Device for preventing nut from falling off for electric wrench
An anti-dropping device and electric wrench technology, which is applied in the field of wrenches, can solve problems such as environmental pollution and nut smashing
Active Publication Date: 2021-04-30
北京卓兴建设集团有限公司
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- Description
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- Application Information
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Problems solved by technology
[0004] In view of the above related technical solutions, the inventor found that after using the electric wrench to loosen the nut, people will involuntarily swing the rotation of the electric wrench downward, so that the nut inside the rotating head will fall under the action of its own gravity, which not only Pollution to the environment, and if people are working at heights, the nuts may injure people when they fall
Method used
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[0035] The application will be described in further detail below in conjunction with the accompanying drawings.
[0036] refer to figure 1 The present application provides a device for preventing nuts from falling off for an electric wrench. The electric wrench 1 includes a body 11 and a rotating head 12 arranged on one side of the body 11. The outer contour of the rotating head 12 is circular, and the inner contour is a regular hexagon. The length of the swivel head 12 is greater than the thickness of the nut, and there are multiple groups of anti-dropping devices 2 along the axis direction of the swivel head 12, and the distance between two adjacent sets of letting go devices is equal to the thickness of the nut. When the electric wrench 1 is working, the rotating head 12 is set on the nut to be loosened or tightened, and the body 11 can drive the nut to rotate through the rotating head 12. When the nut is loosened, the anti-falling device 2 inside the rotating head 12 can ...
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The invention relates to the field of wrenches, in particular to a device for preventing a nut from falling off for an electric wrench. The electric wrench comprises a body and a rotating head arranged on the body and matched with the nut in use, wherein the length of the rotating head is greater than the thickness of the nut; the device comprises mounting heads uniformly arranged in the side wall of the rotating shaft along a circumferential direction of the rotating head, a distance between the side surface, far away from the body, of each mounting head and the end surface of the rotating head is smaller than the thickness of the nut, a rabbet with a right triangle-shaped section is arranged at the end, close to a center axis of the rotating egad, of each mounting head, a right-angled surface of the rabbet is fixedly connected with the mounting head, a bevel of the rabbet is arranged far away from the body, and an elastic part capable of driving the mounting head to move toward a direction close to the center axis of the rotating head is arranged on the side, far away from the center axis of the rotating head, of the mounting head. The device has the advantages of reducing pollution to the environment and reducing the probability that the nut hurts people.
Description
technical field [0001] The present application relates to the field of wrenches, in particular to a nut drop prevention device for an electric wrench. Background technique [0002] At present, an electric wrench is a wrench powered by a power supply or a battery, and is used to screw in or loosen nuts. [0003] In the related art, the electric wrench includes a body and a rotating head arranged on the body that can rotate around its own axis, and the rotating head is adapted to the nut; after the nut is loosened by using the electric wrench, the loosened nut will follow the movement of the electric wrench. The swivel head is disengaged from the mounting position of the nut together, thus completing the process of loosening the nut. [0004] In view of the above related technical solutions, the inventor found that after using the electric wrench to loosen the nut, people will involuntarily swing the rotation of the electric wrench downward, so that the nut inside the rotatin...
Claims
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IPC IPC(8): B25B21/00B25B23/00
CPCB25B21/00B25B23/00B25B23/0064B25B23/0092
Inventor 王合顺杨建军高海庆陈杰平王振杰
Owner 北京卓兴建设集团有限公司