Battery box body structure

Abstract

The utility model provides a battery box body structure, which relates to the technical field of battery box bodies, and comprises a box body, the first-layer structure assembly is arranged on the inner bottom surface of the box body; the at least four stand columns are arranged on the peripheral side of the interior of the box body, the stand columns are connected to the inner side wall of the box body, and the bottom ends of the stand columns are connected to the first-layer structure assembly; the two-layer structure assembly is arranged in the box body and connected to the top ends of the stand columns, and the first-layer structure assembly and the two-layer structure assembly are both used for installing battery modules; the battery box body structure can effectively decompose and transfer force transmitted from a chassis of a vehicle body, the stability is high, and the overall strength of the battery box body structure is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery boxes, and more specifically, relates to a battery box structure and a battery. Background Art

[0002] New energy agricultural machinery is an indispensable agricultural machinery in modern agriculture. It provides a guarantee for the environmental protection, high efficiency and safety of agricultural production, can effectively improve the efficiency and quality of agricultural production, and has broad market application prospects. How to maximize its strength, reduce costs and improve space utilization will become an important topic in the structural design of new energy agricultural machinery power batteries.

[0003] At present, the interior of the existing battery box structure is composed of an upper and lower support structure. Battery modules can be installed on each support structure. Although this improves the utilization rate of space, when installed on the vehicle body, the force transmitted from the chassis of the vehicle body is not easy to be decomposed and transmitted to the body of the vehicle body, resulting in poor stability and insufficient overall strength. Utility Model Content

[0004] The purpose of the utility model is to provide a battery box structure in view of the deficiencies in the existing technology, so as to solve the problem that when the existing battery box structure with a double-layer support structure proposed in the background technology is subjected to force, the battery box structure itself is not easy to decompose and transmit the force received, resulting in poor stability of the battery box structure and insufficient overall strength.

[0005] In order to achieve the above object, the utility model provides a battery box structure, which includes:

[0006] Box;

[0007] A layer of structural assembly, wherein the layer of structural assembly is arranged on the inner bottom surface of the box body;

[0008] At least four columns, at least four columns are arranged on the inner peripheral side of the box body, the columns are connected to the inner side wall of the box body, and the bottom ends of the columns are connected to the one-layer structure assembly;

[0009] A two-layer structural assembly is arranged inside the box and connected to the top of the column. Both the one-layer structural assembly and the two-layer structural assembly are used to install battery modules.

[0010] Preferably, the cross section of the column is U-shaped, and both sides of the U-shaped column are bent to form flanges, and the flanges are connected to the inner side walls of the box body.

[0011] Preferably, the one-layer structural assembly comprises:

[0012] Two first cross beams, the two first cross beams are arranged side by side;

[0013] Two first longitudinal beams, one end of the two first longitudinal beams is respectively connected to the two ends of one of the first transverse beams, and the other end of the two first longitudinal beams is respectively connected to the two ends of another first transverse beam.

[0014] At least two middle beams are provided between the two first longitudinal beams, and two ends of the middle beams are respectively connected to the two first transverse beams.

[0015] Preferably, the two-layer structure assembly includes:

[0016] Two second cross beams, the two second cross beams are arranged side by side;

[0017] Two second longitudinal beams, the two second longitudinal beams are spaced apart between the two second transverse beams, and two ends of the second longitudinal beam are respectively connected to the two second transverse beams.

[0018] Preferably, the battery box structure further includes at least four reinforcing tubes, the side walls of the at least four reinforcing tubes are respectively connected to the top ends of at least four columns, and the two-layer structure assembly is connected to the reinforcing tubes.

[0019] Preferably, the battery box structure further includes two mounting beams, the two mounting beams are respectively connected to two sides of the bottom of the box, and the two mounting beams are used to connect to the vehicle body.

[0020] Preferably, the battery box structure further includes at least four hanging brackets, and at least four of the hanging brackets are connected to the outer circumference of the box.

[0021] Preferably, the battery box structure further includes a box cover, and the box cover is connected to the box opening of the box.

[0022] Preferably, a plurality of threaded sleeves are provided in the first-layer structure assembly and the second-layer structure assembly, and the threaded sleeves are used to connect the battery module.

[0023] Preferably, a threaded sleeve is provided in the reinforcing pipe fitting, and the threaded sleeve is used to connect the two-layer structure assembly.

[0024] The utility model provides a battery box structure, which has the beneficial effects of: at least four columns are arranged between the first-layer structure assembly and the second-layer structure assembly of the battery box structure, and the columns are connected to the inner wall of the box, thereby expanding the contact area between the columns and the box, improving the overall rigidity of the battery box structure, and can effectively support other internal components of the battery such as the battery module. At this time, the battery box structure can effectively decompose and transmit the force transmitted from the chassis of the vehicle body to the body of the vehicle, with high stability, and improving the overall strength of the battery box structure.

[0025] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0027] Figure 1 A three-dimensional structural schematic diagram of a battery box structure according to an embodiment of the utility model is shown;

[0028] Figure 2 A partial three-dimensional structural schematic diagram of a battery box structure according to an embodiment of the utility model is shown;

[0029] Figure 3 A schematic diagram of a top view of a battery box structure according to an embodiment of the utility model is shown;

[0030] Figure 4 Shows Figure 3 Schematic diagram of the structure in the AA direction;

[0031] Figure 5 A three-dimensional structural schematic diagram of a two-layer structural assembly of a battery box structure according to an embodiment of the utility model is shown.

[0032] Description of reference numerals:

[0033] 1. Box body; 2. First floor structure assembly; 21. First crossbeam; 22. First longitudinal beam; 23. Middle beam; 3. Column; 4. Second floor structure assembly; 41. Second crossbeam; 42. Second longitudinal beam; 5. Strengthening pipe fittings; 6. Mounting beam; 7. Lifting bracket; 8. Box cover; DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0035] like Figure 1 and Figure 2 As shown, the utility model provides a battery box structure, which includes:

[0036] Box 1;

[0037] A layer of structural assembly 2, wherein the layer of structural assembly 2 is arranged on the inner bottom surface of the box body 1;

[0038] At least four columns 3, at least four columns 3 are arranged on the inner peripheral side of the box body 1, the columns 3 are connected to the inner side wall of the box body 1, and the bottom ends of the columns 3 are connected to a layer of structural assembly 2;

[0039] The second-layer structural assembly 4 is arranged inside the box body 1 and connected to the top of the column 3. The first-layer structural assembly 2 and the second-layer structural assembly 4 are both used to install the battery module.

[0040] Specifically, in order to solve the problem that when the existing battery box structure with a double-layer support structure is subjected to force, the battery box structure itself is not easy to decompose and transmit the force it is subjected to, resulting in poor stability of the battery box structure and insufficient overall strength, the utility model provides a battery box structure, wherein at least four columns 3 are arranged between the first-layer structure assembly 2 and the second-layer structure assembly 4 of the battery box structure, the bottom ends of the columns 3 are welded to the first-layer structure assembly 2, and the columns 3 are welded to the inner wall of the box 1, thereby expanding the contact area between the columns 3 and the box 1, improving the overall rigidity of the battery box structure, and can effectively support other internal components of the battery such as the battery module. At this time, the battery box structure can effectively decompose and transmit the force transmitted from the chassis of the vehicle body to the body of the vehicle, with high stability, thereby improving the overall strength of the battery box structure.

[0041] Preferably, the cross section of the column 3 is U-shaped, and both sides of the U-shaped column 3 are bent to form flanges, and the flanges are connected to the inner wall of the box body 1.

[0042] The column 3 is a U-shaped bent part, and both sides of the U-shaped column 3 are bent to form flanges, which are welded to the inner wall of the box body 1, thereby expanding the connection area between the column 3 and the inner wall of the box body 1, and making the cross-section of the column 3 and the inner wall of the box body 1 form a closed structure, which greatly improves the overall rigidity of the battery box structure and can effectively support other components inside the battery such as the battery module. At this time, the battery box structure can effectively decompose and transmit the force transmitted from the chassis of the vehicle body to the body of the vehicle, with high stability, thereby improving the overall strength of the battery box structure.

[0043] like Figure 3 and Figure 4 As shown, preferably, a layer of structural assembly 2 includes:

[0044] Two first cross beams 21, the two first cross beams 21 are arranged side by side;

[0045] The two first longitudinal beams 22 have one end connected to the two ends of one of the first transverse beams 21 , and the other end connected to the two ends of the other first transverse beam 21 .

[0046] At least two middle beams 23 are disposed between the two first longitudinal beams 22 , and two ends of the middle beam 23 are connected to the two first transverse beams 21 , respectively.

[0047] Specifically, the first cross beam 21, the first longitudinal beam 22 and the middle beam 23 are welded to form a frame structure, and the first cross beam 21, the first longitudinal beam 22 and the middle beam 23 are welded to the box body 1, which can effectively decompose the force transmitted from the chassis of the vehicle body. The end faces of the first cross beam 21, the first longitudinal beam 22 and the middle beam 23 are all U-shaped, and the cross sections of the first cross beam 21, the first longitudinal beam 22 and the middle beam 23 form a closed structure with the inner bottom surface of the box body 1, which can better meet the overall strength and maintain the overall integrity and stability of the battery box structure.

[0048] like Figure 5 As shown, preferably, the two-layer structure assembly 4 includes:

[0049] Two second cross beams 41, the two second cross beams 41 are arranged side by side;

[0050] The two second longitudinal beams 42 are spaced apart between the two second transverse beams 41 , and two ends of the second longitudinal beams 42 are connected to the two second transverse beams 41 respectively.

[0051] Specifically, the second cross beam 41 and the second longitudinal beam 42 are welded to form a frame structure. The second cross beam 41 and the second longitudinal beam 42 are both 30x30 rectangular tubes. The cross section of the rectangular tube is a closed structure, which can better meet the overall strength and maintain the overall integrity and stability of the battery box structure.

[0052] Preferably, the battery box structure further includes at least four reinforcing tubes 5 , the side walls of the at least four reinforcing tubes 5 are respectively connected to the top ends of at least four columns 3 , and the two-layer structure assembly 4 is connected to the reinforcing tubes 5 .

[0053] Specifically, the reinforcing pipe 5 is a 30x30 rectangular pipe.

[0054] Preferably, the battery box structure further includes two mounting beams 6, which are respectively connected to two sides of the bottom of the box 1, and the two mounting beams 6 are used to connect to the vehicle body.

[0055] Specifically, the mounting beam 6 is a 30x30 rectangular tube, and a threaded sleeve is welded inside the mounting beam 6 to meet the connection between the battery box structure and the vehicle body.

[0056] Preferably, the battery box structure further includes at least four hanging brackets 7 , and the at least four hanging brackets 7 are connected to the outer peripheral side of the box 1 .

[0057] Specifically, the hoisting bracket 7 is used to hoist the battery box structure onto a vehicle body or a special tooling.

[0058] Preferably, the battery box structure further includes a box cover 8 , which is connected to the box opening of the box body 1 .

[0059] Specifically, the box cover 8 is a sheet metal bending part, which is connected to the box opening of the box body 1 by bolts. The manufacture of the box cover 8 does not require the development of a mold, and the manufacture is simple and cost-saving.

[0060] Preferably, a plurality of threaded sleeves are provided in the first-layer structure assembly 2 and the second-layer structure assembly 4, and the threaded sleeves are used to connect the battery modules.

[0061] Specifically, multiple threaded sleeves are welded and distributed inside the first-layer structural assembly 2 and the second-layer structural assembly 4. The threaded sleeves serve as installation points and cooperate with fasteners to install the battery module.

[0062] Preferably, a threaded sleeve is provided in the reinforcing pipe 5 , and the threaded sleeve is used to connect the two-layer structure assembly 4 .

[0063] Specifically, the threaded sleeve is welded inside the reinforcing pipe 5 , and the threaded sleeve is used as a mounting point to cooperate with fasteners to mount the two-layer structure assembly 4 .

[0064] In summary, when the battery box structure of the utility model is installed on the vehicle body, the flange of the column 3 is welded to the inner wall of the box body 1, which expands the connection area between the column 3 and the inner wall of the box body 1, and the cross-section of the column 3 and the inner wall of the box body 1 form a closed structure, which greatly improves the overall rigidity of the battery box structure. With the support of the first-layer structure assembly 2 and the second-layer structure assembly 4, it can effectively support other internal components of the battery such as the battery module. At this time, the battery box structure can effectively decompose and transmit the force transmitted from the chassis of the vehicle body to the body of the vehicle, with high stability, which improves the overall strength of the battery box structure. In addition, the frame structure formed by the bending parts and the rectangular tubes not only realizes a low-cost lightweight design, but also realizes full use of space.

[0065] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A battery box structure, characterized in that: The battery box structure includes: Box; A layer of structural assembly, wherein the layer of structural assembly is arranged on the inner bottom surface of the box body; At least four columns, at least four columns are arranged on the inner peripheral side of the box body, the columns are connected to the inner side wall of the box body, and the bottom ends of the columns are connected to the one-layer structure assembly; A two-layer structural assembly is arranged inside the box and connected to the top of the column. Both the one-layer structural assembly and the two-layer structural assembly are used to install battery modules.

2. A battery box structure according to claim 1, characterized in that: The cross section of the column is U-shaped, and both sides of the U-shaped column are bent to form flanges, and the flanges are connected to the inner side walls of the box body.

3. A battery box structure according to claim 1, characterized in that: The one-layer structure assembly comprises: Two first cross beams, the two first cross beams are arranged side by side; Two first longitudinal beams, one end of each of the two first longitudinal beams is connected to two ends of one of the first transverse beams, and the other end of each of the two first longitudinal beams is connected to two ends of another of the first transverse beams; At least two middle beams are provided between the two first longitudinal beams, and two ends of the middle beams are respectively connected to the two first transverse beams.

4. A battery box structure according to claim 1, characterized in that: The two-layer structure assembly comprises: Two second cross beams, the two second cross beams are arranged side by side; Two second longitudinal beams, the two second longitudinal beams are spaced apart between the two second transverse beams, and two ends of the second longitudinal beam are respectively connected to the two second transverse beams.

5. A battery box structure according to claim 1, characterized in that: The battery box structure also includes at least four reinforcing tubes, the side walls of the at least four reinforcing tubes are respectively connected to the top ends of at least four columns, and the two-layer structure assembly is connected to the reinforcing tubes.

6. A battery box structure according to claim 1, characterized in that: The battery box structure also includes two mounting beams, which are respectively connected to two sides of the bottom of the box, and are used to be connected to the vehicle body.

7. A battery box structure according to claim 1, characterized in that: The battery box structure also includes at least four hanging brackets, and at least four of the hanging brackets are connected to the outer peripheral side of the box.

8. A battery box structure according to claim 1, characterized in that: The battery box structure also includes a box cover, which is connected to the box opening of the box.

9. A battery box structure according to claim 1, characterized in that: A plurality of threaded sleeves are provided in the first-layer structure assembly and the second-layer structure assembly, and the threaded sleeves are used to connect the battery module.

10. A battery box structure according to claim 5, characterized in that: A threaded sleeve is arranged inside the reinforcing pipe fitting, and the threaded sleeve is used to connect the two-layer structure assembly.

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