CN219412388U - Buckled steel fireproof door - Google Patents
Buckled steel fireproof door Download PDFInfo
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- CN219412388U CN219412388U CN202320340276.9U CN202320340276U CN219412388U CN 219412388 U CN219412388 U CN 219412388U CN 202320340276 U CN202320340276 U CN 202320340276U CN 219412388 U CN219412388 U CN 219412388U
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Abstract
The utility model provides a buckled steel fireproof door, which belongs to the technical field of fireproof doors and comprises: a door panel; the door plate comprises an upper layer plate and a lower layer plate which are fixedly connected together in a plugging manner; the upper layer plate comprises a rectangular upper bottom plate, a first long side, a second long side, a first short side and a second short side, wherein the first long side, the second long side, the first short side and the second short side are formed by bending four sides of the rectangular upper bottom plate; the lower layer plate comprises a rectangular lower bottom plate and a third long side, a fourth long side, a third short side and a fourth short side which are formed by bending four sides of the rectangular lower bottom plate. When in buckling, the long and short sides of the upper layer plate are matched and buckled with the long and short sides of the lower layer plate, welding and fixedly connecting are not needed, and the production process is more environment-friendly.
Description
Technical Field
The utility model relates to the technical field of fireproof doors, in particular to a buckled steel fireproof door.
Background
Modern high-rise building stairways are provided with fireproof fire doors for blocking fire spreading and leaving a safety channel. Fireproof door is made by the shell cladding fireproof material that has the fireproof function, and the shell adopts welded fastening to be an integer, can produce harmful gas pollution environment when adopting welding process welding fireproof door shell, and not enough environmental protection, the welding is wasted time and energy simultaneously, and processing cost is high. Therefore, the utility model provides a buckled steel fireproof door.
Disclosure of Invention
The utility model aims to provide a buckled steel fireproof door.
In order to solve the technical problems, the aim of the utility model is realized as follows:
a buckled steel fire door comprising: a door panel; the door plate comprises an upper layer plate and a lower layer plate which are fixedly connected together in a plugging manner;
the upper layer plate comprises a rectangular upper bottom plate, a first long side, a second long side, a first short side and a second short side, wherein the first long side, the second long side, the first short side and the second short side are formed by bending four sides of the rectangular upper bottom plate; the first long side is L-shaped, the vertical section is connected with the rectangular upper bottom plate, and the horizontal section is parallel to the rectangular upper bottom plate and extends in a direction deviating from the center of the rectangular upper bottom plate; the second long side is in a V shape, one side end is connected with the rectangular upper bottom plate, and the tip end faces the center direction of the rectangular upper bottom plate; the first short side and the second short side are perpendicular to the rectangular upper bottom plate;
the lower layer plate comprises a rectangular lower bottom plate and a third long side, a fourth long side, a third short side and a fourth short side which are formed by bending four sides of the rectangular lower bottom plate; the third long side is V-shaped, one side of the third long side is connected with the rectangular lower bottom plate, and the tip of the third long side faces the direction deviating from the center of the rectangular lower bottom plate; the fourth long side is L-shaped, the vertical section is connected with the rectangular lower bottom plate, and the horizontal section is parallel to the rectangular lower bottom plate and extends towards the center of the rectangular lower bottom plate; the third short side and the fourth short side are perpendicular to the rectangular lower bottom plate.
On the basis of the above scheme and as a preferable scheme of the above scheme, the first short side, the second short side, the third short side and the fourth short side have the same structure, and the middle part is provided with a bend to enable the upper half part to be closer to the center of the rectangular upper bottom plate or the rectangular lower bottom plate.
On the basis of the above scheme and as a preferable scheme of the above scheme, when the upper layer plate is buckled with the lower layer plate, the first short side upper half part is attached to the third short side upper half part, and the attaching part is provided with screw reinforcement; the second short side is attached to the upper half portion of the fourth short side, and the attaching portion is provided with screw reinforcement.
On the basis of the scheme and as a preferable scheme of the scheme, the middle part of the first long-side vertical section is concave.
On the basis of the scheme, the door frame is a preferable scheme of the scheme, and further comprises a door frame; the door frame comprises a cross beam and a vertical beam; the end part of the cross beam is provided with an inserting sheet; and the vertical beam is provided with an inserting port.
The beneficial effects of the utility model are as follows: according to the fireproof door provided by the utility model, the horizontal section of the L-shaped long side is clamped by the V-shaped long side, so that the buckling and fixing between the upper layer plate and the lower layer plate are realized, the fireproof door can be fixed into a whole without welding, and the fireproof door is more environment-friendly; the upper layer plate and the lower layer plate form a door surface bottom plate and side edges through cutting and bending, the plates are integrally formed, splicing processing is not needed, processing is more convenient, and control of production cost is facilitated.
Drawings
FIG. 1 is a schematic view of a door panel according to the present utility model.
Fig. 2 is a top view of the present utility model.
FIG. 3 is a schematic view of the upper plate structure of the present utility model.
Fig. 4 is a schematic view of the hidden short side structure of the upper plate of the present utility model.
FIG. 5 is a schematic view of the lower plate structure of the present utility model.
Fig. 6 is a schematic view of the structure of the door frame of the present utility model.
In the figure: 1. an upper plate; 11. a rectangular upper base plate; 12. a first long side; 13. a second long side; 14. a first short side; 15. a second short side; 2. a lower plate; 21. a rectangular lower base plate; 22. a third long side; 23. a fourth long side; 24. a third short side; 25. a fourth short side; 3. a cross beam; 31. a plug-in piece; 4. a vertical beam; 41. and an interface.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
A buckled steel fire door comprising: door panels and door frames. The door plant rotates to connect on the door frame, and the door frame is fixed in on the building.
As shown in fig. 1, the door panel comprises an upper layer plate 1 and a lower layer plate 2 which are fixedly connected together in a plugging, buckling manner.
As shown in fig. 6, the door frame includes a cross beam 3 and a vertical beam 4 fixedly connected together by plugging.
As shown in fig. 3 and 4, the upper plate 1 includes a rectangular upper plate 11, and a first long side 12, a second long side 13, a first short side 14, and a second short side 15 formed by bending four sides of the rectangular upper plate 11.
The section of the first long side 12 is L-shaped, the vertical section of the L-shaped is connected with the long side of the rectangular upper bottom plate 11, the horizontal section is parallel to the rectangular upper bottom plate 11 and extends in the direction deviating from the center of the rectangular upper bottom plate 11, protrudes out of the coverage range of the door plate and is used for forming a joint cover plate.
The section of the second long side 13 is V-shaped, one side end is connected with the rectangular upper bottom plate 11, the tip faces the center direction of the rectangular upper bottom plate 11, the second long side 13 is formed in the coverage area of the door plate, and the integrity is higher after buckling connection.
The first short side 14 and the second short side 15 are perpendicular to the rectangular upper bottom plate 11.
The first long side 12, the second long side 13, the first short side 14 and the second short side 15 are formed by bending a rectangular upper bottom plate 11, the rectangular upper bottom plate 11 serves as a panel of the fireproof door, and the long and short sides serve as side edges of the fireproof door.
As shown in fig. 5, the lower plate 2 includes a rectangular lower plate 21, and a third long side 22, a fourth long side 23, a third short side 24, and a fourth short side 25 formed by bending four sides of the rectangular lower plate 21.
The third long side 22 is V-shaped in cross section, and is connected with the rectangular lower bottom plate 21, and the tip is directed in a direction away from the center of the rectangular lower bottom plate 21, so that the third long side 22 is formed outside the coverage range of the door panel, and is matched with the first long side 12 to serve as a joint cover plate of the fireproof door.
The section of the fourth long side 23 is L-shaped, the vertical section is connected with the rectangular lower bottom plate 21, the horizontal section is parallel to the rectangular lower bottom plate 21 and extends towards the center of the rectangular lower bottom plate 21, so that the rectangular lower bottom plate is formed in the coverage area of the door plate, and the integrity after buckling is higher.
The third and fourth short sides 24, 25 are perpendicular to the rectangular lower plate 21.
The first short side 14, the second short side 15, the third short side 24 and the fourth short side 25 have the same structure, and the middle parts are all provided with a bend to make the upper half parts thereof closer to the center of the rectangular upper bottom plate 11 or the rectangular lower bottom plate 21. When the upper layer plate 1 is buckled with the lower layer plate 2, the upper half part of the first short side 14 is bonded with the upper half part of the third short side 24, and the bonding part is provided with screw reinforcement; the second short side 15 is attached to the upper half of the fourth short side 25, and the attaching portion is provided with screw reinforcement. The screw reinforcement is two minor faces of screw through connection to laminating, improves joint strength. After the buckling, the upper half part of the short side is attached to the middle part of the side edge of the door plate, and the upper half part is closer to the center of the bottom plate, so that the middle part of the door plate is concave inwards, and the bulge matched with the door frame can play a certain limiting role on the fireproof door.
Further, the middle of the vertical section of the first long side 12 is concave, so that the middle of the side edge of the fireproof door is concave, and the fireproof door can be limited by matching with the door frame bulge.
Preferably, the upper layer plate 1 and the lower layer plate 2 adopt galvanized steel plates, have good fireproof performance and excellent strength, meet the use requirement of the fireproof door, and the good fireproof performance of the galvanized steel plates can ensure that fireproof paint does not need to be sprayed when the fireproof door is produced, so that the production and processing steps are reduced, and the fireproof door is more environment-friendly without paint spraying.
The door panel is internally filled with perlite fireproof materials, and the production steps comprise: cutting, namely cutting the galvanized steel sheet into rectangular plates with a preset size; punching, namely punching the rectangular plate, and punching rectangular openings at four corners of the rectangular plate at the same time so as to bend edges of the rectangular plate subsequently; bending, namely bending a long side firstly and bending a short side later; filling, namely filling perlite into a door plate, and fixing the perlite by using glue; the upper plate 1 is buckled on the lower plate 2, the horizontal section of the first long side 12 is clamped by the third long side 22, and the horizontal section of the fourth long side 23 is clamped by the second long side 13.
The end part of the cross beam 3 is provided with a plug-in sheet 31; the vertical beam 4 is provided with an inserting port 41. When the cross beam 3 and the vertical beam 4 are assembled, the insertion piece 31 is inserted into the insertion port 41, and then the insertion piece 31 is bent, so that the cross beam 3 and the vertical beam 4 can be fixed.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (5)
1. A buckled steel fireproof door, comprising: a door panel; the door plate comprises an upper layer plate (1) and a lower layer plate (2) which are fixedly connected together in a plugging manner;
the upper layer plate (1) comprises a rectangular upper bottom plate (11), a first long side (12), a second long side (13), a first short side (14) and a second short side (15) which are formed by bending four sides of the rectangular upper bottom plate (11); the first long side (12) is L-shaped, the vertical section is connected with the rectangular upper bottom plate (11), and the horizontal section is parallel to the rectangular upper bottom plate (11) and extends in a direction deviating from the center of the rectangular upper bottom plate (11); the second long side (13) is V-shaped, one side end is connected with the rectangular upper bottom plate (11), and the tip end faces the center direction of the rectangular upper bottom plate (11); the first short side (14) and the second short side (15) are perpendicular to the rectangular upper bottom plate (11);
the lower layer plate (2) comprises a rectangular lower base plate (21), and a third long side (22), a fourth long side (23), a third short side (24) and a fourth short side (25) which are formed by bending four sides of the rectangular lower base plate (21); the third long side (22) is V-shaped, one side of the third long side is connected with the rectangular lower bottom plate (21), and the tip of the third long side faces away from the center of the rectangular lower bottom plate (21); the fourth long side (23) is L-shaped, a vertical section is connected with the rectangular lower bottom plate (21), and a horizontal section is parallel to the rectangular lower bottom plate (21) and extends towards the center of the rectangular lower bottom plate (21); the third short side (24) and the fourth short side (25) are perpendicular to the rectangular lower plate (21).
2. A buckled steel fire door according to claim 1, characterized in that said first short side (14), said second short side (15), said third short side (24) and said fourth short side (25) are of the same structure, and that a bend is provided in the middle part to bring the upper half part closer to the centre of said rectangular upper base plate (11) or said rectangular lower base plate (21).
3. The buckled steel fireproof door according to claim 1, characterized in that when the upper plate (1) and the lower plate (2) are buckled, the upper half part of the first short side (14) is buckled with the upper half part of the third short side (24), and the buckled part is provided with screw reinforcement; the second short side (15) is attached to the upper half part of the fourth short side (25), and the attaching part is provided with screw reinforcement.
4. A buckled steel fire door according to claim 1 characterised in that said first long side (12) is concave in the middle of the vertical section.
5. The buckled steel fire door according to claim 1 further comprising a door frame; the door frame comprises a cross beam (3) and a vertical beam (4); the end part of the cross beam (3) is provided with an inserting sheet (31); an inserting port (41) is formed in the vertical beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340276.9U CN219412388U (en) | 2023-02-16 | 2023-02-16 | Buckled steel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340276.9U CN219412388U (en) | 2023-02-16 | 2023-02-16 | Buckled steel fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412388U true CN219412388U (en) | 2023-07-25 |
Family
ID=87233456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320340276.9U Active CN219412388U (en) | 2023-02-16 | 2023-02-16 | Buckled steel fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219412388U (en) |
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2023
- 2023-02-16 CN CN202320340276.9U patent/CN219412388U/en active Active
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