CN212564880U

CN212564880U - Reducing adjusting pipe for connecting PCCP (prestressed concrete cylinder pipe) pipe with steel pipe or tee joint

Info

Publication number: CN212564880U
Application number: CN202021277624.5U
Authority: CN
Inventors: 荣学良; 李天鹏; 丁志国; 肖阳; 周利军; 龙胜华; 伊久文; 唐仲伦; 吴汝丽; 董金能
Original assignee: Yunnan Chuxiong Hengji Pipeline Industry Co ltd
Current assignee: Yunnan Chuxiong Hengji Pipeline Industry Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-19
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a reducing adjusting pipe for connecting a PCCP (prestressed concrete cylinder pipe) with a steel pipe or a tee joint, which comprises a U-shaped seat in a hollow structure, wherein a connecting pipe is tightly welded on the rear side surface of the U-shaped seat, and through holes are arranged on the inner walls of two sides of the U-shaped seat near the end part; a reducing adjusting mechanism is arranged between the inner walls of the two sides of the U-shaped seat and comprises a hollow sphere, and a plurality of straight pipes which are distributed annularly and at equal intervals are arranged on the outer wall of the sphere; this PCCP pipe and steel pipe or tee bend connected's reducing governing pipe is through the reducing adjustment mechanism who is equipped with, and when using promptly, the one end of PCCP pipe is connected with the connecting pipe with the bore, and steel pipe or tee bend then can carry out the adaptation installation with the screw thread chamber of different internal diameters to be applicable to the steel pipe or the tee bend of different bores, and threaded connection's leakproofness is good, has avoided the emergence of infiltration.

Description

Reducing adjusting pipe for connecting PCCP (prestressed concrete cylinder pipe) pipe with steel pipe or tee joint

Technical Field

The utility model relates to a tube coupling technical field specifically is a PCCP pipe and steel pipe or tee bend reducing governing pipe of being connected.

Background

The PCCP pipe is a composite pipe for transporting fluid, the PCCP pipe is generally connected with other pipelines through a steel pipe or a tee joint, however, due to different calibers of the pipelines, the PCCP pipe is difficult to install when being connected with the steel pipe or the tee joint with different calibers, and even the PCCP pipe is permeated after being connected, therefore, the reducing adjusting pipe for connecting the PCCP pipe with the steel pipe or the tee joint is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCCP pipe and steel pipe or tee bend are connected's reducing governing pipe to solve the problem that provides among the above-mentioned background art.

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

a diameter-variable adjusting pipe for connecting a PCCP pipe with a steel pipe or a tee joint comprises a U-shaped seat in a hollow structure, wherein a connecting pipe is tightly welded on the rear side surface of the U-shaped seat, and through holes are formed in the positions, close to the end parts, of the inner walls of the two sides of the U-shaped seat; the reducing adjusting mechanism comprises a ball body in a hollow structure, a plurality of straight pipes are annularly distributed at equal intervals on the outer wall of the ball body, a connecting seat is arranged at the tail end of each straight pipe, a threaded cavity is formed in the connecting seat, the radiuses of the threaded cavities are different, threaded holes are formed in the threaded cavities, the threaded holes, the straight pipes and the inner portion of the ball body are sequentially communicated, three of the threaded holes are internally connected with rubber plugs in a threaded manner, two branch pipes are symmetrically arranged on the outer wall of the ball body and penetrate through and are rotatably connected with the through holes, two limiting rings which are parallel to each other are coaxially and tightly welded on the circumferential outer walls of the branch pipes, and the limiting rings are respectively positioned on two sides of the through holes; the connecting pipe is fixedly connected with a PCCP pipe through a flange.

As the utility model discloses preferred technical scheme, the spheroid the straight tube the connecting seat with the branch pipe is the integrated into one piece structure.

As the utility model discloses preferred technical scheme, two the spacing ring closely laminates with the outer wall and the inner wall of U-shaped seat respectively.

As the preferred technical scheme of the utility model, reducing adjustment mechanism all adopts stainless steel to make.

As the utility model discloses preferred technical scheme, the junction of branch pipe and through-hole all is equipped with rubber seal.

Compared with the prior art, the beneficial effects of the utility model are that: this PCCP pipe and steel pipe or tee bend connected's reducing governing pipe is through the reducing adjustment mechanism who is equipped with, and when using promptly, the one end of PCCP pipe is connected with the connecting pipe with the bore, and steel pipe or tee bend then can carry out the adaptation installation with the screw thread chamber of different internal diameters to be applicable to the steel pipe or the tee bend of different bores, and threaded connection's leakproofness is good, has avoided the emergence of infiltration.

Drawings

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

FIG. 2 is a schematic structural view of a U-shaped seat of the present invention;

FIG. 3 is a partial sectional view of the structure of the reducing adjusting mechanism of the present invention;

FIG. 4 is an exploded view of the diameter-variable adjusting mechanism of the present invention;

fig. 5 is a formal structure diagram of the medium-diameter-variable adjusting mechanism of the present invention.

The various reference numbers in the figures mean:

1. a U-shaped seat; 11. a connecting pipe; 12. a through hole;

2. a variable diameter adjusting mechanism; 21. a sphere; 22. a straight pipe; 23. a connecting seat; 231. a threaded cavity; 232. a threaded hole; 24. A rubber plug; 25. a branch pipe; 251. a limiting ring;

3. a PCCP tube.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a diameter-variable adjusting pipe for connecting a PCCP pipe with a steel pipe or a tee joint comprises a U-shaped seat 1 in a hollow structure, a connecting pipe 11 is tightly welded on the rear side surface of the U-shaped seat 1, and through holes 12 are formed in the positions, close to the end parts, of the inner walls of the two sides of the U-shaped seat 1; the variable-diameter adjusting mechanism 2 is arranged between the inner walls of the two sides of the U-shaped seat 1, the variable-diameter adjusting mechanism 2 comprises a ball body 21 in a hollow structure, a plurality of straight pipes 22 which are distributed in an annular shape at equal intervals are arranged on the outer wall of the ball body 21, the tail end of each straight pipe 22 is provided with a connecting seat 23, a threaded cavity 231 is formed in each connecting seat 23, the radiuses of the threaded cavities 231 are different, threaded holes 232 are formed in each threaded cavity 231, the threaded cavities 231, the threaded holes 232, the straight pipes 22 and the inner portion of the ball body 21 are sequentially communicated, a rubber plug 24 is connected to the three threaded holes 232 in a threaded mode, two branch pipes 25 are symmetrically arranged on the outer wall of the ball body 21, the branch pipes 25 penetrate through the through hole 12 and are connected with the through hole 12 in a rotating; the connecting pipe 11 is fixedly connected with a PCCP pipe 3 through a flange.

In this embodiment, the ball 21, the straight tube 22, the connecting seat 23 and the branch tube 25 are integrally formed, so that the integrally formed structure has a long service life and good sealing performance, and water seepage is difficult to occur.

In this embodiment, the two limiting rings 251 are respectively tightly attached to the outer wall and the inner wall of the U-shaped seat 1, which is beneficial to preventing water from leaking from the through hole 12.

In this embodiment, the reducing adjusting mechanisms 2 are all made of stainless steel, and the stainless steel has good corrosion resistance and longer service life.

In this embodiment, rubber sealing rings are arranged at the joints of the branch pipes 25 and the through holes 12, and water seepage at the through holes 12 can be avoided by the design.

It should be noted that, when the reducing adjustment mechanism 2 in this embodiment is connected to a steel pipe or a tee, the rubber stoppers 24 need to be screwed into the threaded holes 232 in the three threaded cavities 231, and the other threaded cavity 231 with the adaptive caliber is connected to the steel pipe or the tee through a thread, which can prevent fluid from flowing out through the three threaded holes 232.

Before the PCCP is used with a steel pipe or a tee joint, a user firstly fixedly connects the PCCP 3 with the connecting pipe 11 through a flange, then rotates the sphere 21, at the moment, the branch pipe 25 rotates along the through hole 12, and the connecting seat 23 with the adaptive caliber is rotated out of the space between the two side walls of the U-shaped seat 1;

when the diameter-variable adjusting pipe connected with the PCCP pipe and the steel pipe or the tee joint is used, a user screws the steel pipe or the tee joint into the matched threaded cavity 231, and simultaneously screws the rubber plugs 24 into the other three threaded holes 232;

the fluid flows into the connecting pipe 11 and the U-shaped seat 1 through the PCCP 3, simultaneously enters the ball 21 through the branch pipe 25, simultaneously flows into the thread cavity 231 through the corresponding straight pipe 22 and the thread hole 232, and flows into the steel pipe or the tee joint through the thread cavity 231.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PCCP pipe and steel pipe or tee junction's reducing governing pipe, is including U-shaped seat (1) that is cavity formula structure, its characterized in that: a connecting pipe (11) is tightly welded on the rear side surface of the U-shaped seat (1), and through holes (12) are formed in the inner walls of the two sides of the U-shaped seat (1) close to the end parts; be equipped with reducing adjustment mechanism (2) between U-shaped seat (1) both sides inner wall, reducing adjustment mechanism (2) is including spheroid (21) that is the hollow structure, be equipped with a plurality of straight tubes (22) that are the equidistant distribution of annular on the outer wall of spheroid (21), the end of straight tube (22) is equipped with connecting seat (23), set up threaded cavity (231) on connecting seat (23), it is a plurality of the radius of threaded cavity (231) all is different, set up screw hole (232) in threaded cavity (231), screw hole (232), straight tube (22) and the inside of spheroid (21) is linked together in proper order, three of them threaded hole (232) female connection has rubber buffer (24), the symmetry is equipped with two branch pipes (25) on the outer wall of spheroid (21), branch pipe (25) pass through-hole (12) and rotate rather than and be connected, two limiting rings (251) which are parallel to each other are coaxially and tightly welded on the circumferential outer wall of the branch pipe (25), and the limiting rings (251) are respectively positioned at two sides of the through hole (12); the connecting pipe (11) is fixedly connected with a PCCP pipe (3) through a flange.

2. The reducing adjusting pipe for connecting the PCCP pipe with the steel pipe or the tee joint as claimed in claim 1, wherein: the ball body (21), the straight pipe (22), the connecting seat (23) and the branch pipe (25) are of an integrally formed structure.

3. The reducing adjusting pipe for connecting the PCCP pipe with the steel pipe or the tee joint as claimed in claim 1, wherein: the two limiting rings (251) are tightly attached to the outer wall and the inner wall of the U-shaped seat (1) respectively.

4. The reducing adjusting pipe for connecting the PCCP pipe with the steel pipe or the tee joint as claimed in claim 1, wherein: the reducing adjusting mechanisms (2) are all made of stainless steel.

5. The reducing adjusting pipe for connecting the PCCP pipe with the steel pipe or the tee joint as claimed in claim 1, wherein: and rubber sealing rings are arranged at the joints of the branch pipes (25) and the through holes (12).