WO2024061240A1

WO2024061240A1 - Seat adjustment mechanism, seat and vehicle

Info

Publication number: WO2024061240A1
Application number: PCT/CN2023/119852
Authority: WO
Inventors: 刘林森; 刘渝; 苗辉; 禹万波
Original assignee: 重庆长安汽车股份有限公司
Priority date: 2022-09-23
Filing date: 2023-09-19
Publication date: 2024-03-28
Also published as: CN115923611A

Abstract

The present invention belongs to the technical field of automobile seats, and provides a seat adjustment mechanism, a seat and a vehicle. The seat adjustment mechanism comprises a base, a seat frame, dual-connection-rod structures, an angle adjustment driving assembly, a height adjustment assembly and a height adjustment driving assembly. The structure of the height adjustment assembly comprises a height adjustment toothed plate, the height adjustment toothed plate comprising a toothed plate connection rod and a sector gear which are integrally formed; one end of the toothed plate connection rod is hinged to the base, and the other end of the toothed plate connection rod is rotatably connected to the seat frame. The height adjustment driving assembly comprises a height adjustment driving motor and a height adjustment driving gear, the height adjustment driving motor being mounted on the seat frame, and the height adjustment driving gear being fixed to an output shaft of the height adjustment driving motor and being meshed with the sector gear. The present invention simplifies the structure of the seat adjustment mechanism and reduces the weight of the seat adjustment mechanism while ensuring that a seat adjustment process is stable and comfortable, thereby saving more mounting space and further reducing the cost.

Description

Seat adjustment mechanism, seat and vehicle

Technical field

The invention belongs to the technical field of automobile seats, and specifically relates to a seat adjustment mechanism, a seat and a vehicle.

Background technique

With the popularity and advancement of cars, people spend more and more time in cars, and their requirements for the comfort of cars are getting higher and higher. When riding in a car, in order to have a more comfortable ride, people would like the seat to be adjusted as far back as possible so that people can lie down in the car and rest. This has led to the development of zero-gravity seats. This kind of seat has functions such as backrest angle adjustment, leg rest extension length adjustment, leg rest angle adjustment, seat height adjustment, and seat angle adjustment. Due to its rich adjustment capabilities, it can satisfy the occupants' adjustment according to their own feelings. The purpose of the seat posture is to reduce joint tension and greatly improve riding comfort.

In the existing technology, the height adjustment of the seat is generally based on a four-bar linkage mechanism, that is, the front and rear parts of the seat frame and the base are respectively connected by connecting rods. The rotation of the connecting rod drives the entire seat frame to rise and fall. In the existing It is widely used in seats. However, in the prior art, the height adjustment and angle adjustment of the seat are independent of each other, resulting in a very complicated frame structure at the bottom of the seat. In addition, the angle adjustment of the seat frame also has problems of insufficient adjustment stability and comfort.

Chinese patent (application publication number: CN 113352961 A) discloses a zero-gravity seat frame adjustment system, which includes a base. A seat frame is provided above the base, and the two sides of the rear part of the seat frame are respectively between the base and the seat frame. Connected by high-profile connecting rods, any high-profile connecting rod is connected to a high-profile component. There are two linkage mechanisms between the left and right sides of the front of the seat frame and the base. The two linkage mechanisms are respectively connected to a rotational driving mechanism, and the rotational driving mechanism is connected with the base. Any one of the corresponding two-link mechanisms is connected, and the two rotation drive mechanisms are facing each other on the left and right. A synchronous rotation rod is connected between them, and the synchronous rotation rod is connected with an inclination angle adjustment drive device.

Although the above-mentioned patent can combine the height adjustment and angle adjustment structures to simplify the seat bottom frame. However, in the above-mentioned patent, two high-profile connecting rods are provided at the front end of the seat frame, and a high-profile component is designed for one of the high-profile connecting rods. The two high-profile connecting rods and high-profile components are placed under the seat frame, which not only has a complex structure and heavy weight, but also occupies a large space in the lower part of the seat frame, which is not conducive to the installation of heating devices, ventilation devices, massage devices and other equipment in the lower part of the seat frame. In addition, it is easy to produce abnormal noise, which is not conducive to the riding experience of the passengers.

Contents of the invention

The purpose of the present invention is to provide a seat adjustment mechanism, a seat and a vehicle to solve the problems pointed out in the background art. The design of two high-profile connecting rods and high-profile components in the prior art is not only complex in structure but heavy in weight. , and occupies a larger space in the lower part of the seat frame, which is not conducive to the installation of heating devices, ventilation devices, massage devices and other equipment in the lower part of the seat frame.

In order to achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

In the first aspect, a seat adjustment mechanism is provided, including:

base;

A seat frame is provided on the upper side of the base and is used to install the seat;

A two-link structure, installed between one end of the seat frame and the base, for adjusting the tilt angle of the seat frame;

Angle adjustment drive assembly, used to drive the movement of the two-link structure;

A high-profile component, installed between the end of the seat frame away from the two-link structure and the base, for adjusting the height of the seat frame; and

Height adjustment drive assembly, used to drive the movement of the high-profile connecting rod structure;

The high-profile component structure includes a high-profile tooth plate. The high-profile tooth plate includes an integrally formed tooth plate connecting rod and a sector gear. One end of the tooth plate connecting rod is hinged with the base, and the other end of the tooth plate connecting rod is hinged. Rotally connected to the seat frame; the height adjustment drive assembly includes a high-profile drive motor and a high-profile drive gear. The high-profile drive motor is installed on the seat frame. The high-profile drive gear is fixed to the high-profile drive motor. on the output shaft and meshes with the sector gear.

By adopting the above technical solution, the tooth plate connecting rod and the sector gear are integrated into one body to form a high-profile tooth plate, which serves as a link structure for adjusting the height of the seat frame and a driven structure for driving the movement of the link structure. Compared with the existing design, this design is simpler and lighter, does not occupy much space in the lower part of the seat frame, and is conducive to the installation of heating devices, ventilation devices, massage devices and other equipment in the lower part of the seat frame. In addition, the toothed plate connecting rod and sector gear are integrated into a one-piece high-profile toothed plate, which reduces the connection structure between the high-profile toothed plate and other components, thereby reducing the source of abnormal noise produced by the structure and improving the riding experience of the occupants.

It is further limited that the high-profile assembly also includes a connecting crossbar and a high-profile connecting rod. Both ends of the connecting crossbar are hinged to both sides of the seat frame respectively, and one end of the connecting crossbar is connected to the high-profile tooth plate. One end away from the base is fixed, the other end of the connecting crossbar is fixed to one end of the high-profile connecting rod, and the end of the high-adjusting connecting rod away from the connecting crossbar is hingedly connected to the base.

By adopting the above technical solution and through the cooperation of the connecting cross bar, the high-profile connecting rod and the high-profile gear plate, the seat frame is made more stable when adjusting the height, thereby improving the riding experience of the occupants.

It is further limited that the height adjustment drive assembly further includes a high-profile motor mounting bracket, and the high-profile drive motor is fixed on the seat frame through the high-profile motor mounting bracket.

By adopting the above technical solution, the assembly or disassembly of the high-profile drive motor is facilitated.

It is further limited that the sector gear is provided with an arc-shaped limit hole, and the center of the arc-shaped trajectory of the limit hole coincides with the center of the circle of the sector gear; the height adjustment drive assembly also includes a limit member, so The limiting member is installed between the high-profile motor mounting bracket and the high-profile driving motor. The limiting member passes through the limiting hole and can move along the arcuate trajectory of the limiting hole.

By adopting the above technical solution and the mutual cooperation of the limit member and the limit hole, the rotation angle of the sector gear can be limited, and the sector gear and the high-profile drive gear can be prevented from disengaging, making the structure of the adjustment mechanism more scientific and reasonable.

It is further limited that the number of the two-link structures is two, and the two two-link structures are arranged facing each other between the base and the seat frame.

By adopting the above technical solution, the seat frame can be more stable when adjusting the inclination angle of the seat frame.

It is further limited that the two-link structure includes a first link and a second link, one end of the first link is hinged to the base, and the other end of the first link is hinged to the second link. One end of the second link is hinged, one end of the second link away from the first link is hinged with the seat frame, and the height adjustment drive assembly is used to drive the first link or the second link to rotate, To increase or decrease the angle between the first link and the second link.

By adopting the above technical solution and the mutual cooperation of the first link and the second link, the inclination of the seat frame can be adjusted. The purpose of bevel angle.

It is further limited that the two-link structure further includes an angle adjuster, and the end of the first link away from the base and the end of the second link away from the seat frame are hingedly connected through the angle adjuster.

By adopting the above technical solution, an angle adjuster is installed between the first connecting rod and the second connecting rod, making the two connecting rods more stable when increasing or decreasing the angle.

It is further limited that the adjuster includes a fixed part and a rotating part. The rotating part is installed on the fixed part and can rotate relative to the fixed part. The fixed part is fixed on the first link away from the base. On one end of the second link, the rotating part is fixed on an end of the second link away from the seat frame.

By adopting the above technical solution, the hinge between the first connecting rod and the second connecting rod is achieved.

It is further limited that the fixed part is provided with a number of bite points, the first connecting rod is provided with a number of bite grooves that are adapted to the bite points, and the bite points snap into the bite grooves to achieve the above The fixation of the fixing part and the first connecting rod.

By adopting the above technical solution, it is convenient to assemble the fixed part and the first connecting rod together.

It is further defined that the angle adjustment drive assembly includes a synchronous connecting rod and an angle adjustment drive motor, the two ends of the synchronous connecting rod are respectively fixed to the rotating parts of the two angle adjusters of the two-link structure, and the angle adjustment drive motor is installed on the first connecting rod of one of the two-link structures and is used to drive the synchronous connecting rod to rotate.

By adopting the above technical solution, the driving point of the two-link structure is set at the hinge between the first link and the second link, so that the angle adjustment drive motor transmits the torsion force to the two-link structure through the angle adjuster. At this time, the torsion force can be transmitted from the hinge of the first link and the second link to the first link and the second link simultaneously, so that the torsion force can reach the first link and the second link synchronously and evenly. rod, thereby making the first connecting rod and the second connecting rod more stable when they move to increase or decrease the angle. In the existing design, the driving point of the two-link structure is set at the hinge between the first link and the base, thereby first driving the first link to rotate, and then forcibly driving the second link through the first link. When the connecting rod rotates, the torsion force of the angle-adjusting drive motor is transferred from the first connecting rod to the second connecting rod. The transmission of the torsion force is asynchronous and uneven. Not only is the stability not high, but it is also prone to abnormal noise. Compared with the existing design, in this embodiment, the driving point is set at the hinge between the first link and the second link, which not only makes the angle adjustment process of the seat frame smoother, but also makes it less likely to cause Abnormal noise. In addition, with this arrangement, the angle adjustment drive motor can be directly installed on the first connecting rod, which not only saves the installation structure and installation space of the angle adjustment drive motor, but also allows the angle adjustment drive motor to drive the second link through the angle adjuster. When the connecting rod rotates, it can follow the rotation of the first connecting rod, which can indirectly increase the torsional force of the adjusting drive motor.

It is further limited that the seat adjustment mechanism further includes a slide rail assembly, the slide rail assembly includes a slide rail and a sliding part, the slide rail is installed on the floor in the vehicle, and the sliding part is slidably installed on the slide rail. on, the base is installed on the slide rail.

By adopting the above technical solution, the purpose of base sliding is achieved.

In a second aspect, a seat is provided, comprising a seat body and a seat adjustment mechanism as described in any one of the first aspects, wherein the seat adjustment mechanism is mounted at the bottom of the seat body.

By adopting the above technical solution, installing a seat adjustment mechanism at the bottom of the seat body not only facilitates the adjustment of the height, tilt angle, and front and rear position of the seat, but also reduces the risk of abnormal noise when various adjustment functions are used. It also makes the seat lighter to achieve the goal of lightweighting the car body, and also allows more space at the bottom of the seat body for the installation of heating devices, ventilation devices, massage devices and other equipment, thereby enriching the functions of the seat.

A third aspect provides a vehicle, which includes a vehicle body and a seat as described in the second aspect, the seat being installed inside the vehicle body.

By adopting the above technical solution and installing the seat inside the vehicle body, the passenger experience can be improved and the passenger's high demand for car seats can be met.

The invention adopting the above technical solution has the following advantages:

1. The present invention integrates the toothed plate connecting rod and the sector gear into one body to form a high-profile toothed plate, which serves as a connecting rod structure for adjusting the height of the seat frame and a driven structure for driving the movement of the connecting rod structure. Compared with the existing design, the design of this application is simpler and lighter, does not occupy much space in the lower part of the seat frame, and is conducive to the installation of heating devices, ventilation devices, massage devices and other equipment in the lower part of the seat frame. In addition, the toothed plate connecting rod and sector gear are integrated into a one-piece high-profile toothed plate, which reduces the connection structure between the high-profile toothed plate and other components, thereby reducing the possibility of abnormal noise from the structure and improving the riding experience of the occupants.

2. The present invention sets the driving point of the two-link structure at the hinge between the first link and the second link, so that when the angle adjustment drive motor transmits the torsional force to the two-link structure through the angle adjuster, The torsion force can be transmitted from the hinge of the first link and the second link to the first link and the second link simultaneously, so that the torsion force can reach the first link and the second link synchronously and evenly, This makes the first connecting rod and the second connecting rod more stable when they move to increase or decrease the included angle. In the existing design, the driving point of the two-link structure is set at the hinge between the first link and the base, thereby first driving the first link to rotate, and then forcibly driving the second link through the first link. When the connecting rod rotates, the torsion force of the angle-adjusting drive motor is transferred from the first connecting rod to the second connecting rod. The transmission of the torsion force is asynchronous and uneven. Not only is the stability not high, but it is also prone to abnormal noise. Compared with the existing design, in this application, the driving point is set at the hinge between the first link and the second link, which not only makes the angle adjustment process of the seat frame smoother, but also makes it less likely to produce abnormalities. ring. In addition, with this arrangement, the angle adjustment drive motor can be directly installed on the first connecting rod, which not only saves the installation structure and installation space of the angle adjustment drive motor, but also allows the angle adjustment drive motor to drive the second link through the angle adjuster. When the connecting rod rotates, it can follow the rotation of the first connecting rod, which can indirectly increase the torsional force of the adjusting drive motor.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts. In addition, in the drawings, the same components are given the same reference numerals, and the drawings are not drawn to actual scale.

Figure 1 is a schematic structural diagram of the seat adjustment mechanism in Embodiment 1 of the present invention;

Figure 2 is a schematic structural diagram of the seat adjustment mechanism without the seat frame in Embodiment 1 of the present invention;

Figure 3 is an exploded schematic diagram showing the cooperation between the high-profile tooth plate and the angle adjustment drive assembly in Embodiment 1 of the present invention;

Figure 4 is an exploded schematic diagram showing the cooperation between the two-link structure and the height adjustment drive assembly in Embodiment 1 of the present invention;

Figure 5 is an exploded schematic diagram showing the cooperation between the first connecting rod and the fixed part in Embodiment 1 of the present invention;

FIG6 is a schematic diagram of the structure of the seat adjustment mechanism after adjusting the angle in the first embodiment of the present invention;

The main component symbols are explained as follows: 110. Front foot plate bracket A; 120. Front foot plate bracket B; 130. Rear foot plate bracket A; 140. Rear foot plate bracket B; 200. Seat frame; 210. Seat frame frame plate A; 220. Seat frame frame plate B; 230. Front cross bar of frame plate; 300. Two-link structure; 310. First link; 311 , bite groove; 320, second link; 330, angle adjuster; 331, fixed part; 332, rotating part; 333, bite point; 400, angle adjustment drive component; 410, synchronous connecting rod; 420, angle adjustment drive Motor; 500, high-profile component; 510, high-profile tooth plate; 511, tooth plate connecting rod; 512, sector gear; 513, limit hole; 520, connecting cross bar; 530, high-profile connecting rod; 600, height adjustment drive component; 610. High-profile drive motor; 620. High-profile drive gear; 630. High-profile motor mounting bracket; 640. Limiter; 700. Slide rail assembly; 710. Slide rail; 720. Sliding part.

Detailed ways

The following describes the implementation of the present invention through specific specific examples. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are only for illustrative purposes. They are only schematic diagrams, not physical diagrams, and cannot be understood as limitations of the present invention. In order to better illustrate the embodiments of the present invention , some components in the figures may be omitted, enlarged or reduced, which do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the figures.

The same or similar numbers in the figures of the embodiments of the present invention correspond to the same or similar components. In the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", The orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the figures, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have specific characteristics. orientation, structure and operation in specific orientations. Therefore, the terms describing the positional relationships in the figures are only for illustrative purposes and cannot be understood as limitations of the present invention. For those of ordinary skill in the art, the above can be understood according to specific circumstances. The specific meaning of the term.

Embodiment 1

As shown in Figures 1 to 6, this embodiment provides a seat adjustment mechanism, which includes a base, a seat frame 200, a two-link structure 300, an angle adjustment drive assembly 400, a high-profile assembly 500 and a height adjustment Drive assembly 600. Among them, the base is installed on the floor inside the vehicle as the carrier of the entire seat adjustment mechanism; the seat frame 200 is provided on the upper side of the base for installing the seat; the two-link structure 300 is installed between one end of the seat frame 200 and the base. The two-link structure 300 cooperates with the base, the seat frame 200 and the high-profile assembly 500 to form a five-link structure, and the angle of the two-link structure 300 can be increased or reduced, thereby adjusting the inclination angle of the seat frame 200 ; The angle adjustment drive assembly 400 is used to drive the movement of the two-link structure 300, specifically to drive the angle of the two-link structure 300 to increase or decrease, so as to achieve the purpose of adjusting the inclination angle of the seat frame 200; the high-profile assembly 500 is installed on the seat The frame 200 is between one end of the two-link structure 300 and the base. When the two-link structure 300 is locked by the angle adjustment drive assembly 400, the two-link structure 300 can be regarded as a connecting rod. In this state, the high-profile The assembly 500 cooperates with the base, the seat frame 200 and the two-link structure 300 to form a four-link structure, so that the height of the seat frame 200 can be adjusted by adjusting the position of the high-profile assembly 500; the height adjustment drive assembly 600 is used to drive the high-profile The connecting rod 530 moves structurally, thereby achieving the purpose of adjusting the height of the seat frame 200 .

In this embodiment, the structure of the high-profile assembly 500 includes a high-profile toothed plate 510. The high-profile toothed plate 510 includes an integrally formed toothed plate connecting rod 511 and a sector gear 512. One end of the toothed plate connecting rod 511 is hinged with the base. The toothed plate connecting rod 511 The other end is rotatably connected to the seat frame 200. The tooth plate connecting rod 511 cooperates with the base, the seat frame 200 and the two-link structure 300 in the locked state to form a four-link structure. When the lower end of the tooth plate connecting rod 511 rotates around the base, the four-link structure can be made The structure deforms, thereby adjusting the height of the seat frame 200 . The height adjustment drive assembly 600 includes a high-profile drive motor 610 and a high-profile drive gear 620. The high-profile drive motor 610 is installed outside the sides of the seat frame 200 so that the high-profile drive motor 610 does not occupy the internal space of the seat frame 200. The output shaft of the high-profile drive motor 610 penetrates into the seat frame 200 and is connected with the high-profile The drive gear 620 is fixed, and the high-profile drive gear 620 and the sector gear 512 mesh with each other. When the high-profile drive motor 610 drives the high-profile drive gear 620 to rotate, it can drive the sector gear 512 to rotate, so that the tooth plate connecting rod 511 rotates around the base, thereby reaching the adjustment seat. Box 200 height purpose. It should be noted that the high-profile drive motor 610 in this embodiment is preferably a reduction motor with a self-locking function.

In this embodiment, the tooth plate connecting rod 511 and the sector gear 512 are integrated into one body to form a high-profile tooth plate 510, which serves as a link structure for adjusting the height of the seat frame 200 and a driven structure for driving the movement of the link structure. Compared with the existing design, this design is simpler and lighter, does not occupy much space in the lower part of the seat frame 200, and is conducive to installing heating devices, ventilation devices, massage devices and other equipment in the lower part of the seat frame. In addition, the toothed plate connecting rod 511 and the sector gear 512 are integrated into the one-piece high-profile toothed plate 510, which reduces the connection structure between the high-profile toothed plate 510 and other components, thereby reducing the source of abnormal noise generated by the structure and improving the safety of the occupants. riding experience.

In this embodiment, the base includes four footboard brackets, namely front footboard bracket A110, front footboard bracket B120, rear footboard bracket A130 and rear footboard bracket B140. Among them, the front foot plate bracket A110 and the front foot plate bracket B120 are set on the side near the front of the car and are used to install the two-link structure 300; while the rear foot plate bracket A130 and the rear foot plate bracket B140 are set on the side near the rear of the car and are used to install the high-profile Components 500. In addition, the relative distance between the front foot plate bracket A110 and the rear foot plate bracket A130 remains fixed and can be regarded as a connecting rod; the relative distance between the front foot plate bracket B120 and the rear foot plate bracket B140 remains fixed and can also be regarded as a connecting rod. .

In this embodiment, the seat frame 200 includes a seat frame frame plate A210, a seat frame frame plate B220 and a frame plate front cross bar 230. Among them, the seat frame frame plate A210 and the seat frame frame plate B220 are arranged symmetrically from left to right. The two ends of the frame plate front crossbar 230 are respectively connected with the seat frame frame plate A210 and the seat frame frame plate B220, and the frame plate front crossbar 230 is arranged on the seat frame frame. The end of plate A210 and seat frame frame plate B220 close to the front of the car.

In this embodiment, in order to cooperate with the above-mentioned structure of the base and the seat frame 200, the high-profile assembly 500 also includes a connecting cross bar 520 and a high-profile connecting rod 530. Both ends of the connecting cross bar 520 are hinged with the seat frame frame plate A210 and the seat frame frame plate B220 respectively, and the connecting cross bar 520 is provided at one end of the seat frame frame plate A210 and the seat frame frame plate B220 near the rear of the vehicle, connecting the cross bar 520 with The seat frame frame plate A210, the seat frame frame plate B220 and the frame plate front crossbar 230 cooperate with each other to form a rectangular-like structure, which on the one hand makes the structure of the seat frame 200 more stable, and on the other hand is used to connect the high-profile tooth plate 510 and the connection Crossbar 520. One end of the high-profile toothed plate 510 of the connecting crossbar 520 is fixed at one end away from the base, so that the toothed plate connecting rod 511 in the high-adjusted toothed plate 510 is hinged to the seat frame 200 through the connecting crossbar 520, and the toothed plate connecting rod 511 is away from the connecting crossbar. One end of 520 is hinged with the rear foot plate bracket A130. In addition, the axis of the sector gear 512 in the high-profile tooth plate 510 coincides with the axis of the connecting cross bar 520 , that is, the sector gear 512 can rotate around the axis of the connecting cross bar 520 . The other end of the connecting crossbar 520 is fixed to one end of the high-profile connecting rod 530. The high-profile connecting rod 530 and the tooth plate connecting rod 511 in the high-profile tooth plate 510 are arranged symmetrically. The high-profile connecting rod 530 is far away from one end of the connecting crossbar 520 and the rear foot plate. Bracket B140 articulated. Through the cooperation of the connecting cross bar 520 , the high-profile connecting rod 530 and the high-profile gear plate 510 , the seat frame 200 is more stable when adjusting the height, thereby improving the riding experience of the occupants.

In this embodiment, the height adjustment drive assembly 600 also includes a high-profile motor mounting bracket 630. A plurality of bolts are fixed on the high-profile drive motor 610. The screws of the bolts pass through the seat frame frame plate A210. The high-profile motor mounting bracket 630 is installed on the seat frame frame plate. The high-profile drive motor 610 is fixed on the seat frame frame plate A210 of the seat frame 200 by cooperating with the bolts and nuts on the high-profile drive motor 610. This arrangement facilitates assembly and disassembly of the high-profile drive motor 610. In addition, the high-profile motor mounting bracket 630 has a space that blocks the high-profile drive gear 620. The high-profile motor mounting bracket 630 is provided with a shaft hole in the space, and the output shaft of the high-profile drive motor 610 is also rotatably installed in the shaft hole. Therefore, when the high-profile drive motor 610 drives the high-profile drive gear 620 to rotate, it will be more stable and the risk of abnormal noise will be reduced.

In this embodiment, the sector gear 512 is provided with an arc-shaped limit hole 513, and the center of the arc-shaped trajectory of the limit hole 513 coincides with the center of the circle of the sector gear 512; the height adjustment drive assembly 600 also includes a limit member 640. The positioning member 640 is installed between the high-profile motor mounting bracket 630 and the high-profile driving motor 610. The limiting member 640 passes through the limiting hole 513 and can move along the arcuate trajectory of the limiting hole 513, thereby limiting the rotation angle of the sector gear 512. , to prevent the sector gear 512 and the high-profile driving gear 620 from disengaging, making the structure of the adjustment mechanism more scientific and reasonable.

The limiting member 640 in this embodiment can be a bolt bushing. One of the bolts on the high-profile drive motor 610 passes through the limiting hole 513, and the bolt bushing is located in the limiting hole 513 and is sleeved on the limiting hole. on the bolts in the holes 513 to limit the sector gear 512 and prevent the sector gear 512 from disengaging from the high-profile driving gear 620 .

In this embodiment, the number of the two-link structures 300 is two, and the two two-link structures 300 are arranged facing each other left and right between the base and the seat frame 200, so that when the inclination angle of the seat frame 200 is adjusted, the seat frame 200 can be more stable.

This embodiment takes the two-link structure 300 provided on one side of the seat frame frame plate A210 and the front foot plate bracket A110 as an example to describe the two-link structure 300 in detail. Specifically, the two-link structure 300 includes a first link 310 and a second link 320. One end of the first link 310 is hinged with the front foot plate bracket A110, and the other end of the first link 310 is connected with the second link 320. One end of the second link 320 is hinged, and the end of the second link 320 away from the first link 310 is hinged with the seat frame frame plate A210 to cooperate with the base, the seat frame 200 and the high-profile assembly 500 to form a five-link structure. The height adjustment drive assembly 600 is used to drive the first link 310 or the second link 320 to rotate, thereby increasing or reducing the angle between the first link 310 and the second link 320, thereby adjusting the seat frame. 200 degree tilt angle purpose. The two-link structure 300 provided on one side of the seat frame frame plate B220 and the front foot plate bracket B120 is installed in the same manner as the above-mentioned two-link structure 300 and will not be described again.

In this embodiment, the two-link structure 300 also includes an angle adjuster 330. The end of the first link 310 away from the base and the end of the second link 320 away from the seat frame 200 are hinged through the angle adjuster 330, and the height adjustment drive assembly 600 directly drives the angle adjuster 330 to move, thereby driving the first link 310 and the second link 320 to increase or decrease the angle. By installing the angle adjuster 330 between the first connecting rod 310 and the second connecting rod 320, the two connecting rods are made more stable when increasing or decreasing the angle.

The above-mentioned adjuster may be an eccentric angle adjuster or a concentric angle adjuster. In this embodiment, considering that the torque of the eccentric angle adjuster is relatively large, the angle adjuster 330 in this embodiment is preferably an eccentric angle adjuster. device.

Specifically, the internal structure of the adjuster may include a fixed portion 331 and a rotating portion 332. The rotating portion 332 is mounted on the fixed portion 331 and can rotate relative to the fixed portion 331. The specific structures of the fixed portion 331 and the rotating portion 332 are all prior art and will not be described in detail. The fixed portion 331 of the recliner 330 is fixed to an end of the first connecting rod 310 away from the base, and the rotating portion 332 of the recliner 330 is fixed to an end of the second connecting rod 320 away from the seat frame 200, thereby achieving a stable hinge between the first connecting rod 310 and the second connecting rod 320.

In this embodiment, the rotating part 332 and the second link 320 may be fixed by welding, and the fixed part 331 and the first link 310 may also be fixed by welding.

In other embodiments, in order to facilitate the assembly of the angle adjuster 330 , the fixing method of the fixing part 331 and the first link 310 may also adopt a snap-fixing method. Specifically, as shown in Figure 5, a number of protruding bite points 333 are fixed on the fixed part 331, and a number of bite grooves 311 adapted to the bite points 333 are provided on the connection surface between the first link 310 and the fixed part 331. When all the bite points 333 snap into the matching bite grooves 311, the fixing part 331 and the first link 310 can be fixed. This arrangement can greatly improve the assembly efficiency of the adjustment mechanism.

In this embodiment, the angle adjustment drive assembly 400 includes a synchronization link 410 and an angle adjustment drive motor 420. Both ends of the synchronization link 410 are connected to the two angle adjusters 330 of the two-link structure 300 through spline connection. Rotating part 332 is fixed, and the angle adjustment drive motor 420 is used to drive the synchronization link 410 to rotate. The angle adjustment drive motor 420 can be a reduction motor with a self-locking function, and the angle adjustment drive motor 420 is directly installed on the first link 310 of one of the two-link structures 300, using the first link 310 as the angle adjustment drive. The mounting bracket of the motor 420 can save the installation structure and installation space. When the angle adjustment drive motor 420 drives the synchronizing link 410 to rotate, the synchronizing link 410 can simultaneously drive the rotating parts 332 of the two angle adjusters 330 to rotate relative to their fixed parts 331, thereby driving the first link 310 and the second link. The rod 320 rotates reversely at the same time, so that the angle between the first link 310 and the second link 320 increases or decreases. This embodiment uses the synchronization link 410 and the two adjusters to cooperate with each other, so that synchronization and balance can be maintained when adjusting the inclination angle of the seat frame 200, thereby improving the stability of the seat frame 200.

It should be noted that in this embodiment, the driving point of the two-link structure 300 is set at the hinge between the first link 310 and the second link 320, so that the angle adjustment drive motor 420 passes the torsion force through the angle adjuster. 330 is transmitted to the two-link structure 300, the torsional force can be simultaneously transmitted from the hinge of the first link 310 and the second link 320 to the first link 310 and the second link 320, so that the torsional force can be synchronized And reach the first link 310 and the second link 320 in a balanced manner, so that the first link 310 and the second link 320 are more stable when they move to increase or decrease the included angle. In the existing design, the driving point of the two-link structure 300 is set at the hinge between the first link 310 and the base, thereby first driving the first link 310 to rotate, and then through the first link 310 The second link 320 is forced to rotate, and the torsion force of the angle adjustment drive motor 420 is transferred from the first link 310 to the second link 320. The transmission of the torsion force is not synchronized and unbalanced. Not only is the stability not high, but it is also easy to produce abnormal noise. Compared with the existing design, in this embodiment, the driving point is set at the hinge between the first link 310 and the second link 320, which not only makes the angle adjustment process of the seat frame 200 smoother, but also makes the angle adjustment process of the seat frame 200 smoother. It is not easy to produce abnormal noise. In addition, with this arrangement, the angle adjustment drive motor 420 can also be directly installed on the first connecting rod 310, which not only saves the installation structure and installation space of the angle adjustment drive motor 420, but also allows the angle adjustment drive motor 420 to be adjusted through the angle adjustment. When the controller 330 drives the second link 320 to rotate, it can follow the rotation of the first link 310, which can indirectly increase the torsional force of the adjustment drive motor.

In this embodiment, the seat adjustment mechanism may also include two slide rail assemblies 700 , and the two slide rail assemblies 700 are symmetrically arranged on the left and right sides. The slide rail assembly 700 is preferably an electric slide rail 710 for easy adjustment. The slide rail assembly 700 includes a slide rail 710 and a sliding part 720. The slide rail 710 is fixedly installed on the floor in the vehicle. The sliding part 720 is slidably installed on the slide rail 710. The base is installed on the slide rail 710. Specifically, the front foot plate bracket A110 and the rear foot plate bracket A130 in the base are jointly fixed on one of the sliding parts 720 by bolts, and the front foot plate bracket B120 and the rear foot plate bracket B140 in the base are jointly fixed by bolts. On another sliding part 720, the purpose of sliding the base is achieved.

Embodiment 2

This embodiment provides a seat. The seat includes a seat body and a seat adjustment mechanism as in Embodiment 1. The seat adjustment mechanism is installed at the bottom of the seat body. By installing a seat adjustment mechanism at the bottom of the seat body, it is not only convenient to adjust the height, tilt angle, and front and rear position of the seat, but also reduces the risk of abnormal noise when various adjustment functions are used, and also makes the seat more comfortable. It is lighter in weight to achieve the goal of lightweighting the car body, and also allows more space at the bottom of the seat body for the installation of heating devices, ventilation devices, massage devices and other equipment, thereby enriching the functions of the seat.

Embodiment 3

This embodiment provides a vehicle, which includes a vehicle body and a seat as in Embodiment 2, and the seat is installed inside the vehicle body. By installing this seat inside the vehicle body, it can improve the occupant's experience and meet the occupant's high demand for car seats.

The seat adjustment mechanism, the seat and the vehicle provided by the present invention have been introduced in detail above. The description of specific embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of the claims of the present invention.

It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiments," "some embodiments," etc. mean that the described embodiments may include specific features, structures or characteristics, but not necessarily Each embodiment includes this particular feature, structure, or characteristic. Furthermore, such phrases are not necessarily referring to the same embodiment. Furthermore, where a particular feature, structure or characteristic is described in connection with an embodiment, it is within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments, explicitly or not explicitly described.

It should be readily understood that "on," "over," and "over" in this disclosure should be interpreted in the broadest manner, so that "on" does not only mean " "directly on something" also includes the meaning of "on something" with intermediate features or layers in between, and "on..." or "on..." not only includes "on something" or "on something" The meaning of "on" may also include the meaning of "over" or "over" something without intervening features or layers (i.e., directly on something).

In addition, spatially relative terms may be used herein for ease of explanation, such as "below," "below," "below," "above," "above," etc., to describe the relative position of one element or feature to other elements or features. relationship shown. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation illustrated in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this article, relational terms such as “first” and “second” are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no such actual relationship or sequence between entities or operations. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

A seat adjustment mechanism includes:

base;

The seat frame (200) is provided on the upper side of the base and is used to install the seat;

A two-link structure (300) is installed between one end of the seat frame (200) and the base, and is used to adjust the inclination angle of the seat frame (200);

Angle adjustment drive assembly (400), used to drive the movement of the two-link structure (300);

A high-profile component (500) is installed between the end of the seat frame (200) away from the two-link structure (300) and the base, and is used to adjust the height of the seat frame (200); and

Height adjustment drive assembly (600), used to drive the structural movement of the high-adjustment connecting rod (530);

It is characterized in that: the structure of the high-profile assembly (500) includes a high-profile tooth plate (510). The high-profile tooth plate (510) includes an integrally formed tooth plate connecting rod (511) and a sector gear (512). The tooth plate One end of the connecting rod (511) is hingedly connected to the base, and the other end of the tooth plate connecting rod (511) is rotatably connected to the seat frame (200); the height adjustment drive assembly (600) includes a high-adjustment drive Motor (610) and high-profile drive gear (620). The high-profile drive motor (610) is installed on the seat frame (200). The high-profile drive gear (620) is fixed on the high-profile drive motor (610). on the output shaft and meshes with the sector gear (512).
The seat adjustment mechanism according to claim 1, characterized in that: the high-adjustable assembly (500) further includes a connecting crossbar (520) and a high-adjustable connecting rod (530), and both ends of the connecting crossbar (520) Hinged to both sides of the seat frame (200) respectively, and one end of the connecting crossbar (520) is fixed to the end of the high-profile tooth plate (510) away from the base, and the other end of the connecting crossbar (520) One end is fixed to one end of the high-profile connecting rod (530), and one end of the high-profile connecting rod (530) away from the connecting crossbar (520) is hingedly connected to the base.
The seat adjustment mechanism according to claim 1, characterized in that: the height adjustment drive assembly (600) further includes a high-profile motor mounting bracket (630), and the high-profile drive motor (610) passes through the high-profile motor mounting bracket. (630) is fixed on the seat frame (200).
The seat adjustment mechanism according to claim 3, characterized in that: the sector gear (512) is provided with an arc-shaped limiting hole (513), and the center of the arc-shaped trajectory of the limiting hole (513) is Coincident with the center of the circle of the sector gear (512); the height adjustment drive assembly (600) also includes a limiter (640), the limiter (640) is installed on the high-profile motor mounting bracket (630) and Between the high-profile driving motor (610), the limiting member (640) passes through the limiting hole (513) and can move along the arcuate trajectory of the limiting hole (513).
The seat adjustment mechanism according to claim 1, characterized in that: the number of the two-link structures (300) is two, and the two two-link structures (300) are arranged facing each other on the base. and the seat frame (200).
The seat adjustment mechanism according to claim 5, characterized in that: the two-link structure (300) includes a first link (310) and a second link (320), and the first link (310) ) is hinged to the base, the other end of the first connecting rod (310) is hinged to one end of the second connecting rod (320), and the second connecting rod (320) is away from the first connecting rod (320). One end of the rod (310) is hingedly connected to the seat frame (200), and the height adjustment driving assembly (600) is used to drive the first connecting rod (310) or the second connecting rod (320) to rotate. Increase or reduce the angle between the first connecting rod (310) and the second connecting rod (320).
The seat adjustment mechanism according to claim 6, characterized in that: the two-link structure (300) further includes an angle adjuster (330), and an end of the first link (310) away from the base and One end of the second link (320) away from the seat frame (200) is hinged through the angle adjuster (330).
The seat adjustment mechanism according to claim 7, wherein the adjuster includes a fixed part (331) and a rotating part (332), and the rotating part (332) is installed on the fixed part (331). And can rotate relative to the fixed part (331), the fixed part (331) is fixed on an end of the first connecting rod (310) away from the base, and the rotating part (332) is fixed on the first connecting rod (310). The two connecting rods (320) are on one end away from the seat frame (200).
The seat adjustment mechanism according to claim 8, characterized in that: the fixed part (331) is provided with a plurality of bite points (333), and the first connecting rod (310) is provided with a plurality of bite points (333). The bite point (333) fits into the bite groove (311), and the bite point (333) snaps into the bite groove (311) to achieve the connection between the fixing part (331) and the first connecting rod (310). fixed.
The seat adjustment mechanism according to claim 8, characterized in that: the angle adjustment drive assembly (400) includes a synchronization link (410) and an angle adjustment drive motor (420), and the synchronization link (410) Both ends are respectively fixed to the rotating parts (332) of the angle adjusters (330) of the two two-link structures (300), and the angle adjustment drive motor (420) is installed in one of the two-link structures (300). 300) on the first connecting rod (310) and used to drive the synchronized connecting rod (410) to rotate.
The seat adjustment mechanism according to claim 1, characterized in that: the seat adjustment mechanism further includes a slide rail assembly (700), and the slide rail assembly (700) includes a slide rail (710) and a sliding portion (720). ), the slide rail (710) is installed on the floor inside the vehicle, the sliding part (720) is slidably installed on the slide rail (710), and the base is installed on the slide rail (710).
A seat, characterized in that the seat includes a seat body and a seat adjustment mechanism according to any one of claims 1 to 11, and the seat adjustment mechanism is installed at the bottom of the seat body. .
A vehicle, characterized in that the vehicle includes a vehicle body and a seat as claimed in claim 12, and the seat is installed inside the vehicle body.