Single-side prefabricated disassembly-free connecting piece steel bar net rack heat preservation sandwich integrated plate

Abstract

The utility model belongs to the technical field of buildings, and particularly relates to a single-side prefabricated disassembly-free connecting piece steel bar net frame heat preservation sandwich integrated plate which comprises a concrete prefabricated layer and a heat preservation layer, a steel bar net frame is arranged in the concrete prefabricated layer, and an installation groove and a T-shaped screw rod are arranged on the side, opposite to the concrete prefabricated layer, of the heat preservation layer. The mounting groove comprises a mounting cavity and a fixing edge, the fixing edge is located at the adjacent end of the heat preservation layer, the head of the screw rod presses the fixing edge, and the rod portion of the screw rod penetrates through the fixing edge of the upper-stage heat preservation layer and is connected with the lower-stage heat preservation layer in an inserted mode. Adjacent prefabricated integrated plates are fixedly connected through the screws, and the mounting grooves are formed to reserve operation space for constructors, so that workers can conveniently mount and match connecting pieces, and the construction difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building, concretely relates to a unilateral prefabricated disassembly -free connecting piece reinforced net rack heat -preserving sandwich integrated board. BACKGROUND

[0002] The prefabricated integrated board generally includes a thermal insulation layer and a concrete prefabricated layer located on one side of the thermal insulation layer, and the prefabricated integrated board is produced in a factory, then installed on site, and a supporting formwork is built on site on the other side of the thermal insulation layer, a gap between the supporting formwork and the thermal insulation layer forms a cast-in-place layer, and then the cast-in-place layer is cast on site to form a wall, and the prefabricated integrated board can improve the construction efficiency on site.

[0003] The prefabricated integrated board is generally small in size for convenient manufacturing and transportation, and a one-sided wall is formed by stacking multiple groups of prefabricated integrated boards, and currently, adjacent prefabricated integrated boards generally need to be bonded by using an adhesive, but this method requires a large amount of adhesive to be applied on the peripheral side of the prefabricated integrated board during the construction process, and the construction process is relatively complicated, which increases the construction difficulty, and the connection between the adjacent prefabricated integrated boards is poor in overall integrity. UTILITY MODEL CONTENTS

[0004] To solve the problems in the prior art, the utility model provides a unilateral prefabricated disassembly -free connecting piece reinforced net rack heat -preserving sandwich integrated board, which is fixedly connected by a screw rod, and an installation groove is arranged to reserve an operation space for a construction worker, facilitating the installation and cooperation of the connecting piece by the worker and reducing the construction difficulty.

[0005] The utility model adopts the specific technical scheme:

[0006] A unilateral prefabricated disassembly -free connecting piece reinforced net rack heat -preserving sandwich integrated board, which includes a concrete prefabricated layer and a thermal insulation layer, a steel net rack is arranged in the concrete prefabricated layer, an installation groove and a T-shaped screw rod are arranged on one side of the thermal insulation layer away from the concrete prefabricated layer, the installation groove includes an installation cavity and a fixing edge, the fixing edge is located at the abutting end of the thermal insulation layer, the head of the screw rod is pressed against the fixing edge, and the rod of the screw rod penetrates through the fixing edge of the upper thermal insulation layer and is inserted into the lower thermal insulation layer.

[0007] A positioning assembly is arranged on one side of the thermal insulation layer close to the concrete prefabricated layer, the positioning assembly includes a positioning cap in a groove-shaped structure and a positioning column in plug-in cooperation with the positioning cap, and the positioning column and the positioning cap are respectively embedded at the abutting ends of the upper thermal insulation layer and the lower thermal insulation layer.

[0008] A limiting ring is arranged on the surface of the positioning column, a snap ring is arranged in the positioning cap, the limiting ring is in a wedge-shaped structure in cross section along the axial direction, and the snap ring and the limiting ring are in snap-fit cooperation and hinder the positioning column from separating from the positioning cap.

[0009] The heat preservation layer is fixedly connected with the concrete prefabricated layer by means of the fixing bolt, the fixing bolt comprises a hooking part and a reinforcing part, the hooking part is in a nail-shaped structure, the surface of the hooking part is provided with a hook claw in a barb shape, the reinforcing part penetrates through the heat preservation layer and is integrally formed with the concrete prefabricated layer, and the hooking part is located in the heat preservation layer and is in hooking connection with the heat preservation layer by means of the hook claw.

[0010] The utility model discloses the beneficial effects are:

[0011] The utility model discloses setting up installation groove and screw rod, and the adjacent prefabricated integrated board is fixedly connected through screw rod, does not need to smear the bonding agent in large area, has improved construction efficiency, and in order to facilitate the installation cooperation between the adjacent connecting piece, the utility model discloses still setting up installation groove, and installation cavity can reserve the operating space for construction personnel, and facilitates the installation cooperation of connecting piece of staff.

[0012] In addition to leaving space for construction personnel to install operation, the installation cavity can also make the concrete in the cast-in-place layer flow into the installation chamber and be integrally formed with the stud, increasing the integrity between the heat preservation layer and the cast-in-place layer. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 The enlarged schematic view of part A in the utility model;

[0015] Figure 3 It is the structural schematic diagram of the positioning column;

[0016] Figure 4 It is Figure 1 The enlarged schematic view of part B in the utility model;

[0017] In the drawings, 1, concrete prefabricated layer, 2, heat preservation layer, 3, reinforcing net rack, 4, installation groove, 401, installation cavity, 402, fixed edge, 5, screw rod, 6, positioning cap, 7, positioning column, 8, limit ring, 9, snap ring, 10, fixing bolt, 1001, hooking part, 1002, reinforcing part, 11, hook claw, 12, cast-in-place layer. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the drawings and specific embodiment:

[0019] Specific embodiments, such as Figures 1-2The utility model provides a unilateral prefabricated dismounting connecting piece steel bar net rack 3 heat preservation sandwich integrated board, including concrete prefabricated layer 1 and heat preservation layer 2, the concrete prefabricated layer 1 is provided with steel bar net rack 3, the heat preservation layer 2 is provided with installation groove 4 and the T type screw rod 5 on the side of back concrete prefabricated layer 1, the installation groove 4 includes installation cavity 401 and fixed along 402, the fixed along 402 is located at the abutment end of heat preservation layer 2, and the head of screw rod 5 presses fixed along 402 and the stem of screw rod 5 penetrates the fixed along 402 of the heat preservation layer 2 of upper level and forms the insertion of lower level heat preservation layer 2.

[0020] The prefabricated integrated board is generally small in size for convenient manufacturing and transportation, and a one-side wall is formed by stacking multiple groups of prefabricated integrated boards, and currently, adjacent prefabricated integrated boards need to be bonded by using an adhesive, but this method requires a large area of the adhesive to be applied on the peripheral side of the prefabricated integrated board during the construction process, which is relatively complicated and increases the construction difficulty, and the connection between the adjacent prefabricated integrated boards is poor in integrity.

[0021] Therefore, the installation groove 4 and the screw rod 5 are arranged in the utility model, the adjacent prefabricated integrated boards are fixedly connected by the screw rod 5, the stem of the screw rod 5 is located in the heat preservation layer 2 of the lower level and forms the insertion, the head of the screw rod 5 presses the fixed along 402 of the heat preservation layer 2 of the upper level, and the fixed connection between the heat preservation layer 2 of the upper level and the heat preservation layer 2 of the lower level is realized. The integrated board of the utility model does not need a large area of the adhesive to be applied during the construction of the wall, which improves the construction efficiency, and in order to facilitate the installation and cooperation between the adjacent connecting pieces, the installation cavity 401 is further arranged in the utility model, as shown in the figure, the installation cavity 401 can reserve an operation space for the construction personnel, and the installation and cooperation of the connecting pieces by the workers are facilitated.

[0022] The screw rod can be threadedly connected with the heat preservation layer of the lower level or be inserted into the heat preservation layer of the lower level in the form of a barb. The position of the installation groove 4 can be set according to the left-right splicing or the up-down splicing of the sandwich integrated board.

[0023] As shown in the figure, Figure 2 As shown in the figure, the heat preservation layer 2 is provided with a positioning assembly on the side close to the concrete prefabricated layer 1, the positioning assembly includes a positioning cap 6 in the form of a groove-shaped structure and a positioning column 7 inserted into the positioning cap 6, and the positioning column 7 and the positioning cap 6 are respectively embedded in the abutment ends of the heat preservation layer 2 of the upper level and the heat preservation layer 2 of the lower level. The positioning assembly can quickly position the heat preservation layer 2 of the upper level and the heat preservation layer 2 of the lower level, ensure the construction accuracy, and the positioning assembly and the connecting assembly are respectively arranged on the two sides of the heat preservation layer 2, so that the heat preservation layer 2 is prevented from tilting to one side.

[0024] As shown in the figure, Figures 2-3As shown, the positioning column 7 is provided with a limiting ring 8, and the positioning cap 6 is provided with a snap ring 9, the limiting ring 8 is wedge-shaped in the axial direction, and the snap ring 9 is in clamping cooperation with the limiting ring 8 and prevents the positioning column 7 from separating from the positioning cap 6, the limiting ring 8 is locked with the upper and lower thermal insulation layers 2, and the front end of the limiting ring 8 can easily pass through the snap ring 9 due to the wedge-shaped ring structure of the limiting ring 8, although the rear end of the limiting ring 8 is wider than the inner ring of the snap ring 9, but under the action of the gravity of the thermal insulation layer 2 and the force applied by the staff, the rear end of the limiting ring 8 can also pass through the snap ring 9 by using the plasticity of the limiting ring 8, so that the upper and lower thermal insulation layers 2 are prevented from separating during positioning.

[0025] As shown in Figure 1 and Figure 4 As shown, the thermal insulation layer 2 is fixedly connected with the concrete prefabricated layer 1 by means of a fixing bolt 10, the fixing bolt 10 comprises a hooking part 1001 and a reinforcing part 1002, the hooking part 1001 is in a nail-shaped structure, the surface of the hooking part 1001 is provided with a barb-shaped hook claw 11, the reinforcing part 1002 penetrates the thermal insulation layer 2 and is integrally formed with the concrete prefabricated layer 1, and the hooking part 1001 is located in the thermal insulation layer 2 and is in hooking connection with the thermal insulation layer 2 by means of the hook claw 11. The thermal insulation layer 2 and the prefabricated concrete layer of the conventional integrated plate are generally connected by means of inclined reinforcing steel bars, but the inclined reinforcing steel bars are prone to heat bridges, so the fixing bolt 10 is used for connection in the utility model, the hooking part 1001 of the fixing bolt 10 is made of plastic material, can effectively block the heat bridge, improve the thermal insulation performance of the building, the hook claw 11 of the hooking part 1001 can increase the contact area with the thermal insulation layer 2, and the barb structure of the hook claw 11 can be inserted into the thermal insulation layer 2, thereby increasing the integrity of the fixing bolt 10 and the thermal insulation layer 2, and the reinforcing part 1002 is made of metal material, the reinforcing part 1002 is located in the prefabricated concrete layer and is integrally formed with the prefabricated concrete layer, thereby increasing the integrity of the fixing bolt 10 and the prefabricated concrete layer.

Claims

1. A single-sided prefabricated disassembly-free connector reinforced mesh frame thermal insulation sandwich integrated board, comprising a concrete prefabricated layer (1) and a thermal insulation layer (2), a reinforced mesh frame (3) is arranged in the concrete prefabricated layer (1), characterized in that, The installation groove (4) is provided on the side of the heat preservation layer (2) away from the concrete prefabricated layer (1), and comprises an installation cavity (401) and a fixed edge (402), and the fixed edge (402) is located at the abutting end of the heat preservation layer (2), the head of the screw rod (5) is pressed against the fixed edge (402), and the rod of the screw rod (5) penetrates through the fixed edge (402) of the upper heat preservation layer (2) and is inserted into the lower heat preservation layer (2).

2. The prefabricated single-sided disassembly-free connecting piece reinforced meshed frame thermal insulation sandwich integrated panel according to claim 1, characterized in that, The positioning assembly is arranged on the side of the heat preservation layer (2) close to the concrete prefabricated layer (1), and comprises a positioning cap (6) in a groove-shaped structure and a positioning column (7) inserted into the positioning cap (6), wherein the positioning column (7) and the positioning cap (6) are respectively embedded at the abutting ends of the upper heat preservation layer (2) and the lower heat preservation layer (2).

3. The prefabricated single-sided disassembly-free connecting piece reinforced meshed frame thermal insulation sandwich integrated panel according to claim 2, characterized in that, The positioning column (7) is provided with a limiting ring (8), the positioning cap (6) is provided with a clamping ring (9), the limiting ring (8) is in a wedge-shaped structure in the axial direction, and the clamping ring (9) is clamped with the limiting ring (8) and prevents the positioning column (7) from being separated from the positioning cap (6).

4. The single-sided prefabricated demountable connector reinforced net rack thermal insulation sandwich integrated board according to claim 1, characterized in that, The heat preservation layer (2) is fixedly connected with the concrete prefabricated layer (1) by means of the fixing bolt (10), the fixing bolt (10) comprises a hooking part (1001) and a reinforcing part (1002), the hooking part (1001) is in a nail-shaped structure, the hooking part (1001) is provided with a hook claw (11) in a barb shape on the surface, the reinforcing part (1002) penetrates through the heat preservation layer (2) and is integrally formed with the concrete prefabricated layer (1), and the hooking part (1001) is located in the heat preservation layer (2) and is hooked with the heat preservation layer (2) by means of the hook claw (11).

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