CN105113963B - Door bottom gap sealing device and fire resistant doorsets and take refuge little between in application - Google Patents
Door bottom gap sealing device and fire resistant doorsets and take refuge little between in application Download PDFInfo
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- CN105113963B CN105113963B CN201510582786.7A CN201510582786A CN105113963B CN 105113963 B CN105113963 B CN 105113963B CN 201510582786 A CN201510582786 A CN 201510582786A CN 105113963 B CN105113963 B CN 105113963B
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Abstract
The invention discloses door bottom gap sealing device and fire resistant doorsets and take refuge little between in application, apparatus of the present invention include U-shaped guide pin bushing, foam-glass block, fixture and open and close latch；The U-shaped opening of U-shaped guide pin bushing downwards and is fixed on bottom door body, the both ends of U-shaped guide pin bushing two sides are equipped with strip chute, foam-glass block embeds inside the opening of U-shaped guide pin bushing, and foam-glass block two ends are provided with pin hole, and fixture is positioned at above the strip chute of U-shaped guide pin bushing.Present configuration is simple, applied widely, can take into account the fire prevention of door and ventilative performance requirement, meet residential housing requirement.
Description
Technical field
The present invention relates to architectural design field, a kind of door bottom gap sealing device and fire resistant doorsets and building take refuge little between in application.
Background technology
New edition " Code for fire protection design of buildings " the 5.5.32 article regulation that on May 1st, 2015 implements: " building height residential housing more than 54m, each household should have a room to meet the following requirements:
1, should arrange by outer wall, and should arrange and can open exterior window；
2, the fire endurance of inside and outside body of wall is not lower than 1.00h, and the door in this room preferably uses second class fire resistant doorsets, the fire integrity of exterior window the most preferably less than 1.00h.”
In actual design, the indoor combustible of house is minimum and has water or wet towel the room of Smoke prevention can should be toilet, in view of comfort level used in everyday, meet the safe coefficient requiring room, often consider to be set to meet by the toilet of each household take refuge little of above-mentioned regulation, the door of this toilet is set to second class fire resistant doorsets, to meet this specification provision requirement.
And using bathroom door as fire resistant doorsets time, need again to meet the regulation of " Code for design of dwelling houses " the 5.8.6 article: " door of kitchen and toilet should arrange net sectional area not less than 0.02m in bottom simultaneously2Fixing BAIYE, it is possible to reserve the gap not less than 30mm away from ground ".
Aborning, it is more difficult to realize " arranging net sectional area in bathroom door bottom not less than 0.02m2Fixing BAIYE, and make it have fire protecting performance "；And toilet " reserves the gap not less than 30mm away from ground at the bottom of door " and " fire protection requirement " there is also contradiction: if because reserving 30mm gap at the bottom of bathroom door, during breaking out of fire, flue gas from this entrance room, gap, can make the inefficacy of fire resistant doorsets；If not reserving this gap, toilet at ordinary times cannot ensure again effective air intake aerofluxus when using；Especially in the winter of northern area, exterior window cannot be opened, and it is key element indispensable in every day use that toilet door bottom gap is breathed freely.
Therefore, it is necessary to research and develop a kind of fire resistant doorsets can take into account fire prevention and ventilative performance requirement simultaneously.
Utility model patent (CN 202325149 U) discloses the door of a kind of tight device of band door termination, include door body, door crack closing device, door crack closing device includes manual transmission, baffle plate, its door body bottom offers places catch the cavity adaptive with catch, catch is placed in cavity, drive mechanism includes worm screw, worm gear and turning handle, rotated by turning handle and drive being rotatably assorted between worm gear and worm screw, so that baffle plate moves up and down, this technical scheme baffle plate uses polyalkene foaming plate, plasticity and poor fire, and need do with baffle plate adapt be equipped with special door body, narrow application range, it is not suitable for the toilet fire resistant doorsets problem as required dual-purpose (time at ordinary times with fire) of little of Residential fire, and trouble is installed.
Summary of the invention
Object of the present invention is to provide a kind of door bottom gap sealing device and fire resistant doorsets and building take refuge little between in application, to take into account the fire prevention of door and ventilative performance requirement, meet residential housing requirement.
The invention discloses a kind of door bottom gap sealing device, it is located at bottom door body, including U-shaped guide pin bushing, foam-glass block, fixture and keying latch；Described U-shaped guide pin bushing and the width of foam-glass block are consistent with door body width, the U-shaped opening of described U-shaped guide pin bushing downwards and is fixed on bottom door body, the both ends of described U-shaped guide pin bushing two sides are equipped with strip chute, the height of described foam-glass block is more than door bottom gap height, it embeds inside the opening of U-shaped guide pin bushing, described foam-glass block two ends are provided with pin hole, described fixture is positioned at above the strip chute of U-shaped guide pin bushing, described keying latch moves up and down in strip chute through strip chute and pin hole, it moves to holding time above strip chute in fixture.
Wherein, described fixture is notched elastic circular ring rubber sleeve, it is big that described gap edge extends change from inside to outside, and the arc length of described breach inward flange is placed in elastic circular ring rubber sleeve after entering inward flange by breach outward flange less than the diameter of keying latch, described keying latch.
In another program, described fixture is two arc latch, described arc latch includes arc hammerlock, rotary shaft and magnetically attractive iron plate, described arc hammerlock is fixed on U-shaped guide pin bushing by rotary shaft, described magnetically attractive iron plate is fixed on bottom arc hammerlock and contacts in outer rim, and described arc hammerlock is arranged over press section.
Preferably, described latch outer end is provided with a blossom type mobile division.The setting of mobile division is easy to manually capture latch and is moved up and down.
Preferably, the two sides that described foam-glass block coordinates with U-shaped guide pin bushing are provided with reinforcement block, and described reinforcement block is provided with extrapolation pin-and-hole, and described opens and closes latch coaxially through extrapolation pin-and-hole and the pin hole of foam-glass block of reinforcement block.Reinforcement block is arranged on the two sides of foam glass fit on, can play reinforcement effect, prevent foam-glass block move for a long time stress excessive and wear and tear rupture.Wherein, the diameter of described extrapolation pin-and-hole is less than the diameter of pin hole.This setting can make the power of latch act on reinforcement block, and foam-glass block moves under the drive of reinforcement block, reduces foam-glass block frictional force, extends the service life of foam-glass block.
Wherein, the thickness of described foam-glass block is 50 ~ 60mm.
The invention also discloses a kind of fire resistant doorsets and a kind of house take refuge little between.Fire resistant doorsets include that door body and door bottom gap sealing device described above, described door body difficult combustion heat-barrier material are made, and described door bottom gap sealing device is locked in bottom door body.
House take refuge little for residence toilet, the fire resistant doorsets of toilet are the described above fire resistant doorsets including door bottom gap sealing device, its door bottom gap height >=30mm.
The door bottom gap sealing device of the present invention can individually be produced in batches, sell, it is adaptable to any door body of same specification, and the suitability is wide, easy for installation, uses foam glass as the material of sealing off gap, has the advantages that
(1) fire line is good, foam glass comprcssive strength >=0.7MPa, rupture strength >=0.5Mpa, and its product does not fires, and can meet the fire resistant requirements of 3 hours；
(2) rust-preventing characteristic is good, foam glass is that anticorrosion is nonmetal, have not moisture-inhibiting, do not go mouldy, not by damaged by rats, be resistant to sour corrosion, itself is nontoxic, physical and chemical performance is stable, the feature of dimensionally stable, toilet periphery object can be met and easily become rusty the problem being easily corroded；
(3) plasticity is good, uses foam glass to solve the rough problem of construction, and it has certain plasticity, can meet the problem that toilet door bottom gap cannot determine because of construction error reason size.
