CN202117432U

CN202117432U - Finger print lock with key lock

Info

Publication number: CN202117432U
Application number: CN2011201841519U
Authority: CN
Inventors: 姚海平
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-02
Filing date: 2011-06-02
Publication date: 2012-01-18
Anticipated expiration: 2021-06-02

Abstract

The utility model discloses a finger print lock with a key lock, which is installed on board surfaces of a drawer, a cabinet or a safe cabinet and comprises an unlocking knob, a circuit board, a button, a finger print outer casing, a fixing device, a base, a lock head and a lock latch component. Compared with an existing product, the finger print lock with the key lock has the advantages of enabling a finger print identification and key unlocking device to be minimized, being capable of being applied to nearly all drawers and cabinets, utilizing an special unlocking structure of a finger print processor chip and lower-power-consumption design and greatly prolonging service life of the battery.

Description

A kind of Fingerprint Lock with key lock

Technical field

The utility model relates to field of lockset, relates in particular to the Fingerprint Lock of the band key lock of occasions uses such as a kind of drawer, cabinet, safety cabinet.

Background technology

Fingerprint has obtained application more and more widely as user's authentication authority of a kind of high reliability, high convenience.

Fingerprint recognition has optical finger print identification and two kinds of methods of semiconductor fingerprint identification:

1. the read head of optical finger print identification looks like a luminous sheet glass, presses finger on sheet glass during operation.Advantage is that easy to operate, technology maturation, discrimination are high, false recognition rate is low, has been widely used in gate control system; Also there is the shortcoming that volume is big, power consumption is high in it but simultaneously.

2. the sensor of semiconductor fingerprint identification is a bar shaped chip, streaks chip to finger during operation.Advantage is that volume is little, power consumption is lower, is mainly used in the subscription authentication of electronic products such as notebook computer at present; Its major defect is to operate complicacy a little.In addition; Existing semiconductor fingerprint identification mostly is used to have superior performance CPU or application processor (Application Processor; Hereinafter to be referred as AP) electronic product; Carry out the computing of fingerprint authentication with CPU or AP, thereby be not suitable for the application scenario of drawer, this CPU of not having of cabinet and AP.

The existing Fingerprint Lock that is used for occasions such as drawer, cabinet, safety cabinet all adopts optical finger print identification, but it has shortcomings such as volume is big, ergonomics is relatively poor.

Summary of the invention

The purpose of the utility model is to overcome the defective of prior art and provides a kind of Fingerprint Lock with key lock, this Fingerprint Lock to be exclusively used in occasions such as drawer, cabinet, safety cabinet, has the advantages that volume is little, ergonomics is good.

The purpose of the utility model is achieved in that a kind of Fingerprint Lock with key lock of the utility model; Be installed on the plate face of drawer, cabinet or safety cabinet; Said Fingerprint Lock comprises Unlocking knob, circuit board, button, fingerprint head shell, fastening devices, base, tapered end and latch member, wherein:

The center of the rear end face of said Unlocking knob is fixed with one can rotate the rotating shaft of rotating with Unlocking knob;

Said circuit board is provided with fingerprint sensor and press button, and pad is provided with a button on the said press button;

Said fingerprint head shell is provided with fingerprint groove and the button hole that is complementary respectively with said fingerprint sensor and button, and said circuit board is fixed in the said fingerprint head shell through said fastening devices, and said fingerprint head shell is embedded in the said Unlocking knob;

In the front of said plate face, this base is respectively equipped with mechanical lockhole and fingerprint lockhole up and down to said base through bolt;

Said tapered end comprises the tapered end outer ring, places lock core and shift fork in this tapered end outer ring, and said shift fork is fixed in the rear end of said lock core, and with its coaxial rotation, said tapered end passes said mechanical lockhole;

Said latch member is passed through bolt in the back side of said plate face corresponding to said position base.

The Fingerprint Lock of above-mentioned band key lock, wherein, said latch member comprises the battery case of base plate, circuit board, shell, the cylinder of unblanking, lock bolt, the electric control lock with dead bolt, STATEMENT OF FEDERALLY SPONSORED, back-moving spring and internal battery, wherein:

In the back side of said plate face, said base plate is provided with first through hole and second through hole and a chute that is complementary with said mechanical lockhole and fingerprint lockhole to said base plate through bolt, and said chute top is provided with a block;

Said circuit board passes through bolt on said base plate;

Said shell is placed on the said base plate, and through bolt, has a battery case window and a latch hole on the said shell;

The said cylinder of unblanking is perpendicular to said base plate and between said base plate and shell, and an end of the said cylinder of unblanking is fixedly connected with the rotating shaft of said Unlocking knob, and a side of the said cylinder of unblanking is provided with draw-in groove;

Said lock bolt is provided with a through hole, and said lock bolt places the outside of said shell, and said lock bolt is fixedly connected with the other end of the said cylinder of unblanking through the bolt that passes said through hole and latch hole successively;

Said electric control lock places between said base plate and the shell, and the front end of its dead bolt is arranged in the said draw-in groove;

The main body of said STATEMENT OF FEDERALLY SPONSORED places in the chute on the said base plate, and the one of which end is fixedly connected with the rear end of said dead bolt, and its other end rotates with the shift fork of said tapered end and contacts;

Said back-moving spring is located between the block on said STATEMENT OF FEDERALLY SPONSORED and the said base plate;

Said battery case is located in the battery case window of said shell.

The Fingerprint Lock of the utility model band key lock is compared with existing product and is had the following advantages:

1) fingerprint recognition and key unlocking device are minimized, can be applied to nearly all drawer and cabinet;

2) adopt the special-purpose fingerprint processor chip and the structure of unblanking of low power dissipation design, prolonged battery application life greatly.

Description of drawings

Fig. 1 is one of positive exploded view of the Fingerprint Lock of the utility model band key lock;

Fig. 2 is two of the positive exploded view of the Fingerprint Lock of the utility model band key lock;

The exploded view at the Fingerprint Lock back side of Fig. 3 the utility model band key lock;

The front view of Fig. 4 the utility model band key lock.

The specific embodiment

To combine accompanying drawing that the utility model is described further below.

See also Fig. 1 to Fig. 4; The Fingerprint Lock of the utility model band key lock has been shown among the figure; This Fingerprint Lock is installed on the plate face 3 of drawer, cabinet or safety cabinet, comprises Unlocking knob 15, circuit board 13, button 12, fingerprint head shell 11, fastening devices 14, base 17, tapered end 16 and latch member.

The center of the rear end face of Unlocking knob 15 is fixed with one can rotate the rotating shaft 151 of rotating with Unlocking knob 15;

Circuit board 13 is provided with fingerprint sensor 131 and press button 132, and pad is provided with button 12 on the press button 132;

Fingerprint head shell 11 is provided with the fingerprint groove 112 and button hole 111 that is complementary respectively with fingerprint sensor 131 and button 12, and circuit board 13 is fixed in the fingerprint head shell 11 through fastening devices 14, and fingerprint head shell 11 is embedded in the Unlocking knob 15;

In the front of plate face 3, this base 17 is respectively equipped with mechanical lockhole 171 and fingerprint lockhole 172 up and down to base 17 through bolt;

Tapered end 16 comprises the tapered end outer ring, places lock core and shift fork 161 in this tapered end outer ring, and shift fork 161 is fixed in the rear end of lock core, and with its coaxial rotation, tapered end 16 passes mechanical lockhole 171;

Latch member is passed through bolt in the back side of plate face 3 corresponding to the position of base 17.

Latch member comprises the battery case 26 and the lid 27 of base plate 22, circuit board 23, shell 25, the cylinder 21 of unblanking, lock bolt 28, the electric control lock 24 with dead bolt 241, STATEMENT OF FEDERALLY SPONSORED 242, back-moving spring 243, an opening, wherein:

In the back side of plate face 3, base plate 22 is provided with first through hole 221 and second through hole 222 and a chute 223 that is complementary with mechanical lockhole 71 and fingerprint lockhole 172 to base plate 22 through bolt, and chute 223 tops are provided with a block 224;

Circuit board 23 passes through bolt on base plate 22;

Shell 25 is placed on the base plate 22, and through bolt, has a battery case window 251 and latch hole 252 on the shell 25;

Unblank cylinder 21 perpendicular to base plate 22 and between base plate 22 and shell 25, and an end of the cylinder 21 of unblanking is fixedly connected with the rotating shaft 151 of Unlocking knob 15, and a side of the cylinder 21 of unblanking is provided with draw-in groove 211;

Lock bolt 28 is provided with a through hole, and lock bolt 28 places the outside of shell 25, and lock bolt 28 is fixedly connected through the other end of the bolt 281 that passes through hole and latch hole 252 successively and the cylinder 21 of unblanking; Electric control lock 24 places between base plate 22 and the shell 25, and the front end of its dead bolt 241 is arranged in the draw-in groove 211, and this electric control lock 24 can be controlled through electromagnetism, motor or other modes;

The structure of the dead bolt 241 and the cylinder 21 of unblanking possibly be latch, hasp or other structures, and its common feature is through changing the angle and the position of dead bolt 241, can forbidding or the rotation of cylinder 21 that allows to unblank.

The main body of STATEMENT OF FEDERALLY SPONSORED 242 places in the chute 223 on the base plate 22, and the one of which end is fixedly connected with the rear end of dead bolt 241, and its other end rotates with the shift fork 161 of tapered end 16 and contacts;

Back-moving spring 243 is located between the block 224 on STATEMENT OF FEDERALLY SPONSORED 242 and the base plate 22;

Battery case 26 be located in the battery case window 251 of shell 25 and opening surface outwardly, lid 27 is placed on the opening surface of battery case 26, can place common batteries or rechargeable battery in the battery case 26.

Operating principle: when unblanking, finger contacts earlier and presses the button 12, Open from This Side the power supply of Fingerprint Lock; Finger slips over fingerprint sensor 131 then, and fingerprint sensor 131 is gathered finger print information and the fingerprint processor that information is sent on the circuit board 13 is compared, if information is checked correctly; Then fingerprint processor is sent the microprocessor instruct to the circuit board 13, and then microprocessor opens electric control lock 24, promptly makes the dead bolt 241 that is arranged in cylinder 21 draw-in grooves 211 of unblanking originally from draw-in groove, extract out; This moment, the cylinder 21 of unblanking was in released state; Free to rotate, clockwise rotate Unlocking knob 15, the rotating shaft 151 through its rear end drives the cylinder 21 of unblanking and together rotates; The cylinder 21 of unblanking drives lock bolt 28 rotations that are fixedly connected with it more together, has promptly accomplished the process of unblanking.

If Fingerprint Lock then can be launched mechanical lock when there be not electricity, key is inserted in the lock core of tapered end 16 key; The shift fork 161 that lock core drives its rear end rotates together, and shift fork 161 touches the upper end of STATEMENT OF FEDERALLY SPONSORED 242 in rotation process, it has been applied a power of turning left; STATEMENT OF FEDERALLY SPONSORED 242 passes to dead bolt 241 with this power; The dead bolt 241 that originally is arranged in cylinder 21 draw-in grooves 211 of unblanking is extracted out from draw-in groove, and the cylinder 21 of unblanking this moment is in released state, and is free to rotate; Clockwise rotate Unlocking knob 15; Rotating shaft 151 through its rear end drives the cylinder 21 of unblanking and together rotate, and the cylinder 21 of unblanking drives the lock bolt 28 that is fixedly connected with it more together and rotates, and has promptly accomplished the process of unblanking.

Above embodiment only supplies to explain the usefulness of the utility model; But not to the restriction of the utility model; The technician in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to the category of the utility model, should be limited each claim.

Claims

1. the Fingerprint Lock with key lock is installed on the plate face of drawer, cabinet or safety cabinet, it is characterized in that, said Fingerprint Lock comprises Unlocking knob, circuit board, button, fingerprint head shell, fastening devices, base, tapered end and latch member, wherein:

2. the Fingerprint Lock of band key lock as claimed in claim 1 is characterized in that, said latch member comprises the battery case of base plate, circuit board, shell, the cylinder of unblanking, lock bolt, the electric control lock with dead bolt, STATEMENT OF FEDERALLY SPONSORED, back-moving spring and internal battery, wherein:

Said circuit board passes through bolt on said base plate;

Said battery case is located in the battery case window of said shell.