CN210659668U - Motor driving mechanism for door lock - Google Patents

Abstract

The utility model provides a motor drive mechanism for door lock, including the door frame, the door body and actuating mechanism, the door frame includes the door frame, left side door frame and right door frame, the door body articulates on left door frame, actuating mechanism includes the motor, the motor passes through coupling assembling to be connected in the door body and rotates with the driving door body, the motor is fixed on last door frame, and motor output shaft down, coupling assembling is including fixing the follow driving wheel that is close to left door frame one end on the door body along, follow driving wheel circumference surface has first axial tooth, be fixed with the action wheel on the motor output shaft, circumference surface has the second axial tooth with first axial tooth engaged with on the action wheel, the motor is connected with corotation switch and reversal switch. When the user need let the door open certain angle, need not use extra obstacle, only need through corotation switch or reversal switch control motor just reversal to make the door body rotatory to the angle of needs can, have convenient to use, can satisfy advantages such as user angle control needs.

Description

Motor driving mechanism for door lock

Technical Field

The utility model belongs to the technical field of the electrically operated gate drive, especially, relate to a motor drive mechanism for lock.

Background

With the continuous improvement of living standard of people, the switch of many modern doors and windows adopts electric devices, and can be remotely controlled through equipment such as mobile phones. Along with the improvement of electronization degree, many families choose for use the electromagnetic door through fingerprint, face identification, button switch or cell-phone control, this type of electromagnetic door passes through the electromagnetic lock and realizes the switch door, what the electromagnetic lock mainly utilized is the principle of electricity magnetism, when the electric current passes through the silicon steel sheet, the electromagnetic lock can produce powerful suction and tightly holds the effect that adsorbs iron plate to reach the lock door, correctly discerns or cut off the power supply promptly after receiving the instruction of opening the door, the electromagnetic lock loses suction and can open the door.

However, the prior art electric door can only be opened or closed, and cannot be opened, especially a hinged door, while a general household door basically uses a hinged door, and the prior art hinged door can only be opened or closed, and cannot realize angle maintenance, when people need to open the door at a certain angle to achieve the purposes of indoor ventilation, etc., a blocking object needs to be used to be placed at a certain position to prevent the door from being closed or being opened continuously, which is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a motor drive mechanism for lock that can control door rotation angle.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a motor drive mechanism for door lock, includes door frame, the door body and actuating mechanism, the door frame includes door frame, left door frame and right door frame, the door body articulate in on the left side door frame, actuating mechanism includes the motor, the motor pass through coupling assembling connect in the door body is with the drive the door body rotates, its characterized in that, the motor is fixed on last door frame, and motor output shaft down, coupling assembling is including fixing the edge is close to left door frame one end from the driving wheel on the door body, follow driving wheel circumference surface and have first axial tooth, be fixed with the action wheel on the motor output shaft, circumference surface have on the action wheel with the second axial tooth that first axial tooth meshed mutually, the motor is connected with corotation switch and reversal switch.

In the motor driving mechanism for the door lock, the door body is hinged to the left door frame through a hinge, and the axis of the motor output shaft and the rotation axis of the hinge are positioned on the same straight line, so that the door body rotates by taking the axis of the motor output shaft as a central axis.

In the motor drive mechanism for the door lock, the upper door frame, the left door frame and the right door frame are respectively provided with an upper L-shaped groove, a left L-shaped groove and a right L-shaped groove near the door body, and the door body is positioned in a frame body formed by the upper L-shaped groove, the left L-shaped groove and the right L-shaped groove.

In the motor driving mechanism for the door lock, a protective shell is fixed in the upper L-shaped groove, and the motor is fixed on the upper door frame through the protective shell.

In the motor driving mechanism for the door lock, the motor is fixed on the upper surface inside the protective shell, the driving wheel is located inside the protective shell, an L-shaped through groove is formed in the side surface of the protective shell, and the driven wheel is meshed with the driving wheel through the L-shaped through groove.

In the motor driving mechanism for the door lock, a bearing extends from the lower end of the driving wheel, and the lower surface inside the protective shell is provided with a bearing seat for placing the bearing.

In the motor driving mechanism for the door lock, the motor is connected to the controller, the controller is connected to the main switch, and the main switch is connected to the forward rotation switch and the reverse rotation switch.

