CN219612484U - Protective cabinet with electromagnetic wave shielding structure - Google Patents

Abstract

The utility model discloses a protective cabinet with an electromagnetic wave shielding structure, which comprises a cabinet body, wherein a cabinet door for opening or sealing the cabinet body is arranged in front of the cabinet body, L-shaped plates are arranged on two sides of the cabinet door in front of the cabinet body, a limiting channel is formed between each L-shaped plate and the cabinet body, a cylinder body is arranged above the cabinet body, a shaft rod is arranged in the cylinder body, a strip-shaped opening is arranged on the bottom surface of the cylinder body, an electromagnetic shielding film is coiled on the shaft rod, the other end of the electromagnetic shielding film extends to the outside through the strip-shaped opening, a fixing strip is arranged on the bottom surface of the electromagnetic shielding film, two sides of the fixing strip and the electromagnetic shielding film are inserted into the limiting channel, and a plurality of positioning components are arranged at the lower end of the cabinet door in front of the cabinet body. The electromagnetic shielding device is simple in structure, the gap between the cabinet door and the cabinet body can be covered by pulling down the electromagnetic shielding film, external electromagnetic radiation can be effectively prevented from leaking, the electromagnetic shielding film can be pressed by the second compression spring, the compactness between the electromagnetic shielding film and the cabinet door is improved, and the protection effect is improved.

Description

Protective cabinet with electromagnetic wave shielding structure

Technical Field

The utility model relates to the technical field of cabinets, in particular to a protective cabinet with an electromagnetic wave shielding structure.

Background

Along with the coming of big data age, the secret mode of information becomes more important, standardized equipment cabinet is used for depositing, standardizing, protecting, integrated installation all kinds of equipment on the market, the common traditional equipment cabinet possesses standardized, modularized characteristics, can satisfy the normal installation of solving equipment in the cabinet and ventilation heat dissipation demand, but equipment in the cabinet is not only produced heat when the operation and traditional equipment cabinet is communication technology in the application, computer technology, control technology and sensing technology are the most central part in whole information technology, after the people deepen the electromagnetic leakage emission hazard to secret information system gradually in subsequent development, begin to adopt various means of preventing electromagnetic leakage emission in a large number, including construction electromagnetic shielding room, lay optical cable and shielding paired line, use low radiation equipment, red black power isolation socket, shielding cabinet has small, simple to operate, use nimble characteristics, be particularly suitable for the occasion that is unsuitable for installing electromagnetic shielding room and needs to provide protection to information equipment again.

The traditional electromagnetic shielding cabinet adopts an upper cover, left and right side plates, a rear plate and a front door, so that the shielding performance depends on the shielding function of the front door, because the surrounding frames are all of fixed designs except the front door, the surrounding frames are only required to be provided with corresponding shielding materials, the door is in a movable part, and small gaps exist during installation, after the door is filled with shielding materials, the door is opened and closed for a long time, the shielding materials can loose, the shielding effect is weakened, and the like, so that electromagnetic leakage emission of information storage and processing equipment such as computers, network servers, network switches and the like in the cabinet cannot be effectively restrained, the information security is poor, and maintenance personnel of the electromagnetic shielding cabinet are also easily damaged by electromagnetic radiation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a protective cabinet with an electromagnetic wave shielding structure, wherein a gap between a cabinet door and a cabinet body can be covered by an electromagnetic shielding film, so that electromagnetic leakage is avoided.

The utility model is realized by the following technical scheme: the utility model provides a protection rack with shielding electromagnetic wave structure, includes the cabinet body, the place ahead of the cabinet body is equipped with the cabinet door of opening or sealed cabinet body, L template is all installed to the place ahead of the cabinet body, all form spacing passageway between L template and the cabinet body, the top of the cabinet body is equipped with the barrel, the inside axostylus axostyle that is equipped with of barrel, be equipped with the bar mouth on the bottom surface of barrel, it is equipped with electromagnetic shielding membrane to coil on the axostylus axostyle, the electromagnetic shielding membrane other end passes the bar mouth and extends to the external world, install the fixed strip on the bottom surface of electromagnetic shielding membrane, in the spacing passageway is all inserted to the both sides of fixed strip and electromagnetic shielding membrane, the place ahead of the cabinet body is located the lower extreme department of cabinet door and is equipped with a plurality of locating component.

As the preferred technical scheme, locating component all includes locating lever and first compression spring, and the front position of the cabinet body is equipped with a plurality of mounting grooves in the lower extreme department of cabinet door, and locating lever one end all inserts in the mounting groove to all with the one end fixed connection of first compression spring, the other end of first compression spring all installs on the internal face of mounting groove, be equipped with a plurality of locating holes with locating lever assorted on the fixed strip.

