CN210034716U - Corrugated pipe ball head - Google Patents
Corrugated pipe ball head Download PDFInfo
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- CN210034716U CN210034716U CN201920499146.3U CN201920499146U CN210034716U CN 210034716 U CN210034716 U CN 210034716U CN 201920499146 U CN201920499146 U CN 201920499146U CN 210034716 U CN210034716 U CN 210034716U
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- corrugated pipe
- wall
- connecting pipe
- bellows
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Abstract
The utility model discloses a corrugated pipe ball head, which comprises a corrugated pipe (1), a long connecting pipe (2), a connecting pipe (3), an inner ball corner (4), an outer support (5) and an outer ball corner (6); bellows (1) one end is fixed with takeover (3), and the other end is fixed with long takeover (2), interior globe angle (4) are connected with long takeover (2), outer support (5) are connected with takeover (3), the radial sphere in inner of interior globe angle (4) opens, the inner wall of the one end of outer globe angle (6) and the inner outer wall laminating of interior globe angle (4) are fixed, the other end of outer globe angle (6) is fixed with the one end of outer support (5). The corrugated pipe ball head has the advantages of high temperature resistance, high pressure resistance, fatigue resistance, angular compensation and better reliability.
Description
Technical Field
The utility model relates to an aviation pipeline technical field specifically says a bellows bulb.
Background
At present, corrugated pipe connectors with various structures are available, and the purpose of the corrugated pipe connector is to utilize certain safety performance of the corrugated pipe. There is a bellows type elastic pipe joint, which is composed of a coupling member, a bellows, and a bush. The two connecting pieces are respectively positioned at the two ends of the corrugated pipe. The bush is arranged in the corrugated pipe, and two ends of the bush are welded with two ends of the corrugated pipe. It solves the problems of easy generation of impurities, deposition of particles and embedding and clamping of iron filings and foreign matters in the prior art, and is a corrugated tube type elastic pipe joint suitable for various pipelines. The lack of a limiting structure outside the bulb of the corrugated pipe causes the corrugated pipe to break when the bulb is greatly fluctuated and bent. In addition, the corrugated pipe and the lining are only welded, so that the corrugated pipe has higher probability of fracture and relatively poorer reliability after long-term use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a satisfy high temperature resistant, high pressure resistant, fatigue-resistant, angular compensation, the better bellows bulb of reliability.
The technical scheme of the utility model is that a corrugated pipe ball head with the following structure is provided, which comprises a corrugated pipe, a long connecting pipe, a connecting pipe, an inner ball angle, an outer support and an outer ball angle; one end of the corrugated pipe is fixed with the connecting pipe, the other end of the corrugated pipe is fixed with the long connecting pipe, the inner spherical corner is connected with the long connecting pipe, the outer support is connected with the connecting pipe, the inner end of the inner spherical corner is radially and spherically opened, the inner wall of one end of the outer spherical corner is attached to and fixed with the outer wall of the inner end of the inner spherical corner, and the other end of the outer spherical corner is fixed with one end of the outer support.
The outer spherical angle can radially realize +/-5-degree angular compensation.
The corrugated pipe is positioned in a cavity between the inner walls of the outer support, the outer spherical corner and the inner spherical corner and the outer walls of the connecting pipe and the long connecting pipe.
The corrugated pipe is of a double-layer superposed structure.
The outer wall of the connecting pipe is provided with a first limiting boss, and one end of the corrugated pipe abuts against the side face of the first limiting boss.
And a second limiting boss is arranged on the outer wall of the long connecting pipe, and the other end of the corrugated pipe abuts against one side face of the second limiting boss.
And a supporting ring is arranged on the other side surface of the second limiting boss, the inner wall of the supporting ring is abutted against the long connecting pipe, and the other end of the supporting ring is abutted against the inner wall of the inner spherical angle.
After the structure more than adopting, compared with the prior art, the utility model, the technique has following advantage: because the outer spherical angle is increased, one end of the outer spherical angle is attached to the inner spherical angle and connected with the ball head, the corrugated pipe ball head has 360-degree angular compensation, certain swing distance is achieved, angular compensation is achieved, meanwhile, the corrugated pipe ball head can be suitable for the use working condition of thermal expansion and thermal shrinkage, and the corrugated pipe ball head has the advantages of being high in temperature and pressure resistant and better in reliability.
As an improvement, the corrugated pipe is positioned in a cavity between the inner walls of the outer support, the outer spherical corner and the inner spherical corner and the outer walls of the connecting pipe and the long connecting pipe, and has enough installation space.
As an improvement, the corrugated pipe is of a high-temperature alloy material double-layer superposed structure, and the strength is improved.
As an improvement, a first limiting boss is arranged on the outer wall of the connecting pipe, one end of the corrugated pipe abuts against the side face of the first limiting boss, and axial limiting performance is improved.
As an improvement, a second limiting boss is arranged on the outer wall of the long connecting pipe, and the other end of the corrugated pipe abuts against one side face of the second limiting boss, so that the axial limiting performance is improved.
As an improvement, a supporting ring is arranged on the other side face of the second limiting boss, the inner wall of the supporting ring abuts against the long connecting pipe, and the other end of the supporting ring abuts against the inner wall of the inner spherical corner, so that the axial strength is increased.
Drawings
Fig. 1 is a schematic structural diagram of the bellows bulb of the present invention.
Fig. 2 is a schematic sectional view of the bellows bulb of the present invention.
As shown in the figure: 1. the corrugated pipe comprises a corrugated pipe body, 2 long connecting pipes, 2.1 second limiting bosses, 3 connecting pipes, 3.1 second limiting bosses, 4 inner spherical corners, 5 outer supports, 6 outer spherical corners, 7 supporting rings.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1-2, the bellows bulb of the present invention comprises a bellows 1, a long connection pipe 2, a connection pipe 3, an inner ball angle 4, an outer support 5 and an outer ball angle 6; one end of the corrugated pipe 1 is fixed with the connecting pipe 3, and the inner wall of one end of the corrugated pipe 1 is welded and fixed with the outer wall of the connecting pipe 3; the other end of the corrugated pipe 1 is fixed with the long connecting pipe 2, and the inner wall of the other end of the corrugated pipe 1 is welded and fixed with the outer wall of the long connecting pipe 2. The inner ball corner 4 is connected with the long connecting pipe 2, namely, the outer wall of the outer end of the long connecting pipe 2 is clung to and fixed with the inner wall of the middle part of the inner ball corner 4. The inner end of the inner spherical corner 4 is radially and spherically opened, the inner wall of one end of the outer spherical corner 6 is attached to and fixed with the outer wall of the inner end of the inner spherical corner 4, namely the inner end of the outer spherical corner and the inner end of the inner spherical corner are connected by a ball head, so that angular compensation can be realized, radial separation cannot be realized, and axial limiting is realized. The outer support 5 is connected with the connecting pipe 3, the inner end of the outer support 5 is radially opened, and the end part of the outer support is welded and fixed with the outer ball corner 6.
The outer spherical angle 6 swings at an angle of +/-5 degrees in any direction, namely any direction in 360 degrees, and the compensation of +/-5 degrees of the angle can be realized.
Be equipped with first spacing boss 3.1 on the outer wall of takeover 3, the one end of bellows 1 offsets at the side of first spacing boss 3.1, and the one end tight fit of bellows 1 is in the outer wall of takeover 3, and the tip offsets with the side of first spacing boss 2.1.
The outer support 5 is provided with an inner necking structure, and one end of the connecting pipe 3 is fixed on the inner wall of the inner necking of the outer support 5. The inner ball corner 4 is provided with an inner necking structure, and one end of the long connecting pipe 2 is fixed on the inner wall of the inner necking of the inner ball corner 4.
The other end of the corrugated pipe 1 is fixed with the long connecting pipe 2, a second limiting boss 2.1 is arranged on the outer wall of the long connecting pipe 2, and the other end of the corrugated pipe 1 abuts against one side face of the second limiting boss 2.1. The other end of the corrugated pipe 1 is tightly matched on the outer wall of the long connecting pipe 2 and is propped against one side of the second limiting boss 2.1.
One end of the outer spherical corner 6 is fixed on the inner spherical corner 4, the other end of the outer spherical corner is arranged outside the outer support 5, and a certain swing distance is reserved between the inner wall of the outer spherical corner 6 and the outer wall of the outer support 5, so that the outer spherical corner 6, the outer support 5 and the long connecting pipe 2.
The corrugated pipe 1 is positioned in a cavity between the inner walls of the outer support 5, the outer spherical corner 6 and the inner spherical corner 4 and the outer walls of the connecting pipe 3 and the long connecting pipe 2.
The corrugated pipe is of a double-layer stacked structure and can also be of a multi-layer stacked structure, and the compressive strength is improved.
The other side of the second limit boss 2.1 is provided with a supporting ring 7, the inner wall of the supporting ring 7 is abutted against the long connecting pipe 2, and the other end of the supporting ring is abutted against the inner wall of the inner ball corner 4, so that the outer wall of the long connecting pipe 2 is sealed with the inner wall of the inner ball corner 4.
Claims (7)
1. A bellows bulb which characterized in that: comprises a corrugated pipe (1), a long connecting pipe (2), a connecting pipe (3), an inner spherical corner (4), an outer support (5) and an outer spherical corner (6); bellows (1) one end is fixed with takeover (3), and the other end is fixed with long takeover (2), interior globe angle (4) are connected with long takeover (2), outer support (5) are connected with takeover (3), the radial sphere in inner of interior globe angle (4) opens, the inner wall of the one end of outer globe angle (6) and the inner outer wall laminating of interior globe angle (4) are fixed, the other end of outer globe angle (6) is fixed with the one end of outer support (5).
2. The bellows bulb of claim 1, wherein: the outer spherical angle (6) swings at an angle of +/-5 degrees in any direction.
3. The bellows bulb of claim 1, wherein: the corrugated pipe (1) is positioned in a cavity between the inner walls of the outer support (5), the outer spherical corner (6) and the inner spherical corner (4) and the outer walls of the connecting pipe (3) and the long connecting pipe (2).
4. The bellows bulb of claim 1, wherein: the corrugated pipe (1) is of a double-layer superposed structure.
5. The bellows bulb of claim 1, wherein: be equipped with first spacing boss (3.1) on the outer wall of takeover (3), the one end of bellows (1) offsets at the side of first spacing boss (3.1).
6. The bellows bulb of claim 1, wherein: the outer wall of the long connecting pipe (2) is provided with a second limiting boss (2.1), and the other end of the corrugated pipe (1) abuts against one side face of the second limiting boss (2.1).
7. The bellows bulb of claim 6, wherein: and a supporting ring (7) is arranged on the other side surface of the second limiting boss (2.1), the inner wall of the supporting ring (7) is abutted against the long connecting pipe (2), and the other end of the supporting ring is abutted against the inner wall of the inner spherical angle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499146.3U CN210034716U (en) | 2019-04-12 | 2019-04-12 | Corrugated pipe ball head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499146.3U CN210034716U (en) | 2019-04-12 | 2019-04-12 | Corrugated pipe ball head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034716U true CN210034716U (en) | 2020-02-07 |
Family
ID=69359265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920499146.3U Active CN210034716U (en) | 2019-04-12 | 2019-04-12 | Corrugated pipe ball head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034716U (en) |
-
2019
- 2019-04-12 CN CN201920499146.3U patent/CN210034716U/en active Active
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