Utility model content
The purpose of this utility model is to provide one kind can be adapted to two different double piezoelectric battery packets so that battery pack is defeated
The electric tool of identical output voltage and the electric tool system with the electric tool out.
To realize above-mentioned purpose of utility model, the utility model provides a kind of electric tool, including pedestal and several wears
The male plug piece being inserted on the pedestal, the pedestal have the battery pack mating surface and electronic work being oppositely arranged along its width direction
Has joint face, several male plug pieces include the first male plug piece successively arranged along the length direction of the pedestal, connection male plug
Piece and the second male plug piece;The first male plug piece and the second male plug on piece be equipped with from the electric tool connect towards
The voltage output portion of outer projection;The electric tool is selectively connect with two different double piezoelectric battery packets so that described two
Different double piezoelectric battery packets provide identical output voltage.
The connection male plug piece is contained in institute in electric tool joint face completely as a further improvement of the utility model,
It states in pedestal, is only used for connecting with double piezoelectric battery packets.
The first male plug piece, the second male plug piece and the connection as a further improvement of the utility model,
Male plug piece includes two connection sheets arranged side by side protruded outward from the battery pack mating surface and the described two companies of connection
The interconnecting piece of contact pin.
The interconnecting piece includes extending outwardly from electric tool connection as a further improvement of the utility model,
Two extensions and connect the flat parts of described two extensions;Described two extensions and the flat part form opening court
On U-shaped.
The first male plug piece, the connection male plug piece and described second as a further improvement of the utility model,
The connection sheet of male plug piece is successively arranged in battery pack mating surface along the length direction of the pedestal.
To realize above-mentioned purpose of utility model, the utility model additionally provides a kind of electric tool system, including electronic work
Tool and the double piezoelectric battery packets being connect with the electric tool;Double piezoelectric battery packet output voltages are to the electric tool;It is described
Electric tool is electric tool described in any technical solution in preceding solution.
Described two different double piezoelectric battery packets are respectively first pair of piezoelectric battery as a further improvement of the utility model,
Packet and second pair of piezoelectric battery packet;The output voltage of first pair of piezoelectric battery packet is first voltage nV and second voltage 2nV;It is described
The output voltage of second pair of piezoelectric battery packet is second voltage 2nV and tertiary voltage 4nV;The electric tool and described first pair pressure
In battery pack and second pair of piezoelectric battery packet when any double piezoelectric battery packet plug connections, the output voltage is described second
Voltage 2nV.
As a further improvement of the utility model, first pair of piezoelectric battery packet include two groups of battery cores and respectively with it is described
Four electrode terminals that the positive electrode and negative electrode of two groups of battery cores are electrically connected;The electric tool is matched with first pair of piezoelectric battery packet
It closes in use, two connection sheets of the connection male plug piece are appointed with four electrode terminals of first pair of piezoelectric battery packet respectively
The electrode terminal of the opposite polarity different group battery cores of meaning two is electrically connected, so that described two in first pair of piezoelectric battery packet
Group battery core is in series connection.
As a further improvement of the utility model, second pair of piezoelectric battery packet include two groups of battery cores and respectively with it is described
Four electrode terminals that the positive electrode and negative electrode of two groups of battery cores are electrically connected;The electric tool is matched with second pair of piezoelectric battery packet
Close in use, the connection male plug piece not with second pair of piezoelectric battery packet electric connection, the first male plug piece and described four
The identical electrode terminal of any two polarity is electrically connected in a electrode terminal, the second male plug piece and four electrode tips
The identical electrode terminal of remaining two polarity is electrically connected in son, so that two groups of electricity in second pair of piezoelectric battery packet
Core is in parallel connection.
The electric tool is used cooperatively with first pair of piezoelectric battery packet as a further improvement of the utility model,
When, a connection sheet of a connection sheet of the first male plug piece and the second male plug piece respectively with four electrode tips
Remaining two opposite polarity electrode terminals are electrically connected in son, the residue of the first male plug piece and the second male plug piece
Connection sheet not with first pair of piezoelectric battery packet be electrically connected.
First pair of piezoelectric battery packet is also wrapped with second pair of piezoelectric battery packet as a further improvement of the utility model,
Include the vacancy for accommodating the connection sheet.
The false end for being only used for holding corresponding connection sheet is equipped in the vacancy as a further improvement of the utility model,
Son.
The beneficial effects of the utility model are: the electric tool of the utility model selectively with two different double piezoelectricity
Chi Bao connection is so that described two different identical output voltages of double piezoelectric battery packets offer are realized to two kinds not to electric tool
The compatibility of same double piezoelectric battery packets;The scope of application for increasing electric tool system is arranged such, improves the compatibility of product,
Reduce development cost.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied
The utility model is described in detail in example.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with the embodiment of the utility model, and be omitted and the utility model
The little other details of relationship.
In addition, it should also be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
It please refers to shown in Fig. 1 to Figure 10, electric tool system 900 includes electric tool and the double pressures connecting with electric tool
Battery pack.Electric tool can be the similar electric tools such as grass trimmer, loosenning tiller, snowplough, pruner.Electric tool has
Male plug part 700 is selectively connect so that two different double pressures with two different double piezoelectric battery packets by male plug part 700
Battery pack provides identical output voltage to electric tool, and output voltage is the voltage rating of electric tool, so that electronic work
Has work.
In the present invention, two different double piezoelectric battery packets are respectively first pair of piezoelectric battery packet 101 and second pair of pressure
Battery pack 102.
Shown in please referring to Fig.1 to Fig.3, first pair of piezoelectric battery packet 101 includes shell 11, two groups be contained in shell 11 electricity
The first electrode plug base 12 and be contained in first electrode plug base 12 that core (not shown) and two groups of battery cores are electrically connected
First female end sub-component 13.First female end sub-component 13 includes four be electrically connected corresponding with the positive electrode and negative electrode of two groups of battery cores
Electrode terminal, the charging terminal 51 for charging and the communication terminal 61 for communication.
Specifically, first electrode plug base 12 has seven container (not labeled).Define seven containers from a left side to
Right (direction as shown in arrow in Fig. 2 and Fig. 3) be followed successively by the first container, the second container ..., the 7th container;Wherein,
The electrode terminal being contained in the first container and the 4th container is respectively to appoint in two groups of battery cores of first pair of piezoelectric battery packet 101
First positive terminal 31 and the first negative terminal 41 of one group of battery core of anticipating;The electricity being contained in the 5th container and the 7th container
The second positive terminal 32 and the second negative terminal 42 of another group of battery core in extreme son respectively two groups of battery cores, and the 4th container
It is opposite with the polarity of electrode terminal in the 5th container;Charging terminal (not shown) and communication terminal 61 are contained in third receiving
In slot;Remaining two containers are vacancy 30;That is, can successively arrange in seven containers in first electrode plug base 12
For the first negative terminal 41, vacancy 30, charging terminal 51 and communication terminal 61, the first positive terminal 31, the second negative terminal 42,
Vacancy 30 and the second positive terminal 32.Certainly, alternatively, it is also possible to arrange as the first positive terminal 31, vacancy 30, charging end
Son 51 and communication terminal 61, the first negative terminal 41, the second positive terminal 32, vacancy 30 and the second negative terminal 42.
The voltage of single group battery core in two groups of battery cores of first pair of piezoelectric battery packet 101 is nV.In this way, when first pair of piezoelectricity
For two groups of battery cores of pond packet 101 in when being connected in parallel state, output voltage is first voltage nV;When first pair of piezoelectric battery packet
When 101 two groups of battery cores are in series connection state, output voltage is second voltage 2nV.
It please refers to shown in fig. 4 to fig. 6, second pair of piezoelectric battery packet 102 includes shell 21, two groups be contained in shell 21 electricity
The second electrode plug base 22 and be contained in second electrode plug base 22 that core (not shown) and two groups of battery cores are electrically connected
Second female end sub-component 23.Second female end sub-component 23 includes four be electrically connected corresponding with the positive electrode and negative electrode of two groups of battery cores
Electrode terminal, the charging terminal 51 for charging and the communication terminal 61 for communication.
Specifically, second electrode plug base 22 also has seven container (not labeled).Seven containers are defined from a left side
To right (direction as shown in arrow in Fig. 5 and Fig. 6) be followed successively by the first container, the second container ..., the 7th container;Its
In, the electrode terminal being contained in outermost two containers of second electrode plug base 22 is respectively second pair of piezoelectric battery packet
The third positive terminal 33 Yu third negative terminal 43 of any one group of battery core in 102 two groups of battery cores;Against third positive terminal
33 with two containers of third negative terminal 43 accommodate in two groups of battery cores respectively the 4th positive terminal 34 of another group of battery core with
4th negative terminal 44;The polarity of electrode terminal in two adjacent containers is identical;Charging terminal 51 and communication terminal 61
It is contained in third container;Remaining container is set as vacancy 30.That is, seven containers in second electrode plug base 22
It is interior successively to arrange as third negative terminal 43, the 4th negative terminal 44, charging terminal 52 and communication terminal 62, vacancy 30, sky
The 30, the 4th positive terminal 34 of position and third positive terminal 33.Certainly, alternatively, it is also possible to arrange for third positive terminal 33,
4th positive terminal 34, charging terminal 52 and communication terminal 62, vacancy 30, vacancy 30, the 4th negative terminal 44 and third cathode
Terminal 43.
The voltage of single group battery core in two groups of battery cores of second pair of piezoelectric battery packet 102 is 2nV.In this way, when second pair of pressure
For two groups of battery cores of battery pack 102 in when being connected in parallel state, output voltage is second voltage 2nV;When second pair of piezoelectric battery
When two groups of battery cores of packet 102 are in series connection state, output voltage is tertiary voltage 4nV.
Charging terminal 51 and communication terminal 61, which are presented down, to be set in a container, and charging terminal 51 is set to communication
The top of terminal 61.
It please refers to shown in Fig. 7 to Fig. 9, male plug part 700 includes pedestal 71 and the male plug piece 72 being interspersed on pedestal 71.Pedestal
The 71 battery pack mating surface (not labeled) that there is the width direction along pedestal 71 to be oppositely arranged and electric tool joint face 701, electricity
Pond packet mating surface is arranged towards battery pack.Male plug piece 72 includes the first male plug piece successively arranged along the length direction of pedestal 71
721, male plug piece 722, connection male plug piece 723 and the second male plug piece 724 are communicated.First male plug piece 721, the second male plug piece 724
And connection male plug piece 723 includes two connection sheets 720 arranged side by side.The extending direction of connection sheet 720 and pedestal 71
Length direction is vertical.Two connection sheets 720 arranged side by side are protruded out from battery pack cooperation towards battery pack direction and two connections
Piece 720 is connected.
It please refers to shown in Figure 10, in the present invention, the first male plug piece 721, the second male plug piece 724 and connection male plug
The interconnecting piece 73 for connecting corresponding two connection sheets 720 is equipped on piece 723.Interconnecting piece 73 includes from electric tool joint face
The flat part 732 of 701 two be oppositely arranged the extensions 731 extended to electric tool direction and two extensions 731 of connection.
Opening up U-shaped is collectively formed in two extensions 731 and flat part 732.
First male plug piece 721, the second male plug piece 724 a connection sheet 720 be equipped with from electric tool joint face 701 to
The voltage output portion 74 of electric tool direction projection.Voltage output portion 74 is set to corresponding 73 top of interconnecting piece and is exposed to base
In order to which it connect with the voltage input port (not shown) of electric tool outside seat 71, to provide electric energy to electric tool.
Connection male plug piece 723 is contained in pedestal 71 completely on electric tool joint face 701, and connection male plug piece 723 is only
For being connect with double piezoelectric battery packets, it is not connect with electric tool machinery.
Male plug piece 722 is communicated to be single chip architecture and be equipped with from electric tool joint face 701 to the projection of electric tool direction
Communicate output section 75.Particularly, the height of monolithic connection sheet 722 is lower than the height of connection sheet 720, and logical with double piezoelectric battery packets
Believe that the position of terminal 61 corresponds to each other.So set, when male plug part 700 is plugged in double piezoelectric battery packets, the one of monolithic connection sheet 722
End and 61 grafting of communication terminal, will not influence charging terminal 51;The communication output section 75 of the other end be exposed to outside pedestal 71 with
It is connect convenient for it with electric tool.
In the present embodiment, the first male plug piece 721, communication male plug piece 722, connection male plug piece 723 and the second male plug
The connection sheet 720 of piece 724 is successively arranged along the length direction of pedestal 71.So set, when electric tool by male plug part 700 with
When the first electrode plug base 12 of the first pair of piezoelectric battery packet 101 cooperates, each connection sheet 720 with it is each in first electrode plug base 12
The corresponding grafting of terminal;That is, two connection sheets 720, four with first pair of piezoelectric battery packet 101 respectively of connection male plug piece 723
Two opposite polarity electrode terminals in electrode terminal are electrically connected;One connection sheet 720 of the first male plug piece 721 and second
One connection sheet 720 of male plug piece 724 is electrical with two opposite polarity electrode terminals remaining in four electrode terminals respectively
Connection, the first male plug piece 721 is corresponding with remaining two connection sheets 720 of the second male plug piece 724 to be contained in vacancy 30, that is,
The two remaining connection sheets 720 are not electrically connected with first pair of piezoelectric battery packet 101.At this point, in first pair of piezoelectric battery packet 101
The connection status of two groups of battery cores is as shown in figure 11, and two groups of battery cores in first pair of piezoelectric battery packet 101 are in series connection, then, and this
When first pair of piezoelectric battery packet 101 output voltage be second voltage 2nV.
When electric tool is inserted into the second electrode plug base 22 of second pair of piezoelectric battery packet 102 by male plug part 700, respectively connect
The grafting corresponding with each terminal in second electrode plug base 22 of contact pin 720;In first male plug piece 721 and four electrode terminals
The identical electrode terminal of two polarity is electrically connected, the second male plug piece 724 and two polarity phases remaining in four electrode terminals
Same electrode terminal is electrically connected, and two connection sheets correspondence of connection male plug piece 723 is contained in two vacancy 30, that is, connection
Male plug piece 723 is not electrically connected with second pair of piezoelectric battery packet 102.At this point, the company of two groups of battery cores in second pair of piezoelectric battery packet 102
Connecing that state is as shown in figure 12, two groups of battery cores in second pair of piezoelectric battery packet are in parallel connection, then, and second pair of piezoelectric battery packet at this time
102 output voltage is second voltage 2nV.
It should be noted that the fixed structure that the connection sheet for holding male plug piece also can be set in vacancy 30 (is not schemed
Show), it specifically can be the false terminal that structure is connect as other electrode terminals but not with battery core.So set, improving public affairs
The balance of plug-in unit 700 strengthens being stably connected between male plug part 700 and electrode terminal.
In conclusion the electric tool of the utility model is by male plug part 700 according to two kinds of double piezoelectricity of its selection cooperation
The arrangement of the electrode terminal of Chi Bao, the arrangement by the way that male plug piece 72 is arranged make when mating from different double piezoelectric battery packets
Male plug piece 72 must be connected and be in different working conditions, i.e., whether participate in double piezoelectric battery packets and be electrically connected, to realize electric tool
It can be cooperated with two different double piezoelectric battery packets by male plug part 700 but export identical voltage.So set, increasing electronic
The scope of application of tool system 900 improves the compatibility of product, reduces development cost.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.