CN114044086A - Marine ventilation shutter - Google Patents
Marine ventilation shutter Download PDFInfo
- Publication number
- CN114044086A CN114044086A CN202111453587.8A CN202111453587A CN114044086A CN 114044086 A CN114044086 A CN 114044086A CN 202111453587 A CN202111453587 A CN 202111453587A CN 114044086 A CN114044086 A CN 114044086A
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- CN
- China
- Prior art keywords
- window frame
- gear
- louver
- driving
- fixedly connected
- 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.)
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Classifications
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- 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
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- 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
- B63B2019/0053—Locking means for ports, doors, windows, covers, or the like, e.g. providing for watertight closure when locked
- B63B2019/0069—Locking means for ports, doors, windows, covers, or the like, e.g. providing for watertight closure when locked comprising movable positive fit locking members, e.g. swivelling locking clips, or dogs
- B63B2019/0076—Locking means for ports, doors, windows, covers, or the like, e.g. providing for watertight closure when locked comprising movable positive fit locking members, e.g. swivelling locking clips, or dogs comprising multiple positive fit locking members arranged for simultaneous locking action
- B63B2019/0084—Locking means for ports, doors, windows, covers, or the like, e.g. providing for watertight closure when locked comprising movable positive fit locking members, e.g. swivelling locking clips, or dogs comprising multiple positive fit locking members arranged for simultaneous locking action with mechanical drive for effecting simultaneous locking action
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- 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)
Abstract
The invention relates to the technical field of marine components, and particularly discloses a marine ventilation shutter which comprises a window frame, wherein the inner wall of the window frame is rotatably connected with a shutter surface through a rotating shaft, the side surface of the window frame is fixedly connected with a fixed shaft, the surface of the fixed shaft is rotatably connected with a driving pipe, the surface of the driving pipe is fixedly connected with a pushing mechanism, the top of the window frame is hinged with a sealing cover through a hinge, and one end, far away from the driving pipe, of the pushing mechanism is fixedly connected with the surface of the sealing cover; according to the invention, through the driving mechanism, when the sealing cover needs to be closed urgently, only the opened louver surface needs to be closed, and the connecting plate connected to the louver surface is utilized to drive the gear and the gear set to drive the pipe to rotate and move along with the closing of the louver surface, so that the sealing cover can be closed in the cabin without running to a deck for operation, and the daily use of a crew is facilitated.
Description
Technical Field
The invention relates to the technical field of marine components, in particular to a marine ventilation shutter.
Background
The louver is a window with transverse ribs in the window surface, is widely applied to houses, factories or ships in modern life by people, and can block wind, rain and dust outside the window while ensuring light transmission, wherein the louver for the ships is mostly used in a cabin and is provided with a sealable isolating cover, so that seawater brought by wind waves cannot be poured into the cabin in the process of ship navigation.
The apron among the current boats and ships shutter sets up in the outside in cabin mostly, when meetting the weather of big stormy waves, often needs people to run to the splint on to close the apron, and the operation is comparatively inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the marine ventilation shutter, which has the advantages of convenience in sealing the shutter from the inside and convenience in operation, and solves the problem that the cover plate of the conventional marine shutter is often required to be sealed on a deck and is inconvenient to operate.
The marine ventilation shutter comprises a window frame, wherein the inner wall of the window frame is rotatably connected with a shutter face through a rotating shaft, the side face of the window frame is fixedly connected with a fixed shaft, the surface of the fixed shaft is rotatably connected with a driving pipe, the surface of the driving pipe is fixedly connected with a pushing mechanism, the top of the window frame is hinged with a sealing cover through a hinge, one end of the pushing mechanism, which is far away from the driving pipe, is fixedly connected with the surface of the sealing cover, the surface of the side edge of the shutter face, which is close to the window frame, and the inside of the window frame are both provided with accommodating grooves, a driving mechanism for connecting the shutter face and the driving pipe is arranged inside the accommodating grooves, the driving mechanism comprises a connecting plate arranged inside the shutter face accommodating grooves, the surface of the connecting plate is fixedly connected with driving gears, the inner wall of the accommodating grooves arranged inside the window frame is provided with gear sets, one side, which is close to the window frame, of the driving pipe is provided with clamping teeth, and the driving gear is meshed with the side edge of the driving pipe through a gear set.
Through the design of the technical scheme, when the sealing cover needs to be closed urgently, the opened louver surface is only needed to be closed, the connecting plate connected to the louver surface is utilized, the connecting plate is matched with the driving gear and the gear set to drive the driving pipe to rotate along with the closing of the louver surface, so that the sealing cover can be closed in the cabin, the operation on a deck is not needed, and the daily use of a crew is facilitated.
As a further improvement of the invention, the number of the louver surfaces is two, the two louver surfaces are distributed in the window frame by taking the front vertical center line of the window frame as a symmetry axis, and a window lock capable of fixing the two louver surfaces together is arranged between the two louver surfaces.
Through the design of the technical scheme, the operation is more labor-saving when the sealing cover is closed or opened, and meanwhile, the double-opening design can also be matched with the opening path of the sealing cover, so that the louver surface is prevented from colliding with the sealing cover in the process of opening the sealing cover.
As a further improvement of the present invention, the gear set includes a connecting shaft rotatably connected to an inner wall of a receiving groove provided in the window frame, and a connecting gear and a driven gear are fixedly connected to a surface of the connecting shaft from top to bottom in sequence, a movable groove adapted to the driving gear is provided on an inner wall of the receiving groove provided in the window frame, and a surface of the driving gear passes through the movable groove and extends to an interior of the receiving groove in the window frame, a surface of the driving gear is engaged with a surface of the driven gear, a rotating groove communicating the receiving groove with the outside is provided on an inner wall of the receiving groove provided in the window frame, and an inner wall of the rotating groove is rotatably connected to a movable bevel gear through a rotating shaft, a surface of the movable bevel gear is engaged with a latch on one side of the driving pipe, a movable gear is fixedly connected to a top of the movable bevel gear, and a surface of the movable gear is engaged with the connecting gear.
Through the design of the technical scheme, the force which rotates when the louver surface is pushed away can be smoothly converted into the force which drives the pipe to rotate, the pushing mechanism is driven to move after the louver surface is opened, and the stability of operation is ensured.
As a further improvement of the invention, the surface of the connecting plate is rotatably connected with the inside of the accommodating groove arranged on the surface of the shutter surface through a rotating shaft, the surfaces of the connecting plate and the shutter surface are fixedly connected with fixing rings, and the inner walls of the fixing rings are movably connected with limiting hooks.
Through the design of the technical scheme, when the louver surface and the sealing cover are not required to be linked, the connecting plate is not connected to the surface of the louver surface through the fixing ring and the limiting hook only by pulling the limiting hook in the fixing ring on the connecting plate, so that the effect that the louver surface is still closed when the sealing cover is normally opened and closed is achieved, and different working scenes are adapted.
As a further improvement of the invention, the surfaces of the window frame and the connecting plate are fixedly connected with an isolation rubber cover, and the isolation rubber cover wraps the driving pipe, the fixed shaft, the driving mechanism and the movable groove arranged on the surface of the window frame in the isolation rubber cover.
Through the design of the technical scheme, the driving mechanism can be sealed, and the phenomenon that the outside dirt falls into the accommodating groove to influence the normal work of the driving mechanism is avoided.
As a further improvement of the invention, the pushing mechanism comprises a supporting arm fixedly connected to the surface of the driving pipe, one end of the supporting arm far away from the driving pipe is rotatably connected with a boosting arm through a rotating shaft, and one end of the boosting arm far away from the supporting arm is rotatably connected with the side surface of the sealing cover through the rotating shaft.
Through the design of the technical scheme, the sealing cover can be smoothly pushed away and closed by the pushing mechanism after the driving pipe rotates.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the driving mechanism, when the sealing cover needs to be closed urgently, only the opened louver surface needs to be closed, and the connecting plate connected to the louver surface is utilized to drive the gear and the gear set to drive the pipe to rotate and move along with the closing of the louver surface, so that the sealing cover can be closed in the cabin without running to a deck for operation, and the daily use of a crew is facilitated.
2. According to the invention, through the two louver surfaces, the operation is more labor-saving when the sealing cover is closed or opened, meanwhile, the double-opening design can also be matched with the opening path of the sealing cover, the louver surfaces are prevented from colliding against the sealing cover in the process of opening the sealing cover, and through the fixing ring and the limiting hook, when the louver surfaces and the sealing cover are not required to be linked, only the limiting hook in the fixing ring on the connecting plate is pulled, so that the connecting plate is not connected to the surface of the louver surfaces through the fixing ring and the limiting hook, therefore, the effect that the louver surfaces are still closed when the sealing cover is normally opened and closed is realized, and the sealing cover is suitable for different working scenes.
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 front sectional view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is an enlarged schematic view of B in fig. 3.
In the figure: 1. a window frame; 2. a louver surface; 3. a fixed shaft; 4. driving a pipe; 5. a pushing mechanism; 51. a support arm; 52. a boosting arm of force; 6. a sealing cover; 7. a drive mechanism; 71. a connecting plate; 72. driving the gear; 73. a gear set; 731. a connecting shaft; 732. a connecting gear; 733. a driven gear; 734. a movable bevel gear; 735. a movable gear; 8. a window lock; 9. a fixing ring; 10. a limiting hook; 11. and (6) isolating rubber covers.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-4, the marine ventilation louver of the invention comprises a window frame 1, the inner wall of the window frame 1 is rotatably connected with a louver face 2 through a rotating shaft, the side of the window frame 1 is fixedly connected with a fixed shaft 3, the surface of the fixed shaft 3 is rotatably connected with a driving pipe 4, the surface of the driving pipe 4 is fixedly connected with a pushing mechanism 5, the top of the window frame 1 is hinged with a sealing cover 6 through a hinge, one end of the pushing mechanism 5 far away from the driving pipe 4 is fixedly connected with the surface of the sealing cover 6, the surface of the side edge of the louver face 2 close to the window frame 1 and the inside of the window frame 1 are both provided with a storage groove, the inside of the storage groove is provided with a driving mechanism 7 connecting the louver face 2 and the driving pipe 4, the driving mechanism 7 comprises a connecting plate 71 arranged inside the storage groove on the surface of the louver face 2, the surface of the connecting plate 71 is fixedly connected with a driving gear 72, the inner wall of the storage groove arranged inside the window frame 1 is provided with a gear set 73, one side of the driving pipe 4 close to the window frame 1 is provided with a latch, and the driving gear 72 is engaged with the side of the driving pipe 4 through a gear set 73.
Through the driving mechanism 7, when the sealing cover 6 needs to be closed in emergency, only the opened louver surface 2 needs to be closed, and the connecting plate 71 connected to the louver surface 2 is utilized to enable the connecting plate 71 to be matched with the driving gear 72 and the gear set 73 to enable the driving pipe 4 to rotate and move together with the closing of the louver surface 2, so that the sealing cover 6 can be closed in the cabin without going to a deck for operation, and the daily use of a crew is facilitated.
Referring to fig. 1 and 3, the number of the louver boards 2 is two, and the two louver boards 2 are distributed inside the window frame 1 with the vertical center line of the front surface of the window frame 1 as the symmetry axis, and a window lock 8 for fixing the two louver boards 2 together is disposed between the two louver boards 2.
Through the two louver surfaces 2, the operation is more labor-saving when the sealing cover 6 is closed or opened, and meanwhile, the double-opening design can be matched with the opening path of the sealing cover 6, so that the louver surfaces 2 are prevented from colliding against the sealing cover 6 in the process of opening the sealing cover 6.
Referring to fig. 4, the gear set 73 includes a connecting shaft 731 rotatably connected to an inner wall of a receiving groove formed in the window frame 1, a connecting gear 732 and a driven gear 733 are fixedly connected to a surface of the connecting shaft 731 from top to bottom in sequence, a movable groove adapted to the driving gear 72 is formed in the inner wall of the receiving groove formed in the window frame 1, a surface of the driving gear 72 passes through the movable groove and extends into the receiving groove formed in the window frame 1, a surface of the driving gear 72 is engaged with a surface of the driven gear 733, a rotating groove communicating the receiving groove with the outside is formed in the inner wall of the receiving groove formed in the window frame 1, an inner wall of the rotating groove is rotatably connected to a movable bevel gear 734 through a rotating shaft, a surface of the movable bevel gear 734 is engaged with a latch on one side of the driving pipe 4, a movable gear 735 is fixedly connected to a top of the movable bevel gear 734, and a surface of the movable gear 735 is engaged with the connecting gear 732.
Through the gear set 73, the rotating force when the louver surface 2 is pushed away can be smoothly converted into the force for pushing the driving pipe 4 to rotate, the pushing mechanism 5 is driven to move after the louver surface 2 is opened, and the stability of operation is ensured.
Referring to fig. 4-5, the surface of the connecting plate 71 is rotatably connected to the inside of the receiving groove formed on the surface of the louver surface 2 through a rotating shaft, the surface of the connecting plate 71 and the surface of the louver surface 2 are both fixedly connected to a fixing ring 9, and the inner wall of the fixing ring 9 is movably connected to a limit hook 10.
Through solid fixed ring 9 and spacing hook 10 for can be when not needing louver face 2 and sealed lid 6 linkage, only need with the spacing hook 10 pulling in the solid fixed ring 9 on the connecting plate 71, let the connecting plate 71 no longer through solid fixed ring 9 with spacing hook 10 connect the surface at louver face 2, thereby realize when the normal of sealed lid 6 opens and shuts, effect that louver face 2 still closed adapts to different work scenes.
Referring to fig. 5, the surface of the window frame 1 and the connecting plate 71 is fixedly connected with an isolating rubber cover 11, and the isolating rubber cover 11 wraps the driving tube 4, the fixed shaft 3, the driving mechanism 7 and the movable groove formed on the surface of the window frame 1 inside the isolating rubber cover 11.
The isolation rubber cover 11 is arranged, so that the driving mechanism 7 can be sealed, and the influence of outside dirt falling into the accommodating groove on the normal work of the driving mechanism 7 is avoided.
Referring to fig. 2, the pushing mechanism 5 includes a supporting arm 51 fixedly connected to the surface of the driving tube 4, one end of the supporting arm 51 away from the driving tube 4 is rotatably connected to a boosting arm 52 through a rotating shaft, and one end of the boosting arm 52 away from the supporting arm 51 is rotatably connected to the side surface of the sealing cover 6 through a rotating shaft.
The pushing mechanism 5 ensures that the pushing mechanism 5 can smoothly push and close the sealing cover 6 after the driving pipe 4 rotates.
In the use of the invention: through the two louver surfaces 2, when the sealing cover 6 is closed or opened, the operation is more labor-saving, meanwhile, the double-opening design can also be matched with the opening path of the sealing cover 6, the louver surfaces 2 are prevented from colliding against the sealing cover 6 in the process of opening the sealing cover 6, and through the fixing ring 9 and the limiting hook 10, when the louver surfaces 2 are not required to be linked with the sealing cover 6, only the limiting hook 10 in the fixing ring 9 on the connecting plate 71 is pulled, the connecting plate 71 is not connected to the surface of the louver surfaces 2 through the fixing ring 9 and the limiting hook 10, so that the effect that the louver surfaces 2 are still closed when the sealing cover 6 is normally opened and closed is achieved, and the sealing cover is suitable for different working scenes.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A marine ventilation shutter, includes window frame (1), its characterized in that: the inner wall of the window frame (1) is rotatably connected with a louver face (2) through a rotating shaft, the side face of the window frame (1) is fixedly connected with a fixed shaft (3), the surface of the fixed shaft (3) is rotatably connected with a driving pipe (4), the surface of the driving pipe (4) is fixedly connected with a pushing mechanism (5), the top of the window frame (1) is hinged with a sealing cover (6) through a hinge, one end, far away from the driving pipe (4), of the pushing mechanism (5) is fixedly connected with the surface of the sealing cover (6), the surfaces, close to the window frame (1), of the side edges of the louver face (2) and the inside of the window frame (1) are both provided with accommodating grooves, and driving mechanisms (7) for connecting the louver face (2) and the driving pipe (4) are arranged inside the accommodating grooves;
drive mechanism (7) include shutter face (2) surface and accomodate connecting plate (71) that the inslot portion was established, and the fixed surface of connecting plate (71) is connected with and drives gear (72), the inside inner wall of accomodating the groove that establishes of window frame (1) is equipped with gear train (73), one side that drive pipe (4) are close to window frame (1) is equipped with the latch, and drives gear (72) and passes through gear train (73) and the side meshing of drive pipe (4).
2. A marine ventilation shutter according to claim 1, characterised in that: the number of the louver surfaces (2) is two, the two louver surfaces (2) are distributed in the window frame (1) by taking the front vertical central line of the window frame (1) as a symmetry axis, and a window lock (8) capable of fixing the two louver surfaces (2) together is arranged between the two louver surfaces (2).
3. A marine ventilation shutter according to claim 1, characterised in that: the gear set (73) comprises a connecting shaft (731) rotatably connected to the inner wall of the accommodating groove formed in the window frame (1), and the surface of the connecting shaft (731) is fixedly connected with a connecting gear (732) and a driven gear (733) sequentially from top to bottom.
4. A marine ventilation shutter according to claim 1, characterised in that: the inner wall of the accommodating groove arranged in the window frame (1) is provided with a movable groove matched with the driving gear (72), the surface of the driving gear (72) penetrates through the movable groove and extends into the accommodating groove in the window frame (1), and the surface of the driving gear (72) is meshed with the surface of the driven gear (733).
5. A marine ventilation shutter according to claim 1, characterised in that: the inner wall of the accommodating groove arranged on the window frame (1) is provided with a rotating groove for communicating the accommodating groove with the outside, the inner wall of the rotating groove is rotatably connected with a movable bevel gear (734) through a rotating shaft, and the surface of the movable bevel gear (734) is meshed with a latch on one side of the driving pipe (4).
6. A marine ventilation shutter as claimed in claim 5, wherein: a movable gear (735) is fixedly connected to the top of the movable bevel gear (734), and the surface of the movable gear (735) is meshed with the connecting gear (732).
7. A marine ventilation shutter according to claim 1, characterised in that: the surface of the connecting plate (71) is rotatably connected with the inner part of the accommodating groove formed in the surface of the louver face (2) through a rotating shaft, the surface of the connecting plate (71) and the surface of the louver face (2) are fixedly connected with fixing rings (9), and the inner wall of each fixing ring (9) is movably connected with a limiting hook (10).
8. A marine ventilation shutter according to claim 1, characterised in that: the surface of the window frame (1) and the connecting plate (71) is fixedly connected with an isolation rubber cover (11), and the isolation rubber cover (11) wraps the driving pipe (4), the fixed shaft (3), the driving mechanism (7) and a movable groove formed in the surface of the window frame (1) in the isolation rubber cover (11).
9. A marine ventilation shutter according to claim 1, characterised in that: the pushing mechanism (5) comprises a supporting arm (51) fixedly connected to the surface of the driving pipe (4), one end, far away from the driving pipe (4), of the supporting arm (51) is connected with a boosting arm (52) in a rotating mode through a rotating shaft, and one end, far away from the supporting arm (51), of the boosting arm (52) is connected with the side face of the sealing cover (6) in a rotating mode through the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453587.8A CN114044086B (en) | 2021-12-01 | 2021-12-01 | Marine ventilation shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453587.8A CN114044086B (en) | 2021-12-01 | 2021-12-01 | Marine ventilation shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114044086A true CN114044086A (en) | 2022-02-15 |
| CN114044086B CN114044086B (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111453587.8A Active CN114044086B (en) | 2021-12-01 | 2021-12-01 | Marine ventilation shutter |
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| Country | Link |
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| CN (1) | CN114044086B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB456356A (en) * | 1935-05-08 | 1936-11-09 | Stone J & Co Ltd | Improvements relating to sliding windows |
| JP2005007950A (en) * | 2003-06-17 | 2005-01-13 | Ihi Marine United Inc | Hatch cover device |
| CN103832544A (en) * | 2013-09-25 | 2014-06-04 | 韩国模具股份有限公司 | Hatch cover apparatus for vessel |
| CN104760489A (en) * | 2015-03-25 | 2015-07-08 | 江苏捷诚车载电子信息工程有限公司 | Shelter high orifice on-off control device |
| CN109162588A (en) * | 2018-10-13 | 2019-01-08 | 冯艳 | One kind is from protection type intelligent building |
| CN111472630A (en) * | 2020-04-02 | 2020-07-31 | 澳龙船艇科技有限公司 | Marine shutter structure |
| CN112357034A (en) * | 2020-11-30 | 2021-02-12 | 大连中远海运川崎船舶工程有限公司 | Remote control formula boats and ships chimney shutter |
-
2021
- 2021-12-01 CN CN202111453587.8A patent/CN114044086B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB456356A (en) * | 1935-05-08 | 1936-11-09 | Stone J & Co Ltd | Improvements relating to sliding windows |
| JP2005007950A (en) * | 2003-06-17 | 2005-01-13 | Ihi Marine United Inc | Hatch cover device |
| CN103832544A (en) * | 2013-09-25 | 2014-06-04 | 韩国模具股份有限公司 | Hatch cover apparatus for vessel |
| CN104760489A (en) * | 2015-03-25 | 2015-07-08 | 江苏捷诚车载电子信息工程有限公司 | Shelter high orifice on-off control device |
| CN109162588A (en) * | 2018-10-13 | 2019-01-08 | 冯艳 | One kind is from protection type intelligent building |
| CN111472630A (en) * | 2020-04-02 | 2020-07-31 | 澳龙船艇科技有限公司 | Marine shutter structure |
| CN112357034A (en) * | 2020-11-30 | 2021-02-12 | 大连中远海运川崎船舶工程有限公司 | Remote control formula boats and ships chimney shutter |
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| Publication number | Publication date |
|---|---|
| CN114044086B (en) | 2022-09-13 |
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