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fasten the screw nut

A technology for locking nuts and nuts, applied in the directions of nuts, locking fasteners, screws, etc., can solve problems such as obstruction and difficulty in realizing connection operations, and achieve the effect of reducing manufacturing costs and facilitating connection operations.

Active Publication Date: 2020-02-21
KSLNC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the central axis of the coil spring and the central axis of the threaded portion formed on the nut body are kept in an inconsistent posture (inclined posture), thereby hindering the connection with the threaded portion and the connection to the coil spring. Bolts entering at the upstream end are inserted into the coil springs, resulting in a problem that the connection work is difficult

Method used

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  • fasten the screw nut
  • fasten the screw nut
  • fasten the screw nut

Examples

Experimental program
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Embodiment Construction

[0024] Below, refer to Figure 2a to Figure 4 Examples related to the present invention will be described in detail.

[0025] exist Figure 2a , Figure 2b as well as image 3 In , the disposable lock nut of this embodiment is shown with reference numeral 100 .

[0026] Such as image 3 As shown, the lock nut 100 includes a coil spring 10 .

[0027] Such as Figure 1a and Figure 1b As shown, the downstream end of the coil spring 10 is formed with a downstream end bending portion 11 that is bent radially outward toward the coil spring 10, and the upstream end 12 of the coil spring 10 is in the radial direction with the The downstream end bent portions 11 are arranged oppositely.

[0028] The coil spring 10 is wound in a helical shape, so that the threaded portion 51 of the bolt 50 can be combined with the coil spring 10 from the upstream end 12 to the downstream end of the coil spring 10 .

[0029] Such as image 3 As shown, when the downstream end bent portion 11 is ...

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PUM

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Abstract

The present invention relates to a locking nut. A stopper in the lock nut is integrally formed on a step portion of a nut main body adjacent to an upstream end of a spiral spring and an inner peripheral surface of an enlarged diameter portion; and the stopper is in line or surface contact with a bottom surface of the spiral spring in the spiral direction.

Description

technical field [0001] The present invention relates to a lock nut, and in more detail, relates to a lock nut that can be connected to a bolt in a state of reliably ensuring anti-loosening and can be easily disconnected from the bolt by artificial external force. Background technique [0002] There are various types of lock nuts, and one of them uses a coil spring. [0003] In the lock nut using the coil spring, there are formed: a threaded part formed in a hole of the nut body for connecting a bolt, and a diameter-enlarged part built with a In the bolt-combined coil spring, a slot for fixing the downstream end bend of the coil spring is formed on the downstream end surface of the nut body, wherein the downstream end surface of the nut body is located at the downstream end in the connection direction. [0004] In the lock nut having such a structure, when the bolt or the lock nut is turned in the connecting direction so that the bolt is inserted into the coil spring through...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B39/28F16B37/12
CPCF16B37/12F16B39/28
Inventor 赵汉栢
Owner KSLNC CO LTD