CN217361788U

CN217361788U - Battery pack for electric tool

Info

Publication number: CN217361788U
Application number: CN202220149872.4U
Authority: CN
Inventors: 王金运
Original assignee: Shenzhen Jinjunye Electronics Co ltd
Current assignee: Shenzhen Jinjunye Electronics Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-09-02
Anticipated expiration: 2032-01-20

Abstract

The utility model provides an electric tool battery pack, which comprises a housing, wherein the housing is divided into a main body box and an upper cover, the upper cover is fixedly arranged on the main body box to form a containing bin, a battery cell left support and a battery cell right support are embedded in a clamping position in the containing bin of the main body box, a PCB mainboard is matched by designing the battery cell support, the battery cell clamping is embedded with positive and negative pole elastic pieces, and meanwhile, the battery cell supports with different distances can be designed according to different battery models to adapt to the loading of various battery cells; the battery pack can be charged more quickly by adopting the type-c quick charging assembly, and meanwhile, the mobile phone can also be charged through the type-c interface on the lithium battery pack; the outside sets up the grafting window of positive and negative binding post, and the cooperation button couple, the joint that can be quick to the equipment that needs the power can design specific battery package joint mode and size according to the equipment of difference simultaneously, can realize the swift replacement of dismantling of battery package.

Description

Battery pack for electric tool

Technical Field

The utility model relates to a battery technology field, in particular to electric tool battery package.

Background

Because lithium batteries have high energy, long service life, low carbon and environmental protection, along with the requirement of low carbon and environmental protection, and along with the development of scientific technology, lithium batteries have become main flow batteries and are increasingly widely required, when lithium batteries (such as 18650 batteries, 5 batteries, 7 batteries and the like) are designed to be electrically connected in series for use, the design requirement is considered that the applicable protection level reaches more than IP67, and the requirement of quick disassembly and replacement of batteries is also considered.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electric tool battery package to prior art's problem, designs electric core and holds box and quick detach buckle structure, solves current technical problem.

The utility model aims at realizing through the following technical scheme:

a battery pack for an electric tool comprises a shell which is divided into a main body box and an upper cover, the upper cover is fixedly arranged on the main body box to form a containing bin, a battery cell left bracket and a battery cell right bracket are embedded in the clamping position in the accommodating bin of the main body box, the battery cell left bracket and the battery cell right bracket are fixedly connected through a screw column, and a battery cell installing bin is formed in the middle, the left side surface of the left bracket of the electric core is fixedly provided with an anode elastic sheet, the right bracket of the electric core is fixedly provided with a cathode elastic sheet corresponding to the anode elastic sheet, a PCB mainboard is fixedly arranged on the upper side of the left support of the battery cell, the positive elastic piece and the negative elastic piece are respectively and electrically connected with the PCB mainboard, the PCB main board is also fixedly provided with a positive connecting terminal and a negative connecting terminal, the upper ends of the positive connecting terminal and the negative connecting terminal are embedded in the terminal frame, the upper cover is provided with a plug-in window corresponding to the positive and negative wiring terminals, and the upper cover is further provided with a clamping assembly.

Further, still including setting up the type-c that holds storehouse one side at the main part box and fill the subassembly soon, type-c fills the subassembly soon including charging mainboard, pilot lamp, type-c interface are integrated respectively on the mainboard that charges, the mainboard that charges is connected with the PCB mainboard electricity, and the main part box corresponds type-c and fills the subassembly position soon and be provided with interface and pilot lamp window.

Furthermore, the positive elastic pieces and the negative elastic pieces are arranged in groups, and the number of the groups is one or more.

Furthermore, the clamping assembly is a key hook buckle, and the bottom of the key hook buckle is provided with a spring support which is movably fixed at a corresponding position of the upper cover.

Furthermore, the clamping assembly comprises a left button hook, a right button hook and a pressing plate, the left button hook and the right button hook are fixed at corresponding positions of the upper cover by the pressing plate, and a spring is arranged between the left button hook and the right button hook and is outwards propped open.

The beneficial effects of the utility model reside in that:

the utility model discloses do further design at traditional battery package, through designing electric core support cooperation PCB mainboard, positive negative pole shell fragment is embedded into to the electric core joint, can design the electric core support of different distances simultaneously according to different battery models, adapts to multiple electric core and packs into; the battery pack can be charged fully by adopting the type-c quick charging assembly, and meanwhile, the mobile phone can also be charged through the type-c interface on the lithium battery pack; the outside sets up the grafting window of positive and negative binding post, and the cooperation button couple, the joint that can be quick to the equipment that needs the power can design specific battery package joint mode and size according to the equipment of difference simultaneously, can realize the swift replacement of dismantling of battery package.

Drawings

FIG. 1 is a schematic view of a battery pack of the electric tool of the present invention;

FIG. 2 is a schematic diagram of a first clamping assembly of the present invention;

fig. 3 is a schematic diagram of an implementation structure of the second clamping assembly of the present invention.

The reference numerals are explained below:

1 is the main part box, 2 is the upper cover, 3 is electric core left socle, 4 is electric core right branch frame, 5 is anodal shell fragment, 6 is the negative pole shell fragment, 7 is the PCB mainboard, 8 is positive and negative binding post, 9 is the terminal frame, 10 is the grafting window, 11 is the mainboard that charges, 12 is the pilot lamp, 13 is type-c interface, 14 is the button couple buckle, 15 is left button couple, 16 is right button couple, 17 is the clamp plate.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In order to replace the electric core, quick disconnect etc, the utility model discloses specific content is as follows.

As shown in the figure 1, the embodiment of the utility model is an electric tool battery pack, which comprises a shell, and importantly, the shell is divided into a main body box 1 and an upper cover 2, the upper cover 2 is fixedly arranged on the main body box 1 to form a containing bin, a cell left support 3 and a cell right support 4 are embedded in the containing bin of the main body box 1, the middle of the cell left support 3 and the cell right support 4 is fixedly connected through a screw column, and the middle of the cell installing bin is formed, a positive elastic sheet 5 is fixedly arranged on the left side surface of the cell left support 3, a negative elastic sheet 6 corresponding to the positive elastic sheet is fixedly arranged on the cell right support 4, a cell battery is clamped between the positive elastic sheet 5 and the negative elastic sheet 6, and the cell battery can be quickly replaced by detaching the upper cover 2 without fixed connection, meanwhile, the cell supports with different distances can be designed according to different battery models, so that the cell support is suitable for loading of various cells;

a PCB mainboard 7 is fixedly arranged on the upper side of the left battery cell support 3, a positive elastic sheet 5 and a negative elastic sheet 6 are respectively electrically connected with the PCB mainboard 7, a positive connecting terminal 8 and a negative connecting terminal 8 are also fixedly arranged on the PCB mainboard 7, the upper ends of the positive connecting terminal 8 and the negative connecting terminal 8 are embedded into a terminal frame 9, the terminal frame 9 is made of an insulating material, an inserting window 10 corresponding to the positive connecting terminal 8 and the negative connecting terminal 8 is arranged on the upper cover 2, the circuit connection of a battery cell is mainly realized, and the positive connecting terminal 8 and the negative connecting terminal 8 realize quick inserting, electrifying, power supply, dismounting and replacement; the upper cover 2 is also provided with a clamping component, so that the battery pack can be quickly clamped to equipment needing a power supply, and meanwhile, the clamping mode and the size of the battery pack can be designed according to different equipment, and the battery pack can be quickly disassembled and replaced.

More specifically, the charger further comprises a type-c quick charging assembly arranged on one side of the accommodating bin of the main body box 1, wherein the type-c quick charging assembly comprises a charging main board 11, an indicator lamp 12 and a type-c interface 13; wherein, pilot lamp 12, type-c interface 13 are integrated respectively on mainboard 11 charges, and mainboard 11 charges is connected with PCB mainboard 7 electricity, realizes the charge control to electric core, and main part box 1 corresponds type-c and fills the subassembly position soon and be provided with interface and pilot lamp window.

More specifically, the positive electrode spring pieces 5 and the negative electrode spring pieces 6 are arranged in groups, the number of the groups is one or more, and the groups can be correspondingly clamped into a plurality of cell batteries.

More specifically, with reference to fig. 2, a first snap-in assembly embodiment: the clamping component is a key hook buckle 14, the bottom of the key hook buckle 14 is provided with a spring support which is movably fixed at the corresponding position of the upper cover 2, and after the hook is pressed down, the spring can enable the key hook buckle 14 to return.

More specifically, with reference to fig. 3, a second snap-in assembly embodiment: the clamping component comprises a left key hook 15, a right key hook 16 and a pressing plate 17; wherein, the left key hook 15 and the right key hook 16 are fixed at corresponding positions of the upper cover 2 by a pressing plate 17, a spring is arranged between the left key hook 15 and the right key hook 16 to be outwards expanded, and the spring can enable the left key hook and the right key hook to return after the hooks are pressed and lowered.

The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims

1. A power tool battery pack, includes shell, its characterized in that: the shell divide into main part box and upper cover, upper cover fixed mounting forms on the main part box and holds the storehouse, the main part box holds the interior screens embedding of storehouse and is provided with electric core left socle and electric core right branch frame, form electric core installation storehouse through screw post fixed connection and centre in the middle of electric core left socle and the electric core right branch frame, the fixed positive shell fragment that is provided with of electric core left socle left surface, the fixed negative pole shell fragment that corresponds positive shell fragment that is provided with of electric core right branch frame, the fixed PCB mainboard that is provided with of electric core left socle upside, positive shell fragment, negative pole shell fragment are connected with PCB mainboard electricity respectively, still fixed positive and negative binding post that is provided with on the PCB mainboard, in the positive and negative binding post upper end inlays the end sub-frame, on cover and be provided with the grafting window that corresponds positive and negative binding post, the upper cover still is provided with the joint subassembly.

2. The power tool battery pack of claim 1, wherein: still fill the subassembly soon including setting up the type-c that holds storehouse one side at the main part box, the subassembly is filled soon to type-c is including charging mainboard, pilot lamp, type-c interface are integrated respectively on the mainboard that charges, the mainboard that charges is connected with the PCB mainboard electricity, and the main part box corresponds type-c and fills the subassembly position soon and be provided with interface and pilot lamp window.

3. The power tool battery pack of claim 1, wherein: the positive elastic sheet and the negative elastic sheet are arranged in groups, and the number of the groups is one or more.

4. The power tool battery pack of claim 1, wherein: the clamping component is a button hook buckle, and the bottom of the button hook buckle is provided with a spring support movably fixed at the corresponding position of the upper cover.

5. The power tool battery pack of claim 1, wherein: the clamping component comprises a left key hook, a right key hook and a pressing plate, the left key hook and the right key hook are fixed at corresponding positions of the upper cover by the pressing plate, and a spring is arranged between the left key hook and the right key hook and is outwards expanded.