CN201175780Y - Minitype hole saw mandril device - Google Patents
Minitype hole saw mandril device Download PDFInfo
- Publication number
- CN201175780Y CN201175780Y CNU2007201866187U CN200720186618U CN201175780Y CN 201175780 Y CN201175780 Y CN 201175780Y CN U2007201866187 U CNU2007201866187 U CN U2007201866187U CN 200720186618 U CN200720186618 U CN 200720186618U CN 201175780 Y CN201175780 Y CN 201175780Y
- Authority
- CN
- China
- Prior art keywords
- hole saw
- roller bearing
- spindle unit
- main body
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
Disclosed is a hole saw spindle device with a spindle, the spindle is equipped with a first handle end portion, a main body and a second expanding end portion, the expanding end portion comprises a threaded rod for receiving the hole saw. A first element is fixed on the second end portion. The first element can axially slide on the second end portion. The first element further comprises a friction surface for contacting with the hole saw. The friction surface moves between a first contacting position and a second relieving position. A mechanical device on the spindle enables the friction surface to move between the first position and the second position.
Description
Technical field
This is novel to relate to a kind of hole saw, particularly relates to a kind of in order to receive the spindle unit of hole saw.
Background technology
Be provided with various types of hole saw spindle units in the prior art.This device is connected with quick release device, and purpose is promptly hole saw to be removed from spindle unit after use.Various types of mechanical devices have been used to hole saw is fixed on the spindle unit, and all these mechanical devices can both make hole saw remove.Some uses in these spindle units are coupled to pin or the analog in the pedestal of hole saw.During rotation and cutting, pin keeps hole saw to go up in position.Yet because hole saw is not rotated down near the threaded rod the axle collar, so pin can remove and hole saw can rotate and remove from threaded rod easily from the hole saw pedestal.
When using small diametered hole saw, the pedestal of hole saw does not comprise the hole that is used to receive pin on the spindle unit.This is the fact that can't aim at pin because the diameter of pedestal is too little.Simultaneously, in use, because the screw engagement of bar and small-sized hole saw, hole saw is rotated down on the axle collar of spindle unit.Thereby, need a kind of spanner or analog to be used for hole saw is unclamped so that hole saw is removed from spindle unit from arbor collar.Prior art does not provide a kind of small-sized hole saw axle, and it can allow the user with quick-moving speed hole saw be removed from spindle unit.Thus, need a kind of spindle unit, it can finish the quick release of small diametered hole saw.
Novel content
This novel technology that provides a kind of about the hole saw spindle unit, it can finish the quick release of small-sized hole saw from spindle unit.This novel hole saw spindle unit provides the rubbing surface near hole saw.This rubbing surface axially moves away from hole saw to the off-position.Hole-saw assemblies can make rubbing surface automatically turn back to its initial position.
According to this novel first aspect, a kind of hole saw spindle unit comprises the axle with main body, and this main body has the first end that is connected with the rig motor.The second end extends from main body.The second end comprises that threaded rod is in order to receive hole saw.The second end also comprises the hole that is used to receive guide's drill bit.First element is arranged on the second end.This first element axially moves on the second end.On first element friction surface is arranged.Thereby this friction surface is suitable for contacting hole saw is fixing in position with the base-plates surface of hole saw.Friction surface moves between first contact position and second off-position.Contiguous first element has mechanical device on the axle.This mechanical device is mobile friction surface between first and second positions.First element is biased to turn back to primary importance from its second place.Mechanical device further is included in rotatable second element on the second end.Second element is provided with bearing surface.At least one roller bearing is positioned between first and second elements.This roller bearing is on the bearing surface.Roller bearing has the elongate body that limits axis, and it has the substantial cylindrical surface that leans against on the bearing surface.The mobile roller bearing of the rotation of first or second element makes roller bearing move to the axis position at an angle in main body axis and hole from the position of the axis almost parallel in main body axis and hole, in turn, moves first element between first and second positions.Mechanical device comprises at least one seal and is used for roller bearing is remained on suitable locational framework.Roller bearing can be Eight characters bone (dog bone) shape.In addition, this roller bearing also can be a spheroid that has the bearing surface that comprises at least one groove, and simultaneously, first element can be fixed on the axle rotatably.
