CN217382067U - Sealing connection device of vacuum helium leak detection system - Google Patents
Sealing connection device of vacuum helium leak detection system Download PDFInfo
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- CN217382067U CN217382067U CN202221236622.0U CN202221236622U CN217382067U CN 217382067 U CN217382067 U CN 217382067U CN 202221236622 U CN202221236622 U CN 202221236622U CN 217382067 U CN217382067 U CN 217382067U
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- ring
- gas
- supply pipe
- swivel
- fixedly connected
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000001307 helium Substances 0.000 title claims abstract description 30
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 30
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 36
- 210000001503 joint Anatomy 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000002337 anti-port Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a sealing connection device of a vacuum helium leakage detection system, which comprises a gas pipe, a touch ring and a rubber gasket, wherein the outer side annular array of the touch ring is provided with four clamping rods, one ends of the four clamping rods, which are close to the gas pipe, are fixedly connected with thread plates, one sides of the four clamping rods, which are close to the axis of the gas pipe, are all arranged in an inclined way, the inclined planes of the four clamping rods are all towards one side of the gas pipe, the outer side of the gas pipe is rotationally connected with a swivel, one side of the swivel is fixedly connected with a thread ring, the swivel is connected with the thread plates through threads, the swivel drives the four clamping rods to move synchronously, the scheme carries out positive and negative rotation through a manual control driving motor, drives the swivel to rotate, when the swivel rotates reversely, the push of the clamping rods to one side far away from the axis of the gas pipe is realized, because the inner sides of the clamping rods are arranged in an inclined way, when the clamping is realized, the air pipe pressing device has the function of pressing the external pipeline to the air pipe, so that the butt joint between the external pipeline and the air pipe is ensured to be stable.
Description
Technical Field
The application relates to the technical field of helium leak detection, in particular to a sealing connection device of a vacuum helium leak detection system.
Background
Many workpieces need to be detected in the sealing performance in the production process, and the most common detection method is a gas detection method, wherein trace gas is used for pressurizing the workpiece to be detected, the workpiece to be detected is placed in a closed cavity, and the sealing performance of the workpiece is judged by detecting the trace gas accumulated in the closed cavity. Currently, the most common gas detection device is a vacuum helium leak detection device; the vacuum helium leak detection device comprises a vacuumizing inflation recovery device, an electric cabinet, a mechanical pump assembly, a vacuum cavity assembly and a helium detector, and the components are matched to realize leak detection of a detected workpiece. The detected workpiece is placed in a vacuum cavity, the vacuum cavity is in sealing connection with a helium detector, the detected workpiece is connected with a vacuumizing inflation recovery device through a sealing connection pipe which is arranged in the vacuum cavity together with the detected workpiece, and gas filling and recovery are realized through the vacuumizing inflation recovery device. During detection, high-pressure nitrogen is filled into a detected workpiece through the vacuumizing and inflating recovery device to detect large leakage, if no large leakage exists, the detected workpiece is vacuumized, helium with certain pressure is filled into the detected workpiece through the sealing pipeline, and if the detected workpiece has leakage, the helium leaked into the vacuum cavity enters the helium detector to be detected.
The existing vacuum helium detection equipment is generally required to be butted between a connecting end of a mechanism to be detected and a helium conveying pipeline before detection, the connecting end of the mechanism to be detected is not fixed, so the connecting end forms of the mechanism to be detected are different, different butt joint pipes are required to be selected when different types of pipelines are butted, a great deal of inconvenience is caused during detection, the detection is difficult to carry out when no butt joint pipe of a corresponding model is arranged, and the application range of the device is reduced. Accordingly, one skilled in the art provides a hermetic connecting device for a vacuum helium leak detection system that solves the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the application provides a sealing connection device of a vacuum helium leak detection system.
The application provides a pair of sealing connection device of vacuum helium leak detection system, including the gas-supply pipe, the perpendicular fixedly connected with of tip of gas-supply pipe is to touch the ring, and the ring of contradicting keeps away from one side fixedly connected with rubber gasket of gas-supply pipe, the outside annular array that touches the ring has four supporting rods, and four supporting rods are close to the one end fixedly connected with thread plate of gas-supply pipe, four one side that the supporting rod is close to the gas-supply pipe axis all is the slope setting, and the inclined plane of four supporting rods all towards gas-supply pipe one side, the outside of gas-supply pipe is rotated and is connected with the swivel, and one side fixedly connected with thread ring of swivel to the swivel passes through threaded connection between thread ring and the thread plate, four supporting rod synchronous motion of swivel transmission.
Preferably, the annular array on the outer side of the contact ring is provided with four sliding plates, the four clamping rods are respectively slidably embedded in the central line positions on the inner sides of the corresponding sliding plates, and each group of clamping rods and threaded plates are respectively arranged on two sides of the sliding plates.
Preferably, the outer side of the gas conveying pipe is rotatably connected with a gear ring, the outer side of the gear ring is in meshing transmission connection with a driving gear and a driven gear, and the driving gear and the driven gear are arranged in a central symmetry mode relative to the gear ring.
Preferably, the inner side of the rotating ring is fixedly connected with a clamping tooth ring, and the clamping tooth ring is in meshing transmission connection with the driving gear and the driven gear at intervals.
Preferably, bolt fixedly connected with driving motor on the outer wall of gas-supply pipe, and fixed connection between driving motor's output shaft and the driving gear, fixedly connected with button on the gas-supply pipe, and button and driving motor electric connection control driving motor just reversing and stopping.
To sum up, the application comprises the following beneficial technical effects:
the clamping rod is convenient to control and control, the inner side of the clamping rod is obliquely arranged, and the clamping rod has the function of pressing an external pipeline to the gas pipe at the same time of clamping, so that the butt joint between the external pipeline and the gas pipe is stable; through set up four and utilize screw ring and thread plate to carry out the supporting rod that meshes between the change, when the change rotated, four thread plates carried out synchronous inside and outside displacement to this coincidence between the axis of the outside pipeline of assurance centre gripping and the gas-supply pipe axis, thereby position offset's when reducing the butt joint possibility, promoted the stability of butt joint.
Drawings
FIG. 1 is a right side isometric view of a sealed connection arrangement of a vacuum helium leak detection system in an embodiment of the present application;
FIG. 2 is a left side isometric view of a sealed connection arrangement of a vacuum helium leak detection system in an embodiment of the present application;
FIG. 3 is a structural diagram of a transmission structure of a sealing connection device of a vacuum helium leak detection system in an embodiment of the present application;
FIG. 4 is a thread plate configuration diagram of a sealed connection device of a vacuum helium leak detection system in an embodiment of the present application;
fig. 5 is a swivel block diagram of a sealed connection device of a vacuum helium leak detection system in an embodiment of the present application.
Description of reference numerals: 1. a gas delivery pipe; 2. a contact ring; 3. a rubber gasket; 4. a clamping rod; 5. a slide plate; 6. a thread plate; 7. rotating the ring; 701. a threaded ring; 702. a snap ring; 8. a limiting sheet; 9. a drive motor; 10. a button; 11. a gear ring; 12. a driving gear; 13. a driven gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a sealing connection device of a vacuum helium leak detection system. Referring to fig. 1-5, a sealing connection device of a vacuum helium leak detection system comprises a gas pipe 1, wherein the end part of the gas pipe 1 is vertically and fixedly connected with a touch ring 2, one side of the touch ring 2 away from the gas pipe 1 is fixedly connected with a rubber gasket 3, the outer side of the touch ring 2 is annularly arrayed with four clamping rods 4, one ends of the four clamping rods 4 close to the gas pipe 1 are fixedly connected with a threaded plate 6, one sides of the four clamping rods 4 close to the axis of the gas pipe 1 are all obliquely arranged, the inclined planes of the four clamping rods 4 face one side of the gas pipe 1, the included angle of the inclined planes of the four clamping rods 4 is preferably 15 degrees, the width of one side of the clamping rod 4 away from the threaded plate 6 is larger than that of one side close to the threaded plate 6, so that the pressure applied to the gas pipe 1 is exerted on an external pipeline while clamping, and the tight butt joint between the external pipeline and the rubber gasket 3 is ensured, the outer side of the gas pipe 1 is rotatably connected with a rotating ring 7, one side of the rotating ring 7 is fixedly connected with a threaded ring 701, the rotating ring 7 is in threaded connection with a threaded plate 6 through the threaded ring 701, the rotating ring 7 drives four clamping rods 4 to move synchronously, four sliding plates 5 are arranged in an annular array on the outer side of the contact ring 2, the four clamping rods 4 are respectively slidably embedded in the central line positions of the inner sides of the corresponding sliding plates 5, each group of clamping rods 4 and the threaded plate 6 are respectively arranged at two sides of the sliding plates 5, a sliding chute in clearance fit with the clamping rods 4 is preferably arranged on each sliding plate 5, the length of each threaded plate 6 is the same as that of each sliding chute, the threaded plates 6 are always meshed with the threaded ring 701 of the rotating ring 7, the threaded grooves formed on the four threaded plates 6 are different so as to ensure that the threaded plates are respectively same in the sliding plates 5 in the meshing process with the threaded rings 701, and the outer side of the gas pipe 1 is rotatably connected with a gear ring 11, and the outer side of the gear ring 11 is engaged and connected with a driving gear 12 and a driven gear 13, the driving gear 12 and the driven gear 13 are arranged symmetrically with respect to the center of the gear ring 11, the preferable driving gear 12 and the preferred driven gear 13 are both limited between a fixed rod and the outer wall of the gas pipe 1 to ensure the stability of the positions on the outer side of the gas pipe 1, the inner side of the rotating ring 7 is fixedly connected with a clamping gear ring 702, the clamping gear ring 702 is engaged and connected with the driving gear 12 and the driven gear 13 in a transmission way, the preferable side of the rotating ring 7 away from the contact ring 2 is provided with a limiting piece 8 fixedly connected with the gas pipe 1 through a bolt, the limiting piece 8 realizes the limitation of the axial position of the rotating ring 7 on the gas pipe 1, thereby ensuring the connection stability between the rotating ring 7 and the threaded plate 6, the outer wall of the gas pipe 1 is fixedly connected with a driving motor 9 through a bolt, and the output shaft of the driving motor 9 is fixedly connected with the driving gear 12, fixedly connected with button 10 on the gas-supply pipe 1, and button 10 and driving motor 9 electric connection, control driving motor 9 just reversing and stop, preferred button 10 is provided with threely, and three button 10 corresponds driving motor 9's corotation respectively, reversal and stops, and driving motor 9 is provided with locking mechanism, guarantees that after transmission supporting rod 4 targetting in place, the antiport can not appear, causes the not hard up condition of supporting rod 4 to take place.
The implementation principle of the sealing connection device of the vacuum helium leak detection system in the embodiment of the application is as follows: when butt joint between an external pipeline and the gas pipe 1 is carried out, the external pipeline is placed on the inner side of the clamping rod 4, the button 10 on the gas pipe 1 is pressed, at the moment, the driving motor 9 rotates positively, the driving gear 12 rotates, when the driving gear 12 rotates, the gear ring 11 on the transmission gas pipe 1 is meshed to rotate, when the gear ring 11 is meshed with the driven gear 13, the driven gear 13 rotates, so that the rotating ring 7 meshed on the outer side through the clamping tooth ring 702 rotates, the rotating ring 7 drives the threaded plates 6 through the threaded rings 701 on one side of the rotating ring 7 in the rotating process, each threaded plate 6 is enabled to move towards one side of the gas pipe 1, the clamping rod 4 fixedly connected with the threaded plates 6 synchronously moves towards one side of the gas pipe 1, clamping of the external pipeline on the inner side of the clamping rod 4 is realized, because one side of the clamping rod 4 close to the axis of the gas pipe 1 is in an inclined arrangement, therefore, in the clamping process, downward pressing force is simultaneously applied to the external pipeline, so that the pipeline can be better contacted with the rubber gasket 3, and the sealing property between the external pipeline and the gas transmission pipe 1 is ensured; after accomplishing the detection, press another button 10, driving motor 9 antiport this moment, its output shaft transmission driving gear 12 carries out antiport, driving gear 12 meshes 11 transmission driven gear 13 of transmission ring gear afterwards and carries out antiport, change 7 at this moment carry out antiport, carry out the displacement to keeping away from gas-supply pipe 1 axis one side to threaded plate 6 through threaded ring 701 on it, thereby each clamping rod 4 unclamps the centre gripping to the outside pipeline, with this convenient separation between realization outside pipeline and the gas-supply pipe 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a sealing connection device of vacuum helium leak detection system, includes gas-supply pipe (1), the perpendicular fixedly connected with of tip of gas-supply pipe (1) is to conflict ring (2), and conflicts one side fixedly connected with rubber gasket (3) that gas-supply pipe (1) were kept away from in ring (2), its characterized in that: the outside annular array of support ring (2) has four holding rod (4), and four holding rod (4) are close to one end fixedly connected with thread plate (6), four of gas-supply pipe (1) and are close to one side of gas-supply pipe (1) axis in holding rod (4) all are the slope setting, and the inclined plane of four holding rod (4) all towards gas-supply pipe (1) one side, the outside of gas-supply pipe (1) is rotated and is connected with swivel (7), and one side fixedly connected with thread ring (701) of swivel (7) to swivel (7) are through threaded connection between thread ring (701) and thread plate (6), swivel (7) four holding rod (4) synchronous motion of transmission.
2. The hermetic connection device of a vacuum helium leak detection system according to claim 1, wherein: the outer side annular array of the contact ring (2) is provided with four sliding plates (5), four clamping rods (4) are respectively slidably embedded in the inner side central line positions of the corresponding sliding plates (5), and each group of clamping rods (4) and threaded plates (6) are respectively arranged on two sides of the sliding plates (5).
3. The hermetic connection device of a vacuum helium leak detection system according to claim 1, wherein: the outside of gas-supply pipe (1) is rotated and is connected with gear ring (11), and the outside meshing transmission of gear ring (11) is connected with driving gear (12) and driven gear (13), driving gear (12) and driven gear (13) set up about gear ring (11) central symmetry.
4. The hermetic connection device of a vacuum helium leak detection system according to claim 3, characterized in that: the inner side of the rotating ring (7) is fixedly connected with a clamping tooth ring (702), and the clamping tooth ring (702) is in meshing transmission connection with the driving gear (12) and the driven gear (13).
5. The hermetic connection device of a vacuum helium leak detection system according to claim 1, wherein: bolt fixedly connected with driving motor (9) on the outer wall of gas-supply pipe (1), and fixed connection between the output shaft of driving motor (9) and driving gear (12), fixedly connected with button (10) is gone up in gas-supply pipe (1), and button (10) and driving motor (9) electric connection, and control driving motor (9) just reverse and stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221236622.0U CN217382067U (en) | 2022-05-23 | 2022-05-23 | Sealing connection device of vacuum helium leak detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221236622.0U CN217382067U (en) | 2022-05-23 | 2022-05-23 | Sealing connection device of vacuum helium leak detection system |
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| CN217382067U true CN217382067U (en) | 2022-09-06 |
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| CN202221236622.0U Active CN217382067U (en) | 2022-05-23 | 2022-05-23 | Sealing connection device of vacuum helium leak detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119373962A (en) * | 2024-12-27 | 2025-01-28 | 珠海格力电器股份有限公司 | Pipe joint connection device and pipeline container cleaning device |
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2022
- 2022-05-23 CN CN202221236622.0U patent/CN217382067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119373962A (en) * | 2024-12-27 | 2025-01-28 | 珠海格力电器股份有限公司 | Pipe joint connection device and pipeline container cleaning device |
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