CN201443237U - Lock core - Google Patents

Lock core Download PDF

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Publication number
CN201443237U
CN201443237U CN2009200144286U CN200920014428U CN201443237U CN 201443237 U CN201443237 U CN 201443237U CN 2009200144286 U CN2009200144286 U CN 2009200144286U CN 200920014428 U CN200920014428 U CN 200920014428U CN 201443237 U CN201443237 U CN 201443237U
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CN
China
Prior art keywords
lock core
clutch
plate
interlock
rotating shaft
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Expired - Fee Related
Application number
CN2009200144286U
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Chinese (zh)
Inventor
卜红蕾
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Individual
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Individual
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Priority to CN2009200144286U priority Critical patent/CN201443237U/en
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Publication of CN201443237U publication Critical patent/CN201443237U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a lock core which comprises a rotating shaft, a lock core body, a linkage clutch piece, a linkage plate, a linkage torsion spring, a first coil, a rotation core sleeve and an end cover. The lock core further comprises a magnetic leakage clutch piece which is provided with a magnetic separating groove, wherein the magnetic leakage clutch piece is sheathed on the rotating shaft and matched with the linkage clutch piece in a friction way. In the lock core, any machinery transmission faults such as motor fault, worm wear and the like do not exist in a transmission mechanism; a clutch mechanism finishes the work instantly by adopting a friction clutch; the faults do not exist either as no pins and inserting blocks exist; no blind points exist, nor any position detection is required; and the lock core has the advantages of fastness and reliability, high torsion force, flexible turning on, non-jamming phenomenon, good feeling for manual parts, easy movement and extremely low power consumption, and solves a worldwide problem in the existing electronic lock appliance industry. The lock core also has the advantages of simple and compact structure, small size, low manufacture cost, high integrating degree, and good safety and reliability, can be used in various lock appliances, and can be used for replacing the existing mechanical lock core conveniently.

Description

A kind of lock core
Technical field
The utility model relates to lockset, particularly a kind of lock core.
Background technology
In existing lockset, traditional mechanical lock is because simple in structure, easy to use, and is cheap and be widely used.Along with the change with life style of significantly improving of social development, people's living standard, mechanical lock can not satisfy people's needs because coding repetitive rate height, safety are low, and electric lockset just arises at the historic moment.Electric lockset is because of it is difficult for imitatively joining, high security and advantage such as easy to use gain great popularity.In existing electric lockset, adopt motor as driving mechanism usually, realize unblanking and closing lock function of lockset.Because motor speed is higher, the supporting use of reducing gear need be arranged, also, stopping means or motor stall mechanism need be arranged because motor need rotate and reverse motion, make the control circuit complexity, thereby cause the lock structure complexity, volume is big, fault rate is high, manufacturing cost is high.
The easy card failure of existing electronic lock is a lot:
1, drive mechanism: unblank to control main employing motor-driven screw rod and come back rotation to drive elasticity spring mode.Defective is: easy to wear because of motor speed height, screw rod, the elasticity spring blocks and can cause heavy wear when meeting the pin hole deviation, does not open sometimes lockset and reduction of service life.
2, mechanical clutch mechanism: clutch mostly adopts plug-type pivot pin and inserted block mode.Defective is: because of adopting drive of motor, when unblanking, can't realize in time that latch moment finishes fully and insert, generally need the time delay more than the half second, this moment is as pressing handle immediately, will cause the pivot pin and the inserted block of clutch to be out of shape, run over and injure, phenomenon such as inside and outside clutch cover plucking, off-centre, so once can just damage lockset.
3, lock by the card phenomenon: bolt separable mechanism can only interior outer shaft synchronous go up on schedule the time, could complete insertion, but the off normal angle is less.Along with service time is elongated, common the phenomenon that will drop, thus cause dead bolt not stretch out fully.Because the oil on when this moment, lockset dispatched from the factory is drying, the user can not in time remove to adjust the height of door and tear lock open and refuel, and rotatable parts such as handle and dead bolt will lose flexibly in the course of time.Just in case when laying the key under the door, do not recover to put in place, just can't unblank outside to enter house.
The existing security door of mechanical lock that uses is different because of the specification of electric lockset and mechanical lock, so can not substitute original mechanical lock or lock core with existing electric lockset or lock core.
The utility model content
For the motor speed that overcomes above-mentioned existing electronic lock higher, the supporting use of reducing gear need be arranged, also because motor need rotate and reverse motion, stopping means or motor stall mechanism need be arranged, make the control circuit complexity, thereby cause the lock structure complexity, volume is big, the fault rate height, the manufacturing cost height, and the easy card failure of electronic lock is many, the existing security door of mechanical lock that uses is different because of the specification of electric lockset and mechanical lock, can not substitute the technical problem of original mechanical lock or lock core with existing electric lockset or lock core, the utility model provides a kind of lock core.
The utility model is that the technical scheme that solves the problems of the technologies described above employing is: a kind of lock core is provided, comprise: rotating shaft, lock core body, interlock clutch-plate, interlock dish, interlock torsion spring, first coil, commentaries on classics core retainer plate and end cap, described lock core further comprises: the leakage field clutch-plate that is provided with magnet isolation tank; Described leakage field clutch-plate is sheathed in the rotating shaft, with interlock clutch-plate frictional fit.
According to lock core one optimal technical scheme described in the utility model be: described magnet isolation tank is circular trough or square groove.
According to lock core one optimal technical scheme described in the utility model be: described lock core further comprises: the second interior coil of cavity of being located at the lock core body blind end; Described second coil is sheathed in the rotating shaft.
According to lock core one optimal technical scheme described in the utility model be: described lock core further comprises: one-way clutch, described one-way clutch is arranged in the rotating shaft.
According to lock core one optimal technical scheme described in the utility model be: described commentaries on classics core retainer plate stretches out and forms the semi-open type cavity between end of lock core body and the rotating shaft, and described one-way clutch is located in the semi-open type cavity.
According to lock core one optimal technical scheme described in the utility model be: described rotating shaft, lock core body, leakage field clutch-plate, interlock clutch-plate, commentaries on classics core retainer plate, end cap all adopt permeability magnetic material.
According to lock core one optimal technical scheme described in the utility model be: the interlock torsion spring adopts the rectangular steel wire in cross section to make.
According to lock core one optimal technical scheme described in the utility model be: rotating shaft is a hollow-core construction.
The beneficial effects of the utility model are: owing to do not use motor as driving mechanism, but the magneticaction that utilizes electromagnetic induction principle to produce, the active force that relies on dynamo-electric interlock to produce is realized unblanking of lockset and is closed lock function.So there are not any machine driving faults such as electrical fault, worm screw wearing and tearing in transmission mechanism.Clutch adopts friction clutch moment to finish.Just there are not above-mentioned fault in no pivot pin and inserted block yet.Because of employing Electromagnetic Drive friction clutch, thus any blind spot do not had, also without any need for position probing.Fast and reliable, bearing torque power height, open flexibly, no jam phenomenon, the manual components feel is good, activity freely, and power consumption is extremely low, has solved the global problem of present electric lockset industry.The utility model is simple and compact for structure, volume is little, low cost of manufacture, integrated level height, and is safe and reliable, can be used in the various locksets, can replace the existing machinery lock core easily.
Description of drawings
Fig. 1 is the lock core structure sectional view among the utility model embodiment;
Fig. 2 is the sectional view of the lock core that first loop construction is only arranged of the utility model embodiment 1;
Fig. 3 is the sectional view of the lock core that second loop construction is only arranged of the utility model embodiment 2;
Fig. 4 is the sectional view of the lock core with first and second loop construction of the utility model embodiment 3;
Fig. 5 is the sectional view of the lock core of the automatic pass of having of the utility model embodiment 4 lock function.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is elaborated.
Please refer to Fig. 1, Fig. 1 is the lock core structure sectional view among the utility model embodiment.Among Fig. 1,1. rotating shaft, 2. lock core body, 3. second coil, 4. magnet isolation tank, 5. the leakage field clutch-plate, 6. the interlock clutch-plate, 7. the interlock dish, 8. the interlock torsion spring, 9. first coil, 10. change core retainer plate, 11. end caps, 12. one-way clutch.A kind of lock core that the utility model provides comprises lock core body, rotating shaft, first coil, second coil, changes core retainer plate, end cap, also includes leakage field clutch-plate, interlock clutch-plate, interlock dish, interlock torsion spring, one-way clutch.Magnet isolation tank on leakage field clutch-plate and the interlock clutch-plate contact surface is used for changing magnetic circuit attracts interlock clutch-plate.Lock core body has a through hole at blind end along axis for the inner cylinder that is cavity structure, and second coil is installed in the left end cavity interior (on the wall) of lock core body, and first coil is installed in the right-hand member cavity interior (on the wall) of lock core body.Lock core body, rotating shaft, interlock dish, commentaries on classics core retainer plate, end cap, leakage field clutch-plate, interlock clutch-plate all adopt permeability magnetic material, the interlock dish is fixed in the rotating shaft, the interlock clutch-plate is installed in the interlock side of facing left, and the interlock side of facing left stretches in the coupling hole of interlock clutch-plate, with interlock clutch-plate frictional fit.The leakage field clutch-plate be installed in that interlock clutch-plate left side is fixed in the rotating shaft and with interlock clutch-plate frictional fit, have magnet isolation tank to be used for changing magnetic circuit on leakage field clutch-plate and the interlock clutch-plate contact surface.The commentaries on classics core retainer plate is a cylindrical shape, along axis one step circular hole is arranged, changeing core retainer plate is installed in the rotating shaft on interlock dish right side by one-way clutch, frictional fit between interlock dish and the commentaries on classics core retainer plate, the interlock dish is identical with commentaries on classics core retainer plate external diameter, link torsion spring set on interlock dish and commentaries on classics core retainer plate external peripheral surface, and possess the gap with circumferential surface.The left end silk head of interlock torsion spring is embedded in the gap of interlock clutch-plate outer end, the right-hand member silk head of interlock torsion spring is embedded in the recess that changes core retainer plate, the through hole of lock core body blind end is passed in rotating shaft, form frictional fit between rotating shaft and the through hole, leakage field clutch-plate, interlock clutch-plate, universal driving shaft, interlock torsion spring all place in the lock core body cavity, change core retainer plate band moving tooth end and stretch out the lock core body cavity, end cap conflict interlock torsion spring is installed in the openend of lock core body, and rotating handles is installed in the rotating shaft two ends.Owing to do not use motor, but the magneticaction that utilizes electromagnetic induction principle to produce makes the interlock torsion spring tighten the friction that produces and realizes unblanking of lockset and cooperate one-way clutch to realize shutting of lockset as driving mechanism.The utility model is simple and compact for structure, volume is little, low cost of manufacture, integrated level height, and is safe and reliable, can be used in the various locksets, can replace the existing machinery lock core easily.
Operating principle of the present utility model: control circuit is before receiving unlocking signal, and the electronic lock cylinder coil is not switched on, leakage field clutch-plate at this moment, and the interlock clutch-plate is in released state.Because one-way clutch, rotating handles can only be when locking state rotates, and rotating shaft could drive by one-way clutch changes core retainer plate, moving tooth is rotated shut; During backward rotation, change core retainer plate and then together do not rotate with rotating shaft.Control circuit is after receiving unlocking signal, the electronic lock cylinder coil electricity, produce magnetic field around making coil, in the magnetic conductor around it, form magnetic circuit and produce magnetic force, there is magnet isolation tank to change magnetic circuit attracts interlock clutch-plate on leakage field clutch-plate and the interlock clutch-plate contact surface, the interlock clutch-plate is subjected to magneticaction, be attracted on the leakage field clutch-plate, at this moment, to the direction rotation rotating handles of unblanking, rely on the frictional force that forms between leakage field clutch-plate and the interlock clutch-plate, driving the interlock clutch-plate together rotates, the interlock clutch-plate drives the interlock torsion spring and rotates, making the interlock torsion spring inwardly screw direction rotates, behind the interlock torsion spring contact interlock dish, interlock torsion spring and interlock dish produce friction, thereby make the interlock torsion spring produce the bigger power that inwardly screws, also more aggravated the friction between interlock torsion spring and the interlock dish, frictional force interacts with the power that screws and just makes the interlock torsion spring be close to interlock dish and commentaries on classics core retainer plate circumferential surface, thereby make the interlock dish and change core retainer plate synchronously to the direction rotation of unblanking, keep torsion spring one end outwards not outward winding by the frictional force that forms between leakage field clutch-plate and the interlock clutch-plate this moment.Change the moving tooth of core retainer plate and push dead bolt aside until unblanking.
Behind the electronic lock cylinder coil blackout, the magnetic field that coil produces disappears, suction between leakage field clutch-plate and interlock clutch-plate also disappears, the leakage field clutch-plate is separated with the interlock clutch-plate, spring one end is outwards outwarded winding, the frictional force that interlock torsion spring and interlock dish produce reduces gradually until disappearance, and the interlock dish separates with the commentaries on classics core retainer plate, changes the moving tooth of core retainer plate and can not push dead bolt aside.
Two the first and second two coils that work alone are arranged in the lock core of the present utility model, can remove any one coil when control circuit has only one, lock core is by a coil working.
Below be the several optimized technical scheme of present embodiment:
Embodiment 1
Please refer to Fig. 2, Fig. 2 is the sectional view of the lock core that first loop construction is only arranged of the utility model embodiment 1.As Fig. 2, save the lock core of second coil, work independently by first coil.Among the figure, the 13.th, Internal handle, the 14.th, outer handle, the 15.th is dialled tongue.
Embodiment 2
Please refer to Fig. 3, Fig. 3 is the sectional view of the lock core that second loop construction is only arranged of the utility model embodiment 2.As Fig. 3, save the lock core of first coil, work independently by second coil.
Embodiment 3
Please refer to Fig. 4, Fig. 4 is the sectional view of the lock core with first and second loop construction of the utility model embodiment 3.As Fig. 4, have first and second loop construction, one of them is if problem, and another can operate as normal, thereby makes lock core working stability, long service life.
Embodiment 4
Please refer to Fig. 5, Fig. 5 is the sectional view of the lock core of the automatic pass of having of the utility model embodiment 4 lock function.As Fig. 5, when the lock body band closes lock function, can save one-way clutch, change core retainer plate and rotating shaft frictional fit.Among the figure, the 16.th, shut spring, the 17.th automatically, automatic lock body.
Lock core of the present utility model: owing to do not use motor as driving mechanism, but the magneticaction that utilizes electromagnetic induction principle to produce, the active force that relies on dynamo-electric interlock to produce is realized unblanking of lockset and is closed lock function.So there are not any machine driving faults such as electrical fault, worm screw wearing and tearing in transmission mechanism.Clutch adopts friction clutch moment to finish.Just there are not above-mentioned fault in no pivot pin and inserted block yet.Because of employing Electromagnetic Drive friction clutch, thus any blind spot do not had, also without any need for position probing.Fast and reliable, bearing torque power height, open flexibly, no jam phenomenon, the manual components feel is good, activity freely, and power consumption is extremely low, has solved the global problem of present electric lockset industry.The utility model is simple and compact for structure, volume is little, low cost of manufacture, integrated level height, and is safe and reliable, can be used in the various locksets, can replace the existing machinery lock core easily.
Above content be in conjunction with concrete optimal technical scheme to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (8)

1. lock core, comprise: rotating shaft (1), lock core body (2), interlock clutch-plate (6), interlock dish (7), interlock torsion spring (8), first coil (9), commentaries on classics core retainer plate (10) and end cap (11), it is characterized in that: described lock core further comprises: the leakage field clutch-plate (5) that is provided with magnet isolation tank (4);
Described leakage field clutch-plate (5) is sheathed in the rotating shaft (1), with interlock clutch-plate (6) frictional fit.
2. lock core according to claim 1 is characterized in that: described magnet isolation tank (4) is circular trough or square groove.
3. lock core according to claim 1 is characterized in that: described lock core further comprises: interior second coil (3) of cavity of being located at lock core body (2) blind end; Described second coil (3) is sheathed in the rotating shaft (1).
4. lock core according to claim 1 is characterized in that: described lock core further comprises: one-way clutch (12), described one-way clutch (12) is arranged in the rotating shaft (1).
5. lock core according to claim 4 is characterized in that: described commentaries on classics core retainer plate (10) stretches out and forms the semi-open type cavity between end of lock core body (2) and the rotating shaft (1), and described one-way clutch (12) is located in the semi-open type cavity.
6. according to the described lock core in the arbitrary top of claim 1 to 5, it is characterized in that: described rotating shaft (1), lock core body (2), leakage field clutch-plate (5), interlock clutch-plate (6), commentaries on classics core retainer plate (10), end cap (11) all adopt permeability magnetic material.
7. lock core according to claim 6 is characterized in that: interlock torsion spring (7) adopts the rectangular steel wire in cross section to make.
8. lock core according to claim 7 is characterized in that: rotating shaft (1) is a hollow-core construction.
CN2009200144286U 2009-06-05 2009-06-05 Lock core Expired - Fee Related CN201443237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200144286U CN201443237U (en) 2009-06-05 2009-06-05 Lock core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200144286U CN201443237U (en) 2009-06-05 2009-06-05 Lock core

Publications (1)

Publication Number Publication Date
CN201443237U true CN201443237U (en) 2010-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200144286U Expired - Fee Related CN201443237U (en) 2009-06-05 2009-06-05 Lock core

Country Status (1)

Country Link
CN (1) CN201443237U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102953596A (en) * 2011-08-17 2013-03-06 赵新华 Electromagnet bolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102953596A (en) * 2011-08-17 2013-03-06 赵新华 Electromagnet bolt

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100428

Termination date: 20150605

EXPY Termination of patent right or utility model