CN110374908B - Fan blade angle-adjustable explosion-proof fan - Google Patents
Fan blade angle-adjustable explosion-proof fan Download PDFInfo
- Publication number
- CN110374908B CN110374908B CN201910651932.5A CN201910651932A CN110374908B CN 110374908 B CN110374908 B CN 110374908B CN 201910651932 A CN201910651932 A CN 201910651932A CN 110374908 B CN110374908 B CN 110374908B
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- Prior art keywords
- fan
- fan blade
- hole
- explosion
- shaft
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- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- 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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- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
Landscapes
- 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 explosion-proof fan with adjustable fan blade angle, which comprises an explosion-proof motor fixed in a fan shell, wherein the explosion-proof motor is connected with a fan blade seat, a plurality of connecting holes which are uniformly distributed in a cylindrical manner are formed in the outer wall of the fan blade seat, and a fan blade assembly is connected to each connecting hole; the fan blade connecting hole comprises a first taper hole and a second taper hole, the fan blade assembly comprises a locking frustum which is large outside and small inside, a connecting rod is fixed on the locking frustum, the connecting rod penetrates through the inner extending end of the locking block to be fixed with driven bevel gears, and each driven bevel gear is meshed with a driving bevel gear of an angle adjusting mechanism arranged on the fan blade seat; the locking frustum is inserted and sleeved in the first taper hole, the locking block is inserted and sleeved in the second taper hole, and the locking block is fixedly connected with the locking frustum through a plurality of screws. The fan blade adjusting mechanism can realize synchronous adjustment of a plurality of fan blades, can adjust to any angle to meet the requirements of different working conditions, and is simple and quick in adjusting method.
Description
Technical Field
The invention relates to the technical field of fans, in particular to an explosion-proof fan with adjustable fan blade angles.
Background
The fan has wide application and is often applied to various places needing cooling and ventilation, and the angle of a blade of the impeller in the existing fan is fixed and can not be adjusted, so that one impeller can only meet the use requirement of one working condition. In the actual use process, due to the fact that the working environment is complex, the required ventilation volume and the required air pressure are different, the ventilator is in the best working state, the ventilator needs to be matched with the impeller with the appropriate parameters, equipment is troublesome to replace, cost burden is increased, and the effective utilization rate of the ventilator is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an explosion-proof fan with adjustable fan blade angles, which can realize synchronous adjustment of a plurality of fan blades and can be adjusted to any angle to meet the requirements of different working conditions, and meanwhile, the adjustment method is simple and rapid.
The scheme for solving the technical problems is as follows:
an explosion-proof fan with adjustable fan blade angles comprises an explosion-proof motor fixed in a fan housing, wherein a motor shaft of the explosion-proof motor is fixedly connected with a fan blade seat with a hollow inner part, a plurality of connecting holes which are uniformly distributed in a cylindrical shape are formed in the outer wall of the fan blade seat, and a fan blade assembly is connected to each connecting hole; the fan blade assembly comprises a locking frustum arranged in a large outer mode and a small inner mode, a connecting rod arranged coaxially with the locking frustum is fixed on the inner side wall of the locking frustum, a driven bevel gear is fixed at the inner extending end of the connecting rod penetrating through the locking block, and each driven bevel gear is meshed with a driving bevel gear of an angle adjusting mechanism arranged on the fan blade seat; the locking frustum is inserted and sleeved in the first conical hole, the locking block is a frustum which is small outside and large inside, the locking block is inserted and sleeved in the second conical hole, and the locking block and the locking frustum are fixedly connected through a plurality of screws.
A connecting plate is formed at the right end inside the fan blade seat;
the angle adjusting mechanism further comprises a rotating shaft fixedly connected with the driving bevel gear, the rotating shaft is rotatably connected onto the connecting plate, a large gear is fixed at the right extending end of the rotating shaft penetrating through the connecting plate, the large gear is meshed with a small gear, the small gear is connected with a connecting shaft, the connecting shaft is sleeved on an end cover, the end cover is fixed at the right end of the fan blade seat, and a driving hole penetrating in the radial direction is formed at the right extending end of the connecting shaft penetrating through the end cover.
