CN104405265B - A kind of cabin door Inflatable sealing structure - Google Patents
A kind of cabin door Inflatable sealing structure Download PDFInfo
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- CN104405265B CN104405265B CN201410544013.5A CN201410544013A CN104405265B CN 104405265 B CN104405265 B CN 104405265B CN 201410544013 A CN201410544013 A CN 201410544013A CN 104405265 B CN104405265 B CN 104405265B
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- air bag
- cabin door
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- interior air
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Abstract
The present invention relates to a kind of cabin door Inflatable sealing structure, solve traditional cabin door hermetically-sealed construction and be subject to the problem that the impact of cabin door fastening power is large.This device comprises doorframe, the cabin door in doorframe is embedded under closed condition, the ring week of cabin door lateral surface is provided with extension edge, extension edge medial surface has been sticked static sealing bar, it is characterized in that: the middle part of described doorframe medial surface is provided with a circle groove around whole doorframe, inflatable seal bar is provided with in groove, inflatable seal bar has double-layer air bag, be respectively outer air bag, interior air bag, the lateral wall of outer air bag is simultaneously as sealing surface, interior air bag is arranged on outer inside air bag, outer air bag is connected with same gas tube respectively by valve with interior air bag, during work, outer air bag and interior air bag keep same air pressure, during venting, sealing surface is in inside grooves, the side of cabin door is resisted against outside sealing surface expansion to groove during inflation.The present invention adopts side direction air filling type close, ensures press seal effect; Indicate leak location by spray paint ejection position when air bag is damaged, can locate rapidly and overhaul.
Description
Technical field
The present invention relates to ship cabin door, particularly a kind of cabin door Inflatable sealing structure.
Background technology
The cabin of boats and ships is generally provided with the cabin door of high leakproofness, to ensure the sealing in cabin, such as, is storing the cabin being subject to the article of sea ambient influnence, or freezing cabin etc., there is very high requirement to the tightness of cabin door.The outer periphery of the general door-plate of traditional cabin door has the extension edge outwards stretched, extension edge to be sticked weather strip by the side of door, when cabin door is closed, cabin door body embeds in doorframe, extension edge compresses on the sidewall of doorframe outer end, forms sealing by weather strip between extension edge and doorframe lateral wall.This structure adopts front press seal, and the thrust that sealing performance fastens with cabin door is closely related, lax after the snap close Long-Time Service of cabin door, or after the wearing and tearing of weather strip Long-Time Service, sealing performance cannot ensure.
Chinese patent CN201826703U disclosed in 11 days Mays in 2011, name is called a kind of seal chamber door of mine refuge chamber, cabin door seal form on this device and ship is similar, is all outwards launch to arrange extension edge at the lateral surface of hatch door, then on the medial surface ring week of extension edge, arranges weather strip.The sealing performance of said apparatus and the fastening power of hatch door closely related, and weather strip may wear to a certain degree, and sealing effectiveness can be affected.
Summary of the invention
The object of the invention is to that the impact that traditional cabin door hermetically-sealed construction fastens power by cabin door is large, large problem affected on sealing performance after weather strip wearing and tearing, a kind of cabin door Inflatable sealing structure of lateral seal is provided.The present invention also may wear to energy auto-compensation to a certain degree at weather strip, and forms mark.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cabin door Inflatable sealing structure, comprise doorframe, the cabin door in doorframe is embedded under closed condition, the ring week of cabin door lateral surface is provided with extension edge, extension edge medial surface has been sticked static sealing bar, the middle part of described doorframe medial surface is provided with a circle groove around whole doorframe, inflatable seal bar is provided with in groove, inflatable seal bar has double-layer air bag, be respectively outer air bag, interior air bag, the lateral wall of outer air bag is simultaneously as sealing surface, interior air bag is arranged on outer inside air bag, outer air bag is connected with same gas tube respectively by valve with interior air bag, during work, outer air bag and interior air bag keep same air pressure, during venting, sealing surface is in inside grooves, the side of cabin door is resisted against outside sealing surface expansion to groove during inflation.Interior air bag and outer air bag can synchronous inflation/deflations, during venting, whole inflatable seal bar is retracted within groove, cabin door switching process can be avoided, and cabin door causes sealing surface wear when personnel walk about when opening, when sealing is desired, cabin door fastens after closing, static sealing bar on extension edge forms once sealing between extension edge and doorframe end wall, then inflated by gas tube inner bladder and outer air bag, outer air bag swells and is resisted against on the surrounding place side face of cabin door, the pressure initiation thrust utilizing air bag to produce, improve sealing effectiveness, and the direction of pull that the power thrusts of air sac pressing cabin door and cabin door snap close produce is vertical, snap close fastens power and can not have an impact to the sealing performance of inflatable seal bar.Because interior air bag is consistent with the air pressure of outer air bag, interior air bag there is no large change; If outer air bag generation seepage, the air pressure of outer air bag is less than the air pressure of interior air bag, interior air bag swells until fit to outer air bag to compensate sealing, interior air bag relies on squeezing action can also block the breakthrough of outer air bag, even if breakthrough badly broken cannot be blocked completely, interior air bag also can provide extruding force to form sealing.
As preferably, have the Powdered spray paint of band instruction look in described outer air bag, the valve mouth of described outer air bag is provided with the filter screen preventing spray paint from springing back over gas tube.When outer air bag generation seepage, the Powdered spray paint of outer air bag is taken out of by the high velocity air of leakage, and the side of cabin door forms eye-catching mark, can indicate damage location, staff can position leakage rapidly, optionally judges to carry out repairing or changing.
As preferably, have the Powdered spray paint that band is different from outer air bag instruction look in described interior air bag, the valve mouth of described interior air bag is provided with the filter screen preventing spray paint from springing back over gas tube.Powdered spray paint in interior air bag adopts and the different instruction look of outer air bag spray paint, when inside and outside air bag seepage occurs simultaneously, then must change whole weather strip.
As preferably, described double-layer air bag is segmentation structure, and partition-type structures cuts off interior air bag and outer air bag simultaneously.The length sealed as required can to weather strip direct shearing without the need to carrying out encapsulation process to shearing place again.Meanwhile, when the outer air bag seepage of certain section, only have this section of corresponding interior air bag to swell and compensate sealing.
As preferably, described partition-type structures is perpendicular to the linear pattern of weather strip side, the bias type of the oblique setting of opposing seal bar side or the middle part broken line type through twice 90 degree of bendings.Adopt the partition-type structures of oblique line or broken line type, can seal the direction of vertical seal bar better.
As preferably, every section of outer air bag be cut off has with interior air bag the valve be connected with gas tube respectively.
As preferably, described interior air bag and outer air bag adopt elastic rubber material.
The present invention adopts the inflatable seal of side direction to be used as the sealing of secondary cabin door, and it is vertical that thrust direction and the cabin door snap close of inflatable seal place fasten force direction, ensures press seal effect; The inflatable seal bar structure of double-layer air bag, can compensate sealing during air bag breakage seepage outside, improve the functional reliability of inflatable seal bar; Spray paint is set in air bag, indicates leak location when air bag is damaged by spray paint ejection position, can locate rapidly and overhaul.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partition-type structures schematic diagram of a kind of inflatable seal bar of the present invention.
Fig. 3 be in Fig. 2 A to cross-sectional schematic.
Fig. 4 is the cross-sectional structure schematic diagram of inflatable seal bar of the present invention.
Fig. 5 is the second inflatable seal bar partition-type structures schematic diagram of the present invention.
Fig. 6 is the third inflatable seal bar partition-type structures schematic diagram of the present invention.
In figure: 1, outer air bag, 2, interior air bag, 3, partition-type structures, 4, gas tube, 5, valve, 6, filter screen, 7, yellow powder spray paint, 8, red powder spray paint, 9, doorframe, 10, cabin door, 11, inflatable seal bar, 12, groove, 13, extension edge, 14, static sealing bar.
Detailed description of the invention
Below by specific embodiment, also the present invention is further described by reference to the accompanying drawings.
Embodiment 1: a kind of cabin door Inflatable sealing structure, as shown in Figure 1.This device comprises doorframe 9, cabin door 10, and doorframe and cabin door have larger thickness.The periphery of the lateral surface of cabin door 10 stretches out and forms extension edge 13, and the medial surface ring week of extension edge 13 has been sticked static sealing bar 14.The middle inside of doorframe 9 is provided with groove 12 around whole doorframe 9, be provided with inflatable seal bar 11 in groove, during the venting of inflatable seal bar, inflatable seal bar is contracted in groove, during inflation, inflatable seal bar expansion groove is against on the side ring week being squeezed in cabin door.
