Airtight quick-connection plug structure
A joint structure and fast technology, applied in the direction of using liquid/vacuum for liquid tightness measurement, etc., can solve the problems of complex operation, low detection efficiency, inconvenient water inlet and outlet sealing and inflation operation.
Pending Publication Date: 2017-05-17
SUZHOU LVKON NEW ENERGY TECH CO LTD
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Problems solved by technology
[0003] Existing motor shell waterway sealing tests use pressure plates and buckles with air-filled holes to block the water inlet and outlet, and then use additional inflation equipment to inflate the circulating water channel of the casing through the air-filled holes of the pressure plate. The casing is moved to a simple water tank for observation, and it is quite inconvenient to seal and inflate the water inlet and outlet, requiring workers to perform complex operations, resulting in low detection efficiency
Method used
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Embodiment Construction
[0014] An airtight quick connector structure, see figure 1 : It includes an outer sleeve 1, the outer sleeve 1 is penetrated with a through hole 2, one end of the through hole 2 of the outer sleeve 1 is ringed with a locking ball 3, and the inner end surface of the locking ball 3 can be exposed In the annular embedded groove 4, the other end of the inner ring end of the through hole 2 of the outer sleeve 1 is fixed with a linear cylinder 5, the outer end of the piston rod 6 of the linear cylinder 5 is located in the through hole 2, and the outer end of the piston rod 6 The end is fixed with a compression block 7, and the end face of the compression block 7 facing the locking ball 3 is a planar structure. The central axis of 6 is provided with a penetrating small hole 10, and the penetrating small hole 10 is connected to the air-filling hole 9. It also includes a casing faucet 11. The outer end of the casing faucet 11 is provided with an outer circle and an inner concave ring g...
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The invention provides an airtight quick-connection plug structure which can lock the water nozzle at a machine housing flexibly and quickly and can at the same time charge air for the flow channel. In this manner, detection efficiency is raised. The structure comprises an externally sleeved cylinder with a penetration hole that penetrates the externally sleeved cylinder. The inner ring cloth at one end of the penetration hole is provided with a small locking ball. The inner end face of the small locking ball is exposed out of an annular internally-embedded groove. The inner ring end part at the other end of the externally sleeved cylinder's penetration hole is fixedly provided with a straight cylinder. The outer end of the straight cylinder's piston is located inside the penetration hole and the outer end of the piston is fixedly provided with a pressing flexible block. The end face of the pressing flexible block facing the small locking ball is of a planar structure with a pressing end face. The pressing end face is provided with an air inflation hole. The central shaft of the piston is provided with a small penetration hole. The small penetration hole communicates with the air inflation hole and comprises the water nozzle at the machine housing. The outer end of the water nozzle at the machine housing is provided with an externally round and internally concave ring groove. The pressing end face under the testing state is closely attached with the outer end face of the water nozzle at the machine housing.
Description
technical field [0001] The invention relates to the technical field of motor casing testing, in particular to an airtight quick joint structure. Background technique [0002] The permanent magnet synchronous motor is a kind of synchronous motor, and its motor shell has a circulating water channel to realize the water cooling of the motor. If there is leakage in the circulating water channel, external leakage will affect the cooling performance of the motor, and internal leakage may directly cause the motor to short-circuit and burn out, so the leak detection of the circulating water channel is very important. [0003] Existing motor shell waterway sealing tests use pressure plates and buckles with air-filled holes to block the water inlet and outlet, and then use additional inflation equipment to inflate the circulating water channel of the casing through the air-filled holes of the pressure plate. The casing is moved to a simple water tank for observation, and it is quite ...
Claims
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IPC IPC(8): G01M3/02
CPCG01M3/02
Inventor 李磊谢万蛟仲大权王枫
Owner SUZHOU LVKON NEW ENERGY TECH CO LTD