Valve core suspension welding and positioning device for EGR valve

The invention discloses a valve core suspension welding and positioning device for an EGR valve. A welding through hole is formed in the middle of a valve body placing base, the outer diameter of the lower end of the valve body placing base is matched with a hole of the valve body, an annular groove...

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1. Verfasser:	ZENG FANBING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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creator	ZENG FANBING
description	The invention discloses a valve core suspension welding and positioning device for an EGR valve. A welding through hole is formed in the middle of a valve body placing base, the outer diameter of the lower end of the valve body placing base is matched with a hole of the valve body, an annular groove is formed in the lower end of the valve placing base, a piston ring is installed in the groove, an O-ring seal ring is arranged between the piston ring and the side wall of the groove, the piston ring is communicated with an air inlet, and a return spring is arranged at the lower end of the piston ring; a movable expanding block is located between the outer side of the piston ring and the inner wall of the hole of the valve body, and the piston ring is inflated to drive the movable expanding block to move toward the inner wall of the hole of the valve body; the return spring is fixed to the valve body placing base through a fixing nut, a valve core is installed between the lower end face of the valve body placing
format	Patent
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A welding through hole is formed in the middle of a valve body placing base, the outer diameter of the lower end of the valve body placing base is matched with a hole of the valve body, an annular groove is formed in the lower end of the valve placing base, a piston ring is installed in the groove, an O-ring seal ring is arranged between the piston ring and the side wall of the groove, the piston ring is communicated with an air inlet, and a return spring is arranged at the lower end of the piston ring; a movable expanding block is located between the outer side of the piston ring and the inner wall of the hole of the valve body, and the piston ring is inflated to drive the movable expanding block to move toward the inner wall of the hole of the valve body; the return spring is fixed to the valve body placing base through a fixing nut, a valve core is installed between the lower end face of the valve body placing</description><language>chi ; eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2016</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=20161012&DB=EPODOC&CC=CN&NR=106002057A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161012&DB=EPODOC&CC=CN&NR=106002057A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZENG FANBING</creatorcontrib><title>Valve core suspension welding and positioning device for EGR valve</title><description>The invention discloses a valve core suspension welding and positioning device for an EGR valve. A welding through hole is formed in the middle of a valve body placing base, the outer diameter of the lower end of the valve body placing base is matched with a hole of the valve body, an annular groove is formed in the lower end of the valve placing base, a piston ring is installed in the groove, an O-ring seal ring is arranged between the piston ring and the side wall of the groove, the piston ring is communicated with an air inlet, and a return spring is arranged at the lower end of the piston ring; a movable expanding block is located between the outer side of the piston ring and the inner wall of the hole of the valve body, and the piston ring is inflated to drive the movable expanding block to move toward the inner wall of the hole of the valve body; the return spring is fixed to the valve body placing base through a fixing nut, a valve core is installed between the lower end face of the valve body placing</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAKS8wpS1VIzi9KVSguLS5IzSvOzM9TKE_NScnMS1dIzEtRKMgvziwBCoL4KallmcmpCmn5RQqu7kEKZSDNPAysaYk5xam8UJqbQdHNNcTZQze1ID8-tbggMTk1L7Uk3tnP0MDMwMDIwNTc0ZgYNQAuHzG0</recordid><startdate>20161012</startdate><enddate>20161012</enddate><creator>ZENG FANBING</creator><scope>EVB</scope></search><sort><creationdate>20161012</creationdate><title>Valve core suspension welding and positioning device for EGR valve</title><author>ZENG FANBING</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106002057A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>ZENG FANBING</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZENG FANBING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Valve core suspension welding and positioning device for EGR valve</title><date>2016-10-12</date><risdate>2016</risdate><abstract>The invention discloses a valve core suspension welding and positioning device for an EGR valve. A welding through hole is formed in the middle of a valve body placing base, the outer diameter of the lower end of the valve body placing base is matched with a hole of the valve body, an annular groove is formed in the lower end of the valve placing base, a piston ring is installed in the groove, an O-ring seal ring is arranged between the piston ring and the side wall of the groove, the piston ring is communicated with an air inlet, and a return spring is arranged at the lower end of the piston ring; a movable expanding block is located between the outer side of the piston ring and the inner wall of the hole of the valve body, and the piston ring is inflated to drive the movable expanding block to move toward the inner wall of the hole of the valve body; the return spring is fixed to the valve body placing base through a fixing nut, a valve core is installed between the lower end face of the valve body placing</abstract><oa>free_for_read</oa></addata></record>
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language	chi ; eng
recordid	cdi_epo_espacenet_CN106002057A
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subjects	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
title	Valve core suspension welding and positioning device for EGR valve
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