According to this novel second aspect, a kind of hole saw spindle unit comprises the axle with main body, and this main body has first end and the second end.First end is connected with the rig motor.The second end extends from main body.The second end comprises threaded rod and receives the hole of guide's drill bit.First element is positioned on the second end.First element can axially move on the second end.Second element is positioned on the second end of contiguous first element.Second element can rotate on the second end.Second element provides contact surface.At least one roller bearing extends between first and second elements.This at least one roller bearing contacts with the contact surface of second element.Roller bearing moves between first and second positions so that first element can axially move along the second end.When roller bearing was in its first position, first element was fixed, so that hole saw may be screwed on the threaded rod.Thereby hole saw is locked in use location on first element near first element with hole saw.When roller bearing moved to the second place, first element axially moved away from hole saw along the second end, so that hole saw can easily remove from threaded rod.Contiguous second element of one thrust bearing rotates with the basic friction free that second element is provided.One bias voltage mechanical device moves to its primary importance with roller bearing from its second place.One cover element can rotate on the second end.Thereby this cover is locked and second element together rotates.One frame element keeps bias voltage mechanical device and roller bearing in position.This framework comprises extending and refers to that first element comprises that protrusion refers to simultaneously, thereby between forms passage to receive first biased element and roller bearing is remained in the passage.Thereby this framework locks together when rotated with the cover element and together rotates with cover.Roller bearing has columniform basically surface so that the roller bearing motion to be provided.This cylindrical surface contacts with first and second elements.
According to this novel third aspect, a kind of hole saw spindle unit comprises the axle with main body, and this main body has the first end that is connected with the rig motor.The second end extends from main body.The second end comprises that threaded rod is to receive hole saw.First element is on the second end.First element can axially move on the second end.Second element is on main body.Second element provides contact surface.At least one roller bearing extends between first and second elements.This at least one roller bearing contacts with the contact surface of second element.This at least one roller bearing moves between first and second positions, so that first element can axially move along the second end.When at least one roller bearing was in its first position, first element was fixed so that hole saw may be screwed on the threaded rod, and near first element hole saw is fixed on the use location on first element.When at least one roller bearing moves to its second place, second element axially moves away from hole saw, so that hole saw can easily remove from threaded rod.The second end of axle rotates with respect to the axle main body.First element rotates with respect to the second end of axle.This at least one roller bearing is an Eight characters bone shape.
According to this novel fourth aspect, a kind of hole saw spindle unit comprises the axle with main body, and this main body has the first end that is connected with the rig motor.The second end extends from main body.The second end comprises that threaded rod is to receive hole saw.First element is on the second end.First element can not axially move on the second end.Second element can axially move on the axle main body.At least one roller bearing extends between first element and second element.This at least one roller bearing contacts with the contact surface of second element.At least one roller bearing moves between first and second positions, so that first element can axially move along the second end.When at least one roller bearing was in its first position, first element was fixed so that hole saw can be screwed on the threaded rod, and near first element hole saw is fixed on the use location on first element.When at least one roller bearing moves to its second place, first element axially moves away from hole saw, so that hole saw can easily remove from threaded rod.This at least one roller bearing is the ratchet with head and leg.This head comprises the eccentric cam surface.The axle main body comprises that otch is in order to receive the leg of ratchet.The axle main body comprises that aperture is in order to receive ratchet head.
According to this 5th novel aspect, a kind of hole saw spindle unit comprises the axle with main body, and this main body has the first end that is connected with the rig motor.The second end extends from main body.The second end comprises that threaded rod is to receive hole saw.First element is on the second end.First element axially moves on the second end.Second element can axially move on the axle main body.Be formed with groove on the axle main body.One pin is installed on second element.This dowelled joint axle groove.Pin moves between first and second positions, so that first element can axially move along the second end.When pin was in primary importance in the groove, first element was fixed, so that hole saw can be screwed on the threaded rod and be clamped on first element, hole saw is fixed on the use location on first element.When pin moved to the second place in the groove, first and second elements axially moved away from hole saw, so that hole saw can easily remove from threaded rod.Pin comprises the notch that engages with groove.Pin is biased in second element.
Other scopes of application clearly are provided from the description that provides here.The description and the specific embodiment that are to be understood that specification only are to illustrate rather than limit this novel scope for example.
Description of drawings
Accompanying drawing described herein only is for illustrative purposes rather than in order to limit this novel scope of disclosure by any way.
Fig. 1 is the perspective view that has the hole saw spindle unit of additional hole saw;
Fig. 2 is the partial section of hole-saw assemblies shown in Figure 1;
Fig. 3 is the view identical with Fig. 2, and assembly is in the second place;
Fig. 4 is the decomposition view of hole saw spindle unit among Fig. 1;
Fig. 5 is the sectional view of the additional embodiment of hole saw spindle unit;
Fig. 6 is in the second place with the similar view of Fig. 5;
Fig. 7 is the sectional view of the additional embodiment of hole saw spindle unit;
Fig. 8 is in the second place with the similar view of Fig. 7;
Fig. 9 is the sectional view of the additional embodiment of hole saw spindle unit;
Figure 10 is in the second place with the similar view of Fig. 9;
Figure 11 is the sectional view of the additional embodiment of hole saw spindle unit;
Figure 12 is in the second place with the similar view of Figure 11;
Figure 13 is the sectional view of the additional embodiment of hole saw spindle unit;
Figure 14 is in the second place with the similar view of Figure 13;
Figure 15 is along the sectional view of straight line 15-15 among Figure 13; And
Figure 16 and Figure 15 are similar, and wherein pin is in actuated position.
The specific embodiment
Below description in fact only be exemplary rather than restriction this novel open, use or use.
With reference to the accompanying drawings, the hole saw spindle unit that demonstrates is by Reference numeral 10 expressions.Hole saw spindle unit 10 comprises axle 12, the first axially movable element 14 and mechanical devices 16, and this mechanical device is used for first element 14 is moved between first and second positions.
Second of axle 12 is extended end 22 and is comprised first columnar portion 40 and threaded rod 42.Threaded rod 42 receives hole saw 45 in a kind of traditional mode.First columnar portion 40 comprises the flat surface 46 of a pair of reception first element 14.Matching with the surface of first element 14 in surface 46, thereby makes first element 14 extend axially slip on the end 22 in second of axle 12.Yet flat surface 46 is fixing with first element 14, makes it stop the rotation of extending end 22 around second of axle 12.
Second columnar portion 52 has circumferential groove 58, and it receives sealing O shape ring 60.Columnar portion 52 comprises a plurality of extension legs 62.Between leg 62, be formed with a plurality of passages 64.
The mechanical device 16 that is used for mobile first element 14 between first and second positions comprises the cover or the axle collar 66.Cover 66 has the overall cylindrical shape of band centre bore 68.The axle collar 66 comprises edge 70 at the one end, thereby this edge leans against on the shoulder 54 first element and mechanical device 16 are remained on the axle 12.The axle collar 66 comprises cylindrical surface 72, this surface limiting hole 68.Cylindrical surface 72 comprises the part 74 with flat surface 76, and when when axial cross section is observed, this flat surface limits polygonal shape, and as hexagon, this flat surface is locked together in hexagon packing ring 78 and framework 80.Simultaneously, the internal table face comprises the passage 82 that receives C-clamp 84.C-clamp 84 is positioned at second cylinder part, 26 back, so that first element 14 and mechanical device 16 are remained on the axle 12.
Thrust bearing 90 and packing ring 92 be positioned at hexagonal washer 78 below.Packing ring 92 is near the column part 26 of axle main body.Thrust bearing 90 can be needle roller ball bearing or similar bearing.Simultaneously, thrust bearing is made by low-friction material such as Te Fulong (Teflon).What thrust bearing 90 provided hexagonal washer 78 does not have frictional rotation substantially.
A plurality of roller bearings or pin 110 are preferably 3, are positioned in framework and refer between the 100 and first element leg 62, and be best as Fig. 2, shown in 3.Roller bearing 110 is sandwiched in leg 62 and refers between 100.Biased element 112 is positioned in the passage 64 as helical spring, turns back to its first initial position (Fig. 2) against roller bearing 110 and with first element 14 from the second place (Fig. 3) to keep referring to 100.
Roller bearing or pin 110 are made the hardness that is similar to ball bearing to have by metal material.The end of roller bearing pin 110 has substantial cylindrical or spherical surface 114.Surface 114 is oriented to the bearing surface 118 on the columnar portion 52 of the bearing surface 116 on the hexagonal washer 78 and first element 14.Simultaneously, roller bearing pin 110 comprises projection 120, and it is used to indicate the roller bearing pin in the axle collar 66.
In case use hole saw 45, and want it is removed from spindle unit 10, the axle collar 66 is just with respect to 18 rotations of axle main body.When the axle collar 66 rotations, hexagonal washer 78 and framework 80 together rotate with the axle collar 66.When this took place, roller surface 114 was rolled along the friction surface 116 of hexagonal washer 78 and the friction surface 118 of columnar portion 52 respectively, as shown in Figure 3.Simultaneously, spring 112 is compressed and first element 14 axially moves away from hole saw 45 along axle the second end 22, moves towards second columnar portion 26 of axle main body 18.When this took place, friction surface 122 moved away from hole saw 45.Like this, hole saw 45 can easily be rotated and be removed from threaded rod 42.Therefore, do not need spanner or instrument just hole saw 45 can be removed from spindle unit 10.
Hole saw be removed and the axle collar 66 on revolving force be released after, helical spring 112 expand into their original state in passage 64, thereby roller bearing 110 is pushed back their initial position.Like this, spindle unit 10 is just ready so that use in addition.
With reference to figure 5,6, demonstrate an additional embodiment.Spindle unit 210 comprises axle 212, the first elements 214, and rotating machinery device 216.
Axle 212 comprises first extension 220 and second extension 222 that serves as handle.Second extension 222 comprises threaded rod 242, and it has the hole 234 that extends through.Simultaneously, axle comprises main body 224.
Eight characters bone roller bearing 262 comprises an enemy 268, and it has similar above-mentioned surperficial 114 roller surface 270.Simultaneously, neck 274 links together two statures 268.The thickness of neck 274 is less than the thickness of two statures 268.In primary importance, Eight characters bone roller bearing 262 is in vertical position.Like this, hole saw 45 can be positioned on first element 214 and against its friction surface and frictionally clamp.For hole saw 45 is removed from spindle unit 210, rotary cover 260, roller bearing heads 268 rotations first element 214 in the aperture 276,278 of first element 214 and main body 224 successively.When this took place, Eight characters bone roller bearing 262 became with respect to vertical direction angled (as Fig. 6), first element 214 was axially moved, as shown in Figure 6 towards the main body 224 of axle 212.Therefore, hole saw 45 can easily be removed from threaded rod.
With reference to figure 7,8, it demonstrates an additional embodiment of hole saw 310.This embodiment is similar to second embodiment above-mentioned.
Axle 312 comprises the first end shank 320.Main body 318 for hollow and receive rotatable the second end 322.The hole 334 that the second end 322 comprises threaded rod 332 and fully extends through the second end 322.The second end 322 has overall cylindrical structural and can comprise the thrust bearing element, and this element is positioned in the hole 346 in the main body 318.This makes that the second end 322 can be with respect to requirement of main body 318 rotations.Preferably, the second end 322 and pin 332 can rotate between 15 ° and 25 °.
Spinner member 316 comprises the axle collar 360, Eight characters bone roller bearing 362 and Eight characters bone spring base 380.Eight characters bone spring base 380 comprises and refers to 384 recesses that cooperate 382 that this refers to extend from axle main body 318.Cooperate refer to 384 and recess 382 regularly Eight characters bone spring base 380 is positioned on the main body 318.Eight characters bone spring base 380 comprises 368 the aperture 386 that receives Eight characters bone roller bearing 362.Spring base 380 also comprises hole 390, and it receives spring 392 and returns its initial position to promote first element 314.Eight characters bone roller bearing 362 moves with same way as discussed above.Like this, when first element 314 rotated by the axle collar 360, Eight characters bone roller bearing 362 rotated in aperture and moves to the angle position from the upright position.When this took place, first element moved away from hole saw 45 and first element is moved towards Eight characters bone spring base 380.This makes hole saw 45 to remove from bar 332.
Fig. 9 and 10 has demonstrated an additional embodiment.Spindle unit 410 comprises axle 412, can move axially element 414, and mechanical device 416, and it is used to make first element 414 to move between first and second positions.
Similar among axle 412 fundamental sum Fig. 1 only increases by 400 with identical Reference numeral.Similarly, first element 414 basically with Fig. 1 in first element similar, only identical Reference numeral is increased by 400.
Mechanically moving device 416 comprises the cover or the axle collar 466, and this mechanical device is used to make first element 414 to move between first and second positions.Cover 466 has the overall columniform shape of band centre bore 468.The axle collar 466 has edge 470 at one end, it leans against on the shoulder 454, is used for first element 414 and mechanical device 416 are remained on the axle 412.The axle collar 466 comprises the surface, inside 472 that defines hole 468.Inner surface 472 comprises part 474, and this part comprises flat surface 476, and this flat surface limits polygonal shape, and as hexagon, when when axial cross section is observed, this flat surface is locked together in hexagonal washer 478.Simultaneously, the internal table face comprises passage 483, and this passage receives C-clamp 485.C-clamp 485 is positioned at packing ring 494 back, thereby first element 414 and mechanically moving device 416 are remained on the axle.
The thrust bearing 490 that comprises ball 492 is positioned between hexagonal washer 478 and the packing ring 494.Thrust bearing 490 is provided for the essentially no friction rotation of hexagonal washer 478.Be positioned in the passage 464 with biased element 112 similar biased elements 496, so that first element 414 returns its initial position.
The operation of spindle unit 410 is identical with the operation of spindle unit 10 basically.Here, when cover 466 was rotated, roller bearing 482 rolled in the groove 484.When this took place, first element 414 axially moved down along the second end of axle.This makes hole saw 45 to remove from bar 442.When power when the axle collar 466 discharges, refer to 480 and leg 462 between the spring 496 of bias voltage make first element 414 turn back to its initial position.
With reference to Figure 11 and 12, shown in the figure additional embodiment.Here, spindle unit 510 comprises axle 512, the first elements 514, and the mechanical device 516 that is used to make first element 514 to move between its first and second position.
Axle 512 comprises main body 518, pommel 520 and the second extension end 522 that comprises threaded rod 524.Main body 518 comprises the expansion columnar portion 528 with shank 520 consecutive first columnar portion 526 and contiguous bar 524.
The mechanically moving device 516 that is used for mobile first element 514 comprises the axle collar 532 and at least one preferred a plurality of ratchet 534.The axle collar 532 is biased around main body first columnar portion 526.The axle collar comprises that hole 536 is used to receive the leg 538 of ratchet 534.Ratchet 534 is pivotally secured in the aperture 540 in second columnar portion 528 of main body 518.Ratchet 534 comprises eccentric part 542.Simultaneously, first columnar portion 526 comprises otch 544, is used to receive the leg of ratchet 534.
In operation, the downside of eccentric part 542 contacts first element 514 of ratchet.Correspondingly, hole saw is fixed for 45 this moments.After hole saw used, for ratchet 534 is moved to the second place from primary importance, the pulling axle collar 532 was away from first element 514.When this took place, the leg 538 of ratchet 534 removed from aperture 544, so ratchet 534 rotates in the aperture 540 of second columnar portion 528 of main body 518.When this took place, eccentric part 542 moved away from first element 514 and rotates in aperture 540.Because the head of ratchet 534 resembles a cam with eccentric surface, so they roll in aperture 540.Like this, eccentric part 542 rolls and first element 514 disengages, so that it can move towards second columnar portion 528 of main body 518.At this moment, thus hole saw 45 separately can easily remove from first element 514.Spring 550 makes the axle collar 532 and ratchet 534 turn back to their initial position.
With reference to figure 13-16, demonstrating among the figure is an additional spindle unit 610.Spindle unit 610 comprises axle 612, the first elements 614, and mechanical device 616, and this mechanical device is used to make first element 614 to move between first and second positions.Axle comprises main body 618, and it has the axial region 620 of extension and second extension 622.Second extension 622 comprises threaded rod 624.Simultaneously, second extension 622 comprises flat surface 626, so that stop the rotation of first element 614 on second extending element 622.
Mechanically moving device 616 comprises ring-type element 640 and actuation element 642.Be formed with spiral 644 on the main body 618 of axle 612.Ring-type element 640 comprises circular port 646, and this hole makes ring-type element 640 to rotate on axle main body 618.Activating pin 642 is installed in the hole in the ring-type element 640.Activate pin 642 in ring-type element 640 biased thereby it between first and second positions, move.In primary importance, the part of pin 650 contacts with the helicla flute 644 of main body 618.When this took place, ring-type element 640 was near first element 614.Ring-type element 640 firmly is positioned on the axis direction.When actuating pin 642 moved to the second place, the otch 652 on the pin 642 cooperated with the helicla flute 644 of cylinder 618.This makes ring-type element 640 can rotate away from first element 614 and hole saw 45.When this took place, first element 614 and second element 616 that lean against on the ring-type element 640 moved away from hole saw 45.Like this, this moment, hole saw 45 can easily remove from spindle unit.
This novel specification in fact only is exemplary, and the various variations that therefore do not break away from this novel essence all will drop in the novel scope.This variation should not be considered to break away from this novel design and scope.
Claims (28)
1, a kind of hole saw spindle unit is characterized in that, comprising:
Axle with main body, main body have and are used for the first end that is connected with the rig motor, and from the second end that described main body is extended, described the second end comprises the screw thread that is used to receive hole saw;
First element on described the second end, described first element axially move on described the second end;
Friction surface on described first element, described friction surface are applicable to the base-plates surface on the contact hole saw, so that hole saw is fixed in place, described friction surface moves between first contact and second off-position; And
The mechanical device of contiguous described first element on described axle is used for moving described friction surface between described first and second positions.
2, spindle unit according to claim 1 is characterized in that, described first element is biased to turn back to its primary importance from its second place.
3, spindle unit according to claim 1 is characterized in that, described mechanical device further is included in second element that rotates on the described the second end, and described second element provides bearing surface.
4, spindle unit according to claim 3 comprises that further at least one is positioned at the roller bearing between described first and second elements, and described roller bearing is on described bearing surface.
5, spindle unit according to claim 4, it is characterized in that, described roller bearing has the elongate body that limits axis and have the substantial cylindrical surface that leans against on the described bearing surface, wherein said first or the rotation of second element described roller bearing is moved, so that described roller bearing moves to described elongate body axis with respect to the angled position of described axially bored line from the position that described elongate body axis is roughly parallel to described axially bored line, make described first element between described first and second positions, move successively.
6, spindle unit according to claim 1 is characterized in that, described mechanical device comprises at least one seal.
7, spindle unit according to claim 4 is characterized in that, described mechanical device further comprises and being used for described at least one roller bearing maintenance framework in position.
8, spindle unit according to claim 5 is characterized in that, described roller bearing has Eight characters bone shape.
9, spindle unit according to claim 4 is characterized in that, described at least one roller bearing is a spheroid, and described bearing surface has at least one groove.
10, spindle unit according to claim 1 is characterized in that, described first element is fixed with being rotated.
11, a kind of hole saw spindle unit is characterized in that, comprising:
Axle with main body, main body have and are used for the first end that is connected with the rig motor, and from the second end that described main body is extended, described the second end comprises the screw thread that is used to receive hole saw;
First element on described the second end, described first element axially move on described the second end;
Second element on described the second end, described second element rotates on described the second end, and described second element provides contact surface; And
At least one roller bearing that between described first element and second element, extends, described at least one roller bearing contacts with the contact surface of described second element, described at least one roller bearing moves between first and second positions, be used to make described first element axially to move along described the second end, wherein when described at least one elongated roller bearing is in its first position, described first element is fixed, therefore hole saw can be screwed on the described screw thread and near described first element, described hole saw is fixed on use location on described first element, when described at least one roller bearing moves to its second place, described first element axially moves away from hole saw, makes described hole saw easily to remove from described screw thread.
12, spindle unit according to claim 11 further comprises the bearing element that is close to described second element, is used to provide the rotation of friction free basically of described second element.
13, spindle unit according to claim 11 further comprises the first bias voltage mechanical device, is used for described at least one roller bearing is moved to described primary importance from the described second place.
14, spindle unit according to claim 11 further comprises the cover element, and it is used for and described second element rotation in described the second end rotation and sealed.
15, spindle unit according to claim 13 further comprises the frame element that is used to keep described bias voltage mechanical device.
16, spindle unit according to claim 15 is characterized in that, described framework comprises that extension refers to that described first element comprises that the protrusion that forms passage refers to, is used to receive described bias voltage mechanical device.
17, spindle unit according to claim 11 is characterized in that, described at least one roller bearing has Eight characters bone shape.
18, a kind of hole saw spindle unit is characterized in that, comprising:
Axle with main body, main body have and are used for the first end that is connected with the rig motor, and from the second end that described main body is extended, described the second end comprises the screw thread that is used to receive hole saw;
First element on described the second end, described first element axially move on described the second end;
Second element on the described main body, described second element provides contact surface; And
At least one roller bearing that between described first element and second element, extends, described at least one roller bearing contacts with the contact surface of described second element, described at least one roller bearing moves between first and second positions, be used to make described first element axially to move along described the second end, wherein when described at least one roller bearing is in its first position, described first element is fixed, therefore hole saw can be screwed on the described screw thread and near described first element, described hole saw is fixed on use location on described first element, when described at least one elongated roller bearing moves to its second place, described first element axially moves away from hole saw, makes described hole saw easily to remove from described screw thread.
19, spindle unit according to claim 18 is characterized in that, described axle the second end rotates with respect to described axle main body.
20, spindle unit according to claim 18 is characterized in that, described first element rotates with respect to described axle the second end.
21, spindle unit according to claim 18 is characterized in that, described at least one roller bearing is an Eight characters bone shape.
22, a kind of hole saw spindle unit is characterized in that, comprising:
Axle with main body, main body have and are used for the first end that is connected with the rig motor, and from the second end that described main body is extended, described the second end comprises the screw thread that is used to receive hole saw;
First element on described the second end, described first element axially move on described the second end;
Axially movable second element on described axle main body; And
At least one roller bearing that between described first and second elements, extends, described at least one roller bearing contacts with the contact surface of described second element, described at least one roller bearing moves between first and second positions, be used to make described first element axially to move along described the second end, wherein when described at least one roller bearing is in its first position, described first element is fixed, therefore hole saw can be screwed on the described screw thread and near described first element, described hole saw is fixed on use location on described first element, when described at least one roller bearing moves to its second place, described first element axially moves away from hole saw, makes described hole saw easily to remove from described screw thread.
23, spindle unit according to claim 22 is characterized in that, described at least one roller bearing is the ratchet that has head and leg, and described head comprises the eccentric cam surface.
24, spindle unit according to claim 22 is characterized in that, described axle main body comprises the otch of the described leg that is used to receive described ratchet.
25, spindle unit according to claim 22 is characterized in that, described axle main body comprises the aperture that is used to receive described ratchet head.
26, a kind of hole saw spindle unit is characterized in that, comprising:
Axle with main body, main body have and are used for the first end that is connected with the rig motor, and from the second end that described main body is extended, described the second end comprises the screw thread that is used to receive hole saw;
First element on described the second end, described first element axially move on described the second end;
Axially movable second element on described axle main body;
Groove in described axle main body; And
Be installed to the pin on described second element, the described axle groove of described dowelled joint, pin moves between first and second positions, be used to make described first element axially to move along described the second end, wherein during the primary importance in described pin is in its described groove, described first element is fixed, therefore hole saw can be screwed on the described screw thread and be clamped on described first element, described hole saw is fixed on use location on described first element, during the second place in described pin moves to its described groove, described first and second elements axially move away from hole saw, make described hole saw easily to remove from described screw thread.
27, spindle unit according to claim 26 is characterized in that, described pin comprises notch portion.
28, spindle unit according to claim 26 is characterized in that, described pin is biased in described second element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201866187U CN201175780Y (en) | 2007-11-16 | 2007-11-16 | Minitype hole saw mandril device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201866187U CN201175780Y (en) | 2007-11-16 | 2007-11-16 | Minitype hole saw mandril device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201175780Y true CN201175780Y (en) | 2009-01-07 |
Family
ID=40215796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201866187U Expired - Fee Related CN201175780Y (en) | 2007-11-16 | 2007-11-16 | Minitype hole saw mandril device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201175780Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103534053A (en) * | 2011-03-08 | 2014-01-22 | 注入品牌公司 | Dual blade hole saw |
| CN106424857A (en) * | 2015-08-12 | 2017-02-22 | 慈溪光华实业有限公司 | Hole opener module |
| CN109890544A (en) * | 2016-11-08 | 2019-06-14 | 孔锯动力有限责任公司 | Quick release hole saw |
-
2007
- 2007-11-16 CN CNU2007201866187U patent/CN201175780Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103534053A (en) * | 2011-03-08 | 2014-01-22 | 注入品牌公司 | Dual blade hole saw |
| CN106424857A (en) * | 2015-08-12 | 2017-02-22 | 慈溪光华实业有限公司 | Hole opener module |
| CN106424857B (en) * | 2015-08-12 | 2018-09-11 | 慈溪光华实业有限公司 | Trepanning device assembly |
| CN109890544A (en) * | 2016-11-08 | 2019-06-14 | 孔锯动力有限责任公司 | Quick release hole saw |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1923161B1 (en) | Holesaw mandrel assembly | |
| US5366326A (en) | Hole saw guide | |
| CN204431162U (en) | Torsion screwdriver | |
| US20030143041A1 (en) | Portable drill press | |
| KR101803542B1 (en) | Drill bit for drilling depth adjustment | |
| CN201175780Y (en) | Minitype hole saw mandril device | |
| US20150343621A1 (en) | Wrench easily adjustable in torque | |
| US7484442B1 (en) | Torque adjustable screwdriver having a torque indicator | |
| CN112405413A (en) | Preset torque wrench | |
| CN201960148U (en) | Universal tap chuck | |
| TWI739200B (en) | Torsion structure | |
| CN200988134Y (en) | Adjustable rotary curve rolling device | |
| CA2540717A1 (en) | Portable drill press | |
| US2933963A (en) | Multiple bit tool | |
| CN204747549U (en) | Drilling machine clamp | |
| US20140360319A1 (en) | Hand tool | |
| US7874233B1 (en) | Adaptor tool assembly | |
| DE202005007430U1 (en) | Thread rolling device, comprising several individually rotating drums attached to head of tool | |
| CN211615414U (en) | But maintenance device that speed reducer was adjusted with multi-angle | |
| US2633042A (en) | Rotary impact tool with longitudinal delivering means | |
| US10179358B2 (en) | Rotary pipe sizing tool | |
| TWI623389B (en) | Slider structure | |
| CN201316969Y (en) | Turning structure of porous wrench | |
| TWI749779B (en) | Inner hole grinding device | |
| CN206702366U (en) | A kind of tight silk instrument of wire cutting machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20101116 |