Multi-directional ventilation device

By installing partition shaft plates, anti-reversal plates, electrical control butterfly plates and sealing rings in the main ventilation ducts and ventilation ducts of the ventilation device, the problem of air duct backflow is solved and effective ventilation operations in the internal and external environment are achieved.

CN222824537UActive Publication Date: 2025-05-02HEXIAN KEJIA VALVE CASTING
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Patent Information

Application Number
CN202520563699.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-05-02
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

After the existing multi-tube ventilation structure closes one of the air outlets during use, the air duct will flow backwards on the inner side of the tube cavity, resulting in the inability to effectively realize ventilation operation in the internal and external environment.

Method used

A multi-directional ventilation device is designed, including the main ventilation duct and the ventilation duct. The main ventilation duct is equipped with a partition shaft plate and a reverse flow plate, and an electrical control butterfly plate and a sealing ring are installed in the ventilation duct. When the air flow refluxes, the damping partition is pushed open to prevent the air flow from flowing into the ventilation duct on the other side.

Benefits of technology

It effectively avoids airflow, ensures effective ventilation operation of the internal and external environment, and improves the performance of the ventilation device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222824537U_ABST
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Abstract

The utility model discloses a multi-directional ventilation device, and belongs to the technical field of ventilation devices. The multi-directional ventilation device comprises a main ventilation pipe and a ventilation air pipe, the main ventilation pipe comprises a flow dividing air pipe and a fan sleeve opening, the ventilation air pipe is connected with the main ventilation pipe through the flow dividing air pipe, a beam frame is arranged above the position between the main ventilation pipe and the ventilation air pipe, the beam frame is connected with the main ventilation pipe through a bolt, and the fan sleeve opening is connected with the main ventilation pipe through a bolt. Hydraulic cylinders are arranged at the two ends of the beam frame, and electric control butterfly plates are arranged in the hydraulic cylinders. After the valve plate in the ventilation air pipe is closed, the damping partition plate can be pushed away when airflow impacts the valve plate and flows back, so that the blocking effect is achieved, and the airflow is prevented from flowing into the ventilation air pipe on the other side.
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Description

Technical Field

[0001] The utility model relates to the technical field of ventilation devices, in particular to a ventilation device for multi-directional ventilation. Background Art

[0002] In the process of production and office in the workshop, due to the large number of people and the continuous operation of machinery, each workshop is often inseparable from ventilation devices. Ventilation devices are technologies that use natural or mechanical methods to allow wind to pass through without obstruction and reach the room or sealed environment to create a hygienic, safe and suitable air environment. Frequent ventilation can improve indoor air quality and is beneficial to health.

[0003] In the existing multi-tube ventilation structure, when one set of air outlets is closed during use, air duct backflow will occur inside the tube cavity, resulting in the inability to effectively realize ventilation operation between the internal and external environments. Utility Model Content

[0004] The purpose of the utility model is to provide a ventilation device with multi-directional ventilation. When the valve plate inside the ventilation duct is closed, the airflow will push the damping partition open when it hits the valve plate and flows back, thereby playing a blocking role and preventing the airflow from flowing to the ventilation duct on the other side, which can solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ventilation device for multi-directional ventilation, comprising a main ventilation duct and a ventilation duct, wherein the main ventilation duct comprises a bypass duct and a fan sleeve, the ventilation duct is connected to the main ventilation duct through the bypass duct, a beam is arranged above the main ventilation duct and the ventilation duct, the beam is connected to the main ventilation duct by bolts, wherein hydraulic cylinders are arranged at both ends of the beam, and an electric control butterfly plate is arranged inside the hydraulic cylinder.

[0006] Furthermore, an electric control butterfly plate is arranged inside the ventilation duct, and the electric control butterfly plate includes a central axis, wherein both ends of the central axis are provided with supporting bearings, and the electric control butterfly plate is rotatably connected to the ventilation duct through the supporting bearings.

[0007] Furthermore, a rocker arm is arranged above the central shaft, the central shaft is connected to the connecting rod through the rocker arm, and a sealing ring is arranged on the outer side of the electric control butterfly plate.

[0008] Furthermore, a partition axis plate is provided inside the main ventilation duct, and the partition axis plate is welded to the main ventilation duct, wherein an anti-backflow plate is provided between the partition axis plates, and the anti-backflow plate is located between the diversion air ducts.

[0009] Furthermore, the partition axis plate includes a horizontal partition and a guide partition, wherein the guide partition extends to the interior of the diversion air duct.

[0010] Furthermore, a damping baffle is provided at the front end of the guide baffle, and the damping baffle is rotationally connected to the guide baffle via a damping shaft.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the partition axis plate divides the interior of the main ventilation duct into multiple independent spaces, and the airflow flows along the cavity formed by the partition axis plate. When the airflow flows from the main ventilation duct to the ventilation duct, the damping partition is closed. When the valve plate inside the ventilation duct is closed, the airflow will push the damping partition open when it hits the valve plate and flows back, thereby playing a blocking role and preventing the airflow from flowing into the ventilation duct on the other side;

[0013] 2. In the utility model, the hydraulic cylinder drives the central axis and the electric control butterfly plate to rotate through the connecting rod. When the sealing ring on the outer side of the electric control butterfly plate fits with the pipe wall, the air cannot be discharged from the ventilation duct. At the same time, the opening angle of the electric control butterfly plate can be controlled to achieve the control of the air volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the electric control butterfly plate of the utility model.

[0017] In the figure: 1. main ventilation duct; 2. ventilation duct; 3. beam frame; 4. electric control butterfly plate; 101. diversion duct; 102. fan sleeve; 103. partition shaft plate; 104. anti-backflow plate; 1031. horizontal partition; 1032. guide partition; 1033. damping partition; 301. hydraulic cylinder; 302. connecting rod; 401. central shaft; 402. support bearing; 403. rocker arm; 404. sealing ring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In order to solve the problem that when one of the air outlets of the existing multi-tube ventilation structure is closed during use, the air duct will flow back inside the tube cavity, resulting in the inability to effectively realize the ventilation operation of the internal and external environments; please refer to Figure 1-3 , the utility model provides the following solutions:

[0020] A ventilation device for multi-directional ventilation includes a main ventilation duct 1 and a ventilation duct 2, wherein the main ventilation duct 1 includes a shunt duct 101 and a fan sleeve 102, the ventilation duct 2 is connected to the main ventilation duct 1 through the shunt duct 101, a beam frame 3 is arranged above the main ventilation duct 1 and the ventilation duct 2, the beam frame 3 is connected to the main ventilation duct 1 through bolts, wherein hydraulic cylinders 301 are arranged at both ends of the beam frame 3, an electric control butterfly plate 4 is arranged inside the hydraulic cylinder 301, the ventilation duct 2 is installed inside the building, and the main ventilation duct 1 is located outside the building, and a fan device is also installed on the outside of the main ventilation duct 1, and the fan device is used to transport the external air inward through the ventilation duct 2, and the hydraulic cylinder 301 is electrically controlled, which can realize remote operation, thereby realizing the independent opening and closing of each group of ventilation ducts 2;

[0021] An electric control butterfly plate 4 is arranged inside the ventilation duct 2, and the electric control butterfly plate 4 includes a central axis 401, wherein both ends of the central axis 401 are provided with support bearings 402, and the electric control butterfly plate 4 is rotatably connected to the ventilation duct 2 through the support bearings 402, and a rocker arm 403 is arranged above the central axis 401, and the central axis 401 is connected to the connecting rod 302 through the rocker arm 403, and a sealing ring 404 is arranged on the outside of the electric control butterfly plate 4, and the hydraulic cylinder 301 drives the central axis 401 and the electric control butterfly plate 4 to rotate through the connecting rod 302, when the sealing ring 404 on the outside of the electric control butterfly plate 4 is in contact with the pipe wall, the air cannot be discharged from the ventilation duct 2, and at the same time, the opening angle of the electric control butterfly plate 4 can be controlled to realize the control of the air volume;

[0022] The main ventilation duct 1 is provided with a partition axis plate 103 inside, and the partition axis plate 103 is welded to the main ventilation duct 1, wherein an anti-backflow plate 104 is provided between the partition axis plates 103, and the anti-backflow plate 104 is located between the diversion air ducts 101, and the partition axis plate 103 includes a horizontal partition plate 1031 and a guide partition plate 1032, wherein the guide partition plate 1032 extends to the inside of the diversion air duct 101, and a damping partition plate 1033 is provided at the front end of the guide partition plate 1032, and the damping partition plate 1033 The partition axis plate 103 is rotatably connected to the guide partition plate 1032 through the damping shaft, and divides the interior of the main ventilation duct 1 into a plurality of independent spaces. The airflow flows along the cavity formed by the partition axis plate 103. When the airflow flows from the main ventilation duct 1 to the ventilation duct 2, the damping partition plate 1033 is closed. When the valve plate inside the ventilation duct 2 is closed, the airflow will push the damping partition plate 1033 open when it hits the valve plate and flows back, thereby playing a blocking role and preventing the airflow from flowing to the ventilation duct 2 on the other side.

[0023] Working principle: the ventilation duct 2 is installed inside the building, and the main ventilation duct 1 is located outside the building. The fan equipment is used to transport the external air inward through the ventilation duct 2. The hydraulic cylinder 301 is electrically controlled and can be remotely operated, so as to realize the independent opening and closing of each group of ventilation ducts 2. The hydraulic cylinder 301 drives the central axis 401 and the electric control butterfly plate 4 to rotate through the connecting rod 302. When the sealing ring 404 on the outside of the electric control butterfly plate 4 fits with the pipe wall, the air cannot be discharged from the ventilation duct 2. At the same time, controlling the opening angle of the electric control butterfly plate 4 can realize the control of the air volume.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-directional ventilation device, characterized in that: The invention comprises a main ventilation duct (1) and a ventilation duct (2), wherein the main ventilation duct (1) comprises a flow-dividing duct (101) and a fan sleeve (102), the ventilation duct (2) is connected to the main ventilation duct (1) via the flow-dividing duct (101), a beam frame (3) is arranged above the main ventilation duct (1) and the ventilation duct (2), the beam frame (3) and the main ventilation duct (1) are connected via bolts, wherein hydraulic cylinders (301) are arranged at both ends of the beam frame (3), and an electric control butterfly plate (4) is arranged inside the hydraulic cylinder (301).

2. The multi-directional ventilation device according to claim 1, characterized in that: An electric control butterfly plate (4) is arranged inside the ventilation duct (2), and the electric control butterfly plate (4) comprises a central axis (401), wherein both ends of the central axis (401) are provided with supporting bearings (402), and the electric control butterfly plate (4) is rotatably connected to the ventilation duct (2) via the supporting bearings (402).

3. The multi-directional ventilation device according to claim 2, characterized in that: A rocker arm (403) is arranged above the central shaft (401), the central shaft (401) is connected to the connecting rod (302) via the rocker arm (403), and a sealing ring (404) is arranged on the outer side of the electric control butterfly plate (4).

4. The multi-directional ventilation device according to claim 1, characterized in that: A partition axis plate (103) is provided inside the main ventilation pipe (1), and the partition axis plate (103) is welded to the main ventilation pipe (1), wherein an anti-backflow plate (104) is provided between the partition axis plates (103), and the anti-backflow plate (104) is located between the diversion air pipes (101).

5. The multi-directional ventilation device according to claim 4, characterized in that: The partition axis plate (103) comprises a horizontal partition plate (1031) and a guide partition plate (1032), wherein the guide partition plate (1032) extends to the interior of the split air duct (101).

6. The multi-directional ventilation device according to claim 5, characterized in that: A damping baffle (1033) is provided at the front end of the guide baffle (1032), and the damping baffle (1033) is rotationally connected to the guide baffle (1032) via a damping shaft.