Air volume adjustable air pipe tee flow guide device
By designing an adjustable airflow duct T-junction guide device, and utilizing the movable connection and angle adjustment of the fixed ring and guide vanes, the problems of high resistance, high noise, and uneven airflow distribution of existing T-junction fittings are solved, achieving adjustable airflow distribution and noise reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SOXDUCT (WUHAN) AIR DISPERSION SYST CO LTD
- Filing Date
- 2025-09-10
- Publication Date
- 2026-07-24
AI Technical Summary
Existing air conditioning duct tees have problems such as high resistance, high noise, and uneven air volume distribution. In particular, 90° split tees have even greater resistance without the addition of air guides, and the air volume of the branch pipes cannot be adjusted.
Design a duct T-junction airflow guiding device with adjustable airflow, including a fixed ring and a guide vane. Airflow distribution is achieved through movable connection and angle adjustment. The position of the guide vane is locked by a rotating shaft and a fixed component, and the channel size is controlled to adjust the airflow.
It achieves adjustable airflow distribution, reduces the resistance of the tee fitting, improves the uniformity of airflow distribution, and reduces noise.
Smart Images

Figure CN224551742U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of central air conditioning duct technology, and in particular to a duct tee guide device with adjustable air volume. Background Technology
[0002] A tee is a pipe fitting used in a duct system to split or merge airflow. Specifically, depending on the direction of gas flow, a tee fitting can be used to split or merge airflow.
[0003] Existing air conditioning duct tees generally suffer from problems such as high resistance, high noise, and uneven airflow distribution, especially 90° split tees, which exhibit even greater resistance without additional airflow guides. To reduce tee resistance, the common practice is to design angled tees. However, angled tees have the following problems in practical applications: 1. Angled tees are difficult to manufacture and costly; 2. Angled tees cannot adjust and distribute the airflow in the branch ducts.
[0004] In summary, existing tee fittings cannot adjust the airflow of the distribution branch pipes. Utility Model Content
[0005] In view of this, it is necessary to provide an adjustable airflow duct T-junction flow guide device to solve the problem that existing T-junction fittings cannot adjust the airflow of the distribution branch pipes.
[0006] On one hand, this utility model embodiment provides an adjustable airflow duct T-junction flow guiding device, including a fixed ring and a flow guiding plate; the flow guiding plate is disposed inside the fixed ring and is movably connected to the fixed ring in a fixed manner, a first channel is formed between one side of the flow guiding plate and the fixed ring, and a second channel is formed between the other side of the flow guiding plate and the fixed ring.
[0007] Furthermore, the guide vane is a circular piece, and one of the central axes of the guide vane overlaps with one of the central axes of the fixing ring.
[0008] Furthermore, the guide vane is rotatably connected to the fixed ring to adjust the angle between the fixed ring and the guide vane.
[0009] Furthermore, it also includes a rotating shaft that passes through the guide vane, and both ends of the rotating shaft are rotatably connected to the circular holes opened on the fixed ring.
[0010] Furthermore, it also includes a fixing component, which is mounted on the fixing ring, and the fixing end of the fixing component can be connected to the guide plate to lock the guide plate in its current position.
[0011] Furthermore, the fixing component includes a positioning ring and a fixing device. The positioning ring and the fixing ring are arranged perpendicularly to each other and are fixedly connected. The positioning ring and the fixing ring are arranged concentrically. The fixing device is disposed on the positioning ring and can be connected to the guide plate.
[0012] Furthermore, the retainer includes a slider and a connecting screw. The slider is slidably connected to an arcuate groove on the positioning ring, and the connecting screw passes through the slider and is threadedly connected to a threaded hole on the outer wall of the guide vane.
[0013] Furthermore, the positioning ring is provided with an angle mark.
