CN101775955B - Stuff-free hollow fireproof door - Google Patents

Abstract

The invention relates to a stuff-free hollow fireproof door, belonging to the technical field of construction member. The stuff-free hollow fireproof door comprises a door frame and a door leaf; wherein the door leaf comprises a first fire-proof plate, a second fire-proof plate and an intermediate fire-proof plate, the first fire-proof plate is fixed with one side of the door frame, the second fire-proof plate is fixed with the other side of the door frame, the intermediate fire-proof plate is arranged between the first fire-proof plate and the second fire-proof plate and is embedded and matched with the door frame; wherein the first fire-proof plate, the second fire-proof plate and the intermediate fire-proof plate are parallel to one another, and first space is reserved between the inner side of the first fire-proof plate and one side of the intermediate fire-proof plate and second space is reserved between the inner side of the second fire-proof plate and the other side of the intermediate fire-proof plate. The stuff-free hollow fireproof door has the advantages of demonstrating ideal heat insulation and fire prevention function, saving materials and energy, improving the environment of the production site, benefiting health of workers and enjoying good heat insulation and inflaming retarding effect.

Description

The stuff-free hollow fireproof door

Technical field

The invention belongs to the building member technical field, be specifically related to a kind of stuff-free hollow fireproof door, be applicable to fire escape, emergency exit and the passway for escaping etc. of building.

Background technology

Building, floor building and the building of for example hotel, wineshop, movie theatre, singing-hall, commercial building, office premises, school and the machine-operated office space etc. of service is provided for the public particularly, in order to prevent trouble before it happens, usually design has safe escape passage, passway for escaping and emergency exit etc., and is equipped with labeled door at these positions.Labeled door both can be escape and had facilitated, and can play the effect that prevents fire spreading again.

In disclosed Chinese patent literature, is no lack of the technical scheme that is seen in labeled door, application for a patent for invention publication number CN1944935A discloses a kind of labeled door, by constituting with body of wall door pocket of fixing and the door leaf (i.e. door body) that is hinged on the door pocket, the keel that door leaf is wrapped up by the front and back PLASTIC LAMINATED prop up and are configured to, interstitital texture is cellular metal charge in the cavity between front and back PLASTIC LAMINATED and keel support, and the edge in the front and back PLASTIC LAMINATED is protected with fire prevention capping envelope, makes the door leaf inner chamber form confined space.This patent application scheme has firm and strong point environmental protection, but the effect that intercepts the heat transmission is unsatisfactory, because when breaking out of fire, a side of door leaf is burned soon because of the high temperature that is subjected to flame heat is passed to the opposite side of door leaf by metal charge, causes the burning that connects trivial reaction.In addition, the shortcoming that is similar to the labeled door of this patent application scheme is also mentioned by the background technology hurdle of CN101377113A.

Invention patent mandate notification number CN1312375C has recommended a kind of labeled door and preparation method thereof, the structure of labeled door is made up of door frame, inorganic clad plate and aluminium silicate wool core, the aluminium silicate wool core is filled between framework and the inorganic clad plate, this solid labeled door objectively has good anti-corrosive properties, water proofing property and anti-flammability, but there are following 3 shortcoming: the one, consumption of materials is big, because the structure of door leaf is solid; The 2nd, because power consumption big (belonging to the highly energy-consuming product) in the process of making the aluminium silicate wool core is incompatible with the energy-saving and economy type spirit that the present whole society advocates; The 3rd, make trouble and to make the environment in place poor, because in the process of the aluminium silicate wool core being clogged between framework and inorganic clad plate, to make on-the-spot fine bits and fly upward, environment is abominable, and unfavorable to workers ' health.

The application for a patent for invention publication number CN101377113A provide a kind of fire metal door and manufacture method thereof, with regard to the structure of this labeled door, by the bridge cut-off doorframe, bridge cut-off steel skeleton, door leaf, door skin and filler are formed, the difference of this patent application scheme and aforesaid CN1944935A is the filler of fire-proof and thermal-insulation (the 4th page of the 11st row of manual) is substituted cellular metal charge, although the concrete material of the undeclared fire-proof and thermal-insulation filler of this scheme, but can be understood as the material of nonmetallic filler such as aluminium silicate wool core and so on, so there is the shortcoming of CN1312375C equally in this patent application scheme.

Application for a patent for invention publication number CN101210427A has disclosed a kind of labeled door, comprise doorframe and door leaf, door leaf comprises door leaf surrounding layer, door leaf inner sandwich layer and door leaf skeleton, the door leaf inner sandwich layer is filled in the door leaf surrounding layer, material is rock wool, expanded perlite or magnesia expanding material (Instructions Page 3 the 9th row), this labeled door is similarly solid construction, and has 3 shortcoming of aforesaid CN1312375C equally.

Say in a sense, there is structural logical fraud by the disclosed labeled door of above-mentioned patent documentation, promptly be the solid construction that filler is filled, thereby except 3 shortcomings that the applicant has concluded in the above, the anxiety that also has secondary harm, because filler at high temperature easily produces poison gas, because of causing, the people that chokes suffocates when serious.The applicant thinks, why the Fireproof door structure in the prior art shows as solid construction almost stereotypedly, is because people are deep to heavily by being bound to of traditional design thought, thus restriction even the motivation of having strangled people's innovation to surmount.In addition and since the door leaf of the labeled door in the prior art promptly a door body be the entire body sealing, therefore be unfavorable for that personnel watch an interior situation outdoors, be unfavorable for that equally also an interior personnel observes situation outdoors, escape effect and fire-fighting are sued and laboured to exert an influence in pairs.

Shortcoming in view of the Fireproof door structure in the prior art, the applicant thinks and is necessary to be improved, the applicant has done a large amount of explorations and has repaid examination for this reason, has found the way of eliminating above-mentioned defective, and technical scheme described below produces under this background.

Summary of the invention

Top priority of the present invention be to provide a kind of not only helped to save material and embody energy-conservation, but also help to improve effect of heat insulation, also be of value to improving and make on-the-spot environment and protect workers ' health, help avoid the stuff-free hollow fireproof door that secondary harm takes place in addition.

Another task of the present invention is to provide a kind of to be had visual effect and uses and make the inside and outside crowd of door leaf observe situation to avoid blindness, strives for the stuff-free hollow fireproof door of escaping and suing and labouring opportunity.

For top priority of the present invention is finished in embodiment, technical scheme provided by the invention is: a kind of stuff-free hollow fireproof door, comprise doorframe and door leaf, described door leaf comprises first, the second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body, one side of the first PLASTIC LAMINATED plate body and doorframe is fixed, the opposite side of the second PLASTIC LAMINATED plate body and doorframe is fixed, middle PLASTIC LAMINATED plate body is positioned at first, between the second PLASTIC LAMINATED plate body, and with described doorframe scarf, wherein, first, the second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body three keeping parallelism, and maintain first space between the side of the inboard of the first PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body, and remain with second space between the opposite side of the inboard of the second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body.

Finish another task of the present invention for embodiment, technical scheme provided by the invention is: the top in the short transverse of described door leaf is provided with a visual device, and this visual device matches with described first, second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body.

In a specific embodiment of the present invention, described doorframe is adsorbed with fire retardant for the surface and shape of cross section is the wooden doorframe of square or rectangular.

In another specific embodiment of the present invention, described first, second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body three's thickness is equal or unequal, and the width in described first, second space equates.

In another specific embodiment of the present invention, the length direction of the moulding up and down of described doorframe respectively offers at least one first, second space air vent, the first space air vent communicates with described first space, and the second space air vent communicates with described second space.

In another specific embodiment of the present invention, the surface of a side outward of the described first PLASTIC LAMINATED plate body is equipped with first fire prevention and protects plaque, and the surface of a side outward of the described second PLASTIC LAMINATED plate body 2 is equipped with second fire prevention and protects plaque.

Also have in the specific embodiment of the present invention, the thickness of described first, second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body is 4.5-5.5mm, and the width in described first, second space is 12-13mm.

More of the present invention and in specific embodiment, the thickness that plaque is protected in described first, second fire prevention respectively is 2-3mm.

In of the present invention and then specific embodiment, described visual device comprises supporting frame, window frame and clear glass, clear glass is embedded on the window frame, and window frame takes clear glass and matches with supporting frame, and supporting frame is connected with described first, second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body.

Of the present invention again more and in specific embodiment, described clear glass is double-deck and composite fireproof glass that be formed with hollow layer.

Technical scheme provided by the invention is owing to adopted the three layer construction that is made of jointly first, second PLASTIC LAMINATED plate body and middle PLASTIC LAMINATED plate body with door leaf, and design has first, second space, utilizing air is the physical principle of the non-conductor of heat, both embodied desirable heat-insulating, fire-preventing effect, make on-the-spot cleaning ambient owing to need not to adopt filler to embody economical with materials and energy conservation and improvement again, help workers'health; The heat-insulating flame-retardant effect is through 1200 ℃ of high temperature and last test more than the 60min, meets every technical indicator of national standard defined fully.

Description of drawings

Fig. 1 is the first bright example structure figure of the present invention.

Fig. 2 is a second embodiment of the present invention structure chart.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.

Embodiment 1:

Please be referring to Fig. 1, having provided material is that the surface is adsorbed with fire retardant and the cross section is the wooden doorframe 1 that shape of cross section is rectangle, and the fire retardant of mentioning here can adopt by the following raw material of preparation by weight percentage: ammoniacal liquor 24-28%, phosphoric acid dicyan ammonium 15-25%, two cyanogen ammonium 8-16, sulfamic acid 33-42% and water 1-6%.Production firm as labeled door, usually do not need to make by oneself aforesaid fire retardant, because can be by the timber of the direct acquisition of commercially available channel surface through the absorption fire retardant, the used timber of the doorframe 1 of present embodiment be first class A type fireproof wood available from the trade mark of super fire-fighting quipment Co., Ltd sale in Changshu City, Jiangsu Province, China.According to known general knowledge, door leaf 2 (custom claims the door body) is configured on the doorframe 1 beyond doubt, the door leaf 2 that the applicant recommended comprises first, the second PLASTIC LAMINATED plate body 21,22 and be positioned at first, the second PLASTIC LAMINATED plate body 21, middle PLASTIC LAMINATED plate body 23 between 22, the position, edge of the first PLASTIC LAMINATED plate body 21 is to be adhesively fixed or to fix or fix with a side surface of other similar fixed form and doorframe 1 with securing member, the opposite side surface of fixed form that the position, edge of the second PLASTIC LAMINATED plate body 22 is identical with the first PLASTIC LAMINATED plate body 21 and doorframe 1 is fixing, middle PLASTIC LAMINATED plate body 23 is then promptly inlayed fixing with mosaic mode and doorframe 1 scarf, specifically: the side at the position placed in the middle of the width of doorframe 1 is offered embedding groove 11, the edge of middle PLASTIC LAMINATED plate body 23 is embedded in the embedding groove 11, because, well-known reason, doorframe 1 is by upper frame bar, following moulding, left side moulding and right moulding constitute, therefore respectively offer the corresponding embedding groove 11 in position at the position placed in the middle of the width of each moulding, be bumped into for the edge of middle PLASTIC LAMINATED plate body 23.

By shown in Figure 1, and with present location status shown in Figure 1 is example, between a side (being illustrated left side) of inboard of the first PLASTIC LAMINATED plate body 21 (being illustrated right side) and middle PLASTIC LAMINATED plate body 23, maintain first space 212, between the opposite side (being illustrated right side) of inboard of the second PLASTIC LAMINATED plate body 22 (being illustrated left side) and middle PLASTIC LAMINATED plate body 23, remain with second space 222 equally.The thickness of first, second PLASTIC LAMINATED plate body 21,22 and middle PLASTIC LAMINATED plate body 23 preferably respectively is 4.5-5.5mm, is 4.8-5.2mm preferably, is 5mm better, and present embodiment is selected 5mm.That is to say, in the present embodiment, thickness value unanimity for first, second PLASTIC LAMINATED plate body 21,22 and middle PLASTIC LAMINATED plate body 23 threes, but also the thickness of first, second PLASTIC LAMINATED plate body 21,22 respectively can be got 5mm, and the thickness of middle PLASTIC LAMINATED plate body 23 is got 4.8mm, no matter be that three's thickness is identical or different therefore, all should not be considered as restriction to technical scheme provided by the invention.The preferred value unanimity of the size in aforesaid first, second space 212,222 is 12-13mm, and present embodiment is 13mm.

Continue to see Fig. 1, the surface that on the surface of the first PLASTIC LAMINATED plate body 21 side outward is illustrated left side preferably is compounded with first prevent fires protect plaque 211 identical with the first PLASTIC LAMINATED plate body 21 of one piece of size with bonding mode, with example, be that the surface on illustrated right side preferably is compounded with second prevent fires protect plaque 221 identical with the second PLASTIC LAMINATED plate body 22 of one piece of size with bonding mode on the surface of the second PLASTIC LAMINATED plate body 22 side outward.The size of first, second PLASTIC LAMINATED plate body 21,22 is undoubtedly identical.The thickness that plaque 211,221 is protected in first, second fire prevention is preferably identical, and is 2-3mm, and present embodiment respectively is 2.5mm.The material that plaque 211,221 is protected in first, second fire prevention is identical with aforesaid first, second PLASTIC LAMINATED plate body 21,22 and middle PLASTIC LAMINATED plate body 23, more particularly, first, second PLASTIC LAMINATED plate body 21,22, middle PLASTIC LAMINATED plate body 23 are identical with the material that plaque 211,221 is protected in first, second fire prevention, they are by commercially available channel acquisition, and are for example preferred but not use with being limited to and be respectively first class A-I, A-II type PLASTIC LAMINATED and fire prevention by the trade mark of super fire-fighting quipment Co., Ltd sale in Changshu City, aforesaid Jiangsu Province, China and protect plaque.Why the applicant claims first, second fire prevention to protect plaque in the above, be because of have graininess pattern or other similar pattern on the surface of this PLASTIC LAMINATED, after being installed on the building with labeled door, can play desirable cosmetic decoration effect, to promote sight property or to claim visuality, promptly increase aesthetic feeling.

Owing to be full of in aforesaid first, second space 212,222 air arranged, in case during breaking out of fire, when particularly door leaf 2 is burned by high temperature, the air that is present in first, second space 212,222 expands because of being heated, therefore in order to prevent door leaf 2 expansion explosion, on the upper frame bar of aforesaid doorframe 1 and following moulding, respectively offer at least one first, second space air vent 12,13, the first space air vent 12 communicates with aforementioned first space 212, and the second space air vent 13 communicates with aforesaid second space 222.When the high temperature of the flame when door leaf 2 suffers fire is burned, air in first, second space 212,222 expands because of being heated, in this case, because the first space air vent 12 both communicated with first space 212, communicate with outside or the title external world again, therefore, the air in first space 212 drains into the external world by the first space air vent 12; Because the second space air vent 13 both communicated with second space 222, communicate with outside or the title external world again again, therefore, the air in second space 222 drain into the external world by the second space air vent 13, thereby can avoid door leaf 2 explosions reliably.Preferred scheme is: respectively offer one first space air vent 12 at the two ends of the length direction of the upper frame bar of aforesaid doorframe 1 and following moulding and a side at middle part, opposite side is respectively offered one second space air vent 13, so, side at the length direction of upper and lower moulding respectively has three first space air vents 12 that all communicate with first space 212, with example, respectively have three second space air vents 13 that all communicate too with second space 222 at the opposite side of the length direction of upper and lower moulding.Certainly, the concrete quantity of first, second space air vent 12,13 on upper frame bar and the following moulding is not subjected to the restriction of aforementioned quantity, any increase or reduce the design of the quantity of first, second space air vent 12,13 all should be considered as the category of the application's technical scheme.Except that such scheme, offer air vent if protect on the plaque 211,221 in aforesaid first, second PLASTIC LAMINATED plate body 21,22, middle PLASTIC LAMINATED plate body 23 and first, second fire prevention, use the air that makes in first, second space 212,222 and drain into the external world, then will be understood that it is the variation of the technical scheme that provides of applicant, thereby belong to the scope of the disclosed technical scheme of the application equally.

Embodiment 2:

Please be referring to Fig. 2, in order to increase the visuality of labeled door, in order to personnel in the door understand outdoors situation and outdoors personnel examine and know an interior situation, for the escape of personnel in the door and for personnel such as fire fighter or other similar rescuer facilitate outdoors, the applicant has set up visual device 3 on the stuff-free hollow fireproof door of Fig. 1 structure, preferred but not the structure visual device 3 that is limited to is as follows: as to comprise supporting frame 31, window frame 32 and clear glass 33, clear glass 33 is double-deck and composite fireproof glass that be formed with hollow layer 331, this composite fireproof glass can be by the market acquisition, and the trade mark that for example preferably uses the new Shanghai of Chinese Shanghai fire-fighting equipment Co., Ltd to sell is ZX-3 type flame resistant glass.Clear glass 33 is embedded on the window frame 32, and window frame 32 is taken clear glass 33 and supporting frame 31 is fixing.By shown in Figure 2, whole supporting frame 31 is positioned at embodiment 1 described first, second space 212,222, the both sides of supporting frame 31 are covered by first, second PLASTIC LAMINATED plate body 21,22 and are protected, the material of supporting frame 31 is with aforesaid doorframe 1, and window frame 32 can adopt aluminium alloys or other materials similar, window frame 32 is fixing with aforesaid first, second PLASTIC LAMINATED plate body 21,22, and middle PLASTIC LAMINATED plate body 23 is fixing with chimeric mode and supporting frame 31.The position of whole visual device 3 (yet can be called visiting device) on door leaf 2 do not need painstakingly to limit, but preferred positions has been selected the top of door leaf 2.All the other are all with the description to embodiment 1.

The stuff-free hollow fireproof door that the applicant is obtained the foregoing description 1 and 2 is transferred to the testing agency's (national Notified body) that is positioned at Chinese Tianjin and is detected under secrecy provision, last 65min and do not occur such as distortion, explosion and phenomenon such as fall apart under 1200 ℃ of high temperature, every index has all satisfied the index of national standard defined.Therefore, the applicant has overcome the prejudice in the prior art, successfully the solid door fan structure in the prior art is become the hollow structure of stuff-free, has reached goal of the invention, the technique effect that the phase of having embodied gets can be assemblied in the occasions such as fire escape, passway for escaping and emergency exit of building.

Claims (10)

1. stuff-free hollow fireproof door, comprise doorframe (1) and door leaf (2), it is characterized in that described door leaf (2) comprises first, the second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23), the first PLASTIC LAMINATED plate body (21) is fixed with a side of doorframe (1), the second PLASTIC LAMINATED plate body (22) is fixed with the opposite side of doorframe (1), middle PLASTIC LAMINATED plate body (23) is positioned at first, the second PLASTIC LAMINATED plate body (21,22) between, and with described doorframe (1) scarf, wherein, first, the second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23) three's keeping parallelism, and maintain first space (212) between the side of the inboard of the first PLASTIC LAMINATED plate body (21) and middle PLASTIC LAMINATED plate body (23), and remain with second space (222) between the opposite side of the inboard of the second PLASTIC LAMINATED plate body (22) and middle PLASTIC LAMINATED plate body (23).

2. stuff-free hollow fireproof door according to claim 1, it is characterized in that being provided with a visual device (3) on the top of the short transverse of described door leaf (2), this visual device (3) matches with described first, second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23).

3. stuff-free hollow fireproof door according to claim 1 is characterized in that described doorframe (1) is adsorbed with fire retardant for the surface and shape of cross section is the wooden doorframe of square or rectangular.

4. stuff-free hollow fireproof door according to claim 1, the thickness that it is characterized in that described first, second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23) three is equal or unequal, and the width of described first, second space (212,222) equates.

5. stuff-free hollow fireproof door according to claim 1, the length direction that it is characterized in that the moulding up and down of described doorframe (1) respectively offers at least one first, second space air vent (12,13), the first space air vent (12) communicates with described first space (212), and the second space air vent (13) communicates with described second space (222).

6. according to claim 1 or 2 or 4 described stuff-free hollow fireproof door, the surface that it is characterized in that a side outward of the described first PLASTIC LAMINATED plate body (21) is equipped with first fire prevention and protects plaque (211), and the surface of a side outward of the described second PLASTIC LAMINATED plate body (22) is equipped with second fire prevention and protects plaque (221).

7. according to claim 1 or 4 described stuff-free hollow fireproof door, the thickness that it is characterized in that described first, second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23) is 4.5-5.5mm, and the width of described first, second space (212,222) is 12-13mm.

8. stuff-free hollow fireproof door according to claim 6 is characterized in that it respectively is 2-3mm that the thickness of plaque (211,221) is protected in described first, second fire prevention.

9. stuff-free hollow fireproof door according to claim 2, it is characterized in that described visual device (3) comprises supporting frame (31), window frame (32) and clear glass (33), clear glass (33) is embedded on the window frame (32), and window frame (32) takes clear glass (33) and matches with supporting frame (31), and supporting frame (31) is connected with described first, second PLASTIC LAMINATED plate body (21,22) and middle PLASTIC LAMINATED plate body (23).

10. stuff-free hollow fireproof door according to claim 9 is characterized in that described clear glass (33) is double-deck and composite fireproof glass that be formed with hollow layer (331).

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