Plastic spring screw

Abstract

The invention provides a plastic spring screw. The plastic spring screw mainly comprises a screw (1) and a spring (2), and is characterized in that the spring (2) sleeves the screw (1); the screw (1) is prepared from a PA66 plastic material by a special boiling process and other special technical processes; an umbrella buckle (11) is formed at the head part of the screw (1), a cylindrical rod (12) is partially formed in the screw (1), and a press head (13) is formed at the tail part of the screw (1); a compressed groove (14) is formed in the umbrella buckle (11), and is provided with a compressed space to realize compression; the diameter of the cylindrical rod (12) is slightly less than that of the umbrella buckle (11) and is less than that of the press head (13); the inner diameter of the spring (2) is slightly more than that of the cylindrical rod (12), and is slightly less than that of the umbrella buckle (11) and that of the pressing head (13); the spring (2) can be sleeved when the umbrella buckle (11) is compressed, the spring (2) sleeves the cylindrical rod (12) of the screw (1) when the umbrella buckle (11) is released and returned.

Description

technical field [0001] The invention relates to a screw, in particular to a plastic spring screw suitable for fixing a radiator and a motherboard of a computer. Background technique [0002] With the continuous advancement of science and technology, computers have been widely used. Most of the fixing of computer motherboards and heat sinks are fastened by screws with threads. During operation, a screwdriver is required to tighten or loosen. The screw rod of the screw needs to have threads, and the hole of the main board that the screw penetrates also needs to have matching threads. It needs a pre-thread processing process, and the overall cost is high. When the screw is fastened, it is all done by the operator's hand. operation, then there is unevenness in the fastening force of each screw fastening point mostly, then can not reach people's assembly technology requirement, can not satisfy people's needs. Contents of the invention [0003] The purpose of the present invent...

AI Technical Summary

Problems solved by technology

[0002] With the continuous advancement of science and technology, computers have been widely used. Most of the fixing of computer motherboards and heat sinks are fastened by screws with threads. During operation, a screwdriver is required to tighten or loosen. The screw rod of the screw needs to have threads, and the hole of the main board that the screw penetrates also needs to have matching threads. It needs a pre-thread processing process, and the overall cost is high. When the screw is fastened, it is all done by the operator's hand. operation, the fastening force at each screw fastening point is mostly uneven, and it cannot meet people's assembly process requirements and cannot meet people's needs.

Images