CN211646652U - Environment-friendly urban construction drainage device - Google Patents

Environment-friendly urban construction drainage device Download PDF

Info

Publication number
CN211646652U
CN211646652U CN201922052928.5U CN201922052928U CN211646652U CN 211646652 U CN211646652 U CN 211646652U CN 201922052928 U CN201922052928 U CN 201922052928U CN 211646652 U CN211646652 U CN 211646652U
Authority
CN
China
Prior art keywords
filter screen
drainage box
sliding
drainage
sleeve
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
Application number
CN201922052928.5U
Other languages
Chinese (zh)
Inventor
蒋春容
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Wanlv Plastic Products Co Ltd
Original Assignee
Huizhou Wanlv Plastic Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huizhou Wanlv Plastic Products Co Ltd filed Critical Huizhou Wanlv Plastic Products Co Ltd
Priority to CN201922052928.5U priority Critical patent/CN211646652U/en
Application granted granted Critical
Publication of CN211646652U publication Critical patent/CN211646652U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sewage (AREA)

Abstract

The utility model discloses an environmental protection urban construction drainage device, including the drainage box, drainage box top is equipped with the well lid, the inside fixed plate that is equipped with of drainage box, fixed plate quantity is established to two, two the fixed plate is established respectively at drainage box inside both sides position, two be equipped with first filter screen between the fixed plate. The utility model discloses a set up first filter screen and second filter screen, when meetting great discharge, the rainwater can shunt the discharge along the second filter screen, debris that carry in the big and rainwater of discharge are when more, move on the third filter screen on the surface of drainage box, so carried out further filtration reposition of redundant personnel to the rainwater, effectually prevent that debris on the first filter screen from piling up too much drainage not smooth and cause the problem of ponding, and can remind the staff in time and the pertinence to clear up debris on the first filter screen, staff's work efficiency has been improved, more environmental protection is high-efficient.

