CN108661450B - Safety lock with escape function - Google Patents
Safety lock with escape function Download PDFInfo
- Publication number
- CN108661450B CN108661450B CN201710192640.0A CN201710192640A CN108661450B CN 108661450 B CN108661450 B CN 108661450B CN 201710192640 A CN201710192640 A CN 201710192640A CN 108661450 B CN108661450 B CN 108661450B
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- control mechanism
- state
- stop
- plate
- handle
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
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- Lock And Its Accessories (AREA)
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Abstract
The invention discloses a safety lock with an escape function, which comprises an oblique bolt, an outer handle and an inner handle, and further comprises: a first control mechanism for controlling the rotation of the outer handle, wherein in a normal working state, the first control mechanism is in a locking state, in which the outer handle cannot be rotated, and when the first control mechanism receives a signal from the outer side of the door, the locking state of the first control mechanism can be released, so that the outer handle can be rotated; under the abnormal state, the first control mechanism is in a locking state; a second control mechanism for controlling the rotation of the inner handle, wherein in a normal working state, the second control mechanism is in a stop state, in which the inner handle cannot be rotated, and when the second control mechanism receives a signal from the inner side of the door, the stop state of the second control mechanism can be released, so that the inner handle can be rotated; in the abnormal state, the second control mechanism is in the non-stop state, and in the state, the inner handle can be rotated.
Description
Technical Field
The invention relates to a lockset, in particular to a safety lock with an escape function.
Background
At present, areas such as banks, archives, financial rooms, vaults and the like generally need bidirectional access control. Meanwhile, when emergency situations occur, such as power failure and fire disaster, and the internal and external access controls are invalid, people outside the door can not enter the door randomly, the door is still locked, and the door can be opened only by a key, so that economic or data loss is avoided; at the moment, people in the door can escape by opening the door at any time by rotating the handle in the door. The single tool to lock that realizes above-mentioned function simultaneously has the actual demand.
Disclosure of Invention
In order to solve the problems, the invention provides a simple, economical and practical safety lock with an escape function.
The safety lock with the escape function comprises an oblique tongue 2, an outer handle 3 and an inner handle 4, and further comprises:
a first control mechanism 6 for controlling the rotation of the outer handle 3, wherein in a normal working state, the first control mechanism 6 is in a locking state, in the locking state, the outer handle 3 can not be rotated, and after the first control mechanism 6 receives a signal from the outer side of the door, the locking state of the first control mechanism 6 can be released, so that the outer handle 3 can be rotated; in an abnormal state, the first control mechanism 6 is in a locking state;
a second control mechanism 7 for controlling the rotation of the inner handle 4, wherein in a normal working state, the second control mechanism 7 is in a stop state, in the stop state, the inner handle 4 cannot be rotated, and after the second control mechanism 7 receives a signal from the inner side of the door, the stop state of the second control mechanism 7 can be released, so that the inner handle 4 can be rotated; in the non-normal state, the second control mechanism 7 is in a non-stop state in which the inner handle 4 can be rotated.
The invention provides a safety lock with an escape function, which comprises a latch bolt 2, an outer handle 3, an inner handle 4, a stop device 5 and also comprises:
a first control mechanism 6 for controlling the rotation of the outer handle 3, wherein in a normal working state, the first control mechanism 6 is in a locking state, in the locking state, the outer handle 3 can not be rotated, and when the first control mechanism 6 receives a signal from the outer side of the door, the locking state of the first control mechanism 6 can be released, so that the outer handle 3 can be rotated; in an abnormal state, the first control mechanism 6 is in a locking state;
a second control mechanism 7 coupled with the stop device 5, wherein in a normal working state, the second control mechanism 7 is in a stop state, in the stop state, the stop device 5 can prevent the latch bolt 2 from retracting, and after the second control mechanism 7 receives a signal from the inner side of the door, the stop state of the second control mechanism 7 can be released, so that the stop device 5 can not prevent the latch bolt 2 from retracting; in the abnormal state, the second control mechanism 7 is in the non-stop state, and in the non-stop state, the stop device 5 does not prevent the retraction of the latch bolt 2.
Preferably, in a normal operating state, the first control mechanism 6 and the second control mechanism 7 are coupled, and when the first control mechanism 6 releases the locking state of the first control mechanism 6 after receiving a signal from the outside of the door, the second control mechanism 7 is in a non-stop state; when the second control mechanism 7 receives a signal from the inner side of the door to release the stop state of the second control mechanism 7, the first control mechanism 6 is in the non-locking state.
Further preferably, the first control mechanism 6 includes a normally open relay 61, an outer coil pipe 62, and an outer push plate 63; the second control mechanism 7 includes a normally closed relay 71, an internal solenoid 72, and an internal pusher plate 73.
More preferably, the security lock of the present invention further comprises a relay 8, the first control mechanism 6 comprises an outer solenoid 62 and an outer push plate 63; the second control mechanism 7 includes an inner solenoid 72 and an inner pusher plate 73; the first control mechanism 6 and the second control mechanism 7 are electrically connected with the relay 8, the first control mechanism 6 is electrically connected with the normally open terminal and the common terminal of the relay 8, and the second control mechanism 7 is electrically connected with the normally closed terminal and the common terminal of the relay 8.
Preferably, the security lock of the present invention further comprises a lock cylinder 1, and rotation of the lock cylinder 1 can extend or retract the latch bolt 2.
Preferably, the inner handle 4 has an inner handle turn piece 41 and the outer handle 3 has an outer handle turn piece 31.
Preferably, the inner handle turn piece 41 and the outer handle turn piece 31 are coaxially disposed. It will be appreciated that the inner and outer handles may be rotatable independently of each other.
Preferably, the outer handle turning member 31 is provided with a recess 32 capable of receiving the outer push plate 63, and when the outer push plate 63 is inserted into the recess 32, the first control mechanism 6 is in a latched state, and the outer handle 3 cannot be turned.
Preferably, the stop device 5 comprises a stop plate 51 and a rotating plate 52 pivotally and rotatably fixed on the lock case, when the inner pushing plate 73 is retracted, the rotating plate 52 prevents the stop plate 51 from sliding downwards, the latch tongue 2 cannot be retracted due to the stop of the stop plate 51, so that the second control mechanism 7 is in a stop state, when the inner pushing plate 73 is extended, the rotating plate 52 does not prevent the stop 51 from sliding downwards, and the sliding downwards of the stop plate 51 allows the latch tongue 2 to be retracted, so that the second control mechanism 7 is in a non-stop state.
The invention also provides a safety lock with an escape function, which comprises an oblique tongue, an outer handle and an inner handle, and further comprises: a first control mechanism for controlling the rotation of the outer handle, wherein in a normal working state, the first control mechanism is in a locking state, in the locking state, the outer handle cannot rotate, and after the first control mechanism receives a signal from the outer side of the door, the locking state can be released, so that the outer handle can rotate; under the abnormal state, the first control mechanism is in a locking state; a second control mechanism for controlling the rotation of the inner handle, wherein in a normal working state, the second control mechanism is in a locking state, in the locking state, the inner handle cannot rotate, and after receiving a signal from the inner side of the door, the second control mechanism can release the locking state to enable the inner handle to rotate; in the abnormal state, the second control mechanism is in a locking state.
Preferably, the inner handle has an inner handle turn piece and the outer handle has an outer handle turn piece. The inner handle turn piece and the outer handle turn piece are coaxially disposed. It will be appreciated that the inner and outer handles may be rotatable independently of each other.
Preferably, the first control mechanism includes a relay, an outer solenoid, and an outer push plate; the second control mechanism comprises a relay, an internal solenoid and an internal pushing plate.
Preferably, the outer handle rotating part is provided with a first groove capable of receiving the outer push plate, when the outer push plate extends into the first groove, the first control mechanism is in a locking state, and the outer handle cannot rotate; the inner handle rotating piece is provided with a second groove capable of accommodating the inner pushing plate, when the inner pushing plate extends into the second groove, the second control mechanism is in a clamping state, and the inner handle cannot rotate.
It is understood that the latch tongue may be replaced with an art-recognized latch tongue; the stop plate can also be a square tongue plate.
It will be understood that the normal state of the present invention refers to the state when the lock body has been installed in the door and is powered for normal use. The abnormal state refers to the situation that the lock body which is normally used and arranged on the door is powered off in emergency situations such as fire and the like.
The security lock realizes that the card needs to be swiped inside and outside the door in a normal state, namely when the power is on, the oblique tongue can retract by rotating the inner handle and the outer handle, namely the door is opened; under abnormal conditions, when cutting off the power supply, for example, emergency such as conflagration, the outer handle lock of door dies, can not open the door, only can open the door through the lock core, and the interior handle of door can also rotate, opens the door at any time and flees.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 4 is a schematic view of a door closing state of a security lock with a relay according to the present invention;
FIG. 5 is a schematic view of a security lock with a relay according to the present invention in a normal state when the door is opened;
FIG. 6 is a schematic diagram of a security lock with a relay according to the present invention in an abnormal state.
FIG. 7 is an enlarged view of a portion of the stop plate and the rotation plate of one embodiment of the present invention;
the labels in the figure are as follows:
1 Lock core
2 oblique tongue
3 outer handle
31 outer handle rotating piece
32 grooves
4 inner handle
41 inner handle rotating piece
5 stop device
51 stop plate
511 pin
52 rotating plate
6 first control mechanism
61 normally open relay
62 external thread pipe
63 outer push plate
7 second control mechanism
71 normally closed relay
72 internal solenoid
73 inner pushing plate
8 Relay
A lock tongue driving medium
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the present invention, the structure of the lock core, the latch bolt, etc. and the operation of the lock core if controlling the movement of the latch bolt, etc. are well known in the art, and will not be described herein.
Fig. 1 shows a schematic structural diagram of an embodiment of the present invention. The security lock comprises a latch bolt 2, an outer handle 3, an inner handle 4, a stop device 5, a first control mechanism 6 and a second control mechanism 7. The outer handle 3 and the inner handle 4 may control the extension or retraction of the latch tongue 2 by techniques known in the art. The lock cylinder 1 may also control the extension or retraction of the latch tongue 2 by techniques known in the art. The first control means 6 can control the outer handle 3, either in a latched state of the outer handle 3, which cannot be rotated, or in an unlatched state of the outer handle 3, which can be rotated. In the normal operating state, the first control means 6 bring the outer handle 3 into a latched state, which cannot be rotated. It can be understood that in normal operation, the door cannot be opened directly by the outside handle outside the door. The first control mechanism 6 enables the outer handle 3 to be turned upon receiving a signal from the outside of the door. It can be understood that in normal operation, after the door is opened by a punch card, the door can be opened by the outer handle. In an abnormal situation, i.e. in the event of a power failure, such as an emergency situation like a fire, the first control means 6 brings the outer handle 3 into a latched state, in which it cannot be rotated. That is, in the case of power failure, the door cannot be opened by the outside handle from the outside of the door.
The stop means 5 are able to prevent the retraction of the latch tongue 2, the second control mechanism 7 being coupled to the stop means 5. In a normal working state, the second control mechanism 7 enables the stop device 5 to be in a stop state, and prevents the latch bolt 2 from retracting. When the second control mechanism 7 receives a signal from the inside of the door, the stop state of the stop device 5 can be released, so that the retraction of the latch tongue 2 is not prevented. It will be appreciated that in normal operating conditions, it is not possible to open the door directly from the inside door by means of the inside handle. In an abnormal situation, i.e. in the event of a power failure, such as an emergency situation, for example a fire, the second control mechanism 7 puts the stop device 5 in an out-of-stop state, which does not prevent the retraction of the latch bolt 2. That is, in the event of a power outage, the door may be opened by the inside handle within the door.
The default setting of the first control means 6 in the normal power-on or power-off situation is to place the outer handle 3 in the latched state. The second control means 7 sets the detent device 5 to the detent state in the normal power-on condition, and sets the detent device 5 to the non-detent state in the power-off condition.
Preferably, the first control means 6 and the second control means 7 are coupled to each other, the second control means 7 bringing the stop means 5 into the non-stop condition when the first control means 6 brings the outer handle 3 into the non-latched condition after receiving a signal from the outside of the door; when the second control mechanism 7 receives a signal from the inner side of the door to make the stop device 5 in a non-stop state, the first control mechanism 6 makes the outer handle 3 in a non-locking state.
Fig. 2 shows a schematic structural diagram of another embodiment of the present invention. Another security lock according to the invention comprises a latch bolt 2, an outer handle 3, an inner handle 4, a first control mechanism 6 and a second control mechanism 7. The outer handle 3 and the inner handle 4 may control the extension or retraction of the latch tongue 2 by techniques known in the art. The lock cylinder 1 may also control the extension or retraction of the latch tongue 2 by techniques known in the art. The first control means 6 can control the outer handle 3, either in a latched state of the outer handle 3, which cannot be rotated, or in an unlatched state of the outer handle 3, which can be rotated. In the normal operating state, the first control means 6 bring the outer handle 3 into a latched state, which cannot be rotated. It can be understood that in normal operation, the door cannot be opened directly by the outside handle outside the door. The first control mechanism 6 enables the outer handle 3 to be turned upon receiving a signal from the outside of the door. It can be understood that in normal operation, after the door is opened by a punch card, the door can be opened by the outer handle. In an abnormal situation, i.e. in the event of a power failure, such as an emergency situation like a fire, the first control means 6 brings the outer handle 3 into a latched state, in which it cannot be rotated. That is, in the case of power failure, the door cannot be opened by the outside handle from the outside of the door.
The second control mechanism 7 can control the rotation of the inner handle 4, under the normal working condition, the second control mechanism 7 is in the stop state, under the stop state, the inner handle 4 can not be rotated, and after the second control mechanism 7 receives the signal from the inner side of the door, the stop state of the second control mechanism 7 can be released, thereby enabling the inner handle 4 to be rotated; in the abnormal state, the second control mechanism 7 is in the non-stop state in which the inner handle 4 can be rotated
Fig. 3 shows an internal structure diagram of an embodiment of the present invention. As shown, the first control mechanism 6 includes a normally open relay 61, an outer coil 62, and an outer push plate 63. The normally open relay 61 keeps the outer coil 62 extended at all times during normal power-on conditions and during power-off conditions. The extended outer solenoid 62 allows the outer push plate 63 to extend into the outer handle recess one 32 so that the door cannot be opened directly through the outer handle 3 from the outside of the door under normal power conditions and under power off conditions. This state is the latched state of the first control means 6 or the outer handle 3.
When the first control mechanism 6 receives a signal from the outside of the door, the outer coil pipe 62 is electrically retracted, so that the outer push plate 63 is retracted from the first recess 32 of the outer handle, and the outer handle 3 can be rotated. This state is the unlocked state of the first control member 6 or the outer handle 3.
The second control mechanism 7 includes a normally closed relay 71, an internal solenoid 72, and an internal pusher plate 73. The stop device 5 comprises a stop plate 51 and a rotating plate 52. The inner push plate 73 is connected to the rotating plate 52, and the rotating plate 52 is rotatably fixed to the lock case. When the inner pushing plate 73 extends or retracts, the rotating plate 52 can be driven to rotate.
In a normal working state, the normally closed relay 71 is in a closed state, the inner solenoid 72 is in a retracted state, and at this time, one end of the rotating plate 52 is located below the stop plate 51 to prevent the stop plate 51 from retracting. This state is the latched state of the second control means 7 or the locking device 5.
In an abnormal state, i.e., in the event of power failure, such as an emergency situation like a fire, or when the second control mechanism 7 receives a signal from the inside of the door, the inner solenoid 72 is extended, so that the inner push plate 73 is also extended. The extension of the inner push plate 73 causes the rotation plate 52 to rotate a certain angle and away from under the stop plate 51. So that the stopper plate 51 can be retracted. In this case, the stop action of the stop plate 51 on the latch tongue is lost, and the latch tongue 2 can be retracted. This state is the unlocked state of the second control means 7 or of the locking device 5.
The states shown in FIG. 3 are the non-latched state and the unlatched state. In this state, the inner solenoid 72 and the inner push plate 73 of the first control mechanism 6 are both retracted, and the inner push plate 73 is out of the first groove 32 of the outer handle, so that the outer handle 3 can be rotated to open the door. The inner solenoid 72 and the inner pushing plate 73 of the second control mechanism 7 are extended, and the rotating plate 52 rotates a certain angle and leaves the position-stopping plate 51. At this time, the stopper plate 51 can be pushed back without blocking the pushing back of the latch tongue 2.
Fig. 4 shows a schematic diagram of the security lock with relay according to the present invention installed in a normal state without opening the door. The first control mechanism 6 connects the normally open terminal of the relay 8 and the common terminal. At this time, the outer solenoid 62 of the first control mechanism 6 is not energized, and the outer push plate 63 is in the extended state all the time. The outer push plate 63 in the extended state extends into the first recess 32 of the outer handle 3, so that the door cannot be opened directly through the outer handle 3 outside the door.
The second control mechanism 7 connects the normally closed terminal of the relay 8 and the common terminal. At this time, the inner solenoid 72 of the second control mechanism 7 is energized and contracted, and the inner push plate 73 is in the retracted state. The retracted inner push plate 73 pulls one end of the rotating plate 52 to the left (or rotates clockwise), and the other end of the rotating plate 52 is located below the stopper plate 51 to block the stopper plate 51 from going down. At this time, the latch bolt cannot be retracted to open the door by rotating the inner handle 4.
FIG. 5 is a schematic view of a security lock with a relay according to the present invention in a normal state; when the door is being tapped outside or inside, the outer solenoid 62 of the first control mechanism 6 is energized, while the inner solenoid 72 of the second control mechanism 7 is not energized. At this time, the outer coil pipe 62 is energized to retract the outer push plate 63 of the handle to retract and leave the first recess 32 of the outer handle 3, and the door can be opened directly through the outer handle 3 at the outside of the door. The inner solenoid 72 of the second control mechanism 7 is not powered on, the inner pushing plate 73 extends out under the action of the spring, one end of the rotating plate 52 is pushed to the right side (or rotates counterclockwise) by the extended inner pushing plate 73, the other end of the rotating plate 52 leaves the lower part of the stop plate 51 and does not block the downward movement of the stop plate 51, and at the moment, the inner handle 4 can be rotated to retract the latch bolt to open the door.
Fig. 6 is a schematic diagram showing the abnormal state of the security lock with the relay according to the present invention. When the entire lock body is de-energized, the outer solenoid 62 of the first control mechanism 6 is not energized and the outer throw plate 63 is always in the extended state. The outer push plate 63 in the extended state extends into the first groove 32 of the outer handle 3, so that the door cannot be opened directly through the outer handle 3 outside the door; the inner solenoid 72 of the second control mechanism 7 is not powered on, the inner pushing plate 73 extends out under the action of the spring, one end of the rotating plate 52 is pushed to the right side (or rotates counterclockwise) by the extended inner pushing plate 73, the other end of the rotating plate 52 leaves the lower part of the stop plate 51 and does not block the downward movement of the stop plate 51, and at the moment, the inner handle 4 can be rotated to retract the latch bolt to open the door.
FIG. 7 shows a close-up view of the stop plate and the rotating plate according to an embodiment of the present invention. The bolt drive a is located behind the latch bolt 2 and the stop plate 51, i.e. in the area between the latch bolt 2 and the stop plate 51 and the side lock housing. A pin 511 is arranged below the bolt driving element a, the bolt driving element a can drive the stop plate 51 to move downwards through the pin 511, and the bolt driving element a can also push a sheet metal part on the oblique bolt rod to pull the bolt back into the lock body.
The above embodiments are described by way of example only. Various modifications are possible without departing from the scope of protection of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a function safety lock of fleing in area, its includes latch bolt (2), outer handle (3), interior handle (4), end position device (5), its characterized in that still includes:
a first control mechanism (6) for controlling the rotation of the outer handle (3), wherein in a normal working state, the first control mechanism (6) is in a locking state, in the locking state, the outer handle (3) cannot be rotated, and after the first control mechanism (6) receives a signal from the outer side of the door, the locking state of the first control mechanism (6) can be released, so that the outer handle (3) can be rotated; in an abnormal state, the first control mechanism (6) is in a locking state;
a second control mechanism (7) coupled with the stop device (5), wherein in a normal working state, the second control mechanism (7) is in a stop state, in the stop state, the stop device (5) can prevent the latch bolt (2) from retracting, and after the second control mechanism (7) receives a signal from the inner side of the door, the stop state of the second control mechanism (7) can be released, so that the stop device (5) can not prevent the latch bolt (2) from retracting; in the abnormal state, the second control mechanism (7) is in the abnormal state, the stop device (5) can not prevent the retraction of the latch bolt (2), wherein, in the normal working state, the first control mechanism (6) and the second control mechanism (7) are coupled, when the first control mechanism (6) releases the locking state of the first control mechanism (6) after receiving a signal from the outer side of the door, the second control mechanism (7) is in the abnormal state; when the second control mechanism (7) receives a signal from the inner side of the door to release the stop state of the second control mechanism (7), the first control mechanism (6) is in a non-locking state.
2. A security lock according to claim 1, wherein the first control mechanism (6) comprises a normally open relay (61), an outer solenoid (62) and an outer push plate (63); the second control mechanism (7) comprises a normally closed relay (71), an inner solenoid (72) and an inner push plate (73).
3. The security lock according to claim 1, wherein the security lock further comprises a relay (8),
the first control mechanism (6) includes an outer solenoid (62) and an outer push plate (63); the second control mechanism (7) comprises an inner solenoid (72) and an inner pushing plate (73);
the first control mechanism (6) and the second control mechanism (7) are electrically connected with the relay (8), the first control mechanism (6) is electrically connected with a normally open terminal and a common terminal of the relay (8), and the second control mechanism (7) is electrically connected with a normally closed terminal and a common terminal of the relay (8).
4. A security lock according to claim 1, further comprising a lock cylinder (1), the latch bolt (2) being extendable or retractable by turning the lock cylinder (1).
5. A security lock according to claim 1, wherein the inner handle (4) has an inner handle turn piece (41) and the outer handle (3) has an outer handle turn piece (31).
6. A security lock according to claim 5, wherein the inner handle turn piece (41) and the outer handle turn piece (31) are arranged coaxially.
7. A security lock according to claim 5, wherein the outer handle turn piece (31) is provided with a recess (32) adapted to receive the outer throw plate (63), and wherein the first control means (6) is latched when the outer throw plate (63) is received in the recess (32) and the outer handle (3) cannot be turned.
8. A security lock according to claim 3, wherein the stop means (5) comprises a stop plate (51) and a rotatable plate (52) pivotally secured to the housing, the rotatable plate (52) preventing the stop plate (51) from sliding down when the inner pusher plate (73) is retracted, the latch bolt (2) being prevented from being retracted by the stop plate (51) thereby to place the second control mechanism (7) in the stop position, the rotatable plate (52) not preventing the stop plate (51) from sliding down when the inner pusher plate (73) is extended, the sliding down of the stop plate (51) allowing the latch bolt (2) to be retracted thereby to place the second control mechanism (7) in the non-stop position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192640.0A CN108661450B (en) | 2017-03-28 | 2017-03-28 | Safety lock with escape function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710192640.0A CN108661450B (en) | 2017-03-28 | 2017-03-28 | Safety lock with escape function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108661450A CN108661450A (en) | 2018-10-16 |
| CN108661450B true CN108661450B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710192640.0A Active CN108661450B (en) | 2017-03-28 | 2017-03-28 | Safety lock with escape function |
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| CN (1) | CN108661450B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127399A1 (en) * | 2013-02-20 | 2014-08-28 | D & D Group Pty Ltd | Gate latch assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5230866B2 (en) * | 2008-04-22 | 2013-07-10 | アルファーデザイン株式会社 | Door knob device |
| CN205370159U (en) * | 2015-12-03 | 2016-07-06 | 陕西云智知识产权运营管理有限公司 | Prevent electromechanical lock of cat eye stealing |
| CN205476944U (en) * | 2016-01-11 | 2016-08-17 | 厦门华数电力科技有限公司 | Intelligent door lock |
| CN205777982U (en) * | 2016-05-26 | 2016-12-07 | 广东京奥信息科技有限公司 | A kind of mechanical type anti-power failure door-control lock |
| CN106522656B (en) * | 2016-11-18 | 2018-12-25 | 金陵科技学院 | Smart lock without carrying keys is met an urgent need with Hard link to be locked |
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2017
- 2017-03-28 CN CN201710192640.0A patent/CN108661450B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127399A1 (en) * | 2013-02-20 | 2014-08-28 | D & D Group Pty Ltd | Gate latch assembly |
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| CN108661450A (en) | 2018-10-16 |
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