Adjustable steering wheel

Abstract

The invention discloses an adjustable steering wheel, which relates to the technical field of steering wheel bodies and comprises a steering wheel body capable of rotating around the axis of a connecting bevel gear, an assembly disc synchronously rotating along with the steering wheel body, and a fixing seat, a return spring pushing connecting seat, a moving plate and a second transmission roller which are loosened after adjustment is completed. Meanwhile, a limiting seat on an assembly disc is matched with a limiting groove of a fixing seat, a steering wheel body is rotated, a second transmission roller transmits the driving bevel gear to a driven bevel gear through the connecting bevel gear, and finally a first transmission roller is driven to rotate; reliable transmission can be guaranteed even if the steering wheel body is inconsistent with the axis of the support, dual guarantee fixation is achieved through the reset spring and the limiting structure after adjustment, the angle of the steering wheel body is prevented from being changed due to vibration in the driving process, stable and safe driving is guaranteed, the structure is compact, component layout is reasonable, and compared with an existing integrated adjustment design, excessive space in a vehicle is not occupied.

Description

Technical Field

[0001] The invention relates to the technical field of steering wheel bodies, in particular to an adjustable steering wheel. Background Art

[0002] The steering wheel is a wheel-shaped device for controlling the driving direction of cars, ships, airplanes, etc. Its function is to convert the force applied by the driver to the edge of the steering wheel into torque and then transmit it to the steering shaft. The original car was controlled by the rudder. The violent vibration generated by the car is transmitted to the driver, which increases the difficulty of controlling the direction. When the engine was installed in the front part of the car, the driver had no way to use the rudder to drive the car due to the increase in weight. The new design of the steering wheel body came into being. The gear system introduced between the driver and the wheel is flexible in operation and well isolates the violent vibration from the road. Not only that, a good steering wheel body system can also bring the driver a feeling of intimacy with the road.

[0003] At present, the steering wheel body of the automobile is fixedly connected to the steering shaft in the steering support, and the angle between the steering wheel body of the automobile and the steering support cannot be adjusted. If it moves toward itself, the support with a certain volume will also move closer to itself, squeezing its own use space, and its use still has certain limitations. Different drivers have different body sizes, sitting habits, etc., and it may not be possible for every driver to find the most comfortable driving posture; the Chinese patent with publication number CN221367174U proposes an adjustable automobile steering wheel body, wherein a connecting part is provided in the middle of the steering wheel body, a circular groove is provided in the middle of the connecting part, a first rotating shaft is limitedly connected in the circular groove, a rotating connecting component is connected to one side of the connecting part, and the front and rear ends of one side of the rotating connecting component are fixedly connected to the first rotating connecting plate, and the rotating connecting component is connected to the steering support on one side; the above patent can solve the problem of integral adjustment of the support and the steering wheel body, but in actual use, only the limiting member is pushed to make the transmission member engage and fix, and no further stabilization is performed. During the driving process of the vehicle, the steering wheel body will be continuously subjected to vibrations from the road surface and the hand force of the driver during operation. If it is simply fixed by meshing without further stabilization measures, the meshing between the transmission parts may become loose under the influence of long-term vibration and force, causing the steering wheel body to shake during use. This will not only affect the driver's precise control of the vehicle direction, but also increase the danger of driving. Therefore, we propose an adjustable steering wheel to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide an adjustable steering wheel to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose of the invention, the present invention adopts the following technical scheme: an adjustable steering wheel provided by the present invention comprises a steering wheel body, a support is arranged at the bottom of the steering wheel body, a control assembly is installed on the support and the steering wheel body, the steering wheel body and the support are connected through the control assembly, the support comprises a first transmission roller and a sleeve, the sleeve is sleeved on the surface of the first transmission roller, an end of the sleeve close to the steering wheel body is fixedly connected to an outer shell, the control assembly comprises a driven bevel gear, the driven bevel gear plane is fixedly connected to the first transmission roller, connecting bevel gears are arranged on both sides of the driven bevel gear, and an active bevel gear is arranged on the side of the connecting bevel gear away from the driven bevel gear. The wheel, the active bevel gear is fixedly connected with a second transmission roller on the plane away from the connecting bevel gear, the surface of the second transmission roller is slidably sleeved with an assembly cylinder, the surface of the second transmission roller is sleeved with a moving plate, the moving plate is placed in the assembly cylinder, a fixing groove is provided on the side of the connecting seat close to the support, a return spring is built in the fixing groove, an end of the return spring away from the connecting seat is sleeved with a connecting cylinder, the connecting cylinder is fixedly connected to a side of the inner cavity of the assembly cylinder away from the steering wheel body, an assembly disk is sleeved on the middle part of the steering wheel body, an assembly groove is provided on the surface of the assembly disk, the end of the second transmission roller close to the steering wheel body is fixedly connected to the fixing seat, and the fixing seat is slidably connected to the inner wall of the assembly groove.

