Automobile roof air channel air-tightness detection device
An air tightness detection and air duct technology, which can be used in liquid/vacuum measurement for liquid tightness, by detecting the appearance of fluid at the leak point, and by measuring the acceleration and deceleration rate of the fluid, etc. Provide detailed reference for the production steps of the air duct, it is impossible to judge that the air-tightness of the air duct of the car canopy is good, and it is impossible to test the air leakage of the air duct of the car canopy, so as to achieve the effect of easy observation.
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0020] refer to Figure 1-3 , a kind of airtightness detection device of automobile ceiling air duct, comprises the box body 1 of hollow structure, is provided with clean water in box body 1, is provided with opening on the top of box body 1, and is connected on the side outer wall of box body 1 Intake pipe 2, and the air inlet pipe 2 is connected to the air pressure gauge 3 through the rubber conduit, and the rubber conduit is connected to the rubber tube, and the end of the rubber tube away from the rubber conduit is connected to the pressurized ball 4, and the side of the box body 1 close to the intake pipe 4 The side outer wall is rotatably connected with a conne...
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