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Pipe fitting

A technology for pipe fittings and pipe bodies, which is applied in the field of connectors, can solve the problems of large margin, insufficient sealing, and difficult to disassemble, and achieves the effect of solving blocked pipes, not easy to loosen, and easy to maintain.

Inactive Publication Date: 2019-04-23
CHINA CONSTR FIFTH ENG DIV CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, when using hemp silk and PTFE raw material for sealing connection, too little PTFE raw material wrapped will easily lead to insufficient sealing, and too much PTFE raw material wound will result in too much margin. It is not easy to install, and it may cause blockage of the inner wall of the pipeline, and also affect the appearance; when the liquid raw material belt is directly used, although the problem of sealing is solved, it is not easy to disassemble, and it also pollutes the water quality, and it is not easy to disassemble, resulting in Difficult to maintain

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0029] Figure 1-4 Shown is the pipe fitting of the first embodiment of the present invention, the pipe fitting is strip-shaped, and the pipe fitting includes a pipe body 1, a seal 3 and a nut 2, the outer wall of the pipe body 1 is provided with an external thread 11, and the inner wall of the pipe body 1 is provided with The first internal thread 12, the first internal thread 12 is used to connect the pipeline, the nut 2 is provided with the second internal thread 21, the external thread 11 is threadedly matched with the second internal thread 21, and makes the sealing member 3 compress the outer wall of the pipeline, Thus, the gap between the inner wall of the pipe body 1 and the outer wall of the pipeline is sealed. In the present invention, the first internal thread 12 is provided on the inner wall of the pipe body 1, and the first internal thread 12 is detachably threaded with the pipeline, thereby facilitating the connection of the pipe fitting to the pipeline and the r...

no. 2 example

[0039] Figure 5 The pipe fitting of the second embodiment of the present invention is shown. The pipe fitting is in the shape of a strip. The pipe fitting includes a pipe body 1, a seal 3 and a nut 2. The outer wall of the pipe body 1 is provided with an external thread 11, and the inner wall of the pipe body 1 is provided with The first internal thread 12, the first internal thread 12 is used to connect the pipeline, the nut 2 is provided with the second internal thread 21, the external thread 11 is threadedly matched with the second internal thread 21, and makes the sealing member 3 compress the outer wall of the pipeline, Thus, the gap between the inner wall of the pipe body 1 and the outer wall of the pipeline is sealed. In the present invention, the first internal thread 12 is provided on the inner wall of the pipe body 1, and the first internal thread 12 is detachably threaded with the pipeline, thereby facilitating the connection of the pipe fitting to the pipeline and...

no. 3 example

[0046] Image 6 and Figure 7 The pipe fitting of the third embodiment of the present invention is shown. The third embodiment provides the pipe fitting of the first embodiment, which is different from the first embodiment in that the pipe fitting is in the shape of an elbow. It can be understood that the pipe fitting can also be in other shapes , its shape is not limited, and its shape does not affect the characteristics of the pipe fittings in the present invention, which are easy to install and disassemble, and have reliable sealing.

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Abstract

The invention discloses a pipe fitting. The pipe fitting comprises a pipe body, a sealing part and a screw cap, wherein outer threads are arranged on the outer wall of the pipe body, first internal threads are arranged on the inner wall of the pipe body, the first internal threads are used for connecting a pipeline, the screw cap is provided with second internal threads, the external threads are in threaded fit with the second internal threads so as to make the sealing part press the outer wall of the pipeline, and then seal a gap between the inner wall of the pipe body and the outer wall of the pipeline. According to the pipe fitting, installing and disassembly are convenient, the maintenance is easier, in addition, the problems of water quality pollution caused by using a liquid raw material belt and inconvenient disassembly and maintenance are avoided, meanwhile, usage of a polytetrafluoroethylene raw material is also avoided, so that the phenomenon that the inner wall of the pipeline is blocked by the polytetrafluoroethylene raw material is avoided.

Description

technical field [0001] The invention relates to the technical field of connectors, in particular to pipes. Background technique [0002] Existing rigid pressure-bearing pipes generally need to be connected with screws (that is, threaded connections), and it is necessary to wind the PTFE raw material after hemping the external thread of the pipe fitting, or directly coating the liquid raw material on the thread. Then directly connect the pipe fittings to the pipeline, so as to ensure that the pipe fittings and pipes are connected with sufficient sealing. Then, when hemp silk and PTFE raw material are used for sealing connection, too little PTFE raw material wound will easily lead to insufficient sealing, and too much PTFE raw material wound will result in too much margin. It is not easy to install, and it may cause blockage of the inner wall of the pipeline and affect the appearance; when the liquid raw material belt is directly used, although the problem of sealing is solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/02F16L15/04F16L43/02
CPCF16L15/04F16L19/0206F16L19/0218F16L43/02
Inventor 陈峰梁三宝周宇张帆谭志荣
Owner CHINA CONSTR FIFTH ENG DIV CORP LTD
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