CN213269635U - Novel multi-functional fire door structure - Google Patents
Novel multi-functional fire door structure Download PDFInfo
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- CN213269635U CN213269635U CN202021594716.6U CN202021594716U CN213269635U CN 213269635 U CN213269635 U CN 213269635U CN 202021594716 U CN202021594716 U CN 202021594716U CN 213269635 U CN213269635 U CN 213269635U
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Abstract
The utility model discloses a novel multifunctional fire door structure, which comprises a fire door frame, four fire door rolling hanging blocks, a fire door sliding unit, a fire door rolling unit, a storage box door stopping unit, a blocking slider sliding unit and a sliding door motor; fire door frame: the fire door slip unit is prevented to preceding upper end fixed surface is connected with, and four prevent that fire door rolls up the hanging piece and fix on fire control portal upper end surface, bin stop door unit fixed connection is at the recess side surface that fire control portal back bottom was seted up, recess side surface lower extreme fixedly connected with blocks slider slip unit is seted up to fire control portal back bottom, can conveniently deposit fire control article, does not occupy too much space, and the bin is closed at ordinary times, prevents that the private from opening, only when having intensity of a fire smog or pressing control button, the bin of fire control article can easily be opened.
Description
Technical Field
The utility model relates to a fire door technical field specifically is a novel multi-functional fire door structure.
Background
The fire door is used for stopping the intensity of a fire and stretching when the conflagration, avoids the intensity of a fire to stretch to escape passage and influences the stranded person and flee, and current fire door function singleness does not join in marriage supplementary escape apparatus, can't improve the stranded person probability of fleing.
Wherein current fire door protection is single, need have independent escape equipment case, occupies passageway space, and fire door security is not high during the protection.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel multi-functional fire door structure, the fire door has dual protection's characteristics, and sets up the bin of placing fire control article specially, can conveniently deposit fire control article, does not occupy too much space, and the bin is closed at ordinary times, prevents private opening, only when having intensity of a fire smog or pressing control button, the bin of fire control article can easily be opened, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional fire door structure comprises a fire door frame, four fire door rolling and hanging blocks, a fire door sliding unit, a fire door rolling unit, a storage box door stopping unit, a blocking slide block sliding unit and a sliding door motor;
fire door frame: the storage box door stopping unit is fixedly connected to the side surface of a groove formed in the bottom end of the rear of the fire door frame, and the lower end of the side surface of the groove formed in the bottom end of the rear of the fire door frame is fixedly connected with a blocking sliding block sliding unit;
a fire door sliding unit: the fire door comprises a right sliding door, an upper rack, a cross bar, a transmission shaft, a gear, a lower rack and a left sliding door, wherein the cross bar is fixedly connected to the upper end of a fire door frame, a groove of the right sliding door is slidably connected with the cross bar, the upper end of the right sliding door is fixedly connected with the upper rack, a groove of the left sliding door is slidably connected with the cross bar, the upper end of the left sliding door is fixedly connected with the lower rack, the gear is rotatably connected with the transmission shaft, the upper rack and the lower rack are respectively meshed with the gear, and the rear end of the transmission shaft is fixedly connected with an output shaft of a sliding door motor;
the outer surface of the fireproof door rolling hanging shell in the fireproof door rolling unit is fixedly connected to the left end and the upper end surface of the four fireproof door rolling hanging blocks. An output shaft of a sliding door motor rotates to drive a transmission shaft, a rotating shaft drives a gear to rotate, the gear drives an upper rack to move transversely, the upper rack drives a right sliding door to reciprocate leftwards and rightwards, the gear drives a lower rack to move transversely, and the lower rack drives a left sliding door to reciprocate leftwards and rightwards, so that the sliding door is opened and closed.
Further, the fireproof door roll unit comprises a lower roller, a rotary motor hanging block, a rotary motor, a fireproof door roll hanging shell, a rotary shaft, an upper roller and a fireproof door fire blocking roll, the inner surface of the fireproof door rolling and hanging shell is fixedly connected with a rotating motor hanging block, the rotating motor is fixedly connected on the surface of an inner groove at the upper end of the rotating motor hanging block, the output shaft of the rotating motor is fixedly connected with the right end of the rotating shaft, the left end and the right end of the rotating shaft are rotatably connected with the fixed surface of the fixed block inside the fireproof door rolling and hanging shell, the left end and the right end of the lower roller and the upper roller are respectively and rotatably connected with the fixed surface of the fixed block inside the fireproof door rolling and hanging shell, prevent that fire door keeps off fire and rolls up upper end fixed connection in the axis of rotation surface, prevent that fire door keeps off fire and rolls up the other end and pass the logical groove that fire door book string shell was seted up, prevent that fire door keeps off fire and rolls up with lower cylinder and last cylinder surface rolling connection. The output shaft of the rotating motor rotates to drive the rotating shaft to rotate, the rotating shaft drives the fireproof door fire blocking roll to rotate, the fireproof door fire blocking roll goes up and down to drive the upper roller and the lower roller to roll, and the upper roller and the lower roller ensure that the fireproof door fire blocking roll goes down and rises vertically. The lifting of the fire-blocking roll of the fire-proof door is realized.
Further, bin shutter unit is including stopping slider, bin door leaf, storage chamber door and stopping the slider mounting panel, bin door leaf rear end fixed connection sets up the recess internal surface in fire control portal rear bottom, the front end fixed connection of bin door leaf is on bin door rear end surface, it sets up fluted outer right surface in fire control portal rear bottom to stop slider mounting panel fixed connection. The door leaf of the storage box ensures the opening and closing of the storage box door, and the blocking slide block ensures the closing of the storage box door.
Further, it includes spring, ejector pin, circular slider, rectangular slide rail, transfer line, fixed block, slider transmission shaft and motor to block slider slip unit, the rear end that blocks the slider is fixed connection with the front end of ejector pin, spring coupling is on the ejector pin surface, the spring setting is blockking the slider rear end and is blockking slider mounting panel recess front end, the rectangular slide rail of other end fixed connection of ejector pin, rectangular slide rail internal surface and circular slider sliding connection, circular slider fixed connection is at the transfer line right-hand member, the left end fixed connection slider of transfer line is in the upper end of transmission shaft, fixed block fixed connection is at slider transmission shaft surface, the output shaft fixed connection of slider transmission shaft and motor, the motor is arranged in and is blockked the inside motor mounting groove of slider mounting panel right-hand member. The motor output shaft rotates and drives the sliding block transmission shaft, the fixed block sliding block transmission shaft drives the transmission rod to rotate, the transmission rod drives the circular sliding block to move, the circular sliding block drives the long sliding rail to move transversely, the long sliding rail drives the ejector rod to reciprocate leftwards and rightwards, the ejector rod drives the blocking sliding block to move leftwards and rightwards, the blocking sliding block is guaranteed to block and release the storage box door, and the spring guarantees that the blocking sliding block resets.
Further, still include temperature sensor, sliding door motor hanger block and motor control switch group, the input fixed connection of motor control switch group is connected to temperature sensor's output, temperature sensor fixed connection is on the anterior upper end surface of fire door frame, sliding door motor fixed connection is on sliding door motor hanger block rear end surface, and sliding door motor, rotation motor and motor input are connected respectively to motor control switch group's output, external power source's output is connected to motor control switch group's input electricity. The motor control switch group controls the switch of the motor, and the sliding door motor is fixed by the sliding door motor hanging block.
Compared with the prior art, the beneficial effects of the utility model are that: this multi-functional fire control door structure of type has following benefit:
1. an output shaft of a sliding door motor rotates to drive a transmission shaft, a rotating shaft drives a gear to rotate, the gear drives an upper rack to move transversely, the upper rack drives a right sliding door to reciprocate leftwards and rightwards, the gear drives a lower rack to move transversely, and the lower rack drives a left sliding door to reciprocate leftwards and rightwards, so that the sliding door is opened and closed. The output shaft of rotation motor rotates and drives the axis of rotation and rotate, and the axis of rotation drives prevents that fire door keeps off fire and rolls up and rotate, prevents that fire door keeps off fire and rolls up and down and drive the upper roll and roll with lower cylinder and roll, and upper roll and lower cylinder guarantee to prevent that fire door keeps off fire and roll up the decline and rise perpendicularly, realize preventing that fire door keeps off the lift of fire roll.
2. The motor output shaft rotates and drives the sliding block transmission shaft, the fixed block sliding block transmission shaft drives the transmission rod to rotate, the transmission rod drives the circular sliding block to move, the circular sliding block drives the long sliding rail to move transversely, the long sliding rail drives the ejector rod to reciprocate leftwards and rightwards, the ejector rod drives the blocking sliding block to move leftwards and rightwards, the blocking sliding block is guaranteed to block and release the storage box door, and the spring guarantees that the blocking sliding block resets.
3. The fire door has the characteristics of dual protection, and sets up the bin of placing fire control article specially, can conveniently deposit fire control article, does not occupy too much space, and the bin is closed at ordinary times, prevents private opening, and only when having intensity of a fire smog or pressing control button, the bin of fire control article can easily be opened
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the sliding unit of the fireproof door of the present invention;
fig. 3 is a schematic rear view of the present invention;
FIG. 4 is a schematic view of the sectional structure of the fireproof door roll unit of the present invention;
FIG. 5 is a schematic view of the structure of the door unit of the storage box of the present invention;
fig. 6 is a schematic view of the cross-section enlarged structure of the sliding unit of the blocking slider according to the present invention.
In the figure: 1 fire door frame, 2 temperature sensor, 3 fire door hanging block, 4 fire door sliding unit, 41 right sliding door, 42 upper rack, 43 horizontal bar, 44 transmission shaft, 45 gear, 46 lower rack, 47 left sliding door, 5 fire door rolling unit, 51 lower roller, 52 rotating motor hanging block, 53 rotating motor, 54 fire door rolling shell, 55 rotating shaft, 56 upper roller, 57 fire door fire blocking roll, 6 storage box door blocking unit, 61 blocking slide block, 62 storage box door leaf, 63 storage box door, 64 blocking slide block mounting plate, 7 blocking slide block sliding unit, 71 spring, 72 push rod, 73 circular slide block, 74 long slide rail, 75 transmission rod, 76 fixed block, 77 slide block transmission shaft, 78 motor, 8 sliding door motor hanging block, 9 sliding door motor, 10 motor control switch group.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a novel multifunctional fire door structure comprises a fire door frame 1, four fire door rolling hanging blocks 3, a fire door sliding unit 4, a fire door rolling unit 5, a storage box door stopping unit 6, a blocking slide block sliding unit 7 and a sliding door motor 9;
fire door frame 1: the preceding upper end fixed surface is connected with prevents fire door sliding unit 4, prevents that fire door book string piece 3 fixes at 1 upper end surface of fire control portal, bin stop door unit 6 fixed connection is at the recess side surface that 1 back bottom of fire control portal was seted up, bin stop door unit 6 is including blockking slider 61, bin leaf 62, storage chamber door 63 and blockking slider mounting panel 64, bin leaf 62 rear end fixed connection has seted up the recess internal surface in 1 rear bottom of fire control portal, bin leaf 62's front end fixed connection is at storage chamber door 63 rear end surface, it sets up fluted outer right surface in 1 rear bottom of fire control portal to block slider mounting panel 64 fixed connection. The storage box door leaf 62 ensures the opening and closing of the storage box door 63, and the blocking slide block 61 ensures the closing of the storage box door 63. The lower end of the side surface of the groove formed in the bottom end of the back of the fire door frame 1 is fixedly connected with a blocking slide block sliding unit 7; the blocking slider sliding unit 7 includes a spring 71, a push rod 72, a circular slider 73, an elongated slide rail 74, a transmission rod 75, a fixed block 76, a slider transmission shaft 77, and a motor 78, the rear end of the blocking slide block 61 is fixedly connected with the front end of the ejector rod 72, the spring 71 is connected on the surface of the ejector rod 72, the spring 71 is arranged at the rear end of the blocking slider 61 and the front end of the groove of the blocking slider mounting plate 64, the other end of the top rod 72 is fixedly connected with an elongated slide rail 74, the inner surface of the elongated slide rail 74 is connected with a circular slide block 73 in a sliding way, the circular slider 73 is fixedly connected to the right end of the transmission rod 75, the left end of the transmission rod 75 is fixedly connected to the upper end of the transmission shaft 77, the fixed block 76 is fixedly connected with the outer surface of a slide block transmission shaft 77, the slide block transmission shaft 77 is fixedly connected with an output shaft of a motor 78, the motor 78 is disposed in a motor mounting slot inside the right end of the blocking slider mounting plate 64. The output shaft of the motor 78 rotates to drive the slide block transmission shaft 77, the slide block transmission shaft 77 of the fixed block 76 drives the transmission rod 75 to rotate, the transmission rod 75 drives the circular slide block 73 to move, the circular slide block 73 drives the long slide rail 74 to move transversely, the long slide rail 74 drives the ejector rod 72 to reciprocate left and right, the ejector rod 72 drives the blocking slide block 61 to move left and right, the blocking slide block 61 is guaranteed to clamp and release the storage box door 63, and the spring 71 guarantees the blocking slide block 61 to reset.
The fire door sliding unit 4: the fire door structure comprises a right sliding door 41, an upper rack 42, a cross bar 43, a transmission shaft 44, a gear 45, a lower rack 46 and a left sliding door 47, wherein the cross bar 43 is fixedly connected to the upper end of a fire door frame 1, a groove of the right sliding door 41 is slidably connected with the cross bar 43, the upper end of the right sliding door 41 is fixedly connected with the upper rack 42, a groove of the left sliding door 47 is slidably connected with the cross bar 43, the upper end of the left sliding door 47 is fixedly connected with the lower rack 46, the gear 45 is rotatably connected with the transmission shaft 44, the upper rack 42 and the lower rack 46 are respectively meshed with the gear 45, and the rear end of the transmission shaft 44 is fixedly connected with an output shaft of a sliding door motor 9;
the outer surface of the fire door rolling casing 54 of the fire door rolling unit 5 is fixedly connected to the left and upper end surfaces of the four fire door rolling blocks 3. The fire door roll unit 5 includes a lower drum 51, a rotation motor hanger 52, a rotation motor 53, a fire door roll hanger case 54, a rotation shaft 55, an upper drum 56, and a fire door fireproof roll 57, the inner surface of the fireproof door rolling-hanging shell 54 is fixedly connected with a rotating motor hanging block 52, the rotating motor 53 is fixedly connected with the surface of the inner groove at the upper end of the rotating motor hanging block 52, the output shaft of the rotating motor 53 is fixedly connected with the right end of a rotating shaft 55, the left end and the right end of the rotating shaft 55 are rotatably connected with the fixed surface of a fixed block inside the fireproof door rolling and hanging shell 54, the left and right ends of the lower roller 51 and the upper roller 56 are rotatably connected to the fixing block fixing surfaces inside the fireproof door rolling-hanging case 54, the upper end of the fireproof door fire blocking roll 57 is fixedly connected to the surface of the rotating shaft 55, the other end of the fireproof door fire blocking roll 57 penetrates through a through groove formed in the fireproof door rolling and hanging shell 54, and the fireproof door fire blocking roll 57 is in surface rolling connection with the lower roller 51 and the upper roller 56. The output shaft of the rotating motor 53 rotates to drive the rotating shaft 55 to rotate, the rotating shaft 55 drives the fireproof door fire blocking roll 57 to rotate, the fireproof door fire blocking roll 57 goes up and down to drive the upper roller 56 and the lower roller 51 to roll, and the upper roller 56 and the lower roller 51 ensure that the fireproof door fire blocking roll 57 goes down and goes up vertically. The lifting of the fire door fireproof roll 57 is realized. Still include temperature sensor 2, sliding door motor hanging piece 8 and motor control switch group 10, the input fixed connection of motor control switch group 10 is connected to temperature sensor 2's output, 2 fixed connection of temperature sensor is at the anterior upper end surface of fire door frame 1, sliding door motor 9 fixed connection is on sliding door motor hanging piece 8 rear end surface, and the output of motor control switch group 10 is connected respectively at sliding door motor 9, is rotated motor 53 and motor 78 input, the output of external power source is connected to the input electricity of motor control switch group 10. The motor control switch group 10 controls the opening and closing of the motor 78, and the sliding door motor 9 is fixed by the sliding door motor hanging block 8.
When in use: an output shaft of the sliding door motor 9 rotates to drive the transmission shaft 44, the rotating shaft 44 drives the gear 45 to rotate, the gear 45 drives the upper rack 42 to move transversely, the upper rack 42 drives the right sliding door 41 to reciprocate leftwards and rightwards, the gear 45 drives the lower rack 46 to move transversely, and the lower rack 46 drives the left sliding door 47 to reciprocate leftwards and rightwards, so that the sliding door is opened and closed. The output shaft of the rotating motor 53 rotates to drive the rotating shaft 55 to rotate, the rotating shaft 55 drives the fireproof door fire blocking roll 57 to rotate, the fireproof door fire blocking roll 57 goes up and down to drive the upper roller 56 and the lower roller 51 to roll, and the upper roller 56 and the lower roller 51 ensure that the fireproof door fire blocking roll 57 goes down and goes up vertically. The lifting of the fire door fireproof roll 57 is realized. The output shaft of the motor 78 rotates to drive the slide block transmission shaft 77, the slide block transmission shaft 77 of the fixed block 76 drives the transmission rod 75 to rotate, the transmission rod 75 drives the circular slide block 73 to move, the circular slide block 73 drives the long slide rail 74 to move transversely, the long slide rail 74 drives the ejector rod 72 to reciprocate left and right, the ejector rod 72 drives the blocking slide block 61 to move left and right, the blocking slide block 61 is guaranteed to clamp and release the storage box door 63, and the spring 71 guarantees the blocking slide block 61 to reset. The storage box door leaf 62 ensures the opening and closing of the storage box door 63, and the blocking slide block 61 ensures the closing of the storage box door 63. The temperature sensor 2 controls the opening and closing of the motor 78, and the sliding door motor 9 is fixed by the sliding door motor hanging block 8.
It should be noted that the motor control switch set disclosed in this embodiment is provided with control buttons corresponding to the rotating motor 53, the motor 78 and the sliding door motor 9, the motor control switch set is internally provided with a PLC single chip microcomputer, the rotating motor 53 is of a type Y315S-10, the motor 78 is of a type Y132S-8, the sliding door motor 9 is of a type Y315L2-10, and the motor control switch set controls the rotating motor 53, the motor 78 and the sliding door motor 9 to work by a method commonly used in the prior art.
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 (5)
1. The utility model provides a novel multi-functional fire door structure which characterized in that: the fire door structure comprises a fire door frame (1), four fire door rolling hanging blocks (3), a fire door sliding unit (4), a fire door rolling unit (5), a storage box door stopping unit (6), a blocking slide block sliding unit (7) and a sliding door motor (9);
fire door frame (1): the fireproof door sliding unit (4) is fixedly connected to the upper end surface of the front side, the four fireproof door rolling and hanging blocks (3) are fixed to the upper end surface of the fire door frame (1), the storage box door stopping unit (6) is fixedly connected to the side surface of the groove formed in the bottom end of the rear side of the fire door frame (1), and the blocking sliding block sliding unit (7) is fixedly connected to the lower end of the side surface of the groove formed in the bottom end of the rear side of the fire door frame (1);
fireproof door sliding unit (4): the fire-fighting door comprises a right sliding door (41), an upper rack (42), a cross bar (43), a transmission shaft (44), a gear (45), a lower rack (46) and a left sliding door (47), wherein the cross bar (43) is fixedly connected to the upper end of a fire-fighting door frame (1), a groove of the right sliding door (41) is in sliding connection with the cross bar (43), the upper end of the right sliding door (41) is fixedly connected with the upper rack (42), a groove of the left sliding door (47) is in sliding connection with the cross bar (43), the upper end of the left sliding door (47) is fixedly connected with the lower rack (46), the gear (45) is rotatably connected with the transmission shaft (44), the upper rack (42) and the lower rack (46) are respectively meshed with the gear (45), and the rear end of the transmission shaft (44) is fixedly connected with an output shaft of a sliding door motor (9);
the outer surface of a fireproof door rolling shell (54) in the fireproof door rolling unit (5) is fixedly connected to the left ends and the upper end surfaces of the four fireproof door rolling hanging blocks (3).
2. The novel multifunctional fire fighting door structure according to claim 1, characterized in that: the fireproof door rolling unit (5) comprises a lower roller (51), a rotating motor hanging block (52), a rotating motor (53), a fireproof door rolling hanging shell (54), a rotating shaft (55), an upper roller (56) and a fireproof door fire blocking roll (57), wherein the inner surface of the fireproof door rolling hanging shell (54) is fixedly connected with the rotating motor hanging block (52), the rotating motor (53) is fixedly connected with the inner groove surface at the upper end of the rotating motor hanging block (52), the output shaft of the rotating motor (53) is fixedly connected with the right end of the rotating shaft (55), the left end and the right end of the rotating shaft (55) are rotatably connected with the fixed block fixed surface inside the fireproof door rolling hanging shell (54), the left end and the right end of the lower roller (51) and the upper roller (56) are respectively rotatably connected with the fixed block fixed surface inside the fireproof door rolling hanging shell (54), the upper end of the fireproof door fire blocking roll (57) is fixedly connected, the other end of the fireproof door fire blocking roll (57) penetrates through a through groove formed in the fireproof door hanging shell (54), and the fireproof door fire blocking roll (57) is in surface rolling connection with the lower roller (51) and the upper roller (56).
3. The novel multifunctional fire fighting door structure according to claim 1, characterized in that: bin stop gate unit (6) is including stopping slider (61), bin door leaf (62), storage chamber door (63) and stopping slider mounting panel (64), bin door leaf (62) rear end fixed connection sets up fluted internal surface in fire door frame (1) rear bottom, the front end fixed connection of bin door leaf (62) is on storage chamber door (63) rear end surface, it sets up fluted outer right surface in fire door frame (1) rear bottom to stop slider mounting panel (64) fixed connection.
4. The novel multifunctional fire fighting door structure according to claim 1, characterized in that: the blocking slide block sliding unit (7) comprises a spring (71), a push rod (72), a circular slide block (73), a long slide rail (74), a transmission rod (75), a fixed block (76), a slide block transmission shaft (77) and a motor (78), the rear end of the blocking slide block (61) is fixedly connected with the front end of the push rod (72), the spring (71) is connected to the surface of the push rod (72), the spring (71) is arranged at the front end of a groove of the blocking slide block (61) and a blocking slide block mounting plate (64), the other end of the push rod (72) is fixedly connected with the long slide rail (74), the inner surface of the long slide rail (74) is slidably connected with the circular slide block (73), the circular slide block (73) is fixedly connected to the right end of the transmission rod (75), the left end of the transmission rod (75) is fixedly connected with the upper end of the slide block transmission shaft (77), and the, the sliding block transmission shaft (77) is fixedly connected with an output shaft of the motor (78), and the motor (78) is arranged in a motor mounting groove in the right end of the blocking sliding block mounting plate (64).
5. The novel multifunctional fire fighting door structure according to any one of claims 1, 2 and 4, characterized in that: still include temperature sensor (2), sliding door motor hanger block (8) and motor control switch group (10), the input fixed connection of motor control switch group (10) is connected to the output of temperature sensor (2), temperature sensor (2) fixed connection is on the anterior upper end surface of fire control portal (1), sliding door motor (9) fixed connection is on sliding door motor hanger block (8) rear end surface, and the output of motor control switch group (10) is connected respectively at sliding door motor (9), is rotated motor (53) and motor (78) input, the output of external power source is connected to the input electricity of motor control switch group (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594716.6U CN213269635U (en) | 2020-08-04 | 2020-08-04 | Novel multi-functional fire door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594716.6U CN213269635U (en) | 2020-08-04 | 2020-08-04 | Novel multi-functional fire door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213269635U true CN213269635U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021594716.6U Expired - Fee Related CN213269635U (en) | 2020-08-04 | 2020-08-04 | Novel multi-functional fire door structure |
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| CN (1) | CN213269635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109225A (en) * | 2021-11-12 | 2022-03-01 | 江苏省光华科技发展有限公司 | Novel inorganic cloth fireproof rolling shutter door structure |
-
2020
- 2020-08-04 CN CN202021594716.6U patent/CN213269635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109225A (en) * | 2021-11-12 | 2022-03-01 | 江苏省光华科技发展有限公司 | Novel inorganic cloth fireproof rolling shutter door structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |