Connecting structure for steering wheel and air bag of automobile

Abstract

The utility model discloses an automobile steering wheel and air bag connecting structure which comprises a steering wheel body, the bottom of the steering wheel body is fixedly connected with a chassis, the top of the chassis is provided with an embedding groove, and an embedding block is connected between the inner walls of the embedding groove in a sliding mode. The four clamping blocks slide among the inner walls of the four grooves, then the air bag shell is rotated to enable the four clamping blocks to slide on the inner sides of the clamping grooves at the same time, then the air bag shell is pressed to enable the pressing blocks to slide among the inner walls of the pressing grooves, and then the reset springs are squeezed; the four positioning rods slide among the inner walls of the four positioning sleeves, then the threaded rods penetrate through the through holes, the embedding blocks are installed in the embedding grooves, and the chassis is fixedly connected with the steering wheel body, so that stable and safe connection and installation of the automobile steering wheel and the air bag can be rapidly completed; therefore, the efficiency of connecting and assembling the steering wheel and the air bag is improved, and meanwhile the convenience of overhauling and replacing the steering wheel and the air bag is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of automotive installation technology, specifically a connection structure between an automotive steering wheel and an airbag. Background Technology

[0002] An airbag is a passive safety device designed to protect the driver and passengers in the event of a collision. Airbags work by using sensors to detect a collision and then rapidly inflating (usually within milliseconds) to form a protective barrier, reducing direct impact between the human body and hard objects inside the vehicle. Regular inspection and maintenance of the airbag system are also important, especially after a collision. Although an airbag may only deploy in a single event, the entire system needs to be kept safe and effective.

[0003] In the existing assembly process of connecting the steering wheel and airbag in automobiles, the assembly process is usually quite complicated in order to ensure a firm connection between the steering wheel and the airbag. This may affect the flexibility of the steering wheel and make it inconvenient to inspect and replace the airbag. Therefore, we propose a connection structure for automobile steering wheel and airbag. Utility Model Content

[0004] The purpose of this invention is to provide a connection structure between an automobile steering wheel and an airbag to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a connection structure between a car steering wheel and an airbag, comprising a steering wheel body, a chassis fixedly connected to the bottom of the steering wheel body, a fitting groove on the top of the chassis, a fitting block slidably connected between the inner walls of the fitting groove, an mounting block fixedly connected to the top of the fitting block, a threaded rod fixedly connected to the bottom of the fitting block, a pressing groove and four recesses on the top of the mounting block, a slot on the outer side of the mounting block, a slider slidably connected to the outer side of the mounting block, four positioning rods fixedly connected to the top of the mounting block, an airbag housing fixedly connected to the top of the slider, and a sliding groove on the bottom of the slider.

[0006] As a further preferred embodiment of this technical solution, a pressure block and four positioning sleeves are fixedly connected to the bottom of the airbag shell and between it and the inner wall of the sliding groove. The inner sides of the four positioning sleeves are slidably connected to the outer sides of the four positioning rods respectively. A return spring is fixedly connected between the pressure block and the bottom of the inner side of the pressing groove. The outer side of the pressure block is slidably connected to the inner side of the pressing groove.

[0007] As a further preferred embodiment of this technical solution, four locking blocks are fixedly connected between the inner walls of the slide groove, one side of each of the four locking blocks is slidably connected to the inner side of the four grooves, and one side of each of the four locking blocks is slidably connected to the inner side of the groove.

[0008] As a further preferred embodiment of this technical solution, a threaded rod is fixedly connected to the bottom of the fitting block, and a through hole is provided on the inner side of the fitting groove.

[0009] As a further preferred embodiment of this technical solution, the outer side of the threaded rod is slidably connected to the inner side of the through hole, and the bottom end of the threaded rod extends through to the bottom of the chassis.

[0010] As a further preferred embodiment of this technical solution, a fastening sleeve is threadedly connected to the outer side of the threaded rod, and a baffle is fixedly connected to the outer side of the fastening sleeve, with the top of the baffle abutting against the bottom of the chassis.

[0011] This utility model provides a connection structure between a car steering wheel and an airbag, which has the following advantages:

[0012] (1) This utility model uses four locking blocks to slide between the inner walls of four grooves, and then rotates the airbag housing to make the four locking blocks slide simultaneously on the inner side of the slot. Then, by pressing the airbag housing, the pressure block slides between the inner walls of the pressing groove, thereby squeezing the return spring and making the four positioning rods slide between the inner walls of the four positioning sleeves. Then, the threaded rod is passed through the through hole and the fitting block is installed inside the fitting groove. Through the fixed connection between the chassis and the steering wheel body, the stable and safe connection and installation of the car steering wheel and airbag can be completed quickly, thereby improving the efficiency of the connection and assembly of the steering wheel and airbag, and also enhancing the convenience of inspection and replacement of the steering wheel and airbag.

[0013] (2) This utility model fixes the fitting block on the chassis by rotating the fastening sleeve on the outside of the threaded rod so that the baffle is in close contact with the bottom of the chassis, thereby further enhancing the stability and safety of the connection between the steering wheel and the airbag. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the chassis of this utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the steering wheel body of this utility model;

[0017] Figure 4 This is a schematic diagram of the fitting groove structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the airbag shell structure of this utility model;

[0019] Figure 6 This is a schematic diagram of the mounting block structure of this utility model;

[0020] In the diagram: 1. Steering wheel body; 2. Airbag housing; 3. Threaded rod; 4. Baffle; 5. Mounting block; 6. Fitting groove; 7. Through hole; 8. Locking block; 9. Pressing block; 10. Slide groove; 11. Positioning sleeve; 12. Positioning rod; 13. Pressing groove; 14. Return spring; 15. Groove; 16. Locking groove; 17. Fitting block; 18. Fastening sleeve; 19. Chassis; 20. Slider. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] This utility model provides a technical solution: such as Figures 1-6 As shown, in this embodiment, a connection structure between a car steering wheel and an airbag includes a steering wheel body 1. A chassis 19 is fixedly connected to the bottom of the steering wheel body 1. A fitting groove 6 is provided on the top of the chassis 19. A fitting block 17 is slidably connected between the inner walls of the fitting groove 6. An mounting block 5 is fixedly connected to the top of the fitting block 17. A threaded rod 3 is fixedly connected to the bottom of the fitting block 17. A pressing groove 13 and four recesses 15 are provided on the top of the mounting block 5. A slot 16 is provided on the outer side of the mounting block 5. A slider 20 is slidably connected to the outer side of the mounting block 5. Four positioning rods 12 are fixedly connected to the top of the mounting block 5. An airbag housing 2 is fixedly connected to the top of the slider 20. A sliding groove 10 is provided at the bottom of the slider 20. A pressure block 9 and four positioning sleeves are fixedly connected between the bottom of the airbag housing 2 and the inner wall of the sliding groove 10. 11. The inner sides of the four positioning sleeves 11 are slidably connected to the outer sides of the four positioning rods 12 respectively. A return spring 14 is fixedly connected between the bottom of the inner side of the pressure block 9 and the pressing groove 13. The outer side of the pressure block 9 is slidably connected to the inner side of the pressing groove 13. Four locking blocks 8 are fixedly connected between the inner walls of the slide groove 10. One side of the four locking blocks 8 is slidably connected to the inner side of the four grooves 15 respectively. One side of the four locking blocks 8 is slidably connected to the inner side of the locking groove 16. A threaded rod 3 is fixedly connected to the bottom of the fitting block 17. A through hole 7 is opened on the inner side of the fitting groove 6. The outer side of the threaded rod 3 is slidably connected to the inner side of the through hole 7. The bottom end of the threaded rod 3 extends to the bottom of the chassis 19. A fastening sleeve 18 is threadedly connected to the outer side of the threaded rod 3. A baffle 4 is fixedly connected to the outer side of the fastening sleeve 18. The top of the baffle 4 abuts against the bottom of the chassis 19.

[0023] During the assembly of the car steering wheel and airbag, the threaded rod 3 is first passed through the through hole 7, so that the fitting block 17 is placed inside the fitting groove 6. Then, the fastening sleeve 18 is rotated on the outside of the threaded rod 3, so that the baffle 4 abuts against the bottom of the chassis 19, thereby making the fitting block 17 and the steering wheel body 1 stably and safely assembled. Next, the airbag housing 2 is pressed to make the four locking blocks 8 enter the interior of the locking groove 16 through the four grooves 15 respectively. At the same time as pressing the airbag housing 2, the pressure block 9 presses against the return spring 14 inside the pressing groove 13. The airbag housing 2 is compressed and then rotated, causing the inner side of the bottom groove 10 of the slider 20 to slide on the outer side of the mounting block 5. This causes the four positioning rods 12 to slide inside the four positioning sleeves 11 respectively. When the pressure on the airbag housing 2 is stopped, the return spring 14 is lifted, which further drives the four locking blocks 8 to abut against the inner side of the locking groove 16, thereby completing the connection between the airbag housing 2 and the mounting block 5, and thus completing the connection and assembly of the car steering wheel and the airbag, further improving the efficiency and safety of the connection between the car steering wheel and the airbag.

[0024] This utility model provides a connection structure for a car steering wheel and an airbag. The specific working principle is as follows: When assembling the car steering wheel and airbag, firstly, the threaded rod 3 passes through the through hole 7, allowing the fitting block 17 to be placed inside the fitting groove 6. Then, the fastening sleeve 18 is rotated on the outside of the threaded rod 3, causing the baffle 4 to abut against the bottom of the chassis 19, thereby ensuring a stable and safe assembly of the fitting block 17 and the steering wheel body 1. Next, the airbag housing 2 is pressed, causing the four locking blocks 8 to enter the slots 16 through the four grooves 15 respectively. Then, the airbag housing is pressed... Simultaneously, the pressure block 9 presses the return spring 14 inside the pressing groove 13. Then, by rotating the airbag housing 2, the inner side of the bottom groove 10 of the slider 20 slides on the outer side of the mounting block 5, thereby causing the four positioning rods 12 to slide inside the four positioning sleeves 11 respectively. When the pressing of the airbag housing 2 stops, the return spring 14 is lifted up, further driving the four locking blocks 8 to abut against the inner side of the locking groove 16, thereby completing the connection between the airbag housing 2 and the mounting block 5, and thus completing the connection and assembly of the car steering wheel and the airbag.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A connection structure between a car steering wheel and an airbag, comprising a steering wheel body (1), characterized in that: The bottom of the steering wheel body (1) is fixedly connected to a chassis (19). The top of the chassis (19) is provided with a fitting groove (6). A fitting block (17) is slidably connected between the inner walls of the fitting groove (6). A mounting block (5) is fixedly connected to the top of the fitting block (17). A threaded rod (3) is fixedly connected to the bottom of the fitting block (17). A pressing groove (13) and four grooves (15) are provided on the top of the mounting block (5). A slot (16) is provided on the outer side of the mounting block (5). A slider (20) is slidably connected to the outer side of the mounting block (5). Four positioning rods (12) are fixedly connected to the top of the mounting block (5). An airbag housing (2) is fixedly connected to the top of the slider (20). A sliding groove (10) is provided at the bottom of the slider (20).

2. The connection structure between a car steering wheel and an airbag according to claim 1, characterized in that: A pressure block (9) and four positioning sleeves (11) are fixedly connected at the bottom of the airbag housing (2) and between the inner wall of the slide groove (10). The inner sides of the four positioning sleeves (11) are slidably connected to the outer sides of the four positioning rods (12). A return spring (14) is fixedly connected between the pressure block (9) and the bottom of the inner side of the pressing groove (13). The outer side of the pressure block (9) is slidably connected to the inner side of the pressing groove (13).

3. The connection structure between a car steering wheel and an airbag according to claim 1, characterized in that: Four locking blocks (8) are fixedly connected between the inner walls of the slide groove (10). One side of each of the four locking blocks (8) is slidably connected to the inner side of the four grooves (15), and one side of each of the four locking blocks (8) is slidably connected to the inner side of the slot (16).

4. The connection structure between a car steering wheel and an airbag according to claim 1, characterized in that: The inner side of the fitting groove (6) is provided with a through hole (7).

5. The connection structure between a car steering wheel and an airbag according to claim 4, characterized in that: The outer side of the threaded rod (3) is slidably connected to the inner side of the through hole (7), and the bottom end of the threaded rod (3) extends through to the bottom of the chassis (19).

6. The connection structure between a car steering wheel and an airbag according to claim 5, characterized in that: The outer side of the threaded rod (3) is threadedly connected to a fastening sleeve (18), and a baffle (4) is fixedly connected to the outer side of the fastening sleeve (18). The top of the baffle (4) abuts against the bottom of the chassis (19).

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