CN115320721B - Vehicle body force transmission device and vehicle - Google Patents
Vehicle body force transmission device and vehicle Download PDFInfo
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- CN115320721B CN115320721B CN202210855886.2A CN202210855886A CN115320721B CN 115320721 B CN115320721 B CN 115320721B CN 202210855886 A CN202210855886 A CN 202210855886A CN 115320721 B CN115320721 B CN 115320721B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000009545 invasion Effects 0.000 description 13
- 238000005452 bending Methods 0.000 description 12
- 230000035939 shock Effects 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000004083 survival effect Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 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
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect 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
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 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
- B62D25/08—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
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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 discloses a vehicle body force transmission device and a vehicle, and belongs to the technical field of vehicles. The vehicle body force transmission device comprises: a front cabin roof rail; the A column is connected with the front cabin upper boundary beam; the threshold beam is connected with the bottom of the A column; the height of the top of the A column is larger than that of the top of the front cabin roof side rail. The vehicle body force transmission device and the vehicle can effectively transmit collision load, and ensure the safety of personnel 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, while 25% of the small offset collisions are the highest among the dead crashes caused by frontal collisions.
Therefore, many countries introduce frontal small-bias crash tests into the development of passive safety for automobiles. The preparation quality of the electric vehicle with the same size is more than 10 percent of that of the fuel vehicle, so that the corresponding collision energy is larger, and the design requirement on the body structure of the electric vehicle is higher; meanwhile, the overlap of the small offset collision and the vehicle body is only 25%, and a main force transmission path (front longitudinal beam) of the vehicle body cannot participate in force transmission and energy absorption, so that the passenger cabin is subjected to larger load, and the front cabin upper boundary beam and the A column form a main force transmission channel and energy absorption structure.
However, in the prior art, after the vehicle is impacted, the front cabin roof side rail transmits more collision load to the A-pillar roof side rail, so that the A-pillar roof side rail generates larger deformation, the maintenance economy is influenced, and meanwhile, the safety of personnel in the vehicle is also influenced.
Disclosure of Invention
The invention provides a vehicle body force transmission device and a vehicle, which solve or partially solve the technical problems that after the vehicle is impacted in the prior art, the front cabin upper side beam transmits more collision load to the A-pillar upper side beam, so that the A-pillar upper side beam generates larger deformation and the safety of personnel in the vehicle is influenced.
In order to solve the above technical problems, the present invention provides a force transmission device, including: a front cabin roof rail; the A column is connected with the front cabin upper boundary beam; the threshold beam is connected with the bottom of the A column; the height of the top of the A column is larger than that of the top of the front cabin roof side rail.
Further, the top surface of the front cabin roof side rail is in a horizontal state along the longitudinal direction.
Further, the a-pillar comprises: the upper section of the A column is connected with the upper boundary beam of the front cabin; 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.
Further, an energy absorption hole and/or a reinforcing piece are/is formed in the upper section of the A column.
Further, the energy absorbing holes are arranged on the inner side surface and the outer side surface of the upper section of the A column, and the positions of the energy absorbing holes on the inner side surface and the outer side surface of the upper section of the A column are opposite
Further, in the vertical direction, the front cabin roof rail and the energy absorption hole have an overlapping part
Further, the a-pillar comprises: the first inner plate is provided with a first cavity and is connected with the front cabin upper boundary beam and the threshold beam; the first outer plate is provided with a second cavity communicated with the first cavity, is connected with the first inner plate and is connected with the front cabin roof side rail and the threshold beam.
Further, the front cabin roof side rail includes: the second inner plate is provided with a third cavity and is connected with the A column; and the second outer plate is provided with a fourth chamber communicated with the third chamber, is connected with the second inner plate and is connected with the A column.
Further, the first end of the second inner plate is vertically provided with a first bonding edge, the first end of the second outer plate is vertically provided with a second bonding edge, the first bonding edge is attached to the second bonding edge, the second end of the second inner plate is vertically provided with a third bonding edge, the second end of the second outer plate is vertically provided with a fourth bonding edge, and the third bonding edge is attached to the fourth bonding edge.
Further, the force transfer device further comprises: the damping tower is connected with the upper boundary beam of the front engine room; the water flow groove connecting plate is connected with the damping tower and is opposite to the upper boundary beam of the front engine room; and the launder stiffening beam is connected with the damping tower, is opposite to the front cabin upper edge beam and is parallel to the launder connecting plate.
Based on the same inventive concept, the present application also provides a vehicle comprising said force transfer device.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the roof of A post is equipped with A post roof side rail among the prior art, and A post roof side rail is comparatively fine for A post, and the collision load that the vehicle received is great for the back of striking on the A post roof side rail, and the condition of buckling appears in the easy emergence induction deformation of A post roof side rail, and the roof side rail invades in the cockpit on the A post, leads to A post roof side rail invasion volume big, and it is more to invade passenger cabin space, influences the interior personnel safety of car.
Because the A column is connected with the upper boundary beam of the front engine room, the threshold beam is connected with the bottom of the A column, the top of the A column is provided with the upper boundary beam of the A column, and the upper boundary beam of the A column is relatively slim relative to the A column, when the vehicle is subjected to the longitudinal impact force of small offset collision, the height of the top of the A column is larger than that of the upper boundary beam of the front engine room, so that a step is formed between the top of the A column and the top of the upper boundary beam of the front engine room, the collision load born by the upper boundary beam of the front engine room is transferred to the A column, the collision load transferred to the upper boundary beam of the A column is reduced, the bending deformation amount of the upper boundary beam of the A column to the passenger cabin is reduced, the maintenance economy is guaranteed, the invasion amount of the roof side rail of the A column to the cockpit is reduced, the invasion amount of the passenger cabin is reduced, meanwhile, the roof side rail of the front cabin transmits collision load to the A column, the A column transmits the collision load to the threshold beam, the A column and the threshold Liang Fendan collide the load, so that the collision load born by the passenger cabin is reduced, the deformation of a door opening is reduced, a rescue worker can open a door, personnel in the automobile can be rescued, the survival rate of the personnel in the automobile is improved, the safety of small offset collision of the automobile is improved, and the safety of the personnel in the automobile is guaranteed.
Drawings
Fig. 1 is a left side view of a vehicle body force transmission 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 front cabin roof rail of fig. 1.
Detailed Description
Referring to fig. 1-2, a vehicle body force transmission device provided by an embodiment of the present invention includes: front cabin roof side rail 1, a-pillar 2 and rocker 3.
The A column 2 is connected with a front cabin roof side rail 1;
the threshold beam 3 is connected with the bottom of the A column 2;
wherein the height of the top of the a-pillar 2 is greater than the height of the top of the front cabin roof side rail 1.
The top surface of the front cabin roof side rail 1 is in a horizontal state in the longitudinal direction.
In the prior art, the roof of A post is equipped with A post roof side rail, and A post roof side rail is comparatively fine for A post, and the collision load that the vehicle received behind the striking on A post roof side rail is great, and the condition of buckling appears in the easy emergence induction deformation of A post roof side rail, and A post roof side rail invades in the cockpit, leads to A post roof side rail invasion volume big, and it is more to invade passenger cabin space, influences the interior personnel safety of car.
Because the A column 2 is connected with the front cabin roof side rail 1, the threshold beam 3 is connected with the bottom of the A column 2, therefore, when the vehicle receives the longitudinal impact force of a small offset collision, the height of the top of the A column 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 column 2 and the top of the front cabin roof side rail 1, the collision load received by the front cabin roof side rail 1 is transferred to the A column 2, the collision load transferred to the A column roof side rail 4 is reduced, the deformation amount of the A column roof side rail 4 bent into the passenger cabin is reduced, the maintenance economy is ensured, the invasion amount of the A column roof side rail 4 into the cab is reduced, the invasion amount of the passenger cabin is reduced, meanwhile, the A column 2 transfers the collision load to the door beam 3, and the collision load received by the A column 2 and the threshold beam 3 is shared, so that the collision load received by the passenger cabin is reduced, the door opening deformation amount is reduced, the rescue personnel can open the door opening, the survival rate of the vehicle is improved, the safety of the vehicle is improved, and the safety of the vehicle is ensured, and the safety of the rescue personnel is increased.
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 rail 1, and from the perspective of vehicle styling, 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 rail 1.
After the vehicle is impacted in the prior art, the front cabin upper side beam 1 is provided with a bending part, the bending part is a weak part, the bending part is easy to induce deformation, the bending state occurs, the front cabin upper side beam cannot transmit collision load, the collision load can directly act on the passenger cabin, and the following problems are caused:
1, the upper boundary beam of the front cabin is bent, so that the maintenance economy is influenced, and meanwhile, the safety of personnel in the vehicle is also influenced;
2, the deformation of the door opening is large, so that the door cannot be opened, and rescue is affected;
3, the intrusion amount of the skeleton beam is large, the intrusion amount occupies more passenger cabin space, and the safety of the personnel in the vehicle is affected;
and 4, the collision load born by the upper side beam 4 of the A column is larger, the upper side beam is bent into the passenger cabin, and occupies more passenger cabin space, so that the safety of the passengers in the vehicle is affected.
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, induced deformation does not occur, bending does not occur, maintenance economy is guaranteed, meanwhile, collision load can be effectively transferred to the A column 2, the A column 2 transfers the collision load to the threshold beam 3, the collision load is shared by the A column 2 and the threshold beam 3, so that collision load born by the passenger cabin is reduced, the deformation of a door opening is reduced, a rescue worker can open a door to rescue members in the vehicle, survival rate of the members in the vehicle is improved, the invasion amount of a skeleton beam is reduced, meanwhile, the deformation amount of the A column roof side rail 4 bending into the passenger cabin is reduced, the invasion amount of the occupied passenger cabin space is reduced, the safety of small offset collision of the vehicle is improved, and safety of the members in the vehicle is guaranteed.
In some embodiments, since the threshold beam 3 is thicker relative to the a-pillar 2 and has higher rigidity relative to the a-pillar 2, the threshold beam 3 can fully bear collision load, ensure safety of personnel in the vehicle, and the threshold beam 3 also reduces collision load of the rigid barrier to the a-pillar roof side rail 4 which is finer relative to the a-pillar 2, reduces deformation of the a-pillar roof side rail 4 into the passenger compartment, reduces intrusion into the passenger compartment space, improves safety of small offset collision of the vehicle, and ensures safety of personnel in the vehicle.
In some embodiments, in order to ensure the structural strength of the threshold beam 3, the threshold beam 3 is provided with a receiving cavity, two longitudinal beams are provided in the receiving cavity, and the two longitudinal beams are staggered and connected with the inner wall of the receiving cavity so as to ensure the structural strength of the threshold beam 3. In this embodiment, the material of the side member may be an aluminum alloy.
In the present embodiment, the two stringers may form a cross-shaped structure to ensure structural strength of the threshold beam 3. Of course, in other embodiments, the two stringers may form an "X" shaped structure to ensure structural strength of the threshold beam 3. However, from the viewpoint of convenience in processing and assembly, it is preferable that the two stringers form a "cross" structure.
In some embodiments, a-pillar 2 comprises: an upper section 2-1 of the A column and a lower section 2-2 of the A column.
The A column upper section 2-1 is connected with a front cabin roof side rail 1.
The lower section 2-2 of the A column is connected with the upper section 2-1 of the A column 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 sill 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 this embodiment, when the vehicle receives the longitudinal impact force of the small offset collision, the front cabin roof rail 1 transmits the collision load to the a-pillar upper section 2-1, and since the width of the a-pillar lower section 2-2 is smaller than that of the a-pillar upper section 2-1, the a-pillar upper section 2-1 can crush and absorb energy, so that the collision load transmitted to the passenger cabin is reduced, the safety of the small offset collision of the vehicle is improved, and the safety of the personnel in the vehicle is ensured. Then, the upper section 2-1 of the A column transmits collision load to the threshold beam 3, and the collision load is shared by the upper section 2-1 of the A column, the lower section 2-2 of the A column and the threshold beam 3, so that the collision load borne by the passenger cabin is reduced, the deformation of a door opening is reduced, a rescue worker can open a door to rescue the personnel in the vehicle, the survival rate of the personnel in the vehicle is improved, the invasion of a framework beam is reduced, the bending deformation of the upper boundary beam 4 of the A column into the passenger cabin is reduced, the invasion of the occupied passenger cabin space is reduced, the safety of small-offset collision of the vehicle is improved, and the safety of the personnel in the vehicle is ensured.
In this embodiment, in order to enable the upper section 2-1 of the a-pillar to crush and absorb energy better, the upper section 2-1 of the a-pillar is provided with an energy absorption hole 2-11 and/or a reinforcement 2-12 to crush and absorb energy through the energy absorption hole 2-11, and the structural strength of the upper section 2-1 of the a-pillar is improved through the reinforcement 2-12. In this embodiment, only the energy absorbing hole 2-11 is formed in the upper section 2-1 of the a-pillar, or only the reinforcing member 2-12 is provided in the upper section 2-1 of the a-pillar, however, in other embodiments, the energy absorbing hole 2-11 may be formed in the upper section 2-1 of the a-pillar, or the reinforcing member 2-12 may be provided.
In this embodiment, in order to enable the upper section 2-1 of the a-pillar to crush and absorb energy better, the inner side surface and the outer side surface of the upper section 2-1 of the a-pillar are provided with the energy absorbing holes 2-11, and the positions of the energy absorbing holes on the inner side surface and the outer side surface of the upper section 2-1 of the a-pillar are opposite, when the vehicle receives the longitudinal impact force of a small offset collision, the front cabin upper side beam 1 transmits the collision load to the upper section 2-1 of the a-pillar, the energy absorbing holes 2-11 of the upper section 2-1 of the a-pillar crush and absorb energy, 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 personnel in the vehicle is ensured, and meanwhile, the bending deformation amount of the upper side beam 4 of the a-pillar into the passenger cabin is reduced, the invasion 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 personnel in the vehicle is ensured.
In this embodiment, in order to enable the upper section 2-1 of the a-pillar to crush and absorb energy better, the front cabin roof rail and the energy absorption hole have an overlapping portion along the vertical direction, when the vehicle receives the longitudinal impact force of a small offset collision, the front cabin roof rail 1 transmits the collision load to the upper section 2-1 of the a-pillar, so that the collision load can be transmitted to the energy absorption hole 2-11, the energy absorption hole 2-11 of the upper section 2-1 of the a-pillar performs crushing and energy absorption, 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 personnel in the vehicle is ensured, and meanwhile, the deformation amount of the roof rail 4 bent into the passenger cabin is reduced, the invasion 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 personnel in the vehicle is ensured.
In this embodiment, the upper section 2-1 of the a-pillar is deformed by extrusion, after crushing and energy absorption, most of the load is transferred to the sill beam 3 connected with the bottom of the lower section 2-2 of the a-pillar through the front wheel tire between the barrier and the vehicle body, and the opposite sill beam 3 is thicker than the a-pillar 2, and the rigidity is higher than the a-pillar 2, so that the collision load of the rigid barrier to the upper side beam 4 of the a-pillar is further reduced, the upper side beam 4 of the a-pillar is prevented from bending into the passenger compartment, the space occupied by the passenger compartment is avoided, the safety of small-offset collision of the vehicle is improved, and the safety of the personnel in the vehicle is ensured.
Referring to fig. 3, in some embodiments, a-pillar 2 comprises: a first inner plate 2-3 and a first outer plate 2-4.
The first inner panel 2-3 is provided with a first cavity and is connected with the front cabin roof side rail 1 and the rocker 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 roof side rail 1 and the threshold beam 3.
In this embodiment, the first chamber has the first opening, the second chamber has the second opening, the first opening is opposite to the second opening, so that the first chamber and the second chamber are communicated, the first inner plate 2-3 and the first outer plate 2-4 form a "mouth" shape 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 impacted by the longitudinal impact force of the small offset collision, that is, the first inner plate 2-3 and the first outer plate 2-4 can absorb energy, the collision load is prevented from being transferred to the passenger cabin, meanwhile, the first inner plate 2-3 and the first outer plate 2-4 are prevented from invading the passenger cabin, the space of the passenger cabin is ensured, the safety of the small offset collision of the vehicle is improved, and the safety of an adult 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 as to reduce the collision load born by the passenger cabin, reduce the deformation of the door opening, enable the rescue staff to open the vehicle door, rescue the vehicle interior members, improve the survival rate of the vehicle interior members, reduce the intrusion amount of the skeleton cross beam, avoid bending the roof side rail 4 into the passenger cabin, improve the safety of small offset collision of the vehicle, and ensure the safety of the vehicle interior members.
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 that the connection of the first inner plate 2-3 and the first outer plate 2-4 is facilitated.
In this embodiment, the first wing plate 2-31 is attached to the second wing plate 2-41, and can be connected in a welded manner, so that the first wing plate 2-31 and the second wing plate 2-4 are firmly connected. The third wing plate 2-32 is attached to 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 this embodiment, in order to ensure 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 cabin 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 and is connected with the A column 2. In the present embodiment, the second inner panel 1-1 is connected to the first inner panel 2-3 of the a pillar 2.
The second outer plate 1-2 is provided with a fourth chamber communicated with the third chamber, and the second outer plate 1-2 is connected with the second inner plate 1-1 and is 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 is communicated with the fourth chamber, the second inner plate 1-1 and the second outer plate 1-2 form an "opening" shape structure, so that the structural strength of the roof rail 1 on the front cabin 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 the 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, energy absorption can be performed, collision load is prevented from being transmitted to the passenger cabin, meanwhile, the second inner plate 1-1 and the second outer plate 1-2 are prevented from invading the passenger cabin, the space of the passenger cabin is ensured, the safety of the small offset collision of the vehicle is improved, and the safety of an occupant in the vehicle is ensured.
In this embodiment, in order to implement adjustment of the upper hinge of the front cabin upper edge beam 1, the first end of the second inner plate 1-1 is vertically provided with the first bonding edge 1-11, the first end of the second outer plate 1-2 is vertically provided with the second bonding edge 1-21, the first bonding edge 1-11 is attached to the second bonding edge 1-21, the second end of the second inner plate 1-1 is vertically provided with the third bonding edge 1-12, the second end of the second outer plate 1-2 is vertically provided with the fourth bonding edge 1-22, the third bonding edge 1-12 is attached to the fourth bonding edge 2-12, the second bonding edge 1-21 can vertically slide on the first bonding edge 1-11, the fourth bonding edge 2-12 can vertically slide on the third bonding edge 1-12, the first bonding edge 1-11 and the third bonding edge 1-12 are prevented from interfering with the second bonding edge 1-21 and the fourth bonding edge 2-12, and adjustment of the upper hinge of the front cabin upper edge beam 1 can be ensured, thereby effectively ensuring the size change accuracy of the trimming. When the adjustment of the upper hinge of the upper boundary beam 1 of the engine room is finished, the first bonding edge 1-11 and the second bonding edge 1-21 can be welded, the first bonding edge 1-11 and the second bonding edge 1-21 are guaranteed to be firmly connected, the fourth bonding edge 2-12 and the third bonding edge 1-12 are welded, and the fourth bonding edge 2-12 and the third bonding edge 1-12 are guaranteed to be firmly connected.
In the present embodiment, in order to ensure the structural strength of the front cabin roof 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 vehicle body force transmitting device further includes: a damping tower 5 and a flume connecting plate 6.
The shock absorber 5 is connected with the front nacelle roof side rail 1 to support the shock absorber 5 through the front nacelle roof side rail 1. The shock absorber 5 may carry a front suspension.
The flume connecting plate 6 is connected with the shock absorber 5 and is opposite to the front cabin roof side rail 1, and when raining, water flow is discharged to the two sides of the front cabin through the flume connecting plate 6, so that the water flow is prevented from entering the front cabin. In the present embodiment, the gutter connecting plate 6 is connected to the coaming assembly.
In this embodiment, when the front cabin roof side rail 1 is impacted, the front cabin roof side rail 1 can be pulled by the gutter connecting plate 6 and the damping tower 5, so that the front cabin roof side rail 1 is prevented from rotating and shifting in the X direction and the Y direction, the intrusion 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 the vehicle is improved, and the safety of the personnel in the vehicle is ensured.
In this embodiment, the automobile body force transfer device still includes the launder stiffening beam 7 that is connected with shock tower 5, and launder stiffening beam 7 is relative with front engine room roof side rail 1 to parallel with launder connecting plate 6, launder stiffening beam 7 is connected with the bounding wall assembly, guarantees the joint connection intensity of launder connecting plate 6 and shock tower 5.
In this embodiment, when the front cabin roof side rail 1 is impacted, the front cabin roof side rail 1 can be pulled by the gutter connecting plate 6, the gutter reinforcing beam 7 and the shock absorber 5, so that the front cabin roof side rail 1 is prevented from being rotationally deviated 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 the small offset collision of the vehicle is improved, and the safety of the vehicle interior personnel is ensured.
In this embodiment, the vehicle body force transmission device further comprises a front wheel cover 8 connected with the shock absorber 5, the front wheel cover 8 is favorable for cooling the brake system, and the vehicle body force transmission device can also play a role in blocking air flow, effectively control the air flow passing through the center of the tire and sent to two sides, increase the conveying capacity of the air flow for the vehicle tail needing more air flow, and improve the utilization rate of the air flow.
Based on the same inventive concept, the application further 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 the technical solutions of all the embodiments are adopted, so that the vehicle at least has all the beneficial effects brought by the technical solutions of the embodiments, and the description is omitted herein.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, 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 and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (8)
1. A vehicle body force transmitting device, comprising:
a front cabin roof rail;
the A column is connected with the front cabin upper boundary beam;
the threshold beam is connected with the bottom of the A column;
the height of the top of the A column is larger than that of the top of the front cabin roof side rail;
the top surface of the front cabin upper boundary beam is in a horizontal state along the longitudinal direction;
the front cabin roof side rail includes:
the second inner plate is provided with a third cavity and is connected with the A column;
the second outer plate is provided with a fourth chamber communicated with the third chamber, and is connected with the second inner plate and the A column;
the first end of the second inner plate is vertically provided with a first bonding edge, the first end of the second outer plate is vertically provided with a second bonding edge, the first bonding edge is attached to the second bonding edge, the second end of the second inner plate is vertically provided with a third bonding edge, the second end of the second outer plate is vertically provided with a fourth bonding edge, and the third bonding edge is attached to the fourth bonding edge.
2. The body force transfer device of claim 1, wherein the a-pillar comprises:
the upper section of the A column is connected with the upper boundary beam of the front cabin;
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.
3. The vehicle body force transmission device according to claim 2, wherein the upper section of the a-pillar is provided with an energy absorption hole and/or a reinforcement.
4. A vehicle body force transfer device according to claim 3, wherein the energy absorbing holes are formed in both the inner and outer sides of the upper section of the a-pillar, and the positions of the energy absorbing holes in the inner and outer sides of the upper section of the a-pillar are opposite.
5. A vehicle body force transmitting device according to claim 3, wherein said front cabin roof rail has an overlapping portion with said energy absorbing hole in a vertical direction.
6. A body force transfer device according to any one of claims 1-5, wherein the a-pillar comprises:
the first inner plate is provided with a first cavity and is connected with the front cabin upper boundary beam and the threshold beam;
the first outer plate is provided with a second cavity communicated with the first cavity, is connected with the first inner plate and is connected with the front cabin roof side rail and the threshold beam.
7. A body force transfer device according to any one of claims 1-5, further comprising:
the damping tower is connected with the upper boundary beam of the front engine room;
the water flow groove connecting plate is connected with the damping tower and is opposite to the upper boundary beam of the front engine room;
and the launder stiffening beam is connected with the damping tower, is opposite to the front cabin upper edge beam and is parallel to the launder connecting plate.
8. A vehicle comprising a body force transmitting device as claimed in any one of claims 1 to 7.
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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 CN115320721A (en) | 2022-11-11 |
| CN115320721B true CN115320721B (en) | 2024-01-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001543A (en) * | 2017-03-31 | 2018-05-08 | 长城汽车股份有限公司 | Vehicle body and vehicle |
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- 2022-07-20 CN CN202210855886.2A patent/CN115320721B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| CN115320721A (en) | 2022-11-11 |
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