CN103240713A - Hand-held electric tool - Google Patents

Hand-held electric tool Download PDF

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Publication number
CN103240713A
CN103240713A CN2012100251373A CN201210025137A CN103240713A CN 103240713 A CN103240713 A CN 103240713A CN 2012100251373 A CN2012100251373 A CN 2012100251373A CN 201210025137 A CN201210025137 A CN 201210025137A CN 103240713 A CN103240713 A CN 103240713A
Authority
CN
China
Prior art keywords
electrode slice
gap
power brick
power
hand tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012100251373A
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Chinese (zh)
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CN103240713B (en
Inventor
高岩松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Machinery Zhangjiagang Co ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN201610573154.9A priority Critical patent/CN106181905A/en
Priority to CN201210025137.3A priority patent/CN103240713B/en
Publication of CN103240713A publication Critical patent/CN103240713A/en
Application granted granted Critical
Publication of CN103240713B publication Critical patent/CN103240713B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention discloses a hand-held electric tool. The hand-held electric tool comprises a battery pack, a casing, an electric motor inside the casing, a transmission mechanism and an output shaft which is driven by the transmission mechanism to swing in a reciprocating mode. A battery compartment is arranged on the casing, at least two power ends are arranged inside the battery compartment, at least two electrode plates are arranged on the battery pack, and abut-joint faces between electrode plates and power ends are parallel to the direction of swinging. Thus, power ends are prevented from impacting electrode plates, deformation, distance expansion or falling of electrode plates are prevented, and the service life of the battery pack is prolonged.

Description

Electric hand tool
Technical field
The present invention relates to a kind of electric tool, especially a kind of hand electric tool of starting building.
Background technology
Please refer to Fig. 1, existing electric hand tool 100 with vibrations or swing, as Multi Role Aircraft, the opening direction of the electrode slice 111 of its power brick 110 and the swaying direction S-S of electric hand tool 100 are inconsistent.During electric hand tool 100 work, the power end in its battery compartment is along with swing, and constantly impacts electrode slice 111, is easy to make electrode slice 111 distortion, thereby enlarges the spacing of electrode slice 111, even causes electrode slice 111 pads to come off, and makes power brick lose efficacy.
Summary of the invention
At the deficiency that prior art exists, the invention provides a kind of electrode slice of when work, avoiding the power end impact power brick in the battery compartment, prevent electrode slice distortion, the pitch enlargement of power brick or come off the electric hand tool in prolongation power brick life-span.
Technical scheme of the present invention is achieved in that a kind of electric hand tool, comprise power brick, housing, be arranged on the motor in the described housing, by described motor-driven transmission mechanism, and the output shaft that drives and do around self axis oscillating traverse motion by described transmission mechanism, described housing is provided with battery compartment, be provided with at least two power ends in the described battery compartment, described power brick is provided with at least two electrode slices, electrode slice on the described power brick matches to give described motor power supply with power end in the described battery compartment, the bearing surface between described electrode slice and the power end is parallel with the direction of described oscillating motion.
Preferably, described at least two power ends are arranged at the bottom of described battery compartment, and described at least two electrode slices are arranged on the described power brick on the side with the axis normal of described power brick.
Preferably, one of described power end and electrode slice is plug-in unit, and another of described power end and electrode slice comprises at least two metal bursts, and described two metal bursts are oppositely arranged, form the gap between the two metal bursts, the bearing of trend in described gap is parallel with the direction of described oscillating motion.
Further, described electrode slice comprises first electrode slice and second electrode slice, first electrode slice and second electrode slice include at least two metal bursts, form first gap between the metal burst of first electrode slice, form second gap between the metal burst of second electrode slice, first gap overlaps with the bearing of trend in second gap.
Preferably, the standard output voltage of described power brick is approximately 10.8V or 14.4V.
Preferably, the output current of described power brick is approximately 8-20A.
A kind of electric hand tool, comprise power brick, housing, be arranged on the motor in the described housing, by described motor-driven transmission mechanism, and the output shaft that drives and do around self axis oscillating traverse motion by described transmission mechanism, described output shaft is vertical with first plane, described housing is provided with battery compartment, be provided with at least two power ends in the described battery compartment, described power brick is provided with at least two electrode slices, electrode slice on the described power brick matches with power end in the described battery compartment to give described motor power supply, it is characterized in that: the bearing surface between described electrode slice and the power end and described first plane parallel.
Preferably, described at least two power ends are arranged at the bottom of described battery compartment, and described at least two electrode slices are arranged on the described power brick on the side with the axis normal of described power brick.
Preferably, one of described power end and electrode slice is plug-in unit, the bearing of trend of described plug-in unit and described first plane parallel, another of described power end and electrode slice comprises at least two metal bursts, described two metal bursts are oppositely arranged, form the gap between the two metal bursts, the bearing of trend in described gap and described first plane parallel, and with the axis normal of described power brick.
Further, described electrode slice comprises first electrode slice and second electrode slice, first electrode slice and second electrode slice include at least two metal bursts, form first gap between the two metal bursts of first electrode slice, form second gap between the two metal bursts of second electrode slice, first gap overlaps with the bearing of trend in second gap.
Beneficial effect of the present invention: electric hand tool of the present invention is parallel with the direction of oscillating motion by the electrode slice and the bearing surface between the power end in the battery compartment that arrange on the power brick, avoided electric hand tool power end in the battery compartment when work to impact the electrode slice of power brick, prevent electrode slice distortion, the pitch enlargement of power brick or come off, improved the life-span of power brick.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the schematic perspective view of existing electric hand tool.
Fig. 2 is the schematic perspective view of electric hand tool of the present invention.
Fig. 3 is that electric hand tool is removed schematic perspective view behind a part of housing among Fig. 2.
Fig. 4 is the schematic top plan view of the eccentric drive mechanism of electric hand tool among Fig. 3.
Fig. 5 is the schematic perspective view at another visual angle of electric hand tool among Fig. 2.
Fig. 6 is the schematic perspective view of the power brick of electric hand tool among Fig. 2.
Fig. 7 is the schematic perspective view that power brick is removed partial shell among Fig. 6.
Wherein,
100, Multi Role Aircraft; 110, power brick; 120, housing;
130, eccentric gearing structure; 140, output shaft; 150, working head;
131, eccentric shaft; 132, eccentric part; 133, shift fork;
10, motor shaft; 133a, bottom; 133b, adjutage;
121, battery compartment; 122, power end; 111, electrode slice;
112, first battery unit; 113, circuit board; 114, battery pack;
115, second battery unit; 116, platform; 111a, first electrode slice;
111b, second electrode slice 117, metal burst; 118a, first gap;
118b, second gap; 160, first plane;
The specific embodiment
With reference to Fig. 2 and shown in Figure 3, the present invention relates to a kind of electric hand tool, be example with Multi Role Aircraft 100 in the present embodiment, the working head 150 that comprises power brick 110, housing 120, is arranged on motor (not shown) in the housing 120 and eccentric gearing structure 130, drives the output shaft 140 of doing oscillating traverse motion, driven by output shaft 140 by eccentric drive mechanism 130.
Eccentric gearing structure 130 comprises eccentric shaft 131, eccentric part 132 and shift fork 133.
Please continue with reference to figure 4, eccentric shaft 131 off-centre are arranged on the end face of motor shaft 10 of motor, and namely the center line b-b of the center line a-a of eccentric shaft 131 and motor shaft 10 at intervals.Eccentric part 132 be shaped as round platform, the end of eccentric shaft 131 passes the middle part of eccentric part 132.Shift fork 133 be shaped as U-shaped, have bottom 133a and two adjutage 133b.Fixedly connected with output shaft 140 in the bottom of shift fork 133, two adjutage 133b arrange in opposite directions, and with the circumference butt of eccentric part 132.
Drive motor shaft 10 rotations during machine operation, motor shaft 10 drives eccentric shaft 131 and makes circular motion.When eccentric shaft 131 drives the left side adjutage 133b of eccentric part 132 whole deflection shift forks 133, shift fork 133 whole left avertences; In like manner, when eccentric part 132 whole deflection the right adjutage 133b, shift fork 133 whole right avertence.The deflecting of shift fork 133 drives output shaft 140 and does oscillating traverse motion around self axis of output shaft 140, does thereby drive working head 150.
Please refer to Fig. 5, housing 120 caves in to enclosure interior away from an end of working head 150, forms battery compartment 121, and the shape of the shape of battery compartment 121 and power brick 110 is complementary, and is used for holding power brick 110.The bottom of battery compartment 121 is provided with at least two power ends 122.Described power end 122 is laminar plug-in unit.
The axis c-c of output shaft 140 is vertical with first plane 160, and the extension plane of power end 122 is parallel with first plane 160, and is also parallel with the direction of the oscillating motion of Multi Role Aircraft 100.When Multi Role Aircraft 100 work, under the effect of inertia that working head 150 swings, housing 120 also correspondingly swings, and the power end 122 in the drive battery compartment 121 is also along with the direction of oscillating motion is swung.
Please also refer to Fig. 6 and Fig. 7, power brick 110 has at least two electrode slices 111, some first battery units 112 and circuit board 113.
Some first battery unit, 112 parallel stacks build up battery pack 114.In the present embodiment, three first battery units 112 are stacked into battery pack 114, and the axis d-d of battery pack 114 is parallel with three first battery units 112, and battery pack 114 side vertical with axis d-d is triangular in shape.
Circuit board 113 is arranged on the triangle side of battery pack 114, can overcharge/cross battery pack 114 to put protection, and temperature signal, voltage signal or the charging and discharging state signal etc. of collection power brick 110.
Electrode slice 111 is welded on the circuit board 113, comprises positive electrode, negative electrode and some pickup electrodes.Positive electrode, negative electrode are used for the output energy and give Multi Role Aircraft 100, and some pickup electrodes are used for temperature signal, voltage signal or the charging and discharging state signal etc. in the output power brick 110.
The standard output voltage of every batteries unit is approximately 3.6V, and the output voltage of described power brick 110 is approximately 10.8V.
Further, power brick 110 comprises three first battery units 112 and second battery unit 115.It is triangular in shape that three first battery units 112 pile up, and second battery unit 115 overlays on the end face of first battery unit 112.The vacant part of the end face of three first battery units 112 forms a platform 116.Described electrode slice 111 is positioned on the platform 116.
The standard output voltage of every batteries unit is approximately 3.6V, and the output voltage of described power brick 110 is approximately 14.4V.
In the present embodiment, electrode slice 111 comprises the first electrode slice 111a and the second electrode slice 111b, the first electrode slice 111a and the second electrode slice 111b include and form the second long narrow gap 118b between the two metal bursts 117 that form the long narrow first gap 118a, the second electrode slice 111b at least between the two metal bursts 117 of two the metal burst that is oppositely arranged 117, the first electrode slice 111a.When power brick 110 was encased in battery compartment 121, power end 122 was inserted into respectively in the gap of corresponding electrode slice 111, thereby made power end 122 and electrode slice 111 stable contacts.
The bearing of trend of the first gap 118a of the first electrode slice 111a and the second gap 118b of the second electrode slice 111b is parallel with first plane 160, also parallel with the direction of the oscillating motion of described Multi Role Aircraft 100, and the bearing of trend of the first gap 118a and the second gap 118b is vertical with the axis d-d of power brick 110.
When Multi Role Aircraft 100 work, power end 122 in the battery compartment 121 is also along with the direction swing of the oscillating motion of Multi Role Aircraft 100, because the swaying direction of power end 122 is parallel with the bearing of trend in the gap of electrode slice 111, power end 122 can not impact electrode slice 111, make electrode slice 111 distortion cause the pitch enlargement of electrode slice 111, or make electrode slice 111 come off from circuit board 113, improved the life-span of power brick 110.
Further, the bearing of trend of the first gap 118a and the second gap 118b is located along the same line.
Be understandable that the structure of electrode slice 111 can be exchanged with power end 122, namely the structure of electrode slice 111 is laminar plug-in unit, and the structure of power end 122 is the metal burst that is oppositely arranged.
In other embodiments, the concrete structure of electrode slice 111 and power end 122 also can be other form, as long as the bearing surface between electrode slice 111 and the power end 122 is parallel with the direction of the oscillating motion of Multi Role Aircraft 100.
In other embodiments, electric hand tool also can be has vibrations or the percussion drill of oscillating motion or electric hammer etc., as long as make that electrode slice and the bearing surface between the power end in the battery compartment on the power brick are parallel with the direction of vibrations or oscillating motion.
Further, the output current of described power brick 110 is approximately 8-20A, bigger driving force is provided can for corresponding electric hand tool.Especially, when electric hand tool was Multi Role Aircraft, the output current of power brick 110 was approximately 15-20A.
Electric hand tool in the present embodiment is parallel with the direction of oscillating motion by the electrode slice 111 and the bearing surface between the power end 122 in the battery compartment 121 that arrange on the power brick 110, avoided electric hand tool power end in the battery compartment 121 122 when work to impact the electrode slice 111 of power brick 110, prevent electrode slice 111 distortion, the pitch enlargement of power brick 110 or come off, improved the life-span of power brick 110.
What it may occur to persons skilled in the art that is, the concrete structure of electric hand tool can have a lot of versions among the present invention, but major technique feature and the present invention of the used technical solution are same or similar, all should be covered by in the protection domain of the present invention.

Claims (10)

1. electric hand tool, comprise power brick, housing, be arranged on the motor in the described housing, by described motor-driven transmission mechanism, and the output shaft that drives and do around self axis oscillating traverse motion by described transmission mechanism, described housing is provided with battery compartment, be provided with at least two power ends in the described battery compartment, described power brick is provided with at least two electrode slices, electrode slice on the described power brick matches to give described motor power supply with power end in the described battery compartment, it is characterized in that: the bearing surface between described electrode slice and the power end is parallel with the direction of described oscillating motion.
2. electric hand tool according to claim 1, it is characterized in that: described at least two power ends are arranged at the bottom of described battery compartment, and described at least two electrode slices are arranged on the described power brick on the side with the axis normal of described power brick.
3. electric hand tool according to claim 1, it is characterized in that: one of described power end and electrode slice is plug-in unit, another of described power end and electrode slice comprises at least two metal bursts, described two metal bursts are oppositely arranged, form the gap between the two metal bursts, the bearing of trend in described gap is parallel with the direction of described oscillating motion.
4. electric hand tool according to claim 3, it is characterized in that: described electrode slice comprises first electrode slice and second electrode slice, first electrode slice and second electrode slice include at least two metal bursts, form first gap between the metal burst of first electrode slice, form second gap between the metal burst of second electrode slice, first gap overlaps with the bearing of trend in second gap.
5. electric hand tool according to claim 1, it is characterized in that: the standard output voltage of described power brick is 10.8V or 14.4V.
6. electric hand tool according to claim 1, it is characterized in that: the output current of described power brick is 8-20A.
7. electric hand tool, comprise power brick, housing, be arranged on the motor in the described housing, by described motor-driven transmission mechanism, and the output shaft that drives and do around self axis oscillating traverse motion by described transmission mechanism, described output shaft is vertical with first plane, described housing is provided with battery compartment, be provided with at least two power ends in the described battery compartment, described power brick is provided with at least two electrode slices, electrode slice on the described power brick matches with power end in the described battery compartment to give described motor power supply, it is characterized in that: the bearing surface between described electrode slice and the power end and described first plane parallel.
8. electric hand tool according to claim 7, it is characterized in that: described at least two power ends are arranged at the bottom of described battery compartment, and described at least two electrode slices are arranged on the described power brick on the side with the axis normal of described power brick.
9. electric hand tool according to claim 7, it is characterized in that: one of described power end and electrode slice is plug-in unit, the bearing of trend of described plug-in unit and described first plane parallel, another of described power end and electrode slice comprises at least two metal bursts, described two metal bursts are oppositely arranged, form the gap between the two metal bursts, the bearing of trend in described gap and described first plane parallel, and with the axis normal of described power brick.
10. electric hand tool according to claim 9, it is characterized in that: described electrode slice comprises first electrode slice and second electrode slice, first electrode slice and second electrode slice include at least two metal bursts, form first gap between the two metal bursts of first electrode slice, form second gap between the two metal bursts of second electrode slice, first gap overlaps with the bearing of trend in second gap.
CN201210025137.3A 2012-02-06 2012-02-06 Electric hand tool Active CN103240713B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610573154.9A CN106181905A (en) 2012-02-06 2012-02-06 Electric hand tool
CN201210025137.3A CN103240713B (en) 2012-02-06 2012-02-06 Electric hand tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210025137.3A CN103240713B (en) 2012-02-06 2012-02-06 Electric hand tool

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CN103240713B CN103240713B (en) 2016-07-27

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Cited By (3)

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CN106671032A (en) * 2016-12-28 2017-05-17 浙江亚特电器有限公司 Handheld electric tool
WO2018137127A1 (en) * 2017-01-24 2018-08-02 Tti (Macao Commercial Offshore) Limited Battery terminal holder for electric tools
CN115148523A (en) * 2022-09-06 2022-10-04 江苏鑫润轨道交通车辆配件有限公司 Electric switch for manual electric tool

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JP7039209B2 (en) * 2017-08-09 2022-03-22 株式会社マキタ Polisher
US10888492B2 (en) * 2018-02-22 2021-01-12 Hyper Ice, Inc. Battery-powered percussive massage device

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Publication number Priority date Publication date Assignee Title
CN106671032A (en) * 2016-12-28 2017-05-17 浙江亚特电器有限公司 Handheld electric tool
CN106671032B (en) * 2016-12-28 2023-12-26 浙江亚特电器股份有限公司 Hand-held electric tool
WO2018137127A1 (en) * 2017-01-24 2018-08-02 Tti (Macao Commercial Offshore) Limited Battery terminal holder for electric tools
CN110326125A (en) * 2017-01-24 2019-10-11 创科（澳门离岸商业服务）有限公司 Battery terminal retainer for electric tool
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CN115148523A (en) * 2022-09-06 2022-10-04 江苏鑫润轨道交通车辆配件有限公司 Electric switch for manual electric tool
CN115148523B (en) * 2022-09-06 2022-11-18 江苏鑫润轨道交通车辆配件有限公司 Electric switch for manual electric tool

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Effective date of registration: 20201030

Address after: 215600 No.9, Haixin Road, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province

Patentee after: POSITEC MACHINERY (ZHANGJIAGANG) Co.,Ltd.

Address before: 215123 Jiangsu Province, Suzhou City Industrial Park East Road, No. 18

Patentee before: Positec Power Tools (Suzhou) Co.,Ltd.