Rear-row pedal floor lifting mechanism
By designing a rear footrest lifting mechanism, using a lifting motor and screw system, the footrest can be raised after the rear seats are flipped up, solving the problem of step surface difference and improving the usability of the rear space and passenger comfort.
Patent Information
- Application Number
- CN202520265109.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-19
AI Technical Summary
When the rear seats of a car are folded down to the trunk floor, a step difference is created between them and the footwell floor, making it easy for items to tip over and causing passenger discomfort.
Design a rear footrest floor lifting mechanism. The lifting motor controls the lead screw to drive the lifting frame and the rotation axis of the rear footrest floor to lift upward, compensating for the difference in the step surface, so that the footrest floor is flush with the bottom surface of the seat after the rear seat is flipped up.
It effectively eliminates the difference in surface level between steps, improves the usability of the rear space and passenger comfort, and prevents items from tipping over.
Smart Images

Figure CN223764559U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the automotive field, specifically relating to a rear footrest floor lifting mechanism. Background Technology
[0002] During the design process of car seats, in order to facilitate users' sitting and reclining needs and to provide more storage space in the rear of the car, flipping mechanisms and flipping assistance mechanisms are installed on both sides of the rear seats. When people need to rest or want to increase the storage space in the rear of the car, the flipping mechanism is controlled to flip the rear seats back into the trunk's rear recess to create a space for resting or storage. However, when the rear seats are flipped into the trunk's rear recess, a step difference is created between the rear seats and the rear footwell floor. Therefore, when placing items, items are prone to tipping over, and passengers may experience discomfort when resting. Utility Model Content
[0003] The purpose of this utility model is to solve the above problems by providing a rear footrest floor lifting mechanism. This lifting mechanism can raise the rear footrest floor after the rear seat is flipped into the rear pit to compensate for the original step surface difference, so that the bottom surface of the flipped seat is flush with the rear upper surface of the rear footrest floor.
[0004] To achieve the above objectives, this utility model provides a rear footrest floor lifting mechanism, including a rear footrest floor. The bottom of the rear footrest floor is provided with a lifting frame. One side of the lifting frame is connected to a lead screw on a lifting motor via a motor shaft bracket. The lifting motor is connected to one side of a fixed plate via a fixed bracket. The other opposite side of the fixed plate is rotatably connected to the lifting frame via a rotating bracket.
[0005] As a further optimization, the rear footwell floor is provided with a floor lock avoidance hole at the position relative to the floor lock.
[0006] As a further optimization, the motor shaft bracket includes a motor bracket and a connecting shaft. The motor bracket has a downwardly recessed connecting groove on one side relative to the lifting frame. The motor bracket is fixed to the lifting frame through the connecting groove. The other side of the motor bracket is connected to the lead screw on the lifting motor through the connecting shaft.
[0007] As a further optimization, the fixed bracket includes an n-shaped front bracket and an n-shaped rear bracket. The upper parts of the front bracket and the rear bracket are connected by a first connecting plate. The lower parts of the front bracket and the rear bracket are folded outward and connected by a second connecting plate. The lifting motor is connected to the fixed bracket through the first connecting plate, and the fixed bracket is fixedly connected to the fixed plate through the second connecting plate.
[0008] As a further optimization, the fixed plate has a lead screw clearance hole at its position relative to the lead screw.
[0009] As a further optimization, the rotating bracket includes an upper rotating bracket, a rotating shaft, and a lower rotating bracket. The upper end of the upper rotating bracket is provided with a third connecting plate, and the rotating bracket is fixedly connected to the lifting frame through the third connecting plate. The lower end of the upper rotating bracket is rotatably connected to the two side walls of the lower rotating bracket through the rotating shaft, and the rotating bracket is fixedly connected to the fixed plate through the lower rotating bracket.
[0010] Advantages and beneficial effects of this utility model
[0011] This invention uses a lifting motor to control a lead screw to move up and down, thereby driving the connected lifting frame and rear footrest floor to lift or lower around the rotating shaft on the rotating bracket. When the rear seat is connected to the vehicle frame via a floor lock, the lead screw on the lifting motor is at its lowest position. When the rear seat is unlocked from the floor lock and flipped into the trunk, the lifting motor controls the lead screw to move upward. When the lead screw is at its highest position, the rear side of the rear footrest floor is flush with the lower surface of the rear seat, thus compensating for the original step surface difference. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the overall structure provided in the embodiment of this utility model;
[0014] Figure 2 This is an enlarged view of the lifting motor provided in this embodiment of the utility model;
[0015] Figure 3 This is a schematic diagram of the rear footwell floor provided in an embodiment of the present utility model;
[0016] Figure 4 This is a schematic diagram of the motor shaft bracket provided in an embodiment of the present utility model;
[0017] Figure 5 This is a connection diagram of the lifting motor and the fixed bracket provided in this embodiment of the utility model;
[0018] Figure 6 This is a schematic diagram of the fixing plate structure provided in an embodiment of the present utility model;
[0019] Figure 7 This is a schematic diagram of the rotating support structure provided in an embodiment of the present utility model;
[0020] Figure 8 This is a schematic diagram showing the lead screw at its lowest position after the rear seat is inserted into the recess, according to an embodiment of this utility model.
[0021] Figure 9 This is a schematic diagram showing the lead screw at its highest position after the rear seat is inserted into the pit, as provided in this embodiment of the utility model.
[0022] Reference numerals: 1. Rear footrest floor, 11. Ground lock clearance hole, 2. Lifting frame, 3. Motor shaft bracket, 31. Connecting groove, 311. Connecting shaft, 32. Lifting motor, 4. Lead screw, 41. Gearbox, 42. Fixed bracket, 5. Front bracket, 51. Rear bracket, 52. First connecting plate, 53. Second connecting plate, 54. Fixed plate, 6. Lead screw clearance hole, 61. Rotating bracket, 7. Upper rotating bracket, 71. Third connecting plate, 711. Rotating shaft, 72. Lower rotating bracket, 73. Side wall, 731. Rear seat, 8. Flipping mechanism, 9. Tail pit, 10. Step surface difference, 11. Detailed Implementation
[0023] The terms "first," "second," "third," "fourth," etc., used in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.
[0024] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that in the description of this utility model, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] like Figures 1-3 As shown, a rear footrest floor lifting mechanism includes a rear footrest floor 1. The rear footrest floor 1 has a floor lock clearance hole 11 at a position opposite to the floor lock, facilitating the connection of the rear seat 8 to the vehicle body via the floor lock during normal use. A lifting frame 2 is fixedly connected to the bottom of the rear footrest floor 1, and a motor shaft bracket 3 is fixedly connected to one side of the lifting frame 2. The motor shaft bracket 3... Figure 2 and Figure 4As shown, the device includes a motor bracket 31 and a connecting shaft 32. The motor bracket 31 has a downwardly recessed connecting groove 311 on one side opposite the lifting frame 2. The motor bracket 31 is fixedly connected to the lifting frame 2 via the connecting groove 311. The other side of the motor bracket 31 is connected to a lead screw 41 on the lifting motor 4 via the connecting shaft 32. When the lifting motor 4 drives the lead screw 41 to move up and down, the lifting frame 2 and the rear footrest 1 will not only move up and down with the lead screw 41, but the motor bracket 31 will also rotate the lifting frame 2 and the rear footrest 1 around the connecting shaft 32. Figure 2 and Figure 5 As shown, the gearbox 42 on the lifting motor 4 is connected to one side of the fixing plate 6 via a fixing bracket 5. In order to make the lifting motor 4 more secure and reduce the transmission of vibration, the fixing bracket 5 in this embodiment includes an n-shaped front bracket 51 and an n-shaped rear bracket 52. The upper parts of the front bracket 51 and the rear bracket 52 are connected by a first connecting plate 53. The lower parts of the front bracket 51 and the rear bracket 52 are folded outward and connected by a second connecting plate 54. The gearbox 42 on the lifting motor 4 is connected to the first connecting plate 53 by screws. The fixing bracket 5 is fixedly connected to the fixing plate 6 via the second connecting plate 54. Therefore, while increasing the welding area with the fixing plate 6, the fixing bracket 5 reduces the material and weight of the fixing bracket 5.
