Novel tying piece for heat preservation sandwich screen plate

Abstract

The utility model belongs to the technical field of buildings, and particularly relates to a novel tie piece for a heat preservation sandwich screen, which comprises a through-wall screw rod, a limiting plate and a fastening plate, the limiting plate and the fastening plate are respectively sleeved on the through-wall screw rod, the through-wall screw rod comprises a screw rod part and a hollow screw head part, and the screw head part is sleeved on the limiting plate and the fastening plate. The through-wall screw penetrates through the heat preservation layer, the limiting plate and the fastening plate are located on the two sides of the heat preservation layer respectively, the limiting plate and the fastening plate jointly clamp the heat preservation layer and the reinforcing mesh plates on the two sides of the heat preservation layer, and a screw part of the through-wall screw is formed by connecting a plurality of hollow connecting rods. And the hole cavities of the multiple sections of connecting rods are communicated with the hole cavity of the screw head part to form a mounting channel for a steel tie bar to penetrate through. A plurality of connecting rods are spliced, so that the length of the through-wall screw is adjustable, the through-wall rod with proper length is obtained by splicing according to the required thickness of a wall on site, and then the tie piece is mounted, so that the situation that the tie piece is not matched with the thickness of the wall is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building technical field, concretely relates to a new type tie member for thermal -insulated sandwich net board. BACKGROUND

[0002] The composite shear wall should be composed of a protective layer, a thermal insulation layer and a structural layer, and the composite shear wall is divided into two types, one is a net rack type composite shear wall, and the X-shaped webbing is used to fix the thermal insulation layer and the net boards on both sides of the thermal insulation layer, and the other is a point connection type composite shear wall, and the tie member penetrating through the thermal insulation layer is used to fix the thermal insulation layer and the net boards on both sides of the thermal insulation layer.

[0003] Compared with the webbing of the net rack type composite shear wall, the connecting structure of the thermal insulation sandwich net board of the point connection type composite shear wall is simpler, and the installation is easier. However, the length of the tie member on the market is fixed and cannot be adjusted, and when the length of the purchased tie member does not match the thickness of the wall, the tie member needs to be purchased again, which affects the progress of the project and increases the construction cost. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems existing in the prior art, the utility model provides a new type tie member for thermal -insulated sandwich net board, the tie member is spliced by a plurality of connecting rods, so that the length of the wall screw rod is adjustable, the wall screw rod with the appropriate length is obtained by splicing according to the required thickness of the wall, and then the installation of the tie member is carried out, so that the situation that the tie member does not match the thickness of the wall is avoided.

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

[0006] A new type tie member for thermal -insulated sandwich net board, including wall screw rod, limit board and fastening plate, the limit board and fastening plate are respectively set to wall screw rod, the wall screw rod includes screw rod part and the screw head part that is hollow, and the wall screw rod penetrates the thermal insulation layer and the limit board and fastening plate are located on both sides of the thermal insulation layer, and the limit board and fastening plate jointly clamp the thermal insulation layer and the reinforcing net board on both sides of the thermal insulation layer, the screw rod part of wall screw rod is connected by a plurality of hollow connecting rods and forms, the cavity of a plurality of connecting rods is communicated with the cavity of screw head and forms the installation channel for the tie reinforcing bar.

[0007] The both ends of connecting rod are provided with matched outer connecting thread and inner connecting thread respectively, and adjacent connecting rods are screw connected by means of inner connecting thread and outer connecting thread.

[0008] The tie steel bar is in L-shaped structure, the limit groove is arranged on the screw head close to the end, the side opening is arranged on the side wall of the screw head, the limit groove is communicated with the side opening and the installation channel respectively, and the bending part of the tie steel bar enters the limit groove along the side opening of the installation channel to form the limit.

[0009] The side wall of the screw head is provided with a sealing hole penetrating through the side wall of the screw head along the direction perpendicular to the installation channel.

[0010] The connecting rod is provided with outer wall threads, the fastening plate is connected with the wall screw through the outer wall threads, the end of the outer connecting thread of the connecting rod is provided with a limit protrusion, and when the end of the inner connecting thread abuts against the limit protrusion, the outer wall threads of the upper connecting rod and the outer wall threads of the lower connecting rod are just matched.

[0011] The beneficial effects of the utility model are:

[0012] 1、 the utility model provides a length adjustable tie piece, and the wall thickness required by the wall is obtained by splicing a plurality of connecting rods, and the installation of the tie piece is carried out, so that the situation that the tie piece does not match the wall thickness is avoided.

