CN113153018B - Fireproof intelligent lock supporting emergency escape - Google Patents
Fireproof intelligent lock supporting emergency escape Download PDFInfo
- Publication number
- CN113153018B CN113153018B CN202110356531.4A CN202110356531A CN113153018B CN 113153018 B CN113153018 B CN 113153018B CN 202110356531 A CN202110356531 A CN 202110356531A CN 113153018 B CN113153018 B CN 113153018B
- Authority
- CN
- China
- Prior art keywords
- temperature sensing
- transmission shaft
- inner panel
- shaft
- outer panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 27
- 239000011358 absorbing material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005058 metal casting Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/10—Locks or fastenings for special use for panic or emergency doors
- E05B65/104—Locks or fastenings for special use for panic or emergency doors actuated in response to heat, e.g. with fusible element, bimetal, memory shape or swelling material
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- 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
-
- 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
- E05B47/0665—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially
- E05B47/0673—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially with a rectilinearly moveable blocking element
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/002—Faceplates or front plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a fireproof intelligent lock supporting emergency escape, which relates to the technical field of intelligent locks and comprises the following components: the lock body is assembled on the side surface of the door body; an outer panel portion fitted to an outdoor side of the door body; an inner panel portion fitted to an indoor side of the door body; the outer panel part and the inner panel part are in motion transmission through square steel and a transmission shaft; the clutch module is arranged in the outer panel part, the temperature sensing mechanical part is arranged in the inner panel part, two ends of the transmission shaft are respectively connected with the clutch module and the temperature sensing mechanical part, and the transmission shaft is driven to rotate through the temperature sensing mechanical part so as to drive the clutch module to unlock. The intelligent lock is novel in structure, and the life and property loss brought to people due to the fact that rapid opening cannot be effectively realized is fundamentally avoided under emergency situations such as fire or explosion by applying the intelligent lock.
Description
Technical Field
The invention relates to the technical field of intelligent locks, in particular to a fireproof intelligent lock supporting emergency escape.
Background
Along with the continuous injection of the high and new technology to the traditional lockset, the security function of the lockset is fully extended and expanded, and the position and the function of the lockset are that any mechanical lockset cannot be replaced.
However, when a sudden fire disaster happens, the semiautomatic intelligent lock in the prior art only has the escape function of the quick unlocking function of the indoor handle, if an indoor escape person has accidents such as asphyxia, coma, fall and the like before the door is opened, the indoor escape person cannot quickly escape in a short time, or under the condition that no person is in the room, the outdoor rescue person cannot quickly enter the door; although the forced technical specification of the intelligent lock requires that the intelligent lock must have an emergency key unlocking function, the emergency key is not carried about in general, and if an electric control component fails due to high temperature, even if a legal owner arrives at the scene, the intelligent lock capable of supporting outdoor quick door opening through a mechanical linkage mode is extremely important.
The existing intelligent lock has the defects when dealing with fire disaster: as shown in fig. 1 and 2, when a fire occurs indoors, the electric control part of the intelligent lock fails due to high temperature, the motor assembly 300 cannot receive the action signal, the motor push rod 500 does not act, the thimble 200 does not move, the thimble 200 cannot be inserted into the slotted hole on the side surface of the square steel connecting shaft 400, the outdoor handle cannot drive the square steel connecting shaft 400 to rotate through the rotating shaft 100, and the outdoor handle cannot realize door opening.
Disclosure of Invention
The invention provides a fireproof intelligent lock supporting emergency escape, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a fire protection smart lock supporting emergency escape, comprising: the lock body is assembled on the side surface of the door body;
an outer panel portion fitted to an outdoor side of the door body; an inner panel portion fitted to an indoor side of the door body; the outer panel part and the inner panel part are in motion transmission through square steel and a transmission shaft; the clutch module is arranged in the outer panel part, the temperature sensing mechanical part is arranged in the inner panel part, two ends of the transmission shaft are respectively connected with the clutch module and the temperature sensing mechanical part, and the transmission shaft is driven to rotate through the temperature sensing mechanical part so as to drive the clutch module to unlock.
Further, the clutch module includes: the rotating shaft is connected with the handle; the thimble is riveted in the side hole of the rotating shaft and has a sliding function in the side hole of the rotating shaft; the motor component is arranged in the outer panel and is provided with a sliding guide groove, and can slide up and down in the outer panel so as to drive the thimble to realize the up and down sliding function; the square steel connecting shaft is assembled and placed in the positioning step hole of the rotating shaft, and is in one-way free axial relation with the rotating shaft and meshed in the other direction, so that the clutch module can conveniently realize lifting and back locking in a door closing state, and the aim of locking the door is fulfilled by pressing down and idling; the eccentric wheel, the one end of eccentric wheel is assembled on the fixed column shaft hole of outer panel, and the other end carries out axial and radial fixed through the locating hole on the outer mounting panel, and eccentric wheel axle center is provided with a square first transmission shaft mounting hole, and the one end of transmission shaft inserts in first transmission shaft mounting hole.
Further, the temperature sensing mechanical component includes: the lever is a lever with stepped shafts at two ends and comprises a driving arm and a driven arm, the driving arm and the driven arm form an included angle of 90 degrees, the inner side surface of the driven arm is provided with a conical concave table, one end of a fixed shaft provided with a second transmission shaft mounting hole is mounted on a shaft hole of a fixed column of the inner panel, the other end of the fixed shaft is axially and radially fixed through a positioning hole on the inner mounting plate, a transmission shaft is arranged in the second transmission shaft mounting hole, and the driven arm is supported by the conical concave table and the temperature-sensing glass beads; one end of the driving arm is provided with a tension spring which is fixed with the inner panel, so that a balance relation between the driving arm and the driven arm relative to the axle center is formed; the lever has a rotation function, the driving arm and the driven arm are unbalanced in stress, and the lever can drive the transmission shaft to rotate around the axis.
Further, both ends of the temperature sensing glass bead are conical, the inside is hollow, the temperature sensing glass bead is arranged in the inner panel temperature sensing glass bead mounting groove, the temperature sensing glass bead mounting groove is filled with a temperature sensing heat absorbing material, one end of the temperature sensing glass bead is inserted into the conical concave table on the side surface of the lever driven arm to support, and the other end of the temperature sensing glass bead is supported in the inner panel inner limiting groove.
Further, one end of the tension spring is fixed in the inner panel through the fixed gasket, and the other end of the tension spring is hung on the lever driving arm.
Compared with the prior art, the invention has the following beneficial effects:
The intelligent lock is novel in structure, and the life and property loss brought to people due to the fact that rapid opening cannot be effectively realized is fundamentally avoided under emergency situations such as fire or explosion by applying the intelligent lock.
Drawings
Fig. 1 is a schematic structural diagram of a smart lock in the background of the invention.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a schematic view of a fire protection smart lock supporting emergency escape according to the present invention.
Fig. 4 is a schematic structural view of an outer panel portion of a fire-resistant smart lock supporting emergency escape according to the present invention.
Fig. 5 is a B-B cross-sectional view of fig. 4.
Fig. 6 is a schematic structural view of a temperature sensing mechanical part of a fire protection smart lock supporting emergency escape according to the present invention.
Fig. 7 is a schematic structural view of a clutch module of a fireproof intelligent lock supporting emergency escape according to the present invention.
Fig. 8 is a schematic view of the structure of an inner panel portion of a fire protection smart lock supporting emergency escape according to the present invention.
Fig. 9 is a C-C cross-sectional view of fig. 8.
Fig. 10 is a schematic structural view of a temperature sensing mechanical part of a fire protection smart lock supporting emergency escape according to the present invention.
Fig. 11 is a schematic diagram of the operation of the temperature sensing mechanism of a fire protection smart lock supporting emergency escape according to the present invention.
Fig. 12 is a schematic diagram of the clutch module of the fire-proof intelligent lock supporting emergency escape according to the present invention.
Fig. 13 is an enlarged view of the closed state of the intelligent lock (the ejector pin is not inserted into the square steel connecting shaft and is in a free state) of the fireproof intelligent lock supporting emergency escape.
Fig. 14 is an enlarged view of an opened state of an intelligent lock (a thimble is inserted into a square steel connecting shaft to be in a normally opened state) of a fireproof intelligent lock supporting emergency escape according to the present invention.
The marks in the figure: the door comprises a door body, a lock body, an outer panel part, a square steel 4-part, a transmission shaft 5-part, an inner panel part 6-part, a mounting accessory 7-part, a rotating shaft 8-part, a thimble 9-part, a motor assembly 10-part, a square steel 11-part connecting shaft 12-part, a motor push rod 13-part, an eccentric wheel 14-part, a first transmission shaft mounting hole 15-part, an outer mounting plate 16-part, a lever 17-part, a second transmission shaft mounting hole 18-part, a fixing gasket 19-part, a temperature-sensitive glass bead 20-part, a tension spring 21-part, a temperature-sensitive glass bead mounting groove 22-part, a square steel 23-part connecting shaft groove and a conical concave 24-part.
Detailed Description
As shown in fig. 3 to 14, a fireproof smart lock supporting emergency escape, comprising: the lock body 2 is assembled on the side surface of the door body 1;
As shown in fig. 3 to 6, the outer panel portion 3 is fitted to the outdoor side of the door body 1; an inner panel portion 6, the inner panel portion 6 being fitted to the indoor side of the door body 1; the outer panel part 3 and the inner panel part 6 are fixed outside and inside the door body 1 through mounting accessories 7 (connecting pipes and screws) in the assembly process, and the motion transmission is carried out through the square steel 4 and the transmission shaft 5. The clutch module is arranged in the outer panel part 3, the temperature sensing mechanical part is arranged in the inner panel part 6, two ends of the transmission shaft 5 are respectively connected with the clutch module and the temperature sensing mechanical part, and the transmission shaft 5 is driven to rotate through the temperature sensing mechanical part so as to drive the clutch module to unlock.
As shown in fig. 7-9, the clutch module includes: the rotating shaft 8 is connected with the handle, and the rotating shaft 8 has a rotating function; the thimble 9 is riveted in a side hole of the rotating shaft 8, and the thimble 9 has a sliding function in the side hole of the rotating shaft 8; the motor assembly 10 is arranged in the outer panel, and the motor assembly 10 is provided with a sliding guide groove which can slide up and down in the outer panel so as to drive the thimble 9 to realize the up and down sliding function; the square steel connecting shaft 11, the square steel connecting shaft 11 is a three-step cylindrical metal casting with a groove on the circumferential surface of the matched end, the square steel connecting shaft 11 is assembled and placed in a positioning step hole of the rotating shaft 8, and the axial relation of unidirectional free and meshing in the other direction is realized with the rotating shaft 8, so that the clutch module can conveniently realize lifting and back locking in a door closing state, and the aim of locking a door is fulfilled by pressing down and idling. The eccentric wheel 13, the eccentric wheel 13 is a metal casting with stepped shafts at two ends and a square hole in the middle, one end of the eccentric wheel 13 is assembled on the shaft hole of the outer panel fixing column, the other end of the eccentric wheel 13 is axially and radially fixed through a positioning hole on the outer mounting plate 15, a square first transmission shaft mounting hole 14 is arranged on the shaft center of the eccentric wheel 13, one end of the transmission shaft 5 is inserted into the first transmission shaft mounting hole 14, and the eccentric wheel 13 can synchronously rotate along with the rotation of the transmission shaft 5.
In this embodiment, the temperature sensing mechanical component includes: the lever 16 is a lever 16 with stepped shafts at two ends and comprising a driving arm and a driven arm, the driving arm and the driven arm form an included angle of 90 degrees, the inner side surface of the driven arm is provided with a conical concave table 24, one end of a fixed shaft provided with a second transmission shaft mounting hole 17 is mounted on a shaft hole of an inner panel fixing column, the other end of the fixed shaft is axially and radially fixed through a positioning hole on an inner mounting plate 22, a transmission shaft 5 is arranged in the second transmission shaft mounting hole 17, and the driven arm is supported by the conical concave table 24 and a temperature sensing glass bead 19; one end of the driving arm is provided with a tension spring 20 which is fixed with the inner panel, one end of the tension spring 20 is fixed in the inner panel through a fixed gasket 18, and the other end is hung on the driving arm of the lever 16. Forming a balance relation between the driving arm and the driven arm relative to the axle center; the lever 16 has a rotation function, the driving arm and the driven arm are unbalanced in stress, and the lever 16 can drive the transmission shaft 5 to rotate around the axis.
