Screw lock

An anti-shedding and screw technology, applied in the direction of screws, nuts, bolts, etc., can solve problems such as the general ability of expansion sleeves to control the loosening of screws, prolong the validity period of screws, and hidden safety hazards, and achieve good anti-dropping ability and fixing effect. Excellent, high-safety results

Inactive Publication Date: 2016-08-17
TIANJIN DARENSHE METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As a widely used metal fixing part, the safety of the screw is of great significance. Any tiny screw falling off will cause a major safety hazard. In order to prevent the screw from loosening and falling off during use, expansion sleeves are usually used as auxiliary installation parts. However, the

Method used

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Example Embodiment

[0018] It should be noted that the embodiments in the invention and the features in the embodiments can be combined with each other if there is no conflict.

[0019] In the description of the invention, it should be understood that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The creation and simplification of the description does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or

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Abstract

The invention provides an anti-falling screw, which includes a hexagonal nut and a threaded screw rod. The hexagonal nut is provided with circularly distributed arc-shaped slots, and the arc-shaped slots are provided with protruding inserts. , the end of the protruding insert protrudes from the top of the hexagon nut, the bottom of the protruding insert is an insert blade, and the blade edge protrudes from the bottom of the hex nut, and the protruding insert There are expansion nails inside the sheet. The anti-falling screw described in the invention has the following advantages: the screw bite force is extremely strong, the fixing effect is excellent, the external impact and pressure are difficult to cause the screw to loosen, it has good anti-falling ability, and it has high safety and long service life. advantages such as longevity.

Description

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Claims

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Application Information

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Owner TIANJIN DARENSHE METAL PROD
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