CN210555170U - Automobile front floor side beam extension plate and connection structure thereof - Google Patents
Automobile front floor side beam extension plate and connection structure thereof Download PDFInfo
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- CN210555170U CN210555170U CN201920841235.1U CN201920841235U CN210555170U CN 210555170 U CN210555170 U CN 210555170U CN 201920841235 U CN201920841235 U CN 201920841235U CN 210555170 U CN210555170 U CN 210555170U
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- front floor
- extension
- floor side
- panel
- side rail
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Abstract
The utility model discloses a floor side roof beam extends board and connection structure before car, floor side roof beam extends board includes the delivery stake pocket that is connected with the curb girder extension of the butt joint of floor side roof beam before the car, with the back longeron and is connected the curb girder extension with the kink of delivery stake pocket, the kink with the curb girder extension smooth and smooth transition between the delivery stake pocket is connected, just the curb girder extension the kink with delivery stake pocket integrated into one piece. The utility model discloses a unite two into one current two parts of front floor curb girder extension board and delivery support, reduced the accessories quantity of car bottom plate, strengthened the rigidity continuity of being connected of front floor assembly and back floor assembly, avoided the current problem that blank area rigidity between front floor curb girder extension board and the delivery support is not enough, easy fatigue fracture.
Description
Technical Field
The utility model relates to an automobile floor or bottom plate subassembly especially relate to an automobile front floor side roof beam extension board and connection structure thereof.
Background
The existing car body structure design focuses more and more on performance, and almost every component of the car body structure is continuously improved and improved by designers along with the fine division of labor of the car industry. The structural design of the automobile bottom plate of the load-bearing car is complex, and the structure of the front floor side beam extension plate is important for the performance of the whole body-in-white as an important part of the steel body-in-white. The front floor side beam extension plate 1 and the delivery bracket 8 in the prior art are two independent parts, as shown in fig. 1, wherein the delivery bracket 8 is a component for carrying a body-in-white on a coating line. The connecting structure of the side beam extension plate of the front floor has the following defects: two independent parts of the front floor side beam extension plate and the delivery bracket need to be machined and assembled, two sets of dies need to be used during machining, and the production cost is increased; a disconnected structure is arranged between the two parts, so that the rigidity of a blank area between the two parts is poor, the problem of fatigue cracking is caused, and the durability and rigidity continuity of the automobile body are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automobile front floor curb girder extension plate and connection structure thereof can solve the blank region rigidity between current front floor curb girder extension plate and the delivery support not enough, the easy problem of fatigue fracture.
In order to achieve the above object, the present invention provides an automobile front floor side beam extension plate, which includes a side beam extension part butted with a front floor side beam, a carrying support part connected with a rear longitudinal beam, and a bending part connected with the side beam extension part and the carrying support part, wherein the bending part is connected with the side beam extension part and the carrying support part in a smooth transition manner, and the side beam extension part, the bending part and the carrying support part are integrally formed.
Preferably, the axis direction of the bent part and the axis direction of the side beam extension part form an included angle which is larger than 0 degree and smaller than 90 degrees.
Preferably, the side sill extension is of a generally inverted U-shaped cross-section.
Preferably, the consignment stand portion is in the form of a self-welding structure.
Preferably, the consignment support part comprises two side faces and one end face, wherein the end face is provided with flanges, and the flanges of the end face are welded with the two side faces to form welding points on the two side faces.
Preferably, the side beam extension part and/or the bent part are/is provided with lightening holes.
Preferably, the extending part or the bending part of the side beam is provided with a battery mounting hole for mounting a power battery.
Preferably, the consignment support part is provided with a consignment positioning hole.
The utility model also provides a connection structure of car front floor curb girder extension board, it includes the front floor panel, install in front floor curb girder on the front floor panel, connect in the back longeron and the back seat front beam of front floor panel rear end and as above front floor curb girder extension board, the curb girder extension of front floor curb girder extension board with the front floor panel with the front floor side beam is connected, the delivery stake portion of front floor curb girder extension board with the back longeron with the back seat front beam is connected.
Preferably, the side sill extension part and the part of the bent part are respectively connected with the front floor panel and the front floor side sill in a spot welding manner, and the carrying bracket part and the part of the bent part are respectively connected with the rear longitudinal beam and the rear seat front cross beam in a spot welding manner.
Compared with the prior art, the automobile front floor side beam extension plate and the connecting structure thereof provided by the technical scheme have the beneficial effects that: the existing two parts, namely the front floor side beam extension plate and the delivery bracket, are combined into a whole, so that the number of parts of an automobile bottom plate is reduced, the cost of a die is reduced, and the assembly process is reduced; the connection rigidity continuity of the front floor assembly and the rear floor assembly is enhanced, and the problems of insufficient rigidity and easy fatigue cracking of blank areas between the existing front floor side beam extension plates and the consignment brackets are solved; the front floor side beam extension plate can be used on a traditional vehicle type and a new energy vehicle type, and the universality of parts is improved.
Drawings
FIG. 1 is a schematic view of a prior art connection structure of side sill extension panels of an automobile front floor;
fig. 2 is a schematic structural view of an extension plate of a side beam of a front floor of an automobile according to an embodiment of the present invention;
fig. 3 is a plan view of an automotive front floor side rail extension panel according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a side beam extension of an automotive front floor side beam extension panel of an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a consignment cradle portion of an automotive front floor side rail extension panel of an embodiment of the present invention;
fig. 6 is an assembly view of the connection structure of the extension plate of the side beam of the front floor of the automobile according to the embodiment of the present invention;
fig. 7 is a schematic structural view of a front floor panel of an automobile front floor side member extension plate connecting structure according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a front floor side member of the automobile front floor side member extension plate connecting structure according to the embodiment of the present invention;
fig. 9 is a schematic structural view of a rear longitudinal beam of an automobile front floor side beam extension plate connecting structure according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a rear seat front cross member of the vehicle front floor side member extension plate connecting structure according to the embodiment of the present invention;
fig. 11 is a schematic structural diagram of the connection structure of the extension plate of the side beam of the front floor of the vehicle, which is applied to the new energy vehicle.
The system comprises a front floor side beam extending plate 1, a side beam extending plate 101, a consignment support part 102, a bending part 103, a welding point 104, a front floor side beam 2, a rear longitudinal beam 3, a battery mounting hole 4, a consignment positioning hole 5, a front floor panel 6, a rear seat front cross beam 7, a consignment support 8 and a power battery 9.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 2-5, the present invention provides an extension board 1 for a front floor side beam of an automobile, which includes a side beam extension 101 butted with a front floor side beam 2, a supporting bracket 102 connected with a rear longitudinal beam 3, and a bending portion 103 connecting the side beam extension 101 and the supporting bracket 102, wherein the bending portion 103 is connected with the side beam extension 101 and the supporting bracket 102 in a smooth transition manner, and the side beam extension 101, the bending portion 103 and the supporting bracket 102 are integrally formed.
The automobile front floor side beam extension plate based on the technical characteristics has the advantages that the existing front floor side beam extension plate and the existing delivery support are combined into a whole, so that the number of parts of an automobile bottom plate is reduced, the cost of a mold is reduced, and the assembly process is reduced; the connection rigidity continuity of the front floor assembly and the rear floor assembly is enhanced, and the problems of insufficient rigidity and easy fatigue cracking of blank areas between the existing front floor side beam extension plates and the consignment brackets are solved; the front floor side beam extension plate is suitable for bodies with metal plates as body-in-white floors, can be used on traditional vehicle types and new energy vehicle types, and improves the universality of parts.
The axial direction of the bent portion 103 and the axial direction of the side beam extension 101 form an included angle larger than 0 degree and smaller than 90 degrees. In this embodiment, the side rail extension 101 and the delivery bracket 102 are not provided on the same straight line, and the side rail extension 101 and the delivery bracket 102 are connected to each other by the bent portion 103 to form an integrally molded member. The bending portion 103 is a slope section inclined from the side beam extension portion 101, and an included angle between the axis direction of the bending portion 103 and the axis direction of the side beam extension portion 101 needs to meet the position design of the bending portion 103 and the side beam extension portion, and also needs to meet the requirements of bending resistance and rigidity of the bending portion 103.
The side member extensions 101 have a cross-sectional shape of a zigzag shape for smooth abutment of the side member extensions 101 with the front floor side members 2. In the prior art, the cross section of the front floor side member 2 is generally in a shape of a Chinese character 'ji', and the Chinese character 'ji' shaped cross section of the side member extension 101 is designed to be capable of being matched and connected with the front floor side member 2.
To increase stiffness, the shipping frame section 102 is in the form of a self-welding construction. Specifically, the shipping support 102 includes two side surfaces and an end surface, the end surface is provided with flanges, and the flanges of the end surface are welded to the two side surfaces and form welding points 104 on the two side surfaces. Through the self-welding structure of the consignment bracket part 102, not only is the structural rigidity required by logistics consignment ensured, but also the rigidity of the whole front floor side beam extension plate is enhanced, so that the rigidity of the whole vehicle body is improved.
The utility model discloses a front floor side roof beam extension board can be applied to in traditional motorcycle type and the new forms of energy motorcycle type, when being applied to traditional motorcycle type, can set up a plurality of lightening hole on the front floor side roof beam extension board 1 to lighten the component dead weight, realize the lightweight. Specifically, a lightening hole may be opened in the side sill extension 101 and/or the bent portion 103.
The utility model discloses a front floor curb girder extension plate is platformization structural component, when it is applied to the new forms of energy motorcycle type, front floor curb girder extension plate 1 need provide the battery mounting point for power battery 9. As shown in fig. 11, the side rail extension 101 or the bent portion 103 is provided with a battery mounting hole 4 for mounting a power battery 9. The front section of the front floor side beam extension plate 1 is of a structure in a shape like a Chinese character 'ji', and the rear section of the front floor side beam extension plate is of a self-welding structure, so that a good mounting foundation is provided for a battery mounting point, and the rigidity of the battery mounting point is improved.
And the consignment support part 102 is provided with a consignment positioning hole 5. The consignment positioning holes 5 are in a runway shape. The delivery positioning holes 5 provide a positioning structure for carrying the body-in-white on the painting line.
Referring to fig. 6-10, the present embodiment further provides a connecting structure of a front floor side rail extension panel of an automobile, which includes a front floor panel 6, a front floor side rail 2 mounted on the front floor panel 6, a rear side rail 3 and a rear seat front cross rail 7 connected to a rear end of the front floor panel 6, and the front floor side rail extension panel 1, wherein a side rail extension 101 of the front floor side rail extension panel 1 is connected to the front floor panel 6 and the front floor side rail 2, and a carrying bracket 102 of the front floor side rail extension panel 1 is connected to the rear side rail 3 and the rear seat front cross rail 7.
The front floor side beam extension plate 1 is a structure formed by fusing a traditional front floor side beam extension plate and a logistics consignment support, the front floor side beam extension plate and the logistics consignment support are combined into a whole, and then the front floor side beam extension plate and the logistics consignment support are respectively connected with the rear longitudinal beam 3, the rear seat cross beam 7, the front floor panel 6 and the front floor side beam 2 through steel spot welding, so that the continuity of the structure is enhanced, the front floor and the rear floor can be lapped to achieve better rigidity and strength performance, and the NVH performance of a vehicle body is improved.
In this embodiment, the side frame extension portions 101 and the bent portions 103 are partially spot-welded to the front floor panel 6 and the front floor side frame 2, respectively, and the delivery bracket portions 102 and the bent portions 103 are partially spot-welded to the rear side frame 3 and the rear seat front cross member 7, respectively. The front section and the rear section of the front floor side beam extension plate 1 are flexibly combined with the rear longitudinal beam 3, the rear seat cross beam 7, the front floor panel 6 and the front floor side beam 2 in an overlapping manner, so that the whole connecting structure has good continuity and integrity.
The assembly process of the connecting structure of the automobile front floor side beam extension plate of the embodiment is as follows:
step one, connecting a front floor side beam extension plate 1 and a rear longitudinal beam 3 together through steel spot welding;
step two, connecting the combination of the front floor side beam extension plate 1 and the rear longitudinal beam 3 obtained in the step one with the rear seat front cross beam 7 through steel spot welding;
thirdly, connecting the front floor side beams 2 with the front floor panel 6 through steel spot welding, so that the front floor side beams 2 are fixed on the front floor panel 6;
and step four, connecting and combining the two combined structures obtained in the step two and the step three through steel spot welding to obtain the connecting structure of the front floor side beam extension plate.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The automobile front floor side beam extension plate is characterized by comprising a side beam extension part butted with a front floor side beam, a delivery support part connected with a rear longitudinal beam and a bent part connecting the side beam extension part and the delivery support part, wherein the bent part is in smooth transition connection with the side beam extension part and the delivery support part, and the side beam extension part, the bent part and the delivery support part are integrally formed.
2. The automotive front floor side rail extension panel of claim 1, characterized in that the axial direction of the bent portion and the axial direction of the side rail extension portion form an angle of more than 0 ° and less than 90 °.
3. The automobile front floor side rail extension panel according to claim 1 or 2, wherein the side rail extension has a cross-section in a zigzag shape.
4. The automotive front floor side rail extension panel of claim 1 or 2, characterized in that the carrying leg portion is in the form of a self-welded structure.
5. The automotive front floor side rail extension panel of claim 4, wherein the shipping brace portion includes two sides and an end face, the end face having flanges welded thereto and forming welds on the two sides.
6. The automobile front floor side rail extension panel according to claim 1 or 2, characterized in that a lightening hole is formed in the side rail extension portion and/or the bent portion.
7. The automobile front floor side rail extension plate according to claim 1 or 2, wherein a battery mounting hole for mounting a power battery is opened in the side rail extension portion or the bent portion.
8. The automotive front floor side rail extension panel of claim 1 or 2, wherein the shipping bracket portion is provided with shipping positioning holes.
9. A connecting structure of a front floor side member extension panel for an automobile, characterized by comprising a front floor panel, a front floor side member mounted on the front floor panel, a rear side member and a rear seat front cross member connected to a rear end of the front floor panel, and the front floor side member extension panel as recited in any one of claims 1 to 8, wherein a side member extension portion of the front floor side member extension panel is connected to the front floor panel and the front floor side member, and a carrying bracket portion of the front floor side member extension panel is connected to the rear side member and the rear seat front cross member.
10. The connecting structure of the automobile front floor side rail extension panel according to claim 9, wherein the side rail extension portion and the bent portion are partially spot-welded to the front floor panel and the front floor side rail, respectively, and the carrying bracket portion and the bent portion are partially spot-welded to the rear side rail and the rear seat front cross rail, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841235.1U CN210555170U (en) | 2019-06-04 | 2019-06-04 | Automobile front floor side beam extension plate and connection structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841235.1U CN210555170U (en) | 2019-06-04 | 2019-06-04 | Automobile front floor side beam extension plate and connection structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210555170U true CN210555170U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920841235.1U Active CN210555170U (en) | 2019-06-04 | 2019-06-04 | Automobile front floor side beam extension plate and connection structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN210555170U (en) |
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2019
- 2019-06-04 CN CN201920841235.1U patent/CN210555170U/en active Active
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