Automobile steering simulator

Abstract

An automobile steering simulator is provided having a simulator 2 and a steering wheel grip ring 1 fixedly arranged on a top end of simulator 1. Simulator 2 has a base, a shell rotor, a rear end cover

Description

TECHNICAL FIELD

[0001] The present application relates to an automobile steering simulator, which belongs to the technical field of automobile accessories. BACKGROUND

[0002] In the field of automobile and racing simulators, the motor is usually used as the steering force feedback driving device, and the motor and the steering wheel are connected through a coupling. As shown in Figure 10, the traditional car steering wheel and steering simulator are designed separately, and the product is bulky and expensive. The existence of the coupling makes the transmission of force feedback to the steering wheel indirect, and the subtle road feeling feedback is lost, which affects the experience. At the same time, the power supply of the electronic equipment on the steering wheel must adopt wireless power supply, and the system is complicated. SUMMARY OF THE APPLICATION

[0003] The purpose of the present application is to provide an automobile steering simulator to solve the problems raised in the background art above.

[0004] In order to achieve the above object, the application provides the following technical solutions: comprising a steering wheel body having a steering simulator and a steering wheel grip ring fixedly arranged on a top end of the steering simulator, the steering simulator having a base, a shell rotor, a rear end cover and a front end cover, and a bearing is arranged on outer wall of the base with an interference fit, and the shell rotor is arranged with clearance fit on an outer ring of the bearing, and a rotating shaft is rotatably connected to middle of the shell rotor, the front end cover is fixedly arranged on top end of the shell rotor, a top end of the front end cover is fixedly connected to center of the steering wheel grip ring, the rear end cover is fixedly arranged at center of the bottom end of the base, a coil stator is fixedly arranged on top of the base, a permanent magnet is fixedly arranged at the position where the inner wall of the shell rotor is aligned with the coil stator, a motor drive circuit PCB is fixedly arranged on top end of the coil stator, the motor drive circuit PCB is fixedly connected to the base by fixing bolts, a first cavity is formed inside the base, an interface connection PCB is fixedly arranged inside the first cavity, a second cavity is formed on the top end of the shell rotor, a steering wheel button circuit PCB is fixedly arranged inside the second cavity, a rotating shaft is rotatably connected to center of the second cavity, a position sensor is fixedly arranged at bottom end of the rotating shaft, a lock nut is threadedly connected between top end of the rotating shaft and the steering wheel button circuit PCB, and a conductive slip ring is sleeved on outside of the rotating shaft, the conductive slip ring is electrically connected to the motor drive circuit PCB and the steering wheel button circuit PCB respectively.

[0005] The purpose of this arrangement is to make the volume of the system far smaller than the design in which the traditional motor, steering wheel and coupling are arranged separately, by integrating the drive circuit board and the traditional drive motor into the steering simulator. At the same time, through the position sensor installed at the bottom of the rotating shaft, there is no loss in the force feedback transmission generated by the motor.

[0006] In the above-mentioned automobile steering simulator, USB interface and power interface are respectively fixedly arranged on the bottom end of the rear end cover, and the USB interface and the power interface are electrically connected to the interface connection PCB through power line.

[0007] The purpose of this arrangement is to realize the power-on and data transmission of the steering simulator through arranging of the USB interface and the power interface, and to monitor the feedback force of the steering wheel in real time.

[0008] In the above-mentioned automobile steering simulator, a plurality of fixing bolts are threadedly connected between the rear end cover and the base. The purpose of such arrangement is to facilitate the assembly and disassembly between the rear end cover and the base.

[0009] In the above-mentioned automobile steering simulator, a plurality of assembly holes are equidistantly arranged on the sides of the bottom end of the base. The purpose of this arrangement is to facilitate the installation of the steering simulator.

[0010] In the above-mentioned automobile steering simulator, a plurality of machine screws are threaded equidistantly between the shell rotor and the bearing. The purpose of this arrangement is to prevent the shell rotor from slipping out.

[0011] In the above-mentioned automobile steering simulator, the joints of the shell rotor and the rear end cover and the front end cover are coated with sealant. The purpose of this arrangement is to ensure the sealing of the joint.

[0012] Compared with prior art, the beneficial effect of the present application is:

[0013] 1) In the automobile steering simulator according to the present application, by integrating the traditional motor into the interior of the steering simulator, the volume of the system is much smaller than the solution in which the traditional motor, steering wheel and coupling are arranged separately. At the same time, through the position sensor installed at the bottom of the rotating shaft, there is no loss in the force feedback transmission generated by the motor.

[0014] 2) In the automobile steering simulator according to the present application, by forming the first cavity inside the base, the interface connection PCB is integrated into the inside of the first cavity, by forming the second cavity on the top end of the shell rotor, and integrating the steering wheel button circuit PCB inside the second cavity, the motor drive circuit PCB is directly arranged on the top end of the coil stator , and is electrically connected through a conductive slip ring, and the drive circuit is integrated inside the steering simulator, which effectively reduces the space occupation, has a compact structure, reduces the number of parts, and reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Fig. 1 is a structural diagram of the automobile steering simulator according to the present application;

[0016] Fig. 2 is a structural diagram of a bottom surface of the automobile steering simulator according to the present application;

[0017] Fig. 3 is a first schematic diagram of the internal structure of the automobile steering simulator according to the present application;

[0018] Fig. 4 is a first schematic diagram of the sectional structure of the automobile steering simulator according to the present application;

[0019] Fig. 5 is a second schematic diagram of the internal structure of the automobile steering simulator according to the present application;

[0020] Fig. 6 is a second schematic diagram of the sectional structure of the automobile steering simulator according to the present application;

[0021] Fig. 7 is a third schematic diagram of the internal structure of the automobile steering simulator according to the present application;

[0022] Fig. 8 is a third schematic diagram of the sectional structure of the automobile steering simulator according to the present application;

[0023] Fig. 9 is a structural diagram of a bottom surface of the automobile steering 3 simulator according to the present application;

[0024] Fig. 10 is a schematic diagram of the transmission connection structure of the automobile steering simulator according to the present application.

[0025] Fig. 11 is a schematic structural diagram of an automobile steering simulator according to the present application..

[0026] Reference signs:

[0027] 1. Steering wheel body; 2. Steering simulator; 3. Steering wheel grip ring; 4. Assembly hole; 5. USB interface; 6. Power interface; 7. Base; 8. Rear end cover; 9. First cavity; 10 1. Machine screw; 11. Bearing; 12. Interface connection PCB; 13. Motor drive circuit PCB; 14. Steering wheel button circuit PCB; 15. Conductive slip ring; 16. Second cavity; 17. Lock nut; 18. Position sensor; 19. Front end cover; 20. Coil stator; 21. Shell rotor; 22. Permanent magnet; 23. Second bearing; 24. Rotating shaft. DETAILED DESCRIPTION 10028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0029] Please refer to Fig. 1-10, the present application provides an automobile steering simulator:

[0030] Embodiment 1

[0031] According to the technical solution of the automobile steering simulator shown in Fig. 1, Fig. 2, Fig. 3 and 4, comprising a steering wheel body 1, wherein the steering wheel body 1 is composed of a steering simulator 2 and a steering wheel grip ring 3, and the steering wheel grip ring 3 is fixedly arranged on top end of the steering simulator 2, and the steering simulator 2 is composed of a base 7, a shell rotor 21, a rear end cover 8 and a front end cover 19, and a bearing 11 is arranged on outer wall of the base 7 with an interference fit, and the shell rotor 21 is arranged with clearance fit on an outer ring of the bearing 11, and a rotating shaft 24 is rotatably connected to middle of the shell rotor 21, the front end cover 19 is fixedly arranged on top end of the shell rotor 21, a top end of the front end cover 19 is fixedly connected to center of the steering wheel grip ring 3, the rear end cover 8 is fixedly arranged at center of the bottom end of the base 7, a coil stator 20 is fixedly arranged on top of the base 7, a permanent magnet 22 is fixedly arranged at the position where the inner wall of the shell rotor 21 is aligned with the coil stator 20, a motor drive circuit PCB 13 is fixedly arranged on top end of the coil stator 20, the motor drive circuit PCB 13 is fixedly connected to the base 7 by fixing bolts, a first cavity 9 is formed inside the base 7, an interface connection PCB 12 is fixedly arranged inside the first cavity 9, a second cavity 16 is formed on the top end of the shell rotor 21, a steering wheel button circuit PCB 14 is fixedly arranged inside the second cavity 16, a rotating shaft (24) is rotatably connected to center of the second cavity 16, a position sensor 18 is fixedly arranged at bottom end of the rotating shaft 24, a lock nut 17 is threadedly connected between top end of the rotating shaft 24 and the steering wheel button circuit PCB 14, and a conductive slip ring 15 is sleeved on outside of the rotating shaft 24, the conductive slip ring 15 is electrically connected to the motor drive circuit PCB 13 and the steering wheel button circuit PCB 14 respectively. USB interface 5 and power interface 6are respectively fixedly arranged on the bottom end of the rear end cover 8, and the USB interface 5 and the power interface 6 are electrically connected to the interface connection PCB 12 through power line.

[0032] A plurality of fixing bolts are threadedly connected between the rear end cover 8 and the base 7. A plurality of assembly holes 4 are equidistantly arranged on the sides of the bottom end of the base 7. A plurality of machine screws 10 are threaded equidistantly between the shell rotor 21 and the bearing 11. The joints of the shell rotor 21 and the rear end cover 8 and the front end cover 19 are coated with sealant.

[0033] The steering simulator 2 and the steering wheel grip ring 3 are mounted in two ways, specifically: the steering wheel grip ring 3 is fixed on the top end of the steering simulator 2 by fixing bolts, and the steering wheel grip 3 is integrated on the side of the top end of the steering simulator 2.

[0034] When using the automobile steering simulator manufactured with the above structure, by integrating the traditional motor into the interior of the steering simulator, the volume of the system is much smaller than the solution in which the traditional motor, steering wheel and coupling are arranged separately. At the same time, through the position sensor 18 installed at the bottom of the rotating shaft, there is no loss in the 5 force feedback transmission generated by the motor.

[0035] Embodiment 2

[0036] According to the technical solution of the automobile steering simulator shown in Fig. 1, Fig. 2, Fig. 5 and 6, comprising a steering wheel body 1, wherein the steering wheel body 1 is composed of a steering simulator 2 and a steering wheel grip ring 3, and the steering wheel grip ring 3 is fixedly arranged on top end of the steering simulator 2, and the steering simulator 2 is composed of USB interface 5, power interface 6, a base 7, a shell rotor 21, a rear end cover 8 and a front end cover 19, a magnetoelectric mechanism, a rotation transmission mechanism, and a conversion mechanism. The USB interface 5 is provided on one side of the bottom of the base 7, and the power interface 6 is provided on the other side of the bottom of the base 7. The front end cover 19 is in clearance fit with the rotation transmission mechanism, the rear end cover 8 is in clearance fit with the base 7, the magnetoelectric mechanism is arranged inside the rotation transmission mechanism, the rotation transmission mechanism and the base 7 are assembled through the bearing 11, and the conversion mechanism is arranged at the top end of the rotation transmission mechanism. The magnetoelectric mechanism is composed of a permanent magnet 22 and a coil stator 20, a side of the permanent magnet 22 is provided with a coil stator 20, the permanent magnet 22 is fixedly connected with the inner wall of the shell rotor 21, and the center of the shell rotor 21 is connected with a rotating shaft 24, and the coil stator 20 is fixedly connected with base 7. The rotation transmission mechanism is composed of a bearing 11 and a second bearing 23. The outer ring of the bearing 11 is in interference fit with the base 7, the inner ring is in clearance fit with the housing rotor 21, and the bearing 11 is in clearance fit with the shell rotor 21. The conversion mechanism is composed of a position sensor 18 and a conductive slip ring 15. The position sensor 18 is arranged at the bottom of the rotating shaft 24. The middle part of the rotating shaft 24 is provided with a second bearing 23. The rotating shaft 24 is fixed to the steering wheel button circuit PCB 14 through a lock nut 17. The top end of the position sensor 18 is provided with a second cavity 16, the inside of the second cavity 16 is provided with a steering wheel button circuit PCB 14, the position sensor 18 is in clearance with the conductive slip ring 15, and the bottom of the position sensor 18 is provided with a first cavity 9 , the motor driving circuit PCB 13 is arranged inside the first cavity 9.

[0037] When using the automobile steering simulator 2 manufactured with the above 6 structure, it is electrically connected through the conductive slip ring 15, and the drive circuit is integrated inside the steering simulator, which effectively reduces the space occupation, has a compact structure, reduces the number of parts, and reduces the production cost.

[0038] Embodiment 3

[0039] According to the technical solution of the automobile steering simulator shown in Fig. 1, Fig. 7, Fig. 8 and 9, comprising a steering wheel body 1, wherein the steering wheel body 1 is composed of a steering simulator 2 and a steering wheel grip ring 3, and the steering wheel grip ring 3 is fixedly arranged on top end of the steering simulator 2, and the steering simulator 2 is composed of a base 7. a shell rotor 21, a front end cover 19, a first cavity 9. a second cavity 16, a base 7, and a shell rotor 21, wherein the first cavity 9 is located between the shell rotor 21 and the base 7 and inside it integrates a sheet motor. The motor is composed of a coil stator 20, a shell rotor 21 and a permanent magnet 22, wherein the coil stator 20 is fixed on the top end of the base 7, the permanent magnet 22 is attached to the inner wall of the shell rotor 21, and the center of the shell rotor 21 is rotatably connected with a rotating shaft 24. Aposition sensor 18 is provided at the central rotating shaft 24 inside the shell rotor 21. The rotating shaft 2 is fixed on the steering wheel button circuit PCB 14 through the lock nut 17, and the shell rotor 21 is fitted with a conductive slip ring 15 on the outer periphery of the position sensor 18. The conductive slip ring 15 connects the motor drive circuit PCB 13 hung on the hollow wall of the base 7 and the steering wheel button circuit PCB 14 installed in the second cavity 16 together. The base 7 and the shell rotor 21 are assembled into one piece through the bearing 11, and the bearing 11 is located between the middle part of the base 7 and the lower part of the housing rotor 21. machine screws 10 are provided at the gap between the shell rotor 21 and the bottom end of the base 7, and the bottom surface of the base 7 is provided with a USB interface 5 and a power interface 6, wherein the USB interface 5 and the power interface 6 are connected to the interface connection PCB 12.

[0040] When the automobile steering simulator manufactured with the above structure is used, a sheet motor is used and integrated into the steering simulation integrated mechanism, and the system volume is much smaller than that of a traditional motor.

[0041] The content not described in detail in this specification belongs to the prior art known to those skilled in the art. The specific embodiments described herein are only 7 examples to illustrate the spirit of the present application. Those skilled in the technical field to which the application belongs may make various modifications or supplements to the described specific embodiments or replace them in similar ways, but they will not deviate from the spirit of the application or go beyond the scope defined by the appended claims.

Claims

1. An automobile steering simulator, comprising a steering wheel body (1) havinga steering simulator (2) and a steering wheel grip ring (3) fixedly arranged on a top end of the steering simulator (2), the steering simulator (2) having a base (7), a shell rotor (21), a rear end cover (8) and a front end cover (19), and a bearing (11) is arranged on outer wall of the base (7) with an interference fit, and the shell rotor (21) is arranged with clearance fit on an outer ring of the bearing (11), and a rotating shaft (24) is rotatably connected to middle of the shell rotor (21), the front end cover (19) is fixedly arranged on top end of the shell rotor (21), a top end of the front end cover (19) is fixedly connected to center of the steering wheel grip ring (3), the rear end cover (8) is fixedly arranged at center of the bottom end of the base (7), a coil stator (20) is fixedly arranged on top of the base (7), a permanent magnet (22) is fixedly arranged at the position where the inner wall of the shell rotor (21) is aligned with the coil stator (20), a motor drive circuit PCB (13) is fixedly arranged on top end of the coil stator (20), the motor drive circuit PCB (13) is fixedly connected to the base (7) by fixing bolts, a first cavity (9) is formed inside the base (7), an interface connection PCB (12) is fixedly arranged inside the first cavity (9), a second cavity (16) is formed on the top end of the shell rotor (21), a steering wheel button circuit PCB (14) is fixedly arranged inside the second cavity (16), a rotating shaft (24) is rotatably connected to center of the second cavity (16), a position sensor (18) is fixedly arranged at bottom end of the rotating shaft (24), a lock nut (17) is threadedly connected between top end of the rotating shaft (24) and the steering wheel button circuit PCB (14), and a conductive slip ring (15) is sleeved on outside of the rotating shaft (24), the conductive slip ring (15) is electrically connected to the motor drive circuit PCB (13) and the steering wheel button circuit PCB (14) respectively.

2. The automobile steering simulator according to claim 1, wherein USB interface (5) and power interface (6) are respectively fixedly arranged on the bottom end of the rear end cover (8), and the USB interface (5) and the power interface (6) are electrically connected to the interface connection PCB (12) through power line.

3. The automobile steering simulator according to claim 1, wherein a plurality of fixing bolts are threadedly connected between the rear end cover (8) and the base (7).

4. The automobile steering simulator according to claim 1, wherein a plurality of assembly holes (4) are equidistantly arranged on the sides of the bottom end of the base (7).

5. The automobile steering simulator according to claim 1, wherein a plurality of machine screws (10) are threaded equidistantly between the shell rotor (21) and the bearing (11).

6. The automobile steering simulator according to claim 1, wherein the joints of the shell rotor (21) and the rear end cover (8) and the front end cover (19) are coated with sealant.

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