Seamed steel pipe with connecting structure

Abstract

The utility model relates to the technical field, and provides a seamed steel pipe with a connecting structure, which comprises a first steel pipe and a second steel pipe arranged below the first steel pipe, and is characterized in that a first clamping component is arranged between the first steel pipe and the second steel pipe and is used for preliminarily fixing the first steel pipe and the second steel pipe; second clamping assemblies are symmetrically arranged on the outer walls of the two ends of the first steel pipe and the outer walls of the two ends of the second steel pipe correspondingly and used for further fixing the first steel pipe and the second steel pipe, and second fixing assemblies are symmetrically arranged on the outer sides of one ends of the two second clamping assemblies correspondingly and used for preliminarily fixing the second clamping assemblies. And first fixing assemblies are symmetrically arranged at the other ends of the two second clamping assemblies and used for further fixing the second clamping assemblies, so that the sealing performance of the seamed pipeline is improved, the stability of the joint of the seamed pipeline is improved, and then the possibility that the joint of the seamed pipeline is broken is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field, and in particular to a seamed steel pipe with a connection structure. Background Art

[0002] Seamed steel pipes are also called welded steel pipes, which are made of carbon steel that is easy to weld. Welded steel pipes are often used to transport hot and cold water and gas, so they are also called water and gas pipes. Galvanized welded steel pipes are usually called white iron pipes on construction sites, while non-galvanized welded steel pipes are called black iron pipes. The blanks used for welded steel pipes are steel plates or strips.

[0003] After searching, the existing patent (publication number: CN216076266U) discloses a seamed steel pipe quick connection device, which relates to the field of scaffolding steel pipe combination and connection technology, including a connector body and a retaining ring. The retaining ring is provided on the outer peripheral fixing ring of the connector body. The connector body is a cylindrical structure with a weld avoidance groove provided thereon. The weld avoidance groove is arranged on the outer periphery of the connector body, and the weld avoidance groove is opened along the length direction of the connector body. A weld avoidance groove is provided on the connector body, which can realize the quick connection of the seamless steel pipe, greatly reducing the problem of high cost caused by the prior art that seamless steel pipes have been used all the time; a welding positioning hole is opened on the retaining ring, and the retaining ring is welded to the connector body through the welding positioning hole, thereby ensuring the smoothness of the end of the seamless steel pipe quick connection device and increasing the stability of the steel pipe during connection; the entire device has a simple structure, low cost, convenient operation, good stability, and broad promotion prospects. The above-mentioned utility model has a relatively simple structure and low cost, which is easy to promote, but the welding part is brittle and fractured. When the welding position of the pipeline is not uniform enough, the weaker welding part may have the risk of fracture during use, which leads to pipeline leakage and then pipeline damage, thereby reducing the service life of the pipeline. Utility Model Content

[0004] The utility model provides a seamed steel pipe with a connection structure, which solves the problem in the related art that the welding parts may be brittle and fractured. When the welding positions of the pipeline are not uniform enough, the weaker welding parts may have the risk of fracture during use, thereby causing pipeline leakage and further causing pipeline damage, thereby reducing the service life of the pipeline.

[0005] The technical solution of the utility model is as follows: A seamless steel pipe with a connecting structure, comprising: a first steel pipe and a second steel pipe arranged below the first steel pipe, characterized in that a first clamping assembly is arranged between the first steel pipe and the second steel pipe for preliminarily fixing the first steel pipe and the second steel pipe, second clamping assemblies are symmetrically arranged on the outer walls at both ends of the first steel pipe and the second steel pipe for further fixing the first steel pipe and the second steel pipe, second fixing assemblies are symmetrically arranged on the outer sides of one end of the two second clamping assemblies for preliminarily fixing the second clamping assemblies, first fixing assemblies are symmetrically arranged on the other ends of the two second clamping assemblies for further fixing the second clamping assemblies, and a plurality of third fixing screws are threadedly connected to the outer walls at the centers of both sides of the first clamping assembly, and the plurality of third fixing screws are horizontally equidistantly distributed on both sides of the first clamping assembly.

[0006] Preferably, the first locking assembly includes a first locking rail fixedly connected to the outer walls of the bottom ends of both sides of the first steel pipe, the inner walls of the bottom ends of the two first locking rails are slidably connected to the second locking rails, and the bottom ends of the two second locking rails are fixedly connected to the outer walls of the top ends of both sides of the second steel pipe.

[0007] Preferably, the second engaging assembly includes a plurality of engaging grooves opened on the outer walls of the first steel pipe and the second steel pipe, and the plurality of engaging grooves are arranged in a circular array on the outer walls of the first steel pipe and the second steel pipe.

[0008] Preferably, the second engaging assembly further comprises an engaging arc engaged with the inner walls of the plurality of engaging grooves, and the outer walls of the plurality of engaging arcs are fixedly connected with the first sleeve.

[0009] Preferably, the first fixing assembly further comprises a threaded sleeve threadedly connected to the outer walls of the first steel pipe and the second steel pipe, and the outer wall of one end of the threaded sleeve is fixedly connected to the second sleeve.

[0010] Preferably, the first fixing assembly further comprises a second sleeve which is snap-fitted to the outer wall of the first sleeve, and the outer wall of the second sleeve is threadedly connected to a plurality of first fixing screws on the outer wall of the top end of the second sleeve.

[0011] Preferably, the bottom ends of the plurality of first fixing screws are sequentially threadedly connected to the first sleeve and the inner wall of one end of the engaging groove.

[0012] Preferably, the second fixing assembly includes a ring that is snap-connected to the outer wall of the top end of the other end of the first sleeve, the outer wall of the top end of the ring is threadedly connected to a second fixing screw, a plurality of the second fixing screws are annularly arrayed on the outer wall of the ring, and the bottom ends of the plurality of the second fixing screws are threadedly connected to the first sleeve and the inner wall of the other end of the snap-connecting groove in sequence.

[0013] The working principle and beneficial effects of the utility model are:

[0014] In the utility model, the first clamping rail is clamped and connected with the second clamping rail, so that the first steel pipe and the second steel pipe are combined into a complete steel pipe, and the height difference at the inner and outer seams of the seamed pipe is used to increase the sealing performance of the seamed pipe, improve the connection stability of the seamed pipe, fix the seamed pipe with the threaded sleeve, increase the tuberculosis stability of the seamed pipe, and then fix the two ends of the seamed pipe with the second sleeve to increase the stability of the fixation of the two ends of the seamed pipe, and then clamp the top of the first sleeve with the ring to increase the fixation stability of the first sleeve, increase the sealing performance of the seamed pipe, thereby increasing the stability of the joint of the seamed pipe, thereby reducing the possibility of fracture at the seam of the seamed pipe, and further increasing the stability of the pipe; BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 This is a front view of the expanded structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the unfolded structure of the first locking assembly proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the expanded structure of the second engaging assembly and the first fixing assembly proposed in the utility model;

[0020] Figure 5 This is a schematic diagram of the expanded structure of the second locking assembly proposed by the utility model;

[0021] In the figure: 1. first steel pipe; 2. second steel pipe; 3. first engaging assembly; 301. first engaging rail; 302. second engaging rail; 4. second engaging assembly; 401. engaging groove; 402. engaging arc; 403. first sleeve; 5. first fixing assembly; 501. threaded sleeve; 502. second sleeve; 503. first fixing screw; 6. second fixing assembly; 601. collar; 602. second fixing screw; 7. third fixing screw. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The present application embodiment discloses a seamed steel pipe with a connection structure. Figure 1-Figure 3 A seamed steel pipe with a connection structure comprises: a first steel pipe 1 and a second steel pipe 2 arranged below the first steel pipe 1, characterized in that a first clamping component 3 is arranged between the first steel pipe 1 and the second steel pipe 2 for preliminarily fixing the first steel pipe 1 and the second steel pipe 2, second clamping components 4 are symmetrically arranged on the outer walls of both ends of the first steel pipe 1 and the second steel pipe 2 for further fixing the first steel pipe 1 and the second steel pipe 2, second fixing components 6 are symmetrically arranged on the outer sides of one end of the two second clamping components 4 for preliminarily fixing the second clamping components 4, first fixing components 5 are symmetrically arranged on the other ends of the two second clamping components 4 for further fixing the second clamping components 4, and the two ends of the first clamping components 3 are symmetrically arranged. The outer walls at the side center are threadedly connected with a plurality of third fixing screws 7, and the plurality of third fixing screws 7 are horizontally equidistantly distributed on both sides of the first clamping component 3. The first clamping component 3 includes a first clamping rail 301 fixedly connected to the outer walls of the bottom ends of both sides of the first steel pipe 1, and the inner walls of the bottom ends of the two first clamping rails 301 are slidably connected with the second clamping rails 302, and the bottom ends of the two second clamping rails 302 are fixedly connected to the outer walls of the top ends of both sides of the second steel pipe 2. The first clamping rail 301 and the second clamping rail 302 are irregular U-shaped structures with mutually symmetrical structures. When the first clamping rail 301 is clamped together with the first clamping rail 301, the inner and outer connecting seams are at different heights, thereby increasing the sealing of the seamed steel pipe.

[0024] See also Figure 2-Figure 5The second clamping assembly 4 includes a plurality of clamping grooves 401 opened on the outer walls of the first steel pipe 1 and the second steel pipe 2, and the plurality of clamping grooves 401 are arranged in an annular array on the outer walls of the first steel pipe 1 and the second steel pipe 2. The second clamping assembly 4 also includes a clamping arc 402 clamped and connected to the inner walls of the plurality of clamping grooves 401, and the outer walls of the plurality of clamping arcs 402 are fixedly connected to the first sleeve 403. The first fixing assembly 5 also includes a threaded sleeve 501 threadedly connected to the outer walls of the first steel pipe 1 and the second steel pipe 2, and the outer wall of one end of the threaded sleeve 501 is fixedly connected to the second sleeve 502. The first fixing assembly 5 also includes a clamping arc 402 clamped and connected to the inner walls of the plurality of clamping grooves 401. The outer walls of the plurality of clamping arcs 402 are fixedly connected to the first sleeve 403. The second sleeve 502 is on the outer wall of the first sleeve 403, and the outer wall of the second sleeve 502 is threadedly connected with a plurality of first fixing screws 503 on the outer wall of the top end of the second sleeve 502. The bottom ends of the plurality of first fixing screws 503 are threadedly connected with the first sleeve 403 and the inner wall of one end of the engaging groove 401 in sequence. After the threaded sleeve 501 is threadedly connected to the seamed pipe, the seamed pipe fixing column can be further installed, and then the first sleeve 403 is sleeved on the outer wall of the seamed pipe, and after engaging with the second sleeve 502, it is threadedly fixed by the first fixing screws 503, thereby further increasing the stability of the pipe.

[0025] See also Figure 1 , Figure 2 and Figure 4 The second fixing component 6 includes a ring 601 which is snap-fitted to the outer wall of the top end of the other end of the first sleeve 403, and the outer wall of the top end of the ring 601 is threadedly connected with a second fixing screw 602. A plurality of second fixing screws 602 are arranged in a circular array on the outer wall of the ring 601, and the bottom ends of the plurality of second fixing screws 602 are threadedly connected to the first sleeve 403 and the inner wall of the other end of the snap-fit ​​groove 401 in turn, and the other end of the first sleeve 403 is snap-fitted through the ring 601, and the ring 601, the first sleeve 403 and the two ends of the seamless steel pipe are fixed together through the second fixing screw 602, thereby increasing the stability of the seamless steel pipe.

