Micro-pressure switch applicable to positive and negative pressure environments
The invention discloses a micro-pressure switch applicable to positive and negative pressure environments, which comprises a shell, a micro-switch, a force transmission mechanism and a pressure sensing mechanism, the micro-switch and the force transmission mechanism are arranged in the shell, the pr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a micro-pressure switch applicable to positive and negative pressure environments, which comprises a shell, a micro-switch, a force transmission mechanism and a pressure sensing mechanism, the micro-switch and the force transmission mechanism are arranged in the shell, the pressure sensing mechanism is connected to the lower end of the shell, and the pressure sensing mechanism is connected to the lower end of the shell. The upper end of the force transmission mechanism is in contact with the microswitch, and the lower end of the force transmission mechanism is connected with the pressure sensing mechanism; the pressure sensing mechanism comprises an upper cover, a lower cover and a diaphragm fixed between the upper cover and the lower cover, the upper cover is connected with the lower end of the shell, a pressure sensing cavity is formed between the upper cover and the diaphragm, and an exhaust hole is formed in the threaded connection part, used for being connected with the shell, of |
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