CN217538232U

CN217538232U - Electric door lock

Info

Publication number: CN217538232U
Application number: CN202220167709.0U
Authority: CN
Inventors: 么建来; 董爱国; 李岩; 孟小锋; 刘浩; 蔺庆鹏
Original assignee: Baoding Jiayu Software Technology Co ltd
Current assignee: Baoding Jiayu Software Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-10-04
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses an electric door lock, which comprises a shell arranged in a door, wherein a locking mechanism and a mechanical unlocking mechanism are arranged in the shell, the mechanical unlocking mechanism is fixedly connected with an inner side handle of the door, and the locking mechanism is arranged corresponding to the mechanical unlocking mechanism; locking mechanism includes two set bars of sliding connection in the casing, two set bars parallel arrangement, and two set bar one end all runs through the casing lateral wall and stretches out the casing, the equal fixedly connected with of the other end of two set bars receives the piece, the cross-section that receives the piece is right trapezoid, install extrusion mechanism in the casing, extrusion mechanism is located two and receives between the piece, and with two piece butts that receive, the cover is equipped with first spring on the set bar, the one end and the shells inner wall fixed connection of first spring, the other end of spring and the middle part fixed connection of set bar.

Description

Electric door lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to an electric door lock.

Background

The electronic lock is mainly applied to devices such as safe boxes and security doors which need to be protected by security technology. Electronic locks usually use an electromagnet to drive the corresponding action execution element, and the electromagnet is attracted after the password is correctly input. When the door is opened, the controller receives a corresponding door opening signal and controls the electromagnet to move in the forward direction, so that the action execution element is driven, and then the door lock can be manually opened. When the door is closed, the controller receives a corresponding door closing signal and controls the electromagnet to reversely act, so that the action executing element is driven, and then the door lock can be manually closed.

The existing electronic door lock has the disadvantages of complex structure, large integral volume and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric door lock to solve the problem that above-mentioned prior art exists.

In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides an electric door lock, which comprises a shell arranged in a door, wherein a locking mechanism and a mechanical unlocking mechanism are arranged in the shell, the mechanical unlocking mechanism is fixedly connected with an inner side handle of the door, and the locking mechanism is arranged corresponding to the mechanical unlocking mechanism;

locking mechanism includes sliding connection and is in two set bars in the casing, two set bar parallel arrangement, and two set bar one end all runs through casing lateral wall stretches out the casing, two the equal fixedly connected with of the other end of set bar receives the piece, the cross-section that receives the piece is right trapezoid, install extrusion mechanism in the casing, extrusion mechanism is located two receive between the piece, and with two receive the piece butt, the cover is equipped with first spring on the set bar, the one end of first spring with shells inner wall fixed connection, the other end of spring with the middle part fixed connection of set bar.

Preferably, the extrusion mechanism includes fixed connection and is in two fixed blocks in the casing, two the fixed block all is located two receive between the piece, two vertical through-hole has all been seted up on the fixed block, the axis collineation of vertical through-hole, sliding connection has the connecting rod in the vertical through-hole, the both ends difference fixedly connected with first extrusion piece and second extrusion piece of connecting rod, first extrusion piece with the cross-sectional shape of second extrusion piece is right trapezoid, two the inclined plane of first extrusion piece respectively with two receive the inclined plane butt of piece, two the second extrusion piece sets up relatively, two be provided with the interval between the second extrusion piece, install extrusion portion in the casing, two the second extrusion piece all with extrusion portion butt.

Preferably, the extrusion portion includes fixed connection and is in electric telescopic handle in the casing, fixedly connected with installation piece in the casing, the mounting hole has been seted up on the installation piece, sliding connection has the sliding sleeve in the mounting hole, sliding sleeve one end fixedly connected with butt piece, butt piece is the setting of four pyramid platform types, electric telescopic handle's output with the butt of the sliding sleeve other end, sliding sleeve outer wall cover is equipped with the second spring, the one end of second spring with installation piece fixed connection, the other end of second spring with butt piece fixed connection.

Preferably, the mechanical unlocking mechanism comprises two arc plates fixedly connected to the inner wall of the sliding sleeve and close to one end of the abutting block, the two arc plates are symmetrically arranged about the axis of the sliding sleeve, a gap is formed between the two arc plates, a clamping block is fixedly connected to the outer wall of the output end of the electric telescopic handle and is matched with the gap, one side of the electric telescopic handle, far away from the clamping block, is arranged in the gap of the inner wall of the sliding sleeve, the abutting block is far away from a first rotating shaft fixedly connected to one end of the sliding sleeve, a first bevel gear is fixedly connected to the first rotating shaft, a second rotating shaft is connected to the inner side of the shell in a rotating mode, a second bevel gear is fixedly connected to the second rotating shaft and is meshed with the first bevel gear, the second rotating shaft is fixedly connected with the handle on the inner side of the door, and a sensor is installed at the output end of the electric telescopic handle.

Preferably, the sensor is a force sensor.

Preferably, install stand-by power supply in the casing, stand-by power supply with electric telescopic handle electric connection, the last voltage alarm of installing of stand-by power supply.

Preferably, the shell is fixedly connected with a limiting plate, the limiting plate is provided with two sliding holes, the axes of the two sliding holes are arranged in parallel, and the two lock bolts are respectively connected in the two sliding holes in a sliding manner.

The utility model discloses a following technological effect: the utility model discloses when locking the door, through two compression pieces of extrusion mechanism extrusion, drive two set bars through two in the lock hole that stretches out casing to door frame to the realization is to the locking effect of door, and when needs were opened, extrusion mechanism withdrawed, drives the set bar and withdraws to the casing under the effect of first spring, can open the door, sets up the inboard handle fixed connection's of AND gate mechanical unlocking mechanism simultaneously, and convenient to use person opens the door from the room.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a sectional view of a front view of an electric door lock according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic structural view of the sliding sleeve of the present invention.

The device comprises a shell body-1, a lock bolt-2, a pressure receiving block-3, a first spring-4, a fixing block-5, a connecting rod-6, a first extruding block-7, a second extruding block-8, an electric telescopic rod-9, an installing block-10, a sliding sleeve-11, a butting block-12, a second spring-13, an arc-shaped plate-14, a gap-15, a clamping block-16, a first rotating shaft-17, a first bevel gear-18, a second rotating shaft-19, a second bevel gear-20, a stress sensor-21, a standby power supply-22, a voltage alarm-23 and a limiting plate-24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides an electric door lock, which comprises a shell 1 arranged in a door, wherein a locking mechanism and a mechanical unlocking mechanism are arranged in the shell 1, the mechanical unlocking mechanism is fixedly connected with an inner side handle of the door, and the locking mechanism is arranged corresponding to the mechanical unlocking mechanism;

locking mechanism includes two set bars 2 of sliding connection in

casing

1, 2 parallel arrangement of two set bars, and 2 one ends of two set bars all run through 1 lateral wall of casing and stretch out casing 1, the equal fixedly connected with of the other end of two set bars 2 receives piece 3, the cross-section that receives piece 3 is right trapezoid, install extrusion mechanism in the casing 1, extrusion mechanism is located two and receives between the piece 3, and with two 3 butts of piece that receive, the cover is equipped with first spring 4 on the set bar 2, the one end and the 1 inner wall fixed connection of casing of first spring 4, the other end of spring and the middle part fixed connection of set bar 2.

The set bar 2 corresponds the setting with the lockhole on the door frame, when locking the door, press the mechanism extrusion two to receive piece 3, receive piece 3 through two and drive two set bars 2 and stretch out casing 1 to the lockhole on the door frame, thereby realize the locking effect to the door, when needs are opened, the extrusion mechanism withdraws, drive set bar 2 and retract in casing 1 under the effect of first spring 4, can open the door, set up the inboard handle fixed connection's of AND gate mechanical unlocking mechanism simultaneously, convenient to use person opens the door from the room.

Further, for two compression pieces 3 of extrusion, make set bar 2 stretch out, set up extrusion mechanism, extrusion mechanism includes two fixed blocks 5 of fixed connection in casing 1, two fixed blocks 5 all are located two compression pieces 3 between, vertical through-hole has all been seted up on two fixed blocks 5, the axis collineation of vertical through-hole, sliding connection has connecting rod 6 in the vertical through-hole, the both ends of connecting rod 6 are first extrusion piece 7 of fixedly connected with and second extrusion piece 8 respectively, first extrusion piece 7 is right trapezoid with the cross-sectional shape of second extrusion piece 8, the inclined plane of two first extrusion pieces 7 respectively with the inclined plane butt of two compression pieces 3, two second extrusion pieces 8 set up relatively, be provided with the interval between two second extrusion pieces 8, install the extrusion portion in the casing 1, two second extrusion pieces 8 all with the extrusion portion butt.

Extrude two second extrusion pieces 8 through extrusion portion, second extrusion piece 8 drives first extrusion piece 7 through connecting rod 6 and extrudees the piece 3 that receives to drive set bar 2 and stretch out casing 1. The extrusion mechanism is arranged to transmit extrusion action in a force transmission mode, so that the volume of the extrusion part is reduced.

Further, for extruding two second extrusion pieces 8, an extrusion part is arranged, the extrusion part comprises an electric telescopic rod 9 fixedly connected in a shell 1, a mounting block 10 fixedly connected in the shell 1 is provided, a mounting hole is formed in the mounting block 10, a sliding sleeve 11 is slidably connected in the mounting hole, a butting block 12 fixedly connected with one end of the sliding sleeve 11 is arranged, the butting block 12 is arranged in a quadrangular frustum shape, the output end of the electric telescopic rod 9 is butted with the other end of the sliding sleeve 11, a second spring 13 is sleeved on the outer wall of the sliding sleeve 11, one end of the second spring 13 is fixedly connected with the mounting block 10, and the other end of the second spring 13 is fixedly connected with the butting block 12.

Electric telescopic handle 9 drives sliding sleeve 11 and slides, and synchronous motion butt piece 12 slides, extrudees two second extrusion pieces 8 through butt piece 12, and when the lock need be opened, electric telescopic handle 9 withdraws, and under the effect of second spring 13, butt piece 12 recovers the normal position, and first spring 4 drives two set bars 2 and withdraws to in the casing 1.

Further, in order to open the door lock from inside, set up mechanical unlocking mechanism, mechanical unlocking mechanism includes two arcs 14 that fixed connection is close to butt joint piece 12 one end at sliding sleeve 11 inner wall, two arcs 14 set up in relation to the axis symmetry of sliding sleeve 11, be provided with clearance 15 between two arcs 14, the outer wall fixedly connected with fixture block 16 of the output of electric telescopic handle 9, fixture block 16 and clearance 15 looks adaptation, one side that electric telescopic handle 9 was kept away from to fixture block 16 sets up with sliding sleeve 11 inner wall clearance, butt joint piece 12 keeps away from the first pivot 17 of one end fixedly connected with of sliding sleeve 11, first bevel gear 18 of fixedly connected with on the first pivot 17, casing 1 internal rotation is connected with second pivot 19, fixedly connected with second bevel gear 20 on the second pivot 19, first bevel gear 18 meshes with second bevel gear 20, second pivot 19 and the inboard handle fixed connection of AND gate, the sensor is installed to electric telescopic handle 9's output.

The length of the arc plate 14 along the axis is less than half of the length of the shaft sleeve, the length of the fixture block 16 along the axis is equal to that of the arc plate 14, in an initial state, the fixture block 16 abuts against the arc plate 14, when the door lock needs to be opened from the inside, the second rotating shaft 19 is rotated through the door handle, the second rotating shaft 19 rotates to drive the second bevel gear 20 to rotate, the second bevel gear 20 drives the first bevel gear 18 meshed with the second bevel gear to rotate, the first bevel gear 18 rotates to enable the fixture block 16 to enter the gap 15 between the two arc plates 14, the abutting block 12 moves towards the direction close to the electric telescopic handle 9 under the action of the second spring 13, the pressed block 3 is not stressed any more, the door lock is opened under the action of the first spring 4, the sensor at the end of the electric telescopic handle 9 is not stressed any more and retracts towards the direction far away from the sliding sleeve 11, the sliding sleeve 11 recovers to the original shape after the door handle rotates, the electric telescopic handle 9 extends out again to push the sliding sleeve 11 to move through the fixture block 16, and the door lock is closed, and the sliding sleeve 11 moves

Further, the sensor is a force sensor 21.

Further, for avoiding the outage, install stand-by power supply 22 in the casing 1, stand-by power supply 22 and electric telescopic handle 9 electric connection install voltage alarm 23 on the stand-by power supply 22. After the power is on, the standby power supply 22 is charged, the standby power supply 22 is used for supplying power to the electric telescopic rod 9, the voltage of the standby power supply 22 is detected through the voltage alarm 23, and the voltage of the standby power supply 22 is ensured to be sufficient and stable.

Furthermore, a limiting plate 24 is fixedly connected in the shell 1, two sliding holes are formed in the limiting plate 24, the axes of the two sliding holes are arranged in parallel, and the two lock bolts 2 are respectively connected in the two sliding holes in a sliding manner.

The specific implementation process comprises the following steps: when the door is locked, the standby power supply 22 supplies power to enable the electric telescopic rod 9 to drive the sliding sleeve 11 to slide, the abutting blocks 12 are synchronously driven to slide, the two second extrusion blocks 8 are extruded through the abutting blocks 12, the second extrusion blocks 8 drive the first extrusion blocks 7 to extrude the compression blocks 3 through the connecting rods 6, so that the lock bolts 2 are driven to extend out of the shell 1 and be inserted into lock holes in a door frame, when the door lock needs to be unlocked from a room, the second rotating shaft 19 is rotated through the door handle, the second rotating shaft 19 is rotated to drive the second bevel gear 20 to rotate, the second bevel gear 20 drives the first bevel gear 18 meshed with the second bevel gear to rotate, the first bevel gear 18 rotates to enable the lock block 16 to enter a gap 15 between the two arc plates 14, thereby make the butt joint piece 12 to the direction removal that is close to electric telescopic handle 9 under the effect of second spring 13, two set bars 2 withdraw in casing 1 under the effect of first spring 4, open the lock, under the effect of electric telescopic handle 9 tip force sensor 21, electric telescopic handle 9 withdraws, after the door handle reconversion, fixture block 16 and arc 14 butt once more, can install the inductor (not embodied in the picture) in the lockhole of set bar 2 and door frame simultaneously, just after two inductors are right, show that the lock is closed, electric telescopic handle 9 promotes sliding sleeve 11 this moment, make set bar 2 insert in the lockhole of door frame, realize lock self-closing.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. An electric door lock comprises a shell (1) arranged in a door, and is characterized in that a locking mechanism and a mechanical unlocking mechanism are arranged in the shell (1), the mechanical unlocking mechanism is fixedly connected with an inner side handle of the door, and the locking mechanism is arranged corresponding to the mechanical unlocking mechanism;

locking mechanism includes sliding connection and is in two set bars (2), two in casing (1) set bar (2) parallel arrangement, and two set bar (2) one end all runs through casing (1) lateral wall stretches out casing (1), two the equal fixedly connected with of the other end of set bar (2) receives piece (3), the cross-section that receives piece (3) is right trapezoid, install extrusion mechanism in casing (1), extrusion mechanism is located two receive between piece (3), and with two receive piece (3) butt, the cover is equipped with first spring (4) on set bar (2), the one end of first spring (4) with casing (1) inner wall fixed connection, the other end of spring with the middle part fixed connection of set bar (2).

2. The electric door lock of claim 1, wherein: extrusion mechanism includes fixed connection and is in two fixed block (5) in casing (1), two fixed block (5) all are located two receive between piece (3), two vertical through-hole has all been seted up on fixed block (5), the axis collineation of vertical through-hole, sliding connection has connecting rod (6) in the vertical through-hole, the both ends difference fixedly connected with first extrusion piece (7) and second extrusion piece (8) of connecting rod (6), first extrusion piece (7) with the cross-sectional shape of second extrusion piece (8) is right trapezoid, two the inclined plane of first extrusion piece (7) respectively with two receive the inclined plane butt of piece (3), two second extrusion piece (8) sets up relatively, two be provided with the interval between second extrusion piece (8), install extrusion portion in casing (1), two second extrusion piece (8) all with extrusion portion butt.

3. An electric door lock according to claim 2, characterized in that: the extrusion portion comprises an electric telescopic rod (9) fixedly connected in the shell (1), a mounting block (10) fixedly connected in the shell (1), a mounting hole is formed in the mounting block (10), a sliding sleeve (11) is slidably connected in the mounting hole, a butting block (12) is fixedly connected to one end of the sliding sleeve (11), the butting block (12) is arranged in a quadrangular frustum shape, the output end of the electric telescopic rod (9) is abutted to the other end of the sliding sleeve (11), a second spring (13) is sleeved on the outer wall of the sliding sleeve (11), one end of the second spring (13) is fixedly connected with the mounting block (10), and the other end of the second spring (13) is fixedly connected with the butting block (12).

4. A power door lock according to claim 3, wherein: the mechanical unlocking mechanism comprises two arc plates (14) fixedly connected to the inner wall of a sliding sleeve (11) and close to one end of a butting block (12), two arc plates (14) are symmetrically arranged about the axis of the sliding sleeve (11), a gap (15) is formed between the arc plates (14), a clamping block (16) is fixedly connected to the outer wall of the output end of the electric telescopic rod (9), the clamping block (16) is matched with the gap (15), one side of the electric telescopic rod (9) is far away from the clamping block (16) and the gap of the inner wall of the sliding sleeve (11), the butting block (12) is far away from a first rotating shaft (17) fixedly connected to one end of the sliding sleeve (11), a first bevel gear (18) is fixedly connected to the first rotating shaft (17), a second rotating shaft (19) is rotatably connected to the shell (1), a second bevel gear (20) is fixedly connected to the second rotating shaft (19), the first bevel gear (18) is meshed with the second bevel gear (20), the inner side of the second rotating shaft (19) is fixedly connected to the output end of the electric telescopic rod (9), and a sensor is installed on the door.

5. An electric door lock according to claim 4, characterized in that: the sensor is a force sensor (21).

6. A power door lock according to claim 3, wherein: install stand-by power supply (22) in casing (1), stand-by power supply (22) with electric telescopic handle (9) electric connection, install voltage alarm (23) on stand-by power supply (22).

7. An electric door lock according to claim 1, characterized in that: the shell (1) is internally and fixedly connected with a limiting plate (24), the limiting plate (24) is provided with two sliding holes, the axes of the two sliding holes are arranged in parallel, and the two lock bolts (2) are respectively connected in the two sliding holes in a sliding manner.