CN115009127A - Zero-gravity seat front collision restraint system and vehicle - Google Patents
Zero-gravity seat front collision restraint system and vehicle Download PDFInfo
- Publication number
- CN115009127A CN115009127A CN202210466345.0A CN202210466345A CN115009127A CN 115009127 A CN115009127 A CN 115009127A CN 202210466345 A CN202210466345 A CN 202210466345A CN 115009127 A CN115009127 A CN 115009127A
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- seat
- connecting rod
- sliding seat
- sliding
- passenger
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- 238000013016 damping Methods 0.000 claims abstract description 28
- 230000006378 damage Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/62—Thigh-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a frontal collision restraint system of a zero-gravity seat and a vehicle, which comprise a backrest framework and a cushion framework, wherein a stop piece for limiting the trunk of a passenger is arranged on the backrest framework, a sliding seat is arranged below the cushion framework, the sliding seat is connected to a sliding rail on the floor of a vehicle body in a front-and-back sliding manner, the rear part of the bottom surface of the cushion framework is hinged with the rear part of the sliding seat through a first connecting rod, the front part of the bottom surface of the cushion framework is connected with the front part of the sliding seat through an inclination angle adjusting assembly, a first damping assembly is arranged between the inclination angle adjusting assembly and the sliding seat, a second damping assembly is arranged on the sliding rail, and the second damping assembly is positioned in front of the sliding seat. The seat back can prevent the sliding trend of the trunk of the passenger along the seat back after the vehicle is in frontal collision, and avoid compression damage to the spine of the passenger; the seat returns to the normal sitting position under the inertia effect, so that the original restraint system can exert the optimal protection effect; during the process of resetting the seat, the energy transferred to the passenger is dissipated through the damping buffer device, and the damage to the passenger is further reduced.
Description
Technical Field
The invention relates to the field of automobile safety, in particular to a frontal collision restraint system of a zero-gravity seat and a vehicle.
Background
With the increasing demand of users for vehicle use scenes, an automobile zero-gravity seat is provided, which is characterized in that the inclination angles of a seat backrest and a seat cushion can be greatly adjusted, so that passengers are in a posture close to lying down, and the riding comfort of the passengers is improved.
Currently, there are two occupant protection schemes in this sitting position: the first is the non-return type, i.e., no additional restraint system devices are added, and the seat does not return to the normal seating position prior to or during a collision. The problems with this solution are: 1. the posture of the passenger is close to the horizontal direction, the included angle between the axis direction of the spine of the passenger and the inertia force of the trunk of the passenger, namely the horizontal direction, is reduced, and the spine of the passenger is easy to be damaged by the axial compression of the inertia force of the trunk of the passenger during frontal collision; 2. the head and chest of the passenger are far away from the front airbag, and the airbag can not provide protection for the head and chest of the passenger after collision.
The second type is an active reset type, and the principle is that firstly, the driving state of the self-vehicle and the surrounding vehicles is obtained through a vehicle sensing system, secondly, a decision-making system judges the probability of collision between the self-vehicle and the surrounding vehicles, and after the collision is calculated out and cannot be avoided, the seat is reset through an execution system in a pre-collision stage before the vehicle has no collision accident, so that the original restraint system, namely a safety belt and a safety airbag, can protect passengers in the collision process. This solution is also in the concept phase, which has the following drawbacks: 1. the precision requirements on a vehicle sensing system and a decision system are particularly high, and the execution system is easy to trigger by mistake; 2. the time of the pre-collision stage is extremely short, the existing actuating system has insufficient capacity to reset the restraint system, and even if the actuating system has corresponding capacity in the future, the large-amplitude resetting action in a short time can cause overload and damage to certain body parts of passengers.
Disclosure of Invention
The invention aims to provide a frontal collision restraint system of a zero-gravity seat and a vehicle, which can prevent the sliding tendency of the trunk of a passenger along the backrest of the seat after the vehicle has frontal collision, and avoid the compression damage to the spine of the passenger caused by the trunk of the passenger under the action of inertia force; under the inertia effect, the seat returns to the normal sitting position, and the original restraint system can exert the optimal protection effect; and in the process of the seat resetting, the energy transferred to the passenger is dissipated through the damping buffer device, so that the passenger injury is further reduced.
The frontal collision restraint system of the zero-gravity seat comprises a backrest framework and a cushion framework, wherein a retainer for limiting the trunk of a passenger is arranged on the backrest framework, a sliding seat is arranged below the cushion framework, the sliding seat is connected to a sliding rail on the floor of a vehicle body in a front-and-back sliding manner, the rear part of the bottom surface of the cushion framework is hinged to the rear part of the sliding seat through a first connecting rod, the front part of the bottom surface of the cushion framework is connected with the front part of the sliding seat through an inclination angle adjusting assembly, a first damping assembly is arranged between the inclination angle adjusting assembly and the sliding seat, a second damping assembly is arranged on the sliding rail, and the second damping assembly is positioned in front of the sliding seat.
Furthermore, the stop piece comprises a sleeve body matched with the arm of the passenger, and the sleeve body is fixedly connected with the backrest framework through an installation part.
Further, the inclination angle adjusting component comprises a driving piece, a second connecting rod and a third connecting rod, the upper end of the second connecting rod is hinged to the front portion of the bottom surface of the cushion framework, the lower end of the second connecting rod is hinged to the upper end of the third connecting rod, the lower end of the third connecting rod is hinged to the front portion of the sliding seat, the middle portion of the third connecting rod is fixedly connected with the driving piece, and the third connecting rod is driven by the driving piece to rotate around the sliding seat, the upper end of the first damping component is fixedly connected with the third connecting rod, and the lower end of the first damping component is fixedly connected with the sliding seat.
A vehicle comprising a seat assembly including the zero-gravity seat frontal impact restraint system described above.
Compared with the prior art, the invention has the following beneficial effects.
1. The backrest framework is provided with the stop piece for limiting the trunk of the passenger, and after the vehicle is in frontal collision, the arrangement of the stop piece effectively prevents the trunk of the passenger from sliding along the backrest, so that the compression damage to the trunk of the passenger caused by the inertia force of the trunk of the passenger is avoided. The collision signal triggers and the seat assembly performs reset action under the inertia effect, so that the seat returns to the normal sitting position, and the original restraint system can exert the optimal protection effect. And in the process of resetting the seat, a damping buffer device is arranged, namely a first damping assembly is arranged between the inclination angle adjusting assembly and the sliding seat, a second damping assembly is arranged on the sliding rail and is positioned in front of the sliding seat, so that energy transmitted to a passenger is dissipated, and the damage of the passenger is further reduced.
2. The invention has simple structure, convenient and quick arrangement, good working stability and difficult false triggering.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the operation of the stop of the present invention;
FIG. 3 is a view showing a connecting structure of the stopper and the seat back according to the present invention;
FIG. 4 is a second schematic view of the connecting structure of the stopper and the seat back according to the present invention;
FIG. 5 is a third schematic view of the connecting structure of the seat back and the stop of the present invention;
FIG. 6 is a schematic layout of a first damper assembly according to the present invention;
fig. 7 is a schematic layout of a second damping assembly according to the present invention.
In the figure, 1-backrest frame, 2-cushion frame, 3-stopper, 31-sleeve, 32-mounting portion, 4-sliding seat, 5-slide rail, 6-first link, 7-tilt angle adjusting component, 71-driving member, 72-second link, 73-third link, 8-first damping component, 9-second damping component, 10-passenger, 101-passenger arm, 102-passenger trunk, 103-passenger lower limb, 11-existing restraint system, 12-stroke adjusting motor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, 2, 6 and 7, the illustrated frontal collision restraint system of the zero-gravity seat includes a backrest frame 1 and a seat cushion frame 2, a stopper 3 for limiting the trunk 102 of a passenger is arranged on the backrest frame 1, a sliding seat 4 is arranged below the seat cushion frame 2, the sliding seat 4 is connected to a slide rail 5 on the floor of a vehicle body in a front-back sliding manner, the rear part of the bottom surface of the seat cushion frame 2 is hinged to the rear part of the sliding seat 4 through a first connecting rod 6, the front part of the bottom surface of the seat cushion frame 2 is connected with the front part of the sliding seat 4 through an inclination angle adjusting component 7, a first damping component 8 is arranged between the inclination angle adjusting component 7 and the sliding seat 4, and a second damping component 9 is arranged on the slide rail 5 and the second damping component 9 is positioned in front of the sliding seat.
The inclination angle adjusting assembly 7 comprises a driving piece 71, a second connecting rod 72 and a third connecting rod 73, the upper end of the second connecting rod 72 is hinged with the front portion of the bottom surface of the seat cushion framework 2, the lower end of the second connecting rod 72 is hinged with the upper end of the third connecting rod 73, the lower end of the third connecting rod 73 is hinged with the front portion of the sliding seat 4, the middle portion of the third connecting rod 73 is fixedly connected with the driving piece 71, and the driving piece 71 drives the third connecting rod 73 to rotate around the sliding seat 4, the upper end of the first damping assembly 8 is fixedly connected with the third connecting rod 73, and the lower end of the first damping assembly 8 is fixedly connected with the sliding seat 4.
Referring to fig. 3 to 5, the stopper 3 includes a sleeve 31 adapted to fit an arm 101 of an occupant, and the sleeve 31 is fixedly connected to the backrest frame 1 through a mounting portion 32. The stopper 3 is not limited to be worn on the arm 101 of the occupant, and may be designed to be at different positions of the back frame 1 and to act on different portions of the torso 102 of the occupant as needed.
The sleeve body 31 of the stop piece 3 is in a fixed type, a repeatable separation and combination type or a friction type with the backrest framework 1.
Referring to fig. 3, the sleeve 31 of the fixed stop 3 is fixedly connected to the backrest frame 1 through the mounting portion 32, and the adhesive force between the mounting portion 32 and the backrest frame 1 can be designed as required;
referring to fig. 4, the sleeve body 31 of the repeatable opening and closing type stopper 3 is of a closed structure, the installation part 32 is located between the sleeve body 31 and the backrest frame 1, and the installation part 32 is of an adhesive structure, so that the installation or disassembly is convenient and rapid, and the stopper 3 can be quickly separated from or connected with the backrest frame 1.
Referring to fig. 5, the cover of the friction type stopper 3 is fitted with the friction material on the surface of the backrest frame 1, and the friction material on the surface of the backrest frame 1 is used as the mounting portion 32.
The invention relates to a front collision restraint system of a zero gravity seat, which comprises the following steps:
firstly, after a collision occurs, the sleeve body 31 of the stopper 3 acts on the armpit of the passenger 10 to prevent the downward movement trend of the trunk 102 of the passenger along the backrest framework 1 under the action of inertia, and the compression injury of the spine is effectively avoided.
Secondly, the driving piece 71 of the inclination angle adjusting component 7 is released under the triggering of the collision signal.
Thirdly, the passenger 1 pulls the backrest framework 1 to move forwards through the stop piece 3, and the lower limbs 103 of the passenger press the cushion on the cushion framework 2, so that the seat assembly rotates anticlockwise, namely, the seat assembly moves to the normal sitting position for resetting.
Synchronously, the seat cushion rotates anticlockwise and presses downwards, the second connecting rod 72 of the tilt angle adjusting assembly 7 rotates clockwise relative to the seat cushion framework 2, and the third connecting rod 72 of the tilt angle adjusting assembly 7 rotates anticlockwise relative to the sliding seat 4.
Synchronously, the driving member 71 of the tilt angle adjusting assembly 7 is driven by the third connecting rod 73 to rotate reversely, and drives the energy consumption load, so that the conversion and dissipation of collision energy to heat are realized.
In synchronism, the third link 73 compresses the first damping member 8 during counterclockwise rotation.
Fourthly, after the inclination angle of the seat cushion framework 2 returns to the normal position, the driving piece 71 of the inclination angle adjusting component 7 is braked, and the inclination angle is prevented from further changing.
And fifthly, in the counterclockwise rotation process of the seat assembly, the passenger 10 and the seat assembly synchronously move forwards under the action of inertia in the frontal collision process, the sliding seat 4 is driven to move forwards along the sliding rail 5, and the front end of the sliding seat 4 compresses the second damping adjusting component 9. After the stroke of the sliding seat 4 returns to the normal position, the stroke adjusting motor 12 for adjusting the movement of the sliding seat 4 is braked to prevent the stroke of the sliding seat 4 from further changing.
And sixthly, after the whole seat and the posture of the passenger return to the normal position, the existing restraint system 11 is started, so that the passenger 10 is effectively protected.
A vehicle comprising a seat assembly including the zero-gravity seat front impact restraint system described above.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A frontal collision restraint system of a zero-gravity seat comprises a backrest framework (1) and a cushion framework (2), characterized in that the backrest frame (1) is provided with a stopper (3) for limiting the trunk (102) of the passenger, a sliding seat (4) is arranged below the cushion framework (2), the sliding seat (4) is connected with a sliding rail (5) on the floor of the vehicle body in a front-back sliding manner, the rear part of the bottom surface of the seat cushion framework (2) is hinged with the rear part of the sliding seat (4) through a first connecting rod (6), the front part of the bottom surface of the cushion framework (2) is connected with the front part of the sliding seat (4) through an inclination angle adjusting component (7), a first damping component (8) is arranged between the inclination angle adjusting component (7) and the sliding seat (4), and a second damping component (9) is arranged on the sliding rail (5), and the second damping component (9) is positioned in front of the sliding seat (4).
2. The zero-gravity seat frontal collision restraint system of claim 1, characterized in that: the stop piece (3) comprises a sleeve body (31) matched with the arm (101) of the passenger, and the sleeve body (31) is fixedly connected with the backrest framework (1) through a mounting part (32).
3. The front impact restraint system for zero-gravity seats of claim 1 or 2, characterized in that: inclination adjustment subassembly (7) are including driving piece (71), second connecting rod (72) and third connecting rod (73), second connecting rod (72) upper end is anterior articulated with cushion skeleton (2) bottom surface, and second connecting rod (72) lower extreme is articulated with third connecting rod (73) upper end, and third connecting rod (73) lower extreme is anterior articulated with sliding seat (4), and third connecting rod (73) middle part and driving piece (71) fixed connection just drive third connecting rod (73) by driving piece (71) and rotate around sliding seat (4), first damping subassembly (8) upper end and third connecting rod (73) fixed connection, first damping subassembly (8) lower extreme and sliding seat (4) fixed connection.
4. A vehicle comprising a seat assembly, characterized in that: the seat assembly comprising the zero-gravity seat frontal impact restraint system of any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210466345.0A CN115009127B (en) | 2022-04-29 | 2022-04-29 | Front collision restraint system of zero gravity seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210466345.0A CN115009127B (en) | 2022-04-29 | 2022-04-29 | Front collision restraint system of zero gravity seat and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115009127A true CN115009127A (en) | 2022-09-06 |
| CN115009127B CN115009127B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210466345.0A Active CN115009127B (en) | 2022-04-29 | 2022-04-29 | Front collision restraint system of zero gravity seat and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115009127B (en) |
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| CN214355644U (en) * | 2021-02-09 | 2021-10-08 | 重庆延锋安道拓汽车部件系统有限公司 | Zero-gravity seat frame multi-posture adjusting structure |
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| CN113715699A (en) * | 2021-10-13 | 2021-11-30 | 延锋国际座椅系统有限公司 | Zero-gravity seat adjusting mechanism for automobile |
| WO2021248847A1 (en) * | 2020-06-10 | 2021-12-16 | 麦格纳座椅（台州）有限公司 | Adjusting device for achieving reclining posture of vehicle seat |
| CN113844342A (en) * | 2021-11-09 | 2021-12-28 | 麦格纳座椅研发(重庆)有限公司 | Car seat based on inclination adjustment mechanism |
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| FR2571974A1 (en) * | 1984-10-23 | 1986-04-25 | Bazin Jean Claude | Set of adjustable articulated curved stabilising parts for stabilising the human body in an armchair or on a table |
| JP2003104150A (en) * | 2001-10-01 | 2003-04-09 | Takahiro Shukushiro | Device for damping seat impact by machine mechanism when colliding |
| US20070069563A1 (en) * | 2003-06-06 | 2007-03-29 | Mario Herzog | Apparatus for supporting the body of a person |
| KR20050069400A (en) * | 2003-12-31 | 2005-07-05 | 현대자동차주식회사 | Passenger-binding device for preventing submarine for automobile |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115009127B (en) | 2024-05-07 |
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