CN212428354U

CN212428354U - Back locking device of intelligence fingerprint lock

Info

Publication number: CN212428354U
Application number: CN202020700331.7U
Authority: CN
Inventors: 袁斯龙
Original assignee: Nanchang Bojiasi Intelligent Technology Co ltd
Current assignee: Nanchang Bojiasi Intelligent Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses an anti-locking device of an intelligent fingerprint lock, which comprises square steel, a rotary wrench, a rotary clamping seat, a fixed plate and a telescopic limiting block; by adding the locking mechanism on the rotary wrench of the back locking device, when the rotary wrench is positioned at the locking position, the telescopic limiting block clamps the rotary clamping seat, the rotary wrench cannot rotate, the rotary wrench rotates to the unlocking position after being pulled out, the telescopic limiting block is ejected out for unlocking, and the rotary wrench can rotate to back lock the door; the utility model discloses simple structure, the stable performance can prevent effectively that children or pet from being in mistake anti-lock entrance door.

Description

Back locking device of intelligence fingerprint lock

Technical Field

The utility model relates to an intelligence fingerprint lock field specifically is an anti-locking device of intelligence fingerprint lock.

Background

The back locking mode of the intelligent fingerprint lock can be divided into a mechanical type and an electronic type, the mechanical back locking is realized by a rotary wrench in a manual rotating door, and the electronic type is that a back locking button is arranged on an inner door handle, and the back locking can be realized only by pressing or pushing the back locking button; however, the existing locking mode is too simple no matter in a mechanical mode or an electronic mode, so that children or pets are easy to mistakenly touch a rotary wrench or a locking key at home to cause that the children or the pets can lock the home by themselves, and adults can not open the door by using the key from the outside of the door after returning.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a counter-locking device of an intelligent fingerprint lock, which adopts the technical scheme that the counter-locking device comprises square steel and a rotary wrench, wherein the square steel is driven by the rotary wrench to further drive a counter-locking mechanism in the lock body, the rotary wrench is provided with a grab handle, the left side circumference is provided with a bulge, the center is connected with a rotary clamping seat through a telescopic mechanism, the rotary clamping seat is cylindrical and is rotationally connected with the rotary wrench, the right side surface of the rotary clamping seat is provided with a locking groove corresponding to the bulge of the rotary wrench and an unlocking groove corresponding to the bulge after the rotary wrench rotates, and the unlocking groove penetrates through the rotary clamping seat; the left side of the rotary clamping seat is connected with square steel, the square steel penetrates through the fixed plate and is rotatably connected with the fixed plate, the fixed plate is fixed on the lock body, a telescopic limiting block corresponding to the unlocking groove of the rotary clamping seat is installed on the right side of the fixed plate, and a movable block which can stretch into the unlocking groove is connected with the telescopic limiting block through a spring.

As a preferred technical scheme of the utility model, the main body of the rotary wrench is cylindrical, the cylindrical main body is arranged in a square groove of an Contraband-shaped grab handle, and the transverse sections at the two ends of the grab handle extend leftwards to form a bulge; the longitudinal section of the rotary spanner grab handle is square.

As a preferred technical scheme of the utility model, rotatory cassette right flank has and rotates the groove with rotatory spanner assorted, the locking groove of rotatory cassette all respectively has relative two with the groove of separating the lock, has 90 degrees contained angles each other, and the shape is the same, and annular distribution, and the locking groove is the same with the rotation groove degree of depth, and the bottom surface all levels mutually with rotatory cassette inner bottom surface, and rotatory cassette right flank center has the inner core that corresponds with rotatory spanner's cylinder main part medial surface.

As a preferred technical scheme of the utility model, the movable block longitudinal section of flexible stopper is the same with the protruding longitudinal section of rotatory spanner grab handle.

As the utility model discloses a preferred technical scheme, telescopic machanism includes canned paragraph and movable section, canned paragraph fixed mounting is in rotatory cassette right side center department, and the movable section passes through the bearing and connects rotatory spanner, has extension spring between canned paragraph and the movable section.

As an optimal technical scheme of the utility model, the fixed plate is circular, links to each other through the bearing between square steel and the fixed plate, the bearing is the square hole bearing.

The utility model has the advantages that: the utility model adds a locking mechanism on the rotary wrench of the back locking device, when the rotary wrench is positioned at the locking position, the telescopic limiting block blocks the rotary clamping seat, the rotary wrench can not rotate, the rotary wrench rotates to the unlocking position after being pulled out, the telescopic limiting block is ejected out for unlocking, and the rotary wrench can rotate to back lock the door; the utility model discloses simple structure, the stable performance can prevent effectively that children or pet from being in mistake anti-lock entrance door.

Drawings

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

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a first diagram illustrating a structure of the rotary clamping seat of the present invention;

FIG. 4 is a second diagram illustrating a structure of the rotary clamping seat of the present invention;

fig. 5 is a schematic view of the structure of the rotary wrench of the present invention.

In the figure: the device comprises 1-square steel, 2-rotary wrench, 3-rotary clamping seat, 301-rotary groove, 302-inner core, 303-locking groove, 304-unlocking groove, 4-fixing plate, 5-telescopic limiting block, 501-spring, 502-movable block, 503-bearing, 6-telescopic mechanism, 601-fixing section, 602-extension spring and 603-movable section.

Detailed Description

Example 1

As shown in fig. 1 to 5, the utility model discloses an anti-locking device of intelligent fingerprint lock, the technical scheme of adoption is, including square steel 1, rotary wrench 2, square steel 1 is driven by rotary wrench 2, and then drives the internal anti-locking mechanism of lock, rotary wrench 2 is last to have a grab handle, and the left side circumference has the arch, and the center passes through telescopic machanism 6 to be connected with rotary cassette 3, rotary cassette 3 is cylindrical, is connected with rotary wrench 2 rotation, rotary cassette 3 right side has the locking groove 303 that corresponds with rotary wrench 2's arch and the unlocking groove 304 that corresponds with the arch after rotary wrench 2 rotates, unlocking groove 304 runs through rotary cassette 3; the left side of the rotary clamping seat 3 is connected with square steel 1, the square steel 1 penetrates through a fixed plate 4 and is rotatably connected with the fixed plate 4, the fixed plate 4 is fixed on the lock body, a telescopic limiting block 5 corresponding to the unlocking groove 304 of the rotary clamping seat 3 is installed on the right side of the fixed plate, and a movable block 502 which can stretch into the unlocking groove 304 is connected in the telescopic limiting block 5 through a spring 501.

As a preferred technical scheme of the utility model, the main body of the rotary wrench 2 is cylindrical, the cylindrical main body is installed in a square groove of an Contraband-shaped grab handle, and the transverse sections at the two ends of the grab handle extend leftwards to form a bulge; the longitudinal section of the grab handle of the rotary wrench 2 is square.

As an optimal technical scheme of the utility model, 3 right flanks of rotatory cassette have with rotatory spanner 2 assorted rotation groove 301, locking groove 303 and the unlocking groove 304 of rotatory cassette 3 all respectively have relative two, have 90 degrees contained angles each other, and the shape is the same, and annular distributes, and locking groove 303 is the same with the rotation groove 301 degree of depth, and the bottom surface all levels mutually with rotatory cassette 3 inner bottom surface, and rotatory cassette 3 right flank center has the inner core 302 that corresponds with rotatory spanner 2's cylinder main part medial surface.

As an optimized technical scheme of the utility model, the movable block 502 longitudinal section of flexible stopper 5 is the same with the protruding longitudinal section of 2 grab handles of rotary wrench.

As an optimal technical scheme of the utility model, telescopic machanism 6 includes canned paragraph 601 and activity section 603, canned paragraph 601 fixed mounting is in 3 right sides center departments of rotatory cassette, and activity section 603 passes through the bearing and connects rotatory spanner 2, has extension spring 602 between canned paragraph 601 and the activity section 603.

As an optimal technical scheme of the utility model, fixed plate 4 is circular, links to each other through bearing 503 between square steel 1 and the fixed plate 4, bearing 503 is the square hole bearing.

The utility model discloses a theory of operation: when an adult leaves home, the rotary wrench 2 can be rotated to a locking position, the handle of the rotary wrench 2 is in a horizontal direction at the moment, the protrusion on the handle is positioned in the locking groove 303 of the rotary clamping seat 3, the movable block 502 of the telescopic limiting block 5 is positioned in the unlocking groove 304, when the rotary wrench 2 is rotated, the rotary wrench 2 applies thrust in a tangential direction to the rotary clamping seat 3, but the rotary clamping seat 3 cannot rotate due to the blocking of the movable block 502 of the telescopic limiting block 5 which is arranged on the lock body through the fixing plate 4, so that locking is realized; when the door needs to be locked reversely, only the handle of the rotary wrench 2 needs to be held to pull out the rotating groove 301 of the rotary clamping seat 3, in the pulling-out process, the telescopic mechanism 6 between the rotary wrench 2 and the rotary clamping seat 3 extends, the extension spring 602 between the fixed section 601 and the movable section 603 is extended, the rotary wrench 2 and the telescopic mechanism 6 rotate relatively due to shaft connection, when the handle bulge of the rotary wrench 2 is opposite to the unlocking groove 304 of the rotary clamping seat 3, the finger gradually removes the pulling force acting on the rotary wrench 2, the rotary wrench 2 enters the rotating groove 301 of the rotary clamping seat 3 again under the action of the extension spring 2, the inner core 302 is sleeved by the rotary wrench 2, at the moment, the handle bulge of the rotary wrench 2 pushes out the movable block 502 of the telescopic limiting block 5 in the unlocking groove 304 leftwards, the telescopic limiting block 5 contracts, the movable block 502 compresses the spring 501, rotatory rotary wrench 2 this moment, because no longer have blockking of flexible stopper 5, rotary wrench 2 can drive rotatory cassette 3 and rotate, thereby it realizes the lock body and lock back to drive the rotation that square steel 1 takes place relatively fixed plate 4 under bearing 503's effect, when removing the lock back, turn back rotary wrench 2, flexible stopper 5 aligns unlocking groove 304 once more this moment, pull out rotary wrench 2 from rotating groove 301, along with rotary wrench 2 leaves unlocking groove 304, ejecting movable block 502 of flexible stopper 5 under spring 501's effect, rotary wrench 2 is rotatory to just locking groove 303 after pulling out, send rotary wrench 2 into rotating groove 301 once more, rotatory cassette 3 gets into the locking state once more.

The mechanical connection according to the present invention is a conventional means used by those skilled in the art, and can be suggested by limited tests, which is common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides an anti-locking device of intelligence fingerprint lock, includes square steel (1), rotatory spanner (2), square steel (1) is driven by rotatory spanner (2), and then drives the internal anti-locking mechanism of lock, its characterized in that: the rotary wrench (2) is provided with a grab handle, the circumference of the left side of the rotary wrench is provided with a bulge, the center of the rotary wrench is connected with the rotary clamping seat (3) through a telescopic mechanism (6), the rotary clamping seat (3) is cylindrical and is rotationally connected with the rotary wrench (2), the right side surface of the rotary clamping seat (3) is provided with a locking groove (303) corresponding to the bulge of the rotary wrench (2) and an unlocking groove (304) corresponding to the bulge after the rotary wrench (2) rotates, and the unlocking groove (304) penetrates through the rotary clamping seat (3); the square steel (1) is connected on the left side of the rotary clamping seat (3), the square steel (1) penetrates through the fixed plate (4) and is connected with the fixed plate (4) in a rotating mode, the fixed plate (4) is fixed on the lock body, the telescopic limiting block (5) corresponding to the unlocking groove (304) of the rotary clamping seat (3) is installed on the right side, and the movable block (502) capable of extending into the unlocking groove (304) is connected through the spring (501) in the telescopic limiting block (5).

2. The anti-lock device of an intelligent fingerprint lock according to claim 1, characterized in that: the main body of the rotary wrench (2) is cylindrical, the cylindrical main body is arranged in a square groove of an Contraband-shaped grab handle, and transverse sections at two ends of the grab handle extend leftwards to form a protrusion; the longitudinal section of the grab handle of the rotary wrench (2) is square.

3. The anti-lock device of an intelligent fingerprint lock according to claim 2, characterized in that: rotatory cassette (3) right flank has and rotates groove (301) with rotatory spanner (2) assorted, locking groove (303) and the unlocking groove (304) of rotatory cassette (3) all respectively have relative two, have 90 degrees contained angles each other, and the shape is the same, and the annular distributes, and locking groove (303) are the same with rotation groove (301) degree of depth, and the bottom surface all levels mutually with rotatory cassette (3) inner bottom surface, and rotatory cassette (3) right flank center has inner core (302) that corresponds with the cylinder main part medial surface of rotatory spanner (2).

4. The anti-lock device of an intelligent fingerprint lock according to claim 2, characterized in that: the longitudinal section of the movable block (502) of the telescopic limiting block (5) is the same as the longitudinal section of the protrusion of the grab handle of the rotary wrench (2).

5. The anti-lock device of an intelligent fingerprint lock according to claim 1, characterized in that: the telescopic mechanism (6) comprises a fixed section (601) and a movable section (603), the fixed section (601) is fixedly installed at the center of the right side of the rotary clamping seat (3), the movable section (603) is connected with the rotary wrench (2) through a bearing, and an extension spring (602) is arranged between the fixed section (601) and the movable section (603).

6. The anti-lock device of an intelligent fingerprint lock according to claim 1, characterized in that: the fixing plate (4) is circular, the square steel (1) is connected with the fixing plate (4) through a bearing (503), and the bearing (503) is a square hole bearing.