CN217420111U

CN217420111U - Composite self-insulation external wall panel lower-supporting type connecting structure

Info

Publication number: CN217420111U
Application number: CN202221554463.9U
Authority: CN
Inventors: 章一萍; 周练; 唐丽娜
Original assignee: Sichuan Architectural Design And Research Institute Co ltd
Current assignee: Sichuan Architectural Design And Research Institute Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-13
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a lower supporting type connecting structure of a composite self-insulation external wall panel, which relates to the technical field of building external wall assembly and comprises a picking lug which is picked out from a main body structure; the two sides of the picking lug are respectively abutted with a wallboard, and the length of the picking lug is greater than or equal to the thickness of the wallboard; two the wallboard all is equipped with the connecting piece with choosing between the ear, the connecting piece has the side, the side is used for the supporting the wallboard outside. By adopting the scheme, the ear is taken as the lower supporting force-bearing component of the wallboard, the problem that the wallboard is cracked due to the fact that the wallboard is integrally pulled by the traditional external hanging method is solved, and the wallboard is fixed through the connecting piece.

Description

Composite self-insulation external wall panel lower-supporting type connecting structure

Technical Field

The utility model relates to a building outer wall assembly technical field, concretely relates to compound self preservation temperature side fascia is formula connection structure that holds in palm down.

Background

Under the industrial background of 'rapidly developing assembly type buildings, promoting transformation and upgrading of traditional construction modes and realizing building industrialization and housing industrialization', the assembly type wallboard is applied to the assembly type buildings on a large scale, wherein the assembly type composite self-insulation external wallboard is gradually popularized and applied in engineering due to the requirements of energy conservation and heat preservation of the buildings. At present, the connection structural diagram of the common assembly type self-insulation external wall panel is as follows, and the common assembly type self-insulation external wall panel has the following defects:

(1) the external hanging mode is adopted, the requirement on the connecting piece is high, once the connecting piece fails, the wallboard has a falling risk, and the potential safety hazard is serious; (2) the stress mode of the whole wallboard is that the upper end of the wallboard is pulled, the tensile property of concrete is poor, and potential safety hazards such as cracking of a board surface and the like exist in the normal use process; (3) the connecting pieces need to be embedded in the wall board, the design specification has high requirements on the thickness of a concrete layer embedded by the embedded pieces and the edge distance between the embedded pieces and the concrete, and in order to meet the requirements of the specification on the embedded pieces, the concrete layer at the embedded pieces can be made very thick, so that the self weight of the wall board is increased, and meanwhile, the heat insulation and energy saving performance of the wall board is also seriously influenced; (4) connecting pieces need to be pre-embedded in the wallboard, and the design specification has higher requirements on the thickness of a concrete layer pre-embedded by the pre-embedded pieces and the edge distance between the pre-embedded pieces and the concrete, so that the pre-embedded pieces of the existing composite self-insulation external wallboard with a thin concrete surface layer are difficult to pre-embed in the wallboard, and even cannot be pre-embedded; (5) the production difficulty of the wallboard is increased due to the fact that the embedded part is embedded in the wallboard, the production efficiency is low, the production cost is high, and safe wind directions such as cracking of a board surface and the like are caused due to the fact that the embedded part fails in engineering application; (6) the dead weight of the wallboard is eccentric relative to stress points such as the embedded part and the reinforced concrete beam, and bending moment generated by eccentric load on the stress point of the embedded part has high requirement on bending resistance bearing capacity of the embedded part, so that the thickness of the embedded part is greatly increased, and the construction difficulty and the construction cost are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support formula connection structure under compound self preservation temperature side fascia, this scheme of adoption holds in the palm the load component under as the wallboard through choosing the ear, has solved traditional external hanging method and has made the whole problem that leads to the wallboard fracture of pulling of wallboard to it is fixed with the wallboard through the connecting piece.

The utility model discloses a following technical scheme realizes:

a lower supporting type connecting structure of a composite self-insulation external wall panel comprises a picking lug which is picked out from a main body structure; the two sides of the picking lug are respectively abutted with a wallboard, and the length of the picking lug is greater than or equal to the thickness of the wallboard; two wallboard and choose all to be equipped with the connecting piece between the ear, the connecting piece has the side, the side is used for the supporting the wallboard outside.

