CN114197691B - Passive building thermal insulation wall - Google Patents
Passive building thermal insulation wall Download PDFInfo
- Publication number
- CN114197691B CN114197691B CN202111626219.9A CN202111626219A CN114197691B CN 114197691 B CN114197691 B CN 114197691B CN 202111626219 A CN202111626219 A CN 202111626219A CN 114197691 B CN114197691 B CN 114197691B
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- heat preservation
- plate
- connecting piece
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- 238000009413 insulation Methods 0.000 title claims description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 238000004321 preservation Methods 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 238000005336 cracking Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 15
- 230000002512 anti-withdrawal effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 66
- 239000011111 cardboard Substances 0.000 abstract description 12
- 239000011241 protective layer Substances 0.000 abstract description 5
- 241001233242 Lontra Species 0.000 abstract 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 16
- 238000009434 installation Methods 0.000 description 5
- 210000002435 tendon Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/7608—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The utility model provides a passive building heat preservation wall body, including the shear force wall, the heat preservation, inside preset double-deck steel wire netting's concrete protective layer and heat preservation connecting piece, the structure connecting piece, the heat preservation connecting piece includes sub-connecting piece, the cardboard, sub-connecting piece includes the barrel that inside has the cavity, the limit otter board of protruding in barrel one end, the barrel passes double-deck steel wire netting in proper order, after the heat preservation, limit otter board contacts with the crack control net piece in the double-deck steel wire netting, the cardboard sets firmly in the barrel and protruding in the other end of heat preservation and the surface of cardboard contacts with the internal surface of heat preservation, the internal surface contacts with the steel wire netting of predetermineeing in the shear force wall, thereby limit heat preservation, double-deck steel wire netting between cardboard and limit otter board, realize the integral type of heat preservation and concrete protective layer and connect; the two ends of the structural connecting piece penetrate through the cavity of the cylinder body and then respectively extend into the shear wall and the concrete protection layer, so that the integral connection of the shear wall, the heat preservation layer and the concrete protection layer is further realized, and the heat preservation layer is prevented from falling off.
Description
Technical Field
The invention belongs to the technical field of building external wall insulation, and particularly relates to a passive building insulation wall.
Background
As is well known, the Chinese amplitude staff is wide, the monsoon climate is obvious, the characteristics of the monsoon climate are provided with high temperature and heavy rain in summer, cold and little rain in winter, and the high temperature period is consistent with the heavy rain period, and the heat preservation structure is generally required on the outer part of the wall body of most buildings due to the cold winter climate and the high temperature of summer climate so as to realize heat preservation of the inner part of the winter buildings and cool inner part of the summer buildings. The usual mounting means of the insulation structure are: the heat-insulating layer is connected with the outer wall of the building by adopting gluing. For different buildings and different heat preservation grade requirements, the thickness of the heat preservation layer required by the heat preservation layer is different, for example, for the outer wall of a passive building, the thickness of the heat preservation layer required by the heat preservation layer is thicker, so that the weight of the heat preservation layer is larger, the adhesive connection is insufficient to support the heat preservation layer after long-term use, cracks and water seepage phenomena can occur, and the heat preservation layer falls off from the wall of the passive building.
Disclosure of Invention
Aiming at the technical problem that the heat insulation structure on the outer side of the existing passive building wall body is easy to fall off, the invention aims to provide the passive building heat insulation wall body with a novel structure.
The aim of the invention is realized by adopting the following technical scheme. The invention provides a passive building heat-insulating wall, which comprises a shear wall 1, a heat-insulating layer 2 and a concrete protection layer, wherein a double-layer steel wire mesh is preset in the concrete protection layer, and the double-layer steel wire mesh comprises a fixed mesh 401 and an anti-cracking mesh 402 which are connected into a whole; the heat insulation connecting piece is used for connecting the heat insulation layer and the concrete protection layer, and penetrates through the heat insulation connecting piece and is used for connecting the shear wall, the heat insulation layer and the concrete protection layer;
the heat-insulating connecting piece comprises a sub-connecting piece 301 and a clamping plate 302, wherein the sub-connecting piece comprises a barrel 3011 with a cavity 30111 inside and a limiting net plate 3012 protruding at one end of the barrel, the barrel sequentially passes through a double-layer steel wire net sheet and a heat-insulating layer from outside to inside, the limiting net plate is contacted with an anti-cracking net sheet, the clamping plate is fixedly arranged at the other end of the barrel protruding out of the heat-insulating layer, the outer surface of the clamping plate is simultaneously contacted with the inner surface of the heat-insulating layer, and the inner surface of the clamping plate is simultaneously contacted with a preset steel wire net sheet in the shear wall;
the two ends of the structural connector extend into the shear wall and the concrete protection layer respectively after passing through the chamber 30111.
By means of the technical scheme, the heat-insulating layer and the double-layer steel wire mesh are limited between the clamping plate and the limiting screen plate, so that the heat-insulating layer and the concrete protective layer are integrally connected; after the structural connecting piece passes through the cavity of the heat-insulating connecting piece, two ends of the structural connecting piece extend into the shear wall and the concrete protection layer respectively, so that the integrated connection of the shear wall, the heat-insulating layer and the concrete protection layer is realized, the heat-insulating layer is firmly supported by means of the matched connection of the heat-insulating connecting piece and the structural connecting piece, and the phenomenon that the heat-insulating layer with larger weight on the outer side of a passive building falls off is avoided.
Further, at least one side of the screen plate 3012 is provided with a tendon limiting structure, and the tendon limiting structure is in contact with at least one of the transverse tendons 4031 and the longitudinal tendons 4032 constituting the anti-cracking mesh 402.
Further, the rib-limiting structure is at least one of a rib-limiting step 30121 formed by bending in a direction approaching the other end of the cylinder and a rib-limiting groove 30124 facing the other end of the cylinder. According to the invention, through the accurate positioning of the limit rib step or limit rib groove and at least one of the transverse steel bar and the longitudinal steel bar, the installation is convenient, and the pulling-out force of the heat preservation connecting piece can be improved.
Further, the thermal insulation connector further comprises a reinforcing plate 303, wherein both sides of the reinforcing plate are respectively provided with a stop groove, and the length of the first stop groove 3031 is greater than that of the second stop groove 3032; the reinforcing plate is provided with a through hole 3033, at least one side of the through hole is provided with a locking groove, the locking groove comprises a transition groove 30343 and a limit groove 30344 which are communicated with each other, an anti-back convex part 30345 is arranged between the transition groove and the limit groove, the transition groove is close to the first stop groove, and the limit groove is close to the second stop groove; at least one lock column matched with the shape of the limit groove is arranged on the limit net plate 3032;
during assembly, the reinforcing plate is buckled on the limiting screen plate through the first blocking groove, at the moment, one side of the limiting screen plate is positioned in the first blocking groove, the other side of the limiting screen plate is positioned at the outer side of the second blocking groove, the locking column enters the transition groove, and the axis of the cavity and the axis of the through hole are not in the same straight line; then pulling the reinforcing plate to enable the other side of the limiting screen plate to enter the second stop groove, wherein at the moment, one side of the limiting screen plate is still positioned in the first stop groove, the axis of the cavity and the axis of the through hole are positioned on the same straight line, and the locking column passes over the anti-withdrawal convex part and then enters the limiting groove to be locked.
By adopting the mode, the invention adopts the cladding mode to fasten the reinforcing plate (metal material) on the outer side of the limiting screen plate (plastic material), improves the pulling resistance of the limiting screen plate, and further increases the pulling-out force of the heat preservation connecting piece.
Further, two lock posts positioned at two sides of the chamber are arranged on the screen limiting plate 3012, and the distance between the first lock post 30122 and the chamber 30111 is smaller than the distance between the second lock post 30123 and the chamber 30111; two sides of the through hole 3033 are respectively provided with a locking groove, a first locking groove 30341 matched with the first locking column and a first blocking groove 3031 are positioned on one side of the through hole, a second locking groove 30342 matched with the second locking column and a second blocking groove 3032 are positioned on the other side of the locking hole, and therefore the installation firmness of the reinforcing plate on the limiting screen plate is improved by means of two locking parts positioned on two sides of the cavity.
Further, the other end of the cylinder 3011 is convexly provided with a locking round table 3013, the diameter of the locking round table gradually increases towards the direction close to the screen limiting plate, a step hole 3021 is formed in the clamping plate 302, and the clamping plate is fixedly arranged at the other end of the cylinder through the cooperation of the locking round table and the step hole.
Further, the other end of the barrel 3011 is provided with external threads 3014, the clamping plate 302 is provided with an internal threaded hole 3023, and the clamping plate is fixedly arranged at the other end of the barrel through threaded fit.
Further, a screen limiting boss 3022 for contacting with a preset steel wire mesh sheet in the shear wall is disposed on the inner surface of the clamping plate 302.
Further, the structural connector is a rigid rod.
Further, the rigid rod member is a reinforcing steel bar 5, and a thread structure matched with threads on the outer wall of the reinforcing steel bar is arranged on the inner wall of the chamber 30111. The heat insulation layer is tightly attached to the shear wall by virtue of the threaded matching structure between the heat insulation layer and the shear wall.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention given in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a transverse cross-sectional view of an embodiment of a passive building insulation wall (when the protective layer is not concreted) according to the present invention.
Fig. 2A is an enlarged schematic view at a in fig. 1.
Fig. 2B is an enlarged schematic view at B in fig. 1.
Fig. 2C is a schematic view of the preliminary installation of the reinforcing plate of fig. 2B.
Fig. 3 is a schematic perspective view of a neutron connector in this embodiment.
Fig. 4 is a schematic perspective view of the card board in this embodiment.
Fig. 5 is a schematic perspective view of the reinforcing plate in the present embodiment.
Fig. 6 is a schematic perspective view of the structural connector in this embodiment.
Fig. 7 is a schematic perspective view of a sub-connector according to a second embodiment of the present invention.
Fig. 8 is a schematic perspective view of a neutron coupling according to a third embodiment of the invention.
Fig. 9 is a schematic perspective view of a card board according to a third embodiment of the invention.
[ reference numerals ]
1-a shear wall and 2-an insulation layer; 301-sub connectors, 3011-cylinders, 30111-chambers, 3012-screen limiting plates, 30121-rib limiting steps, 30122-first locking columns, 30123-second locking columns, 30124-rib limiting grooves, 3013-locking round tables and 3014-external threads; 302-clamping plates, 3021-step holes, 3022-net limiting bosses and 3023-internal threaded holes; 303-a reinforcing plate, 3031-a first stop groove, 3032-a second stop groove, 3033-a through hole, 30341-a first locking groove, 30342-a second locking groove, 30343-a transition groove, 30344-a limit groove and 30345-an anti-withdrawal convex part; 401-fixed meshes, 402-anti-cracking meshes, 4021-transverse reinforcing steel bars and 4022-longitudinal reinforcing steel bars; 5-reinforcing steel bars, 6-anti-corrosion caps and 7-concrete protective layer outer edge lines.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings and the preferred embodiments.
Referring to fig. 1, a transverse cross-sectional view of an embodiment of a passive thermal insulation wall of the present invention is shown, in which a concrete protection layer outside the thermal insulation layer is omitted in fig. 1 for convenience of description, and the position of the "shear wall" is defined as "inside", and the position of the "anti-cracking net" is defined as "outside". The embodiment comprises a shear wall 1, a heat preservation layer 2 positioned on the outer side of the shear wall, a concrete protection layer positioned on the outer side of the heat preservation layer, and a heat preservation connecting piece used for connecting the heat preservation layer and the concrete protection layer, and a structural connecting piece penetrating through the heat preservation connecting piece and used for connecting the shear wall, the heat preservation layer and the concrete protection layer.
Referring to fig. 3, the thermal insulation connector is made of plastic material and comprises a barrel 3011, wherein a cavity 30111 in the barrel is provided with internal threads for a structural connector to pass through; the limiting net plate 3012 is transversely convexly arranged at one end of the cylinder, and both sides of the limiting net plate are bent towards the direction close to the other end of the cylinder to form a limiting rib step 30121; the locking round platform 3013 protruding at the other end of the cylinder body, and the diameter of the locking round platform gradually increases along the direction close to the screen limiting plate, the optimal position of the locking round platform is as follows: the small-diameter end face of the locking round table is in a flush state with the other end face of the cylinder body. Referring to fig. 4, the clamping plate is made of plastic material, a step hole 3021 is formed in the center of the clamping plate, four net limiting bosses 3022 are circumferentially disposed on the inner surface of the clamping plate, and the ends of the four net limiting bosses, which are close to the step hole, are respectively connected with the wall of the surrounding step hole, so as to improve the overall strength of the clamping plate.
Referring to fig. 1, fig. 2A and fig. 2B, before concrete pouring, a double-layer steel wire mesh is pre-arranged in a region forming a concrete protection layer, the double-layer steel wire mesh comprises a fixed mesh 401 and an anti-cracking mesh 402 which are connected into a whole, the fixed mesh is arranged inwards, the anti-cracking mesh is arranged outwards and both the fixed mesh and the anti-cracking mesh comprise transverse steel bars 4021 and longitudinal steel bars 4022 which are interwoven with each other; then make the aperture of step hole 3021 cross locking round platform 3013, the step face forms the cooperation of keeping off with locking round platform's big terminal surface, assembles cardboard 302 at the other end of sub-connecting piece 301, and the surface of cardboard 302 contacts (carries out spacing from the inboard) with heat preservation 2's internal surface simultaneously, and the spacing between the steel wire net piece that presets in the limiting net boss 3022 on the cardboard internal surface and the shear force wall contacted in order to guarantee that the interval between heat preservation and the steel wire net piece that presets in the shear force wall accords with relevant standard requirement. According to the mode, the heat preservation layer and the double-layer steel wire net sheet are limited between the clamping plate and the limiting net plate, and then concrete pouring is carried out, so that the heat preservation layer and the concrete protection layer are integrally connected.
In this embodiment, the rib limiting step 30121 is used to clamp two adjacent longitudinal steel bars 4022, and of course, in other embodiments of the present invention, a limiting net plate 3012 may be formed by extending one end of a barrel along a longitudinal direction, and after the barrel sequentially passes through a double-layer steel wire mesh sheet and a preset through hole in the heat insulation layer from outside to inside, two adjacent transverse steel bars 4021 on the anti-cracking mesh sheet 402 are respectively clamped in the corresponding rib limiting step 30121.
Still further, in other embodiments of the present invention, a four-petal plum blossom-shaped screen 3012 may be formed by extending one end of the cylinder in the transverse direction and the longitudinal direction, and after the cylinder sequentially passes through the double-layer steel wire mesh sheet and the preset through holes in the heat insulation layer from outside to inside, two adjacent transverse steel bars and two adjacent longitudinal steel bars on the anti-cracking mesh sheet are respectively clamped into corresponding tendon limiting steps 30121.
In the foregoing embodiment, the accurate positioning of the limiting mesh plate and the anti-cracking mesh plate is realized by matching at least one of the longitudinal reinforcing steel bars and the transverse reinforcing steel bars with the limiting rib step, however, in other embodiments, the limiting rib step can be arranged only on one side of the limiting mesh plate, and the limiting rib step on one side of the limiting mesh plate is clamped into one longitudinal reinforcing steel bar or transverse reinforcing steel bar and the inner wall surface on the other side of the limiting mesh plate to be in direct contact with the other longitudinal reinforcing steel bar or transverse reinforcing steel bar, so that the blocking and limiting of the limiting mesh plate and the anti-cracking mesh plate are realized; or no rib limiting step is arranged on two sides of the limiting net plate, and the inner wall surfaces on two sides of the limiting net plate are respectively in direct contact with two longitudinal steel bars or two transverse steel bars in the state, so that the limiting net plate and the anti-cracking net plate are blocked and limited.
Referring to fig. 5, the heat insulation connecting piece is made of metal material (e.g. stainless steel), and after two sides of the heat insulation connecting piece are bent, a first stop groove 3031 and a second stop groove 3032 are respectively formed, and the length of the first stop groove is greater than that of the second stop groove; be equipped with through-hole 3033 on being located the reinforcing plate between two stopping grooves, set up first keyway 30341 between first stopping groove and the lockhole, set up second keyway 30342 between second stopping groove and the lockhole, two lockgrooves all include the rectangle transition groove 30343 and the arc spacing groove 30344 of mutual intercommunication, and be equipped with between transition groove and the spacing groove and prevent moving back protruding portion 30345, the width of transition groove is slightly greater than the spacing groove, the transition groove is close to first stopping groove simultaneously, the spacing groove is close to the second stopping groove. Referring to fig. 3, the limiting board 3012 is provided with a first lock post 30122 matching the shape of the limiting slot of the first lock slot and a second lock post 30123 matching the shape of the limiting slot of the second lock slot, the first lock post and the second lock post are respectively located at two sides of the chamber, and the distance between the first lock post and the chamber is smaller than the distance between the second lock post and the chamber.
Referring to fig. 1, 2B and 2C, after the insulation layer and the double-layer steel wire mesh are limited between the clamping plate and the limiting plate, the reinforcing plate 303 is buckled on the limiting plate 3012 by means of the first blocking groove 3031, the installation state of the first stage is as shown in fig. 2C, the rib limiting step 30121 on one side of the limiting plate is located in the first blocking groove 3031, the rib limiting step 30121 on the other side of the limiting plate is located on the outer side of the second blocking groove 3032, the first locking column 30122 enters the transition groove of the first locking groove 30341, the second locking column 30123 enters the transition groove of the second locking groove 30342, and the axis of the chamber 30111 and the axis of the through hole 3033 are not in the same straight line; then, the reinforcing plate 303 is pulled downwards to reach the assembled state as shown in fig. 2B, and in this state, the rib limiting step 30121 on the other side of the limiting screen plate enters the second blocking groove 3032, and since the first blocking groove is longer than the second blocking groove, the rib limiting step 30121 on one side of the limiting screen plate is still not completely separated from the first blocking groove 3031, so that the design has the advantages that: the reinforcing plate made of metal is buckled on the outer side of the limiting screen made of plastic in a coating mode, the pulling resistance of the limiting screen is improved, the pulling-out force of the heat preservation connecting piece is further increased, under the state, the first lock column 30122 passes through the anti-back protruding part and then enters the limiting groove of the first lock groove 30341 to be locked, the second lock column 30123 passes through the anti-back protruding part and then enters the limiting groove of the second lock groove 30342 to be locked, the installation firmness of the reinforcing plate on the limiting screen is improved by means of the two locking parts, and under the state, the axis of the chamber 30111 and the axis of the through hole 3033 are located on the same straight line to be ready for the penetration of the structural connecting piece.
In this embodiment, two locking posts and two locking slots are provided, however, in other embodiments of the present invention, only one side of the chamber outlet may be provided with the locking posts, and at this time, the same side of the through hole on the reinforcing plate may be provided with the locking slots satisfying the above-mentioned matching relationship.
Referring to fig. 6, in this embodiment, the structural connector is a steel bar 5. Referring to fig. 1, fig. 2A and fig. 2B, after the reinforcing plate is buckled on the limiting screen, the steel bars 5 sequentially pass through a preset steel wire mesh sheet in the shear wall, a cavity 30111 in the cylinder and a through hole 3033 of the reinforcing plate from inside to outside, the heat insulation layer is tightly attached to the shear wall by means of a threaded matching structure between the steel bars and the cylinder, and finally concrete is poured to obtain the shear wall and the concrete protection layer, and the shear wall, the heat insulation layer and the concrete protection layer are connected into a whole by means of the structural connecting piece and the heat insulation connecting piece, so that the falling phenomenon of the heat insulation layer is avoided.
In this embodiment, the structural connector is a steel bar, and of course, in other embodiments of the present invention, other types of rigid rods may be used instead of steel bars.
In addition, in other embodiments of the invention, the inner diameter of the cavity can be slightly smaller than the outer diameter of the reinforcing steel bar, and the reinforcing steel bar is penetrated through the cavity in a forced loading manner, so that the two ends of the reinforcing steel bar are respectively positioned in the shear wall and the concrete protection layer, and at the moment, the inner wall of the cavity can be provided with no screw thread structure.
Referring to fig. 7, in the second embodiment of the present invention, the insulation connecting piece is different from the insulation connecting piece in the first embodiment only in that: two sides of the limiting net plate 3012 are respectively provided with a limiting rib groove 30124 (replacing a limiting rib step) facing the locking round table 3013, and when the thermal insulation connecting piece is assembled, two adjacent transverse reinforcing steel bars 4031 or two adjacent longitudinal reinforcing steel bars 4032 on the anti-cracking net plate are respectively clamped into the corresponding limiting grooves 30124, so that limiting in the direction from outside to inside is realized.
Referring to fig. 8 and 9, in the third embodiment of the present invention, the insulation connecting piece is different from the insulation connecting piece in the second embodiment only in that: the other end of the cylinder 301 is provided with an external thread 3014 (replacing a locking round table), the central part of the clamping plate 302 is provided with a corresponding internal thread hole 3023 (replacing a step hole), the clamping plate is locked at the other end of the cylinder through the cooperation of a thread structure, and meanwhile, the outer surface of the clamping plate is contacted with the inner surface of the heat insulation layer, and the inner surface is contacted with a preset steel wire mesh sheet in the shear wall.
In a fourth embodiment of the invention, the insulated connector differs from the insulated connector of the first embodiment only in that: because the thickness of cardboard is enough, with limiting net boss on the cardboard internal surface save, make the internal surface direct contact shear force wall in-wall preset steel wire net piece of cardboard during the assembly in order to guarantee the interval between steel wire net piece and the heat preservation.
In a fifth embodiment of the invention, the insulated connector differs from the insulated connector of the first embodiment only in that: the connecting cylinder and the limiting screen plate are made of nylon materials, and the reinforcing plate can be omitted.
The above description is only of the preferred embodiments of the present invention, and any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present invention will still fall within the scope of the technical solutions of the present invention.
Claims (9)
1. The passive building heat-insulating wall comprises a shear wall (1), a heat-insulating layer (2) and a concrete protection layer, wherein a double-layer steel wire mesh is preset in the concrete protection layer, and comprises a fixed mesh (401) and an anti-cracking mesh (402) which are connected into a whole;
the heat preservation connecting piece comprises a sub-connecting piece (301) and a clamping plate (302), wherein the sub-connecting piece comprises a barrel (3011) with a cavity (30111) inside and a limiting screen plate (3012) protruding at one end of the barrel, the barrel sequentially penetrates through a double-layer steel wire mesh and a heat preservation layer from outside to inside, the inner wall surface of the limiting screen plate is contacted with an anti-cracking mesh, the clamping plate is fixedly arranged at the other end of the barrel protruding out of the heat preservation layer, the outer surface of the clamping plate is simultaneously contacted with the inner surface of the heat preservation layer, and the inner surface of the clamping plate is simultaneously contacted with a steel wire mesh preset in the shear wall;
the two ends of the structural connecting piece respectively extend into the shear wall and the concrete protection layer after passing through the cavity (30111);
the heat preservation connecting piece further comprises a reinforcing plate (303), wherein the two sides of the reinforcing plate are respectively provided with a stop groove, and the length of the first stop groove (3031) is larger than that of the second stop groove (3032); a through hole (3033) is formed in the reinforcing plate, a locking groove is formed in at least one side of the through hole, the locking groove comprises a transition groove (30343) and a limit groove (30344) which are communicated with each other, an anti-back protruding part (30345) is arranged between the transition groove and the limit groove, the transition groove is close to the first stop groove, and the limit groove is close to the second stop groove; at least one lock column matched with the shape of the limit groove is arranged on the limit net plate (3012);
during assembly, the reinforcing plate is buckled on the limiting screen plate through the first blocking groove, at the moment, one side of the limiting screen plate is positioned in the first blocking groove, the other side of the limiting screen plate is positioned at the outer side of the second blocking groove, the locking column enters the transition groove, and the axis of the cavity and the axis of the through hole are not in the same straight line; then pulling the reinforcing plate to enable the other side of the limiting screen plate to enter the second stop groove, wherein at the moment, one side of the limiting screen plate is still positioned in the first stop groove, the axis of the cavity and the axis of the through hole are positioned on the same straight line, and the locking column passes over the anti-withdrawal convex part and then enters the limiting groove to be locked.
2. The passive building thermal insulation wall according to claim 1, wherein at least one side of the limiting screen (3012) is provided with a limiting rib structure, and the limiting rib structure is in contact with at least one of transverse steel bars (4021) and longitudinal steel bars (4022) forming the anti-cracking net (402).
3. The passive building thermal insulation wall according to claim 2, wherein the rib limiting structure is at least one of a rib limiting step (30121) formed by bending towards the other end of the cylinder and a rib limiting groove (30124) towards the other end of the cylinder.
4. The passive building thermal insulation wall according to claim 1, wherein two lock posts positioned at two sides of the chamber are arranged on the limiting plate (3012), and the distance between the first lock post (30122) and the chamber (30111) is smaller than the distance between the second lock post (30123) and the chamber (30111); two sides of the through hole (3033) are respectively provided with a locking groove, a first locking groove (30341) matched with the first locking column and a first stopping groove (3031) are positioned on one side of the through hole, and a second locking groove (30342) matched with the second locking column and a second stopping groove (3032) are positioned on the other side of the lock hole.
5. The passive building thermal insulation wall body according to claim 1, wherein a locking round table (3013) is convexly arranged at the other end of the cylinder (3011) and the diameter of the locking round table gradually increases towards the direction close to the limiting screen plate, a step hole (3021) is formed in the clamping plate (302), and the clamping plate is fixedly arranged at the other end of the cylinder through the cooperation of the locking round table and the step hole.
6. The passive building thermal insulation wall body according to claim 1, wherein an external thread (3014) is arranged at the other end of the cylinder (3011), an internal thread hole (3023) is arranged on the clamping plate (302), and the clamping plate is fixedly arranged at the other end of the cylinder through threaded fit.
7. A passive building insulation wall according to claim 1, characterized in that the inner surface of the clamping plate (302) is provided with a net limiting boss (3022) for contacting with a preset steel wire net in the shear wall.
8. The passive thermal wall of claim 1, wherein the structural connector is a rigid rod.
9. The passive building thermal insulation wall according to claim 8, wherein the rigid rod is a steel bar (5), and the inner wall of the chamber (30111) is provided with a thread structure matched with the thread on the outer wall of the steel bar.
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| CN202111626219.9A CN114197691B (en) | 2021-12-28 | 2021-12-28 | Passive building thermal insulation wall |
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| CN202111626219.9A CN114197691B (en) | 2021-12-28 | 2021-12-28 | Passive building thermal insulation wall |
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| CN114197691B true CN114197691B (en) | 2023-08-25 |
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| GB216184A (en) * | 1923-02-19 | 1924-05-19 | Bernard Rathmell | Improved construction for heat insulation |
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| CN112761282A (en) * | 2021-02-11 | 2021-05-07 | 张强功 | Modern low-rise fabricated building structure and assembling method |
| CN213805985U (en) * | 2021-04-26 | 2021-07-27 | 广骏新材料科技有限公司 | Special connecting piece for point-connected steel wire mesh heat-insulation plate |
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- 2021-12-28 CN CN202111626219.9A patent/CN114197691B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216184A (en) * | 1923-02-19 | 1924-05-19 | Bernard Rathmell | Improved construction for heat insulation |
| US3982362A (en) * | 1975-02-24 | 1976-09-28 | Moore Alvin E | Insulated structure of end-joined cans and stuccoed mesh |
| CN210002588U (en) * | 2019-05-16 | 2020-01-31 | 周口市天明建筑节能科技有限公司 | Composite rock wool steel wire net rack external wall heat preservation system |
| CN111472472A (en) * | 2020-05-13 | 2020-07-31 | 河北通强保温材料有限公司 | Building heat preservation and structure integration system |
| CN212742975U (en) * | 2020-06-22 | 2021-03-19 | 曹强胜 | Positioning connection assembly for building and cast-in-place building heat preservation and structure integrated system |
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| CN112761282A (en) * | 2021-02-11 | 2021-05-07 | 张强功 | Modern low-rise fabricated building structure and assembling method |
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| CN114197691A (en) | 2022-03-18 |
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