CN211693880U - Bellows leak protection connects - Google Patents
Bellows leak protection connects Download PDFInfo
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- CN211693880U CN211693880U CN202020025848.0U CN202020025848U CN211693880U CN 211693880 U CN211693880 U CN 211693880U CN 202020025848 U CN202020025848 U CN 202020025848U CN 211693880 U CN211693880 U CN 211693880U
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- joint
- joint main
- sealing rubber
- rubber ring
- air inlet
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Abstract
The utility model discloses a bellows leak protection joint, including bellows, joint main part, plane sealing pad, sealing rubber ring and nut, joint main part both ends are provided with gas outlet and air inlet respectively, it has bearing step to take shape on the lateral wall of joint main part in order to divide joint main part into upper joining region and lower joining region to connect the body, wherein the air inlet is located the upper joining region, the gas outlet is located the lower joining region; the utility model discloses a set up recess and sealing rubber ring in air inlet department to be connected the back at air inlet and valve and seal up the junction between the two, the cooperation sets up bearing step and plane sealing pad in sealing rubber ring below simultaneously, carries out further sealedly to the junction between air inlet and the valve, thereby strengthens the leakproofness greatly, prevents that the gas leakage phenomenon from appearing in the junction between joint and the valve, guarantees user's safe handling.
Description
Technical Field
The utility model belongs to the technical field of the gas technique and specifically relates to a bellows leak protection connects.
Background
In the gas industry, metal corrugated pipes have been widely popularized by gas resident users in a large area due to the advantages of rat bite prevention, sun protection, aging prevention, corrosion prevention, durability and the like, and are used as connecting pipes between branch valves and gas appliances to replace traditional rubber pipes.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a bellows leak protection that simple structure, leakproofness are strong connects.
In order to achieve the above purpose, the utility model provides a scheme does: a corrugated pipe leakage-proof joint comprises a corrugated pipe, a joint main body, a planar sealing gasket, a sealing rubber ring and a nut, wherein an air outlet and an air inlet are respectively arranged at two ends of the joint main body; the supporting steps are distributed annularly, the planar sealing gasket is sleeved on the outer side wall of the upper connecting area, a groove close to the air inlet is formed in the outer side wall of the upper connecting area, the groove is annularly arranged for the sealing rubber ring to be sleeved, and the sealing rubber ring is of an O-shaped structure; the joint main body is sleeved with the screw cap so that the screw cap is connected with the valve, and one end of the screw cap props against and presses the bearing step to cover the upper connecting area; the outer side wall of the lower connecting area is provided with an external thread, the end part of the corrugated pipe is provided with a connecting part, and the connecting part is provided with an internal thread for being in threaded connection with the external thread.
The utility model has the advantages that: the leakproofness is strong, can prevent to connect the gas leakage condition, the utility model discloses in through setting up recess and sealed rubber ring in air inlet department to be connected the back at air inlet and valve and seal the junction between the two, the cooperation sets up bearing step and plane sealing pad in sealed rubber ring below simultaneously, carries out further sealedly with the junction between air inlet and the valve, thereby strengthens the leakproofness greatly, prevents to connect and the junction between the valve the gas leakage phenomenon from appearing, guarantees user's safe handling.
Further, the inner diameter of the sealing rubber ring is 0.8mm, and the thickness of the sealing rubber ring is 0.25 mm. The utility model adopts the above structure after, can further strengthen the leakproofness of connecting the main part.
Further, the external thread is located at the air outlet. The utility model adopts the above structure after, through setting up the external screw thread in gas outlet department to the gas outlet is connected with the internal thread of corrugated metal pipe connecting portion.
Further, the aperture of the lower connection region is larger than the upper connection region. The utility model adopts the above structure after, the aperture through joining region and last joining region sets up to inequality down to in forming the bearing step.
Furthermore, the upper connecting area is respectively provided with two grooves, the two grooves are arranged at intervals from top to bottom, and the two sealing rubber rings are respectively sleeved on the grooves. The utility model adopts the above structure after, through setting up two recesses in order to set up two rubber sealing ring to further reinforcing sealing performance.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a first structural view of the joint body of the present invention.
Fig. 4 is a second structural view of the joint body of the present invention.
Wherein, 1 is the bellows, 11 is the internal thread, 2 is the joint main part, 21 is the joining region, 211 is the air inlet, 212 is the recess, 22 is lower joining region, 221 is the gas outlet, 222 is the external screw thread, 23 is the bearing step, 24 is the plane sealed pad, 25 is the sealing rubber ring, 26 is the nut, 3 is the valve.
Detailed Description
The invention will be further described with reference to the following specific embodiments:
the first embodiment is as follows:
referring to fig. 1 to 3, a bellows leakage-proof joint includes a bellows 1, a joint main body 2, a planar sealing gasket 24, a sealing rubber ring 25 and a nut 26, wherein an air outlet 221 and an air inlet 211 are respectively disposed at two ends of the joint main body 2, a supporting step 23 is formed on an outer side wall of the joint main body 2 to divide the joint main body 2 into an upper connecting region 21 and a lower connecting region 22, the air inlet 211 is located in the upper connecting region 21, and the air outlet 221 is located in the lower connecting region 22; the supporting steps 23 are distributed annularly, meanwhile, the plane sealing gasket 24 is sleeved on the outer side wall of the upper connecting area 21, meanwhile, a groove 212 close to the air inlet 211 is formed in the outer side wall of the upper connecting area 21, the groove 212 is annularly arranged for the sealing rubber ring 25 to be sleeved, and the sealing rubber ring 25 is of an O-shaped structure; the joint body 2 is sleeved with a nut 26 so that the nut 26 is connected with the valve 3, and one end of the nut 26 abuts against the pressing and supporting step 23 to cover the upper connecting area 21; an external thread 222 is formed on the outer side wall of the lower connection region 22, and a connection portion is provided at the end of the corrugated pipe 1, the connection portion being formed with an internal thread 11 for screw-coupling with the external thread 222.
Wherein, the inner diameter of the sealing rubber ring 25 is 0.8mm, the thickness is 0.25mm, and the external thread 222 is positioned at the air outlet 221. The aperture of the lower connection region 22 is larger than that of the upper connection region 21.
In this embodiment, the upper connection area 21 of the joint main body 2 is inserted into the valve 3, and then the nut 26 is pushed to make the nut 26 completely cover the upper connection area 21 and then be in threaded connection with the valve 3, so as to realize the connection between the joint main body 2 and the valve 3, wherein the joint between the joint main body 2 and the valve 3 is sealed by arranging the sealing rubber ring 25 and the planar sealing gasket 24, so that the leakage at the joint between the joint main body 2 and the valve 3 is prevented, and small transverse or longitudinal deformation can be allowed; meanwhile, the external thread 222 of the joint main body 2 is in threaded connection with the internal thread 11 of the corrugated pipe 1, so that the corrugated pipe 1 is connected with the joint main body 2, and therefore gas is discharged from the valve 3, enters the joint main body 2 from the gas inlet 211 of the joint main body 2, and is discharged from the gas outlet 221 of the joint main body 2 and enters the corrugated pipe 1.
Example two:
referring to fig. 1 to 2 and 4, a bellows leakage-proof joint includes a bellows 1, a joint main body 2, a planar sealing gasket 24, a sealing rubber ring 25 and a nut 26, wherein an air outlet 221 and an air inlet 211 are respectively disposed at two ends of the joint main body 2, a supporting step 23 is formed on an outer side wall of the joint main body 2 to divide the joint main body 2 into an upper connecting region 21 and a lower connecting region 22, the air inlet 211 is located in the upper connecting region 21, and the air outlet 221 is located in the lower connecting region 22; the supporting steps 23 are distributed annularly, meanwhile, the plane sealing gasket 24 is sleeved on the outer side wall of the upper connecting area 21, meanwhile, two grooves 212 close to the air inlet 211 are formed in the outer side wall of the upper connecting area 21, the two grooves 212 are arranged at intervals up and down, the two grooves 212 are annularly arranged for two sealing rubber rings 25 to be sleeved, and the sealing rubber rings 25 are of an O-shaped structure; the joint body 2 is sleeved with a nut 26 so that the nut 26 is connected with the valve 3, and one end of the nut 26 abuts against the pressing and supporting step 23 to cover the upper connecting area 21; an external thread 222 is formed on the outer side wall of the lower connection region 22, and a connection portion is provided at the end of the corrugated pipe 1, the connection portion being formed with an internal thread 11 for screw-coupling with the external thread 222.
Wherein, the inner diameter of the sealing rubber ring 25 is 0.8mm, the thickness is 0.25mm, and the external thread 222 is positioned at the air outlet 221. The aperture of the lower connection region 22 is larger than that of the upper connection region 21.
In this embodiment, the upper connection area 21 of the joint main body 2 is inserted into the valve 3, and then the nut 26 is pushed to make the nut 26 completely cover the upper connection area 21 and then be in threaded connection with the valve 3, so as to realize the connection between the joint main body 2 and the valve 3, wherein the joint between the joint main body 2 and the valve 3 is sealed by arranging the sealing rubber ring 25 and the planar sealing gasket 24, so that the leakage at the joint between the joint main body 2 and the valve 3 is prevented, and small transverse or longitudinal deformation can be allowed; meanwhile, the external thread 222 of the joint main body 2 is in threaded connection with the internal thread 11 of the corrugated pipe 1, so that the corrugated pipe 1 is connected with the joint main body 2, and therefore gas is discharged from the valve 3, enters the joint main body 2 from the gas inlet 211 of the joint main body 2, and is discharged from the gas outlet 221 of the joint main body 2 and enters the corrugated pipe 1.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (5)
1. A bellows leak protection connects which characterized in that: the corrugated pipe joint comprises a corrugated pipe (1), a joint main body (2), a plane sealing gasket (24), a sealing rubber ring (25) and a screw cap (26), wherein an air outlet (221) and an air inlet (211) are respectively formed at two ends of the joint main body (2), a bearing step (23) is formed on the outer side wall of the joint main body (2) to divide the joint main body (2) into an upper connecting area (21) and a lower connecting area (22), the air inlet (211) is located in the upper connecting area (21), and the air outlet (221) is located in the lower connecting area (22); the supporting steps (23) are distributed annularly, the planar sealing gasket (24) is sleeved on the outer side wall of the upper connecting area (21), a groove (212) close to the air inlet (211) is formed in the outer side wall of the upper connecting area (21), the groove (212) is annularly arranged for the sealing rubber ring (25) to be sleeved, and the sealing rubber ring (25) is of an O-shaped structure; the joint main body (2) is sleeved with the screw cap (26) so that the screw cap (26) is connected with the valve (3), and one end of the screw cap (26) abuts against and presses the bearing step (23) to cover the upper connecting area (21); an external thread (222) is formed on the outer side wall of the lower connecting area (22), a connecting part is arranged at the end part of the corrugated pipe (1), and an internal thread (11) is formed on the connecting part and is used for being in threaded connection with the external thread (222).
2. A bellows leak-proof joint as claimed in claim 1, wherein: the inner diameter of the sealing rubber ring is 0.8mm, and the thickness of the sealing rubber ring is 0.25 mm.
3. A bellows leak-proof joint as claimed in claim 1, wherein: the external thread (222) is located at the air outlet (221).
4. A bellows leak-proof joint as claimed in claim 1, wherein: the aperture of the lower connection region (22) is larger than that of the upper connection region (21).
5. A bellows leak-proof joint as claimed in claim 1, wherein: the upper connecting area (21) is respectively provided with two grooves (212), the two grooves (212) are arranged at intervals up and down, and the two sealing rubber rings (25) are respectively sleeved on the grooves (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025848.0U CN211693880U (en) | 2020-01-07 | 2020-01-07 | Bellows leak protection connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020025848.0U CN211693880U (en) | 2020-01-07 | 2020-01-07 | Bellows leak protection connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693880U true CN211693880U (en) | 2020-10-16 |
Family
ID=72799407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020025848.0U Active CN211693880U (en) | 2020-01-07 | 2020-01-07 | Bellows leak protection connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693880U (en) |
-
2020
- 2020-01-07 CN CN202020025848.0U patent/CN211693880U/en active Active
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