A mechanism for adjusting a car seat

Abstract

This utility model provides an automotive seat adjustment mechanism, belonging to the field of automotive seat adjustment, including a seat cushion frame, a sliding adjustment component, and a rotating adjustment component. A backrest frame is hinged to one end of the seat cushion frame. The utility model features slide rails installed on both sides of the bottom of the seat cushion frame, with sliders fixedly installed at the bottom of the slide rails. The sliders are threadedly connected to the surface of a lead screw rotatably mounted inside the slide block. Limiting strips are connected to both sides of the slide rails, slidingly intersecting the limiting grooves on both sides of the inner wall of the slide block. When the stepper motor rotates, it drives the driven bevel gear to rotate via the active bevel gear, which in turn drives the lead screw to rotate, causing the slider to slide on the surface of the lead screw. The slider drives the slide rail to slide inside the slide block, thereby causing the seat cushion frame to slide back and forth inside the slide block. This electric adjustment method allows for the adjustment of the seat's fore-and-aft position, replacing manual seat adjustment. It eliminates the need to adjust body posture and position to change the seat adjustment, providing passengers with a more convenient driving experience.

Description

Technical Field

[0001] This utility model relates to the field of automobile seat adjustment, specifically to an automobile seat adjustment mechanism. Background Technology

[0002] Car seats generally consist of a surface cover, internal foam, frame, adjustment mechanism, and body connecting parts. Seat design plays a crucial role in automotive design, as a good seat design can provide a better driving experience for both passengers and drivers. With the continuous development of the automotive industry, the needs of car seat users are receiving increasing attention, and seats are constantly evolving towards automation and intelligence. Traditional car seat adjustments are mostly manual. Manual adjustment requires the passenger to first open the seat locking mechanism with a handle, then move the seat by changing their posture and position, and finally release the locking mechanism handle to fix the seat in the selected position. This adjustment method requires the active force to be applied by the passenger in the seat, making seat adjustment very inconvenient and affecting the driving experience to some extent. Utility Model Content

[0003] The purpose of this invention is to provide an automotive seat adjustment mechanism to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an automotive seat adjustment mechanism, comprising a seat cushion frame, a sliding adjustment component, and a rotating adjustment component;

[0005] Wherein: a backrest frame is hinged to one end of the seat cushion frame, and sliding seats are installed on both sides of the bottom of the seat cushion frame;

[0006] The sliding adjustment assembly includes slide rails fixedly installed on both sides of the bottom of the seat cushion frame, a slider fixedly installed at the bottom end of the slide rails, a stepper motor installed at one bottom end of the seat cushion frame, a lead screw rotatably installed inside the slide block, the slider being threadedly connected to the surface of the lead screw, the output end of the stepper motor being drivenly connected to one end of the lead screw, the inner wall of the slide block being bent on both sides to form a limit groove, and limit strips being connected to both sides of the slide rails, the limit strips slidingly inserting into the limit grooves;

[0007] The rotation adjustment assembly includes a support arm fixedly connected to one end of the seat cushion frame. Connecting frames are fixedly connected to both sides of the bottom of the backrest frame. The bottom of the connecting frame is rotatably connected to one end of the support arm via a pivot. A fixed locking block is installed on the top of the support arm. A movable locking block is installed on the surface of the connecting frame. A torsion spring is connected between the fixed locking block and the movable locking block.

[0008] As a preferred embodiment of this utility model: an active bevel gear is fixedly installed at the output end of the stepper motor, and a driven bevel gear is fixedly installed at the end of the lead screw near the backrest frame, wherein the active bevel gear and the driven bevel gear are meshed and connected.

[0009] As a preferred embodiment of this utility model: a limiting baffle is fixedly installed at one bottom end of the seat cushion frame, and the limiting baffle is correspondingly arranged at one end of the slide rail.

[0010] As a preferred embodiment of this utility model: the top two sides of the support arm are provided with limiting protrusions extending outward, and the movable locking block is installed between the two limiting protrusions.

[0011] As a preferred embodiment of this utility model, internal support ribs are fixedly installed inside both the seat cushion frame and the backrest frame.

[0012] As a preferred embodiment of this utility model, mounting feet are fixedly installed at both ends of the bottom of the slide.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) Slide rails are installed on both sides of the bottom of the seat frame. A slider is fixedly installed at the bottom of the slide rail. The slider is threadedly connected to the surface of the screw rod that is rotatably installed inside the slide block. Limiting strips are connected to both sides of the slide rail. The limiting strips slide through the limiting grooves on both sides of the inner wall of the slide block. When the stepper motor rotates, the active bevel gear drives the driven bevel gear to rotate. The driven bevel gear drives the screw rod to rotate, so that the slider slides on the surface of the screw rod. The slider drives the slide rail to slide inside the slide block, so that the seat frame slides back and forth inside the slide block. This allows the seat to be adjusted in the front and back position by electric adjustment, replacing the manual seat adjustment method. There is no need to change the seat adjustment by adjusting the body posture and position, bringing a more convenient car use experience to passengers.

[0015] (2) With the provided rotation adjustment component, a support arm is installed at one end of the seat frame, and a connecting frame is connected to the bottom two sides of the backrest frame. The connecting frame is rotatably connected to one end of the support arm through a rotating shaft. A fixed block is installed at the top of the support arm, and a movable block is installed on the surface of the connecting frame. A torsion spring is provided between the fixed block and the movable block. When the backrest frame adjusts the angle relative to the seat frame, the connecting frame rotates forward relative to the support arm and drives the torsion spring to retract and store force through the movable block. When the backrest frame is adjusted backward, the torsion spring releases the stored force and drives the backrest frame to automatically adjust backward. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the back structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the sliding adjustment component of this utility model;

[0019] Figure 4 This is a schematic diagram of the rotation adjustment component of this utility model.

[0020] In the diagram: 1. Seat cushion frame; 2. Backrest frame; 3. Slide seat; 4. Sliding adjustment assembly; 41. Slide rail; 42. Slider; 43. Stepper motor; 44. Lead screw; 45. Limiting groove; 46. Limiting strip; 47. Active bevel gear; 48. Driven bevel gear; 5. Rotation adjustment assembly; 51. Support arm; 52. Connecting frame; 53. Rotating shaft; 54. Fixed block; 55. Movable block; 56. Torsion spring; 6. Limiting baffle; 7. Limiting protrusion; 8. Inner support rib; 9. Mounting feet. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Please see Figures 1-4 A car seat adjustment mechanism includes: a seat cushion frame 1, a sliding adjustment component 4 and a rotating adjustment component 5; a backrest frame 2 is hinged to one end of the seat cushion frame 1, and slides 3 are installed on both sides of the bottom of the seat cushion frame 1.

[0023] Please see Figure 1 , Figure 3 The sliding adjustment assembly 4 includes a slide rail 41 fixedly installed on both sides of the bottom of the seat cushion frame 1, a slider 42 fixedly installed at the bottom end of the slide rail 41, a stepper motor 43 installed at one bottom end of the seat cushion frame 1, a lead screw 44 rotatably installed inside the slide block 3, the slider 42 is threadedly connected to the surface of the lead screw 44, the output end of the stepper motor 43 is connected to one end of the lead screw 44, the inner wall of the slide block 3 is bent on both sides to form a limit groove 45, the two sides of the slide rail 41 are connected to limit strips 46, the limit strips 46 slide through the limit grooves 45, the output end of the stepper motor 43 is fixedly installed with an active bevel gear 47, the end of the lead screw 44 near the backrest frame 2 is fixedly installed with a driven bevel gear 48, and the active bevel gear 47 and the driven bevel gear 48 are meshed and connected.

[0024] In practical use: Slide rails 41 are installed on both sides of the bottom of the seat frame 1. Slide sliders 42 are fixedly installed at the bottom of slide rails 41. Slide sliders 42 are threadedly connected to the surface of lead screw 44, which is rotatably installed inside the slide block 3. Limiting strips 46 are connected to both sides of slide rails 41. The limiting strips 46 slide through the limiting grooves 45 on both sides of the inner wall of the slide block 3. When the stepper motor 43 rotates, it drives the driven bevel gear 48 to rotate through the active bevel gear 47. The driven bevel gear 48 drives the lead screw 44 to rotate, thereby causing the slider 42 to slide on the surface of the lead screw 44. The slider 42 drives the slide rail 41 to slide inside the slide block 3, thereby causing the seat frame 1 to slide back and forth inside the slide block 3. This allows the seat to be adjusted in the front and back position through electric adjustment, replacing the manual seat adjustment method. There is no need to change the seat adjustment by adjusting the body posture and position, bringing a more convenient car use experience to passengers.

[0025] Please see Figure 1 , Figure 4 The rotating adjustment assembly 5 includes a support arm 51 fixedly connected to one end of the seat cushion frame 1. Connecting frames 52 are fixedly connected to both sides of the bottom of the backrest frame 2. The bottom of the connecting frame 52 is rotatably connected to one end of the support arm 51 through a rotating shaft 53. A fixed block 54 is installed on the top of the support arm 51. A movable block 55 is installed on the surface of the connecting frame 52. A torsion spring 56 is connected between the fixed block 54 and the movable block 55.

[0026] In practical use: A support arm 51 is installed at one end of the seat cushion frame 1, and a connecting frame 52 is connected to both sides of the bottom of the backrest frame 2. The connecting frame 52 is rotatably connected to one end of the support arm 51 through a rotating shaft 53. A fixed block 54 is installed on the top of the support arm 51, and a movable block 55 is installed on the surface of the connecting frame 52. A torsion spring 56 is provided between the fixed block 54 and the movable block 55. When the backrest frame 2 is adjusted relative to the seat cushion frame 1, the connecting frame 52 rotates forward relative to the support arm 51, which drives the torsion spring 56 to retract and store force through the movable block 55. When the backrest frame 2 is adjusted backward, the torsion spring 56 releases the stored force and drives the backrest frame 2 to automatically adjust backward.

[0027] Please see Figure 3 A limit baffle 6 is fixedly installed at one end of the bottom of the seat frame 1, and the limit baffle 6 is correspondingly set at one end of the slide rail 41.

[0028] In practical use: A limit baffle 6 is installed at one bottom end of the seat cushion frame 1. When the slider 42 drives the slide rail 41 to adjust away from the driver's seat, the slide rail 41 stops moving after contacting the limit baffle 6. At this time, the seat cushion frame 1 is at the maximum displacement of the rearward adjustment, which plays the role of limiting the sliding adjustment range.

[0029] Please see Figure 4 Limiting protrusions 7 are provided on both sides of the top of the support arm 51, and movable locking blocks 55 are installed between the two limiting protrusions 7.

[0030] In practical use: The top two sides of the support arm 51 are provided with limiting protrusions 7, and the movable block 55 is installed between the two limiting protrusions 7, so that the movement range of the movable block 55 is limited by the two limiting protrusions 7, thereby limiting the range of angle adjustment of the backrest frame 2 relative to the seat cushion frame 1.

[0031] Please see Figure 2 Both the seat frame 1 and the backrest frame 2 have internal support ribs 8 fixedly installed inside.

[0032] In practical use: The seat cushion frame 1 and the backrest frame 2 are equipped with internal support ribs 8. The internal support ribs 8 play a role in strengthening the structural stability and at the same time facilitate the installation of the car seat cushion.

[0033] Please see Figure 1 Mounting feet 9 are fixedly installed at both ends of the bottom of the slide 3.

[0034] In practical use: The slide 3 is mounted on the vehicle body through the mounting feet 9 at both ends of the bottom, which facilitates the installation of the seat.

[0035] Slide rails 41 are installed on both sides of the bottom of the seat frame 1. Slide blocks 42 are fixedly installed on the bottom of the slide rails 41. The slide blocks 42 are threadedly connected to the surface of the lead screw 44 rotatably installed inside the slide block 3. Limiting strips 46 are connected to both sides of the slide rails 41. The limiting strips 46 slide through the limiting grooves 45 on both sides of the inner wall of the slide block 3. When the stepper motor 43 rotates, it drives the driven bevel gear 48 to rotate through the active bevel gear 47. The driven bevel gear 48 drives the lead screw 44 to rotate, thereby causing the slide block 42 to slide on the surface of the lead screw 44. The slide block 42 drives the slide rails 41 to slide inside the slide block 3, thereby causing the seat frame 1 to slide back and forth inside the slide block 3. This allows the seat to be adjusted in the fore-and-aft position by electric adjustment, replacing the manual seat adjustment method. There is no need to change the seat adjustment by adjusting the body posture and position, bringing a more convenient car use experience to passengers.

[0036] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A car seat adjustment mechanism, characterized in that, include: A seat frame (1) is hinged to one end of a backrest frame (2), and sliding seats (3) are installed on both sides of the bottom of the seat frame (1). The sliding adjustment assembly (4) includes a slide rail (41) fixedly installed on both sides of the bottom of the seat frame (1), a slider (42) fixedly installed at the bottom end of the slide rail (41), a stepper motor (43) installed at one end of the seat frame (1), a lead screw (44) rotatably installed inside the slide block (3), the slider (42) is threadedly connected to the surface of the lead screw (44), the output end of the stepper motor (43) is connected to one end of the lead screw (44), the inner wall of the slide block (3) is bent on both sides to form a limiting groove (45), and a limiting strip (46) is connected to both sides of the slide rail (41), the limiting strip (46) slides through the limiting groove (45); The rotating adjustment assembly (5) includes a support arm (51) fixedly connected to one end of the seat cushion frame (1). Both sides of the bottom of the backrest frame (2) are fixedly connected to a connecting frame (52). The bottom of the connecting frame (52) is rotatably connected to one end of the support arm (51) through a rotating shaft (53). A fixed block (54) is installed on the top of the support arm (51). A movable block (55) is installed on the surface of the connecting frame (52). A torsion spring (56) is connected between the fixed block (54) and the movable block (55).

2. The automobile seat adjustment mechanism according to claim 1, characterized in that: The output end of the stepper motor (43) is fixedly equipped with an active bevel gear (47), and the end of the lead screw (44) near the backrest frame (2) is fixedly equipped with a driven bevel gear (48). The active bevel gear (47) and the driven bevel gear (48) are meshed and connected.

3. The automobile seat adjustment mechanism according to claim 1, characterized in that: A limiting baffle (6) is fixedly installed at one end of the bottom of the seat frame (1), and the limiting baffle (6) is correspondingly set at one end of the slide rail (41).

4. The automobile seat adjustment mechanism according to claim 1, characterized in that: The top two sides of the support arm (51) are provided with limiting protrusions (7), and the movable block (55) is installed between the two limiting protrusions (7).

5. The automotive seat adjustment mechanism of claim 1, wherein: Both the seat cushion frame (1) and the backrest frame (2) are fixedly installed with internal support ribs (8).

6. The automotive seat adjustment mechanism of claim 1, wherein: Mounting feet (9) are fixedly installed at both ends of the bottom of the slide (3).

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