CN203637747U - External air bag with protective devices for coach - Google Patents
External air bag with protective devices for coach Download PDFInfo
- Publication number
- CN203637747U CN203637747U CN201420018692.8U CN201420018692U CN203637747U CN 203637747 U CN203637747 U CN 203637747U CN 201420018692 U CN201420018692 U CN 201420018692U CN 203637747 U CN203637747 U CN 203637747U
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- Prior art keywords
- air bag
- external air
- fender guard
- passenger vehicle
- fan
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Abstract
The utility model discloses an external air bag with protective devices for a coach. The protective devices comprise inner limiting sheets and skins, the right ends of the inner limiting sheets are hinged to the right ends of the skins, a plurality of foldable fan-shaped metal sheets are arranged among the inner limiting sheets and the skins, and hinges are arranged among the fan-shaped metal sheets. The external air bag has the advantages that the external air bag can be effectively protected from being damaged, and accordingly a rollover protection effect can be realized.
Description
Technical field
The utility model relates to a kind of passenger vehicle passive security technical field, more specifically, relates to the external air bag of a kind of passenger vehicle with fender guard.
Background technology
Energy-conservation, safety, environmental protection at present becomes the large theme of current auto trade three.For realizing energy-conserving and environment-protective, public transport has been subject to broad masses' favor, and passenger vehicle is being played the part of more and more important role.But in recent years, the continuous generation of passenger vehicle traffic accident, had caused the great attention of relevant departments.The statistics of Passenger Cars in China and Abroad traffic accident shows, passenger vehicle rollover accident proportion is very large, and due to passenger vehicle, occupant is numerous, easily causes the dead group's wound of group, and personal casualty and property damage are very serious.Therefore, improve the anti-rollover performance of passenger vehicle, ensure that the life security of occupant in rollover accident has become a very important problem.
Make a general survey of the method for domestic and international raising passenger vehicle rollover safety; generally concentrate on the design improvement to the intensity of body frame structure own, rigidity; between cross section wall thickness, material behavior and each rod member of the section form by the arrangement form to body framing rod member, rod member, rod member, connect the design improvement of technique etc.; climb in journey thereby reach at passenger car side, skeleton structure is reasonably out of shape energy-absorbing and is realized the protection to occupant.Although increase body structure intensity, rigidity can be improved its rollover safety, the remarkable increase that simultaneously can bring body structure weight, is unfavorable for body lightening.But owing to being subject to the restriction of passenger vehicle self structure form, cannot actv. fixed type energy-absorbing buffering structure or device be set at collision area again.
At present, be still in the conceptual phase for improving the turn on one's side scheme of the external air bag of passenger vehicle that proposes of passenger vehicle.As German patent DE 19744817 A1 have proposed a kind of concept of automobile external air bag.Chinese utility model patent 201110360482.8, has proposed a kind of many airbag group-by-group unfolding type side turnover protecting device with external airbags for passenger cars.But surrounding environment when rollover occurs passenger vehicle is very complicated, unpredictable, and existing external air bag is easy to be damaged and loses its side-tipping protective function.Such as, when rollover occurs there is friction and easily rubbed in external airbag deployment and ground, and after external airbag deployment, its fabric is easily punctured by extraneous sharp object, or may be wiped off etc. by some obstacles such as branches after external airbag deployment.
Current lateral window of passenger car upper space is less, and in the time that external air bag is arranged on bus roof outer both sides, air bag is not easy location, can not remain on ideal position, easily between ground and car body, is extruded, thereby causes losing efficacy.
Utility model content
Existingly improve the technological means of passenger vehicle rollover safety and have defect for above-mentioned, the utility model on the basis of existing technology, utilizes the covering design of passenger vehicle self to propose a kind of passenger vehicle external air bag with fender guard.
The external air bag of a kind of passenger vehicle with fender guard, described fender guard comprises inner spacing thin plate and covering, it is characterized in that: inner spacing thin plate right-hand member and covering right-hand member are hinged, multiple folding fan-shaped sheet metals are set between inner spacing thin plate upper end and covering upper end; Between inner spacing thin plate lower end and covering lower end, multiple folding fan-shaped sheet metals are set; Between described fan-shaped sheet metal, there is hinge hinge.
As further preferred, the spacing thin plate in described inside is fixed on body framwork.
In the cavity that inner spacing thin plate, covering and described fan-shaped sheet metal surround, external air bag is set.
As further preferred, described external air bag comprises constant voltage air releasing device.
As further preferred, described fender guard is multiple, is set to two row, and a line is arranged on lateral window of passenger car upper end; Another row is arranged on lateral window of passenger car lower end.
As further preferably, also comprise obliquity sensor, for detection of body inclination angle.
As further preferred, the left end of inner spacing thin plate and covering has the hiding otch of opening.
As further preferably, described fender guard has folding and opens two states; Under folded state, folding the abutting against together of described fan-shaped sheet metal, the left end of inner spacing thin plate and covering is in merging phase; Under open mode, the left end of inner spacing thin plate and covering separates, the expansion of described fan-shaped sheet metal.
As further preferred, described hinge hinge comprises chain connection axle.
As further preferred, the hinge hinge of described fan-shaped sheet metal is to have staggered lug boss and depressed part, and adjacent fan-shaped sheet metal lug boss and depressed part coordinate.
Beneficial effect:
External air bag passenger vehicle rollover safety device with fender guard can effectively protect external air bag not to be destroyed in the time that rollover occurs, thereby plays side-tipping protective effect; Safety device reasonably utilizes coach body envelope, not only cost-saving but also do not affect Coach's appearance; Safety device is simple in structure, and cost is low, easy for installation, and practicality is good; The coach body structure rollover safety of being furnished with this device is good, can provide very large design space for the anti-side rollover resistant capability of vehicle body, is used for arranging the auxiliary protection of some rollovers energy absorption device etc. as enough large space is arranged at top; On the other hand for bus body lightweight provides very large design space.
Accompanying drawing explanation
Fig. 1 is with the external air bag schematic diagram of passenger vehicle and the partial enlarged drawing of fender guard.
Fig. 2 is with the external air bag schematic diagram of passenger vehicle of fender guard.
The external air bag protecting device schematic diagram of Fig. 3 passenger vehicle.
Birds-eye view when the external air bag protecting device of Fig. 4 passenger vehicle launches completely.
Front elevation when the external air bag protecting device of Fig. 5 passenger vehicle launches completely.
Front elevation when the external air bag protecting device of Fig. 6 passenger vehicle launches completely.
The fan-shaped external airbag deployment schematic diagram of Fig. 7.
Fig. 8 bus body external structure schematic diagram.
The bus body external structure schematic diagram of Fig. 9 during with the external airbag deployment of fender guard.
Wherein: 1, obliquity sensor 2, controller 3, air-cushion inflator 4, safety air bag ribbon 5, foldable fan-shaped thin plate group 6, inner spacing thin plate 7, covering 8, gusset entablatrance 9, side window entablatrance 10, side window cross sill 11, waist rail 12, safety air bag ribbon 13, safety air bag constant voltage air releasing device 14, hinge hinge 15, fan-shaped sheet metal 16, fan-shaped sheet metal I 17, fan-shaped sheet metal II 18, hinge hinge adapter shaft 19, the region 20 of safety air bag and air bag for protection device is installed on top, the region H of safety air bag and air bag for protection device is installed at middle part, top air bag group L, bottom air bag group.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In the time there is rollover in passenger vehicle, utilize passenger vehicle from rollover critical spot to vehicle body and collision on the ground during this period of time by the external airbag apparatus that initiatively detonates, form a kind of two-stage buffering energy-absorbing structure of air bag-body framwork, absorb passenger car side and climb over the energy producing in journey.When rollover occurs passenger vehicle, first external air bag contacts with ground, and external air bag constant voltage is lost heart and absorbed in advance a part of collision energy, and then by Bus Frame plastic deformation absorption of residual complementary energy.
As shown in Figure 1, the external air bag of a kind of passenger vehicle with fender guard comprise with the upper external air bag group H of fender guard, with the lower external air bag group L of fender guard, be arranged on Parking Brake place contact switch, be arranged on obliquity sensor 1 and the controller 2 etc. of body gravity position.
Ignition fuse with the external air bag group of fender guard is connected with the signal output port of controller 2; Described obliquity sensor 1, Parking Brake place contact switch are connected with the signal input port of controller 2 respectively, obliquity sensor 1 gathers body inclination angle signal input control device 2, in the time that angle of inclination meets the preset value of controller 2, preferred as one, preset value is between 30 to 40 degree; Controller 2 is ignited with the air bag in the external air bag group of fender guard, makes airbag deployment, and the bursting force of air bag makes air bag protecting device expansion envelope in the outside of air bag simultaneously, and all processes completed before air bag kiss the earth.In the time that air bag starts kiss the earth, according to body framing deformation characteristic in rollover process, air bag contacts with ground and keeps constant voltage to lose heart, and the absorption that completes most energy in rollover process transforms.Finally, after air bag loses heart, body framing contacts with ground, absorbs passenger vehicle rollover residual amount of energy by body framing self plastic deformation.In whole rollover process, by controlling air bag activation time, charge air, inside air bag pressure and disappointing speed etc., guarantee that passenger's living space is not invaded.
The described external air bag with fender guard is made up of external air bag protecting device and external air bag two parts correspondingly, as shown in Figure 2.
As shown in Fig. 1,8,9, passenger vehicle has multiple external air bags, and external air bag is arranged to multirow, preferred as one, is arranged to two row, a line external air bag be arranged on side window above, a line external air bag is arranged on below side window.
As shown in Figure 2,3, this external air bag protecting device comprises covering 7, top foldable fan-shaped thin plate group (triangle being surrounded by D, A1, A), bottom foldable fan-shaped thin plate group (triangle being surrounded by C, B1, B) and inner spacing thin plate 6 etc.Wherein, as shown in Figure 4, top foldable fan-shaped thin plate group and bottom foldable fan-shaped thin plate group are all to be connected to form by multiple hinge hinges 14 by some fan-shaped sheet metals 15.The border that covering upper end A D, lower end BC and rear end AB are deployable rotation, the left end A1B1 of covering rear end AB and inner spacing thin plate 6 adopts hidden type safety air bag to open otch.Covering 7 connection top, upper end foldable fan-shaped thin plate groups, covering 7 connection bottom, lower end foldable fan-shaped thin plate groups, the right-hand member of the hinged covering 7 of right-hand member of inner spacing thin plate 6, the top and bottom of inner spacing thin plate 6 connect respectively the other end of top foldable fan-shaped thin plate group and the other end of bottom foldable fan-shaped thin plate group.Under deployed condition, in external air bag protecting device, form inner chamber, for the external air bag under holding and expanding state.In the situation that external air bag does not launch, described fan-shaped sheet metal 15 is in folded state, and the left end of inner spacing thin plate 6 left ends and covering 7 is merged into a line, external air bag protecting device be shaped as rectangular flat.
Hidden type safety air bag is opened otch and not only provides the shape stereomutation of fender guard, and for the expansion of external air bag provides the outlet of volume expanded, external air bag, after cubic expansion, can stretch out the concealed otch of opening of fender guard.
In the time that passenger vehicle normally travels, fender guard is in closure state; In the time that rollover occurs; external airbag deployment; the impulsive force that external airbag deployment produces makes fender guard open otch along hidden type safety air bag to open; while covering 7, top foldable fan-shaped thin plate group, bottom foldable fan-shaped thin plate group are coated on the outside of external air bag and protect well air bag; inner spacing thin plate 6 has certain structural strength, can prevent that air bag is squeezed in car.Preferred as one, inner spacing thin plate 6, by welding, is connected on passenger vehicle framing member, and covering 7 and body exterior covering flush.
Described hinge hinge schematic diagram is as shown in the partial enlarged drawing in Fig. 6, and fan-shaped sheet metal I 16 and staggered the rolling by hinge hinge adapter shaft 18 of fan-shaped sheet metal II 17 form hinge hinge.As shown in Figure 4, hinge hinge between fan-shaped sheet metal I 16 and fan-shaped sheet metal II 17 has interlaced salient and depressed part, adapter shaft 18 penetrates salient and depressed part, makes fan-shaped sheet metal I 16 and fan-shaped sheet metal II 17 launch freely and to fold.Fan-shaped sheet metal I 16 and fan-shaped sheet metal II 17 are all fan-shaped, take top, fan-shaped sheet metal 15 is example, comprise the fan-shaped sheet metal I 16 of multi-disc and fan-shaped sheet metal II 17, fan-shaped sheet metal I 16 and fan-shaped sheet metal II 17 are all same structure and shapes, hinged by adapter shaft 18 between the fan-shaped sheet metal I 16 of multi-disc and fan-shaped sheet metal II 17.Medial surface upper and lower side at covering 7 and inner spacing thin plate 6 arranges respectively lug boss, and the outermost two fan-shaped sheet metals of the fan-shaped sheet metal 15 in top, are hinged on covering 7 and inner spacing thin plate 6 by adapter shaft 18 respectively.Preferred as one, the fan-shaped sheet metal in upper and lower is all excessive with fillet, does not have sharp-pointed geometric configuration, can not damage external air bag, and external force can be passed to external air bag reliably.
External air bag protecting device, under folded state, presents rectangle, and inner spacing thin plate 6 is fixed on the recess of bodywork surface, and covering 7 and bodywork surface flush; External air bag protecting device is under deployed condition; present fan-shaped; fan-shaped sheet metal can launch freely; in the time that external air bag protecting device touches object; under the effect of external force; fan-shaped sheet metal can fold freely, and external force is passed to external air bag, makes external air bag performance buffer action.
External air bag is corresponding with external air bag protecting device, is to be fan-shaped after external airbag deployment.As shown in Figure 7, external air bag is made up of gas cell fabric 12 and safety air bag constant voltage air releasing device 13.Preferred as one, constant voltage air releasing device 13 can be multiple.The face of the gas cell fabric 12 at constant voltage air releasing device 13 places stretches out to hide opens otch.
Preferred as one, the external air bag with fender guard that is applied to passenger vehicle can be arranged on any rational position of passenger vehicle according to actual needs.
In the time that rollover occurs passenger vehicle, can bring into play reliably side-tipping protective effect; utilize passenger vehicle from rollover critical spot to vehicle body and collision on the ground during this period of time by the external airbag apparatus that initiatively detonates; form a kind of two-stage buffering energy-absorbing structure of air bag-body framwork; climb over as far as possible passenger car sides that absorb the energy producing in journey more, realize the more effective protection of occupant in main cabin.While there is rollover in passenger vehicle, first external air bag contacts with ground, lose heart and absorb in advance a part of collision energy by external air bag constant voltage, and then by Bus Frame plastic deformation absorption of residual complementary energy, take away because passenger car side climbs over the gas that quite a few energy in journey discharged by protective air-bag, largely reduced the requirement to the anti-collision ability of body construction.Both played the effect of actv. side-tipping protective, simultaneously also for car load light-weight design provides greater room.
Should be simple with the external airbag structure of fender guard, utilize coach body envelope, not only cost-saving but also do not affect Coach's appearance, cost is low, easy for installation, and practicality is good.The body structure of novel passenger car of being furnished with this device not only performs to maximum from the side-tipping protective interaction energy that guarantees in essence external air bag, can also provide design space for improving rollover safety, as designed the auxiliary protection of some rollovers energy absorption device at side window upper space.
The above-mentioned description to embodiment is can understand and apply the utility model for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art are according to announcement of the present utility model, and not departing from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.
Claims (10)
1. the external air bag of the passenger vehicle with fender guard, described fender guard comprises inner spacing thin plate and covering, it is characterized in that: inner spacing thin plate right-hand member and covering right-hand member are hinged, multiple folding fan-shaped sheet metals are set between inner spacing thin plate upper end and covering upper end; Between inner spacing thin plate lower end and covering lower end, multiple folding fan-shaped sheet metals are set; Between described fan-shaped sheet metal, there is hinge hinge.
2. the external air bag of the passenger vehicle with fender guard according to claim 1, is characterized in that: the spacing thin plate in described inside is fixed on body framwork.
3. the external air bag of the passenger vehicle with fender guard according to claim 1, is characterized in that: in the cavity that inner spacing thin plate, covering and described fan-shaped sheet metal surround, external air bag is set.
4. the external air bag of the passenger vehicle with fender guard according to claim 3, is characterized in that: described external air bag comprises constant voltage air releasing device.
5. the external air bag of the passenger vehicle with fender guard according to claim 3, is characterized in that: described fender guard is multiple, is set to two row, and a line is arranged on lateral window of passenger car upper end; Another row is arranged on lateral window of passenger car lower end.
6. the external air bag of the passenger vehicle with fender guard according to claim 3, is characterized in that: also comprise obliquity sensor, for detection of body inclination angle.
7. the external air bag of the passenger vehicle with fender guard according to claim 1, is characterized in that: the left end of inner spacing thin plate and covering has the hiding otch of opening.
8. according to the external air bag of the passenger vehicle with fender guard one of claim 1-7 Suo Shu, it is characterized in that: described fender guard has folding and opens two states; Under folded state, folding the abutting against together of described fan-shaped sheet metal; Under open mode, separately, fender guard presents fan-shaped the left end of inner spacing thin plate and covering.
9. the external air bag of the passenger vehicle with fender guard according to claim 1, is characterized in that: described hinge hinge comprises chain connection axle.
10. the external air bag of the passenger vehicle with fender guard according to claim 9, is characterized in that: the hinge hinge of described fan-shaped sheet metal is to have staggered lug boss and depressed part, and adjacent fan-shaped sheet metal lug boss and depressed part coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018692.8U CN203637747U (en) | 2014-01-13 | 2014-01-13 | External air bag with protective devices for coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018692.8U CN203637747U (en) | 2014-01-13 | 2014-01-13 | External air bag with protective devices for coach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637747U true CN203637747U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018692.8U Expired - Fee Related CN203637747U (en) | 2014-01-13 | 2014-01-13 | External air bag with protective devices for coach |
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| Country | Link |
|---|---|
| CN (1) | CN203637747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738281A (en) * | 2014-01-13 | 2014-04-23 | 吉林大学 | Bus externally-arranged airbag with protecting device |
-
2014
- 2014-01-13 CN CN201420018692.8U patent/CN203637747U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738281A (en) * | 2014-01-13 | 2014-04-23 | 吉林大学 | Bus externally-arranged airbag with protecting device |
| CN103738281B (en) * | 2014-01-13 | 2015-09-16 | 吉林大学 | The external air bag of a kind of passenger vehicle with fender guard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20160113 |