CN209115399U - A kind of centrifuge labyrinth type positioning air inlet - Google Patents
A kind of centrifuge labyrinth type positioning air inlet Download PDFInfo
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- CN209115399U CN209115399U CN201821589257.5U CN201821589257U CN209115399U CN 209115399 U CN209115399 U CN 209115399U CN 201821589257 U CN201821589257 U CN 201821589257U CN 209115399 U CN209115399 U CN 209115399U
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- labyrinth type
- air inlet
- positioning
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- impeller sets
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Abstract
A kind of centrifuge labyrinth type positioning air inlet, it is related to centrifuge air inlet technical field, air inlet is positioned more particularly to a kind of centrifuge labyrinth type, it includes base plate, motor, shaft coupling, axle box, impeller sets, spiral case group, it also includes labyrinth type air intake mouth, location sealing component, upside positioning seals, downside positioning seals, impeller sets are provided with labyrinth type air intake mouth far from the side of axle box, location sealing component is provided between labyrinth type air intake mouth and impeller sets shroud, upside positioning seals are welded at labyrinth type air intake mouth, downside positioning seals are connected by bolt or rivet in upside positioning seals, downside positioning seals have an oblique angle, and it is matched with impeller sets shroud radian.After adopting the above technical scheme, the utility model has the beneficial effect that the cuff size that it is not only accurately positioned between air inlet and impeller, but also essentially eliminate the circulating loss of blower.
Description
Technical field
The utility model relates to centrifuge air inlet technical fields, and in particular to a kind of centrifuge labyrinth type positioning air inlet
Mouthful.
Background technique
Air inlet of centrifugal fan is bigger to the effect of aerodynamic performance of centrifugal blower, the pneumatic situation of air inlet, can be direct
The inlet air conditions for influencing draught fan impeller, influence the performance of blower.In manufacture and assembling process, the running-on of air inlet and impeller sets
The more difficult assurance of size, and cuff size largely affects air quantity, wind pressure, noise and the efficiency of blower.Under normal conditions,
Cuff size is excessive or air inlet is not inserted into the entrance of impeller, and pressure, the efficiency of blower have different degrees of reduction, cannot
Meets the needs of production technology is to fan performance.Simultaneously because the uncertainty of cuff size, increases the circulating loss of blower,
The noise of blower is also risen.If there is a kind of structure can be to cuff size precise positioning, and between air inlet and impeller
Gap radial seal reduces circulating loss, then the pressure of blower, efficiency can substantial increases.For above situation, propose
A kind of centrifugal blower labyrinth type positioning air inlet structure.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of centrifuge labyrinth type positioning is provided
Air inlet, the cuff size between air inlet and impeller is not only accurately positioned in it, but also essentially eliminates the circulating loss of blower；
Based on this structure, reduce blower assembly difficulty, the pressure and efficiency of blower is greatly improved, reduce noise, promotes product
Quality；In terms of energy-saving and emission-reduction and environmental protection, economic benefit and social benefit that it can be considerable for social creativity.
To achieve the above object, the utility model is using following technical scheme: it include base plate 1, motor 2,
Shaft coupling 3, axle box 4, impeller sets 5, spiral case group 6, it also includes that labyrinth type air intake mouth 7, location sealing component 8, upper side positioning are close
Sealing 81, downside positioning seals 82, motor 2 is equipped on base plate 1, and the output shaft and shaft coupling 3 of motor 2 connect
It connects, the front side of shaft coupling 3 is provided with axle box 4, and the front side of axle box 4 is provided with spiral case group 6, and spiral case group 6 is internally provided with impeller sets
5, impeller sets 5 are provided with labyrinth type air intake mouth 7 far from the side of axle box 4, set between 5 shroud of labyrinth type air intake mouth 7 and impeller sets
It is equipped with location sealing component 8, location sealing component 8 is divided to for 82 two portions of upside positioning seals 81 and downside positioning seals
Point, upside positioning seals 81 are welded at labyrinth type air intake mouth 7, and downside positioning seals 82 are by bolt or rivet in upside
Positioning seals 81 connect, and downside positioning seals 82 have an oblique angle, and match with 5 shroud radian of impeller sets.
The flow channel shape of the labyrinth type air intake mouth 7 is cone arc, and the segmental arc and impeller sets of labyrinth type air intake mouth 7
The matching of 5 shroud arcs.Fans entrance inlet air conditions can be improved by adopting the structure, and keep fan operation air inlet more smooth.
The upside positioning seals 81 are iron ring, and iron ring is with a thickness of 1~1.5 times of air inlet material thickness.
The downside positioning seals 82 are aluminium circle or copper band, and aluminium circle or copper band are with a thickness of 1.5~2 times of air inlet material
Expect thickness.
After adopting the above technical scheme, the utility model have the beneficial effect that it be not only accurately positioned air inlet and impeller it
Between cuff size, and essentially eliminate the circulating loss of blower；Based on this structure, blower assembly difficulty is reduced, substantially
Degree improves the pressure and efficiency of blower, reduces noise, promotes product quality；In terms of energy-saving and emission-reduction and environmental protection, it can be society
Considerable economic benefit and social benefit can be created.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the portion the A enlarged drawing of corresponding diagram 1.
Description of symbols: base plate 1, motor 2, shaft coupling 3, axle box 4, impeller sets 5, spiral case group 6, labyrinth type into
Air port 7, location sealing component 8, upside positioning seals 81, downside positioning seals 82.
Specific embodiment
Referring to shown in Fig. 1-Fig. 2, present embodiment the technical solution adopted is that: it includes base plate 1, motor
2, shaft coupling 3, axle box 4, impeller sets 5, spiral case group 6, it also includes labyrinth type air intake mouth 7, location sealing component 8, upper side positioning
Sealing element 81, downside positioning seals 82, motor 2 is equipped on base plate 1, and the output shaft and shaft coupling 3 of motor 2 connect
It connects, the front side of shaft coupling 3 is provided with axle box 4, and the front side of axle box 4 is provided with spiral case group 6, and spiral case group 6 is internally provided with impeller sets
5, impeller sets 5 are provided with labyrinth type air intake mouth 7 far from the side of axle box 4, set between 5 shroud of labyrinth type air intake mouth 7 and impeller sets
It is equipped with location sealing component 8, location sealing component 8 is divided to for 82 two portions of upside positioning seals 81 and downside positioning seals
Point, upside positioning seals 81 are welded at labyrinth type air intake mouth 7, and downside positioning seals 82 are by bolt or rivet in upper
Side positioning sealing element 81 connects, and downside positioning seals 82 have an oblique angle, and match with 5 shroud radian of impeller sets.
The flow channel shape of the labyrinth type air intake mouth 7 is cone arc, and the segmental arc and impeller sets of labyrinth type air intake mouth 7
The matching of 5 shroud arcs.Fans entrance inlet air conditions can be improved by adopting the structure, and keep fan operation air inlet more smooth.
The upside positioning seals 81 are iron ring, and iron ring is with a thickness of 1~1.5 times of air inlet material thickness.
The downside positioning seals 82 are aluminium circle or copper band, and aluminium circle or copper band are with a thickness of 1.5~2 times of air inlet material
Expect thickness.
Working principle of the utility model is: being provided with location sealing group between 5 shroud of labyrinth type air intake mouth 7 and impeller sets
Part 8, location sealing component 8 play fixed function to labyrinth type air intake mouth 7, it is made precisely to be inserted into impeller, meanwhile, location sealing group
Part 8 is divided to for 82 two parts of upside positioning seals 81 and downside positioning seals, plays to labyrinth type air intake mouth 7 and leaf
The effect of the gap radial seal of wheel group 5 reduces circulating loss, to significantly improve the pressure of blower, efficiency.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (4)
1. a kind of centrifuge labyrinth type positions air inlet, it includes base plate (1), motor (2), shaft coupling (3), axle box
(4), impeller sets (5), spiral case group (6), it is characterised in that: it also include labyrinth type air intake mouth (7), location sealing component (8), on
Side positioning sealing element (81), downside positioning seals (82) are equipped with motor (2) on base plate (1), motor (2)
Output shaft is connect with shaft coupling (3), is provided on front side of shaft coupling (3) axle box (4), and axle box is provided with spiral case group on front side of (4)
(6), spiral case group (6) is internally provided with impeller sets (5), and impeller sets (5) are provided with labyrinth type air intake mouth far from the side of axle box (4)
(7), it is provided with location sealing component (8) between labyrinth type air intake mouth (7) and impeller sets (5) shroud, location sealing component (8) point
For (82) two parts of upside positioning seals (81) and downside positioning seals, upside positioning seals (81) are welded in labyrinth
At formula air inlet (7), downside positioning seals (82) are connected by bolt or rivet in upside positioning seals (81), and downside is fixed
Position sealing element (82) has an oblique angle, and matches with impeller sets (5) shroud radian.
2. a kind of centrifuge labyrinth type according to claim 1 positions air inlet, it is characterised in that: the labyrinth type into
The flow channel shape in air port (7) is cone arc, and the segmental arc of labyrinth type air intake mouth (7) is matched with impeller sets (5) shroud arc.
3. a kind of centrifuge labyrinth type according to claim 1 positions air inlet, it is characterised in that: the upper side positioning
Sealing element (81) is iron ring, and iron ring is with a thickness of 1~1.5 times of air inlet material thickness.
4. a kind of centrifuge labyrinth type according to claim 1 positions air inlet, it is characterised in that: the lower side positioning
Sealing element (82) is aluminium circle or copper band, and aluminium circle or copper band are with a thickness of 1.5~2 times of air inlet material thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589257.5U CN209115399U (en) | 2018-09-28 | 2018-09-28 | A kind of centrifuge labyrinth type positioning air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821589257.5U CN209115399U (en) | 2018-09-28 | 2018-09-28 | A kind of centrifuge labyrinth type positioning air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115399U true CN209115399U (en) | 2019-07-16 |
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ID=67199668
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821589257.5U Active CN209115399U (en) | 2018-09-28 | 2018-09-28 | A kind of centrifuge labyrinth type positioning air inlet |
Country Status (1)
| Country | Link |
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| CN (1) | CN209115399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552911A (en) * | 2019-10-12 | 2019-12-10 | 浙江科贸智能机电股份有限公司 | air inlet of centrifugal ventilator |
-
2018
- 2018-09-28 CN CN201821589257.5U patent/CN209115399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552911A (en) * | 2019-10-12 | 2019-12-10 | 浙江科贸智能机电股份有限公司 | air inlet of centrifugal ventilator |
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