CN215223247U

CN215223247U - Stifling ventilation closing device

Info

Publication number: CN215223247U
Application number: CN202121032783.3U
Authority: CN
Inventors: 高海霄; 张松义
Original assignee: Zibo Yiliang Storage Engineering Co ltd
Current assignee: Zibo Yiliang Storage Engineering Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-21
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a stifling ventilation obturator belongs to grain storage technical field. This structure includes axial fan, axial fan fixed mounting is on the fan window of granary wall body, fixedly connected with and axial fan intercommunication's tuber pipe on the inside wall of granary wall body, axial fan is kept away from to the tuber pipe one end is rotated and is provided with and is used for opening, the commentaries on classics board of closing the tuber pipe, change the board butt in tuber pipe port department, the board is close to one side of tuber pipe and is connected with the rubber circle that is used for improving the tuber pipe leakproofness, be fixed with on the inside wall of granary wall body and be used for the drive to change board pivoted drive assembly, granary wall body outside is provided with the switch board that is used for controlling drive assembly and axial fan function, the utility model discloses simple structure, degree of automation is high, need not the workman and get into granary alright realize inside ventilation, and the operational safety is high.

Description

Stifling ventilation closing device

Technical Field

The utility model relates to a grain storage technical field specifically is a stifling ventilation obturator.

Background

In order to ensure that grains stored in a granary are not polluted by insect pests for a long time and ensure the quality of grain storage, the operation of fumigating phosphine is carried out by utilizing the toxicity of the phosphine gas according to the actual insect pest situation, so that the insect pests are killed. The prior grain depot circulation fumigation technology in China mostly adopts grain surface application, and the disadvantage of the grain surface application is that the closed space of the grain depot is filled with the hydrogen phosphide toxic gas, in order to prevent the toxic gas from leaking out of the sealed window and damaging the human health, the plastic film is sealed by a pressure groove pipe around the sealed window opening in the grain depot, after the fumigation is finished, workers are required to enter the grain depot to open the sealed film in the grain depot, and then the window is opened to ventilate and disperse the gas. Although workers can wear protective clothing and respirators when entering the granary, phosphine gas is extremely toxic and can enter the human body through a respiratory tract, and the human health is harmed, so that the risk of the workers entering the granary containing the phosphine gas is too high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stifling ventilation obturator for need not the workman after realizing stifling operation and get into the granary alright with the automatic ventilation in realizing the granary, solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a stifling ventilation obturator, includes axial fan, axial fan fixed mounting is on the fan window of granary wall body, fixedly connected with and the tuber pipe of axial fan intercommunication on the inside wall of granary wall body, axial fan's one end rotation is kept away from to the tuber pipe is provided with the commentaries on classics board that is used for opening, closes the tuber pipe, change the board butt at tuber pipe port department, the commentaries on classics board is close to one side of tuber pipe and is connected with the rubber circle that is used for improving the tuber pipe leakproofness, be fixed with on the inside wall of granary wall body and be used for driving commentaries on classics board pivoted drive assembly, granary wall body outside is provided with the switch board that is used for controlling drive assembly and axial fan and operates.

Adopt above-mentioned technical scheme, through with axial fan fixed mounting on the fan window, the tuber pipe just becomes the inside only passageway with outside ventilation of granary, through setting up rotatable commentaries on classics board, realizes opening and closing the tuber pipe, through setting up the switch board, makes the staff outside alright control the switching of tuber pipe and axial fan's function, realizes the ventilation to granary inside, degree of automation is high, has avoided the staff to receive the harm of phosphine.

As a further aspect of the present invention: the driving assembly comprises a fixing plate fixed on the inner wall of the granary wall, the fixing plate is located above the granary wall, a motor electrically connected with the control cabinet is fixedly arranged at the upper end of the fixing plate, one end of an output shaft of the motor is connected with a driving gear, the driving gear is located on one side of the fixing plate, the lower end of the driving gear is meshed and connected with a driven gear, the driven gear is connected with one end of a rotating shaft, the rotating shaft is rotatably arranged on the fixing block, the fixing block is symmetrically fixed at the lower end of the fixing plate, and the rotating shaft is fixedly connected with the upper end of the rotating plate.

Adopt above-mentioned technical scheme, under the cooperation of fixed plate, motor, driving gear, driven gear, fixed block and pivot, open the motor through the switch board, alright realize changeing the rotation of board, realize opening and closing the tuber pipe, simple structure, the operation of being convenient for.

As a further aspect of the present invention: one side of the rotating plate, which is far away from the air pipe, is fixedly connected with a phosphine detector, and the phosphine detector is electrically connected with the control cabinet.

Adopt above-mentioned technical scheme, through setting up the phosphine detector, can make the staff pass through the inside phosphine concentration of switch board real-time supervision granary, improved the security of workman at the during operation.

As a further aspect of the present invention: and a filter screen is arranged in the air pipe.

Adopt above-mentioned technical scheme, through setting up the filter screen, upwards rotate when changeing the board and open the tuber pipe, when axial fan operation carried out ventilation, the filter screen can avoid the large granule dust impurity in the granary to get into axial fan, influences axial fan operation.

As a further aspect of the present invention: the outer wall of the rubber ring is tightly attached to the inner wall of the air pipe.

By adopting the technical scheme, the outer wall of the rubber ring is attached to the inner wall of the air pipe, so that the sealing performance of the ventilation sealing device when the air pipe is closed is improved

As a further aspect of the present invention: the upper end of the fixed plate is fixedly provided with a supporting block for supporting an output shaft of the motor, and the output shaft of the motor penetrates through the supporting block and is rotatably connected with a bearing fixedly arranged on the supporting block.

By adopting the technical scheme, the stable rotation of the motor output shaft is ensured by arranging the supporting block, so that the driving assembly works stably.

To sum up, compare with prior art, the beneficial effects of the utility model are that: simple structure, degree of automation is high, need not the workman and get into the granary alright realize inside ventilation, and the operational safety is high.

Drawings

FIG. 1 is a schematic view of a fumigant ventilation enclosure;

fig. 2 is a structural diagram of a driving assembly of the fumigation ventilation sealing device.

In the figure: 1. a granary wall; 2. a fan window; 3. an axial flow fan; 4. an air duct; 5. a fixing plate; 6. a motor; 7. a fixed block; 8. a rotating shaft; 9. rotating the plate; 10. a rubber ring; 11. a phosphine detector; 12. a control cabinet; 13. filtering with a screen; 14. a support block; 15. a driving gear; 16. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the embodiment provides a fumigation ventilation sealing device, which includes an axial flow fan 3, the axial flow fan 3 is fixedly installed on a fan window 2 of a granary wall 1, an air pipe 4 communicated with the axial flow fan 3 is fixedly connected to an inner side wall of the granary wall 1, a filter screen 13 is arranged in the air pipe 4, a rotating plate 9 for opening and closing the air pipe 4 is rotatably arranged at one end of the air pipe 4 far from the axial flow fan 3, the rotating plate 9 is abutted against a port of the air pipe 4, a rubber ring 10 for improving the sealing performance of the air pipe 4 is connected to one side of the rotating plate 9 close to the air pipe 4, the outer wall of the rubber ring 10 is tightly attached to the inner wall of the air pipe 4, a phosphine detector 11 is fixedly connected to one side of the rotating plate 9 far from the air pipe 4, and a driving component for driving the rotating plate 9 to rotate is fixed on the inner side wall of the granary wall 1, the external of the granary wall 1 is provided with a control cabinet 12 for controlling the operation of the driving assembly and the axial flow fan 3, the control cabinet 12 is further electrically connected with a phosphine detector 11, the phosphine detector 11 transmits a detected phosphine concentration conversion electric signal to the control cabinet 12, the control cabinet 12 displays concentration information to a worker through a display screen, the worker can manually control the control cabinet 12 to realize ventilation or sealing of the granary, preferably, the driving assembly comprises a fixing plate 5 fixed on the inner wall of the granary wall 1, the fixing plate 5 is positioned above the granary wall 1, the upper end of the fixing plate 5 is fixedly provided with a motor 6 electrically connected with the control cabinet 12, the upper end of the fixing plate 5 is fixedly provided with a supporting block 14 for supporting an output shaft of the motor 6, the output shaft of the motor 6 penetrates through the supporting block 14 and is rotatably connected with a bearing fixedly arranged on the supporting block 14, one end of an output shaft of the motor 6 is connected with a driving gear 15, the driving gear 15 is located on one side of the fixing plate 5, the lower end of the driving gear 15 is meshed with a driven gear 16, the driven gear 16 is connected with one end of a rotating shaft 8, the rotating shaft 8 is rotatably arranged on the fixing block 7, the fixing block 7 is symmetrically fixed at the lower end of the fixing plate 5, and the rotating shaft 8 is fixedly connected with the upper end of the rotating plate 9.

