CN216867829U

CN216867829U - Environment-friendly sealing connection structure of pipeline for municipal construction

Info

Publication number: CN216867829U
Application number: CN202220495439.6U
Authority: CN
Inventors: 李志刚; 李菲; 肖静
Original assignee: Hubei Linkong Liantou Technology Development Co ltd
Current assignee: Hubei Linkong Liantou Technology Development Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-01
Anticipated expiration: 2032-03-07

Abstract

The application relates to the technical field of pipeline connection, and particularly discloses an environment-friendly sealing connection structure of pipelines for municipal construction, which comprises flexible telescopic pipes arranged at the installation gap of the two pipelines, wherein two ends of the flexible telescopic pipes in the length direction are both communicated with connecting pipes, and the two connecting pipes are in one-to-one correspondence with the two pipelines; every all be provided with on the connecting pipe and be used for carrying out the coupling assembling that links up connecting pipe and corresponding pipeline, every all be provided with on the connecting pipe and be used for carrying out sealed sealing member to the linking department of connecting pipe and corresponding pipeline. This application has the effect that improves the connection efficiency between two pipelines.

Description

Environment-friendly sealing connection structure of pipeline for municipal construction

Technical Field

The application relates to the field of pipeline connection technology, in particular to an environment-friendly sealing connection structure of a pipeline for municipal construction.

Background

In the municipal pipeline construction process, due to the continuous expansion of the construction scale of the power pipeline, a newly-built power system is often required to be connected with an already-built power system after the construction is finished; the power transmission capacity of the municipal power system is improved by the combined use of the two power systems. And often along with the installation of laying of pipeline in power system's the construction, through laying the cable in the pipeline of laying to effectively protect the cable through sealing connection's pipeline, thereby ensure the stability in use of cable.

Because the pipelines used in construction are usually standard pipes with uniform length, when a pipeline in a newly-built electric power system extends to a reserved pipeline of an established electric power system from the newly-built electric power system, the newly-built pipeline and the reserved pipeline are accumulated due to construction measurement deviation or installation positioning errors during continuous connection of the pipelines, so that a certain axial gap and a certain longitudinal gap exist at the joint of the ports of the newly-built pipeline and the reserved pipeline. At the moment, the staff need to measure the distance between the ports of the two pipelines, then a section of standard pipe is cut into a non-standard pipe according to the measurement data, and then the two ends of the non-standard pipe and the ports of the two pipelines are welded one by one in a seamless mode, so that the tight connection between the newly-built pipelines and the reserved pipelines is realized.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the process of cutting and manufacturing the non-standard pipe is complicated, the connection efficiency of the newly-built pipeline and the reserved pipeline is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the connection efficiency between two pipelines, this application provides an environmental protection sealing connection structure of pipeline for municipal construction.

The application provides a pair of environmental protection sealing connection structure of pipeline for municipal construction adopts following technical scheme:

the environment-friendly sealing connection structure of the pipelines for municipal construction comprises flexible telescopic pipes arranged at the installation gap of the two pipelines, wherein two ends of the flexible telescopic pipes in the length direction are both communicated with connecting pipes, and the two connecting pipes are in one-to-one correspondence with the two pipelines; every all be provided with on the connecting pipe and be used for carrying out the coupling assembling that links up connecting pipe and corresponding pipeline, every all be provided with on the connecting pipe and be used for carrying out sealed sealing member to the linking department of connecting pipe and corresponding pipeline.

By adopting the technical scheme, a worker connects the two connecting pipes with the two pipelines one by one through the connecting assembly and seals the joint of the connecting pipes and the pipelines through the sealing element, so that the two pipelines, the two connecting pipes and the flexible telescopic pipe are connected into a whole; the axial clearance and the longitudinal clearance between the two pipelines are compensated through the slight deformation of the flexible extension tube and the length of the two connecting tubes in the process, so that workers do not need to connect the two pipelines through manufacturing the non-standard tube, the pipeline cutting waste material easily generated in the process of manufacturing the non-standard tube is reduced, and the environment-friendly installation between the two pipelines is realized.

Optionally, the connecting assembly comprises a limiting sleeve, an installation sleeve and a connecting sleeve; the limiting sleeve is fixedly sleeved on the outer peripheral side of the connecting pipe, a connecting piece is arranged on the mounting sleeve, the mounting sleeve is rotatably sleeved on the limiting sleeve through the connecting piece, the rotating axis of the mounting sleeve is parallel to the axial direction of the mounting sleeve, one end of the mounting sleeve protrudes out of the connecting pipe, and an internal thread is arranged on the inner peripheral side of the protruding end; the connecting sleeve is fixedly sleeved on the outer periphery of the pipeline, and external threads matched with the internal threads are formed on the outer periphery of the connecting sleeve.

By adopting the technical scheme, when the connecting pipe connecting device is used, a worker rotates the mounting sleeve, so that the mounting sleeve is assembled on the connecting sleeve in a threaded manner, the mounting sleeve which is continuously rotated carries out spiral movement along the direction far away from the flexible telescopic pipe, and the moving mounting sleeve drives the connecting pipe to move along the direction far away from the flexible telescopic pipe through the limiting sleeve, so that the connecting pipe moves along the direction close to the corresponding pipeline, and the connecting pipe is quickly connected with the corresponding pipeline; in the installation, the installation sleeve and the connecting sleeve are rapidly assembled through the internal and external threads, so that the installation sleeve and the connecting sleeve are always in a coaxial state, the movable connecting pipe and the movable pipeline are kept in a coaxial state, and the connecting pipe and the pipeline are more stably and accurately connected.

Optionally, the connecting piece is a limiting ring, the limiting ring is sleeved on the outer peripheral side of the connecting pipe, the limiting ring is located between the limiting sleeve and the flexible telescopic pipe, and the inner diameter of the limiting ring is smaller than the outer diameter of the limiting sleeve.

Through adopting above-mentioned technical scheme, the spacing collar is located to the installation cover through the spacing collar stop collar to when the installation cover carries out helical motion along the direction towards the adapter sleeve, the installation cover that removes promotes the spacing collar and removes along the direction that is close to the pipeline, and the spacing collar of removal supports one side of tight spacing collar, and promotes the spacing collar and removes, thereby realizes that the installation cover drives the connecting tube and goes on along the direction towards the pipeline.

Optionally, coupling assembling includes two ring flanges, one the ring flange coaxial welding is in the port department of connecting pipe, another the ring flange coaxial welding is in the port department of pipeline, two it is fixed to carry out the locking through the locking piece between the ring flange.

Through adopting above-mentioned technical scheme, the staff carries out the locking between two ring flanges through the lock piece and connects, can link up the port of connecting pipe and the port of pipeline fast, easy operation, convenient.

Optionally, the sealing member includes elastic sealing ring, elastic sealing ring locates between connecting pipe and the pipeline, elastic sealing ring with the connecting pipe is coaxial, an end face of elastic sealing ring laminates with the terminal surface of connecting pipe mutually, another terminal surface of elastic sealing ring laminates with the terminal surface of pipeline mutually.

By adopting the technical scheme, when a connecting pipe is adjusted by the connecting component and is connected with a pipeline, the end surface of the connecting pipe facing the pipeline is abutted against one end surface of the elastic sealing ring, then the other end surface of the elastic sealing ring is extruded by the connecting pipe to abut against the end surface of the pipeline, at the moment, the elastic sealing ring is clamped between the pipeline and the connecting pipe, and the peripheral sides of the ports of the connecting pipe and the peripheral sides of the ports of the pipeline are sealed through the elastic deformation of the elastic sealing ring, so that the sealing connection between the connecting pipe and the pipeline is realized; the flexible expansion pipe can reduce the expansion deformation of the flexible expansion pipe by replacing elastic sealing rings with different thicknesses, so that the assembled flexible expansion pipe does not need to be kept in a large deformation state, and the flexible expansion pipe is prolonged; 1 service life of flexible telescopic pipe.

