Steel surface inorganic magnesium silicon crystal fireproof air pipe

Abstract

The utility model relates to the technical field of fireproof air pipes, in particular to a steel surface inorganic magnesium silicon crystal fireproof air pipe, which is characterized in that an inner layer and an outer layer of the air pipe are connected through a connecting device, so that the inner layer and the outer layer are prevented from being misplaced, and the fireproof performance is prevented from being influenced by extrusion of an interlayer space. The air pipes can be conveniently detached and interlayers can be conveniently replaced through the hanging device, the air pipe connecting positions are connected and sealed through the butt joint device, smoke overflowing from the connecting positions in the using process is reduced, and the practicability of the device is improved; comprising a connecting device, a hoisting device and a butt joint device, the hoisting device is installed on the connecting device, and the butt joint device is installed on the connecting device.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof air ducts, in particular to a steel-faced inorganic magnesium silicate crystal fireproof air duct. Background Technique

[0002] A fireproof air duct is a duct that can maintain its structural and functional characteristics for a certain period of time to prevent the spread of fire. It is usually made of synthetic materials such as fiberglass and polymers, which have high thermal insulation performance and non-combustibility; its structure is usually composed of a single-layer steel plate and an inorganic silicon crystal plate composite.

[0003] In the prior art, the Chinese utility model patent with the application number CN202221043946.2 relates to a new type of fireproof air duct, including a chute, a boss, a connecting plate, a suspension rod, a fixed circular plate, a motor, etc., which can detect whether the flame enters the fireproof air duct and raise the fireproof partition to block the spread of the flame.

[0004] However, after the above device is used for a long time, it does not have the ability to replace the inner layer of the plate, and the connection structure between its air ducts has poor sealing performance, and it is easy to have the situation of smoke leakage. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a steel-faced inorganic magnesium silicate crystal fireproof air duct, which connects the inner layer and the outer layer of the air duct through a connecting device, thereby preventing misalignment between the inner layer and the outer layer, causing extrusion of the sandwich space and affecting the fireproof performance. The lifting device facilitates the disassembly of the air duct and the replacement of the sandwich. The butt joint device seals the connection of the air duct, reduces the smoke overflowing at the connection during use, and improves the practicability of the device.

[0006] A steel-faced inorganic magnesium silicate crystal fireproof air duct of the utility model; includes a connecting device, a hoisting device and a butt joint device. The hoisting device is installed on the connecting device, and the butt joint device is installed on the connecting device; the inner layer and the outer layer of the air duct are connected through the connecting device, thereby preventing misalignment between the inner layer and the outer layer, causing extrusion of the sandwich space and affecting the fireproof performance. The lifting device facilitates the disassembly of the air duct and the replacement of the sandwich. The butt joint device seals the connection of the air duct, reduces the smoke overflowing at the connection during use, and improves the practicability of the device.

[0007] Preferably, the connecting device includes an inner pipe, an outer pipe, a positioning connection seat, a positioning groove and a positioning bolt. Multiple groups of positioning connection seats are evenly arranged on the lower end surface of the inner pipe. A positioning groove and a threaded hole are arranged on the lower end surface of the positioning connection seat. The left and right parts of the outer pipe are respectively folded to the top by bending, and a pipe is formed by docking at the middle position of the top of the outer pipe. The inner pipe is located inside the outer pipe. A limiting groove is arranged at the lower part of the outer pipe corresponding to the positioning groove on the positioning connection seat. The lower part of the outer pipe is connected to the threaded hole on the positioning connection seat through a positioning bolt. Through the positioning groove and the limiting groove at the lower part of the outer pipe, it is convenient to quickly position the position between the inner pipe and the outer pipe. By connecting the positioning bolt to the threaded hole on the positioning connection seat, the position between the inner pipe and the outer pipe is fixed, preventing the dislocation between the inner pipe and the outer pipe caused by the external environment, affecting the size of the sandwich space and preventing the bottom sandwich from being compressed and deformed during long-term use. Through the bending process of the left and rear parts of the outer pipe, it is convenient to put and install the inner pipe and the sandwich material, improving the practicability of the device.

[0008] Preferably, the hoisting device includes a fishbone frame, a hoisting arm, a connection seat and a lead screw. The fishbone frame is located on the butt joint gap on the upper end surface of the outer pipe. Multiple groups of hoisting arms are evenly arranged on the left and rear parts of the fishbone frame. The hoisting arm is in a C shape to surround the side surface of the outer pipe and support the bottom of the outer pipe. The main body of the fishbone frame and the lower part of the hoisting arm are connected to the outer pipe through bolts. A connection seat is arranged on the upper part of some hoisting arms. The lead screw is connected to the connection seat through a nut. By covering the butt joint seam at the top of the outer pipe through the fishbone frame, and cooperating with multiple groups of hoisting arms to surround the outer pipe main body and fixing it with bolts, it is convenient for the installation, disassembly and maintenance of the equipment. By means of the lead screw and the connection seat, it is convenient for the hoisting and fixing of the air duct, improving the practicability of the device.

[0009] Preferably, the docking device includes a connecting plate, a short sleeve, a docking hole and a connecting hole. The connecting plate is connected with a short sleeve on its side surface and is provided with multiple groups of docking holes. The short sleeve can be sleeved on the connecting end surface of the outer pipe. Multiple groups of connecting holes are arranged on the short sleeve. The connecting plate is sleeved on the outer pipe through the short sleeve, fixing the port of the outer pipe and cooperating with the connecting hole and the bolt to be fixed on the port of the outer pipe, fixing the structure of the outer pipe port area, preventing the deformation of the outer pipe port area, and facilitating the connection between two groups of outer pipes through the docking holes on the connecting plate.

[0010] Preferably, it further includes positioning nails. Multiple groups of positioning nails are arranged on the side surface of the connecting plate connected to the outer pipe. The positions of the multiple groups of positioning nails are located in the area between the outer pipe and the inner pipe. By inserting multiple groups of positioning nails into the side surface of the sandwich between the outer pipe and the inner pipe, the position of the side surface of the sandwich is fixed, preventing the edge of the sandwich material from deforming during long-term use, and improving the practicability of the device.

[0011] Preferably, it further includes inorganic magnesium silicate crystal vertical plates and inorganic magnesium silicate crystal horizontal plates. A group of inorganic magnesium silicate crystal vertical plates are respectively filled in the left and right parts between the inner pipe and the outer pipe, and a group of inorganic magnesium silicate crystal horizontal plates are respectively filled in the upper and lower parts between the two groups of inorganic magnesium silicate crystal vertical plates between the inner pipe and the outer pipe. A plurality of positioning holes are arranged at the positions corresponding to the plurality of positioning connection seats on the lower inorganic magnesium silicate crystal horizontal plate; through the positioning holes on the lower inorganic magnesium silicate crystal horizontal plate, the position of the bottom inorganic magnesium silicate crystal horizontal plate is limited, and in cooperation with the two groups of inorganic magnesium silicate crystal vertical plates on the side and the upper inorganic magnesium silicate crystal horizontal plate, the situation of local extrusion and displacement of all the inorganic magnesium silicate crystal vertical plates and inorganic magnesium silicate crystal horizontal plates during the installation process is reduced, and the practicability of the device is improved.

[0012] Preferably, it further includes a sealing groove and a sealing strip. Two groups of sealing grooves are arranged on the butting surfaces of the upper connecting plates of adjacent outer pipes, and sealing strips are placed in the sealing grooves; the butt joint and fixation between the connecting plates are sealed through the sealing grooves and the sealing strips, reducing the situation of smoke and dust overflow at the connection port during the use of the air duct, and improving the practicability of the device.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The connection device is used to connect between the inner layer and the outer layer of the air duct, thereby preventing misalignment between the inner layer and the outer layer, causing the sandwich space to be squeezed and affecting the fire protection performance. The lifting device facilitates the disassembly of the air duct and the replacement of the sandwich. The butting device connects and seals the connection part of the air duct, reducing the smoke overflow at the connection part during use, and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is the axonometric structural schematic diagram of the connection device of the present utility model;

[0016] Figure 3 is the axonometric structural schematic diagram of the butting device of the present utility model;

[0017] Figure 4 is the axonometric structural schematic diagram of the inner pipe;

[0018] Figure 5 is the sectional structural schematic diagram of the present utility model;

[0019] Figure 6 is the first partial enlarged structural schematic diagram of the present utility model;

[0020] Figure 7 is the second partial enlarged structural schematic diagram of the present utility model;

[0021] Labels in the attached drawings: 1, inner tube; 2, outer tube; 3, positioning connection seat; 4, positioning groove; 5, positioning bolt; 6, fishbone frame; 7, lifting arm; 8, connection seat; 9, lead screw; 10, connecting plate; 11, short sleeve; 12, docking hole; 13, connection hole; 14, positioning nail; 15, inorganic magnesium silicate crystal vertical plate; 16, inorganic magnesium silicate crystal horizontal plate; 17, sealing groove; 18, sealing strip. Detailed implementation mode

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant attached drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive. Embodiment

[0023] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 shown, the lifting device is installed on the connecting device, and the docking device is installed on the connecting device;

[0024] First, through the positioning holes on the lower inorganic magnesium silicate crystal horizontal plate 16, the position of the bottom inorganic magnesium silicate crystal horizontal plate 16 is limited. Then, through the positioning groove 4 and the limiting groove at the lower part of the outer tube 2, the position between the inner tube 1 and the outer tube 2 can be quickly positioned. The position between the inner tube 1 and the outer tube 2 is fixed by connecting the positioning bolt 5 with the threaded hole on the positioning connection seat 3. Then, the docking seam at the top of the outer tube 2 is covered by the fishbone frame 6. The fishbone frame 6 cooperates with multiple groups of lifting arms 7 to surround the main body of the outer tube 2 and is fixed by bolts. The connecting plate 10 is sleeved on the outer tube 2 through the short sleeve 11, the port of the outer tube 2 is fixed, and it is fixed on the port of the outer tube 2 by cooperating with the connection hole 13 and bolts to fix the structure in the port area of the outer tube 2. The docking and fixing between the connecting plates 10 are sealed by the sealing groove 17 and the sealing strip 18. Finally, the pipeline can be hoisted to the required position through the lead screw 9;

[0025] The connecting device includes an inner tube 1, an outer tube 2, a positioning connection seat 3, a positioning groove 4 and a positioning bolt 5. Multiple groups of positioning connection seats 3 are evenly arranged on the lower end surface of the inner tube 1. The lower end surface of the positioning connection seat 3 is provided with a positioning groove 4 and a threaded hole. The left and right parts of the outer tube 2 are respectively folded to the top by bending, and the pipeline is formed by docking at the middle position of the top of the outer tube 2. The inner tube 1 is located inside the outer tube 2. The lower part of the outer tube 2 is provided with a limiting groove corresponding to the positioning groove 4 on the positioning connection seat 3. The lower part of the outer tube 2 is connected with the threaded hole on the positioning connection seat 3 through the positioning bolt 5;

[0026] The hoisting device includes a fishbone frame 6, a hoisting arm 7, a connecting seat 8 and a lead screw 9. The fishbone frame 6 is located on the butt joint gap of the upper end face of the outer pipe 2. Multiple groups of hoisting arms 7 are evenly arranged on the left and rear parts of the fishbone frame 6. The hoisting arm 7 is in a C shape to surround the side face of the outer pipe 2 and support the bottom of the outer pipe 2. The main body of the fishbone frame 6 and the lower part of the hoisting arm 7 are connected to the outer pipe 2 by bolts. Connecting seats 8 are arranged on the upper parts of some of the hoisting arms 7. The lead screw 9 is connected to the connecting seat 8 through a nut.

[0027] The butt joint device includes a connecting plate 10, a short sleeve 11, butt joint holes 12 and connecting holes 13. The side face of the connecting plate 10 is connected with the short sleeve 11 and is provided with multiple groups of butt joint holes 12. The short sleeve 11 can be sleeved on the connecting end face of the outer pipe 2. Multiple groups of connecting holes 13 are arranged on the short sleeve 11.

[0028] It further includes positioning pins 14. Multiple groups of positioning pins 14 are arranged on the side face of the connecting plate 10 connected to the outer pipe 2. The positions of the multiple groups of positioning pins 14 are in the area between the outer pipe 2 and the inner pipe 1.

[0029] It further includes an inorganic magnesium silicate crystal vertical plate 15 and an inorganic magnesium silicate crystal horizontal plate 16. A group of inorganic magnesium silicate crystal vertical plates 15 are respectively filled on the left and right parts between the inner pipe 1 and the outer pipe 2. A group of inorganic magnesium silicate crystal horizontal plates 16 are respectively filled between the upper and lower parts between the two groups of inorganic magnesium silicate crystal vertical plates 15 between the inner pipe 1 and the outer pipe 2. Multiple groups of positioning holes are arranged on the lower inorganic magnesium silicate crystal horizontal plate 16 corresponding to the positions of the multiple groups of positioning and connecting seats 3.

[0030] The inner and outer layers of the air duct are connected through the connecting device, thereby preventing misalignment between the inner and outer layers, causing extrusion of the sandwich space and affecting the fire protection performance. The air duct can be easily disassembled and the sandwich can be replaced through the hoisting device. The connection at the joint of the air duct is connected and sealed through the butt joint device, reducing the smoke overflowing at the joint during use, and improving the practicability of the device.

[0031] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An inorganic magnesium silicate crystal fireproof air duct with a steel surface; characterized in that, It includes a connecting device, a hoisting device and a docking device. The hoisting device is installed on the connecting device, and the docking device is installed on the connecting device. The connecting device includes an inner pipe (1), an outer pipe (2), a positioning connecting seat (3), a positioning groove (4) and a positioning bolt (5). A plurality of groups of positioning connecting seats (3) are evenly arranged on the lower end surface of the inner pipe (1). A positioning groove (4) and a threaded hole are arranged on the lower end surface of the positioning connecting seat (3). The left and right parts of the outer pipe (2) are respectively bent to the top, and a pipe is formed by docking at the middle position of the top of the outer pipe (2). The inner pipe (1) is located inside the outer pipe (2). A limiting groove is arranged at the lower part of the outer pipe (2) corresponding to the positioning groove (4) on the positioning connecting seat (3). The lower part of the outer pipe (2) is connected to the threaded hole on the positioning connecting seat (3) through a positioning bolt (5). The hoisting device includes a fishbone frame (6), a hoisting arm (7), a connecting seat (8) and a lead screw (9). The fishbone frame (6) is located on the docking gap of the upper end surface of the outer pipe (2). A plurality of groups of hoisting arms (7) are evenly arranged on the left and rear parts of the fishbone frame (6). The hoisting arm (7) is in a C shape to surround the side surface of the outer pipe (2) and support the bottom of the outer pipe (2). The main body of the fishbone frame (6) and the lower part of the hoisting arm (7) are connected to the outer pipe (2) through bolts. A connecting seat (8) is arranged on the upper part of some hoisting arms (7). The lead screw (9) is connected to the connecting seat (8) through a nut. The docking device includes a connecting plate (10), a short sleeve (11), a docking hole (12) and a connecting hole (13). The side surface of the connecting plate (10) is connected with a short sleeve (11) and is provided with a plurality of groups of docking holes (12). The short sleeve (11) can be sleeved on the connecting end surface of the outer pipe (2). A plurality of groups of connecting holes (13) are arranged on the short sleeve (11).

2. The inorganic magnesium-based silicon crystal fireproof air duct with a steel surface according to claim 1, wherein, It further includes positioning pins (14). A plurality of groups of positioning pins (14) are arranged on the side surface of the connecting plate (10) connected to the outer pipe (2). The positions of the plurality of groups of positioning pins (14) are located in the area between the outer pipe (2) and the inner pipe (1).

3. A steel-faced inorganic magnesium silicate crystal fireproof air duct as described in claim 1, characterized in that, It further includes an inorganic magnesium silicate crystal vertical plate (15) and an inorganic magnesium silicate crystal horizontal plate (16). A group of inorganic magnesium silicate crystal vertical plates (15) are respectively filled on the left and right parts between the inner pipe (1) and the outer pipe (2). A group of inorganic magnesium silicate crystal horizontal plates (16) are respectively filled between the upper and lower parts between the two groups of inorganic magnesium silicate crystal vertical plates (15) between the inner pipe (1) and the outer pipe (2). A plurality of groups of positioning holes are arranged on the lower inorganic magnesium silicate crystal horizontal plate (16) corresponding to the positions of the plurality of groups of positioning connecting seats (3).

4. The inorganic magnesium-based silicon crystal fireproof air duct with a steel surface according to claim 1, wherein It further includes a sealing groove (17) and a sealing strip (18). Two groups of sealing grooves (17) are arranged on the docking surface of the connecting plate (10) on the adjacent outer pipe (2). The sealing strip (18) is placed in the sealing groove (17).

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