CN212667487U - Auxiliary frame mounting support structure - Google Patents
Auxiliary frame mounting support structure Download PDFInfo
- Publication number
- CN212667487U CN212667487U CN202021388942.9U CN202021388942U CN212667487U CN 212667487 U CN212667487 U CN 212667487U CN 202021388942 U CN202021388942 U CN 202021388942U CN 212667487 U CN212667487 U CN 212667487U
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- auxiliary frame
- mounting bracket
- nut
- hole
- connecting surface
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Abstract
The utility model discloses a sub vehicle frame installing support structure, including sub vehicle frame installing support, nut and crossbeam, middle section hole up end forms spacing face, and nut fixed mounting is in the mounting hole, the locating surface of nut supports on spacing face, the top surface of nut does not surpass the top surface of first connection face, crossbeam fixed mounting is on sub vehicle frame installing support's second is connected the face and the third is connected the face. After the connection, the joint position is of a cavity structure, so that the anti-bending and anti-torsion capability is high, and the mounting requirement of the auxiliary frame can be met. The position of the mounting point of the auxiliary frame is changed, and the position of the auxiliary frame can be adjusted through the position of the support without changing the cross section of the cross beam of the vehicle body. The support and the cross beam are both aluminum extruded sections, the die cost is avoided, and the designed auxiliary frame mounting support is reasonable in structure, simple in process and low in cost.
Description
Technical Field
The utility model belongs to the technical field of the car, especially, relate to a sub vehicle frame installing support structure.
Background
Aluminum materials for new energy automobiles are more and more common, a lower automobile body is of an all-aluminum structure which is standard, and for an auxiliary frame with high requirements on rigidity and strength of mounting points, the mounting points on the automobile body need to meet the target values of the rigidity and the strength. If the rivet nuts are directly drilled on the lower car body beam, the rigidity and the strength of the mounting points are far from enough; if a nut plate is added in the section beam, although the rigidity and the strength of the mounting point position can meet target values, the size of the section beam needs to be adjusted along with the position of the mounting point of the auxiliary frame, large-area machining needs to be carried out on the position of a non-mounting point for an enlarged section, and the enlarged section cannot interfere with other components, so that a lot of materials can be wasted, the machining cost can also increase the cost, meanwhile, the nut plate is added in the section to be fixed with the positioning of the section and the nut plate, the process is complicated, a support structure needs to be designed at present, on the premise that the section of the automobile body is not changed, the position of the mounting point of the auxiliary frame can be adjusted, and the.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the novel auxiliary frame mounting structure is provided, the connection rigidity of a vehicle body and an auxiliary frame is met, and meanwhile the position of an auxiliary frame mounting point can be adjusted under the condition that the section of a vehicle body cross beam profile is not changed. A section bar support is designed, the support and a cross beam section bar are fixed together through FDS and self-plugging rivets, and the position of an installation point of an auxiliary frame can be adjusted by changing the position of a clamp
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a sub vehicle frame installing support structure, includes sub vehicle frame installing support, nut and crossbeam, sub vehicle frame installing support includes integrated into one piece's first connection face, second connection face and third connection face, the mounting hole has been seted up on the first connection face, the mounting hole is run through by upper segment hole, middle section hole and hypomere hole and is constituteed, upper segment hole, hypomere hole, middle section hole three's aperture increases in proper order, middle section hole up end forms spacing face, nut fixed mounting is in the mounting hole, the locating surface of nut supports on spacing face, the top surface of nut does not surpass the top surface of first connection face, crossbeam fixed mounting is on sub vehicle frame installing support's second connection face and third connection face.
Preferably, the nut is mounted in the mounting hole in an interference fit manner.
Preferably, the first connecting surface of the auxiliary frame mounting bracket is further provided with a lightening hole.
Preferably, the cross beam is fixedly mounted on the second connection surface and the third connection surface of the subframe mounting bracket through an FDS process.
Preferably, the cross beam is fixedly installed on the second connection surface and the third connection surface of the auxiliary frame installation support through blind rivets.
Preferably, the cross beam and the subframe mounting bracket are provided with an assembly tolerance of 1 mm.
Compared with the prior art, the utility model discloses an useful part is: and (4) pressing the standard section nuts into the auxiliary frame mounting bracket through a die (interference fit) to form the assembly. Through the positioning and clamping of the tool clamp, the assembly and the cross beam are connected through FDS or self-plugging rivets, and the connected joint position is of a cavity structure, so that the auxiliary frame has high bending resistance and torsion resistance, and the installation requirement of the auxiliary frame can be met. The position of the mounting point of the auxiliary frame is changed, and the position of the auxiliary frame can be adjusted through the position of the support without changing the cross section of the cross beam of the vehicle body. The support and the cross beam are both aluminum extruded sections, the die cost is avoided, and the designed auxiliary frame mounting support is reasonable in structure, simple in process and low in cost.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the subframe mounting bracket.
Fig. 3 is a schematic view of a connection structure of the subframe mounting bracket and the nut.
FIG. 4 is a schematic view of the connection structure of the subframe mounting bracket and the cross member.
Fig. 5 is a schematic view of the nut.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the following embodiments:
as shown in fig. 1 to 5, the subframe mounting bracket structure includes a subframe mounting bracket 1, a nut 2 and a cross beam 3, the subframe mounting bracket 1 includes a first connecting surface 11, a second connecting surface 12 and a third connecting surface 13 which are integrally formed, a lightening hole 19 is further formed on the first connecting surface 11 of the subframe mounting bracket 1, a mounting hole 14 is formed on the first connecting surface 11, the mounting hole 14 is formed by penetrating an upper section hole 15, a middle section hole 16 and a lower section hole 17, the diameters of the upper section hole 15, the lower section hole 17 and the middle section hole 16 are sequentially increased, an upper end surface of the middle section hole 16 forms a limiting surface 18, the nut 2 is fixedly mounted in the mounting hole 14 in an interference fit manner, a positioning surface of the nut 2 abuts against the limiting surface 18, a top surface of the nut 2 does not exceed the top surface of the first connecting surface 11, and the cross beam 3 is fixedly mounted on the second connecting surface 12 and the second connecting surface of the subframe mounting bracket 1 and the second connecting surface 12 of the subframe mounting bracket 1 through On the third connection face 13. The cross beam 3 and the auxiliary frame mounting bracket 1 are provided with 1mm of assembly tolerance.
The utility model discloses a through designing sub vehicle frame installing support, impress standard section bar nut in sub vehicle frame installing support, form the subassembly; and the assembly and the cross beam are positioned and clamped through a tool clamp, and are connected through FDS or self-plugging rivets, and the joint position is of a cavity structure after connection, so that the assembly has high bending resistance and torsion resistance, and the installation requirement of the auxiliary frame can be met. The position of the mounting point of the auxiliary frame is changed, and the position of the auxiliary frame can be adjusted through the position of the support without changing the cross section of the cross beam of the vehicle body.
It is to be emphasized that: it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a sub vehicle frame installing support structure which characterized in that: comprises an auxiliary frame mounting bracket (1), a nut (2) and a cross beam (3), the auxiliary frame mounting bracket (1) comprises a first connecting surface (11), a second connecting surface (12) and a third connecting surface (13) which are integrally formed, the first connecting surface (11) is provided with a mounting hole (14), the mounting hole (14) is formed by penetrating an upper section hole (15), a middle section hole (16) and a lower section hole (17), the diameters of the upper section hole (15), the lower section hole (17) and the middle section hole (16) are increased in sequence, a limiting surface (18) is formed on the upper end surface of the middle section hole (16), the nut (2) is fixedly arranged in the mounting hole (14), the positioning surface of the nut (2) is abutted against the limiting surface (18), the top surface of the nut (2) does not exceed the top surface of the first connecting surface (11), the crossbeam (3) is fixedly arranged on a second connecting surface (12) and a third connecting surface (13) of the auxiliary frame mounting bracket (1).
2. The subframe mounting bracket structure of claim 1, wherein: and a lightening hole (19) is also formed in the first connecting surface (11) of the auxiliary frame mounting bracket (1).
3. The subframe mounting bracket structure of claim 1, wherein: the nut (2) is installed in the installation hole (14) in an interference fit mode.
4. The subframe mounting bracket structure of claim 1, wherein: the cross beam (3) is fixedly arranged on a second connecting surface (12) and a third connecting surface (13) of the auxiliary frame mounting bracket (1) through an FDS process.
5. The subframe mounting bracket structure of claim 1, wherein: the cross beam (3) is fixedly installed on a second connecting surface (12) and a third connecting surface (13) of the auxiliary frame mounting bracket (1) through self-plugging rivets.
6. The subframe mounting bracket structure of claim 1, wherein: the cross beam (3) and the auxiliary frame mounting bracket (1) are provided with 1mm of assembly tolerance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021388942.9U CN212667487U (en) | 2020-07-15 | 2020-07-15 | Auxiliary frame mounting support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021388942.9U CN212667487U (en) | 2020-07-15 | 2020-07-15 | Auxiliary frame mounting support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212667487U true CN212667487U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021388942.9U Active CN212667487U (en) | 2020-07-15 | 2020-07-15 | Auxiliary frame mounting support structure |
Country Status (1)
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| CN (1) | CN212667487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319613A (en) * | 2020-07-15 | 2021-02-05 | 苏州同捷汽车工程技术股份有限公司 | Auxiliary frame mounting support structure |
-
2020
- 2020-07-15 CN CN202021388942.9U patent/CN212667487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319613A (en) * | 2020-07-15 | 2021-02-05 | 苏州同捷汽车工程技术股份有限公司 | Auxiliary frame mounting support structure |
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