CN111364842A

CN111364842A - Electric control lock with door closer

Info

Publication number: CN111364842A
Application number: CN202010358774.7A
Authority: CN
Inventors: 朱力克
Original assignee: Suzhou Fuerda Technology Co ltd
Current assignee: Suzhou Fuerda Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-07-03

Abstract

The invention relates to an electric control lock with a door closer, which comprises: a door closer having a guide rail; the lock block is provided with a lock groove; the lock tongue is movably arranged on the guide rail; the driving mechanism is used for driving the lock tongue to move; the lock tongue has a lock door state and an unlock state, at least one part of the lock tongue is positioned in the lock groove in the lock door state, and the lock tongue is positioned outside the lock groove in the unlock state. The lock tongue is movably arranged on the guide rail of the door closer, so that the door closer and the lock are combined, and the structure is simple. The guide rail is arranged on the door frame, the locking block is arranged on the door, and after the door closer closes the door, the locking block enters the locking groove through the movement of the lock tongue to lock the door. The door closing and locking functions are simultaneously realized through a simple structure. In addition, the damage to the door is small in the construction; and can be constructed quickly.

Description

Electric control lock with door closer

Technical Field

The invention relates to an electric control lock, in particular to an electric control lock with a door closer.

Background

In order to automatically close and lock the door, a door closer and an electric control lock are often used together in the door leaf, and for example, an attempt is made to provide an automatic control system for a security door in chinese patent publication No. CN 1102231A.

Along with the technical development, an electromagnetic lock (also called a magnetic lock) in an electric control lock is commonly used at present, for example, a door closer and the electromagnetic lock are simultaneously used on one door leaf in the Chinese patent document with the publication number of 'CN 2893082Y', and the structure not only is more complicated to install two sets of devices, but also increases the damage to the door, and in addition, the conventional electromagnetic lock has the defects of heavy weight, power consumption during door locking maintenance and the like.

The chinese patent document with the publication number "CN 210316887U" discloses "an intelligent electric control lock with an auxiliary door closing function", which discloses a scheme of combining a door closer and an electric control lock.

The invention aims to provide another novel structure, and realizes the combination of a door closer and an electric control lock.

Disclosure of Invention

The invention aims to provide an electric control lock with a door closer, which can realize the functions of closing and locking a door at the same time.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides an electric control lock with a door closer, which comprises:

a door closer having a guide rail;

the lock block is provided with a lock groove;

the lock tongue is movably arranged on the guide rail;

the driving mechanism is used for driving the lock tongue to move;

the lock tongue has a lock door state and an unlock state, at least one part of the lock tongue is positioned in the lock groove in the lock door state, and the lock tongue is positioned outside the lock groove in the unlock state.

Optionally, an auxiliary pushing block is further disposed in the locking groove.

Optionally, a cam is further rotatably disposed in the lock groove.

Further, it also comprises a lock cylinder, on which the cam is integrated.

Optionally, the locking tongue is rotatably or slidably disposed on the guide rail.

Optionally, the bolt lock further comprises a power assisting piece, wherein the power assisting piece is one of a torsion spring, a straight spring and a rubber band, and the power assisting piece is connected with the bolt.

Optionally, actuating mechanism includes electromagnetic induction coil, be provided with the adsorption plate on the spring bolt, electromagnetic induction coil with the corresponding setting of adsorption plate.

Further, the adsorption plate is rotatably connected with the bolt.

Optionally, the driving mechanism includes an electromagnetic induction coil, the bolt is connected with a core bar, and the core bar is inserted into the electromagnetic induction coil.

Optionally, the driving mechanism includes an electric motor, and an output end of the electric motor is connected to the latch bolt.

Optionally, it also includes limit switch, limit switch's touching end sets up in the activity route of spring bolt.

Optionally, it also includes access control system, access control system with actuating mechanism is connected.

Optionally, it also includes fixed movable block, fixed movable block is fixed in the guide rail, the spring bolt with actuating mechanism sets up on fixed movable block.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the electric control lock with the door closer, the bolt is movably arranged on the guide rail of the door closer, so that the combination of the door closer and the lock is realized, and the structure is simple. The guide rail is arranged on the door frame, the locking block is arranged on the door, and after the door closer closes the door, the locking block enters the locking groove through the movement of the lock tongue to lock the door. The door closing and locking functions are simultaneously realized through a simple structure. In addition, the damage to the door is small in the construction; and can be constructed quickly.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view (top view, partially in perspective) of a door and doorframe to which the present invention is applied;

FIG. 2 is a schematic view (perspective, partially in perspective) of a door and frame to which the present invention is applied;

FIG. 3 is a schematic structural view of embodiment 1, in a door-locked state;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is another state diagram of embodiment 1, corresponding to the door-locked state of fig. 3, which is in an unlocked state;

FIG. 6 is an enlarged view at B' in FIG. 5;

FIG. 7 is a side view (in cross-section) of FIG. 3;

FIG. 8 is a side view (in cross-section) of FIG. 5;

FIG. 9 is a schematic structural view of embodiment 2, in a door-locked state;

FIG. 10 is an enlarged view at C of FIG. 9;

fig. 11 is another state diagram of embodiment 2, corresponding to the door-locked state of fig. 9, which is in an unlocked state;

FIG. 12 is an enlarged view at C' of FIG. 11;

FIG. 13 is a schematic structural view of embodiment 3, in a door-locked state;

FIG. 14 is an enlarged view at D of FIG. 13;

fig. 15 is another state diagram of embodiment 3, corresponding to the door-locked state of fig. 13, which is in an unlocked state;

FIG. 16 is an enlarged view at D' of FIG. 15;

FIG. 17 is a schematic structural view of embodiment 4, in a door-locked state;

FIG. 18 is an enlarged view at E of FIG. 17;

fig. 19 is another state diagram of embodiment 4, corresponding to the door-locked state of fig. 17, which is in an unlocked state;

FIG. 20 is an enlarged view at E' of FIG. 19;

wherein the reference numerals are as follows:

1. a door closer;

2. a locking block;

3. a latch bolt;

4. a drive mechanism;

5. a guide rail;

6. locking the groove;

7. an auxiliary push block;

8. a cam;

9. a lock cylinder;

10. a power assist member;

11. an electromagnetic induction coil;

12. an electric motor;

13. an adsorption plate;

14. a core bar;

15. a limit switch;

16. fixing the movable block;

17. a deflector rod;

18. a door closer main body;

19. a rocker arm;

20. a slider;

21. an access control system;

22. a rotating shaft;

23. a bevel;

24. a wrench mounting end;

25. a limiting sheet;

26. a connecting rod;

DR, door;

DF. A door frame.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic view of an electric lock with a door closer applied to a door and a doorframe, and fig. 1 is a top view and a partial perspective view. The door closer 1 is installed between a door DR and a door frame DF, and the door DR is hinged with the side edge of the door frame DF. The door closer 1 comprises a door closer body 18, a rocker arm 19, a slider 20 and a guide rail 5, wherein the slider 20 is slidably arranged in the guide rail 5. The door closer body 18 is mounted on the door DR, the guide rail 5 is mounted on the top lower surface of the door frame DF, a slidable slider 20 is provided in the guide rail 5, the slider 20 is hinged to one end of a rocker arm 19, and the other end of the rocker arm 19 is hinged to the door closer body 18, so that the slider 20 is interlocked with the opening and closing of the door DR. The door closer body 18 accumulates energy during the opening of the door DR, and when the opening power of the door DR is removed, the door closer body 18 releases the accumulated energy by driving the swing arm 19 to swing, so that the door DR is closed.

The main installation position of the components that function to lock the door in the electric control lock with door closer of this example is indicated at a in fig. 1.

Fig. 2 is a perspective view (partially seen through) of a door and a door frame to which the present invention is applied. The electric control lock with the door closer of the embodiment 1 is adopted.

Example 1

Fig. 3 and 4 show an electric control lock with a door closer, in which the door closing function is concealed except for the guide rail 5. Fig. 4 is an enlarged view of fig. 3 at B. The door closer may employ a conventional variety of door closers employing a guide rail.

As shown in fig. 3, especially fig. 4, the guide rail 5 is provided with a fixed movable block 16, and before installation, the fixed movable block 16 is slidably adjusted in position in the guide rail 5 and is fixed by riveting or screwing after the adjustment. The fixed movable block 16 is rotatably provided with a lock tongue 3, the lock tongue 3 is installed on the fixed movable block 16 through a rotating shaft 22, and the outer end of the lock tongue 3 extends out of the guide rail 5. The other end of the bolt 3 relative to the outer end is provided with an adsorption plate 13 in a rotating way.

Still be provided with actuating mechanism 4 in the fixed movable block 16, electromagnetic induction coil 11 promptly, electromagnetic induction coil 11 sets up with adsorption plate 13 is corresponding to be used for attracting adsorption plate 13, and then drives spring bolt 3 clockwise rotation when attracting. The rotating shaft 22 is sleeved with a power assisting element 10, namely a torsion spring, the power assisting element 10 is connected with the bolt 3, and the power assisting element 10 assists the bolt 3 to rotate anticlockwise (after the electromagnetic induction coil 11 is powered off). The assisting element 10 can be omitted, and the lock tongue 3 can rotate anticlockwise to return (after the electromagnetic induction coil 11 is powered off) due to unbalanced gravity.

The electric control lock with the door closer further comprises a locking block 2, a locking groove 6 is formed in the locking block 2, the locking block 2 is installed on the upper portion of a door (see fig. 1 and 2), when at least one part of the bolt 3 is located in the locking groove 6, the door is locked, and when the bolt 3 is located outside the locking groove 6, the door is unlocked.

Referring to fig. 5 and fig. 6, fig. 5 corresponds to fig. 3, in fig. 3, the electromagnetic induction coil 11 is in a power-off state, and in fig. 5, the electromagnetic induction coil 11 is in a power-on state. Fig. 6 is an enlarged view at B' in fig. 5.

As shown in fig. 6, after the electromagnetic induction coil 11 is powered on, the electromagnetic induction coil 11 attracts the attraction plate 13 to drive the latch bolt 3 to rotate clockwise to unlock. In this embodiment, the adsorption plate 13 is rotatably connected to the latch 3, so that the adsorption plate 13 is attached to the electromagnetic coil 11, thereby improving the adsorption force during adsorption.

As shown in fig. 2, the electric control lock with a door closer of this embodiment further includes an access control system 21, the access control system 21 may adopt conventional unlocking modes such as fingerprint, password, face recognition, remote control, access card, and the like in the field, the access control system 21 is connected to the driving mechanism 4, and sends an instruction to energize the electromagnetic induction coil 11 after passing verification, so that the lock tongue 3 is separated from the lock groove 6 to unlock, as shown in fig. 6, the unlocking state.

In this embodiment, since the main components for performing the door locking function are integrated in the fixed movable block 16, the latch bolt 3, the electromagnetic induction coil 11, and the adsorption plate 13 can be pre-installed in the fixed movable block 16 and then installed in the guide rail 5, so that the installation is facilitated, the installation efficiency is improved, and the disassembly during the later maintenance is facilitated. Of course, the tongue 3, the electromagnetic coil 11, and the suction plate 13 may be directly attached to the guide rail 5 without providing the fixed movable block 16, as in embodiments 2 to 4 described later.

In order to realize unlocking in power failure or emergency, the manual unlocking mode is also provided in the embodiment.

As shown in fig. 4, an auxiliary pushing block 7 is further disposed in the lock slot 6, and the bolt 3 can be pushed away from the lock slot 6 by sliding the auxiliary pushing block 7. A cam 8 is further arranged in the lock groove 6, and the auxiliary push block 7 is pushed upwards by the rotation of the cam 8, so that the lock tongue 3 is pushed to be separated from the lock groove 6 (see fig. 6). In order to achieve unlocking by a key outside the door, the cam 8 is integrated into a lock cylinder 9, the lock cylinder 9 being arranged in the lock block 2. While inside the door, the key is not needed to rotate the cam 8 for unlocking. Fig. 7 and 8 are side views (sectional views) of fig. 3 and 5, respectively, with fig. 7 showing a locked state and fig. 8 showing an unlocked state, with the key cylinder 9 having a key mounting end 24 extending inwardly (i.e., to the left) of the door. A spanner wrench is mounted at wrench mounting end 24 and is unlockable within the door by rotating the spanner wrench.

As shown in fig. 7, in order to facilitate the door closing, the latch 3 is provided with an inclined surface 23, so that the upper edge of the door leaf drives the latch 3 to rotate and unlock the door by the door closing power of the door closer 1. Of course, the inclined surface 23 may not be provided, for example, by setting an access control system to delay power failure after unlocking, the door closer may be closed smoothly.

As described above, in the electric control lock with a door closer of the present embodiment, as shown in fig. 2, 4, and 6, the main components that perform the lock function are mounted on the guide rail 5 of the door closer 1, so that the automatic door closing and locking functions are simultaneously realized, and the structure is simplified. During construction, compared with the door closer and the electromagnetic lock which are respectively installed, the damage to the door is reduced, and the construction time is also reduced. In addition, under the door locking state, the electromagnetic induction coil 11 is in power-off state, so that electric energy is saved, and the energy saving effect is more obvious when the electromagnetic induction coil is used for normally closing the door. The embodiment realizes the door locking function through the compact structure of the bolt 3, the driving mechanism 4 and the locking block 2. In addition, various unlocking modes are realized by integrating the access control system 21 and the lock cylinder 9, so that the unlocking can be realized by using the conventional access control system modes such as fingerprints, passwords and access card swiping, and the unlocking can also be realized by using manual unlocking modes such as a key (outside a door) and a monkey wrench (inside a door) under the condition of power failure or emergency.

Example 2

As shown in fig. 9-12 for example 2. Fig. 9 and 11 are a door-locked state and an unlocked state, respectively, fig. 10 is an enlarged view at C of fig. 9, and fig. 12 is an enlarged view at C' of fig. 11.

As shown in fig. 10, the present example is different from embodiment 1 mainly in the structure of the drive mechanism 4.

As shown in fig. 10, the driving mechanism 4 of this embodiment includes a tubular electromagnetic induction coil 11, a core bar 14 is inserted into the electromagnetic induction coil 11, and the left end of the core bar 14 is connected to the tongue 3 through a link 26. In fig. 10, the electromagnetic coil 11 is in a power-off state, which is a door-locking state in which the latch 3 is located in the lock groove 6. As shown in fig. 12, when the electromagnetic induction coil 11 is energized by the door access control system, a magnetic field is generated in the electromagnetic induction coil 11, and the magnetic field drives the core rod 14 to move rightward, so that the locking bolt 3 is driven to disengage from the locking groove 6 to complete unlocking.

As shown in fig. 10 and 12, in order to assist the bolt 3 to return to the door locking state, an assisting element 10 is further provided, in this example, the assisting element 10 is a straight spring, and the assisting element 10 is connected between the right end of the core rod 14 and the electromagnetic induction coil 11. The booster 10 (straight spring) of fig. 12 is in a stretched state, as compared with the booster 10 (straight spring) of fig. 10. The power assisting element 10 acts on the bolt 3, namely indirectly connected with the bolt 3 and indirectly drives the bolt 3 to rotate anticlockwise and return. In other embodiments, the force assist member 10 may be replaced with an elastic body such as a rubber band.

In order to control the stroke of the core bar 14, as shown in fig. 10, a limiting piece 25 is further disposed on the core bar 14, as shown in fig. 12, when the limiting piece 25 abuts against the electromagnetic induction coil 11, the core bar 14 is limited from moving to the right.

The present example can produce substantially the same beneficial effects as embodiment 1, such as simple structure, less damage to the door during construction, short construction time, energy saving and realization of various unlocking modes.

Example 3

Fig. 13 and 15 show the door locked state and the unlocked state, respectively, as shown in embodiment 3 of fig. 13 to 16, fig. 14 is an enlarged view of fig. 13 at D, and fig. 16 is an enlarged view of fig. 15 at D'.

As shown in fig. 14, this embodiment is different from embodiment 1 mainly in the structure of the drive mechanism 4.

Referring to fig. 14, the driving mechanism 4 of this embodiment includes an electric motor 12, and an output end of the electric motor 12 is connected to the latch tongue 3 through a gear transmission member and a link 26, so as to drive the latch tongue 3 to rotate. The motor 12 converts the rotation of the shaft into a linear motion through a gear transmission, so as to pull the latch 3 to rotate, which is a conventional way but not easily conceivable for this example.

As shown in fig. 16, after receiving an unlocking instruction of the access control system, the motor 12 drives the latch bolt 3 to rotate clockwise to complete unlocking; and after the person passes through the door locking device, according to a door locking command of the access control system, the motor 12 drives the bolt 3 to rotate anticlockwise so as to lock the door. In order to control the rotation amplitude of the bolt 3, the limit switch 15 is further arranged in the embodiment, the touch end of the limit switch 15 is arranged in the moving path of the bolt 3, and when the bolt 3 rotates clockwise to a preset position, the limit switch 15 is triggered to cut off the power of the motor 12.

The present embodiment still can produce substantially the same beneficial effects as embodiment 1, such as simple structure, less damage to the door during construction, short construction time, energy saving and realization of various unlocking modes.

Example 4

Fig. 17 and 19 show the door locked state and the unlocked state, respectively, as shown in embodiment 4 of fig. 17 to 20, fig. 18 is an enlarged view of fig. 17 at E, and fig. 20 is an enlarged view of fig. 19 at E'.

Referring to fig. 18, the present embodiment differs from embodiment 1 mainly in the structure of the drive mechanism 4 and the structure of the latch tongue 3.

The driving mechanism 4 of this example still uses the electric motor 12, the output end of the electric motor 12 drives the shift lever 17 to rotate through the connecting rod 26, and the shift lever 17 drives the lock tongue 3 to slide up and down.

The bolt 3 of this example moves in a way of sliding up and down, and the bolt 3 of the previous examples 1-3 all move in a way of rotating. In the embodiment, the bolt 3 is assisted to return downwards by the aid of the power assisting element 10 (a straight spring), and the stroke of the bolt 3 is controlled by the limit switch 15.

The present embodiment also has substantially the same advantages as embodiment 1, such as simple structure, less damage to the door during construction, short construction time, energy saving, and various unlocking modes.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. An electric control lock with a door closer is characterized by comprising:

a door closer (1), the door closer (1) having a guide rail (5);

the lock comprises a lock block (2), wherein a lock groove (6) is formed in the lock block (2);

the lock tongue (3) is movably arranged on the guide rail (5);

the driving mechanism (4), the driving mechanism (4) is used for driving the bolt (3) to move;

the lock bolt (3) has a door locking state and an unlocking state, at least one part of the lock bolt (3) is positioned in the lock groove (6) in the door locking state, and the lock bolt (3) is positioned outside the lock groove (6) in the unlocking state.

2. An electrically controlled lock with a door closer according to claim 1, wherein: an auxiliary push block (7) is further arranged in the locking groove (6).

3. An electrically controlled lock with a door closer according to claim 1, wherein: and a cam (8) is also rotatably arranged in the lock groove (6).

4. An electrically controlled lock with a door closer according to claim 3, wherein: it also comprises a lock cylinder (9), the cam (8) being integrated on the lock cylinder (9).

5. An electrically controlled lock with a door closer according to claim 1, wherein: the lock tongue (3) is arranged on the guide rail (5) in a rotating or sliding manner.

6. An electrically controlled lock with a door closer according to claim 1, wherein: the spring bolt is characterized by further comprising a power assisting piece (10), wherein the power assisting piece (10) is one of a torsion spring, a straight spring and a rubber band, and the power assisting piece (10) is connected with the bolt (3).

7. An electrically controlled lock with a door closer according to claim 1, wherein: the driving mechanism (4) comprises an electromagnetic induction coil (11), an adsorption plate (13) is arranged on the bolt (3), and the electromagnetic induction coil (11) and the adsorption plate (13) are correspondingly arranged.

8. An electrically controlled lock with a door closer according to claim 7, wherein: the adsorption plate (13) is rotationally connected with the bolt (3).

9. An electrically controlled lock with a door closer according to claim 1, wherein: the driving mechanism (4) comprises an electromagnetic induction coil (11), a core bar (14) is connected to the bolt (3), and the core bar (14) penetrates through the electromagnetic induction coil (11).

10. An electrically controlled lock with a door closer according to claim 1, wherein: the driving mechanism (4) comprises a motor (12), and the output end of the motor (12) is connected with the bolt (3).

11. An electrically controlled lock with a door closer according to claim 1, wherein: the safety lock further comprises a limit switch (15), and the touch end of the limit switch (15) is arranged in the moving path of the lock bolt (3).

12. An electrically controlled lock with a door closer according to claim 1, wherein: it still includes access control system (21), access control system (21) with actuating mechanism (4) are connected.

13. An electrically controlled lock with a door closer according to claim 1, wherein: the novel safety lock is characterized by further comprising a fixed movable block (16), wherein the fixed movable block (16) is fixed in the guide rail (5), and the lock tongue (3) and the driving mechanism (4) are arranged on the fixed movable block (16).