CN111963030B - Fireproof isolation door - Google Patents
Fireproof isolation door Download PDFInfo
- Publication number
- CN111963030B CN111963030B CN202010891004.9A CN202010891004A CN111963030B CN 111963030 B CN111963030 B CN 111963030B CN 202010891004 A CN202010891004 A CN 202010891004A CN 111963030 B CN111963030 B CN 111963030B
- Authority
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- China
- Prior art keywords
- door
- door body
- metal sheet
- fire
- rotating plate
- 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.)
- Expired - Fee Related
Links
- 238000002955 isolation Methods 0.000 title abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 16
- 239000003063 flame retardant Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 2
- 238000005192 partition Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- E05F15/614—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
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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
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
-
- 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
-
- 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)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a fireproof isolation door, which comprises a door closer and a door body, wherein the door body is of a hollow structure, a protection device and a fire-isolating device are arranged in the door body, the protection device comprises a high-temperature power-on mechanism and an object pushing mechanism, the high-temperature power-on mechanism comprises a fuse wire, a fixed pulley, a connecting wire, a guide block, a metal sheet I, a metal sheet II, a motor and a power supply, a groove matched with the fuse wire is formed in one side of the door body, the fixed pulley is arranged on the upper side in the groove, and two ends of the fuse wire are respectively fixedly connected with two sections of connecting wires; according to the invention, through the cooperation of the protection device and the door closer, the fireproof isolation door can push away a heavy object blocking the fireproof isolation door in time when a fire disaster occurs, so that the situation that the fireproof isolation door does not work in the fire disaster is prevented, the dense smoke hazard in the safety channel when the fire disaster occurs is reduced, and the temperature in the safety channel is reduced to a certain extent.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a fireproof isolation door.
Background
The fire safety problem is a problem which is closely concerned by society all the time, however, as many people lack certain fire safety knowledge at present, part of people often shield the fire isolation door of the safety passage by a heavy object, so that the fire isolation door is kept in an open state all the time and is only used for better ventilation in the corridor, and the action can cause the situation that when a fire disaster happens, dense smoke and high temperature are diffused into the safety passage without blocking because the fire isolation door is not in a closed state, the evacuation process of people in the building is influenced when the fire disaster happens, and the situation of casualties can be caused when the fire disaster happens seriously;
therefore, there is a need to provide a fire-proof isolation door capable of automatically pushing away a shielding weight to close the isolation door to prevent fire in case of fire, so as to solve the above technical problems.
Disclosure of Invention
To the above problem, this send provides a fire prevention isolation door, and its cooperation work of crossing protection device and door closer makes this fire prevention isolation door can in time push away the heavy object that blocks the fire prevention isolation door when the conflagration takes place, prevents that the condition that the fire prevention isolation door did not work when the conflagration from taking place.
The technical scheme adopted by the invention is as follows: a fireproof isolation door comprises a door closer, a door frame and a door body, wherein the door body is of a hollow structure, a protection device and a fire-isolating device are arranged in the door body, the protection device comprises a high-temperature electrifying mechanism and a pushing mechanism, the high-temperature electrifying mechanism comprises a fuse wire, a fixed pulley, a connecting wire, a guide block, a metal sheet I, a metal sheet II, a motor and a power supply, a groove matched with the fuse wire is formed in one side of the door body, the fixed pulley is arranged on the upper side in the groove, two ends of the fuse wire are fixedly connected with the two sections of connecting wires respectively, the connecting wire on the lower section is fixedly connected with the lower side of the groove, the connecting wire on the upper section bypasses the fixed pulley on the upper side in the groove to enter the inside of the door body, the fixed pulley is fixed inside the door body, and the connecting wire bypasses the top of the fixed pulley inside the door body to extend downwards, the bottom of the metal block is fixedly connected with the metal block, the two sides below the metal block are respectively provided with the first metal sheet and the second metal sheet, the metal block moves downwards and then is respectively contacted with the first metal sheet and the second metal sheet, one end of the first metal sheet is electrically connected with one electrode of the motor, the other electrode of the motor is electrically connected with one electrode of the power supply, the power supply is a storage battery, the other electrode of the power supply is electrically connected with the second metal sheet, the object pushing mechanism comprises a rotating plate and object shifting gears, the object shifting gears are uniformly distributed on the inner side of the bottom of the door body and are in transmission connection with an output shaft of the motor through a transmission belt, the rotating plate is rotatably connected with the door body, and the object poking gear pokes the rotating plate to rotate around the connection part of the rotating plate and the door body when rotating.
Preferably, the guide block is fixed on the inner wall of the door body, and the metal block is in sliding insertion connection with the guide block.
