CN213332920U

CN213332920U - Quick butt-joint device of pipeline nitrogen gas replacement

Info

Publication number: CN213332920U
Application number: CN202022382812.0U
Authority: CN
Inventors: 张军英; 田文忠; 张扬; 张友军; 易俊
Original assignee: Xinjiang Yuzhou Gas Manufacturing Co ltd
Current assignee: Xinjiang Yuzhou Gas Manufacturing Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-01
Anticipated expiration: 2030-10-23

Abstract

The utility model belongs to the technical field of pipeline interfacing apparatus technique and specifically relates to a quick interfacing apparatus of pipeline nitrogen gas replacement has been directed against the trouble and the poor problem of gas tightness of the pipe connection device connection among the prior art, now proposes following scheme, and it includes first connecting pipe and second connecting pipe, the one end fixedly connected with adapter sleeve of first connecting pipe, and the one end of first connecting pipe extends to the inside of adapter sleeve, first connecting ring has been cup jointed to the outside of adapter sleeve, the one end of second connecting pipe is fixed with solid fixed ring, gu fixed ring's internal diameter is the same with the internal diameter of first connecting pipe, and gu one side butt of fixed ring is served in one of adapter sleeve inside at first connecting pipe. The utility model discloses rational in infrastructure, easy operation can make things convenient for quick with two connecting pipe butt joints together, the gas tightness is good moreover, easily uses widely.

Description

Quick butt-joint device of pipeline nitrogen gas replacement

Technical Field

The utility model relates to a pipeline interfacing apparatus end field especially relates to a quick interfacing apparatus of pipeline nitrogen gas replacement.

Background

When filling nitrogen, the butt joint of pipelines is often involved. In order to ensure that the gas does not leak after the two pipelines are butted, a special pipeline butting device is needed.

Pipeline interfacing apparatus among the prior art mainly has two kinds, one is threaded connection, and the other one is the joint, and the former is connected firmly, but connects more troublesome, and the latter is connected simply, but the leakproofness is comparatively poor, for this reason, this scheme has proposed a quick interfacing apparatus of pipeline nitrogen gas replacement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quick interfacing apparatus of pipeline nitrogen gas replacement has solved the problem that the pipe connection device among the prior art connects trouble and gas tightness is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pipeline nitrogen replacement quick butt joint device comprises a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe is fixedly connected with a connecting sleeve, one end of the first connecting pipe extends into the connecting sleeve, a first connecting ring is sleeved outside the connecting sleeve, one end of the second connecting pipe is fixedly provided with a fixing ring, the inner diameter of the fixing ring is the same as that of the first connecting pipe, and one side of the fixing ring is abutted against one end, located in the connecting sleeve, of the first connecting pipe;

the holding ring has been cup jointed to the outside of second connecting pipe, the holding ring is located the outside of adapter sleeve, the adapter sleeve is close to holding ring one side and has been seted up two locating holes along the diameter direction of adapter sleeve, and the holding ring is close to one side of adapter sleeve and is fixed with two reference columns, and the one end of two reference columns extends to the inside of two locating holes respectively and is identical with two locating holes, the second go-between has been cup jointed to the outside of holding ring, through two bolt fixed connection between first go-between and the second go-between.

Preferably, the outer part of one end of the first connecting pipe, which is positioned inside the connecting sleeve, is sleeved with a limiting ring, and the positioning ring is positioned on the inner ring of the limiting ring and is matched with the limiting ring.

Preferably, one end of the positioning column, which is located inside the positioning hole, is of a conical structure.

Preferably, two connecting holes are formed in one side of the first connecting ring and one side of the second connecting ring along the diameter direction, the two bolts are clamped inside the two connecting holes in the first connecting ring and the second connecting ring respectively, and the two bolts are locked on the first connecting ring and the second connecting ring through nuts which are connected to the outer portions of the two bolts through threads.

Preferably, a sealing ring is fixed on one side, away from the second connecting pipe, of the fixing ring, and the sealing ring abuts against one end, located inside the connecting sleeve, of the first connecting pipe.

Preferably, the sealing ring is made of silicon rubber.

The utility model has the advantages that:

1. through the cooperation between solid fixed ring, sealing washer, adapter sleeve, holding ring, first connecting ring, second connecting ring, bolt, connecting hole and the nut, convenient quick with first connecting ring and second connecting pipe butt joint together.

2. Through the cooperation between locating hole and the reference column, make things convenient for two connecting holes on first go-between and the second go-between can be quick aim at together to conveniently utilize the bolt to fix first go-between and second go-between together.

3. The setting through the spacing ring can effectively avoid the alignment between sealing washer and the solid fixed ring to appear the deviation, also can effectively avoid the sealing washer because pressure and to open to the outside.

The utility model discloses rational in infrastructure, easy operation can make things convenient for quick with two connecting pipe butt joints together, the gas tightness is good moreover, easily uses widely.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is an enlarged view of a point a of the present invention.

Reference numbers in the figures: the connecting device comprises a first connecting pipe 1, a second connecting pipe 2, a connecting sleeve 3, a first connecting ring 4, a second connecting ring 5, a nut 6, a bolt 7, a positioning ring 8, a fixing ring 9, a sealing ring 10, a limiting ring 11, a positioning column 12, a positioning hole 13 and a connecting hole 14.

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.

Referring to fig. 1-3, a rapid pipeline nitrogen replacement butt joint device comprises a first connecting pipe 1 and a second connecting pipe 2, one end of the first connecting pipe 1 is fixedly connected with a connecting sleeve 3, one end of the first connecting pipe 1 extends to the inside of the connecting sleeve 3, the first connecting ring 4 is sleeved outside the connecting sleeve 3, one end of the second connecting pipe 2 is fixed with a fixing ring 9, the inner diameter of the fixing ring 9 is the same as that of the first connecting pipe 1, one side of the fixing ring 9 abuts against one end, located inside the connecting sleeve 3, of the first connecting pipe 1, the sealing ring 10 abuts against one end, located inside the connecting sleeve 3, of the first connecting pipe 1, the sealing performance of the first connecting pipe 1 and the fixing ring 9 in butt joint can be guaranteed to be higher due to the arrangement of the sealing ring 10, and gas leakage in butt joint can be effectively avoided due to the fact that the inner diameter of the fixing ring 9 is the same as that of the first connecting pipe 1;

the sealing ring 10 is made of silicon rubber, and the silicon rubber has good elasticity and can be attached to the outer part of the first connecting pipe 1 more closely, so that the air tightness during butt joint is enhanced;

the limiting ring 11 is sleeved outside one end of the first connecting pipe 1, which is positioned in the connecting sleeve 3, the inner ring of the positioning ring 8, which is positioned in the limiting ring 11, is matched with the limiting ring 11, and the deviation of alignment between the sealing ring 10 and the fixing ring 9 can be effectively avoided through the arrangement of the limiting ring 11, and the sealing ring 10 can also be effectively prevented from being exploded outwards due to pressure;

a positioning ring 8 is sleeved outside the second connecting pipe 2, the positioning ring 8 is positioned outside the connecting sleeve 3, two positioning holes 13 are formed in one side of the connecting sleeve 3 close to the positioning ring 8 along the diameter direction of the connecting sleeve 3, two positioning columns 12 are fixed on one side of the positioning ring 8 close to the connecting sleeve 3, one ends of the two positioning columns 12 respectively extend to the insides of the two positioning holes 13 to be matched with the two positioning holes 13,

the second connecting ring 5 is sleeved outside the positioning ring 8, the first connecting ring 4 and the second connecting ring 5 are fixedly connected through two bolts 7, two connecting holes 14 are respectively formed in one side of the first connecting ring 4 and one side of the second connecting ring 5 along the diameter direction, the two bolts 7 are respectively clamped inside the two connecting holes 14 formed in the first connecting ring 4 and the second connecting ring 5, the two bolts 7 are respectively locked on the first connecting ring 4 and the second connecting ring 5 through nuts 6 which are connected to the outer portions of the two bolts 7 in a threaded manner, the first connecting ring 4 and the second connecting ring 5 can be fixed together through the matching among the bolts 7, the connecting holes 14 and the nuts 6, one end of the positioning column 12, which is located inside the positioning hole 13, is of a conical structure, and the matching between the positioning column 12 and the positioning hole 13 is convenient for the connecting holes 14 on the first connecting ring 4 and the connecting holes 14 on the second connecting ring 5 to be quickly aligned, the end of the positioning column 12 located inside the positioning hole 13 is a conical structure, so that the positioning column 12 can be conveniently clamped inside the positioning hole 13.

The working principle is as follows: when the first pipeline 1 and the second pipeline 2 are butted, one end of the second connecting pipe 2, which is fixed with the fixing ring 9, extends into the connecting sleeve 3, then the inside of the connecting sleeve 3 between the second connecting pipes 2 is moved, and simultaneously the positions of the two positioning columns 12 are also continuously adjusted, so that the two positioning columns 12 are inserted by aligning to the two positioning holes 13, when the sealing ring 10 on the positioning ring 12 is butted on the first connecting pipe 2, the two bolts 7 are respectively penetrated into the temporal parts of the two connecting holes 14 on the first connecting ring 4 and the second connecting ring 5, finally the two nuts 6 are respectively sleeved outside the two bolts 7, and then the two nuts 6 are screwed down, so that the sealing ring 10 can be tightly pressed on one end of the first connecting pipe 1, which is positioned inside the connecting sleeve 3, and the first connecting pipe 1 and the second connecting pipe 2 are butted together.

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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a quick interfacing apparatus of pipeline nitrogen replacement, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that, the one end fixedly connected with adapter sleeve (3) of first connecting pipe (1), and the one end of first connecting pipe (1) extends to the inside of adapter sleeve (3), first adapter ring (4) has been cup jointed to the outside of adapter sleeve (3), the one end of second connecting pipe (2) is fixed with solid fixed ring (9), the internal diameter of solid fixed ring (9) is the same with the internal diameter of first connecting pipe (1), and one side butt of solid fixed ring (9) is located the one end of adapter sleeve (3) inside at first connecting pipe (1);

holding ring (8) has been cup jointed to the outside of second connecting pipe (2), holding ring (8) are located the outside of adapter sleeve (3), adapter sleeve (3) are close to holding ring (8) one side and have seted up two locating holes (13) along the diameter direction of adapter sleeve (3), and one side that holding ring (8) are close to adapter sleeve (3) is fixed with two reference columns (12), and the one end of two reference columns (12) extends to the inside of two locating holes (13) respectively and is identical with two locating holes (13), second go-between (5) have been cup jointed to the outside of holding ring (8), through two bolt (7) fixed connection between first go-between (4) and second go-between (5).

2. The rapid pipeline nitrogen replacement butt joint device according to claim 1, wherein a limiting ring (11) is sleeved outside one end of the first connecting pipe (1) inside the connecting sleeve (3), and the positioning ring (8) is positioned inside an inner ring of the limiting ring (11) and matched with the limiting ring (11).

3. The rapid pipeline nitrogen displacement butt joint device according to claim 1, wherein one end of the positioning column (12) located inside the positioning hole (13) is of a conical structure.

4. The rapid pipeline nitrogen replacement butt joint device according to claim 1, wherein two connecting holes (14) are formed in one side of each of the first connecting ring (4) and the second connecting ring (5) along the diameter direction, two bolts (7) are respectively clamped inside the two connecting holes (14) in the first connecting ring (4) and the second connecting ring (5), and the two bolts (7) are locked on the first connecting ring (4) and the second connecting ring (5) through nuts (6) which are connected to the outer portions of the two bolts (7) through threads.

5. The rapid pipeline nitrogen replacement butt joint device according to claim 1, wherein a sealing ring (10) is fixed on one side of the fixing ring (9) far away from the second connecting pipe (2), and the sealing ring (10) abuts against one end of the first connecting pipe (1) inside the connecting sleeve (3).

6. The rapid pipeline nitrogen replacement butt joint device according to claim 5, wherein the sealing ring (10) is made of silicon rubber.