Automobile rear seat backrest frame

Abstract

The utility model relates to the technical field of automobile seat, in particular to a backrest frame of automobile back seat, its angle is adjusted and is limited to backrest assembly through spacing mechanism, and backrest assembly cooperation support mechanism supports the passenger, thereby improving the practicability of equipment, including backrest assembly, still including support mechanism and spacing mechanism, and support mechanism and spacing mechanism all install on backrest assembly, backrest assembly cooperation support mechanism supports the passenger, and spacing mechanism adjusts the angle of backrest assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of automobile seats, and in particular to a rear seat backrest frame for automobiles. Background Technology

[0002] The car seat backrest frame is the core support structure of the seat system. Its design, materials and manufacturing process directly affect the safety and comfort of the occupants and the vehicle's lightweight level. Existing car seat backrest frames, such as the automatic rear seat disclosed in utility model patent CN219749572U and the multi-purpose folding three-seater rear seat disclosed in utility model patent CN222946590U, can all improve the comfort of the occupants.

[0003] However, during the production process, it was found that the existing car seat back frame structure is relatively complex, resulting in high production costs and cumbersome folding steps, leading to poor practicality. Therefore, there is an urgent need to improve the car seat back frame to solve the above problems. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a car rear seat backrest frame that uses a limiting mechanism to adjust and limit the angle of the backrest assembly, and the backrest assembly, in conjunction with a support mechanism, supports the occupants, thereby improving the practicality of the equipment.

[0005] This utility model discloses a car rear seat backrest frame, including a backrest assembly; it also includes a support mechanism and a limiting mechanism, both of which are mounted on the backrest assembly;

[0006] The backrest assembly, in conjunction with the support mechanism, provides support for the occupants, while the limiting mechanism adjusts the angle of the backrest assembly.

[0007] The angle of the backrest assembly is adjusted and limited by the limiting mechanism. The backrest assembly, together with the support mechanism, supports the occupants, thereby improving the practicality of the equipment.

[0008] Preferably, the backrest assembly includes a backrest bracket one, a backrest bracket two, and a backrest upper horizontal tube assembly. Both backrest bracket one and backrest bracket two are mounted on the limiting mechanism, and the backrest upper horizontal tube assembly is mounted on the top of backrest bracket two. The backrest bracket one, backrest bracket two, and backrest upper horizontal tube assembly work together to fix the support mechanism, thereby improving the support strength of the rear seat backrest frame of the car.

[0009] Preferably, the support mechanism includes a backrest center wire assembly one and a backrest center wire assembly two, which are respectively installed in the middle of the backrest bracket one and the backrest bracket two; the backrest center wire assembly one and the backrest center wire assembly two support the back of the occupant, thereby improving the comfort of the occupant and the support strength of the rear seat backrest frame of the car.

[0010] Preferably, the limiting mechanism includes two sets of outer support assemblies, two sets of outer hinge supports, an inner rotating shaft assembly, a middle hinge support, and two sets of backrest unlocking support assemblies. The two sets of outer support assemblies are respectively fixedly installed on the right side of backrest support one and the left side of backrest support two, and the two sets of outer support assemblies are hinged to the two sets of outer hinge supports. The inner rotating shaft assembly is installed on backrest support one and backrest support two, and the inner rotating shaft assembly is rotatably connected to the middle hinge support. The two sets of backrest unlocking support assemblies are respectively installed on the backrest support. The top of bracket one and backrest bracket two; the backrest unlocking structure is installed in the two sets of backrest unlocking bracket assemblies. When folding the backrest, by unlocking the backrest unlocking structure in the two sets of backrest unlocking bracket assemblies and pulling backrest bracket one and backrest bracket two forward, backrest bracket one and backrest bracket two are rotated around the hinge point between the outer bracket assembly and the outer hinge bracket and the rotation connection point between the inner pivot assembly and the middle hinge bracket as the center, and then backrest bracket one and backrest bracket two are laid down, thereby improving the convenience of folding the rear seat backrest of the car.

[0011] Preferably, both the backrest support and the top of the backrest upper cross tube assembly are provided with headrest fixing frames; the headrest is fixed by the headrest fixing frames.

[0012] Preferably, the upper horizontal tube assembly of the backrest is provided with a middle headrest tube assembly; the middle headrest is fixedly supported by the middle headrest tube assembly.

[0013] Preferably, a set of limiting brackets is provided on both the middle steel wire assembly and the outer bracket assembly of the backrest; this facilitates the hanging of the child seat safety buckle on the limiting brackets to fix the child seat, thereby improving the versatility of the functions of the rear seat backrest of the car.

[0014] Preferably, the first backrest middle steel wire assembly and the first backrest bracket, as well as the second backrest bracket and the second backrest middle steel wire assembly, are all welded together; thereby improving the stability and support strength of the rear seat backrest frame of the car.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: the angle of the backrest assembly is adjusted and limited by the limiting mechanism, and the backrest assembly, together with the support mechanism, supports the occupants, thereby improving the practicality of the equipment. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the first isometric structure of this utility model;

[0017] Figure 2 This is a utility model Figure 1 A magnified structural diagram of part A in the diagram;

[0018] Figure 3 This is a schematic diagram of the second isometric structure of this utility model;

[0019] Figure 4 This is a front view structural diagram of the present invention;

[0020] Figure 5 This is a front view structural diagram of the backrest middle steel wire assembly and the limiting bracket of this utility model.

[0021] The following are labeled in the attached diagram: 1. Backrest bracket one; 2. Backrest bracket two; 3. Upper backrest horizontal tube assembly; 4. Backrest middle steel wire assembly one; 5. Backrest middle steel wire assembly two; 6. Outer bracket assembly; 7. Outer hinge bracket; 8. Inner pivot assembly; 9. Middle hinge bracket; 10. Backrest unlocking bracket assembly; 11. Headrest fixing bracket; 12. Middle headrest tube assembly; 13. Limiting bracket. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0023] like Figures 1 to 5 As shown, a car rear seat backrest frame includes a backrest assembly; it also includes a support mechanism and a limiting mechanism, both of which are mounted on the backrest assembly;

[0024] The backrest assembly, in conjunction with the support mechanism, provides support for the occupants, while the limiting mechanism adjusts the angle of the backrest assembly.

[0025] The backrest assembly includes a backrest bracket 1, a backrest bracket 2, and a backrest upper horizontal tube assembly 3. Both the backrest bracket 1 and the backrest bracket 2 are mounted on the limiting mechanism, and the backrest upper horizontal tube assembly 3 is mounted on the top of the backrest bracket 2.

[0026] The support mechanism includes a backrest center wire assembly 4 and a backrest center wire assembly 5, which are respectively installed in the middle of the backrest bracket 1 and the backrest bracket 2.

[0027] The limiting mechanism includes two sets of outer support assemblies 6, two sets of outer hinge supports 7, an inner rotating shaft assembly 8, a middle hinge support 9, and two sets of backrest unlocking support assemblies 10. The two sets of outer support assemblies 6 are respectively fixedly installed on the right side of the backrest support 1 and the left side of the backrest support 2, and the two sets of outer support assemblies 6 are respectively hinged to the two sets of outer hinge supports 7. The inner rotating shaft assembly 8 is installed on the backrest support 1 and the backrest support 2, and the inner rotating shaft assembly 8 is rotatably connected to the middle hinge support 9. The two sets of backrest unlocking support assemblies 10 are respectively installed on the top of the backrest support 1 and the backrest support 2.

[0028] Both the backrest bracket 1 and the top of the backrest upper horizontal tube assembly 3 are provided with headrest fixing brackets 11.

[0029] The upper horizontal tube assembly 3 of the backrest is provided with a middle headrest tube assembly 12;

[0030] The backrest middle steel wire assembly 4 and the backrest bracket 1 and the backrest bracket 2 and the backrest middle steel wire assembly 5 are all fixed by welding.

[0031] The soft sponge layer of the backrest is supported and fixed by the backrest assembly and support mechanism. The headrest and the middle headrest are fixed by the headrest fixing bracket 11 and the middle headrest tube assembly 12. The occupant is supported to lean against the soft sponge layer and rest their head on the headrest. The occupant is supported by the backrest assembly and support mechanism. When folding, the backrest unlocking structure in the two sets of backrest unlocking bracket assemblies 10 is unlocked, and the backrest bracket 1 and backrest bracket 2 are pulled forward. The backrest bracket 1 and backrest bracket 2 rotate around the hinge point of the outer bracket assembly 6 and the outer hinge bracket 7 and the rotation connection point of the inner rotating shaft assembly 8 and the middle hinge bracket 9 as the center. Then the backrest bracket 1 and backrest bracket 2 are folded down, thereby improving the practicality of the rear seat backrest of the car. Example 2

[0032] like Figures 1 to 5 As shown, a car rear seat backrest frame includes a backrest assembly; it also includes a support mechanism and a limiting mechanism, both of which are mounted on the backrest assembly;

[0033] The backrest assembly, in conjunction with the support mechanism, provides support for the occupants, while the limiting mechanism adjusts the angle of the backrest assembly.

[0034] The backrest assembly includes a backrest bracket 1, a backrest bracket 2, and a backrest upper horizontal tube assembly 3. Both the backrest bracket 1 and the backrest bracket 2 are mounted on the limiting mechanism, and the backrest upper horizontal tube assembly 3 is mounted on the top of the backrest bracket 2.

[0035] The support mechanism includes a backrest center wire assembly 4 and a backrest center wire assembly 5, which are respectively installed in the middle of the backrest bracket 1 and the backrest bracket 2.

