A kind of intelligent electronic lock for cabinet
Technical field
The utility model relates to the electronic lock technical field, more particularly, relates to a kind of intelligent electronic lock for cabinet.
Background technology
The intelligence electronic lock for cabinet is that cabinet door, the intelligent cabinet dedicated lock of closing the door and namely locking are opened in a kind of employing energising.
Existing electronic lock comprises lock housing, electromagnet, tower spring, grab lever, locking lever, latch hook and elastic rod.While laying the key under the door, latch hook enters by the short slot place of lock housing, drive block on elastic rod is pushing away the grab lever and is being rotated counterclockwise, compress simultaneously stage clip, after the grab lever other end backs down brake lever, both first stop surfaces and the second stop surface interlock, fix between the drive block of the latch hook draw-in groove of grab lever and transmission mechanism, and microswitch is triggered.When the needs release, the moved end of electromagnet moves down, the rotation of interlock locking lever, the first stop surface and the second stop surface interlock discharge, the grab lever turns clockwise and opens short slot under the stage clip that drive block is connected drives, latch hook ejects simultaneously under the transmission fastoperation, realize that release flicks cabinet door purpose.
Existing electronic lock is applied in large cabinet or with fresh-keeping kinetic energy cabinet door during with the bin of magnetic seal, normal appearance can't flick cabinet door phenomenon.Prior art, for fear of the problem that can't flick the cabinet door, usually adopt the mode that increases electronic lock power, yet this way can increase lock body undoubtedly greatly, has both increased cost, takies again the cabinet usage space.
Therefore, how, under the prerequisite that does not increase lock body, avoid flicking the defect of cabinet door, become those skilled in the art's technical problem urgently to be resolved hurrily.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of intelligent electronic lock for cabinet, under the prerequisite not increasing lock body, avoids flicking the defect of cabinet door.
For achieving the above object, the utility model provides following technical scheme:
A kind of intelligent electronic lock for cabinet comprises:
Lock housing, offer the latch hook insert port on described lock housing;
Be arranged at the elastic rod in described lock housing, described elastic rod and described latch hook insert port are positioned on same axis, on described elastic rod, are arranged with the first elastic component be used to resetting;
Can be inserted by described latch hook insert port, and the latch hook for offseting with described elastic rod;
Be arranged at rotationally the grab lever in described lock housing, described grab lever one end has be used to blocking the draw-in groove of described latch hook, and the grab lever of described draw-in groove touches the elastic rod contact ring interlock of face and described elastic rod;
Be arranged at rotationally the locking lever in described lock housing, the grab lever stop surface interlock of the locking lever stop surface of described locking lever one end and the described grab lever other end;
Be arranged at the electromagnet in described lock housing, the moved end of described electromagnet and the described locking lever other end are hinged, and the moved end of described electromagnet is provided with the second elastic component that resets for described locking lever.
Preferably, in above-mentioned intelligent electronic lock for cabinet, also comprise the first positioning base that is arranged on described lock housing, an end of described the first elastic component is positioned described the first positioning base, and the other end of described the first elastic component is positioned the shaft shoulder of described elastic rod.
Preferably, in above-mentioned intelligent electronic lock for cabinet, also comprise the second positioning base that is arranged on described lock housing, after described elastic rod flicked, the shaft shoulder of described elastic rod was spacing by described the second positioning base.
Preferably, in above-mentioned intelligent electronic lock for cabinet, the moved end of described electromagnet and the connecting portion of described locking lever arrive the distance of locking lever stop surface to the distance of the center of rotation of described locking lever greater than the center of rotation of described locking lever.
Preferably, in above-mentioned intelligent electronic lock for cabinet, described grab lever stop surface touches the distance of face to the distance of described grab lever center of rotation to the grab lever greater than described grab lever center of rotation.
Preferably, in above-mentioned intelligent electronic lock for cabinet, described the first elastic component and described the second elastic component are spring.
From above-mentioned technical scheme, can find out, the intelligent electronic lock for cabinet that the utility model provides, while laying the key under the door, due to elastic rod and latch hook on same axis, latch hook promotes elastic rod under the active force of closing the door, when stroke contacted with grab lever shake-up face to the elastic rod contact ring, the elastic rod contact ring grab lever that links under the active force of closing the door, made the grab throw of lever to upper lock position.Locking lever carries out stop action under the second elastic device effect, automatically locks.During energising, the electromagnet action pulls locking lever, and locking lever stop surface and grab lever stop surface are broken away from, and under the first elastic component active force, elastic rod promotes rapidly latch hook, and the grab lever rotates, and latch hook flicks, and flicks simultaneously the formation of cabinet door and unblanks.
The utility model is direct and latch hook interlock by elastic rod, simplified product structure, and elastic rod and latch hook make elastic rod directly to promote latch hook on same axis, makes latch hook flick, namely the elastic force of the first elastic component and latch hook flicks direction on same direction, make elastic force can directly be used for latch hook, rather than elastic force is passed to latch hook by the 3rd, make elastic force larger, even cabinet door band magnetic seal, also can flick latch hook.This practicality is new under the prerequisite that does not increase lock body, has avoided flicking the defect of cabinet door.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Structural representation after the intelligent electronic lock for cabinet that Fig. 1 provides for the utility model embodiment is locked;
Structural representation after the intelligent electronic lock for cabinet that Fig. 2 provides for the utility model embodiment is unblanked;
The lock structural representation of process one of the intelligent electronic lock for cabinet that Fig. 3 provides for the utility model embodiment;
The lock structural representation of process two of the intelligent electronic lock for cabinet that Fig. 4 provides for the utility model embodiment;
The lock structural representation of process three of the intelligent electronic lock for cabinet that Fig. 5 provides for the utility model embodiment;
The unblank structural representation of process one of the intelligent electronic lock for cabinet that Fig. 6 provides for the utility model embodiment;
The unblank structural representation of process two of the intelligent electronic lock for cabinet that Fig. 7 provides for the utility model embodiment.
Wherein, 1 is lock housing; 2 is electromagnet; 3 is the second elastic component; 4 is locking lever; 41 is the locking lever stop surface; 5 is the grab lever; 51 is grab lever stop surface; 52 are grab lever shake-up face; 6 is latch hook; 7 is elastic rod; 71 is the first positioning base; 72 is the second positioning base; 73 is the elastic rod contact ring; 8 is the first elastic component.
The specific embodiment
Core of the present utility model is to provide a kind of intelligent electronic lock for cabinet, under the prerequisite not increasing lock body, avoids flicking the defect of cabinet door.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the structural representation after the intelligent electronic lock for cabinet that Fig. 1 provides for the utility model embodiment is locked; Structural representation after the intelligent electronic lock for cabinet that Fig. 2 provides for the utility model embodiment is unblanked.
The intelligent electronic lock for cabinet that the utility model embodiment provides, comprise lock housing 1, elastic rod 7, latch hook 6, grab lever 5, locking lever 4 and electromagnet 2.
Wherein, on lock housing 1, offer the latch hook insert port, for the insertion of latch hook when locking 6.Elastic rod 7 is arranged in lock housing 1, and elastic rod 7 is positioned on same axis with the latch hook insert port, namely elastic rod 7 and latch hook 6 same axially on, latch hook 6, after along the latch hook insert port, inserting, can directly act on this elastic rod 7.On elastic rod 7, be arranged with the first elastic component 8 be used to resetting, while locking, in elastic rod 7 moving process, can compress this first elastic component 8, while unblanking, external force is removed, and the first elastic component 8 resets and promotes elastic rod 7 and return to original position.
Latch hook 6 can be inserted by the latch hook insert port, for elastic rod 7, offseting.Grab lever 5 is arranged in lock housing 1 rotationally, and grab lever 5 one ends have be used to blocking the draw-in groove of latch hook 6, and after locking, the limiting component of latch hook 6 snaps in this draw-in groove, makes latch hook 6 to extract.The grab lever of draw-in groove touches face 52 and links with the elastic rod contact ring 73 of elastic rod 7, and namely when latch hook 6 promotion elastic rods 7 moved, elastic rod contact ring 73 promoted the grab levers and touches face 52, drove 5 rotations of grab lever.
Locking lever 4 is arranged in lock housing 1 rotationally, the locking lever stop surface 41 of locking lever 4 one ends and 51 interlocks of the grab lever stop surface of grab lever 5 other ends.While locking, after grab lever 5 turned to grab lever stop surface 51 and locking lever stop surface 41 coordinates, latch hook 6 just was limited in the draw-in groove of grab lever 5.
Electromagnet 2 is arranged in lock housing 1, and the moved end of electromagnet 2 and locking lever 4 other ends are hinged, and the moved end of electromagnet 2 is provided with the second elastic component 3 that resets for locking lever 4.Electromagnet 2, after energising, can drive locking lever 4 and rotate, and makes grab lever stop surface 51 and locking lever stop surface 41 mated condition lose, and elastic rod 7 has resetted and unblanked.
Refer to Fig. 3-Fig. 5, the lock structural representation of process one of the intelligent electronic lock for cabinet that Fig. 3 provides for the utility model embodiment; The lock structural representation of process two of the intelligent electronic lock for cabinet that Fig. 4 provides for the utility model embodiment; The lock structural representation of process three of the intelligent electronic lock for cabinet that Fig. 5 provides for the utility model embodiment.
While laying the key under the door, due to elastic rod 7 with latch hook 6 on same axis, latch hook 6 promotes elastic rod 7 under the active force of closing the door, when stroke to elastic rod contact ring 73 and grab lever shake-up face 52 contacts, the elastic rod contact ring 73 grab lever 5 that links under the active force of closing the door, make grab lever 5 strokes to upper lock position.
Refer to Fig. 6 and Fig. 7, the unblank structural representation of process one of the intelligent electronic lock for cabinet that Fig. 6 provides for the utility model embodiment; The unblank structural representation of process two of the intelligent electronic lock for cabinet that Fig. 7 provides for the utility model embodiment.
During energising, electromagnet 2 actions pull locking lever 4, and locking lever stop surface 41 and grab lever stop surface 51 are broken away from, under the first elastic component 8 active forces, elastic rod 7 promotes rapidly latch hook 6, and grab lever 5 rotates, latch hook 6 flicks, and flicks simultaneously the formation of cabinet door and unblanks.
The utility model is direct and latch hook 6 interlocks by elastic rod 7, simplified product structure, and elastic rod 7 with latch hook 6 on same axis, make elastic rod 7 can directly promote latch hook 6, make latch hook 6 flick, namely the elastic force of the first elastic component 8 and latch hook 6 flicks direction on same direction, make elastic force can directly be used for latch hook 6, rather than elastic force is passed to latch hook 6 by the 3rd, make elastic force larger, even cabinet door band magnetic seal, also can flick latch hook 6.This practicality is new under the prerequisite that does not increase lock body, has avoided flicking the defect of cabinet door.
In the utility model one specific embodiment, the utility model also can comprise that the other end that an end that is arranged at the first positioning base 71, the first elastic components 8 on lock housing 1 is positioned the first positioning base 71, the first elastic components 8 is positioned the shaft shoulder of elastic rod 7.
Correspondingly, the utility model also can comprise the second positioning base 72 that is arranged on lock housing 1, and after elastic rod 7 flicked, the shaft shoulder of elastic rod 7 was spacing by the second positioning base 72.When unblanking, when elastic rod 7 flicked and move to the second positioning base 72 position, the shaft shoulder of elastic rod 7 can be spacing by the second positioning base 72, stops elastic rod 7 to continue movement and shift out lock housing 1.
In order further to optimize technique scheme, in the utility model one specific embodiment, the connecting portion of the moved end of electromagnet 2 and locking lever 4 arrives the distance of locking lever stop surface 41 to the distance of the center of rotation of locking lever 4 greater than the center of rotation of locking lever 4.Grab lever stop surface 51 touches the distance of face 52 to the distance of grab lever 5 centers of rotation to the grab lever greater than grab lever 5 centers of rotation.
The utility model is by all being related to locking lever 4 and grab lever 5 structure of lever, make the electromagnetic force of electromagnet 2 can drive like a cork locking lever 4 rotations, by locking lever 4, stir grab lever 5 simultaneously and rotate, and make locking lever stop surface 41 break away from card with grab lever stop surface 51, join state.For the foregoing reasons, can increase the lever ratio of locking lever 4 and grab lever 5, make to be locked in sensitive unblanking in the situation of increasing power not.
Further, the first elastic component 8 and the second elastic component 3 are spring, and wherein the first elastic component 8 is Compress Spring, and the second elastic component 3 is the tower spring.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.