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Anti-falling device for bolt

A technology for preventing falling and bolts, which is applied in the direction of screws, threaded fasteners, connecting components, etc., and can solve the problems of falling and few bolts

Inactive Publication Date: 2013-05-01
TAICANG KANGHUI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] So far, although there have been some inventions and creations about nut drop prevention devices, there are still very few technologies or devices for how to prevent bolts from falling

Method used

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are used to illustrate the basic principles, main features and advantages of the present invention, and the present invention is not limited by the scope of the following embodiments.

[0020] Such as Figure 1~Figure 2 As shown, the bolt drop prevention device provided by the present invention includes a base plate 1 and a bolt 2 connected to the base plate 1, and the bolt drop prevention device also includes a fixed frame 3 fixedly connected with the bolt 2, and a fixed frame 3 connected with the fixed frame 3. The splint 4 , the fixing frame 3 and the splint 4 are respectively located on two sides of the base plate 1 .

[0021] Specifically, both the fixed frame 3 and the splint 4 are provided with a round hole for the bolt 2 to pass through, the fixed frame ...

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PUM

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Abstract

The invention relates to an anti-falling device for a bolt. The anti-falling device comprises a substrate, a bolt, a fixing frame and a clamping plate, wherein the bolt is connected to the substrate; the fixing frame is fixedly connected with the bolt; the clamping plate is connected with the fixing frame; and the fixing frame and the clamping plate are positioned on both sides of the substrate respectively. According to the device disclosed by the invention, the fixing frame which is fixedly connected with the bolt and the clamping plate which is connected with the fixing frame are arranged on both sides of the substrate, so that the bolt is prevented from falling unexpectedly after a nut falls off.

Description

technical field [0001] The invention belongs to the field of connectors, and in particular relates to a bolt drop preventing device. Background technique [0002] In industrial production or daily life, it is often necessary to fix two objects together. Generally, bolts and nuts are used to connect the two objects. And nuts are often easy to fall. When these two objects are in a special position (such as a high-altitude environment), the falling of bolts and nuts will cause safety hazards or cause other adverse problems. [0003] Zhou Mingjie et al. applied for a nut drop prevention device in 1999, which included nuts and bolts that fixedly connect the first object and the second object together, an anti-drop sheet for accommodating the nut on the first object, The anti-fall sheet includes an interference fit portion that is interference fit with the first object and a clearance fit portion that is clearance fit with the first object. During assembly, the interference fit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00
Inventor 洪道德陈利忠
Owner TAICANG KANGHUI TECH DEV
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