Electromagnetic shielding door and screen cabinet
By combining a sliding frame and a flexible rotating component with an electric push rod, the problems of space occupation and inconvenient maintenance of electromagnetic shielding doors are solved, and the automatic storage of electromagnetic shielding doors and the improvement of electromagnetic shielding performance are realized.
Patent Information
- Application Number
- CN202423224566.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing electromagnetic shielding doors are too small to achieve good electromagnetic shielding, and during maintenance, the doors take up space or rotate irregularly, affecting maintenance work.
The sliding frame and elastic rotating assembly are used to automatically retract the door, and the door can be automatically locked and opened through the locking assembly and control terminal. The electromagnetic shielded door panel is installed on the side wall of the door.
It enables the door to automatically retract during maintenance, avoiding space occupation, improving electromagnetic shielding performance, and enhancing the convenience and safety of maintenance.
Smart Images

Figure CN223681415U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of screen cabinet, especially to an electromagnetic shielding door and screen cabinet. BACKGROUND
[0002] As an important carrier of modern electrical and electronic equipment, screen cabinets are widely used in power systems, data centers, industrial control and other fields. They not only provide a safe and reliable installation environment for various electrical components, control devices and communication equipment, but also effectively isolate the influence of external environment on internal equipment through their solid structure and reasonable design, such as dustproof, moistureproof, and ratproof. The interior of the screen cabinet is usually equipped with a perfect heat dissipation system, wiring terminal blocks, and various indicator lights and buttons, allowing the equipment to operate efficiently and stably. At the same time, the appearance design of the screen cabinet also focuses on the combination of aesthetics and practicality to meet the needs of different occasions, becoming an indispensable part of modern industrial and civil facilities.
[0003] In the application of screen cabinets, in order to improve their electromagnetic compatibility (EMC) and reduce the influence of electromagnetic interference (EMI) on internal equipment, more and more screen cabinets begin to be equipped with electromagnetic shielding doors. Electromagnetic shielding doors are made of special materials and have excellent electrical conductivity and magnetic shielding effect, which can effectively block the intrusion of external electromagnetic waves and prevent the leakage of electromagnetic waves generated by internal equipment. This is crucial for protecting sensitive electronic equipment from external electromagnetic interference, ensuring the accuracy of data transmission, and improving the overall stability of the system. Especially in data centers or industrial control environments with high-frequency and high-power electronic equipment, the installation of electromagnetic shielding doors can significantly improve the protection capability of the screen cabinet and provide strong protection for the long-term stable operation of the equipment. In addition, electromagnetic shielding doors also have additional functions such as fireproofing and explosion-proofing, further enhancing the safety performance of the screen cabinet.
[0004] Patent document CN203504913U discloses an electric control cabinet with electromagnetic shielding function, which solves the problem of contradiction between electromagnetic shielding and convenient observation of existing electric control cabinets with touch observation windows. It includes a cabinet body, a cabinet door is set on the cabinet body, a touch screen is set on the cabinet door, a touch screen sealing frame is fixedly set on the cabinet door around the touch screen, an electromagnetic shielding door is set on the touch screen sealing frame, an observation window with steel wire mesh is set on the electromagnetic shielding door, and a quick plug pneumatic pipe joint is set on the side plate of the cabinet body. It has the dual effects of electromagnetic shielding and convenient direct monitoring of the working condition of the instrument equipment in the cabinet.
[0005] As prior art in the above-mentioned patent, the electromagnetic shielding door on the electric control cabinet is small in size, which cannot achieve good electromagnetic shielding effect, and when the cabinet door is opened for maintenance, the cabinet door is opened by rotating the hinge, and after being opened, the cabinet door is on one side of the cabinet body, if the space where the cabinet body is located is small, the existence of the cabinet door will affect the maintenance work of the electric control cabinet, and if the state of the cabinet door after being rotated cannot be limited, the irregular rotation of the cabinet door will also affect the maintenance work in the cabinet. Practical new type content
[0006] The utility model discloses an electromagnetic shielding door and cabinet to solve the above-mentioned shortcomings in the prior art.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cabinet, including cabinet body, the side wall of both sides of the cabinet body is equipped with the accommodation groove, the inside slide of the accommodation groove is installed with slide frame, the slide frame is provided with elastic rotation subassembly and door body, the door body is connected with the slide frame through the elastic rotation subassembly, the top of the cabinet body is provided with locking assembly.
[0008] As a further description of the above technical scheme: the locking assembly includes a locking device body fixedly installed on the cabinet, the bottom end of the locking device body is drivingly connected with two lock columns, the top end of the door body is provided with two locking holes, and the two lock columns and the two locking holes are matched with each other.
[0009] As a further description of the above technical scheme: the elastic rotation subassembly includes two sleeves, two sleeves are fixedly installed at the top and bottom of the slide frame, a rotating shaft is rotatably installed between the two sleeves, the rotating shaft is fixedly connected with the door body, torsional springs are arranged in the two sleeves, one end of the two torsional springs is fixedly connected with the sleeve, and the other end of the two torsional springs is fixedly connected with the rotating shaft.
[0010] As a further description of the above technical scheme: the inside of the accommodation groove is fixedly installed with an electric push rod, and the output end of the electric push rod is drivingly connected with the slide frame.
[0011] As a further description of the above technical scheme: the top of the cabinet body is fixedly installed with a control terminal, data transmission lines are arranged at the two ends of the control terminal respectively, and the control terminal is electrically connected with the locking device body and the electric push rod through the two data transmission lines respectively.
[0012] An electromagnetic shielding door, comprising an electromagnetic shielding door plate, the electromagnetic shielding door plate is fixedly installed on the side wall of the door body of the cabinet.
[0013] The utility model provides a kind of screen cabinet. With following beneficial effects: the utility model when needing to overhaul the inside of screen cabinet, by unlocking locking assembly, two door bodies occur rotation under the action of elastic rotating assembly, when two door bodies rotate to the position parallel with storage groove, electric push rod in the inside of storage groove can pull the sliding frame of installing two door bodies to the inside of storage groove, can be realized two door bodies are stored into the inside of storage groove, can prevent the door body of opening occupies space, to avoid the influence to the work of overhaul.
[0014] Since the door body of the screen cabinet is provided with the electromagnetic shielding door plate, the screen cabinet with the electromagnetic shielding door plate has the above beneficial effects and the performance of electromagnetic shielding.
[0015] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory, rather than intended to limit the present disclosure.
[0016] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A schematic diagram of the overall three-dimensional structure of the electromagnetic shielding door and the screen cabinet of the utility model is provided.
[0018] Figure 2 A schematic diagram of the three-dimensional structure when the door body of the utility model is stored into the inside of storage groove is provided.
[0019] Figure 3 A schematic diagram of the three-dimensional explosion structure of the elastic rotating assembly of the utility model is provided.
[0020] Figure 4 A schematic diagram of the cross-sectional structure of the inside of the storage groove of the utility model is provided.
[0021] Figure 5 A schematic diagram of the three-dimensional structure of the door body, electric push rod and sliding frame of the utility model is provided.
[0022] Figure 6 A schematic diagram of the cross-sectional structure of the electromagnetic shielding door plate provided on the door body of the utility model is provided.
[0023] Legend:
[0024] 1, screen cabinet body; 2, storage groove; 3, sliding frame; 4, rotating shaft; 5, sleeve; 6, door body; 7, electric push rod; 8, torsion spring; 9, control terminal; 10, data transmission line; 11, locking device body; 12, lock column; 13, locking hole; 14, electromagnetic shielding door plate. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0026] Referring to Figures 1-6 A screen cabinet, including screen cabinet body 1, the side wall of both sides of screen cabinet body 1 is provided with receiving groove 2, sliding frame 3 is slidably installed in receiving groove 2, elastic rotating assembly and door body 6 are arranged on sliding frame 3, door body 6 is rotatably connected with sliding frame 3 through elastic rotating assembly, locking assembly is arranged on the top of screen cabinet body 1, when needing to overhaul the inside of screen cabinet, two door bodies 6 are rotated under the action of elastic rotating assembly by unlocking locking assembly, when two door bodies 6 are rotated to the position parallel with receiving groove 2, electric push rod 7 in receiving groove 2 can pull sliding frame 3, which installs two door bodies 6, to the inside of receiving groove 2, can realize that two door bodies 6 are received into the inside of receiving groove 2, can prevent the door body 6 opened from occupying space, thereby avoiding the influence on the work of overhauling.
[0027] As a preferred technical scheme of the present embodiment, the locking assembly includes locking device body 11 fixedly installed on screen cabinet body 1, two lock columns 12 are drivingly connected with the bottom end of locking device body 11, two locking holes 13 are formed in the top end of door body 6, two lock columns 12 and two locking holes 13 are mutually adapted, locking device body 11 is prior art, which can control two lock columns 12 to slide downward or to be pulled upward to realize the locking and opening of door body 6.
[0028] As a preferred technical scheme of the present embodiment, the elastic rotating assembly includes two sleeves 5, two sleeves 5 are fixedly installed at the top end and the bottom end of sliding frame 3 respectively, rotating shaft 4 is rotatably installed between two sleeves 5, rotating shaft 4 is fixedly connected with door body 6, torsional spring 8 is arranged in the inside of two sleeves 5, one end of two torsional springs 8 is fixedly connected with sleeve 5, the other end of two torsional springs 8 is fixedly connected with rotating shaft 4, rotating shaft 4 of fixed door body 6 can drive door body 6 to rotate outward under the action of torsional spring 8, that is, lock column 12 can be away from locking hole 13, door body 6 is automatically opened, then door body 6 is received through electric push rod 7, realizing fully automatic door opening.
[0029] As a preferred technical scheme of the present embodiment, electric push rod 7 is fixedly installed in the inside of receiving groove 2, the output end of electric push rod 7 is drivingly connected with sliding frame 3, electric push rod 7 can realize the movement of sliding frame 3 in the inside of receiving groove 2, thereby realizing the receiving and pushing out of door body 6.
[0030] As a preferred technical scheme of the embodiment, the top end of the cabinet body 1 is fixedly provided with a control terminal 9, both ends of the control terminal 9 are respectively provided with data transmission lines 10, and the control terminal 9 is electrically connected with the locking device body 11 and the electric push rod 7 through the two data transmission lines 10 respectively. The linkage of the locking device body 11 and the electric push rod 7 can be realized through the control terminal 9, that is, when the locking device body 11 is unlocked to the door body 6, the door body 6 is rebounded and reset after several seconds, at this time, the electric push rod 7 is started, the door body 6 is pulled inward, and the door body 6 can be stored, and the automation of the device is realized.
[0031] The electromagnetic shielding door comprises an electromagnetic shielding door plate 14, which is fixedly installed on the side wall of the door body 6 of the cabinet, and the electromagnetic shielding performance of the cabinet is realized by installing the electromagnetic shielding door plate 14 on the door body 6.
[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A screen cabinet comprising a screen cabinet body (1), characterized in that, The both sides of the screen cabinet body (1) are provided with receiving grooves (2), the inside of the receiving groove (2) is slidably provided with a sliding frame (3), the sliding frame (3) is provided with an elastic rotating assembly and a door body (6), the door body (6) is rotatably connected with the sliding frame (3) through the elastic rotating assembly, and the top of the screen cabinet body (1) is provided with a locking assembly.
2. A screen cabinet according to claim 1, characterised in that The locking assembly comprises a locking device body (11) fixedly installed on the screen cabinet body (1), the bottom end of the locking device body (11) is drivingly connected with two lock columns (12), the top end of the door body (6) is provided with two locking holes (13), and the two lock columns (12) and the two locking holes (13) are matched with each other.
3. A cabinet according to claim 1, wherein The elastic rotating assembly comprises two sleeves (5), the two sleeves (5) are respectively fixedly installed at the top end and the bottom end of the sliding frame (3), a rotating shaft (4) is rotatably installed between the two sleeves (5), the rotating shaft (4) is fixedly connected with the door body (6), the inside of the two sleeves (5) is provided with torsion springs (8), one end of the two torsion springs (8) is fixedly connected with the sleeve (5), and the other end of the two torsion springs (8) is fixedly connected with the rotating shaft (4).
4. A cabinet according to claim 1, wherein The inside of the receiving groove (2) is fixedly installed with an electric push rod (7), and the output end of the electric push rod (7) is drivingly connected with the sliding frame (3).
5. A cabinet according to claim 1, wherein The top of the screen cabinet body (1) is fixedly installed with a control terminal (9), and the both ends of the control terminal (9) are respectively provided with data transmission lines (10); the control terminal (9) is electrically connected with the locking device body (11) and the electric push rod (7) through the two data transmission lines (10) respectively.
6. An electromagnetic shielding door comprising an electromagnetic shielding door panel (14), characterized in that The electromagnetic shielding door plate (14) is fixedly installed on the side wall of the door body (6) of the screen cabinet of any one of claims 1-5.
Citation Information
Patent Citations
Electronic control cabinet having electromagnetic shielding function
CN203504913U