CN104859819A - Underwater submersible vehicle hatch and underwater sightseeing submersible vehicle with hatch - Google Patents
Underwater submersible vehicle hatch and underwater sightseeing submersible vehicle with hatch Download PDFInfo
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- CN104859819A CN104859819A CN201510296051.8A CN201510296051A CN104859819A CN 104859819 A CN104859819 A CN 104859819A CN 201510296051 A CN201510296051 A CN 201510296051A CN 104859819 A CN104859819 A CN 104859819A
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- ratchet
- door cover
- door
- lock shaft
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides an underwater submersible vehicle hatch and an underwater sightseeing submersible vehicle with the hatch. The double-direction pressure-proof sealing of the hatch is realized. The hatch comprises a locking rotary table, a locking shaft, a pawl, a pawl limiting device, a ratchet wheel, an outboard wrench, a O-shaped sealing ring, a shaft sleeve, a hatch cover, a pawl torsional spring, a inboard locking wrench and a plurality of locking mechanisms, wherein each the locking mechanism comprises a locking connecting rod, a locking block and a column-shaped locking and limiting sleeve; the locking block at the end far away from the center of the locking connecting rod extends into a hatch fence, and then drives the locking rotary table to move towards the inward direction of a cavity, the center end of the locking connecting rod connected with the locking rotary table moves towards the inward direction of the cavity, and the locking and limiting sleeve closely joints the hatch cover and the hatch fence together as the fulcrum of the locking connecting rod by utilizing lever force, so that the pre-tightening effect and the sealing effect are achieved.
Description
Technical field
The present invention relates to submersible technical field, specifically, what relate to is that a kind of hatch door of underwater hiding-machine and the underwater sightseeing with this hatch door are dived device.
Background technology
Existing market does not also have the underwater sightseeing of CCS (China Classification Society Quality Assurance Ltd.) certification to dive device product, does not provide corresponding hatch door yet.
Hatch door requires: can bear bidirection press and pressure-resistant seal, concrete, air tight when cabin internal pressure is 0.01Mpa, water-tight when hydraulic pressure is 50 meters of depth of water out of my cabin.
Summary of the invention
The underwater sightseeing that main purpose of the present invention is to provide a kind of underwater hiding-machine hatch door and has this hatch door is dived device, to realize the two-way pressure-resistant seal of hatch door.
For realizing above-mentioned technological invention, have employed following technical scheme:
Underwater hiding-machine hatch door, its special character is: described hatch door comprises that locking rotating disk 16, lock shaft 17, ratchet 1, ratchet are spacing 2, ratchet 3, out of my cabin spanner 4, O-ring seals 5, axle sleeve 6, door cover 8, ratchet torsion spring 11, cabin internal locking spanner 18 and several catch gears;
Described lock shaft 17 is positioned at the central axis place of the central axis of door cover 8, the central axis of lock shaft 17 and the central axes of door cover 8, the two ends of lock shaft 17 penetrate door cover 8, one end being positioned at door cover lateral surface of definition lock shaft 17 is outer end, and one end being positioned at door cover medial surface of definition lock shaft 17 is for inner; Lock shaft 17 has axle sleeve 6 near outer end place cover, and be provided with O-ring seals 5 between axle sleeve 6 and lock shaft 17, axle sleeve 6 is fixedly connected with door cover 8;
Between axle sleeve 6 and lock shaft 17 the inner, direction in the export-oriented door cover of door cover, lock shaft 17 is disposed with ratchet 3 and locking rotating disk 16, ratchet 3 is fixed on lock shaft 17 and also together can rotates with lock shaft 17, locking rotating disk 16 to be enclosed within lock shaft 17 and to be threaded with lock shaft 17, locking rotating disk 16 is fixed with ratchet 1, ratchet torsion spring 11 is provided with between ratchet and locking rotating disk 16, the medial surface of door cover 8 is fixed with ratchet spacing 2 on locking rotating disk direction, the head of ratchet 1 can engage with ratchet 3 and be separated, the afterbody of ratchet can be contacting and separating with ratchet spacing 2,
The sidewall of locking rotating disk 16 is also evenly distributed with some groups of catch gears, described catch gear of often organizing comprises locking connecting rod 15, latch segment 14, the locking stop collar 10 of cylindricality, the proximal part of described locking connecting rod 15 is flexibly connected with locking rotating disk 16, described locking connecting rod 15 distal end and latch segment 14 are by being fixedly connected with by the bolt 13 that cuts off of forced shears, the central axis of described locking stop collar 10 and the centerline axis parallel of lock shaft 17, described locking connecting rod 15 passes from the sidewall of the locking stop collar 10 of cylindricality, described locking stop collar 10 is flexibly connected with the medial surface of door cover 8, locking stop collar 10 can with the central axis of locking stop collar 10 self for axle rotates.
Above-mentioned underwater hiding-machine hatch door, the outer end of lock shaft 17 has been threaded spanner 4 out of my cabin, and the inner of lock shaft 17 has been threaded cabin internal locking spanner 18.
Underwater hiding-machine hatch door, catch gear is 4-10 group.
A kind of underwater sightseeing with the hatch door of any structure above-mentioned is dived device, its special character is: comprise latent device cavity, hatch door and hatch door fence 9, door cover 8 and hatch door fence 9 hinged, door cover 8 surrounds a cavity jointly by hatch door fence 9 and latent device cavity; Hatch door fence 9 is provided with the groove of coming in and going out for latch segment 14, described latch segment 14 can stretch in groove.
Above-mentioned underwater sightseeing is dived device, is also connected by powerful enabling bolt 7 between door cover 8 with hatch door fence 9.
Above-mentioned underwater sightseeing is dived device, the edge of hatch door fence 9 is fixedly connected with two rail end flaps 20, described door cover 8 is fixed with two door cover flaps 21, two door cover flaps 21 and two rail end flaps 20 hinged one to one, be connected with spring shaft between two hinge-points, on spring shaft, cover has door cover to open assist spring 19.
Above-mentioned underwater sightseeing is dived device, door cover flap 21 is also fixed with door cover flap location tail 27, rail end flap 20 is fixed with door cover and opens limiting stopper 12, described door cover opens limiting stopper 12 in the path of motion of door cover flap location tail 27.
Advantage of the present invention is: the present invention adopts pure mechanical system to control the opening and closing of hatch door, relative to electronic control mode, and good airproof performance, more reliable and secure.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of front view of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
The structural representation that Fig. 3 is ratchet, ratchet, ratchet are spacing, ratchet torsion spring coordinates.
Fig. 4-1 is the structural representation of locking rotating disk in Fig. 1;
Fig. 4-2 is the birds-eye view of Fig. 4-1;
Fig. 5 is the spacing schematic enlarged-scale view of ratchet in Fig. 1, ratchet;
Fig. 6-1 is the schematic enlarged-scale view of door cover in Fig. 1;
Fig. 6-2 is the birds-eye view of Fig. 6-1;
Fig. 7-1 is the schematic enlarged-scale view of locking connecting rod in Fig. 1;
Fig. 7-2 is the birds-eye view of Fig. 7-1;
Fig. 8 is the structural representation that rail end flap is connected with door cover flap;
Fig. 9 is the birds-eye view of Fig. 8 middle deck door cover hinge plate;
Wherein: 1-ratchet; 2-ratchet is spacing; 3-ratchet; 4-is spanner out of my cabin; 5-O shape seal ring; 6-axle sleeve; The powerful enabling bolt of 7-; 8-door cover; 9-hatch door fence; 10-locks stop collar; 11-ratchet torsion spring; 12-door cover opens limiting stopper; 13-can forced shears cut off bolt; 14-latch segment; 15-locks connecting rod; 16-locks rotating disk; 17-lock shaft; 18-cabin internal locking spanner; 19-door cover opens assist spring; 20-rail end flap; 21-door cover flap; 22-locks the proximal part of connecting rod; 23-ratchet fix shaft; The fixed position of 26-door cover flap on door cover; 27-door cover flap location tail.
Detailed description of the invention
As Fig. 1-2, underwater sightseeing of the present invention is dived device, comprise latent device cavity, hatch door and hatch door fence 9, described hatch door comprises that locking rotating disk 16, lock shaft 17, ratchet 1, ratchet are spacing 2, ratchet 3, out of my cabin spanner 4, O-ring seals 5, axle sleeve 6, door cover 8, ratchet torsion spring 11, cabin internal locking spanner 18 and several catch gears, door cover 8 and hatch door fence 9 hinged, door cover 8 surrounds a cavity jointly by hatch door fence 9 and latent device cavity, arranges O RunddichtringO between door cover 8 and hatch door fence 9;
Described lock shaft 17 is positioned at the central axis place of the central axis of door cover 8, the central axis of lock shaft 17 and the central axes of door cover 8, the two ends of lock shaft 17 penetrate door cover 8, one end being arranged in door cover lateral surface of definition lock shaft 17 is outer end (Fig. 1 is shown as the upper end of lock shaft 17), and one end being arranged in door cover medial surface of definition lock shaft 17 is inner (Fig. 1 is shown as the lower end of lock shaft 17); Lock shaft 17 has axle sleeve 6 near outer end place cover, and between axle sleeve 6 and lock shaft 17, contact site arranges twice O RunddichtringO 5, can be used as the use of pressure sealing, and sealing load can reach 50 meters of depth of waters, and axle sleeve 6 is fixedly connected with door cover 8; The outer end of lock shaft 17 has been threaded spanner 4 out of my cabin, and spanner 4 is as the unlocking key of door cover 8 out of my cabin, and the inner of lock shaft 17 has been threaded cabin internal locking spanner 18, for the use of cabin inward swinging door;
Between axle sleeve 6 and cabin internal locking spanner 18, direction (being shown as top-down direction in Fig. 1) in the export-oriented cavity of cavity, lock shaft 17 is disposed with ratchet 3 and locking rotating disk 16, ratchet 3 is fixed on lock shaft 17 and also together can rotates with lock shaft 17, the structure of locking rotating disk 16 is as Fig. 4-1 and 4-2, locking rotating disk 16 is enclosed within lock shaft 17, on locking rotating disk 16, centre hole is provided with screw thread, the relevant position of lock shaft 17 is also provided with screw thread, locking rotating disk 16 and lock shaft 17 screw thread fit, locking rotating disk 16 is made to do along lock shaft 17 crank motion (being shown as up-and-down movement in Fig. 1) under the effect of screw, the external diameter of described locking rotating disk 16 is greater than the external diameter of ratchet 3, is convenient to fixed pawl, ratchet 1 is flexibly connected by the edge of ratchet fix shaft 23 with the lateral surface (being shown as the upper surface of locking rotating disk 16 in Fig. 1) of locking rotating disk 16, as Fig. 3 and Fig. 5, ratchet 1 comprises ratchet head and ratchet afterbody, ratchet fix shaft 23 is between ratchet head and ratchet afterbody, ratchet 1 can rotate around ratchet fix shaft 23, ratchet torsion spring 11 is provided with between the lateral surface of ratchet and locking rotating disk 16, the medial surface (being shown as the lower surface of door cover 8 in Fig. 1) of door cover 8 is fixed with ratchet spacing 2 on direction in cavity, the head of ratchet 1 can engage with ratchet 3 and be separated, the afterbody of ratchet can be contacting and separating with ratchet spacing 2.
The sidewall of locking rotating disk 16 is also evenly distributed with 6 groups of catch gears, described catch gear of often organizing comprises locking connecting rod 15, latch segment 14, columniform locking stop collar 10, the structure of locking connecting rod 15 is as Fig. 7-1 and Fig. 7-2, the proximal part 22 of described locking connecting rod is flexibly connected with locking rotating disk 16, described locking connecting rod 15 distal end and latch segment 14 are by being fixedly connected with by the bolt 13 that cuts off of forced shears, hatch door fence 9 is provided with the groove of coming in and going out for latch segment 14, described latch segment 14 can stretch in groove, the central axis of described locking stop collar 10 and the centerline axis parallel of lock shaft 17, described locking connecting rod 15 passes from the sidewall of the locking stop collar 10 of cylindricality, locking connecting rod 15 can be slided in locking stop collar 10, as Fig. 6-1 and 6-2, described locking stop collar 10 is flexibly connected with the medial surface of door cover 8, locking stop collar 10 can with the central axis of locking stop collar 10 self for axle rotates, be convenient to locking connecting rod and do straight-line motion in locking stop collar 10.
As Fig. 8 and 9, the edge of hatch door fence 9 is fixedly connected with the rail end flap 20 of two arcs, described door cover 8 is fixed with two door cover flaps 21 (position as label 26 in Fig. 6-1 and 6-2), two door cover flaps 21 and two rail end flaps 20 hinged one to one, be connected with spring shaft between two hinge-points, on spring shaft, cover has door cover to open assist spring 19.Described door cover opens the deadweight can offsetting door cover 8 when assist spring 19 is opened for hatch door, is convenient to the unlatching of door cover 8.
Door cover flap 21 is also fixed with door cover flap location tail 27, rail end flap 20 is fixed with door cover and opens limiting stopper 12, door cover flap location tail 27 does clockwise movement along with opening of door cover 8, open after limiting stopper 12 contacts with door cover, door cover 8 stop motion, plays angle limit effect.
Door cover 8, when closing, is first fastened on hatch door fence 9 by hatch door of the present invention, then runs according to Liang Ge Mechanically programm, is namely first stretched out by locking connecting rod 15, and the latch segment 14 being positioned at locking connecting rod 15 distal end stretches into hatch door fence 9; And then make locking rotating disk 16 to direction motion (being shown as descending in Fig. 1) in cavity, the center-side of the locking connecting rod 15 be connected with locking rotating disk 16 is moved to direction in cavity, locking stop collar 10 becomes the fulcrum of locking connecting rod 15, utilize together with door cover 8 fits tightly with hatch door fence 9 by lever force, reach pretension sealing function.Concrete, for Fig. 2, clickwise is spanner 4 out of my cabin, lock shaft 17 is with spanner 4 together clickwise out of my cabin, the ratchet 3 fixed with lock shaft 17 is also with lock shaft 17 together clickwise, due under the effect of ratchet spanner 11, ratchet 1 head and ratchet 3 are that pretension engages, ratchet 3 drives ratchet 1 to move, first ratchet 1 rotates around ratchet fix shaft, ratchet 1 head clockwise movement, ratchet afterbody clockwise movement, under the effect of ratchet spanner 11, ratchet 1 drives locking rotating disk 16 to do clockwise movement by ratchet fix shaft, now, the proximal part 22 of the locking connecting rod be flexibly connected with locking rotating disk is with locking rotating disk 16 clockwise movement, locking connecting rod 15 slides in locking stop collar 10, the latch segment 14 at locking connecting rod 15 distal end place enters hatch door fence 9 groove, first Mechanically programm completes.After locking connecting rod 15 enters hatch door fence, continue rotation lock mandrel 17, ratchet continues to drive detent, when ratchet afterbody and ratchet spacing 2 contacts, ratchet spacing 2 stops ratchet afterbody with locking rotating disk 16 clockwise movement, the head of ratchet 1 is separated with ratchet 3, ratchet and the stop motion of locking rotating disk, the stop motion of locking connecting rod 15, relative motion is there is not in locking rotating disk 16 relative to door cover 8, but ratchet continues clickwise, relative to the initial position of locking rotating disk 16, locking rotating disk 16 is mobile to direction in cavity (being shown as in downward direction in Fig. 1), the proximal part of the locking connecting rod 15 be flexibly connected with on locking rotating disk 16 sidewall moves (being shown as in downward direction in Fig. 1) to direction in cavity, because the latch segment 14 at the distal end place locking connecting rod 15 has entered in the groove of hatch door fence 9 in first Mechanically programm, there is again locking stop collar 10 at the middle part of locking connecting rod 15 as fulcrum, locking connecting rod 15 is made to become a lever, the latch segment 14 of locking connecting rod is to direction outside cavity (being shown as upward direction in Fig. 1), namely door cover direction motion, latch segment 14 is contacted with the end face of the groove of hatch door fence 9, even if door cover 8 is close to the direction of hatch door fence 9, closely be pressed on the sealing surface of hatch door fence 9, door cover 8 and hatch door fence 9 are sealed by O type circle.
When hatch door of the present invention opened by needs, left-hand revolution is spanner 4 out of my cabin, and locking rotating disk 16 is to direction motion (being shown as up in Fig. 1) outside hatch door, and then lock connecting rod 15 and regain, seal failure, door cover is convenient to the discrepancy of personnel after opening.
Above-mentioned door cover 8 is also connected by powerful enabling bolt 7 with between hatch door fence 9.Powerful enabling bolt 7, can when hatch door locks mechanism-trouble, the powerful opened door of rescue group.When the powerful opened door of needs, powerful enabling bolt 7 is rotated with instrument, under the effect of brute force enabling bolt 7, door cover 8 outwards moves relative to hatch door fence 9, and then drive the locking stop collar 10 be connected with door cover 8 outwards to move, now, locking connecting rod 15 through locking stop collar 10 outwards moves, latch segment 14 is still stuck in the groove on hatch door fence 9, like this, a radial application force can be applied by the bolt 13 that cuts off of forced shears between powerful enabling bolt 7 pairs of latch segments 14 and locking connecting rod 15, when application force is enough large, can forced shears cut off bolt 13 fracture, latch segment 14 is separated with locking connecting rod 15, thus door cover 8 is unlocked, powerful enabling bolt 7 is safety device, use under unforeseen circumstances.
Claims (7)
1. underwater hiding-machine hatch door, is characterized in that: described hatch door comprises locking rotating disk (16), lock shaft (17), ratchet (1), ratchet spacing (2), ratchet (3), O-ring seals (5), axle sleeve (6), door cover (8), ratchet torsion spring (11) and several catch gears;
Described lock shaft (17) is positioned at the central axis place of the central axis of door cover (8), the central axis of lock shaft (17) and the central axes of door cover (8), the two ends of lock shaft (17) penetrate door cover (8), one end being positioned at door cover (8) lateral surface of definition lock shaft (17) is outer end, and one end being positioned at door cover (8) medial surface of definition lock shaft (17) is for inner; Lock shaft (17) is upper has axle sleeve (6) near outer end place cover, be provided with O-ring seals (5) between axle sleeve (6) and lock shaft (17), axle sleeve (6) is fixedly connected with door cover (8);
Between axle sleeve (6) and lock shaft (17) the inner, direction in door cover (8) export-oriented door cover (8), lock shaft (17) is disposed with ratchet (3) and locking rotating disk (16), ratchet (3) is fixed on lock shaft (17) and above also together can rotates with lock shaft (17), locking rotating disk (16) is enclosed within lock shaft (17) and goes up and be threaded with lock shaft (17), locking rotating disk (16) is fixed with ratchet (1), ratchet torsion spring (11) is provided with between ratchet and locking rotating disk (16), the medial surface of door cover (8) is fixed with ratchet spacing (2) on locking rotating disk direction, the head of ratchet (1) can engage with ratchet (3) and be separated, the afterbody of ratchet can spacing with ratchet (2) be contacting and separating,
The sidewall of locking rotating disk (16) is also evenly distributed with some groups of catch gears, described catch gear of often organizing comprises locking connecting rod (15), latch segment (14), the locking stop collar (10) of cylindricality, the proximal part of described locking connecting rod (15) is flexibly connected with locking rotating disk (16), described locking connecting rod (15) distal end and latch segment (14) are by being fixedly connected with by the bolt (13) that cuts off of forced shears, the central axis of described locking stop collar (10) and the centerline axis parallel of lock shaft (17), described locking connecting rod (15) is passed from the sidewall of the locking stop collar (10) of cylindricality, described locking stop collar (10) is flexibly connected with the medial surface of door cover (8), locking stop collar (10) can be that axle rotates to lock the central axis of stop collar (10) self.
2. underwater hiding-machine hatch door according to claim 1, it is characterized in that: the outer end of described lock shaft (17) has been threaded spanner (4) out of my cabin, the inner of lock shaft (17) has been threaded cabin internal locking spanner (18).
3. underwater hiding-machine hatch door according to claim 1 and 2, is characterized in that: described catch gear is 4-10 group.
4. the underwater sightseeing with the arbitrary described hatch door of claim 1-3 is dived device, it is characterized in that: comprise latent device cavity, hatch door and hatch door fence (9), door cover (8) and hatch door fence (9) hinged, door cover (8) surrounds a cavity jointly by hatch door fence (9) and latent device cavity; Hatch door fence (9) is provided with the groove of coming in and going out for latch segment (14), described latch segment (14) can stretch in groove.
5. underwater sightseeing according to claim 4 is dived device, it is characterized in that: be also connected by powerful enabling bolt (7) between described door cover (8) with hatch door fence (9).
6. the underwater sightseeing according to claim 4 or 5 is dived device, it is characterized in that: the edge of described hatch door fence (9) is fixedly connected with two rail end flaps (20), described door cover (8) is fixed with two door covers (8) flap (21), two door covers (8) flap (21) are hinged one to one with two rail end flaps (20), be connected with spring shaft between two hinge-points, on spring shaft, cover has door cover (8) to open assist spring (19).
7. underwater sightseeing according to claim 6 is dived device, it is characterized in that: described door cover (8) flap (21) is also fixed with door cover (8) flap location tail 27, rail end flap (20) is fixed with door cover (8) and opens limiting stopper (12), described door cover (8) opens limiting stopper (12) in the path of motion of door cover flap location tail (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296051.8A CN104859819B (en) | 2015-06-02 | 2015-06-02 | Underwater hiding-machine hatch door and the latent device of the underwater sightseeing with the hatch door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296051.8A CN104859819B (en) | 2015-06-02 | 2015-06-02 | Underwater hiding-machine hatch door and the latent device of the underwater sightseeing with the hatch door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104859819A true CN104859819A (en) | 2015-08-26 |
| CN104859819B CN104859819B (en) | 2017-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510296051.8A Active CN104859819B (en) | 2015-06-02 | 2015-06-02 | Underwater hiding-machine hatch door and the latent device of the underwater sightseeing with the hatch door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859819B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2653651C2 (en) * | 2016-05-25 | 2018-05-11 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-Морского Флота "Военно-морская академия имени Адмирала флота Советского Союза Н.Г. Кузнецова" | Hatch of underwater technical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273064A (en) * | 1979-02-01 | 1981-06-16 | Sutton Robert W | Hatch cover |
| US20070024063A1 (en) * | 2005-08-01 | 2007-02-01 | American Railcar Industries, Inc. | Apparatus and method for securing a hatch cover to a hatch port |
| CN201472626U (en) * | 2009-07-15 | 2010-05-19 | 江阴市船舶设备制造有限公司 | Marine sealing structure of pressure-resistant doors and covers |
| CN201834177U (en) * | 2010-08-26 | 2011-05-18 | 无锡市东舟船舶附件有限公司 | A60-class quick opening and closing fire-proof and watertight hatch cover |
| CN203439230U (en) * | 2013-07-04 | 2014-02-19 | 江门市南洋船舶工程有限公司 | Small marine hatch cover for engine room object lifting opening |
| CN204688388U (en) * | 2015-06-02 | 2015-10-07 | 烟台宏远氧业有限公司 | Underwater hiding-machine hatch door and the underwater sightseeing with this hatch door are dived device |
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2015
- 2015-06-02 CN CN201510296051.8A patent/CN104859819B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273064A (en) * | 1979-02-01 | 1981-06-16 | Sutton Robert W | Hatch cover |
| US20070024063A1 (en) * | 2005-08-01 | 2007-02-01 | American Railcar Industries, Inc. | Apparatus and method for securing a hatch cover to a hatch port |
| CN201472626U (en) * | 2009-07-15 | 2010-05-19 | 江阴市船舶设备制造有限公司 | Marine sealing structure of pressure-resistant doors and covers |
| CN201834177U (en) * | 2010-08-26 | 2011-05-18 | 无锡市东舟船舶附件有限公司 | A60-class quick opening and closing fire-proof and watertight hatch cover |
| CN203439230U (en) * | 2013-07-04 | 2014-02-19 | 江门市南洋船舶工程有限公司 | Small marine hatch cover for engine room object lifting opening |
| CN204688388U (en) * | 2015-06-02 | 2015-10-07 | 烟台宏远氧业有限公司 | Underwater hiding-machine hatch door and the underwater sightseeing with this hatch door are dived device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2653651C2 (en) * | 2016-05-25 | 2018-05-11 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-Морского Флота "Военно-морская академия имени Адмирала флота Советского Союза Н.Г. Кузнецова" | Hatch of underwater technical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104859819B (en) | 2017-06-09 |
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Address after: No.6 cheshan Road, Wolong Industrial Park, Zhifu District, Yantai City, Shandong Province Patentee after: YANTAI HONGYUAN OXYGEN INDUSTRIAL Inc. Address before: No.6 cheshan Road, Wolong Industrial Park, Zhifu District, Yantai City, Shandong Province Patentee before: YANTAI HONGYUAN OXYGEN INDUSTRIAL Co.,Ltd. |
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Inventor after: Sun Maoxu Inventor after: Zhang Yu Inventor after: Chai Bo Inventor before: Sun Maoxu Inventor before: Zhang Yu Inventor before: Cai Bo |