CN111911728A - Welding-free explosion-proof stainless steel flexible pipe - Google Patents
Welding-free explosion-proof stainless steel flexible pipe Download PDFInfo
- Publication number
- CN111911728A CN111911728A CN202010679529.6A CN202010679529A CN111911728A CN 111911728 A CN111911728 A CN 111911728A CN 202010679529 A CN202010679529 A CN 202010679529A CN 111911728 A CN111911728 A CN 111911728A
- Authority
- CN
- China
- Prior art keywords
- corrugated pipe
- sealing
- stainless steel
- joint
- steel flexible
- 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.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 14
- 239000010935 stainless steel Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 230000001681 protective effect Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/26—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses specially adapted for hoses of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to a welding-free explosion-proof stainless steel flexible pipe, which comprises a joint, a corrugated pipe and a sheath, wherein the sheath wraps the outer surface of the corrugated pipe; the corrugated pipe is characterized in that a telescopic convex strip is arranged on the outer surface of one end, away from the corrugated pipe, of the sealing connecting part, a positioning hole for clamping and fixing the convex strip is arranged at the corresponding position of the connecting groove, a circle of rubber sealing ring I is arranged at the position of the connecting groove interface, and a circle of rubber sealing ring II is arranged at the connecting position of the sealing connecting part and the corrugated pipe. The corrugated pipe is clamped and fixed in the positioning hole, the corrugated pipe is fixed on the connector, the side face of the sealing connecting portion is clamped by the rubber sealing ring I for sealing, meanwhile, the corrugated pipe and the connector apply pressure to the rubber sealing ring II to form sealing again, the connector is ensured to be tightly clamped with the corrugated pipe, and welding is avoided.
Description
Technical Field
The invention relates to the technical field of flexible pipes, in particular to a welding-free explosion-proof stainless steel flexible pipe.
Background
The explosion-proof flexible pipe has the advantages of flame resistance, oil resistance, corrosion resistance, water resistance, wear resistance, aging resistance, good flexibility, firm structure, reliable work and the like, and is widely suitable for explosive mixture places. The two ends of the explosion-proof flexible pipe are provided with metal threaded joints, and the pipe body part consists of metal hoses. In the prior art, in the manufacturing and installing processes of the explosion-proof flexible connecting pipe, a joint and a hose are connected by using a welding mode generally, then a welding part is machined and polished, the mode is very complicated, and a gap is easily left during welding to cause leakage.
Disclosure of Invention
The invention aims to solve the technical problem of providing a welding-free explosion-proof stainless steel flexible pipe, which solves the problems mentioned in the background technology.
In order to solve the technical problem, the welding-free explosion-proof stainless steel flexible pipe comprises a joint, a corrugated pipe and a sheath, wherein the sheath wraps the outer surface of the corrugated pipe, a hollow cylindrical sealing connecting part is arranged at one end of the corrugated pipe, a connecting groove matched with the sealing connecting part is arranged on the joint, and the corrugated pipe is connected with the joint through the sealing connecting part; the corrugated pipe is characterized in that a telescopic convex strip is arranged on the outer surface of one end, away from the corrugated pipe, of the sealing connecting part, a positioning hole for clamping and fixing the convex strip is arranged at the corresponding position of the connecting groove, a circle of rubber sealing ring I is arranged at the position of the connecting groove interface, and a circle of rubber sealing ring II is arranged at the connecting position of the sealing connecting part and the corrugated pipe.
The sealing connecting portion is arranged to be inserted into the connecting groove, the raised strips are clamped and fixed in the positioning holes, the corrugated pipe is fixed on the connector, the first rubber sealing ring clamps the side face of the sealing connecting portion to seal, meanwhile, the corrugated pipe is abutted to the connector, pressure is applied to the second rubber sealing ring to form sealing again, and the connector is enabled to be tightly clamped with the corrugated pipe.
As an improvement of the invention, the rubber sealing ring is inclined inwards to realize tight clamping on the side surface of the sealing connecting part.
As an improvement of the invention, the joint is provided with a key capable of controlling the expansion of the convex strips. Through the shrink of the steerable sand grip of button, conveniently extract the bellows, conveniently dismantle the change.
As a modification of the present invention, the inside diameter of the bellows is the same as the inside diameter of the joint.
As an improvement of the invention, a fixing groove is arranged on one side of the sealing connection part close to the corrugated pipe, a fixing hole with the same diameter as the fixing groove is arranged at a corresponding position on the joint, and a fixing piece matched with the fixing groove is arranged in the fixing hole. The sealing connection part and the connection groove are tightly connected through the fixing part, so that the connection between the joint and the corrugated pipe is firmer and firmer.
As an improvement of the invention, the fixing piece is in threaded connection with the fixing hole and the fixing groove.
Compared with the prior art, the corrugated pipe is fixed on the connector by clamping the raised lines in the positioning holes, the first rubber sealing ring clamps the side face of the sealing connecting part for sealing, meanwhile, the corrugated pipe is abutted against the connector to apply pressure to the second rubber sealing ring to form secondary sealing, and the sealing connecting part is tightly connected with the connecting groove through the fixing part, so that the connector and the corrugated pipe form tertiary sealing, the sealing is reliable, no leakage occurs, the connection is firm, the strength is high, and the connector and the corrugated pipe are free from being welded. Meanwhile, the connector and the corrugated pipe are convenient to detach and replace by arranging the keys.
Drawings
FIG. 1 is a schematic cross-sectional view of a weld-free explosion-proof stainless steel coiled tubing of the present invention;
in the figure: 1. a joint; 2. a bellows; 3. a sheath; 4. sealing the connection part; 5. connecting grooves; 6. a convex strip; 7. positioning holes; 8. a first rubber sealing ring; 9. a rubber sealing ring II; 10. pressing a key; 11. fixing grooves; 12. fixing the hole; 13. and a fixing member.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1, the welding-free explosion-proof stainless steel flexible pipe comprises a joint 1, a corrugated pipe 2 and a sheath 3, wherein the sheath 3 wraps the outer surface of the corrugated pipe 2, a hollow cylindrical sealing connection part 4 is arranged at one end of the corrugated pipe 2, a connection groove 5 matched with the sealing connection part 4 is arranged on the joint 1, and the corrugated pipe 2 is connected with the joint 1 through the sealing connection part 4; the outer surface of one end, far away from the corrugated pipe 2, of the sealing connecting portion 4 is provided with a telescopic convex strip 6, a positioning hole 7 for clamping and fixing the convex strip 6 is formed in the corresponding position of the connecting groove 5, a first circle of rubber sealing ring 8 is arranged at the position of the joint of the connecting groove 5, and a second circle of rubber sealing ring 9 is arranged at the position of the connecting portion 4 and the corrugated pipe 2.
The sealing connecting portion is arranged to be inserted into the connecting groove, the raised strips are clamped and fixed in the positioning holes, the corrugated pipe is fixed on the connector, the first rubber sealing ring clamps the side face of the sealing connecting portion to seal, meanwhile, the corrugated pipe is abutted to the connector, pressure is applied to the second rubber sealing ring to form sealing again, and the connector is enabled to be tightly clamped with the corrugated pipe.
The rubber sealing ring I8 inclines towards the inner side so as to form tight clamping on the side face of the sealing connecting part 4.
The joint 1 is provided with a key 10 capable of controlling the protrusion strip 6 to stretch. Through the shrink of the steerable sand grip of button, conveniently extract the bellows, conveniently dismantle the change.
The inside diameter of the bellows 2 is the same as the inside diameter of the fitting 1.
One side of the sealing connection part 4 close to the corrugated pipe 2 is provided with a fixing groove 11, a fixing hole 12 with the same diameter as the fixing groove 11 is arranged at a corresponding position on the joint 1, and a fixing part 13 matched with the fixing groove 11 is arranged in the fixing hole 12. The sealing connection part and the connection groove are tightly connected through the fixing part, so that the connection between the joint and the corrugated pipe is firmer and firmer.
