Electromagnetic shielding case

Abstract

The utility model discloses an electromagnetic shielding case, and particularly relates to the technical field of electromagnetic shielding cases, the electromagnetic shielding case comprises a bottom plate, a top plate and a coaming assembly, and the coaming assembly is installed between the bottom plate and the top plate. According to the utility model, the bottom plate, the top plate and the coaming assembly are arranged to form the case, and the bottom plate, the top plate and the coaming assembly can be quickly, stably and fixedly connected together under the cooperation of the positioning assembly and the insertion assembly, so that stable splicing among the bottom plate, the top plate and the coaming assembly can be quickly and efficiently realized; meanwhile, a plurality of groups of first fixing arms and second fixing arms are arranged and are matched with locking assemblies to lock the second fixing arms and the first fixing arms, and under the locking of the plurality of groups of first fixing arms and second fixing arms, the bottom plate, the surrounding plate assembly and the top plate can be further fastened together, otherwise, the bottom plate, the surrounding plate assembly and the top plate can be quickly disassembled and separated, the operation is simple, and the practicability is high. And the use effect of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electromagnetic shielding machine case technical field, concretely relates to a kind of electromagnetic shielding machine case. BACKGROUND

[0002] Electromagnetic shielding refers to the measure that the part made of conductive material or ferromagnetic material is used to shield the end of stator core of large-capacity steam turbine generator, to reduce the additional loss and local heating caused by the leakage magnetic of stator winding end in structural member. In communication, shielding is to isolate two space areas with metal, to control the induction and radiation of electric field, magnetic field and electromagnetic wave from one area to another. Therefore, electromagnetic shielding machine case is to enclose the interference source of component, circuit, assembly, cable or whole system with box, to prevent interference electromagnetic field from spreading outward, and to enclose receiving circuit, equipment or system with shielding body, to prevent them from being affected by external electromagnetic field.

[0003] At present, the existing electromagnetic shielding machine case is used, in order to facilitate the installation and maintenance of component and circuit, the machine case is mostly composed of modular splicing structure, and the existing machine case splicing structure is mostly fixedly connected by bolt and nut. It needs a large number of bolts, the operation is complicated, and a large number of disassembly is needed for subsequent maintenance, the working efficiency is low, and the use effect is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of electromagnetic shielding machine case, by setting bottom plate, top plate and fence component assembly form machine case, and under the cooperation of positioning assembly and plug-in assembly, bottom plate, top plate and fence component assembly can be fixedly connected together quickly and stably, to realize the stable splicing between bottom plate, top plate and fence component assembly quickly and efficiently, simultaneously, by setting multiple first fixed arm and second fixed arm, and cooperating locking assembly can lock second fixed arm with first fixed arm, and under the locking of multiple first fixed arm and second fixed arm, bottom plate, fence component assembly and top plate can be further fastened together, conversely, it can also be quickly disassembled and separated, simple operation, and convenient and efficient, greatly improve the use effect of device, to solve the above deficiencies in technology.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of electromagnetic shielding machine case, including bottom plate, top plate and fence component, the fence component is installed between bottom plate and top plate, and positioning assembly is equipped between fence component and bottom plate and top plate;

[0006] The fence component includes two first side plates and two second side plates, the first side plate and the second side plate are staggered, and the plug-in assembly is provided between the first side plate and the second side plate;

[0007] The bottom side of the bottom plate is rotatably connected with a first fixing arm through a rotating shaft at four ends, the top side of the top plate is rotatably connected with a second fixing arm through a rotating shaft at four ends, one end of the first fixing arm relative to the bottom plate is provided with a clamping seat, one end of the second fixing arm relative to the top plate can be inserted into the clamping seat, and a locking assembly is arranged between the second fixing arm and the clamping seat.

[0008] Preferably, the inserting assembly comprises inserting strips symmetrically arranged at two ends of the inner side of the first side plate, and the second side plate is symmetrically provided with inserting grooves at two ends, and the inserting strips can be inserted into the inserting grooves.

[0009] Preferably, the positioning assembly comprises lower clamping columns arranged at four edges of the top side of the bottom plate, and the bottom end of the first side plate and the second side plate is provided with a lower clamping groove matched with the lower clamping column.

[0010] Preferably, the positioning assembly further comprises upper clamping columns arranged at four edges of the bottom side of the top plate, and the top end of the first side plate and the second side plate is provided with an upper clamping groove matched with the upper clamping column.

[0011] Preferably, the locking assembly comprises a cavity groove arranged at the end of the second fixing arm, a spring arranged in the cavity groove, sliding plates symmetrically fixed at two ends of the spring, a positioning column connected with one end of the sliding plate relative to the spring, and one end of the positioning column extending to the outside of the second fixing arm, and the two ends of the clamping seat are symmetrically provided with positioning holes matched with the positioning column.

[0012] Preferably, the outer side of the first side plate is provided with a handle.

[0013] Preferably, the bottom side of the bottom plate is provided with a support seat at two ends.

[0014] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0015] The bottom plate, the top plate and the surrounding plate assembly are connected together through the positioning assembly and the inserting assembly, so that the stable splicing between the bottom plate, the top plate and the surrounding plate assembly can be quickly and efficiently realized, the second fixing arm and the first fixing arm can be locked through the multiple first fixing arms and the second fixing arms and the locking assembly, the bottom plate, the surrounding plate assembly and the top plate can be further fastened together under the locking of the multiple first fixing arms and the second fixing arms, and vice versa, the device can be quickly disassembled and separated, the operation is simple, convenient and efficient, and the use effect of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 3 It is a schematic diagram of the connection structure of the first side plate and the second side plate.

[0020] Figure 4 It is a schematic diagram of the connection structure of the first side plate and the second side plate.

[0021] Figure 5 It is a schematic diagram of the connection structure of the first fixed arm and the second fixed arm.

[0022] Explanation of reference signs:

[0023] 1, bottom plate; 2, support seat; 3, top plate; 4, first side plate; 5, handle; 6, second side plate; 7, lower clamping column; 8, upper clamping column; 9, lower clamping groove; 10, upper clamping groove; 11, first fixed arm; 12, second fixed arm; 13, cavity groove; 14, spring; 15, sliding plate; 16, positioning column; 17, clamping seat; 18, positioning hole; 19, insertion strip; 20, insertion groove. DETAILED DESCRIPTION

[0024] In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.

[0025] The present application provides an electromagnetic shielding case as shown in Figures 1-5 The bottom plate 1, the top plate 3 and the surrounding plate assembly are all made of electromagnetic shielding material.

[0026] The positioning assembly comprises lower clamping columns 7 arranged on the top side of the bottom plate 1, and the bottom ends of the first side plate 4 and the second side plate 6 are both provided with lower clamping grooves 9 matched with the lower clamping columns 7.

[0027] The positioning assembly further comprises upper clamping columns 8 arranged at the four edges of the bottom side of the top plate 3, and upper clamping grooves 10 matching the upper clamping columns 8 are arranged at the top ends of the first side plate 4 and the second side plate 6.

[0028] The fence assembly comprises two first side plates 4 and two second side plates 6, the first side plates 4 and the second side plates 6 are staggered, and a plug-in assembly is arranged between the first side plates 4 and the second side plates 6.

[0029] The plug-in assembly comprises plug-in strips 19 symmetrically arranged at the two ends of the inner side of the first side plate 4, and plug-in grooves 20 are symmetrically arranged at the two ends of the second side plate 6, and the plug-in strips 19 can be plug-in matched in the plug-in grooves 20.

[0030] In use, the first side plate 4 and the second side plate 6 can be quickly clamped on the bottom plate 1 through the mutual clamping and cooperation of the lower clamping columns 7 and the lower clamping grooves 9, and the top plate 3 can be quickly clamped between the top ends of the first side plate 4 and the second side plate 6 through the mutual clamping and cooperation of the upper clamping columns 8 and the upper clamping grooves 10, and the second side plate 6 can be stably connected between the two first side plates 4 through the plug-in cooperation of the plug-in strips 19 and the plug-in grooves 20, thereby quickly and efficiently realizing the stable splicing between the bottom plate 1, the top plate 3 and the fence assembly.

[0031] First fixing arms 11 are rotatably connected to the four ends of the bottom side of the bottom plate 1 through pivots, second fixing arms 12 are rotatably connected to the four ends of the top side of the top plate 3 through pivots, one end of the first fixing arm 11 relative to the bottom plate 1 is provided with a clamping seat 17, the second fixing arm 12 relative to one end of the top plate 3 can be plug-in matched in the clamping seat 17, and a locking assembly is arranged between the second fixing arm 12 and the clamping seat 17.

[0032] The locking assembly comprises a cavity slot 13 arranged at the end of the second fixing arm 12, a spring 14 arranged in the cavity slot 13, slide plates 15 symmetrically fixed at the two ends of the spring 14, a positioning column 16 connected to one end of the slide plate 15 relative to the spring 14, one end of the positioning column 16 extending out of the second fixing arm 12, and positioning holes 18 matching the positioning column 16 symmetrically arranged at the two ends of the clamping seat 17.

[0033] After the bottom plate 1, the top plate 3 and the surrounding plate assembly are initially spliced, a plurality of groups of the first fixing arms 11 and the second fixing arms 12 can be rotated to abut against the second side plate 6, and the end portions of the second fixing arms 12 are moved to the clamping seats 17, and by pressing the two symmetrical positioning columns 16, the positioning columns 16 can drive the sliding plates 15 to extrude the springs 14, that is, the positioning columns 16 can be retracted into the cavities 13, and then the end portions of the second fixing arms 12 can be embedded in the clamping seats 17, under the rebound of the springs 14, the positioning columns 16 can be reset and inserted into the positioning holes 18, so that the second fixing arms 12 and the first fixing arms 11 can be locked together, under the locking of the plurality of groups of the first fixing arms 11 and the second fixing arms 12, the bottom plate 1, the surrounding plate assembly and the top plate 3 can be further fastened together, and vice versa, the bottom plate 1, the surrounding plate assembly and the top plate 3 can also be quickly disassembled and separated, the operation is simple, convenient and efficient, and the use effect of the device is greatly improved.

[0034] The first side plate 4 is provided with the handle 5 on the outer side. The handle 5 is convenient for holding the device.

[0035] The bottom plate 1 is provided with the supporting seat 2 at both ends of the bottom side. The device can be supported and fixed by the supporting seat 2.

[0036] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. An electromagnetic shielded enclosure characterized by: It comprises a bottom plate (1), a top plate (3) and a surrounding plate assembly, the surrounding plate assembly is installed between the bottom plate (1) and the top plate (3), and the surrounding plate assembly is provided with a positioning assembly between the bottom plate (1) and the top plate (3); The surrounding plate assembly comprises two first side plates (4) and two second side plates (6), the first side plates (4) and the second side plates (6) are staggered, and a plug-in assembly is arranged between the first side plates (4) and the second side plates (6); The bottom side of the bottom plate (1) is rotatably connected with a first fixing arm (11) through a rotating shaft at four ends, the top side of the top plate (3) is rotatably connected with a second fixing arm (12) through a rotating shaft at four ends, one end of the first fixing arm (11) relative to the bottom plate (1) is provided with a clamping seat (17), the second fixing arm (12) relative to one end of the top plate (3) can be inserted into the clamping seat (17), and a locking assembly is arranged between the second fixing arm (12) and the clamping seat (17).

2. An electromagnetic shielding enclosure according to claim 1, wherein: The plug-in assembly comprises a plug strip (19) symmetrically arranged at both ends of the inner side of the first side plate (4), and the second side plate (6) is symmetrically provided with a plug slot (20) at both ends, and the plug strip (19) can be inserted into the plug slot (20).

3. The electromagnetic shielding enclosure of claim 1, wherein: The positioning assembly comprises a lower clamping column (7) arranged at the top side of the bottom plate (1), and the bottom end of the first side plate (4) and the second side plate (6) is provided with a lower clamping slot (9) matched with the lower clamping column (7).

4. The electromagnetic shielding enclosure of claim 1, wherein: The positioning assembly further comprises an upper clamping column (8) arranged at the bottom side of the top plate (3), and the top end of the first side plate (4) and the second side plate (6) is provided with an upper clamping slot (10) matched with the upper clamping column (8).

5. The electromagnetic shielding enclosure of claim 1, wherein: The locking assembly comprises a cavity slot (13) arranged at the end of the second fixing arm (12), a spring (14) arranged in the cavity slot (13), symmetrically fixed with a sliding plate (15) at both ends of the spring (14), a positioning column (16) connected with one end of the sliding plate (15) relative to the spring (14), one end of the positioning column (16) extending out of the second fixing arm (12), and symmetrically provided with a positioning hole (18) matched with the positioning column (16) at both ends of the clamping seat (17).

6. The electromagnetic shielding enclosure of claim 1, wherein: The outer side of the first side plate (4) is provided with a handle (5).

7. The electromagnetic shielding enclosure of claim 1, wherein: The bottom side of the bottom plate (1) is provided with a supporting seat (2) at both ends.

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