Smoke-sensing fire detector

The invention discloses a smoke-sensing fire detector, and the detector comprises a fastening housing sleeve fixedly disposed in a building, and a smoke-sensing fire detector. The upper end of the smoke-sensing fire detector is fixedly provided with a clamping part, and the top of the clamping part...

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Bibliographic Details
Main Author HUANG CHANGYU
Format Patent
LanguageChinese
English
Published 07.11.2017
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:The invention discloses a smoke-sensing fire detector, and the detector comprises a fastening housing sleeve fixedly disposed in a building, and a smoke-sensing fire detector. The upper end of the smoke-sensing fire detector is fixedly provided with a clamping part, and the top of the clamping part is provided with a signal receiving projection. Two side surfaces of the clamping part are also provided with locking grooves. The center of the fastening housing sleeve is provided with a clamping groove matched with the clamping part. The top wall of the clamping groove is provided with a signal receiving elastic piece. Two sides of the fastening housing sleeve are correspondingly provided with a left sliding groove and a right sliding groove. The left and right sliding grooves are communicated with the clamping groove, and are respectively provided with a left locking pin and a right locking pin. Tension springs are respectively disposed between an outer side end of the left locking pin and an inner end wall of
Bibliography:Application Number: CN2017190319