CN217463614U

CN217463614U - High-sealing pressure pipeline connecting structure

Info

Publication number: CN217463614U
Application number: CN202221640381.6U
Authority: CN
Inventors: 李婵娟; 黄婉婉; 何家星; 孙小龙; 齐小敏
Original assignee: Hubei Changhu Construction Engineering Co ltd
Current assignee: Hubei Changhu Construction Engineering Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-20
Anticipated expiration: 2032-06-29

Abstract

The application relates to the field of pressure pipelines, and particularly discloses a high-sealing pressure pipeline connecting structure which comprises a connecting pipe and a connecting mechanism for connecting two adjacent pressure pipelines; the both ends of connecting pipe stretch into the tip of two adjacent pipeline under pressure respectively, the middle part of connecting pipe is provided with and hinders the connecting pipe middle part gets into pipeline under pressure's block structure, be provided with between the lateral wall of connecting pipe and the inside wall of pipeline under pressure and be used for carrying out sealed sealing washer between them. This application has the effect that improves pipeline under pressure's hookup location resistance road surface subsides.

Description

High-sealing pressure pipeline connecting structure

Technical Field

The application relates to the field of pressure pipelines, in particular to a high-sealing pressure pipeline connecting structure.

Background

Pressure pipes are all pipes which are subjected to internal or external pressure and are usually used for transporting liquids or gases.

In the related art, the pressure pipes are usually connected with each other by butting two flanges and then fixedly connecting the two flanges together by using bolts; the pressure pipelines are connected together and then buried under the road surface.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the road surface of pipeline under pressure top can produce certain settlement after a period of time, under the effect of road surface pressure, can produce certain skew between two ring flanges to reduce the leakproofness of connecting between two pipeline under pressure, cause the leakage.

SUMMERY OF THE UTILITY MODEL

In order to improve pipeline under pressure's the ability that the hookup location resisted the road surface and subsided, this application provides a high sealed pipeline under pressure connection structure.

The application provides a high sealed pressure pipeline connection structure adopts following technical scheme: the device comprises a connecting pipe and a connecting mechanism for connecting two adjacent pressure pipelines; the both ends of connecting pipe stretch into the tip of two adjacent pipeline under pressure respectively, the middle part of connecting pipe is provided with and hinders the connecting pipe middle part gets into pipeline under pressure's block structure, be provided with between the lateral wall of connecting pipe and the inside wall of pipeline under pressure and be used for carrying out sealed sealing washer between them.

By adopting the technical scheme, when a constructor connects two pressure pipelines together, the sealing ring is sleeved on the connecting pipe, then one end of the connecting pipe is extended into one of the pressure pipelines, when the middle outer side wall of the connecting pipe is abutted against the inner side wall of the pressure pipeline, the connecting pipe cannot continuously enter the pressure pipeline under the action of the blocking structure, and then one side of the connecting mechanism is arranged on the pressure pipeline; then sleeving one end of another pressure pipeline at the other end of the connecting pipe, installing the other side of the connecting mechanism on the pressure pipeline, and finally connecting the two pressure pipelines together by using the connecting mechanism; when the road surface takes place to subside and forms the extrusion to pipeline under pressure's junction, the connecting pipe hinders two pipeline under pressure dislocation, and coupling mechanism connects also to a certain extent to two pipeline under pressure dislocation between the pipeline under pressure simultaneously, and the effectual connected position that has improved pipeline under pressure's combined action resists the ability that the road surface subsides.

Optionally, the connecting mechanism includes a sleeve, a locking sleeve and a pressing assembly disposed on the pressure pipe for pressing the locking sleeve to move toward the inside of the sleeve; the two ends of the sleeve are respectively sleeved on the end parts of two adjacent pressure pipelines, the end surface of the sleeve inclines from the outer wall of the sleeve to the inner wall of the sleeve, and the length of the outer wall of the sleeve is greater than that of the inner wall of the sleeve; the lock sleeve is provided with two, two the lock sleeve respectively with telescopic both ends correspond, the lateral wall slope of lock sleeve set up and with telescopic terminal surface laminating, the inside wall of lock sleeve and pipeline under pressure's lateral wall laminating, seted up on the lock sleeve and run through the opening of inner wall, outer wall and two terminal surfaces of lock sleeve.

By adopting the technical scheme, when a constructor connects two pressure pipelines together by using a connecting mechanism, the two locking sleeves are sleeved on the two pressure pipelines respectively, one end of a connecting pipe is extended into one of the pressure pipelines, the pressure pipelines and the connecting pipe are extended into the sleeve together, the end part of the other pressure pipeline is sleeved on the other end of the connecting pipe, and finally the locking sleeves are extruded by an extrusion assembly to move towards the interior of the sleeve, and the two locking sleeves are respectively hooped on the two pressure pipelines; the sleeve and the locking sleeve form protection for the connecting position of the pressure pipeline, so that the connecting point of the pressure pipeline has stronger capability of bearing settlement.

Optionally, a reinforcing ring is fixedly connected to the inner side wall of the sleeve at a position corresponding to the connecting pipe.

Through adopting above-mentioned technical scheme, the strengthening ring is consolidated two pipeline under pressure's hookup location, further improvement pipeline under pressure's hookup location resistance road surface settlement's ability.

Optionally, the pressing assembly comprises a pressing plate, a bolt and a nut; the two pressure plates are respectively sleeved on the two adjacent pressure pipelines, and the side walls of the two pressure plates are respectively abutted against the two locking sleeves; the bolt is provided with a plurality of along the circumference interval of clamp plate, the quantity of nut with the quantity of bolt is the same, the free end of bolt runs through two the clamp plate, the head butt of bolt is in one of them the clamp plate, nut threaded connection in the free end of bolt just the butt is in another one the clamp plate.

By adopting the technical scheme, when a constructor extrudes the locking sleeves by using the extrusion assembly, the head of the bolt is fixed by using one spanner, the nut is screwed by using the other spanner to enable the two pressure plates to be close to each other, the two pressure plates respectively extrude the two locking sleeves, and the two locking sleeves are respectively hooped on the two pressure pipelines until all the nuts are screwed, and the two pressure pipelines are connected together; the hooping of the two locking sleeves is synchronously carried out, and the connecting efficiency of the two pressure pipelines is higher.

Optionally, the blocking structure is a baffle, the inner side wall of the baffle is fixedly connected to the outer side wall of the connecting pipe, and the outer side wall of the baffle is fixedly connected to the inner side wall of the reinforcing ring.

Through adopting above-mentioned technical scheme, when constructor links together two pipeline under pressure, establish the sealing washer at the tip cover of connecting pipe earlier, install two lock sleeves respectively at telescopic two tip again, with the clamp plate, the bolt and nut are preinstalled on the sleeve, stretch into and overlap one of them pipeline under pressure from one of them clamp plate and establish on one of the tip of connecting pipe next, stretch into and overlap another one pipeline under pressure from another clamp plate and establish on another tip, when carrying out the pipe connection, the staff can be to connection structure preinstallation, pipeline under pressure's connection efficiency has been improved greatly.

Optionally, a groove for limiting the rotation of the head of the bolt is formed on the pressure plate corresponding to the head of the bolt.

Through adopting above-mentioned technical scheme, constructor only need twist and move the nut and can accomplish being close to each other of two clamp plates after with the head embedding recess of bolt for it is more convenient when constructor twists the nut.

Optionally, the end surface of the reinforcing ring is chamfered at a position corresponding to the inner wall of the reinforcing ring.

Through adopting above-mentioned technical scheme, under the guide effect of chamfer, pipeline under pressure can be more convenient the entering strengthen intra-annular, further improvement pipeline under pressure's connection efficiency.

Optionally, a sealing gasket is arranged between the end of the pressure pipe and the baffle.

Through adopting above-mentioned technical scheme, sealed the pad seals between pipeline under pressure's tip and the baffle, has improved the leakproofness that two pipeline under pressure connect for two pipeline under pressure hookup location have high leakproofness.

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

1. by arranging the connecting pipe, the sealing ring and the connecting mechanism, when constructors connect the pressure pipelines, the sealing ring is sleeved on the connecting pipe, two ends of the connecting pipe respectively extend into the two pressure pipelines, the two pressure pipelines are connected together by using the connecting mechanism, when the junction of the pressure pipelines is extruded due to settlement of a road surface, the connecting pipe blocks the dislocation of the two pressure pipelines, and meanwhile, the connecting mechanism connects the two pressure pipelines, so that the dislocation between the pressure pipelines is reduced to a certain extent, and the joint position of the pressure pipelines can effectively improve the capacity of resisting the settlement of the road surface under the combined action of the two pressure pipelines;

2. the reinforcing ring is arranged in the sleeve, the blocking structure is arranged as the baffle, the inner wall of the baffle is fixedly connected to the outer wall of the connecting pipe, and the outer wall of the baffle is fixedly connected to the inner wall of the sleeve, so that the capacity of the connecting position of the pressure pipeline for resisting pavement settlement is further improved, and the connecting efficiency of the two pressure pipelines is greatly improved;

3. the sealing gasket is arranged between the end part of the pressure pipeline and the baffle, so that the sealing performance of the connection of the two pressure pipelines is improved, and the connection position of the two pressure pipelines has high sealing performance.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a locking sleeve in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a pressure plate in the embodiment of the present application.

Reference numerals: 1. a connecting pipe; 2. a connecting mechanism; 21. a sleeve; 211. a reinforcement ring; 22. a locking sleeve; 221. an opening; 23. an extrusion assembly; 231. pressing a plate; 2311. a groove; 232. a bolt; 233. a nut; 3. a barrier structure; 31. a baffle plate; 4. a seal ring; 5. and a gasket.

Detailed Description

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

The embodiment of the application discloses high sealed pressure pipeline connection structure.

Referring to fig. 1 and 2, a high-sealed pressure pipe connection structure includes a connection pipe 1 and a connection mechanism 2; the both ends of connecting pipe 1 stretch into the tip of two adjacent pipeline under pressure respectively, and the middle part of connecting pipe 1 is provided with and hinders 1 middle part of connecting pipe entering pipeline under pressure's block structure 3, is provided with between the lateral wall of connecting pipe 1 and pipeline under pressure's the inside wall to be used for carrying out sealed sealing washer 4 to both.

Referring to fig. 2, the blocking structure 3 is a baffle 31 or a protrusion, in the embodiment of the present application, the baffle 31 is adopted, and the inner wall of the baffle 31 is fixedly connected to the outer wall of the connecting pipe 1; when a constructor stretches the two ends of the connecting pipe 1 into the two adjacent pressure pipelines respectively, the two ends of the sealing rings 4 are sleeved with the sealing rings 4, one end of the connecting pipe 1 is pressed into one of the pressure pipelines until the baffle 31 is attached to the end of the pressure pipeline, and the other end of the connecting pipe 1 is sleeved with the other pressure pipeline.

With reference to fig. 2 and 3, the connecting mechanism 2 includes a sleeve 21, a locking sleeve 22 and a pressing assembly 23 disposed on the pressure line for pressing the locking sleeve 22 to move toward the inside of the sleeve 21; the sleeve 21 is integrally cylindrical, two ends of the sleeve 21 are respectively sleeved on the end parts of two adjacent pressure pipelines, and two sections of the sleeve 21 are obliquely arranged and are in a bell mouth shape; the lock sleeve 22 is provided with two, and two lock sleeves 22 correspond with the both ends of sleeve 21 respectively, and the lateral wall slope of lock sleeve 22 sets up and laminates with the terminal surface of sleeve 21, and the inside wall of lock sleeve 22 and pipeline under pressure's lateral wall laminating have seted up the opening 221 who runs through inner wall, outer wall and two terminal surfaces of lock sleeve 22 on the lock sleeve 22.

Referring to fig. 2, the compressing assembly 23 includes a pressing plate 231, a bolt 232, and a nut 233; the number of the pressing plates 231 is two, a through hole is formed in the middle of each pressing plate 231, the two pressing plates 231 are respectively sleeved on the two adjacent pressure pipelines through the respective through holes, and the side walls of the two pressing plates 231 are respectively abutted to the two locking sleeves 22; the bolts 232 are arranged at intervals along the circumferential direction of the pressure plates 231, the number of the nuts 233 is the same as that of the bolts 232, the free ends of the bolts 232 penetrate through the two pressure plates 231, the heads of the bolts 232 abut against one of the pressure plates 231, and the nuts 233 are in threaded connection with the free ends of the bolts 232 and abut against the other pressure plate 231.

When the constructor uses the connecting mechanism 2 to connect the two pressure pipelines together, the two pressure plates 231 are respectively sleeved on the two pressure pipelines, then, the two locking sleeves 22 are respectively sleeved on the two pressure pipelines, one end of the connecting pipe 1 is inserted into one of the pressure pipelines, the pressure pipeline and the connecting pipe 1 are inserted into the sleeve 21 together, the end part of the other pressure pipeline is sleeved on the other end of the connecting pipe 1, finally, the bolt 232 and the nut 233 are installed on the two pressing plates 231, the head of the bolt 232 is fixed by one wrench, the nut 233 is screwed by the other wrench to enable the two pressing plates 231 to approach each other, the two pressing plates 231 respectively extrude the two locking sleeves 22 until all the nuts 233 are screwed, the two locking sleeves 22 are respectively clamped on the two pressure pipelines which are connected together.

In other embodiments, the compression assembly 23 may further include a compression plate 231 and a screw; two pressure plates 231 are arranged, the two pressure plates 231 are respectively sleeved on the two adjacent pressure pipelines, and the side walls of the two pressure plates 231 are respectively abutted against the two locking sleeves 22; the screw is provided with two sets ofly, and two sets of screws correspond with two clamp plates 231 respectively, and every group screw is provided with a plurality ofly, and the axial interval distribution of clamp plate 231 is followed to a plurality of screws, and the free end of screw runs through clamp plate 231 threaded connection on sleeve 21.

Referring to fig. 2, in order to further improve the resistance of the connection position of the pressure pipes to pavement settlement, a reinforcing ring 211 is fixedly connected to the middle of the inner side wall of the sleeve 21, and the reinforcing ring 211 reinforces the connection position of the two pressure pipes.

Through a series of installation operations, constructors find that the steps of connecting two pressure pipelines together are complicated, and therefore, referring to fig. 2, the outer side wall of the baffle 31 is fixedly connected to the inner side wall of the reinforcing ring 211; when a constructor connects two pressure pipelines together, the end part of the connecting pipe 1 is sleeved with the sealing ring 4, then the two locking sleeves 22 are respectively installed at the two end parts of the sleeve 21, the pressing plate 231, the bolt 232 and the nut 233 are pre-installed on the sleeve 21, next, one of the pressure pipelines extends into and is sleeved on one end part of the connecting pipe 1 from one of the pressing plates 231, the other pressure pipeline extends into and is sleeved on the other end part from the other pressing plate 231, when the pipelines are connected, a worker can pre-install the connecting structure, and the connecting efficiency of the pressure pipelines is greatly improved.

In order to enable the pressure pipeline to enter the reinforcing ring 211 more conveniently, the position, corresponding to the inner wall, of the end face of the reinforcing ring 211 is subjected to chamfering treatment, the chamfering guides the end part of the pressure pipeline, and the connecting efficiency of the pressure pipeline is further improved.

With reference to fig. 2 and 4, a groove 2311 for limiting the rotation of the head of the bolt 232 is formed in the pressing plate 231 corresponding to the head of the bolt 232, and after the head of the bolt 232 is embedded into the groove 2311, a constructor can finish the mutual approach of the two pressing plates 231 by only screwing the nut 233, so that the constructor can more conveniently screw the nut 233.

Referring to fig. 2, a sealing gasket 5 is arranged between the end of the pressure pipe and the baffle plate 31, and the sealing gasket 5 seals between the end of the pressure pipe and the baffle plate 31, so that the sealing performance of the connection of the two pressure pipes is improved, and the connection position of the two pressure pipes has high sealing performance.

The implementation principle of the high-sealing pressure pipeline connecting structure in the embodiment of the application is as follows: when a constructor connects two pressure pipelines together, firstly, the end part of the connecting pipe 1 is sleeved with the sealing ring 4, then the two locking sleeves 22 are respectively installed at the two end parts of the sleeve 21, then the connecting mechanism 2 is pre-installed, then the end parts of the two pressure pipelines extend into the sleeve 21, the end parts of the two pressure pipelines are respectively sleeved on the two end parts of the connecting pipe 1, and then all the nuts 233 are screwed to connect the two pressure pipelines together; when the road surface takes place to subside and forms the extrusion to pipeline under pressure's junction, connecting pipe 1 hinders two pipeline under pressure dislocation, and coupling mechanism 2 also reduces the dislocation between the pipeline under pressure to a certain extent to two sleeves 21 and beaded finish 211 simultaneously, and under the combined action, high sealed pipeline under pressure connection structure has improved pipeline under pressure's the hookup location ability of resisting the road surface and subsiding.

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 a high sealed pressure pipeline connection structure which characterized in that: comprises a connecting pipe (1) and a connecting mechanism (2) for connecting two adjacent pressure pipelines;

the both ends of connecting pipe (1) stretch into two adjacent pipeline under pressure's tip respectively, the middle part of connecting pipe (1) is provided with the hindrance connecting pipe (1) middle part gets into pipeline under pressure's block structure (3), be provided with between the lateral wall of connecting pipe (1) and pipeline under pressure's the inside wall and be used for carrying out sealed sealing washer (4) to both.

2. A high-seal pressure pipe connection structure as claimed in claim 1, wherein: the connecting mechanism (2) comprises a sleeve (21), a locking sleeve (22) and a squeezing assembly (23) which is arranged on the pressure pipeline and used for squeezing the locking sleeve (22) to move towards the interior of the sleeve (21);

the two ends of the sleeve (21) are respectively sleeved on the end parts of two adjacent pressure pipelines, the end surface of the sleeve (21) inclines from the outer wall of the sleeve (21) to the inner wall of the sleeve (21), and the length of the outer wall of the sleeve (21) is greater than that of the inner wall of the sleeve (21);

locking sleeve (22) are provided with two, two locking sleeve (22) respectively with the both ends of sleeve (21) correspond, the lateral wall slope setting of locking sleeve (22) and the terminal surface laminating of sleeve (21), the inside wall of locking sleeve (22) and pipeline under pressure's lateral wall laminating, seted up on locking sleeve (22) and run through opening (221) of inner wall, outer wall and two terminal surfaces of locking sleeve (22).

3. A high-seal pressure pipe connection structure as claimed in claim 2, wherein: the inner side wall of the sleeve (21) is fixedly connected with a reinforcing ring (211) at a position corresponding to the connecting pipe (1).

4. A high seal pressure pipe connection according to claim 3, wherein: the extrusion assembly (23) comprises a pressure plate (231), a bolt (232) and a nut (233);

two pressure plates (231) are arranged, the two pressure plates (231) are respectively sleeved on the two adjacent pressure pipelines, and the side walls of the two pressure plates (231) are respectively abutted against the two locking sleeves (22);

the bolts (232) are arranged at intervals along the circumferential direction of the pressing plates (231), the number of the nuts (233) is the same as that of the bolts (232), the free ends of the bolts (232) penetrate through the two pressing plates (231), the head portions of the bolts (232) abut against one of the pressing plates (231), and the nuts (233) are in threaded connection with the free ends of the bolts (232) and abut against the other pressing plate (231).

5. The high-seal pressure pipe connection structure as claimed in claim 4, wherein: the blocking structure (3) is a baffle (31), the inner side wall of the baffle (31) is fixedly connected to the outer side wall of the connecting pipe (1), and the outer side wall of the baffle (31) is fixedly connected to the inner side wall of the reinforcing ring (211).

6. The high-seal pressure pipe connection structure as claimed in claim 4, wherein: a groove (2311) for limiting the rotation of the head part of the bolt (232) is formed on the pressure plate (231) corresponding to the head part of the bolt (232).

7. A high seal pressure pipe connection as claimed in claim 5, wherein: and the end surface of the reinforcing ring (211) is chamfered at a position corresponding to the inner wall of the reinforcing ring.

8. A high seal pressure pipe connection according to claim 5, wherein: a sealing gasket (5) is arranged between the end part of the pressure pipeline and the baffle plate (31).