Electrically-driven electromagnetic shielding box structure
By using an electrically driven electromagnetic shielding box structure, and utilizing an electric push rod and linkage mechanism to achieve the sliding and rotating opening and closing of the shielding door, the problem of limited inner box space is solved, and the electromagnetic shielding effect is improved.
Patent Information
- Application Number
- CN202423171305.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In the existing technology, the inner box is located inside the outer box, which restricts space, makes it inconvenient to open and close the inner box's shielding door, and affects its use.
The electromagnetic shielding box structure is electrically driven and includes an outer box, an inner box, an external closing mechanism, and an opening and closing mechanism. It utilizes the linkage of electric push rods, rotating shafts, connecting rods, and slide rails to realize the translation and rotation opening and closing of the shielding door. The shielding effect is improved by combining it with conductive cotton pads.
This technology enables smooth opening and closing of the shielding door, avoids space constraints, and improves the electromagnetic shielding effect.
Smart Images

Figure CN223613731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electromagnetic shielding technical field especially relates to a power drive's electromagnetic shielding box structure. BACKGROUND
[0002] The instrument equipment needs to meet the technical index of electromagnetic interference in production, and needs to have electromagnetic shielding test environment to facilitate the test when testing these indexes. The general electromagnetic shielding device is suitable for a small amount of instrument and meter to measure and analyze in the form of manual placement. It cannot adapt to the demand of large-scale instrument and meter electromagnetic performance test.
[0003] In the prior art, the shielding box structure of the outer box and the inner box can better perform electromagnetic shielding test.
[0004] But in the prior art, the inner box is arranged in the inner part of the outer box, which limits the space and is not conducive to the opening and closing of the inner box shielding door, causing inconvenience in use. UTILITY MODEL CONTENTS
[0005] The utility model discloses a power drive's electromagnetic shielding box structure solves the prior art in the inner box is arranged in the inner part of the outer box, which limits the space and is not conducive to the opening and closing of the inner box shielding door, causing inconvenience in use.
[0006] To achieve the above object, the utility model provides a power drive's electromagnetic shielding box structure, including outer box, inner box, external closure mechanism and opening and closing mechanism, the opening and closing mechanism includes three linkage units, two rotating shafts, two mounting bases, two electric push rods, two connecting rods, two slide rails and a shielding door, each linkage unit includes a fixed plate, a swing lever and two sliding blocks, the inner box is arranged in the inner part of the outer box, the shielding door is arranged at the front end of the inner box, two slide rails are arranged at the front end of the inner box respectively, two sliding blocks are adapted with corresponding slide rails sliding respectively, the fixed plate is fixedly connected with the front end of the shielding door, two rotating shafts are fixedly connected with the side surface of the fixed plate respectively, two mounting bases are symmetrically arranged on the outer wall of the inner box respectively, one end of two electric push rods is rotatably connected with the mounting base respectively, the other end of two electric push rods is rotatably connected with corresponding rotating shafts respectively, one end of the swing lever is rotatably connected with corresponding connecting rods, the other end of the swing lever is rotatably connected with the fixed plate, and the swing lever is rotatably connected with the sliding block.
[0007] The external closure mechanism includes a manual left door, a manual right door and a door lock, the manual left door and the manual right door are symmetrically arranged at the front end of the outer box respectively, and the door lock is arranged on the manual right door.
[0008] The opening and closing mechanism further comprises a first conductive cotton pad and a second conductive cotton pad, which are arranged on the inner wall of the inner box.
[0009] The power-driven electromagnetic shielding box structure further comprises a plurality of supporting feet, which are fixedly connected with the outer box and located at the bottom of the outer box.
[0010] The power-driven electromagnetic shielding box structure comprises an inner box, an outer box, a shielding door, a sliding rail, a sliding block, a fixed plate, a rotating shaft, a mounting base, an electric push rod, a connecting rod and a swing rod. Two electric push rods are respectively connected with the rotating shafts, one end of the electric push rod is rotatably connected with the mounting base, and the other end of the electric push rod is rotatably connected with the rotating shaft. The power-driven electromagnetic shielding box structure further comprises a plurality of supporting feet, which are fixedly connected with the outer box and located at the bottom of the outer box. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] Figure 2 It is a schematic diagram of the local structure of the utility model.
[0014] Figure 3 It is a schematic diagram of the local structure of the utility model. Figure 2 It is an enlarged view of the local structure of A in the utility model.
[0015] Figure 4 It is a front view of the local structure of the utility model.
[0016] Figure 5 is the electromagnetic shielding box structure of the utility model Figure 4 is the B-B line section view of the utility model.
[0017] 1-outer box, 2-inner box, 3-rotation shaft, 4-mounting base, 5-electric push rod, 6-connecting rod, 7-sliding rail, 8-shielding door, 9-fixing plate, 10-rocker, 11-sliding block, 12-manual left door, 13-manual right door, 14-door lock, 15-first conductive cotton pad, 16-second conductive cotton pad, 17-supporting leg. DETAILED DESCRIPTION
[0018] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model.
[0019] Please refer to Figures 1 to 5 , wherein, Figure 1 is the overall structure schematic view of the utility model, Figure 2 is the local structure schematic view of the utility model, Figure 3 is the B-B line section view of the utility model Figure 2 is the A local structure enlarged view of the utility model, Figure 4 is the local front view of the utility model, Figure 5 is the B-B line section view of the utility model Figure 4 .
