CN112937697A - Longeron additional strengthening and car - Google Patents
Longeron additional strengthening and car Download PDFInfo
- Publication number
- CN112937697A CN112937697A CN202110293233.5A CN202110293233A CN112937697A CN 112937697 A CN112937697 A CN 112937697A CN 202110293233 A CN202110293233 A CN 202110293233A CN 112937697 A CN112937697 A CN 112937697A
- Authority
- CN
- China
- Prior art keywords
- longitudinal beam
- threshold
- longitudinal
- central channel
- floor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a longitudinal beam reinforcing structure and an automobile, wherein the longitudinal beam reinforcing structure comprises a longitudinal beam, a front floor, a front wall plate and a front wall floor reinforcing plate, the longitudinal beam comprises a front longitudinal beam and a rear longitudinal beam which are arranged along the length direction of the longitudinal beam, and the front longitudinal beam comprises a front longitudinal beam rear section connected with the rear longitudinal beam; the bottom of the front floor is connected with the rear section of the front longitudinal beam; one side of the front wall plate is connected with the rear section of the front longitudinal beam; the front wall floor reinforcing plate is connected with the front wall plate, the front floor and the rear longitudinal beam to form a cavity structure together. According to the technical scheme, the front wall floor reinforcing plate is arranged among the front wall panel, the front floor and the rear longitudinal beam to form a cavity structure, so that the strength and the rigidity of the front wall panel and the front floor are improved.
Description
Technical Field
The invention relates to the technical field of automobile longitudinal beams, in particular to a longitudinal beam reinforcing structure and an automobile.
Background
The longitudinal beam is a relatively important metal component on an automobile, the whole longitudinal beam penetrates from the head to the tail of the automobile, the engine is supported after an engine compartment is opened, and two cuboid pillars which are consistent with the direction of the automobile body are front longitudinal beams. When a serious collision occurs before and after a vehicle, the bumper and the anti-collision beam do not have the function of the longitudinal beam as much as possible, the longitudinal beam is mainly responsible for energy absorption when a front collision or a rear end collision occurs, if the longitudinal beam does not have high strength and rigidity, the longitudinal beam is easy to crush and deform when the collision occurs, and further the safety of passengers on the vehicle cannot be well guaranteed.
Disclosure of Invention
The invention mainly aims to provide a longitudinal beam reinforcing structure and an automobile, and aims to solve the problems that the existing longitudinal beam is insufficient in strength and rigidity and is easy to crush and deform in collision.
In order to achieve the above object, the present invention provides a longitudinal beam reinforcing structure, including:
the longitudinal beams comprise front longitudinal beams and rear longitudinal beams which are arranged along the length direction of the longitudinal beams, and the front longitudinal beams comprise front longitudinal beam rear sections connected with the rear longitudinal beams;
the bottom of the front floor is connected with the rear section of the front longitudinal beam;
one side of the front wall plate is connected with the rear section of the front longitudinal beam; and the number of the first and second groups,
the front wall floor reinforcing plate is connected with the front wall plate, the front floor and the rear longitudinal beam to form a cavity structure together.
Optionally, the stringer reinforcing structure further comprises:
the central channel extends along the length direction of the longitudinal beam, and is arranged at intervals of the rear longitudinal beam along the width direction of the longitudinal beam; and the number of the first and second groups,
the longitudinal beam channel connecting plate is connected with the front end of the rear longitudinal beam and the central channel, and the longitudinal beam channel connecting plate, the rear longitudinal beam, the central channel and the front floor form a cavity structure together.
Optionally, an a-pillar front wall connecting plate covers one side, away from the rear section of the front longitudinal beam, of the front wall panel, and one side of the a-pillar front wall connecting plate is in lap joint with the a-pillar;
the stringer reinforcing structure further includes:
the side beams extend along the length direction of the longitudinal beam, are arranged at intervals of the front longitudinal beam along the width direction of the longitudinal beam, and one end of each side beam is connected with the A column; and the number of the first and second groups,
the longitudinal beam boundary beam connecting plate extends along the width direction of the longitudinal beam, and the longitudinal beam boundary beam connecting plate is connected with the other end of the boundary beam and the front longitudinal beam.
Optionally, the stringer reinforcing structure further comprises:
the central channel extends along the length direction of the longitudinal beam, and a first central channel and a second central channel are formed in the central channel along the length direction of the longitudinal beam; and the number of the first and second groups,
the front reinforcing plate of the central channel is connected with the first central channel and the second central channel, the front reinforcing plate of the central channel extends in the width direction of the longitudinal beam, and one end of the front reinforcing plate extends to be in lap joint with the front wall floor reinforcing plate.
Optionally, a threshold cross beam is arranged on the upper end face of the front floor, and the threshold cross beam extends along the width direction of the longitudinal beam;
the stringer reinforcing structure further includes:
the central channel extends along the length direction of the longitudinal beam, the middle position of the central channel is connected to one end of the threshold cross beam, and a first central channel and a second central channel are formed in the central channel along the length direction of the longitudinal beam; and the number of the first and second groups,
and the central channel rear reinforcing plate extends along the width direction of the longitudinal beam, is arranged in the middle of the second central channel, and has one end extending to be in lap joint with the threshold cross beam.
Optionally, along longeron length direction, be the setting of staggering between the connecting portion of front longitudinal back and back longeron and the connecting portion that front longitudinal back and preceding bounding wall are connected, staggered distance is L, and L ≧ 40 mm.
Optionally, the stringer reinforcing structure further comprises:
the threshold cross beam is arranged on the upper end face of the front floor and extends along the width direction of the longitudinal beam;
the threshold beam is connected with one end of the threshold cross beam and extends along the length direction of the longitudinal beam; and the number of the first and second groups,
and the threshold connecting plate is connected with the middle position of the threshold beam and the threshold beam.
Optionally, the stringer reinforcing structure further comprises:
the threshold cross beam is arranged on the upper end face of the front floor and extends along the width direction of the longitudinal beam;
the threshold beam is connected with one end of the threshold cross beam and extends along the length direction of the longitudinal beam; and the number of the first and second groups,
the front wall connecting plate of the A column covers one side of the front wall plate, which is far away from the rear section of the front longitudinal beam, and one side of the front wall connecting plate of the A column is in lap joint with the A column;
wherein the dash floor reinforcement panel connects the rocker beam and the A-pillar.
The present invention also provides an automobile comprising a stringer reinforcement structure, the stringer reinforcement structure comprising:
the longitudinal beams comprise front longitudinal beams and rear longitudinal beams which are arranged along the length direction of the longitudinal beams, and the front longitudinal beams comprise front longitudinal beam rear sections connected with the rear longitudinal beams;
the bottom of the front floor is connected with the rear section of the front longitudinal beam;
one side of the front wall plate is connected with the rear section of the front longitudinal beam; and the number of the first and second groups,
the front wall floor reinforcing plate is connected with the front wall plate, the front floor and the rear longitudinal beam to form a cavity structure together.
Optionally, the longitudinal beam reinforcing structure further comprises a threshold beam, a threshold beam and a threshold connecting plate, the threshold beam is arranged on the upper end face of the front floor, the threshold beam extends along the width direction of the longitudinal beam, the threshold beam is connected with one end of the threshold beam, the threshold beam extends along the length direction of the longitudinal beam, and the threshold connecting plate is connected with the middle position of the threshold beam and the threshold beam;
the automobile further comprises a cockpit, the cockpit comprises a sliding rail arranged on the front floor and a cockpit seat arranged on the sliding rail in a sliding mode, when the cockpit seat moves to the design position of the sliding rail, a projection is formed on the front floor corresponding to the cockpit seat, the distance between the geometric center of the projection and the lap joint position of the threshold connecting plate and the threshold beam is D, and D is less than or equal to 300 mm.
In the technical scheme of the invention, the bottom of the front floor is connected with the rear section of the front longitudinal beam; one side of the front wall plate is connected with the rear section of the front longitudinal beam; the front wall floor reinforcing plate is arranged among the front wall plate, the front floor and the rear longitudinal beam to form a cavity structure together, and the cavity structure can play a role in energy absorption and buffering when an automobile is impacted, and can also increase the strength and rigidity of the front wall plate and the front floor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a stringer reinforcing structure according to a first embodiment of the present invention;
FIG. 2 is a perspective view of the stringer of FIG. 1;
FIG. 3 is a schematic perspective view of an upper reinforcement plate of the rear section of the stringer shown in FIG. 1;
FIG. 4 is a schematic perspective view of the stringer side rail web of FIG. 1;
fig. 5 is a perspective view of the rocker connecting plate of fig. 1;
fig. 6 is a schematic perspective view of an automobile according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
When the automobile is subjected to front impact or rear end collision, the part mainly responsible for energy absorption is the automobile longitudinal beam, if the longitudinal beam has no higher strength and rigidity, the longitudinal beam is easy to crush and deform during collision, and further the safety of passengers on the automobile cannot be well ensured.
In view of the above, the invention provides a longitudinal beam reinforcing structure and an automobile. Fig. 1 to 5 show an embodiment of a stringer reinforcement structure according to the present invention, and fig. 6 shows an embodiment of an automobile according to the present invention.
Referring to fig. 1, the present invention provides a longitudinal beam reinforcing structure 100, where the longitudinal beam reinforcing structure 100 includes a longitudinal beam 101, a front floor 102, a front wall 103, and a front wall floor reinforcing plate 104, the longitudinal beam 101 includes a front longitudinal beam 1011 and a rear longitudinal beam 1012 arranged in a longitudinal direction thereof, the front longitudinal beam 1011 includes a front longitudinal beam rear section 10112 connected to the rear longitudinal beam 1012; the bottom of the front floor 102 is connected with the front longitudinal beam rear section 10112; one side of the front wall plate 103 is connected with the front longitudinal beam rear section 10112; the front wall floor reinforcement plate 104 is connected with the front floor 102, the front wall plate 103 and the rear side member 1012 to form a cavity structure.
In the technical scheme of the invention, the bottom of the front floor 102 is connected with the rear section 10112 of the front longitudinal beam; one side of the front wall plate 103 is connected with the front longitudinal beam rear section 10112; the front wall floor reinforcing plate 104 is arranged among the front floor 102, the front wall panel 103 and the rear longitudinal beam 1012 to form a cavity structure together, and the cavity structure not only can play a role of energy absorption and buffering when an automobile is impacted, but also can increase the strength and rigidity of the front floor 102 and the front wall panel 103.
Referring to fig. 2, the longitudinal beam 101 includes a front longitudinal beam 1011 and a rear longitudinal beam 1012 arranged in a row along a length direction F1, the front longitudinal beam 1011 and the rear longitudinal beam 1012 are connected by spot welding, the front longitudinal beam 1011 includes a front longitudinal beam inner plate 10113 and a front longitudinal beam outer plate 10114, the rear longitudinal beam 1012 includes a rear longitudinal beam inner plate 10121 and a rear longitudinal beam outer plate 10122, and the front longitudinal beam inner plate 10113 and the rear longitudinal beam inner plate 10121 are connected by tailor welding or spot welding to form a longitudinal beam inner plate; the front longitudinal beam outer plate 10114 and the rear longitudinal beam outer plate 10122 are connected through tailor welding or spot welding to form a longitudinal beam outer plate; in this embodiment, the front longeron inner panel 10113 with back longeron inner panel 10121 connects through tailor welding or spot welding earlier and forms the longeron inner panel, front longeron outer panel 10114 with back longeron outer panel 10122 connects through tailor welding or spot welding earlier and forms the longeron planking, the longeron inner panel with longeron planking spot welding connects and forms longeron 101, be equipped with an edge on the front longeron inner panel 10113 the recess that longeron length direction F1 runs through is used for making be formed with a cavity structure in the front longeron 1011, when the automobile takes place and openly strikes or the rear end collision, transmit to the impact of front longeron 1011 can be followed longeron length direction F1 with longeron width direction F2 transmits, reduces the impact that transmits to back longeron.
Further referring to fig. 2, the rear side member 1012 includes a rear side member inner panel 10121 and a rear side member outer panel 10122, a groove penetrating along the longitudinal member length direction F1 is formed on the rear side member inner panel 10121, so that a cavity structure is formed in the rear side member 1012, and when a front collision or a rear collision occurs to the automobile, the collision force transmitted to the rear side member 1012 can be transmitted along the longitudinal member length direction F1 and the longitudinal member width direction F2, so as to effectively disperse the collision force.
Specifically, the front longitudinal beam 1011 includes the front longitudinal beam anterior segment 10111 that arranges the setting along its length direction F1 and the front longitudinal beam rear segment 10112, for improving the collision energy-absorbing ability of car, longeron additional strengthening 100 is still including locating a plurality of crushing induction channels 116 on the longeron 101, in this embodiment, it is a plurality of crushing induction channels 116 correspond respectively to locate the inner panel of front longitudinal beam anterior segment 10111, the planking of front longitudinal beam anterior segment 10111 and the planking of front longitudinal beam rear segment 10112, when the car takes place and strikes in front or the rear end, on the front longitudinal beam 1011 crushing induction channel 116 carries out crushing energy-absorbing earlier, reduces to transmit to the impact of rear longitudinal beam 1012.
More specifically, the thickness of the front longitudinal beam inner plate 10113 and the thickness of the front longitudinal beam outer plate 10114 are set to be 1.2-2.2mm, the thickness of the rear longitudinal beam inner plate 10121 and the thickness of the rear longitudinal beam outer plate 10122 are set to be 1.5-3.6mm, the thickness of the rear longitudinal beam inner plate 10121 and the thickness of the rear longitudinal beam outer plate 10122 are larger than the thickness of the front longitudinal beam inner plate 10113 and the thickness of the front longitudinal beam outer plate 10114, so that when the front impact occurs to the automobile, the front longitudinal beam 1011 can be crushed, bent and deformed first, and part of the impact force is absorbed, the impact force received by the rear longitudinal beam 1012 is reduced, the bending risk is reduced, and the integrity.
More specifically, along the longitudinal beam length direction F1, the connection portion between the front longitudinal beam rear section 10112 and the rear longitudinal beam 1012 and the connection portion between the front longitudinal beam rear section 10112 and the front dash panel 103 are arranged in a staggered manner, the staggered distance is L, and L is greater than or equal to 40mm, and the two connection portions are arranged in a staggered manner, so that the front end of the rear longitudinal beam 1012 with a larger thickness extends forwards by the distance of L, and the passenger compartment is effectively protected in a collision.
Referring to fig. 1, 3 and 5, the reinforcing structure 100 of the longitudinal beam 101 further includes a rocker beam 111, a rocker beam 112 and an a-pillar front wall connecting plate 107, the rocker beam 111 is disposed on the upper end surface of the front floor 102, and the rocker beam 111 extends along the longitudinal beam width direction F2; the threshold beam 112 is connected with one end of the threshold cross beam 111, and the threshold beam 112 extends along the longitudinal beam length direction F1; the A-pillar front wall connecting plate 107 covers one side, away from the front longitudinal beam rear section 10112, of the front floor 102, and one side of the A-pillar front wall connecting plate 107 is in lap joint with the A-pillar 108; the dash reinforcement panel 104 connects the rocker beam 112 and the a-pillar 108, when the automobile is in a front collision or a rear collision, the collision force is transmitted from the longitudinal beam 101 to the dash reinforcement panel 104, and the collision force borne by the dash reinforcement panel 104 is transmitted to the rocker beam 112 and the a-pillar 108, so that the collision force is effectively resolved.
Referring to fig. 3, the longitudinal beam reinforcing structure 100 further includes a lower longitudinal beam 115 and an upper reinforcing plate 114 at a rear section of the longitudinal beam, the lower longitudinal beam 115 is disposed at the bottom of the front floor 102 and connected to a rear portion of the rear section 10112 of the front longitudinal beam, the upper reinforcing plate 114 at the rear section of the longitudinal beam is disposed on an end surface of the front floor 102 facing away from the rear section 10112 of the front longitudinal beam, the upper reinforcing plate 114 at the rear section of the longitudinal beam is disposed corresponding to a connecting position of the lower longitudinal beam 115 and the rear section 10112 of the front longitudinal beam, when a front impact or a rear end collision occurs to the vehicle, an impact force transmitted to the rear section 10112 of the front longitudinal beam can be transmitted to the lower longitudinal beam 115 of the floor, so as to effectively disperse the impact force, and the upper reinforcing plate 114 at the rear section of the longitudinal beam improves strength and rigidity.
In order to further enhance the strength and rigidity of the longitudinal beam 101, referring to fig. 1, the longitudinal beam reinforcing structure 100 is further provided with a central channel 105 and a longitudinal beam channel connecting plate 106, the central channel 105 extends along the longitudinal beam length direction F1, and the central channel 105 is spaced from the rear longitudinal beam 1012 along the longitudinal beam width direction F2; the longitudinal beam channel connecting plate 106 connects the front end of the rear longitudinal beam 1012 with the central channel 105, and the longitudinal beam channel connecting plate 106, the rear longitudinal beam 1012, the central channel 105 and the front floor plate 102 form a cavity structure together, so that the cavity structure not only can play a role in energy absorption and buffering when an automobile is impacted, but also can increase the strength and rigidity of the front floor plate 102 and the front dash plate 103.
Referring to fig. 4, an a-pillar front wall connecting plate 107 is covered on a side of the front floor 102 away from the front longitudinal beam rear section 10112, and one side of the a-pillar front wall connecting plate 107 is overlapped with an a-pillar 108; in order to transmit the impact force from the longitudinal beam 101 to other components when the automobile is subjected to a front collision or a rear collision, the longitudinal beam reinforcing structure 100 is further provided with a side beam 109 and a longitudinal beam side beam connecting plate 110, the side beam 109 extends along the longitudinal beam length direction F1, the side beam 109 is arranged at an interval from the front longitudinal beam 1011 along the longitudinal beam width direction F2, and one end of the side beam 109 is connected with the a-pillar 108; the longitudinal beam boundary beam connecting plate 110 extends along the longitudinal beam width direction F2, the longitudinal beam boundary beam connecting plate 110 is connected with the other end of the boundary beam 109 and the front longitudinal beam 1011, when a front impact or a rear end collision occurs to an automobile, the impact force is transmitted from the front longitudinal beam 1011 through the longitudinal beam boundary beam connecting plate 110 to the boundary beam 109, so that the strength and the rigidity of the longitudinal beam 101 are improved, and the impact force born by the front longitudinal beam 1011 is also decomposed.
In order to prevent the longitudinal beam 101 from bending when a side impact occurs to the automobile, the reinforcing structure 100 of the longitudinal beam 101 is further provided with a central channel 105 and a central channel front reinforcing plate 1053 (see fig. 1), the central channel 105 extends along the longitudinal beam length direction F1, and the central channel 105 is formed with a first central channel 1051 and a second central channel 1052 along the longitudinal beam length direction F1; the center tunnel front reinforcement plate 1053 connects the first center tunnel 1051 and the second center tunnel 1052, the center tunnel front reinforcement plate 1053 extends along the longitudinal beam width direction F2, and one end of the center tunnel front reinforcement plate extends to overlap with the dash panel reinforcement plate 104, so that the strength and rigidity of the longitudinal beam 101 are improved, and when a side impact occurs to the automobile, the impact force can be effectively transmitted to the other side of the automobile body, and the side impact force can be resolved.
In order to further prevent the longitudinal beam 101 from bending when a side impact occurs on the automobile, a threshold cross beam 111 is arranged on the upper end face of the front floor 102, and the threshold cross beam 111 extends along the longitudinal beam width direction F2; in order to further reinforce the strength and rigidity of the side member 101 in the event of a side impact, the side member reinforcing structure 100 is further provided with a center tunnel 105 and a center tunnel rear reinforcing plate 1054 (see fig. 1), the center tunnel 105 is extended along the side member length direction F1, the middle portion of the center tunnel 105 is connected to one end of the sill cross member 111, the center tunnel 105 is formed with a first center tunnel 1051 and a second center tunnel 1052 along the side member length direction F1, the center tunnel rear reinforcing plate 1054 is extended along the side member width direction F2, the center tunnel rear reinforcing plate 1054 is provided in the middle portion of the second center tunnel 1052, and one end of the center tunnel rear reinforcing plate extends to overlap with the sill cross member 111, so that not only the strength and rigidity of the side member 101 are improved, but also the impact force can be effectively transmitted to the other side of the vehicle body in the event of a side impact, and the lateral impact force is decomposed.
Referring to fig. 5, the longitudinal beam reinforcing structure 100 further includes a threshold beam 111, a threshold beam 112 and a threshold connecting plate 113, the threshold beam 111 is disposed on the upper end surface of the front floor 102, and the threshold beam 111 extends along the longitudinal beam width direction F2; the threshold beam 112 is connected with one end of the threshold cross beam 111, and the threshold beam 112 extends along the longitudinal beam length direction F1; the rocker connecting plate 113 connects the middle position of the rocker beam 111 with the rocker beam 112, when the automobile is impacted laterally, the impact force of the front side part is transmitted from the a-pillar 108 to the a-pillar dash connecting plate 107 and the floor dash reinforcement plate 104, and the impact force of the middle part is transmitted from the rocker beam 112 to the central channel 105 through the rocker beam 111 and the rocker connecting plate 113, so that the lateral impact force is effectively resolved.
Specifically, the threshold cross beam 111 is connected with one end of the upper reinforcing plate 114 at the rear section of the longitudinal beam in a spot welding manner, the threshold cross beam 111 extends along the longitudinal beam width direction F2, two opposite extending ends of the threshold cross beam 111 are respectively connected with the threshold beam 112 and the central channel 105, the middle part of the threshold cross beam 111 is in lap joint with the front floor 102 and the underfloor longitudinal beam 115, and when a front impact or a rear end collision occurs to an automobile, the impact force is transmitted from the longitudinal beam 101 to the threshold cross beam 111, so that the front impact force is effectively decomposed.
The present invention further provides an automobile 200, which includes the longitudinal beam reinforcing structure 100, and the automobile includes all the technical features of the longitudinal beam reinforcing structure 100, so that the automobile also has the technical effects brought by all the technical features, and details are not repeated herein.
Referring to fig. 5, the longitudinal beam reinforcing structure 100 further includes a threshold beam 111, a threshold beam 112 and a threshold connecting plate 113, the threshold beam 111 is disposed on the upper end surface of the front floor 102, the threshold beam 111 extends along the longitudinal beam width direction F2, the threshold beam 112 is connected to one end of the threshold beam 111, the threshold beam 112 extends along the longitudinal beam length direction F1, and the threshold connecting plate 113 is connected to the middle position of the threshold beam 111 and the threshold beam 112;
the automobile 200 further includes a cockpit 201 (please refer to fig. 6), the cockpit 201 includes a slide rail disposed on the front floor 102 and a cockpit seat slidably mounted on the slide rail, when the cockpit seat moves to a design position of the slide rail, a projection is formed on the front floor 102 corresponding to the cockpit seat, a distance between a geometric center of the projection and an overlapping position of the threshold connecting plate 113 and the threshold beam 112 is D, and D ≦ 300mm, where the design position of the slide rail refers to a central position of the slide rail, and a D is disposed between the geometric center of the projection and the overlapping position of the threshold connecting plate 113 and the threshold beam 112, so that a pillar collision performance of an automobile body is effectively improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A stringer reinforcing structure, comprising:
the longitudinal beams comprise front longitudinal beams and rear longitudinal beams which are arranged along the length direction of the longitudinal beams, and the front longitudinal beams comprise front longitudinal beam rear sections connected with the rear longitudinal beams;
the bottom of the front floor is connected with the rear section of the front longitudinal beam;
one side of the front wall plate is connected with the rear section of the front longitudinal beam; and the number of the first and second groups,
the front wall floor reinforcing plate is connected with the front wall plate, the front floor and the rear longitudinal beam to form a cavity structure together.
2. The stringer reinforcing structure of claim 1, further comprising:
the central channel extends along the length direction of the longitudinal beam, and is arranged at intervals of the rear longitudinal beam along the width direction of the longitudinal beam; and the number of the first and second groups,
the longitudinal beam channel connecting plate is connected with the front end of the rear longitudinal beam and the central channel, and the longitudinal beam channel connecting plate, the rear longitudinal beam, the central channel and the front floor form a cavity structure together.
3. The longitudinal beam reinforcing structure according to claim 1, wherein an a-pillar cowl web is overlaid on a side of the cowl facing away from the front longitudinal beam rear section, and the a-pillar cowl web overlaps the a-pillar;
the stringer reinforcing structure further includes:
the side beams extend along the length direction of the longitudinal beam, are arranged at intervals of the front longitudinal beam along the width direction of the longitudinal beam, and one end of each side beam is connected with the A column; and the number of the first and second groups,
the longitudinal beam boundary beam connecting plate extends along the width direction of the longitudinal beam, and the longitudinal beam boundary beam connecting plate is connected with the other end of the boundary beam and the front longitudinal beam.
4. The stringer reinforcing structure of claim 1, further comprising:
the central channel extends along the length direction of the longitudinal beam, and a first central channel and a second central channel are formed in the central channel along the length direction of the longitudinal beam; and the number of the first and second groups,
the front reinforcing plate of the central channel is connected with the first central channel and the second central channel, the front reinforcing plate of the central channel extends in the width direction of the longitudinal beam, and one end of the front reinforcing plate extends to be in lap joint with the front wall floor reinforcing plate.
5. The longitudinal beam reinforcing structure according to claim 1, wherein a sill cross member is provided on an upper end surface of the front floor panel, the sill cross member extending in a width direction of the longitudinal beam;
the stringer reinforcing structure further includes:
the central channel extends along the length direction of the longitudinal beam, the middle position of the central channel is connected to one end of the threshold cross beam, and a first central channel and a second central channel are formed in the central channel along the length direction of the longitudinal beam; and the number of the first and second groups,
and the central channel rear reinforcing plate extends along the width direction of the longitudinal beam, is arranged in the middle of the second central channel, and has one end extending to be in lap joint with the threshold cross beam.
6. The stringer reinforcing structure of claim 1, wherein the connection portions of the front and rear stringers and the connection portions of the front and front stringer rear sections are offset from each other along the longitudinal direction of the stringer by a distance L ≧ 40 mm.
7. The stringer reinforcing structure of claim 1, further comprising:
the threshold cross beam is arranged on the upper end face of the front floor and extends along the width direction of the longitudinal beam;
the threshold beam is connected with one end of the threshold cross beam and extends along the length direction of the longitudinal beam; and the number of the first and second groups,
and the threshold connecting plate is connected with the middle position of the threshold beam and the threshold beam.
8. The stringer reinforcing structure of claim 1, further comprising:
the threshold cross beam is arranged on the upper end face of the front floor and extends along the width direction of the longitudinal beam;
the threshold beam is connected with one end of the threshold cross beam and extends along the length direction of the longitudinal beam; and the number of the first and second groups,
the front wall connecting plate of the A column covers one side of the front wall plate, which is far away from the rear section of the front longitudinal beam, and one side of the front wall connecting plate of the A column is in lap joint with the A column;
wherein the dash floor reinforcement panel connects the rocker beam and the A-pillar.
9. An automobile, characterized by comprising the side member reinforcing structure according to claims 1 to 8.
10. The automobile of claim 9, wherein the longitudinal beam reinforcement structure further comprises a threshold cross beam, a threshold beam and a threshold connecting plate, the threshold cross beam is arranged on the upper end surface of the front floor, the threshold cross beam extends along the width direction of the longitudinal beam, the threshold beam is connected with one end of the threshold cross beam, the threshold beam extends along the length direction of the longitudinal beam, and the threshold connecting plate is connected with the threshold beam at the middle position of the threshold cross beam;
the automobile further comprises a cockpit, the cockpit comprises a sliding rail arranged on the front floor and a cockpit seat arranged on the sliding rail in a sliding mode, when the cockpit seat moves to the design position of the sliding rail, a projection is formed on the front floor corresponding to the cockpit seat, the distance between the geometric center of the projection and the lap joint position of the threshold connecting plate and the threshold beam is D, and D is less than or equal to 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293233.5A CN112937697B (en) | 2021-03-18 | 2021-03-18 | Longeron additional strengthening and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293233.5A CN112937697B (en) | 2021-03-18 | 2021-03-18 | Longeron additional strengthening and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112937697A true CN112937697A (en) | 2021-06-11 |
| CN112937697B CN112937697B (en) | 2022-08-26 |
Family
ID=76227005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110293233.5A Active CN112937697B (en) | 2021-03-18 | 2021-03-18 | Longeron additional strengthening and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112937697B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306633A (en) * | 2021-06-22 | 2021-08-27 | 安徽江淮汽车集团股份有限公司 | Automobile longitudinal beam force transmission structure |
| CN113428239A (en) * | 2021-08-05 | 2021-09-24 | 安徽江淮汽车集团股份有限公司 | Platform-based rear longitudinal beam structure of engine room |
| CN114906229A (en) * | 2022-06-07 | 2022-08-16 | 浙江吉利控股集团有限公司 | Lower vehicle body structure and vehicle |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158788A (en) * | 2011-12-09 | 2013-06-19 | 北汽福田汽车股份有限公司 | Automobile front floor and automobile |
| EP2603415A1 (en) * | 2010-08-11 | 2013-06-19 | Peugeot Citroën Automobiles SA | Method for mounting a front axle/cradle assembly to a body part of a motor vehicle |
| JP2013124023A (en) * | 2011-12-15 | 2013-06-24 | Honda Motor Co Ltd | Vehicle body structure |
| JP2014000862A (en) * | 2012-06-18 | 2014-01-09 | Honda Motor Co Ltd | Frp cabin of automobile |
| JP2014043133A (en) * | 2012-08-24 | 2014-03-13 | Toyota Motor Corp | Car body front structure |
| US20160355213A1 (en) * | 2015-06-04 | 2016-12-08 | Fca Italy S.P.A. | Motor-vehicle floor structure |
| JP2018161934A (en) * | 2017-03-24 | 2018-10-18 | 三菱自動車工業株式会社 | Floor structure of vehicle body |
| CN208149452U (en) * | 2018-04-13 | 2018-11-27 | 江苏敏安电动汽车有限公司 | Reduce the floor stiffening device that vehicle side column touches threshold intrusion volume |
| CN208993783U (en) * | 2018-08-15 | 2019-06-18 | 北京汽车股份有限公司 | A kind of preceding floor stiffening plate and automobile |
| WO2019185030A1 (en) * | 2018-03-30 | 2019-10-03 | 比亚迪股份有限公司 | Front floor assembly, and automobile |
| CN209667222U (en) * | 2019-04-16 | 2019-11-22 | 东风小康汽车有限公司重庆分公司 | Vehicle cab safeguard structure and vehicle |
| CN212220374U (en) * | 2020-05-06 | 2020-12-25 | 摩登汽车(盐城)有限公司 | Body frame of a motor vehicle |
| CN112172933A (en) * | 2020-10-15 | 2021-01-05 | 上海锐镁新能源科技有限公司 | Floor structure before automobile body |
| CN212401376U (en) * | 2020-06-12 | 2021-01-26 | 广州汽车集团股份有限公司 | Automobile bottom plate structure and electric automobile |
| US20210070375A1 (en) * | 2019-09-11 | 2021-03-11 | Mazda Motor Corporation | Vehicle-body structure of vehicle |
-
2021
- 2021-03-18 CN CN202110293233.5A patent/CN112937697B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2603415A1 (en) * | 2010-08-11 | 2013-06-19 | Peugeot Citroën Automobiles SA | Method for mounting a front axle/cradle assembly to a body part of a motor vehicle |
| CN103158788A (en) * | 2011-12-09 | 2013-06-19 | 北汽福田汽车股份有限公司 | Automobile front floor and automobile |
| JP2013124023A (en) * | 2011-12-15 | 2013-06-24 | Honda Motor Co Ltd | Vehicle body structure |
| JP2014000862A (en) * | 2012-06-18 | 2014-01-09 | Honda Motor Co Ltd | Frp cabin of automobile |
| JP2014043133A (en) * | 2012-08-24 | 2014-03-13 | Toyota Motor Corp | Car body front structure |
| US20160355213A1 (en) * | 2015-06-04 | 2016-12-08 | Fca Italy S.P.A. | Motor-vehicle floor structure |
| JP2018161934A (en) * | 2017-03-24 | 2018-10-18 | 三菱自動車工業株式会社 | Floor structure of vehicle body |
| WO2019185030A1 (en) * | 2018-03-30 | 2019-10-03 | 比亚迪股份有限公司 | Front floor assembly, and automobile |
| CN208149452U (en) * | 2018-04-13 | 2018-11-27 | 江苏敏安电动汽车有限公司 | Reduce the floor stiffening device that vehicle side column touches threshold intrusion volume |
| CN208993783U (en) * | 2018-08-15 | 2019-06-18 | 北京汽车股份有限公司 | A kind of preceding floor stiffening plate and automobile |
| CN209667222U (en) * | 2019-04-16 | 2019-11-22 | 东风小康汽车有限公司重庆分公司 | Vehicle cab safeguard structure and vehicle |
| US20210070375A1 (en) * | 2019-09-11 | 2021-03-11 | Mazda Motor Corporation | Vehicle-body structure of vehicle |
| CN212220374U (en) * | 2020-05-06 | 2020-12-25 | 摩登汽车(盐城)有限公司 | Body frame of a motor vehicle |
| CN212401376U (en) * | 2020-06-12 | 2021-01-26 | 广州汽车集团股份有限公司 | Automobile bottom plate structure and electric automobile |
| CN112172933A (en) * | 2020-10-15 | 2021-01-05 | 上海锐镁新能源科技有限公司 | Floor structure before automobile body |
Non-Patent Citations (2)
| Title |
|---|
| 周丽等: "偏置碰撞中车身结构优化设计", 《汽车工程师》 * |
| 惠光辉: "一种SUV车型发舱纵梁后段加强板的优化结构", 《汽车实用技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306633A (en) * | 2021-06-22 | 2021-08-27 | 安徽江淮汽车集团股份有限公司 | Automobile longitudinal beam force transmission structure |
| CN113428239A (en) * | 2021-08-05 | 2021-09-24 | 安徽江淮汽车集团股份有限公司 | Platform-based rear longitudinal beam structure of engine room |
| CN114906229A (en) * | 2022-06-07 | 2022-08-16 | 浙江吉利控股集团有限公司 | Lower vehicle body structure and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112937697B (en) | 2022-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112937697B (en) | Longeron additional strengthening and car | |
| US8960780B2 (en) | Vehicle side body structure | |
| CN112660244B (en) | Offset collision-prevention vehicle body structure | |
| CN215398951U (en) | Force transmission structure for side collision of automobile body and automobile | |
| CN212828704U (en) | Automobile floor structure and automobile | |
| CN109982899B (en) | Bumper beam with 8-shaped cross section | |
| CN112623029B (en) | Automobile longitudinal beam | |
| EP3875351A1 (en) | Member and vehicle skeleton | |
| CN114852186B (en) | Automobile passenger cabin shell structure and automobile | |
| CN113443016B (en) | Vehicle body structure and automobile | |
| CN214823632U (en) | Offset collision A post reinforcing structure and car | |
| CN111497948A (en) | Automobile body longeron joint design and car | |
| CN212500670U (en) | Vehicle body structure and automobile | |
| CN210734311U (en) | Automobile doorsill beam reinforcement structure | |
| CN210310566U (en) | Baffle inner base for vehicle and vehicle | |
| CN113968281A (en) | Vehicle body structure and automobile | |
| CN112519887A (en) | Vehicle beam assembly and frame | |
| CN220163990U (en) | Front side member structure and vehicle | |
| CN112550463B (en) | Vehicle body structure and automobile | |
| CN214565703U (en) | Front floor lower beam assembly and vehicle | |
| CN219857063U (en) | Crash-proof structure and vehicle equipped with the same | |
| CN111376984B (en) | Vehicle body of vehicle and vehicle | |
| CN217074543U (en) | Threshold additional strengthening | |
| CN210063114U (en) | Automobile body and automobile with same | |
| CN219277626U (en) | Vehicle body side portion structure and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |