Sealed shockproof storage battery pack

Abstract

The utility model relates to a sealed shockproof storage battery pack which comprises a storage battery box body, a storage battery box cover and a plurality of strings of battery core bodies, a waterproof groove inner ring is arranged in the storage battery box cover, a waterproof groove is arranged between the waterproof groove inner ring and the outer edge of the storage battery box cover, and the waterproof groove inner ring is provided with an inner folding edge attached to the battery box cover. The periphery of the inner folding edge is fixed with the storage battery box cover through welding, the storage battery box body is provided with an upper edge inner folding waterproof fastening edge, a concave key groove is formed in one side of the inner bottom, clamping plates are arranged on the two sides of the multiple strings of battery cell bodies, the battery cells between the two clamping plates are tightly hooped through steel belts, and protruding key strips are arranged on the outer sides of the bottoms of the clamping plates. The storage battery case has the beneficial effects that the problem of water leakage of the storage battery case is solved, a plurality of strings of battery core bodies can be fixed in the storage battery case body, and meanwhile, the space utilization rate of the storage battery case body is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a sealed shockproof battery pack. Background Technology

[0002] Batteries play a vital role in the automotive industry as an indispensable component. Currently, the types of batteries used on the market include lead-acid batteries, lithium batteries, sodium-ion batteries, and solid-state batteries.

[0003] During battery installation, multiple strings of cells need to be placed into the battery box, the battery box cover is closed, and then the battery box and battery box cover are secured with screws. This method of installation results in a fragile connection between the multiple strings of cells and the battery box, making them prone to shaking when encountering bumps in the road.

[0004] To prevent multiple battery cells from swaying, some manufacturers install key strips at both ends of the cells and use screws to secure them to the battery box. However, the required length of the key strips must be sufficient to accommodate the screws and nuts, meaning the key strip length must be at least 3cm. Therefore, the dimensions of the battery box and battery cover need to be increased accordingly, undoubtedly increasing production costs. Furthermore, there is a leakage problem at the connection between the battery box and battery cover. Utility Model Content

[0005] To overcome the above-mentioned technical problems, this utility model provides a sealed shockproof battery pack, which can fix multiple battery cells, improve the space utilization of the battery box, and solve the problem of water leakage in the battery box.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A sealed, shockproof battery pack includes a battery casing, a battery cover, and multiple battery cells. The battery cover has an inner ring with a waterproof groove, and a waterproof groove exists between the inner ring and the outer edge of the battery cover. The inner ring of the waterproof groove has an inwardly folded edge that fits snugly against the battery cover. The inwardly folded edge is welded to the battery cover, securing the battery cover and the inner ring together and ensuring a closer fit between the inwardly folded edge and the battery cover. The battery casing has an inwardly folded waterproof fastening edge on its upper edge and a recessed keyway on one side of its inner bottom. Clamping plates are provided on both sides of the multiple battery cells, and steel strips are used to tighten the cells between the clamping plates. Protruding key strips are provided on the outer bottom of each clamping plate. The length of the protruding key strips varies depending on the actual needs.

[0008] Furthermore, the inner circumference of the waterproof groove is provided with several corresponding fastening nuts, and fastening screws are installed on the fastening nuts.

[0009] Furthermore, the upper edge has an inwardly folded waterproof fastening edge with a fixing hole corresponding to the fastening screw.

[0010] Further, the protruding key of one side clamping plate is embedded in the recessed key groove, and the protruding key of the other side clamping plate is fixed to the bottom plate of the battery box through the fastening bolt set.

[0011] Further, the protruding key of one side clamping plate is embedded in the recessed key groove, and the protruding key of the other side clamping plate is fixed to the bottom plate of the battery box through the fastening bolt set.

[0012] Further, the top of the two clamping plates is connected through an upper end plate, the upper end plate is provided with upper insertion parts on both sides, the upper insertion parts are tightly inserted into the waterproof groove together with the inner folded waterproof fastening edges of the upper edges, and the fastening position nuts are provided with through holes corresponding to the upper insertion parts, the inner folded waterproof fastening edges of the upper edges and the outer edges of the battery box cover.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model solves the problem of water leakage of the battery shell, and enables the multiple series of battery cells to be fixed in the triangular shape in the battery box, so that the upper part of the multiple series of battery cells is prevented from swinging left and right or forward and backward in the battery box when the vehicle shakes, the stability and safety of the battery are improved, and the space utilization rate of the battery box is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structure schematic diagram of the utility model.

[0016] Figure 2 It is an A part enlarged structure schematic diagram of the utility model. Figure 1

[0017] Figure 3 It is a B part enlarged structure schematic diagram of the utility model. Figure 1

[0018] Figure 4 It is a bottom view structure schematic diagram of the utility model.

[0019] Figure 5 It is a C part enlarged structure schematic diagram of the utility model. Figure 4 ​​​

[0020] Figure 6 It is a front view structural schematic diagram of the battery box of the utility model.

[0021] Figure 7 It is a right view structural schematic diagram of the utility model.

[0022] Figure 8 It is Figure 1 The enlarged structural schematic diagram of D part.

[0023] Figure 9 It is Figure 1 The enlarged structural schematic diagram of E part.

[0024] Figure 10 It is a left view sectional structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0026] The utility model provides a sealed shockproof battery pack, provides a kind of can fix multiple string electric core body and can improve the space utilization of battery box, can also solve the battery pack of battery box water leakage.

[0027] Specifically, a kind of sealed shockproof battery pack, including battery box 1, battery box cover 2 and multiple string electric core body 3, water tank inner ring 4 is equipped in battery box cover 2, water tank inner ring 4 and the outer edge between battery box cover 2 are equipped with water tank 21, water tank inner ring 4 is equipped with the inner folding edge 41 of sticking battery box cover 2, and the inner folding edge 41 is fixed by welding around with battery box cover 2, so that battery box cover and water tank inner ring can be fixed together, and make the inner folding edge more adhere to battery box cover. Battery box 1 is equipped with upper edge inner folding water-proof fastening edge 9, and the recessed key groove 11 is equipped on one side of inner bottom, and the clamping plate 31 is equipped on both sides of multiple string electric core body 3, and the electric core is clamped tightly between the two clamping plates 31 by steel band 10, and the protruding key strip 32 is equipped on the outer side of the bottom of clamping plate 31. Protruding key strip is long and short according to actual needs.

[0028] Water tank inner ring 4 is equipped with several corresponding tight fixing position nut 5 around, and tight fixing position nut 5 is equipped with tight fixing position screw 6.

[0029] Upper edge inner folding water-proof fastening edge 9 is equipped with fixed hole 7 corresponding to tight fixing position screw 6.

[0030] The protruding key 32 of one side of the clamping plate 31 is embedded in the recessed key groove 11, and the protruding key 32 of the other side of the clamping plate 31 is fixed to the bottom plate of the battery box 1 through the fastening bolt set 8.

[0031] The clamping plate 31 and the outer battery box 1 are both provided with screw through holes 12, the clamping plate 31 is provided with a press-in nut 33 corresponding to the position of the through hole 12, the outer side of the press-in nut 33 is welded to the connecting part of the clamping plate 31, and the press-in nut 33 extends to the inner side of the battery box 1 and is aligned with the through hole 12, and is fixed by a screw 36.

[0032] The top of the two clamping plates 31 is connected by an upper end plate 34, the upper end plate 34 is provided with an upper insertion part 35 on both sides, the upper insertion part 35 is tightly inserted into the waterproof groove 21 together with the upper edge inner folding waterproof fastening edge 9, the through hole is provided on the outer side of the fastening position nut 5, the upper insertion part 35, the upper edge inner folding waterproof fastening edge 9 and the outer edge of the battery box cover 2 are all provided with through holes, and the fastening position screw 6 is used for fastening.

[0033] Specific installation, the multiple string battery body 3 is first placed in the battery box 1 by sticking to the screw rod side, after being placed to the bottom, the multiple string battery body 3 is pushed forward, the bottom protruding key 32 is embedded in the recessed key groove 11, then the screw rod 36 extends into the through hole 12 of the battery box 1 and is tightly connected with the press-in nut 33, the protruding key 32 on the other side is fixed to the bottom plate of the battery box 1 through the fastening bolt set 8, then glue is injected on both sides of the multiple string battery body 3, the multiple string battery body 3 is further fixed, and the bottom sealing effect is achieved.

[0034] Glue is injected around the waterproof groove 21 between the waterproof groove inner ring 4 and the battery box cover 2, the battery box cover 2 is quickly covered on the battery box 1, the waterproof groove 21 is sleeved on the upper insertion part 35 and the upper edge inner folding waterproof fastening edge 9, then the positioning screw 6 is positioned on the opening fixing groove 7, then the positioning screw 6 is tightened, the space of the waterproof groove 21 is contracted, the sealing performance of the glue inside is better, and the battery box cover 2 and the battery box 1 are fixed through other installation screws.

[0035] The above merely is the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the present application concept within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sealed shockproof storage battery pack comprising a storage battery case (1), a storage battery case cover (2) and a plurality of strings of cell bodies (3), characterized in that: The battery box cover (2) is provided with a waterproof groove inner ring (4), the waterproof groove inner ring (4) and the battery box cover (2) outer edge are provided with a waterproof groove (21), the waterproof groove inner ring (4) is provided with the inner folding edge (41) of the battery box cover (2), the inner folding edge (41) is welded with the battery box cover (2) around, the battery box body (1) is provided with the upper edge inner folding waterproof fastening edge (9), and the inner bottom one side is provided with a recessed key groove (11), the both sides of the multiple string electric core body (3) are provided with the clamping plate (31), and the electric core is clamped tightly between the two clamping plates (31) by the steel band (10), the bottom outer side of the clamping plate (31) is provided with the protruding key strip (32).

2. A sealed shock-resistant battery pack according to claim 1, characterized in that: The waterproof groove inner ring (4) is provided with a plurality of corresponding fixed position nuts (5) around, the fixed position nuts (5) are provided with fixed position screws (6).

3. A sealed shock-resistant battery pack according to claim 2, characterized in that: The upper edge inner folding waterproof fastening edge (9) is provided with a fixed hole (7) corresponding to the fixed position screw (6).

4. A sealed shock-resistant storage battery as defined in claim 1, wherein: The protruding key strip (32) of one side clamping plate (31) is embedded in the recessed key groove (11), and the protruding key strip (32) of the other side clamping plate (31) is fixed with the bottom plate of the battery box body (1) through the fastening bolt group (8).

5. A sealed shock-resistant battery pack according to claim 4, characterized in that: One side clamping plate (31) and the outer side of the battery box body (1) are provided with screw through holes (12), the clamping plate (31) is provided with a press-in nut (33) corresponding to the through hole (12), the outer side of the press-in nut (33) and the clamping plate (31) connection part are welded, the press-in nut (33) extends to the inner side of the battery box body (1) and is aligned with the through hole (12), and is fixed with a screw rod (36).

6. A sealed shock-resistant storage battery as defined in claim 3 wherein: The two clamping plates (31) are connected through the upper end plate (34), the upper end plate (34) is provided with an upper insertion part (35) on both sides, the upper insertion part (35) is tightly inserted into the waterproof groove (21) together with the upper edge inner folding waterproof fastening edge (9), the fixed position nuts (5) are provided with through holes corresponding to the upper insertion part (35), the upper edge inner folding waterproof fastening edge (9) and the outer edge of the battery box cover (2), and are fixed with fixed position screws (6).

7. A sealed shock-resistant battery pack according to claim 6, characterized in that: The waterproof groove (21) is filled with waterproof sealant, and the gap between the upper insertion part (35) and the upper edge inner folding waterproof fastening edge (9) is penetrated.

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