[0013] 2、 in order to ensure that the outer surface threads of adjacent connecting rods are continuous, the utility model is provided with a limit protrusion at the end of the outer connecting thread, when the inner connecting thread of the upper connecting rod cooperates with the outer connecting thread of the lower connecting rod, with the screwing of the upper connecting rod, the end of the inner connecting thread continuously spirally advances to the end of the outer connecting thread, when the end of the inner connecting thread abuts against the limit protrusion, the upper connecting rod cannot be screwed any more, and at this moment, the outer wall threads of the upper connecting rod are just continuously connected with the outer wall threads of the lower connecting rod. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the thermal insulation wall;

[0015] Figure 2 It is the structure schematic view of the tie piece;

[0016] Figure 3 It is the sectional structure schematic view of the tie piece;

[0017] Figure 4 It is Figure 3 It is the enlarged schematic view of the inner connecting thread;

[0018] In the drawing, 1, wall screw, 2, limiting plate, 3, fastening plate, 4, thermal insulation layer, 5, steel mesh plate, 6, connecting rod, 7, tie steel, 8, installation channel, 9, outer connecting thread, 10, inner connecting thread, 11, limiting groove, 12, sealing hole, 13, limiting protrusion, 14, outer wall thread. DETAILED DESCRIPTION

[0019] The utility model makes further explanation below combining with the drawing and specific implementation:

[0020] Specific embodiments, such as Figures 1-3 The utility model provides a new type tie member for thermal insulation sandwich net plate, including wall screw 1, limiting plate 2 and fastening plate 3, limiting plate 2 and fastening plate 3 are respectively set to wall screw 1, wall screw 1 includes screw rod part and the screw head part of hollow, wall screw 1 passes through thermal insulation layer 4 and limiting plate 2 and fastening plate 3 are located at both sides of thermal insulation layer 4, limiting plate 2 and fastening plate 3 are jointly clamped thermal insulation layer 4 and the steel mesh plate 5 of both sides of thermal insulation layer 4, the screw rod part of wall screw 1 is connected by multiple hollow connecting rods 6 and forms, the cavity of multiple connecting rods 6 is communicated with the cavity of screw head and forms installation channel 8 for tie steel 7 to pass through.

[0021] The length of the tie member currently sold on the market is fixed and not adjustable, when the purchased tie member does not match the thickness of the wall, it is necessary to purchase a new tie member, which affects the progress of the project and increases the construction cost.

[0022] Therefore, the utility model provides a length-adjustable tie member, which is connected by several connecting rods 6 on site according to the required thickness of the wall to obtain a wall rod with a suitable length, and then the installation of the tie member is carried out, so that the situation that the tie member does not match the thickness of the wall is avoided.

[0023] If the length of the connecting rod 6 is 50mm and the length of the screw head is 30mm, the overall length of the wall screw 1 can be adjusted between 80mm, 130mm, 180mm and 230mm, and the corresponding number of connecting rods 6 is selected for splicing according to actual needs.

[0024] As shown in Figure 1 and Figure 3 As shown, the two ends of the connecting rod 6 are respectively provided with matching outer connecting thread 9 and inner connecting thread 10, and adjacent connecting rods 6 are threadedly connected by means of inner connecting thread 10 and outer connecting thread 9. The connecting rods 6 in the utility model are spliced by means of thread connection, which is convenient to install and disassemble, and the thread connection is more firm, improving the integrity between the connecting rods 6.

[0025] As shown in Figure 1As shown, the tie bar 7 is in L-shaped structure, the limit groove 11 is arranged on the end of the screw head, the side opening is arranged on the side wall of the screw head, the limit groove 11 is communicated with the side opening and the installation channel 8, the bending part of the tie bar 7 is limited in the limit groove 11 along the side opening of the installation channel 8. The connection between the tie bar 7 and the tie member is more firm through the limit groove 11, the main body of the tie bar 7 is completely in the installation channel 8 through the through hole of the screw head, the bending part of the tie bar 7 is located at the side opening of the screw head, the bending part of the tie bar 7 is rotated, the bending part enters the limit groove 11 along the side opening, the height of the entrance side of the limit groove 11 is slightly smaller than the diameter of the tie bar 7 to form the limit, the tie member is made of plastic material and has plasticity, so that the tie bar 7 can enter the limit groove 11 by rotating.

