CN112081220A - Drainage filter equipment along with rainfall regulation outlet - Google Patents
Drainage filter equipment along with rainfall regulation outlet Download PDFInfo
- Publication number
- CN112081220A CN112081220A CN202010986372.1A CN202010986372A CN112081220A CN 112081220 A CN112081220 A CN 112081220A CN 202010986372 A CN202010986372 A CN 202010986372A CN 112081220 A CN112081220 A CN 112081220A
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- China
- Prior art keywords
- wall
- fixedly connected
- cavity
- spring
- chamber
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- 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.)
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Classifications
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- 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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- 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
- E03F2005/0412—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface
- E03F2005/0415—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with means for adjusting their position with respect to the surrounding surface for horizontal position adjustment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a drainage filtering device capable of adjusting a drainage outlet along with rainfall, which comprises a box body, wherein a detection cavity with an upward opening is arranged in the box body, three filter cavities with upward openings are arranged in the box body, a drainage mechanism for controlling the opening and closing of the drainage holes is arranged in the box body, the rear inner wall of the filter cavity is fixedly connected with a telescopic plate with a built-in spring, a compression cavity and a moving cavity with forward openings are arranged in the rear inner wall of the filter cavity, a moving plate is connected in the moving cavity in a sliding way, the device has simple structure and convenient use, can adjust the size of the water outlet according to the rainfall, prevents the road surface ponding caused by the unsmooth drainage when the rainfall is larger, and then influence the vehicle and normally travel, in addition, can also filter the rainwater, prevent that road surface debris from blockking up the sewer, and the device can be airtight at ordinary times, prevents that the sewer from reflecting the environment that the smell influences the road.
Description
Technical Field
The invention relates to the field of drainage equipment, in particular to a drainage filtering device capable of adjusting a drainage outlet along with rainfall.
Background
The drainage facilities of the existing roads are old and infirm, and the drainage ports cannot be automatically adjusted, so that the condition of surface water accumulation often occurs when rainfall is frequent and the rainfall is too large, the surface water accumulation can influence the normal running of vehicles on the road surface, the vehicles can slide on the liquid level, the traffic safety is extremely adverse, and in addition, the normal traveling of pedestrians can be influenced due to more accumulated water;
in addition, when the weather is hot, the sewer often gives off flavor, and the environment of the road is influenced.
Disclosure of Invention
The invention aims to provide a drainage filtering device capable of adjusting a drainage outlet along with rainfall, so as to overcome the situations of surface water accumulation and the like.
The invention is realized by the following technical scheme.
The invention relates to a drainage filtering device for adjusting a drainage outlet along with rainfall, which comprises a box body, wherein a detection cavity with an upward opening is arranged in the box body, three filter cavities with upward openings are arranged in the box body, a drainage mechanism for controlling the opening and closing of a drainage hole is arranged in the box body, a telescopic plate with a built-in spring is fixedly connected to the rear inner wall of the filter cavity, a compression cavity with a forward opening and a moving cavity are arranged in the rear inner wall of the filter cavity, a moving plate is slidably connected in the moving cavity, a moving spring is fixedly connected to the rear end of the moving plate, the rear end of the moving spring is fixedly connected with the rear inner wall of the moving cavity, a compression rod with a cleaning head at the front end is slidably connected in the compression cavity, a compression spring is fixedly connected to the rear end of the compression rod, the rear end of the compression spring is fixedly connected with the, the indoor rain-proof water purifier is characterized in that a communicating water outlet cavity is formed in the lower inner wall of the filter cavity, the left inner wall of the filter cavity is fixedly connected with a communicating pipeline of the detection cavity, the lower end of the water outlet cavity is fixedly connected with an external drain pipe, a communicating sliding cavity is formed in the box body, a sliding plate is slidably connected in the sliding cavity, a sliding spring is fixedly connected at the left end of the sliding plate, the left end of the sliding spring is fixedly connected with the left inner wall of the sliding cavity, a cleaning cavity with a backward opening is formed in the front inner wall of the filter cavity, a driving belt is fixedly connected with the lower inner wall of the cleaning cavity, a detection mechanism for detecting rainfall is arranged in the box body, a transmission mechanism for transmission is arranged in the box body, and a control structure.
Further, be equipped with the transmission chamber in the box, inner wall fixedly connected with drive motor behind the transmission chamber, drive motor power is connected with the driving shaft, two driving pulley of fixedly connected with on the driving shaft, inner wall rotates behind the transmission chamber and is connected with two driven shafts, be equipped with the recess on the driven shaft, equal fixedly connected with on the driven shaft with driving pulley passes through belt drive's driven pulley, left fixedly connected with line wheel and cam on the driven shaft, cam front end fixedly connected with fixed block, be equipped with the ring channel on the fixed block, sliding connection has the ball in the ring channel, fixedly connected with long rope on the ball, long rope pierces through transmission chamber left side inner wall and compression chamber back inner wall with compression rod fixed connection.
Further, the control structure comprises two pushing cavities which are positioned in the left inner wall and the right inner wall of the transmission cavity and are communicated with the transmission cavity, a driven rod is connected in the left pushing cavity in a sliding manner, a driving rod is connected in the right pushing cavity in a sliding manner, a pushing spring is fixedly connected at one end of the driven rod and one end of the driving rod, which is far away from the transmission motor, the other end of the pushing spring is fixedly connected with the inner wall of the pushing cavity, the left inner wall of the pushing cavity is fixedly connected with a connecting pipe communicated with the right pushing cavity, a shaft sleeve is fixedly connected on the driven shaft on the right, a lead screw is connected in the shaft sleeve in a key manner, a limiting cavity with a backward opening is arranged in the front inner wall of the transmission cavity, a limiting block is connected in the limiting cavity in a sliding manner, a limiting spring, the fine wire penetrates through the front inner wall of the limiting cavity and the right inner wall of the pushing cavity and is fixedly connected with the driving rod.
Further, the detection mechanism comprises a guide rail positioned in the right inner wall of the detection cavity, a buoyancy block is connected in the guide rail in a sliding manner, an extension spring is fixedly connected at the upper end of the buoyancy block, the upper end of the extension spring is fixedly connected with the upper inner wall of the guide rail, a string is fixedly connected at the lower end of the buoyancy block, the string penetrates through the lower inner wall of the guide rail and the rear inner wall of the moving cavity and is fixedly connected with the moving plate, a positioning cavity with a leftward opening is arranged in the right inner wall of the guide rail, a positioning block is connected in the positioning cavity in a sliding manner, a positioning spring is fixedly connected at the right end of the positioning block, the right end of the positioning spring is fixedly connected with the right inner wall of the positioning cavity, a pneumatic pipe communicated with the sliding cavity is fixedly connected with the right inner wall of the positioning cavity, a, the inner wall of the rear stretching cavity and the left inner wall of the transmission cavity are fixedly connected with the wire wheel.
Furthermore, the elasticity of the limiting spring is greater than the elasticity of the pushing spring on the right, and the elasticity of the pushing spring on the right is greater than the elasticity of the pushing spring on the left.
The invention has the beneficial effects that: the device simple structure, convenient to use can adjust the size in outlet according to rainfall, prevents that the rainfall is unobstructed when great that the drainage from causing surface ponding, and then influences the vehicle and normally travel, in addition, can also filter the rainwater, prevents that road surface debris from blockking up the sewer, and the device can be airtight at ordinary times, prevents that the anti-smell of sewer from influencing the environment of road.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at D-D in FIG. 4 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The drainage filtering device for adjusting the drainage outlet along with rainfall, which is described in conjunction with fig. 1-5, comprises a box body 11, wherein a detection chamber 16 with an upward opening is arranged in the box body 11, three filter chambers 25 with upward openings are arranged in the box body 11, a drainage mechanism 68 for controlling the opening and closing of the drainage hole is arranged in the box body 11, an expansion plate 23 with a built-in spring is fixedly connected to the rear inner wall of the filter chamber 25, a compression chamber 34 with a forward opening and a moving chamber 38 are arranged in the rear inner wall of the filter chamber 25, a moving plate 24 is slidably connected to the moving chamber 38, a moving spring 39 is fixedly connected to the rear end of the moving plate 24, the rear end of the moving spring 39 is fixedly connected to the rear inner wall of the moving chamber 38, a compression rod 37 with a cleaning head at the front end is slidably connected to the compression chamber 34, a compression spring 36 is fixedly connected to the rear end of the compression rod, the lower inner wall of the filter cavity 25 is fixedly connected with a filter block 26 for filtering, the lower inner wall of the filter cavity 25 is internally provided with a water outlet cavity 27 communicated with the filter cavity 25, the left inner wall of the filter cavity 25 is fixedly connected with a pipeline 13 communicated with the detection cavity 16, the lower end of the water outlet cavity 27 is fixedly connected with a drain pipe 28 communicated with the outside, the box body 11 is internally provided with a sliding cavity 30 communicated with the drain pipe 28, the sliding cavity 30 is internally and slidably connected with a sliding plate 29, the left end of the sliding plate 29 is fixedly connected with a sliding spring 31, the left end of the sliding spring 31 is fixedly connected with the left inner wall of the sliding cavity 30, the front inner wall of the filter cavity 25 is internally provided with a cleaning cavity 40 with a backward opening, the lower inner wall of the cleaning cavity 40 is fixedly connected with a transmission belt 41, the box body 11 is internally provided with a detection mechanism, a control structure 70 for resetting the detection mechanism 67 is provided in the case 11.
Advantageously, a transmission cavity 45 is arranged in the box body 11, a transmission motor 46 is fixedly connected with the rear inner wall of the transmission cavity 45, the transmission motor 46 is connected with a driving shaft 48 in a power mode, two driving belt wheels 47 are fixedly connected to the driving shaft 48, the rear inner wall of the transmission cavity 45 is rotatably connected with two driven shafts 49, the driven shafts 49 are provided with grooves 50, the driven shafts 49 are fixedly connected with driven belt wheels 51 which are in belt transmission with the driving belt wheels 47, the left driven shaft 49 is fixedly connected with a wire wheel 71 and a cam 61, the front end of the cam 61 is fixedly connected with a fixed block 59, the fixed block 59 is provided with an annular groove 58, a round ball 60 is connected in the annular groove 58 in a sliding way, the long rope 35 is fixedly connected on the round ball 60, the long rope 35 penetrates through the left inner wall of the transmission cavity 45 and the rear inner wall of the compression cavity 34 to be fixedly connected with the compression rod 37.
Beneficially, the control structure 70 includes two pushing cavities 62 located in the left and right inner walls of the transmission cavity 45 and communicating with the transmission cavity 45, a driven rod 65 is slidably connected in the left pushing cavity 62, a driving rod 66 is slidably connected in the right pushing cavity 62, a pushing spring 64 is fixedly connected to each of the ends of the driven rod 65 and the driving rod 66 far away from the transmission motor 46, the other end of the pushing spring 64 is fixedly connected to the inner wall of the pushing cavity 62, a connecting pipe 63 communicating with the right pushing cavity 62 is fixedly connected to the left inner wall of the left pushing cavity 62, a shaft sleeve 52 is fixedly connected to the right driven shaft 49, a lead screw 53 is connected to the shaft sleeve 52 through an internal key, a limiting cavity 55 with a backward opening is arranged in the front inner wall of the transmission cavity 45, a limiting block 54 is slidably connected in the limiting cavity 55, and a limiting spring 56 and a fine wire 57, the front end of the limit spring 56 is fixedly connected with the front inner wall of the limit cavity 55, and the thin wire 57 penetrates through the front inner wall of the limit cavity 55 and the right inner wall of the push cavity 62 to be fixedly connected with the driving rod 66.
Beneficially, the detection mechanism 67 includes a guide rail 18 located in the right inner wall of the detection cavity 16, a buoyancy block 17 is slidably connected in the guide rail 18, an extension spring 19 is fixedly connected to the upper end of the buoyancy block 17, the upper end of the extension spring 19 is fixedly connected to the upper inner wall of the guide rail 18, a string 33 is fixedly connected to the lower end of the buoyancy block 17, the string 33 penetrates through the lower inner wall of the guide rail 18 and the rear inner wall of the moving cavity 38 and is fixedly connected to the moving plate 24, a positioning cavity 20 with a leftward opening is arranged in the right inner wall of the guide rail 18, a positioning block 21 is slidably connected in the positioning cavity 20, a positioning spring 22 is fixedly connected to the right end of the positioning block 21, the right end of the positioning spring 22 is fixedly connected to the right inner wall of the positioning cavity 20, a pneumatic tube 32 communicated with the sliding cavity 30 is fixedly connected to the right inner wall of the, a stretching cavity 43 with a forward opening is formed in the rear inner wall of the detection cavity 16, a baffle 14 is connected in the stretching cavity 43 in a sliding mode, a pull rope 42 and a stretching spring 44 are fixedly connected to the rear end of the baffle 14, the rear end of the stretching spring 44 is fixedly connected with the rear inner wall of the stretching cavity 43, and the pull rope 42 penetrates through the rear inner wall of the stretching cavity 43 and the left inner wall of the transmission cavity 45 and is fixedly connected with the wire wheel 71.
Advantageously, the elastic force of the limit spring 56 is greater than the elastic force of the right push spring 64, and the elastic force of the right push spring 64 is greater than the elastic force of the left push spring 64.
In the initial state, the right urging spring 64, the compression spring 36 and the positioning spring 22 are in a compressed state.
The using method comprises the following steps: when it begins to rain, rainwater falls into the detection cavity 16, and along with the rise of water amount, the buoyancy block 17 is driven to move upwards, so as to tighten the string 33, so as to drive the moving plate 24 to move backwards, so as to compress the expansion plate 23, so as to enable the filter cavity 25 to be communicated with the outside, accumulated water falls into the water outlet cavity 27 through the filter cavity 25, and when the buoyancy block 17 moves upwards, the positioning block 21 moves leftwards under the action of the positioning spring 22, so as to drive the sliding plate 29 to move leftwards, so as to enable the rainwater in the water outlet cavity 27 to flow outwards through the water drain pipe 28, and when water is accumulated in the detection cavity 16, the detection block 15 detects the presence of water, so as to start the transmission motor 46, the transmission motor 46 drives the driving shaft 48 to rotate, so as to drive the driving belt wheel 47 to rotate, so as to drive the right driven belt wheel 51 to rotate, so as to drive, thereby driving the screw 53 to rotate and move forward, after working for a period of time, the screw 53 pushes the stopper 54 to move forward, thereby loosening the thin wire 57, then the driving rod 66 moves leftward under the action of the right pushing spring 64, thereby fixing the position of the right driven shaft 49, when the driving rod 66 moves leftward, the driven rod 65 is driven to move leftward, thereby disengaging the driven rod 65 from the left groove 50, then the driving pulley 47 drives the left driven pulley 51 to move leftward, thereby driving the left driven shaft 49 to rotate, thereby driving the cam 61 and the pulley 71 to rotate, the pulley 71 rotates to tighten the pull rope 42, thereby driving the baffle 14 to move backward, thereby communicating the detection cavity 16 with the water outlet cavity 27, thereby resetting the detection mechanism 67, resetting the buoyancy block 17 and the positioning block 21, and thus resetting the movable plates 23 and 24;
meanwhile, the cam 61 rotates to drive the fixing block 59 to rotate, so that the long rope 35 is intermittently loosened, the compression rod 37 is intermittently moved forwards under the action of the compression spring 36, impurities on the filter block 26 are pushed, the impurities are conveyed to a centralized processing position along with the transmission of the transmission belt 41, the filter block 26 is cleaned, the impurities are prevented from blocking the filter block 26 and affecting drainage, the transmission motor 46 is reversely rotated at the moment, the driving belt wheel 47 and the driven shaft 49 are driven to reversely rotate, the baffle 14 is reset, the screw rod 53 is reset, the limiting block 54 is reset under the action of the limiting spring 56 at the moment, the driven rod 65 and the driving rod 66 are both reset at the moment, and the detection drainage is completed at one time.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a along with rainfall regulation drainage filter equipment in outlet, includes the box, its characterized in that: a detection cavity with an upward opening is arranged in the box body, three filter cavities with upward openings are arranged in the box body, a drainage mechanism for controlling the opening and closing of the drain holes is arranged in the box body, a telescopic plate with a built-in spring is fixedly connected to the rear inner wall of the filter cavity, a compression cavity with a forward opening and a moving cavity are arranged in the rear inner wall of the filter cavity, a moving plate is connected in the moving cavity in a sliding manner, a moving spring is fixedly connected to the rear end of the moving plate, the rear end of the moving spring is fixedly connected with the rear inner wall of the moving cavity, a compression rod with a cleaning head at the front end is connected in the compression cavity in a sliding manner, a compression spring is fixedly connected to the rear end of the compression rod, the rear end of the compression spring is fixedly connected with the rear inner wall of the compression cavity, a filter block for filtering, the utility model discloses a rain-proof water purifier, including filter chamber, water outlet cavity, slide chamber, slide spring, box, inner wall, the left side of filter chamber fixedly connected with intercommunication the pipeline in detection chamber, water outlet cavity lower extreme fixedly connected with intercommunication outside drain pipe, be equipped with the intercommunication in the box the slip chamber of drain pipe, slip intracavity sliding connection has the sliding plate, slide plate left end fixedly connected with slide spring, slide spring left end with the left side of slide chamber inner wall fixed connection, be equipped with the clearance chamber that the opening is backward in the inner wall before the filter chamber, inner wall fixedly connected with drive belt under the clearance chamber, be equipped with the detection mechanism who is used for detecting rainfall in the box, be equipped with in the box and be used.
2. A drain filtering device for adjusting a drain opening in response to rainfall as claimed in claim 1, wherein: the internal transmission chamber that is equipped with of box, inner wall fixedly connected with drive motor behind the transmission chamber, drive motor power is connected with the driving shaft, two driving pulley of fixedly connected with on the driving shaft, the inner wall rotates and is connected with two driven shafts behind the transmission chamber, be equipped with the recess on the driven shaft, equal fixedly connected with on the driven shaft with driving pulley passes through belt drive's driven pulleys, the left fixedly connected with line wheel and cam on the driven shaft, cam front end fixedly connected with fixed block, be equipped with the ring channel on the fixed block, sliding connection has the ball in the ring channel, fixedly connected with long rope on the ball, long rope pierces through transmission chamber left side inner wall and compression chamber back inner wall with compression rod fixed connection.
3. A drain filtering device for adjusting a drain opening in response to rainfall as claimed in claim 1, wherein: control structure is including being located just intercommunication in the inner wall about the transmission chamber two promotion chambeies in transmission chamber, the left promote intracavity sliding connection have the driven lever, it is right-hand to promote intracavity sliding connection have the driving lever, the driven lever with the driving lever is kept away from the equal fixedly connected with of one end of driving motor promotes the spring, promote the spring other end with promote intracavity wall fixed connection, the left it is right-hand to promote intracavity left side inner wall fixedly connected with intercommunication the connecting pipe in promotion chamber, it is right-hand fixedly connected with axle sleeve on the driven shaft, the axle sleeve internal key is connected with the lead screw, be equipped with the spacing chamber of opening backward in the inner wall before the transmission chamber, spacing intracavity sliding connection has the stopper, stopper front end fixedly connected with spacing spring and fine rule, spacing spring front end with inner wall fixed connection before the spacing chamber, the fine rule pierces through inner wall and right-hand before the spacing chamber the promotion intracavity right side inner wall with And (4) fixing connection.
4. A drain filtering device for adjusting a drain opening in response to rainfall as claimed in claim 1, wherein: the detection mechanism comprises a guide rail positioned in the right inner wall of the detection cavity, a buoyancy block is connected in the guide rail in a sliding manner, an extension spring is fixedly connected at the upper end of the buoyancy block, the upper end of the extension spring is fixedly connected with the upper inner wall of the guide rail, a string is fixedly connected at the lower end of the buoyancy block, the string penetrates through the lower inner wall of the guide rail and the rear inner wall of the moving cavity and is fixedly connected with the moving plate, a positioning cavity with a left opening is arranged in the right inner wall of the guide rail, a positioning block is connected in the positioning cavity in a sliding manner, a positioning spring is fixedly connected at the right end of the positioning block, the right end of the positioning spring is fixedly connected with the right inner wall of the positioning cavity, a pneumatic pipe communicated with the sliding cavity is fixedly connected with the right inner wall of the detection cavity, the inner wall of the rear stretching cavity and the left inner wall of the transmission cavity are fixedly connected with the wire wheel.
5. A drain filtering device for adjusting a drain opening in response to rainfall as claimed in claim 1, wherein: the elasticity of the limiting spring is greater than the elasticity of the pushing spring on the right side, and the elasticity of the pushing spring on the right side is greater than the elasticity of the pushing spring on the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986372.1A CN112081220A (en) | 2020-09-18 | 2020-09-18 | Drainage filter equipment along with rainfall regulation outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986372.1A CN112081220A (en) | 2020-09-18 | 2020-09-18 | Drainage filter equipment along with rainfall regulation outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112081220A true CN112081220A (en) | 2020-12-15 |
Family
ID=73738194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010986372.1A Withdrawn CN112081220A (en) | 2020-09-18 | 2020-09-18 | Drainage filter equipment along with rainfall regulation outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112081220A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593609A (en) * | 2021-01-08 | 2021-04-02 | 南京夏之雨商贸有限公司 | Kitchen equipment capable of preventing sewage drain pipe from being blocked |
| CN116289394A (en) * | 2023-02-13 | 2023-06-23 | 交通运输部科学研究院 | Road cutting side slope water storage type ecological drainage ditch and paving method |
-
2020
- 2020-09-18 CN CN202010986372.1A patent/CN112081220A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593609A (en) * | 2021-01-08 | 2021-04-02 | 南京夏之雨商贸有限公司 | Kitchen equipment capable of preventing sewage drain pipe from being blocked |
| CN116289394A (en) * | 2023-02-13 | 2023-06-23 | 交通运输部科学研究院 | Road cutting side slope water storage type ecological drainage ditch and paving method |
| CN116289394B (en) * | 2023-02-13 | 2024-03-19 | 交通运输部科学研究院 | Road cutting side slope water storage type ecological drainage ditch and paving method |
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Application publication date: 20201215 |