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Electric wrench

An electric wrench and wrench technology, applied in the field of wrenches, can solve problems such as hidden safety hazards, easy misoperation, no protection switch, etc., and achieve the effect of high safety and increased height

Pending Publication Date: 2017-11-10
YONGKANG JIAHONG TOOLS MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing electric wrench does not have a protection switch, and it is easy to misuse it when using it, resulting in potential safety hazards

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0035] Below in conjunction with each accompanying drawing, the present invention is described in detail.

[0036] Such as figure 1 and 2 As shown, an electric wrench includes a wrench body 1 and a battery pack 2 located outside the wrench body 1. The battery pack 2 is connected to the wrench body 1 through a power cord 3. The battery pack 2 includes a package body 7 and is arranged in the package body 7. There are several straps 8 on the outside of the package body 7 .

[0037] Set the external battery pack 2, the battery is not limited by the volume of the wrench body 1, the capacity and voltage of the battery can be set larger; by setting the strap 8 on the pack body 7, people can carry the battery pack 2 on their backs, and can Reduce the burden on the hand, and it is more convenient to carry.

[0038] Such as figure 1 and 2 As shown, in this embodiment, there are two straps 8, and the battery pack 2 is a backpack battery pack 2. The form of the backpack is convenien...

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PUM

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Abstract

The invention discloses an electric wrench which comprises a wrench body, wherein the wrench body comprises a control handle and a main housing, wherein a power mechanism is mounted in the main housing and comprises a motor, the wrench body further comprises a controller, the motor is electrically connected with the controller, a starting switch is mounted on the control handle and electrically connected with the controller, the starting switch controls working of the motor through the controller, a protection switch is further mounted on the control handle which comprises a grip handle, the grip handle comprises a left holding part and a right holding part, the starting switch is mounted at one of the holding parts, the protection switch is mounted at the other holding part, and the starting switch and the protection switch are connected in series. According to the electric wrench, the starting switch and the protection switch are connected in series and arranged at the two holding parts respectively, that is only when the two hands hold the two holding parts respectively can the electric wrench be enabled to work, and the safety of the electric wrench can be high by the aid of the structural style.

Description

technical field [0001] The invention relates to a wrench, in particular to an electric wrench. Background technique [0002] An electric wrench is a wrench powered by a power supply or a battery. For example, the patent document CN 1036597011A discloses an electric wrench, including a motor, a casing, an inner sleeve, an outer sleeve, a planetary gear transmission mechanism, and a harmonic gear transmission. body and handle. The existing electric wrench does not have a protection switch, and it is easy to misoperate during use, resulting in potential safety hazards. Contents of the invention [0003] Aiming at the above problems, the present invention proposes an electric wrench with high safety factor. [0004] The technical scheme that the present invention takes is as follows: [0005] An electric wrench, comprising a wrench body, the wrench body includes a control handle and a main housing, a power mechanism is installed in the main housing, the power mechanism incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B21/00B25B23/16B25F5/02B25B21/02
CPCB25B21/00B25B21/02B25B23/16B25F5/02
Inventor 徐武民章加洪
Owner YONGKANG JIAHONG TOOLS MFR