As the preferred technical scheme, be equipped with a plurality of recesses on the medial surface of L template, all be equipped with the installation piece in the opening of recess, all install second compression spring between installation piece and the recess, all be equipped with the ball groove on the lateral surface of installation piece, all movable mounting has the spheroid in the ball groove, and a part of spheroid all extends to the external world along the opening in ball groove to all contradict with electromagnetic shielding film.

As the preferable technical scheme, the inside both ends of barrel all are equipped with the circular slot, all are equipped with the clockwork spring in the circular slot, and the outer lane of clockwork spring all is installed on the internal face of circular slot, and the both ends of axostylus axostyle all are installed in the inner lane of clockwork spring.

As the preferred technical scheme, the connecting plate is installed at the rear of barrel, is equipped with a plurality of fixed orifices on the connecting plate, and the top surface of the cabinet body just forms connecting portion to the equal protrusion of fixed orifices department, all installs the double-screw bolt perpendicularly on the connecting portion, and the fixed orifices is all passed to the double-screw bolt upper end to equal threaded connection has the nut, and the connecting plate is all fixed in on the connecting portion through nut locking.

The beneficial effects of the utility model are as follows: the utility model has simple structure, can cover the gap between the cabinet door and the cabinet body by pulling down the electromagnetic shielding film, effectively block the electromagnetic radiation from leaking, and can see the display equipment on the cabinet door clearly through the electromagnetic shielding film without influencing the recording of data, and the electromagnetic shielding film can be rolled up without influencing the opening of the cabinet door.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the structure of an L-shaped plate according to the present utility model;

fig. 3 is a schematic view of the installation structure of the cylinder body in the present utility model.

1, a cabinet body; 2. a cabinet door; 3. an L-shaped plate; 4. a cylinder; 5. an electromagnetic shielding film; 6. a fixing strip; 7. positioning holes; 8. a positioning rod; 9. a mounting block; 11. a sphere; 12. a connection part; 13. a connecting plate; 14. a stud; 15. a nut; 16. and a shaft lever.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, fig. 2 and fig. 3, the protective cabinet with electromagnetic wave shielding structure comprises a cabinet body 1, a cabinet door 2 for opening or sealing the cabinet body 1 is arranged in front of the cabinet body 1, an L-shaped plate 3 is arranged on two sides of the cabinet door 2 in front of the cabinet body 1, a limiting channel is formed between the L-shaped plate 3 and the cabinet body 1, a cylinder body 4 is arranged above the cabinet body 1, a shaft lever 16 is arranged inside the cylinder body 4, a strip-shaped opening is arranged on the bottom surface of the cylinder body 4, an electromagnetic shielding film 5 is coiled on the shaft lever 16, the other end of the electromagnetic shielding film 5 extends to the outside through the strip-shaped opening, a fixing strip 6 is arranged on the bottom surface of the electromagnetic shielding film 5, two sides of the fixing strip 6 and the electromagnetic shielding film 5 are inserted into the limiting channel, and a plurality of positioning components are arranged at the lower end of the cabinet door 2 in front of the cabinet body 1.

In this embodiment, the locating component all includes locating lever 8 and first compression spring, and the front position of cabinet body 1 is equipped with a plurality of mounting grooves in the lower extreme department of cabinet door 2, and locating lever 8 one end all inserts in the mounting groove to all with the one end fixed connection of first compression spring, the other end of first compression spring all installs on the internal face of mounting groove, be equipped with a plurality of locating holes 7 with locating lever 8 assorted on the fixed strip 6.

In this embodiment, be equipped with a plurality of recesses on the medial surface of L template 3, all be equipped with installation piece 9 in the opening of recess, all install the second compression spring between installation piece 9 and the recess, all be equipped with the ball groove on the lateral surface of installation piece 9, all movable mounting has spheroid 11 in the ball groove, and spheroid 11 part all extends to the external world along the opening in ball groove to all contradict with electromagnetic shielding film 5.

In this embodiment, both ends inside the cylinder 4 are all provided with circular grooves, the circular grooves are all provided with springs, the outermost rings of the springs are all installed on the inner wall surfaces of the circular grooves, and both ends of the shaft lever 16 are all installed in the innermost rings of the springs.

In this embodiment, a connecting plate 13 is installed at the rear of the cylinder 4, a plurality of fixing holes are formed in the connecting plate 13, the top surface of the cabinet body 1 is protruded to the fixing holes to form a connecting portion 12, studs 14 are vertically installed on the connecting portion 12, the upper ends of the studs 14 penetrate through the fixing holes and are in threaded connection with nuts 15, and the connecting plate 13 is locked and fixed on the connecting portion 12 through the nuts 15.

When the electromagnetic shielding film is not in use, the fixing strip can be pulled downwards, the electromagnetic shielding film is pulled out of the cylinder body by the movement of the fixing strip, the positioning rod can be extruded inwards after the fixing strip moves to the lower side, the fixing strip can be moved to the upper end of the positioning rod after the positioning rod is retracted into the mounting groove, the positioning rod is opposite to the positioning hole, the positioning rod can be ejected outwards by the rebound of the first compression spring, and the positioning rod can be inserted into the positioning hole to position the pulled electromagnetic shielding film;

after the electromagnetic shielding film passes through the L-shaped plate, the electromagnetic shielding film is extruded by a second compression spring, the extrusion of the second compression spring can drive the mounting block and the ball body, the edge of the electromagnetic shielding film can be abutted against the outer wall surface of the cabinet body through the ball body, the compactness between the electromagnetic shielding film and the cabinet body is improved, the protection effect is ensured, and the friction is reduced through the rolling of the ball body;

wherein, the display equipment on the cabinet door can be seen clearly through the electromagnetic shielding film, and the data can be recorded;

when the electromagnetic shielding film is not used, the positioning rod can be extruded again, after the positioning rod is moved out of the positioning hole, the electromagnetic shielding film can be pulled upwards through torsion of the spring, so that the electromagnetic shielding film is taken into the cylinder, after the blocking of the electromagnetic shielding film is lost, the cabinet door can be blocked smoothly, and when the electromagnetic shielding film is not used, the electromagnetic shielding film can be stored in the cylinder, and the service life of the electromagnetic shielding film is reduced.

After the electromagnetic shielding film is damaged, the nut can be unscrewed, so that the cylinder and the connecting plate can be removed from the connecting part and replaced, and the shielding effect is ensured.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (5)

1. The utility model provides a protection rack with shielding electromagnetic wave structure which characterized in that: including cabinet body (1), the place ahead of cabinet body (1) is equipped with opens or cabinet door (2) of sealed cabinet body (1), L template (3) are all installed in the both sides of cabinet door (2) in the place ahead of cabinet body (1), all form spacing passageway between L template (3) and cabinet body (1), the top of cabinet body (1) is equipped with barrel (4), barrel (4) inside is equipped with axostylus axostyle (16), be equipped with the bar mouth on the bottom surface of barrel (4), it is equipped with electromagnetic shielding membrane (5) to coil on axostylus axostyle (16), the other end of electromagnetic shielding membrane (5) passes the bar mouth and extends to the external world, install fixed strip (6) on the bottom surface of electromagnetic shielding membrane (5), in the both sides of fixed strip (6) and electromagnetic shielding membrane (5) all insert spacing passageway, the place ahead of cabinet body (1) is equipped with a plurality of locating components in the lower extreme department of cabinet door (2).

2. The protective cabinet with electromagnetic wave shielding structure according to claim 1, wherein: the positioning assembly comprises a positioning rod (8) and a first compression spring, a plurality of mounting grooves are formed in the front of the cabinet body (1) at the lower end of the cabinet door (2), one end of the positioning rod (8) is inserted into the mounting grooves and fixedly connected with one end of the first compression spring, the other end of the first compression spring is mounted on the inner wall surface of the mounting grooves, and a plurality of positioning holes (7) matched with the positioning rod (8) are formed in the fixing strip (6).

3. The protective cabinet with electromagnetic wave shielding structure according to claim 1, wherein: be equipped with a plurality of recesses on the medial surface of L template (3), all be equipped with installation piece (9) in the opening of recess, all install second compression spring between installation piece (9) and the recess, all be equipped with the ball groove on the lateral surface of installation piece (9), equal movable mounting has spheroid (11) in the ball groove, and spheroid (11) are partly all along the opening in ball groove to external world all to all contradict with electromagnetic shielding film (5).

4. The protective cabinet with electromagnetic wave shielding structure according to claim 1, wherein: both ends inside barrel (4) all are equipped with the circular slot, all are equipped with the clockwork spring in the circular slot, and the outer lane of clockwork spring is all installed on the internal face in circular slot, and the both ends of axostylus axostyle (16) are all installed in the inner circle of clockwork spring.

5. The protective cabinet with electromagnetic wave shielding structure according to claim 1, wherein: the connecting plate (13) is installed at the rear of barrel (4), is equipped with a plurality of fixed orificess on connecting plate (13), and the top surface of cabinet body (1) just is to fixed orifices department all protrusion formation connecting portion (12), all installs double-screw bolt (14) perpendicularly on connecting portion (12), and fixed orifices are all passed to double-screw bolt (14) upper end to equal threaded connection has nut (15), and connecting plate (13) are all fixed in on connecting portion (12) through nut (15) locking.