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Cross/slotted multi-purpose screwdriver

A screwdriver and cross-shaped technology, applied in the field of screwdrivers, can solve the problems of increased workload and achieve the effect of easy screwing, daily carrying and use by maintenance workers

Inactive Publication Date: 2016-08-17
HUZHOU VOCATIONAL TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many types, and the style of the screwdriver that can be tightened and loosened with it has to be varied. At present, there are many kinds of multi-purpose screwdrivers on the market. The head of this screwdriver can be removed for replacement. Compared with the non-replaceable integrated screwdriver, it is very convenient. However, just replacing the head also increases the workload to a certain extent

Method used

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  • Cross/slotted multi-purpose screwdriver
  • Cross/slotted multi-purpose screwdriver
  • Cross/slotted multi-purpose screwdriver

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0022] Such as figure 1 As shown, the cross / slotted multi-purpose screwdriver is modified according to the style of ordinary screwdrivers. Its appearance is the same as that of ordinary screwdrivers. It is different from the commonly used ones, but its screwdriver bit 1, screwdriver rod 2 and screwdriver handle 3 are all specially designed inside. It mainly uses the characteristics of automatic recovery and force shortening of spring 6 to Change the shape of the screwdriver bit 1 to automatically match the shape of the screw, so that the screw can be directly rotated when the screwdriver bit 1 is pressed against the surface of the screw, without needing to align the groove of the screw like an ordinary screwdriver.

[0023] Such as Figure 2-Figure 6 As shown, the cross / slotted multi-purpose screwdriver includes a screwdriver bit 1, a screwdriver s...

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Abstract

The present invention provides a cross / slotted multi-purpose screwdriver with flexible automatic matching, which is suitable for use in homes and factories, including a screwdriver head, a screwdriver shaft and a screwdriver handle, and the screwdriver head is composed of closely arranged triangular blades. , each triangular knife block is correspondingly connected to one end of a separate transmission rod, the transmission rod is wrapped in the inner space of the screwdriver rod, and the other end of each transmission rod is correspondingly connected to an independent spring located inside the screwdriver handle, using the elasticity of the spring to make The shape of the screwdriver bit can be diversified, which greatly improves the carrying capacity of the tool and improves work efficiency.

Description

technical field [0001] The invention belongs to the field of household daily tools, in particular to a frequently used screwdriver. Background technique [0002] Screws are everywhere in the modern urban jungle of reinforced concrete. Although they are small and inconspicuous, they are so indispensable. As small as daily household appliances, as large as automobiles, buildings, bridges, etc., its fixing function makes human beings inseparable from it. Because it is widely used, and its [0003] There are many types, and the style of the screwdriver that can be tightened and loosened with it has to be varied. At present, there are many kinds of multi-purpose screwdrivers on the market. The head of this screwdriver can be removed for replacement. Compared with the non-replaceable integrated screwdriver, it is very convenient. However, just replacing the head also increases the workload to a certain extent. Contents of the invention [0004] Without solving the deficiencie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B15/00B25B23/00
CPCB25B15/001B25B15/004B25B23/00
Inventor 顾文强朱建伟
Owner HUZHOU VOCATIONAL TECH COLLEGE
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