TWI385090B - The Construction of Multi - modal Fixed - axis Steering Wheel and Its Control Method - Google Patents

Description

Multi-mode fixed-axis steering wheel structure and control method thereof

The invention relates to a multi-mode fixed-axis steering wheel structure and a control method thereof, and the fixed-axis steering wheel has: a differential mold by converting a connection relationship between a conversion component and a frame, a center member and an operating member. State, that is, when the operating member rotates, the central member is fixed to the frame; second, the same moving mode, that is, the central member follows the operating member, and both of them are loosened to the frame; 3. The locking mode, that is, the operating member , central parts, and racks as one.

According to the conventional fixed-axis steering wheel mechanism, only the differential mode is adopted, that is, when the operating member rotates, the center member is fixed to the frame.

Please refer to FIG. 14 for a cross-sectional plan view of a conventional fixed-axis steering wheel, which is disclosed in US Pat. No. 6,892,605, wherein the central member (A2) is fixed to the frame (A1); The piece (A3) is loosened to the frame (A1); a first gear (A4) follows the operating member (A3); a first shaft (A5) passes through the frame (A1) and is movable relative to the frame (A1) performs a rotary motion; a second gear (A6) is provided on the first shaft (A5) and meshes with the first gear (A4). With the above configuration, when the operating member (A3) is rotated, the first gear (A4) is caused to move, and the first shaft (A4) and the second gear (A6) are meshed to drive the first shaft ( A5) rotation; among them, The center piece (A2) and the frame (A1) can remain fixed throughout the operation of the mechanism.

In addition, please refer to the fifteenth figure, which is a cross-sectional plan view of another conventional fixed-axis steering wheel, which is disclosed in the U.S. Patent No. 6,892,605, wherein the central part (B2) is fixed to the frame (B1). An operating member (B3) is loosened to the frame (B1); a first gear (B4) follows the operating member (B3); a first shaft (B5) passes through the frame (B1) and is relatively Rotating motion in the frame (B1); a second gear (B6) is provided on the first shaft (B5) and meshes with the first gear (B4); a second shaft (B7) passes through The frame (B1) is rotatable relative to the frame (B1); a third gear (B3) is provided on the second shaft (B7) and meshes with the second gear (B6). With the above configuration, when the operating member (B3) is rotated, the first gear (B4) is caused to move, and the first shaft (B4) and the second gear (B6) are meshed to drive the first shaft ( B5) rotation; wherein the central part (B2) and the frame (B1) can remain fixed throughout the operation of the mechanism.

The disadvantages of the previous case are as follows:

1. The steering wheel cannot be used by different driving habits.

2. There is only one kind of motion relationship between the operating part, the center piece and the frame.

In summary, the construction of the fixed-axis steering wheel mentioned in the previous case, although it is possible to achieve the fixation of the center piece and the frame The basic requirements, but in the use and additional function value, there are many shortcomings and deficiencies, unable to play a more diverse and innovative new features.

Due to the above-mentioned lack of shaft and steering wheel, there are some shortcomings and shortcomings. Based on the future trend of industrial progress, it is necessary to propose specific improvement plans to meet the needs of industrial progress and further provide more technical expertise in the industry. select.

The invention solves the problem that the conventional technology cannot adapt to the habits of different operators, and the operating parts have various modes to achieve the functions that should be possessed, and the requirements of the innovative functional design.

The present invention is a multi-modal fixed-axis steering wheel construction comprising: a frame having a centerline and having at least one frame recess extending from the surface of the frame to the interior.

An operating member coaxial with the centerline and loosened to the frame and having at least one operating member recess extending from the surface of the operating member toward the interior.

a central member coaxial with the centerline and loosened to the frame or the operating member, the central member having at least one recess extending from the surface of the central member toward the interior, and the central member recess is centrally located Piece Adjacent to the side of the groove groove surface of the frame on the frame, and the center piece groove has a center piece groove center line, the center piece groove center line is the geometric center of the center piece groove groove surface, and the operating piece Rotating the frame to a specific position, the geometric center of the groove groove surface of the frame is coaxial with the center line of the center piece groove, and the geometric center of the groove surface of the operating member is also coaxial with the center line of the center piece groove.

At least one conversion element is movable between the frame recess, the operating member recess, and the central member recess.

Wherein, by changing the position of the component, the adjacency relationship between the above components can be changed to produce different modal results, including:

1. Differential mode: When the conversion component is located between the groove of the frame and the groove of the central part, the central part is fixed to the frame, and the operating member can be rotated.

2. Synchronous mode: When the conversion component is located between the groove of the operating member and the groove of the central member, the central member is fixed to the operating member, and the operating member can be rotated.

3. Locking mode 1: When the conversion component is located between the groove of the frame, the groove of the operating member, and the groove of the central member, the operating member and the frame are visible as one body, that is, the operating member cannot be rotated.

4. Locking mode 2: When a conversion component is located between the groove of the frame and the groove of the operating member, and another conversion component is located between the operating member and the groove of the central member, the operating member and the frame can be regarded as Integral, that is, the operating member cannot be rotated.

The invention also relates to a method for controlling a multi-modal fixed-axis steering wheel, which mainly comprises the steering wheel comprising a fixed frame, an operating member that can be loosened to the frame, and a central piece that is loosened to the frame or the operating member. And one or more conversion elements, wherein the frame, the operating member and the central member are configured in a coaxial type, the frame and the central member are coupled by a single conversion element, the central member is fixed to the frame, and the operating member is rotatable; The single conversion element couples the operating member and the central member to fix the central member and the operating member, and the operating member can be rotated; the single conversion member is used to join the frame, the operating member and the central member, so that the operating member and the frame are integrated, and the operating member is The rotation of the frame and the operating member is performed by a conversion element, and the other conversion element is coupled to the operating member and the central member, so that the operating member is integrated with the frame, and the operating member cannot be rotated.

The connection between the above-mentioned conversion element and the frame, the operating member and the central member is a contact type connection.

The above-mentioned contact type means that the conversion element protrudes into the joint object thereof.

The contact type coupling described above refers to the conversion element rubbing its joint object.

The connection between the above-mentioned conversion element and the frame, the operating member and the central member is a non-contact connection.

The above non-contact type means that the conversion element exerts a magnetic force on the object to which it is attached.

The advantages of the invention are:

1. With three modes of conversion, the operating characteristics have multiple function options.

2. With the choice of differential and synchronous mode, it can respond to the habits of different users.

3. With locking mode, the operating member can not be rotated, and has the security function of anti-theft.

4. It can be used in a wide range of applications, from steering wheel to industrial machinery or toys or teaching aids.

Please refer to the first and second figures, respectively, showing an overall cross-sectional view and a partial cross-sectional view of a multi-modal fixed-axis steering wheel according to an embodiment of the present invention, wherein a multi-modal fixed-axis steering wheel structure includes: The frame (1) has a centerline (101) and has at least one frame recess (111) extending from the surface of the frame (1) to the inside.

An operating member (2) coaxial with the center line (101) and loosened to the frame (1), and having at least one operating member recess (211), the operating member recess (211) being operated by the operating member (2) The extension of the surface to the inside.

a central piece (3) coaxial with the centerline (101) and loosened a frame (1) or an operating member (2) and having at least one central member recess (311), and the central member recess (311) extends from the surface of the central member (3) to the inside, and the central member recess (311) is located on the side of the central member (3) adjacent to the groove surface of the frame groove (111) of the frame (1), and the central member groove (311) has a center piece groove center line (301). The center piece groove center line (301) is the geometric center of the center piece groove (311) groove surface, and the operating piece (2) is rotated to the frame (1) to a specific position, the frame groove (111) The geometric center of the groove surface is coaxial with the center piece groove center line (301), and the geometric center of the groove surface of the operating member groove (211) is also coaxial with the center piece groove center line (301).

At least one conversion element (4) is movable between the frame recess (111), the operating member recess (211) and the central member recess (311).

A first gear (10) follows the operating member (2).

A first shaft (11) passes through the frame (1) and is rotatable relative to the frame (1).

A second gear (12) is provided on the first shaft (11) and meshes with the first gear (10).

When the operating member (2) is rotated, the first gear (10) will be driven, and the first shaft (11) will follow the meshing relationship between the first gear (10) and the second gear (12). The second gear (12) rotates relative to the frame (1).

Please refer to the third and fourth figures, respectively, which are an implementation of the present invention. Example of a multi-modal fixed-axis steering wheel (1) groove design (1), (2) cross-sectional view, wherein the relationship between the center line (101) and the center piece groove center line (301) is parallel, It can also be vertical or inclined, or even spatially skewed.

Referring to FIG. 5, a cross-sectional view of a multi-modal fixed-axis steering wheel (1) differential mode according to an embodiment of the present invention, wherein the conversion element (4) is located in the frame recess (111) and the central part groove (311) to connect the center piece (3) to the frame (1); at this time, the operating member (2) can be rotated, and the center piece (3) is fixed to the frame (1).

6 is a cross-sectional view of a multi-modal fixed-axis steering wheel (1) in the same dynamic mode according to an embodiment of the present invention, wherein the conversion member (4) is located in the operating member groove (211) and the central member groove (311) to connect the center member (3) and the operating member (2); at this time, the operating member (2) can be rotated, and the center member (3) follows the operating member (2).

Please refer to the seventh figure, which is a cross-sectional view of a multi-modal fixed-axis steering wheel (1) locking mode (1) according to an embodiment of the present invention, wherein the conversion element (4) is located in the frame groove (111), and operates. Between the recess (211) and the central recess (311), the central member (3), the operating member (2), and the frame (1) are connected; at this time, the operating member (2) cannot be rotated.

Referring to FIG. 8 , a cross-sectional view of a multi-modal fixed-axis steering wheel (1) locking mode (2) according to an embodiment of the present invention, wherein a conversion component (4) is located in a frame recess (111) and Operating part groove (211) In addition, a conversion element (4) is located between the operating member recess (211) and the central member recess (311) for connecting the central member (3), the operating member (2), and the frame (1); The operating member (2) cannot be rotated.

Please refer to the ninth embodiment, which is an overall cross-sectional view of a multi-modal fixed-axis steering wheel (2) according to an embodiment of the present invention. The basic structure is the same as that of the multi-modal fixed-axis steering wheel (1) of the embodiment, and is added:

A second shaft (13) passes through the frame (1) and is rotatable relative to the frame (1).

A third gear (14) is provided on the second shaft (13) and meshes with the second gear (12).

Therefore, when the operating member (2) is rotated, the first gear (10) will be driven, and the first shaft (11) will follow the meshing relationship between the first gear (10) and the second gear (12). The second gear (12) rotates relative to the frame (1), and because of the meshing relationship between the second gear (12) and the third gear (14), the second shaft (13) will follow the third gear ( 14) Rotate relative to the frame (1).

Similarly, in the same manner as the multi-modal fixed-axis steering wheel (1) of the embodiment, the conversion member (4) is in the frame recess (111), the operating member recess (211), and the central member recess (311). The movement between the operating member (2), the central member (3), and the frame (1) will have a transition between the differential, the same, and the locked mode.

Please refer to the tenth figure, which is a multi-modal setting according to an embodiment of the present invention. The axial steering wheel (three) is an overall sectional view, wherein a multi-modal fixed-axis steering wheel structure comprises: a frame (1) having at least one frame groove (111) and a frame groove (111) ) extending from the surface of the frame (1) to the interior, and the frame recess (111) has a rack groove center line (102), and the rack groove center line (102) is a rack groove ( 111) The geometric center of the groove surface.

An operating member (2) is loosened to the frame (1) and has at least one operating member recess (211), and the operating member recess (211) extends from the surface of the operating member (2) to the inside, and The operating member groove (211) is located on the side of the operating member (2) adjacent to the groove surface of the frame groove (111) of the frame (1), and the operating member (2) is rotated to the frame (1) to one In a specific position, the geometric center of the groove surface of the operating member groove (211) is coaxial with the center line (102) of the frame groove.

At least one conversion element (4) is movable between the frame recess (111) and the operating member recess (211) by rotating the operating member (2) to the frame (1) to a specific position.

A first gear (10) follows the operating member (2).

A first shaft (11) passes through the frame (1) and is rotatable relative to the frame (1).

A second gear (12) is provided on the first shaft (11) and meshes with the first gear (10).

A second shaft (13) passes through the frame (1) and is rotatable relative to the frame (1).

A third gear (14) is provided on the second shaft (13) and meshes with the second gear (12).

Therefore, when the operating member (2) is rotated, the first gear (10) will be driven, and the first shaft (11) will follow the meshing relationship between the first gear (10) and the second gear (12). The second gear (12) rotates relative to the frame (1), and because of the meshing relationship between the second gear (12) and the third gear (14), the second shaft (13) will follow the third gear ( 14) Rotate relative to the frame (1).

Referring to FIG. 11 , a cross-sectional view of a multi-modal fixed-axis steering wheel (3) differential mode (1) according to an embodiment of the present invention, wherein the conversion element (4) is only located in the frame recess (111) At this time, the operating member (2) can be rotated.

Referring to FIG. 12, a cross-sectional view of a multi-modal fixed-axis steering wheel (3) differential mode (2) according to an embodiment of the present invention, wherein the conversion element (4) is located only in the operating member groove (211) At this time, the operating member (2) can be rotated.

Referring to a thirteenth aspect, a cross-sectional view of a multi-modal fixed-axis steering wheel (3) locking mode according to an embodiment of the present invention, wherein the conversion element (4) is located in the frame recess (111) and the operating member is concave Between the slots (211) to connect the operating member (2) with the frame (1); at this time, the operating member (2) Unable to rotate.

In addition, the present invention provides a method for controlling a multi-modal fixed-axis steering wheel, mainly comprising the steering wheel including a fixed frame, an operating member that can be loosened to the frame, and a center that is loosened to the frame or the operating member. And a plurality of conversion elements, wherein the frame, the operating member and the central member are configured in a coaxial type, the frame and the central member are coupled by a single conversion element, the central member is fixed to the frame, and the operating member is rotatable; The operating member and the central member are coupled by a single conversion element, the central member and the operating member are fixed, and the operating member is rotatable; the frame, the operating member and the central member are coupled by a single conversion element, so that the operating member and the frame are integrated, and the operation is performed. The piece cannot be rotated; the frame and the operating member are coupled by a conversion element, and the other converting element is coupled to the operating piece and the center piece, so that the operating member is integrated with the frame, and the operating member cannot be rotated.

The connection between the above-mentioned conversion element and the frame, the operating member and the central member is a contact type connection.

The above-mentioned contact type coupling means that the conversion element protrudes into the joint object thereof.

The above-described contact type coupling means that the conversion element rubs the object to which it is attached.

The connection between the above-mentioned conversion element and the frame, the operating member, and the center member is a non-contact connection, and the non-contact connection means that the conversion element exerts a magnetic force on the connection object thereof.

In summary, the present invention is directed to a multi-modal innovative technology application for a fixed-axis steering wheel construction, particularly by a groove on a shifting member, a groove in a frame, or a groove between the center members. Move to change the connection relationship between the operating member, the frame, or the center member, and achieve the result that the fixed-axis steering wheel has a multi-modal differential mode, a locked mode, or a co-moving mode, which is The most specific improvement of the fixed-axis steering wheel.

(1)‧‧‧Rack

(101)‧‧‧ center line

(102)‧‧‧Rack groove centerline

(111)‧‧‧Rack groove

(2) ‧‧‧Operating parts

(211)‧‧‧Operational groove

(3) ‧‧‧Central Pieces

(301) ‧‧‧Center piece groove centerline

(311)‧‧‧Central part groove

(4) ‧‧‧ Conversion components

(10) ‧‧‧First gear

(11) ‧‧‧first axis

(12) ‧‧‧second gear

(13)‧‧‧second axis

(14)‧‧‧ Third gear

(A1)‧‧‧Rack

(A2) ‧‧‧Central Pieces

(A3)‧‧‧Operating parts

(A4) ‧‧‧First gear

(A5) ‧ ‧ first axis

(A6) ‧‧‧second gear

(B1)‧‧‧Rack

(B2) ‧‧‧Central Pieces

(B3)‧‧‧Operating parts

(B4) ‧‧‧First gear

(B5) ‧‧‧first axis

(B6) ‧‧‧second gear

(B7) ‧‧‧Second axis

(B8) ‧‧‧ Third gear

First: A cross-sectional view of a multi-modal fixed-axis steering wheel (1) according to an embodiment of the present invention.

Second Figure: A partial cross-sectional view of a multi-modal fixed-axis steering wheel (a) according to an embodiment of the present invention.

Third: A cross-sectional view of a groove design (1) of a multi-modal fixed-axis steering wheel (1) according to an embodiment of the present invention.

Fourth: A cross-sectional view of a groove design (2) of a multi-modal fixed-axis steering wheel (1) according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view showing a differential mode of a multi-modal fixed-axis steering wheel according to an embodiment of the present invention.

Figure 6 is a cross-sectional view showing the multi-modal fixed-axis steering wheel (1) of the same dynamic mode according to an embodiment of the present invention.

Figure 7 is a multi-modal fixed-axis steering wheel (1) according to an embodiment of the present invention A cross-sectional view of the locked mode (1).

Figure 8 is a cross-sectional view showing a multi-modal fixed-axis steering wheel (a) locking mode (2) according to an embodiment of the present invention.

Ninth view: an overall cross-sectional view of a multi-modal fixed-axis steering wheel (2) according to an embodiment of the present invention.

Fig. 10 is a cross-sectional view showing the multi-modal fixed-axis steering wheel (3) according to an embodiment of the present invention.

Eleventh Embodiment: A cross-sectional view of a multi-modal fixed-axis steering wheel (3) differential mode (1) according to an embodiment of the present invention.

Twelfth Figure: A cross-sectional view of a multi-modal fixed-axis steering wheel (3) differential mode (2) according to an embodiment of the present invention.

Thirteenth Embodiment: A cross-sectional view of a multi-modal fixed-axis steering wheel (3) locking mode according to an embodiment of the present invention.

Figure 14: A cross-sectional view of a conventional fixed-axis steering wheel (1).

Figure 15: A cross-sectional view of a conventional fixed-axis steering wheel (2).

(1)‧‧‧Rack

(101)‧‧‧ center line

(102)‧‧‧Rack groove centerline

(111)‧‧‧Rack groove

(2) ‧‧‧Operating parts

(211)‧‧‧Operational groove

(3) ‧‧‧Central Pieces

(301) ‧‧‧Center piece groove centerline

(311)‧‧‧Central part groove

(4) ‧‧‧ Conversion components

(10) ‧‧‧First gear

(11) ‧‧‧first axis

(12) ‧‧‧second gear

Claims (27)

A multi-modal fixed-axis steering wheel structure includes: a frame having a first center line and having at least one first groove extending from the surface of the frame to the inside; Cooperating with the first centerline and loosening to the frame, and having at least one second groove extending from the surface of the operating member to the inside; a central member and the first centerline Coaxially, and loosened to the operating member, and having at least one third groove, and the third groove extends from the surface of the center member to the inside, and the third groove is located on the center member adjacent to the frame first a side of the groove groove surface, and the third groove has a second center line, the second center line is a geometric center of the third groove groove surface, and the center piece is rotated to the frame to a specific position, first The geometric center of the groove groove surface is coaxial with the second center line, and the geometric center of the second groove groove surface is coaxial with the second center line; at least one conversion element is available in the first groove, the second groove, and The third groove moves between. The multi-modal fixed-axis steering wheel structure according to claim 1, wherein a first gear follows the operating member; a first shaft passes through the frame and is rotatable relative to the frame Movement; a second gear is provided on the first shaft and engages with the first gear. Multi-modal fixed-axis type as described in item 2 of the patent application scope A steering wheel structure, wherein a second shaft passes through the frame and is rotatable relative to the frame, and a third gear is sequentially disposed above the second shaft and meshes with the second gear. The multi-modal fixed-axis steering wheel structure according to claim 1, wherein the conversion element is located between the first and third grooves, and the center member and the machine The frame is fixed and the operating member can be rotated. The multi-modal fixed-axis steering wheel structure according to claim 1, wherein the conversion member is located between the second and third grooves, and the center member and the operation The piece is fixed and the operating piece can be rotated. The multi-modal fixed-axis steering wheel structure according to claim 1, wherein the conversion element is located between the first, second, and third grooves, The operating member is visible to the frame, ie the operating member cannot be rotated. The multi-modal fixed-axis steering wheel structure according to claim 1, wherein the conversion element is located between the first and second grooves, and has another The conversion element is located between the second and third grooves, and the operating member is visible integrally with the frame, that is, the operating member cannot be rotated. A multi-modal fixed-axis steering wheel structure includes: a frame having a first center line and having at least one first groove extending from the surface of the frame to the inside; An operating member coaxial with the first centerline and loosened to the frame, and having at least one second groove extending from the surface of the operating member to the inside; a central member, and the first The centerline is coaxial and loosened to the frame and has at least one third recess, and the third recess extends from the surface of the central member to the interior, and the third recess is located on the central member adjacent to the frame a side of the first groove groove surface, and the third groove has a second center line, the second center line is a geometric center of the third groove groove surface, and the central member is rotated to the frame to a specific position, The geometric center of the first groove groove surface is coaxial with the second center line, and the geometric center of the second groove groove surface is coaxial with the second center line; at least one conversion element is available in the first groove and the second groove And moving between the third grooves. The multi-modal fixed-axis steering wheel structure according to claim 8, wherein a first gear follows the operating member; a first shaft passes through the frame and is rotatable relative to the frame Movement; a second gear is provided on the first shaft and engages with the first gear. The multi-modal fixed-axis steering wheel structure according to claim 9, wherein a second shaft passes through the frame and is rotatable relative to the frame, and a third gear is provided in the following manner. Above the second shaft and meshing with the second gear. If the scope of patent application is item 7, or item 8, or ninth The multi-modal fixed-axis steering wheel configuration of the present invention, wherein when the conversion member is positioned between the first and third grooves, the center member is fixed to the frame, and the operating member is rotatable. The multi-modal fixed-axis steering wheel structure according to claim 7, wherein the conversion member is located between the second and third grooves, and the center member and the operation The piece is fixed and the operating piece can be rotated. The multi-modal fixed-axis steering wheel structure according to claim 7, wherein the conversion element is located between the first, second, and third grooves, The operating member is visible to the frame, ie the operating member cannot be rotated. The multi-modal fixed-axis steering wheel structure according to claim 7, wherein the conversion element is located between the first and second grooves and has another The conversion element is located between the second and third grooves, and the operating member is visible integrally with the frame, that is, the operating member cannot be rotated. A multi-modal fixed-axis steering wheel structure includes: a frame having at least one first groove, wherein the first groove extends from the surface of the frame to the inside, and the first groove has a first center a line, and the first center line is a geometric center of the first groove groove surface; an operating member is loosened to the frame and has at least one second groove, and the second groove is from the surface of the operating member to the inside Extending, and the second groove is located on the operating member adjacent to the first groove groove surface of the frame a side, wherein the geometric center of the second groove groove surface is coaxial with the first center line when the operating member is rotated to the frame to a specific position; at least one conversion element is rotatable to the frame to a specific position Moving between the first and second grooves; a first gear that follows the operating member; a first shaft that passes through the frame and is rotatable relative to the frame; a second gear that follows The ground is disposed above the first shaft and meshes with the first gear. The multi-modal fixed-axis steering wheel structure according to claim 15, wherein a second shaft passes through the frame and is rotatable relative to the frame, and a third gear is provided in the following manner. Above the second shaft and meshing with the second gear. The multi-modal fixed-axis steering wheel configuration of claim 15, wherein the operating member is rotatable when the conversion member is only positioned in the first recess. The multi-modal fixed-axis steering wheel configuration of claim 15 or claim 16, wherein the operating member is rotatable when the conversion member is only positioned in the second recess. The multi-modal fixed-axis steering wheel structure according to claim 15 or claim 16, wherein when at least one of the conversion elements is located between the first and second grooves, the operating member and the frame are regarded as Integral, that is, the operating member cannot be rotated. A method for controlling a multi-modal fixed-axis steering wheel mainly comprises: the steering wheel comprises a fixed frame, an operating member that can be loosened to the frame, a central piece that is loosened to the frame or the operating member, and at least one conversion The component, wherein the frame, the operating member and the central member are configured in a coaxial configuration, and by adjusting the conversion member, the following mode transition is achieved: (a) coupling the conversion member to the chassis and the center member, thereby enabling The operating member is independently rotatable relative to the central member and the frame; (b) the conversion member is coupled to the operating member and the central member such that the operating member and the central member are rotatable relative to the frame. A method for controlling a multi-modal fixed-axis steering wheel mainly comprises: the steering wheel comprises a fixed frame, an operating member that can be loosened to the frame, a central piece that is loosened to the frame or the operating member, and at least one conversion The component, wherein the frame, the operating member and the central member are configured in a coaxial configuration, and by adjusting the conversion member, the following mode transition is achieved: (a) coupling the conversion member to the chassis and the center member, thereby enabling The operating member is independently rotatable relative to the center member and the frame; (b) the conversion member is coupled to the frame, the center member and the operating member such that the operating member is integral with the frame and cannot be rotated. A method for controlling a multi-modal fixed-axis steering wheel mainly comprises: the steering wheel comprises a fixed frame, and the steering wheel is rotatable to the frame An operating member, a central member loosened to the frame or the operating member, and at least two conversion elements, wherein the frame, the operating member and the central member are configured in a coaxial manner, and by adjusting the conversion member, the following is achieved Modal conversion: (a) coupling the conversion element to the frame and the center member, and allowing the operating member to independently rotate relative to the center member and the frame; (b) coupling a conversion member to the center member and the center member, and The other conversion member couples the center member and the operating member, so that the operating member is integrated with the frame and cannot be rotated. A method of controlling a multi-modal fixed-axis steering wheel according to claim 20, 21 or 22, wherein the coupling between the conversion member and the frame, the operating member, and the center member is a contact type. A method of controlling a multi-modal fixed-axis steering wheel according to claim 23, wherein the contact type means that the conversion element projects into the joint object. A method of controlling a multi-modal fixed-axis steering wheel according to claim 23, wherein the contact type means that the conversion element rubs the joint object thereof. A method of controlling a multi-modal fixed-axis steering wheel according to claim 20, 21 or 22, wherein the coupling between the conversion member and the frame, the operating member, and the center member is a non-contact coupling. Control multi-mode determination as described in claim 26 A method of a shaft steering wheel, wherein the non-contact coupling means that the conversion element exerts a magnetic force on its connecting object.