CN219344517U - Fireproof door and door plate structure thereof - Google Patents
Fireproof door and door plate structure thereof Download PDFInfo
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- CN219344517U CN219344517U CN202223049224.0U CN202223049224U CN219344517U CN 219344517 U CN219344517 U CN 219344517U CN 202223049224 U CN202223049224 U CN 202223049224U CN 219344517 U CN219344517 U CN 219344517U
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Abstract
The utility model relates to the technical field of fireproof door manufacturing, in particular to a fireproof door and a door plate structure thereof, which comprises a main body frame and a fireproof door core plate; the main body frame comprises a back plate and cover plate parts, wherein mounting plates are vertically arranged on two sides of the back plate, and the cover plate parts are arranged on the back plate and are welded with the mounting plates on two sides of the back plate; the cover plate part comprises at least two cover plates which are arranged side by side, the two sides of each cover plate are vertically provided with support plates, and the two support plates which are positioned in the two adjacent cover plates and mutually abutted are mutually welded; the back plate, the cover plate and the supporting plate enclose a filling cavity, and the filling cavity is filled with the fireproof door core plate. The utility model can save the structure of the steel skeleton on the premise of ensuring the structural strength of the fireproof door, effectively improve the assembly efficiency of the fireproof door and reduce the production cost of the fireproof door.
Description
Technical Field
The utility model relates to the technical field of fireproof door manufacturing, in particular to a fireproof door and a door plate structure thereof.
Background
Aiming at the current standard requirements of the fireproof door, the fire-resistant heat insulation performance and integrity of the second fireproof door are required to be 1 hour. The door plate structure type of the existing fireproof door is divided into a full solid wood structure, a steel panel, a solid wood door core plate, a steel panel, a (steel skeleton, perlite) door core plate or a steel panel, a (steel skeleton, perlite) door core plate and a light calcium fireproof plate structure.
The door plate structure of the existing fireproof door needs to use a steel framework in order to ensure the structural strength of the door plate. Because the production process of the steel skeleton is complex, calibration is required after production, and the assembly difficulty of the fireproof door is increased, the production cost of the fireproof door is increased. Therefore, a door plate structure of a fireproof door is needed at present, and on the premise of ensuring structural strength, a steel framework is removed, so that the production and assembly efficiency of the fireproof door is improved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a door plate structure of a fireproof door, which is stable in structure, saves a steel skeleton and effectively reduces production cost.
The utility model also provides a fireproof door which is high in structural strength and easy to assemble.
In order to solve the problems, the utility model provides a door plate structure of a fireproof door, which comprises a main body frame and a fireproof door core plate;
the main body frame comprises a back plate and cover plate parts, wherein mounting plates are vertically arranged on two sides of the back plate, and the cover plate parts are arranged on the back plate and are welded with the mounting plates on two sides of the back plate; the cover plate part comprises at least two cover plates which are arranged side by side, the two sides of each cover plate are vertically provided with support plates, and the two support plates which are positioned in the two adjacent cover plates and mutually abutted are mutually welded;
the back plate, the cover plate and the supporting plate enclose a filling cavity, and the filling cavity is filled with the fireproof door core plate.
As an improvement of the technical scheme, the supporting plate comprises a vertical plate and a transverse plate bent towards the other side edge of the backboard, the vertical plate is vertically arranged on the side edge of the backboard, and the transverse plate is welded with the backboard.
As an improvement of the technical scheme, the mounting plates comprise a first mounting plate arranged on one side of the backboard and a second mounting plate arranged on the other side of the backboard;
a first extension part extending outwards is arranged on one side of the backboard, a first folding part folding towards the mounting plate on the other side of the backboard is arranged on the side edge of the first extension part, the first mounting plate is arranged on the side edge of the first folding part, a second extension part extending back to the second mounting plate is arranged on the side edge of the first mounting plate, and a second folding part folding towards the first mounting plate is arranged on the side edge of the second extension part; the side of second mounting panel is equipped with the third extension portion that is away from first mounting panel extends.
As an improvement of the technical scheme, the second mounting plate is welded with a reinforcing plate welding strip of a channel steel structure, the bottom of the reinforcing plate welding strip is welded with the second mounting plate, and the side wall of the reinforcing plate welding strip is welded with the third extension part.
As an improvement of the technical scheme, the reinforcing plate welding strip is provided with three reinforcing plate pieces, and two sides of each reinforcing plate piece are welded with two side walls of the reinforcing plate welding strip.
As an improvement of the technical scheme, the top and the bottom of the main body frame are welded with the installation transverse plates of the channel steel-shaped structures, and the bottom of the installation transverse plates is welded with the main body frame.
As an improvement of the technical scheme, the top and the bottom of the back plate are respectively provided with an extension part extending along the length direction of the door plate, and the extension parts are welded with the side walls of the mounting transverse plates.
As an improvement of the above technical solution, the lock box further comprises a lock box mounting groove, wherein the lock box mounting groove is arranged on any side edge of the main body frame.
As an improvement of the technical scheme, fireproof strips are arranged between the two side faces of the fireproof door core plate and the supporting plate.
Correspondingly, the utility model also provides a fireproof door comprising the door plate structure.
The implementation of the utility model has the following beneficial effects:
the utility model provides a door plate structure of a fireproof door, which comprises a main body frame and a fireproof door core plate. The main body frame comprises a back plate and at least two cover plates, wherein support plates are arranged on two opposite sides of the cover plates. Before the main body frame is installed, adjacent cover plates are welded and assembled through the support plates to form cover plate parts, the cover plate parts are arranged between the mounting plates on two sides of the back plate, the inner walls of the mounting plates are in butt joint with the outer walls of the support plates, then the support plates, the back plate and the cover plates form a filling cavity, and the filling cavity is filled with the fireproof door core plate. Compared with the prior art, the door plate structure has the advantages that the cover plate parts are formed by splicing the plurality of cover plates, and the support plates of the adjacent cover plates play a role of reinforcing structures after being spliced and welded, so that the steel skeleton can be saved, the production cost of the fireproof door is reduced, and the production efficiency of the fireproof door is improved.
Drawings
FIG. 1 is a schematic perspective view of a door panel according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of another view of a door panel structure according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a door panel structure according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is an enlarged schematic view at B in FIG. 3;
FIG. 6 is an enlarged schematic view at C in FIG. 3;
FIG. 7 is a schematic cross-sectional view of a cover plate according to an embodiment of the present utility model;
fig. 8 is a schematic perspective view of a back plate according to an embodiment of the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
In order to ensure structural strength, a steel skeleton is used as a supporting structure according to the requirement. Because the production process of the steel skeleton is complex, calibration is required after production, and the assembly difficulty of the fireproof door is increased, the production cost of the fireproof door is increased.
Accordingly, referring to fig. 1 to 7, an embodiment of the present utility model provides a door panel structure of a fire door, including a main body frame and a fire door core panel 3.
According to the embodiment of the utility model, the splicing structure of the main body frame is improved, so that the steel skeleton of the door plate structure can be omitted on the premise of ensuring the structural strength.
Specifically, the main body frame comprises a back plate 1 and cover plate parts, wherein mounting plates 11 are vertically arranged on two sides of the back plate 1, and the cover plate parts are arranged on the back plate 1 and are welded with the mounting plates 11 on two sides of the back plate 1; the cover plate part comprises at least two cover plates 2 which are arranged side by side, the two sides of each cover plate 2 are vertically provided with support plates 21, and the two support plates 21 which are positioned in the two adjacent cover plates 2 and mutually abutted are mutually welded; the back plate 1, the cover plate 2 and the supporting plate 21 enclose a filling cavity, and the filling cavity is filled with the fireproof door core plate 3.
When the door panel structure is installed, firstly, a plurality of cover plates 2 are arranged in parallel, and then the support plates 21 of the adjacent cover plates are contacted with each other and welded, so that the plurality of cover plates 2 are assembled and spliced into a cover plate part; then, the cover plate part is embedded in the back plate 1, the supporting plates 21 on two sides of the cover plate part are welded with the mounting plates on two sides of the back plate 1, and the gaps between the mounting plates 11 and the supporting plates 21 are welded; finally, the supporting plate 21, the back plate 1 and the cover plate 2 form a filling cavity, and the fireproof door core plate 3 is filled in the filling cavity to complete the installation of the door plate structure.
Compared with the prior art, the embodiment of the utility model omits a steel skeleton, and the cover plate part is formed by welding and assembling a plurality of cover plates 2. Because the backup pad 21 of adjacent apron 2 contact welding each other has played additional strengthening's effect, and then makes the door plant structure save steel skeleton under the prerequisite of guaranteeing structural strength, and then reduces the manufacturing cost of preventing fire door and improves its production efficiency.
Further, the supporting plate 21 includes a vertical plate 211 and a transverse plate 212 bent toward the other side of the back plate 1, the vertical plate 211 is vertically disposed on the side of the back plate 1, and the transverse plate 212 is welded with the back plate 1. The supporting plate 21 is an L-shaped structure formed by the vertical plate 211 and the transverse plate 212, so that the contact area between the cover plate 2 and the back plate 1 is increased, the fixing points of fireproof glue and butt welding between the cover plate 2 and the back plate 1 are increased, and the longitudinal structural strength of the door plate structure is further enhanced.
As shown in fig. 5, the mounting plate 11 includes a first mounting plate 111 disposed on one side of the back plate 1 and a second mounting plate 112 disposed on the other side of the back plate;
a first extension part 12 extending outwards is arranged on one side of the back plate 1, a first folding part 13 folding towards the other side of the back plate 1 is arranged on the side of the first extension part 12, the first mounting plate 111 is arranged on the side of the first folding part 13, a second extension part 14 extending back to the second mounting plate 112 is arranged on the side of the first mounting plate 111, and a second folding part 15 folding towards the first mounting plate 111 is arranged on the side of the second extension part 14; the second mounting plate 112 is provided with a third extension 16 on its side extending away from the first mounting plate 111. Because one side of the main body frame forms a folded C-shaped double-layer reinforcing structure through the first extension part 12, the first folding part 13, the first mounting plate 111, the second extension part 14 and the second folding part 15, the structural strength of the side surface of the door plate structure is improved.
Correspondingly, referring to fig. 6, a reinforcing plate welding strip 4 with a channel steel structure is welded on the second mounting plate 112, the bottom of the reinforcing plate welding strip 4 is welded with the second mounting plate 112, and the side wall of the reinforcing plate welding strip 4 is welded with the third extension 16. The second mounting plate 112 is welded and mounted to the reinforcing plate welding strip 4 of the channel-shaped structure through the third extension portion 16, so that the structural strength of the other side edge of the back plate 1 is improved, and meanwhile, the side edge is hinged with the hinge assembly as a hinge edge of the door plate structure.
Preferably, the reinforcing plate welding strip 4 is provided with three reinforcing plate members 5, and two side edges of the reinforcing plate members 5 are welded with two side walls of the reinforcing plate welding strip 4. The reinforcing plate 5 is arranged at the position, so that the structural strength of the hinge structure is improved, and deformation and damage of the hinge structure in the opening and closing process of the fireproof door are avoided.
Further, the top and bottom of the main body frame are welded with a mounting cross plate 6 of a channel steel-shaped structure, and the bottom of the mounting cross plate 6 is welded with the main body frame. The mounting cross plate 6 is used to cover the gaps at the top and bottom of the main body frame.
Wherein, the top and the bottom of the backboard 1 are provided with extension parts 16 extending outwards, and the inner wall of the extension part 16 is welded with the outer side wall of the mounting cross plate 6. The extension 16 cooperates with the mounting cross plate 6 to strengthen the structural strength of the top and bottom of the main body frame.
Further, referring to fig. 2, the door panel structure further includes a lock box mounting groove 7, and the lock box mounting groove 7 is provided on either side of the main body frame. The lock box installation groove 7 is reserved on any side of the main body frame and is used for installing the lock box, so that the subsequent lock body installation is convenient.
Further, as shown in fig. 3 to 6, fireproof strips 31 are provided between both side surfaces of the fireproof door core plate 3 and the support plate 21. The fireproof strips 31 are consistent with the fireproof door core plates 3 in height, are filled between the fireproof door core plates 3 and the supporting plates 1, and improve the structural strength between the fireproof door core plates 3 and the main body frame.
Correspondingly, the embodiment of the utility model also provides a fireproof door which comprises the door plate structure.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. The door plate structure of the fireproof door is characterized by comprising a main body frame and a fireproof door core plate;
the main body frame comprises a back plate and cover plate parts, wherein mounting plates are vertically arranged on two sides of the back plate, and the cover plate parts are arranged on the back plate and are welded with the mounting plates on two sides of the back plate; the cover plate part comprises at least two cover plates which are arranged side by side, the two sides of each cover plate are vertically provided with support plates, and the two support plates which are positioned in the two adjacent cover plates and mutually abutted are mutually welded;
the back plate, the cover plate and the supporting plate enclose a filling cavity, and the filling cavity is filled with the fireproof door core plate.
2. The door panel structure of claim 1, wherein the support plate includes a vertical plate vertically provided on a side of the back plate and a lateral plate bent toward the other side of the back plate, the lateral plate being welded to the back plate.
3. The door panel structure of claim 1 or 2, wherein the mounting plates include a first mounting plate provided on one side of the back plate and a second mounting plate provided on the other side of the back plate;
a first extension part extending outwards is arranged on one side of the backboard, a first folding part folding towards the other side of the backboard is arranged on the side of the first extension part, the first mounting plate is arranged on the side of the first folding part, a second extension part extending back to the second mounting plate is arranged on the side of the first mounting plate, and a second folding part folding towards the first mounting plate is arranged on the side of the second extension part; the side of second mounting panel is equipped with the third extension portion that is away from first mounting panel extends.
4. A door panel structure as claimed in claim 3, wherein a reinforcing panel welding strip of a channel-shaped structure is welded to the second mounting plate, the bottom of the reinforcing panel welding strip is welded to the second mounting plate, and the side wall of the reinforcing panel welding strip is welded to the third extension.
5. The door panel structure of claim 4, wherein the reinforcing plate welding strip is provided with three reinforcing plate members, and both sides of the reinforcing plate members are welded with both side walls of the reinforcing plate welding strip.
6. A door panel structure as claimed in claim 1 or 2, wherein the top and bottom of the main body frame are welded with a mounting cross plate of a channel-shaped structure, and the bottom of the mounting cross plate is welded with the main body frame.
7. The door panel structure of claim 6, wherein the top and bottom of the back panel are each provided with an extension extending along the length of the door panel, the extension being welded to the side wall of the mounting rail.
8. The door panel structure of claim 1, further comprising a lock box mounting slot provided on either side of the main body frame.
9. The door panel structure of claim 1, wherein fire bars are disposed between both sides of the fire door core and the support plate.
10. A fire rated door comprising a door panel structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223049224.0U CN219344517U (en) | 2022-11-16 | 2022-11-16 | Fireproof door and door plate structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223049224.0U CN219344517U (en) | 2022-11-16 | 2022-11-16 | Fireproof door and door plate structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219344517U true CN219344517U (en) | 2023-07-14 |
Family
ID=87099081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223049224.0U Active CN219344517U (en) | 2022-11-16 | 2022-11-16 | Fireproof door and door plate structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219344517U (en) |
-
2022
- 2022-11-16 CN CN202223049224.0U patent/CN219344517U/en active Active
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