Automobile steering simulator structure

Abstract

The utility model discloses an automobile steering simulator structure which comprises a simulator, a coupler and a steering wheel, the output end of the simulator is fixedly connected with the coupler, one end of the coupler is fixedly connected with the steering wheel, a rear cover is embedded in the bottom of the simulator, a plurality of installation holes are formed in the bottom of the simulator, and the installation holes are communicated with the simulator. A DC power interface and a USB interface are fixedly arranged in the middle of the rear cover, and a first cavity and a second cavity are fixedly arranged in the simulator. According to the automobile steering simulator structure, steering road feeling transmission is direct, transmission torque is large, time delay and shaking are avoided, the problem of pain points of a traditional non-direct-drive steering simulator is solved, the structure is simple, and the system cost is lower than that of the traditional non-direct-drive steering simulator.

Description

Technical Field

[0001] The utility model relates to a steering simulator, in particular to a vehicle steering simulator structure, belonging to the technical field of vehicles. Background Art

[0002] In the field of automobiles and racing simulators, traditional non-direct drive simulators usually use small torque motors, which are driven by gears or belts for speed reduction and increase of torque. Gear transmission will produce jitter due to gear clearance, which will interfere with the steering feel transmission of the simulator; and belt transmission will weaken the high-frequency part of the steering feel due to its flexibility, affecting the experience. Utility Model Content

[0003] The utility model aims to provide a vehicle steering simulator structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: including a simulator, a coupling and a steering wheel, the output end of the simulator is fixedly connected to the coupling, one end of the coupling is fixedly connected to the steering wheel, a back cover is nested at the bottom of the simulator, a plurality of mounting holes are opened at the bottom of the simulator, a DC power interface and a USB interface are fixedly provided at the middle of the back cover, a first cavity and a second cavity are fixedly provided inside the simulator, a PCBA board and a motor are fixedly installed inside the first cavity, a planetary assembly is fixedly installed inside the second cavity, the motor is fixedly connected to the input end of the planetary assembly, and the DC power interface and the USB interface are electrically connected to the PCBA board.

[0005] As a preferred technical solution of the utility model, the planetary assembly includes a first planetary carrier, a second planetary carrier, a planetary carrier support column and a planetary reduction mechanism. A plurality of planetary carrier support columns are fixed between the first planetary carrier and the second planetary carrier. The planetary carrier support columns are fixed to the first planetary carrier and the second planetary carrier by screws. A planetary reduction mechanism is fixedly installed between the first planetary carrier and the second planetary carrier.

[0006] As a preferred technical solution of the utility model, the first planet carrier and the second planet carrier are externally sleeved and connected with planetary rings, and two bearings are sleeved between the first planet carrier and the second planet carrier and the planetary rings.

[0007] As a preferred technical solution of the utility model, the planetary reduction mechanism includes a sun gear, two tension springs, a first transmission shaft, a first planetary gear, a second transmission shaft, a second planetary gear, a third transmission shaft and a third planetary gear. The sun gear is rotatably connected at the center of the second planetary carrier, and the sides of the sun gear are fixedly provided with the first transmission shaft and the third transmission shaft which are transitionally assembled with the second planetary carrier, and the second transmission shaft which is adjusted with a large gap with the second planetary carrier in sequence. The middle part of the first transmission shaft is rotatably connected to the first planetary gear, the middle part of the second transmission shaft is rotatably connected to the second planetary gear, and the middle part of the third transmission shaft is rotatably connected to the third planetary gear. Tension springs are fixedly connected between the second transmission shaft and the first transmission shaft and the third transmission shaft.

[0008] As a preferred technical solution of the utility model, a certain preload force is provided between the first planetary gear, the second planetary gear, the third planetary gear and the sun gear through a tension spring, so that they are in contact with each other, and the power is transmitted from the sun gear to the planetary ring or the planetary carrier through the friction transmission between them, and the first planetary gear, the second planetary gear, and the third planetary gear have different diameters.

[0009] As a preferred technical solution of the utility model, an output shaft is fixedly installed on the top end of the second planetary carrier, a bearing is installed between the output shaft and the planetary ring, and an external retaining spring is axially installed between the output shaft and the bearing.

[0010] As a preferred technical solution of the utility model, a motor flange is provided inside the first cavity and fixed to the planetary ring, the motor is fixedly connected to the motor flange, and the output end of the motor is fixedly connected to the center of the sun gear.

[0011] As a preferred technical solution of the present utility model, the first planetary gear, the second planetary gear, the third planetary gear and the planetary ring are made of metal or other hard materials, and the surfaces contacting each other have hardness and wear resistance requirements.

[0012] Compared with the prior art, the beneficial effects of the utility model are: by adopting the automobile steering simulator, the steering road feel is transmitted directly, the transmitted torque is large and there is no delay or jitter, which solves the pain points of traditional non-direct drive steering simulators. The utility model has a simple structure and the system cost is lower than that of traditional non-direct drive simulators. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of a vehicle steering simulator structure.

[0014] Figure 2 The present invention is a front structural schematic diagram of a first embodiment of a vehicle steering simulator structure.

[0015] Figure 3The present invention is a schematic side structural diagram of an embodiment of a vehicle steering simulator structure.

[0016] Figure 4 The utility model is a schematic diagram of the internal structure of a cross-section of an embodiment of a vehicle steering simulator structure.

[0017] Figure 5 The utility model is a schematic diagram of a planetary carrier connection structure of an automobile steering simulator structure.

[0018] Figure 6 The utility model is a schematic diagram of the connection structure between a planetary ring and a planetary carrier of a vehicle steering simulator structure.

[0019] Figure 7 The utility model is a schematic diagram of the structure of a planetary reduction mechanism of a vehicle steering simulator.

[0020] Figure 8 This is a front structural schematic diagram of a second embodiment of a vehicle steering simulator structure of the utility model.

[0021] Fig. 9 The utility model is a cross-sectional structural diagram of a second embodiment of a vehicle steering simulator structure.

[0022] In the figure: 1. simulator; 2. coupling; 3. steering wheel; 4. planetary ring; 5. back cover; 6. mounting hole; 7. DC power interface; 8. USB interface; 9. output shaft; 10. PCBA board; 11. first cavity; 12. motor; 13. second cavity; 14. motor flange; 15. first planetary carrier; 16. second planetary carrier; 17. bearing; 18. external retaining spring; 19. planetary carrier support column; 20. sun gear; 21. tension spring; 22. first transmission shaft; 23. first planetary gear; 24. second transmission shaft; 25. second planetary gear; 26. third transmission shaft; 27. third planetary gear; 28. gasket; 29. ​​bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-7 The utility model provides a technical solution for a vehicle steering simulator structure:

[0026] according to Figure 1-7 As shown, it includes a simulator 1, a coupling 2 and a steering wheel 3, the output end of the simulator 1 is fixedly connected to the coupling 2, one end of the coupling 2 is fixedly connected to the steering wheel 3, the bottom of the simulator 1 is nested with a back cover 5, the bottom of the simulator is provided with a plurality of mounting holes, the middle of the back cover 5 is fixedly provided with a DC power interface 7 and a USB interface 8, the interior of the simulator 1 is fixedly provided with a first cavity 11 and a second cavity 13, the interior of the first cavity 11 is fixedly provided with a PCBA board 10 and a motor 12, the interior of the second cavity 13 is fixedly provided with a planetary assembly, the motor 12 is fixedly connected to the input end of the planetary assembly, and the DC power interface 7 and the USB interface 8 are electrically connected to the PCBA board 10.

[0027] according to Figure 1-Figure 7 As shown, the planetary assembly includes a first planetary carrier 15, a second planetary carrier 16, a planetary carrier support column 19 and a planetary reduction mechanism. A plurality of planetary carrier support columns 19 are fixed between the first planetary carrier 15 and the second planetary carrier 16. The planetary carrier support columns 19 are fixed to the first planetary carrier 15 and the second planetary carrier 16 by screws. A planetary reduction mechanism is fixedly installed between the first planetary carrier 15 and the second planetary carrier 16.

[0028] The first planet carrier 15 and the second planet carrier 16 are sleeved and connected with the planetary ring 4 , and two bearings 17 are sleeved between the first planet carrier 15 and the second planet carrier 16 and the planetary ring 4 .

