CN205705360U - A kind of hooked connections for prefabricated sandwich heat preserving wall body - Google Patents
A kind of hooked connections for prefabricated sandwich heat preserving wall body Download PDFInfo
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- CN205705360U CN205705360U CN201620401269.5U CN201620401269U CN205705360U CN 205705360 U CN205705360 U CN 205705360U CN 201620401269 U CN201620401269 U CN 201620401269U CN 205705360 U CN205705360 U CN 205705360U
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Abstract
The utility model discloses a kind of hooked connections for prefabricated sandwich heat preserving wall body, connector includes steel core and fibre resin surrounding layer；Described steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；Described fibre resin surrounding layer includes connector and locating ring；Described locating ring is arranged between the epimere of connector and stage casing；Perpendicular with connector axis 90 ° of described location anchor ring is crossed to form direct plugging-in connector, and location anchor ring is 45 ° with connector axis and is crossed to form oblique cutting type connector.This utility model connector is to use BMC or SMC moulding process to make together with steel core chopped strand and bulk or the sheet molding compound that resin is primary raw material, this connector shearing resistance and anti-pulling ability are high, heat transfer coefficient is little, can be used for the connection of precast concrete sandwich heat preserving wall body inside and outside leaf concrete slab.
Description
Technical field
This utility model belongs to construction engineering technical field, is specifically related to a kind of hooked connections for prefabricated sandwich heat preserving wall body.
Background technology
Along with propelling and the popularization of building energy conservation green construction of assembled architecture process, precast construction is increasingly widely applied, and wherein the energy-conservation key being to realize green building of body of wall, has good development prospect.Heat-preserving wall is promoted at building field the most widely as energy-saving wall.At present, conventional in engineering heat-preserving wall includes inside holding, external thermal insulation and sandwich heat preserving wall body three kinds.Inside heat insulation wall body is unfavorable for interior decoration, fragile.There is the problems such as fire prevention, exterior rendering and structure different life-spans in external thermal insulation.Sandwich heat preserving wall body is to be placed in by insulation material between interior siphonal lobe concrete panel, by connector, interior siphonal lobe wallboard and insulation material are connected as one, can effectively prevent the impact of external environment condition and inside fitting, the life-span same with structure can be realized, be the main development direction of building external wall energy-saving thermal insulation structure from now on.
Connector is to connect sandwich heat preserving wall inside and outside leaf concrete slab and the critical component of warming plate, is resistant under gravity load the critical component of pressure under shearing strength between layers and wind load simultaneously.Known domestic and international application connector in precast concrete sandwich heat preserving wall body mainly has regular reinforcement connector, stainless steel adapting piece and continuous fiber plastic fastening.There are problems in these connectors: though rebar connector is cheap, but heat conductivity is high, there is " heat bridge " effect, affects wall thermal insulating effect, and corrosion resistance is poor, easily causes wallboard potential safety hazard；Though stainless steel adapting piece heat conductivity is lower than reinforcing bar, but cost is the highest；Continuous fiber plastics (FRP) are though connector has the advantages such as tensile strength is high, corrosion resistance is strong, heat transfer coefficient is little, but its shearing strength is low, and anti-pull-out property is poor, has certain safe handling risk.
The shape of connector mainly has bar-shaped, lamellar and lattice several.But all there is certain shortcoming, be embodied in: the bar-shaped shearing resistance weak effect with lamellar of straight, anchoring property is poor；Lattice shape installs complexity, and efficiency of construction is low, and material usage is big, and price is high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of hooked connections for prefabricated sandwich heat preserving wall body.
The technical solution adopted in the utility model is: a kind of hooked connections for prefabricated sandwich heat preserving wall body, described connector shape of cross section is circular, being arranged among the internal lobe concrete panel of prefabricated sandwich heat preserving wall body, heat-insulation layer and siphonal lobe concrete panel, connector includes steel core and fibre resin surrounding layer；
Described steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；Chopped strand and bulk or the sheet molding compound that resin is main material are used BMC or SMC moulding process molding together with steel core；Hook end is remarkably improved the anchoring property in connector impeller concrete outside, can reduce the thickness of outer impeller simultaneously, and straight shaped end can insert internal lobe concrete slab by quick penetration warming plate, saves man-hour and reduces cost；
Described fibre resin surrounding layer includes connector and locating ring；
Described connector is divided into three sections, and epimere and hypomere lay respectively in siphonal lobe concrete panel and internal lobe concrete panel, are formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion, is positioned at heat-insulation layer；Stage casing is provided with the helical teeth matsurface adapted with insulation layer thickness, effectively strengthens the wedge action of connector and warming plate；
Described locating ring is arranged between the epimere of connector and stage casing；Locating ring is the most compressing with connector, and is arranged at the helical teeth section top at middle part, is positioned at crotch cervical region lower end, facilitates connector insertion warming plate interior and positions fixed length and installs；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and perpendicular with connector axis 90 ° of described location anchor ring is crossed to form direct plugging-in connector, and location anchor ring is 45 ° with connector axis and is crossed to form oblique cutting type connector.Direct plugging-in connector and oblique cutting type connector are applied in combination, and form space load system.The connector of straight cutting is primarily subjected to the horizontal direction pressure from wind load, the connector of oblique cutting is primarily subjected to the vertical direction shearing force of outer impeller deadweight, the stress division of labor is clearly, the mechanical property of combined connection component can be given full play to, it is ensured that the overall work of interior siphonal lobe wallboard and warming plate and raising are used for the safety of external wall of high-rise building plate.
As preferably, the crotch angle c of described steel core is 45 °～90 °.
As preferably, the tapering of the described frustum of a cone is 1:10～1:6.
As preferably, described locating ring is thickness 2～4mm and a diameter of 20～the Thin ring plate of 40mm.
As preferably, direction extracted by the described frustum of a cone in reducing end alignment concrete slab, and direction is extracted in the alignment prevention of frustum of a cone bellend.
As preferably, described helical teeth changeover portion external diameter is slightly larger than connector, and length is slightly less than warming plate thickness, and helical teeth is zigzag, and bevel direction is along inserting warming plate direction.
The manufacture method of a kind of above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps:
Step one, the matched moulds mould suppressed according to the overall dimensions processing of connector according to drawing；
Step 2, chopped strand and bulk that resin is main material or sheet molding compound are prepared；
Step 3, by curved to High tensile indented steel wire or Ribbed Bar one end for cutting die after hook-type；
Step 4, hook-type steel core is positioned over mold center fixes, bulk or sheet molding compound are put in the mould being heated to assigned temperature, use BMC or SMC moulding process molding；
Take out, after step 5, cooling, the prefabricated sandwich heat preserving wall body connector obtaining processing.
This utility model patent is with the outer surface rough High tensile indented steel wire of rule shape or Ribbed Bar as inner core, outer wrapping fiber resin bed composition NEW TYPE OF COMPOSITE connector, effectively utilize inner core high tensile steel wire or the anti-pulling of reinforcing bar and the high characteristic of shearing strength, and the advantage combining the low heat transfer corrosion resistance and good of the fibre resin of outsourcing, abandon respective shortcoming, efficiently solve inside and outside known precast concrete sandwich heat preservation wallboard connector key issue between impeller.
This utility model Patent design is the novel hooked connections of hook-type one end, one end straight, can be according to the design requirement of different parts, by connector straight cutting and oblique cutting organic assembling, and the surface being anchored in concrete slab by connector forms multiple frustum, it is effectively improved connector shear behavior and anti-pulling anchoring property, significantly strengthens the integral working of sandwich heat preserving wall body, safe and reliable, convenient installation, improves efficiency of construction.
When this utility model uses, on connector, helical teeth part is positioned at heat-insulation layer, and hook end is positioned at siphonal lobe concrete panel, to improve connector anchoring property in siphonal lobe concrete slab, prevents outer impeller from falling；Straight shaped end is positioned at internal lobe concrete panel, and straight end length in concrete slab meets anchorage length requirement.
The beneficial effects of the utility model are:
(1) connecting-piece structure that this utility model relates to is simple, make quick, shearing strength and resistance to plucking output capacity is high, heat transfer coefficient is low, corrosion resistance and good, volume are little, light weight, low cost, easy construction, service life are long.
(2) connector one end that this utility model relates to is designed as hook-type, connects anchoring effect good, can be greatly reduced the thickness of siphonal lobe wallboard simultaneously, saves material and reduces cost；The other end is straight, can insert concrete by quick penetration warming plate, save man-hour and reduce cost.The mode using straight cutting and oblique cutting combination arranges connector, and stress is clear and definite, has space load effect, can effectively ensure that integral working and the wallboard usage safety performance of body of wall.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model direct plugging-in hooked connections；
Fig. 2 is the structural representation of this utility model oblique cutting type hooked connections；
Fig. 3 is A-A sectional drawing in Fig. 1 and Fig. 2；
Fig. 4 is direct plugging-in and oblique cutting type novel hooked connections installation constitution figure in prefabricated sandwich heat preserving wall body.
Label in figure: 1 be steel core, 2 be fibre resin surrounding layer, 3 be connector, 4 be locating ring, 5 be helical teeth changeover portion, 6 be internal lobe concrete panel, 7 be heat-insulation layer, 8 for siphonal lobe concrete panel.
Detailed description of the invention
With detailed description of the invention, this utility model is described further below in conjunction with the accompanying drawings.
As Figure 1-4, a kind of hooked connections for prefabricated sandwich heat preserving wall body, described connector shape of cross section is circular, is arranged among the internal lobe concrete panel 6 of prefabricated sandwich heat preserving wall body, heat-insulation layer 7 and siphonal lobe concrete panel 8, and connector includes steel core 1 and fibre resin surrounding layer 2；
Described steel core 1 is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type, and the other end is straight；
Described fibre resin surrounding layer 2 includes connector 3 and locating ring 4；Described connector 3 is divided into three sections, and epimere and hypomere lay respectively in siphonal lobe concrete panel 8 and internal lobe concrete panel 6, are formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion 5, is positioned at heat-insulation layer 7；Described locating ring 4 is arranged between epimere and the stage casing of connector 3；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and perpendicular with connector 3 axis 90 ° of described locating ring 4 is crossed to form direct plugging-in connector, and locating ring 4 and connector 3 axis are 45 ° and are crossed to form oblique cutting type connector.
The crotch angle c of described steel core 1 is 45 °～90 °.The tapering of the described frustum of a cone is 1:10～1:6.Direction extracted by the described frustum of a cone in reducing end alignment concrete slab, direction is extracted in the alignment prevention of frustum of a cone bellend.Described locating ring 4 is thickness 2～4mm and a diameter of 20～the Thin ring plate of 40mm.Described helical teeth changeover portion 5 external diameter is slightly larger than connector 3, and length is slightly less than warming plate 7 thickness, and helical teeth is zigzag, and bevel direction is along inserting warming plate 7 direction.
The manufacture method of a kind of above-mentioned hooked connections for prefabricated sandwich heat preserving wall body, comprises the following steps:
Step one, the matched moulds mould suppressed according to the overall dimensions processing of connector according to drawing；
Step 2, chopped strand and bulk that resin is main material or sheet molding compound are prepared；
Step 3, by curved to High tensile indented steel wire or Ribbed Bar one end for cutting die after hook-type；
Step 4, hook-type steel core is positioned over mold center fixes, bulk or sheet molding compound are put in the mould being heated to assigned temperature, use BMC or SMC moulding process molding；
Take out, after step 5, cooling, the prefabricated sandwich heat preserving wall body connector obtaining processing.
Elder generation's assembling reinforcement casting concrete internal lobe wallboard during use, and Fast Installation heat-insulation layer, before concrete initial set, hooked connections straight shaped end is inserted in internal lobe concrete panel by vertical or oblique 45 ° of design attitude requirement through heat-insulation layer, make the helical teeth changeover portion on connector be positioned at heat-insulation layer, make locating ring be stuck in warming plate outer surface and be adjacent to；Bar-mat reinforcement it is installed and pours siphonal lobe concrete panel, finally, after design strength, i.e. completing body of wall making until internal lobe concrete panel and the equal maintenance of siphonal lobe concrete panel.
It should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.Each ingredient the clearest and the most definite in the present embodiment all can use prior art to be realized.
Claims (6)
1. the hooked connections for prefabricated sandwich heat preserving wall body, it is characterised in that: described connector shape of cross section
For circle, it is arranged among the internal lobe concrete panel of prefabricated sandwich heat preserving wall body, heat-insulation layer and siphonal lobe concrete panel,
Connector includes steel core and fibre resin surrounding layer；
Described steel core is High tensile indented steel wire or Ribbed Bar, and outer surface is that rule shape is uneven, and one end is bent to hook-type,
The other end is straight；
Described fibre resin surrounding layer includes connector and locating ring；Described connector is divided into three sections, and epimere and hypomere are respectively
It is positioned at siphonal lobe concrete panel and internal lobe concrete panel, is formed by connecting for multiple frustums of a cone；Stage casing is helical teeth changeover portion,
It is positioned at heat-insulation layer；Described locating ring is arranged between the epimere of connector and stage casing；
Described connector is divided into direct plugging-in connector and oblique cutting type connector, and described location anchor ring is perpendicular with connector axis
90 ° are crossed to form direct plugging-in connector, and location anchor ring is 45 ° with connector axis and is crossed to form oblique cutting type connector.
A kind of hooked connections for prefabricated sandwich heat preserving wall body the most according to claim 1, it is characterised in that:
The crotch angle c of described steel core is 45 °～90 °.
A kind of hooked connections for prefabricated sandwich heat preserving wall body the most according to claim 1, it is characterised in that:
The tapering of the described frustum of a cone is 1:10～1:6.
A kind of hooked connections for prefabricated sandwich heat preserving wall body the most according to claim 1, it is characterised in that:
Described locating ring is thickness 2～4mm and a diameter of 20～the Thin ring plate of 40mm.
A kind of hooked connections for prefabricated sandwich heat preserving wall body the most according to claim 1, it is characterised in that:
Direction extracted by the described frustum of a cone in reducing end alignment concrete slab, direction is extracted in the alignment prevention of frustum of a cone bellend.
A kind of hooked connections for prefabricated sandwich heat preserving wall body the most according to claim 1, it is characterised in that:
Described helical teeth changeover portion external diameter be more than connector, length be less than warming plate thickness, helical teeth is zigzag, bevel direction along
Insert warming plate direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401269.5U CN205705360U (en) | 2016-05-05 | 2016-05-05 | A kind of hooked connections for prefabricated sandwich heat preserving wall body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620401269.5U CN205705360U (en) | 2016-05-05 | 2016-05-05 | A kind of hooked connections for prefabricated sandwich heat preserving wall body |
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| CN205705360U true CN205705360U (en) | 2016-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799189A (en) * | 2016-05-05 | 2016-07-27 | 南京锋晖复合材料有限公司 | Hook-shaped connecting part for prefabricated sandwich insulation wall and manufacturing method of hook-shaped connecting part |
| CN109252592A (en) * | 2018-11-09 | 2019-01-22 | 中国建筑标准设计研究院有限公司 | A kind of rodlike connector and heat-preserving wall and its construction method |
-
2016
- 2016-05-05 CN CN201620401269.5U patent/CN205705360U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799189A (en) * | 2016-05-05 | 2016-07-27 | 南京锋晖复合材料有限公司 | Hook-shaped connecting part for prefabricated sandwich insulation wall and manufacturing method of hook-shaped connecting part |
| CN105799189B (en) * | 2016-05-05 | 2018-05-18 | 南京锋晖复合材料有限公司 | It is a kind of for hooked connections of prefabricated sandwich heat preserving wall body and preparation method thereof |
| CN109252592A (en) * | 2018-11-09 | 2019-01-22 | 中国建筑标准设计研究院有限公司 | A kind of rodlike connector and heat-preserving wall and its construction method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211019 Address after: 211100 Room 202, building 42, Mingyue garden, Dongshan street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Shen Feng Patentee after: Guo Zhengxing Address before: 211124 No. 20, 100 Road, Tu Yuan Industrial Park, Jiangning District, Jiangsu, Nanjing Patentee before: NANJING FENGHUI COMPOSITE MATERIAL Co.,Ltd. Patentee before: Guo Zhengxing |
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| TR01 | Transfer of patent right |