Anti-reflux underground overflowing and discharging device
The utility model provides an underground overflowing and discharging device capable of preventing backflow. The cylinder comprises a cylinder body, an upper joint and a lower joint, wherein the upperjoint is connected and fixed at one end of the cylinder body; a guide head is arranged in the upper...
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| creator | WANG WEI XIANG RONG KANG JIAN XIAO YANYING LIU CHANGZHI LIU YANG LIU TIE WANG HAITAO |
| description | The utility model provides an underground overflowing and discharging device capable of preventing backflow. The cylinder comprises a cylinder body, an upper joint and a lower joint, wherein the upperjoint is connected and fixed at one end of the cylinder body; a guide head is arranged in the upper connector, and the end, close to the cylinder body, of the guide head is fixedly sleeved with a supporting rod; the end, close to the cylinder body, of the upper connector is fixedly connected with a pawl spring, and a steel ball is placed in the pawl spring and abuts against the end, away from theguide head, of the supporting rod. A shearing piece is arranged between the pawl spring and the supporting rod, the outer side of the lower connector is in threaded connection with a sealing body, the sealing body is fixedly connected to the end, away from the upper connector, of the cylinder body, a ball seat is arranged in the sealing body, a soluble ball is fixedly installed at the end, away from the steel ball, of the |
| format | Patent |
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The cylinder comprises a cylinder body, an upper joint and a lower joint, wherein the upperjoint is connected and fixed at one end of the cylinder body; a guide head is arranged in the upper connector, and the end, close to the cylinder body, of the guide head is fixedly sleeved with a supporting rod; the end, close to the cylinder body, of the upper connector is fixedly connected with a pawl spring, and a steel ball is placed in the pawl spring and abuts against the end, away from theguide head, of the supporting rod. A shearing piece is arranged between the pawl spring and the supporting rod, the outer side of the lower connector is in threaded connection with a sealing body, the sealing body is fixedly connected to the end, away from the upper connector, of the cylinder body, a ball seat is arranged in the sealing body, a soluble ball is fixedly installed at the end, away from the steel ball, of the</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</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=20200609&DB=EPODOC&CC=CN&NR=210714597U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200609&DB=EPODOC&CC=CN&NR=210714597U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG WEI</creatorcontrib><creatorcontrib>XIANG RONG</creatorcontrib><creatorcontrib>KANG JIAN</creatorcontrib><creatorcontrib>XIAO YANYING</creatorcontrib><creatorcontrib>LIU CHANGZHI</creatorcontrib><creatorcontrib>LIU YANG</creatorcontrib><creatorcontrib>LIU TIE</creatorcontrib><creatorcontrib>WANG HAITAO</creatorcontrib><title>Anti-reflux underground overflowing and discharging device</title><description>The utility model provides an underground overflowing and discharging device capable of preventing backflow. 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A shearing piece is arranged between the pawl spring and the supporting rod, the outer side of the lower connector is in threaded connection with a sealing body, the sealing body is fixedly connected to the end, away from the upper connector, of the cylinder body, a ball seat is arranged in the sealing body, a soluble ball is fixedly installed at the end, away from the steel ball, of the</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLByzCvJ1C1KTcsprVAozUtJLUovygfSCvllqUVpOfnlmXnpColAfkpmcXJGYlE6iJ-SWpaZnMrDwJqWmFOcyguluRmU3FxDnD10Uwvy41OLCxKTU_NSS-Kd_YwMDcwNTUwtzUNDjYlSBAAg7jBx</recordid><startdate>20200609</startdate><enddate>20200609</enddate><creator>WANG WEI</creator><creator>XIANG RONG</creator><creator>KANG JIAN</creator><creator>XIAO YANYING</creator><creator>LIU CHANGZHI</creator><creator>LIU YANG</creator><creator>LIU TIE</creator><creator>WANG HAITAO</creator><scope>EVB</scope></search><sort><creationdate>20200609</creationdate><title>Anti-reflux underground overflowing and discharging device</title><author>WANG WEI ; XIANG RONG ; KANG JIAN ; XIAO YANYING ; LIU CHANGZHI ; LIU YANG ; LIU TIE ; WANG HAITAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN210714597UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG WEI</creatorcontrib><creatorcontrib>XIANG RONG</creatorcontrib><creatorcontrib>KANG JIAN</creatorcontrib><creatorcontrib>XIAO YANYING</creatorcontrib><creatorcontrib>LIU CHANGZHI</creatorcontrib><creatorcontrib>LIU YANG</creatorcontrib><creatorcontrib>LIU TIE</creatorcontrib><creatorcontrib>WANG HAITAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG WEI</au><au>XIANG RONG</au><au>KANG JIAN</au><au>XIAO YANYING</au><au>LIU CHANGZHI</au><au>LIU YANG</au><au>LIU TIE</au><au>WANG HAITAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Anti-reflux underground overflowing and discharging device</title><date>2020-06-09</date><risdate>2020</risdate><abstract>The utility model provides an underground overflowing and discharging device capable of preventing backflow. The cylinder comprises a cylinder body, an upper joint and a lower joint, wherein the upperjoint is connected and fixed at one end of the cylinder body; a guide head is arranged in the upper connector, and the end, close to the cylinder body, of the guide head is fixedly sleeved with a supporting rod; the end, close to the cylinder body, of the upper connector is fixedly connected with a pawl spring, and a steel ball is placed in the pawl spring and abuts against the end, away from theguide head, of the supporting rod. A shearing piece is arranged between the pawl spring and the supporting rod, the outer side of the lower connector is in threaded connection with a sealing body, the sealing body is fixedly connected to the end, away from the upper connector, of the cylinder body, a ball seat is arranged in the sealing body, a soluble ball is fixedly installed at the end, away from the steel ball, of the</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Anti-reflux underground overflowing and discharging device |
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