CN215483823U - Staircase fire wall - Google Patents

Abstract

The utility model discloses a staircase fireproof wall body which comprises a staircase wall body main body, wherein transverse steel keels and vertical steel keels which are transversely and longitudinally staggered are arranged in the staircase wall body main body, heat-insulating blocks are arranged in spaces formed between the transverse steel keels and the vertical steel keels, a first gypsum board surface layer and a second gypsum board surface layer are respectively arranged on two sides of each heat-insulating block, steel wire mesh layers are hung on the other sides of the first gypsum board surface layer and the second gypsum board surface layer, a first sprayed concrete surface layer and a second sprayed concrete surface layer are respectively sprayed on the other sides of the steel wire mesh layers, and plastering layers are respectively sprayed on the other sides of the first sprayed concrete surface layer and the second sprayed concrete surface layer. This staircase fire wall comprises steel joist, and the fossil fragments both sides set up the gypsum board surface course that is used for the fire prevention to handle, and the steel wire net layer is hung to the gypsum board surface course outside, can be used for spraying the concrete surface course, can improve wall body intensity when playing the fire prevention requirement, the utilization in easy space.

Description

Staircase fire wall

The technical field is as follows:

the utility model relates to the technical field of fireproof walls, in particular to a staircase fireproof wall.

Background art:

the stairwell is a space occupied by the stairwell and is divided into an open stairwell, a closed stairwell, a smoke-proof stairwell and the like. Widely appears in industrial and civil buildings, as a security channel in every market. The building is built according to the actual needs of life and serves as a junction for connecting up and down traffic. Most places needing stairs are provided with staircases, but few situations can not be built, such as outdoor steel frame stairs and the like.

The existing wall body of the staircase adopts a concrete wall body with the thickness of 100mm, has large weight, high strength and large rigidity, absorbs the earthquake action, but has no force transmission path and is contrary to the earthquake-proof concept; the wall body of the staircase adopts a building block wall body with the thickness of 100mm, so that the weight is large, the horizontal rib anchoring is poor, the seismic resistance requirement of a high-intensity area is difficult to meet, meanwhile, the stability is poor, the safety is poor, the construction quality is difficult to ensure, and the construction cost is high; the staircase wall body adopts traditional fossil fragments wall, and the intussuseption concrete, weight is big, and the earthquake action influence increases, all does not do benefit to the high strength use of staircase wall body, for CN206467818U discloses a heat preservation fire wall body, and what put forward sets up the flame retardant coating in wall body both sides and carries out fire prevention processing for the wall body, but the thickness of wall body increases, leads to the corresponding reduction of usable floor area, is unfavorable for the high-efficient utilization in space.

The utility model has the following contents:

the utility model aims to provide a staircase fireproof wall body, which aims to solve the problems that the weight of the wall body is heavy due to the fact that the staircase wall body is built in the background technology, and meanwhile, fireproof layers are arranged on two sides of the wall body to perform fireproof treatment on the wall body, so that the thickness of the wall body is increased, the using area is correspondingly reduced, and efficient utilization of space is not facilitated.

The utility model is implemented by the following technical scheme: the utility model provides a staircase fire wall, includes staircase wall body main part, be equipped with horizontal longitudinal cross's horizontal steel joist and vertical steel joist in the staircase wall body main part, and be equipped with the thermal-insulated piece that keeps warm in the space that constitutes between horizontal steel joist and the vertical steel joist, the thermal-insulated piece both sides that keep warm are equipped with first gypsum board surface course and second gypsum board surface course respectively, and the opposite side of first gypsum board surface course and second gypsum board surface course all hangs and is equipped with the steel wire stratum reticulare, the steel wire stratum reticulare opposite side has sprayed first shotcrete surface course and second shotcrete surface course respectively, and first shotcrete surface course and second shotcrete surface course opposite side all spray and have the plastering layer.

Preferably, the heat-insulating blocks are clamped in the space formed between the transverse steel keel and the vertical steel keel.

Preferably, all block on four angles of heat preservation insulating block has fixed hornblock, and the contact of laminating of heat preservation insulating block and first gypsum board surface course and second gypsum board surface course.

Preferably, the fixed angle block is provided with a right-angle bending fixed block, and two sides of the bending fixed block are provided with positioning blocks which are integrally bent and formed.

Preferably, through holes are uniformly formed in the bending fixing block, and the bending fixing block is in screw connection with the transverse steel keel and the vertical steel keel.

The utility model has the advantages that: this staircase fire wall comprises steel joist, and the fossil fragments both sides set up the gypsum board surface course that is used for the fire prevention to handle, and the steel wire net layer is hung to the gypsum board surface course outside, can be used for spraying the concrete surface course, can improve wall body intensity when playing the fire prevention requirement, and does not increase wall body thickness, the utilization in easy space. This staircase fire wall has set up the thermal-insulated piece that keeps warm in the space that horizontal steel joist and vertical steel joist constitute, can the thermal-insulated effect of effectual improvement wall body, has all set up fixed angle piece on four angles of thermal-insulated piece that keeps warm simultaneously, can make the thermal-insulated piece that keeps warm fix the processing through what fixed angle piece was relative steel joist was firm.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a fireproof wall structure of a staircase according to the present invention;

FIG. 2 is a schematic view of a connection structure of a heat insulation block, a transverse steel keel and a vertical steel keel of the fireproof wall body of the staircase;

FIG. 3 is a schematic perspective view of a fixing corner block of a fireproof wall of a staircase according to the present invention.

In the figure: 1. the stair wall body main part, 2, first shotcrete surface course, 3, first gypsum board surface course, 4, fixed angle piece, 5, heat preservation insulating blocks, 6, second shotcrete surface course, 7, second gypsum board surface course, 8, horizontal steel joist, 9, steel wire stratum reticulare, 10, plaster layer, 11, vertical steel joist, 12, locating piece, 13, the fixed block of bending.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fireproof wall body of a staircase room comprises a main body 1 of the staircase room wall body, a transverse steel keel 8 and a vertical steel keel 11 which are staggered transversely and longitudinally are arranged in the main body 1 of the staircase room wall body, a heat preservation and heat insulation block 5 is arranged in a space formed between the transverse steel keel 8 and the vertical steel keel 11, the heat preservation and heat insulation block 5 is clamped in a space formed between the transverse steel keel 8 and the vertical steel keel 11, the heat preservation and heat insulation block 5 of the structure is an existing heat preservation plate structure, the space between the transverse steel keel 8 and the vertical steel keel 11 can be filled through the heat preservation and heat insulation block 5, the space between the transverse steel keel 8 and the vertical steel keel 11 is utilized to ensure that the main body 1 of the staircase room wall body is subjected to heat preservation and heat insulation treatment, the heat preservation and heat insulation block 5 is clamped and fixed, the generation of gaps can be reduced, the heat preservation and heat insulation effect is improved, the main body 1 of the staircase room wall body is beneficial to use, two sides of the heat preservation and heat insulation block 5 are respectively provided with a first gypsum board surface layer 3 and a second surface layer 7, the fixed angle blocks 4 are clamped at four corners of the heat-insulating block 5, the heat-insulating block 5 is in contact with the first gypsum board surface layer 3 and the second gypsum board surface layer 7 in a laminating manner, the structure enables the heat-insulating block 5 to be filled between the first gypsum board surface layer 3 and the second gypsum board surface layer 7, the fixed angle blocks 4 can be used for clamping and fixing the heat-insulating block 5, the fixing angle blocks 4 are provided with bent fixed blocks 13 in right-angle shapes, two sides of each bent fixed block 13 are provided with positioning blocks 12 which are integrally formed, the structure enables the fixed angle blocks 4 to be clamped with the heat-insulating block 5 through the bent fixed blocks 13, the positioning blocks 12 can be used for positioning the heat-insulating block 5, the fixed angle blocks 4 are stable relative to the heat-insulating block 5, and the other sides of the first gypsum board surface layer 3 and the second gypsum board surface layer 7 are provided with steel wire mesh layers 9, the steel wire mesh layer 9 can carry out anti-cracking treatment on the joint of the first gypsum board surface layer 3 and the joint of the second gypsum board surface layer 7 to avoid cracking of the wall body, the other side of the steel wire mesh layer 9 is respectively sprayed with the first sprayed concrete surface layer 2 and the second sprayed concrete surface layer 6, the first sprayed concrete surface layer 2 and the second sprayed concrete surface layer 6 can effectively improve the strength of the main body 1 of the staircase wall body, the other sides of the first sprayed concrete surface layer 2 and the second sprayed concrete surface layer 6 are both sprayed with the plastering layer 10, the plastering layer 10 is an external decorative layer, generally wall paint, through holes are uniformly formed in the bending fixed block 13, the bending fixed block 13 is in screw connection with the transverse steel keel 8 and the vertical steel keel 11, the structure can ensure that the heat-insulating block 5 is fixed between the transverse steel keel 8 and the vertical steel keel 11 through the clamping of the fixed corner block 4, and the heat-insulating block 5 stabilizes the transverse steel keel 8 and the vertical steel keel 11 under the action of the bent fixing block 13.

The working principle is as follows: when the staircase fireproof wall body is used, firstly, when the main body 1 of the staircase wall body is constructed, a steel keel structure is built through the transverse steel keel 8 and the vertical steel keel 11, then the heat preservation and heat insulation block 5 is arranged according to the size and shape of the space between the transverse steel keel 8 and the vertical steel keel 11, the fixed corner block 4 is clamped on four corners of the heat preservation and heat insulation block 5 through the bending fixed block 13, then the positioning block 12 is bent, the positioning block 12 is attached to the heat preservation and heat insulation block 5, the heat preservation and heat insulation block 5 is fixed, then the heat preservation and heat insulation block 5 is clamped in the space between the transverse steel keel 8 and the vertical steel keel 11, the bending fixed block 13, the transverse steel keel 8 and the vertical steel keel 11 are fixed through screws, the heat preservation and heat insulation block 5 is fastened relative to the transverse steel keel 8 and the vertical steel keel 11, and the heat preservation and heat insulation block 5 plays a role in heat preservation, reduce the influence of each other of the both sides condition when staircase wall body 1 suffers the conflagration, after heat preservation insulating block 5 is fixed, fix first gypsum board surface course 3 and second gypsum board surface course 7 respectively in heat preservation insulating block 5 both sides, later all hang and establish steel wire netting 9 on first gypsum board surface course 3 and second gypsum board surface course 7, and spray first shotcrete surface course 2 and second shotcrete surface course 6 respectively on the steel wire netting 9 of staircase wall body 1 both sides, make staircase wall body 1 intensity improve, wait that first shotcrete surface course 2 and second shotcrete surface course 6 trowel dry out the back, at first shotcrete surface course 2 and the outside spraying plastering layer 10 of second shotcrete surface course 6, thereby accomplish a series of work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a staircase fire wall, includes staircase wall main part (1), its characterized in that: be equipped with horizontal longitudinal cross's horizontal steel joist (8) and vertical steel joist (11) in stairwell wall body main part (1), and be equipped with heat preservation insulating block (5) in the space that constitutes between horizontal steel joist (8) and vertical steel joist (11), heat preservation insulating block (5) both sides are equipped with first gypsum board surface course (3) and second gypsum board surface course (7) respectively, and the opposite side of first gypsum board surface course (3) and second gypsum board surface course (7) all hangs and is equipped with steel wire stratum reticulare (9), steel wire stratum reticulare (9) opposite side is sprayed respectively has first shotcrete surface course (2) and second shotcrete surface course (6), and first shotcrete surface course (2) and second shotcrete surface course (6) opposite side all is sprayed and is plastered layer (10).

2. A staircase fire wall according to claim 1, characterised in that: the heat-insulating blocks (5) are clamped in the space formed between the transverse steel keels (8) and the vertical steel keels (11).

3. A staircase fire wall according to claim 1, characterised in that: all block on heat preservation insulating block (5) four angles has fixed angle piece (4), and heat preservation insulating block (5) and first gypsum board surface course (3) and second gypsum board surface course (7) laminating contact.

4. A staircase fire wall according to claim 3, characterised in that: the fixed corner block (4) is provided with a right-angle bending fixed block (13), and two sides of the bending fixed block (13) are provided with positioning blocks (12) which are integrally bent and formed.

5. A staircase fire wall according to claim 4, characterised in that: through holes are uniformly formed in the bending fixing block (13), and the bending fixing block (13) is in screw connection with the transverse steel keel (8) and the vertical steel keel (11).

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