CN210805895U

CN210805895U - Lithium battery shell and internal structure

Info

Publication number: CN210805895U
Application number: CN201922293051.9U
Authority: CN
Inventors: 张鑫泉; 朱敏权
Original assignee: Zhejiang Xupai Power Technology Co ltd
Current assignee: Zhejiang Xupai Power Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-19
Anticipated expiration: 2029-12-19

Abstract

A lithium battery shell and an internal structure relate to the technical field of lithium batteries; the upper cover and the lower cover are fixedly connected integrally through fixing screws and ultrasonic waves, an inward concave type charge-discharge interface and a lifting handle are arranged on the upper cover, and the lifting handle is fixed with the upper cover through a lifting handle point buckle and a locking screw; the lower cover in be provided with the support, connect through the buckle between the support, be provided with the fixed orifices on the support, the outside of support is provided with the guide post, the support passes through the screw with the lower cover and is connected with the guide post, there is the protection shield one side of support through stuck point fibre and screwed connection, the periphery of support is connected with the connection piece. The utility model discloses compare in the past and adopting the scheme of saving artifical time and material more, leave out 6 on the process, the material is retrencied more, reaches same effect, is gathered by the winding displacement of protection shield disconnect-type and is changed into fixed PCB board integral type and gather, has stopped that the battery uniformity is poor, reprocesses high scheduling problem.

Description

Lithium battery shell and internal structure

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to lithium battery shell and inner structure.

Background

At present, the electric bicycle is in a cluster, and all illegal vehicles are in a ratio of overspeed, overweight, overload and the like which are not enough, so that the national relevant regulation (GB 17761 and 2018) electric bicycle safety technical specifications clearly put forward some relevant requirements on the storage battery.

In the middle of the lithium battery assembling process, quite a plurality of working procedures are manually carried out at present, so that the working efficiency is low, the product quality is not guaranteed, and even the safety accidents of lithium battery products are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, reasonable in design, convenient to use's lithium cell shell and inner structure to prior art's defect and not enough.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises an upper cover, a lower cover, a fixing screw, an inwards concave type charge-discharge interface, a handle point buckle, a locking screw, a bracket, a buckle, a fixing hole, a guide column, a protection plate and a connecting plate; the upper cover and the lower cover are fixedly connected integrally through a fixing screw and ultrasonic waves, an inward concave type charge-discharge interface and a handle are arranged on the upper cover, and the handle is fixed with the upper cover through a handle point buckle and a locking screw; the lower cover in be provided with the support, connect through the buckle between the support, be provided with the fixed orifices on the support, the outside of support is provided with the guide post, the support passes through the screw with the lower cover and is connected with the guide post, there is the protection shield one side of support through stuck point fibre and screwed connection, the periphery of support is connected with the connection piece.

Furthermore, the upper cover and the lower cover adopt IP67 for water and dust prevention.

After the structure is adopted, the utility model discloses the beneficial effect who produces does:

1. the battery pack shell completely meets the requirements of the safety technical specification of the electric bicycle;

2. compared with the prior art, the method has the advantages that the scheme of saving more labor time and materials is adopted, 6 working procedures are omitted, the materials are more simplified, and the same effect is achieved;

3. on the product quality, the winding displacement collection of the separated type of the protection plate is changed into the integrated collection of the fixed type PCB, so that the problems of poor battery consistency, high repair and the like are avoided.

Drawings

FIG. 1 is an external structural view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a structural diagram of the bracket of the present invention.

Description of reference numerals:

the device comprises an upper cover 1, a lower cover 2, a fixing screw 3, a concave charging and discharging interface 4, a handle 5, a handle point buckle 6, a locking screw 7, a support 8, a buckle 9, a fixing hole 10, a guide column 11, a protection plate 12 and a connecting sheet 13.

Detailed Description

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 these drawings without inventive exercise.

Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the novel portable charging and discharging device comprises an upper cover 1, a lower cover 2, a fixing screw 3, a concave charging and discharging interface 4, a handle 5, a handle point buckle 6, a locking screw 7, a bracket 8, a buckle 9, a fixing hole 10, a guide column 11, a protection plate 12 and a connecting plate 13; the upper cover 1 and the lower cover 2 are fixedly connected with each other through fixing screws 3 and ultrasonic waves, the upper cover 1 is provided with a concave charging and discharging interface 4 and a handle 5, and the handle 5 is fixed with the upper cover 1 through a handle point buckle 6 and a locking screw 7; lower cover 2 in be provided with support 8, connect through buckle 9 between the support 8, be provided with fixed orifices 10 on the support 8, the outside of support 8 is provided with guide post 11, support 8 passes through the screw with lower cover 2 and is connected with guide post 11, there is protection shield 12 one side of support 8 through stuck point fibre and screwed connection, the periphery of support is connected with connection piece 13.

In operation of this embodiment, the external:

1. the shell is designed by adopting waterproof and dustproof IP67, so that the most afraid water inlet problem of the lithium battery is solved;

2. the upper cover and the lower cover are closed by using an ultrasonic wave and screw locking mode, so that the bearing performance of the battery is considered while the sealing performance is ensured;

3. the charge-discharge interface adopts an inward concave structure, and the positive and negative metal contact pieces are concealed, so that any risk of electric shock and short circuit is avoided;

4. the handle adopts a point-buckling type locking structure to ensure that the battery does not generate abnormal sound in the driving process of the vehicle, and the screw locking structures are arranged on the two sides of the handle to ensure that the battery does not fall off in the lifting process;

inside:

1. the bracket adopts a buckle structure, so that the structural stability is ensured, and meanwhile, the labor and the materials are saved;

2. the support and the shell adopt the forms of a guide column, a guide groove and a screw fixing point position, so that the support does not shake in the shell, and the stability is ensured;

3. the protective plate is fixed on the bracket in a mode of clamping point fibers and locking screws, so that poor contact of an electrical structure is avoided, and the structural stability and the stability of the electrical structure are ensured;

4. the connecting sheet is designed to be completely attached to the bracket structure, is foolproof and simple and convenient, and has electrical performance meeting the normal use requirement;

corresponding spaces are reserved in the battery pack, so that the stability and the heat dissipation condition of the product are ensured to the maximum extent under the condition of reducing filling materials;

this embodiment solves the following:

1. and the method conforms to the relevant national specifications, such as: the overall voltage does not exceed 60V, and the problems of electric shock resistance, wading performance, flame retardance and the like are solved;

2. the process and quality problem of assembly are fully considered in the product design process, and the original 16 processes are shortened to 9 processes in the production process, such as: shaping, film blowing, soldering tin, filling and the like, greatly quickening the production efficiency, and optimizing and omitting the original process which is easy to have quality problems; the consistency and stability of the product are improved.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery case and inner structure which characterized in that: the device comprises an upper cover, a lower cover, a fixing screw, an inwards concave type charge-discharge interface, a handle point buckle, a locking screw, a bracket, a buckle, a fixing hole, a guide column, a protection plate and a connecting plate; the upper cover and the lower cover are fixedly connected integrally through a fixing screw and ultrasonic waves, an inward concave type charge-discharge interface and a handle are arranged on the upper cover, and the handle is fixed with the upper cover through a handle point buckle and a locking screw; the lower cover in be provided with the support, connect through the buckle between the support, be provided with the fixed orifices on the support, the outside of support is provided with the guide post, the support passes through the screw with the lower cover and is connected with the guide post, there is the protection shield one side of support through stuck point fibre and screwed connection, the periphery of support is connected with the connection piece.

2. The lithium battery cell casing and internal structure of claim 1, wherein: the upper cover and the lower cover adopt IP67 to prevent water and dust.