CN218644536U - Explosion-proof type axial fan - Google Patents

Abstract

The utility model discloses an explosion-proof type axial flow fan, include the dryer for hollow structure, fixed mounting has the rotation motor in the dryer, the equidistance distributes on the output shaft of rotation motor has a plurality of flabellums, the dryer is provided with the obstruction part towards the one end of flabellum, the vertical board of fixedly connected with in the dryer, vertical board fixedly connected with protective housing, rotate motor fixed mounting in the protective housing, and the protective housing adopts the heat conduction material to make, the output shaft of rotation motor runs through the protective housing, the obstruction part includes the cylinder of fixed connection in dryer one end, fixedly connected with water tank on the cylinder, the water tank has the inlet tube. The utility model discloses a set up the water curtain of downward flow, debris and dust that contain in the air of convection current can both be intercepted, and arrange to the collecting vat in debris and the dust of interception are whole, realize not needing frequent clearance also can guarantee smooth and easy of ventilation, and simultaneously to the dust clearance that is difficult to the interception completely, avoid the dust to get into in the dryer, eliminate danger.

Description

An explosion-proof axial flow fan

technical field

The utility model relates to the technical field of fans, in particular to an explosion-proof axial flow fan.

Background technique

Explosion-proof axial flow fans are widely used in general factories, warehouses, offices, and houses for ventilation or strong heating and heat dissipation. They can also be installed in series with long exhaust pipes at intervals to increase the pressure in the pipes and remove the motor. Can be used as a free fan.

The patent document with the publication number CN105201879A and the title of the invention being an explosion-proof fan discloses an explosion-proof fan, which includes an explosion-proof motor body and a motor bracket for fixing the explosion-proof motor. It is characterized in that the explosion-proof motor is arranged in the middle of the motor bracket. Both ends of the motor bracket are provided with explosion-proof casings, guide plates are provided inside the explosion-proof casings at both ends of the motor bracket, fan blades are provided at the output end of the explosion-proof motor, and a filter screen is provided on one side of the fan blades. Both ends of the filter screen are fixed inside the explosion-proof casing.

The above technical solution adds a filter to prevent the inhalation of sundries, prevents sundries from damaging the fan blades and will not cause sparks to cause the explosion of the mixed gas; the left side of the explosion-proof motor is equipped with a guide plate to reduce the size of the air outlet The flow rate of the gas is better to use the gas to cool the explosion-proof motor, and use the gas pumped in to cool down to reduce the cost increase caused by the separate cooling device, but the inventor also found that the above technical solution has the following defects:

The use of the filter screen prevents the inhalation of sundries, but the sundries gather on the filter screen, causing less and less ventilation, and frequent cleaning is required. In addition, the larger sundries can be blocked, but for dust, Dust is difficult to stop, and dust is flammable and explosive, and it is more dangerous to come into contact with a high-speed rotating axial fan.

Utility model content

The purpose of this utility model is to propose an explosion-proof axial flow fan, which can clean up dust and ensure smooth ventilation without frequent cleaning.

In order to achieve the above object, the utility model adopts the following technical solutions:

An explosion-proof axial flow fan, comprising a hollow air cylinder, a rotating motor is fixedly installed in the air cylinder, a plurality of fan blades are equidistantly distributed on the output shaft of the rotating motor, and the air cylinder faces the One end of the fan blade is provided with a blocking component.

Preferably, a vertical plate is fixedly connected to the air duct, a protective case is fixedly connected to the vertical plate, the rotating motor is fixedly installed in the protective case, and the protective case is made of heat-conducting material, The output shaft of the rotating motor runs through the protective shell.

Preferably, the blocking component includes a cylinder fixedly connected to one end of the air cylinder, a water tank is fixedly connected to the cylinder, the water tank has a water inlet pipe, and a water pump is fixedly installed in the water tank.

Preferably, the cylinder is sequentially provided with air inlet slots, communication slots, vertical slots, and air exhaust slots, which are connected in sequence, so that the wind entering from the air inlet slots can be discharged from the exhaust slots, The cylinder is also provided with a drainage groove and a water curtain groove, and the drainage groove and the water curtain groove are communicated with each other. The water pump runs through the water tank through a drain pipe and communicates with the drainage groove. The water curtain The groove communicates with the communication groove.

Preferably, the width of the water curtain groove is small, so that the water flow discharged from the water curtain groove presents a water curtain state in the communicating groove.

Preferably, the cylinder is also provided with a circular groove and a collection groove, the circular groove communicates with the communication groove, and is used to guide the sewage containing sundries and dust into the collection groove, and the collection groove is discharged pipe to discharge sewage.

Preferably, a first disk is fixedly connected in the circular groove, a first through hole is opened in the center of the first disk, and a ring groove is opened in the cylinder, and the ring groove is connected by a plurality of elastic members There is a second disc, and the second disc is opened with a plurality of second through holes.

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

The utility model can intercept the sundries and dust contained in the flowing air by setting the water curtain flowing downwards, and all the intercepted sundries and dust are discharged into the collection tank, so that it can be guaranteed without frequent cleaning. The ventilation is smooth, and at the same time, the dust that is difficult to intercept is completely cleaned to prevent the dust from entering the air duct and eliminate the danger.

Description of drawings

Fig. 1 is a side view sectional structure schematic diagram of an explosion-proof axial flow fan proposed by the utility model;

Fig. 2 is the schematic diagram of the enlarged structure of place A in Fig. 1;

Fig. 3 is a schematic diagram of the connection structure between the air cylinder and the vertical plate in an explosion-proof axial flow fan proposed by the utility model.

In the picture:

10. Air duct; 11. Rotating motor; 12. Fan blade; 13. Vertical plate; 14. Protective shell; 15. Cylinder; 16. Water tank; 17. Inlet pipe; 18. Water pump;

20. Air inlet slot; 21. Connecting slot; 22. Vertical slot; 23. Exhaust slot; 24. Drainage slot; 25. Water curtain slot; 26. Drainage pipe; 27. Round slot; 28. Collection slot; 29 , discharge pipe;

30. The first disc; 31. The first through hole; 32. The ring groove; 33. The elastic member; 34. The second disc; 35. The second through hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

Referring to Figures 1-3, an explosion-proof axial flow fan includes a blower tube 10 with a hollow structure, a rotating motor 11 is fixedly installed in the blower tube 10, and a plurality of fan blades are equidistantly distributed on the output shaft of the rotating motor 11 12. An end of the air duct 10 facing the fan blade 12 is provided with a blocking component.

Wherein, the blocking part can intercept and clean up both the creation and the dust, and avoid entering into the air duct 10, thereby blocking the contact between the dust and the fan, and eliminating the danger.

Further, the vertical plate 13 is fixedly connected to the air cylinder 10, the vertical plate 13 is fixedly connected to the protective shell 14, the rotating motor 11 is fixedly installed in the protective shell 14, and the protective shell 14 is made of a heat-conducting material, and the rotating motor 11 The output shaft of the output shaft runs through the protective shell 14.

Referring to FIG. 3 , the vertical plate 13 will not completely block the section of the air duct 10 , and the flowing wind can pass through the air duct 10 smoothly.

Further, the blocking component includes a cylinder 15 fixedly connected to one end of the air cylinder 10, a water tank 16 is fixedly connected to the cylinder 15, the water tank 16 has a water inlet pipe 17, and a water pump 18 is fixedly installed in the water tank 16, and the water pump 18 is an existing technology, so I won’t go into details here.

Further, the cylinder 15 is sequentially provided with an air inlet slot 20, a communication slot 21, a vertical slot 22, and an air exhaust slot 23, which are connected in sequence correspondingly, so that the wind entering from the air inlet slot 20 can be discharged from the exhaust slot 23 , the cylinder 15 is also provided with a drainage groove 24 and a water curtain groove 25, the drainage groove 24 and the water curtain groove 25 are connected to each other, the water pump 18 runs through the water tank 16 through the drain pipe 26 and communicates with the drainage groove 24, and the water curtain groove 25 communicates with the The groove 21 communicates.

Further, the width of the water curtain groove 25 is small, so that the water flow discharged from the water curtain groove 25 presents a water curtain state in the communication groove 21 .

Further, the cylinder 15 is also provided with a circular groove 27 and a collection groove 28, the circular groove 27 communicates with the communication groove 21, and is used to guide the sewage containing sundries and dust into the collection groove 28, and the collection groove 28 is discharged through the discharge pipe 29 sewage.

Further, the circular groove 27 is fixedly connected with the first disc 30, the center of the first disc 30 is provided with a first through hole 31, the cylinder 15 is provided with an annular groove 32, and the annular groove 32 is connected by a plurality of elastic members 33. There is a second disk 34 , and the second disk 34 is provided with a plurality of second through holes 35 .

Wherein, the elastic member 33 is preferably a spring fitting, and its two ends are respectively connected with the ring groove 32 and the second disk 34 .

Working principle of the utility model:

Start rotating motor 11 and water pump 18 simultaneously, and rotating motor 11 makes wind blow in the air cylinder 10, with reference to the arrow representation in accompanying drawing 1, water pump 18 makes the water source in the water tank 16 enter drainage groove 24 and water curtain groove 25, and in A water curtain is formed in the communication groove 21, and the water curtain completely covers the entire section of the communication groove 21. When the wind that drives sundries and dust flows through the communication groove 21, it will be intercepted by the water curtain and flow into the circular groove 27 below;

When the sewage in the circular groove 27 accumulates to a certain amount, the second disc 34 moves down and squeezes the elastic member 33, so that the sewage flows from the first through hole 31 to a plurality of second through holes 35, and finally enters the collection tank 28, then under the elastic force of the elastic member 33, the second disk 34 moves up and conflicts with the first disk 30, so that the sewage cannot be discharged into the collection tank 28, so that the wind entering the air cylinder 10 can only be discharged from the air inlet. into the groove 20 to prevent the wind from being discharged from the circular groove 27 to the communication groove 21 and causing sundries and dust to enter the air cylinder 10 .

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. An explosion-proof axial flow fan is characterized in that it comprises a blower (10) of hollow structure, and a rotating motor (11) is fixedly installed in the blower (10), and the rotating motor (11) A plurality of fan blades (12) are equidistantly distributed on the output shaft, and a blocking part is arranged at one end of the fan cylinder (10) facing the fan blades (12). 2. An explosion-proof axial flow fan according to claim 1, characterized in that, a vertical plate (13) is fixedly connected in the air cylinder (10), and the vertical plate (13) is fixedly connected with a A protective case (14), the rotating motor (11) is fixedly installed in the protective case (14), and the protective case (14) is made of heat-conducting material, and the output shaft of the rotating motor (11) runs through The protective case (14). 3. An explosion-proof axial flow fan according to claim 1, characterized in that, the blocking member includes a cylinder (15) fixedly connected to one end of the air cylinder (10), and the cylinder (15) ) is fixedly connected with a water tank (16), the water tank (16) has a water inlet pipe (17), and a water pump (18) is fixedly installed in the water tank (16). 4. An explosion-proof axial flow fan according to claim 3, characterized in that, the cylinder (15) is sequentially provided with an air inlet slot (20), a communication slot (21), and a vertical slot (22) and exhaust slots (23), and correspondingly connected in sequence, so that the wind entering from the air intake slots (20) can be discharged from the exhaust slots (23), and the cylinder (15) is also provided with exhaust Water tank (24) and water curtain tank (25), described drainage tank (24) and described water curtain tank (25) communicate with each other and set, and described water pump (18) runs through described water tank (16) by drainage pipe (26). ) and communicate with the drainage tank (24), and the water curtain tank (25) communicate with the communication tank (21). 5. An explosion-proof axial flow fan according to claim 4, characterized in that, the width of the water curtain groove (25) is small, so that the water flow discharged from the water curtain groove (25) is A water curtain state is presented in the groove (21). 6. An explosion-proof axial flow fan according to claim 4, characterized in that, the cylinder (15) is also provided with a circular groove (27) and a collection groove (28), and the circular groove (27) It communicates with the communication tank (21) and is used to guide the sewage containing sundries and dust into the collection tank (28), and the collection tank (28) discharges the sewage through the discharge pipe (29). 7. An explosion-proof axial flow fan according to claim 6, characterized in that, a first disk (30) is fixedly connected in the circular groove (27), and the center of the first disk (30) A first through hole (31) is opened at the center, and the cylinder (15) is provided with a ring groove (32), and the ring groove (32) is connected with a second disk (34) through a plurality of elastic pieces (33). , the second disc (34) is opened with a plurality of second through holes (35).

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