CN207669246U - Electric tool - Google Patents
Electric tool Download PDFInfo
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- CN207669246U CN207669246U CN201721644565.9U CN201721644565U CN207669246U CN 207669246 U CN207669246 U CN 207669246U CN 201721644565 U CN201721644565 U CN 201721644565U CN 207669246 U CN207669246 U CN 207669246U
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Abstract
The utility model discloses a kind of electric tools, including:Output shaft, motor, shell and fan;Output shaft can be dynamic by shaft rotation of first axle, and shell includes the receiving portion for being used to form accommodating chamber, and motor and fan are arranged in accommodating chamber;Shell is formed with the gas channel inside and outside connection shell;It is generated when fan rotates, in shell and flows through the radiating airflow that motor flows out to hull outside using gas channel;Gas channel includes being located at both ends in their extension direction:Air-flow inlet port and air-flow outflux, air-flow inlet port are opened wide towards enclosure interior radiating airflow is introduced gas channel, and air-flow outflux is opened wide towards hull outside exporting radiating airflow to hull outside;Along being parallel on first axle direction, air-flow inlet port is arranged in the first axial position, and air-flow outflux is arranged in the second axial position different from the first axial position.The structure setting of electric tool is reasonable and meets ergonomics.
Description
Technical field
The utility model is related to a kind of electric tools.
Background technology
The electric tool of such as electric screwdriver, electric drill one kind will produce larger vibration in operation process, therefore use
The problem of family often will appear the gripping that cannot stablize when the electric tool for holding this class is operated.In addition, existing
The structure setting of this kind of electric tool is not reasonable, and user needs the startup of both hands operation ability implementation tool, Huo Zheyong
Family holds not comfortable so that can feel after long period of operation very tired enough.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of reasonable for structure and meet man-machine work
The electric tool of Cheng Xue.
In order to realize above-mentioned target, the utility model adopts the following technical scheme:
A kind of electric tool, including:Output shaft, motor, shell and fan;Output shaft using first axle as shaft rotation when being moved
Power is exported, motor includes the motor shaft that can be moved as shaft rotation using second axis, and shell includes the receiving portion for being used to form accommodating chamber,
Fan is installed to motor shaft;Wherein, motor and fan are arranged in accommodating chamber;Shell is formed with the air-flow inside and outside connection shell
Channel;It is generated when fan rotates, in shell and flows through the radiating airflow that motor flows out to hull outside using gas channel;Gas
Circulation road includes being located at both ends in their extension direction:Air-flow inlet port and air-flow outflux, air-flow inlet port direction
Enclosure interior is opened wide so that radiating airflow is introduced gas channel, and air-flow outflux is opened wide towards hull outside with by heat transmission gas conductance
Go out to hull outside;Wherein, along being parallel on first axle direction, air-flow inlet port is arranged in the first axial position, air-flow
Outflux is arranged in the second axial position different from the first axial position.
Further, fan in position and the air-flow inlet port on first axle direction along first axle direction
Position is identical.
Further, output shaft includes the output end for exporting power;It is parallel on first axle direction on edge, air-flow
Outflux is arranged between air-flow inlet port and output end.
Further, gas channel is included at least along the tilting section for tilting the direction extension intersected with first axle direction.
Further, gas channel further includes:Guide part;Guide part is oriented to the radiating airflow flowed out from air-flow outflux extremely
Front side flow of the small part towards electric tool.
Further, shell further includes the handle portion for being held for user;Electric tool further includes being connected to handle portion
Trigger;Receiving portion includes:It the left side and right side that are oppositely arranged, trailing flank far from output shaft and is oppositely arranged
Upper side and downside;Handle portion is arranged in the downside of receiving portion;Trigger is flexibly connected with handle portion composition;Downside
It is downwardly extending lug boss, lug boss is included in the supporting surface of the middle finger of support user when user holds electric tool;
Along being parallel on the direction of first axle, supporting surface is between air-flow outflux and trigger.
Further, along being parallel on the direction of first axle, the distance between air-flow outflux and supporting surface are more than
Equal to 8mm and it is less than or equal to 15mm.
Further, trigger can be using third axis as the rotation connection of axis with handle portion composition, trigger rotation
The first axle that is rotated with output shaft of third axis be mutually perpendicular to.
Further, shell is also formed with air inlet, and air inlet is connected to the inside and outside to allow to dissipate when fan rotates of shell
Thermal current enters enclosure interior;Air inlet and air-flow outflux are separately positioned on the upper side and lower side of motor.
Further, motor shaft forms or is connected with first gear, and electric tool further includes being nibbled with first gear composition
The second gear of conjunction, output shaft are fixedly connected with clutch part;The sliding that output shaft also constitutes along first axle direction with shell connects
It connects, when output shaft is slided along first axle direction, clutch part at least has the couple state that is contacted with second gear and with the
The disengaged position that two gears are detached from.
The utility model is beneficial in that:The structure setting of electric tool is reasonable and meets ergonomics.
Description of the drawings
Fig. 1 is the stereogram of the electric tool of the utility model;
Fig. 2 is the left view of the electric tool in Fig. 1;
Fig. 3 is the right view of the electric tool in Fig. 1;
Fig. 4 is the left view after the electric tool removal partial shell in Fig. 1;
Fig. 5 is the sectional view of the electric tool in Fig. 1;
Fig. 6 is left view of the user in the electric tool in holding Fig. 1;
Fig. 7 is right view of the user in the electric tool in holding Fig. 1;
Fig. 8 is vertical view of the user in the electric tool in holding Fig. 1;
Fig. 9 is stereogram of the electric tool when removing trigger in Fig. 1;
Figure 10 is the enlarged drawing of the part-structure in Fig. 2;
Figure 11 is the stereogram of the partial shell and fan in Fig. 1;
Figure 12 is the schematic diagram of the gas channel in Fig. 4;
Figure 13 is structure chart of the structure shown in Fig. 5 when removing depth adjustment;
Figure 14 is the enlarged drawing of part-structure in Figure 13;
Figure 15 is the stereogram of trigger in Fig. 1, switch case assembly and reversing switch;
Figure 16 is the sectional view of structure shown in Figure 15.
Specific implementation mode
Fig. 1 to electric tool 100 shown in Fig. 2 be specially a kind of electric screwdriver, the electric tool 100 can be used for by
The fasteners such as screw are squeezed into cement, timber.It should be understood that the electric tool 100 of the utility model or electric drill,
The tools such as electric hammer.
As shown in Figures 1 to 5, electric tool 100 specifically includes:Shell 10, motor 51, transmission component 20, output shaft 52
With switching system 30.Wherein, output shaft 52 can be that shaft rotation is dynamic to export power with first axle 101.For electric screwdriver
Speech, electric tool 100 can also include the depth adjustment 53 for adjusting screw driving depth.
The technical solution of the utility model for convenience of explanation, also define upside as shown in Figure 1, downside, front side, after
Side, left and right side.
Shell 10 includes:Receiving portion 11 and handle portion 12, receiving portion 11 are formed with the accommodating chamber for motor 51 to be arranged
11a, handle portion 12 are used to hold for user.Receiving portion 11 is further including far from handle portion 12 along 101 direction of first axle
The front end 11b and rear end 11c being connect with handle portion 12.Receiving portion 11 specifically includes:The left side 111 being oppositely arranged and right side
112, far from the trailing flank 113 being arranged of output shaft 52, the upper side 114 that is oppositely arranged and downside 115.Wherein, handle portion 12
It is arranged at the downside of receiving portion 11 115, handle portion 12 extends obliquely from receiving portion 11.
The setting of motor 51 is formed by receiving portion 11 in accommodating chamber 11a, and motor 51 includes the motor for exporting power
Axis 511, motor shaft 511 can be dynamic for shaft rotation with second axis 102 with respect to shell 10, and the second axis 102 that motor shaft 511 rotates is also
The first axle 101 rotated with output shaft 52 is mutually parallel.In the present embodiment, motor shaft 511 rotate second axis 102 with
The first axle 101 that output shaft 52 rotates is parallel and misaligned, it is understood that at output shaft 52 is generally disposed at motor 51
Upside.
Transmission of the transmission component 20 for realizing power between motor 51 and output shaft 52.Transmission component 20 specifically can be with
Including:First gear 21, second gear 22 and clutch part 23.Wherein, first gear 21 is fixedly connected or one with motor shaft 511
It is body formed.Second gear 22 is sleeved on output shaft 52 and constitutes being slidably connected along 101 direction of first axle with output shaft 52.
Second gear 22 is also engaged with the composition of first gear 21 and can be rotated relative to output shaft 52.Clutch part 23 constitutes solid with output shaft 52
Fixed connection, the entirety that output shaft 52 is constituted with clutch part 23 can be slided with respect to second gear 22 along 101 direction of first axle.When
When output shaft 52 slide with respect to second gear 22 along 101 direction of first axle, clutch part 23 can be moved to and the with output shaft 52
The position of two gears 22 contact, clutch part 23 is at this time constitutes the couple state coupled with second gear 22, at this moment electric
Machine 51 can drive output shaft 52 to rotate.When output shaft 52 is slided with respect to second gear 22 along first axle 101, clutch part 23
The position being detached from second gear 22 can also be moved to output shaft 52, clutch part 23 is in and is detached from second gear 22 at this time
Non-coupled state, at this moment if motor 51 is run, second gear 22 will dally under the driving of first gear 21, output shaft 52
It will not rotate.
Output shaft 52 includes the output end 521 for exporting power, and output end 521 is arranged in output shaft 52 far from motor 51
Front side.
Switching system 30 includes:Switch case assembly 31, trigger 32, reversing switch 33 and locking switch 34, wherein open
It closes in space made of the setting of case assembly 31 is surrounded in handle portion 12, trigger 32 is used for for user's operation to start motor
51, reversing switch 33 is used for the rotation direction of switch motor axis 511, and screw, locking switch 34 are tightened or unscrew to realize
For trigger 32 to be locked to the predeterminated position when trigger 32 moves to predeterminated position.
Specifically, as shown in Fig. 1 to Fig. 3 and Fig. 6 to Fig. 8, the left side 111 of receiving portion 11 is also formed with left groove
111a, left groove 111a extend along the direction for being parallel to first axle 101, and left groove 111a is for 201 phase of thumb with user
Matching.Right side 112 is formed with right groove 112a, and right groove 112a also extends along the direction for being parallel to first axle 101, right recessed
Slot 112a is used to match with the index finger 202 of user.Trailing flank 113 is formed with rearward recess 113a, and rearward recess 113a can be connected to
Left groove 111a and right groove 112a.Rearward recess 113a enables to the hand of user to hold electricity from the trailing flank of receiving portion 11 113
Power driven tools 100.When the hand of user holds electric tool 100, the hand of rearward recess 113a and user are located at thumb 201 and index finger
Tiger's jaw 206 between 202 matches, and the thumb 201 of user is arranged in left groove 111a, and the index finger 202 of user is arranged on the right side
In groove 112a.
Furthermore, as shown in Figure 2 and Figure 9, handle portion 12 is also formed with for so that trigger 32 exposes to shell
Opening 121 except body 10.Trigger 32 can be that axis is spindle rotationally arranged at opening 121 with third axis 103, that is to say
Say, it is the rotation connection of axis that trigger 32 and handle portion 12, which are constituted with third axis 103, the third axis 103 also with output
The first axle 101 that axis 52 rotates is mutually perpendicular to.Reversing switch 33 is arranged in the upside of trigger 32, and reversing switch 33 passes through
The opening 121 is extend out to except shell 10.Reversing switch 33 specifically includes:Interconnecting piece 331 and operation portion 332.Interconnecting piece 331 with
Switch the composition rotation connection of case assembly 31, the axis and the first of the rotation of output shaft 52 that junction is rotated relative to switch case assembly 31
Axis 101 is mutually perpendicular to, and one end of interconnecting piece 331 be connected directly to switch case assembly 31 on, the other end of interconnecting piece 331 with
Operation portion 332 connects.Operation portion 332 is located at the outside of shell 10, and operation portion 332 is used for for user's operation, operation portion 332 and company
Socket part 331 is integrally formed.
Lug boss 116 there are one being also downwardly extending on the downside 115 of receiving portion 11, lug boss 116 is close to handle
Portion 12 is formed by 121 setting of opening, and furthermore, lug boss 116 is arranged at the edge of opening 121.The formation of lug boss 116
There are one supporting surface 116a, supporting surface 116a to be used to support the middle finger 203 of hand of the user when holding electric tool 100.On edge
It is parallel on the direction of first axle 101, lug boss 116 is arranged between the output end 521 and trigger 32 of output shaft 52.
In this way, when user holds the electric tool 100, the thumb 201 of user is placed in left groove 111a, index finger
202 are placed in right groove 112a, and the finger tip 203a settings of middle finger 203 are formed by lug boss 116 on supporting surface 116a, nothing
Name refer to 204 and little finger of toe 205 contacted with trigger 32, so that user more stable can comfortably hold the electric tool 100, into
And the shape setting of complete machine is made more to meet the design of ergonomics.Furthermore, it is contemplated that lug boss 116 is arranged in opening 121
Edge and reversing switch 33 also pass through opening 121, in this way, user when holding electric tool 100, is supported face 116a branch
The middle finger 203 of support can easily be triggered to the operation portion 332 of reversing switch 33, so as to realize singlehanded startup motor 51
Purpose.
The supporting surface 116a of lug boss 116 forward lower section, in other words, supporting surface 116a is in one and first axle
101 tilt extension in the plane of intersection, in this way, supporting surface 116a and the downside 115 of receiving portion 11 constitute a step structure
117, such user finger tip 203a of the middle finger 203 of user hand when holding electric tool 100 can be placed on step structure
At 117, to play relatively good supporting role to the hand of user.
More specifically, shell 10 is symmetrical arranged about a split by first axle 101, and output shaft 52 also closes
It is symmetrical arranged in the split, the third axis 103 that split is also rotated with trigger 32 is mutually perpendicular to.In order to user's
Palmistry matches, and as shown in Figure 10, lug boss 116 perpendicular to first axle 101 and is parallel to the ruler on the direction of split on edge
Very little L1 is more than or equal to 4mm and is less than or equal to 10mm.The middle finger for the support user for both having enable lug boss 116 more stable in this way
203 finger tip 203a, and the middle finger 203 of user can also be facilitated to move down operation reversing switch 33.
The receiving portion 11 of shell 10 substantially extends along 101 direction of first axle, the handle portion 12 of shell 10 along with first axle
The direction that line 101 tilts intersection extends.The one end of handle portion 12 far from receiving portion 11 can also be formed in conjunction with battery pack
Engaging portion 122.It is additionally provided in receiving portion 11 for giving motor 51 cooling fan 54, fan 54 is fixedly installed to motor shaft
To be rotated synchronously with motor shaft 511 on 511, fan 54 is specifically as follows centrifugal fan 54.The receiving portion 11 of shell 10 is also
It is formed with the air inlet 13 and air outlet 14 for being connected to inside and outside shell 10, air inlet 13 is arranged in the trailing flank of receiving portion 11
113, air outlet 14 is arranged in the downside of receiving portion 11 115, and air inlet 13 and air outlet 14 are also separately positioned on motor 51
The upper side and lower side.In this way, when fan 54 rotates, 10 interior energy of shell, which is generated from air inlet 13, enters accommodating chamber 11a, then flows
Through motor 51, the radiating airflow outside shell 10 is finally flowed out to from air outlet 14.Along 101 direction of first axle, protrusion
Portion 116 is formed by supporting surface 116a and is also located between trigger 32 and air outlet 14, and such user is holding electric tool
When 100, the higher radiating airflow of heat flowed out from air outlet 14 will not be blown in being arranged at supporting surface 116a of user
Refer to 203, to improve the use feel of user.
In the present embodiment, the concrete structure of air outlet 14 includes:The gas channel 141 being connected to inside and outside shell 10.Such as figure
4, shown in Figure 11 and Figure 12, gas channel 141 includes the air-flow inlet port for being located at both ends on the extending direction of itself
141a and air-flow outflux 141b.One end inside the close shell 10 of gas channel 141, gas is arranged in air-flow inlet port 141a
Entrance 141a is flowed into towards 10 interior open of shell so that radiating airflow to be introduced in gas channel 141.Air-flow outflux 141b
One end outside the close shell 10 of gas channel 141 is set, and air-flow outflux 141b is towards 10 external open of shell to incite somebody to action
Radiating airflow in gas channel 141 is exported to shell 10.It is parallel on the direction of first axle 101 on edge, lug boss
116, which are formed by supporting surface 116a, is also located between trigger 32 and air-flow outflux 141b, furthermore, air-flow outflow
Mouth the distance between 141b and supporting surface 116a also greater than equal to 8mm and are less than or equal to 15mm, are enabled in this way from air-flow stream
The radiating airflow of outlet 141b outflows will not blow to the middle finger 203 of user as far as possible.
Along being parallel on 101 direction of first axle, fan 54 is arranged in the first axial position, and air-flow inlet port 141a is set
It sets in the first axial position, the gentle axial position for flowing into entrance 141a of such fan 54 is identical, hence for centrifugal wind
For fan 54, the radiating airflow thrown away through passing through fan 54 can be entered to directly from air-flow inlet port 141a in gas channel 141.
Along being parallel on 101 direction of first axle, air-flow outflux 141b is arranged in second axis different from 101 position of first axle
To position, so that the positions on being parallel to 101 direction of first axle air-flow outflux 141b and air-flow inlet port 141a are wrong
It opens, and then the radiating airflow flowed out from air-flow outflux 141b can be made further far from handle portion 12 and lug boss
116, and then improve the use feel of user.Air-flow outflux 141b is additionally arranged at the defeated of air-flow inlet port 141a and output shaft 52
Between outlet 521, in other words, air-flow outflux 141b is arranged in the front side of air-flow inlet port 141a, so that from air-flow
The radiating airflow of outflux 141b is in the front side flow far from handle portion 12.
Specifically, gas channel 141 further includes along the inclination for tilting the direction extension intersected with 101 direction of first axle
Section 141c, tilting section 141c further include the guide part 141d being connect with air-flow outflux 141b, and guide part 141d is oriented to from air-flow
The radiating airflow of outflux 141b outflows is at least partly towards front side flow, in such manner, it is possible to further ensure radiating airflow not
The hand that user holds electric tool 100 can be blowed to.
As shown in Figure 13 and Figure 14, transmission component 20 further includes:First biased element 24, first biased element 24 is to defeated
Shaft 52 applies so that the biasing force that output shaft 52 travels forward.In this way, when user needs to squeeze into screw in the workpiece such as wall
When, as long as supporting electric tool 100 on workpiece, at this moment workpiece can apply one to output shaft 52 makes output shaft 52 along first
The driving force that 101 direction of axis moves backward, the driving force clutch part 23 to be moved to couple with second gear 22
Couple state, to which at this moment output shaft 52 will be that the dynamic driving screw of shaft rotation is squeezed into workpiece with first axle 101;And works as and use
When family needs to play next screw, electric tool 100 leaves workpiece, and workpiece no longer applies driving force to output shaft 52, and at this moment the
One biased element, 24 bias output shaft 52 travels forward, to which clutch part 23 can move forward to and the second tooth with output shaft 52
The position that wheel 22 is detached from, output shaft 52 at this time no longer rotate, and at this moment facilitate the good next screw of user setting.
The output end 521 of output shaft 52 is also formed with the slot 521a for inserting working accessory 55, is set in slot 521a
It is equipped with the ball 522 for working accessory 55 to be locked to output shaft 52,52 outside of output shaft is further sleeved with bushing 523.Bushing 523
It is constituted with output shaft 52 along being slidably connected for 101 direction of first axle is parallel to, bushing 523 is slided along 101 direction of first axle
The latched position for making ball 522 lock working accessory 55 can be slid into when dynamic, bushing 523 along 101 direction of first axle when sliding
The releasing position for making ball 522 discharge working accessory 55 can also be slid into.It is additionally provided with and is used between bushing 523 and output shaft 52
The second biased element 524 that bias bushing 523 is moved towards latched position.In the present embodiment, the second biased element 524 is specific
Bushing 523 is supported for one end, the other end supports the helical spring of output shaft 52.In this way, when user needs to pacify working accessory 55
When being filled in slot 521a, user, which can operate bushing 523, makes it be moved to releasing position with respect to output shaft 52, at this moment ball 522
Position be released, working accessory 55 can be inserted into slot 521a by user, then user unclamp bushing 523, second partially
Pressure 524 driving lining 523 of element is reset to latched position, to which ball 522 locks position of the working accessory 55 in slot 521a.
In the present embodiment, the first biased element 24 is applied to the biasing force of output shaft 52 and is applied to lining more than the second biased element 524
The biasing force of set 523.In this way, when user is in slide bushing 523, work of the output shaft 52 in the biasing force of the first biased element 24
It is kept fixed with lower position, to facilitate the operation of user.
As shown in Figure 15 and Figure 16, switch case assembly 31 specifically includes:Box body 311, circuit board 312 and push rod 313, box body
311 are arranged in handle portion 12, and circuit board 312 is arranged in box body 311, and push rod 313 is constituted with box body 311 along first straight line
104 directions are slidably connected, and the third axis 103 that 104 direction of first straight line of the sliding of push rod 313 is rotated with trigger 32
Direction is mutually perpendicular to.In the present embodiment, push rod 313 is also by the driving of trigger 32, when user's operation trigger 32
When being moved for shaft rotation with third axis 103, trigger 32 will driving push rod 313 slided with respect to box body 311, at this moment circuit
Plate 312 controls motor 51 and starts.Wherein, in order to be adapted to trigger 32, one end of the separate box body 311 of push rod 313 is also set
It is equipped with installation set 314, installation set 314 is formed with the arcwall face 314a for being contacted with trigger 32, furthermore, the arc
Shape face 314a is arc surface, in this way, when trigger 32 is moved with third axis 103 for shaft rotation, trigger 32 is to installation set
314 abrasion is smaller.Installation set 314 is also constituted with push rod 313 and is detachably connected in the present embodiment.In this way, the utility model
In electric tool 100 may be used existing common switch case assembly 31, in existing common switch case assembly 31, push away
The one end of bar 313 far from box body 311 is a plane, but for the trigger of rotary type 32, prolonged use
Afterwards, trigger 32 can cause the plane of push rod 313 certain abrasion, to influence connecing for trigger 32 and push rod 313
Precision is touched, and after installation set 314 is set on push rod 313 in the utility model, not only can the utility model be adopted
With existing switch case assembly 31, cost is saved, but also the abrasion to push rod 313 can be reduced, has improved electric tool 100
Service life.
Trigger 32 specifically includes the contact surface 321 for being contacted with the third finger 204 of user and little finger of toe 205, contact
Extend in the plane that face 321 is intersected at one with the inclination of first axle 101, and when trigger 32 is not triggered by user, connects
Plane where contacting surface 321 is more than or equal to 45 degree with the angle that first axle 101 is crossed to form and is less than or equal to 70 degree.Contact surface
The third axis 103 that plane where 321 is also rotated with trigger 32 is mutually parallel, and contact surface 321 is in edge and contact surface
Size L2 on 321 parallel and vertical with third axis 103 directions is more than or equal to 20mm and is less than or equal to 40mm, to convenient
The gripping of user.In the present embodiment, along on the direction of first axle 101, motor shaft 511 is additionally arranged at output shaft
Between 52 and trigger 32, in other words, motor 51 and output shaft 52 be on the direction of first axle 101 successively
It is arranged, entire electric tool 100 can be reduced in this way in the size on 101 direction of first axle.
The operation portion 332 of reversing switch 33 is arranged in the downside of lug boss 116, and is parallel to first axle 101 on edge
On direction, operation portion 332 is also located between supporting surface 116a and trigger 32, in this way, when user holds electric tool 100
When, the middle finger 203 that user is placed on supporting surface 116a can be in the case where the hand of user depart from electric tool 100 directly
Trigger action portion 332.Reversing switch 33 is constituted with switch case assembly 31 and is rotatablely connected, the opposite switch case assembly 31 of reversing switch 33
Axis of the axis of rotation also with the rotation of 32 opposite handle portion 12 of trigger is mutually perpendicular to.
Locking switch 34 is slidably connected with the composition of shell 10, and on the extending direction along handle portion 12, trigger 32 is also
It is arranged between locking switch 34 and engaging portion 122, so that the locking switch 34 of the utility model is not located at handle
Be provided in receiving portion 11 in portion 12, in this way, user can by relatively active thumb 201, index finger 202 etc. come
Operate locking switch 34.
It is parallel to split on edge and on the direction of first axle 101, locking switch 34 is additionally arranged at output shaft
Between 52 and trigger 32, furthermore, locking switch 34 is additionally arranged between output shaft 52 and operation portion 332, more into
For one step, locking switch 34 is also located between motor shaft 511 and trigger 32;And it is parallel to first axle 101 on edge
On direction, the homonymy in operation portion 332 is arranged in locking switch 34 and trigger 32;And perpendicular to first axle 101 and hang down
Directly on the direction of third axis 103, locking switch 34 is arranged between first axle 101 and third axis 103.In this way, working as
When user holds the electric tool 100, the thumb 201 or index finger 202 of user can trigger the locking switch 34 and be pulled with locking
The position of machine switch 32.Still further, locking switch 34 is arranged on the left side of receiving portion 11 111, and locking switch
34 are additionally arranged on left side 111 and enable to the user region that thumb 201 can touch when holding electric tool 100
It is interior.In this way, when user holds electric tool 100, the thumb 201 of user can be the case where hand depart from electric tool 100
It is lower directly to trigger locking switch 34, to facilitate the operation of user.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical solution obtained, all falls in the scope of protection of the utility model.
Claims (10)
1. a kind of electric tool, including:
Output shaft exports power when being moved as shaft rotation using first axle;
Motor, including can be using the second axis motor shaft dynamic as shaft rotation;
Shell, including it is used to form the receiving portion of accommodating chamber;
Fan, installation to the motor shaft;
Wherein, the motor and the fan are arranged in the accommodating chamber;
It is characterized in that:
The shell is formed with the gas channel being connected to inside and outside the shell;When the fan rotates, generated in the shell
Flow through the radiating airflow that the motor flows out to the hull outside using the gas channel;
The gas channel includes being located at both ends in their extension direction:
Air-flow inlet port is opened wide towards the enclosure interior radiating airflow is introduced the gas channel;
Air-flow outflux is opened wide towards the hull outside exporting radiating airflow to the hull outside;
Wherein, along being parallel on the direction of the first axle, the air-flow inlet port setting is described in the first axial position
Air-flow outflux is arranged in the second axial position different from the first axial position.
2. electric tool according to claim 1, it is characterised in that:
The fan is in the position on the first axle direction with the air-flow inlet port along the first axle direction
On position it is identical.
3. electric tool according to claim 1, it is characterised in that:
The output shaft includes the output end for exporting power;It is parallel on the first axle direction on edge, the air-flow
Outflux is arranged between the air-flow inlet port and the output end.
4. electric tool according to claim 1, it is characterised in that:
The gas channel is included at least along the tilting section for tilting the direction extension intersected with the first axle direction.
5. electric tool according to claim 1, it is characterised in that:
The gas channel further includes:
Guide part is oriented to the radiating airflow flowed out from the air-flow outflux and is flowed at least partly towards the front side of the electric tool
It is dynamic.
6. electric tool according to claim 1, it is characterised in that:
The shell further includes the handle portion for being held for user;The electric tool further includes being connected to the handle portion
Trigger;
Described accommodation section includes:
The left side and right side being oppositely arranged;
Trailing flank far from the output shaft;
The upper side being oppositely arranged and downside;
The handle portion is arranged in the downside of described accommodation section;The trigger is flexibly connected with handle portion composition;
The downside has been downwardly extending lug boss, and the lug boss, which is included in when user holds the electric tool, supports user
Middle finger supporting surface;Along being parallel on the direction of the first axle, the supporting surface be located at the air-flow outflux with
Between the trigger.
7. electric tool according to claim 6, it is characterised in that:
It is parallel on the direction of the first axle on edge, the distance between the air-flow outflux and the supporting surface are more than etc.
In 8mm and it is less than or equal to 15mm.
8. electric tool according to claim 6, it is characterised in that
The trigger and the handle portion constitute can using third axis as the rotation connection of axis, the trigger rotation
The first axle that the third axis is rotated with the output shaft is mutually perpendicular to.
9. electric tool according to claim 1, it is characterised in that:
The shell is also formed with:
Air inlet is connected to the inside and outside to allow the radiating airflow when the fan rotates to enter the enclosure interior of the shell;
The air inlet and the air-flow outflux are separately positioned on the upper side and lower side of the motor.
10. electric tool according to claim 1, it is characterised in that:
The motor shaft forms or is connected with first gear, and the electric tool further includes being engaged with first gear composition
Second gear, the output shaft is fixedly connected with clutch part;The output shaft is also constituted with the shell along the first axle
Line direction is slidably connected, and when the output shaft is slided along the first axle direction, the clutch part at least has and institute
The disengaged position stated the couple state of second gear contact and be detached from the second gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721644565.9U CN207669246U (en) | 2017-11-30 | 2017-11-30 | Electric tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721644565.9U CN207669246U (en) | 2017-11-30 | 2017-11-30 | Electric tool |
Publications (1)
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CN114193403A (en) * | 2020-09-02 | 2022-03-18 | 施耐宝公司 | Tool housing and motor exhaust management |
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CN114193403A (en) * | 2020-09-02 | 2022-03-18 | 施耐宝公司 | Tool housing and motor exhaust management |
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