A vehicle motion control device

Abstract

The present invention discloses a vehicle motion control device, which includes a fixed bracket, a front and rear bracket rotatably arranged on the fixed bracket, a left and right bracket rotatably arranged on the front and rear bracket, and an operating handle arranged on the left and right bracket; a front and rear angle sensor for sensing the rotation angle of the front and rear bracket is installed on the fixed bracket, a left and right angle sensor for sensing the rotation angle of the left and right bracket is installed on the front and rear bracket, and the front and rear angle sensor and the left and right angle sensor are in signal connection with a vehicle controller. The vehicle motion control device provided by the present invention has a simple structure and convenient operation.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle control, and particularly relates to a vehicle motion control device. Background Art

[0002] In the prior art, the common operation methods of riding lawn mowers are as follows:

[0003] (1) The steering wheel controls the turning motion of the vehicle, and at the same time, the accelerator pedal is used to control the forward and backward movement of the vehicle;

[0004] (2) Two left and right operating handles are used to realize the forward and backward movement of the vehicle by pushing forward or backward simultaneously, and one handle is pushed forward and the other handle is pulled backward to realize the turning motion of the vehicle;

[0005] (3) A rocker structure is used to control the forward and backward movement and turning motion of the vehicle. This method is used by modification enthusiasts or individual professional users and has not been applied in batches. Summary of the Invention

[0006] Based on the above problems, the object of the present invention is to provide a vehicle motion control device with a simple structure and convenient operation.

[0007] In order to solve the problems in the prior art, the technical solution provided by the present invention is:

[0008] A vehicle motion control device includes a fixed bracket, a front and rear bracket rotatably arranged on the fixed bracket, a left and right bracket rotatably arranged on the front and rear bracket, and an operating handle arranged on the left and right bracket; a front and rear angle sensor for sensing the rotation angle of the front and rear bracket is installed on the fixed bracket, a left and right angle sensor for sensing the rotation angle of the left and right bracket is installed on the front and rear bracket, and the front and rear angle sensor and the left and right angle sensor are signal-connected to a vehicle controller.

[0009] Further, a damping mechanism is also provided. The damping mechanism includes a first damper fixing rod fixed on the vehicle frame, a damper mounting bracket fixed on the left and right bracket, a second damper fixing rod fixed on the damper mounting bracket, and a damper assembly arranged between the first damper fixing rod and the second damper fixing rod.

[0010] Further, the fixed bracket includes a bottom plate and two support plates symmetrically arranged on the bottom plate. The front and rear bracket is rotatably arranged between the two support plates, and the front and rear angle sensor is installed outside one of the support plates.

[0011] Further, the front and rear brackets include two first plate members arranged relatively parallel to each other, and a second plate member connecting one end of the two first plate members in the left-right direction. The two first plate members are respectively in rotational cooperation with the two support plates. The left-right angle sensor is installed on the second plate member. The other ends of the two first plate members in the left-right direction are connected with a front and rear bracket baffle.

[0012] Further, the left and right brackets include two first support members arranged relatively, and a second support member connecting the upper ends of the two first support members. The two first support members are respectively in rotational cooperation with the second plate member and the front and rear bracket baffle. A perforation for the operation handle to extend into is provided on the second support member. A limit opening for the operation handle to extend out is formed between the lower ends of the two first support members. The damper mounting bracket is fixed on the first support member on the side opposite to the left-right angle sensor.

[0013] Further, both ends of the damper mounting bracket are respectively fixed to the upper and lower ends of the first support member, and there is an avoidance opening for the front and rear bracket baffle to extend into between the damper mounting bracket and the first support member.

[0014] Further, a zero position switch signal-connected to the vehicle controller is installed at the lower end of the bottom plate. A limit block corresponding to the zero position switch and located below the operation handle is provided at the upper end of the bottom plate. A stop groove for the operation handle to extend into is provided on the limit block. The switch contact of the zero position switch extends into the stop groove.

[0015] Further, a first card slot, a second card slot, and a limit retaining ring are arranged at intervals from top to bottom on the lower part of the operation handle. The limit retaining ring is located below the limit opening and has a size larger than the limit opening. A limit spring ball stud matching the first card slot and the second card slot is provided on one of the first support members.

