Electromagnetic shielding cover convenient to disassemble

Abstract

The utility model relates to the technical field of electromagnetic shielding covers, in particular to an electromagnetic shielding cover convenient to disassemble, which comprises a front support and a rear support, the front support is arranged in front of the rear support, connecting frames are arranged between the front support and the rear support, an acrylic plate is arranged between the two connecting frames, and the acrylic plate is connected with the front support through a connecting rod. And a connecting mechanism is arranged in the rear bracket. Second clamping blocks arranged on the two sides of an acrylic plate are inserted into second grooves, connection between the acrylic plate and the connecting frame is achieved, and pin rods arranged on the front surface and the rear surface of the connecting frame are inserted into corresponding concave holes formed in the front support and the rear support correspondingly. The two first clamping blocks on the front portion and the rear portion of the acrylic plate are inserted into the first grooves formed in the front support and the rear support respectively, dismounting of the electromagnetic shielding cover is opposite to the mounting stage of the electromagnetic shielding cover, dismounting of the electromagnetic shielding cover can be completed by conducting the mounting stage in an inverted order, and dismounting of the electromagnetic shielding cover is convenient to achieve.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic shielding covers, in particular to an electromagnetic shielding cover which is easy to disassemble. Background Art

[0002] In order to improve the stability and reliability of circuit board operation and avoid interference from electromagnetic signals, a common method is to set an electromagnetic shielding cover around the circuit board and cover all electronic components inside the electromagnetic shielding cover to isolate the interference of external electromagnetic signals on the components.

[0003] For example, patent number CN219698357U is an electromagnetic shielding cover that is easy to disassemble, including a cover body, the cover body is composed of columns and a frame, a stretch curtain is connected to the front side of the cover body, the top surface, side surfaces and rear sides of the cover body are connected to double-layer acrylic plates, and a brass mesh is connected between the two acrylic plates; a heat-conducting layer is arranged on the inner side of the top surface of the cover body, and a heat dissipation component is arranged on the outer side thereof. The above document still has shortcomings. When in use, by arranging a brass mesh between the two acrylic plates and inside the cover body, the electromagnetic interference signal can be effectively shielded, and the stability is strong. By selecting and improving the columns and the frame, the electromagnetic shielding cover is more convenient to install and disassemble, and the frame can be completely disassembled, making transportation more convenient. However, the electromagnetic shielding cover in the above document will occupy a certain space during transportation, which is not convenient for disassembly of the electromagnetic shielding cover. At the same time, the stretch curtain can only be pulled to the lowest end or the uppermost end during the stretching process, which is not convenient for stretching the stretch curtain to a specified position according to demand. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to disassemble the electromagnetic shielding cover, and provides an electromagnetic shielding cover which is easy to disassemble.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An electromagnetic shielding cover that is easy to disassemble is designed, including a front bracket and a rear bracket, the front bracket is arranged in front of the rear bracket, a connecting frame is arranged between the front bracket and the rear bracket, an acrylic plate is arranged between the two connecting frames, a connecting mechanism is arranged inside the rear bracket, a driving mechanism is arranged on the surface of the front bracket, and a brass mesh is arranged inside the upper acrylic plate.

[0007] Preferably, the connecting mechanism includes a first groove, a first clamping block, a second clamping block, a second groove, a pin rod and a concave hole, the first groove and the concave hole are arranged inside the rear bracket, the first groove is clearance-matched with the outer wall of the first clamping block, the second clamping block is fixed to the outer wall of the acrylic board, the outer wall of the second clamping block is clearance-matched with the second groove, the second groove is arranged inside the connecting frame, the pin rod is fixed to the surface of the connecting frame, and the outer wall of the pin rod is clearance-matched with the concave hole.

[0008] Preferably, the driving mechanism includes a first bracket, the first bracket is fixed to the surface of the front bracket, the first bracket is rotatably connected to the outer walls of both ends of the screw through bearings, the lower end of the screw is fixed with a rotating wheel, the outer wall of the screw is threadedly connected with a screw nut, and the outer wall of the screw nut is fixed with a cross bar.

[0009] Preferably, a frame is fixedly connected to the surface of the front bracket, and a stretch curtain is arranged inside the frame.

[0010] Preferably, the end of the stretch curtain is fixedly connected to the cross bar.

[0011] Preferably, the inner walls of the left and right acrylic panels are both fixedly connected with a heat-conducting layer, and the outer walls of the left and right acrylic panels are both fixedly connected with a heat dissipation component.

[0012] The utility model proposes an electromagnetic shielding cover that is easy to disassemble, and its beneficial effects are: through the cooperation between the first groove, the first clamping block, the second clamping block, the second groove, the pin rod and the concave hole, the second clamping blocks arranged on both sides of the acrylic board are inserted into the inside of the second groove to realize the connection between the acrylic board and the connecting frame, the pin rods arranged on the front and rear surfaces of the connecting frame are respectively inserted into the corresponding concave holes arranged in the front bracket and the rear bracket, and the two first clamping blocks in the front and rear of the acrylic board are respectively inserted into the first grooves arranged in the front bracket and the rear bracket. The disassembly of the electromagnetic shielding cover is opposite to the installation stage of the electromagnetic shielding cover. The above-mentioned installation stages can be performed in reverse order to complete the disassembly of the electromagnetic shielding cover, which is convenient for realizing the disassembly of the electromagnetic shielding cover.

[0013] Through the cooperation among the first bracket, the lead screw, the rotating wheel, the lead screw nut and the cross bar, the rotating wheel drives the lead screw to rotate, the lead screw drives the lead screw nut to move, the lead screw nut drives the cross bar to move, and the cross bar drives the stretch curtain to move, so as to pull the stretch curtain. When the lead screw stops rotating and the cross bar no longer moves, the stretch curtain will not move, and the stretching of the stretch curtain can be controlled by rotating the rotating wheel, so that the stretch curtain can be stretched to the specified position according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2It is a structural sectional view of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the connection between the rear bracket, the first groove and the concave hole in the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the connection between the connecting frame, the acrylic plate and the heat-conducting layer in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection frame, the second groove and the pin rod connection in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the acrylic plate, the brass mesh and the second clamping block in the utility model.

[0020] In the figure: 1, front bracket, 2, rear bracket, 3, connecting mechanism, 301, first groove, 302, first block, 303, second block, 304, second groove, 305, pin, 306, concave hole, 4, driving mechanism, 401, first bracket, 402, screw, 403, rotating wheel, 404, screw nut, 405, cross bar, 4a1, slider, 4a2, slide bar, 4a3, second bracket, 5, connecting frame, 6, acrylic board, 7, brass mesh, 8, frame, 9, stretch curtain, 10, thermal conductive layer, 11, heat dissipation component. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the attached Figure 1-6 : In this embodiment, an electromagnetic shielding cover that is easy to disassemble includes a front bracket 1 and a rear bracket 2, the front bracket 1 is arranged in front of the rear bracket 2, a connecting frame 5 is arranged between the front bracket 1 and the rear bracket 2, four connecting frames 5 are arranged, and an acrylic plate 6 is arranged between the two connecting frames 5. The material and function of the acrylic plate 6 are the same as those in the electromagnetic shielding cover that is easy to disassemble with patent number CN219698357U, and a connecting mechanism 3 is arranged inside the rear bracket 2, and the connecting mechanism 3 facilitates the disassembly of the electromagnetic shielding cover;

[0024] A driving mechanism 4 is provided on the surface of the front bracket 1, and the driving mechanism 4 drives the stretching curtain 9. A brass mesh 7 is provided inside the upper acrylic plate 6. The material and function of the brass mesh 7 are the same as those in an electromagnetic shielding cover that is easy to disassemble with patent number CN219698357U. A frame 8 is fixedly connected to the surface of the front bracket 1. A stretching curtain 9 is provided inside the frame 8. The material and function of the stretching curtain 9 are the same as those in an electromagnetic shielding cover that is easy to disassemble with patent number CN219698357U. The end of the stretching curtain 9 is fixedly connected to the cross bar 405, and the cross bar 405 drives the stretching curtain 9 to move. The inner walls of the left and right acrylic plates 6 are fixedly connected with a heat conducting layer 10, and the outer walls of the left and right acrylic plates 6 are fixedly connected with a heat dissipation component 11. The materials and functions of the heat conducting layer 10 and the heat dissipation component 11 are the same as those in an electromagnetic shielding cover that is easy to disassemble with patent number CN219698357U.

[0025] The connecting mechanism 3 includes a first groove 301, a first clamping block 302, a second clamping block 303, a second groove 304, a pin rod 305 and a concave hole 306. The first groove 301 and the concave hole 306 are arranged inside the rear bracket 2. The first groove 301 and the concave hole 306 are also arranged inside the front bracket 1. The first groove 301 is clearance-matched with the outer wall of the first clamping block 302. The first clamping block 302 is inserted into the first groove 301. The second clamping block 303 is fixed to the outer wall of the acrylic board 6. The outer wall of the second clamping block 303 is clearance-matched with the second groove 304. The second clamping block 303 is inserted into the second groove 304. The second groove 304 is arranged inside the connecting frame 5. The pin rod 305 is fixed to the surface of the connecting frame 5. The outer wall of the pin rod 305 is clearance-matched with the concave hole 306. The pin rod 305 is inserted into the concave hole 306.

[0026] Insert the second clamping blocks 303 provided on both sides of the acrylic board 6 into the second groove 304 to realize the connection between the acrylic board 6 and the connecting frame 5, insert the pin rods 305 provided on the front and rear surfaces of the connecting frame 5 into the corresponding recessed holes 306 provided in the front bracket 1 and the rear bracket 2 respectively, insert the two first clamping blocks 302 in front and back of the acrylic board 6 into the first grooves 301 provided in the front bracket 1 and the rear bracket 2 respectively. The disassembly of the electromagnetic shielding cover is opposite to the installation stage of the electromagnetic shielding cover. The above-mentioned installation stages can be performed in reverse order to complete the disassembly of the electromagnetic shielding cover, which facilitates the disassembly of the electromagnetic shielding cover.

[0027] The driving mechanism 4 includes a first bracket 401, a lead screw 402, a rotating wheel 403, a lead screw nut 404 and a cross bar 405. The first bracket 401 is fixedly connected to the surface of the front bracket 1. The first bracket 401 and the outer walls of both ends of the lead screw 402 are rotatably connected through bearings. The lower end of the lead screw 402 is fixedly connected to a rotating wheel 403, and the rotating wheel 403 drives the lead screw 402 to rotate. The outer wall of the lead screw 402 is threadedly connected to the lead screw nut 404. The lead screw 402 drives the lead screw nut 404 to move. The outer wall of the lead screw nut 404 is fixedly connected to the cross bar 405, and the lead screw nut 404 drives the cross bar 405 to move.

[0028] The rotating wheel 403 drives the lead screw 402 to rotate, the lead screw 402 drives the lead screw nut 404 to move, the lead screw nut 404 drives the cross bar 405 to move, and the cross bar 405 drives the stretching curtain 9 to move, thereby pulling the stretching curtain 9. When the lead screw 402 stops rotating and the cross bar 405 no longer moves, the stretching curtain 9 will not move. By rotating the rotating wheel 403, the stretching of the stretching curtain 9 can be controlled, so that the stretching curtain 9 can be stretched to a specified position according to needs.

[0029] Working principle:

[0030] When using an easily removable electromagnetic shielding cover for electromagnetic shielding;

[0031] Electromagnetic shielding cover installation stage:

[0032] Insert the second clamping blocks 303 provided on both sides of the acrylic board 6 into the second groove 304 to realize the connection between the acrylic board 6 and the connecting frame 5, insert the pins 305 provided on the front and rear surfaces of the connecting frame 5 into the corresponding recessed holes 306 provided in the front bracket 1 and the rear bracket 2 respectively, insert the two first clamping blocks 302 in front and back of the acrylic board 6 into the first grooves 301 provided in the front bracket 1 and the rear bracket 2 respectively, and complete the installation of the electromagnetic shielding cover. During the installation process, the acrylic board 6 with the brass mesh 7 is located at the top, and the brass mesh can effectively shield the signal of electromagnetic interference and has strong stability. When installing the acrylic board 6 with the heat dissipation component 11, the heat dissipation component 11 is located on the left and right sides of the electromagnetic shielding cover, and the electronic components are placed inside the electromagnetic shielding cover for electromagnetic shielding. The heat conductive layer 10 and the heat dissipation component 11 facilitate heat dissipation inside the electromagnetic shielding cover.

[0033] Electromagnetic shield disassembly stage:

[0034] The disassembly of the electromagnetic shielding cover is opposite to the installation stage of the electromagnetic shielding cover. The disassembly of the electromagnetic shielding cover can be completed by performing the above installation stages in reverse order, which facilitates the disassembly of the electromagnetic shielding cover.

[0035] The pulling phase of the stretch curtain:

[0036] Rotate the wheel 403, the wheel 403 drives the lead screw 402 to rotate, the lead screw 402 drives the lead screw nut 404 to move, the lead screw nut 404 drives the cross bar 405 to move, the cross bar 405 drives the stretching curtain 9 to move, and the stretching curtain 9 is pulled. When the lead screw 402 stops rotating and the cross bar 405 no longer moves, the stretching curtain 9 will not move. The stretching of the stretching curtain 9 can be controlled by rotating the wheel 403, so that the stretching curtain 9 can be stretched to a specified position according to needs.

[0037] Embodiment 2:

[0038] Refer to the attached Figure 1-6 : In this embodiment, an electromagnetic shielding cover that is easy to disassemble, the driving mechanism 4 also includes a slider 4a1, a slide bar 4a2 and a second bracket 4a3, the slider 4a1 is fixedly connected to the end of the cross bar 405, the cross bar 405 drives the slider 4a1 to move, the slider 4a1 is slidably connected to the outer wall of the slide bar 4a2, the slider 4a1 slides on the outer wall of the slide bar 4a2, both ends of the slide bar 4a2 are fixedly connected to the second bracket 4a3, and the second bracket 4a3 is fixedly connected to the surface of the front bracket 1;

[0039] Through the cooperation between the slider 4a1, the slide rod 4a2 and the second bracket 4a3, the cross bar 405 drives the slider 4a1 to move when it moves, and the slider 4a1 slides on the outer wall of the slide rod 4a2. The slider 4a1 and the slide rod 4a2 guide the movement of the cross bar 405.

[0040] Working principle:

[0041] When the cross bar 405 moves, it drives the slider 4a1 to move. The slider 4a1 slides on the outer wall of the slider 4a2. The slider 4a1 and the slider 4a2 guide the movement of the cross bar 405.

[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An electromagnetic shielding cover that is easy to disassemble, comprising a front bracket (1) and a rear bracket (2), wherein the front bracket (1) is arranged in front of the rear bracket (2), and is characterized in that: A connecting frame (5) is arranged between the front bracket (1) and the rear bracket (2), an acrylic plate (6) is arranged between the two connecting frames (5), a connecting mechanism (3) is arranged inside the rear bracket (2), a driving mechanism (4) is arranged on the surface of the front bracket (1), and a brass mesh (7) is arranged inside the upper acrylic plate (6).

2. The easily disassembled electromagnetic shielding cover according to claim 1, characterized in that: The connecting mechanism (3) comprises a first groove (301), a first clamping block (302), a second clamping block (303), a second groove (304), a pin rod (305) and a concave hole (306); the first groove (301) and the concave hole (306) are arranged inside the rear bracket (2); the first groove (301) and the outer wall of the first clamping block (302) are loosely matched; the second clamping block (303) is fixedly connected to the outer wall of the acrylic board (6); the outer wall of the second clamping block (303) and the second groove (304) are loosely matched; the second groove (304) is arranged inside the connecting frame (5); the pin rod (305) is fixedly connected to the surface of the connecting frame (5); the outer wall of the pin rod (305) and the concave hole (306) are loosely matched.

3. The easily disassembled electromagnetic shielding cover according to claim 1, characterized in that: The driving mechanism (4) comprises a first bracket (401), the first bracket (401) is fixedly connected to the surface of the front bracket (1), the first bracket (401) and the outer walls of both ends of the lead screw (402) are rotatably connected via bearings, a rotating wheel (403) is fixedly connected to the lower end of the lead screw (402), a lead screw nut (404) is threadedly connected to the outer wall of the lead screw (402), and a cross bar (405) is fixedly connected to the outer wall of the lead screw nut (404).

4. The easily disassembled electromagnetic shielding cover according to claim 1, characterized in that: A frame (8) is fixedly connected to the surface of the front bracket (1), and a stretch curtain (9) is arranged inside the frame (8).

5. The easily disassembled electromagnetic shielding cover according to claim 4, characterized in that: The end of the stretch curtain (9) is fixedly connected to the cross bar (405).

6. The easily disassembled electromagnetic shielding cover according to claim 1, characterized in that: The inner walls of the left and right acrylic panels (6) are both fixedly connected with a heat-conducting layer (10), and the outer walls of the left and right acrylic panels (6) are both fixedly connected with a heat-dissipating component (11).

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