CN103452453A - Fireproof door capable of blocking off crack after meeting heat - Google Patents
Fireproof door capable of blocking off crack after meeting heat Download PDFInfo
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- CN103452453A CN103452453A CN2013103676488A CN201310367648A CN103452453A CN 103452453 A CN103452453 A CN 103452453A CN 2013103676488 A CN2013103676488 A CN 2013103676488A CN 201310367648 A CN201310367648 A CN 201310367648A CN 103452453 A CN103452453 A CN 103452453A
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- steel tank
- dovetail groove
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Abstract
The invention discloses a fireproof door capable of blocking off a crack after meeting heat. The sealing device for blocking off the crack can resist fire for more than three hours and can be matched with the fire-resistant time of a fireproof steel frame; the edge of the door leaf or the door frame of the fireproof door is provided with a dovetail groove; a U-shaped sealing steel tank is arranged in the dovetail groove; the notch of the sealing steel tank faces to the bottom of the dovetail groove; a thermal expansion device is arranged in the inner cavity of the sealing steel tank; the edge of the door leaf or the door frame opposite to the orientation of the notch of the dovetail groove is provided with an elastomer collection tank; an elastic sealing adhesive tape is arranged in the elastomer collection tank; the middle of the outer side of the sealing steel tank is connected with an outward-bending elastic member; the elastic member is clamped on the inner side of the notch of the dovetail groove; in the normal use process, the elastic member is tightly embedded to seal the steel tank; the notch of the sealing steel tank is provided with an outward-bending bending part; when the sealing steel tank is outwards popped up, the bending part is clamped on the inner side of the notch of the dovetail groove.
Description
Technical field
The present invention relates to can seal the labeled door of the heat shutoff crack between a door and its frame in gap between doorframe and door leaf, door leaf and door leaf under fire attacks.
Background technology
Transitable door, in order to facilitate opening and closing, generally leaves gap between doorframe and door leaf, door leaf and door leaf, under fire condition, and in order to stop fire spread, must the shutoff crack between a door and its frame.
CN2529991U discloses a kind of antitheft, fire prevention, Smoke prevention safety door, the edge of door leaf is the U-lag structure, the notch of U-lag is towards doorframe, lay the high resiliency sealing joint strip in U-lag, also be embedded with the magnetic fireproofing glue strip in adhesive tape with in the hole of doorframe contact surface, magnetic fireproofing glue strip foaming and intumescing when running into flame, the circulation of isolating chamber inner air and outer air, play the effect of Smoke proofing and fire proofing fully.
The labeled door of the disclosed embedding fire proof sealing strip of CN2911148U is equipped with Fire-proof lock on door leaf, be filled with fire-proof packing in door leaf, have a groove in the door leaf at two end points places of faying surface of doorframe and door leaf, at this groove, be embedded in fire-proof expansion seal strip.
The disclosed fire proof sealing device with double fire proof doors of CN201297107U is to be fixed with the steel middle fire-proof sealing device at door leaf centre joint place, left and right, and the expansion bar is embedded in the steel sealing device of left and right door leaf.
Disclosed kind of heat-insulating fireproof door of CN201902141U is provided with a groove at door leaf or doorframe, laminating one fireproof expansion seal part in groove, and fireproof expansion seal part inside also is coated with a fire prevention expander.
CN202882701U discloses a kind of doorframe, by with the door contact edge on be provided with the horizontal fire prevention groove of opening direction and gap opened opposite direction, laterally in the fire prevention groove, fill the fire proofing wood material strip at this, when breaking out of fire, laterally horizontal expansion after the fire proofing wood material strip heat expansion of fire prevention groove, the gap between shutoff door leaf and doorframe.
The fire proofing wood material strip of using heat to expand at high temperature easily ablated, burn, therefore, above-mentioned these labeled door fire resistance periods are still shorter, can not meet high level fire-resistant requirement more than 3 hours.
Summary of the invention
The object of the present invention is to provide a kind of labeled door of heat shutoff crack between a door and its frame, the locking device fire resistance period of its shutoff crack between a door and its frame reached more than 3 hours, can be complementary with the fire resistance period of fireproof steel framework.
There is dovetail groove at the door leaf of the labeled door of heat shutoff crack between a door and its frame of the present invention or the edge of doorframe, the sealing steel tank that U-shaped is arranged in dovetail groove, the notch of sealing steel tank is towards the bottom land of dovetail groove, in the inner chamber of sealing steel tank, the heat expansion gear is arranged, with the dovetail groove notch towards the flexible body accommodating groove of relative door leaf or doorframe edge, flexible sealing joint strip in this elastic body accommodating groove.
In the present invention, the outer middle side part of sealing steel tank is connected with bandy elastic component, and this elastic component is stuck in the notch inboard of dovetail groove, during normal use the tight salable steel tank of embedding.
There is bandy bend at the notch place of sealing steel tank, and when the sealing steel tank outwards ejects, this bend is stuck in the notch inboard of dovetail groove.
The heat expansion gear can be the expander that the heat expanding material in being filled in the sealing steel tank forms, and in the heat situation, expanding material expands and will seal steel tank ejection shutoff crack between a door and its frame.
Preferably, the heat expansion gear is some telescopic expanders, and this telescopic expander comprises inner sleeve and the outer sleeve of mutual fit, and an end of inner sleeve and outer sleeve is blind end, and openend is socketed mutually, is filled with the heat expander in inner sleeve.
The heat expander of filling in inner sleeve can be the heat expanding material be filled in inner sleeve.More preferably: the heat expander is a container, and anti-flammability Compressed Gas or anti-flammability liquefied gas are arranged in container, and vessel port is by piston closes, and there is the heat self-desttruction equipment of the solid piston in top the piston top.
Anti-flammability Compressed Gas or anti-flammability liquefied gas can be carbon dioxide, nitrogen or freon, preferably freon.The heat self-desttruction equipment is the fusible alloy piece or is filled with the glass tube that coefficient of thermal expansion is greater than the liquid of glass.
The present invention adopts gap between sealing steel tank shutoff door leaf and doorframe, between door leaf, fire resistance period can be over 3 hours, meet the fire protection requirement of advanced firewall, when meeting fire, adopt telescopic expander to there is enough dynamics and promote the sealing steel tank, improve the success rate in gap between shutoff door leaf and doorframe, after the sealing steel tank ejects, its elastic component is stuck in the outside of dovetail groove notch, bend is stuck in the notch inboard of dovetail groove, prevent from sealing the steel tank retraction and crack between a door and its frame occurs once again, except stoping fire spread, can also block distributing of smog and poison gas.
The accompanying drawing explanation
Fig. 1 is sectional view under one embodiment of the present invention nature.
Fig. 2 is that Fig. 1 meets sectional view under fiery state.
Fig. 3 is heat expander schematic diagram.
The specific embodiment
There is respectively dovetail groove 3,4 at its door leaf 1 of labeled door of heat shutoff crack between a door and its frame shown in Fig. 1, Fig. 2 and the edge of doorframe 2, in the situation that close door leaf, the notch of dovetail groove 3 and dovetail groove 4 is towards relative.
The sealing steel tank 5 of U-shaped is arranged in the dovetail groove 4 of doorframe 2, and the notch of sealing steel tank 5 is towards the bottom land of dovetail groove 4.Be connected with bandy elastic component 6 in the middle of the outside of sealing steel tank 5, this elastic component 6 is stuck in the notch inboard of dovetail groove 4, making to seal steel tank 5 is fixed in dovetail groove 4, prevent from sealing steel tank 5 and outwards come off, and time sealing steel tank 5 impact noise occurs with dovetail groove 4 to avoid daily opening and closing door leaf.There is bandy bend 7 at the notch place of sealing steel tank 5, when sealing steel tank 5 heats outwards eject, this bend 7 is stuck in the inboard of the notch of dovetail groove 4, elastic component 6 is stuck in the outside of the notch of dovetail groove 4 simultaneously, avoids sealing steel tank 5 and excessively ejects and gap occurs between sealing steel tank 5 and dovetail groove 4.
In the dovetail groove 3 of door leaf 1, elastic packing adhesive tape 8 is housed, when sealing steel tank 5 heats eject, elastic packing adhesive tape 8 forms tight fit with the front end of sealing steel tank 5.Elastic packing adhesive tape 8 is preferably used the stronger fire proof seal elastic body of refractory ability, and suitable expansion can be arranged when heat.
In the inner chamber of sealing steel tank 5, some telescopic expanders 10 are arranged, this telescopic expander 10 comprises inner sleeve 11 and the outer sleeve 12 of mutual fit, one end of inner sleeve 11 is blind end, the other end is openend, the same end of outer sleeve 12 is blind end, and the other end is openend, the mutual fit of openend of inner sleeve 11 and outer sleeve 12, the blind end of inner sleeve 11 is fixed on the bottom land of dovetail groove 4, is filled with heat expander 13 in inner sleeve 11.
Heat expander 13 can be the heat expanding material, but the thrust that the heat expanding material produces owing to expanding is lower, the thrust of each telescopic expander 10 is also less, needs the quantity that increases telescopic expander 10 to improve total thrust body, could be by the complete release of sealing steel tank 5.
Fig. 3 illustrates the optimal way of heat expander 13, this heat expander 13 comprises a container 21, the anti-flammability liquefied gas is arranged as freon in container 21, vessel port is by taper or spherical piston 22 sealings, there is the heat self-desttruction equipment 23 of the solid piston 22 in top the top of piston 22, and the other end of heat self-desttruction equipment 23 is fixed in support 25 by spring 24.
Heat self-desttruction equipment 23 is fusible alloy piece or the glass tube that is filled with liquid.In the 50-70 ℃ of situation of for example being heated, because the melting breaking-up of fusible alloy piece or glass tube break, piston 22 gets loose automatically, and the freon gasification in container 21 raises telescopic expander 10 air pressure, and the expansion thrust of generation makes outer sleeve 12 outwards go out and promote to seal steel tank 5 shutoff crack between a door and its frames.The fusible alloy piece is the clava consisted of fusible alloy, can be chosen in the alloy of 50-70 ℃ of melting.The coefficient of thermal expansion of the liquid of filling in glass tube be greater than glass, can select ethanol, acetic acid, bromine, normal octane, trichloro-ethylene, methyl alcohol, carbon disulfide, carbon tetrachloride, normal heptane, benzene, chloroform, ethyl acetate, acetone, ether or mixture that wherein two or more allotments form, preferably the fire-retardant and low compound of corrosivity obtains as adopted ethanol, carbon tetrachloride and chloroform to allocate, and this mixture can make the glass tube explosion because of thermal expansion at 50-70 ℃.
Claims (9)
1. the labeled door of a heat shutoff crack between a door and its frame, it is characterized in that, there is dovetail groove at the edge of its door leaf or doorframe, the sealing steel tank that U-shaped is arranged in dovetail groove, the notch of sealing steel tank is towards the bottom land of dovetail groove, the sealing steel tank inner chamber in the heat expansion gear is arranged, with the dovetail groove notch towards the flexible body accommodating groove of relative door leaf or doorframe edge, flexible sealing joint strip in this elastic body accommodating groove.
2. labeled door according to claim 1, is characterized in that, the outer middle side part of described sealing steel tank is connected with bandy elastic component, and this elastic component is stuck in the notch inboard of dovetail groove.
3. according to the described labeled door of claim 1 or 2, it is characterized in that, there is bandy bend at the notch place of described sealing steel tank, and when the sealing steel tank outwards ejects, this bend is stuck in the notch inboard of dovetail groove.
4. according to the described arbitrary labeled door of claim 1-3, it is characterized in that, described heat expansion gear is the expander that the heat expanding material in being filled in the sealing steel tank forms.
5. according to the described arbitrary labeled door of claim 1-3, it is characterized in that, described heat expansion gear is some telescopic expanders, this telescopic expander comprises inner sleeve and the outer sleeve of mutual fit, one end of inner sleeve and outer sleeve is blind end, openend is socketed mutually, is filled with the heat expander in inner sleeve.
6. labeled door according to claim 5, is characterized in that, described heat expander is the heat expanding material be filled in inner sleeve.
7. labeled door according to claim 5, is characterized in that, described heat expander is a container, and anti-flammability Compressed Gas or anti-flammability liquefied gas are arranged in container, and vessel port is by piston closes, and there is the heat self-desttruction equipment of the solid piston in top the piston top.
8. labeled door according to claim 7, is characterized in that, described anti-flammability liquefied gas is freon.
9. labeled door according to claim 7, is characterized in that, described heat self-desttruction equipment is the fusible alloy piece or is filled with the glass tube that coefficient of thermal expansion is greater than the liquid of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103676488A CN103452453A (en) | 2013-08-22 | 2013-08-22 | Fireproof door capable of blocking off crack after meeting heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103676488A CN103452453A (en) | 2013-08-22 | 2013-08-22 | Fireproof door capable of blocking off crack after meeting heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103452453A true CN103452453A (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103676488A Pending CN103452453A (en) | 2013-08-22 | 2013-08-22 | Fireproof door capable of blocking off crack after meeting heat |
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| CN (1) | CN103452453A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879047A (en) * | 2014-05-13 | 2015-09-02 | 阿特玛无限公司 | Door seal apparatus |
| CN106593267A (en) * | 2016-11-30 | 2017-04-26 | 重庆金华兴门业有限公司 | Multifunctional door structure capable of saving space |
| CN111535720A (en) * | 2020-05-21 | 2020-08-14 | 黄长柱 | Fire-proof mute door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19614321A1 (en) * | 1996-04-11 | 1997-10-16 | Magna Zippex Autotechnik Gmbh | Edge gap sealing profile for vehicle sunroof |
| CN201902141U (en) * | 2010-10-25 | 2011-07-20 | 深圳市龙电科技实业有限公司 | Door capable of insulating heat and preventing fire |
| CN201915784U (en) * | 2010-09-27 | 2011-08-03 | 本溪康顿(集团)有限公司 | Non-welding double layer seal type fireproof antitheft door with double grooves and four ditches |
| CN202181821U (en) * | 2011-07-04 | 2012-04-04 | 余永翀 | Reinforced fireproof sash |
| CN103437461A (en) * | 2013-08-16 | 2013-12-11 | 吴江金刚防火钢型材有限公司 | Transparent type firewall system |
-
2013
- 2013-08-22 CN CN2013103676488A patent/CN103452453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19614321A1 (en) * | 1996-04-11 | 1997-10-16 | Magna Zippex Autotechnik Gmbh | Edge gap sealing profile for vehicle sunroof |
| CN201915784U (en) * | 2010-09-27 | 2011-08-03 | 本溪康顿(集团)有限公司 | Non-welding double layer seal type fireproof antitheft door with double grooves and four ditches |
| CN201902141U (en) * | 2010-10-25 | 2011-07-20 | 深圳市龙电科技实业有限公司 | Door capable of insulating heat and preventing fire |
| CN202181821U (en) * | 2011-07-04 | 2012-04-04 | 余永翀 | Reinforced fireproof sash |
| CN103437461A (en) * | 2013-08-16 | 2013-12-11 | 吴江金刚防火钢型材有限公司 | Transparent type firewall system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879047A (en) * | 2014-05-13 | 2015-09-02 | 阿特玛无限公司 | Door seal apparatus |
| CN106593267A (en) * | 2016-11-30 | 2017-04-26 | 重庆金华兴门业有限公司 | Multifunctional door structure capable of saving space |
| CN111535720A (en) * | 2020-05-21 | 2020-08-14 | 黄长柱 | Fire-proof mute door |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |