CN103615164A - Quickly opened and closed steel airtight door - Google Patents
Quickly opened and closed steel airtight door Download PDFInfo
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- CN103615164A CN103615164A CN201310684588.2A CN201310684588A CN103615164A CN 103615164 A CN103615164 A CN 103615164A CN 201310684588 A CN201310684588 A CN 201310684588A CN 103615164 A CN103615164 A CN 103615164A
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- door leaf
- connecting rod
- slide bar
- hinged
- door
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Abstract
The invention relates to a quickly opened and closed steel airtight door which comprises a door frame and a door leaf, wherein a driven shaft and a driving shaft are arranged at the center of the door leaf; a bull wheel and a pinion are respectively arranged on the driven shaft and the driving shaft and are meshed together. Pin shafts are uniformly arranged on two vertical edges of the inner side surface of the door leaf; a first connection rod is connected between each pin shaft on the same vertical edge of the door leaf and the vertical central line of the door leaf; a sliding rod is arranged between each first connection rod and the pin shaft on the vertical edge adjacent to the first connection rod; the middle parts of the sliding rods are hinged on the corresponding pin shafts; the inner ends of the sliding rods are hinged on the neighboring first connection rods; lock catches are arranged on the inner side surface, which corresponds to the pin shafts, of the door frame; the outer ends of the sliding rods are positioned in the lock catches; second connection rods are hinged between the edges opposite to the bull wheel and the corresponding first connection rods. The airtight door disclosed by the invention is simple in structure, easy to maintain and low in maintenance cost and can be used as a get-in and get-out passageway for a storage chamber with a relatively high requirement on airtightness.
Description
Technical field
The present invention relates to a kind of air tight door.Specifically, be to have to open fast or the steel air tight door of quick closedown function.Be applicable to the access way that the fields such as boats and ships, building, medical science have the apotheca of higher airtight requirement.
Background technology
At present, the apotheca air tight door used that the fields such as boats and ships, building, medical science have higher airtight requirement is mostly air heave type hermatic door, this air heave type hermatic door is, between door leaf and doorframe surrounding, hollow seal bar is set, close behind the door by inflating in hollow seal bar, make weather strip expand to realize the sealing between door leaf and doorframe.Because this hermatic door need to be inflated in hollow seal bar, must be equipped with source of the gas and charger, make complicated structure.Again because this hermatic door need be by the weather strip realization sealing after inflation, often inflation, venting, the application life that can reduce weather strip.Because the application life of weather strip is short, need often to change weather strip, not only cumbersome, and also maintenance cost is higher.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of steel air tight door that can be rapidly opened and closed.This air tight door, simple in structure, easily maintenance, maintenance cost is low.
For addressing the above problem, take following technical solution:
Of the present inventionly can comprise doorframe and door leaf by rapidly opened and closed steel air tight door, hinged between a corresponding vertical edge of doorframe and door leaf.There is driven shaft at the center of door leaf, on the door leaf on driven shaft, has driving shaft.Described driven shaft protrudes outside door leaf medial surface and is fixed with gear wheel, protrude respectively outside the interior lateral surface of door leaf at the two ends of described driving shaft, on the overhanging end of driving shaft and inner extending end, be fixed with respectively handle and pinion, described pinion and described gear wheel mesh together.The vertical both sides of door leaf medial surface are evenly equipped with bearing pin, and one end of bearing pin and door leaf 2 are fixed together.The line of the same vertical edge upper pin of door leaf and the vertical centreline space of door leaf all have first connecting rod, between the bearing pin on described first connecting rod and adjacent vertical edge, all have slide bar, in the middle of described slide bar, are hinged on corresponding bearing pin, and slide bar inner end is hinged on contiguous first connecting rod.On the doorframe medial surface corresponding with described bearing pin, have snap close, in the outer end of closing described slide bar under a state in snap close.Between the opposite side of described gear wheel and corresponding first connecting rod, all there is second connecting rod, these two second connecting rods are approximate diagonal line with respect to door leaf and arrange, one end of described two second connecting rods is hinged on the opposite side of the same radial line of described gear wheel, and what the other end was hinged on respectively a first connecting rod approaches the approaching on lower end of upper end and another first connecting rod.
Further improvement of the present invention scheme is, the medial surface bottom and upper segment of described door leaf all has at least two bearing pins, and one end and the door leaf of bearing pin are fixed together.On described bearing pin, all there is slide bar, in the middle of described slide bar, be hinged on described bearing pin.
Wherein, the described bearing pin line inner side of door leaf bottom and upper segment all has third connecting rod, two third connecting rod two ends to be hinged on respectively on two bearing pins of door leaf bottom and upper segment.
On that slide bar in vertical edge the top of door leaf and, all there is short connecting rod, one end of described short connecting rod is all fixed on corresponding slide bar, the axis of this two short connecting rod parallels, between their other end, be hinged with the 4th connecting rod, and intersegmentally in that slide bar at they and place have an angle that is less than 45 degree;
On the doorframe medial surface corresponding with the bearing pin of door leaf bottom and upper segment, all have snap close, in the outer end of closing described slide bar under a state in described snap close.
All there is the inflection point bending towards in the same way the centre of described slide bar.
Described snap close contains wedge, the horizontal boss of oriented its inclined-plane one lateral buckling of thick end of described wedge, and this horizontal boss is fixed on the edge of doorframe.
Further improvement of the present invention scheme is, on the end face of described gear wheel, has arcuate socket, described arcuate socket in the hinged line of two described third connecting rods on one side.With limited location pin on the corresponding door leaf medial surface of described arcuate socket, offset closing one end of described spacer pin and described arcuate socket under a state.
Take such scheme, have the following advantages:
As can be seen from the above scheme, because there is driven shaft at the center of door leaf, on the door leaf on driven shaft, there is driving shaft.Described driven shaft protrudes outside door leaf medial surface and is fixed with gear wheel, protrude respectively outside the interior lateral surface of door leaf at the two ends of described driving shaft, on the overhanging end of driving shaft and inner extending end, be fixed with respectively handle and pinion, described pinion and described gear wheel mesh together.The vertical both sides of door leaf medial surface are evenly equipped with bearing pin, and one end and the door leaf of bearing pin are fixed together.The line of the same vertical edge upper pin of door leaf and the vertical centreline space of door leaf all have first connecting rod, between the bearing pin on described first connecting rod and adjacent vertical edge, all have slide bar, in the middle of described slide bar, are hinged on corresponding bearing pin, and slide bar inner end is hinged on contiguous first connecting rod.On the doorframe medial surface corresponding with described bearing pin, have snap close, in the outer end of closing described slide bar under a state in snap close.Between the opposite side of described gear wheel and corresponding first connecting rod, all there is second connecting rod, these two second connecting rods are approximate diagonal line with respect to door leaf and arrange, one end of described two second connecting rods is hinged on the opposite side of the same radial line of described gear wheel, and what the other end was hinged on respectively a first connecting rod approaches the approaching on lower end of upper end and another first connecting rod.As long as rotary handle, just can drive pinion, gear wheel, second connecting rod, first connecting rod to move together with slide bar, make slide bar one end slip in corresponding snap close or skid off in corresponding snap close, thereby realized the quick closedown of air tight door or opened.Compare with the air heave type hermatic door in background technology, not only simple in structure, easily maintenance, and can greatly reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is steel air tight door structural representation that can be rapidly opened and closed of the present invention;
Fig. 2 be Fig. 1 B-B cross-sectional schematic;
Fig. 3 is the C-B cross-sectional schematic of Fig. 1;
Fig. 4 is the D-D cross-sectional schematic of Fig. 1.
The specific embodiment
As shown in Figure 1, of the present inventionly can comprise doorframe 1 and door leaf 2 by rapidly opened and closed steel air tight door, hinged by hinge 12 between a corresponding vertical edge of doorframe 1 and door leaf 2.The center of door leaf 2 is provided with driven shaft 4, on the door leaf 2 on driven shaft 4, is provided with driving shaft 6.Described driven shaft 4 protrudes outside door leaf 2 medial surfaces and is fixed with gear wheel 16, and protrude respectively outside the interior lateral surface of door leaf 2 at the two ends of described driving shaft 6, is fixed with respectively handle 15 and pinion 7 on the overhanging end of driving shaft 6 and inner extending end.Described pinion 7 meshes together with described gear wheel 16.The vertical both sides of door leaf 2 medial surfaces are evenly equipped with four bearing pins 18, and one end of bearing pin 18 and door leaf 2 are fixed together.The line of the same vertical edge upper pin 18 of door leaf 2 and the vertical centreline space of door leaf 2 are provided with first connecting rod 14.See Fig. 2,18 of bearing pins on described first connecting rod 14 and adjacent vertical edge are provided with slide bar 11, and the centre of described slide bar 11 is hinged on corresponding bearing pin 18, and slide bar 11 inner ends are hinged on contiguous first connecting rod 14.See Fig. 4, on doorframe 1 medial surface corresponding with described bearing pin 18, be provided with snap close 8, in the outer end of closing described slide bar 11 under a state in snap close 8.Described snap close 8 contains wedge, and the thick end of described wedge is processed with the horizontal boss of one lateral buckling to its inclined-plane, and this horizontal boss is fixed on doorframe 1.Under closing a state, the outer end of described slide bar 11 is slipped in the snap close 8 consisting of wedge and corresponding doorframe.
Opposite side and 14 of corresponding first connecting rods at described gear wheel 16 are provided with second connecting rod 13, these two second connecting rods are approximate diagonal line with respect to door leaf 2 and arrange, one end of described two second connecting rods 13 is hinged on by minor axis on the opposite side of described gear wheel 16 same radial line, and what the other end was hinged on respectively a first connecting rod 14 approaches the approaching on lower end of upper end and another first connecting rod 14.
For further improving airtight effect, at the medial surface bottom and upper segment of described door leaf 2, be provided with two bearing pins 18, one end of bearing pin 18 and door leaf 2 are fixed together.On described bearing pin 18, be provided with described slide bar 11, in the middle of described slide bar 11, be hinged on described bearing pin 18.
Wherein, the described bearing pin 18 lines inner sides of door leaf 2 bottom and upper segments are provided with on two described bearing pins 18 that third connecting rod 17, two third connecting rod 17 two ends are hinged on respectively door leaf 2 bottom and upper segments.
See Fig. 1, Fig. 2 and Fig. 3, that slide bar 11 of a vertical edge the top and the middle short connecting rod 9 that is provided with of that slide bar 11 of door leaf 2 tops vicinities at door leaf 2, one end of described short connecting rod 9 is all fixed on the medial surface of corresponding slide bar 11, the axis of this two short connecting rod parallels, between their other end, be hinged with the 4th connecting rod 10, and 11 li of that slide bars at they and place are intersegmental an angle that is less than 45 degree.
On doorframe 1 medial surface corresponding with the bearing pin 18 of door leaf 2 bottom and upper segments, all have snap close 8, in the outer end of closing described slide bar 11 under a state in described snap close 8.
Wherein, the centre of described slide bar 11 is all processed with the inflection point bending towards in the same way.Slide bar 11 outer end covers outside described inflection point have sliding sleeve 19.
For avoiding closing the door tension or cross and send phenomenon, on the end face of described gear wheel 16, be processed with arcuate socket 5, described arcuate socket 5 in the hinged line of two described third connecting rods 17 on one side.With on corresponding door leaf 2 medial surfaces of described arcuate socket 5, be fixed with spacer pin 3, offset with one end of described arcuate socket 5 closing described spacer pin 3 under a state.
When needing shutter door, as long as rotary handle 15, just can drive pinion 7, gear wheel 16, second connecting rod 13, first connecting rod 14 to move together with slide bar 11, make slide bar 11 one end slip in corresponding snap close 8 or skid off in corresponding snap close 8, thereby realized the quick closedown of air tight door or opened.
Claims (5)
1. steel air tight door that can be rapidly opened and closed, comprises doorframe (1) and door leaf (2), hinged between a corresponding vertical edge of doorframe (1) and door leaf (2); There is driven shaft (4) at the center that it is characterized in that door leaf (2), on the door leaf (2) on driven shaft (4), has driving shaft (6); Described driven shaft (4) protrudes outside door leaf (2) medial surface and is fixed with gear wheel (16), protrude respectively outside the interior lateral surface of door leaf (2) at the two ends of described driving shaft (6), on the overhanging end of driving shaft (6) and inner extending end, be fixed with respectively handle (15) and pinion (7), described pinion (7) meshes together with described gear wheel (16); The vertical both sides of door leaf (2) medial surface are evenly equipped with bearing pin (18), and one end of bearing pin (18) and door leaf (2) are fixed together; The vertical centreline space of the line of the same vertical edge upper pin of door leaf (2) (18) and door leaf (2) all has first connecting rod (14), between the bearing pin (18) on described first connecting rod (14) and adjacent vertical edge, all there is slide bar (11), in the middle of described slide bar (11), be hinged on corresponding bearing pin (18) upper, slide bar (11) inner end is hinged on contiguous first connecting rod (14); On doorframe (1) medial surface corresponding with described bearing pin (18), have snap close (8), in the outer end of closing described slide bar (11) under a state in snap close (8); Between the opposite side of described gear wheel (16) and corresponding first connecting rod (14), all there is second connecting rod (13), these two second connecting rods are approximate diagonal line with respect to door leaf (2) and arrange, one end of described two second connecting rods (13) is hinged on the opposite side of the same radial line of described gear wheel (16), and what the other end was hinged on respectively a first connecting rod (14) approaches the approaching on lower end of upper end and another first connecting rod (14).
2. steel air tight door that can be rapidly opened and closed according to claim 1, is characterized in that the medial surface bottom and upper segment of described door leaf (2) all has at least two bearing pins (18), and one end of bearing pin (18) and door leaf (2) are fixed together; On described bearing pin (18), all there is slide bar (11), in the middle of described slide bar (11), be hinged on described bearing pin (18);
Wherein, described bearing pin (18) line of door leaf (2) bottom and upper segment inner side all has third connecting rod (17), two third connecting rods (17) two ends to be hinged on respectively on two bearing pins (18) of door leaf (2) bottom and upper segment;
In vertical edge the top of door leaf (2) with all have short connecting rod (9) on that slide bar (11) of below, one end of described short connecting rod (9) is all fixed on corresponding slide bar (11), the axis of this two short connecting rod parallels, between their other end, be hinged with the 4th connecting rod (10), and the inner intersegmental angle that is less than 45 degree that has of that slide bar (11) at they and place;
On doorframe (1) medial surface corresponding with the bearing pin (18) of door leaf (2) bottom and upper segment, all have snap close (8), in the outer end of closing described slide bar (11) under a state in described snap close (8).
3. steel air tight door that can be rapidly opened and closed according to claim 1, is characterized in that all there is the inflection point bending towards in the same way the centre of described slide bar (11).
4. steel air tight door that can be rapidly opened and closed according to claim 1, is characterized in that described snap close (8) contains wedge, the horizontal boss of oriented its inclined-plane one lateral buckling of thick end of described wedge, and this horizontal boss is fixed on the edge of doorframe (1).
According to described in any one in claim 1 ~ 4 can be rapidly opened and closed steel air tight door, it is characterized in that there is arcuate socket (5) on the end face of described gear wheel (16), described arcuate socket (5) in the hinged line of two described third connecting rods (17) on one side; With limited location pin (3) on corresponding door leaf (2) medial surface of described arcuate socket (5), offset with one end of described arcuate socket (5) closing described spacer pin (3) under a state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684588.2A CN103615164A (en) | 2013-12-16 | 2013-12-16 | Quickly opened and closed steel airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684588.2A CN103615164A (en) | 2013-12-16 | 2013-12-16 | Quickly opened and closed steel airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103615164A true CN103615164A (en) | 2014-03-05 |
Family
ID=50165878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684588.2A Pending CN103615164A (en) | 2013-12-16 | 2013-12-16 | Quickly opened and closed steel airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266103A (en) * | 2018-02-28 | 2018-07-10 | 无锡德林防务装备股份有限公司 | A kind of gas-tight door |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59224783A (en) * | 1983-06-02 | 1984-12-17 | 神原 貢 | Water-tight door clamping apparatus |
| US5088776A (en) * | 1989-06-30 | 1992-02-18 | James C Thomas | Locking mechanism for a safe door |
| TW435408U (en) * | 1998-11-27 | 2001-05-16 | China Marine Windows Shipyard | Improved structure for watertight door coupled lock of naval vessel |
| CN202055720U (en) * | 2011-04-19 | 2011-11-30 | 无锡市海联舰船内装有限公司 | Marine fireproof pressure-withstanding watertight airtight door |
| CN202249531U (en) * | 2011-10-27 | 2012-05-30 | 中煤科工集团重庆研究院 | Protective airtight door for underground refuge chamber |
| CN202900324U (en) * | 2012-07-21 | 2013-04-24 | 黑龙江省华升救援装备有限公司 | Multi-functional protection air-tight door used for coal min |
| CN203613907U (en) * | 2013-12-16 | 2014-05-28 | 无锡市海联舰船附件有限公司 | Steel gas-tight door capable of being quickly opened or closed |
-
2013
- 2013-12-16 CN CN201310684588.2A patent/CN103615164A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59224783A (en) * | 1983-06-02 | 1984-12-17 | 神原 貢 | Water-tight door clamping apparatus |
| US5088776A (en) * | 1989-06-30 | 1992-02-18 | James C Thomas | Locking mechanism for a safe door |
| TW435408U (en) * | 1998-11-27 | 2001-05-16 | China Marine Windows Shipyard | Improved structure for watertight door coupled lock of naval vessel |
| CN202055720U (en) * | 2011-04-19 | 2011-11-30 | 无锡市海联舰船内装有限公司 | Marine fireproof pressure-withstanding watertight airtight door |
| CN202249531U (en) * | 2011-10-27 | 2012-05-30 | 中煤科工集团重庆研究院 | Protective airtight door for underground refuge chamber |
| CN202900324U (en) * | 2012-07-21 | 2013-04-24 | 黑龙江省华升救援装备有限公司 | Multi-functional protection air-tight door used for coal min |
| CN203613907U (en) * | 2013-12-16 | 2014-05-28 | 无锡市海联舰船附件有限公司 | Steel gas-tight door capable of being quickly opened or closed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266103A (en) * | 2018-02-28 | 2018-07-10 | 无锡德林防务装备股份有限公司 | A kind of gas-tight door |
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| PB01 | Publication | ||
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Application publication date: 20140305 |