CN114754016A - Industrial centrifugal fan capable of controlling air flow conveying direction - Google Patents
Industrial centrifugal fan capable of controlling air flow conveying direction Download PDFInfo
- Publication number
- CN114754016A CN114754016A CN202210524278.3A CN202210524278A CN114754016A CN 114754016 A CN114754016 A CN 114754016A CN 202210524278 A CN202210524278 A CN 202210524278A CN 114754016 A CN114754016 A CN 114754016A
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- Prior art keywords
- outlet pipe
- air outlet
- pipe
- centrifugal fan
- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an industrial centrifugal fan capable of controlling the air flow conveying direction, which comprises an air outlet pipe and a fixed seat, wherein a volute is fixedly arranged on the lower surface of the air outlet pipe, a supporting seat is fixedly arranged on the lower surface of the volute, and a base is fixedly arranged on the lower surface of the supporting seat; further comprising: the pressing plate is arranged inside the air outlet pipe in a sliding mode and penetrates through the air outlet pipe. This industrial centrifugal fan of steerable air current direction of transport when the air current direction of transport is adjusted to needs, stimulate the clamp plate earlier, make the lower surface of clamp plate not contact with the baffle, the baffle is rotatory under the effect of balancing weight this moment, after the balancing weight is rotatory 90, second magnet can be kept away from to first magnet, the sliding block moves to the right under the effect of second spring this moment, and then the connecting axle loses the pulling force of haulage rope, clockwise rotation under the action of gravity of curb plate, it opens to go out the tuber pipe this moment, and the crosswind pipe is closed, the purpose that changes the air current direction of transport has been reached promptly.
Description
Technical Field
The invention relates to the technical field of industrial centrifugal fans, in particular to an industrial centrifugal fan capable of controlling the airflow conveying direction.
Background
The industrial centrifugal fan is widely used in factories, tunnels, ships and buildings and has the functions of ventilation, cooling and dust exhaust, for example, the industrial centrifugal fan for dust conveying with the publication number of CN214788245U is provided with a damping mechanism which can relieve the vibration generated when the fan body operates and reduce the noise pollution caused by the vibration, thus greatly improving the quality of the use environment and the service life of the fan body, and having strong practicability, but the industrial centrifugal fan is inconvenient and rapid to adjust the conveying direction of airflow when in use, so that the use range of the device is small, the use limitation is large, the whole work efficiency is influenced, and unnecessary troubles are brought to the work;
industrial centrifugal fan can remain more dust at the during operation on the inner wall, and current industrial centrifugal fan reduces at the inconvenient dust that remains on making the inner wall of during operation, can influence industrial centrifugal fan's continuation use, and then influence work efficiency.
In order to solve the problems, innovative design is urgently needed on the basis of the original industrial centrifugal fan.
Disclosure of Invention
The invention aims to provide an industrial centrifugal fan capable of controlling the air flow conveying direction, and aims to solve the problems that the conveying direction of the air flow is inconvenient and quick to adjust when the industrial centrifugal fan is used, so that the using range of the device is small, the limitation is large when the industrial centrifugal fan is used, the residual dust on the inner wall is inconvenient to reduce, the continuous use of the industrial centrifugal fan is influenced, and the working efficiency is further influenced.
In order to achieve the purpose, the invention provides the following technical scheme: an industrial centrifugal fan capable of controlling the air flow conveying direction comprises an air outlet pipe and a fixed seat, wherein a volute is fixedly mounted on the lower surface of the air outlet pipe, a supporting seat is fixedly mounted on the lower surface of the volute, and a base is fixedly mounted on the lower surface of the supporting seat;
the fixed seat is arranged on the upper surface of the base, and the upper surface of the fixed seat is fixedly provided with a motor;
an industrial centrifugal fan capable of controlling the conveying direction of air flow, further comprising:
the side air pipe is fixedly arranged on the right side of the air outlet pipe, a long pin is rotatably connected inside the air outlet pipe, a limiting groove is formed inside the air outlet pipe, and initially, the air outlet pipe is in a closed state, and the side air pipe is in an opened state;
the pressing plate is arranged inside the air outlet pipe in a sliding mode and penetrates through the air outlet pipe;
the connecting shaft is rotatably connected inside the side air pipe, the inside of the side air pipe and the inside of the air outlet pipe are both rotatably connected with a rotating shaft, and the inside of the side air pipe and the inside of the air outlet pipe are both fixedly provided with a fixing plate;
the sliding block is arranged inside the side air pipe in a sliding mode, and a groove is formed in the side air pipe;
the movable plate is connected to the inside of the fixed plate in a sliding mode, and a knocking block is fixedly mounted on the surface of the movable plate.