The fixing piece 13 is in threaded connection with the fixing hole 12 and the fixing groove 11.
The working process is as follows: referring to fig. 1, in use, the sealing connection portion is inserted into the connection groove of the connector in alignment, the protruding strip is clamped and fixed in the positioning hole, the corrugated pipe is fixed on the connector, and meanwhile, the rubber sealing ring clamps the side face of the sealing connection portion for sealing. At this time, the bellows is abutted against the joint to apply pressure to the rubber seal ring II, thereby forming secondary sealing. And then the fixing piece is screwed down and screwed into the fixing groove, so that the joint and the corrugated pipe form three times of sealing. When the corrugated pipe or the connector needs to be replaced, the fixing piece is screwed out, then the convex strips are retracted by the control keys, and the sealing connecting part is forcibly pulled out, so that the corrugated pipe or the connector can be replaced.
Finally, it should be noted that: the technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (6)
1. The welding-free explosion-proof stainless steel flexible pipe is characterized in that: the corrugated pipe joint comprises a joint (1), a corrugated pipe (2) and a protective sleeve (3), wherein the protective sleeve (3) wraps the outer surface of the corrugated pipe (2), a hollow cylindrical sealing connecting part (4) is arranged at one end of the corrugated pipe (2), a connecting groove (5) matched with the sealing connecting part (4) is formed in the joint (1), and the corrugated pipe (2) is connected with the joint (1) through the sealing connecting part (4); the corrugated pipe sealing structure is characterized in that a telescopic convex strip (6) is arranged on the outer surface of one end, far away from the corrugated pipe (2), of the sealing connecting part (4), a positioning hole (7) used for clamping and fixing the convex strip (6) is arranged at the corresponding position of the connecting groove (5), a circle of rubber sealing ring I (8) is arranged at the position of the connecting groove (5) interface, and a circle of rubber sealing ring II (9) is arranged at the connecting position of the sealing connecting part (4) and the corrugated pipe (2.
2. The weld-free explosion-proof stainless steel flexible pipe according to claim 1, wherein: the rubber sealing ring I (8) inclines towards the inner side so as to form tight clamping on the side face of the sealing connecting part (4).
3. The weld-free explosion-proof stainless steel flexible pipe according to claim 1, wherein: the joint (1) is provided with a key (10) capable of controlling the protrusion strip (6) to stretch.
4. The weld-free explosion-proof stainless steel flexible pipe according to claim 1, wherein: the inner diameter of the corrugated pipe (2) is the same as that of the joint (1).
5. The weld-free explosion-proof stainless steel flexible pipe according to claim 1, wherein: one side that sealing connection portion (4) are close to bellows (2) is equipped with fixed slot (11), the last corresponding position department of connecting (1) is equipped with fixed hole (12) the same with fixed slot (11) diameter, be equipped with in fixed hole (12) with fixed slot (11) matched with mounting (13).
6. The weld-free explosion-proof stainless steel flexible pipe according to claim 5, wherein: the fixing piece (13) is in threaded connection with the fixing hole (12) and the fixing groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679529.6A CN111911728A (en) | 2020-07-15 | 2020-07-15 | Welding-free explosion-proof stainless steel flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679529.6A CN111911728A (en) | 2020-07-15 | 2020-07-15 | Welding-free explosion-proof stainless steel flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911728A true CN111911728A (en) | 2020-11-10 |
Family
ID=73280473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010679529.6A Pending CN111911728A (en) | 2020-07-15 | 2020-07-15 | Welding-free explosion-proof stainless steel flexible pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043079A (en) * | 2021-11-02 | 2022-02-15 | 江阴标榜汽车部件股份有限公司 | Laser welding process for automobile corrugated pipe and joint |
-
2020
- 2020-07-15 CN CN202010679529.6A patent/CN111911728A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043079A (en) * | 2021-11-02 | 2022-02-15 | 江阴标榜汽车部件股份有限公司 | Laser welding process for automobile corrugated pipe and joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201110 |
|
| WD01 | Invention patent application deemed withdrawn after publication |