CN216242940U - Pipeline assembly convenient for maintenance of inspection well - Google Patents

Abstract

The utility model discloses a pipeline assembly convenient for maintenance of an inspection well, which solves the technical problem that the existing inspection well pipeline cannot realize construction without stopping water. The utility model comprises an upstream main pipeline and a downstream main pipeline, wherein an inspection box is arranged between the upstream main pipeline and the downstream main pipeline, a plugging disc is arranged at a port of the main pipeline, a plurality of sub-pipelines are arranged between the plugging discs at the upstream and the downstream and the inspection box respectively, each sub-pipeline comprises a first corrugated pipe and a second corrugated pipe, a rigid pipe is arranged between the butt ends of the first corrugated pipe and the second corrugated pipe, the outer end of the first corrugated pipe is connected with the plugging disc, the outer end of the second corrugated pipe is connected with the inspection box, the two ends of the rigid pipe are respectively connected with the first corrugated pipe and the second corrugated pipe in a detachable and sealed mode through a connecting unit, and a stop valve is arranged in the rigid pipe. The utility model can maintain the inspection well without stopping water, add new pipelines, reduce old pipelines, change pipelines and other construction time.

Description

Pipeline assembly convenient for maintenance of inspection well

Technical Field

The utility model relates to the technical field of inspection well pipelines, in particular to a pipeline assembly convenient for maintenance of an inspection well.

Background

The inspection well is used for the maintenance of power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, is convenient to install, is generally arranged at a pipeline intersection, a turning part, a pipe diameter or gradient changing part and a straight pipe section at a certain distance, and is convenient for regular inspection of auxiliary structures. The operational aspect of pipeline is monitored through the inspection shaft, increase new pipeline, reduce construction operations such as old pipeline, prior art carries out above-mentioned construction to the pipe assembly, need stop the operation of trunk line, can cause the water cut off in the certain limit, if the water cut off time overlength then can be to near resident, the production life of enterprise causes the influence, and the pipe diameter of cutting off the water is big more, the operation of recovery water-passing is also difficult more, the pipeline in the water cut off scope can not effectively be washed, still will bring certain quality of water potential safety hazard.

The utility model discloses a large-scale box culvert continuous water plugging device and a repairing method using the device, wherein the device is retrieved by the utility model patent application with the prior application publication date of 2021.07.16 and the application publication number of CN113124258A, the device comprises a wall-shaped plugging device body capable of plugging a large-scale box culvert, the plugging device body is formed by transversely splicing a plurality of cylindrical plug units, the plug units are mutually connected through splicing surfaces and combined through plugging surfaces to form a plugging wall of the plugging device body, a water through port penetrating through the plug units is formed in the middle of the plugging surfaces, a flange is arranged on one side of the water through port, and the flange can be connected with a flange cover plate and a water through hose. According to the large-scale box culvert uninterrupted water plugging device and the repairing method using the device, the split module trial plugging is adopted, the device can be adapted to various pipe-type large-diameter pipelines, the large-diameter pipe culvert can be repaired without interrupting water, a temporary drain pipe is not required to be additionally arranged, inconvenience caused by repairing engineering to resident life is reduced, repairing working hours and cost are reduced, the structure is simple, and the operation is convenient.

Although the technical scheme of above-mentioned patent application has realized not stopping water repair to a certain extent, need use the end cap unit earlier to carry out the shutoff to the trunk line, then assemble face mounting flange apron or water hose at the end cap unit correspondence, when increasing new pipeline, reducing old pipeline etc. construction, still need carry out interim cutting off water to the upper and lower stream, then carry out the pipeline on the trunk line again and touch and connect.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a pipeline assembly convenient for maintenance of an inspection well, which solves the technical problem that the existing inspection well pipeline cannot realize construction without stopping water.

The technical scheme of the utility model is realized as follows: the utility model provides a pipeline assembly convenient to inspection shaft is maintained, includes the trunk line of upper and lower low reaches, is provided with the inspection box between the trunk line of upper and lower low reaches, and the port department of trunk line is provided with the shutoff dish, all is provided with a plurality of subducts between shutoff dish of upper and lower low reaches and the inspection box, the subduct includes first bellows and second bellows, is provided with the rigid pipe between the butt joint end of first bellows and second bellows, and the outer end and the shutoff dish of first bellows link to each other, and the outer end and the inspection box of second bellows link to each other, and the both ends of rigid pipe can dismantle sealing connection through the coupling unit respectively with between first bellows, the second bellows, are provided with the stop valve in the rigid pipe.

Further, the coupling unit includes an external screw thread section of thick bamboo of sealed joint at first bellows or second bellows tip, and the external diameter of an external screw thread section of thick bamboo is the same with the external diameter of rigid pipe, and the both ends of rigid pipe are sealed the lock joint with first bellows and second bellows respectively, and the outer wall of rigid pipe is provided with the screw thread opposite with an external screw thread section of thick bamboo, links to each other through the internal thread sleeve between rigid pipe and the external screw thread section of thick bamboo.

Further, the inner wall joint at the both ends of rigid pipe has first sealing washer, and first sealing washer is sealed with the arch of first bellows or second bellows outer wall and is cooperated, the inner wall joint of an external screw thread section of thick bamboo has the second sealing washer, and the second sealing washer is sealed with the arch of first bellows or second bellows outer wall and is cooperated.

Further, every one end of rigid pipe all is provided with two first sealing washers at least, and the inner wall of every external screw thread section of thick bamboo joint has two second sealing washers at least.

Further, wedge-shaped surfaces which are in mutual compression joint are arranged at the end parts, close to each other, of the external thread cylinder and the rigid pipe.

Furthermore, the inspection box and the plugging disc are both provided with mounting ports, the mounting ports are connected with sealing barrels in a clamped mode, the first corrugated pipe is connected with the plugging disc in a sealing mode through the sealing barrels, and the second corrugated pipe is connected with the inspection box in a sealing mode through the sealing barrels.

Furthermore, an expansion branch pipe capable of being connected with the sub-pipeline is arranged on the inspection box, and a stop valve is arranged on the expansion branch pipe.

The utility model connects the main pipeline of the upper and lower reaches through a plurality of subducts and inspection boxes, construct under the prerequisite guaranteeing not to stop water, not only can control the make-and-break of each subduct alone, carry on the corresponding maintenance construction, and when needing to demolish the old pipeline, can close the correspondent subduct directly through the stop valve, carry on the shutoff or demolish the correspondent pipeline; when the main pipeline is changed, the specific corrugated pipe can be used for angle conversion and position conversion; in the construction process of building a new pipeline, a new sub-pipeline can be added between the inspection box and the corresponding main pipeline by using the extension branch pipe; when the inspection box needs to be replaced, partial replacement and overall replacement can be realized through replacing the sub-pipelines one by one.

Drawings

In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a front view of the plugging disc;

fig. 4 is a cross-sectional view of the first bellows sealing with the main conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

A pipeline assembly convenient for maintenance of an inspection well comprises main pipelines 1 at the upstream and downstream, inspection boxes 3 are arranged between the main pipelines 1 at the upstream and downstream, and the inspection boxes 3 can play a role of intermediate turnover during maintenance construction.

As shown in fig. 2 and 3, a plugging disc 2 is arranged at a port of the main pipe 1, a plurality of sub-pipes 4 are arranged between the plugging disc 2 at the upstream and downstream and the inspection box 3, the main pipe 1 at the upstream and downstream is communicated with the inspection box 3 through the sub-pipes 4, and a stop valve 44 for controlling the on-off of water flow is arranged on each sub-pipe 4, so that the construction is performed on the premise of ensuring no water cut, not only can the on-off of each sub-pipe be controlled independently to perform corresponding maintenance construction, but also when an old pipe needs to be removed, the corresponding sub-pipe can be directly closed through the stop valve to plug or remove the corresponding pipe; when the main pipeline is changed, the specific corrugated pipe can be used for angle conversion and position conversion; in the construction process of building a new pipeline, a new sub-pipeline can be added between the inspection box and the corresponding main pipeline by using the extension branch pipe; when the inspection box needs to be replaced, partial replacement and overall replacement can be realized through replacing the sub-pipelines one by one.

Specifically, the subduct 4 includes a first bellows 41 and a second bellows 42, and the first bellows 41 and the second bellows 42 are identical in structure. A rigid pipe 43 is arranged between the abutting ends of the first corrugated pipe 41 and the second corrugated pipe 42, the stop valve 44 is arranged on the rigid pipe 43, and the on-off between the first corrugated pipe 41 and the second corrugated pipe 42 can be controlled by arranging the stop valve 44 on the rigid pipe 43. As shown in fig. 3 and 4, the inspection box 3 and the plugging disc 2 are both provided with mounting ports 7, the mounting ports 7 are connected with sealing cylinders 8 in a clamping manner, the sealing cylinders 8 are made of rubber materials, and annular grooves connected with the mounting ports 7 in a clamping manner are formed in the peripheries of the sealing cylinders 8. The first bellows 41 is connected with the plugging disc 2 through the sealing cylinder 8 in a sealing manner, and the second bellows 42 is connected with the inspection box 3 through the sealing cylinder 8 in a sealing manner.

The outer end of the first corrugated pipe 41 is connected with the plugging disc 2, the outer end of the second corrugated pipe 42 is connected with the inspection box 3, and two ends of the rigid pipe 43 are respectively connected with the first corrugated pipe 41 and the second corrugated pipe 42 in a detachable and sealed mode through connecting units. Specifically, the connection unit includes an external thread cylinder 5 which is hermetically clamped at an end of the first corrugated pipe 41 or the second corrugated pipe 42, an outer diameter of the external thread cylinder 5 is the same as an outer diameter of the rigid pipe 43, two ends of the rigid pipe 43 are respectively hermetically fastened with the first corrugated pipe 41 and the second corrugated pipe 42, an outer wall of the rigid pipe 43 is provided with a thread opposite to the external thread cylinder 5, and the rigid pipe 43 and the external thread cylinder 5 are connected through an internal thread sleeve 10. By screwing the internally threaded sleeve 10, the externally threaded cylinder 5 and the rigid tube 43 can be driven closer to or further away from each other, thereby achieving the sealed connection and disconnection of the first bellows 41 and the second bellows 42.

