CN206279965U - A kind of second class fire resistance steel door - Google Patents
A kind of second class fire resistance steel door Download PDFInfo
- Publication number
- CN206279965U CN206279965U CN201621395317.0U CN201621395317U CN206279965U CN 206279965 U CN206279965 U CN 206279965U CN 201621395317 U CN201621395317 U CN 201621395317U CN 206279965 U CN206279965 U CN 206279965U
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- door
- fire resistance
- door leaf
- class fire
- resistance steel
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Abstract
The utility model discloses a kind of second class fire resistance steel door.Including door leaf and doorframe, the door leaf includes frame and two door-plates being arranged between frame, fireproof core board is filled between the door-plate, the fireproof core board both sides are provided with door-plate, by thickness for the zinc-plated cold-rolled steel sheet bending of 1.2mm is rectangular, and inside bending forms seam to wherein described doorframe again in one of corner；The edge of the fireproof core board is formed with multiple cavitys, and extinguishing chemical is filled with the cavity, and through hole is provided between the cavity and the side towards the fire of fire resistant doorsets, and meltable closure is provided with the through hole.Second class fire resistance steel door of the present utility model, from the steel plate manufacture of reasonably thick, can also meet intensity requirement and processing characteristics requirement while cost is saved as far as possible, and integrated bending bulk strength is high, and good appearance, machining accuracy is high；Designed using embedded groove, good appearance and structural strength is high.Fire resistant doorsets of the present utility model can reach the performance requirement of second class fire resistant doorsets.
Description
Technical field
The utility model is related to a kind of fire resistant doorsets, is a kind of second class fire resistance steel door specifically.
Background technology
Fire prevention is a very important job in architectural engineering, and fire resistant doorsets are the important portions in Building Fire Protection facility
Point.Existing fire resistant doorsets are usually by frame, the fire prevention core being arranged in frame and are arranged on the door of fire prevention core both sides
Plate is constituted, although its structure is simple, structural strength is low, and fire protecting performance is poor.Can also be influenceed for fire protecting performance sometimes
To the attractive in appearance of door.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structural strength is high, fire protecting performance is good and appearance looks elegant
Second class fire resistance steel door.
In order to solve the above-mentioned technical problem, the utility model provides a kind of second class fire resistance steel door, including door leaf and door
Frame, the door leaf includes frame and two door-plates being arranged between frame, and fireproof core board is filled between the door-plate, wherein
By thickness for the zinc-plated cold-rolled steel sheet bending of 1.2mm is rectangular, and inside bending is formed and stopped the doorframe again in one of corner
Mouthful；The edge of the fireproof core board is formed with multiple cavitys, and extinguishing chemical, the cavity and fire resistant doorsets are filled with the cavity
Side towards the fire between be provided with through hole, meltable closure is provided with the through hole.
Further, the door-plate is made up of zinc-plated cold-rolled steel sheet the thick zinc-plated cold-rolled steel sheets of 0.8mm, the frame by
0.8mm thick zinc-plated cold-rolled steel sheet integration bending is formed.
Further, the door leaf is provided with seal with the contact position of doorframe.
Further, a face of the seam is provided with groove, and sealing strip is provided with the groove.
Further, the door leaf side is additionally provided with door leaf seam, and the door leaf seam stretches out from the side of door leaf.
Further, the fireproof core board by unit weight by the magnesium oxide material of 365kg ± 36kg/m3 is made.
Further, the thickness of the door leaf is 45mm.
Second class fire resistance steel door of the present utility model, from the steel plate manufacture of reasonably thick, while cost is saved as far as possible
Intensity requirement and processing characteristics requirement can also be met, and integrated bending bulk strength is high, good appearance, machining accuracy
It is high；Designed using embedded groove, good appearance and structural strength is high.Fire resistant doorsets of the present utility model can reach second class fire prevention
The performance requirement of door.
Brief description of the drawings
Fig. 1 is the side view cutaway drawing of second class fire resistance steel door of the present utility model.
Fig. 2 is the vertical view cutaway drawing of second class fire resistance steel door of the present utility model.
Fig. 3 is the structural representation of doorframe in the utility model.
Fig. 4 is the structural representation of door leaf in the utility model.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As depicted in figs. 1 and 2, including door leaf and doorframe, the door leaf includes frame and two be arranged between frame
Door-plate 1, is filled with fireproof core board 2 between the door-plate 1.The door leaf is provided with seal 5 with the contact position of doorframe 4.
As shown in figure 3, the doorframe 3 is rectangular for the zinc-plated cold-rolled steel sheet of 1.2mm bends by thickness, and one of angle
Inside bending forms seam 7 again in portion, and the edge of the fireproof core board is formed with multiple cavitys, filled with fire extinguishing in the cavity
Agent.One face of the seam 7 is provided with groove 8, and sealing strip 9 is provided with the groove 8.The edge shape of the fireproof core board
Into there are multiple cavitys, extinguishing chemical is filled with the cavity, through hole is provided between the cavity and the side towards the fire of fire resistant doorsets, it is described
Meltable closure is provided with through hole.Wherein, the extinguishing chemical for being used can be common powder extinguishing agent, fire foam etc.；Envelope
It is stifled that fusing point can be used relative mutually low（Typically at 200-500 degrees Celsius）Material be made.When a fire, the temperature of flame will
Closure fusing, makes the extinguishing chemical in cavity be disengaged by through hole, so as to realize auxiliary fire extinguishing.
The zinc-plated cold-rolled steel sheets of doorframe material selection 1.2mm of the present utility model simultaneously use integrated bending molding process, full
Sufficient intensity requirement and processing characteristics requirement, integrated bending bulk strength is high, good appearance, machining accuracy are high.Embedded groove
Design outline is attractive in appearance, torque is reasonable, structural strength is high.
As shown in figure 4, the door-plate 1 constitutes zinc-plated cold-rolled steel sheet, the frame 3 by the thick zinc-plated cold-rolled steel sheets of 0.8mm
U-shaped is bent into by the thick zinc-plated cold-rolled steel sheet integrations of 0.8mm to form.The door leaf side is additionally provided with door leaf seam 6, the door
Fan seam 6 stretches out from the side of door leaf.The fireproof core board 2 is 365kg ± 36kg/m by unit weight3Magnesium oxide material system
Into.The thickness of the door leaf is 45mm.
In the utility model, the steel plate materialses thickness of door leaf is selected and meets intensity requirement and processing characteristics requirement, from oxygen
It is packing material to change magnesium door panel, meets fire resistance and environmental-protecting performance requirement, and structural strength is high, lightweight, technological operation
Property is strong.Integrated molding processing technology structural strength is high, and good appearance, efficiency high, machining accuracy is high.Four sides are selected in door leaf inside
U-shaped overall frame is strengthened, and meeting fire integrity can require with refractory heat-insulating performance, while door body bulk strength is greatly reinforced,
Increase the service life.Door leaf thickness is reasonable in design, meets the handware fit dimension requirement of matching.
The utility model is designed by door leaf and the seam of the lap-joint of doorframe and sealing strip bonding position is designed, and meets
Fire prevention, Smoke prevention requirement of the door body under a situation arises in the condition of a fire.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (7)
1. a kind of second class fire resistance steel door, it is characterised in that including door leaf and doorframe, the door leaf includes frame and is arranged on side
Two door-plates between frame, are filled with fireproof core board between the door-plate, the fireproof core board both sides are provided with door-plate, wherein described
By thickness for the zinc-plated cold-rolled steel sheet bending of 1.2mm is rectangular, and inside bending forms seam to doorframe again in one of corner；Institute
The edge for stating fireproof core board is formed with multiple cavitys, is filled with extinguishing chemical in the cavity, the cavity and fire resistant doorsets to
Through hole is provided between fiery face, meltable closure is provided with the through hole.
2. second class fire resistance steel door as claimed in claim 1, it is characterised in that the door-plate is by thick zinc-plated cold rolling of 0.8mm
Steel plate constitutes zinc-plated cold-rolled steel sheet, and the frame is formed by the thick zinc-plated cold-rolled steel sheet integration bendings of 0.8mm.
3. second class fire resistance steel door as claimed in claim 1, it is characterised in that the door leaf is provided with close with the contact position of doorframe
Sealing.
4. second class fire resistance steel door as claimed in claim 1 a, it is characterised in that face of the seam is provided with groove,
Sealing strip is provided with the groove.
5. second class fire resistance steel door as claimed in claim 1, it is characterised in that the door leaf side is additionally provided with door leaf seam,
The door leaf seam stretches out from the side of door leaf.
6. second class fire resistance steel door as claimed in claim 1, it is characterised in that the fireproof core board by unit weight be 365kg ±
36kg/m3Magnesium oxide material be made.
7. second class fire resistance steel door as claimed in claim 1, it is characterised in that the thickness of the door leaf is 45mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395317.0U CN206279965U (en) | 2016-12-19 | 2016-12-19 | A kind of second class fire resistance steel door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395317.0U CN206279965U (en) | 2016-12-19 | 2016-12-19 | A kind of second class fire resistance steel door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206279965U true CN206279965U (en) | 2017-06-27 |
Family
ID=59072765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395317.0U Active CN206279965U (en) | 2016-12-19 | 2016-12-19 | A kind of second class fire resistance steel door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206279965U (en) |
-
2016
- 2016-12-19 CN CN201621395317.0U patent/CN206279965U/en active Active
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