Automobile seat capable of improving buffering performance

Abstract

The utility model discloses an automobile seat with improved buffer performance, which comprises a seat frame, a mounting plate, a movable support plate, a driving structure and a buffer structure, the mounting plate is fixedly mounted on the seat frame, one end of the movable support plate is rotatably connected with the mounting plate, the driving structure comprises a guide rail, a slide block, a connecting frame, a connecting rod and a screw rod, and the guide rail is fixedly mounted on the seat frame. The sliding block is in sliding connection with the guide rail, the connecting frame is fixedly connected with the sliding block, the two ends of the connecting rod are rotationally connected with the connecting frame and the movable supporting plate respectively, the connecting frame is provided with a threaded sleeve, the threaded sleeve is in threaded connection with the lead screw, and the buffering structure comprises a buffering plate, a threaded rod, a spring and a flexible sleeve. The seat has the advantages that impact can be absorbed through the springs, the effect of improving the seat buffering effect is achieved through the adjustable waist supporting structure, and the advantage of being good in buffering effect is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of car seats, specifically to a car seat with improved cushioning performance. Background Technology

[0002] Car seats are an important component of a car's interior, and their design directly affects passenger comfort, safety, and the driving experience. Modern car seats are typically ergonomically designed and equipped with adjustable functions (such as fore-and-aft movement, backrest tilt, and lumbar support) to adapt to different body types and driving habits. High-end seats may also integrate heating, ventilation, and massage functions to enhance comfort. As user demands for seats continue to rise, car seat manufacturers are constantly optimizing and improving their products and services.

[0003] Chinese invention patent CN112896002B discloses a mechanical massage seat for automobiles. The backrest is equipped with a lumbar support assembly, which includes a lumbar support plate rotatably connected to the backrest, an inner lining mechanism slidably connected to the backrest, and a lifting drive mechanism for driving the inner lining mechanism to slide. The inner lining mechanism includes a mounting base plate, a contact plate rotatably connected to the mounting base plate, and an air bag disposed between the mounting base plate and the contact plate. Both the lumbar support plate and the contact plate are elastic. During the up-and-down sliding of the inner lining mechanism, the contact plate slidably supports the inner side of the lumbar support plate. A massage device is mounted on the mounting base plate, which includes at least two sets of lifting massage heads. After the massage device is activated, the lifting massage heads can pass through the air bag and the contact plate and extend outwards from the outer side of the lumbar support plate. This allows for comfortable operation such as lumbar support, targeted massage, and walking massage for the occupant.

[0004] As cars travel, they bounce and jolt due to road bumps and dips. Since the seats are in direct contact with occupants, the impact and vibration absorbed by the seats directly affect passenger comfort. Currently, the cushioning effect of car seats still needs improvement. Utility Model Content

[0005] To address the aforementioned technical problems, the present invention aims to provide a car seat with improved cushioning performance, comprising a seat frame, a mounting plate, a movable support plate, a drive structure, and a cushioning structure. This car seat with improved cushioning performance has the advantage of better cushioning effect.

[0006] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows:

[0007] An improved car seat includes a seat frame, a mounting plate, a movable support plate, a drive structure, and a cushioning structure. The mounting plate is fixedly mounted on the seat frame, and one end of the movable support plate is rotatably connected to the mounting plate. The drive structure includes a guide rail, a slider, a connecting frame, a connecting rod, and a lead screw. The guide rail is fixedly mounted on the mounting plate, the slider is slidably connected to the guide rail, the connecting frame is fixedly connected to the slider, and both ends of the connecting rod are rotatably connected to the connecting frame and the movable support plate, respectively. The connecting frame is provided with a threaded sleeve, which is threadedly connected to the lead screw. The threaded sleeve is axially slidably connected to the connecting frame and circumferentially engaged. The cushioning structure includes a cushioning plate, a screw, a spring, and a flexible sleeve. The cushioning plate is fixedly connected to the threaded sleeve, the screw is fixedly mounted on the connecting frame and passes through the cushioning plate, and the spring and flexible sleeve are sleeved on the screw, located between the cushioning plate and the connecting frame.

[0008] With this configuration, when the pressure from the occupant increases on the adjustable movable plate, a connecting rod pushes the connecting frame to slide on the threaded sleeve. The connecting frame compresses the spring against the buffer plate, thus absorbing the impact. This application utilizes an adjustable lumbar support structure to improve the seat's cushioning effect, achieving the advantage of better cushioning performance.

[0009] Preferably, the screw is fitted with a washer, which is located between the spring and the flexible sleeve.

[0010] This setting improves reliability.

[0011] Preferably, the screw is threaded with a nut, and the buffer plate is engaged with a spring and a nut on both sides respectively.

[0012] This design serves to adjust the supporting force that the spring exerts on the movable support plate through the connecting frame and linkage.

[0013] Preferably, the screw is provided with at least two nuts, and the adjacent nuts abut against each other.

[0014] This setting improves stability.

[0015] Preferably, the threaded sleeve is fixedly connected to a locking block, which engages with the side of the connecting frame away from the screw.

[0016] This setup enables the threaded sleeve to move the connecting bracket in different directions.

[0017] Preferably, the threaded sleeve is fixedly connected to a limiting block, and the limiting block is engaged with the side of the connecting frame near the screw.

[0018] This design prevents the connecting bracket from damaging the spring and flexible sleeve.

[0019] Preferably, the mounting plate is equipped with a ventilation pipe, which is connected to an air pump. The mounting plate has an upper ventilation hole that is connected to the ventilation pipe and is located above the movable support plate.

[0020] This design improves passenger comfort.

[0021] Preferably, the movable support plate is provided with a through groove, and the mounting plate is provided with a lower ventilation hole that communicates with the ventilation pipe, the position of the lower ventilation hole corresponding to the position of the through groove.

[0022] This design aims to further enhance passenger comfort.

[0023] Preferably, the mounting plate is fixedly connected to a mounting bracket, and the lead screw is rotatably connected to the mounting bracket.

[0024] This configuration enables the lead screw to stably drive the connecting frame to move.

[0025] Preferably, the mounting bracket is fixedly mounted with a drive component that is connected to the lead screw and drives the lead screw to rotate.

[0026] This setup enables the function of driving the lead screw to rotate.

[0027] Compared with the prior art, this utility model has achieved beneficial technical effects:

[0028] 1. When the vehicle vibrates, the adjustable lumbar support plate is compressed by the occupants and the mounting plate. As the pressure from the occupants increases, the adjustable lumbar support plate pushes the connecting bracket to slide on the threaded sleeve via a connecting rod. The connecting bracket then compresses the spring against the buffer plate, thus absorbing the impact. This application utilizes an adjustable lumbar support structure to improve the seat's cushioning effect, achieving the advantage of better cushioning performance.

[0029] 2. The flexible sleeve is made of rubber. By setting a flexible sleeve between the connecting frame and the spring, the mechanical friction transmitted to the connecting frame and the vibration generated during vehicle operation can be blocked, thereby improving the seating comfort. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a car seat with improved cushioning performance according to an embodiment of this utility model;

[0031] Figure 2 This is a structural schematic diagram of the movable support plate, connecting rod, and connecting frame in an embodiment of this utility model;

[0032] Figure 3 This is a schematic diagram of the structure of the guide rail, slider, and connecting frame in an embodiment of this utility model;

[0033] Figure 4 This is a schematic diagram of the buffer structure in an embodiment of the present invention.

[0034] The technical features referred to by the various reference numerals in the accompanying drawings are as follows:

[0035] 11. Seat frame; 12. Mounting plate; 13. Movable support plate; 14. Mounting bracket; 15. Drive component; 21. Guide rail; 22. Slider; 23. Connecting bracket; 24. Connecting rod; 25. Lead screw; 26. Threaded sleeve; 27. Locking block; 28. Limiting block; 31. Buffer plate; 32. Screw; 33. Spring; 34. Flexible sleeve; 35. Washer; 36. Nut; 41. Ventilation pipe; 42. Air pump; 43. Upper ventilation hole; 44. Lower ventilation hole; 45. Through groove. Detailed Implementation

[0036] To make the objectives, technical solutions and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments. However, the scope of protection of this utility model is not limited to the specific embodiments described below.

[0037] refer to Figure 1-4 A car seat with improved cushioning performance includes a seat frame 11, a mounting plate 12, a movable support plate 13, a drive structure, and a cushioning structure. The mounting plate 12 is fixedly mounted on the seat frame 11, and one end of the movable support plate 13 is rotatably connected to the mounting plate 12.

[0038] The drive structure includes a guide rail 21, a slider 22, a connecting frame 23, a connecting rod 24, and a lead screw 25. The guide rail 21 is fixedly mounted on the mounting plate 12. The slider 22 is slidably connected to the guide rail 21. The connecting frame 23 is fixedly connected to the slider 22. Both ends of the connecting rod 24 are rotatably connected to the connecting frame 23 and the movable support plate 13, respectively. The connecting frame 23 is provided with a threaded sleeve 26, which is threadedly connected to the lead screw 25. The threaded sleeve 26 is axially slidably connected to the connecting frame 23 and circumferentially engaged. The threaded sleeve 26 can only slide axially on the connecting frame 23 and cannot rotate. The mounting plate 12 is fixedly connected to the mounting frame 14, and the lead screw 25 is rotatably connected to the mounting frame 14. The mounting frame 14 provides support for the lead screw 25, enabling the lead screw 25 to stably drive the connecting frame 23 to move. The mounting frame 14 is fixedly mounted with a drive component 15 that is connected to and drives the lead screw 25 to rotate. The drive component 15 is a motor, and the motor output shaft drives the lead screw 25 to rotate, thus realizing the function of driving the lead screw 25 to rotate.

[0039] The buffer structure includes a buffer plate 31, a screw 32, a spring 33, and a flexible sleeve 34. The buffer plate 31 is fixedly connected to the threaded sleeve 26. The screw 32 is fixedly mounted on the connecting frame 23 and passes through the buffer plate 31. The spring 33 and the flexible sleeve 34 are sleeved on the screw 32, located between the buffer plate 31 and the connecting frame 23. A washer 35 is fitted onto the screw 32, located between the spring 33 and the flexible sleeve 34. The washer 35 increases the effective area of ​​the spring force of the spring 33 on the flexible sleeve 34, preventing the spring 33 from puncturing the washer 35 and improving reliability. A nut 36 is threadedly connected to the screw 32, and the buffer plate 31 is engaged with the spring 33 and the nut 36 on both sides. The nut 36 holds the buffer plate 31 in place, preventing it from accidentally slipping off the screw 32. Nut 36 presses down on buffer plate 31, keeping buffer plate 31 pressing down on spring 33. This ensures that spring 33 always applies elastic force to connecting frame 23, adjusting the supporting force of spring 33 on movable support plate 13 through connecting frame 23 and connecting rod 24. At least two nuts 36 are provided on screw 32, with adjacent nuts 36 abutting against each other. In this embodiment, two nuts 36 are provided on one screw 32, and the friction between the two nuts 36 and screw 32 prevents the nuts 36 from rotating accidentally during vibration, improving stability. A locking block 27 is fixedly connected to threaded sleeve 26, engaging with the side of connecting frame 23 away from screw 32. A limiting block 28 is fixedly connected to threaded sleeve 26, engaging with the side of connecting frame 23 near screw 32. The limiting block 28 limits the connection frame 23, preventing it from damaging spring 33 and flexible sleeve 34.

[0040] Mounting plate 12 is equipped with a ventilation pipe 41. The ventilation pipe 41 and movable support plate 13 are located on opposite sides of mounting plate 12. The ventilation pipe 41 is connected to an air pump 42. Mounting plate 12 has an upper ventilation hole 43 connected to the ventilation pipe 41, located above movable support plate 13. Air pump 42 drives air through ventilation pipe 41 and upper ventilation hole 43 to blow air onto the occupant's back, providing ventilation and heat dissipation for the seat and improving seating comfort. Movable support plate 13 has a through groove 45, and mounting plate 12 has a lower ventilation hole 44 connected to ventilation pipe 41. The position of lower ventilation hole 44 corresponds to the position of through groove 45. Air pump 42 drives air through ventilation pipe 41, lower ventilation hole 44, and through groove 45 to blow air onto the occupant's waist, increasing the effective ventilation and heat dissipation range and further improving seating comfort.

[0041] A sponge pad is placed on the upper part of the movable support plate 13 and the mounting plate 12, and then the sponge, seat frame 11, and mounting plate 12 are wrapped with leather or fabric. When the vehicle occupant sits in the seat, the movable support plate 13 and the mounting plate 12 support the occupant through the sponge pad. The drive member 15 drives the screw 32 to rotate, the screw 32 drives the threaded sleeve 26 connected to it to move, and the threaded sleeve 26 drives the connecting bracket 23 to move. During the movement, the connecting bracket 23 drives the movable support plate 13 to flip on the mounting plate 12 through the connecting rod 24, thereby adjusting the support position of the movable support plate 13 for the occupant. By aligning the mounting plate 12 with the position of the seat back, the adjustable movable plate is positioned at the occupant's waist. When the adjustable movable plate rotates on the mounting plate 12, the seat's support for the occupant's waist can be adjusted.

[0042] When the lead screw 25 drives the threaded sleeve 26 to move closer to the screw 32, it can engage with the connecting frame 23 through the locking block 27 and push the connecting frame 23 to move closer to the screw 32. When the lead screw 25 drives the threaded sleeve 26 to move closer to the locking block 27, it can push the connecting frame 23 to move closer to the locking block 27 through the buffer plate 31, spring 33, washer 35, and flexible sleeve 34, thus realizing the function of the threaded sleeve 26 driving the connecting frame 23 to move in different directions.

[0043] This embodiment has the following advantages:

[0044] When the vehicle vibrates, the adjustable lumbar support plate is compressed by the occupants and the mounting plate 12. As the pressure from the occupants increases, the adjustable lumbar support plate pushes the connecting bracket 23 to slide on the threaded sleeve 26 via the connecting rod 24. The connecting bracket 23 then compresses the spring 33 against the buffer plate 31, thus absorbing the impact. This application utilizes an adjustable lumbar support structure to improve the seat's cushioning effect, achieving the advantage of better cushioning performance.

[0045] The flexible sleeve 34 is made of rubber. By setting the flexible sleeve 34 between the connecting frame 23 and the spring 33, the mechanical friction and vibration generated during vehicle operation transmitted to the connecting frame 23 can be blocked, thereby improving the seating comfort.

[0046] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the utility model.

Claims

1. An automobile seat with improved cushioning performance, characterized by: The utility model provides a seat driving structure, including seat frame (11), mounting plate (12), movable support plate (13), drive structure and buffer structure, mounting plate (12) is fixedly installed on seat frame (11), movable support plate (13) one end is rotatably connected with mounting plate (12), drive structure includes guide rail (21), sliding block (22), connecting frame (23), connecting rod (24) and screw rod (25), guide rail (21) is fixedly installed on mounting plate (12), sliding block (22) is slidably connected with guide rail (21), connecting frame (23) is fixedly connected with sliding block (22), connecting rod (24) both ends are rotatably connected with connecting frame (23) and movable support plate (13) respectively, connecting frame (23) is equipped with threaded sleeve (26), threaded sleeve (26) is threadedly connected with screw rod (25), threaded sleeve (26) is axially slidably connected with connecting frame (23) and circumferentially clamped, buffer structure includes buffer plate (31), screw rod (32), spring (33) and flexible sleeve (34), buffer plate (31) is fixedly connected on threaded sleeve (26), screw rod (32) is fixedly installed on connecting frame (23) and passes through buffer plate (31), spring (33) and flexible sleeve (34) are sleeved on screw rod (32), spring (33) and flexible sleeve (34) are located between buffer plate (31) and connecting frame (23).

2. The automobile seat with improved cushioning performance according to claim 1, characterized in that: The screw rod (32) is sleeved with a gasket (35), and the gasket (35) is located between the spring (33) and the flexible sleeve (34).

3. The automobile seat with improved cushioning performance according to claim 1, wherein: The screw rod (32) is threadedly connected with a nut (36), and the buffer plate (31) is clamped on both sides of the spring (33) and the nut (36).

4. The automobile seat with improved cushioning performance according to claim 3, characterized in that: At least two nuts (36) are arranged on the screw rod (32), and adjacent nuts (36) abut each other.

5. The automobile seat with improved cushioning performance according to claim 1, wherein: The threaded sleeve (26) is fixedly connected with a clamping block (27), and the clamping block (27) is clamped on the side of the connecting frame (23) away from the screw rod (32).

6. The automobile seat with improved cushioning performance according to claim 1, wherein: The threaded sleeve (26) is fixedly connected with a limiting block (28), and the limiting block (28) is clamped on the side of the connecting frame (23) close to the screw rod (32).

7. The automobile seat with improved cushioning performance according to claim 1, wherein: The mounting plate (12) is provided with a ventilation pipe (41), the ventilation pipe (41) is communicated with an air pump (42), the mounting plate (12) is provided with an upper ventilation hole (43) communicated with the ventilation pipe (41), and the upper ventilation hole (43) is located above the movable support plate (13).

8. The automobile seat with improved cushioning performance according to claim 7, characterized in that: The movable support plate (13) is provided with a through groove (45), and the mounting plate (12) is provided with a lower ventilation hole (44) communicated with the ventilation pipe (41), and the position of the lower ventilation hole (44) corresponds to the position of the through groove (45).

9. The automobile seat with improved cushioning performance according to claim 1, wherein: The mounting plate (12) is fixedly connected with a mounting frame (14), and the screw rod (25) is rotatably connected with the mounting frame (14).

10. The automobile seat with improved cushioning performance according to claim 9, characterized in that: The mounting frame (14) is fixedly provided with a driving member (15) connected with the screw rod (25) and driving the screw rod (25) to rotate.

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