CN209440364U - Portable electric plane - Google Patents
Portable electric plane Download PDFInfo
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- CN209440364U CN209440364U CN201821698832.5U CN201821698832U CN209440364U CN 209440364 U CN209440364 U CN 209440364U CN 201821698832 U CN201821698832 U CN 201821698832U CN 209440364 U CN209440364 U CN 209440364U
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- controller
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- cooling fan
- motor
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Abstract
The cooling wind of electric motor, controller is used as by the wind that the cooling fan of portable electric plane generates, or the cutting swarf discharge wind that the cutting swarf generated by Tool in Cutting work piece is discharged.Such as in the case where electric motor and controller are located at the upstream of cooling fan, it is easy to make the impetus of wind to weaken due to respective structural element, it is difficult to improve cooling effect.Such as on the flow path of wind in the case where electric motor, controller and cutter arranged in series, it is easy to make the impetus of wind to weaken due to respective structural element, it is difficult to improve cooling effect, cutting swarf discharge effect.In order to improve the cooling efficiency of controller, a kind of structure for contacting the faster cooling wind of wind speed with controller is needed.The utility model provides a kind of portable electric plane, and on the flow direction of the cooling wind generated by cooling fan (26), electric motor (20) is located at the upstream of cooling fan, and controller (40) is located at the downstream of cooling fan.
Description
Technical field
The utility model relates to a kind of hand-held portable electric planes used.
Background technique
A kind of portable electric plane is disclosed in patent document 1,2, which includes electric motor, has
Motor drive shaft；And controller, control electric motor.Portable electric plane has positioned at the pedestal of its lowest part and holds for user
Handle portion.User holds handle portion, makes the machined surface of the following table face contact timber of pedestal on one side, makes portable electric plane on one side
It moves horizontally along the longitudinal direction, carries out the surface processing of timber accordingly.The cutting swarf generated by the surface processing of timber
It is discharged to the front that the direction far from user is such as portable electric plane.
The portable electric plane of patent document 1,2 has control at the direction, that is, rear portion opposite with the discharge direction of cutting swarf
Device.For example, controller is located at the rear of electric motor.Accordingly, prevent cutting swarf from dispersing near controller.Controller press with
Lower posture configuration: comparing its front-rear direction, its up and down direction is made to become length direction.Hereby it is possible to make portable electric plane preceding
It is compact in rear direction.
The portable electric plane of patent document 1 includes cooling fan, is installed on the motor drive shaft of electric motor；Motor receives dress
Dress electric motor and cooling fan are received in room；Dress room is received with control unit, receives cartridge controller.On the wall that control unit receives dress room
It is formed with air-breathing window, control unit is received dress room and is connected to via intercommunicating pore with motor receipts dress room.It is rotated by cooling fan in horse
Indoor generation negative pressure is filled up to receiving, flows into outside air from air-breathing window.By the outside air come cooling controller and electronic
Motor.In the flow path of the cooling wind, controller and electric motor are respectively positioned on the upstream of cooling fan.
[existing technical literature]
[patent document]
Patent document 1: Japanese invention patent Publication special open 2015-127114
Patent document 2: Japanese invention patent Publication special open 2017-56684
Utility model content
[utility model technical problems to be solved]
In the portable electric plane of patent document 1, the cooling wind contacted with controller is generated by negative pressure.Therefore, with
The wind speed of the cooling wind of controller contact is slower, is unable to fully ground cooling controller sometimes.Wind caused by cooling fan is also used
In the discharge of cutting swarf.Therefore, the impetus of wind is easier to weaken.So needing one kind to improve the cooling efficiency of controller
Make the structure that faster cooling wind of wind speed is contacted with controller.
[for solving the technical solution of technical problem]
A feature according to the present utility model, portable electric plane includes electric motor, with motor drive shaft；Cooling wind
Fan, is installed on motor drive shaft；And controller, control electric motor.In the flow direction of the cooling wind generated by cooling fan
On, electric motor is located at the upstream of cooling fan, and controller is located at the downstream of cooling fan.
Therefore, in the cooling electric motor in the upstream of cooling fan, in the downstream cooling controller of cooling fan.So electricity
Dynamic motor is cooled down by the wind of the fast speed flowed in the upstream for the cooling fan for being not configured with controller.Controller passes through
It is cooled down from the faster wind of wind speed of cooling fan discharge.Therefore, cooling wind expeditiously cooling controller and electricity can be passed through
Dynamic motor.
According to other features, portable electric plane includes cutter, is rotated by electric motor；Cutter receives dress room,
Receive dress cutter；Fan receives dress room, receives dress cooling fan；Dress room is received with controller, receives cartridge controller.Portable electric plane also has
Have: cutting swarf drain passageway, connection cutter receive dress room and outside air, the cutting of the work piece generated by cutter are discharged
Bits；With the 1st downstream passages, it is connected to cutting swarf drain passageway and fan receives dress room.It is logical that portable electric plane also includes the 2nd downstream
Road, it is different from the 1st downstream passages and from controller receive dress room extend, Lai Liantong controller receive dress room and fan receive dress room；With
Exhaust window, connection controller receive dress room and outside air.
Therefore, the 1st downstream passages and the 2nd downstream passages are discharged to by the wind that cooling fan generates respectively.The wind due to
It is not the wind generated by negative pressure, therefore, fast speed.Also, the wind of the 1st downstream passages will not be interfered by controller and flow to and cut
Swarf drain passageway, hereby it is possible to which cutting swarf effectively is discharged to outside.The wind of 2nd downstream passages is not interfered by cutter and is flowed
Therefore receiving dress room to controller can be cooled effectively controller.
According to other features, portable electric plane has downstream passages, which draws from cooling fan to controller
Lead cooling wind.Downstream passages have the entrance in the extended line upper opening to diameter outward of cooling fan.It is arranged from cooling fan
Cooling wind out radially flows.Since entrance is towards the extended line, entrance keeps and receives the impetus of cooling wind.Cause
This, the fast speed of the cooling wind of flow direction controller, and can be cooled effectively controller.
According to other features, the length direction body of controller and motor drive shaft be set side by side and correspond to motor drive shaft from one
End extends to the region of the other end.Downstream passages have from entrance towards the extension of controller continuous bend and positioned at stretching
The top in portion and the outlet being open along the direction substantially parallel with motor drive shaft out.Therefore, controller and electric motor are set side by side
It sets, hereby it is possible to minimize portable electric plane.Moreover, the cooling wind being discharged from cooling fan passes through extension and outlet stream
To the length direction body of controller.Therefore, it keeps the cooling wind of wind speed to contact with controller, and can be cooled effectively control
Device.
According to other features, portable electric plane has motor case portion and controller housing portion, wherein motor case portion
Dress electric motor is received, cartridge controller is received in controller housing portion.It is formed in the one end in controller housing portion and connects with motor case portion
Logical entrance is formed with the exhaust window of discharge cooling wind in the other end.Therefore, can shorten until being discharged from cooling fan
Cooling wind contacted with controller and from exhaust window to outside discharge until path.Hereby it is possible to reduce the cooling in path
The loss of the wind speed of wind.Therefore, cooling wind can be kept higher to the cooling efficiency of controller.
According to other features, portable electric plane has air-breathing window, and air-breathing window-shaped is in motor case portion.Exhausting window
Mouth is located at the position more against the top than air-breathing window.Therefore, such as flowering structure is constituted, that is, being easy will be by cooling electric motor and control
The cooling wind that device processed and temperatures warmed and density reduce is discharged from exhaust window to outside.
According to other features, electric motor is brushless motor.Therefore, it can be realized the densification of electric motor.
Detailed description of the invention
Fig. 1 is the left view of portable electric plane involved in present embodiment.
Fig. 2 is the perspective view of portable electric plane.
Fig. 3 is the right view of portable electric plane.
Fig. 4 is the bottom view of portable electric plane.
Fig. 5 is the right view of the partial sectional view comprising portable electric plane.
Fig. 6 is the regarding sectional view of the line VI -- VI of Fig. 5.
Fig. 7 is the regarding sectional view of the VII-VII line of Fig. 6.
Fig. 8 is the regarding sectional view of the VIII-VIII line of Fig. 6.
Fig. 9 is the regarding sectional view of the IX-IX line of Fig. 6.
[description of symbols]
W: work piece；1: portable electric plane；2: front base；2a: lower surface；3: rear portion pedestal；3a: lower surface；4:
Foot；4a: spring；4b: recess portion；5: penetraction depth adjusting knob；6: handle portion；7: trigger switch；7a: spring；8: locking is pressed
Button；10: tool body section；11: main body cover；11a: arrow；11b: air-breathing window；11c: exhaust window；11d: flat spring；
12: motor case portion；13: cutter shell；14: connecting piece；15: controller housing portion；17: opening portion；20: electric motor；
21: motor drive shaft；22: stator；23: rotor；24,25: bearing；26: cooling fan；27: fan receives dress room；28: driving side belt
Wheel；29: driving band；30: cutter；30a: opening portion；31: rotary shaft；32: slave end belt pulley；33,34: bearing；35: cylinder；
35a: recess portion；35b: insertion section；35c: threaded hole；36: planing tool；37: screw；38: cutter receives dress room；39: the 1 downstream passages；
40: controller；41: opening portion (entrance)；42: the 2 downstream passages；43: controller receives dress room；44: outlet；45: bending section；
46: sensor base plate；50: battery installation section；51: battery pack；52: adapter insertion section；53: wireless communication adapter；53a:
Button；53b: lamp；54: spanner；60: dust collecting part；60a: cutting swarf drain passageway；60b: hollow portion；60c, 60d: outlet；
61: end cap.
Specific embodiment
In the following, being illustrated according to an embodiment of the FIG. 1 to FIG. 9 to the utility model.As shown in Figure 1, portable electric
Plane 1 has front base 2, rear portion pedestal 3 and tool body section 10.Tool body section 10 has the master as external installing component
Body case 11, and it is positioned in the top of front base 2 and rear portion pedestal 3.It is provided on the top of tool body section 10 for using
The handle portion 6 that person holds.
As shown in fig. 6, tool body section 10 receives dress electric motor 20, cutter 30 and controller 40.Main body cover 11 is preceding
Substantial middle region in rear direction has motor case portion 12, receives in motor case portion 12 and electric motor 20 is housed.Main body
Front region of the shell 11 in motor case portion 12 has cutter shell 13, receives in cutter shell 13 and cutter 30 is housed.
Rear area of the main body cover 11 in motor case portion 12 has controller housing portion 15, receives and is equipped in controller housing portion 15
Controller 40.In the following description, by the side for being provided with front base 2 and rear portion pedestal 3 be set as downside, for it is forward and backward,
Left and right direction, on the basis of direction when user's holding handle portion 6.
As shown in Figure 1, the lower surface 2a of front base 2 and the lower surface 3a of rear portion pedestal 3 are connected to the table of work piece W
Face.As shown in Fig. 1,2,4, the lower end of cutter 30 is from the front base 2 of rectangular plate shape and the rear portion of rectangular plate shape
Opening portion 30a between on the front-rear direction of pedestal 3 exposes downwards.Planing tool 36 is installed on cutter 30.From opening
Planing tool 36 outstanding cuts work piece W to oral area 30a downwards, accordingly, carries out the surface processing of work piece W.
As shown in Figure 1, 2, penetraction depth adjusting knob 5 is can be mounted on tool body section 10 in a manner of rotation process
Front.The lower part of penetraction depth adjusting knob 5 is provided with the pressing component of pressing front base 2.In tool body section 10
It is provided with the spring that front base 2 exerts a force downwards.By revolving penetraction depth adjusting knob 5 relative to tool body section 10
Turn, to make pressing component press front base 2 by the applied force of spring, moves front base 2 downwards.By making
Penetraction depth adjusting knob 5 is rotated relative to tool body section 10 to the opposite direction of above-mentioned direction of rotation, and front base 2 is resisted
The applied force of spring and be moved upward.Adjust height of the front base 2 relative to tool body section 10 accordingly.Before raising
When the lower surface 2a of portion's pedestal 2, from the length of opening portion 30a planing tool 36 outstanding downwards, penetraction depth is deepened.Work as drop
When low surface 2a, shorten from the length of opening portion 30a planing tool 36 outstanding downwards, penetraction depth shoals.
As shown in Figure 1, 2, the rear end of rear portion pedestal 3 is provided with foot 4.Foot 4 is with can be in the 1st posture and the 2nd
The mode rotated between posture is supported on rear portion pedestal 3.As shown in figure 5, the foot 4 of the 1st posture prolongs downwards from lower surface 3a
It stretches.The foot 4 of 2nd posture is installed in the recess portion 4b that the rear of foot 4 is arranged in the state rearward extended.4 quilt of foot
Spring 4a exerts a force and becomes the 1st posture.When portable electric plane 1 to be placed on work piece W or workbench, the 1st can be made
The foot 4 of posture and lower surface 2a are loaded in a manner of being connected to mounting surface.Hereby it is possible to prevent from opening portion 30a exposing
Cutter 30 is abutted with mounting surface.While by making lower surface 2a and lower surface 3a be connected to the machined surface of work piece W, make just
It takes formula electric planer 1 to move forwards, foot 4 rearward rotates and becomes the 2nd posture.Foot 4 becomes the 2nd posture and is able to carry out table
Face processing.
As shown in figure 5, handle portion 6 has the ring-shaped of the substantially D font extended along the longitudinal direction.In the ring of handle portion 6
The inner circumferential front of shape is provided with trigger switch (trigger) 7.Trigger switch 7 is by the applied force of spring 7a from handle portion 6
It protrudes downwards.Locking press button 8 with can extended and retracted mode the top of trigger switch 7 is set.Locking press button 8 passes through
The applied force of spring and protrude.User pulls trigger switch by pressure-locking button 8 when holding handle portion 6
7, start electric motor 20.When stopping the operation to trigger switch 7, electric motor 20 is out of service.In non-pressing lock
In the case where determining button 8, trigger switch 7 can not be pulled by backstopping assembly.Hereby it is possible to prevent electric motor 20 from starting.
As shown in fig. 6, being installed in the electric motor 20 in motor case portion 12 has motor drive shaft 21, stator 22 and rotor 23.
The horizontal extension in left-right direction of motor drive shaft 21, and through bearing 24,25 in a manner of it can be rotated relative to motor case portion 12
It is supported on motor case portion 12.Stator 22 is supported on the inner surface in motor case portion 12 in a manner of it can not rotate.Rotor 23
In the inner circumferential side of stator 22, it is supported on motor drive shaft 21, and with motor drive shaft 21 together can rotate relative to motor case portion 12
Mode be supported on motor case portion 12.Rotor 23 detects rotation angle by sensor base plate 46.
As shown in fig. 6, the cutter that cutter 30 is installed in cutter shell 13 receives dress room 38.Cutter 30 has rotary shaft 31,
The horizontal extension in left-right direction of rotary shaft 31, and cutter shell 13 is supported in a manner of it can rotate bearing 33,34.
Cutter 30 has the cylinder 35 being coaxially disposed with rotary shaft 31.As shown in figure 9, cylinder 35 have recess portion 35a, insertion section 35b and
Threaded hole 35c.Recess portion 35a is recessed to center position, and is formed in the length range in the axial direction of cylinder 35.Insertion section 35b
For slot, and in the position close to recess portion 35a to the internal stretch of cylinder 35.The extending direction of threaded hole 35c and insertion section 35b and
The axial direction of cylinder 35 is orthogonal.
As shown in figure 9, inserted with planing tool 36 in the 35b of insertion section.Planing tool 36 has point of a knife in the diameter of cylinder 35 outward.
Planing tool 36 is fastened in the width direction of insertion section 35b by being installed on the screw 37 of threaded hole 35c.Accordingly, planing tool 36 with
Point of a knife is positioned at cylinder 35 from the state outstanding of cylinder 35.
As shown in fig. 6, being provided with driving side belt pulley 28 in the left part of motor drive shaft 21.In the rotary shaft 31 of cutter 30
Left part is provided with slave end belt pulley 32.Driving band is provided between driving side belt pulley 28 and slave end belt pulley 32
29.Accordingly, the driving of motor drive shaft 21 is transmitted via driving band 29 to rotary shaft 31.Then, cutter 30 is rotated around rotary shaft 31.
As shown in figures 1 and 3, the left and right sides in cutter shell 13 is labeled with the arrow 11a for indicating the direction of rotation of cutter 30.Knife
Tool 30 is rotated to direction shown in arrow 11a.
As shown in figure 3, the right wall of shell 11 is provided with multiple air-breathing window 11b of perforation right wall outside the main body.Air-breathing window
11b is located at the right of electric motor 20, and the air of cooling electric motor 20 is allowed to flow into.As shown in fig. 6, on a left side for rotor 23
Side, cooling fan 26 are installed on motor drive shaft 21.Cooling fan 26 and motor drive shaft 21 are rotated in shell 11 outside the main body together.It is cold
But fan 26 is centrifugal fan, is installed in fan and receives dress room 27.As shown in Figure 6,7, fan receives the opening that dress room 27 has front
The opening portion 41 in portion 17 and rear portion.Extended line upper opening to diameter outward of the opening portion 17,41 in cooling fan 26.Such as Fig. 7
Shown, opening portion 17 is connected in generally horizontal directions with the 1st downstream passages 39 in front.Shown in 1st downstream passages 39 and Fig. 8
Cutting swarf drain passageway 60a be connected in generally horizontal directions.
As shown in Fig. 1,2,6, connecting piece 14 rearward extends from the left rear end in motor case portion 12, and bending is connected to
The left part in controller housing portion 15.2nd downstream passages 42 are set to the inside of connecting piece 14.2nd downstream passages 42 are being open
Dress room 27 is received with fan at portion's (entrance) 41 to be connected to.2nd downstream passages 42 are at outlet 44 and are set to controller housing portion 15
Controller receive dress room 43 be connected to.Opening portion 41 is open in the longitudinal direction.44 upper opening in left and right directions of outlet.2nd downstream
Access 42, towards the midway of outlet 44, is bent from opening portion 41 at bending section 45.Bending section 45 extends in substantially arc-shaped.
Controller 40 is formed and receiving dress control base board in shallower box body and carrying out resin moulded molding.Such as Fig. 7
Shown, with plate thickness direction towards roughly vertical direction and from front direction rear, inclined posture is installed in control to controller 40 downward
Device processed receives dress room 43.The front end of controller 40 is located at the position more against the top than motor drive shaft 21, and the rear end of controller 40 is located at than horse
Up to the position of axis 21 on the lower.As shown in fig. 6, position of the left end of controller 40 positioned at the left end than motor drive shaft 21 on the right side.
The right end of controller 40 is located at the position that left side is leaned on than the right end of motor drive shaft 21.
Controller 40 mainly has control circuit, the power circuit for carrying out the action control of electric motor 20.It is controlling
Equipped with the control circuit being made of microcomputer, by FET (Field Effect Transistor: field-effect on device 40 processed
Transistor) constitute driving circuit and be automatically stopped circuit etc., wherein control circuit is according to the sensor base by electric motor 20
The location information of the rotor 23 that plate detects sends control signal；Driving circuit is according to the control received from the control circuit
Signal makes the current switching of electric motor 20；Be automatically stopped circuit and cut off according to the testing result of the state of battery pack 51 to
The power supply of electric motor 20, overdischarge or overcurrent condition will not be become.
As shown in Figure 6,7, multiple exhaust windows of the right wall of perforation main body cover 11 are provided in the right of controller 40
11c.As shown in figure 3, air-breathing window 11b and exhaust window 11c are formed in the right side of main body cover 11, and towards right side side.
Exhaust window 11c may be provided at the level position of air-breathing window 11b phase, or the position than air-breathing window 11b high is set.
As shown in Figure 1, the rear end of shell 10 is provided with battery installation section 50 outside the main body.Battery pack 51 as power supply source
Battery installation section 50 is installed in a manner of it can remove.Battery pack 51 for example can using by the charger that in addition prepares into
Row charges and is capable of the lithium ion battery of the 18V output of Reusability.Battery pack 51 can also lead in other electric tools
With.
As shown in fig. 7, being provided with the collection of the substantially cylindrical shape extended in left-right direction in the top that cutter receives dress room 38
Dirt portion 60.It is connected to as shown in figure 8, the hollow portion 60b of dust collecting part 60 receives dress room 38 with cutter via cutting swarf drain passageway 60a.
The left and right end of hollow portion 60b has outlet 60c, 60d towards the transverse opening of portable electric plane 1.It can be in outlet
End cap 61 is installed on 60c, 60d.By installing end cap 61 on the outlet of a side, it can make to flow over from cooling fan 26 and
Wind from the outlet of another party be discharged.Therefore, be able to suppress the reduction of wind speed, wind as cutting swarf discharge with and it is efficient
Utilize to rate.
As shown in Figure 1, the side of shell 11 is provided with adapter insertion section 52 outside the main body.Adapter insertion section 52 relative to
The concave shape of the surface squarely of main body cover 11.Installation wireless communication adapter is inserted into adapter insertion section 52
53.The wireless communication adapter 53 for being inserted into adapter insertion section 52 is electrically connected with channel radio credit controller (not shown).Nothing
Line leads to credit controller and is for example set to controller 40.Wireless communication adapter 53 carries out nothing between other auxiliary devices
Line communication.Auxiliary device is, for example, the dust arrester for aspirating cutting swarf.By wireless communication, the starting operation, stopping of auxiliary device
Movement and starting operation, the stopping movement of portable electric plane 1 link.
Wireless communication adapter 53 is carried out in advance between the wireless communication adapter for being installed on auxiliary device for energy
The association (pairing) enough carried out wireless communication.As shown in Figure 1, pairing is had by common pressing operation wireless communication adapter 53
Button that the wireless communication adapter of some button 53a and auxiliary device equally has carries out.When in the shape for completing pairing
Connection operation trigger switch 7 under state and make portable electric plane 1 start when, relevant starting information from wireless communication adapter 53 to
Auxiliary device is sent, and is based on this, auxiliary device starts automatically.Wireless communication state is made by the illuminating state of lamp 53b to inform
User.
As shown in Figure 3,4, the right side of shell 11 is provided with two flat spring 11d arranged in parallel up and down outside the main body.?
Near two flat spring 11d, insertion hole (not shown) is formed with from the right side of main body cover 11 towards left.By T-shaped
The foot of spanner 54 be inserted into the insertion hole.By the way that two arms of spanner 54 are clamped into flat spring 11d, by spanner 54 with
The mode that can be removed is installed on main body cover 11.Spanner 54 is for being installed on cylinder 35 for planing tool 36 and tearing open from cylinder 35
Tightening operation will be carried out to screw 37 when lower, or screw 37 is carried out to unscrew operation.
Referring to Fig. 6,7,8, to the rotation by cooling fan 26 in the cooling wind of 10 internal flow of tool body section and
The flowing of cutting swarf discharge wind is illustrated.Firstly, passing through the driving of electric motor 20, it is installed on the cooling fan of motor drive shaft 21
26 rotations.The negative pressure generated and by the rotation of cooling fan 26, air are inhaled into motor case portion from air-breathing window 11b
In 12.Air flows in motor case portion 12 from right to the left.The outside air of cooling fan 26 is reached to cooling fan
26 diameter is sent out outward.
Referring to Fig. 6,7,8, the air being sent from cooling fan 26 is formed on two opening portions that fan receives dress room 27
17,41 two big flow paths are branched into.The air flow circuit of one side is received from fan under the opening portion the 17 towards the 1st in the front of dress room 27
Swim access 39.Air flows to cutting swarf drain passageway 60a from the 1st downstream passages 39, and flows to hollow portion 60b.On the other hand, it rolls up
Enter to have the rotation due to cutter 30 and the wind of cutting swarf that generates is received dress room 38 from cutter and is discharged to cutting swarf drain passageway 60a.
Collaborate and be involved in there is the air of cutting swarf to be discharged from the outlet 60c for being not installed with end cap 61 in hollow portion 60b.
Referring to Fig. 6, the air flow circuit of another party from fan receive dress room 27 rear opening portion 41 towards the 2nd downstream passages
42.Cooling wind is flowed into controller from the 2nd downstream passages 42 and receives dress room 43.The cooling wind flowed into is received in dress room 43 in controller
Cooling controller 40 while flowing from lower left towards upper right side.Controller 40 can be by the sky that extends along its length direction
Gas is cooled with Speed Efficient rate appropriate.The air of cooling controller 40 is from exhaust window 11c to outside main body cover 11
Portion releases.
As described above, as shown in fig. 6, in portable electric plane 1, in the cooling electric motor 20 in the upstream of cooling fan 26,
In the downstream cooling controller 40 of cooling fan 26.Therefore, controller 40 is not configured in the upstream of cooling fan 26.Therefore,
Electric motor 20 will not be interfered by controller 40 and by flowing faster air cooling in the upstream of cooling fan 26.40 quilt of controller
Be discharged from cooling fan 26, the faster air cooling of wind speed.Therefore, cooling wind expeditiously 40 He of cooling controller can be passed through
Electric motor 20.
As can be seen from figures 6 to 8, the opening portion 17,41 of dress room 27 is received respectively to the 1st from the wind that cooling fan 26 generates from fan
Downstream passages 39 and the discharge of the 2nd downstream passages 42.Since the wind is not the wind generated by negative pressure, fast speed.Also,
The wind of 1st downstream passages 39 will not be interfered by controller 40 and flow to cutting swarf drain passageway 60a, therefore, can effectively to
Outside discharge cutting swarf.The wind of 2nd downstream passages 42 will not be interfered by cutter 30 and flow direction controller receives dress room 43, so as to
Effectively cooling controller 40.
As shown in fig. 6, there is the 2nd downstream passages 42 fan to receive dress room 27 in the extension to diameter outward of cooling fan 26
The opening portion 41 of line upper opening.Therefore, the 2nd downstream passages 42 keep and receive the gesture for the cooling wind being discharged from cooling fan 26
Head.Therefore, the fast speed of the cooling wind of flow direction controller 40, and can be cooled effectively controller 40.
As shown in fig. 6, the length direction body of controller 40 is set side by side with motor drive shaft 21, and correspond to motor drive shaft 21 from
One end to the region of the other end and extend.2nd downstream passages 42 have from opening portion 41 towards the curved of 40 continuous bend of controller
Pars convoluta 45 and positioned at bending section 45 top and along with motor drive shaft 21 it is substantially parallel direction opening outlet 44.Therefore, it controls
Device 40 processed is set side by side with electric motor 20, hereby it is possible to make portable electric plane 1 in the lateral direction with it is small-sized on front-rear direction
Change.Moreover, length direction of the cooling wind being discharged from cooling fan 26 by 44 flow direction controllers 40 of bending section 45 and outlet
Body.Therefore, it keeps the cooling wind of wind speed to contact with controller 40, and can be cooled effectively controller 40.
As shown in fig. 6, being formed with the opening portion 41 being connected to motor case portion 12 in the one end in controller housing portion 15, such as
Shown in Fig. 3, the exhaust window 11c of discharge cooling wind is formed in the other end.Therefore, can shorten until from 26 row of cooling fan
Cooling wind out contacts with controller 40 and from exhaust window 11c to the path until external discharge.Hereby it is possible to reduce path
The loss of the wind speed of middle cooling wind.Therefore, cooling wind can be kept higher to the cooling efficiency of controller 40.
As shown in figure 3, exhaust window 11c is located at the position more against the top than being formed in the air-breathing window 11b in motor case portion 12
It sets.Therefore, it constitutes such as flowering structure, that is, being easy will be by cooling electric motor 20 and 40 temperatures warmed of controller and density subtracts
Small cooling wind is discharged from exhaust window 11c to outside.As shown in fig. 6, electric motor 20 is brushless motor.Therefore, Neng Goushi
The densification of existing electric motor 20.
Various changes can be added to portable electric plane 1 described above.Shape, the posture of controller 40 are not limited to this
Shape, posture illustrated in embodiment, such as multiple controllers can be divided into, or with plate thickness direction towards front and back
The posture in direction is arranged.As shown in fig. 7, the 1st downstream passages 39 are set to the front that fan receives dress room 27, the 2nd downstream passages 42
It is set to the rear portion that fan receives dress room 27.Also it can replace in this, by the 1st downstream passages 39 and the 2nd downstream passages 42 in front and back
It is arranged to the same direction on direction.As power supply source, battery pack 51 can be not only used, such as can also be using in addition preparing
DC power supply or AC power source.
As shown in figure 4, connecting piece 14 is rearward protruded from motor case portion 12, rather than it is prominent to side.It can also generation
For in this, and the rear in motor case portion 12 by connecting piece 14 be set to motor case portion 12 and controller housing portion 15 it
Between.As shown in fig. 6, controller housing portion 15 is located at the position at the rear in motor case portion 12.Also it can replace in this, and make to control
Device shell 15 processed is located at the position in the top in motor case portion 12, lower section or front.
As shown in fig. 7, the 1st downstream passages 39, the 2nd downstream passages 42 have the diameter extension outward in cooling fan 26
The opening portion 17,41 of line upper opening.Also it can replace in this, the 1st downstream passages 39, the 2nd downstream passages 42 are in cooling fan 26
Diameter extended line outward near opening portion is set.As shown in Figure 6,7, the length direction body and motor of controller 40
Axis 21 is set side by side.Also it can replace and be configured to make the length direction body of controller 40 orthogonal with motor drive shaft 21 in this.
Claims (7)
1. a kind of portable electric plane, which is characterized in that
It includes
Electric motor, with motor drive shaft；
Cooling fan is installed in the motor drive shaft；With
Controller controls the electric motor,
On the flow direction of the cooling wind generated by the cooling fan, the electric motor is located at the upper of the cooling fan
Trip, the controller are located at the downstream of the cooling fan.
2. portable electric plane according to claim 1, which is characterized in that
It includes
Cutter is rotated by the electric motor；
Cutter receives dress room, and receipts fill the cutter；
Fan receives dress room, and receipts fill the cooling fan；
Controller receives dress room, and receipts fill the controller；
Cutting swarf drain passageway is connected to the cutter and receives dress room and outside air and be discharged and be processed by what the cutter generated
The cutting swarf of part；
1st downstream passages, are connected to the cutting swarf drain passageway and the fan receives dress room；
2nd downstream passages, it is different from the 1st downstream passages, the extension of dress room is received from the controller and is connected to the control
Device processed receives dress room and the fan receives dress room；With
Exhaust window is connected to the controller and receives dress room and outside air.
3. portable electric plane according to claim 1 or 2, which is characterized in that
With downstream passages, which guides the cooling wind from the cooling fan to the controller,
The downstream passages have the entrance in the extended line upper opening to diameter outward of the cooling fan.
4. portable electric plane according to claim 3, which is characterized in that
The length direction body of the controller be set side by side with the motor drive shaft and correspond to the motor drive shaft from one end to another
The region of one end and extend,
The downstream passages have from the entrance towards the bending section of the controller continuous bend and are located at the bending section
Top and along with the motor drive shaft it is substantially parallel direction opening outlet.
5. portable electric plane according to claim 3, which is characterized in that
With motor case portion and controller housing portion, wherein receive and fill the electric motor in the motor case portion；The control
Device shell receives and fills the controller,
It is formed with the entrance being connected to the motor case portion in the one end in the controller housing portion, is formed in the other end
There is the exhaust window that the cooling wind is discharged.
6. portable electric plane according to claim 5, which is characterized in that
With air-breathing window, motor case portion described in air-breathing window-shaped Cheng Yu,
The exhaust window is located at the position more against the top than the air-breathing window.
7. portable electric plane according to claim 1, which is characterized in that
The electric motor is brushless motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-219947 | 2017-11-15 | ||
| JP2017219947A JP6932620B2 (en) | 2017-11-15 | 2017-11-15 | Portable plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209440364U true CN209440364U (en) | 2019-09-27 |
Family
ID=66835615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821698832.5U Active CN209440364U (en) | 2017-11-15 | 2018-10-19 | Portable electric plane |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6932620B2 (en) |
| CN (1) | CN209440364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442234A (en) * | 2021-07-16 | 2021-09-28 | 浙江汉固达网络信息技术有限公司 | Electric planer and wood planing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112223431B (en) | 2019-07-15 | 2022-09-13 | 株式会社牧田 | Automatic planer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4619919Y1 (en) * | 1967-10-03 | 1971-07-10 | ||
| US20050284543A1 (en) * | 2004-06-23 | 2005-12-29 | One World Technologies Limited | Pre-directing insert for a bi-directional exhausting handheld planer |
| JP5633940B2 (en) * | 2012-03-15 | 2014-12-03 | 日立工機株式会社 | Portable electric cutting machine |
| JP6480975B2 (en) * | 2012-09-26 | 2019-03-13 | 株式会社マキタ | Electric tool |
| JP6238064B2 (en) * | 2013-12-27 | 2017-11-29 | 日立工機株式会社 | Electric plane |
| JP6657608B2 (en) * | 2015-06-12 | 2020-03-04 | マックス株式会社 | Rechargeable tool |
| JP2017056684A (en) * | 2015-09-18 | 2017-03-23 | 株式会社マキタ | Portable plane |
-
2017
- 2017-11-15 JP JP2017219947A patent/JP6932620B2/en active Active
-
2018
- 2018-10-19 CN CN201821698832.5U patent/CN209440364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442234A (en) * | 2021-07-16 | 2021-09-28 | 浙江汉固达网络信息技术有限公司 | Electric planer and wood planing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6932620B2 (en) | 2021-09-08 |
| JP2019089261A (en) | 2019-06-13 |
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