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Tension spring for training

A tension spring and proportional technology, applied in the field of training tension springs, can solve the problems of low safety performance, poor fatigue resistance, and low service life, and achieve high safety performance, high fatigue resistance, and long service life.

Inactive Publication Date: 2018-01-09
江苏攸途健身器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary extension springs for training are poor in material, poor in fatigue resistance, low in service life, and low in safety performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] An extension spring for training, comprising: 30 parts of steel, 22 parts of copper, 3 parts of potassium silicate, 11 parts of calcium sulfate, 4 parts of titanium dioxide, 13 parts of calcium silicate, 16 parts of polypropylene, 3 parts of trioxide 5 parts of iron, 1 part of polyethylene glycol, 4 parts of chlorinated polypropylene, 3 parts of calcium hydroxide, 2 parts of dioctyl phthalate and 5 parts of magnesium oxide.

Embodiment 2

[0011] An extension spring for training, comprising: 33 parts in parts by weight, 23 parts in copper, 5 parts in potassium silicate, 13 parts in calcium sulfate, 6 parts in titanium dioxide, 15 parts in calcium silicate, 17 parts in polypropylene, and three parts in trioxide 7 parts of iron, 3 parts of polyethylene glycol, 6 parts of chlorinated polypropylene, 5 parts of calcium hydroxide, 2.5 parts of dioctyl phthalate and 6 parts of magnesium oxide.

Embodiment 3

[0013] An extension spring for training, comprising: 36 parts of steel, 24 parts of copper, 6 parts of potassium silicate, 15 parts of calcium sulfate, 8 parts of titanium dioxide, 16 parts of calcium silicate, 19 parts of polypropylene, 19 parts of trioxide 8 parts of iron, 4 parts of polyethylene glycol, 7 parts of chlorinated polypropylene, 6 parts of calcium hydroxide, 3 parts of dioctyl phthalate and 8 parts of magnesium oxide.

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PUM

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Abstract

The invention relates to a tension spring for training. The tension spring is characterized by comprising, by weight, 30-36 parts of steel, 22-24 parts of copper, 3-6 parts of potassium silicate, 11-15 parts of calcium sulfate, 4-8 parts of titanium dioxide, 13-16 parts of calcium silicate, 16-19 parts of polypropylene, 5-8 parts of ferroferric oxide, 1-4 parts of polyethylene glycol, 4-7 parts ofchlorinated polypropylene, 3-6 parts of calcium hydroxide, 2-3 parts of dioctyl phthalate and 5-8 parts of magnesium oxide. The tension spring is long in service life, high in anti-fatigue strength and high in safety.

Description

technical field [0001] The invention relates to the field of fitness equipment, in particular to a tension spring for training. Background technique [0002] As a kind of mechanical application equipment in training equipment, extension spring is a very suitable method for strength training according to its elastic potential energy. Therefore, the development of extension springs for training has received more and more attention. Ordinary extension springs for training are poor in material, poor in fatigue resistance, low in service life, and low in safety performance. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an extension spring material with high fatigue resistance and high safety for training. [0004] In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a kind of extension spring for training, and its innovative point is: according to the proport...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A63B21/055C22C30/02
Inventor 顾丽
Owner 江苏攸途健身器材有限公司