CN110747969B - Water grate not easy to block - Google Patents
Water grate not easy to block Download PDFInfo
- Publication number
- CN110747969B CN110747969B CN201911051221.0A CN201911051221A CN110747969B CN 110747969 B CN110747969 B CN 110747969B CN 201911051221 A CN201911051221 A CN 201911051221A CN 110747969 B CN110747969 B CN 110747969B
- Authority
- CN
- China
- Prior art keywords
- drainage
- water
- mounting plate
- grate
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a water grate not easy to block, which comprises a mounting plate and a drainage structure, wherein the mounting plate extends along the horizontal direction, the drainage structure comprises a plurality of drainage grooves which are formed below the mounting plate and are arranged at intervals, the notches of the drainage grooves are arranged upwards, a drainage space is formed between the outer side walls of two adjacent drainage grooves, drainage holes communicated with the drainage space are arranged on the inner side wall surfaces of the drainage grooves in a penetrating manner, a water passing hole is formed in the upper end surface of the mounting plate corresponding to the notches, water gathered above the water grate enters the drainage grooves through the water passing hole and is drained into the drainage space through the drainage holes, and the water is directly drained into a sewer relatively, so that the stress of sundries is reduced, the risk of blocking caused by the sundries adsorbed on the water grate is reduced, and the water grate has a better effect.
Description
Technical Field
The invention relates to the technical field of drainage, in particular to a water grate not easy to block.
Background
In urban construction and management, the problem of rainwater drainage is involved, and under the condition that the weather is normal, the cause of waterlogging is mainly two: one is unsmooth drainage and even backward flow caused by blockage of a drainage pipe network, the related range of the situation is generally large, and the influence range is large; another reason may be caused by the blockage of the water discharge grate, which may be more common, especially in heavy or heavy rains at night, and the accumulation of debris on the water grate, which may eventually cause the blockage of the water grate, the poor water discharge, or even the blockage and the inability to discharge water, may also cause unexpected loss and have a greater effect.
The problems that the grate is blocked are not solved fundamentally in the prior art, because the grate is blocked mainly because the grate is up and down, namely the water on the ground or the road surface has large water level difference with a drainage pipe network, a culvert box or a pipeline, the water flow speed is too high, so that sundries are stressed too high and directly deposited on the grate by water washing or pressed on the grate by the water flow, the sundries are sucked or attached to the grate, and the grate does not have the opportunity to float up from the water, so that the blockage of the grate is caused frequently even the blockage occurs, therefore, the structure of the grate needs to be optimized, and the blockage of the grate is reduced.
Disclosure of Invention
The invention mainly aims to provide a water grate which is not easy to block, and aims to optimize the structure of the existing water grate and reduce the blocking of the water grate.
In order to achieve the above object, the present invention provides a water grate which is not easy to block, comprising:
the mounting plate extends along the horizontal direction; and the number of the first and second groups,
the drainage structure comprises a plurality of drainage grooves which are formed below the mounting plate and arranged at intervals, wherein the notches of the drainage grooves are arranged upwards, a drainage space is formed between the outer side walls of two adjacent drainage grooves, and drainage holes communicated with the drainage space are arranged on the inner side wall surfaces of the drainage grooves in a penetrating manner;
wherein, the upper end surface of the mounting plate is provided with a water passing port corresponding to the notch;
the water gathered above the water grate enters the drainage groove through the water passing opening and is discharged into the drainage space through the drainage hole.
Optionally, a drain plate is arranged on the lower end surface of the mounting plate, and a part of the upper end surface of the drain plate is recessed to form the drain groove; and/or the presence of a gas in the gas,
the drain hole is positioned at the upper end of the side wall of the drain tank; and/or the presence of a gas in the gas,
the length of the drain hole is larger than the height of the drain hole.
Optionally, the drain hole is provided in plurality.
Optionally, the plurality of drain holes are respectively arranged on two opposite side walls of the drain tank.
Optionally, the mounting plate is arranged in a square shape, the drainage grooves extend along the length direction of the mounting plate, and the drainage grooves are arranged at intervals along the width direction of the mounting plate; and/or the presence of a gas in the gas,
the mounting panel is circular setting, with the extending direction of arbitrary diameter of mounting panel is first direction, to the perpendicular to in the horizontal plane the direction of first direction is the second direction, water drainage tank follows the first direction extends the setting, and is a plurality of water drainage tank follows the second direction is the interval setting.
Optionally, the drainage structure further comprises a communicating body, wherein a communicating cavity is formed in the communicating body, and the communicating cavity is used for communicating the plurality of drainage grooves.
Optionally, the mounting plate is arranged in a square shape, the drainage grooves extend along the length direction of the mounting plate, and the drainage grooves are arranged at intervals along the width direction of the mounting plate;
the communicating body is located the one end of water drainage tank, the intercommunication chamber orientation the lateral wall face of water drainage tank corresponds a plurality of water drainage tank runs through and is equipped with a plurality of intercommunication mouths for it is a plurality of to communicate respectively water drainage tank.
Optionally, the number of the communicating bodies is two, and the communicating bodies are respectively arranged at two ends of the drainage groove.
Optionally, the mounting plate is arranged in a circle, the extending direction of any diameter of the mounting plate is a first direction, the direction perpendicular to the first direction in a horizontal plane is a second direction, and the plurality of drainage grooves are arranged at intervals along the second direction;
the communicating body is the annular setting, and encloses to locate a plurality ofly the outside of water drainage tank, the intercommunication chamber is the annular setting, the inside wall in intercommunication chamber corresponds arbitrary one water drainage tank's both ends are equallyd divide and are equipped with two intercommunication mouths respectively for it is a plurality of to communicate respectively water drainage tank.
Optionally, a filter screen is arranged at least one of the communication ports.
In the technical scheme provided by the invention, the drainage structure comprises a plurality of drainage grooves which are formed below the mounting plate and arranged at intervals, the inner side wall surfaces of the drainage grooves are provided with drainage holes communicated with the drainage space in a penetrating manner, water gathered above the water grate enters the drainage grooves through the water passing port and is discharged into the drainage space through the drainage holes, and the water is directly discharged into a sewer relatively to the water, so that the stress of sundries is reduced, the risk of blockage caused by the fact that the sundries are adsorbed on the water grate is reduced, and the drainage structure has a good effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a first embodiment of a non-clogging water grate in accordance with the present invention;
FIG. 2 is a schematic top view of the non-clogging water grate of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken along C-C in FIG. 2;
FIG. 6 is a schematic cross-sectional view taken along D-D in FIG. 2;
FIG. 7 is a schematic perspective view of a second embodiment of a non-clogging water grate in accordance with the present invention;
FIG. 8 is a top view of the non-clogging water grate of FIG. 7;
FIG. 9 is a schematic cross-sectional view taken along E-E of FIG. 8;
FIG. 10 is a schematic cross-sectional view taken along F-F in FIG. 8;
fig. 11 is a schematic sectional view taken along G-G in fig. 8.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In urban construction and management, the problem of rainwater drainage is involved, and under the condition that the weather is normal, the cause of waterlogging is mainly two: one is unsmooth drainage and even backward flow caused by blockage of a drainage pipe network, the related range of the situation is generally large, and the influence range is large; another reason may be caused by the blockage of the water discharge grate, which may be more common, especially in heavy or heavy rains at night, and the accumulation of debris on the water grate, which may eventually cause the blockage of the water grate, the poor water discharge, or even the blockage and the inability to discharge water, may also cause unexpected loss and have a greater effect.
The problems that the grate is blocked are not solved fundamentally in the prior art, because the grate is blocked mainly because the grate is up and down, namely the water on the ground or the road surface has large water level difference with a drainage pipe network, a culvert box or a pipeline, the water flow speed is too high, so that sundries are stressed too high and directly deposited on the grate by water washing or pressed on the grate by the water flow, the sundries are sucked or attached to the grate, and the grate does not have the opportunity to float up from the water, so that the blockage of the grate is caused frequently even the blockage occurs, therefore, the structure of the grate needs to be optimized, and the blockage of the grate is reduced.
The invention provides a water grate which is not easy to block, and figures 1 to 11 are all embodiments of the water grate which is not easy to block.
Referring to fig. 1 to 3, the non-blocking water grate 100 includes a mounting plate 1 and a drainage structure 2, the mounting plate 1 extends horizontally, the drainage structure 2 includes a plurality of drainage channels 21 formed below the mounting plate 1 at intervals, the openings of the drainage channels 21 are arranged upward, a drainage space 22 is formed between the outer side walls of two adjacent drainage channels 21, a drainage hole 23 communicated with the drainage space 22 is formed through the inner side wall surface of the drainage channel 21, wherein a water passing opening 11 is formed through the upper end surface of the mounting plate 1 corresponding to the openings, and water gathered above the water grate enters the drainage channel 21 through the water passing opening 11 and is drained into the drainage space 22 through the drainage hole 23.
In the technical scheme provided by the invention, the drainage structure 2 comprises a plurality of drainage grooves 21 which are formed below the mounting plate 1 and are arranged at intervals, drainage holes 23 which are communicated with the drainage space 22 are arranged on the inner side wall surface of each drainage groove 21 in a penetrating manner, water gathered above the water grate enters the drainage grooves 21 through the water passing holes 11 and is discharged into the drainage space 22 through the drainage holes 23, and the water is directly discharged into a sewer relatively to the sewer, so that the stress of sundries is reduced, the risk of blockage caused by the fact that the sundries are adsorbed on the water grate is reduced, and a better effect is achieved.
It should be noted that the drainage space 22 is connected to a sewer, and the rainwater is drained into the drainage space 22, i.e. enters the sewer to be collected.
The invention does not limit the concrete formation of the drainage channel 21 of the water grate 100 which is not easy to block, and the drainage channel 21 can be directly formed on the mounting plate 1, specifically, a drainage plate is arranged on the lower end surface of the mounting plate 1, the partial position of the upper end surface of the drainage plate is concave to form the drainage channel 21, the drainage plate is arranged and combined with the mounting plate 1 to form the water grate 100 which is not easy to block, and the drainage channel 21 is convenient to form, in addition, the mounting plate 1 and the drainage channel 21 can be integrally formed by one-time pouring, can be integrally formed by multiple times of pouring, and can be bonded together by an industrial adhesive after being respectively formed.
The drainage hole 23 is mainly used for draining water in the drainage channel 21 into the drainage space 22, the drainage hole 23 can be arranged at any position on the side wall surface of the drainage channel 21, and in order to increase a drainage path and further reduce the absorption of the drainage on impurities, in the embodiment of the invention, referring to fig. 3 and 4, the drainage hole 23 is arranged at the upper end of the side wall of the drainage channel 21, so that the blocking risk of the water grate 100 which is not easy to block is further reduced, and a better effect is achieved.
In addition, in order to obtain a better drainage effect, the length of the drainage hole 23 is greater than the height of the drainage hole 23, so that the drainage area is ensured under the condition that the whole size of the water grate 100 which is not easy to block is not excessively large, and a better effect is achieved.
In the above arrangement of the drain plate, the arrangement position of the drain hole 23 and the shape and size of the drain hole 23 may be selected alternatively or simultaneously.
Further, in order to obtain a better drainage effect, the plurality of drainage holes 23 are provided, so that the drainage area is increased, further, the plurality of drainage holes 23 are respectively arranged on two opposite side walls of the drainage channel 21, and both the two opposite side walls of the drainage channel 21 can drain water, so that the drainage of the drainage channel 21 is smoother.
In the embodiment of the present invention, the shape of the water grate 100 not limited to be easily blocked may be, for example, a square, specifically a rectangle, a square, or a circle, specifically, referring to fig. 1, the mounting plate 1 is arranged in a square shape, the drain grooves 21 are arranged to extend along the length direction of the mounting plate 1, and a plurality of the drain grooves 21 are arranged at intervals along the width direction of the mounting plate 1, and/or, referring to fig. 7, the mounting plate 1 is arranged in a circle, the extending direction of any diameter of the mounting plate 1 is a first direction, the direction perpendicular to the first direction in the horizontal plane is a second direction, the drain grooves 21 are arranged to extend along the first direction, and a plurality of the drain grooves 21 are arranged at intervals along the second direction, which are both embodiments of the present invention, with such an arrangement, the application range of the water grate 100 which is not easy to block is expanded.
In the drainage process, there may be a situation that part of the drainage channels 21 is blocked or a part of the channel sections of the drainage channels 21 is blocked, specifically, in the embodiment of the present invention, the drainage structure 2 further includes the communicating body 3, a communicating cavity 31 is formed in the communicating body 3, the communicating cavity 31 is used for communicating the plurality of drainage channels 21, and the arrangement is such that the plurality of drainage channels 21 are communicated with each other, so that even if part of the drainage channels 21 is blocked or a part of the channel sections of the drainage channels 21 is blocked, smooth drainage can be achieved.
In the embodiment where the mounting plate 1 is square, referring to fig. 4 to 6, the communicating body 3 is located at one end of the drainage channel 21, and a plurality of communicating openings 32 are formed through the side wall surface of the communicating cavity 31 facing the drainage channel 21 corresponding to the plurality of drainage channels 21 for respectively communicating the plurality of drainage channels 21, so that the plurality of drainage channels 21 are conveniently communicated.
Further, the communicating bodies 3 are arranged in two and are respectively arranged at two ends of the drainage groove 21, so that the communicating area is increased.
In the embodiment that the mounting plate 1 is circular, please refer to fig. 8 to 11, the communicating body 3 is annularly disposed and surrounds the outer sides of the plurality of drainage slots 21, the communicating cavity 31 is annularly disposed, two communicating ports 32 are respectively disposed on the inner side wall of the communicating cavity 31 corresponding to two ends of any one of the drainage slots 21, so as to respectively communicate the plurality of drainage slots 21, and thus, the communicating of the plurality of drainage slots 21 is facilitated.
Furthermore, in order to prevent the communication chamber 31 from being blocked, at least one communication port 32 is provided with a filter screen, preferably, each communication port 32 is provided with the filter screen for filtering impurities, so that the risk of blocking the water grate 100 which is not easy to block is further reduced, and a better effect is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A non-clogging water grate, comprising:
the mounting plate extends along the horizontal direction; and the number of the first and second groups,
the drainage structure comprises a plurality of drainage grooves which are formed below the mounting plate and arranged at intervals, wherein the notches of the drainage grooves are arranged upwards, a drainage space is formed between the outer side walls of two adjacent drainage grooves, and drainage holes communicated with the drainage space are arranged on the inner side wall surfaces of the drainage grooves in a penetrating manner;
wherein, the upper end surface of the mounting plate is provided with a water passing port corresponding to the notch;
the water gathered above the water grate enters the drainage groove through the water passing opening and is discharged into the drainage space through the drainage hole.
2. The non-clogging water grate of claim 1 wherein the mounting plate has a drain plate on a lower end surface thereof, the drain plate having an upper end surface partially recessed to form the drain channel; and/or the presence of a gas in the gas,
the drain hole is positioned at the upper end of the side wall of the drain tank; and/or the presence of a gas in the gas,
the length of the drain hole is larger than the height of the drain hole.
3. The non-clogging water grate of claim 1 wherein a plurality of said water discharge holes are provided.
4. The non-clogging water grate of claim 3 wherein a plurality of said drainage holes are provided on opposite side walls of said drainage channel.
5. The easy-to-clog water grate as defined in claim 1, wherein said mounting plate is provided in a square shape, said water discharge grooves are provided to extend in a longitudinal direction of said mounting plate, and a plurality of said water discharge grooves are provided at intervals in a width direction of said mounting plate; or,
the mounting panel is circular setting, with the extending direction of arbitrary diameter of mounting panel is first direction, to the perpendicular to in the horizontal plane the direction of first direction is the second direction, water drainage tank follows the first direction extends the setting, and is a plurality of water drainage tank follows the second direction is the interval setting.
6. The non-clogging water grate of claim 1 wherein the drainage structure further comprises a communicating member, the communicating member defining a communicating chamber therein, the communicating chamber communicating the plurality of drainage channels.
7. The easy-to-clog water grate as defined in claim 6, wherein said mounting plate is provided in a square shape, said water discharge grooves are provided to extend in a longitudinal direction of said mounting plate, and a plurality of said water discharge grooves are provided at intervals in a width direction of said mounting plate;
the communicating body is located the one end of water drainage tank, the intercommunication chamber orientation the lateral wall face of water drainage tank corresponds a plurality of water drainage tank runs through and is equipped with a plurality of intercommunication mouths for it is a plurality of to communicate respectively water drainage tank.
8. The non-clogging water grate of claim 7 wherein there are two said connecting members and said connecting members are disposed at opposite ends of said drainage channel.
9. The easy-to-clog water grate as set forth in claim 6, wherein said mounting plate is arranged in a circular shape with an extending direction of any diameter of said mounting plate taken as a first direction and a direction perpendicular to said first direction in a horizontal plane taken as a second direction, and a plurality of said water discharge grooves are arranged at intervals in said second direction;
the communicating body is the annular setting, and encloses to locate a plurality ofly the outside of water drainage tank, the intercommunication chamber is the annular setting, the inside wall in intercommunication chamber corresponds arbitrary one water drainage tank's both ends are equallyd divide and are equipped with two intercommunication mouths respectively for it is a plurality of to communicate respectively water drainage tank.
10. A non-clogging water grate as claimed in claim 7 or claim 9 wherein at least one of said communication openings is provided with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051221.0A CN110747969B (en) | 2019-10-31 | 2019-10-31 | Water grate not easy to block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051221.0A CN110747969B (en) | 2019-10-31 | 2019-10-31 | Water grate not easy to block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110747969A CN110747969A (en) | 2020-02-04 |
| CN110747969B true CN110747969B (en) | 2020-10-23 |
Family
ID=69281436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051221.0A Active CN110747969B (en) | 2019-10-31 | 2019-10-31 | Water grate not easy to block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110747969B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050056178A (en) * | 2005-05-24 | 2005-06-14 | 이형수 | Grating assembly |
| CN207314499U (en) * | 2017-09-21 | 2018-05-04 | 西安市政设计研究院有限公司 | A kind of municipal drainage with rubbish storage and choke preventing function is combed |
| CN108331133B (en) * | 2017-12-29 | 2020-01-10 | 广东省勃诚建设有限公司 | Road anti-blocking drainage device and use method thereof |
| CN108005160A (en) * | 2018-01-11 | 2018-05-08 | 西安建筑科技大学 | A kind of anti-rubbish rain collector |
| CN208884675U (en) * | 2018-08-09 | 2019-05-21 | 上海之景市政建设规划设计有限公司 | A kind of gutter |
| CN109098262A (en) * | 2018-08-31 | 2018-12-28 | 嘉善凯达水泥构件有限公司 | A kind of catch-basin that drainability is strong |
| CN109706814B (en) * | 2018-12-28 | 2021-01-05 | 温州建源建设有限公司 | Water accumulation preventing road |
-
2019
- 2019-10-31 CN CN201911051221.0A patent/CN110747969B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110747969A (en) | 2020-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11471796B1 (en) | Filtration system for a water drainage system | |
| CN110747969B (en) | Water grate not easy to block | |
| US20240309626A1 (en) | Catch basin system and corresponding water drainage system | |
| CN110747979B (en) | Water grate not easy to block | |
| US10829952B1 (en) | Pool drain with water diversion features | |
| CN209413160U (en) | A kind of Rainwater collection system | |
| CN210856830U (en) | Drainage type concrete road | |
| CN215518224U (en) | Distributing type highway drainage structures | |
| CN208670421U (en) | A kind of novel water stopping joint | |
| KR101156379B1 (en) | Grating structure with multidirectional drainage and easily construction | |
| CN217711032U (en) | Rain sewage reposition of redundant personnel structure | |
| JPH08311804A (en) | Block for widening road, and widening structure which uses the block and serves also as water channel | |
| JP2807178B2 (en) | Drainage collecting pipe | |
| CN218264127U (en) | Drainage pipe fitting with water blocking surface | |
| CN209211200U (en) | A kind of pavement of road gutter of side wall infiltration | |
| CN219080547U (en) | Composite slow-release miniature overflow gully grating | |
| CN213896591U (en) | Afforestation brick | |
| CN210194837U (en) | Drainage ditch and drainage ditch assembly thereof | |
| JP2762042B2 (en) | Drainage device on retaining wall | |
| CN109750798A (en) | A kind of Rainwater collection system | |
| CN215889859U (en) | Drainage lid and drainage structures | |
| CN211621546U (en) | Slope semi-open type drain pipe | |
| CN216276127U (en) | Frame construction and assembled board house thereof | |
| CN215716135U (en) | Drainage structures is prevented to passageway wall body outside | |
| CN214459325U (en) | Novel cement pavement brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |