CN109763401A - One kind can anticlogging gardens drainage mechanism and its construction works - Google Patents
One kind can anticlogging gardens drainage mechanism and its construction works Download PDFInfo
- Publication number
- CN109763401A CN109763401A CN201910108260.3A CN201910108260A CN109763401A CN 109763401 A CN109763401 A CN 109763401A CN 201910108260 A CN201910108260 A CN 201910108260A CN 109763401 A CN109763401 A CN 109763401A
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- drainpipe
- porous disc
- positioning table
- anticlogging
- gardens
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- 238000010276 construction Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000007906 compression Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 11
- 239000000789 fastener Substances 0.000 claims description 7
- 210000000481 Breast Anatomy 0.000 claims description 4
- 230000002093 peripheral Effects 0.000 claims description 2
- 230000000903 blocking Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 210000001624 Hip Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003014 reinforcing Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000001429 stepping Effects 0.000 description 1
Classifications
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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
Abstract
The invention discloses one kind can anticlogging gardens drainage mechanism and its construction works, including the drainpipe with porous disc and cache box positioned at drainpipe side；Locating rod is arranged in the two sides of drainpipe upper end, and permeable board ends are provided with waist-shaped hole；Drainpipe both ends are separately provided for the first positioning table and the second positioning table of stationary positioned bar, first positioning table height is lower than the height of the second positioning table, first positioning table and the second positioning table are arranged with upper end compression on the securing lever and hold out against in the elastic component of porous disc lower end surface, and drainpipe top is provided with the limit plate of positioning porous disc；Drainpipe offers the drainage conduit being connected to cache box in the first positioning table side, and cache box lower end is connected to drainpipe by water service pipe.The present invention has the following advantages and effects: porous disc is mounted in drainpipe by elastic component dynamic, realizes that the porous disc of blocking removes foreign matter automatically, avoids the generation that drainpipe causes gardens that ponding problem occurs due to the blocking of porous disc.
Description
Technical field
The present invention relates to the technical field of gardens drainage equipment, in particular to one kind can anticlogging gardens drainage mechanism and
Its works of constructing.
Background technique
Present artificial garden is more more and more universal, and gardens draining is also increasingly valued by people, at present major part gardens
There is drainage system, however still suffer from a large amount of ponding on heavy rain weather, the road surface in many parks, seriously affects people's
Walking, tracing it to its cause is leaf, soil in the water channel of gardens both sides because the discharge outlet on the irrigation canals and ditches in roadside blocks frequent occurrence
Particle, twig etc. are relatively more, and the mesh of the strainer at discharge outlet causes draining difficult after being blocked, so that rainwater can the road Man Dao
On face, seriously affects pedestrian and visit a park, walk.
Such as the Chinese patent " a kind of block-resistant type gardens drainage arrangement " of notification number CN205530586U, disclose a kind of row
Water installations are arranged screen belt in rotating roller, pass through filter screen by being arranged in drainpipe through motor-driven rotating roller
The foreign matters such as leaf are pushed on the blade of water fender and crush by band, to solve the problems, such as foreign matters from being blocked drainage arrangement.But by
It is drained throughout the year in drainage arrangement, when electrical power of side setting can have a leakage risk, while remain unchanged meeting in porous disc upper end
There is foreign matters from being blocked intake chamber, in turn results in the blocking of porous disc ontology.
Summary of the invention
The object of the present invention is to provide one kind can anticlogging gardens drainage mechanism, have the function of automatic drawing unloading foreign matter.
Above-mentioned technical purpose of the invention has the technical scheme that one kind can anticlogging gardens row
Water dispenser structure, including the drainpipe with porous disc and the cache box positioned at the drainpipe side；
Locating rod is arranged in the two sides of the drainpipe upper end, and the permeable board ends are provided with the waist being set in the locating rod
Type hole；
The drainpipe both ends are separately provided for fixing the first positioning table of the locating rod and the second positioning table, and described
One positioning table height is lower than the height of second positioning table, and first positioning table and second positioning table are on the securing lever
It is arranged with upper end compression to hold out against in the elastic component of the porous disc lower end surface, it is described that the drainpipe top is provided with positioning
The limit plate of water plate；
The drainpipe offers the drainage conduit being connected to the cache box in first positioning table side, under the cache box
End is connected to the drainpipe by water service pipe.
