CN214304467U - Self-cleaning axial flow fan - Google Patents
Self-cleaning axial flow fan Download PDFInfo
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- CN214304467U CN214304467U CN202120412252.0U CN202120412252U CN214304467U CN 214304467 U CN214304467 U CN 214304467U CN 202120412252 U CN202120412252 U CN 202120412252U CN 214304467 U CN214304467 U CN 214304467U
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Abstract
The utility model relates to a self-cleaning formula axial fan, including casing, dustproof clean mechanism, installation biax motor in the casing, install on the one end output shaft of biax motor the fan flabellum, connect the integral key shaft through one-way bearing on the other end output shaft of biax motor, dustproof clean mechanism is located one side that fan flabellum was kept away from to the integral key shaft in the casing. By arranging the double-shaft motor and the dustproof cleaning mechanism, when the double-shaft motor drives the fan blades to rotate forwards, air is blown to the outer side of the shell, at the moment, the inner spline shaft sleeve does not rotate along with the fan blades under the action of the one-way bearing, and the dustproof net is not cleaned; when the double-shaft motor drives fan flabellum antiport, blow to the dust screen in to the casing, drive the internal spline axle sleeve simultaneously and make 360 rotations of clearance brush to clear up the dust on the dust screen, realized the self-cleaning of dust screen, clean convenient and fast.
Description
Technical Field
The utility model relates to an axial fan technical field, concretely relates to automatically cleaning formula axial fan.
Background
The axial flow fan mainly comprises a motor, fan blades and a motor, wherein the motor drives the fan blades to rotate to achieve the purpose of conveying gas, and the gas flows parallel to a fan shaft, so that the axial flow fan can be used for ventilation and air exchange in places such as general factories, warehouses, offices, houses and the like.
But current axial fan only installs the dust screen on the casing, when needing the clearance, can only dismantle the dust screen from the casing, can't carry out self-cleaning to axial fan's the angle of blowing is in a direction all the time, can't adjust according to required angle, uses inconveniently.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a self-cleaning formula axial fan.
In order to achieve the above object, the utility model adopts the following technical scheme:
a self-cleaning axial flow fan comprises a casing and a dustproof cleaning mechanism, wherein a double-shaft motor is arranged in the casing, the fan blades are arranged on an output shaft at one end of the double-shaft motor, a spline shaft is connected on an output shaft at the other end of the double-shaft motor through a one-way bearing, the dustproof cleaning mechanism is positioned on one side of the spline shaft in the machine shell, which is far away from the fan blades of the fan, the dustproof cleaning mechanism comprises an inner annular frame and an outer annular frame, the inner annular frame is positioned at the inner side of the outer annular frame and fixed with each other through a connecting rod, a dustproof net is arranged between the inner annular frame and the outer annular frame, the inner side of the inner annular frame is rotationally connected with an inner spline shaft sleeve matched with the spline shaft, one end of the inner spline shaft sleeve is sleeved on the spline shaft, the fixed clearance brush of the other end of internal spline axle sleeve is in order to clear up the dust screen, outer annular frame is fixed on the casing inner wall.
In any one of the above schemes, preferably, the dust screen is of an annular structure, the cleaning brush is located on one side of the dust screen, which is far away from the spline shaft, and the connecting rod is located on one side of the dust screen, which is close to the spline shaft.
In any of the above solutions, it is preferable that an annular disc is welded to an inner wall of the casing, and the outer annular frame is detachably fixed to the annular disc by a fastener.
In any of the above schemes, preferably, a base is arranged below the casing, and the casing is connected with the base through an air outlet angle adjusting mechanism.
Preferably in any one of the above schemes, the air outlet angle adjusting mechanism includes a support plate and a screw rod, the support plate is fixed on the base, two ends of the top of the support plate are respectively hinged with the outer wall of the bottom of the casing, the screw rod penetrates through the support plate, one end of the screw rod is hinged with the offset rod, the offset rod is hinged with the bottom of the casing, the screw rod is connected with two limit blocks in a threaded manner, the two limit blocks are respectively located on two sides of the support plate, and the two limit blocks clamp the support plate.
In any of the above solutions, preferably, the support plate is located below one end of the casing, and the offset rod is hinged to the bottom wall of the other end of the casing.
In any of the above schemes, preferably, the portion where the two ends of the top of the supporting plate are hinged to the casing and the portion where the offset rod is hinged to the bottom wall of the casing form an isosceles triangle structure to increase stability.
In any of the above schemes, preferably, the sliding block is fixed at a position of the bottom of the screw rod close to the offset rod, the base is fixed with a sliding rail matched with the sliding block, the sliding block is connected with the sliding rail in a sliding manner, and the sliding rail is located on one side of the supporting plate.
Compared with the prior art, the utility model provides a pair of automatically cleaning formula axial fan has following beneficial effect:
1. by arranging the double-shaft motor and the dustproof cleaning mechanism, when the double-shaft motor drives the fan blades to rotate forwards, air is blown to the outer side of the shell, at the moment, the inner spline shaft sleeve does not rotate along with the fan blades under the action of the one-way bearing, and the dustproof net is not cleaned; when the fan blades of the fan are driven by the double-shaft motor to rotate reversely, the dust screen is blown into the machine shell, and meanwhile, the inner spline shaft sleeve is driven to enable the cleaning brush 360 to rotate so as to clean dust on the dust screen, so that the dust screen is automatically cleaned, and the cleaning is convenient and rapid;
2. the bottom of the casing is provided with the air outlet angle adjusting mechanism to adjust the air outlet angle of the casing, so that the air outlet angle adjusting mechanism is suitable for occasions requiring different air outlet angles, and is wider in application range.
Drawings
Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a self-cleaning axial flow fan provided by the present invention;
fig. 2 is a side view of the inner annular frame, dust screen and outer annular frame connection of fig. 1.
The figures are labeled as follows: 1. a housing; 2. a double-shaft motor; 3. fan blades; 4. a support; 5. an annular disc; 6. an outer annular frame; 7. cleaning the brush; 8. an internal spline shaft sleeve; 9. a spline shaft; 10. a dust screen; 11. an inner annular frame; 12. a base; 13. a limiting block; 14. a support plate; 15. a screw; 16. a slide rail; 17. a slider; 18. an offset lever; 19. a connecting rod.
Detailed Description
In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.
As shown in fig. 1-2, an embodiment of a self-cleaning axial flow fan provided by the present invention includes a casing 1, a dust-proof cleaning mechanism, a dual-shaft motor 2 installed in the casing 1, a fan blade 3 installed on an output shaft at one end of the dual-shaft motor 2, a spline shaft 9 connected to an output shaft at the other end of the dual-shaft motor 2 through a one-way bearing, the dust-proof cleaning mechanism located at a side of the inner spline shaft 9 of the casing 1 away from the fan blade 3, the dust-proof cleaning mechanism including an inner annular frame 11 and an outer annular frame 6, the inner annular frame 11 located at an inner side of the outer annular frame 6 and fixed to each other through a connecting rod 19, a dust-proof net 10 installed between the inner annular frame 11 and the outer annular frame 6, the inner spline shaft 9 fitted with the spline shaft 9 is rotatably connected to the inner side of the inner annular frame 11, two ends of the inner spline shaft 9 fitted with the inner annular frame 8 extend to an outer side of the inner annular frame 11, one end of the inner spline shaft 9 sleeve 8 is sleeved on the spline shaft 9, so that the inner spline shaft 9 sleeve 8 is meshed with the spline shaft 9, the other end of the inner spline shaft 9 sleeve 8 is fixed with the cleaning brush 7 to clean the dust screen 10, and the outer annular frame 6 is fixed on the inner wall of the machine shell 1.
Wherein, clearance brush 7 includes brush-holder stud, brush, and the one end of brush-holder stud is fixed with the one end of internal spline axle 9 cover 8, and the brush is fixed on the brush-holder stud, and the laminating of brush and the lateral wall of dust screen 10 to the separation is in the dust in the outside on clearance dust screen 10.
Specifically, a bracket 4 is fixed on the bottom wall in the machine shell 1, and the double-shaft motor 2 is fixed on the bracket 4, so that the axis of the output shaft of the double-shaft motor 2 is overlapped with the axis of the machine shell 1; the number of connecting rod 19 is two at least, and evenly distributed, and the one end of connecting rod 19 is fixed with the periphery wall of interior annular frame 11, and the other end of connecting rod 19 is fixed with the inner wall of outer annular frame 6.
The dustproof cleaning mechanism is arranged in the machine shell 1, the cleaning hairbrush 7 is driven to rotate through the rotation of the inner spline shaft 9 sleeve 8 so as to clean dust on the dustproof net 10, the inner spline shaft 9 sleeve 8 is driven by the double-shaft motor 2, the automatic cleaning function of the dustproof net 10 is realized, the cleaning is convenient and quick, the spline shaft 9 is connected with the output shaft of the double-shaft motor 2 through a one-way bearing, the spline shaft 9 is enabled to rotate along with the output shaft of the double-shaft motor 2 in the forward direction, the spline shaft 9 can rotate relative to the double-shaft motor 2 in the reverse direction, therefore, the spline shaft 9 does not rotate along with the output shaft, air is exhausted to the outer side of the machine shell 1 when the fan blade 3 rotates in the forward direction, the cleaning hairbrush 7 does not rotate along with the cleaning, when the fan blade 3 blows air into the machine shell 1 so as to blow the dustproof net 10, meanwhile, the cleaning hairbrush 7 rotates along with the output shaft, and the cleaning of the dustproof net 10 is realized under the condition of blowing, the cleaning is cleaner.
The dust screen 10 is the loop configuration, clearance brush 7 is located the one side that integral key shaft 9 was kept away from to dust screen 10, connecting rod 19 is located one side that dust screen 10 is close to integral key shaft 9 to make connecting rod 19 do not hinder clearance brush 7 rotatory 360 in order to clear up dust screen 10 comprehensively.
The inner wall of the machine shell 1 is welded with an annular disc 5, the outer annular frame 6 is detachably fixed on the annular disc 5 through fasteners, the fasteners can be bolts, but are not limited to the above, and the outer annular frame 6 is provided with mounting holes for mounting the bolts and is uniformly distributed in an annular array form.
The lower part of casing 1 is equipped with base 12, casing 1 is connected with base 12 through air-out angle adjustment mechanism.
Air-out angle adjustment mechanism includes backup pad 14, screw rod 15, backup pad 14 is fixed on base 12, the top both ends of backup pad 14 are articulated with the bottom outer wall of casing 1 respectively, screw rod 15 runs through backup pad 14, the articulated skew pole 18 of one end of screw rod 15, skew pole 18 is articulated with the bottom of casing 1, two stopper 13 of threaded connection are gone up to screw rod 15, and two stopper 13 are located the both sides of backup pad 14 respectively, two stopper 13 presss from both sides tight backup pad 14.
The supporting plate 14 is located below one end of the casing 1, and the offset rod 18 is hinged with the bottom wall of the other end of the casing 1.
The hinged part of the two ends of the top of the supporting plate 14 and the casing 1 and the hinged part of the offset rod 18 and the bottom wall of the casing 1 form an isosceles triangle structure to increase stability.
Further, the axis of the screw 15 is parallel to the center line of the casing 1.
The inclination direction of the offset rod 18 is changed by moving the screw rod 15 left and right, so that the casing 1 is inclined upwards or downwards to realize the adjustment of the air outlet angle, and the air outlet device is suitable for occasions requiring different air outlet angles and has a wider application range.
The bottom of the screw rod 15 is close to the position of the offset rod 18 to fix the sliding block 17, the base 12 is fixed with the sliding rail 16 matched with the sliding block 17, the sliding block 17 is connected with the sliding rail 16 in a sliding mode, the sliding rail 16 is located on one side of the supporting plate 14, the sliding block 17 is matched with the sliding rail 16, the sliding rail 16 supports the sliding block 17, the screw rod 15 is supported under the combined action of the sliding block 17 and the supporting plate 14, and improvement of stability of the machine shell 1 is facilitated.
The working principle of the embodiment is as follows: when the fan blades 3 blow air to the outer side of the machine shell 1, the fan blades 3 of the double-shaft motor 2 rotate forward and blow air to the outer side, due to the action of the one-way bearing, the spline shaft 9 rotates in one direction relative to the output shaft, at the moment, the spline shaft 9 does not rotate along with the output shaft, when dust on the dust screen 10 needs to be cleaned, the double-shaft motor 2 rotates in the reverse direction, the fan blades 3 blow air in the reverse direction to blow the dust screen 10, at the moment, the spline shaft 9 cannot rotate relative to the output shaft and rotates along with the output shaft of the double-shaft motor 2, the rotation of the spline shaft 9 drives the inner spline shaft 9 to rotate in the sleeve 8, and therefore the cleaning brush 7360 degrees rotates to clean the dust on the outer side blocked by the dust screen 10, and the self-cleaning function is achieved; when the blowing angle needs to be adjusted, the limiting block 13 is rotated to separate the limiting block 13 from the supporting plate 14, the screw rod 15 moves leftwards or rightwards, the sliding block 17 slides on the sliding rail 16, the screw rod 15 moves leftwards and rightwards to drive the offset rod 18 to offset, so that the casing 1 inclines upwards or downwards, the blowing angle of the fan blades 3 is achieved to meet the requirement, after the angle is adjusted, the limiting block 13 is rotated again to clamp the supporting plate 14, the screw rod 15 cannot move, and the casing 1 is guaranteed to be fixed.
It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A self-cleaning axial flow fan is characterized in that: including casing, dustproof clean mechanism, installation biax motor in the casing, install fan flabellum on the one end output shaft of biax motor, connect the integral key shaft through one-way bearing on the other end output shaft of biax motor, dustproof clean mechanism is located the one side that fan flabellum was kept away from to the integral key shaft in the casing, dustproof clean mechanism includes interior annular frame, outer annular frame, interior annular frame is located the inboard of outer annular frame and passes through connecting rod reciprocal anchorage, install the dust screen between interior annular frame and the outer annular frame, the inboard rotation of interior annular frame is connected with integral key shaft complex internal spline axle sleeve, the pot head of internal spline axle sleeve is on the integral key shaft, the fixed clearance brush of the other end of internal spline axle sleeve is in order to clear up the dust screen, outer annular frame is fixed on the casing inner wall.
2. The self-cleaning axial fan of claim 1, wherein: the dust screen is of an annular structure, the cleaning brush is located on one side, far away from the spline shaft, of the dust screen, and the connecting rod is located on one side, close to the spline shaft, of the dust screen.
3. The self-cleaning axial fan of claim 1, wherein: the inner wall of the shell is welded with an annular disc, and the outer annular frame is detachably fixed on the annular disc through a fastener.
4. The self-cleaning axial fan of claim 1, wherein: the lower side of casing is equipped with the base, the casing passes through air-out angle adjustment mechanism and is connected with the base.
5. The self-cleaning axial fan of claim 4, wherein: the air outlet angle adjusting mechanism comprises a supporting plate and a screw rod, the supporting plate is fixed on the base, two ends of the top of the supporting plate are hinged to the outer wall of the bottom of the casing respectively, the screw rod penetrates through the supporting plate, one end of the screw rod is hinged to the offset rod, the offset rod is hinged to the bottom of the casing, two limiting blocks are connected to the screw rod in a threaded mode and located on two sides of the supporting plate respectively, and the limiting blocks clamp the supporting plate tightly.
6. The self-cleaning axial fan of claim 5, wherein: the supporting plate is located below one end of the shell, and the offset rod is hinged to the bottom wall of the other end of the shell.
7. The self-cleaning axial fan of claim 5, wherein: the position that backup pad top both ends and casing articulated and skew pole and casing diapire articulated position constitute isosceles triangle structure to increase stability.
8. The self-cleaning axial fan of claim 6, wherein: the sliding block is fixed at the position, close to the offset rod, of the bottom of the screw rod, the sliding rail matched with the sliding block is fixed on the base, the sliding block is connected with the sliding rail in a sliding mode, and the sliding rail is located on one side of the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412252.0U CN214304467U (en) | 2021-02-24 | 2021-02-24 | Self-cleaning axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120412252.0U CN214304467U (en) | 2021-02-24 | 2021-02-24 | Self-cleaning axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN214304467U true CN214304467U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120412252.0U Active CN214304467U (en) | 2021-02-24 | 2021-02-24 | Self-cleaning axial flow fan |
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| CN (1) | CN214304467U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790494A (en) * | 2021-10-28 | 2021-12-14 | 赵绪华 | Ventilation energy-saving system of green building |
| CN114810630A (en) * | 2022-05-20 | 2022-07-29 | 刘家伟 | Axial flow fan with noise reduction function |
| CN117869385A (en) * | 2024-02-18 | 2024-04-12 | 广东鑫风风机有限公司 | Axial fan with dustproof construction |
-
2021
- 2021-02-24 CN CN202120412252.0U patent/CN214304467U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790494A (en) * | 2021-10-28 | 2021-12-14 | 赵绪华 | Ventilation energy-saving system of green building |
| CN114810630A (en) * | 2022-05-20 | 2022-07-29 | 刘家伟 | Axial flow fan with noise reduction function |
| CN114810630B (en) * | 2022-05-20 | 2024-01-05 | 伊犁天山水泥有限责任公司 | Axial flow fan with noise reduction function |
| CN117869385A (en) * | 2024-02-18 | 2024-04-12 | 广东鑫风风机有限公司 | Axial fan with dustproof construction |
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