Description

Environment-friendly urban construction drainage device
Technical Field
The utility model relates to a drainage technical field is built to the city, concretely relates to environmental protection drainage device is built to city.
Background
The drainage cover on the road surface is through seting up the space so that rivers flow into drainage cover and flow to subaerial drain way in, however in present urban construction, the drain way often appears the large amount of ponding phenomena in road surface when the rainy day, causes one of the reasons that this phenomenon is exactly that the drain way blocks up.
Traditional drainage device is discharged rivers from the drainage lid on the drain, and drainage channel is single, so the too big drain cover mesh can cause the drain to block up, and drain cover mesh undersize can restrict the drainage, finally can all cause the problem of surface gathered water.
Therefore, it is necessary to invent an environmental protection urban construction drainage device to solve the above problems.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an environmental protection urban construction drainage device, through setting up first filter screen and second filter screen, when meetting great discharge, the rainwater can shunt the discharge along the second filter screen, debris that carry in the big and rainwater of discharge are when more, first filter screen downstream drives and moves on the third filter screen on the surface of drainage box, so carried out further filtration reposition of redundant personnel to the rainwater, effectually prevent that debris on the first filter screen from piling up too much drainage not smooth and cause the problem of ponding, and can remind the staff in time and the pertinence to clear up the debris on the first filter screen, staff's work efficiency has been improved, environmental protection is more high-efficient, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: an environment-friendly urban construction drainage device comprises a drainage box body, wherein a well cover is arranged at the top end of the drainage box body, a water inlet hole is formed in the surface of the top end of the well cover, fixing plates are arranged in the drainage box body, the number of the fixing plates is two, the two fixing plates are respectively arranged at two sides of the inner part of the drainage box body, a first filter screen is arranged between the two fixing plates, two sides of the first filter screen are fixedly connected with the fixing plates, two ends of each fixing plate are respectively provided with a sleeve, the top end of each sleeve is fixedly connected with the drainage box body, two sides of each first filter screen are respectively provided with a second filter screen, two sides of each second filter screen are respectively fixedly connected with the sleeves, a first chute is formed in one side surface of each sleeve, a second chute is formed in the other side surface of each sleeve, a connecting block is slidably, the utility model discloses a drainage box, including first spout, slide rail, first rack, first slide groove, first slide rail, first slide groove inboard sliding connection have first rack, the sleeve inboard is equipped with the slider, slider one side and first rack fixed connection, slider opposite side and connecting block fixed connection, the one side that the fixed plate was kept away from to the sleeve is equipped with the slide rail, slide rail one side and drainage box internal wall fixed connection, the slide rail opposite side is equipped with the second rack, slide rail inboard and second rack sliding connection, second rack top fixedly connected with push pedal, be equipped with the gear between second rack and the first rack, gear one side and first rack toothing, the one side and the second rack toothing that first rack was kept away from to the gear, both sides be equipped.
Preferably, the top surface of the drainage box body is provided with two third sliding grooves, and the two third sliding grooves are respectively arranged at two sides of the top end of the drainage box body.
Preferably, a top plate is arranged on the inner side of the third sliding groove, a third filter screen is fixedly connected to the bottom end of the top plate, and a bottom plate is fixedly connected to the bottom end of the third filter screen.
Preferably, the outer side of the third filter screen is attached to the inner wall of the third sliding groove, and the bottom plate is arranged right above the push plate.
Preferably, first filter screen is established under the well lid, the one side that first filter screen was kept away from to the fixed plate is laminated with the inner wall of drainage box.
Preferably, the width of first filter screen equals with the length of second filter screen, first filter screen both sides all with the laminating of second filter screen.
Preferably, the gear is fixedly sleeved on the outer side of the rotating shaft, and two ends of the rotating shaft are rotatably connected with the inner wall of the drainage box body through bearings.
Preferably, the inner side of the sleeve is connected with the sliding block in a sliding mode, a spring is arranged at the bottom end of the sliding block, and the spring is arranged inside the sleeve.
In the technical scheme, the utility model provides a technological effect and advantage:
through the arrangement of the first filter screen and the second filter screen, when large water flow is encountered, the first filter screen is impacted by rainwater to move downwards to increase the drainage area of the second filter screen, rainwater can be shunted and discharged along the second filter screen, the drainage efficiency of the device is greatly improved, the problem of ponding caused by untimely drainage due to overlarge water flow is effectively prevented, when the water flow is large and sundries carried in rainwater are more, the first filter screen moves downwards and drives the third filter screen to move onto the surface of the drainage box body, the rainwater enters the drainage box body after being filtered by the third filter screen to be discharged, further filtration and shunting are carried out on the rainwater, the problem of ponding caused by excessive accumulation of sundries on the first filter screen and unsmooth drainage can be effectively prevented, a worker can be reminded to clean the sundries on the first filter screen in time, and can be enabled to carry out targeted cleaning on the sundries in the drainage box body, the workload of workers is reduced, the working efficiency of the workers is improved, and the environment is protected more efficiently.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top cross-sectional view of the present invention;
fig. 3 is a side view of a second filter according to the present invention;
FIG. 4 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of the portion B of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure of the portion C of FIG. 2 according to the present invention;
description of reference numerals:
1 drainage box, 2 well lids, 3 fixed plates, 4 first filter screens, 5 sleeves, 6 second filter screens, 7 first chutes, 8 second chutes, 9 connecting blocks, 10 first racks, 11 slide rails, 12 second racks, 13 gears, 14 rotating shafts, 15 sliders, 16 springs, 17 push plates, 18 third chutes, 19 top plates, 20 third filter screens and 21 bottom plates.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
The utility model provides an environment-friendly urban construction drainage device as shown in figures 1-6, which comprises a drainage box body 1, wherein the top end of the drainage box body 1 is provided with a well cover 2, the top end surface of the well cover 2 is provided with a water inlet, the interior of the drainage box body 1 is provided with two fixing plates 3, the number of the fixing plates 3 is two, the two fixing plates 3 are respectively arranged at two sides of the interior of the drainage box body 1, a first filter screen 4 is arranged between the two fixing plates 3, two sides of the first filter screen 4 are fixedly connected with the fixing plates 3, two ends of the fixing plates 3 are respectively provided with a sleeve 5, the top end of the sleeve 5 is fixedly connected with the drainage box body 1, two sides of the first filter screen 4 are respectively provided with a second filter screen 6, two sides of the second filter screen 6 are respectively fixedly connected with the sleeve 5, one side surface of the sleeve 5 is provided with a first chute 7, the inner side of the second chute 8 is connected with a connecting block 9 in a sliding manner, one side, far away from the sleeve 5, of the connecting block 9 is fixedly connected with the fixed plate 3, the inner side of the first chute 7 is connected with a first rack 10 in a sliding manner, the inner side of the sleeve 5 is provided with a sliding block 15, one side of the sliding block 15 is fixedly connected with the first rack 10, the other side of the sliding block 15 is fixedly connected with the connecting block 9, one side, far away from the fixed plate 3, of the sleeve 5 is provided with a sliding rail 11, one side of the sliding rail 11 is fixedly connected with the inner wall of the drainage box body 1, the other side of the sliding rail 11 is provided with a second rack 12, the inner side of the sliding rail 11 is connected with the second rack 12 in a sliding manner, the top end of the second rack 12 is fixedly connected with a push plate 17, a gear 13 is arranged between the second rack 12 and, a rotating shaft 14 is arranged between the gears 13 on the two sides;
further, in the above technical solution, the top end surface of the drainage box body 1 is provided with three sliding grooves 18, the number of the third sliding grooves 18 is two, and the two third sliding grooves 18 are respectively arranged at two side positions of the top end of the drainage box body 1;
further, in the above technical solution, a top plate 19 is disposed inside the third sliding groove 18, a third filter screen 20 is fixedly connected to the bottom end of the top plate 19, a bottom plate 21 is fixedly connected to the bottom end of the third filter screen 20, and the top plate 19 and the third filter screen 20 can slide onto the top surface of the drainage box 1 along the third sliding groove 18;
further, in the above technical solution, the outer side of the third filter screen 20 is attached to the inner wall of the third sliding groove 18, the bottom plate 21 is arranged right above the push plate 17, and the push plate 17 can push the bottom plate 21 to move upward;
further, in the above technical solution, the first filter screen 4 is arranged right below the well lid 2, one side of the fixing plate 3 away from the first filter screen 4 is attached to the inner wall of the drainage box 1, and water flows through the drainage hole on the well lid 2, passes through the first filter screen 4, is filtered, and is discharged;
further, in the above technical solution, the width of the first filter screen 4 is equal to the length of the second filter screen 6, both sides of the first filter screen 4 are attached to the second filter screen 6, and when the first filter screen 4 moves downward, the second filter screen 6 can shunt and discharge rainwater;
further, in the above technical scheme, the gear 13 is fixedly sleeved outside the rotating shaft 14, and both ends of the rotating shaft 14 are rotatably connected with the inner wall of the drainage box body 1 through bearings;
further, in the above technical solution, the inner side of the sleeve 5 is slidably connected with a slider 15, the bottom end of the slider 15 is provided with a spring 16, the spring 16 is arranged inside the sleeve 5, and when water is not drained, the spring 16 supports the slider 15, so that the slider 15 is kept at the upper end position inside the sleeve 5;
the implementation mode is specifically as follows: when the device is used in practice, the device can be arranged at two sides of a road of an urban building, when water is drained in rainy days, water flow can flow into the drainage box body 1 through the water inlet hole on the well cover 2, then sundries in the rain water are filtered through the first filter screen 4, and then the rain water is drained from the drainage box body 1 to an underground pipeline, when the water flow is larger, the water flow rushes into the first filter screen 4 through the water outlet hole on the well cover 2, the first filter screen 4 is impacted by the water flow to drive the fixing plate 3 to move downwards, the fixing plate 3 drives the sliding block 15 to slide downwards in the sleeve 5 through the connecting block 9, when the first filter screen 4 moves downwards, the area leaked by the second filter screens 6 at two sides of the first filter screen 4 is gradually increased, the rain water with larger flow can be shunted and drained along the second filter screens 6, the drainage efficiency of the device is greatly improved, and the problem of ponding caused by untimely drainage due to overlarge, when the water flow is large and the rainwater carries more sundries, the first filter screen 4 drives the fixed plate 3 to move downwards under the impact force of the rainwater and the gravity extruded by the sundries, the fixed plate 3 drives the slide block 15 to move downwards through the connecting block 9, the slide block 15 drives the first chute 7 to move downwards, when the first chute 7 moves downwards, the first chute 7 drives the gear 13 to rotate, the gear 13 drives the second rack 12 to slide upwards on the slide rail 11, when the second rack 12 slides upwards, the push plate 17 on the second rack 12 pushes the bottom plate 21, the bottom plate 21 pushes the top plate 19 to move upwards through the third filter screen 20, the top plate 19 is pushed out to the surface of the drainage box 1, at the moment, the third filter screen 20 is exposed on the surface of the drainage box 1, the rainwater is filtered by the third filter screen 20 and then enters the drainage box 1 to be discharged, and the rainwater is further filtered and shunted, the structure has the advantages that through the arrangement of the first filter screen 4 and the second filter screen 6, when large water flow is met, the first filter screen 4 is impacted by rainwater to move downwards to increase the drainage area of the second filter screen 6, rainwater can be discharged in a shunting manner along the second filter screen 6, the drainage efficiency of the device is greatly improved, the problem of ponding caused by the fact that water is not drained timely due to too much water accumulated on the first filter screen 4 is effectively solved, and when the water flow is large and sundries are carried in the rainwater, first filter screen 4 moves down and drives third filter screen 20 and move up on the surface of drainage box 1, the rainwater gets into drainage box 1 internal discharge after third filter screen 20 filters, so further filtration reposition of redundant personnel has been carried out to the rainwater, effectually prevent that debris on first filter screen 4 from piling up too much drainage not smooth and cause the problem of ponding, and can remind the staff in time to clear up debris on first filter screen 4, can make the staff carry out the pertinence clearance to debris in drainage box 1, staff's work load has not only been reduced, staff's work efficiency has still been improved, environmental protection is high-efficient more, this embodiment has specifically solved drainage device's among the prior art drainage channel singleness, cause the problem of jam or drainage not smooth easily.
This practical theory of operation:
referring to the attached drawings 1-6 of the specification, the device is arranged at two sides of a road of an urban construction, when water is drained in rainy days, water flow can flow into a drainage box body 1 through a water inlet hole on a well cover 2, then sundries in the rainwater are filtered through a first filter screen 4, the rainwater is drained from the drainage box body 1 to an underground pipeline, when the water flow is large, the water flow rushes into a first filter screen 4 through a water outlet hole on the well cover 2, the first filter screen 4 is impacted by the water flow to drive a fixing plate 3 to move downwards, the fixing plate 3 drives a sliding block 15 to slide downwards in a sleeve 5 through a connecting block 9, when the first filter screen 4 moves downwards, the area leaked by second filter screens 6 at two sides of the first filter screen 4 is gradually increased, the rainwater with large flow can be shunted and drained by the second filter screens 6, when the water flow is large and the rainwater carries more sundries, the first filter screen 4 is under the impact force of the rainwater and the gravity extrusion of the sundries, the first filter screen 4 drives the fixed plate 3 to move downwards, the fixed plate 3 drives the sliding block 15 to move downwards through the connecting block 9, the sliding block 15 drives the first sliding groove 7 to move downwards, when the first sliding groove 7 moves downwards, the first sliding groove 7 drives the gear 13 to rotate, and then the gear 13 drives the second rack 12 to slide upwards on the sliding rail 11, when the second rack 12 slides upwards, the push plate 17 on the second rack 12 pushes the bottom plate 21, the bottom plate 21 pushes the top plate 19 to move upwards through the third filter screen 20, and further the top plate 19 is ejected above the surface of the drainage box 1, at the moment, the third filter screen 20 is exposed above the surface of the drainage box 1, rainwater is filtered by the third filter screen 20 and then enters the drainage box 1 to be discharged, so that rainwater is further filtered and shunted, and the problem that the accumulated water is caused by excessive sundries on the first filter screen 4 due to unsmooth drainage is prevented, and the top plate 19 protrudes out of the surface of the drainage box body 1, so that a worker can be reminded of cleaning sundries on the first filter screen 4 in time, and the worker can clean the sundries in the drainage box body 1 in a targeted manner.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (8)

