CN220488576U - Stainless steel corrugated pipe connecting structure - Google Patents
Stainless steel corrugated pipe connecting structure Download PDFInfo
- Publication number
- CN220488576U CN220488576U CN202322171669.4U CN202322171669U CN220488576U CN 220488576 U CN220488576 U CN 220488576U CN 202322171669 U CN202322171669 U CN 202322171669U CN 220488576 U CN220488576 U CN 220488576U
- Authority
- CN
- China
- Prior art keywords
- pipe
- metal elastic
- elastic gasket
- joint
- stainless steel
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Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 20
- 239000010935 stainless steel Substances 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model relates to the technical field of corrugated pipe connection, in particular to a stainless steel corrugated pipe connection structure, which comprises two corrugated pipes, wherein each corrugated pipe is provided with a plurality of wave crest parts and a plurality of wave trough parts, one end of each corrugated pipe is provided with a turned edge, the outer side of the wave crest part close to the turned edge is sleeved with a metal elastic gasket which is in a semicircular arc shape, the cross section of each metal elastic gasket is U-shaped, the two metal elastic gaskets are sleeved on the wave crest parts together, each corrugated pipe is sleeved with a joint pipe, each joint pipe comprises a threaded joint part and an abutting joint part, each metal elastic gasket is positioned in each threaded joint part, two sides of each metal elastic gasket are respectively abutted against the abutting joint part and the turned edge, the inner side of each threaded joint part is provided with an internal thread, a connecting pipe is further arranged between each joint pipe on each two ends of each connecting pipe, and a sealing ring is arranged between each connecting pipe and each turned edge; the utility model has the advantages of convenient disassembly and installation, good sealing performance, gas leakage prevention and prolonged service life.
Description
Technical Field
The utility model relates to the technical field of corrugated pipe connection, in particular to a stainless steel corrugated pipe connection structure.
Background
At present, three main connecting pipes for gas appliances exist in China: stainless steel bellows; rubber tubes or composite rubber tubes; because the stainless steel corrugated pipe has the advantages of high pipe body strength, high flow, corrosion resistance, long service life, difficult aging, rat bite prevention and the like, the stainless steel corrugated pipe is greatly popularized and used in the domestic gas industry in recent years, and the stainless steel corrugated pipe is gradually popularized and used by the gas appliance which is explicitly and fixedly installed in the domestic standard and specification.
In the installation of stainless steel corrugated pipes, when two stainless steel corrugated pipes need to be connected, sealing connection is mainly carried out through welding or hot melt rubber, and because welding parts are easy to corrode, the whole service life of the corrugated pipes is directly influenced.
Disclosure of Invention
The utility model aims to provide a stainless steel corrugated pipe connecting structure which is convenient to detach and install, good in sealing performance, capable of preventing fuel gas from leaking and prolonging the service life.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a stainless steel corrugated pipe connection structure, includes two bellows, the bellows has a plurality of crest portions and a plurality of trough portion that are the wave and distribute in turn, the one end of bellows is equipped with the turn-ups, is close to turn-ups crest portion outside cover is equipped with metal elastic gasket, metal elastic gasket is semicircle arc, metal elastic gasket's cross section is "U" shape, two metal elastic gasket overlaps jointly and establishes on the crest portion, metal elastic gasket's external diameter is greater than turn-ups external diameter, metal elastic gasket's internal diameter is less than turn-ups external diameter, the cover is equipped with the joint pipe on the bellows, the joint pipe includes spiro union portion and butt portion, metal elastic gasket is located in the spiro union portion, the both sides of metal elastic gasket butt respectively on butt portion and turn-ups, the internal thread has been seted up to the inboard of spiro union portion, two still be equipped with the connecting pipe between the joint pipe on the bellows, the external screw thread has all been seted up at the both ends of connecting pipe, the both ends respectively with the screwed joint portion of connecting pipe and screwed joint portion are equipped with the turn-ups between the sealing washer.
Further, the sealing ring is a rubber sealing ring or a red copper sealing ring.
Further, the outside cover of connecting pipe is equipped with the fixed cover of rubber, the both ends of the fixed cover of rubber all are equipped with the clamp ring of inwards extending, both sides the clamp ring butt respectively in two the one side that the connecting pipe was kept away from to the butt portion.
Further, a strip through hole communicated with clamping rings at two sides is formed in the side wall of the rubber fixing sleeve.
Further, a groove is formed in one side, close to the abutting portion, of the clamping ring.
Further, anaerobic sealant is arranged at the screwed joint of the connecting pipe and the screwed joint part.
Further, the corrugated pipe is sleeved with a PVC protective soft sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
the corrugated pipes are prevented from falling off from the joint pipes by arranging the metal elastic gaskets, the two corrugated pipes are connected with the two joint pipes in a threaded manner by the connecting pipes, and gas leakage is prevented by arranging the sealing rings; the utility model has the advantages of convenient disassembly and installation, good sealing performance, gas leakage prevention and prolonged service life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a part of the present utility model;
FIG. 3 is a schematic diagram of a portion of a second embodiment of the present utility model;
fig. 4 is a partial cross-sectional view of the present utility model.
1. A bellows; 101. a peak portion; 102. trough parts; 2. flanging; 3. a metal elastic pad; 4. a joint pipe; 401. a screw connection part; 402. an abutting portion; 5. a connecting pipe; 6. a seal ring; 7. a rubber fixing sleeve; 701. a clamping ring; 702. a long through hole; 703. a groove.
Detailed Description
As shown in fig. 1 to 4, a stainless steel corrugated pipe connecting structure comprises two corrugated pipes 1, the corrugated pipes 1 are provided with a plurality of wave crest portions 101 and a plurality of wave trough portions 102 which are alternately distributed in a wave shape, one end of each corrugated pipe 1 is provided with a flanging 2, a metal elastic gasket 3 is sleeved outside the wave crest portion 101 of each flanging 2, each metal elastic gasket 3 is in a semicircular arc shape, the cross section of each metal elastic gasket 3 is in a U shape, the two metal elastic gaskets 3 are jointly sleeved on the wave crest portions 101, the outer diameter of each metal elastic gasket 3 is larger than the outer diameter of each flanging 2, the inner diameter of each metal elastic gasket 3 is smaller than the outer diameter of each flanging 2, a joint pipe 4 is sleeved on each corrugated pipe 1, each joint pipe 4 comprises a threaded joint portion 401 and a butt joint portion 402, two sides of each metal elastic gasket 3 are respectively abutted to each butt against each butt joint portion 402 and each flanging 2, inner threads are formed in each threaded joint portion 401, the outer threads of each joint pipe 1 is provided with two joint pipes 5, and each joint pipe 5 is further provided with two threaded joint pipes 5, and each joint pipe 5 is provided with two joint pipes 5.
The sealing ring 6 is a rubber sealing ring or a red copper sealing ring.
The outside cover of connecting pipe 5 is equipped with rubber fixed cover 7, the both ends of rubber fixed cover 7 all are equipped with the clamp ring 701 of inwards extending, both sides clamp ring 701 butt respectively in two the one side that connecting pipe 5 was kept away from to butt portion 402.
The side wall of the rubber fixing sleeve 7 is provided with a strip through hole 702 communicated with the clamping rings 701 at two sides.
A groove 703 is formed in the side of the clamping ring 701, which is close to the abutting portion 402.
Anaerobic sealant is arranged at the screwed joint of the connecting pipe 5 and the screwed joint part 401.
The corrugated pipe 1 is sleeved with a PVC protective soft sleeve.
Working principle:
the flange 2 and the corrugated pipe 1 are integrally formed, one end of the corrugated pipe 1 is preset with the flange 2, two or more wave crest portions 101 can be knocked flat by a wave knockout device to form one flange 2, when the corrugated pipe is installed, the joint pipe 4 is sleeved on the corrugated pipe 1, then the two metal elastic gaskets 3 are sleeved on the wave crest portions 101 close to the flange 2, the joint pipe 4 is pushed to enable the abutting portion 402 to abut against the metal elastic gaskets 3, the flange 2 is positioned in the threaded portion 401, the sealing ring 6 is placed in the threaded portion 401, two ends of the connecting pipe 5 are respectively in threaded connection with the two threaded portions 401, and two ends of the connecting pipe 5 extend into the threaded portion 401 to abut against the sealing ring 6, so that the two corrugated pipes 1 are connected together; the anaerobic sealant is coated at the screwed position to further seal the gas leakage prevention; the rubber fixing sleeve 7 is sleeved on the connecting pipe 5 through a strip through hole 702 preset in the rubber fixing sleeve 7, clamping rings 701 at two ends of the rubber fixing sleeve 7 are abutted to the outer side of the abutting part 402, and the two joint pipes 4 and the connecting pipe 5 are tightly connected through the rubber fixing sleeve 7, so that gas leakage caused by looseness between the joint pipes 4 and the connecting pipe 5 during vibration or impact is avoided; by providing the groove 703 on the clamping ring 701, the clamping ring 701 is easily pulled out from the groove 703, thereby facilitating the removal of the rubber fixing sleeve 7.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A stainless steel corrugated pipe connection structure is characterized in that: including two bellows (1), bellows (1) have be wave a plurality of crest portion (101) and a plurality of trough portion (102) that distribute in turn, the one end of bellows (1) is equipped with turn-ups (2), is close to crest portion (101) outside cover of turn-ups (2) is equipped with metal elastic gasket (3), metal elastic gasket (3) are semicircle arc, the cross section of metal elastic gasket (3) is "U" shape, two metal elastic gasket (3) overlap jointly and establish on crest portion (101), the external diameter of metal elastic gasket (3) is greater than the external diameter of turn-ups (2), the internal diameter of metal elastic gasket (3) is less than the external diameter of turn-ups (2), the cover is equipped with joint pipe (4) on bellows (1), joint pipe (4) include spiro union portion (401) and butt portion (402), metal elastic gasket (3) are located in spiro union portion (401), both sides of metal elastic gasket (3) are respectively in the butt portion (2) are equipped with in joint pipe (4) respectively on the inside (2) and are seted up screw thread portion (5) respectively, joint pipe (5) are still seted up on both ends (5), the two ends of the connecting pipe (5) are respectively in threaded connection with the threaded connection parts (401) of the two joint pipes (4), and a sealing ring (6) is arranged between the connecting pipe (5) and the flanging (2).
2. The stainless steel bellows connecting structure according to claim 1, wherein: the sealing ring (6) is a rubber sealing ring or a red copper sealing ring.
3. The stainless steel bellows connecting structure according to claim 1, wherein: the outside cover of connecting pipe (5) is equipped with rubber fixed cover (7), the both ends of rubber fixed cover (7) all are equipped with clamp ring (701) of inwards extending, both sides clamp ring (701) butt respectively in two one side that connecting pipe (5) was kept away from to butt portion (402).
4. A stainless steel bellows joint structure according to claim 3, wherein: a strip through hole (702) communicated with clamping rings (701) on two sides is formed in the side wall of the rubber fixing sleeve (7).
5. The stainless steel bellows joint structure according to claim 4, wherein: a groove (703) is formed in one side, close to the abutting part (402), of the clamping ring (701).
6. The stainless steel bellows connecting structure according to claim 1, wherein: anaerobic sealant is arranged at the screw joint of the connecting pipe (5) and the screw joint part (401).
7. The stainless steel bellows connecting structure according to claim 1, wherein: the corrugated pipe (1) is sleeved with a PVC protective soft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322171669.4U CN220488576U (en) | 2023-08-14 | 2023-08-14 | Stainless steel corrugated pipe connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322171669.4U CN220488576U (en) | 2023-08-14 | 2023-08-14 | Stainless steel corrugated pipe connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488576U true CN220488576U (en) | 2024-02-13 |
Family
ID=89830578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322171669.4U Active CN220488576U (en) | 2023-08-14 | 2023-08-14 | Stainless steel corrugated pipe connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488576U (en) |
-
2023
- 2023-08-14 CN CN202322171669.4U patent/CN220488576U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |