Waterproof externally-hung lithium battery protection box

Abstract

The utility model relates to the technical field of battery protection boxes, and discloses a waterproof externally-hung lithium battery protection box which comprises a fixing plate, the upper surface of the fixing plate is fixedly connected with a support, the outer wall of the support is fixedly connected with a limiting plate, the inner wall of the fixing plate is in threaded connection with a rotating rod, and the rotating rod is in threaded connection with the limiting plate. A driving block is rotatably connected to the upper surface of the rotating rod, a first connecting plate is rotatably connected to the outer wall of the driving block, a downward pressing block is rotatably connected to the inner wall of the first connecting plate, a second connecting plate is rotatably connected to the outer wall of the downward pressing block, a rotating shaft is fixedly connected to the inner wall of the second connecting plate, and a third connecting plate is rotatably connected to the outer wall of the rotating shaft; a bearing assembly is arranged on the outer wall of the left side of the fixing plate. According to the device, the rotating rod is rotated to push the driving block to enable the first connecting plate and the rotating shaft to move at the same time, the second connecting plate pushes the lower pressing block to move at the same time, and therefore the outer hanging box can be rapidly opened and closed, and the effect that a protection plate or a BMS is conveniently detected, maintained and replaced is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery protection box technical field especially relates to a waterproof external hanging type lithium battery protection box. BACKGROUND

[0002] The lithium battery protection box is a device for protecting lithium battery pack, mainly used in consumer electronics, electric vehicles, energy storage systems, using waterproof external hanging type lithium battery protection box can adapt to special use environment, protect battery performance and life, improve safety performance, the waterproof performance of traditional waterproof external hanging type lithium battery protection box is limited, fixed and poor damping, poor adaptability, higher cost, to realize the use requirement of modern lithium battery protection box, thereby using new waterproof external hanging type lithium battery protection box.

[0003] In the prior art, the current small power lithium battery is arranged in a cell or a cell is made into a module, then a protection plate or a BMS is installed, and then a cover is covered, resulting in the problem that the detection, maintenance and replacement of the protection plate or the BMS are inconvenient. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a waterproof external hanging type lithium battery protection box, which aims to solve the problem that the current small power lithium battery is arranged in a cell or a cell is made into a module, then a protection plate or a BMS is installed, and then a cover is covered, resulting in the problem that the detection, maintenance and replacement of the protection plate or the BMS are inconvenient.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A waterproof external hanging type lithium battery protection box, comprising a fixed plate, the upper surface of the fixed plate is fixedly connected with a support, the outer wall of the support is fixedly connected with a limiting plate, the inner wall of the fixed plate is threadedly connected with a rotating rod, the upper surface of the rotating rod is rotatably connected with a driving block, the outer wall of the driving block is rotatably connected with a connecting plate one, the inner wall of the connecting plate one is rotatably connected with a pressing block, the outer wall of the pressing block is rotatably connected with a connecting plate two, the inner wall of the connecting plate two is rotatably connected with the outer wall of the support, the inner wall of the connecting plate two is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is rotatably connected with a connecting plate three, the outer wall of the connecting plate three is slidably connected with the outer wall of the connecting plate two, the inner wall of the connecting plate three is rotatably connected with the outer wall of the driving block, and the left outer wall of the fixed plate is provided with a bearing assembly.

[0007] Preferably, the bearing assembly comprises an external hanging box, the right outer wall of the external hanging box is fixedly connected with the left outer wall of the fixed plate, the upper surface of the external hanging box is fixedly connected with a sealing ring, the outer wall of the sealing ring is slidably connected with an upper cover, and the lower surface of the upper cover is slidably connected with the upper surface of the sealing ring.

[0008] Preferably, the inner wall of the upper cover is provided with a sealing gasket, the inner wall of the sealing gasket is slidably connected with a wire outlet, the lower surface of the wire outlet is fixedly connected with a battery box, the upper surface of the battery box is arranged on the lower surface of the outer hanging box, and the outer wall of the outer hanging box is provided with a connecting assembly.

[0009] Preferably, the connecting assembly comprises an outer shell, and the outer wall of the outer shell is fixedly connected to the outer wall of the outer hanging box.

[0010] Preferably, the inner wall of the outer shell is threadedly connected with a threaded rod, and the lower surface of the threaded rod is rotatably connected with a moving block.

[0011] Preferably, the inner wall of the moving block is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is rotatably connected with a clamping plate, and the outer wall of the clamping plate is slidably connected to the inner wall of the outer shell.

[0012] Preferably, the inner wall of the clamping plate is slidably connected with a limiting rod, and the outer wall of the limiting rod is fixedly connected to the inner wall of the fixed block.

[0013] Preferably, the outer wall of the clamping plate is slidably connected with a clamping block, and the upper surface of the clamping block is slidably connected to the lower surface of the outer shell.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, rotating the rotating rod pushes the driving block to move the connecting plate I and the rotating shaft at the same time, the connecting plate I pushes the lower pressing block at the same time under the action of the rotating shaft, and the connecting plate II pushes the lower pressing block to move at the same time, so that the sealing ring and the upper cover are quickly clamped, thereby the outer hanging box can be quickly opened and closed, and the effect of conveniently detecting, maintaining and replacing the protection plate or BMS is achieved.

[0016] 2. In the utility model, rotating the threaded rod drives the moving block to move to make the connecting shaft move, the connecting shaft drives the clamping plate to clamp the clamping block under the action of the limiting rod, thereby the effect that the outer hanging box can be quickly disassembled and assembled on the upper surface of the battery box is achieved. DRAWINGS

[0017] Figure 1 A perspective view of a waterproof external hanging type lithium battery protection box is provided for the utility model;

[0018] Figure 2 A rotating rod partial structure schematic view of a waterproof external hanging type lithium battery protection box is provided for the utility model;

[0019] Figure 3 An upper cover partial structure schematic view of a waterproof external hanging type lithium battery protection box is provided for the utility model;

[0020] Figure 4 The utility model provides a kind of waterproof's outer-hung lithium battery protection box's connecting shaft local structure schematic diagram.

[0021] Legend:

[0022] 1, fixed plate;11, support;12, limit plate;13, rotating rod;14, driving block;15, connecting plate one;16, lower pressing block;17, connecting plate two;18, rotating shaft;19, connecting plate three;2, outer-hung box;21, sealing ring;22, upper cover;23, sealing washer;24, outlet;25, battery box;3, shell;31, fixed block;32, threaded rod;33, moving block;34, connecting shaft;35, clamping plate;36, limit rod;37, clamping block. Specific embodiments

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Reference Figure 1 And Figure 2 An embodiment provided by the utility model: a waterproof outer-hung lithium battery protection box, comprising fixed plate 1, the upper surface of fixed plate 1 is fixedly connected with support 11, the outer wall of support 11 is fixedly connected with limit plate 12, the inner wall of fixed plate 1 is threadedly connected with rotating rod 13, the upper surface of rotating rod 13 is rotatably connected with driving block 14, the outer wall of driving block 14 is rotatably connected with connecting plate one 15, the inner wall of connecting plate one 15 is rotatably connected with lower pressing block 16, the outer wall of lower pressing block 16 is rotatably connected with connecting plate two 17, the inner wall of connecting plate two 17 is rotatably connected in the outer wall of support 11, the inner wall of connecting plate two 17 is fixedly connected with rotating shaft 18, the outer wall of rotating shaft 18 is rotatably connected with connecting plate three 19, the outer wall of connecting plate three 19 is slidably connected in the outer wall of connecting plate two 17, the inner wall of connecting plate three 19 is rotatably connected in the outer wall of driving block 14, the left outer wall of fixed plate 1 is equipped with bearing assembly;

[0025] Specifically, rotating rod 13 rotatable in the inner wall of fixed plate 1 pushes driving block 14 to move, so that connecting plate one 15 and rotating shaft 18 move simultaneously, by setting support 11, the rotation of connecting plate two 17 can be limited, connecting plate one 15 drives lower pressing block 16 to move, and simultaneously, connecting plate three 19 will drive connecting plate two 17 to rotate with lower pressing block 16, so that outer-hung box 2 can be quickly opened and closed, to reach the effect that the detection, maintenance and replacement of protection plate or BMS are convenient.

[0026] With reference to Figure 1 and Figure 3 , the carrying assembly comprises an outer hanging box 2, the right outer wall of the outer hanging box 2 is fixedly connected to the left outer wall of the fixed plate 1, the upper surface of the outer hanging box 2 is fixedly connected with a sealing ring 21, the outer wall of the sealing ring 21 is slidingly connected with an upper cover 22, the lower surface of the upper cover 22 is slidingly connected to the upper surface of the sealing ring 21; the inner wall of the upper cover 22 is provided with a sealing washer 23, the inner wall of the sealing washer 23 is slidingly connected with a wire outlet 24, the lower surface of the wire outlet 24 is fixedly connected with a battery box 25, the upper surface of the battery box 25 is arranged on the lower surface of the outer hanging box 2, and the outer wall of the outer hanging box 2 is provided with a connecting assembly;

[0027] Specifically, the wire outlet 24 is arranged on the upper surface of the battery box 25, the electrode wire, the collection wire, the NTC and other wire harnesses are led out from the wire outlet 24, the outer hanging box 2 is sleeved on the outer wall of the wire outlet 24 and arranged on the upper surface of the battery box 25, the protection plate or the BMS is arranged on the inner wall of the outer hanging box 2, and the upper cover 22 is covered; the sealing effect of waterproof can be achieved through the sealing ring 21 and the sealing washer 23, and thus the effect of conveniently detecting, maintaining or replacing the protection plate or the BMS can be achieved.

[0028] With reference to Figure 1 and Figure 4 , the connecting assembly comprises an outer shell 3, the outer wall of the outer shell 3 is fixedly connected to the outer wall of the outer hanging box 2, and the inner wall of the outer shell 3 is fixedly connected with a fixed block 31; the inner wall of the outer shell 3 is threadedly connected with a threaded rod 32, and the lower surface of the threaded rod 32 is rotatably connected with a moving block 33; the inner wall of the moving block 33 is fixedly connected with a connecting shaft 34, the outer wall of the connecting shaft 34 is rotatably connected with a clamping plate 35, and the outer wall of the clamping plate 35 is slidingly connected to the inner wall of the outer shell 3; the inner wall of the clamping plate 35 is slidingly connected with a limiting rod 36, and the outer wall of the limiting rod 36 is fixedly connected to the inner wall of the fixed block 31; the outer wall of the clamping plate 35 is slidingly connected with a clamping block 37, and the upper surface of the clamping block 37 is slidingly connected to the lower surface of the outer shell 3;

[0029] Specifically, rotating the threaded rod 32 in the outer shell 3 makes the moving block 33 move, the moving block 33 drives the connecting shaft 34 to move to make the clamping plate 35 move, and the limiting rod 36 arranged on the fixed block 31 can make the clamping plate 35 rotate when the clamping plate 35 moves, so as to clamp the clamping block 37, thereby achieving the effect of quickly disassembling and assembling the outer hanging box 2 on the upper surface of the battery box 25.

[0030] Working principle: when the protective shell is needed, the outer box 2 is placed on the upper surface of the battery box 25, and the sealing ring 23 arranged on the inner wall of the outer box 2 is sleeved on the outer wall of the wire outlet 24 arranged on the upper surface of the battery box 25, so as to prevent water from entering the connection, and the electrode wire, collection wire, NTC and other wire harnesses are led out from the wire outlet 24 and placed in the outer box 2. After aligning the shell 3 and the clamping block 37, the moving block 33 is moved by rotating the threaded rod 32, and the connecting shaft 34 is moved at the same time, the movement of the connecting shaft 34 further drives the clamping plate 35 to move, and the limiting rod 36 arranged on the fixed block 31 can make the clamping plate 35 rotate, so as to connect the shell 3 and the clamping block 37, so as to achieve the effect of quickly disassembling the outer box 2 on the upper surface of the battery box 25. After arranging the protection plate or BMS on the inner wall of the outer box 2, the upper cover 22 is covered on the upper surface of the outer box 2, and the waterproof effect can be achieved by extruding the sealing ring 21. Then rotate the rotating rod 13 arranged on the inner wall of the fixed plate 1 to drive the driving block 14 to move, the connecting plate one 15 and the connecting plate three 19 are rotated, the movement of the connecting plate one 15 drives the lower pressing block 16 to move, and the connecting plate three 19 drives the connecting plate two 17 to rotate on the outer wall of the support 11 to move the lower pressing block 16, which can achieve the effect of tightly connecting the outer box 2 and the upper cover 22. The limiting plate 12 is arranged to limit the movement track of the lower pressing block 16. The protective box can quickly disassemble the outer box 2 on the upper surface of the battery box 25, and can quickly open and close the outer box 2, so as to achieve the effect of convenient detection, maintenance and replacement of the protection plate or BMS.

[0031] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A waterproof external hanging lithium battery protection box, comprising a fixing plate (1), characterized in that: The upper surface of the fixed plate (1) is fixedly connected with a support (11), the outer wall of the support (11) is fixedly connected with a limiting plate (12), the inner wall of the fixed plate (1) is threadedly connected with a rotating rod (13), the upper surface of the rotating rod (13) is rotatably connected with a driving block (14), the outer wall of the driving block (14) is rotatably connected with a connecting plate (15), the inner wall of the connecting plate (15) is rotatably connected with a pressing block (16), the outer wall of the pressing block (16) is rotatably connected with a connecting plate (17), the inner wall of the connecting plate (17) is rotatably connected with the outer wall of the support (11), the inner wall of the connecting plate (17) is fixedly connected with a rotating shaft (18), the outer wall of the rotating shaft (18) is rotatably connected with a connecting plate (19), the outer wall of the connecting plate (19) is slidably connected with the outer wall of the connecting plate (17), the inner wall of the connecting plate (19) is rotatably connected with the outer wall of the driving block (14), and the left outer wall of the fixed plate (1) is provided with a bearing assembly.

2. The waterproof external hanging lithium battery protection box according to claim 1, characterized in that: The bearing assembly comprises an external hanging box (2), the right outer wall of the external hanging box (2) is fixedly connected with the left outer wall of the fixed plate (1), the upper surface of the external hanging box (2) is fixedly connected with a sealing ring (21), the outer wall of the sealing ring (21) is slidably connected with an upper cover (22), and the lower surface of the upper cover (22) is slidably connected with the upper surface of the sealing ring (21).

3. The waterproof external hanging lithium battery protection box according to claim 2, characterized in that: The inner wall of the upper cover (22) is provided with a sealing washer (23), the inner wall of the sealing washer (23) is slidably connected with a wire outlet (24), the lower surface of the wire outlet (24) is fixedly connected with a battery box (25), the upper surface of the battery box (25) is arranged on the lower surface of the external hanging box (2), and the outer wall of the external hanging box (2) is provided with a connecting assembly.

4. The waterproof external hanging lithium battery protection box according to claim 3, characterized in that: The connecting assembly comprises an outer shell (3), the outer wall of the outer shell (3) is fixedly connected with the outer wall of the external hanging box (2), and the inner wall of the outer shell (3) is fixedly connected with a fixed block (31).

5. The waterproof external hanging lithium battery protection box according to claim 4, characterized in that: The inner wall of the outer shell (3) is threadedly connected with a threaded rod (32), and the lower surface of the threaded rod (32) is rotatably connected with a moving block (33).

6. The waterproof external hanging lithium battery protection box according to claim 5, characterized in that: The inner wall of the moving block (33) is fixedly connected with a connecting shaft (34), the outer wall of the connecting shaft (34) is rotatably connected with a clamping plate (35), and the outer wall of the clamping plate (35) is slidably connected with the inner wall of the outer shell (3).

7. The waterproof external hanging lithium battery protection box according to claim 6, characterized in that: The inner wall of the clamping plate (35) is slidably connected with a limiting rod (36), and the outer wall of the limiting rod (36) is fixedly connected with the inner wall of the fixed block (31).

8. The waterproof external hanging lithium battery protection box according to claim 7, characterized in that: The outer wall of the clamping plate (35) is slidably connected with a clamping block (37), and the upper surface of the clamping block (37) is slidably connected with the lower surface of the outer shell (3).

Images