CN214247759U - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
- Publication number
- CN214247759U CN214247759U CN202120302359.XU CN202120302359U CN214247759U CN 214247759 U CN214247759 U CN 214247759U CN 202120302359 U CN202120302359 U CN 202120302359U CN 214247759 U CN214247759 U CN 214247759U
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- motor
- filter screen
- dryer
- fan
- axial flow
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Abstract
The utility model discloses an axial flow fan, including dryer, motor support, motor and fan blade, the dryer internal fixation has motor support, be provided with on the motor support the motor, be provided with on the output shaft of motor the fan blade, the air outlet both sides of dryer are relative is provided with the guide way, it is provided with the filter screen area to slide in the guide way, filter screen area both ends are convoluteed on first winding axle and second winding axle, first winding axle is by a winding motor drive, the winding motor is connected with controlling means, be provided with pipeline air velocity transducer in the dryer, pipeline air velocity transducer connects controlling means. The axial flow fan is provided with the filter screen belt at the air outlet of the fan, and the filter screen belt can be automatically moved during operation, so that the time for replacing the filter screen can be effectively prolonged, and the fan can operate for a longer time on the premise of not replacing the filter screen.
Description
Technical Field
The utility model belongs to the technical field of the fan, specifically an axial fan.
Background
Fans are devices used for air circulation or transport, and are widely used in factories and buildings. The axial flow fan generally includes an air duct, a motor positioning support is fixed in the air duct, a motor is fixed on the motor positioning support, and a fan blade is installed on an output shaft of the motor and is driven to rotate by the rotation of the motor, so that gas or smoke dust flows in the air duct.
Some axial fan carry when having the gas of more dust, generally be equipped with the filter screen in the air outlet position, but the filter screen can lead to the air output of filter screen to reduce after using a period, influences gaseous transport efficiency, consequently must regularly change the filter screen and guarantee gaseous transport efficiency and filter effect.
Disclosure of Invention
The utility model discloses it is not enough to prior art, provide an axial fan, this kind of axial fan is equipped with the filter screen area at the air outlet of fan, can make the filter screen area remove automatically when the operation to can effectively prolong the time of changing the filter screen, make the fan can move longer time under the prerequisite of not changing the filter screen.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides an axial fan, includes dryer, motor support, motor and fan blade, the dryer internal fixation has motor support, the last motor that is provided with of motor support, be provided with on the output shaft of motor the fan blade, the air outlet both sides of dryer are relative is provided with the guide way, it is provided with the filter screen area to slide in the guide way, filter screen area both ends are convoluteed on first winding axle and second winding axle, first winding axle is by a winding motor drive, the winding motor is connected with controlling means, be provided with pipeline air velocity transducer in the dryer, pipeline air velocity transducer connects controlling means. The axial flow fan is provided with the filter screen belt at the air outlet of the fan, when the axial flow fan operates, the pipeline air speed sensor can detect the air speed in the air cylinder, when the air speed is larger than a set value, the winding motor does not operate, when the air speed is smaller than the set value, the control device controls the winding motor to operate, the winding motor drives the first winding shaft to rotate so that the filter screen belt moves, the winding motor stops operating until the pipeline air speed sensor detects that the air speed is larger than the set value, when the axial flow fan is used, the second winding shaft can be wound with a large amount of clean filter screen belts at one time, therefore, the time for replacing the filter screen can be effectively prolonged, and the fan can operate for a longer time on the premise of not replacing the filter screen.
In the above technical solution, preferably, the first winding shaft and the winding motor are driven by a belt.
In the above technical scheme, preferably, both ends of the guide groove are provided with press rods, and the press rods press the filter screen belt tightly against the air duct. Adopt this structure can reduce gaseous the clearance internal leakage from filter screen area and dryer.
Among the above-mentioned technical scheme, it is preferred, be provided with a plurality of protruding muscle along guide way length direction in the guide way, filter screen area both sides are provided with flexible gib block, be provided with on the flexible gib block with the recess that protruding muscle matches. Adopt this structure can prevent that the filter screen area from deviating from in the guide way.
Among the above-mentioned technical scheme, it is preferred, the air outlet of dryer is provided with the locating rack, be provided with on the locating rack with the opening that the air outlet of dryer matches, the locating rack includes fixed part and rotation portion, the fixed part is fixed in on the dryer, rotation portion with fixed part one end is articulated, rotation portion with the fixed part other end passes through bolt and nut and can dismantle the connection, the fixed part with the cooperation of rotation portion forms the guide way. When the filter screen belt needs to be replaced, the rotating part can be conveniently opened to replace the filter screen belt.
In the above-described technical solution, preferably, the first winding shaft, the second winding shaft, the winding motor, the control device, and the duct wind speed sensor are all provided on the fixing portion. By adopting the structure, the first winding shaft, the second winding shaft, the winding motor, the control device and the pipeline air speed sensor are integrated with the fixed part and the rotating part, so that the conventional axial flow fan without the filter screen belt automatic moving function can be conveniently transformed.
Compared with the prior art, the utility model, following beneficial effect has: the axial flow fan is provided with the filter screen belt at the air outlet of the fan, when the axial flow fan operates, the pipeline air speed sensor can detect the air speed in the air cylinder, when the air speed is larger than a set value, the winding motor does not operate, when the air speed is smaller than the set value, the control device controls the winding motor to operate, the winding motor drives the first winding shaft to rotate so that the filter screen belt moves, the winding motor stops operating until the pipeline air speed sensor detects that the air speed is larger than the set value, when the axial flow fan is used, the second winding shaft can be wound with a large amount of clean filter screen belts at one time, therefore, the time for replacing the filter screen can be effectively prolonged, and the fan can operate for a longer time on the premise of not replacing the filter screen.
Drawings
Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an expanded structure of the positioning frame according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of a mesh belt according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 3, an axial flow fan, including dryer 1, motor support 2, motor 3 and fan blade 4, dryer 1 internal fixation has motor support 2, be provided with motor 3 on the motor support 2, be provided with fan blade 4 on the output shaft of motor 3, the air outlet both sides of dryer 1 are relative is provided with guide way 53, it is provided with filter screen area 6 to slide in the guide way 53, filter screen area 6 both ends are convoluteed on first coiling axle 7 and second coiling axle 8, first coiling axle 7 is driven by a coiling motor 10, coiling motor 10 is connected with controlling means (not drawn in the figure), be provided with pipeline air velocity transducer 9 in the dryer 1, pipeline air velocity transducer 9 connects controlling means. The axial flow fan is provided with the filter screen belt 6 at the air outlet of the fan, when the axial flow fan operates, the pipeline air speed sensor 9 can detect the air speed in the air duct 1, when the air speed is larger than a set value, the winding motor 10 does not operate, when the air speed is smaller than the set value, the control device controls the winding motor 10 to operate, the winding motor 10 drives the first winding shaft 7 to rotate so that the filter screen belt 6 moves, the winding motor 10 stops operating until the pipeline air speed sensor 9 detects that the air speed is larger than the set value, a large amount of clean filter screen belts can be wound on the second winding shaft 8 in one step when the axial flow fan is used, the filter screen replacing time can be effectively prolonged, and the fan can operate for a longer time on the premise of not replacing the filter screen.
In this embodiment, the first winding shaft 7 and the winding motor 10 are driven by a belt.
In this embodiment, in order to reduce the leakage between the filter screen belt 6 and the air duct 1, the two ends of the guide groove 53 are both provided with the pressing rods 54, and the pressing rods 54 press the filter screen belt 6 against the air duct 1.
In this embodiment, a plurality of ribs 531 are disposed in the guide groove 53 along the length direction of the guide groove 53, flexible guide strips 61 are disposed on two sides of the filter screen belt 6, and grooves 62 matched with the ribs 531 are disposed on the flexible guide strips 61. With this structure, the filter screen belt 6 can be prevented from coming out of the guide groove 53.
In this embodiment, the air outlet of dryer 1 is provided with locating rack 5, is provided with the opening that matches with the air outlet of dryer 1 on the locating rack 5, and locating rack 5 includes fixed part 51 and rotating part 52, and fixed part 51 is fixed in on the dryer 1, and rotating part 52 is articulated with fixed part 51 one end, and rotating part 52 passes through the bolt and nut with the fixed part 51 other end and can dismantle the connection, and fixed part 51 forms guide way 53 with rotating part 52 cooperation. With this structure, when the filter screen belt 6 needs to be replaced, the rotating portion 52 can be conveniently opened to replace the filter screen belt 6.
In the present embodiment, the first winding shaft 7, the second winding shaft 8, the winding motor 10, the control device, and the duct wind speed sensor 9 are all provided on the fixing portion 51. The first winding shaft 7, the second winding shaft 8, the winding motor 10, the control device and the pipeline air speed sensor 9 are integrated with the fixing part 51 and the rotating part 52, so that the conventional axial flow fan without the filter screen belt automatic moving function can be conveniently transformed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an axial fan, includes dryer (1), motor support (2), motor (3) and fan blade (4), dryer (1) internal fixation has motor support (2), be provided with on motor support (2) motor (3), be provided with on the output shaft of motor (3) fan blade (4), its characterized in that: the air outlet both sides of dryer (1) are relative is provided with guide way (53), it is provided with filter screen area (6) to slide in guide way (53), filter screen area (6) both ends are convoluteed on first coiling axle (7) and second coiling axle (8), first coiling axle (7) is driven by a coiling motor (10), coiling motor (10) are connected with controlling means, be provided with pipeline air velocity transducer (9) in dryer (1), pipeline air velocity transducer (9) are connected controlling means.
2. The axial flow fan of claim 1, wherein: the first winding shaft (7) and the winding motor (10) are in belt transmission.
3. The axial flow fan of claim 1, wherein: both ends of the guide groove (53) are provided with pressure levers (54), and the filter screen belt (6) is pressed tightly on the air duct (1) by the pressure levers (54).
4. The axial flow fan of claim 1, wherein: the filter screen belt is characterized in that a plurality of convex ribs (531) are arranged in the guide groove (53) along the length direction of the guide groove (53), flexible guide strips (61) are arranged on two sides of the filter screen belt (6), and grooves (62) matched with the convex ribs (531) are formed in the flexible guide strips (61).
5. The axial flow fan of claim 1, wherein: the air outlet of dryer (1) is provided with locating rack (5), be provided with on locating rack (5) with the opening that the air outlet of dryer (1) matches, locating rack (5) include fixed part (51) and rotation portion (52), fixed part (51) are fixed in on dryer (1), rotation portion (52) with fixed part (51) one end is articulated, rotation portion (52) with the connection can be dismantled through bolt and nut to fixed part (51) other end, fixed part (51) with rotation portion (52) cooperation forms guide way (53).
6. The axial flow fan of claim 5, wherein: the first winding shaft (7), the second winding shaft (8), the winding motor (10), the control device and the pipeline wind speed sensor (9) are all arranged on the fixing part (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302359.XU CN214247759U (en) | 2021-02-03 | 2021-02-03 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302359.XU CN214247759U (en) | 2021-02-03 | 2021-02-03 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247759U true CN214247759U (en) | 2021-09-21 |
Family
ID=77795833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302359.XU Active CN214247759U (en) | 2021-02-03 | 2021-02-03 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247759U (en) |
-
2021
- 2021-02-03 CN CN202120302359.XU patent/CN214247759U/en active Active
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