CN207776134U

CN207776134U - A kind of fire-blocking belt component of trapezoidal cross-section

Info

Publication number: CN207776134U
Application number: CN201721689253.XU
Authority: CN
Inventors: 陈星�; 刘义
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2018-08-28
Anticipated expiration: 2027-12-07

Abstract

The utility model discloses a kind of fire-blocking belt component of trapezoidal cross-section, and vertical section is ladder structure of right angle, and the upper end length of trapezium structure is more than lower end length；Including corner member and the overlap joint component that is arranged between corner member in outside corner of wall portion is arranged；The vertical section of the corner member and overlap joint component is right-angled trapezium；The overlap joint component mutually overlaps and overlaps the corner member at one face exterior wall both ends of connection；It is 45 ° of corner cuts that the corner member, which is located at exterior wall right angle end, splices right angle in 90 ° between the corner member being connected at the exterior wall right-angled corner of two sides；And corner member and overlap joint component between, overlap joint component and overlap joint component between be the bridging arrangement for avoiding flue gas from leading directly to upwards；The fire-blocking belt component of the utility model can guide high-temperature flue gas to external diffusion, the possibility of a floor insulating layer on flame ignition is reduced to a certain degree, and to reduce casualties and economic loss, and this planform is fixed, securely and reliably, simple in structure, at low cost.

Description

A kind of fire-blocking belt component of trapezoidal cross-section

Technical field

The utility model category building fire protection technical field of structures, the fire-blocking belt component of especially a kind of trapezoidal cross-section.

Background technology

The application of architecture exterior wall insulating materials can substantially reduce building energy consumption.But for the widely used fire resisting of institute at present Grade B2 and B2 thermal insulation materials below, but produce hidden danger in terms of building fire protection.After flame ignition thermal insulation material, the intensity of a fire It is crept up from facade, and rapidly diffuses into a floor, increase fire damage.

Existing fire-blocking belt is between floor, is in usually perpendicular platy structure, when fire is greater, fire Flame still may span across fire-blocking belt and creep up.And for building upper common fire prevention cornice structure, it is generally positioned at door and window hole The top of mouth can not also prevent high-temperature flue gas caused by being burnt by wall heat insulation material from creeping up.

Chinese patent " fireproof isolation belt for high-rise building " (application number：201110090608.4 publication date：2011-09-14) A kind of fire-blocking belt is disclosed, to be laterally band-like, annular closed loop hoop is arranged in high-rise and hangs down on skin Histogram is upward, if according to floor, height setting arterial highway fire-blocking belt, after fire occurs, flame has channeled to outside of the building, and When continuing up burning, fire-blocking belt launches into working condition, plays flame-retarding fire-extinguishing function.However, this fire prevention isolation Band structure is sufficiently complex, need to set sensing device and automatic control system, and own cost and maintenance cost are higher.

Invention content

The technical issues of the utility model is solved is to provide a kind of fire-blocking belt component of trapezoidal cross-section, structure letter Single, of low cost, reliable operation.

Realize that the technical solution of the utility model aim is：

A kind of fire-blocking belt component of trapezoidal cross-section, the generally ladder structure of right angle of vertical section, trapezium structure it is upper End is parallel with lower end, and upper end length is more than lower end length；Exist including the corner member being arranged at exterior wall right-angled corner and setting Overlap joint component between corner member；The vertical section of the corner member and overlap joint component is right-angled trapezium；The overlap joint component phase Mutually overlap and overlap the corner member at one face exterior wall both ends of connection；The corner member is located at one end at exterior wall right-angled corner and is cut for 45 ° Right angle in 90 ° is spliced between two corner members at the exterior wall right-angled corner of two sides in angle.

The utility model compared with prior art, remarkable advantage：

(1) reliable operation：The fire-blocking belt component entirety vertical section of the utility model is ladder structure of right angle, and upper end is straight Arm of angle length is more than lower end right angle edge lengths, and high-temperature flue gas can be guided to external diffusion, reduces to a certain degree one on flame ignition The possibility of floor insulating layer, to reduce casualties and economic loss, and this planform is fixed, securely and reliably.

(2) it is to avoid cigarette between the corner member of the utility model and overlap joint component, between overlap joint component and overlap joint component The bridging arrangement that gas is led directly to upwards can effectively avoid high-temperature flue gas and be crept up from gap.

(3) simple in structure, at low cost：The fire-blocking belt element structure of the utility model is simple, makes, installation is all held Easily, project cost is substantially reduced.

The utility model is described in further detail below in conjunction with the accompanying drawings.

Description of the drawings

Fig. 1 is the side elevation structural schematic diagram of fire-blocking belt component.

Fig. 2 (a-b) is respectively the positive schematic view of facade structure for overlapping two kinds of forms of component.

Fig. 3 (a-b) is respectively the overlooking structure diagram for overlapping two kinds of forms of component.

Fig. 4 (a-d) is respectively the positive schematic view of facade structure of four kinds of forms of corner member.

Fig. 5 (a-d) is respectively the overlooking structure diagram of four kinds of forms of corner member.

Fig. 6 is the combination connection diagram for overlapping component and corner member.

Fig. 7 is that the fire-blocking belt component of the utility model is mounted on the vertical section schematic diagram of exterior wall.

Fig. 8 is that the fire-blocking belt component of the utility model is mounted on the floor map of exterior wall.

Fig. 9 is that the fire-blocking belt component of the utility model is mounted on the elevational schematic view of exterior wall.

Specific implementation mode

In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is to this reality It is described further with novel.

In conjunction with Fig. 1, a kind of fire-blocking belt component of trapezoidal cross-section of the utility model, generally the right angle ladder of vertical section The top and bottom of shape structure, trapezium structure are parallel, and upper end length is more than lower end length so that fire-blocking belt component is under It is stretched out outward from external wall upwards, high-temperature flue gas can be guided to external diffusion, reduce Stall on flame ignition to a certain degree The possibility of layer insulating layer, to reduce casualties and economic loss, and this planform is fixed, securely and reliably.

In conjunction with Fig. 1-6, the fire-blocking belt component of 8,9 trapezoidal cross-sections includes the angle being arranged at exterior wall right-angled corner The component 1B and overlap joint component 1A being arranged between corner member 1B；The vertical section of the corner member 1B and overlap joint component 1A are straight Angle is trapezoidal；The overlap joint component 1A is mutually overlapped and is overlapped the corner member 1B at one face exterior wall both ends of connection；Such as Fig. 6,8, the angle It is 45 ° of corner cuts that component 1B, which is located at exterior wall right-angled corner one end, between the corner member 1B being connected at the exterior wall right-angled corner of two sides Splice right angle in 90 ° so that the corner member 1B being connected at the exterior wall right-angled corner of two sides is bonded with exterior wall corner, it can be achieved that building The seamless overlap joint of exterior wall difference metope, avoids flue gas from being crept up from corner gap.

Be between the corner member 1B and overlap joint component 1A, between overlap joint component 1A and overlap joint component 1A avoid flue gas to Upper straight-through bridging arrangement；

In some embodiments, as shown in Fig. 2 (a-b), Fig. 3 (a-b), the overlap joint component 1A facades are right-angle Z-shaped, It is overlapped using both sides recess between adjacent overlap joint component 1A；Such as Fig. 4 (a-d), Fig. 5 (a-d), the corner member 1B and overlap joint structure Part 1A connected ends are equipped with and the overlap joint matched recesses of component 1A；It such as Fig. 6, is overlapped by above-mentioned recess, corner member 1B and overlap joint The straight-through gap of flue gas will not be generated in vertical direction between component 1A, between overlap joint component 1A and overlap joint component 1A, caused High-temperature flue gas is crept up from gap.

In other embodiment, it is equipped with protrusion among the one end the overlap joint component 1A, is equipped among the other end recessed Mouthful, and notch part is consistent with the shape of projection portion, protrusion is connected with recess overlap joint between adjacent overlap joint component 1A, also may be used To avoid the straight-through gap of generation flue gas in vertical direction.

It is further improved as to the above embodiment, the material of the corner member 1B and overlap joint component 1A are A grades Incombustible material.

Further, it is additionally provided with protective layer 5 on the outside of the fire-blocking belt component of the trapezoidal cross-section, prevents steam intrusion anti- Fire screen can be seamlessly connected from band member between upper layer insulating layer of external wall 2A and the protective layer of lower layer insulating layer of external wall 2B.

As shown in Fig. 7,9, when installing and using, by the building of the fire-blocking belt component 1 and upper and lower floor gap of the utility model Plate 4 is with height, the facade insulating layer of different floors is isolated.Fire-blocking belt component 1 is tightly attached to the upper flat plate of superstructure exterior wall 3 Between insulating layer 2A and the lower layer insulating layer 2B of substrustion exterior wall 3；The thickness of 1 lower end of fire-blocking belt component can be according to lower layer The thickness of insulating layer 2B is adjusted, it is preferred that the thickness phase of the thickness of 1 lower end of fire-blocking belt component and lower layer insulating layer 2B Together；When fire occurs for lower layer, the fire-blocking belt component 1 of the utility model can be effectively reduced a floor on flame ignition and protect The possibility of warm layer, securely and reliably.And the fire-blocking belt component 1 of the utility model is simple in structure, and it is at low cost, it greatly reduces Project cost.

Claims

1. a kind of fire-blocking belt component of trapezoidal cross-section, which is characterized in that the generally ladder structure of right angle of vertical section, it is trapezoidal The top and bottom of structure are parallel, and upper end length is more than lower end length；Including the corner member at exterior wall right-angled corner is arranged (1B) and the overlap joint component (1A) being arranged between corner member (1B)；The vertical section of the corner member (1B) and overlap joint component (1A) It is right-angled trapezium；The overlap joint component (1A) mutually overlaps and overlaps the corner member (1B) at one face exterior wall both ends of connection；It is described It is 45 ° of corner cuts, two angle structures being connected at the exterior wall right-angled corner of two sides that corner member (1B), which is located at one end at exterior wall right-angled corner, Splice right angle in 90 ° between part (1B).

2. a kind of fire-blocking belt component of trapezoidal cross-section according to claim 1, which is characterized in that the corner member It is taking of avoiding flue gas from leading directly to upwards between (1B) and overlap joint component (1A), between overlap joint component (1A) and overlap joint component (1A) Binding structure.

3. a kind of fire-blocking belt component of trapezoidal cross-section according to claim 2, which is characterized in that the overlap joint component (1A) facade is right-angle Z-shaped, is overlapped using both sides recess between adjacent overlap joint component (1A)；The corner member (1B) and overlap joint Component (1A) connected end is equipped with and overlap joint component (1A) matched recess.

4. a kind of fire-blocking belt component of trapezoidal cross-section according to claim 2, which is characterized in that the overlap joint component It is equipped with protrusion among the one end (1A), is equipped with recess among the other end, and notch part is consistent with the shape of projection portion, it is adjacent Protrusion is connected with recess overlap joint between overlapping component (1A).

5. a kind of fire-blocking belt component of trapezoidal cross-section according to any one of claim 1-4, which is characterized in that The material of the corner member (1B) and overlap joint component (1A) is A grades of incombustible materials.

6. a kind of fire-blocking belt component of trapezoidal cross-section according to any one of claim 1-4, which is characterized in that Being additionally provided on the outside of the fire-blocking belt component of the trapezoidal cross-section prevents the protective layer (5) of steam intrusion fire-blocking belt component.