CN112031597A - Safety lightweight concrete protective airtight door - Google Patents
Safety lightweight concrete protective airtight door Download PDFInfo
- Publication number
- CN112031597A CN112031597A CN202010830073.9A CN202010830073A CN112031597A CN 112031597 A CN112031597 A CN 112031597A CN 202010830073 A CN202010830073 A CN 202010830073A CN 112031597 A CN112031597 A CN 112031597A
- Authority
- CN
- China
- Prior art keywords
- door
- door body
- folding
- lightweight concrete
- slider
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 16
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 24
- 230000009970 fire resistant effect Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- 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
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
-
- 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
- E05F7/00—Accessories for wings not provided for in other groups of this subclass
- E05F7/06—Devices for taking the weight of the wing, arranged away from the hinge axis
-
- 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
- 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
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention relates to the field of protective airtight doors, and discloses a safe lightweight concrete protective airtight door which comprises a first door body and a second door body, wherein the top side of the first door body is abutted against the bottom side of a door frame, the side wall of the door frame is fixedly connected with the outer surface of a wall body, a sliding groove is formed in the door frame, a sliding block is connected in the sliding groove in a sliding mode, one surface of the sliding block is welded with the top end of a folding frame, and a first rotating shaft is rotatably connected between two groups of folding frames. This security lightweight concrete protection airtight door, when the sealing door was closed, the slider slided in the spout, slider pulling folding leg returns and contracts, the folding leg drives the sealing door and removes towards the direction that the slider removed after folding around first pivot, when two sets of sliders contradict each other, the lateral wall of two sets of first door bodies is contradicted simultaneously also, the sealing door is in the state of closing this moment, through the slider, the cooperation of spout and gyro wheel is used, make sealing door can all close by the way in long-range or manual under the emergency.
Description
Technical Field
The invention relates to the field of protective airtight doors, in particular to a safe lightweight concrete protective airtight door.
Background
The concrete protective sealing door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fire-resistant partition which is arranged in a fire-resistant partition room, an evacuation staircase, a vertical shaft and the like and has certain fire resistance.
In the current concrete protective airtight door, the shortcoming that exists has:
1. in the prior art, after a sealed door is not used for a long time, the door body is very labored to open and close, and the door body cannot be smoothly closed in a manual or remote mode in case of emergency;
2. in the prior art, a closed door is easy to collapse in a fire and cannot provide powerful protection.
Therefore, a safety lightweight concrete protective airtight door is designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a safe lightweight concrete protective airtight door, which solves the problems that a door body cannot be successfully closed in a manual or remote mode, the airtight door is easy to collapse in a fire disaster, and powerful protection cannot be provided.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a security lightweight concrete protection airtight door, includes the first door body and the second door body, the first door body and the second door body are cuboid hollow structure, and the position of the first door body and the second door body is parallel to each other, the top side of the first door body is contradicted with the bottom side of door frame, the lateral wall of door frame and the fixed surface of wall body are connected, and have seted up the spout on the door frame, sliding connection has the slider in the spout, and the maximum distance that the slider removed is half of spout length, the one side of slider and the top welding of folding leg, and rotate in the middle of two sets of folding legs and be connected with first pivot.
Further, the top side of the first door body is rotatably connected with one side of the second rotating shaft, the other side of the second rotating shaft is fixedly connected with the tail end of the folding frame, the tail end of the folding frame is hinged to the top end of the connecting shaft through a steel wire rope, and the tail end of the connecting shaft is sleeved on the outer wall curved surface of the motor center shaft.
Furthermore, a clamping groove is installed on one side of the second door body, a clamping block is clamped in the clamping groove, one surface of the clamping block is fixedly connected with one surface of the first door body close to the second door body, and the clamping groove and the clamping block are located between the first door body and the second door body.
Further, the bottom side of the first door body is provided with rollers, the side wall of the first door body is provided with a handle, the wall body is provided with two groups of alarms, and the middle of one side of the first door body and one side of the second door body close to the ground are provided with sensors.
Furthermore, a concrete filling layer is filled in the cavity of the first door body, and a Teflon clamping plate is installed in the cavity of the second door body.
The invention has the beneficial effects that:
1. according to the invention, when the sealing door is closed, the sliding block slides in the sliding groove, the sliding block pulls the folding frame to retract, the folding frame is folded around the first rotating shaft to drive the sealing door to move towards the moving direction of the sliding block, when two groups of sliding blocks are mutually abutted, the side walls of two groups of first door bodies are also abutted simultaneously, at the moment, the sealing door is in a closed state, and the sealing door can be closed by the way of remote or manual operation under emergency conditions through the cooperation of the sliding block, the sliding groove and the roller.
2. According to the invention, after the central shaft is driven to rotate by the motor, the steel wire rope pulls the folding rod to recover, the first door body automatically closes, so that the function of remotely closing the sealing door under the unattended condition is realized, the concrete filling layer is filled in the cavity of the first door body, the Teflon clamping plate is arranged in the cavity of the second door body, the fireproof capacity of the sealing door is improved, and the door body can collapse in a big fire.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right view structure of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. a first door body; 2. a roller; 3. a second door body; 4. a wall body; 5. a door frame; 6. an alarm; 7. a handle; 8. a chute; 9. a motor; 10. a card slot; 11. an inductor; 12. a clamping block; 13. a connecting shaft; 14. a first rotating shaft; 15. a folding frame; 16. a second rotating shaft; 17. a slider; 18. a concrete filling layer; 19. a Teflon splint.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-3: a safety lightweight concrete protective airtight door comprises a first door body 1 and a second door body 3, wherein the first door body 1 and the second door body 3 are both of a cuboid hollow structure, the positions of the first door body 1 and the second door body 3 are parallel to each other, the top side of the first door body 1 is abutted against the bottom side of a door frame 5, the side wall of the door frame 5 is fixedly connected with the outer surface of a wall body 4, a sliding groove 8 is formed in the door frame 5, a sliding block 17 is connected in the sliding groove 8 in a sliding mode, the maximum moving distance of the sliding block 17 is half of the length of the sliding groove 8, one side of the sliding block 17 is welded with the top end of a folding frame 15, a first rotating shaft 14 is rotatably connected between the two groups of folding frames 15, the sliding block 17 and the sliding groove 8 are installed at the top end of the airtight door for use in a matched mode, when the airtight door is closed, the sliding block 17 slides in the sliding groove 8, the sliding block 17 pulls, when two sets of sliders 17 contradict each other, the lateral wall of two sets of first door bodies 1 is contradicted simultaneously, and sealing door is in the state of closing this moment, uses through slider 17, spout 8 and gyro wheel 2's cooperation for sealing door can all be closed by the way in long-range or manual under the emergency.
Wherein, the top side of the first door body 1 rotates with the one side of second pivot 16 to be connected, and the another side of second pivot 16 and the tail end fixed connection of folding leg 15, the tail end of folding leg 15 passes through wire rope with the top of connecting axle 13 and articulates, and the tail end cover of connecting axle 13 is established on the outer wall curved surface of motor 9 center pin, the drive center pin of motor 9 rotates the back, wire rope pulling folding rod retrieves, the automatic self-closing of the first door body 1, thereby realized can be long-rangely with the long-range function of closing of sealing door under the condition of unmanned guard.
Wherein, draw-in groove 10 is installed to one side of the second door body 3, and has connect fixture block 12 in the draw-in groove 10, and the one side of fixture block 12 is close to the one side fixed connection of the second door body 3 with the first door body 1, and draw-in groove 10 and fixture block 12 all are in the centre of the first door body 1 and the second door body 3, make sealing door position stable like this, the state that the guarantee was normally opened.
The roller 2 is installed at the bottom side of the first door body 1, the handle 7 is installed on the side wall of the first door body 1, the two groups of alarms 6 are installed on the wall body 4, the inductor 11 is installed between the sides, close to the ground, of the first door body 1 and the second door body 3, the sealing door is convenient to move, and meanwhile, when an emergency occurs, alarm reminding can be given out at all times.
Wherein, the cavity intussuseption of first door body 1 is filled with concrete filling layer 18, installs teflon splint 19 in the cavity of second door body 3 for the fire behavior of sealing door promotes like this, and the door body originally can collapse in the big fire.
In summary, when the sealing door is used, after the central shaft is driven to rotate by the motor 9, the steel wire rope pulls the folding rod to recover, and the first door body 1 is automatically closed, so that the function of remotely closing the sealing door under the unattended condition is realized, the fireproof capacity of the sealing door is improved, the door body would collapse in a big fire, when the sealing door is closed, the sliding block 17 slides in the sliding groove 8, the sliding block 17 pulls the folding frame 15 to retract, the folding frame 15 drives the sealing door to move towards the sliding block 17 after being folded around the first rotating shaft 14, when the two groups of sliding blocks 17 are mutually abutted, the side walls of the two groups of first door bodies 1 are also abutted simultaneously, at the moment, the sealing door is in a closed state, and the sealing door can be closed incidentally in a long-distance or manual mode through the matching use of the sliding block 17, the sliding groove 8 and the roller 2.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a security lightweight concrete protective airtight door, includes first door body (1) and second door body (3), its characterized in that: first door body (1) and the second door body (3) are cuboid hollow structure, and the position of the first door body (1) and the second door body (3) is parallel to each other, the top side of the first door body (1) is contradicted with the bottom side of door frame (5), the lateral wall of door frame (5) is connected with the fixed surface of wall body (4), and has seted up spout (8) on door frame (5), sliding connection has slider (17) in spout (8), and the maximum distance that slider (17) removed is half of spout (8) length, the one side of slider (17) and the top welding of folding leg (15), and rotate in the middle of two sets of folding legs (15) and be connected with first pivot (14).
2. The safety lightweight concrete protective containment door of claim 1, wherein: the top side of the first door body (1) is connected with one side of the second rotating shaft (16) in a rotating mode, the other side of the second rotating shaft (16) is fixedly connected with the tail end of the folding frame (15), the tail end of the folding frame (15) is hinged to the top end of the connecting shaft (13) through a steel wire rope, and the tail end of the connecting shaft (13) is sleeved on the outer wall curved surface of the central shaft of the motor (9).
3. The safety lightweight concrete protective containment door of claim 1, wherein: the door is characterized in that a clamping groove (10) is installed on one side of the second door body (3), a clamping block (12) is clamped in the clamping groove (10), one surface of the clamping block (12) is fixedly connected with one surface, close to the second door body (3), of the first door body (1), and the clamping groove (10) and the clamping block (12) are located between the first door body (1) and the second door body (3).
4. The safety lightweight concrete protective containment door of claim 1, wherein: the bottom side of the first door body (1) is provided with the idler wheel (2), the side wall of the first door body (1) is provided with the handle (7), the wall body (4) is provided with the two sets of alarms (6), and the middle of one side of the first door body (1) and the second door body (3) close to the ground is provided with the inductor (11).
5. The safety lightweight concrete protective containment door of claim 1, wherein: a concrete filling layer (18) is filled in the cavity of the first door body (1), and a Teflon clamping plate (19) is installed in the cavity of the second door body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830073.9A CN112031597A (en) | 2020-08-18 | 2020-08-18 | Safety lightweight concrete protective airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830073.9A CN112031597A (en) | 2020-08-18 | 2020-08-18 | Safety lightweight concrete protective airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112031597A true CN112031597A (en) | 2020-12-04 |
Family
ID=73577552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010830073.9A Pending CN112031597A (en) | 2020-08-18 | 2020-08-18 | Safety lightweight concrete protective airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112031597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575955A (en) * | 2020-12-15 | 2021-03-30 | 山东开杰环保科技有限公司 | Heat-insulating water-based wood-plastic wall panel |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168942Y (en) * | 1993-08-25 | 1994-06-15 | 胡雁 | Double-layer same-direction opening type anti-prizing door |
| TW322115U (en) * | 1996-01-20 | 1997-12-01 | Bai Jin Co Ltd | Fireproof door |
| CN202266168U (en) * | 2011-08-30 | 2012-06-06 | 黄坚强 | Improved fireproof door |
| CN202391298U (en) * | 2011-12-09 | 2012-08-22 | 袁宁 | Casement-type wood-aluminum combined door/window |
| CN103912178A (en) * | 2014-04-15 | 2014-07-09 | 江苏绿建节能科技有限公司 | Automatic door opening and closing device |
| CN106996249A (en) * | 2017-06-03 | 2017-08-01 | 合肥伊只门窗有限公司 | A kind of fire resistant doorsets with escaping function |
| CN107882461A (en) * | 2017-02-15 | 2018-04-06 | 宁波市世纪防护设备厂 | A kind of moisture-proof airtight door automatic opening-closing that can be compareed automatically |
| CN207436846U (en) * | 2017-10-31 | 2018-06-01 | 东风设计研究院有限公司 | A kind of drying oven overhauls door connection structure |
| CN108119030A (en) * | 2017-12-21 | 2018-06-05 | 珠海华发建筑设计咨询有限公司 | The normally opened fire resistant doorsets of fire-fighting link |
| CN207847458U (en) * | 2018-01-17 | 2018-09-11 | 浙江金迪门业有限公司 | A kind of finger timber |
| CN207988863U (en) * | 2017-12-31 | 2018-10-19 | 天津翔瀚人防工程防护设备有限公司 | A kind of closed guard gate with shock wave resistance function |
| CN208330123U (en) * | 2018-06-20 | 2019-01-04 | 福州以恒电子技术有限公司 | A kind of anticorrosive fire-proof door |
| CN209083186U (en) * | 2018-08-09 | 2019-07-09 | 常州市长城屏蔽机房设备有限公司 | Rotating electromagnetic shield door |
| CN110005321A (en) * | 2019-04-22 | 2019-07-12 | 郑州轻工业学院 | A kind of high impact properties fireproof acoustic door leaf and preparation method thereof |
| CN209384977U (en) * | 2018-09-13 | 2019-09-13 | 天津市耀晖人防设备有限公司 | A kind of reinforced concrete protection sealing door opened with power-assisted |
| CN209510103U (en) * | 2018-12-17 | 2019-10-18 | 河北五加金属门窗制造有限公司 | There is one kind outer edge to protect multi-functional airtight blast door |
| CN210013628U (en) * | 2019-01-24 | 2020-02-04 | 楚天科技股份有限公司 | Door body structure and automatic sealing door with same |
-
2020
- 2020-08-18 CN CN202010830073.9A patent/CN112031597A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168942Y (en) * | 1993-08-25 | 1994-06-15 | 胡雁 | Double-layer same-direction opening type anti-prizing door |
| TW322115U (en) * | 1996-01-20 | 1997-12-01 | Bai Jin Co Ltd | Fireproof door |
| CN202266168U (en) * | 2011-08-30 | 2012-06-06 | 黄坚强 | Improved fireproof door |
| CN202391298U (en) * | 2011-12-09 | 2012-08-22 | 袁宁 | Casement-type wood-aluminum combined door/window |
| CN103912178A (en) * | 2014-04-15 | 2014-07-09 | 江苏绿建节能科技有限公司 | Automatic door opening and closing device |
| CN107882461A (en) * | 2017-02-15 | 2018-04-06 | 宁波市世纪防护设备厂 | A kind of moisture-proof airtight door automatic opening-closing that can be compareed automatically |
| CN107882460A (en) * | 2017-02-15 | 2018-04-06 | 宁波市世纪防护设备厂 | Automatic opening and closing device capable of rotating 180 degrees for moisture-proof sealed door |
| CN106996249A (en) * | 2017-06-03 | 2017-08-01 | 合肥伊只门窗有限公司 | A kind of fire resistant doorsets with escaping function |
| CN207436846U (en) * | 2017-10-31 | 2018-06-01 | 东风设计研究院有限公司 | A kind of drying oven overhauls door connection structure |
| CN108119030A (en) * | 2017-12-21 | 2018-06-05 | 珠海华发建筑设计咨询有限公司 | The normally opened fire resistant doorsets of fire-fighting link |
| CN207988863U (en) * | 2017-12-31 | 2018-10-19 | 天津翔瀚人防工程防护设备有限公司 | A kind of closed guard gate with shock wave resistance function |
| CN207847458U (en) * | 2018-01-17 | 2018-09-11 | 浙江金迪门业有限公司 | A kind of finger timber |
| CN208330123U (en) * | 2018-06-20 | 2019-01-04 | 福州以恒电子技术有限公司 | A kind of anticorrosive fire-proof door |
| CN209083186U (en) * | 2018-08-09 | 2019-07-09 | 常州市长城屏蔽机房设备有限公司 | Rotating electromagnetic shield door |
| CN209384977U (en) * | 2018-09-13 | 2019-09-13 | 天津市耀晖人防设备有限公司 | A kind of reinforced concrete protection sealing door opened with power-assisted |
| CN209510103U (en) * | 2018-12-17 | 2019-10-18 | 河北五加金属门窗制造有限公司 | There is one kind outer edge to protect multi-functional airtight blast door |
| CN210013628U (en) * | 2019-01-24 | 2020-02-04 | 楚天科技股份有限公司 | Door body structure and automatic sealing door with same |
| CN110005321A (en) * | 2019-04-22 | 2019-07-12 | 郑州轻工业学院 | A kind of high impact properties fireproof acoustic door leaf and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575955A (en) * | 2020-12-15 | 2021-03-30 | 山东开杰环保科技有限公司 | Heat-insulating water-based wood-plastic wall panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103266838A (en) | Threshold-free civil defense door of doorway | |
| CN112031597A (en) | Safety lightweight concrete protective airtight door | |
| CN201599060U (en) | Hydraulic vertical-rotatable type anti-submerging protective closed isolation door in metro sections | |
| CN201802248U (en) | Balance door | |
| CN211647713U (en) | Interval partition door | |
| CN207686475U (en) | A kind of fire-fighting fire-proof door and window external-open hangs special hinge outside | |
| CN114673437A (en) | Zero-obstacle waterproof passage door for cultural relics storehouses or gold storehouses | |
| CN220353758U (en) | Door leaf structure of ultra-large steel fireproof door | |
| CN218716356U (en) | Quick-opening fireproof door | |
| CN217925579U (en) | Escape window for fire | |
| CN218206448U (en) | Prevent fire door with two-way locking structure | |
| CN206801359U (en) | Double-leaf steel structure airtight blast door | |
| CN204960681U (en) | Put aside integral type window body structure | |
| CN215907694U (en) | Electric split sliding door for fire fighting | |
| CN218293375U (en) | Bidirectional switch type fireproof door | |
| CN112145041A (en) | Theftproof nature al-alloy door & window with effect gives sound insulation | |
| CN215169111U (en) | Self-service luggage consignment equipment emergency exit | |
| CN213736516U (en) | Novel cargo tank cover with transmission structure | |
| CN217925678U (en) | Climbing-preventing device for electric door | |
| CN213234865U (en) | Bulletproof security window structure | |
| CN213234811U (en) | Fire door that prevents that facilitates use | |
| CN221373328U (en) | Novel plastic-aluminum door and window structure | |
| CN202023462U (en) | Horizontal opening and pushing device for automatic fireproofing door | |
| CN219431709U (en) | Smoke-isolation fire-fighting automatic door for market | |
| CN214740905U (en) | Intelligent fireproof window with fire detection function |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |