Lightweight seat framework provided with safety air bag support
By adopting a lightweight seat skeleton with mesh structure, combined with the design of the central armrest installation part and reinforced steel wire, the problem of insufficient structural strength and safety in the lightweight process of the rear seat skeleton in the prior art is solved, the lightweight and high strength of the skeleton are achieved, and the safety of the entire vehicle is improved by equipped with airbags.
Patent Information
- Application Number
- CN202422337814.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-09-25
AI Technical Summary
While pursuing lightweight, the existing rear seat skeleton is difficult to ensure structural strength and vehicle safety, especially in the face of traffic accidents, the protection of rear passengers is insufficient.
The lightweight seat skeleton with mesh structure is connected by the central armrest installation part, a headrest installation bracket and an airbag bracket are installed, and a design such as reinforced steel wire and noise-proof felt is used to improve the connection strength and stability of the skeleton, and at the same time, airbags are equipped to improve the safety of the entire vehicle.
The seat skeleton is lightweight, reduces energy consumption, and ensures the structural strength of the skeleton. The safety of the entire vehicle is improved by equipping airbags and effectively protects the rear passengers.
Smart Images
Figure CN222905362U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle seats, and particularly relates to a lightweight seat frame equipped with a safety airbag bracket. Background Art
[0002] As a basic installation component of the rear seat, the rear seat frame has the functions of bearing the load of the entire seat, transmitting torque, and ensuring the stability of the seat. At the same time, the seat frame is also an installation carrier for other components on the seat, and the strength and safety of the seat frame have a great impact on the safety of the whole vehicle.
[0003] Today, with the increasing number of passenger cars, reducing the weight of the whole vehicle can improve fuel utilization efficiency, reduce energy consumption, and thus alleviate environmental pollution and reduce energy waste. As the component with the largest mass ratio in the rear seat, reducing the mass of the rear seat frame plays a very important role in the lightweight of the rear seat. In addition, with the expansion of the passenger car market, the proportion of rear passengers injured in various safety accidents is also gradually increasing. Therefore, it is necessary to improve the protection of the personal safety of rear passengers and reduce the impact hazard suffered by rear passengers on the side in traffic accidents. Therefore, it is necessary to improve the structure of the rear seat frame of the existing technology. Summary of the Utility Model
[0004] The utility model aims at the above problems and provides a lightweight seat frame equipped with a safety airbag bracket, which can effectively reduce the weight of the seat frame by using a mesh structure, realize the lightweight of the frame, reduce energy consumption, ensure the structural strength of the frame, and be equipped with a safety airbag to improve the safety of the whole vehicle.
[0005] The technical solution adopted by the utility model is as follows: The lightweight seat frame equipped with a safety airbag bracket includes a left mesh support frame and a right mesh support frame, and is characterized in that: the left mesh support frame and the right mesh support frame are connected by a central armrest mounting part located between them. An upper part of the central armrest mounting part is provided with a central armrest backrest mounting bracket, and a lower part of the central armrest mounting part is provided with a central armrest bottom plate mounting bracket. And both sides of the central armrest mounting part are respectively provided with central armrest side limiting stamping parts; the lower ends of the outsides of the left mesh support frame and the right mesh support frame are respectively provided with frame mounting brackets, and frame mounting hole gaskets are arranged at mounting holes at the lower parts of the frame mounting brackets; two groups of symmetrically arranged headrest mounting brackets are respectively arranged at the upper parts of the fronts of the left mesh support frame and the right mesh support frame, and two groups of symmetrically arranged safety airbag brackets are respectively arranged at the side parts of the fronts of the left mesh support frame and the right mesh support frame.
[0006] The headrest mounting bracket includes a bent bottom plate of the headrest frame. On the front side of the bent bottom plate of the headrest frame, there are two groups of vertically arranged headrest mounting ducts that are symmetric left and right. In the middle of the front side wall of the headrest mounting duct, there is a headrest guide rail buckle hole for engaging with the buckle on the headrest guide rail. And at the lower part of the bent bottom plate of the headrest frame, there are two groups of welding positioning holes. Between the two groups of headrest mounting ducts and in the middle of the bent bottom plate of the headrest frame, there are also bottom plate weight reduction holes. The bent bottom plate of the headrest frame is used to weld the headrest mounting bracket to the mesh support skeleton, and the two headrest guide rails of the seat headrest are respectively inserted into the corresponding two headrest mounting ducts on the headrest mounting bracket. And through the cooperation and engagement of the buckle on the headrest guide rail and the headrest guide rail buckle hole on the headrest mounting duct, the installation position of the seat headrest is restricted.
[0007] The airbag bracket includes an airbag frame bottom plate. On the airbag frame bottom plate, there are airbag mounting holes for installing the airbag. At one end where the airbag connection line is arranged on the airbag frame bottom plate, there is also an airbag wire routing bend. And on the outer side of the airbag frame bottom plate, there is an airbag side baffle for preventing the interference of the foam. The airbag frame bottom plate is used to weld the airbag bracket to the side of the mesh support skeleton, and the airbag is installed in the airbag mounting holes on the airbag frame bottom plate. At the same time, the airbag side baffle is used to block the filled foam and prevent interference.
[0008] On the lower sides of the middle parts of the left mesh support skeleton and the right mesh support skeleton, there are respectively routing protrusions that bend backward. On the routing protrusions, there are also safety airbag wire harness fixing steel wires for fixing the airbag connection line. The routing protrusions that bend backward are used to facilitate the arrangement of various connection lines inside the seat skeleton, and the wire harness of the safety airbag is fixed on the safety airbag wire harness fixing steel wire through a buckle.
[0009] On the routing protrusion, there is noise-proof felt. The noise-proof felt pasted at the position of the routing protrusion on the skeleton is used to effectively prevent the abnormal noise generated by the skeleton knocking against the vehicle body.
[0010] Above and below the central armrest mounting part between the left mesh support skeleton and the right mesh support skeleton, there are respectively an upper skeleton strengthening wire and a lower skeleton strengthening wire. The upper skeleton strengthening wire and the lower skeleton strengthening wire are used to connect the left mesh support skeleton and the right mesh support skeleton on both sides respectively above and below the central armrest mounting part, thereby increasing the connection strength of the skeleton.
[0011] On the side of the skeleton mounting bracket, there is a mounting bracket strengthening wire. To strengthen the strength of the skeleton mounting bracket and improve the stability and strength of the seat.
[0012] Advantages of the present utility model: Since the present utility model adopts a structure where a left-side mesh support frame and a right-side mesh support frame are connected by a central armrest mounting part located between them, an upper part of the central armrest mounting part is provided with a central armrest backrest mounting bracket, a lower part of the central armrest mounting part is provided with a central armrest bottom plate mounting bracket, and both sides of the central armrest mounting part are respectively provided with central armrest side limiting stamping parts; lower ends outside the left-side mesh support frame and the right-side mesh support frame are respectively provided with frame mounting brackets, and a frame mounting hole gasket is arranged at a lower part of the frame mounting bracket; upper parts of the front sides of the left-side mesh support frame and the right-side mesh support frame are respectively provided with headrest mounting brackets, and side parts of the front sides of the left-side mesh support frame and the right-side mesh support frame are respectively provided with a structure of a safety airbag bracket. Therefore, its design is reasonable, the structure is compact, the use of the mesh structure effectively reduces the weight of the seat frame, realizes the lightweight of the frame, is beneficial to the lightweight of the whole vehicle, reduces energy consumption, and ensures the structural strength of the frame, and can be equipped with a safety airbag to improve the safety of the whole vehicle. Brief Description of the Drawings
[0013] Figure 1 is a structural schematic diagram of the present utility model.
[0014] Figure 2 is Figure 1 the view from direction A of
[0015] Figure 3 is Figure 1 a structural schematic diagram of the headrest mounting bracket in
[0016] Figure 4 is Figure 1 a structural schematic diagram of the safety airbag bracket in
[0017] Explanation of the numbers in the figures: 1 left-side mesh support frame, 2 right-side mesh support frame, 3 central armrest bottom plate mounting bracket, 4 central armrest backrest mounting bracket, 5 central armrest mounting part, 6 central armrest side limiting stamping part, 7 upper reinforcing wire of the frame, 8 lower reinforcing wire of the frame, 9 frame mounting bracket, 10 frame mounting hole gasket, 11 reinforcing wire of the mounting bracket, 12 headrest mounting bracket, 13 safety airbag bracket, 14 wire routing protrusion, 15 noise-proof felt, 16 safety airbag wiring harness fixing wire, 17 bent bottom plate of the headrest frame, 18 headrest mounting conduit, 19 headrest guide rail buckle hole, 20 bottom plate weight reduction hole, 21 welding positioning hole, 22 bottom plate of the airbag bracket, 23 side baffle of the airbag, 24 airbag wire routing bend, 25 airbag mounting hole. Detailed Embodiment
[0018] According to Figures 1 to 4Describe in detail the specific structure of the present utility model. The lightweight seat frame equipped with an airbag bracket includes a left reticulated support frame 1 and a right reticulated support frame 2. The left reticulated support frame 1 and the right reticulated support frame 2 are connected by a central armrest mounting portion 5 located between them. The central armrest mounting portion 5 is used for mounting the central armrest of the rear seat. At the upper part of the central armrest mounting portion 5, there is a central armrest backrest mounting bracket 4 for mounting the central armrest backrest. It is positioned and installed by bolts through the positioning holes at the upper end of the central armrest backrest mounting bracket 4, and the buckle of the central armrest backrest is snapped into the square hole of the central armrest backrest mounting bracket 4. At the lower part of the central armrest mounting portion 5, there is a central armrest bottom plate mounting bracket 3 for mounting the central armrest bottom plate. It is installed by the positioning nut on the bracket, and the buckle on the central armrest bottom plate is snapped into the square hole on the central armrest bottom plate mounting bracket 3. Moreover, on both sides of the central armrest mounting portion 5, there are respectively central armrest side limit stamping parts 6, so as to limit the central armrest left and right, and use the side limit stamping parts to tighten the skin on the left and right frames, making the skin at the positions of the left and right frames and the central armrest more fitting.
