Quick-repair wash-free dual-valve-element shut-off valve convenient to replace
The invention relates to the technical field of valves, and more particularly relates to a quick-repair wash-free dual-valve-element shut-off valve convenient to replace. The quick-repair wash-free dual-valve-element shut-off valve convenient to replace comprises a valve body, a valve base, a primar...
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| creator | MIAO YUNBO |
| description | The invention relates to the technical field of valves, and more particularly relates to a quick-repair wash-free dual-valve-element shut-off valve convenient to replace. The quick-repair wash-free dual-valve-element shut-off valve convenient to replace comprises a valve body, a valve base, a primary valve element, a limit disc, a secondary valve element, a valve base sleeve, a valve cover, a packing gland, a valve rod and a valve drive mechanism, wherein when the shut-off valve is in the opening and closing states, an assembling unit formed by the primary valve element, the limit disc and thesecondary valve element vertically move, free stroke set in the primary valve element enables the position of the primary valve element to be automatically corrected under the action of the fluid pressure, the secondary valve element does not apply pushing force on the primary valve element downward after the valve elements are all closed in place, the condition that one valve element influencesthe sealing performance of |
| format | Patent |
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The quick-repair wash-free dual-valve-element shut-off valve convenient to replace comprises a valve body, a valve base, a primary valve element, a limit disc, a secondary valve element, a valve base sleeve, a valve cover, a packing gland, a valve rod and a valve drive mechanism, wherein when the shut-off valve is in the opening and closing states, an assembling unit formed by the primary valve element, the limit disc and thesecondary valve element vertically move, free stroke set in the primary valve element enables the position of the primary valve element to be automatically corrected under the action of the fluid pressure, the secondary valve element does not apply pushing force on the primary valve element downward after the valve elements are all closed in place, the condition that one valve element influencesthe sealing performance of</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>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=20200522&DB=EPODOC&CC=CN&NR=111188911A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200522&DB=EPODOC&CC=CN&NR=111188911A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIAO YUNBO</creatorcontrib><title>Quick-repair wash-free dual-valve-element shut-off valve convenient to replace</title><description>The invention relates to the technical field of valves, and more particularly relates to a quick-repair wash-free dual-valve-element shut-off valve convenient to replace. The quick-repair wash-free dual-valve-element shut-off valve convenient to replace comprises a valve body, a valve base, a primary valve element, a limit disc, a secondary valve element, a valve base sleeve, a valve cover, a packing gland, a valve rod and a valve drive mechanism, wherein when the shut-off valve is in the opening and closing states, an assembling unit formed by the primary valve element, the limit disc and thesecondary valve element vertically move, free stroke set in the primary valve element enables the position of the primary valve element to be automatically corrected under the action of the fluid pressure, the secondary valve element does not apply pushing force on the primary valve element downward after the valve elements are all closed in place, the condition that one valve element influencesthe sealing performance of</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPALLM1MztYtSi1IzCxSKE8sztBNK0pNVUgpTczRLUvMKUvVTc1JzU3NK1Eozigt0c1PS1MACysk5-eVpeZlgmRK8hWABuQkJqfyMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4gKgkrzUknhnP0MgsLCwNDR0NCZGDQAU-TaM</recordid><startdate>20200522</startdate><enddate>20200522</enddate><creator>MIAO YUNBO</creator><scope>EVB</scope></search><sort><creationdate>20200522</creationdate><title>Quick-repair wash-free dual-valve-element shut-off valve convenient to replace</title><author>MIAO YUNBO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111188911A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MIAO YUNBO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIAO YUNBO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Quick-repair wash-free dual-valve-element shut-off valve convenient to replace</title><date>2020-05-22</date><risdate>2020</risdate><abstract>The invention relates to the technical field of valves, and more particularly relates to a quick-repair wash-free dual-valve-element shut-off valve convenient to replace. The quick-repair wash-free dual-valve-element shut-off valve convenient to replace comprises a valve body, a valve base, a primary valve element, a limit disc, a secondary valve element, a valve base sleeve, a valve cover, a packing gland, a valve rod and a valve drive mechanism, wherein when the shut-off valve is in the opening and closing states, an assembling unit formed by the primary valve element, the limit disc and thesecondary valve element vertically move, free stroke set in the primary valve element enables the position of the primary valve element to be automatically corrected under the action of the fluid pressure, the secondary valve element does not apply pushing force on the primary valve element downward after the valve elements are all closed in place, the condition that one valve element influencesthe sealing performance of</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN111188911A |
| source | esp@cenet |
| 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 | Quick-repair wash-free dual-valve-element shut-off valve convenient to replace |
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