CN209568931U - A kind of integrated molding hard fireproof strip and the fire resistant doorsets using it - Google Patents
A kind of integrated molding hard fireproof strip and the fire resistant doorsets using it Download PDFInfo
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- CN209568931U CN209568931U CN201821696230.6U CN201821696230U CN209568931U CN 209568931 U CN209568931 U CN 209568931U CN 201821696230 U CN201821696230 U CN 201821696230U CN 209568931 U CN209568931 U CN 209568931U
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- fireproof strip
- expansible graphite
- plastic shell
- inner core
- rigid plastic
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Abstract
The utility model provides a kind of integrated molding hard fireproof strip and the fireproof strip using it, fireproof strip cuboid-type in a strip shape, including expansible graphite inner core and rigid plastic shell, the rigid plastic shell includes front, two sides and the back side, the front, side and the back side are formed by same material, collectively form cuboid-type framework, prolong longitudinal opening in the back side, the expansible graphite inner core is fitted tightly over rigid plastic shell and surrounds in the cuboid-type framework to be formed, and is in naked leakage shape at longitudinal opening overleaf.The material of the rigid plastic shell is basic resin raw material with hard polyvinylchloride resin.The structure of the fireproof strip is improved, it is therefore prevented that expansible graphite inner core is dropped out from shell, it is therefore prevented that expansible graphite inner core leaks, it is therefore prevented that the fracture of expansible graphite inner core.
Description
Technical field
The utility model belongs to door and window and its related accessory field, in particular to a kind of fireproof strip and use for door and window
Its fire resistant doorsets.
Background technique
With the continuous improvement that fire safety is realized in the development and people of doors and windows sealing industry, people are for door and window
The requirement of leakproofness and fire line is also continuously improved.Fireproof strip is used primarily in the door leaf and doorframe, door leaf and door of steel casement door or timber
Between fan, fireproof strip automatic expansion, blocks the gap of crack between a door and its frame when a fire, to obstruct the intensity of a fire or toxic gas from one
Space sprawls are to another space.
Fireproof strip in the prior art, has: the fireproof strip that hydrated sodium silicate is constituted, the fireproof strip is thick and heavy, and brittleness is big, not beautiful
It sees, and there is no dilatancy；Expansible graphite type fireproof strip, the fireproof strip not coated generally cannot individually exposed use, because
Its is easy to damage, and unsightly；Also the fireproof strip for thering is resin matrix nesting expansible graphite item to be formed, the resin bone of this fireproof strip
Rack enclosure can play the role of mechanical protection to expansible graphite item therein is nested in, and the comparison that shape can also be done is beautiful
It sees, still, in preparation process needs that expansible graphite item and resin matrix shell is prepared separately, then by expansible graphite item
The fireproof strip for penetrating into resin matrix shell, complex process, and being formed, wherein expansible graphite item, which is simply fallen out, comes, can
There are gap between expanded graphite item and resin matrix shell, graphite bar is easily broken off wherein, and this gap can also make
Fire protecting performance is affected.A kind of reinforced graphite fireproof strip is also disclosed in CN205243381U comprising fireproof strip ontology
It is coated on the external metal mesh of the fireproof strip sheet with cooperation, and the extexine of the fireproof strip ontology is embedded in the metal mesh
In mesh, which can be improved the integral strength of fireproof strip, and fireproof strip is avoided to be broken, but there are the rigidity of metal mesh
Structure limits the expansion of expansible graphite item under fire condition to a certain extent, leaks out graphite bar unsightly at mesh, metal
The problems such as net sense of touch is bad.
Utility model content
The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, provide a kind of integrated molding hard fire prevention
Item, fireproof strip cuboid-type in a strip shape, including expansible graphite inner core and rigid plastic shell, the rigid plastic shell packet
Front, two sides and the back side are included, the front, side and the back side are formed by same material, collectively form cuboid-type frame
Longitudinal opening is prolonged at body, the back side, the expansible graphite inner core be fitted tightly over rigid plastic shell surround to be formed it is rectangular
It is in naked leakage shape at longitudinal opening in figure framework, and overleaf.The material of the rigid plastic shell is with hard polychlorostyrene second
Olefine resin is basic resin raw material.The structure of the fireproof strip is improved, it is therefore prevented that expansible graphite inner core is dropped out from shell, is prevented
Expansible graphite inner core leaks, it is therefore prevented that the fracture of expansible graphite inner core.
Preferably, the shell has color.
Preferably, double-sided adhesive is posted at the back side of the rigid plastic shell.
Preferably, preparing for the shell contains polyvinyl chloride and hydrogenated styrene-butadiene copolymer in raw material.
Preferably, preparing for the shell contains polyvinyl chloride, hydrogenated styrene-butadiene copolymer, dioxy in raw material
SiClx filler, fire retardant and plasticizer.
The plasticizer is the organo-silicon compound containing silicon and nitrogen, which can play plasticising, fire-retardant and even simultaneously
The effect of connection, such as amido silicon oil.Or the tributyl phosphate of plasticising and fire retardation, tricresyl phosphate (2- ethyl hexyl can be played
Ester), Epoxy oil acid esters, chlorinated paraffin.
Preferably, the raw material for preparing of the shell includes 30-50 parts by weight polyvinyl chloride, the parts by weight of hydrogenated benzene second of 10-30
Alkene-butadiene copolymer, 10-30 parts by weight of silica filler, 2-10 parts by weight of flame retardant and 5-10 parts by weight of plasticizer.
Preferably, the raw material for preparing of the expansible graphite inner core includes flexible resin, expansible graphite, white carbon black, cloud
Female, carbon forming agent.
Preferably, the expansible graphite inner core is prepared by the raw material containing following parts by weight:
The preferably described flexible resin is selected from polyorganosiloxane resin, polyvinyl resin, Corvic；Or preferably
Ground, the carbon forming agent are pentaerythrite, its dimer or tripolymer；Or preferably, the fire retardant is ammonium phosphate, polyphosphoric acid
Ammonium, phosphate or phosphazene compound, more preferable ammonium phosphate or ammonium polyphosphate；Or preferably, the toughener is epoxy resin；
Or the preferably described no fumicants (also known as pin fumicants) is aluminium hydroxide, magnesium hydroxide or calcium carbonate；Or preferably, described solid
Agent is tripolyphosphate silicon.
Preferably, the preparation of fireproof strip described in the utility model includes: extrusion resin shell, and cooling resin enclosure is to can
Keep shape but still can from backside openings distracted temperature, strut the backside openings of resin enclosure, that injects melting can
Expanded graphite inner core fluid, continues to cool down, calendering.It is preferred that double-sided adhesive can be bonded at the entire back side, with convenient to use.It is preferred that
The extrusion processing temperature of rigid plastic shell is 150-180 DEG C, resin enclosure when injection melts expansible graphite inner core fluid
Temperature is 70-100 DEG C, and the temperature of expansible graphite inner core fluid injection is 160-180 DEG C.
The utility model also provides a kind of door, wherein is fixed with aforementioned one in the side edge of door leaf and/or the edge of doorframe
Body shaped rigid fireproof strip.
Detailed description of the invention
Fig. 1 shows the front schematic view of fireproof strip described in the utility model；
Fig. 2 shows the schematic rear views of fireproof strip described in the utility model；
Fig. 3 shows the side schematic view of fireproof strip described in the utility model；
Fig. 4 shows the schematic cross-sectional view of fireproof strip described in the utility model；
Fig. 5 shows a kind of schematic cross-sectional view of fireproof strip of the prior art.
Specific embodiment
The schematic diagram of-Fig. 4 refering to fig. 1, it can be seen that the utility model provides a kind of integrated molding hard fireproof strip,
Fireproof strip cuboid-type in a strip shape, including expansible graphite inner core 2 and rigid plastic shell 1, the rigid plastic shell packet
Front, two sides and the back side are included, the front, side and the back side are formed by same material, collectively form cuboid-type frame
Longitudinal opening is prolonged at body, the back side, and the expansible graphite inner core 2 is fitted tightly over rigid plastic shell 1 and surrounds the length formed
It in cube type framework, and is in naked leakage shape at longitudinal opening overleaf.The rigid plastic shell is with Hard PVC tree
Rouge is basic resin raw material, and good rectangular shape and indeformable is able to maintain in use process, passes through control in forming process
Temperature processed, can guarantee expansible graphite inner sandwich layer fluid perfusion to wherein, and formed it is good mat formation so that final gained is anti-
The shell and inner core of fiery item are in fit closely shape.
In addition, for ease of use, one layer of double-sided adhesive can be bonded in advance at the back side of the fireproof strip, in use, only
The surface layer of double-sided adhesive need to be torn, so that it may fit to the fireproof strip on door leaf or doorframe.Due to the shell of fireproof strip and interior
Layer fits closely, and case surface is smooth, pigmentable, which, which can also be directly attached on doorframe or door leaf, plays decoration
Effect.
It is opposite with fireproof strip described in the utility model, as shown in the schematic view of fig. 5, with the immediate existing skill of the application
Fireproof strip in art, expansible graphite sandwich layer 4 penetrate among shell 3, and there are irregular gaps therebetween, in use, can
Expanded graphite sandwich layer is easy from wherein falling, both unsightly or inconvenient to use.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model
In the case where basic principle, those skilled in the art can be for the various apparent or equivalent modification that above-mentioned details is made
Or replacement, it is all included in the scope of the claims of the utility model.
Claims (3)
1. a kind of integrated molding hard fireproof strip, fireproof strip cuboid-type in a strip shape, including expansible graphite inner core and hard
Matter plastic shell, it is characterised in that: the rigid plastic shell includes front, two sides and the back side, the front, side
It is formed with the back side by same material, collectively forms cuboid-type framework, longitudinal opening is prolonged at the back side, in the expansible graphite
Core is fitted tightly over rigid plastic shell and surrounds in the cuboid-type framework to be formed, and is in naked leakage at longitudinal opening overleaf
Shape.
2. integrated molding hard fireproof strip according to claim 1, it is characterised in that: the back of the rigid plastic shell
Face paste has double-sided adhesive.
3. a kind of fire resistant doorsets, it is characterised in that: be fixed with claim 1-2 in the side edge of door leaf and/or the edge of doorframe and appoint
One integrated molding hard fireproof strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821696230.6U CN209568931U (en) | 2018-10-19 | 2018-10-19 | A kind of integrated molding hard fireproof strip and the fire resistant doorsets using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821696230.6U CN209568931U (en) | 2018-10-19 | 2018-10-19 | A kind of integrated molding hard fireproof strip and the fire resistant doorsets using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209568931U true CN209568931U (en) | 2019-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821696230.6U Active CN209568931U (en) | 2018-10-19 | 2018-10-19 | A kind of integrated molding hard fireproof strip and the fire resistant doorsets using it |
Country Status (1)
| Country | Link |
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| CN (1) | CN209568931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267916A (en) * | 2018-10-19 | 2019-01-25 | 佛山市南海崇泰防火材料有限公司 | A kind of integrated molding hard fireproof strip |
-
2018
- 2018-10-19 CN CN201821696230.6U patent/CN209568931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267916A (en) * | 2018-10-19 | 2019-01-25 | 佛山市南海崇泰防火材料有限公司 | A kind of integrated molding hard fireproof strip |
| CN109267916B (en) * | 2018-10-19 | 2023-10-27 | 佛山市南海崇泰防火材料有限公司 | Integrated hard fireproof strip |
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