Guiding assembly of automotive safety air bag

Abstract

The utility model discloses a guiding assembly of a vehicle safety air bag, and relates to the technical field of safety air bags, the guiding assembly comprises a guiding outer shell, an air bag placing groove is formed in the inner side of the guiding outer shell, a safety air bag is arranged on the inner side of the air bag placing groove, and penetrating grooves are formed in the front end and the rear end of the guiding outer shell; by means of the design of the through grooves, when the safety air bag is inflated and expanded, the through grooves are filled with the safety air bag firstly, the second cover plate is jacked up to extrude the first stress ball, the first rack is driven to move, the first rack is driven to move, and the safety air bag is fixed to the guide outer shell through the second cover plate, so that the safety air bag is fixed to the guide outer shell, and the safety air bag is fixed to the guide outer shell. The first gear is rotated, the first clamping plate slides downwards in the inner cavity of the mounting groove under the guidance of the first guide rod, the part, expanding into the penetrating groove, of the safety air bag is clamped, the safety air bag is effectively prevented from flying out of the air bag containing groove, and reliable protection is provided for a driver and passengers.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of safety air bag, especially a guide assembly of vehicle safety air bag. BACKGROUND

[0002] In the field of automobile safety, as an important passive safety device, the safety air bag can provide effective buffer protection for the driver and passenger when the vehicle collides.

[0003] The existing guide assembly of vehicle safety air bag lacks effective fixation and guidance of the safety air bag when the safety air bag is deployed, which leads to deviation and flying out of the safety air bag during the deployment process, and the safety air bag cannot accurately protect the driver and passenger, thereby reducing the use effect and reliability of the safety air bag. In addition, the cover plate design of some guide assemblies is not perfect. After the cover plate is opened by the safety air bag, the cover plate may fly out due to collision, causing secondary injury to the passengers in the vehicle and posing a great safety hazard. In order to solve the above problems, the utility model provides a guide assembly of vehicle safety air bag. SUMMARY

[0004] The main purpose of the utility model is to provide a guide assembly of vehicle safety air bag, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that:

[0006] A guide assembly of vehicle safety air bag, comprising a guide outer shell, a safety air bag is arranged in the air bag placing groove, a through groove is arranged at the front and rear ends of the guide outer shell, the through grooves are communicated with the inner cavity of the air bag placing groove, an installation groove is arranged on the guide outer shell at the upper end of the through grooves, a clamping assembly is arranged in the installation groove, a first cover plate and a second cover plate are arranged at the upper end of the guide outer shell, a rotating shaft is rotatably connected to the end of the first cover plate and the second cover plate away from each other, and the first cover plate and the second cover plate are rotatably connected to the upper end of the guide outer shell through the corresponding rotating shafts.

[0007] Preferably, an iron plate is fixedly connected to the first cover plate and the second cover plate, two weak magnetic pieces corresponding to the iron plate are fixedly connected to the upper end of the guide outer shell, the iron plate is matched with the weak magnetic piece, and two strong magnetic pieces corresponding to the two iron plates are fixedly connected to the front and rear ends of the guide outer shell, the iron plate is matched with the strong magnetic piece.

[0008] Preferably, the clamping assembly close to the front end comprises a first rack, the first rack is in sliding connection with the guide outer shell, the front end of the first rack is fixedly connected with a first stress ball, the first stress ball is arranged outside the guide outer shell, the outside of the first rack is engaged with a first gear, the first gear is arranged in the inner cavity of the mounting groove, the lower end of the first gear is rotatably connected with a fixed block, and the fixed block is fixedly connected to the inner wall of the mounting groove.

[0009] Preferably, the upper end of the first gear is fixedly connected with a rotating rod, the rotating rod is rotatably connected with the guide outer shell, the lower end of the first gear is fixedly connected with a first lead screw, the first lead screw is rotatably connected with the guide outer shell and the fixed block respectively, the outside of the first lead screw is threadedly connected with a first clamping plate, the first clamping plate is in sliding connection with the inner cavity of the mounting groove, the outside of the first clamping plate is slidably connected with a first guide rod, and the first guide rod is fixedly connected with the guide outer shell.

[0010] Preferably, the clamping assembly close to the rear end comprises a second rack, the second rack is in sliding connection with the guide outer shell, the rear end of the second rack is fixedly connected with a second stress ball, the second stress ball is arranged outside the guide outer shell, the outside of the second rack is engaged with a second gear, the second gear is arranged in the inner cavity of the corresponding mounting groove, the lower end of the second gear is also rotatably connected with a fixed block, and the fixed block is fixedly connected to the inner wall of the mounting groove.

[0011] Preferably, the upper and lower ends of the second gear are fixedly connected with a rotating rod and a second lead screw respectively, the rotating rod and the second lead screw are rotatably connected with the guide outer shell, the outside of the second lead screw is threadedly connected with a second clamping plate, the second clamping plate is arranged in the inner cavity of the corresponding mounting groove, the outside of the second clamping plate is slidably connected with a second guide rod, and the second guide rod is fixedly connected with the guide outer shell.

[0012] Preferably, a telescopic rod is fixedly connected between the first rack and the second rack, a spring is arranged outside the telescopic rod, and the front end and the rear end of the spring are fixedly connected with the first rack and the second rack respectively.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1. The airbag guiding assembly for vehicle, through the through grooves communicated with the airbag placing grooves are arranged on the front and back ends of the guiding outer shell body, and the clamping assembly is arranged, when the airbag is inflated and expanded due to the vehicle collision, the airbag is inflated and filled in the through grooves at first, the first cover plate and the second cover plate are lifted up, the second cover plate is rotated to press the first stress ball, the first rack is driven to move, the first gear is rotated, the first clamping plate is guided by the first guide rod to slide downwards in the installation groove cavity, and the part of the airbag expanded in the through grooves is clamped, in the same way, the first cover plate presses the second stress ball, and the first clamping plate clamps one side of the airbag, so that the airbag is effectively prevented from flying out of the airbag placing groove, the airbag is accurately unfolded, and reliable protection is provided for the driver and passenger.

[0015] 2. The airbag guiding assembly for vehicle, the iron plates are fixedly connected to the first cover plate and the second cover plate, the weak magnetic iron pieces are arranged on the upper end of the guiding outer shell body, and the strong magnetic iron pieces are arranged on the front and back ends, when the vehicle normally runs, the iron plates are adsorbed to the weak magnetic iron pieces, so that the cover plates are closed, when the airbag is unfolded and the cover plates are lifted up due to the vehicle collision, the cover plates are rotated through the rotating shaft, the iron plates are separated from the weak magnetic iron pieces and are adsorbed to the strong magnetic iron pieces, and secondary injury of the cover plates to the people in the vehicle is avoided.

[0016] 3. The airbag guiding assembly for vehicle, the telescopic rod and the spring are fixedly connected between the first rack and the second rack, in the moving process of the first rack and the second rack due to the expansion of the airbag, the telescopic rod plays a guiding role, the spring can buffer the impact force, the stability of the first rack and the second rack in the moving process is improved, the action stability of the clamping assembly is ensured, the parts are prevented from loosening and damaging due to the impact force, and the normal work of the guiding assembly is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the airbag guiding assembly for vehicle.

[0018] Figure 2 It is a partial structure schematic view of the airbag guiding assembly for vehicle. Figure One ;

[0019] Figure 3 It is a partial structure sectional view of the airbag guiding assembly for vehicle.

[0020] Figure 4 It is a partial structure schematic view of the airbag guiding assembly for vehicle. Figure Two ;

[0021] Figure 5 It is an enlarged structure schematic view of the airbag guiding assembly for vehicle.

[0022] In the diagram: 1. Guide housing; 2. Airbag placement slot; 3. Through slot; 4. First cover plate; 5. Second cover plate; 6. Rotating shaft; 7. Iron plate; 8. Weak magnetic magnet; 9. Strong magnetic magnet; 10. Mounting slot; 11. First force-bearing ball; 12. First rack; 13. Telescopic rod; 14. Spring; 15. Rotating rod; 16. First gear; 17. Fixing block; 18. First lead screw; 19. First guide rod; 20. First clamping plate; 21. Second force-bearing ball; 22. Second rack; 24. Second gear; 25. Second lead screw; 26. Second guide rod; 27. Second clamping plate. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1-5 As shown, a guide assembly for a vehicle airbag includes a guide housing 1. An airbag placement groove 2 is provided on the inner side of the guide housing 1, and an airbag is disposed inside the airbag placement groove 2. Through grooves 3 are provided at both the front and rear ends of the guide housing 1, and both through grooves 3 are connected to the inner cavity of the airbag placement groove 2. Mounting grooves 10 are provided on the upper end of both through grooves 3. Corresponding clamping components are provided in the two mounting grooves 10 respectively. A first cover plate 4 and a second cover plate 5 are provided at the upper end of the guide housing 1. Rotating shafts 6 are rotatably connected to the far ends of the first cover plate 4 and the second cover plate 5 respectively. The first cover plate 4 and the second cover plate 5 are rotatably connected to the upper end of the guide housing 1 through corresponding rotating shafts 6.

[0025] In this embodiment, iron plates 7 are fixedly connected to both the first cover plate 4 and the second cover plate 5. Two weak magnetic elements 8 corresponding to the iron plates 7 are fixedly connected to the upper end of the guide housing 1. The iron plates 7 and the weak magnetic elements 8 are compatible. Strong magnetic elements 9 corresponding to the two iron plates 7 are also fixedly connected to the front and rear ends of the guide housing 1. The iron plates 7 and the strong magnetic elements 9 are compatible.

[0026] Specifically, during normal vehicle operation, the airbag is placed in the airbag placement slot 2 inside the guide housing 1. At this time, the first cover plate 4 and the second cover plate 5 are rotatably connected to the upper end of the guide housing 1 via the rotating shaft 6 and are in a closed state. At this time, the iron plates 7 on the first cover plate 4 and the second cover plate 5 are attracted to each other by the weak magnetic element 8 at the upper end of the guide housing 1. When the vehicle is hit, the airbag in the airbag placement slot 2 will lift the first cover plate 4 and the second cover plate 5. At this time, through the rotation of the rotating shaft 6, the iron plates 7 on the first cover plate 4 and the second cover plate 5 will break out of the weak magnetic element 8 and then be attracted to the strong magnetic element 9, preventing the first cover plate 4 and the second cover plate 5 from being thrown away and causing injury to the occupants of the vehicle.

[0027] In the embodiment, the clamping assembly close to the front end comprises a first rack 12, the first rack 12 is in sliding connection with the guide outer shell 1, the front end of the first rack 12 is fixedly connected with a first force ball 11, the first force ball 11 is arranged outside the guide outer shell 1, the outside of the first rack 12 is engaged with a first gear 16, the first gear 16 is arranged in the inner cavity of the mounting groove 10, the lower end of the first gear 16 is rotatably connected with a fixed block 17, the fixed block 17 is fixedly connected to the inner wall of the mounting groove 10, the upper end of the first gear 16 is fixedly connected with a rotating rod 15, the rotating rod 15 is rotatably connected with the guide outer shell 1, the lower end of the first gear 16 is fixedly connected with a first lead screw 18, the first lead screw 18 is rotatably connected with the guide outer shell 1 and the fixed block 17 respectively, the outside of the first lead screw 18 is threadedly connected with a first clamping plate 20, the first clamping plate 20 is in sliding connection in the inner cavity of the mounting groove 10, the outside of the first clamping plate 20 is slidingly connected with a first guide rod 19, and the first guide rod 19 is fixedly connected with the guide outer shell 1.

[0028] Specifically, when the vehicle collides, the airbag will rapidly inflate and expand. At this time, the airbag is in communication with the airbag placing groove 2 through the penetrating groove 3, so that the two sides of the airbag can first expand, and then fill the inner cavity space of the penetrating groove 3. At the same time, the upper end of the airbag will lift the first cover plate 4 and the second cover plate 5. At this time, through the rotation cooperation of the rotating shaft 6, the second cover plate 5 will push away the adsorption of the weak magnet 8, then rotate and press the first force ball 11. At this time, through the adsorption of the strong magnet 9 to the iron plate 7, the first force ball 11 can drive the first rack 12 to move. The movement of the first rack 12 drives the first gear 16 to rotate. Through the guiding cooperation of the first guide rod 19, the first clamping plate 20 can slide downward in the inner cavity of the mounting groove 10, so as to clamp and fix the part of the airbag that expands into the penetrating groove 3, preventing the airbag from flying out of the airbag placing groove 2.

[0029] In the embodiment, the clamping assembly close to the front end comprises a first rack 12, the first rack 12 is in sliding connection with the guide outer shell 1, the front end of the first rack 12 is fixedly connected with a first force ball 11, the first force ball 11 is arranged outside the guide outer shell 1, the outside of the first rack 12 is engaged with a first gear 16, the first gear 16 is arranged in the inner cavity of the mounting groove 10, the lower end of the first gear 16 is rotatably connected with a fixed block 17, the fixed block 17 is fixedly connected to the inner wall of the mounting groove 10, the upper end of the first gear 16 is fixedly connected with a rotating rod 15, the rotating rod 15 is rotatably connected with the guide outer shell 1, the lower end of the first gear 16 is fixedly connected with a first lead screw 18, the first lead screw 18 is rotatably connected with the guide outer shell 1 and the fixed block 17 respectively, the outside of the first lead screw 18 is threadedly connected with a first clamping plate 20, the first clamping plate 20 is in sliding connection in the inner cavity of the mounting groove 10, the outside of the first clamping plate 20 is slidingly connected with a first guide rod 19, and the first guide rod 19 is fixedly connected with the guide outer shell 1.

[0030] Specifically, by the same reasoning, the first cover plate 4 is subjected to an impact force, which will rotate and extrude the second force ball 21, thereby realizing that the second rack 22 drives the second gear 24 to rotate in the inner cavity of the corresponding mounting slot 10. The rotation of the second gear 24 will drive the second lead screw 25 to rotate. At this time, through the guiding cooperation of the second guide rod 26, the second clamping plate 27 is realized to slide downward along the inner cavity of the corresponding mounting slot 10, thereby realizing clamping of one side of the airbag.

[0031] In this embodiment, the first rack 12 and the second rack 22 are fixedly connected with the telescopic rod 13. The telescopic rod 13 is externally sleeved with the spring 14. The front and rear ends of the spring 14 are fixedly connected with the first rack 12 and the second rack 22, respectively.

[0032] Specifically, by the design of the telescopic rod 13 and the spring 14 between the first rack 12 and the second rack 22, the stability of the first rack 12 and the second rack 22 during movement can be improved, and the impact force received by the first rack 12 and the second rack 22 can be buffered, thereby ensuring the stability of the clamping assembly action.

[0033] It needs to be explained that the utility model discloses a kind of guiding components of vehicle safety air bag, during normal driving of vehicle, safety air bag is placed in the air bag placing groove 2 inside the guiding outer shell body 1, at this time, first cover plate 4 and second cover plate 5 are rotatably connected in the upper end of guiding outer shell body 1 by rotating shaft 6, and it is in closed state, at this time, iron plate 7 on first cover plate 4 and second cover plate 5 respectively with weakly attractive iron piece 8 on the upper end of guiding outer shell body 1 are mutually adsorbed, when vehicle collision occurs, safety air bag can be inflated and expand, at this time, by the communication of through slot 3 and air bag placing groove 2, the inflation of safety air bag on both sides can be realized first, then fill the inner cavity space of through slot 3, simultaneously, the upper end of safety air bag will lift first cover plate 4 and second cover plate 5, at this time, by the rotation cooperation of rotating shaft 6, second cover plate 5 will break out the adsorption of weakly attractive iron piece 8 and then rotate extrusion first stress ball 11, at this time, by the adsorption of strong attractive iron piece 9 to iron plate 7, first stress ball 11 can be realized to drive first rack 12 to move, first rack 12 moves and can drive first gear 16 to rotate, by the guiding cooperation of first guide rod 19, first clamping plate 20 can be realized to slide down in the inner cavity of mounting groove 10, and the part of safety air bag that expands to through slot 3 is clamped, similarly, first cover plate 4 is impacted, and will rotate extrusion second stress ball 21, and then realize that second rack 22 drives second gear 24 rotates in the inner cavity of corresponding mounting groove 10, by the rotation of second gear 24, second lead screw 25 is driven to rotate, at this time, by the guiding cooperation of second guide rod 26, second clamping plate 27 is realized to slide down along the inner cavity of corresponding mounting groove 10, and the clamping of one side of safety air bag is realized, by the design of telescopic rod 13 and spring 14 between first rack 12 and second rack 22, the stability of first rack 12 and second rack 22 when moving can be improved, and the impact force received by first rack 12 and second rack 22 is buffered, the stability of clamping assembly action is guaranteed, and it is more practical.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guiding assembly for a vehicle airbag, comprising a guiding outer housing (1), characterized in that: The inner side of the guide outer shell (1) is provided with an air bag placing groove (2), the inner side of the air bag placing groove (2) is provided with a safety air bag, the front and rear ends of the guide outer shell (1) are provided with penetrating grooves (3), the two penetrating grooves (3) are communicated with the inner cavity of the air bag placing groove (2), the upper ends of the two penetrating grooves (3) are provided with mounting grooves (10) opened on the guide outer shell (1), the two mounting grooves (10) are respectively provided with corresponding clamping assemblies, the upper end of the guide outer shell (1) is provided with a first cover plate (4) and a second cover plate (5), the distal ends of the first cover plate (4) and the second cover plate (5) are rotatably connected with rotating shafts (6), and the first cover plate (4) and the second cover plate (5) are rotatably connected with the upper end of the guide outer shell (1) through the corresponding rotating shafts (6).

2. The airbag guide assembly according to claim 1, wherein: The first cover plate (4) and the second cover plate (5) are fixedly connected with iron plates (7), the upper end of the guide outer shell (1) is fixedly connected with two weak magnetic pieces (8) corresponding to the iron plates (7), the iron plates (7) are matched with the weak magnetic pieces (8), and the front and rear ends of the guide outer shell (1) are also fixedly connected with strong magnetic pieces (9) corresponding to the two iron plates (7).

3. The airbag guide assembly according to claim 1, wherein: The clamping assembly close to the front end comprises a first rack (12), the first rack (12) is slidably connected with the guide outer shell (1), the front end of the first rack (12) is fixedly connected with a first stress ball (11), the first stress ball (11) is arranged on the outer side of the guide outer shell (1), the outer side of the first rack (12) is engaged with a first gear (16), the first gear (16) is arranged in the inner cavity of the mounting groove (10), and the lower end of the first gear (16) is rotatably connected with a fixed block (17).

4. The airbag guide assembly according to claim 3, wherein: The upper end of the first gear (16) is fixedly connected with a rotating rod (15), the rotating rod (15) is rotatably connected with the guide outer shell (1), the lower end of the first gear (16) is fixedly connected with a first lead screw (18), the first lead screw (18) is rotatably connected with the guide outer shell (1) and the fixed block (17) respectively, the outer side of the first lead screw (18) is threadedly connected with a first clamping plate (20), the first clamping plate (20) is slidably connected in the inner cavity of the mounting groove (10), the outer side of the first clamping plate (20) is slidably connected with a first guide rod (19), and the first guide rod (19) is fixedly connected with the guide outer shell (1).

5. The airbag guide assembly according to claim 3, wherein: The clamping assembly close to the rear end comprises a second rack (22) which is in sliding connection with the guide outer shell (1), the rear end of the second rack (22) is fixedly connected with a second force ball (21), the second force ball (21) is arranged on the outer side of the guide outer shell (1), the outer side of the second rack (22) is engaged with a second gear (24), the second gear (24) is arranged in the inner cavity of the corresponding mounting groove (10), the lower end of the second gear (24) is also rotatably connected with a fixed block (17), the fixed block (17) is fixedly connected on the inner wall of the mounting groove (10).

6. An airbag guide assembly for a vehicle according to claim 5, wherein: The upper and lower ends of the second gear (24) are fixedly connected with a rotating rod (15) and a second lead screw (25) respectively, the rotating rod (15) and the second lead screw (25) are rotatably connected with the guide outer shell (1), the outer side of the second lead screw (25) is threadedly connected with a second clamping plate (27), the second clamping plate (27) is arranged in the inner cavity of the corresponding mounting groove (10), the outer side of the second clamping plate (27) is in sliding connection with a second guide rod (26), the second guide rod (26) is fixedly connected with the guide outer shell (1).

7. The airbag guide assembly according to claim 5, wherein: The first rack (12) and the second rack (22) are fixedly connected with an extension rod (13), the outer side of the extension rod (13) is sleeved with a spring (14), the front and rear ends of the spring (14) are fixedly connected with the first rack (12) and the second rack (22) respectively.

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