Bypass liquid return hydraulic control one-way valve
The utility model discloses a bypass liquid return hydraulic control one-way valve. Wherein the valve body is provided with a liquid supply port, a working port, a control port and a liquid return port; a one-way valve element assembly and a bypass valve element assembly are arranged in the valve bo...
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| creator | LI XIANGBIN FENG JINGPEI LYU SHANCHAO DONG YIWEI LI JULING CAI CHUNYANG XIA YECHUANG |
| description | The utility model discloses a bypass liquid return hydraulic control one-way valve. Wherein the valve body is provided with a liquid supply port, a working port, a control port and a liquid return port; a one-way valve element assembly and a bypass valve element assembly are arranged in the valve body. Wherein the working cavity is connected with a working port, the liquid supply cavity is connected with a liquid supply port, and the first pressure relief cavity is connected with a control port. The liquid return device comprises a mounting hole communicated with the liquid return port. A hollow valve core matched with the liquid return opening is arranged in the mounting hole; a pushing spring in contact with the end surface of the mounting hole is arranged in an inner cavity at the tailpart of the hollow valve core; the outer side of the hollow valve element is sleeved with a first sealing ring and a second sealing ring which are connected with the side wall of the mounting hole ina sealed mode, a temporary |
| format | Patent |
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Wherein the valve body is provided with a liquid supply port, a working port, a control port and a liquid return port; a one-way valve element assembly and a bypass valve element assembly are arranged in the valve body. Wherein the working cavity is connected with a working port, the liquid supply cavity is connected with a liquid supply port, and the first pressure relief cavity is connected with a control port. The liquid return device comprises a mounting hole communicated with the liquid return port. A hollow valve core matched with the liquid return opening is arranged in the mounting hole; a pushing spring in contact with the end surface of the mounting hole is arranged in an inner cavity at the tailpart of the hollow valve core; the outer side of the hollow valve element is sleeved with a first sealing ring and a second sealing ring which are connected with the side wall of the mounting hole ina sealed mode, a temporary</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>2020</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=20200324&DB=EPODOC&CC=CN&NR=210178396U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200324&DB=EPODOC&CC=CN&NR=210178396U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI XIANGBIN</creatorcontrib><creatorcontrib>FENG JINGPEI</creatorcontrib><creatorcontrib>LYU SHANCHAO</creatorcontrib><creatorcontrib>DONG YIWEI</creatorcontrib><creatorcontrib>LI JULING</creatorcontrib><creatorcontrib>CAI CHUNYANG</creatorcontrib><creatorcontrib>XIA YECHUANG</creatorcontrib><title>Bypass liquid return hydraulic control one-way valve</title><description>The utility model discloses a bypass liquid return hydraulic control one-way valve. 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A hollow valve core matched with the liquid return opening is arranged in the mounting hole; a pushing spring in contact with the end surface of the mounting hole is arranged in an inner cavity at the tailpart of the hollow valve core; the outer side of the hollow valve element is sleeved with a first sealing ring and a second sealing ring which are connected with the side wall of the mounting hole ina sealed mode, a temporary</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBxqixILC5WyMksLM1MUShKLSktylPIqEwpSizNyUxWSM7PKynKz1HIz0vVLU-sVChLzClL5WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8c5-RoYGhuYWxpZmoaHGRCkCALnJLfc</recordid><startdate>20200324</startdate><enddate>20200324</enddate><creator>LI XIANGBIN</creator><creator>FENG JINGPEI</creator><creator>LYU SHANCHAO</creator><creator>DONG YIWEI</creator><creator>LI JULING</creator><creator>CAI CHUNYANG</creator><creator>XIA YECHUANG</creator><scope>EVB</scope></search><sort><creationdate>20200324</creationdate><title>Bypass liquid return hydraulic control one-way valve</title><author>LI XIANGBIN ; FENG JINGPEI ; LYU SHANCHAO ; DONG YIWEI ; LI JULING ; CAI CHUNYANG ; XIA YECHUANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN210178396UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>LI XIANGBIN</creatorcontrib><creatorcontrib>FENG JINGPEI</creatorcontrib><creatorcontrib>LYU SHANCHAO</creatorcontrib><creatorcontrib>DONG YIWEI</creatorcontrib><creatorcontrib>LI JULING</creatorcontrib><creatorcontrib>CAI CHUNYANG</creatorcontrib><creatorcontrib>XIA YECHUANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI XIANGBIN</au><au>FENG JINGPEI</au><au>LYU SHANCHAO</au><au>DONG YIWEI</au><au>LI JULING</au><au>CAI CHUNYANG</au><au>XIA YECHUANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Bypass liquid return hydraulic control one-way valve</title><date>2020-03-24</date><risdate>2020</risdate><abstract>The utility model discloses a bypass liquid return hydraulic control one-way valve. 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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Bypass liquid return hydraulic control one-way valve |
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