CN109403383A - Manhole lid device - Google Patents
Manhole lid device Download PDFInfo
- Publication number
- CN109403383A CN109403383A CN201710706007.9A CN201710706007A CN109403383A CN 109403383 A CN109403383 A CN 109403383A CN 201710706007 A CN201710706007 A CN 201710706007A CN 109403383 A CN109403383 A CN 109403383A
- Authority
- CN
- China
- Prior art keywords
- cover body
- manhole cover
- manhole
- limited post
- display screen
- 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
Links
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 9
- 230000001737 promoting effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of manhole lid devices, are related to well lid technical field, and main purpose is to guarantee the service life of manhole lid device for improving electronic component safety in manhole cover body.A kind of main technical schemes of the invention are as follows: manhole lid device, it include: well seat and manhole cover body, there is connection well head on the well seat, the manhole cover body is covered at the connection well head of the well seat, the upper surface of the manhole cover body has display screen, the lower surface of the manhole cover body is equipped with box body and limited post, the electronic component connecting with the display screen is equipped in the box body, the limited post is vertically fixed on the lower surface of the manhole cover body, the limited post is multiple, multiple limited posts are centered around around the box body, wherein, the length of the limited post is greater than the thickness of the box body.Present invention is mainly used for block well head.
Description
Technical field
The present invention relates to well lid technical field more particularly to a kind of manhole lid devices.
Background technique
Well lid prevents people or object from falling in well, wherein well for covering the well head of well under family's middle-deep well or road
The material of lid is generally metal material and is made, and shape is mostly circle, when people or vehicle are by well lid position, can trample or
Well lid was rolled, does not influence the normal pass of people or vehicle.
With the fast development of electronic technology, well lid can also integrate a variety of relevant electronic technology, while on well lid
Many electronic components can be equipped with, when staff is when overhaul manhole lid device, in order to overhaul convenience, it will usually by manhole cover body from
On the ground for disassembling, and being placed around on well seat, and since the bottom of manhole cover body has the box equipped with electronic component
Body, since the weight of manhole cover body is larger, is easy box body squeezing change if the box body of manhole cover body directly contacts on ground
Shape damages the intracorporal electronic component of box.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of manhole lid device, main purpose is powered on for improving manhole cover body
Subcomponent safety guarantees the service life of manhole lid device.
In order to achieve the above objectives, present invention generally provides following technical solutions:
The embodiment of the invention provides a kind of manhole lid devices, comprising:
Well seat and manhole cover body, have connection well head on the well seat, and the manhole cover body is covered in the company of the well seat
At drifting mouth, the upper surface of the manhole cover body has display screen, and the lower surface of the manhole cover body is equipped with box body and limit
Column, the box body is interior to be equipped with the electronic component connecting with the display screen, and the limited post is vertically fixed on the well lid sheet
The lower surface of body, the limited post be it is multiple, multiple limited posts are centered around around the box body, wherein the limited post
Length be greater than the box body thickness.
Further, there is link block, the display screen is connected to the link block, described aobvious in the box body
Display screen curtain is used for through the control signal outside link block acquisition, to replace the broadcasting content of the display screen.
Further, the limited post is made of flexible rubber material.
Further, the upper surface of the manhole cover body have solar panel, the well seat be equipped with battery, it is described too
Positive energy panel is connected to the battery, and the battery is connected to the intracorporal electronic component of the box and the display screen, described
Solar panel is used to charge for the battery.
Further, there is the first touch control part in the manhole cover body, there is the second touch control part, institute in the manhole cover body
It states the first touch control part and is connected to the display screen and the electronic component, second touch control part is connected to the battery, when
When the manhole cover body and the well seat are mutually closed, first touch control part is connect with the mutual touch-control of the second touch control part.
Further, there are multiple limiting slots on the well seat, when manhole cover body capping is closed with the well seat,
Multiple limited post correspondences are plugged in multiple limiting slots.
Further, the limited post is detachably connected with the manhole cover body.
Further, the lower surface of the manhole cover body is equipped with multiple threaded holes, and the end of each limited post has
External screw thread, multiple limited post correspondences are threadedly connected in multiple threaded holes.
Further, multiple manhole lid devices are distributed uniformly and circumferentially on the lower surface of the manhole cover body.
The embodiment of the invention provides a kind of manhole lid devices to guarantee for improving electronic component safety in manhole cover body
The service life of manhole lid device.In the prior art, when staff is when overhauling manhole lid device, in order to overhaul conveniently, it will usually
On the ground that manhole cover body is disassembled from well seat, and is placed around, and it is equipped with since the bottom of manhole cover body has
The box body of electronic component, if the box body of manhole cover body will directly contact on ground, since the weight of manhole cover body is larger,
It is easy for box body to be squeezed and deformed, damages the intracorporal electronic component of box.Compared with prior art, the well lid dress that present specification provides
It sets including manhole cover body and well seat, box body is equipped on the lower surface of manhole cover body, there is electronic component in box body, in well lid sheet
Multiple limited posts are additionally provided with around body, when staff, which disassembles manhole cover body, to be placed on the ground, due to limit
The length of column is greater than the thickness of box body, so limited post can support on the ground, and box body is in vacant state, avoids and ground
It directly contacts, reduces the damage of electronic component in box body.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of manhole lid device provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to manhole lid device proposed according to the present invention its specific embodiment, structure, feature and its effect,
Detailed description is as follows.
As shown in Figure 1, the embodiment of the invention provides a kind of manhole lid devices, comprising:
Well seat 1 and manhole cover body 2, have connection well head 11 on the well seat 1, and the manhole cover body 2 is covered in the well
At the connection well head 11 of seat 1, the upper surface of the manhole cover body 2 has display screen 21, and the lower surface of the manhole cover body 2 is set
There are box body 22 and limited post 23, the electronic component connecting with the display screen 21, the limited post are equipped in the box body 22
23 are vertically fixed on the lower surface of the manhole cover body 2, the limited post 23 be it is multiple, multiple limited posts 23 are centered around institute
It states around box body 22, wherein the length of the limited post 23 is greater than the thickness of the box body 22.
Wherein, well seat 1 can be fixed in ground, have connection through-hole for being fixedly mounted manhole cover body 2, on well seat 1,
One end of connection through-hole is connected to well head, and the other end has opening, and manhole cover body 2 can be then covered in opening, Jin Ershi
Now to the closure of well head.Well seat 1 is typically all to be made of metal material, and the diameter that through-hole is connected in well seat 11 can be with well head
Diameter match, such as: the diameter for connecting through-hole is identical as the diameter of well head.
Wherein, above-mentioned manhole cover body 2 can be made of metal material, to improve its use intensity and service life, well
Lid ontology 2 can be covered in the opening of well seat 1, realize the closure to well head.
Wherein, there are many electronic components for setting in the box body 22 on 2 lower surface of manhole cover body, and above-mentioned electronic component is for connecting
It is connected to display screen 21, shows that screen 21 shows image or video for enabling, in order to mitigate the weight of manhole cover body 2, electricity
Subcomponent can be set on the bottom surface of manhole cover body 2, when mutually being closed between manhole cover body 2 and well seat 1, manhole cover body 2
Lower surface be then arranged and pound in well head, outside will not be emerging in, the effect that the electronic component in well can be thus protected, separately
It outside, is sealing state in box body 22, the moisture of such underground cannot propagate into box body 22, avoid influencing electronics member in box body 22
The service life of part.
In addition, being additionally provided with multiple limited posts 23 around box body 22 on 2 lower surface of manhole cover body, each limited post 23 is
It is mutually perpendicular to the lower surface of manhole cover body 2, when staff disassembles manhole cover body 2, on the ground being placed around
When, since the length of limited post 23 is both greater than the thickness of box body 22, so 23 end of limited post can support on the ground, and box
Body 22 is then in vacant state, thus can be avoided box body 22 and contacts with the direct of ground, box body 22 is avoided to squeeze
Deformation damages the electronic component in box body 22.
The embodiment of the invention provides a kind of manhole lid devices to guarantee for improving electronic component safety in manhole cover body
The service life of manhole lid device.In the prior art, when staff is when overhauling manhole lid device, in order to overhaul conveniently, it will usually
On the ground that manhole cover body is disassembled from well seat, and is placed around, and it is equipped with since the bottom of manhole cover body has
The box body of electronic component, if the box body of manhole cover body will directly contact on ground, since the weight of manhole cover body is larger,
It is easy for box body to be squeezed and deformed, damages the intracorporal electronic component of box.Compared with prior art, the well lid dress that present specification provides
It sets including manhole cover body and well seat, box body is equipped on the lower surface of manhole cover body, there is electronic component in box body, in well lid sheet
Multiple limited posts are additionally provided with around body, when staff, which disassembles manhole cover body, to be placed on the ground, due to limit
The length of column is greater than the thickness of box body, so limited post can support on the ground, and box body is in vacant state, avoids and ground
It directly contacts, reduces the damage of electronic component in box body.
Further, there is link block, display screen 21 is connected to link block, shows screen 21 in the box body 22
For the control signal outside being obtained by link block, to replace the broadcasting content of display screen 21.In the present embodiment, display
Screen 21 for showing the contents such as image or video, show 21 broadcasting content of screen control mode can there are many, optionally,
It shows that screen 21 can connect network by link block, when needing to control the broadcasting content of display screen 21, can pass through
Network issues control signal to control the broadcast information of replacement display screen 21, such as: mobile phone or electricity can be used in staff
Brain controls the broadcasting content of display screen 21 by network；Optionally, display screen 21 can also be connected by link block
In preset terminal device, and preset terminal device can be set in control room, and such staff can be by default
Terminal device come control replacement display screen 21 display content.By showing that screen 21 can be declared with playing pictures, image etc.
Content is passed, such as: the weather condition on the same day can be played by the display screen 21 in manhole cover body 2, can also be played herein
Location information, road information, retail shop's information etc., the cultural and historical etc. about street herein can also be played, can also be played
The promotional videos in city or the advertising image video of brand etc., in short, the display screen 21 in manhole cover body 2 can be used for into
The publicity of row video or picture, and the city street Zhong Meitiao can all have many manhole lid devices, when citizen on the way walk, everywhere all
Well lid can be encountered, thus makes the range of publicity of the display screen 21 in manhole cover body 2 wider, preferable publicity can be played
Effect, and traditional publicity mode is typically all that publicity is shown using the modes such as billboard or advertisement screen are set up in roadside
Content, compared with traditional publicity mode, the invention provide publicity mode can play better the effect of publicity,
In, it is that publicity mode never before seen, people can feel before that publicity is carried out by the display screen 21 in manhole cover body 2
It obtains than comparatively fresh, is more willing to attempt to understand this new-type publicity measures, can thus play preferable the effect of publicity, separately
Outside, the viewing angle of traditional publicity mode is poor, at most the people of 180 degree around can be allow to watch, and in angle
When poor position is watched, viewing effect can be also seriously affected, and in the technical solution that the invention provides, manhole cover body 2
Around 360 degree of people it can be seen that promotional content in manhole cover body 2, the range for publicizing viewing is wider, and from each
Angle watches the full content watched in display screen 21 that can clearly complete, and then can play preferable publicity
Effect；In addition, the setup cost of traditional publicity mode is higher, there are also many places to be all not permitted this advertisement a surname of setting
It passes, the sight of people around can be seriously affected, such as: the sight of surrounding resident man may be stopped by billboard, Jin Erhui
The life of surrounding resident is influenced, and the display screen 21 in present specification is then arranged in manhole cover body 2, it is mutually flat with ground
Together, be thus not in the problem of blocking sight, and the setting position of manhole cover body 2 will not be restricted, due to every
Can all there be well lid on road, be publicized in arbitrary street locations so the well lid of publicity can be set, Er Qiecheng
This is also lower, and maintenance is got up also easily；Finally, traditional billboard is when replacing promotional content, and it is very troublesome, need work
To make personnel to replace one by one, replacing construction is longer, and replacement cost is larger, and the innovation and creation that present specification provides,
It more convenient can carry out facilitating unified management in replacement publicity, when needing replacing promotional content, staff only needs to lead to
Crossing preset terminal device can remotely realize to showing that the promotional content of screen 21 replaces on well lid, but also can be with
Make the display screen 21 on multiple well lids around that identical promotional content be played simultaneously, plays better the effect of publicity.
When staff dismantles manhole cover body 2, during manhole cover body 2 and ground face contact, in manhole cover body 2
High vibration can occur for box body 22, be easy to damage the electronic component in box body 22 in this way, in order to solve this problem,
Optionally, limited post 23 is made of flexible rubber material.In the present embodiment, when the process of limited post 23 and ground face contact
In, since limited post 23 is made of flexible rubber material, the effect of damping can be played in this way, reduced in box body 22
The Vibration Condition of electronic component reduces the damage of electronic component, improves the service life of manhole lid device.
