CN215608906U - Small-gap parallel combined movable smoke-blocking vertical wall - Google Patents
Small-gap parallel combined movable smoke-blocking vertical wall Download PDFInfo
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- CN215608906U CN215608906U CN202122071728.1U CN202122071728U CN215608906U CN 215608906 U CN215608906 U CN 215608906U CN 202122071728 U CN202122071728 U CN 202122071728U CN 215608906 U CN215608906 U CN 215608906U
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Abstract
The utility model relates to the technical field of fire-fighting equipment, in particular to a small-gap parallel-combined movable smoke-blocking vertical wall, wherein at least two smoke-blocking vertical wall devices are arranged, each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall, a roller shutter device, a supporting device and a control device for controlling the movement of the roller shutter device, the smoke-blocking vertical walls which are arranged in parallel are the same in vertical length in a working state, and the supporting plate, the supporting frame and a connecting fastener which are arranged in the supporting device are all of thin and flat structures in the horizontal direction, so that the distance between the two adjacent smoke-blocking vertical walls can be reduced; through the regulation hole of motor is located the bottom, convenient regulation, can make the both sides limit that keeps off cigarette cloth by roll up curtain device tip and extend and approach supporting device, the gap diminishes, and is equipped with the counter weight at the bottom of the curtain, not only very big control the volume of leaking cigarette, effectively improved the anti-wind pendulum performance and the flagging height of product moreover, improved the fail safe nature that electronic fender cigarette droops under one's command and used by a wide margin.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a small-gap parallel-combined movable smoke-blocking vertical wall.
Background
Keep off the cigarette and hang down the wall and be one kind and can prevent the protective screen that cigarette and hot gas horizontal flow when the conflagration breaing out, the current cigarette that keeps off hangs down the wall and is fixed installation and flagging setting, because the width that keeps off the cigarette and hang down the wall can not exceed 4 meters, consequently, needs the problem of large-span heterotypic concatenation in big place, but among the prior art, because the reason of structure, cause to have great interval between the adjacent cigarette curtain that keeps off, nevertheless in the use, the cigarette volume of leaking that keeps off between the cigarette wall that hangs down is great, and the cigarette effect of keeping off receives serious influence, consequently urgently needs a parallelly connected cigarette that keeps off and hangs down the wall gap less, the less device of the volume of leaking cigarette.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provides a movable smoke-blocking vertical wall with small gaps combined in parallel, wherein at least two smoke-blocking vertical wall devices are arranged, each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall, a roller shutter device, a supporting device and a control device for controlling the movement of the roller shutter device, and the smoke-blocking vertical walls arranged in parallel have the same vertical length in a working state, so that an integrated smoke-blocking barrier can be formed; the supporting plate, the supporting frame and the connecting fastener which are arranged on the supporting device are all in thin and flat structures in the horizontal direction, so that the distance between two adjacent smoke-blocking vertical walls can be reduced; through the regulation hole of motor is located the bottom, convenient regulation, can make the both sides limit that keeps off cigarette cloth by it is close to roll up curtain device tip extension supporting device, two adjacent cigarette that keep off hang the wall gap and diminish, and the curtain end is equipped with the configuration base that plays the counter weight effect, not only very big control the volume of leaking cigarette, effectively improved the anti-wind pendulum performance and the flagging height of product moreover, improved the fail safe nature that electronic cigarette that keeps off hung the wall and use by a wide margin.
The specific technical scheme provided by the utility model is as follows:
a small-gap parallel combined movable smoke-blocking vertical wall is used for blocking smoke in indoor fire control and comprises at least two smoke-blocking vertical wall devices which are arranged in parallel, each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall used for blocking smoke from passing through, a rolling curtain device used for driving the smoke-blocking vertical wall to fall or roll, a supporting device used for stably supporting the rolling curtain device and a control device used for controlling the rolling curtain device to move, and the vertical lengths of the smoke-blocking vertical walls which are arranged in parallel are the same in a working state; the supporting device comprises a supporting plate fixedly connected with a building and a supporting frame arranged on the supporting plate and used for supporting the roller shutter device, and the supporting plate, the supporting frame and the connecting fastener all adopt thin and flat structures in the horizontal direction; the end part of the rolling shutter device is provided with a motor, and the adjusting hole of the motor is positioned at the bottom, so that the two side edges of the smoke blocking cloth extend from the end part of the rolling shutter device to approach the supporting device, the gap of the vertical wall of the smoke blocking cloth is reduced, and the throughput of smoke is reduced.
Preferably, the smoke blocking cloth that smoke blocking vertical wall was equipped with is made by silica gel fire prevention cloth, and thickness should be not less than 0.5mm, smoke blocking cloth's flagging length should be not less than 500 mm.
Furthermore, the edge of the bottom of the smoke blocking cloth is provided with a configuration base playing a role of a counterweight, and the configuration base comprises a metal clamping base, so that the smoke blocking cloth can quickly hang down and keep flat under the action of gravity.
Further, the roller shutter device comprises a roller, one end of the smoke blocking cloth is fixedly connected with the roller, a rotating shaft is arranged in the roller, the end part of the rotating shaft is connected with a motor, and the roller is driven by the motor to rotate and drive the smoke blocking cloth to be in a smoke blocking state around the roller in a curling or hanging mode.
Further, the adjusting hole of the motor is positioned at the bottom, so that the motor is convenient to adjust, and meanwhile, a lead of the motor extends out of the bottom.
Furthermore, the support frame comprises a support and a support plate, the support is provided with a through hole, the through hole is connected with the support column arranged at the motor end in a matching mode, the through hole arranged on the support plate is connected with the rotating shaft arranged at the rear end of the roller in a matching mode, and the support, the support plate and a connecting fastener comprising a bolt head and a nut are of thin and flat structures in the horizontal direction.
Furthermore, the distance L between the two parallel smoke blocking cloths is required to be 0< L and is less than or equal to 10 mm.
Furthermore, the control device is connected with all the motors connected in parallel and the smoke sensor installed indoors, judgment is carried out according to data information transmitted by the smoke sensor, and all the rolling curtain devices are intelligently controlled to respectively drive the smoke blocking vertical wall to rapidly hang down to be in a smoke blocking state or to curl upwards to stop the smoke blocking state.
Furthermore, the control device judges according to the data information transmitted by the smoke sensor, and the intelligent control part drives the smoke blocking vertical wall to rapidly hang down to be in a smoke blocking state or upwards curls the smoke blocking vertical wall to stop the smoke blocking state.
Further, the control device further comprises a button for controlling the movement of the rolling shutter device manually.
The beneficial effects are that:
the utility model provides a small-gap parallel-combined movable smoke-blocking vertical wall, wherein at least two smoke-blocking vertical wall devices are arranged, each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall, a rolling curtain device, a supporting device and a control device for controlling the movement of the rolling curtain device, and the smoke-blocking vertical walls which are arranged in parallel have the same vertical length in a working state, so that an integrated smoke-blocking barrier can be formed; the supporting plate, the supporting frame and the connecting fastener which are arranged on the supporting device are all in thin and flat structures in the horizontal direction, so that the distance between two adjacent smoke-blocking vertical walls can be reduced; through the regulation hole of motor is located the bottom, convenient regulation, can make the both sides limit that keeps off cigarette cloth by it is close to roll up curtain device tip extension supporting device, two adjacent cigarette that keep off hang the wall gap and diminish, and the curtain end is equipped with the configuration base that plays the counter weight effect, not only very big control the volume of leaking cigarette, effectively improved the anti-wind pendulum performance and the flagging height of product moreover, improved the fail safe nature that electronic cigarette that keeps off hung the wall and use by a wide margin.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is an enlarged view I of fig. 1.
Wherein:
a support plate 1; a groove 11;
a first shade device 2; a first front axle 21; a first connecting hub 22; a first drum 23; a lead wire 24; a motor 25; a motor debugging port 251; a support shaft 252; a first rear axle 26; a C-shaped extension plate 27;
3, a roof;
a second roller shutter device 4; the second front shaft 41; a second connecting hub 42; a second roller 43; a C-shaped extension plate 44;
a control box 5; a control button 6;
a first smoke barrier vertical wall 7; a first smoke barrier cloth 71; configuring the base 72; a fastener 73; a coating 74;
a second smoke-stop vertical wall 8; a second smoke barrier cloth 81;
a bracket 9; a support plate 10; a screw fastener 12.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated; "number" means more than two; the description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Referring to fig. 1-3, a preferred embodiment of the present invention:
a small gap parallel combined movable smoke-blocking vertical wall is used for indoor fire-fighting smoke blocking and comprises two smoke-blocking vertical wall devices which are placed in parallel, wherein the first smoke-blocking vertical wall device comprises a first rolling curtain device 2 and a first smoke-blocking vertical wall 7; the first smoke-blocking vertical wall device comprises a second roller shutter device 4 and a second smoke-blocking vertical wall 8, and the first roller shutter device 2 and the second roller shutter device 4 are controlled by a control device.
Preferably, the first smoke-blocking vertical wall 7 comprises a first smoke-blocking cloth 71 for blocking the thick smoke from passing through, the first smoke-blocking cloth 71 is made of silica gel fireproof cloth, the thickness of the first smoke-blocking cloth is not less than 0.5mm, and the drooping length of the smoke-blocking cloth is not less than 500 mm; fire-proof coatings 74 wrap the two sides of the first smoke-blocking cloth 71, so that the wear resistance is improved, and the phenomenon of thread falling is prevented; one end of the first smoke barrier cloth 71 is fixedly connected with the first roller 23 of the first roller blind device 2 through a fastener (not shown in the figure), the bottom edge of the first smoke barrier cloth 71 at the other end is fixedly connected with a configuration base 72 through a fastener 73, the configuration base 72 plays a role of balancing the first smoke barrier cloth 71, and the configuration base 72 comprises a metal clamping base, so that the first smoke barrier cloth 71 is quickly lowered and kept flat under the action of gravity.
Further, a first connecting hub 22 is fixedly installed in the first roller 23 of the first curtain rolling device 2, a rotating shaft is fixedly connected to the middle of the first connecting hub 22, the rotating shaft includes a first front shaft 21 located at the front end and a first rear shaft 26 located at the rear end on the same axis, the front end of the first front shaft 21 is connected to a motor 25, the first front shaft 21 rotates to drive the first roller 23 to rotate under the driving of the motor 25, so that the first smoke barrier cloth 71 is driven to hang down around the first roller 23 to be in a smoke barrier state, after a task is completed, the first roller 23 rotates in the opposite direction to drive the first smoke barrier cloth 71 to curl around the first roller 23 to be in a placement state, and a lead 24 of the motor 25 is connected to the control box 5. The C-shaped extension plate 27 is fixedly installed at the end of the first roller 23, the C-shaped extension plate 27 is used for supporting the first smoke-blocking cloth 71 extending from the end of the first roller 23, and the drooping deformation of the hanging wall cloth is effectively prevented under the condition that the distance between the first smoke-blocking hanging wall 7 and the second smoke-blocking hanging wall 8 is reduced, so that the smoothness and the integrity are improved.
The supporting device comprises a supporting plate 1, a support plate 10, a bracket 9 and a screw fastener 12.
The bearing plate 1 is fixedly connected with the roof 3 through a fixing screw (not shown in the figure), the bearing plate 1 is connected with the bracket 9 through a screw fastener 12 at the front end of the first roller 23, and the bearing plate 1, the bracket 9, a screw head of the screw fastener 12 and a connected nut are all thin and flat structures in the horizontal direction of connection, so that the distance between two adjacent smoke-blocking vertical walls can be reduced; the bracket 9 is provided with a through hole for supporting a supporting shaft 252 extending from the end of the motor 25.
Furthermore, a groove 11 is arranged on the support plate 1, and the connection part of the groove 11 and the plane is in arc r transition connection; the cross-sectional area of the groove 11 matches the cross-sectional area of the wire 24 from which the motor 25 extends.
The sharp corners of the strip 10 and the bracket 9 on the side facing the first smoke barrier 71 are all arcs r to prevent the edges of the first smoke barrier 71 from being scratched or worn.
At the rear end of the first roller 23, the support plate 1 is connected with the support plate 10 through a screw fastener 12, and the support plate 1, the support plate 10, the screw head of the screw fastener 12 and the connected nut are all thin and flat structures in the horizontal direction of connection, so that the distance between two adjacent smoke blocking vertical walls can be reduced; the support plate 10 is provided with a through hole for supporting the first rear axle 26.
Further, the motor adjusting opening 251 of the motor 25 is located at the bottom, so as to facilitate adjustment, and two side edges of the first smoke barrier cloth 71 can extend from the end of the first rolling screen device 2 to approach the supporting device, so that the gap between two adjacent smoke barrier vertical walls is reduced, the throughput of smoke is reduced, and the adjustment of the motor is not affected.
The second smoke-blocking vertical wall device has the same structure as the first smoke-blocking vertical wall device.
The second smoke-blocking vertical wall 8 comprises second smoke-blocking cloth 81 for blocking thick smoke from passing through, the second smoke-blocking cloth 81 is made of silica gel fireproof cloth, the thickness of the second smoke-blocking cloth is not less than 0.5mm, and the vertical length of the second smoke-blocking cloth is not less than 500 mm; the fire-proof coating 74 is wrapped on the two sides of the second smoke-blocking cloth 81, so that the wear resistance is improved, and the phenomenon of thread falling is prevented; second cigarette cloth 81 one end is passed through fastener (not shown in the figure) and second cylinder 43 fixed connection of second book curtain device 4, the other end second cigarette cloth 81 bottom edge all links firmly together through fastener 73 with configuration base 72, it is right that configuration base 72 is right second cigarette cloth 81 plays the counter weight effect, configuration base 72 includes the metal centre gripping base, makes second cigarette cloth 81 that keeps off descends fast and keeps the flat and flat under the effect of gravity.
Further, a second connecting hub 42 is fixedly installed in the second roller 43 provided in the second rolling device 4, the middle of the second connecting hub 42 is fixedly connected with a rotating shaft, the rotating shaft includes a second front shaft 41 located at the front end and a rear shaft located at the rear end on the same axis, the front end of the second front shaft 41 is connected with a motor 25, the second front shaft 41 rotates to drive the second roller 43 to rotate under the driving of the motor 25, so that the second smoke blocking cloth 81 is driven to hang down around the second roller 43 to be in a smoke blocking state, after the task is completed, the second roller 43 rotates in the opposite direction to drive the second smoke blocking cloth 81 to curl around the second roller 43 to be in a placing state, and the lead 24 of the motor 25 is connected with the control box 5. The C-shaped extension plate 44 is fixedly installed at the end of the second roller 43, the C-shaped extension plate 44 is used for supporting the second smoke-blocking cloth 81 extending from the end of the second roller 43, and the drooping deformation of the vertical wall cloth is effectively prevented under the condition that the distance between the first smoke-blocking vertical wall 7 and the second smoke-blocking vertical wall 8 is reduced, so that the smoothness and the integrity are improved.
The supporting device comprises a supporting plate 1, a support plate 10, a bracket 9 and a screw fastener 12.
The bearing plate 1 is fixedly connected with the roof 3 through a fixing screw (not shown in the figure), the bearing plate 1 is connected with the bracket 9 through a screw fastener 12 at the front end of the second roller 43, and the bearing plate 1, the bracket 9, a screw head of the screw fastener 12 and a connected nut are all thin and flat structures in the horizontal direction of connection, so that the distance between two adjacent smoke blocking vertical walls can be reduced; the bracket 9 is provided with a through hole for supporting a supporting shaft 252 extending from the end of the motor 25.
Furthermore, a groove 11 is arranged on the support plate 1, and the connection part of the groove 11 and the plane is in arc r transition connection; the cross-sectional area of the groove 11 matches the cross-sectional area of the wire 24 from which the motor 25 extends.
The sharp corners of the side of the support plate 10 or the support 9 facing the second smoke barrier 81 may be arcs r to prevent the side of the second smoke barrier 81 from being scratched or worn.
At the rear end of the second roller 43, the support plate 1 is connected with the support plate 10 through a screw fastener 12, and the support plate 1, the support plate 10, the screw head of the screw fastener 12 and the connected nut are all thin and flat structures in the horizontal direction of connection, so that the distance between two adjacent smoke blocking vertical walls can be reduced; the support plate 10 is provided with a through hole for supporting a rear axle.
Further, the motor adjusting opening 251 of the motor 25 is located at the bottom, so that the adjustment is convenient, the two side edges of the second smoke blocking cloth 81 can extend from the end of the second rolling screen device 4 to approach the supporting device, and the adjustment of the motor is not influenced when the gap between two adjacent smoke blocking vertical walls is reduced and the throughput of smoke is reduced.
Further, the vertical lengths of the smoke blocking vertical walls which are arranged in parallel are the same when the smoke blocking vertical walls are in a working state; the distance L between the two smoke blocking cloths is satisfied, and L is more than 0 and less than or equal to 10 mm.
Further, the control box 5 of the control device is connected with all the motors 25 connected in parallel and the smoke sensors installed indoors, and judges according to data information transmitted by the smoke sensors, and intelligently controls the first rolling shutter device 2 and the second rolling shutter device 4 to respectively drive the first smoke-blocking vertical wall 7 and the second smoke-blocking vertical wall 8 to rapidly hang down to be in a smoke-blocking state or to curl upwards to stop the smoke-blocking state.
Further, the control device also comprises a control device for controlling the movement of the first roller blind device 2 and the second roller blind device 4 through a control button 6 manually.
It should be noted that, in some embodiments, according to specific needs, a plurality of the smoke barrier hanging wall devices may be arranged and used in parallel.
The beneficial effects are that:
the utility model provides a small-gap parallel-combined movable smoke-blocking vertical wall, wherein at least two smoke-blocking vertical wall devices are arranged, each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall, a rolling curtain device, a supporting device and a control device for controlling the movement of the rolling curtain device, and the smoke-blocking vertical walls which are arranged in parallel have the same vertical length in a working state, so that an integrated smoke-blocking barrier can be formed; the supporting plate, the supporting frame and the connecting fastener which are arranged on the supporting device are all in thin and flat structures in the horizontal direction, so that the distance between two adjacent smoke-blocking vertical walls can be reduced; through the regulation hole of motor is located the bottom, convenient regulation, can make the both sides limit that keeps off cigarette cloth by it is close to roll up curtain device tip extension supporting device, two adjacent cigarette that keep off hang the wall gap and diminish, and the curtain end is equipped with the configuration base that plays the counter weight effect, not only very big control the volume of leaking cigarette, effectively improved the anti-wind pendulum performance and the flagging height of product moreover, improved the fail safe nature that electronic cigarette that keeps off hung the wall and use by a wide margin.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (10)
1. The utility model provides a wall is hung down to movable fender cigarette of parallelly connected combination of little gap for indoor fire control keeps off the cigarette, keeps off the parallelly connected placing of wall device that hangs down of cigarette including at least two, its characterized in that: each smoke-blocking vertical wall device comprises a smoke-blocking vertical wall for blocking smoke from passing through, a rolling curtain device for driving the smoke-blocking vertical wall to fall or roll, a supporting device for stably supporting the rolling curtain device and a control device for controlling the rolling curtain device to move, and the smoke-blocking vertical walls which are placed in parallel have the same vertical length in a working state; the supporting device comprises a supporting plate fixedly connected with a building and a supporting frame arranged on the supporting plate and used for supporting the roller shutter device, and the supporting plate, the supporting frame and the connecting fastener all adopt thin and flat structures in the horizontal direction; the end part of the rolling shutter device is provided with a motor, and the adjusting hole of the motor is positioned at the bottom, so that the two side edges of the smoke blocking cloth extend from the end part of the rolling shutter device to approach the supporting device, the gap of the vertical wall of the smoke blocking cloth is reduced, and the throughput of smoke is reduced.
2. The small gap parallel combination movable smoke barrier suspended wall of claim 1, wherein: the cigarette blocking cloth that the cigarette blocking vertical wall was equipped with is made by silica gel fire prevention cloth, and thickness should be not less than 0.5mm, the flagging length that keeps off cigarette cloth should be not less than 500 mm.
3. The small gap parallel combination movable smoke barrier suspended wall of claim 2, wherein: the configuration base that plays the counter weight effect is equipped with at cigarette blocking cloth bottom edge, the configuration base includes metal centre gripping base for cigarette blocking cloth hangs down fast and keeps the flatness under the effect of gravity.
4. The small gap parallel combination movable smoke barrier suspended wall of claim 3, wherein: the roller shutter device comprises a roller, one end of the smoke blocking cloth is fixedly connected with the roller, a rotating shaft is arranged in the roller, the end part of the rotating shaft is connected with a motor, and the roller is driven by the motor to rotate to drive the smoke blocking cloth to curl or hang down around the roller to be in a smoke blocking state.
5. The small gap parallel combination movable smoke barrier suspended wall of claim 4, wherein: the adjusting hole of the motor is positioned at the bottom, so that the motor is convenient to adjust, and meanwhile, the lead of the motor extends out of the bottom.
6. The small gap parallel combination movable smoke barrier suspended wall of claim 5, wherein: the support frame comprises a support and a support plate, the support is provided with a through hole, the through hole is connected with a support column arranged at the motor end in a matching mode, the through hole arranged in the support plate is connected with a rotating shaft arranged at the rear end of the roller in a matching mode, and the support, the support plate and a connecting fastener comprising a bolt head and a nut are of thin and flat structures in the horizontal direction.
7. The small gap parallel combination movable smoke barrier suspended wall of claim 6, wherein: the distance L between the two parallel smoke blocking cloths is satisfied, and L is more than 0 and less than or equal to 10 mm.
8. The small gap parallel combination movable smoke barrier suspended wall of claim 7, wherein: the control device is connected with all the motors connected in parallel and the smoke sensors installed indoors, judgment is carried out according to data information transmitted by the smoke sensors, and all the rolling curtain devices are intelligently controlled to respectively drive the smoke blocking vertical walls to rapidly hang down to be in a smoke blocking state or to curl upwards to stop the smoke blocking state.
9. The small gap parallel combination movable smoke barrier suspended wall of claim 8, wherein: the control device judges according to the data information transmitted by the smoke sensor, and the intelligent control part drives the smoke blocking vertical wall to rapidly hang down to be in a smoke blocking state or upwards curls the smoke blocking vertical wall to stop the smoke blocking state.
10. The small gap parallel combination movable smoke barrier suspended wall of claim 9, wherein: the control device also comprises a button which is used for controlling the movement of the roller shutter device manually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122071728.1U CN215608906U (en) | 2021-08-31 | 2021-08-31 | Small-gap parallel combined movable smoke-blocking vertical wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122071728.1U CN215608906U (en) | 2021-08-31 | 2021-08-31 | Small-gap parallel combined movable smoke-blocking vertical wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215608906U true CN215608906U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122071728.1U Active CN215608906U (en) | 2021-08-31 | 2021-08-31 | Small-gap parallel combined movable smoke-blocking vertical wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215608906U (en) |
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2021
- 2021-08-31 CN CN202122071728.1U patent/CN215608906U/en active Active
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