Axial force automatic balancing device, water pump and air conditioner
A technology of automatic balance and axial force, which is applied to the parts, pumps, pump components and other directions of the pumping device used for elastic fluid, can solve the problems affecting the reliability of the water pump and the pump cannot operate normally, so as to reduce the impact and ensure The effect of normal operation
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[0017] Such as figure 1 As shown, the axial force automatic balancing device proposed in the embodiment of the present invention is applied to a water pump. The axial force automatic balancing device includes a pump body 1, an impeller 3 arranged in the pump body 1 and a pump cover 2 arranged on the pump body 1, the impeller 3 includes a front cover plate 31 and a rear cover plate 32, and the front cover plate 31 Near the suction port of the pump body, the rear cover plate 32 is close to the motor, the front cover plate 31 is provided with a front mouth ring 33 , and the rear cover plate 32 is provided with a rear mouth ring 34 .
[0018] In order to ensure the automatic balance of the axial force during the operation of the water pump, the pump cover 2 is provided with an annular groove 21 that fits with the rear mouth ring 34. The back cover plate 32 of the impeller 3, the rear mouth ring 34 and the pump cover 2 A balance cavity 11 is formed between them, and the balance ca...
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