[0029] The planetary reduction mechanism includes a sun gear 20, two tension springs 21, a first transmission shaft 22, a first planetary gear 23, a second transmission shaft 24, a second planetary gear 25, a third transmission shaft 26 and a third planetary gear 27. The sun gear 20 is rotatably connected to the center of the second planetary carrier 16. The sides of the sun gear 20 are fixedly provided with the first transmission shaft 22 and the third transmission shaft 26 connected to the second planetary carrier 16 for transition assembly in sequence, and the second transmission shaft 24 is assembled with a large gap adjustment with the second planetary carrier 16. The middle part of the first transmission shaft 22 is rotatably connected to the first planetary gear 23, the middle part of the second transmission shaft 24 is rotatably connected to the second planetary gear 25, the middle part of the third transmission shaft 26 is rotatably connected to the third planetary gear 27, and the second transmission shaft 24 is fixedly connected to the first transmission shaft 22 and the third transmission shaft 26. Tension springs 21 are fixedly connected between the second transmission shaft 24 and the first transmission shaft 22 and the third transmission shaft 26.

[0030] Tension springs 21 are arranged between the first planetary gear 23 and the second planetary gear 25, and between the second planetary gear 25 and the third planetary gear 27, so as to provide a certain preload force between the three planetary gears and the sun gear 20, and the planetary ring 4, so that the three planetary gears and the sun gear 20, and the planetary ring 4 are in contact with each other and provide sufficient friction.

[0031] The first planetary gear 23, the second planetary gear 25, the third planetary gear 27 and the sun gear 20 are in contact with each other, and the first planetary gear 23, the second planetary gear 25, and the third planetary gear 27 have different diameters. The first planetary gear 23, the second planetary gear 25 and the third planetary gear 27 can be configured as: one large planetary gear and two small planetary gears with equal diameters, or the three planetary gears have different diameters and are distributed in unequal circles.

[0032] The output shaft 9 is fixedly mounted on the top end of the second planetary carrier 16 , and an external retaining spring 18 is fixedly mounted between the output shaft 9 and the planetary ring 4 .

[0033] A motor flange 14 is fixedly disposed inside the first cavity 11 , the motor 12 is fixedly connected to the motor flange 14 , and an output end of the motor 12 is fixedly connected to the center of the sun gear 20 .

[0034] Specifically, the planetary ring 4 acts as a shell, the planetary ring 4 is fixed, the planetary assembly rotates, an output shaft 9 is arranged on the planetary assembly, two bearings 17 are arranged between the planetary assembly and the planetary ring 4, and an external retaining spring 18 is arranged on the output shaft 9 to prevent the output shaft 9 from moving axially; an external mounting hole 6 is reserved at the bottom of the planetary ring 4; the motor 12 is fixed on the motor flange 14, the output end of the motor 12 is assembled with the sun gear 20, the motor flange 14 is fixed on the planetary ring 4, and a motor drive circuit board PCBA board 10 is fixedly installed in the first cavity 11, and the PCBA board 10 is fixed on the planetary ring 4. The materials of the PCBA board 10, the first planetary gear 23, the second planetary gear 25, the third planetary gear 27, and the planetary ring 4 are metal or other hard materials, and the surfaces contacting each other have hardness and wear resistance requirements.

[0035] Embodiment 2

[0036] See also Figure 1 and Figure 5-Figure 9 The utility model provides a technical solution for a vehicle steering simulator structure:

[0037] according to Figure 1 and Figure 5-Figure 9As shown, it includes a simulator 1, a coupling 2 and a steering wheel 3, the output end of the simulator 1 is fixedly connected to the coupling 2, one end of the coupling 2 is fixedly connected to the steering wheel 3, a back cover 5 is nested at the bottom of the simulator 1, a plurality of mounting holes 6 are equidistantly provided on the sides of the bottom end of the back cover 5, the interiors of the plurality of mounting holes 6 are all threaded with screws, a DC power interface 7 and a USB interface 8 are fixedly provided in the middle of the back cover 5, a first cavity 11 and a second cavity 13 are fixedly provided inside the simulator 1, a PCBA board 10 and a motor 12 are fixedly installed inside the first cavity 11, a planetary assembly is fixedly installed inside the second cavity 13, the motor 12 is fixedly connected to the input end of the planetary assembly, and the DC power interface 7 and the USB interface 8 are electrically connected to the PCBA board 10.

[0038] The planetary assembly includes a first planetary carrier 15, a second planetary carrier 16, a planetary carrier support column 19 and a planetary reduction mechanism. A plurality of planetary carrier support columns 19 are fixed between the first planetary carrier 15 and the second planetary carrier 16. The planetary carrier support columns 19 are fixed to the first planetary carrier 15 and the second planetary carrier 16 by screws. A planetary reduction mechanism is fixedly installed between the first planetary carrier 15 and the second planetary carrier 16.

[0039] The first planet carrier 15 and the second planet carrier 16 are externally sleeved with a planetary ring 4 , and two bearings 17 are sleeved between the first planet carrier 15 and the second planet carrier 16 and the planetary ring 4 . The output shaft 9 is mounted on the planetary ring 4 , and the output shaft 9 and the second planet carrier 16 are assembled by bolts 29 .

[0040] The planetary reduction mechanism includes a sun gear 20, two tension springs 21, a first transmission shaft 22, a first planetary gear 23, a second transmission shaft 24, a second planetary gear 25, a third transmission shaft 26 and a third planetary gear 27. The sun gear 20 is rotatably connected to the center of the second planetary carrier 16. The sides of the sun gear 20 are fixedly provided with the first transmission shaft 22 and the third transmission shaft 26 connected to the second planetary carrier 16 for transition assembly in sequence, and the second transmission shaft 24 is assembled with a large gap adjustment with the second planetary carrier 16. The middle part of the first transmission shaft 22 is rotatably connected to the first planetary gear 23, the middle part of the second transmission shaft 24 is rotatably connected to the second planetary gear 25, the middle part of the third transmission shaft 26 is rotatably connected to the third planetary gear 27, and the second transmission shaft 24 is fixedly connected to the first transmission shaft 22 and the third transmission shaft 26. Tension springs 21 are fixedly connected between the second transmission shaft 24 and the first transmission shaft 22 and the third transmission shaft 26.

[0041] Tension springs 21 are arranged between the first planetary gear 23 and the second planetary gear 25, and between the second planetary gear 25 and the third planetary gear 27, so as to provide a certain preload force between the three planetary gears and the sun gear 20, and the planetary ring 4, so that the three planetary gears and the sun gear 20, and the planetary ring 4 are in contact with each other and provide sufficient friction.

[0042] The first planetary gear 23, the second planetary gear 25, the third planetary gear 27 and the sun gear 20 are in contact with each other, and the first planetary gear 23, the second planetary gear 25, and the third planetary gear 27 have different diameters. The first planetary gear 23, the second planetary gear 25 and the third planetary gear 27 can be configured as: one large planetary gear and two small planetary gears with equal diameters, or the three planetary gears have different diameters and are distributed in unequal circles.

[0043] The output shaft 9 is fixedly mounted on the top end of the second planet carrier 16 by means of bolts 29 and washers 28 .

[0044] The output end of the motor 12 is fixedly connected to the center of the sun gear 20 .

[0045] Specifically, the planetary ring 4 acts as a housing, the planetary ring 4 rotates, the planetary assembly is fixed, the planetary ring 4 is equipped with an output shaft 9, the output shaft 9 is assembled with the second planetary frame 16 by bolts 29, and the connection between the bolts 29 and the second planetary frame 16 is sleeved with a gasket 28; two bearings 17 are arranged between the planetary ring 4 and the planetary assembly, the motor 12 is fixed on the planetary assembly, and the output end of the motor 12 is assembled with the sun gear 20; the rear cover 5 is fixed on the planetary assembly, and the rear side of the planetary assembly provides an external mounting hole 6, and the motor drive circuit board PCBA board 10 is fixedly installed inside the first cavity 11, and the PCBA board 10 is fixed on the first planetary frame 15 of the planetary assembly, and the PCBA board 10 is equipped with an external DC power interface 7 and an external USB interface 8. The first planetary gear (23), the second planetary gear (25), the third planetary gear (27), and the planetary ring 4 are made of metal or other hard materials, and the surfaces that contact each other have hardness and wear resistance requirements.

[0046] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle steering simulator structure, comprising a simulator (1), a coupling (2) and a steering wheel (3), characterized in that: The output end of the simulator (1) is fixedly connected to a coupling (2), one end of the coupling (2) is fixedly connected to a steering wheel (3), a back cover (5) is nested at the bottom of the simulator (1), a plurality of mounting holes (6) are provided at the bottom of the simulator (1), a DC power interface (7) and a USB interface (8) are fixedly provided in the middle of the back cover (5), a first cavity (11) and a second cavity (13) are fixedly provided inside the simulator (1), a PCBA board (10) and a motor (12) are fixedly installed inside the first cavity (11), a planetary assembly is fixedly installed inside the second cavity (13), the motor (12) is fixedly connected to the input end of the planetary assembly, and the DC power interface (7) and the USB interface (8) are electrically connected to the PCBA board (10).

2. The vehicle steering simulator structure according to claim 1, characterized in that: The planetary assembly comprises a first planetary carrier (15), a second planetary carrier (16), a planetary carrier support column (19) and a planetary reduction mechanism, wherein a plurality of planetary carrier support columns (19) are fixedly arranged between the first planetary carrier (15) and the second planetary carrier (16), the planetary carrier support columns (19) are fixed to the first planetary carrier (15) and the second planetary carrier (16) by screws, and the planetary reduction mechanism is fixedly installed between the first planetary carrier (15) and the second planetary carrier (16).

3. The vehicle steering simulator structure according to claim 2, characterized in that: The first planet carrier (15) and the second planet carrier (16) are sleeved and connected with a planet ring (4), and two bearings (17) are sleeved between the first planet carrier (15), the second planet carrier (16) and the planet ring (4).

4. The vehicle steering simulator structure according to claim 2, characterized in that: The planetary reduction mechanism comprises a sun gear (20), two tension springs (21), a first transmission shaft (22), a first planetary gear (23), a second transmission shaft (24), a second planetary gear (25), a third transmission shaft (26) and a third planetary gear (27); the sun gear (20) is rotatably connected to the center of the second planetary carrier (16); the first transmission shaft (22) and the third transmission shaft (26) which are transitionally assembled with the second planetary carrier (16) are fixedly arranged on the sides of the sun gear (20) in sequence; the second transmission shaft (24) is assembled with a large gap adjustment with the second planetary carrier (16); the middle part of the first transmission shaft (22) is rotatably connected to the first planetary gear (23); the middle part of the second transmission shaft (24) is rotatably connected to the second planetary gear (25); the middle part of the third transmission shaft (26) is rotatably connected to the third planetary gear (27); and the second transmission shaft (24) is fixedly connected to the first transmission shaft (22) and the third transmission shaft (26).

5. The vehicle steering simulator structure according to claim 4, characterized in that: A certain preload force is provided between the first planetary gear (23), the second planetary gear (25), the third planetary gear (27) and the sun gear (20) through a tension spring (21), so that they are in contact with each other, and power is transmitted from the sun gear (20) to the planetary ring (4) or the planetary carrier through friction transmission between them, and the first planetary gear (23), the second planetary gear (25) and the third planetary gear (27) have different diameters.

6. The vehicle steering simulator structure according to claim 4, characterized in that: An output shaft (9) is fixedly mounted on the top end of the second planetary carrier (16), a bearing (17) is mounted between the output shaft (9) and the planetary ring (4), and an external retaining spring (18) is axially mounted between the output shaft (9) and the bearing (17).

7. The vehicle steering simulator structure according to claim 1, characterized in that: A motor flange (14) is provided inside the first cavity (11) and is fixed to the planetary ring (4); the motor (12) is fixedly connected to the motor flange (14); and the output end of the motor (12) is fixedly connected to the center of the sun gear (20).

8. The vehicle steering simulator structure according to claim 5, characterized in that: The first planetary gear (23), the second planetary gear (25), the third planetary gear (27), and the planetary ring (4) are made of metal or other hard materials, and their surfaces in contact with each other have hardness and wear resistance requirements.

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