CN116552647B - SOB anti-collision structure capable of being used for front part of new energy automobile body - Google Patents
SOB anti-collision structure capable of being used for front part of new energy automobile body Download PDFInfo
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- CN116552647B CN116552647B CN202310422456.6A CN202310422456A CN116552647B CN 116552647 B CN116552647 B CN 116552647B CN 202310422456 A CN202310422456 A CN 202310422456A CN 116552647 B CN116552647 B CN 116552647B
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 124
- 238000009434 installation Methods 0.000 claims abstract description 74
- 238000003466 welding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000003351 stiffener Substances 0.000 description 8
- 102220517058 Transcriptional regulator PINT87aa_I11A_mutation Human genes 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 102220517071 Transcriptional regulator PINT87aa_I10A_mutation Human genes 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
- B62D25/025—Side sills thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an SOB anti-collision structure for the front part of a new energy automobile body, which comprises a safety installation reinforcing plate, a front longitudinal beam rear section connecting plate and a front longitudinal beam reinforcing plate; the inner side of the outer column plate is connected with a side wall connecting area I extending in front of the outer threshold through a side wall connecting area II, the inner side of the outer column plate is connected with a flanging of the outer threshold through a flanging II, and the outer side of the outer column plate is connected with a connecting area I of the safety installation reinforcing plate through a side wall connecting area II and a side wall connecting area III; the outer side of the inner pillar plate is connected with a fourth connecting area of the reinforcing plate patch of the front longitudinal beam through a fourth connecting area of the side wall, a fourth flanging of the connecting plate at the rear section of the front longitudinal beam and a second connecting area of the safety installation reinforcing plate; the inner side of the front longitudinal beam reinforcing plate patch is connected with a flange III of a front longitudinal beam rear section connecting plate through a connecting area III and is connected with a safety installation reinforcing plate; the invention can increase the energy absorption of SOB collision, avoid the separation of the inner plate and the outer plate of the column caused by overlarge stress, and enhance the structural safety of the vehicle.
Description
[ technical field ]
The invention relates to the technical field of new energy automobiles, in particular to an SOB anti-collision structure applicable to the front part of a new energy automobile body.
[ background Art ]
At present, a vehicle body structural design SOB small offset collision working condition brings out higher demands on A column strength, and separation of an inner plate and an outer plate of the A column in collision can cause excessive intrusion of a passenger cabin, so that safety demands are not met, and constraint demands of modeling on front suspension size reduction in a pure electric vehicle and increasing demands of pure electric platform module arrangement diversification on space are met.
Published patent document (publication number CN 110758568A) discloses a vehicle body front structure for improving small offset collision performance, which comprises two front longitudinal beams and two front wheel cover side reinforcing beams symmetrically arranged left and right, and the deformation of a column a caused by collision is reduced by extending shotgun energy absorption, but the following disadvantages exist: the front side space of the longitudinal beam is occupied, the diversification of the arrangement of the pure electric platform modules is not satisfied, and the pure electric platform is more constrained to modeling.
[ summary of the invention ]
The invention aims to solve the defects and provide the SOB anti-collision structure which can be used for the front part of a new energy automobile body, the energy absorption of SOB collision can be increased through safely installing a reinforcing plate in a shape like a Chinese character 'ji', the direct impact force of flanging of an inner plate and an outer plate of an A column is avoided, the connection and fixation between the inner plate and the outer plate of the A column and the rear end of a longitudinal beam are increased, the front end of a threshold is buffered and protected during SOB collision, the deformation of the front end of the threshold is reduced, the separation of the inner plate and the outer plate of the A column due to overlarge stress at the position is avoided, and the safety of the automobile structure is enhanced.
In order to achieve the above purpose, an SOB anti-collision structure applicable to the front part of a new energy automobile body is designed, and comprises a safety installation reinforcing plate 10, an outer threshold 11, an A column outer plate 12, an A column inner plate 15, a front longitudinal beam rear section connecting plate 13 and a front longitudinal beam reinforcing plate patch 14; the safety installation reinforcing plate 10 comprises a first connection area 10A and a second connection area 10B, wherein the first connection area 10A passes through the second connection surface 108, the third connection surface 109 and the first connection surface 107 to reach the second connection area 10B, and the first connection area 10A, the second connection surface 108, the third connection surface 109, the first connection surface 107 and the second connection area 10B form a cavity structure with a cross section in a shape of a Chinese character 'ji'; the outer threshold 11 comprises a side wall connecting area I11A extending to the front end, and a flanging I112 is arranged at the front end of the side wall connecting area I11A; the A-pillar outer plate 12 comprises a side wall connecting area II 12A and a side wall connecting area III 12B which are positioned at the front end, and flanges II 123 are respectively arranged at the front edges of the side wall connecting area II 12A and the side wall connecting area III 12B; the front longitudinal beam rear section connecting plate 13 comprises a third flanging 131 positioned at the front end, and a fourth flanging 132 is arranged at the outer side edge of the third flanging 131; the front longitudinal beam reinforcing plate patch 14 comprises a third connecting area 14A positioned in the middle of the front side and a fourth connecting area 14B positioned on the outer side; the A column inner plate 15 comprises a side wall connecting area IV 15A, and a flanging V152 is arranged at the front edge of the side wall connecting area IV 15A; the inner side of the A-pillar outer plate 12 is connected with a side wall connecting area I11A extending in front of the outer threshold 11 through a side wall connecting area II 12A, the inner side of the A-pillar outer plate 12 is connected with a flanging 112 of the outer threshold 11 through a flanging II 123, and the outer side of the A-pillar outer plate 12 is connected with a connecting area I10A of the safety installation reinforcing plate 10 through a side wall connecting area II 12A and a side wall connecting area III 12B; the outer side of the A column inner plate 15 is connected with a fourth connecting area 14B of the front longitudinal beam reinforcing plate patch 14 through a fourth side wall connecting area 15A, a fourth flanging 132 of the front longitudinal beam rear section connecting plate 13 and a second connecting area 10B of the safety installation reinforcing plate 10; the inner side of the front longitudinal beam reinforcing plate patch 14 is connected with a flanging III 131 of the front longitudinal beam rear section connecting plate 13 through a connecting area III 14A, and the outer side of the front longitudinal beam reinforcing plate patch 14 is connected with the safety installation reinforcing plate 10 through the connecting area III 14A.
Further, the first connection area 10A and the second connection area 10B are respectively provided with a mounting fixing hole 102, a rib 103 and a reinforcing feature surface 104, the rib 103 and the reinforcing feature surface 104 are arranged between the mounting fixing holes 102, the rib 103 and the reinforcing feature surface 104 on the first connection area 10A extend inwards from the boundary to the second connection surface 108, and the rib 103 and the reinforcing feature surface 104 on the second connection area 10B extend outwards from the boundary to the first connection surface 107; the front part of the second connecting area 10B extends inwards to form an extending area, the extending area is provided with a second mounting hole 106, the front and the rear parts of the second mounting hole 106 are respectively provided with a reinforcing rib 105, and the reinforcing ribs 105 extend outwards from the boundary of the extending area to the first connecting surface 107 through the second connecting area 10B.
Further, a plurality of mounting holes three 111 are formed in the first side wall connection region 11A of the outer threshold 11, a mounting hole four 121 and a mounting hole five 122 are formed in the second side wall connection region 12A and the third side wall connection region 12B of the a-pillar outer panel 12, and the a-pillar outer panel 12, the safety installation reinforcing plate 10 and the outer threshold 11 are fixedly provided with a fixing hole 102, a mounting hole four 121, a mounting hole three 111 and a mounting hole five 122 through a plurality of fixing bolts 16.
Further, a plurality of first mounting through holes 151 are formed in the fourth 15A side wall connecting region of the a pillar inner panel 15, second mounting through holes 1311 and third mounting through holes 1321 are formed in the third 131 and fourth 132 turn-ups of the front longitudinal beam rear section connecting panel 13, sixth mounting through holes 141 and seventh mounting through holes 142 are formed in the third 14A and fourth 14B connecting regions of the front longitudinal beam reinforcing panel 14, and the a pillar inner panel 15, the front longitudinal beam reinforcing panel 14, the front longitudinal beam rear section connecting panel 13 and the safety mounting reinforcing panel 10 are fixedly mounted with the fixing holes 102, the sixth mounting holes 1061, the third mounting through holes 1321, the seventh mounting through holes 142 and the first mounting through holes 151 through a plurality of fixing bolts 16, and the outer side of the front longitudinal beam reinforcing panel 14 is connected with the second mounting holes 106 and the first mounting holes 101 of the safety mounting reinforcing panel 10 through the third 14A connecting regions.
Further, the outer threshold 11 is connected with the a-pillar outer panel 12 and the a-pillar inner panel 15 by spot welding in the inner and outer directions, and a safety gap between the first flange 112, the second flange 123, the fifth flange 152 and the third connecting surface 109 of the "several" shaped structure of the two safety installation reinforcing panels 10 is at least 5mm, so as to be used as a deformation gap when the SOB collision is received.
Further, the third flange 131 of the front-side-beam rear-section connecting plate 13 is connected with the front-side-beam reinforcing-plate patch 14 in a connecting area except for the third side-wall connecting area 14A by one or more spot welds; the safety installation reinforcing plate 10 is made of steel material with the steel material number HC340/590DP+Z, and the thickness of the safety installation reinforcing plate is greater than or equal to 1.6mm.
Further, in the "table" structure of the safety installation reinforcing plate 10, the first connection surface 107 and the second connection surface 108 extend further forward when the tire envelope is allowed, and the third connection surface 109 is moved forward as much as possible, so that the formed cavity is further enlarged.
Further, the safety mount stiffener 10 extends outwardly and rearwardly from the first attachment region 10A with one or more faces or ribs 103 or reinforcing feature faces 104 to engage the side wall of the a-pillar outer panel 12 to reduce the concentrated stresses experienced by the second and third side wall attachment regions 12A, 12B.
Further, the safety mount stiffener 10 extends inward and forward on the second attachment region 10B with one or more faces or ribs 105 or reinforcing features 104 to engage the front rail stiffener 14 except the third attachment region 14A, thereby reducing the concentrated stresses experienced by the third attachment region 14A and the fourth attachment region 14B.
The invention also provides an automobile, which comprises the SOB anti-collision structure which can be used for the front part of the automobile body of the new energy automobile.
Compared with the prior art, the invention has the following advantages:
(1) According to the invention, through the structure of the cavity with the shape like the Chinese character 'ji' of the safety installation reinforcing plate, the energy absorption of SOB collision can be increased, the direct impact force of flanging the inner plate and the outer plate of the A column can be avoided, the connection and fixation between the inner plate and the outer plate of the A column and the rear end of the longitudinal beam are increased, the front end of the threshold is buffered and protected during SOB collision, the deformation of the front end of the threshold is reduced, the separation of the inner plate and the outer plate of the A column due to overlarge stress at the position is avoided, and the safety of the vehicle structure is enhanced;
(2) Compared with the published patent document CN110758568A, the invention further releases the front arrangement space of the longitudinal beam, is favorable for diversification of the arrangement of the pure electric platform modules, and has less constraint on the modeling for the pure electric platform;
(3) According to the tool sample piece and the weight, welding structural parts are reduced, welding procedures are reduced, part weight is reduced, and relevant tool cost is saved.
[ description of the drawings ]
FIG. 1 is a schematic view of the assembled construction of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention where a reinforcing plate is installed safely;
FIG. 3 is a schematic view of the overall structure of the present invention;
in the figure: 1. the SOB collision preventing structure 10, the safety installation reinforcing plate 11, the outer rocker 12, the a pillar outer panel 13, the front side member rear connection plate 14, the front side member reinforcing plate complement plate 15, the a pillar inner panel 16, the fixing bolt 10A, the connection region one 10B, the connection region two 101, the installation hole one 102, the installation fixing hole 103, the rib 104, the reinforcing feature face 105, the reinforcing rib 106, the installation hole two 1061, the installation hole six 107, the first connection face 108, the second connection face 109, the third connection face 11A, the side wall connection region one 111, the installation hole three 112, the flange one 12A, the side wall connection region two 12B, the side wall connection region three 121, the installation hole four 122, the installation hole five 123, the flange two 131, the flange three 132, the flange four 1311, the installation via two 1321, the installation via three 14A, the connection region three 14B, the connection region four 141, the installation via six 142, the installation via Kong Qi a, the side wall connection region four 152, the flange five 151, and the installation via one.
Detailed description of the preferred embodiments
As shown in the drawings, the present invention provides an SOB collision preventing structure that can be used for a front portion of a new energy automobile body, and an automobile including the SOB collision preventing structure. The SOB anti-collision structure comprises a safety installation reinforcing plate 10, an outer threshold 11, an A column outer plate 12, an A column inner plate 15, a front longitudinal beam rear section connecting plate 13 and a front longitudinal beam reinforcing plate patch 14; the safety installation reinforcing plate 10 comprises a first connection area 10A and a second connection area 10B, wherein the first connection area 10A reaches the second connection area 10B through a second connection surface 108, a third connection surface 109 and a first connection surface 107, and the first connection area 10A, the second connection surface 108, the third connection surface 109, the first connection surface 107 and the second connection area 10B form a cavity structure with a cross section in a shape like a Chinese character 'ji'; the outer threshold 11 comprises a side wall connecting area I11A extending to the front end, and a flanging I112 is arranged at the front end of the side wall connecting area I11A; the A-pillar outer plate 12 comprises a side wall connecting area II 12A and a side wall connecting area III 12B which are positioned at the front end, and flanges II 123 are respectively arranged at the front edges of the side wall connecting area II 12A and the side wall connecting area III 12B; the front longitudinal beam rear section connecting plate 13 comprises a third flanging 131 positioned at the front end, and a fourth flanging 132 is arranged at the outer side edge of the third flanging 131; the front longitudinal beam reinforcing plate patch 14 comprises a connecting area III 14A positioned in the middle of the front side and a connecting area IV 14B positioned on the outer side; the A column inner plate 15 comprises a side wall connecting area IV 15A, and a flanging V152 is arranged at the front edge of the side wall connecting area IV 15A; the inner side of the A-pillar outer plate 12 is connected with a side wall connecting area I11A extending in front of the outer threshold 11 through a side wall connecting area II 12A, the inner side of the A-pillar outer plate 12 is connected with a flanging 112 of the outer threshold 11 through a flanging II 123, and the outer side of the A-pillar outer plate 12 is connected with a connecting area I10A of the safety installation reinforcing plate 10 through a side wall connecting area II 12A and a side wall connecting area III 12B; the outer side of the A-pillar inner plate 15 is connected with a fourth connecting area 14B of the front longitudinal beam reinforcing plate patch 14, a fourth flanging 132 of the front longitudinal beam rear section connecting plate 13 and a second connecting area 10B of the safety installation reinforcing plate 10 through a fourth side wall connecting area 15A; the inner side of the front longitudinal beam reinforcing plate patch 14 is connected with the flanging III 131 of the front longitudinal beam rear section connecting plate 13 through the connecting area III 14A, and the outer side of the front longitudinal beam reinforcing plate patch 14 is connected with the safety installation reinforcing plate 10 through the connecting area III 14A.
Wherein, the first connection area 10A and the second connection area 10B are respectively provided with a mounting fixing hole 102, a rib 103 and a reinforcing feature surface 104, the rib 103 and the reinforcing feature surface 104 are arranged between the mounting fixing holes 102, the rib 103 and the reinforcing feature surface 104 on the first connection area 10A extend inwards from the boundary to the second connection surface 108, and the rib 103 and the reinforcing feature surface 104 on the second connection area 10B extend outwards from the boundary to the first connection surface 107; the front part of the second connecting area 10B extends inwards to form an extending area, the extending area is provided with a second mounting hole 106, the front and the rear parts of the second mounting hole 106 are respectively provided with a reinforcing rib 105, and the reinforcing ribs 105 extend outwards from the boundary of the extending area to the first connecting surface 107 through the second connecting area 10B. A plurality of mounting holes III 111 are formed in the first side wall connecting area 11A of the outer threshold 11, a mounting hole IV 121 and a mounting Kong Wu 122 are formed in the second side wall connecting area 12A and the third side wall connecting area 12B of the outer pillar panel 12 respectively, and a fixing hole 102, a mounting hole IV 121, a mounting hole III 111 and a mounting hole V122 are fixedly arranged between the outer pillar panel 12, the safety installation reinforcing plate 10 and the outer threshold 11 through a plurality of fixing bolts 16.
A column inner plate 15 is provided with a plurality of first mounting through holes 151 in a side wall connecting area IV 15A, a third flange 131 and a fourth flange 132 of a front longitudinal beam rear section connecting plate 13 are respectively provided with a second mounting through hole 1311 and a third mounting through hole 1321, a third connecting area 14A and a fourth connecting area 14B of a front longitudinal beam reinforcing plate patch 14 are respectively provided with a plurality of sixth mounting through holes 141 and Kong Qi 142, the A column inner plate 15, the front longitudinal beam reinforcing plate patch 14, the front longitudinal beam rear section connecting plate 13 and the safety mounting reinforcing plate 10 are fixedly provided with a fixing hole 102, a sixth mounting hole 1061, a third mounting through hole 1321, a seventh mounting through hole 142 and a first mounting through hole 151 through a plurality of fixing bolts 16, and the outer side of the front longitudinal beam reinforcing plate patch 14 is connected with a second mounting hole 106 and a first mounting hole 101 of the safety mounting reinforcing plate 10 through the third connecting area 14A.
The outer threshold 11 is connected with the a-pillar outer panel 12 and the a-pillar inner panel 15 by spot welding in the inner and outer directions, and the safety gap between the first flange 112, the second flange 123, the fifth flange 152 and the third connecting surface 109 of the double-safety-installation reinforcing plate 10 in the shape of a Chinese character 'ji' is at least 5mm, so as to be used as a deformation gap when SOB collision is received. The third flange 131 of the front-side-beam rear-section connecting plate 13 is connected with the front-side-beam reinforcing-plate patch 14 in a connecting area except the side-wall connecting area III 14A by one or more spot welds; the safety mount reinforcing plate 10 is made of steel material HC340/590DP+Z, and has a thickness of 1.6mm or more. In the "figure" structure of the safety mount reinforcing plate 10, the first connection surface 107 and the second connection surface 108 extend further forward when the envelope of the tire allows, and the third connection surface 109 is moved forward as much as possible, so that the formed cavity is further enlarged.
The safety mount stiffener 10 extends outwardly and rearwardly of one or more of the faces or ribs 103 or reinforcing feature faces 104 on the first attachment region 10A to engage the side wall of the a-pillar outer panel 12 to reduce the concentrated stresses experienced by the second and third side wall attachment regions 12A and 12B; the safety mount stiffener 10 extends inwardly and forwardly of one or more faces or ribs 105 or reinforcing features 104 on the second attachment region 10B to engage the front rail stiffener 14 except for the third attachment region 14A, thereby reducing the concentrated stresses experienced by the third attachment region 14A and the fourth attachment region 14B.
The invention is further described below with reference to the accompanying drawings and specific examples:
the invention provides an SOB anti-collision structure, which comprises two safety installation reinforcing plates 10, two outer doorsills 11, two A column outer plates 12, two A column inner plates 15, two front longitudinal beam rear section connecting plates 13 and two front longitudinal beam reinforcing plate reinforcing plates 14, wherein the two outer doorsills are arranged on the two A column outer plates;
the two safety installation reinforcing plates 10 comprise a first connection area 10A and a second connection area 10B, a plurality of installation fixing holes 102 are formed in the first connection area 10A/the second connection area 10B, ribs 103 or reinforcing feature surfaces 104 are arranged between the two holes, and the ribs 103 and the reinforcing feature surfaces 104 extend inwards or outwards from the boundary to the position of the second connection surface 108/the first connection surface 107. Similarly, two reinforcing ribs 105 are arranged above and below the mounting hole six 1061 and the mounting hole two 106, the reinforcing ribs 105 extend inwards to the first connecting surface 107 through the connecting area two 10B, and the connecting area one 10A reaches the connecting area two 10B through the second connecting surface 108/the third connecting surface 109/the first connecting surface 107 to form a 'nearly' shaped structure;
two outer sills 11 including a side wall connecting region one 11A extending to the front end, a plurality of mounting holes three 111 and a burring one 112;
the two A-pillar outer panels 12 comprise a side wall connecting area II 12A/a side wall connecting area III 12B, a plurality of mounting holes IV 121/a mounting hole V122 and a flanging II 123;
the two A-pillar inner plates 15 comprise side wall connecting areas IV 15A, a plurality of mounting through holes I151 and flanging V152;
the two front longitudinal beam rear section connecting plates 13 comprise a third flanging 131/a fourth flanging 132, and a second flanging mounting via hole 1311/a third mounting via hole 1321;
two front side rail reinforcing plate patches 14 including a third connection region 14A/a fourth connection region 14B, a plurality of mounting vias six 141/a mounting via seven 142;
the above components are laterally disposed on either side of the vehicle structural member, one on each side, and are connected by a plurality of fixing bolts 16 on either side of the vehicle.
The specific connection modes are as follows:
the a pillar outer panel 12 is connected on the inside (i.e., backward direction indicated by an arrow) to a side wall end side wall connecting region 11A extending forward of the outer rocker 11 through a side wall connecting region 12A, is connected on the inside (i.e., inward direction indicated by an arrow) to a turn-up 112 of the outer rocker 11 through a turn-up 123, is connected on the outside (i.e., forward direction indicated by an arrow) to an end (connecting region 10A) of the safety installation reinforcing plate 10 through an end (side wall connecting region 12A and side wall connecting region 12B), and is fixed with mounting holes (mounting fixing holes 102/mounting holes four 121/mounting holes three 111/mounting holes five 122) through a plurality of fixing bolts 16;
the two a pillar inner panels 15 are connected to the connection region four 14B of the front side member reinforcing panel patch 14, the flange of the front side member rear section connecting panel 13, and the end (second connection surface 10B) of the safety installation reinforcing panel 10 on the outside (i.e., in the forward direction as indicated by the arrow) through the side wall connection end (side wall connection region four 15A), and fix the installation holes (installation fixing holes 102/installation holes six 1061/installation via holes three 1321/installation via holes seven 142/installation via holes one 151) through a plurality of fixing bolts 16;
the front side member reinforcing plate patch 14 is connected to the flange III 131 of the front side member rear connecting plate 13 on the inner side (i.e., in the backward direction indicated by the arrow) through the third connecting region 14A, and is connected to the mounting hole II 106 and the mounting hole I101 of the safety mounting reinforcing plate 10 on the outer side (i.e., in the forward direction indicated by the arrow) through the third connecting region 14A.
The outer threshold 11 is connected with the A-pillar outer plate 12 and the A-pillar inner plate 15 in the inner and outer directions indicated by arrows through spot welding, and the safety clearance between the flanging (the flanging one 112/the flanging two 123/the flanging five 152) and the end surfaces (the third connecting surface 109) of the double-S-shaped structure of the two safety installation reinforcing plates 10 is at least 5mm, so that the safety clearance is used as a deformation clearance when SOB collision is received;
the third flange 131 of the front-side-beam rear-section connecting plate 13 is connected with the front-side-beam reinforcing plate patch 14 in the connecting area except the third connecting area 14A through one or more spot welds;
the safety mount reinforcing plate 10 may be made of steel material number HC340/590dp+z, and further, may have a thickness of 1.6mm or more.
In the structure of the safety installation reinforcing plate 10 in the shape of a Chinese character 'ji', the surfaces (the first connecting surface 107/the second connecting surface 108) can extend forward (namely, forward direction indicated by an arrow) under the condition that the envelope of the tyre is allowed, namely, the third connecting surface 109 moves forward as far as possible, the formed cavity is further enlarged, and the safety installation reinforcing plate 10 can participate in the stress earlier when the vehicle is subjected to the external force, so that the external force transmission and dispersion function are realized.
The safety installation reinforcing plate 10 extends outwards and backwards (namely outwards and backwards as shown by an arrow) on one or more surfaces or ribs 103 or the reinforcing characteristic surface 104 of the first connecting area 10A optionally so as to be attached to the side wall of the outer plate 12 of the A column, and the external force can be dispersed and transmitted through a larger force transmission area, so that the concentrated stress on the side wall connecting area (the second side wall connecting area 12A/the third side wall connecting area 12B) is reduced, and the structural stability is further enhanced;
the safety mount stiffener 10 extends on the second attachment area 10B with one or more faces or ribs 105 or reinforcing features 104 optionally extending inwardly and forwardly (i.e., inwardly and forwardly as shown by the arrows) to engage the front rail stiffener 14 except for the third attachment area 14A, and distributes and transmits external forces through a larger force transfer area, thereby reducing the concentrated stresses experienced by the sidewall attachment areas (the third attachment area 14A/the fourth attachment area 14B) and further enhancing structural stability.
The details not described in detail in this specification belong to the prior art known to those skilled in the art, all standard parts used by the standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, which are not described in detail.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the invention are intended to be equivalent substitutes and are included in the scope of the invention.
Claims (10)
1. An SOB anti-collision structure which can be used for the front part of a new energy automobile body,
including safety installation reinforcing plate (10), outer threshold (11), A post planking (12), A post inner panel (15), front longitudinal back end connecting plate (13) and front longitudinal reinforcing plate complement board (14), its characterized in that:
the safety installation reinforcing plate (10) comprises a first connection area (10A) and a second connection area (10B), wherein the first connection area (10A) passes through a second connection surface (108), a third connection surface (109) and a first connection surface (107) to reach the second connection area (10B), and the first connection area (10A), the second connection surface (108), the third connection surface (109), the first connection surface (107) and the second connection area (10B) form a cavity structure with a cross section of a shape like a Chinese character 'ji';
the outer threshold (11) comprises a side wall connecting area I (11A) extending to the front end, and a flanging I (112) is arranged at the front end of the side wall connecting area I (11A);
the A-pillar outer plate (12) comprises a side wall connecting area II (12A) and a side wall connecting area III (12B) which are positioned at the front end, and flanges II (123) are arranged at the front edges of the side wall connecting area II (12A) and the side wall connecting area III (12B);
the front longitudinal beam rear section connecting plate (13) comprises a flanging III (131) positioned at the front end, and a flanging IV (132) is arranged at the outer side edge of the flanging III (131);
the front longitudinal beam reinforcing plate patch (14) comprises a connecting area III (14A) positioned in the middle of the front side and a connecting area IV (14B) positioned on the outer side;
the A column inner plate (15) comprises a side wall connecting area IV (15A), and a turnup V (152) is arranged at the front edge of the side wall connecting area IV (15A);
the inner side of the A-pillar outer plate (12) is connected with a side wall connecting area I (11A) extending in front of the outer threshold (11) through a side wall connecting area II (12A), the inner side of the A-pillar outer plate (12) is connected with a flanging I (112) of the outer threshold (11) through a flanging II (123), and the outer side of the A-pillar outer plate (12) is connected with a connecting area I (10A) of the safety installation reinforcing plate (10) through a side wall connecting area II (12A) and a side wall connecting area III (12B);
the outer side of the A column inner plate (15) is connected with a connecting area IV (14B) of a front longitudinal beam reinforcing plate patch (14) through a side wall connecting area IV (15A), a flanging IV (132) of a front longitudinal beam rear section connecting plate (13) and a connecting area II (10B) of a safety installation reinforcing plate (10);
the inner side of the front longitudinal beam reinforcing plate patch (14) is connected with a flanging III (131) of the front longitudinal beam rear section connecting plate (13) through a connecting area III (14A), and the outer side of the front longitudinal beam reinforcing plate patch (14) is connected with the safety installation reinforcing plate (10) through the connecting area III (14A).
2. The SOB anti-collision structure according to claim 1, characterized in that: the first connecting area (10A) and the second connecting area (10B) are respectively provided with a mounting fixing hole (102), ribs (103) and a reinforcing characteristic surface (104), the ribs (103) and the reinforcing characteristic surfaces (104) are arranged between the mounting fixing holes (102), the ribs (103) and the reinforcing characteristic surfaces (104) on the first connecting area (10A) extend inwards from the boundary to the second connecting surface (108), and the ribs (103) and the reinforcing characteristic surfaces (104) on the second connecting area (10B) extend outwards from the boundary to the first connecting surface (107); the front part of the second connecting area (10B) extends inwards to form an extending area, a second mounting hole (106) is formed in the extending area, reinforcing ribs (105) are arranged in front of and behind the second mounting hole (106), and the reinforcing ribs (105) extend outwards to a first connecting surface (107) from the boundary of the extending area through the second connecting area (10B).
3. The SOB anti-collision structure according to claim 2, characterized in that: be equipped with a plurality of mounting holes III (111) on the lateral wall connection region one (11A) of outer threshold (11), be equipped with mounting hole IV (121), mounting hole V (122) on the lateral wall connection region two (12A) of A post planking (12), the lateral wall connection region III (12B) respectively, through a plurality of fixing bolt (16) fixed mounting fixed orifices (102), mounting hole IV (121), mounting hole III (111) and mounting hole V (122) between A post planking (12), safety installation reinforcing plate (10) and the outer threshold (11).
4. The SOB anti-collision structure according to claim 2, characterized in that: be equipped with a plurality of installation via holes one (151) on the lateral wall connecting region four (15A) of A post inner panel (15), be equipped with installation via holes two (1311), installation via holes three (1321) on turn-ups three (131), turn-ups four (132) of front longitudinal beam back end connecting plate (13) respectively, be equipped with a plurality of installation via holes six (141), installation via holes seven (142) on connecting region three (14A), connecting region four (14B) of front longitudinal beam reinforcing plate patch (14) respectively, be connected through a plurality of fixing bolt (16) fixed mounting fixed orifices (102), installation via holes six (1061), installation via holes three (1321), installation via holes seven (142) and installation via holes one (151) between A post inner panel (15), front longitudinal beam reinforcing plate patch (14), front longitudinal beam back end connecting plate (13) and safety installation reinforcing plate (10), the front longitudinal beam reinforcing plate patch (14) outside is through connecting region three (14A) and installation hole two (106) and installation hole one (101).
5. The SOB anti-collision structure according to claim 1, characterized in that: the outer threshold (11) is connected with the A-pillar outer plate (12) and the A-pillar inner plate (15) in the inner and outer directions through spot welding, and a safety gap between the first flanging (112), the second flanging (123), the fifth flanging (152) and the third connecting surface (109) of the 'several' -shaped structure of the two safety installation reinforcing plates (10) is at least 5mm, so that the safety gap is used as a deformation gap when SOB collision occurs.
6. The SOB anti-collision structure according to claim 1, characterized in that: the flange III (131) of the front longitudinal beam rear section connecting plate (13) is connected with the front longitudinal beam reinforcing plate patch (14) in a connecting area except the connecting area III (14A) through one or more spot welds; the safety installation reinforcing plate (10) is made of steel material with the steel material number of HC340/590DP+Z, and the thickness of the safety installation reinforcing plate is greater than or equal to 1.6mm.
7. The SOB anti-collision structure according to claim 1, characterized in that: in the structure of the U-shaped safety installation reinforcing plate (10), the first connecting surface (107) and the second connecting surface (108) extend forward further under the condition that the tire envelope is allowed, the third connecting surface (109) moves forward as far as possible, and the formed cavity is further enlarged.
8. The SOB anti-collision structure according to claim 2, characterized in that: the safety installation reinforcing plate (10) extends outwards and backwards on one or more surfaces or ribs (103) or reinforcing characteristic surfaces (104) of the first connecting area (10A) so as to be attached to the side wall of the outer plate (12) of the A column, and further concentrated stress suffered by the second connecting area (12A) and the third connecting area (12B) of the side wall is reduced.
9. The SOB anti-collision structure according to claim 2, characterized in that: the safety installation reinforcing plate (10) extends inwards and forwards on one or more surfaces or reinforcing ribs (105) or reinforcing characteristic surfaces (104) of the second connecting area (10B) so as to be attached to the reinforcing plate patch (14) of the front longitudinal beam except the third connecting area (14A), and concentrated stress on the third connecting area (14A) and the fourth connecting area (14B) is reduced.
10. An automobile, characterized in that: an SOB anti-collision structure comprising the vehicle body front portion of a new energy automobile as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310422456.6A CN116552647B (en) | 2023-04-19 | 2023-04-19 | SOB anti-collision structure capable of being used for front part of new energy automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310422456.6A CN116552647B (en) | 2023-04-19 | 2023-04-19 | SOB anti-collision structure capable of being used for front part of new energy automobile body |
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| CN116552647A CN116552647A (en) | 2023-08-08 |
| CN116552647B true CN116552647B (en) | 2023-10-10 |
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| CN202310422456.6A Active CN116552647B (en) | 2023-04-19 | 2023-04-19 | SOB anti-collision structure capable of being used for front part of new energy automobile body |
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| CN113562078A (en) * | 2021-07-29 | 2021-10-29 | 岚图汽车科技有限公司 | Vehicle body structure and vehicle |
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| DE102014112882A1 (en) * | 2014-09-08 | 2016-03-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vehicle body and method for producing such |
| JP2018070005A (en) * | 2016-10-31 | 2018-05-10 | ダイハツ工業株式会社 | Front pillar structure |
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| Publication number | Publication date |
|---|---|
| CN116552647A (en) | 2023-08-08 |
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