Compared with the prior art, the wallboard is high in requirement on the connecting piece by adopting an external hanging mode, and once the connecting piece fails, the wallboard has a falling risk and serious potential safety hazard; and the wallboard is held to the atress mode of whole wallboard is the upper end, and the tensile performance of concrete is poor, there are potential safety hazards such as face fracture scheduling problem in the normal use, this scheme provides a compound self preservation temperature side fascia formula connection structure that holds in the palm down, adopt this scheme, can utilize to choose the characteristics that ear concrete compressive strength is high, under the effect of wallboard dead weight, wallboard lower part atress, and the wallboard wholly presents the compression state to the problem that traditional external hanging method made the wallboard wholly to be drawn and lead to the wallboard fracture has been solved. In the concrete scheme, the main structure is a reinforced concrete beam or plate, the upper end, the middle part or the lower part of the main structure is provided with a picking lug, the picking lug is also made of reinforced concrete, and the two wallboards are connected and supported through the picking lug, so that the characteristic of high compressive strength of the concrete of the picking lug can be utilized; the length of the picking lug is not less than the thickness of the wallboard, namely the outer end of the picking lug is at least flush with the outer side of the wallboard, and the height of the picking lug is not less than 120mm, so that the stable support of the wallboard is ensured; in the specific construction process, a connecting piece is further arranged between the wall board and the picking lug, the wall board is stabilized on the picking lug through the connecting piece, the connecting piece is provided with a side edge while connecting the end part of the wall board with the picking lug, the side edge is positioned at the outer side position of the wall board and extends towards the outer side of the wall board so as to support the wall board and clamp the wall board in the wall board, and the wall board can be arranged at the upper end and the lower end of the picking lug and also can be arranged at the left side and the right side of the picking lug; above setting can also be under the earthquake action, makes the wallboard can freely remove in the plane, can effectively prevent the wallboard to the rigidity influence of major structure (roof beam, post), change major structure's failure mode, reduces the destruction of wallboard under the earthquake action when can improve the anti-seismic performance of building.

Further optimizing, the connecting pieces between the two wallboards and the ear are L-shaped connecting pieces; or the connecting pieces between the two wallboards and the ear are U-shaped connecting pieces, and the U-shaped connecting pieces are used for clamping the end parts of the wallboards; or the connecting pieces between the two wallboards and the ear are respectively L-shaped connecting pieces and U-shaped connecting pieces, and the U-shaped connecting pieces are used for clamping the end parts of the wallboards; the method is used for improving the design and construction efficiency.

Preferably, the end part of the wallboard is provided with a groove for placing the side edge of the connecting piece; for preventing the connecting piece from exposing the wall surface.

Further optimization, an indoor surface layer and an outdoor surface layer are respectively arranged on the inner side and the outer side of the wallboard, and double-layer alkali-resistant anti-cracking reinforcing nets are arranged between the indoor surface layer and the wallboard and between the outdoor surface layer and the wallboard; the double-layer alkali-resistant anti-cracking reinforcing net is arranged at the joints, so that the problem of cracking of the wall joints is solved.

Further preferably, the double-layer alkali-resistant anti-cracking reinforcing net located on the outdoor surface layer is located at the outer ends of the picking lugs, extends towards the outer side surfaces of the two wallboards on the two sides of the picking lugs respectively, and at least covers the outer side surfaces of the wallboards for a length of 100 mm.

Further preferably, the double-layer alkali-resistant anti-cracking reinforcing net is glass fiber gridding cloth or basalt fiber gridding cloth.

The wall plate is further optimized to further comprise anchor bolts, a plurality of through holes are uniformly distributed on the connecting piece, and the anchor bolts penetrate through the through holes and extend into the wall plate; wherein the quantity and the interval of crab-bolt are decided by the design, pass the connecting piece with choosing the ear with the crab-bolt in proper order, can be with stable the fixing of connecting piece on choosing the ear.

Further optimizing, the wallboard comprises a cavity, and the light heat-insulating material is filled in the cavity; the wall plate is of a thin-wall concrete structure, a cavity is formed in the wall plate, and the self weight of the wall body can be reduced and the overall energy-saving and heat-insulating performance of the wall body can be improved by filling light heat-insulating materials.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model provides a support formula connection structure under compound self preservation temperature side fascia, characteristics that ability make full use of concrete compressive strength is high, under the effect of wallboard dead weight, wallboard lower part atress, and the wallboard wholly presents the pressurized state, have solved traditional external method and have made the whole problem that leads to the wallboard fracture of pulling of wallboard.

2. The utility model provides a lower supporting type connecting structure of a composite self-insulation external wall panel, which adopts the lower part of a reinforced concrete ear integrated with a reinforced concrete beam to support a wallboard, the safety performance is higher than that of the traditional method which only adopts an L-shaped angle steel external wallboard, and the falling risk of the wallboard is avoided; an embedded part does not need to be embedded and connected in the wallboard, so that the design, production and construction difficulty of the wallboard is reduced; and is applicable to any wallboard; the wall plate is formed by filling light heat-insulating materials in the middle of a thin-wall concrete cavity, so that the self weight of the wall plate can be reduced, and the overall energy-saving and heat-insulating performance of the wall body is improved.

3. The utility model provides a lower supporting type connecting structure of a composite self-insulation external wall panel, wherein a connecting piece is arranged at the connecting position of the wall panels, and a U-shaped connecting piece or an L-shaped connecting piece can realize the connection of the two wall panels, thereby improving the design and construction efficiency; and the anti-cracking reinforcing net is arranged to prevent the wall board from cracking.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of an embodiment of the present invention in which a picking ear is disposed at the upper end of a main structure;

fig. 2 is a schematic structural view of an embodiment of the present invention in which the ear is disposed at the lower end of the main structure;

fig. 3 is a schematic structural view of an embodiment of the present invention in which the ear-picking member is disposed in the middle of the main body structure;

fig. 4 is a schematic structural diagram of an L-shaped connecting member according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an L-shaped connecting member with an anchor bolt according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a U-shaped connecting member according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a U-shaped connecting member setting anchor bolt according to an embodiment of the present invention.

Reference numbers and corresponding part names in the figures:

1-ear picking, 2-wall board, 3-connecting piece, 4-main structure, 5-double-layer alkali-resistant anti-cracking reinforcing net, 6-anchor bolt, 7-outdoor surface layer and 8-indoor surface layer.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Examples

The embodiment provides a bottom-supported connecting structure of a composite self-insulation external wall panel, as shown in fig. 1 to 7, comprising a cantilever 1 which is protruded out of a main body structure 4; the two sides of the picking lug 1 are respectively abutted with a wallboard 2, and the length of the picking lug 1 is larger than or equal to the thickness of the wallboard 2; two wallboard 2 and choose and all be equipped with connecting piece 3 between the ear 1, connecting piece 3 has the side, the side is used for supporting the wallboard 2 outside.

Compared with the prior art, the external hanging mode is adopted, the requirement on the connecting piece 3 is high, once the connecting piece 3 fails, the wall plate 2 has the falling risk, and the potential safety hazard is serious; and the atress mode of whole wallboard 2 is that the upper end withstands wallboard 2, and the tension performance of concrete is poor, there are potential safety hazards scheduling problems such as face fracture in the normal use process, this scheme provides a compound self preservation temperature side fascia 2 and holds in the palm formula connection structure down, adopt this scheme, can utilize and choose the characteristics that ear 1 concrete compression strength is high, under 2 dead weight effects of wallboard, 2 lower part atress of wallboard, and wallboard 2 wholly presents the compression state, thereby the problem that traditional external hanging method made 2 whole tension of wallboard lead to wallboard 2 fracture has been solved. In the concrete scheme, the main structure 4 is a reinforced concrete beam or plate, the picking lugs 1 are picked out from the upper end, the middle part or the lower part of the main structure 4, wherein the picking lugs 1 are also made of reinforced concrete, and the two wallboards 2 are connected and supported by the picking lugs 1, so that the characteristic of high concrete compressive strength of the picking lugs 1 can be utilized; the length of the picking lug 1 is not less than the thickness of the wallboard 2, namely the outer end of the picking lug 1 is at least flush with the outer side of the wallboard 2, and the height of the picking lug 1 is not less than 120mm, so that the stable support of the wallboard 2 is ensured; in the specific construction process, a connecting piece 3 is further arranged between the wall plate 2 and the picking lug 1, the wall plate 2 is stabilized on the picking lug 1 through the connecting piece 3, the connecting piece 3 is provided with a side edge while connecting the end part of the wall plate 2 with the picking lug 1, the side edge is positioned at the outer side of the wall plate 2 and extends towards the outer side of the wall plate 2, so that the wall plate 2 is supported and the wall plate 2 is clamped in the wall plate, wherein the wall plate 2 can be arranged at the upper end and the lower end of the picking lug 1 and also can be arranged at the left side and the right side of the picking lug 1; above setting can also be under the seismic action, makes wallboard 2 can freely remove in the plane, can effectively prevent that wallboard 2 from to the rigidity influence of major structure 4 (roof beam, post), changing major structure 4's failure mode, reduces wallboard 2 destruction under the seismic action when can improve the seismic performance of building.

Referring to fig. 1 to 3, the connecting member 3 includes a plurality of connecting manners, as shown in fig. 3, the connecting members 3 between the two wall panels 2 and the ear tabs 1 are both L-shaped connecting members 3; or the connecting pieces 3 between the two wallboards 2 and the ear-picking lugs 1 are both U-shaped connecting pieces 3, and the U-shaped connecting pieces 3 are used for clamping the end parts of the wallboards 2; as shown in fig. 1, the connecting pieces 3 between the upper wall plate 2 and the picking lug 1 are respectively U-shaped connecting pieces 3, while the connecting pieces 3 between the lower wall plate 2 and the picking lug 1 are L-shaped connecting pieces 3, as shown in fig. 2, the connecting pieces 3 between the upper wall plate 2 and the picking lug 1 are respectively L-shaped connecting pieces 3, while the connecting pieces 3 between the lower wall plate 2 and the picking lug 1 are U-shaped connecting pieces 3; the U-shaped connecting piece 3 is used for clamping the end part of the wallboard 2; one side edge of the L-shaped connecting piece 3 is fixed between the wallboard 2 and the picking lug 1, the other side edge is located on the side face of the wallboard 2, the U-shaped connecting piece 3 is obtained in the same way, the bottom edge of the U-shaped connecting piece 3 is fixed between the wallboard 2 and the picking lug 1, the two side edges are respectively located on the two sides of the wallboard 2, a clamping structure can be formed at the moment, and when the connecting structure is assembled, the end part of the wallboard 2 is directly placed into the connecting piece 3, so that an embedded part does not need to be pre-embedded and connected in the wallboard 2, and the design, production and construction difficulty of the wallboard 2 is reduced; and is applicable to any wall panel 2; the two plates are connected through the U-shaped connecting piece 3 or the L-shaped connecting piece 3, and the design and construction efficiency can be improved.

The further scheme is as follows: the end part of the wallboard 2 is provided with a groove for placing the side edge of the connecting piece 3; in order to prevent the connecting piece 3 from being exposed out of the wall surface, in the scheme, the groove is arranged at the connecting position of the end part of the wallboard 2, namely the pressing groove is produced, the size of the groove is matched with that of the side edge, so that the side edge can be conveniently clamped in, the connecting piece 3 is not required to be exposed out of the wall surface, and the surface of the wallboard 2 can be used for covering the connecting piece 3 without a decorative surface layer; wherein the end of the wall plate 2 may also be provided without grooves or with other structural forms, which are not described in detail herein.

As an implementation mode for solving the problem of wall surface joint cracking, an indoor surface layer 8 and an outdoor surface layer 7 are respectively arranged on the inner side and the outer side of the wallboard 2, and double-layer alkali-resistant anti-cracking reinforcing nets 5 are respectively arranged between the indoor surface layer 8 and the wallboard 2 and between the outdoor surface layer 7 and the wallboard 2; the double-layer alkali-resistant anti-cracking reinforcing net 5 is arranged at the joints, so that the problem of cracking of the wall joints is solved.

In this embodiment, the double-layer alkali-resistant anti-cracking reinforcing mesh 5 located on the outdoor surface layer 7 is located at the outer end of the cantilever lug 1, and extends to the outer side surfaces of the two wallboards 2 on the two sides of the cantilever lug 1 respectively, and covers at least the outer side surfaces of the wallboards 2 by a length of 100 mm; wherein the reinforcing net is required to be arranged on the outer side surface of the covering wallboard 2 for at least 100mm in length, the nominal unit area mass of the reinforcing net is more than or equal to 120g per square meter, the tensile breaking strength in the warp direction and the weft direction is more than or equal to 900(N/50mm), and the cracking resistance is ensured in turn.

In this embodiment, the double-layer alkali-resistant anti-cracking reinforcing mesh 5 is a glass fiber mesh cloth or a basalt fiber mesh cloth.

In the embodiment, the wall plate structure further comprises anchor bolts 6, a plurality of through holes are uniformly distributed on the connecting piece 3, and the anchor bolts 6 penetrate through the through holes and extend into the wall plate 2; wherein quantity and interval of crab-bolt 6 are decided by the design, pass connecting piece 3 and choose ear 1 with crab-bolt 6 in proper order, can be with stable the fixing of connecting piece 3 on choosing ear 1.

In this embodiment, the wall plate 2 includes a cavity, and a light heat-insulating material is filled in the cavity; the wall plate 2 is of a thin-wall concrete structure, a cavity is formed in the wall plate, and light heat-insulating materials are filled in the cavity, so that the self weight of the wall body can be reduced, and the overall energy-saving heat-insulating performance of the wall body can be improved; of course, the wall panel 2 may be made of other materials to achieve the primary object of the present invention.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A lower supporting type connecting structure of a composite self-insulation external wall panel is characterized by comprising a cantilever lug (1) which is projected out of a main body structure (4); the two sides of the picking lug (1) are respectively abutted with a wallboard (2), and the length of the picking lug (1) is larger than or equal to the thickness of the wallboard (2); two wallboard (2) and choose and all be equipped with connecting piece (3) between ear (1), connecting piece (3) have the side, the side is used for supporting wallboard (2) outside.

2. The bottom-supporting connecting structure for the composite self-insulation external wall panel as claimed in claim 1, wherein the connecting members (3) between the two wall panels (2) and the ears (1) are L-shaped connecting members.

3. The composite self-insulation external wall panel bottom-supporting connecting structure according to claim 1, wherein the connecting pieces (3) between the two wall panels (2) and the cantilever lugs (1) are U-shaped connecting pieces, and the U-shaped connecting pieces are used for clamping the end parts of the wall panels (2) into the inside.

4. The composite self-insulation external wall panel bottom-supporting connecting structure according to claim 1, wherein the connecting pieces (3) between the two wall panels (2) and the cantilever lugs (1) are respectively L-shaped connecting pieces and U-shaped connecting pieces, and the U-shaped connecting pieces are used for clamping the end parts of the wall panels (2).

5. The bottom-supported connecting structure of the composite self-insulation external wall panel as claimed in any one of claims 2 to 4, wherein the end of the wall panel (2) is provided with a groove for placing the side of the connecting member (3).

6. The underpot connecting structure for the composite self-insulation external wall panel as claimed in claim 1, wherein an indoor surface layer (8) and an outdoor surface layer (7) are respectively disposed on the inner side and the outer side of the wall panel (2), and double-layer alkali-resistant anti-cracking reinforcing mesh (5) is disposed between the indoor surface layer (8) and the wall panel (2) and between the outdoor surface layer (7) and the wall panel.

7. The bottom-supporting type connecting structure of composite self-insulation external wall panel according to claim 6, wherein the double-layer alkali-resistant anti-cracking reinforcing net (5) located on the outdoor surface layer (7) is located at the outer end of the cantilever lug (1), and extends to the outer side surfaces of the two wall panels (2) at two sides of the cantilever lug (1) respectively, and covers at least the outer side surfaces of the wall panels (2) for a length of 100 mm.

8. The composite self-insulation external wall panel bottom-supporting connecting structure as claimed in claim 6, wherein the double-layer alkali-resistant anti-cracking reinforcing mesh (5) is glass fiber mesh cloth or basalt fiber mesh cloth.

9. The bottom-supporting connecting structure of the composite self-insulation external wall panel as claimed in claim 1, further comprising anchor bolts (6), wherein a plurality of through holes are uniformly distributed on the connecting member (3), and the anchor bolts (6) penetrate through the through holes and extend into the wall panel (2).

10. The composite self-insulation external wall panel bottom-supporting connecting structure as claimed in claim 1, wherein the wall panel (2) comprises a cavity, and the cavity is filled with a light heat-insulation material.