Special-shaped polygonal self-plugging rivet

A blind rivet and special-shaped technology, applied in rivets and other directions, can solve the problems of safety consequences, low safety and reliability of riveting, and cannot completely guarantee that no rotation will occur, so as to achieve the effect of firm riveting

CN103836043AInactive Publication Date: 2014-06-04WUXI ANSHIDA HARDWARE
6 Cites 1 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2014-06-04
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a special-shaped polygonal self-plugging rivet which is especially suitable for the field with special requirements, such as aerospace and servo antennas. The special-shaped polygonal self-plugging rivet comprises a rivet body and a rivet mandrel, the rivet body comprises a body of the rivet body, the body of the rivet body is provided with a middle round hole and is in a tube shape, the section of the body of the rivet body is of a polygonal structure, the rivet mandrel comprises a solid rivet mandrel rod, the rivet mandrel rod is inserted into the middle round hole of the rivet body, and a rivet body head portion with the outer diameter larger than that of the body of the rivet body is arranged at one end of the body of the rivet body. A rivet mandrel head portion with the outer diameter larger than that of the rivet mandrel rod is arranged at one end of the rivet mandrel rod, a breakage portion with the cross section area smaller than that of the rivet mandrel rod is arranged on the rivet mandrel rod, and at least two annular grooves are formed in the position, between the breakage portion and the rivet mandrel head portion, on the rivet mandrel rod. The section of the body of the rivet body is polygonal. In the riveting process, after a polygonal hole matched with the section of the body of the rivet body is punched in a riveted plate, riveting is carried out, rotation never occurs after riveting, and riveting is firm.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a blind rivet, in particular to a special-shaped multi-angle blind rivet used in special fields such as riveting aerospace and servo antennas. Background technique

[0002] When riveting products in special fields such as aerospace and servo antennas, it is required to ensure that they are firm and not loose after being riveted. At present, most of the common blind rivets or structural rivets are used to achieve the above special connection requirements. Because the shape of the nail body is a cylindrical structure, this structure cannot completely guarantee that no rotation will occur after riveting, and the safety of riveting Low reliability, easy to cause unpredictable security consequences. Contents of the invention

[0003] The purpose of the present invention is to provide a special-shaped multi-angle blind rivet, which can ensure that the riveted workpiece never rotates, and has the characteristics of easy operation a...

Examples

Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0022] see Figure 1 to Figure 4 As shown, in this embodiment, a special-shaped polygonal blind rivet includes a nail body 1 and a nail mandrel 2, and the nail body 1 includes a tubular nail body body 3 having a central round hole 6, and the nail body body 3 The cross-section is a regular hexagonal structure, and one end of the nail body 3 is provided with a nail body head 5 with an outer diameter greater than the outer diameter of the nail body 3, and the nail body head 5 provides a good surface for the nail body 1 when riveting. positioning. And the head 5 of the nail body is a hexagonal semicircular structure, which is composed of a regular hexagonal part and a semicircular spherical part. This spherical shape looks better after the riveting is completed, especially the surface will be relativel...