CN104141485A - Actuation motor set of electronic lock - Google Patents

Abstract

The invention relates to an actuation motor set of an electronic lock. The actuation motor set comprises a fixed seat, a motor, a worm and a spring, wherein the fixed seat is provided with an accommodating chamber; the motor is connected with the fixed seat and is provided with a rotating shaft; the worm is connected to the rotating shaft, a tooth arranged on the worm is not completely extended to a boosting end and a reset end at two ends of the worm; and a sleeved part of the spring is bent to the worm to form a horizontal hook shape to be hooked on the tooth in a sleeving manner, the part, located outside the sleeved part, of the spring is a pushing and propping part, and the inner diameter of the pushing and propping part is larger than the outer diameter of the tooth. The spring can be spirally pushed by the tooth with the rotation of the worm and then moves forward and backward in the axial direction of the worm, when the spring moves to the boosting end of the worm, idling is formed due to absence of sleeved pushing of the tooth, and when the spring reversely moves to the reset end, the idling is also formed due to absence of sleeved pushing of the tooth, so that the overshoot phenomenon during driving of the actuation motor is prevented.

Description

The start groups of motors of electronic lock

Technical field

The present invention is about a kind of start groups of motors, especially about a kind of start groups of motors being arranged in electronic lock.

Background technology

Common mechanical formula lockset, is the configuration by locking bolt in its core, reaches the antitheft object that its exclusive key could be opened.Yet this kind of lockset often utilized special machine instrument to be cracked by personage intentionally.Therefore, for further strengthening the unlocking difficulty of lockset, prior art has the innovation and creation that electronic induction identification mechanism is combined with traditional mechanical lockset, and the dual locking by mechanical type and electronic type, reaches best anti-theft feature.

As shown in Figure 1, it comprises a core 20 to electronic lock structure of the prior art, and core 20 is connected with a clutch 30, a cam 40, a start groups of motors 50 and a knob heart 60.Aforementioned components is installed in a housing 70, then is connected with knob 80 by one end of the knob heart 60.When utilizing correct key 10 to insert core 20, before it can pass through spoon ditch pushing and pressing smoothly, clutch part 31 makes it backward, at the same time, key 10 by electronics contact induction, the stored password of chip on key 10 or data are sent to electronic lock control system and carry out identification, if comparison result is correct, electronic lock will start start groups of motors 50, make its driving and start to pass relevant member, and then rear clutch part 33 is passed forward, the engaging groove 331 of this rear clutch part 33 is engaged with front clutch part 31, now can be by the torsion of key 10, seeing through conducting piece 32 makes cam 40 interlock pivotables and opens lockset.

Start groups of motors 50, its function is to treat unlocking condition lockset is entered, if start groups of motors 50 breaks down, even if mechanically all conform to the identification on electronics, still lockset cannot be opened, therefore, start groups of motors 50 is played the part of a considerable role in the electronics start mechanism of electronic lock.Hereat, the number of making flowing mode and rate of breakdown of start groups of motors 50, profoundly affects result of use and the life-span of electronic lock.During the revolution of start groups of motors of the prior art, be not provided with suitable position-limit mechanism, therefore when motor drives the member being connected to move forward or after while moving, often make this member overshoot and push to other assembly, make motor on the one hand often because overshoot affects its application life, easily make on the other hand other assembly be pushed and cause displacement or the loose contact of internal component, the probability that electronic lock is broken down is quite high.Although had afterwards many prior aries improvement start groups of motors to be provided with limit induction device and limiting card supports mechanism, but these members are comparatively complicated, therefore on processing procedure, also become comparatively loaded down with trivial details, and because utilize more member and electronic building brick, cost is improved relatively, reduced the competitiveness of product.

Summary of the invention

For the member precise displacement that start motor is driven, avoid the phenomenon of start motor outputting power of the prior art overshoot, and then make motor have longer application life, reduce the probability that electronic lock breaks down, reduce member processing procedure simultaneously, to reach the object that reduces manufacturing cost, the present invention will provide a kind of motor driven unit that is different from prior art completely, the spacing drive member that utilization is simplified, makes flowing mode by the driving of spring and worm screw, reaches easily aforesaid object.

The start groups of motors of electronic lock of the present invention, comprising: a holder, and this holder is provided with a room; One motor, this motor and this holder connect, and are provided with a rotating shaft; One worm screw, this worm screw is arranged in this rotating shaft, and the set teeth of this worm screw distribute completely and extend to a propelling end and a reset terminal at these worm screw two ends; An and spring, one socket part of this spring is bent into horizontal hook shape and hooks to this worm screw and is placed in these teeth, the part of this spring outside this socket part is a pushing and pressing part, the internal diameter of this pushing and pressing part is greater than the external diameter of these teeth, wherein, this spring can rotate with this teeth spiral and promote upwards to move forward and backward in this worm shaft because of this worm screw, when it moves to this propelling end of this worm screw because passing and forms idle running without this teeth phase fit, and when it oppositely moves to this reset terminal also because forming idle running without this teeth phase fit passing.Wherein, the further butt in this pushing and pressing part has a rear clutch part, and this rear clutch part is provided with at least one sliding tray, and is sheathed in this room, is provided with corresponding at least one raised line in this room, and making it can slippage in this room.

Collocation by worm screw of the present invention and spring, when start revolution, worm screw is also in company with rotating, during rotation, its teeth are rotated in helical form mode simultaneously, rotation can will hook the spring clutch part direction propelling movement being backward placed on thread simultaneously with socket part, and then the rear clutch part connecting is passed gradually outward.Yet, when spring socket part is passed when there is no the propelling end of teeth, because of without teeth rotary impetus, spring can't continue to push against forward, and it also can be supported and can not shrink back because socket part is continued rotation by teeth, therefore can advance end and avoid the situation of overshoot to occur spring is spacing.Same principle, when motor is related, make worm screw when reversion, teeth can be drawn the socket part of spring to move toward motor direction, when its belled position of spring moves to reset terminal, because there is no teeth, lose to draw, do not move driving force too, form idle running, and no longer toward motor direction, pass, simultaneously also because teeth continue rotation and prop up and can not shrink back, reach the spacing object of spring.

Hereat, by the present invention, can reach power drive and spacing object with the member of simplifying most, the overshoot phenomenon of avoiding motor to drive, and because spring moves forward and backward with its axis direction on worm screw, on group is established, do not need additional member and accommodation space, therefore also can reduction means volume, therefore can reach simultaneously simplify processing procedure and the object that reduces manufacturing cost, make product more competitive.

In addition, when making the coupling of rear clutch part and cam, it is more accurate to locate, increase it simultaneously and rotate torsion, the start groups of motors of electronic lock of the present invention provides a kind of rear clutch part structure of novelty simultaneously, this rear clutch part comprises: a pedestal, and this pedestal is provided with two perforation and two limiting sections, between this two limiting section, is formed with a cushion space; Two positioning sliding blocks, between this two positioning sliding block, be connected with after an elastic parts, be located in this cushion space, this two positioning sliding block can be in this cushion space with the buffering of this elastic parts inside contract and close to each other or because of the ejection of elastic force mutually away from, respectively this positioning sliding block is on outer peripheral face and be formed with respectively a location division; One second exntension tubs, these second exntension tubs are connected to this pushing and pressing part; And a clutch block, this clutch block is connected in these second exntension tubs with respect to the other end of this pushing and pressing part, and this clutch block is convexly equipped with has a clamping pole at least, and this clamping pole can stretch out this corresponding perforation after pushing against these second exntension tubs in this pushing and pressing part; Wherein, this cam is provided with two locating slots that can be coupled with this slide block location division, and at least one can with the draw-in groove of this clamping pole phase clip.

Two positioning sliding blocks that rear clutch part is set, the elastic force by this elastic parts under original state pushes away the two mutually, and making is coupled is respectively resisted against in this locating slot.When rotating pedestal, two positioning sliding blocks are subject to after the ejection of locating slot, because the spring damping of flexible assembly, two positioning sliding blocks can inside contract and close to each other gradually, and then the coupling of disengaging and locating slot, so the rotation of pedestal can't be with the rotation of moving cam.But work as starter, make after the pushing and pressing part displacement of spring, the second exntension tubs also can be moved toward pedestal direction by pushing and pressing, the clamping pole that now the second exntension tubs connect can stretch out the set perforation of pedestal, and further with the draw-in groove phase clip of cam, under this state, rotate pedestal just can be with the rotation of moving cam opening door lock.

Below cooperation accompanying drawing is further illustrated to embodiments of the present invention; following cited embodiment is in order to illustrate the present invention; not in order to limit scope of the present invention; anyly have the knack of those skilled in the art; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so the protection domain that protection scope of the present invention ought define depending on accompanying claim is as the criterion.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of electronic lock of the prior art.

Fig. 2 is the schematic diagram of the embodiment of the present invention.

Fig. 3 is the exploded perspective view of the embodiment of the present invention.

Fig. 4 is the part combination schematic diagram of the embodiment of the present invention.

Fig. 5 is the schematic side view of the part combination of the embodiment of the present invention.

Fig. 6 is the cross-sectional schematic of the embodiment of the present invention.

Fig. 7 is the illustrative view of the embodiment of the present invention.

Fig. 8 is the decomposing schematic representation of another embodiment of clutch part after the present invention.

Fig. 9 is the combination schematic diagram of another embodiment of clutch part after the present invention.

Figure 10 is the schematic side view of another embodiment of clutch part after the present invention.

Figure 11 is the illustrative view of another embodiment of clutch part after the present invention.

Wherein, description of reference numerals is as follows:

10 key 20 cores

The front clutch part of 30 clutch 31

311 junction piece 32 conducting pieces

33 rear clutch part 331 engaging grooves

40 cam 50 start groups of motors

The 60 knob heart 70 housings

80 knob 90 start groups of motors

91 holder 911 rooms

912 raised line 92 motors

921 rotating shaft 93 worm screws

931 teeth 932 advance end

933 reset terminal 94 springs

941 942 pushing and pressing parts, socket parts

The rear clutch part of 943 fixed part 95

951 first exntension tubs 952 sliding trays

953 snap-latch piece 96 circuit groups

97 rear clutch part 971 second exntension tubs

9711 sliding tray 9712 fixing holes

972 clutch block 9721 clamping poles

9722 fixed part 973 pedestals

9731 limiting section 9732 slip holes

9733 perforation 9734 cushion spaces

974 positioning sliding block 9741 location divisions

9742 guiding projection 975 elastic parts

98 cam 981 locating slots

982 draw-in grooves

The specific embodiment

Please also refer to Fig. 2 to Fig. 5, the schematic appearance that Fig. 2 and Fig. 3 are the embodiment of the present invention and perspective exploded view, the schematic diagram that Fig. 4 and Fig. 5 partly combine for the embodiment of the present invention.The start groups of motors 90 of the electronic lock of the embodiment of the present invention, it connects and is butted on a rear clutch part 95 by a spring 94.Rear clutch part 95 is socketed in holder 91, and can slippage in its set room 911.When spring 94 is passed by worm screw 93, by related, make rear clutch part 95 by room 911 slippage outward, and can please refer to Fig. 1 signal with front clutch part 31() engage, reach the object that it is unblanked.

Please continue to refer to Fig. 3 to Fig. 5, in the present embodiment, the start groups of motors 90 of electronic lock, comprising: a holder 91, a motor 92, a worm screw 93 and a spring 94.

Holder 91, it can be the integrally formed of the present embodiment, with up and down or alternate manner mutually group establish, its configuration is not provided with any restriction.Holder 91 is provided with a room 911, in this example, in order to be installed with the members such as motor 92, worm screw 93 and spring 94, and makes the first exntension tubs 951 of rear clutch part 95 must be in wherein slippage.The outer rim configuration of the first exntension tubs 951 is corresponding with room 911 configurations, enables slippage wherein, and its shape is not provided with any restriction yet.Maintain its direction when making the first exntension tubs 951 slippage, the first exntension tubs 951 outer rims can be provided with at least one slippage slot 952, and corresponding raised line 912 is set in room 911.The slipping mechanism of rear clutch part 95 in room 911, is not provided with any restriction, and it also can exchange raised line and slippage slot to arrange, or utilizes any external form of non-cylindrical to form the structure of corresponding socket.The first exntension tubs 951 are equipped with a snap-latch piece 953, and the configuration of this snap-latch piece 953 is not provided with any restriction, can be arranged according to the required or corresponding configuration of front clutch part.

Motor 92, its worm screw 93 that is coupling in rotating shaft 921.Worm screw 93 can directly be arranged in rotating shaft 921 as the present embodiment, also can first offer a link slot (not shown) in axle center place, and in link slot, connects after establishing a connection piece (not shown) and be coupling in rotating shaft 921 again.92, worm screw 93 and motor, can in rotating shaft 921, further install a bearing (not shown), use clutch part 95 after spring 94 pushing and pressing and while producing the reverse pushing to worm screw 93, can be via the buffering of bearing, lower the rotary resistance that propulsive thrust produces worm screw 93, make the rotation of worm screw 93 more smooth and easy steadily, and then increase the application life of worm screw 93.Worm screw 93 is provided with teeth 931, but teeth 931 do not extend to propelling end 932 and reset terminal 933.

Spring 94, its two ends are respectively 941Yu pushing and pressing part, socket part 942.Socket part 941 is bent into horizontal hook shape and hooks to worm screw 93 and is placed in these teeth 931 in the present embodiment.After 941 bendings of socket part, position can abut against in teeth 931 socket part 941 between the external diameter and internal diameter of these teeth 931,, when teeth 931 helical rotation, can drive the socket part 941 that hooks cover by spiral, and spring 94 is also moved forward with helical rotation.The length that socket part 941 bends in the present embodiment accompanying drawing is close to the interior electrical path length of spring 94, but is not limited only to this, and it can adjust its length according to the external diameter of worm screw 93.During adjustment, in the time of can selecting to hook cover, have the length of Maximum Contact area, or compared with it long or short length, but its shortest length must be able to hook and entangles of teeth 931.In addition, the angle of socket part 941 bending can be perpendicular to rotating shaft 921, or corresponding to teeth 931 helixes, in vertical rotation axis 921 directions, forms the angle identical with lead angle.

On the other hand, pushing and pressing part 942 is the identical spring body of a diameter in the present embodiment, but be not limited only to this, it also can be a diameter and becomes gradually large helical structure by 941Duan Xiang pushing and pressing part, socket part 942, or other configuration, as long as its internal diameter is greater than the external diameter of teeth 931, but its external diameter must be less than 951 sizes that can be installed with of the first exntension tubs.Spring 94 can be dextrorotation or left-handed, is not provided with restriction.The end of pushing and pressing part 942 can directly be connected with the first exntension tubs 951, also can further in end to axle center, be bent to form a fixed part 943, uses and is fastened in the first exntension tubs 951.The configuration of fixed part 943 is not provided with any restriction, can be linear or arc, circle.

When group is established the present embodiment invention, first worm screw 93 is coupling after motor 92, on worm screw 93, is socketed spring 94, and connects after rear clutch part 95 in spring 94 upper covers, be installed in the room 911 of holder 91.Motor 92 is electrically connected circuit groups 96, is used to respond to rear startup power supply and controls its rotation.

Please refer to Fig. 6 and Fig. 7, the illustrative view that Fig. 6 and Fig. 7 are the embodiment of the present invention.When motor 92 not yet starts, the socket part 941 of spring 94 hooks teeth 931 sides of the reset terminal 933 that is placed on worm screw 93, and then the first exntension tubs 951 of clutch part 95, when motor does not start driving worm screw 93 with spring 94, are still arranged in the room 911 of holder 91.

After motor 92 starts to start, worm screw 93 starts to rotate, and teeth 931 are helical rotation thereupon also.Now, hook is placed on the thrust that teeth 931 other socket parts 941 are produced by teeth 931 helical rotation, along teeth 931, toward the propelling of worm screw 93, hold 932 directions to move gradually, whole spring 94 is the first exntension tubs 951 pushing and pressing of whole clutch part backward 95, and rear clutch part 95 is moved by room 911 China and foreign countries.When socket part 941 moves closer to while advancing end 932 gradually, rear clutch part 95 gradually by pushing and pressing to location, now, although spring 94 still continues pushing blink, must, by by its spring damping, avoid excessive pushing and pressing.When socket part 941 moves to while advancing end 932 because this place is not provided with teeth 931, cannot draw again and move socket part 941, spring 94 is formed and dally, there is not again the output of forward thrust amount.In addition, though spring 94 can produce reverse elastic force because pushing against rear clutch part 95, socket part 941 is pushed against by the lasting spiral of teeth 931 still can, and can not move toward reset terminal 933, makes to reach by the spacing object of rear clutch part 95.

Therefore, can comply with required driving force, after coordinating, the length of clutch part 95 required displacements, arranges corresponding teeth 931 distribution development lengths, or adjusts the length of spring 94, can reach the object of accurate limiting.By the start mechanism of the aforementioned embodiment of the present invention, not only can reach accurate limiting object, and because there not being the driving force output of excess, therefore also do not have the phenomenon of overshoot, not occur.Meanwhile, because motor does not receive resistance while continue rotating, therefore also can solve the problem that originally therefore shortens its application life.

On the other hand, when rear clutch part 95 resets, motor 92 starts to rotate backward.Now, the former spring socket part 941 that is subject to teeth 931 pushing and pressing, just along teeth 931 reverse acting spirals, rotate and pass, and move toward reset terminal 933, mobile spring 94 simultaneously by fixed part 943 by rear clutch part 95 from the first exntension tubs 951 toward pulling back, after making from rear component 95 gradually slippage enter in room 911, and depart from front clutch part or cam (not shown).When socket part 941 moves to while approaching reset terminal 933, equally also, because do not have the spiral of teeth 931 to promote, cannot further pass again, and form idle running.

Because spring 94 of the present invention moves forward and backward with its axis direction on worm screw 93, on establishing, group do not need additional member and accommodation space, thus also can reach reduction means volume, and reduce the object of assembly cost.

Please also refer to Fig. 8 and Fig. 9, Fig. 8 and Fig. 9 are the Decomposition and composition schematic diagram of another embodiment of clutch part after the present invention.After the present invention, in another embodiment of clutch part, rear clutch part 97 can be coupled with a cam 98.Cam 98 is provided with two locating slots 981 and two draw-in grooves 982.97 of rear clutch parts comprise: one second exntension tubs 971, a clutch block 972, a pedestal 973, two positioning sliding blocks 974 and an elastic parts 975.Two positioning sliding blocks 974 be located in pedestal 973, and this clutch block 972 are connected with these second exntension tubs 971 after being connected with elastic parts 975.

The second exntension tubs 971, its outer rim configuration is corresponding with room 911 configurations, enables slippage wherein, and its shape is not provided with any restriction yet.Maintain its direction when making the second exntension tubs 971 slippage, the second exntension tubs 971 outer rims can be provided with at least one slippage slot 9711, and corresponding raised line 912(is set in room 911, please refer to Fig. 3).Aforementioned slipping mechanism, is not provided with any restriction, and it also can exchange raised line and slippage slot to arrange, or utilizes any external form of non-cylindrical to form the structure of corresponding socket.This end of the second exntension tubs 971 942 pushing and pressing in spring pushing and pressing part is provided with two fixing holes 9712, in order to the fixed part 9722 set with clutch block 972, is connected.

Clutch block 972 convexes with two clamping poles 9721 in the present embodiment, but the number of clamping pole 9721 is not provided with special restriction, and it can only be provided with one, or is provided with three or four, and it is symmetrical as good that its setting position be take circumference.

Pedestal 973 is provided with two perforation 9733 and two limiting sections 9731 in the present embodiment.Two 9731 of limiting sections are formed with a cushion space 9734, and the left and right sides of cushion space 9734 is located in this two perforation 9733.The clamping pole 9721 of clutch block 972 can stretch out its corresponding perforation 9733 after 942 pushing and pressing of spring pushing and pressing part.Therefore, perforation 9733 set numbers and shape are not provided with special restriction, can be according to set clamping pole 9721 relative set; But perforation 9733 set positions should be outside cushion space 9734.

Two positioning sliding blocks 974, the middle elastic parts 975 that connects.Elastic parts 975 is a spring in the present embodiment, and it also can be other and has flexible assembly.Positioning sliding block 974 is located in the cushion space 9734 of pedestal 973 after connecting with elastic parts 975, and can inside contract because of the buffering of this elastic parts 975 close to each other or because of the ejection of elastic force mutually away from.Each positioning sliding block 974 can be respectively equipped with a guiding projection 9742, and correspondence is installed in the slip hole 9732 on pedestal 973, and obtains slippage therein.Each positioning sliding block 974 is on outer peripheral face and be formed with respectively a location division 9741, and it can be coupled with locating slot 981.Location division 9741 is in the present embodiment, and by the adjacent roof-shaped structure that forms of two planes, so this locating slot 981 is corresponding recess shape.Location division 9741 also can be circular-arc (not shown), and this locating slot 981 is corresponding circular arc recess shape.

Please also refer to Figure 10 and Figure 11, Figure 10 and Figure 11 are the illustrative view of another embodiment of clutch part after the present invention.Under original state, (please contrast Fig. 9), two positioning sliding blocks 974 that rear clutch part 97 is set, push away the two mutually by the elastic force of elastic parts 975 simultaneously, and making is coupled is respectively resisted against in locating slot 981.When rotating pedestal 973, two positioning sliding blocks 974 are subject to after the ejection of locating slot 981, because the spring damping of flexible assembly 975, two positioning sliding blocks 974 can inside contract and close to each other gradually along with pedestal 973 rotates, and then the coupling of disengaging and locating slot 981, so the rotation of pedestal 973 can't be with the rotation of moving cam 98.But when starter 92, make after pushing and pressing part 942 displacements of spring, the second exntension tubs 971 also can be moved toward pedestal 973 directions by pushing and pressing, now the clamping pole 9721 of the second clutch block 972 that exntension tubs 971 connect can stretch out the set perforation of pedestal 973 9733 gradually, to location, and further with the draw-in groove 982 phase clips of cam 98.Therefore,, under this state, rotating pedestal 973 can be by the torsion of clamping pole 9721, the opening door lock with the rotation of moving cam 98.

Claims (7)

1. a start groups of motors for electronic lock, is characterized in that, comprising:

One holder, this holder is provided with a room;

One motor, this motor and this holder connect, and are provided with a rotating shaft;

One worm screw, this worm screw is arranged in this rotating shaft, and the set teeth of this worm screw distribute completely and extend to a propelling end and a reset terminal at these worm screw two ends; And

One spring, one socket part of this spring is bent into horizontal hook shape and hooks to this worm screw and is placed in these teeth, the part of this spring outside this socket part is a pushing and pressing part, the internal diameter of this pushing and pressing part is greater than the external diameter of these teeth, wherein, this spring can rotate with this teeth spiral and promote upwards to move forward and backward in this worm shaft because of this worm screw, when it moves to this propelling end of this worm screw because passing and forms idle running without this teeth phase fit, and when it oppositely moves to this reset terminal also because forming idle running without this teeth phase fit passing.

2. the start groups of motors of electronic lock as claimed in claim 1, is characterized in that, the further butt in this pushing and pressing part has a rear clutch part, and this rear clutch part is sheathed in this room, and can slippage in this room.

3. the start groups of motors of electronic lock as claimed in claim 2, is characterized in that, this rear clutch part is provided with at least one sliding tray, is provided with corresponding at least one raised line in this room.

4. the start groups of motors of electronic lock as claimed in claim 2, is characterized in that, this rear clutch part comprises the snap-latch piece that one first exntension tubs are connected with, and these first exntension tubs are connected to this pushing and pressing part.

5. the start groups of motors of electronic lock as claimed in claim 2, is characterized in that, this rear clutch part further can be coupled in a cam, and this rear clutch part comprises:

One pedestal, this pedestal is provided with two perforation and two limiting sections, between this two limiting section, is formed with a cushion space;

Two positioning sliding blocks, between this two positioning sliding block, be connected with after an elastic parts, be located in this cushion space, this two positioning sliding block can be in this cushion space with the buffering of this elastic parts inside contract and close to each other or because of the ejection of elastic force mutually away from, respectively this positioning sliding block is on outer peripheral face and be formed with respectively a location division;

One second exntension tubs, these second exntension tubs are connected to this pushing and pressing part; And

One clutch block, this clutch block is connected in these second exntension tubs with respect to the other end of this pushing and pressing part, and this clutch block is convexly equipped with has a clamping pole at least, and this clamping pole can stretch out this corresponding perforation after pushing against these second exntension tubs in this pushing and pressing part;

Wherein, this cam is provided with two locating slots that can be coupled with this slide block location division, and at least one can with the draw-in groove of this clamping pole phase clip.

6. the start groups of motors of electronic lock as claimed in claim 5, is characterized in that, this location division forms a roof-shaped structure by two planes are adjacent, and this locating slot is corresponding recess shape.

7. the start groups of motors of electronic lock as claimed in claim 5, is characterized in that, this location division is circular-arc, and this locating slot is corresponding circular arc recess shape.