As shown in Figure 2,3, 4, inflatable seal bar 11 is for having the list structure of double-layer air bag, and be respectively outer air bag 1 and interior air bag 2, interior air bag is arranged on the inside of outer air bag, and the side of the outer wall of outer air bag 1 is fixation side, and another side is sealing surface.The fixation side of outer air bag is provided with a gas tube 4 walked abreast with weather strip, and interior air bag is connected with gas tube 4 respectively by respective valve 5 with outer air bag, and the openning that valve stretches into air bag is provided with filter screen 6.Outer air bag 1 inside has yellow powder spray paint 7, and interior inside air bag has red powder spray paint 8, and filter screen can avoid Powdered spray paint to pour in down a chimney in gas tube in the process of inflation/deflation.
Outer air bag 1 adopts partition-type structures 3 to cut off into segmental structure with interior air bag 2 every a segment distance, and as seen from Figure 2, partition-type structures 3 is the straight line vertical with inflatable seal bar side.As seen from Figure 3, partition-type structures cuts off outer air bag and interior air bag simultaneously, makes outer air bag and interior air bag one_to_one corresponding, there is the gap of v-angle between air bag adjacent after cutting off, and air bag expands to extrude and eliminates this V-type gap after inflation.
When cabin door is opened, or in cabin door opening and closing process, inflatable seal bar deflation is within groove.When cabin door fastens after closing, static sealing bar on extension edge forms once sealing between extension edge and doorframe end wall, then inflated by gas tube inner bladder and outer air bag, outer air bag swells and is resisted against on the surrounding place side face of cabin door, the pressure initiation thrust utilizing air bag to produce, improve sealing effectiveness, and the direction of pull that the power thrusts of air sac pressing cabin door and cabin door snap close produce is vertical, snap close fastens power and can not have an impact to the sealing performance of inflatable seal bar.Because interior air bag is consistent with the air pressure of outer air bag, interior air bag there is no large change; If outer air bag generation seepage, the air pressure of outer air bag is less than the air pressure of interior air bag, interior air bag swells until fit to outer air bag to compensate sealing, interior air bag relies on squeezing action can also block the breakthrough of outer air bag, even if breakthrough badly broken cannot be blocked completely, interior air bag also can provide extruding force to form sealing.When outer air bag seepage, yellow powder spray paint is taken out of and is sprayed onto breakthrough formation Warning Mark by breakthrough air flow energy, is convenient to search breakthrough, when Warning Mark is red, then represents that the interior air bag of this section and outer air bag all seepage occur, needs to change weather strip.
Embodiment 2, a kind of inflatable seal bar, as shown in Figure 5.In the present embodiment, the partition-type structures 3 of inflatable seal bar 11 is the oblique line of the oblique setting of relative inflatable seal bar side.Other structures are identical with embodiment 1, and when real work, the oblique mutual extruding of outer air bag of partition-type structures both sides, can improve sealing effectiveness that is vertical and weather strip side directions.
Embodiment 3, a kind of inflatable seal bar, as shown in Figure 6.In the present embodiment, the partition-type structures 3 of inflatable seal bar 11 exists, and has carried out twice 90 degree of bendings between inflatable seal bar dual-side, forms meander line structure.Other structures are identical with embodiment 1, and when real work, partition-type structures is different in the outer air sac pressing direction of diverse location, can improve sealing effectiveness that is vertical and inflatable seal bar side directions.
Claims (6)
1. a cabin door Inflatable sealing structure, comprise doorframe, the cabin door in doorframe is embedded under closed condition, the ring week of cabin door lateral surface is provided with extension edge, extension edge medial surface has been sticked static sealing bar, it is characterized in that: the middle part of described doorframe medial surface is provided with a circle groove around whole doorframe, inflatable seal bar is provided with in groove, inflatable seal bar has double-layer air bag, be respectively outer air bag, interior air bag, the lateral wall of outer air bag is simultaneously as sealing surface, interior air bag is arranged on outer inside air bag, outer air bag is connected with same gas tube respectively by valve with interior air bag, during work, outer air bag and interior air bag keep same air pressure, during venting, sealing surface is in inside grooves, the side of cabin door is resisted against outside sealing surface expansion to groove during inflation, there is in described outer air bag the Powdered spray paint of band instruction look, the valve mouth of described outer air bag is provided with the filter screen preventing spray paint from springing back over gas tube.
2. a kind of cabin door Inflatable sealing structure according to claim 1, is characterized in that: have the Powdered spray paint that band is different from outer air bag instruction look in described interior air bag, the valve mouth of described interior air bag is provided with the filter screen preventing spray paint from springing back over gas tube.
3. a kind of cabin door Inflatable sealing structure according to claim 1, it is characterized in that: described double-layer air bag is segmentation structure, partition-type structures cuts off interior air bag and outer air bag simultaneously.
4. a kind of cabin door Inflatable sealing structure according to claim 3, is characterized in that: described partition-type structures is perpendicular to the linear pattern of weather strip side, the bias type of the oblique setting of opposing seal bar side or the middle part broken line type through twice 90 degree of bendings.
5. a kind of cabin door Inflatable sealing structure according to claim 3, is characterized in that: every section of outer air bag be cut off has with interior air bag the valve be connected with gas tube respectively.
6. a kind of cabin door Inflatable sealing structure according to claim 1 and 2, is characterized in that: described interior air bag and outer air bag adopt elastic rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544013.5A CN104405265B (en) | 2014-10-15 | 2014-10-15 | A kind of cabin door Inflatable sealing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544013.5A CN104405265B (en) | 2014-10-15 | 2014-10-15 | A kind of cabin door Inflatable sealing structure |
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| CN104405265A CN104405265A (en) | 2015-03-11 |
| CN104405265B true CN104405265B (en) | 2016-02-03 |
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| CN201410544013.5A Active CN104405265B (en) | 2014-10-15 | 2014-10-15 | A kind of cabin door Inflatable sealing structure |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618914A (en) * | 2016-12-14 | 2017-05-10 | 中国人民解放军第二军医大学 | Outward-opening type pressurizing cabin airtight door |
| CN109750958A (en) * | 2017-11-03 | 2019-05-14 | 王志锋 | A kind of atmosphere roller furnace inlet and outlet sealing door device |
| CN108458118A (en) * | 2018-04-04 | 2018-08-28 | 国机重工集团常林有限公司 | For the sealing structure between movable part |
| CN110206465A (en) * | 2019-04-14 | 2019-09-06 | 中国城市建设研究院有限公司 | Exclusion seal door |
| CN110789319B (en) * | 2019-11-26 | 2021-12-10 | 国唐汽车有限公司 | Waterproof sealing structure of luggage compartment door of passenger car |
| CN112483653B (en) * | 2020-10-29 | 2022-09-16 | 一重集团(黑龙江)专项装备科技有限公司 | Inflatable rubber sealing device |
| CN112901381B (en) * | 2021-02-01 | 2022-04-15 | 河南平和滤清器有限公司 | Air filter for automobile |
| CN113339470A (en) * | 2021-05-31 | 2021-09-03 | 万春容 | Chain tensioner and use method thereof |
| CN114320126A (en) * | 2021-12-24 | 2022-04-12 | 无锡市东舟船舶设备股份有限公司 | Waterproof sealing door for large ship |
| CN115000869B (en) * | 2022-05-20 | 2023-01-13 | 山东汇能电气有限公司 | Aerify cabinet air chamber seal structure and aerify cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371175A (en) * | 1981-08-18 | 1983-02-01 | Keene Corporation | Inflatable gasket for radio frequency shielding enclosure |
| CN201159033Y (en) * | 2008-01-29 | 2008-12-03 | 中天高科特种车辆有限公司 | Airtight door |
| WO2010065377A2 (en) * | 2008-12-01 | 2010-06-10 | Rite-Hite Holding Corporation | Bi-flow inflatable door seals |
| CN102416853A (en) * | 2011-08-23 | 2012-04-18 | 中国北方车辆研究所 | Vehicle door edge inflation sealing structure |
-
2014
- 2014-10-15 CN CN201410544013.5A patent/CN104405265B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371175A (en) * | 1981-08-18 | 1983-02-01 | Keene Corporation | Inflatable gasket for radio frequency shielding enclosure |
| CN201159033Y (en) * | 2008-01-29 | 2008-12-03 | 中天高科特种车辆有限公司 | Airtight door |
| WO2010065377A2 (en) * | 2008-12-01 | 2010-06-10 | Rite-Hite Holding Corporation | Bi-flow inflatable door seals |
| CN102416853A (en) * | 2011-08-23 | 2012-04-18 | 中国北方车辆研究所 | Vehicle door edge inflation sealing structure |
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| CN104405265A (en) | 2015-03-11 |
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Application publication date: 20150311 Assignee: ZHOUSHAN DINGHAI XINGKE SHIP DESIGN CO.,LTD. Assignor: ZHEJIANG MARINE DEVELOPMENT Research Institute Contract record no.: X2023980042436 Denomination of invention: An inflatable sealing structure for cabin doors Granted publication date: 20160203 License type: Common License Record date: 20230925 |
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