CN217691520U

CN217691520U - Battery pack and electric tool thereof

Info

Publication number: CN217691520U
Application number: CN202221590937.5U
Authority: CN
Inventors: 许乃前; 柯亨钊; 张文宇; 王杰; 余康
Original assignee: Zhejiang Qixiang Technology Co Ltd
Current assignee: Zhejiang Qixiang Technology Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-28
Anticipated expiration: 2032-06-16

Abstract

The disclosure discloses a battery pack and an electric tool thereof, which are applied to the electric tool. The battery pack comprises a shell, wherein a connector assembly is arranged on the shell, and the shell is provided with a plug-in section which can be inserted into electric equipment; the electric connector assembly comprises a first electric connector and a second electric connector which are arranged on the plug section, the first electric connector is used for being electrically connected with the electric equipment, and the second electric connector is configured to be an expansion interface; when the plug section is inserted into the electric equipment, the first electric connector is electrically connected with the electric equipment, and the second electric connector is covered by the inner surface of the electric equipment, so that the second electric connector cannot be obtained. The power supply mode meter is adopted to replace the traditional power supply mode of the battery pack, the diversification of application scenes is realized, and the safety of the battery pack is improved.

Description

Battery pack and electric tool thereof

Technical Field

The disclosure relates to the technical field of batteries, in particular to a battery pack and an electric tool thereof.

Background

The cordless electric tool brings convenience in use, and is widely accepted by users, and the cordless electric tool can be used for multi-scene operation such as a pruner, a chain saw, a blower, a mower, an angle grinder, an electric drill, an electric hammer, a cutter and the like.

When the cordless electric tool is used, the battery pack is assembled, and the existing battery pack is only designed according to how to be matched with the electric tool, so that the function is single in application.

Technical personnel expand the functions of the battery pack, but the battery pack needs to be matched with an electric tool, so that the use safety of the battery pack needs to be considered again when the functions are expanded, and the prior art is lack of a solution.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present disclosure is to provide a battery pack, which can meet the requirement of multi-scenario use of a user on the premise of safety.

The present disclosure also provides an electric tool, wherein the battery pack is detachably mounted on the electric tool body to provide electric energy for the electric tool body.

In particular, the present disclosure provides a battery pack including a housing having an electrical connector assembly disposed thereon,

the shell is provided with an insertion section which can be inserted into electric equipment;

the electric connector assembly comprises a first electric connector and a second electric connector which are arranged on the plug section, the first electric connector is used for being electrically connected with the electric equipment, and the second electric connector is configured to be an expansion interface;

when the plug section is inserted into the electric equipment, the first electric connector is electrically connected with the electric equipment, and the second electric connector is covered by the inner surface of the electric equipment, so that the second electric connector cannot be obtained.

Optionally, the casing includes first terminal surface, works as after the plug-in components section inserts the consumer, first terminal surface butt the face at electric consumer electricity-taking interface place, first terminal surface has holds first electric connector's electric connection region, electric connector assembly still include the data line subassembly that at least part is located first terminal surface.

Optionally, the electrical connection region and the data line assembly are arranged in a double row.

Optionally, the data line assembly includes a data line body and a connecting portion, a first accommodating groove is formed in the first end face of the housing, and when the data line assembly is not used, the data line body and the connecting portion are both located in the first accommodating groove.

Optionally, the data line assembly includes a data line body and a connecting portion, the housing has a second end face adjacent to the first end face, the first end face is provided with a first accommodating groove, the second end face is provided with a second accommodating groove communicated with the first accommodating groove, and the data line body and the connecting portion are respectively located in the first accommodating groove and the second accommodating groove.

Optionally, the second end face is an arc-shaped face.

Optionally, the first accommodating groove and the second accommodating groove are both long-strip-shaped, and the width of the second accommodating groove is greater than that of the first accommodating groove.

Optionally, a fixed spacer is further disposed on the housing, the fixed spacer is located in the first accommodating groove and extends into the second accommodating groove, and the data line and the connecting portion are disposed around the fixed spacer.

Optionally, the data line assembly is not protruded from the surface of the housing when the data line assembly is embedded in the housing.

