Electric screwdriver capable of retracting screwdriver bit automatically if not being used

A technology of electric screwdriver and screwdriver head, which is applied to screwdrivers, motor tools, wrench, etc., can solve the problems of loss and waste, and achieve the effect of preventing collision and falling

Inactive Publication Date: 2018-10-26
田林丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional electric screwdriver needs to take out the screwdriver head after use. When you forget to take it out, it is easy to lose it. You have to buy the whole set of tools again, which causes a certain amount of waste.

Method used

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  • Electric screwdriver capable of retracting screwdriver bit automatically if not being used
  • Electric screwdriver capable of retracting screwdriver bit automatically if not being used
  • Electric screwdriver capable of retracting screwdriver bit automatically if not being used

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Embodiment Construction

[0021] The present invention is specifically described below in conjunction with accompanying drawing, as Figure 1-5 As shown, an electric screwdriver that automatically retracts the screwdriver head when not in use includes a base 1, the base 1 is located above the ground, an armrest mechanism and a telescopic mechanism are respectively provided above the base 1, and a telescopic mechanism is provided above the telescopic mechanism. There is an electric screwdriver mechanism, a head changing mechanism is arranged above the electric screwdriver mechanism, and the armrest mechanism is composed of a protective shell 2 fixedly connected above the base 1, a hand fixing frame 3 fixedly connected on the outer side surface of the protective shell 2, and a The hand lock 4 fixedly connected above the hand fixed mount 3, the hand fixed bearing 5 installed on the hand fixed mount 3, the hand fixed movable shaft 6 inserted on the hand fixed bearing 5, fixed with the hand The movable shaf...

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PUM

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Abstract

The invention discloses an electric screwdriver capable of retracting a screwdriver bit automatically if not being used. The electric screwdriver comprises a base which is characterized in that the base is located on the ground; a handrail mechanism and a telescopic mechanism are separately arranged above the base; an electric screwdriver mechanism is arranged above the telescopic mechanism; a bitreplacing mechanism is arranged above the electric screwdriver mechanism; a controller is arranged on the outer surface of a protecting shell; a battery pack is arranged in the protecting shell; a power supply input end of the controller is electrically connected to a power supply output end of the battery pack while a power supply output end of the controller is electrically connected to a handfixing linear motor, a telescopic linear motor, a telescopic pressure sensor, a power motor, a temperature sensor, a rotating speed coder and the bit replacing mechanism, separately; a signal output end of the controller is electrically connected to the hand fixing linear motor, the telescopic linear motor and the power motor, separately; and a signal input end of the controller is electrically connected to the telescopic pressure sensor, the temperature sensor, the rotating speed coder and the bit replacing mechanism, separately. The electric screwdriver disclosed by the invention has the beneficial effects of being simple in structure and high in practicality.

Description

technical field [0001] The invention relates to the field of electric tools, in particular to an electric screwdriver which automatically retracts the screwdriver head when not in use. Background technique [0002] The traditional electric screwdriver needs to take out the screwdriver head after use, and it is easy to lose it if you forget to take it out, so you have to buy the whole set of tools again, which causes a certain amount of waste. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned problems, and an electric screwdriver that automatically retracts the screwdriver head when not in use is designed. [0004] To achieve the above object, the technical solution of the present invention is an electric screwdriver that automatically retracts the screwdriver head when not in use, including a base, the base is located above the ground, and an armrest mechanism and a telescopic mechanism are respectively provided above th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B21/00B25B23/00B25B23/16
CPCB25B21/00B25B23/00B25B23/16
Inventor 吴新华
Owner 田林丽
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