The door bottom gap sealing device of the present invention in the fire resistant doorsets, can be taken into account fire prevention and ventilative performance requirement, be used for taking refuge little, and can realize taking refuge toilet as house the specification requirements of little:
(1) if with parlor, dining room for take refuge little time, its combustible is more than toilet, and its external door, window ara are relatively big, if all doors being accomplished, more than 1.00h, it is relatively costly as second class fire resistant doorsets, all French window fire integrities.
(2) if with kitchen, storeroom for take refuge little time, its internal combustible is many, dangerous big, is not suitable as taking refuge little, and storeroom is general without exterior window, it is difficult to meet code requirement.
(3) if using bedroom as take refuge little time, bedroom door should be second class fire resistant doorsets, and it at ordinary times should be normally closed or arrange fire-fighting link door closer, inconvenience in routine use, and normally closed it being unfavorable for separate ventilation in room, linkage door closer needs power consumption, has certain danger close to children's activity region.
(4), using toilet as taking refuge little, door and window is few, and economy is high；Having water or wet towel, safety is high；Can accommodate 5 people according to NFA design specification fire cut every square to calculate, toilet can accommodate indoor all personnel and take refuge, meet requirement in specification；After door bottom gap sealing device of the present invention is set, functionally there is no obstacle using, can meet at ordinary times, use when taking refuge；Therefore, it is design optimal in house using toilet as taking refuge little.
The present invention solves bathroom door cannot take into account ventilative and fireproof contradiction, makes that bathroom door is set to fire resistant doorsets and is possibly realized, so that indoor comparatively safe toilet meets fire safety rules about taking refuge the requirement of little.
Accompanying drawing explanation
Fig. 1 is that embodiment one is breathed freely the structural representation of state.
Fig. 2 is the A direction view partial schematic sectional view of Fig. 1.
Fig. 3 is that embodiment one is prevented fires the structural representation of state.
Fig. 4 is enlarged diagram at the B of Fig. 2.
Fig. 5 is that the right side of Fig. 2 regards schematic diagram.
Fig. 6 is that embodiment two is breathed freely status architecture schematic diagram.
Fig. 7 is that embodiment two is prevented fires the structural representation of state.
Primary clustering symbol description:
1:U type guide pin bushing, 11: strip chute, 2: foam-glass block, 21: pin hole, 3: elastic circular ring rubber sleeve, 4: reinforcement block, 41: extrapolation pin-and-hole, 5: keying latch, 51: mobile division, 6: door body, 7: arc latch, 71: arc hammerlock, 72: rotary shaft, 73: magnetically attractive iron plate, 74: press section.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.
Embodiment
1
As it is shown in figure 1, a kind of door bottom gap sealing device, it is located at bottom door body 6, and including U-shaped guide pin bushing 1, foam-glass block 2, fixture, reinforcement block 4 and keying latch 5, fixture is notched elastic circular ring rubber sleeve 3.
The width of U-shaped guide pin bushing 1 and foam-glass block 2 is consistent with door body 6 width, and the U-shaped opening of U-shaped guide pin bushing 1 downwards and is fixed on bottom door body 6, and the both ends of U-shaped guide pin bushing 1 two sides are equipped with strip chute 11.
As shown in figures 2-3, the height of foam-glass block 2 is more than door bottom gap height, and it embeds inside the opening of U-shaped guide pin bushing 1, and foam-glass block 2 two ends are provided with pin hole 21, elastic circular ring rubber sleeve 3 is positioned at above the strip chute 11 of U-shaped guide pin bushing 1, and the thickness of foam-glass block 2 is 50 ~ 60mm.
Keying latch 5 outer end is provided with a blossom type mobile division 51 and is easy to lifting.
As shown in Figure 4, the two sides that foam-glass block 2 coordinates with U-shaped guide pin bushing 1 are provided with reinforcement block 4, and reinforcement block 4 is provided with extrapolation pin-and-hole 41, a diameter of D1 of extrapolation pin-and-hole 41.A diameter of D2 of pin hole 21.Make D2 > D1.Open and close latch 5 coaxially through extrapolation pin-and-hole 41 and the pin hole 21 of foam-glass block 2 of reinforcement block 4.
As shown in Fig. 5, it is big that elastic circular ring rubber sleeve 3 gap edge extends change from inside to outside, and the arc length of breach inward flange is less than the diameter opening and closing latch 5.
The present embodiment installation process is as follows:
1, being fixed on above foam-glass block 2 by reinforcement block 4, the extrapolation pin-and-hole 41 making reinforcement block 4 is coaxial with the pin hole 21 of foam-glass block 2.
2, by elastic circular ring rubber sleeve 3 screw locking above U-shaped guide pin bushing 1 strip chute 11, the breach direction of elastic circular ring rubber sleeve 3 is consistent with the opening direction of U-shaped guide pin bushing 1.
3, the foam-glass block 2 installing reinforcement block 4 is embedded in U-shaped guide pin bushing 1.
4, open and close latch 5 and initially pass through the strip chute 11 of U-shaped guide pin bushing 1, the most coaxially through extrapolation pin-and-hole 41 and the pin hole 21 of foam-glass block 2 of reinforcement block 4, it is overlapped on the inner side strip chute 11 of U-shaped guide pin bushing 1, moves be placed in opening and closing latch 5 in elastic circular ring rubber sleeve 3 after entering inward flange by the breach outward flange of elastic circular ring rubber sleeve 3 above strip chute 11.
This door bottom gap sealing device is applied on fire resistant doorsets, directly by its screw locking in the door body 6 that fire proofing material is made.This door bottom gap sealing device is applied and is being taken refuge on little, is directly arranged in toilet by these fire resistant doorsets, makes door bottom gap height >=30mm, to meet the requirement of " Code for design of dwelling houses ".
The two states handoff procedure of the fire resistant doorsets of the present embodiment is as follows: be in air ventilation state in usual cases, as Fig. 2 shows, now move blossom type mobile division 51, it is placed in opening and closing after latch 5 enters inward flange by the breach outward flange of elastic circular ring rubber sleeve 3 in elastic circular ring rubber sleeve 3, i.e. Fig. 5 opens and closes latch 5 when b position, hands applies certain upwards lifting power, keying latch 5 is made to enter in inward flange by the breach outward flange of elastic circular ring rubber sleeve 3, i.e. enter c position, now unclamp hands, owing to opening and closing the diameter arc length more than inward flange breach of latch 5, open and close latch 5 and be fixed on c position, now foam-glass block 2 is entirely located at U-shaped guide pin bushing 1 inside, the gap, bottom of fire resistant doorsets is opened, for ventilative state.When a fire; as shown in Figure 3; hands executes a downward thrust in blossom type mobile division 51; the bottom making keying latch 5 drive foam-glass block 2 to move downwardly to foam-glass block 2 contacts with ground; now open and close a position that latch 5 is positioned in Fig. 5, due to plasticity and the noninflammability of foam-glass block 2, therefore good sealing effect; flare and cigarette can be stoped to enter, play flameproof protection effect.
Embodiment
2
The door bottom gap sealing device of the present embodiment, substantially the same manner as Example 1, its distinctive points is that fixture is two arc latch 7.
As shown in Figure 6, arc latch 7 includes arc hammerlock 71, rotary shaft 72 and magnetically attractive iron plate 73, arc hammerlock 71 is fixed on U-shaped guide pin bushing 1 by rotary shaft 72, and magnetically attractive iron plate 73 is fixed on bottom arc hammerlock 71 and contacts in outer rim, and arc hammerlock 71 is arranged over press section 74.
The present embodiment installation process is as follows:
1, being fixed on above foam-glass block 2 by reinforcement block 4, the extrapolation pin-and-hole 41 making reinforcement block 4 is coaxial with the pin hole 21 of foam-glass block 2.
2, being arranged on above the strip chute 11 of U-shaped guide pin bushing 1 by two arc latch 7 by rotary shaft 72, after two arc latch 7 install, two magnetically attractive iron plates 73 attract laminating, and arc hammerlock 71 inner chamber forms one can house the containing cavity opening and closing latch 5.
3, the foam-glass block 2 installing reinforcement block 4 is embedded in U-shaped guide pin bushing 1.
4, open and close latch 5 and initially pass through the strip chute 11 of U-shaped guide pin bushing 1, the most coaxially through extrapolation pin-and-hole 41 and the pin hole 21 of foam-glass block 2 of reinforcement block 4, it is overlapped on the inner side strip chute 11 of U-shaped guide pin bushing 1, keying latch 5 is moved above strip chute 11, press the press section 74 of two arc latch 7, open and close latch 5 to lift to containing cavity, unclamp press section 74, open and close latch 5 and fixed.
This door bottom gap sealing device is applied on fire resistant doorsets, directly by its screw locking in the door body 6 that fire proofing material is made.This door bottom gap sealing device is applied and is being taken refuge on little, is directly arranged in toilet by these fire resistant doorsets, makes door bottom gap height >=30mm, to meet the requirement of " Code for design of dwelling houses ".
The two states handoff procedure of the fire resistant doorsets of the present embodiment is as follows: be in air ventilation state in usual cases, as shown in Figure 6, now press the press section 74 of arc latch 7, two arc hammerlocks 71 open, mobile blossom type mobile division 51, moves keying latch 5 to two arc hammerlock 71 accommodated inside intracavity；Unclamping press section 74, the two magnetically attractive iron plates 73 contacted bottom two arc hammerlocks 71 in outer rim attract laminating, and keying latch 5 is fixed on top, and now foam-glass block 2 is entirely located at U-shaped guide pin bushing 1 inside, and the gap, bottom of fire resistant doorsets is opened, for ventilative state.When a fire; as shown in Figure 7; the press section 74 of pressing arc latch 7; two arc hammerlocks 71 open, and execute a downward thrust in blossom type mobile division 51, and the bottom making keying latch 5 drive foam-glass block 2 to move downwardly to foam-glass block 2 contacts with ground; plasticity and noninflammability due to foam-glass block 2; therefore good sealing effect, can stop flare and cigarette to enter, play flameproof protection effect.
The above, the only present invention preferably detailed description of the invention, any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain within protection scope of the present invention.
Claims (7)
1. door bottom gap sealing device, it is located at bottom door body, it is characterised in that: include U-shaped guide pin bushing, bubble
Foam glass block, fixture and keying latch；
Described U-shaped guide pin bushing and the width of foam-glass block are consistent with door body width, the U of described U-shaped guide pin bushing
Type opening downwards and is fixed on bottom door body, and the both ends of described U-shaped guide pin bushing two sides are equipped with strip
Chute, the height of described foam-glass block is more than door bottom gap height, and it embeds in the opening of U-shaped guide pin bushing
Portion, described foam-glass block two ends are provided with pin hole, and the strip that described fixture is positioned at U-shaped guide pin bushing is sliding
Above groove, described keying latch moves up and down in strip chute through strip chute and pin hole, its
Mobile to holding time above strip chute in fixture；
Described fixture is notched elastic circular ring rubber sleeve, and described gap edge extends change from inside to outside
Greatly, the arc length of described breach inward flange is less than the diameter of keying latch, and described keying latch is by outside breach
Edge is placed in elastic circular ring rubber sleeve after entering inward flange；Or described fixture is two arc latch,
Described arc latch includes that arc hammerlock, rotary shaft and magnetically attractive iron plate, described arc hammerlock pass through rotary shaft
Being fixed on U-shaped guide pin bushing, described magnetically attractive iron plate is fixed on bottom arc hammerlock and contacts in outer rim, described arc
Shape hammerlock is arranged over press section.
2. door bottom gap sealing device as claimed in claim 1, it is characterised in that: described latch outer end
It is provided with a blossom type mobile division.
3. door bottom gap sealing device as claimed in claim 1, it is characterised in that: described foam glass
The two sides that block coordinates with U-shaped guide pin bushing are provided with reinforcement block, and described reinforcement block is provided with extrapolation pin-and-hole, described
Open and close latch coaxially through the extrapolation pin-and-hole of reinforcement block and the pin hole of foam-glass block.
4. door bottom gap sealing device as claimed in claim 3, it is characterised in that: described extrapolation pin-and-hole
Diameter less than the diameter of pin hole.
5. door bottom gap sealing device as claimed in claim 1, it is characterised in that: described foam glass
The thickness of block is 50～60mm.
6. fire resistant doorsets, it is characterised in that: include at the bottom of the door described in door body and any one of Claims 1 to 5
Gap sealing device, described door body difficult combustion heat-barrier material makes, described door bottom gap sealing device locking
Bottom door body.
7. a house takes refuge little, it is characterised in that: for residence toilet, the fire resistant doorsets of toilet are power
Profit requires the fire resistant doorsets including door bottom gap sealing device described in 6, its door bottom gap height >=30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582786.7A CN105113963B (en) | 2015-09-15 | 2015-09-15 | Door bottom gap sealing device and fire resistant doorsets and take refuge little between in application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582786.7A CN105113963B (en) | 2015-09-15 | 2015-09-15 | Door bottom gap sealing device and fire resistant doorsets and take refuge little between in application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105113963A CN105113963A (en) | 2015-12-02 |
| CN105113963B true CN105113963B (en) | 2016-09-14 |
Family
ID=54662050
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510582786.7A Active CN105113963B (en) | 2015-09-15 | 2015-09-15 | Door bottom gap sealing device and fire resistant doorsets and take refuge little between in application |
Country Status (1)
| Country | Link |
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| CN (1) | CN105113963B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550168A (en) * | 2020-06-02 | 2020-08-18 | 重庆玛格家居有限公司 | Adjustable door gap device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306662A (en) * | 1997-05-08 | 1998-11-17 | Osamu Soda | Flat sill hinged door with water stop drain hole |
| JPH11117640A (en) * | 1997-10-17 | 1999-04-27 | Mitsuboshi Belting Ltd | Sealing device of turning door with extension flush bolt |
| DE202004016846U1 (en) * | 2004-11-02 | 2005-01-13 | Planet Gdz Ag | Fixing device for door seal has profiled rail with rigid surface and double-sided adhesive tape covered by self-adhesive non-transparent foil |
| JP2007303109A (en) * | 2006-05-10 | 2007-11-22 | Bs Door Kk | Opening/closing mechanism of suspended sliding door-type door |
| KR200464025Y1 (en) * | 2010-08-23 | 2012-12-06 | 에이스이노텍 주식회사 | a windbreak for a door |
| JP2015001151A (en) * | 2013-06-13 | 2015-01-05 | ケージーパルテック株式会社 | Gap closing device of sliding door |
| CN104879046A (en) * | 2014-03-17 | 2015-09-02 | 阿特玛无限公司 | Seal adapted to bolt and seal assembly related to such seal |
| CN205063753U (en) * | 2015-09-15 | 2016-03-02 | 厦门合立道工程设计集团股份有限公司 | Door end gap sealing device and use preventing fire door and taking refuge booth of its |
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2015
- 2015-09-15 CN CN201510582786.7A patent/CN105113963B/en active Active
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Address after: Two road yasumine Huli District of Xiamen city in Fujian province 361000 52, 309 to 313 units Applicant after: XIAMEN HORDOR ARCHITECTURE & ENGINEERING DESIGN GROUP CO., LTD. Address before: Two road yasumine Huli District of Xiamen city in Fujian province 361000 52, 309 to 313 units Applicant before: Xiamen Hordor Engineering Design Group Co., Ltd. |
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