A prefabricated building fire smoke exhaust duct

Abstract

This utility model discloses a prefabricated building fire smoke exhaust duct, belonging to the technical field of fire smoke exhaust duct hoisting components. A fixing component is movably connected to the surface of the smoke exhaust duct body. The fixing component includes a limiting plate, a support plate inserted into the side of the limiting plate, and locking mechanisms engaged at both ends of the support plate. A support plate is movably connected to the bottom of the locking mechanism. A hanger rod is fixedly connected to one end of the support plate, and a fixing plate is fixedly connected to the other end of the hanger rod. Bolt holes are opened on the surface of the fixing plate. This prefabricated building fire smoke exhaust duct, through the setting of the support plate, plug, limiting plate, and locking sleeve, facilitates the user to manually and quickly lock the fixing component to the fire smoke exhaust duct, improving construction efficiency. Furthermore, through the setting of the support plate, plug, positioning block, and positioning hole, it facilitates the user to quickly insert and pre-position the fire smoke exhaust duct with the hanger rod without affecting the axial movement adjustment of the fire smoke exhaust duct, improving ease of use.

Description

Technical Field

[0001] This utility model relates to the technical field of fire-fighting smoke exhaust duct hoisting components, and more specifically, to a fire-fighting smoke exhaust duct for prefabricated buildings. Background Technology

[0002] Prefabricated buildings are a type of building where some or all of the building components are prefabricated in a factory and then transported to the construction site for assembly.

[0003] Currently, the assembly of hoisting components for fire exhaust ducts in prefabricated buildings is cumbersome and time-consuming during construction, reducing construction efficiency and making it difficult to adjust the axial direction of the exhaust duct after hoisting. For example, a new type of fire exhaust duct disclosed in publication number CN 217927495 U includes a fire exhaust duct body, a connecting rod set on the top of the fire exhaust duct body, and a connecting component set on the fire exhaust duct body, wherein the connecting component is hooked to the connecting rod.

[0004] As can be seen from the above-mentioned disclosed scheme, when the fire exhaust duct body is connected and assembled with the connecting components, the height of the stabilizing rod needs to be adjusted by thread to avoid the stabilizing rod being too high and affecting the connection of the connecting components. This is cumbersome and time-consuming, reducing construction efficiency. Furthermore, the connecting components will cause axial shaking after being connected with the connecting rod. Moreover, the tie rod and sliding ring restrict the axial movement adjustment of the fire exhaust duct body, which brings certain inconvenience to the construction of the fire exhaust duct. Utility Model Content

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a prefabricated building fire smoke exhaust duct. This prefabricated building fire smoke exhaust duct, through the setting of a support plate, plug, limiting plate and locking sleeve, makes it easy for users to manually and quickly lock the fixing components to the fire smoke exhaust duct, improving construction efficiency. Furthermore, through the setting of a tray, plug rod, positioning block and positioning hole, it is easy for users to quickly insert and pre-position the fire smoke exhaust duct with the hanger, without affecting the axial movement adjustment of the fire smoke exhaust duct, thus improving the convenience of use.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A prefabricated building fire-fighting smoke exhaust duct includes a smoke exhaust duct body. A fixing component is movably connected to the surface of the smoke exhaust duct body. The fixing component includes a limiting plate, a support plate inserted into the side of the limiting plate, and locking mechanisms engaged at both ends of the support plate. A support plate is movably connected to the bottom of the locking mechanism. A hanger rod is fixedly connected to one end of the support plate, and a fixing plate is fixedly connected to the other end of the hanger rod. Bolt holes are formed on the surface of the fixing plate, and expansion bolts are movably connected to the inner wall of the bolt holes. One end of each expansion bolt is fastened to the roof. This prefabricated building fire-fighting smoke exhaust duct, through the support plate, plug, limiting plate, and locking sleeve, allows users to quickly and manually lock the fixing component to the fire-fighting smoke exhaust duct, improving construction efficiency. Furthermore, the support plate, plug, positioning block, and positioning hole facilitate quick insertion and pre-positioning of the fire-fighting smoke exhaust duct with the hanger rod without affecting the axial movement adjustment of the fire-fighting smoke exhaust duct, improving ease of use.

[0008] Furthermore, the locking mechanism includes a locking sleeve, one end of which has a locking groove. A second locking tooth is fixedly connected to the inner wall of the locking groove. The second locking tooth is inclined. After the second locking tooth engages with the first locking tooth, the position of the locking sleeve can be quickly fixed.

[0009] Furthermore, a positioning block is fixedly connected to one end of the locking sleeve. The surface of the positioning block has a positioning hole, which is strip-shaped. The inner wall of the positioning hole is slidably connected to the surface of the plug rod. The positioning hole is strip-shaped and will not affect the connection between the locking sleeve and the plug.

[0010] Furthermore, plugs are fixedly connected to both ends of the support plate, and first locking teeth with equal spacing are fixedly connected to the sides of the plugs. The first locking teeth are made of elastic metal and can be deformed when squeezed, which facilitates the engagement of the second locking teeth with the first locking teeth.

[0011] Furthermore, the tray is L-shaped, and a rod is fixedly connected to the surface of the tray. The surface of the rod is provided with external threads. The tray can support the positioning block, and the rod can prevent the positioning block from falling off the tray.

[0012] Furthermore, the limiting plate is U-shaped, and the side of the limiting plate has an insertion hole. The limiting plate can restrict the upward and lateral movement of the exhaust pipe body.

[0013] Furthermore, the support plate and the limiting plate together have a lifting hole, which is used to support the exhaust pipe body. Moreover, when the lifting hole is not closed in place, it is convenient for the lifted exhaust pipe body to be moved axially for adjustment.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] (1) This solution uses a support plate, plug, limit plate and locking sleeve to make it easy for users to manually lock the fixing components to the fire exhaust pipe quickly, thus improving construction efficiency.

[0016] (2) This solution, through the setting of the support plate, insertion rod, positioning block and positioning hole, makes it easy for users to quickly insert and pre-position the fire smoke exhaust pipe and the hanger, and will not affect the axial movement adjustment of the fire smoke exhaust pipe, thus improving the ease of use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of the tray and fixing components of this utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the locking mechanism structure;

[0020] Figure 4 for Figure 2 A schematic diagram of the support plate structure;

[0021] Figure 5 for Figure 2 A schematic diagram of the limiting plate structure.

[0022] Explanation of the labels in the diagram:

[0023] 1. Exhaust duct body; 2. Hanger rod; 21. Fixing plate; 22. Support plate; 23. Insert rod; 3. Fixing component; 4. Support plate; 41. Plug; 42. First locking tooth; 5. Limiting plate; 51. Insertion hole; 6. Locking mechanism; 61. Locking sleeve; 62. Locking groove; 63. Second locking tooth; 64. Positioning block; 65. Positioning hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] Please see Figure 1-5A prefabricated building fire smoke exhaust duct includes a smoke exhaust duct body 1. Both ends of the smoke exhaust duct body 1 are provided with connecting flanges to facilitate the end-to-end connection of two adjacent smoke exhaust duct bodies 1. A fixing component 3 is movably connected to the surface of the smoke exhaust duct body 1, facilitating the insertion and pre-positioning of the smoke exhaust duct body 1 with a support plate 22. The fixing component 3 includes a limiting plate 5, and a support plate 4 is inserted into the side of the limiting plate 5. The support plate 4 can support the bottom of the smoke exhaust duct body 1 and simultaneously close the opening of the limiting plate 5. Locking mechanisms 6 are engaged at both ends of the support plate 4, and the locking mechanism 6 includes a locking sleeve 61. One end of 61 has a locking groove 62, and the inner wall of the locking groove 62 is fixedly connected to a second locking tooth 63. The second locking tooth 63 is set at an angle. After the second locking tooth 63 engages with the first locking tooth 42, the position of the locking sleeve 61 can be quickly fixed. The bottom of the locking mechanism 6 is movably connected to a support plate 22. One end of the support plate 22 is fixedly connected to a hanger 2. The hanger 2 is a telescopic structure that can adjust the height position of the exhaust pipe body 1 after it is lifted. The other end of the hanger 2 is fixedly connected to a fixing plate 21. The surface of the fixing plate 21 has bolt holes, and the inner wall of the bolt holes is movably connected to an expansion bolt. One end of the expansion bolt is fastened to the roof.

[0027] One end of the locking sleeve 61 is fixedly connected to a positioning block 64. The surface of the positioning block 64 has a positioning hole 65. The positioning hole 65 is strip-shaped. The inner wall of the positioning hole 65 is slidably connected to the surface of the insertion rod 23. The positioning hole 65 is a strip-shaped hole, which will not affect the connection between the locking sleeve 61 and the plug 41. The two ends of the support plate 4 are fixedly connected to the plug 41. The sides of the plug 41 are fixedly connected to the first locking teeth 42, which are evenly distributed. The first locking teeth 42 are made of elastic metal. The first locking teeth 42 can be deformed when squeezed, which facilitates the engagement of the second locking teeth 63 with the first locking teeth 42. The limiting plate 5 is U-shaped. The side of the limiting plate 5 has an insertion hole 51. The limiting plate 5 can limit the upward and lateral movement of the exhaust pipe body 1.

