CN1250367C - Chuck assembly and combination of chuck assembly and tool or tool holder - Google Patents
Chuck assembly and combination of chuck assembly and tool or tool holder Download PDFInfo
- Publication number
- CN1250367C CN1250367C CN 00808066 CN00808066A CN1250367C CN 1250367 C CN1250367 C CN 1250367C CN 00808066 CN00808066 CN 00808066 CN 00808066 A CN00808066 A CN 00808066A CN 1250367 C CN1250367 C CN 1250367C
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- Prior art keywords
- centre bore
- instrument
- chuck body
- hole
- cutter holder
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims description 13
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 abstract 2
- 210000000078 claw Anatomy 0.000 abstract 1
- 210000000038 chest Anatomy 0.000 description 18
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
- B23B31/1238—Jaws movement actuated by a nut with conical screw-thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B31/1071—Retention by balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/38—Keyless chucks for hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/44—Nose pieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Harvester Elements (AREA)
- Drilling Tools (AREA)
Abstract
A chuck apparatus, comprising: a chuck body having an outer end, a periphery and a central bore; the chuck body is provided with a claw receiving groove which is communicated with the central hole; a jaw movable axially and radially received in the axially extending slot; a moving means for moving the jaw against the shank of the tool or tool holder in the central bore; each aperture in the chuck body is located between two slots and extends from the periphery of the chuck body to an opening to the central aperture; the diameter of the opening is smaller than the diameter of the hole; at least one latch in each hole; a resilient biasing means for resiliently biasing the latch towards the central aperture; a drive structure in the central bore for mating with a mating drive structure on a shank of a tool or toolholder received in the central bore of the chuck body. And to a chuck assembly and tool or toolholder assembly.
Description
Background of invention
1. invention field
The present invention relates to a kind of snap-in chuck and biting instrument or be used for the cutter holder of this snap-in chuck.More specifically, the present invention is meant a kind of snap-in chuck, this device has and is used for beginning catching or the front end that moves axially or rotate of releasing tool or cutter holder, this instrument (tool) or cutter holder (tool holder) are contained in the chuck assembly, the present invention also is meant a kind of instrument, this instrument has bar, drill bit, screwdriver, Karen Phillips screwdriver or other instruments or tool construction, or the bar outer end and at the spline structure of the inner.The invention still further relates to a kind of tool drives system that is used for this chuck, it comprises the plug that is contained in the interior bore portion; Prevent the structure that plug rotates relative to chuck; Be used for structure on the plug of engagement tool and cutter holder; With make the mechanism that instrument or cutter holder can not relative plug axially-movable.
2. the description of prior art
Many instruments that are installed in the chuck assembly have been proposed up to now.
The example of the dissimilar chuck assembly of previously presented phase Sihe and instrument and cutter holder is disclosed in the following dissimilar U. S. application of Sihe mutually:
The U.S. Patent number patentee
2728365 Austin
2807473 Kiehne
3945653 Falche
4188041 Soderberg
4199160 Bent
4209182 Sheldon
4692073 Martindell
4900202 Wienhold
5013194 Wienhold
5193824 Salpaka
5417527 Wienhold
People such as 5458445 Bader
5464229 Salpaka
People such as 5465983 Owens
5470180 Jore
People such as 5674031 Bilz
5921562 Robison
5951026 Hamam, people such as Jr.
People such as 5984596 Fehrle
People such as 5975815 Zierpka
Technical scheme
According to the present invention, a kind of chuck assembly is provided, it comprises: a chuck body, it has an outer end, a periphery and a centre bore that passes the chuck body extension along central shaft to small part; The common axially extended pawl receiving slit that chuck body also has three spacings to equate substantially, groove leads on the centre bore; Be used for chuck assembly is installed to the erecting device of axle on the outer end of a driving mechanism; Three can be axially and the pawl of radial motion, and they are contained in extending axially in the groove separately; Mobile device is used for moving jaws to be against the instrument that is contained in the centre bore or the bar of cutter holder; The hole that extends internally that has three spacings to equate substantially in the described chuck body, each hole in described chuck body is between two described common axially extended grooves, and each hole that extends internally extends on the opening that leads to described centre bore from described chuck body periphery; The diameter of described opening is less than the diameter in the described hole that extends internally; In extending internally the hole, each has a snap close at least; The elastic biasing arrangement that links to each other with hole that each extends internally is used for flexibly described snap close bias voltage to described centre bore; Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the supporting drives structure on the bar of cutter holder cooperate; Described thus chuck assembly applies rotating drive can for instrument or cutter holder; Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl or snap close or both with limit the cooperating of bar of instrument or cutter holder.
According to the sub-assembly that the invention provides a kind of chuck assembly and instrument or cutter holder, described chuck assembly comprises: a chuck body, it has an outer end, a periphery and a centre bore that passes the chuck body extension along central shaft to small part.The common axially extended pawl receiving slit that chuck body also has three spacings to equate substantially, groove leads on the centre bore, and the erecting device of axle on the outer end that chuck assembly is installed to a driving mechanism arranged.Three can be axially and the pawl of radial motion, and they are contained in extending axially in the groove separately.One is used for moving jaws and is against the instrument that is contained in the centre bore or the mobile device of cutter holder bar.Chuck body has at least one through hole that extends internally, and in the chuck body of this through hole between two axially extended grooves, through hole extends inward on the opening that leads to centre bore from the chuck body periphery.The diameter of opening has a ball or snap close at least less than the diameter of through hole in through hole.With the elastic biasing arrangement that described through hole links to each other, be used for flexibly described ball or snap close bias voltage to described centre bore; Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate; Described instrument or cutter holder have a band to cooperate the bar of drives structure; Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of described supporting drives structure; And thus, by cooperating of described pawl and described bar or cooperating or, forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder by described ball or snap close and described bar by these two kinds of cooperations.
