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Flange nut

A flange nut and internal thread technology, which is applied in the direction of nuts, screws, bolts, etc., can solve the problems of insufficient locking force and easy loosening of flange nuts, and achieve the effect of avoiding loosening and stable clamping force

Inactive Publication Date: 2019-05-14
赵艾佳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The locking force of the existing flange nuts is insufficient, resulting in easy loosening of the flange nuts at the compression parts of the axle hub bearings

Method used

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Experimental program
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Embodiment Construction

[0015] The present invention will be further described now in conjunction with accompanying drawing.

[0016] see figure 1 , figure 2 and image 3 , the present invention designs a flange nut, including a flange nut body and a flange nut internal thread. A wedge-shaped inclined surface 3 is provided at the bottom of the flange nut internal thread 2 of the flange nut body 1, and the included angle between the wedge-shaped inclined surface 3 and the reverse extension line of the lower plane of the flange nut internal thread 2 is 30°. The included angle between the lower plane and the upper plane of the flange nut internal thread 2 is 60°. A phosphating layer is provided on the surface of the internal thread 2 of the flange nut, and a phosphating layer is provided on the surface of the wedge-shaped slope 3 . The flanged nut body 1 is a hexagonal flanged flanged nut with a specification of M33×1.5mm.

[0017] In the present invention, when the bolt is screwed into the flange...

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PUM

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Abstract

The invention relates to the technical field of machines, in particular to a flange nut. The flange nut comprises a flange nut body and a flange nut internal thread. A wedge-shaped oblique surface isarranged at the tooth bottom of the flange nut internal thread of the flange nut body, and an included angle between the wedge-shape oblique surface and the inverted extension line of the lower planeof the flange nut internal thread is 30 degrees. Compared with the prior art, the flange nut has the advantages that the 30-degree wedge-shaped oblique surface is additionally arranged at the tooth bottom of the flange nut internal thread, so that large locking force is generated when a bolt and the flange nut are tightened, and the problem that a flange nut on the bearing pressing part of a car hub is likely to get loose is solved; and phosphate coatings are additionally arranged on the surface of the flange nut internal thread and the surface of the wedge-shaped plane, so that stable clamping force for threaded connection is ensured, and a rust-proof effect is achieved.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to flange nuts. Background technique [0002] With the development of the automobile industry, the requirements for automobile fasteners are getting higher and higher. The locking force of the existing flange nut is insufficient, so that the flange nut at the pressing part of the wheel hub bearing of the axle is prone to loosening. Therefore, it is very important to design a flange nut with a variable tooth anti-loosening thread that can improve the locking force. Contents of the invention [0003] The object of the present invention is to overcome the disadvantages of the prior art, and provide a flange nut with a variable tooth anti-loosening thread that can improve the locking force. [0004] In order to achieve the above object, the present invention designs a flange nut, including a flange nut body and a flange nut internal thread, which is characterized in that: a wedge-...

Claims

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Application Information

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IPC IPC(8): F16B37/00F16B39/282
Inventor 赵艾佳
Owner 赵艾佳
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