Optionally, an operating space is formed between the inner wall of the second accommodating groove and the end face of the connecting part at an interval, and is used for a user to take down the data line assembly.

In a second aspect of the present disclosure, a battery pack is provided, which includes a housing, an electrical connector assembly disposed on the housing,

the electric connector assembly comprises a first electric connector and a data line assembly, the first electric connector is arranged on the plug section and used for being electrically connected with the electric equipment, and at least part of the data line assembly is arranged on the plug section and is configured into an external charging interface;

when the plug section is inserted into the electric equipment, the first electric connector is electrically connected with the electric equipment, the first electric connector is covered by the inner surface of the electric equipment, and at least part of the data line assembly is covered by the inner surface of the electric equipment, so that the data line assembly cannot be obtained.

Optionally, the electrical connector assembly further includes a second electrical connector located at the plugging section, and the first electrical connector and the second electrical connector are respectively located on different surfaces of the housing.

In a third aspect of the present disclosure, an electric tool is provided, which includes an electric tool body and the above battery pack, where the battery pack is detachably mounted on the electric tool body to provide electric energy for the electric tool body.

The embodiment of the application achieves the main technical effects that:

in the device, the battery pack is provided with the expansion interface, and when the battery pack insertion section is not inserted into the electric equipment, the expansion interface can charge other electric equipment. When the battery pack inserting section is inserted into the electric equipment, the battery pack supplies power to the electric equipment, and the expansion interface is completely covered by the electric equipment. The power supply mode meter is adopted to replace the traditional power supply mode of the battery pack, the diversification of application scenes is realized, and the safety of the battery pack is improved.

In addition, among the above-mentioned device, the battery package has configured the data line subassembly to make things convenient for the battery package to use under the scene of difference, be different from current battery package, the utility model provides a battery package will connect to insert and use at the consumer, consequently need fully consider the space utilization of battery package itself to and the interference of data line to consumer, the utility model discloses the optimal design has been done to arranging of data line subassembly for the data line subassembly is more reasonable to the occupation in space, also lets the data line subassembly not disturb the work of consumer simultaneously, reduces the adaptation degree of difficulty between consumer and the data line subassembly.

Drawings

Fig. 1 is a schematic perspective view of a battery pack according to the present disclosure;

fig. 2 is a schematic illustration of a battery pack with a data line assembly removed according to the present disclosure;

fig. 3 is a schematic front view of a first end face of a battery pack according to the present disclosure;

FIG. 4 is a schematic left side view of FIG. three;

FIG. 5 is a schematic view of portion A of FIG. 4;

fig. 6 is a schematic diagram of a data line assembly of a battery pack of the present disclosure.

Description of the reference numerals

Battery pack 1

Case 100

Plug section 200

Electrical connection region 300

First end face 10

Second end face 20

First electrical connector 30

Second electrical connector 40

Data line assembly 50

The first receiving groove 510

Second receiving groove 520

Data line body 530

Connecting part 540

Spacing bar 550

Operation space 560

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more clearly understood, the following detailed description of the present disclosure is made with reference to the accompanying drawings and the detailed description of the present disclosure. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. The word "if," as used herein, may be interpreted as "at \8230; \8230when" or "when 8230; \823030when" or "in response to a determination," depending on the context.

In the embodiment described in the present disclosure, the battery pack 1 is applied to cordless electric equipment, the battery pack 1 supplies power to the electric equipment, and the battery pack 1 can be replaced, and the battery pack 1 can be widely applied to various electric tools, in particular to a pruner, a chain saw, a blower, a mower, an angle grinder, an electric drill, an electric hammer and a cutter. Since these electric power tools are held by hand during use, the battery pack 1 should be applied to the electric power tools with sufficient consideration for safety and compactness.

In addition, the battery pack 1 used in the electric power tool is left unused for a long time in a state where the electric power tool is not operated, and in order to enable the battery pack 1 to be used efficiently while considering safety and compactness requirements when the battery pack 1 is applied to the electric power tool, in the present disclosure, a battery pack is provided.

Referring to fig. 1 to 6, the battery pack 1 has a housing 100, and a battery cell assembly is mainly installed in the housing 100, and the size of the battery cell assembly constitutes the main volume of the entire battery pack 1, and the size of the housing 100 is determined based on the size of the battery cell assembly. When battery package 1 was suitable for electric tool, often offered on electric tool and supply battery package 1 male accommodation space, insert electric tool when battery package 1, then battery package 1 and electric tool are in the electric connection state, start corresponding switch, and electric tool can work promptly. The housing 100 has an electrical connector assembly and a plug section 200 that can be inserted into an electrical device, wherein the plug section 200 is a portion of the housing 100 that is completely covered after the electrical device is inserted. The electrical connector assembly includes a first electrical connector 30, a second electrical connector 40 and a data line assembly 50, wherein the first electrical connector 30 includes an interface for connecting with the power tool, the second electrical connector 40 is configured as an extended interface for charging devices other than the power tool, the data line assembly 50 is configured as a data line body 530 and a connection part 540 for charging the electrical devices, and of course, both the first electrical connector 30 and the second electrical connector 40 may have a function of charging the battery pack 1. In the embodiment, the function of the battery pack 1 adapted to the electric tool is expanded by additionally arranging the expansion interface and the data line assembly 50, and when the battery pack 1 is idle, the battery pack can be used as a power supply of other electric equipment.

Based on the expansion of the functions of the battery pack 1, in order to ensure the use safety of the battery pack 1, firstly, the problem of current overload of the battery pack 1 needs to be prevented, for this reason, in this embodiment, the electrical connector assembly is located at the position of the housing plug-in section 200, when the battery pack 1 is inserted into an electric tool, the first electrical connector 30, the second electrical connector 40 and the data line assembly 50 are all covered, when the first electrical connector 30 works, the second electrical connector 40 and the data line assembly 50 cannot be obtained and used by a user, the battery pack 1 always keeps only the first electrical connector 30 working, or only the second electrical connector 40 working, or only the data line assembly 50 working, and the situation that two or more devices discharge simultaneously does not occur, so that the situation that the overload of the battery pack 1 can be effectively prevented, wherein one of the two or more devices is an electric tool.

As a preferred embodiment of the first electrical connector 30.

Referring to fig. 1-4, the interface of the first electrical connector 30 is configured as an interface for being inserted into an electrical tool and electrically connected therewith, when the length of the end surface where the first electrical connector is located is sufficient, the interface of the first electrical connector and the interface of the second electrical connector may be arranged in the same row, so as to form an electrical connection area, the electrical connection area is located on the first end surface 10 of the housing, when the battery pack 1 supplies power to the electrical tool, the first end surface 10 is fully abutted to the surface where the power taking port of the electrical tool is located, and the interface of the first electrical connector 30 and the power taking port of the electrical tool are in an electrical connection state. In this embodiment, the interface type of the first electrical connector 30 may be a pin-type female socket interface.

As a preferred embodiment of the second electrical connector 40.

Referring to fig. 1-4, the second electrical connector 40 is configured to be used for docking an external data line to provide an electric energy expansion interface for an electrical device except an electric tool, the second electrical connector 40 is configured with at least two different expansion interfaces, when the length and the width of the end face where the second electrical connector is located are sufficient, the interfaces of the second electrical connector can be arranged side by side, an electrical connection area is formed, the electrical connection area is located on the first end face 10 of the housing, when the battery pack 1 supplies power for the electric tool, the first end face 10 is sufficiently abutted to the face where the electric tool power taking port is located, and the second electrical connector 40 is sufficiently abutted to the face where the electric tool power taking port is located and cannot be obtained. In this embodiment, the second electrical connector 40 has different interface types and can be configured as a USB female socket interface and a Type-C female socket interface. The second electric connector 40 adopts two different grade Type interfaces for letting battery package 1 can the adaptation different grade Type consumer, when battery package 1 was idle, the female seat interface of USB and the female seat interface of Type-C can regard as the interface of getting of other consumer to further strengthen the function of battery package 1 as other consumer power, also can discover, three interface all can not discharge simultaneously and charge the work again.

In the above embodiment, since the battery pack 1 is to be applied to an electric tool, a discharge interface for the electric tool needs to be disposed on the first end surface 10, and three different types of interfaces arranged in a row are designed to make full use of the space of the first end surface 10 and enable the battery pack 1 to be adapted to different types of electric tools. The female seat interface of USB and the female seat interface of Type-C in the second electric connector 40 can provide the electric energy (for example: cell-phone, panel computer or fascial rifle etc.) for other equipment as ordinary treasured that charges to external data line.

This battery package 1 can be applied to the electric tool of different grade Type, and the environment that electric tool used is comparatively complicated, because this battery package 1 possesses the function that provides the electric energy to electric tool, still possess the function for other equipment energy supplies, when supposing that this battery package 1 pegs graft on the chain saw, the user still connects the cell-phone through the female seat interface of USB in the second electric connector 40 or the female seat interface grafting data line of Type-C, then this data line will have the possibility of being drawn into in the chain of chain saw, this can lead to the user to produce the potential safety hazard when using the chain saw. Therefore, when the battery pack 1 is inserted into the electric tool, the USB female socket interface or the Type-C female socket interface in the second electrical connector 40 cannot be obtained by the user, so that the safety of the battery pack 1 during application can be improved, and the application scenarios of the battery pack 1 are increased.

As a preferred embodiment of the data line assembly 50.

Referring to fig. 1 to 6, the data line assembly includes a data line body 530 and a connection part 540. As in the above embodiments, the housing has the first end face 10, when the battery pack 1 supplies power to the electric tool, the first end face 10 is fully abutted against the surface where the power taking port of the electric tool is located, and the data line assembly 50 is located at the first end face 10, at this time, an optimized layout needs to be performed with the interfaces in the first electrical connector 30 and the second electrical connector 40, in this embodiment, the data line assembly 50 and the electrical connection area 300 are arranged in a double row in cooperation with three interfaces that are arranged in a row in the electrical connection area 300, so that the space of the first end face 10 is further effectively utilized. Meanwhile, when the first end surface 10 is fully abutted against the surface where the power tool power taking port is located, the data line assembly 50 is sealed, so that the first electric connector 30 is prevented from being taken out of the data line assembly 50 when in work, and the data line assembly 50 can be taken out for use only under the condition that the battery pack 1 is idle. The data line assembly 50 is completely positioned on the first end surface 10 of the battery pack 1, so that interference between the data line assembly 50 and the slot wall of the electric tool can be prevented, and smoothness of the battery pack in the plugging and unplugging process is guaranteed.

The data line body 530 is further connected to a connection portion 540, the connection portion 540 is a joint of the data line body 530, and is also a socket for connecting the data line body 530 to other electrical devices, the cross-sectional area of the connection portion is larger than that of the data line body 530, and the area of the first end face 10 is relatively limited, for this reason, in this embodiment, a second end face 20 adjacent to the first end face 10 may also be used, and the connection portion 540 is located on the second end face 20, it needs to be pointed out that the first end face 10 and the second end face 20 are both located in the insertion section 200 of the housing, when the battery pack 1 supplies power to the electrical tool, both the data line body 530 and the connection portion 540 cannot be obtained by a user, and both the data line body 530 and the connection portion 540 are in a sealed state. When the power tool is operated, the data line body 530 and the connection part 540 do not interfere with the operation of the power tool, so that the use safety is ensured.

In order to allow the data line assembly 50 to be safely and stably mounted on the battery pack 1 case, the present disclosure provides a preferred embodiment.

Specifically, referring to fig. 1 to 6, the first end surface 10 and the second end surface 20 have receiving grooves, including a first receiving groove 510 located on the first end surface 10 and a second receiving groove 520 located on the second end surface 20, the first receiving groove 510 and the second receiving groove 520 are communicated with each other, the width of the first receiving groove 510 is smaller than the width of the second receiving groove 520, and the communicating portion of the two is a slope transition. The size of the first accommodating groove 510 is matched with the size of the data line body 530, the size of the second accommodating groove 520 is matched with the size of the connecting part 540, when the data line body 530 and the connecting part 540 are assembled into the accommodating grooves, the influence of friction force of the side walls of the accommodating grooves is received, a certain force is required to be applied to take out the data line body 530 and the connecting part 540, the data line assembly 50 is tightly matched with the first accommodating groove 510, and the data line assembly can be assembled in the accommodating grooves in a relatively stable mode. The junction of the data line body 530 and the connection part 540 has an oblique transition, and the slope transition of the first receiving groove 510 and the second receiving groove 520 is matched with the oblique transition.

As before, battery package 1 is constantly inserted, is extracted electric tool in the use, and for making things convenient for battery package 1 plug, second terminal surface 20 designs for the arcwall face, and second holds recess 520 and has then utilized this arcwall face, and the arcwall face can let data line body 530 and connecting portion 540 level and smooth extension place, has reduced the breakage. In addition, when the connection part 540 is assembled to the arc-shaped surface, the connection part 540 is far away from the contact surface of the electric tool in the process of inserting and pulling the battery pack 1, and the condition that mutual scraping interference occurs is reduced. Referring to fig. 1, the connection part 540 is integrally curved in cooperation with the arc-shaped surface, and at this time, the oblique angle transition at the connection position between the data line body 530 and the connection part 540 not only can improve the connection aesthetics between the two, but also can support the curvature of the connection part 540.

As shown in fig. 1 to 6, limited by the limited space of the first end surface 10, the first receiving groove 510 is shaped like a long bar, while the second receiving groove 520 is shaped like a rectangle, so that the space utilization of the housing surface is very effective for placing the data line body 530 and the connecting part 540, and the design of the position is also considered to reduce the influence of the data line body 530 and the connecting part 540 on the operation of the battery pack 1. On this basis, in order to further improve space utilization while also satisfying stable assembly of the data lines, in the present example, referring to fig. 2, the middle portions of the first receiving groove 510 and the second receiving groove 520 are provided with a raised fixed spacer 550, the data line body 530 is disposed around the fixed spacer 550 in the first receiving groove 510, and the connection part 540 is also disposed around the fixed spacer 550 in the second receiving groove 520.

As a data line, it has two connection sections, that is, the connection part 540 has two connection interfaces, the lengths of the first end face 10 and the second end face 20 are limited, and for the convenience of users, the length of the data line is slightly longer and more convenient, in this implementation, a fixed spacing bar 550 is disposed in the accommodating groove, the shape of the fixed spacing bar 550 extends from the first accommodating groove 510 into the second accommodating groove 520, and the first accommodating groove 510 and the second accommodating groove 520 are both divided into two spaces, so that the data line body 530 and the connection part 540 can be placed in a double-row surrounding manner, and meanwhile, the requirement that the data line body 530 and the connection part 540 are not easy to fall off after being placed is also required to be met. If the fixed spacer 550 is formed by discontinuous protruding strips or a plurality of protruding columns, the data line body 530 and the connecting part 540 can be placed in a double-row surrounding manner, but the requirement that the data line body 530 and the connecting part 540 are not easy to fall off after being placed cannot be met.

In order to satisfy the requirement that the data wire body 530 and the connection part 540 are not easily separated when the battery pack 1 is inserted into the power tool, the data wire body 530 and the connection part 540 are stably assembled in the first accommodation groove 510 and the second accommodation groove 520 and are influenced by the friction force of the side wall of the accommodation groove, in the data wire assembly 50, in which the data wire body 530 and the connection part 540 are accommodated in the first accommodation groove 510 and the second accommodation groove 520. Because the data line subassembly closely cooperates with holding the recess, when battery package 1 is in idle state, the user is difficult to easily acquire the data line subassembly.

In order to facilitate the user to take the data line assembly, in this embodiment, an operation space 560 is formed between the inner wall of the second receiving groove and the end surface of the connecting part 540. If adopt first recess inner wall and the spacing formation operating space 560 of data line body 530 terminal surface of holding, also can satisfy the purpose that convenience of customers acquireed the data line subassembly, but because data line body 530 is mostly soft material, and connecting portion 540 is mostly the material that hardness is higher, consequently sets up the requirement that convenience of customers acquireed the data line subassembly can be satisfied more in the embodiment that holds recess inner wall at connecting portion 540 and second. The second end face 20 has more space to accommodate the operating space 560 than the compact space on the first end face 10. The user can conveniently apply force to the connection part 540 using the gap of the operation space 560 to achieve the purpose of separating the connection part 540 from the inner wall of the second receiving groove.

The shell of the battery pack 1 is provided with an electric connector, in order to meet the expanding requirement that the battery pack 1 can supply power for other electric equipment in an idle state, the surface of the shell of the battery pack 1 is provided with a second electric connector 40, and the second electric connector 40 can be a data line component. However, since the data line assembly 50 is located on the surface of the housing, the data line assembly may contact the inner wall of the electric tool during the insertion and extraction process of the battery pack 1, and the generated friction may affect the process of inserting the battery pack 1 into the electric tool, thereby increasing the difficulty of inserting the battery pack 1 into the electric tool.

In order to avoid the influence of the data line assembly 50 on the process of inserting the battery pack 1 into the electric power tool, in this embodiment, the data line body 530 and the connecting part 540 are accommodated in the first accommodating groove 510 and the second accommodating groove 520 without protruding from the housing surface, and since the data line body 530 and the connecting part 540 have a height difference or are flush with the housing surface, when the battery pack 1 rubs against the inner wall of the electric power tool, the data line body 530 and the connecting part 540 do not directly contact the inner wall of the electric power tool, so as to avoid the influence of the data line assembly 50 on the process of inserting the battery pack 1 into the electric power tool.

The present disclosure further provides an electric tool, which includes an electric tool body and the battery pack 1 included in the above embodiment, wherein the battery pack 1 is detachably mounted on the electric tool body to provide electric energy for the electric tool body.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A battery pack comprises a shell, an electric connector component is arranged on the shell, and is characterized in that,

2. The battery pack of claim 1, wherein the housing includes a first end surface, and when the plug section is inserted into an electrical device, the first end surface abuts against a surface where the electrical device power-taking interface is located, the first end surface has an electrical connection area for accommodating the first electrical connector and the second electrical connector, and the electrical connector assembly further includes a data line assembly at least partially located on the first end surface.

3. The battery pack of claim 2, wherein the electrical connection region is arranged in a double row with the data line assembly.

4. The battery pack of claim 2, wherein the data line assembly comprises a data line body and a connecting portion, the first end surface of the housing defines a first receiving recess, and the data line body and the connecting portion are both disposed in the first receiving recess when the data line assembly is not in use.

5. The battery pack of claim 2, wherein the data line assembly comprises a data line body and a connecting portion, the housing has a second end surface adjacent to the first end surface, the first end surface defines a first receiving groove, the second end surface defines a second receiving groove in communication with the first receiving groove, and the data line body and the connecting portion are respectively disposed in the first receiving groove and the second receiving groove.

6. The battery pack of claim 5, wherein the second end surface is an arcuate surface.

7. The battery pack according to claim 5 or 6, wherein the first receiving groove and the second receiving groove are both elongated, and the width of the second receiving groove is greater than the width of the first receiving groove.

8. The battery pack according to claim 5 or 6, wherein the housing further comprises a fixed spacer bar positioned in the first receiving groove and extending into the second receiving groove, and the data line and the connecting portion are disposed around the fixed spacer bar.

9. The battery pack according to claim 4 or 5, wherein the data line assembly does not protrude from the surface of the case when the data line assembly is embedded in the case.

10. The battery pack of claim 5, wherein the inner wall of the second receiving recess is spaced apart from the end surface of the connecting portion to form an operating space for a user to remove the data line assembly.

11. A battery pack comprises a shell, an electric connector component is arranged on the shell, and is characterized in that,

when the plug section is inserted into the electric equipment, the first electric connector is electrically connected with the electric equipment, the first electric connector is covered by the inner surface of the electric equipment, and at least part of the data line assembly is covered by the inner surface of the electric equipment, so that the data line assembly cannot be acquired.

12. The battery pack of claim 11, wherein the electrical connector assembly further comprises a second electrical connector at the plug section, the first and second electrical connectors being located on different surfaces of the housing, respectively.

13. A power tool comprising a power tool body and a battery pack according to any one of claims 1 to 12, the battery pack being detachably mounted on the power tool body to supply power thereto.