Multi-stage shielding gate
A shielding door and shielding device technology, applied in shielding, instrument parts, instruments, etc., can solve the problems of excessive shielding, inability to adjust, insufficient shielding, etc., and achieve the effect of convenient use, simple structure and low cost
Active Publication Date: 2011-05-11
CHINA ELECTRIC POWER RES INST
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Problems solved by technology
However, this kind of shielding door has single shielding performance, relatively high price, and is not easy to popularize and use.
And, because this plug-in type screen door is connected with the door frame by plugging and fitting to realize shielding, the combination between the screen door body and the door frame is particularly tight, so that it takes a lot of effort to open the door, and the opening method is extremely difficult. Inconvenient, which also reduces its usefulness
In short, the biggest deficiency of shielding doors in the prior art is that they all have their own fixed shielding range, which cannot be adjusted according to actual needs to adapt to different shielding requirements. Therefore, when dealing with environments with various shielding requirements, it may There is an issue of under-shielding or over-shielding, resulting in wasted resources
Method used
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[0015] An embodiment of the multi-stage shielded door of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0016] 1A-1C show assembly views of a multi-stage shielded door 20 according to this embodiment of the present invention. Among them, FIG. 1A is an assembly appearance diagram of a multi-stage shielded door. As shown in FIG. 1A , the multi-stage shielded door 20 of this embodiment includes a door body 1 , a door frame 2 , a door lock 3 , a connecting hinge 4 and a shielding device (not shown in the figure) and the like. FIG. 1B is a cross-sectional view of the door body in the sectional view taken along I-I of the assembly drawing of FIG. 1A , and FIG. 1C is a further detailed view of FIG. 1B . As shown in Fig. 1B-1C, the thickness of the door body 1 is H (in this embodiment, H=55mm); (such as reinforced keel) and other components. According to the size of the door body and the strength to be achieved, different st...
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The invention provides a multilevel platform screen door including a door body, a doorframe, and a screen assembly arranged between the door body and the doorframe. The screen assembly is used for tightly combining the door body and the doorframe to realize corresponding screen function, wherein the screen assembly includes one or more screen units, and realizes different degrees of screen function through random combination of each screen units. The multilevel platform screen door adopts a multilevel screen principle, and realizes a first level screen, attenuation, rescreen according to the different degrees of the combination of the door body and the doorframe, thereby flexibly adjusting the needed screen level based on a real need, and has advantages of simple structure, convenient usage and low cost.
Description
technical field [0001] The present invention generally relates to the shielding technology of buildings, and more specifically relates to how to realize the shielding of building entrances that require shielding through shielded doors, that is, the technology that can realize multi-level shielding according to the shielding level of buildings. Background technique [0002] The screen door is an important part of the shielded building, and it is a difficult point to realize the overall shielding of the building. The shielding level of the screen door should match the shielding of the main body of the building. One of the keys to solving the shielding of shielded buildings is to deal with the shielding of shielded doors. [0003] Among the shielding doors commonly used in the prior art to realize building shielding, domestic shielding doors are generally single-stage compacted. Such shielding doors have relatively poor shielding performance, and it is difficult to meet the ide...
Claims
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IPC IPC(8): G12B17/00
Inventor 叶旭明王天彪
Owner CHINA ELECTRIC POWER RES INST