CN205805345U - Fire resistant doorsets - Google Patents

Abstract

A kind of fire resistant doorsets, including fireproof door frame, fire resistant doorsets main body, PLASTIC LAMINATED and the fire-resistant door core of strip, the rectangular tabular of fire resistant doorsets main body, multiple fire-resistant door core is installed in fire resistant doorsets main body, the length direction of multiple fire-resistant door cores extends along the short transverse of fire resistant doorsets main body, and multiple fire-resistant door cores are arranged along the width parallel interval of fire resistant doorsets main body；Fire resistant doorsets main body is rotationally connected with fireproof door frame, and fireproof door frame includes the inner side and outer side along its thickness direction, and the inner side of fireproof door frame is provided with PLASTIC LAMINATED, and PLASTIC LAMINATED is slidably connected to fireproof door frame, for blocking the gap between fire resistant doorsets main body and fireproof door frame.These fire resistant doorsets are when carrying out fire protection, and the structural strength of fire resistant doorsets is high, is not susceptible to buckling deformation, is difficult to gap occur in the environment of being heated for a long time, and flare and dense smoke are difficult to from scurrying out within doors, protection effective.

Description

Fire resistant doorsets

Technical field

This utility model relates to fire resistant doorsets processing and manufacturing technical field, in particular to a kind of fire resistant doorsets.

Background technology

Fire resistant doorsets refer to disclosure satisfy that the door that fire resistance, integrity and thermal insulation require within a certain period of time, are provided in Between fire compartment, emergency staircase, vertical shaft etc. there is the fire separation thing of certain fire resistance.Such as: be attached to the high-rise people With the canyon (steel cylinder room, foam station etc.) of the fixed equipments for fire protection in building, the door separation of ventilation, air handling unit room etc. should Use first class fire resistant doorsets；The door on basement room partition wall that often someone stops or combustible is more, should use first class to prevent fires Door；Because of subject to conditions, it is necessary to arrange fuel oil, the boiler of combustion gas, combustible oil-filled electric transformer in skyscraper, be filled with Can the high-voltage capacitor of fuel oil and switch etc., the door on andron partition wall, all should use first class fire resistant doorsets.Also it is designed with spy Different require must fireproof partition door, such as the partition door in fire fighting monitoring command centre, archives material room, valuables warehouse etc., Generally select first class or second class fire resistant doorsets.The partition door in high-rise senior house building, frequently with fireproof and theftproof door.Fire resistant doorsets are fire-fightings Important component part in equipment, is the important ring in society's fire prevention, and fire resistant doorsets should install fireproof door closer or setting allows Normally opened fire resistant doorsets can be automatically switched off the door closer-holder of door leaf (except privileged sites use, such as conduit shaft door when fire occurs Deng).

Inventor finds under study for action, and traditional fire resistant doorsets the most at least have a disadvantage in that

Fire resistant doorsets are automatically switched off under the effect of door closer when fire occurs, and fire resistant doorsets are easy in the case of temperature is higher The deformation such as warpage, bending occurs, causes gap, flare or dense smoke occurring easily from gap between fire resistant doorsets main body and fireproof door frame In scurry out, and then reduce security protection performance, fireproof weak effect, accident easily occurs.

Utility model content

The purpose of this utility model is to provide a kind of fire resistant doorsets, and it is simple and reasonable, it is simple to processing and manufacturing, and fire prevention Effective, in fire point, fire resistant doorsets are unlikely to deform after being heated, and its structural stability is good, decrease flare or dense smoke Situation about scurrying out from crack between a door and its frame, uses safer.

Embodiment of the present utility model is achieved in that

Based on above-mentioned purpose, this utility model provides a kind of fire resistant doorsets, and it includes fireproof door frame, fire resistant doorsets main body, prevents Fire plate and the fire-resistant door core of strip, the described rectangular tabular of fire resistant doorsets main body, be provided with multiple institute in described fire resistant doorsets main body Stating fire-resistant door core, the length direction of multiple described fire-resistant door cores extends along the short transverse of described fire resistant doorsets main body, multiple described Fire-resistant door core is arranged along the width parallel interval of described fire resistant doorsets main body；Described fire resistant doorsets main body turns with described fireproof door frame Being dynamically connected, it is described that described fireproof door frame includes that the inner side and outer side along its thickness direction, the inner side of described fireproof door frame are provided with PLASTIC LAMINATED, described PLASTIC LAMINATED is slidably connected to described fireproof door frame, is used for blocking described fire resistant doorsets main body and described fireproof door frame Between gap.

In this utility model preferred embodiment, the cross section being perpendicular to its length direction of described fire-resistant door core is circle Shape, the outer peripheral face of described fire-resistant door core is provided with multiple annular slot, and the length direction of each described annular slot is along described anti- The side face direction of vent core extends, and multiple described annular slots are spaced setting along the length direction of described fire-resistant door core, described anti- Being provided with many groups in vent main body and connect assembly, often organize described connection assembly and include multiple connector, each described connector has Having connecting portion in the form of a ring, the multiple described connecting portion one_to_one corresponding connecting assembly described in same group is set in multiple described annular In draw-in groove.

In this utility model preferred embodiment, described annular slot is provided with two, and two described annular slots divide Not two ends near described fire-resistant door core are arranged, and often organize described connection assembly and include two described connectors, described in two Connector is respectively sleeved in two described annular snap draw-in grooves of same described fire-resistant door core, and to make described fire-resistant door core be arch Shape.

In this utility model preferred embodiment, described connector also includes installation portion, and described installation portion is fixing to be connected In described connecting portion, described installation portion is round table-like, described installation portion include the first rounded end face and the second end face and Including the periphery between two end faces, described periphery is connected with described first end face and described second end face respectively, The diameter of described first end face is less than the diameter of described second end face, and described connecting portion is installed on described first end face, and described the Biend is installed on fire resistant doorsets main body.

In this utility model preferred embodiment, described fire resistant doorsets main body uses metal material to make, described connector Employing metal material is made, and described fire resistant doorsets main body is fixing with described connector employing welding manner to be connected.

In this utility model preferred embodiment, in described fire resistant doorsets main body, it is provided with multiple welding bench, each described Welding bench protrudes the corresponding inner surface of described fire resistant doorsets main body, and each described welding bench is provided with installing hole, described installation Portion is installed in the described installing hole of correspondence, and described connector is welded and fixed with described welding bench.

In this utility model preferred embodiment, described fireproof door frame includes two crossbeams being oppositely arranged and includes Two longerons being oppositely arranged, adjacent described crossbeam is connected in end with described longeron, described fire resistant doorsets body rotation The pivot center being connected to longeron described in, described fire resistant doorsets main body and described longeron is parallel to the length direction of described longeron；

The inner side of described crossbeam is provided with described PLASTIC LAMINATED, and described PLASTIC LAMINATED is slidably connected to described crossbeam, described fire prevention The glide direction of plate is along the length direction being parallel to described longeron.

In this utility model preferred embodiment, described fire resistant doorsets also include hydraulic-driven assembly, described hydraulic-driven The outfan of assembly connects described PLASTIC LAMINATED, is used for driving described PLASTIC LAMINATED to reciprocatingly slide relative to described crossbeam.

In this utility model preferred embodiment, described fire resistant doorsets also include temperature sensor, described temperature sensor Being installed on described fireproof door frame, described temperature sensor electrically connects described hydraulic-driven assembly, and described temperature sensor is used for examining Surveying the temperature of described fire resistant doorsets main body and generate operational order, described hydraulic pressure control drives assembly to open according to described instruction or close Close.

In this utility model preferred embodiment, described crossbeam is provided with guide rail, described PLASTIC LAMINATED is provided with The chute that described guide rail matches, described slide is connected to described chute.

This utility model embodiment provides the benefit that:

In sum, this utility model provides a kind of fire resistant doorsets, this Fireproof door structure advantages of simple, processing and manufacturing side Just, low cost of manufacture, meanwhile, these fire resistant doorsets are when carrying out fire protection, and the structural strength of fire resistant doorsets is high, at the ring being heated for a long time Being not susceptible to buckling deformation under border, be difficult to gap occur, flare and dense smoke are difficult to from scurrying out within doors, protection effective, specifically As follows:

The fire resistant doorsets present embodiments provided, it is simple and reasonable, including fire resistant doorsets main body, fireproof door frame, fire resistant doorsets Body rotation is connected on fireproof door frame, plays function that is normally-open or that close, is provided with multiple in fire resistant doorsets main body The fire-resistant door core of shape, fire-resistant door core has incombustible performance, and fire-resistant door core is designed to strip, and along fire resistant doorsets main body Length direction extends, and the situation of warpage easily occurs when being heated in the length direction of fire resistant doorsets main body, and therefore, fire-resistant door core is along fire prevention Door main body length direction extends, and has the effect supporting fire resistant doorsets main body, enhances the bend resistance intensity of fire resistant doorsets main body, be subject to Being not susceptible to deformation during heat, fire-resistant door core is provided with many, and the width along fire resistant doorsets main body is intervally arranged, fire resistant doorsets main body Bending resistance more preferable.Meanwhile, being additionally provided with PLASTIC LAMINATED on fireproof door frame, PLASTIC LAMINATED can cover fire resistant doorsets main body with anti- The gap of vent frame, when fire occurs, flare and dense smoke will not be scurried out at crack between a door and its frame, add fireproof performance.

Accompanying drawing explanation

Fire resistant doorsets refer to disclosure satisfy that the door that fire resistance, integrity and thermal insulation require within a certain period of time, are provided in Between fire compartment, emergency staircase, vertical shaft etc. there is the fire separation thing of certain fire resistance.Fire resistant doorsets are when fire occurs Being automatically switched off under the effect of door closer, fire resistant doorsets easily occur the deformation such as warpage, bending in the case of temperature is higher, cause preventing Occur between vent main body and fireproof door frame that gap, flare or dense smoke are easily scurried out from gap, and then reduce security protection Performance, fireproof weak effect, accident easily occurs.

In consideration of it, this utility model designer devises a kind of fire resistant doorsets, it is simple and reasonable, convenient processing and manufacture, Fire resistant doorsets are not susceptible to deformation when being heated, and are difficult to bigger gap occur between fire resistant doorsets main body and fireproof door frame, flare with Dense smoke is difficult to scurry out, safe and reliable during use.

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other relevant accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation of the fire resistant doorsets of this utility model embodiment；

Fig. 2 is the sectional view (not shown fireproof door frame) of the fire resistant doorsets of this utility model embodiment；

Fig. 3 is the side sectional view (not shown fireproof door frame) of the fire-resistant door core of this utility model embodiment；

Fig. 4 is the structural representation of the fireproof door frame of this utility model embodiment；

Fig. 5 is the sectional view of the fire-resistant door core of this utility model embodiment；

Fig. 6 is the structural representation of the PLASTIC LAMINATED of this utility model embodiment；

Fig. 7 is the partial schematic diagram of the fire resistant doorsets main body of this utility model embodiment；

Fig. 8 is the structural representation of the connector of this utility model embodiment.

In figure:

Fireproof door frame 100, crossbeam 110, longeron 120, guide rail 130,

Fire resistant doorsets main body 200, connector 210, installation portion 211, connecting portion 212, welding bench 220,

PLASTIC LAMINATED 300, chute 310,

Fire-resistant door core 400, annular slot 410,

Hydraulic-driven assembly 500.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.

Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all Belong to the scope of this utility model protection.

It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.

In description of the present utility model, it should be noted that the instruction such as term " vertically ", " level ", " interior ", " outward " Orientation or position relationship are based on orientation shown in the drawings or position relationship, or usually put when this utility model product uses The orientation put or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint indication Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality Novel restriction.Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and it is not intended that indicate or dark Show relative importance.

Additionally, the term such as term " level ", " vertically ", " pendency " is not offered as requiring parts abswolute level or pendency, and It is to be slightly tilted.As " level " only refers to for its direction relatively " vertically " more level, it it is not this structure of expression Must be perfectly level, but can be slightly tilted.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition Solve above-mentioned term concrete meaning in this utility model.

Embodiment

Refer to Fig. 1-Fig. 2, present embodiments provide a kind of fire resistant doorsets, including fireproof door frame 100, fire resistant doorsets main body 200, fire-resistant door core 400, hydraulic-driven assembly 500, temperature sensor and PLASTIC LAMINATED 300.

Fire resistant doorsets main body 200 is arranged on fireproof door frame 100, is rotationally connected with fireproof door frame 100, it is achieved fire resistant doorsets main body Normally-open and the closing function of 200, it is in addition to the effect with common door, also has and stops fire spreading and flue gas to spread Effect, has preferable protective action, can arrange multiple containing cavity, it is possible to alleviate fire resistant doorsets main body in fire resistant doorsets main body 200 The weight of 200, saves rapidoprint, it is simple to install.Fire resistant doorsets main body 200 uses metal material to make, and intensity is high, not rapid wear Bad, service life is long.

Referring to Fig. 4, fireproof door frame 100 is rectangle frame, is used in combination with fire resistant doorsets main body 200, and fireproof door frame 100 is pacified Being contained on body of wall, fire resistant doorsets main body 200 is arranged in fireproof door frame 100.Fireproof door frame 100 includes two crossbeams being oppositely arranged 110 and include that two longerons being oppositely arranged 120, adjacent crossbeam 110 are connected with longeron 120, and link position is horizontal Beam 110 and the end of longeron 120, define rectangle frame, and after doorframe is installed, longeron 120 is vertically arranged, and crossbeam 110 is horizontally disposed with, Fire resistant doorsets main body 200 is rotatably connected on one of them longeron 120, i.e. constitutes univalve door, the axis that fire resistant doorsets main body 200 rotates Parallel with the axis of longeron 120, at vertical rotation in surface.It is provided with guide rail 130 on the crossbeam 110 of fireproof door frame 100, it is clear that Guide rail 130 can be all set on two crossbeams 110 and two longerons 120.

Refer to Fig. 6, the plate-like piece that PLASTIC LAMINATED 300 is made for metal material, be arranged on fireproof door frame 100, it is possible to phase Fireproof door frame 100 is slided, and then covers between the gap of fireproof door frame 100 and fire resistant doorsets main body 200, prevent fire from occurring During flare and dense smoke scurry out from gap, cause spreading of the intensity of a fire.Further, fireproof door frame 100 is along its thickness direction Including inner side and outer side, the side being i.e. positioned at room is inner side, and the side being positioned at outside room is outside, and PLASTIC LAMINATED 300 is installed In inner side, do not interfere with attractive in appearance.PLASTIC LAMINATED 300 is arranged on a crossbeam 110, and PLASTIC LAMINATED 300 is slidably connected with crossbeam 110, The glide direction edge of PLASTIC LAMINATED 300 is parallel to the length direction of longeron 120, i.e. PLASTIC LAMINATED 300 can slide up and down, and then cover Gap between fire resistant doorsets main body 200 and crossbeam 110, in order to improve flameproof effect, can be respectively provided with on two crossbeams 110 PLASTIC LAMINATED 300, it is also possible to install PLASTIC LAMINATED 300 on two longerons 120, it is possible to by fire resistant doorsets main body 200 and fireproof door frame 100 Corresponding four gaps all shelter from, flameproof effect is good.Carry out PLASTIC LAMINATED 300 when installing, position when PLASTIC LAMINATED 300 slides Can not change, easily affect flameproof effect, therefore, PLASTIC LAMINATED 300 arranges chute 310, the chute of PLASTIC LAMINATED 300 310 with Guide rail 130 on crossbeam 110 or longeron 120 matches, by being connected of chute 310 and guide rail 130, PLASTIC LAMINATED 300 Sliding convenient, and position when sliding is difficult to variation, the position after slip easily facilitates and determines, it is possible to preferably Gai Fang At gap between vent main body 200 and fireproof door frame 100, flameproof effect is good.

Referring to Fig. 4, a crossbeam 110 is provided with two guide rails be arrangeding in parallel 130, guide rail 130 is in strip bulge Shape, the cross section of guide rail 130 is rectangle, and guide rail 130 is parallel to longeron 120 and arranges, and accordingly, PLASTIC LAMINATED 300 arranges two Chute 310, each chute 310 is to being applied to install a guide rail 130, and chute 310 is rectangular channel, and matching relationship is good, and two The structure of guide rail 130 so that the stress of PLASTIC LAMINATED 300 more balances, is difficult to during slip.

Can manually control PLASTIC LAMINATED 300 to slide, when fire occurs, PLASTIC LAMINATED 300 be slided down, cover at seam At gap, it is ensured that flare is difficult to scurry out.Refer to Fig. 1, for the ease of the control of the sliding action of PLASTIC LAMINATED 300, this embodiment In preferred version, by hydraulic-driven assembly 500 drive connection PLASTIC LAMINATED 300, control hydraulic-driven assembly 500 unlatching or Closing the sliding action realizing PLASTIC LAMINATED 300, open hydraulic-driven assembly 500, PLASTIC LAMINATED 300 slides, and covers gap, closes Hydraulic-driven assembly 500, slides, exposes gap in PLASTIC LAMINATED 300 direction.Hydraulic-driven assembly 500 drive connection PLASTIC LAMINATED 300, Ordering about PLASTIC LAMINATED 300 to slide on guide rail 130, slide is convenient and swift.

In order to realize Based Intelligent Control further, it is ensured that when fire occurs, it is possible to cover gap in time, this embodiment preferred In scheme, hydraulic-driven assembly 500 connects and has temperature sensor, temperature sensor to be arranged on fireproof door frame 100, temperature Sensor electrical connection hydraulic-driven assembly 500, temperature sensor is used for detecting the temperature of fire resistant doorsets main body 200 and generating operation referring to Order, when temperature is too high, has exceeded the preset temperature of temperature sensor, then send operational order and control hydraulic-driven assembly 500 Running, hydraulic-driven assembly 500 is opened, and drives PLASTIC LAMINATED 300 to move, covers between fire resistant doorsets main body 200 and fireproof door frame 100 Gap, react sensitiveer, it is possible to cover gap in time, flameproof effect is good.

Referring to Fig. 2, fire-resistant door core 400 is in strip, it is simple to installs and manufactures, and fire-resistant door core 400 is arranged on fire resistant doorsets master In body 200, the length direction of fire-resistant door core 400 extends along the short transverse of fire resistant doorsets main body 200, and fire-resistant door core 400 is provided with Multiple, multiple fire-resistant door cores 400 are spaced setting, the i.e. length direction of fire-resistant door core 400 along the width of fire resistant doorsets main body 200 It is parallel to the length direction of longeron 120, multiple fire-resistant door core 400 one_to_one corresponding are arranged on the containing cavity of fire resistant doorsets main body 200 In, when being heated, easily there is the situation of warpage or bending in fire resistant doorsets main body 200, causes the flameproof effect of fire resistant doorsets main body 200 Weaken, therefore, fire-resistant door core 400 is set in fire resistant doorsets main body 200, it is possible to strengthen the intensity of fire resistant doorsets main body 200, be heated not Yielding, and fire resistant doorsets main body 200 easily deforms along its length, fire-resistant door core 400 is along the length direction of fire resistant doorsets main body 200 Extending, consolidation effect is more preferable.

Referring to Fig. 5, the cross section being perpendicular to its length direction of fire-resistant door core 400 is circle, the periphery of fire-resistant door core 400 Face is provided with multiple annular slot 410, and the length direction of each annular slot 410 extends along the side face direction of fire-resistant door core 400, Multiple annular slots 410 are spaced setting along the length direction of fire-resistant door core 400, fire resistant doorsets main body 200 is provided with and organizes connection more Assembly, often group connects assembly and includes that multiple connector 210, each connector 210 have a connecting portion 212 in the form of a ring, same group Multiple connecting portions 212 one_to_one corresponding connecting assembly is set in multiple annular slot 410.Annular slot 410 is provided with two, Two annular slots 410, respectively close to two ends settings of fire-resistant door core 400, are often organized connection assembly and are included two connectors 210, good fixing effect, connector 210 makes for metal material, and intensity is high, and two connectors 210 are respectively sleeved at same fire prevention In two annular snap draw-in grooves of door core 400, and making fire-resistant door core 400 domed, fire-resistant door core 400 has certain tension force, adds Gu effective, prevent the situation of fire resistant doorsets main body 200 temperature distortion from occurring further.

Referring to Fig. 8, further, connector 210 also includes that installation portion 211, installation portion 211 are fixedly connected on connecting portion 212, installation portion 211 is in round table-like, and installation portion 211 includes the first rounded end face and the second end face and includes being positioned at two Periphery between end face, periphery is connected with the first end face and the second end face respectively, and the diameter of the first end face is less than the second end The diameter in face, connecting portion 212 is installed on the first end face, and the second end face is installed on fire resistant doorsets main body 200, it is simple to fire-resistant door core 400 Connection with fire resistant doorsets main body 200.Refer to Fig. 7, be preferably arranged to, multiple welding bench is set in fire resistant doorsets main body 200 220, each welding bench 220 protrudes the corresponding inner surface of fire resistant doorsets main body 200, and each welding bench 220 is provided with installing hole, Installation portion 211 is installed in the installing hole of correspondence, and connector 210 is welded and fixed with welding bench 220, and fire resistant doorsets main body 200 is with anti- Vent core 400 uses the fixing connection of mode of welding, and overall sound construction is reliable, and fire resistant doorsets main body 200 is unlikely to deform.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (10)

1. fire resistant doorsets, it is characterised in that include fireproof door frame, fire resistant doorsets main body, PLASTIC LAMINATED and the fire-resistant door core of strip, The described rectangular tabular of fire resistant doorsets main body, is provided with multiple described fire-resistant door core, multiple described fire prevention in described fire resistant doorsets main body The length direction of door core extends along the short transverse of described fire resistant doorsets main body, and multiple described fire-resistant door cores are along described fire resistant doorsets main body Width parallel interval arrange；Described fire resistant doorsets main body is rotationally connected with described fireproof door frame, and described fireproof door frame includes Along the inner side and outer side of its thickness direction, the inner side of described fireproof door frame is provided with described PLASTIC LAMINATED, and described PLASTIC LAMINATED slides even It is connected to described fireproof door frame, for blocking the gap between described fire resistant doorsets main body and described fireproof door frame.

Fire resistant doorsets the most according to claim 1, it is characterised in that described fire-resistant door core be perpendicular to its length direction cut Face is circular, and the outer peripheral face of described fire-resistant door core is provided with multiple annular slot, the length direction edge of each described annular slot The side face direction of described fire-resistant door core extends, and multiple described annular slots are spaced setting along the length direction of described fire-resistant door core, It is provided with many groups in described fire resistant doorsets main body and connects assembly, often organize described connection assembly and include multiple connector, each described company Fitting has connecting portion in the form of a ring, and the multiple described connecting portion one_to_one corresponding connecting assembly described in same group is set in multiple institute State in annular slot.

Fire resistant doorsets the most according to claim 2, it is characterised in that described annular slot is provided with two, two described rings Shape draw-in groove is arranged respectively close to two ends of described fire-resistant door core, often organizes described connection assembly and includes two described connectors, Two described connectors are respectively sleeved in two described annular snap draw-in grooves of same described fire-resistant door core, and make described fire resistant doorsets Core is domed.

4. according to the fire resistant doorsets described in Claims 2 or 3, it is characterised in that described connector also includes installation portion, described installation Portion is fixedly connected on described connecting portion, and described installation portion is round table-like, and described installation portion includes the first rounded end face and Biend and include the periphery between two end faces, described periphery respectively with described first end face and described second End face connects, and the diameter of described first end face is less than the diameter of described second end face, and described connecting portion is installed on described first end Face, described second end face is installed on fire resistant doorsets main body.

Fire resistant doorsets the most according to claim 4, it is characterised in that described fire resistant doorsets main body uses metal material to make, institute Stating connector uses metal material to make, and described fire resistant doorsets main body is fixing with described connector employing welding manner to be connected.

Fire resistant doorsets the most according to claim 5, it is characterised in that be provided with multiple welding bench in described fire resistant doorsets main body, Each described welding bench protrudes the corresponding inner surface of described fire resistant doorsets main body, and each described welding bench is provided with installing hole, Described installation portion is installed in the described installing hole of correspondence, and described connector is welded and fixed with described welding bench.

Fire resistant doorsets the most according to claim 1, it is characterised in that described fireproof door frame includes two crossbeams being oppositely arranged And include that two longerons being oppositely arranged, adjacent described crossbeam are connected in end with described longeron, described fire resistant doorsets Body rotation is connected to longeron described in, and the pivot center of described fire resistant doorsets main body and described longeron is parallel to the length of described longeron Degree direction；

The inner side of described crossbeam is provided with described PLASTIC LAMINATED, and described PLASTIC LAMINATED is slidably connected to described crossbeam, described PLASTIC LAMINATED Glide direction is along the length direction being parallel to described longeron.

Fire resistant doorsets the most according to claim 7, it is characterised in that described fire resistant doorsets also include hydraulic-driven assembly, described The outfan of hydraulic-driven assembly connects described PLASTIC LAMINATED, is used for driving described PLASTIC LAMINATED to reciprocatingly slide relative to described crossbeam.

Fire resistant doorsets the most according to claim 8, it is characterised in that described fire resistant doorsets also include temperature sensor, described temperature Degree sensor is installed on described fireproof door frame, and described temperature sensor electrically connects described hydraulic-driven assembly, described temperature sensing Device is for detecting the temperature of described fire resistant doorsets main body and generating operational order, and described hydraulic pressure control drives assembly to open according to described instruction Open or close.

10. according to the fire resistant doorsets described in any one of claim 7-9, it is characterised in that be provided with guide rail, institute on described crossbeam Stating and be provided with the chute matched with described guide rail on PLASTIC LAMINATED, described slide is connected to described chute.