CN212500633U - Steering wheel capable of adjusting height and angle - Google Patents

Abstract

The utility model discloses a steering wheel that can height-adjusting and angle, including mount, first screw rod, second screw rod and step motor, the inside rotating turret that is provided with of mount, and the spout has been seted up to both sides inner wall around the mount, both ends and spout sliding connection around the rotating turret simultaneously, the rotating turret front side sets up first rack, and first rack front end is connected with the meshing of first tooth rear end. This can height-adjusting and steering wheel of angle, be provided with the rotating turret, the universal joint, first screw rod and second screw rod, connecting axle and loose axle sliding connection, adjust the height of steering wheel, the second screw rod promotes second tooth meshing second rack, make and be connected the fastening between connecting axle and the loose axle, use the universal joint to rotate loose axle and rotating turret as the center, adjust the angle of steering wheel, first screw rod promotes first tooth meshing first rack, make and be connected the fastening between rotating turret and the mounting, the operation process is simple, it is more convenient to use.

Description

Steering wheel capable of adjusting height and angle

Technical Field

The utility model relates to a car steering transmission technical field specifically is a steering wheel that can height-adjusting and angle.

Background

The steering wheel is an important operation device for adjusting the direction of an automobile, but the existing steering wheel height and angle adjusting device is usually installed inside an automobile body and needs to be adjusted by professional personnel, the adjusting mode is complex and is not suitable for the automobile frequently replacing a driver, the existing steering wheel is fixed with the transmission ratio of tires, when the automobile runs in a city area, the automobile is conveniently and quickly operated by the smaller steering ratio due to the lower speed of the automobile, but on a highway, the speed of the automobile is higher, the automobile is easily out of control due to the excessively fast steering, certain potential safety hazards exist when the automobile is used, and aiming at the problems, the existing equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can height-adjusting and steering wheel of angle, install inside the automobile body usually with angle adjustment device with current steering wheel height that proposes in solving above-mentioned background art, need the professional to adjust, this kind of adjustment mode is complicated, be not suitable for frequently changing driver's car, current steering wheel is fixed with the drive ratio of tire, when traveling in the urban area, because the speed of a motor vehicle is lower, less turn to than being convenient for fast steering car, but on highway, the speed of a motor vehicle is higher, too fast turning to lead to the car out of control easily, use the problem that has certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a steering wheel capable of adjusting height and angle comprises a fixed frame, a first screw rod, a second screw rod and a stepping motor, wherein a rotating frame is arranged in the fixed frame, sliding grooves are formed in the inner walls of the front side and the rear side of the fixed frame, the front end and the rear end of the rotating frame are connected with the sliding grooves in a sliding mode, a first rack is arranged on the front side of the rotating frame, the front end of the first rack is meshed with the rear end of a first tooth, the first screw rod penetrates through the front end of the fixed frame and is connected with the rear end of the first tooth in a rotating mode, a protective sleeve is connected to one side of the rotating frame in a sliding mode, the other side of the rotating frame is connected with a movable shaft in a rotating mode, a connecting shaft is connected in the protective sleeve in a rotating mode, one end, close to the movable shaft, of the connecting shaft is connected with a movable shaft through a, the second rack is engaged with the second teeth, the second screw rod penetrates through one side of the rotating frame and is rotationally connected with the second teeth, one end of the movable shaft, far away from the connecting shaft, is connected with the fixed shaft through a universal joint, a torque sensor is arranged on the outer side of the fixed shaft, the lower end of the fixed shaft is arranged in the transmission box, one side of the fixed shaft is slidably connected with a triangular plate, the triangular plate is arranged between the first electromagnetic switch and the second electromagnetic switch, the first electromagnetic switch and the second electromagnetic switch are arranged on the surface of the inner wall of the transmission box, one side of the triangular plate, close to the sliding rod, is rotationally connected with a first gear, one end of the triangular plate, close to the movable shaft, is rotationally connected with a second gear, a first transmission shaft and an intermediate shaft are arranged in the transmission box, the first transmission shaft is arranged on the rear side of the intermediate shaft, and, and the outside of the fixed shaft and the outside of the intermediate shaft are in splined connection with a second gear, the outside of the first transmission shaft and the outside of the intermediate shaft are both fixed with end face gears, and one end of the first transmission shaft close to the slide bar and one end of the second transmission shaft close to the slide bar are both in meshed connection with the connecting rack.

Preferably, the second transmission shaft sets up between jackshaft and slide bar, and the one end that the second transmission shaft is close to the jackshaft is provided with planetary gear, and planetary gear is connected with the jackshaft meshing simultaneously, the slide bar runs through the sleeve, and sleeve and transmission case lower extreme are linked together, slide bar one side is provided with the connecting rack, and the slide bar opposite side is provided with the target, the sleeve inner wall is provided with proximity switch, step motor one end runs through the sleeve and is connected with the connecting rack meshing, and the step motor other end is provided with signal processor.

Preferably, the circle center of the sliding groove, the circle center of the second rack and the center line of the universal joint are located on the same horizontal straight line.

Preferably, the control button, the signal processor, the first electromagnetic switch, the second electromagnetic switch, the torque sensor, the stepping motor and the proximity switch are electrically connected.

Preferably, one end of the triangular plate, which is close to the sliding rod, is provided with a first electromagnetic switch, and one end of the triangular plate, which is close to the movable shaft, is provided with a second electromagnetic switch.

Preferably, the first gear and the second gear are both provided with two gears, and the two gears are in meshed connection with each other.

Preferably, the first gear outside the first drive shaft is in meshing engagement with the face gear outside the first drive shaft.

Preferably, the second gear on the outside of the intermediate shaft is in meshing connection with the face gear on the outside of the intermediate shaft.

Preferably, the slide bar and the sleeve are connected in a sliding manner, and the sliding distances of the front side and the rear side of the slide bar in the sliding direction are equal.

Compared with the prior art, the beneficial effects of the utility model are that: the steering wheel can adjust the height and the angle,

(1) the steering wheel is provided with a rotating frame, a universal joint, a first screw rod and a second screw rod, a connecting shaft is connected with a movable shaft in a sliding mode, the height of the steering wheel is adjusted, the second screw rod pushes a second tooth to be meshed with a second rack, the connecting shaft and the movable shaft are connected and fastened, the movable shaft and the rotating frame are rotated by taking the universal joint as a center, the angle of the steering wheel is adjusted, the first screw rod pushes a first tooth to be meshed with the first rack, the rotating frame and a fixing piece are connected and fastened, the operation process is simple, and the use is more convenient;

(2) the device is provided with a proximity switch, a stepping motor and a target, wherein a sliding rod slides along a sleeve, the sliding rod pushes a tire to rotate for steering, the target judges the steering direction according to the approaching sequence of three proximity switches, a control button is pressed, the stepping motor pushes the sliding rod to slide until the target approaches the middle proximity switch, and the middle proximity switch sends a positioning signal, so that the direction is automatically reset and corrected, and the operation of a driver is more convenient;

(3) be provided with set-square, first transmission shaft, secondary drive axle and planetary gear, first electromagnetic switch is connected with first transmission shaft or countershaft through the mode of pulling the set-square with second electromagnetic switch, control fixed axle, and wherein the jackshaft is connected with the secondary drive axle through planetary gear for jackshaft slew velocity is greater than the secondary drive axle, is convenient for adjust according to the in-service use condition and turns to than, uses more to have the practicality.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the fixing frame of the present invention;

FIG. 4 is a schematic view of the right side cross-section of the fixing frame of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 6 is a schematic view of the sectional structure of the sleeve in the bottom view;

fig. 7 is a schematic view of the right side sectional structure of the transmission shaft of the present invention;

fig. 8 is a schematic view of the work flow structure of the present invention.

In the figure: 1. the device comprises a fixed frame, 2, a rotating frame, 3, a sliding groove, 4, a first rack, 5, a first tooth, 6, a first screw rod, 7, a protective sleeve, 8, a movable shaft, 9, a connecting shaft, 10, a steering wheel, 11, a control button, 12, a second rack, 13, a second tooth, 14, a second screw rod, 15, a universal joint, 16, a fixed shaft, 17, a torque sensor, 18, a transmission case, 19, a triangular plate, 20, a first electromagnetic switch, 21, a second electromagnetic switch, 22, a first gear, 23, a second gear, 24, a first transmission shaft, 25, an intermediate shaft, 26, a face gear, 27, a sliding rod, 28, a second transmission shaft, 29, a connecting rack, 30, a planet gear, 31, a sleeve, 32, a target, 33, a proximity switch, 34, a stepping motor, 35 and a signal processor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a steering wheel capable of adjusting height and angle is disclosed, as shown in figure 1, figure 2 and figure 4, a fixed frame 1 is internally provided with a rotating frame 2, the inner walls of the front side and the rear side of the fixed frame 1 are provided with sliding grooves 3, the front end and the rear end of the rotating frame 2 are connected with the sliding grooves 3 in a sliding manner, the circle center of the sliding groove 3, the circle center of a second rack 12 and the central line of a universal joint 15 are positioned on the same horizontal straight line, when the rotating frame 2 rotates by taking the universal joint 15 as the center, the rotating frame 2 slides along the sliding grooves 3 while a first tooth 5 moves along the first rack 4, the front side of the rotating frame 2 is provided with the first rack 4, the front end of the first rack 4 is meshed and connected with the rear end of the first tooth 5, a first screw 6 penetrates through the front end of the fixed frame 1 and is rotatably connected with the rear end of the first tooth 5, one side of the rotating frame 2 is connected with a protecting sleeve 7 in, and one end of the connecting shaft 9 close to the movable shaft 8 is connected with the movable shaft 8 through a spline, and one end of the connecting shaft 9 far away from the movable shaft 8 is provided with a steering wheel 10.

As shown in fig. 1, 3 and 5, the steering wheel 10 is provided with a control button 11, the control button 11, a signal processor 35, a first electromagnetic switch 20, a second electromagnetic switch 21, a torque sensor 17, a stepping motor 34 and a proximity switch 33 are electrically connected, the torque sensor 17 and the proximity switch 33 collect information and send the information to the signal processor 35, the first electromagnetic switch 20, the second electromagnetic switch 21 and the stepping motor 34 are controlled by the control button 11, the automation degree is improved, the use by a driver is convenient, the second rack 12 is arranged on one side of the protective sleeve 7, and the second rack 12 is engaged with the second tooth 13, the second screw 14 penetrates through one side of the rotating frame 2 and is rotationally connected with the second tooth 13, one end of the movable shaft 8, which is far away from the connecting shaft 9, is connected with a fixed shaft 16 through a universal joint 15, and a torque sensor 17 is arranged on the outer side of the fixed shaft 16.

As shown in fig. 1, 2 and 7, the lower end of the fixed shaft 16 is arranged inside the transmission case 18, one side of the fixed shaft 16 is slidably connected with a triangular plate 19, one end of the triangular plate 19 close to a sliding rod 27 is provided with a first electromagnetic switch 20, one end of the triangular plate 19 close to the movable shaft 8 is provided with a second electromagnetic switch 21, the first electromagnetic switch 20 pulls the triangular plate 19, a first gear 22 is meshed with a face gear 26 on a first transmission shaft 24, similarly, the second electromagnetic switch 21 is meshed with a face gear 26 on an intermediate shaft 25 and a second gear 23, the triangular plate 19 is arranged between the first electromagnetic switch 20 and the second electromagnetic switch 21, the first electromagnetic switch 20 and the second electromagnetic switch 21 are arranged on the inner wall surface of the transmission case 18, one side of the triangular plate 19 close to the sliding rod 27 is rotatably connected with the first gear 22, and one end of the triangular plate 19 close to the movable shaft 8 is rotatably connected with the second gear 23, the number of the first gears 22 and the number of the second gears 23 are two, the two first gears 22 and the two second gears 23 are in meshed connection, the first gear 22 outside the first transmission shaft 24 and the face gear 26 outside the first transmission shaft 24 are in meshed connection, the second gear 23 outside the intermediate shaft 25 and the face gear 26 outside the intermediate shaft 25 are in meshed connection, the fixed shaft 16 drives the first transmission shaft 24 to rotate through the two first gears 22 and the face gear 26 on the first transmission shaft 24 or drives the intermediate shaft 25 to rotate through the two second gears 23 and the face gear 26 on the intermediate shaft 25, the first transmission shaft 24 and the intermediate shaft 25 are arranged inside the transmission case 18, the first transmission shaft 24 is arranged on the rear side of the intermediate shaft 25, the first gear 22 is in splined connection with the fixed shaft 16 outside the first transmission shaft 24 and the fixed shaft 16, and the second gear 23 is in splined connection with the intermediate shaft 25 outside the fixed shaft 16 and the intermediate shaft 25, the outer side of the first transmission shaft 24 and the outer side of the intermediate shaft 25 are both fixed with face gears 26, one end of the first transmission shaft 24 close to the sliding rod 27 and one end of the second transmission shaft 28 close to the sliding rod 27 are both meshed with the connecting rack 29, the sliding rod 27 and the sleeve 31 are connected in a sliding mode, sliding distances in sliding directions of the front side and the rear side of the sliding rod 27 are equal, and the sliding rod 27 pushes the tire to rotate to steer when sliding along the sleeve 31.

As shown in fig. 2, 6 and 8, the second transmission shaft 28 is disposed between the intermediate shaft 25 and the sliding rod 27, and one end of the second transmission shaft 28 close to the intermediate shaft 25 is provided with a planetary gear 30, while the planetary gear 30 is engaged with the intermediate shaft 25, the sliding rod 27 penetrates through a sleeve 31, and the sleeve 31 is communicated with the lower end of the transmission case 18, one side of the sliding rod 27 is provided with a connecting rack 29, and the other side of the sliding rod 27 is provided with a target 32, the inner wall of the sleeve 31 is provided with three proximity switches 33, the proximity switches 33 on both sides are used for determining the sliding direction of the sliding rod 27, the proximity switch 33 in the middle is used for positioning the sliding rod 27, one end of the stepping motor 34 penetrates through the sleeve 31 and is engaged with the connecting rack 29, and.

The working principle is as follows: when the steering wheel capable of adjusting the height and the angle is used, the model of the proximity switch 33 is E2A-M12LS04-M1, the model of the signal processor 35 is TMS320F28016PZA, the model of the torque sensor 17 is SCA100T-D01, the first screw rod 6 is loosened by rotation, the rotating frame 2 is rotated by taking the universal joint 15 as the center, meanwhile, the rotating frame 2 slides along the sliding groove 3, so that the rotating frame 2 rotates more stably, the first screw rod 6 is tightened, the first tooth 5 is meshed with the first rack 4 to play a role in connecting and fixing the rotating frame 2 and the fixed frame 1, the second screw rod 14 is loosened by rotation, the connecting shaft 9 is pulled to adjust the height of the steering wheel 10, the second screw rod 14 is tightened, the second tooth 13 is meshed with the second rack 12 to play a role in connecting and fixing the protective sleeve 7 and the rotating frame 2, the height and the angle of the steering wheel 10 can be adjusted conveniently and quickly, and the control button 11 is pressed under the condition of low-speed running, the signal processor 35 controls the first electromagnetic switch 20 to pull the triangular plate 19, so that the first gear 22 on the triangular plate 19 is meshed with the end face gear 26 on the first transmission shaft 24, the steering wheel 10 is rotated, the steering wheel 10 drives the connecting shaft 9 and the movable shaft 8 to rotate, the movable shaft 8 drives the fixed shaft 16 to rotate through the universal joint 15, the fixed shaft 16 drives the first transmission shaft 24 to rotate through the meshing of the two first gears 22 and the first gear 22 is meshed with the first transmission shaft 24 on the first transmission shaft 24, the first transmission shaft 24 pushes the sliding rod 27 to slide through the meshing with the connecting rack 29, the torque sensor 17 detects the rotation, the signal processor 35 controls the stepping motor 34 according to the detection information, the stepping motor 34 pushes the sliding rod 27 to slide through the meshing with the connecting rack 29, the stepping motor 34 plays a role in assisting steering and reducing the output of a driver, according to the approaching sequence of the different approaching switches 33 and the target 32, the signal processor 35 can distinguish the sliding direction of the sliding rod 27 conveniently, when the automatic return-to-normal reset is needed, the control button 11 is pressed, the stepping motor 34 pushes the reverse sliding until the target 32 approaches the middle approach switch 33, so that the sliding rod 27 completes the automatic reset, under the condition of high-speed running, the control button 11 is pressed, the signal processor 35 controls the second electromagnetic switch 21 to pull the triangular plate 19, similarly, the fixed shaft 16 drives the intermediate shaft 25 to rotate, the intermediate shaft 25 adjusts the transmission ratio through the planetary gear 30, so that the rotating speed of the second transmission shaft 28 is lower than that of the intermediate shaft 25, and the steering ratio is adjusted to be lower, so that the high-speed running state is more suitable for, the use has higher practicability, and the whole work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a can height-adjusting and angle's steering wheel, includes mount (1), first screw rod (6), second screw rod (14) and step motor (34), its characterized in that: a rotating frame (2) is arranged in the fixed frame (1), sliding grooves (3) are formed in the inner walls of the front side and the rear side of the fixed frame (1), the front end and the rear end of the rotating frame (2) are connected with the sliding grooves (3) in a sliding mode, a first rack (4) is arranged on the front side of the rotating frame (2), the front end of the first rack (4) is meshed with the rear end of a first tooth (5) in a meshed mode, a first screw (6) penetrates through the front end of the fixed frame (1) and is connected with the rear end of the first tooth (5) in a rotating mode, a protective sleeve (7) is connected to one side of the rotating frame (2) in a sliding mode, a movable shaft (8) is connected to the other side of the rotating frame (2) in a rotating mode, a connecting shaft (9) is connected to the protective sleeve (7) in a rotating mode, one end, close to the movable shaft (8), of the connecting shaft (9), the steering wheel (10) is provided with a control button (11), one side of the protective sleeve (7) is provided with a second rack (12), the second rack (12) is meshed with a second tooth (13) and connected, a second screw (14) penetrates through one side of the rotating frame (2) and is rotatably connected with the second tooth (13), one end, far away from the connecting shaft (9), of the movable shaft (8) is connected with a fixed shaft (16) through a universal joint (15), a torque sensor (17) is arranged on the outer side of the fixed shaft (16), the lower end of the fixed shaft (16) is arranged inside the transmission case (18), one side of the fixed shaft (16) is slidably connected with a triangular plate (19), the triangular plate (19) is arranged between a first electromagnetic switch (20) and a second electromagnetic switch (21), and the first electromagnetic switch (20) and the second electromagnetic switch (21) are arranged on the surface of the inner wall of the transmission case (18), one side of the triangle (19) close to the slide bar (27) is rotationally connected with a first gear (22), and one end of the triangle (19) close to the movable shaft (8) is rotationally connected with a second gear (23), a first transmission shaft (24) and a middle shaft (25) are arranged in the transmission case (18), and a first transmission shaft (24) is arranged at the rear side of the intermediate shaft (25), a first gear (22) is connected with the outer side of the first transmission shaft (24) and the outer side of the fixed shaft (16) through splines, and the outer side of the fixed shaft (16) and the outer side of the intermediate shaft (25) are connected with a second gear (23) by a spline, face gears (26) are fixed on the outer sides of the first transmission shaft (24) and the intermediate shaft (25), and one end of the first transmission shaft (24) close to the sliding rod (27) and one end of the second transmission shaft (28) close to the sliding rod (27) are meshed and connected with the connecting rack (29).