[0016] Further, an upper protective cover is fixed to the upper end of the fixed bracket. An operation opening for the operation handle to extend into is provided on the upper protective cover. A first wear-resistant gasket is fixed on the circumference of the operation opening.

[0017] Further, the operation handle includes a rocker shaft and a handle shaft fixed to the upper end of the rocker shaft. A locking block is provided between the handle shaft and the rocker shaft.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] By adopting the technical solution of the present invention, the forward and backward movement and turning actions of the vehicle can be realized through the operation handle, which can be operated with one hand, and has a simple structure without major changes to the frame structure. Description of the Drawings

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. The drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 Structural schematic of an embodiment of a vehicle motion control device of the present invention Figure 1 ;

[0022] Figure 2 Structural schematic in the embodiment of the present invention Figure 2 ;

[0023] Figure 3 Schematic installation structure diagram of the front and rear brackets and left and right brackets in the embodiment of the present invention;

[0024] Figure 4 Schematic installation structure diagram of the zero position switch in the embodiment of the present invention;

[0025] Wherein:

[0026] 1. Fixed bracket; 1-1. Bottom plate; 1-2. Support plate;

[0027] 2. Front and rear brackets; 2-1. First plate member; 2-2. Second plate member; 2-3. Front and rear bracket baffle;

[0028] 3. Left and right brackets; 3-1. First support member; 3-2. Second support member;

[0029] 4. Operating handle; 4-1. Rocker shaft; 4-1a. First card slot; 4-1b. Second card slot; 4-1c. Limit retaining ring; 4-2. Handle shaft; 4-3. Locking block;

[0030] 5. Front and rear angle sensors;

[0031] 6. Left and right angle sensors;

[0032] 7. Damping mechanism; 7-1. First damper fixing rod; 7-2. Damper mounting bracket; 7-3. Second damper fixing rod; 7-4. Damper;

[0033] 8. Zero position switch; 8-1. Switch contact;

[0034] 9. Limit block; 9-1. Stopping groove;

[0035] 10. Upper protective cover;

[0036] 11. First wear-resistant gasket;

[0037] 12. Front and rear bracket rotating shaft;

[0038] 13. Left and right bracket rotating shaft;

[0039] 14. Second wear-resistant gasket;

[0040] 15. Third wear-resistant gasket;

[0041] 16. Limit spring ball column. Detailed implementation manners

[0042] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are for illustrating the present invention rather than limiting the scope of the present invention. The implementation conditions adopted in the embodiments can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0043] Refer to Figures 1-4 , which is a schematic structural diagram of an embodiment of the present invention. A vehicle motion control device is provided, including a fixed bracket 1, a front and rear bracket 2 rotatably arranged on the fixed bracket 1, a left and right bracket 3 rotatably arranged on the front and rear bracket 2, and an operating handle 4 arranged on the left and right bracket 3. The fixed bracket 1 is fixed on the vehicle frame. At the same time, a front and rear angle sensor 5 for sensing the rotation angle of the front and rear bracket 2 is installed on the fixed bracket 1, and a left and right angle sensor 6 for sensing the rotation angle of the left and right bracket 3 is installed on the front and rear bracket 2. The front and rear angle sensor 5 and the left and right angle sensor 6 are respectively in signal connection with the vehicle controller.

[0044] When the operating handle 4 swings left and right, the operating handle 4 drives the left and right bracket 3 to swing left and right. Thus, the left and right angle sensor 6 can transmit the angle signal of the swing of the left and right bracket 3 to the vehicle controller; when the operating handle 4 swings forward and backward, the operating handle 4 drives the front and rear bracket 2 to swing forward and backward via the left and right bracket 3. Thus, the front and rear angle sensor 5 transmits the angle signal of the swing of the front and rear bracket 2 to the vehicle controller.

[0045] In order to further optimize the implementation effect of the present invention, limit the movement speed when the operating handle 4 is toggled, and prevent the operating handle from being too flexible during working conditions such as bumpy roads and climbing slopes, resulting in problems such as unstable control or rollover, a damping mechanism 7 is also installed. Specifically, the damping mechanism 7 includes a first damper fixing rod 7-1 fixed on the vehicle frame, a damper mounting bracket 7-2 fixed on the left and right bracket 3, a second damper fixing rod 7-3 fixed on the damper mounting bracket 7-2, and a damper assembly arranged between the first damper fixing rod 7-1 and the second damper fixing rod 7-3. In this example, the damper assembly includes two dampers 7-4 arranged side by side. The telescopic amount of the damper 7-4 during movement is controlled by adjusting the inclination angle of the damper 7-4 and the distance between the two dampers 7-4, so that the force values in all directions of the operating handle 4 are relatively consistent during movement.

[0046] In this example, the fixed bracket 1 includes a base plate 1-1 and two support plates 1-2 symmetrically arranged on the base plate 1-1. The front and rear brackets 2 are rotatably arranged between the two support plates 1-2, and the front and rear angle sensors 5 are installed on one of the support plates 1-2.

[0047] The front and rear brackets 2 include two first plates 2-1 arranged in parallel with each other, and a second plate 2-2 connecting one end of the two first plates 2-1 in the left-right direction. The two first plates 2-1 are rotatably coupled to the two support plates 1-2. Specifically, the first plates 2-1 are rotatably mounted on the support plates 1-2 via the front and rear bracket rotation shafts 12. The left-right angle sensor 6 is mounted on the second plate 2-2. The other end of the two first plates 2-1 in the left-right direction is connected to a front and rear bracket baffle 2-3. In this example, the front and rear bracket baffle 2-3 is removably mounted on the first plate 2-1 to facilitate installation of the left and right brackets 3 and the damper mounting bracket 7-2.

[0048] The left and right brackets 3 include two first support members 3-1 arranged opposite each other, and a second support member 3-2 connecting the upper ends of the two first support members 3-1. The two first support members 3-1 are rotatably engaged with the second plate member 2-2 and the front and rear bracket baffles 2-3, respectively. Specifically, the first support members 3-1 are rotatably engaged with the second plate member 2-2 and the front and rear bracket baffles 2-3 via the left and right bracket rotation axes 13. A through-hole is provided in the second support member 3-2 for inserting the operating handle 4, and a stop opening is formed between the lower ends of the two first support members 3-1 for extending the operating handle 4. The damper mounting bracket 7-2 is fixed to the first support member 3-1 on the side opposite the left and right angle sensors 6.

[0049] To facilitate the installation of the damper 7-4, the two ends of the damper mounting frame 7-2 are respectively fixed to the upper and lower ends of the first support member 3-1, and an escape opening is provided between the damper mounting frame 7-2 and the first support member 3-1 for the front and rear bracket baffles 2-3 to extend into.

[0050] In order to facilitate the stopping of the vehicle, a zero position switch 8 connected to the vehicle controller signal is installed at the lower end of the base plate 1-1, and a limit block 9 is provided at the upper end of the base plate 1-1, which corresponds to the zero position switch 8 and is located below the operating handle 4. A stop groove 9-1 is provided on the limit block 9 for the operating handle 4 to extend into, and the switch contact 8-1 of the zero position switch 8 extends into the stop groove 9-1. When the operating handle 4 extends into the stop groove 9-1 and contacts the switch contact 8-1, the zero position switch 8 is triggered, the vehicle stops, and the operating handle 4 is fixed.

[0051] In this example, the operating handle 4 includes a rocker shaft 4-1 and a handle shaft 4-2 fixed to the upper end of the rocker shaft 4-1. A locking block 4-3 is provided between the handle shaft 4-2 and the rocker shaft 4-1. The handle shaft 4-2 is threadedly connected to the rocker shaft 4-1. The setting of the locking block 4-3 can ensure that the handle shaft 4-2 is fastened to the rocker shaft 4-1 without loosening.

[0052] To facilitate the limiting of the operating handle 4 in different states within the left and right brackets 3, a first slot 4-1a, a second slot 4-1b, and a limiting retaining ring 4-1c are provided at intervals from top to bottom on the lower part of the rocker shaft 4-1. The limiting retaining ring 4-1c is located below the limiting opening and has a size larger than the limiting opening, so as to limit the operating handle 4 within the left and right brackets 3. A limiting spring ball column 16 matching the first slot 4-1a and the second slot 4-1b is provided on one of the first support members 3-1. The limiting spring ball column 16 is a prior art and will not be elaborated in this invention.

