CN105442636B - A kind of Safety manhole cover of automatic drainage - Google Patents

A kind of Safety manhole cover of automatic drainage Download PDF

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Publication number
CN105442636B
CN105442636B CN201510914027.6A CN201510914027A CN105442636B CN 105442636 B CN105442636 B CN 105442636B CN 201510914027 A CN201510914027 A CN 201510914027A CN 105442636 B CN105442636 B CN 105442636B
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CN
China
Prior art keywords
manhole cover
water
movable plate
water tank
automatic drainage
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
CN201510914027.6A
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Chinese (zh)
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CN105442636A (en
Inventor
徐丽芳
徐巨洪
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.)
TAIZHOU TIANYUAN PRECISION CASTING CO., LTD.
Original Assignee
Jiangshan Science And Technology Service 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 Jiangshan Science And Technology Service Co Ltd filed Critical Jiangshan Science And Technology Service Co Ltd
Priority to CN201710996245.8A priority Critical patent/CN107905264B/en
Priority to CN201710996236.9A priority patent/CN107964985B/en
Priority to CN201510914027.6A priority patent/CN105442636B/en
Publication of CN105442636A publication Critical patent/CN105442636A/en
Application granted granted Critical
Publication of CN105442636B publication Critical patent/CN105442636B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • E02D29/1418Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • E03F2005/068Gully gratings with means for enhancing water flow

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a kind of Safety manhole cover of automatic drainage, including:Upper lid and manhole cover body, it is described upper to cover in manhole cover body, the upper lid surface has some water seepage holes and water hole, top cover is provided with the water hole, the top cover is on movable plate, piston is provided between the movable plate, the piston can move up and down when how much water volume in water tank changes, so that water hole is opened and closed, so as to realize the function of automatic shutter, and the integrality of well lid will not be impacted when closed, it is a kind of very safe well lid, and possess a variety of anti-pollution functions and anti-failure setting, so that well lid can realize non-maintaining effect.

Description

A kind of Safety manhole cover of automatic drainage
Technical field
The present invention relates to underground water transportation art, more particularly to a kind of Safety manhole cover of automatic drainage.
Background technology
Urban Underground pipeline is very flourishing at present, has some underground pipings to undertake the conveying of underground water or other lines The laying of cable, and the exit of pipeline would generally set well lid, well lid can typically be provided simultaneously with protecting hole and sluice dual Function, and current well lid is typically used and is manually opened and closed, either usually holding is normally closed, or maintain a normally open, like this, Huge potential safety hazard is caused, or impeded drainage can be caused, therefore, how to solve the problem is art personnel The problem of thinking deeply always.
The content of the invention
It is an object of the invention to:Overcome the above-mentioned problems in the prior art, propose a kind of safety of automatic drainage It inspection well cover, can be automatically opened and closed according to the number of bleeder quantity, and the integrality of well lid will not be caused when closed Influence, be a kind of very safe well lid, and possess a variety of anti-pollution functions and anti-failure setting, so that well lid can be realized Non-maintaining effect.
The purpose of the present invention is realized by following technical proposals:A kind of Safety manhole cover of automatic drainage, including:Upper lid And manhole cover body, it is described it is upper cover in manhole cover body, the upper lid surface has some water seepage holes and water hole, the mistake Top cover is provided with water hole, the top cover is provided with movable plate, between the top cover and movable plate and holds out against spring, the shifting Dynamic plate is arranged on margin plate and central plate, and the margin plate and central plate are fixedly connected with upper lid, the movable plate and side Horizontal direction between listrium is provided with crossed strip, and piston is provided between the movable plate, and the piston lower portion is provided with piston rod, The underpart of the piston rod is connected with water tank, and the water tank upper is provided with some inlet openings, between the water tank and manhole cover body Provided with opening and closing spring, the water tank bottom is provided with some spilled water holes, and the manhole cover body bottom is provided with some discharge orifices, such Water enters in water tank from water seepage hole under normal circumstances for setting, spilled water hole is provided with water tank, when influx and the discharge phase of water tank When, i.e., when displacement is little, without being covered in opening, when Water in Water Tanks amount is excessive, compression opening and closing spring, move down piston, this When movable plate in the presence of crossed strip, drawn close to centre, drive top cover motion, open water hole, so that upper lid Discharging capacity increases, so as to tackle different sluicing demands, when bleeder quantity is small, and the discharge reduction in water tank, now piston It is up, and to be band taper set upper piston area, makes not completely disengaging movable plate during descent of piston, so as to can be smooth when up Movable plate is separated, so that top cover blocks water hole, and movable plate is fixed setting in vertical direction, so that upper lid Intensity strengthened, possess the effect for bearing downward power when closed, so as to ensure the safe handling of well lid.
A kind of Safety manhole cover of automatic drainage of the present invention, the junction at the top lid center of water hole and top cover, By the top cover cambered surface of the top cover and the upper lid cambered surface of upper lid, realize that cambered surface contacts, such setting makes two parts relative Resistance is minimum during slip, is easy to smoothly open and close water hole.
A kind of Safety manhole cover of automatic drainage of the present invention, it is provided with the faying face of the central plate and movable plate spacing Spring catch, for the limit spring pins position in central plate, the movable plate is provided with stopper slot, and such setting can be to movement Plate progress is effective spacing, and its resistance will not be excessive when needing playback.
A kind of Safety manhole cover of automatic drainage of the present invention, the upper surface of the water tank is water tank cambered surface, such to set The accumulation of dust can effectively be prevented by putting, and water hole can not also be opened by liquid is cannot be introduced into when water tank causes water big, be prevented Only automatic shutter disabler.
A kind of Safety manhole cover of automatic drainage of the present invention, the bottom surface of the water tank is as convex upper convex surface The mud that can make to avoid inside is set while blocks spilled water hole, the water in water tank is not flowed out, so as to cause water little Mistiming beats water hole greatly, causes potential safety hazard.
A kind of Safety manhole cover of automatic drainage of the present invention, the spilled water hole lower section of the convex Middle face are provided with dredging Bar, the 1/3-3/4 of a diameter of sluicing bore dia of the dredging bar, such setting can effectively prevent that spilled water hole from being sealed It is stifled, and size setting then will not make dredging bar result in blockage spilled water hole in scale removal process.
A kind of Safety manhole cover of automatic drainage of the present invention, grid, the maximum of the grid are provided with the water hole Diagonal is less than 30mm, and such setting increases the overall intensity of lid, and can make the use function of upper lid surface will not Being set by water hole is influenceed, and can also so carry out artificial top cover in some cases.
A kind of Safety manhole cover of automatic drainage of the present invention, it is described to hold out against outside spring, opening and closing spring and crossed strip Provided with waterproof jacket, such setting strengthens the service life of each spring, and can avoid the influence of mud, causes elastic mistake Effect, so that the disabler of well lid.
A kind of Safety manhole cover of automatic drainage of the present invention, to be articulated and connected between the upper lid and manhole cover body, this The setting of sample makes lid and the integrated setting of manhole cover body, so as to play antitheft effect.
According to above-mentioned technical proposal, the beneficial effects of the invention are as follows:Overcome the above-mentioned problems in the prior art, propose It a kind of Safety manhole cover of automatic drainage, can be automatically opened and closed according to the number of bleeder quantity, and when closed will not The integrality of well lid is impacted, is a kind of very safe well lid, and possess a variety of anti-pollution functions and it is anti-failure set Put, so that well lid can realize non-maintaining effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Safety manhole cover of automatic drainage of the present invention;
Fig. 2 is a kind of top view of the Safety manhole cover of automatic drainage of the present invention;
Fig. 3 is a kind of birds-eye perspective of the Safety manhole cover of automatic drainage of the present invention;
Fig. 4 is the A partial enlarged drawings in Fig. 1;
Marked in figure:
Lid on 1-, 2- manhole cover bodies, 3- piston rods, 4- opening and closing spring, 5- dredgings bar, 11- margin plates, 12- central plates, 13- movable plates, 14- water seepage holes, 15- water holes, 121- limit springs pin, 131- stopper slots, 132- crossed strips, 133- are held out against The upper lid cambered surface of spring, 134- top covers, 151-, 1341- top covers cambered surface, 21- discharge orifices, 31- water tanks, 32- pistons, 311- water tank arcs Face, the upper convex surfaces of 312-, 3111- inlet openings, 3121- spilled water holes.
Embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
If Fig. 1-4 is a kind of embodiment of the Safety manhole cover of automatic drainage of the present invention, as shown in figure 1, a kind of automatic leakage The Safety manhole cover of water, including:Upper lid 1 and manhole cover body 2, the upper lid 1 are covered in manhole cover body 2, the upper surface of lid 1 With some water seepage holes 14 and water hole 15, top cover 134 is provided with the water hole 15, the top cover 134 is located at movable plate 13 On, it is provided between the top cover 134 and movable plate 13 and holds out against spring 133, the movable plate 13 is arranged at margin plate 11 with On core 12, the margin plate 11 and central plate 12 are fixedly connected with upper lid 1, between the movable plate 13 and margin plate 11 Horizontal direction is provided with crossed strip 132, and piston 32 is provided between the movable plate 13, and the bottom of piston 32 is provided with piston rod 3, The bottom of piston rod 3 is connected with water tank 31, and the top of water tank 31 is provided with some inlet openings 3111, the water tank 31 and well Opening and closing spring 4 is provided between lid body 2, the bottom of water tank 31 is provided with some spilled water holes 3121, and the bottom of manhole cover body 2 is set There are some discharge orifices 21, water enters in water tank from water seepage hole under normal circumstances for such setting, and spilled water hole is provided with water tank, works as water The influx of case is suitable with discharge, i.e., when displacement is little, without being covered in opening, when Water in Water Tanks amount is excessive, compression is opened Spring is closed, moves down piston, now movable plate is drawn close in the presence of crossed strip to centre, is driven top cover motion, was made water Hole is opened, so that the discharging capacity increase of upper lid, so as to tackle different sluicing demands, when bleeder quantity is small, in water tank Discharge reduction, now piston stroking upward, and to be band taper set upper piston area, makes not completely disengaging movable plate during descent of piston, So as to smoothly separate movable plate when up, so that top cover blocks water hole, and movable plate is in vertical direction For fixed setting, so that the intensity of upper lid is strengthened, possesses the effect for bearing downward power when closed, so as to ensure well The safe handling of lid, the junction at the top lid center of water hole 15 and top cover 134, passes through the top cover arc of the top cover 134 Face 1341 and the upper lid cambered surface 151 of upper lid 1, realize that cambered surface contacts, such setting makes two parts with respect to resistance when sliding most It is small, it is easy to smoothly open and close water hole, limit spring pin is provided with the faying face of the central plate 12 and movable plate 13 121, the limit spring pin 121 is located in central plate 12, and the movable plate 13 is provided with stopper slot 131, and such setting can It is effective spacing to be carried out to movable plate, and when needing playback, its resistance will not be excessive, and the upper surface of the water tank 31 is Water tank cambered surface 311, such setting can effectively prevent the accumulation of dust, when making liquid cannot be introduced into water tank to cause water big Also water hole can not be opened, prevents automatic shutter disabler, the bottom surface of the water tank 31 is convex upper convex surface 312, this The setting of sample can make to avoid the mud of inside while block spilled water hole, the water in water tank is not flowed out, so as to cause water Little mistiming beats water hole greatly, causes potential safety hazard, and the lower section of spilled water hole 3121 at the upper middle part of convex surface 312 is provided with dredging bar 5, the 1/3-3/4 of the diameter of a diameter of spilled water hole 3121 of the dredging bar 5, such setting can effectively prevent spilled water hole quilt Closure, and size setting then will not make dredging bar result in blockage spilled water hole in scale removal process, be provided with the water hole 15 Grid, the maximum diagonal of the grid are less than 30mm, and such setting increases the overall intensity of lid, and can make lid Will not being set using function by water hole for surface is influenceed, and can also so carry out artificial top cover in some cases, Spring 133, opening and closing spring 4 and the outside of crossed strip 132 of holding out against is provided with waterproof jacket, such to set the use for making each spring Life-span strengthens, and can avoid the influence of mud, elastic failure is caused, so that the disabler of well lid, the upper He of lid 1 To be articulated and connected between manhole cover body 2, such setting makes lid and the integrated setting of manhole cover body, antitheft so as to play Effect.
Due to using above-mentioned technical proposal, the beneficial effects of the invention are as follows:Overcome the above-mentioned problems in the prior art, A kind of Safety manhole cover of automatic drainage is proposed, can be automatically opened and closed according to the number of bleeder quantity, and when closed The integrality of well lid will not be impacted, be a kind of very safe well lid, and possess a variety of anti-pollution functions and anti-failure Set, so that well lid can realize non-maintaining effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (8)

  1. A kind of 1. Safety manhole cover of automatic drainage, it is characterised in that including:Upper lid(1)And manhole cover body(2), the upper lid (1)Cover in manhole cover body(2)On, the upper lid(1)Surface has some water seepage holes(14)And water hole(15), it is described to cross water Hole(15)Place is provided with top cover(134), the top cover(134)Located at movable plate(13)On, the top cover(134)With movable plate (13)Between be provided with hold out against spring(133), the movable plate(13)It is arranged at margin plate(11)And central plate(12)On, it is described Margin plate(11)And central plate(12)With upper lid(1)It is fixedly connected, the movable plate(13)With margin plate(11)Between level Direction is provided with crossed strip(132), the movable plate(13)Between be provided with piston (32), piston (32) bottom is provided with piston Bar(3), the piston rod(3)Bottom and water tank(31)It is connected, the water tank(31)Top is provided with some inlet openings(3111), The water tank(31)With manhole cover body(2)Between be provided with opening and closing spring(4), the water tank(31)Bottom is provided with some spilled water holes (3121), the manhole cover body(2)Bottom is provided with some discharge orifices(21), the water hole(15)Place is provided with grid, the grid The maximum diagonal of lattice is less than 30mm.
  2. A kind of 2. Safety manhole cover of automatic drainage according to claim 1, it is characterised in that:The water hole(15)With Top cover(134)The junction at top lid center, passes through the top cover(134)Top cover cambered surface(1341)With upper lid(1)Upper lid Cambered surface(151), realize that cambered surface contacts.
  3. A kind of 3. Safety manhole cover of automatic drainage according to claim 1, it is characterised in that:The central plate(12)With Movable plate(13)Faying face at be provided with limit spring pin(121), the limit spring pin(121)Positioned at central plate(12)It is interior, The movable plate(13)It is provided with stopper slot(131).
  4. A kind of 4. Safety manhole cover of automatic drainage according to claim 1, it is characterised in that:The water tank(31)It is upper Surface is water tank cambered surface(311).
  5. A kind of 5. Safety manhole cover of automatic drainage according to claim 1, it is characterised in that:The water tank(31)Bottom Face is convex upper convex surface(312).
  6. A kind of 6. Safety manhole cover of automatic drainage according to claim 5, it is characterised in that:The upper convex surface(312) The spilled water hole at middle part(3121)Lower section is provided with dredging bar(5), the dredging bar(5)A diameter of spilled water hole(3121)The 1/ of diameter 3-3/4。
  7. 7. according to a kind of Safety manhole cover of any described automatic drainages of claim 1-6, it is characterised in that:It is described to hold out against bullet Spring(133), opening and closing spring(4)And crossed strip(132)Outside is provided with waterproof jacket.
  8. A kind of 8. Safety manhole cover of automatic drainage according to claim 1, it is characterised in that:The upper lid(1)And well Lid body(2)Between to be articulated and connected.
CN201510914027.6A 2015-12-12 2015-12-12 A kind of Safety manhole cover of automatic drainage Active CN105442636B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201710996245.8A CN107905264B (en) 2015-12-12 2015-12-12 Automatic draining inspection well cover
CN201710996236.9A CN107964985B (en) 2015-12-12 2015-12-12 Safety inspection well cover
CN201510914027.6A CN105442636B (en) 2015-12-12 2015-12-12 A kind of Safety manhole cover of automatic drainage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510914027.6A CN105442636B (en) 2015-12-12 2015-12-12 A kind of Safety manhole cover of automatic drainage

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN201710996236.9A Division CN107964985B (en) 2015-12-12 2015-12-12 Safety inspection well cover
CN201710996245.8A Division CN107905264B (en) 2015-12-12 2015-12-12 Automatic draining inspection well cover

Publications (2)

Publication Number Publication Date
CN105442636A CN105442636A (en) 2016-03-30
CN105442636B true CN105442636B (en) 2017-12-19

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CN201710996245.8A Active CN107905264B (en) 2015-12-12 2015-12-12 Automatic draining inspection well cover
CN201710996236.9A Active CN107964985B (en) 2015-12-12 2015-12-12 Safety inspection well cover
CN201510914027.6A Active CN105442636B (en) 2015-12-12 2015-12-12 A kind of Safety manhole cover of automatic drainage

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Application Number Title Priority Date Filing Date
CN201710996245.8A Active CN107905264B (en) 2015-12-12 2015-12-12 Automatic draining inspection well cover
CN201710996236.9A Active CN107964985B (en) 2015-12-12 2015-12-12 Safety inspection well cover

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042265A (en) * 2019-11-18 2020-04-21 国网浙江省电力有限公司嘉兴供电公司 Rainwater recycling and filtering system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108978719B (en) * 2018-09-14 2020-08-07 东阳市天齐科技有限公司 Road inspection well
CN109577370A (en) * 2018-12-31 2019-04-05 江苏扬桩金源管业有限公司 Mixture of piles and concrete wall assembled piping lane with drainage arrangement
CN112878376A (en) * 2020-11-27 2021-06-01 贺慧霞 Inspection well cover with anti-theft structure

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Publication number Priority date Publication date Assignee Title
CN2742035Y (en) * 2004-11-12 2005-11-23 杨家成 Automatic water drain type inspection manhole cover
CN102852162A (en) * 2012-08-29 2013-01-02 中国民航大学 Water discharging manhole cover capable of automatically hoisting
CN103374968A (en) * 2012-04-26 2013-10-30 武国贵 Multifunctional sewage well device
CN204112476U (en) * 2014-07-21 2015-01-21 上海彪能建筑科技有限公司 Shunting abandoned stream filter
CN204343434U (en) * 2014-12-19 2015-05-20 范迦琪 A kind of lower well well lid of anti-water slug
CN104975646A (en) * 2015-07-01 2015-10-14 重庆腾田科技发展有限公司 Flood control well lid

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Publication number Priority date Publication date Assignee Title
KR20050081903A (en) * 2005-07-22 2005-08-19 정준채 A anti-smell cover plate of wate spout with steelgrating
KR101448569B1 (en) * 2014-02-18 2014-10-16 한국주철산업주식회사 Escape-proof manhole for water pressure adjustment function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2742035Y (en) * 2004-11-12 2005-11-23 杨家成 Automatic water drain type inspection manhole cover
CN103374968A (en) * 2012-04-26 2013-10-30 武国贵 Multifunctional sewage well device
CN102852162A (en) * 2012-08-29 2013-01-02 中国民航大学 Water discharging manhole cover capable of automatically hoisting
CN204112476U (en) * 2014-07-21 2015-01-21 上海彪能建筑科技有限公司 Shunting abandoned stream filter
CN204343434U (en) * 2014-12-19 2015-05-20 范迦琪 A kind of lower well well lid of anti-water slug
CN104975646A (en) * 2015-07-01 2015-10-14 重庆腾田科技发展有限公司 Flood control well lid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042265A (en) * 2019-11-18 2020-04-21 国网浙江省电力有限公司嘉兴供电公司 Rainwater recycling and filtering system
CN111042265B (en) * 2019-11-18 2021-01-08 国网浙江省电力有限公司嘉兴供电公司 Rainwater recycling and filtering system

Also Published As

Publication number Publication date
CN107905264A (en) 2018-04-13
CN107964985A (en) 2018-04-27
CN105442636A (en) 2016-03-30
CN107905264B (en) 2019-10-22
CN107964985B (en) 2019-10-22

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Inventor after: Xu Lifang

Inventor after: Xu Juhong

Inventor before: Yang Shaoyuan

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Effective date of registration: 20171123

Address after: 324199 Zhejiang Quzhou City, Jiangshan City, Twin Towers street, culture and education West Road No. 15

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Address before: 610041 Sichuan city of Chengdu province high tech Zone Century City Road No. 599 Tianfu Software Park D District 6 Building No. 505

Applicant before: CHENGDU RUIDA ZHIXIANG TECHNOLOGY CO., LTD.

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Effective date of registration: 20180724

Address after: 225700 Chen Bao town industrial concentration area, Xinghua City, Taizhou, Jiangsu

Patentee after: TAIZHOU TIANYUAN PRECISION CASTING CO., LTD.

Address before: 324199 15, Wen Jiao Xi Road, Twin Towers street, Jiangshan City, Quzhou, Zhejiang.

Patentee before: Jiangshan science and Technology Service Co., Ltd.

TR01 Transfer of patent right