Electromagnetic shielding cabinet

Abstract

The present invention discloses an electromagnetic shielding cabinet, comprising a cabinet body, one side of the cabinet body is rotatably connected with a cabinet door, both side walls of the cabinet body are fixedly connected with a fixed cylinder, both fixed cylinders are slidably connected with a support rod, both fixed cylinders are provided with a first spring inside, one end of the first spring is connected to the inner bottom wall of the fixed cylinder, and the other end of the first spring is connected to the support rod, both side walls of the support rods are provided with mounting holes, both mounting holes are provided with locking mechanisms, both side walls of the fixed cylinders are penetrated with a card slot corresponding to the locking mechanism, both card slots are provided with a push rod, a trigger mechanism is provided between the two support rods, and the trigger mechanism includes a floating plate, and both ends of the floating plate are fixedly connected with a movable sliding sleeve. The present invention can lift the cabinet when flooded, and can achieve effective sealing of the cabinet to prevent the cabinet from being threatened by flooding.

Description

Technical Field

[0001] The present invention relates to the technical field of shielding cabinets, and in particular to an electromagnetic shielding cabinet. Background Art

[0002] Electromagnetic shielding cabinets can be used to place computers, which can prevent electromagnetic waves from causing personal injury, effectively suppress electromagnetic information leakage in computers, and prevent strong external electromagnetic interference from affecting the normal operation of computers. However, existing electromagnetic shielding cabinets generally do not have the function of flood protection. When electromagnetic shielding cabinets are used in some low-lying areas, when flooding or waterlogging occurs, the electromagnetic shielding cabinets will be threatened by flooding and water will enter, causing damage to internal equipment and losses. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings in the prior art and to propose an electromagnetic shielding cabinet.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An electromagnetic shielding cabinet comprises a cabinet body, one side of the cabinet body is rotatably connected to a cabinet door, both side walls of the cabinet body are fixedly connected to fixed cylinders, two fixed cylinders are slidably connected to support rods, first springs are arranged inside the two fixed cylinders, one end of the first spring is connected to the inner bottom wall of the fixed cylinder, and the other end of the first spring is connected to the support rod, mounting holes are arranged on the side walls of the two support rods, locking mechanisms are arranged in the two mounting holes, card slots corresponding to the locking mechanisms are penetrated on the side walls of the two fixed cylinders, push rods are arranged in the two card slots, a trigger mechanism is arranged between the two support rods, and the trigger mechanism comprises a floating plate , both ends of the floating plate are fixedly connected with a movable sleeve, and the two movable sleeves are respectively slidably sleeved on the two support rods, and the upper end of the floating plate is fixedly connected with two abutments, and the two abutments correspond to the positions of the two abutments respectively, and the upper ends of the abutments are inclined structures, and the upper ends of the two fixed cylinders are provided with an inflation mechanism, and the side wall of the cabinet door is provided with a sealing groove along its circumference, and the inner side wall of the cabinet body is provided with a placement groove along its circumference, and an expansion airbag ring is fixedly connected to the inner wall of the placement groove, and the expansion airbag ring is connected with two air intake pipes, and the air intake pipes penetrate the inner wall of the placement groove and extend to the outside of the cabinet body, and the two air intake pipes are respectively connected to the two inflation mechanisms.

[0006] Preferably, the locking mechanism includes a card block arranged in the mounting hole, one end of the card block is connected to a second spring, one end of the second spring away from the card block is connected to the inner bottom wall of the mounting hole, and one end of the card block away from the second spring passes through the mounting hole and extends into the card slot.

[0007] Preferably, the inflation mechanism includes a piston cylinder fixedly connected to the upper end of the fixed cylinder, a piston rod is provided in the piston cylinder, the upper end of the piston rod is fixedly connected to a connecting rod, the end of the connecting rod away from the piston rod is fixedly connected to the side wall of the support rod, the side wall of the piston cylinder is connected to an air outlet pipe, and the air outlet pipe is connected to the air inlet pipe.

[0008] Preferably, the floating board is a foam board.

[0009] Preferably, a non-slip rubber pad is provided at the lower end of the support rod.

[0010] In the present invention, when in use, when flooded, the buoyancy of the floating plate in the water lifts the floating plate, and when the resisting block contacts the resisting rod, the resisting block presses the resisting rod to move, and then the blocking block is pushed out of the card slot by the resisting rod. At this time, the elastic force of the first spring in a compressed state lifts the fixed cylinder, and then the cabinet is lifted to a higher height to avoid the threat of flooding. When the fixed cylinder rises, the connecting rod is fixedly connected to the support rod, and then the gas in the piston cylinder is compressed by the piston rod, and the compressed gas enters the expansion airbag ring, so that the expansion airbag ring expands and adheres to the inner wall of the sealing groove, thereby achieving sealing between the cabinet and the cabinet door, and further preventing the cabinet from being flooded. The present invention can lift the cabinet when flooded, and can achieve effective sealing of the cabinet, avoiding the threat of flooding. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural schematic diagram of an electromagnetic shielding cabinet proposed by the present invention;

[0012] Figure 2 This is a schematic structural diagram of an expansion airbag ring of an electromagnetic shielding cabinet proposed by the present invention;

[0013] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0014] In the figure: 1 cabinet body, 2 cabinet door, 3 floating plate, 4 block, 5 movable sliding sleeve, 6 support rod, 7 fixed cylinder, 8 first spring, 9 connecting rod, 10 air outlet pipe, 11 piston cylinder, 12 piston rod, 13 sealing groove, 14 placement groove, 15 air inlet pipe, 16 expansion airbag ring, 17 block, 18 slot, 19 block, 20 mounting hole, 21 second spring. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] Reference Figure 1-3, an electromagnetic shielding cabinet, comprising a cabinet body 1, a cabinet door 2 is rotatably connected to one side of the cabinet body 1, a fixing cylinder 7 is fixedly connected to both side walls of the cabinet body 1, a support rod 6 is slidably connected to the two fixing cylinders 7, a first spring 8 is arranged inside the two fixing cylinders 7, one end of the first spring 8 is connected to the inner bottom wall of the fixing cylinder 7, and the other end of the first spring 8 is connected to the support rod 6, a mounting hole 20 is arranged on the side wall of the two support rods 7, a locking mechanism is arranged in the two mounting holes 20, a card slot 18 corresponding to the locking mechanism is penetrated on the side wall of the two fixing cylinders 7, a push rod 17 is arranged in the two card slots 18, a trigger mechanism is arranged between the two support rods 6, and the trigger mechanism includes a floating plate 3, a floating plate Both ends of 3 are fixedly connected with movable sleeves 5, and the two movable sleeves 5 are respectively slidably sleeved on the two support rods 6. The upper end of the floating plate 3 is fixedly connected with two abutments 4, and the two abutments 4 correspond to the positions of the two abutments 17 respectively, and the upper ends of the abutments 4 are inclined structures. The upper ends of the two fixed cylinders 7 are provided with inflation mechanisms. The side walls of the cabinet door 2 are provided with sealing grooves 13 along their circumferences, and the inner side walls of the cabinet body 1 are provided with placement grooves 14 along their circumferences. An inflatable airbag ring 16 is fixedly connected to the inner wall of the placement groove 14, and the inflatable airbag ring 16 is connected to two air inlet pipes 15. The air inlet pipes 15 penetrate the inner wall of the placement groove 14 and extend to the outside of the cabinet body 1. The two air inlet pipes 15 are respectively connected to the two inflation mechanisms.

[0017] In the present invention, the locking mechanism includes a block 19 arranged in the mounting hole 20, one end of the block 19 is connected to the second spring 21, and the end of the second spring 21 away from the block 19 is connected to the inner bottom wall of the mounting hole 20, and the end of the block 19 away from the second spring 21 passes through the mounting hole 20 and extends into the slot 18. When in use, when flooded, the buoyancy of the floating plate 3 in the water lifts the floating plate 3, and when the block 4 contacts the push rod 17, the push rod 17 is moved by the block 4, and then the block 19 is pushed out of the slot 18 by the push rod 17. At this time, the elastic force of the first spring 8 in the compressed state lifts the fixing tube 7, and then lifts the cabinet 1 to a higher height to avoid the threat of flooding. The inflation mechanism includes a piston cylinder 11 fixedly connected to the upper end of the fixed cylinder 7, a piston rod 12 is arranged in the piston cylinder 11, a connecting rod 9 is fixedly connected to the upper end of the piston rod 12, and one end of the connecting rod 9 away from the piston rod 12 is fixedly connected to the side wall of the support rod 6, and an air outlet pipe 10 is connected to the side wall of the piston cylinder 11, and the air outlet pipe 10 is connected to the air inlet pipe 15. When the fixed cylinder 7 rises, since the connecting rod 9 is fixedly connected to the support rod 6, the gas in the piston cylinder 11 is compressed by the piston rod 12, and the compressed gas enters the expansion airbag ring 16, so that the expansion airbag ring 16 expands and adheres to the inner wall of the sealing groove 13, thereby achieving sealing between the cabinet body 1 and the cabinet door 2, and further preventing the cabinet body 1 from being flooded. The floating plate 3 is a foam board. The lower end of the support rod 6 is provided with an anti-slip rubber pad.

[0018] In the present invention, when in use, when flooded, the buoyancy of the float plate 3 in the water lifts the float plate 3, and when the stop block 4 contacts the stop rod 17, the stop rod 17 is moved by the stop block 4, and then the block 19 is pushed out of the slot 18 by the stop rod 17. At this time, the elastic force of the first spring 8 in a compressed state lifts the fixed cylinder 7, and then lifts the cabinet 1 to a higher height to avoid the threat of flooding. While the fixed cylinder 7 rises, since the connecting rod 9 is fixedly connected to the support rod 6, the gas in the piston cylinder 11 is compressed by the piston rod 12, and the compressed gas enters the expansion airbag ring 16, causing the expansion airbag ring 16 to expand and fit tightly against the inner wall of the sealing groove 13, thereby achieving sealing between the cabinet 1 and the cabinet door 2, further preventing the cabinet 1 from being flooded.

[0019] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electromagnetic shielding cabinet, comprising a cabinet body (1), characterized in that: One side of the cabinet body (1) is rotatably connected to a cabinet door (2); both side walls of the cabinet body (1) are fixedly connected to fixed cylinders (7); support rods (6) are slidably connected to the two fixed cylinders (7); first springs (8) are provided inside the two fixed cylinders (7); one end of the first spring (8) is connected to the inner bottom wall of the fixed cylinder (7); the other end of the first spring (8) is connected to the support rod (6); mounting holes (20) are provided on the side walls of the two support rods (7); locking mechanisms are provided in the two mounting holes (20); slots (18) corresponding to the locking mechanisms are penetrated through the side walls of the two fixed cylinders (7); push rods (17) are provided in the two slots (18); a trigger mechanism is provided between the two support rods (6); the trigger mechanism comprises a floating plate (3); both ends of the floating plate (3) are provided with a locking mechanism. Both are fixedly connected with a movable sleeve (5), and the two movable sleeves (5) are respectively slidably sleeved on the two support rods (6). The upper end of the floating plate (3) is fixedly connected with two stop blocks (4), and the two stop blocks (4) correspond to the positions of the two stop rods (17) respectively, and the upper ends of the stop blocks (4) are inclined structures. The upper ends of the two fixed cylinders (7) are provided with an inflation mechanism. The side wall of the cabinet door (2) is provided with a sealing groove (13) along its circumference. The inner side wall of the cabinet body (1) is provided with a placement groove (14) along its circumference. The inner wall of the placement groove (14) is fixedly connected with an expansion airbag ring (16). The expansion airbag ring (16) is connected with two air intake pipes (15). The air intake pipes (15) penetrate the inner wall of the placement groove (14) and extend to the outside of the cabinet body (1). The two air intake pipes (15) are respectively connected to the two inflation mechanisms. The locking mechanism comprises a clamping block (19) arranged in the mounting hole (20), one end of the clamping block (19) being connected to a second spring (21), one end of the second spring (21) being away from the clamping block (19) being connected to an inner bottom wall of the mounting hole (20), and one end of the clamping block (19) being away from the second spring (21) passing through the mounting hole (20) and extending into the clamping slot (18); The inflation mechanism comprises a piston cylinder (11) fixedly connected to the upper end of a fixed cylinder (7), a piston rod (12) being arranged in the piston cylinder (11), a connecting rod (9) being fixedly connected to the upper end of the piston rod (12), an end of the connecting rod (9) away from the piston rod (12) being fixedly connected to the side wall of the support rod (6), an air outlet pipe (10) being connected to the side wall of the piston cylinder (11), and the air outlet pipe (10) being connected to the air inlet pipe (15).

2. The electromagnetic shielding cabinet according to claim 1, characterized in that: The floating plate (3) is a foam plate.

3. The electromagnetic shielding cabinet according to claim 1, characterized in that: The lower end of the support rod (6) is provided with an anti-slip rubber pad.

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