CN2876262Y

CN2876262Y - Motor set of electron lock

Info

Publication number: CN2876262Y
Application number: CN 200620019063
Authority: CN
Inventors: 连智民
Original assignee: WFE Technology Corp
Current assignee: WFE Technology Corp
Priority date: 2006-04-04
Filing date: 2006-04-04
Publication date: 2007-03-07
Anticipated expiration: 2016-04-04

Abstract

The utility model relates to a motor set installed in electronic lock. The motor set of the utility model comprises a fixing block providing with a sliding room. A circuit set in the fixing block and is electrically connected with a front sensor and rear sensor. A presetting space is provided between the front sensor and rear sensor. A motor connects with the fixing block, and is provided with a rotating shaft and a screw rod. The screw rod is jointed with the rotating shaft. A screw cap that is connected to the screw bolt; and a housing enclosing the screw cap, the housing is moving forward and backward along with the screw cap in the sliding room when the engine is rotating, an induction block is embedded in the housing; when the housing moves backward to the direction of the engine, the movement is stopped for the induction block is sensed by from the rear sensor; and when the housing moves forward, the movement is stopped for the induction block is sensed by the front sensor.

Description

The groups of motors of electronic lock

Technical field

The utility model relates to a kind of groups of motors, especially relates to a kind of groups of motors that is arranged in the electronic lock.

Background technology

Common mechanical formula lockset is the configuration of locking bolt in its core, reaches the antitheft purpose that its exclusive key could be opened.Yet, utilize proper implements in certain hour, this kind lockset still can be had the inclination the personage and be cracked.Therefore, for further strengthening the unlocking difficulty of lockset, prior art promptly has the utility model that electronic induction identification mechanism is combined with traditional mechanical lockset, by the dual locking of mechanical type and electronic type, reaches best anti-theft feature.

Existing electronic lock structure as shown in Figure 1, it comprises a core 20, core 20 is provided with clutch part 30, a conducting subassembly 40, a cam 50, a back clutch part 60, a groups of motors 70 and a knob heart 80 before one in succession.Aforementioned components is to be installed in the housing 90, and an end that relends by the knob heart 80 is connected with knob 100.When utilizing correct key 10 to insert core 20, clutch part 30 made it backward before it can pass through spoon ditch and pushing and pressing smoothly, at the same time, key 10 and by the electronics contact induction, password that key 10 chips are stored or data are sent to electronic lock control system and carry out identification, if comparison result is to belong to correctly, then electronic lock is with starter group 70, make its driving and pass relevant member, and further back clutch part 60 is passed forward, this back clutch part 60 is engaged with preceding clutch part 30, and can pivot cam 50 interlocks and the unlatching lockset this moment by reversing of key 10.

Groups of motors 70, its function are to treat unlocking condition in that lockset is entered, if groups of motors 70 breaks down, even if mechanically with electronics on identification all conform to, still lockset can't be opened, therefore, groups of motors 70 is played the part of a considerable role in the electronics start mechanism of electronic lock.So the number of making flowing mode, result and rate of breakdown of groups of motors 70 profoundly influences effect and life-span that electronic lock uses.Be not provided with suitable position-limit mechanism during the revolution of existing groups of motors 70, therefore when motor drive that the member that is connected moves forward or after when moving, often make this member overshoot and push to other assembly, make motor often influence its application life on the one hand because of overshoot, other assembly is pushed and caused the displacement or the loose contact of internal component, the probability that electronic lock is broken down improves.

The utility model content

The technical problem that the utility model institute desire solves be at for the member displaced position that motor is driven more accurate, improve the overshoot phenomenon that is produced when motor drives in the existing electronic lock simultaneously, make motor that be arranged long application life, and reduce the probability that electronic lock breaks down, the utility model will provide a kind of and be provided with inductor and the utility model that fastens projection in the motor drive member, induction control by inductor makes the displacement of drive member more accurate, simultaneously through fastening the fasten effect of projection with corresponding structure, the mobile route of this drive member is limited in the predeterminated position, thereby can stop the generation of overshoot conditions, avoid internal component to come in contact bad situation simultaneously, and then increase the application life of electronic lock.

For this reason, the utility model provides a kind of groups of motors of electronic lock, comprising: a holder, this holder are provided with a slippage chamber; One circuit board, this circuit board is arranged on this holder, and is electrically connected with a preceding inductor and a back inductor, and this preceding inductor and this back inductor have a predetermined space apart; One motor, this motor and this holder connect, and are provided with a rotating shaft; One screw rod, this screw rod and this rotating shaft are coupling; One nut, this nut are bolted on this screw rod; An and cover body, this cover body envelopes this nut, and front and back slippage in this slippage chamber when this revolution with the interlock of this nut, this cover body is embedded with a sensor block, this cover body must stop slippage because of this sensor block is responded to by this back inductor when the slippage backward of this motor direction, and this cover body then stops slippage because of this sensor block is responded to by this preceding inductor during slippage forward.

In other words, the groups of motors of the utility model electronic lock comprises: a holder, this holder are provided with a slippage chamber; One circuit board, this circuit board is arranged on this holder, and is electrically connected with a preceding inductor and a back inductor, and this preceding inductor and this back inductor have a predetermined space apart; One motor, this motor and this holder connect, and are provided with a rotating shaft; One screw rod, this screw rod and this rotating shaft are coupling; One nut, this nut are bolted on this screw rod; An and cover body, this cover body envelopes this nut, and front and back slippage in this slippage chamber when this revolution with the interlock of this nut, this cover body is embedded with a sensor block, this cover body must stop slippage because of this sensor block is responded to by this back inductor when the slippage backward of this motor direction, and this cover body then stops slippage because of this sensor block is responded to by this preceding inductor during slippage forward.

In addition, but this cover body has a back projection near this side projection of this motor, and before its opposite side projection has one projection, this distal process that is coupling with this motor on this screw rod then can be provided with a back resisting block, its other end then can further be equipped with a retainer component, resisting block before this retainer component extension is extruded with one, when this cover body when the slippage backward of this motor direction, can fasten in this back resisting block by its this set back projection and stop slippage, when this cover body forward during slippage, then can by its set should before projection fasten in this preceding resisting block and stop slippage.

The setting of inductor and back inductor before in the utility model groups of motors can accurately stop slippage during slippage before and after this cover body on the precalculated position, avoid displacement to cross shortcoming preceding or later.In addition, see through set preceding projection in these cover body front and back and back projection, cooperate corresponding preceding resisting block and back resisting block on this screw rod, then cover body is forward during slippage, and preceding resisting block is with the connecting rod coaxial rotation, and current projection moves closer to and when fastening mutually with this preceding resisting block, motor also can stop operating, cover body is just won be moved to this place, thereby can prevent the generation of overshoot conditions, and avoid the situation of follow-up internal component simultaneously because of loose contact that displacement produces.On the other hand, when cover body slippage in the other direction, back resisting block also can fasten mutually with the back projection, and avoids contracting in this cover body transition.Therefore, by the utility model, except that accurately control the position that cover body moves, and cover body must be limited on the screw rod set before between resisting block and the back resisting block, and control the path of cover body displacement really, avoid the situation of overshoot to take place, and reduce the probability that electronic lock breaks down.

Below will cooperate the graphic embodiment of the present utility model that further specifies, following cited embodiment is in order to illustrate the utility model, be not in order to limit scope of the present utility model, any people who is familiar with this skill, in not breaking away from spirit and scope of the present utility model, can do a little changes and retouching.

Description of drawings

Fig. 1 is the decomposing schematic representation of existing electronic lock;

Fig. 2 is the schematic diagram that the utility model embodiment and back clutch part connect;

Fig. 3 is the exploded perspective view of the utility model embodiment;

Fig. 4 is the part combination schematic diagram of the utility model embodiment;

Fig. 5 is the work schematic diagram of the utility model embodiment;

Fig. 6 is the work schematic diagram of looking on the utility model embodiment;

Fig. 7 is another work schematic diagram of the utility model embodiment;

Fig. 8 is the schematic side view of the utility model embodiment.

Description of reference numerals:

Clutch part before 10 keys, 20 cores 30

31 junction pieces, 40 conducting subassemblies, 50 cams

60 back clutch part 61 engaging grooves 62 connectors

70 groups of motors, 71 holders slippage chambers 710

711 upper fixed seats, 7111 storage tanks, 712 lower fixed seats

72 motors, 721 rotating shafts, 73 screw rods

731 buckling grooves, 732 back resisting block 74 nuts

741 screws, 75 cover bodies, 751 upper outlet bodies

7511 wear groove 7512 embedding holes 752 lower covers

Projection 7523 back projections before 7521 containing grooves 7522

7524 pads, 76 retainer components, 761 Plug Divisions

Resisting block 77 sensor blocks 78 circuit boards before 762

The inductor 782 back inductor 80 knob hearts before 781

90 housings, 100 knobs

The specific embodiment

See also Fig. 2, this figure is the schematic diagram that the utility model embodiment and back clutch part connect.The groups of motors 70 of the utility model electronic lock, it is to be connected with mutually with back clutch part 60 by a connection piece 62, therefore, be arranged at that cover bodies 75 (please consulting Fig. 4 earlier) in the holder slippage chambers 710 71 are driven in the future and to holder 71 outside during passing, promptly get by the interlock of connector 62 back clutch part 60 is passed forward, engaging (seeing also Fig. 1) with preceding clutch part 30.Connector 62 is a spring in present embodiment, and it also can be other can give the elastic body that reverses.

