CN115009127B - Front collision restraint system of zero gravity seat and vehicle - Google Patents
Front collision restraint system of zero gravity seat and vehicle Download PDFInfo
- Publication number
- CN115009127B CN115009127B CN202210466345.0A CN202210466345A CN115009127B CN 115009127 B CN115009127 B CN 115009127B CN 202210466345 A CN202210466345 A CN 202210466345A CN 115009127 B CN115009127 B CN 115009127B
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- Prior art keywords
- seat
- sliding seat
- connecting rod
- framework
- sliding
- Prior art date
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- 230000005484 gravity Effects 0.000 title claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 28
- 239000002783 friction material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
Landscapes
- 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 an occupant is arranged on the backrest framework, a sliding seat is arranged below the cushion framework, the sliding seat is connected onto a sliding rail of a vehicle body floor in a front-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 component, a first damping component is arranged between the inclination angle adjusting component and the sliding seat, a second damping component is arranged on the sliding rail, and the second damping component is positioned in front of the sliding seat. After the vehicle collides with the front surface, the sliding trend of the trunk of the passenger along the backrest of the seat is prevented, and the compression damage to the spinal column of the passenger is avoided; returning the seat to a normal riding position under the action of inertia, so that the original restraint system plays an optimal protection effect; during the seat resetting process, energy transmitted to the passengers is dissipated through the damping device, so that the damage to the passengers 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 demands of users on the use scenes of vehicles, an automobile zero-gravity seat is provided, and is characterized in that the inclination angles of a seat back and a seat cushion can be greatly adjusted, so that passengers are in a posture close to lying, and the riding comfort of the passengers is improved.
Currently, there are two occupant protection schemes in this seated position: the first is that no return, i.e. no additional restraint system devices are added, and the seat does not return to the normal seating position before or during the crash. The problems with this solution are: 1. the posture of the passenger approaches to the horizontal, the included angle between the axis direction of the backbone of the passenger and the inertial force of the trunk of the passenger, namely the horizontal direction, is reduced, and the backbone of the passenger is easily damaged by the axial compression of the inertial force of the trunk of the passenger during the frontal collision; 2. the head and chest of the occupant are away from the frontal air bag and the air bag does not provide protection to the head and chest of the occupant after a collision.
The second is active reset type, which is based on the principle that firstly, the running state of the self-vehicle and the surrounding vehicles is obtained through a vehicle sensing system, secondly, the probability of collision between the self-vehicle and the surrounding vehicles is judged through a decision system, and after the collision is calculated, the pre-collision stage is carried out before the collision accident of the vehicles, and the seat is reset through an execution system, so that the original restraint system, namely the safety belt and the safety airbag, protects passengers in the collision process. This solution is also in the conceptual phase, which has the following drawbacks: 1. the accuracy requirements on the vehicle sensing system and the decision system are particularly high, and the execution system is easy to trigger by mistake; 2. the pre-crash stage time is extremely short, the existing execution system does not have enough capability to reset the restraint system, and even if the execution system has corresponding capability in the future, the large-scale reset action in a short time can cause overload and damage to certain body parts of the 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 trend of a trunk of an occupant along a backrest after the vehicle collides with the front, and avoid compression damage of the trunk of the occupant to the spine of the occupant under the action of inertial force; under the inertia effect, the seat is returned to the normal riding position, so that the original restraint system can play an optimal protection effect; and in the process of resetting the seat, the energy transmitted to the passengers is dissipated through the damping buffer device, so that the damage to the passengers is further reduced.
The front collision restraint system of the zero gravity seat comprises a backrest framework and a cushion framework, wherein a stop piece for limiting the trunk of an occupant is arranged on the backrest framework, a sliding seat is arranged below the cushion framework, the sliding seat is connected onto a sliding rail of a vehicle body floor in a front-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 component, a first damping component is arranged between the inclination angle adjusting component and the sliding seat, and a second damping component is arranged on the sliding rail and positioned in front of the sliding seat.
Further, the stop piece comprises a sleeve body matched with arms of the passengers, and the sleeve body is fixedly connected with the backrest framework through a mounting part.
Further, inclination angle adjusting part includes driving piece, second connecting rod and third connecting rod, second connecting rod upper end is articulated with cushion skeleton bottom surface front portion, and second connecting rod lower extreme is articulated with third connecting rod upper end, and third connecting rod lower extreme is articulated with the sliding seat front portion, and third connecting rod middle part and driving piece fixed connection just drive the third connecting rod by the driving piece and rotate around the sliding seat, first damping subassembly upper end and third connecting rod fixed connection, first damping subassembly lower extreme and sliding seat fixed connection.
A vehicle comprising a seat assembly comprising the front impact restraint system of the zero gravity seat 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 collides with the front surface, the stop piece effectively prevents the trunk of the passenger from sliding along the backrest, and avoids compression damage of the trunk of the passenger to the spinal column of the passenger under the action of inertia force. The seat assembly is triggered by collision signals and performs reset action under the action of inertia, so that the seat returns to the normal riding position, and the original restraint system plays an optimal protection effect. And in the process of seat resetting, through arranging damping buffer device, be equipped with first damping subassembly promptly between inclination adjusting subassembly and the sliding seat, be equipped with second damping subassembly and second damping subassembly on the slide rail and be located the sliding seat the place ahead, the energy of dissipation transfer to on the passenger has further reduced passenger's damage.
2. The invention has simple structure, convenient and quick arrangement, good working stability and difficult false triggering.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the operation of the stop member of the present invention;
FIG. 3 is a schematic illustration of the attachment of the stop member to the seat back in accordance with the present invention;
FIG. 4 is a second schematic view of the attachment of the stop member to the seat back according to the present invention;
FIG. 5 is a third schematic view of the attachment of the stop member to the seat back in accordance with the present invention;
FIG. 6 is a schematic view of an arrangement of a first damping assembly according to the present invention;
FIG. 7 is a schematic illustration of the arrangement of a second damping assembly according to the present invention.
In the figure, the backrest frame 1, the cushion frame 2, the stop member 3, the sleeve 31, the mounting part 32, the sliding seat 4, the sliding rail 5, the first connecting rod 6, the inclination angle adjusting component 7, the driving member 71, the second connecting rod 72, the third connecting rod 73, the first damping component 8, the second damping component 9, the first damping component 10, the passenger 101, the passenger arm 102, the passenger trunk 103, the passenger lower limb 11, the existing restraint system 12 and the travel adjusting motor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 6 and fig. 7, the front collision restraint system of the zero gravity seat comprises a backrest framework 1 and a cushion framework 2, wherein a stop piece 3 for limiting a trunk 102 of an occupant is arranged on the backrest framework 1, a sliding seat 4 is arranged below the cushion framework 2, the sliding seat 4 is connected on a sliding rail 5 of a vehicle body floor in a front-back sliding manner, the rear part of the bottom surface of the 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 assembly 7, a first damping assembly 8 is arranged between the inclination angle adjusting assembly 7 and the sliding seat 4, and a second damping assembly 9 is arranged on the sliding rail 5 and 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 to the front portion of the bottom surface of the seat cushion framework 2, the lower end of the second connecting rod 72 is hinged to the upper end of the third connecting rod 73, the lower end of the third connecting rod 73 is hinged to 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 is driven by the driving piece 71 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 the arm 101 of the occupant, and the sleeve 31 is fixedly connected to the back 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 at different positions of the back frame 1 as needed, and may act on different portions of the trunk 102 of the occupant.
The association relation between the sleeve 31 of the stopper 3 and the backrest frame 1 is fixed, repeatable split or friction type.
Referring to fig. 3, the cover 31 of the fixed stopper 3 is fixedly connected with the back frame 1 through the mounting portion 32, and the adhesive force of the mounting portion 32 and the back frame 1 can be designed as needed;
Referring to fig. 4, the sleeve body 31 of the repeatable split type stop member 3 is in a closed structure, the mounting portion 32 is located between the sleeve body 31 and the backrest frame 1, and the mounting portion 32 is in an adhesive structure, so that the stop member 3 and the backrest frame 1 can be quickly separated or connected.
Referring to fig. 5, the sleeve body of the friction stopper 3 is adapted to the friction material of the surface of the back frame 1, and the friction material of the surface of the back 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:
1. After collision, the sleeve body 31 of the stop member 3 acts on armpits of the passenger 10 to prevent the downward movement trend of the trunk 102 of the passenger along the seat back skeleton 1 under the inertia effect, so that compression damage of the spine is effectively avoided.
2. The actuating member 71 of the recliner assembly 7 is released upon triggering of the crash signal.
3. The occupant 1 pulls the back frame 1 forward through the stopper 3, and the lower limbs 103 of the occupant press the seat cushion on the seat cushion frame 2, so that the seat assembly rotates counterclockwise, i.e., resets to the normal seating position.
Synchronously, the seat cushion rotates and presses downwards anticlockwise, the second connecting rod 72 of the inclination angle adjusting assembly 7 rotates clockwise relative to the seat cushion framework 2, and the third connecting rod 72 of the inclination angle adjusting assembly 7 rotates anticlockwise relative to the sliding seat 4.
Synchronously, the driving piece 71 of the inclination 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.
Synchronously, the third link 73 compresses the first damping assembly 8 during counterclockwise rotation.
4. When the seat cushion frame 2 is tilted back to the normal position, the driving member 71 of the reclining assembly 7 is braked, preventing the tilt from further changing.
5. During the counterclockwise rotation of the seat assembly, the passenger 10 and the seat assembly synchronously move forward under the inertia action during the frontal collision, so as to drive the sliding seat 4 to move forward along the sliding rail 5, and further the front end of the sliding seat 4 compresses the second damping adjustment assembly 9. When the slide seat 4 is moved back to the normal position, the stroke adjusting motor 12 for adjusting the movement of the slide seat 4 is braked to prevent the further change of the stroke of the slide seat 4.
6. When the entire seat and occupant posture are returned to the normal position, the existing restraint system 11 is activated so that the occupant 10 is effectively protected.
A vehicle comprising a seat assembly comprising the front impact restraint system of the zero gravity seat described above.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The front collision restraint system of the zero gravity seat comprises a backrest framework (1) and a cushion framework (2), and is characterized in that a stop piece (3) for limiting a trunk (102) of an occupant is arranged on the backrest framework (1), a sliding seat (4) is arranged below the cushion framework (2), the sliding seat (4) is connected onto a sliding rail (5) of a vehicle body floor in a front-back sliding manner, the rear part of the bottom surface of the 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 positioned in front of the sliding seat (4).
The stop piece (3) comprises a sleeve body (31) matched with an arm (101) of an occupant, and the sleeve body (31) is fixedly connected with the backrest framework (1) through a mounting part (32);
The association relation between the sleeve body (31) of the stop piece (3) and the backrest framework (1) is fixed, repeatable split or friction;
The sleeve body (31) of the fixed stop piece (3) is fixedly connected with the backrest framework (1) through the mounting part (32);
The sleeve body (31) of the repeatable split type stop piece (3) is of a closed structure, the mounting part (32) is positioned between the sleeve body (31) and the backrest framework (1), and the mounting part (32) is of an adhesive structure;
The sleeve body (31) of the friction type stop piece (3) is matched with the friction material on the surface of the backrest framework (1), and the friction material on the surface of the backrest framework (1) is used as an installation part (32);
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 to the front portion of the bottom surface of the seat cushion framework (2), the lower end of the second connecting rod (72) is hinged to the upper end of the third connecting rod (73), the lower end of the third connecting rod (73) is hinged to 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 is driven by the driving piece (71) 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).
2. A vehicle comprising a seat assembly, characterized in that: the seat assembly comprising the frontal collision restraint system of the zero gravity seat of claim 1.
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 CN115009127A (en) | 2022-09-06 |
| CN115009127B true CN115009127B (en) | 2024-05-07 |
Family
ID=83067617
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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| 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 |
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| CN113352960A (en) * | 2021-06-09 | 2021-09-07 | 东风汽车集团股份有限公司 | Automatic zero gravity seat structure and car of adjusting |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115009127A (en) | 2022-09-06 |
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