阅读说明：本技术 一种带自锁性能的角度示意方向盘 (Angle indicating steering wheel with self-locking performance ) 是由 张宏明 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种带自锁性能的角度示意方向盘,涉及车辆拨动控制技术领域。本发明包括方向盘主体,方向盘主体内部的底端搭载有触屏启动块,触屏启动块的一端固定有触摸式控制屏,触屏启动块的内部安装有一键启动模块及远程控制器。本发明通过推导自锁结构和齿轮传动自锁结构的配合设计,使得装置便于在熄火关闭后形成自动闭合的双重方向锁定,避免熄火后的方向盘被再次拨动,大大提高了装置整体的使用安全性及安保性能,且通过转动角度测定结构及传输数显模块的配合设计,使得装置在进行方向拨动的过程中,可以测得转动角度,帮助驾驶员辨别方向盘的转动信息,从而减少驾驶员的驾驶复杂性。(The invention discloses an angle indicating steering wheel with a self-locking performance, and relates to the technical field of vehicle poking control. The touch control device comprises a steering wheel main body, wherein a touch screen starting block is mounted at the bottom end inside the steering wheel main body, a touch control screen is fixed at one end of the touch screen starting block, and a one-key starting module and a remote controller are mounted inside the touch screen starting block. According to the invention, through the cooperation design of the derivation self-locking structure and the gear transmission self-locking structure, the device is convenient to form automatic closing double-direction locking after flameout and closing, the steering wheel after flameout is prevented from being shifted again, the use safety and the security performance of the whole device are greatly improved, and through the cooperation design of the rotation angle measuring structure and the transmission digital display module, the rotation angle can be measured during the direction shifting process of the device, so that a driver can be helped to distinguish the rotation information of the steering wheel, and the driving complexity of the driver is reduced.)

1. The utility model provides a take angle of auto-lock performance to indicate steering wheel, includes steering wheel main part (1), its characterized in that: a touch screen starting block (2) is mounted at the bottom end inside the steering wheel main body (1), a touch control screen is fixed at one end of the touch screen starting block (2), a one-key starting module and a remote controller are mounted inside the touch screen starting block (2), and the touch control screen and the remote controller are both electrically connected with the one-key starting module;

a transmission digital display module (3) is fixed at the top end of the interior of the steering wheel main body (1), a matching wireless receiving module, a processor and a digital display module are loaded in the transmission digital display module (3), and the matching wireless receiving module and the digital display module are electrically connected with the processor;

one end of the transmission digital display module (3) is spliced with a connecting convex block (4), one end of the connecting convex block (4) is fixed with a carrying column disc (5), one end of the carrying column disc (5) is fixed with a rotation transmission guide column (6), the peripheral side surface of the rotation transmission guide column (6) is fixed with a matching lock disc (7), two sides of the matching lock disc (7) are respectively provided with a self-locking anti-moving hole (9), the outer side of one end of the rotation transmission guide column (6) is connected with a conversion splicing block (8) through threads, one end of the rotation transmission guide column (6) is provided with a rotation angle measuring structure (36), and the rotation angle measuring structure (36) is positioned inside the conversion splicing block (8);

a derivation self-locking structure (18) and a gear transmission self-locking structure (27) are respectively fixed on two sides of the carrying column disc (5), the derivation self-locking structure (18) comprises a first assembly positioning lock plate (10), a first closed lock cover (11), a first small motor (12), a first cooperation control module (13), a positioning frame (14), a thread conduction rod (15), a limiting polish rod (16) and a derivation closed lock head (17), the outer side of the first assembly positioning lock plate (10) is fixed with the first closed lock cover (11) through screws, the upper end of one side of the first assembly positioning lock plate (10) is fixed with two positioning frames (14), the lower end of one side of the first assembly positioning lock plate (10) is fixed with the first cooperation control module (13), one side of the positioning frames (14) is fixed with the first small motor (12) through screws, the first small motor (12) is electrically connected with the first matching control module (13), the output end of the first small motor (12) is rotatably connected with a thread conducting rod (15), one end of the thread conducting rod (15) is rotatably connected with the other positioning frame (14), two limiting polished rods (16) are further fixed between the positioning frames (14) and the positioning frames (14), the limiting polished rods (16) are respectively positioned at the top end and the bottom end of the thread conducting rod (15), the outer sides of the thread conducting rod (15) and the limiting polished rods (16) are both movably connected with a derivation closing lock head (17), and the derivation closing lock head (17) is in threaded connection with the thread conducting rod (15);

the gear transmission self-locking structure (27) comprises a second assembling positioning locking plate (19), a second matching control module (20), a second closed locking cover (21), a second small motor (22), a reduction gear transmission group (23), a derivation carrying block (24), a closed rack locking head (25) and a carrying frame (26), wherein the outer side of the second assembling positioning locking plate (19) is fixed with the second closed locking cover (21) through screws, one side of the outer surface of the second assembling positioning locking plate (19) is fixed with the second matching control module (20), one side of the second assembling positioning locking plate (19) is fixed with the derivation carrying block (24), the other side of the outer surface of the second assembling positioning locking plate (19) is fixed with a plurality of carrying frames (26), and the bottom end of the carrying frame (26) close to one side of the second closed locking cover (21) is fixed with the second small motor (22), second small motor (22) and second cooperation control module (20) pass through electric connection, the output of second small motor (22) is fixed with the driving gear, one side meshing of driving gear is connected with reduction gear transmission group (23), one side meshing of reduction gear transmission group (23) is connected with closed rack lock head (25), just closed rack lock head (25) are sliding connection with deduction carrying block (24).

2. The angle indicating steering wheel with self-locking performance according to claim 1, wherein: the rotation angle measuring structure (36) comprises a sealing cover (28), an impeller (29), a torque conducting rod (30), a carrying bidirectional block (31), a permanent magnet piece (32), a Hall sensor (33), a wireless transceiver module (34) and an assembling shell (35), the torque transmission rod (30) penetrates through the impeller (29) and the sealing cover (28), the sealing cover (28) is connected with the assembling shell (35) in a clamping way, the impeller (29) is rotationally connected with the torque transmission rod (30), a plurality of permanent magnet pieces (32) are fixed on the peripheral side surface of the impeller (29), a carrying bidirectional block (31) is fixed on the inner surface of the assembly shell (35), one end of the carrying bidirectional block (31) is fixed with a Hall sensor (33), a wireless transceiver module (34) is fixed on the outer wall of the assembly shell (35), the Hall sensor (33) and the matching wireless receiving module are electrically connected with the wireless transceiving module (34).

3. The angle indicating steering wheel with self-locking performance according to claim 1, wherein: the top and the bottom of closed rack lock head (25) have all been seted up the cooperation sliding tray, it all is fixed with the direction slide rail to deduce the upper surface and the lower surface of carrying block (24), the direction slide rail is clearance fit with the cooperation sliding tray.

4. The angle indicating steering wheel with self-locking performance according to claim 1, wherein: the reduction gear transmission set (23) is composed of three groups of reduction gears, and each reduction gear is composed of a driven wheel, a matched reduction guiding wheel and a rotating mandrel.

5. The angle indicating steering wheel with self-locking performance according to claim 4, wherein: roller bearings are fixed at two ends of the rotating mandrel, and the reduction gear transmission group (23) and the carrying frame (26) are connected through the roller bearings.

6. The angle indicating steering wheel with self-locking performance according to claim 1, wherein: the remote controller is electrically connected with the first matching control module (13) and the second matching control module (20), and the type of the remote controller is KL 4-GPRS-RFVC.

7. The angle indicating steering wheel with self-locking performance according to claim 2, wherein: the model of the matching wireless receiving module is completely the same as that of the wireless transceiving module (34) to form a remote signal transmission structure, and the model of the wireless transceiving module (34) and the matching wireless receiving module is RFM300 LR.

8. The angle indicating steering wheel with self-locking performance according to claim 2, wherein: twelve partition blades are arranged on the peripheral side surface of the impeller (29), the included angle between every two partition blades is twenty degrees, and the outer side of each partition blade is magnetically connected with a permanent magnet piece (32).

9. The angle indicating steering wheel with self-locking performance according to claim 2, wherein: the assembling shell (35) is completely attached to the wireless transceiver module (34), and the assembling shell (35) and the wireless transceiver module (34) are fixed through screws.

10. The angle indicating steering wheel with self-locking performance according to claim 2, wherein: a matching lock hole is formed in one end of the rotation transmission guide column (6), and the matching lock hole and the rotation angle measuring structure (36) are connected with the matching lock hole through a flat key.

Technical Field

The invention relates to the technical field of vehicle poking control, in particular to an angle indicating steering wheel with a self-locking performance.

Background

The steering wheel is the essential device of vehicle driving, the gear system flexible operation that it introduced between driver and wheel, isolated the violent vibration that comes from the road well, and driving enjoyment has been improved, along with the development of science and technology, power-assisted steering wheel is fine more the fatigue degree when having reduced driving, however, current device lacks corresponding auto-lock protection architecture after driving the end, the steering wheel takes place the skew easily under unmanned situation when taking place special circumstances, safety and security performance are relatively poor, and often be not convenient for discern the turned angle and the rotation information of steering wheel in the use, driving complexity has been improved greatly.

SUMMARY OF THE PATENT FOR INVENTION

The invention aims to provide an angle indicating steering wheel with self-locking performance, which solves the existing problems that: the existing device lacks a corresponding self-locking protection structure after driving is finished, and the steering wheel is easy to deviate in an unmanned condition when special conditions occur, so that the safety and security performance are poor.

In order to achieve the purpose, the invention provides the following technical scheme: an angle-indicating steering wheel with self-locking performance comprises a steering wheel main body, wherein a touch screen starting block is mounted at the bottom end inside the steering wheel main body, a touch control screen is fixed at one end of the touch screen starting block, a one-key starting module and a remote controller are mounted inside the touch screen starting block, and the touch control screen and the remote controller are both electrically connected with the one-key starting module;

a transmission digital display module is fixed at the top end of the interior of the steering wheel main body, a matching wireless receiving module, a processor and a digital display module are carried in the transmission digital display module, and the matching wireless receiving module and the digital display module are electrically connected with the processor;

one end of the transmission digital display module is inserted with a connecting lug, one end of the connecting lug is fixed with a carrying column disc, one end of the carrying column disc is fixed with a rotation transmission guide column, the peripheral side surface of the rotation transmission guide column is fixed with a matching lock disc, two sides of the matching lock disc are both provided with self-locking anti-movement holes, the outer side of one end of the rotation transmission guide column is connected with a conversion insertion block through threads, one end of the rotation transmission guide column is provided with a rotation angle measuring structure, and the rotation angle measuring structure is positioned inside the conversion insertion block;

the two sides of the carrying column disc are respectively fixed with a derivation self-locking structure and a gear transmission self-locking structure, the derivation self-locking structure comprises a first assembly positioning lock plate, a first closed lock cover, a first small motor, a first cooperation control module, positioning frames, a thread conduction rod, a limiting polished rod and a derivation closed lock head, the outer side of the first assembly positioning lock plate is fixed with the first closed lock cover through screws, the upper end of one side of the first assembly positioning lock plate is fixed with two positioning frames, the lower end of one side of the first assembly positioning lock plate is fixed with the first cooperation control module, one side of one of the positioning frames is fixed with the first small motor through screws, the first small motor is electrically connected with the first cooperation control module, the output end of the first small motor is rotatably connected with the thread conduction rod, one end of the thread conduction rod is rotatably connected with the other positioning frame, two limiting polished rods are fixed between the positioning frame and the positioning frame, the limiting polished rods are respectively positioned at the top end and the bottom end of the thread conducting rod, the outer sides of the thread conducting rod and the limiting polished rods are movably connected with a derivation closing lock head, and the derivation closing lock head is connected with the thread conducting rod through threads;

the gear transmission self-locking structure comprises a second assembling positioning locking plate, a second matching control module, a second closed locking cover, a second small motor, a reduction gear transmission group, a derivation carrying block, a closed rack locking head and a carrying frame, wherein the second closed locking cover is fixed on the outer side of the second assembling positioning locking plate through screws, the second matching control module is fixed on one side of the outer surface of the second assembling positioning locking plate, the derivation carrying block is fixed on one side of the second assembling positioning locking plate, a plurality of carrying frames are fixed on the other side of the outer surface of the second assembling positioning locking plate, the second small motor is fixed at the bottom end of the carrying frame close to one side of the second closed locking cover, the second small motor is electrically connected with the second matching control module, a driving gear is fixed at the output end of the second small motor, and one side of the driving gear is in meshing connection with the reduction gear transmission group, one side of the reduction gear transmission group is engaged and connected with a closed rack lock head, and the closed rack lock head is in sliding connection with the derivation carrying block.

Preferably, turned angle survey structure includes closing cap, impeller, torque conduction pole, carries on two-way piece, permanent magnet piece, hall sensor, wireless transceiver module and assembly casing, the torque conduction pole runs through impeller and closing cap, the closing cap passes through the joint with the assembly casing and is connected, the impeller is connected for rotating with the torque conduction pole, the week side of impeller is fixed with a plurality of permanent magnet pieces, the internal fixed surface of assembly casing has carries on two-way piece, the one end of carrying on two-way piece is fixed with hall sensor, the outer wall of assembly casing is fixed with wireless transceiver module, hall sensor with cooperation wireless transceiver module all with wireless transceiver module electric connection.

Preferably, the top and the bottom of closed rack lock head have all been seted up the cooperation sliding tray, it all is fixed with the direction slide rail to deduce the upper surface and the lower surface of carrying the piece, the direction slide rail is clearance fit with the cooperation sliding tray.

Preferably, the reduction gear transmission set consists of three groups of reduction gears, and each reduction gear consists of a driven wheel, a matched reduction guiding wheel and a rotating mandrel.

Preferably, roller bearings are fixed at two ends of the rotating mandrel, and the reduction gear transmission set and the carrying frame are connected through the roller bearings.

Preferably, the remote controller is electrically connected with the first matching control module and the second matching control module, and the model of the remote controller is KL 4-GPRS-RFVC.

Preferably, the model of the wireless receiving module and the model of the wireless receiving module are completely the same, so as to form a remote signal transmission structure, and the model of the wireless receiving module are RFM300 LR.

Preferably, twelve partition blades are arranged on the peripheral side surface of the impeller, the included angle between every two partition blades is twenty degrees, and the outer side of each partition blade is magnetically connected with the permanent magnet piece.

Preferably, the assembling shell is completely attached to the wireless transceiver module, and the assembling shell is fixed to the wireless transceiver module through screws.

Preferably, a matching lock hole is formed in one end of the rotation transmission guide column, and the matching lock hole is connected with the rotation angle measuring structure and the matching lock hole through a flat key.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching design of the derivation self-locking structure and the gear transmission self-locking structure, the device is convenient to form automatic closing double-direction locking after flameout and closing, the steering wheel after flameout is prevented from being shifted again, and the use safety and the security performance of the whole device are greatly improved;

2. according to the invention, through the matching design of the rotation angle measuring structure and the transmission digital display module, the rotation angle can be measured in the process of carrying out direction shifting, so that a driver can be helped to distinguish the rotation information of the steering wheel, and the driving complexity of the driver is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention patent, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a side view of the present invention in its entirety;

FIG. 3 is an exploded view of the present invention as a whole;

FIG. 4 is a partial structural view of a derivation locking structure according to the present invention;

FIG. 5 is a partial structural schematic view of the gear transmission self-locking structure of the present invention;

fig. 6 is a partial structural view of the rotation angle measuring structure according to the present invention.

In the figure: 1. a steering wheel main body; 2. a touch screen start block; 3. a transmission digital display module; 4. a connection bump; 5. carrying a column tray; 6. rotating the transfer post; 7. matching with a lock disc; 8. converting the plugging block; 9. a self-locking anti-moving hole; 10. a first fitting positioning lock plate; 11. a first closure locking cap; 12. a first small motor; 13. a first coordinating control module; 14. a positioning frame; 15. a threaded conducting rod; 16. a limit polished rod; 17. deducing a closed lock head; 18. deducing a self-locking structure; 19. a second assembling positioning locking plate; 20. a second coordination control module; 21. a second closure locking cap; 22. a second small-sized motor; 23. a reduction gear transmission set; 24. deriving a piggyback block; 25. closing the rack lock head; 26. carrying a frame; 27. a gear transmission self-locking structure; 28. sealing the cover; 29. an impeller; 30. a torque conducting rod; 31. carrying a bidirectional block; 32. a permanent magnet piece; 33. a Hall sensor; 34. a wireless transceiver module; 35. assembling the shell; 36. rotation angle measurement structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an angle-indicating steering wheel with self-locking performance includes a steering wheel main body 1, a touch screen starting block 2 is mounted at the bottom end inside the steering wheel main body 1, a touch control screen is fixed at one end of the touch screen starting block 2, a one-key starting module and a remote controller are mounted inside the touch screen starting block 2, the touch control screen and the remote controller are both electrically connected with the one-key starting module, the remote controller is electrically connected with a first matching control module 13 and a second matching control module 20, and the type of the remote controller is KL4-GPRS-RFVC, so that remote one-key control is conveniently formed, and a better intelligent automatic use mode is achieved;

a transmission digital display module 3 is fixed at the top end inside the steering wheel main body 1, a matching wireless receiving module, a processor and a digital display module are loaded inside the transmission digital display module 3, the matching wireless receiving module and the digital display module are electrically connected with the processor, a rotation angle measuring structure 36 comprises a sealing cover 28, an impeller 29, a torque conducting rod 30, a loading bidirectional block 31, a permanent magnet piece 32, a Hall sensor 33, a wireless receiving and transmitting module 34 and an assembling shell 35, the torque conducting rod 30 penetrates through the impeller 29 and the sealing cover 28, a matching locking hole is formed inside one end of a rotation transmission guide post 6, the matching locking hole and the rotation angle measuring structure 36 are connected with the matching locking hole through a flat key, the sealing cover 28 is connected with the assembling shell 35 through clamping, the impeller 29 is rotatably connected with the torque conducting rod 30, a plurality of permanent magnet pieces 32 are fixed on the peripheral side surface of the impeller 29, the loading bidirectional block 31 is fixed on the inner surface of the, a hall sensor 33 is fixed at one end of the carrying bidirectional block 31, a wireless transceiver module 34 is fixed at the outer wall of the assembling shell 35, the hall sensor 33 and the matching wireless receiver module are both electrically connected with the wireless transceiver module 34, the matching wireless receiver module and the wireless transceiver module 34 have the same model to form a remote signal transmission structure, the model of the wireless transceiver module 34 and the matching wireless receiver module is RFM300LR, twelve partition blades are arranged on the peripheral side surface of the impeller 29, the included angle between each partition blade is twenty degrees, in other embodiments, the partition blades can be a plurality of uncertain numbers, the distance between each partition blade can be adjusted according to the number, in this embodiment, description is not performed one by one, and the outer side of each partition blade is magnetically connected with the permanent magnet piece 32, so as to form the transmission and digital display of the remote steering wheel main body 1 rotation angle data through matching connection, thereby facilitating driving;

one end of the transmission digital display module 3 is inserted with a connecting lug 4, one end of the connecting lug 4 is fixed with a carrying column disc 5, one end of the carrying column disc 5 is fixed with a rotation transmission guide post 6, the peripheral side surface of the rotation transmission guide post 6 is fixed with a matching lock disc 7, two sides of the matching lock disc 7 are both provided with self-locking anti-moving holes 9, the outer side of one end of the rotation transmission guide post 6 is connected with a conversion insertion block 8 through threads, one end of the rotation transmission guide post 6 is provided with a rotation angle measuring structure 36, and the rotation angle measuring structure 36 is positioned inside the conversion insertion block 8;

a derivation self-locking structure 18 and a gear transmission self-locking structure 27 are respectively fixed on two sides of the carrying column disk 5, the derivation self-locking structure 18 comprises a first assembly positioning locking plate 10, a first closed locking cover 11, a first small motor 12, a first cooperation control module 13, a positioning frame 14, a thread conduction rod 15, a limiting polished rod 16 and a derivation closed locking head 17, the outer side of the first assembly positioning locking plate 10 is fixed with the first closed locking cover 11 through screws, the upper end of one side of the first assembly positioning locking plate 10 is fixed with two positioning frames 14, the lower end of one side of the first assembly positioning locking plate 10 is fixed with the first cooperation control module 13, one side of one positioning frame 14 is fixed with the first small motor 12 through screws, the first small motor 12 is electrically connected with the first cooperation control module 13, the output end of the first small motor 12 is rotatably connected with the thread conduction rod 15, one end of the thread conduction rod 15 is rotatably connected with the other positioning frame 14, two limiting polished rods 16 are further fixed between the positioning frame 14 and the positioning frame 14, the limiting polished rods 16 are respectively positioned at the top end and the bottom end of the thread conducting rod 15, the outer sides of the thread conducting rod 15 and the limiting polished rods 16 are both movably connected with a derivation closing lock head 17, and the derivation closing lock head 17 is connected with the thread conducting rod 15 through threads;

the gear transmission self-locking structure 27 comprises a second assembling positioning locking plate 19, a second matching control module 20, a second closed locking cover 21, a second small motor 22, a reduction gear transmission group 23, a derivation carrying block 24, a closed rack lock 25 and a carrying frame 26, wherein the outer side of the second assembling positioning locking plate 19 is fixed with the second closed locking cover 21 through screws, one side of the outer surface of the second assembling positioning locking plate 19 is fixed with the second matching control module 20, one side of the second assembling positioning locking plate 19 is fixed with the derivation carrying block 24, the other side of the outer surface of the second assembling positioning locking plate 19 is fixed with a plurality of carrying frames 26, the bottom end of the carrying frame 26 close to one side of the second closed locking cover 21 is fixed with the second small motor 22, the second small motor 22 is electrically connected with the second matching control module 20, the output end of the second small motor 22 is fixed with a driving gear, one side of the driving gear is engaged and speed-reduced and connected with the gear transmission group 23, one side meshing of reduction gear transmission group 23 is connected with closed rack tapered end 25, and closed rack tapered end 25 is sliding connection with the derivation carrying block 24, the cooperation sliding tray has all been seted up to the top and the bottom of closed rack tapered end 25, the upper surface and the lower surface of derivation carrying block 24 all are fixed with the direction slide rail, the direction slide rail is clearance fit with the cooperation sliding tray, reduction gear transmission group 23 comprises three reduction gears of group, reduction gear is by following the driving wheel, the cooperation is slowed down and is derived the wheel and rotate the mandrel and constitute, the both ends of rotation mandrel all are fixed with roller bearing, reduction gear transmission group 23 all are connected through roller bearing with carrying frame 26, be convenient for form the automatic closure that the multiunit retards the promotion of torque, improve the performance of auto-lock.

The working principle is as follows: the whole device is started and stopped by touching a touch screen control screen at a touch screen starting block 2, a remote controller in the touch screen starting block 2 is used for controlling a first small motor 12 and a first matching control module 13 so as to enable a derivation self-locking structure 18 and a gear transmission self-locking structure 27 to be closed or opened simultaneously, when the derivation self-locking structure 18 is closed, the first small motor 12 is controlled to rotate by the first matching control module 13 to drive a thread conduction rod 15 to generate torque, the torque is transmitted and derived to the derivation closed locking head 17 through the matching connection of the thread conduction rod 15 and the derivation closed locking head 17, the torque forms derivation power under the matching limit of a limit polished rod 16, the derivation closed locking head 17 follows the parallel displacement derived by the limit polished rod 16 to form closing until the device is completely inserted and passed through a self-locking anti-moving hole 9, and the output steering direction of the first matching positioning locking plate 10 is opposite when the device is opened, when the gear transmission self-locking structure 27 is closed, the second small motor 22 is controlled to rotate through the second matching control module 20, the rotating speed is reduced through the driving gear electric reduction gear transmission group 23 at the output end of the second small motor 22, and therefore, the too fast collision during direct conduction is avoided, the reduction gear transmission group 23 is meshed with the closed rack lock 25 and is matched with the sliding connection of the closed rack lock 25 and the derivation carrying block 24, so that when the reduction gear transmission group 23 conducts torque to the closed rack lock 25, the closed rack lock 25 is pushed to displace in the derivation carrying block 24 until the closed rack lock passes through the self-locking anti-moving hole 9 to form a closed state; when the steering wheel is reset to the initial position, one partition blade at the impeller 29 is located at the hall sensor 33, the magnetic field between the permanent magnet pieces 32 on the partition blade and the hall sensor 33 is amplified and then is led out through the wireless transceiver module 34 to enter the transmission digital display module 3, a processor inside the transmission digital display module 3 processes the signal to obtain the corresponding initial count, the initial count is zero, the initial count is led into the digital display module to be displayed, when the steering wheel main body 1 rotates, the permanent magnet pieces 32 pass through the hall sensor 33 to form angle acquisition, and the rotation angle is displayed at the transmission digital display module 3 after the transmission of the wireless transceiver module 34 and the processing of the processor.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.