CN111364524A - General emergency well lid - Google Patents

General emergency well lid Download PDF

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Publication number
CN111364524A
CN111364524A CN202010271320.6A CN202010271320A CN111364524A CN 111364524 A CN111364524 A CN 111364524A CN 202010271320 A CN202010271320 A CN 202010271320A CN 111364524 A CN111364524 A CN 111364524A
Authority
CN
China
Prior art keywords
well
hole
well cover
fixed
groove
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.)
Pending
Application number
CN202010271320.6A
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Chinese (zh)
Inventor
王安禄
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.)
Chongqing Jia Tian Municipal Facilities Co ltd
Original Assignee
Chongqing Jia Tian Municipal Facilities 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 Chongqing Jia Tian Municipal Facilities Co ltd filed Critical Chongqing Jia Tian Municipal Facilities Co ltd
Priority to CN202010271320.6A priority Critical patent/CN111364524A/en
Publication of CN111364524A publication Critical patent/CN111364524A/en
Pending legal-status Critical Current

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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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/001Filters in combination with devices for the removal of gas, air purge systems
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a general emergency well cover, which belongs to the technical field of well covers and comprises a well body, a well cover body and a water leakage assembly, wherein the well cover body is arranged in the well body, a through hole is chiseled in the well cover body, the water leakage assembly is arranged in the through hole, a telescopic spring connected with a floating plate is fixed at the top end in a hollow groove formed by a baffle plate and a convex end of a leakage cylinder, the floating plate is positioned below a water leakage hole under the natural state of the telescopic spring, the structure can lead rainwater to generate upward buoyancy on the floating plate after permeating into the hollow groove, so that the rainwater enters from the water leakage hole, flows out from a water outlet after being filtered, is matched with an odor absorbing agent to avoid the occurrence of the reverse odor, a T-shaped groove is chiseled at the upper end of the well cover body, one end of a limiting rod rotationally connected with a handle is connected with the side wall of the T-shaped groove through a tension spring, and the structure is matched, and meanwhile, the surface of the well cover body is ensured not to have an unnecessary protruding structure.

Description

General emergency well lid
Technical Field
The invention belongs to the technical field of well lids, and particularly relates to a general emergency well lid.
Background
The manhole cover is used for covering roads or deep wells at home and preventing people or objects from falling, and can be divided into a metal manhole cover, a high-strength fiber cement concrete manhole cover, a resin manhole cover and the like according to materials; divide into circular and square according to the shape, in the road administration aspect in urban area, generally adopt circularly, because the not easy slope of circular well lid, the safety of good pedestrian of protection and vehicle that can be better, in the countryside and the cable shaft utilization, generally adopt squarely, can be better in advance the entering of liquid such as rainwater like this.
Emergent well lid is one of them, and when generally meetting rainy day, the rainwater all directly has the hole that leaks to ooze the sewer through the chisel in the well lid surface, and this kind of process of leaking without any processing not only makes the hole that leaks take place to block up easily but also the anti-smelly condition appears easily, and the installation of well lid body also all is direct with its card extension upper end that sets up in the internal side of well in addition, and spacing effect is not ideal.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a universal emergency well cover which has the characteristics of convenience in water leakage and good limiting effect.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a general emergent well lid, includes the well body, well lid body and the subassembly that leaks, the inboard of the well body is fixed with extends the platform, and the internally mounted of the well body has the well lid body, the through-hole has been dug to the inside of well lid body, and the outer top of the well lid body has the mounting groove, the internally mounted of through-hole has the subassembly that leaks, the internally mounted of mounting groove has the handle, and one side of mounting groove is provided with the T-slot, the inside in T-slot is fixed with the gag lever post, the pivot has been cup jointed to the periphery of gag lever post, and the one end of gag lever post is connected with the extension spring, the outside.
Preferably, the well lid body includes arc fixture block, bearing muscle and lid body, wherein, the lower extreme of lid body is fixed with the arc fixture block, one side of arc fixture block is provided with the bearing muscle.
Preferably, the subassembly that leaks includes expanding spring, kickboard, inlet opening, delivery port, baffle, filter screen, leaks the hole, leaks a section of thick bamboo and odor absorbing agent, wherein, the bottom chisel that leaks a section of thick bamboo has the inlet opening, and the top is connected with expanding spring in the depressed part that leaks a section of thick bamboo, expanding spring's bottom is connected with the kickboard, one side of kickboard is provided with the hole that leaks, one side of inlet opening is provided with the baffle, one side that the inlet opening was kept away from to the baffle is fixed with the filter screen, the top of filter screen is provided with odor absorbing agent, and the below of filter screen is provided with the delivery port.
Preferably, a rotating shaft is fixed inside the mounting groove, and the handle is rotatably connected with the rotating shaft through a bearing and is mounted inside the mounting groove.
Preferably, the limiting rod is connected with the handle in a rotating mode through the rotating shaft, one end of the limiting rod is connected with the well body through a groove chiseled in the inner side of the embedded well body, the inner side of the T-shaped groove is elastically connected with one end, far away from the well body, of the limiting rod through a tension spring, one end of the limiting rod is just embedded into the groove when the tension spring is located in an initial state, and the size of the handle is matched with the shape of the upper portion groove of the T-shaped groove.
Preferably, the extension table is annular, and an arc-shaped clamping groove with the size matched with the size of the arc-shaped clamping block is chiseled in the extension table.
Preferably, the arc-shaped clamping block is fixed at the lower end of the cover body through cement casting, and the bearing rib and the cover body are of an integrated structure.
Preferably, the baffle is connected with the protruding end of the leakage cylinder to form an empty groove, the floating plate is elastically connected with the top end of the empty groove through a telescopic spring, and the floating plate is located at the position of the three centimeters below the height of the water leakage hole in the natural state of the telescopic spring.
Preferably, the odor absorbing agent is bonded at the inner top end of the leakage barrel through strong viscose, fine zeolite powder is filled in the odor absorbing agent, and the filter screen is embedded into the groove and fixed between the baffle plates.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the telescopic spring connected with the floating plate is fixed at the top end in the empty groove formed by connecting the baffle plate and the protruding end of the leakage barrel, and the floating plate is positioned at the position three centimeters below the height of the water leakage hole in the natural state of the telescopic spring.
2. According to the invention, the T-shaped groove with the handle arranged inside is chiseled at the upper end of the well cover body, one end of the limiting rod which is rotationally connected with the handle through the rotating shaft is connected with the side wall of the T-shaped groove through the tension spring, and the structure can ensure that the well cover body is installed and fixed by matching with the scarf joint of the arc-shaped fixture block and the extension table under the condition that the handle is rotated and the limiting rod is pushed to the groove chiseled at the inner side of the well body, and meanwhile, the surface of the well cover body is smooth and has no.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the structure of the well cover body according to the present invention;
FIG. 4 is a schematic view of a water leaking assembly according to the present invention;
in the figure: 1. a well body; 2. an extension stage; 3. a well cover body; 31. an arc-shaped fixture block; 32. a load-bearing rib; 33. covering the body; 4. a water leakage assembly; 41. a tension spring; 42. a floating plate; 43. a water inlet hole; 44. a water outlet; 45. a baffle plate; 46. a filter screen; 47. a water leakage hole; 48. a funnel; 49. an odor absorbing agent; 5. a through hole; 6. a tension spring; 7. a rotating shaft; 8. a limiting rod; 9. a handle; 10. mounting grooves; 11. a handle; 12. t-shaped grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a general emergent well lid, including the well body 1, the well lid body 3 with leak subassembly 4, the inboard of the well body 1 is fixed with extends platform 2, and the internally mounted of the well body 1 has well lid body 3, the inside chisel of well lid body 3 has through-hole 5, and the outer top chisel of the well lid body 3 has mounting groove 10, the internally mounted of through-hole 5 has the subassembly 4 that leaks, the internally mounted of mounting groove 10 has handle 11, and one side of mounting groove 10 is provided with T-slot 12, the inside of T-slot 12 is fixed with gag lever post 8, pivot 7 has been cup jointed to gag lever post 8's periphery, and the one end of gag lever post 8 is connected with extension spring 6, the outside of pivot 7 is fixed with handle.
The well cover body 3 comprises an arc-shaped clamping block 31, a bearing rib 32 and a cover body 33, wherein the arc-shaped clamping block 31 is fixed at the lower end of the cover body 33, and the bearing rib 32 is arranged on one side of the arc-shaped clamping block 31.
The subassembly 4 that leaks includes expanding spring 41, the kickboard 42, the inlet opening 43, delivery port 44, baffle 45, the filter screen 46, the hole 47 that leaks, leak a section of thick bamboo 48 and odor absorbent 49, wherein, the bottom chisel of leaking a section of thick bamboo 48 has the inlet opening 43, and the top is connected with expanding spring 41 in the depressed part of leaking a section of thick bamboo 48, expanding spring 41's bottom is connected with the kickboard 42, one side of kickboard 42 is provided with the hole 47 that leaks, one side of inlet opening 43 is provided with baffle 45, one side that inlet opening 43 was kept away from to baffle 45 is fixed with filter screen 46, the top of filter screen 46 is provided with odor absorbent 49, and the below of filter screen 46 is provided with delivery port 44.
Specifically, a rotating shaft is fixed inside the mounting groove 10, a handle 11 is rotatably connected with the rotating shaft through a bearing and is mounted inside the mounting groove 10,
through adopting above-mentioned technical scheme, installation handle 11 is convenient to be installed and is got and unload well lid body 3.
Specifically, a limiting rod 8 is rotatably connected with a handle 9 through a rotating shaft 7, one end of the limiting rod 8 is connected with the well body 1 through being embedded into a groove drilled on the inner side of the well body 1, the inner side of a T-shaped groove 12 is elastically connected with one end, far away from the well body 1, of the limiting rod 8 through a tension spring 6, one end of the limiting rod 8 is just embedded into the groove when the tension spring 6 is positioned in an initial state, the size of the handle 9 is consistent with the shape of the upper part groove of the T-shaped groove 12,
through adopting above-mentioned technical scheme, when needs carry out spacing fixed to the well lid body 3, promote handle 9 cooperation extension spring 6 elasticity drive gag lever post 8 and remove until the draw-in groove that 1 lateral wall chisel of the well body of gag lever post 8 was bored in, then rotate handle 9, go into handle 9 card into the first half inside the T-slot 12, realize like this that there are other unnecessary protruding structures on the surface that can also avoid well lid body 3 when 3 are spacing to the well lid body.
Specifically, the extension table 2 is annular, an arc-shaped slot with the size corresponding to the arc-shaped block 31 is chiseled in the extension table 2,
through adopting above-mentioned technical scheme, guarantee that 3 imbeds of well lid body and make in the well body 1, thereby the spacing effect is further optimized in arc fixture block 31 and extension platform 2 can be rabbeted.
Specifically, the arc-shaped fixture block 31 is fixed at the lower end of the cover body 33 through cement casting, the bearing rib 32 and the cover body 33 are of an integrated structure,
through adopting above-mentioned technical scheme, guarantee well lid body 3's bearing nature.
Specifically, the baffle 45 is connected with the protruding end of the leakage cylinder 48 to form an empty groove, the floating plate 42 is elastically connected with the top end of the empty groove through the extension spring 41, the floating plate 42 is positioned at the lower three centimeters of the height of the water leakage hole 47 when the extension spring 41 is in the natural state,
through adopting above-mentioned technical scheme, can produce ascending buoyancy to kickboard 42 when the rainwater passes through inlet opening 43 infiltration dead slot to drive kickboard 42 and shift up, the rainwater then can be followed in the hole 47 infiltration delivery port 44 that leaks at this moment.
Specifically, the odor absorbing agent 49 is adhered to the inner top end of the leakage tube 48 by strong viscose, fine zeolite powder is filled in the odor absorbing agent 49, the filter screen 46 is fixed between every two baffle plates 45 by being embedded in the groove,
through adopting above-mentioned technical scheme, discharge from delivery port 44 after filtering the rainwater, the foul smell that this in-process produced because the water reaction then is absorbed by odor absorbent 49, the anti-foul situation that appears can be fine avoided.
The working principle and the using process of the invention are as follows: firstly, the well lid body 3 is installed, the lid body 33 is embedded into the well body 1, the arc-shaped clamping block 31 is clamped into the arc-shaped clamping groove chiseled in the extension table 2, then the handle 9 is pushed, because the handle 9 is rotatably connected with the limiting rod 8 through the rotating shaft 7, and one end of the limiting rod 8 is connected with the side wall of the T-shaped groove 12 through the tension spring 6, the elastic limiting rod 8 matched with the tension spring 6 is also driven to translate while the handle 9 is pushed until one end of the limiting rod 8 is embedded into the clamping groove chiseled in the inner side of the well body 1, then the handle 9 is rotated, the handle 9 is clamped into the upper half part in the T-shaped groove 12, the structure is matched with the clamping and embedding of the arc-shaped clamping block 31, the well lid body 3 can be limited, other redundant convex structures on the surface of the well lid body 3 can be avoided, when rainwater permeates into the through hole 5 in rainy days, the rainwater permeates into the empty groove formed by connecting the baffle 45 and, because the interior top of dead slot is connected with the expanding spring 41 who is connected with kickboard 42 to when expanding spring 41 natural state down, kickboard 42 is located the lower three public departments of hole 47 height that leaks, can produce ascending buoyancy to kickboard 42 after the rainwater infiltration dead slot, make kickboard 42 shift up, rainwater that this moment infiltrates in the dead slot then can ooze from the hole 47 that leaks and flow out from delivery port 44 after filtering through filter screen 46, this kind of structure cooperation is filled with odor absorbent 49 that has fine zeolite powder can also avoid appearing the anti-smelly condition under the circumstances of guaranteeing the effect of leaking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a general emergent well lid, includes well body (1), well lid (3) and the subassembly (4) that leaks, its characterized in that: the inboard of well body (1) is fixed with extension platform (2), and the internally mounted of well body (1) has well lid body (3), the inside chisel of well lid body (3) has through-hole (5), and the outer top chisel of well lid body (3) has mounting groove (10), the internally mounted of through-hole (5) has subassembly (4) that leaks, the internally mounted of mounting groove (10) has handle (11), and one side of mounting groove (10) is provided with T-slot (12), the inside of T-slot (12) is fixed with gag lever post (8), pivot (7) have been cup jointed to the periphery of gag lever post (8), and the one end of gag lever post (8) is connected with extension spring (6), the outside of pivot (7) is fixed with handle (9).
2. The universal emergency well cover according to claim 1, characterized in that: the well lid body (3) includes arc fixture block (31), bearing muscle (32) and lid body (33), wherein, the lower extreme of lid body (33) is fixed with arc fixture block (31), one side of arc fixture block (31) is provided with bearing muscle (32).
3. The universal emergency well cover according to claim 1, characterized in that: the water leakage component (4) comprises an expansion spring (41), a floating plate (42), a water inlet hole (43), a water outlet (44), a baffle plate (45), a filter screen (46), a water leakage hole (47), a leakage cylinder (48) and an odor absorbing agent (49), wherein the water inlet hole (43) is chiseled at the bottom end of the leakage cylinder (48), the top end of the inner concave part of the leakage cylinder (48) is connected with the expansion spring (41), the bottom end of the expansion spring (41) is connected with the floating plate (42), the water leakage hole (47) is formed in one side of the floating plate (42), the baffle plate (45) is arranged on one side of the water inlet hole (43), the filter screen (46) is fixed on one side of the baffle plate (45) far away from the water inlet hole (43), the odor absorbing agent (49) is arranged above the filter screen (46), and the water outlet (44) is arranged below.
4. The universal emergency well cover according to claim 1, characterized in that: the inside of mounting groove (10) is fixed with the axis of rotation, handle (11) are connected with the axis of rotation through the bearing and are installed in the inside of mounting groove (10) rotationally.
5. The universal emergency well cover according to claim 1, characterized in that: rotate through pivot (7) between gag lever post (8) and handle (9) and be connected, and the one end of gag lever post (8) is connected with well body (1) in the recess that has been dug through embedding well body (1) inboard, the one end elastic connection of well body (1) is kept away from with gag lever post (8) through extension spring (6) to the inboard of T shape groove (12), the one end of gag lever post (8) just imbeds in the recess when extension spring (6) are located initial condition, the size of handle (9) accords with the shape in the upper portion groove of T shape groove (12).
6. The universal emergency well cover according to claim 1, characterized in that: the extension table (2) is annular, and an arc clamping groove with the size matched with that of the arc clamping block (31) is chiseled in the extension table (2).
7. The universal emergency well cover according to claim 2, characterized in that: arc fixture block (31) are fixed at the lower extreme of lid body (33) through the cement casting, bearing muscle (32) and lid body (33) formula structure as an organic whole.
8. The universal emergency well cover according to claim 3, wherein: baffle (45) and the protruding end of leaking a section of thick bamboo (48) are connected and are constituted the dead slot, pass through expanding spring (41) elastic connection between the top of kickboard (42) and dead slot, when expanding spring (41) natural state down, kickboard (42) are located the below three centimeters department of the height in hole (47) that leaks.
9. The universal emergency well cover according to claim 3, wherein: the odor absorbing agent (49) is adhered to the inner top end of the leakage barrel (48) through strong viscose, fine zeolite powder is filled in the odor absorbing agent (49), and the filter screen (46) is fixed between every two baffle plates (45) through being embedded into the groove.
CN202010271320.6A 2020-04-08 2020-04-08 General emergency well lid Pending CN111364524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010271320.6A CN111364524A (en) 2020-04-08 2020-04-08 General emergency well lid

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Application Number Priority Date Filing Date Title
CN202010271320.6A CN111364524A (en) 2020-04-08 2020-04-08 General emergency well lid

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Publication Number Publication Date
CN111364524A true CN111364524A (en) 2020-07-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482545A (en) * 2020-11-11 2021-03-12 周朝华 Prefabricated concrete sewer top cover for community drainage

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350081B1 (en) * 2000-07-25 2002-02-26 Department Of Water And Power City Of Los Angeles Manhole restraining system for venting out explosive gases in a manhole
CN206646621U (en) * 2016-10-20 2017-11-17 翟立春 Drain cover and odour-proof floor drain
CN107882157A (en) * 2017-12-18 2018-04-06 赵崇武 Double stink ball float floor drain
CN207211327U (en) * 2017-08-14 2018-04-10 广州天翔建设工程有限公司 Odour-proof floor drain
CN208072603U (en) * 2018-01-30 2018-11-09 浙江石城胶丸有限公司 A kind of well lid with filtering function
CN209538227U (en) * 2018-12-25 2019-10-25 浙江诚辉建设有限公司 A kind of well lid with the matching used rain collection well of municipal works
CN209958401U (en) * 2019-03-18 2020-01-17 湖北路中宝金属制品有限公司 Reinforced well cover
CN210013243U (en) * 2019-04-17 2020-02-04 孙伟 Water conservancy well head protector

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350081B1 (en) * 2000-07-25 2002-02-26 Department Of Water And Power City Of Los Angeles Manhole restraining system for venting out explosive gases in a manhole
CN206646621U (en) * 2016-10-20 2017-11-17 翟立春 Drain cover and odour-proof floor drain
CN207211327U (en) * 2017-08-14 2018-04-10 广州天翔建设工程有限公司 Odour-proof floor drain
CN107882157A (en) * 2017-12-18 2018-04-06 赵崇武 Double stink ball float floor drain
CN208072603U (en) * 2018-01-30 2018-11-09 浙江石城胶丸有限公司 A kind of well lid with filtering function
CN209538227U (en) * 2018-12-25 2019-10-25 浙江诚辉建设有限公司 A kind of well lid with the matching used rain collection well of municipal works
CN209958401U (en) * 2019-03-18 2020-01-17 湖北路中宝金属制品有限公司 Reinforced well cover
CN210013243U (en) * 2019-04-17 2020-02-04 孙伟 Water conservancy well head protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482545A (en) * 2020-11-11 2021-03-12 周朝华 Prefabricated concrete sewer top cover for community drainage

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