CN105253097A - Automobile air sac type safety belt application method - Google Patents
Automobile air sac type safety belt application method Download PDFInfo
- Publication number
- CN105253097A CN105253097A CN201510684527.5A CN201510684527A CN105253097A CN 105253097 A CN105253097 A CN 105253097A CN 201510684527 A CN201510684527 A CN 201510684527A CN 105253097 A CN105253097 A CN 105253097A
- Authority
- CN
- China
- Prior art keywords
- air bag
- air
- air sac
- cavity
- depressed part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23308—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other the individual compartments defining the external shape of the bag
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses an automobile air sac type safety belt application method comprising the following steps that when a driving state quickly decelerates from high speed, an air pump connected with a vehicle driving safety system starts to work and directly inflates the air sac; before a driver trunk is tied by the safety belt body, the air sac has a direct contact with the driver trunk part; with high efficient buffering of the air sac, a recessed part is formed in the middle of the air sac and adaptive to the contact part; the recessed part is divided by a tightening port into an upper cavity and a lower cavity communicated with the upper cavity; an air inlet channel capable of narrowing the space between the upper cavity and the lower cavity enables air in the air sac to fill up the upper cavity in priority; and the expanding part has a contact with a maximum stress part. The arc-shaped recessed part arranged in the middle of the air sac is adaptive to the contact part; and injection damage to the contact parts by the middle of the air sac after collision can be prevented.
Description
Technical field
The present invention relates to Intelligent Vehicle Initiative Security System, specifically refer to a kind of application process of automotive airbag type safety belt.
Background technology
In automotive safety research, air bag, as the auxiliary configuration of vehicle body passive satety, is day by day subject to people's attention.When automobile and obstacle collision rift, be called primary collision, occupant and car inner member collide, be called secondary collision, a gassiness air cushion opened rapidly by air bag after primary collision, before secondary collision, " flutter on air cushion " when occupant is moved because of inertia thus relax impact that occupant is subject to and absorb collision energy, alleviating the extent of injury of occupant.Air bag is extensive in automotive interior application, comprises operator seat safety air bag, co-driver safety air bag, front-seat side airbag, gas curtain and knee air bag etc.Safety air bag is generally made up of sensor, automatically controlled single, gas generator, air bag, afterflow device etc., forms air bag module together with usual gas generator does with air bag etc.Sensor experiences auto against intensity, and the signal experienced is sent to controller, the signal of controller receiving sensor is gone forward side by side row relax, when it judges to be necessary to open air bag, send ignition signal immediately with traps gas producer, after gas generator receives ignition signal, rapid fire well produces a large amount of gas to airbag aeration.
But safety air bag of the prior art exists following defect, and air bag system belongs to passive safety system, safety guard-safeguard cannot be moved to passenger real alms giver; When vehicle does not collide; due to emergency case; as carried out sudden stop at high speeds; now air bag system all can not start; and due to the sharply change of motoring condition; even if navigating mate, under the protection of safety strap, comparatively serious injury can not occur, but just because of the restriction of safety strap to trunk on chaufeur, the upper trunk of navigating mate is made to be subject to obvious ankle injury.
Summary of the invention
The object of the present invention is to provide a kind of application process of automotive airbag type safety belt, start the upper trunk of air bag to navigating mate when motoring condition sharply changes and protect, avoid navigating mate to occur serious ankle injury.
Object of the present invention is achieved through the following technical solutions:
An application process for automotive airbag type safety belt, comprises the following steps:
A is when driving a vehicle dynamically by when reducing rapidly at a high speed, and the air pump be connected with automobile active safety system is started working, and directly carries out fast aeration to air bag;
The volume expansion part of B air bag starts to eject by cracking, and topmost contact portion is shoulder to chest, belly side area between safety strap and upper trunk, on safety strap body ties navigating mate tight before trunk, air bag just directly contacts with torso portion on chaufeur, utilize the high efficiency buffer of air bag, the middle part of air bag arranges the depressed part of arc, and this depressed part and described contact portion adapt;
Depressed part is directly divided into the epicoele and cavity of resorption that are interconnected by the tight mouth of C, and the free air diffuser between the reduced epicoele of tight mouth and cavity of resorption, make the gas in air bag preferentially fill epicoele, make its dilation and maximum weighted part contact;
In above-mentioned steps, compression chamber is provided with in described safety strap, airbag fold is placed in compression chamber, and be provided with in the side that described safety strap presses close to seat and crack, the end of described air bag is provided with admission port, in the middle part of air bag positive symmetry slot sidewall on be provided with the depressed part of arc, and inwall in the middle part of described depressed part is provided with tight mouth.
As everyone knows, to in airtight cavity during insufflation gas, air-flow flows to the meiobar of cavity usually, after being about to the cavity bottom filling relative with inflow point, whole cavity is just filled complete by gas, therefore in the present invention, for shoulder to the maximum weighted part of chest region, the air bag of this part then requires to be filled fast, to reduce hard defects or the appearance of soft tissue injury in upper trunk, the middle part of depressed part is provided with tight mouth, depressed part is directly divided into the epicoele and cavity of resorption that are interconnected by this tight mouth, and the function of tight mouth is the free air diffuser reduced between epicoele and cavity of resorption, the gas in air bag is made preferentially to fill epicoele, make its dilation and maximum weighted part contact, and then the injury rate greatly reduced in moderating process.
Described tight mouth is that internal diameter points to the nylon cone of successively decreasing in the direction bottom air bag along admission port.Flow diameter between the epicoele of depressed part and cavity of resorption directly changes by the nylon cone that internal diameter successively decreases; namely the top of air bag can be met by Fast Filling; meanwhile; air-flow in air bag epicoele is injected in air bag cavity of resorption by nylon cone; make whole air bag expansion, to reach the object of the upper trunk of protection.
Described air bag is fixed on the inwall of compression chamber away from the sidewall cracked.As preferably; crack for avoiding air bag direct overall ejection after expansion; air bag is fixed on the inwall of compression chamber away from the sidewall cracked; limit the expansion direction of air bag simultaneously; namely limit the positive symmetry slot of expansion direction of air bag, improve air bag to the full extent to the protected effect of upper trunk.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is directed to the maximum weighted part of shoulder to chest region, the air bag of this part then requires to be filled fast, to reduce hard defects or the appearance of soft tissue injury in upper trunk, the middle part of depressed part is provided with tight mouth, depressed part is directly divided into the epicoele and cavity of resorption that are interconnected by this tight mouth, and the function of tight mouth is the free air diffuser reduced between epicoele and cavity of resorption, the gas in air bag is made preferentially to fill epicoele, make its dilation and maximum weighted part contact, and then greatly reduce the injury rate in moderating process;
Flow diameter between the epicoele of depressed part and cavity of resorption directly changes by the nylon cone that 2, internal diameter of the present invention successively decreases, namely the top of air bag can be met by Fast Filling, meanwhile, air-flow in air bag epicoele is injected in air bag cavity of resorption by nylon cone, make whole air bag expansion, to reach the object of the upper trunk of protection;
3, air bag is fixed on the inwall of compression chamber away from the sidewall cracked by the present invention, limits the expansion direction of air bag simultaneously, namely limits the positive symmetry slot of expansion direction of air bag, improves air bag to the full extent to the protected effect of upper trunk.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of air bag;
Fig. 3 is the structural representation of tight mouth;
Mark and corresponding parts title in accompanying drawing:
1-safety strap, 2-crack, 3-air bag, 4-depressed part, the tight mouth of 5-, 6-admission port, 7-nylon cone.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the present embodiment comprises the following steps:
A is when driving a vehicle dynamically by when reducing rapidly at a high speed, and the air pump be connected with automobile active safety system is started working, and directly carries out fast aeration to air bag;
The volume expansion part of B air bag starts to eject by cracking, and topmost contact portion is shoulder to chest, belly side area between safety strap and upper trunk, on safety strap body ties navigating mate tight before trunk, air bag just directly contacts with torso portion on chaufeur, utilize the high efficiency buffer of air bag, the middle part of air bag arranges the depressed part of arc, and this depressed part and described contact portion adapt;
Depressed part is directly divided into the epicoele and cavity of resorption that are interconnected by the tight mouth of C, and the free air diffuser between the reduced epicoele of tight mouth and cavity of resorption, make the gas in air bag preferentially fill epicoele, make its dilation and maximum weighted part contact; Compression chamber is provided with in described safety strap 1, air bag 3 is folding to be placed in compression chamber, and be provided with in the side that described safety strap 1 presses close to seat and crack 2, the end of described air bag 3 is provided with admission port 6, in the middle part of air bag 3 positive symmetry slot 2 sidewall on be provided with the depressed part 4 of arc, and inwall in the middle part of described depressed part 4 is provided with tight mouth 5.
When driving a vehicle dynamically by when reducing rapidly at a high speed, air bag 3 pours into gas by air pump fast by admission port 6,3, air bag realizes rapid expanding, the volume expansion part of air bag 3 starts 2 to eject by cracking, on safety strap 1 body ties navigating mate tight before trunk, air bag 3 just directly contacts with torso portion on chaufeur, utilizes the high efficiency buffer of air bag 3, to reduce the tie effect of safety strap 1 to upper trunk.And, in the process that driving states changes rapidly, the air pump be connected with automobile active safety system is started working, directly fast aeration is carried out to air bag 3, and topmost contact portion is shoulder to chest, belly side area between safety strap 1 and upper trunk, and the middle part of air bag 3 arranges the depressed part 4 of arc in the present invention, this depressed part 4 adapts with described contact portion, prevents from directly causing this contact portion in the middle part of the air bag 3 of collision rift launching injury.
As everyone knows, to in airtight cavity during insufflation gas, air-flow flows to the meiobar of cavity usually, after being about to the cavity bottom filling relative with inflow point, whole cavity is just filled complete by gas, therefore in the present invention, for shoulder to the maximum weighted part of chest region, 3, the air bag requirement of this part is filled fast, to reduce hard defects or the appearance of soft tissue injury in upper trunk, the middle part of depressed part 4 is provided with tight mouth 5, depressed part 4 is directly divided into the epicoele and cavity of resorption that are interconnected by this tight mouth 5, and the function of tight mouth 5 is the free air diffusers reduced between epicoele and cavity of resorption, the gas in air bag 3 is made preferentially to fill epicoele, make its dilation and maximum weighted part contact, and then the injury rate greatly reduced in moderating process.
Described tight mouth 5 is that internal diameter points to the nylon cone 7 of successively decreasing in the direction bottom air bag 3 along admission port 6.Flow diameter between the epicoele of depressed part 4 and cavity of resorption directly changes by the nylon cone 7 that internal diameter successively decreases; namely the top of air bag 3 can be met by Fast Filling; meanwhile; air-flow in air bag 3 epicoele is injected in air bag 3 cavity of resorption by nylon cone 7; make the expansion of whole air bag 3, to reach the object of the upper trunk of protection.
As preferably; 2 are cracked for avoiding air bag 3 direct overall ejection after expansion; by air bag 3 away from crack 2 a sidewall be fixed on the inwall of compression chamber; limit the expansion direction of air bag 3 simultaneously; namely limit the positive symmetry slot 2 of expansion direction of air bag 3, improve air bag 3 to the full extent to the protected effect of upper trunk.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an application process for automotive airbag type safety belt, is characterized in that, comprises the following steps:
A is when driving a vehicle dynamically by when reducing rapidly at a high speed, and the air pump be connected with automobile active safety system is started working, and directly carries out fast aeration to air bag (3);
The volume expansion part of B air bag (3) starts to be ejected by crack (2), and topmost contact portion is shoulder to chest, belly side area between safety strap (1) and upper trunk, on safety strap (1) body ties navigating mate tight before trunk, air bag (3) just directly contacts with torso portion on chaufeur, utilize the high efficiency buffer of air bag (3), the middle part of air bag (3) arranges the depressed part (4) of arc, and this depressed part (4) and described contact portion adapt;
Depressed part (4) is directly divided into the epicoele and cavity of resorption that are interconnected by the tight mouth of C (5), and the free air diffuser between the reduced epicoele of tight mouth (5) and cavity of resorption, make the gas in air bag (3) preferentially fill epicoele, make its dilation and maximum weighted part contact;
In above-mentioned steps, compression chamber is provided with in described safety strap (1), air bag (3) is folding to be placed in compression chamber, and be provided with crack (2) in the side that described safety strap (1) presses close to seat, the end of described air bag (3) is provided with admission port (6), the sidewall of the positive symmetry slot (2) in air bag (3) middle part is provided with the depressed part (4) of arc, and is provided with tight mouth (5) on the inwall at described depressed part (4) middle part.
2. the application process of a kind of automotive airbag type safety belt according to claim 1, is characterized in that: the nylon cone (7) that described tight mouth (5) is successively decreased along the direction that admission port (6) points to air bag (3) bottom for internal diameter.
3. the application process of a kind of automotive airbag type safety belt according to claim 1, is characterized in that: described air bag (3) is fixed on the inwall of compression chamber away from the sidewall of crack (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684527.5A CN105253097A (en) | 2015-10-22 | 2015-10-22 | Automobile air sac type safety belt application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684527.5A CN105253097A (en) | 2015-10-22 | 2015-10-22 | Automobile air sac type safety belt application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105253097A true CN105253097A (en) | 2016-01-20 |
Family
ID=55093148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510684527.5A Pending CN105253097A (en) | 2015-10-22 | 2015-10-22 | Automobile air sac type safety belt application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105253097A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092028A (en) * | 1993-11-03 | 1994-09-14 | 严亢燮 | The vehicle air safety belt of air bag is equipped with in inside |
| CN1939776A (en) * | 2005-04-04 | 2007-04-04 | 高田株式会社 | Air belt system |
| CN201354057Y (en) * | 2008-12-29 | 2009-12-02 | 上海现代摩比斯汽车零部件有限公司 | Multi-functional driver seat safety airbag cushion |
| JP2013103653A (en) * | 2011-11-15 | 2013-05-30 | Takata Corp | Air belt, and air belt device |
| CN103282242A (en) * | 2010-06-15 | 2013-09-04 | 约翰内斯·亚历山大·博格 | Inflatable woven tubular belt |
| CN103507743A (en) * | 2012-06-27 | 2014-01-15 | 深圳市比亚迪汽车有限公司 | Car safety belt |
-
2015
- 2015-10-22 CN CN201510684527.5A patent/CN105253097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092028A (en) * | 1993-11-03 | 1994-09-14 | 严亢燮 | The vehicle air safety belt of air bag is equipped with in inside |
| CN1939776A (en) * | 2005-04-04 | 2007-04-04 | 高田株式会社 | Air belt system |
| CN201354057Y (en) * | 2008-12-29 | 2009-12-02 | 上海现代摩比斯汽车零部件有限公司 | Multi-functional driver seat safety airbag cushion |
| CN103282242A (en) * | 2010-06-15 | 2013-09-04 | 约翰内斯·亚历山大·博格 | Inflatable woven tubular belt |
| JP2013103653A (en) * | 2011-11-15 | 2013-05-30 | Takata Corp | Air belt, and air belt device |
| CN103507743A (en) * | 2012-06-27 | 2014-01-15 | 深圳市比亚迪汽车有限公司 | Car safety belt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |