Improved jack safety device for subway civil defence partitiondoor
A technology of safety device and partition door, which is applied to the fastening devices of wing sashes, building fastening devices, buildings, etc., can solve the problems of bad consequences of normal operation of subway vehicles, hidden dangers of subway vehicles, and free rotation of door leaves, etc. The effect of avoiding irrelevant personnel contact, smooth operation and cost saving
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[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0012] Such as figure 1 As shown, an improved jack safety device for subway civil air defense partition doors according to the present invention, it includes a housing 2 arranged on the door leaf 1, and a sleeve 3 is provided at the lower part of the housing 2, and the sleeve 3 The lower end of the tube 3 protrudes from the housing 2, and a lock head 4 is arranged inside the casing 3. The upper end of the lock head 4 is connected to the rotating arm 6 through the pin shaft I5, and the rotating arm 6 is connected to the rotating arm 6 through the pin shaft II7. The shells 2 are connected, a movable handle 8 is provided at the upper end of the rotating arm 6, a lock seat 9 is provided on the floor corresponding to the lower end of the lock head 4, and a limit hole I10 is provided on the lock seat 9, A limit hole II11 is provided at the lower part of the ...
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