CN205207273U - Dual -air -inlet centrifugal fan - Google Patents
Dual -air -inlet centrifugal fan Download PDFInfo
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- CN205207273U CN205207273U CN201520958373.XU CN201520958373U CN205207273U CN 205207273 U CN205207273 U CN 205207273U CN 201520958373 U CN201520958373 U CN 201520958373U CN 205207273 U CN205207273 U CN 205207273U
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- volute casing
- intake grill
- main shaft
- air intake
- spiral case
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Abstract
The utility model discloses a dual -air -inlet centrifugal fan, including spiral case, impeller assembly, main shaft, motor, support, the spiral case fix on the support, the spiral case in include left spiral housing and right spiral housing, the spiral case on be equipped with the air outlet, left spiral housing and right spiral housing be linked together in air outlet department, left spiral housing left side be equipped with left air intake, right spiral housing right side be equipped with right air intake, left air intake and right air intake coaxial, left air intake and right air intake department be equipped with the guide plate, the impeller assembly take turns with the lobus dexter by lobus sinister wheel and form, left spiral housing in be equipped with the lobus sinister wheel coaxial with left air intake, right spiral housing in be equipped with the lobus dexter wheel coaxial with right air intake, the impeller assembly fix at the both ends of main shaft, generally, the utility model has the advantages of structural design is equitable, and it is gaseous to provide the big amount of wind and high pressure, and two impellers have good synchronism, can effectively practice thrift electric energy and manufacturing cost.
Description
Technical field
The utility model belongs to blower fan field, relates to a kind of centrifugal blower, particularly a kind of two air intake centrifugal blower fan.
Background technique
Centrifugal blower is the principle being converted to potential energy according to kinetic energy, the impeller of High Rotation Speed is utilized to be accelerated by gas, slow down after encountering spiral case, change the flow direction, make kinetic energy convert potential energy to, gas is from axially entering impeller, radial direction is changed over when flowing through impeller, then enter volute casing, in volute casing, gas is encountered spiral case and is slowed down, increase the gas flow in volute casing thus volute casing internal pressure is increased, making the kinetic energy of gas convert pressure energy to.Be subject to the restriction of structure, existing single impeller centrifugal blower air quantity is difficult to continue to increase, and gas pressure is more difficult increase also, use two centrifugal blower parallel connections then can consume a large amount of energy, and its synchronism is poor simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of two air intake centrifugal blower fan, and reasonable in design, can provide Wind Volume and high-pressure gas, and two impellers have good synchronism, can effectively saving power and cost of production.
The purpose of this utility model is achieved in that a kind of two air intake centrifugal blower fan, comprise spiral case, impeller sets, main shaft, motor, support, described spiral case is fixed on support, left volute casing and right volute casing is included in described spiral case, described spiral case is provided with exhaust outlet, described left volute casing is connected at exhaust outlet place with right volute casing, left intake grill is provided with on the left of described left volute casing, right intake grill is provided with on the right side of described right volute casing, described left intake grill and right intake grill coaxial, described left intake grill and right air inlet are provided with guide plate, described impeller sets is taken turns by lobus sinister and lobus dexter wheel forms, be provided with the lobus sinister coaxial with left intake grill in described left volute casing to take turns, be provided with the lobus dexter coaxial with right intake grill in described right volute casing to take turns, described impeller sets is fixed on the two ends of main shaft, follower is fixed with in the middle of described main shaft, described main shaft is connected with support by the bearing being located at follower both sides, described support is provided with motor, described motor is provided with driving wheel, described driving wheel is connected with follower by belt.
Described exhaust outlet place is provided with rectangular flange.
Described belt is vee belt.
The beneficial effect that the utility model produces is: a kind of two air intake centrifugal blower fan, comprise spiral case, impeller sets, main shaft, motor, support, spiral case is fixed on support, spiral case is fixed, ensure the stable operation of blower fan, left volute casing and right volute casing is included in spiral case, left and right two-part pressurize to gas respectively, spiral case is provided with exhaust outlet, gas after centrifugal blower pressurization is accelerated is discharged, left volute casing is connected at exhaust outlet place with right volute casing, make two-part high-voltage high-speed gas bout again carry out pressurization to accelerate, gas is made to have higher pressure and flow velocity, exhaust outlet place is provided with rectangular flange, conveniently be connected with pipeline, left intake grill is provided with on the left of left volute casing, left intake grill is located at side and facilitates entering of gas, right intake grill is provided with on the right side of right volute casing, gas is facilitated to enter right volute casing, left intake grill and right intake grill coaxial, make the symmetrical guarantee of volute of blower operating stable, left intake grill and right air inlet are provided with guide plate, air-flow is guided and avoids forming gas turbulence in volute casing, improve centrifugal blower efficiency, impeller sets is taken turns by lobus sinister and lobus dexter wheel forms, an impeller is respectively had in left volute casing and right volute casing, be provided with the lobus sinister coaxial with left intake grill in left volute casing to take turns, determine the position that lobus sinister is taken turns, be provided with the lobus dexter coaxial with right intake grill in right volute casing to take turns, determine the position that lobus dexter is taken turns, improve the working life of blower fan simultaneously, impeller sets is fixed on the two ends of main shaft, impeller sets and main shaft are fixed together, follower is fixed with in the middle of main shaft, main shaft and follower are fixed together, follower is made to drive main shaft and wheel rotation, main shaft is connected with support by the bearing being located at follower both sides, the position of main shaft is fixed, guarantee main shaft and impeller, intake grill keeps coaxial, support is provided with motor, motor is fixed, motor is provided with driving wheel, by driving wheel, kinetic energy being carried out transmission makes centrifugal blower operate, driving wheel is connected with follower by belt, driving wheel is made to drive follower to rotate, thus make impeller keep rotating the running of centrifugal blower, belt is vee belt, skidding can be avoided to occur to ensure the stable of power.
Generally, the utility model has reasonable in design, can provide Wind Volume and high-pressure gas, and two impellers have good synchronism, can the advantage of effectively saving power and cost of production.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is left TV structure schematic diagram of the present utility model.
Fig. 3 is backsight structural representation of the present utility model.
In figure: 1, spiral case 2, impeller sets 3, main shaft 4, motor 5, support 6, left volute casing 7, right volute casing 8, exhaust outlet 9, left intake grill 10, right intake grill 11, guide plate 12, lobus sinister wheel 13, lobus dexter wheel 14, follower 15, bearing 16, driving wheel 17, belt.
Embodiment
Below in conjunction with accompanying drawing to embodiment's further instruction of the present utility model.
Embodiment 1
As illustrated in the accompanying drawings from 1 to 3, a kind of two air intake centrifugal blower fan, comprise spiral case 1, impeller sets 2, main shaft 3, motor 4, support 5, described spiral case 1 is fixed on support 5, left volute casing 6 and right volute casing 7 is included in described spiral case 1, described spiral case 1 is provided with exhaust outlet 8, described left volute casing 6 is connected at exhaust outlet place 8 with right volute casing 7, left intake grill 9 is provided with on the left of described left volute casing 6, right intake grill 10 is provided with on the right side of described right volute casing 7, described left intake grill 9 and right intake grill 10 coaxial, described left intake grill 9 and right intake grill 10 place are provided with guide plate 11, described impeller sets 2 is taken turns 13 by lobus sinister wheel 12 and lobus dexter and is formed, be provided with the lobus sinister coaxial with left intake grill 9 in described left volute casing 6 and take turns 12, be provided with the lobus dexter coaxial with right intake grill 10 in described right volute casing 7 and take turns 13, described impeller sets 2 is fixed on the two ends of main shaft 3, follower 14 is fixed with in the middle of described main shaft 2, described main shaft 3 is connected with support 5 by the bearing 15 being located at follower 14 both sides, described support 5 is provided with motor 4, described motor 4 is provided with driving wheel 16, described driving wheel 16 is connected with follower 14 by belt 17.
The utility model is in use: a kind of two air intake centrifugal blower fan, comprise spiral case, impeller sets, main shaft, motor, support, spiral case is fixed on support, spiral case is fixed, ensure the stable operation of blower fan, left volute casing and right volute casing is included in spiral case, left and right two-part pressurize to gas respectively, spiral case is provided with exhaust outlet, gas after centrifugal blower pressurization is accelerated is discharged, left volute casing is connected at exhaust outlet place with right volute casing, make two-part high-voltage high-speed gas bout again carry out pressurization to accelerate, gas is made to have higher pressure and flow velocity, left intake grill is provided with on the left of left volute casing, left intake grill is located at side and facilitates entering of gas, right intake grill is provided with on the right side of right volute casing, gas is facilitated to enter right volute casing, left intake grill and right intake grill coaxial, make the symmetrical guarantee of volute of blower operating stable, left intake grill and right air inlet are provided with guide plate, air-flow is guided and avoids forming gas turbulence in volute casing, improve centrifugal blower efficiency, impeller sets is taken turns by lobus sinister and lobus dexter wheel forms, an impeller is respectively had in left volute casing and right volute casing, be provided with the lobus sinister coaxial with left intake grill in left volute casing to take turns, determine the position that lobus sinister is taken turns, be provided with the lobus dexter coaxial with right intake grill in right volute casing to take turns, determine the position that lobus dexter is taken turns, improve the working life of blower fan simultaneously, impeller sets is fixed on the two ends of main shaft, impeller sets and main shaft are fixed together, follower is fixed with in the middle of main shaft, main shaft and follower are fixed together, follower is made to drive main shaft and wheel rotation, main shaft is connected with support by the bearing being located at follower both sides, the position of main shaft is fixed, guarantee main shaft and impeller, intake grill keeps coaxial, support is provided with motor, motor is fixed, motor is provided with driving wheel, by driving wheel, kinetic energy being carried out transmission makes centrifugal blower operate, driving wheel is connected with follower by belt, driving wheel is made to drive follower to rotate, thus make impeller keep rotating the running of centrifugal blower.
Generally, the utility model has reasonable in design, can provide Wind Volume and high-pressure gas, and two impellers have good synchronism, can the advantage of effectively saving power and cost of production.
Embodiment 2
As illustrated in the accompanying drawings from 1 to 3, a kind of two air intake centrifugal blower fan, comprise spiral case 1, impeller sets 2, main shaft 3, motor 4, support 5, described spiral case 1 is fixed on support 5, left volute casing 6 and right volute casing 7 is included in described spiral case 1, described spiral case 1 is provided with exhaust outlet 8, described left volute casing 6 is connected at exhaust outlet place 8 with right volute casing 7, left intake grill 9 is provided with on the left of described left volute casing 6, right intake grill 10 is provided with on the right side of described right volute casing 7, described left intake grill 9 and right intake grill 10 coaxial, described left intake grill 9 and right intake grill 10 place are provided with guide plate 11, described impeller sets 2 is taken turns 13 by lobus sinister wheel 12 and lobus dexter and is formed, be provided with the lobus sinister coaxial with left intake grill 9 in described left volute casing 6 and take turns 12, be provided with the lobus dexter coaxial with right intake grill 10 in described right volute casing 7 and take turns 13, described impeller sets 2 is fixed on the two ends of main shaft 3, follower 14 is fixed with in the middle of described main shaft 2, described main shaft 3 is connected with support 5 by the bearing 15 being located at follower 14 both sides, described support 5 is provided with motor 4, described motor 4 is provided with driving wheel 16, described driving wheel 16 is connected with follower 14 by belt 17.
Described exhaust outlet 8 place is provided with rectangular flange.
Described belt 17 is vee belt.
The utility model is in use: a kind of two air intake centrifugal blower fan, comprise spiral case, impeller sets, main shaft, motor, support, spiral case is fixed on support, spiral case is fixed, ensure the stable operation of blower fan, left volute casing and right volute casing is included in spiral case, left and right two-part pressurize to gas respectively, spiral case is provided with exhaust outlet, gas after centrifugal blower pressurization is accelerated is discharged, left volute casing is connected at exhaust outlet place with right volute casing, make two-part high-voltage high-speed gas bout again carry out pressurization to accelerate, gas is made to have higher pressure and flow velocity, exhaust outlet place is provided with rectangular flange, conveniently be connected with pipeline, left intake grill is provided with on the left of left volute casing, left intake grill is located at side and facilitates entering of gas, right intake grill is provided with on the right side of right volute casing, gas is facilitated to enter right volute casing, left intake grill and right intake grill coaxial, make the symmetrical guarantee of volute of blower operating stable, left intake grill and right air inlet are provided with guide plate, air-flow is guided and avoids forming gas turbulence in volute casing, improve centrifugal blower efficiency, impeller sets is taken turns by lobus sinister and lobus dexter wheel forms, an impeller is respectively had in left volute casing and right volute casing, be provided with the lobus sinister coaxial with left intake grill in left volute casing to take turns, determine the position that lobus sinister is taken turns, be provided with the lobus dexter coaxial with right intake grill in right volute casing to take turns, determine the position that lobus dexter is taken turns, improve the working life of blower fan simultaneously, impeller sets is fixed on the two ends of main shaft, impeller sets and main shaft are fixed together, follower is fixed with in the middle of main shaft, main shaft and follower are fixed together, follower is made to drive main shaft and wheel rotation, main shaft is connected with support by the bearing being located at follower both sides, the position of main shaft is fixed, guarantee main shaft and impeller, intake grill keeps coaxial, support is provided with motor, motor is fixed, motor is provided with driving wheel, by driving wheel, kinetic energy being carried out transmission makes centrifugal blower operate, driving wheel is connected with follower by belt, driving wheel is made to drive follower to rotate, thus make impeller keep rotating the running of centrifugal blower, belt is vee belt, skidding can be avoided to occur to ensure the stable of power.
Generally, the utility model has reasonable in design, can provide Wind Volume and high-pressure gas, and two impellers have good synchronism, can the advantage of effectively saving power and cost of production.
Claims (3)
1. a two air intake centrifugal blower fan, comprise spiral case, impeller sets, main shaft, motor, support, it is characterized in that: described spiral case is fixed on support, left volute casing and right volute casing is included in described spiral case, described spiral case is provided with exhaust outlet, described left volute casing is connected at exhaust outlet place with right volute casing, left intake grill is provided with on the left of described left volute casing, right intake grill is provided with on the right side of described right volute casing, described left intake grill and right intake grill coaxial, described left intake grill and right air inlet are provided with guide plate, described impeller sets is taken turns by lobus sinister and lobus dexter wheel forms, be provided with the lobus sinister coaxial with left intake grill in described left volute casing to take turns, be provided with the lobus dexter coaxial with right intake grill in described right volute casing to take turns, described impeller sets is fixed on the two ends of main shaft, follower is fixed with in the middle of described main shaft, described main shaft is connected with support by the bearing being located at follower both sides, described support is provided with motor, described motor is provided with driving wheel, described driving wheel is connected with follower by belt.
2. the two air intake centrifugal blower fan of one according to claim 1, it is characterized in that: described exhaust outlet place is provided with rectangular flange.
3. the two air intake centrifugal blower fan of one according to claim 1, it is characterized in that: described belt is vee belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958373.XU CN205207273U (en) | 2015-11-27 | 2015-11-27 | Dual -air -inlet centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958373.XU CN205207273U (en) | 2015-11-27 | 2015-11-27 | Dual -air -inlet centrifugal fan |
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| Publication Number | Publication Date |
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| CN205207273U true CN205207273U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520958373.XU Active CN205207273U (en) | 2015-11-27 | 2015-11-27 | Dual -air -inlet centrifugal fan |
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| CN (1) | CN205207273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842518A (en) * | 2017-12-06 | 2018-03-27 | 陆勇 | A kind of centrifugal blower and air cleaning facility |
| CN109555714A (en) * | 2019-01-23 | 2019-04-02 | 上海诺地乐通用设备制造有限公司 | The variable double air intake centrifugal blowers of one kind, realization method and system |
| CN114763913A (en) * | 2021-01-11 | 2022-07-19 | 宁波方太厨具有限公司 | Range hood and control method thereof |
-
2015
- 2015-11-27 CN CN201520958373.XU patent/CN205207273U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842518A (en) * | 2017-12-06 | 2018-03-27 | 陆勇 | A kind of centrifugal blower and air cleaning facility |
| CN109555714A (en) * | 2019-01-23 | 2019-04-02 | 上海诺地乐通用设备制造有限公司 | The variable double air intake centrifugal blowers of one kind, realization method and system |
| CN114763913A (en) * | 2021-01-11 | 2022-07-19 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Xinxiang City, Henan province Fengquan District Nanlubaocun East 453011 Patentee after: Xinxiang C-MART blower Limited by Share Ltd Address before: Xinxiang City, Henan province 453011 Nanlubaocun Fengquan District of Xinxiang City East Patentee before: Blower Co., Ltd of Xinxiang Sigma |