CN105437132B - adaptive sleeve - Google Patents

adaptive sleeve Download PDF

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Publication number
CN105437132B
CN105437132B CN201410271011.3A CN201410271011A CN105437132B CN 105437132 B CN105437132 B CN 105437132B CN 201410271011 A CN201410271011 A CN 201410271011A CN 105437132 B CN105437132 B CN 105437132B
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CN
China
Prior art keywords
sleeve
self adaptation
rotation set
interior
lock tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410271011.3A
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Chinese (zh)
Other versions
CN105437132A (en
Inventor
王小勇
章智
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Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Priority to CN201410271011.3A priority Critical patent/CN105437132B/en
Publication of CN105437132A publication Critical patent/CN105437132A/en
Application granted granted Critical
Publication of CN105437132B publication Critical patent/CN105437132B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The invention discloses an adaptive sleeve comprising a sleeve support, an adjusting piece connected with the sleeve support in a slide manner at least in a radial direction, and a slide sleeve; when the slide sleeve approaches to the adjusting piece in an axial direction, the adjusting piece can move inwards in a radial direction; the sleeve support comprises a sleeve portion matched with the adjusting piece and a support portion at least partially contained in the slide sleeve; the sleeve portion is formed in front of the support portion in the axial direction; the adjusting piece is at least provided with a movable sleeving structure capable of fast transmitting torque through making contact; the adaptive sleeve also comprises an operation assembly; the operation assembly can push the slide sleeve to axially move forwards, and can limit the slide sleeve from axially moving backwards; the operation assembly at least comprises a first operation state in which the axial position is locked and a second operation state in which the axial position is unlocked. The adaptive sleeve can adjust to suit for different model fasteners when needed by users.

Description

Self adaptation sleeve
Technical field
The present invention relates to a kind of attachment and in particular to a kind of for the self adaptation sleeve on torque spanner.
Background technology
Torque spanner enables the fastening work to securing members such as nut or bolts, to divide torsion according to whether dynamic source Torque wrench includes power torque wrench and manual torque spanner.In order that a torque spanner can be applied to polytypic as far as possible Securing member, torque spanner is often provided with an export head, and the sleeves being adapted to export head by changing difference can be tight Gu the securing member of different model.But so, greater number of sleeve undoubtedly increased cost and is unfavorable for user's Carry and change.
Content of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide one kind can be in user if necessary by regulation To be applied to the self adaptation sleeve of the securing member of different model.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of self adaptation sleeve, including:Bush support and bush support at least radially constitute the adjustment being slidably connected Block, the sliding sleeve that adjustment block moves radially inwardly can be made when itself is axially move closer to adjustment block;Bush support includes:With adjustment The sleeve part of block cooperation and the cradle portion being at least partially housed in sliding sleeve, sleeve part is formed at the front side of cradle portion axial direction;Adjust Monoblock also include at least provided with the dynamic sleeve structure that can pass through the fast torque delivery of contact, self adaptation sleeve:Sliding sleeve can be promoted to make its edge Moved axially forward and can limit the operating assembly that sliding sleeve moves axially rearward, operating assembly at least has makes its own axially First mode of operation of position locking or unblock and the second mode of operation.
Further, operating assembly includes:One gland being axially moveable during turn on bush support, an energy And can when away from gland lock in rotation set fixing with the interior rotation set of gland synchronous axial system, relative sleeve support circumferential position The lock tube of circumferential position, a bias lock tube make it have the first biased element of the trend away from gland.
Further, operating assembly also includes:One fix with interior rotation set circumferential relative position but can be relative in the axial direction The outer rotation set sliding, outer rotation set is formed with:One mantle cavity, end supplying cradle portion pass through outer by hole;Mantle cavity Open at one end, the other end is provided with and passes through outward hole;Gland, the first biased element, interior rotation set, lock tube are attached to outer from front to back successively Rotation set, the first biased element, interior rotation set, lock tube are contained in mantle cavity, and gland is partially received in mantle cavity.
Further, lock tube includes:Sticking department positioned at front end and the supporting part being located at rear end, sticking department outer rim is formed with Protrude in the circumferential and equally distributed lock tooth, lock tube is sleeve structure, and bush support is at least partially across lock tube.
Further, interior rotation set is formed with:One interior mantle cavity, end supplying cradle portion pass through interior by hole, interior Mantle cavity front end is uncovered, rear end formed in pass through hole, the interior mantle cavity of interior rotation set is formed with can be with the clamping block of lock tooth cooperation.
Further, the sticking department of lock tube is arranged in interior mantle cavity, the supporting part of lock tube pass through interior by hole and withstand outer Rotation set.
Further, the cradle portion of bush support is provided with external screw thread, and gland is provided with the internal thread hole with external screw thread cooperation.
Further, the first biased element is the helical spring in a cradle portion being sleeved on bush support.
Further, self adaptation sleeve also includes:Adjustment block can be biased makes them radially separated from one another second bias Element, sliding sleeve is made to have the 3rd biased element to the trend away from adjustment block movement in the axial direction.
Further, the 3rd biased element includes more than one helical spring;Self adaptation sleeve also includes:One fixation Sliding sleeve away from adjustment block one side end spring support, spring support includes:Rack body and guide rod;Guide rod extend into sliding sleeve Inside, bush support is formed with gathering sill corresponding with guide rod position in the circumferential, and the 3rd biased element is sleeved on guide rod, Its one end withstands rack body, and the other end is arranged in gathering sill and withstands bush support.
The invention has benefit that:There is provided one kind can user if necessary by adjust to be applied to different model Securing member self adaptation sleeve, and a circumferential position that can lock sliding sleeve relative sleeve support is provided with self adaptation sleeve The operating assembly put, when self adaptation sleeve is in the course of work, it can be avoided that because violent vibrations make threads turn Self adaptation sleeve is led to get loose or locking securing member, so that self adaptation sleeve of the present invention is maintained at a fixing state.
Brief description
Fig. 1 show the structural representation of the self adaptation sleeve of first embodiment of the invention;
Fig. 2 show the explosive view of the self adaptation sleeve in Fig. 1;
Fig. 3 show the structural representation of Fig. 2 middle sleeve support;
Fig. 4 show the structural representation of adjustment block in Fig. 2;
Fig. 5 show the structural representation in another orientation of adjustment block in Fig. 4;
Fig. 6 show the structural representation of operating assembly in Fig. 2;
Fig. 7 show the structural representation that Fig. 2 turns over another orientation of operating assembly;
Fig. 8 show the structural representation of the bush support of second embodiment of the invention;
Fig. 9 show the structural representation of the bush support of third embodiment of the invention;
Figure 10 show the profile of the self adaptation sleeve of the present invention;
Figure 11 show the profile in another orientation of the self adaptation sleeve of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is made with specific introduction.
The present invention proposes a kind of self adaptation sleeve.Fig. 1 show the structure of the self adaptation sleeve of first embodiment of the invention Schematic diagram;Fig. 2 show the explosive view of the self adaptation sleeve in Fig. 1.Please with reference to Fig. 1 and Fig. 2, the self adaptation set of the present invention Cylinder includes:Bush support 100, adjustment block 200, sliding sleeve 300 and operating assembly 400, wherein operating assembly 400 can promote sliding sleeve 300 relative sleeve supports 100 slide.
Fig. 3 show the structural representation of Fig. 2 middle sleeve support.Please with reference to Fig. 2 and Fig. 3, bush support 100 is substantially Assume cylinder, it includes sleeve part 110 and cradle portion 120.There is on bush support 100 one and pass through the of its center One axis Y, defines first axle here and the direction parallel to first axle is axial direction, perpendicular to the direction of first axle For radially, the circumferencial direction around first axle is circumference, for convenience of explanation, also define middle sleeve support of the present invention simultaneously Before the direction of 100 sleeve part 110 is the present invention, after the direction of cradle portion 120 is the present invention, fore-and-aft direction here is only Be for only for ease of clearly explanation technical scheme and arrange, be not intended as limit the present invention essentiality content.
Sleeve part 110 is formed at the front side of cradle portion 120 axial direction, forms one thereon and houses the securing members such as bolt, screw Receiving space(Figure is not marked), the interior of sleeve part 110 had and can be matched with the structure of the securing members such as bolt, screw Determine sleeve structure 111, this is determined, and sleeve structure 111 is fixed to be arranged on bush support 100;The side wall of sleeve part 110 Structure is matched with the structure of adjustment block 200, and wall circumference in side is provided with the breach 112 housing adjustment block 200, this breach 112 with Receiving space insertion, so, the adjustment block 200 at breach 112 can radially be slided.Cradle portion 120 is partially accommodated in In sliding sleeve 300, outside it, it is provided with external screw thread 121.
Fig. 4 show the structural representation of adjustment block in Fig. 2, and Fig. 5 show the structure in another orientation of adjustment block in Fig. 4 Schematic diagram.Please with reference to Fig. 2 to Fig. 5, in the present embodiment, self adaptation sleeve includes a pair of adjustment block 200, its symmetrical peace It is loaded on sleeve part 110, and radially constitutes with bush support 100 and be slidably connected, adjustment block 200 houses near sleeve part 110 The side in space be provided with can by contacting with securing member and the dynamic sleeve structure 210 of quick transmitting torque, its structure with determine suit Structure 111 is mated, and determines sleeve structure 111 by this and the collective effect of dynamic sleeve structure 210 can the fastening such as fishbolt, screw Part, and adjustment block 200 is provided with an adjustment inclined-plane 220 away from the side of sleeve part 110 receiving space, adjustment inclined-plane 220 is located Direction intersect with axially inclined.
Sliding sleeve 300 is sheathed in the cradle portion 120 of bush support 100, and can sliding axially outside in cradle portion 120 Dynamic.Sliding sleeve 300 is hollow structure, is provided with driving inclined-plane 310, this driving inclined-plane 310 is oblique with the adjustment in adjustment block 200 inside it Face 220 is parallel to each other, and when sliding sleeve 300 in cradle portion 120 axially move closer to adjustment block 200 when, driving inclined-plane 310 thereon Contact with adjustment inclined-plane 220 and contact area is increasing, so as to drive adjustment block 200 to move radially inwardly.
Fig. 6 show the structural representation of operating assembly in Fig. 2;Fig. 7 show Fig. 2 and turns over another orientation of operating assembly Structural representation.Please with reference to Fig. 2, Fig. 3, Fig. 6 and Fig. 7, operating assembly 400 can promote sliding sleeve 300 to make it axially forward Mobile and can limit sliding sleeve 300 and move axially rearward, it includes making the of itself relative sleeve support 100 axial location locking One mode of operation and the second mode of operation of unblock.Specifically, operating assembly 400 includes:Gland 410, interior rotation set 420, lock tube 430th, the first biased element 440 and outer rotation set 450.
The inside of gland 410 is provided with the internal thread hole 411 with external screw thread 121 cooperation in cradle portion 120, by this interior spiral shell Pit 411 so that gland 410 can be axially moveable during turn on bush support 100, gland 410 by press-fit etc. mode with Interior rotation set 420 connects, for example, so that gland 410 is fixed in interior rotation set 420 by way of interference fit, thus both can be same Step rotates.
Interior rotation set 420 is a set of tubular construction, and it can rotate on bush support 100.Interior rotation set 420 includes mantle cavity in 421 and one for cradle portion 120 end pass through interior by hole 422, the front end of interior mantle cavity 421 is uncovered, and it is interior that rear end forms this By hole 422.Also form several clamping blocks 423 in the inner side of interior mantle cavity 421, external circumferential forms force-driven topology 424.
Lock tube 430 is a set of tubular construction, and bush support 100 partially passes through this sleeve structure.The middle part of lock tube 430 is provided with flat Bit architecture 431, its structure matching with cradle portion 120, lock tube 430 can be installed on by cradle portion 120 by this flat bit architecture 431 On, and so that lock tube 430 relative sleeve support 100 circumferential position is fixed.Lock tube 430 also includes:Sticking department 432 He positioned at front end Positioned at the supporting part 433 of rear end, sticking department 432 is arranged in the interior mantle cavity 421 of interior rotation set 420, is formed at sticking department 432 outer rim There is the lock tooth 434 that several are outwardly, several lock teeth 434 are uniformly distributed in the circumference of sticking department 432 outer rim, thus working as When lock tube 430 is axially away from gland 410, lock tooth 434 thereon will be engaged with the clamping block 423 on interior rotation set 420, thus The circumferential position of rotation set 420 relative sleeve support 100 in locking;Supporting part 433 pass through interior rotation set 420 on interior by hole 422 And withstand outer rotation set 450.
First biased element 440 is located between gland 410 and lock tube 430, in the present embodiment, the first biased element 440 It is sleeved on the helical spring in the cradle portion 120 of bush support 100 for one.First biased element 440 bias lock tube 430 makes lock Set 430 has the trend away from gland 410 vertically, that is to say and makes the lock tooth 434 on lock tube 430 on interior rotation set 420 Clamping block 423 simultaneously finally makes lock tooth 434 engage with clamping block 423 and locks the circumferential position of the relative lock tube 430 of interior rotation set 420.
Outer rotation set 450 is fixed with interior rotation set 420 circumferential position, but can relative sleeve support 100 relatively slide in the axial direction. Specifically, outer rotation set 450 includes:One mantle cavity 451 and one pass through outward hole 452, the open at one end of mantle cavity 451, separately One end arrange this outer by hole 452;It is less than outward the internal diameter of mantle cavity 451 by the diameter in hole 452, it is used for making cradle portion 120 End passes through.In the present embodiment, gland 410, the first biased element 440, interior rotation set 420, lock tube 430 are pacified from front to back successively It is filled in outer rotation set 450, and the first biased element 440 therein, interior rotation set 420, lock tube 430 are fully accommodated in outer rotation set 450 Mantle cavity 451 in, and gland 410 is partially received in mantle cavity 451.It is additionally provided with and interior rotation set in the inner side of outer rotation set 450 The interior driving structure 453 of force-driven topology 424 cooperation in 420 outsides, by this interior driving structure 453 and force-driven topology 424 Cooperation enable interior rotation set 420 and outer rotation set 450 synchronous rotary.
In the present invention, self adaptation sleeve also includes:Second biased element 500, the 3rd biased element 600 and spring prop up Frame 700.Wherein, what the second biased element 500 biased is arranged between a pair of adjustment block 200, and it can make a pair of adjustment block 200 edge Radially separated from one another, and the greatest separation being issued to adjustment block 200 is acted in no external force, when being in this state, permissible By in the receiving space in the securing member insertion sleeve such as bolt, screw portion 110.3rd biased element 600 can make sliding sleeve 300 in axial direction On have to the trend away from adjustment block 200 movement, in the present embodiment, the 3rd biased element 600 includes a pair of helical spring. Spring support 700 is fixed on the end away from adjustment block 200 side for the sliding sleeve 300, and it includes:Rack body 710 and guide rod 720. Rack body 710 is sleeved on bush support 100, and the circumferential position of its relative sleeve support 100 is fixed, rack body 710 It is fixed as an entirety also by screw and sliding sleeve 300;Guide rod 720 is arranged at the side near sliding sleeve 300 for the rack body 710, And it is deep into the inside of sliding sleeve 300, it is used for sheathed 3rd biased element 600.In the present embodiment, the 3rd biased element 600 Only being sheathed on guide rod 720 of part, simultaneously in order to guide part the 3rd biased element 600 not being set on guide rod 720, also Gathering sill 130 is formed on the external circumferential of bush support 100, gathering sill 130 is corresponding with the position of guide post, in other words 3rd biased element 600 part is sheathed on guide post, is partially housed in gathering sill 130, its one end withstands rack body 710, the other end withstands bush support 100, thus on the basis of reaching spacing 3rd biased element 600, also reducing guiding The size of bar, thus reduce the entire length of the self adaptation sleeve of the present invention so as to compact conformation.
Fig. 8 show the structural representation of the bush support of second embodiment of the invention.Refer to Fig. 2 and Fig. 8, at this In bright preferred embodiment, the end that bush support 100 is located at cradle portion 120 is additionally provided with interior driving hole 122, and in bush support 100 ends being located at cradle portion 120 are stretched out and are formed with peripheral structure 123 in the circumference of part of outer rotation set 450, this driving hole and Peripheral structure 123 can be matched with the structure of existing conventional spanner, electric drill, for transmitting torque, so that the present invention The function of double nip realized by self adaptation sleeve, adapts to the structure of multiple types of tools, expands the scope of kit.In the present embodiment In, for example, interior tetragonal of structure of this interior driving hole 122, peripheral structure 123 can be for example through mode plum blossom structure.
Fig. 9 show the structural representation of the bush support of third embodiment of the invention.Refer to Fig. 2 and Fig. 9, at this The graduation mark 113 of fastener sizes, in bright preferred embodiment, is additionally provided with sleeve part 110 outer periphery, for example, includes four Individual graduation mark 113:M12, M10, M8, M6, when sliding sleeve 300 slides at the position of M12 near one end of sleeve part 110, Now self adaptation sleeve is used for clamping the securing members such as M12 bolt, screw, when sliding sleeve 300 slides near one end of sleeve part 110 When at the position of M10, now self adaptation sleeve is used for clamping the securing members such as M10 bolt, screw, the like.Thus, in turn During outer rotation set 450, the size of the securing member that can clamp as needed carrys out the outer rotation set 450 of turn, can avoid excessively rotating or The clamping improperly problem that rotation is not in place and causes.
Figure 10 show the profile of the self adaptation sleeve of the present invention;Figure 11 show the another of the self adaptation sleeve of the present invention The profile in one orientation.Refer to Fig. 2 to Figure 11, in the present invention, initial position is in the first operation shape for operating assembly 400 State, now the clamping block 423 on interior rotation set 420 engage with the lock tooth 434 on lock tube 430, when external force presses outer rotation set vertically When 450, the supporting part 433 that outer rotation set 450 acts on lock tube 430 makes lock tube 430 overcome the pressure of the first biased element 440 in axle Move forward upwards, the lock tooth 434 at this moment engaging with the clamping block 423 on interior rotation set 420 also move axially forward until with Clamping block 423 is disengaged from state, and lock tube 430 discharges interior rotation set 420 and enables interior rotation set 420 relative in the lump with outer rotation set 450 Bush support 100 rotates, and now, operating assembly 400 is in the second mode of operation, then starts to rotate outward turning while pressing Set 450, interior rotation set 420 is also with rotation, and drives the gland 410 being press fit together with interior rotation set 420 to start to rotate, in interior spiral shell So that gland 410 axially moves forward simultaneously in the presence of pit 411 and external screw thread 121, thus drive sliding sleeve 300 to And move near the direction of adjustment block 200, on the adjustment inclined-plane 220 of the driving inclined-plane 310 of sliding sleeve 300 and adjustment block 200 Under effect, adjustment block 200 is radially close to each other, thus it is tight to clamp the bolt being located in sleeve part 110 receiving space, screw etc. Firmware, then, stops the rotation and cancels the pressure of external rotation set 450, at this moment, under the bias effect of the first biased element 440, Lock tube 430 moves axially rearward until lock tooth 434 is engaged with the clamping block 423 on interior rotation set 420 again, rotation set in locking 420 circumferential position, now operating assembly 400 be again at itself locking the first mode of operation, and then lock sliding sleeve 300 phase Position to bush support 100 so that adjustment block 200 will not get loose because of vibrations during grip fastener or Person's locking securing member is so that sleeve part 110 and adjustment block 200 are maintained at this state.
The invention has benefit that:There is provided one kind can user if necessary by adjust to be applied to different model Securing member self adaptation sleeve, and a circumferential position that can lock sliding sleeve relative sleeve support is provided with self adaptation sleeve The operating assembly put, when self adaptation sleeve is in the course of work, it can be avoided that because violent vibrations make threads turn Self adaptation sleeve is led to get loose or locking securing member, so that self adaptation sleeve of the present invention is maintained at a fixing state.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the invention is not limited in any way for above-described embodiment, all obtained by the way of equivalent or equivalent transformation Technical scheme, all falls within protection scope of the present invention.

Claims (9)

1. a kind of self adaptation sleeve, including:Bush support and described bush support at least radially constitute the adjustment being slidably connected Block, the sliding sleeve that described adjustment block moves radially inwardly can be made when itself is axially move closer to described adjustment block;Described sleeve props up Frame includes:With sleeve part and the cradle portion being at least partially housed in described sliding sleeve of the cooperation of described adjustment block, described sleeve part It is formed at the front side of described cradle portion axial direction;Described adjustment block at least provided with can by contact fast torque delivery dynamic sleeve structure, It is characterized in that, described self adaptation sleeve also includes:Described sliding sleeve can be promoted so that it is moved axially forward and can limit described The operating assembly that sliding sleeve moves axially rearward, described operating assembly at least have make its own axial location lock or unblock First mode of operation and the second mode of operation;Described operating assembly includes:One can on described bush support during turn along axle To movement gland, one can be solid with the interior rotation set of described gland synchronous axial system, relative described bush support circumferential position Determine and can lock when away from described gland the lock tube of described interior rotation set circumferential position, a described lock tube of bias makes it have far The first biased element from the trend of described gland.
2. self adaptation sleeve according to claim 1 is it is characterised in that described operating assembly also includes:One with described Interior rotation set circumferential relative position is fixed but can be in the axial direction relative to the outer rotation set sliding, and described outer rotation set is formed with:One overcoat Chamber, the end of the described cradle portion of confession pass through outer by hole;Described mantle cavity open at one end, the other end is provided with described outer logical Via;Described gland, the first biased element, interior rotation set, lock tube are attached to described outer rotation set from front to back successively, and described first is inclined Pressure element, interior rotation set, lock tube are contained in described mantle cavity, and described gland is partially received in described mantle cavity.
3. self adaptation sleeve according to claim 2 is it is characterised in that described lock tube includes:Sticking department positioned at front end With the supporting part positioned at rear end, described sticking department outer rim is formed with to be protruded and equally distributed lock tooth in the circumferential, described lock tube For sleeve structure, described bush support is at least partially across described lock tube.
4. self adaptation sleeve according to claim 3 is it is characterised in that described interior rotation set is formed with:One interior mantle cavity, one The individual end for described cradle portion pass through interior by hole, described interior mantle cavity front end is uncovered, rear end formed described interior by hole, institute The described interior mantle cavity stating interior rotation set is formed with the clamping block that can coordinate with described lock tooth.
5. self adaptation sleeve according to claim 4 is it is characterised in that the sticking department of described lock tube is arranged on described inner sleeve In chamber, the described supporting part of described lock tube pass through described interior by hole and withstand described outer rotation set.
6. the self adaptation sleeve according to claim 1 to 5 any one is it is characterised in that the support of described bush support Portion is provided with external screw thread, and described gland is provided with the internal thread hole with the cooperation of described external screw thread.
7. the self adaptation sleeve according to claim 1 to 5 any one is it is characterised in that described first biased element is One helical spring being sleeved in the described cradle portion of described bush support.
8. the self adaptation sleeve according to claim 1 to 5 any one is it is characterised in that described self adaptation sleeve also wraps Include:Described adjustment block can be biased to be made their second biased elements radially separated from one another, so that described sliding sleeve is had in the axial direction The 3rd biased element to the trend away from described adjustment block movement.
9. self adaptation sleeve according to claim 8 it is characterised in that described 3rd biased element include more than one Helical spring;Described self adaptation sleeve also includes:One is fixed on the spring away from described adjustment block one side end for the described sliding sleeve Support, described spring support includes:Rack body and guide rod;Described guide rod extend into the inside of described sliding sleeve, and described sleeve props up Frame is formed with gathering sill corresponding with described guide rod position in the circumferential, and described 3rd biased element is sleeved on described guide rod, Its one end withstands described rack body, and the other end is arranged in described gathering sill and withstands described bush support.
CN201410271011.3A 2014-06-17 2014-06-17 adaptive sleeve Expired - Fee Related CN105437132B (en)

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CN105437132B true CN105437132B (en) 2017-02-22

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Publication number Priority date Publication date Assignee Title
CN105437133B (en) * 2014-06-17 2017-04-19 南京德朔实业有限公司 adaptive sleeve
WO2018112916A1 (en) * 2016-12-23 2018-06-28 深圳市大疆灵眸科技有限公司 Pan-tilt-zoom apparatus assembly and disassembly mechanism and photographing device having same

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* Cited by examiner, † Cited by third party
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US7707916B2 (en) * 2008-04-30 2010-05-04 Alex Parsa Pirseyedi Adjustable socket
CN201586942U (en) * 2009-12-29 2010-09-22 江苏大学 Three-claw clip type movable socket spanner
CN202572245U (en) * 2012-03-23 2012-12-05 上海昆杰五金工具有限公司 Chuck of sleeve wrench
CN102729191B (en) * 2012-07-02 2014-12-10 南京德朔实业有限公司 Self-adaptive sleeve
CN203993694U (en) * 2014-06-17 2014-12-10 南京德朔实业有限公司 Self adaptation sleeve
CN203993695U (en) * 2014-06-17 2014-12-10 南京德朔实业有限公司 Self adaptation sleeve
CN105437133B (en) * 2014-06-17 2017-04-19 南京德朔实业有限公司 adaptive sleeve

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