CN218827531U

CN218827531U - Lithium battery

Info

Publication number: CN218827531U
Application number: CN202222932432.9U
Authority: CN
Inventors: 蒋胜伟; 蒋小华
Original assignee: Shenzhen Hanhailong Technology Co ltd
Current assignee: Shenzhen Hanhailong Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-07
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a lithium battery, which comprises an upper cover and a lower shell detachably connected with the upper cover, wherein four corners of the upper cover are arc-shaped, two opposite corners at the top of the upper cover are provided with battery poles, the battery poles are in a curved surface structure corresponding to the arc-shaped upper cover, and the battery poles expose two wiring holes; the four corners of inferior valve can be dismantled and be provided with curved surface arc angle bead. Compared with the prior art, the utility model discloses be convenient for the dismouting maintain, reduced manufacturing cost, promoted battery security performance.

Description

Lithium battery

Technical Field

The utility model relates to a new forms of energy storage battery technical field, in particular to lithium cell.

Background

Current deposit type lithium cell, the shell all adopts lead acid battery shell basically, adopts traditional structure technology mode to make, and the single screw of outside battery utmost point post is connected, because of under the prerequisite of equal voltage and capacity, adopts the lithium electricity preparation, packs into lead acid battery shell, can more or less all be some surplus in the space, in this time, just need fill with EVA, leads to manufacturing cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lithium cell, aims at being convenient for the dismouting maintenance, reduction in production cost, promotion battery security performance.

In order to achieve the purpose, the utility model provides a lithium battery, which comprises an upper cover and a lower shell detachably connected with the upper cover, wherein four corners of the upper cover are arc-shaped, two opposite corners at the top of the upper cover are provided with battery poles, the battery poles are in a curved surface structure corresponding to the arc-shaped upper cover, and the battery poles expose two wiring holes; the four corners of inferior valve can be dismantled and be provided with curved surface arc angle bead.

The utility model discloses a further technical scheme is, the angle bead with the inferior valve buckle is connected.

The utility model discloses a further technical scheme be, still including rotate set up in the handle of covering on, on cover and be provided with and be used for accomodating the groove of accomodating of handle.

The utility model discloses a further technical scheme is, the inside BMS that is provided with of upper cover.

The utility model discloses a further technical scheme is, the bottom of upper cover is provided with the boss structure all around, the top of inferior valve be provided with all around with the corresponding recess of boss structure.

The utility model discloses a further technical scheme is, the upper cover with be provided with the waterproof sealing washer of silica gel between the inferior valve.

The utility model discloses the beneficial effect of lithium cell is: the utility model adopts the technical scheme that the battery pole comprises an upper cover and a lower shell detachably connected with the upper cover, four corners of the upper cover are arc-shaped, two opposite corners of the top of the upper cover are provided with battery poles, the battery poles are of curved surface structures corresponding to the arc-shaped upper cover, and the battery poles expose two wiring holes; the four corners of inferior valve can be dismantled and be provided with curved surface arc angle bead, the dismouting of being convenient for is maintained, manufacturing cost has been reduced, has promoted battery security performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a lithium battery of the present invention;

fig. 2 is a schematic view of an exploded structure of a lithium battery according to the present invention;

fig. 3 is a schematic view of a battery post;

fig. 4 is a schematic structural view of the corner protector.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Upper cover	70	Storage groove
20	Lower casing	80	Handle fixing buckle
				30	Battery pole	90	Lifting installation shaft
40	Wiring hole	100	Silica gel waterproof sealing ring
				50	Corner protector	110	Sealing rubber plug
60	Lifting handle

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a lithium battery, which includes an upper cover 10 and a lower shell 20 detachably connected to the upper cover 10, wherein four corners of the upper cover 10 are arc-shaped, two opposite corners of the top of the upper cover 10 are provided with battery posts 30, the battery posts 30 are curved surfaces corresponding to the arc-shaped upper cover 10, and the battery posts 30 expose two wiring holes 40; the four corners of the lower shell 20 are detachably provided with curved arc-shaped corner protectors 50.

In this embodiment, this lithium cell includes upper cover 10, inferior valve 20, battery utmost point post 30 and angle bead 50, has adopted the assembly process of non-traditional type to make, and the inner space is compressed extremely, and the size space of every position is just right control, need not other auxiliary materials to fill, and then reduction in production cost.

The battery post 30 adopts a curved surface design, not only is highly matched with the upper cover 10, but also saves a certain space, and two wiring holes 40 are exposed, thereby ensuring flexible multi-string and multi-parallel battery packs and meeting the use requirements of users on high voltage and high capacity as much as possible. In this embodiment, the battery post 30 may be connected by fixing a boss or a sleeve.

In this embodiment, the corner protector 50 is connected to the lower case 20 by a snap fit.

The lower casing 20 is protected by four corner protectors 50, wherein the corner protectors 50 are designed in a curved surface arc shape, and are provided with buckling positions, so that the buckling process assembly is carried out, the disassembly is simple, the installation is convenient, the appearance is attractive, and the damage rate of products falling to the ground is reduced. In this embodiment, the corner protector 50 may also be assembled by using a soft glue or adhesive process.

In this embodiment, the lithium battery further includes a handle 60 rotatably disposed on the upper cover 10, and the upper cover 10 is provided with a receiving groove 70 for receiving the handle 60. In specific implementation, a handle fixing buckle 80 may be disposed in the upper cover 10, a handle mounting shaft 90 is disposed on the handle fixing buckle 80, and two ends of the handle 60 are connected to the corresponding handle mounting shafts 90, so that the handle 60 is mounted on the upper shell.

Wherein, accomodate the structural design of groove 70 adoption indent, will handle 60 carry on the inserted with upper cover 10 combines together, both be convenient for protect the functional display screen of upper cover 10 installation, also be rich in the molding simultaneously, promote the aesthetic property.

In this embodiment, a BMS (not shown) is provided inside the upper cover 10. This embodiment fixes the BMS inside the upper cover 10, thus well separating the battery modules, and further improving the safety of the battery pack.

Further, in this embodiment, the bottom of upper cover 10 is provided with boss structure all around, the top of inferior valve 20 be provided with all around with the corresponding recess of boss structure, upper cover 10 with be provided with waterproof sealing washer 100 of silica gel between the inferior valve 20.

In this embodiment, the upper cover 10 adopts the design of boss structure, the lower casing 20 sets up corresponding recess, makes the upper cover 10 with the assembly of lower casing 20 is more firm reliable. In addition, this embodiment through the upper cover 10 with set up between the inferior valve 20 waterproof sealing washer of silica gel 100 has promoted the compactness and the waterproof performance of whole lithium cell.

It is following right the utility model discloses the structure assembly and the effect principle of lithium cell explain in detail.

The utility model discloses the housing design of lithium cell, the equipment of subversion, BMS board and other functional accessories, integrated equipment are in inside the upper cover 10, be equivalent to a module subassembly, only reserve B-connection copper bar, and total anodal connection copper bar, then place the module on the inside support bone position of upper cover 10, ensure gapped between module and the BMS board, can not hug closely, install on the module B-connection copper bar, reach the module B + and connect the copper bar to screw up and target in place.

Then, the lower case 20 is installed, the battery module is sleeved in, and finally combined with the upper cover 10, the slot positions are accurately butted in place, the whole lithium battery is turned over, the upper cover 10 and the lower case 20 are fixed through screws, and the screw holes are plugged through the sealing rubber plugs 110, so that the waterproof performance is improved.

In this embodiment, two battery utmost point posts 30 of the oblique diagonal angle of upper cover 10 all have two M8's screw, are convenient for nimble cluster group battery and use to promoted bigger overflowing, stopped because of overflowing too big, lead to battery utmost point post 30 to be burnt out, or the risk that the connecting harness is burnt out.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A lithium battery is characterized by comprising an upper cover and a lower shell detachably connected with the upper cover, wherein four corners of the upper cover are arc-shaped, two opposite corners of the top of the upper cover are provided with battery poles, the battery poles are of a curved surface type structure corresponding to the arc-shaped upper cover, and the battery poles expose two wiring holes; the four corners of inferior valve can be dismantled and be provided with curved surface arc angle bead.

2. The lithium battery of claim 1, wherein the corner protector is snap-fit to the lower case.

3. The lithium battery of claim 1, further comprising a handle rotatably disposed on the upper cover, wherein the upper cover is provided with a receiving groove for receiving the handle.

4. The lithium battery as claimed in claim 1, wherein a BMS is provided inside the upper cover.

5. The lithium battery of claim 3, wherein a boss structure is formed around the bottom of the upper cover, and a groove corresponding to the boss structure is formed around the top of the lower case.

6. The lithium battery of claim 5, wherein a silicone waterproof gasket is disposed between the upper cover and the lower case.