CN210444035U

CN210444035U - Battery assembly for lithium electric tool

Info

Publication number: CN210444035U
Application number: CN201921158232.4U
Authority: CN
Inventors: 陈中流
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-01
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a battery pack for lithium electricity instrument, including battery case, adapter and connecting wire, be provided with lithium cell group in the battery case, be equipped with the interface that charges, switch and power output interface on the battery case, be equipped with power input interface, power output electrode and elastic buckle on the adapter, connecting wire one end links to each other with the power output interface of battery case, the other end links to each other with the power input interface of adapter. The utility model discloses owing to separate out the battery case from lithium electric tool to make the capacity of battery case no longer receive instrument organism size's restriction, people can be according to the quantity of the corresponding interior lithium cell of increase battery case of user demand when designing the battery case like this, and then improve the sustainable use time of lithium electric tool, simultaneously, the utility model discloses still designed one kind can be general in the adapter cartridge structure of multiple lithium electric tool, thereby improve the utility model discloses battery pack's commonality.

Description

Battery assembly for lithium electric tool

Technical Field

The utility model relates to a lithium electric tool technical field especially relates to a battery pack for lithium electric tool.

Background

The lithium electric tool is more and more favored by consumers because of the advantages of cleanness, environmental protection, convenient carrying, small volume, light weight, low noise, repeated use and the like, and is a new bright point in the tool industry. The lithium electric tool, as the name implies, needs the lithium cell to supply power promptly, and the lithium electric tool at present generally adopts the mode that the battery package cartridge was on the instrument organism to supply power, however because of the restriction of instrument organism size, the battery package is usually not big in capacity, and battery quantity is limited in it, and this just leads to the sustainable use time of lithium electric tool not long, generally uses 20-30 minutes in succession, and battery power is exhausted promptly, needs the rechargeable party to continue to use, has brought the inconvenience for user's continuous use for this reason, also does not benefit to user's going out to carry the use yet. Although there is a use mode of connecting the battery pack with the tool body through a connection cable so as to avoid the influence of the size of the tool body on the capacity of the battery pack, the connection cable is a special connection structure designed for a single type of lithium electric tool, and is only suitable for matching use of one lithium electric tool, but not universal, so that the universality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a sustainable use time that can increase lithium electric tool to facilitate the use, and structural design is reasonable, the commonality is strong, can be applicable to the battery pack who is connected the use with multiple lithium electric tool.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a battery pack for lithium electricity instrument, includes battery case, adapter and connecting wire, be provided with lithium cell group in the battery case, be equipped with interface, switch and the power output interface that charges on the battery case, be equipped with power input interface, power output electrode and elasticity buckle on the adapter, connecting wire one end with the power output interface of battery case links to each other, the other end with the power input interface of adapter links to each other.

Further, the elastic buckle comprises a buckle body and a spring used for keeping the buckle body exposed.

Furthermore, the buckle body comprises a buckling part and a button part which are arranged into a whole, and a first notch for exposing the buckling part and a second notch for exposing the button part are arranged on the top surface of the adapter.

Furthermore, the power output electrodes are arranged in parallel at intervals, one of the power output electrodes positioned on the two outer sides is an anode electrode, the other of the power output electrodes positioned on the two outer sides is a cathode electrode, and the power output electrode positioned in the middle can be either the anode electrode or the cathode electrode.

Furthermore, an electrode fixing seat for installing and positioning the power output electrode is arranged in the adapter, and a slot for exposing the power output electrode is arranged on the top surface of the adapter.

Furthermore, an insulating protection plate positioned on the lower side of the power output electrode is also arranged in the adapter.

Furthermore, a power input interface on the adapter is connected with the power output electrode through a lead.

Furthermore, the power input interface is arranged on the front end face of the adapter, the elastic buckle is arranged at the rear part of the adapter, and the power output electrode is positioned between the power input interface and the elastic buckle.

Furthermore, the battery box is also provided with at least one USB output interface.

Furthermore, the charging interface, the power switch, the power output interface and the USB output interface are connected with the lithium battery pack through wires.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an aspect is separated the battery case from lithium electric tool to make the capacity of battery case no longer receive instrument organism size's restriction, people can be according to the user demand and the quantity of the corresponding lithium cell that increases in the battery case like this when designing the battery case, and then improve the sustainable use time of lithium electric tool, convenience of customers's continuous use or go out to carry the use by this. The utility model discloses another aspect has designed one kind and can be general in the adapter cartridge structure of multiple lithium electric instrument according to the mounting means of current lithium electric instrument battery package, thereby improves the utility model discloses battery pack's commonality, further facilitate the use.

Drawings

Fig. 1 is a schematic perspective view of a battery pack for a lithium electric tool according to the present invention.

Fig. 2 is an exploded view of a battery pack for a lithium-ion power tool according to the present invention.

Fig. 3 is a schematic structural diagram of the adapter of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1 to fig. 3, the battery pack for the lithium electric tool according to the present embodiment includes a battery box 1, an adapter 2, and a connection line 3, a lithium battery pack 11 is disposed in the battery box 1, a charging interface 12, a power switch 13, and a power output interface 14 are disposed on the battery box 1, a power input interface 21, a power output electrode 22, and an elastic buckle 23 are disposed on the adapter 2, one end of the connection line 3 is connected to the power output interface 14 of the battery box 1, and the other end of the connection line is connected to the power input interface 21 of the adapter 2. For the convenience of connection, the two ends of the connecting wire 3 are respectively provided with an input connector 31 matching with the power output interface 14 of the battery pack 1 and an output connector 32 matching with the power input interface 21 of the adapter 2.

The elastic catch 23 includes a catch body 231 and a spring 232 to keep the catch body 231 exposed. The latch body 231 includes a latch portion 2311 and a button portion 2312 integrally provided, and a top surface of the adaptor 2 is provided with a first notch 201 for exposing the latch portion 2311 and a second notch 202 for exposing the button portion 2312.

The utility model discloses battery pack is when being connected the use with lithium electric tool, only need with adapter 2 cartridge to the mounting groove that lithium electric tool reserved can, during the installation, the contact of the electrode connection piece in power output electrode 22 on the adapter 2 and the lithium electric tool mounting groove to the realization switches on, in the reservation bayonet socket in the lithium electric tool mounting groove is buckled into to the buckle joint portion 2311 of buckle body 231 on the adapter 2, thereby realizes that the installation of adapter is fixed. When the adapter is dismantled to needs, only need press button portion 2312 of buckle body 231, make buckling part 2311 deviate from in the reservation bayonet socket of lithium electric tool mounting groove, then outwards extract the adapter can. Furthermore, the battery box in the battery component of the utility model can be sleeved in a backpack when in use, thereby being carried on the human body by the backpack.

The power output electrodes 22 are arranged side by side at intervals, one of the power output electrodes 22a on the two outer sides is a positive electrode, the other of the power output electrodes 22b on the two outer sides is a negative electrode, and the power output electrode 22c in the middle can be a positive electrode or a negative electrode. Because the interval of electrode connection piece exists differently in different lithium electric tool mounting grooves, so during adapter cartridge, can be according to actual conditions, correspond two power output electrode of a positive and a negative of selecting wherein and the contact of the electrode connection piece in the lithium electric tool mounting groove switches on to improve the suitability of this adapter.

An electrode fixing seat 24 for installing and positioning the power supply output electrode 22 is arranged in the adapter 2, a slot 203 for exposing the power supply output electrode 22 is arranged on the top surface of the adapter 2, and an insulating protection plate 25 positioned on the lower side of the power supply output electrode 22 is further arranged in the adapter 2.

The power input interface 21 on the adapter 2 is connected with the power output electrode 22 through a lead. The power input interface 21 is provided on the front end surface of the adapter 2, the elastic clip 23 is provided on the rear portion of the adapter 2, and the power output electrode 22 is located between the power input interface 21 and the elastic clip 23.

The battery box 1 is further provided with at least one USB output interface 15, and the USB output interface 15 can be used for charging external electronic devices. In addition, in this embodiment, the USB output interface 15 has two sizes, one large and one small, so as to be suitable for charging electronic devices with different specifications. Further, the charging interface 12, the power switch 13, the power output interface 14 and the USB output interface 15 are all connected to the lithium battery pack 11 through wires.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. A battery pack for a lithium electric tool, comprising a battery box, an adapter and a connecting wire, characterized in that: the lithium battery pack is arranged in the battery box, a charging interface, a power switch and a power output interface are arranged on the battery box, a power input interface, a power output electrode and an elastic buckle are arranged on the adapter, one end of the connecting wire is connected with the power output interface of the battery box, and the other end of the connecting wire is connected with the power input interface of the adapter.

2. A battery pack for a lithium electric tool according to claim 1, characterized in that: the elastic buckle comprises a buckle body and a spring used for keeping the buckle body exposed.

3. A battery pack for a lithium electric tool according to claim 2, characterized in that: the buckle body comprises a buckling part and a button part which are arranged into a whole, and a first notch for exposing the buckling part and a second notch for exposing the button part are arranged on the top surface of the adapter.

4. A battery pack for a lithium electric tool according to claim 1, characterized in that: the power output electrodes are arranged side by side at intervals, one of the power output electrodes positioned on the two outer sides is a positive electrode, the other of the power output electrodes positioned on the two outer sides is a negative electrode, and the power output electrode positioned in the middle can be a positive electrode or a negative electrode.

5. A battery pack for a lithium electric tool according to claim 1, characterized in that: the adapter is internally provided with an electrode fixing seat for installing and positioning the power output electrode, and the top surface of the adapter is provided with a slot for exposing the power output electrode.

6. The battery pack for a lithium electric tool according to claim 5, characterized in that: and an insulating protection plate positioned on the lower side of the power output electrode is also arranged in the adapter.

7. A battery pack for a lithium electric tool according to claim 1, characterized in that: and the power input interface on the adapter is connected with the power output electrode through a wire.

8. A battery pack for a lithium electric tool according to claim 1, characterized in that: the power input interface is arranged on the front end face of the adapter, the elastic buckle is arranged on the rear portion of the adapter, and the power output electrode is located between the power input interface and the elastic buckle.

9. A battery pack for a lithium electric tool according to claim 1, characterized in that: the battery box is also provided with at least one USB output interface.

10. A battery pack for a lithium electric tool according to claim 9, characterized in that: the charging interface, the power switch, the power output interface and the USB output interface are all connected with the lithium battery pack through wires.