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Coupling

A coupling and shaft technology, applied in the detection field, can solve the problems of long time consumption, inconvenient alignment of keys and keyways, and impossibility of axial insertion, etc., and achieve the effect of improving detection efficiency

Pending Publication Date: 2020-05-01
HEFEI SOFTEC AUTO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, as the shaft of the sensor to be tested, a key has been installed or installed on it, and the power shaft and the sensor shaft can only be assembled in a static state, otherwise the keyway of the power shaft and the key of the sensor shaft will be in the circumferential direction. The positions of the two cannot be aligned, and the axial insertion of the two cannot be realized
In addition, during detection, the power shaft moves downward and is plugged into the sensor shaft, and the opening of the keyway is arranged downwards, and its orientation is difficult to observe, which makes the alignment of the key and the keyway extremely inconvenient
Therefore, in order to realize the test of electrical performance, it is necessary to start and stop the power motor frequently, which not only takes a long time, but also frequently starts and stops will seriously affect the service life of the motor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 2 , 3 As shown, the inner side wall 11 constitutes an opening or notch along the middle, which is high at the middle and low at both ends. The groove wall 10 constituting the hole or cavity 20 also includes a top surface 13 and an outer side wall 14 , the guide surface 12 is arranged along the extension direction of the inner side wall 11 , and the top surface 13 is arranged obliquely to form the guide surface 12 .

Embodiment 2

[0022] Such as Figure 4 , 5 As shown, one end of the orifice or notch formed by the inner side wall 11 is higher and the other end is lower, and the height and position of the two are opposite to each other. The guide surface 12 is arranged along the extension direction of the inner wall 11 , and the guide surface 12 transitionally connects the top surface 13 and the inner wall 11 .

Embodiment 3

[0024] Such as Image 6 As shown, one end of the orifice or notch formed by the inner side wall 11 is higher and the other end is lower, and the height and position of the two are opposite to each other. The groove wall 10 constituting the hole or the groove cavity 20 also includes a top surface 13, the guide surface 12 is arranged at a high position of the groove wall 10, the guide surface 12 intersects with the top surface 13 and the inner side wall 11 at one point and its intersection is adjacent to the inner side wall 11 Middle arrangement.

[0025] The use state of this embodiment is shown in Figures 7 and 8, the opening or notch of the hole or groove cavity 20 faces downward, and the coupling rotates while being displaced to the side where the rotating shaft A of the sensor to be tested is located. In this case, as shown in FIG. 7 during use, when the key B is on the front side of the guide surface 12, that is, when the guide surface 12 faces the key B, the guide surfac...

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Abstract

The invention belongs to the technical field of detection, and particularly relates to a coupling. The coupling comprises a hole or groove cavity for accommodating a shaft body section of a to-be-tested sensor rotating shaft, wherein the shaft body section is provided with a key, and the minimum cavity diameter of the hole or groove cavity is larger than the minimum size of the section of the shaft body section where the key is located and is smaller than the maximum size of the section of the shaft body section where the key is located. The hole or groove serves as the connecting end of the coupling and the to-be-tested sensor rotating shaft, so that the key portion of the to-be-tested sensor rotating shaft can be conveniently inserted into the hole or the groove and can be in abutting connection matching with a hole wall or a groove wall so as to synchronously rotate, and the detection efficiency of a sensor is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of detection, in particular to a shaft coupling. Background technique [0002] The odometer sensor, also known as the vehicle speed sensor, is usually installed at the output end of the gearbox or at the axle shaft. After obtaining the wheel speed, combined with the wheel circumference, the mileage or vehicle speed is calculated. The control computer of an automatic transmission car controls the engine idle speed, the torque converter lock-up of the automatic transmission, the shifting of the automatic transmission, the opening and closing of the engine cooling fan, and the cruising speed according to the signal input by the odometer sensor, and its quality will directly affect Car driving safety. Therefore, after the odometer sensor is assembled, its various performance indicators need to be tested one by one to ensure the factory quality of the product. [0003] During the electrical performance test, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D1/04
CPCF16D1/04
Inventor 许永华汪玉保王宇陈家振申旭晨
Owner HEFEI SOFTEC AUTO ELECTRONICS
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