1. The utility model provides an environmental protection urban construction drainage device, includes drainage box (1), its characterized in that: the drainage box body (1) is provided with a well cover (2) at the top end, the surface of the top end of the well cover (2) is provided with a water inlet hole, the drainage box body (1) is internally provided with two fixing plates (3), the two fixing plates (3) are respectively arranged at two sides of the interior of the drainage box body (1), a first filter screen (4) is arranged between the two fixing plates (3), two sides of the first filter screen (4) are fixedly connected with the fixing plates (3), two ends of each fixing plate (3) are respectively provided with a sleeve (5), the top end of each sleeve (5) is fixedly connected with the drainage box body (1), two sides of the first filter screen (4) are respectively provided with a second filter screen (6), two sides of the second filter screen (6) are respectively fixedly connected with the sleeves (5), one side surface of each sleeve (5) is provided with a first chute (7), a second sliding groove (8) is formed in the surface of the other side of the sleeve (5), a connecting block (9) is connected to the inner side of the second sliding groove (8) in a sliding manner, one side, far away from the sleeve (5), of the connecting block (9) is fixedly connected with the fixed plate (3), a first rack (10) is connected to the inner side of the first sliding groove (7) in a sliding manner, a sliding block (15) is arranged on the inner side of the sleeve (5), one side of the sliding block (15) is fixedly connected with the first rack (10), the other side of the sliding block (15) is fixedly connected with the connecting block (9), a sliding rail (11) is arranged on one side, far away from the fixed plate (3), of the sleeve (5), one side of the sliding rail (11) is fixedly connected with the inner wall of the drainage box body (1), a second rack (12) is arranged on the other side of the sliding rail (11), the inner side of the sliding, be equipped with gear (13) between second rack (12) and first rack (10), gear (13) one side and first rack (10) meshing, the one side and the second rack (12) meshing of first rack (10) are kept away from in gear (13), both sides be equipped with pivot (14) between gear (13).
2. The environmental-friendly urban construction drainage device according to claim 1, wherein: the top end surface of the drainage box body (1) is provided with three sliding grooves (18), the number of the third sliding grooves (18) is two, and the two third sliding grooves (18) are respectively arranged at two sides of the top end of the drainage box body (1).
3. An environmentally friendly urban construction drainage device according to claim 2, wherein: third spout (18) inboard is equipped with roof (19), roof (19) bottom fixedly connected with third filter screen (20), third filter screen (20) bottom fixedly connected with bottom plate (21).
4. An environmentally friendly urban construction drainage device according to claim 3, wherein: the outer side of the third filter screen (20) is attached to the inner wall of the third sliding groove (18), and the bottom plate (21) is arranged right above the push plate (17).
5. The environmental-friendly urban construction drainage device according to claim 1, wherein: first filter screen (4) are established under well lid (2), one side that first filter screen (4) were kept away from in fixed plate (3) is laminated with the inner wall of drainage box (1).
6. The environmental-friendly urban construction drainage device according to claim 1, wherein: the width of first filter screen (4) equals with the length of second filter screen (6), first filter screen (4) both sides all laminate with second filter screen (6).
7. The environmental-friendly urban construction drainage device according to claim 1, wherein: the gear (13) is fixedly sleeved on the outer side of the rotating shaft (14), and two ends of the rotating shaft (14) are rotatably connected with the inner wall of the drainage box body (1) through bearings.
8. The environmental-friendly urban construction drainage device according to claim 1, wherein: the inner side of the sleeve (5) is connected with the sliding block (15) in a sliding mode, a spring (16) is arranged at the bottom end of the sliding block (15), and the spring (16) is arranged inside the sleeve (5).
CN201922052928.5U 2019-11-25 2019-11-25 Environment-friendly urban construction drainage device Active CN211646652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922052928.5U CN211646652U (en) 2019-11-25 2019-11-25 Environment-friendly urban construction drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922052928.5U CN211646652U (en) 2019-11-25 2019-11-25 Environment-friendly urban construction drainage device

