CN201385218Y - Portable-type router base component and electric tool component - Google Patents
Portable-type router base component and electric tool component Download PDFInfo
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- CN201385218Y CN201385218Y CN200820175455U CN200820175455U CN201385218Y CN 201385218 Y CN201385218 Y CN 201385218Y CN 200820175455 U CN200820175455 U CN 200820175455U CN 200820175455 U CN200820175455 U CN 200820175455U CN 201385218 Y CN201385218 Y CN 201385218Y
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- retaining ring
- housing
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- assembly
- engraving
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Abstract
The utility model relates to a portable router base component and an electric tool component, wherein the base component comprises a shell and a maintaining ring, wherein the shell comprises a foot part, an upper part and an internal part which is limited by partial internal surface, wherein the upper part comprises an upper part surface, the internal part of the shell is used for accommodating a part of a portable router, and the internal surface comprises an annular groove which extends outwards in the radial direction and is close to the upper part surface; the maintaining ring comprises a part with the interior generally presenting in a cylindrical shape and a top part surface, wherein at least part of the top part surface restricts an opening leading to the interior of the maintaining ring, at least part of the cylindrical part is arranged inside the annular groove of the shell, and the interior of the maintaining ring is used for receiving the part of the portable router through the opening. The electric tool component comprises a portable router and the fixed base component. The base component can be formed by single elements which are made of two different materials, thereby saving the expense and favoring the manufacturing and the assembling of the base component.
Description
Technical field
The utility model relates to engraving and mills machine (routers) base assembly, more particularly, relates to and a kind ofly can mill the base assembly that machine uses with engraving of variable depth.The utility model also relates to and comprises the portable electric tool assembly that mills machine and described firm banking assembly of engraving.
Background technology
The content of our department's branch statement only relates to background technical information of the present utility model, may not constitute prior art.
Multiple electric tool comprises with respect to the cutting element or the cutter (bit) that are laid on the workpiece or raise or reduce against the base of workpiece.Usually with on the attached output shaft that is coupled to motor unit of instrument or cutter, motor unit can be with respect to base vertically or axially-movable.Motor unit and attached instrument cutter (tool bit) have been determined the degree of depth of incision workpiece with respect to the motion of base unit.
Constitute according to this basic design and to comprise that engraving of some trimmers of laminating (laminate trimmers) mill machine.By as the knife rest of chuck or chuck and so on the attached motor output shaft that is coupled to of routing cutter tool, and the opening in the cutter protuberate basic unit is with contact workpiece.With respect to base travel motor and cutter motor unit is installed on the base vertically by the operator, to determine the cutting depth of cutter.The degree of depth of cutting system and engraving is milled machine base and is belonged to two classes of generally acknowledging usually.They are to pour formula base (plunge-base) to engrave and mill machine and firm banking formula and engrave and mill machine (fixed-base routers) and { comprise that so-called D-shape is base (D-handle bases) }.In general, the formula of pouring is engraved and is milled seat element, motor unit and a plurality of pillar that machine comprises that cardinal principle is smooth, and motor unit vertically is being installed on the pillar above the base movably.Usually, upwards skew or of motor unit away from base.Also be provided with the device that is used for meticulous adjusting cutting depth and is used for overcoming the locking motor unit of biasing force in selected depth/height.
The firm banking formula is engraved and is milled machine and generally include the motor unit that is roughly columniform base and has the circular cylindrical shell body portion.The cylindrical part of electric machine casing suitably be matched with base cylindrical part ring-shaped inner part and can be at described internal motion, motor reel mills rounding machine cutter (router bit) and protrudes the lowermost portion that surpasses base downwards with engraving simultaneously.The cylindrical part of base generally includes vertical or axial otch or gap, this otch or gap allow base diameter to enlarge slightly under the effect of the power of clamp mechanism or shrink, and the clamp mechanism cross-over connection is on the gap and in electric machine casing inside base being fastened on the electric machine casing.Also be provided with the device of regulating cutting depth by the adjusting motor unit and the vertical or axial location of the cutter that is in base inside.Can unclamp the base anchor clamps in order to regulate cutting depth, tighten the base anchor clamps after by the degree of depth adjusting device degree of depth being set to desired value, electric machine casing is locked in the position of setting.
Conventional base is made of the single type foundry goods.Use the single type foundry goods to need a plurality of mach surfaces to admit different parts and structure division (feature) as adjustable ring and electric machine casing and so on.In addition, need a plurality of mach surfaces accurately to locate with respect to base to allow power tool.Expending time in a plurality of surfaces of machining, needs upgrade kit, and/or increase the overall cost of base.Therefore, it is favourable providing the base on the less mach surface of a kind of needs.In addition, using the result of single single type foundry goods is that base adopts single material of planting.For making base have desired intensity, base thickness can strengthen thereupon.This large scale will make the operation of base and instrument clumsy and/or inconvenient.In addition, in the base of routine, anti-rotation structure division is the attached separate part that is coupled to base.The use of independent anti-rotation structure division needs the additional installation step of additional machining operation, and has increased the cost of producing base.Therefore, provide the less machining operations of a kind of needs and use more easily that base is favourable.In addition, this also helps reducing the production cost of base.
The utility model content
The purpose of this utility model provides that a kind of machine operations is less, easy to use, lower-cost mills the base assembly that machine uses and comprise the portable electric tool assembly that mills machine and described firm banking assembly of engraving with engraving.
For realizing described purpose, the utility model provides, and portable engraving milled the machine base assembly and comprised: housing, it comprises foot, top part and the inside that is limited by the partial interior surface at least, the top part comprises upper face, enclosure interior is configured to hold the portable part of milling machine of engraving, and the internal table face comprises the annular recess on the adjacent upper portions surface that radial outward is extended; Retaining ring, it comprises inner cylindrical part and top surface substantially, top surface limits the opening that leads to retaining ring inside at least in part, cylindrical part is at least partially disposed in the annular recess of housing, and retaining ring inside is configured to receive the portable described part of milling machine of engraving by opening.
The utility model provides engraves and mills machine and can comprise ring-like depth adjustment mechanism.This depth adjustment mechanism can comprise adjustable ring.Adjustable ring can comprise with it the bar that connects, and this bar can be used for milling machine and being fixed on the firm banking assembly engraving.Base assembly can be the two-piece base assembly, and wherein one is arranged in another part inboard.Can comprise one of in two with adjustable ring on synergistic annular lip of bar or recess, mill machine and be fixed on the base assembly engraving.
Mill the machine base assembly and comprise housing and retaining ring according to portable engraving of the present utility model.Housing has foot, top part, and to inside that small part is limited by inner surface.This top part comprises upper face.Enclosure interior is configured and receives the portable part of milling machine of engraving.The internal table face comprises the annular recess that the radial outward on adjacent upper portions surface is extended.Retaining ring comprises the part and the top surface of inside, general cylindrical.Top surface limits the opening that leads to retaining ring inside at least in part.Cylindrical part can be placed in the annular recess of housing at least in part.Retaining ring is constructed inside into by opening and receives the portable described part of milling machine of engraving.
Preferred described cylindrical part is arranged in the described annular recess regularly.Annular recess also can comprise the last shoulder that radial inward is extended, cylindrical part comprises that at least one axially keeps structure division, this at least one axial structure division that keeps has the fin that has upper face that radial outward is extended, upper face and described last shoulder are chimeric, so that described retaining ring is fixed on the described housing.
Preferably cylindrical part is pressed fit into annular recess, whereby described retaining ring is fixed firmly on the described housing.Annular recess can comprise the cannelure that radial outward is extended, and cylindrical part comprises the axial maintenance structure division of the lug boss with radial outward extension, and described lug boss and described cannelure are chimeric and stop described retaining ring to shift out from described housing.Engrave when milling machine and being placed in retaining ring and enclosure interior portable, the top surface of retaining ring supports portable engraving and mills machine.Retaining ring can be a global facility, and it comprises the anti-rotation projective structure part of one, and this structure division can prevent that portable engraving from milling machine with respect to the rotation of described retaining ring and described housing.
Preferred housing is made of first kind of material, and retaining ring is made of second kind of material, and first kind of material is different from second kind of material.The cylindrical part of preferred retaining ring has first radial thickness, and the top part of housing has second radial thickness, and first radial thickness is less than described second radial thickness.
Preferred base assembly also comprises and is attached to described housing and operationally described portable engraving is milled machine and be fixed to clamp assembly on the described housing.
Preferred retaining ring comprises the lip of contiguous described top surface, and lip has the extensional surface of radial outward, thereby this extensional surface portablely engraves that the maintenance bar that mills on the machine is chimeric to stop portable engraving to mill machine and shift out retaining ring with being in.
According on the other hand of the present utility model, a kind of electric tool assembly is provided, it comprises that portable engraving mill machine and firm banking assembly.Portable engraving milled the exercisable axle that machine comprises part, the motor unit of head, general cylindrical and is used to receive Work tool.The firm banking assembly operationally receive portable engrave to mill machine and will be portable engrave mill machine and be supported on the axial location of expecting with respect to working face.The firm banking assembly comprises housing and retaining ring.The inside that housing has foot, top part and limits by inner surface to small part.This top part comprises upper face.This enclosure interior receives the portable cylindrical part that mills machine of engraving.The internal table face comprises the annular recess that the radial outward on adjacent upper portions surface is extended.Retaining ring comprises part, and the top surface of inside, substantial cylindrical.Top surface limits the opening that leads to retaining ring inside at least in part.The retaining ring cylindrical part is placed in the annular recess of housing at least in part.Retaining ring is constructed inside into passes the portable cylindrical part that mills machine of engraving of this opening reception.
According to the utility model, provide a kind of portable engraving to mill the machine base assembly, comprise: housing, it comprises foot, top part and the inside that is limited by the partial interior surface at least, the top part comprises upper face, enclosure interior is configured to hold the portable part of milling machine of engraving, and the internal table face comprises the annular recess on the adjacent upper portions surface that radial outward is extended; Retaining ring, it comprises inner cylindrical part and top surface substantially, this top surface limits the opening that leads to retaining ring inside at least in part, cylindrical part is at least partially disposed in the annular recess of housing, and retaining ring inside is configured to receive the portable part of milling machine of engraving by opening.Cylindrical part is arranged in the annular recess regularly.Annular recess comprises the last shoulder that radial inward is extended, cylindrical part comprises that at least one axially keeps structure division, this at least one axial structure division that keeps has the fin that has upper face that radial outward is extended, upper face and last shoulder are chimeric, so that retaining ring is fixed on the housing.Cylindrical part presses fit into annular recess, whereby retaining ring is fixed firmly on the housing.Annular recess comprises the cannelure that radial outward is extended, and cylindrical part comprises the axial maintenance structure division of the lug boss with radial outward extension, and lug boss and cannelure are chimeric and stop retaining ring to shift out from housing.Engrave when milling machine and being placed in the inside of retaining ring and housing portable, the top surface of retaining ring supports portable engraving and mills machine.Retaining ring is a global facility, and it comprises the anti-rotation projective structure part of one, and this structure division prevents that portable engraving from milling machine with respect to the rotation of retaining ring and housing.Housing is made of first kind of material, and retaining ring is made of second kind of material, and first kind of material is different from second kind of material.The cylindrical part of retaining ring has first radial thickness, and the top part of housing has second radial thickness, and first radial thickness is less than second radial thickness.This base assembly also comprises and is attached to housing and operationally portable engraving is milled machine and be fixed to clamp assembly on the housing.Retaining ring comprises the lip on adjacent top surface, and lip has the extensional surface of radial outward, thereby this extensional surface portablely engraves that the maintenance bar that mills on the machine is chimeric to stop portable engraving to mill machine and shift out retaining ring with being in.
According to the utility model, a kind of electric tool assembly also is provided, comprising: portable engraving milled machine, and it has head, is roughly columniform part, motor unit and can operating to receive the axle of Work tool; The firm banking assembly, its operationally hold portable engrave to mill machine and will be portable engrave mill machine and be supported on the axial positions of expecting with respect to working surface, the firm banking assembly comprises: housing, the inside that it has foot, top part and is limited at least in part by inner surface, the top part comprises upper face, enclosure interior is held the portable cylindrical part that mills machine of engraving, and the internal table face comprises the annular recess on the adjacent upper portions surface that radial outward is extended; Retaining ring, it comprises inside, roughly cylindrical part and top surface, this top surface limits the opening that leads to retaining ring inside at least in part, the cylindrical part of retaining ring is at least partially disposed in the annular recess of housing, and retaining ring inside is configured to receive the portable cylindrical part that mills machine of engraving by opening.Retaining ring is fixed on the housing.Annular recess comprises the last shoulder that radial inward is extended, the cylindrical part of retaining ring comprises that at least one axially keeps structure division, this at least one axial structure division that keeps has the fin that has upper face that radial outward is extended, this upper face and last shoulder are chimeric, so that retaining ring is fixed firmly on the housing.Thereby the cylindrical part of retaining ring presses fit into annular recess retaining ring is fixed firmly on the housing.Annular recess comprises the cannelure that radial outward is extended, and cylindrical part comprises the axial maintenance structure division of the lug boss with radial outward extension, and this lug boss and cannelure are chimeric and stop retaining ring to shift out housing.Engrave when milling machine and being placed in the inside of retaining ring and housing when portable, the top surface of retaining ring supports portable engraving and mills machine.Retaining ring is a global facility, and it comprises the anti-rotation projective structure part of one, this structure division and portablely engrave that to mill machine chimeric and prevent that portable engraving from milling machine and rotate with respect to the firm banking assembly.Housing is made of first kind of material, and retaining ring is made of second kind of material, and first kind of material is different from second kind of material.The cylindrical part of retaining ring has first radial thickness, and the top part of housing has second radial thickness, and first radial thickness is less than second radial thickness.This electric tool assembly also comprises and is attached on the housing and operationally portable engraving is milled machine and be fixed to clamp assembly on the firm banking assembly.Portable engraving milled machine and comprised adjustable ring, this adjustable ring is engraved the cylindrical part rotation of milling machine and is milled the axial location of machine with respect to the firm banking assembly to regulate portable engraving with respect to portable, this retaining ring comprises the lip part that is adjacent to top surface, this lip partly has the surface that radial outward is extended, adjustable ring comprises that at least one has the maintenance bar of tang, keeps bar and lip to mesh and stops portable engraving to mill machine and shift out retaining ring.
Because the utility model adopts two discrete items formation base assemblies can be convenient to the manufacturing of base assembly and attached thereon engraving milled machine.The two-piece base assembly can also use than the adjustable ring of minor diameter to improve user's comfort level.In addition, use the two-piece base assembly can use different materials to make the different piece of base assembly, therefore providing more economical base assembly and being convenient to is needing part to use more wear-resisting material.Moreover, use the two-piece base assembly cost saving various parts to be joined in one of them structure division, therefore help the manufacturing and the assembling of base assembly.
By describing in detail, other applications of the present utility model will be clearer.Should be appreciated that specification and instantiation only are used for illustration purpose, be not to be used for limiting scope of the present utility model.
Description of drawings
Hereinafter to the description of accompanying drawing just to explanation, be not to limit scope of the present utility model by any way.
Fig. 1 is the exploded view that mills machine of the engraving of the present utility model and disengaging of firm banking assembly;
Fig. 2 is the exploded view of firm banking assembly of the present utility model;
Fig. 3 is the perspective view of firm banking assembly of the present utility model;
Fig. 4 is the partial sectional view that fixed type chasis assembly 4-4 along the line shown in Figure 3 dissects, and has unloaded the depth indicator ring among the figure;
Fig. 5 is the partial sectional view with the similar conventional fixed base of Fig. 4, and this base is constituted as and is used to hold shown in Figure 1 engraving and mills machine;
Fig. 6 is the partial sectional view of firm banking assembly shown in Figure 4, and this base assembly has the relevant bar that is arranged in depth adjustment ring on the firm banking assembly and connects with it according to the utility model;
Fig. 7 is the partial sectional view of conventional fixed base shown in Figure 5, and this base has depth adjustment ring that is arranged on traditional firm banking and the relevant bar that connects with it;
Fig. 8 is the plane according to firm banking assembly of the present utility model, and the depth adjustment ring connects thereon;
Fig. 9 is and the similar conventional fixed base plane of Fig. 8 figure that the depth adjustment ring connects thereon;
Figure 10 is the partial sectional view with an alternative embodiment of the similar firm banking assembly of the present utility model of Fig. 4;
Figure 11 is the partial sectional view with another alternative embodiment of the similar firm banking assembly of the present utility model of Fig. 4;
Figure 12 is the partial sectional view with the another alternative embodiment of the similar firm banking assembly of the present utility model of Fig. 4;
Figure 13 is the fragmentary, perspective view of an alternative embodiment again of firm banking assembly of the present utility model;
Figure 14 is a firm banking assembly 14-14 side cross sectional view along the line shown in Figure 13.
Description of reference numerals
20 electric tools/engrave and mill machine
22 motor units
24 base assemblies
26 adjustable rings
30 head parts
32 cylindrical parts
33 cables
34 switches
36
38 collets
40 screw threads
41 screw threads
42 axial slits
44 projective structures parts (feature)
46 head parts
48 rod parts
49 openings
50 housings
51 sections
52 foots
53 holes
54 top parts
55 gaps
56 clamp assemblies
57 slits
58 inner surfaces
60 recesses
62 retaining rings
64 cylindrical parts
66 lips
68 depth indicator rings
70 top surfaces
74 top surfaces
76 bars
78 tang
80 upper ends
82 pivots
83 inclined surfaces
84 inclined surfaces
86 housings
87 top surfaces
88 annular recess
89 tangent planes
90 annular recess
91 tangent planes
92 depth indicator rings
94 adjustable rings
124 base assemblies
144 projective structure parts
150 housings
160 recesses
161 shoulders
162 retaining rings
166 lips
170 top surfaces
172 axially keep structure division
173 lips
224 base assemblies
262 retaining rings
273 lips
274 top surfaces
275 inwalls
284 inclined surfaces
324 base assemblies
350 housings
360 recesses
361 grooves
362 retaining rings
372 axially keep structure division
424 base assemblies
450 housings
451 openings
454 top parts
485 pivots
493 clamp assemblies
495 fastening springs
The 495a end
The 495b end
497 trunnions
498 clamping bars
499 clamp pad
The specific embodiment
Below description in fact only be exemplary and be not to be used to limit the utility model design, to use or purposes.Should be appreciated that in whole accompanying drawings corresponding Reference numeral representation class like or appropriate section and structure division (for example, 20,120,220, or the like)
The utility model provides a kind of improved base assembly, and this base assembly can use together with the electric tool with depth adjustment mechanism, and can connect rapidly and break away from so that use with other utensils with electric tool.Though be that the firm banking formula is engraved and milled machine shown in the accompanying drawings all, it may occur to persons skilled in the art that scope of the present utility model is not limited to this.In this connection, be appreciated that the utility model can be applicable to other instruments in the electric machine casing of packing into without difficulty, by with the rotating ring element electric machine casing of electric machine casing screw-threaded engagement can axially-movable in base assembly.
Referring to Fig. 1, the figure shows first embodiment of electric tool 20 of the present utility model.Electric tool 20 illustrates to engrave the form of milling machine, and it can comprise motor unit 22, firm banking assembly 24, reach cutting depth adjustable ring (depth-of-cut adjustment ring) 26.
Motor unit 22 can comprise the motor (not shown) that is positioned at enclosure interior, and this housing comprises head 30 and cylindrical part 32.Motor is by cable 33 power supplies and by switch 34 controls.In certain embodiments, motor can be by battery-powered.Motor reel 36 can stretch out from motor unit 22 bottoms.Collet 38 is connected to axle 36 ends.Collet 38 can hold the cutting element as routing cutter tool and so on, and this instrument can rotate with the rotation of axle 36 then.Cylindrical part 32 can comprise threaded portion 40, complementary threaded portion 41 (Fig. 6) engagement on this threaded portion and the adjustable ring 26.Cylindrical part 32 also can comprise outside and the slit 42 that extends vertically, this slit can and the structure division 44 (Fig. 4 and 6) of some protrusions of housing 50 inside is chimeric rotates between motor unit 22 and the base assembly 24 preventing.As known in the art, each projective structure part 44 can comprise head part 46 and excellent part 48, and structure division is extensible by the pair of openings 49 in the housing 50.Can be in housing 50 machining opening 49, projective structure part 44 can be inserted in the openings subsequently.Head part 46 radial inward put in the inside of housing 50 and chimeric with slit 42, relatively rotate between motor unit 22 and the base assembly 24 preventing.Can in several ways projective structure part 44 be remained in the opening 49.As limiting examples, projective structure part 44 can be press-fit in the opening 49, perhaps can comprise knurled surface, knurled surface can be chimeric so that projective structure part 44 is remained in wherein with opening 49.
Referring now to Fig. 1-4,, base assembly 24 can comprise roughly axially extended cylindrical housings 50, and this housing has the bottom and is widened into bell-mouthed foot 52, and this foot is formed for the smooth plane surface that moves along workpiece.Housing 50 can comprise the macropore 53 that is in it, can see the cutting element that connects with collet 38 by this hole.One section 51 of the top part 54 of housing 50 can comprise end play 55 and horizontal narrow slit 57, and this horizontal narrow slit allows the section 51 of top part 54 to enlarge under the influence of clamp assembly 56 and shrinks, and this can constitute and operate in a well-known manner.Top part 54 can form the surface, inside 58 of general cylindrical, its size can be held the cylindrical part 32 of motor unit 22, cause clamp assembly 56 open/motor unit 22 can be at an easy rate in base assembly 24 slides within when discharging, and when clamp assembly 56 gathering/engagements, the cylindrical part 32 of motor unit 22 can be remained on wherein tightly and fricton-tightly.Just as is known in the art, housing 50 can be made of a variety of materials.As limiting examples, housing 50 can be made by die casting aluminium (diecastaluminum) and die casting magnesium.
The surface, inside 58 of top part 54 can comprise the recess that extends radially outwardly 60 of annular, and this recess can be formed and had a size that is used to receive retaining ring 62 by machining.Recess 60 can be on section 51, and it can be sized to allow retaining ring 62 to be press-fitted in the housing 50 so that remain there.Retaining ring 62 can be molded component and can comprise top surface or edge 74, first roughly columniform part 64 and the outward extending lip 66 of the annular radial above cylindrical part 64.The internal diameter size of retaining ring 62 can be defined as allowing cylindrical part 32 motion relatively freely therein of motor unit 22.By this structure, needn't take the position of clamp assembly 56 into account, retaining ring 62 can not retrain the motion of motor unit 22.Exactly, the constraint that realizes motor unit 22 by housing 50 and clamp assembly 56.
Depth indicator ring 68 can be arranged on the top surface 70 of housing 50, and keep thereon by the lip 66 of retaining ring 62.Top surface 70 can be profiled surface or machining surface.In this preferred embodiment, 70 pairs of depth indicator rings 68 of top surface provide support and need not to be the surface of machining.In some other embodiment, top surface 70 can be used for providing accurate support to adjustable ring 26.In this case, thus top surface 70 can be the surface of machining guarantees the flat bottom plane parallel of top surface 70 and foot 52.The machine operations of top surface 70 can guarantee to engrave the exact position of milling machine 20 and can control cutting depth.In the embodiment shown in Fig. 1-4,6 and 8, the top surface 74 of retaining ring 62 provides the support of vertical direction for motor unit 22 via adjustable ring 26.Specifically, as shown in Figure 6, adjustable ring 26 places on the top surface 74, so this top surface provides the support of vertical direction for adjustable ring 26, and adjustable ring provides vertical direction to support for successively motor unit 22.In this case, top surface 74 can accurately be located with respect to housing 50, to guarantee the flat bottom plane parallel of top surface 74 and foot 52.This can realize by the appropriate size of recess 60 and retaining ring 62.
Retaining ring 62 can be a molded component, and it is easy to make and can be made of a variety of materials.As limiting examples, retaining ring 62 can be made by hardened steel and stainless steel.Can make retaining ring 62 by various technologies.As limiting examples, retaining ring 62 can be made by mold pressing (stamping), deep-draw or with the metal spinning processing mode.In addition, the steel of wanting cure process before the available cure process form retaining ring 62.
Be easy to form the recess 60 in the surface, inside 58 of housing 50 by simple machine operations.Recess 60 and top surface 70 (when machined) can form by the single step machine operations.As mentioned below, it is attached with the selectivity of base assembly 24 that top part 54 and retaining ring 62 are convenient to motor unit 22.The single surface on the surface, inside 58 by machining housing 50 to be to form recess 60, optional top surface 70 and by the simple retaining ring 62 that forms, can be easily and make economically and be used for motor unit 22 is selectively remained to structure division on the base assembly 24.As mentioned below, housing 50 and retaining ring 62 can be by the different materials manufacturings, and these different materials have the advantage that is better than conventional firm banking.
Referring to Fig. 6, the figure shows adjustable ring 26 is attached to situation on the base assembly 24, be not mounted with the motor unit 22 of adjustable ring 26 on the base assembly usually.Adjustable ring 26 is supported by top surface 74 and can comprise that a pair of (only showing one) is attached to the bar 76 of adjustable ring 26 outsides pivotly.These bars 76 equate around the peripheral intervals of adjustable ring 26.Bar 76 1 ends can comprise maintenance tang 78, and this tang extends with respect to adjustable ring 26 radial inward.As shown in Figure 6, for motor unit 22 is remained on the base assembly 24, bar 76 can be by spring (not shown) bias voltage, and causing tang 78 to be in its radially inner most position also can be chimeric with lip 66 downsides.Radially the upper end 80 of inside catch bar 76 cause bar 76 to pivot around pivot 82, and the motion of tang 78 radial outward breaks away from the bar 76 and the lip 66 of retaining ring 62, makes motor unit 22 (with adjustable ring 26) leave base assembly 24 simultaneously.When bar 76 was in biased position, tang 78 was chimeric with the lip 66 of retaining ring 62, leaves base assembly 24 to prevent motor unit 22 (with adjustable ring 26).
So, mill in the machine 20 of the present utility model engraving, can easily motor unit 22 be unloaded and be fixed on the base assembly from base assembly 24.Can make the clamp assembly 56 of base assembly 24 open/break away from, and can be with motor unit 22 axial location in base assembly 24 inside.Can determine the axial location of motor unit 22 on base assembly 24 by adjustable ring 26 in the position on the cylindrical part 32.Respectively by the complimentary ramp surface 83,84 on tang 78 and the lip 66, bar 76 on the adjustable ring 26 can combine with lip 66 automatically, when tang 78 slides past lip 66, cause bar 76 to pivot and automatically motor unit 22 is fixed on the base assembly 24 around pivot 82.Adjustable ring 26 can be with respect to base assembly 24 rotations, with the axial location that motor unit 22 is positioned to expect.When motor unit arrives the axial location of expectation, clamp assembly 56 can draw in/mesh, utilize the surface, inside 58 of the top part 54 of diameter minimizing that motor unit 22 is fixed in the housing 50 whereby, and the top part itself is fixed on the cylindrical part 32 of motor unit 22.Therefore engrave and mill machine 20 and can engrave the machine work of milling as the firm banking formula.
To mill machine 20 in order unloading from base assembly 24 to engrave, can to make clamp assembly 56 open/discharge, and the upper end 80 of radial inward pressing lever 76, cause tang 78 radial outward to extend beyond lip 66.Then, motor unit 22 (with adjustable ring 26) is unloaded with respect to base assembly 24 axial rises and from this.Afterwards, engrave mill machine 20 can with as other additional structure part of being absorbed in base (plunde base, show) and so on use together.
Compare with conventional base, the manufacturing of base assembly 24 of the present utility model is easier and more economical.For example, shown in Fig. 5 and 7, conventional housings 86 forms the smooth plane surface except needing machining, also needs a plurality of surfaces of machining, to provide and retaining ring 62 and housing 50 identical functions.Specifically, housing 86 may carry out machined with tangent plane 89 to top surface 87 together with the first outside annular recess 88, makes the tang of bar chimeric with it.In addition, also may need second annular recess 90 of machined therein and tangent plane 91 with constant depth indicator ring 92.The additional mach surface of these of conventional housings 86 can increase the time with the housing 86 of the expense of Tool in Cutting processing and machining base assembly 24 tops.Moreover these mach surfaces may need multiple equipment (setups), have therefore further increased manufacturing conventional housings 86 required times.This and base assembly of the present utility model 24 are completely different, base assembly of the present utility model can have the base assembly 24 of single machined recess 60 (except that the lower surface of the shared flat surfaces of two housings 50 of machining and housing 86), and this recess can use single cutting tool and single equipment to carry out machined.In addition, the required cutting tool simplicity of design of recess 60 and do not need the thin portion of compound or complicated cutting is set.Even top surface 70 also is mach surface, top surface 70 and recess 60 can be carried out machining simultaneously, also can use single cutting tool and equipment.In addition, be used for still simplicity of design and do not need the thin portion of compound or complicated cutting of both cutting tools of simultaneously machined top surface 70 and recess 60.Therefore, base assembly 24 of the present utility model is easier and more economically than traditional base manufacturing.
Compare with traditional base, the base assembly 24 that the utility model provides can be for the less base assembly and/or the usefulness of adjustable ring.Advantageously, less size is convenient to engrave the operation and the control of milling machine 20, and the user feels more desirable.Especially as shown in Figure 5, the inner described part of the housing 86 of machined first annular recess 88 that needs must have enough thickness/width, motor unit 22 is remained on the housing 86 being suitable for.The thickness required at first annular recess, 88 place's housings can change according to the strength of materials that constitutes housing 86 and the restriction of machining property.Otherwise, to Fig. 4 and Fig. 5 more as can be seen, for housing 50 and retaining ring 62, base assembly 24 of the present utility model can adopt two kinds of different materials.As a result, can be from than the material of selecting retaining ring 62 the much smaller material of the thickness/width of the retaining ring recess material requested of machining housing 50 inside.Also say so, as shown in Figure 4, the width W of retaining ring 62
1Be significantly less than base width W with conventional housings 86
2The width W of retaining ring 62
1Also can be less than the width W of the top part 54 of housing 50
3Reduce the width W of retaining ring 62
1Just can allow to use adjustable ring 26 with littler external diameter.For example, shown in Fig. 8 and 9, the external diameter OD of the adjustable ring 26 that uses on the base assembly 24 of the present utility model
1The external diameter OD of the adjustable ring 94 that uses on the base of cardinal principle less than traditional band housing 86
2The external diameter OD that reduces of adjustable ring 26
1Can increase user's comfortableness, and the user is rotating with the easier adjustable ring 26 of catching during regulating the axial location of motor unit 22 with respect to base assembly 24.Therefore, base assembly 24 of the present utility model allows to use littler base assembly and/or adjustable ring with respect to traditional base.
The additional advantage of base assembly 24 of the present utility model is that housing 50 and retaining ring 62 can be used the different materials with different performance.For example, retaining ring 62 can be used more durable material manufacturing, and housing 50 can be with the poor slightly material manufacturing of durability.Make retaining ring 62 with more durable material and can as discussed above, have the width W that reduces with respect to traditional base housing 86
1In addition, use more durable material to provide better sense of touch or feel engraving the length of life of milling machine 20.For example, if traditional base housing 86 falls or damages, its top surface 87 may damage, is out of shape or caves in.As a result, when the user when top surface 87 rotates adjustable rings 94, this bump or distortion may provide a kind of unjoyful touch feeling that makes us.In addition, this distortion also may influence the axially-movable of motor unit 22 with respect to housing 86, causes to obtain same accurate the adjusting.On the contrary, use constructed of durable materials retaining ring 62 more can allow when similar potential damage that base assembly 24 stands that accident causes, still can continue to provide the accurate control of pleasant sense of touch and axial location.Therefore, the material of use different performance can provide more durable base assembly 24 on 24 pairs of housings 50 of base assembly of the present utility model and the retaining ring 62, can prolong the service life of base assembly 24 and/or provide simultaneously to make the user feel more joyful sense of touch.
According to the utility model, using another advantage of the base assembly 24 of different materials is to reduce manufacturing cost.For example, the different materials of different prices can be used for housing 50 and retaining ring 62.For example, retaining ring 62 can be made by first kind of material with first cost, and housing 50 can be by second kind of material manufacturing with second cost.Second kind of material can be more cheap than forming the required material of traditional base housing 86.Because the different piece of base assembly 24 has difference in functionality, retaining ring 62 needs different materials with housing 50, and therefore, the more economical material of material that can select to select than the housing 86 of conventional base forms housing 50.So, by adopting different materials can allow to select the material more more economical to make them than the material of conventional base use to housing 50 and retaining ring 62.
Referring to Figure 10, the figure shows the interchangeable embodiment of the utility model firm banking assembly 124.Base assembly 124 and base assembly discussed above 24 are similar.At this main difference is only described equally.Advantageously, base assembly 124 is included in the anti-rotation structure division in the retaining ring 162.Specifically, has the structure division 144 that radially inwardly stretches out with retaining ring 162 all-in-one-pieces.Projective structure part 144 extends axially along retaining ring 162, and its size is confirmed as being contained in the slit 42 of motor unit 22.Can form projective structure part 144 easily during forming retaining ring 162.As limiting examples, can in the process of punching press, deep-draw or metal rotation processing retaining ring 162, projective structure part 144 be formed in the retaining ring.What can expect is in certain embodiments, can form projective structure part 144 after retaining ring 162 is shaped in retaining ring 162.With reference to as described in the base assembly 24 and as using in the conventional fixed formula base housing, projective structure part 144 and retaining ring 162 can be integrally formed and needn't adopt independent parts that anti-rotation structure division is provided as top.Projective structure part 144 formed with retaining ring 162 all-in-one-piece structure divisions does not need machining to pass through the opening 49 of housing 150 yet.Therefore, use is to save independent machine operations to housing 150 with the advantage of retaining ring 162 all-in-one-piece projective structure parts 144, do not need to separate and different anti-rotation structure divisions, and can during forming retaining ring 162, form the projective structure part in cost saving ground.
Base assembly 124 can comprise that also prevention deviates from the axial maintenance structure division 172 of retaining ring 162 from housing 150.Specifically, axially keep structure division 172 can comprise a plurality of fins that are in the retaining ring 162, it radially outward stretches these sail shaft when extending upward.Can make axial maintenance structure division 172 separately along retaining ring 162.Recess 160 can comprise the shoulder 161 that extends radially inwardly.Recess 160 axial dimensions are designed to make shoulder 161 and axially keep structure division 172 chimeric and retaining ring 162 axially remained in the shell in 150.Axially keep the chimeric retaining ring 162 that stops between structure division 172 and the shoulder 161 to deviate from housing 150.Axially keep structure division 172 to can be used for jointly retaining ring 162 being press-fit in the housing 150.In certain embodiments, can utilize axial maintenance structure division 172 as bottom (sole) device that axially remains in the retaining ring 162 in the housing 150.Compare with the accurate location that is press-fitted retaining ring, utilize axially to keep structure division 172 can be easily to mill machine 20 and accurately be positioned on the base assembly 124 engraving.Especially manage to satisfy retaining ring is press-fit in manufacturing tolerance required in the housing compares with need, form the axial length of recess 160, retaining ring 162 and keep axially that the manufacturing tolerance of structure division 172 is easier to be satisfied.
During forming retaining ring 162, can produce axial maintenance structure division 172 easily.As limiting examples, can form axially maintenance structure division 172 in mold pressing, deep-draw or the metal rotation process when forming retaining ring 162.Should be appreciated that in certain embodiments, can after retaining ring 162 constitutes, form axially maintenance structure division 172 therein.Therefore, advantageously, base assembly 124 of the present utility model can comprise the axial maintenance structure division of being convenient to keep retaining ring 162 and housing 150.
Referring now to Figure 11,, the figure shows another alternative embodiment of firm banking assembly 224 of the present utility model.Base assembly 224 and base assembly discussed above 124 are similar.Their main difference similarly, is only described at this.Base assembly 224 can comprise retaining ring 262 with top surface 274 so that motor unit 22 inserts wherein.Specifically, to top surface 274 roundings, form this top surface at the joint of the inwall 275 of inclined surface 284 and retaining ring 262.Inwall 275 extends axially between the surface, inside of the top surface 274 and second lip 273 along the surface, inside of retaining ring 262.Inclined surface 284, top surface 274 and inwall 275 can have continuous surface to be its top rounding and to be radially inside slightly taper.Therefore, the opening of retaining ring 262 cylindrical part 32 of being convenient to motor unit 22 inserts wherein.Therefore, advantageously, base assembly 224 of the present utility model can comprise is convenient to the structure division that motor unit 22 inserts in the retaining ring 262.In addition, the top surface 274 of use rounding can be avoided sharp edges or the structure division that the cylindrical part 32 of any obstruction motor unit 22 inserts in the base assemblies 224.
Referring now to Figure 12,, the figure shows another alternative embodiment of firm banking assembly 324 of the present utility model.Base assembly 324 and firm banking assembly discussed above 24 and 124 are similar.Equally, at this main difference between them is only described.Base assembly 324 uses different axial maintenance structure divisions 372.In the present embodiment, axially keeping structure division 372 is outward extending lug bosses of external retaining ring 362 peripheries.In this configuration, during forming, retaining ring 362 is easy to form therein axial maintenance structure division 372.As limiting examples, can in the mold pressing that forms retaining ring 362, deep-draw or metal rotation process, form axially maintenance structure division 372.In order to hold axial maintenance structure division 372, recess 360 is included in the cannelure 361 that radially extends outwardly in the recess 360.Groove 361 and axially maintenance structure division 372 complementations.
Retaining ring 362 is positioned in the inside of housing 350 by the top, axially keeps the groove 361 of structure division 372 snap-ins in (snap) recess 360.Axially keeping structure division 372 to be embedded in can stop retaining ring 362 to shift out from housing 350 in the groove 361.
In the process that forms recess 360, can in housing 350, form groove 361 easily.The instrument that is used to form recess 360 also can form the additional structure part of groove 361 when specifically, can be included in machining recess 360.
Though will axially keep structure division 372 to show and be described as the continuous axial maintenance structure division 372 of external retaining ring 362 peripheries, should be understood that axial maintenance structure division 372 can be by opening along peripheral intervals and section constituting with chimeric a plurality of dispersion of groove 361.
Therefore, base assembly 324 of the present utility model can utilize cannelure 361 and the axial maintenance structure division 372 that radially outward protrudes fixes retaining ring 362 and housing 350.Can easily the function that axially keeps structure division 372 and groove 361 be conceived in retaining ring 362 and housing 350.
Referring now to Figure 13 and 14,, they show another embodiment of firm banking assembly 424 of the present utility model.Base assembly 424 and base assembly discussed above 24 are similar.Equally, at this main difference is only described.Base assembly 424 is equipped with dissimilar clamp assemblies and mills machine 20 and be fixed in the base assembly 424 engraving.Specifically, base assembly 424 comprises clamp assembly 493, and this clamp assembly does not need gap 55 and the slit 57 in the top part 454.Clamp assembly 493 randomly comprises clamp spring 495, trunnion 497, clamp rod 498 and anchor clamps pad 499.Clamp rod 498 has cam face and chimeric with an end 495a of clamp spring 495, and anchor clamps pad 499 is related with the other end 495b of clamp spring 495 simultaneously.Anchor clamps pad 499 extends through the opening 451 in the top part 454 of housing 450.
But anchor clamps pad 499 passes through clamp spring 495 with the motion radial inward of clamp rod 498 and mobile outwardly.This motion allows clamp assembly 493 to engrave to mill machine 20 to be fixed on the base assembly 424.Specifically, clamp rod 498 can rotate between unlatching and closing position around pivot 485.When clamp rod 498 was in the close position, its contiguous housing 450 also caused the end 495a radial outward of spring 495 to move, and this causes clamp spring 495 end 495b radial inward when trunnion 497 pivots to move again.In this case, anchor clamps pad 499 applies clamping force Fc (as shown in Figure 14 dotted line), and this power clamps to engrave in the fixed position with respect to base assembly 424 mills machine 20.When clamping bar 498 rotated away from housing 450 directions, shown in Figure 13 and 14, end 495a radial inward moved, and end 495b radial outward is moved, and caused clamp pad 499 no longer to mill machine 20 and apply power Fc to engraving.Therefore can from base assembly 424, take out to engrave and mill machine 20 or carry out the axial location adjusting by relative its of adjustable ring.
Therefore, in base assembly 424, selectively will engrave with clamp assembly 493 and to mill machine 20 and be fixed in the base assembly 424.By being moved in the position between the chimeric of pivot 485 and disengaging, clamping bar 498 can operate clamp assembly 493 easily.
Although the utility model is illustrated and explains with reference to concrete accompanying drawing, should be understood that, under the prerequisite that does not exceed the utility model design and scope, can adopt with respect to conversion shown in the accompanying drawing and different structures.For example, can expect the various structure divisions disclosed in the base assembly 24,124,224,324,424 are mixed with each other, so that base assembly has desired structure division.In addition, every kind of base assembly of the present utility model can comprise the structure division more more or less than structure division disclosed herein.Moreover concrete shape, size and the profile of each parts can still have advantage of the present utility model and beneficial effect simultaneously with shown different.Therefore, it is in fact exemplary being used to illustrate accompanying drawing of the present utility model, and the schemes different with these accompanying drawings all will fall into design of the present utility model and scope.
The cross reference of related application
The utility model request enjoys in 60/943, No. 486 U.S. Provisional Application No. submitting on June 12nd, 2007.More than the disclosed content of application is introduced in the utility model as reference.
Claims (22)
1. portable engraving milled the machine base assembly, it is characterized in that, comprising:
Housing, it comprises foot, top part and the inside that is limited by the partial interior surface at least, described top part comprises upper face, described enclosure interior is configured to hold the portable part of milling machine of engraving, and described internal table face comprises the annular recess of the described upper face of vicinity that radial outward is extended;
Retaining ring, it comprises inner cylindrical part and top surface substantially, this top surface limits the opening that leads to described retaining ring inside at least in part, described cylindrical part is at least partially disposed in the described annular recess of described housing, and described retaining ring inside is configured to receive the described portable described part of milling machine of engraving by described opening.
2. base assembly as claimed in claim 1 is characterized in that, described cylindrical part is arranged in the described annular recess regularly.
3. base assembly as claimed in claim 2, it is characterized in that, described annular recess comprises the last shoulder that radial inward is extended, described cylindrical part comprises that at least one axially keeps structure division, this at least one axial structure division that keeps has the fin that has upper face that radial outward is extended, described upper face and described last shoulder are chimeric, so that described retaining ring is fixed on the described housing.
4. base assembly as claimed in claim 2 is characterized in that described cylindrical part presses fit into described annular recess, whereby described retaining ring is fixed firmly on the described housing.
5. base assembly as claimed in claim 1, it is characterized in that, described annular recess comprises the cannelure that radial outward is extended, described cylindrical part comprises the axial maintenance structure division of the lug boss with radial outward extension, and described lug boss and described cannelure are chimeric and stop described retaining ring to shift out from described housing.
6. base assembly as claimed in claim 1 is characterized in that, with described portable engraving when milling machine and being placed in described retaining ring and described housing described inner, the top surface of described retaining ring supports described portable engraving and mills machine.
7. base assembly as claimed in claim 1 is characterized in that, described retaining ring is a global facility, and it comprises the anti-rotation projective structure part of one, and this structure division prevents that described portable engraving from milling machine with respect to the rotation of described retaining ring and described housing.
8. base assembly as claimed in claim 1 is characterized in that, described housing is made of first kind of material, and described retaining ring is made of second kind of material, and described first kind of material is different from described second kind of material.
9. base assembly as claimed in claim 1 is characterized in that, the described cylindrical part of described retaining ring has first radial thickness, and the described top part of described housing has second radial thickness, and described first radial thickness is less than described second radial thickness.
10. base assembly as claimed in claim 1 is characterized in that, also comprises being attached to described housing and operationally described portable engraving being milled machine and be fixed to clamp assembly on the described housing.
11. base assembly as claimed in claim 1, it is characterized in that, described retaining ring comprises the lip of contiguous described top surface, described lip has the extensional surface of radial outward, thereby this extensional surface describedly portablely engraves that the maintenance bar that mills on the machine is chimeric to stop described portable engraving to mill machine and shift out described retaining ring with being in.
12. an electric tool assembly is characterized in that, comprising:
Portable engraving milled machine, and it has head, is roughly columniform part, motor unit and can operating to receive the axle of Work tool;
The firm banking assembly, it operationally holds described portable engraving and mills machine and will be described portable engraving milled machine and be supported on the axial positions of expecting with respect to working surface, and described firm banking assembly comprises:
Housing, the inside that it has foot, top part and is limited at least in part by inner surface, described top part comprises upper face, described enclosure interior is held the described portable described cylindrical part that mills machine of engraving, and described internal table face comprises the annular recess of the described upper face of vicinity that radial outward is extended;
Retaining ring, it comprises inside, roughly cylindrical part and top surface, this top surface limits the opening that leads to described retaining ring inside at least in part, the cylindrical part of described retaining ring is at least partially disposed in the described annular recess of described housing, and described retaining ring inside is configured to receive the described portable described cylindrical part that mills machine of engraving by described opening.
13. electric tool assembly as claimed in claim 12 is characterized in that described retaining ring is fixed on the described housing.
14. electric tool assembly as claimed in claim 13, it is characterized in that, described annular recess comprises the last shoulder that radial inward is extended, the cylindrical part of described retaining ring comprises that at least one axially keeps structure division, this at least one axial structure division that keeps has the fin that has upper face that radial outward is extended, this upper face and described last shoulder are chimeric, so that described retaining ring is fixed firmly on the described housing.
15. electric tool assembly as claimed in claim 13 is characterized in that, thereby the cylindrical part of described retaining ring presses fit into described annular recess described retaining ring is fixed firmly on the described housing.
16. electric tool assembly as claimed in claim 13, it is characterized in that, described annular recess comprises the cannelure that radial outward is extended, described cylindrical part comprises the axial maintenance structure division of the lug boss with radial outward extension, and this lug boss and described cannelure are chimeric and stop described retaining ring to shift out described housing.
17. electric tool assembly as claimed in claim 12 is characterized in that, when described portable engraving when milling machine and being placed in described retaining ring and described housing described inner, the top surface of described retaining ring supports described portable engraving and mills machine.
18. electric tool assembly as claimed in claim 12, it is characterized in that, described retaining ring is a global facility, it comprises the anti-rotation projective structure part of one, this structure division and describedly portablely engrave that to mill machine chimeric and prevent that described portable engraving from milling machine and rotate with respect to described firm banking assembly.
19. electric tool assembly as claimed in claim 12 is characterized in that, described housing is made of first kind of material, and described retaining ring is made of second kind of material, and described first kind of material is different from described second kind of material.
20. electric tool assembly as claimed in claim 12, it is characterized in that, the described cylindrical part of described retaining ring has first radial thickness, and the described top part of described housing has second radial thickness, and described first radial thickness is less than described second radial thickness.
21. electric tool assembly as claimed in claim 12 is characterized in that, also comprises being attached on the described housing and operationally described portable engraving being milled machine and be fixed to clamp assembly on the described firm banking assembly.
22. electric tool assembly as claimed in claim 12, it is characterized in that, described portable engraving milled machine and comprised adjustable ring, this adjustable ring is portablely engraved the described cylindrical part rotation of milling machine and is milled the axial location of machine with respect to described firm banking assembly to regulate described portable engraving with respect to described, this retaining ring comprises the lip part that is adjacent to described top surface, this lip partly has the surface that radial outward is extended, described adjustable ring comprises that at least one has the maintenance bar of tang, and the engagement of described maintenance bar and described lip also stops described portable engraving to mill machine and shift out described retaining ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94348607P | 2007-06-12 | 2007-06-12 | |
| US60/943,486 | 2007-06-12 | ||
| US12/130,100 | 2008-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201385218Y true CN201385218Y (en) | 2010-01-20 |
Family
ID=41577742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820175455U Expired - Fee Related CN201385218Y (en) | 2007-06-12 | 2008-06-12 | Portable-type router base component and electric tool component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201385218Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104703765A (en) * | 2012-10-18 | 2015-06-10 | 利优比株式会社 | Electric trimmer |
-
2008
- 2008-06-12 CN CN200820175455U patent/CN201385218Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104703765A (en) * | 2012-10-18 | 2015-06-10 | 利优比株式会社 | Electric trimmer |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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