Novel safety device for drilling building materials

Abstract

The invention relates to a novel safety device for drilling building materials. The novel safety device comprises an inner cylinder, an inner limiting ring is arranged at the bottom end of the vertical inner side wall of the inner cylinder, an outer cylinder is arranged outside the inner cylinder, an upper annular plate is fixedly arranged at the top end of the vertical outer side wall of the inner cylinder in a sleeving mode, a lower annular plate is fixedly arranged at the bottom end of the vertical outer side wall of the inner cylinder in a sleeving mode, a plurality of upper universal balls are uniformly arranged on the vertical outer side wall of the inner cylinder, a bottom annular plate is arranged at the bottom end of the vertical inner side wall of the outer cylinder, at least one telescopic rod is arranged at the bottom end of the lower annular plate, bottom universal balls are arranged at the bottom ends of the telescopic rods, spiral damping springs are arranged outside the telescopic rods in a sleeving mode, and an annular supporting plate is arranged at the bottom end of the vertical outer side wall of the outer cylinder in a sleeving mode. According to the structure, the building materials can be effectively and safely protected in the drilling process, the use performance can be greatly improved, and the building materials can be prevented from being damaged.

Description

Technical field [0001] The invention relates to a new type of safety device for drilling of building materials. Background technique [0002] In the field of architectural decoration construction, hand electric drills are often used to drill fragile building materials during engineering construction. Due to the high brittleness of fragile building materials, construction work without vibration damping will often cause damage to the building materials, which will cause greater economic losses. Therefore, there are also corresponding safety damping devices for installation and Support hand electric drill, used to realize soft drilling of building materials as much as possible during the drilling process. However, due to the limitation of structure and design, the current hand electric drill is still a rigid connection with the safety damping device, which makes the damping effect limited, so it is still easy to be caused by applying a rigid force to the building materials during t...

AI Technical Summary

Problems solved by technology

Due to the high brittleness of fragile building materials, construction work without vibration reduction will often lead to damage to building materials, which will cause large economic losses. Therefore, there are currently corresponding safety vibration reduction devices to install and Supports the hand drill for the gentlest possible drilling of building materials during drilling

However, due to structural and design constraints, the curren

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