Side window type axial flow tuyere
By designing a side-opening axial flow ventilation opening, the problem of dust and snow accumulation in grain warehouse ventilation openings was solved, achieving a ventilation effect that is reliable in structure, simple in operation, and easy to maintain.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOGRAIN CHONGQING JIANGJIN STORAGE CO LTD
- Filing Date
- 2025-02-28
- Publication Date
- 2026-05-01
AI Technical Summary
Existing grain warehouse ventilation openings are prone to accumulating dust and rain/snow, and are easily damaged in open-air environments, making inspection and maintenance inconvenient.
Design a side-opening axial flow vent, including an upper pipe and a lower pipe. The upper pipe is vertically connected to the lower pipe. An inclined cover plate and a ventilation pipe are provided. The ventilation pipe opening is hinged to a cover plate and fixed by a pin for easy opening and closing.
It effectively prevents the accumulation of dust and snow, has a reliable structure, is easy to operate, is suitable for outdoor environments, is not easily damaged, and is convenient to inspect and maintain.
Smart Images

Figure CN224178704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of axial flow ventilation technology, specifically a side-opening axial flow ventilation outlet. Background Technology
[0002] A grain silo is a facility used to store grain. During the storage process, some gases are produced and need to be expelled from the silo. Fresh air from outside enters the silo, and ventilation openings are usually installed at the top of the silo. Exhaust fans are installed inside the ventilation openings. When exhaust is needed, the ventilation openings are opened and the exhaust fans work, thus expelling the air inside the silo. Timely ventilation ensures that the oxygen concentration in the air inside the silo remains at a certain level, allowing personnel to work normally inside the silo. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a side-opening axial flow ventilation opening to solve the problems mentioned in the background art.
[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution.
[0005] This utility model provides a side-opening axial flow ventilation outlet, including a lower pipe and an upper pipe. The upper pipe is vertically located at the upper end of the lower pipe. The lower surface of the upper pipe is connected to the upper surface of the lower pipe. The interiors of the upper pipe and the lower pipe are connected. The upper surface of the upper pipe is inclined and is provided with a cover plate.
[0006] The surface of the upper pipe is provided with a ventilation pipe perpendicular to the upper pipe, the interior of the ventilation pipe is connected to the upper pipe, the opening of the ventilation pipe is hinged with a cover plate, the surface of the upper pipe is provided with a support rod perpendicular to the upper pipe, and the end of the support rod away from the upper pipe is provided with an insertion hole.
[0007] A pin sleeve is provided at the center of the front of the cover plate away from its pivot point, and a pin is slidably disposed in the pin sleeve, with the front end of the pin facing the insertion hole.
[0008] Preferably, a first connecting ring is provided around the lower surface of the lower tube body, a second connecting ring is provided around the upper surface of the lower tube body, and a third connecting ring is provided around the lower surface of the upper tube body. The second connecting ring and the third connecting ring are connected by multiple bolts.
[0009] Preferably, the area of the cover plate is larger than the area of the ventilation pipe outlet, and a wire hole communicating with the interior of the lower pipe body is provided on the upper part of the surface of the lower pipe body.
[0010] Preferably, there are two ventilation pipes symmetrically distributed on the surface of the upper pipe body, and the rotation axes of the two cover plates are far apart from each other.
[0011] Preferably, the surface of the pin sleeve is provided with a through groove that penetrates the pin sleeve, the through groove being provided along the length direction of the pin sleeve, the surface of the pin being provided with a handle block, the handle block being slidably installed in the through groove; and the end of the support rod away from the upper tube body is provided with an insertion hole.
[0012] Preferably, the surfaces of the first connecting ring and the second connecting ring are provided with multiple through holes, and there are two ventilation pipes symmetrically distributed on the surface of the upper pipe body.
[0013] Preferably, the surface of the third connecting ring is provided with multiple through holes; the second connecting ring and the third connecting ring are connected by multiple bolts.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] The upper pipe is installed vertically at the top of the lower pipe. The interiors of the upper and lower pipes are connected. The lower surface of the lower pipe and the first connecting ring are bolted to the opening on the top of the grain silo, so that air inside the grain silo can enter the lower and upper pipes.
[0016] The upper end of the upper pipe is inclined and is equipped with a cover plate, so that dust and rain and snow are not easy to accumulate on the cover plate. Two ventilation pipes are provided on the surface of the upper pipe, which connect to the inside of the upper pipe, so that the air inside the upper pipe can be discharged through the ventilation pipes.
[0017] The ventilation duct opening is hinged with a cover plate, which can block the outlet of the ventilation duct so that dust and rain and snow in the air will not enter the upper duct body; the surface of the cover plate is provided with a sliding pin, and the surface of the upper duct body is provided with a support rod perpendicular to the upper duct body. The front end of the support rod is provided with a hole, and the front end of the pin is facing the hole. When the pin enters the hole, the cover plate is fixed.
[0018] When ventilation is needed, slide the pin to disengage it from the socket, and the cover can be opened. The air in the grain silo can then be exhausted through the lower pipe, upper pipe, and two ventilation pipes. The entire device is reliable in structure, simple and convenient to operate, and not easily damaged in the open environment on the top of the grain silo. It is also relatively easy to inspect and maintain. Attached Figure Description
[0019] Figure 1 This is a perspective view of the cover plate of this utility model when it is closed;
[0020] Figure 2 This is a three-dimensional view of the cover plate of this utility model when it is opened;
[0021] Figure 3 This is a perspective view of the pin sleeve and the latch of this utility model.
[0022] In the diagram: 1. Lower pipe body; 11. First connecting ring; 12. Second connecting ring; 13. Wire hole; 2. Upper pipe body; 21. Third connecting ring; 22. Cover plate; 23. Ventilation pipe; 24. Cover plate; 25. Support rod; 26. Insertion hole; 27. Pin; 271. Handle block; 28. Pin sleeve; 281. Through groove. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] like Figure 1-3 As shown, a side-opening axial flow vent includes a lower pipe body 1 and an upper pipe body 2. The upper pipe body 2 is vertically located at the upper end of the lower pipe body 1. The lower surface of the upper pipe body 2 is connected to the upper surface of the lower pipe body 1. The interiors of the upper pipe body 2 and the lower pipe body 1 are connected. The upper surface of the upper pipe body 2 is inclined and is provided with a cover plate 22, so that the gas in the grain silo can pass through the interiors of the lower pipe body 1 and the upper pipe body 2.
[0026] The surface of the upper pipe body 2 is provided with a ventilation pipe 23 perpendicular to the upper pipe body 2. The interior of the ventilation pipe 23 is connected to the upper pipe body 2. The opening of the ventilation pipe 23 is hinged with a cover plate 24. The surface of the upper pipe body 2 is provided with a support rod 25 perpendicular to the upper pipe body 2. The end of the support rod 25 away from the upper pipe body 2 is provided with an insertion hole 26.
[0027] A pin sleeve 28 is provided in the center of the front of the cover plate 24 away from its pivot. A pin 27 is slidably disposed in the pin sleeve 28, with the front end of the pin 27 facing the insertion hole 26.
[0028] A first connecting ring 11 is provided around the lower surface of the lower pipe body 1, a second connecting ring 12 is provided around the upper surface of the lower pipe body 1, and a third connecting ring 21 is provided around the lower surface of the upper pipe body 2. The second connecting ring 12 and the third connecting ring 21 are connected by multiple bolts.
[0029] The area of the cover plate 24 is larger than the area of the outlet of the ventilation pipe 23, and a wire hole 13 connecting the inside of the lower pipe body 1 is provided on the upper part of the surface of the lower pipe body 1.
[0030] There are two ventilation pipes 23, symmetrically distributed on the surface of the upper pipe body 2, and the pivots of the two cover plates 24 are far apart from each other.
[0031] The surface of the pin sleeve 28 is provided with a through groove 281 that passes through the pin sleeve 28. The through groove 281 is provided along the length direction of the pin sleeve 28. The surface of the pin 27 is provided with a handle block 271, which is slidably installed in the through groove 281.
[0032] The surfaces of the first connecting ring 11 and the second connecting ring 12 are provided with multiple through holes.
[0033] The surface of the third connecting ring 21 is provided with multiple through holes.
[0034] In summary: the upper pipe 2 is installed vertically at the upper end of the lower pipe 1. The interiors of the upper pipe 2 and the lower pipe 1 are connected. The lower surface of the lower pipe 1 and the first connecting ring 11 are bolted to the opening on the top surface of the grain silo, so that the air inside the grain silo can enter the lower pipe 1 and the upper pipe 2.
[0035] The upper end of the upper pipe body 2 is inclined and is provided with a cover plate 22, so that dust and rain and snow are not easy to accumulate on the cover plate 22. Two ventilation pipes 23 are provided on the surface of the upper pipe body 2, which connect to the inside of the upper pipe body 2, so that the air inside the upper pipe body 2 can be discharged through the ventilation pipes 23.
[0036] A cover plate 24 is hinged to the opening of the ventilation duct 23. The cover plate 24 can block the outlet of the ventilation duct 23, so that dust and rain and snow in the air will not enter the upper pipe body 2. A sliding pin 27 is provided on the surface of the cover plate 24. A support rod 25 perpendicular to the upper pipe body 2 is provided on the surface of the upper pipe body 2. A socket 26 is provided at the front end of the support rod 25. The front end of the pin 27 faces the socket 26. When the pin 27 enters the socket 26, the cover plate 24 is fixed.
[0037] When ventilation is needed, slide the pin 27 to disengage it from the socket 26, and the cover plate 24 can be opened. The air in the grain silo can then be discharged through the lower pipe 1, the upper pipe 2, and the two ventilation pipes 23. The entire device is reliable in structure, simple and convenient to operate, and not easily damaged in the open environment on the top of the grain silo. It is also relatively easy to inspect and maintain.
[0038] The above are preferred embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A side-opening axial flow ventilation outlet, characterized in that: It includes a lower pipe (1) and an upper pipe (2). The upper pipe (2) is vertically located at the upper end of the lower pipe (1). The lower surface of the upper pipe (2) is connected to the upper surface of the lower pipe (1). The upper pipe (2) and the lower pipe (1) are internally connected. The upper surface of the upper pipe (2) is inclined and is provided with a cover plate (22). The surface of the upper tube (2) is provided with a ventilation pipe (23) perpendicular to the upper tube (2), the interior of the ventilation pipe (23) is connected to the upper tube (2), the opening of the ventilation pipe (23) is hinged with a cover plate (24), the surface of the upper tube (2) is provided with a support rod (25) perpendicular to the upper tube (2), and the end of the support rod (25) away from the upper tube (2) is provided with an insertion hole (26). A pin sleeve (28) is provided in the center of the front of the cover plate (24) away from its pivot. A pin (27) is slidably disposed in the pin sleeve (28), and the front end of the pin (27) faces the insertion hole (26).
2. The side-opening axial flow ventilation outlet according to claim 1, characterized in that: A first connecting ring (11) is provided around the lower surface of the lower pipe body (1), a second connecting ring (12) is provided around the upper surface of the lower pipe body (1), and a third connecting ring (21) is provided around the lower surface of the upper pipe body (2). The second connecting ring (12) and the third connecting ring (21) are connected by multiple bolts.
3. A side-opening axial flow ventilation outlet according to claim 1, characterized in that: The area of the cover plate (24) is larger than the area of the outlet of the ventilation pipe (23), and a wire hole (13) connecting the inside of the lower pipe body (1) is provided on the upper part of the surface of the lower pipe body (1).
4. A side-opening axial flow ventilation opening according to claim 1, characterized in that: There are two ventilation pipes (23) symmetrically distributed on the surface of the upper pipe body (2), and the two cover plates (24) have their rotation axes far apart from each other.
5. A side-opening axial flow ventilation opening according to claim 1, characterized in that: The surface of the pin sleeve (28) is provided with a through groove (281) that penetrates the pin sleeve (28). The through groove (281) is provided along the length direction of the pin sleeve (28). The surface of the pin (27) is provided with a handle block (271), which is slidably installed in the through groove (281).
6. A side-opening axial flow ventilation opening according to claim 2, characterized in that: The surfaces of the first connecting ring (11) and the second connecting ring (12) are provided with multiple through holes.
7. A side-opening axial flow ventilation opening according to claim 2, characterized in that: The surface of the third connecting ring (21) is provided with multiple through holes.