CN211504623U - Automobile combined switch handle operating force testing device - Google Patents
Automobile combined switch handle operating force testing device Download PDFInfo
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- CN211504623U CN211504623U CN201921920088.3U CN201921920088U CN211504623U CN 211504623 U CN211504623 U CN 211504623U CN 201921920088 U CN201921920088 U CN 201921920088U CN 211504623 U CN211504623 U CN 211504623U
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- torque sensor
- operating force
- combination switch
- handle
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Abstract
The utility model discloses a car combination switch handle operating force testing arrangement, the test bench mesa is located to the servo motor and the torque sensor interval of this device, adopts the coupling joint between servo motor and the torque sensor, and the torque sensor axle head is located at the rotary rod center, and the rotary rod is connected perpendicularly to driving lever one end, and the test bench outside is located perpendicularly and lie in same axis with torque sensor to the support column, and the support column top is located to the combination switch frame, and the driving lever other end supports the handle that leans on the combination switch. The device overcomes the defect of the traditional combined switch handle operating force test, accurately drives the switch handle to rotate according to the gear of the combined switch, ensures the force application direction of the operating force, avoids the influence of human factors, records the operating force test value in real time, effectively improves the test precision, and ensures the accuracy and reliability of the switch handle operating force test.
Description
Technical Field
The utility model relates to a car combination switch handle operating force testing arrangement.
Background
The combined switch for automobile is a kind of set of switches for electric appliances of automobile, it is installed on the steering column of automobile and is a device composed of more than two switches for controlling the light, signal and controlling electric appliances of automobile. As shown in figure 1, the internal structure of the automobile combined switch handle generally adopts a groove type structure, the switch handle 1 is shifted through a rotating shaft 4 through a guide block 2 and is reset through a torsion spring 3, and a guide groove 21 is arranged at the connecting part of the guide block 2 and the switch handle 1. The handle force characteristic of the combined switch is a factor to be considered when evaluating a vehicle, and the handle force characteristic reflects the characteristics of a product structure and the stability of a product process besides giving an operation feeling to a driver. Therefore, the test research aiming at the operating force of the automobile combined switch handle is helpful for product designers to analyze the product defects and improve the product structure and process.
According to the regulations, the torque required for switching the combined switch handle from one gear to another gear is in accordance with the regulations of the design documents. The difference between the left and right transfer torques should be no more than 25% of any one (left or right) of the shift transfer torques. The internal structure of the combined switch handle determines that the approximate state of the operating force required by the handle is a stress application process and a critical state in the switching process of each gear, and then the handle enters a falling process after the stress application process, and an impact process can occur after the handle falls back. Therefore, the operation force of the automobile combined switch handle has great influence on the product structure and the process.
The design drawing of the combined switch defines the operation force value and the operation direction of the handle, and the general operation direction is 90 degrees to the axis of the handle of the combined switch. The traditional handle operating force test is carried out manually by adopting a pressure sensor or a handheld push-pull dynamometer, the operating force is applied in a direction which is approximately 90 degrees to the axis direction of the combined switch handle, and the maximum value of the operating force is recorded by the pressure sensor or the handheld push-pull dynamometer in the force application process. The testing mode has certain defects and limitations, the stability of the force application direction cannot be measured and ensured in the manual force application process, the force application direction is continuously changed due to the fact that the handle is not in a fixed position in the force application process but continuously rotates around the axis, and the actual measuring result has larger deviation from the actual operating force value. And different operators have large difference of obtained measurement values due to operation habits and skills, analysis and processing are difficult to carry out, the measurement result cannot simply and intuitively draw the relation between the gears and the operation force, and the workload of later analysis and processing is increased.
Disclosure of Invention
The utility model aims to solve the technical problem that a car combination switch handle operating force testing arrangement is provided, the defect of traditional combination switch handle operating force test is overcome to this device, and the accuracy is rotated according to combination switch gear drive switch handle to ensure the application of force direction of operating force, avoid the influence of human factor, the real-time recording operating force test value effectively improves the measuring accuracy, has guaranteed the accuracy of switch handle operating force test reliably.
For solving the technical problem, the utility model discloses car combination switch handle operating force testing arrangement includes combination switch, test bench, support column, servo motor, torque sensor, rotary rod and driving lever, servo motor and torque sensor interval are located test bench mesa, adopt the coupling joint between servo motor and the torque sensor, the rotary rod center is located the torque sensor axle head and rotary rod are located the test bench mesa outside, driving lever one end is connected perpendicularly the rotary rod, the support column is located perpendicularly the test bench outside and with torque sensor is located same axis, combination switch erects in the support column top, the driving lever other end supports and leans on combination switch's handle.
Furthermore, a plurality of through holes are formed in the rotating rod at intervals along the length direction, and one end of the shifting rod is inserted into one of the through holes.
Furthermore, the center of the rotating rod is arranged at the shaft end of the torque sensor through a bolt.
Because the utility model discloses car combination switch handle operating force testing arrangement and method have adopted above-mentioned technical scheme, the test bench mesa is located to the servo motor and the torque sensor interval of this device promptly, adopts the coupling joint between servo motor and the torque sensor, the torque sensor axle head is located at the rotary rod center, the rotary rod is connected perpendicularly to driving lever one end, the support column is located the test bench outside perpendicularly and is located same axis with torque sensor, combination switch erects in the support column top, the driving lever other end supports the handle that leans on combination switch. The device and the method overcome the defect of the traditional combined switch handle operating force test, accurately drive the switch handle to rotate according to the gear of the combined switch, ensure the force application direction of the operating force, avoid the influence of human factors, record the operating force test value in real time, effectively improve the test precision and ensure the accuracy and reliability of the switch handle operating force test.
Drawings
The invention will be described in further detail with reference to the following drawings and embodiments:
FIG. 1 is a schematic view of an internal toggle structure of a handle of an automobile combination switch;
fig. 2 is the utility model discloses car combination switch handle operating force testing arrangement schematic diagram.
Detailed Description
Embodiment as shown in fig. 2, the device for testing the operating force of the handle of the automobile combination switch of the present invention comprises a combination switch 1, a testing bench 2, a supporting column 3, a servo motor 4, a torque sensor 5, a rotating rod 6 and a shift lever 7, the servo motor 4 and the torque sensor 5 are arranged on the table surface of the test bench 2 at intervals, the servo motor 4 and the torque sensor 5 are connected by a coupling 8, the center of the rotating rod 6 is arranged at the shaft end of the torque sensor 5, and the rotating rod 6 is positioned outside the table top of the test bench 2, one end of the shift lever 7 is vertically connected with the rotating rod 6, the supporting column 3 is vertically arranged on the outer side of the test bench 2 and is positioned on the same axis with the torque sensor 5, the combination switch 1 is erected at the top end of the support column 3, and the other end of the shift lever 7 abuts against a handle 11 of the combination switch 1.
Preferably, the rotating rod 6 is provided with a plurality of through holes 61 at intervals along the length direction, and one end of the shift lever 7 is inserted into one of the plurality of through holes 61. The driving lever can be adjusted in position on the rotary rod through the through holes, is convenient to match with tested combination switch handles of different models, and improves application flexibility of the device.
Preferably, the center of the rotating rod 6 is arranged at the shaft end of the torque sensor 5 through a bolt 62, and the rotating rod protrudes out of the test bench and is connected through a bolt so as to be convenient for dismounting and mounting the rotating rod, so that the rotating rod is convenient to store when no test item exists.
The method for testing the operating force of the automobile combined switch handle based on the device comprises the following steps:
fixing the combination switch at the top end of a support column through a clamp, and adjusting the position of a set deflector rod through a through hole reserved in a rotating rod to enable the deflector rod to be located 10mm away from the tail end of a handle of the combination switch;
setting a force arm value L, wherein the force arm value L is the radial distance between the position of the shift lever and the center of a rotating shaft of the servo motor;
step three, setting the step length of a servo motor according to the gear of a handle of the automobile combination switch, starting the servo motor, driving a torque sensor to rotate through a coupler by the servo motor, driving a deflector rod to rotate around a rotating shaft of the torque sensor through a rotating rod, and pushing the handle to synchronously rotate by the deflector rod;
step four, when the handle rotates to reach a gear, the servo motor is stopped, and the torque sensor outputs real-time torque for driving the handle to rotate in the rotating process of the handle;
step five, drawing a corresponding curve of the real-time torque and the handle displacement in the handle rotation process, and reading out the maximum value M of the torque at the inflection point of the curve, so that the operation force value F of the combined switch handle is as follows:
wherein, M is the maximum torque value in the handle rotation process, L is the moment arm value of drive handle pivoted, and the handle pivoted angle is unanimous with servo motor pivoted angle.
The device and the method are used for improving and perfecting the test of the operating force of the automobile combination switch handle, reducing the influence of the product appearance and the handle moving process on the test experiment, being capable of feeding back the relation between the operating force and the handle moving angle in real time, being clearer and more clear, and being convenient for product designers to analyze and improve the problems of the product.
The device ensures that the rotation axis of the handle is concentric with the axis of the torque sensor, so that the rotation torque of the handle is the same as the torque borne by the torque sensor, the servo motor outputs the rotation angle of the deflector rod in real time, the torque sensor outputs the borne torque in real time, and the relationship curve between the real-time angle and the operating force of the combination switch in the gear switching process can be drawn by taking the rotation angle as a horizontal coordinate and the torque as a vertical coordinate; by analyzing the relation curve between the real-time angle and the operating force of the combination switch in the gear switching process, product designers can better analyze the defects of products and improve the structure and the process of the products.
The device and the method solve the problem of test errors caused by different operations and product differences in the traditional test method, can meet the torque test requirements of different products for different functions, are simple in transmission mechanism, reduce errors during transmission, are convenient to install and operate, are convenient to test and operate, improve the test efficiency, display test data in real time, and are simple and clear in test result, and convenient for analysis and treatment of possible problems.
Claims (3)
1. The utility model provides an automobile combination switch handle operating force testing arrangement, includes combination switch, its characterized in that: still include test bench, support column, servo motor, torque sensor, rotary rod and driving lever, servo motor and torque sensor interval are located the test bench mesa, adopt the coupling joint between servo motor and the torque sensor, the rotary rod center is located torque sensor axle head and rotary rod are located the test bench mesa outside, driving lever one end is connected perpendicularly the rotary rod, the support column is located perpendicularly the test bench outside and with torque sensor is located same axis, combination switch erects the support column top, the driving lever other end supports and leans on combination switch's handle.
2. The automobile combination switch handle operation force test device according to claim 1, characterized in that: the rotating rod is provided with a plurality of through holes at intervals along the length direction, and one end of the shifting rod is inserted into one of the through holes.
3. The automobile combination switch handle operation force test device according to claim 1 or 2, characterized in that: the center of the rotating rod is arranged at the shaft end of the torque sensor through a bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921920088.3U CN211504623U (en) | 2019-11-08 | 2019-11-08 | Automobile combined switch handle operating force testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921920088.3U CN211504623U (en) | 2019-11-08 | 2019-11-08 | Automobile combined switch handle operating force testing device |
Publications (1)
Publication Number | Publication Date |
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CN211504623U true CN211504623U (en) | 2020-09-15 |
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CN201921920088.3U Active CN211504623U (en) | 2019-11-08 | 2019-11-08 | Automobile combined switch handle operating force testing device |
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CN (1) | CN211504623U (en) |
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2019
- 2019-11-08 CN CN201921920088.3U patent/CN211504623U/en active Active
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