How to repair the electric fan without shaking your head

The electric fan needs no small series introduction, and it has been invented long ago. In the hot summer, the appearance of electric fans at that time was simply a big problem, and there was no need to hand-crank cattail leaf fans all night. Although it is already 2020, although every household has installed air conditioners, electric fans are still indispensable household appliances, and the reasons need not be said. However, if the appliance is used for a long time, problems will occur. For example, today we are going to talk about the situation that the electric fan does not shake its head.

The structure of the electric fan is actually not complicated. You will find it very simple after disassembling it, but even if it is a simple structure, if you don't shake your head, you should check the reason step by step, find the crux and solve it.

1. The connecting rod at the rotation position is deformed, resulting in failure.

The fan theme and the base are connected by a connecting rod. It may be deformed and bent by external force, which may cause the shaking of the head to be blocked. Then there will be noise. Repair: the connecting rod is deformed. You can disassemble the deformed connecting rod by yourself and reinstall it after the connecting rod is basically restored.

2. The simple understanding of transmission failure is that the power of shaking function cannot be transmitted. Usually caused by wear or foreign objects. Repair: for transmission failure. Can check the rack, swing plate, gearbox, clutch, etc. If you find any foreign objects, please clean them up in time. If there is any loss, the damaged parts can be replaced. Or check whether the rotation is stuck. We can try to pull it hard, or open the cover of the fan head to check it.

3. Insufficient lubricating oil

Electric fans mostly use oil-bearing This kind of bearing is usually a powder metallurgy product. Tightly wrapped in the oil hole inside the bearing for lubrication. When the electric fan works, the temperature of the motor rises, and the friction between the rotating shaft and the bearing generates heat, which will gradually consume lubricating oil. If the lubricating oil is not properly replenished, the fan motor will not be able to maintain normal operation, and the speed will be reduced or even turned, thus burning the motor.

Repair: used for lubricating oil loss. During the use of the electric fan, oil can be injected from the oil inlet once every 1 ~ 2 months. Generally, sewing machine oil or spindle oil can be used.

4. There are other reasons.

For example, the long-term use of keys will lead to leakage or short circuit, short circuit or leakage of synchronous motors and low capacitance. Master Bang's family doctor reminded that if the fan does not shake its head for these reasons, it cannot be repaired by itself, and it still needs professional inspection and maintenance. Maintenance: For other reasons, you can go to the repair shop to replace the corresponding parts.

The fan doesn't shake its head. We should first analyze the reasons that cause the fan not to shake its head, and then prescribe the right medicine, so as to effectively solve the problem of the fan not shaking its head. The biggest advantage of simple household appliances is that they are easy to maintain when problems occur. Many times, they can do it by following some methods on the Internet, and all they need is a screwdriver and practical ability.