Charging box of lithium battery pack

Abstract

The utility model relates to the technical field of lithium battery charging, and discloses a charging box of a lithium battery pack. The cover plate is matched with the box body to form an accommodating cavity for placing a lithium battery pack, and an opening is formed in the front side of the accommodating cavity; the multiple sets of elastic connecting pieces are arranged on the outer wall of the box body in the circumferential direction, each elastic connecting piece comprises a connecting screw rod and a spring, the threaded section of each connecting screw rod penetrates through the cover plate and is in threaded connection with the box body, each spring is arranged on the corresponding connecting screw rod in a sleeving mode, one end of each spring abuts against the cover plate, and the other end of each spring abuts against the box body. The other end of the spring abuts against the box body. The threaded connecting piece is used for being connected with the charging bin; the handle is arranged on the side wall, facing the opening, of the box body. The beneficial effects of the utility model are that: can be applicable to the transportation fixing of different specifications of lithium battery pack, the versatility is good, and the fixed structure is provided with between the charging cabin and the lithium battery pack, facilitates the quick location when connecting the lithium battery pack and the charging cabin.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery charging technical field especially relates to a charging box of lithium battery group. BACKGROUND

[0002] Lithium battery group is the battery system that a plurality of lithium battery monomer is combined through specific connection and packaging mode, when charging lithium battery group, for the convenience of shifting lithium battery group to charging bin, generally through corresponding charging box fixes lithium battery group, then whole charging box is shifted to charging bin and charges, because the appearance of different specifications lithium battery group is different, the existing charging box can only fix and transport one kind of specification lithium battery group, and the commonality is poor. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a charging box of lithium battery group can be applicable to the carrying and fixing of lithium battery group of different specifications, has good commonality, and has fixing structure between the charging bin, and is convenient for quick positioning when the lithium battery group and the charging bin are connected.

[0004] In order to realize the above-mentioned purpose, the utility model provides a charging box of lithium battery group, including:

[0005] Box body;

[0006] Cover plate, the cover plate is located above the box body, the cover plate and the box body cooperate and form the containing cavity for placing lithium battery group, and the front side of the containing cavity is equipped with the opening;

[0007] Multiple sets of elastic connecting pieces are arranged circumferentially on the outer wall of the box body, the elastic connecting piece includes connecting screw rod, spring, the threaded section of the connecting screw rod penetrates the cover plate and is threadedly connected with the box body, the spring is sleeved on the connecting screw rod, one end of the spring is located on the cover plate, the other end of the spring is located on the box body, and the spring has the tendency to push the cover plate away from the box body;

[0008] Threaded connecting piece, be equipped with the box body, be used for and the connection of charging bin;

[0009] Handle, one side wall of the box body towards the opening is equipped with the handle.

[0010] Further, the outer wall of the box body is circumferentially provided with a mounting boss, and a threaded hole corresponding to the connecting screw rod is arranged on the mounting boss.

[0011] Further, a cross slot or a slot is formed in the top of the connecting screw rod.

[0012] Further, the number of the threaded connectors is 2, and the threaded connectors are symmetrically arranged on a side wall of the box body facing the opening.

[0013] Further, the number of the elastic connectors is at least 4, and the elastic connectors are circumferentially distributed on the outer wall of the box body.

[0014] Further, the side wall of the box body is provided with heat dissipation holes.

[0015] Further, the heat dissipation holes are in the shape of a racetrack or a circle.

[0016] Further, the four corners of the periphery of the cover plate are chamfered.

[0017] Compared with the prior art, the charging box for lithium battery packs has the beneficial effects that: the cover plate and the box body cooperatively form a containing cavity for placing the lithium battery packs, the front side of the containing cavity is provided with an opening, which is beneficial to placing the lithium battery packs, a plurality of elastic connectors are arranged, the elastic connector comprises a connecting screw rod and a spring, the connecting screw rod can compress the spring by being rotated, the distance between the cover plate and the box body is adjusted, and thus the fixing of lithium battery packs of different specifications is realized, and the lithium battery packs are easy to be disassembled after charging is completed. In addition, the threaded connectors are arranged, the threaded connectors can be fixedly connected with the charging bin, and the lithium battery packs and the charging bin are quickly positioned when being connected. Moreover, the handle is arranged, and the whole charging box and the lithium battery packs are convenient to carry. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the charging box for lithium battery packs of the utility model embodiment;

[0019] Figure 2 is a state reference view of the charging box for lithium battery packs of the utility model embodiment;

[0020] Figure 3 is an installation schematic view of the charging box for lithium battery packs of the utility model embodiment when charging.

[0021] In the figure, 1, box body; 11, installation boss; 12, heat dissipation hole; 2, cover plate; 3, containing cavity; 31, opening; 4, elastic connector; 41, connecting screw rod; 42, spring; 5, threaded connector; 6, handle; a, lithium battery pack; b, charging bin. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model will be further described in detail in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0023] In the description of the utility model, it should be understood that the position or location relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer" and the like in the utility model is based on the position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices and elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] As shown in Figure 1 , Figure 3 , the utility model discloses a charging box of lithium battery group, is used for fixing lithium battery group a, then with lithium battery group whole charging box is put into charging storehouse b, after charging storehouse a is fixed with charging box, lithium battery group a and the charging interface of charging storehouse b are communicated, and lithium battery group a is charged.The charging box of lithium battery group includes box body 1, cover plate 2, multiple elastic connecting pieces 4, threaded connecting piece 5 and handle 6. Among them, cover plate 2 is located above box body 1, cover plate 2 and box body 1 cooperate and form the containing cavity 3 for placing lithium battery group, and the front side of containing cavity 3 is provided with opening 31, which facilitates the taking and placing of lithium battery group.Multiple elastic connecting pieces 4 are circumferentially arranged on the outer wall of box body 1, which are used in cooperation with cover plate 2 to fix the lithium battery group in containing cavity 3. Specifically, referring to Figure 1 , Figure 2 , elastic connecting piece 4 includes connecting screw 41 and spring 42, wherein the threaded section of connecting screw 41 penetrates cover plate 2 and is threadedly connected with box body 1, spring 42 is sleeved on connecting screw 41, one end of spring 42 abuts against cover plate 2, the other end of spring 42 abuts against box body 1, and spring 42 has a tendency to push cover plate 2 away from box body 1.When fixing the lithium battery group, referring to Figure 1 , Figure 2 , first put the lithium battery group into containing cavity 3, so that the front end of the lithium battery group is flush with opening 31, at this time, rotate each connecting screw 41, compress spring 42, and make cover plate 2 move downward to compress the lithium battery group, so as to fix lithium battery groups of different specifications.

[0025] In order to facilitate the position fixing when the charging box is connected with the charging storehouse, and facilitate the quick positioning when the lithium battery group is connected with the charging storehouse, referring to Figure 1 , Figure 2 , threaded connecting piece 5 is arranged on box body 1 for connecting with the charging storehouse, and the charging storehouse is provided with screw holes corresponding to threaded connecting piece 5.Further, in order to fix the position when the charging box is connected with the charging storehouse, referring to Figure 2 , the number of threaded connecting piece 5 is 2, and symmetrically arranged on the side wall of box body 1 facing opening 31.

[0026] Further, in order to facilitate the carrying of the charging box and the lithium battery group as a whole, referring to Figure 1、 Figure 2 The side wall of the box body 1 facing the opening 31 is provided with a handle 6.

[0027] Further, in order to facilitate the connection between the box body 1 and the connecting screw 41, in the embodiment, referring to Figure 1 、 Figure 2 The outer wall of the box body 1 is circumferentially provided with a mounting boss 11, and the mounting boss 11 is provided with a threaded hole corresponding to the connecting screw 41. The threaded section of the connecting screw 41 is arranged in the threaded hole, and the connecting screw 41 is rotated to adjust the distance between the cover plate 2 and the box body 1, thereby pressing the lithium battery pack against the cover plate 2. Further, in order to facilitate the tightening or loosening of the connecting screw 41, a cross slot or a slot is formed at the top of the connecting screw 41, and a cross screwdriver or a slot screwdriver can be used to tighten or loosen the connecting screw 41. Further, in order to make the force between the lithium battery pack and the cover plate 2 uniform when the lithium battery pack is pressed, the number of elastic connecting members 4 is at least 4 groups, and is uniformly distributed on the outer side wall of the box body 1.

[0028] Further, in some embodiments, in order to facilitate heat dissipation when the lithium battery pack is charging, referring to Figure 1 、 Figure 2 A heat dissipation hole 12 is formed in the side wall of the box body 1. Further, in order to facilitate the processing of the heat dissipation hole 12, the heat dissipation hole 12 is in the shape of a racetrack or a circle.

[0029] Further, in the embodiment, the box body 1 and the cover plate 2 can be made of metal material or can be injection molded from plastic with good hardness. Further, in the embodiment, referring to Figure 1 、 Figure 2 Since the size of the cover plate 2 in the horizontal plane is larger than the size of the box body 1, in order to avoid the four corners of the cover plate 2 from being knocked or injured during transportation, the four corners of the cover plate 2 are chamfered.

[0030] In summary, the embodiment of the utility model provides a charging box for lithium battery pack. The cover plate 2 and the box body 1 cooperate to form a containing cavity 3 for placing the lithium battery pack. The front side of the containing cavity 3 is provided with an opening 31, which is beneficial for placing the lithium battery pack. A plurality of elastic connecting members 4 are arranged, and the elastic connecting member 4 includes a connecting screw 41 and a spring 42. The connecting screw 41 is rotated to compress the spring 42, thereby adjusting the distance between the cover plate 2 and the box body 1, and further fixing the lithium battery pack of different specifications, and facilitating the disassembly after the lithium battery pack is charged. In addition, the threaded connecting member 5 is arranged, which is fixedly connected with the charging bin, thereby facilitating the quick positioning when the lithium battery pack is connected with the charging bin. Furthermore, the handle 6 is arranged, thereby facilitating the transportation of the charging box and the lithium battery pack.

[0031] The above merely is the preferred implementation form of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A charging case for a lithium battery pack, characterized by: The utility model relates to a lithium battery pack charging box, including Box body; Cover plate, the cover plate is located above the box body, the cover plate and the box body cooperation form the accommodation cavity for placing lithium battery pack, the front side of the accommodation cavity is equipped with the opening; Multiple sets of elastic connecting pieces are circumferentially arranged on the outer wall of the box body, the elastic connecting piece includes connecting screw rod, spring, the threaded section of the connecting screw rod is threaded through the cover plate and is connected with the box body, the spring is sleeved on the connecting screw rod, one end of the spring is located in the cover plate, the other end of the spring is located in the box body, the spring has the tendency of pushing the cover plate away from the box body movement; Threaded connecting piece, be equipped with the box body for and charge the storehouse connection; Handle, the one side wall of the box body towards the opening is equipped with the handle.

2. The charging case for lithium batteries as claimed in claim 1, characterized in that: The outer wall of the box body is circumferentially provided with a mounting boss, and the mounting boss is provided with a threaded hole corresponding to the connecting screw rod.

3. The charging case for lithium batteries as claimed in claim 1, characterized in that: The top of the connecting screw rod is provided with a cross slot or a slot.

4. The charging case for lithium batteries as claimed in claim 1, wherein: The number of the threaded connecting piece is 2, and the side wall of the box body towards the opening is symmetrically arranged.

5. The charging case for lithium batteries as claimed in claim 1, wherein: The number of the elastic connecting piece is at least 4 groups, and is uniformly distributed on the outer wall of the box body.

6. The charging case for lithium batteries as claimed in claim 1, wherein: The side wall of the box body is provided with a heat dissipation hole.

7. The charging case for lithium batteries as claimed in claim 6, characterized in that: The shape of the heat dissipation hole is a racetrack shape or a circular shape.

8. The charging case for lithium batteries of claim 1, wherein: The four corners of the cover plate are chamfered.

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