CN106005028B - Body side wall A column assembly - Google Patents
Body side wall A column assembly Download PDFInfo
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- CN106005028B CN106005028B CN201610607030.8A CN201610607030A CN106005028B CN 106005028 B CN106005028 B CN 106005028B CN 201610607030 A CN201610607030 A CN 201610607030A CN 106005028 B CN106005028 B CN 106005028B
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- column
- side wall
- top beam
- assembly according
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
Abstract
The invention discloses a kind of body side wall A column assemblies, and including A column and the top side rail connecting with A column, A column and top side rail are made of aluminum profile and internal have cavity.Body side wall A column assembly of the invention, using hollow aluminium profile, overall weight is small, intensity is high, and collision safety performance is more excellent, is conducive to electric car lightweight, can effectively extend electric car course continuation mileage；And be made through the top side rail of setting of aluminum profile, structure is simple, good rigidity, improves the rigidity property of side wall assembly.
Description
Technical field
The invention belongs to electric vehicle engineering fields, specifically, the present invention relates to a kind of body side wall A column assemblies.
Background technique
Electric car has energy-saving and environment-friendly advantage as a kind of new-energy automobile, and electric car increasingly becomes automobile
The hot spot of area research.The generally existing problem in electric car field is that accumulator of electric car course continuation mileage is limited at present, this
Limit the popularization and application of electric car.
Side wall assembly in existing Body skeleton of electric automobile is mainly by groups such as A column assembly, B-pillar assembly and C column assemblies
At A column assembly, B-pillar assembly and C column assembly are formed using steel plate punched, and complex forming technology is at high cost, manufactured side
It is big to enclose assembly weight, is unfavorable for electric car lightweight, cannot effectively extend electric car course continuation mileage, and metalwork production dress
Match and maintenance cost is higher, be unfavorable for reducing cost, is not able to satisfy energy conservation and environmental protection requirement.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of electricity
The body side wall A column assembly of electrical automobile, it is therefore an objective to meet vehicle lightweight requirements.
To achieve the goals above, the technical scheme adopted by the invention is as follows: body side wall A column assembly, including A column and
The top side rail connecting with A column, A column and top side rail are made of aluminum profile and inside has cavity.
The top side rail includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal first to add
The inner cavity of hollow body is separated into multiple independent cavitys by strengthening tendons, the first reinforcing rib.
The top side rail has sequentially connected first top beam side wall, the second top beam side wall, third top beam side wall, the 4th top
Beam side wall, the 5th top beam side wall, the 6th top beam side wall and the 7th top beam side wall, the first top beam side wall and the second top beam side wall are used for
It is connect with exterior trimming parts, the B-pillar assembly of side wall assembly is connect with third top beam side wall and the 4th top beam side wall, the C column of side wall assembly
Assembly is connect with third top beam side wall, and the 7th top beam side wall with front windshield and top cover assembly for connecting.
The 5th top beam side wall is to be obliquely installed relative to the 7th top beam side wall, the 5th top beam side wall and the 7th top
Angle between beam side wall is acute angle.
The 5th top beam side wall is that the inside inclined downward of downwardly the 7th top beam side wall extends, the 5th top beam
Angle between side wall and the 6th top beam side wall is obtuse angle.
The top side rail also has between the first top beam side wall and the 7th top beam side wall and direction the 7th
The convex ribs protruded above top beam side wall, convex ribs are connect with the first top beam side wall and the 7th top beam side wall.
There is cross reinforcing rib inside the top side rail, cross reinforcing rib by the inner cavity of top side rail be separated into four it is independent
Cavity.
The cross reinforcing rib and the second top beam side wall, the third top beam side wall, the 4th top beam side wall, institute
The 6th top beam side wall is stated to connect with the 7th top beam side wall.
The A column includes surrounding the hollow body formed by multiple side walls and being set to hollow pipe intracorporal second to add
The inner cavity of hollow body is separated into multiple independent cavitys by strengthening tendons, the second reinforcing rib.
The A column has sequentially connected first A column side wall, the 2nd A column side wall, the 3rd A column side wall, the 4th A column
Side wall, the 5th A column side wall and the 6th A column side wall, the first A column side wall are oppositely arranged with the 3rd A column side wall, the 2nd A column side wall with
4th A column side wall, the 5th A column side wall and the 6th A column side wall are oppositely arranged and parallel with the 6th A column side wall.
The first A column side wall and the 3rd A column side wall are parallel.
The 2nd A column side wall and the first A column side wall and the 3rd A column side wall are perpendicular, the 2nd A column side wall with
The 6th A column side wall is parallel.
The 4th A column side wall is to be obliquely installed relative to the 2nd A column side wall, the 4th A column side wall and the 3rd A
Angle between column side wall is obtuse angle.
The 5th A column side wall is towards extending to form door opening seam allowance side on the outside of the 6th A column side wall.
The 5th A column side wall and the 6th A column side wall are perpendicular, and one end of the 5th A column side wall is in the 6th A column side wall
Inside connect with the 4th A column side wall, the other end is between the 6th A column side wall and the B-pillar assembly.
The A column assembly further includes the sleeve nut for being set on the A column and being used to install fastener.
The A column has the mounting hole for allowing the sleeve nut to be inserted into, and sleeve nut and mounting hole are interference fit.
The A column assembly further includes the A column connection structure connecting with the A column and the top side rail.
The A column connection structure includes A column attachment beam and connect with A column attachment beam and connect for the A column being oppositely arranged
Inner panel connects outside plate with A column, and A column connection outside plate is located at the outside of A column connection inner panel.
The A column attachment beam is vertical with the upper end of the A column to be connect and extends towards the front of A column, described
One end of top side rail is connect with A column attachment beam, and the other end is connect with the C column assembly.
The A column connection outside plate is connect with the A column attachment beam, the top side rail and the A column.
The A column connection inner panel is connect with the A column attachment beam, the top side rail and the A column.
The A column connection outside plate connects the mounting hole that inner panel has installation fender with the A column.
The A column connection outside plate connects inner panel with the A column with location hole, and location hole is located at the top of mounting hole.
Body side wall A column assembly of the invention, using hollow aluminium profile, overall weight is small, intensity is high, collision peace
Full performance is more excellent, is conducive to electric car lightweight, can effectively extend electric car course continuation mileage；And through the top margin of setting
Beam is made of aluminum profile, and structure is simple, good rigidity, improves the rigidity property of side wall assembly.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the structural schematic diagram of body frame side wall assembly；
Fig. 2 is the structural schematic diagram of A column assembly of the present invention；
Fig. 3 is the structural schematic diagram of top side rail；
Fig. 4 is the cross-sectional view of top side rail；
Fig. 5 is the structural schematic diagram of A column；
Fig. 6 is A-A cross-sectional view in Fig. 5；
Fig. 7 is B-B cross-sectional view in Fig. 5；
Fig. 8 is the structural schematic diagram of A column connection outside plate；
Fig. 9 is the structural schematic diagram of B-pillar assembly；
Figure 10 is the main view of B-pillar assembly；
Figure 11 is C-C cross-sectional view in Figure 10；
Figure 12 is enlarged drawing at D in Fig. 9；
Figure 13 is the enlarged drawing of B column column Yu top side rail junction；
Figure 14 is the structural schematic diagram of C column assembly；
Figure 15 is the cross-sectional view of C column；
Figure 16 is the structural schematic diagram of sill strip assembly；
Figure 17 is the decomposition diagram of sill strip assembly；
Figure 18 is the main view of sill strip assembly；
Figure 19 is E-E cross-sectional view in Figure 18；
Figure 20 is F-F cross-sectional view in Figure 18；
Figure 21 is the cross-sectional view of sill strip assembly；
Figure 22 is battery installation nutplate installation enlarged diagram；
Figure 23 is the installation diagram of B-pillar assembly Yu top side rail and sill strip assembly；
Figure 24 is the structural schematic diagram of body frame side wall assembly Background Region；
In the figure, it is marked as
1, the first sealing plate；2, the second sealing plate；3, third sealing plate；4, A column assembly；401, A column；402, the connection of A column is outer
Plate；403, A column attachment beam；404, top side rail；405, front support beam；406, preceding reinforcing beam；407, the first top beam side wall；408,
Two top beam side walls；409, third top beam side wall；410, the 4th top beam side wall；411, the 5th top beam side wall；412, the 6th top beam side
Wall；413, the 7th top beam side wall；414, convex ribs；415, the first reinforcing rib；416, the first A column side wall；417, the 2nd A column side wall；
418, the 3rd A column side wall；419, the 4th A column side wall；420, the 5th A column side wall；421, the 6th A column side wall；422, second reinforces
Muscle；423, sleeve nut；424, fender mounting hole；425, location hole；5, B-pillar assembly；501, B column；502, B column is reinforced
Beam；503, the first B column tube body；504, the first extension；505, the 2nd B column tube body；506, the second extension；507, third is reinforced
Muscle；508, the 4th reinforcing rib；509, the first mounting surface；510, the second mounting surface；6, C column assembly；601, C column；602,
Five reinforcing ribs；603, C column connecting plate；604, the first supporting beam；605, the second supporting beam；7, sill strip assembly；701, sill strip
Ontology；702, fixed frame is lifted；703, nutplate mounting bar；704, battery installs nutplate；705, rivet；706, rear sealing plate；
707, preceding sealing plate；708, seam allowance connecting plate；8, rear reinforcing beam.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As shown in Figure 1, being a kind of body frame side wall assembly with body side wall A column assembly of the present invention, it is suitable for electronic
Automobile, the body frame side wall assembly include A column assembly 4 of the invention, B-pillar assembly 5, C column assembly 6 and sill strip assembly 7.Such as
Shown in Fig. 2, A column assembly 4 of the invention is including A column 401 and C column assembly 6 and and B are extended to since A column 401
The top side rail 404 that column assembly 5 and C column assembly 6 connect, i.e. top side rail 404 are to extend to set along the whole length direction of side wall assembly
It sets, top side rail 404 is simultaneously made of aluminum profile and internal has cavity.
Specifically, as depicted in figs. 1 and 2, top side rail 404 is the component at the top of side wall assembly, sill strip assembly 7
For positioned at the component of side wall assembly bottom, top side rail 404 and sill strip assembly 7 and A column 401, B-pillar assembly 5 and C column assembly
6 connect and compose the main structure of side wall assembly.The material of top side rail 404 is aluminum profile, by raw material extrusion molding, then will
Tubing with the cavity structure molded can form top side rail 404 according to vehicle body design shape bending.Such as Fig. 3 and Fig. 4 institute
Show, top side rail 404 includes surrounding the hollow body formed by multiple side walls and being set to intracorporal first reinforcing rib of hollow pipe
415, the inner cavity of hollow body is separated into multiple independent cavitys by the first reinforcing rib 415, using top side rail made of aluminum profile
It is 404 good rigidity, light-weight, so that A column assembly 4 of the invention is met vehicle lightweight requirements.
Top side rail 404 is uniform beam, and cross-sectional structure is as shown in figure 4, top side rail 404 has sequentially connected first
Top beam side wall 407, the second top beam side wall 408, third top beam side wall 409, the 4th top beam side wall 410, the 5th top beam side wall 411,
6th top beam side wall 412 and the 7th top beam side wall 413.First top beam side wall 407 and the second top beam side wall 408 are electronic for installing
The exterior trimming parts of body of a motor car, the exterior trimming parts at the top of vehicle body can be installed to top side rail 404 by way of fastener and/or clamping
On, easy disassembly.B-pillar assembly 5 is connect with third top beam side wall 409 and the 4th top beam side wall 410, C column assembly 6 and third top beam
Side wall 409 connects, and the 7th top beam side wall 413 is for installing front windshield and top cover assembly, and the 6th top beam side wall 412 is for pacifying
Other beam bodies at the top of body frame are filled, such as front windshield lower beam, roof front transverse beam, top cover middle transverse beam and rear head piece, front
Wind glass is mounted on front windshield lower beam and roof front transverse beam, top cover assembly be mounted on roof front transverse beam, top cover middle transverse beam and
Afterwards on head piece.
On body frame, tool there are two side wall assembly, the top side rail 404 of two side wall assemblies distinguish front windshield and
One end of top cover assembly provides support, therefore the 7th top of the roof as top side rail 404 to front windshield and top cover assembly
The width direction of beam side wall 413 and X are to parallel.As shown in figure 4, third top beam side wall 409 and 410 conduct of the 4th top beam side wall
The bottom wall portion of top side rail 404 and with the 7th top beam side wall 413 be oppositely arranged, the first top beam side wall 407 and the 6th top beam side
Wall 412 is located at the side of the 7th top beam side wall 413 and extends towards the same side of the 7th top beam side wall 413, the first top beam
Side wall 407 and the 6th top beam side wall 412 are to be oppositely arranged, and the second top beam side wall 408 and the 5th top beam side wall 411 are opposite set
It sets.
Preferably, as shown in figure 4, the 5th top beam side wall 411 and the 6th top beam side wall 412 are used as top side rail 404
Side wall in driver's cabin side, the 6th top beam side wall 412 are vertical relative to the 7th top beam side wall 413 being substantially in a horizontal state
Setting, substantially 90 degree of the angle between the 6th top beam side wall 412 and the 7th top beam side wall 413, the 5th top beam side wall 411 are opposite
It is to be obliquely installed in the 7th top beam side wall 413 being substantially in a horizontal state, the 5th top beam side wall 411 and the 7th top beam side wall 413
Between angle be acute angle, and the 5th top beam side wall 411 is that the inside inclined downward of downwardly the 7th top beam side wall 413 prolongs
It stretches, the angle between the 5th top beam side wall 411 and the 6th top beam side wall 412 is obtuse angle, the upper end of the 5th top beam side wall 411 and the
The lower end of six top beam side walls 412 connects, and third top beam side wall 409 is biased in the lower end of the 5th top beam side wall 411.Top side rail 404
5th top beam side wall 411 is located at the above-head of occupant, and it is court that the 5th top beam side wall 411, which is disposed relative to occupant's head,
Inclined downward extends outward, so as to improve passenger's head space, improves riding comfort.
Preferably, as shown in figure 4, connecting between two to be connected the top beam side wall of top side rail 404 for arc transition
It connects, the first top beam side wall 407 and the second top beam side wall 408 are V-arrangement arrangement, third top beam side wall 409 and the 4th top beam side wall 410
For V-arrangement arrangement, the first top beam side wall 407, the second top beam side wall 408, third top beam side wall 409 and 410 phase of the 4th top beam side wall
It is to be obliquely installed for the 7th top beam side wall 413 being in a horizontal state, the first top beam side wall 407 and the second top beam side wall 408
Between angle be obtuse angle, the angle between the second top beam side wall 408 and third top beam side wall 409 is obtuse angle, third top beam side
Angle between wall 409 and the 4th top beam side wall 410 is obtuse angle, between the 4th top beam side wall 410 and the 5th top beam side wall 411
Angle is obtuse angle.
Preferably, as shown in figure 4, top side rail 404, which also has, is located at the first top beam side wall 407 and the 7th top beam side wall
The convex ribs 414 that outer upper side between 413 and towards the 7th top beam side wall 413 is protruded, convex ribs 414 and the first top beam side wall 407
End connected with the end of the 7th top beam side wall 413, the width of convex ribs 414 is smaller, seven of convex ribs 414 and top side rail 404
Top beam side wall makes the cross section of top side rail 404 form closed ring structure.The convex ribs 414 of protrusion are set on top side rail 404, it can be with
Increase the size of top side rail 404, improves the whole rigidity of top side rail 404.
Preferably, first reinforces as shown in figure 4, the inside of top side rail 404 also has first reinforcing rib 415
Muscle 415 is preferably that cross section is criss-cross cross reinforcing rib, and cross reinforcing rib keeps formation four inside top side rail 404 independent
Cavity.First reinforcing rib 415 has in the circumferential there are four end, the first end of the first reinforcing rib 415 and the second top beam side wall 408
Connection, second end is in the junction of third top beam side wall 409 and the 4th top beam side wall 410 and third top beam side wall 409 and the 4th
Top beam side wall 410 connects, and third end is in the junction of the 5th top beam side wall 411 and the 6th top beam side wall 412 and the 5th top beam side
Wall 411 and the connection of the 6th top beam side wall 412, the 4th end is connect with the 7th top beam side wall 413.
Preferably, A column 401 is made of aluminum profile and inside has cavity.As shown in Fig. 2, A column
401 are vertically arranged, and the upper end of A column 401 is connect by A column connection structure with the front end of top side rail 404, lower end and threshold
The front end of beam assembly 7 connects.As shown in figure 5, A column 401 includes surrounding the hollow body formed and setting by multiple side walls
In intracorporal second reinforcing rib 422 of hollow pipe, the inner cavity of hollow body is separated into multiple independent skies by the second reinforcing rib 422
Chamber makes hollow body and the integrated extrusion molding of the second reinforcing rib 422 by raw material when production.Using A column made of aluminum profile
It is the good rigidity of pillar 401, light-weight, so that A column assembly 4 is met vehicle lightweight requirements.
A column 401 be essentially uniform beam, cross-sectional structure as shown in fig. 6, A column 401 have be sequentially connected
The first A column side wall 416, the 2nd A column side wall 417, the 3rd A column side wall 418, the 4th A column side wall 419, the 5th A column side wall 420
With the 6th A column side wall 421, the first A column side wall 416 and the 3rd A column side wall 418 are to be oppositely arranged, the 2nd A column side wall 417 and the
Four A column side walls 419, the 5th A column side wall 420 and the 6th A column side wall 421 be oppositely arranged, the 2nd A column side wall 417 and with the 6th A
Column side wall 421 is parallel.First A column side wall 416 is located at the side wall of driver's cabin side, the first A column side wall as A column 401
416 for installing the components such as instrument desk and car door, therefore the width direction of the first A column side wall 416 is parallel with Y-direction, length side
To parallel with Z-direction.
Preferably, as shown in fig. 6, the first A column side wall 416 and the 3rd A column side wall 418 are parallel, the 2nd A column side wall
417 is perpendicular with the first A column side wall 416 and the 3rd A column side wall 418, and the 2nd A column side wall 417 is equal with the 6th A column side wall 421
Row.The width direction of 2nd A column side wall 417 and the 6th A column side wall 421 is with X to parallel, length direction is parallel with Z-direction.The
The width of three A column side walls 418 is less than the width of the first A column side wall 416, and the width of the 6th A column side wall 421 is less than the 2nd A column side
The width of wall 417, the 4th A column side wall 419 are to be obliquely installed relative to the 2nd A column side wall 417, the 4th A column side wall 419 and third
Angle between A column side wall 418 is obtuse angle.5th A column side wall 420 and the 6th A column side wall 421 are perpendicular, the 5th A column side wall
420 one end is connect in the inside of the 6th A column side wall 421 with the 4th A column side wall 419, and the other end is located at the 6th A column side wall 421
Between B-pillar assembly 5, i.e. a part of the 5th A column side wall 420 is located inside hollow body, and another part is along X to towards hollow
The outside of tube body is stretched out, and the 5th A column side wall 420 forms door opening seam allowance towards the part that the outside of the 6th A column side wall 421 extends
Side.
Preferably, second reinforces as shown in fig. 6, the inside of A column 401 also has second reinforcing rib 422
Muscle 422 is preferably that cross section is criss-cross cross reinforcing rib, and cross reinforcing rib makes to form four independences inside A column 401
Cavity.Second reinforcing rib 422 has in the circumferential there are four end, the first end of the second reinforcing rib 422 and the first A column side wall
416 vertical connections, second end is vertical with the 2nd A column side wall 417 to be connect, and third end is vertical with the 3rd A column side wall 418 to be connect, the
Four ends are connect with the 5th A column side wall 420.
Preferably, as shown in fig. 7, A column assembly 4 further includes being set on A column 401 and for installing fastener
Sleeve nut 423, fastener is bolt, the structure of sleeve nut 423 as well known in the skilled person,
This is repeated no more.First A column side wall 416 of A column 401 and the 3rd A column side wall 418, which are equipped with, allows sleeve nut 423 to be inserted into
Mounting hole, sleeve nut 423 is packed into mounting hole by way of extruding, sleeve nut 423 and with mounting hole be interference
Cooperation.By presetting sleeve nut 423, is provided conveniently to install other components, improve installation effectiveness.
As depicted in figs. 1 and 2, A column assembly 4 further includes the A column connection knot connecting with A column 401 and top side rail 404
Structure, A column connection structure include A column attachment beam 403 and connect with A column attachment beam 403 and connect inner panel for the A column being oppositely arranged
(not shown) connects outside plate 402 with A column, and A column connection outside plate 402 is located at the outside of A column connection inner panel.A column attachment beam 403
It is perpendicular to the length direction towards the extension of the front of A column 401 and the two along X, the rear end of A column attachment beam 403 and A column branch
The upper end of column 401 is welded to connect, and the front end of top side rail 404 and the front end of A column attachment beam 403 are welded to connect, after top side rail 404
End is welded to connect with C column assembly 6.A column attachment beam 403 is preferably made of aluminum profile, and A column attachment beam 403 is uniform beam,
The cross section of A column attachment beam 403 and be that rectangle using the good rigidity of A column attachment beam 403 made of aluminum profile, light-weight makes A
Column assembly 4 meets vehicle lightweight requirements.
As depicted in figs. 1 and 2, A column connection inner panel is connected outside plate 402 with A column and is made of aluminium plate, and A column connects inner panel
The structure for connecting outside plate 402 with A column is essentially identical, have a generally triangular shape structure, and A column connection inner panel is located at A column connection outside plate 402
Inside, the 3rd A column side wall 418 that A column connects outside plate 402 and A column attachment beam 403, top side rail 404 and A column 401 welds
Connection, A column connects inner panel and the first A column side wall 416 of A column attachment beam 403, top side rail 404 and A column 401 is welded to connect,
A column, which connects between inner panel and A column connection outside plate 402, has certain spacing, forms cavity, it is good to guarantee that structural strength has simultaneously
Good side impact energy-absorbing effect.
As shown in figure 8, A column connection outside plate 402 connects inner panel with A column with a location hole 425 and one for installing
The mounting hole 424 of fender, location hole 425 are to play positioning when connecting inner panel assembly with A column for A column connection outside plate 402 to make
With location hole 425 and the rear side oblique upper for being located at mounting hole 424.
As shown in Fig. 2, A column assembly 4 further includes being set to 403 lower section front support beam 405 of A column attachment beam and being set to preceding branch
Support the preceding reinforcing beam 406 of the lower section of beam 405, A column attachment beam 403 and front support beam 405 is parallel and the two is in the same direction towards A
The front side of column 401 extends, and the rear end of front support beam 405 and A column 401 are welded to connect.Preceding reinforcing beam 406 is that inclination is set
It is placed in the lower section of front support beam 405, the upper end of preceding reinforcing beam 406 and front support beam 405 are welded to connect, lower end and A column 401
It is welded to connect.The front support beam 405 of A column assembly 4 is used to provide support, preceding reinforcing beam to be mounted on body frame front deck inner part
The support strength of front support beam 405 can be improved in 406 setting.
As shown in Fig. 1 and Fig. 9, B-pillar assembly 5 include the B column 501 being connect with top side rail 404 and with B column 501
The B column reinforcing beam 502 of connection, B column 501 and B column reinforcing beam 502 are made of aluminum profile and inside has cavity, B column branch
Column 501 is vertically arranged, and the upper end of B column 501 and top side rail 404 are welded to connect, and the rear end of lower end and sill strip assembly 7 connects
It connects.As shown in figure 11, B column 501 includes surrounding the first B column tube body 503 formed by multiple side walls and being set to the first B column
The inner cavity of first B column tube body 503 is separated into multiple independent by the third reinforcing rib 507 in tube body 503, third reinforcing rib 507
Cavity makes the first B column tube body 503 and the integrated extrusion molding of third reinforcing rib 507 by raw material when production.B column reinforcing beam 502
It mainly include that the 4th for surrounding the 2nd B column tube body 505 formed by multiple side walls and being set in the 2nd B column tube body 505 reinforces
The inner cavity of 2nd B column tube body 505 is separated into multiple independent cavitys by muscle 508, the 4th reinforcing rib 508, and when production passes through former material
Material makes the 2nd B column tube body 505 and the integrated extrusion molding of the 4th reinforcing rib 508.Using B column 501 made of aluminum profile and B column
It is the good rigidity of reinforcing beam 502, light-weight, so that B-pillar assembly 5 is met vehicle lightweight requirements, and B column reinforcing beam 502 can be with
Improve the integral strength of B-pillar assembly 5.
First B column tube body 503 is uniform beam, and cross-sectional structure is as shown in figure 11, and the first B column tube body 503 is by four
A side wall surrounds the hollow body to be formed, and the cross section of the first B column tube body 503 is rectangle.First B column tube body 503 it is interior
Portion is additionally provided with two third reinforcing ribs 507, and third reinforcing rib 507 is preferably the reinforcing rib that cross section is linear type, and third is reinforced
The width direction of muscle 507 is parallel with Y-direction, and third reinforcing rib 507 makes the inner cavity of the first B column tube body 503 be separated into three independences
Cavity, the B column 501 of formation is the beam body that cross section is mu character shape.
2nd B column tube body 505 also be uniform beam, cross-sectional structure is as shown in figure 11, the 2nd B column tube body 505 be by
Six side walls surround the hollow body to be formed, and the cross section of the 2nd B column tube body 505 is convex shape.2nd B column tube body 505
Inside be additionally provided with the 4th reinforcing rib 508, the 4th reinforcing rib 508 is preferably the reinforcing rib that cross section is linear type, the 4th
The width direction of reinforcing rib 508 is parallel with Y-direction, and it is large and small that the 4th reinforcing rib 508 is separated into the inner cavity of the 2nd B column tube body 505
Two independent cavitys.
As shown in Fig. 1 and Fig. 9, the length of B column reinforcing beam 502 is less than the length of B column 501, and B column reinforcing beam 502 is in B
The rear side and B column 501 of column 501 are welded to connect, and company is simultaneously welded with sill strip assembly 7 in the lower end of B column reinforcing beam 502
It connects.B column 501 further includes the first extension 504 connecting with the lower end of the first B column tube body 503, and B column reinforcing beam 502 also wraps
The second extension 506 connecting with the lower end of the 2nd B column tube body 505 is included, between the first extension 504 and the second extension 506
There is spacing in Y-direction and the spacing forms the locating slot for allowing sill strip assembly 7 to be embedded in.The lower end surface of first B column tube body 503 and
The lower end surface of 2nd B column tube body 505 is aligned, and the first extension 504 is since the lower end surface of the first B column tube body 503 to downward
It stretches to be formed, the first extension 504 is simultaneously integrally formed with the first B column tube body 503, and the second extension 506 is from the 2nd B column tube body
505 lower end surface starts to be downwardly extending, and the second extension 506 is simultaneously integrally formed with the 2nd B column tube body 505.Pass through
One extension 504 and the second extension 506 match to form locating slot, convenient for when B-pillar assembly 5 and sill strip assembly 7 are assembled
It is positioned, B-pillar assembly 5 is made accurately and rapidly with 7 grafting of sill strip assembly, to improve assembly efficiency.
Since the third top beam side wall 409 of top side rail 404 and the 4th top beam side wall 410 are inclined-plane, so in B column
501 upper end is equipped with the v-depression for allowing top side rail 404 to be locally caught in, and B column 501 welds at v-depression with top side rail 404
It connects.As shown in Figure 12 and Figure 13, which is the downwardly inside of B column 501 since the top surface of B column 501
Recessed formation, and by aluminum profile cutting processing form, the inner wall of v-depression includes the first mounting surface of V-shaped arrangement
509 and second mounting surface 510, the first mounting surface 509 and the second mounting surface 510 are tapered plane, the first mounting surface 509 and the second peace
The lower end in dress face 510 connects and angle between the two is less than 180 degree.First mounting surface 509 is the 4th top with top side rail 404
Beam side wall 410 is bonded, and the second mounting surface 510 is bonded with the third top beam side wall 409 of top side rail 404.Therefore by B column branch
The upper end setting v-depression of column 501 is matched in top side rail 404, convenient for being determined when B-pillar assembly 5 and top side rail 404 are assembled
Position, docks B-pillar assembly 5 accurately and rapidly with top side rail 404, improves assembly efficiency, improves B-pillar assembly 5 and top side rail 404
Bonding strength and reliability.
As shown in Fig. 1 and Figure 14, C column assembly 6 includes the C column 601 connecting with top side rail 404, and C column 601 is adopted
It is made of aluminum profile and internal with cavity.C column 601 is vertically arranged, and the upper end of C column 601 and top side rail 404 weld
It connects in succession.As shown in figure 15, C column 601 mainly includes surrounding the hollow body formed by multiple side walls and being set to hollow
Intracorporal 5th reinforcing rib 602 is managed, the inner cavity of hollow body is separated into multiple independent cavitys by the 5th reinforcing rib 602, production
When by raw material make hollow body and the integrated extrusion molding of the 5th reinforcing rib 602.Had using C column made of aluminum profile
Good rigidity, light-weight advantage make C column assembly 6 meet vehicle lightweight requirements.
C column is uniform beam, and cross-sectional structure is as shown in figure 15, and C column includes surrounding shape by four side walls
At hollow body and be set to intracorporal 5th reinforcing rib 602 of hollow pipe, the 5th reinforcing rib 602 is arranged one, and the 5th reinforces
Muscle 602 is preferably the reinforcing rib that cross section is linear type, and the width direction of the 5th reinforcing rib 602 is parallel with Y-direction, and the 5th reinforces
Muscle 602 makes the inside of C column form two independent cavitys, and the C column of formation is the beam body that cross section is stud.
As shown in figure 14, C column assembly 6 further includes the C column connecting plate 603, C connecting with top side rail 404 and C column 601
Column connecting plate 603 is made of aluminium plate, and C column connecting plate 603 is located at the inside (close to the side of driver's cabin) of C column 601,
The upper end of C column connecting plate 603 and the 6th top beam side wall 412 of top side rail 404 are welded to connect, the lower end of C column connecting plate 603 and C
The medial surface (close to the side of driver's cabin side) of column 601 is welded to connect, and the upper surface of C column 601 is and top side rail
It tapered plane that 404 third top beam side wall 409 is bonded and is welded to connect with top side rail 404, C column connecting plate 603 improves C column assembly
6 with the bonding strength and reliability of top side rail 404.
As shown in figure 14, C column assembly 6 further include the first supporting beam 604 for being connect with C column 601 and B-pillar assembly 5 with
And C column 601 connects and is located at the second supporting beam 605 of 604 lower section of the first supporting beam, the first supporting beam 604 is located at top margin
The underface of beam 404, the first supporting beam 604 simultaneously, first supporting beam 604 and second supporting beam parallel with the second supporting beam 605
605, which are all made of aluminum profile, is made.First supporting beam 604 is the horizontal beam body between C column 601 and B column 501, the
The front end of one supporting beam 604 and B column 501 are welded to connect, and the rear end of the first supporting beam 604 and the welding of C column 601 connect
It connects.The front end of second supporting beam 605 and B column reinforcing beam 502 are welded to connect, the rear end of the second supporting beam 605 and C column 601
Lower end be welded to connect, the second supporting beam 605 be preferably cross section be stud beam body.First supporting beam 604 and with second
The setting of supporting beam 605 can be improved the integral strength of C column assembly 6, improve C column assembly 6 and B-pillar assembly 5 bonding strength and
Reliability.
As shown in figure 24, body frame side wall assembly further includes the rear reinforcing beam 8 for being set to 605 lower section of the second supporting beam,
Reinforcing beam 8 and to be obliquely installed in the top of sill strip assembly 7 afterwards, the upper end of rear reinforcing beam 8 and the welding of the second supporting beam 605 connect
It connects, lower end and B column reinforcing beam 502 are welded to connect, and the second supporting beam 605 is located at the rear side oblique upper of sill strip assembly 7, rear to reinforce
The integral strength of C column assembly 6 can be improved in the setting of beam 8.
As shown in Figure 16 and Figure 17, sill strip assembly 7 includes sill strip ontology 701, and sill strip ontology 701 sets for level
It sets, the front end of sill strip ontology 701 and the lower end of A column 401 are welded to connect, the rear end of sill strip ontology 701 and B column
501 and B column reinforcing beam 502 is welded to connect.As shown in figure 19, sill strip ontology 701 includes surrounding the sky formed by multiple side walls
Heart tube body and it is set to intracorporal 6th reinforcing rib of hollow pipe, the inner cavity of hollow body is separated into multiple independences by the 6th reinforcing rib
Cavity, make hollow body and the 6th reinforcing rib one extrusion molding by raw material when production.Using door made of aluminum profile
Sill beam ontology 701 has the advantages that good rigidity, light-weight, side impact energy-absorbing effect is good, makes sill strip assembly 7 meet vehicle lightweight
It is required that.
As shown in Figure 16 and Figure 17, the battery fixing structure for fixing battery is equipped with inside sill strip ontology 701.Battery
The inside of sill strip ontology 701 is arranged in fixed structure, and tradition is arranged outside sill strip ontology 701 relatively, and stable structure can
It leans on, and saves sill strip lower space.
As illustrated in figures 19 and 20, be equipped in sill strip ontology 701 for by 701 inside division of sill strip ontology at one group
6th reinforcing rib of cavity, the 6th reinforcing rib are T shape reinforcing rib.Battery fixing structure is located at 701 bottom of sill strip ontology
In cavity, that is, it is mounted on the bottom plate of sill strip.
As shown in Figure 16 and Figure 17, the top surface of sill strip ontology 701 is equipped with hollow protrusion, protrusion and sill strip ontology
701 are integrally formed, and protrusion is for being inserted into the positioning formed by the first extension 504 and the second extension 506 of B-pillar assembly 5
In slot, the lower end surface of the first B column tube body 503 and the 2nd B column tube body 505 is bonded with the top surface of protrusion, the first extension 504 and the
Two extensions 506 respectively with protrusion a side be bonded, the lower end surface of the first extension 504 and the second extension 506 and with
The top surface of sill strip ontology 701 is bonded, and the lower end structure and sill strip ontology 701 and protrusion of B-pillar assembly 5 are welded to connect.
As shown in Figure 16 and Figure 17, the both ends of sill strip ontology 701 are equipped with sealing plate, and sealing plate is respectively 707 He of preceding sealing plate
Sealing plate 706 afterwards, two sealing plates are aluminium sheet, and weight is small.
701 one end of sill strip ontology is connected with A column 401, and 701 other end of sill strip ontology is connected with B-pillar assembly 5, A
The lower end of column 401 and sill strip ontology 701 is stuck in protrusion, and is connected by welding, and connection is reliable.Sill strip ontology
701 protrusion is equipped with lower part seam allowance, and is located at raised one end and is equipped with and stop for what is be connected with the side seam allowance on A column 401
Mouth connecting plate 708, improves the structural strength of seam allowance.
As indicated in figures 19 and 22, battery fixing structure includes nutplate mounting bar 703 and is located at nutplate mounting bar 703
On battery nutplate 704 is installed, nutplate mounting bar 703 is fixed on the bottom plate of sill strip ontology 701, bottom plate be equipped with
Battery installs the corresponding through-hole of screw hole in nutplate 704.
As indicated in figures 19 and 22, the bottom plate of sill strip ontology 701 is equipped with card slot, and nutplate mounting bar 703 is inserted in card
In slot, 703 installing and dismounting of nutplate mounting bar is easy, facilitates follow-up maintenance.Nutplate mounting bar 703 is equipped with a pair of of clamp,
Battery installation nutplate 704 is stuck in a pair of of clamp, and battery installs 704 simple installation of nutplate, and battery is installed in nutplate 704
Equipped with project-welding nut.All parts are individual components, and by fitting together, structure is simple, easy to process, low manufacture cost,
Convenient for subsequent maintenance replacement.
As indicated in figures 19 and 22, battery installation nutplate 704 is one group, and uniform intervals are located at nutplate mounting bar 703
On, after nutplate mounting bar 703 is inserted into card slot, 703 both ends of nutplate mounting bar are fixed on sill strip by the rivet 705 of core pulling
Bottom plate on.Bolt on battery frame is matched with the screw hole in battery installation nutplate 704, battery is fixed, door
Sill beam stress is uniform, and battery is fixed reliable.And entire battery fixing structure is located in sill strip ontology 701, is not take up outside
Space facilitates installation.
As shown in Figure 16 and Figure 17, lifting fixed frame 702 is equipped with below 701 both ends of sill strip ontology, i.e. lifting is fixed
Frame 702 is fixed on the bottom surface of the bottom plate of sill strip ontology 701, nutplate mounting bar 703 and lifting 702 upper and lower position of fixed frame
It is staggered, lifting fixed frame 702 is arranged by the outside of sill strip, and nutplate mounting bar 703 is arranged by the inside of sill strip, guarantees door
The structural strength of sill beam ontology 701, lifting fixed frame 702 is aluminium profile structure, light-weight.Nutplate mounting bar 703 and seam allowance
Connecting plate 708 is aluminium sheet structure, and weight is small, is conducive to electric car lightweight.
As shown in Figure 16 and Figure 17, two lifting fixed frames 702 are located at the both ends of sill strip, wherein being located at the lifting of front
Fixed frame 702 is located at the underface of A column 401, and the underface of B-pillar assembly 5 is located at positioned at the lifting fixed frame 702 at rear portion,
When being lifted by lifting fixed frame 702 to vehicle body, the stress of both ends lifting fixed frame 702 passes through sill strip respectively and passes to A column
Reliable and stable on pillar 401 and B-pillar assembly 5, sill strip assembly 7 is not easy bending deformation.
As shown in Figure 1, body frame side wall assembly further includes the first sealing plate 1, the second sealing plate 2 and third sealing plate 3, the first envelope
Plate 1 is located at the top of the second sealing plate 2 and third sealing plate 3, and the second sealing plate 2 and third sealing plate 3 are to be arranged side by side and third sealing plate 3
In the rear side of the second sealing plate 2.First sealing plate 1, the second sealing plate 2 and third sealing plate 3 are made of aluminium plate, the first sealing plate 1 and top
Side bar 404, B column 501, the first supporting beam 604 and C column 601 are welded to connect, the second sealing plate 2 and B column 501, B
Column reinforcing beam 502, rear reinforcing beam 8 and the first supporting beam 604 are welded to connect, third sealing plate 3 and C column 601, the first supporting beam
604 and second supporting beam 605 be welded to connect.
Front end, rear end involved in above content, X to, the nouns of locality such as Y-direction, Z-direction, X to, Y-direction and Z-direction be in automobile O-
Length direction, width direction and the short transverse of automobile are respectively indicated in XYZ coordinate system, the front end of all parts refers to close to vehicle
One end of head, rear end refer to close to one end of the tailstock.It requests to protect it should be appreciated that the use of the noun of locality should not limit the application
The range of shield.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (22)
1. body side wall A column assembly, which is characterized in that including A column and the top side rail being connect with A column and with A column
The A column connection structure that pillar is connected with top side rail, A column and top side rail are made of aluminum profile and inside has cavity, A column
Connection structure includes A column attachment beam and connect with A column attachment beam and be that the A column being oppositely arranged connects inner panel and the connection of A column is outer
Plate, A column connection outside plate be located at A column connection inner panel outside and A column connection inner panel and A column connection outside plate between have centainly between
Away from；
A column connection outside plate is connect with A column attachment beam, top side rail and A column, and A column connects inner panel and A column attachment beam, top side rail
Connected with A column, A column connection inner panel connect with A column outside plate using aluminium plate be made and A column connection inner panel connected with A column outside
Plate is triangular structure；
A column includes surrounding the hollow body formed by multiple side walls and being set to intracorporal second reinforcing rib of hollow pipe, the
The inner cavity of hollow body is separated into multiple independent cavitys by two reinforcing ribs.
2. body side wall A column assembly according to claim 1, which is characterized in that the top side rail includes by multiple side walls
It surrounds the hollow body formed and is set to intracorporal first reinforcing rib of hollow pipe, the first reinforcing rib divides the inner cavity of hollow body
It is divided into multiple independent cavitys.
3. body side wall A column assembly according to claim 1, which is characterized in that the top side rail has sequentially connected
First top beam side wall, the second top beam side wall, third top beam side wall, the 4th top beam side wall, the 5th top beam side wall, the 6th top beam side wall
With the 7th top beam side wall, the first top beam side wall and the second top beam side wall for connect with exterior trimming parts, the B-pillar assembly of side wall assembly and
Third top beam side wall and the connection of the 4th top beam side wall, the C column assembly of side wall assembly are connect with third top beam side wall, the 7th top beam side
Wall with front windshield and top cover assembly for connecting.
4. body side wall A column assembly according to claim 3, which is characterized in that the 5th top beam side wall is relative to institute
Stating the 7th top beam side wall is to be obliquely installed, and the angle between the 5th top beam side wall and the 7th top beam side wall is acute angle.
5. body side wall A column assembly according to claim 4, which is characterized in that the 5th top beam side wall be downwardly toward
Extend to the inside inclined downward of the 7th top beam side wall, the angle between the 5th top beam side wall and the 6th top beam side wall
For obtuse angle.
6. body side wall A column assembly according to claim 4, which is characterized in that the top side rail also has positioned at described
The convex ribs protruded between first top beam side wall and the 7th top beam side wall and above the 7th top beam side wall of direction, convex ribs and first
Top beam side wall and the connection of the 7th top beam side wall.
7. body side wall A column assembly according to claim 3, which is characterized in that add inside the top side rail with cross
The inner cavity of top side rail is separated into four independent cavitys by strengthening tendons, cross reinforcing rib.
8. body side wall A column assembly according to claim 7, which is characterized in that the cross reinforcing rib and described second
Top beam side wall, the third top beam side wall, the 4th top beam side wall, the 6th top beam side wall and the 7th top beam side wall
Connection.
9. body side wall A column assembly according to any one of claims 1 to 8, which is characterized in that second reinforcing rib is cross
Section is criss-cross cross reinforcing rib, and cross reinforcing rib makes to form four independent cavitys inside A column.
10. body side wall A column assembly according to any one of claims 1 to 8, which is characterized in that the A column have according to
The first A column side wall, the 2nd A column side wall, the 3rd A column side wall, the 4th A column side wall, the 5th A column side wall and the 6th A column of secondary connection
Side wall, the first A column side wall are oppositely arranged with the 3rd A column side wall, the 2nd A column side wall and the 4th A column side wall, the 5th A column side wall and
6th A column side wall is oppositely arranged and parallel with the 6th A column side wall.
11. body side wall A column assembly according to claim 10, which is characterized in that the first A column side wall and described
Three A column side walls are parallel.
12. body side wall A column assembly according to claim 11, which is characterized in that the 2nd A column side wall and described the
One A column side wall and the 3rd A column side wall are perpendicular, and the 2nd A column side wall is parallel with the 6th A column side wall.
13. body side wall A column assembly according to claim 12, which is characterized in that the 4th A column side wall is relative to institute
Stating the 2nd A column side wall is to be obliquely installed, and the angle between the 4th A column side wall and the 3rd A column side wall is obtuse angle.
14. body side wall A column assembly according to claim 13, which is characterized in that the 5th A column side wall is described in
Door opening seam allowance side is extended to form on the outside of 6th A column side wall.
15. body side wall A column assembly according to claim 14, which is characterized in that the 5th A column side wall and described the
Six A column side walls are perpendicular, and one end of the 5th A column side wall is connect in the inside of the 6th A column side wall with the 4th A column side wall, separately
One end is between the 6th A column side wall and the B-pillar assembly.
16. body side wall A column assembly according to claim 1, which is characterized in that the A column assembly further includes being set to
Sleeve nut on the A column and for installing fastener.
17. body side wall A column assembly according to claim 16, which is characterized in that the A column, which has, allows the set
The mounting hole of cylinder nut insertion, sleeve nut and mounting hole are interference fit.
18. body side wall A column assembly according to claim 3, which is characterized in that the A column attachment beam is along X to towards A
The front of column extends and the length direction of the two is perpendicular, and the rear end of A column attachment beam and the upper end of A column are welded and connected
It connects, the front end of top side rail and the front end of A column attachment beam are welded to connect.
19. body side wall A column assembly according to claim 18, which is characterized in that the A column attachment beam is using aluminium profiles
Material is made and A column attachment beam is uniform beam.
20. body side wall A column assembly according to claim 19, which is characterized in that the A column attachment beam and the A column
The upper end of pillar vertically connects and extends towards the front of A column, and one end of the top side rail is connect with A column attachment beam, separately
One end is connect with the C column assembly.
21. body side wall A column assembly described in 8 or 19 according to claim 1, which is characterized in that the A column connection outside plate and institute
State the mounting hole that A column connection inner panel has installation fender.
22. body side wall A column assembly according to claim 21, which is characterized in that the A column connection outside plate and the A
Column, which connects inner panel, has location hole, and location hole is located at the top of mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607030.8A CN106005028B (en) | 2016-07-29 | 2016-07-29 | Body side wall A column assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607030.8A CN106005028B (en) | 2016-07-29 | 2016-07-29 | Body side wall A column assembly |
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| CN106005028A CN106005028A (en) | 2016-10-12 |
| CN106005028B true CN106005028B (en) | 2019-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108639156A (en) * | 2018-06-12 | 2018-10-12 | 苏州普热斯勒先进成型技术有限公司 | White body and its manufacturing process |
| CN111301524B (en) * | 2018-12-11 | 2022-03-25 | 上海汽车集团股份有限公司 | Pure electric vehicle and rear auxiliary frame thereof |
| CN109940301B (en) * | 2019-04-03 | 2021-01-26 | 北京长城华冠汽车科技股份有限公司 | Automatic welding process for vehicle body side beam assembly |
| SE1950545A1 (en) * | 2019-05-07 | 2020-11-08 | Gestamp Hardtech Ab | Corner patch |
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| FR2982815B1 (en) * | 2011-11-22 | 2013-11-29 | Peugeot Citroen Automobiles Sa | MODULAR FOOT STRUCTURE BEFORE VERY BUSY VEHICLE WITH GOOD FRONTAL SHOCK |
| CN203497004U (en) * | 2013-07-11 | 2014-03-26 | 北京中瑞蓝科电动汽车技术有限公司 | Assembling and welding body frame for aluminum alloy sections |
| CN104228975A (en) * | 2014-09-10 | 2014-12-24 | 苏州奥杰汽车工业有限公司 | Automobile with special steel-aluminum section connecting pieces |
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| JP5685566B2 (en) * | 2012-09-27 | 2015-03-18 | 富士重工業株式会社 | Vehicle pillar structure |
| JP5910477B2 (en) * | 2012-12-06 | 2016-04-27 | トヨタ自動車株式会社 | Front pillar structure |
| CN103072631A (en) * | 2013-01-18 | 2013-05-01 | 苏州市奥杰汽车技术有限公司 | Combined A column and roof side rail of vehicle |
| EP3097003B1 (en) * | 2014-01-23 | 2018-08-08 | Shape Corp. | Automotive body components and assemblies |
| CN204674678U (en) * | 2015-05-13 | 2015-09-30 | 北京长城华冠汽车科技股份有限公司 | Car body of aluminum alloy top cover side bar |
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|---|---|---|---|---|
| FR2982815B1 (en) * | 2011-11-22 | 2013-11-29 | Peugeot Citroen Automobiles Sa | MODULAR FOOT STRUCTURE BEFORE VERY BUSY VEHICLE WITH GOOD FRONTAL SHOCK |
| CN203497004U (en) * | 2013-07-11 | 2014-03-26 | 北京中瑞蓝科电动汽车技术有限公司 | Assembling and welding body frame for aluminum alloy sections |
| CN104228975A (en) * | 2014-09-10 | 2014-12-24 | 苏州奥杰汽车工业有限公司 | Automobile with special steel-aluminum section connecting pieces |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |