CN204546471U - Power set, electric tool and electric tool system - Google Patents
Power set, electric tool and electric tool system Download PDFInfo
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- CN204546471U CN204546471U CN201520045308.8U CN201520045308U CN204546471U CN 204546471 U CN204546471 U CN 204546471U CN 201520045308 U CN201520045308 U CN 201520045308U CN 204546471 U CN204546471 U CN 204546471U
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Abstract
The utility model relates to a kind of power set, and can provide power for the tool body of electric tool, described tool body comprises, tool housing, and the workpiece supported by described tool housing; Described power set comprise, main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.The utility model also relates to a kind of electric tool and the electric tool system that comprise above-mentioned power set.Power set of the present utility model can be general between different tool bodies, improves the versatility of power set, reduces the use cost of user.
Description
Technical field
The utility model relates to a kind of power set, especially a kind ofly can provide the power set of power for the tool body of different electric tools.
The utility model also relates to a kind of electric tool.
The utility model also relates to a kind of electric tool system, and especially one comprises at least two kinds of tool bodies, and can provide the electric tool system of the power set of power at least two kinds of tool bodies.
Background technology
Traditional electric tool comprises workpiece, motor, transmission mechanism, starting switch, control circuit, energy providing unit etc., closed starting switch, the loop between energy providing unit and motor is connected, and control circuit controls motor to start to rotate, the rotation of motor is passed to workpiece by transmission mechanism, performs and works accordingly.Wherein, when energy providing unit is power brick, power brick is removably connected with electric tool.
Traditional electric tool Problems existing is, each electric tool all needs to arrange the modules such as motor, energy providing unit, control circuit.When a user buys the different electric tool of N kind, its cost paid is equivalent to N number of motor, N number of control circuit, N number of energy providing unit, the summation of the cost of N number of workpiece.But under normal circumstances, user at a time only uses a kind of electric tool, other N-1 kind electric tools are left unused, i.e. other N-1 motor, N-1 control circuit is all in idle state.This kind of present situation significantly reduces the input-output ratio of user.Be badly in need of a kind of novel electric tool of exploitation, improve the utilization rate of the general module such as motor, control circuit, and then improve the input-output ratio of user.
Utility model content
The technical problems to be solved in the utility model is to provide and a kind ofly can provides the power set of power for the tool body of different electric tools.
In order to solve above-mentioned technical problem, the technical solution of the utility model is as follows: a kind of power set, and can provide power for the tool body of electric tool, described tool body comprises, tool housing, and the workpiece supported by described tool housing; Described power set comprise, main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
Preferably, described power set also comprise for motor provides the energy providing unit of energy, and described energy providing unit is power brick.
Preferably, described power brick removably can be installed with main casing.
Preferably, the voltage of described power brick is more than 20V.
Preferably, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
Preferably, described power set can provide power at least two kinds of tool bodies, and the peak power output of described power set and the highest input power needed for described at least two kinds of tool bodies match.
In order to solve above-mentioned technical problem, the technical scheme that the utility model also provides is as follows: a kind of power set, and can provide power for the tool body of electric tool, described tool body comprises, tool housing, and the workpiece supported by described tool housing and gripping handle; Described power set are by main casing, and the motor supported by described main casing and control circuit form, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
In order to solve above-mentioned technical problem, the technical scheme that the utility model also provides is as follows: a kind of power set, and can provide power for the tool body of electric tool, described tool body comprises, tool housing, and the workpiece supported by described tool housing and gripping handle; Described power set are by main casing, and the motor supported by described main casing, control circuit and energy providing unit form, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
Beneficial effect after the utility model enforcement is: due to each to motor, control circuit etc. general module is set to independently power set, independently power set can be used for the tool body of different electric tools to make this, improve the utilization rate of these power set, and then improve the input-output ratio of user.
The utility model needs another technical problem solved to be to provide a kind of electric tool, and this electric tool comprises can provide the power set of power for the tool body of different electric tools.
In order to solve above-mentioned technical problem, the technical solution of the utility model is as follows: a kind of electric tool, comprise tool body and power set, described power set provide power for described tool body, described tool body comprises, tool housing, and the workpiece supported by described tool housing; Described power set are by main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
Preferably, described power set also comprise for motor provides the energy providing unit of energy.
Preferably, described energy providing unit is power brick.
Preferably, described power brick removably can be installed with main casing.
Preferably, the voltage of described power brick is more than 20V.
Preferably, described tool body also comprises the gripping handle supported by described tool housing, and when described workpiece is driven by described motor, described gripping handle is gripped by operator.
Preferably, described tool body also comprises the energy providing unit supported by described tool housing, and described energy providing unit removably can be installed with described tool housing.
Preferably, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
The utility model needs another technical problem solved to be to provide a kind of electric tool system, and this electric tool system comprises at least two kinds of tool bodies and can provide the power set of power at least two kinds of tool bodies.
In order to solve above-mentioned technical problem, the technical solution of the utility model is as follows: a kind of electric tool system, comprise power set and at least two kinds of tool bodies, described power set can provide power for described at least two kinds of tool bodies, each tool body in described at least two kinds of tool bodies comprises, tool housing, and the workpiece supported by described tool housing; Described power set are by main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor; Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
Preferably, described power set also comprise for motor provides the energy providing unit of energy, and described energy providing unit is power brick.
Preferably, described power brick removably can be installed with main casing.
Preferably, the voltage of described power brick is more than 20V.
Preferably, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
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 power set shown in Fig. 1 the 3rd better embodiment;
Fig. 5 is the structural representation of power set shown in Fig. 1 the 4th better embodiment;
Fig. 6 is the schematic diagram of the first better embodiment of the type of the identification facility of power set shown in Fig. 4 main body;
Fig. 7 is the schematic diagram of the second better embodiment of the type of the identification facility of power set shown in Fig. 4 main body;
Fig. 8 is the schematic diagram of the first better embodiment of the electric connection of power set shown in Fig. 1 and tool body;
Fig. 9 is the schematic diagram of the second better embodiment of the electric connection of power set shown in Fig. 1 and tool body;
Figure 10 is the schematic diagram of a better embodiment of the syndeton of power set shown in Fig. 1 and tool body;
Figure 11 is the schematic diagram that power set shown in Figure 10 and tool body are in the process of installation;
Figure 12 is the schematic diagram that power set shown in Figure 10 and tool body install.
100 power set 120 second installation portions
102 main casing 122 second abutment faces
1022 resettlement section 124 lugs
104 motor 126 guide rails
106 output shaft 128 external splines
108 recognition unit 300 blower tool bodies
1080 treatment circuit 301,401,501,601 gripping handles
1082 first Hall element 302,402,502,602 tool housings
1084 second Hall element 304,404,504,604 workpieces
1086 the 3rd Hall element 306 power shafts
1088 the 4th Hall element 308,115 starting switches
110 control circuit 310 magnet
112 energy providing unit 312 first nodes
1121 the 3rd housing 314 Section Points
114 by 316 first installation portions that compress switch
116 the 3rd node 318 first abutment faces
118 the 4th node 320 buckles
322 button 400 grass-mowing machine tool bodies
324 gathering sill 500 chain saw tool bodies
326 internal spline 600 shrub and hedge trimmer tool bodies
Detailed description of the invention
About detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but appended accompanying drawing only provide reference and explanation, is not used for being limited the utility model.
Be illustrated in figure 1 the structural representation of the electric tool system of a better embodiment.Electric tool system comprises the tool body of power set 100 and at least two kinds of electric tools, and wherein the tool body with these at least two kinds of electric tools removably installed by power set 100, for the tool body of these at least two kinds of electric tools provides power.In present embodiment, the tool body that electric tool system comprises has four kinds, is respectively blower tool body 300, grass-mowing machine tool body 400, chain saw tool body 500, shrub and hedge trimmer tool body 600.Four kinds of tool bodies are provided with the interface of identical installation power set 100.The dismountable installation of power set 100 and this four kinds of tool bodies, and provide power for these four kinds of tool bodies.When power set 100 are installed on any one in these four kinds of tool bodies, the electric tool that namely composition one is complete, the work that the electric tool performing this type performs.
For realizing different tool body energy shared power units 100, the peak power output of power set 100 and the highest input power needed for all tool bodies installing power set 100 match; The maximum output speed of power set 100 and the highest input speed needed for all tool bodies installing power set 100 match.Illustrate, if the highest input power needed for all tool bodies installing power set 100 is 1000w, minimum input power needed for all tool bodies installing power set 100 is 100w, then the power output that power set 100 can provide must higher than 1000w.When these power set 100 be installed on required input power be only the tool body of 100w time, the power designs of power set 100 is excessive, causes unnecessary waste.If the highest input speed needed for all tool bodies installing power set 100 is 20000 revs/min, minimum input speed needed for all tool bodies installing power set 100 is 1000 revs/min, then the output speed that power set 100 can provide must higher than 20000 revs/min.When these power set 100 be installed on required input rotating speed be only the tool body of 1000 revs/min time, the Design of Rotation of power set 100 is too high, causes unnecessary waste.For reaching power set 100 shared effect most economical between different tool bodies, preferably, the highest input power needed for dissimilar tool body that electric tool system comprises is similar; Preferably, the highest input speed needed for dissimilar tool body that electric tool system comprises is similar.
As shown in Figure 1, blower tool body 300 comprises tool housing 302, and the workpiece 304 supported by tool housing 302 and gripping handle 301.Grass-mowing machine tool body 400 comprises tool housing 402, and the workpiece 404 supported by tool housing 402 and gripping handle 401.Chain saw tool body 500 comprises tool housing 502, and the workpiece 504 supported by tool housing 502 and gripping handle 501.Shrub and hedge trimmer tool body 600 comprises tool housing 602, and the workpiece 604 supported by tool housing 602 and gripping handle 601.Workpiece 304 (404,504,604) receives the power that power set 100 transmit, and is translated into the Power output matched with tool body.Gripping handle 301 (401,501,601) is for when electric tool works, and namely power set 100 provide power for tool body, and when workpiece 304 (404,504,604) has output, are gripped by operator.Gripping handle 301 (401,501,601) is arranged on tool body, makes it possible to as dissimilar tool body configures dissimilar gripping handle 301 (401,501,601).It will be understood by those skilled in the art that, gripping handle 301 (401,501,601) also can be arranged on power set 100, under this structure, its gripping handle 301 (401,501 of all types of electric tool, 601) all identical, the change of tool body type can not be followed and change.In contrast, by gripping handle 301 (401,501,601) be arranged on tool body, due to often kind of gripping handle 301 (401,501,601) structure and tool body type adapt, and can significantly improve the comfortableness that operator grips.
Be illustrated in figure 2 the concrete structure of the first better embodiment of power set 100.Power set 100 comprise main casing 102, motor 104, control circuit 110.Control circuit 110 controls the rotary motion of motor 104.Main casing 102 is removably installed in tool housing 302 (402,502,602).When main casing 102 is installed on described tool housing 302 (402,502,602), workpiece 304 (404,504,604) can be driven by motor 104, namely 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 rotary speed thereof of brushless electric machine.In present embodiment, the output of power set 100 can not change according to the difference of the type of tool body.Under this structure, general between different tool bodies for realizing power set 100, can corresponding structure be set in tool body, a constant input is converted to the input with tool body type matching.
Be illustrated in figure 3 the concrete structure of the second better embodiment of power set 100.The improvement of relative first better embodiment of the second better embodiment is, the tool body type that power set 100 identifiable design is different, the rotary motion of corresponding output and tool body type matching.Concrete, power set 100 comprise main casing 102, motor 104, recognition unit 108, control circuit 110.Main casing 102 is removably installed in tool housing 302 (402,502,602).When main casing 102 is installed on described tool housing 302 (402,502,602), workpiece 304 (404,504,604) can be driven by motor 104, namely the power of motor 104 can pass to workpiece 304 (404,504,604).Motor 104 selectively exports 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 sends to control circuit 110.Control circuit 110 controls motor 104 according to the signal that recognition unit 108 sends and exports the rotary motion with tool body type matching.When power set 100 are installed on different tool bodies, the signal that control circuit 110 sends according to recognition unit 108, motor 104 can be controlled and export different rotary motions, thus transmit different power to workpiece 304, and then make the tool body being provided with these power set 100 can export the Power output with tool body type matching.Realize power set 100 thus to share between different tool bodies.
Be illustrated in figure 4 the concrete structure of the 3rd better embodiment of power set 100.Power set 100 comprise main casing 102, motor 104, recognition unit 108, control circuit 110 and energy providing unit 112.Main casing 102 is removably installed in tool housing 302 (402,502,602).When main casing 102 is installed on described tool housing 302 (402,502,602), workpiece 304 (404,504,604) can be driven by motor 104, namely the power of motor 104 can pass to workpiece 304 (404,504,604).Motor 104 selectively exports rotary motion.Energy providing unit 112 provides power for motor 104.Energy providing unit 112 can be ac power cable, also can be chargeable energy-storage units, or can provide AC or DC power supply simultaneously.Recognition unit 108 identifies the type of the tool body installed with power set 100, and generation sends 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 set 100 are installed on different tool bodies, the signal that control circuit 110 sends according to recognition unit 108, motor 104 can be controlled and export different rotary motions, thus transmit different power to workpiece 304, and then make the tool body being provided with these power set 100 can export the Power output with tool body type matching.Realize power set 100 thus to share between different tool bodies.In addition, in present embodiment, energy providing unit 112, together with other elements such as motor 104 grade, is co-located in main casing 102.This kind of structure makes the structure of power set 100 single, is convenient between different electric tools, carry out conversion and uses.
As shown in Figure 5, the utility model also provides the 4th better embodiment of power set 100.The difference of relative 3rd better embodiment of the 4th better embodiment is, when energy providing unit 112 is chargeable energy-storage units, energy providing unit 112 has independently the 3rd housing 1121.Be provided with collecting the 3rd housing 1121 in power set 100 and fixedly mount the resettlement section 1022 of the 3rd housing 1121.Energy providing unit 112 is removably installed by the main casing 102 of power set 100 and is supported, and consequent beneficial effect is, energy providing unit 112 remains traditional structure, traditional charger can be used for its charging, charge more convenient.
The utility model also provides the 5th better embodiment of power set 100.The difference of relative 3rd better embodiment of the 5th better embodiment is, power set 100 do not comprise recognition unit 108.
The utility model also provides the 6th better embodiment of power set 100.The difference of relative 4th better embodiment of the 6th better embodiment is, power set 100 do not comprise recognition unit 108.
In six kinds of embodiments of power set 100, the power set 100 of the first and second better embodiment do not comprise energy providing unit 112.Under this structure, energy providing unit 112 is arranged on tool body.Energy providing unit 112 is unremovably arranged on tool body, or is removably disposed on tool body.
In aforementioned various embodiment, when energy providing unit 112 is power brick, power brick voltage is 20V and above voltage.
It is multiple that the recognition unit 108 of power set 100 identifies that the mode of the type of the tool body of electric tool has, and comprises and automatically identifying and semi-automatic identification two kinds of modes.The type of the tool body of automatic identification electric tool is by realizing with under type: on tool body, arrange the marker elements with specific tool body type matching.When power set 100 are mounted on tool body, recognition unit 108 detects marker elements, the type of the Signal analysis marker elements detected by detecting element by the detecting element set within it, and then identifies the type of this tool body.The type of semiautomatic fashion identification electric tool is by realizing with under type: recognition unit 108 comprises the selectors being arranged on and main casing 102 being arranged and supplies user operation, and selectors is operationally in different conditions.User is in the type of different state setting means main bodys by operation selectors, and recognition unit 108 identifies the operating result of user to the state of selectors, thus identifies the type of the tool body of user's setting.Below for the 3rd better embodiment of power set 100, composition graphs 6 and Fig. 7 are introduced these two kinds of RMs.It will be appreciated by persons skilled in the art that the RM of following introduction is equally applicable to other embodiments of power set 100.
Be illustrated in figure 6 the structural representation of a better embodiment of automatic identification facility type of subject.In present embodiment, recognition unit 108 identifies the type of the tool body installed with power set 100 automatically by non-contacting mode.Concrete, recognition unit 108 comprises treatment circuit 1080 and four Hall elements be positioned on diverse location, be respectively the first Hall element 1082 being positioned at primary importance, be positioned at the second Hall element 1084 of the second place, be positioned at the 3rd Hall element 1086 of the 3rd position, be positioned at the 4th Hall element 1088 of the 4th position.At the tool housing 302 (402 of four kinds of tool bodies, 502,602) arrange a magnet 310 on respectively, its position is corresponding with in above-mentioned four Hall elements respectively, during to ensure that power set 100 are mounted to tool body, Hall element can sense magnet 310.When main casing 102 is installed on tool housing 302 (402,502,602) time, due to the corresponding relation of the installation site of Hall element and the installation site of magnet, magnet 310 near the first Hall element 1082, away from the second Hall element 1084, the 3rd Hall element 1086 and the 4th Hall element 1088.Now the first Hall element 1082 produces hall signal, and the second Hall element 1084, the 3rd Hall element 1086 and the 4th Hall element 1088 do not produce hall signal.Treatment circuit 1080 receives hall signal, and identifies this hall signal from the first Hall element 1082, can identify the type of the tool body installing power set 100 subsequently.
In other embodiments, marker elements also can be mechanical contact, and recognition unit 108 comprises the mechanical switch that two or more is arranged at diverse location, and the position of mechanical switch is corresponding with the position of mechanical contact.When power set 100 are installed on tool body, the mechanical contact on tool body triggers the mechanical switch on relevant position.Mechanical switch is closed after triggering.Recognition unit 108 by disconnecting the position transferring closed mechanical switch to, identifies the type of the tool body installing power set 100 according to state.In addition, marker elements can also be optoelectronic switch, two-dimensional encoded, identifies other forms any such as resistance.
Figure 7 shows that a kind of better embodiment of power set 100 by semiautomatic fashion identification power tool type.Recognition unit 108 comprises treatment circuit 1080 and to be arranged on main casing 102 and can by the manually operated selectors of user.In present embodiment, selectors is by compressing switch 114.In Preset Time, operator presses is once by compressing switch 114, and what representative of consumer was selected is the electric tool of the first type; Press twice by compressing switch 114, what representative of consumer was selected is the electric tool of the second type.The rest may be inferred, and in Preset Time, 114 be pressed different number of times by compressing switch, representative of consumer have selected dissimilar electric tool.Treatment circuit 1080 identifies that Preset Time is interior by 114 number of times be pressed that compress switch, and can recognize the type of the electric tool that user selects.Thus realize the type semi-automatically identifying the tool body installing power set 100.
In other embodiments, selectors can for having the multiple by compressing switch 114 of specific markers, a kind of specific markers by compressing switch 114, represent the tool body of a type.Selectors can also for having multiple gear toggle, and when toggle is operatively in a certain particular gears, representative of consumer have selected the tool body of a certain particular type.
Power set 100, as an independently power subject, need protect the safety problem brought during its work.In the utility model, arranged by the circuit between power set 100 and tool body and be electrically connected not work when ensureing that power set 100 are independently arranged, only have and just can start work when power set 100 are installed on tool body, avoid power set 100 as the independently safety problem brought of power subject thus.Be the 3rd better embodiment for power set 100 below, the circuit block diagram of several better embodiment of electric tool is introduced.It will be appreciated by persons skilled in the art that the electrical connection between the power set 100 that following circuit block diagram embodies and tool body is equally applicable to other embodiments of power set 100.
Be illustrated in figure 8 the circuit block diagram of the first better embodiment of electric tool.In present embodiment, power set 100 comprise motor 104, energy providing unit 112, recognition unit 108, control circuit 110 and two electrical nodes, the 3rd node 116 and the 4th node 118.Wherein the 3rd node 116 is electrically connected with energy providing unit 112, and Section Point 314 and motor 104 are electrically connected.Two electrical nodes, first node 312 and Section Point 314 that tool body comprises starting switch 308 and is electrically connected with the both sides of starting switch 308.Starting switch 308 has closed and disconnected two states, triggers can be converted to closure state by off-state through operator.The function of each module that power set 100 and tool body comprise is identical with aforementioned embodiments.As shown in Figure 8, be off state between the 3rd node 116 and the 4th node 118, therefore not yet form closed-loop path between motor 104 and energy providing unit 112.When main casing 102 is installed on tool housing 302, the 3rd node 116 and the 4th node 118 are electrically connected by first node 312 and Section Point 314.Now closed starting switch 308, forms closed-loop path between motor 104 and energy providing unit 112, and energy providing unit 112 provides energy for motor 104, and control circuit 110 controls motor 104 to start to rotate.When tool housing 302 is separated from each other with main casing 102, not yet closed-loop path is formed between motor 104 and energy providing unit 112, closed starting switch 308, still closed-loop path cannot be formed between motor 104 and energy providing unit 112, energy providing unit 112 cannot provide energy for motor 104, and motor 104 cannot operate.
Be illustrated in figure 9 the circuit block diagram of the second better embodiment of electric tool.In present embodiment, power set 100 comprise motor 104, energy providing unit 112, recognition unit 108, control circuit 110, starting switch 115 and two electrical nodes, the 3rd node 116 and the 4th node 118.Wherein the 3rd node 116 is electrically connected with energy providing unit 112, and Section Point 314 and motor 104 are electrically connected.Starting switch 115 is arranged between energy providing unit 112 and motor 104, has closed and disconnected two states.Starting switch 115 triggers can be converted to closure state by off-state through operator.Tool body comprises two electrical nodes be interconnected, first node 312 and Section Point 314.The function of each module that power set 100 and tool body comprise is identical with aforementioned embodiments.As shown in Figure 9, be off state between the 3rd node 116 and the 4th node 118, therefore not yet form closed-loop path between motor 104 and energy providing unit 112.When main casing 102 is installed on tool housing 302, the 3rd node 116 and the 4th node 118 are electrically connected by first node 312 and Section Point 314.Now closed starting switch 308, forms closed-loop path between motor 104 and energy providing unit 112, and energy providing unit 112 provides energy for motor 104, and control circuit 110 controls motor 104 to start to rotate.When tool housing 302 is separated from each other with main casing 102, not yet closed-loop path is formed between motor 104 and energy providing unit 112, closed starting switch 308, still closed-loop path cannot be formed between motor 104 and energy providing unit 112, energy providing unit 112 cannot provide energy for motor 104, and motor 104 cannot operate.
3rd node 116 and the 4th node 118 disconnect before the structure arranged ensures that power set 100 and electric tool are set up and be electrically connected, that is before power set 100 are installed on electric tool, power set 100 can not start work.Which thereby enhance the security of power set 100.
The mode setting up electric connection between power set 100 and tool body has multiple.Can wirelessly or wired mode realize the electric connection of first node 312 and the 3rd node 116, the electric connection of Section Point 314 and the 4th node 118 thus realize setting up between power set 100 and tool body being electrically connected.Wherein, wired mode can be, tool body is arranged the first splicing ear be electrically connected with first node 312, the second splicing ear be electrically connected with Section Point 314.Power set 100 are arranged the 3rd splicing ear be electrically connected with the 3rd node 116, the 4th splicing ear be electrically connected with the 4th node 118.First splicing ear, the second splicing ear, the 3rd splicing ear, the 4th splicing ear can be separate terminal, and the position of the first splicing ear is corresponding with the position of the 3rd splicing ear, the position of the second splicing ear is corresponding with the position of the 4th splicing ear.When power set 100 are mounted to tool body, the first splicing ear is connected with the 3rd splicing ear, and the second splicing ear is connected with the 4th splicing ear, makes to set up between power set 100 and tool body to be electrically connected.Now, closed starting switch 308, the loop between motor 104 and energy providing unit 112 is switched on.First splicing ear and the second splicing ear also can be set to one, and correspondingly, the 3rd splicing ear and the 4th splicing ear are also set to the integrative-structure matched.Can realize equally, when power set 100 are mounted to tool body, the first splicing ear is connected with the 3rd splicing ear, and the second splicing ear is connected with the 4th splicing ear, realizes setting up between power set 100 and tool body being electrically connected.
The utility model also provides the 3rd better embodiment to realize when tool housing 302 is separated with main casing 102, closed starting switch 115, closed-loop path cannot be formed between motor 104 and energy providing unit 112, when main casing 102 is installed on tool housing 302, closed starting switch 115, forms closed-loop path between motor 104 and energy providing unit 112.The difference of the 3rd better embodiment and the second better embodiment is, arranges the switch element of detecting element and the control of examined element between the 3rd node 116 and the 4th node 118.When detecting element detects that main casing 102 is installed on tool housing 302, send corresponding control signal gauge tap element and close.Now, the 3rd node 116 and the 4th node 118 electrical communication, closed starting switch 115, forms closed-loop path between motor 104 and energy providing unit 112, and motor 104 starts to rotate.Otherwise, when detecting element detects that main casing 102 is not installed on tool housing 302, send corresponding control signal gauge tap element and disconnect.Now, the 3rd node 116 and the 4th node 118 cannot electrical communication, and closed starting switch 115, cannot form closed-loop path between motor 104 and energy providing 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, set forth the mechanical connection between power set 100 and tool body.
When being described the mechanical connection between power set 100 and tool body, be described in detail the connection between power set 100 and tool body for blower tool body 300, power set 100 and the syndeton between grass-mowing machine tool body 400, chain saw tool body 500, shrub and hedge trimmer tool body 600 and other any means main bodys all can syndetons between reference driving force device 100 and blower tool body 300.Mechanical connection between power set 100 and tool body comprises the mechanical connection of tool housing 302 and main casing 102, and the syndeton between the motor 104 of power set 100 and the workpiece 304 of tool 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 and the second installation portion 120 selectively cooperatively interact.When the first installation portion 316 coordinates with the second installation portion 120, tool housing 302 is relative with main casing 102 immovable fixing.Be the one preferably embodiment that the first installation portion 316 and the second installation portion 120 realize cooperatively interacting as shown in Figure 10.First installation portion 316 comprises and is arranged at the first abutment face 318 inside tool housing 302, is arranged at the buckle 320 outside tool housing 302, the button 322 triggering buckle 320 and the gathering sill 324 play the guiding role.Pressing button 322 can make buckle 320 be in release conditions or locking state.Second installation portion 120 comprises the second abutment face 122, lug 124 and the guide rail 126 that are arranged at outside main casing 102.Position and the number of the position of lug 124 and number and buckle 320 match.Position and the number of the position of guide rail 126 and number and gathering sill 324 match.When tool housing 302 and main casing 102 install, first abutment face 318 and the second abutment face 122 mutually against, guide rail 126 is contained in gathering sill 324, and buckle 320 is in locking state, thus locking lug 124, make tool housing 302 relative with main casing 102 immovable fixing.
Pressing button 322, makes buckle 320 be in release conditions.Subsequently, alignd by the guide rail 126 of power set 100 with the gathering sill 324 of tool body, the longitudinally pushing power set 100 along gathering sill 324 make it close to tool body, arrive position as shown in figure 11.Further pushing power set 100, until the first abutment face 318 and the second abutment face 122 mutually against.Subsequently, release-push 322, makes buckle 320 be in locking state, tool housing 302 and main casing 102 is installed, reaches state as shown in figure 12.Under state shown in Figure 12, main casing 102 is partially housed in tool housing 302.Preferably, being partially housed in the first installation portion 316 of tool housing 302 of main casing 102 at least 1/3.This structure makes the installation between power set 100 and tool body more firm, and the center of gravity layout of complete machine is more reasonable.
As shown in Figure 10 to Figure 12, the mechanical connection between power set 100 and tool body also comprises the connection between the motor 104 of power set 100 and the workpiece 304 of tool body.Power set 100 comprise the output shaft 106 be connected with motor 104.Tool body comprises the power shaft 306 be connected with workpiece 304.All can select to arrange power transmission mechanism between motor 104 and output shaft 106 and between workpiece 304 and power shaft 306.Typically, power transmission mechanism is gear structure.The connection of motor 104 and workpiece 304 is realized by the connection between power shaft 306 and output shaft 106.Connection between output shaft 106 and power shaft 306 is detachable.When main casing 102 is installed on tool housing 302, output shaft 106 and power shaft 306 are in connection status, and power shaft 306 is irremovable around the circumference of output shaft 106 relatively for output shaft 106.The better embodiment that output shaft 106 and the power shaft 306 of tool body of power set 100 are mechanically connected is that power shaft 306 is provided with accepting groove, and output shaft 106 is provided with projection.When main casing 102 is installed on tool housing 302, projection is contained in accepting groove, and accepting groove restriction projection moves around the circumference of output shaft 106.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 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, all selectively transmission mechanism is set, therefore, power set 100 can provide power by tool body that is parallel with the output shaft of motor 104 for the output shaft of workpiece 304 or that overlap, also can provide power for the tool body of the angled setting of output shaft of the output shaft of workpiece 304 and motor 104.Preferably, the output shaft of the workpiece of at least two kinds of tool bodies that comprises of electric tool system is all parallel with the output shaft of motor 104 or overlap.The beneficial effect brought thus is that the structure of tool body is simple, carries out angular transition without the need to additionally arranging drive mechanism 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 the various concrete structure or shape mentioned in embodiment, and those of ordinary skill in the art can replace it with knowing simply.
What it may occur to persons skilled in the art that is; the utility model can also have other implementation; as long as but its technical spirit adopted is identical with the utility model or close, or any change of making based on the utility model and replacing all within protection domain of the present utility model.
Claims (31)
1. power set, can provide power for the tool body of electric tool, it is characterized in that,
Described tool body comprises, tool housing, and the workpiece supported by described tool housing;
Described power set comprise, main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor;
Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
2. power set according to claim 1, is characterized in that, described power set also comprise for motor provides the energy providing unit of energy, and described energy providing unit is power brick.
3. power set according to claim 2, is characterized in that, described power brick removably can be installed with main casing.
4. power set according to claim 2, is characterized in that, the voltage of described power brick is more than 20V.
5. power set according to claim 1, is characterized in that, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
6. power set according to claim 1, is characterized in that, described power set can provide power at least two kinds of tool bodies, and the peak power output of described power set and the highest input power needed for described at least two kinds of tool bodies match.
7. an electric tool, comprises tool body and power set, and described power set provide power for described tool body, it is characterized in that,
Described tool body comprises, tool housing, and the workpiece supported by described tool housing;
Described power set are by main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor;
Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
8. electric tool according to claim 7, is characterized in that, described power set also comprise for motor provides the energy providing unit of energy.
9. electric tool according to claim 8, is characterized in that, described energy providing unit is power brick.
10. electric tool according to claim 9, is characterized in that, described power brick removably can be installed with main casing.
11. electric tools according to claim 9, is characterized in that, the voltage of described power brick is more than 20V.
12. electric tools according to claim 7, is characterized in that, described tool body also comprises the gripping handle supported by described tool housing, and when described workpiece is driven by described motor, described gripping handle is gripped by operator.
13. electric tools according to claim 7, is characterized in that, described tool body also comprises the energy providing unit supported by described tool housing, and described energy providing unit removably can be installed with described tool housing.
14. electric tools according to claim 7, is characterized in that, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
15. 1 kinds of electric tool systems, comprise power set and at least two kinds of tool bodies, and described power set can provide power for described at least two kinds of tool bodies, it is characterized in that,
Each tool body in described at least two kinds of tool bodies comprises, tool housing, and the workpiece supported by described tool housing;
Described power set are by main casing, and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor;
Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
16. electric tool systems according to claim 15, is characterized in that, described power set also comprise for motor provides the energy providing unit of energy, and described energy providing unit is power brick.
17. electric tool systems according to claim 16, is characterized in that, described power brick removably can be installed with main casing.
18. electric tool systems according to claim 16, is characterized in that, the voltage of described power brick is more than 20V.
19. electric tool systems according to claim 15, is characterized in that, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
20. 1 kinds of power set, can provide power for the tool body of electric tool, it is characterized in that,
Described tool body comprises, tool housing, and the workpiece supported by described tool housing and gripping handle;
Described power set are made up of main casing and the motor supported by described main casing and control circuit, and described control circuit controls the rotary motion of motor;
Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
21. power set according to claim 20, is characterized in that, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
22. power set according to claim 20, it is characterized in that, described power set can provide power at least two kinds of tool bodies, and the peak power output of described power set and the highest input power needed for described at least two kinds of tool bodies match.
23. 1 kinds of electric tools, comprise tool body and power set, and described power set provide power for described tool body, it is characterized in that, described power set are the power set as described in claim 20 to 22 any one.
24. 1 kinds of electric tool systems, comprise power set and at least two kinds of tool bodies, described power set can provide power for described at least two kinds of tool bodies, it is characterized in that, described power set are the power set as described in claim 20 to 22 any one.
25. 1 kinds of power set, can provide power for the tool body of electric tool, it is characterized in that,
Described tool body comprises, tool housing, and the workpiece supported by described tool housing and gripping handle;
Described power set are made up of main casing and the motor supported by described main casing, control circuit and energy providing unit, and described control circuit controls the rotary motion of motor;
Described main casing removably can be installed with described tool housing, and when described main casing is installed on described tool housing, described workpiece can be driven by described motor.
26. power set according to claim 25, is characterized in that, described energy providing unit is power brick, and described power brick removably can be installed with main casing.
27. power set according to claim 25, is characterized in that, described energy providing unit is power brick, and the voltage of described power brick is more than 20V.
28. power set according to claim 25, is characterized in that, described motor is brushless electric machine, and described control circuit controls the commutation of described brushless electric machine.
29. power set according to claim 25, it is characterized in that, described power set can provide power at least two kinds of tool bodies, and the peak power output of described power set and the highest input power needed for described at least two kinds of tool bodies match.
30. 1 kinds of electric tools, comprise tool body and power set, and described power set provide power for described tool body, it is characterized in that, described power set are the power set as described in claim 25 to 29 any one.
31. 1 kinds of electric tool systems, comprise power set and at least two kinds of tool bodies, described power set can provide power for described at least two kinds of tool bodies, it is characterized in that, described power set are the power set as described in claim 25 to 29 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520045308.8U CN204546471U (en) | 2015-01-22 | 2015-01-22 | Power set, electric tool and electric tool system |
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| CN201520045308.8U CN204546471U (en) | 2015-01-22 | 2015-01-22 | Power set, electric tool and electric tool system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105818112A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| CN105871117A (en) * | 2016-04-06 | 2016-08-17 | 浙江明磊工具实业有限公司 | Brushless motor based controllable and detachable power device |
| 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 |
| CN105867184A (en) * | 2016-04-06 | 2016-08-17 | 浙江明磊工具实业有限公司 | Control method of controllable detachable power equipment based on brushless motor |
| WO2018054312A1 (en) * | 2016-09-20 | 2018-03-29 | 苏州宝时得电动工具有限公司 | Power device, electric power tool and system |
| WO2019109277A1 (en) * | 2017-12-06 | 2019-06-13 | Husqvarna Ab | Mating interface for a power head configured to operate multiple tool attachments |
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2015
- 2015-01-22 CN CN201520045308.8U patent/CN204546471U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818112A (en) * | 2015-01-22 | 2016-08-03 | 苏州宝时得电动工具有限公司 | Power device, electric tools and electric tool system |
| 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 |
| CN105871117A (en) * | 2016-04-06 | 2016-08-17 | 浙江明磊工具实业有限公司 | Brushless motor based controllable and detachable power device |
| CN105867184A (en) * | 2016-04-06 | 2016-08-17 | 浙江明磊工具实业有限公司 | Control method of controllable detachable power equipment based on brushless motor |
| WO2017173705A1 (en) * | 2016-04-06 | 2017-10-12 | 浙江明磊工具实业有限公司 | Brushless motor-based, controllable, detachable power apparatus |
| WO2018054312A1 (en) * | 2016-09-20 | 2018-03-29 | 苏州宝时得电动工具有限公司 | Power device, electric power tool and system |
| US11465268B2 (en) | 2016-09-20 | 2022-10-11 | Positec Power Tools (Suzhou) Co., Ltd. | Power device, electric power tool, and system |
| WO2019109277A1 (en) * | 2017-12-06 | 2019-06-13 | Husqvarna Ab | Mating interface for a power head configured to operate multiple tool attachments |
| US11554474B2 (en) | 2017-12-06 | 2023-01-17 | Husqvarna Ab | Mating interface for a power head configured to operate multiple tool attachments |
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