[0014] On the other hand, this utility model embodiment also provides a three-way pipe, including the air volume adjustable duct three-way guide device as described above, and also includes a main pipe and a branch pipe, wherein the branch pipe is connected to the side wall of the main pipe, and the fixing ring is fixedly disposed in the main pipe or the branch pipe or at the junction of the main pipe and the branch pipe.
[0015] Furthermore, the outer wall of the fixing ring is connected to the main pipe or the branch pipe or the junction of the main pipe and the branch pipe via the connector.
[0016] Compared with existing technologies, the fixed movable connection between the guide vane and the fixed ring allows for the adjustment of the angle between them before fixing them, thus controlling the size of the first and second channels. The sizes of the first and second channels are negatively correlated. The fixed ring can be installed inside the tee pipe, and the guide vane can achieve component adjustment. For example, the first channel can be aligned with the branch pipe of the tee pipe, and the first channel of the corresponding size can be configured according to the required air volume of the branch pipe, thereby realizing the air volume distribution process. Attached Figure Description
[0017] Figure 1 A schematic diagram of the overall structure of the adjustable airflow duct tee guide device provided in this embodiment of the utility model; Figure 2 This is a schematic diagram of the overall structure of a three-way pipe provided in an embodiment of the present utility model. Detailed Implementation
[0018] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.
[0019] like Figure 1As shown, the present invention provides an adjustable airflow duct tee guide device, including a fixed ring 100 and a guide plate 200; the guide plate 200 is disposed inside the fixed ring 100 and is movably connected to the fixed ring 100 in a fixed manner, a first channel is formed between one side of the guide plate 200 and the fixed ring 100, and a second channel is formed between the other side of the guide plate 200 and the fixed ring 100.
[0020] During implementation, due to the fixed movable connection between the guide vane 200 and the fixing ring 100, after adjusting the angle between the guide vane 200 and the fixing ring 100 and fixing them, the size of the first channel and the second channel can be controlled. The size of the first channel and the second channel are negatively correlated. The fixing ring 100 can be installed inside the tee pipe 400, and the guide vane 200 can realize the process of component adjustment. For example, the first channel can be aligned with the branch pipe 420 of the tee pipe 400, and the first channel of the corresponding size can be configured according to the required air volume of the branch pipe 420, thereby realizing the process of air volume distribution.
[0021] In this embodiment, the retaining ring 100 is installed on the inner wall of the main pipe 410 of the tee pipe 400, and at the same time provides support for the guide vane 200. By controlling the angle of the guide vane 200 relative to the retaining ring 100, the size of the first channel and the second channel formed by the guide vane 200 can be controlled.
[0022] Among them, the fixing ring 100 is a closed ring structure, and its shape and size are perfectly matched with the inner cross section of the air duct.
[0023] In one embodiment, the guide vane 200 is a circular piece, and one of the central axes of the guide vane 200 overlaps with one of the central axes of the fixing ring 100.
[0024] Of course, in other preferred embodiments, the number of guide vanes 200 can be one or more, and their shape can be circular, semi-circular, rectangular or other, as long as they can separate and form the first channel and the second channel described above.
[0025] It is understood that the “fixable movable connection” between the fixed ring 100 and the guide vane 200 refers to the fact that the position between the fixed ring 100 and the guide vane 200 can be adjusted, and the two can be fixed after the position is adjusted.
[0026] In one embodiment, the guide vane 200 and the retaining ring 100 can be connected separately. Specifically, the guide vane 200 and the retaining ring 100 can be manufactured separately. During assembly, the angle between the guide vane 200 and the retaining ring 100 is first determined, and then the guide vane 200 and the retaining ring 100 are connected by adhesive or screws.
[0027] In another embodiment, the guide vane 200 is rotatably connected to the fixed ring 100 to adjust the angle between the fixed ring 100 and the guide vane 200.
[0028] To enable relative rotation between the guide vane 200 and the fixed ring 100, this embodiment also includes a rotating shaft 210, which passes through the guide vane 200 and is rotatably connected to the circular holes opened on the fixed ring 100.
[0029] Of course, in other preferred embodiments, the above-mentioned rotating shaft 210 can also be replaced by two short shafts. The two short shafts are coaxially arranged, and the opposite ends of the two short shafts are fixedly connected to the outer wall of the guide vane 200. The opposite ends of the two short shafts are rotatably connected to the circular hole opened on the fixing ring 100.
[0030] After the guide vane 200 is rotated to the required angle, in order to avoid the guide vane 200 shaking due to the impact of the airflow inside the pipe, which would affect the airflow distribution effect, in one embodiment, a fixing component 300 is also included. The fixing component 300 is mounted on the fixing ring 100, and the fixing end of the fixing component 300 can be connected to the guide vane 200 to lock the guide vane 200 in the current position.
[0031] In this embodiment, the fixing component 300 includes a positioning ring 310 and a fixing device 320. The positioning ring 310 and the fixing ring 100 are arranged perpendicularly to each other and are fixedly connected. The positioning ring 310 and the fixing ring 100 are arranged concentrically. The fixing device 320 is disposed on the positioning ring 310 and can be connected to the guide plate 200.
[0032] It is understood that the positioning ring 310 and the fixing ring 100 may also be non-concentric, and both can achieve the purpose of this utility model embodiment.
[0033] The positioning ring 310 is a closed ring structure. It is perpendicular to and intersects with the fixing ring 100, and is connected and fixed at the intersection by welding, bonding, or screwing. The positioning ring 310 provides guidance for the rotation of the guide vane 200, preventing it from detaching from the fixing ring 100 during rotation. Simultaneously, the positioning ring 310 provides support for the installation of the fixture 320.
[0034] In one embodiment, the retainer 320 includes a slider and a connecting screw. The slider is slidably connected to an arcuate groove on the positioning ring 310, and the connecting screw passes through the slider and is threadedly connected to a threaded hole on the outer wall of the guide vane 200. After determining the position of the guide vane 200 relative to the retaining ring 100, the connecting screw is tightened, and the connecting screw moves towards the guide vane 200. At this time, a radial pressure is applied to the slider pointing towards the center of the positioning ring 310, which can force the slider to stop sliding, thereby achieving the function of fixing the guide vane 200.
[0035] To facilitate knowing and controlling the rotation angle of the guide vane 200, in one embodiment, an angle mark is provided on the positioning ring 310. It is understood that the aforementioned angle mark can be an angle scale set on the positioning ring 310, with different angles corresponding to different airflow volumes, facilitating airflow adjustment.
[0036] It should be noted that the aforementioned adjustable airflow duct T-junction guide device should be made of rigid material to ensure that it will not undergo significant deformation when subjected to airflow impact within the duct.
[0037] like Figure 2 As shown, on the other hand, this utility model embodiment also provides a three-way pipe 400, including the air volume adjustable duct three-way flow guiding device as described above, and also including a main pipe 410 and a branch pipe 420, with a fixing ring 100 fixedly disposed in the main pipe 410 or the branch pipe 420 or at the junction of the main pipe 410 and the branch pipe 420.
[0038] Example 1: A retaining ring 100 is disposed within the main pipe 410. The shape and size of the retaining ring 100 are adapted to the main pipe 410, and it is fixed within the main pipe 410 near the branch pipe 420. The first channel is positioned directly opposite the branch pipe 420, and the second channel is positioned away from the branch pipe 420. By adjusting the angle between the retaining ring 100 and the airflow within the main pipe 410, the airflow delivered to the branch pipe 410 can be controlled.
[0039] Example 2: A fixing ring 100 is disposed inside the branch pipe 420, and the shape and size of the fixing ring 100 are adapted to the branch pipe 420. By adjusting the angle between the fixing ring 100 and the airflow inside the branch pipe 420, the guide vane 200 is equivalent to a valve core structure. By rotating the guide vane 200, the minimum diameter of the first channel and the second channel can be adjusted, that is, the airflow rate through the branch pipe can be controlled.
[0040] Example 3: A fixing ring 100 is located at the junction of the main pipe 410 and the branch pipe 420. The shape and size of the fixing ring 100 are adapted to the branch pipe 420. The air inlet end (guide end) of the guide vane 200 is located inside the main pipe 410, and the air outlet end (drain end) of the guide vane 200 is located inside the branch pipe 420. The guide end and the drain end form a certain angle, which can be adjusted within the range of 0~180°.
[0041] In this embodiment, a connector is also included, and the outer wall of the fixing ring 100 is connected to the main pipe 410 or the branch pipe 420 or the junction of the main pipe 410 and the branch pipe 420 via the connector. In one embodiment, the connector can be used to connect the fixing ring 100 and the main pipe 410 through a structure such as a zipper, adhesive layer, welding layer, riveting structure or screwing structure.
[0042] Compared with the prior art: Due to the fixed movable connection between the guide vane 200 and the fixing ring 100, after adjusting the angle between the guide vane 200 and the fixing ring 100, the size of the first channel and the second channel can be controlled. The size of the first channel and the second channel are negatively correlated. The fixing ring 100 can be installed in the tee pipe 400, and the guide vane 200 can realize the process of component adjustment. For example, the first channel can be aligned with the branch pipe 420 of the tee pipe 400. The first channel of the corresponding size can be configured according to the required air volume of the branch pipe 420, thereby realizing the process of air volume distribution.
[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.
Claims
1. A duct tee guide device with adjustable airflow, characterized in that, include: retaining ring; A flow guide is disposed inside the fixed ring and is movably connected to the fixed ring in a fixed manner. A first channel is formed between one side of the flow guide and the fixed ring, and a second channel is formed between the other side of the flow guide and the fixed ring.
2. The adjustable airflow duct tee guide device according to claim 1, characterized in that, The guide vane is a circular piece, and one of the central axes of the guide vane overlaps with one of the central axes of the fixing ring.
3. The adjustable airflow duct tee guide device according to claim 1, characterized in that, The guide vane is rotatably connected to the fixed ring to adjust the angle between the fixed ring and the guide vane.
4. The adjustable airflow duct tee guide device according to claim 3, characterized in that, It also includes a rotating shaft that passes through the guide vane, and the two ends of the rotating shaft are rotatably connected to the circular holes opened on the fixed ring.
5. The adjustable airflow duct tee guide device according to claim 3, characterized in that, It also includes a fixing component, which is mounted on the fixing ring. The fixing end of the fixing component can be connected to the guide plate to lock the guide plate in its current position.
6. The adjustable airflow duct tee guide device according to claim 5, characterized in that, The fixing component includes a positioning ring and a fixing device. The positioning ring and the fixing ring are arranged perpendicularly to each other and are fixedly connected. The positioning ring and the fixing ring are arranged concentrically. The fixing device is disposed on the positioning ring and can be connected to the guide plate.
7. The adjustable airflow duct tee guide device according to claim 6, characterized in that, The fixture includes a slider and a connecting screw. The slider is slidably connected to an arc-shaped groove on the positioning ring, and the connecting screw passes through the slider and is threadedly connected to a threaded hole on the outer wall of the guide vane.
8. The adjustable airflow duct tee guide device according to claim 6, characterized in that, An angle mark is provided on the positioning ring.
9. A tee pipe, characterized in that, The device includes an adjustable airflow duct tee guide as described in any one of claims 1-8, and further includes a main pipe and a branch pipe, wherein the branch pipe is connected to the side wall of the main pipe, and the fixing ring is fixedly disposed in the main pipe, the branch pipe, or at the junction of the main pipe and the branch pipe.
10. The tee pipe according to claim 9, characterized in that, It also includes a connector, the outer wall of which is connected to the main pipe or the branch pipe or the junction of the main pipe and the branch pipe via the connector.