CN102476617B - Automobile front bumper device - Google Patents
Automobile front bumper device Download PDFInfo
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- CN102476617B CN102476617B CN201110206034.2A CN201110206034A CN102476617B CN 102476617 B CN102476617 B CN 102476617B CN 201110206034 A CN201110206034 A CN 201110206034A CN 102476617 B CN102476617 B CN 102476617B
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- vertical pole
- front bumper
- automobile
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Abstract
The invention relates to an automobile safety protection device, in particular to an automobile front bumper device, which comprises an engine cabin front part framework, a front bumper assembly and a buffer connection structure, wherein the buffer connection structure is connected onto the front side of the engine cabin front part framework through screws, the front bumper assembly is connected onto the front side of the buffer connection structure, the buffer connection structure comprises a lattice type body and a reinforcing protection edge, and the reinforcing protection edge is arranged on the lower side edge of the lattice type body, is in an integral structure with the lattice type body and extends in the left and right directions of an automobile. The invention provides the automobile front bumper device with the advantages that components are few, the connection is convenient, the anti-collision capability is high, and the light weight degree is high. The problems of many components, complicated installation, low light weight degree and weak anti-collision capability of the existing car front bumper device are solved.
Description
Technical field
The present invention relates to automobile safety protector, relate in particular to a kind of automobile front bumper device.
Background technology
The major part of automobile front bumper device is automobile front beam, automobile front beam is to absorb to relax to come from the impulsive force of vehicle front, the safety device that protection body forward structure is used, the automobile front beam of the eighties is to take metallic material as main, with steel plate stamping, be pressed into the version of U-lag, effects on surface is done the surface treatment of the modes such as chromium plating, with chassis side rail riveted joint or weld together, but the bumper/spoiler of this kind of version and vehicle body have one section of larger gap, seem parts that add up, affect the attractive in appearance of car load, not too by user, accepted.
In order to realize bumper/spoiler and harmony car load and unification, the deadweight that alleviates automobile, the front bumper of the car of at present a lot of vehicles has adopted non-metallic material, is mainly plastic bumper.Low due to the intensity ratio metallic material of plastics insurances, while therefore adopting plastic bumper, in order to realize the harmony of bumper/spoiler and car load, can reach collision requirement again, during collision, the protection of calf shank being required and installed needs, the version of existing automotive front safety device is designed to as shown in Figure 1, comprise cabin forward frame 1, front cross rail 2, lower front cross rail 3, front bumper bump rubber 4, front bumper bottom bump rubber 5 and front bumper assembly 6 form, front cross rail 2 and lower front cross rail 3 strike out the shape of U-lag for cold-rolling thin plate, by rivet or bolt, be connected in cabin forward frame 1, to can disassemble at any time, front bumper bump rubber 4 and front bumper bottom bump rubber 5 are attached on front cross rail 2 and lower front cross rail 3, front bumper assembly 6 covers on the place ahead of front bumper bump rubber 4 and front bumper bottom bump rubber 5, front bumper assembly 6 is fixed by bolt or buckle and vehicle body sheet metal.But this kind of automobile front bumper device exists number of components many, to install loaded down with trivial detailsly, point of connection is too much, and the probability that junction produces fault is large, and lightweight degree is not good enough, the problem that anti-collision ability is weak.
Summary of the invention
The invention provides the automobile front bumper device that few, easy to connect, the anti-collision ability of a kind of number of components is strong, lightweight degree is high, solved existing car front guard frame exist number of components many, install loaded down with trivial details, lightweight degree is not good enough, the problem a little less than anti-collision capacity.
Above technical matters solves by following technical proposal: a kind of automobile front bumper device; comprise cabin forward frame and front bumper assembly; also comprise buffering connection structure; described buffering connection structure is connected by screw on the front side of described cabin forward frame; described front bumper assembly is connected on the front side of described buffering connection structure, and described buffering connection structure comprises latticed main body and is arranged on the more protection limit that the left and right directions along automobile being structure as a whole with latticed main body on latticed main body lower side extends.Latticed main body crumple during collision; energy while absorbing collision; the effect that increases main body lower edge intensity is played on more protection limit; while preventing from colliding, local the bursting in edge damaged, and causes integral body to be burst flat, and the buffering connection structure that is core by a latticed main body by original front cross rail, lower front cross rail, front bumper bump rubber and four parts of front bumper bottom bump rubber is substituted; simplified number of components; convenient when installing and making, and crash energy force rate is original high, has reduced the deadweight of vehicle.
As preferably, the grid hole in described latticed main body is regular hexagon.Making latticed main body is boxwork structure.
As preferably, the protruding cambered surface of the front surface on described more protection limit for seamlessly transitting from left to right.Effective to streaming of the air-flow entering in the air inlet grill checkerwork cell from front bumper assembly, the stationarity in the time of improving high vehicle speeds.
As preferably, described cellular main body and described more protection limit are that plastic production forms.Further reduce the deadweight of vehicle.
As preferably, the material of making described cellular main body and described more protection limit is PP/PE or POM.
As preferably, the leading flank of described latticed main body is fitted on the trailing flank of described front bumper assembly.When producing collision, the leading flank of latticed main body stressed evenly, can not produce and cause that the defeated and dispersed integral body causing in part is defeated and dispersed because of local pressure.
As preferably, the front surface of described buffering connection structure is provided with several cylinders, the rear surface of described front bumper assembly is provided with the strut bar matching with described cylinder, described strut bar interts correspondingly and is sealedly connected in described cylinder, and described strut bar can be made fore and aft motion in described cylinder.When there is head-on crash, the stressed pusher strut bar of front bumper assembly, the degree of depth that strut bar inserts in cylinder deepens, gas in cylinder is compressed, and the bounce of strut bar is become to large, and the front application force that pushes away bumper/spoiler assembly becomes large, play the effect of the anti-collision ability that improves vehicle, this kind of design makes front bumper assembly have automatic restorable effect, realized the recycling of front bumper assembly, reduces the maintenance cost of vehicle.
As preferably, described cabin forward frame is provided with vertical pole, and the rear end of described vertical pole is connected on vehicle frame, and the front end of described vertical pole is connected in the forward frame of described cabin, and described vertical pole is provided with that luring bursts leads kinking structure.Conquassation deformation pattern can absorb more energy than bending deformation pattern, and during conquassation distortion, before and after vehicle body, distortion is little, can protect passenger by actv., by design on vertical pole, lure routed bending structure, make when collision vertical pole to produce the mode of conquassation and be out of shape and to absorb collision energy, when conquassation is not enough to absorb collision energy, while causing flexural deformation, luring the routed kinking structure guiding vertical pole of leading to bend downwards, cabin forward frame moves down, cabin forward frame lower edge supports on ground, wheel now, cabin forward frame lower side and luring is burst and to be led kinking structure three and form a limit and be supported on ground triangular structure, play the effect that improves anti-impact force, reduce the extrusion deformation degree of operator's compartment simultaneously, safety guard-safeguard performance to occupant is good." luring burst leads kinking structure " is one it can be induced vertical pole preferentially to produce fore-and-aft direction distortion along automobile, when there is bending, play the bending downwards of guiding vertical pole so that the structure that front rack moves down when be subject to central collision, " luring routed guide frame " can be along vertical pole, radially offer rise induction vertical pole first axially the hole of the backward lower bending distortion of conquassation or be opened in induction vertical pole in vertical pole peripheral surface first axially conquassation be out of shape the groove of backward lower bending.
As preferably, described lure burst lead kinking structure be arranged in the upper and lower surface of described vertical pole with the perpendicular V-shaped groove of vertical pole, the angular aperture that is positioned at the groove on the upper surface of described vertical pole in described V-shaped groove is less than the angular aperture of the groove on the lower surface that is positioned at described vertical pole, the degree of depth of described V-shaped groove all equates, is positioned at groove on the upper surface of described vertical pole corresponding one by one with the position that is positioned at the groove on the lower surface of described vertical pole in described V-shaped groove." angular aperture " refers to the angle between two cell walls of groove, the part that this kind of structure makes the top of vertical pole be cut out by V-shaped groove is less than the part that below is cut out by V-shaped groove, therefore the intensity of below is less than the intensity of top, when being subject to axial compression, not only can axial deformation energy-absorbing, and when by axial conquassation, can preferentially bend downwards, simple in structure, easy to process, save material, reduce the weight of vertical pole.
Preferred as another, described lure to burst lead kinking structure for connecting two row's rhombus through holes of the left and right sides of described vertical pole, described two row's prismatic through holes, one ranking in the top of the axis of described vertical pole, another ranking is in the below of the axis of described vertical pole, rhombus through hole in every row is along the axial distribution of described vertical pole, the distances of the axis of the described vertical pole of two row's prismatic through holes distances equate, the rhombus through hole of below that is positioned at the axis of the longitudinal axis is greater than the rhombus through hole of the top of the axis that is positioned at vertical pole.The part that this kind of structure makes the top of vertical pole be cut out by through hole is less than the part that below is cut out by through hole, the intensity of below is less than the intensity of top, when being subject to axial compression, not only can axial deformation energy-absorbing, and when by axial conquassation, can preferential bending downwards, simple in structure, easy to process, save material, reduce the weight of vertical pole.
The present invention has following advantage, existing four parts is reduced to a buffering connection structure, therefore number of components is few; The body design of buffering connection structure is latticed, especially in preferred version, is designed to cellularly, and strength-weight ratio is large, mean forced, compression resistance is strong, permeability of heat is low, aseismicity is good and not yielding, light weight, have soundproof effect, good springiness; Buffering connection structure is connected with cabin forward frame by screw, therefore connection is convenient; Cylinder and strut bar that between buffering connection structure and front bumper assembly, design complements one another, optimized collision ability, makes front bumper have the function of automatically replying, and reduced maintenance cost; Design lures to burst leads kinking structure, and once produce bending distortion, cabin front baffle moves down and supports on the ground, has improved anti-collision ability and safety.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the split state of existing automobile front bumper device.
Fig. 2 is the schematic diagram of the split state of automobile front bumper device embodiment mono-of the present invention.
Fig. 3 be automobile front bumper device embodiment bis-of the present invention be longitudinally the cross-sectional schematic of the fore-and-aft direction of vehicle body.
Fig. 4 is the A place enlarged diagram of Fig. 3.
Fig. 5 is the schematic diagram of embodiment bis-while bumping.
Fig. 6 is the A place enlarged diagram of automobile front bumper device embodiment tri-of the present invention.
In figure: cabin forward frame 1, vertical pole 11, the axis 111 of vertical pole, front cross rail 2, lower front cross rail 3, front bumper bump rubber 4, front bumper bottom bump rubber 5, front bumper assembly 6, air inlet grill checkerwork cell 61, strut bar 62, buffering connection structure 7, latticed main body 71, grid hole 711, cylinder 712, more protection limit 72, screw 8, vehicle frame 9, ground 91, wheel 92, front support point 93, operator's compartment 94, luring bursts leads kinking structure 10, V-shaped groove 101, the angular aperture 102 of the groove on the upper surface of vertical pole, the angular aperture 103 of the groove on the lower surface of vertical pole, rhombus through hole 104, the determined plane 105 in turning, left and right of prismatic through hole, the determined plane 106 in turning up and down of prismatic through hole.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment mono-, referring to Fig. 2, a kind of automobile front bumper device, comprise cabin forward frame 1, buffering connection structure 7 and front bumper assembly 6, buffering connection structure 7 is connected on the front side of cabin forward frame 1 by screw 8, buffering connection structure 7 comprises latticed main body 71 and more protection limit 72, latticed main body 71 and more protection limit 72 are structure as a whole, more protection limit 72 is arranged on the lower side of latticed main body 71, extend along the left and right directions of automobile on more protection limit 72, the protruding cambered surface of the front surface on more protection limit 72 for seamlessly transitting from left to right, grid hole 711 in latticed main body 71 is quadrilateral hole, latticed main body 71 and more protection limit 72 are made for PP material, front bumper assembly 6 covers on the front side of buffering connection structure 7, the leading flank of latticed main body 71 is fitted on the trailing flank of front bumper assembly 6, front bumper assembly 6 is provided with air inlet grill checkerwork cell 61, the object of design air inlet grill checkerwork cell 61 is that to be convenient to driving engine air-breathing.
Embodiment bis-, referring to Fig. 3, with the difference of embodiment mono-be that grid hole 711 in latticed main body 71 is regular hexagon hole, making latticed main body 71 is cellular structure, latticed main body 71 and more protection limit 72 are made for PE material, gapped between the front surface of the rear surface of front bumper assembly 6 with buffering connection structure 7, the front surface of the latticed main body 71 of buffering connection structure 7 is provided with several cylinders 712, the trailing flank of front bumper assembly 6 is provided with the strut bar 62 matching with cylinder 712, strut bar 62 interts correspondingly and is sealedly connected in cylinder 712, strut bar 62 can be done elastic motion cylinder 712 is interior, cabin forward frame 1 is provided with vertical pole 11, the rear end of vertical pole 11 is connected on vehicle frame 9, the front end of vertical pole 11 is connected on the trailing flank of cabin forward frame 1, vertical pole 11 is provided with and lures the routed kinking structure 10 of leading.
Referring to Fig. 4, luring bursts lead kinking structure 10 for be arranged in the upper and lower surface of vertical pole 11 with the perpendicular a plurality of V-shaped grooves 101 of vertical pole, the angular aperture 102 that is positioned at the groove on the upper surface of vertical pole in V-shaped groove 101 is 44 degree, the angular aperture 103 that is positioned at the groove on the lower surface of vertical pole in V-shaped groove 101 is 46 degree, the degree of depth of all V-shaped grooves 101 all equates, is positioned at groove on the upper surface of vertical pole corresponding one by one with the position that is positioned at the groove on the lower surface of vertical pole in V-shaped groove 101.
Referring to Fig. 5, when there is fierce head-on crash, the degree of depth that strut bar 62 inserts in cylinder 712 is elongated, gas in compressor cylinder 712, and the interior gas of cylinder 712 expansion of generating heat in collision process, the pressure of the gas in cylinder 712 raises and pushes away forward front bumper assembly 6, play the effect that improves anti-collision ability, when front bumper assembly 6 fits in buffering connection structure 7, 7 pairs of front bumper assemblys 6 of buffering connection structure play strong support, luring routed leading under the effect of kinking structure 10, the axial collapse energy-absorption of vertical pole 11, conquassation is to a certain extent time, vertical pole 11 bends downwards, cabin forward frame 1 is supported on and on ground 91, forms front support point 93 together with the lower side of buffering connection structure 7 and front bumper assembly 6, make to lure to burst and lead kinking structure 10 places, place, wheel 92 and front support are put 93 threes and are formed a triangular structure, with opposing frontal impact, operator's compartment 94 is difficult for being extruded distortion simultaneously.
Embodiment tri-, referring to Fig. 6, being latticed main body 71 and more protection limit 72 with the difference of embodiment bis-is made for POM material, luring bursts leads kinking structure 10 for connecting two row's rhombus through holes 104 of the left and right sides of vertical pole 11, two row's prismatic through holes are symmetrically distributed in the both sides up and down of the axis 111 of vertical pole, rhombus through hole 104 in every row is along the axial distribution of vertical pole 11, each rhombus through hole 104 equates apart from the distance of the axis 111 of vertical pole, the rhombus through hole of below that is positioned at the axis of the longitudinal axis is greater than the rhombus through hole of the top of the axis that is positioned at vertical pole, the determined plane 105 in turning, left and right in each prismatic hole parallels with the axis 111 of vertical pole, the determined plane 106 in turning up and down in each prismatic hole is perpendicular with the axis 111 of vertical pole.
Above-described embodiment is in order more clearly to understand the present invention; not as a kind of restriction to right of the present invention; do not departing under the prerequisite of aim of the present invention; can there be various variations, within all these are all included in protection scope of the present invention to the apparent modification of described those skilled in the art.
Claims (9)
1. an automobile front bumper device, comprise cabin forward frame and front bumper assembly, it is characterized in that, also comprise buffering connection structure, described buffering connection structure is connected by screw on the front side of described cabin forward frame, described front bumper assembly is connected on the front side of described buffering connection structure, described buffering connection structure comprises latticed main body and is arranged on the more protection limit that the left and right directions along automobile being structure as a whole with latticed main body on latticed main body lower side extends, grid hole in described latticed main body extends along the fore-and-aft direction of automobile, described cabin forward frame is provided with vertical pole, the rear end of described vertical pole is connected on vehicle frame, the front end of described vertical pole is connected in the forward frame of described cabin, described vertical pole is provided with can induce the preferential fore-and-aft direction distortion producing along automobile of vertical pole when being subject to central collision, when generation bending, play the routed kinking structure of leading that lures of guiding vertical pole bending downwards.
2. automobile front bumper device according to claim 1, is characterized in that, the grid hole in described latticed main body is regular hexagon.
3. automobile front bumper device according to claim 1, is characterized in that, the protruding cambered surface of the front surface on described more protection limit for seamlessly transitting from left to right.
4. according to the automobile front bumper device described in claim 1 or 2 or 3, it is characterized in that, described cellular main body and described more protection limit are that plastic production forms.
5. automobile front bumper device according to claim 4, is characterized in that, the material of making described cellular main body and described more protection limit is PP/PE or POM.
6. according to the automobile front bumper device described in claim 1 or 2 or 3, it is characterized in that, the leading flank of described latticed main body is fitted on the trailing flank of described front bumper assembly.
7. according to the automobile front bumper device described in claim 1 or 2 or 3, it is characterized in that, the front surface of described buffering connection structure is provided with several cylinders, the rear surface of described front bumper assembly is provided with the strut bar matching with described cylinder, described strut bar interts correspondingly and is sealedly connected in described cylinder, and described strut bar can be made fore and aft motion in described cylinder.
8. according to the automobile front bumper device described in claim 1 or 2 or 3, it is characterized in that, described lure burst lead kinking structure be arranged in the upper and lower surface of described vertical pole with the perpendicular V-shaped groove of vertical pole, the angular aperture that is positioned at the groove on the upper surface of described vertical pole in described V-shaped groove is less than the angular aperture of the groove on the lower surface that is positioned at described vertical pole, the degree of depth of described V-shaped groove all equates, is positioned at groove on the upper surface of described vertical pole corresponding one by one with the position that is positioned at the groove on the lower surface of described vertical pole in described V-shaped groove.
9. according to the automobile front bumper device described in claim 1 or 2 or 3, it is characterized in that, described lure to burst lead kinking structure for connecting two row's rhombus through holes of the left and right sides of described vertical pole, described two row's prismatic through holes, one ranking in the top of the axis of described vertical pole, another ranking is in the below of the axis of described vertical pole, rhombus through hole in every row is along the axial distribution of described vertical pole, the distances of the axis of the described vertical pole of two row's prismatic through holes distances equate, the rhombus through hole of below that is positioned at the axis of the longitudinal axis is greater than the rhombus through hole of the top of the axis that is positioned at vertical pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206034.2A CN102476617B (en) | 2011-07-22 | 2011-07-22 | Automobile front bumper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206034.2A CN102476617B (en) | 2011-07-22 | 2011-07-22 | Automobile front bumper device |
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| Publication Number | Publication Date |
|---|---|
| CN102476617A CN102476617A (en) | 2012-05-30 |
| CN102476617B true CN102476617B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110206034.2A Active CN102476617B (en) | 2011-07-22 | 2011-07-22 | Automobile front bumper device |
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| CN (1) | CN102476617B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204915569U (en) | 2015-09-17 | 2015-12-30 | 延锋彼欧宁波汽车外饰系统有限公司 | Bumper assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868785A (en) * | 2005-05-27 | 2006-11-29 | 尉水仙 | Extension bupper capable of buffering automobile strong collison |
| CN101134451A (en) * | 2006-08-31 | 2008-03-05 | 马自达汽车株式会社 | Vehicle bumper structure |
| CN201235798Y (en) * | 2008-07-03 | 2009-05-13 | 刘骏 | Automotive impact energy-absorbing apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004161250A (en) * | 2002-09-17 | 2004-06-10 | Hanai Seisakusho:Kk | Shock-absorbing bumper device |
| US7806448B2 (en) * | 2008-11-04 | 2010-10-05 | Sabic Innovative Plastics Ip B.V. | Vehicle bumper system with energy absorber |
-
2011
- 2011-07-22 CN CN201110206034.2A patent/CN102476617B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868785A (en) * | 2005-05-27 | 2006-11-29 | 尉水仙 | Extension bupper capable of buffering automobile strong collison |
| CN101134451A (en) * | 2006-08-31 | 2008-03-05 | 马自达汽车株式会社 | Vehicle bumper structure |
| CN201235798Y (en) * | 2008-07-03 | 2009-05-13 | 刘骏 | Automotive impact energy-absorbing apparatus |
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| CN102476617A (en) | 2012-05-30 |
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