CN211398034U - Impeller of energy-saving centrifugal ventilator - Google Patents
Impeller of energy-saving centrifugal ventilator Download PDFInfo
- Publication number
- CN211398034U CN211398034U CN201922470735.1U CN201922470735U CN211398034U CN 211398034 U CN211398034 U CN 211398034U CN 201922470735 U CN201922470735 U CN 201922470735U CN 211398034 U CN211398034 U CN 211398034U
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- cover plate
- impeller
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an energy-conserving centrifugal fan's impeller, including front shroud, back shroud and adjustable blade, the center department fixed connection of back shroud has power transmission unit, an arc through-hole has been seted up on the terminal surface of front shroud and back shroud, adjustable blade's top is passed through the arc through-hole install in between front shroud and the back shroud, it has the connecting axle still to fix between front shroud and the back shroud, it is connected to keep rotating between adjustable blade's lower extreme and the connecting axle. The utility model is used for in centrifugal ventilator, can adjust the air volume, the installation with dismantle the convenience, be convenient for change.
Description
Technical Field
The utility model relates to a fan technical field specifically says an energy-conserving centrifugal fan's impeller.
Background
The fan is a machine which relies on input mechanical energy to improve gas pressure and discharge gas, and is a driven fluid machine, the fan is a Chinese habit abbreviation for gas compression and gas conveying machinery, generally, the fan includes a ventilator, an air blower, a wind driven generator, and the fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces and kilns, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and selective feeding of grains, inflation and propulsion of wind sources and cushion ships, but the size of the blades of the existing wind tunnel fan is fixed, the ventilation quantity is difficult to change, and the installation and maintenance are inconvenient, so the utility model designs a fan impeller mechanism to solve the problems.
Through the retrieval discovery, the patent of grant number CN107489647A discloses an axial fan impeller, including the blade, annular wheel hub and wheel core, the blade includes main blade and strengthens the blade, main blade extends to the ring and evenly fixes on wheel hub's outer wall, the root of the leeward side of main blade is equipped with the enhancement blade, it sets up three or four plug weld holes on the enhancement blade, the wheel core sets up the center at wheel hub, it is as an organic whole with the lower connecting plate welding through hemispherical upper junction plate between wheel hub and the wheel core, be provided with the conical shaft hole that runs through the wheel core in the wheel core, two slots that symmetric distribution have been processed to one side of wheel core.
The fan impeller in the scheme has the following defects:
the fan impeller is fixed in size and is difficult to adjust according to the field condition; the fan impeller is inconvenient to install and maintain and use.
Found through the retrieval, the utility model discloses a fan impeller mechanism that authorization number is CN201821530246.X, including first impeller body and second impeller body, it does not be provided with first blade and second blade to equally divide on the cylinder of first impeller body and second impeller body, first impeller body and the equal cover of second impeller body are established on the main shaft, the tip and the bearing of main shaft rotate to be connected, the bearing is fixed to be set up on the bottom plate, the bottom plate slides and sets up on first guide rail, first guide rail is fixed to be set up on fan housing's inner wall, fan housing's tip is provided with the protection network. The utility model discloses a set up first blade, second blade, first arc hole and second arc hole, solved traditional fan impeller mechanism and be difficult to change the big lower of blade, the inconvenient problem of air regulation, and the inside impeller of this structure can stretch out to the outside of casing, and whole device is convenient for install the maintenance.
But this scheme only is applicable to among the axial fan, can only adopt centrifugal fan at the ventilative in-process that uses precipitation as the purpose.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above insufficiency, the utility model provides an energy-conserving centrifugal fan's impeller here, in this fan wheel application and centrifugal fan, can adjust the amount of wind to simple to operate, the practicality is strong.
The utility model is realized in such a way that the impeller of the energy-saving centrifugal ventilator is constructed, which comprises a front cover plate, a rear cover plate and adjustable blades, wherein the center of the rear cover plate is fixedly connected with a power transmission device;
the end surfaces of the front cover plate and the rear cover plate are provided with arc-shaped through holes, and the top ends of the adjustable blades are arranged between the front cover plate and the rear cover plate through the arc-shaped through holes;
and a connecting shaft is fixedly arranged between the front cover plate and the rear cover plate, and the lower ends of the adjustable blades are rotatably connected with the connecting shaft.
Furthermore, the adjustable blades are composed of a plurality of blades which are circumferentially and radially distributed between the front cover plate and the rear cover plate.
Further, the adjustable blades are arc-shaped.
Furthermore, bosses are respectively installed on two sides of the top end of each adjustable blade, through holes are formed in the inner sides of the bosses, the adjustable blades are inserted into the arc-shaped through holes formed in the front cover plate and the rear cover plate and the through holes formed in the inner sides of the bosses through a double-head connecting screw rod, and the outer ends of the front cover plate and the rear cover plate are fixed through nuts.
Furthermore, the lug bosses on the two adjacent blades are fixedly connected with the connecting column through the fixing plates.
Furthermore, the lower end plate surface of the adjustable blade is kept connected through a fixing ring and a screw.
Furthermore, the two sides of the fixing ring are arc-shaped plates corresponding to the arc-shaped blades, and the middle of the fixing ring is arc-shaped.
Furthermore, the middle arc section of the fixing ring is sleeved in the connecting shaft, and the arc-shaped plates on two sides are connected with the blades through screws.
Further, the fixing ring is rotatably connected with the connecting shaft.
The utility model discloses following beneficial effect has:
the utility model relates to a rationally, convenient to use, in use not only can realize installing and removing the convenience to can also rotate the random regulation amount of wind of blade.
The utility model discloses in, can rotate blade through the relation of being connected between reasonable design adjustable blade and the connecting axle, play complementary effect to adjusting the amount of wind.
Through the reasonable through-hole that blade top boss was seted up, the arc through-hole and the connected form that front and back apron was seted up, can adjust the installation angle of blade, play the primary role to adjusting the amount of wind.
Through reasonable design of the connection relation between the blades, the blades can rotate simultaneously when the air quantity is adjusted, the operation intensity of workers is reduced, the adjusting time is shortened, and the efficiency is improved.
Through reasonable design of the connection relation between the blades and the front and rear cover plates and the connecting shaft, the blades can be conveniently replaced, and materials are saved.
Drawings
Fig. 1 is a schematic structural view of the utility model;
fig. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention;
in the figure: 1. a front cover plate; 2. A rear cover plate; 3. adjustable blades; 4. the double-end is connected with a screw rod; 5. a fixing plate; 6. connecting columns; 7. a power transmission device; 8. A connecting shaft; 9. a nut; 10. a fixing ring; 11. and (4) screws.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide an energy-conserving centrifugal fan's impeller here, can implement according to following mode: an impeller of an energy-saving centrifugal ventilator comprises a front cover plate 1, a rear cover plate 2 and adjustable blades 3, wherein a power transmission device 7 is fixedly connected at the center of the rear cover plate 2;
the end surfaces of the front cover plate 1 and the rear cover plate 2 are provided with arc-shaped through holes, and the top ends of the adjustable blades 3 are arranged between the front cover plate 1 and the rear cover plate 2 through the arc-shaped through holes;
and a connecting shaft 8 is fixedly arranged between the front cover plate 1 and the rear cover plate 2, and the lower ends of the adjustable blades 3 are rotatably connected with the connecting shaft 8.
In this embodiment, the adjustable blades 3 are formed by a plurality of blades, and are circumferentially and radially distributed between the front cover plate 1 and the rear cover plate 2.
In this embodiment, the adjustable blade 3 has a circular arc shape.
In this embodiment, bosses are respectively installed on two sides of the top end of each adjustable blade 3, through holes are formed in the inner sides of the bosses, each adjustable blade 3 is inserted into the arc-shaped through hole formed in the front cover plate 1 and the rear cover plate 2 and the through hole formed in the inner side of each boss through a double-headed connecting screw rod 4, and the outer ends of the front cover plate 1 and the rear cover plate 2 are kept fixed through nuts 9.
In the present embodiment, the bosses on the two adjacent blades 3 are fixedly connected with the connecting column 6 through the fixing plate 5.
In the present embodiment, the lower end plate of the adjustable blade 3 is kept connected by the fixing ring 10 and the screw 11.
In this embodiment, the two sides of the fixing ring 10 are arc-shaped plates corresponding to the arc-shaped blades 3, and the middle is arc-shaped.
In this embodiment, the middle arc section of the fixing ring 10 is sleeved in the connecting shaft 8, and the arc-shaped plates on both sides are connected with the blades 3 through screws 11.
In the present embodiment, the fixing ring 10 is rotatably connected to the connecting shaft 8.
When the installation, place earlier blade 3 with between front shroud 1 and the back shroud 2, then insert through-hole in the boss of blade upper end and the arc through-hole of seting up on two apron with double-end connecting screw 4 and screw through nut 9, place the face of blade 3 on connecting axle 8 again, and fix with solid fixed ring 10 and screw 11, pass through fixed plate 5 with the boss surface on blade top with the screw connection with the one end of spliced pole 6 at last, couple together every blade in proper order, install promptly and accomplish.
When adjusting the amount of wind, only need to loosen the nut 9 between apron around the blade, then the top of rotating vane 3, when arriving suitable position, screw up nut 9 again, accomplish the regulation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The impeller of the energy-saving centrifugal ventilator is characterized by comprising a front cover plate (1), a rear cover plate (2) and adjustable blades (3), wherein a power transmission device (7) is fixedly connected to the center of the rear cover plate (2);
the end surfaces of the front cover plate (1) and the rear cover plate (2) are provided with arc-shaped through holes, and the top ends of the adjustable blades (3) are arranged between the front cover plate (1) and the rear cover plate (2) through the arc-shaped through holes;
still fixed mounting has connecting axle (8) between front shroud (1) and back shroud (2), keep rotating between the lower extreme of adjustable blade (3) and connecting axle (8) and be connected.
2. Impeller for energy-saving centrifugal ventilators as claimed in claim 1, characterized in that said adjustable vanes (3) are composed of several ones, distributed circumferentially and radially between said front cover plate (1) and said rear cover plate (2).
3. Impeller for an energy-saving centrifugal ventilator according to claim 2, characterised in that the adjustable blades (3) are circular-arc shaped.
4. The impeller of the energy-saving centrifugal ventilator according to claim 1, wherein bosses are respectively installed on both sides of the top end of the adjustable blade (3), through holes are formed on the inner sides of the bosses, the adjustable blade (3) is inserted into the arc-shaped through holes formed in the front cover plate (1) and the rear cover plate (2) and the through holes formed on the inner sides of the bosses through a double-headed connecting screw (4), and is kept fixed at the outer ends of the front cover plate (1) and the rear cover plate (2) through nuts (9).
5. The impeller of the energy-saving centrifugal ventilator according to claim 4, wherein the bosses on the two adjacent blades (3) are fixedly connected with the connecting column (6) through the fixing plate (5).
6. Impeller for energy-saving centrifugal ventilators according to claim 1, characterized in that the lower end plate of the adjustable vanes (3) is kept connected by means of a fixed ring (10) and screws (11).
7. The impeller of the energy-saving centrifugal ventilator according to claim 6, wherein the two sides of the fixing ring (10) are arc-shaped plate parts corresponding to the arc-shaped blades (3), and the middle part is arc-shaped.
8. The impeller of the energy-saving centrifugal ventilator as claimed in claim 7, wherein the middle arc section of the fixing ring (10) is sleeved in the connecting shaft (8), and the arc-shaped plate pieces at two sides are kept connected with the blades (3) through screws (11).
9. Impeller for an energy-saving centrifugal ventilator according to claim 8, characterised in that the fixed ring (10) is in rotational connection with the connection shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922470735.1U CN211398034U (en) | 2019-12-31 | 2019-12-31 | Impeller of energy-saving centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922470735.1U CN211398034U (en) | 2019-12-31 | 2019-12-31 | Impeller of energy-saving centrifugal ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398034U true CN211398034U (en) | 2020-09-01 |
Family
ID=72211323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922470735.1U Expired - Fee Related CN211398034U (en) | 2019-12-31 | 2019-12-31 | Impeller of energy-saving centrifugal ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360777A (en) * | 2020-10-30 | 2021-02-12 | 鲍岚 | Diversion supercharging energy-saving centrifugal fan |
| CN114458618A (en) * | 2022-03-22 | 2022-05-10 | 西安交通大学 | Reversible multi-wing centrifugal fan impeller device with forward and backward adjustment and fan |
-
2019
- 2019-12-31 CN CN201922470735.1U patent/CN211398034U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360777A (en) * | 2020-10-30 | 2021-02-12 | 鲍岚 | Diversion supercharging energy-saving centrifugal fan |
| CN114458618A (en) * | 2022-03-22 | 2022-05-10 | 西安交通大学 | Reversible multi-wing centrifugal fan impeller device with forward and backward adjustment and fan |
| CN114458618B (en) * | 2022-03-22 | 2022-12-09 | 西安交通大学 | Reversible multi-wing centrifugal fan impeller device with forward and backward adjustment and fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210416 Address after: 401120 2-12-4, building D, Longjing garden, 64 Longshan Road, Yubei District, Chongqing Patentee after: Chongqing Rongze Jiayuan ventilation equipment Co.,Ltd. Address before: 2-12-4, building D, 64 Longshan Road, Yubei District, Chongqing Patentee before: Chongqing Rongze fan Co.,Ltd. |
|
| 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: 20200901 |