CN206873500U - A kind of NEW TYPE OF COMPOSITE well lid - Google Patents
A kind of NEW TYPE OF COMPOSITE well lid Download PDFInfo
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- CN206873500U CN206873500U CN201720650076.8U CN201720650076U CN206873500U CN 206873500 U CN206873500 U CN 206873500U CN 201720650076 U CN201720650076 U CN 201720650076U CN 206873500 U CN206873500 U CN 206873500U
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- well lid
- main body
- lid main
- rubber
- regulation ring
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Abstract
The utility model discloses a kind of NEW TYPE OF COMPOSITE well lid, including well lid main body, the well lid body upper surface is provided with leaching modeling rubber surface layer, the leaching modeling rubber surface layer is integrally formed with uniform multiple cleats, the well lid body lower surface is bonded with rubber washer, the rubber washer is arranged in concrete regulation ring, and multiple columned first mounting holes are evenly equipped with inside the rubber washer, are fastened in the concrete regulation ring integrally formed with multiple columned mounting posts and first mounting hole.The well lid main body is placed directly in the concrete regulation ring, and the well lid main body is not allowed yielding compared to the edge frame member being separately provided；And using the shock-absorbing capacity of rubber washer, the well lid main body is avoided directly to contact generation sound of movement with the concrete regulation ring；Coordinated again using mounting hole and the mounting post, make the well lid main body be mounted so as to more stablize.Solve the problems, such as in the prior art because of the yielding and bad unlatching of the frame of well lid, the easy sound of movement of well lid.
Description
Technical field
Municipal inspection shaft well head locking device field is the utility model is related to, is a kind of NEW TYPE OF COMPOSITE well lid specifically.
Background technology
Since in recent years, original circular inspection well lid on the pavement of city is just progressively replaced by square well cover, it is new, change,
Road pavement is extended to design using square well cover, square well cover is easy for installation compared with round manhole cover, with pavement face brick pattern,
Color is close, and well lid combines together with periphery face brick, has " stealthy " effect, and pavement whole structure is more aesthetically pleasing, complete.
Square well cover structure type is mainly filled type well lid at present（A small amount of is high polymer composite material manhole lid）, well seat and
Well lid outer rim mainly uses aluminium alloy or stainless steel material, and well cover frame trench bottom is reinforcing bar concrete material, surface layer paste filling with
Pavement same material face brick or concrete.Although this filled type well lid has the advantages of attractive in appearance, construction cost is relatively low, near
Several years promote the use of sees following drawback be present：First, well lid is from great, a common 800mm*800mm*100mm filled type
Well lid weight reaches more than 160 kilograms, and well lid surrounding open hole easily blocks, and opens difficulty, causes aluminum frame to be easily deformed,
Inspection shaft overhauls and well lid safeguards inconvenience；Second, well lid bearing capacity is relatively low, common square well cover true qualities and packing material carrying
Power is only capable of reaching C15 grades, the road surface that part pavement is easily got on the bus, and it is excessive and deform, be broken to easily cause well lid load, to road
It is current to cause great potential safety hazard, increase well lid maintenance cost；Third, after well lid packing material defect, surface layer after repairing with
There is aberration, inconsistent phenomenon in original surface layer, very unsightly；Fourth, easily occur sticking up lame and producing and make an uproar between well lid and well seat
Sound.In summary, there is the shortcomings of high from great, unlatching difficulty, maintenance cost, easy sound of movement in traditional filled type well lid.In addition,
Also usually there is the stolen situation of well lid because it has certain economic value in existing well lid, well lid is stolen be not only through
Loss in Ji, exposed well head can also form great potential safety hazard to pedestrian, vehicle.
Utility model content
The purpose of this utility model is to provide a kind of NEW TYPE OF COMPOSITE well lid, and for solving in the prior art, well lid is bad
Open, be broken, easy sound of movement and it is easily stolen the shortcomings that.
The utility model is achieved through the following technical solutions：
A kind of NEW TYPE OF COMPOSITE well lid, including well lid main body, the well lid body upper surface are provided with leaching modeling rubber surface layer, institute
State leaching modeling rubber surface layer and be bonded with rubber washer integrally formed with uniform multiple cleats, the well lid body lower surface, institute
Rubber washer is stated in concrete regulation ring, multiple columned first mounting holes are evenly equipped with inside the rubber washer, it is described
Fastened in concrete regulation ring integrally formed with multiple columned mounting posts and first mounting hole.The well lid main body is directly put
It is placed in the concrete regulation ring, without unnecessary edge frame member, the well lid main body is overall compared to the frame structure being separately provided
Part, which has, does not allow the characteristics of yielding；And in the well lid body lower surface adhesive rubber packing ring, utilize the buffering of rubber washer
Performance, the well lid main body is avoided directly to contact generation sound of movement with the concrete regulation ring；One is set in the concrete regulation ring
The cylindric mounting post of shaping, and open up the first mounting hole inside the rubber washer and coordinate with the mounting post, make described
Well lid main body is mounted so as to more stablize.The edge frame member for solving well lid in the prior art yielding causes bad unlatching, well lid
The problem of easy sound of movement.
Preferably, the lower surface of the well lid main body is integrally formed with the rib type beam of groined type, the material of the well lid main body
Matter is spheroidal graphite cast-iron composite.The spheroidal graphite cast-iron composite be mainly used in automobile, tractor, internal combustion engine etc. bent axle,
Camshaft, and Middle pressure valve of universal machine etc., spheroidal graphite cast-iron composite is used for well lid main body by inventor spy, because it has
The characteristics of intensity is high, toughness is strong, the well lid main body is unlikely to deform, non-breakable, then sets one below the well lid main body
Body formed groined type rib type beam, strengthen the integral rigidity and anti-pressure ability of the well lid main body, solve well lid in the prior art
Easily it is pressurized the problem of broken.
Preferably, manhole is offered in the well lid main body, the manhole is to be arranged in the well lid
Symmetrical two of portion.By setting the manhole, it is easy to use instrument to open the well lid main body.
Preferably, theftproof lock is installed, the lock core of the theftproof lock is consolidated in the manhole opened up in the well lid main body
Surely drive shaft of the termination with gear, the drive shaft and the anti-thefting strip drive connection with chute are connected with, is set in the chute
There is rack, the gear is connected in the chute and engaged with rack, offered in the concrete regulation ring and the anti-thefting strip
Adaptable bar hole；One end weight merga pass sliding sleeve connection of two anti-thefting strips.By setting the theftproof lock, do not having
In the case of having key, the anti-thefting strip is stuck in the bar hole of the concrete regulation ring, and the well lid main body can not be opened；Need
During unlatching, using theftproof lock described in key turns, the drive shaft with gear follows the lock core of the theftproof lock to rotate, driving
The anti-thefting strip with rack is mobile to centre, and the anti-thefting strip removes the bar hole, and the well lid main body loses vertical limit
System, so as to which the well lid main body is extracted into well head, solve the problems, such as that well lid is easily stolen in the prior art.
Preferably, fix bar is provided with the middle part of the well lid main body, the fix bar lower end is fixedly connected with the sliding sleeve.
By the fix bar, the anti-thefting strip and the connection of the well lid main body are more firm, and anti-theft effect is more preferable.
Preferably, be additionally provided with rubber base between the rubber washer and the concrete regulation ring, the rubber base with it is described
Concrete regulation ring is adhesively fixed by pitch, and multiple second mounting holes are provided with the rubber base and are fastened with the mounting post, institute
The second mounting hole is stated to be adapted with first mounting hole.By setting up rubber between the rubber washer and the concrete regulation ring
Rubber base, the rubber washer and the well lid main body are bonded as one, and the rubber base and the concrete regulation ring are bonded as one,
So that well lid is contact of the rubber with rubber with the contact surface of well seat, it further enhancing the utility model and be not easy the beneficial of sound of movement
Effect.
Preferably, the well lid main body, the thickness of rubber washer are less than or equal to 10cm, and the thickness of the rubber base is less than etc.
In 7cm, the thickness of the concrete regulation ring is adjustable, passes through cement mortar or mixed with the masonry structure or concrete structure of the well head
Solidifying soil connection, the well lid main body, rubber washer, rubber base and concrete regulation ring gross thickness for ground to well head depth.One
As in the case of, well head is located at the basic unit on the road surface, it is well known that steady layer of water, levelling is at least there is provision of above sub-surface
Layer, mortar adhesive linkage, top course, therefore the thickness of the sub-surface to top course is more than 20cm, the well lid master
The thickness of body, rubber washer and rubber base is less than or equal to 17cm, because the thickness of the concrete regulation ring can adjust, therefore can ensure
The well lid main body is smooth excessively with the top course, prevents ponding above the well lid main body, or due to the well lid master
Body causes pedestrian easily to step on potential safety hazard that is empty or falling less than top course.
Preferably, the raised edge for wrapping up the well lid main body, the material of the rubber washer around the rubber washer
To vulcanize neoprene.The edge of the well lid main body is wrapped up by the rubber washer, prevent the well lid main body with it is described
Top course directly contacts, and further enhances the beneficial effect that the utility model is not easy sound of movement.Further, since vulcanization neoprene
With good physical and mechanical properties, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent, the rubber
Rubber gasket is non-aging, is not easy by blocking under warming, once rubber washer aging, by the rubber washer after aging from the well lid main body
Upper rejecting, and by the well lid main body wiped clean, the rubber washer is changed, cost is cheap, is easy to repair.
Preferably, the material of the rubber base is vulcanization neoprene.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）The well lid main body is placed directly in the concrete regulation ring, without unnecessary edge frame member, the well lid master
Body entirety has compared to the edge frame member being separately provided does not allow the characteristics of yielding；And it is bonded in the well lid body lower surface
Rubber washer, using the shock-absorbing capacity of rubber washer, the well lid main body is avoided directly to contact generation sound with the concrete regulation ring
It is dynamic；Integrally formed cylindric mounting post is set in the concrete regulation ring, and the first peace is opened up inside the rubber washer
Fill hole with the mounting post to coordinate, make the well lid main body be mounted so as to more stablize.Solves the frame of well lid in the prior art
Component is yielding cause it is bad open, well lid easy sound of movement the problem of.
（2）The spheroidal graphite cast-iron composite is mainly used in the bent axle of automobile, tractor, internal combustion engine etc., camshaft, and logical
Middle pressure valve with machinery etc., spheroidal graphite cast-iron composite is used for well lid main body by inventor spy, because it has intensity height, toughness
The characteristics of strong, the well lid main body is unlikely to deform, non-breakable, then integrally formed well word is set below the well lid main body
Shape rib type beam, strengthen the integral rigidity and anti-pressure ability of the well lid main body, solve well lid in the prior art and be easily pressurized what is crushed
Problem.
（3）By setting the manhole, it is easy to use instrument to open the well lid main body.
（4）By setting the theftproof lock, in the case of no key, the anti-thefting strip is stuck in the concrete regulation ring
In bar hole, the well lid main body can not be opened；When needing to open, using theftproof lock described in key turns, with described in gear
Drive shaft follows the lock core of the theftproof lock to rotate, and drives the anti-thefting strip with rack mobile to centre, the anti-thefting strip moves
Go out the bar hole, the well lid main body loses vertical limitation, so as to which the well lid main body is extracted into well head, solves existing
The problem of well lid is easily stolen in technology.
（5）By the fix bar, the anti-thefting strip and the connection of the well lid main body are more firm, and anti-theft effect is more
It is good.
（6）By setting up rubber base between the rubber washer and the concrete regulation ring, the rubber washer and described
Well lid main body is bonded as one, and the rubber base and the concrete regulation ring are bonded as one, so as to the contact surface of well lid and well seat
For contact of the rubber with rubber, the beneficial effect that the utility model is not easy sound of movement further enhancing.
（7）Generally, well head is located at the basic unit on the road surface, it is well known that at least also to be set above sub-surface
Steady layer of water, screed-coat, mortar adhesive linkage, top course are put, therefore generally, the thickness of the sub-surface to top course
Spend for more than 20cm, the well lid main body, the thickness of rubber washer and rubber base and less than or equal to 17cm, because the concrete is adjusted
The thickness of ring can adjust, therefore can ensure that the well lid main body is smooth excessively with the top course, prevent the well lid main body
Top ponding, or cause pedestrian easily to step on potential safety hazard that is empty or falling because the well lid main body is less than top course.
（8）The edge of the well lid main body is wrapped up by the rubber washer, prevents the well lid main body and the road surface
Surface layer directly contacts, and further enhances the beneficial effect that the utility model is not easy sound of movement.Further, since neoprene has well
Physical and mechanical properties, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent, the rubber washer is not
It is easy to aging, be not easy by blocking under warming, once rubber washer aging, the rubber washer after aging is rejected from the well lid main body,
And by the well lid main body wiped clean, the rubber washer is changed, cost is cheap, is easy to repair.
Brief description of the drawings
Fig. 1 is planar structure schematic diagram of the present utility model；
Fig. 2 is the top view of concrete regulation ring；
Fig. 3 is the top view of well lid main body；
Fig. 4 is the upward view of well lid main body；
Fig. 5 is Fig. 3 front view；
Fig. 6 is A-A profiles in Fig. 2；
Fig. 7 is B-B profiles in Fig. 3；
Fig. 8 is C-C profiles in Fig. 3；
Fig. 9 is Standard figure of the present utility model；
Figure 10 is D-D profiles in Fig. 5；
Figure 11 is E magnified partial views in Figure 10；
Wherein 1- well lids main body；2- rubber washers；3- rubber bases；4- concrete regulation rings；11- leaching modeling rubber surface layers；12-
Rib type beam；13- theftproof locks；14- drive shafts；15- anti-thefting strips；16- fix bars；The mounting holes of 21- first；The mounting holes of 31- second；
41- mounting posts.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
With reference to shown in accompanying drawing 1-4, a kind of NEW TYPE OF COMPOSITE well lid, including well lid main body 1, the upper surface of well lid main body 1 are set
Leaching modeling rubber surface layer 11 is equipped with, the leaching modeling rubber surface layer 11 is integrally formed with uniform multiple cleats, the well lid main body 1
Lower surface is bonded with rubber washer 2, and the rubber washer 2 is arranged in concrete regulation ring 4, is evenly equipped with inside the rubber washer 2
Multiple columned first mounting holes 21, in the concrete regulation ring 4 integrally formed with multiple columned mounting posts 41 with it is described
First mounting hole 21 fastens.
Principle of the present utility model is expanded on further below：
The concrete regulation ring 4 is bonded in the masonry protection or concrete support of well head by mortar or concrete,
The well lid main body 1 is directly installed in the concrete regulation ring 4 by rubber washer 2, first set in the rubber washer 2
Mounting hole 21 is directed at the mounting post 41 set in the concrete regulation ring 4.
The well lid main body 1 is placed directly in the concrete regulation ring 4, without unnecessary edge frame member, the well lid master
The entirety of body 1 has compared to the edge frame member being separately provided does not allow the characteristics of yielding；And glued in the lower surface of well lid main body 1
Rubber washer 2 is connect, using the shock-absorbing capacity of rubber washer 2, avoids the well lid main body 1 from directly being contacted with the concrete regulation ring 4
Produce sound of movement；Integrally formed cylindric mounting post 41 is set in the concrete regulation ring 4, and inside the rubber washer 2
Open up the first mounting hole 21 with the mounting post 41 to coordinate, make the well lid main body 1 be mounted so as to more stablize.Solves existing skill
In art the edge frame member of well lid it is yielding cause it is bad open, well lid easy sound of movement the problem of.
Further, the lower surface of the well lid main body 1 is integrally formed with the rib type beam 12 of groined type, the well lid main body
1 material is spheroidal graphite cast-iron composite.
The spheroidal graphite cast-iron composite is mainly used in the bent axle of automobile, tractor, internal combustion engine etc., camshaft, and general
Middle pressure valve of machinery etc., spheroidal graphite cast-iron composite is used for well lid main body 1 by inventor spy, because it has intensity height, toughness
The characteristics of strong, the well lid main body 1 is unlikely to deform, non-breakable, then sets integrally formed well below the well lid main body 1
Font rib type beam 12, strengthen the integral rigidity and anti-pressure ability of the well lid main body 1, solve well lid in the prior art and easily crushed
The problem of broken.
Further, manhole is offered in the well lid main body 1, the manhole is to be arranged at the well lid
Symmetrical two of middle part.By setting the manhole, it is easy to use instrument to open the well lid main body 1.
Embodiment 2：
On the basis of embodiment 1, with reference to shown in accompanying drawing 4,5, installed in the manhole that is opened up in the well lid main body 1
There is theftproof lock 13, the lock core of the theftproof lock 13 is fixedly connected with drive shaft 14 of the termination with gear, the drive shaft 14 and band
The drive connection of anti-thefting strip 15 of chute, as shown in Figure 10,11, rack is provided with the chute, the gear is connected to described
Engaged in chute and with rack, the bar hole being adapted with the anti-thefting strip 15 is offered in the concrete regulation ring 4；Described in two
One end weight merga pass sliding sleeve connection of anti-thefting strip 15.
