Automobile thermostat shell airtightness detection equipment and detection method thereof
A technology for testing equipment and thermostats, which is used in fluid tightness testing, machine/structural component testing, and by detecting the appearance of fluid at the leak point, which can solve problems such as air tightness, simulation, and testing. , to achieve the effect of good sealing and accurate detection data
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Embodiment 1
[0039] Such as figure 1 and Figure 6-8 As shown, the automobile thermostat shell airtight detection equipment clamps and fixes the thermostat shell. During the specific operation, first adjust the distance between the two clamping mechanisms 19 through the rotating cap on the side of the fixed block 11. Since the two Two threaded sleeves 192 are on the threaded rod in the second chute 18. When the threaded rod is rotated, the lines of the two threaded sleeves 192 are opposite, so that the two threaded sleeves 192 cannot move in the same direction. When the two clamping mechanisms 19 are adjusted At this time, the base of the third casing 21 is first placed on the first belt 196, and the first belt 196 drives the rotating rod 193 to move inward, so that the driving wheel 194 wraps the third casing 21 with the first belt 196, and the block The block 195 plays a position-limiting role, and the entire first housing 191 is fixed on the threaded sleeve 192. When the base of the th...
Embodiment 2
[0042] After the whole third housing 21 is fixed, start to seal the hot water inlet pipe 22, hot water outlet pipe 23 and cold water inlet pipe 24 tee pipes on the third housing 21, and start to seal the automobile thermostat housing. The tightness is tested, such as Figure 1-4 As shown, the hot water inlet pipe 22 on the third housing 21 is connected with the hot water outlet pipe 23. When the temperature of the circulating water in the third housing 21 reaches about 70 degrees Celsius, the thermostat in the third housing 21 Open it so that the hot water inlet pipe 22 communicates with the cold water inlet pipe 24 to cool down the water circulating in the third casing 21;
[0043] The sealing test of the third casing 21 is divided into the detection of the casing and the 7th connecting pipe. , to avoid air leakage at the connection of the third housing 21 due to improper human operation, which affects the detection of the overall air tightness of the automobile thermostat h...
Embodiment 3
[0047] Simulate the car thermostat housing working on the car engine. During the specific operation, the staff rotates the first turntable 5 and the second turntable 171 on the slide plate 15, and at the same time can move the first turntable 5 and the second turntable 5 in the first chute 16. Turntable 171, after the turntable rotates, the block 177 on the rotating shaft 172 falls off from the groove 176 on the piston 174. At this time, the piston 174 is located in the three-way pipe in the third housing 21, because the third housing 21 is prevented from When vibrating, since the three-way pipe on the third housing 21 is connected to the rigid shaft 172, when the third housing 21 vibrates, air leakage may occur at the mouth of the connecting pipe 7;
[0048] After the rotating shaft 172 on the three-way pipeline is removed, the piston 174 is connected to the gas communication pipe 178 at this time, and the staff installs the vibrator on the fixed block 11, and the vibrator dri...
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