By using above-mentioned technical proposal, porous disc is located in limit plate lower end surface by elastic component, and normal condition is rained
Water or foreign matter directly pass through porous disc and are flowed into discharge in drainpipe.But as being accumulated in for time is accumulated on porous disc
Foreign matter, after more and more foreign matters close porous disc, when rainwater can generate pressure to closed porous disc, by the past row of porous disc
It is pushed in water pipe, elastic component is compressed, and porous disc moves down on the securing lever.Since the first positioning table height is low during moving down
In the second positioning table, when prevent the porous disc of second positioning table one end from moving down again, positioned at the permeable of first positioning table one end
Plate can continue to push, and the waist-shaped hole on porous disc can compensate for bit shift compensation required for porous disc tilts.It is permeable when the end
When plate is moved down on the first positioning table, rainwater can enter cache box by drainage conduit, simultaneously because porous disc tilts at this time
Setting, and then foreign matter can be drained into cache box by rainwater by the way, as foreign matter is discharged into cache box, porous disc is again
Realize perforation.At this time since the reset capability of elastic component is again by porous disc top to limit plate, rainwater enters again by porous disc
Into drainpipe, draining is realized, the rainwater in cache box is drained into drainpipe by water service pipe.
The further setting of the present invention are as follows: the elastic component upper end be fixed with abutting lid, it is described abutting cover be provided with
The ball bumps that the permeable plate end face abuts.
By using above-mentioned technical proposal, elastic component is abutted by the abutting lid with ball bumps with porous disc realization,
The frictional force of elastic component and porous disc is reduced, reduces porous disc pressure needed for run-off the straight in drainpipe, so that porous disc
Foreign matter excludes more smoothly.
The further setting of the present invention are as follows: the porous disc peripheral wall be provided be connected to it is described draining inside pipe wall circular arc it is convex
Item.
By using above-mentioned technical proposal, the setting circular arc raised line of porous disc side reduces between porous disc and drainpipe
The frictional force of contact.
The further setting of the present invention are as follows: the fastening for being located in the drainpipe upper end is provided on the limit plate
Part.
By using above-mentioned technical proposal, limit plate and drainpipe are detachably connected by fastener, are convenient for porous disc
It is installed in drainpipe, while can ensure spring scale compressive state.
The further setting of the present invention are as follows: bar shaped apopore is distributed on the porous disc.
By using above-mentioned technical proposal, porous disc setting bar shaped apopore allow to the greatest extent foreign matter by porous disc into
Enter and be discharged into drainpipe, porous disc is avoided to block.
The further setting of the present invention are as follows: the cache box upper end is provided with cabinet door, and inside is removably connected with and has
The filter frame of filter hole, the filter frame are located at the drainage conduit lower end.
By using above-mentioned technical proposal, the filter frame in cache box is carried out by artificial periodic detection by foreign body,
Cache box is avoided also to block.
The further setting of the present invention are as follows: be provided with handle on the filter frame, location hole, institute are offered on the handle
It states caching chamber interior wall and is provided with hook for positioning location hole.
By using above-mentioned technical proposal, filter frame realizes detachably connecting in cache box by the location hole on handle
It connects, taking and installing convenient for filter frame.
The further setting of the present invention are as follows: the drainpipe lower end is provided with the water filtration membrane being obliquely installed, and is located at water filtration membrane
The drainpipe of lower end is connected to reservoir, and the drainpipe positioned at water filtration membrane upper end is provided with the water outlet being connected to gardens drainage system
Mouthful.
By using above-mentioned technical proposal, a part of rainwater is entered in drainpipe by water filtration membrane and is collected into reservoir
It is interior, secondary use is carried out, such as pour.For rainwater be directly discharged into entire gardens drainage system and handle,
The further setting of the present invention are as follows: the suction pump for being installed on ground is provided on the reservoir.
By using above-mentioned technical proposal, suction pump extracts filtered rainwater out of reservoir separately does his use, improves
Rainwater utilization.
The object of the present invention is to provide a kind of drainage mechanisms.
Above-mentioned technical purpose of the invention has the technical scheme that one kind can anticlogging gardens row
The construction method of water dispenser structure,
S1, a reservoir, and the foundation pit for placing drainpipe and cache box are dug out on ground；
S2, drainpipe lower end is connected on reservoir, water outlet is connected in the drainage system of gardens；
S3, elastic component is arranged on the securing lever, then porous disc is placed in drainpipe, limit plate is finally passed through into fastener
Porous disc is located in drainpipe；
S4, drainpipe and cache box are interconnected by drainage conduit and water service pipe；
S5, backfill foundation pit.
In conclusion the invention has the following advantages:
1. porous disc is mounted in drainpipe by elastic component dynamic, realizes that the porous disc of blocking removes foreign matter automatically, avoid
Drainpipe causes the generation of gardens generation ponding problem due to the blocking of porous disc；
2. porous disc removes foreign matter without artificial, manual cleaning old is reduced, and the foreign matter accumulation on filter frame only needs one
Season even more long cleaning, porous disc itself also have the function of excluding foreign matter;
3. rainwater can also be collected by filtration in drainpipe, being pre-stored in rainwater in reservoir can be used in watering flowers, cleaning ground etc., improve
The utilization rate of rainwater avoids wasting unnecessary water resource.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of drainage mechanism；
Fig. 2 is the cross section view one of drainpipe and cache box；
Fig. 3 is the cross section view two of drainpipe and cache box；
Fig. 4 is the portion A shown in Fig. 3 enlarged diagram.
In figure: 1, drainpipe；2, cache box；3, porous disc；4, locating rod；5, waist-shaped hole；6, the first positioning table；7, second
Positioning table；8, elastic component；9, limit plate；10, drainage conduit；11, water service pipe；12, lid is abutted；13, ball bumps；14, circular arc is convex
Item；15, fastener；16, bar shaped apopore；17, cabinet door；18, filter frame；18-1, filter hole；19, handle；20, location hole；
21, it links up with；22, water filtration membrane；23, reservoir；24, water outlet；25, suction pump.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one, one kind can anticlogging gardens drainage mechanism, referring to Figures 1 and 2, including drainpipe 1 and be located at row
The cache box 2 of 1 side of water pipe.1 rectangular in cross-section shape of drainpipe, and internal two sides are recessed is respectively formed with 6 He of the first positioning table
Second positioning table 7, wherein the height of the first positioning table 6 is lower than the height of the second positioning table 7.It is fixed in the first positioning table 6 and second
Two locating rods 4 are vertically fixed on the platform 7 of position, while being arranged with a bullet as elastic component 8 in every locating rod 4
Spring.
Referring to Fig. 3 and Fig. 4, one piece of porous disc 3 is also equipped on drainpipe 1, porous disc 3 passes through 5 sets of waist-shaped hole of setting
Four locating rods 4 are located at, fix one piece of hollow limit after the pushing of porous disc 3 is plugged into locating rod 4, then in 1 upper end of drainpipe
Porous disc 3 is located in the lower section of limit plate 9 by position plate 9, and elastic component 8 is in compressive state at this time, by the elastic potential energy of elastic component 8,
Porous disc 3 is held out against in 9 lower end surface of limit plate.Each 8 upper end of elastic component is welded with one piece of abutting lid 12, in each abutting lid 12
The equal annular spread in upper end has ball bumps 13, so that abut lid 12 when abutting with porous disc 3, only ball bumps 13 and porous disc
3 abut, and while elastic component 8 is realized and abuts porous disc 3, can abut lid 12 in run-off the straight convenient for porous disc 3
On be subjected to displacement.
Referring to Fig. 2, which is fixed on drainpipe 1 by 9 surrounding of limit plate by the bolt as fastener 15,
Limit plate 9 can be after porous disc 3 be plugged into locating rod 4, then while artificial pushing porous disc 3, limit plate 9 is fixed to
On drainpipe 1, realizes and limit porous disc 3 in drainpipe 1.Porous disc 3 realizes the installation in drainpipe 1 by elastic component 8,
When the bar shaped apopore 16 opened up on porous disc 3 is plugged, the porous disc 3 is depressed into drainpipe 1 after rainwater generation ponding
Circular arc raised line 14 is arranged to reduce the frictional force between 1 inner wall of drainpipe in lower part, 3 side of porous disc, and smaller porous disc 3 pushes
Required hydraulic pressure.Herein it is to be noted that artificially stepping on porous disc 3 since drainpipe 1 is typically all to be arranged in roadside
Probability is little, thus the porous disc 3 of dynamic equilibrium does not have security threat for pedestrian, of course for safety is ensured, can limit
Several column reinforcing bars are welded in position 9 center of plate, will not influence the draining of drainpipe 1 in the case where ensuring installation security.
With continued reference to Fig. 2, drainpipe 1 begins with a drainage conduit 10, drainage conduit 10 and caching above the first positioning table 6
Case 2 is connected to, and when porous disc 3 is pushed by ponding, porous disc 3 is by after 4 Primary Location of the second positioning table 7 and locating rod, porous disc 3
The other end still pushed by ponding, 3 run-off the straight of porous disc when porous disc 3 is depressed on the first positioning table 6, while permeable
After the ponding of 3 upper end of plate is connected to drainage conduit 10, ponding is directly discharged into drainage conduit 10, after entering cache box 2, then is passed through
The water service pipe 11 of 2 bottom of cache box enters 1 lower end of drainpipe.It, can be to permeable while ponding enters drainage conduit 10
The foreign matter that plate 3 blocks is washed away, and then being drained into foreign matter in cache box 2 by the way, when the foreign matter processing on porous disc 3
When much the same, when ponding is able to enter the bar shaped apopore 16 opened up on porous disc 3,3 pressure of porous disc reduces,
Elastic component 8 resets the porous disc 3, and ponding is fed directly in drainpipe 1 by porous disc 3, while on porous disc 3
Foreign matter realizes automatic cleaning.
Referring to Fig. 3, cache box 2 is placed with one and has filter hole in the cavity between drainage conduit 10 and water service pipe 11
Filter frame 18, when foreign matter is drained into cache box 2 by ponding, foreign matter is collected into the filter frame 18, and ponding passes through filtering
Filter hole 18-1 on frame 18 enters cache box 2.18 upper end of filter frame is connected with a handle 19, and 19 both ends of handle respectively open up
One location hole 20, handle 19 are hung on the hook 21 being arranged in cache box 2 by the location hole 20.In 2 upper end of cache box
An openable cabinet door 17 is offered, convenient for one season of operator by the foreign body in filter frame 18, avoids filtering
Frame 18 also blocks.
Referring to Figure 1 and Figure 3, drainpipe 1 is also tiltedly installed with one group of water filtration membrane 22 in 11 lower end of water service pipe, in water filtration membrane 22
The drainpipe 1 of lower end connects in the external reservoir 23 dug, and a part of filtered ponding is drained into reservoir 23
It is interior, while a water outlet 24 is set in the drainpipe of filter membrane upper end 1, which is connected in entire gardens drainage system
In separately do his use.Ground is additionally provided with a suction pump 25, and suction pump 25 is connected in reservoir 23, by 23 internal water accumulation of reservoir
It is extracted, is used as watering flowers or cleaning ground, improves the utilization rate of water resource.
Embodiment two, it is a kind of can anticlogging gardens drainage mechanism construction method, comprising:
S1, a reservoir 23, and the foundation pit for placing drainpipe 1 and cache box 2 are dug out on ground；
S2,1 lower end of drainpipe is connected on reservoir 23, water outlet 24 is connected in the drainage system of gardens；
S3, elastic component 8 is set in locating rod 4, then porous disc 3 is placed in drainpipe 1, finally pass through limit plate 9
Porous disc 3 is located in drainpipe 1 by fastener 15；
S4, drainpipe 1 is interconnected with cache box 2 by drainage conduit 10 and water service pipe 11；
S5, backfill foundation pit.
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (10)
1. one kind can anticlogging gardens drainage mechanism, it is characterised in that: including with porous disc (3) drainpipe (1) and position
Cache box (2) in the drainpipe (1) side；
Locating rod (4) are arranged in the two sides of drainpipe (1) upper end, porous disc (3) both ends be provided be set in it is described fixed
Waist-shaped hole (5) on position bar (4)；
Drainpipe (1) both ends are separately provided for fixing the first positioning table (6) of the locating rod (4) and the second positioning
Platform (7), first positioning table (6) are highly lower than the height of second positioning table (7), first positioning table (6) and institute
State the second positioning table (7) be arranged on locating rod (4) upper end compression hold out against in the elastic component of the porous disc (3) lower end surface
(8), drainpipe (1) top is provided with the limit plate (9) for positioning the porous disc (3)；
The drainpipe (1) offers the drainage conduit being connected to the cache box (2) in the first positioning table (6) side
(10), cache box (2) lower end is connected to the drainpipe (1) by water service pipe (11).
2. one kind according to claim 1 can anticlogging gardens drainage mechanism, it is characterised in that: the elastic component (8)
Upper end is fixed with abutting lid (12), is provided with the ball bumps abutted with the porous disc (3) end face on the abutting lid (12)
(13)。
3. one kind according to claim 2 can anticlogging gardens drainage mechanism, it is characterised in that: the porous disc (3)
Peripheral wall is provided with the circular arc raised line (14) for being connected to the drainpipe (1) inner wall.
4. one kind according to claim 3 can anticlogging gardens drainage mechanism, it is characterised in that: the limit plate (9)
On be provided with fastener (15) for being located in the drainpipe (1) upper end.
5. one kind according to claim 4 can anticlogging gardens drainage mechanism, it is characterised in that: the porous disc (3)
On bar shaped apopore (16) are distributed with.
6. one kind according to claim 5 can anticlogging gardens drainage mechanism, it is characterised in that: the cache box (2)
Upper end is provided with cabinet door (17), and inside is removably connected with the filter frame (18) with filter hole (18-1), the filter frame
(18) it is located at the drainage conduit (10) lower end.
7. one kind according to claim 6 can anticlogging gardens drainage mechanism, it is characterised in that: the filter frame (18)
On be provided with handle (19), offered location hole (20) on the handle (19), cache box (2) inner wall is provided with for fixed
The hook (21) of position location hole (20).
8. one kind according to claim 7 can anticlogging gardens drainage mechanism, it is characterised in that: the drainpipe (1)
Lower end is provided with the water filtration membrane (22) being obliquely installed, and the drainpipe (1) for being located at water filtration membrane (22) lower end is connected to reservoir (23),
Drainpipe (1) positioned at water filtration membrane (22) upper end is provided with the water outlet (24) being connected to gardens drainage system.
9. one kind according to claim 8 can anticlogging gardens drainage mechanism, it is characterised in that: the reservoir (23)
On be provided with the suction pump (25) for being installed on ground.
10. one kind according to claim 9 can anticlogging gardens drainage mechanism construction method, it is characterised in that:
S1, a reservoir (23), and the foundation pit for placing drainpipe (1) and cache box (2) are dug out on ground；
S2, drainpipe (1) lower end is connected on reservoir (23), water outlet (24) is connected in the drainage system of gardens；
S3, elastic component (8) is set on locating rod (4), then porous disc (3) is placed in drainpipe (1), it finally will limit
Porous disc (3) is located in drainpipe (1) by plate (9) by fastener (15)；
S4, drainpipe (1) and cache box (2) is interconnected by drainage conduit (10) and water service pipe (11)；
S5, backfill foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108260.3A CN109763401B (en) | 2019-01-18 | 2019-01-18 | Anti-blocking garden drainage mechanism and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108260.3A CN109763401B (en) | 2019-01-18 | 2019-01-18 | Anti-blocking garden drainage mechanism and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109763401A true CN109763401A (en) | 2019-05-17 |
| CN109763401B CN109763401B (en) | 2020-12-15 |
Family
ID=66456159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910108260.3A Active CN109763401B (en) | 2019-01-18 | 2019-01-18 | Anti-blocking garden drainage mechanism and construction method thereof |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523237A (en) * | 2020-11-09 | 2021-03-19 | 深圳市罗湖建筑安装工程有限公司 | Drainage construction device for house building foundation and construction method thereof |
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| CN205421511U (en) * | 2016-03-18 | 2016-08-03 | 吴光周 | Automatic arrange well cover |
| CN206829330U (en) * | 2017-05-25 | 2018-01-02 | 广州园中园绿化景观有限公司 | Catch-basin |
| CN208088050U (en) * | 2018-02-02 | 2018-11-13 | 南通城欣市政工程有限公司 | A kind of Water Drainage of Expressway structure |
| KR20180124300A (en) * | 2017-05-11 | 2018-11-21 | 주식회사 바우컨설탄트 | Steel grating with automatic opening and closing by rain |
-
2019
- 2019-01-18 CN CN201910108260.3A patent/CN109763401B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205421511U (en) * | 2016-03-18 | 2016-08-03 | 吴光周 | Automatic arrange well cover |
| KR20180124300A (en) * | 2017-05-11 | 2018-11-21 | 주식회사 바우컨설탄트 | Steel grating with automatic opening and closing by rain |
| CN206829330U (en) * | 2017-05-25 | 2018-01-02 | 广州园中园绿化景观有限公司 | Catch-basin |
| CN208088050U (en) * | 2018-02-02 | 2018-11-13 | 南通城欣市政工程有限公司 | A kind of Water Drainage of Expressway structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523237A (en) * | 2020-11-09 | 2021-03-19 | 深圳市罗湖建筑安装工程有限公司 | Drainage construction device for house building foundation and construction method thereof |
| CN112523237B (en) * | 2020-11-09 | 2022-06-28 | 深圳市罗湖建筑安装工程有限公司 | Drainage construction device for house building foundation and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109763401B (en) | 2020-12-15 |
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