Novel ratchet wheel telescopic screwdriver

Abstract

The invention discloses a novel ratchet wheel telescopic screwdriver which comprises a pawl, a pawl reset spring, a telescopic rod assembly, a sliding locking sleeve, a retaining ring, a first locking steel ball and an inner tooth type ratchet wheel, wherein the telescopic rod assembly comprises a screwdriver head sleeve, strong magnetic steel, a hexagonal sliding rod and a retaining spring; the retaining ring and the first locking steel ball are arranged in the sliding locking sleeve, and a locking sleeve reset spring is arranged on the inner surface of the sliding locking sleeve. The novel ratchet wheel telescopic screwdriver has the advantages that the appearance size is small, the product machining precision is high, when the product is used, the ratchet wheel makes clear sound during rotating, the torsion value is large, the torsion value of the product can reach 52-55 N.m, and the ratchet wheel structure is easy to operate and convenient to use; and meanwhile, the product is accurate in positioning and convenient to use by a user, due to the ratchet wheel structure, the working part can stretch out and draw back, the operation time of the user can be greatly saved, and the working efficiency is improved. In addition, due to the fact that the overall appearance size of the product is small, the product is convenient to package and carry.

Description

technical field [0001] The invention relates to the technical field of hand tools, in particular to a novel retractable ratchet screwdriver. Background technique [0002] At present, the existing ratchet screwdrivers on the market are generally large in size and heavy in weight. The torque value of the product is small, there is no expansion and exchange function, and the user experience is poor, which cannot better improve user satisfaction. [0003] Existing screwdrivers cannot easily adjust the screw head during use, and the length of the screwdriver cannot be changed according to the actual use range, and the screwdriver cannot be more labor-saving. For example, the screwdriver disclosed by the application number 200710094025. , problems such as narrow scope of use. [0004] Therefore, it is necessary to invent a kind of novel ratchet retractable screwdriver to solve the above problems. Contents of the invention [0005] The purpose of the present invention is to pro...

AI Technical Summary

Problems solved by technology

[0005] The purpose of this invention is to provide a new ratchet retractable screwdriver to solve the problems of being bulky, difficult to carry and unable to be retracted and interchanged in the technology

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