Shaft seal structure
The invention discloses a shaft seal structure which comprises an inner sleeve and an outer sleeve, a sealing structure fixedly connected to the outer sleeve is arranged on the inner sleeve, a lost channel is formed in the sealing structure so that invasion of foreign matter can be prevented, the fo...
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| creator | WANG JING SHANG QINGFANG LI GUANFENG CHEE SZE KEAT LIU CHANG KONG XIANNING ZHANG LIANGQI LU XINWEI |
| description | The invention discloses a shaft seal structure which comprises an inner sleeve and an outer sleeve, a sealing structure fixedly connected to the outer sleeve is arranged on the inner sleeve, a lost channel is formed in the sealing structure so that invasion of foreign matter can be prevented, the foreign matter can be extruded out of the lost channel only by filling oil liquid during maintenance, maintenance is simple, and the shaft seal structure is high in practicability. Meanwhile, the sealing device further comprises a first sealing ring and a second sealing ring, the cross section of the second sealing ring is a concave face with a notch, pressure can be generated on the side walls of the rings when oil liquid is filled, the sealing effect is enhanced, the invasion degree of foreign matter is reduced, and the maintenance cost is reduced; and a plurality of rolling balls are arranged in the annular groove, and the outer sleeve is externally connected with the elastic composite sleeve, so that better suppo |
| format | Patent |
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Meanwhile, the sealing device further comprises a first sealing ring and a second sealing ring, the cross section of the second sealing ring is a concave face with a notch, pressure can be generated on the side walls of the rings when oil liquid is filled, the sealing effect is enhanced, the invasion degree of foreign matter is reduced, and the maintenance cost is reduced; and a plurality of rolling balls are arranged in the annular groove, and the outer sleeve is externally connected with the elastic composite sleeve, so that better suppo</description><language>chi ; eng</language><subject>BLASTING ; CYLINDERS ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PISTONS ; SEALINGS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2023</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=20231003&DB=EPODOC&CC=CN&NR=116838796A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231003&DB=EPODOC&CC=CN&NR=116838796A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JING</creatorcontrib><creatorcontrib>SHANG QINGFANG</creatorcontrib><creatorcontrib>LI GUANFENG</creatorcontrib><creatorcontrib>CHEE SZE KEAT</creatorcontrib><creatorcontrib>LIU CHANG</creatorcontrib><creatorcontrib>KONG XIANNING</creatorcontrib><creatorcontrib>ZHANG LIANGQI</creatorcontrib><creatorcontrib>LU XINWEI</creatorcontrib><title>Shaft seal structure</title><description>The invention discloses a shaft seal structure which comprises an inner sleeve and an outer sleeve, a sealing structure fixedly connected to the outer sleeve is arranged on the inner sleeve, a lost channel is formed in the sealing structure so that invasion of foreign matter can be prevented, the foreign matter can be extruded out of the lost channel only by filling oil liquid during maintenance, maintenance is simple, and the shaft seal structure is high in practicability. 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Meanwhile, the sealing device further comprises a first sealing ring and a second sealing ring, the cross section of the second sealing ring is a concave face with a notch, pressure can be generated on the side walls of the rings when oil liquid is filled, the sealing effect is enhanced, the invasion degree of foreign matter is reduced, and the maintenance cost is reduced; and a plurality of rolling balls are arranged in the annular groove, and the outer sleeve is externally connected with the elastic composite sleeve, so that better suppo</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS |
| title | Shaft seal structure |
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