CN211775057U - Prefabricated sandwich heat preservation wall body connecting piece - Google Patents
Prefabricated sandwich heat preservation wall body connecting piece Download PDFInfo
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- CN211775057U CN211775057U CN201922502184.2U CN201922502184U CN211775057U CN 211775057 U CN211775057 U CN 211775057U CN 201922502184 U CN201922502184 U CN 201922502184U CN 211775057 U CN211775057 U CN 211775057U
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Abstract
The utility model relates to a prefabricated wallboard field specifically relates to a prefabricated double-layered core heat preservation wall connection spare. The wall insulation board fixing device comprises a connecting piece main body and an anchoring part, wherein the anchoring part can move along the axial direction of the connecting piece main body and is used for extruding and fixing the insulation board positioned in a wall body. At first pouring concrete on one of them anchor portion, when the terminal surface of concrete and splint was leveled, place the heated board again, another anchor portion later removed towards the heated board, until the splint laminating of two anchor portions in the both sides of heated board, at this moment again pour the concrete on the heated board around and another anchor portion, can prevent to leave the clearance between heated board and the anchor portion, and lead to this part clearance in not pouring the concrete, improve whole prefabricated wall's fastness. The insulation boards are fixed, concrete is poured again, and the situation that in the process of pouring the concrete, the position deviation or deformation of the insulation boards affects the quality of the whole prefabricated wall body can be prevented.
Description
Technical Field
The utility model relates to a prefabricated wallboard field specifically relates to a prefabricated double-layered core heat preservation wall connection spare.
Background
In recent years, with the gradual energy-saving and industrialized development of the building industry in China, more and more prefabricated sandwich heat-insulating walls are applied to the field of building engineering. The prefabricated sandwich heat-insulation wall has the advantages of high precision, good quality, high construction speed, high cost performance, environmental protection and the like, wherein the connecting piece for connecting the inner leaf concrete and the outer leaf concrete with the heat-insulation layer has larger influence on the mechanical property and the thermal property of the wall.
The existing common prefabricated sandwich heat-insulating wall connecting piece in China comprises a metal connecting piece and a fiber plastic (FRP) connecting piece, wherein the metal connecting piece is generally required to be welded or bound and fixed with a steel bar net piece in a wall body.
In the process of producing the prefabricated sandwich heat-insulating wall, the heat-insulating plate is preset in the wall, which belongs to an intermediate process, and the fixing effect of the heat-insulating plate directly influences the production progress and the heat-insulating effect of the wall.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a prefabricated double-layered core heat preservation wall connection spare can conveniently fix the heated board, improves production efficiency, guarantees the heat preservation effect of wall body.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a prefabricated sandwich heat-insulation wall connecting piece comprises a connecting piece main body and an anchoring part, wherein the anchoring part can move along the axial direction of the connecting piece main body and is used for extruding and fixing a heat-insulation plate;
when the connecting piece is used for prefabricating the sandwich heat-insulating wall body, the connecting piece main body penetrates through the heat-insulating plate, and the anchoring parts are positioned on two sides of the heat-insulating plate.
Further, the anchoring part comprises a first anchoring structure for reinforcing the first concrete wall panel and a second anchoring structure for reinforcing the second concrete wall panel, and the first anchoring structure and the second anchoring structure can move along the axial direction of the connector main body; alternatively, one of the anchoring structures may be movable in the axial direction of the connector body, the other anchoring structure being fixedly mounted on the connector body.
Further, the first anchoring structure and the second anchoring structure are both in threaded connection with the connecting piece main body.
Preferably, the connecting piece main body is provided with two groups of thread sections which are respectively positioned at two ends of the connecting piece main body;
when the connecting piece is used for prefabricating the sandwich thermal insulation wall body, the first anchoring structure is in threaded connection with the first group of threaded sections, the second anchoring structure is in threaded connection with the second group of threaded sections, and the thermal insulation plate is located at the middle section of the connecting piece main body.
Furthermore, each anchoring structure comprises a sleeve which is sleeved outside the connecting piece main body and is in threaded connection with the connecting piece main body, and a clamping plate arranged on the sleeve; the clamping plates interact with each other and are used for clamping and fixing the heat-insulating plate from two sides of the heat-insulating plate.
Further preferably, each anchoring structure further comprises a net frame and a plug fixed at the end of a sleeve, wherein the sleeve is positioned inside the net frame; one end of the net rack is connected to the sleeve or the plug, and the other end of the net rack is connected to the sleeve or the clamping plate.
Further preferably, the end of the sleeve is connected to a through hole at a central position of the clamping plate.
Further preferably, the area of the end face, attached to the sleeve, of the plug is larger than the area of the radial section of the sleeve.
Further preferably, the net rack comprises two sets of conical frames with butt jointed bottoms; and a steel bar mesh is circumferentially arranged outside the conical frame.
The utility model has the advantages as follows:
(1) at first pouring concrete on one of them anchor portion, when the terminal surface of concrete and splint was leveled, place the heated board again, another anchor portion later removed towards the heated board, until the splint laminating of two anchor portions in the both sides of heated board, at this moment again pour the concrete on the heated board around and another anchor portion, can prevent to leave the clearance between heated board and the anchor portion, and lead to this part clearance in not pouring the concrete, improve whole prefabricated wall's fastness.
The insulation boards are fixed, concrete is poured again, and the situation that in the process of pouring the concrete, the position deviation or deformation of the insulation boards affects the quality of the whole prefabricated wall body can be prevented.
(2) The screw thread section sets up the both ends in the connecting piece main part, rather than setting up at the interlude, and the heated board setting does not have screwed interlude in the connecting piece main part, can prevent that two splint from opening at the process of extrusion heated board, screw thread friction heated board to lead to the jack grow on the heated board and influence the heat preservation effect.
(3) Telescopic one end sets up the end cap, and when rotatory sleeve for the end cap is close the tip of connecting piece main part, and the distance between two splint reaches the maximum compression volume of elastic heated board this moment, and the rotatory sleeve is resumed in the end cap restriction, can prevent excessive extrusion heated board, and then prevents to damage the heated board.
(4) The reinforcing bar net piece welds with the rack, mainly plays fixed, anchor effect, strengthens the connection stability between first concrete wallboard and heated board and the second concrete wallboard.
(5) The utility model discloses a threaded connecting piece main part links to each other with the sleeve, can adjust the effective length that is used for placing heat preservation wallboard of connecting piece main part, and the flexibility ratio is high, can make its wall body that is applicable to different thickness heat preservation.
(6) The utility model discloses can weld or the ligature is connected between rack in the anchor section and reinforcing bar net piece, the connected mode is simple, can pour concrete in the steel wire space rack simultaneously, pours anchor portion and concrete wall body into wholly, compares with traditional connecting piece, and the anchor nature is stronger, and connection stability is better.
(7) The utility model discloses the end cap of anchor section is metal toper end, and the bottom surface diameter of metal toper end is greater than sleeve terminal surface diameter, can increase the mechanical interlock power of anchor portion and concrete.
(8) The utility model discloses a shear strength, resistance to plucking intensity and anchor nature are higher, have effectively increased being connected between first, second concrete wallboard and the heated board.
Drawings
FIG. 1 is a view showing a structure of a connector according to the present invention;
fig. 2 is a front view of the connector of the present invention;
FIG. 3 is a schematic view of the connector of the present invention installed in a wall;
FIG. 4 is a schematic view of the connection between the main body and the insertion tube of the present invention;
fig. 5 is the schematic view of the connection between the anchoring part and the steel wire mesh.
The notations in the figures have the following meanings:
10-connector body 11-threaded section 20-sleeve 21-net rack 22-plug 23-splint 24-reinforcing mesh 30-first concrete wallboard 31-heat-insulation board 32-second concrete wallboard
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
A prefabricated sandwich heat-insulation wall connecting piece is shown in figures 1 and 2 and comprises a connecting piece main body 10 and two anchoring parts located at two ends of the connecting piece main body 10, wherein the anchoring parts can move along the axial direction of the connecting piece main body 10 and are used for extruding and fixing a heat-insulation plate 31 located in a wall body.
The exterior of the connector body 10 can be provided with threads, in this embodiment, as shown in fig. 4, only the two ends of the connector body 10 are provided with the threaded sections 11, the length of each threaded section 11 is 40-50 mm, and the length of the middle section of the connector body 10 is 50-100 mm.
