According to news from the financial industry on December 6, 2024, information from the State Intellectual Property Office shows that Beijing Bode Transportation Equipment Co., Ltd. has obtained a patent called \”A pneumatic auxiliary lock\”, and the authorization announcement number is CN 222101779 U, application date is April 2024.
The patent abstract shows that this application discloses a pneumatic auxiliary lock, which relates to the technical field of rail transit vehicle door locks, including a base plate, a load-bearing spindle, a driving part, a deadbolt reset assembly and a locking cam reset assembly. One end of the base plate is provided with a first positioning plate, a second positioning plate, and a third positioning plate that are parallel to each other. The load-bearing spindle passes through and is rotationally connected to the first positioning plate, the second positioning plate, and the third positioning plate. The load-bearing spindle is located at The first must A locking cam is provided on the shaft section between the position plate and the second positioning plate. The locking cam rotates with the bearing spindle. A locking tongue fixing shaft is also provided between the first positioning plate and the second positioning plate. The locking tongue fixing shaft The lock tongue is rotationally connected, and the locking cam contacts the lock tongue during rotation and drives the lock tongue to rotate to lock the door; the driving member is used to drive the load-bearing spindle to rotate; the lock tongue reset assembly and the locking cam reset assembly are both arranged at between the first positioning plate and the second positioning plate. This application has the effect of improving the maintainability of the door system.
This article comes from the financial world
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