CN216530626U

CN216530626U - Multi-battery-pack plug socket and electric tool

Info

Publication number: CN216530626U
Application number: CN202122825945.5U
Authority: CN
Inventors: 蒋杰; 鲁子涵; 柯亨钊
Original assignee: Zhejiang Qixiang Technology Co Ltd
Current assignee: Zhejiang Qixiang Technology Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-13
Anticipated expiration: 2031-11-18

Abstract

The utility model provides a multi-battery-pack socket and an electric tool, wherein the multi-battery-pack socket comprises a shell and a base which are connected with each other, the shell comprises a plurality of accommodating cavities for accommodating detachable single battery packs respectively, the single battery packs are provided with first charging interfaces, and the bottoms of the accommodating cavities are provided with first discharging interfaces matched with the first charging interfaces; the base comprises a circuit board and a second discharge interface suitable for being electrically connected with the electric tool, and the first discharge interface and the second discharge interface are electrically connected with the circuit board. According to the multi-battery-pack plug socket, when the plug socket is used for charging the single battery pack, the single battery pack is wrapped in the accommodating cavity, and the single battery pack is embedded into the plug socket for charging.

Description

Multi-battery-pack plug socket and electric tool

Technical Field

The utility model relates to the technical field of electric tools, in particular to a multi-battery-pack socket and an electric tool.

Background

In order to improve the universality of the electric tool and enable the working range of the electric tool not to be limited by the position of a socket, a battery pack power supply mode is adopted in many electric tools on the market. When the electric tool is powered by the battery pack to work, the battery pack has high requirement on the endurance time, after a single battery pack cannot meet the operation requirement of people on using the electric tool, at present, part of electric tools start to adopt a plurality of battery packs on the electric tool, but for general electric tools, most of the electric tools operate in a handheld state, the electric tool also needs to consider the influence on a user in the use process, and therefore, how to firmly install the battery pack is also very important.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention firstly provides a multi-battery-pack socket, which includes a housing and a base that are connected to each other, where the housing includes a plurality of accommodating cavities for accommodating detachable single battery packs, respectively, where each single battery pack has a first charging interface, and a first discharging interface that is matched with the first charging interface is disposed at the bottom of each accommodating cavity; the base comprises a circuit board and a second discharging interface suitable for being electrically connected with the electric tool, and the first discharging interface and the second discharging interface are electrically connected with the circuit board.

Compared with the prior art, the multi-battery-pack plug socket has the advantages that when the single battery pack is charged by the plug socket, the single battery pack is wrapped in the accommodating cavity, and the single battery pack is embedded into the plug socket for charging, so that the overall structure of the adapter is compact during charging operation, the occupation of space is greatly reduced, and the single battery pack is firmly installed and is not easy to fall off; when a plurality of single battery packs are assembled on the shell to supply power together, the problem of low single battery pack capacity can be solved, the endurance time of the electric tool is prolonged, and the working efficiency of a user is improved.

Optionally, the housing has an upper opening.

Compared with the prior art, the multi-battery-pack socket disclosed by the utility model has the advantages that the shell adopts the open design of the upper opening, so that a user can conveniently detach and install the single battery pack from the socket, and the user can conveniently replace the single battery pack.

Optionally, a taking and giving part is arranged on the side edge of the upper opening.

Optionally, the outer contour of the housing and the outer contour of the base coincide in a direction in which the single cell packs are inserted into the housing.

Compared with the prior art, the multi-battery-pack plug socket disclosed by the utility model has the advantages that the structure of the outer contour of the shell and the outer contour of the base is designed, so that the overall structure is compact, and the occupied space of the plug socket is small when the plug socket is installed on an electric tool.

Optionally, the housing is provided with at least one partition, and two adjacent accommodating cavities are arranged independently through one partition.

Compared with the prior art, the multi-battery-pack inserting seat has the advantages that the partition plate is arranged between the two adjacent containing cavities, and the design that the containing cavities are mutually independent is realized, so that the single battery packs can be conveniently and quickly inserted into the corresponding containing cavities, the single battery packs can be prevented from falling out of the containing cavities easily in the process of being installed in the containing cavities for charging, and the charging reliability is improved.

Optionally, the thickness of the separator is less than 5 mm.

Compared with the prior art, the multi-battery-pack socket limits the thickness of the partition plate, so that the overall structure is more compact, and the multi-battery-pack socket is suitable for being used as a socket.

Optionally, the side wall of the single battery pack is provided with a limiting portion, and the cavity wall of the accommodating cavity is provided with a limiting member matched with the limiting portion.

