CN106672172A - Watertight door opening structure - Google Patents
Watertight door opening structure Download PDFInfo
- Publication number
- CN106672172A CN106672172A CN201710028441.6A CN201710028441A CN106672172A CN 106672172 A CN106672172 A CN 106672172A CN 201710028441 A CN201710028441 A CN 201710028441A CN 106672172 A CN106672172 A CN 106672172A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- guide rail
- sliding support
- opening structure
- door body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/24—Arrangements of watertight doors in bulkheads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/24—Arrangements of watertight doors in bulkheads
- B63B43/26—Arrangements of watertight doors in bulkheads of sliding type
- B63B43/30—Arrangements of watertight doors in bulkheads of sliding type with fluid drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/24—Arrangements of watertight doors in bulkheads
- B63B43/32—Arrangements of watertight doors in bulkheads of non-sliding type
Abstract
The invention relates to a watertight door opening structure and belongs to the technical field of ships. The watertight door opening structure comprises a door frame, a door body, a first connecting rod, a second connecting rod, a sliding support, a guide rail frame and a hydraulic driving device. The upper edge and the lower edge of the door body are hinged to the first connecting rod and the second connecting rod. The other end of the first connecting rod and the other end of the second connecting rod are hinged to the sliding support which slides on the guide rail frame. Idler wheels are arranged on the first connecting rod and can roll in and out of a sliding groove of the guide rail frame. The second connecting rod is connected with the hydraulic driving device through a telescopic connecting assembly. A limiting bumping block is arranged on the sliding support. At the moment that the door body is opened, the first connecting rod drives the door body to swing, so that sealing rubber is disconnected with a rubber compressing strip on the door frame, and the sliding support drives the door body to move along the guide rail frame till the door frame reaches a final opening position. According to the watertight door opening structure, a watertight door can be opened through one driving device, the cost is effectively reduced, and the reliability of the watertight door is improved.
Description
Technical field
The present invention relates to a kind of watertight door opening structure, belongs to technical field of ships.
Background technology
Ship is the general name of various ships, for navigate by water or berth in waters transported or operation the vehicles, press
Different use requirement and there is different technical performances, equipment and structural shape.With the progress of science and technology, Marine Materials
Also constantly update, the development of ship can increasingly meet the various needs of people.Watertight door wherein on ship requires water-stop
Performance is good.
Due to needing to arrange sealed rubber in the door body of watertight door, between the rubber compression bar on the sealed rubber and doorframe
Compress, so as to be achieved the seal of watertight door.Therefore existing watertight door opening ways are first door body to be pulled open with power,
So that sealed rubber is mutually disengaged with the rubber compression bar on doorframe in door body, then again using hydraulic jack and its supporting
Structure come drive door body slide make door body move to relevant position.Therefore existing watertight door opening ways are typically the need for two
The driving structure of power, cost is higher, and complex structure, less reliable.
The content of the invention
The technical problem to be solved is to overcome in above-mentioned prior art to lack present in watertight door opening structure
Fall into, and a kind of watertight door opening structure is provided, the watertight door opening structure only need to surge hydraulic oil cylinder driving, by the swing of watertight door
The unlatching of watertight door is realized with sliding, such that it is able to effectively save cost, and the reliability of watertight door is improve.
To solve above-mentioned technical problem, the technical scheme is that what is be achieved in that：A kind of watertight door opening structure, bag
Doorframe, door body, first connecting rod, second connecting rod, sliding support, guide rail bracket and fluid pressure drive device are included, the guide rail bracket is two groups,
The upper and lower both sides of doorframe are correspondingly arranged at respectively；The first connecting rod is two with second connecting rod, is correspondingly arranged at door body
Upper and lower both sides, the upper and lower both sides of the door body mutually link with first connecting rod and second connecting rod one end, and the first connecting rod is another
End mutually links with sliding support, and the sliding support slides on guide rail bracket, and described guide rail bracket one end is provided with chute, and described first
Connecting rod is provided with roller, rotates into and produces in the chute that the roller can be on guide rail bracket, and the second connecting rod other end passes through
Expansion joint assembly is connected with fluid pressure drive device, mutually links with sliding support in the middle of second connecting rod, on the sliding support
It is provided with the spacing collision block for limiting second connecting rod hunting range.
Further, the sliding support is by upper and lower two parallel cross bars and the montant being connected with upper and lower two cross bars
Composition, the montant is arranged in a mutually vertical manner with two cross bars, one end of described two cross bars respectively with two first connecting rod one end
Mutually link.
Further, the cross bar is installed on guide rail bracket, and is equipped with what is slided on guide rail bracket on two cross bars
Two roller devices.
