CN109488177B - Fire door is prevented to keeper self-tying formula - Google Patents
Fire door is prevented to keeper self-tying formula Download PDFInfo
- Publication number
- CN109488177B CN109488177B CN201811482403.9A CN201811482403A CN109488177B CN 109488177 B CN109488177 B CN 109488177B CN 201811482403 A CN201811482403 A CN 201811482403A CN 109488177 B CN109488177 B CN 109488177B
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- Prior art keywords
- door
- hole
- water outlet
- bolt
- blind pipe
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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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/08—Water curtains
-
- 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
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
-
- 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
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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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Special Wing (AREA)
Abstract
The invention relates to a door bolt self-bolt type fireproof door, which comprises a door frame and a door plate, wherein one end of the door plate in the horizontal direction is hinged with one end of the door frame in the horizontal direction, a door lock is arranged between the other end of the door plate and the other end of the door frame, a door bolt hole is formed in the other end of the door frame, a transverse sliding hole which can be aligned with the door bolt hole and extends in the width direction of the door plate is formed in the end surface of the other end of the door plate, an operation hole is further formed in the door plate and penetrates through the door plate in the thickness direction of the door plate, the operation hole is a long-strip-shaped hole extending in the width direction of the door plate, the operation hole is intersected with the transverse sliding hole, a door bolt magnet is arranged in the door bolt hole, a door bolt made of. The invention aims to provide a fireproof door with a bolt, which is provided with a bolt and is automatically fastened by the bolt when the door is closed, and solves the problem of poor fixing reliability of the conventional fireproof door which is only fixed by a lock when the door is closed.
Description
Technical Field
The invention relates to a protective door, in particular to a bolt self-bolting fireproof door.
Background
The fireproof door is divided according to the materials: the existing fireproof doors such as wooden fireproof doors, steel-wood fireproof doors and other fireproof doors have the following defects: when the door plate is closed, the door plate is fixed on the door frame only through the lock, so that the door plate has poor fixing firmness and is easy to be impacted and opened when the door plate is ignited to explode; it is not possible to connect to the water supply system in a fire fighting system to achieve fire fighting in the event of a fire.
Disclosure of Invention
The invention aims to provide a fireproof door with a bolt, which is provided with a bolt and is automatically fastened by the bolt when the door is closed, and solves the problem of poor fixing reliability of the conventional fireproof door which is only fixed by a lock when the door is closed.
A second object of the present invention is to further provide a self-latching fire door capable of connecting to a water supply system in a fire protection system, which solves the problem that the existing fire door is not capable of extinguishing a fire.
The technical problem is solved by the following technical scheme: the utility model provides a keeper is from preventing fire door of bolt formula, package board door frame and door plant, the one end of door plant horizontal direction is in the same place with the one end of door frame horizontal direction is articulated, is equipped with the lock between the other end of door plant and the other end of door frame, its characterized in that, the other end of door frame is equipped with the keeper hole, be equipped with on the terminal surface of the other end of door plant can with the horizontal slip hole that the keeper pore pair was said and is extended along door plant width direction, the door plant still is equipped with the operation hole, the operation hole runs through the door plant along door plant thickness direction, the operation hole is the hole of the rectangular shape that extends along door plant width direction, the operation hole with the horizontal slip hole is criss-cross, be equipped with in the keeper hole and tie door magnet, the sliding seal in the horizontal slip hole is connected with the keeper that ferromagnet preparation formed, the keeper. When producing the conflagration, close the door plant on the door frame and bolt hole and horizontal sliding hole align when being established by the cover on the lock, in the free capable keeper of bolt door magnet automatic insert the keeper downthehole and with on the keeper for door plant and door frame are fixed through the lock and the keeper still further plays the effect of strengthening the fixed effect between door plant and the door frame. When the door is opened, the rod is inserted into the driving hole through the avoiding hole to pull the door bolt, so that the door bolt is taken out from the door bolt hole. The bolt will dodge the hole and cut off to can effectively prevent to dodge the setting in hole and lead to the flue gas from dodging the hole outflow and influencing the wall effect of below door to the flue gas. The bolt can be automatically latched instead of manually, so that the situation that people forget to latch in confusion when a fire disaster occurs can be avoided, the safety is better, and if the bolt is manually latched, the bolt is easily forgotten to latch when the fire disaster occurs due to the fact that the bolt is designed while a lock exists and is an unconventional action of latching when people leave a room.
