CN211201446U

CN211201446U - Oblique tongue in-place detection device of electronic lock

Info

Publication number: CN211201446U
Application number: CN201921583869.8U
Authority: CN
Inventors: 沈汉标; 王妙玉; 童威云; 黄安川; 黄克洲; 夏亮
Original assignee: Guangdong Ketyoo Intelligent Technology Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-08-07
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses an oblique tongue of electronic lock detection device that targets in place, include: the end part of the latch bolt penetrates through the baffle plate, an elastic part is arranged between the latch bolt and the baffle plate, and the elastic part is elastically deformed when the latch bolt correspondingly penetrates through the lock hole so as to retract into the lock body or automatically eject out of the lock body; one end of the latch bolt shifting piece close to the latch bolt extends outwards to form an abutting part which abuts between the end part of the latch bolt and the baffle; the driving mechanism is linked with one end of the latch bolt shifting piece, which is far away from the latch bolt, and the driving mechanism drives the latch bolt shifting piece to rotate by taking the rotating shaft as an axis so as to realize synchronous movement of the abutting part and the latch bolt; the signal input end of the main controller is connected with an induction assembly, and the induction assembly correspondingly senses and identifies the rotating position of the latch bolt shifting piece and feeds the rotating position back to the main controller so as to identify whether the latch bolt is in a state of being completely retracted into the lock body. The utility model discloses can accurately know whether the latch bolt is in the state of retracting the lock body completely, reduce the probability that the striking takes place for latch bolt and door frame.

Description

Oblique tongue in-place detection device of electronic lock

Technical Field

The utility model relates to an electronic lock field especially relates to an oblique tongue of electronic lock detection device that targets in place.

Background

At present, the electronic anti-theft lock is widely applied to various occasions due to high safety performance; after the user identity authentication is successful, the existing electronic anti-theft lock automatically drives mechanical components in the lock body to move in a matched mode, and therefore unlocking and locking actions are completed.

The conventional lock body structure is provided with the latch bolt, the flexible degree of the latch bolt in the existing lock body is high, and the latch bolt can be automatically retracted into the lock body when a user opens the door even if the latch bolt is not completely retracted into the lock body in the door opening process, so that the door opening action can be realized as well; however, the latch bolt pushes the door body when not completely retracted into the lock body, so that strong impact occurs between the latch bolt and the door frame, and the latch bolt is extruded and retracted into the lock body after impact, which causes serious abrasion to the latch bolt, causes easy damage to the latch bolt, and reduces the overall service life of the lock body.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an oblique tongue of electronic lock detection device that targets in place can accurately learn whether the oblique tongue is in the state that retracts the lock body completely to reduce the probability that the striking takes place for oblique tongue and door frame, thereby improve oblique tongue life.

The purpose of the utility model is realized by adopting the following technical scheme:

a latch bolt in-place detection device of an electronic lock comprises:

the lock body is provided with a lock hole, an inclined bolt and a baffle fixed on the lock body are arranged in the lock body, the end part of the inclined bolt penetrates through the baffle, an elastic part is arranged between the inclined bolt and the baffle, and the elastic part is elastically deformed when the inclined bolt correspondingly penetrates through the lock hole so as to realize that the inclined bolt retracts into the lock body or automatically pops out of the lock body;

the rotary shifting piece comprises a rotating shaft fixed on the lock body and a latch bolt shifting piece sleeved outside the rotating shaft, one end of the latch bolt shifting piece, which is close to the latch bolt, extends outwards to form an abutting part, and the abutting part abuts between the end part of the latch bolt and the baffle;

the driving mechanism is arranged in the lock body and is linked with one end of the latch bolt shifting piece, which is far away from the latch bolt, and the driving mechanism drives the latch bolt shifting piece to rotate by taking the rotating shaft as an axis so as to realize synchronous movement of the abutting part and the latch bolt;

the signal input end of the main controller is connected with an induction assembly, the induction assembly correspondingly senses and identifies the rotating position of the latch bolt shifting piece and feeds back a corresponding signal to the main controller so as to identify whether the latch bolt is in a state of completely retracting the lock body.

Furthermore, a notch is arranged on one outer side of the end part of the abutting connection part abutting against the latch bolt.

Further, when the latch bolt is in a complete ejection state, one long edge of the abutting part is parallel to the baffle plate; when the latch bolt is in a state of being completely retracted into the lock body, the notch is contacted with the end part of the latch bolt.

Furthermore, a shielding piece extends outwards from the latch lifting piece, and the sensing assembly is arranged on a moving path of the shielding piece.

Furthermore, the shielding piece is located below the horizontal central line of the latch bolt shifting piece, the sensing assembly is located on the vertical central line of the latch bolt shifting piece, and when the latch bolt is in a state of being completely retracted into the lock body, the shielding piece moves to a sensing area of the sensing assembly and triggers the sensing assembly.

Furthermore, the sensing assembly is arranged as a photoelectric switch, and the end part of the shielding piece is bent downwards, so that the shielding piece is rotationally cut into or cut out of a sensing area of the photoelectric switch when the latch bolt shifting piece rotates.

Furthermore, one end of the latch tongue shifting piece, which is far away from the latch tongue, extends outwards to form a connecting part hinged with the driving mechanism, and the connecting part are respectively positioned on two sides of the vertical central line of the latch tongue shifting piece.

Furthermore, the driving mechanism comprises a lock cylinder, a shifting tongue and a push rod, wherein the shifting tongue and the push rod synchronously rotate with the lock cylinder; the lock comprises a lock body, a lock core, a lock tongue and a push rod, wherein the lock body is provided with a lock core, the lock core is provided with a lock tongue, the lock body is provided with a lock tongue, the lock tongue is provided with a connecting part, the lock tongue is provided with a lock tongue driving piece, the lock tongue driving piece is provided with a lock tongue driving piece, the lock tongue driving.

Furthermore, the driving mechanism also comprises a motor electrically connected with the main controller, a gear assembly linked with the motor and a gear base engaged with the gear assembly, and the gear base is clamped with the shifting tongue; when the main controller receives the triggering instruction, the main controller controls the motor to drive the gear assembly and the gear base to synchronously rotate and drives the shifting tongue to rotate so as to shift the push rod.

Furthermore, the driving mechanism further comprises an induction tongue assembly which is in signal communication with the main controller, and when the electronic lock is in a door closing state, the induction tongue assembly is extruded, and then a trigger instruction is sent to the main controller.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the driving mechanism drives the oblique bolt to retract into the lock body, and the sensing assembly detects whether the oblique bolt is in a state of completely retracting into the lock body, so that the accurate degree of automatic control of the electronic lock is improved, the situation that the oblique bolt is strongly impacted with the door frame is reduced, and the effect of protecting the oblique bolt is achieved.

Drawings

FIG. 1 is a schematic structural view of the latch bolt popping out of the lock body;

FIG. 2 is a schematic view of the structure of the lock body with the oblique bolt retracted;

fig. 3 is a schematic view of the split structure of the shifting tongue and the gear base of the present invention.

In the figure: 1. a lock body; 2. a latch bolt; 3. an elastic member; 4. a baffle plate; 5. an inductive tongue assembly; 6. a latch-tongue poking piece; 7. an abutting portion; 8. a notch; 9. a joining section; 10. a rotating shaft; 11. a shielding sheet; 12. an inductive component; 13. a push rod; 14. a pin shaft; 15. a strip-shaped hole; 16. shifting blocks; 17. pulling the tongue; 1701. a limiting block; 18. a lock cylinder; 19. a gear base; 1901. an idle travel stop; 20. a gear assembly; 21. an electric motor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

A latch bolt in-place detection device of an electronic lock comprises:

the lock body 1 is provided with three lock holes in the embodiment, and the three lock holes are used for accommodating an oblique bolt 2, a main bolt and an induction bolt respectively; two lock grooves are formed in the door frame, the two lock grooves correspond to the latch bolt 2 and the main lock bolt respectively, the position, corresponding to the sensing bolt, of the door frame is not provided with the lock grooves, so that the sensing bolt is always in a squeezed state when the door is closed, the sensing bolt cannot be ejected, and the latch bolt 2 automatically ejects into the corresponding lock groove after being compressed for a short time in the door closing process.

As shown in fig. 1 and 2, the latch bolt 2 can be automatically ejected through an elastic member 3, the latch bolt 2 and a baffle 4 fixed on the lock body 1 are installed in the lock body 1, an end of the latch bolt 2 penetrates through the baffle 4, the elastic member 3 is arranged between the latch bolt 2 and the baffle 4, when the latch bolt 2 is closed, the elastic member 3 is elastically deformed through short-time compression, and when the latch bolt 2 is in place at the lock groove, the latch bolt 2 is extended without external force, so that the latch bolt 2 is automatically ejected and can be inserted into the corresponding lock groove.

The lock body is characterized in that an induction component 12 is arranged on a moving path of the induction tongue, the induction tongue and the induction component 12 corresponding to the induction tongue form an induction tongue component 5, the induction component 12 corresponding to the induction tongue is connected with a signal input end of a main controller in the lock body 1, the end part of the induction tongue triggers the induction component 12 when the induction tongue is compressed into the lock body 1, when the induction tongue is identified to be in a state of retracting into the lock body 1 by the induction component 12, the lock body 1 is in a door closing state, at the moment, the induction component 12 can send a trigger instruction to the main controller, and a driving mechanism in the lock body 1 is controlled to start to move.

The driving mechanism is electrically connected with the main controller and is responsible for driving the latch bolt 2 to retract into the lock body 1 after receiving a triggering instruction. The driving mechanism comprises a motor 21, a gear assembly 20, a shifting tongue 17 and a gear base 19, in the embodiment, the gear assembly 20 comprises a plurality of mutually meshed auxiliary gears, and the motor 21 arranged in the lock body 1 drives the auxiliary gears to synchronously rotate; the outer surface of the gear base 19 is provided with tooth grooves, the gear base 19 is meshed with the assisting gear through the tooth grooves, the shifting tongue 17 is clamped on the gear base 19, and the shifting tongue 17 can be driven to rotate in different rotating directions by the driving of the motor 21.

The shifting tongue 17 is sleeved outside the lock cylinder 18, the shifting tongue 17 and the lock cylinder 18 synchronously rotate, and the shifting tongue 17 can be driven to rotate after a mechanical key is inserted into a key hole of the lock cylinder 18; because the mechanical key is inserted into the key hole of the lock cylinder 18 and then rotates, the auxiliary gear is necessarily driven to move, the condition that the gear resistance is too large and the key cannot be rotated occurs, and in order to avoid the condition, a section of idle stroke is arranged between the gear base 19 and the shifting tongue 17, so that the gear base 19 can be reset.

As shown in fig. 3, an idle travel stop 1901 is arranged on the gear base 19, a limit block 1701 is correspondingly arranged at the bottom of the shift tongue 17, and when the shift tongue 17 is clamped into the gear base 19, the limit block 1701 of the shift tongue 17 can move outside the idle travel stop 1901, so that a section of idle travel is formed between the gear base 19 and the shift tongue 17, and the gear base 19 can be reversely reset under the condition that the shift tongue 17 is not moved, so that the resistance to rotating the key is reduced; the included angle of the contact surface of idle running stroke stop 1901 and stopper 1701 and contacting determines the size of idle running, and another effect of idle running stroke is its specific stroke angle, and after the spring bolt stretched out and locked, gear base 19 resets for stopper 1701 and idle running stroke stop 1901 contact, motor 21 once the drive can be with power transmission to dialling tongue 17 and unblank, need not to idle for a period of stroke increase and wait to unblank the time.

A push rod 13 is assembled on the lock body 1, a pin shaft 14 is fixed on the lock body 1, a strip-shaped hole 15 is formed in one end part of the push rod 13, the push rod 13 is in sliding connection with the pin shaft 14 fixed on the lock body 1 through the strip-shaped hole 15, and the sliding distance of the push rod 13 is related to the length of the strip-shaped hole 15 of the push rod 13; the other end of the push rod 13 is linked with the rotary stirring piece; and a shifting block 16 extends outwards from one end of the push rod 13 close to the shifting tongue 17, and when the shifting tongue 17 rotates, the shifting block 16 is shifted, so that the push rod 13 is driven to move in the horizontal direction, and the rotary shifting piece is further driven to rotate.

The rotary shifting piece comprises a rotating shaft 10 fixed on the lock body 1 and an inclined tongue shifting piece 6 sleeved outside the rotating shaft 10, the inclined tongue shifting piece 6 rotates by taking the rotating shaft 10 as an axis, one end, far away from the inclined tongue 2, of the inclined tongue shifting piece 6 extends outwards to form a connecting part 9 hinged with a push rod 13, one end, near the inclined tongue 2, of the inclined tongue shifting piece 6 extends outwards to form a butting part 7, and the butting part 7 butts against between the end part of the inclined tongue 2 and the baffle 4; the connecting part 9 and the abutting part 7 are respectively positioned at two sides of the vertical central line of the latch bolt shifting piece 6, so that the stressed rotation of the latch bolt shifting piece 6 and the force of abutting against the latch bolt 2 are relatively balanced.

When the latch bolt shifting piece 6 rotates clockwise under the thrust of the push rod 13, the abutting part 7 drives the latch bolt 2 to press downwards, so that the latch bolt 2 finishes the action of retracting into the lock body 1; when the pushing force of the push rod 13 to the latch bolt shifting piece 6 disappears, the abutting force of the abutting part 7 to the latch bolt 2 disappears, and the latch bolt 2 can be ejected out of the lock body 1 through the elastic deformation recovery of the elastic part 3 on the latch bolt 2.

In order to enable the abutting action of the abutting part 7 and the end part of the latch bolt 2 to be more coordinated when the latch bolt shifting piece 6 rotates, a notch 8 is arranged on one outer side of the abutting part 7 abutting the end part of the latch bolt 2, when the latch bolt 2 is in a complete ejecting state, one long side of the abutting part 7 is parallel to the baffle 4, and the long sides of the two sides of the abutting part 7 are respectively contacted with the baffle 4 and the end part of the latch bolt 2; when the oblique bolt 2 is in a state of being completely retracted into the lock body 1, the notch 8 is contacted with the end part of the oblique bolt 2; make the latch bolt 2 in the process of pushing down, the contact surface of butt portion 7 and latch bolt 2 tip converts into breach 8 by the long limit of butt portion 7 gradually for whole butt process is more smooth, improves the stability of latch bolt 2 control.

In order to detect the moving position of the latch bolt 2, an induction component 12 for inducing and identifying the rotating position of the latch bolt shifting piece 6 is correspondingly arranged in the lock body 1, the induction component 12 is connected with the signal input end of the main controller, the induction component 12 can be set to be one of a mechanical switch, an ultrasonic distance sensor, a photoelectric switch or a magnetic control sensor, and the installation position of the induction component 12 in the lock body 1 is determined according to the type of the induction component 12. In this embodiment, the sensing component 12 is provided with a photoelectric switch, the photoelectric switch is arranged on the moving path of the shielding piece 11, the shielding piece 11 extends outwards from the latch tongue shifting piece 6, the end of the shielding piece 11 bends downwards, and the shielding piece 11 can be cut into or cut out of the sensing area of the photoelectric switch in a rotating manner, so that the main controller can know the moving position of the latch tongue 2.

In this embodiment, the shielding plate 11 is located below the horizontal center line of the latch bolt shifting piece 6, the sensing component 12 is located on the vertical center line of the latch bolt shifting piece 6, when the latch bolt 2 is in a state of being fully retracted into the lock body 1, the shielding plate 11 moves to a sensing area of the sensing component 12 and triggers the sensing component 12, the sensing component 12 correspondingly senses and identifies the in-place information of the latch bolt shifting piece 6 and feeds back a corresponding signal to the master controller to identify whether the latch bolt 2 is in a state of being fully retracted into the lock body 1, the master controller controls the main bolt in the lock body 1 to pop out after the latch bolt 2 is fully retracted into the lock body 1, and the door locking action is completed, or an indicator light or other prompting tool connected with the master controller informs a user of the door opening executable action, so as to prevent the latch bolt 2 from being forcibly opened by the user when the latch bolt 2 is not fully retracted into the lock body 1, and causing strong impact to the door frame, causing wear to the latch tongue 2. The means for urging the main bolt to eject is known in the art and will not be described in detail.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A latch bolt in-place detection device of an electronic lock is characterized by comprising:

2. The device of claim 1, wherein an outer side of the abutting portion abutting against the end of the latch bolt is provided with a notch.

3. The device for detecting the proper position of the latch bolt of an electronic lock according to claim 2, wherein when the latch bolt is in the fully ejected state, a long side of the abutting portion is parallel to the blocking plate; when the latch bolt is in a state of being completely retracted into the lock body, the notch is contacted with the end part of the latch bolt.

4. The device for detecting the proper positioning of the latch bolt of the electronic lock as claimed in claim 1, wherein a shielding plate extends outwards from the latch bolt shifting piece, and the sensing assembly is disposed on a moving path of the shielding plate.

5. The device for detecting the in-place of the latch bolt of the electronic lock as claimed in claim 4, wherein the shielding plate is located below a horizontal center line of the latch bolt shifting piece, the sensing assembly is located on a vertical center line of the latch bolt shifting piece, and when the latch bolt is in a state of being completely retracted into the lock body, the shielding plate moves to a sensing area of the sensing assembly and triggers the sensing assembly.

6. The device for detecting the proper positioning of the latch bolt of an electronic lock as claimed in claim 5, wherein the sensing assembly is configured as a photoelectric switch, and the end of the shielding plate is bent downwards, so that the shielding plate can be rotationally cut into or out of the sensing area of the photoelectric switch when the latch bolt shifting piece rotates.

7. The latch bolt in-place detection device of the electronic lock according to claim 1, wherein an engaging portion hinged to the driving mechanism extends outwards from an end of the latch bolt moving piece away from the latch bolt, and the engaging portion and the abutting portion are respectively located on two sides of a vertical center line of the latch bolt moving piece.

8. The device for detecting the in-place of the latch bolt of the electronic lock as claimed in claim 1, wherein the driving mechanism comprises a lock cylinder, a shifting bolt and a push rod, the shifting bolt and the push rod rotate synchronously with the lock cylinder; the lock comprises a lock body, a lock core, a lock tongue and a push rod, wherein the lock body is provided with a lock core, the lock core is provided with a lock tongue, the lock body is provided with a lock tongue, the lock tongue is provided with a connecting part, the lock tongue is provided with a lock tongue driving piece, the lock tongue driving piece is provided with a lock tongue driving piece, the lock tongue driving.

9. The device for detecting the in-place of the latch bolt of the electronic lock as claimed in claim 8, wherein the driving mechanism further comprises a motor electrically connected with the main controller, a gear assembly linked with the motor and a gear base engaged with the gear assembly, wherein the gear base is clamped with the shifting bolt; when the main controller receives the triggering instruction, the main controller controls the motor to drive the gear assembly and the gear base to synchronously rotate and drives the shifting tongue to rotate so as to shift the push rod.

10. The device of claim 9, wherein the actuating mechanism further comprises a sensing tongue assembly in signal communication with the master controller, wherein when the electronic lock is in the door-closed state, the sensing tongue assembly is squeezed to send a trigger command to the master controller.