CN202501151U

CN202501151U - Fuel gas pipeline connection system

Info

Publication number: CN202501151U
Application number: CN2011205755616U
Authority: CN
Inventors: 刘智强
Original assignee: Zhejiang Normal University CJNU
Current assignee: Zhejiang Normal University CJNU
Priority date: 2011-12-24
Filing date: 2011-12-24
Publication date: 2012-10-24
Anticipated expiration: 2021-12-24

Abstract

The utility model discloses a gas pipeline connection system, which comprises a two-way pipe body and a three-way pipe body. The key point of its structure is that the inner wall and outer wall of the upper port of the two-way pipe body and the three-way pipe body are respectively provided with internal threads and external threads, and the inner wall edges of the upper ports of the two-way pipe body and the three-way pipe body have an outwardly inclined horn shape. The groove is embedded with a sealing ring. The outer wall of the lower port of the two-way pipe body is connected with the inner wall of the upper port of the three-way pipe body through threads, and a locking nut is respectively set on the outer walls of the right port of the two-way pipe body and the three-way pipe body. The rear part of the inner wall of the locking nut is respectively provided with a washer chamber, and a washer is installed in the washer chamber. The lock nut set on the outer wall of the lower port of the two-way pipe body is threadedly connected with the outer wall of the upper port of the three-way pipe body, and the lock nut set on the two-way pipe body is threadedly connected with the outer wall of the upper port of the three-way pipe body. The left port of the lower end of the three-way pipe body is screwed into a threaded plug. The utility model can effectively avoid the phenomenon that gas pipeline joints are easy to leak.

Description

The fuel gas pipeline connected system

Technical field:

The utility model relates to a kind of fuel gas pipeline connected system, particularly relates to a kind of by the molecular fuel gas pipeline connected system of elbow, threeway and pipe clamp.

Background technique:

Combustion gas such as rock gas, coal gas belongs to clear energy sources, and easy to use, and the widely-used pipeline gas in the vast cities and towns of China is done civilian and industrial fuel.The elbow of the pipeline connecting parts that fuel gas pipeline installing engineering is at present used and threeway are to adopt the single-stage seal arrangement, and sealing effect is bad, and leakage gas causes potential safety hazard easily, can not guarantee the quality of coal gas installing engineering.In addition, the area of contact on link such as existing gaspipe line elbow and threeway and ground is little, when certain external pressure, will move by occurrence positions, makes elbow be prone to produce distortion and gas leakage.

Summary of the invention:

The utility model provides a kind of double sealing structure that has for solving the problem that above-mentioned existing technology exists, and is difficult for producing the fuel gas pipeline connected system that move the position.

The fuel gas pipeline connected system comprises bipass body, threeway body and pipe clamp.Its structure outline is to be respectively equipped with internal thread and outside thread on the inner and outer wall of bipass body and threeway body upper end-hole, and the inner wall edge of bipass body and threeway body upper end-hole has outward-dipping flare groove, and groove is embedded with seal ring.The outer wall of bipass body lower end mouth is connected with the inwall of threeway body upper end-hole through screw thread, is with the one first interlocking nut and the second interlocking nut on the outer wall of bipass body and threeway body right output port respectively.The rear portion of the first interlocking nut and the second interlocking nut inner wall is respectively equipped with the packing ring chamber; The indoor packing ring that is equiped with of packing ring; The first interlocking nut that is nested with on bipass body lower end mouth outer wall is connected with the outer wall thread of threeway body upper end-hole; Bipass body lower end mouth is screwed in the upper end-hole of threeway body, and the first interlocking nut that is nested with on the bipass body is connected with the outer wall thread of threeway body upper end-hole.The pipe clamp front port has outward-dipping groove; Be respectively equipped with internal thread and outside thread on the inner and outer wall of the front end cylindrical portions may of pipe clamp; The inwall of pipe clamp is connected with the outer wall thread of threeway body right output port, and the interlocking nut that is nested with on the outer wall of threeway body right-hand member is connected with the outer wall thread of pipe clamp.Left side, threeway body lower end port is screwed into a plug.

