a screwdriver

A screwdriver and gear ring technology, which is applied in the field of speed-increasing bidirectional manual screwing tools, can solve the problems of direction conversion and speed-increasing devices occupying a large space and weight, complex tool making, and complex structure, etc. Small space and weight, easy to produce effects

Active Publication Date: 2019-12-24
HANGZHOU GREAT STAR TOOLS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing screwdrivers or wrenches, the direction conversion and speed-up devices are implemented by different components, and the structure is relatively complicated, which makes the tool production more complicated. At the same time, the space and weight occupied by the direction-change and speed-up devices are relatively large

Method used

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Embodiment Construction

[0102] Both clockwise and counterclockwise refer to the clockwise and counterclockwise directions when viewed from the handle of the screwdriver to the direction of the screwdriver.

[0103] figure 1 is a front view of a screwdriver including a step-up bi-directional mechanical converter in one embodiment of the present invention, figure 2 yes figure 1 Cutaway view of the screwdriver shown, as figure 1 , figure 2 As shown, the screwdriver including the speed-increasing bidirectional mechanical converter in this embodiment includes: a screwdriver 11, a dial cover 15, a holding device and a handle 13, and the screwdriver also includes a speed-increasing bidirectional mechanical converter arranged inside the holding device. mechanical converter.

[0104] In this embodiment, the holding device is a holding ring 14, and the holding ring 14 is a cylindrical ring structure.

[0105] image 3 yes figure 1 An exploded view of the step-up bi-directional mechanical converter of ...

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Abstract

The invention provides a speed-increase bidirectional mechanical converter which comprises a spindle and a speed-increase planetary gear mechanism. The speed-increase planetary gear mechanism comprises a first gear ring, planetary gears, a sun gear and a planet carrier, wherein the planetary gears are mounted on the planet carrier and located between the first gear ring and the sun gear, and the first gear ring and the sun gear are opposite in rotating direction. The speed-increase bidirectional mechanical converter further comprises a reversing device, and the first gear ring and the sun gear drive the spindle through the reversing device. When the converter is used, the planet carrier is kept still, clockwise or anticlockwise moment is input to the first gear ring, and the spindle rotates in the preset direction. According to the speed-increase bidirectional mechanical converter, direction conversion is achieved through the speed-increase planetary gear mechanism, so that the speed-increase bidirectional mechanical converter is simple in structure and convenient to manufacture, and meanwhile the occupied space of the converter in a tool and the weight of the converter are reduced. The invention further provides a screwdriver and a spanner, and the screwdriver and the spanner are both provided with the speed-increase bidirectional mechanical converter.

Description

technical field [0001] The invention relates to hand tools, more specifically, to a speed-increasing bidirectional hand screwing tool. Background technique [0002] Manual twisting tools are tools used to twist workpieces and force them into place, usually including screwdrivers, wrenches, etc. [0003] In order to improve efficiency, the existing screwdriver or wrench has a mechanical converter, which includes a main shaft and two driving parts, the two driving parts rotate in opposite directions, and the two driving parts are respectively driven by one-way clutches with the same acting direction spindle. When torque is input to the driving part, one of the two driving parts drives the main shaft to rotate, and the other one idles relative to the main shaft, so that the input torque in any direction can be effectively utilized, that is, no matter whether the input torque is clockwise or counterclockwise, the main shaft All turn in one direction, which greatly increases th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B23/00B25B15/04B25B13/46
Inventor 王暋
Owner HANGZHOU GREAT STAR TOOLS
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