Multifunctional automobile rear seat framework
Through the structural design of the multi-functional rear seat frame, flexible adjustments to various postures are achieved, solving the problem of space utilization limitations due to the fixed nature of traditional seat frames, and improving the practicality of car seats and passenger experience.
Patent Information
- Application Number
- CN202520660288.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-04-09
AI Technical Summary
Traditional rear seat frames have a fixed structure, making it difficult to achieve flexible adjustments in various postures and limiting the multi-functional use of car space, especially in compact sedans or small SUVs.
A multifunctional rear seat frame for automobiles was designed. Through the ingenious connection of the backrest frame, seat cushion frame, seat frame frame and base support, combined with the angle adjuster, lifting mechanism and sliding rail assembly, it can realize the conversion of multiple scene modes, such as upward storage, lying flat, camping and comfort mode.
It enables multi-position adjustment of the seat to meet the needs of different usage scenarios, saves interior space, and improves passenger comfort and convenience, making it suitable for a wide range of scenarios.
Smart Images
Figure CN223812524U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile seat, especially to a multifunctional rear seat framework of automobile. BACKGROUND
[0002] With the rapid development of the automobile industry and the increasing diversification of consumer demand for automobile functions, the utilization efficiency of the interior space of the automobile and the multifunctionality of the seat have become important research directions in the field of automobile design and manufacturing. In particular in the field of passenger cars, the rear seat as the main area for passengers to sit, its design not only needs to consider the comfort of sitting, but also needs to take into account the flexibility of space utilization to meet the needs in different use scenarios.
[0003] Traditional rear seat design often focuses on basic seating functions, and the seat framework structure is relatively fixed, making it difficult to achieve flexible adjustment of multiple postures. Although this design ensures the stability of sitting to a certain extent, it is not satisfactory when it comes to the need to increase the trunk space, adjust the seating layout, or achieve special functions (such as folding into a bed, placing large items, etc.). Especially in compact cars or small SUVs with limited space, the limitations of traditional rear seats are more obvious, limiting the multifunctional use of vehicle space. SUMMARY
[0004] In view of the problems existing in the prior art, the utility model aims to provide a multifunctional rear seat framework of automobile, which can realize multi-posture adjustment of the seat through ingenious structure design.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a multifunctional rear seat framework of automobile, which comprises a backrest framework, a cushion framework, a seat frame framework and a base support fixed to the vehicle body, the cushion framework is installed on the upper side of the seat frame framework, the front end thereof is rotationally connected with the seat frame framework, and the rear end thereof is provided with a lifting mechanism between the seat frame framework, the rear end of the seat frame framework is hingedly connected to the base support through an angle adjuster, and the rear end of the seat frame framework is provided with an extension section extending upward, so that the seat frame framework as a whole presents an L shape, the lower end of the backrest framework is rotationally connected with the upper end of the extension section through an angle adjuster; the rear seat framework can form the required scene mode through corresponding posture adjustment, the scene mode comprises an upward storage mode and a lying flat mode; in the upward storage mode, the seat frame framework and the backrest framework are first folded backward as a whole until the backrest framework is folded flat, and then the backrest framework is folded forward to the vertical state alone; in the lying flat mode, the cushion framework is first lifted to a certain angle through the lifting mechanism, and at the same time, the backrest framework is folded backward to a certain angle, so that the upper surfaces of the cushion framework and the backrest framework are flush, and then the cushion framework and the backrest framework are folded backward as a whole to be flush with the floor of the vehicle body.
[0006] In the above scheme: the scene mode further includes a front folding storage mode, and the front folding storage mode is that the backrest framework is folded forward to be flat with the cushion framework. The front folding storage mode is designed so that the seat can be easily stored when not in use, effectively saving the space in the car, which is undoubtedly a great advantage for cars with limited space.
[0007] In the above scheme: the scene mode further includes a camping mode, and the camping mode is that the seat frame framework and the backrest framework are folded backward as a whole until the backrest framework (1) is flat. The camping mode provides a more spacious activity space, enhances the comfort of outdoor activities, and enables passengers to sit in the rear of the car.
[0008] In the above scheme: it further includes a slide rail assembly, the base support is fixed on the slide rail assembly, the slide rail assembly is installed on the floor of the vehicle body, and the base support can slide forward and backward to facilitate the adjustment of the front and rear positions of the rear seat framework.
[0009] In the above scheme: the scene mode further includes a comfortable mode, and the comfortable mode is that the seat frame framework slides forward a certain distance through the slide rail assembly, and the backrest framework is turned backward at a certain angle, which is convenient for passengers to take a short nap.
[0010] In the above scheme: the lifting mechanism includes a push rod motor, two first connecting rods arranged side by side, and two second connecting rods arranged side by side, the front ends of the seat frame framework are connected with a front cross bar, the motor end of the push rod motor is hinged to the front cross bar, the push rod end of the push rod motor is hinged to one of the first connecting rods, the two first connecting rods correspond to the two second connecting rods, the rear end of the first connecting rod is hinged to the lower end of the corresponding second connecting rod, the front ends and the rear ends of the two first connecting rods are connected by left and right extending synchronous rods, the middle parts of the two first connecting rods are symmetrically hinged to the corresponding side walls of the seat frame framework, and the upper ends of the second connecting rods are hinged to the rear ends of the cushion framework; when the push rod end of the push rod motor moves backward, it can drive the first connecting rod and the second connecting rod to link, thereby driving the cushion framework to be lifted upward.
[0011] The design of the lifting mechanism not only realizes the stable lifting of the cushion framework, but also provides passengers with a more convenient and comfortable driving experience through its stable and reliable mechanism, compact structure, and easy control and adjustment.
[0012] In the above scheme: the push rod motor includes a motor, a lead screw, and a push rod, the lead screw is fixed on the output end of the motor, and the push rod has a hollow tubular structure and is threadedly connected to the lead screw, which is simple in structure and convenient to assemble.
[0013] In the above scheme: the motor is hinged to the front cross bar through a motor support, and the middle part of the first connecting rod is hinged to the side wall of the seat frame framework through a pin, which is simple in structure and convenient to arrange.
[0014] In the above scheme: the base support has two, two base support left-right symmetrical arrangement, the rear end of the seat frame skeleton is hinged on two base supports through the relative arrangement of two angle adjusters, the lower end of the backrest skeleton is also rotatably connected with the upper end of the extension section through the relative arrangement of two angle adjusters, so as to ensure the stability of the seat.
[0015] The beneficial effects of the utility model are:
[0016] 1. The seat skeleton can realize flexible conversion of multiple scene modes through unique structural design, which not only meets the needs of customers in different use scenarios, but also improves the practicality and convenience of the rear seat of the car. 2. The upward storage mode design allows the seat to be easily stored when not in use, effectively saving space inside the car, which is undoubtedly a great advantage for cars with limited space; the lying mode design allows the seat to be adjusted to a more comfortable lying position, providing passengers with an excellent resting experience during long trips. 3. The seat skeleton realizes the adjustment and conversion of multiple postures through simple and effective mechanical structures such as angle adjusters and lifting mechanisms. These structural designs are reasonable, easy to operate, and have strong versatility, allowing passengers to easily adjust the seat posture according to their needs. In short, the rear seat skeleton integrates multiple functions and is widely applicable, and can flexibly meet the multi-scene needs of the market for rear seats. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a side view of the utility model in the initial state.
[0018] Figure 2 is Figure 1 axial view.
[0019] Figure 3 is Figure 1 principle diagram.
[0020] Figure 4 is a schematic diagram of the lifting mechanism lifting the cushion skeleton before lifting.
[0021] Figure 5 is a schematic diagram of the lifting mechanism lifting the cushion skeleton after lifting.
[0022] Figure 6 is a schematic diagram of the installation of the push rod motor.
[0023] Figure 7 is a side view of the utility model in the front folding storage mode.
[0024] Figure 8 is Figure 7 axial view.
[0025] Figure 9 is a schematic view of the principle. Figure 7
[0026] Figure 10 is a side view of the utility model in camping mode.
[0027] Figure 11 is an axial side view of the principle. Figure 10
[0028] Figure 12 is a schematic view of the principle. Figure 10
[0029] Figure 13 is a side view of the utility model in upward storage mode.
[0030] Figure 14 is an axial side view of the principle. Figure 13
[0031] Figure 15 is a schematic view of the principle. Figure 13
[0032] Figure 16 is a side view of the utility model in lying mode.
[0033] Figure 17 is an axial side view of the principle. Figure 16
[0034] Figure 18 is a schematic view of the principle of the cushion framework and the backrest framework flush with the upper surface.
[0035] Figure 19 is a schematic view of the cushion framework, backrest framework and vehicle body floor flush.
[0036] Figure 20 is a side view of the utility model in the enjoyment mode.
[0037] Figure 21 is an axial side view of the principle. Figure 20
[0038] Figure 22 is a schematic view of the principle. Figure 20 DETAILED DESCRIPTION As shown in -22, a multifunctional automobile rear seat framework mainly consists of backrest framework 1, cushion framework 2, seat frame framework 3, slide rail assembly 6 and base bracket 4 fixed on the vehicle body.
[0039] Figure 1
[0040] The cushion framework 2 is installed on the upper side of the seat frame framework 3, the front end of which is rotationally connected with the seat frame framework 3, and the rear end of which is provided with a lifting mechanism between the seat frame framework 3. The rear end of the seat frame framework 3 is hingedly connected to the base support 4 through an angle adjuster 5, and the rear end of the seat frame framework 3 is provided with an extension section extending upward, so that the seat frame framework 3 as a whole is in L shape, and the lower end of the backrest framework 1 is rotationally connected with the upper end of the extension section through an angle adjuster 5.
[0041] The rear seat framework can form the required scene mode through corresponding posture adjustment, and the scene mode includes a front folding storage mode, a camping mode, an upward storage mode, a comfortable enjoyment mode and a lying flat mode.
[0042] The front folding storage mode is that the backrest framework 1 is folded forward to be flat with the cushion framework 2.
[0043] The camping mode is that the seat frame framework 3 and the backrest framework 1 are folded backward as a whole until the backrest framework 1 is flat. The camping mode provides a wider activity space and enhances the comfort of outdoor activities, and can realize that passengers are seated to the rear of the vehicle.
[0044] The upward storage mode is that the seat frame framework 3 and the backrest framework 1 are first folded backward as a whole until the backrest framework 1 is flat, and then the backrest framework 1 is folded forward to the vertical state alone. The design of the front folding storage mode and the upward storage mode makes the seat easy to be stored when not in use, effectively saving the space in the vehicle, which is undoubtedly a great advantage for the car with limited space.
[0045] The lying flat mode is that the cushion framework 2 is first lifted to a certain angle through the lifting mechanism, and at the same time the backrest framework 1 is turned backward to a certain angle, so that the cushion framework 2 is flat with the upper surface of the backrest framework 1, and then the cushion framework 2 and the backrest framework 1 are folded backward as a whole to be flat with the floor of the vehicle body.
[0046] The base support 4 is fixed on the slide rail assembly 6, the slide rail assembly 6 is installed on the floor of the vehicle body, and can drive the base support 4 to slide forward and backward, facilitating the forward and backward position adjustment of the rear seat framework.
[0047] The comfortable enjoyment mode is that the seat frame framework 3 is slid forward a certain distance (generally 80-120mm, and specifically 100mm) through the slide rail assembly 6, and at the same time the backrest framework 1 is turned backward to a certain angle (generally 10-20°, and specifically 15°), so as to facilitate the short rest of the passengers.
[0048] Preferably, the lifting mechanism comprises a push rod motor 7, two first connecting rods 9 arranged side by side, and two second connecting rods 10 arranged side by side. A front cross rod 11 is connected between the front ends of the seat frame skeleton 3, the motor end of the push rod motor 7 is hinged to the front cross rod 11, and the push rod end of the push rod motor 7 is hinged to the front end of one of the first connecting rods 9. The two first connecting rods 9 correspond to the two second connecting rods 10, the rear end of the first connecting rod 9 is hinged to the lower end of the corresponding second connecting rod 10, and the front ends and rear ends of the two first connecting rods 9 are connected by left and right extending synchronous rods 12, the middle parts of the two first connecting rods 9 are symmetrically hinged to the corresponding side walls of the seat frame skeleton 3, and the upper end of the second connecting rod 10 is hinged to the rear end of the seat cushion skeleton 2.
[0049] When the push rod end of the push rod motor 7 moves backward, it can drive the first connecting rod 9 and the second connecting rod 10 to move together, thereby driving the seat cushion skeleton 2 to move upward. The design of the lifting mechanism not only realizes the stable lifting of the seat cushion skeleton 2, but also brings passengers a more convenient and comfortable riding experience through its stable and reliable mechanism, compact structure, and easy control and adjustment.
[0050] Preferably, the push rod motor 7 comprises a motor, a lead screw, and a push rod, the lead screw is fixed on the output end of the motor, and the push rod has a hollow tubular structure and is threadedly connected to the lead screw, which is simple in structure and convenient to assemble.
[0051] Preferably, the motor is hinged to the front cross rod 11 through a motor support 8, and the middle part of the first connecting rod 9 is hinged to the side wall of the seat frame skeleton 3 through a pin 13, which is simple in structure and convenient to arrange.
[0052] Preferably, the base support 4 has two parts, the two base supports 4 are arranged symmetrically, the rear end of the seat frame skeleton 3 is hinged to the two base supports 4 through two angle adjusters 5 arranged oppositely, and the lower end of the backrest skeleton 1 is also connected to the upper end of the extension section through two angle adjusters 5 arranged oppositely, so as to ensure the stability of the seat.
Claims
1. A multifunctional automobile rear seat frame, comprising a backrest frame (1), a cushion frame (2), a seat frame (3) and a base support (4) fixed to a vehicle body, characterized in that: The seat cushion framework (2) is installed on the upper side of the seat frame framework (3), the front end of which is rotatably connected with the seat frame framework (3), and the rear end of which is provided with a lifting mechanism between the seat frame framework (3), the rear end of the seat frame framework (3) is hingedly connected to the base support (4) through an angle adjuster (5), and the rear end of the seat frame framework (3) is provided with an upwardly extending extension section, so that the seat frame framework (3) as a whole is in L shape, and the lower end of the backrest framework (1) is rotatably connected with the upper end of the extension section through an angle adjuster (5); the rear row seat framework can form the required scene mode through corresponding posture adjustment, the scene mode includes an upward storage mode and a lying mode; the upward storage mode is that the seat frame framework (3) and the backrest framework (1) are first folded backward as a whole until the backrest framework (1) is folded flat, and then the backrest framework (1) is folded forward to the vertical state alone; the lying mode is that the seat cushion framework (2) is first lifted by a certain angle through the lifting mechanism, at the same time, the backrest framework (1) is folded backward by a certain angle, so that the upper surfaces of the seat cushion framework (2) and the backrest framework (1) are flush, and then the seat cushion framework (2) and the backrest framework (1) are folded backward as a whole to be flush with the vehicle body floor.
2. The multi-functional automobile rear bench seat framework according to claim 1, characterized by: The scene mode further includes a front folding storage mode, and the front folding storage mode is that the backrest framework (1) is folded forward to be flush with the seat cushion framework (2).
3. The multi-functional automobile rear bench seat framework according to claim 1, characterized by: The scene mode further includes a camping mode, and the camping mode is that the seat frame framework (3) and the backrest framework (1) are folded backward as a whole until the backrest framework (1) is folded flat.
4. The multi-functional automobile rear bench seat framework according to claim 1, characterized by: The scene mode further includes a front folding storage mode, and the front folding storage mode is that the backrest framework (1) is folded forward to be flush with the seat cushion framework (2).
5. The multi-functional automobile rear bench seat framework according to claim 4, characterized in that: The scene mode further includes a front folding storage mode, and the front folding storage mode is that the backrest framework (1) is folded forward to be flush with the seat cushion framework (2).
6. The multi-functional automobile rear bench seat framework according to claim 1, characterized by: The lifting mechanism includes a push rod motor (7), two first connecting rods (9) arranged side by side to the left and right, and two second connecting rods (10) arranged side by side to the left and right, the front end of the seat frame framework (3) is connected with a front cross rod (11) between the two sides, the motor end of the push rod motor (7) is hingedly connected to the front cross rod (11), the push rod end of the push rod motor (7) is hingedly connected with the front end of one of the first connecting rods (9), the two first connecting rods (9) and the two second connecting rods (10) correspond to each other, the rear end of the first connecting rod (9) is hingedly connected with the lower end of the corresponding second connecting rod (10), and the front ends and the rear ends of the two first connecting rods (9) are connected through left and right extending synchronous rods (12), the middle parts of the two first connecting rods (9) are symmetrically hingedly connected to the corresponding side walls of the seat frame framework (3), and the upper end of the second connecting rod (10) is hingedly connected to the rear end of the seat cushion framework (2); when the push rod end of the push rod motor (7) moves backward, the first connecting rod (9) and the second connecting rod (10) are driven to move together, so as to drive the seat cushion framework (2) to be lifted upward.
7. The multi-functional automobile rear bench seat framework according to claim 6, characterized by: The push rod motor (7) includes a motor, a lead screw and a push rod, the lead screw is fixed on the output end of the motor, and the push rod is in a hollow tubular structure and is threadedly connected to the lead screw.
8. The multi-functional automobile rear bench seat framework according to claim 7, characterized by: The motor is hinged to the front cross bar (11) through a motor support (8), and the middle part of the first connecting rod (9) is hinged to the side wall of the seat frame skeleton (3) through a pin (13).
9. The multi-functional automobile rear bench seat framework according to claim 1, characterized by: The two base supports (4) are symmetrically arranged, the rear end of the seat frame skeleton (3) is hinged to the two base supports (4) through the two angle adjusters (5) arranged oppositely, and the lower end of the backrest skeleton (1) is also rotationally connected with the upper end of the extension section through the two angle adjusters (5) arranged oppositely.