CN208251373U - Buckle-type is prefabricated from draining steel construction external wall system - Google Patents

Abstract

The utility model relates to steel construction exterior wall technical fields, and it is prefabricated from draining steel construction external wall system to disclose a kind of buckle-type.The utility model mutually fastens splicing by unit wall and forms, and each unit wall is fixed on the horizontal keel of foundation structure by pendant；The unit wall includes inner metal panel, heat preservation sandwich layer, cold plate and outside metal decking, and unit wall surrounding edge splices connection by the buckling parts of corresponding matching；Air hole is offered on the cold plate, forms condensation chamber between the metal decking of outside, heat preservation sandwich layer is filled between inner metal panel；The horizontal shutting seam crossing of the outside metal decking is provided with isobaric cavity.The utility model install convenient, can effectively reduce steam or wind drives the entrance of rainwater, and the moisture being automatically drained out inside, connection sealing can be excellent.

Description

Buckle-type is prefabricated from draining steel construction external wall system

Technical field

The utility model relates to steel construction exterior wall technical fields, prefabricated from draining steel construction more particularly to a kind of buckle-type External wall system.

Background technique

Assembled architecture is due to construction efficiency height, and workload is small, and work progress is environmentally protective, and occupation rate of market is increasingly It is high.Current widely used precast facade mostly uses concrete to be made greatly, complicated in the prefabrication process of factory, and thickness compared with Thickness, the application in the design increasingly modern architecture of diversification have become increasingly limited.

Steel construction external wall system gradually occupies a seat since thinner thickness, facing can be decorative strong in assembled architecture Ground.Steel construction external wall system is using metal decking as building enclosure, inside setting heat insulation sandwich structure.But if building room When interior humidity is larger, such as in food, tobacco, weaving, papermaking workshop, when production, can generate a large amount of steam, cause room Interior humidity sharply increases.For traditional steel construction external wall system, the work of moisture in air in air pressure and steam partial pressure It under, is diffused into inside sandwich of layers by the position of steel plate seam or defect, since the moisture of entrance is difficult to be discharged, is using one After fixing time, it will lead to the moisture condensation inside steel plate into moisture and accumulate inside interlayer, and then cause deformation, thermal insulation property The problems such as reduction, corrosion of steel structure.

The seam crossing of outside plate in steel construction external wall system, it is easy to leak, in practice usually using sealing Glue is closed, and the service life of sealing material is generally shorter, and maintenance cost is higher, and it is larger to replace difficulty.

Organic material is mostly used to carry out compound by metal covering and core material or use in existing steel construction external wall system greatly Foamed material is connected with metal covering, and extremely difficult when separating metal covering and core material, material, which can not effectively classify, to be recycled, Reuse ratio is lower, not only causes waste of material, but also material scraps processing, can generate a large amount of carbonization materials and has poison gas Body has aggravated the burden of environment.

Existing Prefabricated steel construction exterior wall is all to connect with built-in fitting, or be fixedly connected by connector with foundation structure, Complex procedures, heavy workload.

Utility model content

The utility model provides a kind of install convenient, can effectively reduce the entrance that steam or wind drive rainwater, be automatically drained out into Enter internal moisture, the buckle-type that connection sealing can be excellent is prefabricated from draining steel construction external wall system.

The technical issues of solution, is: existing steel construction exterior wall poor sealing performance, and the moisture in air is easy in inner clamps The problems such as central layer aggregation can not be discharged, and then initiation deformation, thermal insulation property reduce, corrosion of steel structure；And between outside plate Seam crossing leakproofness it is poor, sealing material replace difficulty it is big, it is at high cost；Material can not effectively classify recycling, not only cause material Material waste, and aggravated environmental pressure.

In order to solve the above technical problems, the utility model adopts the following technical solution:

The utility model buckle-type is prefabricated from draining steel construction external wall system, and splicing is mutually fastened by unit wall and is formed, Each unit wall is fixed on the horizontal keel of foundation structure by pendant；The unit wall include inner metal panel, Heat preservation sandwich layer, cold plate and outside metal decking, unit wall surrounding edge splice connection by the buckling parts of corresponding matching；Institute It states and offers air hole on cold plate, form condensation chamber between the metal decking of outside, be filled between inner metal panel Heat preservation sandwich layer；The horizontal shutting seam crossing of the outside metal decking is provided with isobaric cavity.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, unit wall surrounding The buckling parts on edge is bent by inner metal panel and outside metal decking, and horizontal closure is provided in horizontal shutting seam Item, horizontal sealing strip top are equipped with waterproof ventilated membrane.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, the outside metal decking Wall system internal direction extends to form the second arc section horizontally outward for lower edge, on the second arc section, along outside metal decking Length direction is arranged at intervals with drainage hole, and the second arc section edge extends to form A sections of the second sealing, the second sealing A straight up The edge of section tilts upward inwardly extends to form the second slot bottom, and the edge of the second slot bottom extends to form the second cell wall straight down； The upper edge of outside metal decking towards external wall system internal direction, tilt upward and extend to form slope section, slope section with it is adjacent There are air flue between second arc section of unit wall, the edge of slope section extends to form chamber wall, chamber wall top straight up End is tilted towards wall outside direction and extends to form water blocking bending, and water blocking bending, chamber wall and the second A sections of sealing are enclosed isobaric sky Chamber, isobaric cavity are connected to by air flue with ambient atmosphere；The curved edge of water blocking upwardly extends to form B sections of the second sealing, and second The edge of B sections of sealing is tilted upward towards external wall system internal direction extends to form the second convex top, the second convex top and the second slot bottom top Support contact, the edge on the second convex top extends to form the second convex wall straight down, is bonded and sets with the second cell wall of adjacent cells wall It sets.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, second slot bottom and level Angle between face is 3-5 °；The angle of slope section and horizontal plane is 30-50 °.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, the inner metal panel Wall system internal direction extends to form the first arc section horizontally outward for lower edge, and the edge of the first arc section extends shape straight up At the first A section of sealing, first seal A sections of edge towards inside external wall system, extend obliquely downward to form the first slot bottom, first The edge of slot bottom extends to form the first cell wall straight down；The upper edge of inner metal panel wall system internal direction horizontally outward Extend to form the first clamping section, contacted with the cooperation of the first arc section of adjacent cells wall, the edge of the first clamping section vertically to On extend to form B sections of the first sealing, be bonded setting with the first A section of sealing, first seals B sections of edge towards external wall system inside side The first convex top is formed to extending obliquely downward, the first convex top is shored with the first slot bottom to be contacted, and the edge on the first convex top is straight down The first convex wall is extended to form, is bonded setting with the first cell wall of adjacent cells wall.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, the inner metal panel A side forms third arc section along back bending, and continues to extend to form and seal A sections with the third of inner metal panel parallel, third A section edges of sealing vertically bends, extend to form the first end-blocking plate towards external wall system internal direction, the first end-blocking plate edge with outside Side metal decking is connected smoothly；The other side edge of inner metal panel vertically bends, towards external wall system internal direction The second clamping section is extended to form, the second clamping section is contacted with the cooperation of the third arc section of adjacent cells wall, the second clamping section Edge vertically bends, extends to form B sections of third sealing horizontally outward, and third seals B sections and the third of adjacent cells wall seals A Section fitting setting, the edge back bending that third seals B section form the convex top of third, and continue to extend to form parallel with B sections of sealing of third Third convex wall, the edge of third convex wall vertically bends, the second end-blocking plate is extended to form towards external wall system internal direction, second The edge of end-blocking plate is connected smoothly with outside metal decking.

The utility model buckle-type is prefabricated from draining steel construction external wall system, further, first end-blocking plate and the It is provided with vertical sealing strip between two end-blocking plates, is additionally provided with waterproof press strip on the outside of vertical sealing strip, is detachably secured to first Between end-blocking plate and the second end-blocking plate.

The utility model buckle-type is prefabricated from draining steel construction external wall system, and further, the pendant is arranged in inside The top of metal decking, is C-shaped, and connection waist panel is vertically arranged, is fixed by bolt and inner metal panel, the edge of upper leg plate The first hook joint section is extended to form straight down, and the edge of lower leg plate extends to form the second hook joint section, the width of upper leg plate straight down Degree is greater than lower leg plate and is arranged.

The utility model buckle-type is prefabricated from draining steel construction external wall system, and further, the horizontal keel is elongated to be set It sets, is C-shaped, connection waist panel is vertically arranged, is fixed by bolt and foundation structure, and the edge of upper leg plate is equipped with upward step Portion is fixed with the first hook joint section of pendant, and the upper leg plate of stage portion and pendant is fixed by screw；The side of leg plate under horizontal keel Along hook part is extended to form go back to straight up, cooperates with the second hook joint section of pendant and fix.

The utility model buckle-type is prefabricated from steel construction external wall system is drained compared with prior art, has following beneficial to effect Fruit:

The utility model buckle-type is prefabricated to fasten splicing composition using unit wall from draining steel construction external wall system, fastens Portion is bent to form by inner metal panel and outside metal decking, mutual cooperation snapping, is fastened position and is connected and fixed without other Mode, convenient and efficient of constructing, unit wallboard is convenient to assemble and disassemble, can reuse；Being provided at splicing seams has heat preservation effect The sealing strip of fruit is compacted after the splicing of scene, has not only acted as the effect of heat preservation, and avoids inside heat preservation sandwich layer due to pressure The continuous areola or gap that contracting or construction error generate.

The utility model is provided with inside external wall system and forms condensation chamber between cold plate, with outside metal decking, makes It obtains internal moisture and can pass through cold plate and be condensed in condensation chamber and collect, and pass through the drainage hole that bottom end is arranged and exterior wall system is discharged System, avoids condensed water from assembling within the walls for a long time, causes insulation failure, durability to reduce, improves the use of external wall system Quality and service life.

The outside metal decking of the utility model passes through in horizontal shutting seam crossing has been bent to form isobaric cavity, can be effective The influence that external wind drives rainwater is buffered, the moisture that air flowing carries is effectively reduced；The rainwater with kinetic energy is prevented to enter simultaneously Splicing seams block capillary water absorption phenomenon, remain and fasten without moisture inside seam, effectively obstruct outside moisture and pass through seam Into inside exterior wall.

The utility model is provided with sealant between the fastening splicing seams of unit wallboard, realizes the air-tightness at fastening And watertightness, it effectively prevents room air to flow in the fastening seam crossing of adjacent cells wall, effectively prevents in air Moisture enters inside wall.

Unit wall is hung on horizontal keel by the utility model using pendant, easy to operate efficient, is greatly reduced Difficulty of construction, improves construction efficiency, and pendant and horizontal keel pass through special designing in shape, it is ensured that the stabilization of mounting Property and fastness, be detachably connected, high recycling rate, scene turnover flexibility is high.

The all material that the utility model uses all is recoverable, and external wall system, can after reaching service life Easily to be removed, be classified and be recycled, environmental pressure is reduced, it is environmentally protective.

It is prefabricated to the buckle-type of the utility model with reference to the accompanying drawing to be described further from draining steel construction external wall system.

Detailed description of the invention

Fig. 1 is the longitudinal profile structure schematic of steel construction external wall system；

Fig. 2 is the detailed structure schematic diagram of the position A, that is, inner metal panel horizontal shutting seam crossing in Fig. 1；

Fig. 3 is the position the B i.e. detailed structure schematic diagram of the horizontal shutting seam crossing of outside metal decking in Fig. 1；

Fig. 4 is the schematic cross-section of pendant；

Fig. 5 is the schematic cross-section of horizontal keel；

Fig. 6 is the horizontal cross-section structure diagram of steel construction external wall system；

Fig. 7 is the detailed structure schematic diagram of the vertical fastening seam crossing of the position C, that is, inner metal panel in Fig. 6.

Appended drawing reference:

1- inner metal panel；The first arc section of 11-；12- first seals A sections；The first slot bottom of 13-；The first cell wall of 14-； 15- first is clamped section；16- first seals B sections；The convex top 17- first；The first convex wall of 18-；2- heat preservation sandwich layer；3- cold plate；31- Air hole；Metal decking on the outside of 4-；The second arc section of 41-；42- second seals A sections；The second slot bottom of 43-；The second cell wall of 44-； 451- slope section；452- chamber wall；The bending of 453- water blocking；46- second seals B sections；The convex top 47- second；The second convex wall of 48-；51- Third arc section；52- third seals A sections；The first end-blocking plate of 53-；54- second is clamped section；55- third seals B sections；56- third Convex top；57- third convex wall；The second end-blocking plate of 58-；61- drainage hole；62- air flue；63- equipressure cavity；71- waterproof ventilated membrane； The horizontal sealing strip of 72-；The vertical sealing strip of 73-；74- waterproof press strip；75- extends press strip；8- pendant；81- the first hook joint section；82- Second hook joint section；9- horizontal keel；91- stage portion；92- goes back to hook part.

Specific embodiment

It is mutually fastened from draining steel construction external wall system by unit wall as shown in Figure 1, the utility model buckle-type is prefabricated Splicing composition, each unit wall are fixed on the horizontal keel 9 of foundation structure by pendant 8.

Unit wall is followed successively by inner metal panel 1, heat preservation sandwich layer 2, cold plate 3 and outside metal decking 4 from the inside to the outside, It is fixedly connected between inner metal panel 1 and outside metal decking 4 by metal connecting piece, heat preservation sandwich layer 2 is that fiber-like is inorganic Thermal insulation material；Unit wall surrounding edge splices connection by the buckling parts of corresponding matching, and is blocked and sealed with thermal insulation material.

As shown in Fig. 2, wall system internal direction extends to form the first circular arc horizontally outward for the lower edge of inner metal panel 1 Section 11, the length of the first arc section 11 are not less than 5 times of 1 thickness of inner metal panel, the edge of the first arc section 11 vertically to On extend to form the first sealing A section 12, the first arc section 11 and inner metal panel 1 and the first sealing smooth transition of A section 12 company Connect, the length of the first sealing A section 12 is not less than 20mm, first seal the edge of A section 12 towards inside external wall system, diagonally downward Extend to form the first slot bottom 13, the angle between the first slot bottom 13 and horizontal plane is 3-5 °, the edge of the first slot bottom 13 vertically to Under extend to form the first cell wall 14,13 both ends of the first slot bottom are connected smoothly with the first seal section and the first cell wall 14, first The length of slot bottom 13 is not more than the 1/3 of unit thickness of wall body；

Wall system internal direction extends to form the first clamping section 15 horizontally outward for the upper edge of inner metal panel 1, with phase First arc section 11 of adjacent unit wall cooperates contact, and the edge of the first clamping section 15 extends to form the first sealing B straight up Section 16, setting is bonded with the first sealing A section 12, and the edge of the first sealing B section 16 is tilted towards downward towards external wall system internal direction It stretches to form the first convex top 17, the first convex top 17 is shored with the first slot bottom 13 and contacted, and first convex pushes up 17 far from outside metal decking 4 one Side, which is sunk, forms groove, is provided with sealant in groove, realizes air-tightness and watertightness at fastening, effectively prevent interior Air is flowed in the fastening seam crossing of adjacent cells wall, and the edge on the first convex top 17 extends to form the first convex wall straight down 18, setting is bonded with the first cell wall 14 of adjacent cells wall, the first convex wall 18 is connected smoothly with the first convex top 17.

As shown in figure 3, wall system internal direction extends to form the second circular arc horizontally outward for the lower edge of outside metal decking 4 Section 41, on the second arc section 41, along outside metal decking 4 length direction, be arranged at intervals with drainage hole 61, adjacent row water hole 61 The distance between be not more than 200mm, 41 edge of the second arc section extends to form the second sealing A section 42, the second circular arc straight up Section 41 is connected smoothly with outside metal decking 4 and the second sealing A section 42, and the length of the second sealing A section 42 is not less than 30mm, The edge of second sealing A section 42 tilts upward inwardly extends to form the second slot bottom 43, and the second slot bottom 43 is located at the first slot bottom 13 On same straight line, the edge of the second slot bottom 43 extends to form the second cell wall 44 straight down, 43 both ends of the second slot bottom and second close Envelope A section 42 and the second cell wall 44 are connected smoothly, and the length of the second slot bottom 43 is not more than the 1/3 of unit thickness of wall body；

The upper edge of outside metal decking 4 towards external wall system internal direction, tilt upward and extend to form slope section 451, The angle of slope section 451 and horizontal plane is 30-50 °, between slope section 451 and the second arc section 41 of adjacent cells wall there are The minimum widith of air flue 62, air flue 62 is not less than 8mm, and the edge of slope section 451 extends to form chamber wall 452, chamber straight up 452 top of wall is tilted towards wall outside direction and extends to form water blocking bending 453, chamber wall 452 and slope section 451 and water blocking bending 453 are connected smoothly, and water blocking bending 453, chamber wall 452 and the second sealing A section 42 are enclosed isobaric cavity 63, isobaric empty Chamber 63 is connected to by air flue 62 with ambient atmosphere；Isobaric cavity 63 can effectively buffer the influence that external wind drives rainwater, isobaric empty Under the effect of 63 inner air of chamber, the air of extraneous flowing is static in isobaric cavity 63 or stops flowing, and wind is driven rain therewith The wind speed of water is reduced to stationary state, and moisture is no longer flowed with air, effectively reduces the moisture that air flowing carries；In addition, working as When wind drives rainwater with kinetic energy, the water blocking bending 453 that outside metal decking 4 is formed can prevent the rainwater with kinetic energy, by it It is blocked in except the seam of adjacent cells wall fastening；Meanwhile isobaric cavity 63 can effectively block capillary water absorption phenomenon, always It keeps fastening and there is no moisture inside seam；Effectively barrier outside moisture is entered inside exterior wall by seam；The side of water blocking bending 453 Along upwardly extending to form the second sealing B section 46, the edge of the second sealing B section 46 tilts upward extension towards external wall system internal direction The second convex top 47 is formed, the second convex top 47 is shored with the second slot bottom 43 to be contacted, and the second 47 outer sides of convex top, which are sunk, forms groove, It is provided with sealant in groove, realizes air-tightness and watertightness at fastening, effectively prevents outdoor air in adjacent cells The fastening seam crossing of wall flows, and the edge on the second convex top 47 extends to form the second convex wall 48 straight down, with adjacent cells wall Second cell wall 44 of body is bonded setting, and the second convex wall 48 is connected smoothly with the second convex top 47.

Horizontal sealing strip 72 is provided between first cell wall 14 and the second cell wall 44, horizontal sealing strip 72 is flexible Thermal insulation material, the upper surface of horizontal sealing strip 72 and the first slot bottom 13 and the second slot bottom 43 are in the same plane, and level blocks Waterproof ventilated membrane 71 is equipped with above item 72, waterproof ventilated membrane 71 has inclination identical with the first slot bottom 13 and the second slot bottom 43 3-5 ° of the gradient, the partial condensation water in heat preservation sandwich layer 2 is gathered in unit wall bottom under the effect of gravity, can be in waterproof ventilated membrane It glides on 71 and is gathered in lower section and external wall system is discharged by the drainage hole 61 on outside metal decking 4, liquid water droplets is avoided to exist Aggregation inside external wall system.

Cold plate 3 forms condensation chamber between plastics corrugated sheet, with outside metal decking 4, and the width of condensation chamber is not less than 10mm, air hole 31 is offered on cold plate 3, and the uniform intervals on cold plate 3 of air hole 31 are arranged；Cold plate 3 and inside gold Belong to and be filled with heat preservation sandwich layer 2 between panel 1, heat preservation sandwich layer 2 is specifically as follows fire prevention rock wool；Into the moisture inside external wall system Enter condensation chamber by the air hole 31 on cold plate 3, after condensation convergence, under gravity, water droplet falls by outside gold External wall system is discharged in the drainage hole 61 belonged on panel 4, and water droplet is avoided to assemble inside external wall system.

As shown in Figure 6 and Figure 7, a side of inner metal panel 1 forms third arc section 51 along back bending, and continues to extend It forms the third parallel with inner metal panel 1 and seals A section 52, third arc section 51 and third sealing A section 52 and inner metal Panel 1 is connected smoothly, third seal A section 52 length be not less than 30mm, third seal 52 edge of A section vertically bend, court The first end-blocking plate 53 is extended to form to external wall system internal direction, 53 edge of the first end-blocking plate and outside metal decking 4 are smoothed Cross connection；

The other side edge of inner metal panel 1 vertically bends, extends to form the second card towards external wall system internal direction Section 54 is connect, the second clamping section 54 is contacted with the cooperation of the third arc section 51 of adjacent cells wall, and the edge of the second clamping section 54 hangs down Straight bending extends to form third sealing B section 55 horizontally outward, and third seals B section 55 and the third of adjacent cells wall seals A sections 52 fitting settings, the edge back bending that third seals B section 55 forms the convex top 56 of third, and continues to extend to form and seal B sections with third 55 parallel third convex walls 57, the convex top 56 of third is wave-shaped, and the convex top 56 of third seals B section 55 with third and third convex wall 57 is flat It slips over and crosses connection；It is provided with sealant between the convex top 56 of third and the first end-blocking plate 53 of adjacent cells wall, realizes fastening The air-tightness and watertightness at place effectively prevent room air to flow in the fastening seam crossing of adjacent cells wall；Third convex wall 57 edge vertically bends, extends to form the second end-blocking plate 58, the edge of the second end-blocking plate 58 towards external wall system internal direction It is connected smoothly with outside metal decking 4.

Vertical sealing strip 73 is filled between first end-blocking plate 53 and the second end-blocking plate 58, vertical sealing strip 73 is with bullet Property thermal insulation material, waterproof press strip 74 is provided on the outside of vertical sealing strip 73, waterproof press strip 74 is EDPM waterproof press strip 74, is passed through Frictional force is detachably secured between the first end-blocking plate 53 and the second end-blocking plate 58, can be replaced and be removed at any time.

As shown in figure 4, the top of inside metal decking 1 is arranged in pendant 8, it is fixed by bolt and inner metal panel 1, The extension press strip 75 fixed with bolt is correspondingly arranged on the inside of inner metal panel 1, extension press strip 75 is the angle steel of elongated setting；

Pendant 8 can be also possible to the component with certain length for elongated setting, along unit wall length direction, Uniform intervals setting；Pendant 8 is the bar steel that waist thickness is not less than 5mm, and section is C-shaped, and connection waist panel is vertically arranged, and passes through bolt Fixed with inner metal panel 1, the edge of upper leg plate extends to form the first hook joint section 81 straight down, and the edge of lower leg plate is vertical It is downwardly extending the second hook joint section 82, the width of upper leg plate is arranged greater than lower leg plate, and the width of lower leg plate is upper leg board width 1/3-1/2.

As shown in figure 5, the elongated setting of horizontal keel 9, is fixed by bolt and foundation structure, it is waist thickness not less than 7mm's Bar steel, section are C-shaped, and connection waist panel is vertically arranged, and are fixed by bolt and foundation structure, and the edge of upper leg plate is equipped with upward Stage portion 91 is fixed with the first hook joint section 81 of pendant 8, and stage portion 91 and the upper leg plate of pendant 8 are fixed by screw, pendant 8 It can be adjusted in the horizontal direction on horizontal keel 9；The edge of the lower leg plate of horizontal keel 9 extends to form go back to hook part straight up 92, cooperate with the second hook joint section 82 of pendant 8 and fixes.

The utility model buckle-type is prefabricated from the construction method for draining steel construction external wall system, specifically includes the following steps:

Step 1: prefabrication: according to detail design demand, the unit wall that is prefabricated in the factory, pendant 8 and horizontal keel 9, The inner metal panel 1, outside metal decking 4 and cold plate 3 for cutting out suitable dimension dress up it with 2 machinery of heat preservation sandwich layer in advance Type；It is transported to construction site；

Step 2: installation horizontal keel 9: by accurate measurement and positioning, determining the installation site of horizontal keel 9, adjust The flatness of whole horizontal keel 9 is fixed it with foundation structure by bolt；

Step 3: setting pendant 8: placing extension press strip 75 in unit wall upper inner, and consolidated pendant 8 using bolt It is scheduled on inner metal panel 1 and extension press strip 75；

Step 4: hanging unit wall: the pendant 8 of unit wall being hung on horizontal keel 9, bolt is used after fine tuning Pendant 8 and horizontal keel 9 is fixed；

Step 5: the unit wall that splicing is adjacent: according to sequence from bottom to top, sequentially snapping unit wall, adjustment are smooth It is articulated in after degree on horizontal keel 9；Opening in unit wall lower edge clogs horizontal sealing strip 72, the list adjacent with lower section First wall, which fastens, to be compressed, and is infused sealant in advance between buckling parts and be sealed；Sealing end peripheral hardware on unit wall a side edge Vertical sealing strip 73 is set, fastens and compresses with horizontally adjacent unit wall, and infuse sealant in advance between buckling parts and be sealed；

Step 6: setting waterproof press strip 74: after the completion of unit wall all fastens assembly, being arranged between vertical abutment joint Waterproof press strip 74 completes construction.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims (9)

1. buckle-type is prefabricated from draining steel construction external wall system, it is characterised in that: mutually fasten splicing by unit wall and form, often A unit wall is fixed on the horizontal keel (9) of foundation structure by pendant (8)；The unit wall includes inner metal face Plate (1), heat preservation sandwich layer (2), cold plate (3) and outside metal decking (4), the button that unit wall surrounding edge passes through corresponding matching The splicing connection of conjunction portion；Air hole (31) are offered on the cold plate (3), form condensation chamber between outside metal decking (4), Heat preservation sandwich layer (2) are filled between inner metal panel (1)；The horizontal shutting seam crossing of the outside metal decking (4) is set It is equipped with isobaric cavity (63).

2. buckle-type according to claim 1 is prefabricated from draining steel construction external wall system, it is characterised in that: the unit wall The buckling parts of body surrounding edge is bent by inner metal panel (1) and outside metal decking (4), is set in horizontal shutting seam It is equipped with horizontal sealing strip (72), is equipped with waterproof ventilated membrane (71) above horizontal sealing strip (72).

3. buckle-type according to claim 1 is prefabricated from draining steel construction external wall system, it is characterised in that: the outside gold Wall system internal direction extends to form the second arc section (41) horizontally outward for the lower edge of category panel (4), the second arc section (41) It is upper, along outside metal decking (4) length direction, be arranged at intervals with drainage hole (61), the second arc section (41) edge vertically to On extend to form A sections of the second sealing (42), the edge of the second sealing A sections (42) tilts upward inwardly extends to form the second slot bottom (43), the edge of the second slot bottom (43) extends to form the second cell wall (44) straight down；The upper edge court of outside metal decking (4) To external wall system internal direction, tilts upward and extend to form slope section (451), the of slope section (451) and adjacent cells wall There are air flue (62) between two arc sections (41), the edge of slope section (451) extends to form chamber wall (452), chamber straight up Wall (452) top be tilted towards wall outside direction extend to form water blocking bending (453), water blocking be bent (453), chamber wall (452) with Second A sections of sealing (42) is enclosed isobaric cavity (63), and isobaric cavity (63) is connected to by air flue (62) with ambient atmosphere；Gear The edge of water bending (453) upwardly extends to form B section of the second sealing (46), and second seals the edge of B sections (46) towards external wall system Internal direction, which tilts upward, extends to form the second convex top (47), and the second convex top (47) is shored with the second slot bottom (43) to be contacted, and second The edge of convex top (47) extends to form the second convex wall (48) straight down, is bonded and sets with the second cell wall (44) of adjacent cells wall It sets.

4. buckle-type according to claim 3 is prefabricated from draining steel construction external wall system, it is characterised in that: second slot Angle between bottom (43) and horizontal plane is 3-5 °；The angle of slope section (451) and horizontal plane is 30-50 °.

5. buckle-type according to claim 1 is prefabricated from draining steel construction external wall system, it is characterised in that: the inside gold Wall system internal direction extends to form the first arc section (11) horizontally outward for the lower edge of category panel (1), the first arc section (11) Edge extend to form A sections of the first sealing (12) straight up, the edge of the first sealing A sections (12) towards inside external wall system, It extends obliquely downward to be formed the first slot bottom (13), the edge of the first slot bottom (13) extends to form the first cell wall (14) straight down； Wall system internal direction extends to form the first clamping section (15) horizontally outward for the upper edge of inner metal panel (1), with adjacent list The first arc section (11) of first wall cooperates contact, and the edge of the first clamping section (15) extends to form the first sealing B straight up Section (16), setting is bonded with the first sealing A sections (12), and the edge of the first sealing B sections (16) is tilted towards external wall system internal direction It is downwardly extending the first convex top (17), the first convex top (17) is shored with the first slot bottom (13) to be contacted, the side of the first convex top (17) Along the first convex wall (18) are extended to form straight down, setting is bonded with the first cell wall (14) of adjacent cells wall.

6. buckle-type according to claim 1 is prefabricated from draining steel construction external wall system, it is characterised in that: the inside gold The a side for belonging to panel (1) forms third arc section (51) along back bending, and continues to extend to form parallel with inner metal panel (1) Third seal A section (52), A sections of (52) edges of third sealing vertically bend, extend to form the towards external wall system internal direction One end-blocking plate (53), the first end-blocking plate (53) edge are connected smoothly with outside metal decking (4)；Inner metal panel (1) Other side edge vertically bend, extend to form the second clamping section (54) towards external wall system internal direction, the second clamping section (54) it is contacted with the cooperation of the third arc section (51) of adjacent cells wall, the edge of the second clamping section (54) vertically bends, is horizontal It extends outward to form third and seals B sections (55), third seals B sections (55) and the third of adjacent cells wall seals A sections (52) patches Setting is closed, the edge back bending that third seals B sections (55) forms the convex top (56) of third, and continues to extend to form and seal B sections with third (55) parallel third convex wall (57), the edge of third convex wall (57) vertically bend, extend shape towards external wall system internal direction At the second end-blocking plate (58), edge and the outside metal decking (4) of the second end-blocking plate (58) are connected smoothly.

7. buckle-type according to claim 6 is prefabricated from draining steel construction external wall system, it is characterised in that: first envelope It is provided with vertical sealing strip (73), is additionally provided on the outside of vertical sealing strip (73) anti-between end plate (53) and the second end-blocking plate (58) Hydraulic pressure item (74) is detachably secured between the first end-blocking plate (53) and the second end-blocking plate (58).

8. buckle-type according to claim 1 is prefabricated from draining steel construction external wall system, it is characterised in that: the pendant (8) setting is C-shaped on the top of inside metal decking (1), and connection waist panel is vertically arranged, and passes through bolt and inner metal panel (1) fixed, the edge of upper leg plate extends to form the first hook joint section (81) straight down, and the edge of lower leg plate extends shape straight down At the second hook joint section (82), the width of upper leg plate is arranged greater than lower leg plate.

9. buckle-type according to claim 7 is prefabricated from draining steel construction external wall system, it is characterised in that: the horizontal dragon Bone (9) elongated setting, is C-shaped, and connection waist panel is vertically arranged, is fixed by bolt and foundation structure, the edge of upper leg plate is equipped with Upward stage portion (91) is fixed with the first hook joint section (81) of pendant (8), and the upper leg plate of stage portion (91) and pendant (8) is logical Screw is crossed to fix；The edge of leg plate extends to form go back to hook part (92) straight up under horizontal keel (9), second with pendant (8) Hook joint section (82) cooperation fixes.