[0026] As shown in the drawings, Figure 2 The side wall of the screw head is provided with a sealing hole 12, the sealing hole 12 penetrates the side wall of the screw head in the direction perpendicular to the installation channel 8. The inside of the installation channel 8 can be continuously glued through the sealing hole 12, so that the tie bar 7 and the tie member are bonded to form a whole.

[0027] As shown in the drawings, Figure 4 The surface of the connecting rod 6 is provided with an outer wall thread 14, the fastening plate 3 is threadedly connected with the wall screw 1 through the outer wall thread 14, the thread end of the outer connecting thread 9 of the connecting rod 6 is provided with a limiting protrusion 13, when the end of the inner connecting thread 10 abuts against the limiting protrusion 13, the outer wall thread 14 of the upper connecting rod 6 and the outer wall thread 14 of the lower connecting rod 6 are just matched.

[0028] When the inner connecting thread 10 and the outer connecting thread 9 of the adjacent connecting rod 6 are matched, the adjacent connecting rod 6 is out of position due to over-tightening or not in place, and the fastening plate 3 and the limiting plate 2 cannot be smoothly threadedly matched with the wall screw 1. In order to ensure that the outer wall thread 14 of the adjacent connecting rod 6 is continuous, the limiting protrusion 13 is arranged at the thread end of the outer connecting thread 9, when the inner connecting thread 10 of the upper connecting rod 6 is matched with the outer connecting thread 9 of the lower connecting rod 6, with the rotation of the upper connecting rod 6, the end of the inner connecting thread 10 continuously spirally advances to the end of the outer connecting thread 9, when the end of the inner connecting thread 10 abuts against the limiting protrusion 13, the upper connecting rod 6 cannot continue to rotate, at this time, the outer wall thread 14 of the upper connecting rod 6 is just continuously matched with the outer wall thread 14 of the lower connecting rod 6.

Claims

1. A novel tie rod for a thermal insulation sandwich panel, comprising a through-wall bolt (1), a limiting plate (2), and a fastening plate (3), wherein the limiting plate (2) and the fastening plate (3) are respectively sleeved on the through-wall bolt (1), the through-wall bolt (1) comprising a bolt portion and a hollow bolt head, the through-wall bolt (1) penetrating the insulation layer and the limiting plate (2) and the fastening plate (3) respectively located on both sides of the insulation layer (4), the limiting plate (2) and the fastening plate (3) jointly clamping the insulation layer (4) and the reinforcing mesh panels (5) on both sides of the insulation layer (4), characterized in that, The through-wall screw (1) is formed by connecting multiple hollow connecting rods (6). The cavities of the multiple connecting rods (6) are connected to the cavities of the screw head to form an installation channel (8) through which the tie steel bar (7) passes.

2. The novel tie-fitting component for a thermal insulation sandwich panel according to claim 1, characterized in that, The two ends of the connecting rod (6) are respectively provided with matching external connecting threads (9) and internal connecting threads (10), and adjacent connecting rods (6) form a threaded connection by means of the internal connecting threads (10) and external connecting threads (9).

3. The novel tie-fitting component for a thermal insulation sandwich panel according to claim 1, characterized in that, The tie bar (7) has an L-shaped structure. A limiting groove (11) is provided on the screw head near the end. The installation channel (8) has a side opening on the side wall of the screw head. The limiting groove (11) is connected to the side opening of the screw head and the installation channel (8) respectively. The bent part of the tie bar (7) enters the limiting groove (11) along the side opening of the installation channel (8) to form a limit.

4. A novel tie-fitting component for a thermal insulation sandwich panel according to claim 1, characterized in that, The side wall of the screw head is provided with a sealing hole (12), which penetrates the side wall of the screw head in a direction perpendicular to the installation channel (8).

5. A novel tie-fitting component for a thermal insulation sandwich panel according to claim 2, characterized in that, The connecting rod (6) has an outer wall thread (14) on its surface. The fastening plate (3) is threadedly connected to the through-wall screw (1) by means of the outer wall thread (14). The thread end of the outer connecting thread (9) of the connecting rod (6) is provided with a limiting protrusion (13). When the end of the inner connecting thread (10) abuts against the limiting protrusion (13), the outer wall thread (14) of the upper-level connecting rod (6) and the outer wall thread (14) of the lower-level connecting rod (6) are just connected and matched.

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