CN109909960A - A kind of electric tool - Google Patents
A kind of electric tool Download PDFInfo
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- CN109909960A CN109909960A CN201910323940.7A CN201910323940A CN109909960A CN 109909960 A CN109909960 A CN 109909960A CN 201910323940 A CN201910323940 A CN 201910323940A CN 109909960 A CN109909960 A CN 109909960A
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- shaft
- rotating shaft
- shell
- working end
- electric tool
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- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The invention discloses a kind of electric tools, are related to power tools technology field, solve electric tool in the prior art and are limited by space, can not it is vertical with working surface, cannot be with the problem of when the parts linkage such as bolt, tool is not available.Main technical schemes of the invention are as follows: including first shell and motor, the inside of the first shell is arranged in the motor, further includes: the first end of first rotating shaft, the first rotating shaft is connected to motor, for driving the rotation of the first rotating shaft；Second shaft, the first end of second shaft are the first working end, and second shaft is perpendicular to the first rotating shaft, and the first rotating shaft is able to drive second shaft and rotates synchronously.
Description
Technical field
The present invention relates to power tools technology field more particularly to a kind of electric tools.
Background technique
Electric tool, which refers to, holds with a hand operation, using fractional electric motor or electromagnet as power, passes through motor driven
The tool that output shaft drives work head rotary work by deceleration mechanism is hit by taping block again in deceleration mechanism, compared to only leading to
The tool for crossing force operation manually has more high efficiency, convenience, more laborsaving.
Existing electric tool such as electric wrench, electric drill etc., electric wrench are for tightening and unscrewing bolt or nut
A kind of tool for tightening high-strength bolt；Electric drill is the boring bar tool that power is done using electricity, is added by clicking band nutating gear
The strength of big drill bit rotation.Above-mentioned electric tool is all that motor directly rotates the tool to work to driving spindle, some
Space is restricted, the working end of electric tool can not it is vertical with working surface, cannot be with the parts linkage such as bolt in the case where,
It is not available then.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of electric tool, main purpose is that solution is in the prior art electronic
Tool is limited by space, can not it is vertical with working surface, cannot be with when the parts linkage such as bolt, tool can not make
The problem of using.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the invention provides a kind of electric tool, which includes:
First rotating shaft, the first end of the first rotating shaft are connect with the driving mechanism, for driving the first rotating shaft
Rotation；
The first end of second shaft, second shaft is the first working end, and second shaft is perpendicular to described first
Shaft, and the first rotating shaft is able to drive second shaft and rotates synchronously.
Optionally, further includes: second shell, the first end of the second shell are connect with the first shell；
The second end of second shaft is connect by flange bearing with the second shell, and the of second shaft
The second shell is run through in one end.
Optionally, spire is provided on the surface of the first rotating shaft；
It is provided in second shaft and is able to drive described with the spire pitch wheel, the gear
Two shafts rotate synchronously.
Optionally, further includes: first bevel gear, the first bevel gear are arranged in the first rotating shaft, and described the
One bevel gear and the first rotating shaft rotate synchronously；
Second bevel gear, the second bevel gear are arranged in second shaft, and the second bevel gear with it is described
Second shaft rotates synchronously；
Wherein, the second bevel gear and the first bevel gear are intermeshed.
Optionally, the second end of the first rotating shaft is through the second end of the second shell as the second working end.
Optionally, the first rotating shaft is connect by flange bearing with the second end of the second shell.
Optionally, section of first working end of second working end and second shaft of the first rotating shaft
Face shape is respectively set to hexangle type, for being used cooperatively with sleeve.
Optionally, second working end of the first rotating shaft and first working end of second shaft difference
It is set as drill bit.
Optionally, divide on second working end of the first rotating shaft and first working end of second shaft
Protective cap is not provided with it.
A kind of electric tool that the embodiment of the present invention proposes by driving mechanism directly to driving first rotating shaft rotation, and is set
Second shaft perpendicular with the first rotation is set, and is able to drive the second shaft while first rotating shaft rotation and synchronizes and turn
It is dynamic, using the first end of the second shaft as the first working end, for carrying out processing to working surface or being carried out with parts such as bolts
Linkage work etc. realizes the change of the driving mechanism driving direction of electric tool, can apply in some limited spaces, such as work
The working end of tool can not it is vertical with working surface, electronic work cannot can be improved with the construction site of the parts linkage such as bolt etc.
The practicability of tool, improves work efficiency simultaneously.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electric tool provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another electric tool provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another electric tool provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another electric tool provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another electric tool provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to a kind of electric tool proposed according to the present invention, specific embodiment, structure, feature and its
Effect, detailed description is as follows.
As shown in Figure 1, shown in Figure 5, the embodiment of the present invention proposes a kind of electric tool, comprising: first rotating shaft 1, first rotating shaft 1
First end connect with driving mechanism, for driving the rotation of first rotating shaft 1, driving mechanism is arranged in first shell 3
Portion,；Second shaft 2, the first end of the second shaft 2 are the first working end 4, and the second shaft 2 is perpendicular to first rotating shaft 1, and first
Shaft 1 is able to drive the second shaft 2 synchronous rotation.
Wherein, above-mentioned electric tool can do power and pass through for electricity consumptions such as electric drill in the prior art, electric wrenches
Motor, which is directly rotated to driving spindle, carries out Work tool comprising motor and the transmission mechanism connecting with motor drive, speed reducer
Motor, transmission mechanism, deceleration mechanism etc. are used to drive the mechanism of first rotating shaft to be referred to as driving mechanism by structure etc., can directly to
The rotation of first rotating shaft 1 is driven, electric tool further includes first shell 3, for accommodating the driving mechanism etc. inside electric tool
Components, first shell 3 can be made up of insulating materials, such as: first shell 3 can be shell made of plastic material,
The inside of first shell 3 is arranged in driving mechanism, and is should still be provided in first shell 3 for the hand-held handle used of staff
Hand works convenient for staff's electric hand tool.
Specifically, the second shaft 2 is vertically arranged with first rotating shaft 1, and in the same of the driving mechanism driving rotation of first rotating shaft 1
When, first rotating shaft 1, which is able to drive the second shaft 2 and synchronizes, to be rotated, and the first end of the second shaft 2 is used as the first working end 4
In drill or unscrew to bolt, nut to working surface the work such as tightening, by the setting of the first working end 4, just
It can change single straight of existing driving mechanism and realize the change of driving direction to drive form, be adapted to some spaces
Narrow, limited construction site, as the second end of the first rotating shaft 1 of electric tool can not be vertical with working surface as working end
Drill or the second end of the first rotating shaft 1 of electric tool as working end can not it is vertical with bolt linkage unscrewed or
The practicability of electric tool can be improved and to construction site in the setting of situations such as tightening, the first working end 4 of the second shaft 2
Adaptability.The first end of second shaft 2 as the first working end 4, such as: when electric tool be electric drill when, the first working end 4 is then
As the drill bit of electric drill, it is able to carry out drilling and uses；When electric tool is for electric wrench, the first working end 4 be then set as with
The section that sleeve is used cooperatively is the work head of hexangle type, for tightening and unscrewing bolt or nut.First rotating shaft 1 and second turn
The specific type of attachment of axis 2 can there are many, it is intended to realize that the second shaft 2 is mutually perpendicular to first rotating shaft 1, and first rotating shaft 1
It is able to drive the second shaft 2 synchronous rotation, such as: it can be by the way that helicla flute be arranged in first rotating shaft 1, and at second turn
Setting and spiral pitch wheel on axis 2, when first rotating shaft 1 rotates, helicla flute drives the gear rotation being engaged with,
The second shaft 2 can be driven to synchronize rotation.For the practicability for improving electric tool, the second end of first rotating shaft 1 and second
It, can be using the second end of first rotating shaft 1 as electric tool under the premise of first working end 4 of shaft 2 will not interfere
Electric tool tool is realized there are two orthogonal working end in another working end, i.e. staff can want according to use occasion
It asks and different working ends is selected to work, greatly enhance the practicality and convenience, the work of staff can be reduced
Difficulty, and working efficiency can be improved.
The embodiment of the present invention proposes a kind of electric tool, by driving mechanism directly to driving first rotating shaft rotation, and sets
Second shaft perpendicular with the first rotation is set, and is able to drive the second shaft while first rotating shaft rotation and synchronizes and turn
It is dynamic, using the first end of the second shaft as the first working end, for carrying out processing to working surface or being carried out with parts such as bolts
Linkage work etc. realizes the change of the driving mechanism driving direction of electric tool, can apply in some limited spaces, such as work
The working end of tool can not it is vertical with working surface, electronic work cannot can be improved with the construction site of the parts linkage such as bolt etc.
The practicability of tool, improves work efficiency simultaneously.
As shown in Figure 1, shown in Figure 5, specifically, further include: second shell 5, the first end of second shell 5 and first shell 3 connect
It connects；The second end of second shaft 2 is connect by flange bearing 6 with second shell 5, and the first end of the second shaft 2 runs through second
Shell 5.The first end of first rotating shaft 1 is connect with driving mechanism, and the inside of first shell 3, first rotating shaft 1 is arranged in driving mechanism
Second end the outside of first shell 3 is set, the needs of first rotating shaft 1 are connect with the second shaft 2, and second shell 5 is arranged can
To play the role of receiving and fixation to first rotating shaft 1 and the second shaft 2, second shell 5 can use identical as first shell 3
Material be made, it is openning shape that second shell 5, which can be set to first end, and for connect with first shell 3, second end is to close
The first end of the shell structure of formula, second shell 5 is connect with first shell 3, and connection type can be incited somebody to action there are many form
Second shell 5 is detachably connected with first shell 3, such as: second shell 5 can be connected through a screw thread with first shell 3.Due to
Second shaft 2 needs to rotate with first rotating shaft 1, so the connection of the second shaft 2 and second shell 5 cannot be rigid fixed company
It connects.Need to guarantee that the second shaft 2 can rotate, and second shell 5 can play the role of supporting positioning to the second shaft 2, this
In the connection of the second shaft 2 with second shell 5 can be realized using flange bearing 6, flange bearing 6 is flange and is pumped into one
Structure, axially position can be carried out by flange, flange is fixedly connected with the side wall of second shell 5, and pass through axis
It holds and is connect with the second shaft 2, can guarantee low friction torque and good rotating accuracy.The first end of second shaft 2 is as
One working end 4, so the first end of the second shaft 2 needs the upper side wall or lower wall through second shell 5, below with second
The first end of shaft 2 is described for the lower wall of second shell 5, then the second end of the second shaft 2, i.e., second turn
The upper end of axis 2 and flange bearing 6 are connected and fixed on the upper side wall of second shell 5, for the stability for improving the second shaft 2,
It can connect two flange bearings 6 in second shaft 2, another flange bearing 6 can be set in the second shaft 2 through second shell
On the position of the lower wall of body 5, i.e. the second shaft 2 is connect by another flange bearing 6 with the lower wall of second shell 5, is passed through
Two positions carry out positioning support to second turn of 2 axis, can guarantee the reliability of the second shaft 2 work.
First rotating shaft 1 and the second shaft 2 can there are many specific types of attachment, as shown in Figure 1, Figure 2, Figure 3 shows, first turn
Spire 7 is provided on the surface of axis 1；Be provided in second shaft 2 with 7 pitch wheel 8 of spire, gear 8 can
The second shaft 2 is driven to rotate synchronously.Specifically, spire 7 is arranged on the circumferential surface in first rotating shaft 1, spire 7 can be with
It is the trough body structure or bulge-structure of spiral setting, spire 7, which can be, to be locally provided in first rotating shaft 1, position
It can setting corresponding with the position that the second shaft 2 is arranged；Can also on the excircle of first rotating shaft 1 whole installation spire
7, it is not particularly limited herein.By the way that gear 8 is arranged in the second shaft 2, gear 8 and the second shaft 2 are coaxially disposed, and second
Shaft 2 runs through the middle part of gear 8, and the connection of the second shaft 2 and gear 8 may be a fixed connection, be clamped etc., it is intended to realize tooth
Wheel 8 is able to drive the second shaft 2 synchronous rotation.The teeth portion of gear 8 and the helicla flute or spiral salient of spire 7 are mutually nibbled
It closes, when driving mechanism driving first rotating shaft 1 rotates, the spire 7 in first rotating shaft 1 drives the gear 8 engaged to rotate,
So as to realize the synchronous rotation of first rotating shaft 1 and the second shaft 2, and the second end of first rotating shaft 1 will not interfere with second turn
The rotation of axis 2 can reliably guarantee the synchronous rotation of first rotating shaft 1 and the second shaft 2.
As shown in Figure 1, first rotating shaft 1 is attached with the second shaft 2 by above-mentioned type of attachment or other types of attachment
When first rotating shaft 1 may be implemented not interfering the rotation of the second shaft 2, the second end of first rotating shaft 1 can be run through into second shell 5
Second end as the second working end 9.The second working end 9 is set by the second end of first rotating shaft 1, electric tool may be implemented
There are two orthogonal working ends for tool, such as: in the case where no limited space, it can directly pass through the second working end 9
It works, the manipulation convenient for staff to electric tool is more convenient to use, is conducive to improve working efficiency；And
In the case where some use occasions are narrow, limited, when not being available the second working end 9, the progress of the first working end 4 can be used
Work.Electric tool is adapted to different applicable situation demands, improves the practicability of electric tool, reduces staff's
Work difficulty, and working efficiency can be improved.
