CN215253141U - Can carry out municipal building drainage device who retrieves to rainwater - Google Patents
Can carry out municipal building drainage device who retrieves to rainwater Download PDFInfo
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- CN215253141U CN215253141U CN202022626576.2U CN202022626576U CN215253141U CN 215253141 U CN215253141 U CN 215253141U CN 202022626576 U CN202022626576 U CN 202022626576U CN 215253141 U CN215253141 U CN 215253141U
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- fixedly connected
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- filter screen
- storage box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The utility model discloses a municipal building drainage device capable of recycling rainwater, belonging to the technical field of drainage devices, comprising a shell, a water storage box and a water inlet, wherein the upper surface of the shell is provided with the water inlet, the upper surface of the shell is provided with a water inlet hole corresponding to the water inlet, the left and right side surfaces of the inner wall of the shell are fixedly connected with a triangular block, a filter screen is arranged inside the shell and is arranged at the lower side of the triangular block, and the lower side of the filter screen is provided with a cleaning mechanism; the utility model discloses in, through setting up mutually supporting of wire, leading wheel, first seal cover, second seal cover, baffle, catch groove, spring, first slider and positioning mechanism for the rainwater can't be in entering into the casing, when the water storage box is collected fully, can the automatic shutdown to the collection of rainwater, thereby avoided overflowing of water effectively to influence drainage device and retrieve the rainwater function variation condition, avoided the waste on the resource.
Description
Technical Field
The utility model belongs to the technical field of drainage device, especially, relate to a municipal building drainage device that can retrieve the rainwater.
Background
The municipal buildings refer to public buildings which are built by government funding, and generally refer to various administrative buildings and buildings for serving people in a planning area.
When municipal building drainage device among the prior art retrieves its rainwater, need filter its rainwater, long-time filtering operation back, the filter screen takes place to block up easily, at this moment need the workman manually open its drainage device and clear up its filter screen, complex operation, workman's working strength has been increaseed, and municipal building drainage device among the prior art is after long-time recovery rainwater work, inside water storage box can be collected and is full, at this moment the work of retrieving the rainwater, the condition that overflows will take place to the rainwater in the water storage box, thereby influence the function of drainage device drainage, can lead to the function variation that drainage device retrieved the rainwater simultaneously, thereby waste on the resource has been caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the filter screen is easy to block and the water storage box is full and is also recycled in the prior art, the municipal building drainage device capable of recycling rainwater is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a municipal building drainage device capable of recycling rainwater comprises a shell, a water storage box and a water inlet, wherein the upper surface of the shell is provided with the water inlet, the upper surface of the shell corresponds to the water inlet and is provided with a water inlet hole, the left side surface and the right side surface of the inner wall of the shell are both fixedly connected with a triangular block, a filter screen is arranged inside the shell and is arranged at the lower side of the triangular block, a cleaning mechanism is arranged at the lower side of the filter screen, the left side surface of the shell is communicated with a bent pipe, the other end of the bent pipe penetrates through the left side surface of the shell and the left side surface of the triangular block, the back surface of the inner wall of the shell is clamped with a first bearing, a first rotating shaft is sleeved in the first bearing, the other end of the first rotating shaft penetrates through a third sealing sleeve clamped on the front surface of the shell and is clamped with a first driving wheel, a waterwheel is clamped on the outer surface of the first rotating shaft, and the upper surface of the bent pipe is provided with a limiting hole, the waterwheel is arranged at the position-limiting hole, the upper surface of the waterwheel is attached to the lower surface of the filter screen, the right side of the waterwheel is provided with a cleaning mechanism, a water storage box is arranged in the shell, a positioning mechanism is arranged on the lower side of the water storage box, first sliding grooves are formed in the left side surface and the right side surface of the inner wall of the shell, first sliding blocks are fixedly connected to the left side surface and the right side surface of the water storage box, and the first sliding blocks are connected to the first sliding grooves in a sliding mode.
As a further description of the above technical solution:
positioning mechanism includes the bottom plate of fixed connection at the water storage box lower surface, and the lower surface of bottom plate articulates through setting up two first round pin axles has two connecting strips, and the other end of two connecting strips all articulates through setting up the second round pin axle has two sliding sleeves, shells inner wall's lower surface is seted up flutedly, is provided with the slide bar in the recess, and the both ends difference fixed connection of slide bar is at the left and right sides face of recess inner wall, and the equal sliding connection of two sliding sleeves is at the surface of slide bar, the surface cover of slide bar is equipped with first spring, and the opposite face of fixed connection at two sliding sleeves is distinguished at the both ends of first spring.
As a further description of the above technical solution:
the cleaning mechanism comprises a second bearing which is clamped on the back face of the inner wall of the shell, a second rotating shaft is sleeved in the second bearing, the other end of the second rotating shaft penetrates through a fourth sealing sleeve which is clamped on the front face of the shell, and is clamped with a second driving wheel, the second driving wheel and the first driving wheel are connected through the mutual transmission of the crawler belts, a repeated lead screw is clamped on the outer surface of the second rotating shaft, the repeated lead screw is arranged on the lower side of the filter screen, the outer surface of the repeated lead screw is in threaded connection with a threaded cap, the right side face of the threaded cap is fixedly connected with a fixing sleeve, the fixing sleeve is sleeved on the outer surface of the fixing rod, the two ends of the fixing rod are fixedly connected with the front side face and the rear side face of the inner wall of the shell respectively, the upper surface of the threaded cap is fixedly connected with a cleaning plate, a hairbrush is arranged on the upper surface of the cleaning plate, and the hairbrush is tightly attached to the lower surface of the filter screen.
As a further description of the above technical solution:
the cavity that communicates with first spout is seted up to shells inner wall's right flank, the lower surface of cavity inner wall is provided with the leading wheel, the last fixed surface of first slider is connected with the wire, and the wire setting is on the leading wheel, the other end of wire passes the first seal cover and the fixedly connected with baffle of joint at income water hole inner wall right flank joint, the retaining groove has been seted up to the left surface of income water hole inner wall, and the second spout has all been seted up to the upper and lower both sides face of retaining groove inner wall, the equal fixedly connected with second slider of the upper and lower both sides face of baffle, second slider sliding connection is in the second spout, the surface cover of baffle is equipped with the second seal cover, and the joint of second seal cover is at the left surface of income water hole inner wall.
As a further description of the above technical solution:
the left side fixedly connected with stopper of casing, the locating hole has been seted up to the right flank of stopper, the left side fixedly connected with second spring of locating hole inner wall, and the other end of second spring runs through the left surface and the fixed connection of casing at the left surface of baffle.
As a further description of the above technical solution:
the front of the water storage box is communicated with a hose, and the other end of the hose penetrates through the front of the inner wall of the shell.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through setting up the wire, the leading wheel, first seal cover, the second seal cover, a baffle, the catch basin, a spring, mutually supporting of first slider and positioning mechanism, make the rainwater back in getting into the casing, can enter into the water storage box, when the inside rainwater after the purification of water storage box is too much, can press and move the water storage box and move down, thereby it moves down to drive the wire, and then it shifts out from the catch basin to drive the baffle, make its baffle restriction in the income water hole, make the rainwater can't be in entering into the casing, when the water storage box is collected fully, can the collection of automatic shutdown to the rainwater, thereby the spill over of having avoided water effectively influences drainage device and retrieves the rainwater function variation condition, the waste on the resource has been avoided.
2. In the utility model, through the mutual cooperation of the waterwheel, the elbow and the cleaning mechanism, when the filter screen is blocked, rainwater can accumulate on the filter screen for a long time, when the water level reaches a certain degree, the rainwater can flow into the waterwheel through the elbow, so as to drive the waterwheel to start rotating, so that the filter screen can be knocked when the waterwheel rotates, so that the filter screen can be vibrated, and the blockage on the filter screen can not adsorb the filter screen any more, meanwhile, under the action of the first driving wheel and the second driving wheel, the second rotating shaft starts rotating, at the moment, the lead screw starts rotating repeatedly, the screw cap moves back and forth under the action of the fixed rod and the fixed sleeve, so as to drive the cleaning plate and the brush to clean the filter screen, when the filter screen is blocked, the manual work of workers for cleaning the filter screen is not needed, and the work of workers is convenient, the working strength of workers is reduced.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
fig. 4 is an enlarged schematic structural view of the position B of the present invention;
illustration of the drawings: 1. a housing; 2. a water inlet; 3. a water storage box; 4. bending the pipe; 5. a positioning mechanism; 51. a slide bar; 52. a sliding sleeve; 53. a first spring; 54. a first pin shaft; 55. a second pin shaft; 6. a cleaning mechanism; 61. a second transmission wheel; 62. a second rotating shaft; 63. fixing the rod; 64. repeatedly leading the screw; 65. a threaded cap; 66. cleaning the plate; 67. a brush; 7. a limiting block; 8. a second spring; 10. a first slider; 11. a first rotating shaft; 12. water wheel; 13. a first drive pulley; 14. a wire; 15. a triangular block; 16. a guide wheel; 17. a first seal cartridge; 18. a filter screen; 19. a hose; 20. a second seal cartridge; 21. a baffle plate; 22. and a second slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a municipal building drainage device capable of recycling rainwater comprises a shell 1, a water storage box 3 and a water inlet 2, wherein the upper surface of the shell 1 is provided with the water inlet 2, the upper surface of the shell 1 corresponds to the water inlet 2 and is provided with a water inlet hole, the left side surface and the right side surface of the inner wall of the shell 1 are fixedly connected with a triangular block 15, a filter screen 18 is arranged inside the shell 1, the filter screen 18 is arranged at the lower side of the triangular block 15, a cleaning mechanism 6 is arranged at the lower side of the filter screen 18, the left side surface of the shell 1 is communicated with a bent pipe 4, the other end of the bent pipe 4 penetrates through the left side surface of the shell 1 and the left side surface of the triangular block 15, the back surface of the inner wall of the shell 1 is clamped with a first bearing, a first rotating shaft 11 is sleeved in the first bearing, and the other end of the first rotating shaft 11 penetrates through a third sealing sleeve clamped on the front surface of the shell 1 and is clamped with a first driving wheel 13, the outer surface of the first rotating shaft 11 is clamped with a waterwheel 12, the upper surface of the elbow 4 is provided with a limiting hole, the waterwheel 12 is arranged at the limiting hole, the upper surface of the waterwheel 12 is attached to the lower surface of the filter screen 18, the right side of the waterwheel 12 is provided with a cleaning mechanism 6, a water storage box 3 is arranged in the shell 1, the lower side of the water storage box 3 is provided with a positioning mechanism 5, the left side and the right side of the inner wall of the shell 1 are both provided with first sliding grooves, the left side and the right side of the water storage box 3 are both fixedly connected with first sliding blocks 10, and the first sliding blocks 10 are slidably connected with the first sliding grooves;
the positioning mechanism 5 comprises a bottom plate fixedly connected to the lower surface of the water storage box 3, the lower surface of the bottom plate is hinged with two connecting strips through two first pin shafts 54, the other ends of the two connecting strips are hinged with two sliding sleeves 52 through second pin shafts 55, the sliding sleeves 52 are arranged, so that when the water storage box 3 moves downwards, the connecting strips are extruded, the two sliding sleeves 52 are driven to be away from each other, and further the first spring 53 begins to expand, a groove is formed in the lower surface of the inner wall of the shell 1, a sliding rod 51 is arranged in the groove, the two ends of the sliding rod 51 are respectively and fixedly connected to the left side surface and the right side surface of the inner wall of the groove, the two sliding sleeves 52 are both slidably connected to the outer surface of the sliding rod 51, the first spring 53 is sleeved on the outer surface of the sliding rod 51, and after the water in the water storage box 3 is taken out through the arrangement of the first spring 53, the two sliding sleeves 52 can receive the resilience force of the first spring 53, thereby approaching each other, and further driving the two connecting strips to approach each other, so that the water storage box 3 can be lifted, thereby avoiding the situation that the normal use of the drainage device is influenced because the water storage box 3 cannot be lifted due to self gravity, and two ends of the first spring 53 are respectively fixedly connected to the opposite surfaces of the two sliding sleeves 52;
