CN108372933B - Bionic air bag neck protection device for airborne passengers - Google Patents
Bionic air bag neck protection device for airborne passengers Download PDFInfo
- Publication number
- CN108372933B CN108372933B CN201810364590.4A CN201810364590A CN108372933B CN 108372933 B CN108372933 B CN 108372933B CN 201810364590 A CN201810364590 A CN 201810364590A CN 108372933 B CN108372933 B CN 108372933B
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- air chamber
- exhaust valve
- lower shoulder
- neck support
- upper neck
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- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 18
- 230000000452 restraining effect Effects 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 210000004556 brain Anatomy 0.000 claims description 3
- 238000005422 blasting Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000028373 Neck injury Diseases 0.000 description 3
- 208000034656 Contusions Diseases 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000009519 contusion Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001202 rhombencephalon Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
- B64D25/02—Supports or holding means for living bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/062—Belts or other passenger restraint means for passenger seats
- B64D11/06205—Arrangements of airbags
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air Bags (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a bionic air bag neck protection device for an airborne passenger, which comprises an upper neck support air chamber, a middle air chamber and a lower shoulder support air chamber; the upper neck support air chamber, the middle air chamber and the lower shoulder supporting air chamber are arranged in a mode of being overlapped from top to bottom; the upper neck support air chamber can exhaust and release pressure to the outside through an exhaust valve of the upper neck support air chamber, and can exhaust to a middle air chamber through a combined exhaust valve, and the middle air chamber expands to realize primary buffering; the middle air chamber can exhaust and release pressure outwards through the middle air chamber exhaust valve, and can exhaust through the combined exhaust valve II to the lower shoulder supporting air chamber, and the lower shoulder supporting air chamber expands to realize secondary buffering; the lower shoulder supporting air chamber can realize three-level buffering by exhausting and releasing pressure to the outside through an exhaust valve of the lower shoulder supporting air chamber; the bionic air bag neck guard device can prevent the head and the neck of a human body from secondary collision with the interior trim of a war chariot through multistage buffering, can realize multistage release of the internal pressure of the air chamber, and prevents the air bag neck guard from blasting, so that the safe landing of airborne passengers is effectively ensured.
Description
Technical Field
The invention relates to the field of manned airborne safety protection, in particular to an airborne passenger bionic airbag neck protection device.
Background
The manned airborne vehicle and passengers implement airborne simultaneously. Since an airborne passenger will bear a huge impact load on the ground at the moment of landing, in order to ensure the airborne passenger to land safely, an occupant protection device must be used to reduce the damage of the impact load to the human body. The airborne passenger safety seat is used as an integral protection device, can effectively reduce the damage of impact load to passengers and avoid secondary collision between the passengers and the interior trim of the combat vehicle. However, a great deal of practice shows that the neck injury of the human body is the most main injury expression form of the airborne passengers during landing, and the safety landing of the airborne passengers cannot be guaranteed in all directions only by the safety seat. Therefore, a special neck protection device needs to be developed aiming at the structure and the damage mechanism of the human neck so as to ensure the safety of the airborne passengers.
In the actual manned airborne landing process, the existing airborne passenger neck protection device has the following problems:
1. in the existing airborne passenger neck protection device, a neck protection device with a mechanical structure is often adopted, but the neck protection device has high rigidity and heavy mass, and especially under the action of impact load, contusion is easy to occur with a human body.
2. In order to overcome the defects of high rigidity and heavy weight of the neck guard device with a mechanical structure, the air bag neck guard device is widely adopted, but in the existing air drop passenger air bag neck guard device, the air bag neck guard device with a single air chamber is adopted, so that the setting of the initial buffer air pressure of the air chamber is excessively single and has limitation, and the buffer protection effect is limited.
3. The existing single-air-chamber air bag neck protection device is used for exhausting outwards through the exhaust hole, so that pressure relief is realized. However, in the landing buffering process of manned airborne landing, if the air bag neck protection device is oversized in the air hole, effective buffering protection cannot be implemented on the head and the neck of a human body, and secondary collision between the head and the neck of the human body and the interior trim of a war chariot is easy to occur; if the air bag neck guard vent hole is too small, the air bag is liable to burst due to the rapid increase of the pressure in the air bag cavity and the too slow outward venting speed, which can cause fatal damage to the descending passengers.
4. In the landing impact process of manned airborne landing, the neck injury of the passenger is mainly caused by the acceleration and the speed of the head of the human body relative to the first rib of the chest of the human body, if the motion characteristics of the head of the passenger under impact load can be well reduced or limited, the neck injury of the passenger can be effectively reduced, but the motion limitation of the current air bag neck protection device on the head of the airborne passenger is limited.
Disclosure of Invention
In order to overcome the problems, the invention provides a bionic air bag neck guard device which solves the problems.
The technical scheme adopted for solving the technical problems is as follows: a neck protection device of an airborne passenger bionic air bag comprises an upper neck support air chamber, a middle air chamber and a lower shoulder support air chamber; the upper neck support air chamber, the middle air chamber and the lower shoulder support air chamber are arranged in a mode of being overlapped from top to bottom; an upper neck support boss which can be tightly attached to the lower jaw of the head of the human body is arranged at the front end of the upper neck support air chamber, an upper neck support concave table which can be tightly attached to the hindbrain spoon of the head of the human body is arranged at the rear end of the upper neck support air chamber, and the upper neck support boss and the upper neck support concave table can play a role in blocking and restraining the movement of the head of the human body under impact load; an upper neck support air chamber inflation valve is arranged on the surface of the upper neck support air chamber, an upper neck support air chamber exhaust valve is arranged on the surface of the upper neck support air chamber, a layer of air chamber diaphragm I is arranged between the upper neck support air chamber and the middle air chamber, and a combined exhaust valve I is arranged on the air chamber diaphragm I; the first combined exhaust valve is a one-way exhaust valve and is uniformly arranged on the first air chamber diaphragm in the clockwise direction; the upper neck support air chamber not only can exhaust and release pressure to the outside through the exhaust valve of the upper neck support air chamber, but also can exhaust to the middle air chamber through the combined exhaust valve so as to realize the first-stage buffering function;
the surface of the middle air chamber is provided with a middle air chamber inflation valve, the surface of the middle air chamber is provided with a middle air chamber exhaust valve, a layer of air chamber diaphragm II is arranged between the middle air chamber and the lower shoulder supporting air chamber, and the air chamber diaphragm II is provided with a joint exhaust valve II; the second combined exhaust valve is a one-way exhaust valve and is uniformly arranged on the second air chamber diaphragm in the clockwise direction; the middle air chamber can exhaust and release pressure to the outside through an exhaust valve of the middle air chamber, and can exhaust through a combined exhaust valve II to a downward shoulder supporting air chamber so as to realize a second-stage buffering function;
the bottom of the lower shoulder supporting air chamber is provided with a lower shoulder supporting concave platform which can be tightly attached to the shoulders of a human body, and the lower shoulder supporting concave platform can play a supporting and restraining role on the air bag neck guard; the lower shoulder supporting air chamber is provided with a lower shoulder supporting air chamber inflation valve, and the surface of the lower shoulder supporting air chamber is provided with a lower shoulder supporting air chamber exhaust valve. The lower shoulder supporting air chamber can exhaust and release pressure to the outside through the exhaust valve of the lower shoulder supporting air chamber so as to realize the third-stage buffering function.
Preferably, the upper neck support boss and the surface of the upper neck support concave table are sealed with a layer of fiber felt, so that the structural characteristics of the upper neck support air chamber are prevented from being excessively deformed when the upper neck support air chamber is pressed and expanded.
Preferably, the upper neck support air chamber exhaust valve is a one-way exhaust valve, and the upper neck support air chamber exhaust valve is uniformly arranged on the surface of the upper neck support air chamber in the clockwise direction.
Preferably, the middle air chamber exhaust valve is a one-way exhaust valve, and the middle air chamber exhaust valve is uniformly arranged on the surface of the middle air chamber in the clockwise direction.
Preferably, the lower shoulder supporting air chamber exhaust valve is a one-way exhaust valve, and the lower shoulder supporting air chamber exhaust valve is uniformly arranged on the surface of the lower shoulder supporting air chamber in the clockwise direction.
Preferably, a layer of fiber felt is sealed on the surface of the lower shoulder supporting concave table, so that the structural characteristics of the lower shoulder supporting air chamber are prevented from being excessively deformed when the lower shoulder supporting air chamber is compressed and expanded.
The beneficial effects of the invention are as follows:
1. aiming at the 1 st point of the background technology, the bionic air bag neck protection device for the airborne passengers is adopted to solve the problem, and the contusion of the human body caused by impact load is prevented.
2. Aiming at the 2 nd point of the background technology, the bionic air bag neck protection device with the structure comprising an upper neck support air chamber, a middle air chamber and a lower shoulder support air chamber is adopted to solve the problem. The upper neck support air chamber, the middle air chamber and the lower shoulder support air chamber are arranged in a mode of being overlapped from top to bottom, and different initial buffer air pressures can be set according to specific airborne landing conditions, so that multistage buffering of the neck of a human body in the landing impact process of manned airborne landing is realized.
3. Aiming at the 3 rd point provided by the background technology, the invention adopts the following design: the upper neck support air chamber can exhaust and release pressure to the outside through an exhaust valve of the upper neck support air chamber, and can exhaust to a middle air chamber through a combined exhaust valve, and the middle air chamber expands to realize primary buffering; the middle air chamber can exhaust and release pressure outwards through the middle air chamber exhaust valve, and can exhaust through the combined exhaust valve II to the lower shoulder supporting air chamber, and the lower shoulder supporting air chamber expands to realize secondary buffering; the lower shoulder supporting air chamber can realize three-level buffering by exhausting and releasing pressure to the outside through an exhaust valve of the lower shoulder supporting air chamber; the multistage buffering of the air bag neck protection device can prevent the head and neck of a human body from secondary collision with the interior decoration of a war vehicle, can realize multistage release of the pressure in the air chamber of the air bag neck protection device, and prevents the air bag neck protection from blasting, thereby effectively ensuring the safe landing of airborne passengers.
4. Aiming at the 4 th point proposed by the background technology, the invention adopts the following design: an upper neck support boss which can be tightly attached to the jaw of the head of the human body is arranged at the front end of the upper neck support air chamber, an upper neck support concave table which can be tightly attached to the back brain spoon of the head of the human body is arranged at the rear end of the upper neck support air chamber, and the upper neck support boss and the upper neck support concave table can play a role in blocking and restraining the movement of the head of the human body under impact load; a lower shoulder supporting concave table which can be tightly attached to the shoulders of a human body is arranged at the bottom of the lower shoulder supporting air chamber, and the lower shoulder supporting concave table can play a supporting and restraining role on the air bag neck guard; through the design, the acceleration and the speed of the head of the human body relative to the first rib of the chest of the human body can be effectively reduced, so that the movement characteristics of the head of the airborne passenger under impact load are limited.
Note that: the above designs are not sequential, each of which provides a distinct and significant advance over the prior art.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is an overall schematic diagram of a bionic airbag neck guard for an airborne passenger of the invention;
FIG. 2 is a partial cross-sectional view of the entire air-drop occupant bionic airbag neck guard of the present invention;
FIG. 3 is a top view of the bionic air bag neck guard for an airborne passenger of the invention;
FIG. 4 is a left side view of the bionic air bag neck guard for an airborne passenger of the invention;
FIG. 5 is a cross-sectional view of the air-drop occupant bionic airbag neck guard A-A of the present invention;
FIG. 6 is a schematic view of a structure of an air chamber diaphragm of the air chamber neck guard of the bionic air bag for airborne passengers;
FIG. 7 is a schematic diagram of a second air chamber diaphragm of the air chamber neck guard device of the bionic air bag for airborne passengers.
In the drawings, reference numerals are as follows:
1. the upper neck support air chamber 2, the middle air chamber 3, the lower shoulder support air chamber 4, the upper neck support boss 5, the upper neck support concave table 6, the upper neck support air chamber inflation valve 7, the upper neck support air chamber exhaust valve 8, the air chamber diaphragm one 9, the combined exhaust valve one 10, the middle air chamber inflation valve 11, the middle air chamber exhaust valve 12, the air chamber diaphragm two 13, the combined exhaust valve two 14, the lower shoulder support air chamber inflation valve 15, the lower shoulder support air chamber exhaust valve 16 and the fiber felt
Detailed Description
As shown in the figure: a neck protection device of an air-drop passenger bionic air bag comprises an upper neck support air chamber 1, a middle air chamber 2 and a lower shoulder support air chamber 3; the upper neck brace air chamber 1, the middle air chamber 2 and the lower shoulder brace air chamber 3 are arranged in a mode of being overlapped from top to bottom; an upper neck support boss 4 which can be tightly attached to the jaw of the head of a human body is arranged at the front end of the upper neck support air chamber 1, an upper neck support concave table 5 which can be tightly attached to the back brain spoon of the head of the human body is arranged at the rear end of the upper neck support air chamber 1, and the upper neck support boss 4 and the upper neck support concave table 5 can play a role in blocking and restraining the movement of the head of the human body under impact load; the surface of the upper neck support air chamber 1 is provided with an upper neck support air chamber inflation valve 6, the surface of the upper neck support air chamber 1 is provided with four upper neck support air chamber exhaust valves 7, a layer of air chamber diaphragm I8 is arranged between the upper neck support air chamber 1 and the middle air chamber 2, and the air chamber diaphragm I8 is provided with four combined exhaust valves I9; the first combined exhaust valve 9 is a one-way exhaust valve, and the first combined exhaust valve 9 is uniformly arranged on the first air chamber diaphragm 8 in the clockwise direction.
As shown in the figure: the surface of the middle air chamber 2 is provided with a middle air chamber inflation valve 10, the surface of the middle air chamber 2 is provided with four middle air chamber exhaust valves 11, a layer of air chamber diaphragm two 12 is arranged between the middle air chamber 2 and the lower shoulder supporting air chamber 3, and the air chamber diaphragm two 12 is provided with four combined exhaust valves two 13; the second combined exhaust valve 13 is a one-way exhaust valve, and the second combined exhaust valve 13 is uniformly arranged on the second air chamber diaphragm 12 in the clockwise direction.
As shown in the figure: a lower shoulder supporting concave platform which can be tightly attached to the shoulders of a human body is arranged at the bottom of the lower shoulder supporting air chamber 3, and the lower shoulder supporting concave platform can play a supporting and restraining role on the air bag neck guard; the lower shoulder supporting air chamber 3 is provided with a lower shoulder supporting air chamber inflation valve 14, and the surface of the lower shoulder supporting air chamber 3 is provided with four lower shoulder supporting air chamber exhaust valves 15.
As shown in the figure: the surfaces of the upper neck support boss 4 and the upper neck support concave table 5 are sealed with a layer of fiber felt 16, so that the structural characteristics of the upper neck support air chamber 1 are prevented from being excessively deformed when being compressed and expanded; the upper neck support air chamber exhaust valve 7 is a one-way exhaust valve, and the upper neck support air chamber exhaust valve 7 is uniformly arranged on the surface of the upper neck support air chamber 1 in the clockwise direction; the middle air chamber exhaust valve 11 is a one-way exhaust valve, and the middle air chamber exhaust valve 11 is uniformly arranged on the surface of the middle air chamber 2 in the clockwise direction; the lower shoulder supporting air chamber exhaust valve 15 is a one-way exhaust valve, and the lower shoulder supporting air chamber exhaust valve 15 is uniformly arranged on the surface of the lower shoulder supporting air chamber 3 along the clockwise direction; the surface of the lower shoulder supporting concave table is sealed with a layer of fiber felt 16 to prevent the structural characteristics of the lower shoulder supporting air chamber 3 from being excessively deformed when being compressed and expanded.
The invention can prevent the head and neck of the human body from secondary collision with the interior decoration of the war vehicle through the multistage buffering of the air bag neck protection device, and can realize the multistage release of the pressure in the air chamber of the air bag neck protection device, and prevent the explosion of the air bag neck protection, thereby effectively ensuring the safe landing of the airborne passengers.
The foregoing detailed description is directed to embodiments of the invention which are not intended to limit the scope of the invention, but rather to cover all modifications and variations within the scope of the invention.
Claims (6)
1. The utility model provides a bionic gasbag neck protection device of airborne passenger, includes upper neck support air chamber (1), middle part air chamber (2) and lower shoulder props air chamber (3), its characterized in that: the upper neck support air chamber (1), the middle air chamber (2) and the lower shoulder support air chamber (3) are arranged in a mode of being overlapped from top to bottom; an upper neck support boss (4) which can be tightly attached to the jaw of the head of a human body is arranged at the front end of the upper neck support air chamber (1), an upper neck support concave table (5) which can be tightly attached to the back brain spoon of the head of the human body is arranged at the rear end of the upper neck support air chamber (1), and the upper neck support boss (4) and the upper neck support concave table (5) can play a role in blocking and restraining the movement of the head of the human body under impact load; an upper neck support air chamber inflation valve (6) is arranged on the surface of the upper neck support air chamber (1), an upper neck support air chamber exhaust valve (7) is arranged on the surface of the upper neck support air chamber (1), an air chamber diaphragm I (8) is arranged between the upper neck support air chamber (1) and the middle air chamber (2), and a joint exhaust valve I (9) is arranged on the air chamber diaphragm I (8); the first combined exhaust valve (9) is a one-way exhaust valve, and the first combined exhaust valve (9) is uniformly arranged on the first air chamber diaphragm (8) along the clockwise direction; the upper neck support air chamber (1) can discharge air to the outside through an exhaust valve (7) of the upper neck support air chamber and discharge air to the middle air chamber (2) through a combined exhaust valve I (9), so that a first-stage buffering function is realized;
a middle air chamber inflation valve (10) is arranged on the surface of the middle air chamber (2), a middle air chamber exhaust valve (11) is arranged on the surface of the middle air chamber (2), a layer of air chamber diaphragm II (12) is arranged between the middle air chamber (2) and the lower shoulder supporting air chamber (3), and a joint exhaust valve II (13) is arranged on the air chamber diaphragm II (12); the second combined exhaust valve (13) is a one-way exhaust valve, and the second combined exhaust valve (13) is uniformly arranged on the second air chamber diaphragm (12) along the clockwise direction; the middle air chamber (2) can exhaust and release pressure to the outside through the middle air chamber exhaust valve (11), and can also exhaust to the lower shoulder supporting air chamber (3) through the combined exhaust valve II (13), so as to realize the second-stage buffering function;
a lower shoulder supporting concave table which can be tightly attached to the shoulders of a human body is arranged at the bottom of the lower shoulder supporting air chamber (3), and the lower shoulder supporting concave table can play a supporting and restraining role on the air bag neck guard; the lower shoulder supporting air chamber (3) is provided with a lower shoulder supporting air chamber inflation valve (14), and the surface of the lower shoulder supporting air chamber (3) is provided with a lower shoulder supporting air chamber exhaust valve (15); the lower shoulder supporting air chamber (3) can discharge air to the outside through the lower shoulder supporting air chamber exhaust valve (15) so as to realize the third-stage buffering function.
2. The airborne passenger bionic airbag neck protection device of claim 1, wherein: and a layer of fiber felt (16) is sealed on the surfaces of the upper neck support boss (4) and the upper neck support concave table (5) to prevent the structural characteristics of the upper neck support air chamber (1) from deforming when being pressed and expanded.
3. The airborne passenger bionic airbag neck protection device of claim 1, wherein: the upper neck support air chamber exhaust valve (7) is a one-way exhaust valve, and the upper neck support air chamber exhaust valve (7) is uniformly arranged on the surface of the upper neck support air chamber (1) along the clockwise direction.
4. The airborne passenger bionic airbag neck protection device of claim 1, wherein: the middle air chamber exhaust valve (11) is a one-way exhaust valve, and the middle air chamber exhaust valve (11) is uniformly arranged on the surface of the middle air chamber (2) along the clockwise direction.
5. The airborne passenger bionic airbag neck protection device of claim 1, wherein: the lower shoulder air supporting chamber exhaust valve (15) is a one-way exhaust valve, and the lower shoulder air supporting chamber exhaust valve (15) is uniformly arranged on the surface of the lower shoulder air supporting chamber (3) along the clockwise direction.
6. The airborne passenger bionic airbag neck protection device of claim 1, wherein: a layer of fiber felt (16) is sealed on the surface of the lower shoulder supporting concave table, so that the structural characteristics of the lower shoulder supporting air chamber (3) are prevented from deforming when the lower shoulder supporting air chamber is pressed and expanded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364590.4A CN108372933B (en) | 2018-04-23 | 2018-04-23 | Bionic air bag neck protection device for airborne passengers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364590.4A CN108372933B (en) | 2018-04-23 | 2018-04-23 | Bionic air bag neck protection device for airborne passengers |
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| Publication Number | Publication Date |
|---|---|
| CN108372933A CN108372933A (en) | 2018-08-07 |
| CN108372933B true CN108372933B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810364590.4A Active CN108372933B (en) | 2018-04-23 | 2018-04-23 | Bionic air bag neck protection device for airborne passengers |
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