[0020] The utility model provides a kind of electromagnetic shielding box structure of electric drive, including outer box 1, inner box 2, external closure mechanism and opening and closing mechanism, the opening and closing mechanism includes three linkage units, two rotation shafts 3, two mounting bases 4, two electric push rods 5, two connecting rods 6, two sliding rails 7 and shielding door 8, each the linkage unit includes fixed plate 9, rocker 10 and two sliding blocks 11, the inner box 2 is arranged in the inside of the outer box 1, the shielding door 8 is arranged at the front end of the inner box 2, two the sliding rail 7 is respectively arranged at the front end of the inner box 2, two the sliding block 11 is respectively with corresponding the sliding rail 7 sliding adaptation, the fixed plate 9 is fixedly connected with the front end of the shielding door 8, two the rotation shaft 3 is respectively fixedly connected with the side surface of the fixed plate 9, two the mounting base 4 is respectively symmetrically arranged on the outer wall of the inner box 2, one end of two the electric push rod 5 is respectively rotationally connected with the mounting base 4, the other end of two the electric push rod 5 is respectively rotationally connected with corresponding the rotation shaft 3, one end of the rocker 10 is rotationally connected with corresponding the connecting rod 6, the other end of the rocker 10 is rotationally connected with the fixed plate 9, and the rocker 10 is rotationally connected with the sliding block 11.
[0021] In the embodiment, the two electric push rods 5 respectively push the corresponding rotating shafts 3 to move, and further drive the sliding blocks 11, the fixed plates 9 and the shielding doors 8 to move upwards along the corresponding sliding rails 7, and the two connecting rods 6 and the swing rods 10 rotate while moving upwards, so that the shielding doors 8 can rotate outward when moving upwards, and the corresponding electric push rods 5 can adjust the angle in real time when being pushed, so as to adapt to different angles when the shielding doors 8 move, thereby the device can effectively open and close the doors by translating the shielding doors 8 upwards, and the situation that the space is limited and the doors are inconvenient to open and close is avoided.
[0022] Further, the external closing mechanism comprises a manual left door 12, a manual right door 13 and a door lock 14, the manual left door 12 and the manual right door 13 are respectively arranged symmetrically at the front end of the outer box 1, and the door lock 14 is arranged on the manual right door 13.
[0023] In the embodiment, the outer box 1 is sealed by the manual left door 12 and the manual right door 13, and when it is necessary to open, the door lock 14 is unlocked, and the manual left door 12 and the manual right door 13 can be opened.
[0024] Further, the opening and closing mechanism further comprises a first conductive cotton pad 15 and a second conductive cotton pad 16, and the first conductive cotton pad 15 and the second conductive cotton pad 16 are respectively arranged on the inner wall of the inner box 2.
[0025] In the embodiment, the first conductive cotton pad 15 and the second conductive cotton pad 16 respectively abut against the shielding doors 8 and the gap between the shielding doors 8 and the inner box 2, so as to improve the shielding effect and ensure the shielding of external signals, and after the shielding doors 8 are closed, the first conductive cotton pad 15 and the second conductive cotton pad 16 are deformed by being pressed, so as to achieve the effect of closing the gap.
[0026] Further, the electrically driven electromagnetic shielding box structure further comprises a plurality of supporting feet 17, and the plurality of supporting feet 17 are respectively fixedly connected with the outer box 1 and respectively located at the bottom of the outer box 1.
[0027] In the embodiment, the outer box 1 is supported by the plurality of supporting feet 17.
[0028] The above disclosure is only one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.
Claims
1. A power-driven electromagnetic shielding box structure, characterized in that, it comprises an outer box, an inner box, an external closing mechanism and an opening and closing mechanism; the opening and closing mechanism comprises three linkage units, two rotating shafts, two mounting bases, two electric push rods, two connecting rods, two sliding rails and a shielding door, each linkage unit comprises a fixed plate, a swing rod and two sliding blocks, the inner box is arranged inside the outer box, the shielding door is arranged at the front end of the inner box, two sliding rails are arranged at the front end of the inner box respectively, two sliding blocks are respectively adapted with the corresponding sliding rails, the fixed plate is fixedly connected with the front end of the shielding door, two rotating shafts are respectively fixedly connected with the side surface of the fixed plate, two mounting bases are respectively and symmetrically arranged on the outer wall of the inner box, one end of two electric push rods is respectively rotationally connected with the mounting base, the other end of two electric push rods is respectively rotationally connected with the corresponding rotating shaft, one end of the swing rod is rotationally connected with the corresponding connecting rod, the other end of the swing rod is rotationally connected with the fixed plate, and the swing rod is rotationally connected with the sliding block.
2. The power-driven electromagnetic shielding box structure of claim 1, characterized in that, the external closing mechanism comprises a manual left door, a manual right door and a door lock, the manual left door and the manual right door are respectively and symmetrically arranged at the front end of the outer box, and the door lock is arranged on the manual right door.
3. The power-driven electromagnetic shielding box structure of claim 2, characterized in that, the opening and closing mechanism further comprises a first conductive cotton pad and a second conductive cotton pad, the first conductive cotton pad and the second conductive cotton pad are respectively arranged on the inner wall of the inner box.
4. The power-driven electromagnetic shielding box structure of claim 3, characterized in that, the power-driven electromagnetic shielding box structure further comprises a plurality of supporting feet, a plurality of supporting feet are respectively fixedly connected with the outer box and are respectively located at the bottom of the outer box.