Self-locking steel nail
A steel nail, self-locking technology, applied in the direction of pins, connecting components, mechanical equipment, etc., can solve the problems of increasing material cost and labor cost, and achieve the effect of reducing wood consumption, improving work efficiency and easy processing
Pending Publication Date: 2020-04-14
冷光君
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Problems solved by technology
[0002] At present, the known steel nails all adopt a structure with an acute-angled square cone at one end, a hat-shaped flat body at the other end, and a column-shaped middle part. Due to the limitation of the clamping force of wood, some wooden parts can only be connected by increasing the cut-off. The area method is used to complete the connection, which increases the material cost and labor cost of the product and other defects
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[0009] The embodiment is further described with reference to the accompanying drawings: one end of a steel wire of a certain length is upset and pressed to form a nail cap, and the other end uses an abrasive tool to extrude the nail tip and groove to complete the processing of the steel nail body (2). Then upsetting one end of a certain length of metal tube to form a hollow nail cap, and upsetting the wall of the metal tube at the other end to make it thicker. The processed metal pipe and the steel nail main body (2) are set together, and then the processing can be completed after poking and pressing. In the process of processing the groove set on the cylindrical body, although the cross-sectional area of the groove is reduced, plastic deformation has occurred in this part, and the mechanical properties of this part are much greater than those of other parts of the cylindrical body, so in self-locking When the steel nail is in use, other parts of the cylindrical body fail, a...
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The invention discloses a self-locking steel nail, and mainly relates to a steel nail used for connecting parts in woodware product processing. The self-locking steel nail is suitable for occasions where tools such as an iron hammer and a pneumatic hammer are used. At present, known steel nails all adopt structures of which one ends are acute-angle square cones, the other ends are cap-shaped flatbodies and the middle parts are cylindrical, and due to the limitation of clamping force of wood, such steel nail has the defects that the material cost and the man-hour cost are increased in a designed product and the like; in order to overcome the defects, the self-locking steel nail provided by the invention is characterized in that in a part steel nail main body, one end is an acute-angle square cone, and a groove is formed in the cylindrical body at the transition position of the acute-angle square cone and the cylindrical body in the middle of the steel nail main body, and the other endis a nail-cap-shaped flat body structure; in a part steel nail outer sleeve, the center is of a tubular structure, one end is of a convex structure capable of being tightly matched with a groove structure formed in the cylindrical body in size, the other end is of a nail-cap-shaped flat body and the center is of a hollow structure; and the steel nail main body and the steel nail outer sleeve are compositely processed to form a self-locking steel nail product.
Description
technical field [0001] The self-locking steel nail of the present invention mainly relates to a steel nail used for connecting parts in the processing of wooden products, and the product is suitable for occasions where tools such as hammers and pneumatic hammers are used. Background technique [0002] At present, the known steel nails all adopt a structure with an acute-angled square cone at one end, a hat-shaped flat body at the other end, and a column-shaped middle part. Due to the limitation of the clamping force of wood, some wooden parts can only be connected by increasing the cut-off. The area method is used to complete the connection, which increases the material cost and labor cost of the product and other defects. Contents of the invention [0003] In order to overcome the defects of existing products, the present invention provides a self-locking steel nail, which realizes efficient connection between wood product parts by increasing the clamping force between wo...
Claims
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IPC IPC(8): F16B13/12
CPCF16B13/126
Inventor 冷光君
Owner 冷光君