CN105501311B - Body tail endergonic structure - Google Patents
Body tail endergonic structure Download PDFInfo
- Publication number
- CN105501311B CN105501311B CN201511034085.6A CN201511034085A CN105501311B CN 105501311 B CN105501311 B CN 105501311B CN 201511034085 A CN201511034085 A CN 201511034085A CN 105501311 B CN105501311 B CN 105501311B
- Authority
- CN
- China
- Prior art keywords
- plate
- back door
- door threshold
- longeron
- inner panel
- 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.)
- Active
Links
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
- B62D25/2054—Load carrying floors for commercial vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of body tail endergonic structure, including longeron, the threshold being arranged on the outside of longeron and the floor being connected with longeron and threshold, longeron includes front longitudinal and floor side member, floor includes preceding floor and rear floor, threshold includes back door threshold lower supporting plate and back door threshold guide rail installing plate, and body tail endergonic structure also includes connecting plate, towing arm medial cradle and back door threshold inner panel shrouding after the back door threshold inner panel that is sequentially connected；The cavity body structure that connecting plate, towing arm medial cradle and back door threshold inner panel shrouding are also formed between back door threshold lower supporting plate, back door threshold guide rail installing plate, rear floor, floor side member after back door threshold inner panel.The setting of body tail endergonic structure is reasonable, forms systematic endergonic structure, the various load that can effectively transmit and disperse outside in-car.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of body tail endergonic structure.
Background technology
MPV automobiles (Multi-Purpose Vehicles, multipurpose automobile) are the roomy occupant space of collection station wagon, car
Comfortableness and van function automobile.MPV automobiles are generally two van-type structures, and front side compartment is engine
Cabin, rear side compartment are occupant space and luggage space, and the seat of lower 5-8 people, seat configuration one can be arranged in rear side compartment
As using two drain into three rows, flexible arrangement, all can fold or fall, some can also all around move or even rotate, this
Make it that internally there is very big flexibility in structure.
The rear portion of MPV automobiles includes rear floor assembly, back door threshold assembly, rear wheel cover assembly etc., mutual by above-mentioned each assembly
Collaboration carry in the lump outside in-car and car various load (such as stress from rear suspension, caused by side collision process
Impact force etc.), body tail endergonic structure is included from rear floor assembly, the part of back door threshold assembly and rear wheel cover assembly and company
Connector between the components etc. is connect, body tail endergonic structure is the main pipeline of various impact energys and stress,
The stress variation of body tail is complicated, therefore the setting of body tail endergonic structure reasonable determines that can body of a motor car have
Effect ground transmits and disperses various load, and then determines the security and service life of automobile.
The content of the invention
It is an object of the present invention to provide a kind of body tail endergonic structure, its structure setting is reasonable, forms systematicness
Endergonic structure, the various load that can effectively transmit and disperse outside in-car.
The present invention, which solves its technical problem, to be realized using following technical scheme.
A kind of body tail endergonic structure, including longeron, the threshold that is arranged on the outside of longeron and with longeron and threshold phase
Floor even, longeron include front longitudinal and floor side member, and floor includes preceding floor and rear floor, and threshold includes back door threshold lower supporting plate
With back door threshold guide rail installing plate, body tail endergonic structure also includes connecting plate, towing arm after the back door threshold inner panel that is sequentially connected
Medial cradle and back door threshold inner panel shrouding；After back door threshold inner panel connecting plate, towing arm medial cradle and back door threshold inner panel shrouding with
The cavity body structure formed between back door threshold lower supporting plate, back door threshold guide rail installing plate, rear floor, floor side member.
In present pre-ferred embodiments, above-mentioned threshold also includes front door sill inner panel and back door threshold inner panel, and body tail is inhaled
Energy structure also includes threshold supporting plate, threshold supporting plate connection front door sill inner panel, back door threshold inner panel, preceding floor and front longitudinal and shape
Into cavity body structure.
In present pre-ferred embodiments, above-mentioned threshold supporting plate includes support baseboard, the first support side plate and second
Side plate is supportted, the first support side plate and the second support side plate are oppositely arranged, and support baseboard connects the first support side plate and the second support
Side plate；Support baseboard has the first support flange and the second support flange, and the first support flanging welded to front door sill inner panel is with after
Threshold internal plate, the second support flanging welded to front longitudinal；First support side plate has the 3rd support flange, the 3rd support flange point
Front door sill inner panel, preceding floor and front longitudinal are not soldered to；Second support side plate has the 4th support flange, the 4th support flange point
Back door threshold inner panel, preceding floor and front longitudinal are not soldered to, and the end of back door threshold guide rail installing plate is welded on second support-side
On plate.
Have in present pre-ferred embodiments, on the support baseboard of above-mentioned threshold supporting plate and avoid through hole.
In present pre-ferred embodiments, connecting plate includes connecting bottom board, the first connecting lateral plate after above-mentioned back door threshold inner panel
With the second connecting lateral plate, the first connecting lateral plate and the second connecting lateral plate are oppositely arranged, connecting bottom board connect the first connecting lateral plate and
Second connecting lateral plate；Connecting bottom board has the first connection flange and the second connection flange, the first connection flanging welded to floor side member,
Second connects flanging welded to back door threshold lower supporting plate；First connecting lateral plate has the 3rd connection flange, the 3rd connection flange point
Back door threshold lower supporting plate, back door threshold guide rail installing plate, rear floor and floor side member are not soldered to；Second connecting lateral plate has the 4th to connect
Flange is connect, the 4th connection flange is respectively welded to back door threshold lower supporting plate and back door threshold guide rail installing plate.
In present pre-ferred embodiments, above-mentioned towing arm medial cradle includes connected installation portion and connecting portion, installation
The first installation side plate and the second installation side plate that portion includes installing plate, is oppositely arranged, installing plate encircle towards the direction away from rear floor
Rise；Connecting portion connects the first installation side plate and the second installation side plate；Second installation side plate has first support flange, first support
For flanging welded to floor side member, installing plate has second support flange and the 3rd support flange, second support flanging welded to back door
Second connecting lateral plate of connecting plate after sill inner panel, the 3rd support flanging welded to back door threshold inner panel shrouding；Connecting portion has the 4th
Support flange, the 4th support flange are respectively welded to back door threshold guide rail installing plate and back door threshold inner panel shrouding；Installing plate, which is provided with, to be used
In the first mount point of installation towing arm, back door threshold lower supporting plate is provided with close to the position of towing arm medial cradle and dragged for installation
Drag the second mount point of arm.
In present pre-ferred embodiments, above-mentioned back door threshold inner panel shrouding includes connected first end and the second end,
Edge of the first end away from the second end is connected to floor side member by the first shrouding flange, and the second end is away from first end
Edge is connected to back door threshold lower supporting plate, first end and the second end by the second shrouding flange and passed through close to rear floor side
3rd shrouding flanging welded is to rear floor；The second end is led away from rear floor side by the 4th shrouding flanging welded to back door threshold
Rail installing plate, pass through the 5th shrouding flanging welded to back door threshold lower supporting plate.
In present pre-ferred embodiments, above-mentioned body tail endergonic structure also includes shock absorber mounting board, damper peace
Loading board is used to be threaded pipe, floor side member including the first longeron side plate, longeron bottom plate and the second longeron side plate that are sequentially connected,
First longeron side plate and the second longeron side plate are oppositely arranged and form groove with longeron bottom plate, and shock absorber mounting board is arranged on groove
It is interior；Shock absorber mounting board and the first longeron side plate, longeron bottom plate and the second stringer sides plate shape are into cavity body structure.
In present pre-ferred embodiments, above-mentioned shock absorber mounting board subtracts close to the edge of the first longeron side plate by first
Device flanging welded is shaken to the first longeron side plate；Shock absorber mounting board is turned over close to the edge of the second longeron side plate by the second damper
While it is soldered to the second longeron side plate；Shock absorber mounting board includes installation top plate, the first side wall and second sidewall, the first side wall and the
Two side walls are oppositely arranged, installation top plate connection the first side wall and second sidewall；Edge of the first side wall away from installation top plate passes through
3rd damper flanging welded to longeron bottom plate, edge of the second sidewall away from installation top plate passes through the 4th damper flanging welded
To longeron bottom plate；Installation top plate has installation portion, and installation portion has deep-slotted chip breaker of the opening towards longeron bottom plate, and screwed pipe is fixed on
Between first longeron side plate and the second longeron side plate and in the deep-slotted chip breaker of installation portion.
In present pre-ferred embodiments, above-mentioned installation portion is provided with multiple spaced welding holes.
The beneficial effects of the invention are as follows：MPV automobiles include longeron, the threshold that is arranged on the outside of longeron and with longeron and door
The connected floor of sill, longeron include front longitudinal and floor side member, and floor includes preceding floor and rear floor, and threshold includes propping up under back door threshold
Fagging and back door threshold guide rail installing plate, body tail endergonic structure also include connecting plate after the back door threshold inner panel that is sequentially connected, dragged
Arm medial cradle and back door threshold inner panel shrouding are draged, connecting plate, towing arm medial cradle and back door threshold inner panel seal after back door threshold inner panel
Plate is located at automotive C column bottom, the front end of rear wheel cover；Connecting plate, towing arm medial cradle and back door threshold inner panel after back door threshold inner panel
The cavity body structure formed between shrouding and back door threshold lower supporting plate, back door threshold guide rail installing plate, rear floor, floor side member, towing arm
It is arranged between towing arm medial cradle and back door threshold lower supporting plate, the stress from towing arm is passed by towing arm medial cradle
It is handed to floor side member, back door threshold component (back door threshold lower supporting plate and back door threshold inner panel) is transferred to by back door threshold lower supporting plate
On, the cavity body structure is solid reliable, improves the stability of towing arm.Further, connecting plate after back door threshold inner panel, in Rear drag arm
Floor side member, rear floor, back door threshold guide rail installing plate, back door threshold lower supporting plate are welded into one by side stand, back door threshold inner panel shrouding
Individual integral frame structure, during side impact from the impulsive force that threshold is brought also by connecting plate after back door threshold inner panel, Rear drag arm on the inside of
Support and back door threshold inner panel shrouding are delivered on floor side member and the crossbeam being connected with floor side member, improve the collision of vehicle body side impact
Energy.
Further, body tail endergonic structure also includes threshold supporting plate, threshold supporting plate connection front door sill inner panel, after
Threshold internal plate, preceding floor, back door threshold guide rail installing plate and front longitudinal simultaneously form cavity body structure, threshold supporting plate and automobile B-column pair
Together, side connection front door sill inner panel and back door threshold inner panel 12, opposite side connection front longitudinal, when car body is collided in side, one
Part absorbs energy by threshold supporting plate, remainder energy transmission to front longitudinal, effectively improves the collision of B columnar regions
Energy.There is welding point between front door sill inner panel and back door threshold inner panel, front door sill inner panel and back door threshold are encased with threshold supporting plate
Welding point between inner panel, the local stiffness in welding point region is added, it is preceding when side impact is occurring for automobile and biasing is touched
Threshold internal plate is also avoided that the bending deformation in weld region domain.
Further, body tail endergonic structure also includes shock absorber mounting board, and shock absorber mounting board is arranged on floor side member
The first longeron side plate, longeron bottom plate and the second stringer sides plate shape into groove and with the first longeron side plate, longeron bottom plate and
Two stringer sides plate shapes are used for mounting shock absorber into cavity body structure, shock absorber mounting board, and when vehicle is run, car body is in different operating modes
Caused impulsive force can cause to produce very big stress between damper and shock absorber mounting points, make the part of shock absorber mounting points
Deformation, weld cracking, shock absorber mounting board of the invention be arranged in inverted " u " character form structure in the groove of floor side member and with it is rear
Longeron forms cavity body structure, and floor side member is played a supporting role on vehicle width direction, improves the local stiffness of floor side member, prevents
Only floor side member and shock absorber mounting board are deformed by the impulsive force from damper.
The setting of the body tail endergonic structure of the present invention is reasonable, forms systematic endergonic structure, can effectively transmit
With the scattered various load outside in-car.Improve the threshold of the body tail and rigidity of wheel arch area, mode and NVH
Energy.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the present invention above-mentioned body tail endergonic structure and other mesh
, feature and advantage can become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of the body tail endergonic structure of presently preferred embodiments of the present invention.
Fig. 2 is the structural representation of the body tail endergonic structure of presently preferred embodiments of the present invention.
Fig. 3 is the structural representation at another visual angle of the body tail endergonic structure of presently preferred embodiments of the present invention.
Fig. 4 is the structural representation of the threshold supporting plate of the body tail endergonic structure of presently preferred embodiments of the present invention.
Fig. 5 be the body tail endergonic structure of presently preferred embodiments of the present invention back door threshold inner panel after the structure of connecting plate show
It is intended to.
Fig. 6 is the structural representation of the towing arm medial cradle of the body tail endergonic structure of presently preferred embodiments of the present invention
Figure.
Fig. 7 is the structural representation of the back door threshold inner panel shrouding of the body tail endergonic structure of presently preferred embodiments of the present invention
Figure.
Fig. 8 is that the damping installing plate of the body tail endergonic structure of presently preferred embodiments of the present invention is arranged on the knot of floor side member
Structure schematic diagram.
Fig. 9 a are that the damping installing plate of the body tail endergonic structure of presently preferred embodiments of the present invention is arranged on structural representation
Figure.
Fig. 9 b are the structural representations at Fig. 9 a another visual angle.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to the embodiment of body tail endergonic structure proposed by the present invention, structure, feature and
Its effect, describe in detail as follows.
For the present invention foregoing and other technology contents, feature and effects, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
The supporting construction that the body frame structure for automotive of MPV automobiles is typically formed by multiple longitudinal and cross beams, body frame structure for automotive are whole vapour
The structure carrier of car, for supporting, connecting each assembly (such as rear floor assembly, back door threshold assembly, rear wheel cover assembly) of automobile,
Each assembly is kept relatively correct position, and bear the various load of automobile interior exterior.Body tail endergonic structure is by from each
The compositions such as the connector of the part and connection of assembly between the components, it is the main transmission way of various impact energys and stress
Footpath.
Fig. 1 is the part-structure schematic diagram of the body tail endergonic structure of presently preferred embodiments of the present invention, and Fig. 2 is the present invention
Preferred embodiment body tail endergonic structure structural representation, Fig. 3 is the body tail of presently preferred embodiments of the present invention
The structural representation at another visual angle of endergonic structure, also referring to Fig. 1, Fig. 2 and Fig. 3, body tail energy-absorbing knot of the invention
Structure is adapted to be arranged at MPV automobiles, including longeron 110, threshold 120 and floor 130.The quantity of longeron 110 is two and interval is set
Put, every longeron 110 extends along length of wagon direction, and centre is connected by more crossbeams 210, below with a wherein longeron
110 and the part that is connected with the longeron 110 exemplified by illustrate.Longeron 110 includes connected front longitudinal 111 and floor side member
112.Threshold 120 is arranged on the outside of longeron 110, and threshold 120 is the important component in car body, structural strength for vehicle,
Rigidity and collision performance play the role of important；Threshold 120 generally comprises front door sill inner panel 121, back door threshold inner panel 122, back door
Sill lower supporting plate 123 and back door threshold guide rail installing plate 140 etc..Prolong in the range of where longeron 110 and crossbeam 210 on floor 130
Stretch and be connected with longeron 110 and threshold 120, cavity body structure is formed between floor 130 and longeron 110.In the present embodiment, floor
130 include connected preceding floor 131 and rear floor 132.Wherein, back door threshold inner panel 122 be arranged on back door threshold lower supporting plate 123 with
Afterwards between floor 123, back door threshold guide rail installing plate 140 is arranged between back door threshold inner panel 122 and rear floor 132.
Body tail endergonic structure also includes connecting plate 160, towing arm inner side after threshold supporting plate 150, back door threshold inner panel
Support 170 and back door threshold inner panel shrouding 180.After back door threshold inner panel in connecting plate 160, towing arm medial cradle 170 and back door threshold
Plate shrouding 180 be sequentially connected and with back door threshold lower supporting plate 123, back door threshold guide rail installing plate 140, rear floor 132, floor side member
The cavity body structure formed between 112.Wherein, threshold supporting plate 150 connects front door sill inner panel 121, back door threshold inner panel 122, preceding
Plate 131, back door threshold guide rail installing plate 140 and front longitudinal 111.Connecting plate 160 connects back door threshold lower supporting plate after back door threshold inner panel
123rd, back door threshold guide rail installing plate 140, floor side member 112, rear floor 132 and towing arm medial cradle 170.Towing arm medial cradle
Connecting plate 160, back door threshold guide rail installing plate 140, floor side member 112 and back door threshold inner panel shrouding after 170 connection back door threshold inner panels
180.Back door threshold inner panel shrouding 180 connects towing arm medial cradle 170, back door threshold lower supporting plate 123, back door threshold guide rail installing plate
140th, floor side member 112 and rear floor 132.
Fig. 4 is the structural representation of the threshold supporting plate of the body tail endergonic structure of presently preferred embodiments of the present invention, please
Fig. 1 and Fig. 4 is referred in the lump, and threshold supporting plate 150 is located at the underface of automobile B-column, and threshold supporting plate 150 connects front door sill inner panel
121st, back door threshold inner panel 122, preceding floor 131 and front longitudinal 111 and cavity body structure is formed.Specifically, threshold supporting plate 150 includes
Support baseboard 151, the first support side plate 152 and the second support side plate 153, the first support side plate 152 and the second support side plate 153
It is oppositely arranged, support baseboard 151 connects the first support side plate 152 and the second support side plate 153.Support baseboard 151 has first
The support flange of flange 151a and second 151b is supported, first supports flange 151a to be soldered in front door sill inner panel 121 and back door threshold
Plate 122, the second support flange 151b are soldered to front longitudinal 111.First support side plate 152 has the 3rd support flange 152a, the
Three support flange 152a are respectively welded to front door sill inner panel 121, preceding floor 131 and front longitudinal 111.Second support side plate 153 has
There is the 4th support flange 153a, the 4th support flange 153a to be respectively welded to back door threshold inner panel 122, preceding floor 131 and front longitudinal
111.By the first support side plate 152, support baseboard 151, the second support side plate 153 and front door sill inner panel 121, back door threshold inner panel
122nd, a cavity body structure is surrounded between preceding floor 131, front longitudinal 111.The end of back door threshold guide rail installing plate 140 is welded on
In two support side plates 152.
Have in the present embodiment, on the support baseboard 151 of threshold supporting plate 150 and avoid through hole 155, avoid through hole 155 1
Aspect is used for loss of weight, on the other hand when installing body tail endergonic structure because threshold supporting plate 150 is first welded with back door threshold,
Entrance of the through hole 155 for welding gun will be avoided when being welded during threshold supporting plate 150 with preceding floor 131 again afterwards, to solve threshold
The problem of solder joint of supporting plate 150 can not be stamped.
Threshold supporting plate 150 is alignd with automobile B-column, side connection front door sill inner panel 121 and back door threshold inner panel 12, opposite side
Front longitudinal 111 is connected, when car body is collided in side, a part absorbs energy, remainder energy by threshold supporting plate 150
Amount is delivered to front longitudinal 111, effectively improves the collision performance of B columnar regions.Between front door sill inner panel 121 and back door threshold inner panel 122
With welding point 124, the welding point between front door sill inner panel 121 and back door threshold inner panel 122 is encased with threshold supporting plate 150
124, the local stiffness in the region of welding point 124 is added, when side impact is occurring for automobile and biasing is touched, front door sill inner panel 121
Also it is avoided that the bending deformation in the region of welding point 124.
Fig. 5 be the body tail endergonic structure of presently preferred embodiments of the present invention back door threshold inner panel after the structure of connecting plate show
It is intended to, also referring to Fig. 1 and Fig. 5, connecting plate 160 includes connecting bottom board 161, the first connecting lateral plate 162 after back door threshold inner panel
With the second connecting lateral plate 163, the first connecting lateral plate 162 and the second connecting lateral plate 163 are oppositely arranged, the connection of connecting bottom board 161 the
One connecting lateral plate 162 and the second connecting lateral plate 163.Connecting bottom board 161 has the first connection flange 161a and the second connection flange
161b, the first connection flange 161a are soldered to floor side member 112, and the second connection flange 161b is soldered to back door threshold lower supporting plate 123.
There is first connecting lateral plate 162 the 3rd connection flange 162a, the 3rd connection flange 162a to be respectively welded to back door threshold lower supporting plate
123rd, back door threshold guide rail installing plate 140, rear floor 132 and floor side member 112.Second connecting lateral plate 163 has the 4th connection flange
163a, the 4th connection flange 163a are respectively welded to back door threshold lower supporting plate 123 and back door threshold guide rail installing plate 140.
Fig. 6 is the structural representation of the towing arm medial cradle of the body tail endergonic structure of presently preferred embodiments of the present invention
Figure, also referring to Fig. 1 and Fig. 6, towing arm medial cradle 170 be arranged on after back door threshold inner panel connecting plate 160 with back door threshold
Between plate shrouding 180.Towing arm medial cradle 170 includes connected installation portion 171 and connecting portion 173, and installation portion 171 includes peace
Loading board 1711, the first installation side plate 172 being oppositely arranged and the second installation side plate 1713, installing plate 1711 is towards away from rear floor
132 directions are arched upward, and connecting portion 173 connects the first installation side plate 172 and the second installation side plate 1713, and connecting portion 173 with afterwards
The distance between plate 132 is less than the distance between installing plate 1711 and rear floor 132.Second installation side plate 1713 has first
Frame flange 171a, first support flange 171a are soldered to floor side member 112；Installing plate 1711 has second support flange 171b and the
Three support flange 171c, second support flange 171b are soldered to the second connecting lateral plate 163 of connecting plate 160 after back door threshold inner panel,
3rd support flange 171c is soldered to back door threshold inner panel shrouding 180；Connecting portion 173 has a 4th support flange 173a, the 4th
Frame flange 173a is respectively welded to back door threshold guide rail installing plate 140 and back door threshold inner panel shrouding 180.Wherein, (figure is not for towing arm
Show) fixing end be arranged on and surrounded by installation portion 171, connecting portion 173 and back door threshold guide rail installing plate 140 in groove, installation portion
171 installing plate 1711 is provided with the first mount point 201 for being used for installing towing arm, and back door threshold lower supporting plate 123 is close to towing
The position of arm medial cradle 170 is provided with the second mount point 202 for being used for installing towing arm, and towing arm is arranged on the first mount point
201 and second in mount point 202.
Fig. 7 is the structural representation of the back door threshold inner panel shrouding of the body tail endergonic structure of presently preferred embodiments of the present invention
Figure, also referring to Fig. 1 and Fig. 7, back door threshold inner panel shrouding 180 is approximately perpendicular to the length direction of threshold 120, back door threshold inner panel
Shrouding 180 is used to close to the end of tire seal threshold 120 to form cavity body structure.Back door threshold inner panel shrouding 180 includes phase
First end 181 and the second end 182 even, wherein edge of the first end 181 away from the second end 182 passes through the first shrouding
Flange 181a is connected to floor side member 112, and edge of the second end 182 away from first end 181 passes through the second shrouding flange 182a
It is connected to back door threshold lower supporting plate 123.First end 181 and the second end 182 pass through the 3rd shrouding close to the rear side of floor 132
Flange 183 is welded to rear floor 132.Edge contour of the first end 182 away from the rear side of floor 132 coordinates collateral in towing arm
The contour shape of frame 170, the 3rd support flange 171c and the support flange 173a of part the 4th welding of towing arm medial cradle 170
On first end 182.Edge contour of the second end 182 away from the rear side of floor 132 coordinates back door threshold guide rail installing plate 140
With the contour shape of back door threshold lower supporting plate 123, wherein, pass through the 4th shrouding close to the edge of back door threshold guide rail installing plate 140
Flange 182b is soldered to back door threshold guide rail installing plate 140；Pass through the 5th shrouding flange close to the edge of back door threshold lower supporting plate 123
182c is soldered to back door threshold lower supporting plate 123.
In the present embodiment, connecting plate 160, towing arm medial cradle 170 and back door threshold inner panel shrouding 180 after back door threshold inner panel
Led positioned at automotive C column bottom, the front end of rear wheel cover (not shown), and with back door threshold lower supporting plate 123, rear floor 132, back door threshold
The cavity body structure of closing is formed between rail installing plate 140, floor side member 112, towing arm is arranged on towing arm medial cradle 170 with after
Between threshold lower supporting plate 123, the stress from towing arm is transmitted by the first mount point 201 of towing arm medial cradle 170
To floor side member 112, back door threshold component is transferred to by the second mount point 202 of back door threshold lower supporting plate 123 (supported under back door threshold
Plate 123 and back door threshold inner panel 122) on, the cavity body structure is solid reliable, improves the stability of towing arm.Further, back door threshold inner panel
Connecting plate 160, Rear drag arm medial cradle 170, back door threshold inner panel shrouding 180 are floor side member 112, rear floor 132, back door threshold afterwards
Guide rail installing plate 140, back door threshold lower supporting plate 123 are welded into an integral frame structure, the impact brought from threshold during side impact
After power is also by connecting plate 160, Rear drag arm medial cradle 170 and back door threshold inner panel shrouding 180 are delivered to after back door threshold inner panel
On longeron 112 and the crossbeam being connected with floor side member 112, the collision performance of vehicle body side impact is improved.
Body tail endergonic structure also includes shock absorber mounting board 190.After Fig. 8 is the vehicle body of presently preferred embodiments of the present invention
The damping installing plate of portion's endergonic structure is arranged on the structural representation of floor side member, and Fig. 9 a are the vehicle bodies of presently preferred embodiments of the present invention
The damping installing plate of rear portion endergonic structure is arranged on structural representation, and Fig. 9 b are the structural representations at Fig. 9 a another visual angle,
Also referring to Fig. 2, Fig. 3, Fig. 8, Fig. 9 a and Fig. 9 b, shock absorber mounting board 190 is arranged in the floor side member below rear wheel cover
On 112, shock absorber mounting board 190 is used for the screwed pipe 196 for setting connection damper.Floor side member 112 includes what is be sequentially connected
First longeron side plate 1121, the longeron side plate 1123 of longeron bottom plate 1122 and second, the first longeron side plate 1121 and the second stringer sides
Plate 1123 is oppositely arranged, and groove 1124 is surrounded by the first longeron side plate 1121, the longeron side plate 1123 of longeron bottom plate 1122 and second,
Openend welding floor 130 (not illustrated in figure) of groove 1124.Shock absorber mounting board 190 is arranged in groove 1124 and with the
One longeron side plate 1121, the welding of the longeron side plate 1123 of longeron bottom plate 1122 and second form the cavity body structure of closure.
Specifically, shock absorber mounting board 190 passes through the first damper flange close to the edge of the first longeron side plate 1121
190a is soldered to the first longeron side plate 1121；Shock absorber mounting board 190 passes through second close to the edge of the second longeron side plate 1123
Damper flange 190b is soldered to the second longeron side plate 1123.Shock absorber mounting board 190 includes installation top plate 191, the first side wall
192 and second sidewall 193, the first side wall 192 and second sidewall 193 be oppositely arranged, installation top plate 191 connect the first side wall 192
Inverted " u " font structure is formed with second sidewall 193.Edge of the first side wall 192 away from installation top plate 191 passes through the 3rd damper
Flange 190c is soldered to longeron bottom plate 1122, and edge of the second sidewall 193 away from installation top plate 191 passes through the 4th damper flange
190d is soldered to longeron bottom plate 1122.
Top plate 191 is installed and is provided with the installation portion 194 coordinated with screwed pipe 196, installation portion 194 has and screwed pipe 196
Deep-slotted chip breaker 194a that is that overall diameter coordinates and being open towards longeron bottom plate 1122, screwed pipe 196 are fixed on the first longeron side plate
1121 and second between longeron side plate 1123 and in the deep-slotted chip breaker 194a of installation portion 194.Specifically, the first longeron side plate
1121 and second longeron side plate 1123 be equipped with the through hole (figure do not mark) of installation screwed pipe 196, it is vertical that screwed pipe 196 is arranged in first
The through hole of the longeron side plate 1123 of beam side plate 1121 and second and against installation top plate 191 installation portion 194.In the present embodiment, peace
Dress portion 194 is provided with multiple spaced welding holes 195, and welding hole 195 is, for example, Long Circle, its long diametric(al) and floor side member
112 length directions are consistent.Screwed pipe 196 and installation portion 194 are welded together by the welding hole 195 on installation portion 194, welded
The bonding area that hole 195 adds carbon-dioxide arc welding is connect, effectively prevents screwed pipe 196 by answering on vehicle width direction
Power, which is pullled, makes the weld of screwed pipe 196 fail.
When vehicle is run, car body can cause between damper and shock absorber mounting points in impulsive force caused by different operating modes
Very big stress is produced, makes the part deformation of shock absorber mounting points, weld cracking, shock absorber mounting board 190 of the invention is in
Inverted " u " character form structure is arranged in the groove 1124 of floor side member 112 and forms cavity body structure with floor side member 112, in vehicle width
Floor side member 112 is played a supporting role on direction, improves the local stiffness of floor side member 112, prevents floor side member 112 and damper from pacifying
Loading board 190 is deformed by the impulsive force from damper.
The beneficial effects of the invention are as follows：MPV automobiles include longeron 110, the threshold 120 being arranged on the outside of longeron and with indulging
The floor 130 that beam 110 is connected with threshold 120, longeron 110 include front longitudinal 111 and floor side member 112, and floor 130 includes preceding floor
131 and rear floor 132, threshold 120 include back door threshold lower supporting plate 123 and back door threshold guide rail installing plate 140, body tail energy-absorbing
Structure also includes connecting plate 160, towing arm medial cradle 170 and back door threshold inner panel shrouding after the back door threshold inner panel that is sequentially connected
180, connecting plate 160, towing arm medial cradle 170 and back door threshold inner panel shrouding 180 are located under automotive C column after back door threshold inner panel
Portion, the front end of rear wheel cover；After back door threshold inner panel connecting plate 160, towing arm medial cradle 170 and back door threshold inner panel shrouding 180 with
The cavity body structure formed between back door threshold lower supporting plate 123, back door threshold guide rail installing plate 140, rear floor 132, floor side member 112,
Towing arm is arranged between towing arm medial cradle 170 and back door threshold lower supporting plate 123, and the stress from towing arm passes through towing
Arm medial cradle 170 is transferred to floor side member 112, is transferred to back door threshold component (under back door threshold by back door threshold lower supporting plate 123
Supporting plate 123 and back door threshold inner panel 122) on, the cavity body structure is solid reliable, improves the stability of towing arm.Further, back door
Connecting plate 160 after sill inner panel, Rear drag arm medial cradle 170, back door threshold inner panel shrouding 180 floor side member 112, rear floor 132,
Back door threshold guide rail installing plate 140, back door threshold lower supporting plate 123 are welded into an integral frame structure, from the band of threshold 120 during side impact
The impulsive force come is also by connecting plate 160, Rear drag arm medial cradle 170 and back door threshold inner panel shrouding 180 after back door threshold inner panel
It is delivered on floor side member 112 and the crossbeam 210 being connected with floor side member 112, improves the collision performance of vehicle body side impact.
Further, body tail endergonic structure also includes threshold supporting plate 150, and threshold supporting plate 150 connects front door sill
Inner panel 121, back door threshold inner panel 122, preceding floor 131 and front longitudinal 111 simultaneously form cavity body structure, threshold supporting plate 150 and automobile B
Post aligns, side connection front door sill inner panel 121 and back door threshold inner panel 12, opposite side connection front longitudinal 111, car body side by
During collision, a part absorbs energy by threshold supporting plate 150, and remainder energy transmission effectively improves B to front longitudinal 111
The collision performance of columnar region.There is welding point 124, with threshold supporting plate between front door sill inner panel 121 and back door threshold inner panel 122
150 encase the welding point 124 between front door sill inner panel 121 and back door threshold inner panel 122, add the region of welding point 124
Local stiffness, when side impact is occurring for automobile and biasing is touched, front door sill inner panel 121 is also avoided that the curved of the region of welding point 124
Sell off shape.
Further, body tail endergonic structure also includes shock absorber mounting board 190, and shock absorber mounting board 190 is arranged on
First longeron side plate 1121 of floor side member 112, the longeron side plate 1123 of longeron bottom plate 1122 and second formed in groove 1124 and with
First longeron side plate 1121, the side plate of 1122 and second longeron of longeron bottom plate 1123 form cavity body structure, and shock absorber mounting board 190 is used
In mounting shock absorber, when vehicle is run, car body can cause damper to be installed with damper in impulsive force caused by different operating modes
Very big stress is produced between point, makes the part deformation of shock absorber mounting points, weld cracking, shock absorber mounting board of the invention
190 are arranged in the groove 1124 of floor side member 112 in inverted " u " character form structure and form cavity body structure with floor side member 112, in automobile
Floor side member 112 is played a supporting role on width, the local stiffness of floor side member 112 is improved, prevents floor side member 112 and damping
Device installing plate 190 is deformed by the impulsive force from damper.
The setting of the body tail endergonic structure of the present invention is reasonable, forms systematic endergonic structure, can effectively transmit
With the scattered various load outside in-car.Improve the threshold of the body tail and rigidity of wheel arch area, mode and NVH
Energy.
Body tail endergonic structure provided by the present invention is described in detail above, it is used herein specifically individual
Example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, in specific embodiment party
There will be changes in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of body tail endergonic structure, it is characterized in that, including longeron (110), the door that is arranged on the outside of the longeron (110)
Sill (120) and the floor (130) being connected with the longeron (110) and the threshold (120), before the longeron (110) includes
Longeron (111) and floor side member (112), the floor (130) include preceding floor (131) and rear floor (132), the threshold
(120) back door threshold lower supporting plate (123) and back door threshold guide rail installing plate (140) are included, the body tail endergonic structure also wraps
Include connecting plate (160), towing arm medial cradle (170) and back door threshold inner panel shrouding (180) after the back door threshold inner panel being sequentially connected；
Connecting plate (160), the towing arm medial cradle (170) and the back door threshold inner panel shrouding (180) after the back door threshold inner panel
With the back door threshold lower supporting plate (123), the back door threshold guide rail installing plate (140), it is described after floor (132), it is described after it is vertical
The cavity body structure formed between beam (112).
2. body tail endergonic structure as claimed in claim 1, it is characterized in that, the threshold (120) also includes in front door sill
Plate (121) and back door threshold inner panel (122), the body tail endergonic structure also include threshold supporting plate (150), the threshold branch
Fagging (150) connect the front door sill inner panel (121), the back door threshold inner panel (122), the preceding floor (131) and it is described before
Longeron (111) simultaneously forms cavity body structure.
3. body tail endergonic structure as claimed in claim 2, it is characterized in that, the threshold supporting plate (150) includes support
Bottom plate (151), the first support side plate (152) and the second support side plate (153), first support side plate (152) and described
Two support side plates (153) are oppositely arranged, and the support baseboard (151) connects first support side plate (152) and described second
Support side plate (153)；The support baseboard (151) has the first support flange (151a) and the second support flange (151b), institute
State the first support flange (151a) and be soldered to the front door sill inner panel (121) and the back door threshold inner panel (122), described second
Support flange (151b) is soldered to the front longitudinal (111)；First support side plate (152) has the 3rd support flange
(152a), it is described 3rd support flange (152a) be respectively welded to the front door sill inner panel (121), the preceding floor (131) and
The front longitudinal (111)；Second support side plate (153) has the 4th support flange (153a), the 4th support flange
(153a) is respectively welded to the back door threshold inner panel (122), the preceding floor (131) and the front longitudinal (111), the back door
The end of sill guide rail installing plate (140) is welded on second support side plate (153).
4. body tail endergonic structure as claimed in claim 3, it is characterized in that, the support bottom of the threshold supporting plate (150)
Have on plate (151) and avoid through hole (155).
5. body tail endergonic structure as claimed in claim 1, it is characterized in that, connecting plate (160) after the back door threshold inner panel
Including connecting bottom board (161), the first connecting lateral plate (162) and the second connecting lateral plate (163), first connecting lateral plate (162)
Be oppositely arranged with second connecting lateral plate (163), the connecting bottom board (161) connect first connecting lateral plate (162) and
Second connecting lateral plate (163)；The connecting bottom board (161) has the first connection flange (161a) and the second connection flange
(161b), the first connection flange (161a) are soldered to the floor side member (112), the second connection flange (161b) welding
To the back door threshold lower supporting plate (123)；First connecting lateral plate (162) has a 3rd connection flange (162a), and described the
Three connection flange (162a) be respectively welded to the back door threshold lower supporting plate (123), the back door threshold guide rail installing plate (140),
Floor (132) and the floor side member (112) after described；Second connecting lateral plate (163) has the 4th connection flange (163a),
The 4th connection flange (163a) is respectively welded to the back door threshold lower supporting plate (123) and the back door threshold guide rail installing plate
(140)。
6. body tail endergonic structure as claimed in claim 5, it is characterized in that, the towing arm medial cradle (170) includes
Connected installation portion (171) and connecting portion (173), the installation portion (171) include installing plate (1711), be oppositely arranged first
Installation side plate (172) and the second installation side plate (1713), direction of the installing plate (1711) towards the remote rear floor (132)
Arch upward；The connecting portion (173) connects first installation side plate (172) and second installation side plate (1713)；Described
Two installation side plates (1713) have first support flange (171a), and the first support flange (171a) is soldered to the floor side member
(112), the installing plate (1711) has second support flange (171b) and the 3rd support flange (171c), the second support
Flange (171b) is soldered to the second connecting lateral plate (163) of connecting plate (160) after the back door threshold inner panel, and the 3rd support turns over
Side (171c) is soldered to the back door threshold inner panel shrouding (180)；The connecting portion (173) has the 4th support flange (173a),
The 4th support flange (173a) is respectively welded to the back door threshold guide rail installing plate (140) and the back door threshold inner panel shrouding
(180)；The installing plate (1711) is provided with the first mount point (201) for being used for installing towing arm, the back door threshold lower supporting plate
(123) the second mount point (202) for being used for installing towing arm is provided with close to the position of the towing arm medial cradle (170).
7. body tail endergonic structure as claimed in claim 6, it is characterized in that, the back door threshold inner panel shrouding (180) includes
Connected first end (181) and the second end (182), side of the first end (181) away from the second end (182)
Edge is connected to the floor side member (112) by the first shrouding flange (181a), and the second end (182) is away from the first end
The edge in portion (181) is connected to the back door threshold lower supporting plate (123), the first end by the second shrouding flange (182a)
(181) and the second end (182) is welded to institute close to rear floor (132) side by the 3rd shrouding flange (183)
State rear floor (132)；The second end (182) passes through the 4th shrouding flange (182b) away from rear floor (132) side
The back door threshold guide rail installing plate (140) is soldered to, is soldered under the back door threshold and supports by the 5th shrouding flange (182c)
Plate (123).
8. body tail endergonic structure as claimed in claim 1, it is characterized in that, the body tail endergonic structure also includes subtracting
Device installing plate (190) is shaken, the shock absorber mounting board (190) is used to be threaded pipe (196), the bag of the floor side member (112)
The first longeron side plate (1121) being sequentially connected, longeron bottom plate (1122) and the second longeron side plate (1123) are included, described first is vertical
Beam side plate (1121) and the second longeron side plate (1123) are oppositely arranged and form groove with the longeron bottom plate (1122)
(1124), the shock absorber mounting board (190) is arranged in the groove (1124)；The shock absorber mounting board (190) and the
One longeron side plate (1121), longeron bottom plate (1122) and the second longeron side plate (1123) form cavity body structure.
9. body tail endergonic structure as claimed in claim 8, it is characterized in that, the shock absorber mounting board (190) is close to institute
The edge for stating the first longeron side plate (1121) is soldered to the first longeron side plate by the first damper flange (190a)
(1121)；The shock absorber mounting board (190) is turned over close to the edge of the second longeron side plate (1123) by the second damper
Side (190b) is soldered to the second longeron side plate (1123)；The shock absorber mounting board (190) include installation top plate (191),
The first side wall (192) and second sidewall (193), the first side wall (192) are oppositely arranged with the second sidewall (193), institute
State installation top plate (191) and connect the first side wall (192) and the second sidewall (193)；The first side wall (192) is remote
The edge of the installation top plate (191) is soldered to the longeron bottom plate (1122) by the 3rd damper flange (190c), described
Edge of the second sidewall (193) away from the installation top plate (191) is soldered to described vertical by the 4th damper flange (190d)
Beam bottom plate (1122)；The installation top plate (191) has installation portion (194), and the installation portion (194) has opening described in
The deep-slotted chip breaker (194a) of longeron bottom plate (1122), the screwed pipe (196) are fixed on the first longeron side plate (1121) and institute
State between the second longeron side plate (1123) and in the deep-slotted chip breaker (194a) of the installation portion (194).
10. body tail endergonic structure as claimed in claim 9, it is characterized in that, the installation portion (194) is provided with multiple intervals
The welding hole (195) of arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034085.6A CN105501311B (en) | 2015-12-30 | 2015-12-30 | Body tail endergonic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034085.6A CN105501311B (en) | 2015-12-30 | 2015-12-30 | Body tail endergonic structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105501311A CN105501311A (en) | 2016-04-20 |
| CN105501311B true CN105501311B (en) | 2017-11-28 |
Family
ID=55709727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034085.6A Active CN105501311B (en) | 2015-12-30 | 2015-12-30 | Body tail endergonic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105501311B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972746A (en) * | 2016-10-25 | 2018-05-01 | 上汽通用五菱汽车股份有限公司 | A kind of body platform stiffener assembly |
| CN109760753A (en) * | 2019-03-11 | 2019-05-17 | 汉腾汽车有限公司 | Longitudinal floor beam front-end reinforcing structure after a kind of |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10129533A (en) * | 1996-11-06 | 1998-05-19 | Nissan Motor Co Ltd | Rear body structure of automobile |
| JP4094357B2 (en) * | 2002-07-02 | 2008-06-04 | 本田技研工業株式会社 | Fuel cell vehicle body structure |
| JP4207806B2 (en) * | 2004-03-02 | 2009-01-14 | 日産自動車株式会社 | Body floor structure |
| CN201165251Y (en) * | 2007-12-14 | 2008-12-17 | 奇瑞汽车股份有限公司 | Automobile lower body construction |
| US8608230B2 (en) * | 2012-04-13 | 2013-12-17 | Toyota Motor Engineering & Manufacturing North America, Inc. | Localized energy dissipation structures for vehicles |
| CN202806890U (en) * | 2012-08-15 | 2013-03-20 | 北汽福田汽车股份有限公司 | Vehicle floor framework and vehicle |
| CN203005562U (en) * | 2012-11-14 | 2013-06-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile doorsill supporting structure |
| CN204197058U (en) * | 2014-09-30 | 2015-03-11 | 长城汽车股份有限公司 | Floor assembly skeleton structure and vehicle body after vehicle body |
| CN104554481A (en) * | 2014-12-26 | 2015-04-29 | 长城汽车股份有限公司 | Front floor framework for vehicle body and vehicle |
| CN205273630U (en) * | 2015-12-30 | 2016-06-01 | 广州汽车集团股份有限公司 | Automobile body rear portion energy -absorbing structure |
-
2015
- 2015-12-30 CN CN201511034085.6A patent/CN105501311B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105501311A (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8807597B2 (en) | Frontal collision energy absorption structure for vehicle | |
| US8727380B2 (en) | Suspension tower structure for vehicle | |
| US8714635B2 (en) | Front body of vehicle | |
| US8870224B2 (en) | Engine cradle with deflector device | |
| US7862085B2 (en) | Three-dimensional vehicle frame | |
| US8882150B2 (en) | Bump stopper | |
| JP6039806B2 (en) | Subframe for vehicle | |
| CN103085885B (en) | The reinforcement structure in back prop portion | |
| CN105438268A (en) | Side vehicle-body structure of vehicle | |
| CN104590388B (en) | A kind of installation method of body of a motor car cyclic path structure | |
| CN205273630U (en) | Automobile body rear portion energy -absorbing structure | |
| US9266564B1 (en) | Rear rail adapted to induce spare tire rotation in a rear-end collision | |
| CN102963433A (en) | Vehicle-body structure of vehicle and manufacturing method of the same | |
| CN101624009A (en) | Vehicular canister mounting structure | |
| CN105501311B (en) | Body tail endergonic structure | |
| CN109278868A (en) | Vehicle body front structure | |
| US8657059B2 (en) | Attachment structure of propeller shaft to cross-member | |
| CN201922879U (en) | Assembling structure for rear damper seat of automobile body | |
| CN203637762U (en) | Fixing device of safety belt of automobile back seat | |
| CN205365745U (en) | Automobile frame rear structure and car | |
| CN105774916B (en) | Rear doorsill of automobile assembly | |
| CN105923049A (en) | Vehicle longitudinal beam | |
| CN202623839U (en) | Damper installation plate and automobile bottom surface floor assembly connecting structure | |
| CN112888621A (en) | Motor vehicle | |
| US9039072B2 (en) | Motor vehicle body with wheel installation strut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |