CN102146765A - Nuclear power push-pull airtight door - Google Patents
Nuclear power push-pull airtight door Download PDFInfo
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- CN102146765A CN102146765A CN 201110051063 CN201110051063A CN102146765A CN 102146765 A CN102146765 A CN 102146765A CN 201110051063 CN201110051063 CN 201110051063 CN 201110051063 A CN201110051063 A CN 201110051063A CN 102146765 A CN102146765 A CN 102146765A
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Abstract
The invention relates to a nuclear power push-pull airtight door belonging to the technical field of nuclear power special facilities. The airtight door comprises a door frame fixed on a building door opening, wherein a horizontal guide rail with a hanging pulley wheel is fixedly arranged on the door frame; a door sash is hung below the hanging pulley wheel through a short connecting rod; the outer side of a door plate of the door sash is provided with a side frame with a profile being larger than the inner profile of the door frame; the inner side of the door plate is provided with a door body which protrudes towards the door frame and has a profile being smaller than the inner profile of the door frame; sealing strips are fixed around the door body; a group of positioning screw rods with compression hand wheels extending towards the door sash is fixed at one side of the door frame; a group of nuts is fixed at the other side of the door frame; one side of the door sash is provided with a group of horizontal guide grooves corresponding to the positions of the screw rods respectively; and the other side of the door sash is provided with a group of locking hand wheels with screw rods, which correspond to the positions of the nuts respectively. By adopting the airtight door, the door sash can be opened and closed by freely pushing and pulling and can be moved towards the door frame within a certain range, so that compressing force can be applied by using a locking mechanism, the sealing strips are utilized effectively, and reliable sealing is realized.
Description
Technical field
The present invention relates to a kind of isolating door, especially a kind of nuclear power push-and-pull air tight door belongs to the extraordinary facility technology of nuclear power field.
Background technology
During the nuclear power station unit operation, the strict control of each regional force value, so the partition door between each zone not only needs to have enough intensity, and need have reliable tightness.For the hinged door of routine, have the pressing active force between door leaf and the doorframe during owing to closure, so sealing problem is easier to solve.But for the push-and-pull air tight door that push-and-pull opens and closes, realize that positiver sealing becomes a difficult problem.
The typical structure of existing suspension type sliding door such as application number are that 200820020446.0 Chinese patent is disclosed, comprise a upper ledge, doorjamb and door leaf, the door upper ledge is fixedlyed connected with doorjamb, handle is installed on the door leaf, be fixedly connected with between the left and right door frame and hang a beam, hang Men Liangshang and slidely connect and hang pulley, hang under the pulley and be hung with door leaf.Be fixedly connected with threshold between the left and right door frame, threshold is positioned at the doorjamb lower end, has the chute that opening makes progress in the middle of the threshold, and door leaf is slidingly connected in the chute.The door leaf lower edge is connected with guide strip, and the chute of guide strip and threshold is slidingly connected.Be connected with wire rope above the door leaf, the other end of wire rope is connected with attached bob thing, and wire rope links to each other with door leaf, attached bob thing by hauling block.Hang Men Liangshang and be hung with two fan door leafs.Though this door leaf edge is equipped with weather strip, open and close freely in order to guarantee push-and-pull, therefore can't apply thrust to weather strip, be difficult to obtain reliable sealing effect.
Application number is that the Chinese patent of CN99218761.3, CN00200505.0 has carried out useful improvement to conventional suspension type sliding door, but all fails to solve the positiver sealing problem.Therefore, can't satisfy the user demand of the construction of nuclear power station.
Summary of the invention
The objective of the invention is to: propose to guarantee that push-and-pull opens and closes freely under the prerequisite, can realize the nuclear power push-and-pull air tight door of positiver sealing, thereby satisfy the installation needs of nuclear power station specific occasion.
In order to reach above purpose, nuclear power push-and-pull air tight door of the present invention comprises the doorframe that is fixed on building door opening place, and the horizontal guide rail of hanging pulley fixedly is housed on the described doorframe, and described hanging under the pulley hung door leaf by short connecting rod; The door-plate of the described door leaf outside has gabarit greater than frame wide in the doorframe, the inboard have by protrude towards the doorframe direction and gabarit less than door body wide in the doorframe; Described door body border is fixed with weather strip; One side of described doorframe is fixed one group of band that extends towards the door leaf direction and is compressed the handwheel positioning screw, and opposite side is fixed one group of nut; Described door leaf one side has one group of horizontal guide groove corresponding respectively with described positioning screw position, and opposite side has one group of band screw rod locking handwheel corresponding respectively with described nut location.
Like this because door leaf hangs under guide rail by hanging pulley, therefore can with pulley in guide rail slippage and very freely push-and-pull opens and closes.Simultaneously, because the hinged effect of short connecting rod, therefore door leaf can also can apply thrust by retaining mechanism, thereby effectively utilize weather strip in certain limit towards the displacement of doorframe direction except that can moving freely along the guide rail direction, realizes positiver sealing.In addition, door leaf one side of the present invention is just located the back by compressing handwheel locking by positioning screw, and opposite side is reinforced locking by the locking handwheel, therefore can suppress the influence of short connecting rod opposite house body position, guarantee that it embeds in the doorframe, makes the weather strip of border be brought into play sealing function.
The present invention further improves, and is fixed with the horizontal guide rail installing rack on the described doorframe, has the long slot bore that extends towards the doorframe direction on the described installing rack, and described horizontal guide rail top is connected by the securing member that passes long slot bore.
Like this, not only can be according to the thickness of door body, the installation site of appropriate adjusting horizontal guide rail, dwindle the clamping stroke of door leaf as far as possible, and can work as the door body thickness thicker, when clamping stroke is excessive, be convenient to constitute the mode of moving sets by long slot bore, the short connecting rod that additional clamping stroke causes more greatly tilts excessive and the door body rises, guarantee the gap basically identical of door body periphery and doorframe, thereby guarantee that weather strip is all brought into play due sealing function everywhere, realize sealing reliably.
Description of drawings
Below in conjunction with accompanying drawing this product is described further.
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1 embodiment after installing.
Fig. 3 is the B-B cutaway view Amplified image of Fig. 1 embodiment after installing.
The specific embodiment
The nuclear power push-and-pull air tight door of present embodiment as shown in Figure 1 to Figure 3, angle steel doorframe 1 is by being fixed on building door opening place with the built-in fitting welding and by expansion bolt, and use silica gel and door opening to seal, be fixed with the horizontal guide rail installing rack 2 that horizontal direction is extended on the doorframe 1, this installing rack 2 is by vertical fastening bolt 3 lifting horizontal guide rails 4.In order to compensate thick door leaf clamping stroke, fastening bolt 3 passes the long slot bore that installing rack 2 extends towards the doorframe direction, thereby not only can regulate the initial position of horizontal guide rail 4 when mounted as required, and can form the moving sets with certain compensate function.
Be equipped with in the horizontal guide rail 4 and hang pulley 5, it is hinged with the hanger 7-1 of door leaf 7 upper ends by short connecting rod 6 to hang pulley 5 times, hangs annexation thereby form.The door-plate of door leaf 7 outside has gabarit greater than flange frame 7-2 wide in the doorframe, the inboard have by protrude towards the doorframe direction and gabarit less than door body 7-3 wide in the doorframe.Door body 7-3 border is fixed with the weather strip 8 that is inlaid in the flange frame 7-2.Reducing valve 12 is equipped with at door leaf 7 middle parts.
The left side of the doorframe 1 fixedly bands that extend towards the door leaf direction of three of upper, middle and lower compresses the positioning screw 9 of handwheel 9-1, and the right side is three built-in nuts 10 in upper, middle and lower fixedly.The left extension board 7-4 that door leaf 7 left sides are connected with it has the horizontal guide groove 7-6 corresponding respectively with each positioning screw 9 positions, and the right extension board 7-5 that the right side is connected with it has the band screw rod locking handwheel 11 corresponding respectively with built-in nut 10 positions.
After the installation, door leaf can with pulley in guide rail slippage and very like a cork push-and-pull open and close.And because the hinged effect of short connecting rod, door leaf is except that can moving freely along the guide rail direction, can also be in certain limit towards the displacement of doorframe direction, therefore can a side just locate the back by compressing handwheel locking by positioning screw, opposite side is reinforced locking by the locking handwheel, produce and compress sealing effectiveness reliably, the tightness after guaranteeing to intercept.Even the door body is thicker, the moving sets that long slot bore constitutes can replenish the body rising that clamping stroke causes more greatly, guarantees the gap basically identical of door body periphery and doorframe, thereby guarantee that weather strip is all brought into play due sealing function everywhere that realization is sealing reliably.
Facts have proved that present embodiment has the nimble property of desirable tightness, sealing and operation after installing.Very be suitable in the construction of nuclear power station, can meet instructions for use fully.
In addition, present embodiment also has following design feature:
1, crashproof positioner is installed at two ends, the horizontal guide rail left and right sides.
2, the inner skeleton braced structures that adopts of door leaf can alleviate the door leaf quality.
3, weather strip is the square-section, compresses sealing by the handwheel rotation with doorframe.
4, the left side of and arranged on left and right sides handwheel location is tightened, is rightly reinforced locking and organically combine.
5, doorframe uses silica gel and door opening sealing
6, reducing valve is installed on the door leaf, can pressure release balance inside and outside differential pressure.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. a nuclear power push-and-pull air tight door comprises the doorframe that is fixed on building door opening place, it is characterized in that: the horizontal guide rail of hanging pulley fixedly is housed on the described doorframe, and described hanging under the pulley hung door leaf by short connecting rod; The door-plate of the described door leaf outside has gabarit greater than frame wide in the doorframe, the inboard have by protrude towards the doorframe direction and gabarit less than door body wide in the doorframe; Described door body border is fixed with weather strip; One side of described doorframe is fixed one group of band that extends towards the door leaf direction and is compressed the handwheel positioning screw, and opposite side is fixed one group of nut; Described door leaf one side has one group of horizontal guide groove corresponding respectively with described positioning screw position, and opposite side has one group of band screw rod locking handwheel corresponding respectively with described nut location.
2. nuclear power push-and-pull air tight door according to claim 1, it is characterized in that: be fixed with the horizontal guide rail installing rack on the described doorframe, have the long slot bore that extends towards the doorframe direction on the described installing rack, described horizontal guide rail top is connected by the securing member that passes long slot bore.
3. nuclear power push-and-pull air tight door according to claim 2 is characterized in that: described door leaf frame is the flange frame, and described weather strip is inlaid in the flange frame.
4. nuclear power push-and-pull air tight door according to claim 3 is characterized in that: described doorframe is the angle steel doorframe, by being fixed on building door opening place with the built-in fitting welding and by expansion bolt.
5. nuclear power push-and-pull air tight door according to claim 4 is characterized in that: describedly hang under the pulley by the hanger of short connecting rod and door leaf upper end hingedly, form and hang annexation.
6. nuclear power push-and-pull air tight door according to claim 5 is characterized in that: reducing valve is equipped with at described door leaf middle part.
7. nuclear power push-and-pull air tight door according to claim 6 is characterized in that: crashproof positioner is installed at described horizontal guide rail two ends, the inner skeleton braced structures that adopts of described door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100510636A CN102146765B (en) | 2011-03-02 | 2011-03-02 | Nuclear power push-pull airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100510636A CN102146765B (en) | 2011-03-02 | 2011-03-02 | Nuclear power push-pull airtight door |
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| Publication Number | Publication Date |
|---|---|
| CN102146765A true CN102146765A (en) | 2011-08-10 |
| CN102146765B CN102146765B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100510636A Active CN102146765B (en) | 2011-03-02 | 2011-03-02 | Nuclear power push-pull airtight door |
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| CN (1) | CN102146765B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485689A (en) * | 2013-08-30 | 2014-01-01 | 宜兴市万向防火门有限公司 | Nuclear power floor cabin door |
| CN105649479A (en) * | 2015-12-31 | 2016-06-08 | 苏州锟鹏肖氏建材有限公司 | Mounting method for building door and window |
| CN106522752A (en) * | 2016-12-14 | 2017-03-22 | 上海新晃空调设备股份有限公司 | Air conditioning unit high-tightness cold-bridge-free all-water-blown inspection door |
| CN107756133A (en) * | 2017-11-24 | 2018-03-06 | 杭州职业技术学院 | Safety door and Digit Control Machine Tool |
| CN110714711A (en) * | 2019-09-20 | 2020-01-21 | 台山平安五金制品有限公司 | Radiation-proof door for after-treatment of spent fuel |
| CN111605913A (en) * | 2020-05-20 | 2020-09-01 | 惠安信德机械有限公司 | Novel cosmetics processing feeding device special sealing cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459427Y (en) * | 2001-01-10 | 2001-11-14 | 四川南充宏扬粮机制造有限公司 | Air sealed door for grain depot |
| JP2003269050A (en) * | 2002-03-15 | 2003-09-25 | Howa:Kk | Normally closed smoke-insulating fire door apparatus |
| CN2732945Y (en) * | 2004-08-14 | 2005-10-12 | 林宗斌 | Sealing structure for airtight door and window |
| CN201943536U (en) * | 2011-03-02 | 2011-08-24 | 中国核工业华兴建设有限公司 | Nuclear power sliding air tight door |
-
2011
- 2011-03-02 CN CN2011100510636A patent/CN102146765B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459427Y (en) * | 2001-01-10 | 2001-11-14 | 四川南充宏扬粮机制造有限公司 | Air sealed door for grain depot |
| JP2003269050A (en) * | 2002-03-15 | 2003-09-25 | Howa:Kk | Normally closed smoke-insulating fire door apparatus |
| CN2732945Y (en) * | 2004-08-14 | 2005-10-12 | 林宗斌 | Sealing structure for airtight door and window |
| CN201943536U (en) * | 2011-03-02 | 2011-08-24 | 中国核工业华兴建设有限公司 | Nuclear power sliding air tight door |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485689A (en) * | 2013-08-30 | 2014-01-01 | 宜兴市万向防火门有限公司 | Nuclear power floor cabin door |
| CN105649479A (en) * | 2015-12-31 | 2016-06-08 | 苏州锟鹏肖氏建材有限公司 | Mounting method for building door and window |
| CN106522752A (en) * | 2016-12-14 | 2017-03-22 | 上海新晃空调设备股份有限公司 | Air conditioning unit high-tightness cold-bridge-free all-water-blown inspection door |
| CN107756133A (en) * | 2017-11-24 | 2018-03-06 | 杭州职业技术学院 | Safety door and Digit Control Machine Tool |
| CN110714711A (en) * | 2019-09-20 | 2020-01-21 | 台山平安五金制品有限公司 | Radiation-proof door for after-treatment of spent fuel |
| CN111605913A (en) * | 2020-05-20 | 2020-09-01 | 惠安信德机械有限公司 | Novel cosmetics processing feeding device special sealing cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102146765B (en) | 2012-05-30 |
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