Optionally, one end of the elastic sealing ring, which is far away from the flexible telescopic pipe, is connected with an extension pipe, and the outer diameter of the extension pipe is not greater than the inner diameter of the pipeline.

Through adopting above-mentioned technical scheme, the staff supports tight when assembling in the port department of pipeline through the extension pipe with elastic sealing ring pre-assembly on the pipeline to support at the connecting pipe, can be quick with the elastic sealing ring clamping between connecting pipe and pipeline, realize the quick sealing connection of linking department of connecting pipe and pipeline.

Optionally, an outer diameter of one end, away from the flexible telescopic pipe, of the extension pipe is smaller than an inner diameter of the pipeline, an elastic ring is fixedly sleeved on an outer peripheral side of one end, away from the flexible telescopic pipe, of the extension pipe, and the outer diameter of the elastic ring is larger than the inner diameter of the pipeline.

Through adopting above-mentioned technical scheme, when the staff with elastic sealing ring pre-assembly in the port department of pipeline, the staff promotes the extension pipe and makes the extension pipe stretch into the inner chamber of pipeline, and the elastic ring receives the extrusion of pipeline inner wall and takes place to warp this moment to make the elastic ring carry out the quick seal between the outer wall of pipeline inner wall and extension pipe, further improve the sealing performance between pipeline and the connecting pipe.

Optionally, the outer diameter of the flexible telescopic pipe is not greater than the diameter of the first connecting pipe, a locking bolt is detachably mounted at one end, away from the flexible telescopic pipe, of the mounting sleeve, and a threaded hole for threaded assembly of the locking bolt is formed in the connecting sleeve.

Through adopting above-mentioned technical scheme, when environmental protection sealing connection structure was in idle state, the staff will install the cover locking in screw hole department through the locking bolt, and the one end cladding of installation cover is on flexible pipe this moment to make the installation cover difficult for taking place to slide on the stop collar, also be that the installation cover carries out effective protection to the flexible pipe that stretches out and draws back of thermocouple image.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the installation sleeve is driven by a worker to rotate, so that the installation sleeve is assembled on a connecting sleeve in a threaded mode, the installation sleeve which rotates continuously moves spirally in the direction away from the flexible telescopic pipe, the installation sleeve pushes the connecting pipe to be close to a pipeline, the installation sleeve which is continuously close to clamps the elastic sealing ring between the port of the connecting pipe and the port of the pipeline, the connecting pipe is connected with the pipeline in a sealing mode, and the other installation sleeve is operated repeatedly to achieve quick sealing connection between the two pipelines;

2. the axial clearance between the two pipelines is compensated through the flexible extension tube and the two connecting tubes, so that workers do not need to manufacture non-standard tubes to connect the two pipelines, the operation trouble of the workers is reduced, and the quick sealing connection between the two pipelines is realized;

3. the elastic ring seals between the inner wall of the pipeline and the outer wall of the extension pipe, so that the elastic sealing ring and the pipeline are sealed again, and the sealing performance between the pipeline and the connecting pipe is further improved.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a first embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic overall structure diagram of the second embodiment of the present application.

Reference numerals: 1. a flexible extension tube; 2. a connecting pipe; 3. a pipeline; 4. a connecting assembly; 41. a limiting sleeve; 411. a threaded hole; 42. installing a sleeve; 421. perforating; 43. connecting sleeves; 44. a flange plate; 5. an elastic sealing ring; 51. a ring core; 52. a rubber ring; 6. an extension tube; 61. flanging; 62. a ring groove; 7. an elastic ring; 8. a connecting member; 81. a limiting ring; 9. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses environmental protection sealing connection structure of pipeline for municipal construction.

Example 1

Referring to fig. 1 and 2, the environment-friendly sealing connection structure of the pipeline for municipal construction comprises a flexible extension pipe 1 made of a metal corrugated pipe and connecting pipes 2 welded at both ends of the flexible extension pipe 1 in the length direction in a seamless manner, wherein the outer diameter of the flexible extension pipe 1 is consistent with the outer diameters of the two connecting pipes 2, and the two connecting pipes 2 correspond to two pipelines 3 one by one; one end of each connecting pipe 2, which is far away from the flexible telescopic pipe 1, is provided with a connecting assembly 4 and a sealing element, wherein the connecting assembly 4 is used for quickly connecting the connecting pipe 2 with a pipeline 3, and the sealing element is used for sealing the connecting position of the connecting pipe 2 and the pipeline 3.

Referring to fig. 2 and 3, the sealing member is an elastic sealing ring 5, the elastic sealing ring 5 comprises a ring core 51 made of stainless steel and rubber rings 52 adhered to two end faces of the ring core 51, and the inner diameter of the ring core 51 is smaller than that of the rubber rings 52; an extension pipe 6 is coaxially arranged at one end of the ring core 51 far away from the flexible telescopic pipe 1, and the extension pipe 6 and the ring core 51 are integrally formed; the outer diameter of the extension pipe 6 is equal to the inner diameter of the rubber ring 52, the outer diameter of the extension pipe 6 is smaller than the inner diameter of the pipeline 3, a flange 61 is integrally formed at the port of one end of the extension pipe 6, which is far away from the flexible telescopic pipe 1, and the flange 61 is bent at the outer peripheral side of the extension pipe 6 along the direction towards the flexible telescopic pipe 1; a ring groove 62 is formed in the outer peripheral side of one end, away from the flexible telescopic pipe 1, of the extension pipe 6, and the extending direction of the ring groove 62 is consistent with the circumference of the extension pipe 6; the extension pipe 6 is sleeved with an elastic ring 7, the elastic ring 7 is embedded and fixed in the annular groove 62, the side wall of the elastic ring 7 facing the flexible extension pipe 1 is tightly pressed against the inner side wall of the annular groove 62, and the side wall of the elastic ring 7 far away from the flexible extension pipe 1 is tightly fastened with the side wall of the turned-over edge 61; the end of the elastic ring 7 far away from the extension pipe 6 extends out of the annular groove 62, and the outer diameter of the elastic ring 7 is larger than the inner diameter of the pipeline 3.

When the pipeline extension device is used, a worker extends the extension pipe 6 into the inner cavity of the pipeline 3 along the opening of the pipeline 3, the elastic ring 7 at the end part of the extension pipe 6 is extruded by the inner wall of the pipeline 3 to be bent and deformed, and the deformed elastic ring 7 is abutted against the inner wall of the pipeline 3, so that the inner wall of the pipeline 3 is in sealing connection with the outer peripheral side of the extension pipe 6 through the elastic ring 7; then the staff continues to promote extension pipe 6 to make the elastic sealing ring 5 on extension pipe 6 support the terminal surface of tight pipeline 3, a rubber ring 52 on the elastic sealing ring 5 supports tightly to laminate on the terminal surface of pipeline 3 open end this moment, thereby realizes elastic sealing ring 5's preliminary fixation.

Referring to fig. 2 and 3, the connecting assembly 4 includes a position-limiting sleeve 41, a mounting sleeve 42 and a connecting sleeve 43; the limiting sleeve 41 is sleeved on the outer peripheral side of the connecting pipe 2, and the inner peripheral side of the limiting sleeve 41 is welded with the outer peripheral side of the connecting pipe 2 in a seamless mode; the mounting sleeve 42 is provided with a connecting piece 8, the mounting sleeve 42 is rotatably sleeved on the limiting sleeve 41 through the connecting piece 8, and the rotating axis is parallel to the axial direction of the mounting sleeve 42; the connecting piece 8 is a limiting ring 81 (in other embodiments, the connecting piece 8 may also be a limiting strip fixed on the inner side wall of the mounting sleeve 42, a locking rod penetrating the mounting sleeve 42, or the like), the limiting ring 81 is located between the limiting sleeve 41 and the flexible telescopic tube 1, the limiting ring 81 is welded on the inner peripheral side of the mounting sleeve 42, the limiting ring 81 is coaxial with the mounting sleeve 42, and the inner diameter of the limiting ring 81 is smaller than the outer diameter of the limiting sleeve 41. One end of the mounting sleeve 42, which is far away from the flexible extension tube 1, protrudes out of the connecting tube 2, and the inner peripheral side of the protruding end is provided with an internal thread; the connecting sleeve 43 is sleeved on the periphery of the pipeline 3, the inner periphery of the connecting sleeve 43 is welded with the outer periphery of the pipeline 3, and the outer periphery of the connecting sleeve 43 is provided with an external thread matched with the internal thread.

When the flexible telescopic pipe is used, a worker firstly assembles the mounting sleeve 42 on the connecting sleeve 43 in a threaded manner, then continuously rotates the mounting sleeve 42, the rotating mounting sleeve 42 performs spiral movement along the direction far away from the flexible telescopic pipe 1, and the moving mounting sleeve 42 drives the connecting pipe 2 to move along the direction far away from the flexible telescopic pipe 1 through the limiting sleeve 41, namely, the connecting pipe 2 moves along the direction close to the corresponding pipeline 3; the end face of the connecting pipe 2 is tightly abutted against one rubber ring 52 on the elastic sealing ring 5 in the moving process, and then the other rubber ring 52 of the elastic sealing ring 5 is tightly abutted against the end face of the pipeline 3 by the abutting force, so that the connecting pipe 2 is quickly sealed and connected with the corresponding pipeline 3.

Referring to fig. 1, 2 and 3, a through hole 421 is formed at one end of the mounting sleeve 42 away from the flexible telescopic tube 1, a locking bolt 9 is assembled in the through hole 421 through a thread, and a threaded hole 411 for assembling the locking bolt 9 through a thread is formed at the outer peripheral side of the limiting sleeve 41; when locking bolt 9 screw thread locking when two on the installation cover 42 was in corresponding screw hole 411, the one end that two installation covers 42 were close to mutually all overlaps and is established on flexible pipe 1, and the terminal surface that two installation covers 42 were close to mutually was laminated this moment to make two installation covers 42 protect flexible pipe 1, in order to make things convenient for the staff to carry out the transportation of environmental protection sealing connection structure.

The implementation principle of the embodiment 1 is as follows: when the flexible telescopic pipe is used, a worker places the flexible telescopic pipe 1 between the installation gaps of the two pipelines 3 and aligns the two connecting pipes 2 with the two pipelines 3 one by one; then the staff installs elastic sealing ring 5 respectively in the port department of two pipelines 3, stretches into the inner chamber of pipeline 3 through the opening with extension pipe 6 on elastic sealing ring 5 along pipeline 3 to realize the sealing connection between the inner wall of pipeline 3 and the periphery side of extension pipe 6 through elastic ring 7 on extension pipe 6. Then, the worker assembles the mounting sleeve 42 on the connecting sleeve 43 in a threaded manner, and welds the connecting sleeve 43 on the outer periphery of the pipeline 3; then, the worker continuously rotates the mounting sleeve 42, so that the mounting sleeve 42 drives the connecting pipe 2 to move in the direction away from the flexible telescopic pipe 1 through the limiting sleeve 41, and the connecting pipe 2 moves in the direction close to the corresponding pipeline 3; the connecting pipe 2 that removes supports tight dress with elastic sealing ring 5 and presss from both sides between connecting pipe 2 and pipeline 3, and elastic sealing ring 5 receives the extruded in-process, and elastic sealing ring 5's a rubber ring 52 supports tightly with the terminal surface of connecting pipe 2, and another rubber ring 52 of elastic sealing ring 5 supports tightly with the terminal surface of pipeline 3 to realize the quick sealed linking between connecting pipe 2 and corresponding pipeline 3. The above-described operation is repeated to perform the sealing connection of the other connecting pipe 2 and the other pipe 3, and the rust inhibitive paint is applied to the outer circumferential side of each pipe 3 after the assembly, thereby completing the sealing connection of the two pipes 3.

Example 2

Referring to fig. 4, the difference between this embodiment and embodiment 1 is that the connection assembly 4 includes two flanges 44, one flange 44 is coaxially welded to the port of the connection pipe 2, the other flange 44 is coaxially welded to the port of the pipeline 3, eight through holes are formed in both flanges 44 at intervals along the circumference of the flange 44, and the two flanges 44 are assembled and fixed at the through holes by bolts and nuts. During the use, the staff carries out the connection of two ring flanges 44 between connecting pipe 2 and the pipeline 3 through bolt and nut, can realize the quick assembly of connecting pipe 2 and pipeline 3 and connect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an environmental protection sealing connection structure of pipeline for municipal construction which characterized in that: the flexible expansion pipe comprises flexible expansion pipes (1) arranged at the installation gap of two pipelines (3), wherein two ends of the flexible expansion pipes (1) in the length direction are both communicated with connecting pipes (2), and the two connecting pipes (2) correspond to the two pipelines (3) one by one;

every all be provided with on connecting pipe (2) and be used for carrying out coupling assembling (4) that link up connecting pipe (2) and corresponding pipeline (3), every all be provided with on connecting pipe (2) and be used for carrying out sealed sealing member to the linking department of connecting pipe (2) and corresponding pipeline (3).

2. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 1, characterized in that: the connecting assembly (4) comprises a limiting sleeve (41), an installation sleeve (42) and a connecting sleeve (43);

the limiting sleeve (41) is fixedly sleeved on the outer peripheral side of the connecting pipe (2), a connecting piece (8) is arranged on the mounting sleeve (42), the mounting sleeve (42) is rotatably sleeved on the limiting sleeve (41) through the connecting piece (8), the rotating axis of the mounting sleeve is parallel to the axial direction of the mounting sleeve (42), one end of the mounting sleeve (42) protrudes out of the connecting pipe (2) along the direction far away from the flexible telescopic pipe (1), and an internal thread is arranged on the inner peripheral side of the protruding end;

the connecting sleeve (43) is fixedly sleeved on the outer peripheral side of the pipeline (3), and an external thread matched with the internal thread is formed on the outer peripheral side of the connecting sleeve (43).

3. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 2, characterized in that: the connecting piece (8) is a limiting ring (81), the outer peripheral side of the connecting pipe (2) is sleeved with the limiting ring (81), the limiting ring (81) is located between the limiting sleeve (41) and the flexible telescopic pipe (1), and the inner diameter of the limiting ring (81) is smaller than the outer diameter of the limiting sleeve (41).

4. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 1, characterized in that: coupling assembling (4) include two ring flanges (44), one ring flange (44) coaxial welding is in the port department of connecting pipe (2), another ring flange (44) coaxial welding is in the port department of pipeline (3), two bolted connection is fixed between ring flange (44).

5. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 1, characterized in that: the sealing member is elastic sealing ring (5), elastic sealing ring (5) are located between connecting pipe (2) and pipeline (3), elastic sealing ring (5) with connecting pipe (2) are coaxial, the terminal surface of an elastic sealing ring (5) and the terminal surface of connecting pipe (2) are laminated mutually, another terminal surface of elastic sealing ring (5) and the terminal surface of pipeline (3) are laminated mutually.

6. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 5, wherein: one end, far away from the flexible telescopic pipe (1), of the elastic sealing ring (5) is connected with an extension pipe (6), and the outer diameter of the extension pipe (6) is not larger than the inner diameter of the pipeline (3).

7. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 6, wherein: the outer diameter of one end, away from the flexible telescopic pipe (1), of the extension pipe (6) is smaller than the inner diameter of the pipeline (3), an elastic ring (7) is fixedly sleeved on the outer periphery of one end, away from the flexible telescopic pipe (1), of the extension pipe (6), and the outer diameter of the elastic ring (7) is larger than the inner diameter of the pipeline (3).

8. The environmentally-friendly sealed connection structure of pipelines for municipal construction according to claim 3, wherein: the outer diameter of flexible pipe (1) is not more than the diameter of connecting pipe (2), the one end detachable that flexible pipe (1) was kept away from in installation cover (42) installs locking bolt (9), set up screw hole (411) that supply locking bolt (9) screw assembly on adapter sleeve (43).