CN213685698U

CN213685698U - Buried pipe connecting structure

Info

Publication number: CN213685698U
Application number: CN202022638585.3U
Authority: CN
Inventors: 李林涛; 李晓光; 郑少鹏; 黄日佳
Original assignee: Shaoguan Zhongqun Construction Co ltd
Current assignee: Shaoguan Zhongqun Construction Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-13
Anticipated expiration: 2030-11-13

Abstract

The utility model belongs to the technical field of buried pipeline and specifically relates to a buried pipe connection structure is related to, including setting up in the ring flange at two relative both ends of pipeline, be provided with the sealing washer between two ring flanges, all the cover is equipped with the clamp on two pipelines, be provided with the connecting rod between two clamps, the connecting rod is provided with two stoppers that are used for pressing from both sides tight two ring flanges, and two stoppers are inconsistent with a side surface of ring flange respectively, be provided with the locating component who is used for the stopper location between two stoppers and the ring flange that corresponds, be provided with many fastening bolt and a plurality of set nut between two ring flanges, each fastening bolt runs through two ring flanges and the set nut threaded connection who corresponds in proper order, be provided with the fastener that is. Under the dual function of fastening bolt and stopper, so can strengthen buried pipe's joint strength, make buried pipe be difficult for appearing not hard up or fracture and leaking because of fastening bolt.

Description

Buried pipe connecting structure

Technical Field

The application relates to the field of buried pipelines, in particular to a buried pipe connecting structure.

Background

With the development of industry and the progress of times, buried pipelines are more and more popular in people's life and are commonly used for projects of transporting energy gas, water supply and drainage and the like. Therefore, the application of the connecting structure for the buried pressure pipeline is also increasingly wide.

Many existing underground pipes comprise pipe bodies and flange plates arranged at the port parts of the pipe bodies, after the two adjacent pipe bodies are butted through the flange plates, the flange plates are fixed through a plurality of fastening bolts, and therefore the two pipe bodies are connected.

In view of the above-mentioned related art, the inventor believes that the fastening bolt may become loose or break after being used for a long time, so that the entire buried pipe may be easily loosened or broken between the threaded connection members, thereby causing leakage of the pipe and causing inconvenience to residents or factories.

SUMMERY OF THE UTILITY MODEL

In order to strengthen buried pipe's joint strength, this application provides a buried pipe connection structure.

The application provides a pair of underground pipe connection structure adopts following technical scheme:

the utility model provides a buried pipe connection structure, is including setting up in the ring flange at two pipeline relative both ends, two be provided with the sealing washer between the ring flange, two all the cover is equipped with the clamp, two on the pipeline be provided with the connecting rod between the clamp, the connecting rod is provided with two and is used for pressing from both sides tight two the stopper of ring flange, and two the stopper respectively with a side surface of ring flange is inconsistent, two the stopper and corresponding be provided with the locating component who is used for the stopper location between the ring flange, two be provided with many fastening bolt and a plurality of set nut between the ring flange, each fastening bolt runs through two in proper order the ring flange with correspond set nut threaded connection, two the clamp with be provided with between the connecting rod and be used for fixing the fastener of.

Through adopting the above-mentioned technical scheme, add the leakproofness of sealing washer between with two ring flanges of reinforcing, the condition that reduces to leak takes place, set up two stoppers that are used for pressing from both sides tight two ring flanges on the connecting rod, and utilize locating component to fix a position the stopper, it is fixed with the connecting rod location to add the clamp and utilize the fastener simultaneously, it walks the position to make the difficult skew of connecting rod, it is fixed with the ring flange butt joint with set nut to utilize fastening bolt, from this under the dual function of fastening bolt and stopper, so can strengthen the joint strength who buries the ground pipe, make buried pipe difficult appear becoming flexible or fracture and leaking because of fastening bolt.

Preferably, the locating component comprises a locating pin and a spring, the two opposite side surfaces of the limiting block are provided with locating grooves for the locating pin to extend out and retract, the spring is connected to the bottoms of the locating pin and the locating grooves, one side surface of the flange plate is provided with locating holes corresponding to the locating pin, and the locating pin is in plug-in fit with the locating holes.

Through adopting above-mentioned technical scheme, the stopper is contradicted in a side surface of ring flange, and the spring compression, locating pin atress extrusion retraction constant head tank, presss from both sides tight ring flange when two stoppers, and the locating pin stretches out and inserts to the locating hole under the effect of spring this moment to make the stopper tentatively fix a position on the ring flange, so that subsequent fixed link's operation.

Preferably, the fastener is fastening nut, the clamp is formed by a plurality of go-between concatenations, each be provided with the locating piece on the go-between, the nut set up in the locating piece is kept away from the one end of connecting rod, be provided with the perforation on the locating piece, the connecting rod runs through the perforation with just stretch out outside the perforation, nut thread bush is located on the connecting rod.

Through adopting above-mentioned technical scheme, the connecting rod is located to nut thread bush and is contradicted in the locating piece, has played limiting displacement to the connecting rod, makes the difficult skew of connecting rod walk the position, also can strengthen the stability between connecting rod and the locating piece.

Preferably, a gasket is arranged between the nut and the limiting block, and the gasket is sleeved on the connecting rod.

Through adopting above-mentioned technical scheme, the area of contact between nut and the locating piece has been increased in the setting of gasket to stability between nut and the locating piece has been strengthened.

Preferably, adjacent two the both ends that the go-between is relative are provided with first butt piece and second butt piece respectively, first butt piece with the cooperation of second butt piece butt, be provided with positioning bolt on the first butt piece, be provided with first through-hole on the first butt piece, be provided with the second through-hole on the second butt piece, just second butt piece is kept away from the one end of first butt piece is provided with the fixed block, a side surface of fixed block be provided with the screw hole that positioning bolt corresponds, positioning bolt runs through in proper order first through-hole and second through-hole and with screw hole threaded connection.

Through adopting above-mentioned technical scheme, positioning bolt runs through first through-hole and second through-hole and screw hole screw-thread fit, makes a plurality of go-between form a clamp, so can strengthen the stability between two adjacent go-between, makes firm the fixing on buried pipeline of a plurality of go-between, the equipment and the dismantlement of the clamp of also being convenient for.

Preferably, a plurality of insertion blocks are arranged on the first abutting block, and insertion holes matched with the insertion blocks in an inserting mode are formed in the surface, facing the first abutting block, of one side of the second abutting block.

Through adopting above-mentioned technical scheme, the cooperation of pegging graft with the jack of inserted block makes first butt piece and second butt piece fix a position, makes first through-hole and second through-hole align to be convenient for subsequent bolt run through first through-hole and second through-hole and the screw hole threaded connection operation that corresponds.

Preferably, a plurality of elastic clamping blocks are arranged in the surfaces of two sides of the sealing ring, two ends, far away from the pipeline, of the flange plates are provided with clamping holes corresponding to the elastic clamping blocks, and the elastic clamping blocks are in clamping fit with the corresponding clamping holes.

Through adopting above-mentioned technical scheme, elasticity fixture block and card hole joint cooperation make the sealing washer install on the ring flange fast to make the sealing washer be located on the ring flange fast.

Preferably, a circular ring and an annular groove corresponding to the circular ring are respectively arranged between the two opposite side surfaces of the flange plate, and the circular ring is in inserting fit with the annular groove.

By adopting the technical scheme, the ring and the annular groove are in plug-in fit to play a role in positioning the two flange plates, so that the two flange plates are conveniently in butt joint installation, and the two flange plates are conveniently fixed subsequently.

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

1. the connecting rod is provided with two limiting blocks for clamping the two flange plates, the flange plates are preliminarily positioned by the positioning assembly, meanwhile, the clamp is additionally arranged and the connecting rod is fixedly positioned by the clamp, so that the connecting rod is not easy to deviate and move, and the connecting strength of the buried pipe can be enhanced under the dual actions of the fastening bolt and the limiting blocks;

2. when the two limiting blocks clamp the flange, the positioning pins extend out under the action of the springs and are inserted into the positioning holes, so that the limiting blocks are preliminarily positioned on the flange, and the subsequent operation of fixing the connecting rod is facilitated;

3. the ring is in splicing fit with the annular groove, so that the two flange plates are positioned, and the two flange plates are conveniently aligned and installed.

Drawings

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

FIG. 2 is a schematic view of the assembly relationship between two conduits according to an embodiment of the present application;

FIG. 3 is a schematic view of the assembly relationship between two connection rings according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a part of the pipeline and the limiting block after being cut open in the embodiment of the application.

Description of reference numerals: 1. a pipeline; 2. a flange plate; 3. a circular ring; 4. an annular groove; 5. a seal ring; 6. an elastic clamping block; 7. a clamping hole; 8. a connecting rod; 9. a limiting block; 10. a positioning assembly; 101. positioning pins; 102. a spring; 11. positioning a groove; 12. positioning holes; 13. fastening a bolt; 14. positioning a nut; 15. a connecting ring; 16. a first abutment block; 17. a second abutment block; 18. a jack; 19. a first through hole; 20. a second through hole; 21. a fixed block; 22. a threaded hole; 23. fastening a nut; 24. positioning blocks; 25. perforating; 26. a gasket; 27. positioning the bolt; 28. and (5) inserting the blocks.

Detailed Description

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

The embodiment of the application discloses buried pipe connection structure. Referring to fig. 1, a buried pipe connecting structure includes flanges 2 integrally formed at opposite ends of two pipes 1. Two relative both ends of ring flange 2 are provided with ring 3 and ring channel 4 respectively, and ring 3 welds on a ring flange 2, and ring channel 4 is seted up on another ring flange 2, and when two ring flanges 2 butt joints, ring 3 and ring channel 4 grafting cooperation, fix a position the butt joint to two ring flanges 2 from this. In addition, a sealing ring 5 is arranged between the two flange plates 2, and the sealing ring 5 is positioned in the circular ring 3 to seal the two flange plates 2. For making the difficult skew of sealing washer 5 walk the position, the equal circumference integrated into one piece in both sides surface of sealing washer 5 has polylith elasticity fixture block 6, and in this embodiment, the quantity of elasticity fixture block 6 is four. In addition, the end of each flange plate 2, which is far away from the pipeline 1, is provided with a clamping hole 7 corresponding to the four elastic clamping blocks 6, and each elastic clamping block 6 is in clamping fit with the corresponding clamping hole 7, so that the sealing ring 5 is positioned on the flange plate 2.

Referring to fig. 1 and 4, two ring flanges 2 all are provided with three connecting rods 8 along the circumference direction, two stopper 9 that are used for pressing from both sides two ring flanges 2 are all welded to the 8 lateral walls of three connecting rods, and the distance between two stopper 9 is the thickness of two ring flanges 2. Simultaneously, all set up the locating component 10 that is used for stopper 9 location between two stopper 9 and the ring flange 2, locating component 10 includes locating pin 101 and spring 102, and the constant head tank 11 that supplies locating pin 101 to stretch out and the retraction is all offered on two relative both sides surfaces of stopper 9, and spring 102 sets up in constant head tank 11, and spring 102's both ends respectively fixed connection in locating pin 101 and the 11 tank bottoms of constant head tank. In addition, the locating holes 12 corresponding to the locating pins 101 one to one are formed in the surfaces, close to the limiting blocks 9, of the two flange plates 2, the locating pins 101 are matched with the locating holes 12 in an inserting mode, the limiting blocks 9 are located on the flange plates 2 from this, the two flange plates 2 are clamped tightly, and the limiting blocks 9 are not prone to shifting. In order to facilitate the insertion of the positioning pin 101 into the positioning hole 12, the end of the positioning pin 101 away from the spring 102 is provided with a guide surface, when the flange 2 abuts against the guide surface, the positioning pin 101 is forced to retract into the positioning groove 11, and when the positioning pin 101 is aligned with the positioning hole 12, the positioning pin is inserted into the positioning hole 12.

After the two flange plates 2 are clamped by the two limiting blocks 9, a plurality of fastening bolts 13 are circumferentially arranged on one flange plate 2, and the plurality of fastening bolts 13 and the plurality of positioning holes 12 are arranged at intervals. And a positioning nut 14 is circumferentially arranged on the other flange plate 2, a plurality of fastening bolts 13 sequentially penetrate through the two flange plates 2 and extend out of the flange plates 2, and each positioning nut 14 is sleeved on the extending end of each fastening bolt 13 and is in threaded connection with the positioning nut 14, so that the two flange plates 2 are fixed together.

Referring to fig. 1 and 3, two pipes 1 are sleeved with a hoop, and in this embodiment, the hoop is formed by splicing three connecting rings 15. In a clamp, a first abutting block 16 and a second abutting block 17 are welded to two opposite ends of two adjacent connecting rings 15 respectively, and the first abutting block 16 is in abutting fit with the second abutting block 17. In order to facilitate the positioning of the first abutting block 16 and the second abutting block 17, a plurality of insert blocks 28 are welded on the surface of one side of the first abutting block 16 close to the second abutting block 17, the number of the insert blocks 28 is preferably four, and the four insert blocks 28 are uniformly distributed at four end corners of the first abutting block 16. Meanwhile, the surface of one side of the second abutting block 17 facing the first abutting block 16 is provided with jacks 18 corresponding to the four insertion blocks 28 one by one, and each insertion block 28 is in insertion fit with the corresponding jack 18.

Meanwhile, a positioning bolt 27 is arranged on the first abutting block 16, a first through hole 19 which penetrates through the first abutting block 16 is formed in the center of the first abutting block 16, a second through hole 20 which penetrates through the second abutting block 17 is formed in the second abutting block 17, a fixed block 21 is welded at one end, far away from the first abutting block 16, of the second abutting block 17, a threaded hole 22 corresponding to the positioning bolt 27 is formed in the fixed block 21 from one side surface, connected with the second abutting block 17, the threaded hole 22 is communicated with the second through hole 20, the positioning bolt 27 penetrates through the first through hole 19 and the second through hole 20 in sequence and is in threaded connection with the threaded hole 22, so that the first abutting block 16 is fixed with the second abutting block 17, and the clamp is firmly sleeved on the pipeline 1.

Referring to fig. 4, in addition, a fastening member for fixing each connecting rod 8 is provided between each of the two clips and the three connecting rods 8, and in this embodiment, the fastening member is a fastening nut 23. Each go-between 15 keeps away from one side skin weld of pipeline 1 has the locating piece 24 that is the cuboid setting, fastening nut 23 sets up in the one end that connecting rod 8 was kept away from to locating piece 24, the perforation 25 that is the through setting is seted up to the one end of locating piece 24's length direction, connecting rod 8 runs through perforation 25 and just stretches out outside perforation 25, fastening nut 23 thread bush is located on connecting rod 8, and fastening nut 23 supports tight locating piece 24, make connecting rod 8 fix on the clamp from this, thereby strengthen the joint strength of two buried pipes. In addition, a gasket 26 is arranged between the fastening nut 23 and the limiting block 9, and the gasket 26 is sleeved on the connecting rod 8, so that the contact area between the fastening nut 23 and the positioning block 24 is increased, and the fastening nut 23 and the positioning block 24 are more stable.

The implementation principle of the buried pipe connection structure in the embodiment of the application is as follows: all add the clamp on two buried pipes, the clamp is fixed in on pipeline 1, utilize two stopper 9 to press from both sides tight ring flange 2 simultaneously, make ring flange 2 press from both sides tight location, utilize fastening bolt 13 to fix two ring flange 2 together, connecting rod 8 runs through perforation 25 and fastening nut 23 threaded connection on the locating piece 24, from this with connecting rod 8 fixed, so under fastening bolt 13 and stopper 9's combined action, make two ring flange 2 butt joint fixed, can strengthen buried pipe's joint strength, the condition emergence of just appearing leaking after making the difficult fastening bolt 13 of buried pipe not hard up or splitting.

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 buried pipe connection structure, is including setting up in ring flange (2) at two pipeline (1) relative both ends, its characterized in that: a sealing ring (5) is arranged between the two flange plates (2), two pipelines (1) are both sleeved with a hoop, a connecting rod (8) is arranged between the two hoops, the connecting rod (8) is provided with two limiting blocks (9) for clamping the two flange plates (2), and two stopper (9) respectively with a side surface of ring flange (2) is inconsistent, two stopper (9) and corresponding be provided with between ring flange (2) and be used for positioning locating component (10) of stopper (9) location, two be provided with many fastening bolt (13) and a plurality of set nut (14) between ring flange (2), each fastening bolt (13) run through two in proper order ring flange (2) and corresponding set nut (14) threaded connection, two the clamp with be provided with between connecting rod (8) and be used for fixing the fastener of connecting rod (8).

2. A buried pipe connecting structure according to claim 1, wherein: locating component (10) includes locating pin (101) and spring (102), two the relative both sides surface of stopper (9) all is provided with the confession locating slot (11) that locating pin (101) stretched out and retract into, spring (102) connect in locating pin (101) and locating slot (11) tank bottom, a side surface of ring flange (2) be provided with locating hole (12) that locating pin (101) correspond, locating pin (101) with locating hole (12) are pegged graft and are cooperated.

3. A buried pipe connecting structure according to claim 1, wherein: the fastener is fastening nut (23), the clamp is formed by a plurality of go-between (15) concatenation, each be provided with locating piece (24) on go-between (15), fastening nut (23) set up in locating piece (24) are kept away from the one end of connecting rod (8), be provided with on locating piece (24) and perforate (25), connecting rod (8) run through perforate (25) with just stretch out outside perforate (25), fastening nut (23) thread bush is located on connecting rod (8).

4. A buried pipe connecting structure according to claim 3, wherein: a gasket (26) is arranged between the fastening nut (23) and the limiting block (9), and the gasket (26) is sleeved on the connecting rod (8).

5. A buried pipe connecting structure according to claim 3, wherein: adjacent two the both ends that go up ring (15) are relative are provided with first butt joint piece (16) and second butt joint piece (17) respectively, first butt joint piece (16) with second butt joint piece (17) butt cooperation, be provided with positioning bolt (27) on first butt joint piece (16), be provided with first through-hole (19) on first butt joint piece (16), be provided with second through-hole (20) on second butt joint piece (17), just second butt joint piece (17) is kept away from the one end of first butt joint piece (16) is provided with fixed block (21), a side surface of fixed block (21) be provided with screw hole (22) that positioning bolt (27) correspond, positioning bolt (27) run through in proper order first through-hole (19) and second through-hole (20) and with screw hole (22) threaded connection.

6. A buried pipe connecting structure according to claim 5, wherein: the first butt joint block (16) is provided with a plurality of plug blocks (28), and one side surface of the second butt joint block (17) facing the first butt joint block (16) is provided with a plurality of plug holes (18) which are in plug fit with the plug blocks (28).

7. A buried pipe connecting structure according to claim 1, wherein: the sealing ring is characterized in that a plurality of elastic clamping blocks (6) are arranged in the surfaces of two sides of the sealing ring (5), the flange plate (2) is far away from one end of the pipeline (1) and is provided with clamping holes (7) corresponding to the elastic clamping blocks (6), and the elastic clamping blocks (6) are in clamping fit with the corresponding clamping holes (7).

8. A buried pipe connecting structure according to claim 1, wherein: two be provided with ring (3) and ring channel (4) corresponding with ring (3) between the relative both sides surface of ring flange (2) respectively, ring (3) and ring channel (4) are pegged graft the cooperation.