Fireproof single-layer reticulated shell in fire

Abstract

The utility model discloses a fireproof single-layer reticulated shell in fire hazard, relates to the building technical field, and comprises a fixed seat, the outer wall of the fixed seat is symmetrically provided with mounting grooves, the inner parts of the mounting grooves are slidingly connected with rod pieces, the surfaces of the rod pieces are provided with grooves, the bottom of the inner cavity of the fixed seat is rotatably connected with a screw rod, and the screw rod is rotatably connected with the screw rod. And the outer surface of the screw rod is in threaded connection with a moving disc, the outer wall of the moving disc is fixedly connected with a mounting plate, and the lower surface of the mounting plate is fixedly connected with a positioning rod. According to the fixing device, the screw rod is rotated, then under the action of the threads, the movable disc drives the mounting plate and the positioning rod to move downwards along the mounting groove, then the positioning rod enters the groove in the rod piece, the rod piece is fixed through the positioning rod, and therefore a plurality of rod pieces can be fixed without screwing a plurality of bolts; and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, and more specifically to a single-layer reticulated shell for fire prevention in a fire. Background Technique

[0002] A reticulated shell is a spatial bar system structure similar to a flat grid. Its main feature is a spatial framework formed by arranging bars according to a certain rule to form a grid and arranging them according to the shell structure.

[0003] In the Chinese utility model patent application number: CN202223288601.6, there is disclosed a rectangular tube single-layer reticulated shell structure with a hybrid connection form. The structure includes bolt connection nodes, welded nodes, and bars. The bolt connection nodes adopt two bolts for upper and lower connections. For this rectangular tube single-layer reticulated shell structure with a hybrid connection form, multiple bolts are used to connect and fix the bars, which is a time-consuming process and thus reduces the installation efficiency.

[0004] Therefore, it is necessary to propose a single-layer reticulated shell for fire prevention in a fire to solve the above problems. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] The purpose of the present utility model is to solve the problem that in the existing rectangular tube single-layer reticulated shell structure with a hybrid connection form in the background technique, multiple bolts are used to connect and fix the bars, which is a time-consuming process and thus reduces the installation efficiency. The present utility model provides a single-layer reticulated shell for fire prevention in a fire.

[0007] (2) Technical Solutions

[0008] The present utility model specifically adopts the following technical solutions to achieve the above purpose:

[0009] A single-layer reticulated shell for fire prevention in a fire includes a fixed seat. Installation grooves are symmetrically formed on the outer wall of the fixed seat. A bar is slidably connected inside the installation groove. A groove is formed on the surface of the bar. A screw rod is rotatably connected to the bottom of the inner cavity of the fixed seat. A moving disk is threadedly connected to the outer surface of the screw rod. A mounting plate is fixedly connected to the outer wall of the moving disk. A positioning rod is fixedly connected to the lower surface of the mounting plate.

[0010] Further, the positioning rod corresponds to the groove, which is convenient for the positioning rod to limit the bar.

[0011] Further, the mounting plate corresponds to the installation groove, and the installation groove can limit the mounting plate.

[0012] Further, a protective layer is provided on the outer surface of the rod member. A first heat-insulating layer is provided on the surface of the protective layer. A second heat-insulating layer is provided on the surface of the first heat-insulating layer. A base layer is provided on the surface of the second heat-insulating layer. A flame-retardant layer is provided on the surface of the base layer.

[0013] Further, the flame-retardant layer is made of triphosphate ester, and triphosphate ester has good flame-retardant properties.

[0014] Further, the first heat-insulating layer is made of expanded vermiculite, and expanded vermiculite has good heat-insulating properties and can effectively prevent heat transfer.

[0015] Further, the second heat-insulating layer is made of aluminum silicate fiber, and aluminum silicate fiber has excellent high-temperature resistance and low thermal conductivity and can effectively prevent heat transfer.

[0016] (III) Beneficial effects

[0017] The beneficial effects of the present utility model are as follows:

[0018] 1. In the present utility model, by rotating the screw rod, under the action of the thread, the moving disk drives the mounting plate and the positioning rod to move downward along the mounting groove, and then the positioning rod will enter the groove on the rod member, so that the positioning rod fixes the rod member, thus realizing the fixation of multiple rod members without screwing multiple bolts, improving the installation efficiency.

[0019] 2. In the present utility model, through the mutual cooperation among the base layer, the first heat-insulating layer, the flame-retardant layer and the second heat-insulating layer, the fire resistance of the rod member can be improved, thereby prolonging the service life of the rod member. Description of the drawings

[0020] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0021] Figure 2 is a three-dimensional schematic diagram of a partial structure of the present utility model;

[0022] Figure 3 is a three-dimensional schematic diagram of the fixed seat of the present utility model;

[0023] Figure 4 is a cross-sectional schematic diagram of the rod member of the present utility model;

[0024] Figure 5 is the present utility model Figure 4 is an enlarged schematic diagram of the structure of area A in

[0025] Reference numerals: 1, fixed seat; 2, protective layer; 3, base layer; 4, first heat insulation layer; 5, flame retardant layer; 6, second heat insulation layer; 7, rod; 8, moving plate; 9, screw; 10, positioning rod; 11, mounting plate; 12, mounting groove. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1

[0028] Please refer to Figures 1-5 , a single-layer reticulated shell for fire prevention, including a fixed seat 1. Mounting grooves 12 are symmetrically opened on the outer wall of the fixed seat 1. A rod 7 is slidably connected inside the mounting groove 12. Grooves are opened on the surface of the rod 7. The bottom of the inner cavity of the fixed seat 1 is rotatably connected with a screw 9. A moving plate 8 is threadedly connected to the outer surface of the screw 9. A mounting plate 11 is fixedly connected to the outer wall of the moving plate 8. The mounting plate 11 corresponds to the mounting groove 12. The mounting groove 12 can limit the mounting plate 11. A positioning rod 10 is fixedly connected to the lower surface of the mounting plate 11. The positioning rod 10 corresponds to the groove, which is convenient for the positioning rod 10 to limit the rod 7.

[0029] In this embodiment, by rotating the screw 9, under the action of the thread, the moving plate 8 drives the mounting plate 11 and the positioning rod 10 to move downward along the mounting groove 12. Then the positioning rod 10 will enter the groove on the rod 7, so that the positioning rod 10 fixes the rod 7. Thus, it is possible to fix multiple rods 7 without screwing multiple bolts, improving the installation efficiency.

[0030] Embodiment 2

[0031] Please refer to Figures 1-5 , this embodiment is a further optimization based on Embodiment 1. Specifically, a protective layer 2 is provided on the outer surface of the rod 7. A first heat insulation layer 4 is provided on the surface of the protective layer 2. A second heat insulation layer 6 is provided on the surface of the first heat insulation layer 4. A base layer 3 is provided on the surface of the second heat insulation layer 6. A flame retardant layer 5 is provided on the surface of the base layer 3. The flame retardant layer 5 is made of tripolyphosphate ester, and tripolyphosphate ester has good flame retardant performance.

[0032] Specifically, the first heat insulation layer 4 is made of expanded vermiculite. Expanded vermiculite has good heat insulation performance and can effectively prevent the transfer of heat.

[0033] Specifically, the second heat insulation layer 6 is made of aluminum silicate fiber, which has excellent high-temperature resistance and low thermal conductivity and can effectively prevent heat transfer.

[0034] In this embodiment, through the mutual cooperation among the base layer 3, the first heat insulation layer 4, the flame retardant layer 5 and the second heat insulation layer 6, the fire resistance of the rod member 7 can be improved, thereby prolonging the service life of the rod member 7.

[0035] Working principle: Rotate the screw rod 9, and then under the action of the thread, the moving plate 8 drives the mounting plate 11 to move downward along the mounting groove 12. Then the mounting plate 11 drives the positioning rod 10 to move downward along the mounting groove 12, so that the positioning rod 10 enters the groove on the rod member 7, and the positioning rod 10 fixes the rod member 7.

[0036] To sum up: For this utility model, by rotating the screw rod 9, and then under the action of the thread, the moving plate 8 drives the mounting plate 11 and the positioning rod 10 to move downward along the mounting groove 12. Then the positioning rod 10 will enter the groove on the rod member 7, and the positioning rod 10 fixes the rod member 7, so that it is possible to fix multiple rod members 7 without screwing multiple bolts, improving the installation efficiency. Through the mutual cooperation among the base layer 3, the first heat insulation layer 4, the flame retardant layer 5 and the second heat insulation layer 6, the fire resistance of the rod member 7 can be improved, thereby prolonging the service life of the rod member 7.

[0037] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. The patent protection scope of the present utility model is subject to the claims. All equivalent structural changes made by using the description and drawings of the present utility model should be included in the protection scope of the present utility model by the same token.

Claims

1. A single-layer reticulated shell for fire prevention in a fire, comprising a fixed seat (1), characterized in that: The outer wall of the fixed seat (1) is symmetrically provided with mounting grooves (12). A rod member (7) is slidably connected inside the mounting groove (12). Grooves are provided on the surface of the rod member (7). The bottom of the inner cavity of the fixed seat (1) is rotatably connected with a screw rod (9). A moving disk (8) is threadedly connected to the outer surface of the screw rod (9). A mounting plate (11) is fixedly connected to the outer wall of the moving disk (8). A positioning rod (10) is fixedly connected to the lower surface of the mounting plate (11).

2. The single-layer reticulated shell for fire prevention in a fire according to claim 1, characterized in that: The positioning rod (10) corresponds to the groove.

3. A single-layer reticulated shell for fire prevention in a fire according to claim 1, characterized in that: The mounting plate (11) corresponds to the mounting groove (12).

4. A single-layer reticulated shell for fire prevention in a fire according to claim 1, characterized in that: A protective layer (2) is provided on the outer surface of the rod member (7). A first heat insulation layer (4) is provided on the surface of the protective layer (2). A second heat insulation layer (6) is provided on the surface of the first heat insulation layer (4). A base layer (3) is provided on the surface of the second heat insulation layer (6). A flame retardant layer (5) is provided on the surface of the base layer (3).

5. A single-layer reticulated shell for fire prevention in a fire according to claim 4, characterized in that: The flame retardant layer (5) is made of tripolyphosphate ester.

6. A single-layer reticulated shell for fire prevention in a fire according to claim 4, characterized in that: The first heat insulation layer (4) is made of expanded vermiculite.

7. A single-layer reticulated shell for fire prevention in a fire according to claim 4, characterized in that: The second heat insulation layer (6) is made of aluminum silicate fiber.

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