The bumper bracket of the car.
The bumper bracket is the link between the bumper and the body parts. When designing the bracket, it is first necessary to pay attention to the strength problem, including the strength of the bracket itself and the strength of the structure connected with the bumper or the body. For the support itself, the structural design can meet the strength requirements of the support by increasing the main wall thickness or selecting PP-GF30 and POM materials with higher strength. In addition, reinforcing bars are added to the mounting surface of the bracket to prevent cracking when the bracket is tightened. For the connection structure, it is necessary to rationally arrange the cantilever length, thickness and spacing of the bumper skin connection buckle to make the connection stable and reliable.
Of course, while ensuring the strength of the bracket, it is also necessary to meet the lightweight requirements of the bracket. For the side brackets of the front and rear bumpers, try to design a "back" shaped box structure, which can effectively reduce the weight of the bracket while meeting the strength requirements of the bracket, thus saving costs. At the same time, on the path of rain invasion, such as on the sink or installation table of the support, it is also necessary to consider adding a new water leakage hole to prevent local water accumulation. In addition, in the design process of the bracket, it is also necessary to consider the clearance requirements between it and the peripheral parts. For example, in the central position of the middle bracket of the front bumper, in order to avoid the engine cover lock and engine cover lock bracket and other parts, the bracket needs to be partially cut out, and the area should also be checked through the hand space. For example, the large bracket on the side of the rear bumper usually overlaps with the position of the pressure relief valve and the rear detection radar, and the bracket needs to be cut and avoided according to the envelope of the peripheral parts, the wiring harness assembly and the direction.
What is the front bar bracket fixed to
The front bar bracket is fixed to the fender, front bumper, and body sheet metal.
The installation and fixing of the front bar bracket of an automobile involves the interaction of multiple steps and components. First, the front bumper bracket needs to be secured to the fender and front bumper. This process involves attaching the front bumper middle bracket to the front module and securing it with screws to a specified torque. At the same time, the left and right side brackets of the front bumper are attached to the side edge of the fender, and tighten the screws according to the specified torque. In this way, the front bumper bracket is initially fixed by connecting with the fender and the front bumper.
Next, the front bumper installation also involves connecting the bumper harness to the body harness connector, after which the bumper is lifted and hung to the front guard bracket. At the same time, insert the flange of the bumper under the headlamp, so that the headlamp boss supports the bumper. This step further ensures that the front bar bracket is connected to the body sheet metal.
Finally, in order to complete the fixing of the front bumper bracket, it is also necessary to fix the top of the front bumper assembly with screws and push nails, and then attach the bottom mounting point of the front bumper assembly to the bottom deflector or front end module, and use screws to fix the bottom of the front bumper assembly. In addition, the wheel cover is fixed to the front bumper assembly using screws, thus completing the installation and fixing process of the entire front bumper bracket.
To sum up, the fixing of the front bar bracket involves the interaction and connection with the fender, the front bumper and the body sheet metal. Through a series of installation steps and fixing methods, the stability and safety of the front bar bracket on the vehicle are ensured.
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