Preferably, the teeth of the object shifting gear are arc-shaped teeth, one side of the object shifting gear, facing the rotating plate, is a plane, the shaft of the object shifting gear is close to one side of the rotating plate, and the door body is provided with a through hole matched with the object shifting gear.
Preferably, the fire insulation device comprises a material frame and a flame-retardant material, the material frame is fixed inside the door body, the material frame isolates the inside of the door body into a square space and a bevel space, the flame-retardant material fills the whole square space, and part of the high-temperature power-on mechanism is arranged in the bevel space.
Preferably, the door frame is connected with the door body through a hinge, one end of the door closer is fixedly installed at the top of the door body, and the other end of the door closer is fixedly installed at the top of the door frame.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) according to the invention, through the cooperation of the protection device and the door closer, the fireproof isolation door can push away the weight blocking the fireproof isolation door in time when a fire disaster occurs, so that the situation that the fireproof isolation door cannot be closed and does not work in the fire disaster is thoroughly avoided;
(2) after the fireproof isolation door is closed, dense smoke harm in the safety channel when a fire disaster happens can be effectively reduced, and meanwhile, the temperature in the safety channel is reduced, so that people in a building can be evacuated safely, and the life safety of people is protected;
(3) according to the invention, through the arrangement of the fire-isolating device, the fireproof isolation door can resist the attack of high temperature for a longer time after being closed, and more time is won for personnel to escape from the fire scene, so that casualties are reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the interior of the door body of the present invention;
FIG. 3 is a side view of the interior of the door body of the present invention;
FIG. 4 is a schematic structural view of the object-picking gear of the present invention;
FIG. 5 is a schematic view of the structure of the present invention at A.
Reference numerals: 1-a door closer; 2-a door frame; 3-a door body; 41-fuse wire; 42-a fixed pulley; 43-connecting wires; 44-a guide block; 45-metal block; 46-metal sheet one; 47-metal sheet two; 48-a motor; 49-a power source; 51-a rotating plate; 52-kick-off gear.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
In the embodiment, as shown in fig. 1 to 5, a fireproof isolation door comprises a door closer 1 and a door frame 2, and further comprises a door body 3, the door body 3 is of a hollow structure, a protection device and a fire-blocking device are arranged in the door body 3, the protection device comprises a high-temperature power-on mechanism and an object pushing mechanism, the high-temperature power-on mechanism comprises a fuse wire 41, a fixed pulley 42, a connecting wire 43, a guide block 44, a metal block 45, a first metal sheet 46, a second metal sheet 47, a motor 48 and a power supply 49, one side of the door body 3 is provided with a groove matched with the fuse wire 41, the upper side in the groove is provided with the fixed pulley 42, two ends of the fuse wire 41 are respectively and fixedly connected with two sections of the connecting wire 43, the lower section of the connecting wire 43 is fixedly connected with the lower side of the groove, the upper section of the connecting wire 43 bypasses the fixed pulley 42 in the groove at the upper side to enter the door body 3, the fixed pulley 42 is fixed in the door body 3, the connecting wire 43 bypasses the top of the fixed pulley 42 in the door body 3 to extend downwards, the bottom of the metal block 45 is fixedly connected with the metal block 45, a first metal sheet 46 and a second metal sheet 47 are respectively arranged on two sides below the metal block 45, the metal block 45 is contacted with the first metal sheet 46 and the second metal sheet 47 after moving downwards, one end of the first metal sheet 46 is electrically connected with one electrode of the motor 48, the other electrode of the motor 48 is electrically connected with one electrode of the power supply 49, the other electrode of the power supply 49 is electrically connected with the second metal sheet 47, and the power supply 49 is a storage battery so as to avoid the problem that the motor 48 cannot work due to the fact that an external power supply is powered off when a fire occurs; the pushing mechanism comprises a rotating plate 51 and a plurality of object shifting gears 52, the object shifting gears 52 are uniformly distributed on the inner side of the bottom of the door body 3, the object shifting gears 52 are in transmission connection with an output shaft of the motor 48 through a transmission belt, the rotating plate 51 is in rotational connection with the door body 3, and when the object shifting gears 52 rotate, the rotating plate 51 is shifted to rotate around the connection part with the door body 3;
the door frame 2 is connected with the door body 3 through a hinge, one end of the door closer 1 is fixedly arranged at the top of the door body 3, and the other end of the door closer is fixedly arranged at the top of the door frame 2;
when a fire disaster occurs, the fuse wire 41 is fused by high temperature, when the fuse wire 41 is fused, the metal block 45 moves downwards by virtue of self weight, when the bottom of the metal block 45 is contacted with the first metal sheet 46 and the second metal sheet 47, the motor 48 is electrified to drive the shifting gear 52 to rotate, when the arc-shaped teeth of the shifting gear 52 rotate to one side of the rotating plate 51, the rotating plate 51 is pushed to rotate around the joint of the rotating plate and the door body 3, the rotating plate 51 rotates to push the heavy object blocked at the front side of the door body 3 to move, and the heavy object blocked by the fireproof isolation door is pushed and blocked by multiple pushing operations of the shifting gear 52 and the rotating plate 51 under the action of the door closer 1.
