CN210462426U - Aluminum alloy extruded section bar mounting structure - Google Patents
Aluminum alloy extruded section bar mounting structure Download PDFInfo
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- CN210462426U CN210462426U CN201921183877.3U CN201921183877U CN210462426U CN 210462426 U CN210462426 U CN 210462426U CN 201921183877 U CN201921183877 U CN 201921183877U CN 210462426 U CN210462426 U CN 210462426U
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- aluminum alloy
- section bar
- alloy extruded
- mounting structure
- extruded section
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Abstract
The utility model relates to an aluminum alloy extrusion section bar mounting structure belongs to the technical field of automobile design and manufacturing. The utility model discloses an aluminum alloy extruded section bar mounting structure, wherein 2 vertical reinforcing ribs are formed in the aluminum alloy extruded section bar to divide the interior of the aluminum alloy extruded section bar into a middle cavity and a side cavity; mounting holes are formed in the upper end and the lower end of the side cavity, fastener washers are arranged on the mounting holes, the width of each fastener washer is larger than that of the side cavity, a bolt penetrates through the fastener washers and the mounting holes to be tightly connected with the connecting piece, and the diameter of a screw rod of the bolt is smaller than the inner diameter of the mounting hole. The utility model discloses a mounting structure has reduced the part, has realized the lightweight to reduce and weld the dress demand, avoided welding thermal deformation, guarantee the part precision easily.
Description
Technical Field
The utility model relates to a technical field of automobile design and manufacturing, more specifically say, the utility model relates to an aluminum alloy extruded section bar mounting structure.
Background
The application of the aluminum alloy extruded section on the whole vehicle is more and more extensive, the development period of the extruded part is short, the design of a die is simple, and the mass production of parts is easy; in the scheme of connecting the aluminum alloy extruded profile piece with the vehicle body through the fastener, 2 common structures are available. As shown in fig. 1-2, the aluminum alloy sleeves are pressed and riveted or welded at the mounting holes to improve the rigidity of the mounting points, and this solution has the following disadvantages: the cost of riveting the standard part is increased, and meanwhile, a set of pressing machine equipment is also required to be added; the rigidity of the mounting point is improved by MIG welding of the aluminum alloy sleeve, the thermal deformation is large during aluminum alloy welding, and the precision of the mounting point is also influenced. Fig. 3-4 show another connection structure, in which the connection point is in the form of a single-layer plate bracket, the single-layer plate is welded with MIG of an aluminum alloy profile, and the connection is performed in a manner of 4 points in 2 directions, and the number of the mounting points is increased to ensure the rigidity of the mounting points, which has the following disadvantages: the MIG welding procedure is added, the thermal deformation is larger during the aluminum alloy welding, and the requirements on a clamp and a welding process are higher; the addition of brackets and mounting bolts means increased weight and cost.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned technical problem that exists among the prior art, the utility model aims to provide an aluminum alloy extruded section bar mounting structure.
The utility model discloses an aluminum alloy extruded section bar mounting structure, 2 vertical reinforcing ribs are formed in the aluminum alloy extruded section bar to divide the interior of the aluminum alloy extruded section bar into a middle cavity and side cavities at two sides of the middle cavity; mounting holes are formed in the upper end and the lower end of the side cavity, fastener washers are arranged on the mounting holes, the width of each fastener washer is larger than that of the side cavity, bolts penetrate through the fastener washers and the mounting holes to be fixedly connected with the connecting pieces, and the diameters of the screws of the bolts are smaller than the inner diameters of the mounting holes.
And the distance between the boundary of the mounting hole and the vertical reinforcing rib is greater than 1.5 mm.
Wherein the thickness of the vertical reinforcing rib is 2.0-3.0 mm.
Compared with the prior art, the utility model discloses an aluminum alloy extruded section bar mounting structure has following beneficial effect:
1. a large fastener washer combination bolt is selected, and a force transmission area when the mounting point is tightened is increased;
2. the reinforcing ribs in the section bar provide structural support for the combined bolt, and the axial installation rigidity of the thread is improved.
Drawings
Fig. 1 is a schematic structural view of a first aluminum alloy extruded profile mounting structure in the prior art.
Fig. 2 is a schematic sectional view taken along a-a of fig. 1.
Fig. 3 is a schematic structural view of a second aluminum alloy extruded profile mounting structure in the prior art.
Fig. 4 is an enlarged schematic view of a circled portion of fig. 3.
Fig. 5 is a schematic structural view of an aluminum alloy extruded profile.
Fig. 6 is a schematic cross-sectional view taken along the direction B-B in fig. 5.
Fig. 7 is a schematic structural view of the aluminum alloy extruded profile mounting structure of the present invention.
Fig. 8 is the utility model discloses an aluminum alloy extruded section mounting structure's section passes power schematic diagram.
Detailed Description
The following will be described in detail with reference to the specific embodiments of the present invention to help those skilled in the art to understand the concept and technical solution of the present invention more completely, accurately and deeply.
Example 1
As shown in fig. 5 to 7, 2 vertical reinforcing ribs 11 are formed in the aluminum alloy extruded profile 10, and divide the interior of the aluminum alloy extruded profile 10 into a middle cavity 12 and side cavities 13 on both sides of the middle cavity 12. Mounting holes 15 are formed in the upper end and the lower end of the side cavity 13, and the distance between the boundary of each mounting hole 15 and the corresponding vertical reinforcing rib 11 is larger than 1.5mm, for example, the distance can be set to be 2.0 mm. The mounting hole 15 is provided with a fastener gasket 20, the width of the fastener gasket 20 is greater than that of the side cavity 13, a bolt 30 penetrates through the fastener gasket 20 and the mounting hole 15 and is tightly connected with a connecting piece (not shown in the figure), the diameter of a screw rod of the bolt 30 is smaller than the inner diameter of the mounting hole 15, and the thickness of the vertical reinforcing rib is 2.0-3.0 mm.
In the mounting structure of this embodiment, the fastener packing ring can cover the strengthening rib region, and the strengthening rib is more than the safe distance with mounting hole interval moreover, therefore passes through the strengthening rib and can reduce the compressive stress that the bolt was tightened after biography power, and then promotes the rigidity of mounting point, and fig. 8 is the bolt installation section biography power sketch map. Compared with the prior art, the mounting structure of the embodiment reduces the cost (does not need to increase a pressing rivet or a welding sleeve, and does not need to increase a bracket and the number of mounting points); parts are reduced, and the method is a means for reducing the structure weight; reduce and weld the dress demand, avoid welding thermal deformation, guarantee the part precision easily.
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements are all within the protection scope of the present invention as long as the technical solution of the present invention is adopted.
Claims (3)
1. An aluminum alloy extruded section bar mounting structure is characterized in that 2 vertical reinforcing ribs are formed in an aluminum alloy extruded section bar to divide the interior of the aluminum alloy extruded section bar into a middle cavity and side cavities on two sides of the middle cavity; the method is characterized in that: mounting holes are formed in the upper end and the lower end of the side cavity, fastener washers are arranged on the mounting holes, the width of each fastener washer is larger than that of the side cavity, bolts penetrate through the fastener washers and the mounting holes to be fixedly connected with the connecting pieces, and the diameters of the screws of the bolts are smaller than the inner diameters of the mounting holes.
2. The aluminum alloy extruded profile mounting structure of claim 1, wherein: the distance between the boundary of the mounting hole and the vertical reinforcing rib is larger than 1.5 mm.
3. The aluminum alloy extruded profile mounting structure of claim 1, wherein: the thickness of the vertical reinforcing rib is 2.0-3.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183877.3U CN210462426U (en) | 2019-07-26 | 2019-07-26 | Aluminum alloy extruded section bar mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183877.3U CN210462426U (en) | 2019-07-26 | 2019-07-26 | Aluminum alloy extruded section bar mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210462426U true CN210462426U (en) | 2020-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921183877.3U Active CN210462426U (en) | 2019-07-26 | 2019-07-26 | Aluminum alloy extruded section bar mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210462426U (en) |
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2019
- 2019-07-26 CN CN201921183877.3U patent/CN210462426U/en active Active
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