CN204962091U

CN204962091U - Air conduit crimple sealed tube connects

Info

Publication number: CN204962091U
Application number: CN201520694569.2U
Authority: CN
Inventors: 徐卫兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-09-10
Filing date: 2015-09-10
Publication date: 2016-01-13
Anticipated expiration: 2025-09-10

Abstract

The utility model discloses an air conduit crimple sealed tube connects, including trachea, junction block and locking bed, the trachea passes the centre bore on the locking bed and can dismantle with the screw fastening realization of junction block through the locking bed and be connected, the trachea tip supports on connecting inside boss, be equipped with the sealing washer between trachea terminal surface and the boss, the sealing washer is hollow structure, and the cross -section parameter of sealing washer is as follows: the diameter of excircle is greater than tracheal wall thickness degree, and diameter of the inner circle was with comparing of outside diameter: 0.5-0.8: 1. The utility model discloses an air conduit crimple sealed tube connects, hollow sealing washer between its trachea tip and the boss has been guaranteed the trachea outer wall and has been avoided wearing and tearing, simultaneously, can also guarantee its gas tightness.

Description

A kind of air conduit tightens sealed pipe joint

Technical field

The utility model is that a kind of air conduit tightens sealed pipe joint.

Background technique

Along with the development of national economy, every infrastructure obtains unprecedented development, the living standard of the various places people obtains and further develops, and directly results in the energy demand that people are growing like this, comprising: the various life basic power source such as rock gas, transmit these energy, need from origin tubing, transmitted by pipeline, send to destination, in this case, can the height of pipe laying efficiency determine the key point that solve energy demand problem as early as possible.

Existing for carrying the pipeline jointing construction of Gas Energy Source, as shown in Figure 1, comprise tracheae 1, adaptor tube 2 and locking bed 3, tracheae 1 passes the center hole on locking bed 3 and realizes removably connecting by the screw threads for fastening of locking bed 3 with adaptor tube 2, stretch at locking bed 3 between the bulge loop on the end face of adaptor tube 2 and adaptor tube 2 inner ring and be provided with slotted collar 6, described bulge loop inner ring is provided with the annular slope A7 extended out, described slotted collar 6 and bulge loop outer ring simultaneously of fit is provided with the annular slope B8 matched with annular slope A7, the inner ring of described slotted collar 6 is provided with at least two ring shape locking latches, described locking latch indentation, locking bed 3 and adaptor tube 2 be spirally connected screw time, locking bed 3 extrudes slotted collar 6, the annular slope B8 of annular slope A7 to slotted collar 6 of bulge loop inner ring has a relative active force, impel slotted collar 6 compress and be thoroughly placed in annular slope A7, the inner wall tightening of slotted collar 6 lives tracheae 1.

The pipeline of said structure connects, there is following defect: 1) slotted collar is being thoroughly placed in the process in annular slope A, its locking latch is close to tracheae outer wall, while locking tracheae, also there is an axial force to tracheae, be against due to tracheae end on the raised head face in adaptor tube, cause tracheae pastly again to move axially, like this, lock latch and wearing and tearing are caused to tracheae outer wall; 2) after tracheae causes wearing and tearing and repeatedly uses, the seal action of its outer surface and seal ring is had a greatly reduced quality.

Summary of the invention

It is low that the utility model will solve connection efficiency between existing tracheae and joint, and slotted collar is is easily worn and torn tracheae outer wall, makes the technical problem that the sealing between tracheae and joint is deteriorated.

The technical scheme in the invention for solving the above technical problem is:

The utility model discloses a kind of air conduit and tightens sealed pipe joint, comprise tracheae, adaptor tube and locking bed, tracheae passes the center hole on locking bed and realizes removably connecting by the screw threads for fastening of locking bed and adaptor tube, described tracheae end is against on the boss of joint inside, stretch at locking bed between the bulge loop on the end face of adaptor tube and adaptor tube inner ring and be provided with slotted collar, described bulge loop inner ring is provided with the annular slope A extended out, described slotted collar and bulge loop fit one side outer ring be provided with the annular slope B matched with annular slope A; Locking bed and adaptor tube be spirally connected screw time, locking bed extruding slotted collar, the annular slope B of annular slope A to slotted collar of bulge loop inner ring has a relative active force, and impel slotted collar compress and be thoroughly placed in annular slope A, the inner wall tightening of slotted collar lives tracheae; Be provided with seal ring between described tracheae end face and boss, described seal ring is hollow-core construction, and the cross section parameter of seal ring is as follows: outer diameter of a circle is greater than the pipe thickness of tracheae, and the ratio of interior circular diameter and outside diameter is: 0.5 ~ 0.8: 1.

Described seal ring hollow-core construction inside is plugged with cotton.

The technique effect that the utility model can reach is:

Compared with prior art, air conduit of the present utility model tightens sealed pipe joint, by screwing locking bed, give slotted collar an extruding force, again by the cooperation of annular slope, make slotted collar slowly clamp tracheae and drive tracheae together toward moving axially, moving axially herein is interpreted as: open-top pipe drives tracheae to extrude to boss direction; Owing to being provided with hollow sealing ring between tracheae and boss, it has better compression effectiveness, like this, has displacement space between tracheae end and boss, avoids because boss limits the problem that tracheae moves the locking latch damage tracheae outer wall caused.

Accompanying drawing explanation

Fig. 1 is the structural representation of background technique;

Fig. 2 is the structural representation that the utility model air conduit tightens sealed pipe joint;

Fig. 3 is the sectional view that the utility model air conduit tightens the seal ring of sealed pipe joint.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

Refer to Fig. 2, Fig. 3, the utility model provides a kind of air conduit to tighten sealed pipe joint, comprise tracheae 101, adaptor tube 102 and locking bed 103, tracheae 101 passes the center hole on locking bed 103 and realizes removably connecting by the screw threads for fastening of locking bed 103 with adaptor tube 102, described tracheae 101 end is against on the boss 104 of joint 102 inside, stretch at locking bed 103 between the bulge loop on the end face of adaptor tube 102 and adaptor tube 102 inner ring and be provided with slotted collar 105, described bulge loop inner ring is provided with the annular slope A107 extended out, described slotted collar 105 and bulge loop outer ring simultaneously of fit is provided with the annular slope B108 matched with annular slope A107, the inner ring of described slotted collar 105 is provided with at least two ring shape locking latches, described locking latch indentation, locking bed 103 and adaptor tube 102 be spirally connected screw time, locking bed 103 extrudes slotted collar 105, the annular slope B108 of annular slope A107 to slotted collar 105 of bulge loop inner ring has a relative active force, impel slotted collar 105 compress and be thoroughly placed in annular slope A107, the inner wall tightening of slotted collar 105 lives tracheae 101, seal ring 106 is provided with between described tracheae 101 end face and boss 104, described seal ring 106 is hollow-core construction, and the cross section parameter of seal ring 106 is as follows: the diameter of cylindrical 109 is greater than the pipe thickness of tracheae 101, the ratio of inner circle 110 diameter and cylindrical 109 diameter is: 0.5 ~ 0.8: 1.

Described seal ring 106 hollow-core construction inside is plugged with cotton 111.

When using splicing, screw-thread fit between locking bed 103 and adaptor tube 102 is in relaxation state, then, tracheae 101 is inserted from locking bed 103 central hole, the seal ring 106 to boss 104 is supported in tracheae 101 end, then locking bed 103 is screwed, there is an extruding force end that locking bed 103 is in adaptor tube 102 to slotted collar 105 exterior edge face, slotted collar 105 is impelled to move vertically and in radial contraction, simultaneously, the locking latch of slotted collar 105 blocks tracheae 101, drive tracheae 101 and make tracheae 101 end crush seal circle 106, because seal ring 106 is hollow-core construction, it has the stronger performance that is squeezed, tracheae 101 can further move to boss 104, along with constantly screwing of locking bed 103, the internal diameter of slotted collar 105 is constantly reduced, tracheae end is close to airtight with boss, now lock latch and block tracheae 101, and tracheae 101 can not be extracted easily, namely be standard assembling condition.

Air conduit of the present utility model tightens sealed pipe joint, and its hollow seal ring 106 has very strong suffering oppression property, and hollow interior is plugged with cotton 111, avoids due to the deformation caused that is squeezed for a long time.

A kind of air conduit provided the utility model embodiment above tightens sealed pipe joint and is described in detail, apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment is just for helping to understand the technological scheme that the utility model discloses; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1. an air conduit tightens sealed pipe joint, comprise tracheae, adaptor tube and locking bed, tracheae passes the center hole on locking bed and realizes removably connecting by the screw threads for fastening of locking bed and adaptor tube, described tracheae end is against on the boss of joint inside, stretch at locking bed between the bulge loop on the end face of adaptor tube and adaptor tube inner ring and be provided with slotted collar, described bulge loop inner ring is provided with the annular slope A extended out, described slotted collar and bulge loop fit one side outer ring be provided with the annular slope B matched with annular slope A; Locking bed and adaptor tube be spirally connected screw time, locking bed extruding slotted collar, the annular slope B of annular slope A to slotted collar of bulge loop inner ring has a relative active force, slotted collar is impelled to compress and be thoroughly placed in annular slope A, the inner wall tightening of slotted collar lives tracheae, it is characterized in that: between described tracheae end face and boss, be provided with seal ring, described seal ring is hollow-core construction, and the cross section parameter of seal ring is as follows: outer diameter of a circle is greater than the pipe thickness of tracheae, the ratio of interior circular diameter and outside diameter is: 0.5 ~ 0.8: 1.

2. a kind of air conduit according to claim 1 tightens sealed pipe joint, it is characterized in that: described seal ring hollow-core construction inside is plugged with cotton.