CN212251649U

CN212251649U - A quick butt joint fixing device for PE feed pipe

Info

Publication number: CN212251649U
Application number: CN202021022787.9U
Authority: CN
Inventors: 王新路; 陈华明; 钱志伟; 傅彬彬; 徐海江
Original assignee: Guizhou Fengye Pipe Co ltd
Current assignee: Guizhou Fengye Pipe Co ltd
Priority date: 2020-06-07
Filing date: 2020-06-07
Publication date: 2020-12-29
Anticipated expiration: 2030-06-07

Abstract

The utility model relates to a PE feed pipe jointing equipment technical field specifically is a dock fixing device fast for PE feed pipe, including first PE feed pipe and second PE feed pipe, first PE feed pipe and the butt joint that is parallel to each other of second PE feed pipe are provided with the butt joint pipe between first PE feed pipe and the second PE feed pipe, and beneficial effect is: the utility model realizes convenient and quick installation by arranging a special butt joint pipe, usually in a mode of splicing and screw thread extrusion fixing, greatly improves the installation efficiency, and simultaneously improves the connection strength by splicing and matching the mode of screw thread extrusion connection, avoids the connection position from falling off, and improves the stability of pipeline transportation; through the cooperation that sets up flexible cuff and the extrusion helicoidal that can stretch out and draw back from top to bottom, realize further improving on the basis of cup jointing the connection and connect the leakproofness for the interior outer pipeline of pegging graft further extrudees fixedly, thereby has improved the leakproofness of pipeline butt joint greatly, avoids causing and reveals.

Description

A quick butt joint fixing device for PE feed pipe

Technical Field

The utility model relates to a PE feed pipe jointing equipment technical field specifically is a quick butt joint fixing device for PE feed pipe.

Background

Polyethylene (PE) pipes are widely used for building water supply, building drainage, buried drainage pipes, building heating and gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes and the like due to their unique advantages. The method is mainly applied to the fields of urban water supply, urban gas supply, farmland irrigation and the like.

In the use of PE feed pipe, often need seal the butt joint with two PE feed pipes, and current butt joint mode is comparatively complicated, and does not have dedicated butt joint instrument, leads to hookup location intensity lower, causes the connection to drop easily, and along with the impact of rivers, hookup location's leakproofness reduces simultaneously, appears revealing the circumstances such as easily to cause the waste of transportation resource.

Therefore, the quick butt joint fixing device for the PE water supply pipe is provided, and the problems of butt joint installation and sealing of the PE water supply pipe are solved.

Disclosure of Invention

An object of the utility model is to provide a dock fixing device fast for PE feed pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a quick butt joint fixing device for a PE water supply pipe comprises a first PE water supply pipe and a second PE water supply pipe, wherein the first PE water supply pipe and the second PE water supply pipe are in butt joint in parallel, a butt joint pipe is arranged between the first PE water supply pipe and the second PE water supply pipe, the inner wall of the butt joint pipe is provided with an inner casing pipe which runs through and extends from left to right, the outer walls of the left end and the right end of the butt joint pipe are provided with limiting circular ring bulges, the middle outer wall of the butt joint pipe is fixedly bonded with a circular middle extension plate, the outer wall of a circular arc between the butt joint pipe and the limiting circular ring bulges is provided with an external thread, the left side and the right side of the middle extension plate are vertically welded with four connecting rods distributed in a circular array, the outer ends of two groups of the connecting rods which are bilaterally symmetrical are respectively connected with a first external ring and a second external ring, and an external inserting groove is arranged in, the clearance of first external ring, the outer joint ring of second and middle extension board left and right ends sets up to locking the inner chamber, and one side that first external ring, the outer joint ring of second are close to flexible cuff is provided with the adjustment tank, flexible cuff has been cup jointed to the inner chamber in outer insertion groove, the extrusion helicoid has been cup jointed to the inner chamber in locking the inner chamber, flexible cuff comprises last clamp and lower clamp of last end-to-end symmetry, go up and be provided with bilateral symmetry's a pair of lift groove between clamp and the lower clamp, the vertical slip grafting of inner chamber in lift groove has the stripper bar, one side inner wall that the extrusion helicoid is close to middle extension board is provided with the internal thread, and the opposite side inner wall of extrusion helicoid is provided with the reaming chamfer, the inboard of reaming chamfer is provided with toper extrusion groove, be provided with the spacing groove between toper extrusion groove and the.

Preferably, the gap between the left end and the right end of the butt joint pipe and the outer wall of the inner casing pipe coincides with the outer insertion groove, and the circular outer walls of the first PE water supply pipe and the second PE water supply pipe are inserted into the inner cavity of the outer insertion groove in parallel.

Preferably, the outer diameters of the first external ring and the second external ring are larger than the outer diameter of the telescopic hoop, and the inner diameters of the first external ring and the second external ring are larger than the outer diameters of the first PE water supply pipe and the second PE water supply pipe.

Preferably, the extrusion stem slides and pegs graft on the terminal surface of last clamp and lower clamp, and the spring has been cup jointed to the outer wall of extrusion stem, the upper and lower both ends of spring support respectively on the terminal surface of last clamp and lower clamp.

Preferably, the outer diameter of the inner-layer sleeve is the same as the inner diameters of the first PE water supply pipe and the second PE water supply pipe, through holes penetrate through the left end and the right end of the inner-layer sleeve, and the left end and the right end of each through hole are communicated with the inner cavities of the first PE water supply pipe and the second PE water supply pipe respectively.

Preferably, the inner diameter of the outer side of the reaming chamfer is larger than the outer diameter of the telescopic hoop, the inner diameter of the inner side of the reaming chamfer is equal to the outer diameter of the telescopic hoop, and the reaming chamfer is smoothly connected with the conical extrusion groove.

Preferably, go up the clamp and the clamp is close to the perpendicular welding of one side outer wall of first external ring and the external ring of second has spacing extension rod down, spacing extension rod slides and pegs graft in the inner chamber of adjustment tank.

Preferably, one side of the extrusion helicoid is rotatably installed on the external thread through the internal thread, the other end of the extrusion helicoid is sleeved on the outer wall of the telescopic hoop, the limiting groove of the inner cavity of the extrusion helicoid is tightly pressed on the outer walls of the upper hoop and the lower hoop, and a gap between the limiting groove and the internal thread is arranged to be a limiting inner cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model realizes convenient and quick installation by arranging a special butt joint pipe, usually in a mode of splicing and screw thread extrusion fixing, greatly improves the installation efficiency, and simultaneously improves the connection strength by splicing and matching the mode of screw thread extrusion connection, avoids the connection position from falling off, and improves the stability of pipeline transportation;

2. the utility model discloses a setting up the flexible cuff that can stretch out and draw back from top to bottom and the cooperation of extrusion helicoidal, realizing further improving on the basis of cup jointing the connection and connecting the leakproofness for the inside and outside pipeline of pegging graft further extrudees fixedly, thereby has improved the leakproofness of pipeline butt joint greatly, avoids causing and reveals.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 2;

FIG. 4 is a schematic view of the three-dimensional structure of the extruded coil of the present invention;

FIG. 5 is a schematic perspective view of the retractable ferrule of the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the butt joint pipe of the present invention.

In the figure: 1. a first PE water supply pipe; 2. a second PE water supply pipe; 3. butt-joint pipes; 4. an inner casing; 5. a middle extension plate; 6. a connecting rod; 7. a first external ring; 8. a second externally-connected ring; 9. an adjustment groove; 10. an outer inserting groove; 11. a telescopic hoop; 12. extruding the coil; 13. an extension rod is limited; 14. a limiting inner cavity; 15. an external thread; 16. an internal thread; 17. reaming and chamfering; 18. a limiting groove; 19. a tapered extrusion groove; 20. an upper hoop; 21. a lower hoop; 22. a lifting groove; 23. an extrusion stem; 24. a spring; 25. the limiting ring is protruded; 26. locking the inner cavity; 27. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a quick butt joint fixing device for PE feed pipe, includes first PE feed pipe 1 and second PE feed pipe 2, and first PE feed pipe 1 and second PE feed pipe 2 are parallel to each other to be docked, are provided with between first PE feed pipe 1 and the second PE feed pipe 2 and take over 3.