By setting the theftproof lock 13, in the case of no key, the anti-thefting strip 15 is stuck in the concrete regulation ring 4
Bar hole in, the well lid main body 1 can not be opened；When needing to open, using theftproof lock 13 described in key turns, with gear
The drive shaft 14 follows the lock core of the theftproof lock 13 to rotate, and drives the anti-thefting strip 15 with rack mobile to centre, institute
State anti-thefting strip 15 and remove the bar hole, the well lid main body 1 loses vertical limitation, so as to which the well lid main body 1 is pulled out
Go out well head, solve the problems, such as that well lid is easily stolen in the prior art.
Further, as shown in Figure 5, Figure 9, the middle part of the well lid main body 1 is provided with fix bar 16, under the fix bar 16
End is fixedly connected with the sliding sleeve.By the fix bar 16, the anti-thefting strip 15 and the connection of the well lid main body 1 are more steady
Gu anti-theft effect is more preferable.
Further, rubber base 3, the rubber base 3 are additionally provided between the rubber washer 2 and the concrete regulation ring 4
It is adhesively fixed with the concrete regulation ring 4 by pitch, multiple second mounting holes 31 and the installation is provided with the rubber base 3
Post 41 is fastened, and second mounting hole 31 is adapted with first mounting hole 21.By in the rubber washer 2 and the concrete
Rubber base 3 is set up between regulation ring 4, the rubber washer 2 and the well lid main body 1 are bonded as one, the rubber base 3 and institute
State concrete regulation ring 4 to be bonded as one, so that well lid is contact of the rubber with rubber with the contact surface of well seat, further enhancing this
Utility model is not easy the beneficial effect of sound of movement.
Embodiment 3：
On the basis of embodiment 1 or 2, the well lid main body, the thickness of rubber washer are less than or equal to 10cm, the rubber
The thickness of seat is less than or equal to 7cm, and the thickness of the concrete regulation ring is adjustable, leads to the masonry structure or concrete structure of the well head
Cross cement mortar or concrete connection, the well lid main body, rubber washer, the gross thickness of rubber base and concrete regulation ring for ground extremely
The depth of well head.
Generally, well head is located at the basic unit on the road surface, it is well known that at least there is provision of water above sub-surface
Steady layer, screed-coat, mortar adhesive linkage, top course, therefore generally, the thickness of the sub-surface to top course is
More than 20cm, the well lid main body 1, the thickness of rubber washer 2 and rubber base 3 and less than or equal to 17cm, because the concrete is adjusted
The thickness of ring 4 can adjust, therefore can ensure that the well lid main body 1 is smooth excessively with the top course, prevent the well lid master
The top ponding of body 1, or because the safety that the well lid main body 1 causes pedestrian easily to step on sky or fall less than top course is hidden
Suffer from.
Further, the raised edge for wrapping up the well lid main body 1 of the surrounding of rubber washer 2, the rubber washer 2
Material is vulcanization neoprene.The edge of the well lid main body 1 is wrapped up by the rubber washer 2, prevents the well lid main body 1
Directly contacted with the top course, further enhance the beneficial effect that the utility model is not easy sound of movement.Further, since vulcanization chlorine
Buna has good physical and mechanical properties, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent.
Inventor especially makes the rubber washer 2 using vulcanization neoprene, and the rubber washer 2 is non-aging, is not easy by hot sticky
Even, once the aging of rubber washer 2, the rubber washer 2 after aging is rejected from the well lid main body 1, and by the well lid master
The wiped clean of body 1, the rubber washer 2 is changed, cost is cheap, is easy to repair.
Further, the material of the rubber base 3 is vulcanization neoprene.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (9)
1. a kind of NEW TYPE OF COMPOSITE well lid, including well lid main body（1）, it is characterised in that the well lid main body（1）Upper surface is provided with
Leaching modeling rubber surface layer（11）, the leaching modeling rubber surface layer（11）Integrally formed with uniform multiple cleats, the well lid main body
（1）Lower surface is bonded with rubber washer（2）, the rubber washer（2）Installed in concrete regulation ring（4）On, the rubber washer（2）
Inside is evenly equipped with multiple columned first mounting holes（21）, the concrete regulation ring（4）On integrally formed with multiple columned
Mounting post（41）With first mounting hole（21）Fasten.
A kind of 2. NEW TYPE OF COMPOSITE well lid according to claim 1, it is characterised in that the well lid main body（1）Lower surface
Integrally formed with the rib type beam of groined type（12）, the well lid main body（1）Material be spheroidal graphite cast-iron composite.
A kind of 3. NEW TYPE OF COMPOSITE well lid according to claim 1 or 2, it is characterised in that the well lid main body（1）On open up
There is manhole, the manhole is symmetrical two of middle part for being arranged at the well lid.
A kind of 4. NEW TYPE OF COMPOSITE well lid according to claim 3, it is characterised in that the well lid main body（1）On open up
Theftproof lock is installed in manhole（13）, the theftproof lock（13）Lock core be fixedly connected with drive shaft of the termination with gear
（14）, the drive shaft（14）With the anti-thefting strip with chute（15）Drive connection, rack, the gear are provided with the chute
It is connected in the chute and is engaged with rack, the concrete regulation ring（4）On offer and the anti-thefting strip（15）Adaptable
Bar hole；Two anti-thefting strips（15）One end weight merga pass sliding sleeve connection.
A kind of 5. NEW TYPE OF COMPOSITE well lid according to claim 4, it is characterised in that the well lid main body（1）Middle part is set
There is fix bar（16）, the fix bar（16）Lower end is fixedly connected with the sliding sleeve.
6. according to a kind of NEW TYPE OF COMPOSITE well lid described in any one of claim 1,2,4,5, it is characterised in that the rubber blanket
Circle（2）With the concrete regulation ring（4）Between be additionally provided with rubber base（3）, the rubber base（3）With the concrete regulation ring（4）It is logical
Cross pitch to be adhesively fixed, the rubber base（3）On be provided with multiple second mounting holes（31）With the mounting post（41）Fasten, institute
State the second mounting hole（31）With first mounting hole（21）It is adapted.
A kind of 7. NEW TYPE OF COMPOSITE well lid according to claim 6, it is characterised in that the well lid main body（1）, rubber washer
（2）Thickness be less than or equal to 10cm, the rubber base（3）Thickness be less than or equal to 7cm, the concrete regulation ring（4）Thickness can
Adjust, be connected with the masonry structure or concrete structure of well head by cement mortar or concrete, the well lid main body（1）, rubber
Packing ring（2）, rubber base（3）With concrete regulation ring（4）Gross thickness for ground to well head depth.
8. according to a kind of NEW TYPE OF COMPOSITE well lid described in any one of claim 1,2,4,5,7, it is characterised in that the rubber
Packing ring（2）Surrounding is raised to wrap up the well lid main body（1）Edge, the rubber washer（2）Material for vulcanization neoprene.
A kind of 9. NEW TYPE OF COMPOSITE well lid according to claim 8, it is characterised in that the rubber base（3）Material be sulphur
Change neoprene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650076.8U CN206873500U (en) | 2017-06-06 | 2017-06-06 | A kind of NEW TYPE OF COMPOSITE well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650076.8U CN206873500U (en) | 2017-06-06 | 2017-06-06 | A kind of NEW TYPE OF COMPOSITE well lid |
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| Publication Number | Publication Date |
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| CN206873500U true CN206873500U (en) | 2018-01-12 |
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ID=61338067
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| CN201720650076.8U Active CN206873500U (en) | 2017-06-06 | 2017-06-06 | A kind of NEW TYPE OF COMPOSITE well lid |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487893A (en) * | 2018-11-13 | 2019-03-19 | 南宁学院 | A kind of multilayer drainage manhole cover |
-
2017
- 2017-06-06 CN CN201720650076.8U patent/CN206873500U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487893A (en) * | 2018-11-13 | 2019-03-19 | 南宁学院 | A kind of multilayer drainage manhole cover |
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Effective date of registration: 20200909 Address after: 610000 No.2, 1st floor, building 2, No.80, Yinsha Road, waiguangrong community, Jinniu District, Chengdu, Sichuan Province 610000 Patentee after: Sichuan Dazheng Xintai Municipal Facilities Management Co.,Ltd. Address before: 610000 No. 18, No. 6, No. 6, No. 3, North third section, Jinniu District first ring road, Sichuan Province Patentee before: Zhang Bing |
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