CN217176390U - Frameless fireproof door plate structure - Google Patents
Frameless fireproof door plate structure Download PDFInfo
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- CN217176390U CN217176390U CN202123446624.0U CN202123446624U CN217176390U CN 217176390 U CN217176390 U CN 217176390U CN 202123446624 U CN202123446624 U CN 202123446624U CN 217176390 U CN217176390 U CN 217176390U
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Abstract
The embodiment of the utility model discloses a frameless fireproof door panel structure, which comprises a square outer frame, wherein the square outer frame is made of a galvanized sheet; perlite is filled in the square outer frame, an aluminum plate and a medium density fiberboard are respectively arranged on the outdoor surface and the indoor surface of the square outer frame, the aluminum plate and the medium density fiberboard form a matrix of a fireproof door panel structure, and galvanized plate covered edges are arranged on the peripheral side surfaces of the matrix; a first fireproof structure is arranged between the square outer frame and the galvanized plate edge covering, and a second fireproof structure is arranged on the surface of the galvanized plate edge covering. The utility model discloses a steel skeleton has been saved in preventing fire door plate structure, adopts the fire-proof material of high density high strength to replace, can guarantee to prevent under the prerequisite of fire door bulk strength, reduces production processes, reduction in production cost.
Description
Technical Field
The utility model relates to a building fire prevention technical field especially relates to a fire door plate structure is prevented to no skeleton.
Background
The fireproof door can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, has the functions of preventing fire from spreading and flue gas from diffusing, can prevent the fire from spreading within a certain time, and ensures people to be evacuated. The existing class-B fireproof door requires one hour of fire resistance, heat insulation and integrity, and the structure of the class-B fireproof door plate is generally a steel panel plus (a steel skeleton plus perlite) door core plate or a steel panel plus (a steel skeleton plus perlite) door core plate plus a light calcium fireproof plate structure; above-mentioned structure all needs to use the steel skeleton for guaranteeing fire door's structural strength, however the steel skeleton is heavier and material cost is higher, has increased fire door's production efficiency and manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, the utility model provides a fire door plate structure is prevented to no skeleton, under the prerequisite that does not contain steel skeleton, its bulk strength, fire behavior all accord with production standard.
In order to solve the problems, the utility model provides a frameless fireproof door panel structure, which comprises a square outer frame, wherein the square outer frame is made of a galvanized sheet;
perlite is filled in the square outer frame, an aluminum plate and a medium density fiberboard are respectively arranged on the outdoor surface and the indoor surface of the square outer frame, the aluminum plate and the medium density fiberboard form a matrix of a fireproof door panel structure, and galvanized plate covered edges are arranged on the peripheral side surfaces of the matrix;
a first fireproof structure is arranged between the square outer frame and the galvanized plate edge covering, and a second fireproof structure is arranged on the surface of the galvanized plate edge covering.
As an improvement of the technical scheme, the square outer frame is formed by rolling and pressing a galvanized plate with the thickness of 1.4-1.9 mm.
As an improvement of the technical proposal, the density of the perlite is 400-500kg/m 3 。
As an improvement of the technical scheme, a galvanized sheet layer and a first light calcium fireproof plate are sequentially arranged between the square outer frame and the medium density fiberboard;
and a second light calcium fireproof plate is also arranged between the square outer frame and the aluminum plate.
As an improvement of the technical scheme, the thickness ratio of the medium density fiberboard to the square outer frame to the aluminum plate is (8-10): (38-44): (2-3);
the thickness ratio of the first light calcium fireproof plate to the second light calcium fireproof plate to the galvanized sheet layer is (2.5-4): (2.5-4): (0.5-1).
As an improvement of the above technical solution, the first fireproof structure includes a first groove and a first flame retardant strip; the first groove is formed in the surface of the outer frame, and the first flame-retardant strip is filled in the first groove;
the second fireproof structure comprises a second groove and a second flame-retardant strip; the second groove is arranged on the surface of the galvanized plate edge covering, and the concave direction of the second groove faces the first groove; the second flame-retardant strip is filled in the second groove.
As an improvement of the technical scheme, at least two hinge reinforcing steel plates are arranged on the right side edge outside the square outer frame chamber;
the hinge reinforcing steel plate comprises a groove-shaped steel plate body and connecting plates arranged on two sides of the steel plate body.
As an improvement of the technical scheme, a door closer reinforcing steel plate is arranged on the top of the outdoor surface of the base body.
Implement the utility model discloses following beneficial effect has:
the utility model provides a prevent fire door's door plant structure, including square frame, square frame is made by the galvanized sheet.
The utility model fills high-density perlite in the square outer frame, and the perlite is matched with the square outer frame to replace the traditional steel framework to load other fireproof materials of the fireproof door; specifically, an aluminum plate and a medium density fiberboard are respectively arranged on the outdoor surface and the indoor surface of the square outer frame, the aluminum plate, the square framework and the medium density fiberboard form a base body of the door panel structure, and a galvanized sheet edge covering and fireproof structure is arranged on the peripheral side edge of the base body; the whole door plate structure does not need a steel framework, saves the manufacturing process of the steel framework, can also ensure the integral structural strength of the door plate, can effectively improve the production efficiency and reduce the production cost.
Drawings
Figure 1 is a front view of the fire rated door panel structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view of the hinge reinforcing steel plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
The existing door plate structure of the fireproof door is provided with a steel framework, the steel framework is heavier, the material cost of the steel framework is higher, the production efficiency of the fireproof door is influenced, and the production cost of the fireproof door is increased.
Therefore, referring to fig. 1-3, the present invention provides a frameless fire-proof door panel structure, which comprises a square outer frame 1 made of galvanized sheet.
The utility model discloses a pack the fire-proof material of high strength in square frame 1 to this replaces the steel skeleton.
Specifically, perlite 11 is filled in the square outer frame 1, an aluminum plate 2 and a medium density fiberboard 3 are respectively arranged on the outdoor surface and the indoor surface of the square outer frame 1, the aluminum plate 2 and the medium density fiberboard 3 form a base body of a door panel structure, and galvanized plate covered edges 4 are arranged on the peripheral side surfaces of the base body; a first fireproof structure is arranged between the square outer frame 1 and the galvanized plate edge-covering 4, and a second fireproof structure is arranged on the surface of the galvanized plate edge-covering 4.
The utility model fills the perlite 11 in the square outer frame 1, so that the perlite 11 replaces the steel framework to bear other fireproof materials of the fireproof door panel, thereby saving the production process of the steel framework; perlite is acid lava erupted from volcanoes, and has excellent strength and new fireproof and heat-insulating properties; the outdoor surface and the indoor surface of the square outer frame 1 are respectively provided with an aluminum plate 2 and a medium density fiberboard 3, the aluminum plate 2, the square framework 1 and the medium density fiberboard 3 form a base body of a door panel structure, and the peripheral side edges of the base body are provided with galvanized plate covered edges 4 and a fireproof structure; the whole door plate structure does not need a steel framework, the integral structural strength of the door plate can be ensured, the production efficiency can be effectively improved, and the production cost is reduced.
Wherein, the square outer frame 1 is formed by rolling and pressing a galvanized sheet with the thickness of 1.4-1.9 mm; the galvanized sheet refers to a steel sheet with galvanized surface; exemplary are, but not limited to, 1.4mm, 1.6mm, 1.9 mm; preferably, the square outer frame of the utility model is formed by welding galvanized sheets with the thickness of 1.5 mm.
Wherein the density of the perlite 11 is 400-500kg/m 3 The high-density perlite is selected as the filling material of the square outer frame to ensure the fireproof door panelThe overall strength of the structure; illustratively, 420kg/m 3 、450kg/m 3 、480kg/m 3 、500kg/m 3 But are not limited thereto; preferably, the utility model selects 450kg/m 3 Perlite 11 as a filler material for the square outer frame.
Referring to fig. 3, a galvanized sheet layer 5 and a first light calcium fireproof plate 6 are sequentially arranged between the square outer frame 1 and the medium density fiberboard 3; a second light calcium fireproof plate 7 is arranged between the square outer frame 1 and the aluminum plate 2; specifically, the thickness ratio of the medium density fiberboard 3, the square outer frame 1 and the aluminum plate 2 is (8-10): (38-44): (2-3); the thickness ratio of the first light calcium fireproof plate 6, the second light calcium fireproof plate 7 and the galvanized sheet layer 5 is (2.5-4): (2.5-4): (0.5-1); preferably, the thickness of the first light calcium fireproof plate 6 and the second light calcium fireproof plate 7 is 3mm, the thickness of the aluminum plate 2 is 2mm, the thickness of the galvanized sheet layer 5 is 0.8mm, and the thickness of the whole square outer frame 1 is 39 mm.
Referring to fig. 3, the first fire prevention structure includes a first groove 12 and a first fire retardant strip 13; the first groove 12 is arranged on the surface of the outer frame 1, and the first flame-retardant strip 13 is filled in the first groove 12; the second fire-proof structure includes a second groove 41 and a second fire-retardant strip 42; the second groove 41 is arranged on the surface of the galvanized plate edge cover 4, and the concave direction of the second groove faces the first groove 12; the second flame-retardant strip 42 is filled in the second groove 41; the first flame-retardant strip 13 and the second flame-retardant strip 42 play a role in fire prevention and heat insulation, when a fire disaster happens, the first flame-retardant strip 13 and the second flame-retardant strip 42 can be heated and expand rapidly, gaps between the fireproof door plate and the door frame are filled rapidly, and smoke is prevented from passing through the door gaps.
Referring to fig. 1, the right side edge of the square outer frame 1 outside the room is at least provided with two hinge reinforcing steel plates 8; the hinge reinforcing steel plate 8 comprises a groove-shaped steel plate body 81 and connecting plates 82 arranged on two sides of the steel plate body; the connecting plate 82 is embedded into the side edge of the square outer frame 1, and the steel plate body 81 is hinged with the hinge on the door frame.
Referring to fig. 1, a door closer reinforcing steel plate 9 is arranged on the top of the outdoor surface of the base body; the door closer reinforcing steel plate 9 is used for connecting a door closer on a door frame, and the connection stability of the fireproof door plate and the door closer is enhanced.
The working principle of the embodiment is as follows:
the utility model discloses a fill pearlite 11 in the square frame 1 of making by the galvanized sheet and replace to this replaces in the past and prevent the steel skeleton in the fire door plate structure, and the customization step of saving the steel skeleton has improved the production efficiency of fire door plant greatly, and then has reduced the manufacturing cost who prevents fire door.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (8)
1. The frameless fireproof door panel structure is characterized by comprising a square outer frame, wherein the square outer frame is made of a galvanized sheet;
perlite is filled in the square outer frame, an aluminum plate and a medium density fiberboard are respectively arranged on the outdoor surface and the indoor surface of the square outer frame, the aluminum plate and the medium density fiberboard form a base body of a door panel structure, and galvanized plate covered edges are arranged on the peripheral side surfaces of the base body;
a first fireproof structure is arranged between the square outer frame and the galvanized plate edge covering, and a second fireproof structure is arranged on the surface of the galvanized plate edge covering.
2. The fire door panel structure of claim 1, wherein said square outer frame is roll-formed from galvanized sheet having a thickness of 1.4-1.9 mm.
3. The fire door panel structure of claim 1 wherein said perlite has a density of 400-500kg/m 3 。
4. The fire door panel structure of claim 1, wherein a galvanized sheet layer and a first light calcium fire-proof plate are further provided between said square outer frame and said middle fiberboard in sequence;
and a second light calcium fireproof plate is also arranged between the square outer frame and the aluminum plate.
5. The fire door panel structure of claim 4, wherein said microfiber panel, square frame and aluminum panel have a thickness ratio of (8-10): (38-44): (2-3);
the thickness ratio of the first light calcium fireproof plate to the second light calcium fireproof plate to the galvanized sheet layer is (2.5-4): (2.5-4): (0.5-1).
6. The fire door panel structure of claim 1, wherein said first fire resistant structure includes a first groove and a first fire retardant strip; the first groove is formed in the surface of the square outer frame, and the first flame-retardant strip is filled in the first groove;
the second fireproof structure comprises a second groove and a second flame-retardant strip; the second groove is arranged on the surface of the galvanized plate edge covering, and the concave direction of the second groove faces the first groove; the second flame-retardant strip is filled in the second groove.
7. The fire door panel structure of claim 1, wherein said square outer frame chamber is provided at its right side with at least two hinge reinforced steel panels;
the hinge reinforcing steel plate comprises a groove-shaped steel plate body and connecting plates arranged on two sides of the steel plate body.
8. The fire door panel structure of claim 1, wherein said base is provided with a door closer stiffener plate on top of the exterior surface of the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446624.0U CN217176390U (en) | 2021-12-31 | 2021-12-31 | Frameless fireproof door plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446624.0U CN217176390U (en) | 2021-12-31 | 2021-12-31 | Frameless fireproof door plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217176390U true CN217176390U (en) | 2022-08-12 |
Family
ID=82732813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123446624.0U Active CN217176390U (en) | 2021-12-31 | 2021-12-31 | Frameless fireproof door plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217176390U (en) |
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2021
- 2021-12-31 CN CN202123446624.0U patent/CN217176390U/en active Active
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