CN103252513B - Cartridge device - Google Patents
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- CN103252513B CN103252513B CN201210036766.6A CN201210036766A CN103252513B CN 103252513 B CN103252513 B CN 103252513B CN 201210036766 A CN201210036766 A CN 201210036766A CN 103252513 B CN103252513 B CN 103252513B
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Abstract
The invention provides a kind of cartridge device, comprising: chuck cylindrical shell, multiple jaw, nut, nut sleeve; Also comprise the first locking piece, comprise the first engaging piece, the first locking piece and nut sleeve are relative in a circumferential direction to be arranged regularly, and the primary importance had along the axis direction of cartridge device and the second place; Second locking piece, is arranged regularly relatively with chuck cylindrical shell, comprises the second engaging piece coordinated with the first engaging piece, throws off at primary importance first engaging piece and the second engaging piece, engage at the second place first engaging piece with the second engaging piece; Locking member, moves between the first position and the second position for making the first locking piece when along the circumferential direction rotating; Torsionspring, first end coordinates with nut sleeve, and the second end coordinates with locking member, and the amount of torsional energy be stored in torsionspring by release drives locking member along the circumferential direction to rotate.The each design of part of this cartridge device is simple, automatically can enter lock-out state after jaw and nut screwing clamping.
Description
Technical field
The present invention relates to processing equipment field, more specifically, relate to a kind of cartridge device.
Background technology
In prior art, for the cartridge device complex structure of electric tool.Such as in No. 201010215225.0th, Chinese invention patent application, disclose a kind of cartridge device, the structure of the parts such as chuck disk body wherein, nut ring, nut gear and lock gear is very complicated, technological requirement is high, and this all brings certain difficulty to part processing and assembling.
Summary of the invention
The object of the invention is to provide a kind of design of part simple, the cartridge device that can automatically lock after jaw and nut screwing clamping.
The invention provides a kind of cartridge device, comprising: chuck cylindrical shell, described chuck cylindrical shell has centre bore and axis; Multiple jaw, be arranged in described chuck cylindrical shell, the front portion of described jaw passes from described centre bore, and multiple described jaw comprises the first screw thread; Nut, is sheathed on the periphery of described chuck cylindrical shell, and described nut inner peripheral surface comprises the second screw thread with described first threaded engagement, and described nut rotates around described axis and makes described multiple jaw synchronizing moving; Nut sleeve, is sheathed on outside described nut regularly; First locking piece, comprises the first engaging piece, and described first locking piece is relative in a circumferential direction with described nut sleeve to be arranged regularly, and the primary importance had along the axis direction of described cartridge device and the second place; Second locking piece, is arranged regularly relatively with described chuck cylindrical shell, comprises the second engaging piece coordinated with described first engaging piece, in described primary importance, described first engaging piece and described second engaging piece are thrown off, and in the described second place, described first engaging piece engages with described second engaging piece; Locking member, is arranged on the side away from described second locking piece of described first locking piece coaxially with described first locking piece, moves between described primary importance and the second place for making described first locking piece when along the circumferential direction rotating; Torsionspring, first end matches with described nut sleeve, and the second end matches with described locking member, drives described locking member along the circumferential direction to rotate by the release amount of torsional energy be stored in torsionspring.
Further, described nut sleeve comprises nut sleeve driver slot and is positioned at the nut sleeve driving limit of described nut sleeve driver slot both sides; Described torsionspring comprise the torsionspring locating detent that is positioned at first end and be positioned at the second end for driving the torsionspring of described locking member to have an effect pawl, described torsionspring locating detent drives and is resisted against described nut sleeve during described locking member at described torsionspring pawl of having an effect and drives on limit.
Further, described cartridge device also comprises driver part, overcoat and rolling member, wherein said locking member is arranged locking member spring groove, locking member cam groove and locking member drive division, described torsionspring pawl of having an effect is arranged at described locking member spring groove ordinatedly; Described driver part is arranged between described locking member and described first locking piece, comprises driver part drive division and positioning through hole, and described driver part drive division is arranged in described nut sleeve driver slot; Described overcoat and described chuck cylindrical shell are coaxially arranged, and are set in the outside of described locking member and described driver part, comprise the driver slot be equipped with described locking member drive division and described driver part drive division; Described rolling member is arranged at described positioning through hole, and described rolling member two ends are given prominence to the surface of described driver part and are connected on described locking member and described first locking piece respectively, described rolling member is in mated condition with described locking member cam groove according to the relative angle of described Lock Part and described driver part or removes mated condition; Described first locking piece is in described primary importance under described mated condition, under described releasing mated condition, be in the described second place.
Further, described nut sleeve comprises nut sleeve spring detent; Described driver part comprises driver part limited impression, and when described jaw and described nut screwing clamping, described nut sleeve spring detent coordinates with described driver part limited impression, and described driver part is fixed relative to described nut sleeve.
Further, described cartridge device comprises biased element, for applying the lasting biasing force contrary with the force direction that described rolling member applies to described first locking piece.
Further, described first locking piece is locking ring gear, and described locking ring gear comprises: locking ring gear main body, in sleeve-shaped, be sheathed on described chuck cylindrical shell outer peripheral face, described first engaging piece is arranged at described locking ring gear main body towards on the end face of described second locking piece; Locking teeth ring flange, radially gives prominence to from described locking ring gear main body outer peripheral face, and makes described locking ring gear relative to described nut sleeve without being arranged at rotationally in described nut sleeve driver slot.
Further, described second locking piece is fixing ring gear, and described fixing ring gear comprises: fixed part, in sleeve-shaped, is sheathed on the outer peripheral face of described chuck cylindrical shell regularly; Flange portion, described second engaging piece is arranged at described flange portion towards on the end face of described locking ring gear.
Further, described nut is combined by two and half arch sections be interlocked.
According to cartridge device of the present invention, each design of part is simple, automatically can enter lock-out state after jaw and nut screwing clamping.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to cartridge device of the present invention;
Fig. 2 is the assembly decomposition texture schematic diagram according to cartridge device of the present invention;
Fig. 3 is the part decomposition texture schematic diagram according to cartridge device of the present invention;
Perspective view when Fig. 4 is the unlocked state according to cartridge device of the present invention;
Perspective view when Fig. 5 is the tightening state according to cartridge device of the present invention;
Perspective view when Fig. 6 is the lock-out state according to cartridge device of the present invention; And
Fig. 7 is the perspective view of the overcoat according to cartridge device of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting,
Embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1 to Figure 3, the cartridge device 1 of the present embodiment comprises clamper main body 10, control volume 20, annex 30, rear cover 40 and overcoat 50.Cartridge device 1 can be arranged on the front end of electric tool (not shown), for clamping the instruments such as such as drill bit, wherein electric tool comprise with handle shell and be arranged on the main shaft in shell front, wherein main shaft by be arranged on enclosure can positive and negative rotation motor driving and rotate, the rear end of the chuck cylindrical shell 11 of clamper main body 10 hollow of the cartridge device 1 shown in main shaft and Fig. 1 is fastenedly connected, thus operationally, main shaft can drive the instrument of cartridge device 1 and clamping thereof to rotate.
In the present embodiment, annex 30 comprises jump ring 31, pad 32 and thrust bearing 33, wherein pad 32 is pressed on thrust bearing 33 by jump ring 31, and apply one to the power of front side by pad 32 pairs of thrust bearings 33, make thrust bearing 33 be against the rear side of nut 21, thus nut 21 resistance when rotated can be reduced.In the present embodiment, " front " refers to the direction that jaw 12 stretches out from chuck cylindrical shell 11, the right side namely in Fig. 1, and " afterwards " refers to and the side that the main shaft of electric tool is connected, the left side namely in Fig. 1.As shown in Figure 1, after jump ring 31 installs, just snap in the jump-ring slot 52 (see Fig. 7) on overcoat 50, limit the axial location of nut 21 on the one hand, also serve effect overcoat 50 being carried out to axial location on the other hand, overcoat 50 can only be rotated relative to clamper main body 10, but can not move axially.
The interior sidewall surface of overcoat 50 is except comprising jump-ring slot 52, further comprises three circumferentially uniform grooves 51, during user's rotary sleeve 50, by coordinating of groove 51 and control volume 20, drive the appropriate section motion of control volume 20, thus realize the fastening of cartridge device 1 and unclamp.
Clamper main body 10 comprises chuck cylindrical shell 11 and jaw 12.Chuck cylindrical shell 11 is the shape of roughly cylinder, the precursor portion having the rear quarters body for being connected with main shaft, middle body part and pass for jaw 12.The external diameter of middle body part changes according to the corresponding component of its outside control volume 20 installed, and such as, as shown in Figure 1, middle body part is carried out coordinating with jump ring 31, pad 32, thrust bearing 33 respectively and located.Chuck cylindrical shell 11 has the patchhole of hollow along its center axis L direction.Circumference along chuck cylindrical shell 11 is uniform three jaw installing holes, each jaw installing hole from the middle body part of chuck cylindrical shell 11 forward body part extend from the outer circumferential side of chuck cylindrical shell 11 to inner circumferential side simultaneously.As shown in Figure 1, the extended line at three jaw installing hole centers intersects on chuck tubular axis L.Three jaws 12 stretch into chuck cylindrical shell 11 inside from three jaw installing holes respectively, and the front end of jaw 12 is stretched out from the patchhole in chuck cylindrical shell 11 precursor portion, as shown in Figure 2, the leading section of three jaws 12 surrounds the general conical body with clamping hole, this clamping hole is used for clamping device, and the large I of clamping hole changes along the movement in axis L direction with jaw 12.
The leading section inner peripheral surface of jaw 12 has the press surface almost parallel with axis L, and the surface of press surface also comprises the groove that many are roughly parallel to axis L, to increase the frictional force with clamping device.The rear portion outer peripheral face of jaw 12 has screw thread, as shown in Figure 1, a part for screw thread is exposed to the outside of chuck cylindrical shell 11, for matching with the nut 21 of control volume 20, when nut 21 threadingly rotates, the synchronizing moving of three jaws 12 can be realized accordingly, thus realize unclamping and the operation such as screwing of jaw 12.
Control volume 20 comprises nut 21, nut sleeve 22, packing ring 23a, torsionspring 24, stay 25, steel ball 26, driving chip 27, locking ring gear 28, elastomeric pad 23b, jump ring 23c and fixing ring gear 29 from back to front successively along axis L direction.
In order to easy for installation, in the present embodiment, nut 21 have employed two and half arch sections be interlocked and combines, and the posterior segment, inside of nut 21 comprises the taper type hole that internal diameter from back to front diminishes, and has at the sidewall forming taper type hole the screw thread matched with the screw thread of jaw 12.In addition, the front end of nut 21 is set to cylindrical hole, the diameter of cylindrical hole is greater than the diameter of the front end in taper type hole, therefore, stage portion is defined in the junction of taper type hole and cylindrical hole, and chuck cylindrical shell 11 is arranged on the appropriate section of nut 21, its profile also relative set is the taper type part and cylindrical section that match with nut 21, cylindrical hole is set in the outer circumferential side of the cylindrical section of chuck cylindrical shell 11 ordinatedly, stage portion has been connected on the rear end face of cylindrical section just, like this, namely the axial location of nut 21 is locked by stage portion and aforesaid jump ring 31, thus, nut 21 relative to chuck cylindrical shell 11 substantially without moving axially, can only be rotated along axis L.
Nut sleeve 22 comprises cylindric nut sleeve main body and the nut sleeve lug boss 222 of be circumferentially arranged symmetrically with three arc column planars that one extends from nut sleeve body front end along axis L direction.The sleeve part of nut sleeve 22 is used for by two and half arch section obvolvents of nut 21 together, is fixedly connected with, relative motion does not occur each other between nut sleeve 22 with nut 21.
The both sides of each nut sleeve lug boss 222 of nut sleeve 22 define nut sleeve and drive limit 221, a nut sleeve driver slot 224 is all formed between every two nut sleeve lug bosses 222, the driving chip of flange 251 and driving chip 27 is driven to drive flange 271 for the stay of accommodating stay 25 described later in this nut sleeve driver slot 224, and nut sleeve drives limit 221 for driving flange 251 and driving chip to drive flange 271 to match with stay, to rotate under the driving of stay 25 and driving chip 27, thus drive the corresponding rotation of nut 21.
Each nut sleeve lug boss 222 is also provided with nut sleeve spring detent 223.In the present embodiment, nut sleeve spring detent 223 is positioned at the middle part of corresponding nut sleeve lug boss 222, it comprises and the fillet of nut sleeve lug boss 222 one and free end, the end of free end has to projecting inward dog, this dog is used for matching with the driving chip limited impression 273 on driving chip 27, with after cartridge device 1 is tightened, prevent driving chip 27 and stay 25 from jointly rotating, thus lock sheet 25 cartridge device is in the lock state.
Three nut sleeve lug bosses 222 of nut sleeve 22 surround a cylindrical space, in this space along axis L direction accommodating successively from back to front torsionspring 24, stay 25, steel ball 26, driving chip 27 and locking ring gear 28.Wherein between the nut 21 and torsionspring 24 of nut sleeve 22 inside, be also provided with packing ring 23a.
Torsionspring 24 is arranged between packing ring 23a and stay 25, comprise the torsionspring locating detent 241 that is positioned at same nut sleeve driver slot 224 and torsionspring to have an effect pawl 242, torsionspring locating detent 241 and nut sleeve drive limit 221 to contact, torsionspring pawl 242 of having an effect is arranged in stay spring groove 253 ordinatedly, after torsionspring 24 stores compression energy, when external force is removed, torsionspring pawl 242 of having an effect is moved to the position away from torsionspring locating detent 241, thus relatively rotate between the active force of torsionspring 24 drive stay 25 and nut sleeve 22.
Stay 25 comprises the stay main body of ring-type, and comprises the stay driving flange 251 radially outward given prominence to along stay main body, and each stay drives flange 251 to stretch into respectively in nut sleeve driver slot 224.Three staies drive the uniform setting in the position of flange 251 in stay main body, and one of them stay drives the outer end of flange 251 to be provided with stay spring groove 253.Stay 25 can relatively rotate certain angle relative to nut sleeve 22, and also namely the width of nut sleeve driver slot 224 is greater than the width that stay drives flange 251.Stay drives the side of flange 251 on the one hand by driving limit 221 to contact with nut sleeve thus can to nut sleeve 22 transmitting torque, coordinate with the groove 51 inside overcoat 50 on the other hand, thus moment of torsion can drive flange 251 to be passed to nut sleeve 22 by stay by user's rotary sleeve 50.Each stay of stay 25 drives on flange 251 and is also provided with stay cam groove 252 respectively, this stay cam groove 252 is for matching with steel ball 26, when steel ball 26 enters stay cam groove 252, steel ball 26 vertically backward side move, can make to depart between locking ring gear 28 described later with fixing ring gear 29 to engage, and steel ball is when shifting out from stay cam groove 252, steel ball 26 vertically forward side move, then be in engagement between locking ring gear 28 and fixing ring gear 29, then cartridge device 1 is in locked state.
Driving chip 27 is drive divisions of control volume 20, its driving force comes from the rotation of overcoat 50, driving chip 27 can relatively rotate relative to nut sleeve 22, comprise three circumferentially driving chip driving flanges 271 that are symmetrically arranged, that radially give prominence to, in the present embodiment, driving chip drives the width of flange 271 and stay to drive the width of flange 251 substantially identical.Driving chip driving flange 271 1 aspect stretches in corresponding nut sleeve driver slot 224 and drives limit 221 to coordinate with transmitting torque with nut sleeve, coordinate with the groove 51 inside overcoat 50 on the other hand, thus moment of torsion can drive flange 271 to be passed to nut sleeve 22 by driving chip by user's rotary sleeve 50.The position corresponding with stay cam groove 252 of driving chip 27 is also provided with driving chip circular hole 272, and this driving chip circular hole 272 is through hole, and steel ball 26 is inserted wherein, thus controls the relative position between driving chip 27 and steel ball 26.Steel ball 26 two ends are given prominence to the surface of driving chip 27 and are connected on the front end face of stay 25 and the rear end face of locking ring gear 28 respectively, and steel ball 26 is in stay cam groove 252 according to stay 25 and the relative angle of driving chip 27 or deviates from from stay cam groove 252.Three driving chip limited impressions 273 are arranged at every two driving chips respectively and drive between flange 251, for matching with nut sleeve spring detent 223, with the position between lock-out state restriction driving chip 27 and nut sleeve 22.
Locking ring gear 28 includes the locking ring gear main body of sleeve-shaped and the symmetrical locking teeth ring flange 281 radially given prominence to from locking ring gear main body outer peripheral face of three of arranging in locking ring gear back body, locking teeth ring flange 281 is placed in nut sleeve driver slot 224, the width of its width and nut sleeve driver slot 224 is roughly equal, to ensure between locking ring gear 28 and nut sleeve 22 only to move axially but can not relatively rotate.The rear end face of locking teeth ring flange 281 is plane, contact with steel ball 26, the front end face of the locking ring gear main body of locking ring gear 28 is provided with the locking ring gear end-tooth 282 radially extended, this locking ring gear end-tooth 282 for engaging with the fixing ring gear end-tooth 291 that fixing ring gear 29 rear end face is arranged or depart from, with realize locking or unclamp locking.As long as can lock cartridge device 1 or unlock, the geared assembly of other form can be adopted.
Elastomeric pad 23b to be sheathed on outside locking ring gear main body and to be connected on locking ring gear end-tooth 282 front end face, for providing to locking ring gear 28 along the axis L biasing force continued backward.This elastomeric pad 23b can replace with other elastomeric elements such as such as helical springs.
Jump ring 23c is arranged at the front side of elastomeric pad 23b, forms axial location to the front side of elastomeric pad 23b.
Fixing ring gear 29 is fixedly arranged on the outer peripheral face in precursor portion of chuck cylindrical shell 11, it comprises the fixed part of the sleeve-shaped being positioned at front side and is positioned at the flange portion of rear side, wherein fixed part is sheathed on the outer peripheral face in precursor portion of chuck cylindrical shell 11 regularly, the rear end face of flange portion is provided with and the fixing ring gear end-tooth 291 of locking ring gear end-tooth 281 and coordinating, to engage with locking ring gear end-tooth 281 or to depart to realize locking or unlocking.
Rear cover 40 is set in the rear quarters portion outside of chuck cylindrical shell 11, and is connected with the rear end of overcoat 50.
Below each duty of cartridge device 1 is described in detail.
Unlocked state.As shown in Figure 4, now steel ball 26 is positioned at the stay cam groove 252 of stay 25, and lateral movement backward under the elastic force effect that locking ring gear 28 provides at elastomeric pad 23b, keeps departing from engagement with fixing ring gear 29.Nut sleeve 22 and locking ring gear 28, stay 25, driving chip 27 etc. rotate around the axis of chuck cylindrical shell 11, thus by the effect of screw thread, jaw 12 is moved in three inclined holes of chuck cylindrical shell 11, thus make the clamping hole formed in the middle of three jaws 12 become large or diminish, the clamping of implementation tool or unclamp.
Tightening state.This state is a kind of state applying moment of torsion.Now three jaws 12 abut against together or contact with the instrument of clamping.Moment of torsion from the groove 51 of overcoat 50 drives flange 251 and driving chip to drive flange 271 to transmit to nut sleeve 22 by stay, makes to continue to relatively rotate between nut 21 and jaw 12, thus more securely clamping device.Afterwards due to no longer relative motion between nut 21 and jaw 12, continue rotary sleeve 50 and make torsionspring 24 be compressed and store amount of torsional energy.As shown in Figure 5, now, nut sleeve spring detent 223 enters driving chip limited impression 273, but do not relatively rotate between stay 25 and driving chip 27, now steel ball 26 is still positioned at stay cam groove 252, keeps departing from engagement under the elastic force effect that locking ring gear 28 provides at elastomeric pad 23b with fixing ring gear 29.
Lock-out state.As shown in Figure 6, now, user unclamps overcoat 50, and the moment of torsion being applied to overcoat 50 is eliminated, and the amount of torsional energy that torsionspring 24 stores is released.Because nut sleeve spring detent 223 is positioned at driving chip limited impression 273, can stop between driving chip 27 and nut sleeve 22 and rotate, torsionspring 24 then drives stay 25 to rotate around axis L, therefore certain angle is relatively rotated between stay 25 and driving chip 27, so steel ball 26 spins off from stay cam groove 252, the elastic resistance that promotion locking ring gear 28 overcomes elastomeric pad 23b is engaged with fixing ring gear 29, thus realizes the locking of cartridge device.
Release process.When applying contrary with screwing a direction moment of torsion to overcoat 50, the elastic force that groove 51 on overcoat 50 drives driving chip to drive flange 271 to overcome torsionspring 24 hinders, overcome the obstruction of nut sleeve spring detent 223 simultaneously, opposing nut cover 22 rotates an angle, steel ball 26 reenters in stay cam groove 252, locking ring gear 28 backward along axis L moves and departs from fixing ring gear 29 and engage in side under the effect of elastomeric pad 23b elastic force, again enters unlocked state.
Above embodiment should not be construed as limiting the present invention, such as, nut and nut sleeve can be wholely set; Steel ball also can replace with cylinder or convex column; Cancel thrust bearing; Thrust spring can substitute with the parts that other can reduce to rub even to be cancelled; Nut sleeve driver slot can not be set to three, but is set to one, two or other quantity, and locking plate drives flange, driving chip to drive the quantity of flange, locking teeth ring flange corresponding with the quantity of nut sleeve driver slot identical etc. respectively.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect: the present embodiment adopts the simple parts of structure, achieves automatically locking after jaw and nut screwing clamping.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a cartridge device, comprising:
Chuck cylindrical shell (11), described chuck cylindrical shell (11) has centre bore and axis (L);
Multiple jaw (12), be arranged in described chuck cylindrical shell (11), the front portion of described jaw (12) passes from described centre bore, and multiple described jaw (12) comprises the first screw thread;
Nut (21), be sheathed on the periphery of described chuck cylindrical shell (11), described nut (21) inner peripheral surface comprises the second screw thread with described first threaded engagement, and described nut (21) rotates around described axis (L) and makes described multiple jaw (12) synchronizing moving;
Nut sleeve (22), is sheathed on described nut (21) outside regularly;
First locking piece, comprises the first engaging piece (282), and described first locking piece is relative in a circumferential direction with described nut sleeve (22) to be arranged regularly, and the primary importance had along the axis direction of described cartridge device and the second place;
Second locking piece, relatively with described chuck cylindrical shell (11) to arrange regularly, comprise the second engaging piece (291) coordinated with described first engaging piece (282), in described primary importance, described first engaging piece (282) and described second engaging piece (291) are thrown off, in the described second place, described first engaging piece (282) is engaged with described second engaging piece (291);
It is characterized in that, described cartridge device also comprises:
Locking member (25), being arranged on the side away from described second locking piece of described first locking piece coaxially with described first locking piece, moving between described primary importance and the second place for making described first locking piece when along the circumferential direction rotating;
Torsionspring (24), first end matches with described nut sleeve (22), second end matches with described locking member (25), drives described locking member (25) along the circumferential direction to rotate by the release amount of torsional energy be stored in torsionspring (24).
2. cartridge device according to claim 1, is characterized in that,
Described nut sleeve (22) comprises nut sleeve driver slot (224) and is positioned at nut sleeve driving limit (221) of described nut sleeve driver slot (224) both sides;
Described torsionspring (24) comprise the torsionspring locating detent (241) that is positioned at first end and be positioned at the second end for driving the torsionspring of described locking member (25) to have an effect pawl (242), described torsionspring locating detent (241) drives and is resisted against described nut sleeve time described locking member (25) at described torsionspring pawl (242) of having an effect and drives on limit (221).
3. cartridge device according to claim 2, is characterized in that, described cartridge device also comprises driver part (27), overcoat (50) and rolling member (26), wherein
Described locking member (25) is arranged locking member spring groove (253), locking member cam groove (252) and locking member drive division (251), described torsionspring pawl (242) of having an effect is arranged at described locking member spring groove (253) ordinatedly;
Described driver part (27) is arranged between described locking member (25) and described first locking piece, comprise driver part drive division (271) and positioning through hole (272), described driver part drive division (271) is arranged in described nut sleeve driver slot (224);
Described overcoat (50) and described chuck cylindrical shell (11) are coaxially arranged, be set in the outside of described locking member (25) and described driver part (27), comprise the driver slot (51) be equipped with described locking member drive division (251) and described driver part drive division (271);
Described rolling member (26) is arranged at described positioning through hole (272), and described rolling member (26) two ends are given prominence to the surface of described driver part (27) and are connected on described locking member (25) and described first locking piece respectively, described rolling member (26) is in mated condition according to the relative angle of described Lock Part (25) and described driver part (27) with described locking member cam groove (252) or removes mated condition;
Described first locking piece is in described primary importance under described mated condition, under described releasing mated condition, be in the described second place.
4. cartridge device according to claim 3, is characterized in that,
Described nut sleeve (22) comprises nut sleeve spring detent (223);
Described driver part (27) comprises driver part limited impression (273), when described jaw (12) and described nut (21) are tightened, described nut sleeve spring detent (223) coordinates with described driver part limited impression (273), makes described driver part (27) fixing relative to described nut sleeve (22).
5. cartridge device according to claim 4, is characterized in that, described cartridge device comprises biased element (23b), for applying the lasting biasing force contrary with the force direction that described rolling member (26) applies to described first locking piece.
6. cartridge device according to any one of claim 1 to 5, is characterized in that, described first locking piece is locking ring gear (28), and described locking ring gear (28) comprising:
Locking ring gear main body, in sleeve-shaped, be sheathed on described chuck cylindrical shell (11) outer peripheral face, described first engaging piece (282) is arranged at described locking ring gear main body towards on the end face of described second locking piece;
Locking teeth ring flange (281), radially give prominence to from described locking ring gear main body outer peripheral face, and make described locking ring gear (28) relative to described nut sleeve (22) without being arranged in described nut sleeve driver slot (224) rotationally.
7. cartridge device according to claim 6, is characterized in that, described second locking piece is fixing ring gear (29), and described fixing ring gear (29) comprising:
Fixed part, in sleeve-shaped, is sheathed on the outer peripheral face of described chuck cylindrical shell (11) regularly;
Flange portion, described second engaging piece (291) is arranged at described flange portion towards on the end face of described locking ring gear (28).
8. cartridge device according to claim 1, is characterized in that, described nut (21) is combined by two and half arch sections be interlocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210036766.6A CN103252513B (en) | 2012-02-17 | 2012-02-17 | Cartridge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210036766.6A CN103252513B (en) | 2012-02-17 | 2012-02-17 | Cartridge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103252513A CN103252513A (en) | 2013-08-21 |
| CN103252513B true CN103252513B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210036766.6A Active CN103252513B (en) | 2012-02-17 | 2012-02-17 | Cartridge device |
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| CN (1) | CN103252513B (en) |
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| CN104416187B (en) * | 2013-08-28 | 2017-06-16 | 苏州宝时得电动工具有限公司 | The operating method of power tool and its quick locking and release working accessory |
| DE102013111731A1 (en) * | 2013-10-24 | 2015-04-30 | Röhm Gmbh | chuck |
| DE102013111730A1 (en) * | 2013-10-24 | 2015-04-30 | Röhm Gmbh | chuck |
| CN105784413A (en) * | 2016-04-27 | 2016-07-20 | 镇江市建科工程质量检测中心有限公司 | Core driller for exterior wall energy efficiency inspection |
| CN107414745B (en) * | 2016-05-24 | 2024-01-09 | 苏州宝时得电动工具有限公司 | Chuck device and electric tool provided with same |
| KR20200011452A (en) * | 2017-05-26 | 2020-02-03 | 레빅론 게엠베하 | Self-locking hollow shaft clamping mechanism |
| US11123807B2 (en) * | 2018-03-21 | 2021-09-21 | Apex Brands, Inc. | Chuck multi-mode jaw movement |
| CN111000612A (en) * | 2019-12-09 | 2020-04-14 | 中国人民解放军总医院第五医学中心 | Skull perforation drainage device |
| CN113492308B (en) * | 2020-03-20 | 2022-03-29 | 中国航发商用航空发动机有限责任公司 | Assembly system of gland nut and screwing positioning tool thereof |
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| CN2808376Y (en) * | 2005-07-28 | 2006-08-23 | 浙江三鸥机械股份有限公司 | Novel hand-operated drill chuck with self-locking function |
| CN101869996A (en) * | 2010-06-25 | 2010-10-27 | 山东威达机械股份有限公司 | Locking mechanism, chuck device with same and fastening clamp |
| CN202539611U (en) * | 2012-02-17 | 2012-11-21 | 山东威达机械股份有限公司 | Chuck device |
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| US6182978B1 (en) * | 1999-08-11 | 2001-02-06 | Chun Chu Hsueh | Self locking device for power tool |
| GB2361885A (en) * | 2000-05-02 | 2001-11-07 | Chum Power Machinery Corp | Self locking chuck for power tools |
| CN2787343Y (en) * | 2005-05-13 | 2006-06-14 | 浙江三鸥机械股份有限公司 | Self-locking hand-operated drill chuck |
| CN2808376Y (en) * | 2005-07-28 | 2006-08-23 | 浙江三鸥机械股份有限公司 | Novel hand-operated drill chuck with self-locking function |
| CN101869996A (en) * | 2010-06-25 | 2010-10-27 | 山东威达机械股份有限公司 | Locking mechanism, chuck device with same and fastening clamp |
| CN202539611U (en) * | 2012-02-17 | 2012-11-21 | 山东威达机械股份有限公司 | Chuck device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103252513A (en) | 2013-08-21 |
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