CN105794411A - Power tool - Google Patents
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- CN105794411A CN105794411A CN201410841572.2A CN201410841572A CN105794411A CN 105794411 A CN105794411 A CN 105794411A CN 201410841572 A CN201410841572 A CN 201410841572A CN 105794411 A CN105794411 A CN 105794411A
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Abstract
The invention discloses a power tool which comprises a functional unit, a power unit and a power source, wherein the functional unit comprises a functional module for implementing tool functions and an operating module for users to operate; the power unit is detachably installed to the functional unit and provides power for the functional unit; the power source at least comprises one battery; and the ratio of the capacity of the battery to the volume of the power unit is greater than or equal to 7000 Wh/m<3> and less than or equal to 750000 Wh/m<3>. The power tool has reasonable weight and volume, and reduces the operation and transportation loads of the users on the premise that the battery capacity can satisfy the mowing requirement.
Description
Technical field
The present invention relates to a kind of power tool, be specifically related to a kind of longevity of service, the rational power tool of volume weight.
Background technology
Along with development and the progress of society, people are more and more higher to the requirement of the serviceability of instrument.Such as saying, for the use of hay mover, existing hay mover generally only uses a battery bag to be powered, and so certainly exists the problem that a battery bag can not be powered for a long time, it is impossible to meet the demand that user mows for a long time continuously；Also have when needing to be mowed in different lawns, it is possible to be further desirable to use the hay mover of different driving forces to be operated, so can only change hay mover and realize, add cost beyond doubt；Furthermore, the volume of existing hay mover, weight are unreasonable, add the operation of user and the burden of carrying.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of volume, the rational power tool of weight.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of power tool, including:
Functional device, the functional unit including implementation tool function and the operating assembly for user operation；
Power set, it dismountable can be mounted to functional device and provide power for functional device；
Power source, at least includes a battery；Wherein, the capacity of battery is be more than or equal to 7000Wh/m with the span of the ratio of the volume of power set3And less than etc. 750000Wh/m3。
Further, the capacity of battery is be more than or equal to 200Wh and less than or equal to 3000Wh.
Further, the volume span of power set is be more than or equal to 0.004m3And less than or equal to 0.06m3。
Further, power tool is hand-push type mower, and functional unit includes: mowing element, and the power set that can be mounted to functional device drive；Operating assembly includes: operating handle, can control to be mounted to the power set of functional device；
Functional device also includes:
Running gear, at least includes main frame and can make the wheels of host mobility；
Mowing element rotation be mounted to main frame；Operating handle is connected to main frame.
Further, it is characterised in that the separable combination of battery is to power set.
The present invention also proposes a kind of power tool, including:
Functional device, the functional unit including implementation tool function and the operating assembly for user operation；
Power set, it dismountable can be mounted to functional device and provide power for functional device；
Power source, at least includes a battery；
Wherein, the capacity of battery is be more than or equal to 30Wh/kg and less than or equal to 600Wh/kg with the span of the weight ratio of power set.
Further,
The capacity of battery is be more than or equal to 200Wh and less than or equal to 3000Wh.
Further, the weight span of power set is be more than or equal to 5kg and less than or equal to 30kg.
Further, power tool is hand-push type mower, and functional unit includes: mowing element, and the power set that can be mounted to functional device drive；Operating assembly includes: operating handle, can control to be mounted to the power set of functional device；
Functional device also includes:
Running gear, at least includes main frame and can make the wheels of host mobility；
Mowing element rotation be mounted to main frame；Operating handle is connected to main frame.
Further, the volume span of power set is be more than or equal to 0.004m3And less than or equal to 0.06m3。
The invention have benefit that, power tool will provide the part (battery bag) of energy and energy is converted into the part (prime mover) of mechanical movement is integrated into a wish be suitable to according to user and carries out mounting and dismounting to power tool the part of implementation tool function, and, these power set can arrange multiple battery, and a battery can be used as required individually to power so that power tool is lighter, or multiple battery can also be selected to power to extend operating time simultaneously；Furthermore the weight and volume of the power tool of the present invention is reasonable, and when battery capacity disclosure satisfy that mowing requires, alleviate operation and the carrying burden of user.
Accompanying drawing explanation
Fig. 1 is the complete exploded view of the power tool of first embodiment of the invention, and now first direction is parallel with second direction；
Fig. 2 is the decomposed figure of the power tool shown in Fig. 1；
Fig. 3 is the assembling figure of the power tool shown in Fig. 1；
Fig. 4 is the side view of structure shown in Fig. 1；
Fig. 5 is the side view of structure shown in Fig. 2；
Fig. 6 is the side view of structure shown in Fig. 3；
Fig. 7 is the complete exploded view of the power tool of the first embodiment of the present invention, and now first direction is vertical with second direction, and first direction is perpendicular to the direction of advance of power tool；
Fig. 8 is the complete exploded view of the power tool of the first embodiment of the present invention, and now first direction is vertical with second direction, and first direction is parallel to the direction of advance of power tool；
Fig. 9 is the enlarged diagram of the part-structure of the battery in Fig. 1；
Figure 10 is the enlarged diagram of the part-structure of the power housing in Fig. 1；
Figure 11 is the top view of another arrangement mode of the power set of first embodiment of the invention；
Figure 12 is the top view of the power set in the power tool of second embodiment of the invention, and now power set include a motor and three batteries；
Figure 13 is the top view of the power set in the power tool of third embodiment of the invention, and now power set include a motor and four batteries；
Figure 14 is the top view of the power set in the power tool of fourth embodiment of the invention, and now power set include two motors and three batteries, and two motors are positioned at the both sides of three batteries；
Figure 15 is the top view of the power set in the power tool of fifth embodiment of the invention, and now power set include two motors and three batteries, and two motors are positioned at the homonymy of three batteries.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention done concrete introduction.
The present invention relates to a kind of power tool, this power tool can be garden class instrument, is specifically as follows hay mover.
Fig. 1 to Fig. 6 show the structure chart of the power tool of first embodiment of the invention, please with reference to Fig. 1 to Fig. 6, the power tool 100 of the present invention includes: functional device 10 and power set 20, wherein functional device 10 is the main part of power tool 100, and power set 20 are the energy source and power part of power tool 100.
Concrete, functional device 10 includes: functional unit (not shown), operating assembly 11 and function housing 12.Functional unit is for realizing the instrumental function of power tool 100, for instance when this power tool 100 is hay mover, corresponding, functional unit can be mowing element, and mowing element can be driven by functional device 10, for instance can be cutting blade.Operating assembly 11 is for for user operation, for instance can be the operation switch starting hay mover work, or the operating handle etc. for controlling power set 20 for gripping.Function housing 12, for making functional unit in functional device 10, operating assembly 11 etc. form an entirety, this function housing 12 also forms an installation portion 121, and this installation portion 121 is used for installing power set 20 in functional device 10.Further, this power tool 100 can be hand-push type mower, and functional unit also includes: running gear (figure does not mark), and this running gear includes main frame 13 and the wheels 14 that main frame 13 can be made to move, mowing element rotation be installed on main frame 13, operating handle is connected with main frame 13.
Power set 20 are for providing power resources for functional device 10, and it can be detachably mounted on functional device 10.Concrete, power set 20 include: prime mover (figure does not mark), power housing 21 and power source (figure does not mark).
Wherein, prime mover for driving functional unit when power set 20 are mounted to functional device 10, and this prime mover can include at least one motor 22, and this motor 22 has the output shaft 221 that can rotate for axle with first axle.When motor 22 is mounted in functional device 10, output shaft 221 is connected with functional unit, it is possible to drives functional unit to rotate or moves back and forth.Such as hay mover, when power set 20 are mounted to functional device 10, the output shaft 221 in motor 22 is rotationally connected with cutting blade, and after starting power supply, the output shaft 221 of motor 22 can drive cutting blade to rotate and realize mowing function.
Power housing 21 is used for holding prime mover and power source so that prime mover and power source form the entirety that can transmit electric energy.Power source also includes battery 23, battery 23 can separable combination to power housing 21.Concrete, power housing 21 includes: locking portion 211 and joint portion 212, and locking portion 211 mates with the installation portion 121 in functional device 10, both combineds effect, it is possible to power set 20 A in the first direction is mounted in functional device 10；Joint portion 212 is used for providing the space in conjunction with battery 23 or structure.Preferably, installation portion 121 be one can the groove of partial receipt power housing 21, locking portion 211 is the structure that can embed this groove.
Preferably, power housing 21 is additionally provided with illuminator (not shown) and battery instruction device (not shown).This illuminator plays a role in lighting, for instance can be LED.Battery instruction device such as can include the electric quantity display device for showing battery 23 dump energy, it is also possible to includes the power source indicating device for showing battery 23 normal power supply.
When functional device 10 and power set 20 by installation portion 121 and locking portion 211 constitute one overall time, battery 23 can also isolate power housing 21 by B in a second direction, and this second direction B is parallel or perpendicular to first direction A.As shown in Figures 1 to 6, battery 23 is along being parallel to after first direction A is inserted in power housing 21, power set 20 A in the first direction is installed in functional device 10, and when battery 23 is isolated power housing 21 by needs, then can separate along the second direction B ultromotivity housing 21 parallel with first direction A.
Or, in other embodiments, as it is shown in fig. 7, when power set 20 A in the first direction is installed in functional device 10, when needing to take out the battery 23 in power housing 21, it is possible to take out from power housing 21 along the second direction B being perpendicular to first direction A.
Fig. 1 is to embodiment illustrated in fig. 7, first direction A is each perpendicular to the direction of advance of power tool 100, as shown in Figure 8, first direction A can also be parallel to the direction of advance of power tool 100, now battery 23 B in a second direction isolates power housing 21, and now second direction B can be perpendicular to first direction A as shown in Figure 8, certainly, it should be understood that second direction B can also be parallel to first direction A.
In the present embodiment, as shown in Figures 1 to 6, include for power set 20: 21, motor 22 of power housing and two batteries 23.Referring to figs. 1 through Fig. 6, forming two basic change portion 212 in power housing 21, for housing battery 23 respectively, motor 22 is between two basic change portion 212, and when battery 23 is mounted to joint portion 212, motor 22 also is located between two batteries 23.
As shown in Figure 9 and Figure 10, can exporting electric energy in motor 22 to realize battery 23, battery 23 also includes cell electrical interface 231, and this cell electrical interface 231 is used for making battery 23 export electric energy.Preferably, cell electrical interface 231 is positioned at when battery 23 is bonded to portion 212 near the side of motor 22, and such cell electrical interface 231 is between battery 23 and motor 22 and between two batteries 23.The power housing 21 of power set 20 is provided with device electric interfaces 213, and this device electric interfaces 213 is for docking with cell electrical interface 231, and motor 22 can be made to work the electric energy supply motor 22 of battery 23 docking after successfully.Preferably, device electric interfaces 213 is between motor 22 and battery 23, just right with cell electrical interface 231 position, so, because cell electrical interface 231 also is located between battery 23 and motor 22, it is thus possible to power supply circuits are arranged between two batteries 23, save space and shorten the length of cable.
It will of course be understood that, as shown in figure 11, motor 22 can also be not provided with in the centre of two batteries 23, but two batteries 23 are positioned at the homonymy of motor 22.
Preferably, as shown in Figures 1 to 6, first direction A is parallel to first axle direction, when power set 20 are mounted to functional device 10, the span of motor 22 size overlapping with on functional device 10 A in a first direction and the ratio of the size of motor 22 A in a first direction is less than or equal to 100% be more than or equal to 30%.Second direction B is also parallel with first axle, and when power set 20 are mounted to functional device 10, the span of battery 23 size overlapping with on motor 22 A in a first direction and the ratio of the size of motor 22 A in a first direction is less than or equal to 100% be more than or equal to 20%.So, when power set 20 are mounted to functional device 10, make on the most as far as possible A in a first direction of motor 22 overlapping with functional device 10, also most as far as possible A in a first direction is overlapping with motor 22 for battery 23, so can so that the center of gravity A in a first direction of power set 20 being positioned on the position of its relatively close functional device 10, and the center of gravity A in a first direction of whole power tool 100 is positioned on functional device 10, it is thus possible to reduce the center of gravity of whole power tool 100, booster stability in the course of the work.
Preferably, as it is shown in figure 1, the side of the output shaft 221 ultromotivity housing 21 of motor 22 is stretched out, battery 23 separates from the opposite side of power housing 21, so, is conveniently mounted on output shaft 221 by cutting blade.
Preferably, the joint portion 212 in power housing 21 is provided with and makes battery 23 B in a second direction the battery insertion groove 212a inserted, battery insertion groove 212a have a notch.Preferably, power housing 21 still has the cover plate 214 for enclosed slot mouth, this cover plate 214 can be one, and a cover plate 214 can close the notch of all joint portions 212 simultaneously, and notch is positioned at the opposite side relative with the side that output shaft 221 stretches out of power housing 21.Cover plate 214 can also include multiple, for closing off the notch of each joint portion 212, for instance can also have two cover plate 214 examples in the present embodiment.
Preferably, power housing 21 or function housing 12 are additionally provided with the latch-up structure (not shown) of the position locking power set 20 when power set 20 are mounted to functional device 10, this latch-up structure can be such as buckle and draw-in groove, wherein one in buckle and draw-in groove is arranged on power housing 21, and another is arranged on function housing 12.
It addition, in other embodiments of the invention, power set 20 can also include the battery 23 of a motor 22 and more than three.As shown in figure 12, including a motor 22 and three batteries 23, or as shown in figure 13, including a motor 22 and four batteries 23, three or four batteries 23 are distributed in the periphery of motor 22 uniformly, and corresponding power housing 21 can include three or four joint portions 212 housing batteries 23.
It will of course be understood that, power set 20 can also include plural motor 22 and plural battery 23.As shown in Figure 14 and Figure 15, these power set 20 include two motors 22 and three batteries 23, so that symmetrical configuration, center of gravity is reasonable, two motors 22 can be arranged about an axisymmetrical, three batteries 23 are arranged about an axisymmetrical, and the axis of the axis of motor 22 and battery 23 is same axis.
As known from the above, power set 20 are dismountable to be mounted in functional device 10, so that the battery 23 in power set 20 and can not also affect the volume and weight of power tool 100 under meeting the premise of work requirements of functional device 10, it is thus possible to alleviate operation and the carrying burden of user, the capacity of battery 23 also making the present invention is be more than or equal to 7000Wh/m with the span of the ratio of the volume of power set 203And less than or equal to 750000Wh/m3；The span of the weight ratio of the capacity of battery 23 and power set 20 is be more than or equal to 30Wh/kg and less than or equal to 600Wh/kg.
Preferably, this battery 23 is preferably lithium battery, and the volume span of power set 20 is be more than or equal to 0.004m3And less than or equal to 0.06m3, the weight span of power set 20 is fill weight during battery 23 be more than or equal to 5kg and the time power set 20 that refer to less than or equal to the weight of 30kg(power set 20 here), the capacity of battery 23 is be more than or equal to 200Wh and less than or equal to 3000Wh.Further, when the volume of power set 20 is 0.004m3Time, now, the span of the capacity of battery 23 and the ratio of the volume of power set 20 is be more than or equal to 50000Wh/m3And less than or equal to 750000Wh/m3；When the volume of power set 20 is 0.06m3Time, then the capacity of battery 23 is be more than or equal to 3300Wh/m with the span of the ratio of the volume of power set 203And less than or equal to 50000Wh/m3.Further, when the weight of power set 20 is 30kg, then the capacity of battery 23 is be more than or equal to 10Wh/kg and less than or equal to 100Wh/kg with the span of the weight ratio of power set 20；When the weight of power set 20 is 5kg, then the capacity of battery 23 is less than or equal to 600Wh/kg be more than or equal to 40Wh/kg with the span of the weight ratio of power set 20.So, by the capacity of battery 23 is arranged in a rational scope with the volume of power set 20 or the ratio of weight, so that when using this power tool 100 to operate, the area on the lawn mowed as required or the size of grass select one or more capacity to disclosure satisfy that under the premise of battery 23 of requirement, the volume and weight of power set 20 within the specific limits, and then can alleviate the operation of user and the burden of carrying accordingly.
Power set 20 and the functional device 10 of the present invention removably connect, so power tool 100 will provide the part (battery bag 23) of energy and energy is converted into the part (prime mover) of mechanical movement is integrated into a wish be suitable to according to user and carries out mounting and dismounting the part of implementation tool function to power tool 100, and these power set 20 can arrange multiple battery 23, and a battery 23 can be used as required individually to power so that power tool 100 is relatively light, or multiple battery 23 can also be selected to power to extend operating time simultaneously；Furthermore the weight and volume of the power tool 100 of the present invention is reasonable, alleviate operation and the carrying burden of user.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry, above-described embodiment does not limit the present invention in any form, and all employings are equal to the technical scheme that the mode of replacement or equivalent transformation obtains, and all fall within protection scope of the present invention.
Claims (10)
1. a power tool, it is characterised in that including:
Functional device, the functional unit including implementation tool function and the operating assembly for user operation；
Power set, it dismountable can be mounted to described functional device and provide power for described functional device；
Power source, at least includes a battery；
Wherein, the capacity of described battery is be more than or equal to 7000Wh/m with the span of the ratio of the volume of described power set3And less than or equal to 750000Wh/m3。
2. power tool according to claim 1, it is characterised in that
The capacity of described battery is be more than or equal to 200Wh and less than or equal to 3000Wh.
3. power tool according to claim 1, it is characterised in that the volume span of described power set is be more than or equal to 0.004m3And less than or equal to 0.06m3。
4. the power tool according to claims 1 to 3 any one, it is characterised in that described power tool is hand-push type mower, and described functional unit includes: mowing element, the described power set that can be mounted to described functional device drive；Described operating assembly includes: operating handle, can control to be mounted to the described power set of described functional device；
Described functional device also includes:
Running gear, at least includes main frame and can make the wheels of described host mobility；
Described mowing element rotation be mounted to described main frame；Described operating handle is connected to described main frame.
5. the power tool according to claims 1 to 3 any one, it is characterised in that the separable combination of described battery is described power set extremely.
6. a power tool, it is characterised in that including:
Functional device, the functional unit including implementation tool function and the operating assembly for user operation；
Power set, it dismountable can be mounted to described functional device and provide power for described functional device；
Power source, at least includes a battery；
Wherein, the capacity of described battery is be more than or equal to 30Wh/kg and less than or equal to 600Wh/kg with the span of the weight ratio of described power set.
7. power tool according to claim 6, it is characterised in that
The capacity of described battery is be more than or equal to 200Wh and less than or equal to 3000Wh.
8. power tool according to claim 6, it is characterised in that the weight span of described power set is be more than or equal to 5kg and less than or equal to 30kg.
9. the power tool according to claim 6 to 8 any one, it is characterised in that described power tool is hand-push type mower, and described functional unit includes: mowing element, the described power set that can be mounted to described functional device drive；Described operating assembly includes: operating handle, can control to be mounted to the described power set of described functional device；
Described functional device also includes:
Running gear, at least includes main frame and can make the wheels of described host mobility；
Described mowing element rotation be mounted to described main frame；Described operating handle is connected to described main frame.
10. the power tool according to claim 6 to 8 any one, it is characterised in that the volume span of described power set is be more than or equal to 0.004m3And less than or equal to 0.06m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841572.2A CN105794411B (en) | 2014-12-30 | 2014-12-30 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841572.2A CN105794411B (en) | 2014-12-30 | 2014-12-30 | Power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105794411A true CN105794411A (en) | 2016-07-27 |
| CN105794411B CN105794411B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410841572.2A Active CN105794411B (en) | 2014-12-30 | 2014-12-30 | Power tool |
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| Country | Link |
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| CN (1) | CN105794411B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508247A (en) * | 2016-12-15 | 2017-03-22 | 苏州金莱克精密机械有限公司 | Gardening tool with double battery packs |
| CN112706602A (en) * | 2020-12-24 | 2021-04-27 | 格力博(江苏)股份有限公司 | Electric vehicle |
| WO2021233047A1 (en) * | 2020-05-21 | 2021-11-25 | 南京德朔实业有限公司 | Power device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE545182C2 (en) * | 2021-06-14 | 2023-05-02 | Husqvarna Ab | An electric compactor with mutually separate battery compartments and batteries with system redundancy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508247A (en) * | 2016-12-15 | 2017-03-22 | 苏州金莱克精密机械有限公司 | Gardening tool with double battery packs |
| WO2021233047A1 (en) * | 2020-05-21 | 2021-11-25 | 南京德朔实业有限公司 | Power device |
| CN112706602A (en) * | 2020-12-24 | 2021-04-27 | 格力博(江苏)股份有限公司 | Electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN105794411B (en) | 2020-04-07 |
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