Novel oilless vertical vacuum pump
A vacuum pump and vertical technology, applied in the field of new oil-free vertical vacuum pumps, can solve the problems of increasing maintenance costs, increasing manpower and material resources, and difficulty in dismantling, maintaining or replacing air valves, achieving long service life, convenient maintenance, and filtering. convenient effects
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[0013] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0014] Such as figure 1 As shown, the new oil-free vertical vacuum pump of the present invention includes a base 1, a body 24, a cylinder 9, a cylinder head 11 and a flywheel 27. The cylinder 9 is arranged above the body 24, and the body 24 and the cylinder 9 are provided The cylinder neck 20, the cylinder 9 is provided with a piston 19 and a piston rod 10, an upper packing chamber 7 is arranged between the cylinder neck 20 and the piston rod 10, an upper packing gland 8 is arranged below the upper packing chamber 7, and the upper packing chamber 7 is connected with A sealing ring 6 is arranged between the piston rod 10, a piston ring 16, a tension ring 17 and a guide ring 18 are arranged between the cylinder 9 and the piston 19, and the piston rod 10 penetrates the cylinder 9 and the cylinder neck 20 sequentially downward, and the piston rod 10 The lower end...
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