The major advantage of the utility model is to be equiped with seal ring respectively at the groove place of bipass body and threeway body upper pipes mouth and pipe clamp front port; The sealing circle respectively with sealing nut in packing ring be fixed; The seal ring of suit seals through interlocking nut and the fastening of pipeline connecting tube on the elbow body, thereby reaches the twin-stage sealing of gaspipe line parts.In addition; Can be through the impurity in the plug place cleaning pipeline, the pipe clamp parts are Three way type, can be connected with other pipeline; So; The utlity model has swift to operate, convenient, simple, good airproof performance, avoided the gaspipe line joint to be prone to the phenomenon of leaking gas effectively, guaranteed the quality of gaspipe line installing engineering.

Description of drawings:

Fig. 1 is the example structure sectional view of the utility model.

Embodiment:

The fuel gas pipeline connected system comprises bipass body 1, threeway body 2 and pipe clamp 3.Its structure outline is to be respectively equipped with internal thread 4 and outside thread 5 on the inner and outer wall of bipass body 1 and threeway body 3 upper end-hole; The inner wall edge of bipass body 1 and threeway body 2 upper end-hole has outward-dipping flare groove 8, and groove 8 is embedded with seal ring 9.Be with the one first interlocking nut 11 and the second interlocking nut 12 respectively on the outer wall of bipass body 1 and threeway body 2 right output port.The rear portion of the first interlocking nut 11 and the second interlocking nut, 12 inwalls is respectively equipped with packing ring chamber 15, is equiped with packing ring 16 in the packing ring chamber 15, and the outer wall of bipass body 1 upper end-hole can be connected with pipeline connecting tube 13 through the first interlocking nut 11.And the first interlocking nut 11 and the second interlocking nut 12 have same structure; Be respectively equipped with outside thread 7 and 6 on the outer end of the lower end mouth of bipass body 1 and threeway body right output port; Bipass body 1 lower end mouth is screwed in the upper end-hole of threeway body 2; The first interlocking nut 11 that is nested with on bipass body 1 lower end mouth outer wall is connected with the outer wall thread of threeway body 2 upper end-hole; The front port of pipe clamp 3 has outward-dipping groove 14; Be respectively equipped with internal thread 17 and outside thread 18 on the inner and outer wall of the front end cylindrical portions may of pipe clamp 3, the inwall of pipe clamp 3 is connected with the outer wall thread of threeway body 2 right output port, and the second interlocking nut 12 that is nested with on the outer wall of threeway body 2 right-hand members is connected with the outer wall thread of pipe clamp 3.Threeway body 2 left side ports are screwed into a plug 20.

Claims

1. Gas pipeline connection system, including two-way pipe body (1), three-way pipe body (2) and pipe clamp (3), characterized in that two-way pipe body (1) and three-way pipe body (2) Internal threads (4) and external threads (5) are respectively provided on the inner wall and outer wall of the port, and the inner wall edges of the ports on the two-way pipe body (1) and the three-way pipe body (2) have outwardly inclined horn-shaped grooves (8), the bevel (8) is embedded with sealing ring (9), the outer wall of the lower port of the two-way pipe body (1) is connected with the inner wall of the upper port of the three-way pipe body (2) by threads, and the two-way pipe body ( 1) and the outer wall of the right port of the three-way pipe body (2) are respectively covered with a first lock nut (11) and a second lock nut (12), the first lock nut (11) and the second lock nut (12) The rear part of the inner wall is respectively provided with a gasket chamber (15), and a gasket (16) is installed in the gasket chamber (15), and the first lock nut ( 11) and the second locking nut (12) are threaded on the outer wall of the upper port of the three-way body (2), and the lower port of the two-way body (1) is screwed into the upper port of the three-way body (2). The first lock nut (11) sleeved on the through pipe body (1) is threadedly connected with the outer wall of the upper port of the tee pipe body (2), and the front port of the pipe clamp (3) has an outwardly inclined bevel (8) , the inner wall and the outer wall of the front end cylinder part of the pipe clamp (3) are respectively provided with internal thread (17) and external thread (18), the inner wall of the pipe clamp (3) and the outer wall of the right port of the tee body (2) Threaded connection, the second locking nut (12) sleeved on the outer wall of the right end of the three-way pipe body (2) is threadedly connected with the outer wall of the pipe clip (3), and a thread is screwed into the left port of the lower end of the three-way pipe body (2). Block (20). the