CN220540557U

CN220540557U - Plastic-lined three-way pipe

Info

Publication number: CN220540557U
Application number: CN202322005592.3U
Authority: CN
Inventors: 徐永泽; 陈仁倪
Original assignee: Quzhou Yonggao Anti Corrosion Engineering Co ltd
Current assignee: Quzhou Yonggao Anti Corrosion Engineering Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-02-27
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to the technical field of plastic-lined pipe fittings, in particular to a plastic-lined three-way pipe. The lining is mainly fixed to the existing lining plastic three-way pipe lining, if the lining is damaged, the lining plastic three-way pipe is required to be integrally replaced, so that the cost is increased, the problem of waste of the shell part is caused, and the following technical scheme is provided: the plastic-lined three-way pipe comprises an outer pipe body, a first inner liner pipe for protecting the inner part of the outer pipe body transverse line pipe is arranged in the outer pipe body transverse line pipe, a second inner liner pipe for protecting the inner part of the outer pipe body vertical pipe is arranged in the outer pipe body vertical pipe, and a threaded hole is formed in the top pipe wall of the first inner liner pipe. The utility model is convenient for the staff to change the first lining pipe and the second lining pipe according to the service conditions of the first lining pipe and the second lining pipe in a targeted way, and avoids the resource waste caused by the whole replacement.

Description

Plastic-lined three-way pipe

Technical Field

The utility model relates to the technical field of plastic-lined pipe fittings, in particular to a plastic-lined three-way pipe.

Background

The plastic-lined tee pipe is a pipe fitting for connecting a pipeline system. The plastic three-way pipe is made of plastic as an external material, and is internally lined with a material (such as polytetrafluoroethylene and the like) with better corrosion resistance, and the lining is fixedly arranged in the plastic-lined three-way pipe, so that the plastic-lined three-way pipe has a corrosion-resistant effect when in use, the inside is protected, and the service life of the plastic-lined three-way pipe is prolonged. Today plastic lined tee pipes are commonly used in branches and joints in piping systems to achieve the splitting, merging and steering functions of the pipes.

However, most of the existing lining plastic tee pipe linings are fixedly arranged, if the lining is damaged, the lining plastic tee pipe needs to be integrally replaced, so that the cost is increased, the outer part of the lining plastic tee pipe is wasted, and in view of the fact, the lining plastic tee pipe is provided.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a plastic-lined three-way pipe.

The technical scheme of the utility model is as follows: the utility model provides a three-way pipe is moulded to lining, includes that the three-way pipe is moulded to the lining, the three-way pipe is moulded to the lining includes outer body, outer body horizontal pipeline internally mounted has the first lining pipe of protecting outer body horizontal line pipeline inside, outer body vertical pipeline internally mounted has the second lining pipe of protecting outer body vertical pipeline inside, threaded hole has been seted up on the top pipe wall of first lining pipe, the tip of outer body is provided with the sealed locating component of supplementary first lining pipe and second lining pipe installation location.

Preferably, the threaded hole is matched with a second lining pipe, a first thread is formed on the outer ring surface of the second lining pipe, and the second lining pipe is installed on the first lining pipe through the first thread.

Preferably, the sealing positioning assembly comprises an outer layer positioning cylinder, a second thread is arranged in the outer layer positioning cylinder, a thread groove is formed in the outer ring surface of the end part of the outer pipe body, and the second thread is matched with the thread groove.

Preferably, a first sealing ring is arranged on the inner surface wall body of the outer layer positioning cylinder, and the wall thickness of the first sealing ring is consistent with that of the outer pipe body.

Preferably, a joint sealing ring is installed on the surface of the inner ring of the first sealing ring, the joint sealing ring corresponds to the end part of the first lining pipe, and the first sealing ring is located at the joint of the joint sealing ring and the end part of the first lining pipe.

Preferably, a second sealing ring is installed at the end part of the joint sealing ring, the second sealing ring is located in the first lining pipe, and the outer surface wall body of the second sealing ring is tightly attached to the inside of the first lining pipe.

Preferably, the three seal positioning assemblies are divided into two groups, one group of seal positioning assemblies are symmetrically arranged at the end part of the outer pipe body transverse pipeline, and the other group of seal positioning assemblies are arranged at the end part of the outer pipe body vertical pipeline.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the utility model, the first lining pipe is fixed in the transverse pipeline of the outer pipe body through the arrangement of one group of sealing positioning assemblies, and the limit of the end part of the first lining pipe can be released by unscrewing two of the sealing positioning assemblies, so that the first lining pipe is conveniently detached from the outer pipe body, the replacement of the first lining pipe by workers is facilitated, the integral replacement of the lining plastic three-way pipe when the first lining pipe is damaged is avoided, and the resource waste is caused.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional view of a plastic lined tee;

FIG. 2 is a schematic view of an exploded view of the seal positioning assembly of FIG. 1;

fig. 3 is a schematic view of the expanded structure of the second liner tube and the first liner tube in fig. 1.

Reference numerals: 1. lining plastic three-way pipe; 10. an outer tube body; 20. a first liner tube; 30. a second liner tube; 40. a seal positioning assembly; 410. an outer layer positioning cylinder; 420. a first seal ring; 430. a joint seal ring; 440. a second seal ring; 50. and (3) a threaded hole.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-3, the plastic-lined three-way pipe provided by the utility model comprises a plastic-lined three-way pipe 1, wherein the plastic-lined three-way pipe 1 comprises an outer pipe body 10, the outer pipe body 10 is used as a shell of the plastic-lined three-way pipe 1, a first lining pipe 20 and a second lining pipe 30 are respectively arranged in a transverse pipeline of the outer pipe body 10 and a vertical pipeline of the outer pipe body 10, the first lining pipe 20 and the second lining pipe 30 are used as linings of the plastic-lined three-way pipe 1, and the first lining pipe 20 and the second lining pipe 30 are used for protecting the interior of the outer pipe body 10 so as to reduce damage to the outer pipe body 10 caused by fluid and facilitate diversion of the fluid. The threaded hole 50 is formed in the top pipe wall of the first lining pipe 20, the threaded hole 50 is formed in the middle of the first lining pipe 20, first threads are formed in the outer surface pipe body of the second lining pipe 30, the second lining pipe 30 is matched with the threaded hole 50, the second lining pipe 30 is fixedly mounted on the second lining pipe 30 through the matching of the first threads and the threaded hole 50, and the second lining pipe 30 on the first lining pipe 20 is conveniently dismounted by workers through the matching of the threaded hole 50 and the first threads.

Further, the end of the outer pipe 10 is provided with the seal positioning components 40 for assisting the first lining pipe 20 and the second lining pipe 30 to be installed and positioned, the three seal positioning components 40 are divided into two groups, one group of seal positioning components 40 are symmetrically arranged at the end of the transverse pipeline of the outer pipe 10, and the other group of seal positioning components 40 are installed at the end of the vertical pipeline of the outer pipe 10, as the three seal positioning components 40 are respectively arranged at the three ends of the outer pipe 10, the tightness of the joint of the plastic lining three-way pipe 1 and the pipeline is conveniently improved, and fluid leakage is avoided. The seal positioning assembly 40 comprises an outer positioning barrel 410, a second thread is provided on the inner surface of the outer positioning barrel 410, a thread groove is provided on the outer surface wall of the outer pipe 10, the thread groove is matched with the second thread, and the outer positioning barrel 410 is fixedly mounted at the end of the outer pipe 10 through the matching of the second thread and the thread groove. The first sealing ring 420 is fixedly installed on the inner surface wall of the outer positioning cylinder 410, and the end surface of the first sealing ring 420 is abutted against the end surface of the outer pipe 10 because the outer positioning cylinder 410 is fixed on the end of the outer pipe 10. The joint sealing ring 430 is closely attached to the opposite surface of the second sealing ring 440, and the two are fixedly connected, and the second sealing ring 440 is disposed inside the first liner tube 20. The outer surface wall body of the second sealing ring 440 is tightly attached to the inner surface wall body of the first lining pipe 20, the diameter of the joint sealing ring 430 is larger than that of the second sealing ring 440, the outer surface wall body of the joint sealing ring 430 is fixedly connected with the inner surface wall body of the first sealing ring 420, the end face of the joint sealing ring 430 is tightly attached to the end face of the first lining pipe 20, the first sealing ring 420 is located at the tightly attached position of the opposite face of the joint sealing ring 430 and the first lining pipe 20, the sealing performance of the joint sealing ring 430 at the joint is improved, the diameter of the opening of the second sealing ring 440 is equal to that of the opening of the joint sealing ring 430, fluid is favorably led into the first lining pipe 20, and the sealing performance of the joint sealing ring 430 when the joint sealing ring 430 is connected with a pipeline is further improved under the condition that the outer surface wall body of the second sealing ring 440 is tightly attached to the inner wall of the first lining pipe 20.

In this embodiment, through penetrating the first lining pipe 20 into the transverse pipeline of the outer pipe body 10, make the screw hole 50 correspond with the vertical pipeline mouth of the outer pipe body 10, penetrate the second lining pipe 30 into the vertical pipeline of the outer pipe body 10, and screw up the second lining pipe 30 on the first lining pipe 20, accomplish the concatenation of first lining pipe 20 and second lining pipe 30, and under the cooperation of both, reach the purpose of protecting the outer pipe body 10, through screwing up outer positioning tube 410, make outer positioning tube 410 fixed mounting in the tip of outer pipe body 10, the outer positioning tube 410 under the fixed state makes the second sealing washer 440 be located the inside of first lining pipe 20, and restrict the first lining pipe 20 and the second lining pipe 30 in the inside of outer pipe body 10 through joint sealing ring 430, accomplish the location to first lining pipe 20 and second lining pipe 30, be favorable to the water conservancy diversion to the fluid, and under the setting of joint sealing ring 430, be favorable to follow-up promotion and sealing performance when the pipeline concatenation, because the first lining pipe 20 and second lining pipe 30 can be set up, this can set up, the plastic liner tube is not required to be changed according to the whole and the circumstances of the whole is damaged, the plastic liner is avoided to the whole is changed, the cost is avoided to the cost is 1.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a three-way pipe is moulded to lining, is moulded three-way pipe (1) including lining, lining moulds three-way pipe (1) including outer body (10), its characterized in that: the utility model discloses a sealing positioning assembly for the inner wall of an outer pipe body (10), which is characterized in that a first inner liner tube (20) for protecting the inner part of the outer pipe body (10) transverse line pipeline is arranged in the inner part of the outer pipe body (10), a second inner liner tube (30) for protecting the inner part of the outer pipe body (10) vertical pipeline is arranged in the inner part of the outer pipe body (10), a threaded hole (50) is formed in the top pipe wall of the first inner liner tube (20), and a sealing positioning assembly (40) for assisting the installation and positioning of the first inner liner tube (20) and the second inner liner tube (30) is arranged at the end part of the outer pipe body (10).

2. A plastic lined tee as claimed in claim 1, wherein the threaded bore (50) is adapted to a second liner tube (30), the outer collar surface of the second liner tube (30) being provided with a first thread, the second liner tube (30) being mounted on the first liner tube (20) by means of the first thread.

3. The plastic lined tee of claim 1, wherein the seal positioning assembly (40) comprises an outer positioning barrel (410), a second thread is provided in the outer positioning barrel (410), a thread groove is provided on the outer ring surface of the end of the outer pipe body (10), and the second thread is adapted to the thread groove.

4. A plastic lined tee as set forth in claim 3, wherein a first sealing ring (420) is installed on the inner surface wall of the outer positioning cylinder (410), and the wall thickness of the first sealing ring (420) is consistent with the wall thickness of the outer pipe body (10).

5. The plastic lined tee of claim 4, wherein a joint sealing ring (430) is mounted on the inner ring surface of the first sealing ring (420), the joint sealing ring (430) corresponds to the end portion of the first lining pipe (20), and the first sealing ring (420) is located at the joint of the joint sealing ring (430) and the end portion of the first lining pipe (20).

6. The plastic lined tee of claim 5, wherein a second seal ring (440) is mounted at an end of the joint seal ring (430), the second seal ring (440) is located inside the first liner tube (20), and an outer surface wall of the second seal ring (440) is tightly attached to the inside of the first liner tube (20).

7. The plastic lined tee of claim 6, wherein three seal positioning assemblies (40) are divided into two groups, one group of seal positioning assemblies (40) is symmetrically arranged at the end part of the transverse pipeline of the outer pipe body (10), and the other group of seal positioning assemblies (40) is arranged at the end part of the vertical pipeline of the outer pipe body (10).