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Labor-saving spanner safety hammer

A technology of safety hammer and wrench, which is applied in the direction of vehicle safety arrangement, pedestrian/passenger safety arrangement, multi-purpose hand tools, etc., and can solve problems such as laborious use, troublesome, unsuitable, etc.

Active Publication Date: 2014-05-14
WUXI FUMEI LIGHT ALLOY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Among the on-board tools for cars, a socket wrench for screwing nuts for changing tires is usually provided in the factory. Since the length of the socket rod is relatively short, about 250 mm in length, it is very laborious and troublesome to use, and some people with weak physical strength cannot use it at all.
In addition, ordinary passenger cars are not equipped with a safety hammer for knocking on the glass. When the door cannot be opened in an accident, there is no tool to knock on the glass.

Method used

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Examples

Experimental program
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Embodiment Construction

[0026] Below in conjunction with accompanying drawing, invention is described in further detail.

[0027] refer to figure 1 , figure 2 and image 3 . The labor-saving wrench safety hammer includes a wrench head cover 1, a wrench head 2, a shift fork 3 and a wrench rod 9. The wrench head 2 and the shift fork 3 can be rotatably installed on the wrench head cover 1, the wrench rod 9 is threadedly connected with the wrench head cover 1, and the wrench rod 9 is telescopic. The wrench head 2 is provided with a gear 21, and the shift fork 3 is provided with a tooth 31, and the tooth 31 is meshed with or separated from the gear 21 by rotating the shift fork 3. The teeth 31 on the shift fork 3 include a first tooth 311 and a second tooth 312 which are not connected. When the shift fork 3 is pulled clockwise until the shift fork 3 is in contact with the gear 21 , the first tooth 311 meshes with the gear 21 . When the shift fork 3 is pulled counterclockwise until the shift fork 3 ...

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PUM

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Abstract

The invention discloses a labor-saving spanner safety hammer which comprises a driving end cover, a driving end and a shifting fork. The driving end and the shifting fork are both installed on the driving end cover in a rotatable mode. The driving end is provided with a gear. The shifting fork is provided with teeth. The shifting fork is rotated so that the teeth can be meshed with or detached from the gear. When the shifting fork is rotated to make the teeth be meshed with the gear, the meshing positions serve as force points, and a nut can be easily loosened by the driving end under the lever effect. The driving end can be used as a hammerhead, the function of a safety hammer is also achieved, and the labor-saving spanner safety hammer is simple in structure and convenient to use.

Description

technical field [0001] The invention relates to a vehicle-mounted tool, in particular to a labor-saving wrench safety hammer. Background technique [0002] Among the on-board tools for cars, a socket wrench for screwing nuts for changing tires is usually provided in the factory. Since the length of the socket rod is relatively short, about 250 mm in length, it is very laborious and troublesome to use, and some weak people cannot use it at all. . In addition, ordinary passenger cars are not equipped with a safety hammer for knocking on the glass. When the door cannot be opened in an accident, there is no tool to knock on the glass. Contents of the invention [0003] The object of the present invention is to provide a labor-saving wrench safety hammer with the function of a safety hammer, which has a simple structure and is easy to use. [0004] According to one aspect of the present invention, a labor-saving wrench safety hammer is provided. There are teeth on the top, a...

Claims

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Application Information

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IPC IPC(8): B25F1/00B60R21/02
Inventor 魏峰丁汉林
Owner WUXI FUMEI LIGHT ALLOY TECH
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