Rotating drum vacuum valve element limiting mechanism
The invention relates to the technical field of rotating drum vacuum valves and particularly discloses a rotating drum vacuum valve element limiting mechanism. The rotating drum vacuum valve element limiting mechanism comprises an anti-thrust head, a spring washer and a lock washer, wherein the anti...
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| creator | XUE GUANGLEI YIN YAFANG FAN GUOWEI LIU YANG HAO YAOHONG WU GANG |
| description | The invention relates to the technical field of rotating drum vacuum valves and particularly discloses a rotating drum vacuum valve element limiting mechanism. The rotating drum vacuum valve element limiting mechanism comprises an anti-thrust head, a spring washer and a lock washer, wherein the anti-thrust head is of a trapezoid-cylinder structure as a whole; the lower end of the anti-thrust head is of a threaded structure; after the anti-thrust head is sleeved with the spring washer, the anti-thrust head is screwed into a matched round hole in a valve base; and by means of a boss on the middle portion of the anti-thrust head, the spring washer is pressed and fixed onto the valve base, and the lock washer is arranged between the spring washer and the valve base. According to the limiting mechanism, by means of verification of 500 times of valve opening and closing action tests of front installation, inverse installation and side installation of valves, the leakage problem, caused by unstable radial limiting o |
| format | Patent |
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The rotating drum vacuum valve element limiting mechanism comprises an anti-thrust head, a spring washer and a lock washer, wherein the anti-thrust head is of a trapezoid-cylinder structure as a whole; the lower end of the anti-thrust head is of a threaded structure; after the anti-thrust head is sleeved with the spring washer, the anti-thrust head is screwed into a matched round hole in a valve base; and by means of a boss on the middle portion of the anti-thrust head, the spring washer is pressed and fixed onto the valve base, and the lock washer is arranged between the spring washer and the valve base. According to the limiting mechanism, by means of verification of 500 times of valve opening and closing action tests of front installation, inverse installation and side installation of valves, the leakage problem, caused by unstable radial limiting o</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170707&DB=EPODOC&CC=CN&NR=106931177A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170707&DB=EPODOC&CC=CN&NR=106931177A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XUE GUANGLEI</creatorcontrib><creatorcontrib>YIN YAFANG</creatorcontrib><creatorcontrib>FAN GUOWEI</creatorcontrib><creatorcontrib>LIU YANG</creatorcontrib><creatorcontrib>HAO YAOHONG</creatorcontrib><creatorcontrib>WU GANG</creatorcontrib><title>Rotating drum vacuum valve element limiting mechanism</title><description>The invention relates to the technical field of rotating drum vacuum valves and particularly discloses a rotating drum vacuum valve element limiting mechanism. The rotating drum vacuum valve element limiting mechanism comprises an anti-thrust head, a spring washer and a lock washer, wherein the anti-thrust head is of a trapezoid-cylinder structure as a whole; the lower end of the anti-thrust head is of a threaded structure; after the anti-thrust head is sleeved with the spring washer, the anti-thrust head is screwed into a matched round hole in a valve base; and by means of a boss on the middle portion of the anti-thrust head, the spring washer is pressed and fixed onto the valve base, and the lock washer is arranged between the spring washer and the valve base. 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The rotating drum vacuum valve element limiting mechanism comprises an anti-thrust head, a spring washer and a lock washer, wherein the anti-thrust head is of a trapezoid-cylinder structure as a whole; the lower end of the anti-thrust head is of a threaded structure; after the anti-thrust head is sleeved with the spring washer, the anti-thrust head is screwed into a matched round hole in a valve base; and by means of a boss on the middle portion of the anti-thrust head, the spring washer is pressed and fixed onto the valve base, and the lock washer is arranged between the spring washer and the valve base. According to the limiting mechanism, by means of verification of 500 times of valve opening and closing action tests of front installation, inverse installation and side installation of valves, the leakage problem, caused by unstable radial limiting o</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Rotating drum vacuum valve element limiting mechanism |
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