Specifically, the inner walls of the two end portions of the rigid pipe 43 are clamped with first seal rings 5, the first seal rings 5 are fixed on the inner wall of the rigid pipe 43 through ring grooves, the first seal rings 5 are in sealing fit with protrusions on the outer wall of the first corrugated pipe 41 or the outer wall of the second corrugated pipe 42, and the first seal rings 5 are clamped between wave crests of the corrugated pipes. The inner wall joint of a thread section of thick bamboo 5 has second sealing washer 6, and similarly, the inner wall of a thread section of thick bamboo 5 is provided with the annular, and second sealing washer 6 is fixed in the annular, and second sealing washer 6 cooperates with the protruding sealed of first bellows 41 or second bellows 42 outer wall. Each end of the rigid pipe 43 is at least provided with two first sealing rings 5, and the inner wall of each external thread cylinder 5 is at least clamped with two second sealing rings 6.

Further, the end parts, close to each other, of the external thread cylinder 5 and the rigid pipe 43 are provided with wedge-shaped surfaces 9 which are in compression joint with each other, so that the external thread cylinder 5 and the rigid pipe 43 are in compression joint, and the sealing effect and the connection reliability are further ensured.

Furthermore, an extension branch pipe capable of being connected with the sub-pipeline 4 is arranged on the inspection box 3, a stop valve is arranged on the extension branch pipe, and a new sub-pipeline can be added between the inspection box 3 and the corresponding main pipeline by using the extension branch pipe in the construction process of building a new pipeline.

Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. A pipe assembly for facilitating the maintenance of an inspection well, comprising a main pipe (1) upstream and downstream, characterized in that: be provided with between main pipe (1) of the upper and lower reaches inspection box (3), the port department of main pipe (1) is provided with shutoff dish (2), all is provided with a plurality of subducts (4) between shutoff dish (2) of the upper and lower reaches and inspection box (3), subduct (4) are including first bellows (41) and second bellows (42), are provided with rigid pipe (43) between the butt joint end of first bellows (41) and second bellows (42), and the outer end of first bellows (41) links to each other with shutoff dish (2), and the outer end of second bellows (42) links to each other with inspection box (3), and the both ends of rigid pipe (43) can dismantle sealing connection through the coupling unit respectively with between first bellows (41), the second bellows (42), are provided with stop valve (44) in rigid pipe (43).

2. The conduit assembly for facilitating manhole maintenance of claim 1, wherein: the connecting unit comprises an external thread cylinder (5) which is connected to the end portion of the first corrugated pipe (41) or the end portion of the second corrugated pipe (42) in a sealing and clamping mode, the outer diameter of the external thread cylinder (5) is the same as that of the rigid pipe (43), two ends of the rigid pipe (43) are connected with the first corrugated pipe (41) and the second corrugated pipe (42) in a sealing and clamping mode respectively, threads opposite to the external thread cylinder (5) are arranged on the outer wall of the rigid pipe (43), and the rigid pipe (43) is connected with the external thread cylinder (5) through an internal thread sleeve (10).

3. The conduit assembly for facilitating manhole maintenance of claim 2, wherein: the inner wall joint at the both ends of rigid tube (43) has first sealing washer, and first sealing washer is sealed with the arch of first bellows (41) or second bellows (42) outer wall and is cooperated, the inner wall joint of an external screw thread section of thick bamboo (5) has second sealing washer (6), and second sealing washer (6) is sealed with the arch of first bellows (41) or second bellows (42) outer wall and is cooperated.

4. A tubing assembly for facilitating manhole maintenance according to claim 3, wherein: each end of the rigid pipe (43) is at least provided with two first sealing rings, and the inner wall of each external thread cylinder (5) is at least clamped with two second sealing rings (6).

5. A tubing assembly for facilitating manhole maintenance according to any of claims 2-4, wherein: the end parts of the external thread cylinder (5) and the rigid pipe (43) which are close to each other are provided with wedge-shaped surfaces (9) which are in mutual compression joint.

6. The conduit assembly for facilitating manhole maintenance of claim 5, wherein: all seted up installing port (7) on inspection box (3) and shutoff dish (2), joint has sealed section of thick bamboo (8) on installing port (7), first bellows (41) are through sealed section of thick bamboo (8) and shutoff dish (2) sealing connection, and second bellows (42) are through sealed section of thick bamboo (8) and inspection box (3) sealing connection.

7. A tubing assembly for facilitating manhole maintenance according to any of claims 1-4 and 6, wherein: an expansion branch pipe capable of being connected with the sub-pipeline (4) is arranged on the inspection box (3), and a stop valve is arranged on the expansion branch pipe.

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