CN217056776U

CN217056776U - Connecting structure of reducing PE pipeline

Info

Publication number: CN217056776U
Application number: CN202122468540.0U
Authority: CN
Inventors: 李小勇; 欧阳斌斌
Original assignee: Jiangxi Nanshi Pipe Industry Co ltd
Current assignee: Jiangxi Nanshi Pipe Industry Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-07-26
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a connecting structure of a reducing PE pipeline, which comprises a first pipeline, a second pipeline, a butt joint component and a clamping piece; first pipeline and second pipeline head and the tail are contradicted each other and are coaxial setting, butt joint subassembly and chucking spare, and the tip of installing in first pipeline is established to the rotatable cover of butt joint subassembly, and the butt joint subassembly is used for fixed connection between first pipeline and the second pipeline head and the tail, and chucking spare fixing clip establishes to be installed outside the butt joint subassembly, the utility model discloses can effectually carry out quick butt joint between axial and radial spacing fixed and the realization pipeline to pipeline butt joint department, easy operation, installation are convenient.

Description

Connecting structure of reducing PE pipeline

Technical Field

The utility model relates to a pipe connection technical field specifically is a connection structure who relates to a reducing PE pipeline.

Background

In the process of supplying water to tap water, a water supply pipe and a pipe joint are necessary parts, but the traditional water supply pipe can cause the defects of dirt pollution, running water, insufficient strength and the like, and the pipe joint is a connecting part between pipelines and is a connecting piece which can be disassembled and assembled between the fittings and the pipelines, plays an indispensable important role in a pipe fitting, is one of main components of the pipelines, has more types of pipe joints and wide application, wherein the application is concentrated on the connection of the water supply pipe, the water supply pipe needs to convey water to dozens of meters or even higher, then a multi-component branch pipeline is connected from the water supply pipe for each family to use, but the diameter of a water supply pipe for each family is mostly smaller than that of the water supply pipe, at the moment, the increase of water pressure at a switching part can occur, and the situations of separation, fracture and the like at the butt joint part can be easily caused;

therefore, a connection structure between the reducing PE pipelines is needed to solve the problems of separation, fracture and water leakage of the butt joint caused by pressure increase due to the reduction of the pipe diameter.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a connection structure of a reducing PE pipe in order to solve the problems in the prior art.

For solving the prior art problem, the utility model discloses a technical scheme do:

a connecting structure of a reducing PE pipeline comprises a first pipeline, a second pipeline, a butt joint assembly and a clamping piece; the first pipeline and the second pipeline are mutually butted end to end and are coaxially arranged, the end part of the first pipeline is installed by the rotatable sleeve of the butt joint assembly, the butt joint assembly is used for fixedly connecting the end to end of the first pipeline and the second pipeline, and the clamping piece is fixedly clamped and installed outside the butt joint assembly.

Preferably, the first pipeline comprises an annular sliding chute, and the annular sliding chute is axially and rotatably arranged on the outer wall of one end of the first pipeline.

Preferably, the second pipeline comprises an external thread and a ring-shaped clamping groove; the external screw thread is seted up outside the second pipeline tip, and the external screw thread is close to the tip setting of first pipeline, and ring type draw-in groove axial rotation is seted up in second pipeline outer wall, and the ring type draw-in groove is close to the external screw thread setting.

The butt joint component comprises a sleeve column, a sliding ring and a hexagonal nut; the first pipeline tip is located to the cover post cover, sliding ring fixed mounting in the cover post, the sliding ring with annular spout sliding connection, hexagon nut fixed mounting is in one side of cover post, and hexagon nut sets up towards the second pipeline tip.

The clamping piece comprises an upper clamping piece, a lower clamping piece and a locking bolt; go up chucking spare top-down card and locate the hexagon nut upper surface, lower chucking spare is blocked from bottom to top and is located the hexagon nut lower surface, lower chucking spare is the same with last chucking spare structure, and locking bolt is used for fixing between last chucking spare after the block and the lower chucking spare.

The upper clamping piece also comprises a clamping groove and a clamping ring; the draw-in groove is seted up inside last chucking spare, draw-in groove and hexagon nut outer wall phase-match, the snap ring sets up in the one end of last chucking spare, the snap ring with loop type draw-in groove phase-match.

Compared with the prior art, the beneficial effect of this application is:

1. this application is through the cooperation of butt joint subassembly and chucking spare, has realized how to carry out fixed connection between first pipeline and the second pipeline tip to and can lead to the second pipeline axial impact force too big and appear that the butt joint department takes place radial swing because of water pressure is too high after connecting, lead to the butt joint department to appear droing and cracked technical problem.

2. This application is under the cooperation of draw-in groove and snap ring, has solved how to avoid can appearing separation, fracture and the technical problem who leaks because water pressure is too big or butt joint department wrench movement for a long time between first pipeline after the butt joint and the second pipeline.

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a side view of the embodiment;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a perspective view of the first conduit, the second conduit, and the docking assembly of the embodiment;

FIG. 5 is an exploded perspective view of the first conduit, second conduit and docking assembly of the embodiment;

fig. 6 is a perspective view of the upper clamping assembly and the lock bolt of the embodiment.

The reference numbers in the figures are:

1-a first conduit; 1 a-an annular chute;

2-a second conduit; 2 a-external thread; 2 b-a ring-shaped card slot;

3-a docking assembly; 3 a-sleeving a column; 3 b-a slip ring; 3 c-a hex nut;

4-a clip; 4 a-an upper clamp; 4a 1-card slot; 4a 2-snap ring; 4 b-a lower clamp; 4 c-locking bolt.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 6:

a connecting structure of a reducing PE pipeline comprises a first pipeline 1, a second pipeline 2, a butt joint component 3 and a clamping piece 4;

first pipeline

1 and 2 head and the tail of second pipeline are contradicted each other and are coaxial setting, and the tip of installing in first pipeline 1 is established to the rotatable cover of butt joint subassembly 3, and butt joint subassembly 3 is used for with fixed connection between first pipeline 1 and the 2 head and the tail of second pipeline, and 4 fixed card of chucking spare are established and are installed outside butt joint subassembly 3.

Based on the above embodiment, the diameter of the second pipeline 2 is smaller than that of the first pipeline 1, the diameter of the second pipeline 2 is set from large to small, the diameter of the end portion of the second pipeline 2, which is in butt joint with the first pipeline 1, is equal to that of the first pipeline 1, when the first pipeline 1 and the second pipeline 2 need to be in butt joint, a worker firstly takes the second pipeline 2 to keep the second pipeline 2 to be coaxially arranged with the first pipeline 1, then rotates the butt joint assembly 3, butt joint and fixation are performed on the second pipeline 2 and the end portion of the first pipeline 1 through the butt joint assembly 3, after fixation is completed, in order to avoid that the second pipeline 2 falls off the first pipeline 1 due to too large axial impact of water pressure, or the butt joint of the second pipeline 2 and the first pipeline 1 is broken or separated due to radial swing, at this time, the butt joint can be clamped through the clamping member 4.

As shown in fig. 5:

the first pipeline 1 comprises an annular sliding groove 1a, and the annular sliding groove 1a is axially and rotatably arranged on the outer wall of one end of the first pipeline 1.

Based on the above embodiment, the annular sliding groove 1a is used for matching the docking assembly 3 to be slidably connected therewith.

As shown in fig. 5:

the second pipeline 2 comprises an external thread 2a and a ring-shaped clamping groove 2 b; external screw thread 2a sets up outside 2 tip of second pipeline, and external screw thread 2a is close to the tip setting of first pipeline 1, and the annular draw-in groove 2b axial rotation sets up in 2 outer walls of second pipeline, and annular draw-in groove 2b is close to external screw thread 2a setting.

Based on above-mentioned embodiment, external screw thread 2a is used for through butt joint subassembly 3 and the rotatory butt joint of 1 tip of first pipeline to accomplish the head and the tail butt joint fixed work of first pipeline 1 and second pipeline 2, ring type draw-in groove 2b is used for supplying chucking spare 4 rather than the cooperation, thereby realizes carrying out the work of secondary spacing fixed to first pipeline 1 after the butt joint and second pipeline 2.

Further, in order to solve the technical problem of how to realize the end-to-end butt fixing of the first pipeline 1 and the second pipeline 2 by the butt joint assembly 3, as shown in fig. 3, 4 and 5:

the butt joint component 3 comprises a sleeve column 3a, a sliding ring 3b and a hexagonal nut 3 c; 1 tip in first pipeline is located to cover post 3a cover, sliding ring 3b fixed mounting in cover post 3a, sliding ring 3b with annular spout 1a sliding connection, hexagon nut 3c fixed mounting is in one side of cover post 3a, and hexagon nut 3c sets up towards 2 tips in second pipeline.

Based on above-mentioned embodiment, when needs dock fixedly

first pipeline

1 and 2 heads and the tails of second pipeline, the staff takes second pipeline 2 and makes 2 outer walls of second pipeline set up the one end of external screw thread 2a towards hexagon nut 3c setting, then rotatory hexagon nut 3c supports tightly and fixed connection through hexagon nut 3c to

first pipeline

1 and 2 heads and the tails of second pipeline, can be in sealing washer of embedded installation of hexagon nut 3c before carrying out the butt joint, thereby guarantee the leakproofness of connecting the back butt joint department.

Further, in order to solve the technical problem of how to fix the joint of the first pipeline 1 and the second pipeline 2 after the joint is fixed, as shown in fig. 2 and 6:

the retainer 4 includes an upper retainer 4a, a lower retainer 4b, and a lock bolt 4 c; go up chucking spare 4a top-down card and locate hexagon nut 3c upper surface, lower chucking spare 4b card from bottom to top is located hexagon nut 3c lower surface, lower chucking spare 4b is the same with last chucking spare 4a structure, and locking bolt 4c is used for fixing between last chucking spare 4a after the block and lower chucking spare 4 b.

Based on above-mentioned embodiment, under 4a, lower chucking spare 4b and lock bolt 4 c's cooperation, can effectually realize fixed the secondary of first pipeline 1 and second pipeline 2 butt joint department, avoid hexagon nut 3c takes place independently to rotate or because of the too big circumstances that leads to the separation of butt joint department of water pressure.

As shown in fig. 2 and 6:

the upper clamping piece 4a also comprises a clamping groove 4a1 and a clamping ring 4a 2; the clamping groove 4a1 is formed in the upper clamping part 4a, the clamping groove 4a1 is matched with the outer wall of the hexagon nut 3c, the clamping ring 4a2 is arranged at one end of the upper clamping part 4a, and the clamping ring 4a2 is matched with the annular clamping groove 2 b.

Based on the above embodiment, before installing last chucking spare 4a and lower chucking spare 4b under operating condition, guarantee draw-in groove 4a1 with behind hexagon nut 3c outer wall wedge-shaped and the joint cooperation make snap ring 4a2 also block locate in ring type draw-in groove 2b, then fix between last chucking spare 4a and lower chucking spare 4b through lock bolt 4c, through snap ring 4a2 with the joint cooperation between ring type draw-in groove 2b can be effectual solve later stage second pipeline 2 because the too big technical problem that leads to threshing first pipeline 1 tip of water pressure, through draw-in groove 4a1 can be effectual solution hexagon nut 3c appears independently to rotate and become flexible and leads to the technical problem of butt joint separation.

This application is through the cooperation of butt joint subassembly 3 and chucking spare 4, has realized how to carry out fixed connection between first pipeline 1 and the 2 tip of second pipeline to and can lead to the 2 axial impact forces of second pipeline too big and appear butt joint department and take place radial swing after connecting because of water pressure is too high, lead to the butt joint department to appear droing and cracked technical problem, the utility model discloses can effectually carry out axial and radial spacing fixed and realize the quick butt joint between the pipeline to the pipeline butt joint department, easy operation, installation are convenient.

The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The connecting structure of the reducing PE pipeline is characterized by comprising a first pipeline (1), a second pipeline (2), a butt joint assembly (3) and a clamping piece (4); first pipeline (1) and second pipeline (2) are contradicted each other end to end and are coaxial setting, and the tip in first pipeline (1) is established to rotatable cover of butt joint subassembly (3), and butt joint subassembly (3) are used for with fixed connection between first pipeline (1) and second pipeline (2) end to end, and chucking spare (4) fixing clip is established and is installed outside butt joint subassembly (3).

2. The connection structure of a reducing PE pipe according to claim 1, wherein the first pipe (1) comprises an annular chute (1a), and the annular chute (1a) is axially and rotatably arranged on the outer wall of one end of the first pipe (1).

3. The connection structure of a reducing PE pipe according to claim 2, wherein the second pipe (2) comprises an external thread (2a) and a ring-shaped neck (2 b); outside second pipeline (2) tip was seted up in external screw thread (2a), the tip setting that external screw thread (2a) are close to first pipeline (1), and ring type draw-in groove (2b) axial rotation is seted up in second pipeline (2) outer wall, and ring type draw-in groove (2b) are close to external screw thread (2a) setting.

4. The connection structure of a reducing PE pipe according to claim 3, wherein the butt joint assembly (3) comprises a sleeve column (3a), a sliding ring (3b) and a hexagonal nut (3 c); first pipeline (1) tip is located to cover post (3a) cover, sliding ring (3b) fixed mounting in cover post (3a), sliding ring (3b) with annular spout (1a) sliding connection, hexagon nut (3c) fixed mounting is in one side of cover post (3a), and hexagon nut (3c) sets up towards second pipeline (2) tip.

5. The connection structure of a reducing PE pipe according to claim 4, wherein the clamping member (4) comprises an upper clamping member (4a), a lower clamping member (4b) and a locking bolt (4 c); go up chucking spare (4a) top-down card and locate hexagon nut (3c) upper surface, lower chucking spare (4b) card from bottom to top is located hexagon nut (3c) lower surface, lower chucking spare (4b) are the same with last chucking spare (4a) structure, and locking bolt (4c) are used for fixing between last chucking spare (4a) after the block and lower chucking spare (4 b).

6. The connecting structure of the reducing PE pipe as claimed in claim 5, wherein the upper clamping member (4a) further comprises a clamping groove (4a1) and a clamping ring (4a 2); inside card ring (4a) was seted up in draw-in groove (4a1), draw-in groove (4a1) and hex nut (3c) outer wall phase-match, snap ring (4a2) set up in the one end of last card ring (4a), snap ring (4a2) with ring type draw-in groove (2b) phase-match.