CN112901872A

CN112901872A - Pressure pipeline connecting structure and connecting method thereof

Info

Publication number: CN112901872A
Application number: CN202110153602.0A
Authority: CN
Inventors: 李逸春; 刘娜; 唐金龙
Original assignee: Hongchuan Construction Engineering Co ltd
Current assignee: Hongchuan Construction Engineering Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-06-04
Anticipated expiration: 2041-02-04
Also published as: CN112901872B

Abstract

The application relates to the technical field of pressure pipelines, in particular to a pressure pipeline connecting structure which comprises a pipe body, expansion hoses for bearing pressure and expanding and a connecting assembly for connecting two adjacent pipe bodies, wherein the pipe body comprises a main pipe, flaring pipes positioned at two ends of the main pipe and sliding pieces for connecting the flaring pipes and the main pipe; the connecting method of the related pressure pipeline comprises the steps of pre-installing an installation ring, installing an expansion hose, installing a flared pipe and installing the installation ring; through flaring pipe and expansion hose, be convenient for adjust the inside pressure of pipeline under pressure, reduce because of pipeline under pressure internal pressure is too big emergence crackle or explosion, extension pipeline under pressure's life, simultaneously, protect pipeline under pressure through the flaring pipe, improve expansion hose's pressure-bearing capacity.

Description

Pressure pipeline connecting structure and connecting method thereof

Technical Field

The application relates to the technical field of pressure pipelines, in particular to a pressure pipeline connecting structure and a connecting method thereof.

Background

A pipeline is a pipeline used for conveying, distributing, mixing, separating, discharging, metering, controlling and stopping fluid flow, and mainly comprises pipes, pipe fittings, flanges, bolt connections, gaskets, valves, other components or assemblies consisting of pressure parts and supporting parts; the pressure pipeline is a part in a pipeline, the pressure pipeline is a pipeline used for bearing the internal pressure of the pipeline or the external pressure of the pipeline, and the laying of the pressure pipeline at present mainly comprises the steps of overhead laying, ground following, underground laying and the like.

Chinese patent application No. 201711454520.X discloses a pressure pipe connection structure, which includes: the pipe and the joint body are arranged and connected along the axial direction of the pipeline, and the outer sleeve nut is fixedly connected with the outer surface of one end part of the joint body in a threaded manner, and the pipe and the joint body further comprise: a cannula, the cannula comprising: the sleeve pipe comprises a sleeve pipe body and a flange section, wherein the sleeve pipe body is arranged on the periphery of the guide pipe and is sleeved with the guide pipe; the flange section is positioned inside the outer sleeve nut, and the end surfaces of the two sides of the flange section are respectively abutted against and in limited contact fit with the inner end surface of the outer sleeve nut and the outer end surface of the joint body; and in the area where the sleeve body and the conduit are overlapped, the sleeve body and the conduit are provided with connecting sections which are fixedly connected in a concave deformation manner through press-fitting and extrusion towards the axis.

In view of the above-mentioned related technologies, the applicant believes that in the use of the pressure pipeline, the conduit is often cracked or exploded due to the excessive pressure, which affects the service life of the pipeline.

Disclosure of Invention

In order to prolong the service life of the pipeline, the application provides a pressure pipeline connecting structure and a connecting method thereof.

The application provides a pressure pipeline connection structure and a connection method thereof, which adopt the following technical scheme:

the utility model provides a pipeline under pressure connection structure, includes the body and is used for the expanded expansion hose of pressure-bearing and is used for connecting adjacent two the coupling assembling of body, the body is including being responsible for, being located the flaring pipe at being responsible for both ends and being used for connecting the piece that slides of flaring pipe and being responsible for, the flaring pipe is by being close to be responsible for to keeping away from be responsible for the cross sectional area grow gradually, the expansion hose with be responsible for and pass through the connecting piece and connect, the expansion hose is located adjacent two in the inner chamber of flaring pipe.

By adopting the technical scheme, when the pressure in the main pipe is too high, the pressure in the main pipe applies pressure to the expansion hose, the expansion hose expands, the expansion hose deforms to the maximum and is abutted against the inner wall of the flared pipe, the service life of the expansion hose is ensured, the internal pressure of the main pipe is reduced, and meanwhile, when the pressure pipeline is installed in an uneven installation environment, two adjacent flared pipes can slightly deviate along the radial direction, so that the installation of the pipe body is facilitated; the pressure pipeline connection structure of design through flaring pipe and expansion hose, is convenient for adjust the inside pressure of pipeline under pressure, reduces because of pipeline under pressure internal pressure is too big emergence crackle or explosion, prolongs pipeline under pressure's life, simultaneously, protects pipeline under pressure through the flaring pipe, improves expansion hose's bearing capacity.

Optionally, coupling assembling is including being located adjacent two the collar of flared tube periphery and being located two piece at least springs between collar and the flared tube, each all be connected with the spring on the flared tube, just the spring is followed the radial direction setting of collar.

Through adopting above-mentioned technical scheme, when meetting the installation environment of unevenness in the pipeline under pressure installation, two adjacent flaring pipes can take place the micro-deflection along radial direction, are responsible for to the flaring pipe application of force, and the flaring pipe is to the spring application of force for two adjacent flaring pipes take place the micro-deflection, are convenient for pipeline under pressure's installation.

Optionally, the flaring pipe is including the locking section, changeover portion and the flaring section that set gradually, the locking section cover is located be responsible for on, just the locking section with be responsible for and slide the connection, at least two axial clearance have been seted up on the locking section, axial clearance follows the axial direction of locking section sets up, the changeover portion is by being close to locking section one end is to being close to flaring section one end cross sectional area crescent, flaring section and spring coupling.

By adopting the technical scheme, the locking section of the flared tube arranged in sections is convenient for keeping the flared tube and the main tube concentric; the transition section of the expansion hose is convenient to match with the expansion hose, so that the pressure bearing capacity of the expansion hose is ensured, and explosion caused by overlarge deformation of the expansion hose is reduced; the flared section of the spring is convenient for fixing the spring.

Optionally, threaded connection has binding off respectively at the both ends of collar and keeps off the ring, the flaring section is located two close off and keeps off between the ring, just be provided with between flaring section and the collar and be used for the flaring pipe is followed the radial smooth chamber that the collar radial direction slided, the spring is located radially smooth intracavity, the internal diameter that the binding off kept off the ring is less than the external diameter of flaring section, just it supplies to leave between binding off fender ring and the changeover portion the radial clearance that the flaring section slided.

By adopting the technical scheme, the designed closing-in blocking ring is convenient to be matched with the flaring section, so that the flaring section slides in the gap between the two closing-in blocking rings, the flaring section is ensured to move along the radial direction of the main pipe, and the flaring pipe is ensured to slide along the radial direction.

Optionally, the connecting piece include in the inflation hose is close to the flaring bead that is responsible for one end setting and the last cover of inflation hose establishes interior spacing ring, offer on the person in charge inner wall and be used for inlaying the counter bore of establishing flaring bead and interior spacing ring, interior spacing ring with be responsible for threaded connection, flaring bead centre gripping in the counter bore diapire with between the interior spacing ring.

Through adopting above-mentioned technical scheme, the connecting piece of design is convenient for carry out the centre gripping to the expansion hose through interior spacing ring for the expansion hose is fixed on being responsible for, realizes the fixed of expansion hose, simultaneously, is convenient for change the expansion hose.

Optionally, the sliding member includes a locking ring for fixing the locking segment, the locking ring is concentrically arranged with the main pipe, an inner diameter of the locking ring gradually decreases from being close to the locking segment to being far from the locking segment, and the locking ring is in threaded connection with the locking segment.

Through adopting above-mentioned technical scheme, the sliding member of design is convenient for fix the locking section through the locking ring, and then realizes the fixed to the flared tube position, is convenient for install the flared tube, is convenient for adjust the mounted position of flared tube simultaneously.

Optionally, one end of the main pipe close to the expansion hose is in threaded connection with an outer limiting ring used for being abutted against the inner side wall of the transition section.

Through adopting above-mentioned technical scheme, the outer spacing ring of design is convenient for carry on spacingly to the flared tube for the flared tube is located and is responsible for on, avoids flared tube and person in charge separation.

Optionally, the method comprises the following steps:

s1: pre-mounting a mounting ring;

s11: disassembling the outer limiting ring;

s12: decomposing, closing up and blocking rings, springs and mounting rings;

s13: sleeving a closing-up baffle ring, an expanding pipe and a mounting ring on the main pipe respectively;

s14: installing an outer limiting ring;

s2: installing an expansion hose;

s21: the flared tube is withdrawn, so that the expansion hose is convenient to install;

s22: clamping the expansion hose, embedding the flaring convex edge of the expansion hose into the counter bore, and then adjusting the inner limiting ring to enable the flaring convex edge to be clamped between the bottom wall of the counter bore and the inner limiting ring;

s3: installing a flared pipe;

s4: and (5) mounting the mounting ring.

By adopting the technical scheme, when the pressure pipeline is connected, the outer limiting ring is firstly disassembled to separate the outer limiting ring from the main pipe, then the closing-up baffle ring, the spring and the mounting ring are disassembled, the closing-up baffle ring and the mounting ring are sleeved on the main pipe, and then the outer limiting ring is remounted; then embedding the flaring convex ribs arranged on the expansion hose into the counter bores, and clamping the expansion hose through the inner limiting ring; then sequentially installing the flared pipe and the installation ring to realize the installation of the pressure pipeline; through the connecting method of the pressure pipeline, the main pipe, the expansion hose, the flared pipe and the inner limiting ring are convenient to install, the connecting efficiency of the pressure pipeline is improved, and meanwhile, the pressure bearing capacity of the pressure pipeline is improved.

Optionally, the S3 includes:

s31: adjusting the position of the flared tube until the transition section abuts against the outer limiting ring;

s32: and adjusting the locking ring, and fixing the locking section on the main pipe through the threaded connection of the locking ring and the locking section, so that the flared pipe is fixed.

By adopting the technical scheme, when the flared tube is installed, the position of the flared tube is firstly adjusted until the flared tube abuts against the outer limiting ring, then the locking ring is adjusted, the axial clearance is gradually reduced through the threaded connection of the locking ring and the locking section, and then the locking section is locked with the main tube, so that the position fixation of the flared tube is realized.

Optionally, the S4 includes:

s41: mounting a spring, namely mounting the spring between the mounting ring and the flaring convex rib according to the mounting requirement of the spring;

s42: and installing a closing-up baffle ring.

By adopting the technical scheme, when the mounting ring is fixed, the position of the mounting ring is firstly adjusted to be just opposite to the two adjacent flaring ribs, then the spring is mounted, the spring is mounted between the mounting ring and the flaring ribs, and then the closing-up retaining ring is mounted, so that the flaring ribs are positioned between the two closing-up retaining rings.

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

1. the designed pressure pipeline connecting structure is convenient for adjusting the pressure inside the pressure pipeline through the flared pipe and the expansion hose, reduces cracks or explosion caused by overlarge pressure inside the pressure pipeline, prolongs the service life of the pressure pipeline, and meanwhile protects the pressure pipeline through the flared pipe, so that the pressure bearing capacity of the expansion hose is improved;

2. the designed pressure pipeline connecting method is convenient for installing the main pipe, the expansion hose, the flared pipe and the inner limiting ring, improves the connecting efficiency of the pressure pipeline, and simultaneously improves the bearing capacity of the pressure pipeline.

Drawings

Fig. 1 is an overall structural view of a pressure pipe connection structure.

Fig. 2 is a sectional view of the pressure pipe connection structure.

Fig. 3 is a partially enlarged schematic view of fig. 2.

Description of reference numerals: 1. a pipe body; 11. a main pipe; 12. a flared tube; 121. a locking section; 122. a transition section; 123. a flared section; 124. an axial clearance; 13. locking a ring; 14. an outer limit ring; 15. a counter bore; 2. an expansion hose; 21. flaring ribs; 22. an inner limiting ring; 3. a connecting assembly; 31. a spring; 32. a mounting ring; 33. closing up the baffle ring; 34. a radial slide cavity; 35. a radial gap.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a pressure pipeline connecting structure and a connecting method thereof. Referring to fig. 1 and 2, the pressure pipe connection structure includes a pipe body 1, an expansion hose 2 for pressure-bearing expansion, and a connection assembly 3 for connecting two adjacent pipe bodies 1, and in order to reduce cracks or explosions caused by excessive pressure inside the pressure pipe, the expansion hose 2 in this embodiment is a wave compensation element of a rubber expansion joint.

Referring to fig. 2 and 3, the pipe body 1 includes a main pipe 11, flared pipes 12 located at two ends of the main pipe 11, and a sliding member for connecting the flared pipes 12 and the main pipe 11, the cross-sectional area of the flared pipes 12 gradually increases from the position close to the main pipe 11 to the position away from the main pipe 11, the expansion hoses 2 are communicated with the main pipe 11 through a connecting member, and the expansion hoses 2 are located in an inner cavity formed by two adjacent flared pipes 12; the flared tube 12 comprises a locking section 121, a transition section 122 and a flared section 123 which are sequentially arranged, the locking section 121 is sleeved on the main tube 11, and the locking section 121 is connected with the main tube 11 in a sliding manner; the cross-sectional area of the transition section 122 gradually increases from the end close to the locking section 121 to the end close to the flaring section 123; an end of the main pipe 11 close to the expansion hose 2 is in threaded connection with an outer limit ring 14 for abutting against the inner side wall of the transition section 122.

Referring to fig. 2 and 3, the sliding member includes a locking ring 13 for fixing the locking segment 121, the locking ring 13 is disposed concentrically with the main pipe 11, and an inner diameter of the locking ring 13 is gradually reduced from near the locking segment 121 to far from the locking segment 121; at least two axial gaps 124 are formed in the locking section 121, three axial gaps 124 are formed in the axial gap 124 in this embodiment, the three axial gaps 124 are uniformly distributed along the axial direction of the locking section 121, each axial gap 124 is arranged along the axial direction of the locking section 121, the locking ring 13 is sleeved on the periphery of the locking section 121, the locking ring 13 is in threaded connection with the locking section 121, and through gradual reduction of the inner diameter of the locking ring 13, force is continuously applied to the locking section 121 in the process of threaded connection between the locking ring 13 and the locking section 121, so that the axial gaps 124 are gradually reduced, and further, the limiting of the locking section 121 and the main pipe 11 is realized.

Referring to fig. 2 and 3, the connecting piece includes the interior spacing ring 22 that the cover was established on expansion hose 2 was close to the flaring bead 21 and the expansion hose 2 that are responsible for 11 one end body coupling, offer the counter bore 15 that is used for inlaying the flaring bead 21 and interior spacing ring 22 on being responsible for 11 inner walls, interior spacing ring 22 and the inside wall threaded connection who is responsible for 11, flaring bead 21 centre gripping is between counter bore 15 diapire and interior spacing ring 22, realize the spacing of flaring bead 21, and then realize expansion hose 2 and the fixed connection who is responsible for 11.

Referring to fig. 2 and 3, the connecting assembly 3 includes mounting rings 32 located on the peripheries of two adjacent flared tubes 12 and at least two springs 31 located between the mounting rings 32 and the flared tubes 12, both ends of the mounting rings 32 are respectively in threaded connection with closing-up retaining rings 33, the flared section 123 is located between the two closing-up retaining rings 33, the inner diameter of the closing-up retaining ring 33 is smaller than the outer diameter of the flared section 123, and a radial gap 35 for the flared section 123 to slide is left between the closing-up retaining ring 33 and the transition section 122; in this embodiment, each flared tube 12 is connected with three springs 31, the three springs 31 are uniformly distributed along the circumferential direction of the mounting ring 32, and each spring 31 is arranged along the radial direction of the mounting ring 32; a radial sliding cavity 34 used for the flared tube 12 to slide along the radial direction of the mounting ring 32 is arranged between the flared section 123 and the mounting ring 32, the spring 31 is located in the radial sliding cavity 34, one end of the spring 31 is welded with the flared section 123, the other end of the spring is welded with the inner side wall of the mounting ring 32, and the spring 31 applies force to the flared section 123 uniformly, so that the flared section 123 and the mounting ring 32 are in a concentric state under the action of no external force.

The implementation principle of the pressure pipeline connecting structure in the embodiment of the application is as follows: rotating the outer limiting ring 14 to separate the outer limiting ring 14 from the main pipe 11, sequentially sleeving the closing-up baffle ring 33, the flaring pipe 12 and the mounting ring 32 on the main pipe 11, and rotating the outer limiting ring 14 to reset the outer limiting ring 14 and fix the outer limiting ring on the main pipe 11; then embedding the flaring convex rib 21 of the expansion hose 2 into the counter bore 15, then rotating the inner limiting ring 22 to enable the inner limiting ring 22 to be in threaded connection with the main pipe 11, and clamping the flaring convex rib 21 between the bottom wall of the counter bore 15 and the inner limiting ring 22; then, the locking ring 13 is rotated, and the locking section 121 is fixed on the main pipe 11 through the threaded connection between the locking ring 13 and the locking section 121, so that the flared pipe 12 is fixed; adjust collar 32 to being located directly over flaring bead 21, then install spring 31, in the spring 31 installation, make spring 31 along collar 32's circumferential direction evenly distributed, and make each spring 31 set up along collar 32's radial direction, then weld spring 31, make spring 31 install between collar 32 and flaring bead 21, rotate binding off retainer ring 33, through the threaded connection of binding off retainer ring 33 and collar 32, fix binding off retainer ring 33 on collar 32, accomplish the installation of pipeline under pressure.

The connecting method of the pressure pipeline comprises the following steps:

s1: pre-installation of the mounting ring 32;

s11: and (3) disassembling the outer limiting ring 14: the outer limiting ring 14 is rotated, and the outer limiting ring 14 is connected with the main pipe 11 through the threads of the outer limiting ring 14, so that the outer limiting ring 14 is separated from the main pipe 11;

s12: then, the closing-up stopper ring 33 is rotated to separate the closing-up stopper ring 33 from the mounting ring 32, and then the spring 31 is removed;

s13: then the closing-up baffle ring 33, the flaring tube 12 and the mounting ring 32 are sequentially sleeved on the main tube 11;

s14: installing the outer limiting ring 14: the outer limit ring 14 is rotated to reset the outer limit ring 14 and fixed on the main pipe 11.

S2: installation of the expansion hose 2;

s21: the flared tube 12 retreats, so that in order to facilitate the installation of the expansion hose 2, a force is applied to the closing-up baffle ring 33, the flared tube 12 and the installation ring 32, so that the closing-up baffle ring 33, the flared tube 12 and the installation ring 32 are far away from the outer limiting ring 14;

s22: the expansion hose 2 is clamped, the flaring convex ribs 21 of the expansion hose 2 are embedded into the counter bore 15, then the inner limiting ring 22 is rotated, the inner limiting ring 22 is in threaded connection with the main pipe 11, and the flaring convex ribs 21 are clamped between the bottom wall of the counter bore 15 and the inner limiting ring 22.

S3: installing the flared tube 12;

s31: adjusting the position of the flared tube 12 until the transition section 122 abuts against the outer limit ring 14;

s32: the locking ring 13 is rotated to fix the locking section 121 on the main pipe 11 by the threaded connection of the locking ring 13 and the locking section 121, so that the flared tube 12 is fixed.

S4: mounting of the mounting ring 32;

s41: adjusting the mounting ring 32 to be positioned right above the flaring rib 21, then mounting the springs 31, wherein in the mounting process of the springs 31, the springs 31 are uniformly distributed along the circumferential direction of the mounting ring 32, each spring 31 is arranged along the radial direction of the mounting ring 32, and then welding the springs 31 to ensure that the springs 31 are mounted between the mounting ring 32 and the flaring rib 21;

s42: the closing-in retainer ring 33 is installed: the closing-in retainer ring 33 is rotated, and the closing-in retainer ring 33 is fixed on the mounting ring 32 by the threaded connection of the closing-in retainer ring 33 and the mounting ring 32.

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 pipeline under pressure connection structure, characterized in that, including body (1) and be used for expanded expansion hose (2) of pressure-bearing and be used for connecting adjacent two coupling assembling (3) of body (1), body (1) is including being responsible for (11), being located be responsible for flaring pipe (12) at (11) both ends and be used for connecting flaring pipe (12) and the sliding part of being responsible for (11), flaring pipe (12) by being close to be responsible for (11) to keeping away from be responsible for (11) cross sectional area grow gradually, expansion hose (2) with be responsible for (11) and pass through the connecting piece and connect, expansion hose (2) are located adjacent two in the inner chamber of flaring pipe (12).

2. Pressure pipe connection according to claim 1, wherein the connection assembly (3) comprises a mounting ring (32) located at the outer periphery of two adjacent flared tubes (12) and at least two springs (31) located between the mounting ring (32) and the flared tubes (12), a spring (31) is connected to each flared tube (12), and the springs (31) are arranged along the radial direction of the mounting ring (32).

3. The pressure pipeline connecting structure according to claim 2, wherein the flared tube (12) includes a locking section (121), a transition section (122) and a flared section (123) which are sequentially arranged, the locking section (121) is sleeved on the main tube (11), the locking section (121) is connected with the main tube (11) in a sliding manner, at least two axial gaps (124) are arranged on the locking section (121), the axial gaps (124) are arranged along the axial direction of the locking section (121), the cross-sectional area of the transition section (122) is gradually increased from one end close to the locking section (121) to one end close to the flared section (123), and the flared section (123) is connected with the spring (31).

4. The pressure pipeline connecting structure according to claim 3, wherein a closing-in blocking ring (33) is respectively connected to two ends of the mounting ring (32) in a threaded manner, the flaring segment (123) is located between the two closing-in blocking rings (33), a radial sliding cavity (34) for the flaring tube (12) to slide along the radial direction of the mounting ring (32) is arranged between the flaring segment (123) and the mounting ring (32), the spring (31) is located in the radial sliding cavity (34), the inner diameter of the closing-in blocking ring (33) is smaller than the outer diameter of the flaring segment (123), and a radial gap (35) for the flaring segment (123) to slide is reserved between the closing-in blocking ring (33) and the transition segment (122).

5. The pressure pipeline connecting structure according to claim 1, wherein the connecting member comprises a flaring rib (21) provided at one end of the expansion hose (2) close to the main pipe (11) and an inner limit ring (22) sleeved on the expansion hose (2), a counter bore (15) for embedding the flaring rib (21) and the inner limit ring (22) is provided on the inner wall of the main pipe (11), the inner limit ring (22) is in threaded connection with the main pipe (11), and the flaring rib (21) is clamped between the bottom wall of the counter bore (15) and the inner limit ring (22).

6. A pressure pipe connection according to claim 3, wherein said sliding member comprises a locking ring (13) for fixing said locking segment (121), said locking ring (13) being concentrically arranged with the main pipe (11), and an inner diameter of said locking ring (13) is gradually reduced from near said locking segment (121) to far from said locking segment (121), said locking ring (13) being screw-coupled with the locking segment (121).

7. A pressure pipe connection according to claim 3, characterised in that an outer stop ring (14) for abutment against the inner side wall of the transition section (122) is screwed to the end of the main pipe (11) close to the expansion hose (2).

8. A method of connecting pressure pipes according to claim 1, characterized by comprising the steps of:

s1: pre-mounting of the mounting ring (32);

s11: disassembling the outer limit ring (14);

s12: a disassembly closing-in baffle ring (33), a spring (31) and a mounting ring (32);

s13: the closing-up baffle ring (33), the flaring tube (12) and the mounting ring (32) are respectively sleeved on the main tube (11);

s14: installing an outer limiting ring (14);

s2: installing an expansion hose (2);

s21: the flared tube (12) is withdrawn, so that the expansion hose (2) is convenient to install;

s22: clamping the expansion hose (2), embedding the flaring convex rib (21) of the expansion hose (2) into the counter bore (15), and then adjusting the inner limiting ring (22) to enable the flaring convex rib (21) to be clamped between the bottom wall of the counter bore (15) and the inner limiting ring (22);

s3: installing a flared pipe (12);

s4: and (3) mounting the mounting ring (32).

9. The pressure pipe connection structure and the connection method thereof according to claim 8, wherein the S3 includes:

s31: adjusting the position of the flared tube (12) until the transition section (122) abuts against the outer limiting ring (14);

s32: and adjusting the locking ring (13), and fixing the locking section (121) on the main pipe (11) through the threaded connection of the locking ring (13) and the locking section (121), so that the flared pipe (12) is fixed.

10. The pressure pipe connection structure and the connection method thereof according to claim 8, wherein the S4 includes:

s41: the spring (31) is installed, and the spring (31) is installed between the installation ring (32) and the flaring rib (21) according to the installation requirement of the spring (31);

s42: a closing-up baffle ring (33) is installed.