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Stop screw component

A screw assembly and anti-loosening technology, which is applied in the direction of pins, connecting components, mechanical equipment, etc., can solve problems that affect the performance and stability of mechanical equipment, safety accidents, and affect processing accuracy.

Inactive Publication Date: 2013-10-02
SUZHOU TIANHUA NONFERROUS METAL PROD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Screws are usually a type of fastener consisting of a screw head and a screw shank, used to fasten and connect two mechanical parts with through holes; the screw shank is a cylinder with external threads; the screw The rod is set on the screw head; when the mechanical equipment fixed by the screw is in operation, mechanical vibration will inevitably occur, and long-term mechanical vibration will cause the wear of the screw thread and the thread matched with the screw thread, so that the fastening effect of the screw will change. Poor, which affects the working performance and stability of mechanical equipment, especially for precision equipment, the looseness of the outlet screw seriously affects its processing accuracy. Seriously, if the screw comes out of the threaded hole, it will cause mechanical failure or even a safety accident.

Method used

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Embodiment Construction

[0013] as attached figure 1 , 2 The shown anti-loosening screw assembly of the present invention includes a fastening screw and an extrusion screw; the fastening screw includes a first screw head 1 and a first screw shaft 2; the first screw shaft 2 It is arranged on the first screw head 1; the first screw rod 2 is provided with an external thread 3; the middle part of the first screw head 1 and the first screw rod 2 is provided with a connected threaded hole 4; the extrusion The screw comprises a second screw rod 5 and a second screw head 6; the second screw head 6 is arranged on the second screw rod 5; the second screw rod 5 is provided with external threads; the second screw rod 5 is arranged in the threaded hole 4; the external thread 3 provided on the first screw rod is consistent with the rotation direction of the external thread provided on the second screw rod; the threaded hole 4 is provided with a taper; when the second screw rod 5 When screwed in, the first threade...

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PUM

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Abstract

The invention discloses a stop screw component which comprises a fastening screw and an extruding screw. The fastening screw comprises a first screw head and a first screw rod. The first screw rod is arranged on the first screw head. Outer threads are arranged on the first screw rod. A threaded hole is formed in the middle of the first screw head and a threaded hole is formed in the middle of the first screw rod, wherein the threaded holes are communicated. The extruding screw comprises a second screw rod and a second screw head. The second screw head is arranged on the second screw rod. Outer threads are arranged on the second screw rod. The second screw rod is arranged in the threaded holes. The rotary direction of the outer threads arranged on the first screw rod and the rotary direction of the outer threads arranged on the second screw rod are identical. The stop screw component is simple in structure and convenient to use.

Description

technical field [0001] The invention relates to an improvement of a screw, in particular to an anti-loosening screw assembly with a simple structure and convenient use with an anti-loosening function. Background technique [0002] Screws are usually a type of fastener consisting of a screw head and a screw shank, used to fasten and connect two mechanical parts with through holes; the screw shank is a cylinder with external threads; the screw The rod is set on the screw head; when the mechanical equipment fixed by the screw is in operation, mechanical vibration will inevitably occur, and long-term mechanical vibration will cause the wear of the screw thread and the thread matched with the screw thread, so that the fastening effect of the screw will change. Poor, which affects the working performance and stability of mechanical equipment, especially for precision equipment, the looseness of the outgoing screw seriously affects its processing accuracy. Seriously, if the screw c...

Claims

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Application Information

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IPC IPC(8): F16B13/12
Inventor 黄东
Owner SUZHOU TIANHUA NONFERROUS METAL PROD
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