阅读说明：本技术 可拆卸式电池包组件及具有该电池包组件的电动工具 (Detachable battery pack assembly and electric tool with same ) 是由 孔宪龙 王斌 于 2019-09-12 设计创作，主要内容包括：可拆卸式电池包组件,包括固定座、连接件、电池包,其中：所述固定座安装在电动工具上；所述连接件可拆卸设置在固定座上,且连接件与固定座之间设有电连接结构；所述电池包可拆卸设置在连接件上,且电池包与连接件之间设有电连接结构。本申请中,在固定座与电池包之间设置了连接件,连接件可以根据需要更换不同的种类型号,使其在适应固定座的同时,也能适应电池包的安装,因此,当电池包损坏或没电,需要更换时,可以使用不同型号的电池包及与其配合的连接件,只要该连接件与固定座能够配合即可。因此,本申请中,通过选择合适的连接件,使固定座与电池包之间的适配性大大增强,同时电池包及其配合的连接件可以进行产品认证,成本低。(Detachable battery package subassembly, including fixing base, connecting piece, battery package, wherein: the fixed seat is arranged on the electric tool; the connecting piece is detachably arranged on the fixed seat, and an electric connection structure is arranged between the connecting piece and the fixed seat; the battery pack is detachably arranged on the connecting piece, and an electric connection structure is arranged between the battery pack and the connecting piece. In this application, set up the connecting piece between fixing base and battery package, the different kind models can be changed as required to the connecting piece, makes it when adapting to the fixing base, also can adapt to the installation of battery package, consequently, damages or does not have the electricity when the battery package, when needing to be changed, can use the battery package of different models and rather than the complex connecting piece, as long as this connecting piece can cooperate with the fixing base can. Therefore, in this application, through selecting suitable connecting piece, make the suitability between fixing base and the battery package strengthen greatly, product authentication can be carried out to battery package and complex connecting piece simultaneously, and is with low costs.)

1. Detachable battery package subassembly, its characterized in that includes fixing base (1), connecting piece (2), battery package (3), wherein:

the fixed seat (1) is arranged on the electric tool;

the connecting piece (2) is detachably arranged on the fixed seat (1), and an electric connection structure is arranged between the connecting piece (2) and the fixed seat (1); the connecting piece (2) is assembled on the fixed seat (1) through a buckling structure and/or a clamping groove structure; an assembly cavity is arranged on the connecting piece (2), and an assembly clamping groove (27) is arranged in the assembly cavity;

the battery pack (3) is detachably arranged on the connecting piece (2), and an electric connection structure is arranged between the battery pack (3) and the connecting piece (2); the battery pack (3) is assembled on the connecting piece (2) through a buckling structure and/or a clamping groove structure.

2. The removable battery pack assembly of claim 1, wherein the connector (2) has an electrical connector (23), and after assembly, the electrical connector (23) has one end contacting the conductive structure (13) of the holder (1) and the other end extending to form a tab (231) for insertion into the battery pack (3).

3. The detachable battery pack assembly of claim 1, wherein the connecting member (2) is provided with protrusions (21) protruding outward on both sides of the upper portion thereof, the upper portion of the connecting member (2) is further provided with an upward-protruding engaging piece (22), and the lower portion of the engaging piece (22) abuts against the spring (221).

4. The removable battery pack assembly of claim 1, wherein the connecting member (2) is provided with two side protrusions (26) protruding outwards at both sides of the upper portion, the side protrusions (26) are symmetrically arranged, and a protrusion spring (261) is arranged between the two side protrusions (26).

5. An electric tool comprising a main body and a battery pack assembly provided on the main body, wherein the battery pack assembly is the detachable battery pack assembly according to any one of claims 1 to 4.

Technical Field

The invention belongs to the field of battery pack mounting structures of electric tools, particularly relates to a detachable battery pack assembly, and also relates to an electric tool with the battery pack assembly.

Background

Electric tools, especially hand-held electric tools such as floor-sweeping machines, leaf-dropping blowers, pruners, etc., are commonly used equipment in daily life and work. At present, detachable battery packs for supplying power are arranged on the handheld electric tools, the battery packs are assembled on a fixed seat, the fixed seat is installed on the electric tools, and the battery packs can be installed on the fixed seat after being charged so as to supply power to the electric tools; when the power is not supplied, the battery pack can be detached from the electric tool for charging.

In the prior art, because the sizes and the models of the battery packs are not uniform among different manufacturers and different products, the battery packs are not universal among different electric tools, specific battery packs can only be assembled on the fixing seats matched with the battery packs, and the fixing seats are inconvenient to disassemble, so that once the battery packs break down, only original assembly of original factories can be realized, and certain troubles are brought to consumers. In addition, since the battery packs are not uniform, each type of electric tool and the battery pack are in a one-to-one correspondence relationship, product authentication is required in the authentication process before the electric tool is marketed, and at this time, even if the battery pack is changed a little, the whole product needs to be authenticated, which also increases the authentication cost of enterprises.

Accordingly, based on some of the above problems, the present application has made further design and research into a battery pack assembly on a power tool.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the detachable battery pack assembly, the detachable connecting piece is arranged between the fixed seat and the battery pack, the battery pack is assembled on the fixed seat through the connecting piece, the connecting piece has different types and can be matched with different battery packs, so that different battery packs and the connecting piece matched with the battery packs can be replaced when the battery packs are damaged, the cost is low, and the operation is convenient.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

Detachable battery package subassembly, including fixing base, connecting piece, battery package, wherein: the fixed seat is arranged on the electric tool; the connecting piece is detachably arranged on the fixed seat, an electric connection structure is arranged between the connecting piece and the fixed seat, and the connecting piece is assembled on the fixed seat through a buckling structure and/or a clamping groove structure; an assembly cavity is formed in the connecting piece, and an assembly clamping groove is formed in the assembly cavity; the battery pack can be detachably arranged on the connecting piece, an electric connection structure is arranged between the battery pack and the connecting piece, the battery pack is assembled on the connecting piece through the buckling structure and/or the clamping groove structure, the structure is simple, and the assembly is convenient.

In the prior art, the fixing seat is fixed on the electric tool and can be assembled by screws, and meanwhile, the electric connection structure on the fixing seat is connected to the electric unit in the electric tool, the structure is default to be a structure which is not detached by a consumer, so that the detachment is troublesome, and the electric connection structure in the electric tool can be damaged in the detachment process. Therefore, in the conventional electric tool, the battery pack is directly assembled on the fixed seat, when the battery pack is damaged and needs to be replaced, only the same battery pack can be selected, otherwise, the battery pack is not matched with the fixed seat and cannot be assembled; meanwhile, integral product authentication is also needed during product authentication, and the cost is high.

In this application, set up the connecting piece between fixing base and battery package, battery package demountable assembly is on the connecting piece, and connecting piece demountable assembly is on the fixing base to realize the electricity and connect. In this structure, the connecting piece can change different kind models as required, makes it when adapting to the fixing base, also can adapt to the installation of battery package, consequently, damages or does not have the electricity when the battery package, when needing to be changed, can use the battery package of different models and rather than complex connecting piece, as long as this connecting piece can cooperate with the fixing base can. Therefore, in this application, through selecting suitable connecting piece, make the suitability between fixing base and the battery package strengthen greatly, product authentication can be carried out to battery package and complex connecting piece simultaneously, and is with low costs.

In a preferred embodiment, the connecting member is provided with an electrical connector, one end of the electrical connector can be contacted with the conductive structure in the fixing base after assembly, and the other end of the electrical connector extends out of the insertion sheet and can be inserted into the battery pack.

In a preferred embodiment, two sides of the upper part of the connecting piece are provided with lugs protruding outwards for assembling the connecting piece on the fixed seat; the upper part of the connecting piece is also provided with an upward extending top clamping block, the lower part of the top clamping block is propped against the spring, and the top clamping block is used for positioning and locking after assembly.

In a preferred embodiment, two sides of the upper part of the connecting piece are provided with two side projections which protrude outwards, the two side projections are symmetrically arranged, a projection spring is arranged between the two side projections, and the side projections are used for being detachably assembled on the fixed seat.

The electric tool comprises a main body and a battery pack assembly arranged on the main body, wherein the battery pack assembly is the detachable battery pack assembly, and the battery pack is convenient to replace.

Compared with the prior art, the invention has the following beneficial effects: the detachable battery pack assembly is provided, and through the arrangement of the connecting piece, battery packs of different types can be assembled on the fixed seat, so that the one-to-one pairing form of the fixed seat and the battery pack in the conventional electric tool is broken, the replacement and the transfer of the battery pack are more convenient, and the cost is saved; this application still relates to the electric tool who has this detachable battery package subassembly simultaneously, and is with low costs, and the battery changes the convenience.

Drawings

Fig. 1 is a perspective view of a battery pack assembly according to a first embodiment of the present invention.

Fig. 2 is a side view of a battery pack assembly according to a first embodiment of the present invention.

Fig. 3 is a first perspective view of a fixing base according to a first embodiment of the invention.

Fig. 4 is a second perspective view of the fixing base in the first embodiment of the invention.

Fig. 5 is a first perspective view of a first connector according to a first embodiment of the invention.

Fig. 6 is a second perspective view of the connecting member according to the first embodiment of the present invention.

Fig. 7 is a first perspective view of a battery pack according to a first embodiment of the invention.

Fig. 8 is a second perspective view of a battery pack according to a first embodiment of the invention.

Fig. 9 is a perspective view of a battery pack assembly according to a second embodiment of the present invention.

Fig. 10 is a first perspective view of a fixing base according to a second embodiment of the invention.

Fig. 11 is a second perspective view of the fixing base according to the second embodiment of the invention.

Fig. 12 is a first perspective view of a connector according to a second embodiment of the present invention.

Fig. 13 is a second perspective view of a second connector according to a second embodiment of the present invention.

Fig. 14 is a perspective view of a battery pack according to a second embodiment of the present invention.

Fig. 15 is a side view of a battery pack assembly according to a third embodiment of the present invention.

Fig. 16 is a schematic view of the internal structure of a battery pack assembly according to a third embodiment of the present invention.

Fig. 17 is a perspective view of an electric power tool in the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.

In describing the present invention, it is to be understood that the terms: the terms center, longitudinal, lateral, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms: first, second, etc. 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 shown. In describing the present invention, unless otherwise expressly specified or limited, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 16, a detachable battery pack assembly according to the present application includes a fixing base 1, a connecting member 2, and a battery pack 3, wherein: the fixed seat 1 is arranged on the electric tool; the connecting piece 2 is detachably arranged on the fixed seat 1, and an electric connection structure is arranged between the connecting piece 2 and the fixed seat 1; the battery pack 3 is detachably arranged on the connecting piece 2, and an electric connection structure is arranged between the battery pack 3 and the connecting piece 2.

In addition, in this application, connecting piece 2 passes through lock structure and/or draw-in groove structure assembly on fixing base 1, battery package 3 passes through lock structure and/or draw-in groove structure assembly on connecting piece 2, simple structure, convenient assembling.

Still relate to an electric tool in this application, include the main part and locate the battery package subassembly in the main part, wherein, the battery package subassembly is foretell detachable battery package subassembly, and the change of battery package is convenient.

The following examples are given for illustrative purposes.

The first embodiment is as follows: as shown in FIGS. 1-8, the detachable battery pack assembly comprises a fixing base 1, a connecting member 2, and a battery pack 3. Wherein: the fixed seat 1 is installed on the electric tool through screws.

The connecting piece 2 can be dismantled and set up on the fixing base 1, and is equipped with electric connection structure between connecting piece 2 and the fixing base 1. Specifically, be equipped with the draw-in groove 11 that inwards stretches out on the both sides wall of fixing base 1, the both sides of 2 upper portions of connecting piece are equipped with outside outstanding lug 21, and during the assembly, the in-process that connecting piece 2 inserted in fixing base 1, and lug 21 realizes the assembly in inserting draw-in groove 11. Meanwhile, the upper part of the connecting piece 2 is also provided with a top clamping block 22 which extends upwards, the lower part of the top clamping block 22 is propped against the spring 221, so that the top clamping block 22 extends upwards all the time, meanwhile, the connecting piece 2 is provided with a top clamping groove 12, after assembly, the top clamping block 22 is clamped into the clamping groove 12, the connecting piece 2 is prevented from being separated, and after the spring 221 is taken out or the top clamping block 22 is moved downwards, the connecting piece 2 can be taken down. Furthermore, an electrical connector 23 is provided in the connector 2, which electrical connector 23, after assembly, has one end in contact with the conductive structure 13 in the holder 1 and the other end with a tab 231 protruding therefrom, and can be inserted into the battery pack 3.

The battery pack 3 is detachably arranged on the connecting piece 2, and an electric connection structure is arranged between the battery pack 3 and the connecting piece 2. Specifically, the upper portion of battery package 3 is equipped with assembly portion, and the both sides of this assembly portion are equipped with bead 35, be equipped with the assembly chamber on the connecting piece 2, the both sides in this assembly chamber are equipped with guide way 25, and during the assembly, assembly portion inserts in the assembly chamber, and bead 35 enters into guide way 25 simultaneously and realizes the assembly. After the assembly, the clamping piece 39 extending upwards from the battery pack 3 is clamped on the edge of the assembly cavity, so that the battery pack 3 is prevented from falling off, when the battery pack is required to be disassembled, the button 391 on the battery pack 3 is pressed, the button 391 is linked with the clamping piece 39, the clamping piece 39 can be moved downwards by pressing the button 391, the clamped state is removed, and the battery pack 3 can be conveniently disassembled. The battery pack 3 is provided with an inserting piece groove 33, and after assembly, the inserting piece 231 on the connecting piece 2 is inserted into the inserting piece groove 33 to realize electric connection.

Example two: as shown in fig. 9-14, the detachable battery pack assembly includes a fixing base 1, a connecting member 2, and a battery pack 3. Wherein: the fixed seat 1 is installed on the electric tool through screws.

The connecting piece 2 can be dismantled and set up on the fixing base 1, and is equipped with electric connection structure between connecting piece 2 and the fixing base 1. Specifically, be equipped with the side fixture block 111 that inwards stretches out on the both sides wall of fixing base 1, the both sides of 2 upper portions of connecting piece are equipped with outside outstanding side lug 26, and during the assembly, the upper portion of connecting piece 2 enters into the inner chamber of fixing base 1, and side lug 26 realizes the assembly with side fixture block 111 block simultaneously. The side projections 26 are symmetrically provided in two, and the projection spring 261 is provided between the two side projections 26, so that the distance between the two side projections 26 can be compressed, and after the compression, the assembled state can be released, and the connector 2 can be removed. In addition, the conductive structure, the insert and the like in the present embodiment are the same as those in the first embodiment.

The battery pack 3 is detachably arranged on the connecting piece 2, and an electric connection structure is arranged between the battery pack 3 and the connecting piece 2. Specifically, the upper portion of battery package 3 is equipped with assembly portion, and the both sides of this assembly portion are equipped with battery package side fixture block 37, be equipped with the assembly chamber on the connecting piece 2, the both sides in this assembly chamber are equipped with the assembly draw-in groove 27 that corresponds with battery package side fixture block 37, and during the assembly, assembly portion inserts in the assembly chamber (guide way and direction muscle cooperation), and battery package side fixture block 37 card is gone into to realize the assembly in assembling draw-in groove 27 simultaneously, can not deviate from after blocking. When the battery pack 3 needs to be detached, the side button 391 on the battery pack 3 is pressed, and the side button 391 is linked with the battery pack side fixture block 37, so that the battery pack side fixture block 37 can be retracted by pressing the side button 391, the clamped state is released, and the battery pack 3 can be detached conveniently. The battery pack 3 is provided with an inserting piece groove 33, and after assembly, the inserting piece on the connecting piece 2 is inserted into the inserting piece groove 33 to realize electric connection.

Example three: as shown in fig. 15-16, the detachable battery pack assembly includes a fixing base 1, a connecting member 2, and a battery pack 3. Wherein: the fixed seat 1 is installed on the electric tool through screws. In the third embodiment, the structure and the manner of assembly between the fixing base 1 and the connecting member 2 are the same as those in the first embodiment, and the structure and the manner of assembly between the connecting member 2 and the battery pack 3 are the same as those in the second embodiment.

Fig. 17 is a perspective view of an electric power tool, specifically a fallen leaf blower, including a main body 9, a handle part 91 provided on the main body 9, and a battery pack assembly of the present application provided at a lower end of the handle part 91. The power tool in the present application is not limited to the fallen leaf blower, but includes others such as: pruning machine, sweeper, etc.

As can be seen from the description of the above embodiments, in the present application, the connecting member is disposed between the fixing base and the battery pack, the battery pack is detachably mounted on the connecting member, and the connecting member is detachably mounted on the fixing base, so as to achieve electrical connection. In this structure, the connecting piece can change different kind models as required, makes it when adapting to the fixing base, also can adapt to the installation of battery package, consequently, damages or does not have the electricity when the battery package, when needing to be changed, can use the battery package of different models and rather than complex connecting piece, as long as this connecting piece can cooperate with the fixing base can. Therefore, in this application, through selecting suitable connecting piece, make the suitability between fixing base and the battery package strengthen greatly, product authentication can be carried out to battery package and complex connecting piece simultaneously, and is with low costs.

In the invention, through the arrangement of the connecting piece, the battery packs of different types can be assembled on the fixed seat, so that the one-to-one matching form of the fixed seat and the battery pack in the conventional electric tool is broken, the replacement and the transfer of the battery pack are more convenient, and the cost is saved; this application still relates to the electric tool who has this detachable battery package subassembly simultaneously, and is with low costs, and the battery changes the convenience.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.