CN210890419U - Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying - Google Patents
Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying Download PDFInfo
- Publication number
- CN210890419U CN210890419U CN201922059066.9U CN201922059066U CN210890419U CN 210890419 U CN210890419 U CN 210890419U CN 201922059066 U CN201922059066 U CN 201922059066U CN 210890419 U CN210890419 U CN 210890419U
- Authority
- CN
- China
- Prior art keywords
- thread section
- impact
- resistant
- external thread
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to a bellows technical field, concretely relates to corrosion resistant type gas of shocking resistance is carried and is used stainless steel corrugated hose, which comprises a pipe body, the body includes bellows inner tube and shock-resistant protective layer, shock-resistant protective layer cladding in the outside of bellows inner tube, shock-resistant protective layer is corrugated tubular structure, the bellows inner tube with be equipped with the rubber layer between the shock-resistant protective layer, the cladding of shock-resistant protective layer outside has the PVC layer, the utility model discloses simple structure, shock resistance are strong.
Description
Technical Field
The utility model relates to a bellows technical field, concretely relates to corrosion resistant impact-resistant type gas is carried and is used stainless steel corrugated hose.
Background
With the continuous acceleration of the urbanization process in China, the specific gravity of gas used by gas pipelines in urban residents is also continuously increased. The explosion accident of the gas pipeline caused by the pipeline problem is that the gas pipeline poses great threat to the lives and properties of residents, and the gas safety becomes one of the problems generally concerned by people.
At present, a 304 stainless steel gas corrugated pipe is generally selected as a household gas pipeline, and has the advantages of ageing resistance (the rubber hose can be subjected to ageing phenomena such as brittleness, hardening and fracture under natural conditions, and stainless steel cannot be subjected to ageing), high temperature resistance (the rubber hose cannot resist high temperature, the rubber hose can be softened and ignited by flame roasting, and a stainless steel pipe body of the stainless steel corrugated pipe can resist high temperature), falling prevention (the stainless steel corrugated pipe is generally connected by adopting threaded threads and buckles, and can be prevented from falling accidentally), long service life (the service life of the rubber hose is 2 years, and the service life of the stainless steel corrugated pipe is 50 years, which is more than 25 times of that of the conventional hose), and convenience in installation (the stainless steel corrugated pipe is high in flexibility, can be bent freely, and is simple and quick to install due to dense corrugation and deep corrugation).
At present gas commonly used is carried and is used stainless steel corrugated hose structure mostly sets up the coating layer outside the stainless steel corrugated hose, and the coating layer material commonly used is PVC and PE, and when corrugated hose received the impact, the impact force permeated the coating layer and used on the stainless steel inner tube, has the risk of inner tube deformation, crackle.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a corrosion-resistant shock-resistant type gas is carried and is used stainless steel corrugated hose for the earth's surface gas is carried, its simple structure, shock resistance are strong.
The utility model discloses a corrosion resistant impact-resistant type gas is carried and is used stainless steel corrugated hose, which comprises a pipe body, the body includes bellows inner tube and impact-resistant protective layer, impact-resistant protective layer cladding in the outside of bellows inner tube, impact-resistant protective layer is corrugated tubular structure, the bellows inner tube with be equipped with the rubber layer between the impact-resistant protective layer, the cladding of the impact-resistant protective layer outside has the PVC layer.
The corrugated pipe comprises a pipe body and a corrugated pipe inner pipe, wherein the corrugated pipe inner pipe is fixedly arranged on the two ends of the pipe body; the inner wall of the front end of the connector is provided with a second step, the front end of the corrugated pipe inner pipe is fixedly provided with a limiting clamp spring, and the second step is matched with the limiting clamp spring to prevent the connector from falling off from the corrugated pipe inner pipe; a first external thread section and a second external thread section are arranged on the outer side of the rear end of the joint, the first external thread section and the second external thread section are of petal-shaped structures distributed along the circumference of the axis of the joint, the outer diameter of the second external thread section is increased along the screwing direction, the thread directions of the first external thread section and the second external thread section are opposite, the first external thread section and the second external thread section are respectively provided with a fastening nut and a locking nut which are matched with the thread directions of the first external thread section and the second external thread section, and the width of the locking nut is greater than the longitudinal width of the second external thread section; the inner side of the front end of the joint is provided with an internal thread section, and a threaded pipe matched with the internal thread section is arranged in the internal thread section.
Further, the impact-resistant protective layer comprises a convex part and a concave part, the thickness range of the convex part is 0.2-0.4mm, and the thickness range of the concave part is 0.1-0.2 mm.
Furthermore, the material of the impact-resistant protective layer is 304 stainless steel.
Further, a sealing ring is arranged on the outer side of the limiting clamp spring.
Further, a gasket is arranged between the sealing ring and the threaded pipe.
The utility model has the advantages that: the utility model discloses a corrosion resistant is shock-resistant type gas is carried and is used stainless steel corrugated pipe, through set up the rubber layer in bellows inner tube outside as the buffer layer, the rubber layer outside is equipped with the shock resistance layer, reduces the impact force of finally using on the bellows inner tube to this improves the impact resistance of bellows body, and the cladding helps improving corrugated pipe's corrosion resisting ability in outmost PVC material.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at B;
FIG. 3 is an enlarged view of FIG. 1 at A;
fig. 4 is a schematic view of the joint structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the corrosion-resistant impact-resistant stainless corrugated hose for gas delivery in the present embodiment includes a hose body 1, where the hose body 1 includes a corrugated hose inner tube 101 and an impact-resistant protective layer 103, the impact-resistant protective layer 103 is covered on the outer side of the corrugated hose inner tube 101, the impact-resistant protective layer 103 is a corrugated tubular structure, a rubber layer 102 is disposed between the corrugated hose inner tube 101 and the impact-resistant protective layer 103, and a PVC layer 104 is covered on the outer side of the impact-resistant protective layer 103; the PVC material is corrosion-resistant, fire-retardant, ageing-resistant, can play fine guard action to the internal portion, and anti-impact protection layer 103 establishes to corrugated tubular structure in this embodiment, and the bellows structure has fine shock resistance, and the rubber layer 102 that is located anti-impact protection layer 103 inboard can play the effect of buffering, and the dispersed impact force further reduces the atress of bellows inner tube 101.
In this embodiment, the bellows inner tube 101 further includes a connector 2 fixedly disposed at two ends of the tube body, the port of the bellows inner tube 1 extends for a certain distance to form a first step, and the first step is sleeved with a sealing sleeve 201; a second step is arranged on the inner wall of the front end of the connector 2, a limiting clamp spring 202 is fixedly arranged at the front end of the corrugated pipe inner pipe 101, and the second step is matched with the limiting clamp spring 202 to prevent the connector 2 from falling off from the corrugated pipe inner pipe 101; a first external thread section 203 and a second external thread section 204 are arranged on the outer side of the rear end of the joint 2, the first external thread section 203 and the second external thread section 204 are of petal-shaped structures distributed along the circumference of the axis of the joint 2, the outer diameter of the second external thread section 204 is increased along the screwing direction, the thread directions of the first external thread section 203 and the second external thread section 204 are opposite, the first external thread section 203 and the second external thread section 204 are respectively provided with a fastening nut 205 and a locking nut 206 which are matched with the thread directions of the first external thread section and the second external thread section 204, and the width of the locking nut 206 is greater than the longitudinal width of the second external thread section 204; since the outer diameter of the second external thread section 204 increases along the screwing direction, during the screwing process of the lock nut 206, the first external thread section 203 and the second external thread section 204 are gradually tightened, the joint 2 is fixed at the end of the pipe body 1, the sealing sleeve 201 is compressed to achieve the sealing purpose, the fastening nut 205 abuts against the lock nut 206, and the loosening directions of the fastening nut 205 and the lock nut 206 are opposite, so that the lock nut 206 cannot loosen.
An internal thread section is arranged on the inner side of the front end of the joint 2, a threaded pipe 207 matched with the internal thread section in a threaded mode is arranged in the internal thread section, and the threaded pipe 207 is matched with the limiting clamp spring 202 in the screwing-in process to further fix the joint 2.
In this embodiment, the impact-resistant protection layer 103 includes a convex portion and a concave portion, the thickness of the convex portion ranges from 0.2mm to 0.4mm, the thickness of the concave portion ranges from 0.1 mm to 0.2mm, the convex portion has an impact-resistant effect to the outside, and the concave portion has a small thickness and good flexibility, so that the hose maintains a certain flexibility.
In this embodiment, the impact-resistant protection layer 103 is made of 304 stainless steel, contains 18% or more of chromium and 8% or more of nickel, and has good corrosion resistance and elasticity.
In this embodiment, the outer side of the limit clamp spring 202 is provided with a seal ring 208, so that the sealing performance of the joint 2 is further improved.
In this embodiment, a gasket 209 is disposed between the sealing ring 208 and the threaded pipe 207, and the gasket 209 is directly abutted in the screwing process of the threaded pipe 207, so that the sealing ring 208 is uniformly stressed and the pressing effect is better.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a corrosion resistant is able to bear or endure impact type gas and is carried and use stainless steel corrugated hose which characterized in that: the anti-impact corrugated pipe comprises a pipe body, wherein the pipe body comprises a corrugated pipe inner pipe and an anti-impact protective layer, the anti-impact protective layer is coated on the outer side of the corrugated pipe inner pipe, the anti-impact protective layer is of a corrugated tubular structure, a rubber layer is arranged between the corrugated pipe inner pipe and the anti-impact protective layer, and a PVC layer is coated on the outer side of the anti-impact protective layer.
2. The stainless steel corrugated hose for corrosion-resistant and impact-resistant gas delivery according to claim 1, wherein: the corrugated pipe inner pipe extends out of the port of the pipe body for a certain distance to form a first step, and a sealing sleeve is sleeved on the first step; the inner wall of the front end of the connector is provided with a second step, the front end of the corrugated pipe inner pipe is fixedly provided with a limiting clamp spring, and the second step is matched with the limiting clamp spring to prevent the connector from falling off from the corrugated pipe inner pipe; a first external thread section and a second external thread section are arranged on the outer side of the rear end of the joint, the first external thread section and the second external thread section are of petal-shaped structures distributed along the circumference of the axis of the joint, the outer diameter of the second external thread section is increased along the screwing direction, the thread directions of the first external thread section and the second external thread section are opposite, the first external thread section and the second external thread section are respectively provided with a fastening nut and a locking nut which are matched with the thread directions of the first external thread section and the second external thread section, and the width of the locking nut is greater than the longitudinal width of the second external thread section; the inner side of the front end of the joint is provided with an internal thread section, and a threaded pipe matched with the internal thread section is arranged in the internal thread section.
3. The stainless steel corrugated hose for corrosion-resistant and impact-resistant gas delivery according to claim 1, wherein: the anti-impact protective layer comprises a convex part and a concave part, the thickness range of the convex part is 0.2-0.4mm, and the thickness range of the concave part is 0.1-0.2 mm.
4. The stainless steel corrugated hose for corrosion-resistant impact-resistant gas delivery according to claim 1 or 3, characterized in that: the material of the impact-resistant protective layer is 304 stainless steel.
5. The stainless steel corrugated hose for corrosion-resistant and impact-resistant gas delivery according to claim 2, wherein: and a sealing ring is arranged on the outer side of the limiting clamp spring.
6. The stainless steel corrugated hose for corrosion-resistant and impact-resistant gas delivery according to claim 5, wherein: and a gasket is arranged between the sealing ring and the threaded pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059066.9U CN210890419U (en) | 2019-11-26 | 2019-11-26 | Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059066.9U CN210890419U (en) | 2019-11-26 | 2019-11-26 | Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890419U true CN210890419U (en) | 2020-06-30 |
Family
ID=71322922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922059066.9U Active CN210890419U (en) | 2019-11-26 | 2019-11-26 | Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890419U (en) |
-
2019
- 2019-11-26 CN CN201922059066.9U patent/CN210890419U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210890419U (en) | Corrosion-resistant and impact-resistant stainless steel corrugated hose for gas conveying | |
| CN206409772U (en) | Function nut and ferrule-type compression joint | |
| CN211667347U (en) | Threaded connection type gas hose | |
| CN210566782U (en) | Stainless steel plastic-coated gas pipe | |
| CN106764145A (en) | Function nut and ferrule-type compression joint | |
| CN211039968U (en) | Durable metal armored hose | |
| CN201412618Y (en) | Ring sleeve type stainless steel tube connecting piece | |
| CN221221773U (en) | High-flexibility metal corrugated pipe assembly | |
| CN201382218Y (en) | Conduit for gas | |
| CN208311790U (en) | A kind of safty shield of chemical pipeline | |
| CN211474731U (en) | Rust-proof spring | |
| CN211901988U (en) | Anti-collision anti-drop metal hose joint | |
| CN221196420U (en) | Oil-resistant rubber pipe with wear-resistant structure | |
| CN210800280U (en) | High-strength anti-collapse PVC pipe | |
| CN218721918U (en) | Gasket for air conditioner connecting pipe and air conditioner | |
| CN216201289U (en) | Wear-resisting type PE feed pipe of making an uproar that falls | |
| CN205479868U (en) | Standard EMUs brake hose and pipe connector assembly | |
| CN211423592U (en) | Corrosion-resistant seamless stainless steel pipe | |
| CN218378102U (en) | High-wear-resistance polyethylene flame-retardant pipeline with edge sealing structure | |
| CN219755606U (en) | Flexible composite high-pressure conveying pipe | |
| CN211039971U (en) | Direct insertion type gas hose | |
| CN210533470U (en) | Gas table pipeline attach fitting | |
| CN220668635U (en) | Compression-resistant explosion-proof drain pipe | |
| CN218972092U (en) | Compression-resistant wear-resistant composite pipe | |
| CN213332856U (en) | Anticorrosive heat preservation composite corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |