CN202031448U - Steel frame of reinforced concrete protective airtight door leaf - Google Patents
Steel frame of reinforced concrete protective airtight door leaf Download PDFInfo
- Publication number
- CN202031448U CN202031448U CN2011200205075U CN201120020507U CN202031448U CN 202031448 U CN202031448 U CN 202031448U CN 2011200205075 U CN2011200205075 U CN 2011200205075U CN 201120020507 U CN201120020507 U CN 201120020507U CN 202031448 U CN202031448 U CN 202031448U
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- China
- Prior art keywords
- door leaf
- steel frame
- steel
- reinforced concrete
- concrete protective
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- 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.)
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Abstract
The utility model is an improvement on a steel frame of a reinforced concrete protective airtight door leaf. The steel frame is characterized in that the U-shaped steel frame of the door leaf and a sealing knife edge extending from one side are an integrity formed by a steel plate. Therefore, the steel plate with proper width can be selected and bent to reduce the material waste according to the actual thickness of the door leaf; secondly, due to the cold roll forming, the sealing knife edge and the steel frame of the door leaf are integrated, and the sealing knife edge does not need to be welded, so that deformation in the welding process can be avoided, and reshaping is not needed; and thirdly, an edge formed by the cold roll forming has a small arc, is smooth and natural and is good in hand feel, a hand is not easily hurt and the appearance is attractive.
Description
Technical field
Utility model is the improvement to steel bar concrete airtight blast door fan steel framework, relates in particular to a kind ofly to economize with material, makes simple steel bar concrete airtight blast door fan shell steel framework.
Background technology
The steel bar concrete airtight blast door is to be used for air defense basement, and the underground space is taken into account the converting from wartime to peacetime production and vice versa partition door that people's air defense needs, usually adopt reinforced concrete structure, for satisfying corresponding protective capacities, usually do thicklyer, quality is heavier, and for example gate-width is that single fan closed guard gate weight of 2.0 meters reaches 2.5 tons, therefore the door leaf steel framework is required that enough intensity and stiffness need be arranged; Secondly, requiring must have the sealing edge of a knife on the door leaf steel framework, to play good hermetic seal effect.Prior art adopts channel-section steel and the moulding of band steel assembly welding usually for this reason, the band steel vertical welding is connected to the channel-section steel side constitutes the sealing edge of a knife.Yet door leaf steel framework height is generally about 2.2 meters, so long solder side is inevitable generation thermal deformation in welding process, thereby in the welding manufacture process, easily cause channel-section steel and band steel to seal edge of a knife flexural deformation, after welding is finished, must carry out mechanical checkout to it, increase the correction work amount.And because of present no corresponding special-shaped material, thus can only select the bigger channel-section steel of specification, cause with material increase, recruitment increases.Above-mentioned deficiency still has is worth improved place.
Summary of the invention
The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, provides a kind of making simple, fans steel framework with the steel bar concrete airtight blast door that material is economized.
The utility model purpose realizes that main the improvement is to adopt cold roll forming of steel plate to have the overall structure of the door leaf steel framework and the sealing edge of a knife simultaneously, thereby overcomes the deficiencies in the prior art, realizes the purpose of utility model.Specifically, utility model steel bar concrete airtight blast door fan steel framework comprises the sealing edge of a knife that takes the shape of the letter U at the cross section Door leaf frame and a side stretch out, and it is characterized in that the sealing edge of a knife that a U-shaped door leaf steel framework and a side stretch out is the overall structure that is bent into by steel plate.
Utility model steel bar concrete airtight blast door fan steel framework, with respect to prior art, owing to adopt the overall structure of a bending forming of steel plate, and not only can be according to the door leaf actual (real) thickness, the steel plate of selecting to be fit to width bends, thereby has reduced the waste with material; Secondly, cold roll forming, the sealing edge of a knife becomes integral body with the door leaf steel framework, do not need the welded seal edge of a knife again, thereby has avoided the distortion that produces in the welding process, does not need to carry out shaping again; The 3rd, the corner angle of cold roll forming have little circular arc, smooth nature, and good hand touch is difficult for hindering hand, good looking appearance.
Optimize specific embodiment below in conjunction with one; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technician; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.
Description of drawings
Accompanying drawing is a utility model protection door leaf steel framework cross section structure schematic diagram.
The specific embodiment
Embodiment: referring to accompanying drawing, utility model steel bar concrete airtight blast door fan steel framework is an example with 2.0*2.0 rice door leaf, by the 4mm steel plate through cold roll forming, obtain the overall structure of the continuous sealing cutter 2 that stretches out of a U-shaped door leaf steel framework 1 and a side, bending edge is little circular arc.Groove width 220mm wherein, both sides hem width 65mm, the wide 14mm of the edge of a knife.
To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the equivalence of feature changes or modification; mutual various combination between feature; the for example change of door leaf steel framework size, steel plate thickness determine according to door leaf weight, or the like unsubstantiality change; can be employed equally; can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (2)
1. steel bar concrete airtight blast door fan steel framework comprises the sealing edge of a knife that takes the shape of the letter U at the cross section Door leaf frame and a side stretch out, and it is characterized in that the sealing edge of a knife that a U-shaped door leaf steel framework and a side stretch out is the overall structure that is bent into by steel plate.
2. according to the described steel bar concrete airtight blast door fan of claim 1 steel framework, it is characterized in that bending edge is circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200205075U CN202031448U (en) | 2011-01-23 | 2011-01-23 | Steel frame of reinforced concrete protective airtight door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200205075U CN202031448U (en) | 2011-01-23 | 2011-01-23 | Steel frame of reinforced concrete protective airtight door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031448U true CN202031448U (en) | 2011-11-09 |
Family
ID=44893750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200205075U Expired - Fee Related CN202031448U (en) | 2011-01-23 | 2011-01-23 | Steel frame of reinforced concrete protective airtight door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031448U (en) |
-
2011
- 2011-01-23 CN CN2011200205075U patent/CN202031448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214262 Jiangsu city of Wuxi province Yixing City Zhou Zhen Fenshui Road No. 214 people Co-patentee after: Jiangsu Zhonghao Defense Engineering Technology Co., Ltd. Patentee after: Yixing Civil Defense Facilities Factory Co., Ltd. Address before: 214262 Jiangsu city of Wuxi province Yixing City Zhou Zhen Fenshui Road No. 214 people Co-patentee before: Jiangsu Zhonghao Protection Engineering Technology Co., Ltd. Patentee before: Yixing Civil Defense Facilities Factory Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20180123 |