In an optional implementation manner of the embodiment of the invention, the guide block 44 is fixed on the inner wall of the door body 3, and the metal block 45 is inserted with the guide block 44 in a sliding manner; the guide block 44 is used for preventing the metal block 45 from deviating;
the teeth of the object poking gear 52 are arc-shaped teeth, one side of the object poking gear 52 facing the rotating plate 51 is a plane, the shaft of the object poking gear 52 is close to one side of the rotating plate 51, and the door body 3 is provided with a through hole matched with the object poking gear 52; when the circular arc-shaped teeth of the poking gear 52 rotate to one side of the rotating plate 51, the rotating plate 51 is pushed to rotate around the joint of the rotating plate and the door body 3, the rotating plate 51 rotates to push a heavy object blocked at the front side of the door body 3 to move, and the heavy object blocked by the fireproof isolation door is pushed and blocked by the multiple pushing work of the poking gear 52 and the rotating plate 51 under the action of the door closer 1.
In an optional implementation manner of the embodiment of the invention, the fire insulation device comprises a material frame and a flame-retardant material, the material frame is fixed inside the door body 3, the material frame isolates the inside of the door body 3 into a square space and a bevel space, the flame-retardant material fills the whole square space, and part of the structure of the high-temperature power-on mechanism is arranged in the bevel space; the fire-retardant material enables the fire-proof isolation door to resist the attack of high temperature for a longer time after being closed, more time is strived for personnel to escape from a fire scene, and meanwhile, the equipment is protected from being burnt by big fire.
The working principle of the invention is as follows: when a fire disaster occurs, the fuse wire 41 is fused by high temperature, when the fuse wire 41 is fused, the metal block 45 moves downwards by virtue of self weight, when the bottom of the metal block 45 is contacted with the first metal sheet 46 and the second metal sheet 47, the motor 48 is electrified to drive the shifting gear 52 to rotate, when the arc-shaped teeth of the shifting gear 52 rotate to one side of the rotating plate 51, the rotating plate 51 is pushed to rotate around the joint of the rotating plate and the door body 3, the heavy object blocked at the front side of the door body 3 is pushed to move by the rotation of the rotating plate 51, the heavy object of the fire-proof isolation door is pushed and opened by the repeated pushing work of the shifting gear 52 and the rotating plate 51 under the action of the door closer 1, and the device can be matched with the door closer 1 through the protection device to work, so that the heavy object of the fire-proof isolation door can be blocked and opened in time when the fire disaster occurs, and the situation that the fire-proof isolation door does not work during the fire disaster can be occurred, the dense smoke harm in the escape way when reducing the conflagration and taking place reduces the temperature in the escape way to a certain extent, and the device can make the fire prevention isolating door can resist the attack of longer time high temperature after closing through the setting of separating the fire device, strives for more time for the personnel flee the scene of conflagration.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.
Claims (4)
1. The utility model provides a fire prevention insulated door, includes door closer (1) and door frame (2), its characterized in that: the door is characterized by further comprising a door body (3), the door frame (2) is connected with the door body (3) through a hinge, one end of the door closer (1) is fixedly installed at the top of the door body (3), and the other end of the door closer is fixedly installed at the top of the door frame (2);
the door body (3) is of a hollow structure, a protection device and a fire-proof device are arranged in the door body (3), the protection device comprises a high-temperature electrifying mechanism and an object pushing mechanism, and the high-temperature electrifying mechanism comprises a fuse wire (41), a fixed pulley (42), a connecting wire (43), a guide block (44), a metal block (45), a first metal sheet (46), a second metal sheet (47), a motor (48) and a power supply (49);
the utility model discloses a fuse-link (41) complex recess, including the door body (3), upside in the recess is provided with fixed pulley (42), the both ends of fuse-link (41) respectively with two sections connecting wire (43) fixed connection, the hypomere connecting wire (43) with the downside fixed connection of recess, the upper segment connecting wire (43) are walked around the upside in the recess fixed pulley (42) enter into the inside of the door body (3), door body (3) inside is fixed with fixed pulley (42), connecting wire (43) are walked around the door body (3) are inside the top downwardly extending of fixed pulley (42) to bottom fixed connection has metal block (45), the both sides of metal block (45) below are provided with respectively metal sheet one (46) with metal sheet two (47), after metal block (45) the downwardly moving respectively with metal sheet one (46) with metal sheet two (47) ) One end of the first metal sheet (46) is electrically connected with one electrode of the motor (48), the other electrode of the motor (48) is electrically connected with one electrode of the power supply (49), and the other electrode of the power supply (49) is electrically connected with the second metal sheet (47);
the object pushing mechanism comprises a rotating plate (51) and object shifting gears (52), the object shifting gears (52) are uniformly distributed on the inner side of the bottom of the door body (3), the object shifting gears (52) are in transmission connection with an output shaft of the motor (48) through a transmission belt, the rotating plate (51) is in rotating connection with the door body (3), and the object shifting gears (52) shift the rotating plate (51) to rotate around the connection part with the door body (3) when rotating;
the guide block (44) is fixed on the inner wall of the door body (3), and the metal block (45) is in sliding insertion connection with the guide block (44).
2. A fire barrier door as claimed in claim 1, wherein: the gear of the object shifting gear (52) is arc-shaped, one side of the object shifting gear (52) facing the rotating plate (51) is a plane, the shaft of the object shifting gear (52) is close to one side of the rotating plate (51), and a through hole matched with the object shifting gear (52) is formed in the door body (3).
3. A fire barrier door as claimed in claim 1, wherein: the fire insulation device comprises a material frame and a flame-retardant material, the material frame is fixed inside the door body (3), the material frame isolates the inside of the door body (3) into a square space and a folded angle space, the flame-retardant material is filled in the whole square space, and part of the structure of the high-temperature power-on mechanism is arranged in the folded angle space.
4. A fire protection partition according to any one of claims 1-3, wherein the power source (49) is a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891004.9A CN111963030B (en) | 2020-08-29 | 2020-08-29 | Fireproof isolation door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891004.9A CN111963030B (en) | 2020-08-29 | 2020-08-29 | Fireproof isolation door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111963030A CN111963030A (en) | 2020-11-20 |
| CN111963030B true CN111963030B (en) | 2022-01-25 |
Family
ID=73400962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010891004.9A Expired - Fee Related CN111963030B (en) | 2020-08-29 | 2020-08-29 | Fireproof isolation door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963030B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837533B (en) * | 2022-06-09 | 2023-06-23 | 安徽智扬门业股份有限公司 | Fireproof door with smoke flow blocking structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160126798A (en) * | 2015-04-24 | 2016-11-02 | 주식회사 경일엔텍 | air tight door opening and closing device |
| CN205955583U (en) * | 2016-08-25 | 2017-02-15 | 寇恒标 | Burglary -resisting door that can remote control door lock switch |
| CN110499991A (en) * | 2019-09-12 | 2019-11-26 | 傅勇 | A kind of concealed automatic opener device of automatically controlled vertical hinged door |
| CN110593731A (en) * | 2019-10-03 | 2019-12-20 | 陆中艳 | Two-leaf folio fireproof door capable of being closed sequentially |
| CN210460310U (en) * | 2019-07-23 | 2020-05-05 | 成都云停科技有限公司 | Unit access door with protection function for children |
-
2020
- 2020-08-29 CN CN202010891004.9A patent/CN111963030B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160126798A (en) * | 2015-04-24 | 2016-11-02 | 주식회사 경일엔텍 | air tight door opening and closing device |
| CN205955583U (en) * | 2016-08-25 | 2017-02-15 | 寇恒标 | Burglary -resisting door that can remote control door lock switch |
| CN210460310U (en) * | 2019-07-23 | 2020-05-05 | 成都云停科技有限公司 | Unit access door with protection function for children |
| CN110499991A (en) * | 2019-09-12 | 2019-11-26 | 傅勇 | A kind of concealed automatic opener device of automatically controlled vertical hinged door |
| CN110593731A (en) * | 2019-10-03 | 2019-12-20 | 陆中艳 | Two-leaf folio fireproof door capable of being closed sequentially |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111963030A (en) | 2020-11-20 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220111 Address after: 415500 group 5, Shangfu neighborhood committee, Lidan sub district office, Li County, Changde City, Hunan Province Applicant after: Hunan Yuandong civil air defense equipment Co.,Ltd. Address before: 750000 room 3020, Baofeng Ginza center, 243 Minzu North Street, Yinchuan City, Ningxia Hui Autonomous Region Applicant before: Wang Deai |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |