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Sealed fixing structure of vehicle leading up wire and sealed fixing method thereof

A technology for sealing, fixing and leading wires, applied in vehicle parts, circuits or fluid pipelines, electrical components, etc., can solve problems such as high cost, inconvenient maintenance and disassembly, poor sealing, etc., and achieve broad application prospects and economic value, The effect of convenient post-maintenance and easy post-maintenance

Active Publication Date: 2017-07-28
ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For option (1), the cost is high because it needs to meet the sealing requirements of cables with different outer diameters; for option (2), such materials are greatly affected by the ambient temperature and are easy to fall off, and there is a risk of corrosion of cables in long-term contact with cables; For the solution (3), there are problems such as inconvenient maintenance and disassembly in the later stage and the risk of corroding cables; for the solution (4), the foam material is relatively hard, and there are problems such as poor sealing and inconvenient maintenance and disassembly in the later stage

Method used

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  • Sealed fixing structure of vehicle leading up wire and sealed fixing method thereof
  • Sealed fixing structure of vehicle leading up wire and sealed fixing method thereof
  • Sealed fixing structure of vehicle leading up wire and sealed fixing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] For the lead wires of vehicles in the field of automobiles and rail transit, the following processes are used for sealing and fixing:

[0037] 1. Clean the bottom of the metal frame of the lead-in hole of the vehicle body, seal the bottom of the metal frame of the lead-in hole with butyl sealing tape, and then use a narrower butyl sealing tape at the gap between the cable and the metal frame of the lead-in hole Winding is performed, thereby forming a sealing portion. When the cable in the lead-through hole is affected by external vibrations, the butyl sealing tape can be well adhered to the surface of the cable, and it is not easy to fall off from the cable to form a complete sealing system.

[0038] 2. Insert the embedded pipe, penetrate the butyl sealing tape, and expose a little, so that the position of the embedded pipe is easy to find. Pre-embedded pipes fall off during vibration.

[0039] 3. Pour MF962 silicone electronic sealant (self-leveling) (purchased from Zh...

Embodiment 2

[0042] For the lead wires of vehicles in the fields of automobiles and rail transit, the following processes are used for sealing and fixing:

[0043] 1. Clean the bottom of the metal frame of the lead wire hole of the vehicle body, seal the bottom of the metal frame of the lead wire hole with butyl sealing tape, and use a narrower butyl sealing tape at the gap between the cable and the bottom of the lead wire hole metal frame Winding is performed, thereby forming a sealing portion. When the cable in the lead wire hole is shaken by external influences, the butyl sealing tape can be well adhered to the surface of the cable, and it is not easy to fall off the cable to form a complete sealing system.

[0044] 2. Insert the embedded pipe, penetrate the butyl sealing tape, and expose a little, so that the position of the embedded pipe is easy to find. Pre-embedded pipes fall off during vibration.

[0045] 3. The MF850 airport runway self-leveling sealant (purchased from Zhengzhou...

Embodiment 3

[0048] Other processing steps are the same as those in Example 1, except that no pre-embedded pipe is provided.

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PUM

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Abstract

The invention provides a sealed fixing structure of a vehicle leading up wire. The structure comprises a leading up wire hole arranged on a vehicle body and a leading up wire passing through the leading up wire hole. A bottom of the leading up wire hole is provided with a butyl rubber belt sealing portion. A gap between the leading up wire and an inner wall of the leading up wire hole is provided with a sealant filling portion. The invention also provides a sealed fixing method of the vehicle leading up wire. The sealed fixing structure and the sealed fixing method can be applied to automobile and rail transit fields, such as the vehicle leading up wires of a subway, a high speed rail, a haulage motor and the like; and purposes of waterproof performance, dustproof performance, flame retardation, sound insulation, noise reduction, damping and the like are achieved, and later maintenance is simple. Used materials are environment-friendly type products, construction is simple, an appearance is beautiful, and a wide application prospect and an economic value are possessed in the automobile and rail transit field.

Description

technical field [0001] The invention relates to the fields of automobiles and rail transit, in particular to a sealing and fixing structure and a sealing and fixing method for a lead wire of a vehicle. Background technique [0002] In the field of automobiles and rail transit, such as subways, high-speed rails and locomotives, the sealing and fixing technology of vehicle lead wires is related to many aspects, not only the sealing level at the installation hole, but also the flame retardancy of the installation material, Environmental protection performance and the sound insulation, noise reduction, shock absorption effect of the material itself, etc., so as to ensure that the vehicle has good sealing and comfort. [0003] Generally speaking, the vehicle body is provided with lead-in holes, and the lead-in wires are set in the lead-in wire holes. The common solutions for sealing the lead-in wires mainly include the following: (1) Roxtec clamp block seal; (2) Non-drying putty ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G3/22H02G1/06F16L5/02B60R16/02
CPCB60R16/0215F16L5/02H02G1/06H02G3/22
Inventor 张燕红张娜娜张荣荣陆瑜翀袁培峰王海利杨秀丽张志新王好春朱吟湄李文莉张旭王玲玲陈继芳
Owner ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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