A three-section rear seatback frame structure
By designing a three-section rear seat back frame structure, and utilizing the unlocking and rotation of the left, middle, and right fixing components to achieve individual backrest folding and adjustment, the problem of existing car rear seat backrests being unable to be adjusted as a single unit is solved, thus improving the practicality of the seats.
Patent Information
- Application Number
- CN202520814244.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-05-26
- Estimated Expiration
- 2035-04-27
AI Technical Summary
The existing rear seat backrests in cars are one piece, which cannot be individually adjusted according to the user's actual needs, resulting in reduced practicality.
Design a three-section rear seat back frame structure, including a left mounting frame, a middle mounting frame, a right mounting frame, a left back frame, a middle back frame, and a right back frame. The folding and adjustment of a single backrest can be achieved by unlocking and rotating the left fixing component, the middle fixing component, and the right fixing component.
It enables individual adjustment of the rear seat backrests, improving the practicality of the seats and meeting users' personalized needs.
Smart Images
Figure CN224276921U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive seat technology, and in particular to a three-section rear seat back frame structure. Background Technology
[0002] To meet the needs of rear seat passengers who can sit and recline as needed, while also maximizing trunk space when required, car rear seatbacks are typically designed to fold down and fold up. For this purpose, a backrest lock is often installed between the rear seats and the car body, and a lever is used to adjust the backrest lock, thus enabling the rear seatbacks to fold down and fold up.
[0003] Currently, most existing car rear seat backrests are one-piece designs. When the backrest needs to be folded down, it can only be folded down as a whole, and individual adjustments cannot be made according to the user's actual needs, thus reducing the practicality of the rear seats. Utility Model Content
[0004] The purpose of this utility model is to provide a three-section rear seat back frame structure, which aims to solve the problem that the backrest of the existing car rear seat is a whole and cannot be individually adjusted according to the user's actual needs.
[0005] To achieve the above objectives, in a first aspect, this utility model provides a three-section rear seatback frame structure, including a left mounting frame, two middle mounting frames, a right mounting frame, a left back frame, a middle back frame, a right back frame, a left fixing component, a middle fixing component, and a right fixing component;
[0006] The left mounting bracket, the two middle mounting brackets, and the right mounting bracket are all mounted on the vehicle body. The left back bracket is mounted between the left mounting bracket and the middle mounting bracket. The middle back bracket is mounted between the two middle mounting brackets. The right back bracket is mounted between the middle mounting bracket and the right mounting bracket. The left fixing component is mounted on the left back bracket. The middle fixing component is mounted on the middle back bracket. The right fixing component is mounted on the right back bracket.
[0007] The left fixing component includes a fixing frame, a limit lock, and a pull handle. The fixing frame is installed on the vehicle body, the limit lock is installed on the left back frame, and the pull handle is installed on the left back frame and connected to the limit lock.
[0008] The middle fixing component includes a fixing rod, a limit lock three, and a pull strap. The fixing rod is fixedly connected to the left back frame and is located on the left back frame. The limit lock three is installed on the middle back frame. The pull strap is connected to the limit lock three and is located on one side of the limit lock three.
[0009] The right fixing component includes a second fixing frame, a second limiting lock, and a second pull handle. The second fixing frame is installed on the vehicle body, the second limiting lock is installed on the right back frame, and the second pull handle is installed on the right back frame and connected to the second limiting lock.
[0010] The first pull handle includes a pull cable and a pull plate. The pull cable is fixedly connected to the first limit lock and is located on one side of the first limit lock. The pull plate is fixedly connected to the pull cable and rotatably connected to the left back frame and is located on the left back frame.
[0011] Secondly, a method for adjusting the backrest angle of a three-section rear seatback frame structure, used in the three-section rear seatback frame structure described in the first aspect, includes the following steps:
[0012] Unlock the left fixed component and rotate the left back frame towards the side closer to the vehicle body. The left back frame will drive the middle back frame to move towards the side closer to the vehicle body, thus folding the left and middle back frames.
[0013] Unlock the middle fixing component and rotate the middle back frame towards the side closer to the vehicle body to fold the middle back frame;
[0014] Unlock the right fixing component and rotate the right back frame towards the side closer to the vehicle body to fold the right back frame.
[0015] This utility model discloses a three-section rear seat backrest frame structure. The left and middle mounting brackets provide installation conditions for the left backrest frame, the two middle mounting brackets provide installation conditions for the middle backrest frame, and the middle and right mounting brackets provide installation conditions for the right backrest frame. By unlocking the left fixing component and rotating the left backrest frame towards the vehicle body, the left backrest frame moves the middle backrest frame towards the vehicle body, achieving folding of the left and middle backrest frames. Similarly, by unlocking the middle fixing component and rotating the middle backrest frame towards the vehicle body, the middle backrest frame is folded. Likewise, by unlocking the right fixing component and rotating the right backrest frame towards the vehicle body, the right backrest frame is folded. This solves the problem that existing car rear seat backrests are one-piece designs and cannot be individually adjusted according to the user's actual needs. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1This is a schematic diagram of a three-section rear seatback frame structure provided by this utility model.
[0018] Figure 2 This is a flowchart of a method for adjusting the backrest angle of a three-section rear seat backrest frame structure provided by this utility model.
[0019] In the diagram: 1-Left mounting bracket, 2-Middle mounting bracket, 3-Right mounting bracket, 4-Left back bracket, 5-Middle back bracket, 6-Right back bracket, 7-Fixed bracket one, 8-Limit lock one, 9-Fixed rod, 10-Limit lock three, 11-Pull strap, 12-Fixed bracket two, 13-Limit lock two, 14-Pull handle two, 15-Pull cable, 16-Pull plate. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0021] Please see Figure 1 Firstly, this utility model provides a three-section rear seatback frame structure, including a left mounting bracket 1, two middle mounting brackets 2, a right mounting bracket 3, a left back frame 4, a middle back frame 5, a right back frame 6, a left fixing component, a middle fixing component, and a right fixing component;
[0022] The left mounting bracket 1, the two middle mounting brackets 2, and the right mounting bracket 3 are all mounted on the vehicle body. The left back bracket 4 is mounted between the left mounting bracket 1 and the middle mounting bracket 2. The middle back bracket 5 is mounted between the two middle mounting brackets 2. The right back bracket 6 is mounted between the middle mounting bracket 2 and the right mounting bracket 3. The left fixing component is mounted on the left back bracket 4. The middle fixing component is mounted on the middle back bracket 5. The right fixing component is mounted on the right back bracket 6.
[0023] In this embodiment, the left mounting bracket 1 and the middle mounting bracket 2 provide installation conditions for the left backrest 4, the two middle mounting brackets 2 provide installation conditions for the middle backrest 5, and the middle mounting bracket 2 and the right mounting bracket 3 provide installation conditions for the right backrest 6. By unlocking the left fixing component and rotating the left backrest 4 towards the side closer to the vehicle body, the left backrest 4 moves the middle backrest 5 towards the side closer to the vehicle body, thus folding the left backrest 4 and the middle backrest 5. Similarly, by unlocking the middle fixing component and rotating the middle backrest 5 towards the side closer to the vehicle body, the middle backrest 5 is folded. Likewise, by unlocking the right fixing component and rotating the right backrest 6 towards the side closer to the vehicle body, the right backrest 6 is folded. This solves the problem that existing car rear seat backrests are one-piece designs and cannot be individually adjusted according to the user's actual needs.
[0024] Furthermore, the left fixing component includes a fixing frame 7, a limit lock 8, and a pull handle. The fixing frame 7 is installed on the vehicle body, the limit lock 8 is installed on the left back frame 4, and the pull handle is installed on the left back frame 4 and connected to the limit lock 8.
[0025] In this embodiment, the fixing frame 7, in conjunction with the limiting lock, can limit the left back frame 4, and pulling the handle can cause the limiting lock 8 to release the limitation on the left back frame 4.
[0026] Furthermore, the middle fixing component includes a fixing rod 9, a limit lock 3 10, and a pull strap 11. The fixing rod 9 is fixedly connected to the left back frame 4 and is located on the left back frame 4. The limit lock 3 10 is installed on the middle back frame 5. The pull strap 11 is connected to the limit lock 3 10 and is located on one side of the limit lock 3 10.
[0027] In this embodiment, the fixing rod 9, together with the limiting lock 10, can limit the middle back frame 5, and pulling the pull strap 11 can release the limitation on the middle back frame 5.
[0028] Furthermore, the right fixing component includes a fixing frame 2 12, a limit lock 2 13, and a pull handle 2 14. The fixing frame 2 12 is installed on the vehicle body, the limit lock 2 13 is installed on the right back frame 6, and the pull handle 2 14 is installed on the right back frame 6 and connected to the limit lock 2 13.
[0029] In this embodiment, the second fixing frame 12, together with the second limiting lock 13, can limit the right backrest 6. The second pull handle 14 has the same structure as the first pull handle. Pulling the second pull handle 14 can cause the second limiting lock 13 to release the right backrest from the limit.
[0030] Furthermore, the first pull handle includes a pull cable 15 and a pull plate 16. The pull cable 15 is fixedly connected to the first limit lock 8 and is located on one side of the first limit lock 8. The pull plate 16 is fixedly connected to the pull cable 15 and rotatably connected to the left back frame 4 and is located on the left back frame 4.
[0031] In this embodiment, rotating the pull plate 16 can cause the pull cable 15 to retract, and the retraction of the pull cable 15 can cause the limit lock 8 to release the restriction on the left backrest.
[0032] Please see Figure 2 Secondly, a method for adjusting the backrest angle of a three-section rear seatback frame structure, used in the three-section rear seatback frame structure described in the first aspect, includes the following steps:
[0033] S1 unlocks the left fixed component and rotates the left back frame 4 towards the side closer to the vehicle body. The left back frame 4 drives the middle back frame 5 to move towards the side closer to the vehicle body, thus folding the left back frame 4 and the middle back frame 5.
[0034] Specifically, pulling the pull plate 16 causes the pull cable 15 to retract, and the pull cable 15 causes the limit lock 8 to release the restriction on the left backrest. The left back frame 4 is rotated towards the side closer to the vehicle body, and the left back frame 4 causes the middle back frame 5 to move towards the side closer to the vehicle body, thereby folding the left back frame 4 and the middle back frame 5.
[0035] S2 unlocks the fixed component and rotates the middle back frame 5 towards the side closer to the vehicle body to fold the middle back frame 5;
[0036] Specifically, pulling the pull strap 11 causes the limit lock 3 10 to release its restriction on the middle back frame 5, and the middle back frame 5 is rotated towards the side closer to the vehicle body, thereby realizing the folding of the middle back frame 5.
[0037] S3 unlocks the right fixing component and rotates the right back frame 6 towards the side closer to the vehicle body to fold the right back frame 6.
[0038] Specifically, pulling the second pull handle 14 causes the second limit lock 13 to release the restriction on the right back frame 6, thereby rotating the right back frame 6 towards the side closer to the vehicle body and folding the right back frame 6.
[0039] The above-disclosed embodiment is merely a preferred embodiment of the three-section rear seatback frame structure of this utility model. Of course, it cannot be used to limit the scope of the utility model. Those skilled in the art can understand that all or part of the process of implementing the above embodiment and the equivalent changes made in accordance with the claims of this utility model still fall within the scope of the utility model.
Claims
1. A three-section rear seatback frame structure, characterized in that, Includes a left mounting bracket, two middle mounting brackets, a right mounting bracket, a left back frame, a middle back frame, a right back frame, a left fixing assembly, a middle fixing assembly, and a right fixing assembly; The left mounting bracket, the two middle mounting brackets, and the right mounting bracket are all mounted on the vehicle body. The left back bracket is mounted between the left mounting bracket and the middle mounting bracket. The middle back bracket is mounted between the two middle mounting brackets. The right back bracket is mounted between the middle mounting bracket and the right mounting bracket. The left fixing component is mounted on the left back bracket. The middle fixing component is mounted on the middle back bracket. The right fixing component is mounted on the right back bracket.
2. The three-section rear seatback frame structure as described in claim 1, characterized in that, The left fixing component includes a fixing frame, a limit lock, and a pull handle. The fixing frame is installed on the vehicle body, the limit lock is installed on the left back frame, and the pull handle is installed on the left back frame and connected to the limit lock.
3. The three-section rear seatback frame structure as described in claim 1, characterized in that, The middle fixing component includes a fixing rod, a limit lock three, and a pull strap. The fixing rod is fixedly connected to the left back frame and is located on the left back frame. The limit lock three is installed on the middle back frame. The pull strap is connected to the limit lock three and is located on one side of the limit lock three.
4. The three-section rear seatback frame structure as described in claim 1, characterized in that, The right fixing component includes a second fixing frame, a second limiting lock, and a second pull handle. The second fixing frame is installed on the vehicle body, the second limiting lock is installed on the right back frame, and the second pull handle is installed on the right back frame and connected to the second limiting lock.
5. The three-section rear seatback frame structure as described in claim 2, characterized in that, The first pull handle includes a pull cable and a pull plate. The pull cable is fixedly connected to the first limit lock and is located on one side of the first limit lock. The pull plate is fixedly connected to the pull cable and rotatably connected to the left back frame and is located on the left back frame.