CN205344592U - Car back -row seat assembly and car - Google Patents
Car back -row seat assembly and car Download PDFInfo
- Publication number
- CN205344592U CN205344592U CN201620010262.0U CN201620010262U CN205344592U CN 205344592 U CN205344592 U CN 205344592U CN 201620010262 U CN201620010262 U CN 201620010262U CN 205344592 U CN205344592 U CN 205344592U
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- Prior art keywords
- cushion
- cylinder
- seat assembly
- gas generator
- rear seat
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- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 14
- 208000027418 Wounds and injury Diseases 0.000 abstract description 18
- 230000006378 damage Effects 0.000 abstract description 18
- 208000014674 injury Diseases 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 210000004197 pelvis Anatomy 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000017899 Foot injury Diseases 0.000 description 1
- 206010061225 Limb injury Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The utility model provides a car back -row seat assembly and car, this car back -row seat assembly includes: car back -row seat, car back -row seat include cushion and back, and the back is connected with the first end of cushion, set up in the air pressure device between the floor behind the second of cushion end and the automobile body, second end that air pressure device is used for promoting the cushion moves to make to be between cushion and the back and predetermines the angle to predetermineeing the direction. The embodiment of the utility model provides a second end installation air pressure device through the cushion at car back -row seat for when the car bumps, promote the second end motion of cushion through this air pressure device, make to be between cushion and the back and predetermine the angle and prevent the back row passenger to issue the removal forward, reduce the injury of driver and crew foot, avoid car back -row seat to sink and bring the injury for the back row passenger, this air pressure device occupation space is little simultaneously, does not influence back row passenger's travelling comfort.
Description
Technical Field
The utility model relates to an automobile safety technical field, in particular to car back-row seat assembly and car.
Background
With the rapid development of the automobile industry, the safety performance of automobiles has become an important consideration for the purchase of automobiles by consumers. The new car assessment program (CNCAP2015) in china starts to specially increase the assessment indexes of the submerged injury of the rear row passengers of the vehicle in the collision process for assessing the protection performance of the vehicle on the rear row passengers in the collision process. The conventional structure of the rear floor 1 and the rear seat 2 of the vehicle body is shown in FIG. 1, and the safety index is difficult to meet well; as shown in fig. 2, it is a common practice to add a metal bracket 3 with a certain height and strength at the position of the rear floor of the vehicle for accommodating the rear-row occupant sinking during the collision, and the bracket 3 is generally required to be higher and have a certain strength for generating a significant protection effect, and the comfort performance of the rear-row seat is seriously affected by the height of the bracket 3. Fig. 2 shows the current mainstream design of a car for rear occupant dive prevention, which sacrifices the comfort of the seat. In addition, to improve the C-NCAP score, the Master factory will take 2 considerations in designing this area: firstly, a balance is obtained between the collision safety and the comfort of the rear passengers; secondly, if particular emphasis is placed on ensuring a high level of safety, the comfort of the rear row ride is sacrificed and a higher metal anti-glide support is added, as shown in fig. 2. Therefore, the structural design of the metal anti-sliding support with the increased height can reduce the collision and submergence injury of the passengers on the back row, but the foam space of the larger back row seat is occupied, and the comfort of the passengers on the back row is sacrificed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car back row seat assembly and car has solved among the prior art and has prevented the gliding support through the metal and has sacrificed the problem of back row passenger's travelling comfort when reducing the injury that back row passenger collided dive.
In order to achieve the above object, an embodiment of the present invention provides an automobile rear seat assembly, including:
the automobile rear seat comprises a cushion and a backrest, wherein the backrest is connected with a first end of the cushion;
set up in air pressure device between the second end of cushion and automobile body rear floor, air pressure device is used for promoting the second end of cushion makes to predetermineeing the direction motion the cushion with be preset the angle between the back.
Wherein, the pneumatic device includes:
a base plate disposed at a second end of the seat cushion;
a piston cylinder including a cylinder and a piston movable in an axial direction of the cylinder; the cylinder is embedded in a rear floor of the vehicle body, a first end of the piston is arranged in the cylinder, and a second end of the piston is connected with the bottom plate;
the gas generator is embedded in the cylinder and used for generating gas; wherein,
Gas generated by the gas generator enters the cylinder, the piston is pushed to extend along the axial direction of the piston type cylinder, and the second end of the cushion is further pushed to move towards a preset direction; wherein the preset direction is the axial direction of the piston cylinder.
Wherein the gas generator is a pyrotechnic hybrid gas generator.
Wherein, car back-row seat assembly still includes:
a fixing bracket through which the gas generator is fitted into the cylinder.
The gas generator is connected with an electronic control unit of an automobile, and the electronic control unit is used for triggering an ignition signal of the gas generator to enable the gas generator to generate gas.
Wherein the preset angle is between 50 ° and 60 °.
Wherein, the bottom plate is a plane metal plate.
The embodiment of the utility model provides a still provide an automobile, include as above automobile back row seat assembly.
The above technical scheme of the utility model following beneficial effect has at least:
in the automobile rear seat assembly and the automobile provided by the embodiment of the utility model, the air pressure device is arranged at the second end of the cushion of the automobile rear seat, so that when the automobile collides, the air pressure device pushes the second end of the cushion to move, a preset angle is formed between the cushion and the backrest, the rear passenger is prevented from moving forwards, and the injury of feet of drivers and passengers is reduced; the injury to passengers in the rear row caused by the sinking of the rear row seats of the automobile is avoided; meanwhile, the air pressure device occupies a small space, and the comfort of passengers in the back row is not influenced.
Drawings
FIG. 1 is a view showing a conventional arrangement structure of a rear floor and rear seats of a vehicle body;
FIG. 2 is a view showing the arrangement of the rear floor and the rear seats of the vehicle body equipped with the metal anti-slide-down bracket;
fig. 3 is a schematic structural diagram i of a rear seat assembly of an automobile according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram ii of a rear seat assembly of an automobile provided in an embodiment of the present invention.
Description of reference numerals:
1-vehicle body rear floor; 2-rear row seats; 3-metal anti-slip support; 4-cushion; 5-air pressure device; 51 a floor panel; 52-piston cylinder; 521-a cylinder; 522-a piston; 53-gas generator.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a to the problem that has sacrificed the travelling comfort of back row passenger when reducing the injury that the back row passenger collided and dived through the metal support that prevents gliding among the prior art, provide a car back row seat assembly and car, through the second end installation air pressure unit at the cushion of car back row seat, make when the car collided, promote the second end motion of cushion through this air pressure unit, make and be the predetermined angle between cushion and the back and prevent the back row passenger from sending the removal forward, reduce driver and crew foot's injury; the injury to passengers in the rear row caused by the sinking of the rear row seats of the automobile is avoided; meanwhile, the air pressure device occupies a small space, and the comfort of passengers in the back row is not influenced.
As shown in fig. 3 and 4, an embodiment of the present invention provides an automobile rear seat assembly, including:
the automobile rear seat comprises a seat cushion 4 and a backrest (not shown in the figure), wherein the backrest is connected with a first end of the seat cushion 4;
set up in pneumatic means 5 between the second end of cushion 4 and automobile body rear floor 1, pneumatic means 5 is used for promoting the second end of cushion 4 makes to predetermineeing the direction motion the cushion 4 with be preset the angle between the back.
Specifically, fig. 3 shows the position and the state of the air pressure device 5 in the non-operating state (i.e., the state where the vehicle is not in collision); fig. 4 shows the position and state of the air pressure device 5 in an operating state (i.e., a state in which the vehicle has collided). As shown in fig. 3, the air pressure device 5 in the non-operating state hardly occupies the seat space, and does not affect the comfort of the seat; as further shown in fig. 4, in a collision, the air pressure device 5 in an operating state can make the seat cushion 4 and the backrest form a certain inclination angle so as to change the posture of the rear seat, prevent the passenger from moving forward and downward from the rear seat cushion to cause a dive injury, and improve the safety performance of the automobile.
Specifically, the preset angle is between 50 ° and 60 °, that is, the air pressure device 5 pushes the seat cushion 4 to form an included angle of 50 ° to 60 ° with the backrest in the working state (that is, the seat cushion 4 forms a rear inclined plane of 30 ° to 40 °) so as to avoid the occupant from generating a submerging injury, and an effective buffer device is formed to effectively protect the pelvis of the occupant.
Further, in the above embodiments of the present invention, as shown in fig. 3 and 4, the air pressure device 5 includes:
a bottom plate 51 provided at a second end of the seat cushion 4;
a piston cylinder 52, the piston cylinder 52 including a cylinder 521 and a piston 522 movable in an axial direction of the cylinder 521; the cylinder 521 is embedded in the rear floor 1 of the vehicle body, a first end of the piston 522 is arranged in the cylinder 521, and a second end of the piston 522 is connected with the bottom plate 51;
the gas generator 53 is embedded in the cylinder 521, and the gas generator 53 is used for generating gas; wherein,
the gas generated by the gas generator 53 enters the cylinder 521, pushes the piston 522 to extend along the axial direction of the piston cylinder 52, and further pushes the second end of the seat cushion 4 to move towards a preset direction; wherein the preset direction is the axial direction of the piston cylinder.
In the above embodiment of the present invention, the gas generator 53 generates a large amount of gas at the moment of collision of the automobile (within 10 ms), the large amount of gas generated by the gas generator 53 inflates the cylinder 521, the pressure of the cylinder 521 rises to push the piston 522 to move, so that the piston 522 extends axially; the piston 522 pushes the bottom plate 51 and the cushion 4 to move upwards, so that the rear row of seats are tilted upwards, and the injury caused by the sinking of the seats is avoided; it should be noted that the direction "upward" is only the direction shown in fig. 3 and 4, and is not intended to limit the scope of the present application.
Further, the gas generator 53 is a pyrotechnic hybrid gas generator. Specifically, the gas generator 53 generally includes compressed gas type, combustion type and hybrid type, the hybrid type is a preferred embodiment of the present invention, and other types of gas generators are also suitable for the present application.
Specifically, in the above embodiment of the present invention, the automobile rear seat assembly further includes:
a fixing bracket (not shown in the drawings) through which the gas generator is fitted into the cylinder.
Just in the embodiment of the utility model provides an in gas generator 53 is connected with the electronic control unit ECU of car, electronic control unit ECU is used for triggering gas generator's ignition signal makes gas generator produces gas.
That is, in the above embodiment of the present invention, the gas generator is a gas generator of a pyrotechnic mixture type, and is assembled into the cylinder through a dedicated gas generator fixing bracket, and after the vehicle collides and receives the ECU ignition information, a large amount of gas can be instantaneously generated.
Specifically, in the above embodiment of the present invention, the bottom plate 51 is a planar metal plate. That is, the bottom plate 51 is a flat metal plate with certain rigidity and strength, and the cylinder extends to push the bottom plate to generate acting force to push the cushion to move upwards.
The embodiment of the utility model provides an in, after the car bumps, gas generator can produce a large amount of harmless gas to the human body in the twinkling of an eye (in 10 ms), is full of the cylinder, promotes piston cylinder extension motion after being full of gas, props up back row seat cushion front portion through the bottom plate, as shown in fig. 4, this cylinder structure dwell time is more than 3s at least, guarantees to prevent back row passenger pelvis to slide to the below at the whole collision process of vehicle to collision injury is avoided to protection back row passenger's pelvis and chest. And the air pressure installation positions are as follows: on the vehicle body floor in the front end region below the rear row seats, the space of the rear row seats is not occupied, and the comfort level of the rear row seats is not influenced.
The embodiment of the utility model provides a prevent through pneumatic device that back row passenger personnel take place to dive in the collision process and cause the device of injury outside not sacrificing back row seat space and travelling comfort function, the piston takes place the extension to promote when the collision, and the air cushion structure cooperation back row seat that forms to have certain inclination prevents that back row passenger pelvis from removing to the below, reduces the injury of driver and passenger foot.
To sum up, the embodiment of the utility model provides an air pressure device that prevents back row passenger's dive injury among the car collision process, air pressure device include: the air pressure device is arranged at a specific position at the lower end of a rear seat of the rear floor of the vehicle. When the pneumatic device is collided, the ECU is used for igniting the gas generator to support the front end of the rear row of seats, a 30-40-degree backward inclined plane is formed to avoid the hidden injury of passengers, and an effective buffer device is formed to effectively protect the pelvis of the passengers. The technical scheme of the utility model utilizes the air pressure device to replace the traditional metal anti-submergence support, does not need to occupy too much seat space, does not need to design the structural strength and height of the metal anti-submergence support, solves the problem that the traditional metal anti-submergence support needs to occupy the seat cushion space because of the performance of the security certificate, thereby influencing the contradiction of riding comfort of the back row seat; the vehicle with the air pressure has no influence on the comfort performance in a normal state, and the arrangement structure of the rear seat can be changed when collision occurs, so that the safety performance of the passengers on the rear seat can be ensured.
In order to better achieve the above object, the embodiment of the present invention further provides an automobile, including the automobile rear seat assembly as described above.
The embodiment of the utility model provides an automobile can prevent the back row passenger personnel from taking place to dive in the collision process and cause the injury, can satisfy riding comfort well simultaneously; and the air pressure device of the automobile rear seat assembly does not occupy too large space of the rear seat cushion when not in operation, does not influence the riding comfort of the rear seat, can push the rear seat cushion to warp when the air cylinder moves by the piston when in collision, and forms an air cushion structure with a certain inclination angle to prevent the pelvis of the rear seat passenger from moving forwards and downwards so as to prevent the rear seat passenger from being injured by diving.
It should be noted that the embodiment of the present invention provides an automobile including the above automobile rear seat assembly, and all embodiments of the above automobile rear seat assembly are all applicable to this automobile, and all can achieve the same or similar beneficial effects.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An automotive rear seat assembly, comprising:
the automobile rear seat comprises a cushion and a backrest, wherein the backrest is connected with a first end of the cushion;
set up in air pressure device between the second end of cushion and automobile body rear floor, air pressure device is used for promoting the second end of cushion makes to predetermineeing the direction motion the cushion with be preset the angle between the back.
2. The rear seat assembly as set forth in claim 1, wherein said air pressure device comprises:
a base plate disposed at a second end of the seat cushion;
a piston cylinder including a cylinder and a piston movable in an axial direction of the cylinder; the cylinder is embedded in a rear floor of the vehicle body, a first end of the piston is arranged in the cylinder, and a second end of the piston is connected with the bottom plate;
the gas generator is embedded in the cylinder and used for generating gas; wherein,
gas generated by the gas generator enters the cylinder, the piston is pushed to extend along the axial direction of the piston type cylinder, and the second end of the cushion is further pushed to move towards a preset direction; wherein the preset direction is the axial direction of the piston cylinder.
3. The rear seat assembly of claim 2, wherein the gas generator is a pyrotechnic hybrid gas generator.
4. The rear seat assembly as recited in claim 3, further comprising:
a fixing bracket through which the gas generator is fitted into the cylinder.
5. The rear seat assembly of claim 4, wherein the gas generator is connected to an electronic control unit of the vehicle, the electronic control unit being configured to trigger an ignition signal from the gas generator to cause the gas generator to generate gas.
6. The automobile rear seat assembly as recited in claim 2, wherein the predetermined angle is between 50 ° and 60 °.
7. The automobile rear seat assembly as recited in claim 2, wherein said floor is a planar metal plate.
8. An automobile comprising a rear seat assembly as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010262.0U CN205344592U (en) | 2016-01-05 | 2016-01-05 | Car back -row seat assembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010262.0U CN205344592U (en) | 2016-01-05 | 2016-01-05 | Car back -row seat assembly and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205344592U true CN205344592U (en) | 2016-06-29 |
Family
ID=56173913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620010262.0U Active CN205344592U (en) | 2016-01-05 | 2016-01-05 | Car back -row seat assembly and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205344592U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487244A (en) * | 2017-05-24 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Seat mounting structure and vehicle |
| CN110877554A (en) * | 2018-09-05 | 2020-03-13 | 宁波均胜汽车安全系统有限公司 | Passenger car seat and passenger car adopting same |
| CN112060985A (en) * | 2019-06-11 | 2020-12-11 | 标致雪铁龙汽车股份有限公司 | Back row cushion, back row seat and vehicle |
| CN115123038A (en) * | 2022-07-29 | 2022-09-30 | 中国第一汽车股份有限公司 | Seat control method, device and equipment applied to vehicle and storage medium |
-
2016
- 2016-01-05 CN CN201620010262.0U patent/CN205344592U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487244A (en) * | 2017-05-24 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Seat mounting structure and vehicle |
| CN107487244B (en) * | 2017-05-24 | 2020-01-17 | 宝沃汽车（中国）有限公司 | Seat mounting structure and vehicle |
| CN110877554A (en) * | 2018-09-05 | 2020-03-13 | 宁波均胜汽车安全系统有限公司 | Passenger car seat and passenger car adopting same |
| CN112060985A (en) * | 2019-06-11 | 2020-12-11 | 标致雪铁龙汽车股份有限公司 | Back row cushion, back row seat and vehicle |
| CN115123038A (en) * | 2022-07-29 | 2022-09-30 | 中国第一汽车股份有限公司 | Seat control method, device and equipment applied to vehicle and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |