CN111173424B - Heat-insulation type steel fireproof door - Google Patents
Heat-insulation type steel fireproof door Download PDFInfo
- Publication number
- CN111173424B CN111173424B CN201911371309.0A CN201911371309A CN111173424B CN 111173424 B CN111173424 B CN 111173424B CN 201911371309 A CN201911371309 A CN 201911371309A CN 111173424 B CN111173424 B CN 111173424B
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- door
- door lock
- installation
- frame
- plate
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0075—Insulating, e.g. for limiting heat transfer; Increasing fire-resistance of locks
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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
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Special Wing (AREA)
Abstract
The invention belongs to the technical field of door panel equipment, and particularly discloses a heat-insulation type steel fireproof door which comprises an installation frame, wherein a door panel component is fixed on the installation frame through an installation hinge and comprises a reinforcing steel bar frame, the outer side of the reinforcing steel bar frame is wrapped by a heat insulation plate, the outer side of the heat insulation plate is wrapped by an aluminum alloy sheet, one side of the door panel component is provided with a door lock component, the door lock component comprises a door lock installation plate, intelligent door locks and door handles, the door lock installation plates are symmetrically arranged on two sides of the door panel component, the intelligent door locks are installed in the reinforcing steel bar frame, the door handle is arranged on the door lock mounting plate and connected with the intelligent door lock, the door lock mounting plate is connected with the first cooling device, the first cooling device is arranged in the reinforcing steel bar frame, second heat sink embedded is on the installation frame top, and the subassembly setting of opening the door is in installation frame one side, and temperature sensor and smoke transducer set up respectively in installation frame top both sides. The invention effectively prevents heat insulation and fire prevention, is convenient for escaping and has strong practicability.
Description
Technical Field
The invention relates to the field of door panel equipment, in particular to a heat-insulation steel fireproof door.
Background
Fire doors are fire partitions that meet the requirements of fire stability, integrity and thermal insulation for a certain period of time, and also have a certain degree of fire resistance; the method is widely applied to various fields such as residences, ships, buildings, chemical engineering, mechanical engineering and the like;
if the conflagration is great, long-time burning causes the temperature of door plant, door frame, hinge and lock to constantly rise, has to destroy door plant, door frame, hinge or lock, melts the possibility even, has lost the effect of protection for the door plant lock is died, is difficult to open, has disconnected the passageway of fleing, and the present design is a thermal-insulated type steel prevents fire door and solves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a heat-insulation type steel fireproof door to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a heat-insulation type steel fireproof door comprises an installation frame, an installation hinge, a door panel component, a door lock component, a first cooling device, a second cooling device, a door opening component, a temperature sensor, a smoke sensor and a PLC (programmable logic controller), wherein the door panel component is fixed on the installation frame through the installation hinge, the door panel component comprises a steel bar frame, the outer side of the steel bar frame is wrapped by a heat insulation plate, aluminum alloy skin is wrapped on the outer side of the heat insulation plate, the door lock component is arranged on one side of the door panel component and comprises a door lock installation plate, an intelligent door lock and a door handle, the door lock installation plate is symmetrically arranged on two sides of the door panel component, the intelligent door lock is arranged in the steel bar frame, the door handle is arranged on the door lock installation plate and connected with the intelligent door lock, the door lock installation plate is connected with the first cooling device, the first cooling device is arranged in the steel bar frame, the second cooling device is embedded at the top end of the installation frame, the door opening assembly is arranged on one side of the installation frame, the temperature sensor and the smoke sensor are respectively arranged on two sides of the top end of the installation frame, the PLC control device is arranged on the top end of the installation frame, and the door lock assembly, the first cooling device, the second cooling device, the door opening assembly, the temperature sensor and the smoke sensor are electrically connected with the PLC control device.
Preferably, the outer side of the aluminum alloy skin is coated with fireproof wear-resistant paint.
Preferably, the door handle is made of wood, and the outer side of the door handle is painted with fireproof wear-resistant paint.
Preferably, the door lock mounting plate is hollow, and a water inlet and a water outlet are formed in the top end and the bottom of the door lock mounting plate.
Preferably, first heat sink includes coolant liquid case, water pump and inlet tube and outlet pipe, the coolant liquid case is fixed in the steel reinforcement frame, the coolant liquid case is connected with the water pump, and the water pump passes through the water inlet that advances water piping connection lock mounting panel, and the coolant liquid case passes through the delivery port that goes out water piping connection lock mounting panel bottom.
Preferably, the second heat sink includes the storage water tank, the storage water tank is embedded on the installation frame top, the storage water tank passes through the connecting pipe and connects the watering board, be provided with a plurality of watering holes on the watering board, be provided with solenoid valve on the connecting pipe, storage water tank one side is provided with the filler, be provided with sealed lid on the filler.
Preferably, the door opening assembly comprises an ejection device and a door opening device, the ejection device is arranged on one side of the installation frame, the ejection device comprises a first installation groove, the first installation groove is arranged on the rear side of the lock groove, the lock groove is arranged on the installation frame, a first telescopic motor is arranged in the first installation groove, and a first telescopic rod on the first telescopic motor acts on the lock cylinder of the intelligent door lock in the lock groove.
Preferably, the door opener includes the second mounting groove, the second mounting groove sets up on installing frame upper portion, be provided with the flexible motor of second in the second mounting groove, be provided with driving motor on the second telescopic link of the flexible motor of second, the last drive wheel that is provided with of driving motor, the cover is equipped with the slipmat on the drive wheel.
Compared with the prior art, the invention has the beneficial effects that: according to the heat-insulation type steel fireproof door, the door lock mounting plate can be cooled through the first cooling assembly, the heating speed of the door lock assembly is prolonged, meanwhile, the intelligent door lock is unlocked under the control of the PLC, the lock cylinder is ejected through the door opening assembly, the door plate is automatically opened, the door plate is prevented from deforming and locking at high temperature due to overlarge fire, and meanwhile, the electromagnetic valve in the second cooling device is opened to enable water in the water storage tank to be sprayed out through the sprinkling plate for cooling.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of a first cooling device of the present invention;
FIG. 3 is a schematic view of a second cooling device according to the present invention;
FIG. 4 is a schematic view of the door opener of the present invention;
in the figure: 1. mounting the frame; 2. mounting a hinge; 3. a door panel assembly; 4. a door lock assembly; 5. a first cooling device; 6. a second cooling device; 7. a door opening assembly; 8. a temperature sensor; 9. a smoke sensor; 10. a PLC control device; 11. a reinforcing steel bar frame; 12. a heat insulation plate; 13. an aluminum alloy skin; 14. a door lock mounting plate; 15. an intelligent door lock; 16. a door handle; 17. a water inlet; 18. a water outlet; 19. a coolant tank; 20. a water pump; 21. a water inlet pipe; 22. a water outlet pipe; 23. a water storage tank; 24. a connecting pipe; 25. a sprinkler plate; 26. a water sprinkling hole; 27. an electromagnetic valve; 28. a water filling port; 29. a sealing cover; 30. an ejection device; 31. a door opening device; 32. a first mounting groove; 33. locking the groove; 34. a first telescoping motor; 35. a first telescopic rod; 36. a lock cylinder; 37. a second mounting groove; 38. a second telescoping motor; 39. a second telescopic rod; 40. a drive motor; 41. a drive wheel; 42. a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: a heat insulation type steel fireproof door comprises an installation frame 1, an installation hinge 2, a door panel component 3, a door lock component 4, a first temperature reduction device 5, a second temperature reduction device 6, a door opening component 7, a temperature sensor 8, a smoke sensor 9 and a PLC (programmable logic controller) control device 10, wherein the door panel component 3 is fixed on the installation frame 1 through the installation hinge 2, the door panel component 3 comprises a steel bar frame 11, the outer side of the steel bar frame 11 is wrapped by a heat insulation plate 12, the outer side of the heat insulation plate 12 is wrapped by an aluminum alloy sheet 13, one side of the door panel component 3 is provided with the door lock component 4, the door lock component 4 comprises a door lock mounting plate 14, an intelligent door lock 15 and a door handle 16, the door lock mounting plates 14 are symmetrically arranged at two sides of the door panel component 4, the intelligent door lock 15 is installed in the steel bar frame 11, the door handle 16 is installed on the door lock mounting plate 14 and connected with the intelligent door lock 15, and the door lock mounting plate 14 is connected with the first temperature reduction device 5, first heat sink 5 sets up in steel reinforcement frame 11, second heat sink 6 is embedded on 1 top of installation frame, the subassembly 7 that opens the door sets up in 1 one side of installation frame, temperature sensor 8 and smoke transducer 9 set up respectively in 1 top both sides of installation frame, PLC controlling means 10 sets up on 1 top of installation frame, lock subassembly 3, first heat sink 5, second heat sink 6, the subassembly 7 that opens the door, temperature sensor 8 and smoke transducer 9 and PLC controlling means 10 electric connection.
Furthermore, fireproof wear-resistant paint is painted on the outer side of the aluminum alloy skin 13.
Further, the door handle 16 is made of wood, and the outer side of the door handle 16 is painted with fireproof wear-resistant paint.
Further, the door lock mounting plate 14 is hollow, and a water inlet 17 and a water outlet 18 are arranged at the top end and the bottom end of the door lock mounting plate 14.
Further, first heat sink 5 includes coolant liquid case 19, water pump 20 and inlet tube 21 and outlet pipe 22, coolant liquid case 19 is fixed in steel reinforcement frame 11, coolant liquid case 19 is connected with water pump 20, and water pump 20 passes through inlet tube 21 and connects the water inlet 17 of lock mounting panel 14, and coolant liquid case 19 passes through outlet pipe 22 and connects the delivery port 18 of lock mounting panel 14 bottom.
Further, second heat sink 6 includes storage water tank 23, storage water tank 23 is embedded on installation frame 1 top, storage water tank 23 passes through connecting pipe 24 and connects watering board 25, be provided with a plurality of watering holes 26 on the watering board 25, be provided with solenoid valve 27 on the connecting pipe 24, storage water tank 23 one side is provided with filler 28, be provided with sealed lid 29 on the filler 28.
Further, the door opening assembly 7 comprises an ejection device 30 and a door opening device 31, the ejection device 30 is arranged on one side of the installation frame 1, the ejection device 30 comprises a first installation groove 32, the first installation groove 32 is arranged on the rear side of the locking groove 33, the locking groove 33 is arranged on the installation frame 1, a first telescopic motor 34 is arranged in the first installation groove 32, and a first telescopic rod 35 on the first telescopic motor 34 acts on a lock cylinder 36 of the intelligent door lock 15 in the locking groove 33.
Further, the door opening device 31 includes a second mounting groove 37, the second mounting groove 37 is disposed on the upper portion of the mounting frame 1, a second telescopic motor 38 is disposed in the second mounting groove 37, a second telescopic rod 39 of the second telescopic motor 38 is provided with a driving motor 40, a driving wheel 41 is disposed on the driving motor 40, and a non-slip mat 42 is sleeved on the driving wheel 41.
The working principle is as follows: when the heat-insulation type steel fireproof door is used, if a fire occurs, the smoke sensor 9 and the temperature sensor 8 can sense the fire and transmit signals to the PLC 10, the PLC 10 controls the intelligent door lock 15 to be opened, then the water pump 20 in the first cooling device 5 works to enable cooling liquid in the cooling liquid tank 19 to enter the door lock mounting plate 14 through the water inlet 17, the cooling liquid returns to the cooling liquid tank 19 through the water outlet 18 at the bottom end of the door lock mounting plate 14, the door lock mounting plate 14 is cooled, the door lock mounting plate 14 is prevented from being rapidly deformed in a high-temperature environment, the damage speed of the door lock mounting plate 14 can be prolonged, meanwhile, the first telescopic motor 34 in the ejection device 30 in the door opening assembly 7 works to drive the first telescopic rod 35 to extend to eject the lock cylinder 36 in the lock groove 33 out of the lock groove 33, and meanwhile, the second telescopic motor 38 in the door opening device 31 works to drive the second telescopic rod 39 to extend to enable the driving wheel 41 on the driving motor 40 to Support in door plant component 4 one side, driving motor 40 works simultaneously and drives the drive wheel 41 and rotate and make the door plant outwards remove and open the door plant, prevent that door plant component 4 from fusing with installation frame 1 under high temperature and leading to the door plant lock to die, electromagnetic valve 27 who sets up in the second heat sink 6 on installation frame 1 top is opened, make the water in the storage water tank 23 spill down through the watering hole 26 on the watering plate 25 and carry out the cooling operation to door plant component 3 and installation frame 1, delay the programming rate of installation frame 1 and door plant, escape for indoor personnel and provide the passageway.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a fire door is prevented to thermal-insulated type steel which characterized in that: the door plate assembly comprises an installation frame (1), an installation hinge (2), a door plate assembly (3), a door lock assembly (4), a first cooling device (5), a second cooling device (6), a door opening assembly (7), a temperature sensor (8), a smoke sensor (9) and a PLC (programmable logic controller) control device (10), wherein the door plate assembly (3) is fixed on the installation frame (1) through the installation hinge (2), the door plate assembly (3) comprises a reinforcing steel bar frame (11), the outer side of the reinforcing steel bar frame (11) is wrapped by a heat insulation plate (12), the outer side of the heat insulation plate (12) is wrapped by an aluminum alloy skin (13), one side of the door plate assembly (3) is provided with the door lock assembly (4), the door lock assembly (4) comprises a door lock installation plate (14), an intelligent door lock (15) and a door handle (16), and the door lock installation plate (14) is symmetrically arranged on two sides of the door plate assembly (3), an intelligent door lock (15) is arranged in the reinforcing steel bar frame (11), a door handle (16) is arranged on the door lock mounting plate (14) and is connected with the intelligent door lock (15), the door lock mounting plate (14) is connected with a first cooling device (5), the first cooling device (5) is arranged in the reinforcing steel bar frame (11), the second cooling device (6) is embedded at the top end of the mounting frame (1), the door opening component (7) is arranged at one side of the mounting frame (1), the temperature sensor (8) and the smoke sensor (9) are respectively arranged at two sides of the top end of the mounting frame (1), the PLC control device (10) is arranged at the top end of the mounting frame (1), the door lock assembly (4), the first cooling device (5), the second cooling device (6), the door opening assembly (7), the temperature sensor (8) and the smoke sensor (9) are electrically connected with the PLC control device (10);
the door lock mounting plate (14) is hollow, and a water inlet (17) and a water outlet (18) are formed in the top end and the bottom of the door lock mounting plate (14);
the first cooling device (5) comprises a cooling liquid tank (19), a water pump (20), a water inlet pipe (21) and a water outlet pipe (22), the cooling liquid tank (19) is fixed in the steel bar frame (11), the cooling liquid tank (19) is connected with the water pump (20), the water pump (20) is connected with a water inlet (17) of the door lock mounting plate (14) through the water inlet pipe (21), and the cooling liquid tank (19) is connected with a water outlet (18) at the bottom end of the door lock mounting plate (14) through the water outlet pipe (22);
the door opening assembly (7) comprises an ejection device (30) and a door opening device (31), the ejection device (30) is arranged on one side of the installation frame (1), the ejection device (30) comprises a first installation groove (32), the first installation groove (32) is arranged on the rear side of a lock groove (33), the lock groove (33) is arranged on the installation frame (1), a first telescopic motor (34) is arranged in the first installation groove (32), and a first telescopic rod (35) on the first telescopic motor (34) acts on a lock cylinder (36) of the intelligent door lock (15) in the lock groove (33);
door opening device (31) include second mounting groove (37), second mounting groove (37) set up on installation frame (1) upper portion, be provided with the flexible motor of second (38) in second mounting groove (37), be provided with driving motor (40) on the second telescopic link (39) of the flexible motor of second (38), be provided with drive wheel (41) on driving motor (40), the cover is equipped with slipmat (42) on drive wheel (41).
2. A heat insulating steel fire door according to claim 1, characterized in that: the outer side of the aluminum alloy skin (13) is coated with fireproof wear-resistant paint.
3. A heat insulating steel fire door according to claim 1, characterized in that: the door handle (16) is made of wood, and fireproof wear-resistant paint is painted on the outer side of the door handle (16).
4. A heat insulating steel fire door according to claim 1, characterized in that: second heat sink (6) are including storage water tank (23), storage water tank (23) are embedded on installation frame (1) top, storage water tank (23) are through connecting pipe (24) connection watering board (25), be provided with a plurality of watering holes (26) on watering board (25), be provided with solenoid valve (27) on connecting pipe (24), storage water tank (23) one side is provided with filler (28), be provided with sealed lid (29) on filler (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371309.0A CN111173424B (en) | 2019-12-26 | 2019-12-26 | Heat-insulation type steel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371309.0A CN111173424B (en) | 2019-12-26 | 2019-12-26 | Heat-insulation type steel fireproof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111173424A CN111173424A (en) | 2020-05-19 |
| CN111173424B true CN111173424B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911371309.0A Active CN111173424B (en) | 2019-12-26 | 2019-12-26 | Heat-insulation type steel fireproof door |
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| CN (1) | CN111173424B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927256B (en) * | 2020-07-17 | 2022-08-30 | 杭州太平洋塑料建材有限公司 | Flame-retardant PVC (polyvinyl chloride) type plastic door and window |
| CN112664062A (en) * | 2020-11-25 | 2021-04-16 | 江苏驰马拉链科技股份有限公司 | High-temperature dye vat interlocking protection device |
| CN113202347A (en) * | 2021-04-28 | 2021-08-03 | 德施曼机电（中国）有限公司 | Intelligent door with automatic cooling function |
| CN113338780B (en) * | 2021-06-21 | 2023-03-10 | 安徽双鹏实业有限公司 | Steel fireproof door capable of controlling expansion of sealing element |
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| CN203905666U (en) * | 2014-06-23 | 2014-10-29 | 黄山智通电子科技有限公司 | Dampproof dehumidifying bicycle lock for public bicycle |
| CN205743588U (en) * | 2016-07-05 | 2016-11-30 | 宁波天一消防器材有限公司 | A kind of escape way fire resistant doorsets |
| CN107642312A (en) * | 2017-08-30 | 2018-01-30 | 天津市森奥门窗有限公司 | A kind of house fire resistant doorsets |
| CN208168560U (en) * | 2018-04-13 | 2018-11-30 | 张燕华 | A kind of smart lock control device |
| CN108952501A (en) * | 2018-06-26 | 2018-12-07 | 浙江邮电职业技术学院 | A kind of security protection smart home door with automatic sensing alarming function |
| CN209556852U (en) * | 2018-12-18 | 2019-10-29 | 河北四海航通安全技术工程有限公司 | A kind of fire resistant doorsets |
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2019
- 2019-12-26 CN CN201911371309.0A patent/CN111173424B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203905666U (en) * | 2014-06-23 | 2014-10-29 | 黄山智通电子科技有限公司 | Dampproof dehumidifying bicycle lock for public bicycle |
| CN205743588U (en) * | 2016-07-05 | 2016-11-30 | 宁波天一消防器材有限公司 | A kind of escape way fire resistant doorsets |
| CN107642312A (en) * | 2017-08-30 | 2018-01-30 | 天津市森奥门窗有限公司 | A kind of house fire resistant doorsets |
| CN208168560U (en) * | 2018-04-13 | 2018-11-30 | 张燕华 | A kind of smart lock control device |
| CN108952501A (en) * | 2018-06-26 | 2018-12-07 | 浙江邮电职业技术学院 | A kind of security protection smart home door with automatic sensing alarming function |
| CN209556852U (en) * | 2018-12-18 | 2019-10-29 | 河北四海航通安全技术工程有限公司 | A kind of fire resistant doorsets |
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| Publication number | Publication date |
|---|---|
| CN111173424A (en) | 2020-05-19 |
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