5 pin 7283-7050-30 90980-11024 Auto Connector Waterproof Sealed Wire Connector For Lgnition Coil Plug 2.2 Series

1) When the wire harness passes through the metal hole, the wear of the wire harness by the metal parts is avoided by adding a through-hole sheath.

2) When the wire harness passes over the metal parts, in order to avoid the edges of the metal parts causing wear to the wire harness, consider using special-shaped ties or adding rubber strips to the metal parts for protection.

3) The wiring harness should be arranged along the edge and along the groove to prevent the wiring harness from directly bearing pressure.

4) The size of the wire harness should comply with the regulations of QC/T 29106, and the limit deviation of the basic size of the wire bundle is shown in Table 1.

5) When the diameter of the wire harness is too large, it is necessary to reserve enough space when bending a certain angle. Generally, the bending radius of the wire harness should be greater than twice the diameter of the wire harness. This problem should be considered at the root of the straight connector to avoid excessive bending space. Minor damage to the wiring harness and connectors.

6) All wire harnesses arranged near moving parts should have at least a 50 mm gap between them and the moving parts.

7) The wiring harness on the two relatively moving parts must be fixed to each moving part.

8) , Moving parts, opening and closing parts (such as car doors), and the wiring harness between them should have the maximum opening length, and consider the stacking space and fixing method when the parts are at the minimum opening. Figure 4 shows the transition of the wiring harness between the door and the body-in-white of a certain light-duty vehicle. When designing the wiring harness, the maximum opening of the door should be considered, and the length of the wiring harness should be determined according to the distance between the door and the body-in-white at the maximum opening of the door. After the length is determined, it is necessary to verify the gap between the door and the body-in-white when the door is closed. In order to avoid squeezing the harness sheath and wire harness when the door is closed, a concave treatment can be made on the corresponding position of the door or body-in-white.

9). The distance between adjacent fixed points of a long wire harness cannot exceed 300 mm. When the car body structure cannot be guaranteed, the maximum distance between adjacent fixed points cannot exceed 400 mm.

10) Where the wire harness bends, fixed points should be set before and after the bending point.

11) When the metal structural parts are not allowed to open holes, you can consider welding clamping bars or welding protruding brackets and protruding welding bolts (clamping columns) to fix the wire harness.

12) It is necessary to connect the electrical device connectors outside and plug back the fixed wiring harness. In addition to leaving enough length for the pull-out operation to ensure the maintainability of the wiring harness, it is also necessary to consider the accumulation space of the wiring harness after fixing and the fixing of the wiring harness. Way.

13) During design, the wiring harness branches must have sufficient slack (greater than the minimum length of the wiring harness 25 mm) so that they do not produce prestress on the connected electrical components.

14) Due to the differentiation of vehicles, the wiring harness branches that are not used during assembly should be straightened out according to 100-200 mm and then fixed on the main line or bracket as shown in Figure 5. When bundling the wiring harness, the minimum bending radius should not be less than the diameter of the wiring harness 2 times. For example, the processing of the spare tire lifting switch branch of the chassis wiring harness of an off-road vehicle, because the spare tire lifting switch of the vehicle is arranged on the compartment, it is necessary to reliably bind this section of wiring harness to the trunk of the chassis wiring harness during chassis assembly.

15) Depending on the location of the wire harness and the working conditions, different wire harness protection forms are designed, such as the door wire harness and the left and right body wire harnesses inside the interior trim panel. Due to the small space, tape protection is generally considered; the chassis has a lot of contact with the car body. And when exposed to the outdoors, closed corrugated pipes with waterproof properties are generally used for protection; heat insulation measures are required for wiring near parts with higher temperatures in the vehicle (such as engines, etc.).

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