Further, the upper surface of manhole cover body 2 has solar panel, and well seat 1 is equipped with battery, and solar panel connects
It is connected to battery, battery is connected to electronic component and display screen 21 in box body 22, and solar panel is used to charge for battery.This
In embodiment, battery can have in solar panel, solar energy can be absorbed in solar panel when daytime, and will
Solar energy is converted into electric energy and is stored in battery, at night can be that the electronic component in manhole lid device is carried out by battery
Power supply, in addition, the solar panel carries out in use, solar panel at low temperature can not be just in order to prevent in winter in the north
It is often used, which can be made of low-temperature resistance material, and make to carry out between solar panel and manhole cover body 2
It is detachably connected, facilitates and dismantled.
Above-mentioned solar panel and the direct connection type of battery can there are many, optionally, in manhole cover body 2 have the
One touch control part, has the second touch control part in manhole cover body 2, and the first touch control part is connected to display screen 21 and electronic component, and second
Touch control part is connected to battery, when manhole cover body 2 is mutually closed with well seat 1, the first touch control part and the mutual touch-control of the second touch control part
Connection.In the present embodiment, when manhole cover body 2 is disassembled from well seat 1, the first touch control part and the second touch control part are mutually de-
From so battery stops being the display screen 21 in manhole cover body 2 and electronic component power supply, when manhole cover body 2 is mounted on well
When on seat 1, the first touch control part is connected with the mutual touch-control of the second touch control part, and such battery can be for display screen curtain 21 and electronics
Power elements can be convenient the disassembly of manhole cover body 2, avoided by the first touch control part and this connection type of the second touch control part
Influence the work of electronic component in manhole cover body 2.
Above-mentioned limited post 23 can also play the role of positioning other than the supporting role for assisting manhole cover body 2,
Specifically, there are multiple limiting slots on the well seat 1, and when the manhole cover body 2 capping is closed with the well seat 1, Duo Gesuo
The correspondence of limited post 23 is stated to be plugged in multiple limiting slots.In the embodiment of the present invention, after manhole cover body 2 disassembles, need
, can be by the corresponding multiple limiting slots that be inserted on well seat 1 in the end of multiple limited posts 23 when installing again, it thus can be with
Guarantee the accuracy that manhole cover body 2 is installed, improves the installation effectiveness of manhole cover body 2.
Further, limited post 23 is detachably connected with manhole cover body 2.Wherein, the lower surface of manhole cover body 2 is equipped with multiple
Threaded hole, the end of each limited post 23 have external screw thread, and multiple correspondences of limited post 23 are threadedly connected in multiple threaded holes.This
In embodiment, when needing to dismount electronic component, in order to avoid limited post 23 counteracts its disassembly process, in disassembly process
In, first limited post 23 can be disassembled from manhole cover body 2, then again by being dismounted to electronic component, wait dismount
After, then limited post 23 is mounted in manhole cover body 2, by above-mentioned structure setting, tearing open for electronic component can be improved
Efficiency is filled, avoids damaging electronic component.
Further, multiple manhole lid devices are distributed uniformly and circumferentially on the lower surface of the manhole cover body 2.
In the present embodiment, when manhole cover body 2 is placed on the ground, multiple 23 uniform stresseds of limited post can be made, avoid the occurrence of inclination
Phenomenon ensure that the safety of electronic component in box body 22.
The embodiment of the invention provides a kind of manhole lid devices to guarantee for improving electronic component safety in manhole cover body
The service life of manhole lid device.In the prior art, when staff is when overhauling manhole lid device, in order to overhaul conveniently, it will usually
On the ground that manhole cover body is disassembled from well seat, and is placed around, and it is equipped with since the bottom of manhole cover body has
The box body of electronic component, if the box body of manhole cover body will directly contact on ground, since the weight of manhole cover body is larger,
It is easy for box body to be squeezed and deformed, damages the intracorporal electronic component of box.Compared with prior art, the well lid dress that present specification provides
It sets including manhole cover body and well seat, box body is equipped on the lower surface of manhole cover body, there is electronic component in box body, in well lid sheet
Multiple limited posts are additionally provided with around body, when staff, which disassembles manhole cover body, to be placed on the ground, due to limit
The length of column is greater than the thickness of box body, so limited post can support on the ground, and box body is in vacant state, avoids and ground
It directly contacts, reduces the damage of electronic component in box body.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of manhole lid device characterized by comprising
Well seat and manhole cover body, have connection well head on the well seat, and the manhole cover body is covered in the connected well of the well seat
At mouthful, the upper surface of the manhole cover body has display screen, and the lower surface of the manhole cover body is equipped with box body and limited post, institute
The electronic component for being equipped in box body and connecting with the display screen is stated, the limited post is vertically fixed under the manhole cover body
Surface, the limited post be it is multiple, multiple limited posts are centered around around the box body, wherein the length of the limited post
Greater than the thickness of the box body.
2. manhole lid device according to claim 1, which is characterized in that
There is link block, the display screen is connected to the link block, and the display screen is for leading in the box body
The control signal outside the link block acquisition is crossed, to replace the broadcasting content of the display screen.
3. manhole lid device according to claim 1, which is characterized in that
The limited post is made of flexible rubber material.
4. manhole lid device according to claim 1, which is characterized in that
The upper surface of the manhole cover body has solar panel, and the well seat is equipped with battery, the solar panel connection
In the battery, the battery is connected to the intracorporal electronic component of the box and the display screen, and the solar panel is used
It charges in for the battery.
5. manhole lid device according to claim 4, which is characterized in that
There is the first touch control part in the manhole cover body, there is the second touch control part, first touch control part in the manhole cover body
It is connected to the display screen and the electronic component, second touch control part is connected to the battery, when the manhole cover body
When being mutually closed with the well seat, first touch control part is connect with the mutual touch-control of the second touch control part.
6. manhole lid device according to claim 5, which is characterized in that
There are multiple limiting slots on the well seat, when manhole cover body capping is closed with the well seat, multiple limits
Column correspondence is plugged in multiple limiting slots.
7. manhole lid device according to claim 1, which is characterized in that
The limited post is detachably connected with the manhole cover body.
8. manhole lid device according to claim 7, which is characterized in that
The lower surface of the manhole cover body is equipped with multiple threaded holes, and the end of each limited post has external screw thread, Duo Gesuo
Limited post correspondence is stated to be threadedly connected in multiple threaded holes.
9. manhole lid device according to claim 8, which is characterized in that
Multiple manhole lid devices are distributed uniformly and circumferentially on the lower surface of the manhole cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706007.9A CN109403383A (en) | 2017-08-17 | 2017-08-17 | Manhole lid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706007.9A CN109403383A (en) | 2017-08-17 | 2017-08-17 | Manhole lid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109403383A true CN109403383A (en) | 2019-03-01 |
Family
ID=65454803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710706007.9A Pending CN109403383A (en) | 2017-08-17 | 2017-08-17 | Manhole lid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109403383A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592718Y (en) * | 2002-11-14 | 2003-12-17 | 谢兆灿 | Antishock manhole cover |
| CN2784465Y (en) * | 2005-05-10 | 2006-05-31 | 邢建中 | Anti-shock manhole |
| CN201952816U (en) * | 2011-01-18 | 2011-08-31 | 张迎新 | Sealed well lid |
| CN203188239U (en) * | 2013-01-22 | 2013-09-11 | 卢苏燕 | Inspection well lid convenient to open |
| CN203625937U (en) * | 2013-10-28 | 2014-06-04 | 西安正武环保科技有限公司 | Safe and energy-saving sewer well lid |
| US20150343349A1 (en) * | 2014-05-30 | 2015-12-03 | Hy-Pro Corporation | High capacity filter element end cap |
| CN105625475A (en) * | 2016-01-04 | 2016-06-01 | 北京元正数据科技有限公司 | Intelligent manhole cover |
-
2017
- 2017-08-17 CN CN201710706007.9A patent/CN109403383A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592718Y (en) * | 2002-11-14 | 2003-12-17 | 谢兆灿 | Antishock manhole cover |
| CN2784465Y (en) * | 2005-05-10 | 2006-05-31 | 邢建中 | Anti-shock manhole |
| CN201952816U (en) * | 2011-01-18 | 2011-08-31 | 张迎新 | Sealed well lid |
| CN203188239U (en) * | 2013-01-22 | 2013-09-11 | 卢苏燕 | Inspection well lid convenient to open |
| CN203625937U (en) * | 2013-10-28 | 2014-06-04 | 西安正武环保科技有限公司 | Safe and energy-saving sewer well lid |
| US20150343349A1 (en) * | 2014-05-30 | 2015-12-03 | Hy-Pro Corporation | High capacity filter element end cap |
| CN105625475A (en) * | 2016-01-04 | 2016-06-01 | 北京元正数据科技有限公司 | Intelligent manhole cover |
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