Safety lock purchase and daily maintenance knowledge

Although the lock is a small hardware product that is not eye-catching, it has a very close relationship with people, which is related to the safety of every family, unit and public place. Locks are a special kind of commodity and have a very important relationship with safety. Therefore, whether it is domestic or foreign, the lock industry has a set of extremely strict quality standards and safety requirements. The following is an introduction to the purchase and daily maintenance of locks provided by Wanshou Hardware Machine Grid. It introduces consumers to the basic common sense of locks, so that consumers have a basic understanding of locks and increase their understanding and understanding of locks. I hope that readers can benefit from it.

Hardware lock

Lock purchase:

First, we must first recognize whether the product has a factory name, site, trademark and whether there is a qualified inspection report issued by a professional quality inspection agency.

Second, the lock should be clear in appearance, the surface is not rough, and it feels comfortable. The lock is opened and rotated flexibly, the locking device should be functional, and the feeling of failure cannot be felt when the hand is felt, and the security performance is good.

Third, the material should be moderate when purchasing, the hand should be firm and reliable, and do not use a variety of locks made of inferior materials.

Fourth, the installation of the lock is also a key: the installation should be carried out in strict accordance with the product manual, to recognize the installation center distance, the scope of application and the opening method of the lock. Special care must be taken not to install on wooden doors with high humidity to prevent corrosion of harmful substances.

5. Normally, the lock body is kept clean to prevent foreign matter from entering the lock cylinder, causing rolling when opening, and even the lock cannot be opened.

Lock maintenance:

1, lock the heart not to rain. Flushing, because there is a small spring inside which will rust and become inflexible;

2, the locomotive key does not need a large string, connected in series, when the locomotive is running, the key shaking and weight will wear the lock heart, and the key will slide out for a long time;

3, when the key is not easy to insert or withdraw, spray some light lubricating oil, (such as w40) oil that is not too strong will not be active;

4, some locks can not be refueled, (very few) such as the mother beads lock heart;

5. When the door lock is not good, switch some lubricant on the oblique tongue;

6, automatic lock (three segments. Four segments. Five segments) to have some micro-gap can not be too tight, (such as the need to push the door to open when unlocking) the lock is easy to break;

7, the door joints can not be too large, easy to be opened and swaying;

8. The anti-theft door has a lattice type, and the anti-theft wire is inserted into the oblique lock puller which is automatically locked, and the door is opened;

9, do not use the key to open the door directly, the key to open the door lock, the lock does not return to the original directly pull the key to open the door, the lock does not take long to protest with you to say goodbye.

COB Grow Light Series

Contain Grow Light Cob Waterproof 50w,100w and 150w, Grow Light Cob,COB Led Grow Light Diy. Cob Grow Lights use high power Epistar chip, with high par value, 4000k white lighting/pink lighting avaible.

Led Cob Chip Grow Light works well for plant growth, 50w can replace hps 300w, 100w can replace 500w, 150w replace 1000w Led Grow Light.

Features:

1.Waterproof IP67, works safely outside;

2.Driverless, no noise;

3.Light weight and small size, can save your shipping cost.

Waterproof Grow Light Cob :

Grow Light Cob Diy

DIY grow light cob:

Diy Grow Light



Cob Led Grow Light,Led Cob Full Spectrum ,Diy Cob Led Grow Light ,Led Cob Grow Light

Shenzhen Wenyi Lighting Technology Co., Ltd , https://www.wygrows.com