The connecting shaft comprises a push-pull rod, a spline shaft and a driving rod, wherein the diameters of the push-pull rod, the spline shaft and the driving rod are sequentially increased from left to right;
a first spline hole matched with the spline shaft is formed in the middle of the pinion, and the first spline hole is inserted and sleeved in the middle of the spline shaft;
a second spline hole which is coaxial with the connecting shaft and a through hole which is arranged on the left side of the second spline hole are formed in the connecting plate, the left end of the spline shaft is inserted in the second spline hole, a stop block is fixed at the left extending end of the push-pull rod which penetrates through the through hole, a spring is clamped between the stop block and the connecting plate, and the spring is sleeved on the push-pull rod;
the inner wall of the end cover is provided with a boss which is coaxial with the connecting shaft, the boss is provided with a step through hole which is small at the left and big at the right, and the step surface between the spline shaft and the driving rod is pressed on the step surface of the step through hole.
A plurality of uniformly distributed hemispherical bulges are fixed on the left side wall and the right side wall of the pinion respectively, the hemispherical bulges on the left side are pressed on the connecting plate, and the hemispherical bulges on the right side are pressed on the end surface of the boss.
The fan blade seat is rotatably connected to the fan shell through a bearing.
And a spherical outer wall is formed on the outer wall of the right end of the end cover.
The driven bevel gear is formed with a rectangular positioning groove, a rectangular positioning block is fixed at the end of the connecting rod, and the rectangular positioning block is inserted in the rectangular positioning groove.
A plurality of convex teeth are fixed at the end part of the connecting rod and inserted into the driven bevel gear.
The invention has the following outstanding effects: compared with the prior art, the fan blade adjusting mechanism can realize synchronous adjustment of a plurality of fan blades, can adjust any angle to meet requirements of different working conditions, and is simple and quick in adjusting method.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 with respect to B;
fig. 4 is a cross-sectional view of fig. 1 taken about C-C.
Detailed Description
In an embodiment, as shown in fig. 1 to 4, an explosion-proof fan with an adjustable fan blade angle includes an explosion-proof motor 2 fixed in a fan housing 1, a fan blade base 3 with a hollow inner part is fixedly connected to a motor shaft of the explosion-proof motor 2, a plurality of connecting holes with a cylindrical uniform distribution are formed on an outer wall of the fan blade base 3, and a fan blade assembly 4 is connected to each connecting hole; the connecting holes comprise a first taper hole 31 with a large outer part and a small inner part and a second taper hole 32 with a small outer part and a large inner part, the fan blade assembly 4 comprises a locking frustum 41 with a large outer part and a small inner part, a connecting rod 42 which is coaxial with the locking frustum 41 is fixed on the inner side wall of the locking frustum 41, a driven bevel gear 44 is fixed at the inner extending end of the connecting rod 42 passing through a locking block 43, and each driven bevel gear 44 is meshed with a driving bevel gear 51 of an angle adjusting mechanism 5 arranged on the fan blade seat 3; locking frustum 41 is inserted and sleeved in first taper hole 31, locking block 43 is the frustum of big end up in the outer, and locking block 43 is inserted and sleeved in second taper hole 32, and locking block 43 and locking frustum 41 pass through a plurality of screws 47 fixed connection.
Furthermore, a connecting plate 33 is formed at the right end inside the fan blade seat 3;
the angle adjusting mechanism 5 further comprises a rotating shaft 52 fixedly connected with the driving bevel gear 51, the rotating shaft 52 is rotatably connected to the connecting plate 33, a large gear 53 is fixed at the right extending end of the rotating shaft 52 penetrating through the connecting plate 33, the large gear 53 is meshed with a small gear 54, the small gear 54 is connected with a connecting shaft 55, the connecting shaft 55 is inserted and sleeved on an end cover 56, the end cover 56 is fixed at the right end of the fan blade seat 3, and a driving hole 554 radially penetrating through is formed at the right extending end of the connecting shaft 55 penetrating through the end cover 56.
Further, the connecting shaft 55 includes a push-pull rod 551, a spline shaft 552, and a driving rod 553, which have diameters that increase in order from left to right;
a first spline hole 541 matched with the spline shaft 552 is formed in the middle of the pinion 54, and the first spline hole 541 is inserted in the middle of the spline shaft 552;
a second spline hole 34 which is coaxial with the connecting shaft 55 and a through hole 35 which is arranged on the left side of the second spline hole 34 are formed in the connecting plate 33, the left end of the spline shaft 552 is inserted in the second spline hole 34, a stop block 57 is fixed at the left extending end of the push-pull rod 551 which penetrates through the through hole 35, a spring 58 is clamped between the stop block 57 and the connecting plate 33, and the spring 58 is sleeved on the push-pull rod 551;
a boss 561 coaxially arranged with the connecting shaft 55 is formed on the inner wall of the end cover 56, a step through hole 562 with a small left and a large right is formed on the boss 561, and a step surface between the spline shaft 552 and the driving rod 553 is pressed against a step surface of the step through hole 562.
Furthermore, a plurality of semi-spherical protrusions 59 are uniformly fixed on the left side wall and the right side wall of the pinion 54, the semi-spherical protrusion 59 on the left side is pressed on the connecting plate 33, and the semi-spherical protrusion 59 on the right side is pressed on the end face of the boss 561.
Furthermore, the fan blade base 3 is rotatably connected to the fan housing 1 via a bearing 6.
Further, the end cap 56 has a spherical outer wall 563 formed on the outer wall of the right end thereof.
Furthermore, the driven bevel gear 44 is formed with a rectangular positioning groove 441, a rectangular positioning block 45 is fixed to an end of the connecting rod 42, and the rectangular positioning block 45 is inserted into the rectangular positioning groove 441.
Further, a plurality of teeth 46 are fixed to the end of the connecting rod 42, and the teeth 46 are inserted into the driven bevel gear 44.
The working principle is as follows: when the fan blade angle needs to be adjusted, firstly, the screw 47 of each fan blade component 4 is unscrewed; secondly, an external round rod is inserted into the driving hole 554, the connecting shaft 55 is pulled rightwards, so that the left end of the spline shaft 552 of the connecting shaft 55 is separated from the second spline hole 34, then the connecting shaft 55 is rotated through the round rod, the connecting shaft 55 drives the small gear 54 to rotate, the small gear 54 drives the large gear 53 to rotate, the large gear 53 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the driving bevel gear 51 to rotate, the driving bevel gear 51 drives the driven bevel gears 44 of the plurality of fan blade assemblies 4 to simultaneously rotate, the driven bevel gears 44 drive the locking frustum 41 to rotate through the connecting rod 42, and the locking frustum 41 drives the fan blades to rotate, so that the angles of the fan blades are; thirdly, after the angle of the fan blade is adjusted, the screw 47 is screwed, and the locking frustum 41 and the locking block 43 are respectively fixed in the first taper hole and the second taper hole.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides an explosion-proof fan of flabellum angularly adjustable, is including fixing explosion-proof machine (2) in fan casing (1), its characterized in that: a fan blade seat (3) with a hollow inner part is fixedly connected to a motor shaft of the explosion-proof motor (2), a plurality of connecting holes which are uniformly distributed in a cylindrical shape are formed in the outer wall of the fan blade seat (3), and a fan blade assembly (4) is connected to each connecting hole; the fan blade assembly comprises a fan blade seat (3), a connecting hole and a fan blade component, wherein the connecting hole comprises a first taper hole (31) with a large outer part and a small inner part and a second taper hole (32) with a small outer part and a large inner