The inner wall of the butt joint pipe 3 is provided with an inner layer sleeve 4 which runs through and extends from left to right, the outer diameter of the inner layer sleeve 4 is the same as the inner diameters of the first PE water supply pipe 1 and the second PE water supply pipe 2, through holes 27 are arranged at the left end and the right end of the inner layer sleeve 4 in a running-through mode, the left end and the right end of each through hole 27 are respectively communicated with the inner cavities of the first PE water supply pipe 1 and the second PE water supply pipe 2, and the first PE water supply pipe 1 and the second PE water supply pipe 2 are communicated with each other through the cooperation of the inner layer sleeve 4 and.

The fixed annular middle extension board 5 that bonds of the middle outer wall of butt joint pipe 3, the left and right sides of middle extension board 5 all vertically welds four connecting rods 6 that the circumference array distributes, and first external ring 7 and the outer ring 8 that connects of second are connected respectively to bilateral symmetry's two sets of connecting rods 6's outer end, utilize connecting rod 6 and the cooperation of middle extension board 5, realize the fixed mounting of first external ring 7 and the outer ring 8 that connects of second.

The external diameter of first external ring 7 and the second external ring 8 is greater than the external diameter of flexible cuff 11, and the internal diameter of first external ring 7 and the second external ring 8 is greater than the external diameter of first PE feed pipe 1 and second PE feed pipe 2, through injecing the external diameter size in first external ring 7 and the second external ring 8 to avoid first external ring 7 and the second external ring 8 to influence the butt joint of pipeline.

The clearance between first external ring 7, second external ring 8 and the both ends about the butt joint pipe 3 is provided with outer inserting groove 10, the clearance between the outer wall of both ends and inlayer sleeve pipe 4 about the butt joint pipe 3 coincides with outer inserting groove 10, the parallel grafting of the ring outer wall of first PE feed pipe 1 and second PE feed pipe 2 is in the inner chamber of outer inserting groove 10, utilize outer inserting groove 10 to realize the preliminary grafting installation of the inboard inlayer sleeve pipe 4 of butt joint pipe 3 and first PE feed pipe 1, the 2 inner walls of second PE feed pipe.

Both ends outer wall is provided with spacing ring arch 25 about to joint pipe 3, the circular arc outer wall between joint pipe 3 and the spacing ring arch 25 is provided with external screw thread 15, first external ring 7, the clearance at both ends sets up to locking inner chamber 26 about second external ring 8 and middle extension board 5, the inner chamber of locking inner chamber 26 has cup jointed extrusion helicoid 12, one side inner wall that extrusion helicoid 12 is close to middle extension board 5 is provided with

internal thread

16, 16 threaded rotation of internal thread are passed through to one side of extrusion helicoid 12 installs on external screw thread 15, through the thread engagement of internal thread 16 with external screw thread 15, realize extrusion helicoid 12 and install in the rotation of joint pipe 3 outer wall.

First external ring 7, the second external ring 8 is provided with adjustment tank 9 near one side of flexible cuff 11, flexible cuff 11 has been cup jointed to the inner chamber of outer extrapolation groove 10, flexible cuff 11 comprises last clamp 20 and lower clamp 21 of upper end symmetry, it has spacing extension rod 13 to go up clamp 20 and lower clamp 21 and be close to the perpendicular welding of one side outer wall of first external ring 7 and the second external ring 8, spacing extension rod 13 slides and pegs graft in the inner chamber of adjustment tank 9, utilize spacing extension rod 13 to inject the turned angle of going up clamp 20 and lower clamp 21, go up and down through spacing extension rod 13 and the cooperation of adjustment tank 9, thereby adjust the internal diameter of flexible cuff 11.

Go up a pair of lift groove 22 that is provided with bilateral symmetry between clamp 20 and the lower clamp 21, the vertical slip of inner chamber in lift groove 22 is pegged graft and is had the extrusion stem 23, extrusion stem 23 slides and pegs graft on the terminal surface of last clamp 20 and lower clamp 21, the spring 24 has been cup jointed to the outer wall of extrusion stem 23, the upper and lower both ends of spring 24 are supported respectively on the terminal surface of last clamp 20 and lower clamp 21, utilize the cooperation of spring 24 and extrusion stem 23, the extrusion goes up and down about between clamp 20 and the lower clamp 21 in the realization, thereby make flexible cuff 11 provide the extrusion force.

The inner wall of the other side of the extrusion helicoidal ring 12 is provided with a reaming chamfer 17, the inner diameter of the outer side of the reaming chamfer 17 is larger than the outer diameter of the telescopic hoop 11, the inner diameter of the inner side of the reaming chamfer 17 is equal to the outer diameter of the telescopic hoop 11, the reaming chamfer 17 is smoothly connected with the conical extrusion groove 19, and the reaming chamfer 17 is utilized to realize convenient sleeving between the extrusion helicoidal ring 12 and the telescopic hoop 11.

A conical extrusion groove 19 is arranged on the inner side of the reaming chamfer 17, a limit groove 18 is arranged between the conical extrusion groove 19 and the internal thread 16, the other end of the extrusion helicoid 12 is sleeved on the outer wall of the telescopic hoop 11, the limit groove 18 of the inner cavity of the extrusion helicoid 12 is tightly pressed on the outer walls of the upper hoop 20 and the lower hoop 21, a clearance between the right side of the limit groove 18 and the internal thread 16 is arranged as a limit inner cavity 14, the thread is screwed in by extruding the helicoid 12, so that the tapered pressing groove 19 presses the upper clamp 20 and the lower clamp 21, so that the upper clamp 20 and the lower clamp 21 are tightly attached to the outer walls of the first PE water supply pipe 1 and the second PE water supply pipe 2, when the catching groove 18 of the pressing coil 12 is pressed against the outer walls of the upper and

lower clips

20 and 21, the spring 24 is sufficiently compressed, thereby realizing further extrusion sealing, utilizing the spacing inner chamber 14 to limit the precession displacement of the extrusion helicoidal 12, and preventing extrusion injury.

The working principle is as follows: at first utilize the cooperation of inlayer sleeve pipe 4 and through-hole 27, realize first PE feed pipe 1 and second PE feed pipe 2's intercommunication each other, utilize connecting rod 6 and middle extension board 5's cooperation, realize the fixed mounting of first external ring 7 and the second external ring 8, through the interior external diameter size of injecing first external ring 7 and the second external ring 8, thereby avoid the butt joint that first external ring 7 and the second external ring 8 influence the pipeline, utilize outer inserting groove 10 to realize the inboard inlayer sleeve pipe 4 and first PE feed pipe 1 of butt joint pipe 3, the preliminary grafting installation of second PE feed pipe 2 inner wall.

Through the thread engagement of internal thread 16 and external screw thread 15, realize that extrusion helicoil 12 is in the rotation installation to 3 outer walls of butt joint pipe, utilize spacing extension rod 13 to inject the turned angle of going up clamp 20 and clamp 21 down, go up and down through the cooperation of spacing extension rod 13 and adjustment tank 9 to adjust the internal diameter of flexible cuff 11, utilize reaming chamfer 17 to realize that extrusion helicoil 12 and flexible cuff 11 between convenient cup jointing.

Along with the screw precession of extrusion helicoil 12 to extrusion helicoil 12 extrusion cup joints the outer wall at flexible cuff 11, makes the screw precession through extrusion helicoil 12, thereby makes the toper extrude groove 19 and extrude clamp 20 and lower clamp 21, makes last clamp 20 closely laminate at the outer wall of first PE feed pipe 1 and second PE feed pipe 2 with lower clamp 21, and spring 24 is compressed this moment, thereby makes flexible cuff 11 provide reverse extrusion force, has improved extrusion leakproofness greatly.

When the limiting groove 18 of the extrusion coil 12 is pressed on the outer walls of the upper clamp 20 and the lower clamp 21, the spring 24 is fully compressed, so that further extrusion sealing is realized, the screwing displacement of the extrusion coil 12 is limited by the limiting inner cavity 14, and extrusion injury is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick butt joint fixing device for PE service pipe, includes first PE service pipe (1) and second PE service pipe (2), its characterized in that: first PE feed pipe (1) and second PE feed pipe (2) are parallel to each other and dock, are provided with between first PE feed pipe (1) and the second PE feed pipe (2) and are docked (3), run through the inlayer sleeve pipe (4) that extend about the inner wall of docking pipe (3) is provided with, both ends outer wall is provided with spacing ring arch (25) about docking pipe (3), and the middle outer wall of docking pipe (3) is fixed to bond has annular middle extension board (5), and the circular arc outer wall between docking pipe (3) and spacing ring arch (25) is provided with external screw thread (15), the equal vertical welding in the left and right sides of middle extension board (5) has four connecting rods (6) that the circumference array distributes, and bilateral symmetry is two sets of first external ring (7) and second external ring (8) are connected respectively to the outer end of connecting rod (6), first external ring (7), An outer inserting groove (10) is arranged in a gap between the second outer connecting ring (8) and the left end and the right end of the butt joint pipe (3), an adjusting groove (9) is arranged on one side, close to the telescopic hoop (11), of the first outer connecting ring (7) and the second outer connecting ring (8), a telescopic hoop (11) is sleeved in an inner cavity of the outer inserting groove (10), an extruding screw ring (12) is sleeved in an inner cavity of the locking inner cavity (26), the telescopic hoop (11) is composed of an upper hoop (20) and a lower hoop (21) which are symmetrical in terms of upper end, a pair of lifting grooves (22) which are symmetrical in terms of left and right are arranged between the upper hoop (20) and the lower hoop (21), and an extruding rod (23) is vertically inserted in an inner cavity of the lifting grooves (22), one side inner wall that extrusion helicoidal (12) are close to middle extension board (5) is provided with internal thread (16), and the opposite side inner wall that extrudes helicoidal (12) is provided with reaming chamfer (17), the inboard of reaming chamfer (17) is provided with toper extrusion groove (19), be provided with spacing groove (18) between toper extrusion groove (19) and internal thread (16).

2. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: gaps between the left end and the right end of the butt joint pipe (3) and the outer wall of the inner layer sleeve (4) coincide with the outer insertion groove (10), and the circular outer walls of the first PE water supply pipe (1) and the second PE water supply pipe (2) are inserted into the inner cavity of the outer insertion groove (10) in parallel.

3. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: the outer diameters of the first external ring (7) and the second external ring (8) are larger than the outer diameter of the telescopic hoop (11), and the inner diameters of the first external ring (7) and the second external ring (8) are larger than the outer diameters of the first PE water supply pipe (1) and the second PE water supply pipe (2).

4. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: extrusion stem (23) slip grafting is on the terminal surface of last clamp (20) and lower clamp (21), and spring (24) have been cup jointed to the outer wall of extrusion stem (23), the upper and lower both ends of spring (24) are supported respectively on the terminal surface of last clamp (20) and lower clamp (21).

5. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: the outer diameter of the inner-layer sleeve (4) is the same as the inner diameters of the first PE water supply pipe (1) and the second PE water supply pipe (2), through holes (27) penetrate through the left end and the right end of the inner-layer sleeve (4), and the left end and the right end of each through hole (27) are communicated with inner cavities of the first PE water supply pipe (1) and the second PE water supply pipe (2) respectively.

6. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: the inner diameter of the outer side of the reaming chamfer (17) is larger than the outer diameter of the telescopic hoop (11), the inner diameter of the inner side of the reaming chamfer (17) is equal to the outer diameter of the telescopic hoop (11), and the reaming chamfer (17) is smoothly connected with the conical extrusion groove (19).

7. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: go up clamp (20) and lower clamp (21) and be close to one side outer wall of first external ring (7) and second external ring (8) and weld spacing extension rod (13) perpendicularly, spacing extension rod (13) slide and peg graft in the inner chamber of adjustment tank (9).

8. The quick butt joint fixing device for the PE water supply pipe as claimed in claim 1, wherein: one side of the extrusion helicoidal ring (12) is rotatably installed on the external thread (15) through the internal thread (16) and the other end of the extrusion helicoidal ring (12) is sleeved on the outer wall of the telescopic hoop (11), a limit groove (18) of the inner cavity of the extrusion helicoidal ring (12) is tightly pressed on the outer walls of the upper hoop (20) and the lower hoop (21), and a gap between the limit groove (18) and the internal thread (16) is set to be a limit inner cavity (14).