Dustproof noise reduction protective cover
The utility model provides a dustproof noise reduction protective cover which comprises a protective sleeve and a fixing block, the protective sleeve is hollow, one end of the protective sleeve is an open end, the other end of the protective sleeve is provided with a connecting hole, a spring is arr...
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| creator | TIAN YUANKAI |
| description | The utility model provides a dustproof noise reduction protective cover which comprises a protective sleeve and a fixing block, the protective sleeve is hollow, one end of the protective sleeve is an open end, the other end of the protective sleeve is provided with a connecting hole, a spring is arranged in the protective sleeve, and the wall of the spring is matched with the inner wall of the protective sleeve in an abutting mode. The fixing block is arranged on the inner side of the other end of the protective sleeve, the fixing block is fixedly connected with the protective sleeve and the spring, a fixing hole corresponding to the connecting hole is formed in the fixing block, the diameter of the fixing hole is larger than that of the connecting hole, and a water absorption sponge is arranged on the inner wall of the protective sleeve. And the drilling operation cover is arranged in the protective sleeve, so that dust raising is avoided, and a certain noise reduction effect can be achieved.
本实用新型提出了一种防尘降噪防 |
| format | Patent |
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本实用新型提出了一种防尘降噪防</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>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>TRANSPORTING</subject><subject>WORKING CEMENT, CLAY, OR STONE</subject><subject>WORKING STONE OR STONE-LIKE MATERIALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNByKS0uKSjKz09TyMvPLE5VKEpNKU0uyczPUwCKlqQCmWWpCsn5ZalFPAysaYk5xam8UJqbQcnNNcTZQze1ID8-tbggMTk1L7Uk3tnPyNDEwtzQwtA0NNSYKEUA0HEqhA</recordid><startdate>20211126</startdate><enddate>20211126</enddate><creator>TIAN YUANKAI</creator><scope>EVB</scope></search><sort><creationdate>20211126</creationdate><title>Dustproof noise reduction protective cover</title><author>TIAN YUANKAI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN214871815UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</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>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>TRANSPORTING</topic><topic>WORKING CEMENT, CLAY, OR STONE</topic><topic>WORKING STONE OR STONE-LIKE MATERIALS</topic><toplevel>online_resources</toplevel><creatorcontrib>TIAN YUANKAI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TIAN YUANKAI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Dustproof noise reduction protective cover</title><date>2021-11-26</date><risdate>2021</risdate><abstract>The utility model provides a dustproof noise reduction protective cover which comprises a protective sleeve and a fixing block, the protective sleeve is hollow, one end of the protective sleeve is an open end, the other end of the protective sleeve is provided with a connecting hole, a spring is arranged in the protective sleeve, and the wall of the spring is matched with the inner wall of the protective sleeve in an abutting mode. The fixing block is arranged on the inner side of the other end of the protective sleeve, the fixing block is fixedly connected with the protective sleeve and the spring, a fixing hole corresponding to the connecting hole is formed in the fixing block, the diameter of the fixing hole is larger than that of the connecting hole, and a water absorption sponge is arranged on the inner wall of the protective sleeve. And the drilling operation cover is arranged in the protective sleeve, so that dust raising is avoided, and a certain noise reduction effect can be achieved.
本实用新型提出了一种防尘降噪防</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN214871815UU |
| source | esp@cenet |
| 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 PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS |
| title | Dustproof noise reduction protective cover |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-08T07%3A09%3A06IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=TIAN%20YUANKAI&rft.date=2021-11-26&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN214871815UU%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |