CN212840024U - HDPE steel band reinforced helical bellows structure with access hole - Google Patents
HDPE steel band reinforced helical bellows structure with access hole Download PDFInfo
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- CN212840024U CN212840024U CN202021681328.1U CN202021681328U CN212840024U CN 212840024 U CN212840024 U CN 212840024U CN 202021681328 U CN202021681328 U CN 202021681328U CN 212840024 U CN212840024 U CN 212840024U
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Abstract
The utility model discloses a HDPE steel band reinforcing helical bellows structure of area access hole belongs to tubular product technical field, including the pipe main part, be equipped with the access hole in the pipe main part, be equipped with the access flap on the access hole, access flap department still is equipped with fixed cover. This technical scheme has set up the access hole structure in the pipe main part to seal through the access flap, the spiral ripple structure on make full use of helical bellows surface simultaneously sets up the fixed cover structure of interior spiral groove, realizes screw-thread fit with the helical bellows surface, compresses tightly fixedly to the access flap, guarantees simultaneously that the ring rigidity of this position is not influenced, strengthens to some extent even. Through this structure for pipeline inspection or pipeline mediation operation can be realized through the excavation and the simple operation of minimum area during the pipeline maintenance, have reduced the maintenance degree of difficulty and have examined the reliance to auxiliary assembly and instrument.
Description
Technical Field
The utility model belongs to the technical field of tubular product, a helical bellows is related to, especially, relate to a HDPE steel band reinforcing helical bellows structure of taking access hole.
Background
The traditional cement drainage pipeline has some defects in application, such as strong brittleness, easy cracking or breaking if the pipeline is buried underground and has geological changes such as settlement, and the like. The HDPE steel band reinforced spiral corrugated pipe has high ring rigidity, the cost is not higher than that of the traditional cement pipeline, and the connection is more convenient than that of the traditional cement pipeline, so that the HDPE steel band reinforced spiral corrugated pipe is popularized and applied to the fields of buried drainage, pollution discharge and the like in municipal construction.
The length of a finished product of the HDPE steel band reinforced spiral corrugated pipe is limited, and the HDPE steel band reinforced spiral corrugated pipe is formed by connecting a plurality of HDPE steel band reinforced spiral corrugated pipes, and the connection mode of the HDPE steel band reinforced spiral corrugated pipe is generally electrothermal fusion connection, thermal contraction band connection, internal and external extrusion welding or various connection combinations, so that the connection is reliable and is not easy to leak. However, it can be seen that the above-mentioned connection modes are all fixed connections, and are not detachable after connection.
Because the HDPE steel strip reinforced spiral corrugated pipe is used in the field of drainage and pollution discharge, if the pipe is silted and blocked and needs to be checked and dredged, the pipe needs to be cut off and then operated, but the caliber of the pipe is usually larger, the pipe is very difficult to cut off or reconnect, the technical difficulty is high, the workload is also high, and the requirement on auxiliary equipment is also high; the maintenance opening is directly additionally arranged on the pipeline, and the ring rigidity at the position is greatly reduced.
Chinese utility model with application number CN200920102449.3 discloses a flexible PE steel belt reinforced spiral corrugated pipe connecting pipe fitting made of high elastic rubber, which comprises an upper half body, a lower half body and a sealing element, the inner surface of the sealing element is matched with the outer surface of the PE steel band reinforced spiral corrugated pipe, the length of the sealing element is at least as long as the three corrugation intervals of the PE steel band reinforced spiral corrugated pipe, the inner diameter of the sealing element is slightly smaller than the outer diameter of a corrugation groove of the PE steel band reinforced spiral pipe in a natural state, the sealing element is sleeved at the interface of the left PE steel band reinforced spiral corrugated pipe and the right PE steel band reinforced spiral corrugated pipe, a huff connecting body formed by an upper huff body and a lower huff body of the sealing element is connected and reinforced through a bolt and nut connecting piece, and the inner surface of the sealing element is elastically sealed with the outer surfaces of the left PE. The flexible PE steel band reinforced spiral corrugated pipe connecting pipe fitting is simple in structure and convenient to construct. Compared with the traditional fixed connection mode, the scheme is easy to realize and is detachable, but the two interfaces are staggered in a limited space even after the connection is released, so that great difficulty exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a HDPE steel band reinforcing spiral bellows structure of area access hole to realize conveniently examining the mediation, do not influence the effect of the whole ring rigidity of pipeline again.
The utility model discloses a realize through following technical scheme.
The utility model provides a take HDPE steel band reinforcing helical bellows structure of access hole, includes the pipe main part, be equipped with the access hole in the pipe main part, be equipped with the access flap on the access hole, access flap department still is equipped with fixed cover.
The inner wall of the fixed sleeve is provided with a spiral groove, and the spiral groove is matched with a spiral corrugated structure on the outer surface of the pipe main body.
A sealing ring is arranged between the access hole and the access opening cover, and the sealing ring is arranged in a sealing groove of the contact surface of the edge of the access hole and the access opening cover.
The maintenance cover is provided with a cover body groove, and a cover lifting cross rod is further arranged in the cover body groove.
The anti-skid device is characterized in that a plurality of anti-skid protrusions are arranged on the outer wall of the fixed sleeve and are of axially extending strip-shaped structures and are uniformly distributed on the outer wall of the fixed sleeve along the circumferential direction.
The fixing sleeve is made of the same material as the pipe main body.
The axial length of the fixing sleeve exceeds the surface corrugations of the pipe body at the two ends of the access hole and covers at least one corrugation at the two ends of the access hole respectively.
The utility model has the advantages that:
a HDPE steel band reinforcing spiral ripple tubular construction of area access hole, set up the access hole structure in the pipe main part to seal through the access flap, the spiral ripple structure on make full use of spiral ripple pipe surface simultaneously sets up the fixed cover structure of spiral groove, realizes screw-thread fit with spiral ripple pipe surface, compresses tightly fixedly to the access flap, guarantees simultaneously that the ring rigidity of this position is not influenced, strengthens to some even. Through this structure for pipeline inspection or pipeline mediation operation can be realized through the excavation and the simple operation of minimum area during the pipeline maintenance, have reduced the maintenance degree of difficulty and have examined the reliance to auxiliary assembly and instrument.
This technical scheme simple structure, easy realization is applicable to the HDPE steel band reinforcing helical bellows of various bores and connects, also is applicable to the condition that steel band reinforcing helical bellows used in fields such as drainage blowdown, electric power communication pipeline, and solid fixed ring realizes standardized production easily, and the installation is nimble simple and convenient, is favorable to reducing the cost and the intensity of labour of pipeline maintenance more.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-pipe main body, 2-fixing sleeve, 201-spiral groove, 202-anti-skid bulge, 3-access cover, 301-cover body groove, 302-cover lifting cross rod, 4-sealing ring and 5-access hole.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of protection claimed is not limited to the description.
As shown in figure 1, a take HDPE steel band reinforcing spiral bellows structure of access hole, including pipe main part 1, be equipped with access hole 5 on the pipe main part 1, be equipped with access hole lid 3 on the access hole 5 for seal access hole 5, access hole lid 3 department still is equipped with fixed cover 2, is used for fixed access hole lid 3, and guarantees the ring rigidity of access hole 5 department.
The inner wall of the fixed sleeve 2 is provided with a spiral groove 201, and the spiral groove 201 is matched with the spiral corrugated structure on the outer surface of the pipe main body 1. Here, the spiral corrugated structure of the spiral corrugated tube is fully utilized, which is equivalent to thread fit, and the fixing sleeve 2 can be axially moved on the tube main body 1 to reach or leave the position of the access hole 5 by rotating the fixing sleeve 2.
Be equipped with sealing washer 4 between inspection hole 5 and the access flap 3, sealing washer 4 is installed in the seal groove of 5 edges in inspection hole and 3 contact surfaces of access flap, compresses tightly back with access flap 3 through fixed cover 2, seals inspection hole 5, prevents the seepage.
Be equipped with lid recess 301 on maintenance flap 3, make maintenance flap 3 department level and smooth, do not interfere the installation of fixed cover 2, still be equipped with in the lid recess 301 and play and cover horizontal pole 302. When the access cover 3 needs to be opened, the cover lifting cross rod 302 is hooked by a hook-shaped tool and pulled upwards, and the access cover 3 can be opened.
Be equipped with a plurality of non-slip raised 202 on the outer wall of fixed cover 2, non-slip raised 202 is axial extension's bar structure to along circumference evenly distributed on fixed cover 2 outer wall. When the fixing sleeve 2 is rotated, the tool is used for clamping and pulling to prevent slipping.
The fixing sleeve 2 is made of the same material as the pipe main body 1 so as to ensure the ring rigidity at the position of the access hole 5 and make the whole pipe main body 1 look complete and beautiful.
The axial length of the fixed sleeve 2 exceeds the surface ripples of the pipe main body 1 at the two ends of the access hole 5, and covers at least 2 ripples at the two ends of the access hole 5 respectively to ensure the fixation reliability. The installation should ensure that the access hole 5 is located at the upper part of the pipe body 1.
Examples
As shown in fig. 1, during installation, the two end ports of the finished product of the HDPE steel strip reinforced helical bellows are opposite, the pipe body 1 is rotated circumferentially to enable the position of the manhole 5 to be at the upper part, and then the two end ports of the HDPE steel strip reinforced helical bellows are connected in a manner of electric hot melt connection, thermal contraction band connection and internal and external extrusion welding according to engineering conditions. After the connection is finished and the reliable sealing is checked, the landfill or the covering is carried out, and the position of the access hole 5 is marked on the ground.
When needing to inspect or dredge, excavate the position of inspection hole 5, with fixed cover 2 of supplementary rotation of instrument, make fixed cover 2 move to arbitrary end, expose maintenance flap 3, catch on the lid horizontal pole 302 that rises in the body recess 301 on maintenance flap 3 with hook-shaped instrument, pull up, open maintenance flap 3, inspect or dredge the operation. After the work is finished, cleaning the edges of the access cover 3 and the access hole 5, and installing and pressing the access cover 3 back; the fixed sleeve 2 is rotated to enable the fixed sleeve 2 to move towards the access hole 5, and the access hole 5 is covered and fixed again. And (5) burying or covering the excavation position again to finish the operation.
Because of the different conditions of drainage pipe laying, can directly lay under silt foundation, also can install in the concrete trench of having built, no matter what kind of scene is used, all need obviously mark the position of inspection hole 5 place to reduce the work load of looking for inspection hole 5 when inspection or mediation. When the HDPE steel strip reinforced spiral corrugated pipe is used in the fields of power pipelines, communication pipelines and the like, the technical scheme can be adopted.
The above-mentioned embodiments are merely exemplary, so as to enable those skilled in the art to better understand the technical solution, and should not be construed as limiting the scope of the present invention, and all modifications and simple substitutions made according to the technical solution of the present invention fall within the scope of the present invention.
Claims (7)
1. The utility model provides a take HDPE steel band reinforcing helical bellows structure of access hole, includes pipe main part (1), its characterized in that: be equipped with access hole (5) on pipe main part (1), be equipped with on access hole (5) and overhaul flap (3), overhaul flap (3) department still is equipped with fixed cover (2).
2. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: the inner wall of the fixed sleeve (2) is provided with a spiral groove (201), and the spiral groove (201) is matched with a spiral corrugated structure on the outer surface of the pipe main body (1).
3. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: be equipped with sealing washer (4) between inspection hole (5) and access flap (3), sealing washer (4) are installed in the seal groove of access hole (5) edge and access flap (3) contact surface.
4. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: be equipped with lid recess (301) on maintenance flap (3), still be equipped with in lid recess (301) and play and cover horizontal pole (302).
5. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: be equipped with a plurality of anti-skidding archs (202) on fixed cover (2) outer wall, anti-skidding arch (202) are axial extension's bar structure to along circumference evenly distributed on fixed cover (2) outer wall.
6. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: the fixed sleeve (2) is made of the same material as the pipe main body (1).
7. The HDPE steel strip reinforced spiral corrugated pipe structure with the access hole as claimed in claim 1, wherein: the axial length of the fixed sleeve (2) exceeds the surface ripples of the pipe main body (1) at the two ends of the access hole (5), and at least 2 ripples at the two ends of the access hole (5) are respectively covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021681328.1U CN212840024U (en) | 2020-08-13 | 2020-08-13 | HDPE steel band reinforced helical bellows structure with access hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021681328.1U CN212840024U (en) | 2020-08-13 | 2020-08-13 | HDPE steel band reinforced helical bellows structure with access hole |
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| CN212840024U true CN212840024U (en) | 2021-03-30 |
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| CN202021681328.1U Active CN212840024U (en) | 2020-08-13 | 2020-08-13 | HDPE steel band reinforced helical bellows structure with access hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094486A (en) * | 2021-11-30 | 2022-02-25 | 广东电网有限责任公司东莞供电局 | Outdoor GIS drive mechanism protector |
-
2020
- 2020-08-13 CN CN202021681328.1U patent/CN212840024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094486A (en) * | 2021-11-30 | 2022-02-25 | 广东电网有限责任公司东莞供电局 | Outdoor GIS drive mechanism protector |
| CN114094486B (en) * | 2021-11-30 | 2024-04-30 | 广东电网有限责任公司东莞供电局 | Outdoor GIS drive mechanism protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: HDPE steel strip reinforced spiral bellows structure with manhole Effective date of registration: 20220627 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2022980008979 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230704 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2022980008979 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A HDPE steel strip reinforced spiral corrugated pipe structure with manhole Effective date of registration: 20230707 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2023520000033 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |