CN211622591U - Template fixing device of sandwich heat-preservation clean water wall - Google Patents

Abstract

The utility model relates to a formwork fixing device for a sandwich heat-insulating clear water wall, which relates to the technical field of building construction. The existing sandwich insulation concrete wall is divided into two pours, which not only prolongs the construction period, but also makes it difficult to ensure the pouring quality. It includes: a through-wall screw, which vertically penetrates the insulation board; two fasteners, respectively sleeved on the through-wall screw and fastened to both sides of the insulation board; two conical nuts, respectively sleeved on the through-wall Both ends of the screw rod, and the outer ends of the two conical nuts are respectively in contact with the formwork on both sides of the sandwich thermal insulation clear water wall to be poured; the two detachable outer rods are respectively arranged on both sides of the formwork, and the One end penetrates the formwork vertically and is connected with the conical nut, and the other end is fixed on the outside of the formwork through the locking assembly, and the two sides of the formwork and the insulation board are synchronously positioned to realize the inner wall and the outer wall of the sandwich thermal insulation clear water wall. One-time overall pouring.

Description

Formwork Fixing Device for Sandwich Thermal Insulation Clear Water Wall

technical field

The utility model relates to the technical field of building construction, in particular to a formwork fixing device for a sandwich heat preservation clear water wall.

Background technique

Sandwich thermal insulation concrete wall is a new type of thermal insulation and energy saving wall, which adopts the structure of double wall with thermal insulation board inside. The inner wall is the main structural wall for load-bearing and lateral force resistance, and the outer wall is the auxiliary fair-faced concrete wall that meets the requirements of the building decorative surface.

At present, the common construction method of sandwich insulation concrete wall is: first pour the inner wall, then paste the insulation board on the inner wall, and then construct the outer wall. This construction method divides the wall into two pours, which not only prolongs the The construction period, and it is difficult to ensure that the insulation board pasted on the inner wall will be displaced under the impact of the poured concrete.

SUMMARY OF THE INVENTION

Aiming at the problem that the existing sandwich insulation concrete wall is divided into two pours, which not only prolongs the construction period, but also makes it difficult to ensure the pouring quality. The purpose of the utility model is to provide a formwork fixing device for a sandwich heat preservation clean water wall, which combines the pulling and closing function of the pull screw and the limiting function of the fastener, and realizes the synchronous positioning of the formwork and the heat preservation board on both sides, Thereby, the one-time integral pouring of the inner wall and the outer wall of the sandwich thermal insulation clear water wall is realized, which saves materials, reduces costs, and saves construction time.

The technical scheme adopted by the utility model to solve the technical problem is: a formwork fixing device for a sandwich heat-insulating clean water wall, including:

a wall-penetrating screw, the wall-penetrating screw vertically penetrates the insulation board;

two fasteners, respectively sleeved on the wall-penetrating screw and fastened on both sides of the thermal insulation board;

Two conical nuts are respectively sleeved on both ends of the wall-penetrating screw, and the outer ends of the two conical nuts are respectively abutted against the formwork on both sides of the sandwich heat-insulating clean water wall to be poured, and the heat-insulating board is connected to a wall. The clear distance between the side formwork is the thickness of the inner wall, and the clear distance between the insulation board and the other side formwork is the thickness of the outer wall;

Two detachable outer rods are respectively arranged on both sides of the template, one end of the detachable outer rod vertically penetrates the template and is connected with the conical nut, and the other end of the detachable outer rod passes through the locking assembly fixed to the outside of the template.

The formwork fixing device of the sandwich heat-insulating clean water wall of the utility model has a three-segment structure; The nut and the through-wall screw are connected as a whole, so that the two templates are fixed on both sides of the insulation board, and the concrete pouring space for the inner wall and the outer wall is reserved. The outer rod and the conical nut make the sandwich thermal insulation clear water wall; since the position of the thermal insulation board is locked by two fasteners in advance, it can ensure that the position of the thermal insulation board will not be changed due to the pouring of concrete, which ensures the integrity of the sandwich thermal insulation clear water wall. Insulation effect; the formwork fixing device combines the pulling and closing function of the pull screw and the limiting function of the fastener, and realizes the synchronous positioning of the formwork and the insulation board on both sides, so as to realize the inner and outer walls of the sandwich thermal insulation dry water wall. The one-time overall pouring of the page wall saves materials, reduces costs, and saves the construction period; after the overall pouring of the sandwich thermal insulation clear water wall is completed, the conical nut can be disassembled and reused, which improves the pouring quality at the hole of the screw through the wall. The appearance of the wall is beautiful and tidy, and the pouring requirements of the fair-faced concrete wall are met.

Preferably, the wall-penetrating screw is provided with an external thread, and two fasteners provided with an internal thread can be threadedly connected with the wall-penetrating screw and fastened to both sides of the thermal insulation board.

Preferably, the tapered end of the outer diameter of the conical nut is close to the thermal insulation board.

Preferably, a gasket is also sleeved on the wall-penetrating screw, and the gasket is located between the fastener and the thermal insulation board.

Preferably, the gasket is a metal gasket, and the outer diameter of the gasket is greater than or equal to 50 mm, and the thickness is greater than or equal to 5 mm.

Preferably, the locking assembly includes a mountain-shaped fastener and a nut sequentially passing through the detachable outer rod, and the mountain-shaped fastener is fastened to the outside of the template and locked and fixed by the nut.

Description of drawings

1 is a schematic structural diagram of an embodiment of a formwork fixing device for a sandwich heat-insulating clean water wall of the present utility model after installation;

2 is a schematic structural diagram of a gasket in an embodiment of a formwork fixing device for a sandwich heat-insulating clean water wall of the present invention;

Figure 3 is a schematic structural diagram of the utility model after the completion of construction of the sandwich thermal insulation clear water wall.

The symbols in the figure are as follows:

Insulation board 1; inner wall 2; outer wall 3; formwork 5;

Wall screw 11; Fastener 12; Washer 14; Conical nut 15; Removable outer rod 16;

Detailed ways

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, the accompanying drawings are all in a very simplified form and in inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention. For the convenience of description, the "up" and "down" described below are consistent with the upper and lower directions of the drawings, but this cannot be a limitation of the technical solution of the present invention.

The formwork fixing device of the sandwich thermal insulation clear water wall of the present invention will be described with reference to Figures 1 to 3, which includes:

A wall-penetrating screw 11, the wall-penetrating screw 11 vertically penetrates the insulation board 1;

Two fasteners 12 are respectively sleeved on the through-wall screw 11 and fastened to both sides of the thermal insulation board 1;

Two conical nuts 15 are respectively sleeved on both ends of the wall-penetrating screw 11, and the outer ends of the two conical nuts 15 are respectively abutted against the formwork 5 on both sides of the sandwich heat-insulating clean water wall to be poured, and the wall-penetrating screw 11 The length is slightly less than the thickness of the sandwich thermal insulation clear water wall to be poured, the clear distance h1 between the thermal insulation board 1 and the formwork 5 on one side is the thickness of the inner wall 2, and the clear distance between the thermal insulation board 1 and the formwork 5 on the other side is the thickness of the inner wall 2. The distance h2 is the thickness of the outer wall 3;

Two detachable outer rods 16 are respectively arranged on both sides of the template 5, one end of the detachable outer rod 16 vertically penetrates the template 5 and is connected with the conical nut 15, and the other end of the detachable outer rod 16 is fixed on the Outside of template 5.

The formwork fixing device of the sandwich thermal insulation clean water wall of the present invention has a three-stage structure. The rod 16 is integrally connected with the through-wall screw 11 through the conical nut 15, thereby fixing the two templates 5 on both sides of the thermal insulation board 1, and at the same time reserving the concrete pouring space for the inner wall 2 and the outer wall 3, to be poured After the concrete reaches the strength required by the design, the detachable outer rod 16 and the conical nut 15 are removed to obtain a sandwich thermal insulation clear water wall; since the thermal insulation board 1 is pre-locked by two fasteners 12, the position of the thermal insulation board 1 can be guaranteed. It does not change due to the pouring of concrete, which ensures the thermal insulation effect of the sandwich thermal insulation clear water wall; the formwork 5 fixing device combines the pulling and closing function of the pulling screw and the limiting function of the fastener 12, and realizes the two-side formwork 5 and The synchronous positioning of the thermal insulation board 1 enables the one-time integral pouring of the inner wall 2 and the outer wall 3 of the sandwich thermal insulation clear water wall, saving materials, reducing costs, and saving the construction period; after the overall pouring of the sandwich thermal insulation clear water wall is completed , The conical nut 15 can be disassembled and reused, which improves the pouring quality at the hole of the threaded rod 11 through the wall, ensures the appearance and neatness of the wall, and meets the pouring requirements of the fair-faced concrete wall.

Preferably, the wall-penetrating screw 11 is provided with external threads, and the two fasteners 12 provided with internal threads can be threadedly connected with the wall-penetrating screw 11 and fastened to both sides of the thermal insulation board 1 . Since the fastener 12 can rotate flexibly along the wall-penetrating screw 11 , it can adapt to the thermal insulation boards 1 of different specifications and thicknesses, as well as the changing requirements of the positions of the thermal insulation boards 1 .

As shown in Figure 1, the tapered end of the outer diameter of the conical nut 15 is close to the insulation board 1. After the wall is poured and the formwork 5 is removed, the conical nut 15 can be unscrewed from the wall and reused, which is convenient for disassembly and assembly without will damage the wall.

More preferably, spacers 14 are also sleeved on the wall-penetrating screws 11 located on both sides of the insulation board 1. The spacers 14 are located between the fasteners 12 and the insulation board 1. The spacers 14 increase the distance between the fasteners 12 and the insulation board 1. The contact area between the thermal insulation boards 1 enables the fasteners 12 to lock the thermal insulation boards 1 more firmly. In this embodiment, the above-mentioned gasket 14 is a metal gasket 14, and the outer diameter of the gasket 14 is greater than or equal to 50 mm, and the thickness is greater than or equal to 5 mm.

As shown in FIG. 1 , the above-mentioned locking assembly includes a mountain-shaped fastener 17 and a nut 18 penetrating the detachable outer rod 16 in sequence. The mountain-shaped fastener 17 is buckled on the outside of the template 5 and is locked and fixed by the nut 18, so that the disassembly and assembly are performed. Template 5 is more convenient and faster.

Below in conjunction with Fig. 1 to Fig. 3, the construction process of the sandwich thermal insulation clear water wall of the present utility model is described, and the concrete steps are as follows:

S1: Set up formwork 5 on both sides of the thermal insulation board 1 and install a plurality of formwork 5 fixing devices for the sandwich thermal insulation clean water wall body as described in Example 1, the through-wall screw 11 vertically penetrates the thermal insulation board 1, Two fasteners 12 are respectively sleeved on the side to clamp the insulation board 1, and the two ends of the through-wall screw 11 are respectively connected with conical nuts 15, and one end of the detachable outer rod 16 is connected to the conical nuts 15 through the template 5, The other end of the detachable outer rod 16 is fixed to the outside of the formwork 5 through the locking assembly, so that the clear distance between the heat preservation board 1 and the one side formwork 5 is the thickness of the inner wall 2, and the heat preservation board 1 and the other The clear distance between the side formwork 5 is the thickness of the outer wall 3;

S2: Concrete is poured between the formwork 5 on both sides. After the concrete reaches the strength required by the design, the locking assembly is released, and the detachable outer rod 16, the formwork 5 on both sides and the conical nut 15 are removed in turn to obtain an integrally poured Sandwich insulation clean water wall.

To sum up, first of all, the through-wall screw 11 penetrates the insulation board 1 and is limited by the fasteners 12 installed on both sides of the insulation board 1 to prevent the position of the insulation board 1 from changing. 15 is connected with the through-wall screw 11 as a whole, so as to fix the two templates 5 on both sides of the insulation board 1, and reserve the concrete pouring space for the inner wall 2 and the outer wall 3 at the same time, and the concrete to be poured reaches the strength required by the design. Afterwards, the detachable outer rod 16 and the conical nut 15 are removed to obtain a sandwich thermal insulation clean water wall. Due to the synchronous positioning of the formwork 5 and the thermal insulation board 1 on both sides, the inner wall 2 and the outer wall of the sandwich thermal insulation clean water wall are realized. The one-time integral pouring of the wall 3 ensures that the position of the thermal insulation board 1 is not changed due to the pouring of concrete, and ensures the thermal insulation effect of the sandwich thermal insulation clear water wall. The construction method is easy to operate, saves materials, reduces costs, and saves construction time.

The above description is only a description of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the present utility model according to the above disclosure all belong to the scope of the claims.

Claims (6)

1. Template fixing device of clear water wall body of sandwich heat preservation, its characterized in that includes:

the wall-penetrating screw rod vertically penetrates through the heat insulation plate;

the two fasteners are respectively sleeved on the wall-penetrating screw and fastened on two sides of the heat-insulation plate;

the two conical nuts are respectively sleeved at two ends of the through-wall screw, the outer ends of the two conical nuts are respectively abutted against the templates at two sides of the sandwich heat-preservation clear water wall body to be poured, the clear distance between the heat preservation plate and the template at one side is the thickness of the inner leaf wall, and the clear distance between the heat preservation plate and the template at the other side is the thickness of the outer leaf wall;

two can dismantle outer poles set up respectively in the both sides of template, can dismantle the one end of outer pole run through perpendicularly behind the template with conical nut connects, the other end that can dismantle outer pole is fixed in through locking Assembly the outside of template.

2. The formwork fixing device for the sandwich heat-preservation clear water wall body according to claim 1, characterized in that: the wall-penetrating screw is provided with external threads, and the two fasteners with the internal threads can be in threaded connection with the wall-penetrating screw and fastened on two sides of the heat-insulation plate.

3. The formwork fixing device for the sandwich heat-preservation clear water wall body according to claim 1, characterized in that: one end of the conical nut with the gradually reduced outer diameter is close to the heat insulation plate.

4. The formwork fixing device for the sandwich heat-preservation clear water wall body according to claim 1, characterized in that: the wall-penetrating screw is further sleeved with a gasket, and the gasket is located between the fastening piece and the heat insulation plate.

5. The formwork fixing device for the sandwich heat-preservation clear water wall body according to claim 4, characterized in that: the gasket is a metal gasket, the outer diameter of the gasket is larger than or equal to 50mm, and the thickness of the gasket is larger than or equal to 5 mm.

6. The formwork fixing device for the sandwich heat-preservation clear water wall body according to claim 1, characterized in that: the locking assembly comprises a mountain-shaped fastener and a nut which sequentially penetrate through the detachable outer rod, and the mountain-shaped fastener is buckled on the outer side of the template and locked and fixed by the nut.

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