CN115056855B - Reinforcement structure for root of longitudinal beam of cabin of electric vehicle - Google Patents
Reinforcement structure for root of longitudinal beam of cabin of electric vehicle Download PDFInfo
- Publication number
- CN115056855B CN115056855B CN202210743326.8A CN202210743326A CN115056855B CN 115056855 B CN115056855 B CN 115056855B CN 202210743326 A CN202210743326 A CN 202210743326A CN 115056855 B CN115056855 B CN 115056855B
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- China
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- longitudinal beam
- rear section
- main body
- front wall
- electric vehicle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
- B62D25/025—Side sills thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
Abstract
The invention discloses a root reinforcing structure of an electric vehicle cabin longitudinal beam, which belongs to the technical field of electric vehicle cabin longitudinal beams and comprises a longitudinal beam main body formed by encircling an outer plate and an inner plate; one end of the longitudinal beam main body is half-surrounded with a notch of a concave structure; the front wall front cross beam is fixedly connected with a front wall left support plate at the side far away from the longitudinal beam main body, so that an upper reinforcing cross beam is formed by the front wall left support plate and the front wall front cross beam; the invention designs a double-beam reinforcing structure at the root of a cabin longitudinal beam main body, and the double-beam reinforcing structure is connected with the cabin longitudinal beam main body through welding spots, so that the member cabin space after collision is effectively protected.
Description
Technical Field
The invention relates to the technical field of motor vehicle cabins, in particular to a root reinforcing structure of a longitudinal beam of a motor vehicle cabin.
Background
The electric vehicle needs to be provided with the largest battery space, so that the endurance mileage is increased; generally, a large-section reinforcing longitudinal beam cannot be designed at the root of a longitudinal beam of a cabin, and at present, the following problems exist in the existing reinforcing structure of the root of the longitudinal beam of the cabin of the electric vehicle:
1. the cabin longitudinal beam root reinforcing structure occupies space, so that the battery arrangement space is reduced, and the ground clearance is reduced;
2. the safety performance and the collision performance of the cabin longitudinal beam root structure which does not form a continuous structure are poor;
3. the root structure of the cabin longitudinal beam forms a plurality of force transmission paths, and cannot meet the structural requirement of small offset collision.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a root reinforcing structure of a longitudinal beam of an engine room of an electric vehicle.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention discloses an electric vehicle cabin longitudinal beam root reinforcing structure, which comprises the following components:
a side member main body formed by being surrounded by the outer plate and the inner plate;
one end of the longitudinal beam main body is half-surrounded with a notch of a concave structure;
the front wall front cross beam is fixedly connected with a front wall left support plate at the side far away from the longitudinal beam main body, so that an upper reinforcing cross beam is formed by the front wall left support plate and the front wall front cross beam;
the lateral part of the outer plate is positioned on one side below the upper reinforcing beam, and is fixedly connected with a left front longitudinal beam diagonal bracing beam upper plate and a left front threshold connecting beam for forming a lower reinforcing beam, and the upper part of the left front threshold connecting beam is fixedly connected with the left front longitudinal beam diagonal bracing beam.
Further, the longitudinal beam main body and the front wall front cross beam are integrally constructed in a Y-shaped structure.
Further, the front wall front cross beam is in spot welding connection with the front wall left support plate, the outer plate, the inner plate and the left front longitudinal beam diagonal bracing beam upper plate.
Further, the left longitudinal beam comprises a left longitudinal beam rear section, and the left front threshold connecting cross beam is far away from the lower part of the longitudinal beam main body and fixedly connected with the left longitudinal beam rear section corresponding to the end part of the longitudinal beam main body.
Further, the rear section of the left longitudinal beam is of a split structure;
the left longitudinal beam rear section comprises a left longitudinal beam rear section I and a left longitudinal beam rear section II;
the left longitudinal beam rear section I and the left longitudinal beam rear section II are respectively provided with a flanging structure.
Further, the upper plate of the left front longitudinal beam inclined strut beam is in spot welding connection with the left front threshold connecting cross beam, the outer plate and the rear section I of the left longitudinal beam.
Further, the left front threshold connecting cross beam is in spot welding connection with the left front longitudinal beam diagonal bracing beam upper plate, the left longitudinal beam rear section I and the outer plate.
Further, the inner plate is in spot welding connection with the rear section II of the left longitudinal beam.
In the technical scheme, compared with the prior art, the double-beam reinforcing structure is designed at the root of the cabin longitudinal beam main body, the upper reinforcing beam is a front wall front beam and a front wall left support plate, the lower reinforcing beam consists of a left front longitudinal beam diagonal bracing beam upper plate and a left front threshold connecting beam, the double-beam reinforcing structure is connected with the cabin longitudinal beam main body through welding spots, so that the member cabin space after collision is effectively protected, and the double-beam reinforcing structure has the following beneficial effects:
1) The member cabin space after collision is effectively protected, and the safety performance of the vehicle is greatly improved.
2) The structural strength is improved, the durable safety performance of the structure is improved, and the risk of fatigue cracking is reduced;
3) Forming a front-back left-right through structure, and increasing the small offset collision performance of the vehicle;
4) Meanwhile, the upper section and the lower section of the front section structure of the double cross beams are consistent, so that the occupation of the space for enveloping the tire is reduced, and the space in the vehicle is enlarged;
5) The root part does not occupy the structural space, so that the arrangement space of the battery pack is maximized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is an isometric view of a reinforcement structure for the root of a longitudinal beam of an electric vehicle cabin in accordance with the present disclosure;
fig. 2 is another perspective isometric view of a reinforcement structure for the root of a longitudinal beam of an electric vehicle cabin, in accordance with the present disclosure.
Reference numerals illustrate:
a front cross member 1; a front left support plate 2; the left front longitudinal beam is obliquely supported by the beam upper plate 3; the left front threshold is connected with the cross beam 4; an outer plate 5; an inner plate 6; the rear section I7 of the left longitudinal beam; left longitudinal beam rear section II 8.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1, 2;
the invention discloses a root reinforcing structure of a longitudinal beam of an engine room of an electric vehicle, which comprises the following components: a longitudinal beam main body and a front wall front cross beam 1; a front left support plate 2; the left front longitudinal beam is obliquely supported by the beam upper plate 3; the left front threshold is connected with the cross beam 4; the rear section I7 of the left longitudinal beam; rear section II 8 of left longitudinal beam;
a side member main body formed by surrounding an outer panel 5 and an inner panel 6, and located within a cabin assembly in a vehicle;
one end of the longitudinal beam main body is half-surrounded by a front wall front cross beam 1 in a notch of a concave structure;
the front left support plate 2 is fixedly connected to the side, far away from the longitudinal beam main body, of the front cross beam 1, so that an upper reinforcing cross beam is formed by the front left support plate 2 and the front cross beam 1; the longitudinal beam main body and the front wall front cross beam 1 are integrally constructed into a Y-shaped structure.
The lateral part of the outer plate 5 is fixedly connected with the left front longitudinal beam diagonal bracing upper plate 3 and the left front threshold connecting beam 4 on one side below the upper reinforcing beam, and is used for forming a lower reinforcing beam, and the upper part of the left front threshold connecting beam 4 is fixedly connected with the left front longitudinal beam diagonal bracing. According to the structure, the double-beam reinforcing structure is formed at the root of the cabin longitudinal beam main body through the upper reinforcing beam and the lower reinforcing beam, and is connected with the cabin longitudinal beam main body through welding spots, so that the cabin space of a member after collision is effectively protected;
preferably, the front wall front cross beam 1 is in spot welding connection with the front wall left support plate 2, the outer plate 5, the inner plate 6 and the left front longitudinal beam diagonal bracing beam upper plate 3, so as to form an upper cross beam reinforcing structure;
see fig. 1, 2;
preferably, the left longitudinal beam rear section is fixedly connected with the left front threshold connecting cross beam 4 at a position far away from the lower part of the longitudinal beam main body and corresponding to the end part of the longitudinal beam main body.
Specifically, the rear section of the left longitudinal beam is of a split structure; the left longitudinal beam rear section comprises a left longitudinal beam rear section I7 and a left longitudinal beam rear section II 8, and the left longitudinal beam rear section I7 and the left longitudinal beam rear section II 8 are far away from the left front threshold connecting cross beam 4 side and all have flanging structures.
Preferably, the upper plate 3 of the left front longitudinal beam diagonal bracing beam is in spot welding connection with the left front threshold connecting beam 4, the outer plate 5 and the rear section I7 of the left longitudinal beam, so as to form a lower beam reinforcing structure;
secondly, the left front threshold connecting cross beam 4 is in spot welding connection with the left front longitudinal beam diagonal bracing beam upper plate 3, the left longitudinal beam rear section I7 and the outer plate 5, so that the root of a longitudinal beam main body can be effectively protected;
in addition, the inner plate 6 is in spot welding connection with the rear section II 8 of the left longitudinal beam, so that the structure is communicated, the stress is continuous, and the structure is more stable;
in the technical scheme, the root reinforcing structure of the cabin longitudinal beam of the electric vehicle is provided, a double-beam reinforcing structure is designed at the root of the cabin longitudinal beam main body, and the upper reinforcing beam is a front wall front beam and a front wall left supporting plate. The lower reinforcing beam consists of a left front longitudinal beam inclined strut upper plate and a left front threshold connecting beam; the double-beam reinforcing structure is connected with the cabin longitudinal beam through welding spots, so that the cabin space of the member after collision is effectively protected.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (6)
1. An electric vehicle cabin stringer root reinforcing structure, comprising:
a longitudinal beam main body formed by surrounding an outer plate (5) and an inner plate (6);
one end of the longitudinal beam main body is half-surrounded by a front wall front cross beam (1) in a notch of a concave structure;
the front wall front cross beam (1) is fixedly connected with a front wall left support plate (2) far away from the longitudinal beam main body side, so that the front wall left support plate (2) and the front wall front cross beam (1) form an upper reinforcing cross beam;
a left front longitudinal beam inclined strut upper plate (3) and a left front threshold connecting beam (4) are fixedly connected to one side of the side part of the outer plate (5) below the upper reinforcing beam, and are used for forming a lower reinforcing beam, and the upper part of the left front threshold connecting beam (4) is fixedly connected with the left front longitudinal beam inclined strut upper plate (3);
the left longitudinal beam is fixedly connected with the left longitudinal beam rear section at a position which is far away from the lower part of the longitudinal beam main body and corresponds to the end part of the longitudinal beam main body by the left front threshold connecting cross beam (4);
the rear section of the left longitudinal beam is of a split structure;
the left longitudinal beam rear section comprises a left longitudinal beam rear section I (7) and a left longitudinal beam rear section II (8);
the left longitudinal beam rear section I (7) and the left longitudinal beam rear section II (8) are respectively provided with a flanging structure.
2. The electric vehicle cabin rail root reinforcement structure of claim 1, wherein;
the longitudinal beam main body and the front wall front cross beam (1) are integrally constructed into a Y-shaped structure.
3. An electric vehicle cabin stringer root reinforcement structure according to claim 1 or 2, wherein;
the front wall front cross beam (1) is in spot welding connection with the front wall left support plate (2), the outer plate (5), the inner plate (6) and the left front longitudinal beam diagonal bracing beam upper plate (3).
4. The electric vehicle cabin rail root reinforcement structure of claim 1, wherein;
the left front longitudinal beam diagonal bracing beam upper plate (3) is in spot welding connection with the left front threshold connecting cross beam (4), the outer plate (5) and the left longitudinal beam rear section I (7).
5. The electric vehicle cabin rail root reinforcement structure of claim 1, wherein;
the left front threshold connecting cross beam (4) is in spot welding connection with the left front longitudinal beam diagonal bracing upper plate (3), the left longitudinal beam rear section I (7) and the outer plate (5).
6. The electric vehicle cabin rail root reinforcement structure of claim 1, wherein;
the inner plate (6) is in spot welding connection with the rear section II (8) of the left longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210743326.8A CN115056855B (en) | 2022-06-27 | 2022-06-27 | Reinforcement structure for root of longitudinal beam of cabin of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210743326.8A CN115056855B (en) | 2022-06-27 | 2022-06-27 | Reinforcement structure for root of longitudinal beam of cabin of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN115056855A CN115056855A (en) | 2022-09-16 |
| CN115056855B true CN115056855B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210743326.8A Active CN115056855B (en) | 2022-06-27 | 2022-06-27 | Reinforcement structure for root of longitudinal beam of cabin of electric vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070079A (en) * | 2006-05-12 | 2007-11-14 | 马自达汽车株式会社 | Vehicle front body structure |
| JP2019006250A (en) * | 2017-06-23 | 2019-01-17 | 三菱自動車工業株式会社 | Structure of vehicle body front part |
| CN208559504U (en) * | 2018-06-13 | 2019-03-01 | 力帆实业(集团)股份有限公司 | Electric car lower body frame |
| CN113968285A (en) * | 2021-10-26 | 2022-01-25 | 东风越野车有限公司 | Front engine room structure of off-road vehicle body |
| CN114104118A (en) * | 2021-12-16 | 2022-03-01 | 广州小鹏汽车科技有限公司 | Front cabin structure, vehicle and vehicle body connection structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204544B (en) * | 2017-06-30 | 2020-11-06 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN107600191B (en) * | 2017-08-31 | 2019-06-11 | 北京新能源汽车股份有限公司 | A kind of automobile front chamber force transferring structure and automobile |
| CN208616042U (en) * | 2018-08-07 | 2019-03-19 | 广州汽车集团股份有限公司 | Front longitudinal beam force transferring structure and all-aluminium body |
| CN209795613U (en) * | 2019-03-30 | 2019-12-17 | 长城汽车股份有限公司 | Front structure of lower body of automobile |
| US11014611B2 (en) * | 2019-04-11 | 2021-05-25 | Hyundai Motor Company | Front body of vehicle |
| CN211519681U (en) * | 2019-12-20 | 2020-09-18 | 北京车和家信息技术有限公司 | Vehicle chassis, vehicle body structure and vehicle |
| CN111547136B (en) * | 2020-05-26 | 2021-12-03 | 重庆金康赛力斯新能源汽车设计院有限公司 | Front end force transmission structure of electric vehicle |
| CN214267779U (en) * | 2020-12-11 | 2021-09-24 | 广州汽车集团股份有限公司 | Front cabin frame and vehicle |
-
2022
- 2022-06-27 CN CN202210743326.8A patent/CN115056855B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101070079A (en) * | 2006-05-12 | 2007-11-14 | 马自达汽车株式会社 | Vehicle front body structure |
| JP2019006250A (en) * | 2017-06-23 | 2019-01-17 | 三菱自動車工業株式会社 | Structure of vehicle body front part |
| CN208559504U (en) * | 2018-06-13 | 2019-03-01 | 力帆实业(集团)股份有限公司 | Electric car lower body frame |
| CN113968285A (en) * | 2021-10-26 | 2022-01-25 | 东风越野车有限公司 | Front engine room structure of off-road vehicle body |
| CN114104118A (en) * | 2021-12-16 | 2022-03-01 | 广州小鹏汽车科技有限公司 | Front cabin structure, vehicle and vehicle body connection structure |
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| CN115056855A (en) | 2022-09-16 |
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