CN203843800U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN203843800U CN203843800U CN201420116851.8U CN201420116851U CN203843800U CN 203843800 U CN203843800 U CN 203843800U CN 201420116851 U CN201420116851 U CN 201420116851U CN 203843800 U CN203843800 U CN 203843800U
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- China
- Prior art keywords
- switch
- switch lever
- main body
- handle part
- connecting hole
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 238000005553 drilling Methods 0.000 description 8
- 240000007643 Phytolacca americana Species 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 244000251953 Agaricus brunnescens Species 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Abstract
The utility model relates to a kind of electric tools, and the faulty operation that locking opening operation is directly carried out when the purpose is to make opening operation is difficult to carry out. The electric tool has: tool body section is equipped with the electric motor as driving source in the tool body section; Handle part, the handle part connect with tool body section and hold for operator; Switch main body, the switch main body are set to handle part and switch to the electric power loop of electric motor; And switch lever, the switch lever carry out switch operation to the switch main body, switch lever is constituted are as follows: switch main body can be maintained at opening state and being operated to both direction at least different from each other.
Description
Technical field
The utility model relates to the electric tools such as the electric drill that such as drilling operation uses.
Background technology
This electric tool possesses: will in the electro-motor of drive source, be loaded on the tool body in motor shell; The handle portion of controlling for user; Inside be loaded in this handle portion, and the power circuit of electro-motor carried out to the switch main body of switch; For the switch lever that this switch main body is carried out to switching manipulation.When switch lever is carried out to opening operation, thereby switch main body is opened electro-motor starting.When electro-motor starting, swivel bearing is in the anterior main shaft rotation of tool body.On main shaft, be equipped with the front end cutters such as drill bit via clamp portion.
Patent documentation described as follows is disclosed, sometimes near of switch lever be provided with locking and open switch.Open switch if operate this locking under the state that switch lever is carried out to opening operation, this switch lever is locked to opening operation state and electro-motor is maintained at starting state.Open switch according to this locking, even if user's finger tip leaves and also can make electro-motor remain on starting state from switch lever, therefore can easily carry out continuous drilling operation.
Patent documentation 1: TOHKEMY 2000-233383 communique
Patent documentation 2: Japanese kokai publication hei 11-347968 communique
Utility model content
But, open switch for existing locking, towards make electro-motor starting open the direction that direction operates and the locking of this open mode locking opened to direction identical, therefore, exist and wish to carry out separately in the situation of opening operation, easily carrying out maloperation is the problem of the faulty operation of locking open mode.
The purpose of this utility model is to provide the switch being difficult to having locking opening function and carries out the electric tool of faulty operation.
Above-mentioned problem is solved by following technical scheme.
The electric tool of the first technical scheme has: tool body portion is provided with the electro-motor as drive source in this tool body portion; Handle part, this handle part is connected with tool body portion and controls for operator; Switch main body, this switch main body is located at handle part and the electric power loop of electro-motor is carried out to switch; And switch lever, this switch lever carries out switching manipulation to this switch main body, and electric tool is characterised in that, and switch lever is configured to: can be by operating and switch main body is remained on to open mode to the both direction at least differing from one another.
According to the first technical scheme, owing to needing 2 different towards each other directions to operate switch lever for switch main body locking is opened, therefore the existing structure identical with locking opening operation direction with opening operation direction compared, and can be difficult for carrying out faulty operation.
The second technical scheme, according to described in the first technical scheme electric tool, pedestal portion at handle part is formed with support holes and connecting hole, wherein, support holes is along switching manipulation direction supporting switch lever, connecting hole is for being held in open position by switch lever, switch lever possesses the supporting leg of the support holes of being inserted through, and can be sticked in the engaging protrusion portion of connecting hole, electric tool is configured to: can make supporting leg along moving in support holes along switch direction operation switch lever, and, this switch lever is fascinated before the direction different from switching manipulation direction at open position, thereby can make engaging protrusion portion be sticked in connecting hole and lock opening operation.
According to the second technical scheme, after switch lever being operated to open position side, make switch lever make engaging protrusion portion be sticked in connecting hole towards fascinating before the direction different from this direction of operating, can make thus switch main body locking open.
The 3rd technical scheme, according to the electric tool described in the first or second technical scheme, handle part have from the rear portion crossing-above of tool body portion to below annular, on the rear portion of this annular handle part, possess switch lever.
According to the 3rd technical scheme, utilize the finger tip of the hand of controlling handle part to carry out switching manipulation and locking opening operation to switch lever, can improve thus the practicality of this electric tool.
Brief description of the drawings
Fig. 1 is the overall side view of the related electric tool of embodiment of the present utility model.
Fig. 2 is the top view of the switch of the first embodiment.Originally illustrate closed condition.
Fig. 3 is the longitudinal section of the switch of the first embodiment.Originally illustrate closed condition.
Fig. 4 is the top view of the switch of the first embodiment.Originally illustrate locking open mode.
Fig. 5 is the longitudinal section of the switch of the first embodiment.Originally illustrate locking open mode.
Fig. 6 is the longitudinal section of the switch of the second embodiment.Originally illustrate closed condition.
Fig. 7 is the longitudinal section of the switch of the second embodiment.Originally illustrate locking open mode.
Fig. 8 is the longitudinal section of the switch of the 3rd embodiment.Originally illustrate closed condition.
Fig. 9 is the longitudinal section of the switch of the 3rd embodiment.Originally illustrate locking open mode.
Number in the figure explanation:
1 ... electric tool (cultivating champignon is with boring);
2 ... tool body portion, 2a ... body shell, 2b ... air entry;
3 ... reduction gearing portion; 3a ... driven gear, 3b ... jackshaft, 3c ... idler gear, 3d ... output gear, 3e ... main shaft, 3f ... exhaust outlet, 3g ... gear housing;
4 ... drilling attachment;
5 ... handle part; 5a ... pedestal portion, 5b ... connecting hole, 5c ... support holes, 5d ... protuberance, 5e ... stopper rib, 5f, 5g, 5h ... switch keeps rib, 5i ... wall portion, 5j, 5k, 5m ... switch keeps rib;
6 ... power line, 6a～6c ... distribution;
7 ... electro-motor; 7a ... rotor, 7b ... stator, 7c ... cooling fan, 7d ... rectifier, 7e ... carbon brush, 7f ... output shaft, 7g ... driven wheel;
8 ... front end cutter;
9 ... locating stop, 9a ... hold-down nut;
10 ... switch (the first embodiment);
11 ... switch lever; 11a ... non-slip process, 11b ... engaging protrusion portion, 11c ... supporting leg, 11c1 ... front end bend, 11d ... jut;
12 ... switch main body (sliding button formula); 12a ... sliding button, 12b ... engaging edge part;
13 ... switch adapter; 13a ... bar holding section, 13b ... recess, 13c ... protuberance;
14 ... Compress Spring;
20 ... switch (the second embodiment); 21 ... switch main body; 21a ... poke rod; 22 ... switch adapter, 22a ... recess, 22b ... protuberance, 22c ... holding section; 23 ... supporting edge;
30 ... switch (the 3rd embodiment); 31 ... switch main body (push button); 31a ... button, 31b ... Compress Spring; 32 ... actuation arm; 33 ... supporting rib; 34,35 ... switch keeps rib.
Detailed description of the invention
Next, based on accompanying drawing 1～Fig. 9, the first～three embodiment of the present utility model is described.As shown in Figure 1, as the electric tool 1 in the first～three embodiment, example the electric drill for example adopting in the drilling operation of cultivating champignon (so-called cultivating champignon is with boring).This electric tool 1 possesses: will in the electro-motor 7 of drive source, be loaded on the tool body portion 2 of body shell 2a; Be arranged at the anterior reduction gearing portion 3 of tool body portion 2; Be arranged at the anterior drilling attachment 4 of reduction gearing portion 3; And be arranged at the handle part 5 of the D shape at the rear portion of tool body portion 2.
Electro-motor 7 possesses rotor 7a, stator 7b and cooling fan 7c.Stator 7b is fixed on body shell 2a side so that rotor 7a is positioned at the state of its inner circumferential side.The upper sliding-contact of rectifier 7d that is arranged at the rear portion of rotor 7a has carbon brush 7e, 7e.The output shaft 7f extending before and after rotor 7a possesses.Rotor 7a is to rotate freely by this output shaft 7f supporting.Cooling fan 7c is fixed in the output shaft 7f of rotor 7a.By starting this electro-motor 7, cooling fan 7c rotation, is cooled thereby make extraneous gas be imported into this electro-motor 7 in body shell 2a via the air entry 2b～2b at rear portion that is arranged at body shell 2a thus.The extraneous gas being inhaled into through air entry 2b～2b, through in body shell 2a after front side flow, the exhaust outlet 3f～3f of the gear housing 3g through being arranged at reduction gearing portion 3 is discharged to outside.
The driven wheel 7g of front end and the driven gear 3a of reduction gearing portion 3 that are arranged at the output shaft 7f of electro-motor 7 engage.Driven gear 3a is fixed in the rearward end side of jackshaft 3b.The leading section side of jackshaft 3b is fixed with idler gear 3c.Idler gear 3c engages with output gear 3d.Output gear 3d is fixed in main shaft 3e.Main shaft 3e is forwards outstanding from reduction gearing portion 3.Drilling attachment 4 for front end Cutting tool installation manner is installed on main shaft 3e.On this drilling attachment 4, the front end cutters 8 such as drill bit are installed.
When the electro-motor 7 of tool body portion 2 starts, its rotation output exports main shaft 3e to after reduction gearing portion 3 slows down.
The gear housing 3g of reduction gearing portion 3 is provided with the locating stop 9 of the working depth for adjusting front end cutter 8.This locating stop 9 is threaded into the rear portion of being fixed on gear housing 3g the front that extends to drilling attachment 4.Due to leading section and the machined material butt of this locating stop 9, front end cutter 8 is limited with respect to the working depth (degree of depth in hole) of machined material.The position (working depth) of the fore-and-aft direction of this locating stop 9 can be adjusted simply by unscrewing hold-down nut 9a.
The part that handle part 5 is controlled at user's one hand has the annular between rear upper surface side and the lower face side of straddle tool main part 2.The top of handle part 5 is provided with the switch 10 that the power circuit of electro-motor 7 is carried out to switch.Switch 10 possesses: for the switch lever 11 of user's operation; And the operation of passing through switch lever 11 is by the switch main body 12 of switch.Draw the power line 6 of AC power for application from the bottom of handle part 5.Power line 6 is connected with switch main body 12 via distribution 6a.Draw 2 distribution 6b, 6c from switch main body 12.Two distribution 6b, 6c are connected with carbon brush 7e respectively.
Present embodiment has feature at starting, the switch 10 used of shut-down operation, for other the basic structure as electric drill with existing identical, in present embodiment without changing especially.
Fig. 2 shows 3 related embodiments of switch 10 later.Fig. 2～Fig. 5 shows the switch 10 of the first embodiment.The switch 10 of the first embodiment possesses switch lever 11, and this switch lever 11 is supported to and can slides along the smooth 5a of pedestal portion of the upper corner that is arranged at handle part 5.The direction that the 5a of pedestal portion is set to uprise gradually towards front side tilts.Be provided with the 5i of wall portion, the 5i of circular shape with the state stretching out upward in the left and right sides of the 5a of pedestal portion.Utilize this arm 5i, 5i can prevent that other article etc. from contacting with switch lever 11, prevents the casual slide (faulty operation) to switch lever 11 thus.
As illustrated, the upper surface toe lateral of switch lever 11 is towards the direction inclination of projection upward.Scope from the upper surface middle part of switch lever 11 to this jut 11d, is provided with in the time of slide for anti-skidding non-slip process 11a～11a.
As shown in Figure 3, the 11b of engaging protrusion portion is set to one with the state and the described jut 11d that stretch out from the front end of described jut 11d downwards.In addition, the lower surface fore-and-aft direction centre of switch lever 11 is provided with supporting leg 11c integratedly with the state stretching out towards below.On the other hand, the front portion of the 5a of pedestal portion is provided with connecting hole 5b and support holes 5c.The 11b of engaging protrusion portion of switch lever 11 is inserted into connecting hole 5b, is pulled out on the contrary.The supporting leg 11c of switch lever 11 is inserted through support holes 5c.Support holes 5c is the long slotted eye of fore-and-aft direction, allows the displacement of the fore-and-aft direction of supporting leg 11c.Supporting leg 11c is interior outstanding to handle part 5.The leading section of supporting leg 11c is provided with the front end bend 11c1 that bends to L font.Utilize this front end bend 11c1 to prevent that supporting leg 11c from deviating from from support holes 5c and following bar holding section 13a.
As shown in Fig. 3 and Fig. 5, the internal configurations of handle part 5 has sliding button formula switch main body 12.The upper surface of this sliding body 12 possesses sliding button 12a.As shown in Figure 5, if make sliding button 12a forward Slideslip this switch main body 12 open, as shown in Figure 3, close if make it move backward this switch main body 12.Insert and be held in the switch that is arranged at the inner face of handle part 5 and is " コ " font and keep rib 5f, 5f by being arranged at engaging edge 12b, the 12b of front and back of switch main body 12, thereby switch main body 12 is held in this handle part 5.In addition, switch main body 12 is installed to be following state, similarly utilizes the switch of the inner face that is arranged at handle part 5 to keep rib 5h, 5g to prevent switch main body 12 rocking to front-rear direction (position skew).
On sliding button 12a, be coated with and become the switch adapter of small-sized box-shaped 13.This sliding button 12a enters the inside of the recess 13b of this switch adapter 13.Therefore, as shown in Figure 5, if switch adapter 13 slides, thus sliding button 12a integratedly forward this switch main body 12 of Slideslip open.On the contrary, if as shown in Figure 3, switch adapter 13 Slideslip backwards, thus shift knob 12a integratedly backwards this switch main body 12 of Slideslip close.
The compressed spring 14 of described switch adapter 13 and shift knob 12a is to the direction application of force moving towards rear side (closing side).Compress Spring 14 is clipped on the protuberance 5d of the inside that is arranged at integratedly handle part 5 and is arranged between the protuberance 13c of front surface of switch adapter 13.
The front surface top of switch adapter 13 is provided with bar holding section 13a.13a upper card in this bar holding section hangs with the front end bend 11c1 of the supporting leg 11c of switch lever 11.
Therefore, when switch lever 11 is carried out to slide from the rear side closed position shown in Fig. 2 and Fig. 3 to the open position of the front side shown in Fig. 4 and Fig. 5, through the fastening state of its supporting leg 11c and bar holding section 13a, switch adapter 13 Slideslip forward, switch main body 12 is opened thus.Cancel switch bar 11 is during towards the slide of front side, utilize Compress Spring 14 to switch adapter 13 to rear side (the closing side) application of force, switch lever 11 is similarly got back to rear side (closing side) integratedly through the fastening state of supporting leg 11c and bar holding section 13a thus, thereby switch main body 12 is closed.
While like that switch lever 11 being carried out to slide towards front side as shown in FIG. 4 and 5, the 11b of engaging protrusion portion of switch lever 11 arrives the top of connecting hole 5b.Therefore, switch lever 11 is carried out to slide towards front side, the front portion that remains unchanged and press switch lever 11 with finger tip, thus the 11b of engaging protrusion portion enters in connecting hole 5b as shown in Figure 5.Utilize as mentioned above Compress Spring 14 indirectly to switch lever 11 towards the rear side application of force.Therefore,, in the time that the 11b of engaging protrusion portion enters cancel switch bar 11 under the state in connecting hole 5b towards the slide of front side, become the application of force card that the 11b of engaging protrusion portion utilizes Compress Spring 14 and be hung on connecting hole 5b fastening state below.While utilizing the application of force of Compress Spring 14 to make the 11b of engaging protrusion portion be sticked in the rear portion of connecting hole 5b, switch lever 11 is retained as opening of front side, thereby switch main body 12 is locked into open mode, and the starting state of electro-motor 7 is maintained.It is equivalent to the locking open mode (being locked to the state of open position) of switch 10.
As shown in Figure 5, under the locking open mode of switch 10, the rear portion of switch lever 11 becomes the state floating from the 5a of pedestal portion.Therefore, by utilizing finger tip to press the rear portion of switch lever 11, thereby the 11b of engaging protrusion portion is disengaged by the fastening state (locking open mode) of extracting the two from connecting hole 5b.When the 11b of engaging protrusion portion is extracted from connecting hole 5b, switch lever 11 utilizes the indirectly-acting of Compress Spring 14 directly to get back to the closed position of rear side, thereby switch main body 12 is closed, and electro-motor 7 stops.
According to the electric tool 1 of the first embodiment of said structure, while utilizing finger tip, towards front side open position, switch lever 11 is carried out to slide, thereby switch main body 12 is opened electro-motor 7 and is started.While keeping fixedly utilizing finger tip to remove towards the slide of front side, switch lever 11 utilizes the indirectly-acting of Compress Spring 14 to get back to the closed position of rear side, thereby switch main body 12 is closed electro-motor 7 and stopped.
Make after electro-motor 7 startings thereby switch lever 11 is carried out to slide towards the open position of front side, while fascinating operation before carrying out the front portion of switch lever 11 directly to press, the 11b of engaging protrusion portion is inserted in connecting hole 5b.The 11b of engaging protrusion portion is inserted under the state in connecting hole 5b, while utilizing finger tip to remove push, the 11b of engaging protrusion portion becomes the state that utilizes the indirectly-acting card of Compress Spring 14 to be hung on the rear portion of connecting hole 5b, thereby switch 10 becomes locking open mode.
Like this, according to the first embodiment, make the operation that switch lever 11 slides towards the open position of front side for switch 10 locking is opened and press its front portion before fascinate in two operations of operation, need to this switch lever 11 towards each other different 2 directions carry out move operation, from this point of view, be difficult for this switch 10 to carry out faulty operation to locking open mode.
Fig. 6 and Fig. 7 show the switch 20 of the second embodiment.In the second embodiment, replace the switch main body 12 of the sliding button formula of described the first embodiment to adopt the switch main body 21 of dial type.In addition, in the second embodiment, different from the first embodiment, switch lever 11 is supported to and can carries out slide along the 5a of pedestal portion of level.The left and right sidepiece of the 5a of pedestal portion, the wall portion 5i, the 5i that with the state that towards top stretch out are provided with faulty operation for prevent switch lever 11 identical with the first embodiment.The parts identical with the first embodiment and structure adopt identical label symbol and the description thereof will be omitted.
The top of tumbler switch main body 21 possesses the poke rod 21a that can fascinate forwards, backwards.Switch main body 21 utilizes the switch of the inside that is arranged at integratedly handle part 5 to keep rib 5j, 5k, 5m to be fixed to the state not rocking.
The poke rod 21a of switch main body 21 enters in the recess 22a of switch adapter 22.As shown in the figure, the position of fascinating of the recess 22a of switch adapter 22 and throw rod 21a is formed as the leg-of-mutton pyramid of section accordingly.Switch adapter 22 is supported to and can slides along the upper surface front and back of the supporting edge 23 that is arranged at integratedly handle part 5 inside.
Switch adapter 22 is backwards when side shifting as shown in Figure 6, and poke rod 21a rolls moving backwards, thereby switch main body 21 is closed.Switch adapter 22 is backwards when side shifting as shown in Figure 7, and poke rod 21a rolls moving forward, thereby switch main body 21 is opened.Identical with the first embodiment, be arranged at switch adapter 22 front surface protuberance 22b and and handle part 5 be arranged at integratedly between the protuberance 5d of handle part 5 inside and clamped Compress Spring 14.Utilize this Compress Spring 14 to switch adapter 22 towards to the mobile direction application of force of rear side (closing side).In addition, identical with the first embodiment, the upper card of holding section 22c that is arranged at the front upper of this switch adapter 22 hangs with the front end bend 11c1 of switch lever 11.
According to the switch 20 of the second embodiment of such formation, when open position to switch lever 11 from from the closed position shown in Fig. 6 to front side carries out slide, utilize the fastening state of supporting leg 11c and holding section 22c, switch adapter 22 side shifting forward, make thus throw rod 21a roll forward moving, thereby switch main body 21 is opened electro-motor 7 and is started.
If remove the opening operation of switch lever 11 being carried out to the finger tip of opening operation, utilize the indirectly-acting of Compress Spring 14 to make switch lever 11 get back to the closed position of rear side, thereby throw rod 21a rotate to rear side, switch main body 21 is closed thus, and electro-motor 7 stops.
Switch lever 11 is carried out slide and made after electro-motor 7 starting to the open position of front side, and while keeping fixedly pressing switch lever 11 anterior, the 11b of engaging protrusion portion is inserted in connecting hole 5b.In connecting hole 5b, be inserted with under the state of the 11b of engaging protrusion portion, while removing the push of finger tip, become locking open mode thereby the 11b of engaging protrusion portion utilizes the indirectly-acting of Compress Spring 14 to become the state switch 20 that card is hung on the rear portion of connecting hole 5b.
Like this, utilize the second embodiment, for the operation that switch lever 11 is slided towards the open position of front side that switch 20 lockings are opened, with press in 2 operations of operation of its front portion, due to needs towards each other different direction carry out 2 operations, therefore identical with the first embodiment, when this switch 20 is carried out to opening operation, be difficult to lock mistakenly the such faulty operation of opening operation.
Fig. 8 and Fig. 9 show the related switch 30 of the 3rd embodiment.The switch 30 of the 3rd embodiment possesses and all switch main bodies 31 of different push buttons of the first and second embodiment.Adopt identical Reference numeral the description thereof will be omitted for the parts without changing and structure.The rear portion side top of handle part 5 is provided with the 5a of pedestal portion of smooth and level.The sidepiece place, left and right of the 5a of pedestal portion, identically with first, second embodiment is provided with the 5i of wall portion, 5i with the state stretching out upward.
The front portion of the 5a of pedestal portion is provided with connecting hole 5b.The central portion of the 5a of pedestal portion is provided with the support holes 5c of slotted eye shape long on fore-and-aft direction.Switch lever 11 is set to can be along the 5a of this pedestal portion at fore-and-aft direction slide.
Identical with first, second embodiment, the non-slip process 11a～11a that is provided with anti-skidding use above of switch lever 11.The 11b of engaging protrusion portion is arranged at the lower surface front portion of switch lever 11 downwards with the state stretching out.In addition, the lower surface substantial middle portion of switch lever 11 is provided with front end and bends to the supporting leg 11c of L font.Supporting leg 11c enters the inside of handle part 5 via the support holes 5c of the 5a of pedestal portion.
The inside group of the handle part 5 of the below of the 5a of pedestal portion enters switch main body 31.Switch main body 31 with by and handle part 5 switch that is arranged at integratedly the inside of handle part 5 keep clamping between rib 34,35 and the state that do not rock is entered by group.
The top, rear surface of switch main body 31 possesses button 31a.Utilization is built in Compress Spring 31b in switch main body 31, and outstanding side (closing side) is spring energized to button 31a towards the rear.As shown in Figure 9, by the spring energized button 31a that is pressed into front side of opposing Compress Spring 31b, this switch main body 31 is opened.
Below the 5a of pedestal portion, side bearing has rear portion to bend to the actuation arm 32 of L font.This actuation arm 32 is to cross over the state support that also can slide at fore-and-aft direction between pair of right and left supporting rib 33,33 in the inside of handle part 5.As shown in the figure, the rear portion of this actuation arm 32 has the 32a of action movie portion that bends to L font and stretch out downwards.The rear surface butt of this 32a of action movie portion and button 31a.The front portion of actuation arm 32 is provided with connecting hole 32b.In this connecting hole 32b, card hangs with the front end bend 11c1 of the supporting leg 11c of switch lever 11.
While switch lever 11 being carried out to slide towards the open position side of front side, through fastening state actuation arm 32 side shifting forward of this supporting leg 11c and connecting hole 32b.Actuation arm 32 is forward when side shifting, thereby utilizes the 32a of action movie portion to open to the button 31a switch main body 31 of opening side push switch main body 31, and then electro-motor 7 starts.Thus, the elastic acting force to open position side that opposing is formed by the Compress Spring 31b of button 31a, actuation arm 32 and switch lever 11 carry out move operation to front side.
Remove while carrying out the slide of finger tip of the switch lever 11 of slide to open position side, as shown in Figure 8, utilize the elastic acting force of the Compress Spring 31b of button 31a to make switch lever 11 and actuation arm 32 get back to rear side closed position.Actuation arm 32, to the movement of rear side and the closed position of switch lever 11, limits by the 32a of action movie portion and with the stopper rib 5e butt that handle portion 5 is arranged in handle portion 5 integratedly.
As shown in Figure 9, thereby switch lever 11 is carried out to slide towards front side, switch main body 31 is carried out after opening operation, while keeping fixedly this switch lever 11 being carried out to pressing operation downwards, the 11b of engaging protrusion portion is inserted into connecting hole 5b.While removing subsequently the push of finger tip, the 11b of engaging protrusion portion utilizes the indirectly-acting of the acting force of the spring of the Compress Spring 31b of button 31a, becomes card and be hung on the state at the rear portion of connecting hole 5b.The state that becomes card and be hung on connecting hole 5b by the 11b of engaging protrusion portion, switch main body 32 is locked to open mode, thus the starting state of electro-motor 7 is maintained.
When switch lever 11 is held in the latched open position shown in Fig. 9, its rear portion becomes the state floating from the 5a of pedestal portion.For the open mode that unlocks, can press with finger tip the rear portion of the switch lever 11 floating from the 5a of pedestal portion.While pressing the rear portion of the switch lever 11 floating from the 5a of pedestal portion, the 11b of this engaging protrusion portion is disengaged with respect to the card extension state of connecting hole 5b.When the card extension state of the 11b of engaging protrusion portion of connecting hole 5b is disengaged relatively, switch lever 11 utilizes the indirectly-acting of the acting force of the spring of the Compress Spring 31b of button 31a, keeps fixedly getting back to the closed position of rear side.
Utilize the switch 30 of the 3rd embodiment forming with upper type, for switch main body 31 is locked in to open mode, split pass bar 11 carries out slide and after switch main body 31 is opened, thereby need to carry out push to its front portion, the 11b of engaging protrusion portion card is hung on to the operation in connecting hole 5b to front side.Thus, while utilizing the switch 30 of the 3rd embodiment to lock opening operation, need to, to the differ from one another operation of 2 directions of switch lever 11, therefore, after opening operation, be difficult for directly locking mistakenly the such faulty operation of opening operation.
The first～three embodiment described above can further increase change.For example, example make to fascinate before switch lever 11 and lock the structure of opening operation, but can be also to operate to lock by switch lever is carried out to backward motion the structure of opening.In a word, as long as the switch lever to as a functional unit carries out move operation and blocked structure can be difficult to carry out existing casual faulty operation to different from switching manipulation direction.
In addition, although as electric tool 1 example boring electric drill, also can be applied to the switch of other the electric tool such as milling tool or parting tool.
Claims (3)
1. an electric tool, has:
Tool body portion is provided with the electro-motor as drive source in this tool body portion;
Handle part, this handle part is connected with described tool body portion and controls for operator;
Switch main body, this switch main body is located at described handle part and the electric power loop of described electro-motor is carried out to switch; And
Switch lever, this switch lever carries out switching manipulation to this switch main body,
Described electric tool is characterised in that,
Described switch lever is configured to: can be by operating and described switch main body is remained on to open mode to the both direction at least differing from one another.
2. electric tool according to claim 1, is characterized in that,
Pedestal portion at described handle part is formed with support holes and connecting hole, and wherein, described support holes supports described switch lever along switching manipulation direction, and described connecting hole is used for described switch lever to be held in open position,
Described switch lever possesses the supporting leg that is inserted through described support holes and the engaging protrusion portion that can be sticked in described connecting hole,
Described electric tool is configured to: can make described supporting leg along moving in described support holes along switch lever described in switch direction operation, and, this switch lever is fascinated before the direction different from switching manipulation direction at open position, thereby can make described engaging protrusion portion be sticked in described connecting hole and lock opening operation.
3. electric tool according to claim 1 and 2, is characterized in that,
Described handle part have from the rear portion crossing-above of described tool body portion to below annular, on the rear portion of this annular handle part, possess described switch lever.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013051352A JP6026323B2 (en) | 2013-03-14 | 2013-03-14 | Electric tool |
| JP2013-051352 | 2013-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203843800U true CN203843800U (en) | 2014-09-24 |
Family
ID=51556858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116851.8U Expired - Lifetime CN203843800U (en) | 2013-03-14 | 2014-03-14 | Electric tool |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6026323B2 (en) |
| CN (1) | CN203843800U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180808A (en) * | 2015-05-07 | 2016-12-07 | 苏州宝时得电动工具有限公司 | Hand held electric tool |
| CN112955284A (en) * | 2018-12-12 | 2021-06-11 | 株式会社牧田 | Electric tool |
| USD948978S1 (en) | 2020-03-17 | 2022-04-19 | Milwaukee Electric Tool Corporation | Rotary impact wrench |
| US11511400B2 (en) | 2018-12-10 | 2022-11-29 | Milwaukee Electric Tool Corporation | High torque impact tool |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101634213B1 (en) * | 2015-04-28 | 2016-06-28 | 계양전기 주식회사 | Electric Driving Tool with Dual Switch Knob |
| CN110394481B (en) * | 2019-07-30 | 2020-12-08 | 义乌市根号三科技有限公司 | Electric woodworking drill with drill bit protection function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127610U (en) * | 1984-07-20 | 1986-02-19 | 日立工機株式会社 | portable power tools |
| JPH0732990B2 (en) * | 1986-12-22 | 1995-04-12 | 松下電工株式会社 | Battery powered tools |
| JP2606445Y2 (en) * | 1993-01-27 | 2000-11-06 | 株式会社マキタ | Switch structure of portable power tool |
| JP2001256858A (en) * | 2000-03-09 | 2001-09-21 | Satori Electric Co Ltd | Electric switch |
| JP2002270066A (en) * | 2001-03-13 | 2002-09-20 | Makita Corp | Operating switch of power tool |
-
2013
- 2013-03-14 JP JP2013051352A patent/JP6026323B2/en active Active
-
2014
- 2014-03-14 CN CN201420116851.8U patent/CN203843800U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180808A (en) * | 2015-05-07 | 2016-12-07 | 苏州宝时得电动工具有限公司 | Hand held electric tool |
| CN106180808B (en) * | 2015-05-07 | 2019-02-19 | 苏州宝时得电动工具有限公司 | Hand held electric tool |
| US11511400B2 (en) | 2018-12-10 | 2022-11-29 | Milwaukee Electric Tool Corporation | High torque impact tool |
| US11597061B2 (en) | 2018-12-10 | 2023-03-07 | Milwaukee Electric Tool Corporation | High torque impact tool |
| CN112955284A (en) * | 2018-12-12 | 2021-06-11 | 株式会社牧田 | Electric tool |
| CN112955284B (en) * | 2018-12-12 | 2023-12-29 | 株式会社牧田 | Electric tool |
| USD948978S1 (en) | 2020-03-17 | 2022-04-19 | Milwaukee Electric Tool Corporation | Rotary impact wrench |
| USD971706S1 (en) | 2020-03-17 | 2022-12-06 | Milwaukee Electric Tool Corporation | Rotary impact wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6026323B2 (en) | 2016-11-16 |
| JP2014176913A (en) | 2014-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |