The application is the original application (applying date: on October 8th, 2006; Application number: 200610140742.X; Denomination of invention: dividing an application automobile side airbag guide plate).
Background technology
Safe automobile air bag is the same with safety strap, is a kind of device that escapes injury in order to protection driver or passenger when automobile is impacted.
Safety air bag can be installed in the interior both sides that reach automobile of the glove box that bearing circle is interior, passenger-seat is preceding before the driver's seat, and promptly car door is between neighbour's top board and ceiling.Safe automobile air bag is the same with safety strap, utilizes a bump detecting sensor and electronic control package running with protection passenger when automobile is impacted.
When bump took place, the bump detecting sensor was sent to electronic control package and is surveyed the number of delivering a letter, and electronic control package starts safety air bag, and gas generator makes airbag inflated.
Gas generator is connected with the safety air bag that itself is in folded state, and by the electronic control package control operation.The heating of one internal heater is also lighted gunpowder, and the gas generant that burns immediately makes a large amount of nitrogen (hereinafter referred to as " gas ") inject safety air bag, and safety air bag promptly expands.
Therefore, safety air bag is inflation when bump takes place, with protection driver and passenger's head and upper body.
The injury that side airbag is used to prevent laterally to clash into when taking place and the bump of arrangements for automotive doors causes utilizes Fig. 1 and 2 to make description below.
As shown in Figure 1, a side airbag 10 (hereinafter referred to as one " air bag device ") is arranged to and can be launched to a center pillar, promptly is installed in the B-post between a top board (not shown) and the ceiling 4.
Described air bag device 10 comprises a gas generator 20 that is installed in the inside and is controlled by an electronic control package (not shown), injects a large amount of gases in a safety air bag pipe 16 according to impact strength.
As shown in Figure 2, a plurality of inner panels 6 and strengthening frame 8 have been installed between described top board (not shown) and the described ceiling 4.Described ceiling 4 comprises a Door Trim and a center pillar 2 of adjacent setting.
Promptly be, described ceiling 4 has a threshold 4a who is affixed to described inner panel 6, and described threshold 4a is installed in a upper end of described center pillar 2 every the neighbour.
As described above, described air bag device 10 be installed in described ceiling 4 and described center pillar 2 every the neighbour.
Described air bag device 10 is installed in one side of a casing 12, promptly a fastening part 12a and described inner panel 6 are fastened with bolt, the one safety air bag pipe 16 that is in folded state is located in the described casing 12, and a chamber door 12b is installed in one side of described casing 12, and can be opened by described safety air bag pipe 16.
Particularly, when described safety air bag pipe 16 launches, can be separated with described casing 12 by the upper end of the described chamber door 12b of described safety air bag pipe 16 unlatchings, and turn to described center pillar 2 one on end in contact, to block the space between described center pillar 2 and the described inner panel 6, launch with the described safety air bag pipe 16 of stable guiding.
Moreover, owing to comprise a built-in safety strap (not shown) with the described center pillar 2 of described ceiling 4 bonded assemblys, make described center pillar 2 bend towards in the automobile, when described safety air bag pipe 16 launches, enter the space between described center pillar 2 and the described inner panel 6 so can prevent described safety air bag pipe 16.
In addition, one guide plate 14 is installed in a lower surface of described casing 12, promptly with the surface of described center pillar 2 every the neighbour, so that the described inner panel 6 of described safety air bag pipe 16 contacts that will launch, and control the rotation of the described lower surface of described casing 12, make the described center pillar 2 of the firm contact of described chamber door 12b.
Promptly be, described safety air bag pipe 16 launches, the lower surface that makes described casing 12 the upper end of described chamber door 12b be pushed to down when described casing 12 separates.At this moment, described casing 12 contacts described inner panel 6 with described guide plate 14, rotation with the lower surface of controlling described casing 12, and the upper end of the firm described center pillar 2 of contact of described chamber door 12b, blocking the space between described center pillar 2 and the described inner panel 6, and prevent that described safety air bag pipe 16 from entering described space.
Therefore; shown in the dotted line of Fig. 2; use the described chamber door 12b of described guide plate 14 and described casing 12; to block the space between described center pillar 2 and the described inner panel 6; described safety air bag pipe 16 stable being deployed in the automobile; rather than the space between described center pillar 2 and the described inner panel 6, with effective protection driver and passenger's head and upper body.
Shown in the dotted line of Fig. 2, the release line of the described chamber door 12b of described ceiling 4 and the upper end of described center pillar 2 separately make described safety air bag pipe 16 disengage through described opening and are deployed in the automobile.
Simultaneously, because described safety air bag pipe 16 is inflated under the situation of high speed and high pressure, the described safety air bag pipe 16 of described ceiling 4 guiding launches along described release line.
But described ceiling 4 begins to be opened into the front end of automobile from the rear end that is provided with described gas generator 20, and described safety air bag pipe 16 launches simultaneously.
At this moment, the release line of described ceiling 4 is many from described center pillar 2 when the bending of automotive interior is installed, and is subjected to described center pillar 2 both sides to press to under-carriage, promptly described inner panel 6, pressure when installing for few.Therefore, described center pillar 2 outer described ceilings 4 can not be opened smoothly, and hinder the smooth expansion of described safety air bag pipe 16, make driver or passenger be endangered.
Described guide plate 14 also is a significant components of described air bag device 10, driver or passenger's safety when it can determine to clash into.But, because and the described guide plate 14 that rotates of the lower surface of described casing 12 be simple sheet, intensity is very not high, itself or can when described safety air bag pipe 16 launches, be damaged by air pressure, rather than contact with damping with described inner panel 6.
In the case, the upper end bump of laminar described chamber door 12b and described center pillar 2, be damaged or the fragment of folding inserts between described center pillar 2 and the described inner panel 6, the described safety air bag pipe 16 that is just launching maybe can enter the space between described center pillar 2 and the described inner panel 6, and fails to prevent that driver or passenger are injured.
Moreover because described guide plate 14 is simple sheet, intensity is very not high, when described safety air bag pipe 16 launches, and described guide plate 14 or can rotate because of the lower surface of air pressure and described casing 12, and contact and cause damage with described inner panel 6.
Therefore, described safety air bag pipe 16 maybe can enter between described center pillar 2 and the described inner panel 6, fails to reach protection driver or passenger's purpose.In addition, damaged guide plate 14 can not be changed.
The air bag device of installing along the whole inside roof lining of automobile edge is commonly referred to as " side airbag " or " curtain type safety steam pocket ".
Another problem of side airbag is an interior guide member or can be out of shape because of external shock, because the side airbag both sides without any the supplemental pilot part, maybe can hinder the expansion of safety air bag.
The specific embodiment
First embodiment
Below in conjunction with Fig. 3 to Fig. 6 the first embodiment of the present invention is described.
As shown in Figure 3, the lower surface of an air bag device 10 of the present invention supports with a bracing frame 100, and it is fixed in one on the inner panel 6 between a top board (not shown) and the ceiling 4.
Because described air bag device 10 is to formerly technology is similar in detail, the pair of supporting 100 that the technology formerly below will described in detail does not have is not described in detail at this.
A pair of support frame as described above 100 is located at a center pillar 2 both sides, and be fixed in one on the inner panel 6 between a top board and the ceiling 4, and the length of the support frame as described above of having fixed 100 is corresponding with automobile inner side.
As shown in Figure 4, the roughly L-shaped shape of support frame as described above 100, and comprise the transverse support portion 120 of always establishing hollow bulb to portion 110 and.
The described described inner panel 6 that directly connects between described top board and described ceiling 4 to portion 110, and the fastening part 111 that utilizes end provided thereon and described inner panel 6 are fastened with bolt.Described transverse support portion 120 directly laterally stretches to portion 110 from described, with the lower surface of the air bag device 10 of support fixation on described inner panel 6.
At this moment, as shown in Figure 4, an end of described transverse support portion 120 is bent downwardly to described straight to the lower end of portion 110, to strengthen described transverse support portion 120.
Moreover to its two ends, promptly an A post or C post narrow the width of described transverse support portion 120 gradually from described center pillar 2, to support described air bag device 10.
Therefore, a safety air bag pipe 16 begins to be expanded to the front end of automobile from the rear end that is provided with a gas generator 20, and simultaneously, one narrow 122 of the described transverse support portion 120 of support frame as described above 100 makes described ceiling 4 at first be skewed unlatching.
In addition, because described safety air bag pipe 16 is opened by one wealthy 121 straight line of described transverse support portion 120, described ceiling 4 smooth fast speedes are opened along the release line of Fig. 6.
Therefore, the described ceiling 4 of stable unlatching makes described safety air bag pipe 16 smooth stable launching in automobile smoothly, and is unlikely injured with protection driver or passenger.
As described above, the operating mode of described air bag device 10 is for to be introduced into the described safety air bag pipe 16 that is folded in the described casing with a large amount of high pressure gas from described gas generator 20, so that described safety air bag pipe 16 under high pressure is inflated to the front end of automobile at a high speed from the rear end that is provided with described gas generator 20, a chamber door 12b of described casing 12 is opened and separates with described casing 12.
At the described safety air bag pipe 16 that expands, described ceiling 4 is pressed to the described chamber door 12b that separates with described casing 12, and open described ceiling 4.
Simultaneously, described ceiling 4 begins to be opened into the front end of automobile from the rear end that is provided with described gas generator 20, and is approximate with the expansion process of described safety air bag pipe 16.Promptly be, described ceiling 4 is by the described transverse support portion 120 smooth stable unlatchings of support frame as described above 100, and opening sequence is: described narrow 122, described wealthy 121, described narrow 122, as shown in Figure 5.
Therefore, as shown in Figure 6, being deployed in the automobile of described safety air bag pipe 16 fast and stables, and the described safety air bag pipe 16 that has launched covers whole automobile inner side, unlikely injured with protection driver or passenger.
Second embodiment
Below in conjunction with Fig. 7 to Figure 10 the second embodiment of the present invention is described.
One air bag device 10 has the safety air bag casing 12 of establishing a safety air bag pipe 16.Described safety air bag casing 12 has a fastening part 12a, itself and a under-carriage, and promptly the inner panel 6 between a top board (not shown) and the ceiling 4 is fastened with bolt.
Fasten on the described safety air bag casing 12 on the described inner panel 6 is arranged at a border between a center pillar 2 and the described ceiling 4 with bolt.
In addition, described safety air bag casing 12 has a chamber door 12b, is installed in its surface in the face of described ceiling 4, and can be opened at gas filed described safety air bag pipe 16.
Moreover described chamber door 12b separates with described casing 12 in its lower end when described safety air bag pipe 16 launches and opens.Described chamber door 12b establishes a line of rupture 13a, and it has one to be roughly the otch of " V " shape, and in lower end and two ends formation, breaks away to help described chamber door 12b.
In addition, described safety air bag casing 12 has the damping portion 130 of a hollow, with described casing 12 1 bottoms integrally formed and with described center pillar 2 every the neighbour, open on its both sides, and connect described inner panel 6.
Moreover, described damping portion 130 have a upper surface 132 as a basal surface of described casing 12, one from described upper surface 132 1 ends extend and with described inner panel 6 captive joints directly is connected the other end of described upper surface 132 and described directly to the wrinkle portion 134 of a lower end of surperficial 136 to surface 136.
Described damping portion 130 can use with a kind of material with described casing 12 and form, and is preferably one and has default elastomeric resilient materials, smoothly described wrinkle portion 134 is pushed and damping.
Therefore, when described wrinkle portion 134 is extruded, described safety air bag pipe 16 launches, and the upper surface of simultaneously described damping portion 130 is pushed to down, utilize the extruding of described wrinkle portion 134 and the damping of described damping portion 130, described damping portion's 130 distortion and resetting to absorb concussion.
As shown in Figure 7, the upper surface of described damping portion 130 is located at the level or the above position of described center pillar 2 one upper ends, hinders mutually with described center pillar 2 with the described safety air bag pipe 16 that prevents to launch.
Therefore, because described safety air bag pipe 16 launches under the situation of high speed and high pressure preventing that it from hindering mutually with described center pillar 2, described safety air bag pipe 16 is stable is deployed in the space between described center pillar 2 and the described inner panel 6.
Moreover, rounded for guiding the stable expansion of described safety air bag pipe 16 with the lower end of the described ceiling 4 of described center pillar 2 bonded assemblys, make described ceiling 4 when described safety air bag pipe 16 launches, separate with described center pillar 2 smoothly.
As shown in Figure 8, automobile side airbag guide plate of the present invention has a safety air bag casing 12, and a large amount of high pressure gas enter a safety air bag pipe 16 that is folded in the described casing 12 from a gas generator 20.
Then, described safety air bag pipe 16 is inflated under high speed and high pressure, ruptures along a line of rupture 13a in the bottom of a chamber door 12b of described casing 12, separates with described casing 12 and opens.
Described safety air bag pipe 16 forces the described chamber door 12b of the described casing 12 that separates with described casing 12 and rotate to contact described ceiling 4, to release described ceiling 4.
With the lower end of the described ceiling 4 of described center pillar 2 bonded assemblys be circular, described safety air bag pipe 16 is separated smoothly, and stable being deployed in the automobile from the upper ends of described center pillar 2.
The swelling force of described safety air bag pipe 16 is sent to the described damping portion 130 of the bottom of described casing 12, and with a wrinkle portion 134 of the curved surfaces that pushes described damping portion 130, a upper surface 132 of described damping portion 130 is opened immediately.
Because it is high position that the described upper surface 132 of described damping portion 130 is in the upper end of more described center pillar 2, described safety air bag pipe 16 is deployed in the automobile fast smoothly, is not subjected to the obstruction of described center pillar 2, and is unlikely injured with protection driver or passenger.
Fig. 9 and Figure 10 show the damping portion of the side airbag guide plate of another embodiment of the present invention, and its parts label is same as the previously described embodiments, in this not repeat specification.
As shown in Figure 9, there is a upper surface 132 ' in described damping portion 130 ' and always to surface 136 ', and the two ends to a wrinkle portion 134 ' of stretching are to form thick portion.In addition, as shown in figure 10, described thick absorbs the concussion that described damping portion 130 ' is born, and damages or fractures to prevent described damping portion 130 ', the extruding of described wrinkle portion 134 ' in the time of can not hindering described air bag device 10B simultaneously and launch.
Therefore, thick described top and directly to the whole described damping of surface 132 ' and 136 ' reinforcement portion 130 '.
The 3rd embodiment
Below in conjunction with Figure 11 to Figure 14 the third embodiment of the present invention is described.
As Figure 11 to shown in Figure 14, the air bag device 10C of the 3rd embodiment comprise be located in it and folding safety air bag pipe 16 several times; One is provided with described safety air bag pipe 16 at interior safety air bag casing 12, one side described safety air bag casing 12 has a chamber door 12b, its upper end has a fastening part 12a to utilize one to be bolted on the inner panel 6; And one and described safety air bag pipe 16 rear end bonded assembly gas generators 20, to disengage a large amount of high pressure gas to it.
At this moment, as Figure 11 and shown in Figure 12, one basal surface of the safety air bag casing 12 of the described air bag device 10C of side airbag guide plate resilient mounting of the present invention, with the described safety air bag pipe of guiding stable when 16 inflations of described safety air bag pipe in automobile.
Add that described guide plate 140 forms with a metalliferous material, and is provided with a plurality of jacks 141, described guide plate 140 utilizes being bolted on the inner panel 6 by described jack 141.Establish a protrusion 142 between the described jack 141, a surperficial closed contact of itself and described safety air bag casing 12, and a support portion 143 from a lower end bending of described guide plate 140 to support the lower surface of described safety air bag casing 12.
Described support portion 143 have one from surface thereof with the longitudinally extending curve 144 of one " L " shape, when the described safety air bag pipe 16 of described curve 144 absorptions expands, the concussion that produces when the lower knuckle of the described chamber door 12b of described safety air bag casing 12 resets then is to prevent the 143 impaired or distortion of described support portion.
The height of described curve 144 can be the described chamber door 12b that makes described safety air bag casing 12 is in the upper end of described center pillar 2 when described safety air bag pipe 16 launches above or level attitude.
When the described chamber door 12b of described safety air bag casing 12 is bent downwardly because of described curve 144, the bottom of described chamber door 12b should be in the above or level attitude of the upper end of described center pillar 2, is deployed between described inner panel 6 and the described center pillar 2 to prevent described safety air bag pipe 16.
In addition, described guide plate 140 has a plurality of elongated holes 146, to lower its weight and material cost.
Described guide plate 140 has from the connecting element 145 of described protrusion 142 bendings, inserts a fixed plate 40 with fixing described safety air bag casing 12 between wherein.
Described connecting element 145 is with the three limit punchings of punch at described protrusion 142, and it is formed to described safety air bag casing 12 flexing an angle of 90 degrees, then, the described fixed plate 40 that is used for fixing described safety air bag casing 12 inserts between the described connecting element 145 by the otch on described fixed plate 40 surfaces, and described connecting element 145 is once more to described fixed plate 40 flexing an angle of 90 degrees, with fixing described fixed plate 40.
The structure and the use of the above side airbag guide plate below are described in detail in detail.
One operating parts utilization is fixed the described support portion 130 of described guide plates 140 on described inner panel 6 by the described connecting element 30 of described jack 141.
Then, the otch that is used for fixing the described fixed plate 40 of described safety air bag casing 12 inserts between the described connecting element 145 of described guide plate 140, described connecting element 145 is bent with fixing described fixed plate 40, finishes the fixed routine of described side airbag device 10C to utilize described guide plate 140 and described fixed plate 40.
When automobile was impacted, a large amount of high pressure gas were released in the described safety air bag pipe 16 from described gas generator 20, and described safety air bag pipe 16 expands, and the described chamber door 12b and the described ceiling 4 of the described safety air bag casing 12 of its process also is deployed in the automobile.
At this moment, the rotation of the bottom of described chamber door 12b is limited by the described support portion 143 of described guide plate 140, enters between described center pillar 2 and the described inner panel 6 to prevent described safety air bag pipe 16.
Therefore, as shown in figure 13, when high pressure gas are disengaged to described safety air bag pipe 16, the concussion that the described curve 144 that can absorb described guide plate 140 produces when making the lower knuckle of described chamber door 12b reset then makes the more stable expansion of described safety air bag pipe 16.
Figure 14 shows a curve of another embodiment of the present invention.Described curve 144 ' is from one side oblique bending of a support portion 143 '.
When the bottom of the described chamber door 12b of described safety air bag casing 12 fractures, described curve 144 ' is guided, to prevent that described bottom 12b is because of crooked be out of shape or impaired fast.
Moreover, described guide plate 140 surfaces can form a skim 170, described tunic 170 can be synthetic resin or syntheticfibres, and covers the described support portion 143 or 143 ' and described curve 144 or 144 ' of described guide plate 140, damages or fracture to prevent that sharp-pointed part from causing.
The 4th embodiment
Below in conjunction with Figure 15 to Figure 18 the fourth embodiment of the present invention is described.
As shown in the figure, the front portion that is installed in the air bag device 10D on the top-side panel 200 utilizes a button to be fixed on the front pillar 500, and the rear pillar 700 that its rear portion and is provided with a gas generator 20 is connected.In addition, a guide plate 300 is installed on the described top-side panel 200 of described center pillar 2, and a side airbag casing 12 is arranged on the support portion 130 of described guide plate 300.
Though show among the figure, described air bag device 10D comprise one in order to the sensor that detects bump and in order to the signal that receives described sensor and the electronic control package of the described gas generator 20 of operation.
As Figure 15 and shown in Figure 16, described guide plate 300 is arranged between described top-side panel 200 and the described ceiling 4, and is fixed on the described top-side panel 200.
Described guide plate 300 has a strut member 330 from the lower knuckle of described connecting element 310, and utilizes one to be arranged at a mounting hole 311 on the described connecting element 310 to be bolted on the described top-side panel 200.
Moreover the stay hook 312 of being located at described mounting hole 311 both sides hooks and is fixed in the hook groove (not shown) of being located on the described top-side panel 200, is rotated and improves the stability of described guide plate 300 to prevent described guide plate 300.
Simultaneously, an end of described strut member 330 has a reclinate guiding part 332, is deployed between described top-side panel 200 and the described ceiling 4 to prevent described air bag device 10.
Followingly according to Figure 17 in detail described guide plate 300 is described in detail, described guide plate 300 comprises that a connecting element 310 is to install described guide plate 300 at described top-side panel 200; One support portion 330, it forms and is provided with the portion of stretching 331 from described connecting element 310 bendings.
In addition, described connecting element 310 have a mounting hole 311, one bolts when described guide plate 300 being installed to described top-side panel 200 by described mounting hole 311.There is slot at described mounting hole 311 two ends, and stay hook 312 is from one side bending of slot.
Described strut member 330 is crooked and relative with described connecting element 310 from described guide plate 300, and the described portion 331 that stretches stretches from the both sides of described strut member 330, to promote the expansion of described safety air bag.
Simultaneously, the described portion 331 that stretches can be located at one side of described strut member 330, and described gas generator 20 is located at this place (seeing Figure 17 B).
Moreover a guiding part 332 is to the crooked an angle of 90 degrees of described strut member 330 1 ends, makes described air bag device 10 open described ceiling 4 being deployed in the automobile, rather than in described center pillar.
In addition, as shown in figure 18, when the automobile impacting object, the signal that a sensor sends makes high pressure gas disengage to described safety air bag pipe 16, makes described safety air bag pipe rapid expanding in automobile.
At this moment, one side described safety air bag pipe 16 from described gas generator begin expand, opening described ceiling 45, and be deployed in the automobile.The described described air bag device 10D of 331 guiding of portion that stretches of the described guide plate 300 of described center pillar 2 is deployed in the automobile.
Promptly be that described air bag device 10D is launched by the described portion 331 that stretches in certain angle.
Because described air bag device 10D arrives the chamber door on described center pillar 2 forward direction opposites and launches; can under the situation that the described center pillar of not given prominence to 2 hinders, launch described safety air bag pipe in automobile; then; described safety air bag pipe promptly is deployed into described center pillar 2 outstanding in the automobile every neighbour's bottom, with protection driver or passenger.
Moreover described guiding part 332 can prevent that described air bag device 10D is deployed in the described center pillar 2, and guides described air bag device 10D in automobile, and not hindered by an end of described center pillar 2.
As previously discussed; a side airbag guide plate of the present invention utilizes a bracing frame, and when a safety air bag pipe was launched, ceiling fast speed was smoothly opened; impel being deployed in the automobile of described safety air bag pipe fast and stable, unlikely injured with protection driver or passenger.
Moreover, utilize a damping portion, safety air bag box deformation when the present invention can prevent that described safety air bag pipe from launching, the described damping portion of described safety air bag casing guides described safety air bag pipe simultaneously.Particularly, there is a stable start point (when its complete pressurized) in described damping portion when described safety air bag pipe begins to launch, and during launching or a start point (when it absorbs concussion back and part and resets) is smoothly arranged afterwards, launch smoothly to impel described safety air bag pipe.
In addition, the lower surface of described side airbag is supported in a support portion of described guide plate, with when described safety air bag pipe launches its stable being directed in the automobile.Moreover, if described support portion fractures, can repair easily or change.In addition, the portion of stretching of described guide plate guides the expansion of described side airbag, hindered by described center pillar to prevent it, and promotes the normal smoothly of described side airbag to launch.
The foregoing description is an optimal way of the present invention; but embodiments of the present invention are not limited by the foregoing description; other any do not deviate from essence or the change on the principle, the modification done under the spirit of the present invention, substitutes, combination, simplify; all should be the displacement or the substitute mode of equivalence, be included within protection scope of the present invention.