Stable clamp for testing durability of vehicle seat angle adjuster motor

Abstract

The invention discloses a stable clamp for testing the durability of a vehicle seat angle adjuster motor. The stable clamp comprises a base (1), a movable beam (2) and a spline shaft (3). The base isprovided with a bottom plate, a wall board, a bearing A, a guide column, a standstill locking column and a fixed beam. The movable beam is provided with a bearing B, a guide sleeve and a fastening sleeve. The spline shaft is a cylindrical stepped steel component which has a circumferential cross section and evenly provided with a plurality of sector teeth. The movable beam slidingly sleeves the guide column through the guide sleeve and the fastening sleeve. The axis of the bearing B and the axis of the bearing A coincide. The spline shaft is in interference fit and fixedly connected with the bearing A. The spline shaft is in corresponding sliding fit with the inner circle of the bearing B. During work, the left end of the spline shaft is stably supported by the bearing B, the movable beamand the guide column, the spline shaft is prevented from hopping, and the abnormal damage of a gear reducer is avoided; according to the technical scheme, the durability of the vehicle seat angle adjuster motor is tested, and the aims of avoiding the abnormal damage and smoothly completing the whole durability testing process are realized.

Description

technical field [0001] The invention relates to a detection jig, in particular to a stable jig for testing the durability of an automobile seat recliner motor used for testing the durability performance of an automobile seat recliner motor. Background technique [0002] Description: The motor of the car seat recliner is an integrated assembly device composed of a motor and a gear reducer, hereinafter referred to as the angle adjustment motor; the gear reducer of the angle adjustment motor is an all-plastic component, that is, the gear reducer The gear and the box are all made of plastic components; the output end of the angle-adjusting motor is a through hole provided with an internal spline called an internal spline hole; in the mass production of the angle-adjusting motor, it is required to The product is tested for durability items, referred to as durability test; the durability test includes load test and locked-rotor durability test. A permanent stall test, each stall ...

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Problems solved by technology

[0002] Description: The motor of the car seat recliner is an integrated assembly device composed of a motor and a gear reducer, hereinafter referred to as the angle adjustment motor; the gear reducer of the angle adjustment motor is an all-plastic component, that is, the gear reducer The gear and the box are all made of plastic components; the output end of the angle-adjusting motor is a through hole provided with an internal spline called an internal spline hole; in the mass production of the angle-adjusting motor, it is required to The product is tested for durability items, referred to as durability test; the durability test includes load test and locked-rotor durability test. A permanent stall test, each stall lasts for 2 seconds, and the number of stall tests requires more than 8000 times, referred to as the stall durability test; the prior art uses a direct connection fixture to connect the angle-adjusting motor to the simulated load connected directly to the Figure 5 , that is, set a spline shaft at the input end of the simulated load device, fix the angle adjustment motor on a bracket, and directly connect the spline shaft through the inner spline hole; this direct connection fixture is in the In the above-mentioned stall durability test, the simulated loader forced the angle-adjusting motor to stall through sudden braking, and the plastic gear of the gear reducer was abnormally damaged due to the bouncing of the spline shaft deviated from the axis of the conical track. Abnormal damage makes it difficult for the angle-adjusting motor to complete the entire process of durability testing; therefore, there are problems and deficiencies in the prior art that are abnormally damaged and difficult to complete the durability test

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