CN213451011U - Single-phase six-pole external rotation broadband alternating-current heat dissipation axial flow fan - Google Patents
Single-phase six-pole external rotation broadband alternating-current heat dissipation axial flow fan Download PDFInfo
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- CN213451011U CN213451011U CN202022439605.4U CN202022439605U CN213451011U CN 213451011 U CN213451011 U CN 213451011U CN 202022439605 U CN202022439605 U CN 202022439605U CN 213451011 U CN213451011 U CN 213451011U
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Abstract
The utility model discloses a single-phase six utmost points external wide band alternating current heat dissipation axial fan that rotates, including vertical cylinder casing, the coaxial pivot that is equipped with in the casing, a plurality of blades of circumference equipartition are overlapped to the pivot middle part cover, all there is dustproof mechanism in the pivot, dustproof mechanism includes the axle sleeve, the axle sleeve outer fringe is the polygon, the axle sleeve inner edge rotates with the pivot to be connected, be connected through a plurality of connecting shafts between axle sleeve and the casing, a plurality of connecting shafts correspond with the outer fringe face one-to-one of axle sleeve perpendicularly, it is connected with the baffle to rotate on the connecting shaft, establish the torsional spring connection on the connecting shaft through the cover between baffle and the axle sleeve, a plurality of baffle terminal surfaces are parallel and level, the baffle slides with sealing between the corresponding axle sleeve outer fringe face, slide sealing between baffle and the casing inner wall, sealing; the utility model relates to an ingenious, the baffle has dustproof effect when shutting down, has the water conservancy diversion effect when starting to the baffle does not need artifical the participation along with opening and close automatic change of device between dustproof and water conservancy diversion.
Description
Technical Field
The utility model relates to an aviation military project airborne radar axial fan technical field especially relates to a single-phase hexapole is abversion wide band and is exchanged heat dissipation axial fan.
Background
Although there is dust keeper among the axial fan after current improvement, dust keeper is in the same place with casing demountable installation, all need dismantle dust keeper when axial fan starts and closes at every turn, and it is very inconvenient to use.
The mode that current axial fan solved top vortex noise is with casing and fan integrated design, can the at utmost reduce top vortex noise like this, but the motor should drive casing and fan integrative the rotation simultaneously, has increased the consumption of motor power, and some improve or make the mode of blade outward flange and casing inner wall contact reduce top vortex noise on the blade, but can not fall the noise to the utmost.
Disclosure of Invention
To the above situation, for overcoming the defect of prior art, the utility model aims to provide a single-phase six utmost points are abversion wide band alternating current heat dissipation axial fan, can guarantee that the motor reduces top eddy current noise and realizes the automatic dirt-proof effect after shutting down with less power consumption the at utmost.
The technical scheme who its solve is, including vertical cylinder casing, there is the pivot coaxial with the casing in the casing, and pivot middle part cover is equipped with a plurality of blades of circumference equipartition, and pivot upper portion and lower part all have dustproof mechanism, and dustproof mechanism establishes the epaxial axle sleeve of pivot including the cover, and the axle sleeve outer fringe is the polygon, and the axle sleeve inner edge is rotated with the pivot and is connected, through the even hub connection of a plurality of horizontally along axle sleeve outer fringe profile direction evenly distributed between axle sleeve and the casing, a plurality of links the axle and the outer fringe face one-to-one vertical correspondence of axle sleeve, even epaxial rotation is connected with the baffle, and through the cover establish epaxial torsional spring coupling between baffle and the axle sleeve, a plurality of baffle terminal surface parallel and level, baffle and the sealed slip between the corresponding axle sleeve outer fringe face, sealed slip between baffle and the casing inner wall, sealed contact between two.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages that;
1. the utility model discloses a baffle seals the casing when axial fan closes, because pressure differential is pushed open by the air current when axial fan starts, has realized stopping the automatic dustproof in back, the effect of ventilating fast after the start.
2. The utility model discloses a baffle can carry out the water conservancy diversion to gas after being pushed open by the air current, has reduced the turbulent phenomenon in the gas, has reduced the noise, has reduced the power consumption of motor.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a top sectional view of the present invention.
Fig. 4 is a perspective view of the housing of the present invention.
The attached drawings are marked as follows: 1-machine shell, 2-rotating shaft, 3-blade, 4-shaft sleeve, 5-connecting shaft, 6-baffle, 7-motor, 8-circular ring, 9-annular rubber pad, 10-first metal ring, 11-second metal ring and 12-ring groove.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1 to 4, the utility model comprises a vertical cylindrical casing 1, a rotating shaft 2 coaxial with the casing 1 is arranged in the casing 1, a plurality of blades 3 evenly distributed along the circumferential direction of the rotating shaft 2 are sleeved in the middle of the rotating shaft 2, the upper part and the lower part of the rotating shaft 2 are provided with dustproof mechanisms respectively, each dustproof mechanism comprises a shaft sleeve 4 sleeved on the rotating shaft 2, the outer edge of each shaft sleeve 4 is square, the inner edge of each shaft sleeve 4 is rotationally connected with the rotating shaft 2, the shaft sleeves 4 are connected with the casing 1 through a plurality of horizontal connecting shafts 5 evenly distributed along the outline direction of the outer edge of each shaft sleeve 4, the connecting shafts 5 vertically correspond to the outer edge surfaces of the shaft sleeves 4 one by one, the connecting shafts 5 are arranged along the radial direction of the rotating shaft 2, a plurality of horizontal baffles 6 evenly distributed along the outline direction of the outer edge of each shaft sleeve 4 are arranged between each shaft sleeve 4 and the casing 1, the baffles 6, the baffle 6 and the shaft sleeve 4 are connected through a torsion spring sleeved on the connecting shaft 5, the end faces of the baffle plates 6 are parallel and level, the baffle plates 6 and the corresponding outer edge faces of the shaft sleeve 4 slide in a sealing mode, the baffle plates 6 and the inner wall of the casing 1 slide in a sealing mode, two adjacent baffle plates 6 are in sealing contact with each other, the casing 1 is sealed, and the rotating shaft 2 is driven by a motor 7 installed on the casing 1.
When the utility model is used, the motor 7 is started, the rotating shaft 2 drives the blades 3 to rotate, external air pushes away the baffle 6 on the upper part of the rotating shaft 2 to flow into the casing 1, because of the torsion action of the torsional spring between the baffle 6 and the shaft sleeve 4, the baffle 6 is pushed away to a certain position and then does not move, at the moment, the air flows to the blades 3 from between the two adjacent baffles 6, the baffle 6 on the upper part of the rotating shaft 2 realizes the diversion effect, then the air pushes away the baffle 6 on the lower part of the rotating shaft 2 to flow out of the axial flow fan, the baffle 6 on the lower part of the rotating shaft 2 also realizes the diversion effect, because the torsional spring on the upper part of the rotating shaft 2 is different from the torsional spring on the lower part of the rotating shaft 2, the deflection angle of the baffle 6 on the upper part of the rotating shaft 2 after being pushed away by the air is less than 90 degrees around the connecting shaft 5, the deflection angle of, when the utility model discloses after the use, under the effect of the torsional spring between baffle 6 and axle sleeve 4, baffle 6 resets, seals casing 1, has realized preventing that external dust from getting into the phenomenon in casing 1.
Further, casing 1 in have with casing 1 coaxial ring 8, ring 8 with the outward flange of a plurality of blades 3 is connected, casing 1 is last to have the annular 12 that corresponds with ring 8, ring 8 is arranged in annular 12, casing 1 is last to have the coaxial annular 12 of arranging in and to arrange annular 8 outlying ring rubber pad 9 in, there is the smooth first becket 10 in surface coaxial with casing 1 between ring rubber pad 9 and the ring 8, first becket 10 outer fringe is connected with ring rubber pad 9, rotate seal between first becket 10 inner edge and the ring 8.
When the utility model is used, the motor 7 is started, the ring 8 can rotate through the transmission of the rotating shaft 2 and the blades 3, and the ring 8 can swing along the radial direction of the rotating shaft 2 in the rotating process, so that the energy can be absorbed due to the existence of the annular rubber pad 9, and the swing of the ring 8 is reduced; the arrangement of the first metal ring 10 enables the circular ring 8 not to be directly contacted with the annular rubber pad 9, so that friction force is reduced, and the circular ring 8 can rotate conveniently.
Furthermore, an annular rubber pad coaxial with the casing 1 is arranged on the inner edge surface of the shaft sleeve 4, a second metal ring 11 coaxial with the casing 1 and having a smooth surface is arranged between the annular rubber pad and the rotating shaft 2, the outer edge of the second metal ring 11 is connected with the annular rubber pad, the inner edge of the second metal ring 11 is coaxially sealed with the rotating shaft 2, and the annular rubber pad is used for absorbing energy and reducing radial shaking when the rotating shaft 2 rotates.
Further, the motor 7 is arranged in the casing 1 and coaxially connected with the rotating shaft 2, and the motor 7 is connected with the casing 1 through a plurality of rib plates distributed along the circumferential direction of the casing 1.
Furthermore, sound absorption materials such as glass fiber yarns, low-carbon steel wire meshes, felts and the like are coated on the inner wall of the machine shell 1.
Further, the motor 7 is of a single-phase six-pole external-rotation broadband ac type.
The utility model discloses a baffle seals the casing when axial fan closes, because pressure differential is pushed open by the air current when axial fan starts, has realized stopping the automatic dustproof in back, the effect of ventilating fast after the start.
The utility model discloses a baffle can carry out the water conservancy diversion to gas after being pushed open by the air current, has reduced the turbulent phenomenon in the gas, has reduced the noise, has reduced the power consumption of motor, and the baffle does not need artifical the participation along with opening and close automatic change of device between dustproof and water conservancy diversion.
The utility model discloses a sealed design of rotation between first becket and the ring has reduced the air current of blade concave surface through the production of the phenomenon of blade convex surface of blade outward flange inflow to the at utmost to greatly reduced top vortex noise.
The utility model discloses an annular rubber pad and annular rubber pad design have realized the whole shock attenuation effect to the device.
The utility model discloses a motor start-up back only to countershaft, ring, blade do work, not to the casing do work, reduced motor power consumption.
The utility model discloses a sound absorbing material can be right the utility model discloses the noise that the operation inside produced carries out effectual absorption.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (6)
1. A single-phase hexapole external rotation broadband alternating current heat dissipation axial flow fan comprises a vertical cylindrical casing (1), and is characterized in that a rotating shaft (2) coaxial with the casing (1) is arranged in the casing (1), a plurality of blades (3) uniformly distributed on the circumference are sleeved in the middle of the rotating shaft (2), dustproof mechanisms are arranged on the upper portion and the lower portion of the rotating shaft (2) respectively, each dustproof mechanism comprises a shaft sleeve (4) sleeved on the rotating shaft (2), the outer edge of each shaft sleeve (4) is polygonal, the inner edge of each shaft sleeve (4) is rotatably connected with the rotating shaft (2), the shaft sleeves (4) are connected with the casing (1) through a plurality of horizontal connecting shafts (5) uniformly distributed along the outline direction of the outer edge of each shaft sleeve (4), the connecting shafts (5) vertically correspond to the outer edge surfaces of the shaft sleeves (4) one by one to one, baffle plates (6) are rotatably connected on the connecting shafts (5), and the baffle plates (6) are connected with the shaft sleeves, the end faces of the baffle plates (6) are flush, the baffle plates (6) and the outer edge faces of the corresponding shaft sleeves (4) slide in a sealing mode, the baffle plates (6) and the inner wall of the machine shell (1) slide in a sealing mode, two adjacent baffle plates (6) are in sealing contact, and the rotating shaft (2) is driven by a motor (7) installed on the machine shell (1).
2. The single-phase six-pole external-rotation broadband alternating-current heat dissipation axial flow fan according to claim 1, wherein a ring (8) coaxial with the casing (1) is arranged in the casing (1), the ring (8) is connected with outer edges of the plurality of blades (3), a ring groove (12) corresponding to the ring (8) is formed in the casing (1), the ring (8) is arranged in the ring groove (12), an annular rubber pad (9) coaxially arranged in the ring groove (12) and arranged at the periphery of the ring (8) is arranged on the casing (1), a first metal ring (10) with a smooth surface is arranged between the annular rubber pad (9) and the ring (8), an outer edge of the first metal ring (10) is connected with the annular rubber pad (9), and the inner edge of the first metal ring (10) is rotatably sealed with the ring (8).
3. The axial flow fan with single-phase six-pole external rotation broadband alternating current heat dissipation as claimed in claim 1, wherein the inner edge surface of the shaft sleeve (4) is provided with an annular rubber pad coaxial with the casing (1), a second metal ring (11) with a smooth surface is arranged between the annular rubber pad and the rotating shaft (2), the outer edge of the second metal ring (11) is connected with the annular rubber pad, and the inner edge of the second metal ring (11) is coaxially sealed with the rotating shaft (2).
4. The axial flow fan with single-phase six-pole external rotation broadband alternating-current heat dissipation as recited in claim 1, wherein the motor (7) is disposed in the casing (1) and coaxially connected to the shaft (2), and the motor (7) is connected to the casing (1) through a rib plate.
5. The axial flow fan with single-phase six-pole external-rotating broadband alternating-current heat dissipation as claimed in claim 1, wherein the inner wall of the casing (1) is coated with a sound-absorbing material.
6. The axial flow fan with single-phase six-pole external-rotating broadband alternating-current heat dissipation of claim 4, wherein the motor (7) is of single-phase six-pole external-rotating broadband alternating-current type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439605.4U CN213451011U (en) | 2020-10-28 | 2020-10-28 | Single-phase six-pole external rotation broadband alternating-current heat dissipation axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439605.4U CN213451011U (en) | 2020-10-28 | 2020-10-28 | Single-phase six-pole external rotation broadband alternating-current heat dissipation axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN213451011U true CN213451011U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022439605.4U Active CN213451011U (en) | 2020-10-28 | 2020-10-28 | Single-phase six-pole external rotation broadband alternating-current heat dissipation axial flow fan |
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| CN (1) | CN213451011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028277A (en) * | 2023-09-25 | 2023-11-10 | 广州天下机电设备有限公司 | Axial flow fan |
-
2020
- 2020-10-28 CN CN202022439605.4U patent/CN213451011U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117028277A (en) * | 2023-09-25 | 2023-11-10 | 广州天下机电设备有限公司 | Axial flow fan |
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