Lithium battery pack charging device

Abstract

The utility model belongs to the technical field of chargers, and particularly relates to a lithium battery pack charging device which comprises a left protection frame and an upper supporting frame, a right protection frame is arranged on the right side of the left protection frame, a charger body is arranged between the left protection frame and the right protection frame, a connecting wire is arranged on the side wall of the charger body, and the connecting wire is connected with the upper supporting frame. The side wall of the left protection frame is provided with an inserting plate, and the right protection frame is provided with an inserting groove corresponding to the inserting plate. In the using process of the lithium battery pack electricity supplementing device, the connecting wires can be conveniently stored and positioned, the connecting wires are prevented from being wound due to the fact that the connecting wires are too long, arrangement is convenient, and the practicability is high. And meanwhile, the connection stability between the connecting wire and the charger can be conveniently improved, the breakage of the connecting wire when the connecting wire is accidentally pulled is prevented, and the protection property of the lithium battery pack electricity supplementing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, in particular to a lithium battery pack charging device. Background Art

[0002] The structure of a lithium battery pack generally includes a positive electrode, a negative electrode, an electrolyte, a separator, a battery casing, etc., and is generally composed of multiple battery packs. When a lithium battery pack is not used or charged for a long time, the lithium battery pack will discharge autonomously, causing the lithium battery pack to be low on power. When a lithium battery pack is low on power, it is generally recharged using a dedicated charger.

[0003] In the existing technology, the existing lithium battery pack charger has low protection, and it is inconvenient to store and fix the connecting wires, resulting in the connecting wires being long and easy to be tangled. If the connecting wires are accidentally pulled, it is easy to cause the connection between the charger and the connecting wire to break, thereby causing damage. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the existing chargers, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a lithium battery pack charging device, which can facilitate the storage and positioning of the connecting wires during the use of the lithium battery pack charging device, prevent the connecting wires from being entangled due to long lengths, and facilitate organization. At the same time, it is convenient to increase the connection stability between the connecting wires and the charger, prevent the connecting wires from breaking at the connection point when they are accidentally pulled, and improve the protection of the lithium battery pack charging device.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A lithium battery pack charging device comprises a left protective frame and an upper support frame, a right protective frame is arranged on the right side of the left protective frame, a charger body is arranged between the left and right protective frames, a connecting line is arranged on the side wall of the charger body, a plug-in plate is arranged on the side wall of the left protective frame, a slot corresponding to the plug-in plate is arranged on the right protective frame, the plug-in plate is embedded and installed in the slot, positioning holes are correspondingly arranged on the side walls of the right protective frame and the plug-in plate, a positioning rod is embedded and installed in the positioning hole, the upper support frame is arranged on the side walls of the left and right protective frames, a lower support frame is symmetrically arranged on the side walls of the left and right protective frames, a winding column is arranged on the top of the lower support frame, a spring is arranged on the bottom of the upper support frame, a top plate is arranged on one end of the spring, and the top plate is movably connected to the top of the winding column.

[0009] As a preferred solution of a lithium battery pack charging device described in the utility model, the side wall of the plug board is provided with a plurality of grooves, heat sinks are embedded and installed in the grooves, and the heat sinks are connected to the side walls of the charger body.

[0010] As a preferred solution of a lithium battery pack charging device described in the utility model, wherein: the inner walls of the left protective frame and the right protective frame are provided with protective pads, and the protective pads are bonded to the inner walls of the left protective frame and the right protective frame.

[0011] As a preferred solution of a lithium battery pack charging device described in the utility model, wherein: a limiting hole is provided at the bottom of the top plate, and the top end of the winding post is embedded and installed in the limiting hole.

[0012] As a preferred solution of the lithium battery pack charging device described in the utility model, wherein: the connecting wire is wound and connected to the side wall of the winding column.

[0013] As a preferred solution of the lithium battery pack charging device described in the utility model, wherein: the positioning rod is embedded in the positioning hole on the plug plate through the positioning hole on the right protective frame.

[0014] As a preferred solution of a lithium battery pack charging device described in the utility model, the side walls of the left protective frame and the right protective frame are symmetrically provided with mounting holes and through holes, and the mounting holes are connected with the through holes.

[0015] Compared with the prior art: In the present application document, 1. the left protective frame and the right protective frame are conveniently installed on both sides of the charger body through the matching connection between the plug-in board and the slot, the positioning rod is embedded in the positioning hole on the plug-in board through the positioning hole on the right protective frame, the plug-in board is conveniently fixed through the positioning rod, and installation or disassembly is convenient, and the top plate is conveniently pressed upward by the spring, so that the winding column is convenient for winding the connecting wire, positioning the connecting wire, and storing it. After the connecting wire is wound, the top plate is released, and the top plate is squeezed on the top of the winding column through the elastic operation of the spring, so that the top end of the winding column is clamped in the top plate, and the top plate is pressed upward by the spring. It is convenient to seal the top of the winding post to prevent the connecting wire from slipping out of the winding post, which is convenient for operation. Therefore, during the use of the lithium battery pack charging device, it is convenient to store and position the connecting wire to prevent the connecting wire from being entangled due to its long length, which is convenient for sorting. At the same time, it is convenient to increase the connection stability between the connecting wire and the charger to prevent the connection wire from breaking when it is accidentally pulled, thereby improving the protection of the lithium battery pack charging device. 2. The groove makes it easy to install the heat sink, which is in contact with the side wall of the charger body. The heat sink can be used to conduct heat out of the charger body to achieve the purpose of heat dissipation and improve the heat dissipation effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 This is a schematic diagram of the structure of a lithium battery pack charging device of the utility model;

[0018] Figure 2 This is a structural explosion diagram of a lithium battery pack charging device of the utility model;

[0019] Figure 3 This is a structural cross-sectional view of a lithium battery pack charging device of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of a heat sink of a lithium battery pack charging device.

[0021] In the figure: 100 left protective frame, 110 right protective frame, 120 charger body, 130 connecting wire, 140 plug-in board, 150 slot, 160 positioning hole, 170 positioning rod, 200 upper support frame, 210 lower support frame, 220 winding column, 230 spring, 240 top plate, 300 groove, 310 heat sink. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides a lithium battery pack charging device, please refer to Figure 1-Figure 4, including a left protective frame 100 and an upper support frame 200, a right protective frame 110 is installed on the right side of the left protective frame 100, a charger body 120 is embedded and installed between the left protective frame 100 and the right protective frame 110, a connecting line 130 is connected to the side wall of the charger body 120, a plug-in board 140 is fixedly installed on the side wall of the left protective frame 100, a slot 150 corresponding to the plug-in board 140 is opened on the right protective frame 110, and the plug-in board 140 is embedded and installed in the slot 150, and the right protective frame 1 The side walls of the left protective frame 100 and the plug plate 140 are provided with positioning holes 160 correspondingly, and the positioning holes 160 are internally threaded with positioning rods 170. The upper support frame 200 is fixedly installed on the side walls of the left protective frame 100 and the right protective frame 110. The side walls of the left protective frame 100 and the right protective frame 110 are symmetrically installed with lower support frames 210. The top of the lower support frame 210 is fixedly installed with a winding column 220. The bottom of the upper support frame 200 is connected to a spring 230, and one end of the spring 230 is connected to a top plate 240. The top plate 240 is movably connected to the top of the winding pole 220. Specifically, the left protective frame 100 and the right protective frame 110 are conveniently installed on both sides of the charger body 120 through the matching connection of the plug plate 140 and the slot 150. The positioning rod 170 is inserted into the positioning hole 160 installed on the plug plate 140 through the positioning hole 160 on the right protective frame 110. The plug plate 140 is conveniently fixed through the positioning rod 170, which is convenient for installation or removal. The top plate 240 is conveniently installed through the spring 230. 40 is pressed upward, so that the winding post 220 can wind the connecting wire 130, and the connecting wire 130 can be positioned and stored. After the connecting wire 130 is wound, the top plate 240 is loosened, and the top plate 240 is squeezed on the top of the winding post 220 through the elastic operation of the spring 230, so that the top of the winding post 220 is clamped in the top plate 240. The top plate 240 is used to seal the top of the winding post 220 to prevent the connecting wire 130 from slipping out of the winding post 220, which is convenient for operation.

[0027] The inner walls of the left protective frame 100 and the right protective frame 110 are provided with protective pads, which are bonded to the inner walls of the left protective frame 100 and the right protective frame 110. Specifically, the protective pads can increase the protection of the charger body 120 and extend the service life of the device.

[0028] A limiting hole is provided at the bottom of the top plate 240, and the top end of the winding post 220 is embedded and installed in the limiting hole. Specifically, it is convenient to limit the top end of the winding post 220 and to facilitate operation.

[0029] The connecting wire 130 is wound and connected to the side wall of the winding pole 220 , which is convenient for positioning and storing the connecting wire 130 and for convenient operation.

[0030] The positioning rod 170 is embedded in the positioning hole 160 installed on the plug plate 140 through the positioning hole 160 on the right protective frame 110 .

[0031] The side walls of the left protective frame 100 and the right protective frame 110 are symmetrically provided with mounting holes and through holes, and the mounting holes are connected with the through holes. Specifically, the charger body 120 is conveniently installed through the mounting holes, and the connecting wire 130 is placed through the through holes for easy operation.

[0032] Combination Figure 1-Figure 4 , a lithium battery pack charging device of this embodiment, the specific use process is as follows: use the plug plate 140 to be embedded in the corresponding slot 150, through the plug plate 140 and the slot 150, the left protective frame 100 and the right protective frame 110 are installed on both sides of the charger body 120, and the positioning rod 170 is used to insert the positioning hole 160 on the right protective frame 110 into the positioning hole 160 installed on the plug plate 140, and the plug plate 140 is installed and fixed by the positioning rod 170, which is convenient for installation or removal, upward Press the top plate 240 to deform the spring 230 under pressure, and wind the connecting wire 130 around the winding post 220 to position the connecting wire 130 for easy storage. After the connecting wire 130 is completely wound, release the top plate 240, and use the elastic operation of the spring 230 to squeeze the top plate 240 on the top of the winding post 220, so that the top of the winding post 220 is clamped in the top plate 240. Use the top plate 240 to seal the top of the winding post 220 to prevent the connecting wire 130 from slipping out of the winding post 220, thereby facilitating the limiting of the connecting wire 130.

[0033] Figure 4 The structure diagram of the second embodiment of the lithium battery pack charging device of the utility model is shown. Figure 4 Different from the above-mentioned embodiment, the side wall of the plug board 140 is provided with a plurality of grooves 300, and a heat sink 310 is embedded and installed in the groove 300. The heat sink 310 is connected to the side wall of the charger body 120. Specifically, the groove 300 facilitates the installation of the heat sink 310, and the heat sink 310 contacts the side wall of the charger body 120. The heat sink 310 facilitates the conduction of heat in the charger body 120, thereby achieving the purpose of heat dissipation and improving the heat dissipation effect of the device.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A lithium battery pack charging device, characterized in that: The invention comprises a left protective frame (100) and an upper support frame (200), wherein a right protective frame (110) is arranged on the right side of the left protective frame (100), a charger body (120) is arranged between the left protective frame (100) and the right protective frame (110), a connecting line (130) is arranged on the side wall of the charger body (120), a plug board (140) is arranged on the side wall of the left protective frame (100), the right protective frame (110) is provided with a slot (150) corresponding to the plug board (140), the plug board (140) is embedded and installed in the slot (150), and the side walls of the right protective frame (110) and the plug board (140) are connected to each other. A positioning hole (160) is correspondingly arranged on the wall, and a positioning rod (170) is embedded and installed in the positioning hole (160); the upper support frame (200) is arranged on the side walls of the left protective frame (100) and the right protective frame (110); the side walls of the left protective frame (100) and the right protective frame (110) are symmetrically provided with a lower support frame (210); the top of the lower support frame (210) is provided with a winding post (220); the bottom of the upper support frame (200) is provided with a spring (230); one end of the spring (230) is provided with a top plate (240); the top plate (240) is movably connected to the top of the winding post (220).

2. A lithium battery pack charging device according to claim 1, characterized in that: The side wall of the plug board (140) is provided with a plurality of grooves (300), and a heat sink (310) is embedded and installed in the groove (300), and the heat sink (310) is connected to the side wall of the charger body (120).

3. A lithium battery pack charging device according to claim 1, characterized in that: The inner walls of the left protection frame (100) and the right protection frame (110) are provided with protection pads, and the protection pads are bonded to the inner walls of the left protection frame (100) and the right protection frame (110).

4. A lithium battery pack charging device according to claim 1, characterized in that: A limiting hole is provided at the bottom of the top plate (240), and the top end of the winding post (220) is embedded and installed in the limiting hole.

5. The lithium battery pack charging device according to claim 1, characterized in that: The connecting wire (130) is wound and connected to the side wall of the winding pole (220).

6. A lithium battery pack charging device according to claim 1, characterized in that: The positioning rod (170) is inserted into a positioning hole (160) installed on the plug board (140) through a positioning hole (160) on the right protection frame (110).

7. A lithium battery pack charging device according to claim 1, characterized in that: The side walls of the left protection frame (100) and the right protection frame (110) are symmetrically provided with mounting holes and through holes, and the mounting holes are communicated with the through holes.

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