Front opening type shielding box

Abstract

The utility model relates to a front opening type shielding box, which comprises a shielding box main body, an opening arranged on one surface of the shielding box main body, a sealing door arranged on the opening, quick fixing assemblies arranged on two sides of the sealing door, two control buttons arranged on the shielding box main body, a plurality of radio frequency heads and a plurality of RJ45 transmission modules, the quick fixing assembly comprises two fixing grooves formed in the two sides of the interior of the sealing door and four sets of rotary pressing limiting assemblies rotationally arranged on the two sides of the interior of the two fixing grooves and close to the four corners of the sealing door correspondingly. The two driving assemblies are arranged in the two fixing grooves correspondingly, located between the two rotary downward-pressing limiting assemblies correspondingly and used for driving the two rotary downward-pressing limiting assemblies to rotate correspondingly. The driving assembly drives the rotary pressing limiting assembly to rotate, meanwhile limits the sealing door and drives the sealing door to continuously move and press towards the opening direction, limiting and fixing can be rapidly carried out, efficiency is improved, the sealing door and the opening can be better sealed in an attached mode, and sealing performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shielding box field especially a front opening type shielding box. BACKGROUND

[0002] The shielding box is a kind of equipment for resisting external electromagnetic wave interference, and it is mainly used for the measurement of wireless network communication equipment such as mobile phone, provides an internal space with less electromagnetic wave interference through the metal shell, but the existing shielding box still has some problems.

[0003] The prior art 202320430976.7 discloses a drawer type shielding box, which needs to manually rotate the screw rod to drive the locking block to move for limiting the sealing door, so that it is relatively cumbersome to open and close the sealing door, affects the detection efficiency, and the sealing effect is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art and provides a front opening type shielding box.

[0005] To achieve the above object, the utility model adopts the technical scheme of a front opening type shielding box, which comprises a shielding box body, an opening through the shielding cavity for feeding and discharging in a ladder shape arranged on one side of the shielding box body, a sealing door in plug-in type arranged on the opening for sealing, a quick fixing assembly arranged on both sides of the sealing door for quick limiting and further extruding the sealing door to adhere to the opening to increase the sealing property, two control buttons arranged on both sides of the sealing door below the sealing door on the shielding box body, a plurality of radio frequency heads and a plurality of RJ45 transmission modules arranged on the side of the shielding box body opposite to the opening; the quick fixing assembly comprises two fixing grooves arranged on both sides in the sealing door, four groups of rotating and downward pressing limiting assemblies arranged on both sides in the two fixing grooves and close to four corners of the sealing door for fixing and extruding the sealing door, and two groups of driving assemblies arranged in the two fixing grooves and located between the two groups of rotating and downward pressing limiting assemblies for driving the two groups of rotating and downward pressing limiting assemblies to rotate respectively.

[0006] Preferably, the four groups of rotating and downward pressing limiting assemblies each comprise a limiting plate in L shape arranged in the sealing door in the form of bent end, and a limiting groove arranged on the outermost side wall of the opening ladder for pressing one end of the limiting plate; the limiting groove is inclined towards the opening direction on the side close to the sealing door; when the sealing door is in the open state, one end of the limiting plate is located in the fixing groove and parallel to the fixing groove; when the sealing door is in the open state, the other end of the limiting plate is located in the fixing groove and perpendicular to the fixing groove; the two limiting plates are placed in the same direction.

[0007] Preferably, the two groups of driving assemblies comprise a rotating handle rotatably arranged on the sealing door and penetrating through the sealing door to the middle of the fixed groove, two extension plates arranged at intervals respectively on one end of the rotating handle located in the fixed groove, and two connecting plates rotatably arranged between the two extension plates from top to bottom in sequence and having the other end hingedly connected with the top surface and the bottom surface of the two limiting plates respectively and the fixed groove.

[0008] Preferably, handles are arranged on the middle of the upper part and the lower part of the sealing door.

[0009] Preferably, a plurality of state indicator lamps are arranged on one side above the opening on the shielding box.

[0010] Thanks to the use of the above technical scheme, the present application has the following advantages compared with the prior art:

[0011] The present application can not only quickly fix and improve the efficiency, but also make the sealing door and the opening more closely sealed and improve the sealing performance. BRIEF DESCRIPTION OF DRAWINGS

[0012] The technical scheme of the present application will be further described below in combination with the drawings:

[0013] ATTACHED Figure 1 It is a general structure schematic diagram of the front opening shielding box.

[0014] ATTACHED Figure 2 It is a sectional structure schematic diagram of the sealing door of the front opening shielding box.

[0015] ATTACHED Figure 3 It is a structure schematic diagram of the opening of the front opening shielding box.

[0016] ATTACHED Figure 4 It is a back structure schematic diagram of the front opening shielding box.

[0017] ATTACHED Figure 5 It is a top view sectional structure schematic diagram of the front opening shielding box.

[0018] Wherein: 1, shielding box main body; 2, opening; 3, sealing door; 4, quick fixing assembly; 41, fixed groove; 42, rotating and pressing limiting assembly; 421, limiting plate; 422, limiting groove; 43, driving assembly; 431, rotating handle; 432, extension plate; 433, connecting plate; 5, control button; 6, radio frequency head; 7, RJ45 transmission module; 8, handle; 9, indicator lamp. DETAILED DESCRIPTION

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Appendix Figures 1-5 The front-opening shielding box of this utility model includes a shielding box body 1, a stepped opening 2 on one side of the shielding box body 1 that communicates with the shielding cavity for loading and unloading, a pluggable sealing door 3 on the opening 2 for sealing, quick-fixing components 4 on both sides of the sealing door 3 for quick positioning and further compression to fit the sealing door 3 into the opening 2 to increase sealing, two control buttons 5 on the shielding box body 1 located on both sides below the sealing door 3, multiple radio frequency heads 6 and multiple RJ45 transmission modules 7 respectively located on the side of the shielding box body 1 facing the opening 2; the quick-fixing components 4 include two fixing grooves 41 on both sides inside the sealing door 3, four sets of rotating downward pressure limiting components 42 rotatably disposed on both sides of the two fixing grooves 41 and near the four corners of the sealing door 3 for fixing and compressing the sealing door 3, and two sets of driving components 43 respectively disposed in the two fixing grooves 41 and between the two sets of rotating downward pressure limiting components 42 for driving the two sets of rotating downward pressure limiting components 42 to rotate; all four sets of rotating downward pressure limiting components 42 are... The system includes an L-shaped limiting plate 421 with its bent end rotatably disposed inside the sealing door 3, and a limiting groove 422 disposed on the outermost stepped sidewall of the opening 2 to press one end of the limiting plate 421; the limiting groove 422 is inclined towards the opening 2 on the side closest to the sealing door 3; when the sealing door 3 is in the open state, one end of the limiting plate 421 is located in the fixing groove 41 and is parallel to the fixing groove 41; when the sealing door 3 is in the open state, the other end of the limiting plate 421 is located in the fixing groove 41 and is parallel to the fixing groove 41. The two limiting plates 421 are perpendicular to each other and are placed in the same direction. The two sets of driving components 43 include a rotating handle 431 that is rotatably mounted on the sealing door 3 and extends through the sealing door 3 to the middle of the fixing groove 41, two extension plates 432 that are spaced apart on one end of the rotating handle 431 located in the fixing groove 41, and two connecting plates 433 that are rotatably mounted between the two extension plates 432 from top to bottom and whose other ends are respectively hinged to the top and bottom surfaces of the two limiting plates 421 and the fixing groove 41 perpendicular to each other.

[0021] Furthermore, the sealing door 3 is provided with handles 8 at the top and bottom center for easy access.

[0022] Furthermore, multiple status indicator lights 9 are provided on one side above the opening 2 of the shielding box to observe the status of the product.

[0023] In use: when the detection is needed, first hold the two handles, then drive the two handles to rotate 90° to the two sides, then the handle drives the extension plate 432 to rotate into the fixed slot 41, then the extension plate 432 drives the one end of the connecting plate 433 to move to the middle of the fixed slot 41, then the one end of the four connecting plates 433 drives or pushes the one end of the two end limiting plates 421 in the fixed slot 41, then the four limiting plates 421 are rotated to the direction of the fixed slot 41 under the pulling force and the pushing force, then the one end of the limiting plate 421 is separated from the limiting slot 422, when the rotating handle 431 is stopped rotating 90°, the one end of the limiting plate 421 is rotated into the fixed slot 41 and is parallel to the fixed slot 41, the other end of the limiting plate 421 is perpendicular to the fixed slot 41, then hold the handle 8 to take off the sealing door 3, then put the detection product into the shielding box body 1 through the opening 2, then hold the handle 8 to insert the sealing door 3 into the opening 2, then hold the two rotating handles 431 to rotate 90° inward, then the extension plate 432 drives the four connecting plates 433 to push and pull the four limiting plates 421 to rotate, so that the one end of the four limiting plates 421 is rotated and inserted into the four limiting slots 422, since the limiting slot 422 is gradually inclined, the one end of the limiting plate 421 is gradually inserted, then the sealing door 3 is tightly attached to the opening 2, so that the sealing property is improved, when the sealing door 3 is fixed, the product is detected through the control button 5, the radio frequency head 6 and the RJ45 transmission module 7.

[0024] The above is only a specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A front opening shielded box, characterized by: The shielding box comprises a shielding box body, an opening penetrating the shielding cavity on one side of the shielding box body for feeding and discharging in a stepped manner, a sealing door in plug-in mode arranged on the opening for sealing, a quick fixing assembly arranged on both sides of the sealing door for quick limiting and continuing extrusion of the sealing door and the opening to increase the sealing performance, two control buttons arranged on both sides of the sealing box body below the sealing door, a plurality of radio frequency heads and a plurality of RJ45 transmission modules arranged on the side of the shielding box body opposite to the opening; the quick fixing assembly comprises two fixing grooves arranged on both sides of the sealing door, four groups of rotating and pressing limiting assemblies arranged on both sides of the two fixing grooves and close to four corners of the sealing door for fixing and extruding the sealing door, and two groups of driving assemblies arranged in the two fixing grooves and between the two groups of rotating and pressing limiting assemblies for driving the two groups of rotating and pressing limiting assemblies to rotate respectively.

2. The front opening shielded box of claim 1, wherein: Each of the four groups of rotating and pressing limiting assemblies comprises an L-shaped limiting plate with a bent end rotatingly arranged in the sealing door, and a limiting groove arranged on the outermost side wall of the opening for pressing one end of the limiting plate; the limiting groove is inclined towards the opening on the side close to the sealing door; when the sealing door is in an open state, one end of the limiting plate is located in the fixing groove and parallel to the fixing groove; when the sealing door is in the open state, the other end of the limiting plate is located in the fixing groove and perpendicular to the fixing groove; the two limiting plates are placed in the same direction.

3. The front opening shielded box of claim 1, wherein: Each of the two groups of driving assemblies comprises a rotating handle rotatingly arranged on the sealing door and penetrating the sealing door to the middle part of the fixing groove at one end, two extension plates arranged on the end of the rotating handle located in the fixing groove, and two connecting plates arranged between the two extension plates from top to bottom at one end and hingedly connected with the top surface and the bottom surface of the other end of the two limiting plates and the fixing groove respectively.

4. The open-front shielded box of claim 1, wherein: Handles are arranged on the middle part of the upper part and the lower part of the sealing door.

5. The open-front shielded box of claim 1, wherein: A plurality of state indicator lamps are arranged on one side of the shielding box above the opening.

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