CN115285230A - Stand subassembly, body structure, vehicle - Google Patents
Stand subassembly, body structure, vehicle Download PDFInfo
- Publication number
- CN115285230A CN115285230A CN202211060474.6A CN202211060474A CN115285230A CN 115285230 A CN115285230 A CN 115285230A CN 202211060474 A CN202211060474 A CN 202211060474A CN 115285230 A CN115285230 A CN 115285230A
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- vehicle body
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- vehicle
- connection base
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- 230000007704 transition Effects 0.000 claims abstract description 65
- 239000007769 metal material Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—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
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a stand column assembly, a vehicle body structure and a vehicle, wherein the stand column assembly comprises: a connection base body on which an extension portion extending toward an outside is formed, the connection base body being configured as a cast member and being a first metal material; the transition connecting piece is connected with the extending part, the transition connecting piece is connected with the connecting base body through a fastener and is made of a second metal material, and the transition connecting piece is suitable for being fixedly connected with a vehicle body. The column component designed according to the invention has fewer parts and is lighter, and the transition connecting piece is applied to the joint of the connecting base body with weak performance and the vehicle body, so that the strength performance of the vehicle body can be enhanced.
Description
Technical Field
The invention relates to the technical field of vehicle bodies, in particular to a stand column assembly, a vehicle body structure and a vehicle.
Background
In the related technology, the traditional vehicle body C, D column structure is formed by connecting a plurality of steel plate stamping parts through spot welding, besides a C, D column inner plate, a corresponding area also needs C, D column outer reinforcing plates, the number of parts is large, the structural weight is large, the requirement of increasing strict light weight cannot be met, the structural strength at the joint of a C column and a D column is weak, and the deformation is large when the torsional load of a vehicle body is borne. In the prior art, a C, D column structure of a vehicle is replaced by cast aluminum alloy, so that the weight is reduced, and the structure is simplified, however, the structure is suitable for positioning a high-grade all-aluminum vehicle body structure, for a vehicle body adopting steel-aluminum mixture, if a part overlapped with a C, D column structure is a steel plate part, since the cast aluminum alloy and the steel plate are different metals, the connection is generally realized by Self-piercing riveting technology (SPR), the space at the C, D column structure is small, the space provided for an SPR connecting tool is insufficient, the connection between the part and an C, D column cannot be realized, and since the SPR technology rivets different materials to rivet hard materials to soft materials, the steel plate part needs to be on the outer side of the vehicle body, and the structure is not favorable for structural reinforcement on the inner side of the vehicle body.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a pillar assembly for a vehicle body. The column component designed according to the invention has fewer parts and is lighter, and the transition connecting piece is applied to the connecting part of the connecting base body and the vehicle body with weak performance, so that the strength performance of the vehicle body can be enhanced.
The invention also provides a vehicle body structure with the stand column assembly.
The invention also provides a vehicle with the vehicle body structure.
The column assembly according to the present invention comprises: a connection base body on which an extension portion extending toward an outside is formed, the connection base body being configured as a casting and being a first metal material; the transition connecting piece is connected with the extending part, the transition connecting piece is connected with the connecting base body through a fastener and is made of a second metal material, and the transition connecting piece is suitable for being fixedly connected with a vehicle body.
According to the invention, the connecting base body and the transition connecting piece of the stand column assembly are made of different metal materials, and the transition connecting piece is applied to the connecting part of the connecting base body and the vehicle body with weak performance due to poor strength of the connecting part of the connecting base body and the vehicle body, so that the vehicle body structure made of mixed materials can be connected, and the stand column assembly has few parts, so that the vehicle body is lighter.
According to some embodiments of the invention, the connection matrix comprises: the connecting base plate extends along the front-back direction of the vehicle body, and the extending part is arranged on the connecting base plate; a reinforcement provided on the connection substrate and extending in a width direction of the vehicle body.
According to some embodiments of the invention, the extension comprises: a first extension connected to the connection base plate and extending in a height direction of the vehicle body, the first extension configured as a "C" pillar of the vehicle body; a second extension connected to the connection base plate and extending toward a bottom of the vehicle body in a direction toward a rear side of the vehicle body, the second extension configured as a "D" pillar of the vehicle body.
According to some embodiments of the invention, the stiffener comprises: horizontal reinforcing ribs provided on an inner surface of at least one of the connection base plate, the first extension portion, and the second extension portion, the horizontal reinforcing ribs being configured in plurality, each of the horizontal reinforcing ribs extending in a horizontal direction, the plurality of horizontal reinforcing ribs being arranged at intervals in a height direction; the vertical reinforcing ribs are arranged on the inner surface of at least one of the connecting base plate, the first extending part and the second extending part, the vertical reinforcing ribs are multiple in structure, each vertical reinforcing rib extends in the vertical direction, the vertical reinforcing ribs are multiple in arrangement at intervals in the front-back direction of the vehicle, and each vertical reinforcing rib is at least connected with two horizontal reinforcing ribs.
According to some embodiments of the invention, the transition piece is constructed as a steel plate and comprises: the first transition connecting plate is arranged at the bottom end of the first extending part and is suitable for being connected with a wheel cover of a vehicle body; and the second transition connecting plate is arranged at the bottom end of the second extending part and is suitable for being connected with the back door.
According to some embodiments of the present invention, the top of the connection substrate is formed with a beam connection portion extending in a width direction of the vehicle body, the beam connection portion being adapted to be connected with a roof beam.
According to some embodiments of the present invention, the top front end of the connection base plate is formed with a roof side rail connection portion extending in a front-rear direction of the vehicle, the roof side rail connection portion being adapted to be connected with a vehicle body roof side rail.
According to some embodiments of the invention, the transition piece and the extension are connected by a self-piercing riveting technique.
According to some embodiments of the invention, the connection base is configured as an aluminum casting.
A vehicle body structure according to another aspect of the present invention will be briefly described below.
The vehicle body structure comprises the pillar assembly in any one of the above embodiments, and the force transmission path of the vehicle body structure is smoother, the load can be transmitted more effectively, and the strength of the vehicle body structure is better because the vehicle body structure is provided with the pillar assembly in the above embodiments.
A vehicle according to another aspect of the embodiment of the invention is briefly described below.
The vehicle according to the present invention includes the vehicle body structure according to any one of the above embodiments, and since the vehicle according to the present invention is provided with the vehicle body structure according to the above embodiments, the vehicle has a small number of parts, is lighter in weight, and has better bending and torsional rigidity performance of the vehicle body.
In summary, the CD column inner plate of the pillar assembly of the present invention is a steel-aluminum hybrid design, the C column and the D column of the aluminum casting are respectively connected to the first transition connection plate and the second transition connection plate of steel through the SPR process to form a CD column inner plate assembly, and the CD column inner plate assembly is respectively connected to the roof side rail and the D column of the vehicle body in the longitudinal direction of the vehicle body to form a force transmission path in the longitudinal direction of the vehicle body, and the CD column inner plate assembly is also respectively connected to the C column and the roof side rail on the side surface of the vehicle body to form a force transmission path in the transverse direction of the vehicle body, and the CD column inner plate assembly respectively forms a load transmission path in the longitudinal direction and the transverse direction of the vehicle body to greatly enhance the bending and torsional rigidity of the vehicle body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an overall structural view of a pillar assembly mounted to a vehicle body according to an embodiment of the present invention.
Fig. 2 is an overall structural view of a pillar assembly according to an embodiment of the present invention.
Fig. 3 is an overall structural view of a connection base according to an embodiment of the present invention.
Fig. 4 is an overall structural view of a connection base according to an embodiment of the present invention.
Fig. 5 is an overall structural view of a connection base according to an embodiment of the present invention.
Fig. 6 is an overall structural view of a connection base according to an embodiment of the present invention.
Reference numerals are as follows:
a column assembly 1;
a connection base 10; a first extension 11; a second extension 12; a beam connecting portion 13; a roof side rail connecting portion 14; a positioning hole 15;
a first transition web 21; a second transition web 22;
a roof cross member 2; a vehicle body wheel house 3; a back door 4; a body upper edge rail 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically, electrically or otherwise in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the related technology, the traditional vehicle body C, D column structure is formed by connecting a plurality of steel plate stamping parts through spot welding, besides C, D column inner plates, C, D column outer reinforcing plates are needed in corresponding areas, the number of parts is large, the structural weight is large, the increasingly strict light-weight requirements cannot be met, the structural strength at the joint of a C column and a D column is weak, and the deformation is large when the torsional load of a vehicle body is borne. In the prior art, a C, D column structure of a vehicle is replaced by cast aluminum alloy, so that the weight is reduced, and the structure is simplified, however, the structure is suitable for positioning a high-grade all-aluminum vehicle body structure, for a vehicle body adopting steel-aluminum mixture, if a part overlapped with a C, D column structure is a steel plate part, since the cast aluminum alloy and the steel plate are different metals, the connection is generally realized by Self-piercing riveting technology (SPR), the space at the C, D column structure is small, the space provided for an SPR connecting tool is insufficient, the connection between the part and an C, D column cannot be realized, and since the SPR technology rivets different materials to rivet hard materials to soft materials, the steel plate part needs to be on the outer side of the vehicle body, and the structure is not favorable for structural reinforcement on the inner side of the vehicle body.
A pillar assembly 1 for a vehicle body according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.
As shown in fig. 1 to 2, a pillar assembly 1 according to the present invention includes: a connection base 10 and a transition piece. The connection base body 10 is formed with an extension portion extending toward the outside, the connection base body 10 is configured as a cast member and is a first metal material; a transition piece is connected to the extension, is connected to the connection base body 10 by means of a fastening element and is made of a second metal material, and is suitable for a fixed connection to a vehicle body. Specifically, the connection base body 10 is fixedly connected with the vehicle body through a transition piece, wherein the extension part of the connection base body 10 is connected with the transition piece through a fastener, and the transition piece is added between the connection base body 10 and the vehicle body, so that the connection base body 10 can be connected with the vehicle body under the condition of using fewer parts.
According to the column assembly 1, the connecting base 10 and the transition connecting piece are made of different metal materials, and the strength of the connecting position of the connecting base 10 and the vehicle body is poor, so that the transition connecting piece is applied to the connecting position of the connecting base 10 and the vehicle body with weak performance, the vehicle body structure made of mixed materials can be connected, and the column assembly 1 is small in number of parts, so that the vehicle body is lighter.
According to some embodiments of the present invention, as shown in fig. 3-6, the connection base 10 includes a connection substrate and a reinforcement member. The connecting base plate extends along the front-back direction of the vehicle body, and an extending part is arranged on the connecting base plate; the reinforcement is provided on the connection substrate and extends in the width direction of the vehicle body. Specifically, the connection substrate is connected with the transition piece through a fastener. The connection substrate extends towards the front and back direction of the vehicle body, the reinforcing piece extends towards the width direction of the vehicle body, and the reinforcing piece is arranged, so that the connection base body 10 has higher strength, the bending and torsional rigidity performance of the vehicle body is improved, and the strength of the vehicle body is reinforced.
According to some embodiments of the present invention, as shown in fig. 3-6, the extension comprises a first extension 11 and a second extension 12. The first extension 11 is connected to the connection base plate and extends in the height direction of the vehicle body, the first extension 11 being configured as a "C" pillar of the vehicle body; the second extension 12 is connected to the connection base plate and extends toward the bottom of the vehicle body in a direction toward the rear side of the vehicle body, the second extension 12 being configured as a "D" pillar of the vehicle body. Specifically, the first extending portion 11 is configured as a C-pillar of the vehicle body, the second extending portion 12 is configured as a D-pillar of the vehicle body, and a portion where the C-pillar and the D-pillar intersect is a connection base plate. The C column extends in the height direction of the vehicle body, the D column extends towards the bottom of the vehicle body in the direction towards the rear side of the vehicle body, and the C column and the D column form load transfer paths in the longitudinal direction and the transverse direction of the vehicle body, so that the bending and torsional rigidity performance of the vehicle body is greatly improved.
According to some embodiments of the invention, as shown in fig. 3-6, the reinforcement includes horizontal ribs and vertical ribs. A plurality of horizontal reinforcing ribs are provided on an inner surface of at least one of the connection base plate, the first extension portion 11, and the second extension portion 12, each horizontal reinforcing rib extending in a horizontal direction, the plurality of horizontal reinforcing ribs being arranged at intervals in a height direction; the vertical reinforcing ribs are provided on an inner surface of at least one of the connection base plate, the first extension portion 11 and the second extension portion 12, the vertical reinforcing ribs are configured in plurality, each vertical reinforcing rib extends in a vertical direction, the plurality of vertical reinforcing ribs are arranged at intervals in a front-rear direction of the vehicle, and each vertical reinforcing rib is connected with at least two horizontal reinforcing ribs. Specifically, horizontal and vertical reinforcing ribs may be provided to the connection base plate and/or the inner surface of the first extension part 11 and/or the second extension part 12 to reinforce the strength of the connection base 10 as a whole.
According to some embodiments of the present invention, as shown in fig. 2, the transition piece is configured as a steel plate and includes a first transition connection plate 21 and a second transition connection plate 22. The first transition connecting plate 21 is arranged at the bottom end of the first extending part 11, and the first transition connecting plate 21 is suitable for being connected with the wheel cover 3 of the vehicle body; a second transition web 22 is provided at the bottom end of the second extension 12, the second transition web 22 being adapted to be connected to the tailgate 4. Specifically, the transition connecting piece is made of a steel plate, the first extension portion 11, namely the C-column, is connected with the wheel cover 3 of the vehicle body through a first transition connecting plate 21 of the steel plate, and the second extension portion 12, namely the D-column, is connected with the back door 4 through a second transition connecting plate 22 of the steel plate, so that the connection of the vehicle body structure made of mixed materials can be realized.
According to some embodiments of the present invention, as shown in fig. 1, the top of the connection substrate is formed with a cross member connection portion 13 extending in the width direction of the vehicle body, the cross member connection portion 13 being adapted to be connected with the roof cross member 2. Specifically, the connection base body 10 is connected to the roof cross member 2, wherein a cross member connection portion 13 extending in the vehicle width direction is formed on a connection substrate of the connection base body 10, and the cross member connection portion 13 is connected to the roof cross member 2 to connect the connection base body 10 to the roof cross member 2.
According to some embodiments of the present invention, as shown in fig. 1, the top front end of the connection base plate is formed with a roof side rail connection portion 14, the roof side rail connection portion 14 extending in the front-rear direction of the vehicle, the roof side rail connection portion 14 being adapted to be connected with the vehicle body roof side rail 5. Specifically, the connection base 10 is connected to the body side rail 5, wherein a roof side rail connection portion 14 extending in the vehicle width direction is formed on a connection substrate of the connection base 10, and the roof side rail connection portion 14 is connected to the body side rail 5 to connect the connection base 10 to the body side rail 5.
According to some embodiments of the invention, the transition piece and the extension are connected by self-piercing riveting (SPR). Particularly, the transition connecting piece and the extension part are made of different metal materials, the SPR is suitable for connection between different metals, and the metal connection part using the SPR process is high in strength and firmer in connection.
According to some embodiments of the invention, the connection base 10 is configured as an aluminum casting. Specifically, the crossed joint of the C column and the D column is provided with a connecting base body 10, the connecting base body 10 is formed by cast aluminum through integral die-casting, the weight of the stand column assembly 1 can be reduced while the number of parts for connecting the C column and the D column is reduced, and the performance of the stand column assembly 1 is improved while the production cost is ensured.
In some embodiments, as shown in FIG. 2, the connection substrate 10 is formed with a plurality of positioning holes 15, and the positioning holes 15 can be used to mount the air curtain guide bracket or to position and connect the connection substrate 10 to other structures.
In some embodiments, as shown in fig. 2, a space for installing a triangular window is formed between the first transition connecting plate 21 and the connection base 10.
In some embodiments of the present invention, the stud assembly 1 includes a connection base 10 and a transition piece. The connection base body 10 is designed as an aluminum casting and the transition piece as a steel plate. The connection base 10 includes a connection base plate extending in the front-rear direction of the vehicle body and provided with an extension portion including a first extension portion 11 and a second extension portion 12, the first extension portion 11 being configured as a vehicle body C-pillar, the second extension portion 12 being configured as a vehicle body D-pillar, a portion where the C-pillar and the D-pillar intersect being the connection base plate, the C-pillar extending in the height direction of the vehicle body, the D-pillar extending toward the bottom of the vehicle body in a direction toward the rear side of the vehicle body; the reinforcing member includes a horizontal reinforcing rib and a vertical reinforcing rib, and the horizontal reinforcing rib and the vertical reinforcing rib are disposed on the inner surfaces of the connection base plate, the first extension portion 11, and the second extension portion 12. The transition connecting piece is made of steel plates and comprises a first transition connecting plate 21 and a second transition connecting plate 22, the first extension portion 11, namely the C column, is connected with the wheel cover 3 of the vehicle body through the first transition connecting plate 21 of the steel plates, and the second extension portion 12, namely the D column, is connected with the back door 4 through the second transition connecting plate 22 of the steel plates. A beam connecting portion 13 extending in the vehicle width direction is formed on the connecting substrate of the connecting base body 10, and the beam connecting portion 13 is connected to the roof rail 2 to connect the connecting base body 10 to the roof rail 2. A roof side rail connecting portion 14 extending in the vehicle width direction is formed on the connecting base plate of the connecting base 10, and the roof side rail connecting portion 14 is connected to the vehicle body roof side rail 5 to connect the connecting base 10 to the vehicle body roof side rail 5.
A second transition connecting plate 22 is additionally arranged between the D column and the back door 4, and the second transition connecting plate 22 is connected with the D column in advance through an SPR process; a first transition connecting plate 21 is additionally arranged between the C column and the wheel cover 3 of the vehicle body, and the first transition connecting plate 21 is connected with the C column in advance through an SPR process. The utility model provides a connection base member 10 and the transition piece of stand subassembly 1 are different metal material, because the intensity of connecting the junction of base member 10 and automobile body is relatively poor, are applied to the junction of the connection base member 10 that the performance is weak and the automobile body with the transition piece, can realize the connection of steel aluminium hybrid vehicle body structure to the stand subassembly 1 part of this application is small in quantity, makes the vehicle automobile body more lightweight.
The vehicle body structure according to the present invention is briefly described below.
The vehicle body structure comprises the pillar assembly 1 in any one of the above embodiments, and the vehicle body structure is provided with the pillar assembly 1 in the above embodiments, so that the force transmission path of the vehicle body structure is smoother, the load can be transmitted more effectively, and the strength of the vehicle body structure is better.
The vehicle according to the present invention is briefly described below.
The vehicle according to the present invention includes the vehicle body structure according to any one of the above embodiments, and since the vehicle according to the present invention is provided with the vehicle body structure according to the above embodiments, the vehicle has a small number of parts, is lighter in weight, and has better bending and torsional rigidity performance of the vehicle body.
In summary, the CD column inner plate of the pillar component 1 of the present invention is designed by mixing steel and aluminum, the C column and the D column, which are configured as aluminum castings, are respectively connected with the first transition connection plate 21 and the second transition connection plate 22, which are made of steel, through the SPR process to form a CD column inner plate assembly, and the CD column inner plate assembly is respectively connected with the upper side beam 5 and the D column of the vehicle body in the longitudinal direction of the vehicle body to form a force transmission path in the longitudinal direction of the vehicle body, and the CD column inner plate assembly is also respectively connected with the C column and the top cover beam 2 on the side surface of the vehicle body to form a force transmission path in the transverse direction of the vehicle body, and the CD column inner plate assembly respectively forms a load transmission path in the longitudinal direction and the transverse direction of the vehicle body to greatly improve the bending and torsional rigidity of the vehicle body, and the connection base 10, which is configured as aluminum castings, is located in the most sensitive area of the torsional performance of the vehicle body, so as to effectively improve the torsional rigidity of the vehicle body, and the vehicle body can be connected with other steel plate parts by applying the SPR process by providing the transition connection between the connection base 10 and the vehicle body.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
While embodiments of the present invention have been shown and described above, variations, modifications, substitutions, and alterations may be made to the above embodiments.
Claims (11)
1. A pillar assembly for a vehicle body, comprising:
a connection base body (10), an extension portion extending toward the outside being formed on the connection base body (10), the connection base body (10) being configured as a cast member and being a first metal material;
the transition connecting piece is connected with the extending part, the transition connecting piece is connected with the connecting base body (10) through a fastener and is made of a second metal material, and the transition connecting piece is suitable for being fixedly connected with a vehicle body.
2. Pillar assembly for vehicle bodies according to claim 1, characterized in that said connection base (10) comprises:
the connecting base plate extends along the front-back direction of the vehicle body, and the extending part is arranged on the connecting base plate;
a reinforcement provided on the connection substrate and extending in a width direction of the vehicle body.
3. The pillar assembly for a vehicle body of claim 2, wherein said extension comprises:
a first extension portion (11) connected to the connection base plate and extending in a height direction of the vehicle body, the first extension portion (11) being configured as a "C" pillar of the vehicle body;
a second extension portion (12), the second extension portion (12) being connected to the connection base plate and extending toward a bottom of the vehicle body in a direction toward a rear side of the vehicle body, the second extension portion (12) being configured as a 'D' pillar of the vehicle body.
4. The pillar assembly for a vehicle body of claim 3, wherein said reinforcement comprises:
horizontal reinforcing ribs provided on an inner surface of at least one of the connection base plate, the first extension part (11) and the second extension part (12), the horizontal reinforcing ribs being configured in plurality, each of the horizontal reinforcing ribs extending in a horizontal direction, the horizontal reinforcing ribs being arranged at intervals in a height direction;
the vertical reinforcing ribs are arranged on the inner surface of at least one of the connecting base plate, the first extending portion (11) and the second extending portion (12), the vertical reinforcing ribs are multiple in structure, each vertical reinforcing rib extends in the vertical direction, the vertical reinforcing ribs are arranged at intervals in the front-back direction of the vehicle, and each vertical reinforcing rib is at least connected with two horizontal reinforcing ribs.
5. The pillar assembly for a vehicle body of claim 3, wherein said transition piece is constructed of steel plate and comprises:
the first transition connecting plate (21) is arranged at the bottom end of the first extending part (11), and the first transition connecting plate (21) is suitable for being connected with a wheel cover (3) of a vehicle body;
the second transition connecting plate (22), the second transition connecting plate (22) set up in the bottom of second extension (12), second transition connecting plate (22) are suitable for being connected with back door (4).
6. The pillar assembly for a vehicle body according to claim 5, wherein the top of the connection base plate is formed with a cross member connection portion (13) extending in the width direction of the vehicle body, the cross member connection portion (13) being adapted to be connected with a roof cross member (2).
7. The pillar assembly for a vehicle body according to claim 6, wherein the top front end of the connection base plate is formed with a roof side rail connection portion (14), the roof side rail connection portion (14) extending in a front-rear direction of the vehicle, the roof side rail connection portion (14) being adapted to be connected with a vehicle body roof side rail (5).
8. The pillar assembly for a vehicle body of any one of claims 1-7, wherein the transition piece and the extension are connected by a self-piercing riveting technique.
9. Pillar assembly for a vehicle body according to claim 8, characterized in that the connection base (10) is configured as a cast aluminium part.
10. A vehicle body structure characterized by comprising a pillar assembly according to any one of claims 1-9.
11. A vehicle characterized by comprising the vehicle body structure of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211060474.6A CN115285230B (en) | 2022-08-31 | 2022-08-31 | Column assembly, vehicle body structure and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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