Steering rocker arm of electric drive axle

Abstract

The utility model discloses an electric drive axle steering rocker arm which is applied to the field of automobile accessories and comprises a frame, a reinforcing frame is fixedly connected to the interior of the frame, a driving assembly is arranged at the bottom of the reinforcing frame, and a first main shaft, a second main shaft, a differential mechanism, a rocker arm, a connecting arm, a driving motor, a supporting frame, a first wheel and a second wheel are arranged. During use, the driving motor provides driving force for the second main shaft, so that the second main shaft provides driving force for the differential mechanism, the differential mechanism provides driving force for the connecting arm, when the second main shaft is subjected to the driving force, the rocker arm is conveniently driven to conduct steering work, and meanwhile the rocker arm can drive the supporting frame and the first wheel to conduct steering.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile accessories, and particularly relates to an electric drive axle steering rocker arm. Background Art

[0002] The steering drop arm is a connecting part used in the vehicle steering mechanism. It consists of an arm body and large and small round holes or tapered holes. When the steering rocker arm connects the steering gear output shaft and the steering mechanism connecting rod ball pin, it is a drop arm that bears bending moment and needs to transfer the load between the output shaft and the steering mechanism.

[0003] The Chinese utility model patent with the current announcement number: CN215361533U discloses a steering rocker arm, which is provided with an upper rocker arm, a lower rocker arm is installed at the bottom end of the upper rocker arm, one end of the upper rocker arm and the lower rocker arm are both provided with connecting holes, and the inner wall of one group of connecting holes is provided with spline teeth, a cover shell is installed on the outer side of the upper rocker arm, a screw hole is opened at the front end of the upper rocker arm near the bottom, and a handle is installed on the outer side of the screw hole, a stretching plate is installed at the top of the lower rocker arm, and fixing seats are installed on both sides of the stretching plate near the bottom, a rectangular groove is opened at the front end of the stretching plate near the middle, a backing plate is installed at the front end of the stretching plate, a threaded column is installed between the backing plate and the handle, and extrusion blocks are installed on both sides of the cover shell; a steering rocker arm of this utility model increases the protective structure of the connection, effectively absorbs oil stains and avoids residue, and can adjust the length of the rocker arm according to the steering structure for suitable use.

[0004] Although this patent has the feature of adding a protective structure to the joints to effectively absorb oil stains and avoid residue, and can adjust the length of the rocker arm according to the steering structure for suitable use, the rocker arm cannot be used in conjunction with the electric drive axle system, and is therefore not suitable for steering systems of different vehicle types. Utility Model Content

[0005] The utility model aims to provide an electric drive axle steering rocker arm, which solves the problem that the existing electric drive axle steering rocker arm cannot be used in conjunction with the electric drive axle system and is thus not suitable for steering systems of different vehicle types.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an electric drive axle steering rocker arm, comprising a frame, a reinforcement frame is fixedly connected to the inside of the frame, and a driving assembly is arranged at the bottom of the reinforcement frame;

[0007] The drive assembly includes a first main shaft, a second main shaft, a differential, a rocker arm, a connecting arm, a drive motor, a support frame, a first wheel and a second wheel. The first main shaft is bolted to the bottom of the frame, and the second main shaft is arranged inside the frame. The differential is bolted to the bottom of the reinforcement frame and used in conjunction with the second main shaft. The two rocker arms are rotatably connected to the two ends of the second main shaft respectively, one end of the connecting arm is rotatably connected to the side wall of the first main shaft, and the other end of the connecting arm is rotatably connected to the inside of the differential. The drive motor is bolted to the bottom of the reinforcement frame and used in conjunction with the differential. The two support frames are bolted to the two side walls of the frame and used in conjunction with the rocker arms. The first wheel is rotatably connected to one end of the support frame, and the second wheel is rotatably connected to the two ends of the first main shaft.

[0008] By adopting the above technical solution, a first main shaft, a second main shaft, a differential, a rocker arm, a connecting arm, a drive motor, a support frame, a first wheel and a second wheel are set. When in use, the drive motor will provide driving force to the second main shaft, and then the second main shaft will provide driving force to the differential, and the differential will provide driving force to the connecting arm. When the second main shaft is driven by the driving force, it is easy to drive the rocker arm to turn, and at the same time the rocker arm will drive the support frame and the first wheel to turn.

[0009] The utility model is further configured as follows: a first damper and a second damper are provided on both side walls of the frame, the top ends of the first damper and the second damper are bolted to the top of the frame, and the bottom end of the first damper is bolted to the top of the support frame and the top of the first main shaft respectively.

[0010] By adopting the above technical solution and arranging the first damper and the second damper, the shock and vibration during steering can be reduced.

[0011] The utility model is further configured as follows: one end of the vehicle frame is fixedly connected with a connecting frame, and one end of the connecting frame is fixedly connected with a crash barrier.

[0012] By adopting the above technical solution and arranging the connecting frame and the anti-collision barrier, the anti-collision performance of the frame can be greatly improved.

[0013] The utility model is further configured as follows: an X-shaped reinforcement rod is fixedly connected inside the frame, and both ends of the X-shaped reinforcement rod are fixedly connected to the inner side wall of the frame.

[0014] By adopting the above technical solution and arranging an X-shaped reinforcement rod, the stability of the entire frame can be improved.

[0015] The utility model is further configured as follows: a plurality of protrusions are provided on the surfaces of the first wheel and the second wheel, and the plurality of protrusions are evenly distributed on the surfaces of the first wheel and the second wheel respectively.

[0016] By adopting the above technical solution and providing the raised portion, the friction between the first wheel and the second wheel and the ground can be increased to avoid slipping.

[0017] The utility model is further configured as follows: a connecting shaft used in conjunction with a differential is arranged on the top of the reinforcement frame, and a steering wheel is arranged on the top of the connecting shaft.

[0018] By adopting the above technical solution and arranging a connecting shaft and a steering wheel, a driving force for steering can be provided for the differential.

[0019] The utility model is further configured as follows: the driving motor adopts a high-efficiency, lightweight DC brushless motor.

[0020] By adopting the above technical solution, the high efficiency and lightness of the drive motor can be improved by setting up a drive motor using a brushless DC motor.

[0021] In summary, the utility model has the following beneficial effects:

[0022] By setting the first main shaft, the second main shaft, the differential, the rocker arm, the connecting arm, the driving motor, the support frame, the first wheel and the second wheel, when in use, the driving motor will provide driving force to the second main shaft, so that the second main shaft will provide driving force to the differential, and the differential will provide driving force to the connecting arm. When the second main shaft is driven by the driving force, it is easy to drive the rocker arm to turn, and at the same time the rocker arm will drive the support frame and the first wheel to turn.

[0023] Based on the above-mentioned improvements, the overall technical effect achieved by the device is that it is convenient for the rocker arm to be used in conjunction with the electric drive axle system, thereby adapting to the steering systems of different vehicle types. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is the overall structure diagram of the utility model;

[0025] Figure 2 It is a front view of the utility model;

[0026] Figure 3 It is a schematic diagram of a three-dimensional cross section at AA of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the first main shaft, the second main shaft and the rocker arm of the utility model.

[0028] In the figure, 1, frame; 2, reinforcement frame; 3, drive assembly; 301, first main shaft; 302, second main shaft; 303, differential; 304, rocker arm; 305, connecting arm; 306, drive motor; 307, support frame; 308, first wheel; 309, second wheel; 4, first damper; 5, second damper; 6, connecting frame; 7, anti-collision bar; 8, X-shaped reinforcement rod; 9, raised part; 10, connecting shaft; 11, steering wheel. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] Example:

[0031] See also Figure 1-Figure 4 The utility model provides a technical solution: an electric drive axle steering rocker arm 304, comprising a frame 1, a reinforcement frame 2 is fixedly connected to the inside of the frame 1, and a driving component 3 is arranged at the bottom of the reinforcement frame 2;

[0032] The driving assembly 3 includes a first main shaft 301, a second main shaft 302, a differential 303, a rocker arm 304, a connecting arm 305, a driving motor 306, a support frame 307, a first wheel 308 and a second wheel 309. The first main shaft 301 is bolted to the bottom of the frame 1, the second main shaft 302 is arranged inside the frame 1, the differential 303 is bolted to the bottom of the reinforcement frame 2 and is used in conjunction with the second main shaft 302, the two rocker arms 304 are rotatably connected to the two ends of the second main shaft 302, one end of the connecting arm 305 is rotatably connected to the side wall of the first main shaft 301, and the other end of the connecting arm 305 is rotatably connected to the inside of the differential 303, the driving motor 306 is bolted to the bottom of the reinforcement frame 2 and is used in conjunction with the differential 303, and the two support frames 307 are bolted to the frame 1. The two side walls are used in conjunction with the rocker arm 304, the first wheel 308 is rotatably connected to one end of the support frame 307, and the second wheel 309 is rotatably connected to both ends of the first main shaft 301. By setting the first main shaft 301, the second main shaft 302, the differential 303, the rocker arm 304, the connecting arm 305, the driving motor 306, the support frame 307, the first wheel 308 and the second wheel 309, when in use, the driving motor 306 will provide a driving force to the second main shaft 302, so that the second main shaft 302 will provide a driving force to the differential 303, and the differential 303 will provide a driving force to the connecting arm 305. When the second main shaft 302 is driven by the driving force, it is easy to drive the rocker arm 304 to turn, and at the same time, the rocker arm 304 will drive the support frame 307 and the first wheel 308 to turn.

[0033] refer to Figure 1The first damper 4 and the second damper 5 are provided on both side walls of the frame 1. The top ends of the first damper 4 and the second damper 5 are bolted to the top of the frame 1, and the bottom ends of the first damper 4 are bolted to the top of the support frame 307 and the top of the first main shaft 301 respectively. By providing the first damper 4 and the second damper 5, the shock and vibration during steering can be reduced.

[0034] refer to Figure 1 One end of the frame 1 is fixedly connected to a connecting frame 6, and one end of the connecting frame 6 is fixedly connected to a crash barrier 7, which greatly improves the crash resistance of the frame 1.

[0035] refer to Figure 1 An X-shaped reinforcement rod 8 is fixedly connected to the inside of the frame 1, and both ends of the X-shaped reinforcement rod 8 are fixedly connected to the inner wall of the frame 1. By providing the X-shaped reinforcement rod 8, the stability of the entire frame 1 can be improved.

[0036] refer to Figure 1 The surfaces of the first wheel 308 and the second wheel 309 are both provided with a plurality of protrusions 9, which are evenly distributed on the surfaces of the first wheel 308 and the second wheel 309, respectively, so as to increase the friction between the first wheel 308 and the second wheel 309 and the ground and avoid slipping.

[0037] refer to Figure 1 A connecting shaft 10 for use with the differential 303 is disposed on the top of the reinforcement frame 2, and a steering wheel 11 is disposed on the top of the connecting shaft 10. By arranging the connecting shaft 10 and the steering wheel 11, a steering driving force can be provided for the differential 303.

[0038] refer to Figure 3 The driving motor 306 adopts a high-efficiency and lightweight DC brushless motor. By setting the driving motor 306 to adopt a DC brushless motor, the high efficiency and lightweight of the driving motor 306 can be improved.

[0039] Brief description of the use process: When in use, the drive motor 306 will provide driving force to the second main shaft 302. By setting the drive motor 306 to adopt a DC brushless motor, the high efficiency and lightness of the drive motor 306 can be improved, so that the second main shaft 302 will provide driving force to the differential 303, and the differential 303 will provide driving force to the connecting arm 305. When the second main shaft 302 is driven by the driving force, it is easy to drive the rocker arm 304 to turn. At the same time, the rocker arm 304 will drive the support frame 307 and the first wheel 308 to turn. By setting the first damper 4 and the second damper 5, the vibration and vibration during turning can be reduced.

[0040] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An electric drive axle steering rocker arm (304), comprising a vehicle frame (1), characterized in that: A reinforcement frame (2) is fixedly connected to the interior of the vehicle frame (1), and a driving assembly (3) is provided at the bottom of the reinforcement frame (2); The driving assembly (3) comprises a first main shaft (301), a second main shaft (302), a differential (303), a rocker arm (304), a connecting arm (305), a driving motor (306), a support frame (307), a first wheel (308) and a second wheel (309), wherein the first main shaft (301) is bolted to the bottom of the frame (1), the second main shaft (302) is arranged inside the frame (1), the differential (303) is bolted to the bottom of the reinforcement frame (2) and is used in conjunction with the second main shaft (302), and the two rocker arms (304) are rotatably connected to the second main shaft (301) and the second main shaft (302) respectively. The first wheel (308) is rotatably connected to one end of the support frame (307), and the second wheel (309) is rotatably connected to the two ends of the first main shaft (301). The second wheel (309) is rotatably connected to the two ends of the first main shaft (301). The second wheel (309) is rotatably connected to the two ends of the first main shaft (301). The second wheel (309) is rotatably connected to the two ends of the first main shaft (301). The second wheel (309) is rotatably connected to the two ends of the first main shaft (301).

2. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: The two side walls of the frame (1) are provided with a first damper (4) and a second damper (5); the top ends of the first damper (4) and the second damper (5) are bolted to the top of the frame (1); and the bottom ends of the first damper (4) are bolted to the top of the support frame (307) and the top of the first main shaft (301), respectively.

3. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: One end of the vehicle frame (1) is fixedly connected to a connecting frame (6), and one end of the connecting frame (6) is fixedly connected to a crash barrier (7).

4. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: An X-shaped reinforcement rod (8) is fixedly connected inside the vehicle frame (1), and both ends of the X-shaped reinforcement rod (8) are fixedly connected to the inner side wall of the vehicle frame (1).

5. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: The surfaces of the first wheel (308) and the second wheel (309) are both provided with a plurality of protrusions (9), and the plurality of protrusions (9) are evenly distributed on the surfaces of the first wheel (308) and the second wheel (309).

6. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: A connecting shaft (10) for use with the differential (303) is arranged on the top of the reinforcement frame (2), and a steering wheel (11) is arranged on the top of the connecting shaft (10).

7. The electric drive axle steering rocker arm (304) according to claim 1, characterized in that: The driving motor (306) adopts a high-efficiency and lightweight direct current brushless motor.

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