CN209723937U - Fingerprint-based padlock - Google Patents

Abstract

The utility model belongs to lock technology field, more particularly to a kind of fingerprint-based padlock, including lock housing, latch hook, fingerprint mould group and latch assembly, latch hook is movably installed in lock housing, one end on latch hook offers locked groove, fingerprint mould is mounted in lock housing, latch assembly includes motor, cam, first elastic component and lock piece, motor is installed in lock housing and is electrically connected with fingerprint mould group, the main shaft of motor connect with cam and is used to that cam to be driven to rotate, the range of cam rotation forms the first unlock area, one end of lock piece is abutted with the inner wall of locked groove, the other end unlocks area towards first and extends, first elastic component is connected between lock piece and lock housing, the fingerprint-based padlock of the utility model is directly stirred lock piece by cam and is unlocked, it is not only simple in structure, the feelings to get stuck will not occur because lacking lubrication in the case of long-term use Condition, and unlock response fastly, user experience is good, has splendid market application prospect.

Description

Fingerprint-based padlock

Technical field

The utility model belongs to lock technology field more particularly to a kind of fingerprint-based padlock.

Background technique

Fingerprint is widely used in the scene of various identifications because of its unicity, and present market occurs all kinds of fingers Line lockset is not obtained easily with property and the privacy etc. of protecting people by other people.Wherein fingerprint-based padlock is as a kind of portable lock Tool can be widely applied on door, drawout cubicle and safety cabinet etc. lock to tie up, and prevent other people from allowing access into individual without oneself Region.Fingerprint-based padlock when in use, generally by internal battery is powered the work of fingerprint module, and user only needs will be certainly Oneself finger pressing identifies on fingerprint module, when fingerprint module identifies and is confirmed as license fingerprint, just starts motor, makes It obtains motor driven lock core and is detached from latch hook, complete opening operation.Space structure is often but in existing fingerprint-based padlock, in tapered end Than relatively limited, and when motor driven lock core disengaging latch hook, and a more complicated transmission mechanism is needed, such as passes through gear wheel-train It is driven, not only needs certain transmission time during unlocking in this way, causing to unlock, it is slower to respond, and when long Between after use, often due to lacking lubrication between gear wheel-train, cause to be easy to appear the phenomenon that getting stuck when unlocking, or even can not It unlocks, it is inconvenient to use.

Utility model content

The purpose of this utility model is to provide a kind of fingerprint-based padlocks, it is intended to solve fingerprint-based padlock in the prior art and unlock It is relatively slow and be easy to appear the technical issues of getting stuck.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: fingerprint-based padlock, including lock housing, latch hook, Fingerprint mould group and latch assembly, the latch hook are movably installed in the lock housing, and one end on the latch hook offers locked groove, institute It states fingerprint mould to be mounted in the lock housing, the latch assembly includes motor, cam, the first elastic component and lock piece, the horse Up to being installed in the lock housing and being electrically connected with the fingerprint mould group, the main shaft of the motor connect and is used for the cam The cam is driven to rotate, the range of the cam rotation forms the first unlock area, one end of the lock piece and the locked groove Inner wall abut, the other end extends into first unlock area, first elastic component is connected to the lock piece and the lock Between shell.

Preferably, the lock piece includes contact body and the arc transmission body connecting with the contact body, the contact body It is abutted with the inner wall of the locked groove, the arc transmission body is arranged close to the outer profile of the cam, and first elastic component connects It is connected between the contact body and the lock housing.

Preferably, the lock housing is equipped with the limit sliding chutes perpendicular to the contact body, and the side of the contact body is equipped with Limited post, the limited post are slidably connected in the limit sliding chutes.

Preferably, the contact body is equipped with the guide post with the equidirectional extension of the limit sliding chutes, first elasticity Part is sheathed on the periphery of the guide post far from one end of the lock housing and connect with the contact body.

Preferably, the latch assembly further includes mechanical lock, and the mechanical lock includes lock body, lock core and eccentric rod, described Lock body is installed in the lock housing, and the lock core is set in the lock body, and one end of the eccentric rod is connected on the lock core And be arranged with the center interval of the lock core, the direction that the other end of the eccentric rod faces away from the lock core extends, The lock core drives the eccentric rod rotation, and the range of the eccentric rod rotation forms the second unlock area, and the lock piece also wraps Connector is included, one end of the connector is connect with the arc transmission body far from one end of the contact body, the other end extends Enter second unlock area.

Preferably, the latch assembly further includes the second elastic component, and one end of second elastic component and the lock housing connect It connects, the other end is abutted with the connector.

Preferably, the latch hook includes the fixing body for mounting body and being connected to described mounting body one end, is set in the lock housing Have the first lock chamber and second lock chamber, the fixing body be installed on it is described first lock it is intracavitary, it is described mounting body the other end be placed in Second lock is intracavitary, and the locked groove is set on the mounting body close to one end of the fixing body.

Preferably, third elastic component, one end of the third elastic component and first lock are socketed on the fixing body Inner wall abutting, the other end and the end abutment for mounting body of chamber.

Preferably, the fingerprint mould group includes Fingerprint Identification Unit and master control borad, and the master control borad is set in the lock housing, institute Fingerprint Identification Unit is stated on the outer surface of the lock housing and is electrically connected with the master control borad, the motor and the master control borad It is electrically connected.

Preferably, the fingerprint mould group further includes rechargeable battery, and the rechargeable battery is set in the lock housing, the charging Battery and the master control borad are electrically connected, and the lock housing is equipped with charging port, the charging port and rechargeable battery electricity Property connection.

The utility model has the beneficial effects that the fingerprint-based padlock of the utility model, user when in use, need to only first pass through finger in advance Line mould group has stored the finger print information of designated person, when needing to unlock by fingerprint pressing in fingerprint mould group.In unlocking In the process, after fingerprint mould group identifies the fingerprint at handy family, just starter motor, so that motor rotation is rotated with band moving cam, wherein The region that the profile of cam periphery passes through in rotation forms the first unlock area, in this way, being located at the lock piece in the first unlock area It will be struck during cam rotates, lock piece overcomes the elastic force of the first elastic component to move and be detached from locked groove, then uses Latch hook is stirred at family outward, and the outer periphery of lock piece and locked groove abuts against at this time, i.e. completion unlocking operation, after the completion of unlock, horse It keeps in the center up to just reversion band moving cam；When needing to carry out latch hook and tapered end is locked, latch hook need to only be pushed to transport towards tapered end It is dynamic, it is entered the lock slot so that abutting plate and being clamped under the action of the first elastic component, and without external forces, keep card Connect state (i.e. locking state).It is unlocked in this way, directly stirring lock piece by cam, structure is simple, is for a long time The case where will not getting stuck because lacking lubrication under, and unlock response fastly, user experience is good, has splendid Market application prospect.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of fingerprint-based padlock provided by the embodiment of the utility model；

Fig. 2 is the schematic diagram of the section structure of fingerprint-based padlock provided by the embodiment of the utility model；

Fig. 3 is the schematic diagram of internal structure of fingerprint-based padlock provided by the embodiment of the utility model；

Fig. 4 is the configuration schematic diagram of fingerprint-based padlock provided by the embodiment of the utility model；

Fig. 5 is the lock piece structural schematic diagram of fingerprint-based padlock provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-20-latch hook of lock housing, 21-mounting bodies

22-fixing body 23-third elastic component 30-fingerprint mould groups

31-Fingerprint Identification Unit 32-master control borad, 33-rechargeable batteries

40-latch assembly 41-motor, 42-cams

43-the first 44-lock piece of elastic component 45-the first unlocks area

46-mechanical locks 47-the second unlock the 48-the second elastic component of area

211-locked groove 441-contact body, 442-arc transmission bodies

443-connector 461-lock body, 462-lock cores

463-eccentric rod 4411-limited post, 4412-guide posts.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~5 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~5, the utility model embodiment provides a kind of fingerprint-based padlock, apply safety cabinet, drawout cubicle and On door at equal positions.Fingerprint-based padlock includes latch hook 20, lock housing 10, fingerprint mould group 30 and latch assembly 40, and the latch hook 20 is living Dynamic to be installed in the lock housing 10, one end on the latch hook 20 offers locked groove 211, and the fingerprint mould group 30 is set to the lock On shell 10, the latch assembly 40 includes motor 41, cam 42, the first elastic component 43 and lock piece 44, and the motor 41 is installed It is electrically connected in the lock housing 10 and with the fingerprint mould group 30, the main shaft of the motor 41 connect with the cam 42 and is used in combination In driving the cam 42 to rotate, the range that the cam 42 rotates forms the first unlock area 45, one end of the lock piece 44 Abutted with the inner wall of the locked groove 211, the other end extends into first unlock area 45, first elastic component 43 is connected to institute It states between lock piece 44 and the lock housing 10.

Specifically, the fingerprint-based padlock of the utility model embodiment, user when in use, need to only first pass through fingerprint mould group 30 in advance The finger print information for having stored designated person, when needing to unlock by fingerprint pressing in fingerprint mould group 30.In the process of unlocking In, after fingerprint mould group 30 identifies the fingerprint at handy family, just starter motor 41, are rotated so that motor 41 is rotated with band moving cam 42, The region that wherein profile of 42 periphery of cam passes through in rotation forms the first unlock area 45, in this way, being located at the first unlock area 45 Interior lock piece 44 will be struck during cam 42 rotates, and lock piece 44 overcomes the elastic force of the first elastic component 43 to move And it is detached from locked groove 211, then user stirs latch hook 20 outward, and lock piece 44 and the outer periphery of locked groove 211 abut against at this time, i.e., complete At unlocking operation, after the completion of unlock, motor 41 just inverts band moving cam 42 and keeps in the center；When needs will carry out latch hook 20 and lock When head locking, latch hook 20 need to only be pushed to move towards tapered end, so that abut plate is clamped entrance under the action of the first elastic component 43 In locked groove 211, and without external forces, keep clamped condition (i.e. locking state).In this way, direct by cam 42 It stirs lock piece 44 to be unlocked, structure is simple, is being will not occur getting stuck because lacking lubrication using lower for a long time Situation, and unlock response fastly, user experience is good, has splendid market application prospect.

In one embodiment, as shown in Figure 2-5, the lock piece 44 include contact body 441 and with the contact body The arc transmission body 442 of 441 connections, the contact body 441 are abutted with the inner wall of the locked groove 211, the arc transmission body 442 Outer profile close to the cam 42 is arranged, first elastic component 43 be connected to the contact body 441 and the lock housing 10 it Between.Specifically, cam 42 includes basic circle and the lug boss on basic circle, and smooth transition forms cam between basic circle and lug boss 42 contour curve, and the inner arc of arc transmission body 442 is adapted with the contour curve formed between basic circle and lug boss, arc Transmission body 442 is wound around the periphery of the contour curve formed between basic circle and lug boss, and arc transmission body 442 and cam 42 Between there are certain gaps, be not directly to contact.In locking state, cam 42 equidirectional prolongs with the side close to latch hook 20 Stretch (i.e. cam 42 and latch hook 20 are in parastate), the profile formed between arc transmission body 442 and basic circle and lug boss at this time Curve is similar to parallel state, does not contact with each other, then solution is being needed to lock, and motor 41 is passed with moving cam 42 towards arc The rotation of kinetoplast 442 abuts with arc transmission body 442 and gradually drives arc transmission body 442 mobile, so that arc transmission body 442 is same Step drives contact body 441 to be detached from locked groove 211, and user stirs latch hook 20 at this time, completes unlocking operation.At the same time, contact body 441 Be detached from locked groove 211 after under the action of the first elastic component 43, holding abutted with the outer periphery of locked groove 211, and motor 41 drive it is convex Wheel 42 is kept in the center, and during the locking of next step, only need to be pushed latch hook 20 towards tapered end, be slid into again so that abutting plate It is abutted in locked groove 211 and with the inner wall of locked groove 211.

In one embodiment, as seen in figures 3-5, the lock housing 10 is equipped with the limit perpendicular to the contact body 441 The side of sliding slot, the contact body 441 is equipped with limited post 4411, and the limited post 4411 is slidably connected to the limit sliding chutes It is interior.Specifically, contact body 441 drives the process of the disengaging locked groove 211 of lock piece 44 in cam 42 under the limit of limited post 4411 In, it is moved always along the direction perpendicular to contact body 441, thus can convert contact body 441 for the rotation of cam 42 Linear motion so that contact body 441 has the movement routine of fixed disengaging locked groove 211, and the path is most short Path, so that the fingerprint-based padlock has well, unlock responsiveness, user experience are good.

In one embodiment, as seen in figures 3-5, the contact body 441 is equipped with and the limit sliding chutes are equidirectional prolongs The guide post 4412 stretched, first elastic component 43 are sheathed on the periphery of the guide post 4412 far from one end of the lock housing 10 And it is connect with the contact body 441.Specifically, the first elastic component 43 is preferably spring, and spring is socketed in the outer of guide post 4412 Week, so that spring can keep straight state during stretching back and forth, the phenomenon that without distorting, thus Contact body 441 can be made when sliding into locked groove 211, good elastic force effect can be received and promptly abutted into locked groove 211, there is good responsiveness.

In one embodiment, as shown in figs. 2 to 4, the latch assembly 40 further includes mechanical lock 46, the mechanical lock 46 Including lock body 461, lock core 462 and eccentric rod 463, the lock body 461 is installed in the lock housing 10, and the lock core 462 is set to In the lock body 461, one end of the eccentric rod 463 is connected to the center on the lock core 462 and with the lock core 462 Interval setting, the direction that the other end of the eccentric rod 463 faces away from the lock core 462 extend, and the lock core 462 drives institute The rotation of eccentric rod 463 is stated, the range that the eccentric rod 463 rotates forms the second unlock area 47, and the lock piece 44 further includes connecting Junctor 443, one end of the connector 443 connect far from one end of the contact body 441 with the arc transmission body 442, are another One end extends into second unlock area 47.Fingerprint mould group 30 can not normal use in the case where, i.e., motor 41 can not be normal When work, when needing to unlock, user can be inserted in lock body 461 by the key being adapted in advance, and in rotational lock 461 Lock core 462 so that lock core 462 drive eccentric rod 463 rotate, until eccentric rod 463 stir positioned at second unlock area 47 in Connector 443, and then drive contact body 441 to be detached from locked groove 211 and complete unlock.Wherein, connector, arc driving member and contact body 441 are integrally formed, and are not only simple in structure, and do not have intermediate transmission mechanism, guarantee that it has good sensitivity, is not easy card Shell, user experience are good.

In one embodiment, as shown in figs. 2 to 4, the latch assembly 40 further includes the second elastic component 48, and described second One end of elastic component 48 is connect with the lock housing 10, the other end is abutted with the connector 443.Specifically, the second elastic component 48 Preferably elastic slice and with the first elastic component 43 respectively close to the both ends of lock piece 44, in this way whether through unlocked by fingerprint, still It is unlocked by mechanical lock 46, contact body 441 needs to slide into when being locked in locked groove 211, Ke Yi after being detached from locked groove 211 Under the collective effect of first elastic component 43 and the second elastic component 48, contact body 441 is pushed in locked groove 211, so that it has Excellent responsiveness.

In one embodiment, as shown in figs. 2 to 4, the latch hook 20 includes mounting body 21 and is connected to the mounting body The fixing body 22 of 21 one end, the lock housing 10 are equipped with the first lock chamber and the second lock chamber, and the fixing body 22 is installed on described the One lock it is intracavitary, it is described mounting body 21 the other end be placed in it is described second lock it is intracavitary, the locked groove 211 be set to the mounting body 21 Upper one end close to the fixing body 22.Specifically, the end of fixing body 22 is equipped with snap ring, is equipped with and snap ring the first lock is intracavitary The blocking body abutted against, such fixing body 22 just can only move back and forth certain distance the first lock is intracavitary, realize unlock and unlock Target caused inconvenient to use with preventing latch hook 20 from completely disengaging in lock housing 10；And the other end of latch hook 20 is then solving When lock, the second lock chamber is left, when locking, it is intracavitary to be inserted into the second lock, easy to use.

In one embodiment, as shown in figs. 34, third elastic component 23, the third are socketed on the fixing body 22 One end of elastic component 23 with it is described first lock chamber inner wall abuts, the other end and it is described mount body 21 end abutment.Specifically, Third elastic component 23 is preferably spring and is socketed on fixing body 22, so that in unlock, after contact body 441 is detached from locked groove 211, Third elastic component 23, which can pull up a horse, releases latch hook 20 towards outside, realizes unlock, very easy to use.

In one embodiment, as shown in figs. 2 to 4, the fingerprint mould group 30 includes master control borad 32 and Fingerprint Identification Unit 31, The master control borad 32 be set to the lock housing 10 in, the Fingerprint Identification Unit 31 be set to the lock housing 10 outer surface on and with it is described Master control borad 32 is electrically connected, and the motor 41 is electrically connected with the master control borad 32.Specifically, fingerprint mould group 30 can be normal In the case where use, when needing to unlock, user presses finger on Fingerprint Identification Unit 31, and Fingerprint Identification Unit 31 receives correctly Finger print information after, will pass through master control borad 32 control motor 41 start so that motor 41 with moving cam 42 rotate, and then drive support Junctor 441 is detached from locked groove 211, completes unlock, easy to use.

In one embodiment, as shown in figure 4, the fingerprint mould group 30 further includes rechargeable battery 33, the rechargeable battery 33 are set in the lock housing 10, and the rechargeable battery 33 is electrically connected with the master control borad 32, and the lock housing 10 is equipped with charging Port, the charging port and the rechargeable battery 33 are electrically connected.Specifically, the rechargeable battery 33 being arranged in lock housing 10 can It is charged by the charging port, which is general TYPE-C interface or USB interface etc., is made it possible to and crowd More charging adapters or charger baby are mutually compatible with, and when causing rechargeable battery 33 out of power outdoors for a long time, can pass through charger baby The charging of urgent formula is carried out, can also be opened by mechanical lock 46.

Further, rechargeable battery 33 is preferably lithium battery.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of fingerprint-based padlock, it is characterised in that: including lock housing, latch hook, fingerprint mould group and latch assembly, the latch hook activity peace Loaded in the lock housing, one end on the latch hook offers locked groove, and the fingerprint mould is mounted in the lock housing, the locking Component includes motor, cam, the first elastic component and lock piece, the motor be installed in the lock housing and with the fingerprint mould group It is electrically connected, the main shaft of the motor connect with the cam and is used to that the cam to be driven to rotate, the model of the cam rotation It encloses to form the first unlock area, one end of the lock piece is abutted with the inner wall of the locked groove, the other end extends into first solution Area is locked, first elastic component is connected between the lock piece and the lock housing.

2. fingerprint-based padlock according to claim 1, it is characterised in that: the lock piece includes contact body and abuts with described The arc transmission body of body connection, the contact body are abutted with the inner wall of the locked groove, and the arc transmission body is close to the cam Outer profile setting, first elastic component is connected between the contact body and the lock housing.

3. fingerprint-based padlock according to claim 2, it is characterised in that: the lock housing is equipped with perpendicular to the contact body The side of limit sliding chutes, the contact body is equipped with limited post, and the limited post is slidably connected in the limit sliding chutes.

4. fingerprint-based padlock according to claim 3, it is characterised in that: the contact body is equipped with same with the limit sliding chutes Direction extend guide post, first elastic component far from one end of the lock housing be sheathed on the guide post periphery and with institute State contact body connection.

5. fingerprint-based padlock according to claim 2, it is characterised in that: the latch assembly further includes mechanical lock, the machine Tool lock includes lock body, lock core and eccentric rod, and the lock body is installed in the lock housing, and the lock core is set in the lock body, institute State eccentric rod one end be connected on the lock core and with the lock core center interval setting, the eccentric rod it is another The direction that end faces away from the lock core extends, and the lock core drives the eccentric rod rotation, the range of the eccentric rod rotation The second unlock area is formed, the lock piece further includes connector, and one end of the connector and the arc transmission body are far from institute State one end connection of contact body, the other end extends into second unlock area.

6. fingerprint-based padlock according to claim 5, it is characterised in that: the latch assembly further includes the second elastic component, institute The one end for stating the second elastic component is connect with the lock housing, the other end is abutted with the connector.

7. described in any item fingerprint-based padlocks according to claim 1~6, it is characterised in that: the latch hook includes mounting body and company It is connected to the fixing body of described mounting body one end, the lock housing is equipped with the first lock chamber and the second lock chamber, and the fixing body is installed on It is described first lock it is intracavitary, it is described mounting body the other end be placed in it is described second lock it is intracavitary, the locked groove be set to the mounting body Upper one end close to the fixing body.

8. fingerprint-based padlock according to claim 7, it is characterised in that: be socketed with third elastic component, institute on the fixing body State one end of third elastic component is abutted with the inner wall of the first lock chamber, the other end and the end abutment for mounting body.

9. described in any item fingerprint-based padlocks according to claim 1~6, it is characterised in that: the fingerprint mould group includes that fingerprint is known Other device and master control borad, the master control borad are set in the lock housing, and the Fingerprint Identification Unit is set on the outer surface of the lock housing simultaneously It is electrically connected with the master control borad, the motor and the master control borad are electrically connected.

10. fingerprint-based padlock according to claim 9, it is characterised in that: the fingerprint mould group further includes rechargeable battery, described Rechargeable battery is set in the lock housing, and the rechargeable battery and the master control borad are electrically connected, and the lock housing is equipped with charging end Mouthful, the charging port and the rechargeable battery are electrically connected.