Connecting shaft structure of electric screwdriver
OwnerHsieh Yuan Liaoinventor
Life of this patent
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Abstract
An electric screwdriver connecting shaft that includes: an upper connecting shaft, a two-stage shaft hole with two different shapes in a shaft; and a lower connecting shaft, a two-stage shaft surface with two different shapes in a shaft; with the shaft corresponding to the upper connecting shaft and the lower connecting shaft, the hole is designed to the shaft hole coordinated with the two-stage shaft surface to achieve a guiding effect when combined, and to achieve better concentricity when connecting. It can also provide a more stable connecting effect to reduce the lock error and achieve good screw lock quality, and further prolong the service life of the connecting shaft.
Claims8
An electric screwdriver connecting shaft structure improvement, the connecting shaft includes:
- an upper connecting shaft is provided with a disc at the center of the overall non-length, and the disc is respectively provided with two shafts at the center of the two opposite sides, wherein one shaft has a two-stage shaft hole with two different shapes in the inside;
- and a lower connecting shaft is provided with a circular convex ring at the center of the overall length, and the circular convex ring is respectively provided with two shafts at the center of the two opposite sides, wherein one shaft has a two-stage shaft surface with two different shapes, and the two-stage shaft surface can be inserted into the two-stage shaft hole for a stable connection.
Dependencies are inferred from the claim text.