CN201687371U - Edge-covering-free steel heat-insulation fireproof door - Google Patents

Abstract

The edge-wrapping-free steel heat-insulation fireproof door comprises a steel door frame and door leaves with two opposite sides, wherein one side of each door leaf is hinged with two sides of the steel door frame through fireproof hinges; the door leaf comprises two steel plates forming an interlayer, expanded perlite is filled in the interlayer, and sealing steel sheets fixed between the steel plates are arranged on the four edges of the interlayer; one side of each door leaf on the two sides, which is matched with each other, is provided with a seam covering plate formed by integrally extending and bending a steel plate on each door leaf, and the front and the back of the seam after the two door leaves are closed are covered by the seam covering plates. The door leaf of the utility model adopts a form without edge covering, the process is simple, and the manufacturing cost is reduced; the crack covering plate at the door crack is formed by integrally bending the steel plate forming the door leaf, and cannot deform or fall off after long-term use, so that the service life of the fireproof door is prolonged; the steel plate joint on the door leaf is all installed the fire prevention adhesive tape, and the appearance is more pleasing to the eye, has improved fire behavior again.

Description

Non-wrapped steel heat insulation fire door

technical field

The utility model relates to the technical field of buildings, in particular to a non-wrapped steel heat-insulating fire door. the

Background technique

At present, most of the fire-resistant doors on the market use steel plate interlayers for edge-wrapping structure. After filling perlite and other fire-proof and heat-insulating materials between the two steel plates, an additional custom-made steel plate is required for edge-wrapping at the edge of the door leaf. In this way, the door gap can be covered to achieve a better heat insulation and fire prevention effect. Among them, the steel plate used for edge wrapping not only uses more steel, but also must make a special mold for processing. Deformation or falling off will greatly reduce the appearance, fire performance and service life of the fire door. the

Utility model content

The utility model provides a non-wrapping steel heat-insulating fireproof door, the steel plate interlayer of the door leaf is self-contained, the extra wrapping structure on the traditional fireproof door is canceled, the production cost is lower, and it has excellent heat insulation and fireproof performance and Beautiful shape. the

In order to achieve the above object, the utility model adopts the following technical solutions. the

Unwrapped steel heat-insulated fire door, including steel door frame and two-sided door leaf, one side of the door leaf is hinged to both sides of the steel door frame through a fireproof hinge; the door leaf includes two steel plates forming a sandwich, and the interlayer is filled with Expanded perlite, the four edges of the interlayer are provided with sealing steel sheets fixed between the steel plates; the side of the two door leaves that cooperate with each other is equipped with a cover seam plate that is formed by extending and bending the steel plates on each door leaf as a whole. After the two door leaves are closed The front and rear of the door seam are covered by the seam cover board, which will not deform or fall off after long-term use, prolonging the service life of the fire door. the

Wherein, the cover seam plate is provided with an expansion sealing rubber strip on the side matching the door leaf. the

Among them, the two steel plates that make up the door leaf are provided with opposite bending parts on the side hinged with the steel door frame. The sealing steel sheet on this side is fixed on the inner side of the bending part with connecting screws, and the outer side of the bending part is fixed with expansion sealant. Covered with strips, the expansion sealing strip covers the connecting screws, which is both beautiful and fireproof. the

Preferably, a fireproof rubber strip matching the steel door frame is also provided on the sealing steel sheet at the top of the door leaf, and a fireproof rubber strip matching with the top of the door leaf is also provided on the upper edge of the steel door frame. the

Compared with the prior art, the utility model has the following beneficial effects:

(1) The door leaf adopts the form of no wrapping, which improves the production efficiency and reduces the production cost;

(2) The cover seam plate at the door seam is integrally bent from the steel plate constituting the door leaf, which will not deform or fall off after long-term use, prolonging the service life of the fire door;

(3) Fireproof rubber strips are installed at the joints of the steel plates on the door leaf, which makes the appearance more beautiful and improves the fireproof performance. the

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Fig. 2 is a Z-Z sectional view of Fig. 1 . the

Fig. 3 is a Y-Y sectional view of Fig. 1 . the

FIG. 4 is an enlarged view of part A of FIG. 3 . the

FIG. 5 is an enlarged view of part B of FIG. 3 . the

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments of the description. the

As shown in Fig. 1 , the non-encapsulated steel heat-insulating fire door includes a steel door frame 1 and a door leaf 2 that opens on both sides. One side of the door leaf 2 is hinged to both sides of the steel door frame 1 through a fireproof hinge 3 . the

As shown in Figures 2 and 3, the door leaf 2 includes two steel plates 21 forming a sandwich, which is filled with expanded perlite 22, and the four sides of the sandwich are provided with sealing steel sheets 23 fixed between the steel plates. The sealing steel sheet 23 is provided with a fireproof rubber strip 11 that matches the steel door frame 1, and the upper edge of the steel door frame 1 is also provided with a fireproof rubber strip 12 that matches the top of the door leaf 2. the

As shown in Figure 4, the side of the two door leaves 2 that cooperate with each other is equipped with a cover seam plate 24 that is formed by extending and bending the steel plate 21 on each door leaf as a whole, and the cover seam plate 24 is provided with an expansion seal on the side that cooperates with the door leaf 2. Adhesive strip 241, the front and back of the door seam after the two-sided door leaf 2 is closed are all covered by the cover seam plate 24, and long-term use will not be deformed or come off, prolonging the service life of the fire door. the

As shown in Figure 5, the two steel plates 21 that make up the door leaf are provided with an opposite bending part 25 on the side hinged with the steel door frame 1, and the sealing steel sheet 23 on this side is fixed on the inner side of the bending part 25 with connecting screws 26. , the outer side of the bending portion 25 is covered with an expansion sealing strip 27, and the expansion sealing strip 27 covers the connecting screw 26, which is both beautiful and fireproof. the

For those skilled in the art, various other corresponding changes and modifications can be made according to the technical solutions and ideas described above, and all these changes and modifications should fall within the protection scope of the claims of the present utility model. the

Claims (4)

1. do not have bound edge steel heat-insulating fireproof door, it is characterized in that: comprise the door leaf that split on steel doorframe and two sides, a side of door leaf is hinged by the both sides of fire prevention hinge and steel doorframe; Door leaf comprises two block plates of forming interlayer, fills expanded perlite in the interlayer, and four edges of interlayer are provided with the seal steel plate that is fixed between the steel plate; The whole extension of the steel plate bending that the side that the two sides door leaf cooperatively interacts all is provided with on each door leaf of employing forms lid seam plate, all tegmentum seam plate coverings of its front and back of the crack between a door and its frame after the door leaf closure of two sides.

2. no bound edge steel heat-insulating fireproof door according to claim 1 is characterized in that: lid seam plate is provided with the Expansion sealing adhesive tape in a side that cooperates door leaf.

3. no bound edge steel heat-insulating fireproof door according to claim 1, it is characterized in that: two block plates of forming door leaf are being provided with in opposite directions bending part with the hinged side of steel doorframe, the seal steel plate of this side is fixed on the bending part inboard with connecting screw, and the bending part outside then covers with the Expansion sealing adhesive tape.

4. according to claim 1 or 2 or 3 described no bound edge steel heat-insulating fireproof doors, it is characterized in that: on the seal steel plate at door leaf top, be provided with the fireproofing glue strip that cooperates steel doorframe, also be provided with the fireproofing glue strip that cooperates with the door leaf top in the upper edge of steel doorframe.

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