CN218536437U

CN218536437U - Lying seat with front space capable of being increased

Info

Publication number: CN218536437U
Application number: CN202223114079.XU
Authority: CN
Inventors: 唐江; 李龙; 赵玮; 薛磊; 刘世明; 左家乐; 陈国刚
Original assignee: Magna Seating Research and Development Chongqing Co Ltd
Current assignee: Magna Seating Research and Development Chongqing Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-02-28
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a chair of lying that anterior space can increase, including the back assembly, cushion assembly and angle modulation ware, the back assembly can be overturned backward and set level, connecting rod before being provided with in the below of cushion assembly, the back connecting rod, base and four-bar linkage actuating mechanism, base support and back base support before base top fixed mounting, preceding connecting rod, the upper end of back connecting rod articulates respectively on the cushion assembly, the lower extreme of preceding connecting rod articulates on preceding base support, the lower extreme of back connecting rod articulates on back base support, thereby form four-bar linkage in the below of seat assembly, four-bar linkage actuating mechanism is used for driving the back connecting rod around pin joint clockwise or anticlockwise rotation down, thereby drive whole seat assembly rearward movement or forward return. After the backrest is overturned and laid flat, the front space can be increased through the four-bar mechanism, and more comfortable experience is provided for the passengers to lie.

Description

Lying seat with front space capable of being increased

Technical Field

The utility model relates to a car seat technical field, concretely relates to can increase seat of lying in anterior space, when the seat passenger tired or have a rest temporarily taking a bus for a long time, can not only carry out the upset of back and set level, can also increase the travelling comfort of anterior space in order to improve lying through four-bar linkage.

Background

The main function of the automobile seat is to provide support so that passengers can sit safely and comfortably; next, when a safety accident such as a collision or a rollover occurs, the occupant is restrained within a predetermined position range to ensure the safety of the occupant.

With the increase of vehicle use scenes in modern society, consumers have higher and higher requirements on the comfort of the interior space of the automobile and more diversified functional requirements on the interior. Not only is more function adjustment required for the front row, but also higher comfort requirements are provided for the rear row. Although the existing automobile seat, particularly the rear seat, can realize the turnover and flat lying of the backrest for lying, the front space is not enough, and the comfortable sleeping or resting experience of passengers cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car seat, except that can carry out the upset of back and put down, can also be on this basis through four-bar linkage increase anterior space, provide more comfortable experience for the passenger lies and lies.

Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a front portion space can increase seat of lying, includes the seat assembly of compriseing back assembly, cushion assembly and angle modulation ware, the angle modulation ware is installed between back assembly and cushion assembly, can carry out the back assembly and overturn backward and set level, is provided with preceding connecting rod, back connecting rod, base and four-bar linkage actuating mechanism in the below of cushion assembly, base top fixed mounting has preceding base support and back base support, and the upper end of preceding connecting rod, back connecting rod articulates respectively on the cushion assembly, and the lower extreme of preceding connecting rod articulates on preceding base support, and the lower extreme of back connecting rod articulates on back base support to form four-bar linkage in the below of seat assembly, four-bar linkage actuating mechanism is used for driving the back connecting rod around lower pin joint clockwise or anticlockwise rotation, thereby drive whole seat assembly rearward movement or forward return.

Preferably, the front connecting rod, the rear connecting rod, the base, the front base support and the rear base support are respectively two and are arranged below the cushion assembly in a bilateral symmetry manner.

Preferably, the four-bar linkage driving mechanism comprises a driving motor and two angle adjusters which are symmetrically arranged left and right, and the two angle adjusters are connected through a synchronizing rod, so that the synchronous driving of the same driving motor is realized; the angle adjuster is arranged between the rear connecting rod and the rear base support, one side of the angle adjuster is welded at the lower end of the rear connecting rod, the other side of the angle adjuster is welded on the rear base support, and the width of the rear connecting rod is gradually increased from top to bottom.

More preferably, the seat assembly is a rear quarter seat or a rear quarter seat, and the front end of the cushion assembly is provided with the leg rest assembly.

More preferably, the base is mounted on an electric slide rail.

The utility model has the advantages that: after the backrest is turned over and laid flat, the front space can be enlarged through the four-bar mechanism, and more comfortable experience is provided for the passengers to lie; furthermore, when the leg support assembly is arranged, the backrest is turned over and flatly placed, the leg support assembly is opened, then the front space is enlarged through the four-bar mechanism, and the comfortable feeling is stronger.

Drawings

FIG. 1 is a layout view of two rows of seats on a vehicle body.

FIG. 2 is an overall view of the installation of the rear quarter seats of the automobile on the automobile body.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a middle position diagram of the rear quarter seat of the automobile when lying.

Fig. 5 shows the final position of the rear quarter seat of the motor vehicle when lying.

FIG. 6 is a schematic view of a four bar linkage drive mechanism.

Fig. 7 is a fully exploded schematic view of the four bar linkage.

Fig. 8 is a partially exploded schematic view of the four bar linkage.

Fig. 9 is a schematic structural view of the present invention applied to a seat with two rows of double safety belts and six minutes.

Fig. 10 is an exploded view of fig. 9 (without the motorized slide).

Figure 11 is an exploded view of a six-part back frame assembly.

Figure 12 is an exploded view of a six-part seat cushion frame assembly.

FIG. 13 is a schematic view of a first anti-dive bracket mounting location.

Fig. 14 is a partial enlarged view of fig. 13.

FIG. 15 is a schematic view of a second anti-dive bracket installation position.

Detailed Description

The invention will be further described by way of examples with reference to the accompanying drawings:

as shown in FIG. 1, a reclining seat with an increased front space is mainly used for a rear quarter seat assembly or a rear quarter seat assembly, and can also be used for a front seat.

Figures 2-8 show a condition for use on a rear quarter seat assembly including a seat assembly consisting of a backrest assembly 1, a seat cushion assembly 2 and a recliner 3. The angle adjuster 3 is installed between the backrest assembly 1 and the cushion assembly 2, and can turn the backrest assembly 1 backwards and lay flat, which is an existing mechanism of the seat and is not described herein again.

A front connecting rod 5, a rear connecting rod 6, a base 7 and a four-bar driving mechanism 8 are arranged below the cushion assembly 2. Specifically, the front connecting rod 5, the rear connecting rod 6, the base 7, the front base support 9 and the rear base support 10 are respectively two and are arranged below the cushion assembly 2 in a bilateral symmetry manner.

A front base support 9 and a rear base support 10 are fixedly arranged above the base 7. The upper ends of the front connecting rod 5 and the rear connecting rod 6 are respectively hinged on the cushion assembly 2, the lower end of the front connecting rod 5 is hinged on the front base support 9, and the lower end of the rear connecting rod 6 is hinged on the rear base support 10, so that a four-bar mechanism is formed below the seat assembly. The base 7 supports the entire four-bar linkage. The four-bar linkage driving mechanism 8 is used for driving the rear connecting bar 6 to rotate clockwise or anticlockwise around the lower hinge point, so that the whole seat assembly is driven to move backwards or return forwards.

The four-bar linkage driving mechanism 8 preferably adopts a driving motor and two angle adjusters 3 symmetrically arranged left and right, and the two four-bar linkages share one set of four-bar linkage driving mechanism 8. The two angle adjusters 3 are connected through a synchronizing rod 12, so that the same driving motor synchronously drives the four-bar mechanisms on two sides to move. The angle adjuster 3 is installed between the rear connecting rod 6 and the rear base support 10, one side of the angle adjuster 3 is welded at the lower end of the rear connecting rod 6, the other side of the angle adjuster 3 is welded on the rear base support 10, and the width of the rear connecting rod 6 is gradually increased from top to bottom so as to facilitate the installation and the arrangement of the angle adjuster. The specific structure of the four-bar linkage drive mechanism 8 is not limited thereto. When the four-bar linkage mechanism is used for a rear six-part seat assembly, the number of the four-bar linkage mechanism can be correspondingly adjusted to be three, namely left, middle and right.

Preferably, a leg rest assembly 4 is mounted to the front end of the seat cushion assembly 2. Fig. 4 and 5 show the adjustment process from the intermediate state to the final state, in which the passenger needs to lie down when parking, in the process, the leg rest assembly 4 is lifted to the highest position first, and the backrest assembly 1 is adjusted backwards to the last position, as shown in fig. 4; fig. 5 shows that after the leg rest assembly 4 and the backrest assembly 1 are adjusted to the final positions, the four-bar linkage is actuated to move the seat assembly backwards by a certain distance to meet the requirement of the passenger for lying.

The base 7 is preferably attached to the motor slide rail 11 so as to be slidable back and forth.

Passengers sit on the second-row seats of the automobile, and require large-angle adjustment of the backrest, and meanwhile, the seats can also be adjusted at a large distance from the front to the back. However, since the rear seat belts in the current market are almost installed on the vehicle body, the passenger cannot meet the requirements of safety or comfort when the backrest is adjusted at a large angle or the front and rear of the seat are adjusted at a large distance; especially, two rows of six minutes seats, when two safety belts all installed on the upper surface, the skeleton intensity requirement to six minutes seats is higher, once seat intensity is not enough, then can't satisfy the collision safety test requirement. .

As shown in fig. 9, the application of the present solution to a two-row double-seat belt six-seater seat includes a six-seater back frame assembly a and a six-seater cushion frame assembly B. The sixth-minute backrest framework assembly A is rotationally connected with a connecting plate 31 at the rear end of the sixth-minute cushion framework assembly B through an angle adjuster 3. A first safety belt 26 is installed on the left side of the top of the six-part seat framework assembly, and a second safety belt 17 is installed in the middle of the top of the six-part seat framework assembly. Move two safety belts from the automobile body to the skeleton of two rows of six minutes seats on, through many initiatives and lifting, increase skeleton intensity, satisfy collision safety test requirement, reduce cost simultaneously lightens weight, improves travelling comfort and security to possess the effect of anticollision dive.

As shown in fig. 9 to 11, a first reinforced steel plate 25, a second reinforced steel plate 28 and a third reinforced steel plate 29 are fixedly mounted on the left side surface of the sixth-part backrest frame assembly a for structural reinforcement of the upper mounting point of the first seat belt 26. The first reinforcing steel plate 25 is bent into an L shape by adopting a high-strength steel plate, is matched with the height of the six-part backrest frame assembly A in height, comprises a back plate 25a and a side plate 25b, and the upper part and the lower part of the side plate 25b are deviated outwards to form a step surface 25c. The second reinforcing steel plate 28 is welded to the lower outer side of the side plate 25b and just fills the step surface 25c. A third reinforcing steel plate 29 is welded to a lower portion of the front side of the back plate 25 a. The first reinforced steel plate 25, the second reinforced steel plate 28 and the third reinforced steel plate 29 are welded into a whole and then are welded to the left side surface of the six-part backrest frame assembly A in an attaching mode. First reinforced steel plate adopts special L shape structure and step face structure, has bent in two directions in other words to fill up the step face through the second reinforced steel plate, make the overall structure intensity of first reinforced steel plate better.

A fourth reinforcing steel plate 30 is welded to the lower portion of the right side face of the sixth-generation backrest frame assembly a in a fitting manner and used for performing structural reinforcement on a lower mounting point of the second safety belt 17. The roots of the left and right outer sides of the sixth-minute backrest frame assembly A are specially reinforced so as to meet the higher requirement of the bending resistance torque of the roots.

A tenth reinforcing steel plate 27 is welded to the front lower portion of the middle position of the sixth backrest frame assembly a in an attached manner and is used for structurally reinforcing a lower mounting point of the first seat belt 26. Preferably, the eleventh reinforcing plate 18 having a "T" shape is welded to the front wall of the tenth reinforcing steel plate 27.

The connecting plate 31 is formed by two high-strength steel buckles welded together to bear the force applied to the backrest assembly by the double safety belts.

As shown in fig. 10 and 12, the main body of the six-part seat cushion frame assembly B is a high-strength aluminum alloy seat bowl B1, a fifth reinforcing steel plate 32 is attached to the upper side of the high-strength aluminum alloy seat bowl B1, a sixth reinforcing steel plate 13 with upper and lower flanges is attached to the left side of the seat cushion frame assembly B, a seventh reinforcing steel plate 14 with upper and lower flanges is attached to the right side of the seat cushion frame assembly B, and the fifth reinforcing steel plate, the sixth reinforcing steel plate and the seventh reinforcing steel plate are respectively fixedly mounted on the high-strength aluminum alloy seat bowl B1 through bolts. Adopt high strength aluminum alloy to sit the basin, can lighten weight, add fifth, six, seven reinforcing steel plate simultaneously to improve overall strength, especially sixth, seven reinforcing steel plate have turn-ups from top to bottom, can follow the high strength aluminum alloy and sit the basin and carry out parcel formula structure from the left and right sides and strengthen.

Preferably, the fifth reinforced steel plate 32 has an avoiding notch 32a at the middle of the rear side thereof for avoiding the process requirements of the structural members or the connecting members, and the eighth reinforced steel plate 15 and the ninth reinforced steel plate 16 are installed at the avoiding notch 32 a. And the eighth reinforcing steel plate and the ninth reinforcing steel plate are fixedly arranged on the high-strength aluminum alloy sitting basin B1 through bolts respectively.

Referring to fig. 9 to 15, the electric slide rail 11 is provided with a base 7, the front end of the high-strength aluminum alloy seat basin B1 is integrally provided with a left leg B2, a middle leg B2 and a right leg B2, and the base 7 is provided with a first anti-dive bracket 23 at a position corresponding to each leg B2 with a space. When the vehicle crashes, the seat assembly dives, and when the structure warp to a certain distance, landing leg B2 supported with the contact of first anti-dive support 23 to reduce the injury of seat assembly dive to the passenger.

Fig. 4 and 5 show the adjustment process from the intermediate state to the final state, in which the passenger needs to lie down when parking, in the process, the leg rest assembly 4 is lifted to the highest position first, and the sixth-minute backrest frame assembly is adjusted backwards to the last position, as shown in fig. 4; fig. 5 shows that after the leg rest assembly 4 and the six-part backrest assembly are adjusted to the final positions, the four-bar linkage is started to move the six-part seat frame assembly backwards by a certain distance to meet the requirement of the passengers for lying.

As shown in fig. 12 to 15, a second submergence preventing bracket 24 is further provided on the base 7 corresponding to each front link 5, and when the four-link mechanism is in the front end position, which is a normal seating position of the seat, the second submergence preventing bracket 24 is located immediately below the front link 5 with a space left. Preferably, the second anti-dive bracket 24 is formed by welding a gate frame 24a and a front closure plate 24b, and the top of the gate frame 24a is gradually raised from the rear to the front and forms a box-like structure with the front closure plate 24 b. When the passenger normally takes the vehicle and collides, the front connecting rod 5 is deformed to a certain distance and contacts with the second anti-submergence support 24, and the second anti-submergence support 24 supports the front connecting rod 5 to prevent the front connecting rod 5 from being deformed or pressure feed from damaging the passenger.

The electric slide rail 11 is divided into a left part, a middle part and a right part, the front connecting rod 5, the rear connecting rod 6, the front base support 9 and the rear base support 10 are respectively three and are respectively arranged at the left position, the middle position and the right position below the six-part cushion framework assembly B. The three four-bar linkage mechanisms share one set of four-bar linkage driving mechanism. The three angle adjusters 3 are connected by a synchronizing rod 12, so that the same driving motor can be synchronously driven.

Claims

1. The utility model provides a front portion space can increase the seat of lying, includes the seat assembly of constituteing by back assembly (1), cushion assembly (2) and angle modulation ware (3), install between back assembly (1) and cushion assembly (2) angle modulation ware (3), can carry out back assembly (1) and overturn backward and set level its characterized in that: be provided with preceding connecting rod (5), back connecting rod (6), base (7) and four-bar linkage actuating mechanism (8) in the below of cushion assembly (2), base (7) top fixed mounting has preceding base support (9) and back base support (10), and the upper end of preceding connecting rod (5), back connecting rod (6) articulates respectively on cushion assembly (2), and the lower extreme of preceding connecting rod (5) articulates on preceding base support (9), and the lower extreme of back connecting rod (6) articulates on back base support (10) to form four-bar linkage under the seat assembly, four-bar linkage actuating mechanism (8) are used for driving back connecting rod (6) around lower pin joint clockwise or anticlockwise rotation, thereby drive whole seat assembly rearward movement or forward return.

2. A reclining seat having an increased front space as set forth in claim 1, wherein: the front connecting rod (5), the rear connecting rod (6), the base (7), the front base support (9) and the rear base support (10) are respectively arranged in a bilateral symmetry mode below the cushion assembly (2).

3. A reclining seat having an increased front space as set forth in claim 2, wherein: the four-connecting-rod driving mechanism (8) comprises a driving motor and two angle adjusters (3) which are symmetrically arranged left and right, and the two angle adjusters (3) are connected through a synchronizing rod (12), so that the synchronous driving of the same driving motor is realized; the angle adjuster (3) is arranged between the rear connecting rod (6) and the rear base support (10), one side of the angle adjuster is welded at the lower end of the rear connecting rod (6), the other side of the angle adjuster is welded on the rear base support (10), and the width of the rear connecting rod (6) is gradually increased from top to bottom.

4. A reclining seat having an increased front space as set forth in claim 1, wherein: the seat assembly is a rear quarter seat or a rear sextant seat, and the front end of the cushion assembly (2) is provided with a leg support assembly (4).

5. A reclining seat having an increased front space as set forth in claim 2, wherein: the base (7) is installed on the electric sliding rail (11).

6. A lying seat with an increasable front space according to claim 1, wherein: the seat is applied to a seat with two rows of double safety belts and six minutes, and comprises a backrest skeleton assembly (A) and a cushion skeleton assembly (B), wherein the backrest skeleton assembly (A) is rotationally connected with a connecting plate (31) at the rear end of the cushion skeleton assembly (B) through an angle adjuster (3), a first safety belt (26) is installed on the left side of the top of the seat skeleton assembly, and a second safety belt (17) is installed in the middle position of the top;

a first reinforced steel plate (25), a second reinforced steel plate (28) and a third reinforced steel plate (29) are fixedly arranged on the left side surface of the sixth-part backrest frame assembly (A); the first reinforcing steel plate (25) is bent into an L shape by adopting a high-strength steel plate, is matched with the height of the six-part backrest framework assembly (A), and comprises a back plate (25 a) and a side plate (25 b), and the upper part of the side plate (25 b) is outwards deviated relative to the lower part to form a step surface (25 c); the second reinforcing steel plate (28) is welded on the outer side of the lower part of the side plate (25 b) and just fills the step surface (25 c); a third reinforced steel plate (29) is welded at the lower part of the front side of the back plate (25 a); the first reinforced steel plate (25), the second reinforced steel plate (28) and the third reinforced steel plate (29) are welded into a whole and then are welded to the left side surface of the six-part backrest frame assembly (A) in an attaching mode; a fourth reinforced steel plate (30) is welded at the lower part of the right side surface of the sixth-minute backrest framework assembly (A) in a fitting manner; a tenth reinforced steel plate (27) is welded at the front lower part of the middle position of the sixth-minute backrest framework assembly (A) in an attaching manner; the connecting plate (31) is formed by buckling and welding two pieces of high-strength steel; the main body of the six-part cushion skeleton assembly (B) is a high-strength aluminum alloy sitting basin (B1), a fifth reinforced steel plate (32) is attached to the upper side of the high-strength aluminum alloy sitting basin (B1), a sixth reinforced steel plate (13) with flanges at the upper and lower sides is attached to the left side of the high-strength aluminum alloy sitting basin, a seventh reinforced steel plate (14) with flanges at the upper and lower sides is attached to the right side of the high-strength aluminum alloy sitting basin, and the fifth, sixth and seventh reinforced steel plates are fixedly mounted on the high-strength aluminum alloy sitting basin (B1) through bolts respectively;

the front end of the high-strength aluminum alloy sitting basin (B1) is integrally provided with a left supporting leg (B2), a middle supporting leg (B2) and a right supporting leg (B2), and a first anti-dive bracket (23) is arranged on the base (7) at a position corresponding to each supporting leg (B2) and is provided with a gap; and a second submergence preventing support (24) is also arranged on the base (7) corresponding to each front connecting rod (5), and when the four-connecting-rod mechanism is positioned at the front end position, the second submergence preventing support (24) is positioned under the front connecting rods (5) and is provided with an interval.

7. A lying seat with an increasable front space according to claim 6, wherein: the middle part of the rear side of the fifth reinforced steel plate (32) is provided with an avoidance gap (32 a), the eighth reinforced steel plate and the ninth reinforced steel plate (15 and 16) are installed at the avoidance gap (32 a), and the eighth reinforced steel plate and the ninth reinforced steel plate (15 and 16) are respectively and fixedly installed on the high-strength aluminum alloy sitting basin (B1) through bolts.

8. A lying seat with an increasable front space according to claim 6, wherein: the front wall of the tenth reinforced steel plate (27) is welded with a T-shaped eleventh reinforced plate (18).

9. A lying seat with an increasable front space according to claim 6, wherein: the second anti-submergence support (24) is formed by welding a door-shaped frame (24 a) and a front sealing plate (24 b), wherein the top of the door-shaped frame (24 a) is gradually raised from back to front and forms a box-shaped structure with the front sealing plate (24 b).