Please consult Fig. 2～Fig. 4 simultaneously, these figure are schematic diagrames of the utility model embodiment.Groups of motors 70 of the present utility model comprises a holder 71, a motor 72, a screw rod 73, a nut 74, a cover body 75, a retainer component 76, a sensor block 77 and a circuit board 78.Holder 71 is provided with a slippage chamber 710, in order to being installed with members such as motor 72, screw rod 73, nut 74, cover body 75, retainer component 76, and make the cover body 75 must be in wherein slippage, so these slippage chamber 710 configurations is corresponding with the outer rim shape of cover body 75.Holder 71 can be formed in one, or as being made of a corresponding upper fixed seat 711 institute that is connected with a lower fixed seat 712 respectively in the present embodiment, but is not limited in this.Indent has two storage tanks 7111 at a distance of a predetermined space on the upper fixed seat 711.Storage tank 7111 can be installed with a preceding inductor 781 and a back inductor 782 that is electrically connected with circuit board 78 respectively.

Motor 72, it is coupling with a

screw rod

73,73 of this screw rods can socket or alternate manner be fixed in the rotating shaft 721 of motor 72.Screw rod 73 is provided with a back resisting block 732 with this distal process that motor 72 connects, and its other end then offers a buckling groove 731.Back resisting block 732 is to be extended to connect by screw rod 73 bodies to establish, and can fasten mutually with back projection 7523, and it is not provided with special restriction in configuration.

Nut 74, it is provided with a screw 741 that can be screwed with screw rod 73, and is bolted in whereby on this screw rod 73.Nut 74 is to be square in this enforcement, but its shape is not limited in this.

Cover body 75, it comprises a upper outlet body 751 and a corresponding lower cover 752.Upper outlet body 751 is respectively arranged with one with lower cover 752 and wears a groove 7511 and a containing groove 7521, and with described nut 74 double teams wherein.Wearing groove 7511 is corresponding with the configuration of nut 74 with containing groove 7521, and it must be embedded wherein can't rotate.Cover body 75 except that organize mutually by upper outlet body 751 and lower cover 752 establish, it also can be formed in one and be provided with one and wear groove, so as to nut is worn fixing wherein.Lower cover 752 is stretched near motor 72 these pleurapophysis a back projection 7523, and its opposite side then projection has a preceding projection 7522.Preceding projection 7522 is not provided with special restriction with projection 7523 set positions, back, and it also can be arranged on the upper outlet body 751 simultaneously, or is arranged at respectively on upper outlet body 751 and the lower cover 752.Also can further cover on the back projection 7523, in order to the friction of protecting back projection 7523 when fastening, to be produced with a pad 7524.

Retainer component 76, it comprises a Plug Division 761 and a preceding resisting block 762.Retainer component 76 can be by its Plug Division 761 that is column, plugs to be fixed in the set buckling groove 731 of screw rod 73.Plug Division 761 only is illustration in present embodiment with the configuration of buckling groove 731, and other configuration that can engage or connect also must be implemented in the utility model.Preceding resisting block 762 is to be extended by retainer component 76 bodies to give prominence to, and can fasten mutually with preceding projection 7522, and it is not provided with special restriction in configuration.

Sensor block 77, it is embedded in the set embedding hole 7512 of upper outlet body 751.Circuit board 78, inductor 781 and back inductor 782 before it is equipped with, when circuit board 78 covered on upper fixed seat 711, inductor 781 was to be located in respectively in the storage tank 7111 with back inductor 782.Before inductor 781 and inductor 782 set positions, back be on the two ends corresponding to cover body 75 slippage scopes, by with the induction of sensor block 77, when making behind cover body 75 front and back slippage must because of sensor block 77 be subjected to respectively before inductor 781 or back inductor 782 respond to and stop slippage, and can accurately control the slippage scope of cover body 75.When preceding inductor 781 or back inductor 782 are sensed sensor block 77, be that this sensor signal is sent to the control system (not shown) of electronic lock by circuit board 78, and then make motor 72 outages, then cover body 75 is no longer mobile.Aforementioned induction mode can be electromagnetic induction, but is not limited in this.

When group is established groups of motors 70 of the present utility model, at first screw rod 73 is coupling in the rotating shaft 721 of motor 72, then nut 74 is coated in the cover body 75, see through nut 74 whole being bolted on the screw rod 73 again, afterwards retainer component 76 is arranged in the end of screw rod 73.At last, then be that aforementioned combination is arranged in the set slippage chamber 710 of holder 71, again circuit board 78 is covered on upper fixed seat 711 together with preceding inductor 781 and back inductor 782.Motor 72 can together be arranged in the slippage chamber 710, also can be arranged at outside it.

See also Fig. 5 and Fig. 6, these figure are start work schematic diagrames of the utility model embodiment.When motor 72 rotates, make screw rod 73 related rotations simultaneously, screw rod 73 rotates that the back is former should to drive the nut 74 that is spirally connected on it, makes its related rotation.But because nut 74 is coated in the cover body 75, cover body 75 then is restricted in the slippage chamber 710, therefore, when screw rod 73 rotates, cover body 75 can't be also can't be in company with rotation, but order about nut 74 together with cover body 75 slippage forward in slippage chamber 710.The cover body 75 simultaneously related back clutch part 60 (seeing also Fig. 2) that makes of slippage is forward passed forward, and must engage with preceding clutch part 30, to unblank.

See also Fig. 7, this figure is another work schematic diagram of the utility model embodiment.Cover body 75 slides onto a distance forward along with the interlock of nut 74 in slippage chamber 710, sensor block 77 set on the cover body 75 can be responded to mutually with preceding inductor 781, motor 72 is stopped, then cover body 75 displacement no longer forward.At this moment, preceding projection 752 also can fasten mutually with resisting blocks 762 before retainer component 76 is set, makes cover body 75 can't continue reach, so the overshoot can prevent that cover body 75 from moving forward outward the time.The identical situation, please consult Fig. 6 and Fig. 8 simultaneously, when electronic lock is opened the back in reinstatement, motor 72 and screw rod 73 reverse rotations, then cover body 75 moves after motor 72 directions, and when sliding onto preset distance, sensor block 77 set on the cover body 75 can be responded to mutually with back inductor 782, motor 72 is stopped, making cover body 75 displacement no longer backward.At this moment, set back projection 7523 also can fasten after screw rod 73 is set on the resisting blocks 732 and stops slippage on the cover body 75, so the overshoot can prevent to contract in cover body 75 backward the time.Therefore, by the utility model, except that must be by inductor is accurately controlled the position that cover body 75 moves, and must increase one deck protection, with cover body be limited on the screw rod set before between resisting block 762 and the back resisting block 732, and control the path of cover body 75 displacements really, avoid the situation generation of overshoot.

Claims

1, a kind of groups of motors of electronic lock is characterized in that, comprising:

One holder, this holder are provided with a slippage chamber;

One circuit board, this circuit board is arranged on this holder, and is electrically connected with a preceding inductor and a back inductor, and this preceding inductor and this back inductor have a predetermined space apart;

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

One screw rod, this screw rod and this rotating shaft are coupling;

One nut, this nut are bolted on this screw rod; And

One cover body, this cover body envelopes this nut, and front and back slippage in this slippage chamber when this revolution with the interlock of this nut, this cover body is embedded with a sensor block, this cover body must stop slippage because of this sensor block is responded to by this back inductor when the slippage backward of this motor direction, and this cover body then stops slippage because of this sensor block is responded to by this preceding inductor during slippage forward.

2, the groups of motors of electronic lock according to claim 1, it is characterized in that, this cover body is stretched near this pleurapophysis of this motor a back projection, its opposite side then projection has a preceding projection, and a distal process that is coupling with this motor on this screw rod is provided with a back resisting block, its other end then further is equipped with a retainer component, this retainer component then extends and is extruded with resisting block before, when this cover body when the slippage backward of this motor direction, be to fasten in this back resisting block by its this set back projection to stop slippage, when this cover body forward during slippage, then be by its set should before projection fasten in this preceding resisting block and stop slippage.

3, the groups of motors of electronic lock according to claim 1 and 2 is characterized in that, this cover body offers one and wears groove, and this nut is to wear this to wear groove and be placed in this cover body.

4, the groups of motors of electronic lock according to claim 1 is characterized in that, this cover body comprises a upper outlet body and a lower cover that engages up and down.

5, the groups of motors of electronic lock according to claim 1 is characterized in that, this screw rod is provided with a buckling groove, and this retainer component is to be arranged in this buckling groove by its set Plug Division.

6, the groups of motors of electronic lock according to claim 1 is characterized in that, this back projection further is equipped with a pad.

7, the groups of motors of electronic lock according to claim 1 is characterized in that, this holder comprises a upper fixed seat and a lower fixed seat that engages up and down.