Both ends of the temperature sensing glass bead 19 are conical, the inside is hollow, the temperature sensing glass bead 19 is arranged in the inner panel temperature sensing glass bead mounting groove 21, the temperature sensing glass bead mounting groove 21 is filled with a temperature sensing heat absorbing material, one end of the temperature sensing glass bead 19 is inserted into a conical concave table 24 on the side surface of a driven arm of the lever 16 for supporting, and the other end of the temperature sensing glass bead 19 is supported in a limiting groove in the inner panel.
A temperature sensing mechanical part is added on the inner panel of the intelligent lock, when a fire disaster happens, the indoor temperature can be quickly increased to an abnormal state, the inner panel and the inner surface thereof are heated, the temperature sensing heat absorbing material in the temperature sensing glass bead mounting groove 21 quickly absorbs heat and transfers the heat to the temperature sensing glass bead 19, when the temperature sensing glass bead 19 reaches the bursting value (57C degrees), the temperature sensing glass bead 19 bursts, the inner panel lever 16 mechanism loses support, the temperature sensing mechanical part starts to act under the pulling force of the tension spring 20, the lever 16 starts to rotate after losing support, the acting lever 16 of the tension spring 20 starts to rotate (the rotating direction A is shown in fig. 11), and simultaneously, the transmission shaft 5 arranged in the second transmission shaft mounting hole 17 is driven to synchronously rotate, as shown in fig. 7, in this way, the rotating force is transferred from the inner panel part 6 to the outer panel part 3 through the door body 1 by the transmission shaft 5.
When the rotating force is transmitted to the outer panel part 3, under the action of the transmission shaft 5, the eccentric wheel 13 is driven to rotate along the direction B shown in fig. 12, the eccentric wheel 13 rotates, the motor assembly 10 is pushed to move along the direction C, after the motor assembly 10 moves upwards, the motor push rod 12 pushes the thimble 9 to move towards the axis of the clutch assembly, the thimble 9 is inserted into the groove of the square steel connecting shaft 11, the square steel connecting shaft 11 and the clutch rotating shaft 8 realize the fixation in the circumferential direction (as shown in fig. 14), the intelligent lock outer handle is rotated in the state, the square steel connecting shaft 11 can be rotated, and the square steel 4 is driven to drive the lock tongue embedded in the door leaf inner lock body 2 to unlock (normally, the outer panel handle is in a free state, the square steel connecting shaft 11 is free to rotate in a single direction in the clutch rotating shaft 8, and the outer handle cannot unlock is rotated, so as to realize the aim of quick unlocking and rescue of external rescue workers.
The motor push rod 12 is a part of the motor assembly 10, and can be independently moved by the motor belt action push rod or synchronously moved along with the movement of the motor assembly 10.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. A support fire prevention intelligence lock of urgent escape, its characterized in that: comprising the following steps:
the lock body (2), the lock body (2) is assembled on the side surface of the door body (1);
an outer panel portion (3), the outer panel portion (3) being fitted to the outdoor side of the door body (1);
An inner panel portion (6), the inner panel portion (6) being fitted to the indoor side of the door body (1);
the outer panel part (3) and the inner panel part (6) are in motion transmission through square steel (4) and a transmission shaft (5);
The clutch module is arranged in the outer panel part (3), the temperature sensing mechanical part is arranged in the inner panel part (6), two ends of the transmission shaft (5) are respectively connected with the clutch module and the temperature sensing mechanical part, and the temperature sensing mechanical part drives the transmission shaft (5) to rotate so as to drive the clutch module to unlock;
The said
The clutch module includes:
the rotating shaft (8), the rotating shaft (8) is connected with the handle;
The thimble (9) is riveted in a side hole of the rotating shaft (8), and the thimble (9) has a sliding effect in the side hole of the rotating shaft (8);
The motor assembly (10), the motor assembly (10) is installed in the outer panel, the motor assembly (10) has a sliding guide groove, can slide up and down in the outer panel, and then drives the thimble (9) to realize the up and down sliding function;
The square steel connecting shaft (11), the square steel connecting shaft (11) is assembled and placed in a positioning step hole of the rotating shaft (8), and is in one-way free axial relation with the rotating shaft (8) and meshed in the other direction, so that the clutch module can conveniently realize lifting and back locking in a door closing state, and can press down and idle to lock the door;
The eccentric wheel (13), one end of the eccentric wheel (13) is assembled on the shaft hole of the outer panel fixing column, the other end of the eccentric wheel is axially and radially fixed through the positioning hole on the outer mounting plate (15), a square first transmission shaft mounting hole (14) is formed in the shaft center of the eccentric wheel (13), and one end of the transmission shaft (5) is inserted into the first transmission shaft mounting hole (14);
The temperature sensing mechanical component includes: the lever (16) is a lever (16) with stepped shafts at two ends and comprising a driving arm and a driven arm, the driving arm and the driven arm form an included angle of 90 degrees, the inner side surface of the driven arm is provided with a conical concave table (24), one end of a fixed shaft provided with a second transmission shaft mounting hole (17) is mounted on a shaft hole of an inner panel fixing column, the other end of the fixed shaft is axially and radially fixed through a positioning hole on an inner mounting plate (22), a transmission shaft (5) is arranged in the second transmission shaft mounting hole (17), and the driven arm is supported by the conical concave table (24) and a temperature sensing glass bead (19); one end of the driving arm is provided with a tension spring (20) which is fixed with the inner panel to form a balance relation between the driving arm and the driven arm relative to the axle center; the lever (16) has a rotation function, the driving arm and the driven arm are unbalanced in stress, and the lever (16) can drive the transmission shaft (5) to rotate around the axis;
Both ends of the temperature sensing glass bead (19) are conical, the inside is hollow, the temperature sensing glass bead is arranged in the inner panel temperature sensing glass bead mounting groove (21), the temperature sensing glass bead mounting groove (21) is filled with a temperature sensing heat absorbing material, one end of the temperature sensing glass bead (19) is inserted into a conical concave table (24) on the side surface of a driven arm of the lever (16) for supporting, and the other end of the temperature sensing glass bead is supported in a limiting groove in the inner panel.
2. A fire protection smart lock supporting emergency escape as claimed in claim 1, wherein: one end of a tension spring (20) is fixed in the inner panel through a fixed gasket (18), and the other end is hung on a driving arm of the lever (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356531.4A CN113153018B (en) | 2021-04-01 | 2021-04-01 | Fireproof intelligent lock supporting emergency escape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110356531.4A CN113153018B (en) | 2021-04-01 | 2021-04-01 | Fireproof intelligent lock supporting emergency escape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153018A CN113153018A (en) | 2021-07-23 |
| CN113153018B true CN113153018B (en) | 2024-06-21 |
Family
ID=76886026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110356531.4A Active CN113153018B (en) | 2021-04-01 | 2021-04-01 | Fireproof intelligent lock supporting emergency escape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113153018B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215056266U (en) * | 2021-04-01 | 2021-12-07 | 广西贵港和乐门业有限公司 | Fireproof intelligent lock supporting emergency escape |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101059888B1 (en) * | 2009-11-02 | 2011-08-29 | (주)코스모 | Panic release type door lock opening device |
| DE102010010542A1 (en) * | 2010-03-05 | 2011-09-08 | Medic Assist Gmbh & Co. Kg | Device for situational authorisieten access or access to any housing and its protection against misuse of the content |
| JP2013213375A (en) * | 2012-04-04 | 2013-10-17 | Hokuden Kogyo Kk | Opening and closing device of emergency door |
| CN102926598B (en) * | 2012-10-23 | 2016-06-15 | 宁波埃迪五金工贸有限公司 | A kind of passageway for fire apparatus escape lock |
-
2021
- 2021-04-01 CN CN202110356531.4A patent/CN113153018B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215056266U (en) * | 2021-04-01 | 2021-12-07 | 广西贵港和乐门业有限公司 | Fireproof intelligent lock supporting emergency escape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113153018A (en) | 2021-07-23 |
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