Fireproof check valve
The utility model provides a fireproof check valve which comprises a valve body, a valve seat, a valve plate and an opening stopping mechanism, the valve seat is fixed in the valve body, and an exhaust port is formed in the valve seat; the valve plate is arranged on the valve body in an openable and...
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| creator | JIANG GUANGQIONG NIE FAYU TAN YUANSHENG |
| description | The utility model provides a fireproof check valve which comprises a valve body, a valve seat, a valve plate and an opening stopping mechanism, the valve seat is fixed in the valve body, and an exhaust port is formed in the valve seat; the valve plate is arranged on the valve body in an openable and closable manner and can cover the exhaust port; the opening stopping mechanism is used for limitingthe valve plate at the valve closing position; wherein the opening stopping mechanism comprises a mounting seat, an opening stopping connecting rod, a fuse link and a return spring, and the mountingseat is detachably arranged on the valve body and located below the side, away from the valve seat, of the valve plate; a first rotating shaft is arranged on the mounting base, the return spring is arranged on the first rotating shaft in a sleeving mode, and the rotating end of the opening stopping connecting rod is hinged to the first rotating shaft and tightly presses the return spring; one endof the fuse link is fixed o |
| format | Patent |
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the valve plate is arranged on the valve body in an openable and closable manner and can cover the exhaust port; the opening stopping mechanism is used for limitingthe valve plate at the valve closing position; wherein the opening stopping mechanism comprises a mounting seat, an opening stopping connecting rod, a fuse link and a return spring, and the mountingseat is detachably arranged on the valve body and located below the side, away from the valve seat, of the valve plate; a first rotating shaft is arranged on the mounting base, the return spring is arranged on the first rotating shaft in a sleeving mode, and the rotating end of the opening stopping connecting rod is hinged to the first rotating shaft and tightly presses the return spring; one endof the fuse link is fixed o</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 ; 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the valve plate is arranged on the valve body in an openable and closable manner and can cover the exhaust port; the opening stopping mechanism is used for limitingthe valve plate at the valve closing position; wherein the opening stopping mechanism comprises a mounting seat, an opening stopping connecting rod, a fuse link and a return spring, and the mountingseat is detachably arranged on the valve body and located below the side, away from the valve seat, of the valve plate; a first rotating shaft is arranged on the mounting base, the return spring is arranged on the first rotating shaft in a sleeving mode, and the rotating end of the opening stopping connecting rod is hinged to the first rotating shaft and tightly presses the return spring; one endof the fuse link is fixed o</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>eNrjZBB1yyxKLSjKz09TSM5ITc5WKEvMKUvlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxzn5GhgZmZoamhuahocZEKQIAs8Uh0g</recordid><startdate>20200602</startdate><enddate>20200602</enddate><creator>JIANG GUANGQIONG</creator><creator>NIE FAYU</creator><creator>TAN YUANSHENG</creator><scope>EVB</scope></search><sort><creationdate>20200602</creationdate><title>Fireproof check valve</title><author>JIANG GUANGQIONG ; 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the valve plate is arranged on the valve body in an openable and closable manner and can cover the exhaust port; the opening stopping mechanism is used for limitingthe valve plate at the valve closing position; wherein the opening stopping mechanism comprises a mounting seat, an opening stopping connecting rod, a fuse link and a return spring, and the mountingseat is detachably arranged on the valve body and located below the side, away from the valve seat, of the valve plate; a first rotating shaft is arranged on the mounting base, the return spring is arranged on the first rotating shaft in a sleeving mode, and the rotating end of the opening stopping connecting rod is hinged to the first rotating shaft and tightly presses the return spring; one endof the fuse link is fixed o</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN210661517UU |
| 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 | Fireproof check valve |
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