CN105856170A - Electric tool and electric tool system - Google Patents
Electric tool and electric tool system Download PDFInfo
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- CN105856170A CN105856170A CN201510032896.6A CN201510032896A CN105856170A CN 105856170 A CN105856170 A CN 105856170A CN 201510032896 A CN201510032896 A CN 201510032896A CN 105856170 A CN105856170 A CN 105856170A
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Abstract
The invention relates to an electric tool. The electric tool comprises tool main bodies and a power device. The power device is used for supplying power to the tool main bodies. Each tool main body comprises a tool shell and a work component. The power device comprises a main shell, a motor, an energy supply unit and a control circuit. The main shell and the tool shells can be detachably installed, and when the main shell is installed on the tool shells, the work components can be driven by the motor. The electric tool further comprises a starting switch. When the tool shells are separated from the main shell, the starting switch is turned off, and a closed circuit cannot be formed between the motor and the energy supply unit. The invention further relates to an electric tool system. According to the electric tool, due to the fact that the power device cannot be started to operate independently, the safety of the power device is improved.
Description
Technical field
The present invention relates to a kind of electric tool.
The invention still further relates to a kind of electric tool system, especially one and include at least two tool body,
And the electric tool system of the power set of power can be provided at least two tool body.
Background technology
Traditional electric tool includes workpiece, motor, drive mechanism, activate switch, control circuit,
Energy provides unit etc., closes activate switch, and energy provides the loop between unit and motor to connect, control
Circuit processed controls motor and starts to rotate, and the rotation of motor is passed to workpiece by drive mechanism, performs phase
The work answered.Wherein, when energy provide unit be battery bag time, battery bag removably with electric tool
Connect.
Traditional electric tool there is problems of, and each electric tool is both needed to arrange motor, energy carries
For the module such as unit, control circuit.When a user buys the different electric tool of N kind, it is paid
Cost be equivalent to N number of motor, N number of control circuit, N number of energy provides unit, N number of workpiece
The summation of cost.But under normal circumstances, user the most only uses a kind of electric tool so that
Other N-1 kind electric tools leave unused, i.e. other N-1 motor, N-1 control circuit, N-1 energy
Amount provides unit to be in idle state.
Based on this, relevant manufacturers devises a kind of electric tool, and this electric tool has dismountable and energy
Tool body for different electric tools provides the power set of power, thus improves motor, control circuit
Deng, energy provides the utilization rate of unit universal component.But due to these power set be integrated with simultaneously motor and
Energy provides unit, if operator's improper use, power set can be caused not yet to be installed to tool body
I.e. start work, cause the injury to operator so that the security performance of electric tool is low.To this end, must
Must develop a kind of electric tool, it has the power set that security performance is higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electric tool, and this electric tool has can be for not
The tool body of same electric tool provides power and the power set of operation safety.
In order to solve above-mentioned technical problem, technical scheme is as follows: a kind of electric tool, bag
Including tool body and power set, described power set provide power, described tool body for tool body
Including, tool housing, and the workpiece supported by described tool housing；Described power set include,
Main casing, and supported by described main casing motor, for motor provide energy energy provide unit,
And control the control circuit of the rotary motion of motor；Described main casing can be detachable with described tool housing
Ground is installed, and when described main casing is installed on described tool housing, described workpiece can be by described motor
Drive；Described electric tool still further comprises activate switch, when described tool housing and described main casing
During separation, close described activate switch, cannot be formed between described motor and described energy offer unit and close
Close loop, when described main casing is installed on described tool housing, close described activate switch, described horse
Reach and described energy provides and forms closed-loop path between unit.
Preferably, described activate switch is arranged on described tool housing.
Preferably, described energy provides unit to be battery bag.
Preferably, described battery bag removably can be installed with described main casing.
Preferably, described power set still further comprise the recognition unit supported by described main casing；Institute
State the type of the tool body that recognition unit identification is installed with described power set, and generate and tool body
Signal corresponding to type be sent to control circuit；The signal that described control circuit is transmitted according to recognition unit
Control the rotary motion of motor output and tool body type matching.
Preferably, described recognition unit includes detecting element and processes circuit, and the detection of described detecting element comes
From the input signal of the tool body installed with described power set, detecting element is examined by described process circuit
The input signal surveyed is converted to the signal corresponding with tool body type and is sent to control circuit.
Preferably, described recognition unit includes selecting element and processing circuit, and described selection element is operable
The type of ground setting means main body, the setting result selecting element is converted to and instrument by described process circuit
The signal that the type of main body is corresponding is sent to control circuit.
Preferably, described tool housing is provided with the first installation portion housing main casing, and described main casing is pacified
When being loaded on described tool housing, described main casing at least 1/3 be partially housed in described first installation portion.
Preferably, described power set include the output shaft being connected with motor, described tool body include with
The power shaft that workpiece connects, when main casing is installed on tool housing, described output shaft is defeated with described
Entering axle to connect, described workpiece can be driven by described motor.
Preferably, in described power shaft and output shaft is provided with accepting groove, described power shaft
Another in output shaft is provided with projection, when main casing is installed on tool housing, described prominent
Block is contained in accepting groove, and projection can not move around the circumference of output shaft relative to accepting groove.
Preferably, described accepting groove is internal spline, and described projection is external splines.
Preferably, described tool body also includes the gripping handle supported by described tool housing, described work
Making parts when being driven by described motor, described gripping handle is gripped by operator.
The present invention provides the benefit that after implementing: before power set are not mounted to tool body, operator
Guan Bi activate switch, motor is without output, it is to avoid operator is damaged by motor output.
The technical problem to be solved in the present invention is to provide a kind of electric tool system, and this electric tool system is extremely
Few two kinds of tool bodies, and power and the power set of operation safety can be provided for different tool bodies.
In order to solve above-mentioned technical problem, technical scheme is as follows: a kind of electric tool system,
Including power set and at least two tool body, described power set are described at least two tool body
Thering is provided power, tool body includes each of in described at least two tool body, tool housing, with
And the workpiece supported by described tool housing；Described power set include, main casing, and by described
Main casing support motor, for motor provide energy energy provide unit and control motor rotation fortune
Dynamic control circuit；Described main casing removably can be installed with described tool housing, when described main casing
When body is installed on described tool housing, described workpiece can be driven by described motor；Described electric tool
System still further comprises activate switch, when described tool housing separates with described main casing, closes institute
State activate switch, between described motor and described energy offer unit, closed-loop path cannot be formed, when described
When main casing is installed on described tool housing, closing described activate switch, described motor carries with described energy
For forming closed-loop path between unit.
Preferably, described power set still further comprise the recognition unit supported by described main casing；Institute
State the type of the tool body that recognition unit identification is installed with described power set, and generate and tool body
Signal corresponding to type be sent to control circuit；The signal that described control circuit is transmitted according to recognition unit
Control the rotary motion of motor output and tool body type matching.
Preferably, tool body also includes by described instrument each of in described at least two tool body
The gripping handle that housing supports, when described workpiece is driven by described motor, described gripping handle is by grasping
Author grips.
Accompanying drawing explanation
Fig. 1 is the structure chart of the electric tool system of a better embodiment；
Fig. 2 is the structural representation of the better embodiment of power set first shown in Fig. 1；
Fig. 3 is the structural representation of the better embodiment of power set second shown in Fig. 1；
Fig. 4 is the structural representation of the better embodiment of power set the 3rd shown in Fig. 1；
Fig. 5 is the structural representation of the better embodiment of power set the 4th shown in Fig. 1；
Fig. 6 is showing of the first better embodiment of the type of the main body of power set identification facility shown in Fig. 4
It is intended to；
Fig. 7 is showing of the second better embodiment of the type of the main body of power set identification facility shown in Fig. 4
It is intended to；
Fig. 8 is the first better embodiment of power set shown in Fig. 1 and the electric connection of tool body
Schematic diagram；
Fig. 9 is the second better embodiment of power set shown in Fig. 1 and the electric connection of tool body
Schematic diagram；
Figure 10 is showing of a better embodiment of the attachment structure with tool body of the power set shown in Fig. 1
It is intended to；
Figure 11 is that power set shown in Figure 10 are in the schematic diagram during installation with tool body；
Figure 12 is the schematic diagram that power set shown in Figure 10 install with tool body.
100 power set 124 lugs
102 main casing 126 guide rails
1022 resettlement section 128 external splines
104 motor 300 blower tool bodies
106 output shaft 301,401,501,601 gripping handles
108 recognition unit 302,402,502,602 tool housings
1080 process circuit 304,404,504,604 workpiece
1082 first Hall element 306 power shafts
1084 second Hall element 308,115 activate switches
1086 the 3rd Hall element 310 Magnet
1088 the 4th Hall element 312 primary nodal points
110 control circuit 314 secondary nodal points
112 energy provide unit 316 first installation portion
1121 the 3rd housing 318 first abutment faces
114 by 320 buckles that compress switch
116 the 3rd node 322 buttons
118 fourth node 324 gathering sills
120 second installation portion 326 internal splines
122 second abutment face 400 grass-mowing machine tool bodies
500 chain saw tool body 600 shrub and hedge trimmer tool bodies
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but appended accompanying drawing
Reference and explanation are only provided, are not used for the present invention is any limitation as.
It is illustrated in figure 1 the structural representation of the electric tool system of a better embodiment.Electric tool
System includes power set 100 and the tool body of at least two electric tool, wherein power set 100
Tool body with this at least two electric tool is removably installed, for this at least two electric tool
Tool body provides power.In present embodiment, the tool body that electric tool system comprises has four kinds,
It is respectively blower tool body 300, grass-mowing machine tool body 400, chain saw tool body 500, prunes
Cut tool body 600.Four kinds of tool bodies are provided with connecing of identical installation power set 100
Mouthful.The dismountable installation of power set 100 and these four kinds of tool bodies, and carry for these four kinds of tool bodies
For power.When any one during power set 100 are installed on these four kinds of tool bodies, i.e. form one
Individual complete electric tool, performs the work that the electric tool of this type performs.
For realizing different tool body energy shared power units 100, the maximum output of power set 100
The highest input power needed for power and all tool bodies that can install power set 100 matches；Dynamic
Needed for the maximum output speed of power apparatus 100 and all tool bodies that can install power set 100
High input speed matches.Illustrate, if needed for all tool bodies that can install power set 100
The highest input power be 1000w, minimum needed for all tool bodies that can install power set 100
Input power is 100w, then the output that power set 100 are provided that necessarily be greater than 1000w.When this
When power set 100 are installed on the tool body that required input power is only 100w, power set 100
Power designs excessive, cause unnecessary waste.If all instruments that can install power set 100
The highest input speed needed for main body is 20000 revs/min, all instrument masters that can install power set 100
Minimum input speed needed for body is 1000 revs/min, then the output speed that power set 100 are provided that must
Must be higher than 20000 revs/min.It is only 1000 revs/min when these power set 100 are installed on required input rotating speed
Tool body time, the Design of Rotation of power set 100 is too high, causes unnecessary waste.For reaching
To the shared effect that power set 100 are most economical between different tool bodies, it is preferred that electronic work
The highest input power needed for the different types of tool body that tool system comprises is similar；Preferably, electricity
The highest input speed needed for the different types of tool body that power driven tools system comprises is similar.
As it is shown in figure 1, blower tool body 300 includes tool housing 302, and by tool housing
302 workpiece 304 supported and gripping handles 301.Grass-mowing machine tool body 400 includes tool housing
402, and the workpiece 404 that supported by tool housing 402 and gripping handle 401.Chain saw instrument master
Body 500 includes tool housing 502, and the workpiece 504 that supported by tool housing 502 and gripping
Handle 501.Shrub and hedge trimmer tool body 600 includes tool housing 602, and is supported by tool housing 602
Workpiece 604 and gripping handle 601.Workpiece 304 (404,504,604) receives power set
The power of 100 transmission, and it is translated into the power output matched with tool body.Gripping handle
301 (401,501,601) are for when electric tool works, i.e. power set 100 provide dynamic for tool body
Power, and when workpiece 304 (404,504,604) has output, operator grip.Gripping handle
301 (401,501,601) are arranged on tool body so that can be that different types of tool body configures not
Gripping handle 301 (401,501,601) with type.It will be appreciated by persons skilled in the art that gripping
Handle 301 (401,501,601) can also be arranged on power set 100, under this structure, and all types
Its gripping handle 301 (401,501,601) of electric tool the most identical, tool body type will not be followed
Change and change.In contrast, gripping handle 301 (401,501,601) is arranged on tool body,
Owing to the structure of every kind of gripping handle 301 (401,501,601) adapts with tool body type, Ke Yiming
The comfortableness that the aobvious operator of raising grips.
It is illustrated in figure 2 the concrete structure of the first better embodiment of power set 100.Power set
100 include main casing 102, motor 104, control circuit 110.Control circuit 110 controls motor 104
Rotary motion.Main casing 102 is removably installed in tool housing 302 (402,502,602).Work as master
When housing 102 is installed on described tool housing 302 (402,502,602), workpiece 304 (404,504,604)
Can be driven by motor 104, i.e. the power of motor 104 can pass to workpiece 304 (404,504,604).
Preferably, motor 104 is brushless electric machine.Control circuit 110 controls commutation and the rotation thereof of brushless electric machine
Speed.In present embodiment, the output of power set 100 will not be according to the difference of the type of tool body
And change.Under this structure, for realize power set 100 between different tool bodies general, permissible
Corresponding structure is set in tool body, the input that constant is converted to and tool body type phase
The input of coupling.
It is illustrated in figure 3 the concrete structure of the second better embodiment of power set 100.Second is preferable
Embodiment is improved by relative to the first better embodiment, and power set 100 can recognize that different works
Tool type of subject, corresponding output and the rotary motion of tool body type matching.Concrete, power
Device 100 includes main casing 102, motor 104, recognition unit 108, control circuit 110.Main casing
102 are removably installed in tool housing 302 (402,502,602).When main casing 102 is installed on described work
During tool housing 302 (402,502,602), workpiece 304 (404,504,604) can be driven by motor 104,
The i.e. power of motor 104 can pass to workpiece 304 (404,504,604).Motor 104 may select
Ground output rotary motion.Recognition unit 108 identifies the type of the tool body installed with power set 100,
And the generation signal corresponding with tool body type is sent to control circuit 110.Control circuit 110
The signal sent according to recognition unit 108 controls the rotation of motor 104 output and tool body type matching
Motion.When power set 100 are installed on different tool bodies, control circuit 110 is single according to identifying
The signal that unit 108 sends, can control motor 104 and export different rotary motions, thus to work portion
Part 304 transmits different power, and then makes the tool body being provided with these power set 100 can be defeated
Go out the power output with tool body type matching.It is achieved in power set 100 at different instruments
Share between main body.
It is illustrated in figure 4 the concrete structure of the 3rd better embodiment of power set 100.Power set
100 include that main casing 102, motor 104, recognition unit 108, control circuit 110 and energy provide
Unit 112.Main casing 102 is removably installed in tool housing 302 (402,502,602).Work as main casing
102 when being installed on described tool housing 302 (402,502,602), and workpiece 304 (404,504,604) can
Driven by motor 104, i.e. the power of motor 104 can pass to workpiece 304 (404,504,604).
Motor 104 selectively exports rotary motion.Energy provides unit 112 to provide power for motor 104.
Energy provides unit 112 can be ac power cable, it is also possible to for chargeable energy-storage units or permissible
AC or D/C power are provided simultaneously.Recognition unit 108 identifies the instrument master installed with power set 100
The type of body, and generate and be sent to control circuit 110 with the signal of tool body type matching.Control
Circuit 110 controls the rotary motion of motor 104 according to the signal that recognition unit 108 sends.When power fills
Put 100 when being installed on different tool bodies, the letter that control circuit 110 sends according to recognition unit 108
Number, motor 104 can be controlled and export different rotary motions, thus transmit difference to workpiece 304
Power, and then the tool body being provided with these power set 100 can be exported and tool body class
The power output that type matches.It is achieved in power set 100 to share between different tool bodies.
Additionally, in present embodiment, energy offer unit 112 is together with motor 104 other elements such as grade, jointly
It is arranged in main casing 102.The structure that this kind of structure makes power set 100 is single, it is simple in difference
Electric tool between carry out conversion use.
As it is shown in figure 5, the present invention also provides for the 4th better embodiment of power set 100.4th relatively
Good embodiment is relative to the difference of the 3rd better embodiment, when energy provides unit 112 for filling
Electricity energy-storage units time, energy provide unit 112 there is the 3rd independent housing 1121.Power set 100
In be provided with and house the 3rd housing 1121 and fixedly mount the resettlement section 1022 of the 3rd housing 1121.Energy
There is provided unit 112 removably to be installed by the main casing 102 of power set 100 and support, thus produce
Providing the benefit that, energy provides unit 112 to remain traditional structure, it is possible to use traditional charging
Device is its charging, charges more convenient.
The present invention also provides for the 5th better embodiment of power set 100.5th better embodiment phase
Difference to the 3rd better embodiment is, power set 100 do not comprise recognition unit 108.
The present invention also provides for the 6th better embodiment of power set 100.6th better embodiment phase
Difference to the 4th better embodiment is, power set 100 do not comprise recognition unit 108.
In six kinds of embodiments of power set 100, the power dress of the first and second better embodiment
Put 100 and energy offer unit 112 is not provided.Under this structure, energy provides unit 112 to be arranged at instrument
In main body.Energy provides unit 112 to be unremovably arranged on tool body, or is removably disposed
On tool body.
In aforementioned various embodiment, when energy provides unit 112 to be battery bag, battery bag voltage is
20V and above voltage.
The recognition unit 108 of power set 100 identifies that the mode of the type of the tool body of electric tool has
Multiple, including automatically identifying and semi-automatic identification two ways.Automatically the tool body of electric tool is identified
Type may be accomplished by: on tool body arrange with specific tool body type phase
The marker elements joined.When power set 100 are installed to tool body, recognition unit 108 is by setting
Put detecting element detection marker elements within it, the signal identification marking unit detected by detecting element
The type of part, and then identify the type of this tool body.The type of semiautomatic fashion identification electric tool can
It is accomplished by: recognition unit 108 includes being arranged on and arranges for user operation on main casing 102
Selection element, select element be operationally in different conditions.User selects element to be in by operation
The type of different state setting means main bodys, recognition unit 108 identifies user's state to selecting element
Operating result, thus identify the type of the tool body that user sets.Below with power set 100
As a example by 3rd better embodiment, in conjunction with Fig. 6 and Fig. 7, these two kinds of recognition method are introduced.Ability
Field technique personnel are it is understood that recognition method introduced below is equally applicable to power set 100
Other embodiments.
It is illustrated in figure 6 the structural representation of a better embodiment of automatic identification facility type of subject.
In present embodiment, recognition unit 108 is identified automatically by non-contacting mode pacifies with power set 100
The type of the tool body of dress.Concrete, recognition unit 108 include processing circuit 1080 and four be positioned at
Hall element on diverse location, is respectively positioned at the first Hall element 1082 of primary importance, is positioned at
Second Hall element 1084 of two positions, is positioned at the 3rd Hall element 1086 of the 3rd position, is positioned at the 4th
4th Hall element 1088 of position.On the tool housing 302 (402,502,602) of four kinds of tool bodies
Being respectively provided with a Magnet 310, its position is corresponding with in aforementioned four Hall element respectively, with
Ensure that when power set 100 are installed to tool body, Hall element can sense Magnet 310.Work as main casing
When body 102 is installed on tool housing 302 (402,502,602), due to installation site and the magnetic of Hall element
The corresponding relation of the installation site of ferrum, Magnet 310 is near the first Hall element 1082, away from the second Hall
Element the 1084, the 3rd Hall element 1086 and the 4th Hall element 1088.Now the first Hall element 1082
Produce hall signal, the second Hall element the 1084, the 3rd Hall element 1086 and the 4th Hall element 1088
Do not produce hall signal.Process circuit 1080 and receive hall signal, and identify this hall signal from
First Hall element 1082, the most i.e. may recognize that the type of the tool body installing power set 100.
In other embodiments, marker elements can also be mechanical contact, and recognition unit 108 includes two
Individual arrangement above is in the mechanical switch of diverse location, and the position of mechanical switch is relative with the position of mechanical contact
Should.When power set 100 are installed on tool body, the mechanical contact on tool body triggers corresponding
Mechanical switch on position.Mechanical switch closes after being triggered.Recognition unit 108 according to state by disconnecting
Transfer the position of the mechanical switch of Guan Bi to, identify the type of the tool body installing power set 100.
Additionally, marker elements can also be photoswitch, two-dimensional encoded, identify other forms any such as resistance.
Fig. 7 show power set 100 by the one of semiautomatic fashion identification power tool type preferably
Embodiment.Recognition unit 108 include processing circuit 1080 and be arranged on main casing 102 and can by with
The selection element of family manual operation.In present embodiment, select element for by compressing switch 114.When presetting
In, operator's pressing is once by compressing switch 114, and represent that user selects is the electronic of the first type
Instrument；Press twice by compressing switch 114, represent that user selects is the electric tool of the second type.
The rest may be inferred, in Preset Time, 114 is pressed different number of times by compressing switch, represents user and have selected
Different types of electric tool.Process circuit 1080 to identify in Preset Time and 114 be pressed by compressing switch
Number of times, can recognize the type of the electric tool that user selects.Thus realize semi-automatically identifying installation
The type of the tool body of power set 100.
In other embodiments, selecting element can be have specific markers multiple by compressing switch 114,
A kind of specific markers by compressing switch 114, represent a type of tool body.Selection element is all right
For having multiple gear toggle, when toggle is operatively in a certain particular gears, represents user and have selected
A certain certain types of tool body.
Power set 100 as an independent power subject, need to its work time the safety problem brought
Protect.In the present invention, arranged by the circuit between power set 100 and tool body and electrical
Connect and ensure not work when power set 100 are independently arranged, be only installed to work when power set 100
Just can start work time in tool main body, thus avoid power set 100 as an independent power master
The safety problem that body brings.Below as a example by power set 100 are the 3rd better embodiment, to electronic
The circuit block diagram of several better embodiment of instrument is introduced.It will be appreciated by those skilled in the art that
It is that the electrical connection between power set 100 and tool body that circuits below block diagram is embodied is same
Sample is applicable to other embodiments of power set 100.
It is illustrated in figure 8 the circuit block diagram of the first better embodiment of electric tool.In present embodiment,
Power set 100 include motor 104, and energy provides unit 112, recognition unit 108, control circuit 110
And two electrical nodes, the 3rd node 116 and fourth node 118.Wherein the 3rd node 116 and energy
Amount provides unit 112 to be electrically connected with, and secondary nodal point 314 is electrically connected with motor 104.Tool body bag
Include activate switch 308 and two electrical nodes being electrically connected with the both sides of activate switch 308, first
Node 312 and secondary nodal point 314.Activate switch 308 has closed and disconnected two states, through operation
Person triggers can be converted to closure state by off-state.Each mould that power set 100 and tool body comprise
The function of block is identical with aforementioned embodiments.As shown in Figure 8, the 3rd node 116 and fourth node 118
Between be that off-state, therefore motor 104 and energy provide between unit 112 and not yet form closed-loop path.
When main casing 102 is installed on tool housing 302, the 3rd node 116 and fourth node 118 are by the
One node 312 and secondary nodal point 314 are electrically connected with.Now Guan Bi activate switch 308, motor 104 with
Energy provides and forms closed-loop path between unit 112, and energy provides unit 112 to provide energy for motor 104
Amount, control circuit 110 controls motor 104 and starts to rotate.When tool housing 302 and main casing 102 phase
When separating mutually, motor 104 and energy provide and not yet form closed-loop path between unit 112, and Guan Bi starts
Switch 308, motor 104 and energy provide still cannot form closed-loop path between unit 112, and energy carries
Energy, motor 104 cannot be provided to operate for motor 104 for unit 112.
It is illustrated in figure 9 the circuit block diagram of the second better embodiment of electric tool.In present embodiment,
Power set 100 include motor 104, and energy provides unit 112, recognition unit 108, control circuit 110,
Activate switch 115 and two electrical nodes, the 3rd node 116 and fourth node 118.Wherein the 3rd
Node 116 and energy provide unit 112 to be electrically connected with, and secondary nodal point 314 is electrically connected with motor 104.
Activate switch 115 is arranged on energy and provides between unit 112 and motor 104, has closed and disconnected two
The state of kind.Activate switch 115 triggers can be converted to closure state by off-state through operator.Instrument master
Body includes two electrical nodes being interconnected, primary nodal point 312 and secondary nodal point 314.Power set
The function of the 100 each modules comprised with tool body is identical with aforementioned embodiments.As it is shown in figure 9, the
Being off-state between three nodes 116 and fourth node 118, therefore motor 104 provides unit with energy
Closed-loop path is not yet formed between 112.When main casing 102 is installed on tool housing 302, Section three
Point 116 and fourth node 118 are electrically connected with by primary nodal point 312 and secondary nodal point 314.Now close
Closing activate switch 308, motor 104 and energy and provide formation closed-loop path between unit 112, energy carries
There is provided energy, control circuit 110 to control motor 104 for unit 112 for motor 104 to start to rotate.When
When tool housing 302 and main casing 102 are separated from each other, motor 104 and energy provide between unit 112
Not yet forming closed-loop path, closing activate switch 308, motor 104 and energy provides between unit 112
Still cannot form closed-loop path, energy provides unit 112 cannot provide energy, motor 104 for motor 104
Cannot operate.
3rd node 116 and fourth node 118 disconnect the structure arranged and ensure that power set 100 are with electronic
Before instrument is set up before being electrically connected with, that is power set 100 are installed on electric tool, power fills
Put 100 and can not start work.Which thereby enhance the safety of power set 100.
The mode setting up electric connection between power set 100 and tool body has multiple.Nothing can be passed through
The mode of line or wired mode realize primary nodal point 312 and the electric connection of the 3rd node 116, and second
Node 314 and the electric connection of fourth node 118 thus realize between power set 100 and tool body
Set up and be electrically connected with.Wherein, wired mode can be, tool body is arranged and primary nodal point 312
The the first connection terminal being electrically connected with, second be electrically connected with secondary nodal point 314 is connected terminal.Power
The 3rd be electrically connected with the 3rd node 116 is set on device 100 and is connected terminal, with fourth node 118
The 4th connection terminal being electrically connected with.First connect terminal, second connect terminal, the 3rd connect terminal,
4th connection terminal can be separate terminal, and the first position connecting terminal is connected end with the 3rd
The position of son is corresponding, and the position that the position of the second connection terminal connects terminal with the 4th is corresponding.When dynamic
When power apparatus 100 is installed to tool body, first connects terminal and the 3rd connects terminal connection, and second even
Connecting terminal and the 4th connects terminal and connects so that sets up between power set 100 and tool body and electrically connects
Connect.Now, close activate switch 308, motor 104 and energy and the loop quilt between unit 112 is provided
Connect.First connects terminal and second connects terminal it can also be provided that one, and correspondingly, the 3rd connects
Terminal and the 4th connects the integrative-structure that terminal is also configured as matching.Can realize equally, work as power set
When 100 installations are to tool body, first connects terminal and the 3rd connects terminal connection, and second connects terminal
It is connected terminal to connect with the 4th, it is achieved set up between power set 100 and tool body and be electrically connected with.
The present invention also provides for the 3rd better embodiment and realizes separating with main casing 102 when tool housing 302
Time, close activate switch 115, cannot be formed between motor 104 and energy offer unit 112 and close back
Road, when main casing 102 is installed on tool housing 302, closes activate switch 115, motor 104 with
Energy provides and forms closed-loop path between unit 112.3rd better embodiment and the second preferable embodiment party
The difference of formula is, arranges detecting element and examined unit between the 3rd node 116 and fourth node 118
The switch element that part controls.When detecting element detects that main casing 102 is installed on tool housing 302,
Send corresponding control signal and control switch element Guan Bi.Now, the 3rd node 116 and fourth node 118
Electrical communication, closes activate switch 115, motor 104 and energy and provides formation Guan Bi between unit 112
Loop, motor 104 starts to rotate.Otherwise, detecting element detects that main casing 102 is fitted without in work
During tool housing 302, send corresponding control signal and control switch element disconnection.Now, the 3rd node 116
With fourth node 118 cannot electrical communication, close activate switch 115, motor 104 and energy provide single
Cannot form closed-loop path between unit 112, motor 104 cannot rotate.
Above describe the electric connection between power set 100 and tool body.Below in conjunction with Figure 10
To Figure 12, illustrate the mechanical connection between power set 100 and tool body.
When the mechanical connection between power set 100 and tool body is described, with blower work
As a example by tool main body 300, the connection between power set 100 and tool body is described in detail, power
Device 100 and grass-mowing machine tool body 400, chain saw tool body 500, shrub and hedge trimmer tool body 600,
And the attachment structure between other any means main bodys all refers to power set 100 and blower instrument
Attachment structure between main body 300.Mechanical connection between power set 100 and tool body includes work
The mechanical connection of tool housing 302 and main casing 102, and the motor 104 of power set 100 and instrument
Attachment structure between the workpiece 304 of main body.
Tool housing 302 is provided with the first installation portion 316, and main casing 102 is provided with the second installation portion 120.
First installation portion 316 selectively cooperates with the second installation portion 120.When the first installation portion 316 with
When second installation portion 120 coordinates, tool housing 302 is relative with main casing 102 immovable fixing.
Be as shown in Figure 10 the first installation portion 316 and the second installation portion 120 one that realizes cooperating preferably
Embodiment.First installation portion 316 include being arranged at the first abutment face 318 inside tool housing 302,
It is arranged at the buckle 320 outside tool housing 302, triggers the button 322 of buckle 320 and play guiding
The gathering sill 324 of effect.Pressing button 322 can make buckle 320 be in release conditions or locking state.
Second installation portion 120 include being arranged at the second abutment face 122 outside main casing 102, lug 124 with
And guide rail 126.The position of lug 124 and number match with position and the number of buckle 320.Guide rail
The position of 126 and number match with position and the number of gathering sill 324.Tool housing 302 and main casing
When body 102 installs, the first abutment face 318 abuts with the second abutment face 122, guide rail 126
Being contained in gathering sill 324, buckle 320 is in locking state, thus locks lug 124 so that work
Tool housing 302 is relative with main casing 102 immovable fixing.
Pressing button 322, makes buckle 320 be in release conditions.Subsequently, leading power set 100
Rail 126 aligns with the gathering sill 324 of tool body, and the longitudinally along gathering sill 324 pushes power dress
Putting 100 makes it close to tool body, arrives position as shown in figure 11.Push power set further
100, until the first abutment face 318 abuts with the second abutment face 122.Subsequently, discharge button 322,
Buckle 320 is made to be in locking state so that tool housing 302 installs with main casing 102, reaches
State as shown in figure 12.Under state shown in Figure 12, main casing 102 is partially housed in tool housing
In 302.Preferably, first peace being partially housed in tool housing 302 of main casing 102 at least 1/3
In dress portion 316.This structure makes the installation between power set 100 and tool body more firm, whole
The center of gravity layout of machine is more reasonable.
As shown in Figure 10 to Figure 12, the mechanical connection between power set 100 and tool body also includes
Connection between motor 104 and the workpiece 304 of tool body of power set 100.Power set
100 include the output shaft 106 being connected with motor 104.Tool body includes being connected with workpiece 304
Power shaft 306.Between motor 104 and output shaft 106 and workpiece 304 and power shaft 306 it
Between all optional power transmission mechanism is set.Typically, power transmission mechanism is gear structure.By defeated
Enter the connection between axle 306 and output shaft 106 and realize the connection of motor 104 and workpiece 304.Defeated
Connection between shaft 106 and power shaft 306 is detachable.When main casing 102 is installed on tool housing 302
Time, output shaft 106 and power shaft 306 be in connection status, and the relative power shaft 306 of output shaft 106 encloses
Irremovable around the circumference of output shaft 106.The output shaft 106 of power set 100 is defeated with tool body
The better embodiment entering axle 306 mechanical connection is to be provided with accepting groove on power shaft 306, output
It is provided with projection on axle 106.When main casing 102 is installed on tool housing 302, projection is contained in receipts
In tank, it is mobile around the circumference of output shaft 106 that accepting groove limits projection.In a better embodiment,
Accepting groove is internal spline 326, and projection is external splines 128.In other embodiments, accepting groove and projection
Can also be for thinking other structures such as unmatched tetragonal body, flange.
Due between motor 104 and output shaft 106, and between workpiece 304 and power shaft 306,
The most selectively arranging drive mechanism, therefore, power set 100 can be the output of workpiece 304
Axle tool body that is parallel with the output shaft of motor 104 or that overlap provides power, it is also possible to for workpiece
The output shaft of the output shaft of 304 and motor 104 is at an angle of the tool body of setting and provides power.Preferably,
The output shaft of the workpiece of at least two tool body that electric tool system comprises all with motor 104
Output shaft is parallel or overlaps.Thus bring the simple in construction providing the benefit that tool body, it is not necessary to extra
Drive mechanism is set and carries out angular transition at the output shaft of motor 104 and the output shaft of workpiece 304.
The above-mentioned definition to each element is not limited in various concrete structures or the shape mentioned in embodiment,
It can be carried out replacing with knowing simply by those of ordinary skill in the art.
It may occur to persons skilled in the art that, the present invention can also have other a implementation, but only
Want its technical spirit used and the present invention same or like seemingly, or any change made based on the present invention
Change and replace all within protection scope of the present invention.
Claims (15)
1. an electric tool, including tool body and power set, described power set provide dynamic for tool body
Power, it is characterised in that
Described tool body includes, tool housing, and the workpiece supported by described tool housing；
Described power set include, main casing, and supported by described main casing motor, for motor provide
The energy of energy provides the control circuit of the rotary motion of unit and control motor；
Described main casing removably can be installed with described tool housing, when described main casing is installed on described
During tool housing, described workpiece can be driven by described motor；
Described electric tool still further comprises activate switch, when described tool housing separates with described main casing
Time, close described activate switch, between described motor and described energy offer unit, closed-loop path cannot be formed,
When described main casing is installed on described tool housing, close described activate switch, described motor and described energy
Amount provides and forms closed-loop path between unit.
Electric tool the most according to claim 1, it is characterised in that described activate switch is arranged on described work
On tool housing.
Electric tool the most according to claim 1, it is characterised in that described energy provides unit to be battery bag.
Electric tool the most according to claim 3, it is characterised in that described battery bag can be with described main casing
Body is removably installed.
Electric tool the most according to claim 1, it is characterised in that described power set still further comprise
The recognition unit supported by described main casing；The instrument that described recognition unit identification is installed with described power set
The type of main body, and generate the signal corresponding with the type of tool body be sent to control circuit；Described control
Circuit controls the rotary motion of motor output and tool body type matching according to the signal that recognition unit transmits.
Electric tool the most according to claim 5, it is characterised in that described recognition unit includes detecting element
With process circuit, the detection of described detecting element is from the input letter of the tool body installed with described power set
Number, the input signal that detecting element detects is converted to corresponding with tool body type by described process circuit
Signal is sent to control circuit.
Electric tool the most according to claim 5, it is characterised in that described recognition unit includes selecting element
With process circuit, the type of described selection element operationally setting means main body, described process circuit will choosing
Select the setting result of element to be converted to the signal corresponding with the type of tool body and be sent to control circuit.
Galvanic electricity power driven tools the most according to claim 1, it is characterised in that described tool housing is provided with collecting
First installation portion of main casing, when described main casing is installed on described tool housing, described main casing at least 1/3
Be partially housed in described first installation portion.
Electric tool the most according to claim 1, it is characterised in that described power set include with motor even
The output shaft connect, described tool body includes the power shaft being connected with workpiece, when main casing is installed on work
During tool housing, described output shaft is connected with described power shaft, and described workpiece can be driven by described motor.
10. according to claim 9 described galvanic electricity power driven tools, in described power shaft and output shaft
Being provided with accepting groove, another in described power shaft and output shaft is provided with projection, when main casing is pacified
When being loaded on tool housing, described projection is contained in accepting groove, and projection can not be around output shaft relative to accepting groove
Circumference mobile.
11. galvanic electricity power driven tools according to claim 10, it is characterised in that described accepting groove is internal spline,
Described projection is external splines.
12. galvanic electricity power driven tools according to claim 1, it is characterised in that described tool body also include by
The gripping handle that described tool housing supports, when described workpiece is driven by described motor, described gripping hands
Handle is gripped by operator.
13. 1 kinds of electric tool systems, including power set and at least two tool body, described power set are
Described at least two tool body provides power, it is characterised in that
Tool body includes each of in described at least two tool body, tool housing, and by described
The workpiece that tool housing supports；
Described power set include, main casing, and supported by described main casing motor, for motor provide
The energy of energy provides the control circuit of the rotary motion of unit and control motor；
Described main casing removably can be installed with described tool housing, when described main casing is installed on described
During tool housing, described workpiece can be driven by described motor；
Described electric tool system still further comprises activate switch, when described tool housing and described main casing
During separation, close described activate switch, between described motor and described energy offer unit, Guan Bi cannot be formed
Loop, when described main casing is installed on described tool housing, closes described activate switch, described motor with
Described energy provides and forms closed-loop path between unit.
14. electric tool systems according to claim 13, it is characterised in that described power set also enter one
Step includes the recognition unit supported by described main casing；Described recognition unit identification is installed with described power set
The type of tool body, and generate the signal corresponding with the type of tool body and be sent to control circuit；Institute
State control circuit and control the rotation of motor output and tool body type matching according to the signal that recognition unit transmits
Transhipment is dynamic.
15. dynamic electric tool systems according to claim 13, it is characterised in that described at least two instrument
Tool body also includes the gripping handle supported by described tool housing, described work portion each of in main body
When part is driven by described motor, described gripping handle is gripped by operator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032896.6A CN105856170A (en) | 2015-01-22 | 2015-01-22 | Electric tool and electric tool system |
| PCT/CN2016/071782 WO2016116064A1 (en) | 2015-01-22 | 2016-01-22 | Power device, electric power tool and electric power tool system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510032896.6A CN105856170A (en) | 2015-01-22 | 2015-01-22 | Electric tool and electric tool system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105856170A true CN105856170A (en) | 2016-08-17 |
Family
ID=56623547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510032896.6A Pending CN105856170A (en) | 2015-01-22 | 2015-01-22 | Electric tool and electric tool system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105856170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856169A (en) * | 2015-01-22 | 2016-08-17 | 苏州宝时得电动工具有限公司 | Electric tool and electric tool system |
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