Self-lubricating running board

Abstract

A self-lubricating running board used for the plate-type running appliance is prepared through adhering an elastic layer on hard substrate, proportionally mixing resin, trigger, promoter, diluent, lubricant, and pigment paste, stirring, spreading on the elastic layer, die pressing, and solidifying at 5-38 deg.c for 8-16 min.

Description

technical field [0001] The invention relates to the technical field of sports equipment, in particular to a self-lubricating running board used on a treadmill. Background technique [0002] The running board of the existing flat treadmill is contained in the treadmill bottom, and there is a running belt vertically around it above and below. The running board is composed of a bottom layer and a surface layer. The bottom layer can be a hard board layer, or a hard board layer plus a sponge elastic layer. The friction coefficient of the friction pair of the cloth base of the running belt and the surface layer of the running board is too large. It will cause excessive friction resistance when running. In order to reduce the friction resistance between the board and the belt, the current common practice is to coat the surface of the running board with silicone oil or other lubricants. Some manufacturers also provide a bottle of lubricant at random. Agents are used for users to us...

AI Technical Summary

Problems solved by technology

[0003] (1) Inconvenient: When exercising, it is found that the resistance of the treadmill is too large, and it will be very troublesome to find a lubricant to apply, thus reducing the enthusiasm for using the treadmill

[0004] (2) There is a certain risk: when applying lubricant, you should put your hand under the running belt, and it is easy to be pinched by the running belt and rollers

[0005] (3) Poor stability: Because it is difficult to apply evenly on the entire board surface, the places where the paint is too much are very slippery, and the places where the paint is less or some places are not painted are still not slippery, and the running is not smooth

[0006] (4) Poor durability: the lubricating effect is good when it is first applied, but after a period of use, the frictional resistance will gradually increase to a certain level, and the lubricant must be reapplied

[0007] (5) Easy to absorb dust: lubricants are relatively easy to absorb dust, and the lubricant that adheres to dust has no lubricating effect, and it will eventually adhere to the cloth base of the running belt, destroying the structure of the friction layer of the running belt, making the cloth-board The friction coefficient of the friction pair is further increased, which requires more lubricant to be applied, forming a vicious circle

[0008] (6) The service life of the treadmill is reduced: for most people, it will be enough to be able to run barely. As everyone knows, the greater the friction, the faster the wear of the running belt and the running board; Diligent, running belt cloth sticks to a certain extent, the running belt is still unusable

[0010] (1) It is necessary to use a higher power motor, resulting in an increase in manufacturing cost and use cost

[0011] (2) Adding lubricant will pollute the cloth base of the running belt and may cause traction failure

[0012] (3) When the friction resistance is too large, generally speaking, the user cannot feel it, but the output of the motor is increased. If the protection device of the control circuit fails, it is easy to cause the motor and the control part to be overloaded and burned; even if the protection device is effective, it is easy to Situations where users want to use but cannot

In addition, the frictional resistance is large. In addition to the increased wear and tear of the running board and the running belt, it will also cause the running belt and the running board to generate heat and increase the temperature. As far as the temperature rise is concerned, the user feels uncomfortable; The second is that the performance of running boards and running belts is reduced, especially running boards. At present, most of them are made of polyester board or polyvinyl chloride (PVC) board. The higher the temperature, the softer the rubber board and the easier it is to deform. The adhesive strength of the running board decreases with the increase of temperature, causing the running board to be delaminated, bubbling and damaged

[0013] For the running board with sponge elastic layer, the so-called soft board, in addition to the above problems, there is also the problem of heat generation when the elastic layer acts as a buffer, so it is more prone to delamination and bubbling.

In addition, the soft board generally uses PVC board as the surface layer, and the friction with the cloth base is easy to generate high-voltage static electricity.

When the static electricity accumulates to a certain extent, sparks will be generated on the rear roller of the treadmill, which will interfere with the instrument and control circuit of the machine, and even burn the instrument or control circuit in severe cases.