The safety guard of a kind of automobile protection pedestrian
Technical field
The present invention relates to a kind of automobile safety components field, particularly relate to the safety guard of a kind of automobile protection pedestrian.
Background technology
At present; the safety guard that automobile uses; basic bumper/spoiler for absorbing percussion wave, cover machinery space front cover, guarantee chaufeur family sight line, the protection air bag be installed in operator's compartment, they are all the safety in order to ensure protecting steerman, passenger in automobile and automobile during auto against well.; in traffic accident; when pedestrian and vehicle collision; pedestrian first collides with the front bumper of automobile, then pops up because the speed of a motor vehicle is too fast, and before finally causing pedestrian and car body, vehicle, cover or Windshield collide; drop into outside vehicle more immediately; cause the generation of secondary injury, the mortality impelling pedestrian and vehicle collision to damage accounts for more than 60% of general mortality rate, and mortality is the highest.
Therefore, the applicant thinks and is necessary that the safety guard to existing automobile improves further.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, can buffer capacity be provided well and farthest protect the automobile of pedestrains safety to protect pedestrian, practical failure-free safety guard when a kind of energy compact conformation being provided and vehicle and pedestrian collision can be made.
To this, the safety guard of a kind of automobile protection pedestrian of the present invention, described safety guard comprises the transparent safety film part of the elastomeric at least one deck of the band being close to car engine cover outer rim, be installed on the thin film separation parts of the band source of the gas that automotive engine covers, the electronic control part being installed on the film lifting piece on car engine cover and being installed on automobile, the front end of car engine cover is fixed in the front end of described safety film part, safety film part tail end is connected with can to the elasticity rolling parts of its folding and unfolding, described elasticity rolling parts are installed on the rear end of car engine cover, the rear end of car engine cover is provided with the movable block guiding safety film part to rise, described movable block spiral-lock is on the rear end of car engine cover and be fixedly connected with the catch bar of film lifting piece, described electronic control part respectively with thin film separation parts, film lifting piece connects and controls their operations order, thus make safety film part also can form safe buffering wall along with film lifting piece moves up by thin film separation parts from car engine cover 1 separation.
Be optimized according to above-mentioned, described car engine cover front end is provided with the separation installation cavity that thin film separation parts are installed, and safety film part covers the opening being separated installation cavity, and the opening of the source outlet correspondence separation installation cavity of thin film separation parts is arranged.
Be optimized according to above-mentioned, the opening of described separation installation cavity is provided with separable soft filling cap, and soft filling cap is closely coupled on the inwall of safety film part.
Be optimized according to above-mentioned, described thin film separation parts comprise divided gas flow producer, and divided gas flow producer is connected with electronic control part.
Be optimized according to above-mentioned, the inwall of described automotive engine cover back-end is provided with the fixed mount of opening, on opening, adaptation is provided with the movable block that can be separated with fixed mount, and movable block internal face is provided with the lifting deflector roll guiding safety film part to promote and the spring support installed with the movable end adaptation of film lifting piece.
Be optimized according to above-mentioned, described fixed mount is provided with the location groove of hold down groove and the adaptive snapping of spring support promoting deflector roll activity installation, and hold down groove fixedly mounts flexible winding portion part, the catch bar of spring support and film lifting piece is hinged.
Be optimized according to above-mentioned, between described movable block and fixed mount, be provided with the guide slide guiding safety film part to pass in and out.
Be optimized according to above-mentioned, described film lifting piece comprises driving cylinder, swing arm and lift gas producer, swing arm fixed end is fixed in car engine cover, swing arm movable end is installed with driving the cylinder body of cylinder adaptation, catch bar and the spring support of driving cylinder are hinged, drive cylinder to be connected with lift gas producer, lift gas producer is connected with electronic control part.
Be optimized according to above-mentioned, described electronic control part comprises sensing device and micro treatmenting device, micro treatmenting device is installed on automobile control panel, sensing device to be installed on automobile and to be connected with micro treatmenting device signal, and micro treatmenting device is connected with divided gas flow producer, lift gas producer respectively and drives the order that they run.
Be optimized according to above-mentioned, described sensing device comprises the pressure sensor be installed on automobile front case, the speed sensor be installed on diff.
Beneficial effect of the present invention is: by covering installation safety guard at automotive engine, when pedestrian and automobile are collided, thin film separation parts are controlled after the electronic control part induction of this safety guard, film lifting piece, impel the safety film part being close to automotive engine cap surface to be promptly separated and erect safe buffering with the front of front windshield above engine case and protect wall, pedestrian is made first to clash into safe buffering protection wall, pedestrian is allowed to obtain larger cushion effect, reduce impact force, farthest protect pedestrains safety, reduce casualty rate, meanwhile, because safety film part is elasticly can protect pedestrian containing at least one deck and transparent film, the car body of automobile, car engine cover and Windshield can be protected again not to affect the sight line of navigating mate, reliable and practical.
Accompanying drawing explanation
Fig. 1 is the block diagram that present pre-ferred embodiments car engine cover closes or opens.
Fig. 2 is the enlarged drawing of A in present pre-ferred embodiments Fig. 1.
Fig. 3 is the structural representation of present pre-ferred embodiments safety film part.
Fig. 4 is the enlarged drawing of B in present pre-ferred embodiments Fig. 1.
Fig. 5 is the partial schematic diagram that present pre-ferred embodiments car engine cover is closed.
Fig. 6 is the enlarged drawing of C in present pre-ferred embodiments Fig. 5.
Fig. 7 is the block diagram of another angle of present pre-ferred embodiments.
Fig. 8 is the structural representation of present pre-ferred embodiments film lifting piece.
Fig. 9 is the enlarged drawing of D in present pre-ferred embodiments Fig. 8.
Figure 10 is the partial schematic diagram that present pre-ferred embodiments safety film part forms safe buffering protection wall.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described; Fig. 1 and Figure 10 illustrates present pre-ferred embodiments, and it comprises described safety guard and comprises the safety film part 2 of at least one deck being close to car engine cover 1 outer rim, the thin film separation parts 3 of the band source of the gas be installed on car engine cover 1, the electronic control part 5 that is installed on the film lifting piece 4 on car engine cover 16 and is installed on automobile.The front end of car engine cover 1 is fixed in the front end of described safety film part 2, and safety film part 2 tail end is connected with can to the elasticity rolling parts 6 of its folding and unfolding.Described elasticity rolling parts 6 are installed on the rear end of car engine cover 1, the rear end of car engine cover 1 is provided with the movable block 7 guiding safety film part 2 to rise, and described movable block 7 spiral-lock is fixedly connected with on the rear end of car engine cover 1 and with the catch bar 411 of film lifting piece 4.Wherein, described electronic control part 5 is connected with thin film separation parts 3, film lifting piece 4 respectively and controls their operations order, thus makes safety film part 2 also can form safe buffering protection wall 8 along with film lifting piece 4 moves up by thin film separation parts 3 from car engine cover 1 separation.Like this, pedestrian can be made first to clash into safe buffering protection wall 8, allow pedestrian obtain larger cushion effect, reduce impact largely, farthest protect pedestrains safety, reduce casualty rate.
With reference to shown in Fig. 3, the number of plies of described safety film part 2 is chosen as one deck, or is two-layer, or is three layers, or is more than three layers.But the number of plies of the safety film part 2 of this prioritization scheme elects three layers as, be respectively ground floor film 21, second layer film 22 and third layer film 23.The thin covering of ground floor is also close to the outside face of car engine cover 1, and second layer film 22 and third layer film 23 are all arranged on ground floor film 21, and second layer film 22 is separable is connected on ground floor film 21.Like this, second layer film 22 can be avoided to cross and to be pasted on by force on ground floor film 21, facilitate second layer film 22 upwards to mention.And less relative to ground floor film 21 of second layer film 22 width, guarantees that second layer film 22 can stick on ground floor film 21, can be separated with ground floor film 21 rapidly and upwards promote again, form safe buffering protection wall 8.In addition the relative ground floor film 21 of second layer film 22 length is long, and the part grown is packed up by elasticity rolling parts 6.The both sides that third layer film 23 is arranged at second layer film 22 are firmly close on ground floor film 21.Effectively prevent second layer film 22 to be torn from side abnormally, improve steadiness, guarantee service property (quality).
With reference to shown in Fig. 2 and Figure 10, described car engine cover 1 front end is provided with the separation installation cavity 9 that thin film separation parts 3 are installed, safety film part 2 covers the opening being separated installation cavity 9, and the source outlet correspondence of thin film separation parts 3 is separated the opening setting of installation cavity 9.The opening of described separation installation cavity 9 is provided with separable soft filling cap 10, and soft filling cap 10 is closely coupled on the inwall of safety film part 2.Wherein, described thin film separation parts 3 comprise divided gas flow producer 31, and divided gas flow producer 31 is connected with electronic control part 5.That is, when pedestrian and automobile collide, electronic control part 5 controls divided gas flow producer 31 and runs.Divided gas flow producer 31 produces a large amount of Qi Ti Chong Full separation installation cavity 9 after lighting a fire.Now, soft filling cap 10 is subject to air pressure impact and departs from opening gradually.Because the material of soft filling cap 10 is thicker, so be not easy to be punctured by gas shock wave.At this moment, safety film part 2 is subject to the drive of soft filling cap 10 also along with disengaging car engine cover 1.When gas spreads to surrounding, make safety film part 2 and the surperficial insufflation gas of car engine cover 1, drive at film lifting piece 4 simultaneously and upwards promote, safety film part 2 departs from car engine cover 1 more fast and forms safe buffering protection wall 8.
With reference to shown in Fig. 4 to Figure 10, the inwall of described car engine cover 1 rear end is provided with the fixed mount 11 of opening, and on opening, adaptation is provided with the movable block 7 that can be separated with fixed mount 11.Movable block 7 internal face is provided with the lifting deflector roll 12 guiding safety film part 2 to promote and the spring support 13 installed with the movable end adaptation of film lifting piece 4.Further, fixed mount 11 is provided with and promotes the hold down groove 14 of deflector roll 12 activity installation and the location groove 15 of the adaptive snapping of spring support 13.These elasticity rolling parts 6 are fixedly installed on hold down groove 14, and spring support 13 is hinged with the catch bar 411 of film lifting piece 4.According to practical application, between described movable block 7 and fixed mount 11, be provided with the guide slide 16 guiding safety film part 2 to pass in and out.Make safety film part 2 directionally along guide slide 16 outwards unwrapping wire or inwardly take-up, guarantee the stability of safety film part 2.
Wherein, described film lifting piece 4 comprises driving cylinder 41, swing arm 42 and lift gas producer 43, swing arm 42 fixed end is fixed in car engine cover 16, swing arm 42 movable end is installed with driving the cylinder body 412 of cylinder 41 adaptation, drive the catch bar 411 of cylinder 41 hinged with spring support 13, drive cylinder 41 to be connected with lift gas producer 43, lift gas producer 43 is connected with electronic control part 5.In prioritization scheme, the catch bar 411 of described driving cylinder 41 is that three joints stretch push rod.The flexible push rod of this three joint comprise can freely in turn stretch out be retracted in drive cylinder 41 cylinder body 412 in the solid push rod of first segment, the hollow ejector sleeve of second section and Section of three hollow ejector sleeve.Further, the periphery bottom the solid push rod of first segment has annulus water jacket, the inner peripheral surface at top of the hollow ejector sleeve of second section and Section of three hollow ejector sleeve and the periphery of bottom have interior circumferential groove and annular groove outside.Wherein, the annulus water jacket of the annular groove outside bottom hollow ejector sleeve and solid push rod is equipped with elastic stop ring 44 respectively, and elastic stop ring 44 has the trend of radial dilatation.When solid push rod protrudes upward in process, elastic stop ring 44 respectively slippage, in annulus water jacket and interior circumferential groove, makes the solid push rod of first segment, the hollow ejector sleeve of second section and Section of three hollow ejector sleeve can not be protruding again, can only reset downwards.Thus safety film part 2 is stably promoted again rapidly.Period, the top of the solid push rod of described first segment is articulated with on spring support 13, and spring support 13 is connected on support bracket fastened location groove 15 by steel ball and draw-in groove buckle.After lift gas producer 43 is lighted a fire, the catch bar 411 of driving cylinder upwardly, has enough upwardly power that movable block 7 is located away from car engine cover 1, and the block 7 that innervates moves up along with catch bar 411.Be arranged on movable block 7 owing to promoting deflector roll 12, make safety film part 2 also and pull out from elasticity rolling parts 6 along with movable block 7 and upwards promote.The active position of the catch bar 411 of this driving cylinder is the summation of solid push rod and hollow ejector sleeve displacement.Strengthen the fastness of the safe buffering protection wall 8 formed and guarantee its result of use.
In addition, the solid push rod of described first segment has with the second hollow ejector sleeve the cavity 45 communicated respectively.This cavity 45 is connected with lifting gas producer 43, and cavity 45 bottom is provided with air connection spool 46.When air be communicated with spool 46 move up or down time, cavity 45 is communicated with air or closes, and impels car engine cover 1 can at the alerting ability of daily unlatching or closedown.Further, the both sides of cavity 45 have a fixed spool 47 respectively.After lift gas producer 43 is lighted a fire, fixed spool 47 outwards extrudes and inserts on the fixed support 48 that is fixed on swing arm 42, and make the catch bar 411 of driving gas bar under raised configuration, cylinder body 412 is fixedly mounted in automotive engine cover body.Strengthen the steadiness installed, improve result of use.
With reference to shown in Fig. 1, Fig. 7 and Figure 10, described electronic control part 5 comprises sensing device and micro treatmenting device 51, micro treatmenting device 51 is installed on automobile control panel, sensing device to be installed on automobile and to be connected with micro treatmenting device 51 signal, and micro treatmenting device 51 is connected with divided gas flow producer 31, lift gas producer 43 respectively and drives the order that they run.That is, sensing device is in order to judge whether automobile bumps against the degree of pedestrian and shock, can promptly by signal feedback to micro treatmenting device 51.Divided gas flow producer 31 can be controlled immediately when micro treatmenting device 51 is detected as danger signal and lift gas producer 43 runs, impel safety film part 2 to be separated and upwards to be promoted by film lifting piece 4.Wherein, described sensing device comprises and is installed on pressure sensor 52 on automobile front case and for being installed on the speed sensor 53 on diff.And micro treatmenting device 51 is arranged at vehicle drive indoor.When a crash occurs, the pressure that automobile is subject to and the speed of a motor vehicle are not more than setting value respectively, micro treatmenting device 51 can not send the signal of divided gas flow producer 31 and lift gas producer 43 operation, if when pressure and the speed of a motor vehicle are greater than setting value, micro treatmenting device 51 sends the signal of divided gas flow producer 31 and lift gas producer 43 operation.Available protecting is hit the safety of pedestrian, reduces casualty rate.
Above-mentioned specific embodiment is only the good detailed description of the invention of effect of the present invention, and the safety guard of pedestrian protected by all automobiles identical or equivalent with this structure, all in the protection domain of the application.