Magnetic shielding sheet positioning device

Abstract

The utility model relates to the field of magnetic shielding sheets, and discloses a magnetic shielding sheet positioning device which comprises an equipment mounting part, a mounting groove is formed in the middle of the top end of the equipment mounting part, a shielding sheet body is placed in the mounting groove, a fixed inner cavity is formed in the bottom in the equipment mounting part, and a gear ring is rotationally mounted in the middle of the bottom end of the inner wall of the fixed inner cavity. Fixing grooves are formed in the positions, close to the four corners, of the inner wall of the fixing inner cavity, gears are rotationally installed at the upper and lower ends of the inner wall of each fixing groove, sliding grooves are formed in the side portions of one sides of the inner walls of the gears, and rack plates are movably installed in the sliding grooves; the shielding sheet main body placed in the mounting groove is positioned through the plurality of rack plates, so that the effect of conveniently disassembling and assembling the shielding sheet main body is achieved, the overall stability of the shielding sheet main body after installation is improved, and the problem that the shielding sheet main body is inconvenient to disassemble and assemble during installation is solved; and the overall positioning and mounting effect of the shielding sheet main body is improved.

Description

Technical Field

[0001] The present application relates to the field of magnetic shielding sheets, and in particular to a magnetic shielding sheet positioning device. Background Art

[0002] Magnetic shielding sheets are components used to shield magnetic field interference in electronic equipment or circuits. They are usually made of special materials that can absorb or reflect magnetic fields, thereby reducing or eliminating the impact of magnetic fields on surrounding electronic components. Magnetic shielding sheets are widely used in various occasions where electronic equipment needs to be protected from external magnetic field interference, such as in aerospace, medical equipment, electronic communications and other fields.

[0003] Since the magnetic shielding sheet needs to be installed on the outer surface of the electronic equipment, it is generally fixed by gluing during installation. However, the fixed magnetic shielding sheet is not convenient for disassembly and assembly, and the glue will adhere to the magnetic shielding sheet and the electronic equipment and is difficult to remove, which brings certain inconveniences during the installation of the magnetic shielding sheet and reduces the overall installation and positioning effect of the magnetic shielding sheet.

[0004] In view of the above-mentioned related technologies, the inventor believes that the magnetic shielding sheet has the defect of being inconvenient to disassemble and assemble during installation and positioning, and therefore proposes a magnetic shielding sheet positioning device to solve the above-mentioned problem. Utility Model Content

[0005] In order to solve the problem that the magnetic shielding sheet is not convenient for assembly and disassembly during installation and positioning, the present application provides a magnetic shielding sheet positioning device.

[0006] The present application provides a magnetic shielding sheet positioning device that adopts the following technical solution:

[0007] A magnetic shielding plate positioning device comprises an equipment installation part, a mounting groove is provided in the middle of the top of the equipment installation part, a shielding plate body is placed in the mounting groove, a fixed inner cavity is provided in the bottom of the equipment installation part, a gear ring is rotatably installed in the middle of the bottom end of the inner wall of the fixed inner cavity, fixed grooves are provided on the inner wall of the fixed inner cavity near the four corners, gears are rotatably installed at the upper and lower ends of the inner wall of the fixed groove, a sliding groove is provided on one side of the inner wall of the gear, a rack plate is movably installed in the sliding groove, and a limiting mechanism is also provided in the middle of the bottom end of the gear ring extending to the outside of the equipment installation part, which is used to control the rotation of the gear ring.

[0008] Preferably, the limiting mechanism includes a fixed sleeve, which is welded to the middle part of the bottom end of the gear ring and extends to the bottom of the equipment installation part. A square groove is opened in the middle part of the bottom end of the fixed sleeve, and a square block is movably installed inside the square groove. A spring is sleeved on the outer surface of the square block. A connecting plate is welded to the bottom end of the square block extending to the outside of the fixed sleeve, and a limiting rod is symmetrically welded to the edge of one end of the connecting plate.

[0009] Preferably, the bottom of one side of the outer surface of the gear moves close to the outer surface of the gear ring, one end of the rack plate moves close to the top of one side of the outer surface of the gear, the gear ring and the gear are meshed with each other, and the gear and the rack plate are meshed with each other.

[0010] Preferably, the volume of the rack plate is smaller than the internal volume of the sliding groove, one end edge of the rack plate extends to the inside of the shielding sheet body, and the sliding groove and the rack plate are adapted to each other.

[0011] Preferably, a limiting ring plate is fixedly installed on the bottom end of the equipment mounting portion at the outer surface of the fixed sleeve, a plurality of limiting grooves are opened at the bottom end of the limiting ring plate, one end edge of the limiting rod extends into the limiting groove, and the limiting rod and the limiting groove are engaged with each other.

[0012] Preferably, the cross-sectional area of ​​the square block is smaller than the cross-sectional area of ​​the bottom opening of the square groove, and the square groove and the square block are embedded in each other.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] The limit rod is removed from the limit ring plate by pulling the connecting plate, the limit on the fixed sleeve is cancelled, and the connecting plate and the fixed sleeve are rotated to drive the gear ring to rotate, so that the multiple rack plates move along the inside of the sliding groove, the shielding sheet body is placed in the installation groove, and the multiple rack plates are adjusted to be clamped at the opening of the installation groove, so that the square block pulls the limit rod into the limit groove under the action of the spring; compared with the prior art, this scheme has the effect of facilitating the disassembly and assembly of the shielding sheet body, improves the overall stability of the shielding sheet body after installation, solves the problem that the shielding sheet body is inconvenient to disassemble and assemble during installation, and improves the overall positioning and installation effect of the shielding sheet body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0016] Figure 2 It is a schematic diagram of the structure of the limiting ring plate in the embodiment of the application;

[0017] Figure 3 It is a schematic diagram of the structure of the rack plate in the embodiment of the application;

[0018] Figure 4 is a schematic diagram of the structure of the gear ring in the embodiment of the application;

[0019] Figure 5 is a schematic diagram of the cross-sectional structure of a fixed sleeve in an embodiment of the application;

[0020] Explanation of the accompanying drawings: 1. Equipment installation part; 2. Installation groove; 3. Shielding sheet main body; 4. Fixed inner cavity; 5. Gear ring; 6. Fixed groove; 7. Gear; 8. Sliding groove; 9. Rack plate; 10. Fixed sleeve; 11. Square groove; 12. Square block; 13. Spring; 14. Connecting plate; 15. Limit rod; 16. Limit ring plate; 17. Limit groove. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-5 This application is described in further detail.

[0022] The present application embodiment discloses a magnetic shielding sheet positioning device. Figure 1-5 A magnetic shielding sheet positioning device comprises an equipment installation part 1, a mounting groove 2 is provided in the middle of the top of the equipment installation part 1, a shielding sheet body 3 is placed inside the mounting groove 2, a fixed inner cavity 4 is provided at the bottom of the equipment installation part 1, a gear ring 5 is rotatably installed at the middle of the bottom end of the inner wall of the fixed inner cavity 4, a fixed groove 6 is provided near the four corners of the inner wall of the fixed inner cavity 4, gears 7 are rotatably installed at the upper and lower ends of the inner wall of the fixed groove 6, a sliding groove 8 is provided on one side of the inner wall of the gear 7, and a gear 7 is movably installed inside the sliding groove 8 Rack plate 9, the bottom of one side of the outer surface of the gear 7 moves close to the outer surface of the gear ring 5, one end of the rack plate 9 moves close to the top of one side of the outer surface of the gear 7, the gear ring 5 and the gear 7 are meshed with each other, the gear 7 and the rack plate 9 are meshed with each other, the volume of the rack plate 9 is smaller than the internal volume of the sliding groove 8, the edge of one end of the rack plate 9 extends to the inside of the shielding sheet body 3, the sliding groove 8 and the rack plate 9 are adapted to each other, and the middle part of the bottom end of the gear ring 5 extends to the outside of the equipment mounting part 1. A limiting mechanism is also provided for controlling the rotation of the gear ring 5.

[0023] By rotating the fixed sleeve 10 to drive the gear ring 5 to rotate, the gear ring 5 drives the multiple gears 7 to rotate along the inside of the fixed groove 6, and then the gear 7 drives the rack plate 9 to move along the inside of the sliding groove 8, so that the opening of the shielding sheet body 3 is opened, and the shielding sheet body 3 is placed in the installation groove 2. The connecting plate 14 is rotated again to drive the gear ring 5 to rotate in the opposite direction, and then the multiple rack plates 9 are adjusted to be movable and clamped at the opening of the installation groove 2, which reflects the limiting and fixing effect of the multiple rack plates 9 on the shielding sheet body 3.

[0024] Reference Figure 2 and Figure 5The limiting mechanism includes a fixed sleeve 10, which is welded to the middle part of the bottom end of the gear ring 5 and extends to the bottom of the equipment installation part 1. A square groove 11 is opened in the middle part of the bottom end of the fixed sleeve 10, and a square block 12 is movably installed inside the square groove 11. The cross-sectional area of ​​the square block 12 is smaller than the cross-sectional area of ​​the bottom end opening of the square groove 11. The square groove 11 and the square block 12 are embedded with each other. A spring 13 is sleeved on the outer surface of the square block 12. A connecting plate 14 is welded at the bottom end of the square block 12 extending to the outside of the fixed sleeve 10. A limiting rod 15 is symmetrically welded to the edge of one end of the connecting plate 14. The bottom end of the equipment installation part 1 is located on the outer surface of the fixed sleeve 10 and fixedly installed with a limiting ring plate 16. A plurality of limiting grooves 17 are opened at the bottom end of the limiting ring plate 16. The edge of one end of the limiting rod 15 extends to the inside of the limiting groove 17, and the limiting rod 15 and the limiting groove 17 are engaged with each other.

[0025] The limiting rod 15 is taken out of the limiting groove 17 by pulling the connecting plate 14, and the limiting of the limiting rod 15 in the limiting groove 17 is cancelled, thereby canceling the limiting of the fixed sleeve 10, so that the connecting plate 14 can drive the fixed sleeve 10 to rotate, and the square block 12 is reset and moved under the action of the spring 13 by loosening the connecting plate 14, so that the square block 12 shrinks to the inside of the square groove 11, and the limiting rod 15 is reinserted into the limiting groove 17 for limiting, so that the limiting grooves 17 at different positions control the connecting plate 14 to be limited and fixed as a whole, which reflects the overall limiting and fixing effect of the fixed sleeve 10.

[0026] The implementation principle of a magnetic shielding sheet positioning device according to an embodiment of the present application is as follows: the limiting rod 15 is removed from the limiting groove 17 by pulling the connecting plate 14, the limiting of the limiting rod 15 in the limiting groove 17 is cancelled, and then the limiting of the fixed sleeve 10 is cancelled, the connecting plate 14 and the fixed sleeve 10 are rotated to drive the gear ring 5 to rotate, so that the gear ring 5 drives the multiple gears 7 to rotate along the inside of the fixed groove 6, and then the gear 7 drives the rack plate 9 to move along the inside of the sliding groove 8, so that the opening of the shielding sheet body 3 is opened, the shielding sheet body 3 is placed in the installation groove 2, and the connecting plate 14 is rotated again to drive the gear ring 5 to rotate in the opposite direction, so as to adjust the movement of the multiple rack plates 9 It is clamped at the opening of the installation groove 2, and the connecting plate 14 is loosened to allow the square block 12 to reset and move under the action of the spring 13, so that the square block 12 shrinks to the inside of the square groove 11, and the limiting rod 15 is reinserted into the limiting groove 17, so that the limiting grooves 17 at different positions control the connecting plate 14 to be limited and fixed as a whole, thereby keeping the multiple rack plates 9 in a fixed state; compared with the prior art, this solution has the effect of facilitating the disassembly and assembly of the shielding sheet main body 3, improves the overall stability of the shielding sheet main body 3 after installation, solves the problem that the shielding sheet main body 3 is inconvenient to disassemble and assemble during installation, and improves the overall positioning and installation effect of the shielding sheet main body 3.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A magnetic shielding sheet positioning device, comprising an equipment mounting portion (1), characterized in that: A mounting groove (2) is provided in the middle of the top of the equipment mounting part (1), a shielding sheet main body (3) is placed inside the mounting groove (2), a fixed inner cavity (4) is provided in the bottom of the equipment mounting part (1), a gear ring (5) is rotatably installed in the middle of the bottom end of the inner wall of the fixed inner cavity (4), a fixed groove (6) is provided on the inner wall of the fixed inner cavity (4) near the four corners, gears (7) are rotatably installed at the upper and lower ends of the inner wall of the fixed groove (6), a sliding groove (8) is provided on one side of the inner wall of the gear (7), a rack plate (9) is movably installed inside the sliding groove (8), and a limiting mechanism is also provided at the middle of the bottom end of the gear ring (5) extending to the outside of the equipment mounting part (1), which is used to control the rotation of the gear ring (5).

2. A magnetic shielding sheet positioning device according to claim 1, characterized in that: The limiting mechanism comprises a fixed sleeve (10), the fixed sleeve (10) is welded to the middle of the bottom end of the gear ring (5) and extends to the bottom of the equipment installation part (1), a square groove (11) is opened in the middle of the bottom end of the fixed sleeve (10), a square block (12) is movably installed inside the square groove (11), a spring (13) is sleeved on the outer surface of the square block (12), the bottom end of the square block (12) extends to the outside of the fixed sleeve (10) and is welded with a connecting plate (14), and a limiting rod (15) is symmetrically welded to the edge of one end of the connecting plate (14).

3. A magnetic shielding sheet positioning device according to claim 1, characterized in that: The bottom of one side of the outer surface of the gear (7) moves close to the outer surface of the gear ring (5), and one end of the rack plate (9) moves close to the top of one side of the outer surface of the gear (7). The gear ring (5) and the gear (7) are meshed with each other, and the gear (7) and the rack plate (9) are meshed with each other.

4. A magnetic shielding sheet positioning device according to claim 1, characterized in that: The volume of the rack plate (9) is smaller than the internal volume of the sliding groove (8), one end edge of the rack plate (9) extends into the interior of the shielding sheet body (3), and the sliding groove (8) and the rack plate (9) are adapted to each other.

5. A magnetic shielding sheet positioning device according to claim 2, characterized in that: A limiting ring plate (16) is fixedly installed at the bottom end of the equipment installation part (1) on the outer surface of the fixed sleeve (10), a plurality of limiting grooves (17) are provided at the bottom end of the limiting ring plate (16), one end edge of the limiting rod (15) extends into the limiting groove (17), and the limiting rod (15) and the limiting groove (17) are engaged with each other.

6. A magnetic shielding sheet positioning device according to claim 2, characterized in that: The cross-sectional area of ​​the square block (12) is smaller than the cross-sectional area of ​​the bottom opening of the square groove (11), and the square groove (11) and the square block (12) are interlocked.

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