CN220623142U

CN220623142U - Integral snap ring quick mounting pipe fitting of knocking-free gas pipe

Info

Publication number: CN220623142U
Application number: CN202322106167.3U
Authority: CN
Inventors: 黄双武; 孙佳奇; 江益峰
Original assignee: Ningbo Hongwu Pipe Industry Co ltd
Current assignee: Ningbo Hongwu Pipe Industry Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-03-19
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of gas pipe installation, and discloses a quick installation pipe fitting for an integral clamping ring of a knock-free gas pipe.

Description

Integral snap ring quick mounting pipe fitting of knocking-free gas pipe

Technical Field

The utility model relates to the technical field of gas pipe installation, in particular to a quick installation pipe fitting for an integral clamping ring of a knock-free gas pipe.

Background

The fuel gas pipe is a special pipeline for conveying combustible gas, and is a metal fuel gas pipe hose used for replacing a traditional clamping mode rubber hose, so that the defects that the rubber hose is easy to fall off, age, insect bite and short in service life can be overcome;

in the prior art, a coating layer is firstly stripped from one end of a gas conveying pipe, then a flange surface is manufactured on the end surface, and the gas conveying pipe is installed through nuts, clamping rings, sealing rings and the like, so that the gas conveying pipe is more in working procedures and lower in efficiency.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an integral type snap ring quick mounting pipe fitting of a knock-free gas pipe, which is used for quickly mounting the pipe fitting.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a exempt from to strike integral snap ring quick installation pipe fitting of ripples gas pipe, includes butt joint, bellows and nut, the butt joint includes external end, set up external screw thread on the external end, and with nut threaded connection, be formed with the recess on the external end, the recess is embedded to be equipped with first sealing member, the one end of bellows with first sealing member offsets, the cover is equipped with integral snap ring on the bellows, works as the nut with when the external end is screwed, integral snap ring offset in first sealing member with between the nut.

As a further improvement of the utility model, the integral snap ring inner ring is formed with a protrusion which fits with a recess on the bellows.

As a further improvement of the utility model, the butt joint further comprises an internal connection end corresponding to the external connection end, wherein the internal connection end is internally provided with internal threads and communicated with the groove.

As a further development of the utility model, the inner end is provided with a second seal embedded therein.

As a further improvement of the utility model, a connecting hole is formed between the groove and the internal thread, a first step and a second step are formed at two ends of the connecting hole, the first sealing element is propped against the first step, and the second sealing element is propped against the second step.

As a further improvement of the utility model, the materials of the first sealing element and the second sealing element are rubber.

As a further improvement of the utility model, a PVC plastic coating is arranged outside the corrugated pipe, and one end of the PVC plastic coating, which is close to the nut, extends into the nut.

As a further development of the utility model, the end of the nut facing away from the butt joint is formed with a third step.

The utility model has the beneficial effects that: according to the utility model, through the arrangement of the integral type clamping ring, the first sealing piece and the like, in the installation process, only the coating layer of one end of the corrugated pipe, which needs to be connected, is stripped off, the integral type clamping ring is firstly installed in the nut, then the integral type clamping ring is connected with the butt joint of the second sealing piece without screwing, the corrugated pipe is inserted from the tail end of the nut, the corrugated pipe is inserted until the corrugated pipe abuts against the first sealing piece, and finally the nut is screwed between the nut and the external connection end, so that the installation can be completed.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

fig. 2 is an exploded view of the present utility model.

Reference numerals: 1. a butt joint; 11. an external connection end; 111. a groove; 12. an inner joint end; 121. an internal thread; 13. a connection hole; 14. a first step; 15. a second step; 2. a bellows; 3. a nut; 31. a third step; 4. a first seal; 5. an integral clasp; 51. a protrusion; 6. a second seal; 7. PVC plastic coating.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, the integral snap ring quick mounting pipe fitting for a knock-free gas pipe of the embodiment comprises a butt joint 1, a corrugated pipe 2 and a nut 3, wherein the butt joint 1 comprises an external end 11, the external end 11 is provided with external threads and is in threaded connection with the nut 3, a groove 111 is formed in the external end 11, a first sealing element 4 is embedded in the groove 111, and the sealing performance between the butt joint 1 and the corrugated pipe 2 is improved by the first sealing element 4;

one end of the corrugated pipe 2 is propped against the first sealing piece 4, the corrugated pipe 2 is sleeved with an integral clamping ring 5, and the integral clamping ring 5 has a limiting effect on the corrugated pipe 2, so that the integral clamping ring 5 can drive the corrugated pipe 2 to move when moving;

when the nut 3 is screwed with the external end 11, the integral clamping ring 5 is abutted against the first sealing element 4 and the nut 3, an arc groove is formed at one end of the first sealing element 4 facing the integral clamping ring 5, one end of the corrugated pipe 2 is abutted against the arc groove, and the corrugated pipe 2 is clamped between the arc groove and the integral clamping ring 5 in the screwing process of the nut 3;

in the installation process, as long as the coating layer of one end of the corrugated pipe 2 is required to be connected is stripped firstly, the integral clamping ring 5 is installed inside the nut 3 firstly, then the integral clamping ring is connected with the butt joint 1 with the second sealing piece 6 placed, the integral clamping ring is not screwed, the corrugated pipe 2 is inserted from the tail end of the nut 3, the corrugated pipe 2 is always inserted to be abutted against the first sealing piece 4, and finally the nut 3 and the external connection end 11 are screwed, so that the installation can be completed, and the whole installation mode is convenient and rapid, and the efficiency is high.

Referring to fig. 1, the inner ring of the integral snap ring 5 is formed with a protrusion 51, the protrusion 51 is adapted to a recess on the bellows 2, and the protrusion 51 is embedded into the recess on the bellows 2, thereby limiting the integral snap ring 5 and preventing the integral snap ring 5 from moving on the bellows 2, so that the bellows 2 can be clamped.

Referring to fig. 1, the butt joint 1 further includes an inner joint end 12 corresponding to the outer joint end 11, and an inner thread 121 is provided in the inner joint end 12, wherein the inner thread 121 is a G1/2 inner thread 121, and is relatively convenient to connect by a threaded manner, and is communicated with the groove 111, and a second sealing member 6 is embedded in the inner joint end 12, and the second sealing member 6 is used for increasing the tightness between the inner joint end 12 and the connected member.

Referring to fig. 1, a connection hole 13 is formed between a groove 111 and an internal thread 121, and a first step 14 and a second step 15 are formed at both ends of the connection hole 13, wherein the inner diameter of the connection hole 13 is smaller than the inner diameter of the internal thread 121 and smaller than the inner diameter of the groove 111, so that a first step 14 and a second step 15 are formed, the first seal 4 is abutted against the first step 14, and the second seal 6 is abutted against the second step 15.

The materials of the first sealing member 4 and the second sealing member 6 are rubber, wherein the second sealing member 6 can be a rubber ring.

Referring to fig. 1 and 2, the outer part of the corrugated pipe 2 is provided with the PVC plastic 7, one end, close to the nut 3, of the PVC plastic 7 extends into the nut 3, the PVC plastic 7 has the functions of corrosion resistance, dust prevention and pollution prevention, has certain insulating property, can prevent direct contact of current, and has a good protection function on the corrugated pipe 2.

The end of the nut 3 facing away from the butt joint 1 is provided with a third step 31, and the third step 31 is used for limiting the PVC plastic 7 to prevent the PVC plastic 7 from excessively extending into the nut 3.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a exempt from to strike quick installation pipe fitting of integral snap ring of ripples gas pipe which characterized in that: the novel corrugated pipe comprises a butt joint (1), a corrugated pipe (2) and a nut (3), wherein the butt joint (1) comprises an external end (11), an external thread is arranged on the external end (11) and is in threaded connection with the nut (3), a groove (111) is formed in the external end (11), a first sealing piece (4) is embedded in the groove (111), one end of the corrugated pipe (2) abuts against the first sealing piece (4), an integral clamping ring (5) is sleeved on the corrugated pipe (2), and when the nut (3) and the external end (11) are screwed, the integral clamping ring (5) abuts against the space between the first sealing piece (4) and the nut (3);

one end of the first sealing element (4) facing the integral clamping ring (5) is provided with an arc groove, and one end of the corrugated pipe (2) is propped against the arc groove;

the inner ring of the integral clamping ring (5) is provided with a protrusion (51), and the protrusion (51) is matched with a concave part on the corrugated pipe (2).

2. The quick mounting pipe fitting for an integral snap ring of a knock-free gas pipe according to claim 1, wherein: the butt joint (1) further comprises an inner connecting end (12) corresponding to the outer connecting end (11), and an inner thread (121) is arranged in the inner connecting end (12) and is communicated with the groove (111).

3. The quick mounting pipe fitting for an integral snap ring of a knock-free gas pipe according to claim 2, wherein: the inner connecting end (12) is embedded with a second sealing piece (6).

4. The knock-free gas pipe integral snap ring quick-mounting pipe fitting according to claim 3, wherein: a connecting hole (13) is formed between the groove (111) and the internal thread (121), a first step (14) and a second step (15) are formed at two ends of the connecting hole (13), the first sealing element (4) is propped against the first step (14), and the second sealing element (6) is propped against the second step (15).

5. The knock-free gas pipe integral snap ring quick-mounting pipe fitting according to claim 3, wherein: the materials of the first sealing piece (4) and the second sealing piece (6) are rubber.

6. The quick mounting pipe fitting for an integral snap ring of a knock-free gas pipe according to claim 1, wherein: the corrugated pipe (2) is externally provided with PVC plastic (7), and one end of the PVC plastic (7) close to the nut (3) extends into the nut (3).

7. The quick mounting pipe fitting for an integral snap ring of a knock-free gas pipe according to claim 5, wherein: a third step (31) is formed at one end of the nut (3) facing away from the butt joint (1).