CN216430063U - Cup joint butt joint current collector and fan thereof - Google Patents
Cup joint butt joint current collector and fan thereof Download PDFInfo
- Publication number
- CN216430063U CN216430063U CN202122395002.3U CN202122395002U CN216430063U CN 216430063 U CN216430063 U CN 216430063U CN 202122395002 U CN202122395002 U CN 202122395002U CN 216430063 U CN216430063 U CN 216430063U
- Authority
- CN
- China
- Prior art keywords
- current collector
- impeller
- outlet
- vortex
- support
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a sleeve joint butt joint current collector, namely a current collector, wherein a sleeve joint current collector outlet and a butt joint current collector outlet are arranged on the current collector, a vortex-proof ring is arranged at the outer edge of the current collector, and the current collector is integrally formed; the sleeve joint current collector outlet has better guiding function to the fluid flowing into the impeller, the distance between the butt joint current collector outlet and the wheel cover of the impeller is small, the secondary flow can be reduced, the pressure and the efficiency of the impeller are improved, the rotating speed of the fan can be reduced after the pressure is increased, namely, the vortex noise and the rotating noise of the impeller are reduced, the vortex between the wheel cover and the current collector can be scattered by the vortex preventing ring on the current collector to improve the efficiency and the noise of the impeller, the three-dimensional flow linear type support can better adapt to the flow field from the current collector to the base at the impeller outlet, better flow guiding and pressurizing functions are realized to the fluid, and the noise of a working condition point can also be reduced.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan, concretely relates to cup joint butt joint current collector and fan thereof.
Background
The plug-and-play backward centrifugal fan mainly comprises an impeller, a current collector, a base and a bracket, wherein the current collector has great influence on the performance and the noise of the impeller, so that a better current collector form is required to be provided according to the working point of the impeller so as to improve the performance and the noise of the working point of the impeller.
During the operation of the backward centrifugal fan, fluid flows into the impeller again from an outlet of the impeller through a gap between the current collector and the impeller cover so as to form secondary flow, and vortexes generated by the secondary flow between the impeller cover and the current collector can influence the performance and the noise of the impeller.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cup joint butt joint collector and fan thereof to influence the performance of impeller and the problem of noise by the produced swirl of secondary flow between the wheel cap of the impeller that proposes and the collector in solving above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a cup joint butt joint collector, is the collector, be equipped with cup joint collector export and butt joint collector export on the collector, the collector outer fringe has the vortex-preventing circle, the collector is integrated into one piece.
Preferably, the collector has two outlets, namely a sleeved collector outlet and a butt collector outlet.
Preferably, the outer edge of the collector is provided with a vortex preventing ring, and the vortex preventing ring is flanged towards the side of the wheel cover.
A fan, namely an impeller, comprises blades, a wheel cover, a wheel disc and a motor, wherein the impeller is fixed on a base through the motor, a current collector is connected with the base through a support, the support comprises an upper support and a lower support, concentric screw holes are formed in the upper support and the lower support, and the current collector, four upper supports, four lower supports and the base are fixed into a whole through bolts penetrating through the concentric screw holes.
Preferably, the support is in the form of a triad with varying mounting angles and cross-sectional profiles from the collector to the base.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sleeved collector outlet has a better guiding function on fluid flowing into the impeller, the distance between the butted collector and the impeller is small, secondary flow can be reduced, the pressure and the efficiency of the impeller are improved, the rotating speed of the fan can be reduced after the pressure is increased, and the sleeved collector outlet and the butted collector outlet are favorable for reducing the vortex noise and the rotating noise of the impeller.
2. Because the secondary flow can produce the swirl between wheel lid and current collector, can break up into little vortex through the vortex ring of preventing that sets up the great swirl of this department, be favorable to improving the fan performance, reduce the vortex noise.
3. The support connects the current collector with the bottom plate, better adapts to the flow field from the current collector to the base at the impeller outlet, has better diversion and pressurization effects on the fluid, and can also reduce the noise of the working point.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sleeved collector outlet and the butted collector outlet and their relative positions to the wheel cover of the present invention;
FIG. 3 is a schematic sectional view of the anti-vortex ring of the present invention;
FIG. 4 is a schematic view of the support of the present invention showing an enlarged structure from above;
FIG. 5 is a table diagram comparing the performance of the front and rear schemes of the vortex breaker of the present invention;
in the figure: 1. an impeller; 1-1. a leaf; 1-2, wheel cover; 1-3. a wheel disc; 1-4. a motor; 2. a current collector; 2-1, sleeving a collector outlet; 2-2, butting an outlet of a current collector; 2-3. anti-vortex ring; 3. a base; 4. a support; 4-1, mounting a bracket; 4-2, lower support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.
Referring to fig. 1 to 5, the present invention provides a technical solution: a muff coupling butt joint current collector, namely current collector 2, there are bell coupling current collector outlet 2-1 and butt joint current collector outlet 2-2 on the current collector 2, bell coupling current collector outlet 2-1 has better guide effects to the fluid flowing into impeller 1, the interval between wheel cover 1-2 and butt joint current collector outlet 2-2 is small, can reduce the secondary flow, improve pressure and efficiency of the impeller 1, can make the rotational speed of the blower reduce after the pressure increases, namely favorable to reducing the eddy current noise and rotational noise of the impeller 1; the vortex preventing ring 2-3 is arranged on the outer edge of the current collector 2, the vortex preventing ring 2-3 breaks up larger vortex between the wheel cover and the current collector into small vortex, the performance of the fan is improved, the vortex noise is reduced, and the current collector 2 is integrally formed.
In this embodiment, the collector 2 has two outlets, namely a sleeved collector outlet 2-1 and a butted collector outlet 2-2, the sleeved collector 2-1 has a better guiding effect on fluid entering the impeller 1, the distance between the butted collector outlet 2-2 and the wheel cover 1-2 is small, secondary flow can be reduced, the pressure and the efficiency of the impeller 1 are improved, the rotating speed of the fan can be reduced after the pressure is increased, and the fan is favorable for reducing the eddy noise and the rotation noise of the impeller 1.
In the embodiment, the anti-vortex ring 2-3 is arranged on the outer edge of the current collector 2, the anti-vortex ring 2-3 is flanged towards the side of the wheel cover 1-2, and as secondary flow exists after the fluid flows out of the outlet of the impeller 1 (the fluid flows into the impeller 1 again from the outlet of the impeller 1 through the gap between the current collector 2 and the wheel cover 1-2), vortex is generated between the wheel cover 1-2 and the current collector 2 by the secondary flow, the anti-vortex ring 2-3 is arranged on the outer edge of the current collector 2, and the anti-vortex ring 2-3 breaks larger vortex at the position into small vortices, so that the performance of a fan is improved, and vortex noise is reduced.
A fan, namely an impeller 1, comprises blades 1-1, a wheel cover 1-2 and a wheel disc 1-3, wherein the impeller 1 is fixed on a base 3 through a motor 1-4, a current collector 2 is connected with the base 3 through a support 4, the support 4 comprises an upper support 4-1 and a lower support 4-2, concentric screw holes are formed in the upper support 4-1 and the lower support 4-2, and the current collector 2, four upper supports 4-1, four lower supports 4-2 and the base 3 are fixed into a whole through bolts penetrating through the concentric screw holes.
In this embodiment, the support 4 is in a ternary form in which the installation angle and the section profile of the support from the current collector 2 to the base 3 are changed, the support 4 is in a ternary form, and the support in the form of a ternary profile can better adapt to a flow field from the current collector 2 to the base 3 at an impeller outlet, has better flow guiding and pressurizing effects on fluid, and can also reduce noise at a working point.
The utility model discloses a theory of operation and use flow:
when the current collector 2 is installed, the sleeved current collector outlet 2-1 and the butted current collector 2-2 are arranged on the current collector 2, the sleeved current collector 2-1 has a better guiding function on fluid flowing into the impeller 1, the distance between the butted current collector 2-2 and the wheel cover 1-2 is small, secondary flow can be reduced, the pressure and the efficiency of the impeller 1 are improved, the rotating speed of a fan can be reduced after the pressure is increased, and the fan is favorable for reducing the eddy noise and the rotating noise of the impeller;
the secondary flow can generate vortexes between the wheel cover 1-2 and the current collector 2, the vortex preventing rings 2-3 are arranged on the outer edge of the current collector 2, the vortex preventing rings 2-3 break up the larger vortexes at the positions into small vortexes, the fan performance (the power of the impeller 1 is reduced) is improved, vortex noise is reduced, and the current collector 2 (comprising the sleeved current collector outlet 2-1, the butted current collector outlet 2-1 and the vortex preventing rings 2-3) is integrally demoulded;
the support 4 is in a ternary form and is divided into an upper support 4-1 and a lower support 4-2, concentric screw holes are formed in the upper support 4-1 and the lower support 4-2, the current collector 2, the four upper supports 4-1, the four lower supports 4-2 and the base 3 are connected and fixed through bolts penetrating through the concentric screw holes, the ternary form of the support 4 can better adapt to a flow field from the current collector 2 to the base 3 at an outlet of the impeller 1, better flow guiding and pressurizing effects are realized on fluid, and noise of a working condition point can be reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A muff coupling butt current collector, i.e. a current collector (2), characterized in that: the device is characterized in that a sleeve-joint current collector outlet (2-1) and a butt-joint current collector outlet (2-2) are arranged on the current collector (2), an anti-vortex ring (2-3) is arranged on the outer edge of the current collector (2), and the current collector (2) is integrally formed.
2. A bell-spigot butt current collector as claimed in claim 1, wherein: the collector (2) is provided with two outlets, namely a sleeved collector outlet (2-1) and a butted collector outlet (2-2).
3. A bell-spigot butt current collector as claimed in claim 1, wherein: the outer edge of the current collector (2) is provided with an anti-vortex ring (2-3), and the anti-vortex ring (2-3) is flanged towards the side direction of the wheel cover (1-2).
4. A fan, i.e. an impeller (1), which comprises blades (1-1), a wheel cover (1-2), a wheel disc (1-3) and a motor (1-4), is characterized in that: the impeller (1) is fixed on the base (3) through the motor (1-4), the current collector (2) is connected with the base (3) through the support (4), the support (4) comprises an upper support (4-1) and a lower support (4-2), concentric screw holes are formed in the upper support (4-1) and the lower support (4-2), and the current collector (2), the four upper supports (4-1), the four lower supports (4-2) and the base (3) are fixed into a whole through bolts penetrating through the concentric screw holes.
5. The fan of claim 4, wherein: the support (4) is in a ternary form, and the installation angle and the section profile of the support are changed from the current collector (2) to the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395002.3U CN216430063U (en) | 2021-09-30 | 2021-09-30 | Cup joint butt joint current collector and fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395002.3U CN216430063U (en) | 2021-09-30 | 2021-09-30 | Cup joint butt joint current collector and fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216430063U true CN216430063U (en) | 2022-05-03 |
Family
ID=81330226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122395002.3U Active CN216430063U (en) | 2021-09-30 | 2021-09-30 | Cup joint butt joint current collector and fan thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216430063U (en) |
-
2021
- 2021-09-30 CN CN202122395002.3U patent/CN216430063U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112360772B (en) | Split diagonal flow type axial flow fan | |
| CN202273885U (en) | Efficient multi-air-outlet energy-saving explosion-proof fan | |
| CN211422997U (en) | Sealing structure for reducing gap leakage of inlet collector of centrifugal fan | |
| CN216430063U (en) | Cup joint butt joint current collector and fan thereof | |
| CN213450988U (en) | Centrifugal impeller and ventilator thereof | |
| CN211648507U (en) | High-efficient dust catcher fan assembly and dust catcher thereof | |
| CN109424586B (en) | Volute tongue structure for radial flow fan | |
| CN113700674A (en) | Cup joint butt joint current collector and fan thereof | |
| CN108953222B (en) | Centrifugal impeller | |
| CN111535974A (en) | Low-water-head large-flow mixed-flow water turbine with double-inlet volute | |
| CN207750266U (en) | A kind of centrifugal blower | |
| CN209908803U (en) | Backward centrifugal fan with flow guide device | |
| CN112628199B (en) | Centrifugal wind wheel capable of reducing resistance and noise | |
| CN102312848B (en) | Efficient multi-air outlet energy-saving anti-explosion fan | |
| CN202732463U (en) | Centrifugal fan sealing system | |
| CN214617192U (en) | Centrifugal wind wheel with flow guide structure and centrifugal fan | |
| CN211039145U (en) | High-efficient low noise does not have spiral case fan wheel | |
| CN104929973A (en) | Multiple-stage centrifugal pump impeller matched with radial guide vane | |
| CN203717454U (en) | Fan V-shaped guide slot diffuser | |
| CN109099008B (en) | Centrifugal wind wheel with flow guide device | |
| CN210343843U (en) | Forward multi-wing centrifugal wind wheel with inlet diversion | |
| CN202493497U (en) | Interior pressure diffusion structure of no-shell fan | |
| CN210461164U (en) | Mixed flow pump | |
| CN209483637U (en) | With front shroud blade and notch without spiral case centrifugal fan | |
| CN214118527U (en) | Noise reduction type axial fan structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |