CN216893868U

CN216893868U - Electric control push rod lock

Info

Publication number: CN216893868U
Application number: CN202122790562.9U
Authority: CN
Inventors: 陈波
Original assignee: Assa Abloy Zhongshan Security Technology Co Ltd
Current assignee: Assa Abloy Zhongshan Security Technology Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-05
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses an electric control push rod lock, which comprises a lock tongue, a lock shell, a head cover, a push rod part and a motor, wherein the motor is connected with the push rod part and is used for driving the lock tongue to retract or extend out of the head cover; the control box is used for controlling the motor to rotate; and when the spring bolt is completely retracted into the hood, the connecting assembly between the motor and the push rod part triggers the microswitch to send a stop signal to the control box. The motor is matched with the mechanical push rod lock for use, the motor is used for driving the bolt to retract and extend, a user can unlock and open the door in a non-contact mode of swiping a card and the like under the conventional power-on condition, the use is convenient, the control system is in a continuous power-off state when power is off, the motor does not work, but the door lock is always locked, at the moment, an inside person can press the push rod part on the lock to unlock and open the door, an outside person cannot unlock and open the door, and the safety of the access door is ensured.

Description

Electric control push rod lock

Technical Field

The utility model relates to the technical field of fire fighting access locks, in particular to an electric control push rod lock.

Background

In public places such as hospitals, markets, supermarkets and office buildings in the modern society, from the safety perspective, it is required to ensure that internal personnel can open a door quickly and safely escape in emergency situations such as fire, and unauthorized entry of external personnel into the building is also required to be prevented.

At present, fire fighting access lock products such as a push rod lock and an electromagnetic lock are mostly selected in various commercial buildings. The push rod lock is a common mechanical lock, does not need a power supply, can be opened only by firstly pressing down a push rod part on the lock to unlock and then push the door during use, cannot be unlocked in modes such as swiping a card and the like, and has the problem of inconvenient use. The electromagnetic lock can generate suction force for sucking the adsorption iron plate under the power-on state so as to achieve the locking effect, the electromagnetic lock loses the suction force for unlocking under the power-off state, a user unlocks in modes of swiping a card and the like firstly under the conventional power-on state and then pushes the door to open the door, but the control system is in a continuous power-off state when power is off, the electromagnetic lock loses the suction force and unlocks all the time, and foreign people can push the door to come in and go out at will, so that the problem of insecurity exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a common mechanical push rod lock is inconvenient to use because a push rod part needs to be pressed down for unlocking, and the electromagnetic lock always keeps unlocking under the condition that a control system is continuously powered off when power is cut off, so that external personnel can push a door to come in and go out at will, and the problem of insecurity exists. The utility model provides an electric control push rod lock, which is characterized in that a motor and a mechanical push rod lock are matched for use, the motor is utilized to drive a lock tongue to retract and extend, under the condition of conventional power-on, a user can unlock and open a door in a mode of not contacting with a push rod component by swiping a card and the like, the electric control push rod lock is convenient to use, a control system is in a continuous power-off state when power is off, the motor does not work, but a door lock is always locked, at the moment, an inside person can press the push rod component on the lock to unlock and open the door, an outside person cannot unlock and open the door, and the safety of going in and out of the door is ensured.

In order to solve the technical problem, the embodiment of the utility model discloses an electric control push rod lock which comprises a lock tongue, a lock shell, a hood, a push rod component and a motor, wherein the motor is connected with the push rod component and used for driving the lock tongue to retract or extend out of the hood, a control box is used for controlling the motor to rotate, and a microswitch is arranged on a path of retraction movement of the lock tongue and used for triggering the microswitch to send a stop signal to the control box when the lock tongue is completely retracted into the hood.

By adopting the technical scheme, under the condition of normal power-on, a user can unlock and open the door in a mode of swiping a card, swiping a two-dimensional code, inputting a password and the like without contacting with a push rod component, and the use is convenient. Give control box unlocking instruction through modes such as punching the card during use, the control box generates first drive signal and with driving motor forward rotation, drives the coupling assembling between motor and the push rod part and removes to the one end of keeping away from the hood, drives the push rod part simultaneously and pushes down to make the spring bolt retract the hood, realize that the unblock opens the door. When the bolt retracts into the head cover completely, the connecting assembly between the motor and the push rod part triggers the micro switch to send a stop signal to the control box, and the control box generates a second driving signal to drive the motor to stop rotating. After a period of time, the control box generates a third driving signal to reversely rotate with the driving motor, so that the connecting assembly between the driving motor and the push rod part moves towards one end close to the hood, and meanwhile, the push rod part is driven to bounce upwards, so that the lock tongue extends out of the hood, and the locking and the closing of the door are realized.

Under the power failure or meet emergency, control system is in and lasts the outage state, and the motor is out of work, but the lock locks all the time, and inside personnel can directly push down the arbitrary position of the push rod part on the lock so that the spring bolt retracts the hood this moment, realizes the unblock and opens the door, and the unable unblock of external personnel is opened the door, has guaranteed the safety of going out to the threshold.

According to another embodiment of the utility model, the motor is connected to the pusher member by a connecting member.

By adopting the technical scheme, the motor drives the connecting piece to move when rotating, so that the push rod part is driven to press down or pop up, and the bolt retracts or extends out of the head cover.

According to another embodiment of the present invention, the motor is a stepping motor, and a rotating shaft is disposed inside the stepping motor.

By adopting the technical scheme, the rotating shaft in the stepping motor drives the connecting piece to move when rotating, so that the push rod component is driven to press down or pop up, and the bolt retracts or extends out of the head cover.

According to another embodiment of the present invention, the rotating shaft is a screw, the connecting member includes a threaded sleeve, a threaded sleeve fixing plate, and a connecting plate, the threaded sleeve is sleeved on the screw inside the stepping motor, the threaded sleeve is fixedly connected to the threaded sleeve fixing plate, the threaded sleeve fixing plate is connected to the connecting plate through a pin, and the connecting plate is connected to the push rod member through a connecting strip.

By adopting the technical scheme, the screw rod inside the stepping motor rotates to drive the screw sleeve sleeved on the screw rod to move, the screw sleeve drives the connecting plate to move through the pin, and the connecting plate simultaneously drives the connecting strip in the push rod part to move so as to enable the push rod part to be pressed down or popped up, thereby realizing the retraction or extension of the spring bolt out of the head cap.

According to another embodiment of the present invention, the motor is a rotating motor, and the surface of the rotating motor is in a gear shape.

By adopting the technical scheme, the rotating motor body drives the connecting piece to move when rotating, so that the push rod component is driven to press down or pop up, and the bolt retracts or stretches out of the head cover.

According to another embodiment of the present invention, the link includes a rack engaged with teeth on the surface of the rotating motor, and a link plate fixedly connected to the rack and the link plate via a link.

By adopting the technical scheme, the rotating motor body rotates, the gear on the surface of the rotating motor drives the rack to move, the rack drives the connecting plate to move, and the connecting plate simultaneously drives the connecting strip in the push rod part to move so as to enable the push rod part to be pressed down or popped up, thereby realizing the retraction of the lock tongue or the extension of the head cover.

According to another embodiment of the utility model, the tappet member is resiliently connected to the housing, and the bolt is retracted into the head housing by depressing the tappet member.

By adopting the technical scheme, no matter the door lock is electrified or powered off, the inside personnel can realize quick unlocking and door opening by pressing the push rod component.

Drawings

Fig. 1 is a schematic view of an overall structure of an electrically controlled push rod lock in an extended state of a latch bolt according to an embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of the electrically controlled push rod lock in the retracted state of the latch bolt according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an electric control portion of an electric control push rod lock with a rear cover removed according to an embodiment of the present invention.

