CN218959385U

CN218959385U - Electromagnetic shielding component

Info

Publication number: CN218959385U
Application number: CN202223419527.7U
Authority: CN
Inventors: 田吉荣
Original assignee: Suzhou Witkey Information Technology Co ltd
Current assignee: Suzhou Witkey Information Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-02
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses an electromagnetic shielding component, which comprises a metal frame and a connecting unit; metal frame: the front end and the rear end of the inside of the metal frame are respectively provided with a cold-rolled steel plate, the rear side surface of the cold-rolled steel plate at the front side is provided with a copper foil layer, the front side surface of the cold-rolled steel plate at the rear side is provided with a copper wire shielding net layer, the middle part of the metal frame is provided with a foam plate, the foam plate is positioned between the copper foil layer and the copper wire shielding net layer, the left end of the front side surface of the metal frame is provided with a connecting plate, the right end of the front side surface of the metal frame is symmetrically provided with cylinders, and the cylinders are matched with the connecting plate; a connection unit: set up in the leading flank of connecting plate, the cylinder all sets up with the connecting unit cooperation, and the connecting unit includes slide and draw runner, and the slide symmetry sets up in the leading flank of connecting plate, and the equal sliding connection in inside of slide has the draw runner, and this electromagnetic shield component can splice the use, and it is good to connect convenient to use convenience, and the connectivity is good simultaneously, has good electromagnetic shield effect.

Description

Electromagnetic shielding component

Technical Field

The utility model relates to the technical field of electromagnetic shielding chambers, in particular to an electromagnetic shielding component.

Background

The electromagnetic shielding room has the effects of blocking external electromagnetic interference, ensuring normal operation of indoor electronic and electric equipment, preventing information leakage of electronic communication equipment, ensuring information safety, and being provided with four major types of steel plate assembly type, steel plate welding type, steel plate direct-attaching type and copper mesh type, wherein the assembly type is formed by assembling steel plate modules with the thickness of 1.5 mm, the production and installation processes are simpler, the spliced metal frame body is fixed by using bolts, and then a sealed box body structure is formed, but two adjacent electromagnetic shielding members are mutually independent and cannot be connected in the splicing process, and then the two adjacent electromagnetic shielding members are generally provided with gaps after installation, so that electromagnetic waves are easy to penetrate, and the shielding effect of the electromagnetic waves is influenced.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the electromagnetic shielding component which can be spliced for use, is convenient to connect and good in use convenience, has good connection tightness and good electromagnetic shielding effect, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an electromagnetic shielding member includes a metal frame and a connection unit;

metal frame: the front end and the rear end of the inside of the metal frame are respectively provided with a cold-rolled steel plate, the rear side surface of the cold-rolled steel plate at the front side is provided with a copper foil layer, the front side surface of the cold-rolled steel plate at the rear side is provided with a copper wire shielding net layer, the middle part of the metal frame is provided with a foam plate, the foam plate is positioned between the copper foil layer and the copper wire shielding net layer, the left end of the front side surface of the metal frame is provided with a connecting plate, the right end of the front side surface of the metal frame is symmetrically provided with cylinders, and the cylinders are matched with the connecting plate;

a connection unit: set up in the leading flank of connecting plate, the cylinder all sets up with the connecting unit cooperation, can splice two electromagnetic shield components in the use to can promote two electromagnetic shield components to be close to each other in the in-process of concatenation and squeeze tightly, and then guarantee the leakproofness when electromagnetic shield component connects, and then have good electromagnetic shield effect, connect simple to operate simultaneously, convenient to use is good.

Further, the connecting unit comprises a sliding seat and sliding strips, the sliding seat is symmetrically arranged on the front side face of the connecting plate, the sliding strips are connected to the inner portion of the sliding seat in a sliding mode, and the sliding strips are matched with the cylinders, so that connection of the two metal frames is facilitated.

Further, the connecting unit still includes support column, synchronizing disc and projection, the support column passes through the bearing and rotates the middle part of being connected in the connecting plate leading flank, and the front end of support column extrados is equipped with the synchronizing disc, and the one end that the draw runner leading flank is close to the support column all is equipped with the projection, and the projection respectively with the slide hole sliding connection of synchronizing disc, the removal of convenient drive draw runner.

Further, the connecting unit further comprises a hexagonal column, and the hexagonal column is arranged at the front end of the supporting column, so that the supporting column can be conveniently driven to rotate.

Further, the left side face of the sliding strip is symmetrically provided with grooves, the left side face of the sliding seat is provided with spring pieces, and the grooves are matched with the adjacent spring pieces, so that locking of the sliding strip is facilitated.

Furthermore, the front end of the cylinder is provided with baffle plates which are matched with the connecting plate, so that the longitudinal positioning of the two metal frames is facilitated.

Further, the left side face and the right side face of the metal frame are respectively provided with a conductive rubber pad, so that the tightness in splicing is improved.

Compared with the prior art, the utility model has the beneficial effects that: the electromagnetic shielding component has the following advantages:

can splice polylith electromagnetic shield component when using, splice into the side wall of electromagnetic shield room, when two adjacent metal frames splice, with left side metal frame and right side metal frame are close, and then left side cylinder will move to the inside of the connecting plate open slot on right side, the separation blade on left side will be located the front side of connecting plate on right side simultaneously, then use spanner rotation right side hexagonal post rotatory, the hexagonal post on right side drives the synchronizing disc through the support column and carries out anticlockwise rotation, the slide hole that the synchronizing disc slope set up will take place relative slip with the projection, the synchronizing disc will promote the projection to keeping away from the direction at support column center and remove, and then the projection drives the draw runner along the slide to keeping away from the direction at support column center and remove, and then the draw runner gradually with adjacent cylinder contact, the end of draw runner is equipped with the chamfer, the draw runner will promote the support column on the metal frame on the left side and remove to the right, and then left side's support column will drive the metal frame and remove to the right, then left side's metal frame is to two conductive rubber pads in the middle under the effect of the metal frame on right side, and guarantee that two conductive rubber pads are connected at the side, and can guarantee that two seal members are tight when the electromagnetic shield is connected, and electromagnetic shield is convenient to use, and the electromagnetic shield is connected to the seal between the two side.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a connection unit of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: 1 metal frame, 2 cold-rolled steel sheet, 3 copper foil layer, 4 copper wire shielding net layer, 5 foam board, 6 cylinder, 7 separation blade, 8 connecting plate, 9 connecting unit, 91 slide, 92 draw runner, 93 support column, 94 synchronous dish, 95 convex column, 96 hexagonal post, 10 recess, 11 spring leaf, 12 conductive rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: an electromagnetic shielding member includes a metal frame 1 and a connection unit 9;

metal frame 1: the front and rear ends of the inside of the metal frame are respectively provided with a cold-rolled steel plate 2, the metal frame 1 provides mounting positions for parts in the metal frame, the rear side surface of the cold-rolled steel plate 2 on the front side is provided with a copper foil layer 3, the front side surface of the cold-rolled steel plate 2 on the rear side is provided with a copper wire shielding net layer 4, the middle part of the metal frame 1 is provided with a foam plate 5, the foam plate 5 is positioned between the copper foil layer 3 and the copper wire shielding net layer 4, the foam plate 5 provides support for the shielding layer, the left end of the front side surface of the metal frame 1 is provided with a connecting plate 8, the right end of the front side surface of the metal frame 1 is symmetrically provided with a cylinder 6, the cylinders 6 are matched with the connecting plate 8, the front end of the cylinder 6 is provided with a baffle 7, the baffle 7 is matched with the connecting plate 8, a plurality of electromagnetic shielding members can be spliced when in use, and the side walls of an electromagnetic shielding chamber are spliced, when two adjacent metal frames 1 are spliced, the left metal frame 1 is aligned with the right metal frame 1, then the left cylinder 6 moves to the inside of an opening groove of the right connecting plate 8, meanwhile, the left baffle 7 is positioned at the front side of the right connecting plate 8, the left side surface and the right side surface of the metal frame 1 are respectively provided with a conductive rubber pad 12, the conductive rubber pads 12 are graphite nickel-plated conductive rubber sheets, the left metal frame 1 extrudes the middle two conductive rubber pads 12 under the action of the right metal frame 1, so that the tightness of the connection of the two metal frames 1 is ensured, the conductive rubber pads 12, the metal frame 1, the cold-rolled steel plate 2, the copper foil layer 3 and the copper wire shielding net layer 4 form a good integral conductive shielding surface, and the metal frame 1 is composited by a plurality of layers of conductors, so that a good electromagnetic shielding effect is achieved;

connection unit 9: the cylinder 6 is arranged on the front side surface of the connecting plate 8, the cylinders 6 are matched with the connecting unit 9, the connecting unit 9 comprises a sliding seat 91 and sliding strips 92, the sliding seat 91 is symmetrically arranged on the front side surface of the connecting plate 8, the sliding strips 92 are slidably connected in the sliding seat 91, the sliding strips 92 are matched with the cylinders 6, the connecting unit 9 further comprises a supporting column 93, a synchronizing disc 94 and a convex column 95, the supporting column 93 is rotatably connected to the middle part of the front side surface of the connecting plate 8 through a bearing, the synchronizing disc 94 is arranged at the front end of the outer cambered surface of the supporting column 93, convex columns 95 are respectively slidably connected with sliding holes of the synchronizing disc 94 at one end of the front side surface of the sliding strips 92, the connecting unit 9 further comprises hexagonal columns 96, the hexagonal columns 96 are arranged at the front end of the supporting column 93, the hexagonal columns 96 on the right side are rotated by using a wrench, the hexagonal columns 96 on the right side drive the synchronizing disc 94 to rotate anticlockwise through the supporting column 93, the slide hole obliquely arranged on the synchronous disc 94 slides relative to the convex column 95, the synchronous disc 94 pushes the convex column 95 to move in a direction away from the center of the support column 93, the convex column 95 drives the slide bar 92 to move along the slide seat 91 in a direction away from the center of the support column 93, the slide bar 92 gradually contacts with the adjacent cylinder 6, the end of the slide bar 92 is provided with a chamfer, along with the movement of the slide bar 92, the slide bar 92 pushes the support column 93 on the left metal frame 1 to move rightwards, the left support column 93 drives the left metal frame 1 to move rightwards, grooves 10 are symmetrically formed on the left side surface of the slide bar 92, spring pieces 11 are arranged on the left side surface of the slide seat 91, the grooves 10 are matched with the adjacent spring pieces 11, the slide bar 92 drives the grooves 10 on the surface of the slide bar to synchronously move, the grooves 10 are separated from the spring pieces 11, elastic deformation occurs on the spring pieces 11, the spring piece 11 and the side face of the sliding strip 92 slide relatively, then the head of the spring piece 11 moves into the groove 10 close to the supporting column 93, and the spring piece 11 can increase friction force when the sliding strip 92 moves, so that free movement of the sliding strip 92 is conveniently limited.

The working principle of the electromagnetic shielding component provided by the utility model is as follows: when the electromagnetic shielding chamber is used, a plurality of electromagnetic shielding members can be spliced to form the side wall of the electromagnetic shielding chamber, when two adjacent metal frames 1 are spliced, the left metal frame 1 is aligned with the right metal frame 1, then the left cylinder 6 moves to the inside of an open slot of the right connecting plate 8, meanwhile, the left baffle 7 rotates the front side of the right connecting plate 8 by using a wrench, then the right hexagonal column 96 rotates by using the wrench, the right hexagonal column 96 drives the synchronous disc 94 to rotate anticlockwise by using the supporting column 93, the slide hole obliquely arranged by the synchronous disc 94 slides relatively with the convex column 95, the synchronous disc 94 pushes the convex column 95 to move in a direction away from the center of the supporting column 93, the convex column 95 drives the slide bar 92 to move in a direction away from the center of the supporting column 93 along the sliding seat 91, and then the slide bar 92 gradually contacts with the adjacent cylinder 6, the end of the slide bar 92 is provided with a chamfer, along with the movement of the slide bar 92, the slide bar 92 pushes a support column 93 on the left metal frame 1 to move rightwards, then the left support column 93 drives the left metal frame 1 to move rightwards, then the left metal frame 1 extrudes two middle conductive rubber gaskets 12 under the action of the right metal frame 1, so that the tightness of the connection of the two metal frames 1 is ensured, along with the movement of the slide bar 92, the vertical plane of the slide bar 92 is contacted with a cylinder 6, then self-locking can be carried out, meanwhile, the slide bar 92 drives a groove 10 on the surface of the slide bar 92 to synchronously move, the groove 10 is separated from a spring piece 11, the spring piece 11 elastically deforms, the side surface of the spring piece 11 and the side surface of the slide bar 92 slide relatively slide, then the head of the spring piece 11 moves into the groove 10 close to the support column 93, and then the spring piece 11 can increase the friction force during the movement of the slide bar 92, the free movement of the slide bar 92 is conveniently limited, then the electromagnetic shielding wall can be formed by splicing in sequence, the conductive rubber pad 12, the metal frame 1, the cold-rolled steel plate 2, the copper foil layer 3 and the copper wire shielding net layer 4 can form a good integral conductive shielding surface, and the electromagnetic shielding wall has a multi-layer conductor composite composition, so that a good electromagnetic shielding effect is achieved.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. An electromagnetic shielding member characterized by: comprises a metal frame (1) and a connecting unit (9);

metal frame (1): the front end and the rear end of the inside of the metal frame are respectively provided with a cold-rolled steel plate (2), the rear side face of the cold-rolled steel plate (2) at the front side is provided with a copper wire shielding net layer (4), the middle part of the metal frame (1) is provided with a foam plate (5), the foam plate (5) is positioned between the copper foil layer (3) and the copper wire shielding net layer (4), the left end of the front side face of the metal frame (1) is provided with a connecting plate (8), the right end of the front side face of the metal frame (1) is symmetrically provided with cylinders (6), and the cylinders (6) are matched with the connecting plate (8);

connection unit (9): the cylinder (6) is arranged on the front side surface of the connecting plate (8) in a matched mode with the connecting unit (9).

2. An electromagnetic shielding member according to claim 1, wherein: the connecting unit (9) comprises a sliding seat (91) and sliding strips (92), the sliding seat (91) is symmetrically arranged on the front side surface of the connecting plate (8), the sliding strips (92) are connected inside the sliding seat (91) in a sliding mode, and the sliding strips (92) are matched with the cylinders (6).

3. An electromagnetic shielding member according to claim 2, wherein: the connecting unit (9) further comprises a supporting column (93), a synchronizing disc (94) and a convex column (95), the supporting column (93) is rotationally connected to the middle of the front side surface of the connecting plate (8) through a bearing, the synchronizing disc (94) is arranged at the front end of the outer cambered surface of the supporting column (93), the convex column (95) is arranged at one end, close to the supporting column (93), of the front side surface of the sliding strip (92), and the convex column (95) is respectively connected with the sliding hole of the synchronizing disc (94) in a sliding mode.

4. An electromagnetic shielding member according to claim 3, wherein: the connecting unit (9) further comprises a hexagonal column (96), and the hexagonal column (96) is arranged at the front end of the supporting column (93).

5. An electromagnetic shielding member according to claim 2, wherein: grooves (10) are symmetrically formed in the left side faces of the sliding strips (92), spring pieces (11) are arranged on the left side faces of the sliding seats (91), and the grooves (10) are matched with the adjacent spring pieces (11).

6. An electromagnetic shielding member according to claim 1, wherein: the front end of cylinder (6) all is equipped with separation blade (7), separation blade (7) all set up with connecting plate (8) cooperation.

7. An electromagnetic shielding member according to claim 1, wherein: the left side surface and the right side surface of the metal frame (1) are respectively provided with a conductive rubber pad (12).