Fire-fighting smoke sensor
The invention discloses a fire-fighting smoke sensor, and the sensor comprises a fastening housing sleeve and a smoke sensor, which are fixedly installed in a building. The upper end of the smoke sensor is fixedly provided with a clamping part, and the top end of the clamping part is provided with a...
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| Main Author | |
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| Format | Patent |
| Language | Chinese English |
| Published |
07.11.2017
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| Subjects | |
| Online Access | Get full text |
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| Summary: | The invention discloses a fire-fighting smoke sensor, and the sensor comprises a fastening housing sleeve and a smoke sensor, which are fixedly installed in a building. The upper end of the smoke sensor is fixedly provided with a clamping part, and the top end of the clamping part is provided with a signal receiving convex block. Two side surfaces of the clamping part are also provided with locking grooves. The central part of the fastening housing sleeve is provided with a clamping groove cooperating 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, which are respectively communicated with the clamping groove. The left and right sliding grooves 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 sid |
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| Bibliography: | Application Number: CN2017190316 |