Compared with the prior art, the multi-battery-pack inserting seat has the advantages that the limiting parts and the limiting parts which are matched with each other are arranged on the single battery pack and the accommodating cavity respectively, so that the single battery pack can be effectively prevented from falling out when the electric tool works.

Optionally, the limiting member is a spring plate, the spring plate has a protrusion, and the limiting portion is a groove matched with the protrusion.

Compared with the prior art, the multi-battery-pack socket adopts the design that the non-buckling structure of the elastic sheet is used for fastening the single battery pack, so that the single battery pack can be effectively prevented from falling out of the shell, and the single battery pack is convenient to mount and dismount.

Optionally, the base is provided with a second charging interface suitable for being electrically connected with an external power supply.

Compared with the prior art, the multi-battery-pack socket is provided with the second charging interface so as to charge the single battery pack by using the socket.

In addition, the utility model provides an electric tool which comprises the multi-battery-pack socket.

Compared with the prior art, the advantages of the electric tool and the multi-battery-pack socket are the same as those of the prior art, and are not described herein again.

Drawings

Fig. 1 is a first block diagram of a multi-battery pack socket according to an embodiment of the present invention;

fig. 2 is a second block diagram of a multi-battery-pack socket according to an embodiment of the present invention;

FIG. 3 is a third diagram of a multi-battery-pack socket according to an embodiment of the present invention;

fig. 4 is a partial block diagram of a multi-battery pack socket according to an embodiment of the present invention;

FIG. 5 is a block diagram of the multi-pack socket and single-cell pack assembly of an embodiment of the present invention;

fig. 6 is a structural view of a single cell pack according to an embodiment of the present invention;

fig. 7 is a partial structural view of the elastic sheet arranged in the accommodating cavity according to the embodiment of the utility model;

fig. 8 is an exploded view of the multi-pack socket, cell pack and power tool assembly of an embodiment of the present invention.

Description of reference numerals:

1. a multi-battery pack socket; 11. a housing; 111. an accommodating chamber; 112. a first discharge interface; 113. an upper opening; 114. taking the leading part; 115. a partition plate; 116. a spring plate; 1161. a boss portion; 12. a base; 121. a circuit board; 122. a second discharge interface; 123. a second charging interface; 2. a single battery pack; 21. a first charging interface; 22. a groove; 3. provided is a power tool.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the normal use of a product.

The terms "first", "second" and "first" are used for descriptive purposes only and are 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.

The embodiment of the utility model provides a multi-battery-pack socket, which is shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6 and comprises a shell 11 and a base 12 which are connected with each other, wherein the shell 11 comprises a plurality of accommodating cavities 111 for accommodating detachable single battery packs 2 respectively, each single battery pack 2 is provided with a first charging interface 21, and the bottom of each accommodating cavity 111 is provided with a first discharging interface 112 matched with the first charging interface 21; the base 12 includes a circuit board 121 and a second discharge interface 122 adapted to be electrically connected to the power tool 3, and the first discharge interface 112 and the second discharge interface 122 are electrically connected to the circuit board 121.

The number of the single battery packs 2 is at least two, so that the socket can realize the function of simultaneously charging a plurality of single battery packs 2; during charging operation, the single battery pack 2 is embedded into the shell 11, and the structural shape and size of the cavity of the accommodating cavity 111 are matched with the shape and size of the single battery pack 2, so that the overall structure of the shell 11 and the plug socket is small as possible; be equipped with baffle 115 between two adjacent holding chamber 111, each holds and is the mutually independent structure between the chamber 111 promptly, makes things convenient for single cell package 2 to insert fast corresponding holding chamber 111 on the one hand like this, and on the other hand also can make single cell package 2 install and hold the chamber 111 in the in-process of charging and be difficult to fall out from holding chamber 111, improves the charging reliability of bayonet socket.

The first charging interface 21 is a three-PIN, which can discharge a large current, so that the charging speed is fast, and correspondingly, the number of the PIN PINs of the first discharging interface 112 is also three. The first charging interface 21 can perform both the charging operation and the discharging operation: when the first charging interface 21 is connected with the first discharging interface 112, the charging operation of the single battery pack 2 can be realized, and when the first charging interface 21 is connected with the electric tool 3, the discharging operation of the electric tool 3 can be realized, and the charging and discharging interfaces are arranged on the same interface, so that the structural design of the single battery pack 2 is more compact.

The second discharging interface 122 is used for connecting an external power supply to supply power to the socket, where the external power supply is mains supply or electric equipment capable of providing electric energy; the second discharging interface 122 may be a C interface, which can charge the socket by using a common data line, and has good versatility; the first discharging interface 112 and the second discharging interface 122 are in circuit connection with the circuit board 121, and when the second discharging interface 122 is connected with an external power supply, the second discharging interface is converted and transmitted through the circuit board 121, and the single battery pack 2 is charged through the first discharging interface 112.

In the multi-battery-pack socket in the embodiment, when the single battery pack 2 is charged by the socket, the single battery pack 2 is wrapped in the accommodating cavity 111, and the single battery pack 2 is embedded into the socket for charging, so that the adapter has a compact overall structure when being charged, the occupation of space is greatly reduced, and the single battery pack 2 is firmly installed and is not easy to fall off; when a plurality of single battery packs 2 are assembled on the shell 11 for supplying power together, the problem of low capacity of a single battery pack 2 can be solved, the endurance time of the electric tool 3 is prolonged, and the working efficiency of a user is improved.

Optionally, as shown in connection with fig. 1, the housing 11 has an upper opening 113.

The shape of the cross section of the upper opening 113 in the direction perpendicular to the insertion direction of the single cell pack 2 into the accommodating cavity 111 is the same as the shape of the cross section of the single cell pack 2 in the direction perpendicular to the insertion direction of the single cell pack 2 into the accommodating cavity 111, and the sizes of the two are close to each other, so that the compactness of the structure of the socket is ensured.

In the multi-battery-pack socket of the present embodiment, the housing 11 adopts the open design of the upper opening 113, so that the user can conveniently detach and mount the battery pack 2 from the socket, and the user can conveniently replace the battery pack 2.

Optionally, as shown in fig. 1, a taking and releasing portion 114 is disposed on a side of the upper opening 113.

Wherein, the portion 114 of letting of taking is the U type breach, and the bilateral symmetry in every chamber 111 that holds is equipped with two U type breaches to conveniently take the monocell package 2 from the bayonet socket, still help playing the heat dissipation effect at the in-process that the monocell package 2 charges.

Alternatively, as shown in fig. 1 and 5, the outer contour of the housing 11 and the outer contour of the base 12 coincide with each other in the direction in which the single cell pack 2 is inserted into the housing 11.

The outer contour of the housing 11 and the outer contour of the base 12 are both smooth transition lines, and the outer contour of the housing 11 and the outer contour of the base 12 are designed to be overlapped, so that the overall appearance of the socket is more attractive, and a user can hold the socket comfortably.

In the multi-battery-pack socket in the embodiment, the structures of the outer contour of the housing 11 and the outer contour of the base 12 are designed, so that the overall structure is compact, and the occupied space of the socket when the socket is installed on the electric tool 3 is small.

Optionally, as shown in fig. 3, the housing 11 is provided with at least one partition 115, and two adjacent accommodating cavities 111 are independently arranged through one partition 115.

The length direction of the partition plate 115 is consistent with the direction of inserting the single battery pack 2 into the accommodating cavity 111, and the partition plate 115 is in abutting connection with the single battery pack 2, so that the accommodating cavity 111 and the partition plate 115 can be conveniently and firmly installed in the housing 11 together with the single battery pack 2.

In the multi-battery-pack socket in this embodiment, the partition plate 115 is arranged between two adjacent accommodating cavities 111, so that the accommodating cavities 111 are designed to be independent from each other, on one hand, the single battery packs 2 can be conveniently and quickly inserted into the corresponding accommodating cavities 111, on the other hand, the single battery packs 2 can be installed in the accommodating cavities 111 to be charged, the charging process cannot be easily dropped out of the accommodating cavities 111, and the charging reliability is improved.

Optionally, as shown in connection with fig. 3, the thickness of the spacer 115 is less than 5 mm.

The thickness of the partition 115 is 4.9mm, 4.5mm, 3mm, 2mm, 1.5mm or 1mm, and the specific size design can be set as required.

The multi-battery-pack socket of the present embodiment limits the thickness of the partition 115, making the overall structure more compact and suitable for use as a socket.

Optionally, as shown in fig. 3, 6, and 7, a limiting portion is disposed on a side wall of the single cell pack 2, and a limiting member that is engaged with the limiting portion is disposed on a cavity wall of the accommodating cavity 111.

The limiting part is positioned on the side wall close to the bottom of the single battery pack 2, so that the single battery pack 2 can be firmly installed in the accommodating cavity 111 after the limiting part is matched with the limiting part; the limiting piece can be selectively arranged on the partition plate 115, so that the limiting piece is convenient to process and simple to manufacture.

The limiting part and the limiting part can be arranged into a damping structure, so that a complex locking structure can be avoided, the space is saved, and the cost is low.

In the multi-battery-pack socket in this embodiment, the single battery pack 2 and the accommodating cavity 111 are respectively provided with the mutually-matched limiting part and the limiting part, so that the single battery pack 2 can be effectively prevented from falling out when the electric tool 3 works.

Optionally, as shown in fig. 3, 6, and 7, the limiting member is an elastic sheet 116, the elastic sheet 116 has a protrusion 1161, and the limiting portion is a groove 22 engaged with the protrusion 1161.

The elastic sheet 116 has a certain deformation amount, and the edge of the groove 22 has a chamfer, so that the protrusion 1161 of the elastic sheet 116 can smoothly move in and out of the groove 22, when the protrusion 1161 moves into the groove 22, the single cell pack 2 is already firmly installed in the accommodating cavity 111, and when the protrusion 1161 moves out of the groove 22, the single cell pack 2 can be easily taken out of the accommodating cavity 111.

In the multi-battery-pack socket in this embodiment, the non-snap structure, such as the spring plate 116, is used to fasten the single battery pack 2, so that the single battery pack 2 is not only effectively prevented from falling out of the housing 11, but also the single battery pack 2 is convenient to mount and dismount.

Optionally, as shown in fig. 2, the base 12 is provided with a second charging interface 123 adapted to be electrically connected to an external power source.

The second charging interface 123 is used for connecting an external power supply to supply power to the multi-battery-pack socket, where the external power supply is mains supply or power equipment capable of supplying electric energy; the second charging interface 123 can be a C interface, and can charge the multi-battery-pack socket by using a common data line, so that the universality is good; the second charging interface 123 is in circuit connection with the circuit board 121, and when the second charging interface 123 is connected with an external power supply, the second charging interface is converted and transmitted through the circuit board 121, and the single battery pack 2 is charged through the first charging interface 21.

In the multi-battery pack socket of the present embodiment, the second charging interface 123 is provided to charge the single battery pack 2 by using the socket.

Another embodiment of the present invention provides a power tool, as shown in fig. 8, including a multi-battery pack socket as described above.

In the electric tool 3 in this embodiment, when the single battery pack 2 is charged by the socket, the single battery pack 2 is wrapped in the accommodating cavity 111, and the single battery pack 2 is embedded into the socket for charging, so that the adapter has a compact overall structure during charging operation, the occupation of space is greatly reduced, and the single battery pack 2 is firmly installed and is not easy to fall off; when a plurality of single battery packs 2 are assembled on the shell 11 for supplying power together, the problem of low capacity of a single battery pack 2 can be solved, the endurance time of the electric tool 3 is prolonged, and the working efficiency of a user is improved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The multi-battery-pack plug socket is characterized by comprising a shell (11) and a base (12) which are connected with each other, wherein the shell (11) comprises a plurality of accommodating cavities (111) for accommodating detachable single battery packs (2) respectively, the single battery packs (2) are provided with first charging interfaces (21), and the bottoms of the accommodating cavities (111) are provided with first discharging interfaces (112) matched with the first charging interfaces (21); the base (12) comprises a circuit board (121) and a second discharge interface (122) suitable for being electrically connected with an electric tool (3), and the first discharge interface (112) and the second discharge interface (122) are both electrically connected with the circuit board (121).

2. Multi-battery-pack socket according to claim 1, wherein the housing (11) has an upper opening (113).

3. The multi-battery-pack socket according to claim 2, wherein the upper opening (113) is provided with a take-out relief portion (114) at a side thereof.

4. The multi-battery-pack socket according to claim 1, wherein the outer contour of the housing (11) and the outer contour of the base (12) coincide in a direction along which the battery cell pack (2) is inserted into the housing (11).

5. The multi-battery-pack socket according to claim 1, wherein the housing (11) is provided with at least one partition (115), and adjacent two of the receiving cavities (111) are independently provided from each other through one of the partitions (115).

6. The multi-battery-pack socket according to claim 5, wherein the thickness of the partition (115) is less than 5 mm.

7. The multi-battery-pack socket according to claim 1, wherein the side wall of the single battery pack (2) is provided with a limiting part, and the wall of the accommodating cavity (111) is provided with a limiting part matched with the limiting part.

8. The multi-battery-pack socket according to claim 7, wherein the limiting member is a spring (116), the spring (116) having a protrusion (1161), the limiting member being a groove (22) that mates with the protrusion (1161).

9. A multi-battery-pack socket according to any of claims 1-8, wherein the base (12) is provided with a second charging interface (123) adapted to be electrically connected to an external power source.

10. A power tool comprising a multi-battery pack socket as claimed in any one of claims 1 to 9.