CN104452945A - Plastic inspection well - Google Patents
Plastic inspection well Download PDFInfo
- Publication number
- CN104452945A CN104452945A CN201310426653.1A CN201310426653A CN104452945A CN 104452945 A CN104452945 A CN 104452945A CN 201310426653 A CN201310426653 A CN 201310426653A CN 104452945 A CN104452945 A CN 104452945A
- Authority
- CN
- China
- Prior art keywords
- arcs
- circular arc
- manhole
- connectors
- plastic cement
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a plastic inspection well and relates to the field of municipal facilities. The technical scheme includes that the plastic inspection well comprises a well body, a plurality of connectors are arranged on the circumference of the well body and used for connection with external pipelines, the inner walls of the connectors are partially raised outward to form grooves, the grooves are used for accommodating water swellable rubber rings and composed of arcs I and arcs II, the arcs I are arranged on the sides close to the ends of the connectors, the arcs II are arranged on the sides close to the well body, curvature radius of the arcs I decreases along the direction far away from the ends, and the arcs are quarter arcs. The plastic inspection well has the advantages that the grooves are composed of arcs, the arcs I are close to the ends of the connectors, and the curvature radius of the arcs I narrows along the direction far away from the ends, and therefore the pipelines are conveniently mounted and less prone to falling, leading to reliable connection; once contacting water, the water swellable rubber rings arranged in the grooves swell so as to quickly block clearances between the connectors and the pipelines, leading to good sealing performance.
Description
Technical field
The present invention relates to municipal facilities field, be specially a kind of plastic cement manhole.
Background technology
In recent years, along with the development of China's economic society, all parts of the country, all busy at putting up installations, repaiied bridge, build the road or are built various building.In all parts of the country while busy at putting up installations, a kind of emerging plastic cement manhole just progressively replaces traditional brick well, plastic cement manhole is the same with traditional brick well, be mainly used in rain, effluent discharge, underground utilities position is built at a certain distance, main confession maintainer people makes regular check on dredging pipeline, knows mud foreign matter, prevents line clogging etc., is one of urban road underground foundation facility.Effectively can prevent the plurality of advantages such as sewage permeation, protection underground water source, long service life and easy construction due to this emerging plastic cement manhole, generally be promoted the use widely in town and country construction.But existing report is pointed out, there are problems in novel plastic cement manhole in the type selecting of plastics, manufacture technics and structure thereof, cause that the connection of this kind of new type plastic manhole is unreliable, sealing performance is bad, insufficient strength, seam difficulty, therefore very easily sewage is revealed, thus polluted underground water source.
Summary of the invention
The object of the present invention is to provide and a kind ofly connect plastic cement manhole that is reliable, good seal performance, for solving the defect that plastic cement manhole is unreliable with the connection be connected between pipeline, sealing performance is bad existed in prior art.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of plastic cement manhole, comprise manhole body, manhole body is circumferentially with some interfaces for connecting exterior line, it is characterized in that: the internal partial wall outwardly convex of described interface forms the groove for placing water swelling rubber ring, and groove is by circular arc
and circular arc
two sections of circular arc compositions, circular arc
be close to the side, end of interface, circular arc
be close to manhole body side, circular arc
radius of curvature along reducing gradually away from end direction, circular arc
for quarter circular arc.
Further, the external surface of manhole body is provided with crisscross cross section is trapezoidal reinforcing rib.
Further, the inner circumferential surface of manhole body is provided with pedal support.
Beneficial effect of the present invention is:
1, groove is by circular arc
and circular arc
composition, circular arc
be close to the side, end of interface, its radius of curvature is along reducing gradually away from end direction, and make pipeline easy for installation, pipeline installs rear pipeline difficult drop-off, connects reliable; In groove, water swelling rubber ring is set, water-swellable, the gap between rapid clogging interface and pipeline, good seal performance.
2, the external surface of manhole body is provided with crisscross cross section is trapezoidal reinforcing rib, make the intensity of plastic cement manhole, rigidity is significantly improved, thus improve the application life of plastic cement manhole, and compared with being rectangle or rectangular reinforcing rib with cross section, more material-saving under identical intensity or rigidity.
3, the inner circumferential surface of manhole body is provided with pedal support, and maintainer, by the upper and lower manhole of this pedal support, overhauls already installed manhole.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is interface in the present invention and exterior line connection diagram;
Wherein Reference numeral is: 1-manhole body, 2-interface, 3-groove, 4-pedal support, 5-circular arc
, 6-circular arc
, 7-water swelling rubber ring, 8-exterior line.
Detailed description of the invention
Embodiment one
As shown in Figure 1, a kind of plastic cement manhole, comprises manhole body 1, and manhole body 1 is vertically placed in well.Manhole body 1 is circumferentially with some interfaces 2 for connecting exterior line 8, wherein has part of interface 2 in some interfaces 2 for spare interface 2.The internal partial wall outwardly convex of interface 2 forms groove 3, and this groove 3 is for placing water swelling rubber ring 7 when interface 2 is connected with exterior line 8.Groove 3 is by circular arc
5 and circular arc
6 two sections of circular arc compositions, circular arc
5 and circular arc
the radius of curvature of 6 two ends circular arcs is different, and the radius of curvature of same section of circular arc can immobilize, and also can gradually change with angle, in the present embodiment, and circular arc
the radius of curvature of 5 is just along with angle gradually changes, and circular arc
the radius of curvature of 6 is just selected to immobilize.Circular arc
5 are positioned at the side near interface 2 end, and circular arc
6 are positioned at the side near manhole body 1, and circular arc
the radius of curvature of 5 reduces gradually along the direction away from interface 2 end.
During installation, water swelling rubber ring 7 is in contraction state, is set on exterior line 8 by water swelling rubber ring 7, and is set with in interface 2 together with exterior line 8, is positioned at groove 3 to water swelling rubber ring 7.Also in advance water swelling rubber ring 7 can be overlapped house in groove 3, then exterior line 8 is sheathed in interface 2.Install in the process of exterior line, at the circular arc of same curvature radius
under the effect of 6, interface 2 can't produce downward pressure to water swelling rubber ring 7, is also unlikely to by stuck for water swelling rubber ring 7 between interface 2 and exterior line 8, stops the installation of exterior line 8.If be pulled outwardly exterior line 8 when installing or force exterior line 8 outwards to move, now at the circular arc of different curvature radius in effects such as current after installing
5 effects are first, due to circular arc
the radius of curvature edge of 5 reduces gradually away from end direction, circular arc
distance between 5 surfaces and interface 2 inner surface reduces gradually, and the amplitude that reduces reduces gradually, make exterior line 8 outwards motion drive water swelling rubber ring 7 outwards to move together, water swelling rubber ring 7 while outside motion, circular arc
5 constantly apply downward pressure to water swelling rubber ring 7, force water swelling rubber ring 7 to move downward, and constantly extrude exterior line 8, and finally stuck between interface 2 and exterior line 8, stop the continuation campaign of exterior line 8.By water swelling rubber ring 7, circular arc
5 and circular arc
6, the interface 2 that can realize plastic cement manhole is reliable with the connection of exterior line 8, and water swelling rubber ring 7 water-swellable, the gap between blocking interface 2 and exterior line 8, improves the sealing performance of plastic cement manhole.
Embodiment two
On the basis of embodiment one, the external surface of manhole body 1 is provided with crisscross reinforcing rib, by arranging reinforcing rib, improving intensity, the rigidity of plastic cement manhole, extending the application life of plastic cement manhole.The cross section of this reinforcing rib is preferably trapezoidal, makes itself and cross section be compared with rectangle or rectangular reinforcing rib, more material-saving under identical intensity or rigidity.The inner circumferential surface of manhole body 1 is provided with pedal support 4, and maintainer, by the upper and lower manhole of this pedal support 4, overhauls already installed manhole.
Claims (3)
1. a plastic cement manhole, comprise manhole body (1), manhole body (1) is circumferentially with some interfaces (2) for connecting exterior line (8), it is characterized in that: the internal partial wall outwardly convex of described interface (2) forms the groove (3) for placing water swelling rubber ring (7), and groove (3) is by circular arc
and circular arc (5)
(6) two sections of circular arc compositions, circular arc
(5) side, end of interface (2) is close to, circular arc
(6) manhole body (1) side is close to, circular arc
(5) radius of curvature edge reduces gradually away from end direction, circular arc
(6) be quarter circular arc.
2. plastic cement manhole as claimed in claim 1, is characterized in that: it is trapezoidal reinforcing rib that the external surface of manhole body (1) is provided with crisscross cross section.
3. plastic cement manhole as claimed in claim 1, is characterized in that: the inner circumferential surface of manhole body (1) is provided with pedal support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426653.1A CN104452945A (en) | 2013-09-18 | 2013-09-18 | Plastic inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426653.1A CN104452945A (en) | 2013-09-18 | 2013-09-18 | Plastic inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104452945A true CN104452945A (en) | 2015-03-25 |
Family
ID=52899638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310426653.1A Pending CN104452945A (en) | 2013-09-18 | 2013-09-18 | Plastic inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104452945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477764A (en) * | 2020-11-23 | 2021-03-12 | 南安智能蓝工业设计有限公司 | Intelligent lifting telescopic trunk device of pickup truck |
| JP7222143B1 (en) | 2022-10-11 | 2023-02-14 | 株式会社クボタケミックス | Seismic structure of pipelines |
-
2013
- 2013-09-18 CN CN201310426653.1A patent/CN104452945A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477764A (en) * | 2020-11-23 | 2021-03-12 | 南安智能蓝工业设计有限公司 | Intelligent lifting telescopic trunk device of pickup truck |
| JP7222143B1 (en) | 2022-10-11 | 2023-02-14 | 株式会社クボタケミックス | Seismic structure of pipelines |
| JP2024056308A (en) * | 2022-10-11 | 2024-04-23 | 株式会社クボタケミックス | Antiseismic structure of pipe line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |