CN102658398A - Electric tool - Google Patents
Electric tool Download PDFInfo
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- CN102658398A CN102658398A CN2012101137074A CN201210113707A CN102658398A CN 102658398 A CN102658398 A CN 102658398A CN 2012101137074 A CN2012101137074 A CN 2012101137074A CN 201210113707 A CN201210113707 A CN 201210113707A CN 102658398 A CN102658398 A CN 102658398A
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Abstract
The invention relates to an electric tool which comprises a casing, an electric motor, a circular saw blade, a bottom plate, a first cutting mode, a second cutting mode and a switching device, wherein, the electric motor is positioned in the casing; the circular saw blade is driven to rotate by the electric motor; the circular saw blade is provided with a rotation axis; the bottom plate supports the casing and acts on the surface of a workpiece to be cut; the casing is pivotally connected with the bottom plate around a pivot axes parallel to the rotation axis; a long slot is formed in the bottom plate, and the circular saw blade can stick into the lower part of the bottom plate through the long slot; the first cutting mode can achieve predetermined cutting depth; the second cutting mode can achieve the up-and-down cutting in a certain range; and the first cutting mode and the second cutting mode can be switched over through the switching device. According to the electric tool disclosed the invention, the push-type cutting function and the plug-type cutting function, which need to be achieved by two types of electric tools respectively, are integrated, so that the work efficiency is improved effectively.
Description
The application is dividing an application of No. 201010017253.1 patent applications for application number, and wherein the applying date of No. 201010017253.1 patent applications is 2010.01.04, and denomination of invention is an electric tool.
Technical field
The present invention relates to a kind of electric tool, relate in particular to a kind of hand held electric tool with circular saw blade.
Background technology
The hand-held electric circular saw of convention in the prior art comprises a rotatable protection guard shield usually, a saw blade, a depth of cut adjusting device and an angle regulator.The depth of cut of electric circular saw is meant that saw blade reaches the length of electric circular saw floor below.Saw blade can pivot up and down with respect to the electric circular saw base plate around an axis that is parallel to its rotation, and can saw blade be locked in a preposition with respect to base plate by means of a clamping device.Thereby the hand-held electric circular saw helps the user and controls saw blade in the vertical and obliquity with respect to workpiece by directly acting on backplanes support on the workpiece usually.
The hand-held electric circular saw of the band protection guard shield of this convention is mainly used in pusher cutting, seldom is used for the plug-in type cutting.A kind of not being designed out with the special annular saw of protecting guard shield is used to realize the plug-in type cutting.Thereby this saw blade of the annular saw of plug-in type cutting of realizing can rotate the adjusting depth of cut up and down about base plate with motor case or gear-box.For the purpose of safety, the saw blade of this plug-in type annular saw cannot be locked in a preposition with respect to base plate, moves but can saw blade be limited in certain scope through stop device.Equally for the purpose of safety, replace the protection guard shield, a spring assembly is loaded on and is used on the plug-in type annular saw saw blade is depressed into the minimum cut depth location.This annular saw of realizing the plug-in type cutting is owing to the depth of cut clamping device on the hand-held electric circular saw that lacks above-mentioned convention makes them not too be suitable for carrying out pusher cutting operation.
Summary of the invention
The purpose of this invention is to provide a kind of electric tool that possesses pusher cutting and plug-in type cutting simultaneously.
In order to achieve this end; Electric tool of the present invention comprises: a casing; A motor that is arranged in casing, a saw blade by the motor-driven rotation, saw blade has a rotation; A support machine casing and acting on by the base plate on cut spare surface; Casing around one be parallel to rotation pivot axis be connected on the base plate, have one on the base plate and can supply said saw blade to extend into the elongate slots of floor below, this electric tool comprises first cut mode that can realize the predetermined cuts degree of depth and makes second cut mode of cutting up and down in the certain limit with realizing.
Above-mentioned electric tool also comprises a switching device shifter that can between first cut mode and second cut mode, switch.
This electric tool that is disclosed among the present invention; Make this electric tool possess pusher cutting function and plug-in type cutting function simultaneously through a switching device shifter that can between first cut mode and second cut mode, switch; Need be integrated on the same electric tool by two kinds of functions that two kinds of electric tools are realized respectively, thereby effectively raise operating efficiency.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Fig. 1 is the stereogram of the electric tool of a kind of first-selected embodiment of the present invention.
Fig. 2 is the stereogram of electric tool under another visual angle among Fig. 1, and wherein main handle portion is removed.
Fig. 3 is the front view of electric tool among Fig. 1, and wherein electric tool is in maximum depth of cut position.
Fig. 4 is the front view of electric tool among Fig. 1, and wherein electric tool is in the minimum cut depth location.
Fig. 5 is an electric tool part-structure sketch map among Fig. 1, and wherein main handle and bottom parts are removed.
Fig. 6 is electric tool base plate and a degree of depth guiding trestle part sketch map among Fig. 1.
Fig. 7 A shows the three-dimensional view of plug-in type cutting mechanism among Fig. 1, and wherein first clutch sheet and second clutch sheet are separated.
Fig. 7 B shows the vertical view of plug-in type cutting mechanism among Fig. 7 A.
Fig. 7 C shows among Fig. 7 B the plug-in type cutting mechanism along the cutaway view of C-C direction.
Fig. 8 shows the stereogram of electric tool among Fig. 1, and wherein the plug-in type cutting mechanism is by explosion.
Fig. 9 shows the stereogram under another visual angle of electric tool among Fig. 1, and wherein the plug-in type cutting mechanism is by explosion.
Figure 10 is that the electric tool shown in Fig. 1 is in the view that can make inclined cut under the pusher cut mode.
Figure 11 A is the explosive view of plug-in type cutting mechanism in the another embodiment of the present invention.
Figure 11 B is the installation diagram of plug-in type cutting mechanism among Figure 11 A.
Figure 11 C is along the echelon sectional view of A-A direction among Figure 11 B.
Figure 12 is the diagram of the improvement project on the electric tool of first-selected embodiment in Fig. 1, and wherein lower shield can be opened automatically.
Figure 13 is the diagram of the another improvement project on the electric tool of first-selected embodiment in Fig. 1, and wherein main handle has first grip position and second grip position.
Figure 14 A-B is the diagram of the another improvement project on the electric tool of first-selected embodiment in Fig. 1, and wherein base plate has gathering sill and roller devices.
The specific embodiment
Fig. 1 and Fig. 2 show the electric tool 10 in a kind of first-selected embodiment among the present invention, comprise casing 11, are arranged in the motor (not shown) of casing 11, and by the saw blade 12 of motor-driven rotation.Saw blade 12 has a rotation 121, and it can rotate around this rotation 121.A secure shroud 122 covers the top of saw blade 12; A rotating lower shield 123 covers the bottom of saw blade 12, and action bars 124 is used for operating lower shield 123 can move it between a position that exposes saw blade 12 and a position that covers saw blade 12.Electric tool 10 also comprises a base plate 13, and base plate 13 supports casing 11 mounted thereto and acts on by the surface of cut spare.Casing 11 pivot be connected on the base plate 13 can around one be parallel to rotation 121 axis 14 rotate up and down.Have an elongate slots 15 on the base plate 13, saw blade 12 can extend into the below of base plate 13 through this elongate slots 15.Casing 11 can also be around an axis 16 perpendicular to rotation 121 rotation that tilts; Confirm the angle that casings 11 turn over about base plate 13 through an angle bracket 17 that includes scale indication, thereby locking knob 18 is fixed on this predetermined angular position with casing 11 and carries out the angle of inclination cutting after casing 11 forwards predetermined angular position to.Mostly have this inclined cut function on the hand-held electric circular saw of convention, and realize that the structure of this function is also known by those skilled in the art, just repeat no more here.Electric tool 10 also includes main handle 19 and supplies user's handling with auxiliary handle 20.
In conjunction with Fig. 3-6, electric tool 10 also includes a degree of depth guiding trestle 40, and this degree of depth guiding trestle 40 is pivoted on the base plate 13 and can be with casing 11 around axis 16 rotation that tilts.Including first long and narrow track 51 and second track, 61, the first tracks 51 and second track 61 on the degree of depth guiding trestle 40 is a round part and has common center.A clamping device 52 passes main handle 19 and is connected on the secure shroud 122 of motor one side, and certainly in other embodiments, clamping device 52 also can be directly connected on the secure shroud of motor one side.The bolt 522 that clamping device 52 comprises knob 521 and partly is arranged in first track 51; Bolt 522 1 ends link to each other with knob 521; The other end of bolt 522 has a head 523, and head 523 is fixedly connected on the secure shroud 122, when secure shroud 122 and handle 19 together when axis 14 upwards rotates; Correspondingly, bolt 522 part that is arranged in first track 51 is slided at first track 51.The degree of depth guiding trestle 40 that includes first track 51 has constituted a depth of cut governor motion jointly with clamping device 52, thereby this depth of cut governor motion can be locked at the push type cutting that predetermined depth of cut position is implemented in this depth location with casing 11 about base plate 13.Be positioned on the secure shroud 122 of motor one side and be printed on depth of cut scale 22, align the setting that realizes depth of cut with definite numeral on the depth of cut scale 22 through the mark 23 that will be positioned on the degree of depth guiding trestle 40.The step that depth of cut is set is: at first turning knob 521 unclamps casing 11 from degree of depth guiding trestle 40; Operating handle 19 drive casings 11 rotate up and down around axis 14 then; Corresponding bolts 522 is arranged in the part of first track 51 along first track 51 and slip therein; Observe scale; When casing 11 turns to the depth of cut position of expectation, opposite spin knob 521 with casing 11 fixing and lockings to degree of depth guiding trestle 40, thereby casing 11 is fixed on the depth of cut position of an expectation with respect to base plate 13.Mostly possess this depth of cut governor motion on the hand-held electric circular saw of the band protection guard shield of convention, this structure is also known by those skilled in the art, just repeats no more here.Fig. 3 shows the sketch map that electric tool is in maximum depth of cut position.Fig. 4 shows the sketch map that electric tool is in the minimum cut depth location.
Than the hand-held electric circular saw of the band of convention protection guard shield, electric tool 10 also comprises 61, one stop parts 62 that can in this second track 61, slide of second track that are positioned at equally on the degree of depth guiding trestle 40, and stop part 62 can be made up of a bolt.An operating handle 63 links to each other with stop part 62.The degree of depth guiding trestle 40 that includes second track 61 has constituted a backstop depth adjustment mechanism together with stop part 62 and operating handle 63.Thereby this backstop depth adjustment mechanism can allow casing 11 to rotate up and down in certain depth bounds with respect to base plate 13 and realize the plug-in type cutting.On degree of depth guiding trestle 40, be printed on degree of depth indicating graduation 24 equally, the indicating device 631 through will operating stop part 63 annexes aligns the setting that realizes the backstop degree of depth with the numeral on the degree of depth indicating graduation 24.The step that the backstop degree of depth is set is: rotary control handle 63 unclamps stop part 62 from second track 61; Along the depth location of second track, 61 slip stop parts 62 to expectation; Reverse rotation operating handle 63 is locked at stop part 62 on second track 61.If this moment, electric tool 10 was in a state that can carry out the plug-in type cutting, then electric tool 10 is done plug-in type cutting up and down in this depth bounds.
Those of ordinary skill in the art can expect easily; Substitute degree of depth guiding trestle that above-mentioned 40, one of degree of depth guiding trestles that comprise first track 51 and second track 61 simultaneously only include a track and also can realize pusher cutting and plug-in type cutting function up and down simultaneously.Such as the second above-mentioned track 61 of cancellation; Stop part 62 is slidingly arranged in first track 51; When needs are implemented pusher cutting; Said stop part 62 is placed the below of first track 51, thereby operation is arranged in the clamping device 52 of first track 51 is fixed on casing 11 expectation with respect to base plate 13 depth of cut position equally to realize pusher cutting then; When needs were implemented plug-in type cutting up and down, operation clamping device 52 unclamped casing 11 from base plate 13, thereby and operating handle 63 the depth location place that stop part 62 is locked to an expectation on first track can be realized the plug-in type cutting function.
This electric tool 10 also comprises a plug-in type cutting mechanism 70 that can make saw blade 12 in the certain depth scope, can do to cut up and down, and this plug-in type cutting mechanism 70 is fixed on the base plate 13 through bolt 71.An arrangement of clutch 80 is assemblied between casing 11 and this plug-in type cutting mechanism 70, switches thereby can plug-in type cutting mechanism 70 is connected with casing 11 or separate to be implemented between above-mentioned plug-in type cut mode and pusher cut mode through this arrangement of clutch 80.
Refer now to Fig. 7-9; Arrangement of clutch 80 comprises a first clutch sheet 81 and a second clutch sheet 82; First clutch sheet 81 links to each other with casing 11 through screw 83 and pivotal axis 84, and pivotal axis 84 inserts and is connected on the pivot brackets 841 that is installed on the base plate, in other embodiments; First clutch sheet 81 can also directly be formed on the casing 11, and second clutch sheet 82 is connected with plug-in type cutting mechanism 70.This plug-in type cutting mechanism 70 comprises 72, the axles 73 that second clutch sheet 82 and shell 72 are serially connected of shell that are connected with second clutch sheet 82 next-door neighbours, and the spring 74 that is arranged in second clutch sheet 82 and shell 72.Second clutch sheet 82 is connected to shell 72 through the connecting rod on it 85 and is used for carrying out spacing to spring 74.Axle 73 ends away from second clutch sheet 82 stretch out outside the shell 72, and a knob 75 is loaded on this end.Near 75, one through holes of knob 76 form with axle 73 on, stop pin 77 fixedly assigns in the through hole 76 and stretch out outside the through hole 76 at its two ends.
In order to realize the plug-in type cutting, need plug-in type cutting mechanism 70 is connected with casing 11.At first must electric tool 10 be moved to the minimum cut depth location shown in Fig. 4, at this minimum cut depth location, first clutch sheet 81 can cooperate aligning each other with second clutch sheet 82; After first clutch sheet 81 and second clutch sheet 82 cooperated aligning, turning knob 75 made stop pin 77 and the slit 78 that is positioned on the plug-in type cutting mechanism shell 72 align; Promoting knob 75 left makes stop pin 77 pass slit 78; Thereby at last knob 75 is turned over 90 degree plug-in type cutting mechanism 70 is locked at first clutch sheet 81, because first clutch sheet 81 is to be fixedly connected with casing 11, so plug-in type cutting mechanism 70 is fixedly attached on the casing 11.When plug-in type cutting mechanism 70 through first clutch sheet 81 and second clutch sheet 82 with after casing 11 links to each other, electric tool 10 just is switched to the plug-in type cut mode at this moment, the user can carry out plug-in type cutting under this pattern.Under this plug-in type cut mode; Because plug-in type cutting mechanism 70 is connected with casing 11; The elastic force that is arranged in the spring 74 of plug-in type cutting mechanism 70 acts on casing 11; The elastic force that the user overcomes spring 74 is pressed electric tool 10 downwards saw blade 12 is inserted by cut spare, and corresponding first clutch sheet 81 rotates and drives the second clutch sheet 82 that engages together around pivotal axis 84 and clockwise rotates, and the shell 72 of plug-in type cutting mechanism 70 is fixed; When electric tool 10 moves down when running into stop part 62; The user stops to apply active force downwards, and the spring 74 that is installed in second clutch sheet 82 and the plug-in type cutting mechanism 70 is returned to the initial cut depth location with electric tool 10 automatically, and the initial cut depth location is the minimum cut depth location shown in Fig. 4 in the present embodiment.Behind above-mentioned backstop depth adjustment mechanism what a backstop depth location of setting, the user just can carry out plug-in type cutting up and down repeatedly in the depth bounds between minimum cut depth location and the stop part 62.Those of ordinary skill in the art can expect easily that also first clutch sheet 81 and second clutch sheet 82 can cooperate the position of aligning to be not limited to above-mentioned minimum cut depth location place each other; Also can be in other selected positions; Such as the maximum depth of cut position shown in Fig. 3, or the position between maximum depth of cut position and the minimum cut depth location.
Through can plug-in type cutting mechanism 70 being separated from casing 11 with the opposite step of step of above-mentioned realization locking.At first knob 75 being turned over 90 degree makes stop pin 77 and slit 78 align; Spurring knob 75 to the right drives axle 73 and moves right accordingly and then drive stop pin 77 and pass slit 78; The active force that is applied to this moment on first clutch sheet 81 and the second clutch sheet 82 disappears, thereby separately first clutch sheet 81 separates plug-in type cutting mechanism 70 with second clutch sheet 82 from casing 11.When plug-in type cutting mechanism 70 and casing 11 are in disengaged position,, turning knob 75 can prevent effectively on the outer face 79 of shell 72 of plug-in type cutting mechanism 70 that first clutch sheet 81 and second clutch sheet 82 accidental engagement are in the same place thereby making stop pin 77 not align and be resisted against with slit 78.
After plug-in type cutting mechanism 70 and casing 11 break away from; Electric tool 10 just is switched under the pusher cut mode; Under this pattern; The elastic force of spring 74 does not act on casing 11, through above-mentioned depth of cut governor motion a certain depth of cut position is set, and the user just can carry out the push type cutting in this depth of cut position.In the present invention, above-described inclined cut function also only could realize under pusher cut mode: thus plug-in type cutting mechanism 70 separate with casing 11 make first clutch sheet 81 around have the space to produce (with reference to Figure 10); Unclamp knob 18, electric tool 10 is fixed on this predetermined angular position carries out the angle of inclination cutting thereby forward after the predetermined angular position electric tool 10 to locking knob 18.
The secure shroud 122 that covers saw blade 12 tops among the present invention can directly form with casing 11 on, be the part of casing 11, can be used as an individual member and be fixedly connected with casing 11.When secure shroud 122 when independently member covers the top of saw blade 12 as, plug-in type cutting mechanism 70 is fixedly attached on the secure shroud 122 through arrangement of clutch 80.
Those of ordinary skill in the art it will also be appreciated that plug-in type cutting mechanism 70 also is not limited to be installed on the base plate 13; Plug-in type cutting mechanism 70 can be installed in or directly be formed on the casing 11 with second clutch sheet 82; First clutch sheet 81 is fixedly mounted on the base plate 13; Like this when first clutch sheet 81 aim at second clutch sheet 82 lock together after, electric tool just is switched under the plug-in type cut mode.
Figure 11 A-C shows another embodiment of plug-in type cutting mechanism among the present invention.This plug-in type cutting mechanism 70 ' comprises a shell 72 ' that is connected with second clutch sheet 82 next-door neighbours; Bolt 73 ' and nut 100 that second clutch sheet 82 and shell 72 ' are fixed together, and the spring 74 ' that is arranged in second clutch sheet 82 and shell 72 '.Backstop bolt 85 ' passes second clutch sheet 82 and is installed to shell 72 ' and is used on the indicating dial 101 carrying out spacing to spring 74 '.Base plate 13 includes the elongate slots 104 of an installation plug-in type cutting mechanism 70 '; Plug-in type cutting mechanism 70 ' is put into elongate slots 104 from the top of base plate 13; Again a base cover 102 is fixed to the below of plug-in type cutting mechanism 70 ' through screw 103 from the below of base plate 13, thereby elongate slots 104 is installed to plug-in type cutting mechanism 70 ' on the base plate 13 just being sandwiched in perpendicular to two long limits on the saw blade direction in the space that forms between base cover 102 and the plug-in type cutting mechanism 70 '.Plug-in type cutting mechanism 70 ' is perpendicular to mobile being limited on base plate 13 directions, but on the direction that is parallel to 104 two long limits of elongate slots, can be subjected to displacement.Also being formed with 105, one springs 106 of groove between the lower end of plug-in type cutting mechanism 70 ' and the base cover 102 is placed between the convexity 107 on groove 105 and the base plate 13.On the end face 79 ' of screw cover 77 ' dress and plug-in type cutting mechanism 70 '.Match with this plug-in type cutting mechanism 70 '; Also comprise a hold down gag 200 in this embodiment and be used for good first clutch sheet aligned with each other 81 and second clutch sheet 82 are pressed together, be compacted on the electric tool casing and can carry out the plug-in type cutting operation thereby also be about to plug-in type cutting mechanism 70 '.This hold down gag 200 comprises a locking bearing 201; A locking pin 202 that assigns in the locking bearing 201; Holding screw 203 passes locking bearing 201 and is used to compress 202, one set levers 204 of locking pin and is installed on the locking pin 202 and can rotates around locking pin 202.One end 205 of set lever 204 is by the staff direct control, and the screw cover 77 ' on the other end 206 has a cam face and is installed in plug-in type cutting mechanism 70 ' end face 79 ' contacts.Hold down gag 200 is packed into from the top of base plate 13 elongate slots 104, thereby the below that again a locking flap 207 is fixed to hold down gag 200 through screw 208 from the below of base plate 13 is fixedly installed to hold down gag 200 elongate slots 104 of base plate 13.End 205 rotation lock handles through set lever 204; Has cam surface than long radius when contacting when the other end 206 with screw cover 77 '; Second clutch sheet 82 moves towards first clutch sheet 81 with plug-in type cutting mechanism 70 ' together, thereby first clutch sheet 82 is fixedly attached to plug-in type cutting mechanism 70 ' on the casing with first clutch sheet 81 compacted linking together; When the cam surface with small radii of the other end 206 contacts with screw cover 77 '; The elastic force of spring 106 orders about second clutch sheet 82 and moves towards the direction away from first clutch sheet 81 together with plug-in type cutting mechanism 70 ', thereby first clutch sheet 81 and second clutch sheet were opened and made plug-in type cutting mechanism 70 ' separate from casing in 82 minutes.Through this set lever 204 with cam face can Rapid Realization plug-in type cutting mechanism and electric tool between connection with separate, than above-mentioned knob locking mode, it is more comfortable, quick to operate.
Those of ordinary skill in the art also can expect adopting other some locking devices to realize among the present invention the plug-in type cutting mechanism is connected on the casing or from casing breaking away from.Locking device also is not limited to frame for movement, also can be some other device of realizing locking function through modes such as magnetic force.
With reference to Figure 12, preferred, can also increase a linkage 90 on the electric tool 10 in above-mentioned first-selected embodiment and be used under the plug-in type cut mode, opening automatically lower shield 123.Lower shield 123 rotatable being installed on the saw blade axis 125 of saw blade 12, linkage 90 1 ends 91 are connected with lower shield 123, and the other end 92 is connected on the pivot brackets 841.When casing 11, saw blade 12 together when pivotal axis 84 rotates, thereby linkage 90 pulling lower shields 123 counter-rotation realize opening automatically of lower shields 123.Preferably; Those skilled in the art it will also be appreciated that through a link gear linkage 90 and plug-in type cutting mechanism 70 is associated; When under the plug-in type cut mode; When plug-in type cutting mechanism 70 linked to each other with casing 11, linkage 90 can spur the automatic opening function that lower shield 123 is realized lower shield 123; When under pusher cut mode, when plug-in type cutting mechanism 70 was separated with casing 11, linkage 90 did not act on lower shield 123, and lower shield 123 can not be opened automatically.
With reference to Figure 13; Preferably; Main handle 19 structures that are different from the electric tool 10 in the above-mentioned first-selected embodiment; This handle 19 ' comprises one first grip portions 191 and one second grip portions 192, makes that operation is more comfortable thereby the user can select to grip different grip portions according to different cut mode.Certainly, those of ordinary skill in the art it will also be appreciated that a rotating handle is set that the user can select handle is arranged on different positions and then implements cutting operation as required on casing.
With reference to figure 14A-B, preferred, increased a gathering sill 95 on the base plate 13 of the electric tool 10 in above-mentioned first-selected embodiment, through the cooperation of gathering sill 95 and guider can be favourable the linearity of raising electric tool cutting.Those of ordinary skill in the art it will also be appreciated that increases pulley gear 96 on base plate 13, thereby is convenient under the plug-in type cut mode, push ahead electric tool 10.
The specific embodiment described above is just set forth design of the present invention and principle, does not really want content of the present invention is limited.Those of ordinary skill in the art can recognize that except the specific embodiment of above-mentioned first-selection, the present invention also has much other embodiments that substitute or that revise, and these embodiments of perhaps revising that substitute are still within scope of the present invention.Protection scope of the present invention is confirmed by claim.
Claims (6)
1. electric tool; Comprise: a casing; A motor that is arranged in said casing, a saw blade by said motor-driven rotation, said saw blade has a rotation; One is supported said casing and acts on by the base plate on cut spare surface; Said casing around one be parallel to said rotation pivot axis be connected on the said base plate, have one on the said base plate and can supply said saw blade to extend into the elongate slots of said floor below, it is characterized in that: described electric tool comprises first cut mode that can realize the predetermined cuts degree of depth and makes second cut mode of cutting up and down in the certain limit with realizing.
2. the electric tool described in claim 1 is characterized in that, described electric tool also comprises a plug-in type mechanism that can make said saw blade do up and down cutting, and described plug-in type mechanism comprises a flexible member.
3. the electric tool described in claim 2 is characterized in that, when said electric tool in first cut mode following time, the elastic force of said flexible member is not used in said casing; When said electric tool in second cut mode following time, the elastic force of said flexible member is used for said casing.
4. the electric tool described in claim 3 is characterized in that, described electric tool also comprises a movable shield, when said electric tool in second cut mode following time, said movable shield can be opened under the effect of a linkage automatically.
5. like the electric tool described among the claim 1-4 each, it is characterized in that described electric tool also comprises a switching device shifter that can between first cut mode and second cut mode, switch.
6. the electric tool described in claim 5 is characterized in that, described switching device shifter is a kind of arrangement of clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113707.4A CN102658398B (en) | 2010-01-04 | 2010-01-04 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210113707.4A CN102658398B (en) | 2010-01-04 | 2010-01-04 | Electric tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010017253.1A Division CN102114555B (en) | 2010-01-04 | 2010-01-04 | Electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658398A true CN102658398A (en) | 2012-09-12 |
| CN102658398B CN102658398B (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210113707.4A Expired - Fee Related CN102658398B (en) | 2010-01-04 | 2010-01-04 | Electric tool |
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| Country | Link |
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| CN (1) | CN102658398B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552872A (en) * | 2016-07-01 | 2018-01-09 | 苏州宝时得电动工具有限公司 | Cutting tool |
| CN109249084A (en) * | 2017-07-13 | 2019-01-22 | 苏州宝时得电动工具有限公司 | Shield opening mechanism and electric tool |
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| US5623860A (en) * | 1994-12-15 | 1997-04-29 | Emerson Electric Co. | Adjustable/bypassable bevel stop for compound miter saw |
| CN1191166A (en) * | 1997-02-20 | 1998-08-26 | 布莱克-德克尔公司 | Bevel locking system for sliding compound miter saw |
| CN101049644A (en) * | 2006-04-05 | 2007-10-10 | 百得有限公司 | Turnover saw |
| CN201061835Y (en) * | 2007-02-16 | 2008-05-21 | 南京德朔实业有限公司 | Miter saw |
| CN201161309Y (en) * | 2008-01-09 | 2008-12-10 | 王长江 | Mode conversion device for composite saw |
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- 2010-01-04 CN CN201210113707.4A patent/CN102658398B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623860A (en) * | 1994-12-15 | 1997-04-29 | Emerson Electric Co. | Adjustable/bypassable bevel stop for compound miter saw |
| CN1191166A (en) * | 1997-02-20 | 1998-08-26 | 布莱克-德克尔公司 | Bevel locking system for sliding compound miter saw |
| CN101049644A (en) * | 2006-04-05 | 2007-10-10 | 百得有限公司 | Turnover saw |
| CN201061835Y (en) * | 2007-02-16 | 2008-05-21 | 南京德朔实业有限公司 | Miter saw |
| CN201161309Y (en) * | 2008-01-09 | 2008-12-10 | 王长江 | Mode conversion device for composite saw |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552872A (en) * | 2016-07-01 | 2018-01-09 | 苏州宝时得电动工具有限公司 | Cutting tool |
| CN107552872B (en) * | 2016-07-01 | 2023-08-11 | 苏州宝时得电动工具有限公司 | Cutting tool |
| CN109249084A (en) * | 2017-07-13 | 2019-01-22 | 苏州宝时得电动工具有限公司 | Shield opening mechanism and electric tool |
| CN109249084B (en) * | 2017-07-13 | 2019-08-27 | 苏州宝时得电动工具有限公司 | Shield opening mechanism and electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102658398B (en) | 2014-12-10 |
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