As shown in fig. 1 and 2, each anchor part comprises a sleeve 20 which is sleeved outside the connector main body 10 and is in threaded connection with the threaded section 11 of the connector main body 10, a clamping plate 23 which is arranged at one end of the sleeve 20, a through hole is formed in the center of the clamping plate 23 and is communicated with the inside of the sleeve 20, and the inner diameter of the through hole is equal to the outer diameter of the sleeve 20; and a plug 22 provided at the other end of the sleeve 20, wherein the end of the connector body 10 is not in contact with the plug 22, and the plug 22 and the clamp plate 23 are provided with the net frame 21. In this embodiment, the plug 22 is a metal cone, and the diameter of the bottom surface of the cone is larger than that of the sleeve 20. One end of the net frame 21 is connected to the sleeve 20 or the plug 22, and the other end of the net frame 21 is connected to the sleeve 20 or the clamping plate 23, as shown in fig. 5, a steel mesh 24 is welded to the outside of the net frame 21, and the area surrounded by the steel mesh 24 is quadrilateral. As shown in fig. 1, the rack 21 comprises two sets of conical frames with bottom butt joints. The centers of the sleeve 20, the plug 22, the net frame 21 and the clamping plate 23 are positioned on the same straight line.
Example 2
The production process of the connecting piece comprises
An anchoring part: the square steel wire frame and the bent steel wire are connected to form a net frame 21 with a steel wire space, the net frame 21 and the upper end and the lower end of the sleeve 20 are welded to form a whole, and then the sleeve 20 is welded with the metal conical plug 22 and the clamp plate 23 with the thin metal plate holes to form the anchoring part.
In this embodiment, during anchor portion stretched into first second concrete wallboard, 10 ~ 15mm protective layer thickness need be reserved apart from first second concrete lateral surface at metal toper end top.
In this embodiment, steel wire space rack inclination can change.
In this embodiment, the perforated thin metal plate may be a perforated circular metal plate, a perforated triangular metal plate, or the like.
A connecting method of prefabricated sandwich heat-insulating wall connecting pieces comprises the following steps:
s1, spraying a release agent on the inner wall of a mould for manufacturing the prefabricated sandwich heat-insulating wall, and paving a reinforcing mesh 24 in the mould, wherein the reinforcing mesh 24 is an integral body and can increase the strength of the wallboard; processing two groups of anchoring structures, wherein the specific steps comprise that a plug 22 is welded at one end of a sleeve 20, a clamping plate 23 is welded at the other end of the sleeve 20, and a net rack 21 is welded at a position between the plug 22 and the clamping plate 23 on the sleeve 20;
s2, welding the net frame 21 of the anchoring structure on the steel bar net piece 24;
s3, pouring concrete into the mold until the concrete is poured to the position where the end face of the clamping plate 23 is located, wherein the plug 22, the sleeve 20 and the net rack 21 of the first anchoring structure are all located inside the concrete to form a first concrete wallboard 30;
s4, before the concrete of the first concrete wallboard 30 is solidified, a through hole communicated with the interior of the sleeve 20 is arranged on the end surface of the clamping plate 23 without pouring the concrete; the heat insulation plate 31 is provided with corresponding jacks;
s5, inserting the connector body 10 into the sleeve 20 of the first anchoring structure, and rotating the connector body 10 so that the connector body 10 is threadedly coupled with the sleeve 20;
s6, sleeving the heat-insulating plate 31 on the connecting piece main body 10 through the jack, tightly attaching the heat-insulating plate 31 to the clamping plate 23 of the first anchoring structure, sleeving the sleeve 20 of the second anchoring structure on the connecting piece main body 10, and rotating the sleeve 20 until the sleeve 20 carries the clamping plate 23 of the second anchoring structure to move to the position of the heat-insulating plate 31, and extruding the elastic heat-insulating plate 31 by the two clamping plates 23 until the thickness is set;
s7, laying a steel bar mesh 24 above the heat preservation plate 31; concrete is poured outside the second anchoring structure and around the heat-insulating plate 31 to form the whole prefabricated sandwich heat-insulating wall body;
and S8, removing the die after curing for a set time, and taking out the prefabricated sandwich thermal insulation wall from the die to finish the manufacturing of the prefabricated sandwich thermal insulation wall.
Claims (9)
1. The utility model provides a prefabricated core heat preservation wall body connecting piece that presss from both sides, includes connecting piece main part (10) and anchor portion, its characterized in that: the anchoring part can move along the axial direction of the connecting piece main body (10) and is used for extruding and fixing the heat insulation plate (31);
when the connecting piece is used for prefabricating the sandwich heat-insulation wall body, the connecting piece main body (10) penetrates through the heat-insulation plate (31), and the anchoring parts are positioned on two sides of the heat-insulation plate (31).
2. The prefabricated sandwich insulation wall connecting piece of claim 1, wherein: the anchoring part comprises a first anchoring structure for reinforcing a first concrete wall panel (30) and a second anchoring structure for reinforcing a second concrete wall panel (32), both of which are movable in the axial direction of the connector body (10); alternatively, one of the anchoring structures may be movable in the axial direction of the connector body (10) and the other anchoring structure is fixedly mounted on the connector body (10).
3. The prefabricated sandwich insulation wall connecting piece of claim 2, wherein: the first anchoring structure and the second anchoring structure are both in threaded connection with the connector body (10).
4. The prefabricated sandwich insulation wall connecting piece of claim 3, wherein: the connecting piece main body (10) is provided with two groups of threaded sections (11), and the threaded sections (11) are respectively positioned at two ends of the connecting piece main body (10);
when the connecting piece is used for prefabricating the sandwich thermal insulation wall body, the first anchoring structure is in threaded connection with the first group of threaded sections (11), the second anchoring structure is in threaded connection with the second group of threaded sections (11), and the thermal insulation plate (31) is located in the middle section of the connecting piece main body (10).
5. The prefabricated sandwich insulation wall connecting piece of claim 2, 3 or 4, wherein: each anchoring structure comprises a sleeve (20) which is sleeved outside the connecting piece main body (10) and is in threaded connection with the connecting piece main body (10), and a clamping plate (23) arranged on the sleeve (20); the clamping plates (23) interact with each other and are used for clamping and fixing the heat-insulating plate (31) from two sides of the heat-insulating plate (31).
6. The prefabricated sandwich insulation wall connecting piece of claim 5, wherein: each anchoring structure further comprises a net frame (21) and a plug (22) fixed at the end of a sleeve (20), wherein the sleeve (20) is positioned inside the net frame (21); one end of the net rack (21) is connected to the sleeve (20) or the plug (22), and the other end of the net rack (21) is connected to the sleeve (20) or the clamping plate (23).
7. The prefabricated sandwich insulation wall connecting piece of claim 5, wherein: the end of the sleeve (20) is connected to a through hole at the center of the clamping plate (23).
8. The prefabricated sandwich insulation wall connecting piece of claim 7, wherein: the area of the end face of the plug (22) attached to the sleeve (20) is larger than the radial section area of the sleeve (20).
9. The prefabricated sandwich insulation wall connecting piece of claim 6, wherein: the net rack (21) comprises two groups of conical frames with butt jointed bottoms; and a steel bar mesh (24) is circumferentially arranged outside the conical frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502184.2U CN211775057U (en) | 2019-12-31 | 2019-12-31 | Prefabricated sandwich heat preservation wall body connecting piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502184.2U CN211775057U (en) | 2019-12-31 | 2019-12-31 | Prefabricated sandwich heat preservation wall body connecting piece |
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| CN211775057U true CN211775057U (en) | 2020-10-27 |
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| CN201922502184.2U Active CN211775057U (en) | 2019-12-31 | 2019-12-31 | Prefabricated sandwich heat preservation wall body connecting piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042433A (en) * | 2019-12-31 | 2020-04-21 | 合肥工业大学 | Prefabricated sandwich heat-insulation wall connecting piece and connecting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042433A (en) * | 2019-12-31 | 2020-04-21 | 合肥工业大学 | Prefabricated sandwich heat-insulation wall connecting piece and connecting method thereof |
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Address after: 230009 No. 193, Tunxi Road, Hefei, Anhui Patentee after: Hefei University of Technology Patentee after: Anhui Gaodi circular economy Industrial Park Co.,Ltd. Address before: 230009 No. 193, Tunxi Road, Hefei, Anhui Patentee before: Hefei University of Technology Patentee before: ANHUI GAODI ENVIRONMENTAL PROTECTION Co.,Ltd. |