http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-209089317-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4c7740c13c1e60bd899dfb48365945c4 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05K5-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05K5-02 |
| filingDate | 2018-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_297441feca018d150d7c1f8752783fea |
| publicationDate | 2019-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-209089317-U |
| titleOfInvention | A kind of communication apparatus case ventilation water-tight device |
| abstract | The utility model belongs to water-proof ventilation engineering device technique field, more particularly, to a kind of communication apparatus case ventilation water-tight device.The upper end of the pedestal that is screwed on is provided with seal washer, the upper end of seal washer is provided with primary watertightness rubber ring, the upper end of primary watertightness rubber ring is successively connected with second level waterproof rubber ring, three-level waterproof rubber ring and level Four waterproof rubber ring by rubber muscle, and second level waterproof rubber ring, three-level waterproof rubber ring and level Four waterproof rubber ring successively reduce；In addition, being provided with ventilation nylon wire between adjacent waterproof rubber ring；The upper end of the level Four waterproof rubber ring is provided with stretch ring.It is able to carry out telescopic adjustment transformation form, realize ventilated state and sealing waterproof state switching, to guarantee ventilation safety of the ventilation opening of communication apparatus case when moist or rainy, avoids the problem that the ventilation opening of Conventional communication equipment box is exposed under rainy environment and intake and lead to equipment moisture damage. |
| priorityDate | 2018-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID962 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419512635 |
Total number of triples: 14.