CN111946647A - Novel layout structure - Google Patents

Novel layout structure Download PDF

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Publication number
CN111946647A
CN111946647A CN202010959232.5A CN202010959232A CN111946647A CN 111946647 A CN111946647 A CN 111946647A CN 202010959232 A CN202010959232 A CN 202010959232A CN 111946647 A CN111946647 A CN 111946647A
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CN
China
Prior art keywords
impeller
casing
shell
air inlet
motor
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.)
Pending
Application number
CN202010959232.5A
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Chinese (zh)
Inventor
贾自周
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Hongying Electronic Technology Co ltd
Original Assignee
Dongguan Hongying Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Hongying Electronic Technology Co ltd filed Critical Dongguan Hongying Electronic Technology Co ltd
Priority to CN202010959232.5A priority Critical patent/CN111946647A/en
Publication of CN111946647A publication Critical patent/CN111946647A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans

Abstract

The invention discloses a novel layout structure, which comprises a first shell, a second shell, a motor and an impeller, wherein the motor is arranged in the first shell or the second shell, the impeller is in transmission connection with the motor, the motor is arranged in the impeller, one end of the motor is provided with a first bearing, the impeller is internally provided with a second bearing, one side of the first shell is provided with at least one first air inlet, one side of the second shell is provided with at least one second air inlet, a third air inlet is arranged between the first shell and the second shell, one sides of the first shell and the second shell are respectively provided with an air outlet, the first air inlet, the second air inlet, the third air inlet and the air outlet are respectively communicated with the inside of the impeller, and the impeller is in a multi-section structure, the volume of the fan is effectively reduced, the operation is more stable, the vibration is small, and the service life is longer.

Description

Novel layout structure
Technical Field
The invention relates to the technical field of fans, in particular to a novel layout structure.
Background
The volume of electronic products is smaller and smaller, so that the heat productivity of chips in unit volume is larger and larger, the fan is used as a main radiating element, the performance improvement is more important, and the performance optimization of a main acting part impeller in the fan is more important. The fans commonly used at present are three types, namely an axial flow fan, a centrifugal fan and a cross flow fan. The axial flow fan has large air volume but low static pressure; the centrifugal fan has small air volume and high static pressure; the cross flow fan is axially longer, has relatively large flow but low static pressure, and is suitable for consumer electronics with relatively low impedance.
As shown in fig. 1, a motor 100 is installed at one side of a cross flow fan, which increases the overall size of the cross flow fan and does not meet the current requirements of small size and large wind power, a third bearing 110 is installed inside the motor 100, a fourth bearing 120 is installed at the other side of the cross flow fan, and the distance between the third bearing 110 and the fourth bearing 120 is too long, which causes large vibration, strong noise and unstable fan operation of the cross flow fan, and is not suitable for small consumer electronics.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a novel layout structure, which reduces fluid leakage and eddy loss, improves fluid efficiency, improves the overall performance of a fan, effectively reduces the volume of the fan, and has the advantages of more stable operation, less vibration and longer service life.
In order to achieve the above purpose, the present invention provides a novel layout structure, which includes a first casing, a second casing fixedly mounted on one side of the first casing, a motor mounted inside the first casing or the second casing, and an impeller in transmission connection with the motor, wherein the motor is mounted inside the impeller, a first bearing is mounted at one end of the motor, a second bearing is mounted inside the impeller, at least one first air inlet is disposed on one side of the first casing, at least one second air inlet is disposed on one side of the second casing, a third air inlet is disposed between the first casing and the second casing, air outlets are disposed on one sides of the first casing and the second casing, the first air inlet, the second air inlet, the third air inlet and the air outlet are respectively communicated with the inside of the impeller, and the impeller is in a multi-stage structure.
As preferred, the air outlet sets up along the tangential of impeller lateral surface direction of rotation, the impeller includes first centrifugal impeller, second crossing current impeller and third centrifugal impeller, the motor is installed inside first centrifugal impeller, the second bearing is installed at third centrifugal impeller middle part, third centrifugal impeller cover is established at the second bearing internal rotation and is connected, first casing cladding is around first centrifugal impeller, the cladding of second casing is around third centrifugal impeller, the second crossing current impeller is between first casing and second casing, the second crossing current impeller outside is third ventilation opening, third ventilation opening is the design of C type.
Preferably, the first centrifugal impeller is provided with a first blade arranged in a circumferential array, the second cross-flow impeller is provided with a second blade arranged in a circumferential array, and the third centrifugal impeller is provided with a third blade arranged in a circumferential array.
Preferably, the first shell comprises a first shell fixedly connected to one side of the second shell and a motor base fixedly connected to one side of the first shell, the motor is arranged on the motor base, the first air inlet is formed in the motor base, the third air inlet is formed between the first shell and the second shell, and the air outlet is formed in one side of the first shell.
Preferably, the middle of the motor base is sleeved with a first bearing, the first centrifugal impeller is sleeved in the first bearing and rotatably connected with the first bearing, and a first mounting hole is formed in the first shell.
Preferably, the second shell comprises a second shell fixedly connected to one side of the first shell and an end cover fixedly connected to one side of the second shell, the second air inlet is formed in the end cover, the third air inlet is formed between the second shell and the first shell, and the air outlet is formed in one side of the second shell.
Preferably, the second housing is provided with a second mounting hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention installs the motor in the impeller, effectively reduces the volume of the fan, can be suitable for being used in small consumer electronics products, and can ensure the stable running of the impeller.
2. The impeller of the invention is composed of the first centrifugal impeller, the second cross flow impeller and the third centrifugal impeller, and can give full play to the fluid performance advantages of each section of impeller, thereby reducing fluid leakage and eddy loss, improving fluid efficiency and improving the overall performance of the fan.
3. According to the invention, the first bearing is arranged at one side of the motor, the second bearing is arranged in the middle of the third centrifugal impeller, so that the distance between the first bearing and the second bearing is shortened, and the impeller can run more stably, has smaller vibration and longer service life due to the fact that the total length of the impeller is longer and the distance between the bearings is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a conventional cross flow fan;
FIG. 2 is a schematic diagram of the overall structure of a novel layout structure provided by the present invention;
FIG. 3 is an exploded view of a novel layout structure provided by the present invention;
FIG. 4 is a schematic cross-sectional view of a novel layout structure provided by the present invention;
fig. 5 is a schematic structural diagram of an impeller with a novel layout structure provided by the present invention.
The figure includes:
1-a first shell, 2-a second shell, 3-a motor, 4-an impeller, 91-a first bearing, 92-a second bearing, 5-a first air inlet, 6-a second air inlet, 7-a third air outlet, 8-an air outlet, 41-a first centrifugal impeller, 42-a second cross-flow impeller, 43-a third centrifugal impeller, 44-a first blade, 45-a second blade, 46-a third blade, 11-a first shell, 12-a motor base, 111-a first mounting hole, 21-a second shell, 22-an end cover and 211-a second mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are one embodiment of the present invention, and not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Referring to fig. 2 to 5, the present invention provides a novel layout structure, including a first casing 1, a second casing 2 fixedly mounted on one side of the first casing 1, a motor 3 mounted inside the first casing 1 or the second casing 2, and an impeller 4 in transmission connection with the motor 3, wherein the motor 3 is mounted inside the impeller 4, a ratio of a length of the impeller 4 to a diameter of the impeller 4 is greater than or equal to 1.2, the motor 3 is mounted inside the impeller 4, so that the operation stability of the impeller 4 can be ensured, the overall size of the novel fan is effectively reduced, and the novel fan is suitable for being used in small consumer electronics products.
The first bearing 91 is installed at one end of the motor 3, the second bearing 92 is installed inside the impeller 4, and the first bearing 91 and the second bearing 92 support the rotation of the motor 3 and the rotation of the impeller 4 to ensure the stability of the movement.
One side of the first shell 1 is provided with at least one first air inlet 5, one side of the second shell 2 is provided with at least one second air inlet 6, a third air inlet 7 is arranged between the first shell 1 and the second shell 2, one sides of the first shell 1 and the second shell 2 are both provided with air outlets 8, the first air inlet 5, the second air inlet 6, the third air inlet 7 and the air outlets 8 are respectively communicated with the inside of the impeller 4, the air outlets 8 are arranged along the tangential direction of the rotating direction of the outer side surface of the impeller 4, air flow is sucked into the impeller 4 of the cross flow fan through the first air inlet 5 on the left side, the third air inlet 7 on the middle part and the second air inlet 6 on the right side, and the motor 3 drives the impeller 4 to enable the air flow in the impeller 4 to be discharged from the air outlets 8.
The impeller 4 is of a multi-stage structure, the impeller 4 includes a first centrifugal impeller 41, a second cross-flow impeller 42 and a third centrifugal impeller 43, the first centrifugal impeller 41 causes airflow to flow into the first centrifugal impeller 41 from the first air inlet 5 and flow out from the air outlet 8 along the rotation of the first housing 11, the inflow direction of the airflow is perpendicular to the outflow direction, the second cross-flow impeller 42 causes airflow to flow into the second cross-flow impeller 42 from the third air inlet 7 and flow out from the air outlet 8 along the axial rotation, the inflow direction and the outflow direction of the airflow are in the same plane, the third centrifugal impeller 43 causes airflow to flow into the third centrifugal impeller 43 from the second air inlet 6 and flow out from the air outlet 8 along the rotation of the second housing 21, the inflow direction and the outflow direction of the airflow are perpendicular, the impeller 4 is composed of the first centrifugal impeller 41, the second cross-flow impeller 42 and the third centrifugal impeller 43, the fluid performance advantages of each section of impeller can be fully exerted, so that fluid leakage and eddy loss are reduced, the fluid efficiency is improved, and the overall performance of the fan is improved.
Motor 3 installs inside first centrifugal impeller 41, first bearing 91 has been installed to motor 3 one side, second bearing 92 is installed at third centrifugal impeller 43 middle part, third centrifugal impeller 43 cover is established at second bearing 92 internal rotation and is connected, distance between first bearing 91 and the second bearing 92 has reduced a lot for the distance between third bearing 110 and the fourth bearing 120 in fig. 1, because impeller 4 total length is longer, shortens the distance between the bearing and can makes impeller 4 operate more steadily, and the vibration is littleer, and the life-span is longer.
The first casing 1 is wrapped around the first centrifugal impeller 41, the second casing 2 is wrapped around the third centrifugal impeller 43, the second cross flow impeller 42 is arranged between the first casing 1 and the second casing 2, the outer side of the second cross flow impeller 42 is provided with a third vent 7, and the third vent 7 is in a C-shaped design.
The first centrifugal impeller 41 is provided with a circumferential array of first blades 44, the second cross-flow impeller 42 is provided with a circumferential array of second blades 45 and the third centrifugal impeller 43 is provided with a circumferential array of third blades 46.
Referring to fig. 2 to 4, for the convenience of assembly, the first casing 1 includes a first casing 11 fixedly mounted on one side of the second casing 2, and a motor base 12 fixedly mounted on one side of the first casing 11, the motor 3 is mounted on the motor base 12, the first air inlet 5 is disposed on the motor base 12, the third air outlet 7 is disposed between the first casing 11 and the second casing 2, and an air outlet 8 is disposed on one side of the first casing 11.
The middle of the motor base 12 is sleeved with a first bearing 91, the first centrifugal impeller 41 is sleeved in the first bearing 91 and rotatably connected, the first housing 11 is provided with a first mounting hole 111, and the fan is conveniently fixed on an external device by arranging the first mounting hole 111.
Referring to fig. 2 to 4, for the convenience of assembly, the second casing 2 includes a second housing 21 fixedly mounted on one side of the first casing 1, and an end cover 22 fixedly mounted on one side of the second housing 21, the second air inlet 6 is disposed on the end cover 22, the third air outlet 7 is disposed between the second housing 21 and the first casing 1, and one side of the second housing 21 is provided with an air outlet 8.
The second housing 21 is provided with a second mounting hole 211, and the fan of the present invention is conveniently fixed to an external device by providing the second mounting hole 211.
In the using process of the cross flow fan, the air flow flows into the first centrifugal impeller 41 from the first air inlet 5 on the left side, flows into the second cross flow impeller 42 from the third air inlet 7 in the middle part, and flows into the third centrifugal impeller 43 from the second air inlet 6 on the right side, and the motor 3 drives the impeller 4 to discharge the air flow from the air outlet 8.
In conclusion, the beneficial effects of the invention are as follows:
the motor 3 is arranged in the impeller 4, so that the volume of the fan is effectively reduced, the fan can be suitable for small consumer electronics products, and the impeller 4 can be ensured to run stably; the impeller 4 of the invention is composed of a first centrifugal impeller 41, a second cross flow impeller 42 and a third centrifugal impeller 43, and can give full play to the fluid performance advantages of each section of impeller, thereby reducing fluid leakage and eddy loss, improving fluid efficiency and improving the overall performance of the fan; according to the invention, the first bearing 91 is arranged at one side of the motor 3, and the second bearing 92 is arranged in the middle of the third centrifugal impeller 43, so that the distance between the first bearing 91 and the second bearing 92 is shortened, and the impeller 4 can run more stably, has smaller vibration and longer service life due to the fact that the total length of the impeller 4 is longer and the distance between the bearings is shortened.

Claims (7)

1. A novel layout structure is characterized by comprising a first shell (1), a second shell (2) fixedly connected with one side of the first shell (1), a motor (3) arranged in the first shell (1) or the second shell (2), and an impeller (4) in transmission connection with the motor (3), wherein the motor (3) is arranged in the impeller (4), one end of the motor (3) is provided with a first bearing (91), a second bearing (92) is arranged in the impeller (4), one side of the first shell (1) is provided with at least one first air inlet (5), one side of the second shell (2) is provided with at least one second air inlet (6), a third through hole (7) is arranged between the first shell (1) and the second shell (2), one sides of the first shell (1) and the second shell (2) are both provided with an air outlet (8), the first air inlet (5), the second air inlet (6), the third air inlet (7) and the air outlet (8) are respectively communicated with the inside of the impeller (4), and the impeller (4) is of a multi-section structure.
2. The novel layout structure of claim 1, wherein the air outlet (8) is arranged along a tangential direction of a rotation direction of an outer side surface of the impeller (4), the impeller (4) comprises a first centrifugal impeller (41), a second cross flow impeller (42) and a third centrifugal impeller (43), the motor (3) is arranged inside the first centrifugal impeller (41), the second bearing (92) is arranged in the middle of the third centrifugal impeller (43), the third centrifugal impeller (43) is sleeved in the second bearing (92) and rotationally connected, the first casing (1) is wrapped around the first centrifugal impeller (41), the second casing (2) is wrapped around the third centrifugal impeller (43), the second cross flow impeller (42) is arranged between the first casing (1) and the second casing (2), and a third vent (7) is arranged outside the second cross flow impeller (42), the third ventilation opening (7) is in a C-shaped design.
3. A novel arrangement according to claim 2, characterized in that the first centrifugal impeller (41) is provided with a first blade (44) arranged in a circumferential array, the second cross-flow impeller (42) is provided with a second blade (45) arranged in a circumferential array, and the third centrifugal impeller (43) is provided with a third blade (46) arranged in a circumferential array.
4. The novel layout structure of claim 1, wherein the first casing (1) comprises a first casing (11) fixedly connected to one side of the second casing (2) and a motor base (12) fixedly connected to one side of the first casing (11), the motor (3) is mounted on the motor base (12), the first air inlet (5) is disposed on the motor base (12), the third air inlet (7) is disposed between the first casing (11) and the second casing (2), and the air outlet (8) is disposed on one side of the first casing (11).
5. The novel layout structure of claim 2 or 4, wherein a first bearing (91) is sleeved at the middle part of the motor base (12), the first centrifugal impeller (41) is sleeved in the first bearing (91) and rotatably connected with the first bearing, and a first mounting hole (111) is formed in the first housing (11).
6. The novel layout structure of claim 1, wherein the second casing (2) comprises a second outer casing (21) fixedly connected to one side of the first casing (1) and an end cover (22) fixedly connected to one side of the second outer casing (21), the second air inlet (6) is arranged on the end cover (22), the third air outlet (7) is arranged between the second outer casing (21) and the first casing (1), and the air outlet (8) is arranged on one side of the second outer casing (21).
7. The novel arrangement of claim 6, characterized in that the second housing (21) is provided with a second mounting hole (211).
CN202010959232.5A 2020-09-14 2020-09-14 Novel layout structure Pending CN111946647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010959232.5A CN111946647A (en) 2020-09-14 2020-09-14 Novel layout structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010959232.5A CN111946647A (en) 2020-09-14 2020-09-14 Novel layout structure

Publications (1)

Publication Number Publication Date
CN111946647A true CN111946647A (en) 2020-11-17

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Application Number Title Priority Date Filing Date
CN202010959232.5A Pending CN111946647A (en) 2020-09-14 2020-09-14 Novel layout structure

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114607647A (en) * 2022-03-17 2022-06-10 惠州市艾美珈磁电技术股份有限公司 Low-noise volute fan
CN114688054A (en) * 2020-12-31 2022-07-01 广东美的环境电器制造有限公司 Air supply device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114688054A (en) * 2020-12-31 2022-07-01 广东美的环境电器制造有限公司 Air supply device
CN114688054B (en) * 2020-12-31 2023-10-03 广东美的环境电器制造有限公司 Air supply device
CN114607647A (en) * 2022-03-17 2022-06-10 惠州市艾美珈磁电技术股份有限公司 Low-noise volute fan

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