As shown in Figure 1, above-mentioned using the second end of first rotating shaft 1 as when the second working end 9, first rotating shaft 1 can lead to
It crosses flange bearing 6 to connect with the second end of second shell 5, specifically, the second end of first rotating shaft 1 is through the of second shell 5
Flange bearing 6, is arranged in the junction of first rotating shaft 1 Yu second shell 5 by two ends, and flange bearing 6 is flange and is pumped into one
Structure, the axially position of first rotating shaft 1 can be carried out by flange, flange and the second end side wall of second shell 5 are fixed
Connection, and connect by bearing with first rotating shaft 1, it can guarantee low friction torque and good rotating accuracy.Setting method
Blue bearing 6 realizes the connection of first rotating shaft 1 and second shell 5, and the stability and reliability of first rotating shaft 1 can be improved.
First rotating shaft 1 and the second shaft 2 can there are many specific types of attachment, as shown in Figure 4, Figure 5, further includes: the
One bevel gear 10, first bevel gear 10 are arranged in first rotating shaft 1, and first bevel gear 10 and first rotating shaft 1 rotate synchronously；The
Two bevel gears 11, second bevel gear 11 are arranged in the second shaft 2, and second bevel gear 11 and the second shaft 2 rotate synchronously；Its
In, second bevel gear 11 and first bevel gear 10 are intermeshed.Specifically, first rotating shaft 1 and the second shaft 2 pass through intermeshing
First bevel gear 10 and second bevel gear 11 connect, need to guarantee is the axial direction of first bevel gear 10 and second bevel gear 11
It is mutually perpendicular to, the connection of first bevel gear 10 and first rotating shaft 1 and second bevel gear 11 and the second shaft 2 can be fixed company
It connects, it is intended to realize that first bevel gear 10 turns with the synchronous rotation of first rotating shaft 1 and second bevel gear 11 and the synchronous of the second shaft 2
It is dynamic.When being driven using first bevel gear 10 and second bevel gear 11, the length to first rotating shaft 1 is needed to have a fixed limit
System, it is ensured that the second end of first rotating shaft 1 does not interfere the rotation of the second shaft 2.
Electric tool can be electric wrench, it is corresponding can be by the second working end 9 of first rotating shaft 1 and the second shaft 2
The cross sectional shape of the first working end 4 be respectively set to hexangle type, for being used cooperatively with sleeve.Electric wrench for tightening or
Person unscrews the electric tool of bolt and nut, and it is hexagon that the first working end 4 and the second working end 9, which are disposed as cross sectional shape,
Working end, carry out the tightening of bolt and nut for mating sleeve, unscrew, the size in the hexangle type section of specific working end
It is determined by the size of sleeve used in conjunction with, so the first work of different dimensions can be set according to use demand
End 4 and the second working end 9.
Electric tool can also be electric drill, it is corresponding can be by the second working end 9 of first rotating shaft 1 and the second shaft 2
First working end 4 is respectively set to drill bit.Electric drill is to make the tool that power drills using electricity, by the first working end 4 and the
Two working ends 9 are disposed as drill bit, may be used as drilling and use, and the specification of drill bit here has in mostly, specific first work
The specification of end 4 and the second working end 9 depends on bore diameter.
Specifically, the first working end 4 and the second working end 9 are also not limited to two kinds of above-mentioned structures, according to meeting
The type of the electric tool of situation, the first working end 4 and the second working end 9 can be used as corresponding working end and work, i.e.,
Different working ends is selected according to different electric tools.
Specifically, as shown in Figure 1, on the second working end 9 of first rotating shaft 1 and the first working end 4 of the second shaft 2 respectively
It is provided with protective cap 12.Protective cap 12 is set on the first working end 4 and the second working end 9 respectively, in the first working end 4
It when not needing work with the second working end 9, is buckled by protective cap 12, plays the role of protection, avoid hurting sb.'s feelings.With first
The second end of shaft 1 is as the second working end 9, and specifically there are two the case where working end to be described for electric tool, in electronic work
When having work, first rotating shaft 1 and the second shaft 2 are rotated synchronously, so when the driving mechanism of electric tool is opened, the first work
End 4 and the second working end 9 start simultaneously at rotation, and are only needing a working end to be worked i.e. using electric tool every time
Can, staff can only be concerned about position and the service condition for needing working end to be used at work, and another working end turns
It is dynamic to be possible to cause accidental injury personnel or damage construction location, so guarantor can be passed through when using one of working end
Helmet 12 clasps another working end, electric tool when not in use, by protective cap 12 by the first working end 4 and the second working end
9 clasp respectively, on the one hand can prevent the first working end 4 and the second working end 9 from hurting sb.'s feelings, and on the other hand, can also work first
End 4 and the second working end 9 play a protective role, and extend the service life of the first working end 4 and the second working end 9.Protective cap 12
It can be made of the insulating materials with some strength, such as: the protective cap 12 made by plastic material can be selected.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of electric tool, including first shell and driving mechanism, the driving mechanism are arranged in the first shell
Portion characterized by comprising
First rotating shaft, the first end of the first rotating shaft are connect with the driving mechanism, for driving turning for the first rotating shaft
It is dynamic；
Second shaft, the first end of second shaft are the first working end, second shaft perpendicular to the first rotating shaft,
And the first rotating shaft is able to drive second shaft and rotates synchronously.
2. electric tool according to claim 1, which is characterized in that further include:
Second shell, the first end of the second shell are connect with the first shell；
The second end of second shaft is connect by flange bearing with the second shell, and the first end of second shaft
Through the second shell.
3. electric tool according to claim 2, which is characterized in that
Spire is provided on the surface of the first rotating shaft；
It is provided in second shaft and is able to drive described second turn with the spire pitch wheel, the gear
Axis rotates synchronously.
4. electric tool according to claim 2, which is characterized in that further include:
First bevel gear, the first bevel gear is arranged in the first rotating shaft, and the first bevel gear and described first
Shaft rotates synchronously；
Second bevel gear, the second bevel gear is arranged in second shaft, and the second bevel gear and described second
Shaft rotates synchronously；
Wherein, the second bevel gear and the first bevel gear are intermeshed.
5. electric tool according to claim 3, which is characterized in that
The second end of the first rotating shaft runs through the second end of the second shell as the second working end.
6. electric tool according to claim 5, which is characterized in that
The first rotating shaft is connect by flange bearing with the second end of the second shell.
7. electric tool according to claim 5, which is characterized in that
The cross sectional shape of first working end of second working end and second shaft of the first rotating shaft is distinguished
It is set as hexangle type, for being used cooperatively with sleeve.
8. electric tool according to claim 5, which is characterized in that
Second working end of the first rotating shaft and first working end of second shaft are respectively set to drill bit.
9. electric tool according to claim 5, which is characterized in that
Guarantor is respectively arranged on second working end of the first rotating shaft and first working end of second shaft
Helmet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323940.7A CN109909960A (en) | 2019-04-22 | 2019-04-22 | A kind of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910323940.7A CN109909960A (en) | 2019-04-22 | 2019-04-22 | A kind of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109909960A true CN109909960A (en) | 2019-06-21 |
Family
ID=66978038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910323940.7A Pending CN109909960A (en) | 2019-04-22 | 2019-04-22 | A kind of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109909960A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396127A (en) * | 2002-12-14 | 2004-06-16 | Black & Decker Inc | Dual output power tool |
| CN101204803A (en) * | 2006-12-18 | 2008-06-25 | 苏州宝时得电动工具有限公司 | Electric tools |
| CN201619101U (en) * | 2010-03-17 | 2010-11-03 | 封崇 | Hand-held multifunctional electric tool with multiple power outlets |
| CN102079061A (en) * | 2009-12-01 | 2011-06-01 | 苏州宝时得电动工具有限公司 | Power tool |
| CN207373053U (en) * | 2017-08-24 | 2018-05-18 | 大唐黑龙江新能源开发有限公司 | A kind of dismantling device of threaded connector |
| CN108177128A (en) * | 2017-12-27 | 2018-06-19 | 宁波奥高科技有限公司 | A kind of portable multifunctional electric tool |
| CN209954617U (en) * | 2019-04-22 | 2020-01-17 | 北京送变电有限公司 | Electric tool |
-
2019
- 2019-04-22 CN CN201910323940.7A patent/CN109909960A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396127A (en) * | 2002-12-14 | 2004-06-16 | Black & Decker Inc | Dual output power tool |
| CN101204803A (en) * | 2006-12-18 | 2008-06-25 | 苏州宝时得电动工具有限公司 | Electric tools |
| CN102079061A (en) * | 2009-12-01 | 2011-06-01 | 苏州宝时得电动工具有限公司 | Power tool |
| CN201619101U (en) * | 2010-03-17 | 2010-11-03 | 封崇 | Hand-held multifunctional electric tool with multiple power outlets |
| CN207373053U (en) * | 2017-08-24 | 2018-05-18 | 大唐黑龙江新能源开发有限公司 | A kind of dismantling device of threaded connector |
| CN108177128A (en) * | 2017-12-27 | 2018-06-19 | 宁波奥高科技有限公司 | A kind of portable multifunctional electric tool |
| CN209954617U (en) * | 2019-04-22 | 2020-01-17 | 北京送变电有限公司 | Electric tool |
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