CN212899134U - Motor fan system of dust collector and fixed impeller thereof - Google Patents
Motor fan system of dust collector and fixed impeller thereof Download PDFInfo
- Publication number
- CN212899134U CN212899134U CN202021160001.XU CN202021160001U CN212899134U CN 212899134 U CN212899134 U CN 212899134U CN 202021160001 U CN202021160001 U CN 202021160001U CN 212899134 U CN212899134 U CN 212899134U
- Authority
- CN
- China
- Prior art keywords
- ring wall
- motor
- inner ring
- impeller
- fan system
- 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
Abstract
The utility model discloses a dust catcher motor fan system and decide impeller thereof, decide the impeller and include: the guide vane, an outer ring wall connected to the outer end of the guide vane, an inner ring wall connected to the inner end of the guide vane, a central hole arranged in a space enclosed by the inner ring wall, and a fixing part arranged between the inner ring wall and the central hole and used for fixing a motor; the central hole is used for installing and positioning the motor; one of the inner ring wall and the hole wall of the central hole is connected with the fixing part, and a space enclosed by the inner ring wall and the outer ring wall forms an air channel. Use the utility model provides a during fixed impeller, because the fixed part sets up between interior rampart and centre bore, has avoided the wind channel, consequently can not influence the flow of air current in the wind channel, can improve fan system's efficiency, in addition, does not have other spare part except the stator in the wind channel, can the noise reduction.
Description
Technical Field
The utility model relates to a dust catcher technical field, more specifically says, relates to a decide impeller. Furthermore, the utility model discloses still relate to a dust catcher motor fan system including above-mentioned fixed impeller.
Background
In the prior art, the requirement on the volume of a dust collector is higher and higher, a small dust collector of a convenient suction type is popular, the design difficulty of a fan is increased due to the reduction of the volume of the dust collector, as shown in fig. 1, a fan system comprises a fan cover 01, a sealing ring 02, a movable impeller 03 and a fixed impeller 04, and in the prior art, a motor is connected and fixed on the periphery of the fixed impeller, so that a connecting piece is positioned in an air duct to influence the normal flow of air flow in the air duct, and further influence the air outlet effect.
In summary, how to provide a fixed impeller capable of avoiding affecting the air outlet effect in the air duct is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a stator vane is provided with the stator and is used for connecting stator's inner ring and outer loop, and the inboard of inner ring is provided with the fixed part that is used for fixed motor, can avoid the outer loop of motor and stator vane to be connected to the setting of fixed part can not influence the normal flow of air current in the wind channel, thereby improves the air-out effect.
Another object of the present invention is to provide a fan system including the above fixed impeller.
In order to achieve the above object, the present invention provides the following technical solutions:
a stator vane wheel comprising: the guide vane structure comprises a guide vane, an outer ring wall connected to the outer end of the guide vane, an inner ring wall connected to the inner end of the guide vane, a central hole arranged in a space enclosed by the inner ring wall, and a fixing part arranged between the inner ring wall and the central hole and used for fixing a motor; the central hole is used for installing and positioning the motor;
one of the inner ring wall and the hole wall of the central hole is connected with the fixing part, and a space enclosed by the inner ring wall and the outer ring wall forms an air channel.
Preferably, the fixing portion is at least two screw holes uniformly arranged along the circumferential direction of the central hole.
Preferably, the outer annular wall is provided with a groove for supporting a rear bracket of the motor.
Preferably, the guide vane and the outer ring wall are of an integral structure.
Preferably, the number of the guide vanes is 13, and the guide vanes are uniformly arranged along the circumferential direction of the outer ring wall.
A motor fan system of a dust collector comprises a fan cover used for guiding the flowing direction of airflow, a sealing structure used for isolating the airflow from entering and exiting channels, a movable impeller and any one of the fixed impellers.
Preferably, the movable impeller comprises an upper plate, a lower plate and at least two middle plates, one end of each middle plate is connected with the upper plate, and the other end of each middle plate is connected with the lower plate.
Preferably, the inlet angle of the middle piece is 23-28 degrees, and the outlet angle of the middle piece is 20-26 degrees.
Preferably, the height of the air outlet where the middle piece is located is 3mm-5 mm.
Preferably, the diameter of the outer edge of the upper sheet is 30mm-34mm, and the diameter of the outer edge of the lower sheet is 29mm-33 mm.
The utility model provides a decide impeller, include: the guide vane, an outer ring wall connected to the outer end of the guide vane, an inner ring wall connected to the inner end of the guide vane, a central hole arranged in a space enclosed by the inner ring wall, and a fixing part arranged between the inner ring wall and the central hole and used for fixing a motor; the central hole is used for installing and positioning the motor; one of the inner ring wall and the hole wall of the central hole is connected with the fixing part, and a space enclosed by the inner ring wall and the outer ring wall forms an air channel.
