CN115320721A - Automobile body force transmission device and vehicle - Google Patents
Automobile body force transmission device and vehicle Download PDFInfo
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- CN115320721A CN115320721A CN202210855886.2A CN202210855886A CN115320721A CN 115320721 A CN115320721 A CN 115320721A CN 202210855886 A CN202210855886 A CN 202210855886A CN 115320721 A CN115320721 A CN 115320721A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims description 37
- 230000035939 shock Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 9
- 230000009545 invasion Effects 0.000 description 6
- 230000004083 survival effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- B62D25/082—Engine compartments
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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
- B62D25/04—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
- B62D27/00—Connections between superstructure or understructure sub-units
Abstract
The invention discloses a vehicle body force transmission device and a vehicle, and belongs to the technical field of vehicles. The body force transfer device includes: an upper boundary beam of the front engine room; the A column is connected with the upper edge beam of the front engine room; the sill beam is connected with the bottom of the A column; wherein the height of the top of the A-pillar is greater than the height of the top of the front nacelle roof side rail. The vehicle body force transmission device and the vehicle can effectively transmit collision load and ensure the safety of members in the vehicle.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle body force transmission device and a vehicle.
Background
Frontal collisions are the most common form of collision among all car crashes, and among the fatalities resulting from frontal collisions, 25% of the small offset crashes are the highest.
Therefore, many countries have introduced a front biased crash test into the development of passive safety for automobiles. Compared with the fuel oil vehicle, the electric vehicle with the same size is heavier by more than 10%, the corresponding collision energy is also larger, and the design requirement on the body structure of the electric vehicle is higher; meanwhile, the overlap of small offset collision and the vehicle body is only 25%, the main force transmission path (front longitudinal beam) of the vehicle body cannot participate in force transmission and energy absorption, so that the load on the passenger compartment is large, and the upper side beam and the A column of the front compartment become a main force transmission channel and an energy absorption structure.
However, in the prior art, after the vehicle is impacted, the front deck roof side rail transmits more impact load to the a-pillar roof side rail, so that the a-pillar roof side rail generates larger deformation, the maintenance economy is affected, and meanwhile, the safety of personnel in the vehicle is also affected.
Disclosure of Invention
The invention provides a vehicle body force transmission device and a vehicle, which solve or partially solve the technical problems that in the prior art, after the vehicle is impacted, a front cabin roof side rail transmits more impact load to an A-column roof side rail, so that the A-column roof side rail generates larger deformation, and meanwhile, the safety of personnel in the vehicle is influenced.
In order to solve the above technical problem, the present invention provides a force transfer device comprising: an upper boundary beam of the front engine room; the A column is connected with the upper edge beam of the front engine room; the sill beam is connected with the bottom of the A column; wherein the height of the top of the A-pillar is greater than the height of the top of the front nacelle roof side rail.
Further, the top surface of the front nacelle roof side rail is horizontal in the longitudinal direction.
Further, the a-pillar includes: the upper section of the A column is connected with the upper edge beam of the front engine room; and the lower section of the A column is connected with the upper section of the A column and the threshold beam, and the width of the lower section of the A column is smaller than that of the upper section of the A column.
Furthermore, an energy absorption hole and/or a reinforcing piece are/is arranged on the upper section of the A column.
Furthermore, the inner side and the outer side of the upper section of the A column are both provided with the energy absorption holes, and the positions of the energy absorption holes on the inner side and the outer side of the upper section of the A column are opposite
Further, the front cabin upper edge beam and the energy absorption hole have an overlapped part along the vertical direction
Further, the a-pillar includes: the first inner plate is provided with a first cavity and is connected with the front cabin upper edge beam and the threshold beam; the first outer plate is provided with a second cavity communicated with the first cavity, and the first outer plate is connected with the first inner plate and connected with the front cabin upper side beam and the threshold beam.
Further, the front nacelle roof side rail includes: the second inner plate is provided with a third chamber and is connected with the A column; and the second outer plate is provided with a fourth cavity communicated with the third cavity, and the second outer plate is connected with the second inner plate and is connected with the A column.
Further, the first end of second inner panel is along the vertical first scrap (bridge) that is equipped with, the first end of second planking is along the vertical second scrap (bridge) that is equipped with, first scrap (bridge) with the laminating of second scrap (bridge) looks, the second end of second inner panel is along the vertical third scrap (bridge) that is equipped with, the second end of second planking is along the vertical fourth scrap (bridge) that is equipped with, the third scrap (bridge) with the laminating of fourth scrap (bridge) looks.
Further, the force transfer device further comprises: the shock absorption tower is connected with the upper edge beam of the front engine room; the launder connecting plate is connected with the shock absorption tower and is opposite to the upper edge beam of the front engine room; the water flowing channel reinforcing beam is connected with the shock absorption tower, is opposite to the upper edge beam of the front engine room and is parallel to the water flowing channel connecting plate.
Based on the same inventive concept, the application also provides a vehicle comprising the force transmission device.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the top of A post is equipped with A post roof beam among the prior art, and moreover, A post roof beam is comparatively fine for the A post, and the vehicle receives the striking back, and the collision load that A post roof beam received is great, and induced deformation takes place easily for the A post roof beam, the situation of buckling appears, and the A post roof beam invades to the cockpit, leads to A post roof beam invasion volume big, and it is more to invade to account for passenger cabin space, influences personnel's safety in the car.
Because the A pillar is connected with the upper edge beam of the front engine room, the doorsill beam is connected with the bottom of the A pillar, the top of the A pillar is provided with the A pillar upper edge beam, the A pillar upper edge beam is fine relative to the A pillar, when a vehicle is subjected to longitudinal impact force of small offset collision, the height of the top of the A pillar is larger than that of the top of the front engine room upper edge beam, so that a step is formed between the top of the A pillar and the top of the front engine room upper edge beam, collision load received by the front engine room upper edge beam is transmitted to the A pillar, the collision load transmitted to the A pillar upper edge beam is reduced, the deformation of the A pillar upper edge beam bending towards the passenger room is reduced, the maintenance economy is ensured, the intrusion of the A pillar upper edge beam towards the driving cabin is reduced, the intrusion of the passenger room space is reduced, meanwhile, the front engine room upper edge beam transmits the collision load to the A pillar, the A pillar transmits the collision load to the doorsill beam, the A pillar shares the collision load through the A pillar and the collision load is transmitted to the doorsill beam, the doorsill beam is shared by the A pillar, the rescue personnel can open the rescue vehicle door, the survival rate of the rescue vehicle is improved, and the survival rate of the rescue vehicle is improved.
Drawings
FIG. 1 is a left side view of a vehicle body force transfer device provided by an embodiment of the present invention;
FIG. 2 is an axial view of the body force transfer device of FIG. 1;
FIG. 3 is a cross-sectional view of the column A of FIG. 1;
fig. 4 is a cross-sectional view of the upper side sill of the front nacelle in fig. 1.
Detailed Description
Referring to fig. 1-2, a force transmission device for a vehicle body according to an embodiment of the present invention includes: front engine room roof side rail 1, A post 2 and threshold roof beam 3.
The A column 2 is connected with the upper boundary beam 1 of the front engine room;
the sill beam 3 is connected with the bottom of the A-pillar 2;
wherein the height of the top of the A column 2 is greater than that of the top of the front cabin roof side rail 1.
The top surface of the front nacelle roof side rail 1 is horizontal in the longitudinal direction.
In prior art, the top of A post is equipped with A post roof beam, and moreover, A post roof beam is comparatively thin for the A post, and the vehicle receives the striking back, and the collision load that A post roof beam received is great, and induced deformation takes place easily for the A post roof beam, the situation of buckling appears, and the A post roof beam invades to the cockpit, leads to A post roof beam invasion volume big, invades to account for passenger compartment space more, influences personnel's safety in the car.
Because the A-pillar 2 is connected with the front cabin roof side rail 1, and the threshold beam 3 is connected with the bottom of the A-pillar 2, when a vehicle is subjected to longitudinal impact force of small offset collision, the height of the top of the A-pillar 2 is larger than that of the top of the front cabin roof side rail 1, so that a step is formed between the top of the A-pillar 2 and the top of the front cabin roof side rail 1, so that collision load borne by the front cabin roof side rail 1 is transmitted to the A-pillar 2, the collision load transmitted to the A-pillar roof side rail 4 is reduced, the deformation amount of the A-pillar roof side rail 4 bending towards the passenger cabin is reduced, the maintenance economy is ensured, the invasion amount of the A-pillar roof side rail 4 to the cab is reduced, the invasion amount of the passenger cabin space is reduced, meanwhile, the front cabin roof side rail 1 transmits the collision load to the A-pillar 2,A to transmit the collision load to the threshold beam 3, the A-pillar 2 and the threshold beam 3 share the collision load to reduce the deformation amount, so that people can open the threshold beam to rescue the vehicle door opening, and the survival rate of the vehicle is improved, and the safety of the vehicle is ensured.
In some embodiments, the height of the top of the a-pillar 2 is 30-100mm greater than the height of the top of the front cabin roof side rail 1, and it is preferable that the height of the top of the a-pillar 2 is 80mm greater than the height of the top of the front cabin roof side rail 1 from the viewpoint of vehicle styling.
After the vehicle received the striking among the prior art, there is the flexion in preceding cabin roof side rail 1, and this flexion is weak department promptly, takes place the induced deformation easily, the situation of buckling appears, leads to the unable transmission collision load of preceding cabin roof side rail, and collision load can direct action in passenger cabin, produces following problem:
1, an upper side beam of a front cabin is bent, so that the maintenance economy is influenced, and meanwhile, the safety of personnel in a vehicle is also influenced;
2, the deformation of the door opening is large, so that the door cannot be opened, and rescue is influenced;
3, the intrusion amount of the framework cross beam is large, so that more space is occupied in a passenger compartment, and the safety of members in the vehicle is influenced;
the 4,A column upper side beam 4 is large in collision load, bends towards the passenger compartment, occupies more space of the passenger compartment, and affects the safety of finished passengers in the vehicle.
In some embodiments, the top surface of the front cabin roof side rail 1 is in a horizontal state along the longitudinal direction, no bending part exists, no induced deformation occurs, no bending condition occurs, maintenance economy is guaranteed, meanwhile, collision load can be effectively transmitted to the A pillar 2,A pillar 2 to transmit the collision load to the threshold beam 3, the collision load is shared by the A pillar 2 and the threshold beam 3, collision load borne by a passenger cabin is reduced, deformation of a door opening is reduced, a rescuer can open a vehicle door to rescue an in-vehicle member, survival rate of the in-vehicle member is improved, intrusion amount of a framework cross beam is reduced, meanwhile, bending deformation of the A pillar roof side rail 4 into the passenger cabin is reduced, intrusion amount of a space of the passenger cabin is reduced, safety of small offset collision of the vehicle is improved, and safety of the in-vehicle member is guaranteed.
In some embodiments, because the rocker beam 3 is thicker than the a-pillar 2 and has higher rigidity than the a-pillar 2, the rocker beam 3 can sufficiently bear collision load to ensure the safety of passengers in the vehicle, the rocker beam 3 also reduces the collision load of a rigid barrier to the a-pillar roof beam 4 which is thinner than the a-pillar 2, reduces the bending deformation of the a-pillar roof beam 4 to the passenger compartment, reduces the intrusion amount of the space invading the passenger compartment, improves the safety of small offset collision of the vehicle, and ensures the safety of passengers in the vehicle.
In some embodiments, in order to guarantee the structural strength of threshold roof beam 3, threshold roof beam 3 has been seted up and has been held the chamber, holds the intracavity and is provided with two longerons, two longerons staggered arrangement to with the interior wall connection who holds the chamber, in order to guarantee threshold roof beam 3's structural strength. In the present embodiment, the material of the side member may be an aluminum alloy.
In the present embodiment, the two longitudinal beams may form a cross-shaped structure to secure the structural strength of the rocker beam 3. Of course, in other embodiments, the two longitudinal beams may form an "X" structure to secure the structural strength of the rocker beam 3. However, from the viewpoint of ease of processing and assembly, it is preferable that the two longitudinal beams form a cross-shaped structure.
In some embodiments, the a-pillar 2 comprises: an upper section 2-1 of the column A and a lower section 2-2 of the column A.
The upper section 2-1 of the A column is connected with the upper boundary beam 1 of the front engine room.
The lower A-pillar section 2-2 is connected with the upper A-pillar section 2-1 and the threshold beam 3. That is, one end of the lower a-pillar section 2-2 is connected to the upper a-pillar section 2-1, and the other end is connected to the rocker beam 3. The width of the lower section 2-2 of the column A is smaller than that of the upper section 2-1 of the column A.
In the embodiment, when a vehicle is subjected to the longitudinal impact force of small offset collision, the front cabin roof side rail 1 transmits the collision load to the A-pillar upper section 2-1, and the width of the A-pillar lower section 2-2 is smaller than that of the A-pillar upper section 2-1, so that the A-pillar upper section 2-1 can be crushed and absorb energy, the collision load transmitted to a passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, and the safety of members in the vehicle is ensured. Then, the collision load is transmitted to the threshold beam 3 by the A-pillar upper section 2-1, the collision load is shared by the A-pillar upper section 2-1, the A-pillar lower section 2-2 and the threshold beam 3, so that the collision load borne by a passenger compartment is reduced, the deformation of a door opening is reduced, a rescuer can open a vehicle door to rescue a vehicle adult, the survival rate of the vehicle adult is improved, the intrusion of a framework beam is reduced, the deformation of the A-pillar upper beam 4 bending towards the passenger compartment is reduced, the intrusion of the space of the passenger compartment is reduced, the safety of small offset collision of the vehicle is improved, and the safety of the vehicle adult is ensured.
In the embodiment, in order to enable the upper section 2-1 of the A-pillar to perform better crushing energy absorption, the upper section 2-1 of the A-pillar is provided with energy absorption holes 2-11 and/or reinforcements 2-12 so as to absorb energy through the collapse of the energy absorption holes 2-11, and the structural strength of the upper section 2-1 of the A-pillar is improved through the reinforcements 2-12. In the embodiment, the upper section 2-1 of the A column is only provided with the energy absorption holes 2-11, or the upper section 2-1 of the A column is only provided with the reinforcing pieces 2-12, of course, in other embodiments, the upper section 2-1 of the A column can be provided with the energy absorption holes 2-11, or the reinforcing pieces 2-12.
In the embodiment, in order to enable the upper section 2-1 of the A column to perform better crushing energy absorption, the inner side and the outer side of the upper section 2-1 of the A column are respectively provided with the energy absorption holes 2-11, the positions of the energy absorption holes on the inner side and the outer side of the upper section 2-1 of the A column are opposite, when a vehicle is subjected to longitudinal impact force of small offset collision, the upper side beam 1 of the front cabin transmits collision load to the energy absorption holes 2-11 of the upper section 2-1 of the A column 2-1,A column for crushing energy absorption, so that the collision load transmitted to the passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, the safety of the small offset collision of the vehicle is ensured, the safety of an adult in the vehicle is ensured, meanwhile, the deformation amount of the upper side beam 4 of the A column bending towards the passenger cabin is reduced, the intrusion amount of the space occupying the passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, and the safety of the adult in the vehicle is ensured.
In the embodiment, in order to enable the upper section 2-1 of the A column to perform better crushing energy absorption, the upper side beam of the front cabin and the energy absorption holes are provided with overlapped parts along the vertical direction, when a vehicle is subjected to longitudinal impact force of small offset collision, the upper side beam 1 of the front cabin transmits collision load to the upper section 2-1 of the A column, so that the collision load can be transmitted to the energy absorption holes 2-11, the energy absorption holes 2-11 of the upper section 2-1 of the A column perform crushing energy absorption, the collision load transmitted to a passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, the safety of an adult in the vehicle is ensured, meanwhile, the deformation amount of the upper side beam 4 of the A column bending towards the passenger cabin is reduced, the intrusion amount of the space of the passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, and the safety of the adult in the vehicle is ensured.
In the embodiment, the upper section 2-1 of the A column is extruded and deformed, after the crushing and energy absorption are carried out, most of load is transmitted to the sill beam 3 connected with the bottom of the lower section 2-2 of the A column through a front wheel tire between the barrier and a vehicle body, the sill beam 3 is thicker than the A column 2, and the rigidity is higher than the A column 2, so that the collision load of the rigid barrier to the upper beam 4 of the A column is further reduced, the upper beam 4 of the A column is prevented from being bent towards the passenger compartment, the space of the passenger compartment is prevented from being occupied, the safety of small offset collision of the vehicle is improved, and the safety of members in the vehicle is ensured.
Referring to fig. 3, in some embodiments, the a-pillar 2 includes: a first inner panel 2-3 and a first outer panel 2-4.
The first inner plate 2-3 is provided with a first cavity and is connected with the front cabin roof side rail 1 and the threshold beam 3.
The first outer plate 2-4 is provided with a second cavity communicated with the first cavity, and the first outer plate 2-4 is connected with the first inner plate 2-3 and is connected with the front cabin upper side beam 1 and the threshold beam 3.
In this embodiment, the first chamber has a first opening, the second chamber has a second opening, the first opening is opposite to the second opening, so that the first chamber is communicated with the second chamber, the first inner plate 2-3 and the first outer plate 2-4 form a square structure, the structural strength of the a-pillar 2 can be ensured, meanwhile, an energy absorption area can be formed through the first chamber and the second chamber, when the vehicle is subjected to a longitudinal impact force of a small offset collision, that is, when the first inner plate 2-3 and the first outer plate 2-4 are impacted, energy absorption can be performed, the collision load is prevented from being transmitted to the passenger compartment, meanwhile, the first inner plate 2-3 and the first outer plate 2-4 are prevented from invading the passenger compartment, the space of the passenger compartment is ensured, the safety of the small offset collision of the vehicle is improved, and the safety of the passengers in the vehicle is ensured.
In this embodiment, the front cabin roof side rail 1 can effectively transmit the collision load to the first inner plate 2-3 and the first outer plate 2-4, the first inner plate 2-3 and the first outer plate 2-4 transmit the collision load to the threshold beam 3, the collision load is shared by the first inner plate 2-3, the first outer plate 2-4 and the threshold beam 3, so that the collision load borne by the passenger cabin is reduced, the deformation of the door opening is reduced, a rescuer can open the vehicle door to rescue the vehicle interior member, the survival rate of the vehicle interior member is improved, the intrusion amount of the framework cross beam is reduced, the A-column roof side rail 4 is prevented from being bent towards the passenger cabin, the safety of small offset collision of the vehicle is improved, and the safety of the vehicle interior member is ensured.
In this embodiment, a first end of the first inner plate 2-3 is provided with a first wing plate 2-31, a first end of the first outer plate 2-4 is provided with a second wing plate 2-41, the first wing plate 2-31 is connected with the second wing plate 2-41, a second end of the first inner plate 2-3 is provided with a third wing plate 2-32, a first end of the first outer plate 2-4 is provided with a fourth wing plate 2-42, and the third wing plate 2-32 is connected with the fourth wing plate 2-42, so as to facilitate the connection of the first inner plate 2-3 and the first outer plate 2-4.
In the present embodiment, the first wing plate 2-31 is attached to the second wing plate 2-41 and can be connected by welding, so as to ensure that the first wing plate 2-31 is firmly connected to the second wing plate 2-4. The third wing plate 2-32 is jointed with the fourth wing plate 2-42 and can be connected in a welding mode, so that the third wing plate 2-32 and the fourth wing plate 2-42 are firmly connected.
In the present embodiment, in order to secure the structural strength of the a-pillar 2, the material of the first inner panel 2-3 may be ultra-high strength steel, and the material of the first outer panel 2-4 may be hot formed steel.
Referring to fig. 4, in some embodiments, the front nacelle roof side rail 1 includes: a second inner panel 1-1 and a second outer panel 1-2.
The second inner plate 1-1 is provided with a third chamber which is connected with the A column 2. In the present embodiment, the second inner panel 1-1 is joined to the first inner panel 2-3 of the a-pillar 2.
The second outer plate 1-2 is provided with a fourth cavity communicated with the third cavity, and the second outer plate 1-2 is connected with the second inner plate 1-1 and connected with the A column 2. In the present embodiment, the second outer panel 1-2 is connected to the first outer panel 2-4 of the a-pillar 2.
In this embodiment, the third chamber has a third opening, the second chamber has a fourth opening, the third opening is opposite to the fourth opening, so that the third chamber and the fourth chamber are communicated, and the second inner plate 1-1 and the second outer plate 1-2 form a square structure, which can ensure the structural strength of the roof side beam 1 of the front cabin, and at the same time, an energy absorption area can be formed through the first chamber and the second chamber, when the vehicle is subjected to a longitudinal impact force of a small offset collision, that is, when the second inner plate 1-1 and the second outer plate 1-2 are impacted, the energy absorption can be performed, so as to avoid transmitting the collision load to the passenger cabin, and simultaneously, the second inner plate 1-1 and the second outer plate 1-2 are prevented from invading the passenger cabin, so as to ensure the space of the passenger cabin, improve the safety of the small offset collision of the vehicle, and ensure the safety of the passengers in the vehicle.
In the embodiment, in order to realize the adjustment of the upper hinge of the front cabin upper side beam 1, the first end of the second inner plate 1-1 is vertically provided with a first overlap 1-11, the first end of the second outer plate 1-2 is vertically provided with a second overlap 1-21, the first overlap 1-11 is jointed with the second overlap 1-21, the second end of the second inner plate 1-1 is vertically provided with a third overlap 1-12, the second end of the second outer plate 1-2 is vertically provided with a fourth overlap 1-22, the third overlap 1-12 is jointed with the fourth overlap 2-12, the second overlap 1-21 can be vertically slid on the first overlap 1-11, the fourth overlap 2-12 can be vertically slid on the third overlap 1-12, the first overlap 1-11 and the third overlap 1-12 can be prevented from interfering with the second overlap 1-21 and the fourth overlap 2-12, the adjustment of the front cabin upper side beam 1 and the adjustment of the upper hinge of the front cabin upper side beam 1 can be effectively realized, and the size of the hinge can be effectively ensured. When the adjustment of the upper hinge of the upper boundary beam 1 of the front engine room is finished, the first lap 1-11 and the second lap 1-21 can be welded to ensure that the first lap 1-11 and the second lap 1-21 are firmly connected, the fourth lap 2-12 and the third lap 1-12 are welded to ensure that the fourth lap 2-12 and the third lap 1-12 are firmly connected.
In the present embodiment, in order to ensure the structural strength of the front nacelle roof side rail 1, the second inner panel 1-1 and the second outer panel 1-2 may be made of ultra-high strength steel.
In this embodiment, the body force transfer device further comprises: a shock absorption tower 5 and a launder connecting plate 6.
The damper tower 5 is connected to the front nacelle roof side rail 1 to support the damper tower 5 through the front nacelle roof side rail 1. The shock tower 5 may carry a front suspension.
The launder connecting plate 6 is connected with the damping tower 5 and is opposite to the front engine room upper boundary beam 1, and when raining, water flow is discharged to two sides of the front engine room through the launder connecting plate 6, so that the water flow is prevented from entering the front engine room. In this embodiment, the gutter connecting plate 6 is connected to the skirt assembly.
In this embodiment, when the front nacelle roof side rail 1 is impacted, the front nacelle roof side rail 1 can be pulled by the launder connecting plate 6 and the shock tower 5, so that the front nacelle roof side rail 1 is prevented from rotationally deviating in the X direction and the Y direction, the invasion amount of the front nacelle roof side rail 1 into the passenger compartment is reduced, the space of the passenger compartment is ensured, the safety of small offset collision of the vehicle is improved, and the safety of the passengers in the vehicle is ensured.
In this embodiment, the vehicle body force transfer device further includes a launder reinforcing beam 7 connected to the shock tower 5, the launder reinforcing beam 7 is opposite to the front cabin roof side beam 1 and is parallel to the launder connecting plate 6, and the launder reinforcing beam 7 is connected to the shroud assembly to ensure the connection strength between the launder connecting plate 6 and the shock tower 5.
In the embodiment, when the front cabin roof side rail 1 is impacted, the front cabin roof side rail 1 can be pulled through the launder connecting plate 6, the launder reinforcing beam 7 and the shock absorber 5, so that the front cabin roof side rail 1 is prevented from rotationally deviating in the X direction and the Y direction, the invasion amount of the front cabin roof side rail 1 into the passenger cabin is reduced, the space of the passenger cabin is ensured, the safety of small offset collision of a vehicle is improved, and the safety of passengers in the vehicle is ensured.
In this embodiment, the automobile body force transfer device further comprises a front wheel cover 8 connected with the shock absorption tower 5, the front wheel cover 8 is beneficial to cooling of a brake system, the air flow blocking effect can be achieved, the air flow passing through the center of the tire and sent to the two sides is effectively controlled, the phase change of the automobile tail which needs more air flows is increased in the air flow conveying amount, and the air flow utilization rate is improved.
Based on the same inventive concept, the application also provides a vehicle, the vehicle adopts the vehicle body force transmission device, the specific structure of the vehicle body force transmission device refers to the above embodiments, and all technical solutions of all the above embodiments are adopted, so that at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and further description is omitted.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A vehicle body force transfer device, comprising:
an upper boundary beam of the front engine room;
the A column is connected with the upper edge beam of the front engine room;
the sill beam is connected with the bottom of the A column;
wherein the height of the top of the A-pillar is greater than the height of the top of the front nacelle roof side rail.
2. The vehicle body force transfer device of claim 1, wherein the top surface of the front nacelle roof rail is longitudinally horizontal.
3. A body force transfer device according to claim 1, wherein the a-pillar comprises:
the upper section of the A column is connected with the upper edge beam of the front engine room;
the lower A-pillar section is connected with the upper A-pillar section and connected with the threshold beam, and the width of the lower A-pillar section is smaller than that of the upper A-pillar section.
4. The vehicle body force transmission device of claim 3, wherein the upper section of the A-pillar is provided with an energy absorption hole and/or a reinforcement.
5. The vehicle body force transmission device according to claim 4, wherein the energy absorption holes are arranged on the inner side and the outer side of the upper section of the A column, and the energy absorption holes on the inner side and the outer side of the upper section of the A column are opposite.
6. The body force transfer device of claim 4, wherein the front cabin roof rail and the energy absorbing aperture have an overlap in a vertical direction.
7. A vehicle body force transfer device according to any of claims 1-6, wherein the A-pillar comprises:
the first inner plate is provided with a first cavity and is connected with the front cabin upper edge beam and the threshold beam;
the first outer plate is provided with a second cavity communicated with the first cavity, and the first outer plate is connected with the first inner plate and connected with the front cabin upper side beam and the threshold beam.
8. A vehicle body force transfer device according to any of claims 1-6, wherein the front nacelle roof rail comprises:
the second inner plate is provided with a third chamber and is connected with the A column;
the second outer plate is provided with a fourth cavity communicated with the third cavity, and the second outer plate is connected with the second inner plate and connected with the A column;
the first end of the second inner plate is vertically provided with a first overlap edge, the first end of the second outer plate is vertically provided with a second overlap edge, the first overlap edge is attached to the second overlap edge, the second end of the second inner plate is vertically provided with a third overlap edge, the second end of the second outer plate is vertically provided with a fourth overlap edge, and the third overlap edge is attached to the fourth overlap edge.
9. A force transfer device for a vehicle body according to any of claims 1-6, further comprising:
the shock absorption tower is connected with the upper edge beam of the front engine room;
and the launder connecting plate is connected with the shock absorption tower and is opposite to the upper side beam of the front engine room.
The water flowing channel reinforcing beam is connected with the shock absorption tower, is opposite to the upper edge beam of the front engine room and is parallel to the water flowing channel connecting plate.
10. A vehicle comprising a body force transfer device according to any of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210855886.2A CN115320721B (en) | 2022-07-20 | 2022-07-20 | Vehicle body force transmission device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210855886.2A CN115320721B (en) | 2022-07-20 | 2022-07-20 | Vehicle body force transmission device and vehicle |
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| CN115320721A true CN115320721A (en) | 2022-11-11 |
| CN115320721B CN115320721B (en) | 2024-01-09 |
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| JP2009107445A (en) * | 2007-10-29 | 2009-05-21 | Honda Motor Co Ltd | Front structure of vehicle body |
| CN108001537A (en) * | 2017-03-31 | 2018-05-08 | 长城汽车股份有限公司 | Vehicle body and vehicle |
| CN209776362U (en) * | 2018-12-29 | 2019-12-13 | 江苏敏安电动汽车有限公司 | Automobile energy absorption box and automobile |
| US20200062310A1 (en) * | 2017-03-31 | 2020-02-27 | Great Wall Motor Company Limited | Vehicle body and vehicle |
| CN212861645U (en) * | 2020-07-20 | 2021-04-02 | 长城汽车股份有限公司 | Force transmission structure at front part of vehicle body and vehicle body with same |
| CN215883825U (en) * | 2021-09-09 | 2022-02-22 | 张家港长城汽车研发有限公司 | Force transmission structure at front part of vehicle body and vehicle |
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| JP2009107445A (en) * | 2007-10-29 | 2009-05-21 | Honda Motor Co Ltd | Front structure of vehicle body |
| CN108001537A (en) * | 2017-03-31 | 2018-05-08 | 长城汽车股份有限公司 | Vehicle body and vehicle |
| US20200062310A1 (en) * | 2017-03-31 | 2020-02-27 | Great Wall Motor Company Limited | Vehicle body and vehicle |
| CN209776362U (en) * | 2018-12-29 | 2019-12-13 | 江苏敏安电动汽车有限公司 | Automobile energy absorption box and automobile |
| CN212861645U (en) * | 2020-07-20 | 2021-04-02 | 长城汽车股份有限公司 | Force transmission structure at front part of vehicle body and vehicle body with same |
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| CN115320721B (en) | 2024-01-09 |
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