A linear compression spring unit

Abstract

The invention belongs to the technical field of springs, specifically a linear compression spring unit, including a cylinder body, a main support spring, a No. 1 tubular spring, a No. 2 tubular spring, a No. 1 push module, a No. 2 push module, and a No. 3 push module , a main support module, a support plate; the upper end of the main support spring is fixedly connected to the lower end surface of the support plate, and the lower end of the main support spring is respectively worn with a No. 1 tubular spring and a No. 2 tubular spring from inside to outside; The No. 1 push module is used to push the No. 1 tubular spring to slide along the helical direction of the main support spring; the No. 2 push module and the No. 3 push module jointly push the No. 2 tubular spring to slide along the helical direction of the No. 1 tubular spring; The main support module is used to support and fix the main support spring, the No. 1 tubular spring and the No. 2 tubular spring protruding out of the cylinder; the present invention further realizes the adjustment of the pressure spring unit by adjusting the number of compressed springs. Perform linear elastic adjustment.

Description

technical field [0001] The invention belongs to the technical field of springs, in particular to a linear compression spring unit. Background technique [0002] When the car is running, the exhaust pipe and the main pipe of the cylinder exhaust are very hot due to the combustion of fuel oil in each cylinder. When walking on a flat road, the temperature of the exhaust pipe can reach 300℃~400℃ when walking on a highway. When it reaches 400℃~500℃, the exhaust pipe temperature can reach 500℃~650℃ when walking on the mountain road. However, a spring must be used on the exhaust pipe of the automobile. The exhaust pipe of the automobile will transfer the temperature to the spring at the bottom of the exhaust pipe, and a certain amount of heat will be dissipated in the process. At this time, the spring needs to have a working temperature of 550 It can maintain good performance for a long time in the environment of ℃. [0003] Springs are generally made of spring steel. The types o...

AI Technical Summary

Problems solved by technology

[0003] Springs are generally made of spring steel. The types of springs are complex and diverse. According to their shapes, they mainly include coil springs, scroll springs, leaf springs, special-shaped springs, etc. F=kx, F is the elastic force, k is the stiffness coefficient, and x is The elongated length of the spring. In general, if the length of the spring is fixed, the elastic force is fixed. When the elasticity of the spring needs to be changed, the spring needs to be replaced, which will cause unnecessary trouble

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