Direct-current double-tone electric bell
The direct-current double-tone electric bell comprises a magnet yoke frame, an upper copper bell and a lower copper bell are fixed to the upper end and the lower end of the magnet yoke frame respectively, a coil assembly is obliquely arranged on the magnet yoke frame, a copper pipe is arranged in th...
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| creator | WANG KAI GAO ZHIHU |
| description | The direct-current double-tone electric bell comprises a magnet yoke frame, an upper copper bell and a lower copper bell are fixed to the upper end and the lower end of the magnet yoke frame respectively, a coil assembly is obliquely arranged on the magnet yoke frame, a copper pipe is arranged in the coil assembly, an electric hammer is arranged in the copper pipe, and the two ends of the electric hammer correspond to the inner wall of the upper copper bell and the inner wall of the lower copper bell respectively. A spring is arranged between the electric hammer and the copper pipe, and the electric hammer reciprocates in the copper pipe under the action of the coil assembly and the spring to respectively knock the upper copper bell and the lower copper bell; the utility model has the advantages of simple structure, reasonable design, direct-current driving, double-tone and sound combination, vigorous pronunciation, capability of being used for automobiles and other occasions with direct-current power supplie |
| format | Patent |
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A spring is arranged between the electric hammer and the copper pipe, and the electric hammer reciprocates in the copper pipe under the action of the coil assembly and the spring to respectively knock the upper copper bell and the lower copper bell; the utility model has the advantages of simple structure, reasonable design, direct-current driving, double-tone and sound combination, vigorous pronunciation, capability of being used for automobiles and other occasions with direct-current power supplie</description><language>chi ; eng</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; PHYSICS ; SOUND-PRODUCING DEVICES</subject><creationdate>2023</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=20230324&DB=EPODOC&CC=CN&NR=218729879U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230324&DB=EPODOC&CC=CN&NR=218729879U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG KAI</creatorcontrib><creatorcontrib>GAO ZHIHU</creatorcontrib><title>Direct-current double-tone electric bell</title><description>The direct-current double-tone electric bell comprises a magnet yoke frame, an upper copper bell and a lower copper bell are fixed to the upper end and the lower end of the magnet yoke frame respectively, a coil assembly is obliquely arranged on the magnet yoke frame, a copper pipe is arranged in the coil assembly, an electric hammer is arranged in the copper pipe, and the two ends of the electric hammer correspond to the inner wall of the upper copper bell and the inner wall of the lower copper bell respectively. A spring is arranged between the electric hammer and the copper pipe, and the electric hammer reciprocates in the copper pipe under the action of the coil assembly and the spring to respectively knock the upper copper bell and the lower copper bell; the utility model has the advantages of simple structure, reasonable design, direct-current driving, double-tone and sound combination, vigorous pronunciation, capability of being used for automobiles and other occasions with direct-current power supplie</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>PHYSICS</subject><subject>SOUND-PRODUCING DEVICES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBwySxKTS7RTS4tKkrNK1FIyS9NyknVLcnPS1VIzQHKFGUmKySl5uTwMLCmJeYUp_JCaW4GJTfXEGcP3dSC_PjU4oLE5NS81JJ4Zz8jQwtzI0sLc8vQUGOiFAEAKhQpQA</recordid><startdate>20230324</startdate><enddate>20230324</enddate><creator>WANG KAI</creator><creator>GAO ZHIHU</creator><scope>EVB</scope></search><sort><creationdate>20230324</creationdate><title>Direct-current double-tone electric bell</title><author>WANG KAI ; GAO ZHIHU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN218729879UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>PHYSICS</topic><topic>SOUND-PRODUCING DEVICES</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG KAI</creatorcontrib><creatorcontrib>GAO ZHIHU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG KAI</au><au>GAO ZHIHU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Direct-current double-tone electric bell</title><date>2023-03-24</date><risdate>2023</risdate><abstract>The direct-current double-tone electric bell comprises a magnet yoke frame, an upper copper bell and a lower copper bell are fixed to the upper end and the lower end of the magnet yoke frame respectively, a coil assembly is obliquely arranged on the magnet yoke frame, a copper pipe is arranged in the coil assembly, an electric hammer is arranged in the copper pipe, and the two ends of the electric hammer correspond to the inner wall of the upper copper bell and the inner wall of the lower copper bell respectively. A spring is arranged between the electric hammer and the copper pipe, and the electric hammer reciprocates in the copper pipe under the action of the coil assembly and the spring to respectively knock the upper copper bell and the lower copper bell; the utility model has the advantages of simple structure, reasonable design, direct-current driving, double-tone and sound combination, vigorous pronunciation, capability of being used for automobiles and other occasions with direct-current power supplie</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES |
| title | Direct-current double-tone electric bell |
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