lower track 21 and the upper track 22 parallel to each other are formed at the upper end of the side wall provided with the main cylinder 30 of the water collecting tank 20, A wall plate roller 51 having the same interval and diameter as the upper orbit 22 and the lower orbit 21 is provided at the rear side end portion of the lower rail 21. As the upper plate 10 is moved, A water collecting tank roller 52 contacting the bottom surface of the upper plate 10 is provided at an end of the side wall of the front collecting tank 20 of the main cylinder 30 so that the upper plate 10 is moved So that the roller can be rotated while being in contact with the bottom surface of the upper plate 10.

As the wall plate 51, the water collecting tank 52, the lower track 21 and the upper track 22 are applied, the upper plate 10 and the water collecting tank 20 are not in direct contact with each other when they are opened and closed, Is supported through the wall plate roller 51 and the water collecting tank roller 52 so that the upper plate 10 can be smoothly moved and the output of the main cylinder 30 or the like can be reduced.

The water collecting tank roller 52 provided in the water collecting tank 20 rotates while contacting with the bottom surface of the upper plate 10 and is moved downwardly to the water collecting tank roller 52 irrespective of the opening degree of the upper plate 10. [ A moment acting as the rotation axis of the water collecting tank roller 52 is applied to the wall plate roller 51 provided at the end of the wall plate 11 of the upper plate 10 so that the driving roller of the wall plate roller 51 And the distance between the lower orbit 21 and the upper orbit 22 is made equal to the diameter of the wall roll 51 and the distance between the lower orbit 21 and the upper orbit 22, 10).

9, the upper plate 10 can be stably moved only by the support of the lower track 21 at the initial stage of the opening of the upper plate 10. However, as the movement of the upper plate 10 continues, The upper track 10 can be rotated around the water collecting tank roller 52 due to the weight of the protruded portion so that the upper track 22 can suppress the rise of the wall roller 51. [

The upper end of the water collecting tank 20 is connected to the lower surface of the upper plate 10 and the upper surface of the water collecting tank 20 is connected to the lower surface of the upper plate 10, So that the inside of the water collecting tank 20 is sealed.

An elastic body such as packing may be provided at the bottom of the upper plate 10 or at the upper end of the water collecting tank 20 in order to maintain a tightly closed state of the upper layer. It is difficult to smoothly open and close the upper plate 10 due to frictional force.

9, in the initial movement of the upper plate 10 for opening the water collecting tank 20, the opening initial wall roller 51 is moved in the horizontal direction, A curved portion is formed on the bottom surface of the upper plate 10 immediately above the lower trajectory 21 of the lower portion and the upper portion of the water collecting tank roller 52 so that the upper plate 10 So that the friction between the bottom surface of the upper plate 10 and the upper end of the water collecting tank 20 is prevented.

That is, as in the enlarged portion in the left ellipse in Fig. 9, the curved portion in which the running surface gradually rises is formed at the rear side end portion of the main cylinder 30 of the lower rail 21 and the wall roller 51 is driven So that the upper plate 10 can be moved upward without exerting an external force on the upper plate 10 separately from the upper plate 10 by causing the water collecting tank 20 to run along the curved portion of the bottom surface of the upper plate 10 as well.

At this time, the horizontal movement of the upper plate 10 is performed while the main cylinder 30 is extended. In a state where the movable gripper 41 mounted on the main cylinder 30 firmly catches the wall plate 11 of the upper plate 10 It is impossible to raise the upper plate 10 and therefore the pair of jaws 43 of the movable gripper 41 can be moved in a state in which the movable gripper 41 does not catch the wall plate 11 as in the enlarged portion in the lower- The jaws 43 of the movable grippers 41 push the projecting rollers 17 protruding from the wall plate 11 to move the top plate 10 as the main cylinder 30 is extended, The projecting roller 17 is driven by the jaws 43 of the movable gripper 41 and rotates along the side edge of the jaws 43 as shown in the enlarged portion in the lower ellipse of Fig. .

Once the wall roller 51 has completely entered the lower track 21 of the lower track 21 to fully enter the lower track 21, the movable gripper 41 is operated in a state of firmly capturing the wall plate 11 9, the upper end of the jaw 43 of the fixed gripper 42 is positioned below the projecting roller 17, so that the protruding roller 17 is moved to the fixed gripper 42 So as not to collide with the jaws (43)

Meanwhile, since the bottom surface of the upper plate 10 is closely attached to the upper end of the water collecting tank 20 when the water collecting tank 20 is completely closed, the closed state of the water in the water collecting tank 20 is maintained so that it is difficult to smoothly discharge the stored water through the water outlet 25 As shown in FIGS. 1, 4 and 5, a vent pipe 18 is installed in the upper plate 10 to connect the inside and the outside of the water collecting tank 20. As shown in the figure, the upper end of the vent pipe 18 It is preferable to minimize the inflow of external contaminants by curving to form an inflow port of the outside air downward.

As described above, according to the present invention, not only the water collecting tank 20 but also the top plate 10 can be utilized as a rain water collecting surface when the water collecting tank 20 is opened, The closed state in the water collecting tank 20 can be maintained at the time of closing, so that the water collecting tank 20 can have a storage function.

Particularly, due to the organic combined operation of the main cylinder 30, the movable gripper 41 and the fixed gripper 42, there is no restriction on the moving range of the upper plate 10, The ribs 19 may be formed in a large size as shown in FIG. 10 since warping or twisting deformation may occur in the upper plate 10 and the water collecting tank 20 in this case. Or a bracing 29 may be formed and reinforced.

10: Top plate
11:
17: protruding roller
18: Vents
19: rib
20: Collecting tank (collecting tank)
21: Lower track
22: upper track
25: Outlet
29: Bracing
30: Main cylinder
41: Movable gripper (movable gripper)
42: Fixed gripper
43: jaw
44: Fluid cylinder
45: Housing
46: lifting roller
47: inclined groove
51: wall plate roller
52: Collector roller

Claims (3)

A movable gripper 41 is mounted on the side wall of the water collecting tank 20, which is a rectangular shaped housing with an open top and a water outlet 25 at the bottom, for collecting and storing storm water A fixing gripper 42 is installed on a sidewall of the front side water collecting tank 20 of the main cylinder 30 and a rectangular top plate 10 The movable gripper 41 and the fixed gripper 42 are each configured to be close to and spaced apart from each other in accordance with the application of the fluid pressure so that the upper gripper 42 When the main cylinder 30 is extended in a state in which the wall plate 11 of the movable gripper 41 is caught and the upper plate 10 is moved and the water collecting tank 20 is opened The position of the upper plate 10 is fixed when the wall plate 11 of the fixed gripper 42 is captured and the wall plate 11 of the movable gripper 41 is captured and released, As the upper plate 10 is moved and the water collecting tank 20 is opened as the elongation and contraction of the water jacket 30 and the fixing and release of the wall plate 11 of the fixed gripper 42 are repeated, 30 are provided on the upper end of the main cylinder 30 of the wall plate 11 and a lower orbit 21 and an upper orbit 22 are formed parallel to each other at the upper end of the side wall provided with the upper orbit 22 and the lower orbit 21 And the roller travels between the lower orbit 21 and the upper orbit 22 as the upper plate 10 moves so that the roller is moved in the forward direction of the main cylinder 30 In the openable and closable type water collecting apparatus in which the water collecting tank roller 52 contacting the bottom surface of the upper plate 10 is provided at the end of the side wall of the water collecting tank 20 and rotates while the roller contacts the bottom surface of the upper plate 10 as the upper plate 10 moves ,
A curved portion in which the running surface gradually rises is formed on the rear side end of the main cylinder (30) of the lower rail (21);
A projecting roller 17 is provided on the front wall plate 11 immediately before the movable gripper 41 when the upper plate 10 is completely closed in the water collecting tank 20;
When the main cylinder 30 is extended in a state in which the jaws 43 of the movable grippers 41 are separated during the initial opening of the water collecting tank 20 and the wall plate 11 is not caught, the movable grippers 41 are moved to the projecting rollers 17 And the upper plate 10 is moved upward while the wall roller 51 moves along the curved portion of the lower track 21. The openable and closable type water collecting device according to claim 1, delete delete
KR1020130134920A 2013-11-07 2013-11-07 Sliding cover type rainfall catchment apparatus KR101528472B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130134920A KR101528472B1 (en) 2013-11-07 2013-11-07 Sliding cover type rainfall catchment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130134920A KR101528472B1 (en) 2013-11-07 2013-11-07 Sliding cover type rainfall catchment apparatus

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KR101528472B1 true KR101528472B1 (en) 2015-06-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149958A (en) * 2019-06-10 2019-08-23 王敏晓 A kind of architecture greening exterior wall

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CN105544660B (en) * 2015-12-14 2018-05-15 南京勤搏消防工程设备有限公司 Fire storage case
CN106545051B (en) * 2016-11-03 2018-12-18 泉州市进光贸易有限公司 A kind of water receiving component of straight line stretching, extension
CN106545050B (en) * 2016-11-03 2018-12-18 泉州市龙行贸易有限公司 A kind of rainwater catching device of water receiving variable area
CN107435355B (en) * 2017-04-21 2019-03-12 浙江三棱塑胶有限公司 A kind of rainwater recovery device
CN107435354B (en) * 2017-04-21 2018-12-18 徐州卧牛山新型防水材料有限公司 A kind of rainwater-collecting filter device
CN106869241B (en) * 2017-04-21 2019-03-05 浙江三棱塑胶有限公司 A kind of rain collector
CN108301460A (en) * 2018-01-31 2018-07-20 芜湖市皖南造船有限公司 A kind of transport rain collector peculiar to vessel

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KR100824982B1 (en) * 2007-11-14 2008-04-28 한빛테크원 (주) A armroll container
JP2009100733A (en) * 2007-07-17 2009-05-14 Kozo Oshio Automatic water-sprinkling system
KR101227681B1 (en) * 2010-10-28 2013-01-29 위규백 sludge and scum remover enabling adjustment of Length of cover

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KR890007745Y1 (en) * 1986-04-10 1989-10-31 대우중공업 주식회사 Cover door of nc lathe
JP2009100733A (en) * 2007-07-17 2009-05-14 Kozo Oshio Automatic water-sprinkling system
KR100824982B1 (en) * 2007-11-14 2008-04-28 한빛테크원 (주) A armroll container
KR101227681B1 (en) * 2010-10-28 2013-01-29 위규백 sludge and scum remover enabling adjustment of Length of cover

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149958A (en) * 2019-06-10 2019-08-23 王敏晓 A kind of architecture greening exterior wall
CN110149958B (en) * 2019-06-10 2021-05-14 福建九鼎建设集团有限公司 Building greening outer wall

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