Further, the expansion joint assembly is made up of push rod and shrinking connecting-rod frame, on the push rod and sliding support
Montant be arranged in parallel, the push rod two ends mutually link respectively with the second connecting rod one end for being arranged on the upper and lower both sides of door body, described
One end of shrinking connecting-rod frame is fixed on push rod middle part, and the other end is fixed on doorframe side.
Further, the shrinking connecting-rod frame is made up of the tetragon that multigroup four connecting rods are linked, and per group four company
Shape is connected as a body by hinge joint.
Further, the hinged end that last group of tetragon keeps to the side on the shrinking connecting-rod frame is connected with doorframe side, with
The hinged end of adjacent another tetragon that last group of tetragon is mutually linked is connected with fluid pressure drive device.
Further, first connecting rod structure triangular in shape, three ends of its triangle are respectively two anchor points
And scroll wheel positions, and roller is arranged on the end in the middle of first connecting rod.
Further, second connecting rod structure triangular in shape, three ends of its triangle are respectively three anchor points.
Further, the spacing collision block is fixed on sliding support, and the roller on the first connecting rod produces guide rail bracket
On chute when, the second connecting rod with spacing collision block while direct reach.
Further, the first connecting rod and second connecting rod are placed in the side of door body, and first connecting rod and second connecting rod
It is symmetrical arranged to both sides along door body centre position.
Beneficial effects of the present invention, the present invention is opened by structures such as connecting rod, sliding support and guide rail brackets in operation watertight door
Qi Shi, in the moment that door body is opened, the roller on first connecting rod is stuck in the chute of guide rail bracket, first connecting rod is only rotated,
And sliding support cannot be moved, first connecting rod is set to drive door body to do wobbling action, so that on sealed rubber and doorframe
Rubber compression bar departs from, while certain structures around doorframe can be avoided, after door body swings to certain position, first connecting rod
Roller produce after chute, door body swing in place, sliding support with door body along guide rail bracket move, until final open position.
The present invention by driving means can practical watertight door open, be both effectively saved cost, be improved watertight door can
By property.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to the above objects, features and advantages of the present invention can be become apparent from
It is understandable, below especially exemplified by preferred embodiment, it is explained.
Description of the drawings
With reference to the accompanying drawings and examples the present invention will be further described.
Fig. 1 is structural representation when watertight door of the present invention is closed.
Fig. 2 is structural representation after watertight door of the present invention unlatching.
Fig. 3 is other direction structural representation when watertight door of the present invention is closed.
Fig. 4 is other direction structural representation after watertight door of the present invention unlatching.
Fig. 5 is door body of the present invention and connecting rod, sliding support attachment structure schematic diagram.
Fig. 6 is that door body of the present invention swings original state structural representation.
Fig. 7 is that door body of the present invention swings status architecture schematic diagram in place.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to the specific embodiment according to watertight door opening structure proposed by the present invention, structure, feature and its
Effect, describes in detail as after.
As shown in Figures 1 and 2, a kind of watertight door opening structure of the invention, including doorframe 1, door body 2, first connecting rod 3,
Two connecting rods 4, sliding support 5, guide rail bracket 6, expansion joint assembly 7 and fluid pressure drive device 8.
The door body 1 moves unlatching along the upper and lower both sides of doorframe 2, as shown in figure 1, the door body described in presents
Opening direction is described by upper and lower both sides.
The guide rail bracket 6 is two groups, and the upper and lower both sides of doorframe 2 are correspondingly arranged at respectively；The first connecting rod 3 and second connects
Bar 4 is two, is correspondingly arranged at the upper and lower both sides of door body 1.
As shown in Figures 3 and 4, first connecting rod 3 and second connecting rod 4 are placed in the side of door body 1, and first connecting rod 3 and
Two connecting rods 4 are symmetrical arranged along the centre position of door body 1 to both sides, can select to be arranged in the position apart from the middle half of door body 1.Institute
State the upper and lower both sides of door body 1 mutually to link with first connecting rod 3 and the one end of second connecting rod 4.
The other end of the first connecting rod 3 is mutually linked with sliding support 5, and the sliding support 5 slides on guide rail bracket 6, institute
State the one end of guide rail bracket 6 and be provided with chute 61, the first connecting rod 3 is provided with roller 31, and the roller 31 can be in the cunning on guide rail bracket 6
Rotate into and produce in groove 61.The structure triangular in shape of the first connecting rod 3, three ends of its triangle are respectively two anchor points
And scroll wheel positions, and roller is arranged on the end in the middle of first connecting rod.
As shown in figure 5, what the sliding support 5 was connected by upper and lower two parallel cross bars 51 and with upper and lower two cross bars
Montant 52 is constituted, and the montant 52 is arranged in a mutually vertical manner with two cross bars 51, the one end of described two cross bars 51 respectively with two
The one end of one connecting rod 3 mutually links.Two cross bars of the sliding support 5 are installed in respectively on upper and lower rails frame 6, and in two horizontal strokes
Two roller devices 53 slided on guide rail bracket 6 are equipped with bar 51, sliding support 5 and the enterprising line slip of guide rail bracket 6 is made.
The other end of the second connecting rod 4 is connected by expansion joint assembly 7 with fluid pressure drive device 8, in second connecting rod 4
Between mutually link with sliding support 5.The structure triangular in shape of the second connecting rod 4, three ends of its triangle are respectively three strands
Contact.
The expansion joint assembly 7 is made up of push rod 71 and shrinking connecting-rod frame 72, on the push rod 71 and sliding support
Montant 52 be arranged in parallel, and the two ends of the push rod 71 mutually link respectively with the one end of second connecting rod 4 for being arranged on the upper and lower both sides of door body 1,
Described one end of shrinking connecting-rod frame 72 is fixed on the middle part of push rod 71, and the other end is fixed on the side of doorframe 2.
The shrinking connecting-rod frame 72 is made up of the tetragon that multigroup four connecting rods are linked, and per group four connects shape by twisting
Connect and be connected as a body.The hinged end 73 that last group of tetragon keeps to the side on the shrinking connecting-rod frame is connected with the side of doorframe 2, and last
The hinged end 74 of adjacent another tetragon that one group of tetragon is mutually linked is connected with fluid pressure drive device 8.
The sliding support 7 is provided with spacing collision block 9, and the spacing collision block is fixed on sliding support 5, the first connecting rod
When roller 31 on 3 produces the chute 61 on guide rail bracket 6, the one side of the second connecting rod 4 is directed reach with spacing collision block 9, so as to prevent
Second connecting rod is rotated further, i.e., door body 1 swings and stops.
Operate watertight door of the present invention when, door body 1 unlatching moment, now the roller 31 on first connecting rod 3 be stuck in and lead
In the chute 61 of rail gantry 6, as shown in fig. 6, make first connecting rod 3 to rotate, and sliding support 5 cannot be moved, in liquid
In the presence of hydraulic driver 8, make second connecting rod 4 rotate by shrinking connecting-rod frame 72 and push rod 71, drive door body 1 to carry out
It is preliminary to swing, then drive the 1st connecting rod 3 to rotate by door body 1, under the drive of first connecting rod 3 and second connecting rod 4, door body 1
Wobbling action is done, so that the rubber compression bar 21 on sealed rubber 10 and doorframe 2 departs from, while can be around doorframe 2
Certain structures are avoided, and after door body 1 swings to certain position, the roller 31 of first connecting rod 3 is produced after the chute 61 of guide rail bracket 6,
Door body 1 has swung in place, and second connecting rod 4 can not be further continued for swinging in the presence of spacing collision block 9, as shown in Figure 7；
And because the roller 31 of first connecting rod 3 has gone out the chute 61 of guide rail bracket 6, cause sliding support 5 to become free shape from stationary state
State, sliding support 5 is moved together with door body 1 along guide rail bracket 6, until final open position.The action of closing is conversely, i.e. door body
1 advanced line slip, slides in place, and door body 1 is swung in the opposite direction with opening square, so that roller 31 rotates into guide rail bracket
In 6 chute 61.
Practical watertight door is opened by the present invention passes through a driving means, i.e. the action of a horizontal drawing is filled by machinery
Put realization to swing, the substep motion then slided again both had been effectively saved cost, had been improved the reliability of watertight door.
In sum, it is every without departing from above-mentioned technical proposal content of the present invention, according to the technical spirit of the present invention to the above
Any simple modification, equivalent variations and modification that embodiment is made, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of watertight door opening structure, including doorframe, door body and fluid pressure drive device, it is characterised in that：The watertight door is opened
Opening structure also includes first connecting rod, second connecting rod, sliding support, guide rail bracket and fluid pressure drive device, and its described guide rail bracket is two
Group, is correspondingly arranged at respectively the upper and lower both sides of doorframe；The first connecting rod is two with second connecting rod, is correspondingly arranged at door body
Upper and lower both sides, the upper and lower both sides of the door body mutually link with first connecting rod and second connecting rod one end, and the first connecting rod is another
One end mutually links with sliding support, and the sliding support slides on guide rail bracket, and described guide rail bracket one end is provided with chute, and described
One connecting rod is provided with roller, rotates into and produces in the chute that the roller can be on guide rail bracket, and the second connecting rod other end leads to
Cross expansion joint assembly to be connected with fluid pressure drive device, mutually link with sliding support in the middle of second connecting rod, the sliding support
It is provided with the spacing collision block for limiting second connecting rod hunting range.
2. watertight door opening structure according to claim 1, it is characterised in that：The sliding support is by upper and lower parallel
Two cross bars and the montant composition being connected with upper and lower two cross bars, the montant is arranged in a mutually vertical manner with two cross bars, and described two
One end of individual cross bar mutually links respectively with two first connecting rod one end.
3. watertight door opening structure according to claim 2, it is characterised in that：The cross bar is installed on guide rail bracket, and
Two roller devices slided on guide rail bracket are equipped with two cross bars.
4. watertight door opening structure according to claim 2, it is characterised in that：The expansion joint assembly is by push rod and stretches
Contracting connecting rod rest is constituted, and the push rod be arranged in parallel with the montant on sliding support, the push rod two ends respectively be arranged on door body
The second connecting rod one end on upper and lower both sides mutually links, and one end of the shrinking connecting-rod frame is fixed on push rod middle part, and the other end is fixed on
On doorframe side.
5. watertight door opening structure according to claim 4, it is characterised in that：The shrinking connecting-rod frame is by multigroup four companies
The tetragon of bar hinge joint is constituted, and per group four is connected shape and is connected as a body by hinge joint.
6. watertight door opening structure according to claim 1, it is characterised in that：Last group four on the shrinking connecting-rod frame
The hinged end that side shape is kept to the side is connected with doorframe side, the hinged end of the adjacent another tetragon mutually linked with last group of tetragon
It is connected with fluid pressure drive device.
7. watertight door opening structure according to claim 1, it is characterised in that：First connecting rod structure triangular in shape,
Three ends of its triangle are respectively two anchor points and scroll wheel positions, and roller is arranged on the end in the middle of first connecting rod.
8. watertight door opening structure according to claim 1, it is characterised in that：Second connecting rod structure triangular in shape,
Three ends of its triangle are respectively three anchor points.
9. watertight door opening structure according to claim 1, it is characterised in that：The spacing collision block is fixed on sliding support
On, when the roller on the first connecting rod produces the chute on guide rail bracket, the second connecting rod with spacing collision block while direct reach.
10. watertight door opening structure according to claim 1, it is characterised in that：The first connecting rod and second connecting rod are equal
The side of door body is placed in, and first connecting rod and second connecting rod are symmetrical arranged along door body centre position to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028441.6A CN106672172A (en) | 2017-01-16 | 2017-01-16 | Watertight door opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028441.6A CN106672172A (en) | 2017-01-16 | 2017-01-16 | Watertight door opening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106672172A true CN106672172A (en) | 2017-05-17 |
Family
ID=58858991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028441.6A Pending CN106672172A (en) | 2017-01-16 | 2017-01-16 | Watertight door opening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106672172A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661892A (en) * | 2017-09-07 | 2018-02-06 | 迈柯唯医疗设备(苏州)有限公司 | Cleaning machine sealing device |
| CN108423128A (en) * | 2018-03-20 | 2018-08-21 | 上海科得威船舶技术工程有限公司 | A kind of rope ladder stop self-locking device |
| CN108626399A (en) * | 2018-06-28 | 2018-10-09 | 青岛诚利佳机械有限公司 | A kind of bowling machine door body sealing device |
| CN110259336A (en) * | 2019-05-15 | 2019-09-20 | 宿州云宏建设安装有限公司 | A kind of compound color steel tile of wall |
| CN113968314A (en) * | 2021-12-08 | 2022-01-25 | 中国船舶科学研究中心 | Large-scale hinge type watertight door |
| CN114368459A (en) * | 2021-12-14 | 2022-04-19 | 安徽欣万顺安全装备科技有限公司 | Single-handle quick-opening linkage steel watertight door |
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| US3136538A (en) * | 1962-11-19 | 1964-06-09 | Dor West Inc | Automatic entrance with sliding doors |
| SU1167102A1 (en) * | 1983-11-23 | 1985-07-15 | Предприятие П/Я М-5261 | Driving device of ship compartment door |
| JP3049944U (en) * | 1997-12-18 | 1998-06-30 | 山三鋳造株式会社 | Watertight structure of watertight sliding door |
| KR20020071431A (en) * | 2001-03-06 | 2002-09-12 | 가부시끼가이샤교산세이사꾸쇼 | Movable platform fence device |
| US20030026659A1 (en) * | 2001-08-01 | 2003-02-06 | Chun-Ching Wu | Water gate opened and closed by oil pressure |
| KR200389929Y1 (en) * | 2005-04-29 | 2005-07-18 | 주식회사 코리아코프 | Opening/shutting device for slide door of reefer |
| DE102008025295A1 (en) * | 2008-05-27 | 2009-12-10 | Reinhard Nau | Swinging-sliding door for closing opening in e.g. inner wall of structure of ship, has profiled rails forming linear guide and arranged at wall above opening, where linear guide runs parallel to door leaf plane |
| KR101175058B1 (en) * | 2012-06-07 | 2012-08-17 | 김수환 | Space saving type opening and closing door |
| US20130008364A1 (en) * | 2011-07-07 | 2013-01-10 | John Elder | Watertight door system |
| JP2014073696A (en) * | 2012-10-02 | 2014-04-24 | Kayaba System Machinery Co Ltd | Opening shielding device |
| CN204736999U (en) * | 2015-03-24 | 2015-11-04 | 上海科得威船舶技术工程有限公司 | Foldable watertight door |
| CN206569233U (en) * | 2017-01-16 | 2017-10-20 | 上海科得威船舶技术工程有限公司 | A kind of watertight door opening structure |
-
2017
- 2017-01-16 CN CN201710028441.6A patent/CN106672172A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3136538A (en) * | 1962-11-19 | 1964-06-09 | Dor West Inc | Automatic entrance with sliding doors |
| SU1167102A1 (en) * | 1983-11-23 | 1985-07-15 | Предприятие П/Я М-5261 | Driving device of ship compartment door |
| JP3049944U (en) * | 1997-12-18 | 1998-06-30 | 山三鋳造株式会社 | Watertight structure of watertight sliding door |
| KR20020071431A (en) * | 2001-03-06 | 2002-09-12 | 가부시끼가이샤교산세이사꾸쇼 | Movable platform fence device |
| US20030026659A1 (en) * | 2001-08-01 | 2003-02-06 | Chun-Ching Wu | Water gate opened and closed by oil pressure |
| KR200389929Y1 (en) * | 2005-04-29 | 2005-07-18 | 주식회사 코리아코프 | Opening/shutting device for slide door of reefer |
| DE102008025295A1 (en) * | 2008-05-27 | 2009-12-10 | Reinhard Nau | Swinging-sliding door for closing opening in e.g. inner wall of structure of ship, has profiled rails forming linear guide and arranged at wall above opening, where linear guide runs parallel to door leaf plane |
| US20130008364A1 (en) * | 2011-07-07 | 2013-01-10 | John Elder | Watertight door system |
| KR101175058B1 (en) * | 2012-06-07 | 2012-08-17 | 김수환 | Space saving type opening and closing door |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661892A (en) * | 2017-09-07 | 2018-02-06 | 迈柯唯医疗设备(苏州)有限公司 | Cleaning machine sealing device |
| CN107661892B (en) * | 2017-09-07 | 2023-12-15 | 迈柯唯医疗设备(苏州)有限公司 | Sealing machine for cleaning machine |
| CN108423128A (en) * | 2018-03-20 | 2018-08-21 | 上海科得威船舶技术工程有限公司 | A kind of rope ladder stop self-locking device |
| CN108423128B (en) * | 2018-03-20 | 2023-09-08 | 上海科得威船舶技术工程有限公司 | Rope ladder stop self-locking device |
| CN108626399A (en) * | 2018-06-28 | 2018-10-09 | 青岛诚利佳机械有限公司 | A kind of bowling machine door body sealing device |
| CN108626399B (en) * | 2018-06-28 | 2024-02-20 | 青岛同盛佳机械科技有限公司 | Sealing device for door body of ball machine |
| CN110259336A (en) * | 2019-05-15 | 2019-09-20 | 宿州云宏建设安装有限公司 | A kind of compound color steel tile of wall |
| CN110259336B (en) * | 2019-05-15 | 2020-09-15 | 宿州市思达特科技有限公司 | Composite color steel tile for wall |
| CN113968314A (en) * | 2021-12-08 | 2022-01-25 | 中国船舶科学研究中心 | Large-scale hinge type watertight door |
| CN113968314B (en) * | 2021-12-08 | 2022-08-30 | 中国船舶科学研究中心 | Large-scale hinge type watertight door |
| CN114368459A (en) * | 2021-12-14 | 2022-04-19 | 安徽欣万顺安全装备科技有限公司 | Single-handle quick-opening linkage steel watertight door |
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