Anti-vibration torque sensing and control device for tools

Abstract

A torque sensing and control device for tools comprises: a torque sensing and transmitting adapter fabricated with rib structure and mounted on or built in a fastening tool; at least a torque sensor secured on at least a rib evenly spaced and formed on the adapter and operatively sensing a torque signal when applying a torque on a work or object when rotatably operating the fastening tool; and a digital display control module operatively receiving the torque signal, displaying a torque data and generating an audio or visual warning signal for reminding the user for stopping operation of the fastening tool, or for switching off power or air supply to the fastening tool, and or actuating a delay control to restart a next fastening operation in a pre-determined time interval.

Description

BACKGROUND OF THE INVENTION[0001]A conventional tool for fastening screws or bolts is not provided means for knowing an applying torque whether it is enough or not for tightly fastening the screws or bolts on a work piece. If the torque is not enough to fasten the screws or bolts, the work piece may be easily loosened due to vibration, thereby easily causing danger. If it is too tight, the screws or bolts may be destructed as subjected to undurable torque force (such as over the yield point thereof) to thereby damage the work piece instantly.[0002]In order to sense a torque for a rotating member, U.S. Pat. No. 7,307,517 disclosed a wireless torque sensor which is located on the rotating member to generate signals indicative of a torque associated with the rotating member to sense the torque. Such a prior art comprises a torque sensing element configured upon a substrate in association with an antenna for sending and receiving wireless signals and adhered on the rotating member. Howe...

AI Technical Summary

Benefits of technology

"The present invention is a device that allows for sensing and control of torque in tools. It includes a torque sensor attached to a fastening tool, which senses the torque when the tool is rotated. The sensor sends a signal to a display control module, which displays the torque data and can also generate warnings or delay controls to remind the user to stop or switch off the tool. The technical effect of this invention is to provide a more precise and efficient way to control the torque in fastening tools, which can improve the quality and efficiency of the fastening process."

Problems solved by technology

A conventional tool for fastening screws or bolts is not provided means for knowing an applying torque whether it is enough or not for tightly fastening the screws or bolts on a work piece.

If the torque is not enough to fasten the screws or bolts, the work piece may be easily loosened due to vibration, thereby easily causing danger.

If it is too tight, the screws or bolts may be destructed as subjected to undurable torque force (such as over the yield point thereof) to thereby damage the work piece instantly.

However, when subjected to high-speed rotation of the rotating member, a great centrifugal force may easily release torque sensor from the rotating member, or under violent vibration especially when the bonding adhesive is aged and delaminated, thereby losing the sensing effect of the torque sensor.

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