[0053] When it is necessary to stop the vehicle, the operating handle 4 is moved downward. At this time, the limiting spring ball column 16 is located in the first slot 4-1a, the lower end of the operating handle 4 falls into the stop groove 9-1 and presses on the switch contact 8-1 of the zero position switch 8 to complete zeroing. At this time, the operating handle 4 is in a fixed state and cannot move left, right, forward, or backward. When using it again, the operating handle 4 is pulled out upward. At this time, the limiting spring ball column 16 is located in the second slot 4-1b, and the lower end of the operating handle 4 disengages from the stop groove 9-1, releasing the downward pressure on the zero position switch 8.

[0054] In this example, an upper shield 10 is fixed to the upper end of the fixed bracket 1. An operating opening for the operating handle 4 to extend into is provided on the upper shield 10. A first wear-resistant gasket 11 is fixed on the circumference of the operating opening. The first wear-resistant gasket 11 can be a nylon gasket. A second wear-resistant gasket 14 can also be provided between the front and rear bracket rotating shaft 12 and the fixed bracket 1, and a third wear-resistant gasket 15 can be provided between the left and right bracket rotating shaft 13 and the front and rear brackets 2 to reduce wear.

[0055] The above examples are only for explaining the technical concept and features of the present invention, and their purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. All equivalent transformations or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A vehicle motion control device, characterized in that: It includes a fixed bracket, a front and rear bracket rotatably arranged on the fixed bracket, a left and right bracket rotatably arranged on the front and rear bracket, and an operating handle arranged on the left and right bracket; a front and rear angle sensor for sensing the rotation angle of the front and rear bracket is installed on the fixed bracket, a left and right angle sensor for sensing the rotation angle of the left and right bracket is installed on the front and rear bracket, and the front and rear angle sensor and the left and right angle sensor are signal-connected to a vehicle controller; The fixed bracket includes a bottom plate and two support plates symmetrically arranged on the bottom plate. The front and rear bracket is rotatably arranged between the two support plates, and the front and rear angle sensor is installed outside one of the support plates; The left and right bracket includes two first support members arranged oppositely and a second support member connecting the upper ends of the two first support members. A limit opening for the operating handle to extend out is formed between the lower ends of the two first support members; A damping mechanism is also provided. The damping mechanism includes a first damper fixing rod fixed on the vehicle frame, a damper mounting bracket fixed on the left and right bracket, a second damper fixing rod fixed on the damper mounting bracket, and a damper assembly arranged between the first damper fixing rod and the second damper fixing rod; A zero position switch signal-connected to the vehicle controller is installed at the lower end of the bottom plate. A limit block corresponding to the zero position switch and located below the operating handle is provided at the upper end of the bottom plate. A stop groove for the operating handle to extend into is provided on the limit block, and the switch contact of the zero position switch extends into the stop groove; First slots, second slots, and a limit retaining ring are arranged at intervals from top to bottom on the lower part of the operating handle. The limit retaining ring is located below the limit opening and has a size larger than the limit opening. A limit spring ball post matching the first slots and the second slots is provided on one of the first support members; 2. The vehicle motion control device according to claim 1, characterized in that: The front and rear bracket includes two first plate members arranged relatively parallel and a second plate member connecting one end of the two first plate members in the left and right direction. The two first plate members are respectively rotationally matched with the two support plates. The left and right angle sensor is installed on the second plate member, and a front and rear bracket baffle is connected to the other end of the two first plate members in the left and right direction; 3. The vehicle motion control device according to claim 2, characterized in that: The two first support members are respectively rotationally matched with the second plate member and the front and rear bracket baffle. A through hole for the operating handle to extend into is provided on the second support member. The damper mounting bracket is fixed on the first support member on the side opposite to the left and right angle sensor; 4. The vehicle motion control device according to claim 3, characterized in that: Both ends of the damper mounting bracket are respectively fixed to the upper and lower ends of the first support member, and a relief opening for the front and rear bracket baffle to extend into is provided between the damper mounting bracket and the first support member; 5. The vehicle motion control device according to claim 1, characterized in that: An upper protective cover is fixed at the upper end of the fixed bracket. An operation opening for the operating handle to extend into is provided on the upper protective cover, and a first wear-resistant gasket is fixed on the circumference of the operation opening; 6. The vehicle motion control device according to claim 1, characterized in that: The operating handle includes a rocker shaft and a handle shaft fixed at the upper end of the rocker shaft. A locking block is provided between the handle shaft and the rocker shaft;

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