2. A steering wheel with adjustable height and angle according to claim 1, wherein: second transmission shaft (28) set up between jackshaft (25) and slide bar (27), and second transmission shaft (28) are close to the one end of jackshaft (25) and are provided with planetary gear (30), and planetary gear (30) are connected with jackshaft (25) meshing simultaneously, slide bar (27) run through sleeve (31), and sleeve (31) are linked together with transmission case (18) lower extreme, slide bar (27) one side is provided with connecting rack (29), and slide bar (27) opposite side is provided with target (32), sleeve (31) inner wall is provided with proximity switch (33), step motor (34) one end is run through sleeve (31) and is connected with connecting rack (29) meshing, and step motor (34) other end is provided with signal processor (35).

3. A steering wheel with adjustable height and angle according to claim 1, wherein: the circle center of the sliding chute (3), the circle center of the second rack (12) and the center line of the universal joint (15) are positioned on the same horizontal straight line.

4. A steering wheel with adjustable height and angle according to claim 1, wherein: the control button (11), the signal processor (35), the first electromagnetic switch (20), the second electromagnetic switch (21), the torque sensor (17), the stepping motor (34) and the proximity switch (33) are electrically connected.

5. A steering wheel with adjustable height and angle according to claim 1, wherein: one end of the triangular plate (19) close to the sliding rod (27) is provided with a first electromagnetic switch (20), and one end of the triangular plate (19) close to the movable shaft (8) is provided with a second electromagnetic switch (21).

6. A steering wheel with adjustable height and angle according to claim 1, wherein: the first gears (22) and the second gears (23) are respectively provided with two gears, and the two gears (22) and the two gears (23) are in meshed connection.

7. A steering wheel with adjustable height and angle according to claim 1, wherein: the first gear (22) outside the first transmission shaft (24) and the face gear (26) outside the first transmission shaft (24) are in meshed connection.

8. A steering wheel with adjustable height and angle according to claim 1, wherein: the second gear (23) on the outer side of the intermediate shaft (25) is in meshed connection with the face gear (26) on the outer side of the intermediate shaft (25).

9. A steering wheel with adjustable height and angle according to claim 1, wherein: the slide rod (27) and the sleeve (31) are connected in a sliding mode, and the sliding distances of the front side and the rear side of the slide rod (27) in the sliding direction are equal.

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