CN217778746U - Automobile rear longitudinal beam assembly - Google Patents
Automobile rear longitudinal beam assembly Download PDFInfo
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- CN217778746U CN217778746U CN202221098026.0U CN202221098026U CN217778746U CN 217778746 U CN217778746 U CN 217778746U CN 202221098026 U CN202221098026 U CN 202221098026U CN 217778746 U CN217778746 U CN 217778746U
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- longitudinal beam
- rear longitudinal
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Abstract
The utility model belongs to the technical field of automobile parts, in particular to an automobile rear longitudinal beam assembly; the rear longitudinal beam is welded on the inner plate of the rear wheel cover, welding glue is coated on the left side of the rear longitudinal beam, and the floor support reinforcing plate is welded above the rear longitudinal beam; the rear longitudinal beam comprises an upper section, a lower section and a rear section, wherein the upper section is welded on the lower section, the top of the left side of the lower section is not arranged in parallel with the top of the left side of the upper section, the rear section is welded at the rear end of the upper section, and the bottom of the front end of the rear section 4 is welded above the rear end of the lower section; the outer side of the top of the left side of the upper section and the outer side of the top of the left side of the lower section are both welded in the left side of the rear section, and welding glue is coated between the upper section and the rear section; the utility model discloses can solve the sealed problem when longeron has the support reinforcing plate with rear wheel casing overlap joint position behind the floor.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, concretely relates to longeron assembly behind car.
Background
The existing floor longitudinal beam structure generally comprises a closed structure formed by two parts, the boundary of the longitudinal beam is flush, and then the longitudinal beam is welded with a rear wheel cover. When the supporting reinforcing plate is not arranged, the longitudinal beam and the wheel cover are welded to form an assembly, and then the outer welding line is coated with glue for sealing; when the supporting reinforcing plate is arranged, the welding glue is coated between the two parts of the upper section and the lower section of the longitudinal beam, the welding glue is coated between the longitudinal beam assembly and the wheel cover for sealing, and the welding glue coating is often not realized between the upper section and the lower section of the longitudinal beam due to the influence of the direction of an upper piece, specifically speaking: back longeron upper segment and back longeron hypomere border parallel and level among the traditional scheme, Z is to closing the piece when back longeron upper segment and back longeron hypomere welding, if scribble the welding dress glue between leading to back longeron upper segment and the back longeron hypomere like this, will be scraped, can not realize sealed, and then influence whole car gas tightness.
In the existing treatment mode aiming at the situation, a foaming piece is added at the shielding part of the supporting reinforcing plate, and the welding seam is blocked by the foaming piece, but the treatment cost is higher.
Disclosure of Invention
In order to overcome the problem, the utility model provides a longeron assembly behind car is longeron behind area seal structure's floor, can solve longeron behind the floor and rear wheel casing overlap joint position when having the support reinforcing plate sealed problem.
An automobile rear longitudinal beam assembly comprises a rear longitudinal beam, a floor support reinforcing plate 3, welding glue 5 and a rear wheel cover inner plate 6, wherein the left side of the rear longitudinal beam is welded on the rear wheel cover inner plate 6, the welding glue 5 is coated on the left side of the rear longitudinal beam between the rear longitudinal beam and the rear wheel cover inner plate 6, and the floor support reinforcing plate 3 is welded above the rear longitudinal beam;
the rear longitudinal beam comprises a rear longitudinal beam upper section 1, a rear longitudinal beam lower section 2 and a rear longitudinal beam rear section 4, wherein the rear longitudinal beam upper section 1 is welded above the rear longitudinal beam lower section 2, the top of the left side of the rear longitudinal beam lower section 2 is not arranged in parallel with the top of the left side of the rear longitudinal beam upper section 1, the rear longitudinal beam rear section 4 is welded at the rear end of the rear longitudinal beam upper section 1, and the bottom of the front end of the rear longitudinal beam rear section 4 is welded above the rear end of the rear longitudinal beam lower section 2;
the outer side of the top of the left side of the upper section 1 of the rear longitudinal beam and the outer side of the top of the left side of the lower section 2 of the rear longitudinal beam are both welded inside the left side of the rear longitudinal beam rear section 4, and welding glue 5 is coated between the upper section 1 of the rear longitudinal beam and the rear longitudinal beam rear section 4.
The right side of the upper section 1 of the rear longitudinal beam is welded above the right side of the lower section 2 of the rear longitudinal beam, and the left side of the lower section 2 of the rear longitudinal beam is welded outside the left side of the upper section 1 of the rear longitudinal beam.
The top of the left side of the upper section 1 of the rear longitudinal beam is higher than the top of the left side of the lower section 2 of the rear longitudinal beam, so that the top of the left side of the lower section 2 of the rear longitudinal beam is positioned below the top of the left side of the upper section 1 of the rear longitudinal beam.
And the top of the left side of the upper section 1 of the rear longitudinal beam is 24mm higher than that of the left side of the lower section 2 of the rear longitudinal beam.
The upper part of the left side of the floor supporting reinforcing plate 3 is welded on the upper part of the left side of the rear longitudinal beam rear section 4, and the bottom of the right side is welded on the upper part of the right side of the rear longitudinal beam upper section 1.
The invention carries out two optimization on the basis of the prior art:
1. the boundaries of the upper section and the lower section of the longitudinal beam are changed into staggered structures from parallel structures, so that the lap joint part between the longitudinal beam assembly and the wheel cover is changed into a two-layer plate from a three-layer plate, and then welding glue is coated between the upper section and the rear section, so that the cost is reduced while sealing is realized;
2. and (3) coating welding glue between the longitudinal beam assembly at the shielding part of the floor support reinforcing plate and the rear wheel cover inner plate, thereby solving the sealing problem between the longitudinal beam and the wheel cover.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 isbase:Sub>A schematic view of the cross-sectional structurebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a partial schematic structural view of the present invention.
Wherein: 1-rear longitudinal beam upper section;
2-the lower section of the rear longitudinal beam;
3-floor support reinforcement plate;
4-rear longitudinal beam rear section;
5-welding glue;
6-rear wheel cover inner plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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 description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example 1
As shown in fig. 1-3, an automobile rear longitudinal beam assembly comprises a rear longitudinal beam, a floor support reinforcing plate 3, a welding glue 5 and a rear wheel casing inner plate 6, wherein the left side of the rear longitudinal beam is welded on the rear wheel casing inner plate 6, the welding glue 5 is coated on the left side of the rear longitudinal beam between the left side of the rear longitudinal beam and the rear wheel casing inner plate 6, and the floor support reinforcing plate 3 is welded above the rear longitudinal beam;
the rear longitudinal beam comprises a rear longitudinal beam upper section 1, a rear longitudinal beam lower section 2 and a rear longitudinal beam rear section 4, wherein the rear longitudinal beam upper section 1 is welded above the rear longitudinal beam lower section 2, the top of the left side of the rear longitudinal beam lower section 2 and the top of the left side of the rear longitudinal beam upper section 1 are not arranged in parallel, the front end of the rear longitudinal beam rear section 4 is welded at the rear end of the rear longitudinal beam upper section 1, and the bottom of the front end of the rear longitudinal beam rear section 4 is welded above the rear end of the rear longitudinal beam lower section 2;
the outer side of the top of the left side of the upper section 1 of the rear longitudinal beam and the outer side of the top of the left side of the lower section 2 of the rear longitudinal beam are both welded inside the left side of the rear longitudinal beam rear section 4, and a welding glue 5 is coated between the outer side of the top of the left side of the upper section 1 of the rear longitudinal beam and the inside of the left side of the rear longitudinal beam rear section 4.
The right side of the upper section 1 of the rear longitudinal beam is welded above the right side of the lower section 2 of the rear longitudinal beam, and the left side of the lower section 2 of the rear longitudinal beam is welded outside the left side of the upper section 1 of the rear longitudinal beam.
The top of the left side of the upper section 1 of the rear longitudinal beam is higher than the top of the left side of the lower section 2 of the rear longitudinal beam, so that the top of the left side of the lower section 2 of the rear longitudinal beam is positioned below the top of the left side of the upper section 1 of the rear longitudinal beam.
And the top of the left side of the upper section 1 of the rear longitudinal beam is 24mm higher than that of the left side of the lower section 2 of the rear longitudinal beam.
The upper part of the left side of the floor supporting reinforcing plate 3 is welded on the upper part of the left side of the rear longitudinal beam rear section 4, and the bottom of the right side is welded on the upper part of the right side of the rear longitudinal beam upper section 1.
Example 2
The upper section 1 of the rear longitudinal beam, the lower section 2 of the rear longitudinal beam and the rear section 4 of the rear longitudinal beam are welded together, the floor support reinforcing plate 3, the upper section 1 of the rear longitudinal beam, the lower section 2 of the rear longitudinal beam and the rear section 4 of the rear longitudinal beam are welded together, and a formed rear longitudinal beam assembly is welded with the rear wheel cover inner plate 6. Before the rear longitudinal beam assembly is welded with the rear wheel casing inner plate, the rear longitudinal beam is coated with welding glue 5, and after welding is completed, sealing between the rear longitudinal beam and the rear wheel casing inner plate 6 can be realized.
According to the optimized scheme, the boundary of the upper section 1 of the rear longitudinal beam is extended by 24mm upwards, the upper section 1 of the rear longitudinal beam and the lower section 2 of the rear longitudinal beam are welded to form an assembly, the assembly is coated with glue, the rear section 4 of the rear longitudinal beam is welded, a Y-direction assembly is arranged between the rear section 4 of the rear longitudinal beam and the upper section 1 of the rear longitudinal beam and between the rear section 2 of the rear longitudinal beam, the glue is coated in a Y-direction extrusion process, and the glue cannot be scraped, so that sealing can be achieved.
The uneven design between the upper section 1 of the rear longitudinal beam and the lower section 2 of the rear longitudinal beam changes the three-layer plate structure into a two-layer plate structure, and the staggered edge sealing structure of the rear longitudinal beam is formed.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the protection scope of the present invention is not limited to the details of the above embodiments, and within the technical concept of the present invention, any person skilled in the art is within the technical scope of the present invention, and according to the technical solution of the present invention and the inventive concept thereof, equivalent replacement or change is made, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (5)
1. The automobile rear longitudinal beam assembly is characterized by comprising a rear longitudinal beam, a floor support reinforcing plate (3), welding glue (5) and a rear wheel cover inner plate (6), wherein the left side of the rear longitudinal beam is welded on the rear wheel cover inner plate (6), the welding glue (5) is coated on the left side of the rear longitudinal beam between the rear longitudinal beam and the rear wheel cover inner plate (6), and the floor support reinforcing plate (3) is welded above the rear longitudinal beam;
the rear longitudinal beam comprises a rear longitudinal beam upper section (1), a rear longitudinal beam lower section (2) and a rear longitudinal beam rear section (4), wherein the rear longitudinal beam upper section (1) is welded above the rear longitudinal beam lower section (2), the top of the left side of the rear longitudinal beam lower section (2) and the top of the left side of the rear longitudinal beam upper section (1) are not arranged in a parallel and level manner, the rear longitudinal beam rear section (4) is welded at the rear end of the rear longitudinal beam upper section (1), and the bottom of the front end of the rear longitudinal beam rear section (4) is welded above the rear end of the rear longitudinal beam lower section (2);
the outer side of the top of the left side of the upper section (1) of the rear longitudinal beam and the outer side of the top of the left side of the lower section (2) of the rear longitudinal beam are both welded inside the left side of the rear longitudinal beam rear section (4), and welding glue (5) is coated between the upper section (1) of the rear longitudinal beam and the rear longitudinal beam rear section (4).
2. The automobile rear longitudinal beam assembly according to claim 1, characterized in that the right side of the rear longitudinal beam upper section (1) is welded above the right side of the rear longitudinal beam lower section (2), and the left side of the rear longitudinal beam lower section (2) is welded outside the left side of the rear longitudinal beam upper section (1).
3. The automobile rear longitudinal beam assembly according to claim 2, characterized in that the top of the left side of the rear longitudinal beam upper section (1) is higher than the top of the left side of the rear longitudinal beam lower section (2), so that the top of the left side of the rear longitudinal beam lower section (2) is located below the top of the left side of the rear longitudinal beam upper section (1).
4. The automobile rear longitudinal beam assembly of claim 3, characterized in that the left top of the rear longitudinal beam upper section (1) is higher than the left top of the rear longitudinal beam lower section (2) by 24mm.
5. The automobile rear longitudinal beam assembly according to claim 4, characterized in that the floor support reinforcement plate (3) is welded above the left side of the rear longitudinal beam rear section (4) on the left side, and the bottom of the right side is welded above the right side of the rear longitudinal beam upper section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221098026.0U CN217778746U (en) | 2022-05-07 | 2022-05-07 | Automobile rear longitudinal beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221098026.0U CN217778746U (en) | 2022-05-07 | 2022-05-07 | Automobile rear longitudinal beam assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217778746U true CN217778746U (en) | 2022-11-11 |
Family
ID=83908949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221098026.0U Active CN217778746U (en) | 2022-05-07 | 2022-05-07 | Automobile rear longitudinal beam assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217778746U (en) |
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2022
- 2022-05-07 CN CN202221098026.0U patent/CN217778746U/en active Active
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