Double-layer module battery box body with integrated structure

Abstract

The utility model discloses an integrated structure double-layer module battery box body which comprises a box body with a square structure, vertical mounting bottom plates which are uniformly distributed in parallel are arranged at the bottom layer in the box body, and transverse bottom ribs are arranged between the vertical mounting bottom plates; a supporting beam is arranged on the vertical mounting bottom plate, and a two-layer plate mounting beam is arranged on the supporting beam; a vertical threading support and a transverse threading support are arranged on the width side face in the box body, and an all-in-one machine installation support and a plurality of wire binding buckles are arranged on the length side face in the box body. A mounting filler block is arranged on the outer side face of the box body, and a hanging lug is arranged on the edge of the mounting filler block; a supporting base is further arranged at the bottom of the box body. The lithium battery electric box has the characteristics of compact structure, high internal circuit integration degree, high double-layer module placement stability, good sealing waterproof performance and the like, and can be widely applied to the technical field of lithium battery electric boxes for electric engineering vehicles.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery module boxes, and in particular relates to an integrated structure double-layer module battery box. Background Art

[0002] With the continuous development of lithium battery technology, the application of electric engineering vehicles driven by lithium batteries has also developed rapidly. Their market sales and ownership have increased rapidly year by year, and they are gradually replacing internal combustion forklifts. Especially in the application field of small-tonnage engineering vehicles, lithium batteries are increasingly favored by manufacturers and the market because of their high storage energy density, very low self-discharge rate, strong adaptability to high and low temperatures, and green environmental protection.

[0003] At present, the lithium battery modules used in existing electric engineering vehicles need to be placed separately in an electric box. However, the electric boxes used in existing lithium batteries are mostly welded by splicing steel plates, with a relatively simple overall structure and a lack of internal line connection devices. The integration degree of the double-layer module is low. Therefore, the existing double-layer module battery box structure needs to be further improved. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide an integrated structure double-layer module battery box, which has the characteristics of compact structure, high internal circuit integration, high double-layer module placement stability, and good sealing and waterproof properties, and can be widely used in the technical field of lithium battery boxes for electric engineering vehicles.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an integrated structure double-layer module battery box, including a square structure box, the bottom layer inside the box is provided with evenly distributed parallel vertical mounting base plates, and horizontal bottom ribs are provided between the vertical mounting base plates; a support beam is provided on the vertical mounting base plate, and a second-layer plate mounting beam is provided on the support beam; a vertical threading bracket and a horizontal threading bracket are provided on the width side of the box, and an all-in-one mounting bracket and a plurality of wire buckles are provided on the length side; a mounting liner is provided on the outer side of the box, and a hanging ear is provided on the edge of the mounting liner; a support base is also provided at the bottom of the box.

[0006] As an improvement, the vertical installation base plates protrude from the bottom surface of the box body and are distributed at equal intervals.

[0007] As an improvement, the vertical installation base plate protrudes from the box body by a height of 16 to 24 mm, and the vertical installation base plate is provided with multiple rows of evenly distributed bolt holes to facilitate the fixation of the bottom module.

[0008] As an improvement, the support beams are arranged on both sides of the inner length direction of the box body, and 3 to 5 support beams are arranged at equal intervals on one side.

[0009] As an improvement, the second-layer plate mounting beam is provided with bolt holes, which can facilitate fixing the second-layer mounting base plate after the bottom-layer battery module is fixed, and placing the second-layer battery module on the second-layer mounting base plate.

[0010] As an improvement, two parallel vertical threading brackets are provided, and a horizontal threading bracket is provided between the two vertical threading brackets.

[0011] As an improvement, the vertical threading bracket and the horizontal threading bracket are fixed to the inner width side surface of the box body by welding.

[0012] As an improvement, the integrated machine mounting bracket is a U-shaped slot structure and is vertically fixed on the inner length side of the box body.

[0013] As an improvement, the cable tie buckles are arranged in both the transverse and longitudinal directions inside the box.

[0014] As an improvement, the installation pad is of a square structure, and two are provided in parallel on a single surface.

[0015] As an improvement, the hanging ears are of H-shaped structure, with four being provided in total, and are fixed to the side edges of the box body by full welding.

[0016] As an improvement, the four side panels and the bottom panel of the box body adopt a fully welded connection structure, and the inner surface is provided with a waterproof coating; the four sides of the top of the box body are also provided with an upper cover connecting plate, and the upper cover connecting plate is provided with evenly distributed circular holes.

[0017] The beneficial effects of the utility model are: an integrated structure double-layer module battery box, which has the characteristics of compact structure, high internal circuit integration, high double-layer module placement stability and good sealing and waterproof properties. By adopting an integrated structure inside the battery box, arranging a threading bracket, an all-in-one installation bracket, a number of wire buckles and other structures, the complex circuit connection of the dual battery module is effectively integrated, making the electric box as a whole neat and beautiful; by arranging a protruding vertical installation base plate at the bottom of the box and by arranging horizontal bottom ribs, the support stability of the bottom module is effectively improved; by adopting an open support beam and a second-layer plate installation beam structure, the second-layer installation base plate can be laid after the bottom module is installed to install the dual module, thereby avoiding installation interference and improving installation efficiency; in addition, by adopting a full-welded structure of the box and applying a waterproof coating, the waterproof sealing performance of the box is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the integrated double-layer module battery box structure of the utility model;

[0019] Figure 2 This is the front view of the integrated structure double-layer module battery box of the utility model;

[0020] Figure 3 It is a top view of the integrated structure double-layer module battery box of the utility model.

[0021] In the figure: 1. Box body; 2. Vertical mounting base plate; 3. Horizontal bottom rib; 4. Support beam; 5. Second-layer board mounting beam; 6. Vertical threading bracket; 7. Horizontal threading bracket; 8. All-in-one machine mounting bracket; 9. Wire buckle; 10. Mounting pad; 11. Hanging ear; 12. Support base; 13. Bolt hole; 14. Stud; 15. Upper cover connecting plate; 16. Round hole. DETAILED DESCRIPTION

[0022] Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.

[0023] like Figure 1-3 As shown, an integrated structure double-layer module battery box of the present embodiment comprises a box 1 of a square structure, the bottom layer inside the box 1 is provided with evenly distributed parallel vertical mounting base plates 2, and horizontal bottom ribs 3 are provided between the vertical mounting base plates 2; a support beam 4 is provided on the vertical mounting base plate 2, and a second-layer plate mounting beam 5 is provided on the support beam 4; a vertical threading bracket 6 and a horizontal threading bracket 7 are provided on the width side of the inside of the box 1, and an all-in-one mounting bracket 8 and a plurality of wire buckles 9 are provided on the length side; a mounting pad 10 is provided on the outer side of the box 1, and a hanging ear 11 is provided on the edge of the mounting pad 10; a support base 12 is also provided at the bottom of the box 1, and specifically, the support base 12 is a long strip structure, with a total of 4 to 8 strips, and distributed at equal intervals.

[0024] Furthermore, the vertical mounting base plate 2 protrudes from the bottom surface of the box body and is distributed at equal intervals; specifically, the vertical mounting base plate 2 protrudes from the box body by a height of 16~24mm, preferably 20~22mm, and the vertical mounting base plate 2 is provided with multiple rows of evenly distributed bolt holes 13, through which the bottom module is conveniently fixed; more specifically, the bolt holes 13 are provided with two in a row, and the size is M8~M10mm.

[0025] Furthermore, the support beams 4 are arranged on both sides of the inner length direction of the box body 1, and 3 to 5 beams, preferably 3 beams, are arranged at equal intervals on one side; specifically, the support beams 4 are high-strength square steel and are fixed at the middle positions of the two ends of the vertical mounting base plate 2 by welding.

[0026] Furthermore, the second-layer plate mounting beam 5 is provided with bolt holes, and after the bottom battery module is fixed, the second-layer mounting base plate can be conveniently fixed through the bolt holes, and the second-layer battery module can be placed on the second-layer mounting base plate.

[0027] Furthermore, the vertical threading bracket 6 is provided with two parallel ones, and a horizontal threading bracket 7 is provided between the two vertical threading brackets 6; specifically, the vertical threading bracket 6 and the horizontal threading bracket 7 are fixed on the inner width side of the box body 1 by welding, and a number of circular holes are evenly distributed on the vertical threading bracket 6 and the horizontal threading bracket 7, so as to facilitate the partitioning and fixing of the cables; more specifically, the vertical threading bracket 6 is provided with a stud 14, and the size of the stud 14 is M6~M8mm.

[0028] Furthermore, the integrated machine mounting bracket 8 is a U-shaped slot structure and is vertically fixed on the inner length side of the box body 1; specifically, two integrated machine mounting brackets 8 are provided on a single side and are arranged vertically in parallel.

[0029] Furthermore, the cable ties 9 are arranged in both the transverse and longitudinal directions inside the box 1, so as to facilitate neat arrangement of cables along the side of the box from different directions.

[0030] Furthermore, the mounting pad 10 is a square structure, and two are provided in parallel on a single surface; specifically, four bolt holes are provided on the mounting pad 10, so as to facilitate the installation and positioning of the battery box inside the engineering vehicle and avoid displacement of the battery box.

[0031] Furthermore, the hanging ears 11 are of H-shaped structure, with four in total, and are fixed to the side edges of the box body 1 by full welding; specifically, the hanging ears 11 are distributed at the same height, and the hooks are of a downward L-shaped structure, so as to facilitate lifting.

[0032] Furthermore, the four side panels and the bottom plate of the box body 1 adopt a full-weld connection structure, and the inner surface is provided with a waterproof coating; the top four sides of the box body 1 are also provided with an upper cover connecting plate 15, and the upper cover connecting plate 15 is provided with evenly distributed circular holes 16, and the circular holes 16 are countersunk holes, which can play a sealing connection role with the upper cover; specifically, the waterproof coating is electrophoretic spray-coated, with a thickness of 50μm~100μm, which plays a good anti-rust and anti-corrosion role, thereby extending the service life of the electrical box.

[0033] Finally, it should be noted that the above examples are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above examples, and there are many variations. All variations that can be directly derived or associated with the content disclosed by a person skilled in the art from the present invention should be considered as the protection scope of the present invention.

Claims

1. An integrated structure double-layer module battery box, comprising a box (1) of square structure, characterized in that: The bottom layer of the box body (1) is provided with evenly distributed parallel vertical installation bottom plates (2), and transverse bottom ribs (3) are provided between the vertical installation bottom plates (2); a support beam (4) is provided on the vertical installation bottom plates (2), and a second-layer plate installation beam (5) is provided on the support beam (4); a vertical threading bracket (6) and a transverse threading bracket (7) are provided on the width side of the box body (1), and an integrated machine installation bracket (8) and a plurality of wire buckles (9) are provided on the length side; a mounting pad (10) is provided on the outer side of the box body (1), and a hanging ear (11) is provided on the side of the mounting pad (10); and a support base (12) is also provided at the bottom of the box body (1).

2. The integrated structure double-layer module battery box according to claim 1 is characterized in that: The vertical installation base plates (2) protrude from the bottom surface of the box body and are distributed at equal intervals.

3. The integrated structure double-layer module battery box according to claim 2 is characterized in that: The vertical installation base plate (2) protrudes from the box body by a height of 16 to 24 mm, and the vertical installation base plate (2) is provided with multiple rows of bolt holes (13) that are evenly distributed.

4. The integrated structure double-layer module battery box according to claim 1, characterized in that: The support beams (4) are arranged on both sides of the interior of the box body (1) in the longitudinal direction, and 3 to 5 support beams are arranged at equal intervals on one side.

5. The integrated structure double-layer module battery box according to claim 1, characterized in that: The vertical threading brackets (6) are provided in parallel with two of them, and a horizontal threading bracket (7) is provided between the two vertical threading brackets (6).

6. The integrated structure double-layer module battery box according to claim 5, characterized in that: The vertical threading bracket (6) and the horizontal threading bracket (7) are fixed on the inner width side surface of the box body (1) by welding.

7. The integrated structure double-layer module battery box according to claim 1, characterized in that: The integrated machine mounting bracket (8) is a U-shaped slot structure and is vertically fixed on the inner length side of the box body (1).

8. The integrated structure double-layer module battery box according to claim 1, characterized in that: The cable tie buckles (9) are arranged in both the transverse and longitudinal directions inside the box.

9. The integrated structure double-layer module battery box according to claim 1, characterized in that: The mounting pad (10) is of a square structure, and two are provided in parallel on a single surface; the hanging ears (11) are of an H-shaped structure, and are provided with four in total, and are fixed to the side edge of the box body (1) by full welding.

10. The integrated structure double-layer module battery box according to claim 1, characterized in that: The four side panels and the bottom panel of the box body (1) adopt a fully welded connection structure, and the inner surface is provided with a waterproof coating; the top four sides of the box body (1) are also provided with an upper cover connecting plate (15), and the upper cover connecting plate (15) is provided with evenly distributed circular holes (16).

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