Basic structure of wall clock
1, front shell (also called front cover): surface treatment methods include: direct injection coloring, painting, electroplating, coating (also called transfer printing), hot stamping, etc.
2. Back shell (also called back cover)
3. Battery cover
4. Mirror: The materials are glass (divided into flat glass and curved glass) and plastic, among which wall clocks are basically glass and desk clocks are all.
5. Clock face (also called literal): the material is paper, PVC (a kind of plastic) and metal. The scales, characters and patterns on it are all silk-printed.
6. Clock hands (also known as hands): There are two kinds of materials: plastic and metal, of which wall clocks are basically metal and desk clocks are both.
7. Exercise (when traveling):
① According to the operation mode of the second hand, it can be divided into: skip second movement and sweep second movement (also called silent movement).
② Wall clock movements are divided into: single movement (referred to as single machine) and music hourly movement (also called inching).
③ Clock movement is divided into stand-alone machine and alarm clock machine. Among them, alarm is divided into single alarm movement and alarm with snooze function. The bell of the alarm clock is divided into a single BB sound and four BB sounds (that is, from weak to strong BB sounds).
8. Screw
9.LCD components: divided into Chinese and English. If there are only 1 LCD elements on a clock, the general display contents are perpetual calendar (i.e. Gregorian year, month, day and week, China lunar month and day) and temperature; There are two LCD modules on a clock, of which 1 displays perpetual calendar and the other 1 displays temperature and humidity.
10. Pendulum motion (auxiliary motion): It can be divided into horizontal pendulum motion and rotary pendulum motion.