CN215406728U

CN215406728U - Wall system with cast-in-place concrete composite insulation board arranged in large mould

Info

Publication number: CN215406728U
Application number: CN202121810747.5U
Authority: CN
Inventors: 王会杰
Original assignee: Hebei Jiupeng New Building Materials Co ltd
Current assignee: Hebei Jiupeng New Building Materials Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-04
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a wall system with a cast-in-place concrete composite insulation board arranged in a large mould, which is sequentially provided with a structural layer, an insulation layer and a protective layer from inside to outside, wherein a steel wire mesh is arranged in the protective layer, and the layers are connected through a tie component. The drawknot component comprises a pull rod, a locking piece and a heat insulation sleeve positioning sheet. The pull rod is a metal piece, plays a role in high-strength connection, and the rest of the pull rod is made of plastic materials, plays a role in positioning and reduces the conduction of a heat bridge. When the installation, the last fender arm slope of earlier the locking plate stretches into the inboard of a wire mesh net hole, lifts the locking plate, can make down keep off the arm and cross the wire mesh and lie in the inboard of wire mesh equally, pushes down the locking plate again, realizes the fixed of latch fitting and wire mesh. The fixing mode is simple to operate, the construction efficiency is improved, relative positions of all parts are stable, the connection strength between all layers of the wall body is improved, and the problems that cracking occurs between layered structures and the like are solved.

Description

Wall system with cast-in-place concrete composite insulation board arranged in large mould

Technical Field

The utility model relates to the field of buildings, in particular to a wall system with a cast-in-place concrete composite insulation board arranged in a large mould.

Background

With the continuous improvement of the national requirements for energy conservation and consumption reduction, the research on an external wall insulation system which can meet the requirements for energy conservation of buildings, simultaneously achieve the same service life of the building insulation and the structure, and is safe and reliable is prominent as an important component of the building energy conservation.

The method is characterized in that an insulation board bonding anchor method is adopted for current building insulation after the completion of a building outer wall main body, or insulation boards are placed among steel reinforcement frameworks, then templates are erected, concrete with different thicknesses is poured on two sides of each insulation board simultaneously, and a composite wall body integrating structural stress and outer wall energy saving is formed (also called large-formwork built-in). The construction process of the bonding anchor method is multiple, the construction period is long, and the problems of high requirements on construction safety and the like are gradually limited in use due to direct exposure in the construction process of the heat insulation material. The heat preservation form of the large mould belongs to the integration of a heat preservation structure, is connected with the main body well, has the characteristics of simple construction and the like, and is gradually popularized and adopted.

When the insulation module is spliced into the insulation board through the mutual stagger joint of building blocks in the outer side of the stressed steel bar of the wall body in the insulation mode built in the large mould, the position of the insulation board needs to be fixed by using the tie piece, and meanwhile, the steel wire welding net needs to be fixed at the outer end of the tie piece, so that the positioning and fixing of each structural piece are realized.

The utility model discloses a coupling assembling for concrete heat preservation composite wall is disclosed in chinese utility model patent ZL201820713081.3, the outer end of its drift bolt is through setting up the grafting position and insert to connect to collude and draw the piece to realize being connected of drift bolt and metal mesh, but this connected mode can only carry out one-way spacing to the drift bolt, axial drunkenness can take place, need inside taut drift when pre-installation locating part, with the pretightning force that has between assurance drift bolt and metal mesh, with the stability of guaranteeing the metal mesh, complex operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a wall body system with a cast-in-place concrete composite insulation board arranged in a large mould, which is convenient to construct.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

put cast in situ concrete composite insulation board's wall system in big mould, include structural layer, heat preservation and inoxidizing coating from interior to exterior that set gradually, structural layer and inoxidizing coating form by concrete placement, embed in the structural layer and have steel bar structure, embed in the inoxidizing coating and have the wire net, still connect its characterized in that through the drawknot subassembly between structural layer, heat preservation and the protective layer, the drawknot subassembly includes:

one end of the pull rod is positioned in the structural layer, the other end of the pull rod is positioned in the protective layer, and the pull rod is provided with an end rod which is at a right angle with the pull rod;

the latch fitting, make by the plastics material, the latch fitting has the locking plate of laminating mutually with the wire net piece outside, has the perforation that supplies the pull rod to pass in the middle part of locking plate, has the fender ring around perforation setting on the outside terminal surface of locking plate, keep off the breach that has on the ring and supply the end bar to stretch out, it has the fender arm to locate downwardly extending in breach, can hold the end bar between fender arm and the locking plate, have the turn-ups of turning over to the enstrophe in the both sides of locking plate, the turn-ups upwards extends has last fender arm, goes up and is formed with the last draw-in groove that is used for joint wire net piece on the wire net piece between fender arm and the locking plate, turn-ups downwardly extending has lower fender arm, keeps off down to be formed with the lower draw-in groove that is used for joint wire net piece on the arm between arm and the locking plate, the tank bottom of going up the draw-in groove is less than the height on the wire net piece down fender arm bottom, has the mesh that thickness upwards increases in the lower part of locking plate medial surface, The distance between the top surface of the first clamping block and the bottom of the lower clamping groove is matched with the diameter of a steel wire on the steel wire mesh;

the heat insulation sleeve is made of plastic materials and sleeved on the pull rod, one end of the heat insulation sleeve is positioned in the protective layer and fixed with the locking piece, and the other end of the heat insulation sleeve extends into the structural layer;

the positioning assembly piece is made of plastic materials and comprises an inner positioning piece and an outer positioning piece which are sleeved on the heat insulation sleeve and respectively attached to the inner side and the outer side of the heat insulation layer, and the inner movement of the inner positioning piece and the outer movement of the outer positioning piece are both limited.

The further technical scheme is that a wedge-shaped fixture block II with the thickness increasing inwards is arranged on the inner side wall of the blocking arm and used for limiting the end rod to swing.

The further technical scheme is that the pull rod is provided with an external thread.

The further technical scheme is that a plastic cap is fixed at one end of the pull rod positioned in the structural layer.

The further technical proposal is that the positioning component is provided with a grouting hole.

A further technical scheme lies in that an interval is arranged between the locking plate and the heat insulation sleeve, the locking plate and the heat insulation sleeve are fixed through at least two connecting arms which are circumferentially and uniformly distributed, and the width of each connecting arm is arranged along the radial direction.

Further technical scheme lies in, the outer spacer is spacing by the linking arm, the barb that has axial arrangement on heat insulation sleeve's the outer wall, the barb can make interior spacer move from inside to outside and restrict interior spacer and inwards move.

The technical scheme is that the outer wall of the heat insulation sleeve is provided with at least two positioning strips in the axial direction, and an arc-shaped positioning block is arranged between the two positioning strips on the inner side of the inner positioning piece.

The further technical scheme is that the bottom of the lower clamping groove and/or the bottom of the lower clamping groove are arc-shaped bottom surfaces.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

this wall body system passes through the unique structure setting of locking plate, when the installation, the last arm slope of keeping off of earlier locking plate stretches into the inboard of a wire mesh net hole, make the upper steel wire card of this mesh go into in the draw-in groove, because the tank bottom of going up the draw-in groove is less than the height of mesh net hole on the wire mesh net apart from the distance of keeping off the arm bottom down, lift the locking plate, can make down the arm of keeping off cross the inboard that the wire mesh is located the wire mesh equally, push down the locking plate again, make two upper and lower steel wires that constitute this mesh be located draw-in groove and draw-in groove down respectively, thereby make the big terminal surface of locking plate and keep off the arm branch and arrange the inside and outside both sides of wire mesh in, realize spacing to the tie subassembly biaxial.

In addition, when the locking piece is pressed down, the lower layer steel wire can extrude the wedge-shaped first clamping block until the locking piece moves down to the right position, and the distance between the top surface of the first clamping block and the bottom of the lower clamping groove is matched with the diameter of the steel wire on the steel wire mesh, so that the upper limit and the lower limit of the tie component are limited.

The pull rod end has rather than being the right angled end bar, and the end bar is by two restrictions of fender arm and fixture block to restricted the rotation of pull rod, when having avoided from top to bottom grout, the pull rod receives the effect of thick liquid to produce displacement such as rotation, has guaranteed the stability that pull rod and latch fitting are connected.

The inner positioning piece and the outer positioning piece in the positioning assembly piece are both limited to move inwards and outwards, so that the positioning assembly piece clamps the heat-insulating layer after assembly, and the drawknot assembly is stably connected with the heat-insulating layer.

The fixing mode is simple to operate, the construction efficiency is improved, relative positions of all parts are stable, the connection strength between all layers of the wall body is improved, and the problems that cracking occurs between layered structures and the like are solved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a wall system of the present disclosure;

FIG. 2 is a schematic structural view of a tie component of the wall system of the present disclosure;

FIG. 3 is a front view structural schematic of a drawknot assembly of the disclosed wall system;

fig. 4 is a schematic view of the structure of the locking element and the insulating sleeve portion of the drawknot assembly.

Detailed Description

The technical solutions in the embodiments of the present invention are 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 some, not all, embodiments of the present invention. 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.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1, the wall system of the large-mold built-in cast-in-place concrete composite insulation board of the present disclosure uses "inside" and "outside" in the description of the wall system, and the directions of the inside and the outside of the house are the same. This wall body system includes structural layer 1, heat preservation 2 and the inoxidizing coating 3 that from interior to exterior set gradually, structural layer 1 and inoxidizing coating 3 form by concrete placement, have built-in steel bar structure in structural layer 1, have built-in wire net 4 in inoxidizing coating 3, and wire net 4 adopts steel wire welded mesh piece, and the steel wire diameter should not be less than 3mm, and the interval should not be greater than 50mm, and the thickness of inoxidizing coating 3 should not be less than 50mm, should not be greater than 70mm, and should not be greater than the structure bed thickness 1/2. The structural layer 1, the heat preservation layer 2 and the protective layer 3 are further connected through a tie component 100, one end of the tie component 100 is locked with the steel wire mesh 4, and the other end of the tie component 100 is located in the structural layer 1 and is bound or welded and fixed with the steel bar structure.

As shown in fig. 1-4, a tie assembly 100 of the present disclosure includes a tie bar 110, a lock 120, an insulating sleeve 130, and a positioning assembly. The pull rod 110 is a metal part and mainly plays a role in high-strength connection, and the other locking pieces 120, the heat insulation sleeve 130 and the positioning set pieces are made of plastic materials and mainly play a role in positioning and reduce the conduction of a heat bridge.

One end of the pull rod 110 is positioned in the structural layer 1 and is detachably fixed with a plastic cap 160, and the other end is positioned in the protective layer 3 and is provided with an end rod which is at a right angle with the end rod, so that an L-shaped rod is formed. The plastic cap 160 also reduces the heat bridge transfer and improves the thermal insulation performance of the wall. A visor may be provided on the plastic cap 160 to enhance the bonding strength between both ends of the tie member and the concrete.

Locking piece 120 and the locking of wire mesh 4, it has the locking plate 121 of laminating mutually in the outside with wire mesh 4, has the perforation that supplies pull rod 110 to pass in the middle part of locking plate 121, has the fender ring 122 around perforation setting on the outside terminal surface of locking plate 121, keep off the breach that has the confession end rod to stretch out on the ring 122, it has the fender arm to locate downwardly extending in the breach, keep off and can hold the end rod between arm and the locking plate 121, pull rod 110 passes and passes, and rotatory messenger's end rod is arranged in and is kept off between arm and locking plate 121 again, can not produce rotatoryly between pull rod 110 and locking piece 120, when having avoided from top to bottom grouting, pull rod 110 receives the effect of thick liquid to produce displacement such as rotation, has guaranteed the stability that pull rod 110 and locking piece 120 are connected. The inner side wall of the blocking arm is provided with a second wedge-shaped fixture block 1221 with the thickness increasing inwards, the end rod of the pull rod 110 can extrude the second fixture block 1221 along the wedge-shaped surface when entering, and after the end rod rotates to the position, the second fixture block 1221 can limit the end rod to move out, so that the axial and rotary movement of the pull rod 110 is limited, and the connection strength of the pull rod 110 between the locking pieces 120 is further improved.

The heat insulation sleeve 130 is sleeved on the pull rod 110, one end of the heat insulation sleeve 130 is positioned in the protective layer 3 and fixed with the locking piece 120, and the other end of the heat insulation sleeve 130 extends into the structural layer 1, so that the pull rod 110 is prevented from being in direct contact with the heat insulation layer 2, the heat loss can be reduced, and the heat insulation performance can be improved.

The positioning set piece comprises an inner positioning piece 140 and an outer positioning piece 150 which are sleeved on the heat insulation sleeve 130 and respectively attached to the inner side and the outer side of the heat insulation layer 2, the inner positioning piece 140 and the outer positioning piece 150 are limited to realize the positioning of the heat insulation layer 2, and the positioning set piece clamps the heat insulation layer 2 to ensure that the drawknot component 100 is stably connected with the heat insulation layer 2.

Have the turn-ups 123 that turns over the book inwards in the both sides of locking plate 121, turn-ups 123 upwards extends and has last fender arm 124, goes up and is formed with the last draw-in groove that is used for joint steel wire mesh 4 to go up between fender arm 124 and locking plate 121, turn-ups 123 downwardly extending has lower fender arm 125, keeps off and is formed with the lower draw-in groove that is used for joint steel wire mesh 4 to go up the steel wire between arm 125 and locking plate 121 down, the tank bottom of going up the draw-in groove is less than the height of mesh on the steel wire mesh 4 apart from the distance of keeping off arm 125 bottom down. The bottom of the lower clamping groove and/or the bottom of the lower clamping groove are arc-shaped bottom surfaces and are in arc-shaped surface contact with the steel wire, so that shearing force generated between the plane and the steel bar is avoided, and the steel wire is prevented from being damaged.

During the installation, this wall body system passes through the unique structure setting of locking plate 121, when the installation, earlier stretch into the inboard of 4 meshs of steel mesh with last fender arm 124 slope of locking plate 121, make the upper steel wire card of this meshs go into in the draw-in groove, because the tank bottom of last draw-in groove is less than the height of meshs on the steel mesh 4 apart from the distance of keeping off arm 125 bottom down, lift locking plate 121, can make down fender arm 125 cross the inboard that steel mesh 4 is located steel mesh 4 equally, press locking plate 121 down again, make two upper and lower steel wires that constitute this meshs be located draw-in groove and draw-in groove down respectively, thereby make the big terminal surface of locking plate 121 and keep off the arm branch and arrange the inside and outside both sides of steel mesh 4 in, realize the spacing of 100 biaxial of drawknot components.

In addition, the lower part of the end surface of the outer side of the locking plate 121 is provided with a wedge-shaped first clamping block 126 with the thickness increasing upwards, and the distance between the top surface of the first clamping block 126 and the bottom of the lower clamping groove is matched with the diameter of the steel wire on the steel wire mesh 4. When the locking piece 121 is pressed down, the wedge-shaped fixture block 126 can be extruded by the lower layer steel wire until the locking piece 121 moves down to the right position, and the distance between the top surface of the fixture block 126 and the bottom of the lower clamping groove is matched with the diameter of the steel wire on the steel wire mesh 4, so that the upper limit and the lower limit of the tie-up component 100 are limited.

The locking plate 121 and/or the positioning component are/is provided with grouting holes, grout injected into the protective layer 3 and the structural layer 1 can be adhered to the locking plate 121, the outer positioning plate 150 and the inner positioning plate 140 through the grouting holes, the pull rod 110 is provided with external threads, and the adhesive strength of the pull rod 110 in the structural layer 1 is enhanced by the external threads.

The distance between the locking plate 121 and the heat insulation sleeve 130 is set to make the slurry combine with the pull rod 110 during grouting of the protective layer 3, thereby increasing the connection strength. The locking plates 121 and the heat insulation sleeve 130 are fixed through at least two connecting arms 170 which are circumferentially and uniformly distributed, and the width of each connecting arm 170 is arranged along the radial direction, so that the bonding strength between each connecting arm 170 and the slurry is further increased. Thereby effectively increasing the connection strength between the junctional component and each layer.

The outer positioning sheets 150 are limited by the connecting arms 170, so that the positions of the outer positioning sheets 150 on the tie assemblies 100 are fixed, the distances between the plurality of heat preservation modules and the steel wire meshes 4 can be kept consistent, and the assembled heat preservation layers 2 are arranged neatly. The barbs 131 which are axially arranged are arranged on the outer wall of the heat insulation sleeve 130, the barbs 131 are annular conical surfaces, small ends face inwards, the barbs 131 can enable the inner positioning pieces 140 to move from inside to outside, are sleeved on the heat insulation sleeve 130 and are attached to the inner end face of the heat insulation layer 2, and can limit the outer positioning pieces 150 to move outwards, so that the position is stable, and pretightening force is provided.

At least two positioning strips 132 are axially arranged on the outer wall of the heat insulation sleeve 130, and an arc-shaped positioning block 141 is arranged between the two positioning strips 132 on the inner side of the inner positioning sheet 140. Through the cooperation of the positioning bar 132 and the positioning block 141, the rotation of the inner positioning plate 140 can be limited, and the stability of the positioning plate assembly is increased.

The above is only a preferred embodiment of the utility model, and any simple modifications, variations and equivalents of the utility model may be made by anyone in light of the above teachings and fall within the scope of the utility model.

Claims

1. Put cast in situ concrete composite insulation board's wall system in big mould, include structural layer (1), heat preservation (2) and inoxidizing coating (3) that from interior to exterior set gradually, structural layer (1) and inoxidizing coating (3) are formed by concrete placement, and it has steel bar structure to embed in structural layer (1), and it has steel wire net (4) to embed in inoxidizing coating (3), still connect its characterized in that through drawknot subassembly (100) between structural layer (1), heat preservation (2) and inoxidizing coating (3), drawknot subassembly (100) include:

one end of the pull rod (110) is positioned in the structural layer (1), and the other end of the pull rod is positioned in the protective layer (3) and is provided with an end rod which is at a right angle with the pull rod;

a locking piece (120) made of plastic material, wherein the locking piece (120) is provided with a locking piece (121) which is attached to the outer side of the steel wire mesh (4), a through hole for the pull rod (110) to pass through is formed in the middle of the locking piece (121), a baffle ring (122) which is arranged around the through hole is arranged on the outer side end face of the locking piece (121), a notch for the end rod to extend out is arranged on the baffle ring (122), a baffle arm is arranged at the notch in a downward extending mode, the end rod can be accommodated between the baffle arm and the locking piece (121), turnups (123) which are turned inwards are arranged on the two sides of the locking piece (121), the turnups (123) are upwards extended and provided with upper baffle arms (124), upper baffle arms (124) and locking pieces (121) are formed with upper clamping grooves for clamping steel wires on the steel wire mesh (4), the turnups (123) are downwards extended and provided with lower baffle arms (125), and lower baffle arms (125) and locking pieces (121) are formed with lower clamping grooves for clamping steel wires on the steel wire mesh (4), the distance between the bottom of the upper clamping groove and the bottom of the lower retaining arm (125) is smaller than the height of meshes on the steel wire mesh (4), a wedge-shaped fixture block I (126) with the thickness increasing upwards is arranged at the lower part of the end surface of the inner side of the locking plate (121), and the distance between the top surface of the fixture block I (126) and the bottom of the lower clamping groove is matched with the diameter of a steel wire on the steel wire mesh (4);

the heat insulation sleeve (130) is made of plastic materials, is sleeved on the pull rod (110), one end of the heat insulation sleeve is positioned in the protective layer (3) and is fixed with the locking piece (120), and the other end of the heat insulation sleeve extends into the structural layer (1);

the positioning set piece is made of plastic materials and comprises an inner positioning piece (140) and an outer positioning piece (150) which are sleeved on the heat insulation sleeve (130) and respectively attached to the inner side and the outer side of the heat insulation layer (2), and the inner positioning piece (140) moves inwards and the outer positioning piece (150) moves outwards to be limited.

2. The wall system of claim 1, wherein the inner sidewall of the arm has a second wedge-shaped block (1221) with an inwardly increasing thickness for limiting the end bar from swinging.

3. The wall system of claim 1, wherein the tie bar (110) is externally threaded.

4. A wall system according to claim 3, characterised in that a plastic cap (160) is fixed to the tie rod (110) at the end located within the structural layer (1).

5. The wall system of claim 1, wherein the positioning assembly has grouting holes formed therein.

6. The wall system according to claim 1, wherein a distance is provided between the locking plate (121) and the heat insulation sleeve (130), the locking plate (121) and the heat insulation sleeve (130) are fixed by at least two connecting arms (170) circumferentially and uniformly distributed, and the width of the connecting arms (170) is arranged along the radial direction.

7. The wall system according to claim 6, wherein the outer positioning plate (150) is limited by a connecting arm (170), and the outer wall of the heat insulation sleeve (130) is provided with axially arranged barbs (131), and the barbs (131) can move the inner positioning plate (140) from inside to outside and limit the inner positioning plate (140) from moving inwards.

8. The wall system according to claim 7, characterized in that the outer wall of the heat insulation sleeve (130) is further provided with at least two positioning strips (132) axially, and the inner side of the inner positioning sheet (140) is provided with an arc-shaped positioning block (141) between the two positioning strips (132).

9. The wall system of claim 1, wherein the bottom of the lower channel and/or the channel bottom of the lower channel is an arcuate bottom surface.