Use the utility model provides a during fixed impeller, because the fixed part sets up between interior rampart and centre bore, has avoided the wind channel, consequently can not influence the flow of air current in the wind channel, can improve fan system's efficiency, in addition, does not have other spare part except the stator in the wind channel, can the noise reduction.
Furthermore, the utility model also provides a dust catcher motor fan system including above-mentioned fixed impeller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a prior art vacuum cleaner motor fan system;
fig. 2 is a schematic structural diagram of a specific embodiment of the fixed impeller provided by the present invention;
FIG. 3 is a top view of the stationary vane wheel provided in FIG. 2;
FIG. 4 is a bottom view of the stationary vane wheel provided in FIG. 2;
fig. 5 is a schematic structural view of a specific embodiment of a movable impeller in a motor fan system of a vacuum cleaner provided by the present invention;
FIG. 6 is a side view of the impeller of FIG. 5.
In FIGS. 1-6:
01 is a fan cover, 02 is a sealing ring, 03 is an movable impeller, 04 is a fixed impeller, 1 is a guide vane, 2 is an outer ring wall, 3 is an inner ring wall, 4 is a central hole, 5 is a screw hole, 6 is a groove, 7 is a ring, 8 is an upper plate, 9 is a middle plate, 10 is a lower plate, a is an inlet angle, b is an outlet angle, d is an air outlet height, and e is an included angle between a connecting line of the outer edge of the upper blade and the outer edge of the lower blade and the central axis of the movable impeller.
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.
The core of the utility model is to provide a decide impeller, make do not have other spare parts except that the stator in the wind channel, can guarantee that the air current in the wind channel normally flows to noise abatement. The other core of the utility model is to provide a dust collector motor fan system comprising the fixed impeller.
Referring to fig. 1-6, fig. 1 is a schematic structural diagram of a motor-fan system of a vacuum cleaner in the prior art; fig. 2 is a schematic structural diagram of a specific embodiment of the fixed impeller provided by the present invention; FIG. 3 is a top view of the stationary vane wheel provided in FIG. 2; FIG. 4 is a bottom view of the stationary vane wheel provided in FIG. 2; fig. 5 is a schematic structural view of a specific embodiment of a movable impeller in a motor fan system of a vacuum cleaner provided by the present invention; FIG. 6 is a side view of the impeller of FIG. 5.
The fixed impeller provided by the embodiment comprises: the guide vane structure comprises a guide vane 1, an outer ring wall 2 connected to the outer end of the guide vane 1, an inner ring wall 3 connected to the inner end of the guide vane 1, a central hole 4 arranged in a space surrounded by the inner ring wall 3, and a fixing part arranged between the inner ring wall 3 and the central hole 4 and used for fixing a motor; the central hole 4 is used for installing and positioning the motor; one of the inner ring wall 3 and the hole wall of the central hole 4 is connected with the fixed part, and the space enclosed by the inner ring wall 3 and the outer ring wall 2 forms an air duct.
The wind enters a space surrounded by the inner annular wall 3 and the outer annular wall 2.
Preferably, the height of the outer annular wall 2 can be made higher than the height of the inner annular wall 3.
When the fixed impeller provided by the embodiment is used, the fixed part is arranged between the inner annular wall 3 and the central hole 4, so that the air duct is avoided, the flow of air flow in the air duct is not influenced, the efficiency of the fan system can be improved, and in addition, no other parts except the guide vane 1 are arranged in the air duct, so that the noise can be reduced.
On the basis of the above embodiment, the fixing portion may be provided with at least two screw holes 5 uniformly distributed along the circumferential direction of the central hole 4, as shown in fig. 3, the edge of the central hole 4 is provided with a connecting piece for connecting with the inner annular wall 3, and the outer edges of the screw holes 5 are connected with both the inner annular wall 3 and the outer wall of the central hole 4.
Compared with other fixing structures, the screw hole 5 is convenient in the processing process and is convenient and easy to operate during assembly.
On the basis of the above embodiment, in order to better fix the rotor assembly, a groove 6 for supporting a rear bracket for positioning the motor may be provided on the outer circumferential wall 2.
As shown in fig. 2, the number of the grooves 6 is three, and the grooves 6 are uniformly distributed along the circumferential direction of the outer ring wall 2, when the rear bracket is installed, the outer edge of the rear bracket needs to be matched with the grooves 6 so as to realize the positioning installation of the rear bracket.
Preferably, the rear bracket may be made of a metal material.
