CN111731434B - Cabin door and positive pressure cabin using same - Google Patents
Cabin door and positive pressure cabin using same Download PDFInfo
- Publication number
- CN111731434B CN111731434B CN202010595488.2A CN202010595488A CN111731434B CN 111731434 B CN111731434 B CN 111731434B CN 202010595488 A CN202010595488 A CN 202010595488A CN 111731434 B CN111731434 B CN 111731434B
- Authority
- CN
- China
- Prior art keywords
- door
- pressure relief
- handle
- cabin
- hole
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of ships and discloses a cabin door and a positive pressure cabin using the cabin door. The cabin door comprises a door body, a first handle, a pressure relief cover and a transmission part. A first handle is rotatably arranged on one side of the door body, the door body is provided with pressure relief holes communicated with two sides of the door body, the pressure relief cover is used for plugging the pressure relief holes, one end of the transmission piece is connected to the first handle, and the other end of the transmission piece is connected to the pressure relief cover; when the first handle is rotated, the transmission part can drive the pressure relief cover to be far away from the pressure relief hole. The invention simplifies the pressure relief operation of the positive pressure cabin and improves the use convenience and the practicability.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a cabin door and a positive pressure cabin using the cabin door.
Background
Cabins with various purposes are often required to be arranged on a ship to meet the requirements of various work and cargo carrying on the ship, air inside the cabins can be relatively dirty and even dangerous gas can be generated due to the purposes of the cabins or the reasons of storing articles, and the requirements of the cabins on the air quality are high, so that the relatively dirty air or the dangerous gas is required to be prevented from entering. When these compartments with higher requirements for air quality are adjacent to those compartments in which relatively dirty air or hazardous gases may be present, in order to avoid the relatively dirty air or hazardous gases from entering the compartments with higher requirements for air quality, the compartments with higher requirements for air quality may be set to be positive pressure compartments, so that the air pressure inside the compartments is maintained at a higher value than that of the compartments adjacent thereto, thereby preventing the relatively dirty air or hazardous gases from escaping from the outside into the rooms with relatively higher requirements for air quality.
Although the positive pressure cabin can effectively avoid the relatively dirty air or dangerous gas in the adjacent places to flee into the cabin, the internal air pressure of the positive pressure cabin is higher than the air pressure of the cabin adjacent to the positive pressure cabin, so that the door of the positive pressure cabin is pushed by the internal air pressure of the positive pressure cabin, and great hidden danger is caused to the convenience and safety of passing.
In view of the above, there is a need for a door and a positive pressure cabin using the same to solve the above problems.
Disclosure of Invention
The invention aims to provide a cabin door and a positive pressure cabin using the same, which simplify the pressure relief operation of the positive pressure cabin and improve the use convenience and practicability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a door for a positive pressure cabin, comprising:
a door body;
the first handle is rotatably arranged on one side of the door body;
the door body is provided with pressure relief holes communicated with two sides of the door body, and the pressure relief cover is used for plugging the pressure relief holes;
one end of the transmission piece is connected to the first handle, and the other end of the transmission piece is connected to the pressure relief cover; when the first handle is rotated, the transmission part can drive the pressure relief cover to be far away from the pressure relief hole.
Preferably, a connecting piece is convexly arranged on the first handle, a first connecting rod is arranged at one end, away from the first handle, of the connecting piece, a first through hole is formed in one end of the transmission piece, and the first connecting rod penetrates through the first through hole in a rotating mode.
Preferably, be provided with pressure release lid handle on the pressure release lid, pressure release lid handle with the first in command sets up the same one side of the door body, pressure release lid handle includes handle horizontal pole and second connecting rod, the one end of second connecting rod connect in the handle horizontal pole, the other end connect in pressure release lid, the second through-hole has been seted up to the other end of driving medium, the handle horizontal pole rotates and wears to locate the second through-hole, just the handle horizontal pole can the second through-hole internal slip.
Preferably, the transmission member is detachably connected to the handle bar.
Preferably, the door body comprises a first door panel, a door panel interlayer and a second door panel which are connected in sequence, and the pressure relief hole penetrates through the first door panel, the door panel interlayer and the second door panel in sequence.
Preferably, the pressure relief cover is arranged in the pressure relief hole, and one end of the pressure relief cover is hinged to the first door panel.
Preferably, the first handle is arranged on the first door plate, the second door plate faces the inside of the pressure relief hole and is provided with a convex ring in a protruding mode along the circumferential direction of the pressure relief hole, a step surface is formed between the convex ring and the hole wall of the pressure relief hole, and the end face of the pressure relief cover can be abutted to the step surface.
Preferably, a fixing frame is arranged on the periphery of the door panel, the fixing frame is C-shaped, and the fixing frame is arranged outside the first door panel, the door panel interlayer and the second door panel.
A positive pressure cabin comprising a cabin door as described above.
Preferably, a through hole is formed in a bulkhead of the positive pressure cabin, a door frame is arranged around the through hole, the cabin door is arranged in the door frame and used for plugging the through hole, and a sealing strip is arranged between the cabin door and the door frame.
The invention has the beneficial effects that: the pressure relief hole is formed in the door body of the cabin door, and the pressure relief cover is arranged to block the pressure relief hole, so that the air tightness reliability of the cabin door is guaranteed, and the air tightness of the positive pressure cabin can be guaranteed. Rotate on the door body and be provided with the first in command, be connected with the connecting piece between the first in command and the pressure release lid, the driving medium can drive the pressure release lid and keep away from the pressure release hole when rotating the first in command, and the pressure release hole is kept away from to the pressure release lid can make the inside gaseous outside discharge in malleation cabin, reduces the inside atmospheric pressure in malleation cabin, and the hatch door of being convenient for is opened, opens the pressure release lid pressure release earlier in addition and opens the hatch door again and compare directly open the hatch door, greatly reduced the degree of difficulty of opening the door. In addition, use the connecting piece to connect between the first in command and the pressure release lid, the driving medium can drive the pressure release lid and keep away from the pressure release hole when rotating the first in command, has simplified the pressure release operation in malleation cabin, has improved convenience of use and practicality.
Drawings
FIG. 1 is a cross-sectional view of a door provided by an embodiment of the present invention;
FIG. 2 is a sectional view of a portion of the structure of a door provided in accordance with an embodiment of the present invention in an airtight condition;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a sectional view of a portion of a door according to an embodiment of the present invention in a pressure relief state;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic diagram of a positive pressure chamber provided by an embodiment of the present invention;
fig. 7 is a partially enlarged view at C in fig. 6.
In the figure:
100. a positive pressure compartment;
10. a cabin door; 20. a door frame; 30. a sealing strip; 40. a vent pipe; 50. a vent;
1. a door body; 11. a first door panel; 12. a second door panel; 121. a step surface; 13. a door panel interlayer; 14. a fixing frame;
2. a first handle; 21. a connecting member; 22. a first connecting rod;
3. a pressure relief cover; 31. a pressure relief cover handle; 311. a handle bar; 312. a second connecting rod; 32. a rotating shaft;
4. a transmission member;
5. a second handle.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
At present, the cabin with higher requirement on air quality is set as a positive pressure cabin, but the air pressure in the cabin pushes a cabin door, so that the door of the positive pressure cabin is difficult to open, and great hidden danger is caused to the convenience and safety of passing.
In order to solve the above problem, the present embodiment provides a cabin door, which simplifies the pressure relief operation of the positive pressure cabin and improves the convenience and practicability.
Specifically, as shown in fig. 1, the door 10 includes a door body 1, a first handle 2, a pressure relief cover 3, and a transmission member 4. One side of the door body 1 is rotatably provided with a first handle 2. The door body 1 is provided with pressure relief holes communicated with two sides of the door body 1, and the pressure relief cover 3 is used for plugging the pressure relief holes. One end of the transmission member 4 is connected to the first handle 2, and the other end is connected to the pressure relief cover 3. When the first handle 2 is rotated, the transmission member 4 can drive the pressure relief cover 3 away from the pressure relief hole. The door body 1 of the cabin door 10 is provided with a pressure relief hole, and the pressure relief cover 3 is arranged for blocking the pressure relief hole, so that the air tightness reliability of the cabin door 10 is ensured, and the air tightness of the positive pressure cabin can be ensured. Rotate on the door body 1 and be provided with the first in command 2, be connected with driving medium 4 between the first in command 2 and the pressure release lid 3, driving medium 4 can drive pressure release lid 3 and keep away from the pressure release hole when rotating the first in command 2, pressure release lid 3 is kept away from the pressure release hole and can be made the inside outside discharge of gas in malleation cabin, reduce the inside atmospheric pressure in malleation cabin, be convenient for hatch door 10 opens, open pressure release lid 3 pressure release earlier and open hatch door 10 again and more directly open hatch door 10 than, greatly reduced the degree of difficulty of opening the door. In addition, use driving medium 4 to connect between the first in command 2 and pressure release lid 3, driving medium 4 can drive pressure release lid 3 when rotating the first in command 2 and keep away from the pressure release hole, and the pressure release operation in the malleation cabin of being convenient for has improved convenience of use and practicality.
Specifically, the door body 1 includes a first door panel 11, a door panel interlayer 13 and a second door panel 12 which are connected in sequence, and the pressure relief hole penetrates through the first door panel 11, the door panel interlayer 13 and the second door panel 12 in sequence. The door body 1 is of a multi-layer structure, so that the structural strength of the cabin door 10 is improved, and the door panel interlayer 13 can be a fireproof interlayer or a heat insulation interlayer, so that the functionality of the cabin door 10 is improved.
In the present embodiment, the first door panel 11, the door panel interlayer 13, and the second door panel 12 are adhesively fixed to each other.
Furthermore, a fixing frame 14 is arranged on the peripheral side of the door panel 1, the fixing frame 14 is C-shaped and is arranged outside the first door panel 11, the door panel interlayer 13 and the second door panel 12, the fixing frame 14 is arranged to enhance the stability of fixing among the first door panel 11, the door panel interlayer 13 and the second door panel 12, the door 10 is also protected from the peripheral side of the door body 1, and the durability of the door 10 is improved. In the present embodiment, the fixing frame 14 is made of metal, and has high strength and is easy to process.
Preferably, as shown in fig. 2, the pressure relief cover 3 is disposed in the pressure relief hole, and one end of the pressure relief cover 3 is hinged to the first door panel 11, so that the pressure relief cover 3 can be conveniently opened and closed through the hinged connection, and the convenience in use is improved.
In the present embodiment, the pressure release cover 3 is provided with a rotating shaft 32, the first door panel 11 is provided with a collar toward the pressure release hole, and the rotating shaft 32 is rotatably inserted into the collar.
In this embodiment, a sealing gasket may be further disposed between the pressure relief cover 3 and the pressure relief hole, so as to prevent the cabin door 10 from leaking from the pressure relief hole when pressure relief is not required.
Preferably, the first handle 2 is arranged on the first door panel 11, the second door panel 12 is provided with a convex ring facing the inside of the pressure relief hole and protruding along the circumferential direction of the pressure relief hole, a step surface 121 is formed between the convex ring and the hole wall of the pressure relief hole, and the end surface of the pressure relief cover 3 can abut against the step surface 121. When the cabin door 10 is used, the first door panel 11 faces the inner side of the positive pressure cabin, namely, the side with high air pressure, the second door panel 12 faces the outer side of the positive pressure cabin, namely, the side with low air pressure, the air pressure difference pushes the pressure relief cover 3 towards the second door panel 12 and abuts against the step surface 121, and the step surface 121 can prevent the pressure relief cover 3 from being pushed out of the pressure relief hole, so that air leakage of the cabin door 10 is avoided.
In this embodiment, the cross section of the pressure relief cover 3 is trapezoidal, and the shape of the pressure relief hole matches with the cross section. When the pressure relief cover 3 is plugged in the pressure relief hole, one of the two parallel sides of the trapezoid is flush with the side of the first door panel 11 opposite to the door panel interlayer 13, and the other side of the trapezoid abuts against the step surface 121. The vertical edge between the two parallel edges is attached to the hole wall of the pressure relief hole. The trapezoidal oblique edge and the trapezoidal parallel edge towards one side of the step surface 121 form an obtuse angle, and the arrangement mode further prevents the pressure relief cover 3 from being pushed out of the pressure relief hole.
Specifically, when the pressure relief cover 3 blocks the pressure relief hole, as shown in fig. 2 to 3, the hatch door 10 is in an airtight state. When the first handle 2 is rotated, the transmission member 4 can drive the pressure relief cover 3 to be away from the pressure relief hole, as shown in fig. 4-5, and the cabin door 10 is in a pressure relief state.
Further, as shown in fig. 2-5, a connecting member 21 is protruded from the first handle 2, a first connecting rod 22 is disposed at an end of the connecting member 21 away from the first handle 2, a first through hole is disposed at an end of the transmission member 4, and the first connecting rod 22 is rotatably disposed through the first through hole. The transmission part 4 is rotatably connected with the first connecting rod 22, so that the transmission part 4 can be always connected between the first handle 2 and the pressure relief cover 3, and the transmission part 4 drives the pressure relief cover 3 to be far away from the pressure relief hole when the first handle 2 is rotated.
Further, as shown in fig. 5, a pressure relief cover handle 31 is disposed on the pressure relief cover 3, and the pressure relief cover handle 31 and the first handle 2 are disposed on the same side of the door body 1, that is, the pressure relief cover handle 31 is disposed on one side of the first door panel 11. Pressure release lid handle 31 includes handle horizontal pole 311 and second connecting rod 312, and the one end of second connecting rod 312 is connected in handle horizontal pole 311, and the other end is connected in pressure release lid 3, and the second through-hole has been seted up to the other end of driving medium 4, and handle horizontal pole 311 rotates and wears to locate the second through-hole, and handle horizontal pole 311 can slide in the second through-hole. Rotate between driving medium 4 and the pressure release lid handle 31 and be connected and driving medium 4 can slide on pressure release lid handle 31, further guaranteed that driving medium 4 can be connected all the time between the first in command 2 and pressure release lid 3, and do benefit to again and realize when rotating the first in command 2, driving medium 4 drives pressure release lid 3 and keeps away from the pressure release hole.
In this embodiment, the pressure relief cover handle 31 is C-shaped, the pressure relief cover handle 31 includes two second connecting rods 312, the two second connecting rods 312 are respectively connected to two ends of the handle cross rod 311, one end of the second connecting rod 312 far away from the handle cross rod 311 is connected with the pressure relief cover 3, and the two second connecting rods 312 can prevent the transmission member 4 from falling off from the pressure relief cover handle 31.
In this embodiment, the transmission member 4 is a connecting rod, and the two ends of the connecting rod are respectively provided with a first through hole and a second through hole.
Preferably, the transmission member 4 is detachably connected to the handle bar 311, and when the transmission member 4 is separated from the handle bar 311, the pressure relief cover 3 can be directly and manually separated from the pressure relief hole.
In this embodiment, be equipped with the breach on the pore wall that the second through-hole was seted up to driving medium 4, and the position that sets up of breach can enough guarantee when driving medium 4 connects on handle horizontal pole 311, and driving medium 4 does not drop from handle horizontal pole 311, can guarantee again that when needing to break away from handle horizontal pole 311 with driving medium 4, can dismantle smoothly. In other embodiments, the second through hole may be configured as a snap type, that is, two detachably connected fasteners surround the second through hole, which is not limited herein.
In this embodiment, the second door panel 12 is further provided with a second handle 5, so that the door 10 can be opened from both sides of the door 10.
The present embodiment further provides a positive pressure chamber 100, as shown in fig. 6, including the door 10, wherein the air pressure in the positive pressure chamber 100 is greater than the external air pressure. The pressure relief operation of the positive pressure cabin 100 is simplified, and the convenience and practicability in use are improved. The first door panel 11 of the door 1 is disposed toward the positive pressure chamber 100.
In this embodiment, the positive pressure chamber 100 further includes a ventilation pipe 40, and the ventilation pipe 40 is opened with a ventilation opening 50 for conveying gas into the positive pressure chamber 100.
Preferably, as shown in fig. 7, a through hole is formed in a bulkhead of the positive pressure cabin 100, a door frame 20 is arranged around the through hole, the door 10 is arranged in the door frame 20, the door 10 is used for sealing the through hole, a sealing strip 30 is arranged between the door 10 and the door frame 20, and the sealing strip 30 is arranged to ensure the air tightness of the positive pressure cabin 100.
In this embodiment, the door frame 20 has an L-shaped cross section, one side wall of which is welded to the bulkhead of the positive pressure chamber 100, the other side wall of which extends toward the inside of the positive pressure chamber 100, and the door 10 is disposed in the region framed by the door frame 20. The sealing strip 30 is provided at the junction of both sidewalls of the door frame 20, and the sealing strip 30 is in contact with the fixed frame 14 of the hatch door 10.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A door disposed on a positive pressure cabin, comprising:
a door body (1);
the first handle (2) is rotatably arranged on one side of the door body (1);
the door body (1) is provided with pressure relief holes communicated with two sides of the door body (1), the pressure relief cover (3) is used for plugging the pressure relief holes, a sealing gasket is arranged between the pressure relief cover (3) and the pressure relief holes, the cross section of the pressure relief cover (3) is trapezoidal, and the shape of the pressure relief holes is matched with that of the pressure relief holes;
one end of the transmission piece (4) is connected to the first handle (2), and the other end of the transmission piece (4) is connected to the pressure relief cover (3); when the first handle (2) is rotated, the transmission piece (4) can drive the pressure relief cover (3) to be far away from the pressure relief hole;
the door is characterized in that a connecting piece (21) is arranged on the first handle (2) in a protruding mode, a first connecting rod (22) is arranged at one end, far away from the first handle (2), of the connecting piece (21), a first through hole is formed in one end of the transmission piece (4), the first connecting rod (22) penetrates through the first through hole in a rotating mode, a pressure relief cover handle (31) is arranged on the pressure relief cover (3), the pressure relief cover handle (31) and the first handle (2) are arranged on the same side of the door body (1), the pressure relief cover handle (31) comprises a handle cross rod (311) and a second connecting rod (312), one end of the second connecting rod (312) is connected to the handle cross rod (311), the other end of the second connecting rod is connected to the pressure relief cover (3), a second through hole is formed in the other end of the transmission piece (4), and the handle cross rod (311) is arranged in the second through hole in a rotating mode, and the handle cross bar (311) can slide in the second through hole.
2. Door according to claim 1, characterized in that said transmission element (4) is removably connected to said handle crossbar (311).
3. A hatch door according to claim 1, characterised in that the door body (1) comprises a first door panel (11), a door panel interlayer (13) and a second door panel (12) connected in sequence, and the pressure relief vent passes through the first door panel (11), the door panel interlayer (13) and the second door panel (12) in sequence.
4. A door according to claim 3, characterised in that said pressure relief cover (3) is arranged inside said pressure relief hole and in that one end of said pressure relief cover (3) is hinged to said first panel (11).
5. A door according to claim 3, characterised in that the first handle (2) is arranged on the first panel (11), the second panel (12) is provided with a convex ring protruding towards and along the circumference of the pressure relief hole, a step surface (121) is formed between the convex ring and the wall of the pressure relief hole, and the end surface of the pressure relief cover (3) can abut against the step surface (121).
6. A hatch door according to claim 3, characterised in that a fixed frame (14) is provided around the door body (1), the fixed frame (14) is C-shaped and is framed outside the first door panel (11), the door panel interlayer (13) and the second door panel (12).
7. Positive pressure cabin, characterized in that it comprises a cabin door (10) according to any one of claims 1 to 6.
8. The positive pressure cabin according to claim 7, wherein a through hole is formed in a cabin wall of the positive pressure cabin (100), a door frame (20) is arranged around the through hole, the cabin door (10) is arranged in the door frame (20), the cabin door (10) is used for sealing the through hole, and a sealing strip (30) is arranged between the cabin door (10) and the door frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595488.2A CN111731434B (en) | 2020-06-24 | 2020-06-24 | Cabin door and positive pressure cabin using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595488.2A CN111731434B (en) | 2020-06-24 | 2020-06-24 | Cabin door and positive pressure cabin using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111731434A CN111731434A (en) | 2020-10-02 |
| CN111731434B true CN111731434B (en) | 2022-02-11 |
Family
ID=72651349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010595488.2A Active CN111731434B (en) | 2020-06-24 | 2020-06-24 | Cabin door and positive pressure cabin using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111731434B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19812319A1 (en) * | 1998-03-20 | 1999-09-23 | Sommer Metallbau Stahlbau Gmbh | Pressure equalization device especially for normally pressure-tight special doors e.g. in reactor buildings |
| CN101988358A (en) * | 2009-08-03 | 2011-03-23 | 向永川 | Anti-mosquito casement window |
| KR101280440B1 (en) * | 2012-04-09 | 2013-07-01 | 세보테크 주식회사 | Blast relief wall |
| CN203321180U (en) * | 2013-05-07 | 2013-12-04 | 南京德威尔信息科技有限公司 | Modularization data center automatic skylight device |
| CN203742648U (en) * | 2013-09-30 | 2014-07-30 | 新汶矿业集团有限责任公司鄂庄煤矿 | Opening and decompression linkage system of roadway damper |
| CN105129070A (en) * | 2015-08-14 | 2015-12-09 | 中国航空工业集团公司西安飞机设计研究所 | Pressure relief covering cap mechanism with overpressure protection function |
| CN205173608U (en) * | 2015-11-16 | 2016-04-20 | 黄孝华 | Pressure release door |
| CN205400447U (en) * | 2016-03-29 | 2016-07-27 | 浙江倍特储粮设备科技有限公司 | Can automatic grain depot sealed window |
| CN105927273A (en) * | 2016-05-26 | 2016-09-07 | 辽宁工程技术大学 | Fast closing venting door of coal mine fire area |
| CN106223808A (en) * | 2016-08-30 | 2016-12-14 | 徐燕 | A kind of explosion relief door |
| CN106553748A (en) * | 2015-09-30 | 2017-04-05 | 美铝公司 | Pressure port |
| CN207377362U (en) * | 2017-10-24 | 2018-05-18 | 浙江华信建设有限公司 | A kind of window-opening mechanism of construction window |
| CN209398157U (en) * | 2018-10-16 | 2019-09-17 | 亚萨合莱国强（山东）五金科技有限公司 | A kind of hand combination linkage window opener |
| CN209891596U (en) * | 2019-04-11 | 2020-01-03 | 沈阳农业大学 | Sun-shading heat-insulation window |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101654222B1 (en) * | 2014-07-31 | 2016-09-05 | 대우조선해양 주식회사 | Opening and Closing Type Panel Module for Protecting Offshore Structure |
-
2020
- 2020-06-24 CN CN202010595488.2A patent/CN111731434B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19812319A1 (en) * | 1998-03-20 | 1999-09-23 | Sommer Metallbau Stahlbau Gmbh | Pressure equalization device especially for normally pressure-tight special doors e.g. in reactor buildings |
| CN101988358A (en) * | 2009-08-03 | 2011-03-23 | 向永川 | Anti-mosquito casement window |
| KR101280440B1 (en) * | 2012-04-09 | 2013-07-01 | 세보테크 주식회사 | Blast relief wall |
| CN203321180U (en) * | 2013-05-07 | 2013-12-04 | 南京德威尔信息科技有限公司 | Modularization data center automatic skylight device |
| CN203742648U (en) * | 2013-09-30 | 2014-07-30 | 新汶矿业集团有限责任公司鄂庄煤矿 | Opening and decompression linkage system of roadway damper |
| CN105129070A (en) * | 2015-08-14 | 2015-12-09 | 中国航空工业集团公司西安飞机设计研究所 | Pressure relief covering cap mechanism with overpressure protection function |
| CN106553748A (en) * | 2015-09-30 | 2017-04-05 | 美铝公司 | Pressure port |
| CN205173608U (en) * | 2015-11-16 | 2016-04-20 | 黄孝华 | Pressure release door |
| CN205400447U (en) * | 2016-03-29 | 2016-07-27 | 浙江倍特储粮设备科技有限公司 | Can automatic grain depot sealed window |
| CN105927273A (en) * | 2016-05-26 | 2016-09-07 | 辽宁工程技术大学 | Fast closing venting door of coal mine fire area |
| CN106223808A (en) * | 2016-08-30 | 2016-12-14 | 徐燕 | A kind of explosion relief door |
| CN207377362U (en) * | 2017-10-24 | 2018-05-18 | 浙江华信建设有限公司 | A kind of window-opening mechanism of construction window |
| CN209398157U (en) * | 2018-10-16 | 2019-09-17 | 亚萨合莱国强（山东）五金科技有限公司 | A kind of hand combination linkage window opener |
| CN209891596U (en) * | 2019-04-11 | 2020-01-03 | 沈阳农业大学 | Sun-shading heat-insulation window |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111731434A (en) | 2020-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2156635A (en) | Bulkhead door | |
| CN109209185B (en) | Civil air defense engineering is with multi-functional sealed guard gate structure | |
| CN101649716A (en) | Airtight, weathertight, soundproof and fireproof door | |
| CN111731434B (en) | Cabin door and positive pressure cabin using same | |
| CN102211651A (en) | Fireproof pressure-proof watertight/airtight door for ship | |
| CN210888662U (en) | Combined airtight door | |
| CN215877976U (en) | Sterile isolator | |
| CN201502284U (en) | Airtight, weather tight, sound insulating and fireproof door | |
| CN109296293A (en) | A kind of side pressure auxiliary frame and the sliding door and window using it | |
| CN113799930A (en) | Ship safety cabin | |
| CN217735325U (en) | Multi-layer composite fireproof door | |
| JP2002255087A (en) | Structure of traffic door and hatch for cargo hold or frozen cargo and automobile carrying vessel | |
| CN214950044U (en) | Emergency device for inflammable and explosive material refrigerator | |
| JP2020180575A (en) | Emergency stop device of internal combustion engine | |
| CN210918599U (en) | Emergency exhaust device for railway vehicle | |
| CN216517641U (en) | Clean formula ventilation protective airtight door | |
| CN220285601U (en) | Air film building sealing door structure | |
| CN208217514U (en) | Frozen products insulated container | |
| CN217730700U (en) | A60 double-sided opening-closing airtight weather-tight protective cover | |
| CN220601706U (en) | Explosion-proof device for storehouse | |
| CN212565855U (en) | Boiler manhole door connecting device | |
| CN217142316U (en) | Blast furnace ladle observation hole safety device | |
| CN219814031U (en) | Water tank structure | |
| CN110485840B (en) | Quick locking device for cabinet | |
| CN210478949U (en) | Multifunctional fireproof watertight hatch cover |
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 |