Assembled ventilating duct

Abstract

The utility model relates to the technical field of ventilation pipelines, and discloses an assembled ventilation pipeline which comprises a first pipeline, a fixing ring is attached to one end of the first pipeline, a second pipeline is attached to the outer wall of the fixing ring, a telescopic rod is fixedly connected to the interior of the fixing ring, a sealing ring is fixedly connected to one end of the telescopic rod, and the sealing ring is fixedly connected to the other end of the telescopic rod. The outer wall of the sealing ring is slidably connected to the interior of the fixing ring, the outer wall of the telescopic rod is sleeved with a spring, one end of the spring is fixedly connected to the interior of the fixing ring, the other end of the spring is fixedly connected to the interior of the sealing ring, and the outer wall of the fixing ring is fixedly connected with the fixing ring. According to the utility model, the problems that when pipeline parts need to be maintained or replaced, the pipeline parts are difficult to disassemble and assemble conveniently, and the maintenance difficulty and cost are increased are solved, and the purposes that the pipeline parts are disassembled and assembled conveniently and quickly, and a large amount of construction time and labor force can be saved are achieved, so that the installation efficiency of the whole ventilation system is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ventilation duct, especially, a kind of assembled ventilation duct. BACKGROUND

[0002] Ventilation duct is an indispensable component in modern architecture and industrial facilities, which is responsible for removing indoor and outdoor air, ensuring indoor air quality, maintaining pressure balance, and discharging harmful gases and steam in kitchen, bathroom and other areas. In the ventilation duct system, assembled ventilation duct is widely used due to its unique advantages

[0003] Traditional ventilation duct system is made of metal or plastic sheet material through cutting, bending and welding processes. In use, first, design and planning are needed according to the specific needs of architecture and engineering, then corresponding materials are prepared, and processing and manufacturing are carried out in factory or on site. Then, the processed parts are assembled on site into complete duct system, and debugging and testing are carried out to ensure that the system can work normally according to design requirements.

[0004] When using traditional ventilation duct, multiple ducts need to be connected, usually by welding connection at the connection of ducts. This makes it difficult to disassemble and assemble conveniently when maintenance or replacement of duct parts is needed, increasing the difficulty and cost of maintenance. UTILITY MODEL CONTENT

[0005] To make up for the above shortcomings, the utility model provides an assembled ventilation duct, aiming to improve the problem that ventilation duct is difficult to disassemble and assemble conveniently when maintenance or replacement of duct parts is needed, increasing the difficulty and cost of maintenance.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] An assembled ventilation duct, comprising a first duct, a fixed ring is attached to one end of the first duct, a second duct is attached to the outer wall of the fixed ring, and a telescopic rod is fixedly connected inside the fixed ring. One end of the telescopic rod is fixedly connected with a sealing ring, the outer wall of the sealing ring is slidingly connected inside the fixed ring, and the outer wall of the telescopic rod is sleeved with a spring. One end of the spring is fixedly connected inside the fixed ring, and the other end of the spring is fixedly connected inside the sealing ring.

[0008] The outer wall of the fixed ring is fixedly connected with a fixed ring, one end of the fixed ring is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a movable ring. The movable ring is attached to the fixed ring, the other end of the fixed ring is rotatably connected with a screw rod, and the outer wall of the screw rod is provided with a fixed assembly.

[0009] The fixed assembly comprises a nut, an inner wall of the nut is threadedly connected to an outer wall of the screw rod, a lower surface of the nut is fixedly connected with a gasket, and the gasket is attached to an outer wall of the movable ring.

[0010] The upper surfaces of the first pipe and the second pipe are fixedly connected with mounting pipes, and one end of the mounting pipe is attached with a connecting ring.

[0011] The outer wall of the connecting ring is fixedly connected with a fixed block, and the outer wall of the fixed block is fixedly connected with a rotating shaft.

[0012] The outer wall of the rotating shaft is rotatably connected with a rotating sleeve, and the rotating sleeve is rotatably connected with a threaded rod inside.

[0013] The connecting ring and the mounting pipe are both provided with mounting holes inside, and the outer wall of the threaded rod is slidably connected inside the connecting ring.

[0014] The outer wall of the threaded rod is slidably connected inside the mounting pipe, and the outer wall of the connecting ring is fixedly connected with a rubber plate.

[0015] The outer wall of the rubber plate is attached to the outer wall of the mounting pipe, and the outer wall of the connecting ring is fixedly connected with a fixed rod.

[0016] Compared with the prior art, the utility model has the advantages of the following:

[0017] 1、The utility model discloses a first pipe and a second pipe are placed at the both sides of the fixed ring respectively, then cooperate the telescopic rod and spring to push the sealing ring to carry out long -term stable sealing, then cooperate the fixed ring, the rotating shaft, the movable ring, the screw rod, the gasket realizes the connection, when the pipe component needs to be maintained or replaced, the difficult convenient disassembly increases the maintenance difficulty and the cost problem, reaches the convenient and quick disassembly, can save a lot of construction time and labor, thereby improves the whole ventilation system installation's efficiency.

[0018] 2、The utility model discloses a mounting pipe and connecting ring are attached, then cooperate the fixed block, the rotating shaft, the rotating sleeve, the threaded rod, the rubber plate, the mounting hole and the fixed rod to the pipe fixed, reaches quick installation and disassembly pipe, can shorten the construction period to save time and cost further. DRAWINGS

[0019] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the pipe structure schematic diagram of the utility model;

[0021] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0022] Figure 4 It is the inside structure schematic view of the connecting ring of the utility model;

[0023] Figure 5 It is Figure 2 The enlarged view of B in the middle.

[0024] Legend:

[0025] 1, first pipeline; 2, second pipeline; 3, fixed ring; 4, telescopic rod; 5, spring; 6, sealing ring; 7, fixed ring; 8, rotating shaft; 9, movable ring; 10, screw rod; 11, nut; 12, gasket; 13, mounting pipe; 14, fixed block; 15, rotating shaft; 16, rotating sleeve; 17, threaded rod; 18, rubber plate; 19, mounting hole; 20, connecting ring; 21, fixed rod. Specific embodiments

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Referring to Figures 1-3 A kind of assembled ventilation pipeline, including first pipeline 1, one end of first pipeline 1 is attached with fixed ring 3, the outer wall of fixed ring 3 is attached with second pipeline 2, telescopic rod 4 is fixedly connected in the inside of fixed ring 3;One end of telescopic rod 4 is fixedly connected with sealing ring 6, the outer wall of sealing ring 6 is slidably connected in the inside of fixed ring 3, the outer wall of telescopic rod 4 is equipped with spring 5;One end of spring 5 is fixedly connected in the inside of fixed ring 3, the other end of spring 5 is fixedly connected in the inside of sealing ring 6;

[0028] The outer wall of fixed ring 3 is fixedly connected with fixed ring 7, one end of fixed ring 7 is fixedly connected with rotating shaft 8, the outer wall of rotating shaft 8 is rotatably connected with movable ring 9;Movable ring 9 is attached with fixed ring 7, the other end of fixed ring 7 is rotatably connected with screw rod 10, and the outer wall of screw rod 10 is provided with fixed assembly, and fixed assembly includes nut 11, the inner wall of nut 11 is threadedly connected on the outer wall of screw rod 10, the lower surface of nut 11 is fixedly connected with gasket 12, and gasket 12 is attached on the outer wall of movable ring 9;

[0029] Specifically, first pipeline 1 and one end of second pipeline 2 are placed on the two sides of fixed ring 3 respectively, to ensure that the pipeline is completely attached with fixed ring 3, then spring 5 pushes sealing ring 6 into the pre-set sliding slot in the inside of first pipeline 1 and second pipeline 2, sealing ring 6 is closely attached with sliding slot, effectively preventing the leakage of liquid or gas in the pipeline;

[0030] Pull one end of the movable ring 9, make it gradually close to one end of the fixed ring 7, when they are close together, put the screw rod 10 into one end of the movable ring 9, then turn the nut 11, with the rotation of the nut 11, the gasket 12 begins to play a role, the friction between the movable ring 9 gradually increases, until they are tightly close together, finally when the nut 11 is completely tightened, the whole installation process is completed; It realizes stable and sealed installation connection, not only firm and reliable, but also simple and convenient operation, greatly improves the work efficiency.

[0031] Referring to Figure 1 , Figure 4 and Figure 5 , the upper surfaces of the first pipe 1 and the second pipe 2 are fixedly connected with the mounting pipe 13, one end of the mounting pipe 13 is close to the connecting ring 20, the outer wall of the connecting ring 20 is fixedly connected with the fixed block 14, the outer wall of the fixed block 14 is fixedly connected with the rotating shaft 15, the outer wall of the rotating shaft 15 is rotatably connected with the rotating sleeve 16, the inside of the rotating sleeve 16 is rotatably connected with the threaded rod 17, the inside of the connecting ring 20 and the mounting pipe 13 are both provided with mounting holes 19; the outer wall of the threaded rod 17 is slidably connected in the inside of the connecting ring 20, the outer wall of the threaded rod 17 is slidably connected in the inside of the mounting pipe 13, the outer wall of the connecting ring 20 is fixedly connected with the rubber plate 18, the outer wall of the rubber plate 18 is close to the outer wall of the mounting pipe 13, the outer wall of the connecting ring 20 is fixedly connected with the fixed rod 21;

[0032] Specifically, the mounting pipe 13 at the top of the first pipe 1 and the second pipe 2 is tightly close to the connecting ring 20, and the rubber plate 18 is specially arranged between the connecting ring 20 and the mounting pipe 13, which not only can reduce friction, but also can play a buffering role to protect the surface of the pipe from being damaged; pull the rotating sleeve 16 to make it freely rotate on the outer wall of the fixed block 14 and the rotating shaft 15, so that the rotating sleeve 16 can completely cover the connecting part of the connecting ring 20 and the mounting pipe 13, further strengthening the stability of the connection; finally, the threaded rod 17 is fixed by penetrating the connecting ring 20, the mounting pipe 13 and the rotating sleeve 16, ensuring the tightness and stability of the whole installation structure, so as to achieve the installation of the pipe.

[0033] When the assembled ventilation pipe needs to be used, first, one end of the first pipe 1 and the second pipe 2 is respectively placed on both sides of the fixed ring 3 and close to the fixed ring 3, then the sealing ring 6 is pushed into the pre-set sliding groove in the first pipe 1 and the second pipe 2 by the spring 5, so as to tightly close and realize sealing;

[0034] Pull one end of the movable ring 9 to move close to one end of the fixed ring 7, then move the screw rod 10 into one end of the movable ring 9, then turn the nut 11 to make the gasket 12 tightly close to the movable ring 9, fix the movable ring 9, so as to realize the installation and connection of the first pipe 1 and the second pipe 2;

[0035] First pipeline 1 and the second pipeline 2 top installation pipe 13 and the connecting ring 20 with the paste, while preventing wear and tear through the connecting ring 20 and installation pipe 13 between the rubber plate 18, then pull the rotating sleeve 16 in the fixed block 14 and the rotating shaft 15 outer wall rotation, make rotating sleeve 16 cover connecting ring 20 and installation pipe 13, threaded rod 17 through the connecting ring 20, installation pipe 13 and rotating sleeve 16 for fixed, reached the installation effect.

[0036] Finally should be noted that: the above only for the preferred embodiments of the present application have, and is not used to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An assembled ventilation duct, characterized by: The utility model provides a pipeline fixing device, including first pipeline (1), one end of first pipeline (1) is fitted with fixed ring (3), the outer wall of fixed ring (3) is fitted with second pipeline (2), the inside fixed connection of fixed ring (3) has telescopic link (4), one end fixed connection of telescopic link (4) has sealing ring (6), the outer wall of sealing ring (6) is connected in the inside of fixed ring (3), the outer wall of telescopic link (4) is equipped with spring (5), one end fixed connection of spring (5) is in the inside of fixed ring (3), the other end fixed connection of spring (5) is in the inside of sealing ring (6), The outer wall of fixed ring (3) is fixedly connected with a fixed ring (7), one end of the fixed ring (7) is fixedly connected with a rotating shaft (8), and the outer wall of the rotating shaft (8) is rotatably connected with a movable ring (9). The movable ring (9) is attached to the fixed ring (7), and the other end of the fixed ring (7) is rotatably connected with a screw rod (10). The outer wall of the screw rod (10) is provided with a fixed assembly.

2. An assembled ventilation duct according to claim 1, characterized in that: The fixed assembly includes a nut (11) that is threadedly connected to the outer wall of the screw rod (10). The lower surface of the nut (11) is fixedly connected with a gasket (12) that is attached to the outer wall of the movable ring (9).

3. An assembled ventilation duct according to claim 1, characterized in that: The upper surfaces of the first pipeline (1) and the second pipeline (2) are fixedly connected with a mounting pipe (13), and one end of the mounting pipe (13) is attached with a connecting ring (20).

4. An assembled ventilation duct according to claim 3, characterized in that: The outer wall of the connecting ring (20) is fixedly connected with a fixed block (14), and the outer wall of the fixed block (14) is fixedly connected with a rotating shaft (15).

5. An assembled ventilation duct according to claim 4, characterized in that: The outer wall of the rotating shaft (15) is rotatably connected with a rotating sleeve (16), and the inside of the rotating sleeve (16) is rotatably connected with a threaded rod (17).

6. An assembled ventilation duct according to claim 5, characterized in that: The interiors of the connecting ring (20) and the mounting pipe (13) are both provided with a mounting hole (19), and the outer wall of the threaded rod (17) is slidably connected in the interior of the connecting ring (20).

7. An assembled ventilation duct according to claim 6, c h a r a c t e r i s e d in that: The outer wall of the threaded rod (17) is slidably connected in the interior of the mounting pipe (13), and the outer wall of the connecting ring (20) is fixedly connected with a rubber plate (18).

8. An assembled ventilation duct according to claim 7, characterized in that: The outer wall of the rubber plate (18) is attached to the outer wall of the mounting pipe (13), and the outer wall of the connecting ring (20) is fixedly connected with a fixed rod (21).

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