CN213413979U - Vehicle body C ring structure - Google Patents
Vehicle body C ring structure Download PDFInfo
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- CN213413979U CN213413979U CN202022231299.5U CN202022231299U CN213413979U CN 213413979 U CN213413979 U CN 213413979U CN 202022231299 U CN202022231299 U CN 202022231299U CN 213413979 U CN213413979 U CN 213413979U
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Abstract
The utility model provides a car body C loop constructs belongs to car technical field. The problem that the torsional rigidity of an existing vehicle body C-ring structure is weak is solved. This automobile body C ring structure, including the back floor entablature that can be connected with the automobile body, back floor entablature has the connection cavity of opening down, and back floor entablature in-connection has at least one backup pad, and the backup pad is located and connects the cavity, and the outer border arch of backup pad forms a plurality of and is connected the fixed connecting portion of the chamber wall laminating of cavity. The vehicle body C ring structure increases the torsional rigidity of the vehicle body C ring while realizing the light weight of the vehicle body C ring.
Description
Technical Field
The utility model belongs to the technical field of the car, a automobile body C loop constructs is related to.
Background
The torsional rigidity performance of the vehicle body is one of the most important performances of the vehicle body, the rigidity performance of the vehicle body is improved, so that the deformation of the vehicle body can be reduced when the vehicle body runs on a bumpy road, abnormal sound is reduced, the operation stability is improved, the NVH performance of the vehicle is improved, stress can be reduced, and the durability of the vehicle body is improved. The test measures and calculates the torsional rigidity value of the vehicle body, the constraint point at the rear part is the position of the rear shock absorber, and the position of the rear shock absorber is exactly the position of the C ring of the vehicle body, so the C ring is an important structure influencing the static torsional rigidity value of the vehicle body.
For example, chinese patent application (patent application No. 201820885200.3) discloses a C-ring structure and an automobile, the C-ring structure includes two side columns and a 5 th beam located below the columns, the columns are directly and fixedly connected to the 5 th beam, the C-ring structure includes a cross beam located above the columns, the columns include an upper section connected to the cross beam, a lower section connected to the 5 th beam, and a middle section located between the upper section and the lower section, the upper section and the lower section are configured to be larger in thickness than the middle section, and the columns are connected to the 5 th beam, for example, by welding.
The C-ring structure is characterized in that a closed force transmission path is formed by the No. 5 beam, the upright columns and the cross beams, but the design requires that the upright columns on two sides have enough strength and rigidity for supporting, the structure adopts the thicknesses of the upper section and the lower section of the reinforced upright column to provide the strength and the rigidity of the upright columns, but the thickness of the reinforced upright column can influence the lightweight design of a vehicle body, the No. 5 beam is directly connected with the vehicle body, when the vehicle body is vibrated, because a space is arranged between the No. 5 beam and the vehicle body, the No. 5 beam is easy to deform in the force transmission process, and therefore the C-ring structure cannot meet the requirement of the lightweight vehicle body and can simultaneously improve the performance torsional rigidity of the vehicle body.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided an automobile body C loop structure, the utility model aims to solve the technical problem that: how to solve the problem that the torsional rigidity of the existing vehicle body C-ring structure is weak.
The purpose of the utility model can be realized by the following technical proposal:
the C-ring structure of the vehicle body comprises a rear floor upper beam which can be connected with the vehicle body, and is characterized in that the rear floor upper beam is provided with a connecting cavity with a downward opening, at least one supporting plate is connected in the rear floor upper beam, a plurality of connecting parts which are fixedly attached to the wall of the connecting cavity are formed at the outer edge of the supporting plate in a protruding mode, and the supporting plate is located in the connecting cavity and can abut against the vehicle body.
The working principle is as follows: the upper rear floor beam is connected with the vehicle body, the upper rear floor beam is provided with a connecting cavity with a downward opening, the upper rear floor beam is connected with at least one supporting plate, the supporting plate is positioned in the connecting cavity, the outer edge of the supporting plate is fixedly attached to the cavity wall of the connecting cavity along the convex connecting part, the supporting plate and the upper rear floor beam can be connected in a welding or fastening way, the connecting stability of the supporting plate and the upper rear floor beam can be enhanced, the supporting plate is positioned between the upper rear floor beam and the vehicle body, the arrangement of the supporting plate does not influence the arrangement of other parts in the vehicle and can also enhance the support of the upper rear floor beam, when the vehicle body is vibrated, the supporting plate can support the upper rear floor beam, so that the upper rear floor beam is prevented from being deformed when vibrated, the torsional rigidity of the upper rear floor beam is enhanced, and the torsional rigidity of the structure of the C ring of the vehicle body is, the stability of use is enhanced.
In the above-described C-ring structure of the vehicle body, the support plates have two, one of which is located on the left side of the rear floor upper cross member and the other of which is located on the right side of the rear floor upper cross member.
The number and the position of the supporting plates are arranged, so that the supporting force provided by the supporting plates is more uniform, the situation that only one end of the upper cross beam of the rear floor is supported is avoided, and the torsional rigidity of the C-ring structure of the vehicle body is further improved.
In the above-mentioned vehicle body C ring structure, the left and right sides of the rear floor upper beam are both connected with a front connecting plate and a rear connecting plate, the rear connecting plates are arranged in one-to-one correspondence with the supporting plates, the supporting plates are arranged between the rear floor upper beam and the corresponding rear connecting plate and connected with the rear connecting plate, and the front connecting plates located on the same side are all partially located below the rear connecting plate and connected with the rear connecting plate.
Through setting up backup pad and back connecting plate one-to-one to be connected the backup pad with corresponding back connecting plate, can strengthen the stability that back connecting plate and back floor entablature are connected, make the power transmission route that back floor entablature transmitted preceding connecting plate and back connecting plate complete, further promotion automobile body C loop constructs power transmission stability.
In the above-mentioned C-ring structure of the vehicle body, the front connecting plate and the rear connecting plate are both disposed obliquely outward from top to bottom.
The setting of this structure has strengthened the sectional area of preceding connecting plate and back connecting plate lower part for the bottom of preceding connecting plate and back connecting plate is more firm, thereby can further promote the bottom intensity and the torsional rigidity of preceding connecting plate and back connecting plate behind the floor entablature force transfer after, thereby can further promote the torsional rigidity of automobile body C ring structure.
In the above-mentioned automobile body C ring structure, this automobile body C ring structure still includes two reinforcing plates, the reinforcing plate sets up with preceding connecting plate one-to-one, lies in preceding connecting plate and the back connecting plate that encloses with one side and forms the installation cavity, the reinforcing plate sets up in corresponding installation cavity, and preceding connecting plate and back connecting plate all are connected with this reinforcing plate.
The intensity of connecting plate and back connecting plate before the reinforcing plate sets up, has guaranteed that the bottom sectional area reinforcing back of current connecting plate and back connecting plate can pass through reinforcing plate reinforcing torsional rigidity, and the automobile body C that has avoided adopting the mode that increases the thickness of preceding connecting plate and back connecting plate to lead to constructs heavier, has realized promoting the torsional rigidity that automobile body C constructs under the prerequisite of guaranteeing the automobile body lightweight.
In the above-mentioned C-ring structure of the vehicle body, the width of the front connecting plate and the width of the rear connecting plate are both gradually increased from top to bottom.
The setting of this structure for preceding connecting plate and back connecting plate all are roughly the trapezium structure, and the sectional area of floor entablature left corner and right corner has formed more firm substructure after the further reinforcing, has further promoted the torsional rigidity of automobile body C ring structure.
In the above vehicle body C ring structure, the vehicle body C ring structure further includes a first luggage compartment vertical plate connecting plate capable of being connected with the left side surrounding luggage compartment vertical plate and a second luggage compartment vertical plate connecting plate capable of being connected with the right side surrounding luggage compartment vertical plate, the upper ends of the front connecting plate and the rear connecting plate on the left side of the rear floor upper beam are both connected with the first luggage compartment vertical plate connecting plate, and the upper ends of the front connecting plate and the rear connecting plate on the right side of the rear floor upper beam are both connected with the second luggage compartment vertical plate connecting plate.
The arrangement of the luggage compartment vertical plate connecting plate I and the luggage compartment vertical plate connecting plate II enables force transmission of the whole vehicle body C ring structure to be more complete, and therefore torsional rigidity of the vehicle body C ring structure can be further improved.
Compared with the prior art, this fuselage C ring structure has following advantage:
1. the setting of backup pad does not influence the setting of other parts in the car, can promote the support to rear floor entablature again, and when the automobile body received vibrations, the backup pad can support rear floor entablature to avoid rear floor entablature to take place deformation when receiving vibrations, strengthened rear floor entablature's torsional rigidity, further promoted automobile body C loop structure's torsional rigidity, strengthened the stability of using.
2. The front connecting plate and the rear connecting plate are both roughly of a trapezoidal structure, the sectional areas of the left corner and the right corner of the upper beam of the rear floor can be further enhanced, a more stable bottom structure is formed, and the torsional rigidity of the C-ring structure of the vehicle body is further improved.
Drawings
Fig. 1 is a schematic structural view of the C-ring structure of the vehicle body after assembly.
Fig. 2 is a bottom view of the C-ring structure of the present vehicle body after assembly.
Fig. 3 is a plan view of the C-ring structure of the present vehicle body after assembly.
Fig. 4 is a cross-sectional view taken along a-a in fig. 3.
Fig. 5 is a sectional view taken along B-B in fig. 3.
Fig. 6 is a left side view of the C-ring structure of the present vehicle body.
Fig. 7 is a right side view of the C-ring structure of the present vehicle body.
In the figure, 1, a beam is arranged on a rear floor; 1a, connecting a cavity; 2. a support plate; 21. a connecting portion; 3. a front connecting plate; 4. a rear connecting plate; 5. a reinforcing plate; 6. a mounting cavity; 7. a first connecting plate of a vertical plate of the luggage compartment; 8. a second connecting plate for a vertical plate of the luggage compartment; 9. a front plate of a vertical plate of the left side surrounding luggage compartment; 10. a rear plate of a vertical plate of the left side surrounding luggage compartment; 11. a front plate of a vertical plate of the right side surrounding luggage compartment; 12. a rear plate of a vertical plate of the right side surrounding luggage compartment.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the vehicle body C-ring structure includes a rear floor upper cross member 1 connectable to a vehicle body.
Specifically, as shown in fig. 1-7, the upper rear floor beam 1 has a connecting cavity 1a with a downward opening, at least one supporting plate 2 is connected in the upper rear floor beam 1, the outer edge of the supporting plate 2 protrudes to form a plurality of connecting portions 21 attached to the cavity wall of the connecting cavity 1a, and the supporting plate 2 is located in the connecting cavity 1a and can abut against the vehicle body.
The working principle is as follows: by connecting the rear floor upper beam 1 with the vehicle body, because the rear floor upper beam 1 is provided with a connecting cavity 1a with a downward opening, the rear floor upper beam 1 is connected with at least one supporting plate 2, the supporting plate 2 is positioned in the connecting cavity 1a, the outer edge of the supporting plate 2 is fixedly attached to the cavity wall of the connecting cavity 1a along with a convex connecting part 21, the supporting plate 2 and the rear floor upper beam 1 can be connected by welding or fasteners, the connecting stability of the supporting plate 2 and the rear floor upper beam 1 can be enhanced, the supporting plate 2 is positioned between the rear floor upper beam 1 and the vehicle body, the arrangement of the supporting plate 2 does not affect the arrangement of other parts in the vehicle, the support of the rear floor upper beam 1 can be improved, when the vehicle body is vibrated, the supporting plate 2 can support the rear floor upper beam 1, thereby avoiding the rear floor upper beam 1 from being deformed when being vibrated, the torsional rigidity of the upper cross beam 1 of the rear floor is enhanced, the torsional rigidity of the C-ring structure of the vehicle body is further improved, and the use stability is enhanced.
As shown in fig. 1 to 3, the support plate 2 has two, one support plate 2 being located on the left side of the rear floor upper beam 1, and the other support plate 2 being located on the right side of the rear floor upper beam 1.
As shown in fig. 4-7, the left and right sides of the upper beam 1 of the rear floor are connected with a front connecting plate 3 and a rear connecting plate 4, the rear connecting plates 4 are arranged in one-to-one correspondence with the supporting plates 2, the supporting plates 2 are arranged between the upper beam 1 of the rear floor and the corresponding rear connecting plate 4 and connected with the rear connecting plate 4, and the front connecting plates 3 located at the same side are partially located below the rear connecting plate 4 and connected with the rear connecting plate 4.
As shown in fig. 2 and 3, the front connecting plate 3 and the rear connecting plate 4 are both inclined outward from top to bottom.
As shown in fig. 6 and 7, the vehicle body C-ring structure further includes two reinforcing plates 5, the reinforcing plates 5 are disposed in one-to-one correspondence with the front connecting plates 3, the front connecting plates 3 and the rear connecting plates 4 located on the same side are surrounded to form mounting cavities 6, the reinforcing plates 5 are disposed in the corresponding mounting cavities 6, and the front connecting plates 3 and the rear connecting plates 4 are connected to the reinforcing plates 5.
As shown in fig. 6 and 7, the width of the front connection plate 3 and the width of the rear connection plate 4 are gradually increased from top to bottom.
As shown in fig. 4-7, the vehicle body C-ring structure further includes a first luggage compartment vertical plate connecting plate 7 capable of being connected with the left side luggage compartment vertical plate and a second luggage compartment vertical plate connecting plate 8 capable of being connected with the right side luggage compartment vertical plate, the upper ends of the front connecting plate 3 and the rear connecting plate 4 on the left side of the rear floor upper beam 1 are both connected with the first luggage compartment vertical plate connecting plate 7, and the upper ends of the front connecting plate 3 and the rear connecting plate 4 on the right side of the rear floor upper beam 1 are both connected with the second luggage compartment vertical plate connecting plate 8.
The left side-wall luggage compartment vertical plate comprises a left side-wall luggage compartment vertical plate front plate 9 and a left side-wall luggage compartment vertical plate rear plate 10, a luggage compartment vertical plate connecting plate I7 is arranged between the left side-wall luggage compartment vertical plate front plate 9 and the left side-wall luggage compartment vertical plate rear plate 10, and the left side-wall luggage compartment vertical plate front plate 9 and the left side-wall luggage compartment vertical plate rear plate 10 are both connected with the luggage compartment vertical plate connecting plate I7; the right side wall luggage compartment vertical plate comprises a right side wall luggage compartment vertical plate front plate 11 and a right side wall luggage compartment vertical plate rear plate 12, a luggage compartment vertical plate connecting plate two 8 is arranged between the right side wall luggage compartment vertical plate front plate 11 and the right side wall luggage compartment vertical plate rear plate 12, and the right side wall luggage compartment vertical plate front plate 11 and the right side wall luggage compartment vertical plate rear plate 12 are both connected with the luggage compartment vertical plate connecting plate two 8.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a car body C ring structure, includes rear floor entablature (1) that can be connected with the automobile body, its characterized in that, rear floor entablature (1) has connection cavity (1a) that the opening is down, rear floor entablature (1) in-connection has at least one backup pad (2), the outer border arch of backup pad (2) forms a plurality ofly and the fixed connecting portion (21) of the chamber wall laminating of connecting cavity (1a), backup pad (2) are located and connect cavity (1a) and can lean on with the automobile body counterbalance.
2. The vehicle body C-ring structure according to claim 1, characterized in that the support plates (2) have two, one support plate (2) being located on the left side of the rear floor upper cross member (1) and the other support plate (2) being located on the right side of the rear floor upper cross member (1).
3. The vehicle body C-ring structure according to claim 2, wherein a front connecting plate (3) and a rear connecting plate (4) are connected to the left side and the right side of the rear floor upper cross beam (1), the rear connecting plates (4) are arranged in a one-to-one correspondence with the supporting plates (2), the supporting plates (2) are arranged between the rear floor upper cross beam (1) and the corresponding rear connecting plates (4) and are connected with the rear connecting plates (4), and the front connecting plates (3) on the same side are partially located below the rear connecting plates (4) and are connected with the rear connecting plates (4).
4. The vehicle body C-ring structure according to claim 3, characterized in that the front connecting plate (3) and the rear connecting plate (4) are both arranged obliquely outwards from top to bottom.
5. The vehicle body C-ring structure according to claim 3, further comprising two reinforcing plates (5), wherein the reinforcing plates (5) are arranged in a one-to-one correspondence with the front connecting plates (3), the front connecting plates (3) and the rear connecting plates (4) which are positioned on the same side surround to form mounting cavities (6), the reinforcing plates (5) are arranged in the corresponding mounting cavities (6), and the front connecting plates (3) and the rear connecting plates (4) are connected with the reinforcing plates (5).
6. The vehicle body C-ring structure according to claim 3, characterized in that the width of the front connecting plate (3) and the width of the rear connecting plate (4) are gradually increased from top to bottom.
7. The vehicle body C-ring structure according to claim 3, further comprising a first luggage compartment vertical plate connecting plate (7) capable of being connected with the left side luggage compartment vertical plate and a second luggage compartment vertical plate connecting plate (8) capable of being connected with the right side luggage compartment vertical plate, wherein the upper end of the front connecting plate (3) and the upper end of the rear connecting plate (4) on the left side of the rear floor upper cross beam (1) are both connected with the first luggage compartment vertical plate connecting plate (7), and the upper end of the front connecting plate (3) and the upper end of the rear connecting plate (4) on the right side of the rear floor upper cross beam (1) are both connected with the second luggage compartment vertical plate connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231299.5U CN213413979U (en) | 2020-10-09 | 2020-10-09 | Vehicle body C ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022231299.5U CN213413979U (en) | 2020-10-09 | 2020-10-09 | Vehicle body C ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213413979U true CN213413979U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022231299.5U Active CN213413979U (en) | 2020-10-09 | 2020-10-09 | Vehicle body C ring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213413979U (en) |
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2020
- 2020-10-09 CN CN202022231299.5U patent/CN213413979U/en active Active
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