Preferably, a positioning ring 7 for positioning the motor housing may be provided on the inner annular wall 3, the positioning ring 7 being provided at a position above the inner annular wall 3.
On the basis of the above embodiment, the guide vane 1 and the outer annular wall 2 may be formed as an integral structure, and preferably, may be integrally injection-molded by injection molding.
The guide vane 1 and the outer annular wall 2 of the guide vane 1 are integrally injection molded, so that the manufacturing cost of a product and the management cost of materials are reduced, and more importantly, the backflow of fluid formed in the guide vane 1 due to split type is reduced, so that the smooth flowing of air flow in an air channel is ensured, and the noise is reduced.
Preferably, the number of the guide vanes 1 may be set to 13, and the guide vanes 1 are uniformly distributed along the circumferential direction of the outer ring wall 2.
After considering that the number of the guide vanes 1 is increased, the flow speed of the air flow in the air duct can be appropriately reduced, and the noise is reduced, but the efficiency of the motor needs to be ensured while the noise is reduced, so after comprehensively considering, the number of the guide vanes 1 is determined to be 13, and of course, the number of the guide vanes 1 can be changed according to different actual situations.
In addition to above-mentioned decide impeller, the utility model discloses still provide a dust catcher motor fan system including the fixed impeller that above-mentioned embodiment disclosed, this dust catcher motor fan system includes: the fan cover is used for guiding the flow direction of the airflow, the sealing structure is used for isolating the airflow from entering and exiting the channel, the movable impeller and any one of the fixed impellers are used; the structure of other parts of the motor and fan system of the vacuum cleaner refers to the prior art, and is not described herein again.
In the use process, the rotor component of the motor drives the movable impeller to rotate, and airflow enters from the fan cover and flows out through the air duct and the guide vane 1 in the rotating process of the movable impeller.
Preferably, the movable impeller is made of aluminum alloy, the movable impeller and the rotor shaft can be in clearance fit or interference fit, and when the movable impeller and the rotor shaft are in clearance fit, the movable impeller and the rotor shaft are required to be connected through connecting pieces such as connecting screws; the fan cover is made of engineering plastics or other materials with the same grade.
Use the utility model provides an in-process of dust catcher fan system, after the air current got into the wind channel by the fan housing, because the fixed part sets up between interior rampart 3 and centre bore 4, consequently the motor sets up in the region that the rampart 3 encloses, does not have other spare part structures except stator 1 in the wind channel, consequently can guarantee the smooth and easy flow of air current in the wind channel to noise reduction.
On the basis of the above embodiment, the moving impeller may include an upper plate 8, a lower plate 10, and at least two middle plates 9 having one end connected to the upper plate 8 and the other end connected to the lower plate 10.
As shown in fig. 5, the middle piece 9 is disposed at the middle, the upper piece 8 is disposed at the left end, and the lower piece 10 is disposed at the right end.
The specific number of the middle pieces 9 needs to be determined according to the actual situation, and is not described herein.
On the basis of the above embodiment, the inlet angle of the middle plate 9 can be set to 23-28 °, the outlet angle of the middle plate 9 can be set to 20-26 °, as shown in fig. 6, a is the inlet angle, and b is the outlet angle.
Preferably, the inlet angle of the middle plate 9 is set to 25.2 °, and the outlet angle of the middle plate 9 is set to 24.8 °.
The height of the air outlet where the middle sheet 9 is located is 3mm-5mm, and d is the height of the air outlet as shown in fig. 5.
Preferably, the height of the air outlet where the middle sheet 9 is located is 4 mm.
On the basis of the above embodiment, the outer edge diameter of the upper sheet 8 may be set to 30mm to 34mm, and the outer edge diameter of the lower sheet 10 may be set to 29mm to 33 mm.
Preferably, the diameter of the outer edge of the upper plate 8 is set to be 32mm, and the diameter of the outer edge of the lower plate 10 is set to be 31 mm; and as shown in fig. 5, e is an included angle between a connecting line of the outer edge of the upper blade and the outer edge of the lower blade and the central axis of the movable impeller, and the included angle between the connecting line of the outer edge of the upper blade and the outer edge of the lower blade and the central axis of the movable impeller is 7.1 °.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
The above details are provided for the motor fan system of the dust collector and the fixed impeller thereof. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A stator vane wheel, comprising: the motor fixing structure comprises a guide vane (1), an outer ring wall (2) connected to the outer end of the guide vane (1), an inner ring wall (3) connected to the inner end of the guide vane (1), a center hole (4) arranged in a space surrounded by the inner ring wall (3), and a fixing part arranged between the inner ring wall (3) and the center hole (4) and used for fixing a motor; the central hole (4) is used for installing and positioning the motor;
one of the inner ring wall (3) and the hole wall of the central hole (4) is connected with the fixing part, and a space enclosed by the inner ring wall (3) and the outer ring wall (2) forms an air duct.
2. Stator wheel according to claim 1, characterized in that said fixing portion is at least two screw holes (5) uniformly arranged along the circumferential direction of said central hole (4).
3. Stator wheel according to claim 1, characterized in that the outer annular wall (2) is provided with a groove (6) for supporting a rear bracket of the electric motor.
4. -fixed impeller according to any one of the claims 1 to 3, characterised in that the guide vanes (1) and the outer annular wall (2) are of one-piece construction.
5. -fixed impeller according to any one of the claims 1 to 3, characterised in that the number of guide vanes (1) is 13 and is uniformly arranged in the circumferential direction of the outer annular wall (2).
6. A motor fan system of a dust collector, which is characterized by comprising a fan cover for guiding the flowing direction of airflow, a sealing structure for isolating the airflow from entering and exiting channels, a movable impeller and a fixed impeller mentioned in any one of the claims 1-5.
7. The vacuum cleaner motor fan system according to claim 6, wherein the impeller comprises an upper blade (8), a lower blade (10), and at least two middle blades (9) connected to the upper blade (8) at one end and to the lower blade (10) at the other end.
8. The vacuum cleaner motor blower system according to claim 7, wherein the inlet angle of the middle plate (9) is 23 ° -28 °, and the outlet angle of the middle plate (9) is 20 ° -26 °.
9. The motor and fan system of claim 7, wherein the height of the air outlet where the middle piece (9) is located is 3mm-5 mm.
10. The vacuum cleaner motor fan system of claim 7, wherein the outer edge of the upper blade (8) has a diameter of 30mm to 34mm and the outer edge of the lower blade (10) has a diameter of 29mm to 33 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160001.XU CN212899134U (en) | 2020-06-19 | 2020-06-19 | Motor fan system of dust collector and fixed impeller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160001.XU CN212899134U (en) | 2020-06-19 | 2020-06-19 | Motor fan system of dust collector and fixed impeller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899134U true CN212899134U (en) | 2021-04-06 |
Family
ID=75279153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160001.XU Active CN212899134U (en) | 2020-06-19 | 2020-06-19 | Motor fan system of dust collector and fixed impeller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899134U (en) |
-
2020
- 2020-06-19 CN CN202021160001.XU patent/CN212899134U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9709073B2 (en) | Centrifugal fan | |
| CN110513304B (en) | Centrifugal fan and dust collector | |
| US11116367B2 (en) | Electric fan and vacuum cleaner having same | |
| JP7145588B2 (en) | Electric blower and vacuum cleaner equipped with the same | |
| JP2020112145A (en) | Electric blower and vacuum cleaner with the same | |
| EP0602007A2 (en) | Vacuum cleaner having an impeller and diffuser | |
| CN106958538B (en) | Centrifugal fan and dust collector with same | |
| EP3943754A1 (en) | Fan and electric appliance | |
| WO2021084875A1 (en) | Electric blower and vacuum cleaner provided with same | |
| CN106989034B (en) | Centrifugal fan and dust collector with same | |
| CN212899134U (en) | Motor fan system of dust collector and fixed impeller thereof | |
| CN210290259U (en) | Impeller, fan and motor | |
| JP6758243B2 (en) | Electric blower and vacuum cleaner equipped with it | |
| JP4512352B2 (en) | Pipe fan | |
| CN113074137B (en) | Air supply device and dust collector | |
| CN111049321A (en) | Electric machine with double-fan cooling system | |
| CN110886708A (en) | Backward-inclined silent fan | |
| WO2023108921A1 (en) | Fan and cleaning device with same | |
| CN219654913U (en) | Circular centrifugal axial flow fan | |
| CN113074127B (en) | Air supply device and dust collector | |
| CN216077641U (en) | Centrifugal fan | |
| CN212225567U (en) | Air duct system component and fixed impeller thereof | |
| CN219413024U (en) | Centrifugal fan and range hood | |
| CN219062016U (en) | Fan assembly and dust collector | |
| CN212137471U (en) | Brushless motor and impeller thereof |
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: 20230511 Address after: No. 20, Lizhou Road, Lizhou Street, Yuyao City, Ningbo City, Zhejiang Province 315400 Patentee after: Ningbo Keda Driving Technology Co.,Ltd. Address before: No.32, Guangrong Road, Lizhou street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: KADA MICROMOTOR MANUFACTURING Co.,Ltd. |