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Slide rail for automobile sliding door

A technology of sliding doors and slide rails, which is applied in the field of auto parts, can solve problems such as difficult expansion and contraction, difficult sliding of slide rails, inconvenience, etc., and achieves the effect of excellent wear resistance and low friction coefficient

Inactive Publication Date: 2017-05-31
WUXI MINGSHENG STRONG BLOWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the actual use process, due to wear, foreign matter, rust, etc., it is difficult to slide the slide rail, so it is difficult to expand and contract, which brings great inconvenience to life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A sliding rail for automobile sliding doors, the surface of which has a plasma sprayed nano h-BN and graphene composite coating with a thickness of 20 μm.

[0022] The plasma sprayed nano h-BN and graphene composite coating on the surface of the slide rail is prepared by the following method:

[0023] Use planetary ball mill and centrifugal spray granulator to spray the coating material. The process includes:

[0024] (1) Ball mill the nano h-BN particles and graphene on a planetary ball mill for at least 5 minutes;

[0025] (2) 5 minutes before the ball milling stops, add the organic binder ball mill to obtain a suspension;

[0026] (3) The suspension is sprayed and granulated to obtain nano-h-BN and graphene aggregated particles.

[0027] The agglomerated particles of nano h-BN and graphene are sprayed onto the slide rail by plasma spraying. The plasma spraying has a current of 550A, a voltage of 30V, and an argon gas flow rate of 50L / min.

[0028] The composite coating of Exam...

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Abstract

The invention discloses a slide rail for an automobile sliding door. The surface of the slide rail is provided with a plasma spraying nano h-BN and graphene composite coating which is 20-30 [mu]m thick. The friction coefficient and the wear rate are decreased simultaneously through the coating, so that the low friction coefficient and excellent wear resistance are achieved, and under various loads, the wear rate is decreased by 50% or above compared with a matrix.

Description

Technical field [0001] The invention relates to the technical field of auto parts, in particular to a sliding rail for an automobile sliding door. Background technique [0002] Automobiles, especially multifunctional automobiles, such as MPVs or commercial vehicles, have their rear doors opened manually or electrically. Its opening method is different from the external pull type of a traditional car, but sliding back and forth. The sliding relies on sliding mechanisms installed on the upper and lower sides of the vehicle door. Generally, a guide rail cooperates with a locking mechanism to realize the front and rear sliding of the vehicle door, which has achieved the purpose of saving opening and closing space. [0003] CN 101169026B discloses a sliding door structure of an automobile, which uses at least one guide mechanism that guides the door body to the front and rear direction of the vehicle to slide the door body in the front and rear direction of the vehicle with respect to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05D13/00E05D15/06E05B83/40C23C4/134C23C4/10B60J5/06
CPCE05D13/00B60J5/062C23C4/10E05B83/40E05D15/0686
Inventor 张达明
Owner WUXI MINGSHENG STRONG BLOWER
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