With reference to fig. 1 and 2, when ventilation is needed, a worker controls the motor 6 to operate through the control cabinet 12, the rotating plate 9 rotates to one side far away from the air pipe 4, the air pipe 4 is in a completely opened state when the rotating plate rotates to a horizontal position, the motor 6 stops operating, the rotating plate 9 does not rotate any more, the control cabinet 12 controls the axial flow fan 3 to operate, phosphine gas in the granary is discharged, and ventilation is achieved; when the air duct 4 needs to be closed, the control cabinet 12 stops the operation of the axial flow fan 3, the output shaft of the driving motor 6 rotates in the opposite direction, the rotating plate 9 rotates to a position close to the port of the air duct 4 at the moment, when the rotating plate 9 abuts against the port of the air duct 4, the motor 6 stops working, the air duct 4 is closed under the matching of the rotating plate 9 and the rubber ring 10, and the sealing of the granary is realized.

It should be noted that the above embodiments are only specific and clear descriptions of technical solutions and technical features of the present application. However, to those skilled in the art, aspects or features that are part of the prior art or common general knowledge are not described in detail in the above embodiments.

In addition, the technical solutions of the present application are not limited to the above-described embodiments, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined, so that other embodiments that can be understood by those skilled in the art may be formed.

Claims

1. A fumigation ventilation sealing device comprises an axial flow fan (3), wherein the axial flow fan (3) is fixedly arranged on a fan window (2) of a granary wall body (1), it is characterized in that the inner side wall of the granary wall body (1) is fixedly connected with an air pipe (4) communicated with the axial flow fan (3), a rotating plate (9) for opening and closing the air pipe (4) is rotatably arranged at one end of the air pipe (4) far away from the axial flow fan (3), the rotating plate (9) is abutted against the end opening of the air pipe (4), one side of the rotating plate (9) close to the air pipe (4) is connected with a rubber ring (10) for improving the sealing performance of the air pipe (4), a driving component for driving the rotating plate (9) to rotate is fixed on the inner side wall of the granary wall body (1), and a control cabinet (12) for controlling the operation of the driving assembly and the axial flow fan (3) is arranged outside the granary wall body (1).

2. A fumigation and ventilation obturator as defined in claim 1, wherein said driving means comprise a fixing plate (5) fixed to the inner wall of the granary wall (1), the fixed plate (5) is positioned above the granary wall body (1), the upper end of the fixed plate (5) is fixedly provided with a motor (6) which is electrically connected with the control cabinet (12), one end of an output shaft of the motor (6) is connected with a driving gear (15), the driving gear (15) is positioned at one side of the fixing plate (5), the lower end of the driving gear (15) is connected with a driven gear (16) in a meshing way, the driven gear (16) is connected with one end of the rotating shaft (8), the rotating shaft (8) is rotatably arranged on the fixing block (7), the fixing block (7) is symmetrically fixed at the lower end of the fixing plate (5), and the rotating shaft (8) is fixedly connected with the upper end of the rotating plate (9).

3. A fumigation and ventilation obturator as defined in claim 1, wherein said rotating plate (9) is fixedly connected with a phosphine detector (11) on the side away from the air duct (4), said phosphine detector (11) being electrically connected with the control cabinet (12).

4. A fumigation and ventilation obturator as defined in claim 1, wherein said hood (4) incorporates a screen (13).

5. A fumigation and ventilation obturator as defined in claim 1, wherein said rubber ring (10) has its outer wall in close abutment with the inner wall of the duct (4).

6. A fumigation and ventilation obturator as defined in claim 2, wherein said fixed plate (5) is fixedly provided at its upper end with a support block (14) for supporting the output shaft of the motor (6), the output shaft of the motor (6) passing through the support block (14) and being rotatably connected to a bearing fixedly provided on the support block (14).