[0006] Preferably, the first transmission roller is rotatably connected to the inner wall of the sleeve, an adjustment window is provided on one side of the outer shell, and the conical surface of the driven bevel gear is close to the steering wheel body.

[0007] Preferably, the connecting bevel gears on both sides are symmetrically distributed along the axis of the driven bevel gear, the connecting bevel gears are meshingly connected with the driven bevel gears, and the driving bevel gears are meshingly connected with the connecting bevel gears on both sides.

[0008] Preferably, rotating rollers are fixedly connected to the planes on both sides of the connecting bevel gear, a rotating bearing is sleeved on one end of the rotating roller away from the connecting bevel gear, the inner ring wall of the rotating bearing is fixedly connected to the rotating roller, and the outer ring wall of the rotating bearing is in contact with the inner wall of the outer shell and fixedly connected thereto.

[0009] Preferably, the driving bevel gear, the connecting bevel gear and the driven bevel gear are all disposed in the outer shell, and the second transmission roller coincides with the axis of the driving bevel gear.

[0010] Preferably, the second transmission roller is slidably connected to the inner wall of the assembly cylinder, the assembly cylinder is slidably connected to the external fixing member, and the assembly cylinder moves around the axis of the connecting bevel gear.

[0011] Preferably, a connecting seat is fixedly connected to one side of the moving plate, the connecting seat is slidably connected to the inner wall of the assembly tube, one end of the return spring is fixedly connected to the bottom of the inner cavity of the connecting tube, and the other end of the return spring is fixedly connected to the bottom of the inner cavity of the fixing groove.

[0012] Preferably, one end of the second transmission roller away from the support extends to the steering wheel body, and the fixing seat is slidably connected to the wall of the assembly groove.

[0013] Preferably, a plurality of evenly distributed bolts are installed around the assembly disk, the assembly disk is fixed to the steering wheel body by bolts, a connecting hole is opened in the middle of the assembly disk, and the second transmission roller is slidably connected to the inner wall of the connecting hole.

[0014] Preferably, a plurality of limit seats are fixedly connected to the bottom of the inner cavity of the assembly groove, and the plurality of limit seats are evenly distributed around the axis of the assembly groove. A plurality of limit slots matching the limit seats are formed on one side of the fixed seat close to the assembly groove.

[0015] Compared with the prior art, one or more of the above technical solutions have the following beneficial effects: the adjustable steering wheel body of the present invention realizes functions such as angle adjustment and stable transmission through design, the steering wheel body can rotate around the axis of the connecting bevel gear, and the assembly disk rotates synchronously with the steering wheel body. After the adjustment is completed, the fixed seat is loosened, and the reset spring pushes the connecting seat, the moving plate and the second transmission roller to allow the active bevel gear to re-engage with the connecting bevel gear. At the same time, the upper limit seat of the assembly disk cooperates with the limit groove of the fixed seat to ensure that the steering wheel body is fixed.

[0016] When the steering wheel body is turned, its rotation is transmitted to the active bevel gear through the second transmission roller, and then to the driven bevel gear through the connecting bevel gear, and finally drives the first transmission roller to rotate. The sleeve is rotatably connected to the first transmission roller, ensuring reliable transmission even if the steering wheel body and the support axis are not consistent. The bevel gear transmission system is exquisitely designed. Compared with the traditional simple connection method, it can accurately and stably transmit the steering wheel body rotation angle to the steering system, improve driving safety, and avoid steering problems caused by unstable transmission.

[0017] After adjustment, it is fixed by a return spring and a limit structure to prevent the steering wheel body angle from changing due to vibration during driving, ensuring stable and safe driving. It has a compact structure and a reasonable layout of components. Compared with the existing integrated adjustment design, it does not take up too much space in the car, ensuring the driver's operating and riding space. The angle can be adjusted according to the driver's own conditions and habits to improve comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the outer shell of the present invention; Figure 3 It is a schematic diagram of the control assembly and support assembly structure of the present invention; Figure 4 It is a schematic diagram of the control component structure of the present invention; Figure 5 It is a schematic diagram of the connection structure between the second transmission roller and the assembly cylinder of the present invention; Figure 6 It is a schematic diagram of the assembly structure of the steering wheel body and the fixing seat of the present invention; Figure 7 It is a schematic diagram of the connection structure between the fixing seat and the assembly disk of the present invention.

[0020] In the figure: 1. Steering wheel body; 101. Bolt; 2. Support; 201. First transmission roller; 202. Sleeve; 203. Outer shell; 204. Adjustment window; 3. Control assembly; 301. Driven bevel gear; 302. Connecting bevel gear; 303. Rotating roller; 304. Rotating bearing; 305. Active bevel gear; 306. Second transmission roller; 307. Assembly cylinder; 308. Moving plate; 309. Fixed groove; 310. Return spring; 311. Connecting cylinder; 312. Connecting seat; 313. Assembly disk; 314. Connecting hole; 315. Assembly groove; 316. Limit seat; 317. Fixed seat; 318. Limit groove. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0022] See also Figure 1-Figure 7The present invention provides an adjustable steering wheel, comprising a steering wheel body 1, a support 2 is arranged at the bottom of the steering wheel body 1, a control component 3 is installed on the support 2 and the steering wheel body 1, the steering wheel body 1 is connected to the support 2 through the control component 3, the support 2 comprises a first transmission roller 201 and a sleeve 202, the sleeve 202 is sleeved on the surface of the first transmission roller 201, the first transmission roller 201 is rotatably connected to the inner wall of the sleeve 202, an end of the sleeve 202 close to the steering wheel body 1 is fixedly connected to an outer shell 203, an adjustment window 204 is opened on one side of the outer shell 203, the control component 3 comprises a driven bevel gear 301, the plane of the driven bevel gear 301 is fixedly connected to the first transmission roller 201, the cone surface of the driven bevel gear 301 is close to the steering wheel body 1, connecting bevel gears 302 are arranged on both sides of the driven bevel gear 301, the connecting bevel gears 302 on both sides are symmetrically distributed along the axis of the driven bevel gear 301, and the connecting bevel gears 302 are meshed and connected with the driven bevel gear 301 Then, rotating rollers 303 are fixedly connected to the planes on both sides of the connecting bevel gear 302, and a rotating bearing 304 is sleeved on one end of the rotating roller 303 away from the connecting bevel gear 302. The inner ring wall of the rotating bearing 304 is fixedly connected to the rotating roller 303, and the outer ring wall of the rotating bearing 304 contacts and is fixedly connected to the inner wall of the outer shell 203. A driving bevel gear 305 is provided on the side of the connecting bevel gear 302 away from the driven bevel gear 301. The driving bevel gear 305 is meshed and connected with the connecting bevel gears 302 on both sides. The driving bevel gear 305, the connecting bevel gear 302 and the driven bevel gear 301 are all placed in the outer shell 203. A second transmission roller 306 is fixedly connected to the plane of the driving bevel gear 305 away from the connecting bevel gear 302. The second transmission roller 306 coincides with the axis of the driving bevel gear 305. The end of the second transmission roller 306 away from the support 2 extends to the steering wheel body 1, and the rotation of the steering wheel body 1 is transmitted to the driving bevel gear 305 through the second transmission roller 306. The meshing relationship between the active bevel gear 305 and the connecting bevel gears 302 on both sides transmits power to the connecting bevel gears 302. The connecting bevel gears 302 then transmit power to the driven bevel gears 301 meshing therewith, and the driven bevel gears 301 drive the first transmission roller 201 to rotate. Since the sleeve 202 is sleeved on the surface of the first transmission roller 201 and the two are rotatably connected, even if the axes of the steering wheel body 1 and the support 2 are not aligned, reliable power transmission can be guaranteed.

[0023] Furthermore, an assembly cylinder 307 is slidably sleeved on the surface of the second transmission roller 306, the second transmission roller 306 is slidably connected to the inner wall of the assembly cylinder 307, the assembly cylinder 307 is slidably connected to the external fixing part, and the assembly cylinder 307 moves around the axis of the connected bevel gear 302, and a moving plate 308 is sleeved on the surface of the second transmission roller 306, the moving plate 308 is placed in the assembly cylinder 307, one side of the moving plate 308 is fixedly connected to a connecting seat 312, the connecting seat 312 is slidably connected to the inner wall of the assembly cylinder 307, a fixing groove 309 is provided on the side of the connecting seat 312 close to the support 2, a return spring 310 is built in the fixing groove 309, the end of the return spring 310 away from the connecting seat 312 is sleeved with a connecting cylinder 311, the connecting cylinder 311 is fixedly connected to the side of the inner cavity of the assembly cylinder 307 away from the steering wheel body 1, one end of the return spring 310 is fixedly connected to the bottom of the inner cavity of the connecting cylinder 311, The other end of the spring 310 is fixedly connected to the bottom of the inner cavity of the fixing groove 309, and an assembly disk 313 is sleeved in the middle of the steering wheel body 1. A plurality of evenly distributed bolts 101 are installed around the assembly disk 313, and the assembly disk 313 is fixed to the steering wheel body 1 through the bolts 101. A connecting hole 314 is opened in the middle of the assembly disk 313, and the second transmission roller 306 is slidably connected to the inner wall of the connecting hole 314. An assembly groove 315 is opened on the surface of the assembly disk 313, and one end of the second transmission roller 306 close to the steering wheel body 1 is fixedly connected to a fixing seat 317, and the fixing seat 317 is slidably connected to the groove wall of the assembly groove 315. A plurality of limiting seats 316 are fixedly connected to the bottom of the inner cavity of the assembly groove 315, and the plurality of limiting seats 316 are evenly distributed around the axis of the assembly groove 315. A plurality of limiting grooves 318 matching the limiting seats 316 are opened on the side of the fixing seat 317 close to the assembly groove 315 to pull the fixing seat 317. This action will cause the second transmission roller 306 to slide along the inner wall of the assembly tube 307 away from the support 2. Because the fixed seat 317 is connected to the second transmission roller 306, and the fixed seat 317 slides in the assembly groove 315, this sliding will cause the active bevel gear 305 to be out of contact with the connecting bevel gear 302. At this time, the steering wheel body 1 can rotate freely around the axis of the connecting bevel gear 302 to achieve angle adjustment. During the rotation process, the assembly plate 313 will rotate synchronously with the steering wheel body 1 because it is firmly connected to the steering wheel body 1 through the bolt 101. After the angle adjustment is completed, the fixed seat 317 is released and the return spring 310 begins to work. One end of the return spring 310 is fixed to the bottom of the inner cavity of the connecting tube 311, and the other end is connected to the bottom of the inner cavity of the fixing groove 309 of the connecting seat 312. Driven by the elastic restoring force of the return spring 310, the connecting seat 312 will move toward the support 2, thereby driving the moving plate 308 and the second transmission roller 306 to slide toward the support 2. This enables the driving bevel gear 305 to mesh with the connecting bevel gear 302 again, thereby restoring the transmission connection.At the same time, multiple limit seats 316 evenly distributed around the axis fixed at the bottom of the inner cavity of the assembly groove 315 on the surface of the assembly disk 313 will cooperate with the limit groove 318 on the fixed seat 317. This cooperation ensures that the steering wheel body 1 and the fixed seat 317 are tightly fixed, prepares for the subsequent stable transmission, facilitates the subsequent transmission, and has better stability.

[0024] How it works In actual use, when the driver needs to adjust the angle of the steering wheel body 1, he pulls the fixing seat 317. This action causes the second transmission roller 306 to slide along its inner wall in the assembly tube 307 away from the support 2. Because the fixing seat 317 is connected to the second transmission roller 306, and the fixing seat 317 slides in the assembly groove 315, this sliding will cause the active bevel gear 305 to be out of contact with the connecting bevel gear 302. At this time, the steering wheel body 1 can rotate freely around the axis of the connecting bevel gear 302 to achieve angle adjustment. During the rotation process, the assembly disk 313 is firmly connected to the steering wheel body 1 through the bolt 101, so it will rotate synchronously with the steering wheel body 1. After the angle adjustment is completed, the fixing seat 317 is released, and the reset spring 310 begins to work. One end of the reset spring 310 is fixed to the bottom of the inner cavity of the connecting tube 311, and the other end is connected to the bottom of the inner cavity of the fixing groove 309 of the connecting seat 312. Driven by the elastic restoring force of the return spring 310, the connecting seat 312 will move toward the support 2, thereby driving the moving plate 308 and the second transmission roller 306 to slide toward the support 2. This allows the active bevel gear 305 to mesh with the connecting bevel gear 302 again, restoring the transmission connection. At the same time, the multiple limit seats 316 evenly distributed around the axis fixed at the bottom of the inner cavity of the assembly groove 315 on the surface of the assembly plate 313 will cooperate with the limit groove 318 on the fixed seat 317. This cooperation ensures that the steering wheel body 1 and the fixed seat 317 are tightly fixed, preparing for subsequent stable transmission.

[0025] When the steering wheel body 1 is rotated, the rotation of the steering wheel body 1 is transmitted to the active bevel gear 305 through the second transmission roller 306. The meshing relationship between the active bevel gear 305 and the connecting bevel gears 302 on both sides transmits power to the connecting bevel gears 302. The connecting bevel gear 302 then transmits power to the driven bevel gear 301 meshed therewith, and the driven bevel gear 301 drives the first transmission roller 201 to rotate. Since the sleeve 202 is sleeved on the surface of the first transmission roller 201 and the two are rotatably connected, even if the axes of the steering wheel body 1 and the support 2 are not aligned, reliable power transmission can be guaranteed.

[0026] Through the carefully designed bevel gear transmission system, including the active bevel gear 305, the connecting bevel gear 302 and the driven bevel gear 301, it is ensured that the rotation angle of the steering wheel body 1 can be accurately and stably transmitted to the support 2 and the vehicle steering system. Compared with some traditional simple connection methods, this design can still ensure stable transmission when the axes of the steering wheel body 1 and the support 2 are inconsistent, avoiding the problem of inaccurate steering caused by unstable transmission, and improving driving safety. After the angle adjustment of the steering wheel body 1 is completed, the return spring 310 drives the active bevel gear 305 to re-engage with the connecting bevel gear 302, and the cooperation of the limit seat 316 and the limit groove 318 provides a double fixing guarantee for the steering wheel body 1. Compared with some traditional adjustment devices, this effectively prevents the angle change of the steering wheel body 1 caused by vibration and other reasons during driving, ensures that the steering wheel body 1 always remains at the set angle during driving, and ensures the stability and safety of driving.

[0027] The adjustable steering wheel body 1 has a compact structure and reasonable layout of components. Compared with the existing integrated adjustment design of the steering wheel body 1 and the support 2, it does not take up too much space in the vehicle. This is very important for vehicles with limited space in the vehicle, as it can avoid crowding of the vehicle space due to the installation of the adjustment device, and ensure the driver's operating space and riding comfort. The adjustable steering wheel body 1 can adjust the angle according to the driver's height, body shape and driving habits, which greatly improves the driving comfort compared to the traditional integrated non-adjustable design of the steering wheel body 1 and the support 2. The driver can find the driving posture that suits him best and reduce the fatigue caused by long-term driving. Especially for long-distance driving, this personalized adjustment function is particularly important.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable steering wheel, characterized in that: The invention comprises a steering wheel body (1), a support (2) being arranged at the bottom of the steering wheel body (1), a control component (3) being installed on the support (2) and the steering wheel body (1), the steering wheel body (1) and the support (2) being connected via the control component (3), the support (2) comprising a first transmission roller (201) and a sleeve (202), the sleeve (202) being sleeved on the surface of the first transmission roller (201), an end of the sleeve (202) close to the steering wheel body (1) being fixedly connected to an outer shell (203), and the control component (3) The invention comprises a driven bevel gear (301), wherein the driven bevel gear (301) is fixedly connected to the first transmission roller (201) on a plane, connecting bevel gears (302) are arranged on both sides of the driven bevel gear (301), and a driving bevel gear (305) is arranged on a side of the connecting bevel gear (302) away from the driven bevel gear (301), the connecting bevel gear (302) is meshingly connected with the driven bevel gear (301), and the driving bevel gear (305) is meshingly connected with the connecting bevel gears (302) on both sides, and the driving bevel gear (305) is away from the connecting bevel gear (302). The plane of the bevel gear (302) is fixedly connected to a second transmission roller (306); a mounting tube (307) is slidably sleeved on the surface of the second transmission roller (306); a moving plate (308) is sleeved on the surface of the second transmission roller (306); the moving plate (308) is placed in the mounting tube (307); one side of the moving plate (308) is fixedly connected to a connecting seat (312); a fixing groove (309) is provided on a side of the connecting seat (312) close to the support (2); a return spring (310) is built into the fixing groove (309); The end of the return spring (310) away from the connecting seat (312) is sleeved with a connecting tube (311), the connecting tube (311) is fixedly connected to the side of the inner cavity of the assembly tube (307) away from the steering wheel body (1), the middle of the steering wheel body (1) is sleeved with an assembly disk (313), the surface of the assembly disk (313) is provided with an assembly groove (315), the end of the second transmission roller (306) close to the steering wheel body (1) is fixedly connected to the fixing seat (317), and the fixing seat (317) is slidably connected to the inner wall of the assembly groove (315).

2. The adjustable steering wheel according to claim 1, characterized in that: The first transmission roller (201) is rotatably connected to the inner wall of the sleeve (202), an adjustment window (204) is provided on one side of the outer shell (203), and the cone surface of the driven bevel gear (301) is close to the steering wheel body (1).

3. The adjustable steering wheel according to claim 1, characterized in that: The connecting bevel gears (302) on both sides are symmetrically distributed along the axis of the driven bevel gear (301).

4. The adjustable steering wheel according to claim 1, characterized in that: The planes on both sides of the connecting bevel gear (302) are fixedly connected to rotating rollers (303); one end of the rotating roller (303) away from the connecting bevel gear (302) is sleeved with a rotating bearing (304); the inner ring wall of the rotating bearing (304) is fixedly connected to the rotating roller (303); and the outer ring wall of the rotating bearing (304) is in contact with and fixedly connected to the inner wall of the outer shell (203).

5. The adjustable steering wheel according to claim 1, characterized in that: The driving bevel gear (305), the connecting bevel gear (302) and the driven bevel gear (301) are all disposed in the outer shell (203), and the second transmission roller (306) coincides with the axis of the driving bevel gear (305).

6. The adjustable steering wheel according to claim 1, characterized in that: The second transmission roller (306) is slidably connected to the inner wall of the assembly cylinder (307), the assembly cylinder (307) is slidably connected to an external fixing member, and the assembly cylinder (307) moves around the axis of the connected bevel gear (302).

7. The adjustable steering wheel according to claim 1, characterized in that: The connection seat (312) is slidably connected to the inner wall of the assembly cylinder (307), one end of the return spring (310) is fixedly connected to the bottom of the inner cavity of the connection cylinder (311), and the other end of the return spring (310) is fixedly connected to the bottom of the inner cavity of the fixing groove (309).

8. The adjustable steering wheel according to claim 1, characterized in that: One end of the second transmission roller (306) away from the support (2) extends to the steering wheel body (1), and the fixing seat (317) is slidably connected to the wall of the assembly groove (315).

9. The adjustable steering wheel according to claim 1, characterized in that: A plurality of evenly distributed bolts (101) are installed around the assembly disk (313); the assembly disk (313) is fixed to the steering wheel body (1) via the bolts (101); a connecting hole (314) is provided in the middle of the assembly disk (313); and the second transmission roller (306) is slidably connected to the inner wall of the connecting hole (314).

10. The adjustable steering wheel according to claim 1, characterized in that: A plurality of limit seats (316) are fixedly connected to the bottom of the inner cavity of the assembly groove (315), and the plurality of limit seats (316) are evenly distributed around the axis of the assembly groove (315). A plurality of limit slots (318) matching the limit seats (316) are formed on one side of the fixed seat (317) close to the assembly groove (315).

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