CN217899106U

CN217899106U - Pipeline connecting structure

Info

Publication number: CN217899106U
Application number: CN202221592459.1U
Authority: CN
Inventors: 童津金
Original assignee: Ningbo Hengyuan Precision Valves Technology Co ltd
Current assignee: Ningbo Hengyuan Precision Valves Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-25
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to the field of chemical equipment, and discloses a pipeline connecting structure, which comprises a linking pipe and a reducer pipe, wherein a larger pipe orifice of the reducer pipe is integrally connected with a first pipeline, a smaller pipe orifice of the reducer pipe is integrally connected with the linking pipe, the linking pipe is inserted into a second pipeline, and the inner side wall of the linking pipe is abutted against the inner side wall of the second pipeline; the linking department ring of linking pipe and reducing pipe is equipped with the chimb, and the chimb passes through the welded joint with the port that the second pipeline is close to first pipeline to be connected, the utility model discloses a pipeline connection structure, linking pipe link up in the mouth of pipe of first pipeline through reducing pipe, make it can peg graft in the mouth of pipe of second pipeline for first pipeline can carry out the mouth of pipe calibration automatically when the welding with the second pipeline, and the location between the mouth of pipe can more calibrate, thereby promotes welding efficiency and precision. The chimb can provide more abundant region for the welding for first pipeline can be in the same place with the welding of second pipeline more firmly, leakproofness when guaranteeing both to connect simultaneously.

Description

Pipeline connecting structure

Technical Field

The utility model relates to a chemical industry equipment field especially relates to a pipeline connecting structure.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations. A similar pipe is known from the utility model with the publication number CN 213393937U.

When the existing pipelines are connected, a butt welding mode is generally adopted, the ports of the two pipelines are required to be arranged oppositely and concentrically, the technical requirement is high, if the positions between the ports of the pipelines are slightly deviated in the welding process, the welded part is not smooth enough, and even the pipeline welding fails, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's shortcoming, provide a pipeline connection structure, can make things convenient for the pipe welding time to carry out the mouth of pipe location, accurate nature when promoting the mouth of pipe location again.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a pipeline connecting structure is used for connecting a first pipeline and a second pipeline and comprises a connecting pipe and a reducing pipe, wherein a larger pipe orifice of the reducing pipe is integrally connected to the first pipeline, a smaller pipe orifice of the reducing pipe is integrally connected to the connecting pipe, the connecting pipe is inserted into the second pipeline, and the inner side wall of the connecting pipe abuts against the inner side wall of the second pipeline; the connection part of the connection pipe and the reducing pipe is annularly provided with a convex edge, and the convex edge is connected with the port of the second pipeline close to the first pipeline through a welding seam.

By adopting the scheme, the connecting pipe is connected to the pipe orifice of the first pipeline through the reducer pipe, so that the connecting pipe can be inserted into the pipe orifice of the second pipeline, the pipe orifice calibration can be automatically carried out on the first pipeline and the second pipeline during welding, and the positioning between the pipe orifices can be calibrated more, so that the welding efficiency and the welding precision are improved. The chimb can provide more abundant region for the welding for first pipeline can be in the same place with the welding of second pipeline more firmly, leakproofness when guaranteeing both to connect simultaneously.

Preferably, the collar is provided with a slanted guide surface on the outside of the end of the adapter tube facing away from the reducer tube.

By adopting the scheme, the guide surface can enable the linking pipe to be more smoothly inserted into the second pipeline, and the working efficiency of the first pipeline and the second pipeline during welding is further improved.

Preferably, the outer peripheral surface of the linking pipe is annularly provided with a convex strip, the outer wall of the convex strip is annularly provided with a guide inclined surface, and the arrangement direction of the guide inclined surface is consistent with the guide surface.

By adopting the scheme, the convex strips and the guide inclined planes on the convex strips can reduce the contact area and friction between the outer side wall of the linking pipe and the inner side wall of the second pipeline, so that the linking pipe can be more smoothly inserted into the second pipeline, the sealing performance and the stability of the linking pipe after the insertion of the linking pipe and the second pipeline are ensured, and the efficiency and the accuracy of the first pipeline and the second pipeline during welding alignment are further improved.

Preferably, the protruding strip is provided in plural, and the plural protruding strips are arranged in order on the outer wall of the connecting tube along the axial direction of the connecting tube.

Adopt above-mentioned scheme, leakproofness when a plurality of sand grips can further promote linking pipe and second pipeline to link up.

Preferably, the pipeline joint comprises a reinforcing component connected between a first pipeline and a second pipeline, the reinforcing component comprises a first fixing seat fixed on the outer side wall of the first pipeline, a second fixing seat fixed on the outer side wall of the second pipeline and a reinforcing plate connected with the first fixing seat and the second fixing seat, a first mounting groove is formed in the side surface, away from the outer side wall of the first pipeline, of the first fixing seat so that one end of the reinforcing plate can be clamped, and a second mounting groove is formed in the side surface, away from the outer side wall of the second pipeline, of the second fixing seat so that the other end of the reinforcing plate can be clamped; the both ends of gusset plate are all fixed in first mounting groove and second mounting groove through the welding seam.

Adopt above-mentioned scheme, with the both ends of gusset plate welded fastening respectively in the first mounting groove of first fixing base and the second mounting groove of second fixing base, can effectively promote the first pipeline and the second pipeline welding connection steadiness after accomplishing.

Preferably, the edge of the reinforcing plate adjacent to the connecting piece is spaced apart from the outer side wall of the connecting piece.

Adopt above-mentioned scheme for the unable direct contact chimb of border of gusset plate and the welding seam between the second pipeline avoid the welding seam to receive wearing and tearing.

Preferably, a plurality of the reinforcing members are provided, and the plurality of the reinforcing members are provided around the outer peripheral surface of the first pipe at equal intervals.

Adopt above-mentioned scheme, encircle a plurality of reinforcement assemblies that set up, steadiness when can further promote first pipeline and second pipe connection can form a circumferential protection protective screen at the junction of first pipeline and second pipeline with the help of the gusset plate again, avoids the hookup location of first pipeline and second pipeline to receive collision or fracture, has prolonged the life behind first pipeline and the second pipe connection.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the connecting pipe is connected to the pipe orifice of the first pipeline in a connecting mode through the reducer pipe, so that the connecting pipe can be connected to the pipe orifice of the second pipeline in a connecting mode, pipe orifice calibration can be automatically carried out on the first pipeline and the second pipeline when welding is conducted, positioning between the pipe orifices can be calibrated more, and welding efficiency and accuracy are improved. The chimb can provide more abundant region for the welding for first pipeline can be in the same place with the welding of second pipeline more firmly, leakproofness when guaranteeing both to connect simultaneously.

Drawings

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

FIG. 2 is a schematic structural diagram of the first pipe, the reducer pipe and the adapter pipe in this embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of the present embodiment.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a first conduit; 2. a second conduit; 3. connecting the pipe; 4. a reducer pipe; 5. a convex edge; 6. a guide surface; 7. a convex strip; 8. a guide ramp; 9. a reinforcement assembly; 10. a first fixed seat; 11. a second fixed seat; 12. a reinforcing plate; 13. a first mounting groove; 14. and a second mounting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, the pipeline connecting structure disclosed in this embodiment is used for connecting a first pipeline 1 and a second pipeline 2, specifically, the pipeline connecting structure includes a linking pipe 3 and a reducer pipe 4, a larger pipe orifice of the reducer pipe 4 is integrally connected to the first pipeline 1, and a smaller pipe orifice of the reducer pipe 4 is integrally connected to the linking pipe 3, wherein an integral structure of the first pipeline 1, the reducer pipe 4 and the linking pipe 3 can be obtained by stamping, which belongs to common general knowledge in the art and is not described herein again. The linking pipe 3 is inserted into the second pipeline 2, the inner side wall of the linking pipe 3 abuts against the inner side wall of the second pipeline 2, so that the first pipeline 1 and the second pipeline 2 can be tightly combined before welding, and the assembly between the first pipeline and the second pipeline is more accurate, and the subsequent welding is facilitated. In order to improve the welding convenience, a convex edge 5 is annularly arranged at the joint of the connecting pipe 3 and the reducer pipe 4, and the convex edge 5 is connected with the port of the second pipeline 2 close to the first pipeline 1 through a welding seam (not shown).

In order to allow the adapter tube 3 to be more easily plugged into the second pipe 2, the adapter tube 3 is provided with an inclined guide surface 6 around its outer side facing away from the end of the reducer tube 4, as shown in fig. 3.

As shown in fig. 3, in order to reduce the contact area between the outer side wall of the adapter tube 3 and the inner side wall of the second pipe 2 to reduce friction therebetween, the sealability of the adapter tube 3 and the second pipe 2 after assembly is ensured. The periphery of the connecting pipe 3 is provided with a convex strip 7, the outer wall of the convex strip 7 is provided with a guide inclined surface 8, and the arrangement direction of the guide inclined surface 8 is consistent with that of the guide surface 6. The convex strips 7 are provided in plurality, and the convex strips 7 are sequentially arranged on the outer wall of the connecting tube 3 along the axial direction of the connecting tube 3.

As shown in fig. 1 and 4, in order to further improve the stability of the first pipe 1 connected to the second pipe 2 and the protection performance of the splicing position after the welding of the first pipe 1 and the second pipe 2, the pipe connection structure further includes a reinforcement assembly 9 connected between the first pipe 1 and the second pipe 2, the reinforcement assembly 9 includes a first fixing seat 10 fixed on the outer side wall of the first pipe 1, a second fixing seat 11 fixed on the outer side wall of the second pipe 2, and a reinforcement plate 12 connected between the first fixing seat 10 and the second fixing seat 11, wherein the first fixing seat 10 is made of a material identical to that of the first pipe 1 and the first pipe 1 are integrally disposed, the second fixing seat 11 is made of a material identical to that of the second pipe 2 and the second pipe 2 are integrally disposed, and the reinforcement plate 12 is in a long strip shape so as to connect the first fixing seat 10 to the second fixing seat 11.

As shown in fig. 4, in order to ensure the stability of the reinforcing plate 12 when connecting the first fixing seat 10 and the second fixing seat 11, a first mounting groove 13 is formed on the side surface of the first fixing seat 10 away from the outer side wall of the first pipeline 1 for clamping one end of the reinforcing plate 12, and a second mounting groove 14 is formed on the side surface of the second fixing seat 11 away from the outer side wall of the second pipeline 2 for clamping the other end of the reinforcing plate 12; both ends of the reinforcing plate 12 are fixed to the first and

second mounting grooves

13 and 14 by welding (not shown).

As shown in fig. 1, in order to prevent the edge of the reinforcing plate 12 from contacting the welding seam (not shown) between the nipple 3 and the second pipe 2 and causing damage to the welding seam (not shown), a space is maintained between the edge of the reinforcing plate 12 near the nipple 3 and the outer side wall of the nipple 3.

As shown in fig. 1, in order to form a circumferential protection at the joint position of the first pipeline 1 and the second pipeline 2 by the reinforcing component 9, a plurality of reinforcing components 9 are provided, and the plurality of reinforcing components 9 are annularly provided on the outer circumferential surface of the first pipeline 1 at equal intervals.

The specific using process is as follows:

when connecting first pipeline 1 and second pipeline 2, insert the linking pipe 3 that first pipeline 1 extends through reducing pipe 4 in the second pipeline 2 earlier to make second pipeline 2 be close to the terminal surface butt in chimb 5 of first pipeline 1, make first pipeline 1 and second pipeline 2 accomplish preliminary location. In the process, the relative position between the first pipeline 1 and the second pipeline 2 is rotated, so that the first fixed seats 10 on the outer side wall of the first pipeline 1 can be aligned with the second fixed seats 11 on the outer side wall of the second pipeline 2 one by one. Then, the second pipeline 2 is welded to the flange 5 near the end of the first pipeline 1, and the butt joint of the first pipeline 1 and the second pipeline 2 can be completed. Then, the two ends of the reinforcing plate 12 are respectively embedded into the first mounting groove 13 and the second mounting groove 14 of the first fixing seat 10 and the second fixing seat 11 which are oppositely arranged, and after the installation is completed, the two ends of the reinforcing plate 12 can be respectively welded and fixed in the first mounting groove 13 and the second mounting groove 14. After all the reinforcing plates 12 are installed, a circumferential protection can be formed at the joint of the first pipeline 1 and the second pipeline 2, so that the connection between the first pipeline 1 and the second pipeline 2 is more stable.

Claims

1. A pipe connection structure for connecting a first pipe (1) with a second pipe (2), characterized in that: the pipeline connecting structure comprises a connecting pipe (3) and a reducing pipe (4), wherein a larger pipe orifice of the reducing pipe (4) is integrally connected to the first pipeline (1), a smaller pipe orifice of the reducing pipe (4) is integrally connected to the connecting pipe (3), the connecting pipe (3) is inserted into the second pipeline (2), and the inner side wall of the connecting pipe (3) abuts against the inner side wall of the second pipeline (2); the connection part of the connection pipe (3) and the reducer pipe (4) is annularly provided with a convex edge (5), and the convex edge (5) is connected with the port of the second pipeline (2) close to the first pipeline (1) through a welding seam.

2. A pipe connecting structure according to claim 1, wherein: an inclined guide surface (6) is annularly arranged on the outer side of the end opening of the connecting pipe (3) far away from the reducer pipe (4).

3. A pipe connecting structure according to claim 2, wherein: the outer peripheral surface of the connecting pipe (3) is annularly provided with a convex strip (7), the outer wall of the convex strip (7) is annularly provided with a guide inclined plane (8), and the setting direction of the guide inclined plane (8) is consistent with that of the guide surface (6).

4. A pipe connecting structure according to claim 3, wherein: the convex strips (7) are arranged in a plurality, and the convex strips (7) are sequentially arranged on the outer wall of the connecting pipe (3) along the axial direction of the connecting pipe (3).

5. A pipe connecting structure according to any one of claims 1 to 4, wherein: the reinforcing component (9) is connected between the first pipeline (1) and the second pipeline (2), the reinforcing component (9) comprises a first fixing seat (10) fixed on the outer side wall of the first pipeline (1), a second fixing seat (11) fixed on the outer side wall of the second pipeline (2) and a reinforcing plate (12) connected with the first fixing seat (10) and the second fixing seat (11), a first mounting groove (13) is formed in the side face, away from the outer side wall of the first pipeline (1), of the first fixing seat (10) to clamp one end of the reinforcing plate (12), and a second mounting groove (14) is formed in the side face, away from the outer side wall of the second pipeline (2), of the second fixing seat (11) to clamp the other end of the reinforcing plate (12); both ends of the reinforcing plate (12) are fixed on the first mounting groove (13) and the second mounting groove (14) through welding seams.

6. A pipe connecting structure according to claim 5, wherein: a gap is kept between the edge of the reinforcing plate (12) close to the connecting pipe (3) and the outer side wall of the connecting pipe (3).

7. A pipe connecting structure according to claim 5, wherein: the plurality of reinforcing assemblies (9) are arranged, and the plurality of reinforcing assemblies (9) are annularly arranged on the outer peripheral surface of the first pipeline (1) at equal intervals.