part, the fan blade component (4) comprises a locking frustum (41) with a large outer part and a small inner part, a connecting rod (42) which is coaxial with the locking frustum (41) is fixed on the inner side wall of the locking frustum (41), a driven bevel gear (44) is fixed at the inner extending end of the connecting rod (42) penetrating through a locking block (43), and each driven bevel gear (44) is meshed with a driving bevel gear (51) of an angle adjusting mechanism (5; the locking frustum (41) is inserted in the first taper hole (31), the locking block (43) is a frustum with a small outer part and a large inner part, the locking block (43) is inserted in the second taper hole (32), and the locking block (43) and the locking frustum (41) are fixedly connected through a plurality of screws (47);
a connecting plate (33) is formed at the right end inside the fan blade seat (3);
the angle adjusting mechanism (5) further comprises a rotating shaft (52) fixedly connected with the driving bevel gear (51), the rotating shaft (52) is rotatably connected to the connecting plate (33), a large gear (53) is fixed to the right extending end of the rotating shaft (52) penetrating through the connecting plate (33), a small gear (54) is meshed with the large gear (53), the small gear (54) is connected with a connecting shaft (55), the connecting shaft (55) is inserted and sleeved on an end cover (56), the end cover (56) is fixed to the right end of the fan blade base (3), and a driving hole (554) which penetrates through the connecting shaft (55) in the radial direction is formed in the right extending end of the end cover (56);
the connecting shaft (55) comprises a push-pull rod (551), a spline shaft (552) and a driving rod (553), wherein the diameters of the push-pull rod, the spline shaft and the driving rod are sequentially increased from left to right;
a first spline hole (541) matched with the spline shaft (552) is formed in the middle of the pinion (54), and the first spline hole (541) is inserted in the middle of the spline shaft (552);
a second spline hole (34) which is coaxial with the connecting shaft (55) and a through hole (35) which is arranged on the left side of the second spline hole (34) are formed in the connecting plate (33), the left end of the spline shaft (552) is inserted and sleeved in the second spline hole (34), a stop block (57) is fixed to a push-pull rod (551) through the left extending end of the through hole (35), a spring (58) is clamped between the stop block (57) and the connecting plate (33), and the spring (58) is sleeved on the push-pull rod (551);
a boss (561) which is coaxial with the connecting shaft (55) is formed on the inner wall of the end cover (56), a step through hole (562) which is small in left and large in right is formed on the boss (561), and a step surface between the spline shaft (552) and the driving rod (553) is pressed against the step surface of the step through hole (562).
2. The explosion-proof fan with the angle-adjustable fan blades as claimed in claim 1, wherein: a plurality of uniformly distributed hemispherical protrusions (59) are fixed on the left side wall and the right side wall of the pinion (54), the hemispherical protrusion (59) on the left side is pressed against the connecting plate (33), and the hemispherical protrusion (59) on the right side is pressed against the end face of the boss (561).
3. The explosion-proof fan with the angle-adjustable fan blades as claimed in claim 1, wherein: the fan blade seat (3) is rotatably connected to the fan shell (1) through a bearing (6).
4. The explosion-proof fan with the angle-adjustable fan blades as claimed in claim 1, wherein: and a spherical outer wall (563) is formed on the outer wall of the right end of the end cover (56).
5. The explosion-proof fan with the angle-adjustable fan blades as claimed in claim 1, wherein: the driven bevel gear (44) is formed with a rectangular positioning groove (441), a rectangular positioning block (45) is fixed at the end of the connecting rod (42), and the rectangular positioning block (45) is inserted in the rectangular positioning groove (441).
