Double-step sealing rivet nut, double-step sealing riveting mechanism and double-step sealing riveting mechanism after-connection device
A riveting nut, double-step technology, applied in the direction of nuts, connecting components, mechanical equipment, etc., can solve the problems of insufficient strength of the inner hole of the aluminum plate, reduced product performance, and reduced production yield, etc., to improve strength and performance. , space saving effect
Pending Publication Date: 2022-02-15
BINKE AUTOMOBILE FASTENER KUNSHAN
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Problems solved by technology
The blind rivet nut of the existing structure is used for installation. Because the double-layer aluminum plate is thick, the inner hole of the aluminum plate does not have enough strength. During the installation process, the inner hole will be deformed when the force is applied to the blind rivet nut by the installation gun, thereby reducing the The performance of the product is reduced, which reduces the production yield
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] It should be noted that terms such as "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature.
[0036] The double-step sealing riveting nut, the double-step sealing riveting mechanism and th...
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The invention discloses a double-step sealing rivet nut, a double-step sealing riveting mechanism and a double-step sealing riveting mechanism after-connection device. The double-step sealing rivet nut comprises: a rod part; a flange part arranged on one end of the rod part in a sleeving manner and fixedly connected with the rod part; a first step part arranged on one end, close to the flange part, of the rod part in a sleeving manner and fixedly connected with the rod part; and a second step part arranged on the rod part in a sleeving mode, located on the side, away from the first step part, of the flange part and fixedly connected with the rod part, wherein an annular space is formed between the second step part and the flange part, the outer diameter of the first step part is smaller than that of the flange part, and the outer diameter of the second step part is smaller than that of the first step part. According to the invention, the first step part is arranged on the flange part, so that the stress of the rivet nut in the mounting process can be concentrated to the position of the rod part, and the clamping force after mounting is improved; and by arranging the second step part below the flange part, the strength of the lower end of the first step part can be improved, so that deformation after installation is avoided so as to improve the product performance.
Description
technical field [0001] The invention relates to the technical field of fasteners, in particular to a double-step sealing riveting nut, a double-step sealing riveting mechanism and a connected device after the double-step sealing riveting mechanism. Background technique [0002] In order to meet the needs of different types of battery boxes for new energy vehicles, the battery box needs to use a double-layer aluminum plate structure to ensure the battery. The connection between the double-layer aluminum plates often uses rivet nuts as fasteners to achieve the connection between the two plates connect. The structure of the blind rivet nut in the prior art is that the rod is in the shape of a hexagon, and the rod is provided with a flange. The rivet nut of the existing structure is used for installation. Because the double-layer aluminum plate is thick, the inner hole of the aluminum plate does not have enough strength. During the installation process, the inner hole will also...
Claims
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IPC IPC(8): F16B37/06
CPCF16B37/065
Inventor 林勇德汪红兵段森月
Owner BINKE AUTOMOBILE FASTENER KUNSHAN
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