CN103252513A - Chuck device - Google Patents
Chuck device Download PDFInfo
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- CN103252513A CN103252513A CN2012100367666A CN201210036766A CN103252513A CN 103252513 A CN103252513 A CN 103252513A CN 2012100367666 A CN2012100367666 A CN 2012100367666A CN 201210036766 A CN201210036766 A CN 201210036766A CN 103252513 A CN103252513 A CN 103252513A
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- locking
- nut sleeve
- locking member
- ring gear
- nut
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Abstract
The invention provides a chuck device. The chuck device comprises a chuck cylinder, a plurality of clamping jaws, a nut, a nut sleeve, a first locking member, a second member, a fastening component and a torsion spring, wherein the first locking member comprises a first meshing portion, the first locking member and the nut sleeve are relatively fixedly arranged circumferentially, and the first locking member is provided with a first position and a second position along the axis direction of the chuck device; the second locking member and the chuck cylinder are relatively fixedly arranged, the second locking member comprises a second meshing portion matched with the first meshing portion, the first meshing portion and the second meshing portion are disconnected at the first position, and the first meshing portion and the second meshing portion are meshed at the second position; the fastening component is used for enabling the first locking member to move between the first position and the second position when rotating circumferentially; and a first end of the torsion spring is matched with the nut sleeve, a second end of the torsion spring is matched with the fastening component, and the torsion spring drives the fastening component to rotate circumferentially through releasing of torsion energy stored in the torsion spring.
Description
Technical field
The present invention relates to the processing equipment field, more specifically, relate to a kind of cartridge device.
Background technology
In the prior art, be used for the cartridge device complex structure of electric tool.For example in No. the 201010215225.0th, Chinese invention patent application, announced a kind of cartridge device, the structure of parts such as chuck disk body wherein, nut ring, nut gear and lock gear is very complicated, the technological requirement height, this has all brought certain degree of difficulty for 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 behind jaw and the nut screwing clamping.
The invention provides a kind of cartridge device, comprising: the chuck cylindrical shell, described chuck cylindrical shell has centre bore and axis; A plurality of jaws are arranged in the described chuck cylindrical shell, and the front portion of described jaw passes from described centre bore, and a plurality of described jaws comprise first screw thread; Nut is sheathed on the periphery of described chuck cylindrical shell, and described nut inner peripheral surface comprises second screw thread with described first threaded engagement, and described nut makes the same moved further of described a plurality of jaw around described axis rotation; Nut sleeve is sheathed on the described nut outside regularly; First locking piece comprises first engaging piece, and described first locking piece and described nut sleeve arrange on relative fixed ground in a circumferential direction, and have along primary importance and the second place of the axis direction of described cartridge device; Second locking piece arranges with described chuck cylindrical shell relative fixed ground, comprises second engaging piece that cooperates with described first engaging piece, in described primary importance, described first engaging piece and described second engaging piece are thrown off, in the described second place, and described first engaging piece and the engagement of 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, is used for making when along the circumferential direction rotating described first locking piece mobile between described primary importance and the second place; Torsionspring, first end matches with described nut sleeve, and second end matches with described locking member, is stored in amount of torsional energy in the torsionspring by release and drives described locking member and along the circumferential direction rotate.
Further, described nut sleeve comprises that nut sleeve driver slot and the nut sleeve that is positioned at described nut sleeve driver slot both sides drive the limit; The torsionspring that is used for driving described locking member that described torsionspring comprises the torsionspring locating detent that is positioned at first end and is positioned at second end pawl of having an effect, described torsionspring locating detent are had an effect at described torsionspring and are resisted against described nut sleeve when pawl drives described locking member and drive on the limit.
Further, described cartridge device also comprises driver part, overcoat and rolling member, locking member spring groove, locking member cam groove and locking member drive division are set on the wherein said locking member, and the 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 the described nut sleeve driver slot; Described overcoat and the coaxial setting of described chuck cylindrical shell are set in the outside of described locking member and described driver part, comprise the driver slot that is equipped with described locking member drive division and described driver part drive division; Described rolling member is arranged at described positioning through hole, and the surface of the outstanding described driver part in described rolling member two ends also is connected to respectively on described locking member and described first locking piece, and described rolling member is in mated condition or releasing mated condition according to the relative angle of described Lock Part and described driver part with described locking member cam groove; Described first locking piece is in described primary importance under described mated condition, be in the described second place under described releasing mated condition.
Further, described nut sleeve comprises the nut sleeve spring detent; Described driver part comprises the driver part limited impression, and when described jaw and described nut screwing clamping, described nut sleeve spring detent cooperates with described driver part limited impression, and described driver part is fixed with respect to described nut sleeve.
Further, described cartridge device comprises biased element, is used for described first locking piece is applied the opposite lasting biasing force of force direction that applies with described rolling member.
Further, described first locking piece is the locking ring gear, and described locking ring gear comprises: locking ring gear main body is the cover tubular, be sheathed on described chuck cylindrical shell outer peripheral face, described first engaging piece is arranged at described locking ring gear main body on the end face of described second locking piece; Locking ring gear flange, radially outwards outstanding from described locking ring gear main body outer peripheral face, and described locking ring gear is not had with respect to described nut sleeve be arranged at rotationally in the described nut sleeve driver slot.
Further, described second locking piece is fixing ring gear, and described fixedly ring gear comprises: fixed part, be the cover tubular, and be sheathed on regularly on the outer peripheral face of described chuck cylindrical shell; Flange portion, described second engaging piece is arranged at described flange portion on the end face of described locking ring gear.
Further, described nut is combined by two and half arch sections that are interlocked.
According to cartridge device of the present invention, each design of part is simple, can enter lock-out state automatically behind jaw and the nut screwing clamping.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction 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;
Fig. 4 is the perspective view during according to the unlocked state of cartridge device of the present invention;
Fig. 5 be according to cartridge device of the present invention screw state the time perspective view;
Fig. 6 is the perspective view during according to the lock-out state of cartridge device of the present invention; And
Fig. 7 is the perspective view according to the overcoat of cartridge device of the present invention.
The specific embodiment
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove, under the situation of not conflicting,
Embodiment and the feature among the embodiment among the application can make up mutually.
As shown in Figure 1 to Figure 3, the cartridge device 1 of present embodiment comprises clamper main body 10, control volume 20, annex 30, back cover 40 and overcoat 50.Cartridge device 1 can be installed in the front end of electric tool (not shown), be used for for example instrument such as drill bit of clamping, wherein electric tool comprises the shell that has handle and the main shaft that is arranged on shell the place ahead, wherein main shaft rotates by the driving that is arranged on the motor that enclosure can positive and negative rotation, the rear end of the chuck cylindrical shell 11 of clamper main body 10 hollows of main shaft and cartridge device 1 shown in Figure 1 is fastenedly connected, thereby when work, main shaft can drive cartridge device 1 and clamping tools is rotated.
In the present embodiment, annex 30 comprises jump ring 31, pad 32 and thrust bearing 33, wherein jump ring 31 is pressed on pad 32 on the thrust bearing 33, and apply the power to the front side by 32 pairs of thrust bearings 33 of pad, make thrust bearing 33 be against the rear side of nut 21, thereby can reduce nut 21 resistance when rotated.In the present embodiment, " preceding " refers to the direction that jaw 12 stretches out from chuck cylindrical shell 11, i.e. right side among Fig. 1, and " back " refers to the side that is connected with the main shaft of electric tool, i.e. left side among Fig. 1.As shown in Figure 1, after jump ring 31 installs, just snap in jump ring groove 52 (see figure 7)s on the overcoat 50, limited the axial location of nut 21 on the one hand, also played on the other hand overcoat 50 has been carried out the effect of axial location, overcoat 50 can only be rotated with respect to clamper main body 10, but can not move axially.
The interior sidewall surface of overcoat 50 is except comprising jump ring groove 52, also comprised along circumferential three uniform grooves 51, during user's rotary sleeve 50, can cooperating by groove 51 and control volume 20, drive the appropriate section motion of control volume 20, thereby 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 cylinder roughly, has for the rear quarters body that is connected with main shaft, middle body portion and the precursor portion that passes for jaw 12.The external diameter of middle body portion is according to the corresponding component of its outside control volume of installing 20 and change, and for example, as shown in Figure 1, middle body portion cooperates and the location with jump ring 31, pad 32, thrust bearing 33 respectively.The patchhole that chuck cylindrical shell 11 has hollow along self axis L direction.Along circumferential uniform three jaw installing holes of chuck cylindrical shell 11, each jaw installing hole extends from the inside all sides of the outer circumferential side of chuck cylindrical shell 11 to precursor portion simultaneously from the middle body portion of chuck cylindrical shell 11.As shown in Figure 1, the extended line at three jaw installing hole centers intersects on the 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 stretches out from the patchhole of chuck cylindrical shell 11 precursor portions, 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 big I of clamping hole changes with the movement of jaw 12 along axis L direction.
The leading section inner peripheral surface of jaw 12 has the press surface with axis L almost parallel, and the surface of press surface also comprises many grooves that are roughly parallel to axis L, with the frictional force of increase with clamping device.The rear portion outer peripheral face of jaw 12 has screw thread, as shown in Figure 1, the part of screw thread is exposed to the outside of chuck cylindrical shell 11, be used for matching with the nut 21 of control volume 20, at nut 21 during along screw thread rotation, can realize the same moved further of three jaws 12 accordingly, thereby realize unclamping and operation such as screwing of jaw 12.
For easy for installation, in the present embodiment, nut 21 has adopted two and half arch sections that are interlocked to combine, the posterior segment, inside of nut 21 comprise from after the taper type hole that diminishes of internal diameter forward, have the screw thread that matches with the screw thread of jaw 12 at the sidewall that forms the taper type hole.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, junction at taper type hole and cylindrical hole has formed stage portion, and chuck cylindrical shell 11 is installed in the appropriate section of nut 21, its profile is taper type part and the cylindrical section of relative set for matching with nut 21 also, 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, the axial location of nut 21 is namely by stage portion and 31 lockings of aforesaid jump ring, thereby nut 21 does not have substantially with respect to chuck cylindrical shell 11 and moves axially, and can only be rotated along axis L and move.
The both sides of each nut sleeve lug boss 222 of nut sleeve 22 have formed nut sleeve and have driven limit 221, all form a nut sleeve driver slot 224 between per two nut sleeve lug bosses 222, the stay that is used for ccontaining stay 25 described later in this nut sleeve driver slot 224 drives the driving chip driving flange 271 of flange 251 and driving chip 27, limit 221 is used for driving flange 251 with stay and driving chip driving flange 271 matches and nut sleeve drives, under the driving of stay 25 and driving chip 27, rotating, thereby drive nut 21 corresponding rotations.
On each nut sleeve lug boss 222, also be 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 fillet and free end with nut sleeve lug boss 222 one, free-ended end has to projecting inward dog, this dog is used for matching with driving chip limited impression 273 on the driving chip 27, after tightening at cartridge device 1, prevent that driving chip 27 and stay 25 from rotating jointly, is in the lock state cartridge device thereby lock sheet 25.
Three nut sleeve lug bosses 222 of nut sleeve 22 surround a cylindric space, in this space along axis L direction from after ccontaining successively forward torsionspring 24, stay 25, steel ball 26, driving chip 27 and locking ring gear 28.Wherein between the nut 21 of nut sleeve 22 inside and torsionspring 24, also be provided with packing ring 23a.
Torsionspring 24 is installed between packing ring 23a and the stay 25, comprise the torsionspring locating detent 241 that is positioned at same nut sleeve driver slot 224 and the torsionspring pawl 242 of having an effect, torsionspring locating detent 241 drives limit 221 with nut sleeve and contacts, the torsionspring pawl 242 of having an effect is arranged in the stay spring groove 253 ordinatedly, after torsionspring 24 has stored compression energy, under the situation that external force is removed, make torsionspring have an effect pawl 242 to the position motion away from torsionspring locating detent 241, thereby relatively rotate between the active force of torsionspring 24 drive stay 25 and the nut sleeve 22.
Stay 25 comprises the stay main body of ring-type, and comprises that the stay of radially outward giving prominence to along the stay main body drives flange 251, and each stay drives flange 251 and stretches into respectively in the nut sleeve driver slot 224.Three staies drive the uniform setting in the position of flange 251 on the stay main body, and the outer end that one of them stay drives flange 251 is provided with stay spring groove 253.Stay 25 can relatively rotate certain angle with respect to nut sleeve 22, also is that the width of nut sleeve driver slot 224 is greater than the width of stay driving flange 251.Thereby stay drives the side of flange 251 and contacts and can transmit moment of torsion to nut sleeve 22 by driving limit 221 with nut sleeve on the one hand, groove 51 with overcoat 50 inboards cooperates on the other hand, is passed to nut sleeve 22 thereby user's rotary sleeve 50 can drive flange 251 by stay with moment of torsion.Each stay of stay 25 drives on the flange 251 and also is provided with stay cam groove 252 respectively, this stay cam groove 252 is used for matching with steel ball 26, when steel ball 26 enters stay cam groove 252, steel ball 26 is side shifting backward vertically, can make locking ring gear 28 described later and fixedly break away from engagement between the ring gear 29, and steel ball is when shifting out from stay cam groove 252, steel ball 26 is side shifting forward vertically, lock ring gear 28 and fixedly then be in engagement between the ring gear 29, then cartridge device 1 is in blocked state.
Jump ring 23c is arranged at the front side of elastomeric pad 23b, to the front side formation axial location of elastomeric pad 23b.
Fixedly ring gear 29 is fixedly arranged on the outer peripheral face of precursor portion of chuck cylindrical shell 11, it comprises the fixed part of the cover tubular that is positioned at the front side and is positioned at the flange portion of rear side, wherein fixed part is sheathed on the outer peripheral face of precursor portion of chuck cylindrical shell 11 regularly, be provided with on the rear end face of flange portion and lock the fixedly ring gear end face tooth 291 that ring gear end face tooth 281 cooperates, with tooth 281 engagements of locking ring gear end face or break away to realize locking or unlock.
Below each duty of cartridge device 1 is described in detail.
Unlocked state.As shown in Figure 4, this moment, steel ball 26 was positioned at the stay cam groove 252 of stay 25, and the lateral movement backward under the elastic force effect that elastomeric pad 23b provides of locking ring gear 28 keeps breaking away from engagements with fixing ring gear 29.Nut sleeve 22 and locking ring gear 28, stay 25, driving chip 27 etc. are around the axis rotation of chuck cylindrical shell 11, thereby can make jaw 12 mobile in three inclined holes of chuck cylindrical shell 11 by the effect of screw thread, thereby make the clamping holes that form in the middle of three jaws 12 become big or diminish, the clamping of implementation tool or unclamp.
Screw state.This state is a kind of state that applies moment of torsion.Three jaws 12 abutted against together or contacted with clamping tools this moment.Drive flange 251 and driving chip from the moment of torsion of the groove 51 of overcoat 50 by stay and drive flange 271 and transmit to nut sleeve 22, make and continue to relatively rotate between nut 21 and the jaw 12, thus clamping device more securely.Afterwards because no longer relative motion between nut 21 and the jaw 12, continue rotary sleeve 50 and make that torsionspring 24 is compressed and store amount of torsional energy.As shown in Figure 5, at this moment, nut sleeve spring detent 223 enters driving chip limited impression 273, but do not relatively rotate between stay 25 and the driving chip 27, this moment, steel ball 26 still was positioned at stay cam groove 252, and locking ring gear 28 keeps breaking away from engagements with fixing ring gear 29 under the elastic force effect that elastomeric pad 23b provides.
Lock-out state.As shown in Figure 6, at this moment, the user unclamps overcoat 50, and the moment of torsion that imposes on overcoat 50 is eliminated, and the amount of torsional energy of torsionspring 24 storages is released.Because nut sleeve spring detent 223 is positioned at driving chip limited impression 273, can stop between driving chip 27 and the nut sleeve 22 and rotate, torsionspring 24 then drives stay 25 around axis L rotation, therefore relatively rotate certain angle between stay 25 and the driving chip 27, so steel ball 26 spins off from stay cam groove 252, promote locking ring gear 28 and overcome the elastic resistance of elastomeric pad 23b and fixedly ring gear 29 engagements, thereby realize the locking of cartridge device.
Release process.When applying one to overcoat 50 when screwing the opposite moment of torsion of direction, groove 51 on the overcoat 50 drives driving chip and drives the elastic force obstruction that flange 271 overcomes torsionspring 24, overcome the obstruction of nut sleeve spring detent 223 simultaneously, rotate an angle relative to nut sleeve 22, steel ball 26 reenters in the stay cam groove 252, locking ring gear 28 enters unlocked state again in the effect lower edge of elastomeric pad 23b elastic force axis L side shifting and break away from engagement with fixing ring gear 29 backward.
Above embodiment should not be construed as limiting the present invention, for example, nut and nut sleeve can be wholely set; Steel ball is available cylinder or convex column replacement also; The cancellation thrust bearing; Thrust spring can substitute even cancellation with other parts that can reduce to rub; The nut sleeve driver slot can not be set to three, but is set to one, two or other quantity, and that locking plate drives quantity that flange, driving chip drive flange, locking ring gear flange is corresponding identical etc. with the quantity of nut sleeve driver slot respectively.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect: present embodiment adopts parts simple in structure, has realized automatically locking behind jaw and the nut screwing clamping.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. cartridge device comprises:
Chuck cylindrical shell (11), described chuck cylindrical shell (11) have centre bore and axis (L);
A plurality of jaws (12) are arranged in the described chuck cylindrical shell (11), and the front portion of described jaw (12) passes from described centre bore, and a plurality of described jaws (12) comprise first screw thread;
Nut (21) is sheathed on the periphery of described chuck cylindrical shell (11), and described nut (21) inner peripheral surface comprises second screw thread with described first threaded engagement, and described nut (21) makes the same moved further of described a plurality of jaw (12) around described axis (L) rotation;
Nut sleeve (22) is sheathed on described nut (21) outside regularly;
It is characterized in that described cartridge device also comprises:
First locking piece (28) comprises first engaging piece (282), and described first locking piece (28) arranges on relative fixed ground in a circumferential direction with described nut sleeve (22), and has along primary importance and the second place of the axis direction of described cartridge device;
Second locking piece (29), arrange with described chuck cylindrical shell (11) relative fixed ground, comprise second engaging piece (291) that cooperates with described first engaging piece (282), in described primary importance, described first engaging piece (282) is thrown off with described second engaging piece (291), in the described second place, described first engaging piece (282) and described second engaging piece (291) engagement;
Locking member (25), be arranged on the side away from described second locking piece (29) of described first locking piece (28) coaxially with described first locking piece (28), be used for when along the circumferential direction rotating, making described first locking piece (28) mobile between described primary importance and the second place;
Torsionspring (24), first end matches with described nut sleeve (22), and second end matches with described locking member (25), is stored in amount of torsional energy in the torsionspring (24) by release and drives described locking member (25) and along the circumferential direction rotate.
2. cartridge device according to claim 1 is characterized in that,
Described nut sleeve (22) comprises nut sleeve driver slot (222) and is positioned at the nut sleeve driving limit (221) of described nut sleeve driver slot (222) both sides;
The torsionspring that be used for to drive described locking member (25) that described torsionspring (24) comprises the torsionspring locating detent (241) that is positioned at first end and is positioned at second end pawl (242) of having an effect, described torsionspring locating detent (241) are had an effect at described torsionspring and are resisted against described nut sleeve when pawl (242) drives described locking member (25) and drive on the 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
Locking member spring groove (253), locking member cam groove (252) and locking member drive division (251) are set on the described locking member (25), and the 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 (28), comprise driver part drive division (271) and positioning through hole (272), described driver part drive division (271) is arranged in the described nut sleeve driver slot (222);
Described overcoat (50) and the coaxial setting of described chuck cylindrical shell (11), be set in the outside of described locking member (25) and described driver part (27), comprise the driver slot (51) that is 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 the surface of the outstanding described driver part (27) in described rolling member (26) two ends also is connected to respectively on described locking member (25) and described first locking piece (28), and described rolling member (26) is in mated condition or removes mated condition with described locking member cam groove (252) with the relative angle of described driver part (27) according to described Lock Part (25);
Described first locking piece (28) is in described primary importance under described mated condition, be in the described second place under described releasing mated condition.
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), described jaw (12) and described nut (21) are when tightening, described nut sleeve spring detent (223) cooperates with described driver part limited impression (273), makes described driver part (27) fixing with respect to described nut sleeve (22).
5. cartridge device according to claim 4 is characterized in that, described cartridge device comprises biased element (23b), is used for described first locking piece (28) is applied the opposite lasting biasing force of force direction that applies with described rolling member (26).
6. according to each described cartridge device in the claim 1 to 5, it is characterized in that described first locking piece is locking ring gear (28), described locking ring gear (28) comprising:
Locking ring gear main body is the cover tubular, is sheathed on described chuck cylindrical shell (11) outer peripheral face, and described first engaging piece (282) is arranged at described locking ring gear main body on the end face of described second locking piece;
Locking ring gear flange (281), radially outwards outstanding from described locking ring gear main body outer peripheral face, and described locking ring gear (28) is arranged in the described nut sleeve driver slot (222) rotationally with respect to described nut sleeve (22) nothing.
7. cartridge device according to claim 6 is characterized in that, described second locking piece is fixing ring gear (29), and described fixedly ring gear (29) comprising:
Fixed part is the cover tubular, is sheathed on regularly on the outer peripheral face of described chuck cylindrical shell (11);
Flange portion, described second engaging piece (291) are arranged at described flange portion 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 that are 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 true CN103252513A (en) | 2013-08-21 |
| CN103252513B CN103252513B (en) | 2015-10-28 |
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Family Applications (1)
| 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) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2865471A1 (en) * | 2013-10-24 | 2015-04-29 | Röhm GmbH | Chuck for drill |
| EP2865470A1 (en) * | 2013-10-24 | 2015-04-29 | Röhm GmbH | Chuck for drill |
| 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 |
| JP2016529122A (en) * | 2013-08-28 | 2016-09-23 | ▲蘇▼州宝▲時▼得▲電▼▲動▼工具有限公司 | Operation method to quickly tighten and release power tools and work accessories |
| CN107414745A (en) * | 2016-05-24 | 2017-12-01 | 苏州宝时得电动工具有限公司 | Cartridge device and the electric tool provided with the cartridge device |
| 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 |
| CN112203798A (en) * | 2018-03-21 | 2021-01-08 | 捷可勃斯夹头制造（苏州）有限公司 | Chuck with multi-mode jaw movement |
| CN113492308A (en) * | 2020-03-20 | 2021-10-12 | 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 |
| CN114042949A (en) * | 2017-05-26 | 2022-02-15 | 莱维克龙有限公司 | Clamping device, rotating or positioning device and method for extracting rotating shaft from rotating or positioning device |
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