According to the invention provides a kind of chuck assembly that is used on instrument or the cutter holder, this instrument or cutter holder have a bar, a cannelure and drives structure are arranged on the bar, chuck assembly comprises: a chuck body, and it has an outer end, a periphery and a centre bore that passes described chuck extension along central shaft to small part; The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore; Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism; Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately; Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder; Described chuck body has at least one through hole that extends internally, and in the chuck body of described through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery; The diameter of described opening is less than the diameter of described through hole; In described through hole, have a ball or snap close at least; With the elastic biasing arrangement that described through hole links to each other, be used for flexibly described ball or snap close bias voltage to described centre bore; Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate; Described thus chuck assembly can be by described cooperation the cooperation of drives structure, apply rotating drive for instrument or cutter holder; And thus, by cooperating of described pawl and described bar or cooperating or, forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder by described ball or snap close and described bar by these two kinds of cooperations.
According to the invention provides a kind of chuck assembly, comprising: a chuck body, it has an outer end, a periphery and a centre bore that passes described chuck body extension along central shaft to small part; The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore; Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism; Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately; Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder; Described chuck body has at least one through hole that extends internally, and in the described chuck body of this through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery; The diameter of described opening is less than the diameter of described through hole; In described through hole, has a snap close at least; Propulsion plant is used for pushing described at least one snap close to described centre bore; The axle in discharging described at least one snap close and being contained in described centre bore or the device that cooperates of bar; A front end axle collar, be used for rotating the described outer end and the described propulsion plant of described chuck body, the described front end axle collar comprises a cylindrical wall in the cylindrical cavity, cylinder cavity is in the described front end axle collar, described releasing device has one or more cavitys or groove on described cylindrical wall, align with described at least one through hole in its structure and position, this through hole comprises described at least one snap close, like this, according to the rotation of the described front end axle collar, allows interior described at least one snap close of described at least one through hole to leave described opening and enter in the described groove; Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate; Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of the described drives structure that matches; Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl or snap close or both with limit the cooperating of bar of instrument or cutter holder.
According to the invention provides a kind of chuck assembly, comprising: a chuck body, it has an outer end, a periphery and a centre bore that passes described chuck body extension along central shaft to small part; The common axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore; Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism; Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately; Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder; Described chuck body has at least one through hole that extends internally, and in the described chuck body of this through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery; The diameter of described opening is less than the diameter of described through hole; In described through hole, has a snap close at least; Propulsion plant is used for pushing described at least one snap close to described centre bore; The axle in discharging described at least one snap close and being contained in described centre bore or the device that cooperates of bar; A front end axle collar, be installed on the outer end of described chuck body, be used for respect to first cylindrical wall in the cylindrical cavity in the axially-movable of described chuck body outer end and described propulsion plant-comprise-described front end axle collar, its diameter substantially diameter with the described periphery of the outer end of described chuck body is identical, releasing device comprises second cylindrical wall of a diameter greater than the peripheral diameter of described outer end, the second cylindrical wall position at least one passage region is determined in the axially-movable of the front end axle collar thus, so that allow described at least one snap close laterally outwards to leave the opening of at least one path and enter described centre bore; Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate; Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of the described drives structure that matches; Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl and described bar cooperate or described at least one snap close cooperates with described bar in being contained in centre bore or these two kinds of cooperations that all have limit.
Description of drawings
Fig. 1 is the local longitudinal side cutaway view according to an example of a kind of chuck assembly structure of the present invention.
Fig. 2 is the partial side view along the chuck of the 2-2 line among Fig. 1.
Fig. 3 is and the vertical plane of similar chuck shown in Figure 1 that this chuck has the outer end or the front end snap ring that rotate 90 °.
Fig. 4 is that front end snap ring among Fig. 3 is along the sectional view of 4-4 line.
Fig. 5 is a vertical plane according to the embodiment of drilling hole type instrument of the present invention.
Fig. 6 is another vertical plane according to the embodiment of screwdriver type instrument of the present invention.
Fig. 7 is the vertical plane according to an embodiment of a kind of cutter holder of the present invention.
Fig. 8 is the longitudinal section of the distortion chuck body of second embodiment of the chuck assembly of instruction according to the present invention, longitudinal section with half front end axle collar of chuck assembly, this front end axle collar is used for making the locking snap close (ball) of the center hex hole of chuck assembly radially to move in or out, and also shows the axle collar and makes snap close/ball remain on an inwardly position of locking.
Fig. 9 is the longitudinal section of chuck assembly shown in Figure 9, and the outside axially movable front end axle collar is shown, and for snap close/ball being placed on a unrestricted position, the snap close/ball in this position can radially outwards move from the center hex hole.
Figure 10 is vertical partial section of the chuck body of the 3rd embodiment of the chuck assembly of instruction according to the present invention, and show at the snap close/ball in the elongated hole and this cannelure of elongated hole scope radially radially, and have one the biasing spring of snap close/ball bias voltage to the splint collar in chuck hole, center.
Figure 11 is disclosed herein in inside or vertical side view of the chuck body of an embodiment of the chuck assembly that disconnects of bottom, with the spline zone that chuck hole, center is shown and the threaded portion in chuck hole.
Figure 12 is the longitdinal cross-section diagram of the 4th embodiment of chuck assembly of the present invention, and illustrate with Figure 10 in the similar chuck body of chuck body on the front end axle collar, be used for the side opening that aligns with radially elongated hole on the chuck body having on the front end axle collar.
Figure 13 is the end-view of the chuck body of the 4th embodiment, and be illustrated on three angles of hexagonal hole three pawls and on other three angles of hexagonal hole three snap close/balls between pawl.
Figure 14 is the plane of the instrument of instruction according to the present invention, and this instrument has a smooth shaft, in the inner of bar spline structure is arranged.
Figure 15 is the plane of the instrument of instruction according to the present invention, and this instrument has a smooth shaft, and cannelure is arranged on the bar, and in the inner spline structure is arranged.
Figure 16 is the plane of another instrument of instruction according to the present invention, and this instrument has a bar, a hexagon part is arranged on the bar, on the hexagon part cannelure is arranged, and in the inner spline structure is arranged.
Figure 17 is the decomposition diagram of an embodiment of tool drives of the present invention system, and this system is relevant with chuck and comprise plug, chuck, cutter holder and an instrument.
Figure 18 is the bottom perspective view along the 18-18 line of the instrument shown in Figure 17.
Figure 19 is the external end view along the 19-19 line of the cutter holder shown in Figure 17.
Figure 20 is the inside end view along the 20-20 line of the cutter holder shown in Figure 17.
Figure 21 is the inside end view along the 21-21 line of the chuck shown in Figure 17.
Figure 22 is the decomposition diagram of another embodiment of tool drives of the present invention system, and comprises a plug, a chuck, a cutter holder and an instrument.
Figure 23 is the bottom perspective view along the 23-23 line of the instrument shown in Figure 22.
Figure 24 is the external end view along the 24-24 line of the cutter holder shown in Figure 22.
Figure 25 is the inside end view along the 25-25 line of the cutter holder shown in Figure 22.
Figure 26 is the inside end view along the 26-26 line of the chuck shown in Figure 22.
Figure 27 is the upper end view along the 27-27 line of the plug shown in Figure 22.
Figure 28 is the upper end view along the 28-28 line of the plug shown in Figure 22.
Figure 29 is the outer end view of the chuck shown in Figure 28, and the upper end of bore portion does not have middle spline part in being illustrated in.
Figure 30 is the outer end view of the chuck of the 30-30 along the line shown in Figure 17 and 22, in the upper end of the interior bore portion of chuck a spline structure is arranged.
Figure 31 is the enlarged drawing of the part chuck of deciding what is right and what is wrong, and breaking part demonstrates the middle splined section of the upper end of threaded interior hole part and interior bore portion.
Figure 32 is the decomposition diagram of another embodiment of the tool drives of the present invention system of threaded plug.
Figure 33 is the bottom perspective view along the 33-33 line of the instrument shown in Figure 32.
Figure 34 is the external end view along the 34-34 line of the cutter holder shown in Figure 32.
Figure 35 is the inside end view along the 35-35 line of the cutter holder shown in Figure 32.
Figure 36 is the inside end view along the 36-36 line of the chuck shown in Figure 32, and chuck does not have middle splined section.
Figure 37 is the inside end view along the 37-37 line of the plug shown in Figure 32.
Figure 38 is the external end view along the 38-38 line of the plug shown in Figure 32.
Figure 39 is the decomposition diagram of another embodiment of tool drives of the present invention system, and this system comprises plug, chuck, cutter holder and an instrument.
Figure 40 is the vertical cross-section diagram of the plug shown in Figure 39.
Figure 41 is the inside end view along the 41-41 line of the tool bar shown in Figure 39.
Figure 42 is the external end view along the 42-42 line of the cutter holder shown in Figure 39.
Figure 43 is the inside end view along the 43-43 line of the cutter holder shown in Figure 39.
Figure 44 is the inside end view along the 4-43 line of the chuck shown in Figure 39.
Figure 45 is the exploded view of another embodiment of drive system of the present invention, and this system comprises plug, chuck, cutter holder and an instrument.
Figure 46 is the external end view along the 46-46 line of the cutter holder shown in Figure 45.
Figure 47 is the end-view along the 47-47 line of the screw that Alan's head is arranged shown in Figure 45.
Figure 48 is the inside end view of cutter holder shown in Figure 45 along the 48-48 line.
Figure 49 is the bottom perspective view of plug shown in Figure 45 along the 49-49 line.
Figure 50 is the upper end view of plug shown in Figure 45 along the 50-50 line.
Figure 51 is the bottom perspective view of chuck shown in Figure 45 along the 51-51 line.
The description of most preferred embodiment
Now in more detail with reference to the accompanying drawings, Fig. 1 illustrates the longitudinal side view according to an embodiment of chuck assembly 10 of the present invention.Chuck assembly 10 comprises chuck body 12 and at least three pawls 14, and one of them pawl shown in Fig. 1, pawl chuck body 12 relatively axially and move radially enter and leave chuck hub hex hole 16.Sleeve 18 is installed on the chuck body 12, and it can rotate on chuck body 12, is used for making pawl 14 turnover centre bores 16.
Chuck body 12 comprises an outer end 22, at least one is wherein arranged and be preferably three radially thorax hole 24, and thorax hole 24 is passed outer end 22 and extended and lead to centre bore 16, and centre bore 16 has a diameter specific diameter to the little opening 26 in thorax hole 24.Ball 28 is similar to bearing ball, is contained in each radial hole 24, and is resisted against the inwall 30 of the cylindrical cavity 32 in the front end axle collar 34.In order to obtain such effect, outer end 22 has the surface diameter of minimizing mostly, and so radially the length in thorax hole 24 is less than the ball in thorax hole 24 28 or another kind of ball or other distance piece.
As shown in the figure, the hexagonal transverse cross section of centre bore 16 is limited on the zone in thorax hole 24 radially.
As Fig. 1, shown in 2 and 4, the front end axle collar 34 has two grooves that separate or dimple 36, makes the user can catch the axle collar 34 to make it change 90.
In Fig. 3 and 4, the cavity 32 in the front end axle collar 34 has three grooves 38, and each other at a distance of 120 location, one of them groove location is from 90 of one of outer grooves 36 rotationally for they.The place, perhaps with one of outer grooves 36 point-blank.
In use, the operator inserts the bar engagement that centre bore 16 interior also rotational sleeves 18 make pawl 14 and instrument 42 with the bar or the axle of conventional instrument or special shape instrument 42 (Fig. 5).
Alternatively, according to instruction of the present invention, the operator can be with in F-SP instrument 42 patchholes 16.The bar 44 of instrument 42 has the hexagonal transverse cross section that cooperates with center hex hole 16 so.Instrument 42 has Phillips head of screw 46 and a cannelure 48, when the front end axle collar 34 during in position shown in Figure 3, can shifting chute 48, to align with ball 28, alignment radially in the radial hole 24 between the groove 38 of each ball 28 in opening 26 (to center hex hole 16) and wall 30 here.
This makes instrument can axially inject in the centre bore 16 up to ball 28 with till cannelure 48 radially aligns through ball 28 such as instrument 42.In this position, the user can rotate the front end axle collar 34 makes groove 38 leave ball 28, makes the surface of cylindrical wall 30 be close to ball 28 thus, force ball towards and enter opening 26 to centre bore 16.
Then, from the center hex hole 16 of chuck body 12, remove instrument, such as instrument 42, the user puts in his finger and thumb and catches the front end axle collar 34 in the groove 36, with the front end axle collar change 90 up to the groove 38 on the inwall 30 of cavity 32 with till radially align in thorax hole 24, pull on when starting building tool 42 as the operator like this, ball 28 can radially move inward and enter in the groove 38 so that instrument 42 can axially come out from chuck hole, center 16 in the thorax hole 24.
Be understandable that the knife rest (tool head) that can be equipped with other patterns on the instrument 42 replaces Phillips screwdriver tip 46, such as drill bit knife rest or straight screwdriver knife rest.
Fig. 6 illustrates another instrument 50, and it has 52, one of intermediate bars wherein with hexagonal transverse cross section the inner 54 of cannelure 56, and special drill bit or spade bit 58, and this drill bit is used for boring the hole bigger than the diameter of bar 52.
Fig. 7 illustrates a kind of cutter holder 60, and it can be Robison disclosed the sort of type in US5921562.The intermediate bar 62 of cutter holder 60 is different with the bar among the US5921562.At this on the one hand, make bar 62 distortion have hexagonal transverse cross section 64, a cannelure 68 is arranged in hexagonal transverse cross section 64, cutter holder 60 is suitable for being embedded in the center hex hole 16 and by ball 28 and axially locks wherein thus, ball 28 is contained in the cannelure 68, and is fixed in the hole and can not rotates by the engagement of hexagonal transverse cross section 64 with hexagonal transverse cross section centre bore 16.
Fig. 8 and 9 illustrates second embodiment of the chuck assembly that instruction according to the present invention obtains, and the structure of chuck body 92 is the same with the structure of the chuck body 12 shown in Fig. 3 and 4 in the tool, and it has outer end 93.But in this embodiment, the front end axle collar 94 is configured to relatively rotate and carries out axially-movable.Aspect this, as shown in Figure 8, at least two grooves or dimple 96 are arranged on the outer surface of the front end axle collar 94, make the operator can catch the front end axle collar 94 and draw or push away it the front end axle collar 94 is axially moved on chuck assembly 90.Then, there is a stepped cavity 98 the front end axle collar 94 inside, and this cavity has first cylindrical portion 100, the diameter of cylinder 100 can fabricate with thorax hole 24 radially in ball 28 engagements, impel ball to enter and partly pass the radially opening 26 in thorax hole 24, opening 26 leads to chuck hole, center 16.Then, cavity 98 has a stair-stepping large cylinder portion 102, and it is positioned at cylindrical wall 100.
During use, as shown in Figure 9, when the operator catches the front end axle collar 94 and is pulled outwardly, the larger-diameter cylindrical portion 102 of cavity 98 with each radially the ball 28 in the thorax hole 24 align, so that ball can radially outwards move from the opening 26 that leads to centre bore 16, thereby the centre bore 16 of instrument from hexagonal section can be inserted or remove.
The front end axle collar 94 has and the ring 108 following annular lip 106 that cooperate, encircles 108 and is contained on the outer end 93 of chuck body 92, is used for making the front end axle collar to remain on the outer end 93 and limits moving axially of the front end axle collar 94.
The outside 93 of noticing chuck body 92 outer surface that a diameter reduces can be arranged so that each radially the length in thorax hole 24 can make like this between the cylindrical wall 100 of ball 28 and cavity 98 and set up a kind of frictional fit less than the diameter of ball 28.
Figure 10 illustrates the 3rd embodiment of the part of the chuck assembly 110 of instruction according to the present invention.In this embodiment, the outer end 112 of chuck body 114 has one to be arranged in the radially cannelure 116 in thorax hole 24, be embedded in the cannelure 116 so that make C ring or snap ring or bind round 118, cooperate with the radial outer side of three buttons or ball 28, impel a ball to enter in the opening 26 that radially the inner in thorax hole 24 is located.In this embodiment, other parts of the relative chuck body 114 of diameter of the outer end 112 of chuck body 114 do not reduce.Also have, in an embodiment, when instrument injected hex hole 16, must exert pressure made ball 28 radially outward resist the pressure of spring band 118, so that instrument injects in the centre bore 16 of hexagonal section of chuck body 114.Similarly, when removing instrument from hex hole 16, the operator must apply a pulling force makes ball 28 resist spring band 118 to realize removing instrument from hex hole 16.
The explanation that the excircle 120 of chuck body 122 carries out in Figure 11, its bottom is broken away with the teeth groove portion 124 that hexagon centre bore 126 is shown and the female thread portion 128 in chuck hole 126, internal thread makes chuck body 122 install to the end of thread of power tool, as Salpaka disclosed among the US5193824.
The 4th embodiment of the chuck assembly 140 of instruction has been shown among Figure 12 according to the present invention.In this embodiment, other parts of the relative chuck body 144 of diameter of the outer end 142 of chuck body 144 do not reduce, and on the chuck body 144 in the scope of ball 28 without any cannelure.The substitute is the front end axle collar 146 and be provided with three radially thorax holes 148, radially the cylindrical wall 150 of the cavity 152 of thorax hole from the front end axle collar 146 extends internally, and is distributed in around the cylindrical wall equidistantly.Then, spring 154 injects in each hole in three holes 148, the front end axle collar 146 moves axially above the outer end 142 of chuck body 144 up to the hole 148 of band spring 154 with till aliging in the hole 24 that ball 28 is wherein arranged, with a hole shift-in in the hole 148 radially in the thorax hole 24, engage and lean against each radially each ball of a pair of ball 28 in the thorax hole 24 or rear side of one of them ball at the compression spring 154 of this point.
Be understandable that, in order to guarantee that the front end axle collar 146 aligns well with chuck body 144 and it can not be rotated relative to chuck body 144, between the cylindrical wall 150 of the cavity 152 of the outer end 142 of chuck body 144 and the front end axle collar 146, a suitable aligning apparatus is set, such as axially extended groove and key.
Figure 13 is the end view drawing of a front end axle collar, Fig. 1 for example, and the front end axle collar 34 shown in 3,8,9 and 12, this figure shows hexagonal transverse cross section centre bore 16, and there is alternate pawl and the alternate ball 28 that is positioned at the adjacent angular of hex hole 16 that is positioned at 16 6 angles, hole in this hole.
Figure 14 illustrates the instrument 160 of the instruction according to the present invention.Instrument 160 is instruments of a kind of simplification, it have 162, one on smooth bar 164, one of the spline structures of the inner at the tool construction 166 of outer end as Karen Phillips screwdriver structure.This instrument 160 is simple and can inject fast in the above-mentioned chuck assembly, and when three spring bias ball 28 in the chuck assembly lean against on the smooth shaft 162 and also ball 28 and brilliance bar 162 between friction when a holding power is provided, although be little, can the axially-movable of prevention instrument 160 in above-mentioned chuck assembly.Instrument 160 is driven rotationally by the spline structure 124 that the spline structure 164 with bar 162 inner ends cooperates.
For the powerful resistance of prevention instrument axially-movable is provided, instrument as shown in figure 15 can be provided, and this instrument has 172, one spline structures 174 in bar 172 inner ends of a bar, a tool construction 176 and a cannelure 178 that holds one or more balls 28 in the outer end.
When needs provide strong rotation between an instrument and an above-mentioned chuck assembly, and be provided with an instrument, as the instrument among Figure 16 180, the axial tension of one of a described relatively chuck assembly of prevention instrument axially-movable arranged also.As shown in, instrument 180 comprises bar portion 182, the spline structure 184 in the inner, the tool construction in the outer end.In addition, a preferably hexagonal structure 188 of polygon is arranged on the bar, this structure and a supporting respective outer side edges, Fig. 1 for example, the hex hole 16 shown in 10 and 12 has a cannelure 190 in the hexgonal structure 188 on bar 182.
Be understandable that instrument 160,170 or 180 equally with cutter holder 60 can be used for described any chuck assembly with instrument 42 and 50, each instrument 160,170 the same with cutter holder 60 has an aforesaid advantage with 180 with instrument 42 and 50.Especially, instrument 160 provides a kind of very simple tools, and it both can be pushed into also can be pushed out one of above-mentioned chuck assembly, and minimally remains on wherein and stops in chuck assembly axially motion.If instrument 160 motion, the operator is the outer tube of rotating chuck device simply, so that pawl cooperates with bar 162 and ball or buckle 28 and cooperate with bar 162.
Selectable, if require or need the power of strong prevention instrument axially-movable, can tool using 170 or 180, they can be easily and inject simply in the conventional chuck, conventional chuck has aforesaid ball or buckles 28, utilizes the cooperation of the ball 28 in cannelure 178 or 190 to prevent the axially-movable of instrument 170 or 180.
Rotating drive for stronger has polygon, and the instrument 180 of hexagonal structure 188 and spline structure 184 can be used for above-mentioned arbitrary chuck assembly.
In addition, in order to make 28 lockings of one or more balls or to be not locked to bar 44,52, on 62,162,172 or 182, but chuck assembly 10 or 90 can be used for the front end axle collar 94 of the rotating front end axle collar 34 or axially-movable.
With reference now to Figure 17,, wherein illustrate a kind of tool drives system 210, it comprises and drives plug 212, conventional chuck 214, cutter holder 216 (can be instrument) and can be contained in instrument 218 on the cutter holder has adopted cutter holder here.Plug 212 comprises base portion 220 and extension 222, extension has for example structure of spline structure 224, be used in the cavity 228 of the inner 229 of the bar 230 of cutter holder 216 (or instrument, the instrument here directly injects chuck 214 and replaces cutter holder 216), cooperating with pairing structure 226.
Figure 18,23,33 and 41 is bottom perspective view of instrument 218, instrument 218 has the end or the bar 232 of a hexagonal structure, and it can be contained in the hexagonal cavities 233, and this cavity is in the lid or end 234 of the mushroom shaped of an outside of cutter holder 216, respectively at Figure 17, shown in 22,32,39 and 45.
Figure 19,24,34,42 and 46 is outer end views of the cutter holder 216 shown in Figure 17,22,32,39 and 45.
Figure 20 and 35 is inner end views of the cutter holder 216 that illustrates respectively of Figure 17 and 32.
Return now in Figure 17 and 28, as can be seen, the base portion 220 of plug 212 has three splines or key 236, and they are slidably received within the keyway 238, and keyway 238 is formed in the interior bore portion 240 of chuck 214, as shown in figure 21.
The typical structure of base portion 220 is shown among Figure 28, and three keys or spline 236 on the periphery of base portion 220 are shown here.
In the tool using drive system, as shown in figure 17, plug 212 injects in the interior bore portion 240 shown in Figure 21, and key or spline 236 are contained in the keyway 238 here.Then, chuck 214 is threaded onto (not shown) on the motor shaft of electric tool.This can be put into an instrument to rotate then on the spline structure 224 on the extension 222 of plug 218 and realize.
In a single day chuck 214 and plug 212 are installed in the threaded outer end of the motor shaft of electric tool, cutter holder 216 just can inject the outer bore portion 242 of chuck 214, chuck 214 has a cavity 228 in the inner 229 of bar 230, bar 230 is contained on the spline structure 224 on the extension 222 of plug 212, connects so that provide to drive between plug 212 and cutter holder 216.
In the embodiment shown in Figure 17-21, cutter holder 216 is remained on the chuck by magnet 244, and magnet is positioned at the bottom side 246 of the mushroom female cap 234 of cutter holder 216.Instrument 218 is in the outside 250 of the lid 234 of cutter holder 216, remained on by magnet 246 and covers in 234, and magnet 246 is positioned at the bottom of hexagon cavity 233, as shown in the figure.
Need in the interior bore portion 240 of the conventional chuck 214 of incision for 210, three keyways of the drive system shown in Figure 17-21 238.Then, for this improvement, plug 212 can inject in the interior bore portion 240 in the chuck 214, the end of thread of the motor shaft of electric tool be screwed into threaded in the bore portion 240, with plug 212 chuck 214 is connected on the motor shaft of electric tool.The chuck assembly that in US5193824 and 5464229, illustrates referring to Salpaka for example.
Then, during use, the operator can rotating chuck 214 parts make the pawl in the chuck 214 cooperate with the axle or the bar 230 of instrument or cutter holder 216, and perhaps the inner 229 of a special shape of the bar of Move tool or cutter holder 216 or axle 230 is simply meshed itself and the extension 222 that drives plug 212.This special construction comprises a spline or polygon cavity 228.Instrument or cutter holder 216 are maintained on the chuck by associated magnet, such as magnet 244, thus, when the spline of pairing in the cavity 228 of plug 212 extensions 222 and the bar 230 of instrument or cutter holder 216 or polygonized structure provided a tool drives from the axle driven tool of electric tool, instrument or cutter holder 216 maintenances can axially-movables.
With reference now to Figure 22-26,, another embodiment of tool drives system 260 is shown, it comprises instrument or the cutter holder 216 of instrument 218 is arranged, chuck 214 and drive plug 266, cutter holder 216 has the lid 234 of the mushroom shaped of a band cavity 233, with bars or an axle 230 from covering 234 free end 262 extensions in the bottom, this free end has spline or polygon-shaped 264.Drive plug 266 and comprise base portion 268, base portion 268 excircles have three keys or spline 270, and there is cavity 272 base portion inside, and it has structure 274 (Figure 27), and structure 274 cooperates with the spline or the polygonized structure 264 at 262 places, the inner of the bar 230 of cutter holder 216.Be understandable that can replace cutter holder 216 and instrument 218 with the instrument of the inner, bottom that spline or polygonized structure are arranged, this structure cooperates with structure 274 in the cavity 272 that drives plug 266.
The endoporus 240 of the through hole of the chuck 214 shown in Figure 26 has shape as shown in figure 21, and is used for accepting the plug 266 shown in Figure 22.Like this, the driving from the end of thread of motor shaft to chuck 214 connects and drives that plug 266 can be switched to the inner 262 of cutter holder 216 or to the inner of instrument, the inner of instrument is made to the shape of the cavity 272 that can be contained in the plug 266.
Figure 27 is the top end view of driving plug 266 shown in Figure 22, and Figure 28 is the top end view of driving plug 212 shown in Figure 17.
Figure 29 is the end-view of the bottom of chuck 214 shown in Figure 32, and wherein chuck does not have middle splined hole part 280, and Figure 30 is the external end view of the chuck 214 shown in Figure 17 and 22.
Figure 31 is the enlarged drawing of traditional chuck 214, pass the through hole 276 of chuck 214 shown in the figure, the removable pawl 278 that enters through hole 276, the middle part splined hole 280 of a through hole 276 and the threaded interior hole 240 of a through hole 276, the spline endoporus is used for holding concrete instrument, chuck 214 is installed to the end of thread of electric tool motor shaft.The keyway 38 that is formed in the threaded interior hole part 240 also is shown.
Figure 32 is the exploded view with another embodiment of similar tool drives of the present invention system of the tool drives system 210 of Figure 17 290.Here, the tool drives system 290 that illustrates comprises that one drives 214, one cutter holders 216 of 202, one chucks of plug and an instrument 218.End shown in Figure 33,34 and 35 is corresponding with the end shown in Figure 18,19 and 20.In this tool drives system 290, there is not keyway in the threaded interior hole 240, shown in Figure 32 and 36, in this embodiment, driving plug 292 has threaded cylinder base portion 294 and the extension 296 corresponding with extension shown in Figure 17 222.
In this embodiment of tool drives system 290, till being screwed in the internal thread hole 240 plug 292 to the end and be locked in the appropriate location, afterwards chuck 214 screw threads are installed on the screw thread motor shaft of electric tool, cooperate with extension 296 such as through hole 276 reeves of passing chuck 214 with a sleeve barrel tool (not shown).Then, magnet 244 remains on the chuck 214, as shown in figure 35 cutter holder 216.Then, the cavity 228 in the inner 229 of bar by cutter holder 214 or axle 230 and the spline or the polygonal cooperation of extension 296 drive cutter holder 216 and rotate.
Figure 39 is the exploded view of another embodiment of tool drives of the present invention system 300.Here Pei Zhi cutter holder 216 in the inner 304 of its bar 230, have square cross section cavity 302, this square-section cavity holds the square-section extension 306 that drives plug 308.Plug 308 is similar with plug 212 shown in Figure 17, and just square-section extension 306 has translot 312 medi-spring bias voltage locking keys 310 that are installed in the extension 306, as shown in figure 40.Plug also has a base portion 312, and base portion 312 has three splines or key 314, and they are accommodated in the keyway 316 of pairing, and keyway 316 is formed in the endoporus 240 of through hole 276 in the chuck 214.
In this embodiment of tool drives system 300, spring bias voltage locking key 310 provides one to keep the not mechanism of chuck 214 axially-movables relatively of cutter holder 216 or the inner instrument that cavity arranged.Cutter holder 216 or the inner have the instrument of cavity to have to pull out from chuck 214 forcibly, so that insert another instrument in chuck 214.
In this embodiment, replace magnet 244, with not chuck 214 axially-movables relatively of instrument that keep cutter holder 216 or similar structures with spring bias voltage locking key 310.
Figure 45 illustrates another embodiment of the tool drives system 320 of instruction according to the present invention.This tool drives system 320 adopts the cutter holder 216 shown in Figure 22.This cutter holder 216 has magnet 244 and bar or axle 230, and magnet 244 is on the bottom side 246 of mushroom shaped lid 234, and bar or axle 230 have the inner 262 of wounded in the battle key or polygonized structure 264.
In this embodiment, driving plug 322 injects in the through hole 276 of chuck 214 from the upper end of chuck 214.Plug 322 has last base portion 324 and extension that dangles 328 of a wounded in the battle key or polygon cavity 326, extension 328 has spline structure, can hold in the middle splined hole part shown in Figure 31, connect so that set up from chuck 214 to plug 322 driving, set up cavity 326 from the last base portion 324 of plug 322 then to bar or the spline of axle 230 or the driving connection of polygon the inner 262 of cutter holder 216.
Be understandable that, can carry out this driving in the inner that can be contained in the concrete structure in the cavity 326 from cavity 326 to instrument.
In this embodiment, through hole 328 is by dangling extension 328 and lead to cavity 326, such band Alan's 332 retainer screw 330 can and be screwed in the axial thread hole in the end of thread of electric tool motor shaft, as shown in figure 47 by plug 322.
A most preferred embodiment of tool drives of the present invention system comprises a plug, such as the plug shown in Figure 22 292, it can screw thread injects in the internal thread hole 240 of through hole 276 in the chuck 214, like this tool drives system to chuck 214 without any need for modification.Also have, chuck can be a pattern shown in Figure 31, and it has a middle splined hole 280 on internal thread hole 240 tops, or does not have the chuck of middle splined hole 280.Also have, such plug can adopt the extension shown in Figure 39 and 40, this extension has spring bias voltage locking key 310 to combine with the recess of the analogous shape of the inner of instrument or instrument folder 216, be used for being fit to sting tight locking tool or cutter holder 216, magnet just can not make the chuck axially-movable relatively of instrument or cutter holder, has only when except instrument or cutter holder 216 are compelled to when chuck 214 is pulled out.Just now the embodiment of Miao Shuing had a machinery to keep structure to replace magnet-holding structure, instrument or cutter holder is remained on be contained on the extension of the plug in the chuck.
Claims (6)
1. chuck assembly, it comprises:
A chuck body, it has an outer end, a periphery and a centre bore that passes described chuck extension along central shaft to small part;
The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore, is used for described chuck assembly is installed to the erecting device of axle on the outer end of a driving mechanism;
Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately;
Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder;
The hole that extends internally that has three spacings to equate substantially in the described chuck body, each hole in described chuck body is between two described common axially extended grooves, and each hole that extends internally extends on the opening that leads to described centre bore from described chuck body periphery;
The diameter of described opening is less than the diameter in the described hole that extends internally;
In extending internally the hole, each has a snap close at least;
The elastic biasing arrangement that links to each other with hole that each extends internally is used for flexibly described snap close bias voltage to described centre bore;
Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the supporting drives structure on the bar of cutter holder cooperate;
Described thus chuck assembly applies rotating drive can for instrument or cutter holder;
Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl or snap close or both with limit the cooperating of bar of instrument or cutter holder.
2. the sub-assembly of a chuck assembly and instrument or cutter holder, described chuck assembly comprises:
A chuck body, it has an outer end, a periphery and a centre bore that passes described chuck extension along central shaft to small part;
The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore;
Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism;
Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately;
Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder;
Described chuck body has at least one through hole that extends internally, and described this through hole is between two described axially extended grooves, and described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery;
The diameter of described opening is less than the diameter of described through hole;
At least one ball or snap close in described through hole;
With the elastic biasing arrangement that described through hole links to each other, be used for flexibly described ball or snap close bias voltage to described centre bore;
Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate;
Described instrument or cutter holder have a band to cooperate the bar of drives structure;
Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of described supporting drives structure;
And thus, by cooperating of described pawl and described bar or cooperating or, forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder by described ball or snap close and described bar by these two kinds of cooperations.
3. chuck assembly that is used on instrument or the cutter holder, this instrument or cutter holder have a bar, and a cannelure and drives structure are arranged on the bar, and chuck assembly comprises:
A chuck body, it has an outer end, a periphery and a centre bore that passes described chuck extension along central shaft to small part;
The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore;
Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism;
Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately;
Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder;
Described chuck body has at least one through hole that extends internally, and in the chuck body of described through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery;
The diameter of described opening is less than the diameter of described through hole;
In described through hole, have a ball or snap close at least;
With the elastic biasing arrangement that described through hole links to each other, be used for flexibly described ball or snap close bias voltage to described centre bore;
Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate;
Described thus chuck assembly can be by described cooperation the cooperation of drives structure, apply rotating drive for instrument or cutter holder;
And thus, by cooperating of described pawl and described bar or cooperating or, forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder by described ball or snap close and described bar by these two kinds of cooperations.
4. chuck assembly comprises:
A chuck body, it has an outer end, a periphery and a centre bore that passes described chuck body extension along central shaft to small part;
The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore;
Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism;
Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately;
Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder;
Described chuck body has at least one through hole that extends internally, and in the described chuck body of this through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery;
The diameter of described opening is less than the diameter of described through hole;
In described through hole, has a snap close at least;
Propulsion plant is used for pushing described at least one snap close to described centre bore;
The axle in discharging described at least one snap close and being contained in described centre bore or the device that cooperates of bar;
A front end axle collar, be used for rotating the described outer end and the described propulsion plant of described chuck body, the described front end axle collar comprises a cylindrical wall in the cylindrical cavity, cylinder cavity is in the described front end axle collar, described releasing device has one or more cavitys or groove on described cylindrical wall, align with described at least one through hole in its structure and position, this through hole comprises described at least one snap close, like this, according to the rotation of the described front end axle collar, allows interior described at least one snap close of described at least one through hole to leave described opening and enter in the described groove;
Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate;
Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of the described drives structure that matches;
Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl or snap close or both with limit the cooperating of bar of instrument or cutter holder.
5. chuck assembly comprises:
A chuck body, it has an outer end, a periphery and a centre bore that passes described chuck body extension along central shaft to small part;
The common axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore;
Erecting device is used for described chuck assembly is installed on the axle outer end of a driving mechanism;
Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately;
Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder;
Described chuck body has at least one through hole that extends internally, and in the described chuck body of this through hole between two described axially extended grooves, described through hole extends inward on the opening that leads to described centre bore from described chuck body periphery;
The diameter of described opening is less than the diameter of described through hole;
In described through hole, has a snap close at least;
Propulsion plant is used for pushing described at least one snap close to described centre bore;
The axle in discharging described at least one snap close and being contained in described centre bore or the device that cooperates of bar;
A front end axle collar, be installed on the outer end of described chuck body, be used for comprising first cylindrical wall in the cylindrical cavity in the described front end axle collar with respect to the axially-movable of described chuck body outer end and described propulsion plant, its diameter substantially diameter with the described periphery of the outer end of described chuck body is identical, releasing device comprises second cylindrical wall of a diameter greater than the peripheral diameter of described outer end, the second cylindrical wall position at least one passage region is determined in the axially-movable of the front end axle collar thus, so that allow described at least one snap close laterally outwards to leave the opening of at least one path and enter described centre bore;
Drives structure in described centre bore, be used for the described centre bore that is contained in described chuck body in instrument or the drives structure that matches on the bar of cutter holder cooperate;
Described thus chuck assembly can apply rotating drive for instrument or cutter holder by the cooperation of the described drives structure that matches;
Forbid being contained in the instrument in the centre bore of described chuck body or the bar axially-movable of cutter holder thus, if can not stop, axially-movable just by described pawl and described bar cooperate or described at least one snap close cooperates with described bar in being contained in centre bore or these two kinds of cooperations that all have limit.
6. chuck assembly comprises: a chuck body, chuck body have an outer end, periphery and one to pass the centre bore that described chuck body is extended along central shaft to small part, have outside, pars intermedia and inner end; The axially extended pawl receiving slit that described chuck body also has three spacings to equate substantially, groove leads on the described centre bore; Erecting device at the inner end of described centre bore, is used for described chuck assembly is installed on the axle outer end of a driving mechanism; Three can be axially and the pawl of radial motion, and they are contained in described extending axially in the groove separately; Mobile device is used for moving on the bar that described pawl leans against the instrument that is contained in the described centre bore or cutter holder; With the polygon drives structure in described centre bore outside, be used for and the centre bore that is contained in described chuck body in instrument or the cooperation of the polygon drives structure that cooperates on the cutter holder bar; Described thus chuck assembly can apply rotating drive for instrument or cutter holder by one of following cooperation: described pawl cooperates with the bar of instrument or cutter holder, the drives structure cooperation that cooperates on perhaps described polygon drives structure and instrument or the cutter holder.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/317,231 | 1999-05-24 | ||
| US09/317,231 US6135462A (en) | 1999-05-24 | 1999-05-24 | Snap-in chuck |
| US09/375,580 | 1999-08-17 | ||
| US09/375,580 US6193241B1 (en) | 1999-05-24 | 1999-08-17 | Tool drive system |
| US09/522,229 US6193242B1 (en) | 1999-05-24 | 2000-03-09 | Snap-in chuck assembly and snap-in tool |
| US09/522,229 | 2000-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1379706A CN1379706A (en) | 2002-11-13 |
| CN1250367C true CN1250367C (en) | 2006-04-12 |
Family
ID=27405911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00808066 Expired - Fee Related CN1250367C (en) | 1999-05-24 | 2000-05-24 | Chuck assembly and combination of chuck assembly and tool or tool holder |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1187695A4 (en) |
| JP (1) | JP2003500223A (en) |
| CN (1) | CN1250367C (en) |
| AU (1) | AU4859800A (en) |
| WO (1) | WO2000071287A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6688610B2 (en) * | 2000-05-12 | 2004-02-10 | Power Tool Holders Incorporated | Chuck with quick change |
| US6834864B2 (en) | 2001-10-24 | 2004-12-28 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
| US7896355B2 (en) * | 2004-03-15 | 2011-03-01 | Wienhold James L | Dual size tool-bit holder |
| DE102006016804A1 (en) | 2006-04-10 | 2007-10-11 | Robert Bosch Gmbh | Tool holder for a hammer drill |
| US9883853B2 (en) * | 2013-03-15 | 2018-02-06 | Teleflex Medical Devices S.À.R.L. | Intraosseous device couplers, drivers, kits, and methods |
| JP6024567B2 (en) * | 2013-04-01 | 2016-11-16 | マックス株式会社 | tool |
| JP2015231649A (en) * | 2014-06-10 | 2015-12-24 | 株式会社 ムラテクノロジー | Chuck device |
| CN105728754B (en) * | 2014-12-08 | 2017-12-12 | 余敏守 | Drilling machine main shaft broaching tool structure |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US768396A (en) * | 1904-02-09 | 1904-08-23 | Albert A North | Chuck. |
| US2387339A (en) * | 1943-08-21 | 1945-10-23 | George J Meyer | Chuck |
| US2522217A (en) * | 1946-11-06 | 1950-09-12 | Apex Machine & Tool Company | Composite bit device for screw drivers and the like |
| US3333490A (en) * | 1965-07-21 | 1967-08-01 | Popin Valimer | Non-slip drill bits |
| DE2354168C2 (en) * | 1973-10-30 | 1984-10-04 | Robert Bosch Gmbh, 7000 Stuttgart | Tool holder for a hammer drill |
| PL92092B1 (en) * | 1974-01-17 | 1977-03-31 | ||
| US4234277A (en) * | 1979-05-19 | 1980-11-18 | The Boeing Company | Motor quick-change chuck system for tool having cylindrically shaped adapter portion |
| US4692073A (en) * | 1985-02-25 | 1987-09-08 | Martindell J Richard | Handle adapter and chuck apparatus for power bits |
| US5193824A (en) * | 1992-08-07 | 1993-03-16 | Jacobs Chuck Technology Corp. | Chuck having a drive bit socket |
| DE4313580A1 (en) * | 1993-04-26 | 1994-10-27 | Hilti Ag | Tool clamping |
| JPH07195210A (en) * | 1993-12-29 | 1995-08-01 | Yukiwa Seiko Kk | Chuck device |
| ATE236764T1 (en) * | 1995-10-12 | 2003-04-15 | Bosch Gmbh Robert | TOOLS AND TOOL HOLDER FOR ELECTRICAL MACHINES WITH DRILLING AND/OR IMPACT OPERATION |
| US5921562A (en) * | 1998-01-27 | 1999-07-13 | Robison; Troy | Magnetic chuck assembly |
| US5904456A (en) * | 1998-05-29 | 1999-05-18 | Chern; Lu-Meng | Combination of a drill and a means for securing the drill in a chuck |
-
2000
- 2000-05-24 WO PCT/US2000/014319 patent/WO2000071287A1/en active Application Filing
- 2000-05-24 AU AU48598/00A patent/AU4859800A/en not_active Abandoned
- 2000-05-24 EP EP00930844A patent/EP1187695A4/en not_active Withdrawn
- 2000-05-24 JP JP2000619580A patent/JP2003500223A/en active Pending
- 2000-05-24 CN CN 00808066 patent/CN1250367C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1187695A1 (en) | 2002-03-20 |
| WO2000071287A1 (en) | 2000-11-30 |
| AU4859800A (en) | 2000-12-12 |
| EP1187695A4 (en) | 2004-05-06 |
| CN1379706A (en) | 2002-11-13 |
| JP2003500223A (en) | 2003-01-07 |
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