the cleaning mechanism 6 comprises a second bearing clamped on the back of the inner wall of the shell 1, a second rotating shaft 62 is sleeved in the second bearing, the other end of the second rotating shaft 62 penetrates through a fourth sealing sleeve clamped on the front of the shell 1 and is clamped with a second driving wheel 61, the second driving wheel 61 and the first driving wheel 13 are in transmission connection with each other through a track, when the first rotating shaft 11 rotates, the first rotating shaft 11 can drive the second rotating shaft 62 to rotate under the action of the track through arrangement of the first driving wheel 13 and the second driving wheel 61, so that the repeated lead screw 64 is driven to start rotating, the repeated lead screw 64 is clamped on the outer surface of the second rotating shaft 62, the repeated lead screw 64 is arranged on the lower side of the filter screen 18, the outer surface of the repeated lead screw 64 is in threaded connection with a threaded cap 65, the right side surface of the threaded cap 65 is fixedly connected with a fixed sleeve, and when the repeated lead screw 64 rotates through arrangement of the fixed sleeve and a fixed rod 63, the threaded cap 65 can be limited by a fixed sleeve and a fixed rod 63, so that the threaded cap 65 can only move back and forth, the fixed sleeve is sleeved on the outer surface of the fixed rod 63, two ends of the fixed rod 63 are respectively and fixedly connected to the front side surface and the rear side surface of the inner wall of the shell 1, a cleaning plate 66 is fixedly connected to the upper surface of the threaded cap 65, a brush 67 is arranged on the upper surface of the cleaning plate 66, the brush 67 can be driven to clean the filter screen 18 when the cleaning plate 66 moves back and forth by arranging the brush 67, and the brush 67 is tightly attached to the lower surface of the filter screen 18;
the right side surface of the inner wall of the shell 1 is provided with a cavity communicated with the first sliding groove, the lower surface of the inner wall of the cavity is provided with a guide wheel 16, the guide wheel 16 is arranged to enable a lead 14 to stably move on the guide wheel 16, the situation that the lead 14 is misplaced is avoided, the upper surface of the first sliding block 10 is fixedly connected with the lead 14, the lead 14 is arranged on the guide wheel 16, the other end of the lead 14 penetrates through a first sealing sleeve 17 clamped on the right side surface of the inner wall of the water inlet hole and is fixedly connected with a baffle 21, the left side surface of the inner wall of the water inlet hole is provided with a baffle groove, the upper side surface and the lower side surface of the inner wall of the baffle groove are both provided with second sliding grooves, the upper side surface and the lower side surface of the baffle 21 are both fixedly connected with second sliding blocks 22, the baffle 21 can stably move in the baffle groove by arranging the second sliding blocks 22, the situation that the baffle 21 is misplaced is avoided, and the second sliding blocks 22 are slidably connected in the second sliding grooves, the outer surface of the baffle 21 is sleeved with a second sealing sleeve 20, and the second sealing sleeve 20 is clamped on the left side surface of the inner wall of the water inlet hole;
the left side face of the shell 1 is fixedly connected with a limiting block 7, the right side face of the limiting block 7 is provided with a positioning hole, the left side face of the inner wall of the positioning hole is fixedly connected with a second spring 8, and the second spring 8 is arranged, so that after rainwater in the water storage box 3 is taken out, the baffle plate 21 can be subjected to resilience force of the second spring 8 and moves towards the baffle groove, and is not limited in the water inlet hole any more, and the other end of the second spring 8 penetrates through the left side face of the shell 1 and is fixedly connected to the left side face of the baffle plate 21;
the front of water storage box 3 communicates there is hose 19, through setting up hose 19 for when the water in the water storage box 3 overflows, workman can take out the water in the water storage box 3 through hose 19, has made things convenient for workman's work, and the other end of hose 19 runs through the front of casing 1 inner wall and is provided with the valve.
The working principle is as follows: when the rainwater drainage device is used, workers can communicate the water inlet pipe with the water inlet 2, rainwater can be filtered by the filter screen 18 after entering the shell 1 and then enters the water storage box 3, when the purified rainwater in the water storage box 3 is too much, the water storage box 3 is pressed to move downwards, so that the lead 14 is driven to move downwards, the baffle 21 is driven to move out of the baffle groove, the baffle 21 is limited in the water inlet hole, the rainwater cannot enter the shell 1, when the water storage box 3 is fully collected, the rainwater collection can be automatically stopped, at the moment, the workers can take out the water in the water storage box 3 through the hose 19, so that the drainage device can continue to work, when the filter screen 18 is blocked, the rainwater can accumulate on the filter screen 18 for a long time, when the water level reaches a certain degree, the rainwater can flow into the water truck 12 through the elbow pipe 4, thereby it begins rotatoryly to drive waterwheel 12, waterwheel 12 laminates the downside at filter screen 18, can beat filter screen 18 when making waterwheel 12 rotatory, make its filter screen 18 shake, thereby make the plug on the filter screen 18 can no longer adsorb filter screen 18, simultaneously under the effect of first drive wheel 13 and second drive wheel 61, second pivot 62 begins rotatoryly, at this moment the lead screw 64 that relapses begins rotatoryly, screw cap 65 is at the effect back-and-forth movement of dead lever 63 with fixed cover, thereby drive clearance board 66 and brush 67 carry out the cleaning work to its filter screen 18.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a municipal building drainage device that can retrieve rainwater, includes casing (1), water storage box (3) and water inlet (2), its characterized in that, the upper surface of casing (1) is provided with water inlet (2), the upper surface of casing (1) has seted up into the water hole to corresponding water inlet (2), the equal fixedly connected with three hornblocks (15) of the left and right sides face of casing (1) inner wall, casing (1) inside is provided with filter screen (18), and filter screen (18) set up the downside at three hornblocks (15), the downside of filter screen (18) is provided with clearance mechanism (6), the left surface intercommunication of casing (1) has return bend (4), and the other end of return bend (4) runs through the left surface of casing (1) and the left surface of three hornblocks (15), the back joint of casing (1) inner wall has first bearing, a first rotating shaft (11) is sleeved in the first bearing, the other end of the first rotating shaft (11) penetrates through a third sealing sleeve clamped on the front surface of the shell (1) and is clamped with a first driving wheel (13), the outer surface of the first rotating shaft (11) is clamped with a waterwheel (12), the upper surface of the elbow (4) is provided with a limiting hole, the waterwheel (12) is arranged at the position limiting hole, the upper surface of the waterwheel (12) is attached to the lower surface of the filter screen (18), a cleaning mechanism (6) is arranged on the right side of the waterwheel (12), a water storage box (3) is arranged in the shell (1), a positioning mechanism (5) is arranged on the lower side of the water storage box (3), first spout has all been seted up to the left and right sides face of casing (1) inner wall, the equal fixedly connected with first slider (10) of the left and right sides face of water storage box (3), first slider (10) sliding connection is in first spout.
2. The municipal drainage apparatus for building capable of recovering rainwater according to claim 1, it is characterized in that the positioning mechanism (5) comprises a bottom plate fixedly connected with the lower surface of the water storage box (3), the lower surface of the bottom plate is articulated with two connecting strips through arranging two first pin shafts (54), the other ends of the two connecting strips are articulated with two sliding sleeves (52) through arranging a second pin shaft (55), the lower surface of the inner wall of the shell (1) is provided with a groove, a sliding rod (51) is arranged in the groove, two ends of the sliding rod (51) are respectively and fixedly connected with the left side surface and the right side surface of the inner wall of the groove, two sliding sleeves (52) are respectively and slidably connected with the outer surface of the sliding rod (51), the outer surface cover of slide bar (51) is equipped with first spring (53), and the opposite face at two sliding sleeve (52) is fixed connection respectively at the both ends of first spring (53).
3. The municipal building drainage device capable of recycling rainwater according to claim 1, wherein the cleaning mechanism (6) comprises a second bearing clamped on the back surface of the inner wall of the housing (1), a second rotating shaft (62) is sleeved in the second bearing, the other end of the second rotating shaft (62) passes through a fourth sealing sleeve clamped on the front surface of the housing (1) and is clamped with a second driving wheel (61), the second driving wheel (61) and the first driving wheel (13) are in transmission connection with each other by arranging a crawler belt, a repeated lead screw (64) is clamped on the outer surface of the second rotating shaft (62), the repeated lead screw (64) is arranged on the lower side of the filter screen (18), a threaded cap (65) is connected on the outer surface of the repeated lead screw (64), a fixing sleeve is fixedly connected on the right side surface of the threaded cap (65), and the fixing sleeve is sleeved on the outer surface of the fixing rod (63), the both ends of dead lever (63) are fixed connection respectively in the front and back both sides face of casing (1) inner wall, the last fixed surface of screw cap (65) is connected with cleaning plate (66), and the upper surface of cleaning plate (66) is provided with brush (67), and brush (67) closely laminates the lower surface at filter screen (18).
4. The municipal building drainage device capable of recycling rainwater according to claim 1, wherein a cavity communicated with the first chute is formed in the right side surface of the inner wall of the housing (1), a guide wheel (16) is arranged on the lower surface of the inner wall of the cavity, a lead (14) is fixedly connected to the upper surface of the first slider (10), the lead (14) is arranged on the guide wheel (16), the other end of the lead (14) penetrates through a first sealing sleeve (17) clamped on the right side surface of the inner wall of the water inlet hole and is fixedly connected with a baffle (21), a blocking groove is formed in the left side surface of the inner wall of the water inlet hole, second chutes are formed in the upper side surface and the lower side surface of the inner wall of the blocking groove, second sliders (22) are fixedly connected to the upper side surface and the lower side surface of the baffle (21), the second sealing sleeve (20) is sleeved on the outer surface of the baffle (21), the second sealing sleeve (20) is clamped on the left side surface of the inner wall of the water inlet hole.
5. The municipal building drainage device capable of recycling rainwater according to claim 1, wherein a limit block (7) is fixedly connected to the left side surface of the housing (1), a positioning hole is formed in the right side surface of the limit block (7), a second spring (8) is fixedly connected to the left side surface of the inner wall of the positioning hole, and the other end of the second spring (8) penetrates through the left side surface of the housing (1) and is fixedly connected to the left side surface of the baffle (21).
6. The municipal drainage device for recycling rainwater according to claim 1, wherein the front of the water storage box (3) is communicated with a hose (19), and the other end of the hose (19) penetrates the front of the inner wall of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022626576.2U CN215253141U (en) | 2020-11-13 | 2020-11-13 | Can carry out municipal building drainage device who retrieves to rainwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022626576.2U CN215253141U (en) | 2020-11-13 | 2020-11-13 | Can carry out municipal building drainage device who retrieves to rainwater |
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| Publication Number | Publication Date |
|---|---|
| CN215253141U true CN215253141U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022626576.2U Active CN215253141U (en) | 2020-11-13 | 2020-11-13 | Can carry out municipal building drainage device who retrieves to rainwater |
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| Country | Link |
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| CN (1) | CN215253141U (en) |
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2020
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