New energy battery frame and welding tool thereof

By designing the new energy battery frame in layers and using welding tooling, the problem of complex battery frame structure was solved, the accuracy of battery installation and the neatness of cable lines were achieved, and the workers' splicing efficiency was improved.

CN223370593UActive Publication Date: 2025-09-23SHIYAN YINLUN AUTO PARTS
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Patent Information

Application Number
CN202423008182.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-09-23
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The battery frame structure of existing new energy vehicles is complex and chaotic, and the installation holes are disorganized, resulting in inaccurate battery installation and unreasonable circuit layout, affecting the cruising range.

Method used

A new energy battery frame is designed with a layered structure and welding tooling, including a bottom frame assembly, a front side frame assembly, a rear side frame assembly, a first middle frame assembly, and a second middle frame assembly. Positioning and fixing plates are used to ensure the accurate position of each component to prevent incorrect installation, and anti-error limit plates are used to reduce the error rate.

Benefits of technology

The accurate positioning of the components of the battery frame is achieved, the batteries are firmly installed and fixed, and the cables are neatly arranged, which improves the workers' splicing efficiency and welding accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new energy battery frame and a welding tool thereof, and relates to the technical field of automobile parts, the new energy battery frame comprises a bottom layer frame assembly, a front side frame assembly and a rear side frame assembly are arranged on the bottom layer frame assembly, and the tops, the left sides and the right sides of the front side frame assembly and the rear side frame assembly are respectively connected through a plurality of connecting rods to form an outer frame; a first middle frame assembly is arranged at the position, close to the upper end, in the outer frame, and a plurality of second middle frame assemblies are arranged between the bottom layer frame assembly and the first middle frame assembly. The bottom layer frame assembly comprises a rectangular frame structure formed by splicing a plurality of first transverse rectangular pipes and a plurality of first longitudinal rectangular pipes, and two oppositely-arranged supporting beams are longitudinally arranged at the bottom of the bottom layer frame assembly. A first support and a second support are arranged on the first transverse rectangular pipe located on the front side, a third support is arranged on the first transverse rectangular pipe located on the rear side, and a fourth support is arranged on the first longitudinal rectangular pipe located on the right side.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a new energy battery frame and a welding tool thereof. Background Art

[0002] With the intensification of global issues such as global warming and energy scarcity, new energy vehicles have become a hot topic in today's society. Research on new energy vehicles offers a solution to the challenges posed by global environmental change. It not only minimizes pollution and improves energy efficiency, but also ensures the sustainable development of society and the sustainable use of the environment.

[0003] Commercial vehicles, essential transportation vehicles, have attracted significant attention in recent years, driven by the rapid development of new energy passenger vehicle technology, resulting in breakthroughs in this area. In recent years, China has stepped up efforts to phase out traditional energy vehicles in order to achieve its dual carbon emissions goals and achieve peak carbon emissions.

[0004] Currently, fuel cells, hydrogen, solar energy, alcohol ether, and other energy sources are widely used in new energy vehicles. Fuel cells, as a common new energy source, store electrical energy in batteries and convert it into mechanical energy to propel the vehicle. Battery capacity determines the range of new energy vehicles. Generally speaking, the more battery packs and the greater the battery capacity, the longer the range. The proper installation and fixation of multiple battery packs, as well as the rational layout of wiring and controllers, are extremely important for new energy commercial vehicles.

[0005] The battery frame is used to hold the battery pack, circuits, controllers and other equipment, and the space is limited. The existing battery frame has a complex and chaotic internal structure, and the installation holes are disorganized. Utility Model Content

[0006] In response to the defects in the existing technology, the purpose of the present invention is to provide a new energy battery frame and its welding tooling, optimize the overall structure of the battery frame and layer it; design welding tooling for each layer, and perform error-proofing treatment on the parts that are not easy to detect; and design positioning for the welded sub-assemblies during assembly to ensure positioning accuracy.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is: a new energy battery frame, including a bottom frame assembly, a front side frame assembly and a rear side frame assembly are provided on the bottom frame assembly, and the top and left and right sides of the front side frame assembly and the rear side frame assembly are respectively connected by a number of connecting rods to form an outer frame; a first middle frame assembly is provided near the upper end inside the outer frame, and a number of second middle frame assemblies are provided between the bottom frame assembly and the first middle frame assembly; the bottom frame assembly includes a rectangular frame structure formed by splicing a number of first transverse rectangular tubes and a number of first longitudinal rectangular tubes, and two oppositely arranged support beams are longitudinally provided at the bottom of the bottom frame assembly; a first bracket and a second bracket are provided on the first transverse rectangular tube located on the front side, a third bracket is provided on the first transverse rectangular tube located on the rear side, and a fourth bracket is provided on the first longitudinal rectangular tube located on the right side.

[0008] A further improvement is that a reinforcement beam is provided on the support beam.

[0009] Further improvements are: the front side frame assembly includes a rectangular frame structure spliced ​​together by several second transverse rectangular tubes and several first vertical rectangular tubes, and a notch is provided in the middle of the lower end of the front side frame assembly, and the notch is provided with several first diagonal rods, and second diagonal rods are respectively provided on both sides of the lower end of the front side frame assembly package; the second transverse rectangular tube and the second diagonal rod are respectively provided with a fifth bracket, the second transverse rectangular tube on the left is provided with a sixth bracket, and the second transverse rectangular tube on the right is provided with a seventh bracket.

[0010] A further improvement is that a first cross beam is provided in the middle of the front side frame assembly.

[0011] Further improvements are: the rear side frame assembly includes a rectangular frame structure formed by splicing a plurality of third transverse rectangular tubes and a plurality of second vertical rectangular tubes, and third diagonal rods are respectively provided on both sides of the lower end of the front side frame assembly package; the third transverse rectangular tube and the third diagonal rod are respectively provided with an eighth bracket, the third transverse rectangular tube is provided with a pad, the third transverse rectangular tube located in the lower middle part is provided with a ninth bracket, the third transverse rectangular tube located on the left side is provided with a tenth bracket, and the third transverse rectangular tube located on the right side is provided with an eleventh bracket.

[0012] A further improvement is that a second cross beam is provided in the middle of the rear side frame assembly.

[0013] A further improvement is that the first middle frame assembly includes a rectangular frame structure formed by splicing a plurality of fourth transverse rectangular tubes and a plurality of second longitudinal rectangular tubes, and the fourth transverse rectangular tubes located on the front side are provided with a staggered portion.

[0014] Further improvements are that: the second middle frame assembly includes a rectangular frame structure composed of several fifth transverse rectangular tubes and several third longitudinal rectangular tubes, and a twelfth bracket is provided at the left end of the fifth transverse rectangular tube located on the front side, and a thirteenth bracket is provided at the right end of the fifth transverse rectangular tube located on the front side.

[0015] The utility model also provides a welding tool for the above-mentioned new energy battery frame, including a base plate, on which are provided a number of positioning clips, fixing clips and anti-error limit plates that are compatible with the bottom frame assembly, the front side frame assembly, the rear side frame assembly, the first middle frame assembly or the second middle frame assembly.

[0016] Further improvements are that the positioning card plate and the anti-error limit plate are both plate-shaped structures, and the positioning card plate is provided with a first card slot that is compatible with the rectangular tube, the fixed card plate is N-shaped structure, and the top of the fixed card plate is provided with a second card slot that is compatible with the bracket.

[0017] The beneficial effects of the present invention are:

[0018] 1. The utility model ensures that the positions of the rectangular tubes, brackets and holes of the battery frame are accurate, ensuring that the fixing holes are accurate and firmly fixed when the battery is installed, and the cables are neat and orderly.

[0019] 2. The utility model improves the efficiency of workers in splicing. There are many types of rectangular tubes and brackets, and the welding tooling is clearly positioned. Even if workers do not need to refer to technical information during assembly, there will be no mistakes or omissions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional diagram of the new energy battery frame in the embodiment of the present utility model;

[0021] Figure 2 This is a three-dimensional diagram from the other side of the new energy battery frame in the embodiment of the present utility model;

[0022] Figure 3 This is a front view of the new energy battery frame in the embodiment of the present utility model;

[0023] Figure 4 This is a rear view of the new energy battery frame in the embodiment of the present utility model;

[0024] Figure 5 This is a side view of the new energy battery frame in the embodiment of the present utility model;

[0025] Figure 6 This is a top view of the new energy battery frame in the embodiment of the present utility model;

[0026] Figure 7 This is a bottom view of the new energy battery frame in the embodiment of the present utility model;

[0027] Figure 8 This is a three-dimensional diagram of the bottom frame assembly in an embodiment of the present utility model;

[0028] Figure 9 This is a top view of the bottom frame assembly in an embodiment of the present utility model;

[0029] Figure 10 This is a bottom view of the bottom frame assembly in the embodiment of the present utility model;

[0030] Figure 11 This is a perspective view of the front side frame assembly in an embodiment of the present utility model;

[0031] Figure 12 A perspective view of the front side frame assembly from another side in an embodiment of the present invention;

[0032] Figure 13 This is a front view of the front side frame assembly in an embodiment of the present utility model;

[0033] Figure 14 This is a perspective view of the rear side frame assembly in an embodiment of the present utility model;

[0034] Figure 15 A three-dimensional view of the rear side frame assembly from another side in an embodiment of the present invention;

[0035] Figure 16 This is a front view of the rear side frame assembly in an embodiment of the present utility model;

[0036] Figure 17 This is a three-dimensional diagram of the first middle frame assembly in an embodiment of the present utility model;

[0037] Figure 18 This is a three-dimensional view of the first middle frame assembly from another side in an embodiment of the present invention;

[0038] Figure 19 This is a perspective view of the second middle frame assembly in an embodiment of the present utility model;

[0039] Figure 20 This is a three-dimensional view of the second middle frame assembly from another side in an embodiment of the present invention;

[0040] Figure 21 This is a three-dimensional diagram of the welding tooling used for the front side frame assembly in an embodiment of the present utility model;

[0041] Figure 22 This is a schematic diagram of the working of the welding tool used for the front side frame assembly in an embodiment of the present utility model;

[0042] Figure 23 This is a three-dimensional diagram of the welding tooling used for the bottom frame assembly in the embodiment of the present utility model;

[0043] Figure 24 This is a working diagram of a welding tool for a bottom frame assembly in an embodiment of the present utility model;

[0044] Figure 25 This is a three-dimensional diagram of a positioning card plate in an embodiment of the present utility model;

[0045] Figure 26 This is a three-dimensional diagram of a fixed card plate in an embodiment of the present utility model;

[0046] Figure 27 It is a three-dimensional diagram of the anti-misalignment limit plate in the embodiment of the present utility model.

[0047] Reference numerals:

[0048] 1- bottom frame assembly; 11- first longitudinal rectangular tube; 12- first transverse rectangular tube; 13- support beam; 14- reinforcement beam; 15- first bracket; 16- second bracket; 17- third bracket; 18- fourth bracket;

[0049] 2 - front side frame assembly; 21 - second transverse rectangular tube; 22 - first vertical rectangular tube; 23 - notch; 24 - first diagonal bar; 25 - second diagonal bar; 26 - first cross beam; 27 - fifth bracket; 28 - sixth bracket; 29 - seventh bracket;

[0050] 3 - rear side frame assembly; 31 - third horizontal rectangular tube; 32 - second vertical rectangular tube; 33 - second cross beam; 34 - third diagonal rod; 35 - eighth bracket; 36 - spacer; 37 - ninth bracket; 38 - tenth bracket; 39 - eleventh bracket;

[0051] 4-connecting rod;

[0052] 5-first middle frame assembly; 51-fourth transverse rectangular tube; 52-second longitudinal rectangular tube; 53-interlaced portion;

[0053] 6 - second middle frame assembly; 61 - fifth transverse rectangular tube; 62 - third longitudinal rectangular tube; 63 - twelfth bracket; 64 - thirteenth bracket;

[0054] 7-base plate; 71-positioning card plate; 72-fixing card plate; 73-anti-error limit plate; 74-first card slot; 75-second card slot. DETAILED DESCRIPTION

[0055] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0056] In the description of the present invention, it should be noted that directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present invention.

[0057] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Therefore, the terms "first" and "second" may explicitly or implicitly refer to one or more of these features. In the description of this utility model, "several" and "a number" mean two or more, unless otherwise specifically defined.

[0058] The following description of the embodiments of the present invention is provided in conjunction with the accompanying drawings to further describe the specific embodiments of the present invention so that the technical solutions and beneficial effects of the present invention are more clearly understood. The following description of the embodiments with reference to the accompanying drawings is for illustrative purposes only and is intended to explain the present invention, but is not to be construed as limiting the present invention.

[0059] See also Figures 1 to 7 As shown, the embodiment of the present invention provides a new energy battery frame, including a bottom frame assembly 1, on which a front side frame assembly 2 and a rear side frame assembly 3 are arranged, and the top and left and right sides of the front side frame assembly 2 and the rear side frame assembly 3 are respectively connected by a plurality of connecting rods 4 to form an outer frame; a first intermediate frame assembly 5 is arranged near the upper end of the outer frame, and a plurality of second intermediate frame assemblies 6 are arranged between the bottom frame assembly 1 and the first intermediate frame assembly 5;

[0060] See also Figures 8 to 10 As shown, the bottom frame assembly 1 comprises a rectangular frame structure composed of a plurality of first transverse rectangular tubes 12 and a plurality of first longitudinal rectangular tubes 11. Two opposing support beams 13 are longitudinally disposed at the bottom of the bottom frame assembly 1. A first bracket 15 and a second bracket 16 are disposed on the front first transverse rectangular tube 12, a third bracket 17 is disposed on the rear first transverse rectangular tube 12, and a fourth bracket 18 is disposed on the right first longitudinal rectangular tube 11. Specifically, a reinforcing beam 14 is disposed on the support beam 13.

[0061] See also Figures 11 to 13As shown, the front side frame assembly 2 comprises a rectangular frame structure formed by a plurality of second transverse rectangular tubes 21 and a plurality of first vertical rectangular tubes 22. A notch 23 is provided in the middle of the lower end of the front side frame assembly 2, and a plurality of first diagonal bars 24 are provided in the notch 23. Second diagonal bars 25 are provided on either side of the lower end of the front side frame assembly 2. A fifth bracket 27 is provided on each of the second transverse rectangular tubes 21 and the second diagonal bars 25. The second transverse rectangular tube 21 on the left side is provided with a sixth bracket 28, and the second transverse rectangular tube 21 on the right side is provided with a seventh bracket 29. Specifically, a first cross beam 26 is provided in the middle of the front side frame assembly 2.

[0062] See also Figures 14 to 16 As shown, the rear side frame assembly 3 comprises a rectangular frame structure composed of a plurality of third transverse rectangular tubes 31 and a plurality of second vertical rectangular tubes 32. Third diagonal bars 34 are provided on both sides of the lower end of the front side frame assembly 2. Eighth brackets 35 are provided on each of the third transverse rectangular tubes 31 and the third diagonal bars 34. A spacer 36 is provided on each of the third transverse rectangular tubes 31. A ninth bracket 37 is provided on the lower-center third transverse rectangular tube 31. A tenth bracket 38 is provided on the left third transverse rectangular tube 31. An eleventh bracket 39 is provided on the right third transverse rectangular tube 31. Specifically, a second cross beam 33 is provided in the middle of the rear side frame assembly 3.

[0063] See also Figure 17-18 As shown, the first middle frame assembly 5 includes a rectangular frame structure formed by splicing a plurality of fourth transverse rectangular tubes 51 and a plurality of second longitudinal rectangular tubes 52 , and the fourth transverse rectangular tubes 51 located at the front side are provided with a staggered portion 53 .

[0064] See also Figures 19 and 20 As shown, the second middle frame assembly 6 includes a rectangular frame structure formed by splicing a plurality of fifth transverse rectangular tubes 61 and a plurality of third longitudinal rectangular tubes 62, and a twelfth bracket 63 is provided at the left end of the fifth transverse rectangular tube 61 located on the front side, and a thirteenth bracket 64 is provided at the right end of the fifth transverse rectangular tube 61 located on the front side.

[0065] See also Figures 21 to 27 As shown, the embodiment of the present invention also provides a welding tool for the above-mentioned new energy battery frame, including a base plate 7, on which are provided a plurality of positioning clips 71, fixed clips 72, and anti-misalignment limit plates 73 that are compatible with the bottom frame assembly 1, the front side frame assembly 2, the rear side frame assembly 3, the first middle frame assembly 5, or the second middle frame assembly 6. Specifically, the positioning clips 71 and the anti-misalignment limit plates 73 are both plate-shaped structures, and the positioning clips 71 are provided with a first slot 74 that is compatible with the rectangular tube. The fixed clips 72 are N-shaped structures, and the top of the fixed clips is provided with a second slot that is compatible with the bracket.

[0066] This new welding fixture is used for battery frames in new energy commercial vehicles. Positioning plates ensure the precise positioning of each rectangular tube, and the misalignment prevention effectively reduces the error rate. During the welding process, the fixture facilitates assembly and welding of the weldment, ensuring the required structural precision of the weldment, significantly improving work efficiency. After the subassemblies are welded, positioning plates with holes are used for tailored welding.

[0067] In the description of the specification, reference to the terms "one embodiment," "preferably," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. The schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples.

[0068] Through the description of the above structure and principle, technical personnel in the relevant technical field should understand that the present invention is not limited to the above specific implementation methods, and improvements and substitutions based on the present invention using the well-known technology in the field all fall within the scope of protection of the present invention and should be defined by the claims.

Claims

1. A new energy battery frame, comprising a bottom frame assembly (1), characterized in that: The bottom frame assembly (1) is provided with a front side frame assembly (2) and a rear side frame assembly (3), and the top and left and right sides of the front side frame assembly (2) and the rear side frame assembly (3) are connected by a plurality of connecting rods (4) to form an outer frame; a first intermediate frame assembly (5) is provided near the upper end of the inner portion of the outer frame, and a plurality of second intermediate frame assemblies (6) are provided between the bottom frame assembly (1) and the first intermediate frame assembly (5); The bottom frame assembly (1) comprises a rectangular frame structure formed by splicing a plurality of first transverse rectangular tubes (12) and a plurality of first longitudinal rectangular tubes (11), and two oppositely arranged support beams (13) are longitudinally arranged at the bottom of the bottom frame assembly (1); a first bracket (15) and a second bracket (16) are arranged on the first transverse rectangular tube (12) located at the front side, a third bracket (17) is arranged on the first transverse rectangular tube (12) located at the rear side, and a fourth bracket (18) is arranged on the first longitudinal rectangular tube (11) located at the right side.

2. The new energy battery frame according to claim 1, characterized in that: A reinforcing beam (14) is provided on the support beam (13).

3. The new energy battery frame according to claim 1, characterized in that: The front side frame assembly (2) comprises a rectangular frame structure formed by splicing a plurality of second transverse rectangular tubes (21) and a plurality of first vertical rectangular tubes (22), and a notch portion (23) is provided in the middle of the lower end of the front side frame assembly (2), and a plurality of first oblique rods (24) are provided in the notch portion (23), and second oblique rods (25) are respectively provided on both sides of the lower end of the front side frame assembly (2); the second transverse rectangular tube (21) and the second oblique rod (25) are respectively provided with a fifth bracket (27), the second transverse rectangular tube (21) located on the left side is provided with a sixth bracket (28), and the second transverse rectangular tube (21) located on the right side is provided with a seventh bracket (29).

4. The new energy battery frame according to claim 3, characterized in that: A first cross beam (26) is provided in the middle of the front side frame assembly (2).

5. The new energy battery frame according to claim 1, characterized in that: The rear side frame assembly (3) comprises a rectangular frame structure formed by splicing a plurality of third transverse rectangular tubes (31) and a plurality of second vertical rectangular tubes (32), and the lower ends of the front side frame assembly (2) are respectively provided with third diagonal rods (34); the third transverse rectangular tube (31) and the third diagonal rod (34) are respectively provided with an eighth bracket (35), the third transverse rectangular tube (31) is provided with a cushion block (36), the third transverse rectangular tube (31) located in the lower middle portion is provided with a ninth bracket (37), the third transverse rectangular tube (31) located on the left side is provided with a tenth bracket (38), and the third transverse rectangular tube (31) located on the right side is provided with an eleventh bracket (39).

6. The new energy battery frame according to claim 1, characterized in that: A second cross beam (33) is provided in the middle of the rear side frame assembly (3).

7. The new energy battery frame according to claim 1, characterized in that: The first middle frame assembly (5) comprises a rectangular frame structure formed by splicing a plurality of fourth transverse rectangular tubes (51) and a plurality of second longitudinal rectangular tubes (52), and the fourth transverse rectangular tube (51) located at the front side is provided with a staggered portion (53).

8. The new energy battery frame according to claim 1, characterized in that: The second middle frame assembly (6) comprises a rectangular frame structure formed by splicing a plurality of fifth transverse rectangular tubes (61) and a plurality of third longitudinal rectangular tubes (62), and a twelfth bracket (63) is provided at the left end of the fifth transverse rectangular tube (61) located at the front side, and a thirteenth bracket (64) is provided at the right end of the fifth transverse rectangular tube (61) located at the front side.

9. A welding tool for the new energy battery frame according to any one of claims 1 to 8, comprising a bottom plate (7), characterized in that: The bottom plate (7) is provided with a plurality of positioning clamping plates (71), fixing clamping plates (72) and anti-error limiting plates (73) that are compatible with the bottom frame assembly (1), the front side frame assembly (2), the rear side frame assembly (3), the first middle frame assembly (5) or the second middle frame assembly (6).

10. The welding tool according to claim 9, characterized in that: The positioning card plate (71) and the anti-misalignment limit plate (73) are both plate-shaped structures, and the positioning card plate (71) is provided with a first card slot (74) adapted to the rectangular tube. The fixed card plate (72) is an N-shaped structure, and the top of the fixed card plate (72) is provided with a second card slot (75) adapted to the bracket.