CN202039751U

CN202039751U - Fireproof doorframe section bar

Info

Publication number: CN202039751U
Application number: CN2011200751568U
Authority: CN
Inventors: 计小良
Original assignee: HUZHOU XINWUXIN REFRACTORY CO Ltd
Current assignee: HUZHOU XINWUXIN REFRACTORY CO Ltd
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2011-11-16
Anticipated expiration: 2021-03-21

Abstract

The utility model relates to the field of fireproof constructions, specifically to a fireproof doorframe section bar. A technical solution of the fireproof doorframe section bar is characterized in that the fireproof doorframe section bar comprises an L-shaped pillar and a rectangular pillar glued to two right angle surfaces of the L-shaped pillar. The L-shaped pillar comprises a first thermal insulation layer and two first splint layers disposed on two sides of the first thermal insulation layer respectively; the rectangular pillar comprises a wooden core layer and a fireproof board, which are glued with each other; the fireproof board comprises a second thermal insulation layer, and a second splint layer and a veneer layer, which are disposed on two sides of the second thermal insulation layer respectively; and the wooden core layer and the second splint layer are glued together. The fireproof doorframe section bar has the advantages of good fireproof performance and strong crush resistance.

Description

The fireproof door frame section bar

Technical field

The utility model relates to the fire proof construction field, particularly the fireproof door frame section bar.

Background technology

Now the doorframe of dwelling house mostly is aluminium alloys or woodenly combines structure with aluminium alloys; For example the patent No. is 00215291. 6 Chinese patent, a kind of combined door frame is disclosed, it comprises surrounding layer and is positioned at the inner liner of surrounding layer, surrounding layer is made by aluminium alloy extrusions, inner liner is made by timber, artificial high-density plate and chemical packing material, this doorframe is aesthetic in appearance, be difficult for the burn into long service life, but its fireproof performance is not fine, and cost of production is also than higher.

Now the doorframe of many dwelling houses being arranged also is wooden structures, and its skin is surrounded by the framework that fire proofing material is made, and such doorframe manufacture craft is comparatively complicated, and flame retardant effect is not fine, and its cost of production is also than higher; As the patent No. is that 200720062107.4 Chinese patent discloses a kind of fire-proof wooden door frame, comprise door frame and decoration panel, door frame comprises counter-fire front, counter-fire side, carry on the back fiery face, be installed in the installed surface on the body of wall, and the stifled fiery face that cooperates with gate flap and the face of banking up a fire, in door frame counter-fire front, counter-fire side with carry on the back that thickness is arranged between fiery face and the decoration panel is the fire-retardant fireproof plate of 5mm, at the stifled fiery face of door frame with bank up a fire that thickness is arranged between face and the decoration panel is the fire-retardant fireproof plate of 3mm; Though find out this kind doorframe tool flame retardant effect by above-mentioned, its complex structure, same production technology is relative complex also.

The patent No. is that 99250060.5 Chinese patent discloses a kind of door frame, and it is made up of magnesia, cloth, fibre and heat insulating material, and doorframe adopts sandwich construction, the 1st, 3,9,11 layers is magnesia, the 2nd, 5,7,10 layers is cloth, the 4th, 8 layer is fibre, the 6th layer of intermediate layer of being made up of the plurality of small blocks heat insulating material.It does not adopt wooden or metal material, and cost is cheaper, fireproof performance good, but such sash structure complexity, and correspondingly, its production method is more complicated also.

The utility model content

The purpose of this utility model provides a kind of fireproof door frame section bar simple in structure, and it is good that it has fireproof performance, the advantage that anti-pressure ability is strong.

Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: it comprise L shaped post, with the bonding rectangular column of two right angle faces of L shaped post; Described L shaped post comprises heat insulation layer one and is divided into two splinting layers one of heat insulation layer one both sides; Described rectangular column comprises bonding reel layer and PLASTIC LAMINATED; PLASTIC LAMINATED comprises heat insulation layer two, lays respectively at the splinting layer two and wooden cortex of heat insulation layer two both sides; Reel layer and splinting layer two are bonding.

This kind fireproof door frame profile structure is simple, and level respectively.

Described heat insulation layer one all is the expanded pearlite rock stratum with heat insulation layer two; Expanded perlite is inorganic foamed thermal insulation material, has good thermal insulation, sound absorption qualities.

As of the present utility model preferred, described rectangular column is provided with the connection strap that is used to connect door-plate, and forms a groove between the end face of connection strap and L shaped post.

When the utility model was used for making door, connection strap was used to connect hinge, so that hinged door-plate; Described groove is used to inlay the expansion bar, and when the utility model being cooperated with door-plate when making, the sealing between door-plate and the doorframe has been strengthened in the setting of expansion bar, increases the soundproof effect of door, has more improved this fiery ability of anti-string.

As of the present utility model preferred, described reel layer is composite board or directional structure board.

Composite board and directional structure board all have good compressive property, anti-warpage performance.

As of the present utility model preferred, this kind doorframe also comprises the decorative layer that is positioned at L shaped post and rectangular column external surface.

As of the present utility model preferred, described decorative layer is layer of paint or log edge sealing.

As of the present utility model preferred, the thickness of reel layer is 10mm to 50mm.

As of the present utility model preferred, the thickness of heat insulation layer one is 5mm to 50mm.

As of the present utility model preferred, the thickness of heat insulation layer two is 10mm to 50mm.

As of the present utility model preferred, the thickness of described splinting layer one, splinting layer two all is 1mm to 3mm.

In sum, the utlity model has following beneficial effect:

1, the utility model is well arranged, and is simple in structure;

2, the setting of reel layer improves compressive strength of the present utility model and anti-warpage performance greatly;

3, the setting of heat insulation layer one, heat insulation layer two makes to the utlity model has excellent fire-proof heat-insulating performance.

Description of drawings

Fig. 1 is embodiment 1 a cross section structure schematic diagram.

Among the figure, 11, heat insulation layer one, 12, splinting layer one, 211, reel layer, 221, heat insulation layer two, 222, splinting layer two, 223, wooden cortex, 3, connection strap, 31, groove.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

This specific embodiment only is to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this manual, but as long as all are subjected to the protection of Patent Law in claim scope of the present utility model.

Embodiment 1: as shown in Figure 1, the fireproof door frame section bar, comprise L shaped post, with the bonding rectangular column of two right angle faces of L shaped post, be positioned at the decorative layer of L shaped post and rectangular column external surface; Decorative layer is not shown in the drawings; Decorative layer can be layer of paint or log edge sealing.

L shaped post comprises heat insulation layer 1 and is divided into two splinting layers 1 of heat insulation layer one 11 both sides.

Rectangular column comprises bonding reel layer 211 and PLASTIC LAMINATED; PLASTIC LAMINATED comprises heat insulation layer 2 221, lays respectively at the splinting layer 2 222 and wooden cortex 223 of heat insulation layer 2 221 both sides; Reel layer 211 is bonding with splinting layer 2 222.

For improving the physical and mechanical property of present embodiment, reel layer 211 is a directional structure board.

Rectangular column is provided with the connection strap 3 that is used to connect door-plate, and forms a groove 31 that is used to inlay the expansion bar between the end face of connection strap 3 and L shaped post; When present embodiment was used for making door, connection strap 3 was used to connect hinge, so that hinged door-plate; Groove 31 is used to inlay the expansion bar, and when present embodiment being cooperated with door-plate when making, the sealing between door-plate and the doorframe has been strengthened in the setting of expansion bar, increases the soundproof effect of door, has more improved this fiery ability of anti-string.

The thickness of reel layer 211 is 10mm; The thickness of heat insulation layer 1 is 5mm; The thickness of heat insulation layer 2 221 is 10mm; The thickness of splinting layer 1, splinting layer 2 222 all is 1mm.

Embodiment 2: be that with the difference of embodiment 1 reel layer 211 is a composite board, the thickness of reel layer 211 is 50mm; The thickness of heat insulation layer 1 is 50mm; The thickness of heat insulation layer 2 221 is 50mm; The thickness of splinting layer 1, splinting layer 2 222 all is 3mm.

Embodiment 3: be that with the difference of embodiment 1 or 2 thickness of reel layer 211 is 30mm; The thickness of heat insulation layer 1 is 25mm; The thickness of heat insulation layer 2 221 is 22mm; The thickness of splinting layer 1, splinting layer 2 222 all is 2mm.

Claims

1. the fireproof door frame section bar is characterized in that, it comprise L shaped post, with the bonding rectangular column of two right angle faces of L shaped post; Described L shaped post comprises heat insulation layer one (11) and is divided into two splinting layers one (12) of heat insulation layer one (11) both sides; Described rectangular column comprises bonding reel layer (211) and PLASTIC LAMINATED; PLASTIC LAMINATED comprises heat insulation layer two (221), lays respectively at the splinting layer two (222) and wooden cortex (223) of heat insulation layer two (221) both sides; Reel layer (211) is bonding with splinting layer two (222).

2. fireproof door frame section bar according to claim 1 is characterized in that, described rectangular column is provided with the connection strap (3) that is used to connect door-plate, and forms a groove (31) between the end face of connection strap (3) and L shaped post.

3. fireproof door frame section bar according to claim 1 is characterized in that, described reel layer (211) is composite board or directional structure board.

4. fireproof door frame section bar according to claim 1 is characterized in that, this kind doorframe also comprises the decorative layer that is positioned at L shaped post and rectangular column external surface.

5. fireproof door frame section bar according to claim 4 is characterized in that, described decorative layer is layer of paint or log edge sealing.

6. fireproof door frame section bar according to claim 1 is characterized in that, the thickness of reel layer (211) is 10mm to 50mm.

7. fireproof door frame section bar according to claim 1 is characterized in that, the thickness of heat insulation layer one (11) is 5mm to 50mm.

8. fireproof door frame section bar according to claim 1 is characterized in that, the thickness of heat insulation layer two (221) is 10mm to 50mm.

9. fireproof door frame section bar according to claim 1 is characterized in that, the thickness of described splinting layer one (12), splinting layer two (222) all is 1mm to 3mm.