Vacuum pump
A vacuum pump and pump cover technology, which is applied in the field of vacuuming, can solve problems such as unreasonable structural design, high operating costs, and large power loss, and achieve the effects of simple installation and maintenance, small size, and high work efficiency
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] see Figure 1 to Figure 9 , a vacuum pump, comprising a pump body 2, a pump cover 5 detachably connected to the front end of the pump body 2, an impeller 3 eccentrically installed in the pump body 2, a pump shaft 1 and a motor 9 integrated with the pump shaft 1;
[0032] Wherein, the side end surface of the pump cover 5 is provided with an exhaust cavity 51, an air intake cavity 54, a cavitation protection water supply cavity 58 and a pump water supply cavity 59, and the exhaust cavity 51 and the intake cavity 54 are arranged on the pump The upper side end surface of the cover 5, the cavita...
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