[0019] At the lower ends outside the left reticulated support frame 1 and the right reticulated support frame 2, there are respectively skeleton mounting brackets 9 for seat positioning and installation; at the mounting holes at the lower part of the skeleton mounting bracket 9, there are skeleton mounting hole gaskets 10, and then during the installation of the rear seat, it is positioned and installed through this position, and the setting of the skeleton mounting hole gaskets 10 can increase the strength during installation. On the side of the skeleton mounting bracket 9, there is also an installation bracket reinforcing wire 11 to strengthen the strength of the skeleton mounting bracket 9 and improve the stability and strength of the seat. Between the left reticulated support frame 1 and the right reticulated support frame 2, above and below the central armrest mounting portion 5, there are respectively a skeleton upper reinforcing wire 7 and a skeleton lower reinforcing wire 8. Thus, by using the skeleton upper reinforcing wire 7 and the skeleton lower reinforcing wire 8, the left reticulated support frame 1 and the right reticulated support frame 2 on both sides are respectively connected above and below the central armrest mounting portion 5 to increase the connection strength of the skeleton.
[0020] At the upper part of the front side of the middle position between the left mesh support frame 1 and the right mesh support frame 2, there are also provided two sets of symmetrically arranged headrest mounting brackets 12. The headrest mounting bracket 12 is composed of a headrest frame bending bottom plate 17. On the front side of the headrest frame bending bottom plate 17, there are provided two sets of headrest mounting ducts 18 arranged symmetrically left and right and vertically. In the middle of the front side wall of the headrest mounting duct 18, there is a headrest guide rail snap hole 19 for engaging with the snap on the headrest guide rail; and at the lower part of the headrest frame bending bottom plate 17, there are provided two sets of welding positioning holes 21. Between the two sets of headrest mounting ducts 18 and in the middle of the headrest frame bending bottom plate 17, there is also provided a bottom plate weight reduction hole 20. Furthermore, the headrest mounting bracket 12 is welded to the mesh support frame by the headrest frame bending bottom plate 17, and the two headrest guide rails of the seat headrest are respectively inserted into the corresponding two headrest mounting ducts 18 on the headrest mounting bracket 12, and the installation position of the seat headrest is restricted by the cooperation and engagement of the snap on the headrest guide rail and the headrest guide rail snap hole 19 on the headrest mounting duct 18.
[0021] In addition, at the side parts of the front sides of the left mesh support frame 1 and the right mesh support frame 2, there are respectively provided two sets of symmetrically arranged airbag brackets 13. The airbag bracket 13 is composed of an airbag frame bottom plate 22. On the airbag frame bottom plate 22, there are airbag mounting holes 25 for installing the airbag; there are two airbag mounting holes 25, one is a round hole and the other is an oblong hole, which is convenient for adjustment during the installation process. And, at one end where the airbag connecting wire is arranged on the airbag frame bottom plate 22, there is also provided an airbag wire routing bend 24, and on the outside of the airbag frame bottom plate 22, there is an airbag side baffle 23 for preventing interference from the foam. So that the airbag bracket 13 is welded to the side part of the mesh support frame by the airbag frame bottom plate 22, the airbag is installed on the airbag mounting holes 25 of the airbag frame bottom plate 22, and the connecting wire of the airbag is supported by the airbag wire routing bend 24. The structure form without sharp corners through bending treatment is used to avoid damage to the connecting wire by the sharp corners, and the airbag connecting wire comes from this position and then runs along the frame. At the same time, the airbag side baffle 23 is used to block the filled foam to prevent interference.
[0022] At the same time, at the lower sides of the middle parts of the left mesh support frame 1 and the right mesh support frame 2, there are respectively provided wire routing protrusions 14 that bend backward for wire arrangement, and on the wire routing protrusions 14, there are also provided airbag wire harness fixing steel wires 16 for fixing the airbag connecting wire. Furthermore, by using the wire routing protrusions 14 that bend backward, it is convenient for the arrangement of various connecting wires inside the seat frame, and the wire harness of the airbag is fixed on the airbag wire harness fixing steel wire 16 by a snap. Moreover, there is also provided noise-proof felt 15 on the wire routing protrusions 14, so that the noise-proof felt 15 pasted at the position of the wire routing protrusions 14 on the frame can effectively prevent the abnormal noise generated by the frame bumping against the vehicle body.
[0023] When the lightweight seat frame equipped with an airbag bracket is in use, the mesh structures of the left mesh support frame 1 and the right mesh support frame 2 effectively reduce the weight of the seat frame. Moreover, the upper reinforcing wire 7 and the lower reinforcing wire 8 on the frame are respectively connected to the left mesh support frame 1 and the right mesh support frame 2 on both sides above and below the central armrest mounting part 5, thereby increasing the connection strength of the frame. At the same time, the mounting bracket reinforcing wire 11 provided on the side of the frame mounting bracket 9 for the rear seat positioning and mounting can strengthen the strength of the frame mounting bracket 9 and improve the stability and strength of the seat. In addition, the two headrest guide rails of the seat headrest can be respectively inserted into the two headrest mounting ducts 18 of the headrest mounting bracket 12, and are clamped through the cooperation of the buckle on the headrest guide rail and the headrest guide rail buckle hole 19 on the headrest mounting duct 18 to limit the mounting position of the seat headrest. Additionally, the airbag can be installed on the airbag bracket 13 of the seat frame, and the airbag wire routing bend 24 is used to support the connection wire of the airbag to avoid damage to the connection wire by sharp corners; and the airbag side baffle 23 is used to block the filling foam and prevent interference, improving the reliability of use.
Claims
1. A lightweight seat frame equipped with an airbag bracket, comprising a left mesh support frame (1) and a right mesh support frame (2), characterized in that: The left mesh support frame (1) and the right mesh support frame (2) are connected via a central armrest mounting portion (5) located therebetween; a central armrest back panel mounting bracket (4) is provided at the upper portion of the central armrest mounting portion (5); a central armrest bottom panel mounting bracket (3) is provided at the lower portion of the central armrest mounting portion (5); and central armrest side limit stamping parts (6) are provided on both sides of the central armrest mounting portion (5); a frame mounting bracket (9) is provided at the lower end of the outer side of the left mesh support frame (1) and the right mesh support frame (2); a frame mounting hole gasket (10) is provided at the mounting hole at the lower portion of the frame mounting bracket (9); two groups of headrest mounting brackets (12) arranged symmetrically are provided at the upper portion of the front side of the left mesh support frame (1) and the right mesh support frame (2); and two groups of airbag brackets (13) arranged symmetrically are provided at the side portions of the front side of the left mesh support frame (1) and the right mesh support frame (2).
2. The lightweight seat frame equipped with an airbag bracket according to claim 1, characterized in that: The headrest mounting bracket (12) comprises a headrest frame bent bottom plate (17), two groups of headrest mounting conduits (18) arranged symmetrically and vertically are arranged on the front side of the headrest frame bent bottom plate (17), a headrest guide rail buckle clamping hole (19) for clamping with a buckle on the headrest guide rail is arranged in the middle of the front side wall of the headrest mounting conduit (18), and two groups of welding positioning holes (21) are arranged at the lower part of the headrest frame bent bottom plate (17); a bottom plate weight reduction hole (20) is also arranged between the two groups of headrest mounting conduits (18) and in the middle of the headrest frame bent bottom plate (17).
3. The lightweight seat frame equipped with an airbag bracket according to claim 1, characterized in that: The safety airbag bracket (13) comprises an airbag bracket bottom plate (22), the airbag bracket bottom plate (22) being provided with an airbag mounting hole (25) for mounting an airbag, an airbag routing bend (24) being provided at one end of the airbag bracket bottom plate (22) where an airbag connecting line is arranged, and an airbag side baffle (23) for preventing interference from foam is provided on the outer side of the airbag bracket bottom plate (22).
4. The lightweight seat frame equipped with an airbag bracket according to claim 1, characterized in that: A wiring protrusion (14) bent backwards is respectively provided on the lower side of the middle part of the left mesh support frame (1) and the right mesh support frame (2), and a safety airbag harness fixing steel wire (16) for fixing the airbag connecting wire is also provided on the wiring protrusion (14).
5. The lightweight seat frame equipped with an airbag bracket according to claim 4, characterized in that: The wiring protrusion (14) is provided with a noise-proof felt (15).
6. The lightweight seat frame equipped with an airbag bracket according to claim 1, characterized in that: An upper frame reinforcement steel wire (7) and a lower frame reinforcement steel wire (8) are respectively arranged between the left mesh support frame (1) and the right mesh support frame (2), and above and below the central armrest mounting portion (5).
7. The lightweight seat frame equipped with an airbag bracket according to claim 1, characterized in that: A mounting bracket reinforcing steel wire (11) is provided on the side of the skeleton mounting bracket (9).