[0036] The limiting mechanism includes two sets of outer support assemblies 6, two sets of outer hinge supports 7, an inner rotating shaft assembly 8, a middle hinge support 9, and two sets of backrest unlocking support assemblies 10. The two sets of outer support assemblies 6 are respectively fixedly installed on the right side of the backrest support 1 and the left side of the backrest support 2, and the two sets of outer support assemblies 6 are respectively hinged to the two sets of outer hinge supports 7. The inner rotating shaft assembly 8 is installed on the backrest support 1 and the backrest support 2, and the inner rotating shaft assembly 8 is rotatably connected to the middle hinge support 9. The two sets of backrest unlocking support assemblies 10 are respectively installed on the top of the backrest support 1 and the backrest support 2.

[0037] Both the backrest bracket 1 and the top of the backrest upper horizontal tube assembly 3 are provided with headrest fixing brackets 11.

[0038] The upper horizontal tube assembly 3 of the backrest is provided with a middle headrest tube assembly 12;

[0039] A set of limiting brackets 13 is provided on the middle steel wire assembly 5 and the outer support assembly 6 of the backrest.

[0040] The backrest middle steel wire assembly 4 and the backrest bracket 1 and the backrest bracket 2 and the backrest middle steel wire assembly 5 are all fixed by welding.

[0041] The soft sponge layer of the backrest is supported and fixed by the backrest assembly and support mechanism. The headrest and the middle headrest are fixed by the headrest fixing bracket 11 and the middle headrest tube assembly 12, supporting the occupant to lean against the soft sponge layer with their head resting on the headrest. The occupant is supported by the backrest assembly and support mechanism. When folding, the backrest unlocking structure in the two sets of backrest unlocking bracket assemblies 10 is unlocked, and the backrest bracket 1 and backrest bracket 2 are pulled forward, so that the backrest bracket 1 and the backrest bracket 2 are connected. The second frame rotates around the hinge point between the outer support assembly 6 and the outer hinge support 7 and the rotation connection point between the inner rotating shaft assembly 8 and the middle hinge support 9, thereby folding down the backrest support 1 and the second backrest support 2. When using a child seat, the backrest support 1 and the second backrest support 2 are folded down first, and the safety buckle of the child seat is hung on the limiting bracket 13 to fix the child seat. Then the backrest support 1 and the second backrest support 2 are reset, thereby improving the practicality of the rear seat backrest frame of the car.

[0042] The backrest bracket 1 and backrest bracket 2 of the automobile rear seat backrest frame of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A rear seat backrest frame for automobiles, comprising a backrest assembly; characterized in that, It also includes a support mechanism and a limiting mechanism, both of which are installed on the backrest assembly; The backrest assembly, in conjunction with the support mechanism, provides support for the occupants, while the limiting mechanism adjusts the angle of the backrest assembly.

2. The rear seat backrest frame for automobiles as described in claim 1, characterized in that, The backrest assembly includes a backrest bracket one (1), a backrest bracket two (2) and a backrest upper horizontal tube assembly (3). The backrest bracket one (1) and the backrest bracket two (2) are both mounted on the limiting mechanism, and the backrest upper horizontal tube assembly (3) is mounted on the top of the backrest bracket two (2).

3. A car rear seat backrest frame as described in claim 2, characterized in that, The support mechanism includes a backrest middle wire assembly one (4) and a backrest middle wire assembly two (5), which are respectively installed in the middle of the backrest bracket one (1) and the backrest bracket two (2).

4. A car rear seat backrest frame as described in claim 2, characterized in that, The limiting mechanism includes two sets of outer support assemblies (6), two sets of outer hinge supports (7), an inner rotating shaft assembly (8), a middle hinge support (9), and two sets of backrest unlocking support assemblies (10). The two sets of outer support assemblies (6) are fixedly installed on the right side of backrest support one (1) and the left side of backrest support two (2), respectively. The two sets of outer support assemblies (6) are hinged to the two sets of outer hinge supports (7), respectively. The inner rotating shaft assembly (8) is installed on backrest support one (1) and backrest support two (2), and the inner rotating shaft assembly (8) is rotatably connected to the middle hinge support (9). The two sets of backrest unlocking support assemblies (10) are installed on the top of backrest support one (1) and backrest support two (2), respectively.

5. A car rear seat backrest frame as described in claim 2, characterized in that, The top of both the backrest support (1) and the backrest upper horizontal tube assembly (3) is provided with a headrest fixing bracket (11).

6. A car rear seat backrest frame as described in claim 2, characterized in that, The backrest upper horizontal tube assembly (3) is provided with a middle headrest tube assembly (12).

7. A car rear seat backrest frame as described in claim 2, characterized in that, Each of the backrest middle steel wire assembly (5) and the outer support assembly (6) is provided with a set of limiting brackets (13).

8. A car rear seat backrest frame as described in claim 3, characterized in that, The backrest middle steel wire assembly one (4) and the backrest bracket one (1) and the backrest bracket two (2) and the backrest middle steel wire assembly two (5) are all fixed by welding.

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