6. The explosion-proof fan with the angle-adjustable fan blades as claimed in claim 1, wherein: a plurality of convex teeth (46) are fixed at the end part of the connecting rod (42), and the convex teeth (46) are inserted into the driven bevel gear (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651932.5A CN110374908B (en) | 2019-07-18 | 2019-07-18 | Fan blade angle-adjustable explosion-proof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651932.5A CN110374908B (en) | 2019-07-18 | 2019-07-18 | Fan blade angle-adjustable explosion-proof fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374908A CN110374908A (en) | 2019-10-25 |
| CN110374908B true CN110374908B (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910651932.5A Active CN110374908B (en) | 2019-07-18 | 2019-07-18 | Fan blade angle-adjustable explosion-proof fan |
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| Country | Link |
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| CN (1) | CN110374908B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365295B (en) * | 2020-04-24 | 2021-04-02 | 常州市长昊机械有限公司 | Axial flow fan impeller |
| CN111473001B (en) * | 2020-04-30 | 2021-07-02 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
| CN111987843B (en) * | 2020-08-17 | 2023-03-14 | 淮南万泰电子股份有限公司 | High-efficiency composite iron core winding motor and use method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012558A (en) * | 2009-06-30 | 2011-01-20 | Mitsui Miike Mach Co Ltd | Jet fan |
| CN102251902A (en) * | 2011-06-20 | 2011-11-23 | 中国海洋大学 | Variable-propeller-pitch water turbine and tide generating device |
| CN205423317U (en) * | 2015-12-07 | 2016-08-03 | 江苏国泉泵业制造有限公司 | A device for axial flow pump impeller blade angle adjusts |
| CN206889112U (en) * | 2017-06-09 | 2018-01-16 | 东北大学 | A kind of three-vane controllable swirl air throttle |
| CN206957949U (en) * | 2017-05-24 | 2018-02-02 | 浙江惠创风机有限公司 | A kind of axial flow blower of the blade angle adjustable containing acceleration mechanism |
| CN109882433A (en) * | 2019-03-26 | 2019-06-14 | 宁波巨浪风机有限公司 | A kind of blower |
| WO2019117476A1 (en) * | 2017-12-14 | 2019-06-20 | 전자부품연구원 | Axial flow-type bidirectional blower fan |
-
2019
- 2019-07-18 CN CN201910651932.5A patent/CN110374908B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012558A (en) * | 2009-06-30 | 2011-01-20 | Mitsui Miike Mach Co Ltd | Jet fan |
| CN102251902A (en) * | 2011-06-20 | 2011-11-23 | 中国海洋大学 | Variable-propeller-pitch water turbine and tide generating device |
| CN205423317U (en) * | 2015-12-07 | 2016-08-03 | 江苏国泉泵业制造有限公司 | A device for axial flow pump impeller blade angle adjusts |
| CN206957949U (en) * | 2017-05-24 | 2018-02-02 | 浙江惠创风机有限公司 | A kind of axial flow blower of the blade angle adjustable containing acceleration mechanism |
| CN206889112U (en) * | 2017-06-09 | 2018-01-16 | 东北大学 | A kind of three-vane controllable swirl air throttle |
| WO2019117476A1 (en) * | 2017-12-14 | 2019-06-20 | 전자부품연구원 | Axial flow-type bidirectional blower fan |
| CN109882433A (en) * | 2019-03-26 | 2019-06-14 | 宁波巨浪风机有限公司 | A kind of blower |
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| Publication number | Publication date |
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| CN110374908A (en) | 2019-10-25 |
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Effective date of registration: 20231228 Address after: Room 1706, Building 2, Yuntong Zunyuan, No. 269, Hengda Road, Hehuayuan Street, Furong District, Changsha City, Hunan Province 410000 Patentee after: Hunan Xinmingan Electromechanical Technology Co.,Ltd. Address before: 317500 Da Xi Zhen Jin Ao Cun, Wenling City, Taizhou City, Zhejiang Province Patentee before: Zhejiang Shenli Explosion-proof Electrical and Mechanical Co.,Ltd. |