Flat-head half-four-corner rivet nut
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of fasteners, in particular to the technical field of flat-head half-four-corner riveting nuts.
[ background of the utility model ]
The rivet nut is widely applied to modern society, the rivet nut is one of the rivet nuts, if the nut of a certain product needs to be installed outside, and the space inside is narrow, and when the pressure head of a riveting press can not enter the riveting press and bud extraction method to meet the strength requirement, the riveting press and the expanding riveting are not feasible, and the rivet must be used. The rivet is suitable for the field of fastening of plates and pipes with various thicknesses. The rivet can be riveted at one time by using a pneumatic or manual rivet pulling gun, and is convenient and firm; the traditional welding nut is replaced, and the defects that a metal sheet, a thin pipe is easy to melt in welding, the welding nut is unsmooth and the like are overcome. The flat-head rivet nut used in the market at present is a hexagonal rivet nut generally, but the friction force and the holding force of the hexagonal rivet nut and the mounting part are insufficient, so that loosening is easy to occur, and the product quality is influenced.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a flat-head half-four-corner riveting nut which can prevent loosening and ensure the product quality.
In order to achieve the purpose, the utility model provides a flat-head half-four-corner rivet nut which comprises a rivet nut main body, wherein a base is arranged at one end of the rivet nut main body, a through hole is formed in the centers of the rivet nut main body and the base, the rivet nut main body comprises a four-corner column and a cylinder which are integrally formed, the four-corner column is located on one side, close to the base, of the rivet nut main body, the cylinder is located on one side, far away from the base, of the rivet nut main body, the four-corner column and the cylinder are connected through a transition section, the through hole comprises a smooth section and a threaded section, the smooth section is located on one side, close to the four-corner column, of the through hole, the threaded section is located on one side, close to the cylinder, of the through hole, and the diameter of the smooth section is larger than that of the threaded section.
Preferably, the diameter of the outer wall of the base is larger than the diameter of the outer wall of the rivet nut body.
Preferably, the outer circumferential surface of the base is in a semi-circular arc shape.
Preferably, a guide head is arranged at one end, far away from the base, of the rivet nut body.
Preferably, the end face, facing the rivet nut body, of the base is uniformly provided with a plurality of anti-skidding convex particles.
Preferably, the edges of the four-corner columns are rounded.
The utility model has the beneficial effects that: according to the utility model, the upper part of the rivet nut body is designed into a quadrangular prism shape, so that the friction force and the holding force between the rivet nut body and the mounting part are improved, the rivet nut body is prevented from rotating and loosening, and the product quality is ensured; the anti-skidding convex particles are additionally arranged on the lower end face of the base, so that the friction force between the rivet nut and the mounting piece is improved, the rivet nut is further prevented from loosening, and the mounting strength of the rivet nut is improved; the guide head is arranged, so that the guide effect is achieved when the rivet nut is matched with the through hole of the mounting part, the assembly is facilitated, and the structural layout is more reasonable.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a flat-head semi-quadrangular rivet nut of the utility model;
fig. 2 is a top view of a flat head semi-quadrangle rivet nut of the present invention.
In the figure: the riveting nut comprises a 1-riveting nut body, a 2-base, a 3-through hole, a 4-guiding head, 5-anti-skidding convex particles, 11-quadrangular columns, 12-cylinders, 13-transition sections, 31-smooth sections and 32-thread sections.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the flat-head half-four-corner rivet nut of the utility model comprises a rivet nut body 1, a base 2 is arranged at one end of the rivet nut body 1, a through hole 3 is formed in the centers of the rivet nut body 1 and the base 2, the rivet nut body 1 comprises a four-corner post 11 and a cylinder 12 which are integrally formed, the four-corner post 11 is positioned at one side of the rivet nut body 1 close to the base 2, the cylinder 12 is positioned at one side of the rivet nut body 1 far away from the base 2, the four-corner post 11 and the cylinder 12 are connected through a transition section 13, the through hole 3 comprises a smooth section 31 and a threaded section 32, the smooth section 31 is positioned at one side of the through hole 3 close to the four-corner post 11, the threaded section 32 is positioned at one side of the through hole 3 close to the cylinder 12, the diameter of the smooth section 31 is larger than that of the threaded section 32, the diameter of the outer wall of the base 2 is larger than that of the rivet nut body 1, the outer periphery of base 2 is semi-circular arc, rivet nut main part 1 and keep away from the one end of base 2 is equipped with direction head 4, base 2 orientation the terminal surface of riveting nut main part 1 evenly is equipped with a plurality of anti-skidding protruding grain 5, the equal fillet of edge of four-corner post 11.
The working process of the utility model is as follows:
according to the utility model, the upper part of the rivet nut body 1 is designed into the four-corner column 11, so that the friction force and the holding force between the rivet nut body and the mounting part are improved, the rivet nut is prevented from rotating and loosening, and the product quality is ensured; the anti-skidding convex particles 5 are additionally arranged on the lower end face of the base 2, so that the friction force between the rivet nut and the mounting piece is improved, the rivet nut is further prevented from loosening, and the mounting strength of the rivet nut is improved; set up direction head 4, play the guide effect when riveting the through-hole of nut and installed part and fitting together, the assembly of being convenient for, structural configuration is more reasonable.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.