Waterproof and electromagnetic compatible metal plate box
By combining the bending structure of the sheet metal box and the sheet metal door panel with the conductive rubber strip, the problem that the sheet metal structure is difficult to have both waterproofness and electromagnetic compatibility is solved, and the effect of both waterproofness and electromagnetic compatibility is achieved.
Patent Information
- Application Number
- CN202422445081.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Existing sheet metal structures are difficult to meet the requirements of waterproofness and electromagnetic compatibility at the same time, and cannot be effectively used in specific environments.
A bending structure of sheet metal box and sheet metal door panel was designed, combined with conductive rubber strips to form a conductor to achieve electromagnetic compatibility. The shielding effect is enhanced by the unique shape and structure of the V-shaped conductive rubber strip, and the waterproof function is achieved by utilizing the matching space between the protrusion and the bent part.
The electromagnetic compatibility and waterproofness of the sheet metal box are both taken into account. The V-shaped design of the conductive rubber strip enhances the shielding effect. The matching space between the protrusion and the bent part ensures the waterproof performance and meets the working stability in various environments.
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Figure CN223472428U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to box body structure technical field, concretely relates to a sheet metal box of waterproof and electromagnetic compatibility. BACKGROUND
[0002] At present, sheet metal structure is applied increasingly widely because of its fast forming, high strength advantages, and the requirement of sheet metal structure is higher and higher. The general sheet metal structure only has single function, and the requirement that the sheet metal structure has waterproof and electromagnetic compatibility simultaneously in specific use environment needs a new sheet metal box structure of waterproof and electromagnetic compatibility. UTILITY MODEL CONTENTS
[0003] Therefore, the utility model provides a sheet metal box of waterproof and electromagnetic compatibility, and meets the waterproof and electromagnetic compatibility requirements.
[0004] The technical scheme adopted by the utility model is as follows:
[0005] A sheet metal box of waterproof and electromagnetic compatibility, including sheet metal box body, sheet metal door plate and conductive rubber strip,
[0006] The end face of the sheet metal box body and the sheet metal door plate cooperation is in the bending state, and the outward convex forms the convex part;
[0007] The sheet metal door plate is the end cover structure, the sheet metal door plate open end is equipped with the inward bending part, and the sheet metal door plate inside bottom surface and the bending part are equipped with the conductive rubber strip. One side of the sheet metal door plate is rotationally connected with the sheet metal box body, and the convex part of the sheet metal box body is used to contact the conductive rubber strip in the sheet metal door plate to form the conductor.
[0008] Further, the conductive rubber strip is V-shaped, and the opening faces the center of the sheet metal door plate.
[0009] Further, the sheet metal box body is the cuboid structure, and the inside four corners are equipped with the reinforcing piece.
[0010] Further, the bending part is the three-section structure, the horizontal inward extension section, the vertical section and the horizontal outward extension section, the horizontal inward extension section is located at the open end top, the extension direction faces the center of the sheet metal door plate, and is parallel to the plane where the closed end is located. The vertical section extends from the horizontal inward extension section to the closed end of the sheet metal door plate. The horizontal outward extension section extends outward from the vertical section, and the extension direction is away from the center of the sheet metal door plate, and is parallel to the plane where the closed end is located.
[0011] Further, the size of the space formed by the convex part and the vertical section of the bending part is consistent.
[0012] Beneficial effects:
[0013] 1. The sheet metal box end face of the utility model abandons the conventional planar structure. The protrusion is extended into the door panel to achieve a waterproof function. The protrusion contacts the conductive rubber strip to form a conductor, ensuring the requirements of electromagnetic compatibility.
[0014] 2. The conductive rubber strip of this utility model is V-shaped. The structure and effectiveness of this V-shaped conductive rubber strip are primarily reflected in its ability to effectively isolate and prevent electromagnetic interference. This rubber strip is typically made of conductive materials, such as a conductive fabric layer and multiple overlapping layers, to provide efficient electromagnetic shielding. The V-shaped design not only facilitates installation, but also further enhances the shielding effect due to its unique shape and structure, such as its wide compression range and low closing force. Furthermore, the V-shaped conductive rubber strip is equipped with an adhesive backing for easy installation. Its excellent mechanical properties and chemical resistance ensure that it maintains good working condition in a variety of environments.
[0015] 3. The space enclosed by the protruding portion of the sheet metal box of the utility model and the vertical section of the bent portion is of the same size and can be perfectly matched to achieve a waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a side view of the box body of the present utility model.
[0017] Figure 2 This is the front view of the box body of the utility model.
[0018] Figure 3 This is the front view of the door panel of the present invention.
[0019] Figure 4 It is a side view of the door panel of the present invention.
[0020] Figure 5 This is a schematic diagram of the combined assembly of the box body and door panel of the utility model.
[0021] Among them, 1-sheet metal box, 2-protrusion, 3-sheet metal door panel, 4-shadow part, 5-conductive rubber strip, 6-reinforcement. DETAILED DESCRIPTION
[0022] The present invention is described in detail below with reference to the accompanying drawings and embodiments.
[0023] The utility model provides a sheet metal box which is waterproof and electromagnetically compatible, comprising a sheet metal box body 1, a sheet metal door panel 3 and a conductive rubber strip 5.
[0024] The sheet metal box 1 is a hexahedron structure, one side of which is open, and is used to cooperate with the sheet metal door panel 3 to achieve closure to form a sheet metal box. Figure 1 、 Figure 2As shown, the end face of the sheet metal box 1 matched with the sheet metal door plate 3 is in a bending state, and the middle part of the end face is outwardly protruded to form the protruding part 2 through a sheet metal bending process.
[0025] As shown in the figure, Figure 3 , Figure 4 The sheet metal door plate 3 is in an end cover structure, and the open end of the sheet metal door plate 3 is provided with a bending part extending into the interior, and the inner bottom surface of the sheet metal door plate 3 and the bending part are bonded with the conductive rubber strip 5, and the conductive rubber strip 5 is horizontally exposed outside the bending part, and the exposed part is used for contacting with the protruding part 2, Figure 3 The shadow part 4 shown in the figure is bonded with the conductive rubber strip 5; in the embodiment, the conductive rubber strip 5 is in a V shape, and the opening is directed to the center of the sheet metal door plate 3. One side of the sheet metal door plate 3 is rotationally connected with the sheet metal box 1, and the protruding part 2 of the sheet metal box 1 is used for contacting with the conductive rubber strip 5 in the sheet metal door plate 3 to form a conductive body.
[0026] Specifically, as shown in the figure, Figure 5 The bending part is in a three-section structure, a horizontally inward extending section, a vertical section and a horizontally outward extending section, the horizontally inward extending section is located at the top of the open end, the extending direction is directed to the center of the sheet metal door plate 3, and is parallel to the plane where the closed end is located; the vertical section extends from the horizontally inward extending section to the closed end of the sheet metal door plate 3; the horizontally outward extending section extends horizontally outward from the vertical section, the extending direction is away from the center of the sheet metal door plate 3, and is parallel to the plane where the closed end is located. The protruding part 2 of the sheet metal box 1 and the space formed by the vertical section of the bending part are the same size.
[0027] Preferably, the sheet metal box 1 is in a cuboid structure, and the four corners in the interior are provided with reinforcing parts 6, and the reinforcing parts 6 are sheet metal bending parts.
[0028] After the sheet metal door plate 3 is closed in place, the V-shaped conductive rubber strip 5 bonded in the sheet metal door plate 3 can contact with the bending protruding part 2 of the sheet metal box 1 to form a continuous conductive body, so that the requirement of electromagnetic compatibility is ensured, and meanwhile, the bending surface of the protruding part 2 of the sheet metal box 1 and the bending part of the sheet metal door plate 3 also realize the waterproof function.
[0029] In conclusion, the above is only a preferable embodiment of the utility model, and is not used for limiting the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A sheet metal box which is waterproof and electromagnetic compatible, characterized by, The sheet metal box body, the sheet metal door plate and the conductive rubber strip are included. The end face of the sheet metal box body matched with the sheet metal door plate is in a bending state, and protrudes outward to form a protruding part. The sheet metal door plate is in an end cover structure, and a bending part extending into the interior is arranged at the open end of the sheet metal door plate. A conductive rubber strip is arranged between the inner bottom surface of the sheet metal door plate and the bending part. One side of the sheet metal door plate is rotationally connected with the sheet metal box body, and the protruding part of the sheet metal box body is used to contact the conductive rubber strip in the sheet metal door plate to form a conductor.
2. The metal sheet box according to claim 1, wherein The conductive rubber strip is in a V shape, and the opening is directed to the center of the sheet metal door plate.
3. The water and electromagnetic shieldable sheet metal box of claim 1, wherein, The sheet metal box body is in a cuboid structure, and reinforcing parts are arranged at the four corners in the interior.
4. A metal sheet box which is waterproof and electromagnetic compatible according to any one of claims 1 to 3, characterized in that, The bending part is in a three-section structure, including a horizontal inward extending section, a vertical section and a horizontal outward extending section. The horizontal inward extending section is located at the top of the open end, and extends towards the center of the sheet metal door plate and is parallel to the plane where the closed end is located. The vertical section extends from the horizontal inward extending section to the closed end of the sheet metal door plate. The horizontal outward extending section extends horizontally outward from the vertical section, and extends away from the center of the sheet metal door plate and is parallel to the plane where the closed end is located.
5. The water and electromagnetic shieldable sheet metal box according to claim 4, wherein, The space formed by the protruding part and the vertical section of the bending part is of the same size.