Battery box shell

Abstract

The utility model discloses a battery box shell which is provided with a first side frame, a second side frame, a front frame and a rear frame which are independently arranged, and the first side frame, the second side frame, the front frame and the rear frame are mutually welded to form a box frame; the upper supporting plate is connected with the upper ends of the first side frame, the second side frame, the front frame and the rear frame; and the liquid cooling plate is connected with the lower ends of the first side frame, the second side frame, the front frame and the rear frame. The periphery can be spliced to form a frame structure, and then the frame structure is connected with the liquid cooling plate, so that the process route is flexible, and the manufacturing process is simple.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery boxes, and in particular relates to a battery box shell. Background Art

[0002] In the process of implementing the utility model, the inventor found that the prior art has at least the following problems:

[0003] The traditional battery box shell is an integrated molding structure with a complex molding process. When the shell is damaged, the shell needs to be replaced as a whole, which is costly and has poor versatility.

[0004] CN207250603U-Battery box shell, battery box and battery box assembly, discloses a battery box shell, battery box and battery box assembly. The battery box shell includes: an upper shell, which is integrally formed and has an upper opening and an upper flange, and the upper flange is arranged around the upper opening; a lower shell, which is integrally formed and has a lower opening and a lower flange, and the lower flange is arranged around the lower opening; a surface shell, which is connected to the lower shell and is arranged on one side of the lower shell, and a receiving space is formed between the surface shell and the lower shell, and the receiving space is used to receive a locking device; wherein the upper opening is opposite to the lower opening, and the upper flange is fixedly connected to the lower flange. The above technical problems cannot be solved either. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a battery box shell, which can be spliced ​​around the four sides to form a frame structure with four surrounding frames, and then connected to the liquid cooling plate, with flexible process route and simple manufacturing process.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a battery box shell having:

[0007] A first side frame, a second side frame, a front frame and a rear frame are independently arranged, and the first side frame, the second side frame, the front frame and the rear frame are welded to each other to form a box frame;

[0008] An upper support plate connected to the upper ends of the first side frame, the second side frame, the front frame and the rear frame;

[0009] The liquid cooling plate is connected to the lower ends of the first side frame, the second side frame, the front frame and the rear frame.

[0010] The bottoms of the first side frame, the second side frame, the front frame and the rear frame are provided with cross beams, and adjacent cross beams are welded.

[0011] The tops of the first side frame, the second side frame, the front frame and the rear frame are provided with upper flanges; the outer periphery of the upper support plate is provided with side plates, and the side plates are connected to the upper flanges.

[0012] A series of through holes are arranged on the upper flange and the side plate, and the upper flange and the side plate are connected through the through holes and bolts.

[0013] A reinforcing beam is also provided at the bottom of the front frame.

[0014] The liquid cooling plate is welded to the lower ends of the first side frame, the second side frame, the front frame and the rear frame.

[0015] One of the above technical solutions has the following advantages or beneficial effects: the surrounding frames can be spliced ​​around to form a frame structure, and then connected to the liquid cooling plate. The process route is flexible and the manufacturing process is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the battery box housing provided in an embodiment of the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of a battery box housing;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of a battery box housing;

[0019] The marks in the above figures are: 2, liquid cooling plate, 31, first side frame, 32, second side frame, 33, front frame, 34, rear frame, 35, upper flange, 37, cross beam, 38, reinforcement beam, 61, upper support plate, 615, side plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 3 , a battery box housing, comprising:

[0022] The first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34 are independently arranged, and the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34 are welded to each other to form a box frame; the upper support plate 61 is connected to the upper ends of the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34; the liquid cooling plate 2 is connected to the lower ends of the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34. The surrounding splicing can first form a frame structure with surrounding frames, and then connect with the liquid cooling plate 2, with flexible process routes and simple manufacturing process.

[0023] The bottoms of the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34 are provided with cross beams 37, and adjacent cross beams 37 are welded to each other. The cross beams 37 play a reinforcing role.

[0024] The tops of the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34 are provided with upper flanges 35; the outer periphery of the upper support plate 61 is provided with side plates 615, and the side plates 615 are connected to the upper flanges 35. The upper flanges 35 and the side plates 615 facilitate the connection of the upper support plate 61 with the first side frame 31, the second side frame 32, the front frame 33 and the rear frame 34.

[0025] A series of through holes are provided on the upper flange 35 and the side plate 615, and the upper flange 35 and the side plate 615 are connected through the through holes and bolts. The connection is stable and reliable, and it is easy to disassemble.

[0026] A reinforcing beam 38 is also provided at the bottom of the front frame 33 to play a reinforcing role.

[0027] The liquid cooling plate 2 is welded to the lower ends of the first side frame 31 , the second side frame 32 , the front frame 33 and the rear frame 34 , and the connection is stable and reliable.

[0028] The box body is in the form of an aluminum profile frame + liquid cooling plate 2 combination. The box body is mainly composed of surrounding frames, liquid cooling plate 2 and bottom reinforcement support plate (3 pieces in total). The liquid cooling plate 2 and the frame are connected by welding. The frame is divided into four aluminum profile splicing structures, front, back, left and rear. The frame adopts embedded mortise and tenon + welding at the four corners. This type of assembly structure has high relative position matching accuracy and high structural strength of the frame.

[0029] advantage:

[0030] 1. The four sides are spliced ​​with profiles, with high positioning accuracy, which is convenient for welding positioning;

[0031] 2. The surrounding frames can be used to form a frame structure, and then connected to the liquid cooling plate, with flexible process routes;

[0032] 3. The form of splicing all around has high structural strength and good load-bearing capacity in the X / Y / Z axes.

[0033] After adopting the above structure, the surrounding frames can be spliced ​​around to form a frame structure, and then connected to the liquid cooling plate. The process route is flexible and the manufacturing process is simple.

[0034] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery box housing, characterized in that: have: A first side frame, a second side frame, a front frame and a rear frame are independently arranged, and the first side frame, the second side frame, the front frame and the rear frame are welded to each other to form a box frame; An upper support plate connected to the upper ends of the first side frame, the second side frame, the front frame and the rear frame; The liquid cooling plate is connected to the lower ends of the first side frame, the second side frame, the front frame and the rear frame.

2. The battery box housing according to claim 1, characterized in that: The bottoms of the first side frame, the second side frame, the front frame and the rear frame are provided with cross beams, and adjacent cross beams are welded.

3. The battery box housing according to claim 2, characterized in that: The tops of the first side frame, the second side frame, the front frame and the rear frame are provided with upper flanges; the outer periphery of the upper support plate is provided with side plates, and the side plates are connected to the upper flanges.

4. The battery box housing according to claim 3, characterized in that: A series of through holes are arranged on the upper flange and the side plate, and the upper flange and the side plate are connected through the through holes and bolts.

5. The battery box housing according to claim 4, characterized in that: A reinforcing beam is also provided at the bottom of the front frame.

6. The battery box housing according to claim 5, characterized in that: The liquid cooling plate is welded to the lower ends of the first side frame, the second side frame, the front frame and the rear frame.

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