[0026] Working principle and use process: first align the first clamping rails 301 at the bottom ends of both sides of the first steel pipe 1 with the second clamping rails 302 at the top ends of both sides of the second steel pipe 2, and clamp and fix the first clamping rails 301 and the second clamping rails 302 to form a complete seamed steel pipe pipeline, then align the threaded sleeve 501 with the mouth of the seamed steel pipe, and then put the threaded sleeve 501 on the outside of the seamed steel pipe and fix it with threads. At this time, align the clamping arc 402 inside the first sleeve 403 with the clamping groove 401, and clamp and fix them, so as to One end of the first sleeve 403 is engaged with the inner wall of the second sleeve 502, and the second sleeve 502, the first sleeve 403 and the seamed steel pipe are fixed together by the first fixing screw 503, and the ring 601 is engaged with the outer wall of the other end of the first sleeve 403, and the ring 601, the first sleeve 403 and the seamed steel pipe are fixed together by the second fixing screw 602, and at this time, the connection between the first engaging rail 301 and the second engaging rail 302 exposed to the outside is fixed together by the third fixing screw 7.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A seamed steel pipe with a connection structure, comprising: A first steel pipe (1) and a second steel pipe (2) arranged below the first steel pipe (1), characterized in that a first clamping assembly (3) is arranged between the first steel pipe (1) and the second steel pipe (2) for preliminarily fixing the first steel pipe (1) and the second steel pipe (2), second clamping assemblies (4) are symmetrically arranged on the outer walls of both ends of the first steel pipe (1) and the second steel pipe (2) for further fixing the first steel pipe (1) and the second steel pipe (2), second fixing assemblies (6) are symmetrically arranged on the outer sides of one end of the two second clamping assemblies (4) for preliminarily fixing the second clamping assemblies (4), first fixing assemblies (5) are symmetrically arranged on the other ends of the two second clamping assemblies (4) for further fixing the second clamping assemblies (4), and a plurality of third fixing screws (7) are threadedly connected to the outer walls at the centers of both sides of the first clamping assembly (3), and the plurality of third fixing screws (7) are horizontally equidistantly distributed on both sides of the first clamping assembly (3).

2. A seamed steel pipe with a connection structure according to claim 1, characterized in that: The first engaging assembly (3) comprises first engaging rails (301) fixedly connected to the outer walls of the bottom ends of both sides of the first steel pipe (1), the inner walls of the bottom ends of the two first engaging rails (301) are slidably connected to second engaging rails (302), and the bottom ends of the two second engaging rails (302) are fixedly connected to the outer walls of the top ends of both sides of the second steel pipe (2).

3. A seamed steel pipe with a connection structure according to claim 2, characterized in that: The second engaging assembly (4) comprises a plurality of engaging grooves (401) provided on the outer walls of the first steel tube (1) and the second steel tube (2); the plurality of engaging grooves (401) are arranged in a circular array on the outer walls of the first steel tube (1) and the second steel tube (2).

4. A seamed steel pipe with a connection structure according to claim 3, characterized in that: The second engaging assembly (4) further comprises an engaging arc (402) engaged with the inner walls of the plurality of engaging grooves (401), and the outer walls of the plurality of engaging arcs (402) are fixedly connected with the first sleeve (403).

5. A seamed steel pipe with a connection structure according to claim 4, characterized in that: The first fixing assembly (5) further comprises a threaded sleeve (501) threadedly connected to the outer walls of the first steel pipe (1) and the second steel pipe (2), and the outer wall of one end of the threaded sleeve (501) is fixedly connected to the second sleeve (502).

6. A seamed steel pipe with a connection structure according to claim 5, characterized in that: The first fixing assembly (5) further comprises a second sleeve (502) snap-fitted to the outer wall of the first sleeve (403), the outer wall of the second sleeve (502) being threadedly connected to a plurality of first fixing screws (503) on the outer wall of the top end of the second sleeve (502).

7. A seamed steel pipe with a connection structure according to claim 6, characterized in that: The bottom ends of the plurality of first fixing screw rods (503) are threadedly connected to the first sleeve (403) and the inner wall of one end of the engaging groove (401) in sequence.

8. The seamed steel pipe with a connection structure according to claim 4, characterized in that: The second fixing assembly (6) comprises a collar (601) which is snap-connected to the outer wall of the top end of the other end of the first sleeve (403); the outer wall of the top end of the collar (601) is threadedly connected to a second fixing screw (602); a plurality of the second fixing screws (602) are arranged in a circular array on the outer wall of the collar (601); and the bottom ends of the plurality of the second fixing screws (602) are sequentially threadedly connected to the first sleeve (403) and the inner wall of the other end of the snap-connecting groove (401).

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