CN110374908A - A kind of adjustable explosion-proof fan of fan blade angles - Google Patents
A kind of adjustable explosion-proof fan of fan blade angles Download PDFInfo
- Publication number
- CN110374908A CN110374908A CN201910651932.5A CN201910651932A CN110374908A CN 110374908 A CN110374908 A CN 110374908A CN 201910651932 A CN201910651932 A CN 201910651932A CN 110374908 A CN110374908 A CN 110374908A
- Authority
- CN
- China
- Prior art keywords
- hole
- flabellum
- shaft
- fixed
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241000883990 Flabellum Species 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 abstract description 5
- 235000010599 Verbascum thapsus Nutrition 0.000 description 2
- 244000178289 Verbascum thapsus Species 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
-
- 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
-
- 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 a kind of adjustable explosion-proof fans of fan blade angles, including being fixed on the intracorporal fire-proof motor of Fan casing, fire-proof motor is connected with flabellum seat, and the uniformly distributed connecting hole of multiple cylinders is formed on the outer wall of flabellum seat, a flabellum component is connected on each connecting hole；Flabellum connecting hole includes the first taper hole and the second taper hole, flabellum component includes the locking frustum of the small setting of outer imperial palace, connecting rod is fixed on locking frustum, the interior extension end that connecting rod passes through latch segment is fixed with driven wheel of differential, and each driven wheel of differential is engaged with the drive bevel gear for the angle adjusting mechanism being arranged on flabellum seat；Frustum sleeve is locked in the first taper hole, in the second taper hole, latch segment is fixedly connected with locking frustum by multiple screws latch segment sleeve.The present invention may be implemented to be adjusted synchronously multiple flabellums, and it is adjustable to any angle to meet the needs of different operating conditions, while adjusting method is simple and fast.
Description
Technical field
The present invention relates to blower technical fields, and in particular to a kind of adjustable explosion-proof fan of fan blade angles.
Background technique
Blower it is widely used, all kinds of places for being cooled down and being divulged information often are applied to, in existing blower
Impeller, blade angle fixation is not available for adjusting, therefore an impeller can only meet a kind of requirement of operating condition.And in reality
In the use process of border, complicated the case where due to working environment, required ventilation quantity and wind pressure is also different, in order to guarantee to divulge information
Machine is in optimal working condition, also needs with the use of the suitable impeller of parameter, not only equipment replacement trouble, also increases cost
Burden, reduces the availability of machine.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of adjustable explosion-proof fan of fan blade angles, it can
With realize multiple flabellums are adjusted synchronously, and it is adjustable to any angle to meet the needs of different operating conditions, adjust simultaneously
Section method is simple and fast.
The solution to the technical problem of the present invention is as follows:
A kind of adjustable explosion-proof fan of fan blade angles, including it is fixed on the intracorporal fire-proof motor of Fan casing, the anti-explosion electric
The flabellum seat of inner hollow is fixedly connected on the motor shaft of machine, it is uniformly distributed to form multiple cylinders on the outer wall of the flabellum seat
Connecting hole is connected with a flabellum component on each connecting hole；The flabellum connecting hole include the first small taper hole of outer imperial palace and
Outer small interior the second big taper hole, the flabellum component includes the locking frustum of the small setting of outer imperial palace, is locked on the inner sidewall of frustum
It is fixed with the connecting rod of coaxial heart setting, the interior extension end that connecting rod passes through latch segment is fixed with driven wheel of differential, each
Driven wheel of differential is all engaged with the drive bevel gear for the angle adjusting mechanism being arranged on flabellum seat；The locking frustum sleeve exists
In first taper hole, the latch segment is the frustum of outer small interior big setting, and latch segment sleeve is in the second taper hole, latch segment and locking
Frustum is fixedly connected by multiple screws.
The inside right end of the flabellum seat forms connecting plate；
The angle adjusting mechanism further includes the shaft being fixedly connected with drive bevel gear, and shaft is hinged on connecting plate,
The right extension end that the shaft passes through connecting plate is fixed with gear wheel, and gear wheel is engaged with pinion gear, and pinion gear and connecting shaft connect
It connects, for connecting shaft sleeve on end cap, end cap is fixed on the right end of flabellum seat, and the right extension end that the connecting shaft passes through end cap forms
There is the drive hole extended radially through.
The connecting shaft includes the push-pull rod, splined shaft and drive rod that from left to right diameter is sequentially increased；
The first Hua Jiankong matched with splined shaft is formed in the middle part of the pinion gear, splined hole sleeve is in splined shaft
Middle part；
It is formed on the connecting plate with the second splined hole of the concentric setting of connecting shaft and setting on the second splined hole left side
The through-hole of side, for the left end sleeve of splined shaft in the second splined hole, the left extension end that push-pull rod passes through through-hole is fixed with block, keeps off
Spring is clamped between block and connecting plate, spring is socketed on push-pull rod；
The boss with the concentric setting of connecting shaft is formed on the inner wall of the end cap, is formed on boss left small and right large
Step through-hole, the step surface between the splined shaft and drive rod are pressed against on the step surface of step through-hole.
Multiple uniformly distributed hemisphere protrusions, the hemisphere protrusion in left side are respectively fixed on the left side wall and right side wall of the pinion gear
It is pressed against on connecting plate, the hemisphere protrusion on right side is pressed against the end face of boss.
The flabellum seat is by bearing hinge connection on Blower Housing.
Spherical outer wall is formed on the right end outer wall of the end cap.
The driven wheel of differential forms rectangle locating slot, and the end of the connecting rod is fixed with rectangle locating piece, rectangle
Locating piece sleeve is in rectangle locating slot.
The end of the connecting rod is fixed with multiple double wedges, and double wedge is inserted into driven wheel of differential.
Protrusion effect of the invention is: compared with prior art, it may be implemented to be adjusted synchronously multiple flabellums, and
It is adjustable to any angle to meet the needs of different operating conditions, while adjusting method is simple and fast.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is partial enlarged view of the Fig. 1 about A；
Fig. 3 is partial enlarged view of the Fig. 1 about B；
Fig. 4 is cross-sectional view of the Fig. 1 about C-C.
Specific embodiment
Embodiment is shown in as shown in Figures 1 to 4, a kind of adjustable explosion-proof fan of fan blade angles, including is fixed on Blower Housing
Fire-proof motor 2 in 1 is fixedly connected with the flabellum seat 3 of inner hollow, the flabellum seat 3 on the motor shaft of the fire-proof motor 2
Outer wall on form the uniformly distributed connecting hole of multiple cylinders, a flabellum component 4 is connected on each connecting hole；The flabellum connects
Connecing hole includes the first small taper hole 31 of outer imperial palace and outer small interior the second big taper hole 32, and the flabellum component 4 includes that outer imperial palace is small
The locking frustum 41 of setting locks the connecting rod 42 that coaxial heart setting is fixed on the inner sidewall of frustum 41, connecting rod 42
It is fixed with driven wheel of differential 44 across the interior extension end of latch segment 43, each driven wheel of differential 44 is with setting on flabellum seat 3
Angle adjusting mechanism 5 drive bevel gear 51 engage；41 sleeve of locking frustum is in the first taper hole 31, the latch segment
43 be the frustum of outer small interior big setting, and in the second taper hole 32, latch segment 43 and locking frustum 41 pass through more 43 sleeve of latch segment
A screw 47 is fixedly connected.
Further, the inside right end of the flabellum seat 3 forms connecting plate 33；
The angle adjusting mechanism 5 further includes the shaft 52 being fixedly connected with drive bevel gear 51,52 company of being hinged on of shaft
On fishplate bar 33, the right extension end that the shaft 52 passes through connecting plate 33 is fixed with gear wheel 53, and gear wheel 53 is engaged with pinion gear
54, pinion gear 54 is connect with connecting shaft 55, and for 55 sleeve of connecting shaft on end cap 56, end cap 56 is fixed on the right end of flabellum seat 3, institute
It states connecting shaft 55 and forms the drive hole 554 extended radially through across the right extension end of end cap 56.
Further, the connecting shaft 55 includes push-pull rod 551, the splined shaft that from left to right diameter is sequentially increased
552 and drive rod 553；
The middle part of the pinion gear 54 forms the first flower matched with splined shaft 552 and builds hole 541, and splined hole 541 is inserted
It covers at the middle part of splined shaft 552；
It is formed on the connecting plate 33 with the second splined hole 34 of the concentric setting of connecting shaft 55 and setting in the second flower
The through-hole 35 in 34 left side of keyhole, for the left end sleeve of splined shaft 552 in the second splined hole 34, push-pull rod 551 passes through through-hole 34
Left extension end is fixed with block 57, and spring 58 is clamped between block 57 and connecting plate 33, and spring 58 is socketed in push-pull rod 551
On；
The boss 561 with the concentric setting of connecting shaft 55 is formed on the inner wall of the end cap 56, is formed on boss 561
Step through-hole 562 left small and right large, the step surface between the splined shaft 552 and drive rod 553 are pressed against step through-hole 562
On step surface.
Further, multiple uniformly distributed hemisphere protrusions are respectively fixed on the left side wall and right side wall of the pinion gear 54
59, the hemisphere protrusion 59 in left side is pressed against on connecting plate 33, and the hemisphere protrusion 59 on right side is pressed against the end face of boss 561.
Further, the flabellum seat 3 is hinged on Blower Housing 1 by bearing 6.
Further, spherical outer wall 563 is formed on the right end outer wall of the end cap 56.
Further, the driven wheel of differential 44 forms rectangle locating slot 441, and the end of the connecting rod 42 is solid
Surely there is rectangle locating piece 45,45 sleeve of rectangle locating piece is in rectangle locating slot 441.
Further, the end of the connecting rod 42 is fixed with multiple double wedges 46, and double wedge 46 is inserted into from mantle tooth
In wheel 44.
Working principle: when needing to adjust fan blade angles, first, the screw 47 of each flabellum component 4 is unscrewed；Second,
It is inserted into drive hole 554 by extraneous round bar, connecting shaft 55 is drawn to the right, keeps the left end of the splined shaft 552 of connecting shaft 55 de-
Hole 34 is built from the second flower, axis 55 is then rotatablely connected by round bar, connecting shaft 55 drives pinion gear 54 to rotate, and pinion gear 54 drives
Gear wheel 53 rotates, and gear wheel 53 drives shaft 52 to rotate, and rotation 52 drives drive bevel gear 51 to rotate, 51 band of drive bevel gear
It moves the driven wheel of differential 44 of multiple flabellum components 4 while rotating, driven wheel of differential 44 drives locking frustum 41 by connecting rod 42
Rotation, locking frustum 41 is to drive flabellum to rotate, to adjust the angle of flabellum；Third is twisted after fan blade angles have adjusted
Tight screw 47, locking frustum 41 and latch segment 43 are separately fixed in the first taper hole and the second taper hole.
Finally, the above embodiments are only used to illustrate the present invention, and not limitation of the present invention, related technical field
Those of ordinary skill can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore
All equivalent technical solutions also belong to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (8)
1. a kind of adjustable explosion-proof fan of fan blade angles, including the fire-proof motor (2) being fixed in Blower Housing (1), feature
Be: being fixedly connected with the flabellum seat (3) of inner hollow on the motor shaft of the fire-proof motor (2), the flabellum seat (3) it is outer
The uniformly distributed connecting hole of multiple cylinders is formed on wall, and a flabellum component (4) is connected on each connecting hole；The flabellum connection
Hole includes small the first taper hole (31) of outer imperial palace and outer small interior big the second taper hole (32), and the flabellum component (4) includes outer big
The locking frustum (41) of interior small setting locks the connecting rod that coaxial heart setting is fixed on the inner sidewall of frustum (41)
(42), the interior extension end that connecting rod (42) passes through latch segment (43) is fixed with driven wheel of differential (44), each driven wheel of differential
(44) it is all engaged with the drive bevel gear (51) for the angle adjusting mechanism (5) being arranged on flabellum seat (3)；The locking frustum
(41) for sleeve in the first taper hole (31), the latch segment (43) is the frustum of outer small interior big setting, and latch segment (43) sleeve exists
In second taper hole (32), latch segment (43) is fixedly connected with locking frustum (41) by multiple screws (47).
2. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 1, it is characterised in that: the flabellum seat (3)
Inside right end form connecting plate (33)；
The angle adjusting mechanism (5) further includes the shaft (52) being fixedly connected with drive bevel gear (51), and shaft (52) is hinged
On connecting plate (33), the right extension end that the shaft (52) passes through connecting plate (33) is fixed with gear wheel (53), gear wheel
(53) it is engaged with pinion gear (54), pinion gear (54) is connect with connecting shaft (55), and connecting shaft (55) sleeve is on end cap (56), end
Lid (56) is fixed on the right end of flabellum seat (3), and the right extension end that the connecting shaft (55) passes through end cap (56) forms radial pass through
The drive hole (554) worn.
3. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 2, it is characterised in that: the connecting shaft (55)
Push-pull rod (551), splined shaft (552) and the drive rod (553) being sequentially increased including from left to right diameter；
The first Hua Jiankong (541) matched with splined shaft (552), splined hole are formed in the middle part of the pinion gear (54)
(541) middle part of the sleeve in splined shaft (552)；
It is formed on the connecting plate (33) with second splined hole (34) of connecting shaft (55) concentric setting and setting second
Through-hole (35) on the left of splined hole (34), the left end sleeve of splined shaft (552) is in the second splined hole (34), push-pull rod (551)
It is fixed with block (57) across the left extension end of through-hole (34), spring (58) is clamped between block (57) and connecting plate (33),
Spring (58) is socketed on push-pull rod (551)；
Formed on the inner wall of the end cap (56) with the boss (561) of connecting shaft (55) concentric setting, on boss (561) at
Type has step through-hole left small and right large (562), and the step surface between the splined shaft (552) and drive rod (553) is pressed against platform
On the step surface of rank through-hole (562).
4. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 3, it is characterised in that: the pinion gear (54)
Left side wall and right side wall on be respectively fixed with that multiple uniformly distributed hemisphere are raised (59), the hemisphere raised (59) in left side is pressed against connection
On plate (33), the hemisphere raised (59) on right side is pressed against the end face of boss (561).
5. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 1, it is characterised in that: the flabellum seat (3)
It is hinged on Blower Housing (1) by bearing (6).
6. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 2, it is characterised in that: the end cap (56)
Spherical outer wall (563) are formed on right end outer wall.
7. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 1, it is characterised in that: the driven wheel of differential
(44) it forms rectangle locating slot (441), the end of the connecting rod (42) is fixed with rectangle locating piece (45), rectangle locating piece
(45) sleeve is in rectangle locating slot (441).
8. the adjustable explosion-proof fan of a kind of fan blade angles according to claim 1, it is characterised in that: the connecting rod (42)
End be fixed with multiple double wedges (46), double wedge (46) is inserted into driven wheel of differential (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 true CN110374908A (en) | 2019-10-25 |
| CN110374908B CN110374908B (en) | 2020-11-20 |
Family
ID=68254005
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374908B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365295A (en) * | 2020-04-24 | 2020-07-03 | 皮芝青 | Axial flow fan impeller |
| CN111473001A (en) * | 2020-04-30 | 2020-07-31 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
| CN111987843A (en) * | 2020-08-17 | 2020-11-24 | 淮南万泰电子股份有限公司 | High-efficiency composite iron core winding motor and use method thereof |
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| 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 |
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2019
- 2019-07-18 CN CN201910651932.5A patent/CN110374908B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365295A (en) * | 2020-04-24 | 2020-07-03 | 皮芝青 | Axial flow fan impeller |
| CN111473001A (en) * | 2020-04-30 | 2020-07-31 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
| CN111473001B (en) * | 2020-04-30 | 2021-07-02 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
| CN111987843A (en) * | 2020-08-17 | 2020-11-24 | 淮南万泰电子股份有限公司 | High-efficiency composite iron core winding motor and use method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110374908B (en) | 2020-11-20 |
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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. |