VACUUM PUMP WITH GOOD PROTECTION EFFECT

WIPO Patent Application WO/2022/000909

A1

Disclosed is a vacuum pump with a good protection effect, the vacuum pump comprising a protection box (1). A vacuum pump body (2) is fixedly connected to the bottom of an inner cavity of the protection box; sleeves (3) are fixedly connected to both sides of the top of the protection box; vertical rods (4) are fixedly connected to both sides of the bottom of an inner cavity of each sleeve; a limiting block (5) is fixedly connected to the top of each vertical rod; a buffer spring (6) is arranged on the surface of each vertical rod in a sleeving manner; a transverse rod (7) penetrates the surface of each vertical rod; supporting rods (8) are fixedly connected to both sides of the top of the transverse rod; and a bearing plate (9) is fixedly connected to the top of each supporting rod. By means of using the protection box, the sleeves, the vertical rods, the limiting block, the buffer spring, the transverse rod, the supporting rods, the bearing plate, a sliding block (10), a sliding groove (11), a buffer rod (12), a buffer plate (13) and a damper body (14) in cooperation, the vacuum pump has the advantage of having a good protection effect, and solves the problem of property damage caused by an existing vacuum pump having a poor protection effect and thus being prone to damage.

JPS608483	VACUUM PUMP
WO/2003/048577	DOUBLE ACTION PUMP
JPH03117690	CONTINUOUS EXHAUST TYPE VACUUM PUMP

FAN XINTING (CN)

PCT/CN2020/126945

January 06, 2022

November 06, 2020

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SUZHOU ZHONGCHUANG SUNSHINE TRADING CO LTD (CN)

F04B37/14; F16F15/04

CN210669009U	2020-06-02
CN210838594U	2020-06-23
CN210640436U	2020-05-29
CN108550494A	2018-09-18
CN108666081A	2018-10-16
JP2017207096A	2017-11-24

BEIJING JINGDA LAW FIRM (CN)

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