CN203743023U - Axial flow fan with adjustable movable vanes - Google Patents
Axial flow fan with adjustable movable vanes Download PDFInfo
- Publication number
- CN203743023U CN203743023U CN201420043591.6U CN201420043591U CN203743023U CN 203743023 U CN203743023 U CN 203743023U CN 201420043591 U CN201420043591 U CN 201420043591U CN 203743023 U CN203743023 U CN 203743023U
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- China
- Prior art keywords
- fixed
- blade
- wheel disc
- sleeve
- air duct
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of ventilation, in particular to an axial flow fan with adjustable movable vanes. The axial flow fan with the adjustable movable vanes comprises an air duct, a driving motor, a wheel disc, the vanes, a locking sleeve and a fairing. The vanes are evenly distributed on the wheel disc, a supporting plate is welded and fixed on the inner wall of the air duct, and the driving motor is fixed on the supporting plate. The driving motor is placed at the center of the air duct, and the axis of the driving motor coincides with the axis of the air duct. The wheel disc is fixed on a driving motor shaft through a key, and the driving motor is placed at the front end of the wheel disc. The vanes are fixed on the wheel disc through nuts, and gears are connected with vane handles. The locking sleeve is sleeved with a sleeve, a rack is fixed at the bottom of the sleeve, and the rack is meshed with the gears. By means of the axial flow fan with the adjustable movable vanes, the air volume adjusting effect can be achieved by directly adjusting the mounting angles of the vanes. The axial flow fan with the adjustable movable vanes is simple and practical in structure, low in manufacturing cost and extremely large in market promotion value.
Description
Technical field
The utility model relates to aeration technology field, relates in particular a kind of movable vane adjustable axial-flow ventilator.
Background technique
Propeller fan peculiar to vessel is mainly used in each ventilation for cabin room ventilation, boiler draft on boats and ships.In using process, along with boats and ships present position difference and seasonal variations etc., Air Quantity Required is different, and this just need to regulate main fan blade angle to meet different air quantity requirements.
Patent publication No. CN102493964A discloses a kind of moving blade regulating device for axial flow fan, comprises worm gear, worm screw, leading screw, nut shaft, tie-plate and tooth bar.During rotary worm, worm gear drives leading screw rotation, and nut shaft moves axially along leading screw, and tie-plate band carry-over bar makes sharf rotation, thereby the variation of the whole blade angles of disposable synchronous realization, can realize after parking and can one subsynchronous the vaned established angle of institute to be overturn 180 °.The shortcoming of this structure is to realize the adjusting by a small margin of blade angle.
Patent publication No. CN103206392A discloses a kind of adjustable shutter ventilator, comprise air duct, drive motor, impeller, a plurality of drive motor supporting foots around that are distributed on, one end of supporting foot is fixed on drive motor, the other end is fixed on the base plate of air duct, drive motor is in air duct central authorities, the axis of drive motor and the dead in line of air duct, on the output shaft of drive motor, form a plurality of grooves, on the sidewall of the center hole of the center fixed block of impeller, form a plurality of projections, output shaft sleeve is in the center hole of center fixed block, projection sleeve is in groove, center fixed block is bolted to connection the end at output shaft.By fixing bolt is unscrewed, then blade assembly and fixed plate are pulled out to rotor blade assembly, adjust to desired angle, and then coupling shaft is inserted in internal gear piece, external tooth is meshed with the internal tooth of internal gear piece, then fixing bolt is tightened and completed adjusting and can realize air quantity and regulate.The shortcoming of this structure is that loaded down with trivial details, the consuming time length of adjustment process, can not realize quick adjustment.
Model utility content
The purpose of this utility model is to provide a kind of movable vane adjustable axial-flow ventilator,
Technology solution of the present utility model is as follows: a kind of movable vane adjustable axial-flow ventilator, comprise air duct, drive motor, wheel disc, blade, locking sleeve, cowling, blade is distributed on wheel disc, dunnage is weldingly fixed on air duct inwall, drive motor is fixed in dunnage, drive motor is in air duct central authorities, the axis of drive motor and the dead in line of air duct, wheel disc is fixed on drive motor axle by key, described drive motor is positioned at wheel disc front end, blade pass is crossed nut and is fixed on wheel disc, gear is connected with blade petiole, on locking sleeve, cover has sleeve, sleeve bottom is fixed with tooth bar, this rack and pinion interlock.
Preferably, lobe numbers is greater than three.
Preferably, gear is fixed on blade petiole by key and nut.
Preferably, the tooth bar number of the number of blade of blade, the number of gears of gear, tooth bar, three equates.
Preferably, tooth bar can be fixed on sleeve by the Placement of screw, bolt, welding or riveted joint.
Preferably, described sleeve and locking sleeve are slidably connected.
The beneficial effects of the utility model are: (1) the utility model directly adjusting vane established angle reaches the effect that regulates air quantity, the adjusting of air quantity is become simply, facilitate; (2) stop after without dismounting, only need loose nut, move axially sleeve, and drive the tooth bar be fixedly connected with it, moving horizontally of tooth bar drives and its meshed gears rotation, thereby change the rotation of the blade bottom petiole being fixedly connected with gear, thereby can complete fast the synchronization regulation of blade angle; (3) the utility model is simple and practical, cheap, has greatly market popularization value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
1-air duct; 2-drive motor; 3-wheel disc; 4-blade; 5-key; 6-locking sleeve; 7-sleeve; 8-tooth bar; 9-gear; 10-nut; 11-cowling; 12-dunnage.
Embodiment
Embodiment: see shown in Fig. 1 and Fig. 2, a kind of movable vane adjustable axial-flow ventilator, comprise air duct 1, drive motor 2, wheel disc 3, blade 4, locking sleeve 7, cowling 11, blade 4 is distributed on wheel disc 3, dunnage 12 is weldingly fixed on air duct 1 inwall, drive motor 2 is fixed in dunnage 12, drive motor 2 is in air duct 1 central authorities, the dead in line of the axis of drive motor 2 and air duct 1, wheel disc 3 is fixed on drive motor 2 axles by key, described drive motor 2 is positioned at wheel disc 3 front ends, blade 4 is fixed on wheel disc 3 by nut 10, gear 9 is connected with blade 4 petioles, on locking sleeve 6, cover has sleeve 7, sleeve 7 bottoms are fixed with tooth bar 8, this tooth bar 8 and gear 9 interlocks.
Described blade 4 numbers are greater than three.
Described gear 9 is fixed on blade 4 petioles by key and nut.
The tooth bar number of the number of gears of the number of blade of described blade 4, gear 9, tooth bar 8, three equates.
Described tooth bar 8 can be fixed on sleeve by Placements such as screw, bolt, welding, riveted joints.Described sleeve 7 is slidably connected with locking sleeve 6.
The utility model working principle: by nut 10 is unscrewed, moving sleeve 7 vertically, and blade 4 can be rotated with the variation of sleeve 7 positions, and then has changed blade 4 established angles, blade 4 established angles are adjusted to institute's required angle, and then nut 10 is tightened and completed adjusting.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a movable vane adjustable axial-flow ventilator, comprise air duct (1), drive motor (2), wheel disc (3), blade (4), locking sleeve (6), cowling (11), blade (4) is distributed on wheel disc (3), dunnage (12) is weldingly fixed on air duct (1) inwall, drive motor (2) is fixed in dunnage (12), drive motor (2) is positioned at air duct (1) central authorities, the dead in line of the axis of drive motor (2) and air duct (1), wheel disc (3) is fixed on drive motor (2) axle by key (5), it is characterized in that: described drive motor (2) is positioned at wheel disc (3) front end, blade (4) is fixed on wheel disc (3) by nut (10), gear (9) is connected with blade (4) petiole, the upper cover of locking sleeve (6) has sleeve (7), sleeve (7) bottom is fixed with tooth bar (8), this tooth bar (8) and gear (9) interlock.
2. a kind of movable vane adjustable axial-flow ventilator according to claim 1, is characterized in that: the lobe numbers of described blade (4) is greater than three.
3. a kind of movable vane adjustable axial-flow ventilator according to claim 1, is characterized in that: described gear (9) is fixed on blade (4) petiole by key and nut.
4. a kind of movable vane adjustable axial-flow ventilator according to claim 1, is characterized in that: the number of gears of the number of blade of described blade (4), gear (9), the tooth bar number of tooth bar (8), three equates.
5. according to a kind of movable vane adjustable axial-flow ventilator described in claim 1 ~ 4 any one claim, it is characterized in that: described tooth bar (8) is fixed on sleeve (7) by screw, bolt, welding or riveting mode.
6. according to a kind of movable vane adjustable axial-flow ventilator described in claim 1 ~ 4 any one claim, it is characterized in that: described sleeve (7) is slidably connected with locking sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043591.6U CN203743023U (en) | 2014-01-24 | 2014-01-24 | Axial flow fan with adjustable movable vanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043591.6U CN203743023U (en) | 2014-01-24 | 2014-01-24 | Axial flow fan with adjustable movable vanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743023U true CN203743023U (en) | 2014-07-30 |
Family
ID=51342831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043591.6U Expired - Fee Related CN203743023U (en) | 2014-01-24 | 2014-01-24 | Axial flow fan with adjustable movable vanes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775363A (en) * | 2014-01-24 | 2014-05-07 | 江苏大学 | Axial flow fan with adjustable movable blades |
| CN110081005A (en) * | 2019-04-30 | 2019-08-02 | 鲍尘琨 | A kind of large axial flow fan of shaftless adjusting rotor blade and synchrolock leaf |
-
2014
- 2014-01-24 CN CN201420043591.6U patent/CN203743023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775363A (en) * | 2014-01-24 | 2014-05-07 | 江苏大学 | Axial flow fan with adjustable movable blades |
| CN110081005A (en) * | 2019-04-30 | 2019-08-02 | 鲍尘琨 | A kind of large axial flow fan of shaftless adjusting rotor blade and synchrolock leaf |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170124 |