In the motor driving mechanism for the door lock, the controller is connected with a wireless module, and the controller is connected to the client through the wireless module.

In the motor driving mechanism for the door lock, an angle sensor is arranged in the motor, and a signal output end of the angle sensor is connected to the controller.

In the motor driving mechanism for the door lock, an electromagnetic lock is arranged between the door body and the right door frame, and the electromagnetic lock is connected to the controller.

The utility model has the advantages that: when the user need let the door open certain angle, need not use extra obstacle, only need through corotation switch or reversal switch control motor just reversal to make the door body rotatory to the angle of needs can, have convenient to use, can satisfy advantages such as user angle control needs.

Drawings

Fig. 1 is a schematic structural diagram of a door frame according to a first embodiment of the present invention;

fig. 2 is a schematic view illustrating a connection between a door body and a driving mechanism according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a door frame and a door body in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the driving structure of the present invention;

fig. 5 is a schematic view of a motor part in a first embodiment of the present invention;

fig. 6 is a schematic wiring diagram of a motor control part in the first embodiment of the present invention;

FIG. 7 is a schematic structural view of a protective shell according to a first embodiment of the present invention after the bottom surface is cut away;

fig. 8 is a sectional view of a connection relationship between a driving wheel and a bearing seat in a second embodiment of the present invention;

fig. 9 is a schematic wiring diagram of a motor control part in the third embodiment of the present invention;

fig. 10 shows a connection relationship between the main switch and the controller according to a third embodiment of the present invention;

fig. 11 is a schematic circuit diagram of an electromagnetic path in a third embodiment of the present invention;

fig. 12 is a block diagram of a system according to a third embodiment of the present invention.

Reference numeral, a door frame 1; an upper door frame 11; a left doorframe 12; a right door frame 13; a lower door frame 14; an upper L-shaped groove 15; a left L-shaped groove 16; a right L-shaped groove 17; a lower L-shaped groove 18; the housing chamber 19; a door body 2; a hinge 21; a drive mechanism 3; a motor 31; a motor output shaft 32; a driven pulley 33; a drive wheel 34; a bearing 35; a bearing seat 36; a protective shell 4; a threaded hole 41; an L-shaped through groove 41; a controller 5; a wireless module 6; a client 7; an angle sensor 8; an electromagnetic lock 9; a forward rotation switch S1; a reverse switch S2; a single switch S3; a forward rotation coil KM 1; a forward normally open double throw switch KM 11; a reverse coil KM 2; a reverse normally-open double-throw switch KM 21; a first relay coil KM 3; a normally closed switch KM 31; a second relay coil KM 4; a normally open switch KM 41.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 4, the present embodiment discloses a motor driving mechanism for a door lock, which includes a door frame 1, a door body 2 and a driving mechanism 3. The door frame 1 comprises an upper door frame 11, a left door frame 12, a right door frame 13 and a lower door frame 14, and the door body 2 is hinged on the left door frame 12; the driving mechanism 3 comprises a motor 31, the motor 31 is connected to the door body 2 through a connecting assembly to drive the door body 2 to rotate, the motor 31 is fixed on the upper door frame 11, a motor output shaft 32 faces downwards, the connecting assembly comprises a driven wheel 33 fixed on the upper edge of the door body 2 close to one end of the left door frame 12, a first axial tooth is arranged on the circumferential outer surface of the driven wheel 33, a driving wheel 34 is fixed on the motor output shaft 32, a second axial tooth meshed with the first axial tooth is arranged on the circumferential outer surface of the driving wheel 34, and the motor 31 is connected with a forward rotation switch S1 and a reverse rotation switch S2.

The door body 2 is hinged to the left door frame 12 through a hinge 21, and a person skilled in the art can select a corresponding hinge structure according to factors such as cost conditions and use environments, and the like, which are not specifically limited and described herein. The axis of the motor output shaft 32 is aligned with the rotation axis of the hinge 21, i.e. the central axis of the door body 2, so that the door body 2 rotates around the axis of the motor output shaft 32 as the central rotation axis, but the motor 31 is selected to be a motor 31 capable of rotating in the forward direction and the reverse direction. When the door is put into use, the motor 31 is rotated in the positive direction by pressing the positive rotation switch, the motor output shaft 32 drives the driving wheel 34 to rotate together, the driven wheel 33 is meshed with the driving wheel 34, the position of the driving wheel 34 is fixed, so the driven wheel 33 rotates around the driving wheel 34 in the circumferential direction, the driven wheel 33 is fixed on the door body 2, the door body 2 is driven by the driven wheel 33 to rotate around the driving wheel 34 in the circumferential direction, the positive rotation button is released, the rotation is stopped, and the door body 2 is kept at the angle; similarly, when it is desired to close, the reverse button is pressed to reverse the motor 31 until the door 2 is closed. As shown in fig. 5 and 6, the forward and reverse rotation of the motor 31 is controlled by means of a relay coil, the forward switch S1 is connected to the forward coil KM1, the forward normally open double-throw switch KM11 of the forward coil KM1 is connected to the power supply line, the reverse switch S2 is connected to the reverse coil KM2, and the reverse normally open double-throw switch KM21 of the reverse coil KM2 is connected to the power supply line in the reverse direction, so that when the forward switch is closed and the forward coil KM1 is energized, the forward double-throw switch KM11 is turned on, the motor 31 is rotated in the forward direction, and when the reverse switch S2 is closed and the reverse coil KM2 is energized, the reverse double-throw switch KM21 is turned on, and the. The forward switch and the reverse switch S2 are electrically operated switches that are pressed and released, but those skilled in the art may select other switch forms, such as a single switch; in addition, the forward and reverse rotation of the motor 31 is controlled by a relay, and those skilled in the art can also control the forward and reverse rotation of the motor 31 in other forms. The definition of forward rotation and reverse rotation is not limited, and may be defined as forward rotation when the motor 31 rotates counterclockwise, and clockwise rotation as reverse rotation, or may be defined as clockwise rotation and forward rotation of the motor 31, and counterclockwise rotation as reverse rotation.

Further, the upper door frame 11, the left door frame 12, the right door frame 13, and the lower door frame 14 are respectively provided with an upper L-shaped groove 15, a left L-shaped groove 16, a right L-shaped groove 17, and a lower L-shaped groove 18 on the side close to the door body 2, and the door body 2 is located in a frame body formed by the upper L-shaped groove 15, the left L-shaped groove 16, the right L-shaped groove 17, and the lower L-shaped groove 18, that is, when the door body 2 is closed, four sides of the door body are respectively in contact with the upper L-shaped groove 15, the left L-shaped groove 16, the right L-shaped groove 17, and the lower.

Preferably, as shown in fig. 3 and 10, a protective shell 4 is fixed in the upper L-shaped groove 15, and the motor 31 is fixed on the upper door frame 11 through the protective shell 4. Specifically, one end of the upper L-shaped groove 15 close to the left door frame 12 extends upwards to form an accommodating cavity 19 for accommodating the protective shell 4, the upper surface of the outer shell of the protective shell 4 and the upper surface of the upper L-shaped groove 15 are provided with threaded holes 41, and the protective shell 4 is fixed in the accommodating cavity 19 of the upper L-shaped groove 15 through threaded bolt holes.

In addition, the motor 31 is fixed on the upper surface inside the protective shell 4, the motor 31 can also be fixed on the inner surface of the protective shell 4 in a bolt and thread connection mode, specifically, one end of the shell of the motor 31, which is far away from the motor output shaft 32, is provided with a threaded hole 41, the upper surface of the protective shell 4 is provided with a threaded hole 41, when the motor 31 is installed, the threaded holes of the shell of the motor 31 and the threaded holes of the upper surface of the protective shell 4 are in one-to-one correspondence and then screwed down by bolts, the driving wheel 34 is located in the protective shell 4, the side surface of the protective shell 4 is provided with an L-shaped through groove 41, the driven wheel 33 is meshed with the driving.

Example two

As shown in fig. 8, the present embodiment is similar to the present embodiment, except that a bearing 35 extends from a lower end of the driving wheel 34 of the present embodiment, a bearing seat 36 for placing the bearing 35 is disposed on a lower surface inside the protective shell 4, and the bearing 35 is located inside the bearing seat 36, so as to provide a supporting force to the driving wheel 34, and at the same time, assist the rotation of the driving wheel 34, and improve the stability of the entire driving mechanism 3.

EXAMPLE III

As shown in fig. 9, the present embodiment is similar to the present embodiment, except that the motor 31 of the present embodiment is connected to the controller 5, and the controller 5 is connected to a main switch, and the main switch is connected in series between a common terminal of the forward switch S1 and the reverse switch S2 and the power supply.

Specifically, the master switch includes a master switch trigger, which is a biometric device 51 connected to the controller 5, and sends a trigger signal to the controller 5 when the biometric device 51 identifies correctly, and the biometric device may be fingerprint identification, face identification, or the like; in addition, the controller 5 is connected with a wireless module 6, the wireless module 6 is connected with a client 7, a master switch trigger is installed in the client 7, a user can remotely send a trigger signal to the controller 5 through the client 7, and the controller 5 is an integrated circuit chip-single chip microcomputer and can be a 4-bit single chip microcomputer, an 8-bit single chip microcomputer and the like.

Further, an electromagnetic lock 9 is arranged between the door body 2 and the right door frame 13, the electromagnetic lock 9 is connected to the controller 5, and a main switch trigger is coupled to the electromagnetic lock 9 and is simultaneously used for triggering the electromagnetic lock 9, and here, the electromagnetic lock 9 is triggered to be powered off.

Specifically, as shown in fig. 10 and 11, the electromagnetic lock 9 includes an electromagnetic path 91, the main switch includes a first relay coil KM3 and a normally closed switch KM31 of a first relay coil KM3, the controller 5 is connected to the first relay coil KM3, the first relay coil KM3 is coupled to the main switch trigger, the normally closed switch KM31 is connected in series to the electromagnetic path 91, when the controller 5 receives a trigger signal sent by the biometric device 51 or the client 7, the controller controls the first relay coil KM3 to be energized, the normally closed switch KM31 to be opened, the electromagnetic path 91 is de-energized, and the door can be opened. The electromagnetic path 91 is connected in series with a second relay coil KM4, the second relay coil KM4 is provided with a normally open switch KM41, and the normally open switch KM41 is connected in series between the common end of the forward rotation switch S1 and the reverse rotation switch S2 and the power supply. When the main switch trigger triggers the electromagnetic path to be powered off, the second relay coil KM4 in the electromagnetic path is powered off, the normally open switch KM41 is closed, at the moment, the forward rotation switch S1 or the reverse rotation switch S2 is operated effectively, namely, when the forward rotation switch S1 is operated, the motor rotates forwards, and when the reverse rotation switch is operated, the motor rotates backwards. When the electromagnetic path is closed, the normally open switch KM41 is opened, and the normal rotation switch S1 and the reverse rotation switch S2 are not operated.

Preferably, as shown in fig. 11, the electromagnetic path is connected in series with a single-link switch S3, and the single-link switch S3 is disposed indoors, and it should be understood by those skilled in the art that the single-link switch is a switch that is turned on by a switch circuit and then turned off by a switch circuit, and the single-link switch is directly connected in series with the electromagnetic path, so that the on/off of the electromagnetic path can be directly controlled, and a master switch trigger is not required, and in addition, the indoor and outdoor can be respectively provided with a forward rotation switch S1 and a reverse rotation switch S2, so that the indoor and outdoor can respectively control the rotation of the motor 31.

Preferably, as shown in fig. 12, in the present embodiment, a motor 31 with an angle sensor 8 integrated therein is selected, a signal output end of the angle sensor 8 is connected to the controller 5, and the angle sensor 8 is used to obtain the rotation angle of the motor 31, so that a user can conveniently obtain the opening angle of the electric door. The motor 31 may be internally integrated with an angle sensor 8 of a magnetoelectric type, an optical type or a contact type, wherein the magnetoelectric type includes an encoder and a resolver, and the motor 31 with the resolver built therein is preferred in this embodiment. Those skilled in the art will appreciate that a resolver includes a rotor core that rotates synchronously with the motor output shaft 32, a stator core that is fixed within the housing of the motor 31 so as not to rotate, and rotor windings on the rotor core and stator windings on the stator core. The rotor winding is used as an excitation coil, two ends of the rotor winding are connected to the input signal line, two ends of the stator winding are connected to the output signal line, namely the rotor winding is connected to the power supply end, the stator winding is connected to the controller 5, when the rotor winding rotates, the magnetic flux and the magnetic flux direction change, and the controller 5 judges the rotation angle of the motor 31 according to the magnetic flux and the magnetic flux direction.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the door frame 1 is used more herein; an upper door frame 11; a left doorframe 12; a right door frame 13; a lower door frame 14; an upper L-shaped groove 15; a left L-shaped groove 16; a right L-shaped groove 17; a lower L-shaped groove 18; the housing chamber 19; a door body 2; a hinge 21; a drive mechanism 3; a motor 31; a motor output shaft 32; a driven pulley 33; a drive wheel 34; a bearing 35; a bearing seat 36; a protective shell 4; a threaded hole 41; an L-shaped through groove 41; a controller 5; a wireless module 6; a client 7; an angle sensor 8; an electromagnetic lock 9; a forward rotation switch S1; a reverse switch S2; a single switch S3; a forward rotation coil KM 1; a forward normally open double throw switch KM 11; a reverse coil KM 2; a reverse normally-open double-throw switch KM 21; a first relay coil KM 3; a normally closed switch KM 31; a second relay coil KM 4; normally open switch KM41, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a motor drive mechanism for door lock, includes door frame (1), the door body (2) and actuating mechanism (3), door frame (1) is including last door frame (11), left door frame (12) and right door frame (13), the door body (2) articulate in on left side door frame (12), actuating mechanism (3) are including motor (31), motor (31) through coupling assembling connect in door body (2) are in order to drive door body (2) rotate, a serial communication port, motor (31) are fixed on last door frame (11), and motor output shaft (32) down, coupling assembling is including fixing edge is close to left door frame (12) one end from driving wheel (33) on the door body (2), follow driving wheel (33) circumference surface and have first axial tooth, be fixed with action wheel (34) on motor output shaft (32), circumference surface has on action wheel (34) with the second axial tooth that first axial tooth meshed mutually The motor (31) is connected with a forward rotation switch (S1) and a reverse rotation switch (S2).

2. The motor driving mechanism for door lock according to claim 1, wherein the door body (2) is hinged to the left door frame (12) by a hinge (21), and the axis of the motor output shaft (32) is aligned with the rotation axis of the hinge (21) so that the door body (2) rotates about the axis of the motor output shaft (32).

3. The motor driving mechanism for the door lock according to claim 2, wherein the upper door frame (11), the left door frame (12) and the right door frame (13) are respectively provided with an upper L-shaped groove (15), a left L-shaped groove (16) and a right L-shaped groove (17) at the side close to the door body (2), and the door body (2) is positioned in a frame body formed by the upper L-shaped groove (15), the left L-shaped groove (16) and the right L-shaped groove (17).

4. The motor driving mechanism for door lock according to claim 3, characterized in that a protective shell (4) is fixed in the upper L-shaped groove (15), and the motor (31) is fixed on the upper door frame (11) through the protective shell (4).

5. The motor driving mechanism for the door lock according to claim 4, wherein the motor (31) is fixed on the inner upper surface of the protective shell (4), the driving wheel (34) is located in the protective shell (4), an L-shaped through groove (41) is formed in the side surface of the protective shell (4), and the driven wheel (33) is meshed with the driving wheel (34) through the L-shaped through groove (41).

6. The motor driving mechanism for door lock according to claim 5, wherein the lower end of the driving wheel (34) extends with a bearing (35), and the inner lower surface of the protective shell (4) is provided with a bearing seat (36) for placing the bearing (35).

7. The motor driving mechanism for door lock according to claim 1, wherein the motor (31) is connected to a controller (5), and the controller (5) is connected to a main switch connected to the forward rotation switch (S1) and the reverse rotation switch (S2).

8. The motor driving mechanism for door lock according to claim 7, wherein the controller (5) is connected with a wireless module (6) and/or a biometric device (51), and the controller (5) is connected with a client (7) through the wireless module (6).

9. The motor driving mechanism for door lock according to claim 8, characterized in that the motor (31) has an angle sensor (8) inside, and a signal output terminal of the angle sensor (8) is connected to the controller (5).

10. The motor driving mechanism for door lock according to claim 9, characterized in that an electromagnetic lock (9) is provided between the door body (2) and the right door frame (13), and the electromagnetic lock (9) is connected to the controller (5).

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