Electromagnetic shielding door leaf and two-section type assembled shielding door using same

Abstract

The utility model relates to the technical field of shielding, in particular to an electromagnetic shielding door leaf and a two-section type assembled shielding door using the electromagnetic shielding door leaf. At least one mortise and tenon structure extending in the width direction of the electromagnetic shielding door leaf is arranged between the spliced end faces of the upper door body and the lower door body. Each mortise and tenon structure comprises a groove part and a protruding part which are matched in a concave-convex mode. According to the utility model, the processing and splicing procedures can be simplified, and the stability of the long-term use state is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shielding technical field especially relates to a kind of electromagnetic shielding door leaf and the two-section type assembled shielding door using it. BACKGROUND

[0002] The electromagnetic shielding door is suitable for shielding room with electromagnetic shielding demand, and the shielding room is mainly used for isolating external electromagnetic interference, ensuring the normal work of indoor electronic and electrical equipment, preventing electronic communication equipment information leakage, ensuring information security and the like. The shielding door is usually used in places with requirements of preventing electromagnetic wave leakage or electromagnetic wave interference; and the shielding door is the main channel for staff and equipment to enter and exit the shielding room.

[0003] For the shielding room, the size of different shielding rooms is also different in combination with different use regions and use environments, and the size of shielding door configured for part of shielding rooms with larger size can be relatively large. Based on this situation, for the shielding door with larger size, transportation is inconvenient and the transportation cost is also high.

[0004] Based on the above situation, the door leaf that can be assembled is needed to reduce transportation cost and improve transportation convenience, and the door leaf that fits the size of door frame is assembled after being transported to the application scene. For this purpose, the electromagnetic shielding door and use method and storage room disclosed in the publication No. CN117052272B include a door frame body, an upper door piece and a lower door piece; the upper door piece is fixed on the lower door piece, and the upper door piece and the lower door piece are both hinged to the side wall of the door frame body. A sealing groove is formed in the upper end of the lower door piece, and a sealing ring is fixed in the sealing groove. A containing groove is formed in the upper door piece corresponding to the sealing groove, and a sealing piece is fixed in the containing groove. When the upper door piece and the lower door piece abut, the sealing ring is adapted to extrude the sealing piece to deform. On this basis, the upper door piece and the lower door piece also need to be fastened and matched through screws between the two door pieces.

[0005] For the disclosed technology, it is found through actual research and use that the sealing ring may age and cause the degradation of sealing performance as the use time is prolonged, especially for relatively harsh environment, so that the reliability under long-term use condition cannot be guaranteed, and the stability of the connection state between the sealing ring and the sealing groove here can also be partially invalid due to the aging of the sealing ring. In addition, the fastening and matching mode to connect the upper door piece and the lower door piece will simultaneously increase the complexity of processing and assembly.

[0006] Therefore, it is necessary to further optimize and improve the assembly structure of the existing technology to simplify the processing and assembly process and improve the stability under long-term use condition. UTILITY MODEL CONTENT

[0007] The first purpose of the utility model is to provide an electromagnetic shielding door leaf to solve the technical problem of simplifying processing and assembling procedures and improving the stability of long-term use.

[0008] The second purpose of the utility model is to provide a two-section assembled shielding door to solve the technical problem of simplifying processing and assembling procedures and improving the stability of long-term use.

[0009] The electromagnetic shielding door leaf is achieved as follows:

[0010] An electromagnetic shielding door leaf comprises:

[0011] The upper door body and the lower door body are adapted to be assembled and matched, and wherein

[0012] At least one mortise and tenon structure extending along the width direction of the electromagnetic shielding door leaf is arranged between the end faces of the upper door body and the lower door body.

[0013] Each mortise and tenon structure comprises a recessed groove part and a protruding part in concave-convex cooperation.

[0014] In the optional implementation of the utility model, the recessed groove part and the protruding part are dovetail-shaped.

[0015] In the optional implementation of the utility model, two mortise and tenon structures are arranged along the thickness direction of the electromagnetic shielding door leaf between the end faces of the upper door body and the lower door body.

[0016] In the optional implementation of the utility model, one of the two mortise and tenon structures comprises a recessed groove part arranged in the upper door body, and the other mortise and tenon structure comprises a protruding part arranged in the upper door body.

[0017] In the optional implementation of the utility model, the electromagnetic shielding door leaf further comprises sealing glue filled in the joint gap formed on the outer surfaces of the upper door body and the lower door body after the upper door body and the lower door body are assembled.

[0018] In the optional implementation of the utility model, the wall surfaces of the recessed groove part and the protruding part are coated with shielding paint.

[0019] The two-section assembled shielding door is achieved as follows:

[0020] A two-section assembled shielding door comprises a door frame, the electromagnetic shielding door leaf, and a shielding assembly arranged between the door frame and the electromagnetic shielding door leaf, and wherein

[0021] The upper door body and the lower door body of the electromagnetic shielding door leaf are connected to the door frame through a hinge respectively.

[0022] In the optional implementation of the utility model, the shielding assembly comprises metal inserts respectively arranged on the side end of the upper door body and the lower door body towards the door frame, and a slot is arranged on the end surface of the door frame towards the upper door body and the lower door body.

[0023] The slot is provided with a metal spring leaf suitable for the insertion of the metal insert.

[0024] In the optional implementation of the utility model, the metal insert comprises an inner metal insert on the inner side and an outer metal insert on the outer side of the inner metal insert.

[0025] The inner metal insert and the outer metal insert are distributed along the outer periphery of the upper door body and the lower door body.

[0026] The outer metal insert is a U-shaped structure.

[0027] In the optional implementation of the utility model, the door frame is provided with a U-shaped limiting frame with an opening towards the electromagnetic shielding door leaf, and a pair of protruding inner metal spring leaves are arranged on the inner side wall of the U-shaped limiting frame, and the pair of inner metal spring leaves are suitable for forming the slot.

[0028] A protruding outer metal spring leaf is arranged on the side end surface of the U-shaped limiting frame towards the center of the door frame.

[0029] When the outer metal insert is inserted into the slot formed by the pair of inner metal spring leaves, the inner metal insert is suitable for abutting against the outer metal spring leaf.

[0030] The utility model has the following beneficial effects by adopting the above technical scheme: the electromagnetic shielding door leaf and the two-section assembled shielding door using the same can directly connect the upper door body and the lower door body through the mortise and tenon structure, and the upper door body and the lower door body are connected to the door frame through a hinge respectively, so that reliable connection of the upper door body and the lower door body can be ensured without additional screws, and the synchronization of the opening and closing operation is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is the first perspective view of the two-section assembled shielding door of the utility model;

[0032] Figure 2 is the second perspective view of the two-section assembled shielding door of the utility model;

[0033] Figure 3 is Figure 2 the enlarged view of A of

[0034] Figure 4is a schematic diagram of the electromagnetic shielding door leaf of the two-section assembled shielding door in one implementation case of the utility model;

[0035] Figure 5 is a schematic diagram of the electromagnetic shielding door leaf of the two-section assembled shielding door in another implementation case of the utility model;

[0036] Figure 6 is a schematic diagram of the electromagnetic shielding door leaf of the two-section assembled shielding door in another implementation case of the utility model.

[0037] In the drawing: upper door body 11, lower door body 12, recess part 21, protruding part 22, sealing glue 3, shielding paint 4, hinge 5, knife groove 6, inner metal plug-in knife 71, outer metal plug-in knife 72, U-shaped limiting frame 8, inner metal spring blade 91, outer metal spring blade 92. DETAILED DESCRIPTION

[0038] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawing, the utility model is further detailed.

[0039] Embodiment 1: please refer to Figures 1 to 6 As shown in the drawing, the embodiment provides an electromagnetic shielding door leaf, comprising: the upper door body 11 and the lower door body 12 suitable for assembling cooperation;Wherein the upper door body 11 and the lower door body 12 between the end face of splicing is equipped with at least one along the width direction of electromagnetic shielding door leaf extending's tenon and mortise structure;Specifically each tenon and mortise structure includes recess part 21 and protruding part 22 in concave-convex cooperation.

[0040] Based on the above situation, combining with the drawing, an optional case is exemplified, recess part 21 and protruding part 22 are dovetail-shaped, in this case, the upper door body 11 and the lower door body 12 during assembling need to be movablely inserted along the width direction Y of electromagnetic shielding door leaf.Accordingly the recess part 21 and the protruding part 22 here can be just ordinary rectangular shape, at this time the upper door body 11 and the lower door body 12 during assembling can be directly along the length direction of electromagnetic shielding door leaf straightly inserted and cooperated.

[0041] Next to be explained, considering in order to improve the reliability and firmness of the assembling structure formed between the upper door body 11 and the lower door body 12, two tenon and mortise structures are spaced apart along the thickness direction X of electromagnetic shielding door leaf between the end face of the upper door body 11 and the lower door body 12 splicing.

[0042] Based on the above situation, furthermore, combining with the drawing, an optional case is exemplified, one of the two tenon and mortise structures includes recess part 21 arranged in the upper door body 11, and the other tenon and mortise structure includes protruding part 22 arranged in the upper door body 11.

[0043] It should be further noted that after the assembly of the upper door body 11 and the lower door body 12 is completed, in order to further improve the synchronization and sealing performance of the assembled structure formed by the upper door body 11 and the lower door body 12 during use, in an optional embodiment, the electromagnetic shielding door leaf further comprises a sealant 3 filled at the joint gap formed on the outer surfaces of the upper door body 11 and the lower door body 12 after the upper door body 11 and the lower door body 12 are spliced. The sealant 3 here is filled on the outer surfaces of the upper door body 11 and the lower door body 12, so that the sealant 3 can be regularly updated or supplemented in the case of long-term use, which is convenient to operate.

[0044] In addition, in another optional implementation, although the overall upper door body 11 and the lower door body 12 are made of materials with electromagnetic shielding performance, in order to eliminate the gap between the mortise and tenon structure and affect the shielding effect, for the scene with high shielding requirements, shielding paint 4 can be coated on the wall surface matched with the groove part 21 and the protruding part 22. The shielding paint 4 here can be used to eliminate the gap. The specific shielding paint 4 can be selected from any mature means in the prior art, and the present embodiment is not absolutely limited thereto. For example, but not limited to, the composite coating electromagnetic shielding paint 4 disclosed in the publication number CN102020899B.

[0045] In summary, for the electromagnetic shielding door leaf of the present embodiment, the use of the sealing ring and the screw in the prior art is cancelled, the processing and assembly process is simplified, and the stability in the long-term use state is improved.

[0046] Embodiment 2: Based on the electromagnetic shielding door leaf of embodiment 1, the present embodiment provides a two-section assembled shielding door, which comprises a door frame 100, the electromagnetic shielding door leaf of embodiment 1, and a shielding assembly arranged between the door frame and the electromagnetic shielding door leaf. The upper door body 11 and the lower door body 12 of the electromagnetic shielding door leaf are respectively connected to the door frame 100 through a hinge 5. The hinge 5 here can be selected from any mature technology applied in the shielding door in the prior art, and the present embodiment is not absolutely limited thereto.

[0047] Based on the above structure, for the upper door body 11 and the lower door body 12 of the assembled electromagnetic shielding door leaf adopted in the present embodiment, the upper door body 11 and the lower door body 12 are directly connected through the mortise and tenon structure, and the upper door body 11 and the lower door body 12 are respectively connected to the door frame 100 through a hinge 5, so that reliable connection of the upper door body 11 and the lower door body 12 can be ensured without additional screws, and the synchronization of the opening and closing operation is maintained.

[0048] On the basis of the above structure, for the shielding assembly used between the electromagnetic shielding door leaf and the door frame, it can adopt any mature means in the prior art, and the present embodiment is not absolutely limited, and an optional case is combined with the drawings, the shielding assembly includes metal inserts respectively arranged on one side of the upper door body 11 and the lower door body 12 towards the door frame 100, and a slot 6 arranged on the end face of the door frame 100 towards the upper door body 11 and the lower door body 12; wherein the slot 6 is provided with a slot 6 formed by a metal spring leaf suitable for the metal insert. The material of the metal insert here can be, for example but not limited to, brass plate or red copper plate, which has good shielding effect.

[0049] More specifically, the metal insert includes an inner metal insert 71 located on the inner side and an outer metal insert 72 located on the outer side of the inner metal insert 71; wherein the inner metal insert 71 and the outer metal insert 72 are distributed along the outer periphery of the upper door body 11 and the lower door body 12; and the outer metal insert 72 is a U-shaped structure. The inner metal insert 71 preferably adopts an L-shaped structure to facilitate its connection with the upper door body 11 and the lower door body 12.

[0050] Here, taking the case of the upper door body 11 and the lower door body 12 made of metal material as an example, the outer metal insert 72 and the inner metal insert 71 can be directly welded and fixed to the upper door body 11 and the lower door body 12, when the electromagnetic shielding door leaf of other material is used, the outer metal insert 72 and the inner metal insert 71 can be fastened and assembled to the upper door body 11 and the lower door body 12 by means of, for example but not limited to, conductive gasket cooperating with screws. It should be noted that when the upper door body 11 and the lower door body 12 are assembled in place, the outer metal insert 72 and the inner metal insert 71 on the upper door body 11 and the lower door body 12 are one-to-one matched.

[0051] In order to cooperate with the above-mentioned outer metal insert 72 and inner metal insert 71, the door frame is provided with a U-shaped limiting frame 8 with an opening facing the electromagnetic shielding door leaf, and a pair of protruding inner metal springs 91 are arranged on the inner side wall of the U-shaped limiting frame 8, a pair of inner metal springs 91 are adapted to form a slot 6; and a protruding outer metal spring 92 is arranged on the side end face of the U-shaped limiting frame 8 towards the center of the door frame; when the outer metal insert 72 is inserted into the slot 6 formed by the pair of inner metal springs 91, the inner metal insert 71 is adapted to abut against the outer metal spring 92. The material of the U-shaped limiting frame 8 here can be, for example but not limited to, electromagnetic aluminum alloy, which is made by high-temperature heating machine mechanism extrusion, has lower manufacturing cost and good shielding effect.

[0052] Finally, it needs to be explained that, no matter the inner metal spring 91 or the outer metal spring 92, it not only includes the convex part 22 for cooperating with the outer metal insert 72 and the inner metal insert 71, but also includes the flat part for cooperating with the U-shaped limiting frame 8, considering that in order to make the flat part better fixed to the U-shaped limiting frame 8, the flat part can be fastened and assembled to the U-shaped limiting frame 8 by, for example but not limited to, the cooperation of the conductive gasket 200 and the screw 300, wherein the conductive gasket 200 has the basic shielding function.

[0053] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above is only a specific embodiment of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0054] In the description of the utility model, it should be understood that the terms indicating the position or location relationship are based on the position or location relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model.

[0055] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0056] In the utility model, unless otherwise explicitly specified and limited, the first feature above or below the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature above, above and above the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature below, below and below the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

Claims

1. An electromagnetic shielding door leaf, characterized in that The electromagnetic shielding door leaf comprises: an upper door body and a lower door body suitable for assembly fitting; wherein at least one mortise and tenon structure extending along the width direction of the electromagnetic shielding door leaf is arranged between the end faces of the upper door body and the lower door body after being spliced together; each of the mortise and tenon structures comprises a recessed groove portion and a protruding portion in a concave-convex fitting manner.

2. Electromagnetic screening door leaf according to claim 1, characterized in that The recessed groove portion and the protruding portion are both dovetail-shaped.

3. Electromagnetic shielding door leaf according to claim 1 or 2, characterized in that Two mortise and tenon structures are arranged along the thickness direction of the electromagnetic shielding door leaf between the end faces of the upper door body and the lower door body after being spliced together.

4. Electromagnetic screening door leaf according to claim 3, characterized in that One of the two mortise and tenon structures comprises a recessed groove portion arranged in the upper door body, and the other mortise and tenon structure comprises a protruding portion arranged in the upper door body.

5. The electromagnetic shield door leaf according to claim 1, characterized in that The electromagnetic shielding door leaf further comprises a sealant filled at the splicing gap formed on the outer surface of the upper door body and the lower door body after being spliced together.

6. The electromagnetic shield door leaf according to claim 1, characterized in that The wall surface of the recessed groove portion and the protruding portion matched with each other is coated with shielding paint.

7. A two-section sectional door, characterized in that The electromagnetic shielding door leaf comprises: a door frame, an electromagnetic shielding door leaf according to any one of claims 1 to 6, and a shielding assembly arranged between the door frame and the electromagnetic shielding door leaf; wherein the upper door body and the lower door body of the electromagnetic shielding door leaf are respectively connected to the door frame through a hinge.

8. The two-section sectional door according to claim 7, characterized in that The shielding assembly comprises metal inserts arranged on the side end of the upper door body and the lower door body facing the door frame, and a slot arranged on the end face of the door frame facing the upper door body and the lower door body; wherein the slot is provided with a slot formed by a metal spring leaf, which is suitable for the insertion of the metal insert.

9. The two-section sectional door according to claim 8, characterized in that The metal insert comprises an inner metal insert on the inner side and an outer metal insert on the outer side of the inner metal insert; wherein the inner metal insert and the outer metal insert are distributed along the outer periphery of the upper door body and the lower door body; and the outer metal insert is in a U-shaped structure.

10. The two-section sectional door according to claim 9, characterized in that The door frame is provided with a U-shaped limiting frame with an opening facing the electromagnetic shielding door leaf, and a pair of protruding inner metal spring leaves are arranged on the inner side wall of the U-shaped limiting frame, which are suitable for forming the slot; and a protruding outer metal spring leaf is arranged on the side end face of the U-shaped limiting frame facing the center of the door frame; when the outer metal insert is inserted into the slot formed by the pair of inner metal spring leaves, the inner metal insert is suitable for abutting against the outer metal spring leaf.

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