CN113638648B

CN113638648B - Fingerprint lock

Info

Publication number: CN113638648B
Application number: CN202111004012.8A
Authority: CN
Inventors: 王平涛
Original assignee: Zhejiang Fuan Lock Industry Co ltd
Current assignee: Zhejiang Fuan Lock Industry Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2041-08-30
Also published as: CN113638648A

Abstract

The invention discloses a fingerprint lock which comprises a handle, a fingerprint module, an underframe, a scraping and sweeping mechanism and a protection mechanism, wherein the scraping and sweeping mechanism is arranged on the underframe and is positioned above the fingerprint module, the protection mechanism is matched with the scraping and sweeping mechanism and is positioned between the scraping and sweeping mechanism and the fingerprint module, a finger scrapes and sweeps the surface of the finger after pressing the scraping and sweeping mechanism, and the protection mechanism is opened after the finger is pressed to contact the fingerprint module to unlock the fingerprint. When the people has the attachment on hand, can scrape automatically to the attachment and sweep, and after scraping and sweeping, raise the guard plate, make the guard plate act as rainwater shielding piece for the people reduces the rainwater to the influence of fingerprint module discernment fingerprint when unblanking, thereby makes the fingerprint lock of opening that the people can be more convenient, thereby promotes the fingerprint identification degree of fingerprint lock, promotes the market competition of fingerprint lock.

Description

Fingerprint lock

Technical Field

The invention relates to the technical field of fingerprint locks, in particular to a fingerprint lock.

Background

There are various tool to lock among the prior art, the fingerprint lock is wherein comparatively advanced tool to lock, but uses the fingerprint lock under the wet condition when the staff, and the wrong phenomenon of discernment often can appear, especially when rainy day, can be stained with the rainwater very easily on the people's finger, when unblanking, the rainwater more can directly fall on the fingerprint module of fingerprint lock, leads to fingerprint lock discernment mistake like this more easily to can't open the door.

Disclosure of Invention

The invention provides a fingerprint lock aiming at the defects in the prior art.

In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a fingerprint lock, includes hand (hold), fingerprint module and chassis, scrapes and sweeps mechanism and protection machanism, scrape sweep the mechanism setting on the chassis, and be located the fingerprint module top, protection machanism with scrape sweep the mechanism cooperation setting, and be located and scrape sweep between mechanism and the fingerprint module, the finger is scraping the finger surface and is sweeping after pressing to scrape sweep the mechanism, opens protection machanism again after the completion, makes it contact with the fingerprint module, carries out the fingerprint unblock.

The beneficial effects are that, can be when unblanking, clean and rise the shielding piece to the finger automatically, shelter from the rainwater.

In the above scheme, it is preferred, the chassis includes the sloping bottom plate, scrape sweep the mechanism and include first carriage, second carriage, scrape sweep board, first stay cord and first gyro wheel, first carriage slides and sets up on the sloping bottom plate, the second carriage slides and sets up on first carriage, scrape sweep the board and slide and set up on the second carriage, first gyro wheel rotates and sets up on first carriage, first stay cord one end sets up and sweeps on the board scraping, and the other end is connected on the second carriage after first gyro wheel.

The finger cleaning device has the advantages that when a finger presses the pressing touch plate, the finger cleaning device can drive the scraping and sweeping plate to scrape and sweep the surface of the finger, attachments on the surface of the finger are removed, and the finger can automatically return to the initial position after leaving the pressing touch plate.

In the above scheme, preferably, the first sliding frame includes a first upper top plate, a first guide pillar, a roller mounting plate and a ball screw, the second guide pillar and the ball screw are respectively disposed on two sides of the first upper top plate, the roller mounting plate is disposed on the first upper top plate, the first roller is rotatably disposed on the roller mounting plate, the third elastic member is sleeved on the first guide pillar, two ends of the third elastic member are abutted to the first upper top plate and the inclined bottom plate, a wire sleeve roller is further rotatably disposed on the inclined bottom plate, the wire sleeve roller is disposed in cooperation with the ball screw, and the ball screw slides up and down to drive the wire sleeve roller to rotate left and right.

The screw sleeve rolling wheel has the beneficial effect that the screw sleeve rolling wheel can be driven to rotate when being pressed downwards.

In the above scheme, it is preferred, protection machanism includes guard plate, leading truck, sliding pin and fourth elastic component, the leading truck sets up on the inclined bottom plate, the slip pinhole has been seted up on the guard plate, second spout and direction spout have been seted up on the leading truck, the guard plate slides and sets up in the direction spout on the leading truck, the sliding pin slides and sets up in the sliding pin hole of guard plate, and its lower extreme slides and sets up in the second spout of leading truck, the fourth elastic component sets up in the second spout, and both ends top touches on the bottom plate of second spout and on the sliding pin, the sliding pin can drive the guard plate and slide in the direction spout.

Its beneficial effect lies in, and the pulling sliding pin slides in the second sliding tray, can drive the guard plate and rise to shelter from fingerprint module, prevent that rainwater or other materials from interfering fingerprint module discernment fingerprint.

In the above scheme, preferably, the protection mechanism further includes a second roller and a second pull rope, the second roller is rotatably disposed on the inclined bottom plate and is located on the same plane as the thread sleeve roller, one end of the second pull rope is disposed on the thread sleeve roller, and the other end of the second pull rope is disposed on the sliding pin through the second roller.

The protection plate lifting device has the beneficial effects that the screw sleeve idler wheel rotates to drive the sliding pin to slide, so that the protection plate is lifted.

In the above aspect, preferably, the elastic strength of the third elastic member is greater than the elastic strength of the second elastic member.

Its beneficial effect lies in, when the pressure touch panel receives pressure, the second carriage slides downwards earlier, slides to the limit after, drives first carriage lapse again to the realization is scraped on finger surface earlier and is swept, raises the guard plate again, makes when scraping and sweeping the finger, and it scrapes the material of sweeping and can not have the whole interception of guard plate, and the fingerprint module is touched to the portion, after scraping and sweeping the completion, raises the guard plate again, makes people's finger and fingerprint module contact, carries out the unblock.

In the above scheme, preferably, the sliding pin is provided with an upper limit plate and a lower limit plate, and the upper limit and the lower limit are arranged on the second sliding groove.

The sliding pin has the beneficial effects that the sliding pin can only slide back and forth on the second sliding groove, and the vertical position deviation cannot occur.

In the above aspect, preferably, the scraping and sweeping plate is provided with a cutting edge made of a soft elastic material, the cutting edge is attached to the pressing plate, and the scraping and sweeping plate is provided with a left-right limit, so that the left-right limit is arranged in the first chute hole.

The scraping and sweeping plate has the beneficial effects that the scraping and sweeping plate can be well attached to the surface of a finger to scrape and sweep the finger.

The invention has the beneficial effects that: the invention provides a fingerprint lock convenient for fingerprint identification, which can automatically scrape and sweep an attachment when the attachment is on a hand of a person, and after the scraping and sweeping are finished, a protection plate is lifted to serve as a rainwater shielding piece, so that the influence of rainwater on fingerprint identification of a fingerprint module is reduced when the person unlocks, the person can open the fingerprint lock more conveniently, the fingerprint identification degree of the fingerprint lock is improved, and the market competitiveness of the fingerprint lock is improved.

Drawings

FIG. 1 is a schematic view of the present invention.

FIG. 2 is a schematic view of the sweeping mechanism and the protection mechanism according to the present invention.

FIG. 3 is a side view of the sweeping mechanism and the shielding mechanism according to the present invention.

Fig. 4 is a cross-sectional view of the present invention.

FIG. 5 is a schematic view of a portion of the structure of the present invention.

FIG. 6 is a schematic view of a squeegee blade of the invention.

Fig. 7 is a schematic view of a slide pin according to the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: with reference to figures 1-7 of the drawings,

a fingerprint lock comprises a handle 1, a fingerprint module 2, a bottom frame 3, a scraping and sweeping mechanism 4 and a protection mechanism 5, wherein the bottom frame 3 comprises an inclined bottom plate 31, a thread sleeve roller 32 and a sliding sleeve 33, the thread sleeve roller 32 is rotatably arranged on the inclined bottom plate 31, the sliding sleeve 33 is arranged on the inclined bottom plate 31, the scraping and sweeping mechanism 4 comprises a first sliding frame 41, a second sliding frame 42, a scraping and sweeping plate 43, a first pull rope 44, a first roller 45, a first elastic member 46, a second elastic member 47 and a third elastic member 48, the first sliding frame 41 comprises a first upper top plate 411, a first guide pillar 412, a roller mounting plate 413 and a ball screw 414, the first guide pillar 412 and the ball screw 414 are respectively arranged at two sides of the first upper top plate 411, the roller mounting plate 413 is arranged on the first upper top plate 411, the ball screw 414 is arranged on the thread sleeve roller 32 in a matching manner, the first guide pillar 412 is arranged in the sliding sleeve 33 in a sliding manner, the third elastic element 48 is slidably disposed on the first guide post 412, and two ends of the third elastic element respectively contact the first upper top plate 411 and the sliding sleeve 33.

When the first sliding frame 41 slides downwards under pressure, the wire sleeve roller 32 can be driven to rotate clockwise, and when the pressure disappears, the wire sleeve roller 32 is driven to rotate anticlockwise by rising upwards under the action of the third elastic element 48.

The second sliding frame 42 includes a second guide post 421 and a pressing plate 422, the second guide post 421 is disposed on the pressing plate 422, and one is disposed on the left and right sides, the second sliding frame 42 is slidably disposed on the first upper top plate 411 on the first sliding frame 41 through two sets of second guide posts 421, a limiting member is disposed at the bottom of the second guide post 421 to limit the upward displacement of the second guide post, a second elastic member 47 is sleeved on the second guide post 421, two ends of the second elastic member 47 respectively abut against the upper plane of the first upper top plate 411 and the bottom surface of the pressing plate 422, and the elastic strength of the third elastic member 48 is greater than that of the second elastic member 47.

When the second sliding frame 42 is under pressure, because the elastic strength of the third elastic member 48 is greater than the elastic strength of the second elastic member 47, when the second sliding frame 42 is under pressure, the second sliding frame 42 slides downward to compress the second elastic member 47, and when the second elastic member 47 is compressed to a closed loop, the pressure is transmitted to the first sliding frame 41, so that the first sliding frame 41 slides downward to compress the third elastic member 48, and drives the wire looping roller 32 to rotate clockwise while sliding downward.

The fingerprint scraping hole 423 and the first sliding groove hole 424 are formed in the pressing plate 422, the first sliding groove hole 424 is formed in the side face of the fingerprint scraping hole 423, a cutting edge made of soft elastic materials is arranged on the scraping plate 43 and attached to the pressing plate 422, left and right limiting positions are arranged on the scraping plate 43, the left and right limiting positions are arranged in the first sliding groove hole 424 in a sliding mode, the first roller 45 is rotatably arranged on the roller mounting plate 413 on the first sliding frame 41, one end of the first pulling rope 44 is arranged on the scraping plate 43, the other end of the first pulling rope 44 passes through the first roller 45 and then is connected to the pressing plate 422 on the second sliding frame 42, the first elastic piece 46 is sleeved on the first pulling rope 44 and displaces in the first sliding groove hole 424, and two ends of the first elastic piece are in abutting contact with one end of the scraping plate 43 and one end of the first sliding groove hole 424.

When the second sliding frame 42 is pressed to slide downwards, the second sliding frame and the first sliding frame 41 are displaced relatively, so that the displacement of the first roller 45 is not changed, the pressing plate 422 slides downwards relative to the first roller 45, the height of a point in the middle of the first pulling rope 44 is not changed due to the fact that the first pulling rope passes through the first roller 45, the scraping and sweeping plate 43 is pulled to slide along the first sliding slot 424, when the scraping and sweeping plate 43 is displaced to the lowest end, the second elastic piece 47 is compressed to be parallel, the relative movement of the first sliding frame 41 and the second sliding frame 42 is stopped, the first sliding frame 41 and the second sliding frame 42 are integrally and downwards slid together, and in the process that the scraping and sweeping plate 43 slides along the first sliding slot 424, the finger surface pressed on the pressing plate is scraped once by the edge on the scraping and sweeping plate 43, and water stains or other attachments are scraped completely.

The protection mechanism 5 comprises a protection plate 51, a guide frame 52, a second roller 53, a sliding pin 54, a fourth elastic piece 55 and a second pull rope 56, the guide frame 52 is arranged on the inclined bottom plate 31, the guide frame 52 is provided with a second sliding chute 521 and a guide sliding chute 522, the protection plate 51 is arranged in the guide sliding chute 522 on the guide frame 52 in a sliding manner and can slide along the guide sliding chute 522 when the protection plate 51 is pushed, the tail end of the protection plate 51 is provided with a derivative plate, the derivative plate is provided with a sliding pin hole 511, the diameter of the sliding pin hole 511 is larger than that of the sliding pin 54, the sliding pin 54 is arranged in the sliding pin hole 511 in a sliding manner, the lower end of the sliding pin is arranged on the second sliding chute 521 in a sliding manner, and the position where the sliding pin 54 is matched with the second sliding chute 521 is provided with an upper limit and a lower limit so that the up and down movement of the sliding pin 521 is limited and can only slide along the second sliding chute 521, the fourth elastic element 55 is disposed in the second sliding chute 521, and two ends of the fourth elastic element are abutted against the bottom plate of the second sliding chute 521 and the sliding pin 54, the bottom end of the sliding pin 54 is further connected with one end of a second pull rope 56, and the other end of the second pull rope 56 bypasses the second roller 53 rotatably disposed on the inclined bottom plate 31 and is connected to the wire sleeve roller 32.

Wherein the silk braid gyro wheel 32 rotates, winds tight second stay cord 56, makes second stay cord 56 length shorten to pulling sliding pin 54 upwards slides along second spout 521, and then drives guard plate 51 and upwards rises, makes the fingerprint module 2 of guard plate 51 below show out, and the back that upwards slides, is located fingerprint module's top, shelters from the rainwater of whereabouts for fingerprint module.

The working principle or the using method is as follows:

when the fingerprint lock needs to be unlocked, a finger of a person presses the pressure touch plate 422, and the elastic strength of the third elastic piece 48 is greater than that of the second elastic piece 47, so that when the second sliding frame 42 is pressed, the second sliding frame 42 slides downwards to compress the second elastic piece 47, when the second elastic piece 47 is compressed to be parallel, the pressure is transmitted to the first sliding frame 41, the first sliding frame 41 slides downwards to compress the third elastic piece 48, and the first sliding frame 41 drives the wire sleeve wheel roller 32 to rotate clockwise while sliding downwards.

Therefore, when a finger presses the pressure contact plate 422, the finger presses the pressure contact plate 422 downwards, so that the pressure contact plate 422 slides downwards, thereby compressing the second elastic member 47, so that the second sliding rack 42 and the first sliding rack 41 are displaced relatively,

the pressing plate 422 slides downward relative to the first roller 45, since the first pulling rope 44 passes through the first roller 45, the height of a point in the middle of the first pulling rope 44 is not changed, the total length of the first pulling rope 44 is changed, the position of the point in the middle of the first pulling rope 44 is not changed, when the two ends of the first pulling rope slide downward, the movable end of the first pulling rope 44 slides backward, the scraping and sweeping plate 43 is pulled to slide along the first sliding slot hole 424, when the scraping and sweeping plate 43 is displaced to the lowest end, the second elastic member 47 is compressed to form a loop, the relative movement of the first sliding frame 41 and the second sliding frame 42 is stopped, the first sliding frame 41 and the second sliding frame 424 slide downward together, and in the process that the scraping and sweeping plate 43 slides along the first sliding slot hole 424, the finger surface pressed on the pressing plate is scraped once by the blade edge on the scraping and sweeping plate 43, and water stains or other attachments are scraped completely.

And on second carriage 42 pressure contact first carriage 41, when driving first carriage 41 and sliding down together, first carriage 41 slides down, ball screw 414 on it rolls 32 cooperation with the silk braid wheel, when ball screw 414 slides down, drive the silk braid gyro wheel and take place clockwise rotation, thereby wind tight second stay cord 56, make second stay cord 56 length shorten, thereby pulling sliding pin 54 upwards slides along second spout 521, and then drive guard plate 51 and upwards rise, make the fingerprint module 2 of guard plate 51 below reveal out, and after upwards sliding, be located fingerprint module's top, shelter from the rainwater of whereabouts for fingerprint module.

When the guard plate 51 rises completely, the fingerprint module 2 of its below appears out completely, and people's finger just can contact fingerprint module 2 this moment, and the attachment on people's finger surface has been scraped clean this moment, and guard plate 51 rises upwards, is located fingerprint module 2's top, for it shelters from the rainwater, makes the rainwater can not fall on fingerprint module 2.

Finally, when a clean finger is touched on the fingerprint module 2, the fingerprint module 2 recognizes the fingerprint, thereby unlocking the fingerprint lock, and then the finger of the person leaves the pressure touch plate 422, the first sliding frame 41 is lifted upwards under the action of the third elastic member 48, and the wire-sleeve roller 32 is driven to rotate anticlockwise, so that the second pull rope 56 is loosened, the sliding pin 54 is restored to the initial state under the action of the self-gravity of the protection plate 51 and the fourth elastic member, the second sliding frame 42 is lifted upwards under the action of the second elastic member 47, and is restored to the initial position, and at this time, the pulling force on the scraping and sweeping plate 43 disappears, and the sliding pin slides upwards under the action of the first elastic member 46, and is restored to the initial position.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a fingerprint lock, includes hand (1), fingerprint module (2) and chassis (3), its characterized in that: the fingerprint unlocking device is characterized by further comprising a scraping and sweeping mechanism (4) and a protection mechanism (5), wherein the scraping and sweeping mechanism (4) is arranged on the bottom frame (3) and located above the fingerprint module, the protection mechanism (5) is arranged in a matched mode with the scraping and sweeping mechanism (4) and located between the scraping and sweeping mechanism (4) and the fingerprint module (2), fingers scrape and sweep the surfaces of the fingers after pressing the scraping and sweeping mechanism (4), the protection mechanism (5) is opened after the finger is pressed, and the finger contacts the fingerprint module (2) to unlock fingerprints;

the bottom frame (3) comprises an inclined bottom plate (31), the scraping and sweeping mechanism (4) comprises a first sliding frame (41), a second sliding frame (42), a scraping and sweeping plate (43), a first pull rope (44) and a first roller (45), the first sliding frame (41) is arranged on the inclined bottom plate (31) in a sliding mode, the second sliding frame (42) is arranged on the first sliding frame (41) in a sliding mode, the scraping and sweeping plate (43) is arranged on the second sliding frame (42) in a sliding mode, the first roller (45) is arranged on the first sliding frame (41) in a rotating mode, one end of the first pull rope (44) is arranged on the scraping and sweeping plate, and the other end of the first pull rope (44) is connected to the second sliding frame (42) after passing through the first roller (45);

the protection mechanism (5) comprises a protection plate (51), a guide frame (52), a sliding pin (54) and a fourth elastic piece (55), the guide frame (52) is arranged on the inclined bottom plate (31), the protection plate (51) is provided with a sliding pin hole (511), the guide frame (52) is provided with a second sliding chute (521) and a guide sliding chute (522), the protection plate (51) is arranged in a guide sliding groove (522) on the guide frame (52) in a sliding way, the sliding pin (54) is arranged in the sliding pin hole (511) of the protection plate (51) in a sliding way, the lower end of the second elastic piece is arranged in a second sliding chute (521) of the guide frame (52) in a sliding way, the fourth elastic piece (55) is arranged in the second sliding chute (521), and both ends are pressed against the bottom plate of the second chute (521) and the sliding pin (54), the sliding pin (54) can drive the protection plate (51) to slide in the guide sliding chute (522) in a sliding mode;

the sweeping mechanism (4) further comprises a first elastic member (46), a second elastic member (47) and a third elastic member (48), the second sliding frame (42) comprises a second guide post (421) and a pressing plate (422), the second guide post (421) is arranged on the pressing plate (422), a fingerprint scraping hole (423) and a first sliding groove hole (424) are arranged on the pressing plate (422), the first sliding slot hole (424) is vertical to the fingerprint scraping hole (423), the scraping and sweeping plate (43) is arranged in the first sliding slot hole (424) in a sliding way, the first elastic element (46) is sleeved on the first pull rope (44) and moves in the first sliding slot hole (424), the two ends of the elastic piece are pressed against one end of the scraping and sweeping plate (43) and one end of the first sliding slot hole (424), the second elastic piece (47) is sleeved on the second guide post (421), the two ends of the first sliding frame are pressed against the upper plane of the first sliding frame (41) and the bottom surface of the pressing plate (422);

the first sliding frame (41) comprises a first upper top plate (411), a first guide post (412), a roller mounting plate (413) and a ball screw (414), the second guide post (412) and the ball screw (414) are respectively arranged on two sides of the first upper top plate (411), the roller mounting plate (413) is arranged on the first upper top plate (411), the first roller (45) is rotatably arranged on the roller mounting plate (413), the third elastic piece (48) is sleeved on the first guide post (412), two ends of the third elastic piece are abutted to the first upper top plate (411) and the inclined bottom plate (31), a wire sleeve roller (32) is further rotatably arranged on the inclined bottom plate (31), the wire sleeve roller (32) is matched with the ball screw (414), and the ball screw (414) slides up and down to drive the wire sleeve roller (32) to rotate left and right;

the protection mechanism (5) further comprises a second roller (53) and a second pull rope (56), the second roller (53) is rotatably arranged on the inclined bottom plate (31) and is positioned on the same plane with the wire sleeve roller (32), one end of the second pull rope (56) is arranged on the wire sleeve roller (32), and the other end of the second pull rope is arranged on the sliding pin (54) through the second roller (53).

2. The fingerprint lock of claim 1, wherein: the third elastic member (48) has an elastic strength greater than that of the second elastic member (47).

3. The fingerprint lock of claim 1, wherein: the sliding pin (54) is provided with an upper limit plate and a lower limit plate, and the upper limit and the lower limit of the sliding pin are arranged on the second sliding chute (521).

4. The fingerprint lock of claim 1, wherein: the scraping and sweeping plate (43) is provided with a blade edge made of soft elastic materials, the blade edge is attached to the pressing plate (422), and the scraping and sweeping plate (43) is provided with a left limit and a right limit, so that the left limit and the right limit are arranged in the first sliding groove hole (424).