Capping type antiknock anti-loose pipe nut
A technology for compressing nuts and nuts, applied in the directions of nuts, screws, bolts, etc., can solve the problems of complex manufacturing process and difficult control of eccentric cone surface processing, and achieve the effect of easy processing
Inactive Publication Date: 2014-06-18
平湖三川纺织染整股份有限公司
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Problems solved by technology
[0002] There are many kinds of anti-seismic anti-loosening nuts on the market, but the only ones that can really achieve anti-seismic and non-loosening are the "Never Loosening Screws" of the Hard Lock Company of Japan, and the production process of Hard Lock's "Never Loosening Screws" is relatively complicated. , especially the processing of the eccentric cone surface is difficult to control; the present invention is a kind of anti-seismic anti-loosening nut which is relatively easy to process and has better anti-loosening performance; the present invention is one of the two anti-seismic anti-loosening pipe nut structures invented by Wei Boqing , another structure is a buckle cap type anti-seismic anti-loosening pipe nut
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[0029] exist figure 1 In the embodiment shown in —9: the top-pressing anti-seismic anti-loosening pipe nut includes a compression nut 2 that is in contact with the pressed surface 1 of the nut and a backup nut 7 that is pressed on the compression nut 2; The compression nut 2 is a hexagonal nut, and its internal thread is a pipe thread structure with one end slightly larger and the other end slightly smaller. Both the compression nut compression surface 3 and the compression nut upper end surface 9 are not parallel to the vertical line of the central axis of the compression nut 2 But the direction of inclination is exactly the same, and the angle between the upper end face 9 of the compression nut and the vertical line of the central axis of the compression nut 2 is larger than the angle between the vertical line of the central axis of the compression nut compression surface 3 and the compression nut 2, that is, the angle of the vertical line of the central axis of the compressi...
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The invention discloses a capping type antiknock anti-loose pipe nut. The capping type antiknock anti-loose pipe nut comprises a compression nut and a back-fastening nut pressed on the compression nut, wherein the compression nut is a hexagonal nut, and one end of an internal thread of the compression nut is of a pipe thread structure with a larger end and a smaller end; a compression face and the upper end face of the compression nut and an axle line vertical line of the compression nut are not parallel, but the dip directions are completely coincident, and an included angle of the upper end face of the compression nut and the axle line vertical line of the compression nut is larger than the included angle of the compression face of the compression nut and the axle line vertical line of the compression nut, namely, the slope coefficient of the upper end face of the compression nut is larger than that of the compression face of the compression nut; the back-fastening nut is a hexagonal nut, and an internal thread of the back-fastening nut is of a pipe thread structure with a larger end and a smaller end; and the upper end face and the lower end face of the back-fastening nut are parallel and are in parallel with an axle line vertical line of the back-fastening nut.
Description
technical field [0001] The invention relates to a top-pressing type anti-seismic and anti-loosening pipe nut, which is suitable for various areas where the anti-seismic and anti-loosening nuts are required, such as connecting nuts for components of moving objects such as high-speed railways, cross-sea bridges, automobiles and locomotives, and belongs to the technical field of fasteners. Background technique [0002] There are many kinds of anti-seismic anti-loosening nuts on the market, but the only ones that can really achieve anti-seismic and non-loosening are the "Never Loosening Screws" of the Hard Lock Company of Japan, and the production process of Hard Lock's "Never Loosening Screws" is relatively complicated. , especially the processing of the eccentric cone surface is difficult to control; the present invention is a kind of anti-seismic anti-loosening nut which is relatively easy to process and has better anti-loosening performance; the present invention is one of th...
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IPC IPC(8): F16B39/16
Inventor 魏伯卿
Owner 平湖三川纺织染整股份有限公司