CN1754653B - Hand-held grinding machine especially storage cell powered hand-held grinding machine - Google Patents
Hand-held grinding machine especially storage cell powered hand-held grinding machine Download PDFInfo
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- CN1754653B CN1754653B CN 200510108479 CN200510108479A CN1754653B CN 1754653 B CN1754653 B CN 1754653B CN 200510108479 CN200510108479 CN 200510108479 CN 200510108479 A CN200510108479 A CN 200510108479A CN 1754653 B CN1754653 B CN 1754653B
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- grinding
- grinding tool
- dish
- held
- motorised hand
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- 238000000227 grinding Methods 0.000 title claims abstract description 158
- 210000000352 storage cell Anatomy 0.000 title 1
- 238000003801 milling Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910005580 NiCd Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
Abstract
The invention relates to a handheld grinding machine, in particular to the grinding machine which is provided with storage batteries to supply electricity. The grinding machine is provided with a shell body (12), which can hold an electromotor (24) for driving a grinding disc (18); the grinding disc (18) is arranged on the bottom side of the shell body. Aiming at being smaller, lighter, convenient for operation, and being produced advantageously in cost, the invention provides a component which is used for turning on and turning off a switch button (34) of an electromotor (24), and is constructed into plate spring shaped and can be operated crookedly.
Description
Technical field
The present invention relates to a kind of motorised hand-held grinding tool, especially battery-driven milling drum has a housing, and this housing holds one and is used to drive the motor of grinding dish and is provided with a grinding dish in the bottom side of this housing.
Background technology
Known battery-driven motorised hand-held grinding tool, NI-G (NiCd) battery that it has a plurality of phase counterweights usually is as accumulator and have and the identical mechanical part of corresponding motorised hand-held grinding tool that has the line voltage terminal, for example identical travelling gear, fan impeller and be used to eliminate unbalanced balance mass and eccentric drive or switch and switching manipulation parts.
The shortcoming of this known hand held power machine be owing to its parts weigh greatly thereby have bulky physical dimension and weight big.This ergonomic design to known battery-driven motorised hand-held grinding tool, operation convenience and manufacturing cost are brought adverse effect.
Summary of the invention
According to the present invention, a kind of motorised hand-held grinding tool has been proposed, has a housing, this housing holds one and is used to drive the motor of a grinding dish and the bottom side that this grinding dish is arranged on this housing, and this motorised hand-held grinding tool has a shift knob, this shift knob is used to connect and turn-off motor, be used as the leaf spring form, operated parts constitute agley, wherein: this shift knob can be clamped in the described housing with its bottom anticreep is liftoff.
Advantageously, shift knob is configured to the button of protruding arch with its upper end.
The present invention has its advantage, can obtain a kind of, operation convenient and compact battery-driven motorised hand-held grinding tool form, light especially with flatiron of travelling, and has extra high area working ability after its each charging.
The vertical configuration of carrying out the relative grinding dish of motor and motor pinion and power transmission shaft and drive pinion plane abreast parallel to each other, and wherein two pinions flat side and grinding plate is closely adjacent and extend abreast with this grinding plate, then the mass distribution center of gravity that more shifts near grinding dish and hand held power machine is set to low especially.In addition, by motor and the power transmission shaft this vertical and adjacent layout parallel to each other in housing, but use cost roller gear low, that have straight-tooth come transmission power or as the transmission device that is about the underneath drive ratio of i=3 at the gearratio between motor and the eccentric drive replace using so far tooth belt driver or-under the situation that the relative grinding plate dihedral of motor is arranged-use the scheme of bevel gearing.
Advantageously, motor and power transmission shaft be parallel to each other abreast, perpendicular to grinding plate be set in the housing and form each other and be rotatably connected by transmission device, wherein transmission device is set at the bottom in the housing.
Advantageously, transmission device especially is configured to be provided with the gear mesh of straight-tooth, is made of two gears.
On a flat side, carry the air guide blades by motor pinion, can on this compact machine part, save ground, position simultaneously in conjunction with two functions.Can make motor and motor pinion do shortly especially thus---promptly save axial structure length, mass cg designs lowly especially and housing can design flatly especially.In addition, compare with frame mode present, that have independent motor ventilation blower and can save this independent parts, and be used for more advantageously to design according to the material and the installation cost of battery-driven motorised hand-held grinding tool of the present invention.
Be constructed with the radial ventilation machine of arc air guide blades by gear on the side of motor at it, then can be with high efficient cool motors and cool motors pinion and form the drive pinion of engagement simultaneously with this motor pinion.
Drive pinion and motor pinion are adaptive and be configured to the roller gear of straight-tooth with its engagement ground and be set in the lower part of frame zone, then make the mass cg of this battery-driven milling drum be provided be unreachable to so far low.
On its flat side, be provided with some grooves and quality is gathered part by drive pinion, then this drive pinion then constitutes a compact especially balance mass simultaneously, this balance mass surpasses grinding dish bearing ground in the axial direction and protrudes and can very closely be adjacent to-reach axially to do very shortly thus with the grinding dish thus-arrange towards this grinding dish bearing in addition, consequently between grinding dish and power transmission shaft only very little unbalanced tilting moment and the balance mass of appearance can keep very little.
Advantageously, drive pinion is engaged in the grinding dish and this drive pinion is provided with at least one balance mass and/or a balance pipe.
Advantageously, described balance mass and/or balance pipe are set on the flat side that is in opposition side of drive pinion.
Advantageously, balance mass is configured to annular sector and is arranged on the downside of drive pinion.
In addition, drive pinion also carries a rotor journal, and especially with the rotor journal of this drive pinion one, then it has constituted the most important parts of eccentric drive simultaneously.
Advantageously, the balance mass that is configured to annular sector extends on the only about half of length of this rotor journal with being parallel to rotor journal, surrounds rotor journal especially with one heart.
Has a stage in Background Region by the leg-of-mutton in other words grinding dish of flatiron shape towards workpiece, and the height of this stage is corresponding to the sticking height that connects part that connects of a standard velvet, then this grinding dish can receive an independent triangle grinding dish in its tip region, this triangle grinding dish on its downside be that face flushes to latter linked residue face and have a bed course in the case, this bed course level land and with respect to the bed course of the grinding disk area that is connected the back with identical thickness and highly extension.
Advantageously, connecting the residue grinding dish that an area increases on the justified margin ground, back of this equilateral triangle grinding dish.
Advantageously, remain the inside arch limit outside and a front portion that the grinding dish has two parallel straight outsides and has a rear portion.
Advantageously, triangle grinding dish and residue grinding dish constitute a common flat supporting surface and have flat, flush ground bed course transition, uniform thickness each other.
Advantageously, grinding plate have especially 11, radially, with the elevation angle (flachenWinkel) from outside below pass grinding plate above inwardly obliquely the dirt bits by passage, the dirt bits inlet of these dirt bits by passage is configured on the downside and outlet is configured in the circumferential rib on the upper side and their sidewall constitutes some ribs on the upper side of grinding plate.
By narrow longitudinally grinding tongue piece of clamping removably on the front tip of the grinding plate of flatiron shape, then use this battery-driven milling drum also can process very little narrow workpiece area, so that the range of application of this battery-driven milling drum enlarges.
The shift knob of this battery-driven milling drum is the lever of its bottom of usefulness leaf spring form that especially can be held between the housing shell, hang, and then this shift knob is designed to solid especially, light and the cost suitable configuration.
Because lithium-ions battery hardly can self discharge, so this battery-driven milling drum also can fully be ready to for use after long use blanking time without restriction, it is using interim to be placed on for a long time on the charging board of charging assembly arbitrarily, and can not have a negative impact to this battery thus.At this, charging board can stably be placed on the flat supporting surface and need not to be fixed, and also need not the maintenance that is fixed when this battery-driven milling drum is removed.Can automatically form contact by this battery-driven milling drum with its charging plug connector that is arranged on the housing rearward end on being placed on charging board the time with the corresponding contact of charging board, wherein needn't consider the cable that adds or the plug connector that is coupled, then this toolroom machine always can only take off with a hand apace, need not unplugg in the case or removes holding device.Can guarantee automatically at any time that in addition this battery-driven milling drum is recharged.
The lithium-ions battery that this is compact, especially it is right to make battery, can not have gap, fixed-site ground, be installed in the handgrip zone on top with clamping, it is integrated in the robust construction of handgrip and can improves the moulding intensity of this handgrip under the situation of housing half shell use few materials in the case.
Description of drawings
Below will the present invention is described in detail by embodiment and with reference to accompanying drawing.
Accompanying drawing is represented:
Fig. 1: a part side view that open wide, battery-driven milling drum,
Fig. 2: the front view of this battery-driven milling drum,
Fig. 3: the upward view of this battery-driven milling drum,
Fig. 4: as the side view of motor shown in the details and motor pinion,
Fig. 5: as the side view of eccentric drive shown in the details and grinding plate,
Fig. 6: the upward view of eccentric drive gear,
Fig. 7: according to the vertical view of the gear of Fig. 6,
Fig. 8: according to the cutaway view of the gear of Fig. 6 and 7,
Fig. 9: as the vertical view of the motor pinion shown in the details,
Figure 10: the upward view of motor pinion,
Figure 11: the sectional view of motor pinion,
Figure 12: the top perspective view of grinding dish,
Figure 13: the perpendicular plan view of grinding dish,
Figure 14: the longitudinal section of grinding dish,
Figure 15: the upward view of grinding dish,
Figure 16: the three-dimensional view of grinding tongue piece,
Figure 17: the vertical view of grinding tongue piece,
Figure 18: the longitudinal section of grinding tongue piece,
Figure 19: the three-dimensional view of shift knob,
Figure 20: the rearview of shift knob,
Figure 21: the front view of shift knob,
Figure 22: the cross-sectional view of shift knob, and
Figure 23: the upward view of housing.
The specific embodiment
Fig. 1 represents an especially little and compact battery-driven milling drum 10, its housing 12 by take right shell body shell 16 away and represent with opening wide and sight line can freely penetrate into be arranged on housing 12 inside in other words in the housing shell 14, on the following parts that also will describe in detail.
Housing 12 can seal half shell 14,16 that supports the ground joint each other by two and constitute in a mid-plane 15.Some holes (Fig. 2) of passing in the upper half shell 16 of five screws are screwed in five screw-casings 40,41,42,43,44 of lower half shell 14, so that make both fixed to one another for this reason.The upper area of housing 12 has constituted a handgrip zone arch, that also can cosily be gripped by little hand.
Below direction of observation, housing 12 carries grinding dish 18 a similar flatiron shape, leg-of-mutton, and the dish tip 19 of this grinding dish is pointed to the right on direction of observation and determined suitable direction of feed.Grinding dish 18 has a bed course 25 and is fixed on the housing 12 20,22 anticreeps are liftoff by two vibrating bodies, especially is suspended on the housing, and these vibrating bodies are to constituting four elasticity posts that connect with screw on the angle of the outside of grinding dish.
But the motor 24 of a vertically disposed DC powered is housed between the handgrip zone of grinding dish 18 and housing 12.This motor can by one especially pairing ground lithium-ions battery 26 disposed adjacent one another drive and form by some cables 28 that extend in housing 12 inside and be electrically connected with this battery.Two of these cables 28 make battery 26 be connected with charging plug connector 30 in a upper area back, that be arranged on housing 12 by an electronic unit 32, can make charge in batteries easily thus when being connected with negative side's plug connector plug-in type of a ready charging device.Have the electronic unit 32 that is used for the AC-DC conversion and is used to regulate the element of battery charging process and be installed in a upper hand that is fixed in housing 12 the printed circuit board (PCB) 33 in zone 17.
On the right of direction of observation, on the front side of housing 12 or within it portion is provided with a shift knob 34, and its button 340 from aperture 35 profiles of housing 12 and can finely to touch ground by operator's hand protruding with flushing.Shift knob 34 operationally is supported on by a key projection 344 on the on ﹠ off switch 361 of an electric switch 36, so that switch 36 can reach open position and reach open position when unclamping button 340 when inwardly pressing button 340.
The shift knob 34 usefulness lower region thereof of this tongue shape can be fixed in the corresponding central indentation of housing shell 14,16 by a positioning rib 38 so that this shift knob camber beam shape be clamped on the housing 12 and can flexibly act on the switch 36.
Stretch out its centre bore 49 nothings of 46, one motor pinion 48 usefulness of a motor reel downwards by motor 24 is fixed on this motor reel with relatively rotating.On the flat upper side 47 of motor pinion 48, be provided with evenly distributedly, especially as the ventilation blower fin 52 of the air blades configuration of compacting or the bending that goes out of cast molding, so that this motor pinion 48 not only plays the effect of drive disk assembly, and play the effect of ventilation blower, be particularly useful for cool motors.This motor pinion 48 has straight-tooth 50, can be meshed with the corresponding tooth 56 of a drive pinion 54 by this motor pinion of these straight-tooth.The upper side 78 of the flat downside 51 of motor pinion 48 and the housing wall of lower part of frame level 13 next-door neighbours and relative grinding dish 18 indirectly but be provided with near being adjacent to, its distance is less than 5mm.
Be provided with a plurality of grooves 53 equably on the downside 51 of motor pinion 48, be used to reduce weight, these grooves make motor pinion 48 have enough intensity by contact pin 55 cross-over connections of spoke-like thus.Drive pinion 54 has the diameter bigger than motor pinion 48, can reach the gearratio of i=2 to 3 thus.These teeth 56 of drive pinion 54 are engaged between these teeth of motor pinion 48.Drive pinion 54 is bearing in the next door of this motor abreast by last and underdrive bearing 62,64 and motor 24 by a power transmission shaft 58 in the housing 12.Drive pinion 54 carries eccentric part 70 (Fig. 5 on its downside, 6,8), this eccentric part cooperates 60 to realize by a dish bearing 68 with the off-centre of grinding dish 18, so that the drive pinion 54 of rotation makes grinding dish 18 carry out orbital motion by eccentric part 70.
Be provided with the pump orifice 66 of a centre at the rear portion of housing 12, can be pumped in the grinding dirt bits that grinding dish 18 forms on the downside 80 of abrasive sheet 77 in other words by connecting a unshowned dust collector hose by this pump orifice.
Fig. 2 represents when sight line is thrown on the dish tip 19 of mid-plane 15 at motor field frame 12, its half shell 14,16, shift knob 34, transparency window 45 and grinding dish, the front view of this battery-driven superfine milling machine 10.Handgrip zone 17 is narrower than the width of grinding dish 18.The upper forepart of motor field frame 12 has the transparency window 45 of an embedding, this window longitudinally extends in separation plane 15 and can see light emitting diode coloured, that do not represent in detail by the mouth of wearing of half shell 14,16, and these light emitting diodes especially are used as the charge observation indicator.
The downside 80 that Fig. 3 represents the upward view of battery-driven superfine milling machine 10 and shows grinding dish 18 in other words one connect or similar fashion connects is fixed on abrasive sheet 77 (Fig. 5) on the grinding dish by sticking the connecting of velvet in case of necessity, the latter's profile dots.At this, can see the profile of the flatiron shape of grinding dish 18 and abrasive sheet 77.Grinding dish 18 is made up of equilateral triangle grinding dish 180 front, removable and a residue grinding dish 181 that is provided with regularly; The latter constitutes the trapezoidal difference face (Differenzfl of a rule
Che), it and little triangle grinding dish 180 are common constitutes the flatiron shapes.
Grinding dish 18 has a sticking lining of taking that is not shown specifically, and the velvet layer that this is sticking takes abrasive sheet popular on lining and the market is associated and has a plurality of round entrance 777 and four that represent, that be not used for fixing vibrating body 20,22 in detail screw holes that are used to pass away grinding dirt bits.
A corresponding abrasive sheet 77 can be made up of the residue abrasive sheet 771 of an abrasive sheet 770 front, equilateral triangle and a back, given tear string by a perforation can disconnect and have 11 inlets 777 each other in case of necessity, is used to pass the grinding dirt bits by the negative pressure suction.Anterior abrasive sheet 770 corresponding to be used for triangle milling drum popular on the market, have the outer peripheral standard triangle of an arch grinding dish.Residue abrasive sheet 771 constituted have two parallel straight outsides and a bending, be connected the leading edge on the arch outward flange of abrasive sheet 770 and the antemarginal special shape of an outside camber arch alignedly.By residue abrasive sheet 771 effective grinding area is increased, make the grinding efficiency of this battery-driven milling drum known relatively thus, the triangle milling drum of the leg-of-mutton abrasive sheet 770 of use standard improves significantly.
Fig. 4 represents the side view of the details of motor 24, and this motor has motor reel 46 and a motor pinion 48 that is installed on this motor shaft, and this motor pinion has some teeth 50 and is positioned at ventilation blower fin 52 on its flat upper side 47.Can see at this, an axle sleeve of not representing in detail is housed in hole 49, be used for not having cooperation motor reel 46 with relatively rotating.
Fig. 5 represents one by the details of grinding dish 18 with the compact assembly of forming of drive pinion 54 that cooperates and output shaft 58.Its rotor journal 70 of drive pinion 54 usefulness is engaged in the dish bearing 68 that is configured to rolling bearing.The rotation that makes rotor journal 70 thus is not directly but is delivered to indirectly on the grinding dish 18, carries out an orbital motion to cause this grinding dish.This dish bearing 68 is installed in one as in the groove on the upper side 78 bearing block 82, grinding dish 18.On the downside 80 of grinding dish 18, installed one by the sticking abrasive sheet 77 that connects (Klettverschlu β) maintenance that connects of velvet.Its bottom of output shaft 58 usefulness does not have a central blind hole 72 that is engaged on the upper side that is arranged in drive pinion 54 with relatively rotating.This output shaft is directed in drive bearing and a underdrive bearing 62,64 on each.
Fig. 6 represents the downside 57 of drive pinion 54.On the circumference of this drive pinion, be provided with some straight-tooth 56, and can see rotor journal 70 that is directed upwards towards and the balance mass 74 that is configured to annular sector.
Fig. 7 represents the upper side 59 of drive pinion 54, and this upper side has central blind hole 72 and groove 76 that some are eccentric, they-as balance mass-too as imbalance compensation.
Fig. 8 represents a longitudinal section of drive pinion 54, can be clear that therein its configuration reaches and the integraty of rotor journal 70, central blind hole 72, balance mass and groove 76.
Fig. 9 represents the upper side 47 as the motor pinion 48 of details.Here the centre bore 49 that is used to penetrate motor reel 46, straight-tooth 50 and the ventilation blower rib 52 of representing it highlightedly.
In the downside 51 of the motor pinion shown in Figure 10, except that the feature described in Fig. 9, also express some contact pin 55 of the spoke-like of some grooves 53 of being used for saving in weight and these grooves of cross-over connection.
Figure 11 represents a longitudinal section of motor pinion 48, wherein can be clear that above to Fig. 9 and 10 described details especially.
Figure 12 represents that sight line throws into the stereogram of the grinding plate 188 of the grinding dish 18 on its upper side 78.This can see the leg-of-mutton configuration and most advanced and sophisticated 19 of the plate that it is similar to flatiron also resemble in flatiron directed forward.Also can be clear that the seat 84,86 that is used to keep vibrating body 20,22, these vibrating bodies especially can be fixed on these seats by screw that is screwed into by the below or like.Netted except some, annular and radially rib or the rib 89 parallel with outline, also can see some wideer radial ribs 85, they have constituted the upper side of the dirt bits of some lower open by passage 94 (Figure 15), and these dirt bits are arranged in outside circumferential rib 89 by the outlet 87 on the upper side 78 of grinding dish 18 of passage.Grinding dirt bits under the mill are reached by the inlet of the semilune in the lower casing body wall 13 of housing 12 661 (Figure 23) by these outlets can outwards be transported to suction/exhousting hole 66 by a passage 666 that is made of the housing wall 660 of some arches (Fig. 1,23).Entering on the downside 80 of grinding dish 18 of dirt bits realizes by 11 inlets 777.
Figure 13 expresses the details illustrated to Figure 12 as details with the perpendicular plan view of grinding plate 188, wherein can be more clearly visible the rib 85 of suction channel 83 and the axial outlet 87 on the medial surface of outmost circumferential rib 89 thereof.Pass these suction channels, suction air flows to the suction/exhousting hole 66 on the rearward end of battery-driven milling drum 10 by the reach through hole in the lower casing body wall 13 661.
Figure 14 represents a longitudinal section of grinding plate 188, and wherein the downside 80 of this grinding plate forwardly upwards constitutes a stage 88 in the zone 81.This stage 88 and velvet be sticking to connect welding system-for example and takes lining and the velvet layer is formed-the same ground height by sticking, glues by this velvet to connect welding system leg-of-mutton grinding dish 180 removably is fixed on the grinding plate 188.Can make the bed course 25 of grinding dish 180,181 have unified thickness thus and on whole grinding dish 18 directly and the level land extend on the equal height.Stagger each other by a stage arris 90 in the before and after portion zone 81,91 of grinding plate 188.
Figure 15 represents to have the downside 80 of some dirt bits by the grinding plate 188 of passage 94, and these dirt bits constitute some ribs 85 by passage and terminate in the suction/exhousting hole 87 on the upper side of grinding plate 188.Have a locking mouth 92 in addition, be used to hang up an additional grinding dish that is called as grinding tongue piece 1800 (Figure 16).
Figure 16 expresses grinding tongue piece 1800 with three-dimensional view, wherein can see its grinding of vertically stretching out forward greatly most advanced and sophisticated 1820 and coupling surface 1840 significantly, wherein can load onto narrow longitudinally accordingly abrasive sheet below its downside 1880.
Figure 17 represents the vertical view of grinding tongue piece 1800, wherein be provided with a flexible coupling tongue piece 1860 in the centre at some edges 1910 of the instrument pusher side of coupling surface 1840, when replacement triangle grinding dish 180 ground were fixed to grinding tongue piece 1800 on the grinding plate 188, this coupling tongue piece entered into locking mouth 92 and grinding tongue piece 1800 is remained on the grinding plate regularly.For grinding tongue piece 1800 is located and remained on the grinding plate 188, the side direction stop edge 1900 on coupling surface 1840 is responsible for gapless, fixing being of coupled connections.
Figure 18 represents a longitudinal section of grinding tongue piece 1800; Its downside 1880 is flat and is provided for receiving narrow longitudinally accordingly abrasive sheet.
Figure 19 represents the stereogram of details of the shift knob 34 of leaf spring form (blattfederartig).The button 340 of its shelly is set in the upper area and is provided with the end face 341 of camber arch forward.This end face has guaranteed operation easily.The elastomer that is connecting shift knob 34 downwards, this elastomer are provided with the ribs 348 of some inclinations in upper area, between button 340 and elastomer 343.
The back side 342 of button 340 is because the shelly configuration is the hollow inside that reaches towards housing.Elastomer 343 carries a key projection 344 at its back side, it is used for the on ﹠ off switch of console switch 36.
Elastomer has the pin shape zone of a horizontal expansion in lower region thereof, it be used as positioning rib 38 and make shift knob 34 no gaps, anticreep is liftoff and fixedly remain on clampingly in the corresponding breach of housing shell 14,16 of housing 12.
Rearview, front view and the longitudinal section of Figure 20 to 22 expression shift knob, they make the explanation to Figure 19 become more clear.
Figure 23 has represented to dismantle the downside of the battery-driven milling drum 10 of grinding dish, wherein can be clear that relative mid-plane 15-on two and half shells 14,16-in the middle of being arranged on and at rotor journal 70 semilunes inlet 661 with dish bearing 68 back.In addition, sight line can freely be thrown on the downside of before and after vibrating body 20,22 of paired setting.
Claims (22)
1. motorised hand-held grinding tool, has a housing (12), this housing holds one and is used to drive the motor (24) of a grinding dish (18) and the bottom side that this grinding dish (18) is arranged on this housing, and this motorised hand-held grinding tool has a shift knob (34), this shift knob be used for connecting and turn-off motor (24), be used as the leaf spring form, operated parts constitute agley, it is characterized in that: liftoff being clamped in the described housing of available its bottom anticreep of this shift knob (34).
2. according to the motorised hand-held grinding tool of claim 1, it is characterized in that: shift knob (34) is configured to the button (340) of protruding arch with its upper end.
3. according to the motorised hand-held grinding tool of claim 1, it is characterized in that: a charging plug connector that is arranged on housing (12) rearward end can form contacting with the negative side contact of a charging board in charge position, wherein needn't operate building-out cable or coupling plug connector.
4. according to the motorised hand-held grinding tool of claim 1, it is characterized in that: motor (24) and power transmission shaft (58) be parallel to each other abreast, be set in the housing (12) and by transmission device (48 perpendicular to grinding plate (18), 54) formation is rotatably connected each other, wherein transmission device (48,54) is set at the bottom in the housing (12).
5. according to the motorised hand-held grinding tool of claim 4, it is characterized in that: transmission device is made of two gears (48,54).
6. according to the motorised hand-held grinding tool of claim 5, it is characterized in that: these gears (48,54) be adjacent to be disposed such towards grinding dish (18) and with this grinding dish is close downwards, so that the flat side (47 of these gears, 51,57,59) extend abreast with grinding dish (18) basically.
7. according to the motorised hand-held grinding tool of claim 5, it is characterized in that: one in these gears is used as motor pinion (48) and carries air guiding device (52) at it on the flat upper side (47) of motor (24), is used for producing cooling air or suction air.
8. according to the motorised hand-held grinding tool of claim 7, it is characterized in that: motor pinion (48) is configured to the radial ventilation machine.
9. according to the motorised hand-held grinding tool of claim 7, it is characterized in that: another of these gears is used as the drive pinion (54) that is engaged in the grinding dish (18), and this drive pinion is provided with at least one balance mass (74) and/or a balance pipe (76).
10. according to the motorised hand-held grinding tool of claim 9, it is characterized in that: described balance mass (74) and/or balance pipe (76) are set on the flat side (57,59) that is in opposition side of drive pinion (54).
11. the motorised hand-held grinding tool according to claim 9 or 10 is characterized in that: balance mass (74) is configured to annular sector and is arranged on the downside of drive pinion (54).
12. the motorised hand-held grinding tool according to claim 9 or 10 is characterized in that: drive pinion (54) carries a rotor journal (70) on a side of described balance mass (74).
13. the motorised hand-held grinding tool according to claim 12 is characterized in that: the balance mass (74) that is configured to annular sector is parallel on the only about half of length that rotor journal extends in this rotor journal (70).
14. motorised hand-held grinding tool according to claim 1, it is characterized in that: a grinding plate (188) that constitutes triangle grinding dish (18) is configured with stage and carries a removable equilateral triangle grinding dish (180) at its tip, is connecting the residue grinding dish (181) that an area increases on the justified margin ground, back of this equilateral triangle grinding dish.
15. the motorised hand-held grinding tool according to claim 14 is characterized in that: residue grinding dish (181) has two parallel straight outsides and has the inside arch limit outside and a front portion at a rear portion.
16. the motorised hand-held grinding tool according to claim 14 or 15 is characterized in that: triangle grinding dish (180) and residue grinding dish (181) constitute a common flat supporting surface and have flat, flush ground bed course transition, uniform thickness (25) each other.
17. motorised hand-held grinding tool according to claim 14 or 15, it is characterized in that: grinding dish (18) have radially, with the elevation angle from outside below pass grinding plate (188) above inwardly obliquely the dirt bits by passage (94), the dirt bits inlets (777) of described dirt bits by passage are configured in that downside (80) is gone up and outlet (87) is configured in the circumferential rib (89) on the upper side and described dirt bits are gone up formation some ribs (85) by the sidewall of passage at described upper side (78).
18. the motorised hand-held grinding tool according to claim 14 or 15 is characterized in that: a narrow longitudinally grinding tongue piece of clamping (1800) removably on the front tip of the grinding dish of flatiron shape.
19. the motorised hand-held grinding tool according to claim 1 is characterized in that: described motorised hand-held grinding tool is battery-driven milling drum.
20. the motorised hand-held grinding tool according to claim 5 is characterized in that: this transmission device is configured to be provided with the gear mesh of straight-tooth.
21. the motorised hand-held grinding tool according to claim 9 or 10 is characterized in that: drive pinion (54) carries the rotor journal of an one on a side of described balance mass (74).
22. the motorised hand-held grinding tool according to claim 17 is characterized in that: grinding dish (18) has 11 described dirt bits by passage (94).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410047795 DE102004047795A1 (en) | 2004-09-29 | 2004-09-29 | Grinding hand tool machine, in particular Akkuschleifhandwerkzeugmaschine |
| DE102004047795.7 | 2004-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1754653A CN1754653A (en) | 2006-04-05 |
| CN1754653B true CN1754653B (en) | 2011-08-03 |
Family
ID=35335373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510108479 Expired - Fee Related CN1754653B (en) | 2004-09-29 | 2005-09-29 | Hand-held grinding machine especially storage cell powered hand-held grinding machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1754653B (en) |
| DE (1) | DE102004047795A1 (en) |
| GB (1) | GB2419558B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2556922B1 (en) | 2011-08-09 | 2014-03-19 | C. & E. Fein GmbH | Power tool |
| WO2014023229A1 (en) * | 2012-08-07 | 2014-02-13 | 苏州宝时得电动工具有限公司 | Grinding power tool |
| CN103567842B (en) * | 2012-08-07 | 2017-02-08 | 苏州宝时得电动工具有限公司 | Grinding power tool |
| DE102014226089A1 (en) * | 2014-12-16 | 2016-06-16 | Robert Bosch Gmbh | Machine tool system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854020A (en) * | 1973-06-29 | 1974-12-10 | Black & Decker Mfg Co | Trigger mechanism for hand-operated power device including stationary locking device which provides lock-off and lock-on operation |
| US3900974A (en) * | 1974-02-14 | 1975-08-26 | Singer Co | Portable surface-treating machine with improved platen-mounting construction |
| US4976173A (en) * | 1987-02-24 | 1990-12-11 | Yang Tai Her | Manual electric tool |
| DE29614325U1 (en) * | 1996-08-21 | 1996-10-31 | Kress Elektrik Gmbh & Co | Hand tool for surface processing |
| EP1166963A1 (en) * | 2000-06-21 | 2002-01-02 | Skil Europe B.V. | Plane sander with exchangeable part of sanding sole |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2850120A1 (en) * | 1977-11-21 | 1979-05-23 | Black & Decker Mfg Co | SWITCH OPERATING DEVICE |
| FR2529497A1 (en) * | 1982-07-02 | 1984-01-06 | Black & Decker Inc | Base plate of orbital sander |
| US6736220B1 (en) * | 2003-05-22 | 2004-05-18 | Defond Components Limited | Power tool trigger assembly |
| NL1025144C2 (en) * | 2003-12-30 | 2005-07-04 | Bosch Gmbh Robert | Power tool with double-control switch. |
-
2004
- 2004-09-29 DE DE200410047795 patent/DE102004047795A1/en not_active Withdrawn
-
2005
- 2005-09-23 GB GB0519469A patent/GB2419558B/en not_active Expired - Fee Related
- 2005-09-29 CN CN 200510108479 patent/CN1754653B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854020A (en) * | 1973-06-29 | 1974-12-10 | Black & Decker Mfg Co | Trigger mechanism for hand-operated power device including stationary locking device which provides lock-off and lock-on operation |
| US3900974A (en) * | 1974-02-14 | 1975-08-26 | Singer Co | Portable surface-treating machine with improved platen-mounting construction |
| US4976173A (en) * | 1987-02-24 | 1990-12-11 | Yang Tai Her | Manual electric tool |
| DE29614325U1 (en) * | 1996-08-21 | 1996-10-31 | Kress Elektrik Gmbh & Co | Hand tool for surface processing |
| EP1166963A1 (en) * | 2000-06-21 | 2002-01-02 | Skil Europe B.V. | Plane sander with exchangeable part of sanding sole |
Non-Patent Citations (1)
| Title |
|---|
| EP 1166963 A1,说明书第1-6栏、附图1-3. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004047795A1 (en) | 2006-04-06 |
| GB2419558A (en) | 2006-05-03 |
| GB2419558B (en) | 2009-08-19 |
| GB0519469D0 (en) | 2005-11-02 |
| CN1754653A (en) | 2006-04-05 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20170929 |