CN106523525A - Stepless locking mechanism - Google Patents

Stepless locking mechanism Download PDF

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Publication number
CN106523525A
CN106523525A CN201611205205.9A CN201611205205A CN106523525A CN 106523525 A CN106523525 A CN 106523525A CN 201611205205 A CN201611205205 A CN 201611205205A CN 106523525 A CN106523525 A CN 106523525A
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CN
China
Prior art keywords
locking
retaining
stepless
bearing
spring
Prior art date
Application number
CN201611205205.9A
Other languages
Chinese (zh)
Other versions
CN106523525B (en
Inventor
杨智军
管宏明
曲振强
Original Assignee
深圳市汉匠自动化科技有限公司
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 深圳市汉匠自动化科技有限公司 filed Critical 深圳市汉匠自动化科技有限公司
Priority to CN201611205205.9A priority Critical patent/CN106523525B/en
Publication of CN106523525A publication Critical patent/CN106523525A/en
Application granted granted Critical
Publication of CN106523525B publication Critical patent/CN106523525B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/10Arrangements for locking the bearings

Abstract

The invention provides a stepless locking mechanism which comprises locking blocks, locking roller wheels, a locking mechanism body and springs, wherein taper angles are arranged in inner cavities at the two ends of the locking mechanism body; the locking blocks and the locking roller wheels are arranged in the inner cavities at the two ends of the locking mechanism body; and the springs are arranged between the locking blocks at the two ends of the locking mechanism body. According to the stepless locking mechanism provided by the invention, through the return principle of the springs, the locking blocks are pushed to move towards the two ends of the locking mechanism body along with the locking roller wheels; the taper angles are arranged in the inner cavities at the two ends of the locking mechanism body, and therefore, center distance between the locking roller wheels at the two sides is reduced to implement locking after the locking blocks and the locking roller wheels move towards the two ends of the locking mechanism body. The stepless locking mechanism realizes simple and convenient stepless locking, saves space resources, is small in size, is simple and effective to operate, does not need a special control part, is low in cost, and can be directly operated by maintenance personnel and operating personnel who do not need to be trained.

Description

A kind of stepless locking mechanism
Technical field
The present invention relates to a kind of retaining mechanism, more particularly to a kind of stepless locking mechanism.
Background technology
Electrodeless retaining mechanism, is exactly a part in general device, is mainly used in needing Jing often to move linearly, but Do not limited by displacement, and it is mobile frequent, and installation site is narrow and small, therefore is generally used for requiring easy to operate and locking force On indefinite equipment;This electrodeless retaining mechanism can extensively using in the various plant equipment of existing market, be such as applied to 3C, The fields such as shipbuilding, aviation, automobile, railway, row are hung, upgrading machine and cable, can be used for locking guide rail or the axis of guide, using base It is not affected by environment in sheet, automation is facilitated implementation, reliability is improved, production efficiency can be greatly improved, shorten adjusting machine time, Reduce production cost.
But, stepless locking mechanism of the prior art, typically all by external force, to needing mobile guide rod and slide rail Locked, the dynamics of lock and the size of external force have a direct relation, and the reset of structure itself is considered, if reset force General coupling mechanism force will be offset greatly very much, and then causes to need the part of locking just to have unstable possibility;Reset force is little will to be deposited The drawbacks of easily stuck, cause not moved when needing to move on the contrary.Although existing stepless locking mechanism can also realize certainly Dynamicization, but shortcoming is exactly that mechanism is big and high cost, is affected arbitrarily to adjust by scale or size, will also be according to required Coupling mechanism force size selectes suitable motor and corresponding structure, therefore its locking force and use environment have certain restriction model Enclose;And special control section is needed, therefore structure, cost, operation difficulty and the dimension of whole machine can be further increased Shield cost, for the training request of attendant and operating personnel also can all be correspondingly improved.
The content of the invention
The technical problem to be solved is to need to provide a kind of simple structure, small volume, easy to operate and need not The stepless locking mechanism of special control section.
In this regard, the present invention provides a kind of stepless locking mechanism, including:Latch segment, locking roller, retaining mechanism body and bullet Spring, the inner chamber at the retaining mechanism body two ends are provided with cone angle, and the latch segment and locking roller may be contained within the locking In the inner chamber at mechanism body two ends, between the latch segment at the retaining mechanism body two ends, spring is provided with.
Further improvement of the present invention is that locking roller cavity is provided with the latch segment, and the locking roller sets It is placed in the locking roller cavity.
Further improvement of the present invention is, also including slide rail, the latch segment is arranged on the slide rail.
Further improvement of the present invention is that the two ends of the retaining mechanism body are provided with sliding-rail groove, the locking machine Structure body is arranged on the slide rail by sliding-rail groove.
Further improvement of the present invention is, also including bearing, the bearing is arranged at the two ends of the spring.
Further improvement of the present invention is that bearing axle is provided with the bearing, and the spring passes through bearing and bearing It is internal that axle is arranged at the retaining mechanism sheet.
Further improvement of the present invention is, also including unlocking mechanism, the unlocking mechanism by the bearing with it is described Spring is connected.
Further improvement of the present invention is that the unlocking mechanism includes release lever and unlocking mechanism drive link, described Unlocking mechanism drive link is connected with the bearing by release lever.
Further improvement of the present invention is that the two ends of the spring are provided with the release lever.
Further improvement of the present invention is, also including retaining mechanism cover plate, the retaining mechanism cover plate is arranged at described On retaining mechanism body, the release lever is connected through the retaining mechanism cover plate with the unlocking mechanism drive link.
Compared with prior art, the beneficial effects of the present invention is:By the reset principle of spring, the latch segment is promoted Moved toward the retaining mechanism body two ends with locking roller together, the inner chamber at the retaining mechanism body two ends is provided with cone Angle, thus the latch segment and locking roller toward retaining mechanism body two ends movement after, both sides lock roller between in Away from reduction, be pointed to guide rail or the axis of guide of centre etc. needs the component of locking to implement locking to the heart;Due to the stepless locking Mechanism is two sides symmetric design, and no matter intermediate rail or the axis of guide are moved toward any one end, the cone of retaining mechanism body interior Corner structure can limit the running orbit of locking roller so that the centre-to-centre spacing between the locking roller of both sides continues to reduce, and external force is anti- Effect is bigger, and coupling mechanism force is bigger.Therefore, the present invention realizes the stepless locking of simplicity by simple structure, saves sky Between resource, small volume, it is simple to operate effectively, without the need for special control section, low cost, and for attendant and operator Training is almost not required to for member just can directly hands-on.
Description of the drawings
Fig. 1 is the configuration schematic diagram of an embodiment of the present invention;
Fig. 2 is the structural representation of the locking process of an embodiment of the present invention;
Fig. 3 is the structural representation after the locking of an embodiment of the present invention;
Fig. 4 is the overall structure diagram of an embodiment of the present invention;
Fig. 5 is the cross-sectional view of an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the preferably embodiment of the present invention is described in further detail.
As shown in Figures 1 to 5, this example provides a kind of stepless locking mechanism, including:Latch segment 1, locking roller 2, locking machine Structure body 5 and spring 7, the inner chamber at 5 two ends of retaining mechanism body are provided with cone angle 13, the latch segment 1 and locking roller 2 May be contained within the inner chamber at 5 two ends of retaining mechanism body, arrange between the latch segment 1 at 5 two ends of retaining mechanism body There is spring 7.
As shown in Figure 1 and Figure 5, it is preferred that the quantity of the latch segment 1 is two, and two latch segments 1 are respectively arranged at institute State in the inner chamber at 5 two ends of retaining mechanism body;The quantity of the locking roller 2 is four, and each latch segment 1 is locked with two Tight roller 2 is corresponding, and the two locking rollers 2 are symmetricly set in the both sides of the guide elementses such as slide rail 6, guide rail or the axis of guide; The inner chamber at 5 two ends of retaining mechanism body is provided with certain cone angle 13, i.e., in four of described 5 two ends of retaining mechanism body Angle is set to cone angle 13, is easy to be engaged with the latch segment 1 and locking roller 2, realizes locking or the operation for unlocking;The bullet The quantity of spring 7 is two, is respectively arranged at the both sides of the guide elementses such as the slide rail 6, guide rail or the axis of guide, and each bullet One end of spring 7 is connected with the latch segment 1 on the left side, and the other end is connected with the latch segment 1 on the right;In latch segment 1 described in this example Locking roller cavity 11 is provided with, the locking roller 2 is arranged in the locking roller cavity 11, is easy to the latch segment 1 Moved with locking roller 2 together;The spring 7 is preferably compression spring;
As shown in Figure 1 to Figure 3, the locking process and principle of this example are as follows:By the reset principle of spring 7, the locking is promoted Block 1 is moved toward 5 two ends of retaining mechanism body together with locking roller 2, as shown in figure 5, the inner chamber at body two ends is arranged There is cone angle 13, therefore the latch segment 1 and locking roller 2 are after toward the movement of 5 two ends of retaining mechanism body, both sides(That is in Fig. 5 Slide rail 6, guide rail or the axis of guide of both sides, that is, centre up and down etc. need the both sides of the component of locking)Locking roller 2 it Between centre-to-centre spacing reduce, the slide rail 6, guide rail or axis of guide etc. for being pointed to centre needs the component of locking to implement locking.
Described in this example, latch segment 1, locking roller 2, retaining mechanism body 5 and spring 7 are correspondingly arranged, that is, Say, retaining mechanism of the stepless locking mechanism for symmetrical expression, its upper and lower both sides and left and right two ends preferably adopt symmetric design; As the stepless locking mechanism is two sides symmetric design, no matter in the middle of slide rail 6, guide rail or the axis of guide move toward any one end Dynamic, 13 structure of cone angle inside retaining mechanism body 5 can limit the running orbit of locking roller 2 so that the locking roller 2 of both sides Between centre-to-centre spacing continue to reduce, outer force reaction is bigger, and coupling mechanism force is bigger;This example may go out during locking is realized The slip now measured slightly, but this micro slip is steel part micro-deformation, is almost negligible.
Therefore, this example realizes the stepless locking of simplicity by simple hardware frame for movement, saves space resources, body Product is little, it is simple to operate effectively, without the need for special control section, low cost, and several for attendant and operating personnel Being not required to training just can directly hands-on.
As shown in figure 1, this example also includes slide rail 6 and bearing 3, the latch segment 1 is arranged on the slide rail 6, is easy to reality The guide effect now moved;The two ends of the retaining mechanism body 5 are provided with sliding-rail groove 12, and the retaining mechanism body 5 passes through Sliding-rail groove 12 is arranged on the slide rail 6.The bearing 3 is arranged at the two ends of the spring 7;Preferably there is axle on the bearing 3 Axle 4 is held, the bearing axle 4 is the axle on bearing 3, and the spring 7 passes through bearing 3 and bearing axle 4 is arranged at the retaining mechanism In body 5.
As shown in Figure 1 and Figure 4, electrodeless retaining mechanism described in this example is in locking state under normal circumstances, when needing unblock, Unblock must could be realized by unlocking mechanism;That is, this example also includes unlocking mechanism, the unlocking mechanism is by described Bearing 3 is connected with the spring 7.Preferably, unlocking mechanism described in this example includes release lever 8 and unlocking mechanism drive link 10, the unlocking mechanism drive link 10 is connected with the bearing 3 by release lever 8, the bearing 3 and the spring 7 Connection;The two ends of the spring 7 are provided with the release lever 8.The quantity of release lever 8 described in this example is preferably four, Each spring 7 is correspondingly arranged two release levers 8, therefore, accordingly, the quantity of the bearing 3 is also preferably four It is individual.
The releasing process and principle of this example is as follows:The unlocking mechanism drive link 10 stirs bearing 3 with release lever 8 To realize compression spring 7, latch segment 1 is driven to move toward the center of the retaining mechanism body 5, due to retaining mechanism body 5 Inner chamber is provided with cone angle 13, and latch segment 1 is moved to the center of the retaining mechanism body 5 with locking roller 2 so that both sides Centre-to-centre spacing increase between locking roller 2, needs the guide rail locked or the axis of guide gap, locking effect failure occur with middle part Realize unblock;When needing to lock again, it is only necessary to which removing the locking lever just can be with, which realizes simple structure effectively, It is easy to operate.
As shown in Figure 1 and Figure 4, this example also includes retaining mechanism cover plate 9, and the retaining mechanism cover plate 9 is arranged at the lock In tight mechanism body 5, the unlocking mechanism drive link 10 is arranged on the retaining mechanism cover plate 9, and the release lever 8 is passed through The retaining mechanism cover plate 9 is connected with the unlocking mechanism drive link 10.
The surface that roller 2 is locked described in this example is preferably shiny surface, this example using smooth locking roller 2 be located at it is described The guide rail of the needs locking in retaining mechanism body 5 or axis of guide contact, will not be to guide elementses such as guide rail or the axis of guides Any damage is produced, ad-hoc location has more been not required to and has been limited, can be random with guiding stroke range according to actually used place Stepless locking is realized in any position, it may even go so far that reaching non-maintaining purpose.
In addition, this example can also preferably include retaining mechanism lever and locking spring fixed block, the retaining mechanism Lever is preferably connected with the latch segment 1, can so realize locking process by means of power so that locking process operation more It is laborsaving;The locking spring fixed block is arranged in the inner chamber of the retaining mechanism body 5, for realizing the fixation of spring 7, energy Enough frame for movement steadiness for effectively strengthening the stepless locking mechanism.
Above content is with reference to specific preferred embodiment further description made for the present invention, it is impossible to assert The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (10)

1. a kind of stepless locking mechanism, it is characterised in that include:Latch segment, locking roller, retaining mechanism body and spring, institute The inner chamber for stating retaining mechanism body two ends is provided with cone angle, and the latch segment and locking roller may be contained within the retaining mechanism sheet In the inner chamber at body two ends, between the latch segment at the retaining mechanism body two ends, spring is provided with.
2. stepless locking mechanism according to claim 1, it is characterised in that locking roller is provided with the latch segment empty Chamber, the locking roller are arranged in the locking roller cavity.
3. stepless locking mechanism according to claim 1 and 2, it is characterised in that also including slide rail, the latch segment are arranged On the slide rail.
4. stepless locking mechanism according to claim 3, it is characterised in that the two ends of the retaining mechanism body are provided with Sliding-rail groove, the retaining mechanism body are arranged on the slide rail by sliding-rail groove.
5. stepless locking mechanism according to claim 1 and 2, it is characterised in that also including bearing, the bearing is arranged at The two ends of the spring.
6. stepless locking mechanism according to claim 5, it is characterised in that bearing axle is provided with the bearing, it is described It is internal that spring is arranged at the retaining mechanism sheet by bearing and bearing axle.
7. stepless locking mechanism according to claim 5, it is characterised in that also including unlocking mechanism, the unlocking mechanism It is connected with the spring by the bearing.
8. stepless locking mechanism according to claim 7, it is characterised in that the unlocking mechanism includes that release lever is conciliate Latch mechanism drive link, the unlocking mechanism drive link are connected with the bearing by release lever.
9. stepless locking mechanism according to claim 8, it is characterised in that the two ends of the spring are provided with the solution Lock lever.
10. stepless locking mechanism according to claim 8, it is characterised in that also including retaining mechanism cover plate, the locking Mechanism's cover plate is arranged on the retaining mechanism body, and the release lever passes through the retaining mechanism cover plate and the solution lock machine Structure drive link is connected.
CN201611205205.9A 2016-12-23 2016-12-23 A kind of stepless locking mechanism CN106523525B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611205205.9A CN106523525B (en) 2016-12-23 2016-12-23 A kind of stepless locking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611205205.9A CN106523525B (en) 2016-12-23 2016-12-23 A kind of stepless locking mechanism

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CN106523525A true CN106523525A (en) 2017-03-22
CN106523525B CN106523525B (en) 2019-08-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107449329A (en) * 2017-08-04 2017-12-08 湖北三江航天万峰科技发展有限公司 Body retaining mechanism running-in testing apparatus and break-in method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525249A1 (en) * 1964-08-06 1969-07-31 Riva Calzoni Spa Rohrfoermige straight guide for extendable rods, shafts, pipes and the like.
FR2193439A5 (en) * 1972-07-18 1974-02-15 Atomenergikommissionen
DE2623594A1 (en) * 1976-05-26 1977-12-08 Ver Flugtechnische Werke Aircraft servo unit push:rod guide - has longitudinally split bearing bush fixed in housing by telescopic cone rings supported by compression springs
WO1995021336A1 (en) * 1994-02-01 1995-08-10 Charles William Middleton Linear bearing with self adjusting mechanism
CN104533944A (en) * 2009-12-28 2015-04-22 托克系统股份有限公司 Roller and roller guide device
CN206361017U (en) * 2016-12-23 2017-07-28 深圳市汉匠自动化科技有限公司 A kind of stepless locking mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1525249A1 (en) * 1964-08-06 1969-07-31 Riva Calzoni Spa Rohrfoermige straight guide for extendable rods, shafts, pipes and the like.
FR2193439A5 (en) * 1972-07-18 1974-02-15 Atomenergikommissionen
DE2623594A1 (en) * 1976-05-26 1977-12-08 Ver Flugtechnische Werke Aircraft servo unit push:rod guide - has longitudinally split bearing bush fixed in housing by telescopic cone rings supported by compression springs
WO1995021336A1 (en) * 1994-02-01 1995-08-10 Charles William Middleton Linear bearing with self adjusting mechanism
CN104533944A (en) * 2009-12-28 2015-04-22 托克系统股份有限公司 Roller and roller guide device
CN206361017U (en) * 2016-12-23 2017-07-28 深圳市汉匠自动化科技有限公司 A kind of stepless locking mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107449329A (en) * 2017-08-04 2017-12-08 湖北三江航天万峰科技发展有限公司 Body retaining mechanism running-in testing apparatus and break-in method

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