CN2258809Y - Universal electric tool - Google Patents

Abstract

The utility model discloses a universal electric tool which can process woods, metal profile, stones and walling materials in various modes and is mainly composed of a host machine (an electric planer), a circular saw, a drill chuck, a square chisel implement, a scroll saw, a wood line implement, a carver, a hollow drill, a sharpener, etc; two cup head pins which can extend via the pressure of a spring are arranged on a motive power output shaft end of the host machine, and motive power are respectively transferred to each accessory and can rapidly and conveniently assemble and disassemble the accessory; a locking device is arranged on a casing of the accessory to enhance the connection reliability of the accessory and a machine body of the host machine, not only the tool is held in hand to work, but also the tool can be fixed on a supporting frame to carry out desktop work, and all tools can be carried in one suitcase.

Description

Omnipotent electric tool

The utility model belongs to the electric tool class, is mainly used in materials such as metal, timber, stone material, plastics pottery, body of wall are carried out processing and fabricating.

At present, the electric tool of the homemade or import of selling on the market, two kinds of fixing desk-top and hand-held job types are arranged, desk-top have an abrasive wheel cutting machine, the angle cast-cutting saw, hand the electric hand drill that has of operation, electric hand saw, electric hand planer, makita 4100NH, sweep-saw, electric angle grinder, percussion drill, engraving machine etc., processing method is that the motionless hand tool of workpiece is processed operation, have light labour-saving characteristics, shortcoming is that every kind of instrument has only simple function, the scope of application is little, " omnipotent carpenter's unit mahine " of Chinese patent application numbers 88216566.6 provides a kind of scheme, to saw, dig, bore, cutter, sharpening rolls into one, and volume is little, is convenient for carrying, shortcoming is only to be used for hand tool timber is processed, in addition, the connecting mode of this machine host and each annex is a friction self-locking, and is difficult to grasp the self-locking dynamics aborning, tension difficulty when dismantling with hand, cross pine then machine when running up, be easy to get loose and cause danger.The above electric tool is complicated for the variation of rapidoprint in the decorative craft, operating condition, and inapplicable part is all arranged.

Task of the present utility model is: provide a kind of portable, can with several different methods to multiple material process and make, can the handheld tool operation again can the desk-top operation of setting tool, multiple functional electric tool, and making conversion quick and convenient between various functions, the service behaviour under the various operating conditions can both be reliable and stable.

For solving above-mentioned task, the method that the utility model adopts is: the input of power output shaft in the main frame body has a radial direction through hole, spring is housed in the hole, and both ends of the spring top has two round ends to sell directly to households, but the cup head of direct selling partly is inserted in the keyway of unidirectional delivery moment of torsion of gear 10.The output of power output shaft stretches out from main frame body side, and axle head also has a radial direction through hole, and fixed cover is housed in the hole, and spring is housed in the middle of the hole, and there are two cuphead pilotages on the both ends of the spring top.Interior drill bushing and outer drill bushing are enclosed within outside the through hole of power output shaft output successively, two radial direction through hole are arranged on the interior drill bushing, the cup head part of cuphead pilotage and the cylinder shank of cambered surface pin all are inserted in the through hole, cup head contacts with the shank baseplane, outer drill bushing inner hole wall has the radially crescent of symmetrical distribution, the cambered surface lid of cambered surface pin contacts with the bottom surface of crescent, and the tapered section of interior drill bushing is enclosed within the internal taper hole of drill chuck.The active section of side cutter head is the tubulose of interior round foreign side, and one section gathering sill is arranged on the gripping section, connects with side's cutter housing by screw, and the gripping section breech face has several end teeth, contacts with the end tooth of being opened on three clamp jaw end faces of drill chuck.Graver is held in the drill chuck by elastic chuck, flexible axle and flexible axle spindle clamp, and elastic chuck connects with the engraving handle by bearing, and the flexible axle handle connects with fixed cover and side's cutter seat by bearing, and Hose Jacket is enclosed within on the flexible axle.The internal taper hole of hollow boring bit connects with the outer cone of hollow sleeve, hollow sleeve is contained in drill chuck to be had outside the cylinder of keyhole, three through holes are arranged on the hollow sleeve, a steel ball is respectively arranged in the hole, and the aperture of close interior circle one end of through hole is less than the diameter of steel ball, and the hollow sleeve cylindrical is with overcoat, spring is contained between hollow sleeve and the overcoat, there is back-up ring in the spring exit, and the overcoat tail end has one section internal taper hole, and the aperture side of hollow sleeve tail end embedding steel ball has a collar.Saw put in gland was connected in saw blade by housing screw, and interior saw cover inner hole wall has the axial semicircle kerve of symmetrical distribution, and cuphead pilotage is inserted in the groove.Annular saw housing, sweep-saw housing and side's cutter seat housing with the corresponding position of big cancelling connection holes on, locking device is housed respectively.Cutter holder is identical with the drill chuck modular construction with the coupling part of power output shaft, and the wood strip cutter is installed on the folder cutter part of cutter holder.Index dial is contained on the suitcase outerplanar, interior index dial is fixed on the casing, there is tooth at outer index dial edge, with a gears engaged, gear shaft one end reaches outside the suitcase, and axle head is equipped with adjusting knob, also be equipped with on the outer index dial by iron, pressing plate, trip bolt, briquetting, by on the iron stop screw is arranged, slide in two sections deep-slotted chip breakers of stop screw on suitcase casing plane, and by the nut check that is positioned at interior; Carrier base is housed at grade, and an end and the carrier base of elbow support are hinged, and the other end injects in the bracket holes of main frame body front end face, uses screw lock, and a plurality of dog screws are arranged on the carrier base.

The utility model has the advantages that: can carry out surface planing to material, bore circular hole, cut a hole square hole, saw straight line, saw a processing such as curve, cutting angle, plane curved surface, sharpening cutter, by single hand tool or on casing fixedly facility all can carry out operation, owing to having adopted, the point of attachment at power output shaft and parts is with flexible cuphead pilotage device, parts only can be mounted and dismounted quickly and easily with hand, avoided stuck phenomenon; And making facility run up, produce under the operating condition of bigger vibration at the locking device that is provided with on the part case, institute's coupling components does not break away from the big cancelling of main frame, makes service behaviour more reliable and more stable.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Fig. 1 is the structural principle schematic diagram of main frame

Fig. 2 is a kind of structural principle schematic diagram of drill chuck parts

The structural principle schematic diagram of Fig. 3 side of being cutter device parts

Fig. 4 is the structural principle schematic diagram of bruin parts

Fig. 5 is the structural principle schematic diagram of core drill parts

Fig. 6 is an annular saw modular construction principle schematic

Fig. 7 is an annular saw parts locking device structure principle schematic

Fig. 8 is sweep-saw parts operation principle and locking device schematic diagram

Fig. 9 is a wood strip device parts operation principle schematic diagram

Figure 10 is a suitcase outer attachment installation site schematic diagram

Figure 11 is angle cutting processing system installation site and fundamental diagram

Figure 12 is a U molding sand wheel scheme of installation on the folder cutter hub

Figure 13 is gear 10 inner hole key slot cross sectional shape figure

In main machine structure schematic diagram shown in Figure 1, the output of power output shaft stretches out from the A face of main frame body 2, axle head has a radial direction through hole, through hole one end is equipped with fixed cover 5, and the other end is the stepped hole of diameter less than through hole, and compression spring 3 is housed in the through hole, there are two cuphead pilotages 4 on the both ends of the spring top, the planar ends of cuphead pilotage 4 has one section boss rank greater than the shank diameter, slides in through hole in the boss rank, and the round end shank slides in the stepped hole of the fixed cover 5 and the other end.The cup head of cuphead pilotage 4 partly exposes the outer surface of power output shaft 1, has the function of transmitting moment of torsion.There are folder cutter hub 6 and knife clip 7 in the power output shaft stage casing, can with screw cutter blade or U type grinding wheel be clamped (Figure 12) respectively.The input of power output shaft 1 in body 2 also has a radial direction through hole, compression spring 8 is housed in the hole, the both ends of the spring top has two round ends to sell 9 directly to households, gear 10 is enclosed within outside the through hole, but keyway (Figure 13) at the bottom of the semicircle of the unidirectional delivery moment of torsion that two symmetrical distributions are arranged on the bore wall, the cup head of round end direct selling 9 is inserted in the keyway.Gear 10 be engaged gear for often nibbling.When another gear of power output shaft 1 input broke away from engagement, gear 10 was sold 9 directly to households by round end moment of torsion is passed to power output shaft 1, and this moment, output speed was a low speed; When out-of-gear gear recovered to mesh again, this gear passed to power output shaft 1 with moment of torsion, and output speed is at a high speed; At this moment gear 10 still is in engagement, and with original rotational speed, because the rotating speed of power output shaft 1 now is higher than the rotating speed of gear 10, the through hole of power output shaft 1 input is constantly compressed in the round end direct selling 9 of exposing the axle surface by the straightway of gear 10 inner hole key slots, therefore in this case, power output shaft 1 is with respect to gear 10 idle running.At body 2A face three axis with power output shaft 1 to be arranged be the center of circle, along the big cancelling 11 of the dried shaped sections of same circle distribution, chamfering on the big cancelling block is can enter big cancelling hole smoothly in order to install, and annular saw housing 54, sweep-saw housing 84, side's cutter seat 24 housings connect with body 2 by big cancelling 11 respectively.Body 2B face has a deep hole, and side handle 12 is contained in the hole, compress with screw 13, bore, cutter and core drill add man-hour, hand-holdable side handle carries out operation.There is a back handle hole body 2 back, and defensive position is inserted in 81 in the hole and locks with screw 82, and hand-held defensive position is carried out operation to 81 when carrying out the angle cutting.There are two bracket holes 14 body 2 fronts, and support 77 is installed in the hole and locks with screw 15, and support 77 can be fixed on the suitcase upper surface with body 2 and carry out desk-top operation.

Also can as shown in Figure 2 another kind of scheme be arranged, the shank that 5, two cuphead pilotages 4 of fixed cover all are housed at the through hole two ends of power output shaft 1 output all slides in fixed cover 5, slides in through hole in the boss rank of shank baseplane.

Fig. 2 is the structure principle chart of drill chuck parts.In the output of power output shaft 1 is enclosed within the endoporus of drill bushing 17 cylindrical sections, the cylindrical section of interior drill bushing 17 overlaps in the endoporus of drill bushing 18 outside; Spring steel ring 83 is linked together inside and outside drill bushing and keeps relative position.With the corresponding position of power output shaft 1 radial direction through hole on, interior drill bushing 17 also has a radial direction through hole, the through hole two ends have concave station rank, two planes respectively, the area of step is greater than the area of cambered surface pin 19 cambered surfaces lids, the degree of depth of step is greater than the thickness of cambered surface lid; The radially crescent that symmetrical distribution is arranged on outer drill bushing 18 inner hole walls, the width of crescent is greater than the diameter of cambered surface lid; The cup head part of cuphead pilotage 4 is inserted in the radial direction through hole of interior drill bushing 17 together with the cylinder shank of cambered surface pin, under the elastic force effect of spring 3, the cup head of cuphead pilotage contacts with the baseplane of cambered surface pin 19 all the time, the bottom surface of crescent contacts on the cambered surface of cambered surface pin lid and outer drill bushing 18 inner hole walls, outside cambered surface pin 19 is in during the extreme higher position of drill bushing 18 endoporus crescents, cuphead pilotage 4 is given interior drill bushing 17 transmission of power, and interior drill bushing is given drill chuck 20 transmission of power by the leading portion cone; During dismounting drill chuck parts, only with hand gently revolves outer drill bushing 18, force cambered surface pin 19 in crescent, to slide to low by height, until breaking away from crescent, at this moment, in the concave station rank, plane of drill bushing 17, the baseplane compressing cuphead pilotage 4 of cambered surface pin entered in the through hole of power output shaft 1 output in the cambered surface lid entered, outwards spur the drill chuck parts gently, can pull down.

The structure principle chart of Fig. 3 side of being cutter device parts.Side cutter 21 has a through hole along the axle center, is enclosed within outside the drill bit 22, and the active section of side's cutter head is the tubulose of interior round foreign side, and slightly shorter than drill bit 22, the tip has cutting edge; The gripping section of side cutter head is a cylindrical shape, with wear-resistant sleeve 25 sliding fits and together in the preceding hole of the side of being contained in cutter 24 housing; One gathering sill is arranged on the gripping section, and screw 23 withstands in the gathering sill but need not tighten, and the side of making cutter can move axially; The breech face of gripping section has several end teeth, contacts with the end tooth of being opened on three clamp jaw end faces on the drill chuck 20.During the drill chuck rotation, compress side handle 12, force both sides end tooth contact promptly to produce axial impact force, drill bit gets out circular hole earlier, and side's cutter head relies on impulsive force and pressure to downcut four jiaos of excess stocks and forms square hole.Side's cutter seat 24 is the columned housing of ladder, cover on drill chuck 20 outsides, there are three connection holes the housing baseplane, shape is that a smaller part circular hole is arranged in the same side of each big hole, big bore dia is greater than the big lip cap of big cancelling 11, hole diameter is greater than the shank of big cancelling 11, and the center of circle of big small sircle hole is all on same circumference.After big cancelling 11 entered housing by macropore, light transcapsidation body made big cancelling body enter the semicircle aperture, and the shallow nest around the inner walls aperture is for shank can be put in place as early as possible.On the plane locking device is being installed on the step at side cutter seat 24 housings and the corresponding position of cancelling connection holes greatly, rotation lock bar 38, make and be through pin horizontal on the check lock lever 26 alignment guides and overlap guide groove on 27 inner hole walls, under the effect of spring 28, pin 26 glides along guide groove by stopping the plane, drive the outside that check lock lever 38 falls to big cancelling 11 simultaneously, the shank of big cancelling be fixed in the semicircle aperture, make its can be when work because impact shock and not deviating from automatically.Gland 29 connects with side's cutter seat 24 by screw 30.During dismounting, pull up and rotation lock bar 38, make 26 of pins on the stop plane of fairlead 27,24 housing is cut a hole by rotations side again, makes housing break away from big cancelling 11 and gets final product.

Fig. 4 is the structure principle chart of bruin parts.Graver 31 is clipped in the elastic chuck 33, with 32 lockings of inner cone nut, elastic chuck 33 is contained in bearing 34 inner rings, and bearing outer ring is contained in engraving handle 35 endoporus, the elastic chuck tail end connects with flexible axle 36, use screw lock, the flexible axle other end is inserted in the endoporus of flexible axle handle 41, uses screw lock, the flexible axle spindle clamp is in drill chuck 20, flexible axle handle cylindrical is enclosed within bearing 40 inner rings, and bearing outer ring is enclosed within the fixed cover 39, and fixed cover 39 connects with wear-resistant sleeve 25 and side's cutter seat 24 by screw 23; Hose Jacket 37 is contained on flexible axle 36 cylindricals, one end is enclosed within on the toothed conical pipe of engraving handle 35 afterbodys, the other end is enclosed within on the fixed cover 39 toothed conical pipes, during work, drill chuck 20 drives flexible axle 36 and graver 31 rotations, 37 protective actions of Hose Jacket, hand-held engraving handle carries out operation.

Fig. 5 is the structure principle chart of core drill parts.The core drill parts mainly are made up of hollow boring bit 42, hollow sleeve 43, overcoat 46 and drill chuck 20, and drill chuck parts structure as described above are constant.The internal taper hole of hollow boring bit 42 afterbodys connects with the male cone (strobilus masculinus) of hollow sleeve 43 front portions, hollow sleeve 43 is enclosed within drill chuck 20 to be had on the face of cylinder of keyhole, with the corresponding position of keyhole on, hollowly be with three through holes, a steel ball 47 is respectively arranged in the hole, the aperture of circle one end neither can drop out steel ball 47 less than the diameter of steel ball in the close hollow sleeve of through hole in through hole, can be stuck in the interior moment of torsion that transmits of keyhole of drill chuck 20 again; The hollow sleeve back segment is enclosed within overcoat 46 endoporus, has one section cavity, spring 45 to be contained in this section cavity between hollow sleeve and the overcoat in the overcoat front portion, in the spring exit back-up ring 44 is housed, and plays the effect that limits spring position; Hollow sleeve 43 tail ends have a collar 48, and the definite position of collar is the aperture side at the embedding steel ball, and effect is that steel ball can thereby not deviate from from aperture owing to the former of overcoat inner cone when overcoat and hollow sleeve generation axial displacement.During dismantling device, only need gently draw overcoat 46, the overcoat inner conical surface that holds out against steel ball 47 under the elastic force effect of spring 45 unclamps, and makes bead break away from the keyhole of drill chuck 20 and within the through hole of retraction hollow sleeve, can install or take down hollow sleeve.

Fig. 6 is the structure principle chart of annular saw parts.On the saw cover 50 front end cylindricals, interior saw cover front end face had a screwed hole in saw blade 49 was contained in, and housing screw 52 connects gland 51 with interior saw cover, thereby saw blade 49 is compressed.In saw cover 50 along axis one endoporus is arranged, hole wall has the axial semicircle kerve of symmetrical distribution, cuphead pilotage 4 is inserted in and transmits moment of torsion in the groove.Interior saw is sleeved in bearing 53 endoporus, and bearing outer ring is installed in annular saw housing 54 endoporus, and there are three through holes the baseplane of annular saw housing, is stuck in the big cancelling 11 to connect with main frame body 2.Fig. 7 is the locking device structure schematic diagram of annular saw parts.In annular saw housing 54 inner surfaces and the big corresponding position of cancelling connection holes, two hollow boss 55 are arranged, 56, the retaining platform is arranged at the bottom of the hole of convex platform 56, spring 57 is housed in the hole, be installed with check lock lever 58 in the spring, check lock lever has boss rank in convex platform 56 holes, spring 57 is sitting on the boss rank, the cylindrical of big lip cap contacts in the endoporus that the check lock lever hypomere passes boss 55 and the big cancelling 11, the position of check lock lever 58 stage casings between two boss has draw-in groove, and driving lever 60 1 ends are inserted in the draw-in groove, and the middle part connects with the annular saw housing by hinge, the other end stretches out outside the housing, and there is hand switch 62 termination.During installation or removal, all must be cocked hand switch 62 earlier, lift check lock lever, just can make big cancelling 11 enter or withdraw from the connection holes of annular saw housing, unclamp hand switch 62, check lock lever falls to the side of big cancelling at the pressure of spring, makes it can be owing to the vibration in the work is deviate from from pin-and-hole.

Fig. 8 is a sweep-saw parts operation principle schematic diagram.Locking device on the sweep-saw housing 84 is identical with the locking device structure of annular saw.

Fig. 9 is a wood strip device operation principle schematic diagram.The wood strip device mainly is made up of cutter holder 63 and wood strip cutter 65.Cutter holder 63 is identical with the drill chuck modular construction with the coupling part of power output shaft 1, and the folder cutter partly is that the tapered section with interior drill bushing 17 changes two trapezoidal that the bottom links to each other into, and wood strip cutter 65 is clipped in trapezoidal centre, and is fastening with screw.

Figure 10 is a suitcase outer attachment installation site schematic diagram.Index dial 66 and 85 is installed on the suitcase outerplanar, the index dial circumference has scale, corresponding with the scale on the suitcase plane, interior index dial 85 is fixed on the casing, and outer index dial 66 can rotate, and on the periphery edge of outer index dial tooth is arranged, be meshed with a pinion 68, the axis of the axis of gear shaft 69 and outer index dial 66 is the spatial vertical crossing condition, and an end of gear shaft reaches outside the suitcase, and axle head is equipped with adjusting knob 70.By iron 71 is the location benchmark of workpiece and pressing plate 72 and outer index dial 66 rigid attachment, and pressing plate 72 passes through trip bolt 79 and briquetting 80 with Work-sheet pressing; By on the iron 71 two stop screws 73 are arranged, slide in two sections deep-slotted chip breakers 75 can on the casing plane, being opened, when adjusting the workpiece machining angle, turning knob 70, make pinion 68 drive outer index dial 66 and turn to required angle, use the nut 74 of interior that stop screw 73 lockings are got final product.Carrier base 76 be installed in the corresponding same plane of index dial on, with casing 67 rigid attachment, elbow support 77 1 ends and carrier base hinge-coupled, the other end can inject in the bracket holes 14 of main frame body 2 front end faces, with screw 15 locking.Dog screw 78 on the carrier base is in order to limit the relative position of elbow support 77 and carrier base 76.The processing cutlery is installed on the power output shaft 1 of main frame, and hand-held defensive position can be carried out operations such as angle cutting, sharpening to 81.Between the baseplane of body 2 and back base plate, one deck rubber slab 16 is arranged, when grinding, along with the wearing and tearing of emery wheel, the thickness of available adjustment rubber slab 16 is grasped the grinding amount, therefore, the thickness after the compression of rubber slab is less than the final wearing and tearing thickness of U type grinding wheel.

Claims (10)

1, a kind of omnipotent electric tool, by the main frame body, motor, travelling gear, folder cutter hub on power output shaft and the axle, big cancelling, side handle, base plate, drill chuck, side's cutter device, annular saw, sweep-saw and suitcase are formed, it is characterized in that: the input of power output shaft (1) has a radial direction through hole, spring (8) is housed in the hole, the both ends of the spring top has two round ends to sell (9) directly to households, the cup head of selling (9) directly to households partly is inserted in the keyway of gear (10) endoporus, the output of power output shaft (1) also has a radial direction through hole, fixed cover (5) is housed in the hole, one spring (3) is arranged in the middle of the hole, there are two cuphead pilotages (4) on the both ends of the spring top, interior drill bushing (17) is enclosed within outside the output of power output shaft (1), outer drill bushing (18) is enclosed within outside the interior drill bushing, two radial direction through hole are arranged on the interior drill bushing (17), the cup head of cuphead pilotage (4) partly is inserted in the through hole, and contact with the baseplane of cambered surface pin (19) shank, outer drill bushing (18) inner hole wall has the radially crescent of symmetrical distribution, the cambered surface lid of cambered surface pin (19) contacts with the crescent bottom surface, and the tapered section of interior drill bushing (17) is enclosed within the internal taper hole of drill chuck (20);

The active section of side's cutter head (21) is the tubulose of interior round foreign side, one section gathering sill is arranged on the gripping section, connect by screw (23) and wear-resistant sleeve (25) and side's cutter seat (24) housing, the gripping section breech face has several end teeth, contacts with the end tooth of being opened on three clamp jaw end faces of drill chuck (20);

Graver (31) is clamped in the drill chuck (20) by elastic chuck (33), flexible axle (36) and flexible axle handle (41), elastic chuck (33) connects with engraving handle (35) by bearing (34), flexible axle handle (41) connects with fixed cover (39) and side's cutter seat (24) by bearing (40), and Hose Jacket (37) is enclosed within outside the flexible axle (36);

The internal taper hole of hollow boring bit (42) connects with the outer cone of hollow sleeve (43), hollow sleeve is contained in drill chuck (20) to be had outside the cylinder of keyhole, three through holes are arranged on the hollow sleeve, a steel ball (47) is respectively arranged in the hole, the aperture of close interior circle one end of through hole is less than the diameter of steel ball (47), hollow sleeve (43) is enclosed within overcoat (46) endoporus, spring (45) is contained between hollow sleeve and the overcoat, there is back-up ring (44) in the spring exit, the overcoat tail end has one section internal taper hole, and the aperture side of hollow sleeve tail end embedding steel ball has a collar (48);

On the saw cover (50), interior saw cover inner hole wall had the axial semicircle kerve of symmetrical distribution in gland (51) was connected in saw blade (49) by housing screw (52), and cuphead pilotage (4) is inserted in the groove;

On annular saw housing (54), side's cutter seat (24) housing and sweep-saw housing (84), locking device is housed respectively;

Cutter holder (63) is identical with the drill chuck modular construction with the coupling part of power output shaft, and wood strip cutter (65) is installed in the folder cutter position of cutter holder;

Index dial (66), (85) be contained on suitcase (67) outerplanar, interior index dial (85) is fixed on the casing, outer index dial (66) has tooth on the edge, mesh with pinion (68), gear shaft (69) one ends reach outside the suitcase, axle head is equipped with adjusting knob (70), by iron (71) and pressing plate (72) and outer index dial (66) rigid attachment, trip bolt (79) and briquetting (80) are arranged on the pressing plate, by on the iron (71) stop screw (73) is arranged, two sections arc-shaped slots (75) are arranged on the casing plane, screw (73) is inserted in the deep-slotted chip breaker, nut (74) locking by interior, carrier base (76) be installed in the corresponding same plane of index dial on, elbow support (77) one ends and carrier base are hinged, the other end injects in the bracket holes (14) of main frame body (2) front end face, with screw (15) locking, a plurality of dog screws (78) are arranged on the carrier base.

2, omnipotent electric tool according to claim 1, it is characterized in that: through hole one end of power output shaft (1) output has fixed cover (5), one end is the stepped hole of diameter less than through-hole diameter, there are folder cutter hub (6) and knife clip (7) in the stage casing of power output shaft (1), is screwed cutter.

3, omnipotent electric tool according to claim 1, it is characterized in that: interior drill bushing (17) radial direction through hole two ends have concave station rank, a plane respectively, the step area is greater than the area of the cambered surface lid of cambered surface pin (19), the step degree of depth is greater than the thickness of cambered surface lid, the interior hole exits of interior drill bushing (17) cylindrical section has a chamfering, have a cannelure between inside and outside drill bushing, spring steel ring (83) is stuck in the groove.

4, omnipotent electric tool according to claim 1 is characterized in that: the longitudinal section of three the big cancellings (11) on main frame body (2) the A face is dried font, and two-layer block is arranged, and there is chamfering at the block edge, and big cancelling and body (2) are used thread connection.

5, omnipotent electric tool according to claim 1, it is characterized in that: the gear (10) that is contained in power output shaft (1) input, the cross sectional shape of keyway is on its endoporus: Yi Bian be semi arch, another side is and semi arch and the tangent straight line of bore circumference.

6, omnipotent electric tool according to claim 1 is characterized in that: between main frame body (2) bottom surface and the back base plate rubber slab (16) is arranged, the thickness after the rubber slab compression is less than the final wearing and tearing thickness of U-shaped grinding wheel.

7, omnipotent electric tool according to claim 1, it is characterized in that: there is back handle hole main frame body (2) back, defensive position is inserted in (81) in the hole and locks with screw (82), and body (2) B face has the side handle hole, and side handle (12) is inserted in the hole with screw (13) locking.

8, omnipotent electric tool according to claim 1, it is characterized in that: three big cancelling connection holes on annular saw housing (54), sweep-saw housing (84), side's cutter seat (24) housing, its shape is that a smaller part circular hole is arranged in the same side of each big hole, all on same circumference, the small circumference of housing inner plane is with shallow nest in the center of circle of big small sircle hole.

9, omnipotent electric tool according to claim 1, it is characterized in that: have through hole on the plane on the step of side's cutter seat (24) housing and big cancelling connection holes corresponding position, fairlead (27) is housed in the hole, check lock lever (38) is housed in the fairlead, there is a horizontal pin (26) at the check lock lever middle part, the pin two ends are inserted in the guide groove on fairlead (27) inner hole wall, spring (28) is enclosed within on the check lock lever (38) of pin top, gland (29) is enclosed within outside the spring, is connected with side's cutter seat (24) by screw (30).

10, omnipotent electric tool according to claim 1, it is characterized in that: in annular saw housing (54), sweep-saw housing (84) has the inner surface of big cancelling connection holes, boss (55) is arranged, (56), there is a through hole at the boss center, convex platform (56) has the retaining platform at the bottom of the hole, spring (57) and check lock lever (58) are housed in the hole, the boss rank are arranged at check lock lever top, spring is sitting on the boss rank, the endoporus of boss (55) is passed in the check lock lever bottom, contact with the big lip cap cylindrical of big cancelling (11), the check lock lever middle part has draw-in groove, and driving lever (60) one ends are inserted in the draw-in groove, middle part hinge (61) and housing (54), (84) connect, the other end stretches out outside the housing, and the termination is fixed with hand switch (62).

Images