Digital display screwdriver

Digital display screwdriver

  • CN 102,431,001 B
  • Filed: 10/24/2011
  • Issued: 12/18/2013
  • Est. Priority Date: 10/24/2011
  • Status: Active Grant
First Claim
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1. a digital display screwdriver, is characterized in that, comprises runner assembly, commutation assembly, electronic building brick, sensor, power supply and handle;

  • Described handle inside is provided with accommodation space, and described commutation assembly, sensor and power supply are fixed in described accommodation space;

    Described runner assembly is fixedly connected with the commutation assembly, described sensor is fixedly connected with described runner assembly, described electronic building brick is connected with sensor, described power supply is connected with sensor electrical by electronic building brick, wherein, described runner assembly comprises screwdriver rod and turning cylinder, and described screwdriver rod is connected with turning cylinder;

    Described commutation assembly comprises reversing shaft, commutation piece and bearing;

    Described commutation piece is for controlling the direction of rotation of runner assembly, and the commutation piece is fixedly connected with described reversing shaft;

    Described reversing shaft is fixed in described handle by bearing, and described commutation piece is provided with for fixing the limited block of rotatory axis tooth post, and the commutation piece also is provided with for controlling limited block between reversing shaft is combined and the back-moving spring separated with the tooth post;

    The torque axis that described sensor will gather the runner assembly generation changes transducing signal into and passes to described electronic building brick, described electronic building brick comprises the circuit board for the treatment of transducing signal, for the display screen that shows torque parameter with for showing the indicator lamp of prefastening torque size;

    Described circuit board is electrically connected to respectively described display screen and described indicator lamp.

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