Automobile seat capable of integrating leg support and cushion extension functions

Abstract

The utility model discloses an automobile seat capable of integrating leg support and cushion extension functions, which comprises a leg support assembly and a cushion assembly, the cushion assembly comprises a seat frame skeleton, a seat basin bracket and a cushion extension plate, the seat frame skeleton and the seat basin bracket are mutually fixed, a fixed bracket is fixedly arranged on the seat frame skeleton, a movable bracket is connected to the fixed bracket in a front-back sliding manner, and the cushion extension plate is arranged on the movable bracket. A driving mechanism is arranged between the movable support and the fixed support and can drive the movable support to slide front and back along the fixed support, the rear end of the leg support assembly is fixed to the movable support, and the cushion extension plate is arranged at the front end of the top face of the seat basin support, connected with the seat basin support in a front-back sliding mode, penetrates through the seat basin support and is fixedly connected with the movable support. When the driving mechanism drives the movable support to slide forwards, the seat cushion extension plate can be driven to slide forwards so as to lengthen the seat cushion, and meanwhile the leg support assembly can be driven to move forwards as a whole. Reasonable integration of the leg support and the cushion extension function is achieved, and interference between the leg support and the cushion extension function is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of automotive seat technology, and in particular to an automotive seat that can integrate leg support and seat cushion extension functions. Background Technology

[0002] With the continuous development of the automotive industry and the increasing demands of consumers for driving and riding experiences, the functionality and comfort of car seats have become key concerns for consumers. In scenarios involving long-distance driving or where high comfort is required, the presence of leg rests and seat cushion extension functions in car seats is particularly important. Leg rests provide effective support for passengers' legs, reducing leg fatigue. For those who travel long distances, proper leg support can improve blood circulation in the legs, reduce muscle tension and soreness, and enhance overall riding comfort. Especially for taller individuals or those with longer legs, leg rests can better conform to the leg curves, providing personalized support to meet the needs of different passengers. Seat cushion extension functions further increase the effective length of the seat cushion, providing passengers with more legroom. Tall and long passengers often feel that the seat cushion is not long enough when using ordinary seats, causing their legs to dangle and affecting riding comfort. Seat cushion extension functions can extend the seat cushion forward according to the actual needs of passengers, allowing their legs to receive ample support, thereby improving riding comfort and stability. However, traditional car seat designs typically do not include both leg rests and front seat cushion extensions simultaneously. The most prominent problem is that when the front seat cushion extension extends forward, it presses against the front leg rest, causing interference. This interference not only affects the normal use of the seat but may also damage the seat structure and reduce its lifespan. Utility Model Content

[0003] In view of the problems existing in the prior art, the present invention aims to provide a car seat that can integrate leg support and seat cushion extension functions, which can improve the comfort of the seat and avoid interference problems.

[0004] To achieve the above objectives, this utility model proposes a car seat that integrates leg support and seat cushion extension functions, including a leg support assembly and a seat cushion assembly. The seat cushion assembly includes a seat frame frame, a seat basin support, and a seat cushion extension plate. The seat frame frame and the seat basin support are fixed to each other. A fixed bracket is fixedly mounted on the seat frame frame. A movable bracket is slidably connected to the fixed bracket. A driving mechanism is provided between the movable bracket and the fixed bracket. The driving mechanism can drive the movable bracket to slide back and forth along the fixed bracket. The rear end of the leg support assembly is fixed to the movable bracket. The seat cushion extension plate is arranged on the front end of the top of the seat basin support and is slidably connected to it. It passes through the seat basin support and is fixedly connected to the movable bracket. When the driving mechanism drives the movable bracket to slide forward, it can drive the seat cushion extension plate to slide forward to lengthen the seat cushion, and at the same time, it can drive the entire leg support assembly to move forward.

[0005] The leg support assembly is a foldable and flip-open electric leg support mechanism in the prior art. The rear end of the electric leg support mechanism is fixed to the movable bracket by two spaced-apart brackets on the left and right.

[0006] In the above solution: the seat cushion extension plate is provided with several guide grooves, and the seat basin support is fixed with limiting bolts at each guide groove. The limiting bolts slide and limit the movement within the corresponding guide grooves, thereby achieving a sliding connection between the seat cushion extension plate and the seat basin support. The guide grooves provide a clear track for the sliding of the seat cushion extension plate. The limiting bolts slide within the guide grooves, which restricts the movement direction of the seat cushion extension plate, ensuring that it can only slide back and forth along the path set by the guide grooves. This avoids deviation, shaking, or jamming during the sliding process, ensuring the smoothness and stability of the sliding.

[0007] In the above solution: a transverse support tube is fixed between the left and right sides of the upper front end of the seat frame, and the fixed bracket is fixed on the transverse support tube. The structure is simple and easy to install.

[0008] In the above solution: the fixed bracket is fixed to the horizontal support tube by mounting sheet metal, the mounting sheet metal and the horizontal support tube are welded together, and the fixed bracket and the mounting sheet metal are fixed by locking bolts. The structure is simple and the fixed bracket is easy to assemble and disassemble.

[0009] In the above scheme: the fixed bracket has a U-shaped structure, and two guide shafts are provided between the front and rear side walls of the fixed bracket. The two guide shafts are arranged alternately on the left and right sides. The movable bracket is slidably sleeved on the two guide shafts, thereby realizing a sliding connection with the fixed bracket. The alternate arrangement of the two guide shafts provides two stable support points and guide paths for the movable bracket. During the sliding process, the movable bracket can move smoothly back and forth along these two guide shafts, effectively avoiding shaking, offset, or jamming caused by single-point support or insufficient guidance.

[0010] In the above solution: the driving mechanism is a lead screw transmission mechanism, which includes a motor, a lead screw connected to the motor, and a nut threaded onto the lead screw. The motor is fixed to a fixed bracket, and the lead screw extends forward and backward, with its end rotatably connected to the corresponding side wall of the fixed bracket. The movable bracket has an "n"-shaped structure, and the nut is fixed in the middle of the inner cavity of the movable bracket. The power output by the motor can be efficiently converted into linear motion of the movable bracket, enabling the leg support assembly and seat extension plate to quickly respond to operating commands and achieve rapid extension and retraction, thus improving the convenience and efficiency of use.

[0011] In the above solution: the seat cushion extension plate is fixedly connected to the movable bracket by a fixing bolt passing through the seat support. The seat support is provided with a clearance hole for the fixing bolt to move back and forth. The structure is simple and easy to install. The design of the clearance hole ensures that the back and forth movement of the seat cushion extension plate will not be interfered with by the seat support.

[0012] The beneficial effects of this invention are as follows: By integrating the leg rest into the front extension plate of the seat cushion, and through ingenious structural design, the seat cushion extension plate and the leg rest assembly can move in tandem. When the drive mechanism moves the movable support, the seat cushion extension plate and the leg rest assembly can move forward synchronously, effectively avoiding interference between the two and achieving a perfect integration of the leg rest and seat cushion extension functions. This innovative design ensures that the leg rest opening and seat cushion extension functions can operate independently and stably. Passengers can freely adjust the seat cushion length and leg rest position according to their needs without worrying about conflicts between functions, thus improving the practicality and reliability of the seat. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2 This is an assembly diagram of the leg support assembly and the movable bracket.

[0015] Figure 3 This is an assembly diagram of the fixed bracket and the seat frame.

[0016] Figure 4 This is an assembly diagram of the fixed bracket and the movable bracket. Detailed Implementation

[0017] like Figure 1 As shown in Figure 4, a car seat that integrates leg support and seat cushion extension functions mainly consists of a leg support assembly 1 and a seat cushion assembly.

[0018] The seat cushion assembly includes a seat frame 2, a seat basin support 3, and a seat cushion extension plate 4. The seat frame 2 and the seat basin support 3 are fixed to each other. A fixed bracket 5 is fixed on the seat frame 2. A movable bracket 6 is slidably connected to the fixed bracket 5. A drive mechanism 7 is provided between the movable bracket 6 and the fixed bracket 5. The drive mechanism 7 can drive the movable bracket 6 to slide back and forth along the fixed bracket 5.

[0019] The rear end of the leg support assembly 1 is fixed to the movable bracket 6. The seat cushion extension plate 4 is arranged on the front end of the top of the seat support 3 and is slidably connected to it. It passes through the seat support 3 and is fixedly connected to the movable bracket 6. When the drive mechanism 7 drives the movable bracket 6 to slide forward, it can drive the seat cushion extension plate 4 to slide forward to lengthen the seat cushion. At the same time, it can drive the leg support assembly 1 to move forward as a whole.

[0020] The leg support assembly 1 is a foldable and flip-open electric leg support mechanism in the prior art. The rear end of the electric leg support mechanism is fixed to the movable bracket 6 by two brackets spaced apart on the left and right.

[0021] Ideally, the seat cushion extension plate 4 is provided with several guide grooves 8, and the seat basin support 3 is fixed with limiting bolts 9 corresponding to each guide groove 8. The limiting bolts 9 slide and limit within the corresponding guide groove 8, thereby realizing the sliding connection between the seat cushion extension plate 4 and the seat basin support 3. The guide grooves 8 provide a clear track for the sliding of the seat cushion extension plate 4. The limiting bolts 9 slide within the guide grooves 8, which can restrict the movement direction of the seat cushion extension plate 4, so that it can only slide back and forth along the path set by the guide grooves 8, avoiding deviation, shaking or jamming during the sliding process, and ensuring the smoothness and stability of the sliding.

[0022] Ideally, a transverse support tube 10 is fixed between the left and right sides of the upper front end of the seat frame 2, and the fixed bracket 5 is fixed on the transverse support tube 10. The structure is simple and easy to install.

[0023] Ideally, the fixed bracket 5 is fixed to the transverse support tube 10 by mounting sheet metal 11. The mounting sheet metal 11 and the transverse support tube 10 are fixed by welding. The fixed bracket 5 and the mounting sheet metal 11 are fixed by locking bolts. The structure is simple and the fixed bracket 5 is easy to disassemble and assemble.

[0024] Ideally, the fixed bracket 5 has a U-shaped structure, with two guide shafts 12 positioned between its front and rear side walls. The two guide shafts 12 are spaced apart on the left and right sides. The movable bracket 6 is slidably fitted onto the two guide shafts 12, thus achieving a sliding connection with the fixed bracket 5. The spaced-apart arrangement of the two guide shafts 12 provides two stable support points and guide paths for the movable bracket 6. During sliding, the movable bracket 6 can move smoothly back and forth along these two guide shafts 12, effectively avoiding swaying, offset, or jamming caused by single-point support or insufficient guidance.

[0025] Ideally, the drive mechanism 7 is a lead screw transmission mechanism, comprising a motor, a lead screw connected to the motor, and a nut threaded onto the lead screw. The motor is fixed to the fixed bracket 5, and the lead screw extends forward and backward, its end rotatably connected to the corresponding side wall of the fixed bracket 5. The movable bracket 6 has an "n"-shaped structure, and the nut is fixed in the middle of the inner cavity of the movable bracket 6. The power output by the motor can be efficiently converted into linear motion of the movable bracket 6, enabling the leg support assembly 1 and the seat extension plate 4 to quickly respond to operating commands and achieve rapid extension and retraction, improving ease of use and efficiency.

[0026] Ideally, the seat extension plate 4 is fixedly connected to the movable bracket 6 by passing through the seat support 3 with a fixing bolt 13. The seat support 3 is provided with a clearance hole for the fixing bolt 13 to move back and forth. The structure is simple and easy to install. The design of the clearance hole ensures that the back and forth movement of the seat extension plate 4 will not be interfered with by the seat support 3.

Claims

1. A car seat integrating leg support and seat cushion extension functions, comprising a leg support assembly (1) and a seat cushion assembly, wherein the seat cushion assembly comprises a seat frame frame (2), a seat basin support (3), and a seat cushion extension plate (4), wherein the seat frame frame (2) and the seat basin support (3) are fixed to each other, characterized in that: A fixed bracket (5) is fixed on the seat frame (2). A movable bracket (6) is slidably connected to the fixed bracket (5). A driving mechanism (7) is provided between the movable bracket (6) and the fixed bracket (5). The driving mechanism (7) can drive the movable bracket (6) to slide back and forth along the fixed bracket (5). The rear end of the leg support assembly (1) is fixed on the movable bracket (6). The seat cushion extension plate (4) is arranged on the front end of the top face of the seat basin support (3) and is slidably connected to it. It passes through the seat basin support (3) and is fixedly connected to the movable bracket (6). When the driving mechanism (7) drives the movable bracket (6) to slide forward, it can drive the seat cushion extension plate (4) to slide forward to lengthen the seat cushion. At the same time, it can drive the leg support assembly (1) to move forward as a whole.

2. The car seat with integrated leg support and seat cushion extension functions according to claim 1, characterized in that: The seat cushion extension plate (4) is provided with several guide grooves (8), and the seat basin support (3) is fixed with limiting bolts (9) corresponding to each guide groove (8). The limiting bolts (9) are slidably limited in the corresponding guide grooves (8), thereby realizing the sliding connection between the seat cushion extension plate (4) and the seat basin support (3).

3. The car seat with integrated leg support and seat cushion extension functions according to claim 1, characterized in that: A transverse support tube (10) is fixed between the left and right sides of the upper front end of the seat frame (2), and the fixed bracket (5) is fixed on the transverse support tube (10).

4. The car seat with integrated leg support and seat cushion extension functions according to claim 3, characterized in that: The fixed bracket (5) is fixed to the transverse support tube (10) by mounting sheet metal (11). The mounting sheet metal (11) and the transverse support tube (10) are fixed by welding. The fixed bracket (5) and the mounting sheet metal (11) are fixed by locking bolts.

5. The car seat with integrated leg support and seat cushion extension functions according to claim 1, characterized in that: The fixed bracket (5) has a U-shaped structure. Two guide shafts (12) are provided between the front and rear side walls of the fixed bracket (5). The two guide shafts (12) are arranged at intervals on the left and right. The movable bracket (6) is slidably sleeved on the two guide shafts (12), thereby realizing a front-to-back sliding connection with the fixed bracket (5).

6. The car seat with integrated leg support and seat cushion extension functions according to claim 5, characterized in that: The driving mechanism (7) is a screw drive mechanism. The driving mechanism (7) includes a motor, a screw connected to the motor, and a nut threaded onto the screw. The motor is fixed on the fixed bracket (5). The screw extends forward and backward, and its end is rotatably connected to the corresponding side wall of the fixed bracket (5). The movable bracket (6) has an "n" shaped structure. The nut is fixed in the middle of the inner cavity of the movable bracket (6).

7. The car seat with integrated leg support and seat cushion extension functions according to claim 5, characterized in that: The seat cushion extension plate (4) is fixedly connected to the movable bracket (6) through the seat support (3) by a fixing bolt (13). The seat support (3) is provided with a clearance hole for the fixing bolt (13) to move back and forth.

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