CN215169484U - Composite steel fireproof door - Google Patents
Composite steel fireproof door Download PDFInfo
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- CN215169484U CN215169484U CN202120661538.2U CN202120661538U CN215169484U CN 215169484 U CN215169484 U CN 215169484U CN 202120661538 U CN202120661538 U CN 202120661538U CN 215169484 U CN215169484 U CN 215169484U
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- filling cavity
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- door leaf
- fireproof
- steel door
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Abstract
The utility model relates to a composite steel fireproof door, which comprises a steel door frame, wherein the steel door frame is connected with a steel door leaf through a hinge; the steel door leaf comprises a back plate and a face plate, and a door leaf framework is arranged between the back plate and the face plate; the door leaf framework comprises a framework body, a partition plate is arranged in the middle of the framework body, an upper filling cavity and a lower filling cavity are respectively arranged above and below the partition plate, and fireproof flame-retardant structures are respectively arranged in the upper filling cavity and the lower filling cavity; the left side wall and the right side wall of the upper filling cavity and the lower filling cavity are provided with embedded grooves, and the upper surface and the lower surface of the upper filling cavity and the lower filling cavity are provided with sealing grooves corresponding to the embedded grooves. The utility model has the characteristics of can effectively improve the fire prevention sealing performance.
Description
Technical Field
The utility model relates to a fire door is prevented to steel, especially a fire door is prevented to compound steel.
Background
The steel fireproof door is composed of a door frame and a door leaf which are made of steel materials, the door leaf is composed of a door leaf framework and a door leaf panel, and the door leaf is filled with fireproof heat-insulating materials which are non-toxic and harmless to human bodies and is matched with fireproof hardware fittings to form the door with certain fireproof performance. However, the existing steel fire-proof door has poor fire-proof and sealing performance, and smoke can enter a room when a fire occurs. Therefore, the prior art has the problem of poor fireproof sealing performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire door is prevented to compound steel. The utility model has the characteristics of can effectively improve the fire prevention sealing performance.
The technical scheme of the utility model: the composite steel fireproof door comprises a steel door frame, wherein the steel door frame is connected with a steel door leaf through a hinge; the steel door leaf comprises a back plate and a face plate, and a door leaf framework is arranged between the back plate and the face plate; the door leaf framework comprises a framework body, a partition plate is arranged in the middle of the framework body, an upper filling cavity and a lower filling cavity are respectively arranged above and below the partition plate, and fireproof flame-retardant structures are respectively arranged in the upper filling cavity and the lower filling cavity; the left side wall and the right side wall of the upper filling cavity and the lower filling cavity are provided with embedded grooves, and the upper surface and the lower surface of the upper filling cavity and the lower filling cavity are provided with sealing grooves corresponding to the embedded grooves.
In the composite steel fireproof door, the fireproof and flame-retardant structure comprises a plurality of perlite fireproof plates which are distributed side by side, and the perlite fireproof plates correspond to the embedded grooves; glass wool is filled between the adjacent perlite fireproof plates.
In the aforementioned fire door is prevented to compound steel, be close to steel door leaf side in the steel door frame and be equipped with the ladder groove, be equipped with the sealing strip on the ladder groove.
In the composite steel fireproof door, the outer frame edge of the steel door frame is provided with the annular groove, and the annular groove is embedded with the fireproof expansion sealing strip.
Compared with the prior art, the utility model discloses constitute by steel door frame, steel door leaf, and the steel door leaf comprises door leaf skeleton, backplate and panel again, through pack the chamber on the skeleton body, pack down and set up on the chamber both sides wall and inlay and establish the groove, set up relative seal groove above and below for place the pearlite PLASTIC LAMINATED, the installation of the pearlite PLASTIC LAMINATED of both being convenient for improves the erection strength, the seal groove, inlay and establish still can form back type groove structure between groove and the pearlite PLASTIC LAMINATED, be favorable to improving fire behavior. Meanwhile, the utility model discloses still through the multilayer side by side the pearlite PLASTIC LAMINATED and the mutual cooperation between the glass cotton, effectively improve the holistic fire prevention heat-proof quality of fire door is prevented to the steel, still has good syllable-dividing effect. Additionally, the utility model discloses a ladder groove department at the steel door frame sets up the sealing strip, is equipped with ring channel and fire prevention inflation sealing strip on the frame edge of steel door frame, improves the sealing performance between door frame and wall body and the door leaf, further improves fire behavior. To sum up, the utility model has the characteristics of can effectively improve the fire prevention sealing performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural view of a steel door leaf;
fig. 3 is a structural view of a door leaf frame;
FIG. 4 is an installation view of a perlite fire shield;
FIG. 5 is a structural view of the caulking groove;
FIG. 6 is a structural view of a steel door frame;
fig. 7 is a sectional view of a steel door frame.
The labels in the figures are: 1-a steel door frame, 2-a steel door leaf, 201-a back plate, 202-a panel, 203-a door leaf framework, 204-a framework body, 205-a separation plate, 206-an upper filling cavity, 207-a lower filling cavity, 208-an embedding groove, 209-a sealing groove, 210-a perlite fireproof plate, 211-glass wool, 3-a stepped groove, 4-a sealing strip, 5-an annular groove and 6-a fireproof expansion sealing strip.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The composite steel fireproof door comprises a steel door frame 1, wherein the steel door frame 1 is connected with a steel door leaf 2 through a hinge, as shown in figures 1 to 7; the steel door leaf 2 comprises a back plate 201 and a panel 202, and a door leaf framework 203 is arranged between the back plate 201 and the panel 202; the door leaf framework 203 comprises a framework body 204, a partition plate 205 is arranged in the middle of the framework body 204, an upper filling cavity 206 and a lower filling cavity 207 are respectively arranged above and below the partition plate 205, and fireproof flame-retardant structures are respectively arranged in the upper filling cavity 206 and the lower filling cavity 207; the left and right side walls of the upper filling cavity 206 and the lower filling cavity 207 are provided with embedded grooves 208, and the upper and lower surfaces of the upper filling cavity 206 and the lower filling cavity 207 are provided with sealing grooves 209 corresponding to the embedded grooves 208.
The fireproof and flame-retardant structure comprises a plurality of perlite fireproof plates 210 which are distributed side by side, and the perlite fireproof plates 210 correspond to the embedded grooves 208; glass wool 211 is filled between the adjacent perlite fireproof plates 210.
A stepped groove 3 is formed in the steel door frame 1 close to the steel door leaf 2, and a sealing strip 4 is arranged on the stepped groove 3.
An annular groove 5 is arranged on the outer frame edge surface of the steel door frame 1, and a fireproof expansion sealing strip 6 is embedded in the annular groove 5.
The framework body comprises two vertical plates which are distributed in parallel, and a top plate and a bottom plate are arranged at the upper end and the lower end between the two vertical plates respectively. During installation, the vertical plate and the bottom plate are connected and fixed, then the perlite fireproof plates are inserted into the embedding grooves, glass wool is filled between the adjacent perlite fireproof plates to complete installation and fixation of the lower filling cavity, then the partition plate and the vertical plate are fixed, the perlite fireproof plates in the upper filling cavity are embedded into the embedding grooves and the sealing grooves, the glass wool is filled, and finally the top plate is installed and fixed to obtain the door leaf framework; and then, mounting the back plate and the panel on the front side and the back side of the door leaf framework to obtain the steel door leaf.
The steel door leaf is arranged on the steel door frame through a hinge.
Claims (4)
1. Compound steel prevents fire door, its characterized in that: comprises a steel door frame (1), wherein the steel door frame (1) is connected with a steel door leaf (2) through a hinge; the steel door leaf (2) comprises a back plate (201) and a face plate (202), and a door leaf framework (203) is arranged between the back plate (201) and the face plate (202); the door leaf framework (203) comprises a framework body (204), a partition plate (205) is arranged in the middle of the framework body (204), an upper filling cavity (206) and a lower filling cavity (207) are respectively arranged above and below the partition plate (205), and fireproof flame-retardant structures are respectively arranged in the upper filling cavity (206) and the lower filling cavity (207); the left side wall and the right side wall of the upper filling cavity (206) and the lower filling cavity (207) are provided with embedded grooves (208), and the upper surface and the lower surface of the upper filling cavity (206) and the lower filling cavity (207) are provided with sealing grooves (209) corresponding to the embedded grooves (208).
2. A composite steel fire door according to claim 1, characterized in that: the fireproof and flame-retardant structure comprises a plurality of perlite fireproof plates (210) which are distributed side by side, and the perlite fireproof plates (210) correspond to the embedded grooves (208); glass wool (211) is filled between the adjacent perlite fireproof plates (210).
3. A composite steel fire door according to claim 1, characterized in that: a stepped groove (3) is formed in the steel door frame (1) close to the steel door leaf (2), and a sealing strip (4) is arranged on the stepped groove (3).
4. A composite steel fire door according to claim 1, characterized in that: an annular groove (5) is arranged on the outer frame edge of the steel door frame (1), and a fireproof expansion sealing strip (6) is embedded in the annular groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661538.2U CN215169484U (en) | 2021-03-31 | 2021-03-31 | Composite steel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120661538.2U CN215169484U (en) | 2021-03-31 | 2021-03-31 | Composite steel fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215169484U true CN215169484U (en) | 2021-12-14 |
Family
ID=79354742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120661538.2U Active CN215169484U (en) | 2021-03-31 | 2021-03-31 | Composite steel fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215169484U (en) |
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2021
- 2021-03-31 CN CN202120661538.2U patent/CN215169484U/en active Active
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