CN213745415U - Stainless steel corrugated pipe for gas - Google Patents
Stainless steel corrugated pipe for gas Download PDFInfo
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- CN213745415U CN213745415U CN202022641761.9U CN202022641761U CN213745415U CN 213745415 U CN213745415 U CN 213745415U CN 202022641761 U CN202022641761 U CN 202022641761U CN 213745415 U CN213745415 U CN 213745415U
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- corrugated
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Abstract
A stainless steel corrugated pipe for gas comprises a pipe body, a sealing gasket, a sealing ring and a locking nut, wherein the pipe body consists of an air duct and an outer screwed joint, the air duct is coated with a plastic film, the outer screwed joint adopts an integrated copper pipe, the front section of the outer screwed joint is provided with an external thread, and the front end of the external thread is provided with a jacking ring; the sealing gasket is composed of a gasket with a middle cylindrical structure, a left pressing ring and a right pressing ring which are symmetrically positioned on two sides and are in a circular truncated cone structure, and the gasket, the left pressing ring and the right pressing ring are integrated; the left compression ring is matched with the jacking ring, the jacking ring is sleeved in the left compression ring, and the right compression ring is jacked on the sealing ring; a stainless steel corrugated pipe for gas, which has compact structure, high safety and good sealing performance.
Description
Technical Field
The utility model belongs to the technical field of the technique of pipe connection equipment and specifically relates to indicate a stainless steel corrugated pipe for stainless steel gas.
Background
The stainless steel corrugated pipe is installed in a liquid conveying system as a flexible pressure-resistant pipe fitting, is used for compensating mutual displacement of a pipeline or machine and equipment connecting ends, absorbing vibration energy, playing roles in vibration reduction, noise reduction and the like, has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like, and is connected in a flange connection mode, a welding mode, a screw thread connection mode and the like. The stainless steel corrugated pipe for the gas is a special pipeline for conveying combustible gas, the special pipeline usually pays more attention to sealing performance, safety, durability and the like, and the traditional gas pipeline is easy to cause the problems of unsatisfactory sealing effect, potential safety hazard and the like in use due to the adopted materials and connection modes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a compact structure, high, the good stainless steel bellows for gas of leakproofness.
The utility model provides a technical scheme that above-mentioned problem adopted is: a stainless steel corrugated pipe for gas comprises a pipe body, a sealing gasket, a sealing ring and a locking nut, wherein the pipe body consists of an air duct and an outer screwed joint, the air duct is coated with a plastic film, the outer screwed joint adopts an integrated copper pipe, the front section of the outer screwed joint is provided with an external thread, and the front end of the external thread is provided with a jacking ring;
the sealing gasket is composed of a gasket with a middle cylindrical structure, a left pressing ring and a right pressing ring which are symmetrically positioned on two sides and are in a circular truncated cone structure, and the gasket, the left pressing ring and the right pressing ring are integrated;
the left pressing ring is matched with the jacking ring, the jacking ring is sleeved in the left pressing ring, and the right pressing ring is jacked on the sealing ring;
the sealing ring is of a hollow circular truncated cone structure, the end with the small section of the sealing ring is sleeved into a connecting port of a gas valve, the end with the large section of the sealing ring is matched with the sealing ring, and the connecting port of the gas valve is sleeved into the top of the right pressing ring;
the locking nut rear segment is provided with the internal thread with outer screwed joint anterior segment complex, locking nut anterior segment inner wall is equipped with spacing section, spacing section is the toper inclined plane structure, the little one end in sealing ring cross-section cooperates with spacing section.
Preferably, the vent pipe is made of stainless steel.
Preferably, a connecting port of the gas valve is provided with a first corrugated ring and a second corrugated ring, one end of the sealing ring with a small section is sleeved at the connecting part of the two corrugated rings, and the first corrugated ring is sleeved in the top of the right pressing ring.
Preferably, the diameter of the first bellows ring is smaller than the diameter of the second bellows ring.
The utility model discloses sealed one end top of filling up is on the sealing ring, and the sealing ring top is in lock nut's spacing section, and lock nut is together sealed with sealed the pad, the connector of gas valve is emboliaed together to the sealing ring, and wherein the little one end card in sealing ring cross-section is in the junction of two ripple rings, will screw through the outer tooth joint of helicitic texture complex and lock nut, at the in-process of screwing, realize lock nut and the connection that outer tooth connects on the one hand, the sealed atress of on the other hand, make sealed left clamp ring and the right clamp ring atress of filling up compressed tightly for the utility model discloses and the connector of gas valve is fully sealed, consider to be connected for a long time with the connector of gas valve and can appear not hard up the condition, the utility. The utility model discloses vent pipe outsourcing plastic film, outer tooth joint adopt the integral type copper pipe, can effectively prevent wearing and tearing, long service life.
Compared with the prior art, the utility model, have following advantage and effect: 1. simple to use adopts quick detach fast-assembling structure, connects the convenience. 2. Compact structure, the leakproofness is good, and the security is high. 3. Can effectively prevent abrasion and has long service life.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is the utility model discloses a lock nut's spacing section structure schematic diagram.
In the figure: the gas valve sealing device comprises a pipe body 1, a vent pipeline 11, a plastic film 111, an external thread joint 12, an external thread 121, a jacking ring 122, a sealing gasket 2, a gasket 21, a left pressing ring 22, a right pressing ring 23, a sealing ring 3, a connecting port 4 of a gas valve, a first corrugated ring 41, a second corrugated ring 42, a connecting part 43, a locking nut 5, a locking nut rear section 51, an internal thread 52, a locking nut front section 53, a limiting section 54 and a conical inclined plane structure 55.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-2, the stainless steel corrugated pipe for gas in the present embodiment includes a pipe body 1, a sealing gasket 2, a sealing ring 3, and a lock nut 5, where the pipe body 1 is composed of a stainless steel ventilation pipe 11 and an external thread joint 12, the ventilation pipe 11 is externally covered with a plastic film 111, the external thread joint 12 is an integrated copper pipe, a front section of the external thread joint 12 is of an external thread 121 structure, and a tightening ring 122 is arranged at a front end of the external thread 121; the sealing gasket 2 consists of a gasket 21 with a middle cylindrical structure, a left pressing ring 22 and a right pressing ring 23 which are symmetrically positioned on two sides and are in a circular truncated cone structure, and the gasket 21, the left pressing ring 22 and the right pressing ring 23 are integrated; the left pressing ring 22 is matched with the jacking ring 122, the jacking ring 122 is sleeved in the left pressing ring 22, and the right pressing ring 23 is jacked on the sealing ring 3; the sealing ring 3 is of a hollow round table structure, one end of the sealing ring 3 with a small section is sleeved in a connecting port 4 of the gas valve, one end of the sealing ring 3 with a large section is matched with the sealing ring 3, and the connecting port 4 of the gas valve is sleeved in the top of the right pressing ring 23; the locking nut rear section 51 is provided with an internal thread 52 matched with the outer tooth joint 12 front section, the inner wall of the locking nut front section 53 is provided with a limiting section 54, the limiting section 54 is a conical inclined plane structure 55, and one end of the sealing ring 3 with a small section is matched with the limiting section 54.
The connecting port 4 of the gas valve of the embodiment is provided with a first corrugated ring 41 and a second corrugated ring 42, one end with a small section of the sealing ring 3 is sleeved at the connecting part 43 of the two corrugated rings, and the first corrugated ring 41 is sleeved in the top of the right pressing ring 23.
The utility model discloses 2 one end tops on sealing ring 3 in the sealed pad, 3 tops on sealing ring are in lock nut 5 spacing section 54, lock nut 5 together with sealed pad 2, sealing ring 3 embolias the connector 4 of gas valve together, wherein the little one end card in sealing ring 3 cross-section is in the junction 43 of two ripple rings, will screw through screw thread structure complex outer adapter 12 and lock nut 5, at the in-process of screwing, realize lock nut 5 and outer adapter 12's being connected on the one hand, the sealed 2 atress of another hand, make sealed left clamp ring 22 and the right clamp ring 23 atress of 2 compressed tightly, make the utility model discloses with the connector 4 of gas valve is fully sealed, consider the not hard up condition can appear in the long-time connection of connector 4 with the gas valve, the utility model discloses it further seals to have added sealing ring 3, guarantees safety. The utility model discloses 11 outsourcing plastic film 111 of air duct, outer tooth joint 12 adopt the integral type copper pipe, can effectively prevent wearing and tearing, long service life.
In addition, it should be noted that equivalent changes or simple changes made according to the structure, features and principles of the present invention are all included in the protection scope of the present invention.
Claims (4)
1. The stainless steel corrugated pipe for the gas is characterized by comprising a pipe body, a sealing gasket, a sealing ring and a locking nut, wherein the pipe body consists of an air duct and an outer screwed joint, the air duct is coated with a plastic film, the outer screwed joint adopts an integrated copper pipe, the front section of the outer screwed joint is provided with an external thread, and the front end of the external thread is provided with a jacking ring;
the sealing gasket is composed of a gasket with a middle cylindrical structure, a left pressing ring and a right pressing ring which are symmetrically positioned on two sides and are in a circular truncated cone structure, and the gasket, the left pressing ring and the right pressing ring are integrated;
the left pressing ring is matched with the jacking ring, the jacking ring is sleeved in the left pressing ring, and the right pressing ring is jacked on the sealing ring;
the sealing ring is of a hollow circular truncated cone structure, the end with the small section of the sealing ring is sleeved into a connecting port of a gas valve, the end with the large section of the sealing ring is matched with the sealing ring, and the connecting port of the gas valve is sleeved into the top of the right pressing ring;
the locking nut rear segment is provided with the internal thread with outer screwed joint anterior segment complex, locking nut anterior segment inner wall is equipped with spacing section, spacing section is the toper inclined plane structure, the little one end in sealing ring cross-section cooperates with spacing section.
2. The stainless steel bellows for gas use according to claim 1, wherein the vent pipe is made of stainless steel.
3. The stainless steel corrugated pipe for gas as claimed in claim 1, wherein a connection port of the gas valve is provided with a first corrugated ring and a second corrugated ring, one end of the sealing ring with a small section is sleeved at the connection position of the two corrugated rings, and the first corrugated ring is sleeved in the top of the right pressing ring.
4. The gas stainless steel bellows according to claim 3, wherein the first corrugated ring has a diameter smaller than that of the second corrugated ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641761.9U CN213745415U (en) | 2020-11-16 | 2020-11-16 | Stainless steel corrugated pipe for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641761.9U CN213745415U (en) | 2020-11-16 | 2020-11-16 | Stainless steel corrugated pipe for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745415U true CN213745415U (en) | 2021-07-20 |
Family
ID=76824577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022641761.9U Active CN213745415U (en) | 2020-11-16 | 2020-11-16 | Stainless steel corrugated pipe for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745415U (en) |
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2020
- 2020-11-16 CN CN202022641761.9U patent/CN213745415U/en active Active
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