Testing device for vehicle-mounted navigation knob

Abstract

The utility model relates to a testing device for a vehicle-mounted navigation knob. The testing device comprises a base, a motor, a rotating shaft, a knob clamp and a speed regulation knob, the base is provided with a first motor groove and a first shaft body notch, and the first motor groove is communicated with the first shaft body notch; the motor is matched with the first motor groove and fixed to the base, one end of the rotating shaft is in transmission connection with the motor, and the other end of the rotating shaft penetrates through the first shaft body notch. The knob clamp is in transmission connection with the other end of the rotating shaft; a rotating shaft of the knob clamp is collinear with the rotating shaft; and the speed regulation knob is fixed on the base and is electrically connected with the motor. According to the testing device of the vehicle-mounted navigation knob, by arranging the speed adjusting knob, research and development personnel can adjust the rotating speed of the motor by screwing the adjusting knob, so that the testing device is more suitable for testing research and development scenes with variable rotating speeds, and has the advantages of being convenient to use and accurate in adjustment and calibration.

Description

Technical Field

[0001] The utility model relates to the field of automobile knob testing, in particular to a testing device for a vehicle-mounted navigation knob. Background Art

[0002] The in-car navigation knob is a frequently used human-machine interface in the car. Its functions include wiper switch and mode switching, light switching, gear adjustment, volume adjustment, air conditioning adjustment, screen control, driving mode switching, seat adjustment, sunroof control, reading light brightness adjustment, etc. As the market's demand for product usage experience improves, consumers are no longer limited to paying attention to the service life of the knob, but also have requirements for the operating feel of the knob. Different functions have different requirements for the operating feel of the knob, which requires corresponding adjustments during the product development stage.

[0003] The operating feel of a knob is related to the control accuracy of the knob, the torque of the knob, and the operation of the knob at different speeds. However, the current knob testing device is generally used in the knob production process, mainly to test the torque and service life of the knob; while the test of the knob operating feel is done manually, which cannot guarantee the stability of the test conditions, cannot quantify the test conditions and test results, and is difficult to make accurate and effective adjustments to the poor feel reported by consumers. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a testing device for a vehicle-mounted navigation knob. By setting an adjustment knob, R&D personnel can adjust the speed of the motor by turning the adjustment knob, making the device more suitable for R&D scenarios with variable test speeds, and has the advantages of easy use and precise adjustment.

[0005] A testing device for a vehicle-mounted navigation knob comprises a base, a motor, a rotating shaft, a knob fixture and a speed regulating knob; the base is provided with a first motor slot and a first shaft notch, the first motor slot is communicated with the first shaft notch; the motor cooperates with the first motor slot and is fixed to the base, one end of the rotating shaft is transmission-connected to the motor, and the other end of the rotating shaft is arranged through the first shaft notch; the knob fixture is transmission-connected to the other end of the rotating shaft, and the rotating axis of the knob fixture is colinear with the rotating shaft; the speed regulating knob is fixed on the base and electrically connected to the motor.

[0006] The utility model discloses a testing device for a vehicle-mounted navigation knob, which, by providing an adjusting knob, allows researchers to adjust the rotation speed of a motor by turning the adjusting knob, thereby making the device more suitable for testing a research and development scenario with a variable rotation speed, and has the advantages of being easy to use and having precise adjustment.

[0007] Furthermore, it also includes a battery and a power switch, both of which are fixed on the base, and the battery is electrically connected to the power switch, the motor and the speed knob. By providing the battery and the power switch, the test device does not need to be powered by a wiring harness when in use, and is not bound by the wiring harness. On the one hand, the use position of the test device does not need to be close to the socket, and on the other hand, the test device does not have a wiring harness blocking the field of view or hindering the normal rotation of the knob fixture when in use.

[0008] Furthermore, a display unit is included, the display unit is fixed to the base, and the display unit is electrically connected to the speed knob. The display unit is set to display the specific speed of the current motor, which is convenient for R&D personnel to adjust the speed of the motor more accurately on the one hand, and convenient for R&D personnel to test the knob at different speeds on the other hand.

[0009] Furthermore, it also includes a reduction gearbox, and the base is also provided with a first gearbox slot, the reduction gearbox cooperates with the first gearbox slot and is fixed to the base, the input end of the reduction gearbox is transmission-connected to the motor, and the output end of the reduction gearbox is transmission-connected to one end of the rotating shaft. By providing a reduction gearbox, the torque provided by the motor is amplified, making the test device more suitable for R&D scenarios with variable test torques.

[0010] Furthermore, a forward and reverse switch is included, the forward and reverse switch is fixed to the base, and the forward and reverse switch is electrically connected to the motor. By setting the forward and reverse switch, the motor can be conveniently adjusted to forward and reverse through the button on the base, making the device more suitable for research and development scenarios.

[0011] Furthermore, the knob fixture includes a fixture seat, a fixture wall and a plurality of clamping ridges; the fixture seat is provided with a mounting groove and a first axial hole, the mounting groove is located on one side of the fixture seat, the first axial hole is located at the bottom of the mounting groove, the other end of the rotating shaft is arranged through the first axial hole and is located in the mounting groove, one end of the fixture wall is fixed to one side of the fixture seat and arranged along the outer circumference of the fixture seat, and a plurality of the clamping ridges are detachably fixed to the inner side of the fixture wall. The clamping ridges are provided to increase the stability of the knob fixture in clamping the knob, and the clamping ridges are detachably fixed, and the clamping ridges can be replaced after being worn, thereby reducing the use cost of the test device.

[0012] Furthermore, the knob fixture further includes a reinforcement part, which is fixed on the other side of the fixture seat, and is provided with a second axial hole, which is connected to the first axial hole, and the direction in which the second axial hole extends is colinear with the direction in which the first axial hole extends, and the other end of the rotating shaft is sequentially passed through the second axial hole and the first axial hole and is located in the mounting groove. The reinforcement part is provided to increase the stability of the fixing of the rotating shaft and the knob fixture on the one hand, and reduce the wear of the rotating shaft and the knob fixture caused by the unstable fixing; on the other hand, it enhances the concentricity of the rotating shaft and the knob fixture during rotation, thereby increasing the accuracy of the test device.

[0013] Furthermore, it also includes a gland, which is arranged on the base and is detachably fixed to the base, and includes a cover body, which is provided with a second motor slot and a second shaft notch, the position of the second motor slot corresponds to the position of the first motor slot, the position of the second shaft notch corresponds to the position of the first shaft notch, the second motor slot cooperates with the motor, and the other end of the rotating shaft passes through the second shaft notch. By providing the gland, the stability of the motor fixed on the base is increased, the slight vibration of the motor is reduced, and the accuracy of the test device is increased.

[0014] Furthermore, the gland also includes a positioning column, and the base is also provided with a positioning groove, and the positioning column cooperates with the positioning groove. By providing the positioning column on the gland and the positioning groove on the base, the stability of the fixed position of the gland and the base is increased, thereby increasing the stability of the motor position and increasing the accuracy of the test device.

[0015] Furthermore, it also includes a single chip microcomputer and a communication unit, wherein the single chip microcomputer is electrically connected to the communication unit, the motor and the speed knob. By setting up the single chip microcomputer and the communication unit, the test device can transmit the test data to the computer, reducing the workload of R&D personnel in recording data.

[0016] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0018] Figure 2 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0019] Figure 3 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0020] Figure 4It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0021] Figure 5 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0022] Figure 6 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0023] Figure 7 It is a structural schematic diagram of a knob clamp according to an embodiment;

[0024] Figure 8 It is a structural schematic diagram of a knob clamp according to an embodiment;

[0025] Fig. 9 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0026] Fig.10 This is a schematic structural diagram of a gland according to an embodiment;

[0027] Fig.11 It is a structural schematic diagram of a testing device for a vehicle-mounted navigation knob according to an embodiment;

[0028] Fig.12 This is a schematic structural diagram of a gland according to an embodiment;

[0029] Among them, the base 101, the assembly part 1011, the hand-held part 1012, the motor seat 102, the first motor slot 1021, the first shaft notch 1022, the first gear box slot 1023, the positioning slot 1024, the motor 2, the rotating shaft 3, the knob clamp 4, the clamp seat 401, the installation slot 4011, the first shaft hole 4012, the clamp wall 402, the clamping ridge 403, the reinforcement part 404, the second shaft hole 4041, the speed control knob 5, the battery 6, the power switch 7, the display unit 8, the reduction gear box 9, the forward and reverse switch 10, the cover body 1101, the second motor slot 11011, the second shaft notch 11012, the second gear box slot 11013, and the positioning column 1102. DETAILED DESCRIPTION

[0030] It should be clear that the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the embodiments of the present application.

[0031] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0032] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects, and do not have to be used to describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0033] In addition, in the description of this application, unless otherwise specified, "multiple" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0034] It should be understood that the embodiments of the present application are not limited to the precise structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the embodiments of the present application is limited only by the appended claims.

[0035] The present application embodiment provides a test device for a vehicle navigation knob. Figure 1 and Figure 2, including a base, a motor 2, a rotating shaft 3, a knob fixture 4 and a speed knob 5, the motor 2 and the speed knob 5 are fixed on the base, and the knob fixture 4 is connected to the motor 2 through the rotating shaft 3; the base includes a base 101 and a motor seat 102, one end of the base 101 is set toward the ground, the base 101 is located between the ground and the motor seat 102, one end of the motor seat 102 is fixed to the end face of the other end of the base 101, the area of ​​the end face of the other end of the base 101 is larger than the area of ​​the end face of one end of the motor seat 102, so that the base 101 plays a role in supporting the motor seat 102, and the other end of the motor seat 102 is provided with a first motor slot 1021 and a first shaft notch 1 022, the first motor slot 1021 is connected to the first shaft notch 1022; the motor 2 cooperates with the first motor slot 1021 and is fixed to the base, the shaft of the motor 2 is set toward the first notch, one end of the shaft 3 is connected to the shaft of the motor 2, when the motor 2 is running, the shaft of the motor 2 rotates and drives the shaft 3 to rotate, and the other end of the shaft 3 passes through the first shaft notch 1022; the knob fixture 4 is connected to the other end of the shaft 3, the rotating shaft 3 of the knob fixture 4 is colinear with the shaft 3, and when the shaft 3 rotates, it drives the knob fixture 4 to rotate along the same axis; as an implementation method to improve the flexibility of the test device, the knob fixture 4 and the other end of the shaft 3 are detachable The speed knob 5 of this embodiment is fixed on the base and electrically connected to the motor 2. The R&D personnel can adjust the speed of the motor 2 by turning the speed knob 5 to cope with the different requirements of different knobs for the speed. It should be noted that the speed knob 5 of this embodiment is selected to allow the R&D personnel to have a clear understanding of the speed corresponding to the current speed knob 5. As an implementation method, if stepless speed regulation is required, a speed mark can be set on the speed knob 5 and the base surrounding the outer periphery of the speed knob 5, so that the R&D personnel can adjust the speed of the motor 2 by turning the speed knob 5. The markings on the speed knob 5 and the markings on the base provide a clear understanding of the adjusted speed; as another implementation, when stepless speed regulation is not required, a speed knob 5 with an obvious gear position when rotating can be used, so that the R&D personnel can have a clear understanding of the adjusted speed according to the number of gears and the speed difference corresponding to the gears; in this embodiment, the base 101 includes an assembly portion 1011 and a hand-held portion 1012, and the hand-held portion 1012 is protruding from the assembly portion 1011 to facilitate the R&D personnel to grasp and hold the test device with one hand; in other embodiments, the hand-held portion 1012 can be provided with appropriate holes or grooves to facilitate the R&D personnel to grasp and hold the test device more firmly;One end of the motor base 102 of the present embodiment is fixed to the handheld part 1012 and is arranged close to one end of the handheld part 1012. The direction in which the handheld part 1012 extends, the axis of rotation of the knob fixture 4 and the axis of rotation of the knob to be tested are coplanar, so that the R&D personnel can feel more comfortable when docking the test device with the knob to be tested, which is conducive to the R&D personnel to complete the matching process of the knob fixture 4 and the knob to be tested more smoothly and accurately; as an optional embodiment, the direction in which the handheld part 1012 extends, the axis of rotation of the knob fixture 4 and the axis of rotation of the knob to be tested should be as close to coplanar as possible; in other embodiments, as an integrated and compact embodiment, the base 101 can be composed only of the handheld part 1012, and the size of the speed knob 5 is appropriately reduced and fixed on the base. Specifically, the speed knob 5 can be fixed on the base 101 or the motor base 102; on the basis of the aforementioned integrated and compact embodiment, as a more integrated and compact embodiment, a speed knob 5 fixing groove can be provided on the base, and the speed knob 5 is matched with the speed knob 5 fixing groove and fixed on the base. When using the vehicle navigation knob test device of this embodiment, the R&D personnel can hold the handheld part 1012 in one hand and take the test device to the workbench where the knob to be tested is placed, and make the knob fixture 4 cooperate with the knob to be tested. At this time, the knob fixture 4 clamps the knob to be tested, and then energizes the motor 2 to run. Specifically, the shaft of the motor 2 can be rotated forward or reversely by changing the power supply mode, and the speed can be adjusted by turning the speed knob 5 to obtain information such as the torque, service life, and adjustment accuracy at different speeds of the knob. In this embodiment, since the vehicle navigation knob test device is provided with a speed knob 5, the R&D personnel can adjust the speed of the motor 2 by turning the adjustment knob, making the device more suitable for R&D scenarios with variable test speeds, and has the advantages of easy use, wide application range, and precise adjustment. ;

[0036] In order to improve the convenience of using the test device and make it more suitable for R&D scenarios, in one embodiment, refer to Figure 3 The test device for the vehicle navigation knob also includes a battery 6 and a power switch 7. Both the battery 6 and the power switch 7 are fixed on the base. The battery 6 is electrically connected to the power switch 7, the motor 2 and the speed knob 5. By providing the battery 6 and the power switch 7, the test device does not need to be powered by a wiring harness and is not bound by the wiring harness when in use. On the one hand, the use position of the test device does not need to be close to the socket. On the other hand, there is no wiring harness to block the field of view or hinder normal rotation of the test device when in use. In other embodiments, the battery 6 is detachably fixed to the base, so that when the test device is exhausted, it is not limited to obtaining battery life by charging, but can also obtain battery life by replacing the battery 6.

[0037] In order to make the quantification of the test conditions and test results more accurate, in one embodiment, refer to Figure 4The test device for the vehicle navigation knob further includes a display unit 8, which is fixed to the base and electrically connected to the speed knob 5. The display unit 8 is arranged to display the specific speed of the current motor 2, which is convenient for the R&D personnel to adjust the speed of the motor 2 more accurately on the one hand, and convenient for the R&D personnel to test the knob more accurately at different speeds on the other hand.

[0038] In the R&D scenario, the test device is generally used by multiple R&D personnel. Different R&D personnel have different R&D objects, which puts forward requirements for the breadth of the adjustable torque range of the test device. In order to expand the application scope of the test device, in one embodiment, refer to Figure 5 The test device for the vehicle navigation knob also includes a reduction gearbox 9. The other end of the motor base 102 is provided with a first gearbox slot 1023. The reduction gearbox 9 cooperates with the first gearbox slot 1023 and is fixed to the motor base 102. The input end of the reduction gearbox 9 is connected to the shaft of the motor 2 by transmission, and the output end of the reduction gearbox 9 is connected to one end of the rotating shaft 3 by transmission. By providing the reduction gearbox 9, the torque range provided by the motor 2 is enlarged, making the test device more suitable for R&D scenarios with variable test torques.

[0039] In the R&D scenario, the test device is generally used by multiple R&D personnel. Different R&D personnel have different research and testing progress, which puts forward the requirement that the test device can cope with frequent adjustment of the forward and reverse rotation of the motor 2. In order to improve the convenience of adjusting the forward and reverse rotation of the motor 2 of the test device, in one embodiment, refer to Figure 6 The test device for the vehicle navigation knob further includes a forward and reverse switch 10, which is fixed to the base 101 and electrically connected to the motor 2. By providing the forward and reverse switch 10, the motor 2 can be conveniently adjusted in forward and reverse rotation through the button on the base, making the device more suitable for research and development scenarios.

[0040] In order to increase and maintain the stability of the knob clamp 4 holding the knob, in one embodiment, refer to Figure 7 The knob fixture 4 includes a fixture seat 401, a fixture wall 402 and a plurality of clamping ridges 403; the fixture seat 401 is provided with a mounting groove 4011 and a first shaft hole 4012, the mounting groove 4011 is located at one side of the fixture seat 401, the first shaft hole 4012 is located at the bottom of the mounting groove 4011, the other end of the rotating shaft 3 is arranged through the first shaft hole 4012 and is located in the mounting groove 4011, one end of the fixture wall 402 is fixed to one side of the fixture seat 401 and is arranged along the outer periphery of the fixture seat 401, and a plurality of clamping ridges 403 are detachably fixed to the inner side of the fixture wall 402. The clamping ridges 403 are arranged to increase the stability of the knob fixture 4 in clamping the knob, and the clamping ridges 403 are detachably fixed, and the clamping ridges 403 can be replaced after being worn, thereby reducing the use cost of the test device.

[0041] In order to increase the stability of the transmission connection between the rotating shaft 3 and the fixture and further ensure the concentricity of the rotation of the rotating shaft 3 and the knob fixture 4, in one embodiment, refer to Figure 8 The knob fixture 4 also includes a reinforcement part 404, which is fixed on the other side of the fixture seat 401. The reinforcement part 404 is provided with a second shaft hole 4041, which is connected to the first shaft hole 4012. The direction in which the second shaft hole 4041 extends is colinear with the direction in which the first shaft hole 4012 extends. The other end of the rotating shaft 3 passes through the second shaft hole 4041 and the first shaft hole 4012 in sequence and is located in the mounting groove 4011. The reinforcement part 404 is provided to increase the stability of the fixing of the rotating shaft 3 and the knob fixture 4 on the one hand, and reduce the wear of the rotating shaft 3 and the knob fixture 4 caused by the unstable fixing; on the other hand, it enhances the concentricity of the rotating shaft 3 and the knob fixture 4 during rotation, thereby increasing the accuracy of the test device.

[0042] To further ensure the accuracy of the test device, in one embodiment, refer to Fig. 9 and Fig.10 The test device for the vehicle navigation knob also includes a pressure cover, which is arranged at the other end of the motor seat 102 and is detachably fixed to the motor seat 102 by screws. The pressure cover includes a cover body 1101, and the cover body 1101 is provided with a second motor 2 slot, a second shaft notch 11012, and a second gear box slot 11013. The position of the second motor 2 slot corresponds to the position of the first motor slot 1021, the position of the second shaft notch 11012 corresponds to the position of the first shaft notch 1022, and the position of the second gear box slot 11013 corresponds to the position of the first gear box slot 1023. The second motor 2 slot is matched with the motor 2, and the second gear box slot 11013 is matched with the reduction gear box 9. The other end of the rotating shaft 3 is set through the second shaft notch 11012. By setting the pressure cover, the stability of the motor 2 fixed on the base is increased, the slight shaking of the motor 2 is reduced, and the accuracy of the test device is increased.

[0043] To further ensure the accuracy of the test device, in one embodiment, refer to Fig.11 and Fig.12 The gland also includes a positioning column 1102, and the other end of the motor base 102 is further provided with a positioning groove 1024, and the positioning column 1102 cooperates with the positioning groove 1024. By providing the positioning column 1102 on the gland and the positioning groove 1024 on the motor base 102, the stability of the fixed position of the gland and the motor base 102 is increased, thereby increasing the stability of the position of the motor 2 and increasing the accuracy of the test device.

[0044] In order to increase the convenience and reliability of the test device, in one embodiment, the test device for the vehicle navigation knob further includes a single chip microcomputer and a communication unit, and the single chip microcomputer is electrically connected to the communication unit, the motor 2 and the speed knob 5. By providing the single chip microcomputer and the communication unit, the test device can transmit the test data to the computer, reducing the workload of the R&D personnel in recording the data.

[0045] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.

Claims

1. A test device for a vehicle navigation knob, characterized in that: It includes a base, a motor, a rotating shaft, a knob clamp and a speed regulating knob; the base is provided with a first motor slot and a first shaft notch, and the first motor slot is connected to the first shaft notch; the motor cooperates with the first motor slot and is fixed to the base, one end of the rotating shaft is transmission-connected to the motor, and the other end of the rotating shaft is arranged through the first shaft notch; the knob clamp is transmission-connected to the other end of the rotating shaft, and the rotating axis of the knob clamp is colinear with the rotating shaft; the speed regulating knob is fixed on the base and electrically connected to the motor.

2. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a battery and a power switch, both of which are fixed on the base, and the battery is electrically connected to the power switch, the motor and the speed regulating knob.

3. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a display unit, which is fixed to the base and electrically connected to the speed regulating knob.

4. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a reduction gearbox, and the base is also provided with a first gearbox groove, the reduction gearbox cooperates with the first gearbox groove and is fixed to the base, the input end of the reduction gearbox is transmission connected to the motor, and the output end of the reduction gearbox is transmission connected to one end of the rotating shaft.

5. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a forward and reverse switch, which is fixed to the base and electrically connected to the motor.

6. The vehicle navigation knob testing device according to claim 1, characterized in that: The knob clamp includes a clamp seat, a clamp wall and a plurality of clamping ridges; the clamp seat is provided with a mounting groove and a first axial hole, the mounting groove is located on one side of the clamp seat, the first axial hole is located at the bottom of the mounting groove, the other end of the rotating shaft passes through the first axial hole and is located in the mounting groove, one end of the clamp wall is fixed to one side of the clamp seat and is arranged along the outer circumference of the clamp seat, and a plurality of the clamping ridges are detachably fixed to the inner side of the clamp wall.

7. The vehicle navigation knob testing device according to claim 6, characterized in that: The knob clamp also includes a reinforcement portion, which is fixed on the other side of the clamp seat. The reinforcement portion is provided with a second axial hole, the second axial hole is connected to the first axial hole, the extension direction of the second axial hole is colinear with the extension direction of the first axial hole, and the other end of the rotating shaft is arranged to pass through the second axial hole and the first axial hole in sequence and is located in the mounting groove.

8. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a pressure cover, which is arranged on the base and is detachably fixed to the base. The pressure cover includes a cover body, and the cover body is provided with a second motor slot and a second shaft notch. The position of the second motor slot corresponds to the position of the first motor slot, and the position of the second shaft notch corresponds to the position of the first shaft notch. The second motor slot cooperates with the motor, and the other end of the rotating shaft passes through the second shaft notch.

9. The vehicle navigation knob testing device according to claim 8, characterized in that: The gland further comprises a positioning post, and the base is further provided with a positioning groove, and the positioning post cooperates with the positioning groove.

10. The vehicle navigation knob testing device according to claim 1, characterized in that: It also includes a single chip microcomputer and a communication unit, wherein the single chip microcomputer is electrically connected to the communication unit, the motor and the speed regulating knob.

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