[0028] The support plate 22 is L-shaped, and a rod 23 is fixedly connected to the surface of the support plate 22. The surface of the rod 23 is provided with external threads. The support plate 22 can support the positioning block 64, and the rod 23 can prevent the positioning block 64 from falling off the support plate 22. The support plate 4 and the limiting plate 5 enclose a lifting hole. The lifting hole is used to lift the smoke exhaust pipe body 1. Moreover, when the lifting hole is not closed in place, it is convenient for the lifted smoke exhaust pipe body 1 to be axially moved and adjusted.

[0029] During construction of this prefabricated building fire exhaust duct, the hanger 2 can be fixed to the roof first using expansion bolts. Then, after the exhaust duct body 1 is transported to the ground at the hoisting location, the limiting plate 5 is inserted from top to bottom into a suitable position on the surface of the exhaust duct body 1. At this time, the lower opening of the limiting plate 5 can be opened. Then, the plugs 41 at both ends of the support plate 4 are inserted into the insertion holes 51 of the limiting plate 5. Next, the locking sleeve 61 is manually inserted into the plug 41, so that the first locking tooth 42 engages with the second locking tooth 63. However, the locking sleeve 61 should not be fully inserted so that the limiting plate 5 does not clamp the exhaust duct body 1, facilitating later adjustment of the shaft of the exhaust duct body 1. Adjust the position, then lift the exhaust pipe body 1 so that the positioning block 64 contacts the support plate 22, and at the same time insert the rod 23 into the positioning hole 65. At this time, the exhaust pipe body 1 completes the pre-positioning of the hoisting. After the axial position adjustment of the exhaust pipe body 1 is completed, insert the locking sleeve 61 and the plug 41 into place, so that the limiting plate 5 and the support plate 4 are tightly fitted on the surface of the exhaust pipe body 1, making it unable to move axially. Then, tighten the manual nut and the rod 23 clockwise to fix the hoisting position of the exhaust pipe body 1. The hoisting height of the exhaust pipe body 1 can also be adjusted by adjusting the length of the lifting rod 2.

[0030] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A prefabricated building fire-fighting smoke exhaust duct, comprising a smoke exhaust duct body (1), characterized in that: The surface of the exhaust duct body (1) is movably connected to a fixing component (3). The fixing component (3) includes a limiting plate (5). A support plate (4) is inserted into the side of the limiting plate (5). A locking mechanism (6) is snapped into both ends of the support plate (4). A support plate (22) is movably connected to the bottom of the locking mechanism (6). A hanger (2) is fixedly connected to one end of the support plate (22). A fixing plate (21) is fixedly connected to the other end of the hanger (2). Bolt holes are opened on the surface of the fixing plate (21). An expansion bolt is movably connected to the inner wall of the bolt hole. One end of the expansion bolt is fastened to the roof.

2. The prefabricated building fire-fighting smoke exhaust duct according to claim 1, characterized in that: The locking mechanism (6) includes a locking sleeve (61), one end of which has a locking groove (62), and the inner wall of the locking groove (62) is fixedly connected with a second locking tooth (63), which is inclined.

3. A prefabricated building fire-fighting smoke exhaust duct according to claim 2, characterized in that: One end of the locking sleeve (61) is fixedly connected to a positioning block (64), and the surface of the positioning block (64) has a positioning hole (65), which is strip-shaped.

4. A prefabricated building fire-fighting smoke exhaust duct according to claim 1, characterized in that: The support plate (4) is fixedly connected to plugs (41) at both ends, and the sides of the plugs (41) are fixedly connected to first teeth (42) that are evenly distributed. The first teeth (42) are made of elastic metal.

5. A prefabricated building fire-fighting smoke exhaust duct according to claim 1, characterized in that: The tray (22) is L-shaped, and a rod (23) is fixedly connected to the surface of the tray (22). The surface of the rod (23) is provided with external threads.

6. A prefabricated building fire-fighting smoke exhaust duct according to claim 1, characterized in that: The limiting plate (5) is U-shaped, and the side of the limiting plate (5) has an insertion hole (51).

7. A prefabricated building fire-fighting smoke exhaust duct according to claim 1, characterized in that: The support plate (4) and the limiting plate (5) together have lifting holes.

Images