A removable shielding door on the top of a shielded modular shelter

By optimizing the connection and sealing design of the shielding door, the problems of weak connection and poor sealing of the shielding door have been solved, achieving quick disassembly and stable shielding performance, and improving structural strength and user comfort.

CN224432382UActive Publication Date: 2026-06-30ZHENGZHOU HONGYU SPECIAL VEHICLE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENGZHOU HONGYU SPECIAL VEHICLE CO LTD
Filing Date
2025-06-16
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing shielded container's top maintenance door has an unstable connection, insufficient structural strength, poor sealing performance, and is inconvenient to disassemble, affecting shielding effectiveness and service life.

Method used

The connection between the door frame and the cabin roof is enhanced by right-angle joints. Sealing is achieved using sealing strips and staggered protrusions. The hinge and latch design facilitates disassembly. The inner side of the door panel is covered with a shielding mesh and subjected to conductive oxidation treatment.

Benefits of technology

It improves the structural strength and sealing performance of the shielding door, enables quick disassembly, ensures stable shielding performance, reduces production costs, and enhances user comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

A detachable shielding door for the top of a shielded modular shelter, relating to the field of shielded modular shelter technology, includes a door frame, door panel, hinges, latches, and a shielding mesh. The connecting edges on the outer perimeter of the door frame form right-angle connections with the outer edges, used for a sealed connection to the top of the shielded modular shelter. The top of the door frame is higher than the connecting edges, facilitating rain protection. The door panel is fastened to the door frame, and a sealing structure on all four sides achieves a seal, enhancing the sealing effect. The hinge, located on one side of the door panel, consists of two components and can be separated for disassembly of the door panel from the door frame. The latch, located on the other side of the door panel, locks the door panel when closed and applies pressure to ensure a seal. The shielding mesh is laid on the inner side of the door panel. The door frame and door panel undergo conductive oxidation treatment to ensure shielding effectiveness. This invention has good rainproof performance and stable shielding effectiveness, and is easy to disassemble and install.
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Description

Technical Field

[0001] This utility model relates to the field of shielded modular housing technology, and in particular to a detachable shielding door on the top of a shielded modular housing. Background Technology

[0002] Electromagnetic shielding technology is crucial in the production and application of vehicles and modular shelters, especially in the production of shielded modular shelters. Shielded modular shelters are widely used in military, communications, and scientific research fields with extremely high electromagnetic shielding requirements. Their main functions are to prevent electromagnetic interference, ensure normal equipment operation, and prevent information leakage, thus ensuring information security. During the manufacturing process of shielded modular shelters, considering the ease of maintenance and use of the internal communication integrated equipment, a maintenance door is usually required at the top. However, existing maintenance doors at the top of shielded modular shelters have many problems in design and application.

[0003] On the one hand, the existing shielded door frames are not securely connected to the cabin roof, resulting in insufficient structural strength. Prolonged use or exposure to special environments can lead to collapse, affecting shielding effectiveness and lifespan. This connection method is also unable to withstand external impacts and vibrations from internal equipment, reducing the reliability of the shielded door. On the other hand, poor sealing performance is also a common problem. Many shielded doors have inadequate sealing designs, failing to effectively block the intrusion of external electromagnetic waves and rainwater. Especially under harsh outdoor weather conditions, the lack of rain protection can lead to serious consequences such as damage to internal equipment and short circuits, posing significant safety hazards to equipment operation.

[0004] Furthermore, the inconvenience of disassembling existing shielded doors poses a significant challenge to routine maintenance and emergency response. When equipment inside the shielded enclosure needs repair or replacement, the cumbersome disassembly process consumes a considerable amount of time and manpower, impacting work efficiency. Utility Model Content

[0005] To overcome the shortcomings of the prior art, this utility model discloses a detachable shielding door on the top of a shielded container. It aims to solve the problems of difficult installation and maintenance, and time-consuming and labor-intensive disassembly of existing shielding doors, achieving rapid installation and disassembly and improving maintenance efficiency. By optimizing the connection design between the door frame and the container roof, enhancing sealing performance, improving the disassembly structure, and ensuring the stability of shielding effectiveness, this utility model not only improves the structural strength and sealing performance of the shielding door, but also achieves rapid disassembly and stable shielding effectiveness, providing a more reliable and efficient solution for the production and application of shielded containers.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solution:

[0007] A removable shielding door on the top of a shielded modular shelter includes:

[0008] The door frame has connecting edges on all four sides. The connecting edges and the outer edges of the door frame together form a right-angle connecting part. The door frame is sealed to the top of the shielded container through this right-angle connecting part. The top of the door frame is higher than the connecting edges.

[0009] The door panel is attached to the door frame, and the door panel and the door frame are sealed together by a sealing structure.

[0010] A hinge, located on one side of the door panel, comprises two components. One component is fastened to the connecting edge of the door frame, and the other component is fastened to the door panel. When the door panel is opened, the two components of the hinge can be separated, allowing the door panel to be separated from the door frame.

[0011] The latch is located on the other side of the door panel and locks the door panel and door frame together when the door panel is closed.

[0012] The shielding mesh is laid on the inside of the door panel.

[0013] Preferably, the sealing structure includes grooves provided in the door frame and the door panel, with a sealing strip embedded in the groove, and the sealing strip on the door frame and the sealing strip on the door panel are arranged in a staggered manner; the door frame is provided with a protrusion structure that can abut against the corresponding sealing strip at the position of the sealing strip on the door panel and the door panel is provided with a position of the sealing strip on the door frame.

[0014] Preferably, the shielded cabin has a Z-shaped inner edging installed at the bottom position of the door frame.

[0015] Preferably, the inner side of the door panel is provided with a hollow protrusion extending into the door frame.

[0016] Preferably, the inner side of the door panel is provided with a recessed groove, the shielding mesh is laid in the recessed groove, and a cover plate is installed corresponding to the recessed groove.

[0017] Preferably, the outer side of the door panel is provided with a heat insulation plate.

[0018] Preferably, the door frame is a hollow structure.

[0019] By adopting the technical solution described above, this utility model has the following beneficial effects:

[0020] (1) The outer sides of the door frame of this utility model are designed with right-angle connecting parts formed by connecting edges, which can enhance the structural strength of the connection with the shielded container, prevent collapse, and facilitate sealing connection. The door frame is fixed by bolts after applying glue or by welding the whole body. At the same time, the top of the door frame is higher than the connecting edge, which can play a role in rain protection. The door panel and the door frame are connected by a sealing strip embedded in the groove and staggered arrangement, and the corresponding position is designed with a protruding structure to abut against each other, so as to achieve a good sealing effect and further improve the rainproof performance. The door panel and the door frame are connected by a hinge composed of two components. The door panel can be separated and removed after opening, and the latch can lock the door panel and apply pressure to ensure the sealing structure effect. The design of two sets of hinges and latches improves stability. The inner side of the door panel is covered with a shielding mesh, and the door frame and door panel are treated with conductive oxidation to ensure stable shielding performance.

[0021] (2) The Z-shaped inner edge of this utility model can cover gaps and support the door frame. The hollow structure of the door frame saves materials, reduces costs and lightens weight.

[0022] (3) The hollow protrusion on the inner side of the door panel of this utility model improves the sound insulation performance without increasing the weight. The shielding net is laid in the sink and a cover plate is installed for protection. The heat insulation board on the outer side improves the heat insulation performance, optimizes the temperature environment inside the cabin, and ensures the operation of the equipment. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a top view of the door panel;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the door frame.

[0026] In the diagram: 1. Door frame; 2. Door panel; 3. Hinge; 4. Lock; 5. Shielding mesh; 6. Sealing strip; 7. Inner edging; 8. Cover plate; 9. Heat insulation board. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0028] In the description of this utility model, it should be noted that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. They are only used to facilitate the description of this utility model and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] Example 1:

[0031] Combined with appendix Figures 1-3 A detachable shielding door for the top of a shielded modular shelter includes a door frame 1 and a door panel 2. Connecting edges are designed on the outer perimeter of the door frame 1, which cooperate with the outer edges of the door frame 1 to form right-angle connecting parts. The door frame 1 is sealed to the top of the shielded modular shelter via these right-angle connecting parts. This design effectively enhances the structural strength of the door frame 1 when connected to the shielded modular shelter, preventing the door frame 1 from collapsing. Furthermore, this structure facilitates a sealed connection between the door frame 1 and the shielded modular shelter. Common connection methods include applying sealant to the two right-angled sides of the right-angle connecting part and then securing it with bolts, or using integral welding. Notably, the top of the door frame 1 is higher than the connecting edges, thus providing some rain protection.

[0032] A door panel 2 is fastened to the door frame 1. A sealing structure is provided between the perimeter of the door panel 2 and the perimeter of the door frame 1 to achieve a sealing effect. Specifically, the sealing structure includes grooves respectively provided on the door frame 1 and the door panel 2, in which sealing strips 6 are embedded, and the sealing strips 6 on the door frame 1 and the door panel 2 are arranged in a staggered manner. At the same time, at the positions on the door frame 1 corresponding to the sealing strips 6 on the door panel 2, and at the positions on the door panel 2 corresponding to the sealing strips 6 on the door frame 1, there are raised structures designed to abut against the corresponding sealing strips 6. When the door panel 2 is in the closed state, the raised structures around the perimeter will tightly abut against the sealing strips 6, thereby achieving the sealing function and further improving its rainproof performance.

[0033] A hinge 3 is installed between one side of the door panel 2 and the door frame 1, allowing the door panel 2 to be opened and closed by rotating around the hinge 3. The hinge 3 consists of two components, one of which is fastened to the connecting edge of the door frame 1, and the other component is fastened to the door panel 2. When it is necessary to open the door panel 2, the two components of the hinge 3 can be separated, thereby separating the door panel 2 from the door frame 1, that is, making it possible to remove the door panel 2 after it is opened.

[0034] A latch 4 is installed between the door panel 2 and the door frame 1 on the other side. Its function is to lock the door panel 2 and the door frame 1 when the door panel 2 is closed. At the same time, the latch 4 can also apply pressure to the door panel 2 to ensure the sealing effect of the sealing structure between the door panel 2 and the door frame 1. In addition, the latch 4 and the hinge 3 are both set in two sets, which can improve the overall stability.

[0035] A shielding mesh 5 is laid on the inner side of the door panel 2. This shielding mesh 5 is a metal mesh structure, and its function is to ensure the shielding effectiveness of the shielded container. It should be noted that both the door frame 1 and the door panel 2 must undergo conductive oxidation treatment. The purpose of this is to enable the shielding mesh 5 to achieve a conductive connection with the shielding layer inside the shielded container, thereby ensuring the stable performance of the shielding.

[0036] Example 2:

[0037] As shown in Figure 1, a detachable shielding door on the top of a shielded container is an improvement on Embodiment 1. Specifically, a Z-shaped inner edge 7 is installed at the bottom of the door frame 1 of the shielded container. The design of the inner edge 7 can, on the one hand, cover any gaps that may occur between the door frame 1 and the container body, and on the other hand, it can also support the door frame 1, further improving the structural stability of the door frame 1.

[0038] Furthermore, the door frame 1 adopts a hollow structure design, which not only saves materials and reduces production costs, but also reduces the weight of the door frame 1 itself to a certain extent, making it easier to install and use, and also helps to optimize the overall structure.

[0039] Example 3:

[0040] Referring to Figure 1, a detachable shielding door for the top of a shielded bunker has been functionally optimized based on Embodiment 1 or 2. The main improvement is the addition of a hollow protrusion extending into the door frame 1 on the inner side of the door panel 2. This design effectively enhances the sound insulation performance of the door panel 2. When the door panel 2 is closed, it also improves the overall flatness of the top of the shielded bunker without excessively increasing the weight of the door frame 1.

[0041] Furthermore, a recessed groove is provided on the inner side of the door panel 2, and the shielding mesh 5 is laid in the recessed groove. A cover plate 8 is also installed at the corresponding position of the recessed groove. By setting the cover plate 8, the shielding mesh 5 can be hidden, and at the same time, it plays a good protective role for the shielding mesh 5, avoiding damage from the outside world, extending the service life of the shielding mesh 5, and ensuring the continuous and stable shielding effect.

[0042] Furthermore, a heat insulation plate 9 is provided on the outer side of the door panel 2. The heat insulation plate 9 can improve the heat insulation performance of the door panel 2, improve the temperature environment inside the shielded cabin, provide users with a more comfortable experience, and also help protect the equipment inside the cabin from the influence of external temperature changes, ensuring the normal operation of the equipment.

[0043] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and are intended to include all changes that fall within the meaning and scope of equivalents within this utility model.

Claims

1. A removable shield door for a top of a shielded shelter, characterized by, include: The door frame (1) has connecting edges on its outer sides. The connecting edges and the outer edges of the door frame (1) together form a right-angle connecting part. The door frame (1) is sealed to the top of the shielded container through the right-angle connecting part. The top of the door frame (1) is higher than the connecting edges. The door panel (2) is fastened to the door frame (1), and the door panel (2) and the door frame (1) are sealed together by a sealing structure. The hinge (3) is located on one side of the door panel (2). It includes two components, one of which is fastened to the connecting edge of the door frame (1) and the other component is fastened to the door panel (2). When the door panel (2) is opened, the two components of the hinge (3) can be separated, so that the door panel (2) can be separated from the door frame (1). The latch (4) is located on the other side of the door panel (2) and locks the door panel (2) and the door frame (1) when the door panel (2) is closed. The shielding mesh (5) is laid on the inside of the door panel (2).

2. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The sealing structure includes grooves provided in the door frame (1) and door panel (2), and a sealing strip (6) is embedded in the groove. The sealing strip (6) on the door frame (1) and the sealing strip (6) on the door panel (2) are arranged in a staggered manner. The door frame (1) corresponding to the sealing strip (6) on the door panel (2) and the door panel (2) corresponding to the sealing strip (6) on the door frame (1) are provided with protrusions that can abut against the corresponding sealing strip (6).

3. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The shielded cabin has a Z-shaped inner edging (7) installed at the bottom of the corresponding door frame (1).

4. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The inner side of the door panel (2) is provided with a hollow protrusion that extends into the door frame (1).

5. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The inner side of the door panel (2) is provided with a groove, the shielding net (5) is laid in the groove, and a cover plate (8) is installed at the groove.

6. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The outer side of the door panel (2) is provided with a heat insulation board (9).

7. The detachable shielding door on the top of the shielded container as described in claim 1, characterized in that: The door frame (1) is a hollow structure.