CN115675277A

CN115675277A - Pressing and sounding mechanism, steering wheel and vehicle

Info

Publication number: CN115675277A
Application number: CN202211472059.1A
Authority: CN
Inventors: 陈宠; 孙东睿; 韩冰; 张明远; 白雨萍; 肖瑶; 王超
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-02-03

Abstract

The invention discloses a ringing mechanism and a steering wheel, belonging to the technical field of vehicles, wherein the ringing mechanism comprises a steering wheel connecting seat, an air bag connecting seat, an adjusting component, a lever component and an elastic resetting component, wherein the steering wheel connecting seat is provided with a horn slot and a through hole penetrating through the upper side and the lower side of the horn slot; the air bag connecting seat is arranged above the steering wheel connecting seat, and the surface of the air bag connecting seat facing the steering wheel connecting seat is provided with a pressing convex part extending into the horn groove; the adjusting component comprises a lifting disc and a transmission piece, the lifting disc is arranged between the steering wheel connecting seat and the air bag connecting seat, and the transmission piece penetrates through the through hole and is connected to the lifting disc; the lever assembly comprises a supporting rod with one end rotatably connected to the air bag connecting seat and a lever with the middle part rotatably connected to the other end of the supporting rod, one end of the lever is rotatably connected to the lifting disc, and the other end of the lever is clamped to the air bag connecting seat; the elastic reset piece is propped tightly between the steering wheel connecting seat and the air bag connecting seat. The invention can adjust the ringing stroke of the ringing loudspeaker according to the requirement, and is convenient for users to use.

Description

Press and sound mechanism, steering wheel and vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a sounding mechanism, a steering wheel and a vehicle.

Background

Most vehicles have a steering wheel with a driver airbag, which is primarily designed to rapidly inflate in the event of a vehicle collision to prevent injury from a driver impacting the steering wheel directly. And, another important function of the driver airbag is to provide a horn sounding function in an emergency.

Among the prior art, driver air bag sliding connection is on the steering wheel seat, and is equipped with the spring between driver air bag and the steering wheel seat, and the surface of steering wheel seat towards driver air bag is equipped with loudspeaker, presses driver air bag and can rings loudspeaker. The performance of the spring directly influences the pressing hand feeling of the horn, the spring is brought when the vehicle leaves a factory, different users have different requirements on the sensitivity of the horn when using the horn, and if a female user needs the horn with higher sensitivity due to limited strength, the required pressing stroke is shorter. And after leaving factory, the steering wheel in the prior art is fixed according to the ringing stroke, cannot be adjusted according to needs and is inconvenient for users to use.

Therefore, a click mechanism and a steering wheel capable of adjusting click stroke are needed.

Disclosure of Invention

The invention aims to provide a ringing mechanism, a steering wheel and a vehicle, which can adjust the ringing stroke of a ringing horn according to requirements and are convenient for users to use.

As the conception, the technical scheme adopted by the invention is as follows:

the mechanism of sounding includes:

the steering wheel connecting seat is provided with a horn groove and a through hole penetrating through the upper side and the lower side of the horn groove, and the horn groove is used for placing a horn;

the air bag connecting seat is arranged above the steering wheel connecting seat, and a pressing convex part extending into the horn groove is arranged on the surface of the air bag connecting seat facing the steering wheel connecting seat;

the adjusting assembly comprises a lifting disc and a transmission piece for driving the lifting disc to lift, the lifting disc is arranged between the steering wheel connecting seat and the air bag connecting seat, and the transmission piece penetrates through the through hole and is connected to the lifting disc;

the lever assembly comprises a supporting rod with one end rotatably connected to the air bag connecting seat and a lever with the middle rotatably connected to the other end of the supporting rod, one end of the lever is rotatably connected to the lifting disc, and the other end of the lever is clamped in the air bag connecting seat;

and the elastic resetting piece is abutted and tightly propped between the steering wheel connecting seat and the air bag connecting seat.

Optionally, the airbag connecting seat includes a seat body having an inner cavity and an elastic body located in the inner cavity and having one end connected to the seat body, the pressing protrusion is located on the seat body, and the other end of the lever is connected to the other end of the elastic body in a clamping manner.

Optionally, the elastomer is cyclic annular, the lever subassembly is equipped with a plurality ofly, and is a plurality of the lever subassembly is followed the even and interval setting in circumference of elastomer, every the one end of lever rotate connect in the edge of lifter plate, the other end rotate connect in the edge of elastomer.

Optionally, the elastomer include with the pedestal lateral wall is the rake and the perpendicular to that the contained angle set up the horizontal part that the pedestal lateral wall set up, the rake rigid coupling in the pedestal, the horizontal part rigid coupling in the rake, the other end joint of lever in the horizontal part.

Optionally, the top surface of the elastic body is provided with a buckle with a semicircular longitudinal section, the other end of the lever is provided with a clamping groove matched with the buckle, and the buckle is clamped into the clamping groove.

Optionally, a protruding block extending into the inner cavity is arranged in the middle of the top surface of the steering wheel connecting seat, the through hole penetrates through the protruding block, the horn groove is located in a portion, where the protruding block is not arranged, of the steering wheel connecting seat, a supporting protrusion with a conical cross section is arranged on the top surface of the protruding block, one end of the supporting rod is rotatably connected to the supporting protrusion, and the supporting protrusion avoids the lifting disc.

Optionally, the transmission member includes an internal thread sleeve penetrating through the through hole and a screw rod with one end screwed in the internal thread sleeve, and the other end of the screw rod is fixedly connected to the lifting disc.

Optionally, still include right angle gear pair and dwang, the dwang rigid coupling in a gear of right angle gear pair, the driving medium rigid coupling in another gear of right angle gear pair.

Optionally, the device further comprises an adjusting and limiting assembly, the adjusting and limiting assembly is selectively connected to the transmission member, and the adjusting and limiting assembly is used for limiting the transmission member.

The steering wheel comprises a horn and the sounding mechanism, wherein the horn is arranged at the bottom of the horn groove, and when the air bag connecting seat is pressed, the pressing convex part can sound the horn.

The vehicle comprises the steering wheel.

The invention has the beneficial effects that: according to the ringing mechanism, the steering wheel and the vehicle, the adjusting assembly is connected to the air bag connecting seat through the lever assembly, so that the air bag connecting seat can be linked when the adjusting assembly moves, the distance between the pressing convex part on the air bag connecting seat and the horn in the horn groove can be adjusted, the ringing stroke can be adjusted according to the requirements of users, and the use of the users is facilitated.

Drawings

FIG. 1 is a first cross-sectional view of a ring structure in an exploded view according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the invention at A shown in FIG. 1;

FIG. 3 is a first cross-sectional view of a ring structure in an exploded state according to an embodiment of the present invention;

fig. 4 is a first schematic cross-sectional view of a ringing structure provided by an embodiment of the present invention.

In the figure:

1. a steering wheel connecting seat; 11. a horn slot; 12. a through hole; 13. a bump; 14. a support boss;

2. an air bag connecting seat; 20. an inner cavity; 21. a pressing projection; 22. a base body; 23. an elastomer; 231. an inclined portion; 232. a horizontal portion; 233. buckling;

3. an adjustment assembly; 31. a lifting plate; 32. a conveying member; 321. an internal thread sleeve; 322. a screw rod;

4. a lever assembly; 41. a strut; 42. a lever; 421. clamping groove

5. An elastic restoring member; 6. a right angle gear pair; 7. and rotating the rod.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a ringing mechanism, which can adjust the ringing stroke of a ringing loudspeaker according to requirements and is convenient for users to use.

As shown in fig. 1 and 2, the sounding mechanism includes a steering wheel connecting seat 1, an air bag connecting seat 2, an adjusting component 3, a lever component 4 and an elastic reset component 5.

The steering wheel connecting seat 1 is used for connecting a steering wheel, and the top surface of the steering wheel connecting seat 1 is provided with a horn groove 11 and a through hole 12 penetrating through the upper side and the lower side of the horn groove. The through hole 12 is arranged in the middle of the steering wheel connecting seat 1, and the horn groove 11 is arranged on the edge of the steering wheel connecting seat 1. The horn slot 11 is used to place the horn 10, and in some embodiments, the horn 10 is placed at the bottom of the horn slot 11.

The airbag connecting seat 2 is disposed above the steering wheel connecting seat 1 and opposite to the steering wheel connecting seat 1, and the surface of the airbag connecting seat 2 facing the steering wheel connecting seat 1 has a pressing protrusion 21 extending into the horn groove 11, and the pressing airbag connecting seat 2 can push the pressing protrusion 21 to press the horn 10, so that the horn 10 makes a sound. The adjusting assembly 3 includes a lifting disc 31 and a transmission member 32 for driving the lifting disc 31 to lift, in this embodiment, the lifting disc 31 lifts along a vertical direction, that is, along the arrangement direction of the steering wheel connecting seat 1 and the airbag connecting seat 2. The lifting disc 31 is arranged between the steering wheel connecting seat 1 and the air bag connecting seat 2, and the transmission member 32 is arranged in the through hole 12 in a penetrating way and connected with the lifting disc 31. Lifting disk 31 adjusts the position of pressing convex part 21 through lever subassembly 4, and specifically, lever subassembly 4 includes that one end rotates to be connected in the branch 41 of gasbag connecting seat 2 and the middle part rotates to be connected in the lever 42 of the branch 41 other end, and the one end of lever 42 rotates to be connected in lifting disk 31, and the other end joint is in gasbag connecting seat 2. When lifting disk 31 removed along vertical direction, can drive the one end of lever 42 and remove along vertical direction, and then make lever 42 use branch 41 to rotate as the fulcrum to make lever 42's the other end remove along vertical direction, remove in vertical direction with driving gasbag connecting seat 2, reach the purpose of adjusting the distance between pressing convex part 21 and loudspeaker 10. In this embodiment, the two components may be rotationally connected by a pin, for example, a end of the lever 42 is sleeved on the pin fixed on the steering wheel connecting seat 1, and can rotate relative to the steering wheel connecting seat 1 by using the pin as a rotating shaft.

In this embodiment, the elastic reset member 5 abuts against between the steering wheel connecting seat 1 and the airbag connecting seat 2, and is used for resetting the airbag connecting seat 2. It should be noted that, when pressing the airbag connecting seat 2, the elastic reset piece 5 is in a compressed state and stores elastic potential energy, and after the external force is withdrawn, the airbag connecting seat 2 is reset under the action of the elastic reset piece 5 to prevent the loudspeaker 10 from continuously generating sound.

In some embodiments, the elastic restoring member 5 is located in the horn slot 11 and at least partially sleeved on the pressing protrusion 21, when a user presses the airbag connecting seat 2, the pressing protrusion 21 needs to contact the horn 10 while overcoming the elastic force of the elastic restoring member 5, and after the external force applied to the airbag connecting seat 2 is removed, the pressing protrusion 21 is restored under the action of the elastic restoring member 5, thereby preventing the horn 10 from continuously generating sound. It should be noted that one end of the elastic reset piece 5 abuts against the air bag connecting seat 2, and the other end abuts against the bottom of the horn groove 11, and is set to be away from the horn 10, so as to prevent the horn 10 from being pressed by mistake.

The adjusting process of the ringing mechanism provided by the embodiment is as follows: when the ringing stroke needs to be shortened, taking the orientation shown in fig. 1 as an example, the transmission member 32 is driven to move upwards, so that the transmission member 32 drives the lifting disc 31 to move upwards, at this time, one end of the lever 42 moves upwards, and the lever 42 rotates clockwise with the other end of the supporting rod 41 as a fulcrum, so that the other end of the lever 42 moves downwards, the airbag connecting seat 2 clamped with the other end of the lever 42 moves downwards, so that the pressing convex part 21 is closer to the bottom of the horn groove 11, further the distance between the pressing convex part 21 and the horn 10 is reduced, and the ringing stroke is shortened; when the ringing stroke needs to be increased, the driving transmission part 32 is driven to move downwards, so that the driving transmission part 32 drives the lifting disc 31 to move downwards, at the moment, one end of the lever 42 moves downwards, the lever 42 rotates anticlockwise by taking the other end of the supporting rod 41 as a fulcrum, the other end of the lever 42 moves upwards, the air bag connecting seat 2 clamped with the other end of the lever 42 moves upwards, the pressing convex part 21 moves away from the bottom of the horn groove 11, the distance between the pressing convex part 21 and the horn 10 is increased, and the ringing stroke is increased.

The mechanism according to the sound that this embodiment provided, adjusting part 3 is connected in gasbag connecting seat 2 through lever subassembly 4 for gasbag connecting seat 2 can realize the linkage when adjusting part 3 removes, and then can adjust the distance between the loudspeaker in pressing convex part 21 and the loudspeaker groove 11 on the gasbag connecting seat 2, has realized according to the regulation of sound stroke, makes according to the sound stroke can adjust according to user's needs, the user's of being convenient for use.

Optionally, with continued reference to fig. 1 to 4, the air bag connecting seat 2 includes a seat body 22 having an inner cavity 20, and an elastic body 23 located in the inner cavity 20 and having one end connected to the seat body 22. The elastic body 23 has a certain elasticity in the vertical direction. The pressing protrusion 21 is provided on the bottom surface of the seat 22, and the other end of the lever 42 is engaged with the other end of the elastic body 23. In some embodiments, as shown in fig. 1, the base 22 has an opening, and the opening of the base 22 is located below, the base 22 has a top wall and a side wall vertically connected to the top wall, the end of the side wall is vertically connected to a folded edge 221, and the folded edge 221 surrounds the opening. With continued reference to fig. 1, one end of the elastomer 23 is attached to the junction of the sidewall and the flap 221. Optionally, the seat 22 in this embodiment is a cylinder, a prism, etc., which is not limited in this embodiment.

In this embodiment, the elastic body 23 is annular and is connected to the seat 22 along the circumferential direction of the seat 22. Lever subassembly 4 is equipped with a plurality ofly, and a plurality of lever subassemblies 4 set up along the even and interval of circumference of elastomer 23, can improve stability and reliability when adjusting part 3 drives 2 removals of gasbag connecting seat through setting up a plurality of lever subassemblies 4. One end of each lever 42 is rotatably coupled to an edge of the lifting disk 31 to prevent the lifting disk 31 from interfering with the rotation of the lever 42, and the other end of each lever 42 is rotatably coupled to an edge of the elastic body 23 to prevent the elastic body 23 from interfering with the rotation of the lever 42. In this embodiment, the lever 42 is located above the elastic body 23 and the lifting plate 31 so as to achieve the above-mentioned functions.

Further, as shown in fig. 3, the elastic body 23 is bent, and specifically, the elastic body 23 includes an inclined portion 231 disposed at an angle with respect to the sidewall of the seat body 22 and a horizontal portion 232 disposed perpendicular to the sidewall of the seat body 22. Through the setting of inclined part 231, can realize the elasticity of elastomer 23 in vertical direction, the one end rigid coupling of inclined part 231 in pedestal 22, the one end rigid coupling of horizontal part 232 in the other end of inclined part 231, the other end joint of lever 42 in the other end of horizontal part 232. One end of the inclined portion 231 is an outer edge of the inclined portion 231, the other end of the inclined portion 231 is an inner edge of the inclined portion 231, one end of the horizontal portion 232 is an outer edge of the horizontal portion 232, and the other end of the horizontal portion 232 is an inner edge of the horizontal portion 232. It should be noted that, in order to ensure the overall strength of the airbag connecting seat 2, the airbag connecting seat 2 is an integrally formed structure.

Optionally, the elastic body 23 and the lever 42 may be clamped in a plurality of manners, and this embodiment provides a clamping manner, as shown in fig. 2 and fig. 4, a top surface of the elastic body 23 has a buckle 233 with a semicircular longitudinal section, the buckle 233 is specifically disposed at the other end of the horizontal portion 232, the other end of the lever 42 has a clamping groove 421 matched with the buckle 233, and the buckle 233 is clamped in the clamping groove 421, so as to realize the clamping between the elastic body 23 and the lever 42. The lever 42 can rotate relative to the elastic body 23 by providing the locking groove 421 and the locking buckle 233 with semicircular longitudinal sections. In this embodiment, the latch 233 is annular, so that the lever 42 and the elastic body 23 have a larger contact area, and the reliability of the linkage is further improved.

It should be noted that the buckle 233 and the slot 421 also have the function of connecting the airbag connecting seat 2 and the steering wheel connecting seat 1, as shown in fig. 1, when the buckle 233 and the slot 421 are not buckled, the airbag connecting seat 2 can be separated from the steering wheel connecting seat 1; when the buckle 232 is engaged with the engaging groove 421, as shown in fig. 4, the air bag connecting seat 2 is connected to the steering wheel connecting seat 1 through the adjusting component 3 and the lever component 4. In some alternative embodiments, the other end of the lever 42 may have a jaw, and in this case, the elastic body 23 is provided with a structure capable of being clamped by the jaw, and the jaw can be rotatably connected to the lever 42 to realize the rotatable connection of the two.

The method for connecting the steering wheel connecting seat 1 and the air bag connecting seat 2 comprises the following steps: firstly, rotating the transmission member 32 along the first rotating direction to enable the lifting disc 31 to be positioned at one side close to the steering wheel connecting seat 1, pressing the convex part 21 and the elastic reset member 5 to correspond to the horn groove 11, pressing the air bag connecting seat 2 to enable the pressing convex part 21 to extend into the horn groove 11, rotating the transmission member 32 in the direction opposite to the first rotating direction to enable the lifting disc 31 to rise, at the moment, clamping grooves 421 on the levers 42 clamp and buckle buckles 233 on the elastic body 23, and at the moment, connecting the air bag connecting seat 2 and the steering wheel connecting seat 1 is completed.

Referring to fig. 1, the middle of the top surface of the steering wheel connecting seat 1 is provided with a protrusion 13 extending into the inner cavity 20, in this embodiment, the end of the folded edge 221 abuts against the sidewall of the protrusion 13, so that the steering wheel connecting seat 1 can limit the seat 22 in the horizontal direction. The through hole 12 is disposed through the bump 13, specifically, at the center of the bump 13. The horn groove 11 is located at a portion of the steering wheel attachment base 1 where the projection 13 is not provided, that is, the horn groove 11 is provided at an edge of the steering wheel attachment base 1. The top surface of the projection 13 is provided with a supporting protrusion 14 with a conical section, a pin or a rotating shaft is fixedly arranged on the supporting protrusion 14, one end of the supporting rod 41 is rotatably connected to the supporting protrusion 14, that is, one end of the supporting rod 41 is sleeved on the pin or the rotating shaft, so that the supporting rod 41 can rotate by taking the supporting protrusion 14 as a fulcrum, and by arranging the supporting protrusion 14, the supporting rod 41 and the lever 42 have a larger moving space, and further the ringing mechanism has a larger adjustable range. In this embodiment, the supporting protrusion 14 is annular to meet the requirement of the lever assemblies 4, and as shown in fig. 1, the supporting protrusion 14 is disposed away from the lifting plate 31, and in some embodiments, the supporting protrusion 14 surrounds the lifting plate 31 to avoid affecting the lifting of the lifting plate 31.

Alternatively, as shown in fig. 3 or fig. 4, the transmission member 32 includes an internal threaded sleeve 321 disposed through the through hole 12 and a screw rod 322 having one end screwed into the internal threaded sleeve 321, and the other end of the screw rod 322 is fixed to the lifting plate 31. Because the lifting disc 31 is connected to the steering wheel connecting seat 1 through the lever 42, and the steering wheel connecting seat 1 is fixed, the supporting rod 41 can only rotate by taking the connecting point on the steering wheel connecting seat 1 as a fulcrum, and can not translate in the horizontal direction and the vertical direction, so that the lifting disc 31 can not rotate relative to the steering wheel connecting seat 1, and the lead screw 322 is fixedly connected to the lifting disc 31, therefore, when the internal thread sleeve 321 rotates, the lead screw 322 can only lift along the vertical direction, and then the lifting disc 31 is driven to lift. In this embodiment, the other end of the screw rod 322 is fixedly connected to the block, and the block is embedded and fixed in the lifting disc 31 to have a better connection strength.

In this embodiment, as shown in fig. 3 or 4, the ringing mechanism further includes a right-angle gear pair 6 and a rotating lever 7. Wherein, dwang 7 rigid coupling in a gear of right angle gear pair 6, the internal thread cover 321 rigid coupling of driving medium 32 in another gear of right angle gear pair 6, the user rotates through control dwang 7, can drive another gear through a gear and rotate, and then drives internal thread cover 321 and rotate. Through setting up right angle gear pair 6, can realize the change of transmission direction, the arrangement of the dwang 7 of being convenient for, and then the user's of being convenient for operation. In this embodiment, the rotating rod 7 extends along the radial direction of the steering wheel connecting seat 1, that is, the extending direction of the rotating rod 7 is perpendicular to the axial direction of the steering wheel connecting seat 1.

Further, the ringing mechanism further comprises an adjusting limiting component, the adjusting limiting component is selectively connected to the transmission member 32, and the adjusting limiting component is used for limiting the transmission member 32 after the ringing stroke is adjusted in place, so as to prevent the transmission member 32 from continuously rotating. In some embodiments, the adjustment limiting assembly can limit the transmission member 32 by limiting the rotating rod 7. Optionally, the adjustment limiting component may be fixed on the steering wheel connecting seat 1, and this embodiment does not limit this. The structure of the adjusting and limiting component can be various, for example, the adjusting and limiting component is a clamping jaw which can clamp the transmission member 32 or the rotating rod 7.

The embodiment also provides a steering wheel, which comprises a horn 10 and the sounding mechanism, wherein the horn 10 is arranged at the bottom of the horn groove 11, and when the air bag connecting seat 2 is pressed, the horn 10 can be sounded through the pressing convex part 21. The specific structure of the horn 10 is conventional, and this embodiment is not limited thereto.

The embodiment also provides a vehicle which comprises the steering wheel.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The mechanism of ringing, its characterized in that includes:

the steering wheel connecting seat (1) is provided with a horn groove (11) and a through hole (12) penetrating through the upper side and the lower side of the horn groove (11), and the horn groove (11) is used for placing a horn (10);

the air bag connecting seat (2) is arranged above the steering wheel connecting seat (1), and a pressing convex part (21) extending into the horn groove (11) is arranged on the surface, facing the steering wheel connecting seat (1), of the air bag connecting seat (2);

the adjusting assembly (3) comprises a lifting disc (31) and a transmission piece (32) for driving the lifting disc (31) to lift, the lifting disc (31) is arranged between the steering wheel connecting seat (1) and the air bag connecting seat (2), and the transmission piece (32) penetrates through the through hole (12) and is connected with the lifting disc (31);

the lever assembly (4) comprises a supporting rod (41) with one end rotatably connected to the air bag connecting seat (2) and a lever (42) with the middle part rotatably connected to the other end of the supporting rod (41), one end of the lever (42) is rotatably connected to the lifting disc (31), and the other end of the lever is clamped to the air bag connecting seat (2);

and the elastic reset piece (5) is abutted between the steering wheel connecting seat (1) and the air bag connecting seat (2).

2. The clicking mechanism as claimed in claim 1, wherein the air bag connecting seat (2) comprises a seat body (22) having an inner cavity (20) and an elastic body (23) located in the inner cavity (20) and having one end connected to the seat body (22), the pressing protrusion (21) is disposed on the seat body (22), and the other end of the lever (42) is engaged with the other end of the elastic body (23).

3. The ringing mechanism as claimed in claim 2, wherein said elastic body (23) is ring-shaped, and said lever assembly (4) is provided in plurality, and a plurality of said lever assemblies (4) are uniformly and alternately arranged along the circumference of said elastic body (23), and one end of each of said levers (42) is rotatably connected to the edge of said lifting plate (31), and the other end thereof is rotatably connected to the edge of said elastic body (23).

4. The ringing mechanism according to claim 2 or 3, wherein said elastic member (23) comprises an inclined portion (231) disposed at an angle to the side wall of said seat body (22) and a horizontal portion (232) disposed perpendicular to the side wall of said seat body (22), said inclined portion (231) is fixedly connected to said seat body (22), said horizontal portion (232) is fixedly connected to said inclined portion (231), and the other end of said lever (42) is connected to said horizontal portion (232) in a clamping manner.

5. The clicking mechanism according to claim 2 or 3, wherein the top surface of the elastic body (23) is provided with a catch (233) having a semicircular longitudinal section, the other end of the lever (42) is provided with a catch (421) matching with the catch (233), and the catch (233) is caught in the catch (421).

6. The ringing mechanism according to claim 2 or 3, wherein a protrusion (13) extending into the inner cavity (20) is disposed in the middle of the top surface of the steering wheel connecting seat (1), the through hole (12) is disposed through the protrusion (13), the horn groove (11) is located in a portion of the steering wheel connecting seat (1) where the protrusion (13) is not disposed, a supporting protrusion (14) having a tapered cross section is disposed on the top surface of the protrusion (13), one end of the supporting rod (41) is rotatably connected to the supporting protrusion (14), and the supporting protrusion (14) is disposed to be away from the lifting disk (31).

7. The clicking mechanism according to any one of claims 1 to 3, wherein the transmission member (32) comprises an internally threaded sleeve (321) passing through the through hole (12) and a screw rod (322) having one end screwed into the internally threaded sleeve (321), and the other end of the screw rod (322) is fixedly connected to the lifting plate (31).

8. A ringing mechanism according to any one of claims 1 to 3 further comprising a right angle gear pair (6) and a turning lever (7), said turning lever (7) being secured to one gear of said right angle gear pair (6) and said transmission member (32) being secured to the other gear of said right angle gear pair (6).

9. The clicking mechanism as claimed in any one of claims 1 to 3 further comprising an adjustment and spacing assembly, said adjustment and spacing assembly being selectively connected to said drive member (32) and said adjustment and spacing assembly being adapted to spacing said drive member (32).

10. A steering wheel comprising a horn (10) and the sounding mechanism of any one of claims 1 to 9, wherein the horn (10) is disposed at the bottom of the horn slot (11), and the pressing protrusion (21) is capable of sounding the horn (10) when the air bag connector holder (2) is pressed.

11. A vehicle comprising the steering wheel of claim 10.