CN218769904U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
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- CN218769904U CN218769904U CN202223277394.4U CN202223277394U CN218769904U CN 218769904 U CN218769904 U CN 218769904U CN 202223277394 U CN202223277394 U CN 202223277394U CN 218769904 U CN218769904 U CN 218769904U
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- shell
- side wall
- battery pack
- connecting part
- concave
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Abstract
The utility model discloses a battery pack and a vehicle with the same, which comprises a shell, an installation lifting lug arranged on the outer side wall of the shell, and a fixed beam arranged on the inner side wall of the shell and opposite to the installation lifting lug; the fixed beam is provided with a first connecting part and a second connecting part, one side of the first connecting part, which is close to the inner side wall of the shell, is connected with the second connecting part, the second connecting part is connected with the inner side wall of the shell, and the bottom of the first connecting part is connected with the inner surface of the bottom of the shell; the second connecting portion is provided with a plurality of concave portions which are concave towards the inner side wall of the shell at intervals along the extending direction of the second connecting portion, and the concave portions are connected with the side wall of the shell. The utility model discloses a battery package designs on the second connecting portion of fixed beam towards a plurality of concave parts that the casing inside wall is sunken in order to form strengthening rib structure to this increases the intensity and the rigidity of fixed beam, thereby strengthens structural strength and the rigidity of the junction on installation lug upper portion.
Description
Technical Field
The utility model relates to an electric automobile technical field especially relates to a battery package and have its vehicle.
Background
The power battery pack is used as the only power source of the pure electric vehicle and bears the mass of modules such as a battery pack, and therefore the strength and the rigidity of the power battery pack can meet the use requirements to ensure the driving safety. The power battery pack is fixed on a chassis of the electric automobile through the fixed lifting lugs on the peripheral side, the fixed lifting lugs are used as main bearing parts of the power battery pack and are installed on the outer wall of the shell, and the fixed beams are arranged on the opposite inner wall of the shell to strengthen the strength and rigidity of the shell at the fixed lifting lugs through the fixed beams, so that the situation that the fixed lifting lugs are subjected to fatigue fracture to cause potential safety hazards when the vehicle runs under the vibration impact of jolt is avoided.
Referring to fig. 1 and 2, a battery pack in the prior art mainly includes a housing, a mounting lug mounted on an outer side wall of the housing, and a fixing beam mounted on an inner side wall of the housing and opposite to the mounting lug, the fixing beam longitudinally extends along a side wall of the housing, the fixing beam includes a first connecting portion and a second connecting portion in a "Z" shape, one side of the first connecting portion, which is close to the side wall of the housing, upwardly extends along the side wall of the housing to form a second connecting portion, the second connecting portion is connected to the side wall of the housing, a bottom of the first connecting portion is connected to an inner surface of the bottom of the housing, when an electric vehicle runs on a bumpy road surface, the mounting lug is subjected to an impact force of vertical vibration, an upper portion of the mounting lug in the prior art is connected to the side wall of the housing and the second connecting portion which is a "flat plate", and therefore, structural strength and rigidity are poor, fatigue fracture is likely to occur at the fixing lug, and potential safety hazards are caused.
Therefore, in view of the above technical problems, it is highly desirable to develop a battery pack and a vehicle having the same.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a design a plurality of concave parts sunken towards the casing inside wall on the fixed beam in order to form strengthening rib structure to this increases the intensity and the rigidity of fixed beam, thereby strengthens the battery package of the structural strength and the rigidity of the junction on installation lug upper portion and has its vehicle.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a battery pack, this battery pack mainly includes:
a housing;
the mounting lifting lug is mounted on the outer side wall of the shell; and
the fixed beam is arranged on the inner side wall of the shell and is opposite to the installation lifting lug;
the fixed beam is provided with a first connecting part and a second connecting part, one side of the first connecting part, which is close to the inner side wall of the shell, is connected with the second connecting part, the second connecting part is connected with the inner side wall of the shell, and the bottom of the first connecting part is connected with the inner surface of the bottom of the shell;
the second connecting portion is provided with a plurality of concave portions which are concave towards the inner side wall of the shell at intervals along the extending direction of the second connecting portion, and the concave portions are connected with the side wall of the shell.
Further, the second connecting part comprises a main body part in a bending structure;
the main body portion includes:
a first flange adjacent an inner sidewall of the housing; and
the side, close to the inner side wall, of the bent part is connected with the bottom of the first folded edge, and the bottom, far away from the inner side wall, of the bent part is connected with the first connecting part;
the plurality of concave parts are arranged on the bending part at intervals.
Furthermore, one side of the concave part, which is close to the inner side wall of the shell, is coplanar with the first folding edge, and is welded and fixed with the inner side wall of the shell through a welding point at the joint of the concave part and the first folding edge;
the top surface of the concave part and the side far away from the first folding edge are formed into openings.
Further, the number of the fixed beams is at least two;
the battery pack further comprises at least one connecting beam, and the connecting beam is positioned between two adjacent fixing beams;
the fixed beam extends along a first direction, the connecting beam extends along a second direction, and a certain angle is formed between the first direction and the second direction;
the end part of one end, matched with the fixed beam, of the connecting beam is formed into a third connecting part, and the third connecting part is connected with the shell and the two corresponding fixed beams;
fourth connecting parts are formed on two sides of the bottom of the connecting beam and connected with the inner surface of the bottom of the shell;
the joint of the third connecting part and the fourth connecting part is in transition through an arc or a chamfer.
The utility model also discloses a vehicle, which comprises an installation beam positioned at the bottom of the vehicle and the battery pack which is hoisted on the installation beam;
the battery pack is connected with the mounting beam through the mounting lifting lug.
In the technical scheme, the utility model provides a pair of battery package and have its vehicle has following beneficial effect:
the utility model discloses a battery package designs on the second connecting portion of fixed beam towards a plurality of concave parts that the casing inside wall is sunken in order to form strengthening rib structure to this increases the intensity and the rigidity of fixed beam, thereby strengthens structural strength and the rigidity of the junction on installation lug upper portion.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used 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 can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of a partial structure of a battery pack in the prior art;
FIG. 2 is a schematic cross-sectional view illustrating a battery pack mounting lug attachment according to the prior art;
fig. 3 is a schematic view of a partial structure of a battery pack according to an embodiment of the present invention;
fig. 4 is a schematic view showing a connection cross section of a mounting lug of a battery pack according to an embodiment of the present invention;
fig. 5 is a schematic view of a connection structure between a connection beam and a fixed beam of a battery pack provided by an embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. mounting a lifting lug; 3. a fixed beam; 4. a connecting beam; 5. welding spots;
31. a first connection portion; 32. a second connecting portion;
321. a first folded edge; 322. a bending section;
41. a third connecting portion; 42. and a fourth connecting part.
Detailed Description
In order to make the technical solution 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.
As shown in fig. 3-5;
a battery pack of this embodiment, this battery pack mainly includes:
a housing 1;
the mounting lifting lug 2 is mounted on the outer side wall of the shell 1; and
the fixed beam 3 is arranged on the inner side wall of the shell 1 and is opposite to the installation lifting lug 2;
the fixed beam 3 is provided with a first connecting part 31 and a second connecting part 32, one side of the first connecting part 31 close to the inner side wall of the shell 1 is connected with the second connecting part 32, the second connecting part 32 is connected with the inner side wall of the shell 1, and the bottom of the first connecting part 31 is connected with the inner surface of the bottom of the shell 1;
the second connecting portion 32 has a plurality of recesses 323 recessed toward the inner wall of the housing 1 at intervals in the extending direction thereof, and the recesses 323 are connected to the inner wall of the housing 1.
Specifically, the embodiment discloses a battery pack with a reinforcing rib structure, which comprises a shell 1, a mounting lug 2 and a fixed beam 3; wherein, the fixed beam 3 is provided with a first connecting part 31 and a second connecting part 32 which are Z-shaped; in the present embodiment, the plurality of recesses 323 recessed toward the inner sidewall of the housing 1 at intervals are formed in the second connecting portion 32, and the reinforcing rib structure is formed by the plurality of recesses 323, so that the strength and rigidity of the fixing beam 3 are increased, thereby enhancing the structural strength and rigidity of the connection portion where the upper portion of the shackle 2 is mounted.
Preferably, the second connecting portion 32 of the present embodiment includes a main body portion having a bending structure;
the main body part includes:
a first folding edge 321 near the inner side wall of the housing 1; and
the side of the bending part 322 close to the inner side wall is connected with the bottom of the first folding edge 321, and the bottom of the side of the bending part 322 far away from the inner side wall is connected with the first connecting part 31;
the plurality of concave portions 323 are provided at intervals on the bent portion 322.
One side of the concave part 323 close to the inner side wall of the shell 1 in the embodiment is coplanar with the first folding edge 321, and is welded and fixed with the inner side wall of the shell 1 through a welding point at the joint of the concave part 323 and the first folding edge 321;
the top surface of the concave portion 323 and the side away from the first flap 321 are formed as openings.
The second connecting portion 32 is further limited in structure, and includes a main body portion having a bending structure of a '\12579'. The specific connection is described above. The outer circumference of the concave part 323 of the present embodiment is connected to the bent part 322 and the first folding edge 321, and a continuous surface having different convexes and concaves is formed by the connection of the outer circumference of the concave part 323 and the bent part 322 and the first folding edge 321, thereby enhancing the structural strength and rigidity of the fixing beam.
As an expanded embodiment: the main body portion of this embodiment may also be in a "1" shape, the bottom of the main body portion is connected to the first connecting portion 31, and a convex portion far away from the inner side wall of the housing 1 is disposed at the connection between the bottom of the main body portion and the first connecting portion, the reinforcing principle of the strength and rigidity is similar to that of the above embodiment, and details are not repeated here.
Preferably, the number of the fixed beams 3 of the present embodiment is at least two;
the battery pack also comprises at least one connecting beam 4, and the connecting beam 4 is positioned between two adjacent fixed beams 3;
the fixed beam 3 extends along a first direction, the connecting beam 4 extends along a second direction, and the first direction and the second direction form a certain angle;
the end part of the end of the connecting beam 4, which is matched with the fixed beam 3, is formed into a third connecting part 41, and the third connecting part 41 is connected with the shell 1 and the two corresponding fixed beams 3;
fourth connecting parts 42 are formed at both sides of the bottom of the connecting beam 4, and the fourth connecting parts 42 are connected with the inner surface of the bottom of the housing 1;
the junction of the third connecting portion 41 and the fourth connecting portion 42 is transited by an arc or a chamfer.
In this embodiment, the end of the fixed beam 3 is overlapped with the third connecting portion 41 and is located on one side of the third connecting portion 41 away from the side wall of the housing 1, the end of the fixed beam 3 is connected with the third connecting portion 41 and the housing 1 through a welding point located on the upper portion of the third connecting portion 41, and the third connecting portion 41 is connected with the side wall of the housing 1 through two welding points located on the lower portion of the third connecting portion 41. Preferably, the cross section of the connecting beam 4 of the present embodiment is in a shape like a Chinese character 'ji', three adjacent convex surfaces of the end of the connecting beam 4 are formed as third connecting portions 41 extending outwards along the side wall of the housing 1, two sides of the bottom of the connecting beam 4 are formed as fourth connecting portions 42 extending outwards along the housing 1, and the connecting portions of the third connecting portions 41 and the fourth connecting portions 42 are transited by an arc or a chamfer.
The utility model also discloses a vehicle, which comprises an installation beam positioned at the bottom of the vehicle and the battery pack hung on the installation beam;
the battery package is connected with the installation beam through the installation lifting lug 2.
In the technical scheme, the utility model provides a pair of battery package and have its vehicle has following beneficial effect:
the utility model discloses a battery package designs a plurality of concave parts 323 sunken towards casing 1 inside wall on the second connecting portion 32 of fixed beam 3 with forming strengthening rib structure to this increases fixed beam 3's intensity and rigidity, thereby strengthens the structural strength and the rigidity of the junction on installation lug 2 upper portion.
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 the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. A battery pack, the battery pack mainly comprising:
a housing (1);
the mounting lifting lug (2) is mounted on the outer side wall of the shell (1); and
the fixed beam (3) is arranged on the inner side wall of the shell (1) and is opposite to the installation lifting lug (2);
the fixing beam (3) is provided with a first connecting part (31) and a second connecting part (32), one side, close to the inner side wall of the shell (1), of the first connecting part (31) is connected with the second connecting part (32), the second connecting part (32) is connected with the inner side wall of the shell (1), and the bottom of the first connecting part (31) is connected with the inner surface of the bottom of the shell (1);
the connecting structure is characterized in that a plurality of concave parts (323) which are concave towards the inner side wall of the shell (1) are arranged at intervals along the extending direction of the second connecting part (32), and the concave parts (323) are connected with the side wall of the shell (1).
2. The battery pack according to claim 1, wherein the second connecting portion (32) includes a main body portion in a bent-type structure;
the main body portion includes:
a first fold (321) adjacent to an inner side wall of the housing (1); and
the side, close to the inner side wall, of the bent part (322) is connected with the bottom of the first folding edge (321), and the bottom, far away from the inner side wall, of the bent part (322) is connected with the first connecting part (31);
the plurality of concave portions (323) are provided at intervals on the bent portion (322).
3. The battery pack according to claim 2, wherein the side of the concave part (323) close to the inner side wall of the shell (1) is coplanar with the first folding edge (321), and is welded and fixed with the inner side wall of the shell (1) through a welding point at the joint of the concave part (323) and the first folding edge (321);
the top surface of the recess (323) and the side away from the first folded edge (321) are formed as an opening.
4. Battery pack according to any of claims 1 to 3, characterized in that the number of the fixing beams (3) is at least two;
the battery pack further comprises at least one connecting beam (4), and the connecting beam (4) is positioned between two adjacent fixing beams (3);
the fixed beam (3) extends along a first direction, the connecting beam (4) extends along a second direction, and a certain angle is formed between the first direction and the second direction;
the end part of one end, matched with the fixed beam (3), of the connecting beam (4) is formed into a third connecting part (41), and the third connecting part (41) is connected with the shell (1) and the two corresponding fixed beams (3);
fourth connecting parts (42) are formed on two sides of the bottom of the connecting beam (4), and the fourth connecting parts (42) are connected with the inner surface of the bottom of the shell (1);
the connection part of the third connection part (41) and the fourth connection part (42) is transited through an arc or a chamfer.
5. A vehicle comprising a mounting beam at a bottom of the vehicle and a battery pack according to any one of claims 1 to 4 hung on the mounting beam;
the battery pack is connected with the mounting beam through the mounting lifting lug (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277394.4U CN218769904U (en) | 2022-12-07 | 2022-12-07 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277394.4U CN218769904U (en) | 2022-12-07 | 2022-12-07 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769904U true CN218769904U (en) | 2023-03-28 |
Family
ID=85680829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223277394.4U Active CN218769904U (en) | 2022-12-07 | 2022-12-07 | Battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769904U (en) |
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2022
- 2022-12-07 CN CN202223277394.4U patent/CN218769904U/en active Active
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