一种转向器外拉杆防尘罩气密性检测装置

By designing a detection device that includes a workbench, a base, an air inlet, and a pressure sensor, the problem that existing equipment cannot detect the airtightness of the steering gear tie rod dust cover is solved, and effective airtightness detection of the dust cover is achieved, ensuring its sealing and lubrication effect on the vehicle.

CN224518054UActive Publication Date: 2026-07-17YUBEI CSA XINXIANG AUTO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUBEI CSA XINXIANG AUTO TECH CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing equipment is unable to perform airtightness testing on the dust cover of the steering gear tie rod, leading to problems such as seal failure and abnormal wear.

Method used

A testing device comprising a workbench, a base, an air inlet, a pressure sensor, and a display module was designed. The device simulates the actual vehicle conditions to test the airtightness of the dust cover and uses the pressure sensor and display module to monitor the internal pressure of the dust cover in real time.

Benefits of technology

It enables effective testing of the airtightness of dust covers, ensuring their sealing and lubrication performance under actual vehicle conditions, and preventing sealing failure and abnormal wear.

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Abstract

本实用新型公开了一种转向器外拉杆防尘罩气密性检测装置，涉及汽车转向防尘罩测试技术领域，旨在解决现有技术中当防尘罩安装在外拉杆组件后，受限于当前设备无法对防尘罩进行气密性检测的问题，采用的技术方案是，底座上开设进气口，进气口与充气泵连通，底座上有显示模块，显示模块包括控制器和显示屏，控制器和显示屏电性连接，进气口内有压力传感器，压力传感器和控制器电性连接，底座上可拆卸连接支架座，支架座上铰接摆动轴，摆动轴上可拆卸连接套筒，本实用新型通过卡槽和摆动轴的直径与实际车辆上球杆和球碗卡槽的直径相同，实现防尘罩的状态与在实际车辆上的状态一致，通过设置压力传感器和显示模块，实现测试时实时观测防尘罩内部压力。
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Claims

1. A kind of dust cover airtightness detection device of outer pull rod of steering gear, including workbench (1), it is characterized in that: The workbench (1) is detachably connected to a base (2). The base (2) has an air inlet (202) that runs vertically through it. The air inlet (202) is connected to an air pump. The base (2) is provided with a display module (3). The display module (3) includes a controller and a display screen (301). The controller is electrically connected to a power source. The controller and the display screen (301) are electrically connected. The air inlet (202) contains a pressure sensor (4). The pressure sensor (4) is electrically connected to the controller. The base (2) is detachably connected to a bracket (5). The bracket (5) is hinged to a swing shaft (6). The swing shaft (6) is detachably connected to a sleeve (8).

2. The device of claim 1, wherein: A through hole (101) is provided on the workbench (1), and the diameter of the through hole (101) is larger than the diameter of the air inlet (202).

3. The device of claim 1, wherein: The base (2) has a fixed threaded hole (203) at its bottom. The base (2) is fixed to the workbench (1) by bolts and the fixed threaded hole (203).

4. The device of claim 3, wherein: An air inlet pipe threaded port (2021) is provided on the inner side of the air inlet (202), and the air pipe of the air pump is connected to the air inlet (202) by threading with the air inlet pipe threaded port (2021).

5. The device of claim 4, wherein: The base (2) has a slot (201) on its outer side.

6. The device of claim 5, wherein: The bracket (5) has a first thread (501) and the bracket (5) is threadedly connected to the base (2) through the first thread (501).

7. The device of claim 1, wherein: A second thread (601) is provided on the swing shaft (6).

8. The device of claim 7, wherein: The sleeve (8) has an internal thread, and the sleeve (8) is hinged to the swing shaft (6) through the internal thread and the second thread (601).