Self-help rescue device for expanding and shearing

Abstract

The invention provides a self-help rescue device for expanding and shearing. The self-help rescue device for expanding and shearing comprises an upper bottom plate, a lower bottom plate, a threaded rod, a movable rotary type nut, a handle, a ratchet wheel and a connecting shaft. The upper bottom plate and the lower bottom plate intersect, wherein one end of the upper bottom plate and the lower bottom plate forms an opening portion, the other end of the upper bottom plate and the lower bottom plate forms an engagement portion, and the engagement portion is provided with a shearing mechanism. The threaded rod penetrates through the opening portion and is connected with the upper bottom plate and the lower bottom plate. A slotted hole is formed in the upper bottom plate. The movable rotary type nut is connected with the threaded rod in a threaded mode. The two ends of the movable rotary type nut are respectively provided with a lug portion. The lug portions penetrate through the slotted hole and are connected with the upper bottom plate. The ratchet wheel is arranged on the upper portion of the lower bottom plate and is connected with the threaded rod. The handle is connected with the ratchet wheel. The connecting shaft penetrates through the upper bottom plate and the lower bottom plate at the intersection position of the upper bottom plate and the lower bottom plate and is connected with the upper bottom plate and the lower bottom plate in an inserted mode.

Description

technical field [0001] The invention relates to a rescue device, in particular to a dual-purpose self-help rescue device for expansion and shearing. Background technique [0002] According to statistics, at present, nearly 500,000 people die in car accidents and 13 million are disabled every year in the world. On average, about 150 people die in traffic accidents every day in our country. Among them, some of the deaths or disabilities were caused by untimely rescue. [0003] In real life, there are only two obstacles to smooth rescue after a car accident: one is that a person's limbs are squeezed or stuck in the car, and the other is that the door is hit or squeezed, and the door cannot be opened smoothly to escape. For example, when a car accident occurs, the most common accident is that after the car is hit frontally, the dashboard of the car collapses and the legs of the people in the driver's seat and the passenger seat are squeezed, or the door is damaged when the car...

AI Technical Summary

Problems solved by technology

[0003] In real life, there are only two obstacles to smooth rescue after a car accident: one is that people’s limbs are squeezed or stuck in the car, and the other is that the door is hit or squeezed, and the door cannot be opened smoothly to escape

For example, when a car accident occurs, the most common accident is that after the car is hit frontally, the dashboard of the car collapses and the legs of the people in the driver's seat and the passenger seat are squeezed, or the door is damaged when the car is hit from the side. cannot be opened normally, and the injured are trapped inside and unable to escape

Companions or bystanders are often helpless because they have no rescue tools. However, due to traffic, weather, communication and other reasons, rescuers cannot arrive at the scene in time, which is very likely to threaten the lives of the injured.

[0004] At present, the professional rescue tools already on the market include electric or hydraulic / pneumatic ones. However, electric rescue tools require an external power supply, and hydraulic / pneumatic rescue tools require a hydraulic cylinder / air cylinder, which are not easy to carry. Rescue tools are good, but it is difficult to spread them to the public

Moreover, professional rescue tools are expensive, and it is not easy to popularize. In addition, electric rescue tools also have the disadvantage that the reliability cannot be guaranteed in times of crisis.

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