CN220929184U - Steel fireproof electromagnetic shielding door structure - Google Patents
Steel fireproof electromagnetic shielding door structure Download PDFInfo
- Publication number
- CN220929184U CN220929184U CN202322169645.5U CN202322169645U CN220929184U CN 220929184 U CN220929184 U CN 220929184U CN 202322169645 U CN202322169645 U CN 202322169645U CN 220929184 U CN220929184 U CN 220929184U
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- door
- door leaf
- electromagnetic shielding
- leaves
- beryllium copper
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 13
- 239000008397 galvanized steel Substances 0.000 claims abstract description 13
- 239000011162 core material Substances 0.000 claims abstract description 6
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Special Wing (AREA)
Abstract
The utility model provides a steel fireproof electromagnetic shielding door structure, which comprises a door frame and double door leaves hinged to two sides of the door frame through hinges, wherein the door frame and the door leaves are made of galvanized steel, inorganic fireproof door core materials are filled in the door leaves, steps for limiting the positions of the door leaves when the door leaves are closed are arranged on vertical sides of the back surfaces of the door frames corresponding to the door leaves, and fireproof expansion sealing strips are arranged at the steps; the front and back sides of the joint of the middle joint of the two door leaves are respectively provided with a first electromagnetic shielding mechanism, and the joint of the door leaves and the door frame is provided with a second electromagnetic shielding mechanism. According to the steel fireproof electromagnetic shielding door structure, electromagnetic shielding treatment structural designs are arranged at the joint of the middle joint of the double door leaves and the gaps around the door leaves, so that the electromagnetic shielding effect is greatly improved.
Description
Technical Field
The utility model relates to the technical field of engineering shielding rooms, in particular to a steel fireproof electromagnetic shielding door structure.
Background
In buildings with both fire protection and electromagnetic shielding requirements, the professional design, manufacture and use of pass gates is critical to ensure that the relevant functions are achieved. At present, an elastic reed is arranged at a gap in most electromagnetic shielding, but the gap is not usually subjected to shielding treatment, so that the tightness is affected.
The utility model provides a steel fireproof electromagnetic shielding door which can meet the composite requirements of different places on fireproof and electromagnetic shielding.
Disclosure of utility model
The utility model provides a steel fireproof electromagnetic shielding door structure, which comprises a door frame and double door leaves hinged with two sides of the door frame through hinges,
The door frame and the door leaf are both made of galvanized steel, inorganic fireproof door core materials are filled in the door leaf, a step used for limiting the position of the door leaf when the door leaf is closed is arranged on the vertical side edge of the door frame corresponding to the back surface of the door leaf, and fireproof expansion sealing strips are arranged at the step;
The front and back sides of the joint of the middle joint of the two door leaves are respectively provided with a first electromagnetic shielding mechanism, and the joint of the door leaves and the door frame is provided with a second electromagnetic shielding mechanism.
Further, the first electromagnetic shielding mechanism includes: the first cover sealing plate is arranged on the front surface of the first door leaf, close to the middle joint overlapping part and extends outwards, and the second cover sealing plate is arranged on the back surface of the second door leaf, close to the middle joint overlapping part and extends outwards;
When the first door leaf and the second door leaf are closed, the first cover sealing plate and the second cover sealing plate cover the front and the back of the joint of the middle joint respectively, and the first semicircular elastic beryllium copper contact and the second semicircular elastic beryllium copper contact are in close contact with the front surface of the second door leaf and the back surface of the first door leaf respectively.
Further, the first cover sealing plate and the second cover sealing plate both comprise an outer U-shaped plate and an L-shaped extension plate arranged in the interval outer U-shaped plate, the first semicircular elastic beryllium copper contact and the second semicircular elastic beryllium copper contact are arranged on the L-shaped extension plate, and when the first door leaf and the second door leaf are closed, the outer side edge of the outer U-shaped plate is in close contact with the front surface of the second door leaf and the back surface of the first door leaf.
Further, the second electromagnetic shielding mechanism includes:
A third semicircular elastic beryllium copper contact is arranged at the transverse lap joint position of the upper transverse frame and the lower threshold of the door frame and the door leaf; and
At the vertical overlap joint of door frame and door leaf, the vertical limit of door frame is equipped with a plurality of fourth elasticity beryllium copper contact, and the side of door leaf sets up brass sheet.
Further, the door frame is made of galvanized steel sheet bending pieces with the thickness of 1.5 mm;
The surface material of the door leaf is assembled by galvanized steel plates with the thickness of 1.0mm and galvanized steel bending pieces with the thickness of 1.0 mm.
Furthermore, a lock and a latch are arranged on the door leaf.
According to the steel fireproof electromagnetic shielding door structure, the electromagnetic shielding treatment structural design is arranged at the joint of the middle joint of the double door leaves, so that the electromagnetic shielding effect is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a front view of a double door steel fire-proof electromagnetic shielding door structure provided by the utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a node at a double door seam;
FIG. 4 is an enlarged view of a portion of a double door seam;
FIG. 5 is an enlarged view of a joint where the door leaf is overlapped with the upper frame;
FIG. 6 is an enlarged view of the joint of the door leaf and the sill;
fig. 7 is a schematic view of a door leaf side frame side electromagnetic shielding process.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
In order to provide a thorough understanding of the present utility model, detailed steps and detailed structures will be presented in the following description in order to explain the technical solution of the present utility model. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.
Referring to fig. 1, the utility model provides a steel fireproof electromagnetic shielding door structure, which consists of a door frame 1, a door leaf 3, a hinge 2, a lock 4, a bolt 5 and other parts.
The door frame 1 of the utility model is formed by bending a galvanized steel sheet with the thickness of 1.5 mm.
The door leaf 3 is a structure that a galvanized steel bending piece with the thickness of 1.0mm and the thickness of 1.0mm is coated with an inorganic fireproof door core material; inorganic fireproof door core materials filled in the door leaf select corresponding door core thickness according to different fireproof grades; the door leaf panel is formed by processing a whole galvanized steel sheet with the thickness of 1.0 mm. The edge of the middle part of the double door fan is provided with a cover sealing plate 6, and the center joint is effectively shielded, so that the effects of fire prevention and electromagnetic shielding are achieved.
The door leaf 3 is connected with the door frame 1 through the hinge 2, and the locking of the door leaf is realized through the lockset 4 and the latch 5. The door closer can be arranged on the door leaf 3 according to the use requirement, so that the door leaf can be automatically closed.
The vertical side of the door frame 1 corresponding to the back of the door leaf 3 is provided with a step used for limiting the position of the door leaf 3 when closed, and the step is provided with a fireproof expansion sealing strip 7 which can prevent flame and smoke from spreading.
The front and back sides of the joint of the middle joint of the two door leaves 3 are respectively provided with a first electromagnetic shielding mechanism, as shown in fig. 2-3, the first electromagnetic shielding mechanism comprises: the first door leaf 31 is provided with a first cover sealing plate 11 which is arranged on the front surface close to the middle joint overlapping part and extends outwards, and a second cover sealing plate 12 which is arranged on the back surface of the second door leaf 32 and is arranged close to the middle joint overlapping part and extends outwards, and a first semicircular elastic beryllium copper contact 13 and a second semicircular elastic beryllium copper contact 14 are respectively arranged on the inner sides of the first cover sealing plate 11 and the second cover sealing plate 12. When the first door leaf 31 and the second door leaf 32 are closed, the first cover sealing plate 11 and the second cover sealing plate 12 cover the front and the back of the middle joint overlap joint respectively, and the first semicircular elastic beryllium copper contact 13 and the second semicircular elastic beryllium copper contact 14 are in close contact with the front surface of the second door leaf 32 and the back surface of the first door leaf 31 respectively.
As further shown in fig. 4, the first cover sealing plate 11 and the second cover sealing plate 12 each include an outer U-shaped plate 15 and an L-shaped extension plate 16 disposed within the spaced outer U-shaped plate 15. The first semicircular spring beryllium copper contact 13 is provided on the side of the L-shaped extension plate 16 adjacent the second door leaf 32. When the first door leaf 31 and the second door leaf 32 are closed, the outer side edge of the outer U-shaped plate 15 is in close contact with the front surface of the second door leaf 32, so that the sealing and electromagnetic shielding effect of the joint of the middle joint is ensured.
The lap joint of the periphery of the door leaf 3 and the door frame 1 is provided with a second electromagnetic shielding mechanism, and the second electromagnetic shielding mechanism comprises:
1) A third semicircular elastic beryllium copper contact 21 is provided at the lateral overlap of the upper and lower sills of the door frame 1 with the door leaf 3, as shown in fig. 5 and 6. When the door leaf is closed, the third semicircular elastic beryllium copper contact 21 is in close contact with the door leaf, and the door leaf panel is made of galvanized steel plates, so that effective conductive contact can be formed, and the electromagnetic shielding effect of the upper gap and the lower gap is ensured.
2) At the vertical lap joint of the door frame 1 and the door leaf 3, the vertical edge of the door frame 1 is provided with a plurality of fourth elastic beryllium copper contacts 24, and the side edge of the door leaf 3 is provided with brass sheets 25, as shown in fig. 7. In fig. 7, a is a side view, b is a side view in the C direction, and C is a top view of a. When the door leaf 3 is closed, the brass sheet 25 at the side edge of the door leaf can press the fourth elastic beryllium copper contact 24 on the vertical edge of the door frame, so that effective conductive contact can be formed, and the electromagnetic shielding effect of the vertical gap is ensured.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. The steel fireproof electromagnetic shielding door structure comprises a door frame (1) and double door leaves (3) hinged to two sides of the door frame (1) through hinges (2), and is characterized in that the door frame (1) and the door leaves (3) are made of galvanized steel, inorganic fireproof door core materials are filled in the door leaves (3), steps used for limiting the positions of the door leaves (3) when the door leaves (3) are closed are arranged on vertical sides of the door frame (1) corresponding to the back surfaces of the door leaves (3), and fireproof expansion sealing strips (7) are arranged at the steps;
The front and back sides of the joint of the middle joint of the two door leaves (3) are respectively provided with a first electromagnetic shielding mechanism, and the first electromagnetic shielding mechanism comprises: the first door leaf (31) is provided with a first cover sealing plate (11) which is arranged on the front surface and is close to the middle joint overlapping position, and the second door leaf (32) is provided with a second cover sealing plate (12) which is arranged on the back surface and is close to the middle joint overlapping position, wherein the inner sides of the first cover sealing plate (11) and the second cover sealing plate (12) are respectively provided with a first semicircular elastic beryllium copper contact (13) and a second semicircular elastic beryllium copper contact (14);
When the first door leaf (31) and the second door leaf (32) are closed, the first cover sealing plate (11) and the second cover sealing plate (12) are respectively covered on the front side and the back side of the middle joint lap joint, and the first semicircular elastic beryllium copper contact (13) and the second semicircular elastic beryllium copper contact (14) are respectively in close contact with the front side of the second door leaf (32) and the back side of the first door leaf (31).
2. The steel fireproof electromagnetic shielding door structure according to claim 1, wherein the first cover sealing plate (11) and the second cover sealing plate (12) both comprise an outer layer U-shaped plate (15) and an L-shaped extension plate (16) arranged in the interval outer layer U-shaped plate (15), the first semicircular elastic beryllium copper contact (13) and the second semicircular elastic beryllium copper contact (14) are arranged on the L-shaped extension plate (16), and when the first door leaf (31) and the second door leaf (32) are closed, the outer side edge of the outer layer U-shaped plate (15) is tightly contacted with the front surface of the second door leaf (32) and the back surface of the first door leaf (31).
3. The steel fireproof electromagnetic shielding door structure according to claim 1, wherein the overlapping part of the door leaf (3) and the door frame (1) is further provided with a second electromagnetic shielding mechanism, and the second electromagnetic shielding mechanism comprises:
A third semicircular elastic beryllium copper contact (21) is arranged at the transverse lap joint position of the upper transverse frame and the lower threshold of the door frame (1) and the door leaf (3); and
At the vertical lap joint of the door frame (1) and the door leaf (3), the vertical edge of the door frame (1) is provided with a plurality of fourth elastic beryllium copper contacts (24), and the side edge of the door leaf (3) is provided with a brass sheet (25).
4. A steel fire-resistant electromagnetic shielding door structure according to claim 1, characterized in that the door frame (1) is made of galvanized steel sheet bent pieces of 1.5mm thickness;
The surface material of the door leaf (3) is assembled by galvanized steel plates with the thickness of 1.0mm and galvanized steel bending pieces with the thickness of 1.0 mm.
5. A steel fire-resistant electromagnetic screen door structure as claimed in claim 1, characterized in that the door leaf (3) is provided with a lock (4) and a bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169645.5U CN220929184U (en) | 2023-08-14 | 2023-08-14 | Steel fireproof electromagnetic shielding door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169645.5U CN220929184U (en) | 2023-08-14 | 2023-08-14 | Steel fireproof electromagnetic shielding door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220929184U true CN220929184U (en) | 2024-05-10 |
Family
ID=90961574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169645.5U Active CN220929184U (en) | 2023-08-14 | 2023-08-14 | Steel fireproof electromagnetic shielding door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220929184U (en) |
-
2023
- 2023-08-14 CN CN202322169645.5U patent/CN220929184U/en active Active
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