Assembly type smoke exhaust air pipe convenient to assemble
Through the design of connecting the smoke exhaust ducts using the snap-in connection method, the cumbersome installation process of the existing smoke exhaust ducts is solved, and the rapid and flexible installation is achieved, and the construction efficiency is improved.
Patent Information
- Application Number
- CN202421390211.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The installation process of existing smoke exhaust ducts is complicated, and it is necessary to accurately align the flange holes and fix them with multiple bolts, resulting in long installation time and inflexible.
The prefabricated smoke exhaust duct connected by means of a snap-fit method achieves fast and flexible connection through the square cushion of the first pipe cavity and the card plate and through groove design of the second pipe.
It simplifies the installation process, reduces installation time and workload, improves construction efficiency, and can adjust the pipe length according to actual conditions to adapt to different installation environments and space limitations.
Smart Images

Figure CN222597042U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smoke exhaust duct assembly, in particular to an assembled smoke exhaust duct which is easy to assemble. Background Art
[0002] The smoke exhaust duct is a pipe used to exhaust smoke when a fire occurs. The normal operation of a good smoke exhaust system and related facilities will mean that when a fire occurs, smoke and harmful gases can be removed in time, allowing people to find an exit in time and evacuate safely.
[0003] During the existing installation of smoke exhaust ducts, the staff will check the specifications and dimensions of the duct, clean the flange and the connecting end face of the duct, accurately place the flange on the duct port, ensure that the flange and the duct are vertical and fit tightly, install the connecting bolts diagonally at the corresponding positions around the flange, tighten the bolts diagonally first, preliminarily fix the flange and the duct, and gradually tighten all the bolts evenly in sequence to complete the installation of the smoke exhaust duct.
[0004] However, this installation method has some defects. The smoke exhaust ducts at both ends are connected by flanges, and the flange installation process is relatively cumbersome, requiring precise alignment of the flange holes and the use of multiple bolts to fix them.
[0005] Therefore, it is necessary to provide an assembled smoke exhaust duct that is easy to assemble to solve the above technical problems. Utility Model Content
[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an assembled smoke exhaust duct that is easy to assemble and can be connected by snapping the exhaust smoke ducts at both ends together. The snap-fit connection has a simple design and makes installation more convenient and quick.
[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0008] An assembled smoke exhaust duct that is easy to assemble includes: a smoke exhaust pipe, the smoke exhaust pipe includes a first pipe and a second pipe, the first pipe and the second pipe are detachably combined and connected, a square slot is opened in the inner cavity of the first pipe, and pre-tightening bolts are symmetrically arranged on the outer end of the first pipe, a clamping plate is provided at one end of the second pipe, positioning holes are symmetrically arranged at both ends of the clamping plate, and a through groove is welded at the port of the second pipe, and the through groove and the clamping plate of the second pipe are respectively snap-fitted and connected to the notch and the square slot of the first pipe.
[0009] Preferably, the card plate is formed with a certain distance, and the positioning hole arrays set at both ends of the card plate are distributed on both sides of the card plate.
[0010] Preferably, the clamping plate is designed to be a square structure, and the clamping plate is adapted to the square clamping groove provided in the first pipe, and the clamping plate is embedded in the square clamping groove provided in the first pipe.
[0011] Preferably, a sealing ring is sleeved on the outer ring of the through groove provided in the second pipe, and the through groove and the sealing ring are matched and snap-fitted into the inner cavity provided in the first pipe.
[0012] Preferably, the outer ring of the through slot provided in the second pipe is also provided with a groove, and the sealing ring is sleeved in the groove provided in the through slot.
[0013] Preferably, the diameter of the through groove provided in the second pipe is matched with the diameter of the inner cavity of the first pipe, and the through groove and the sealing ring are embedded in the inner cavity of the first pipe.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] (1) The utility model connects the first pipe and the second pipe by means of a snap-fit combination. Compared with the traditional flange connection, the snap-fit connection is simple in design and makes installation more convenient and quick.
[0016] (2) The utility model forms a distance through the card plate, and a plurality of positioning holes are arranged in an array on the card plate. In actual use, the length of the connection between the first pipe and the second pipe can be adjusted according to actual conditions. By adjusting the length of the pipes at both ends, it can adapt to different installation environments and space restrictions, making the entire system more flexible and compatible;
[0017] (3) The utility model uses a clamping plate that is embedded in the square clamping groove of the first pipe for installation. The square clamping groove design can achieve rapid positioning and installation, reducing the time and workload required by traditional threaded connection or welding methods. This embedded installation makes the docking between components faster, thereby improving the overall construction efficiency of the project. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A schematic diagram of the overall structure of the assembled smoke exhaust duct provided by the utility model which is easy to assemble;
[0019] Figure 2 A schematic diagram of the connection structure of the first pipe and the second pipe of the assembled smoke exhaust duct which is easy to assemble provided by the utility model;
[0020] Figure 3 A schematic diagram of the structure of the first pipe and the second pipe of the assembled smoke exhaust duct which is easy to assemble provided by the utility model;
[0021] Figure 4A schematic diagram of the second pipe and sealing ring installation structure of the assembled smoke exhaust duct which is easy to assemble provided by the utility model.
[0022] Among them, the names corresponding to the figure marks are: 100, smoke exhaust pipe; 101, first pipe; 102, square slot; 103, pre-tightening bolt; 104, second pipe; 105, clamping plate; 106, positioning hole; 107, through slot; 108, sealing ring; 109, groove. DETAILED DESCRIPTION
[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments. The present invention includes but is not limited to the following embodiments.
[0024] First embodiment:
[0025] like Figure 1-4 As shown, the utility model provides an assembled smoke exhaust duct that is easy to assemble, including: a smoke exhaust pipe 100, the smoke exhaust pipe 100 includes a first pipe 101 and a second pipe 104, the first pipe 101 and the second pipe 104 are detachably combined and connected, the inner cavity of the first pipe 101 is provided with a square card slot 102, and the outer end of the first pipe 101 is symmetrically provided with a pre-tightening bolt 103, one end of the second pipe 104 is provided with a card plate 105, both ends of the card plate 105 are symmetrically provided with positioning holes 106, and a through groove 107 is welded at the end of the second pipe 104, and the through groove 107 provided on the second pipe 104 and the card plate 105 are respectively connected in a card-engaged manner to the notch provided on the first pipe 101 and the square card slot. In the groove 102, in actual use, the staff aligns one end of the second pipe 104 with the clamping plate 105 to the end of the square clamping groove 102 set in the first pipe 101, and then moves the second pipe 104 horizontally to one end through the first pipe 101 and the second pipe 104. At this time, the through groove 107 set at the end of the second pipe 104 is embedded in the inner cavity of the first pipe 101. When the through groove 107 is completely embedded in the inner cavity of the first pipe 101, the clamping plates 105 set at both ends of the second pipe 104 are inserted into the square clamping groove 102 set in the first pipe, and then cooperate with the pre-tightening bolt 103 set on the end side of the first pipe 101 to realize the assembly and installation of the first pipe 101 and the second pipe 104.
[0026] The first pipe 101 and the second pipe 104 are connected in combination by snap-fitting, which is simple in design and more convenient and quick to install than the traditional flange connection.
[0027] Second embodiment:
[0028] like Figure 2 As shown, the card board 105 is formed with a certain distance, and the positioning holes 106 set at both ends of the card board 105 are arranged in an array and distributed on both sides of the card board 105 .
[0029] A distance is formed by the provided card plate 105, and a plurality of positioning holes are distributed in an array on the card plate 105. In actual use, the length of the connection between the first pipe 101 and the second pipe 104 can be adjusted according to actual conditions. By adjusting the length of the pipes at both ends, it can adapt to different installation environments and space limitations, making the entire system more flexible and compatible.
[0030] Third embodiment:
[0031] like Figure 1-3 As shown, the clamping plate 105 is designed as a square structure, and the clamping plate 105 is adapted to the square clamping groove 102 provided in the first pipe 101 , and the clamping plate 105 is embedded in the square clamping groove 102 provided in the first pipe 101 .
[0032] The clamping plate 105 is installed by being engaged with the square clamping groove 102 of the first pipe 101. The design of the square clamping groove 102 can realize quick positioning and installation, reducing the time and workload required by traditional threaded connection or welding methods. This embedded installation makes the docking between components faster, thereby improving the construction efficiency of the overall project.
[0033] Fourth embodiment:
[0034] like Figure 3-4 As shown, a sealing ring 108 is sleeved on the outer ring of the through groove 107 provided in the second pipe 104 , and the through groove 107 and the sealing ring 108 cooperate and snap into the inner cavity provided in the first pipe 101 .
[0035] The use of the sealing ring 108 can effectively prevent gas leakage at the connection point, thereby ensuring the sealing and integrity of the system.
[0036] Fifth embodiment:
[0037] like Figure 3-4 As shown, the outer ring of the through groove 107 provided in the second pipe 104 is also provided with a groove 109 , and the sealing ring 108 is sleeved in the groove 109 provided in the through groove 107 .
[0038] The combination of the groove 109 and the sealing ring 108 allows for a more compact pipeline layout, which helps save space, especially in a space-constrained environment. At the same time, the sealing ring 108 is arranged in the groove 109 provided in the through groove 107. When the sealing ring needs to be replaced or the system maintenance needs to be performed, this design also makes disassembly and reassembly easier and faster.
[0039] Working principle: In actual use, the staff aligns one end of the second pipe 104 with the clamping plate 105 to the end of the square clamping groove 102 provided on the first pipe 101, and then moves the second pipe 104 horizontally to one end through the first pipe 101 and the second pipe 104. At this time, the through groove 107 provided at the end of the second pipe 104 is embedded in the inner cavity of the first pipe 101. When the through groove 107 is completely embedded in the inner cavity of the first pipe 101, the clamping plates 105 provided at both ends of the second pipe 104 are inserted into the square clamping groove 102 provided in the first pipe, and then cooperate with the pre-tightening bolt 103 provided on the end side of the first pipe 101 to realize the assembly and installation of the first pipe 101 and the second pipe 104.
[0040] The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.
Claims
1. An assembled smoke exhaust duct that is easy to assemble, characterized in that: include: A smoke exhaust pipe (100), the smoke exhaust pipe (100) comprising a first pipe (101) and a second pipe (104), the first pipe (101) and the second pipe (104) being detachably connected in combination, the inner cavity of the first pipe (101) being provided with a square clamping groove (102), and the outer end of the first pipe (101) being symmetrically provided with a pre-tightening bolt (103), one end of the second pipe (104) being provided with a clamping plate (105), both ends of the clamping plate (105) being symmetrically provided with positioning holes (106), and a through groove (107) being welded at the end of the second pipe (104), the through groove (107) provided on the second pipe (104) and the clamping plate (105) being respectively connected in a clamping manner to the notch provided on the first pipe (101) and the square clamping groove (102).
2. The easy-to-assemble assembled smoke exhaust duct according to claim 1, characterized in that: The card plate (105) is formed with a certain spacing, and the positioning holes (106) arranged at both ends of the card plate (105) are arranged in an array and distributed on both sides of the card plate (105).
3. The easy-to-assemble assembled smoke exhaust duct according to claim 2, characterized in that: The clamping plate (105) is designed to be of a square structure, and the clamping plate (105) is adapted to a square clamping groove (102) provided in the first pipe (101), and the clamping plate (105) is embedded in the square clamping groove (102) provided in the first pipe (101).
4. The easy-to-assemble assembled smoke exhaust duct according to claim 1, characterized in that: The outer ring of the through groove (107) provided in the second pipe (104) is also sleeved with a sealing ring (108), and the through groove (107) and the sealing ring (108) are matched and snap-fitted into the inner cavity provided in the first pipe (101).
5. The easy-to-assemble assembled smoke exhaust duct according to claim 4, characterized in that: The outer ring of the through groove (107) provided in the second pipe (104) is also provided with a groove (109), and the sealing ring (108) is sleeved in the groove (109) provided in the through groove (107).
6. The easy-to-assemble assembled smoke exhaust duct according to claim 5, characterized in that: The caliber of the through groove (107) provided in the second pipe (104) is compatible with the caliber of the inner cavity of the first pipe (101), and the through groove (107) and the sealing ring (108) are embedded in the inner cavity of the first pipe (101).