Preferably, the door plate is internally provided with a total water outlet channel and a water outlet channel communicated with the total water outlet channel, the total water outlet channel is provided with a water inlet hole communicated with the upper end surface of the door plate, the water outlet channel is communicated with the inner side surface of the door plate to form a water outlet port, the water outlet port is provided with a fire-fighting spray head, the lower surface of the upper cross beam of the door frame is provided with a vertical sliding hole aligned with the water inlet hole, the vertical sliding hole is internally connected with a blind pipe made of ferromagnet in a sealing and sliding manner and a water inlet ring sleeved on the blind pipe in a sealing and sliding manner, the door frame is provided with a water inlet flow channel communicated with the water inlet ring, the inner peripheral surface of the water inlet ring is provided with a water outlet, the water inlet hole is internally provided with a permanent magnet for adsorbing the blind pipe to be inserted into the water inlet hole so that the blind pipe is communicated with the water outlet hole, and a guy cable which is connected with the blind pipe and is used for pulling the blind pipe into the sliding hole is arranged in the door frame in a penetrating way. When the fire-fighting water supply system is used, the water inlet channel is connected with a water supply system in the fire-fighting system. When the door plate is closed to the door frame when a fire disaster occurs, the water inlet holes are aligned with the vertical sliding holes, the blind pipes are inserted into the inlets at the two ends under the adsorption action of the permanent magnets, so that the via holes are aligned with the water outlet holes, the total water outlet channel is communicated with the water inlet ring, the temperature of the fire-fighting spray header reaches the opening temperature, the water is discharged from the outlet end of the water outlet channel after the fire-fighting spray header is opened, and the fire-fighting of fire-fighting is realized. When the door is opened, the blind pipe is retracted in the sliding hole. After the blind pipe is inserted into the water inlet hole, the blind pipe is pulled up through the pull rope to be pulled out of the water inlet hole, so that the door can meet the requirement of opening and closing for multiple times. The second object of the invention is achieved.
Preferably, the fire-fighting nozzle is completely accommodated in the water outlet channel, a large-diameter section of the water outlet channel is arranged at the outlet end of the water outlet channel, a positioning step is formed between the large-diameter section of the water outlet channel and the water outlet channel, and a nozzle protection plate resting on the positioning step penetrates through the large-diameter section of the water outlet channel. After the fire sprinkler head is opened, water flow rushes out the spray head protection plate, so that water is discharged from the door plate. Has good protection effect on the fire sprinkler head.
Preferably, the nozzle protection plate is a metal structure. So that the heat can be rapidly transmitted to the fire sprinkler head when a fire disaster occurs, and the situation that the response of the adsorption sprinkler head is not timely due to the arrangement of the sprinkler head protection plate is avoided.
Preferably, the fire-fighting nozzle is completely accommodated in the water outlet channel, the water outlet channel is fixedly connected with a nozzle protection plate in a sealing manner, and the nozzle protection plate is provided with at least three through holes which are communicated with the water outlet channel and are positioned at two end parts of the nozzle protection plate and penetrate through the nozzle protection plate along the thickness direction of the nozzle protection plate. The water sprayed by the adsorption spray header in the technical scheme can only pass through the through hole flow, and the flow is reduced and the pressure is increased when the water flows through the through hole, so that the effects of pressurization, throttling and scattering are achieved on the water flow.
Preferably, the distance from the inlet end of the through hole to the central line of the nozzle protection plate is greater than the distance from the outlet end of the through hole to the central line of the nozzle protection plate. The scattering and the pressure boost effect of spun water can be promoted.
Preferably, the water inlet is provided with a large-diameter section of a total water outlet channel part, a bearing step is formed between the large-diameter section of the total water outlet channel part and the total water outlet channel, the permanent magnet is annular and is connected to the bearing step in a sealing mode, and the permanent magnet is provided with a sealing ring which is used for connecting the blind pipe and the permanent magnet together in a sealing mode. The installation of the permanent magnet is convenient, and the positioning of the depth of the blind pipe inserted into the main water outlet channel is convenient.
Preferably, a sealing ring which is used for sealing and connecting the blind pipe and the permanent magnet together is arranged on the permanent magnet. The blind pipe and the main water outlet channel can be prevented from being connected to form water leakage to influence the water outlet pressure.
Preferably, the outer circumferential surface of the blind pipe is provided with a support ring extending along the circumferential direction of the blind pipe, and the support ring abuts against the sealing ring so that the blind pipe and the permanent magnet are connected together in a sealing manner. And further the convenience in positioning through the blind pipe.
Preferably, a limiting step matched with the support ring is arranged in the vertical sliding hole, and the blind pipe is completely accommodated in the vertical sliding hole when the support ring and the limiting step are abutted together.
Preferably, a reversing pulley is connected in the sliding hole, and the reversing pulley supports the pull cable. Labor is saved when the blind pipe is lifted through the inhaul cable.
The invention has the following advantages: when the door plate is closed, the connection between the same door frames is reliable; the fire extinguishing device can spray water to extinguish fire when a fire disaster occurs; the blind pipe can be pulled out, so that the door plate can be conveniently opened again after being closed.
Drawings
Fig. 1 is a schematic horizontal sectional view of a first embodiment of the present invention.
FIG. 2 is a schematic vertical cross-sectional view of a second embodiment of the present invention
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.
Fig. 4 is a partially enlarged schematic view of fig. 2 at B.
Fig. 5 is a schematic view of the nozzle guard plate of the third embodiment projected along the extending direction of the water discharge passage.
Fig. 6 is a schematic sectional view taken along line a-a of fig. 5.
In the figure: the door frame 1, a positioning edge strip 10, a vertical sliding hole 11, a limiting step 111, a blind pipe 12, a support ring 121, a through hole 122, a guy cable 13, a water inlet ring 14, a water inlet flow channel 15, a water outlet 16, a sealing ring 17, a reversing pulley 18, a bolt hole 19, a door panel 2, a total water outlet channel 21, a water outlet channel 22, a water inlet hole 23, a total water outlet channel large-diameter section 231, a fire sprinkler head 24, a water outlet channel large-diameter section 221, a positioning step 222, a nozzle protection plate 25, a through hole 251, a permanent magnet 26, a guy cable hole 27, a transverse sliding hole 28, an operation hole 29, a hinge 3, a bolt magnet 4, a bolt 5 and a driving hole 51.
Detailed Description
The invention is further described with reference to the following figures and examples.
First embodiment, referring to fig. 1, a keeper self-latching fire door, a paneled doorframe 1 and a door panel 2. The door frame is provided with a positioning edge strip 10. The right-hand member of door plant 2 passes through hinge 3 and articulates on the right-hand member of door frame. A door lock (not shown) is arranged between the left end of the door plate and the left end of the door frame, and a door bolt hole 19 is arranged at the left end of the door frame. And a transverse sliding hole 28 which is aligned with the bolt hole and extends along the width direction of the door panel is arranged on the end surface of the left end of the door panel. The left end of the door panel is also provided with a working hole 29. The operation hole penetrates through the door panel along the thickness direction of the door panel. The working hole is a long-strip-shaped hole extending along the width direction of the door panel, namely the left and right direction. The pilot hole and the cross slide hole are crossed. A bolt door magnet 4 is arranged in the bolt hole. The keeper magnet is a permanent magnet. The bolt 5 made of ferromagnet is connected in the transverse sliding hole in a sliding and sealing way. The bolt cuts off the operation hole. The bolt is provided with drive holes 51 on both the front and rear sides thereof in alignment with the working hole.
During the use, close the door plant on the door frame until the door plant butt on the location strake, the door plant can not continue to close this moment, and the door plant is except being locked on the door frame by the lock this moment, and keeper hole and sideslip pore pair are in alignment, and the keeper inserts in the keeper hole under the effect of bolt door magnet to make door plant and door frame except that fixing through the lock, the bolt still further plays the effect of strengthening the fixed effect between door plant and the door frame when closing. When the door needs to be opened, the rod body is inserted into the driving hole through the avoiding hole to pull the door bolt.
The second embodiment is different from the first embodiment in that:
referring to fig. 2, 3 and 4, the door panel 1 is provided with a main water outlet passage 21 and a branched water passage 22 if communicating with the main water outlet passage. The main water outlet channel is provided with a water inlet hole 23 which runs through the upper end surface of the door plate. The water outlet passage penetrates through the inner side surface of the door panel. The outlet end of the water outlet channel is provided with a fire sprinkler head 24. The main water outlet passage is provided with a water inlet hole 27 penetrating the upper end surface of the door plate. A large-diameter section 221 of the water outlet channel part is arranged in the water inlet hole. A positioning step 222 is formed between the large diameter section of the outlet water passage portion and the outlet water passage. A nozzle protection plate 25 which is placed on the positioning step is arranged in the large-diameter section of the water outlet channel part in a penetrating mode. The fire nozzle is completely accommodated in the water outlet passage and is shielded by the nozzle protection plate. The nozzle protection plate is of a metal structure.
The inlet opening is provided with a major diameter section 231 of the main outlet passage portion. And a bearing step is formed between the large-diameter section of the main water outlet channel part and the main water outlet channel. The bearing step is connected with a permanent magnet 26. The permanent magnet is annular. The permanent magnet is connected on the bearing step in a sealing mode. The permanent magnet is provided with a sealing ring 17. The lower surface of the upper beam of the door frame 1 is provided with a vertical sliding hole 11. A blind pipe 12 with a closed upper end is connected in a sealing and sliding way in the vertical sliding hole. The outer circumferential surface of the blind pipe is provided with a support ring 121 extending along the circumferential direction of the blind pipe. The blind pipe is also provided with a through hole 122. The blind pipe is made of ferromagnet. The vertical sliding hole is also internally provided with a guy cable 13, a water inlet ring 14 and a reversing pulley 18. One end of the guy cable is fixed on the blind end of the blind pipe, and the other end of the guy cable is supported on the reversing pulley and extends out of the rear side surface of the door frame through a guy cable hole 27 on the door frame. The inhaul cable is used for driving the blind pipe to contract into the vertical sliding hole. The water inlet ring is sleeved on the blind pipe in a sealing and sliding manner. The door frame is provided with a water inlet flow passage 15 communicated with the water inlet ring. The inner circumferential surface of the water inlet ring is provided with a water outlet 16. And a limiting step 111 matched with the support ring is arranged in the vertical sliding hole.
When in use, the water inlet channel is communicated with the fire-fighting water supply pipeline. When the door panel is in an opening state, the blind pipe is contracted to the support ring and is abutted with the limiting step through lifting the inhaul cable, and the blind pipe is completely accommodated in the vertical sliding hole at the moment. When a fire occurs, the door panel is closed to the doorframe in the state shown in fig. 1, and the vertical sliding hole is aligned with the water inlet hole. Under the effect of permanent magnet the blind pipe inserts in the entrance of both ends and supports to the support ring and make the blind pipe with total outlet channel seal butt joint together on the sealing washer, the upper end of blind pipe still wears to establish in the water inlet ring and via hole 122 and delivery port 16 align this moment, fire control water supply system's water reachs the fire sprinkler head, and the fire sprinkler head bursts when the temperature reaches the temperature that the fire sprinkler head burst, thereby water is through the blowout of fire sprinkler head and push away the shower nozzle guard plate and realize spraying and put out a fire. When the door is closed and then opened again, the blind pipe is contracted to the support ring to be abutted with the limiting step through lifting the inhaul cable. The blind pipe and the slide hole are tightly matched.
The third embodiment is different from the second embodiment in that:
the nozzle protection plate is fixedly connected in the water outlet hole in a sealing way.
Referring to fig. 5 and 6, the head protection plate is circular. The head protection plate 25 is provided with at least three through-holes 251. The through holes are communicated with the water outlet holes and are positioned at two end parts of the nozzle protection plate. The through hole penetrates through the nozzle protection plate along the thickness direction of the nozzle protection plate. The distance from the inlet end of the through hole to the central line of the spray head protection plate is larger than the distance from the outlet end of the through hole to the central line of the spray head protection plate.
Claims (5)
1. A door bolt self-bolt type fireproof door comprises a door frame and a door plate, wherein one end of the door plate in the horizontal direction is hinged with one end of the door frame in the horizontal direction, a door lock is arranged between the other end of the door plate and the other end of the door frame, a door bolt hole is formed in the other end of the door frame, a transverse sliding hole which can be aligned with the door bolt hole and extends in the width direction of the door plate is formed in the end face of the other end of the door plate, an operation hole is further formed in the door plate and penetrates through the door plate in the thickness direction of the door plate, the operation hole is a strip-shaped hole extending in the width direction of the door plate, the operation hole and the transverse sliding hole are crossed, a bolt magnet is arranged in the door bolt hole, a door bolt made of a ferromagnetic body is connected in a sliding and sealing mode in the transverse sliding hole, the door bolt cuts off the operation hole, a driving hole is formed in the door bolt, a main water outlet channel and, the main water outlet channel is provided with a water inlet hole penetrating through the upper end face of the door plate, the branch water channel penetrates through the inner side surface of the door plate to form a water outlet port, the water outlet port is provided with a fire sprinkler head, the lower surface of the upper cross beam of the door frame is provided with a vertical sliding hole capable of aligning with the water inlet hole, the vertical sliding hole is internally connected with a blind pipe made of a ferromagnetic body in a sealing and sliding manner and a water inlet ring sleeved on the blind pipe in a sealing and sliding manner, the door frame is provided with a water inlet flow passage communicated with the water inlet ring, the inner circumferential surface of the water inlet ring is provided with a water outlet, a permanent magnet for adsorbing the blind pipe inserted into the water inlet hole to enable the blind pipe to be communicated with the outlet hole is arranged in the water inlet hole, a through hole communicated with the water outlet when the blind pipe is inserted into the water inlet hole is arranged on the circumferential surface of the blind pipe, and, the fire-fighting nozzle is completely accommodated in the water outlet channel, a large-diameter section of the water outlet channel is arranged at the outlet end of the water outlet channel, a positioning step is formed between the large-diameter section of the water outlet channel and the water outlet channel, a nozzle protection plate placed on the positioning step penetrates through the large-diameter section of the water outlet channel, and the nozzle protection plate is of a metal structure.
2. The fire door of claim 1, wherein the water inlet hole is provided with a major diameter section of the main water outlet passage portion, a bearing step is formed between the major diameter section of the main water outlet passage portion and the main water outlet passage, the permanent magnet is annular, the permanent magnet is hermetically connected to the bearing step, and a sealing ring is arranged on the permanent magnet and is used for hermetically connecting the blind pipe and the permanent magnet together.
3. The fire door of claim 2, wherein a support ring is provided on the outer circumferential surface of the blind pipe and extends along the circumferential direction of the blind pipe, and the support ring abuts against the sealing ring to hermetically connect the blind pipe and the permanent magnet together.
4. The fire door of claim 3, wherein a stop step is provided in the vertical sliding hole, the stop step cooperating with the support ring, and the blind tube is completely received in the vertical sliding hole when the support ring abuts against the stop step.
5. The fire rated door as recited in claim 1, wherein a reversing pulley is attached to the sliding opening, the reversing pulley supporting the cable.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482403.9A CN109488177B (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
| CN202010389226.0A CN111577081A (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482403.9A CN109488177B (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389226.0A Division CN111577081A (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488177A CN109488177A (en) | 2019-03-19 |
| CN109488177B true CN109488177B (en) | 2020-12-11 |
Family
ID=65709473
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389226.0A Pending CN111577081A (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
| CN201811482403.9A Active CN109488177B (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389226.0A Pending CN111577081A (en) | 2018-12-05 | 2018-12-05 | Fire door is prevented to keeper self-tying formula |
Country Status (1)
| Country | Link |
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| CN (2) | CN111577081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577081A (en) * | 2018-12-05 | 2020-08-25 | 郑琼华 | Fire door is prevented to keeper self-tying formula |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473770B (en) * | 2021-06-11 | 2022-08-05 | 无锡润越机电科技有限公司 | Control cabinet with isolation structure |
| CN113775283B (en) * | 2021-09-15 | 2023-03-31 | 浙江忠建消防科技有限公司 | Anti-impact fireproof door |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3234968A1 (en) * | 1982-09-17 | 1984-03-22 | Ernst Wirz AG Kipper- und Maschinenfabrik, 8707 Uetikon | Fire door arrangement |
| CN2228122Y (en) * | 1995-01-16 | 1996-05-29 | 陈鸿团 | Water-filling fireproof door |
| CN2556320Y (en) * | 2002-07-18 | 2003-06-18 | 微米实业有限公司 | Structure-improved lock |
| CN107269196A (en) * | 2017-07-26 | 2017-10-20 | 南通苏通人防防护设备有限公司 | A kind of fire exit door with automatic fire-extinguishing function |
| KR101854657B1 (en) * | 2017-08-29 | 2018-05-03 | 주식회사 우담건축사사무소 | Fire door with preventing function for fire spreading in apartment houses |
| CN208123579U (en) * | 2018-03-25 | 2018-11-20 | 江苏特尔维斯智能科技有限公司 | A kind of fast turning on-off tap |
| CN111577081A (en) * | 2018-12-05 | 2020-08-25 | 郑琼华 | Fire door is prevented to keeper self-tying formula |
-
2018
- 2018-12-05 CN CN202010389226.0A patent/CN111577081A/en active Pending
- 2018-12-05 CN CN201811482403.9A patent/CN109488177B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577081A (en) * | 2018-12-05 | 2020-08-25 | 郑琼华 | Fire door is prevented to keeper self-tying formula |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111577081A (en) | 2020-08-25 |
| CN109488177A (en) | 2019-03-19 |
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Effective date of registration: 20201117 Address after: 343400 Copper Industrial Park, Yongxin Industrial Development Zone, Ji'an City, Jiangxi Province Applicant after: Jiangxi Renwen Fire Equipment Co., Ltd Address before: 437600 No. 004, Group 8, Xihu Village, Xiapu Town, Tongshan County, Xianning City, Hubei Province Applicant before: Zheng Qionghua |
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