CN105253098A - Active safety belt structure - Google Patents
Active safety belt structure Download PDFInfo
- Publication number
- CN105253098A CN105253098A CN201510684573.5A CN201510684573A CN105253098A CN 105253098 A CN105253098 A CN 105253098A CN 201510684573 A CN201510684573 A CN 201510684573A CN 105253098 A CN105253098 A CN 105253098A
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- CN
- China
- Prior art keywords
- section
- air bag
- reducing
- safety belt
- agreeing
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses an active safety belt structure 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; the end part of the air sac is provided with an air inlet; the air sac is formed by a wedging section and a narrowing section communicated with the wedging section; an end surface of the wedging section facing one side of the slit is inwardly recessed arc-shaped; the external diameter of the narrowing section gradually decreases along a downward vertical direction of the air inlet; one end of the slit close to a movable part of the safety belt is stitched via a stitching line; 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; due to the structural characteristics of the belly side area, more soft tissues are provided and excellent buffering effect can be achieved; the wedging section is mounted on the upper end of the air sac and is adaptive to the contact parts; 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 active belt structure.
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 active belt structure, 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:
A kind of active belt structure, 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, and described air bag is made up of the section of agreeing be interconnected and the section of reducing, the end face of the positive symmetry slot side of the described section of agreeing with in the circular arc caved inward, described in the external diameter of the section of reducing successively decreasing along on admission port direction vertically downward; Sewed up by the lignilite of serpentine in described one end of cracking close safety strap movable part, described lignilite kept the stitching of symmetry slot end before the air pressure of the section of reducing reaches the force value of regulation, when the force value in the section of reducing reaches more than authorized pressure value, the stitching of symmetry slot end removed by lignilite.When driving a vehicle dynamically by when reducing rapidly at a high speed, air bag pours into gas by air pump fast by cracking, 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 between safety strap and upper trunk, belly side area is then by its structure reason, soft tissue is relatively many and himself to play the effect of buffer action power better, therefore the present invention arranges in air bag upper end the section of agreeing with, this section of agreeing with 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 section of agreeing with directly contacts with the part of the force at this place, and the volume of the section of agreeing with takies at the overall proportion of air bag larger, namely the section of agreeing with adapted with shoulder and chest region can reduce hard defects or the probability of occurrence of soft tissue injury in upper trunk to the full extent, and the external diameter of the section of reducing is successively decreasing along on admission port direction vertically downward, the amount of air that the section of reducing is taken when inflating is less, and meet the section of reducing and be full of rear air-flow at short notice and directly the section of agreeing with filled, and then the dilation shortening the section of agreeing with realizes the time with maximum weighted part contact, greatly reduce the injury rate in moderating process.And, as long as air bag is by the rapid expansion of middle ejection based on himself volume of cracking, and airbag body is folding is placed in compression chamber, because air bag ejects until cubic expansion is to consuming time shorter time maximum, the moment of therefore ejecting at air bag himself carries larger momentum, and the section of reducing its volume compared with the section of agreeing with is less, ejection speed is faster, be more prone to change its path of motion after ejection simultaneously, and in this device, the lignilite of serpentine is set at the place of cracking of the section of reducing correspondence, namely when the force value in the section of reducing reaches specified value, reduced section of lignilite backs down, and now the section of agreeing with mate between upper trunk contact complete, make the running orbit of the section of reducing can only fit to belly side area when ejecting, this region is protected not perplex by ankle injury, namely the lignilite of serpentine can carry out delay process to the ejection of the section of reducing, to ensure the safe and reliable coefficient of safety strap.
The described section of agreeing be provided with the transition phase be communicated with both respectively between the section of reducing, and the end face of the positive symmetry slot one end of described transition phase is in circular arc outwardly.The transition phase of circular arc is provided with between the section of agreeing with and the section of reducing, not only may the powerful impulsive force produced because of die-offing of airflow space between the section of agreeing with and the section of reducing be cushioned, can also reduce air bag from crack middle ejection time initial kinetic energy, prevent from occurring between trunk on safety strap is tied tight that air bag launches the situation hurting human body and occurs.
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 the section of agreeing with is provided with tight mouth, the section of agreeing with directly is 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;
Mark and corresponding parts title in accompanying drawing:
1-safety strap, 2-crack, 3-air bag, the 4-section of agreeing with, 5-transition phase, 6-admission port, the 7-section of reducing, 8-lignilite.
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. 2, 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, and described air bag 3 is made up of the section of agreeing be interconnected 4 and the section of reducing 7, the end face of positive symmetry slot 2 side of the described section of agreeing with 4 in the circular arc caved inward, described in the external diameter of the section of reducing 7 successively decreasing along on admission port 6 direction vertically downward; Sew up at described 2 lignilites 8 near one end of safety strap 1 movable part by serpentine that crack, described lignilite 8 kept the stitching of symmetry slot 2 end reach the force value of regulation at the air pressure of the section of reducing 7 before, when the force value in the section of reducing 7 reaches more than authorized pressure value, the stitching of symmetry slot 2 end removed by lignilite 8.
When driving a vehicle dynamically by when reducing rapidly at a high speed, air bag 36 pours into gas by air pump fast by cracking, 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 between safety strap 1 and upper trunk, belly side area is then by its structure reason, soft tissue is relatively many and himself to play the effect of buffer action power better, therefore the present invention arranges in air bag 3 upper end the section of agreeing with, this section of agreeing with 4 and described contact portion adapt, and prevent 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, the section of agreeing with 4 directly contacts with the part of the force at this place, and the volume of the section of agreeing with 4 takies at the overall proportion of air bag 3 larger, namely the section of agreeing with 4 adapted with shoulder and chest region can reduce hard defects or the probability of occurrence of soft tissue injury in upper trunk to the full extent, and the external diameter of the section of reducing 7 is successively decreasing along on admission port 6 direction vertically downward, the amount of air that the section of reducing 7 is taken when inflating is less, and meet the section of reducing 7 and be full of rear air-flow at short notice and directly the section of agreeing with 4 filled, and then the dilation shortening the section of agreeing with 4 realizes the time with maximum weighted part contact, greatly reduce the injury rate in moderating process.And, as long as air bag 3 to eject the rapid expansion based on himself volume in 2 by cracking, and air bag 3 folded bodies are placed in compression chamber, because air bag 3 ejects until cubic expansion is to consuming time shorter time maximum, the moment of therefore ejecting at air bag 3 himself carries larger momentum, and the section of reducing 7 its volume compared with the section of agreeing with 4 is less, ejection speed is faster, be more prone to change its path of motion after ejection simultaneously, and in this device, the lignilite 8 of serpentine is set at 2 places of cracking of the section of reducing 7 correspondence, namely when the force value in the section of reducing 7 reaches specified value, reduced section of lignilite 8 backs down, and now the section of agreeing with 4 with mate between upper trunk contact complete, make the running orbit of the section of reducing 7 can only fit to belly side area when ejecting, this region is protected not perplex by ankle injury, namely the lignilite 8 of serpentine can carry out delay process to the ejection of the section of reducing 7, to ensure the safe and reliable coefficient of safety strap 1.
The described section of agreeing with 4 be provided with the transition phase 5 be communicated with both respectively between the section of reducing 7, and the end face of positive symmetry slot 2 one end of described transition phase 5 is in circular arc outwardly.The transition phase 5 of circular arc is provided with between the section of agreeing with and the section of reducing, not only may the powerful impulsive force produced because of die-offing of airflow space between the section of agreeing with 4 and the section of reducing 7 be cushioned, air bag 3 can also be reduced from the initial kinetic energy of cracking when ejecting 2, prevent from safety strap 1 is tied tight, between trunk, occur that air bag 3 launches the situation hurting human body and occurs.
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 active belt structure, 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), described air bag (3) is made up of the section of agreeing be interconnected (4) and the section of reducing (7), the end face of positive symmetry slot (2) side of the described section of agreeing with (4) is in the circular arc caved inward, the external diameter of the described section of reducing (7) is successively decreasing along on admission port (6) direction vertically downward, sewed up by the lignilite (8) of serpentine near one end of safety strap (1) movable part in described crack (2), described lignilite (8) kept the stitching of symmetry slot (2) end before the air pressure of the section of reducing (7) reaches the force value of regulation, when the force value in the section of reducing (7) reaches more than authorized pressure value, the stitching of symmetry slot (2) end removed by lignilite (8).
2. a kind of active belt structure according to claim 1, it is characterized in that: between the described section of agreeing with (4) with the section of reducing (7), be provided with the transition phase (5) be communicated with both respectively, and the end face of positive symmetry slot (2) one end of described transition phase (5) is in circular arc outwardly.
3. a kind of active belt structure 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 |
|---|---|---|---|
| CN201510684573.5A CN105253098A (en) | 2015-10-22 | 2015-10-22 | Active safety belt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510684573.5A CN105253098A (en) | 2015-10-22 | 2015-10-22 | Active safety belt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105253098A true CN105253098A (en) | 2016-01-20 |
Family
ID=55093149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510684573.5A Pending CN105253098A (en) | 2015-10-22 | 2015-10-22 | Active safety belt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105253098A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2260363A (en) * | 1991-09-24 | 1993-04-14 | Takata Corp | Inflatable seat belt unit; buckle with gas passage |
| CN1092028A (en) * | 1993-11-03 | 1994-09-14 | 严亢燮 | The vehicle air safety belt of air bag is equipped with in inside |
| US20060290114A1 (en) * | 2005-06-28 | 2006-12-28 | Takata Corporation | Occupant restraint belt and occupant restraint system |
| CN102806888A (en) * | 2011-06-03 | 2012-12-05 | 现代自动车株式会社 | Air belt apparatus for vehicle |
| JP2013103653A (en) * | 2011-11-15 | 2013-05-30 | Takata Corp | Air belt, and air belt device |
| CN205059525U (en) * | 2015-10-22 | 2016-03-02 | 成都易默生汽车技术有限公司 | Active safety belt |
-
2015
- 2015-10-22 CN CN201510684573.5A patent/CN105253098A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2260363A (en) * | 1991-09-24 | 1993-04-14 | Takata Corp | Inflatable seat belt unit; buckle with gas passage |
| CN1092028A (en) * | 1993-11-03 | 1994-09-14 | 严亢燮 | The vehicle air safety belt of air bag is equipped with in inside |
| US20060290114A1 (en) * | 2005-06-28 | 2006-12-28 | Takata Corporation | Occupant restraint belt and occupant restraint system |
| CN102806888A (en) * | 2011-06-03 | 2012-12-05 | 现代自动车株式会社 | Air belt apparatus for vehicle |
| JP2013103653A (en) * | 2011-11-15 | 2013-05-30 | Takata Corp | Air belt, and air belt device |
| CN205059525U (en) * | 2015-10-22 | 2016-03-02 | 成都易默生汽车技术有限公司 | Active 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 |