Description of the specific embodiments with reference numbers:

1. lock tongue	2. Head cover	3. Push rod component	4. Lock shell
				5. Rear cover	51. Electric machine	52. Rotating shaft	53. Micro-switch
6. Tail cover	7. Control box	8. Connecting piece	81. Screw sleeve
				82. Thread sleeve fixing plate	83. Pin pin	84. Connecting plate	85. Connecting strip

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the utility model will be described in conjunction with the preferred embodiments, it is not intended that the features of the utility model be limited to these embodiments. On the contrary, the intention of the novel description to be incorporated into the embodiments is to cover alternatives or modifications which may be extended in accordance with the appended claims. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are only used for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the embodiment of the utility model discloses an electric control push rod lock, which comprises a bolt 1, a lock case 4, a head cover 2, a push rod component 3, and a motor 51, wherein the motor 51 is connected with the push rod component 3, the motor 51 is used for driving the bolt 1 to retract or extend out of the head cover 2, a control box 7 is used for controlling the motor 51 to rotate, a microswitch 53 and a microswitch 53 are arranged on a retraction moving path of the bolt 1, and when the bolt 1 retracts into the head cover 2 completely, a connecting component between the motor 51 and the push rod component 3 triggers the microswitch 53 to send a stop signal to the control box 7.

Fig. 1 shows the bolt 1 in an extended state, and fig. 2 shows the bolt 1 in a retracted state. Specifically, in this embodiment, the latch bolt 1 is a latch bolt, and the design of the inclined surface of the latch bolt and the spring component inside the latch bolt can realize the effect of opening and closing the door conveniently. In other embodiments, the lock tongue can be set as a square tongue, an anti-sawing lock tongue, a double-hook lock tongue and the like, and the utility model is not limited to this, and can be reasonably selected according to actual production needs. Push rod part 3 and lock shell 4 elastic connection, in the practical application process, when emergency such as fire alarm takes place, only need hand push or health extrusion push rod part 3 alright unblock open the door, the convenient mode of opening the door is favorable to improving fire control safety evacuation ability, can ensure the evacuation unblocked of personnel under the emergency.

The motor 51 is a device for converting electric energy into mechanical energy, mainly uses an electrified coil to generate a rotating magnetic field and acts on a rotor to form magnetoelectric power rotating torque, and can use the motor 51 as a prime mover to drag mechanical equipment to move. As shown in fig. 3, the motor 51 is fixedly disposed on the inner liner of the lock case 4 at a position intermediate the push rod member 3 and the tail cover 6. The microswitch 53 is a switch having a small contact pitch.

Specifically, in this embodiment, during the process of retracting the latch bolt 1 into the head housing 2, the connecting assembly between the motor 51 and the push rod member 3 moves, and the connecting assembly moves to a certain position, and presses the actuating reed of the micro switch 53, so that the fixed contact and the movable contact at the end of the moving reed are quickly connected to send a stop signal to the control box 7, and the motor 51 stops rotating. In other embodiments, the setting position of the micro switch can be reasonably selected according to actual production needs, and the utility model is not limited to this. The control box 7 is configured as a computer system capable of receiving external input signals (such as swiping a card, inputting a password, etc.) and performing drive control on the motor 51, and generates control pulses through a program to further drive the motor 51 to generate a required rotation angle, speed and direction.

Under the normal circular telegram condition, the user accessible swipes the card, swipes two-dimensional code, inputs modes such as password and contactless push rod part 3 and realizes the unblock and open the door, convenient to use. During the use through modes such as punching the card for control box 7 instruction of unblanking, control box 7 generates first drive signal with driving motor 51 forward rotation, drives coupling assembling between motor 51 and push rod part 3 and moves to the one end of keeping away from hood 2, drives push rod part 3 simultaneously and pushes down to make spring bolt 1 retract hood 2, realize the unblock and open the door. When the bolt 1 is completely retracted into the head cap 2, the connection assembly between the motor 51 and the push rod member 3 triggers the micro switch 53 to send a stop signal to the control box 7, and at this time, the control box 7 generates a second driving signal to drive the motor 51 to stop rotating. After a period of time, the control box 7 generates a third driving signal to drive the motor 51 to rotate reversely, so as to drive the connecting assembly between the motor 51 and the push rod component 3 to move towards the end close to the head cover 2, and simultaneously drive the push rod component 3 to bounce upwards, so that the bolt 1 extends out of the head cover 2, and the locking and the closing of the door are realized.

Under the power failure or meet emergency, control system is in and lasts the outage state, and motor 51 is out of work, but the lock locks all the time, and inside personnel can directly push down the arbitrary position of the push rod part 3 of locking so that spring bolt 1 retracts hood 2 this moment, realizes the unblock and opens the door, and the unable unblock of external personnel is opened the door, has guaranteed the safety of going out and entering the door.

Further, in the present application, the motor 51 is connected to the pusher member 3 through the connecting member 8. As shown in fig. 3, the rear cover 5 of the electric control push rod lock is removed, and the internal structure of the electric control part is shown. When the motor 51 rotates, the connecting piece 8 is driven to move, so that the push rod component 3 is driven to press down or pop up, and the bolt 1 retracts or extends out of the head cover 2.

Preferably, in the present application, the motor 51 is a stepping motor, and a rotating shaft 52 is disposed inside the stepping motor. The stepping motor is an electromagnet capable of freely rotating, and the biggest difference of the stepping motor relative to other control motors is that the stepping motor receives an electric pulse signal and converts the electric pulse signal into an angular displacement or a linear displacement corresponding to the electric pulse signal, and a specified position increment is obtained by inputting a pulse signal. As shown in fig. 3, the stepping motor is fixedly disposed on the inner lining of the lock housing 4 at the middle position between the push rod component 3 and the tail cover 6, and the rotating shaft 52 of the stepping motor rotates to drive the connecting member 8 connected with the rotating shaft 52 to move.

Further, in this application, the rotating shaft 52 is a screw rod, the connecting member 8 includes a threaded sleeve 81, a threaded sleeve fixing plate 82, and a connecting plate 84, the threaded sleeve 81 is sleeved on the screw rod inside the stepping motor, the threaded sleeve 81 is fixedly connected with the threaded sleeve fixing plate 82, the threaded sleeve fixing plate 82 is connected with the connecting plate 84 through a pin 83, and the connecting plate 84 is connected with the push rod member 3 through a connecting strip 85. Specifically, in this embodiment, as shown in fig. 3, the surface of the screw of the stepping motor has an external thread, the interior of the screw sleeve 81 has an internal thread, the internal thread of the screw sleeve 81 and the external thread of the screw are engaged with each other, and the screw of the stepping motor can move on the screw when rotating. In the retraction process of the bolt 1, the screw rod rotates in the forward direction, the threaded sleeve 81 is driven by the screw rod to move towards one end far away from the head cover 2, the threaded sleeve 81 drives the connecting plate 84 to move through the pin 83, the connecting plate 84 simultaneously drives the connecting strip 85 in the push rod part 3 to move, so that the push rod part 3 is pressed downwards to realize the retraction of the bolt 1, the unlocking door is opened, when the connecting plate 84 moves to press the micro switch 53, the bolt 1 is completely retracted into the head cover 2, the micro switch 53 sends a stop signal to the control box 7, and the screw rod stops rotating.

In the process of extending the bolt 1, the screw rod rotates reversely, the threaded sleeve 81 moves towards one end close to the head cover 2 under the driving of the screw rod, the threaded sleeve 81 pushes the threaded sleeve fixing plate 82 to move and release the pulling force on the connecting plate 84, and the connecting strip 85 in the push rod component 3 releases the limitation, so that the push rod component 3 is bounced to extend the bolt 1, and the door is closed by locking. It should be noted that the rotation direction of the screw rod can be defined independently according to actual conditions, and in other embodiments, the component arrangement of the connecting member can be reasonably selected according to actual production needs, which is not limited in the present invention.

Preferably, in the present application, the motor 51 is a rotating motor, and the surface of the rotating motor is gear-shaped. The rotating motor body drives the connecting piece 8 connected with the rotating motor body to move when rotating, so that the push rod component 3 is driven to press down or pop up, and the bolt 1 retracts or extends out of the head cover 2.

Further, in the present application, the connecting member 8 includes a rack gear engaged with the teeth on the surface of the rotating motor, a connecting plate 84, the rack gear being fixedly connected to the connecting plate 84, and the connecting plate 84 being connected to the push rod member 3 by a connecting bar 85. Specifically, in the present embodiment, when the rotating motor (not shown in the figure) rotates, the rack (not shown in the figure) engaged with the teeth on the surface of the rotating motor moves under the driving of the rotating motor. In the retraction process of the bolt 1, the rotating motor rotates in the forward direction, the rack is driven by the rotating motor to move towards one end far away from the head cover 2, the rack moves to drive the connecting plate 84 to move, the connecting plate 84 simultaneously drives the connecting strip 85 in the push rod part 3 to move, so that the push rod part 3 is pressed down to realize the retraction of the bolt 1, the unlocking door is opened, when the connecting plate 84 moves to press the micro switch 53, the bolt 1 is completely retracted into the head cover 2, the micro switch 53 sends a stop signal to the control box 7, and the rotating motor stops rotating.

In the process of extending the bolt 1, the rotating motor rotates reversely, the rack moves towards one end close to the head cover 2 under the driving of the rotating motor, the rack moves to release the pulling force on the connecting plate 84, and the connecting strip 85 in the push rod part 3 releases the limitation to enable the push rod part 3 to be bounced so as to extend the bolt 1 and lock and close the door. It is to be noted that the rotation direction of the rotating electric machine may be autonomously defined according to the actual situation.

Further, in the present application, the push rod part 3 is elastically connected to the lock case 4, the push rod part 3 is pressed down, and the latch bolt 1 is retracted into the head housing 2. In the practical application process, no matter the lock circular telegram or the outage, inside personnel all can realize quick unblock opening the door through pushing down push rod part 3, and is safe, convenient.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the utility model, taken in conjunction with the specific embodiments thereof, and that no limitation of the utility model is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. An electric control push rod lock comprises a bolt (1), a lock shell (4), a head cover (2) and a push rod component (3), and is characterized in that the electric control push rod lock further comprises a lock tongue (1)

The motor (51), the said motor (51) links with the said push rod part (3), the said motor (51) is used for driving the said lock tongue (1) to retract or stretch out the said hood (2);

the control box (7), the said control box (7) is used for controlling the said electrical machinery (51) to rotate;

the micro switch (53), micro switch (53) set up in on the route that spring bolt (1) retract the removal, work as spring bolt (1) retracts completely when hood (2), motor (51) with connecting components between push rod part (3) trigger micro switch (53) to control box (7) send stop signal.

2. An electrically controlled push rod lock according to claim 1, characterised in that the motor (51) is connected to the push rod member (3) by means of a connecting element (8).

3. An electrically controlled push rod lock according to claim 2, characterized in that the motor (51) is a step motor, inside which a spindle (52) is arranged.

4. The electric control push rod lock according to claim 3, wherein the rotating shaft (52) is a screw rod, the connecting member (8) comprises a threaded sleeve (81), a threaded sleeve fixing plate (82) and a connecting plate (84), the threaded sleeve (81) is sleeved on the screw rod inside the stepping motor, the threaded sleeve (81) is fixedly connected with the threaded sleeve fixing plate (82), the threaded sleeve fixing plate (82) is connected with the connecting plate (84) through a pin (83), and the connecting plate (84) is connected with the push rod member (3) through a connecting strip (85).

5. An electrically controlled push rod lock according to claim 2, characterised in that the motor (51) is a rotating motor, the surface of which is gear-shaped.

6. An electrically controlled push rod lock according to claim 5, characterised in that the connecting element (8) comprises a toothed rack, which engages with teeth on the surface of the rotating motor, a connecting plate (84), which is fixedly connected to the connecting plate (84), and which connecting plate (84) is connected to the push rod part (3) by means of a connecting strip (85).

7. An electrically controlled push rod lock according to claim 1, characterized in that the push rod part (3) is elastically connected to the lock housing (4), and when the push rod part (3) is pressed down, the bolt (1) is retracted into the head housing (2).