Movable cross screwdriver

Abstract

A movable cross screwdriver comprises a screwdriver rod, an elastic element, an elastic ball and a plurality of movable blades. A handle is arranged at one end of the screwdriver rod, and a screwdriver blade is arranged at the other end of the screwdriver rod. The screwdriver blade comprises a screwdriver shell and an inner screwdriver rod arranged in the screwdriver shell. A space keeping space is formed by the screwdriver shell and the inner screwdriver rod. The elastic element is arranged on the inner screwdriver rod in a sleeving manner, and one end of the elastic element is in contact with one end face of the space keeping space. The elastic ball is arranged in the space keeping space and arranged on the inner screwdriver rod in a sleeving manner, and one end of the elastic ball is in contact with the other end of the elastic element. Bodies of the multiple movable blades penetrate the screwdriver shell, one end of each of the multiple movable blades is in contact with the other end of the elastic ball, and the side faces of the multiple movable blades penetrate the inner screwdriver rod. According to the screwdriver, screws of multiple types can be locked, therefore, the situation that for the purposes of convenience and fastness, threads are lock-scratched, and screwdriver blades are damaged is avoided, assembling and locking of products are more convenient and easier, and the work efficiency is improved more greatly.

Description

technical field [0001] The invention relates to a screwdriver, in particular to a movable Phillips screwdriver. Background technique [0002] In recent years, with the gradual improvement of people's quality requirements for 3C products around them, especially the demand for refinement, miniaturization, multi-function and resistance to harsh environments, the R&D and production capabilities of the 3C product industry are gradually being tested. At the same time, under the trend of changing demand, the screws used in 3C products are also developing towards the trend of high precision, high specifications, special materials, and strong corrosion resistance. However, the various types of screws also bring difficulties to the assembly of 3C products and locks. It is often necessary to equip multiple types of screwdrivers to complete the lock assembly of a complete product. [0003] Although the screwdriver sets appearing on the market can carry out the exchange of various types...

AI Technical Summary

Problems solved by technology

However, the various types of screws also bring difficulties to the assembly and locking of 3C products. It is often necessary to equip multiple types of screwdrivers to complete the locking assembly of a complete product.

[0003] Although the screwdriver sets appearing on the market can carry out the interchangeability of various types of screwdriver heads, but each time a type of screw is locked, the head needs to be replaced, which is cumbersome and complicated

Usually, for the sake of simplicity and quickness, a small screwdriver head is used to lock a large screw. In this case, there will always be a problem of locking the thread, and if the screwdriver is not rigid enough, the screwdriver head will be damaged.

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