[0026] like Figure 2 and Figure 6 As shown, the fixing plate 6 has a lead screw clearance hole 61 at the position relative to the lead screw 41 to prevent the fixing plate 6 from restricting the downward movement of the lead screw 41. The fixing plate 6 is fixedly connected to the vehicle frame, as shown. Figure 1 As shown, the side of the fixed plate 6 away from the lifting motor 4 is rotatably connected to the lifting frame 2 via a rotating bracket 7, the rotating bracket 7 as follows: Figure 7 As shown, it includes a rotating upper bracket 71, a rotating shaft 72, and a rotating lower bracket 73. The upper end of the rotating upper bracket 71 is fixedly connected to a third connecting plate 711. The third connecting plate 711 can increase the welding area between the rotating bracket 7 and the lifting frame 2, making the connection between the rotating bracket 7 and the lifting frame 2 more secure. The lower end of the rotating upper bracket 71 is rotatably connected to the two side walls 731 of the rotating lower bracket 73 through the rotating shaft 72. The rotating bracket 7 is fixedly connected to the fixed plate 6 through the rotating lower bracket 73. When the lifting motor 4 drives the lead screw 41 to move up and down, the lifting frame 2 and the rear foot pedal plate 1 rotate up and down relative to the fixed plate 6 with the rotating shaft 72 as the axis.
[0027] like Figure 8 As shown, Figure 8This is a schematic diagram of the rear seat 8 being flipped into the tail pit 10 via the flipping mechanism 9 in this embodiment. At this time, the lead screw is in the lowest position, and there is a step surface difference 11 between the rear footrest plate 1 and the bottom surface of the rear seat 8. When it is necessary to compensate for this step surface difference 11, the lead screw on the lifting motor can be driven to move upward, thereby causing the rear footrest plate 1 to rotate upward around the rotation axis on the rotating bracket, so that the rear side of the rear footrest plate 1 is flush with the bottom surface of the rear seat 8 (see...). Figure 9 ).
[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the present utility model.
Claims
1. A rear row footwell floor lift mechanism characterized by: The application relates to a rear-row foot pedal floor (1), the bottom of the rear-row foot pedal floor (1) is provided with a lifting frame (2), one side of the lifting frame (2) is connected with a lead screw (41) of a lifting motor (4) through a motor rotating shaft support (3), the lifting motor (4) is connected to one side of a fixed plate (6) through a fixed support (5), and the other opposite side of the fixed plate (6) is rotationally connected with the lifting frame (2) through a rotating support (7).
2. The rear footwell floor lifting mechanism according to claim 1, characterized in that: The rear-row foot pedal floor (1) is provided with a ground lock avoiding hole (11) at a position of relative locking.
3. The rear footwell floor lift mechanism of claim 1, wherein: The motor rotating shaft support (3) comprises a motor support (31) and a connecting rotating shaft (32), the motor support (31) is provided with a downwardly recessed connecting groove (311) on one side of the lifting frame (2), the motor support (31) is fixedly connected with the lifting frame (2) through the connecting groove (311), and the other side of the motor support (31) is connected with the lead screw (41) of the lifting motor (4) through the connecting rotating shaft (32).
4. The rear footwell floor lift mechanism of claim 1, wherein: The fixed support (5) comprises an n-shaped front support (51) and an n-shaped rear support (52), the upper portions of the front support (51) and the rear support (52) are connected through a first connecting plate (53), the lower portions of the front support (51) and the rear support (52) are outwardly folded and connected through a second connecting plate (54), the lifting motor (4) is connected with the fixed support (5) through the first connecting plate (53), and the fixed support (5) is fixedly connected with the fixed plate (6) through the second connecting plate (54).
5. The rear footwell floor lift mechanism of claim 1, wherein: The fixed plate (6) is provided with a lead screw avoiding hole (61) at a position relative to the lead screw (41).
6. The rear footwell floor lift mechanism of claim 1, wherein: The rotating support (7) comprises a rotating upper support (71), a rotating shaft (72) and a rotating lower support (73), the upper end of the rotating upper support (71) is provided with a third connecting plate (711), the rotating support (7) is fixedly connected with the lifting frame (2) through the third connecting plate (711), the lower end of the rotating upper support (71) is rotationally connected with the two side walls (731) of the rotating lower support (73) through the rotating shaft (72), and the rotating support (7) is fixedly connected with the fixed plate (6) through the rotating lower support (73).