CN111021901A - Civil air defense engineering protective door for subway civil air defense - Google Patents
Civil air defense engineering protective door for subway civil air defense Download PDFInfo
- Publication number
- CN111021901A CN111021901A CN201911396682.1A CN201911396682A CN111021901A CN 111021901 A CN111021901 A CN 111021901A CN 201911396682 A CN201911396682 A CN 201911396682A CN 111021901 A CN111021901 A CN 111021901A
- Authority
- CN
- China
- Prior art keywords
- air defense
- civil air
- frame
- door
- subway
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged doors or windows
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B2009/801—Locking arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention relates to a civil air defense engineering protective door for subway civil air defense, and belongs to the technical field of civil air defense. The door frame comprises a side frame and an upper frame, the door frame is hinged to the side frame, a groove is formed in the bottom surface of the upper frame along the length direction of the upper frame, a piece of shielding cloth is connected in the groove, the edge, far away from the groove, of the piece of shielding cloth is connected with a counterweight strip, and a locking mechanism for preventing the counterweight strip from moving out of the groove is arranged in the groove. Has the advantage that a temporary barrier for blocking toxic gases is formed in advance during the closing process of the protective door.
Description
Technical Field
The invention relates to the technical field of civil air defense, in particular to a civil air defense engineering protective door for subway civil air defense.
Background
Underground urban rail transit is an important component of modern urban public transport, underground urban rail transit engineering is an underground traffic trunk line at ordinary times, is an evacuation trunk line for people in cities to prevent air in wartime, can be used as a personnel shelter, guarantees the safety of personnel and equipment under urban secondary disasters when and after being attacked by nuclear weapons, chemical weapons and conventional weapons, and has the function of improving the comprehensive protection capability of the whole city.
The subway civil air defense door can prevent flooding, fire and dust and can isolate smoke and toxic gas. Because the civil air defense door is large in size and heavy in weight, the closing is slow, and a certain time is needed. However, the diffusion speed of the smoke or the toxic gas is high, the civil air defense door is closed slowly, and the smoke or the toxic gas easily enters a space needing to be closed in the closing process of the civil air defense door.
Disclosure of Invention
The invention aims to provide a civil air defense engineering protective door for subway civil air defense, which has the advantage that a temporary barrier for blocking toxic gas is formed in advance in the closing process of the protective door.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a civil air defense engineering guard gate that subway civil air defense was used, includes the door frame and the door body, the door frame includes side frame and last frame, the door body articulate in on the side frame, it has the recess to open along the length direction of last frame to go up the frame bottom surface, the recess in-connection has the tarpaulin, its edge connection with groove connection is kept away from to the tarpaulin has the counter weight strip, be equipped with the locking mechanism that prevents the counter weight strip and shift out the recess in the recess.
Implement above-mentioned technical scheme, locking mechanism removes the restriction back to the counter weight strip, and the counter weight strip moves down and drives under the effect of gravity and expand under the wiring that hides in the recess and shelter from the door opening.
Furthermore, two sides that the side frame is relative go up to be equipped with along side frame length direction and be used for restricting the spout at counter weight strip both ends.
Implement above-mentioned technical scheme, the spout carries on spacingly to the moving direction of counter weight strip, better shelters from the door opening after making the blanket whereabouts.
Furthermore, two ends of the counterweight strip are rotatably connected with pulleys in sliding fit with the sliding grooves.
Implement above-mentioned technical scheme, the setting up of pulley makes the counter weight strip slide more smoothly in the spout.
Further, the pulley is a damping pulley.
By implementing the technical scheme, the damping pulley reduces the falling acceleration of the counterweight strip, so that the falling speed of the counterweight strip is reduced.
Furthermore, a reel is rotatably connected in the groove along the length direction of the upper frame, and the shielding cloth is wound on the reel.
Implement above-mentioned technical scheme, the matte is accomodate in the recess through the spool.
Furthermore, the edge of one end of the shielding cloth is connected with the bottom wall in the groove, and the shielding cloth is folded in the groove in a corrugated mode.
Implement above-mentioned technical scheme, expand more rapidly smooth and easy after the folding of the corrugated formula of matte.
Further, the weight bar is made of a flexible material.
Implement above-mentioned technical scheme, injure personnel by a crashing object when avoiding the counter weight strip whereabouts.
Further, locking mechanism is including rotating the connecting rod of connecting in door body side upper end, just the connecting rod level is located a body top, go up frame length direction's both ends and offer with the recess intercommunication and along the rectangular hole that last frame length direction extends, upward be equipped with branch on the frame, the one end sliding connection who goes up the frame is kept away from to branch is in the middle part of connecting rod, works as when the door body is the contained angle that is greater than critical angle with the frame, the one end that the door body was kept away from to the connecting rod stretch into rectangular hole butt in the counter weight bottom, when the door frame is the contained angle that is less than critical angle with the frame, the butt to the counter weight is cancelled in the one end slip of the door body is kept.
Implement above-mentioned technical scheme, when the door body rotated to the contained angle and is less than the critical value towards the door frame, the connecting rod cancellation was to the butt of counter weight strip, and the counter weight strip is downward landing promptly, and the matte expandes.
Furthermore, the one end that counter weight strip was kept away from to the matte is equipped with easily tearing the line along the matte width direction.
By implementing the technical scheme, the easy-to-tear line is convenient for tearing off the shielding cloth after the door body is closed and opened, and the shielding of the door opening is cancelled.
In conclusion, the invention has the following beneficial effects: after the locking mechanism removes the restriction to the counter weight strip, the counter weight strip moves down under the effect of gravity and drives the lower expansion of the cloth covering line in the groove to cover the door opening, so that the door opening is covered before the door body is closed, and the toxic gas reaching the door opening is reduced and passes through the door opening.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a partial schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a part of the structure of the first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a side frame according to a first embodiment of the present invention;
FIG. 5 is a schematic view of a first embodiment of the fabric of the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1. a door frame; 2. a door body; 21. a side frame; 22. an upper frame; 3. covering cloth; 4. a groove; 5. a weight strip; 6. a chute; 7. a pulley; 8. a reel; 9. a connecting rod; 10. a strip hole; 11. a strut; 12. and (4) easily tearing the line.
Detailed Description
The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.
The first embodiment is as follows:
the invention provides a civil air defense engineering protection door for subway civil air defense, which comprises a door frame 1 and a door body 2, wherein the door frame 1 comprises an upper frame 22 and side frames 21 positioned at two sides of the upper frame 22, and the door body 2 is hinged on the side frames 21.
As shown in fig. 2 and 3, a groove 4 is formed in the bottom surface of the upper frame 22 along the length direction of the upper frame 22, a reel 8 is rotatably connected to the groove 4, a covering cloth 3 is wound around the reel 8, and one end edge of the covering cloth 3 is connected to the reel 8. The edge of one end of the cloth 3 far away from the scroll 8 is connected with a counterweight strip 5. The two ends of the counterweight strip 5 are rotatably connected with pulleys 7, and the pulleys 7 adopt damping pulleys in the embodiment of the invention. In order to avoid hitting and injuring the person below during lowering of the weight bar 5, the weight bar 5 is made of a flexible material, such as banana, sponge, plastic foam, etc. A locking mechanism is connected between the upper frame 22 and the door body 2, the locking mechanism comprises a connecting rod 9 which is rotatably connected to the upper end of the side surface of the door body 2, and the connecting rod 9 is horizontally positioned above the door body 2. Go up frame 22 length direction's both ends and seted up with recess 4 intercommunication and along the rectangular hole 10 that last frame 22 length direction extends, be equipped with branch 11 on going up frame 22, the one end sliding connection that last frame 22 was kept away from to branch 11 is in the middle part of connecting rod 9. When the door body 2 and the frame are at an included angle larger than the critical angle, one end of the connecting rod 9 far away from the door body 2 extends into the strip hole 10 to abut against the bottom of the counterweight strip 5, and when the door frame 1 and the frame are at an included angle smaller than the critical angle, one end of the connecting rod 9 far away from the door body 2 slides to cancel the abutting against the counterweight strip 5. In the embodiment of the invention, the critical angle is 85 °, and when the door body 2 rotates to less than 85 ° between the upper frames 22, the weight bar 5 descends to drive the covering cloth 3 to cover the door opening.
