Pulling rivet for fastening and connecting conductive materials

Abstract

The invention discloses a pulling rivet for fastening and connecting conductive materials. The pulling rivet consists of a rivet body and a lantern ring; the rivet body comprises a cap, a polished rod, a locking groove, a pull groove and a short tail; the lantern ring comprises a flange, a deformation area and a clamping tooth; sharp protrusions are arranged on the contact surface between the inner side of the cap and a fastening connecting part; the height of the protrusions is 1 / 5-1 / 12 of the thickness of the cap; according to one structure of the protrusions, the multiple independent toothed protrusions are uniformly arranged on the contact surface between the inner side of the cap and the fastening connecting part; and according to another structure of the protrusions, the 1 or 2 circles of annular protrusions surround the contact surface between the inner side of the cap and the fastening connecting part. According to the pulling rivet, the sharp protrusions can be embedded into the surface of the fastening part, so that the fastening connecting part and the rivet body are prevented from sliding, the sharp protrusions are embedded into the surface of the fastening connecting part to form a tightly attached whole, so that the conductivity of the rivet body and a frame is improved, the problems of electrochemical corrosion, plate damage, poor conductivity and the like in thefastening and connecting process of an aluminum alloy frame can be effectively solved, and the safe operation of a solar photovoltaic system is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of riveting, in particular to the design and manufacture of a rivet riveting fastener for connecting conductive materials, and belongs to the riveting category (B21J) and fastener category (F16B) of metal machining. Background technique [0002] Blind rivets are commonly used fastening joints in the existing fastening connection methods, and are generally used for the connection of parts that need to be bolted or riveted. When using the fastening operation, use special equipment for rivets to clamp the two parts to be combined, squeeze the metal of the annular collar and fill the pits of the multiple annular grooves of the bolt, so that the collar and the The pegs are tightly combined and fastened. Blind rivet fasteners have the same fastening force and never loosen after assembly. [0003] The existing blind rivets are simple to fasten and have a single function. After the fastening operation, the blind r...

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Problems solved by technology

[0003] The existing blind rivets are simple to fasten and have a single function. After the fastening operation, the blind rivet and the connector often only complete a simple fastening connection, and there is no requirement for further combination of the blind rivet and the fastening connector.

In the connection processing of solar panels, it is not only necessary to fasten the connection plate, but also to further improve the conductivity of the connection part; and often due to the reduced conductivity of the oxide film and rust layer on the surface of the metal connection part, the use of The fastening connection of plane contact cannot meet the connection processing needs of existing solar panels

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