Function, Specifications, Materials, and Key Parameters of
DZ15221772012 Door Mirror Assembly
1. Function
The DZ15221772012 door mirror assembly is a crucial component of a
vehicle's exterior, designed to provide the driver with a clear
view of the areas adjacent to and behind the vehicle. It enhances
safety by minimizing blind spots and aiding in maneuvers such as
lane changes, parking, and reversing.
2. Specifications
• Part Number: DZ15221772012
• Application: Specifically designed for use in heavy-duty
commercial vehicles, such as Shaanxi Automobile Group's Delong
M3000 series
• Type: Door mirror assembly, likely including a mirror housing,
mirror glass, adjustment mechanism, and possibly additional
features like heating elements or turn signal indicators
• Configuration: May include a base for mounting on the vehicle
door, a mirror head with adjustable glass, and electrical
connections for power-operated adjustments or heating
3. Materials
• Mirror Housing: Typically constructed from high-quality plastic
or a composite material to ensure durability and resistance to
environmental factors
• Mirror Glass: Often made of glass with a reflective coating, and
may include features like anti-glare or heating elements to improve
visibility in various conditions
• Adjustment Mechanism: May utilize metal components for strength
and precision, with plastic parts for lightweight and corrosion
resistance
• Seals and Gaskets: Rubber or other sealing materials are used to
prevent water and dust ingress, ensuring the longevity of the
mirror assembly
4. Key Parameters
• Mirror Size and Shape: Dimensions and curvature of the mirror
glass are designed to provide an optimal field of view
• Field of View: The mirror is engineered to minimize blind spots
and provide a clear view of adjacent lanes and the rear of the
vehicle
• Adjustment Range: The mirror assembly allows for manual or
power-operated adjustments in multiple directions (up/down,
left/right) to accommodate different driver preferences and seating
positions
• Heating Function (if applicable): Includes a heating element to
defrost the mirror glass in cold weather, improving visibility
• Electrical Compatibility: If equipped with power features, the
mirror assembly is designed to be compatible with the vehicle's
electrical system
• Vibration and Durability: Engineered to withstand the vibrations
and harsh conditions encountered in commercial vehicle operation
• Weight: The weight of the mirror assembly is optimized for easy
installation and to minimize the impact on the vehicle's overall
weight and fuel efficiency
• Compliance with Standards: Meets relevant safety and performance
standards for automotive mirrors
5. English Terminology
• Door Mirror Assembly: Also referred to as a side mirror assembly
or exterior mirror assembly
• Mirror Housing: The outer casing that protects the mirror glass
and adjustment mechanism
• Mirror Glass: The reflective surface that provides the view to
the driver
• Adjustment Mechanism: The system that allows the mirror to be
moved to different positions
• Heating Element: A component that warms the mirror glass to
prevent fogging or frosting
• Field of View: The area that is visible through the mirror
• Blind Spot: An area around the vehicle that is not visible to the
driver through the mirrors or direct line of sight
• Electrical Compatibility: The ability of the mirror assembly to
function with the vehicle's electrical system