As shown in fig. 4, the side frame 21 has a slide groove 6 formed on the opposite surface thereof along the longitudinal direction of the side frame 21, and the slide groove 6 cooperates with the pulley 7 to lower the weight bar 5 in a stable state.
As shown in fig. 5, an easy-to-tear line 12 is disposed at one end of the cover 3 away from the weight strip 5 along the width direction of the cover 3, so that the cover 3 can be conveniently torn down after the door body 2 is closed and opened, and the door opening can be shielded.
Example two:
a civil air defense engineering protective door for subway civil air defense is shown in figure 6, and is different from the embodiment I in that a shielding cloth 3 is folded in a corrugated manner and is arranged in a groove 4, and a scroll 8 is omitted. The bellows-type folding has the advantage that the unrolling of the awning cloth 3 is faster with respect to the turning open from the roller 8.
Claims (9)
1. The utility model provides a civil air defense engineering guard gate that subway civil air defense was used, includes door frame (1) and the door body (2), door frame (1) is including side frame (21) and last frame (22), the door body (2) articulate in on side frame (21), its characterized in that, the length direction who goes up frame (22) bottom surface edge has opened recess (4), recess (4) in-connection has the tarpaulin (3), the marginal connection that its and recess (4) are connected is kept away from in the tarpaulin (3) has counter weight strip (5), be equipped with the locking mechanism that prevents counter weight strip (5) and shift out recess (4) in recess (4).
2. A civil air defense engineering protective door for subway civil air defense as claimed in claim 1, characterized in that, the opposite faces of the two side frames (21) are provided with sliding grooves (6) along the length direction of the side frames (21) for limiting the two ends of the counterweight strip (5).
3. A civil air defense engineering protective door for subway civil air defense as claimed in claim 2, characterized in that, the two ends of the counterweight strip (5) are rotatably connected with pulleys (7) sliding fit with the chute (6).
4. A civil air defense engineering protective door for civil air defense of a subway according to claim 3, characterized in that the pulley (7) is a damping pulley.
5. A civil air defense engineering protective door for subway civil air defense as claimed in claim 1, characterized in that a reel (8) is rotatably connected in the groove (4) along the length direction of the upper frame (22), and the shielding cloth (3) is wound on the reel (8).
6. A civil air defense engineering protective door for civil air defense of a subway according to claim 1, characterized in that one end edge of the shielding cloth (3) is connected with the inner bottom wall of the groove (4), and the shielding cloth (3) is folded in the groove (4) in a corrugated manner.
7. Civil air defense engineering protection door for civil protection of a subway according to claim 1, characterized in that the counterweight strip (5) is made of flexible material.
8. The civil air defense engineering protective door for subway civil air defense according to claim 1, characterized in that, the locking mechanism comprises a connecting rod (9) rotatably connected to the upper end of the side surface of the door body (2), and the connecting rod (9) is horizontally positioned above the door body (2), the two ends of the length direction of the upper frame (22) are provided with a long hole (10) communicated with the groove (4) and extending along the length direction of the upper frame (22), the upper frame (22) is provided with a supporting rod (11), one end of the supporting rod (11) far away from the upper frame (22) is slidably connected to the middle part of the connecting rod (9), when the door body (2) and the frame are at an included angle larger than a critical angle, one end of the connecting rod (9) far away from the door body (2) extends into the long hole (10) and abuts against the bottom of the counterweight strip (5), and when the door frame (1) and the frame are at an included angle smaller than, one end of the connecting rod (9) far away from the door body (2) slides to cancel the butt joint of the counterweight strip (5).
9. A civil air defense engineering protective door for subway civil air defense as claimed in claim 1, characterized in that the end of the awning cloth (3) far from the counterweight strip (5) is provided with an easy-to-tear line (12) along the width direction of the awning cloth (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396682.1A CN111021901B (en) | 2019-12-30 | 2019-12-30 | Civil air defense engineering protective door for subway civil air defense |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396682.1A CN111021901B (en) | 2019-12-30 | 2019-12-30 | Civil air defense engineering protective door for subway civil air defense |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111021901A true CN111021901A (en) | 2020-04-17 |
| CN111021901B CN111021901B (en) | 2021-04-06 |
Family
ID=70195929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911396682.1A Active CN111021901B (en) | 2019-12-30 | 2019-12-30 | Civil air defense engineering protective door for subway civil air defense |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111021901B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839534Y (en) * | 2005-09-27 | 2006-11-22 | 励增财 | A kind of protection door and window with embedded roller shutter |
| CN103122747A (en) * | 2011-11-18 | 2013-05-29 | 皇田工业股份有限公司 | Track type sun shading device |
| EP2754843A2 (en) * | 2013-01-11 | 2014-07-16 | SCHÜCO International KG | Mounting assembly for a sunshade and kit for the same |
| CN206972124U (en) * | 2017-07-13 | 2018-02-06 | 广东人防建筑设计院有限公司 | Prevent fires, protect dual-purpose landing-type plugging during imminence of war rolling screen door |
| CN109723333A (en) * | 2018-12-01 | 2019-05-07 | 上海海钊民防设备有限公司 | A kind of double-open type closed guard gate |
| CN209838189U (en) * | 2018-12-28 | 2019-12-24 | 吉林化工学院 | Fire self-rescue anti-theft window smoke-shielding curtain |
-
2019
- 2019-12-30 CN CN201911396682.1A patent/CN111021901B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839534Y (en) * | 2005-09-27 | 2006-11-22 | 励增财 | A kind of protection door and window with embedded roller shutter |
| CN103122747A (en) * | 2011-11-18 | 2013-05-29 | 皇田工业股份有限公司 | Track type sun shading device |
| EP2754843A2 (en) * | 2013-01-11 | 2014-07-16 | SCHÜCO International KG | Mounting assembly for a sunshade and kit for the same |
| CN206972124U (en) * | 2017-07-13 | 2018-02-06 | 广东人防建筑设计院有限公司 | Prevent fires, protect dual-purpose landing-type plugging during imminence of war rolling screen door |
| CN109723333A (en) * | 2018-12-01 | 2019-05-07 | 上海海钊民防设备有限公司 | A kind of double-open type closed guard gate |
| CN209838189U (en) * | 2018-12-28 | 2019-12-24 | 吉林化工学院 | Fire self-rescue anti-theft window smoke-shielding curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111021901B (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2849855B1 (en) | Smoke or fire barrier | |
| US20220042371A1 (en) | Foldable draft prevention device | |
| KR100842219B1 (en) | The structure of emergency door for of screen shutter for fire proofing | |
| KR102085438B1 (en) | Fire shutter with lower roller | |
| CN111021901B (en) | Civil air defense engineering protective door for subway civil air defense | |
| US5183093A (en) | Removable sealing device for a raisable-curtain industrial door | |
| KR20200143118A (en) | Fire door shutter | |
| KR100962490B1 (en) | Fireproof screen shutter | |
| CN215255832U (en) | Special-shaped fire-fighting rolling shutter door structure for office building | |
| CN101025071A (en) | Self-alarming smoke-proof corridor door-wall | |
| CN206352507U (en) | It is a kind of quickly to handle the tunnel structure of contingency automatically | |
| KR20110064803A (en) | Fixing structure of exit for fireproof screen shutter | |
| JPH0115678B2 (en) | ||
| KR200423391Y1 (en) | A fireproof shutter | |
| KR20210005389A (en) | Double row fire shutter | |
| KR100773432B1 (en) | A door for roll mosquito net of union structure | |
| JPH0756197B2 (en) | Sliding door shutter | |
| CN218029943U (en) | People's air defense protective airtight door with buffer structure | |
| JP4334257B2 (en) | Opening and closing body device | |
| CN215169430U (en) | Protective door with temporary separation mechanism for civil air defense engineering | |
| CN218787085U (en) | Indoor fire-proof rolling curtain structure | |
| CN209277778U (en) | A kind of the double of top sealing open fire resistant doorsets | |
| CN218347264U (en) | Anti-impact fireproof door | |
| JP2007224723A (en) | Closing device | |
| JP3999246B2 (en) | Closing device and method for opening and closing body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |