CN105253096A - Air sac type pre-protection safety belt - Google Patents
Air sac type pre-protection safety belt Download PDFInfo
- Publication number
- CN105253096A CN105253096A CN201510684478.5A CN201510684478A CN105253096A CN 105253096 A CN105253096 A CN 105253096A CN 201510684478 A CN201510684478 A CN 201510684478A CN 105253096 A CN105253096 A CN 105253096A
- Authority
- CN
- China
- Prior art keywords
- air bag
- air sac
- safety belt
- air
- safety strap
- 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
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses an air sac type pre-protection safety belt comprising a safety belt. A compression cavity is disposed in the safety belt; an air sac is foldably arranged in the compression cavity; a slit is formed in one side of the safety belt close to a chair; the end part of the air sac is provided with an air inlet; an arc-shaped recessed part is arranged on the side wall facing to the slit of the middle of the air sac; and the inner wall of the middle of the recessed part is provided with a tightening port. During quick changes of driving vehicle states, the safety belt and an air pump connected with a vehicle driving safety system start to work and directly inflate the air sac; the main contact parts between the safety belt main body and the upper trunk are areas from the shoulders to the chest part and to the belly side; and the arc-shaped recessed part in the middle of the air sac is adaptive to the contact parts, so 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 that air sac protects safety strap in advance.
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 air sac to protect safety strap in advance, 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:
Air sac protects safety strap in advance; comprise safety strap; 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.When driving a vehicle dynamically by when reducing rapidly at a high speed, air bag pours into gas by air pump fast by admission port, air bag then realizes rapid expanding, the volume expansion part of air bag starts to eject by cracking, on safety strap body ties navigating mate tight before trunk, air bag just directly contacts with torso portion on chaufeur, utilizes the high efficiency buffer of air bag, to reduce the tie effect of safety strap 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, and topmost contact portion is shoulder to chest, belly side area between safety strap and upper trunk, and the middle part of air bag arranges the depressed part of arc in the present invention, this depressed part and described contact portion adapt, and prevent from directly causing this contact portion in the middle part of the air bag 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, 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 safety strap 1, 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. air sac protects safety strap in advance; comprise safety strap (1); it is characterized in that: in described safety strap (1), be provided with compression chamber; 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. air sac according to claim 1 protects safety strap in advance, it 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. air sac according to claim 1 protects safety strap in advance, it 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 |
|---|---|---|---|
| CN201510684478.5A CN105253096A (en) | 2015-10-22 | 2015-10-22 | Air sac type pre-protection safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684478.5A CN105253096A (en) | 2015-10-22 | 2015-10-22 | Air sac type pre-protection safety belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105253096A true CN105253096A (en) | 2016-01-20 |
Family
ID=55093147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510684478.5A Pending CN105253096A (en) | 2015-10-22 | 2015-10-22 | Air sac type pre-protection safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105253096A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0664493A (en) * | 1992-08-18 | 1994-03-08 | Takata Kk | Inflatable seat belt device |
| JPH10226295A (en) * | 1997-02-13 | 1998-08-25 | Honda Motor Co Ltd | Gas pressure expansion type seat belt |
| JPH11342827A (en) * | 1998-06-04 | 1999-12-14 | Honda Motor Co Ltd | Air belt device |
| US6010151A (en) * | 1996-11-01 | 2000-01-04 | Honda Giken Kogyo Kabushiki Kaisha | Inflatable seat belt control system |
| CN1733535A (en) * | 2004-08-09 | 2006-02-15 | 日产自动车株式会社 | Vehicle occupant restraint system and method |
| CN102333682A (en) * | 2009-04-17 | 2012-01-25 | 丰田自动车株式会社 | Occupant protection apparatus and control method therefor |
| CN205059522U (en) * | 2015-10-22 | 2016-03-02 | 成都易默生汽车技术有限公司 | Safety belt is initiatively protected to gasbag formula for car |
-
2015
- 2015-10-22 CN CN201510684478.5A patent/CN105253096A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0664493A (en) * | 1992-08-18 | 1994-03-08 | Takata Kk | Inflatable seat belt device |
| US6010151A (en) * | 1996-11-01 | 2000-01-04 | Honda Giken Kogyo Kabushiki Kaisha | Inflatable seat belt control system |
| JPH10226295A (en) * | 1997-02-13 | 1998-08-25 | Honda Motor Co Ltd | Gas pressure expansion type seat belt |
| JPH11342827A (en) * | 1998-06-04 | 1999-12-14 | Honda Motor Co Ltd | Air belt device |
| CN1733535A (en) * | 2004-08-09 | 2006-02-15 | 日产自动车株式会社 | Vehicle occupant restraint system and method |
| CN102333682A (en) * | 2009-04-17 | 2012-01-25 | 丰田自动车株式会社 | Occupant protection apparatus and control method therefor |
| CN205059522U (en) * | 2015-10-22 | 2016-03-02 | 成都易默生汽车技术有限公司 | Safety belt is initiatively protected to gasbag formula for car |
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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 |
Application publication date: 20160120 |
|
| RJ01 | Rejection of invention patent application after publication |