Self-locking nut and production method therefor
A locknut, technology of manufacturing method, applied in the direction of nuts, screws, bolts, etc., can solve the problems of springs being easily damaged, inconvenient to use, hindering fastening, etc.
Inactive Publication Date: 2014-09-17
姜镇熙 +1
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Problems solved by technology
[0005] However, according to the above-mentioned conventional nut, it is combined with the bolt when a separate spring is provided inside the nut, so this structure not only has the inconvenience of requiring a separate spring, but also needs to be connected between the bolt and the bolt according to this structure. The spring is inserted between the nuts, so when the nut is tightened, the spring interferes with the tightening, which is quite inconvenient to use, and there is also a problem that the spring is easily damaged due to pressure when subjected to continuous vibration after tightening
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[0023] The invention provides a lock nut and a method for manufacturing the nut, which are characterized in that the body is helical and elastic, and threads are formed on the inner peripheral surface and combined with the bolt, thereby ensuring that even if the force is applied continuously When used in a vibrating environment, the tightened state at the time of fastening will not be easily released, and a stable fastened state can be maintained to ensure a sense of structural stability.
[0024] Below, referring to the attached Figure 1 to Figure 20 The present invention will be described in detail.
[0025] The body 10 of the locknut of the present invention is in a spiral shape. The cross-section is the same as that of ordinary nuts, and can be formed into various shapes such as triangles, squares, pentagons and hexagons.
[0026] The number of times the body 10 is wound in a helical manner and the number of threads formed inside the body 10 can be adjusted as required....
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The present invention relates to a self-locking nut and to a production method therefor, and provided is a self-locking nut for coupling onto a bolt, in which nut the body constitutes a spiral shape and is resilient, and the inner circumferential surface is formed so as to have a screw thread; and the nut does not easily loosen since not only does the spiral-shaped nut body couple while strongly wrapping around the bolt but also the spiral-shaped body strongly makes intimate contact in between the screw threads formed on the nut and the bolt and firmly couples thereto while contracting and expanding in accordance with temperature changes, and resiliently absorbs external forces such as external vibration or shock on sustaining an external force.
Description
technical field [0001] The present invention relates to a locknut and a manufacturing method thereof, more particularly, to a locknut which is stable and will not be easily loosened even if it is used in an environment with continuous vibration or external force and can A method of making the nut. Background technique [0002] Usually, when a nut fastened to a bolt is exposed to an environment subject to repeated vibrations for a long time, the threads of the meshing bolt and nut slide against each other, and the tightened state at the time of tightening cannot be maintained and loosens. open. [0003] Thus, in the event of a loose nut, serious problems will be caused in railroad or river bridges, in the tires of vehicles or in many other mechanical devices that generate vibrations. Therefore, the condition of the nut must be continuously observed. [0004] In this regard, continuous efforts have been made on how to reduce the phenomenon of nut loosening. Representativel...
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IPC IPC(8): F16B39/28F16B39/284F16B39/286
CPCF16B39/286F16B39/282
Inventor 姜熏植
Owner 姜镇熙