Publications (1)

Publication Number Publication Date
CN211646652U true CN211646652U (en) 2020-10-09

Family

ID=72693091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922052928.5U Active CN211646652U (en) 2019-11-25 2019-11-25 Environment-friendly urban construction drainage device

Country Status (1)

Country Link
CN (1) CN211646652U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753473A (en) * 2022-03-24 2022-07-15 中海华祥建设发展有限公司 Town road drainage system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753473A (en) * 2022-03-24 2022-07-15 中海华祥建设发展有限公司 Town road drainage system

Similar Documents

Publication Publication Date Title
CN205712442U (en) A kind of rainwater recovery device
CN206205126U (en) A kind of rainwater recycle screened well
CN111877460B (en) Environment-friendly building roof rainwater is collected, is purified and cyclic utilization structure
CN111980912B (en) Portable wisdom pump station
CN113026913A (en) Municipal road drainage system for sponge city
CN213389593U (en) A pavement for sponge city town road
CN211646652U (en) Environment-friendly urban construction drainage device
CN111485620A (en) Safety device for drainage of waterlogging and filtering of sundries of urban road water well
CN109706814A (en) A kind of anti-ponding road
CN214402064U (en) Prevent municipal administration road of peculiar smell with drainage structures
CN111851876A (en) Water resource storage device with rainwater recycling and filtering mechanism for urban attic
CN108343800B (en) Hydraulic engineering is with L type pipeline that has clearance function
CN212405413U (en) Quick drainage device of town road
CN211713918U (en) Hydraulic drive channel blocks dirty automatic collection device
CN212984016U (en) Environmental protection lavatory rainwater collection device
CN110241721B (en) Environment-friendly bridge easy to discharge sewage
CN215715868U (en) Sponge city rainwater shunting discharging equipment
CN202767219U (en) Square three-dimensional rainwater grate
CN205822328U (en) A kind of making use of rain and flood device
CN215210309U (en) Prevent stifled town road drainage structures
CN215253141U (en) Can carry out municipal building drainage device who retrieves to rainwater
CN220377485U (en) Drainage structures is used in municipal works construction
CN219638892U (en) Waterproof high-efficient drainage structures in tunnel
CN219196218U (en) Rain-draining anti-blocking device for municipal engineering
CN216948177U (en) Environment-friendly sewage suction device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant