CN1142999A - Saw for caving hole - Google Patents
Saw for caving hole Download PDFInfo
- Publication number
- CN1142999A CN1142999A CN96108984.9A CN96108984A CN1142999A CN 1142999 A CN1142999 A CN 1142999A CN 96108984 A CN96108984 A CN 96108984A CN 1142999 A CN1142999 A CN 1142999A
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- Prior art keywords
- closing sleeve
- slide bar
- sleeve
- carving
- gear
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- 230000003028 elevating effect Effects 0.000 claims description 39
- 230000033001 locomotion Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 34
- 230000000717 retained effect Effects 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 210000001331 nose Anatomy 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 17
- 230000000694 effects Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009342 intercropping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/10—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
A hand-guided jigsaw machine 10 has its blade 23 retained by an inwardly directed collar 46 on a clamping sleeve 21 which engages noses 49,50 on the blade. Rotation of the sleeve 21 releases the blade and the sleeve is retained in the released position by locking means (eg detent balls 53' 54' which engage slots 54,56), the sleeve being automatically released to move to the clamping position on insertion of a blade (eg by the blade displacing member 52 against spring 58) and release rotation of the sleeve being brought about by actuating means (eg lever 27) which move the sleeve in the release direction only.
Description
The present invention relates to a kind of portable carving-hole sawing machine structure, it has an elevating lever, this elevating lever lower bearing intercropping thereon guiding moves, and a clamping device that clamps saw blade is arranged in its lower end, this clamping device has a closing sleeve, this closing sleeve has a collar that radially inwardly stretches out in its free bottom, this collar axially mounting and clamp the lug of saw blade bare terminal end thus when clamped position, also be provided with closing sleeve turn to the off-position, be fixed on the functional unit on the casing.
German patent application prospectus 4138986 has disclosed the carving hole saw of a above-mentioned type.In this carving hole saw, can change saw blade by following advantageous manner: at gear-box a rotatable switch sleeve that fixes with casing is installed, this switch sleeve can make it swing around quill with hand from the outside.The oscillating motion of this switch sleeve passes to the closing sleeve of this device to clamp saw blade through the transmission link stopper.A handle is arranged on this switch sleeve,, must this handle be swung around the elevating lever axle with hand in order to take off saw blade.The switch sleeve is rotatably mounted in the gear-box through a plurality of supporting-points.Because sawdust is arranged, above-mentioned supporting-point wearing and tearing are very big.In addition, must this switch sleeve be remained on the place, off-position with hand.Therefore, saw blade is changed cumbersome and time-consuming.
Carving hole saw of the present invention adopts following solution: described clamping device has and closing sleeve is remained on the saw blade off-position with respect to elevating lever and by saw blade being inserted the brake component that clamping device unclamps closing sleeve once more, thereby functional unit only closing sleeve with synchro-meshing mode band and is moved to the off-position from clamped position on a direction of motion, that is to say that this functional unit breaks away from engagement and returns its initial position voluntarily from off-position and closing sleeve.Carving hole saw with said structure has been compared following advantage with the prior art of front: because its direction of motion (preferably from top to bottom) for operating personnel very smoothly, thereby can change saw blade fast and easily; And this switch sleeve only needs in one direction (promptly unclamping the direction of saw blade) to operate, and needn't operate along the saw blade clamping direction.In addition, when taking out saw blade and inserting new saw blade, need not to grip this switch sleeve with hand, but it can be unclamped after the switch sleeve reaches the released position, the switch sleeve turns back to its initial position here.
Be that as other improvements of the present invention rotating-operation member can adopt a slide bar, this slide bar drives one of closing sleeve radially transmission link stopper on its tracks, and closing sleeve is rotated.
Other improvements of the present invention are that slide bar is connected with closing sleeve by haulage gear, particularly pull rope.
Other improvements of the present invention are that haulage gear one end that is made of pull rope is wound on the closing sleeve, and the other end is fixed on the slide bar.
The further improvement of the present invention part is, mobile mode is bearing on the housing slide bar can be parallel to elevating lever, and being embedded into one with a projection is arranged on the casing side, can rotates in the skewed slot of governor motion (particularly switch sleeve) around closing sleeve, thereby the mobile governor motion that makes of slide bar rotates, and drives closing sleeve.
The further improvements of the present invention are that governor motion is arranged on the ring-like guide rail in the mode that swings back and forth around closing sleeve.
The present invention further improvements is that slide bar is made of tooth bar, the tooth of tooth bar and the engagement of the tooth of closing sleeve.
The present invention further improvements is, the governor motion that is made of tooth bar is meshed with gear on can be rotated to support on casing with its tooth, and this gear is coupled with the slide bar that has tooth.
The present invention further improvements is that gear concurs with other teeth that constitute spur gear on bevel gear form and the slide bar.
The present invention further improvements is that functional unit is made of rocking bar, and this rocking bar free end contacts with the radial circumference of closing sleeve, particularly collides the radially transmission link stopper of closing sleeve
Below with reference to the accompanying drawings, elaborate embodiments of the invention.
The present invention of being shown in Figure 1 carves the embodiment of hole saw;
Fig. 2 is a fixing device for saw blades;
Fig. 3 is the upward view of Fig. 2;
Fig. 4 and Fig. 5 are perspective view and the vertical views of an embodiment that is used for rotating the operating means of closing sleeve;
Fig. 6 and 7 is perspective view and the vertical views that rotate the another embodiment of the present invention of closing sleeve with rocking bar;
Fig. 8 and 9 constitutes, rotates the governor motion of closing sleeve by pull rope;
Figure 10, but 11 and 12 are switch sleeves of vertical operation;
Figure 13 uses the tooth bar operated adjustment mechanism;
Figure 14 is the governor motion with straight slider operating;
Figure 15 comes operated adjustment mechanism with gear drive.
Carving hole saw 10 shown in Figure 1 comprises a motor housing 12 that is connected with gear-box 14 flanges.This motor housing 12 and gear-box 14 are installed on the base plate 16 together.
With regard to direction of observation, stretch out one downwards from gear-box 14 and can in gear-box 14, make axially movable elevating lever 18 along its upper and lower bearing (not drawing the figure).This elevating lever 18 has a clamping device 20 that has closing sleeve 21 in its lower end, be used for clamping the saw blade bare terminal end 22 with centering saw blade 23.
Saw blade 23 is by to the breach 25 that passes base plate 16.In gear-box 14 sides a double armed lever 27 is installed, this double armed lever is made of two arms each other in arranged at right angles, and one of them is a button 28, and another is a push rod 29.Above-mentioned two arms can be around same balance staff 30 swings.The stroke that push rod 29 length are more possible than elevating lever 18 is long, and when it was swung, its promoted one from the outwardly directed transmission link stopper 21 ' of closing sleeve 21 peripheral radials.
When pressing button 28 downwards with regard to direction of observation, push rod 29 moves near the closing sleeve 21, and drives transmission link stopper 21 ' there.So, the oscillating motion of push rod 29 is transformed into the rotational motion of closing sleeve 21.Rotating destination county, closing sleeve 21 is decontroled the bare terminal end 22 of saw blade 23, thereby can axially take off saw blade.
Shown in Figure 2 is an elevating lever 18 that has saw blade 23 clamping devices 20.A stepped-piston type centring spool 52 has a ring-type inclined-plane 54, when centring spool 52 moves axially, by means of this ring-type inclined-plane, the location ball 53 ', 54 ' in the radial hole 68,69 that is positioned at elevating lever 18 lower areas is moved radially.
Closing sleeve 21 is arranged on the external thread section 26 of elevating lever 18 with the guide mode of screw-threaded engagement.Closing sleeve 21 lower region thereof radially inwardly gradually transition be collar 46, profile is formed by an open-work 48 and a radial slot 47 in the collar.Closing sleeve 21 periphery is within it gone up the position adjacent with the radial hole 68,69 of elevating lever 18 draw-in groove 55,56 is respectively arranged.
Positive top 57 upper supports of centring spool 52 a compression spring 58, and this spring is attempted relative elevating lever 18 to pressing down centring spool 52.In the cylinder district 51 of centring spool 52 and the radial space between the shoulder hole 27, lay location ball 53 ', 54 '.These balls are positioned in the radial hole 68,69 on elevating lever 18 walls.
The narrow avris of saw blade bare terminal end 22 upper areas is centered in the bellmouth 33 of elevating lever 18 upper areas.The top of saw blade lug 49,50 is centered on the V-type groove 60 of lower end 59 of centring spool 52.The bottom of saw blade lug 49,50 (see saw blade from side direction, can only see a lug 49) is bearing on the inboard 46 ' of collar 46 of closing sleeve 21.Collar inboard 46 ' guarantees that saw blade 23 is clamped in the device 20 and can deviate from or drop downwards.For the operation that rotates, this closing sleeve 21 has a radially transmission link stopper 21 '.
Fig. 3 is the upward view of device 20, provides to have through hole structure 48, radial slot 47 and collar 46 and the closing sleeve 21 of transmission link stopper 21 ' radially.
The working method of device 20 is as follows: for unclamping saw blade 23, rotate closing sleeve 21 with respect to external thread section 26, meanwhile, owing to being spirally connected with external screw thread 26 closing sleeve is axially moved down.A predetermined application position, closing sleeve 21 can not be rotated further; In this position, draw-in groove 55,56 and radial hole 68,69 are concordant.
Along with moving axially of closing sleeve 21, saw blade 23 axially moves down.Owing to compress the effect of spring 58, centring spool 52 is with the saw blade motion in addition, and centering V-shaped groove 60 is bearing on the saw blade lug 49,50.At this moment, inclined-plane 53,54 and 53 ', the 54 ' contact of location ball are radially outwards passed ball.Simultaneously, the location ball 53 ', 54 ' of centring spool 52 enters in the draw-in groove 55,56.Because the effect of compression spring 58 is guaranteed to locate ball 53 ', 54 ' by centring spool 52 and is in this position.Because the effect of location ball 53 ', 54 ', closing sleeve 21 is stuck in its rotational position.Closing sleeve 21 can not turn back to its initial position, and this moment, the aperture position of its radial slot 47 was concordant with the plane of saw blade 23, can take out saw blade 23 easily downwards or under the prestressing force effect of compression spring 58 with saw blade 23 ejections.
For saw blade 23 is installed, the bare terminal end 22 of saw blade 23 is axially up inserted in the open-work 48 and radial slot 47 of closing sleeve 21.When the top and the centering V-shaped groove 60,61 of saw blade lug 49,50 contacts, centring spool 52 and saw blade 23 move on axially together and push compression spring 58.Location ball 53 ', 54 ' is decontroled on inclined-plane 53,54.Because the rotation of the effect of torsionspring 42 and the closing sleeve 21 that causes therefrom, during location ball 53 ', 54 ' sends back to space and radial hole 68,69 between centring spool 52 and the central stepped 27 from draw-in groove 55,56.At this moment, closing sleeve 21 is released, can be rotated further, and move on axial simultaneously.Thereby the lug 49,50 of radial slot 47 relative saw blades rotates, thereby 46 ' bottom axial and saw blade lug 49,50, the inboard of collar 46 contacts, and moves on continuing axially, centrally is positioned at bellmouth 33 until saw blade bare terminal end 22.Therefore saw blade 23 centerings and clamped can not come off from installing 20.
Fig. 4 provides a closing sleeve 121 that can rotate and work like that by the embodiment of Fig. 2 around elevating lever axle 119.Closing sleeve 121 has one by slide bar 129 drives, with the radially transmission link stopper 132 of closing sleeve 21 around axle 119 rotations.For this reason, slide bar 129 is with can mobile mode is fixed in the upper and lower rail plate 180,182 against the effect of the back-moving spring 184 that is made of stage clip.In this rail plate 180,182 and the immovably fixing unillustrated in the drawings gear-box of the back-moving spring 184 that constitutes by stage clip and/or extension spring.
Fig. 5 is a vertical view shown in Figure 4, wherein can be clear that closing sleeve 121, slide bar 129, transmission link stopper 132 and the back-moving spring 184 that is made of the compression spring.With dashed lines is schematically represented the sliding rail of slide bar 129.
Shown in Figure 6 is a closing sleeve 221, and elevating lever axle 219, transmission link stopper 332 and back-moving spring 284, this closing sleeve 221 can link to each other with back-moving spring 284 around the rib shape double armed lever 227 of balance staff 230 swings by one, and an arm of double armed lever is a button 228, and another is a push rod 229.Illustrate bearing 230 ' that draw, balance staff 230 to fix on the gear-box 214 of symbolic expression in the drawings.The action direction of operation arrow 185 expression operating personnel fingers.The swaying direction of motion arrow 287 expression closing sleeves 221 and push rod 229.
Fig. 7 provides a closing sleeve 221 in the vertical view mode, wherein dots the transmission link stopper 232 that is positioned at initial position.Transmission link stopper 232 when representing that with solid line being operated bar 227 drives the off-position.In addition, can know and see button 228, push rod 229 and balance staff 230 and bearing symbolic expression, that be positioned at the balance staff 230 on the gear-box 214.
Fig. 8 provides a closing sleeve 321, and itself and transmission link stopper 332 together can be around 319 swings of elevating lever axle, with unclamp or clamping figure in unillustrated saw blade.
332 that link to each other with the transmission link stopper, by the pull rope 325 that rotatably is fixedly supported upon roller 330, the 330 ' guiding on the casing as operating mechanism.Pull rope 327 is driven by a slide bar type button 329 that leads in casing 314 walls.
Shown in Figure 9 is the side view of closing sleeve 321, and wherein the highest line journey position of closing sleeve represents that with solid line its minimum travel position dots.Can be clear that thus pull rope 327 is because its flexible performance is caught up with closing sleeve 321 motions, thereby not need hinged.
The back-moving spring of a pull rope 327 can be set, but not be indispensable in above-mentioned situation.The effect of back-moving spring can realize by the reduction torsion spring (torsionspring 42 of correspondence among Fig. 2) of closing sleeve 321.But, can realize the longitudinal balance with the corresponding pull rope 327 of the lifting position of closing sleeve 321 easily, thereby based on its small longitudinal slot, the operation of pull rope is gratifying by an independent back-moving spring.
Figure 10 provides the carving hole saw 410 of a band gear-box 414.
With regard to direction of observation, stretch out one downwards from gear-box 414 and can in gear-box 414, make axially movable elevating lever 418 along its upper and lower bearing (not drawing the figure).This elevating lever 418 has a clamping device 420 that has closing sleeve 421 in its lower end, be used for clamping and centering saw blade 423.
As operate shown in the arrow 485, a vertically moving slide bar 429 can be upper and lower vertical mobile in the rail plate 480 on carving hole saw 410 gear-boxes 414.Slide bar 429 has a projection 430, and this projection is embedded into one and is arranged on the gear-box 414 and in the skewed slot 488 of the switch sleeve 489 of elevating lever axle 419 swings, and is blocked by this groove.This switch sleeve 489 links to each other with gear-box 414 through a unillustrated torsionspring spare, and with its transmission link stopper 490 that radially inwardly stretches out to the transmission link stopper 432 that radially outward stretches out on the closing sleeve 421 of mounting board saw blade 423.
Figure 11 provides saw blade 423 clamping devices 420 among Figure 10 along the sectional elevation of the A-A direction of arrow.Wherein can be clear that projection parts 430 (slide bar 429 and rail plate 480 do not draw), switch sleeve 489 and its transmission link stopper 490 of closing sleeve 421, its transmission link stopper 432, elevating lever axle 419, slide bar 429.
Shown in Figure 12 is the side view that has a switch sleeve 489 in the skewed slot 488 that is used for embedding projection 430.
When slide bar 429 moved down by the operation direction of arrow 485, switch sleeve 489 moved by motion arrow 486 with regard to a direction of observation left side.The transmission link stopper 490 of switch sleeve 489 contacts with the transmission link stopper 432 of closing sleeve 421, drives closing sleeve and moves by motion arrow 486.Thereby closing sleeve 421 turns to the off-position of unclamping saw blade 423.If unclamp slide bar 429, switch sleeve 489 turns back to initial position against motion arrow 486 directions under extension spring 484 effects, and by projection 430 slide bar 429 is moved up.
Figure 13 provides and has the radially diagrammatic bottom view or the vertical view of the closing sleeve 521 of transmission link stopper 532.Can be bearing on the transmission link stopper 532 at the projection 530 on the governor motion 589 of elevating lever axle 519 swings on the rail plate 581.This governor motion 589 has positive engaging tooth 592 (Stirnverzahnung) in closing sleeve 521 sides dorsad.With its engagement be the straight slide bar 529 anti-engaging tooths 594 (Gegenverzahnung) of rack structure, this straight slide bar can be pressed button 528 with hand and operate.Slide bar 529 can as operation arrow 585 move axially in the rail plate that is shown in 580,582.
When slide bar 529 moved along operation arrow 585 directions, governor motion 589 rotated around elevating lever axle 519.In addition, projection 530 drives radially transmission link stopper 532 and closing sleeve 521, turns to the saw blade off-position.
After unclamping slide bar 529, back-moving spring 584 makes governor motion 589 be with slide bar 529 to return its initial position together.Transmission link stopper 532 and closing sleeve 521 rest on its rotational position, unclamp till the arrestment mechanism shown in Figure 2 until insert saw blade.After this, closing sleeve 521 returns its clamped position.
Figure 14 is that another can and have a radially vertical view of the closing sleeve 621 of transmission link stopper 632 around 619 rotations of elevating lever axle.The projection 630 and the above-mentioned transmission link stopper 632 of governor motion 689 are oppositely arranged.Governor motion can be made guiding along rail plate 681 and move.The driving projection 696 of the straight slide bar 629 of band button 628 inserts in the governor motion 689.Straight slide bar moves axially in the fixedly rail plate 680,682 of unillustrated gear-box in the drawings.
Back-moving spring 684 is bearing between the bearing fixed part of unillustrated gear-box among slide bar 629 ends and the figure.When straight slide bar 629 moved axially, it drove governor motion 689 on the curve tracks at the driving projection on the straight rail 696, and meanwhile, governor motion makes radially by projection 630 that transmission link stopper 632 and closing sleeve 629 move to the off-position.During release button 628, back-moving spring 684 makes slide bar 629 return initial position.By driving projection 696, governor motion 689 is brought back to its initial position.
Shown in Figure 15 is to have closing sleeve 721 transmission link stopper 732 radially, that can rotate and move around elevating lever axle 719.Transmission link stopper 732 rests on the flange 730 of governor motion 789, and this governor motion is movably located in the curved rail plate 781.Governor motion 789 forms tooth bar in the side towards the observer.The tooth 789 ' of tooth bar is meshed with bevel gear 798, and this bevel gear and a spur gear 798 ' are to link together around the synchronous rotating manner of same rotating shaft.The rotating shaft of bevel gear 798 is fixedlyed connected with unillustrated gear-box among the figure.The tooth of spur gear is meshed with the tooth 729 ' that moves axially, also plays the tooth bar of slide bar 729 effects in sliding rail 780,782.Slide bar 729 has a button 728.Relative therewith, back-moving spring 784 is bearing in the free end of slide bar 729, and the other end of this back-moving spring is bearing on the gear-box 714 that schematically illustrates.
When slide bar 729 when the direction against the effect of back-moving spring 784 moves, bevel gear 798 and spur gear rotate around fixed rotating shaft together.Meanwhile, the moving governor motion of the cingulum of bevel gear moves along rail plate 781.By projection 730, transmission link stopper 732 and closing sleeve 721 are turned to the saw blade off-position together.
When decontroling slide bar 729, slide bar returns initial position under the effect of back-moving spring 784.Meanwhile, slide bar drives bevel gear 798 rotations.By described rotation, governor motion 789 also returns its initial position.For the gear ratio of spur gear 798 ', can select a gearratio or a speed reducing ratio that is particularly conducive to the closing sleeve 721 of operation with bevel gear 798.
In the embodiments of the invention that another is not described, closing sleeve has an inclined-plane, this inclined-plane is arranged on by slide bar and drives and be parallel in the tracks of the slide block that elevating lever moves, and slide bar moves and when promoting slide block, drives closing sleeve by this inclined-plane and rotate.
In all embodiment, can see that closing sleeve moves up and down with elevating lever, many stop positions are arranged thus, closing sleeve must contact with functional unit on these positions.
In addition, should be noted that closing sleeve can have different turned positions according to the saw blade thickness of selecting, equally must the operating of contacts component at the closing sleeve of these different turned positions.
In embodiments of the invention of not describing, closing sleeve has an inclined-plane that is arranged in the tracks that is parallel to the transmission link stopper that elevating lever moves, as the clinoplain in the tracks.When the transmission link stopper moves, contact with the inclined-plane of closing sleeve, and therefore drive the closing sleeve rotation.
Claims (10)
1, portable carving-hole sawing machine (10) has an elevating lever (18), and this elevating lever can be made guiding along its upper and lower bearing and move, and in its lower end a clamping device (20) that clamps saw blade (23) is arranged, and this clamping device has a closing sleeve (21; 121; 221; 321; 421; 521; 621; 721; 821), this closing sleeve has a collar that radially inwardly stretches out (46) in its free bottom, and this collar axially mounting also clamps the lug (49,50) of saw blade (23) bare terminal end (22) thus when clamped position, also is provided with closing sleeve (21; 121; 221; 321; 421; 521; 621; 721; 821) turn to the off-position, be fixed on the functional unit (27) on the casing, it is characterized in that described clamping device (20; 420) have closing sleeve (21; 121; 221; 321; 421; 521; 621; 721; 821; ) remain on saw blade (23) off-position and unclamp closing sleeve (21 once more by saw blade (23) is inserted clamping device (20) with respect to elevating lever (18); 121; 221; 321; 421; 521; 621; 721; 821) brake component (53 '; 54 '), thus functional unit (27) only closing sleeve (21 with synchro-meshing mode band on a direction of motion; 121; 221; 321; 421; 521; 621; 721; 821) move to the off-position from clamped position, that is to say, this functional unit is from off-position and closing sleeve (21; 121; 321; 421; 521; 621; 721; 821) break away from engagement and return its initial position voluntarily.
2, carving-hole sawing machine as claimed in claim 1 is characterized in that, adopts a slide bar (29) as rotating-operation member (27), and this slide bar drives closing sleeve (21 on its tracks; 121; 221; 321; 421; 521; 621; 721; 821) on one transmission link stopper (21 ') radially, and closing sleeve is rotated.
3, carving hole saw as claimed in claim 1 or 2 is characterized in that, slide bar (329) is connected with closing sleeve (321) by haulage gear (327), particularly pull rope.
4, carving-hole sawing machine as claimed in claim 3 is characterized in that, haulage gear one end that is made of pull rope (327) is wound on the closing sleeve (321), and the other end is fixed on the slide bar (329).
5, carving-hole sawing machine as claimed in claim 2, it is characterized in that, the mode that slide bar (429) moves can be parallel to elevating lever (418) is bearing on the housing, and with a projection (430) be embedded into one be arranged on the casing side, can be in the skewed slot (488) of (489) (particularly switch sleeve) of the governor motion that closing sleeve (421) rotates, thereby the mobile governor motion (489) that makes of slide bar (429) rotates, and drives closing sleeve (421).
6, carving-hole sawing machine as claimed in claim 5 is characterized in that, governor motion (489,589,689,789) is arranged on the ring-like guide rail in the mode that swings back and forth around closing sleeve (421,521,621,721).
7, carving-hole sawing machine as claimed in claim 2 is characterized in that, slide bar (529) is made of the tooth engagement of the tooth and the closing sleeve (521) of tooth bar tooth bar (529).
8, carving-hole sawing machine as claimed in claim 7, it is characterized in that, the governor motion (789) that is made of tooth bar is meshed with gear (798) on can be rotated to support on casing with its tooth (789 '), and this gear is coupled with the slide bar (729) that has tooth (729 ').
9, carving-hole sawing machine as claimed in claim 8 is characterized in that, gear (798) is gone up other tooth (729 ') actings in conjunction that constitute spur gear with bevel gear (798) form and slide bar (729).
10, carving-hole sawing machine as claimed in claim 1 is characterized in that, functional unit is made of rocking bar (27,227), this rocking bar free end and closing sleeve (21; 221) radial circumference contacts, and particularly collides closing sleeve (21; 221) radially transmission link stopper (21 '; 221 ').
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19521246.0 | 1995-06-10 | ||
| DE19521246A DE19521246B4 (en) | 1995-06-10 | 1995-06-10 | jigsaw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1142999A true CN1142999A (en) | 1997-02-19 |
| CN1069250C CN1069250C (en) | 2001-08-08 |
Family
ID=7764123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96108984A Expired - Lifetime CN1069250C (en) | 1995-06-10 | 1996-06-10 | Saw for caving hole |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH09103914A (en) |
| CN (1) | CN1069250C (en) |
| CH (1) | CH691221A5 (en) |
| DE (1) | DE19521246B4 (en) |
| GB (1) | GB2302060B (en) |
| IT (1) | IT1295693B1 (en) |
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| CN100346937C (en) * | 2002-02-09 | 2007-11-07 | 罗伯特·博施有限公司 | Manual saw machine |
| CN100453227C (en) * | 2006-12-15 | 2009-01-21 | 常州赛迪电气制造有限公司 | Saw blade fixture |
| CN100453226C (en) * | 2006-12-15 | 2009-01-21 | 常州赛迪电气制造有限公司 | Saw clamping device |
| CN102019464B (en) * | 2009-09-22 | 2013-03-27 | 苏州宝时得电动工具有限公司 | Cutting machine |
| CN111660149A (en) * | 2020-07-10 | 2020-09-15 | 湖北科技学院 | Grinding wheel clamping tool on automatic saw blade grinding machine |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7325315B2 (en) | 1995-06-09 | 2008-02-05 | Black & Decker Inc. | Clamping arrangement for receiving a saw blade in multiple orientations |
| US6944959B2 (en) | 1995-06-09 | 2005-09-20 | Black & Decker Inc. | Clamping arrangement for receiving a saw blade in multiple orientations |
| CH692779A5 (en) * | 1997-02-25 | 2002-10-31 | Scintilla Ag Direktion | Hand-held jigsaw machine. |
| GB2322593B (en) * | 1997-02-28 | 1999-05-05 | Bosch Gmbh Robert | Clamping mechanism for a power tool |
| DE19819530A1 (en) * | 1998-04-30 | 1999-11-04 | Scintilla Ag | Hand tool machine with quick action chuck for clamping tool |
| JP4004739B2 (en) * | 2001-01-19 | 2007-11-07 | 株式会社マキタ | Reciprocating saw |
| DE102005025934C5 (en) * | 2005-06-06 | 2020-10-22 | Mafell Ag | Electric jigsaw |
| DE102007059557A1 (en) * | 2007-12-11 | 2009-06-18 | Robert Bosch Gmbh | reciprocating saw |
| US8230607B2 (en) | 2008-05-09 | 2012-07-31 | Milwaukee Electric Tool Corporation | Keyless blade clamp for a power tool |
| CN109986133A (en) * | 2017-12-29 | 2019-07-09 | 喜利得股份公司 | Clamping device for saw |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3006299A1 (en) * | 1980-02-20 | 1981-08-27 | Robert Bosch Gmbh, 7000 Stuttgart | JIGSAW |
| DE3138793C2 (en) * | 1981-09-30 | 1983-11-24 | Johannes Dr. 4930 Detmold Kross | Machine tool to be operated by hand for reciprocating tools |
| DE3245420A1 (en) * | 1982-12-08 | 1984-06-14 | Robert Bosch Gmbh, 7000 Stuttgart | MOTORIZED JIGSAW |
| CN87205593U (en) * | 1987-04-07 | 1988-01-27 | 哈尔滨船舶工程学院 | Portable electrical scroll-saw |
| DE4138986A1 (en) * | 1991-11-27 | 1993-06-03 | Atlas Copco Elektrowerkzeuge | TENSIONING DEVICE FOR A JIG SAWING MACHINE |
| DE4311161A1 (en) * | 1993-04-05 | 1994-10-06 | Kress Elektrik Gmbh & Co | Quick clamping device for jigsaw blades |
-
1995
- 1995-06-10 DE DE19521246A patent/DE19521246B4/en not_active Expired - Lifetime
-
1996
- 1996-05-03 CH CH01123/96A patent/CH691221A5/en not_active IP Right Cessation
- 1996-05-24 IT IT96MI001058A patent/IT1295693B1/en active IP Right Grant
- 1996-06-03 JP JP8140456A patent/JPH09103914A/en not_active Abandoned
- 1996-06-05 GB GB9611658A patent/GB2302060B/en not_active Expired - Lifetime
- 1996-06-10 CN CN96108984A patent/CN1069250C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346937C (en) * | 2002-02-09 | 2007-11-07 | 罗伯特·博施有限公司 | Manual saw machine |
| CN100453227C (en) * | 2006-12-15 | 2009-01-21 | 常州赛迪电气制造有限公司 | Saw blade fixture |
| CN100453226C (en) * | 2006-12-15 | 2009-01-21 | 常州赛迪电气制造有限公司 | Saw clamping device |
| CN102019464B (en) * | 2009-09-22 | 2013-03-27 | 苏州宝时得电动工具有限公司 | Cutting machine |
| CN111660149A (en) * | 2020-07-10 | 2020-09-15 | 湖北科技学院 | Grinding wheel clamping tool on automatic saw blade grinding machine |
| CN111660149B (en) * | 2020-07-10 | 2024-05-24 | 湖北科技学院 | Grinding wheel clamping tool on automatic saw blade grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19521246A1 (en) | 1996-12-12 |
| GB2302060A (en) | 1997-01-08 |
| IT1295693B1 (en) | 1999-05-27 |
| ITMI961058A1 (en) | 1997-11-24 |
| GB2302060B (en) | 1997-07-16 |
| ITMI961058A0 (en) | 1996-05-24 |
| CH691221A5 (en) | 2001-05-31 |
| DE19521246B4 (en) | 2006-02-09 |
| CN1069250C (en) | 2001-08-08 |
| JPH09103914A (en) | 1997-04-22 |
| GB9611658D0 (en) | 1996-08-07 |
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