Preferably, the fixed surface of long round pin install with the baffle that the clamp plate corresponds, and the equal fixed mounting in upper and lower both sides of clamp plate has the slider to the right side fixed mounting of long round pin have with the balancing weight that the spacing groove corresponds, in the beginning, the upper surface of baffle is pushed down by the lower surface of clamp plate, is in the horizontally state, and when needs were adjusted the air current and is transported the direction, stimulates the clamp plate earlier, and the clamp plate moves toward the outside of tuber pipe this moment, and when clamp plate and baffle contactless, long round pin and baffle are under the action of gravity of balancing weight, at the inside clockwise rotation of tuber pipe.
Preferably, the rotation angle of the balancing weight is 0-90 °, the right side of the baffle is fixedly provided with a first magnet, the left side of the sliding block is fixedly provided with a second magnet corresponding to the first magnet, the magnetic poles of the second magnet and the adjacent position of the first magnet are opposite, after the balancing weight rotates for 90 °, the air outlet pipe is opened, meanwhile, the first magnet can be far away from the second magnet, and the sliding blocks lose the magnetic force of mutual attraction.
Preferably, the surface of sliding block with the inner wall laminating of side tuber pipe, and the fixed surface of sliding block installs the overlap joint piece, and the overlap joint piece about the central symmetry of sliding block distributes, and the surface of sliding block and the inner wall laminating of side tuber pipe make the sliding block only move on the horizontal direction.
Preferably, the right side fixed mounting of sliding block has the second spring that plays the elasticity effect of resetting, and the other one side of second spring with the inner wall fixed connection of side tuber pipe to the second spring is the state by tensile when initial, the right side fixedly connected with haulage rope of overlap joint piece, after the sliding block loses the magnetic force of mutual attraction, the resilience force of second spring drives the sliding block and moves to the right, and the sliding block drives overlap joint piece synchronous motion, and the moving distance of sliding block has been restricted to the overlap joint piece, has improved stability.
Preferably, the other side of the traction rope is fixedly connected to the surface of the connecting shaft, the traction rope is in a tensioned state initially, the surface of the connecting shaft is fixedly provided with a side plate, the surface of the connecting shaft is fixedly provided with a lug corresponding to the groove, meanwhile, the rotation angle of the lug ranges from 0 to 90 degrees, when the resilience force of the second spring drives the sliding block to move rightwards, the connecting shaft loses the tension of the overlapping block and the traction rope, the connecting shaft rotates clockwise under the action of the gravity of the side plate, the connecting shaft drives the lug to rotate inside the groove, because the rotation angle of the lug ranges from 0 to 90 degrees, the connecting shaft and the side plate finally rotate to a vertical state to block the side air pipe, the air outlet pipe is opened at the moment, the side air pipe is closed, the purpose of changing the air flow conveying direction is achieved, and the lug and the groove enable the connecting shaft and the side plate not to continuously rotate clockwise, the sealing performance is ensured.
Preferably, the first spring with the elastic reset function is fixedly installed on the surface of the sliding block, the other side of the first spring is fixedly connected with the inner wall of the air outlet pipe, the long pin penetrates through the inside of the air outlet pipe, the handle is fixedly installed at the tail end of the long pin, when the side air pipe needs to be opened and the air outlet pipe is closed, the handle is rotated to enable the handle to drive the long pin to rotate anticlockwise, when the baffle plate extrudes the pressing plate, the pressing plate drives the sliding block to move towards the outer side of the air outlet pipe, at the moment, the first spring is extruded by the sliding block, after the baffle plate rotates anticlockwise for 90 degrees, the right side of the pressing plate does not receive extrusion force, at the moment, the pressing plate resets under the effects of the first spring and the sliding block, the baffle plate is pressed again, namely, the air outlet pipe is closed, at the moment, the sliding block moves towards the left side under the effect of mutual attraction magnetic force of the first magnet and the second magnet, and the lap joint block drives the connecting shaft to rotate anticlockwise through the traction rope, finally, the connecting shaft and the side plates rotate 90 degrees anticlockwise, the side air pipes are opened at the moment, and the adjusting process is quick and convenient.
Preferably, the fixed surface of pivot is installed and is connect the aerofoil, and connects the aerofoil to be in the equal angular distribution in surface of pivot to connect the surface of aerofoil to be the arc, when the device during operation, wind-force drive connects the aerofoil and the pivot is rotatory.
Preferably, the fixed surface of fly leaf install with connect the connecting rod that the aerofoil corresponds, and the connecting rod run through in the inside of fixed plate to fixed mounting has the third spring that plays the elasticity effect of resetting on the inner wall of fixed plate, connects the aerofoil rotatory when contacting with the connecting rod, and the aerofoil can extrude the connecting rod, makes the connecting rod drive the fly leaf and removes toward the avris, and the third spring is stretched this moment.
Preferably, the other side of third spring with the fixed surface of fly leaf is connected, strike the piece and be in the equidistant distribution in surface of fly leaf connects the aerofoil to continue to rotate to when not contacting with the connecting rod, and the fly leaf returns under the effect of third spring, repeats above-mentioned process, and the fly leaf drives strikes the piece and is reciprocal linear motion, strikes the piece and can hit the inner wall of play tuber pipe (or side tuber pipe) once and again, makes the state that goes out tuber pipe (or side tuber pipe) and be in slight vibrations, makes the dust drop from the inner wall, finally along with wind-force by eduction gear, makes remaining dust less on the device inner wall.
Compared with the prior art, the invention has the beneficial effects that: this steerable air current direction of delivery's industry centrifugal fan adopts neotype structural design, and its specific content is as follows:
(1) when the air flow conveying direction needs to be adjusted, the pressure plate is pulled firstly, the lower surface of the pressure plate is not in contact with the baffle, the baffle and the long pin rotate clockwise inside the air outlet pipe under the action of the balancing weight, the first magnet can be far away from the second magnet after the balancing weight rotates 90 degrees, the sliding block moves rightwards under the action of the resilience force of the second spring, the connecting shaft loses the tension of the traction rope, the connecting shaft rotates clockwise under the action of the gravity of the side plate, the connecting shaft and the side plate can only rotate 90 degrees due to the convex blocks and the grooves, the air outlet pipe is opened at the moment, the side air pipe is closed, the purpose of changing the air flow conveying direction is achieved, the convex blocks and the grooves can not enable the connecting shaft and the side plate to continue to rotate clockwise, and the sealing performance is guaranteed;
(2) this industrial centrifugal fan of steerable air current direction of transport is at the device during operation, wind-force can drive and connect aerofoil and pivot rotation, the fly leaf is connecing the aerofoil this moment, under the effect of connecting rod and third spring, be reciprocal linear motion, the fly leaf drives strikes the piece and is reciprocal linear motion, strike the inner wall that hits the tuber pipe (or the side tuber pipe) that the piece can be once and again, make the state that goes out tuber pipe (or side tuber pipe) and be in slight vibrations, make the dust drop from the inner wall, finally along with wind-force by eduction gear, it is less to make the remaining dust on the device inner wall.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of the right-view structure of the present invention;
FIG. 3 is a schematic view of a partial front cross-sectional structure of an air outlet pipe according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the connection structure of the long pin and the counterweight block of the present invention;
FIG. 6 is an enlarged view of the portion B in FIG. 3 according to the present invention;
FIG. 7 is a schematic view of a partial front cross-sectional structure of the baffle in accordance with the present invention in an operational state;
FIG. 8 is a schematic view of a partial front cross-sectional structure of a counterweight according to the present invention;
FIG. 9 is a partial cross-sectional view of the bump according to the present invention;
FIG. 10 is a schematic view showing a connecting shaft and a side plate connecting structure according to the present invention;
FIG. 11 is a schematic view of the connection structure of the long pin and the handle of the present invention.
In the figure: 1. an air outlet pipe; 2. a base; 3. a fixed seat; 4. a motor; 5. a supporting seat; 6. a volute; 7. a side air duct; 8. a long pin; 9. a baffle plate; 10. pressing a plate; 11. a slider; 12. a first spring; 13. a balancing weight; 14. a limiting groove; 15. a first magnet; 16. a connecting shaft; 17. a side plate; 18. a slider; 19. a second magnet; 20. a lap joint block; 21. a second spring; 22. a hauling rope; 23. a bump; 24. a groove; 25. a rotating shaft; 26. a wind receiving plate; 27. a fixing plate; 28. knocking the block; 29. a movable plate; 30. a third spring; 31. a connecting rod; 32. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: an industrial centrifugal fan capable of controlling the air flow conveying direction comprises an air outlet pipe 1 and a fixed seat 3, wherein a volute 6 is fixedly arranged on the lower surface of the air outlet pipe 1, a supporting seat 5 is fixedly arranged on the lower surface of the volute 6, and a base 2 is fixedly arranged on the lower surface of the supporting seat 5;
the fixed seat 3 is arranged on the upper surface of the base 2, and the upper surface of the fixed seat 3 is fixedly provided with the motor 4;
an industrial centrifugal fan capable of controlling the conveying direction of air flow, further comprising:
the side air pipe 7 is fixedly arranged on the right side of the air outlet pipe 1, the inside of the air outlet pipe 1 is rotatably connected with a long pin 8, and a limit groove 14 is formed in the air outlet pipe 1;
the pressing plate 10 is arranged inside the air outlet pipe 1 in a sliding mode, and the pressing plate 10 penetrates through the air outlet pipe 1;
the connecting shaft 16 is rotatably connected inside the side air pipe 7, the inside of the side air pipe 7 and the inside of the air outlet pipe 1 are rotatably connected with a rotating shaft 25, and the inside of the side air pipe 7 and the inside of the air outlet pipe 1 are fixedly provided with a fixing plate 27;
the sliding block 18 is arranged inside the side air pipe 7 in a sliding mode, and a groove 24 is formed in the side air pipe 7;
a movable plate 29, the movable plate 29 is slidably connected inside the fixed plate 27, and the striking block 28 is fixedly mounted on the surface of the movable plate 29.
The surface of the long pin 8 is fixedly provided with a baffle 9 corresponding to the pressing plate 10, the upper side and the lower side of the pressing plate 10 are both fixedly provided with a sliding block 11, and the right side of the long pin 8 is fixedly provided with a balancing weight 13 corresponding to the limiting groove 14.
The rotating angle of the balancing weight 13 is 0-90 degrees, a first magnet 15 is fixedly installed on the right side of the baffle 9, a second magnet 19 corresponding to the first magnet 15 is fixedly installed on the left side of the sliding block 18, and the magnetic poles of the adjacent positions of the second magnet 19 and the first magnet 15 are opposite.
The surface of the sliding block 18 is attached to the inner wall of the side wind pipe 7, the surface of the sliding block 18 is fixedly provided with the lapping blocks 20, and the lapping blocks 20 are symmetrically distributed about the center of the sliding block 18.
The right side of the sliding block 18 is fixedly provided with a second spring 21 which plays a role of elastic reset, the other side of the second spring 21 is fixedly connected with the inner wall of the crosswind pipe 7, the second spring 21 is in an initial stretched state, and the right side of the lap joint block 20 is fixedly connected with a traction rope 22.
The other side of the pulling rope 22 is fixedly connected to the surface of the connecting shaft 16, the pulling rope 22 is in a tensioned state initially, the side plate 17 is fixedly mounted on the surface of the connecting shaft 16, the convex block 23 corresponding to the groove 24 is fixedly mounted on the surface of the connecting shaft 16, and the rotating angle of the convex block 23 is 0-90 degrees.
The fixed surface of slider 11 installs first spring 12 that plays the elasticity effect that resets, and the other one side of first spring 12 and the inner wall fixed connection who goes out tuber pipe 1, and long round pin 8 runs through in the inside of going out tuber pipe 1, and the terminal fixed mounting of long round pin 8 has handle 32.
Initially, the air outlet pipe 1 is in a closed state, the side air pipe 7 is in an open state, when a worker needs to adjust the air flow conveying direction, the pressing plate 10 is pulled first, so that the lower surface of the pressing plate 10 is not in contact with the baffle 9, at the moment, the baffle 9 and the long pin 8 rotate clockwise in the air outlet pipe 1 under the action of the balancing weight 13, the limiting groove 14 enables the balancing weight 13 to rotate only 90 degrees, after the balancing weight 13 rotates 90 degrees, the first magnet 15 is far away from the second magnet 19, at the moment, the sliding block 18 moves rightwards under the resilience force of the second spring 21, the sliding block 18 drives the lapping block 20 to move rightwards synchronously, further, the connecting shaft 16 loses the tensile force of the lapping block 20 and the traction rope 22, at the moment, the connecting shaft 16 rotates clockwise under the gravity of the side plate 17, and the connecting shaft 16 and the side plate 17 can only rotate 90 degrees under the action of the lug 23 and the groove 24, at the moment, the air outlet pipe 1 is opened, the side air duct 7 is closed, namely the purpose of changing the air flow conveying direction is achieved, the convex blocks 23 and the grooves 24 enable the connecting shaft 16 and the side plates 17 not to continuously rotate clockwise, the sealing performance is guaranteed, when the side air duct 7 needs to be opened and the air outlet duct 1 is closed, the handle 32 is rotated, the handle 32 drives the long pin 8 to rotate anticlockwise, when the baffle plate 9 rotates to extrude the pressing plate 10, the pressing plate 10 drives the sliding block 11 to move towards the outer side of the air outlet duct 1, at the moment, the first spring 12 is extruded by the sliding block 11, after the baffle plate 9 rotates anticlockwise by 90 degrees, the right side of the pressing plate 10 is not subjected to extrusion force, at the moment, the pressing plate 10 resets under the action of the first spring 12 and the sliding block 11, the baffle plate 9 is pressed again, namely the air outlet duct 1 is closed, at the moment, the distance between the first magnet 15 and the second magnet 19 is reduced, and further, under the mutual magnetic attraction force action of the first magnet 15 and the second magnet 19 of the sliding block 18, move towards the left side, overlap joint piece 20 drives connecting axle 16 anticlockwise rotation through haulage rope 22 simultaneously, and final connecting axle 16 and curb plate 17 anticlockwise rotation 90, the side tuber pipe 7 is opened this moment, and the accommodation process is convenient fast.
The surface of the rotating shaft 25 is fixedly provided with the wind receiving plates 26, the wind receiving plates 26 are distributed on the surface of the rotating shaft 25 at equal angles, and the surface of the wind receiving plate 26 is arc-shaped.
A connecting rod 31 corresponding to the wind receiving plate 26 is fixedly mounted on the surface of the movable plate 29, the connecting rod 31 penetrates through the fixed plate 27, and a third spring 30 for elastic return is fixedly mounted on the inner wall of the fixed plate 27.
The other side of the third spring 30 is fixedly connected with the surface of the movable plate 29, and the knocking blocks 28 are distributed on the surface of the movable plate 29 at equal intervals.
When the device works, the wind power drives the wind receiving plate 26 and the rotating shaft 25 to rotate, when the wind receiving plate 26 rotates to be in contact with the connecting rod 31, the wind receiving plate 26 can press the connecting rod 31, the connecting rod 31 drives the movable plate 29 to move towards the side, at the moment, the third spring 30 is stretched, when the wind receiving plate 26 continues to rotate to be not in contact with the connecting rod 31, the movable plate 29 returns under the action of the third spring 30, the process is repeated, the movable plate 29 drives the knocking block 28 to do reciprocating linear motion, the knocking block 28 can knock the inner wall of the air outlet pipe 1 (or the side air pipe 7) once and again, the air outlet pipe 1 (or the side air pipe 7) is in a slight vibration state, dust drops from the inner wall, and is finally discharged out of the device along with the wind power, so that less dust remains on the inner wall of the device, and the knocking blocks 28 are distributed at equal intervals, and the knocking effect is optimized.
The working principle is as follows: when the industrial centrifugal fan capable of controlling the air flow conveying direction is used, the device is firstly placed at a position needing to work, according to the figures 1-11, initially, the air outlet pipe 1 is in a closed state, the side air pipe 7 is in an open state, when a worker needs to adjust the air flow conveying direction, the press plate 10 is pulled firstly, the lower surface of the press plate 10 is not contacted with the baffle 9, the baffle 9 rotates clockwise in the air outlet pipe 1 at the moment, after the counterweight block 13 rotates for 90 degrees, the first magnet 15 is far away from the second magnet 19, the sliding block 18 and the lap joint block 20 move rightwards under the resilience force of the second spring 21, the connecting shaft 16 loses the tensile force of the lap joint block 20 and the traction rope 22, the connecting shaft 16 rotates clockwise for 90 degrees under the gravity action of the side plate 17 at the moment, namely, the air outlet pipe 1 is opened, and the side air pipe 7 is closed, so that the purpose of changing the air flow conveying direction is achieved, the convex blocks 23 and the grooves 24 prevent the connecting shaft 16 and the side plates 17 from continuously rotating clockwise, so that the sealing performance is ensured;
when the device works, the wind power drives the wind receiving plate 26 and the rotating shaft 25 to rotate, at the moment, the movable plate 29 makes reciprocating linear motion under the action of the wind receiving plate 26, the connecting rod 31 and the third spring 30, namely, the knocking block 28 can knock the inner wall of the wind outlet pipe 1 (or the side wind pipe 7) one time and again, so that the wind outlet pipe 1 (or the side wind pipe 7) is in a slight vibration state, dust drops from the inner wall, and finally is discharged out of the device along with the wind power, so that the residual dust on the inner wall of the device is less.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. An industrial centrifugal fan capable of controlling the air flow conveying direction comprises an air outlet pipe (1) and a fixed seat (3), wherein a volute (6) is fixedly installed on the lower surface of the air outlet pipe (1), a supporting seat (5) is fixedly installed on the lower surface of the volute (6), and a base (2) is fixedly installed on the lower surface of the supporting seat (5);
the fixed seat (3) is arranged on the upper surface of the base (2), and the upper surface of the fixed seat (3) is fixedly provided with the motor (4);
it is characterized by also comprising:
the side air pipe (7) is fixedly arranged on the right side of the air outlet pipe (1), the interior of the air outlet pipe (1) is rotatably connected with a long pin (8), and a limiting groove (14) is formed in the interior of the air outlet pipe (1);
the pressing plate (10) is arranged inside the air outlet pipe (1) in a sliding mode, and the pressing plate (10) penetrates through the air outlet pipe (1);
the connecting shaft (16) is rotatably connected inside the side air pipe (7), the inside of the side air pipe (7) and the inside of the air outlet pipe (1) are rotatably connected with a rotating shaft (25), and fixing plates (27) are fixedly arranged inside the side air pipe (7) and the air outlet pipe (1);
the sliding block (18) is arranged inside the side air pipe (7) in a sliding mode, and a groove (24) is formed in the side air pipe (7);
the movable plate (29) is connected inside the fixed plate (27) in a sliding mode, and the knocking block (28) is fixedly mounted on the surface of the movable plate (29).
2. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 1, wherein: the surface of the long pin (8) is fixedly provided with a baffle (9) corresponding to the pressing plate (10), the upper side and the lower side of the pressing plate (10) are fixedly provided with sliding blocks (11), and the right side of the long pin (8) is fixedly provided with a balancing weight (13) corresponding to the limiting groove (14).
3. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 2, wherein: the rotating angle of the balancing weight (13) is 0-90 degrees, a first magnet (15) is fixedly mounted on the right side of the baffle (9), a second magnet (19) corresponding to the first magnet (15) is fixedly mounted on the left side of the sliding block (18), and the magnetic poles of the second magnet (19) and the adjacent position of the first magnet (15) are opposite.
4. An industrial centrifugal fan capable of controlling the direction of air flow delivery according to claim 1, wherein: the surface of the sliding block (18) is attached to the inner wall of the side air pipe (7), the surface of the sliding block (18) is fixedly provided with a lapping block (20), and the lapping block (20) is distributed symmetrically about the center of the sliding block (18).
5. An industrial centrifugal fan capable of controlling the conveying direction of air flow according to claim 4, wherein: the right side fixed mounting of sliding block (18) has second spring (21) that plays the elasticity effect of resetting, and the other side of second spring (21) with the inner wall fixed connection of side tuber pipe (7) to second spring (21) are the state of being stretched when initiating, the right side fixed connection of overlap joint piece (20) haulage rope (22).
6. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 5, wherein: the other side of the traction rope (22) is fixedly connected to the surface of the connecting shaft (16), the traction rope (22) is in a tensioned state initially, a side plate (17) is fixedly mounted on the surface of the connecting shaft (16), a convex block (23) corresponding to the groove (24) is fixedly mounted on the surface of the connecting shaft (16), and meanwhile the rotating angle of the convex block (23) ranges from 0 degree to 90 degrees.
7. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 2, wherein: the fixed surface of slider (11) installs first spring (12) that play the elasticity effect that resets, and the other one side of first spring (12) with the inner wall fixed connection who goes out tuber pipe (1), long round pin (8) run through in the inside of going out tuber pipe (1), and the terminal fixed mounting of long round pin (8) has handle (32).
8. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 1, wherein: the surface of the rotating shaft (25) is fixedly provided with the wind receiving plates (26), the wind receiving plates (26) are distributed on the surface of the rotating shaft (25) at equal angles, and the surface of each wind receiving plate (26) is arc-shaped.
9. An industrial centrifugal fan capable of controlling the direction of air flow in accordance with claim 8, wherein: the surface of the movable plate (29) is fixedly provided with a connecting rod (31) corresponding to the wind receiving plate (26), the connecting rod (31) penetrates through the fixed plate (27), and the inner wall of the fixed plate (27) is fixedly provided with a third spring (30) playing a role in elastic reset.
10. An industrial centrifugal fan capable of controlling the direction of air flow delivery according to claim 9, wherein: the other side of the third spring (30) is fixedly connected with the surface of the movable plate (29), and the knocking blocks (28) are distributed on the surface of the movable plate (29) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524278.3A CN114754016A (en) | 2022-05-13 | 2022-05-13 | Industrial centrifugal fan capable of controlling air flow conveying direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524278.3A CN114754016A (en) | 2022-05-13 | 2022-05-13 | Industrial centrifugal fan capable of controlling air flow conveying direction |
Publications (1)
| Publication Number | Publication Date |
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| CN114754016A true CN114754016A (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210524278.3A Withdrawn CN114754016A (en) | 2022-05-13 | 2022-05-13 | Industrial centrifugal fan capable of controlling air flow conveying direction |
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| Country | Link |
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| CN (1) | CN114754016A (en) |
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Application publication date: 20220715 |