CN220063271U - Pipeline tightness detection tool with steps and capable of being replaced flexibly and disassembled quickly - Google Patents
Pipeline tightness detection tool with steps and capable of being replaced flexibly and disassembled quickly Download PDFInfo
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- CN220063271U CN220063271U CN202222990224.4U CN202222990224U CN220063271U CN 220063271 U CN220063271 U CN 220063271U CN 202222990224 U CN202222990224 U CN 202222990224U CN 220063271 U CN220063271 U CN 220063271U
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 238000009423 ventilation Methods 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Pipe Accessories (AREA)
Abstract
The utility model belongs to a novel pipeline connection system for aviation pipeline connection, and discloses a flexible quick-change quick-release pipeline tightness detection tool with a step difference. Comprises a quick-release joint, a ventilation and pressure-building device, a flexible quick-change device, a catheter, a pipe sleeve, a clamp and a sleeve. The quick release connector is connected with the connector of the air tightness test equipment, the two ends of the ventilation and pressure building device are eccentrically designed, the air inlet is connected with the quick release connector, the air outlet end is an inner cavity of the pipeline connecting piece, the flexible quick change device and the pipeline connecting piece are combined to form a sealing pair of the test tool, and the functions of sealing and flexible quick change are realized. The ventilation pressure-building device consists of a mandrel and a sealing ring, and the flexible quick-change device consists of a quick-change bushing, a screw cover and a sealing ring. The detection tool has the advantages of simple structure, high efficiency, good sealing performance, flexible quick change of different specifications, quick release, and strong practicality, and can realize the nondestructive test of the appearance of the tested product.
Description
Technical Field
The utility model belongs to the technical field of aviation and land pipe connection tests, and particularly relates to a flexible quick-change and quick-release type pipeline tightness detection tool with a step difference.
Background
In the manufacturing process of the novel pipeline connection, a tightness test needs to be carried out to check the tightness of the conduit.
At present, a 'gantry clamp and clamping plate' mode is generally adopted in China to carry out airtight test, and the airtight test clamp of the type has the problems that the clamping force is not tightly controlled, the joint clearance of a catheter joint is difficult to ensure and the like; and the test device is more complicated to detach and has lower test efficiency.
In addition, there is a common form of "clip + sleeve", but this form is not sufficiently airtight on the one hand and not structurally stable on the other hand.
Finally, the number of specifications of the pipeline is large, and if a tool is designed for each specification of the conduit, the difficulty of tool management and the complexity of production management are increased.
Disclosure of Invention
In order to solve the problems, the utility model provides a flexible quick-change quick-release pipeline tightness detection tool with a step difference, which improves the detection quality and efficiency.
The technical scheme of the utility model is as follows:
a flexible quick-change, quick-release stepped pipe tightness detection tool, the tool comprising: the quick-release connector 1, the ventilation and pressure-building device 2, the flexible quick-change device 3, the guide pipe 4, the first pipe sleeve 5-1, the second pipe sleeve 5-2 and the clamp 6;
the quick release connector 1 is connected with the test equipment connector through threads, the ventilation and pressure building device 2 is connected with the quick release connector 1 through a steel ball lock structure, the flexible quick change device 3 is connected with the ventilation and pressure building device 2 through threads, the first pipe sleeve 5-1 and the second pipe sleeve 5-2 are connected through a clamp 6, and the guide pipe 4 is connected with the first pipe sleeve 5-1 and the second pipe sleeve 5-2 through welding.
The technical scheme of the utility model is characterized in that:
(1) The ventilation pipeline in the inner cavity of the ventilation and pressure building device 2 is connected with test equipment and a tested piece, so that the pressure building function is realized; the two ends of the ventilation pressure-building device 2 are in eccentric design, so that the installation of the step difference of the two sections of the guide pipes is realized; the outer circle of the ventilation pressure-building device 2 is provided with a rectangular sealing ring groove structure which is used for installing a first sealing ring 8 and is connected with the flexible quick-change device 3 through the first sealing ring 8 to realize sealing; the end head of one end of the ventilation pressure building device 2 is provided with a self-locking sealing groove structure for quick disassembly and sealing between the ventilation pressure building device and the quick-release connector 1.
(2) The flexible quick-change device 3 consists of a quick-change bushing I3-1, a quick-change bushing II 3-2, a screw cover I3-3, a screw cover II 3-4 and a sealing ring II 9;
the inner hole of the flexible quick change device 3 is in clearance fit with the outer circle of the ventilation pressure building device 2, and is connected with the ventilation pressure building device 2 through a first sealing ring 8 to realize sealing; the excircle of the flexible quick change device 3 is provided with a rectangular sealing ring groove structure for installing a second sealing ring 9, and the flexible quick change device is connected with a first pipe sleeve 5-1 and a second pipe sleeve 5-2 through the second sealing ring 9 to realize sealing.
(3) The flexible quick-change device 3 adopts a split type composition structure, and can change the quick-change bushing, the screw cap and the sealing ring according to different catheter specifications, thereby realizing a flexible quick-change function.
(4) The quick-change bushings I3-1 and II 3-2 are made of nonmetallic materials and are in oblique positioning design, and the inner holes of the quick-change bushings I3-1 and II 3-2 are in clearance fit with the ventilation and pressure building device 2.
(5) The first screw cover 3-3 and the second screw cover 3-4 are internally provided with screw structures and are used for being connected with the ventilation and pressure building device 2 to realize the limit and fixation of the quick-change bushing.
(6) The tool further comprises: a sleeve 7 and a sealing ring III 10;
the first pipe sleeve 5-1, the second pipe sleeve 5-2, the sealing ring III 10 and the sleeve 7 form a sealing pair, medium circulation and sealing are guaranteed, the clamp 6 is used as a structural member, axial and radial displacement is fixed and limited, and tightness test work is completed.
The detection tool has the advantages of simple structure, high efficiency, good sealing performance, flexibility and quick replacement of different specifications, quick disassembly, and strong practicability, and can realize no test damage to the appearance of the tested product.
Drawings
FIG. 1 is a schematic diagram of a flexible quick-change and quick-release type pipeline tightness detection tool with steps;
the quick-release connector comprises a 1-quick-release connector, a 2-ventilation pressure-building device, a 3-flexible quick-change device, a 4-conduit, a 5-1-first pipe sleeve, a 5-2-second pipe sleeve, a 6-clamp, a 7-sleeve, a 8-sealing ring I, a 9-sealing ring II, a 10-sealing ring III, a 3-1-quick-change bushing I, a 3-2-quick-change bushing II, a 3-3-screw cap I and a 3-4-screw cap II.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings.
The embodiment of the utility model provides a flexible quick-change and quick-release type pipeline tightness detection tool with a step difference, which comprises a quick-release connector, a ventilation and pressure-building device, a flexible quick-change device, a conduit, a first pipe sleeve, a second pipe sleeve, a clamp and a sleeve, wherein the quick-release connector is connected with a test equipment connector through threads, the ventilation and pressure-building device is connected with the quick-release connector through a steel ball lock structure, the flexible quick-change device is connected with the ventilation and pressure-building device through threads, the first pipe sleeve and the second pipe sleeve are connected through the clamp, and the conduit is connected with the pipe sleeve through welding.
Furthermore, the inner cavity of the ventilation and pressure building device is provided with a pipeline for connecting test equipment and a tested piece, so that the pressure building function is realized; the two ends of the device are eccentrically designed, so that the installation of the step difference of the two sections of the guide pipes is realized; the excircle is provided with a rectangular sealing ring groove structure and is connected with a flexible quick-change device through a first sealing ring to realize sealing; the end is designed with a self-locking sealing groove structure, so that the quick assembly disassembly and the sealing between the end and the quick assembly disassembly joint are realized.
Further, the flexible quick-change device consists of a quick-change bushing I, a quick-change bushing II, a screw cover I, a screw cover II and a sealing ring II. The inner hole is in clearance fit with the outer circle of the ventilation pressure-building device and is connected with the ventilation pressure-building device through a first sealing ring to realize sealing; the excircle is designed with a rectangular sealing ring groove structure and is connected with the first pipe sleeve and the second pipe sleeve through the second sealing ring to realize sealing.
Furthermore, the flexible quick-change device adopts a split type composition structure, and the quick-change bushing, the screw cap and the sealing ring can be replaced according to different catheter specifications, so that a flexible quick-change function is realized.
Furthermore, the quick-change bushing adopts nonmetallic materials and a deflection positioning design, so that the functions of flexible quick-change and protection of test pieces with multiple specifications are realized; the inner hole is in clearance fit with the ventilation and pressure building device.
Furthermore, the screw cap is internally provided with a thread structure which is connected with the ventilation pressure-building device, so that the limit and the fixation of the quick-change bushing are realized.
Specifically, as shown in fig. 1, an embodiment of the present utility model provides a flexible quick-change and quick-release pipeline tightness detection tool with step, where the detection tool includes: 1. quick-release joint, ventilation and pressure building device, flexible quick-change device, conduit, 5-1, first pipe sleeve 5-2, a second pipe sleeve, 6, a clamp, 7, a sleeve, 8, a first sealing ring, 9, a second sealing ring and 10, and a third sealing ring.
The quick release connector 1 is connected with a connector of the air tightness test equipment through a threaded nozzle.
The two ends of the ventilation pressure building device 2 are eccentrically designed, and the air inlet is connected with the quick release connector 1 through a steel ball lock structure, so that quick connection and sealing are realized.
The air outlet end of the ventilation and pressure building device 2 is an inner cavity of a flexible connector of a pipeline connecting piece, the ventilation and pressure building device and the flexible quick-change device 3 are sealed by a sealing ring 8, and the screw cap is screwed up to realize limit.
The flexible quick-change device 3 and the flexible connector of the pipeline connecting piece are combined to form a sealing pair of the test tool, so that the sealing and flexible quick-change functions are realized.
The conduit 4 is connected to the first sleeve 5-1 by means of welding.
The first pipe sleeve 5-1, the second pipe sleeve 5-2, the sealing ring 10 and the sleeve 7 form a sealing pair of the pipeline connecting piece, medium circulation and sealing are guaranteed, the clamp 6 is used as a structural member, axial and radial displacement is fixed and limited, and finally tightness test work is completed.
The utility model has the advantages that: the detection tool has the advantages of simple structure, high efficiency, good sealing performance, flexibility and quick replacement of different specifications, quick disassembly, and strong practicability, and can realize no test damage to the appearance of the tested product.
Claims (7)
1. A flexible quick-change, quick-release, stepped-line tightness detection tool, the tool comprising: the quick-release joint (1), the ventilation and pressure-building device (2), the flexible quick-change device (3), the catheter (4), the first pipe sleeve (5-1), the second pipe sleeve (5-2) and the clamp (6);
the quick release connector (1) is connected with the test equipment connector through threads, the ventilation and pressure building device (2) is connected with the quick release connector (1) through a steel ball lock structure, the flexible quick change device (3) is connected with the ventilation and pressure building device (2) through threads, the first pipe sleeve (5-1) and the second pipe sleeve (5-2) are connected through the clamp (6), and the guide pipe (4) is connected with the first pipe sleeve (5-1) and the second pipe sleeve (5-2) through welding.
2. The flexible quick-change quick-release pipeline tightness detection tool with the step difference according to claim 1, wherein the ventilation pipeline in the inner cavity of the ventilation and pressure-building device (2) is connected with test equipment and a tested piece, so that the pressure-building function is realized; the two ends of the ventilation pressure-building device (2) are eccentrically designed, so that the installation of the step difference of the two sections of the guide pipes is realized; the outer circle of the ventilation pressure-building device (2) is provided with a rectangular sealing ring groove structure which is used for installing a first sealing ring (8) and is connected with the flexible quick-change device (3) through the first sealing ring (8) to realize sealing; the end head of one end of the ventilation pressure building device (2) is provided with a self-locking sealing groove structure for quick disassembly and sealing between the ventilation pressure building device and the quick-release connector (1).
3. The flexible quick-change and quick-release stepped pipeline tightness detection tool according to claim 1, wherein the flexible quick-change device (3) consists of a quick-change bushing I (3-1), a quick-change bushing II (3-2), a screw cap I (3-3), a screw cap II (3-4) and a sealing ring II (9);
the inner hole of the flexible quick-change device (3) is in clearance fit with the outer circle of the ventilation pressure-building device (2), and is connected with the ventilation pressure-building device (2) through a first sealing ring (8) to realize sealing; the outer circle of the flexible quick-change device (3) is provided with a rectangular sealing ring groove structure for installing a second sealing ring (9), and the flexible quick-change device is connected with the first pipe sleeve (5-1) and the second pipe sleeve (5-2) through the second sealing ring (9) to realize sealing.
4. The flexible quick-change and quick-release type pipeline tightness detection tool with the step difference according to claim 3, wherein the flexible quick-change device (3) adopts a split type composition structure, and can change a quick-change bushing, a screw cover and a sealing ring according to different conduit specifications so as to realize a flexible quick-change function.
5. The flexible quick-change and quick-release stepped pipeline tightness detection tool according to claim 3, wherein the first quick-change bushing (3-1) and the second quick-change bushing (3-2) are made of nonmetallic materials and are designed in a deflection positioning mode, and the inner holes of the first quick-change bushing (3-1) and the second quick-change bushing (3-2) are in clearance fit with the ventilation and pressure building device (2).
6. The flexible quick-change quick-release stepped pipeline tightness detection tool according to claim 3, wherein the first screw cover (3-3) and the second screw cover (3-4) are internally provided with screw structures and are used for being connected with a ventilation and pressure building device (2) to realize limit and fixation of a quick-change bushing.
7. A flexible quick change, quick release stepped pipe tightness test tool according to claim 3, said tool further comprising: a sleeve (7) and a sealing ring III (10);
the first pipe sleeve (5-1), the second pipe sleeve (5-2), the third sealing ring (10) and the sleeve (7) form a sealing pair, circulation and sealing of media are guaranteed, the clamp (6) is used as a structural member, axial and radial displacement is fixed and limited, and tightness test work is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222990224.4U CN220063271U (en) | 2022-11-10 | 2022-11-10 | Pipeline tightness detection tool with steps and capable of being replaced flexibly and disassembled quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222990224.4U CN220063271U (en) | 2022-11-10 | 2022-11-10 | Pipeline tightness detection tool with steps and capable of being replaced flexibly and disassembled quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063271U true CN220063271U (en) | 2023-11-21 |
Family
ID=88763195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222990224.4U Active CN220063271U (en) | 2022-11-10 | 2022-11-10 | Pipeline tightness detection tool with steps and capable of being replaced flexibly and disassembled quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063271U (en) |
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2022
- 2022-11-10 CN CN202222990224.4U patent/CN220063271U/en active Active
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