CN105253089A - Driver safety pre-protection device - Google Patents
Driver safety pre-protection device Download PDFInfo
- Publication number
- CN105253089A CN105253089A CN201510683986.1A CN201510683986A CN105253089A CN 105253089 A CN105253089 A CN 105253089A CN 201510683986 A CN201510683986 A CN 201510683986A CN 105253089 A CN105253089 A CN 105253089A
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- CN
- China
- Prior art keywords
- air bag
- safety
- compression chamber
- inwall
- depressed part
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- 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.)
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Classifications
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- 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
- B60R21/18—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags the inflatable member formed as a belt or harness or combined with a belt or harness arrangement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a driver safety pre-protection device comprising a safety belt. A compression cavity is disposed in the safety belt; an air sac is placed 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 the pre-protective device of a kind of driver safety.
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 the pre-protective device of a kind of driver safety, 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:
The pre-protective device of a kind of driver safety, 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, inwall is chosen two different some positions in the middle part of described depressed part, with described some position for starting point forms multiple independently fold by carrying out plicating suture to air bag inwall, multiple fold distributes ringwise and the gas channel formed forms described tight mouth, and the internal diameter of described tight mouth is less than the minimum diameter on depressed part top, also comprise elastomeric cinch cord and be communicated with described compression chamber tighten up cavity, described cinch cord to be placed in air bag and to be connected with the side wall segment of the positive symmetry slot of air bag, and cinch cord upper end upwards extends until tighten up cavity described in running through.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.After dangerous driving conditions is eliminated, then automobile active safety system control air bag starts venting, but driving is normal, the air bag exposed can cause certain puzzlement to navigating mate, the cinch cord that now direct pull exposes, then air bag starts to be retracted compression chamber gradually, compared with the air bag before not using, the corresponding increase of air bag volume after now using, and air bag cannot reclaim by compression chamber completely, and in this device, be also provided with the cavity that tightens up be communicated with compression chamber, namely air bag can be collected into and tighten up in cavity by cinch cord; And the inwall connection segment of elastomeric cinch cord and air bag, namely multiple point of connection is arranged at intervals with between air bag inwall and cinch cord, when air bag expands, cinch cord between two adjacent point of connection is stretched, air bag cinch cord after venting then recovers deformation, namely reduce taking up room of air bag accordingly, the air bag that now volume reduces can be collected into compression chamber fast or tighten up in cavity, avoids the driving of exposed air bag to navigating mate to cause puzzlement.
Wherein, flow diameter between the epicoele of depressed part and cavity of resorption directly changes by arranging of tight mouth, namely the top of air bag can be met by Fast Filling, and when air bag top cubic expansion to a certain extent time, lignilite on multiple folds adjacent under the squeezing action of air pressure ruptures in succession, and internal diameter size in the middle part of depressed part is recovered again, and the air-flow of injection is then quick under-filled by air bag, now whole air bag is applied on trunk completely, to prevent the Local Damaged of upper trunk.
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;
2, 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;
Fig. 4 is the section-drawing 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-fold, 8-cinch cord, 9-tighten up cavity.
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. 4, 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, inwall is chosen two different some positions in the middle part of described depressed part 4, with described some position for starting point forms multiple independently fold 7 by carrying out plicating suture to air bag 3 inwall, multiple fold 7 distributes ringwise and the gas channel formed forms described tight mouth 5, and the internal diameter of described tight mouth 5 is less than the minimum diameter on depressed part 4 top, also comprise elastomeric cinch cord 8 and be communicated with described compression chamber tighten up cavity 9, described cinch cord 8 to be placed in air bag 3 and to be connected with the side wall segment of the positive symmetry slot 2 of air bag 3, and cinch cord 8 upper end upwards extends until tighten up cavity 9 described in running through.
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.After dangerous driving conditions is eliminated, then automobile active safety system control air bag 3 starts venting, but driving is normal, the air bag 3 exposed can cause certain puzzlement to navigating mate, the cinch cord 8 that now direct pull exposes, then air bag 3 starts to be retracted compression chamber gradually, compared with the air bag 3 before not using, the corresponding increase of air bag 3 volume after now using, and air bag 3 cannot reclaim by compression chamber completely, and be also provided with in this device be communicated with compression chamber tighten up cavity 9, namely air bag 3 can be collected into and tighten up in cavity 9 by cinch cord 8; And the inwall connection segment of elastomeric cinch cord 8 and air bag 3, namely multiple point of connection is arranged at intervals with between air bag 3 inwall and cinch cord 9, when air bag 3 expands, cinch cord 9 between two adjacent point of connection is stretched, air bag 3 cinch cord 9 after venting then recovers deformation, namely reduce taking up room of air bag 3 accordingly, the air bag 3 that now volume reduces can be collected into compression chamber fast or tighten up in cavity 9, avoids the driving of exposed air bag 3 pairs of navigating mates to cause puzzlement.
Wherein, flow diameter between the epicoele of depressed part 4 and cavity of resorption directly changes by arranging of tight mouth 5, namely the top of air bag 3 can be met by Fast Filling, and when air bag 3 top cubic expansion to a certain extent time, lignilite on multiple folds 7 adjacent under the squeezing action of air pressure ruptures in succession, and internal diameter size in the middle part of depressed part 4 is recovered again, and the air-flow of injection is then quick by under-filled for air bag 3, now whole air bag 3 is applied on trunk completely, to prevent the Local Damaged of upper trunk.
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 (2)
1. the pre-protective device of driver safety, 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 tight mouth (5) is provided with on the inwall at described depressed part (4) middle part, described depressed part (4) middle part inwall chooses two different some positions, with described some position for starting point forms multiple independently fold (7) by carrying out plicating suture to air bag (3) inwall, multiple fold (7) distributes ringwise and the gas channel formed forms described tight mouth (5), and the internal diameter of described tight mouth (5) is less than the minimum diameter on depressed part (4) top, also comprise elastomeric cinch cord (8) and be communicated with described compression chamber tighten up cavity (9), described cinch cord (8) to be placed in air bag (3) and to be connected with the side wall segment of the positive symmetry slot (2) of air bag (3), and cinch cord (8) upper end upwards extends until tighten up cavity (9) described in running through.
2. a kind of safety strap being applied to automobile active safety system 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 |
|---|---|---|---|
| CN201510683986.1A CN105253089A (en) | 2015-10-22 | 2015-10-22 | Driver safety pre-protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510683986.1A CN105253089A (en) | 2015-10-22 | 2015-10-22 | Driver safety pre-protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105253089A true CN105253089A (en) | 2016-01-20 |
Family
ID=55093140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510683986.1A Pending CN105253089A (en) | 2015-10-22 | 2015-10-22 | Driver safety pre-protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105253089A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0652140A1 (en) * | 1993-11-03 | 1995-05-10 | Hang Sup Ohm | Automobile safety air belt with air bag |
| CN2209106Y (en) * | 1994-11-08 | 1995-10-04 | 王精田 | Inflated life-saving waistband |
| CN201051926Y (en) * | 2007-06-26 | 2008-04-30 | 关新宇 | Foldable two-sided tool bag |
| CN201260457Y (en) * | 2008-03-12 | 2009-06-24 | 高峰 | Multifunctional storage bag with detachable bottom |
| US20140239622A1 (en) * | 2011-11-15 | 2014-08-28 | Takata Corporation | Air belt and air belt apparatus |
| WO2015098369A1 (en) * | 2013-12-27 | 2015-07-02 | タカタ株式会社 | Air belt and air belt device |
| JP2015157540A (en) * | 2014-02-24 | 2015-09-03 | 株式会社東海理化電機製作所 | Seat belt device and method of manufacturing the same |
-
2015
- 2015-10-22 CN CN201510683986.1A patent/CN105253089A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0652140A1 (en) * | 1993-11-03 | 1995-05-10 | Hang Sup Ohm | Automobile safety air belt with air bag |
| CN2209106Y (en) * | 1994-11-08 | 1995-10-04 | 王精田 | Inflated life-saving waistband |
| CN201051926Y (en) * | 2007-06-26 | 2008-04-30 | 关新宇 | Foldable two-sided tool bag |
| CN201260457Y (en) * | 2008-03-12 | 2009-06-24 | 高峰 | Multifunctional storage bag with detachable bottom |
| US20140239622A1 (en) * | 2011-11-15 | 2014-08-28 | Takata Corporation | Air belt and air belt apparatus |
| WO2015098369A1 (en) * | 2013-12-27 | 2015-07-02 | タカタ株式会社 | Air belt and air belt device |
| JP2015157540A (en) * | 2014-02-24 | 2015-09-03 | 株式会社東海理化電機製作所 | Seat belt device and method of manufacturing the same |
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| 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 |