Car protective cover - Left and right sides - Bottom - Installation bracket is what?
According to public information, "Automobile protective cover - Left and Right - Lower Part - Installation Bracket" usually refers to the structural components used to fix or support the lower part of the vehicle's side protection devices (such as side skirts, anti-scuff plates, lower protective covers, etc.). Their specific functions and structures vary depending on the vehicle model and the type of protection. Here is the key information summary:
Core Definition and Function
Role: Connects the vehicle body with the lower part of the protective cover (such as side skirts, anti-scuff plates, front lower protection devices, etc.), providing structural support, buffering impact, fixing position, and possibly participating in collision energy dispersion.
Installation Position: Located on the lower part of both sides of the vehicle body, usually near ， wheel arches， or bumper edges.
Common Types：
Side skirt installation bracket： Used to fix side skirts and anti-scuff plates， mostly in the form of snap-in or bolt connections.
Front/Back Lower Protection Bracket： Used for front lower protection devices (such as the crossbeam structure required by GB26511 standard)， including connecting brackets and fixed brackets.
Insurance杠 side bracket： Connects the insurance杠 to the vehicle longitudinal beam， bearing mechanical support and collision buffering.
Typical Structure and Materials
Material：
For ordinary vehicles： High-strength alloy steel， stamped steel， or engineering plastics (such as PP-GF30).
For high-end/modified models： Aluminum alloy， composite materials.
Structural Form：
Flat stamped plate， welded bracket， "U"-shaped box structure.
Often with reinforcing ribs， water leakage holes， and clearance slots to adapt to surrounding components.
Related Components Association
Directly connected to the side skirt (a component of the large bumper assembly).
Integrated with the front/afterbumper through side brackets.
In electric vehicles， the installation accuracy requirements may be higher due to the battery layout.
Typical Application Scenarios
Side skirt installation： Use snap-in or bolts to fix the side skirt to the vehicle threshold.
Front lower protection： Through connecting brackets， fix the crossbeam to the front of the frame to meet regulatory protection requirements.
For modification/sale， custom protective covers need to match the original factory bracket holes or add new brackets.
Note： If referring to "license plate protective cover bracket"， it belongs to a different system and is used to fix the license plate and transparent cover， unrelated to the lower protection.
According to public information， the installation brackets for the lower part of the protective cover on the left and right sides of the vehicle， their main functions can be summarized as follows：
Structural Support and Fixation： The installation brackets are used to firmly connect the lower part of the protective cover (such as side skirts， side panels lower guard plates， or lower supports) to the vehicle body， ensuring that it does not loosen or fall off during driving.
Buffering and Energy Absorption： In the event of a mild side collision or scrape， the brackets can assist the protective cover in absorbing and dispersing the impact force， reducing direct damage to the vehicle side panels， doors， and even critical components of the chassis (such as the oil pan， oil lines， wiring harness) during the collision.
Guiding airflow， optimizing aerodynamics： The lower part of the protective cover often integrates aerodynamic design， and the brackets ensure its position accuracy， helping to guide the vehicle's airflow， reduce the drag coefficient， and improve stability at high speeds.
Preventing foreign object intrusion： The brackets maintain the adhesion of the protective cover to the vehicle body， effectively blocking sand， mud， rainwater， etc. from entering the engine compartment or wheel arch area.
Enhancing： Some high-strength brackets (especially in high-performance or off-road models) can enhance the stiffness of the vehicle's side structure， improving corner response and driving stability.
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