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CN-224205500-U - Electromagnetic shielding shock attenuation machine case

CN224205500UCN 224205500 UCN224205500 UCN 224205500UCN-224205500-U

Abstract

The utility model discloses an electromagnetic shielding shock-absorbing chassis, which belongs to the technical field of detection equipment and comprises a chassis main body, wherein a shielding box is connected to an inner cavity of the chassis main body and is composed of an electromagnetic shielding sealing gasket, a fixing box is connected to the inner wall of the shielding box, a shock-absorbing component comprises a placing box and four connecting frames, one centripetal side of the four connecting frames is fixedly connected with the placing box, the inner side wall of the connecting frames is rotationally connected with a connecting plate through a pin shaft, the side face of the connecting plate is connected with a piston part of a buffer piece, the fixed end of the buffer piece is connected with a rotating plate, the side face of the rotating plate is rotationally connected with a rotating frame through a pin shaft, the outer side wall of the rotating frame is connected with a limiting plate, and one centrifugal side of the limiting plate is fixedly connected with the inner side wall of the fixing box.

Inventors

  • LIANG WENZHE
  • LI BIN
  • CHEN BIN

Assignees

  • 青岛万丰钻石飞机制造有限公司

Dates

Publication Date
20260505
Application Date
20250421

Claims (8)

  1. 1. An electromagnetic shielding shock absorbing chassis, comprising: The electromagnetic shielding box comprises a box body (1), wherein an inner cavity of the box body (1) is connected with a shielding box (2), the shielding box (2) is composed of an electromagnetic shielding sealing gasket, and the inner wall of the shielding box (2) is connected with a fixing box (3); Damping module (4), set up in the inner chamber of fixed box (3), damping module (4) are including placing box (5) and four link (6), four one side that link (6) are centripetal is connected fixedly with placing box (5), link (6) inside wall is connected with connecting plate (7) through the round pin axle rotation, connecting plate (7) side is connected with the piston portion of bolster (8), the stiff end of bolster (8) is connected with rotor plate (9), rotor plate (9) side is connected with swivel mount (10) through the round pin axle rotation, swivel mount (10) lateral wall is connected with limiting plate (11), one side that swivel mount (10) was kept away from to limiting plate (11) is connected with limiting frame (12) through the round pin axle rotation, four one side that limiting frame (12) are centrifugal is all connected fixedly with the inside wall of fixed box (3).
  2. 2. The electromagnetic shielding shock absorption chassis of claim 1, wherein the buffer member (8) comprises a telescopic inner rod, a damper and a telescopic outer rod with a hollow inside, the damper and the telescopic inner rod are arranged in an inner cavity of the telescopic outer rod, an organic case cover (13) is arranged on the top surface of the chassis main body (1), and the inner top wall of the chassis cover (13) is respectively abutted with the chassis main body (1), the shielding case (2) and the fixing case (3).
  3. 3. The electromagnetic shielding shock-absorbing chassis according to claim 2, wherein the inner side wall of the chassis cover (13) is slidably connected with the outer side wall of the chassis main body (1), and a rubber frame (14) is arranged at the upper part of the shock-absorbing assembly (4).
  4. 4. The electromagnetic shielding shock absorption chassis of claim 3, wherein the inner side wall of the rubber frame (14) is adhered with a fixing plate (15), and the top surface of the fixing plate (15) is connected with a threaded column (17).
  5. 5. The electromagnetic shielding shock absorption chassis of claim 4, wherein the top surface of the chassis cover (13) is provided with a through groove for a threaded column (17) to pass through, and the threaded column (17) is in threaded connection with a fixing nut (18).
  6. 6. The electromagnetic shielding shock absorption chassis according to claim 5, wherein the bottom surface of the fixing nut (18) is abutted against the chassis cover (13), and four positioning rods (16) are embedded in the bottom surface of the chassis cover (13) in a sliding manner.
  7. 7. The electromagnetic shielding shock absorption chassis according to claim 6, wherein the bottom surfaces of the four positioning rods (16) are connected and fixed with the fixing plate (15), and the top surface of the rubber frame (14) is abutted against the chassis cover (13).
  8. 8. The electromagnetic shielding shock absorption chassis according to claim 7, wherein the inner cavity of the fixed case (3) is matched with the rubber frame (14).

Description

Electromagnetic shielding shock attenuation machine case Technical Field The utility model belongs to the technical field of detection equipment, and particularly relates to an electromagnetic shielding shock absorption chassis. Background With the rapid development of electronic technology, electronic devices are widely used in various fields, such as electronic devices used in aviation aircraft. In many application scenarios, the electronic device needs to stably operate in a complex electromagnetic environment and needs to be electromagnetically shielded, and some cabinets on the market have a certain electromagnetic shielding function, but have poor damping effect. In the related art, through searching, it is found that an electromagnetic shielding shock-absorbing chassis of China patent document (authorized bulletin number CN 210725641U) comprises a glass fiber reinforced plastic square cylinder, two groups of guard plates and two groups of pressing bar enclosing frames, wherein copper nets I are compounded on the periphery of the inner wall of the glass fiber reinforced plastic square cylinder through glass fiber cloth, two ends of each copper net I extend out of two openings of the glass fiber reinforced plastic square cylinder and respectively extend out of 3cm, the guard plates are of a frame type structure, a copper net II is arranged on one side end surface of each guard plate, reinforcing rib flanging which is vertically turned inwards is arranged on the periphery of two end surfaces of the pressing bar enclosing frame, the two groups of guard plates are respectively arranged at two ends of an inner cavity of the glass fiber reinforced plastic square cylinder, and the copper net II on each group of guard plates and the extending sections corresponding to the copper net I are in a pressing bar enclosing frame in a pressing manner in the inner cavity of the glass fiber reinforced plastic square cylinder. The electromagnetic shielding shock attenuation machine case makes the square section of thick bamboo of glass steel metallized, ensures the continuity of switching on of backplate and the square section of thick bamboo of glass steel after the metallization, realizes the holistic continuity of switching on of machine case, avoids receiving outside electromagnetic interference, ensures the accuracy of detected data, but this electromagnetic shielding shock attenuation machine case's shock attenuation effect is weaker, can't satisfy the user demand of electronic equipment in the aeroplane. Disclosure of utility model The utility model aims to provide an electromagnetic shielding shock absorption chassis for solving the problems in the background technology. In order to achieve the above purpose, the utility model provides the following technical scheme that the electromagnetic shielding shock absorption chassis comprises: the electromagnetic shielding sealing gasket is arranged on the inner wall of the shielding box, and the inner wall of the shielding box is connected with a fixing box; The damping component is arranged in the inner cavity of the fixed box and comprises a placing box and four connecting frames, one centripetal side of the four connecting frames is fixedly connected with the placing box, the inner side wall of the connecting frame is rotationally connected with a connecting plate through a pin shaft, the side face of the connecting plate is connected with a piston part of a buffer part, the fixed end of the buffer part is connected with a rotating plate, the side face of the rotating plate is rotationally connected with a rotating frame through a pin shaft, the outer side wall of the rotating frame is connected with a limiting plate, one side of the limiting plate, far away from the rotating frame, is rotationally connected with a limiting frame through a pin shaft, and one centrifugal side of the four limiting frames is fixedly connected with the inner side wall of the fixed box. Preferably, the buffer member comprises a telescopic inner rod, a damper and a telescopic outer rod with a hollow inside, wherein the damper and the telescopic inner rod are arranged in an inner cavity of the telescopic outer rod, an organic box cover is arranged on the top surface of the machine box body, and the inner top wall of the machine box cover is respectively in butt joint with the machine box body, the shielding box and the fixing box. Preferably, the inner side wall of the case cover is in sliding connection with the outer side wall of the case main body, and the rubber frame is arranged on the upper portion of the shock absorption component. Preferably, the inner side wall of the rubber frame is adhered with a fixing plate, and the top surface of the fixing plate is connected with a threaded column. Preferably, the top surface of the case cover is provided with a through groove for the threaded column to pass through, and the threaded column is in threaded connection with a fixing nut. Prefer