Connecting structure for rear-row seat, child seat and fixing support

Abstract

The utility model relates to the field of automobile seat connecting structures, in particular to a rear-row seat child seat fixing support connecting structure. Comprising a vehicle body fixing plate and a seat framework, a mounting plate is mounted on the lower surface of the vehicle body fixing plate, a connecting belt is mounted in the mounting plate, a plurality of mounting holes are formed in the surface of the vehicle body fixing plate, an ISOFIX fixing sheet metal part is fixedly connected to one side of the vehicle body fixing plate, and an L-shaped mounting support is mounted on one side of the ISOFIX fixing sheet metal part; a screw hole is formed in one side of the short arm end of the L-shaped mounting bracket, an ISOFIX reinforcer is fixedly connected to the arc surface of the seat framework, a screw hole is formed in the surface of the ISOFIX reinforcer, and a holding ring is fixedly connected to the outer wall of the seat framework. The connecting structure for the fixing support of the rear-row seat and the child seat has the advantages that ISOFIX steel wires can be quickly mounted, positioned and welded, the assembling time of operators can be saved, and the assembling efficiency can be improved; the stress of the ISOFIX steel wire is improved, and the length of a welding spot can be effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of automotive seat connection structures, and more particularly to a connection structure for fixing child seats in the rear seats. Background Art

[0002] Child seats are an important tool for protecting children when riding in vehicles. They need to be secured to the car seat with the help of a bracket.

[0003] Document CN218316373U discloses a rear seat backrest frame for automobiles. The key technical points are as follows: it mainly consists of an integral back panel, a left-side foot bracket, a right-side foot bracket, a backrest lock, a vehicle body latch, an upper child seat fixing component, and two lower child seat fixing components. The left and right foot brackets are installed on the lower left and right sides of the integral back panel and are rotatably connected to it. The lower parts of the left and right foot brackets are connected to the vehicle body. The backrest lock is fixed to one side of the upper part of the integral back panel, and the vehicle body latch is connected to the backrest lock. The upper child seat fixing component and the two lower child seat fixing components form a child seat fixing structure, which is assembled onto the integral back panel. This utility model of a rear seat backrest frame for automobiles can effectively reduce weight, by more than 15% compared to existing structures, while reducing the number of welds by 95%.

[0004] The above solution also has the following technical defects: the existing child seat installation structure is relatively bulky and complex, and the connection between the child seat's locking hook and the seat mounting bracket has insufficient strength. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a rear seat child seat fixing bracket connection structure.

[0006] To solve the above-mentioned technical problems, this utility model provides a rear seat child seat fixing bracket connection structure, including: a vehicle body fixing plate and a seat frame. A mounting plate is installed on the lower surface of the vehicle body fixing plate, and a connecting strap is installed inside the mounting plate. Several mounting holes are formed on the surface of the vehicle body fixing plate. An ISOFIX fixing sheet metal part is fixedly connected to one side of the vehicle body fixing plate. An L-shaped mounting bracket is installed on one side of the ISOFIX fixing sheet metal part. A screw hole is formed on one side of the short arm end of the L-shaped mounting bracket. An ISOFIX reinforcing member is fixedly connected to the arc surface of the seat frame. A screw hole is formed on the surface of the ISOFIX reinforcing member. A grip ring is fixedly connected to the outer wall of the seat frame. Two connecting rings are fixedly connected to the outer wall of the seat frame. A fixing tube is installed on the outer wall of the seat frame.

[0007] The aforementioned components achieve the following effects: After the ISOFIX fixing sheet metal parts are welded together with ISOFIX steel wires through guide positioning holes, they are then welded to the backrest frame assembly and ISOFIX reinforcements to form a backrest frame assembly. An L-shaped mounting bracket is then fixed to the frame assembly, and the backrest assembly is assembled onto the vehicle body. This overall structure achieves two effects: firstly, the rapid installation and positioning welding of ISOFIX steel wires saves assembly time for workers and improves assembly efficiency; secondly, it increases the stress on the ISOFIX steel wires, effectively reducing the length of weld points.

[0008] Preferably, the inner wall of the screw hole on the ISOFIX reinforcement is threaded with an expansion bolt, and the expansion bolt is threadedly connected to the screw hole on the ISOFIX fixed sheet metal part.

[0009] The effect achieved by the above components is that the expansion bolts can connect the ISOFIX reinforcement and the ISOFIX fixed sheet metal parts, thereby providing a rotational support point for the seat frame.

[0010] Preferably, two ISOFIX fixing holes are provided on one side of the ISOFIX fixing sheet metal part, and ISOFIX steel wires are passed through the inner wall of the ISOFIX fixing holes.

[0011] The effect achieved by the above components is as follows: after the guide positioning holes on the ISOFIX fixed sheet metal parts are opened and welded together with the ISOFIX steel wires, they are then welded to the backrest frame assembly and ISOFIX reinforcements to form a backrest frame assembly. Then, the L-shaped mounting bracket is fixed on the frame assembly to form the backrest assembly and assemble it onto the vehicle body.

[0012] Preferably, the inner wall of the seat frame is fixedly connected to two steel pipes.

[0013] The effect achieved by the above components is that the steel pipe can improve the overall strength of the seat frame.

[0014] Preferably, the inner wall of the seat frame is fixedly connected with several reinforcing ribs.

[0015] Preferably, the arc surface of the reinforcing rib is fixedly connected to a mounting base.

[0016] The effect achieved by the above components is that the mounting base can provide a mounting point for the seat cushion, thereby improving the practicality of the rear seat child seat fixing bracket connection structure.

[0017] Preferably, the cross-section of the long arm end of the ISOFIX fixing sheet metal part is arc-shaped, and the inner wall of the long arm end of the ISOFIX fixing sheet metal part is rotatably connected to the seat frame.

[0018] The effect achieved by the above components is that by setting the cross-section of the ISOFIX fixing plate long arm end to an arc shape, the stability of the seat frame during rotation can be improved.

[0019] Beneficial Effects: This utility model provides a rear seat child seat fixing bracket connection structure. After the ISOFIX fixing sheet metal part is welded to ISOFIX steel wire through guide positioning holes, it is then welded to the backrest frame assembly and ISOFIX reinforcement to form a backrest frame assembly. An L-shaped mounting bracket is then fixed to the frame assembly, and the backrest assembly is assembled onto the vehicle body. This overall structure achieves two effects: firstly, the rapid installation and positioning welding of ISOFIX steel wire saves assembly time for workers and improves assembly efficiency; secondly, it increases the stress on the ISOFIX steel wire, effectively reducing weld length. Expansion bolts connect the ISOFIX reinforcement and the ISOFIX fixing sheet metal part, providing a rotational support point for the seat frame. Additionally, the steel pipe improves the overall strength of the seat frame, and the mounting bracket provides an installation point for the seat cushion, thus improving the practicality of the rear seat child seat fixing bracket connection structure. Finally, by setting the cross-section of the long arm end of the ISOFIX fixing sheet metal to an arc shape, the stability of the seat frame during rotation can be improved. Attached Figure Description

[0020] Figure 1 A schematic diagram of the connection structure for the rear seat child seat fixing bracket provided by this utility model;

[0021] Figure 2 for Figure 1 The diagram shows a partial structure.

[0022] Figure 3 for Figure 1 The diagram shows a partial structural disassembly.

[0023] Figure 4 for Figure 1 The diagram shows the connecting strip structure.

[0024] The following are the labels in the diagram: 1. Body mounting plate; 2. Seat frame; 3. Steel pipe; 4. Reinforcing rib; 5. Handle ring; 6. Connecting ring; 7. ISOFIX reinforcement; 8. L-shaped mounting bracket; 9. ISOFIX steel wire; 10. ISOFIX fixed sheet metal part; 11. ISOFIX mounting hole; 12. Expansion bolt; 13. Fixing tube; 14. Mounting plate; 15. Connecting strap; 16. Mounting base; 17. Mounting hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0027] Please see Figures 1 to 4 The rear seat child seat fixing bracket connection structure provided in this embodiment includes: a vehicle body fixing plate 1 and a seat frame 2. A mounting plate 14 is installed on the lower surface of the vehicle body fixing plate 1, and a connecting strap 15 is installed inside the mounting plate 14. Several mounting holes 17 are formed on the surface of the vehicle body fixing plate 1. An ISOFIX fixing sheet metal part 10 is fixedly connected to one side of the vehicle body fixing plate 1. An L-shaped mounting bracket 8 is installed on one side of the ISOFIX fixing sheet metal part 10. A screw hole is formed on one side of the short arm end of the L-shaped mounting bracket 8. An ISOFIX reinforcing member 7 is fixedly connected to the arc surface of the seat frame 2. A screw hole is formed on the surface of the ISOFIX reinforcing member 7. A connecting strap 15 is fixedly connected to the outer wall of the seat frame 2. The outer wall of the seat frame 2 is fixedly connected to the grip ring 5 and two connecting rings 6. The outer wall of the seat frame 2 is equipped with a fixing tube 13. After being welded to the ISOFIX steel wire 9 through the guide positioning hole on the ISOFIX fixing sheet metal part 10, it is then welded to the backrest frame assembly and the ISOFIX reinforcement 7 to form a backrest frame assembly. Then, the L-shaped mounting bracket 8 is fixed on the frame assembly to form the backrest assembly and assemble it onto the vehicle body. By setting the overall structure, two effects are achieved: first, the ISOFIX steel wire 9 can be quickly installed, positioned, and welded, which can save the assembly time of the operator and improve the assembly efficiency; second, the stress on the ISOFIX steel wire 9 can be increased, which can effectively reduce the length of the weld point.

[0028] In the embodiments of this utility model, please refer to Figure 1 and Figure 4An expansion bolt 12 is threaded onto the inner wall of the screw hole on the ISOFIX reinforcement 7. The expansion bolt 12 is threaded onto the screw hole on the ISOFIX fixing sheet metal part 10. The expansion bolt 12 can connect the ISOFIX reinforcement 7 and the ISOFIX fixing sheet metal part 10, thereby providing a rotational support point for the seat frame 2. Two ISOFIX fixing holes 11 are opened on one side of the ISOFIX fixing sheet metal part 10. ISOFIX steel wires 9 are threaded through the inner wall of the ISOFIX fixing holes 11. After being welded to the ISOFIX steel wires 9 through the guide positioning holes on the ISOFIX fixing sheet metal part 10, it is then welded to the backrest frame assembly and the ISOFIX reinforcement 7 to form a backrest frame assembly. The L-shaped mounting bracket 8 is fixed to the frame assembly to form the backrest assembly, which is then assembled onto the vehicle body. Two steel pipes 3 are fixedly connected to the inner wall of the seat frame 2. The steel pipes 3 can improve the overall strength of the seat frame 2. Several reinforcing ribs 4 are fixedly connected to the inner wall of the seat frame 2. The arc surface of the reinforcing ribs 4 is fixedly connected to the mounting seat 16. The mounting seat 16 can provide mounting points for the seat cushion, thereby improving the practicality of the connection structure of the rear seat child seat fixing bracket. The cross-section of the long arm end of the ISOFIX fixing sheet metal part 10 is arc-shaped. The inner wall of the long arm end of the ISOFIX fixing sheet metal part 10 is rotatably connected to the seat frame 2. By setting the cross-section of the long arm end of the ISOFIX fixing sheet metal part to an arc shape, the stability of the seat frame 2 during rotation can be improved.

[0029] The working principle of the rear seat child seat fixing bracket connection structure provided by this utility model is as follows: After the guide positioning hole is opened on the ISOFIX fixing sheet metal part 10 and welded to the ISOFIX steel wire 9, it is then welded to the backrest frame assembly and the ISOFIX reinforcement 7 to form a backrest frame assembly. Then, the L-shaped mounting bracket 8 is fixed on the frame assembly to form the backrest assembly and assemble it onto the vehicle body. By setting the overall structure, two effects are achieved. First, the ISOFIX steel wire 9 can be quickly installed, positioned and welded, which can save the assembly time of the operator and improve the assembly efficiency. Secondly, increasing the stress on the ISOFIX steel wire 9 can effectively reduce the length of the weld. The expansion bolt 12 can connect the ISOFIX reinforcement 7 and the ISOFIX fixing sheet metal 10, thereby providing a rotational support point for the seat frame 2. In addition, the steel pipe 3 can improve the overall strength of the seat frame 2, and the mounting base 16 can provide a mounting point for the seat cushion, thereby improving the practicality of the connection structure of the rear seat child seat fixing bracket. Finally, by setting the cross-section of the long arm end of the ISOFIX fixing sheet metal to an arc shape, the stability of the seat frame 2 during rotation can be improved.

[0030] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A rear seat child seat fixing bracket connection structure, characterized in that, include: The vehicle body fixing plate (1) and seat frame (2) are provided. The lower surface of the vehicle body fixing plate (1) is equipped with a mounting plate (14). A connecting strip (15) is installed inside the mounting plate (14). The surface of the vehicle body fixing plate (1) is provided with several mounting holes (17). An ISOFIX fixing sheet metal part (10) is fixedly connected to one side of the vehicle body fixing plate (1). An L-shaped mounting bracket (8) is installed on one side of the ISOFIX fixing sheet metal part (10). A screw hole is provided on one side of the short arm end of the L-shaped mounting bracket (8). An ISOFIX reinforcing member (7) is fixedly connected to the arc surface of the seat frame (2). A screw hole is provided on the surface of the ISOFIX reinforcing member (7). A grip ring (5) is fixedly connected to the outer wall of the seat frame (2). Two connecting rings (6) are fixedly connected to the outer wall of the seat frame (2). A fixing tube (13) is installed on the outer wall of the seat frame (2).

2. The rear seat child seat fixing bracket connection structure according to claim 1, characterized in that, The inner wall of the screw hole on the ISOFIX reinforcement (7) is threaded with an expansion bolt (12), and the expansion bolt (12) is threaded with the screw hole on the ISOFIX fixed sheet metal part (10).

3. The rear seat child seat fixing bracket connection structure according to claim 1, characterized in that, Two ISOFIX fixing holes (11) are provided on one side of the ISOFIX fixing sheet metal part (10), and ISOFIX steel wires (9) are passed through the inner wall of the ISOFIX fixing holes (11).

4. The rear seat child seat fixing bracket connection structure according to claim 1, characterized in that, The inner wall of the seat frame (2) is fixedly connected to two steel pipes (3).

5. The rear seat child seat fixing bracket connection structure according to claim 1, characterized in that, The inner wall of the seat frame (2) is fixedly connected with several reinforcing ribs (4).

6. The rear seat child seat fixing bracket connection structure according to claim 5, characterized in that, The arc surface of the reinforcing rib (4) is fixedly connected to the mounting base (16).

7. The rear seat child seat fixing bracket connection structure according to claim 1, characterized in that, The cross-section of the long arm end of the ISOFIX fixed sheet metal part (10) is arc-shaped, and the inner wall of the long arm end of the ISOFIX fixed sheet metal part (10) is rotatably connected to the seat frame (2).

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