Automobile safety air bag assembly

Abstract

The automobile safety air bag assembly is arranged on a steering wheel framework of an automobile, the automobile safety air bag assembly comprises a decorative cover, a shell, an air bag assembly and a horn conductive loop assembly, the decorative cover is connected with the shell, the shell is arranged on the steering wheel framework, the air bag assembly is arranged between the decorative cover and the shell, and the horn conductive loop assembly is arranged on the shell. The horn conductive loop assembly is arranged on the air bag assembly, assembly is convenient, compared with a shell assembly adopting sheet metal punch forming and a PA66 plastic coating process, the complexity of parts and molds of the shell assembly is reduced, the rejection rate of the parts is reduced, space is effectively utilized, the situation that the horn conductive loop assembly occupies a large space is effectively avoided, and the cost is reduced. The structure compactness of the automobile safety air bag assembly is improved, and the automobile safety air bag assembly is compact in structure, small in occupied space, convenient to assemble and high in yield.

Description

Technical Field

[0001] The invention belongs to the field of automobile safety airbags, and in particular, relates to an automobile safety airbag assembly. Background Art

[0002] With the development of the world economy, the automobile industry has also developed rapidly, and people have a better understanding of automobiles. Nowadays, people pay more and more attention to the safety of automobiles. The car horn is an audio signal device of the car. The car horn switch structure is integrated with the driver's airbag. During the driving of the car, the driver presses the car airbag according to needs and regulations, so that the internal horn structure touches the metal structure of the steering wheel, realizes the conduction of current, and sends out the necessary audio signals to warn pedestrians and attract the attention of other vehicles to ensure traffic safety.

[0003] In existing automobiles, the shell material of the driver's airbag is usually made of PA66 injection molding structure. In order to integrate the automobile horn switch structure and the driver's airbag, the horn circuit design usually first stamps the conductive sheet used to connect the horn circuit, and then over-molds the conductive sheet in a plastic shell, resulting in the driver's airbag assembly occupying a large space, high assembly difficulty, low yield rate and high production cost. Summary of the invention

[0004] The present invention is made to solve the above problems, and aims to provide an automobile airbag assembly with compact structure, small space occupation, convenient assembly and high yield. In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] The present invention provides an automobile safety airbag assembly, which is arranged on the steering wheel frame of the automobile and has the following characteristics: it includes a decorative cover, a shell, an airbag component and a horn conductive circuit component, the decorative cover is connected to the shell, the shell is arranged on the steering wheel frame, the airbag component is arranged between the decorative cover and the shell, and the horn conductive circuit component is arranged on the airbag component.

[0006] The automobile safety airbag assembly provided by the present invention may also have such a feature that the airbag component includes an airbag and a support ring bracket, the airbag is stored in a ring shape, a clearance space is left in the middle of the airbag, the support ring bracket is arranged in the clearance space, and a gas generator is provided on the support ring bracket.

[0007] The automobile safety airbag assembly provided by the present invention may also have such a feature that the support ring bracket is provided with studs, and the studs are evenly arranged on the support ring bracket.

[0008] The automobile airbag assembly provided by the present invention may also have the following features: a first through hole matching the stud is provided on the shell, the stud passes through the first through hole, and a nut is provided on one end of the stud close to the first through hole.

[0009] The automobile safety airbag assembly provided by the present invention may also have the following feature: a second through hole is further provided on the shell.

[0010] The automobile airbag assembly provided by the present invention may also have such a feature that the speaker conductive circuit component includes a positioning pin, the positioning pin is inserted into the second through hole, a supporting flange is provided at one end of the positioning pin, one end of the positioning pin abuts against the airbag, and a shock-absorbing pad and a buffer spring are inserted on the positioning pin.

[0011] The automobile airbag assembly provided by the present invention may also have such a feature that the speaker conductive circuit component also includes a conductive sheet and a wiring harness, the conductive sheet is arranged on the stud, one end of the wiring harness is connected to the stud, and the other end of the wiring harness is connected to the positioning pin.

[0012] The automobile airbag assembly provided by the present invention may also have such a feature that the conductive plate includes a first protrusion, a second protrusion and a connecting plate, one side of the connecting plate is connected to the first protrusion, and the other side of the connecting plate is connected to the second protrusion. The first protrusion is provided with a connecting ring, and the connecting ring is sleeved on the stud.

[0013] The automobile safety airbag assembly provided by the present invention may also have such a feature that a mounting guide groove is provided on the housing, and the connecting plate passes through the mounting guide groove.

[0014] The automobile safety airbag assembly provided by the present invention may also have the following feature: a retaining spring is provided on the steering wheel frame, and the positioning pin abuts against the retaining spring.

[0015] The technical effect of the present invention is as follows: the automobile airbag assembly provided by the present invention is arranged on the steering wheel frame of the automobile, the automobile airbag assembly includes a decorative cover, a shell, an airbag assembly and a speaker conductive circuit assembly, the decorative cover is connected to the shell, the shell is arranged on the steering wheel frame, the airbag assembly is arranged between the decorative cover and the shell, and the speaker conductive circuit assembly is arranged on the airbag assembly, which is convenient for assembly. Compared with the shell assembly using sheet metal stamping and PA66 overmolding technology, the complexity of the shell assembly parts and molds is reduced, the scrap rate of parts is reduced, the space is effectively utilized, the speaker conductive circuit assembly is effectively avoided from occupying a large space, and the compactness of the structure of the automobile airbag assembly is improved.

[0016] Therefore, the automobile safety airbag assembly provided by the present invention has a compact structure, occupies a small space, is easy to assemble, and has a high yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, which show the following contents:

[0018] Figure 1 The structure of the automobile airbag assembly in the embodiment of the present invention is schematically shown. Figure 1 ;

[0019] Figure 2 is an exploded view of an automobile airbag assembly in an embodiment of the present invention;

[0020] Figure 3 is a schematic structural diagram of a housing in an embodiment of the present invention;

[0021] Figure 4 is a schematic structural diagram of a support ring bracket and a speaker conductive loop assembly in an embodiment of the present invention;

[0022] Figure 5 Schematic diagram of the structure of the conductive sheet in an embodiment of the present invention Figure 1 ;

[0023] Figure 6 Schematic diagram of the structure of the conductive sheet in an embodiment of the present invention Figure 2 ;

[0024] Figure 7 is a schematic structural diagram of the assembly of the conductive sheet and the housing in an embodiment of the present invention;

[0025] Figure 8 yes Figure 7 A partial enlarged view of part A;

[0026] Fig. 9 yes Figure 8 Structural diagram of the middle BB section;

[0027] Fig.10 yes Fig. 9 Structural diagram of the CC section;

[0028] Fig.11 is a schematic structural diagram of a steering wheel skeleton in an embodiment of the present invention;

[0029] Fig.12 is a schematic structural diagram of a part of a steering wheel skeleton in a top view direction in an embodiment of the present invention;

[0030] Fig.13 It is a schematic structural diagram of a part of a steering wheel skeleton in an embodiment of the present invention in a bottom view direction.

[0031] Markings in the figure are: 1-steering wheel frame, 2-circlip, 3-barcode label, 10-decoration cover, 11-identification groove, 12-icon, 20-housing, 21-first through hole, 22-second through hole, 23-installation guide groove, 30-airbag assembly, 31-airbag, 32-support ring bracket, 321-stud, 322-nut, 33-gas generator, 331-connecting convex plate, 40-speaker conductive loop assembly, 41-locating pin, 411-support flange, 412-shock pad, 413-buffer spring, 42-conductive sheet, 421-first convex plate, 422-second convex plate, 423-connecting plate, 424-connecting ring, 43-wiring harness. DETAILED DESCRIPTION

[0032] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0033] Figure 1 The structure of the automobile airbag assembly in the embodiment of the present invention is schematically shown. Figure 1 ; Figure 2 1 is an exploded view of an automobile safety airbag assembly in an embodiment of the present invention.

[0034] like Figure 1 and Figure 2 As shown, the automobile airbag assembly provided by the present invention is arranged on the steering wheel frame 1 of the automobile. The automobile airbag assembly includes a decorative cover 10, a shell 20, an airbag component 30 and a speaker conductive circuit component 40. The decorative cover 10 is connected to the shell 20, the shell 20 is arranged on the steering wheel frame 1, the airbag component 30 is arranged between the decorative cover 10 and the shell 20, and the speaker conductive circuit component 40 is arranged on the airbag component 30, which is convenient for assembly. Compared with the shell assembly using sheet metal stamping and PA66 overmolding technology, the complexity of the shell assembly parts and molds is reduced, the scrap rate of parts is reduced, the space is effectively utilized, and the speaker conductive circuit component 40 is effectively avoided from occupying a large space, thereby improving the compactness of the structure of the automobile airbag assembly.

[0035] The airbag assembly 30 includes an airbag 31 and a support ring bracket 32. The airbag 31 is stored in a ring shape and is stored between the decorative cover 10 and the shell 20. A clearance space is left in the middle of the airbag 31. The support ring bracket 32 ​​is arranged in the clearance space. The support ring bracket 32 ​​can support the airbag assembly 30 so that the airbag 31 is effectively stored between the decorative cover 10 and the shell 20, effectively reducing the volume of the automobile airbag assembly and reducing the occupied space.

[0036] The support ring bracket 32 ​​is provided with a gas generator 33, which is connected to the airbag 31 and can inflate the airbag 31, thereby ensuring that the airbag assembly 30 can work normally and the airbag can be normally popped out in the event of a collision, effectively ensuring the safety of the driver. The gas generator 33 is arranged on the support ring bracket 32 ​​and is located in the clearance space, which further improves the utilization rate of the space and the compactness of the structure.

[0037] The support ring bracket 32 ​​is provided with studs 321, which are evenly arranged on the support ring bracket 32. The support ring bracket 32 ​​is square and has flanged edges. Four studs 321 are respectively arranged at the four corners of the support ring bracket 32. The four studs 321 are parallel to each other. A connecting convex plate 331 is provided at the edge of the gas generator 33. The four connecting convex plates 331 are evenly distributed on the edge of the gas generator 33 and correspond to the positions of the four studs 321 one by one. The connecting convex plates 331 are provided with connecting holes that are compatible with the studs 321. The studs 321 are penetrated into the connecting holes, thereby fixing the automobile generator 33, preventing the automobile generator from shaking, and improving the stability of the structure.

[0038] Figure 3 is a schematic structural diagram of a housing in an embodiment of the present invention;

[0039] like Figure 3 As shown, the housing 20 is provided with a first through hole 21 adapted to the stud 321, the stud 321 is inserted into the first through hole 21, four first through holes 21 are provided on the housing 20, and the positions of the four studs 321 are respectively corresponding to each other, and a nut 322 is provided at one end of the stud 321 close to the housing 20, the nut 322 is screwed on the stud 321, and the nut 322 abuts against the housing 20, thereby connecting the support ring bracket 32 ​​and the housing 20. A slot body adapted to the gas generator 33 is provided in the middle of the housing 20, the gas generator 33 is sleeved on the stud 321 through the connecting hole, the nut 322 is screwed on the stud 321, and the nut 322 abuts against the housing 20, thereby fixing the gas generator 33 in the slot body, located in the middle of the air bag 31, and the clearance space between the slot body and the air bag 31 can provide installation space for the gas generator 33, further improving the compactness of the structure.

[0040] Figure 4 It is a schematic structural diagram of a support ring bracket and a speaker conductive loop assembly in an embodiment of the present invention.

[0041] like Figure 4As shown, the speaker conductive circuit assembly 40 includes a positioning pin 41, and a second through hole 22 is also provided on the shell 20. Three second through holes 22 are arranged on the shell 20, wherein two second through holes 22 are respectively arranged on both sides of the shell 20, and the other second through hole 22 is arranged on the top of the shell 20. The three positioning pins 41 are respectively penetrated in the three second through holes 22, and a supporting flange 411 is provided at one end of the positioning pin 41, and the supporting flange 411 is disc-shaped. One end of the positioning pin 41 with the supporting flange 411 abuts against the air bag 31, and the supporting flange 411 abuts against the air bag 31, thereby further pressing the air bag 31 and supporting the positioning pin 41 at the same time, thereby further improving the compactness of the structure.

[0042] The other end of the positioning pin 41 is movably connected to the steering wheel frame 1, so that it is convenient to press the automobile airbag assembly, so that the conductive contact on the internal speaker structure moves downward and touches the lower conductive contact to achieve current conduction, send out the necessary sound signal, warn pedestrians and attract the attention of other vehicles, and ensure traffic safety. The positioning pin 41 is penetrated with a shock-absorbing pad 412 and a buffer spring 413, which are adapted to the second through hole. The shock-absorbing pad 412 and the buffer spring 413 are penetrated on the positioning pin 41, and the buffer spring 413 is located on the side close to the shell 20, and the shock-absorbing pad 412 is located on the side away from the shell 20. The shock-absorbing pad 412 and the buffer spring 413 can buffer and weaken the vibration transmitted from the chassis of the automobile to the airbag assembly, avoid vibration noise, and improve driving comfort.

[0043] Figure 5 Schematic diagram of the structure of the conductive sheet in an embodiment of the present invention Figure 1 ; Figure 6 Schematic diagram of the structure of the conductive sheet in an embodiment of the present invention Figure 2 .

[0044] like Figure 4 , Figure 5 as well as Figure 6As shown, the speaker conductive loop assembly 40 also includes a conductive sheet 42 and a harness 43. The conductive sheet 42 is arranged on the stud 321. One end of the harness 43 is connected to the stud 321, and the other end of the harness 43 is connected to the positioning pin 41. The conductive sheet 42 includes a first convex plate 421, a second convex plate 422, and a connecting plate 423. One side of the connecting plate 423 is connected to the first convex plate 421, and the other side of the connecting plate 423 is connected to the second convex plate 422, so that the conductive sheet 42 has a U-shaped structure, so that when the conductive sheet 42 is arranged on the stud 321, it will not interfere with other devices, thereby further improving the compactness of the structure. A connecting ring 424 is provided on the first convex plate 421, and the connecting ring 424 is adapted to the stud 321, and the connecting ring 424 is sleeved on the stud 321, so that the conductive sheet 42 is connected to the stud 321, and the connecting ring 424 is located between the housing 20 and the nut 322, thereby fixing the conductive sheet 42, preventing the conductive sheet 42 from shaking, ensuring the stability of the conductive sheet 42, and ensuring the normal operation of the speaker conductive circuit assembly 40. In addition, the conductive sheet 42 in the present invention has a simple structure, and when the conductive sheet 42 is manufactured by a sheet metal stamping process, the utilization rate of the sheet metal parts can be improved, and the production cost can be effectively reduced.

[0045] Figure 7 is a schematic structural diagram of the assembly of the conductive sheet and the housing in an embodiment of the present invention; Figure 8 yes Figure 7 A partial enlarged view of part A; Fig. 9 yes Figure 8 Structural diagram of the middle BB section; Fig.10 yes Fig. 9 Schematic diagram of the structure of the CC section.

[0046] like Figure 7 , Figure 8 , Fig. 9 as well as Fig.10 As shown, the shell 20 is provided with an installation guide groove 23, which is adapted to the connecting plate 423. The connecting plate 423 passes through the installation guide groove 23, thereby fixing the connecting plate 423, and further fixing the conductive sheet 42 to prevent the conductive sheet 42 from shaking, thereby ensuring the stability of the conductive sheet 42 and ensuring the normal operation of the speaker conductive circuit assembly 40.

[0047] Fig.11 is a schematic structural diagram of a steering wheel skeleton in an embodiment of the present invention; Fig.12 is a schematic structural diagram of a part of a steering wheel skeleton in a top view direction in an embodiment of the present invention; Fig.13 It is a schematic structural diagram of a part of a steering wheel skeleton in an embodiment of the present invention in a bottom view direction.

[0048] like Fig.11 , Fig.12 as well as Fig.13As shown, a retaining spring 2 is provided on the steering wheel skeleton 1. Three retaining springs 2 are arranged on the steering wheel skeleton 1, corresponding to the positions of three positioning pins 41 respectively. One end of the three positioning pins 41 close to the steering wheel skeleton 1 is respectively in contact with the retaining spring 2, so that it can be movably clamped on the steering wheel skeleton 1, which is convenient for pressing the automobile airbag assembly.

[0049] The decorative cover 10 is provided with an identification groove 11, and an icon 12 is arranged in the identification groove 11, so as to facilitate adding an icon logo to the automobile airbag assembly and improve the aesthetics and recognition.

[0050] During the assembly process of the automobile airbag assembly provided by the present invention, the icon 12 is installed in the identification groove 11 of the decorative cover 10, the support ring bracket 32 ​​is set in the clearance space in the airbag 31, the airbag 31 is stored by hot pressing, the positioning pin 41 with the shock absorbing pad 412 and the buffer spring 413 is inserted into the second through hole of the shell 20, the stud 321 and the positioning pin 41 are connected by the wiring harness 43, the stud 321 is inserted into the first through hole 21 of the shell 20, and the hot pressed and stored airbag 31 is installed in the shell 20, and Install the gas generator 33 between the shell 20 and the airbag 31, sleeve the connecting ring 424 on the stud 321, clamp the connecting plate 423 in the installation guide groove 23, tighten the nut 322, thereby fixing the conductive sheet 42 to the shell 20, and connect the decorative cover 10 to the shell 20 to obtain an assembled automobile airbag assembly, and then attach a barcode label 3 to the assembled automobile airbag assembly, clamp the positioning pin 41 on the retaining spring 2, and press the assembled automobile airbag assembly to the steering wheel frame 1.

[0051] The speaker conductive circuit assembly 40 is integrated on the automobile airbag assembly. The conductive sheet 42 is connected to the metal support ring bracket 32 ​​through the stud 321 and the nut 322 for electrical conduction. The support ring bracket 32 ​​is connected to the positioning pin 41 through the wiring harness 43, and is clamped on the steering wheel frame 1 through the positioning pin 41 to achieve the connection between the automobile airbag assembly and the steering wheel. The lower contact structure of the speaker contacts the positioning pin 41 and is grounded through the steering wheel frame 1. The upper contact of the speaker is connected to the positive electrode of the whole vehicle through the wiring harness 43 and the conductive sheet 42 and the clock spring upper plug-in. There is a shock-absorbing pad 412 and a buffer spring 413 between the automobile airbag assembly and the steering wheel frame 1. When the driver presses the automobile airbag assembly, the upper contact of the speaker contacts the lower contact, and the speaker is turned on and the speaker sounds. When the driver releases his hand and presses the automobile airbag assembly, the downward pressure received is zero, the buffer spring 413 pops up, the automobile airbag assembly is reset, the speaker circuit is disconnected, and the speaker sound is turned off.

[0052] The present invention utilizes the structure of the automobile airbag assembly and the steering wheel frame 1 to cleverly form a conductive circuit of the horn switch, which can significantly reduce the complexity of the automobile airbag assembly and the horn switch structure, and reduce the weight and structural complexity of the horn switch structure. Due to the reduced structural complexity, the driver's airbag as a whole can also be designed to be smaller, the cost and weight are also reduced, and the space occupied is also reduced.

[0053] Functions and Effects of the Embodiments

[0054] The automobile airbag assembly provided by the present invention is arranged on a steering wheel frame 1 of an automobile. The automobile airbag assembly includes a decorative cover 10, a shell 20, an airbag assembly 30 and a speaker conductive circuit assembly 40. The decorative cover 10 is connected to the shell 20, the shell 20 is arranged on the steering wheel frame 1, the airbag assembly 30 is arranged between the decorative cover 10 and the shell 20, and the speaker conductive circuit assembly 40 is arranged on the airbag assembly 30, which is convenient for assembly. Compared with the shell assembly using sheet metal stamping and PA66 overmolding technology, the complexity of the shell assembly parts and molds is reduced, the scrap rate of parts is reduced, the space is effectively utilized, and the speaker conductive circuit assembly 40 is effectively avoided from occupying a large space, thereby improving the compactness of the structure of the automobile airbag assembly. The speaker conductive circuit assembly 40 is integrated on the automobile airbag assembly. The conductive sheet 42 is connected to the metal support ring bracket 32 ​​through the stud 321 and the nut 322 for electrical conduction. The support ring bracket 32 ​​is connected to the positioning pin 41 through the wiring harness 43, and is clamped on the steering wheel frame 1 through the positioning pin 41 to achieve the connection between the automobile airbag assembly and the steering wheel. The lower contact structure of the speaker contacts the positioning pin 41 and is grounded through the steering wheel frame 1. The upper contact of the speaker is connected to the positive electrode of the whole vehicle through the wiring harness 43 and the conductive sheet 42 and the clock spring upper plug-in. There is a shock-absorbing pad 412 and a buffer spring 413 between the automobile airbag assembly and the steering wheel frame 1. When the driver presses the automobile airbag assembly, the upper contact of the speaker contacts the lower contact, and the speaker is turned on and the speaker sounds. When the driver releases his hand and presses the automobile airbag assembly, the downward pressure received is zero, the buffer spring 413 pops up, the automobile airbag assembly is reset, the speaker circuit is disconnected, and the speaker sound is turned off. The present invention utilizes the structure of the automobile airbag assembly and the steering wheel frame 1 to cleverly form a conductive circuit of the horn switch, which can significantly reduce the complexity of the automobile airbag assembly and the horn switch structure, and reduce the weight and structural complexity of the horn switch structure. Due to the reduced structural complexity, the driver's airbag as a whole can also be designed to be smaller, the cost and weight are also reduced, and the space occupied is also reduced.

[0055] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An automobile safety airbag assembly, arranged on a steering wheel frame (1) of an automobile, characterized in that: The invention comprises a decorative cover (10), a shell (20), an airbag assembly (30) and a speaker conductive circuit assembly (40), wherein the decorative cover (10) is connected to the shell (20), the shell (20) is arranged on the steering wheel frame (1), the airbag assembly (30) is arranged between the decorative cover (10) and the shell (20), and the speaker conductive circuit assembly (40) is arranged on the airbag assembly (30).

2. The automobile airbag assembly according to claim 1, characterized in that: The air bag assembly (30) comprises an air bag (31) and a support ring bracket (32); the air bag (31) is stored in a ring shape; a clearance space is left in the middle of the air bag (31); the support ring bracket (32) is arranged in the clearance space; and a gas generator (33) is provided on the support ring bracket (32).

3. The automobile airbag assembly according to claim 2, characterized in that: The support ring bracket (32) is provided with studs (321), and the studs (321) are evenly arranged on the support ring bracket (32).

4. The automobile airbag assembly according to claim 3, characterized in that: The housing (20) is provided with a first through hole (21) adapted to the stud (321), the stud (321) is inserted into the first through hole (21), and a nut (322) is provided on one end of the stud (321) close to the first through hole (21).

5. The automobile airbag assembly according to claim 4, characterized in that: The housing (20) is also provided with a second through hole (22).

6. The automobile airbag assembly according to claim 5, characterized in that: The speaker conductive loop assembly (40) comprises a positioning pin (41), the positioning pin (41) is inserted into the second through hole (22), one end of the positioning pin (41) is provided with a supporting flange (411), one end of the positioning pin (41) is in contact with the air bag (31), and a shock absorbing pad (412) and a buffer spring (413) are inserted into the positioning pin (41).

7. The automobile airbag assembly according to claim 6, characterized in that: The speaker conductive loop assembly (40) further comprises a conductive sheet (42) and a wiring harness (43), wherein the conductive sheet (42) is arranged on the stud (321), one end of the wiring harness (43) is connected to the stud (321), and the other end of the wiring harness (43) is connected to the positioning pin (41).

8. The automobile airbag assembly according to claim 7, characterized in that: The conductive sheet (42) comprises a first convex plate (421), a second convex plate (422) and a connecting plate (423), one side of the connecting plate (423) is connected to the first convex plate (421), and the other side of the connecting plate (423) is connected to the second convex plate (422), and a connecting ring (424) is provided on the first convex plate (421), and the connecting ring (424) is sleeved on the stud (321).

9. The automobile airbag assembly according to claim 8, characterized in that: The housing (20) is provided with a mounting guide groove (23), and the connecting plate (423) passes through the mounting guide groove (23).

10. The automobile airbag assembly according to claim 6, characterized in that: The steering wheel frame (1) is provided with a retaining spring (2), and the positioning pin (41) abuts against the retaining spring (2).

Images