CN220754511U

CN220754511U - High-speed motor fan

Info

Publication number: CN220754511U
Application number: CN202321856811.2U
Authority: CN
Inventors: 周峻武; 蔡杏; 刘穗
Original assignee: Shenzhen Weston Motor Technology Co ltd
Current assignee: Shenzhen Weston Motor Technology Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-04-09
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to a high-speed motor fan, which comprises an impeller, wherein the impeller comprises an end cover and fan blades, the end cover comprises an installation part and an air guide part, the fan blades are radially arranged on the periphery of the installation part, and the air guide part is conical.

Description

High-speed motor fan

Technical Field

The utility model relates to the technical field of fans, in particular to a high-speed motor fan.

Background

The motor equipment can produce a large amount of heat in the operation process, so that the motor has good radiating elements, which are the precondition of stable operation of the motor, and traditional motor radiating is realized by adopting a fan to force air to flow, so that the size of air quantity and air pressure of the fan directly influence the cooling effect of the motor, the existing radiating fan mostly achieves the effect of improving the air quantity and the air pressure by the size of the fan impeller, and the effect of improving the air quantity and the air pressure by increasing the size of the fan impeller can occupy a larger cross section area.

Disclosure of Invention

The utility model aims to solve the technical problem of improving the air quantity and the air pressure under the condition of not increasing the size of a fan impeller, and provides a high-speed motor fan aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a structure high-speed motor fan, high-speed motor fan includes the impeller, the impeller includes end cover and flabellum, its characterized in that, the end cover includes installation department and air-guiding portion, the flabellum is radial setting in installation department week side, air-guiding portion is the toper.

Preferably, the motor comprises a motor shell, an air outlet and an air inlet are respectively arranged at the bottom and the top of the motor shell, a first inner air guide channel is arranged between the air inlet and the air outlet, a stator winding is arranged in the motor shell, a rotor is arranged at the center of the stator winding, a first shaft hole is formed in the middle of the rotor, and a transmission shaft is fixedly connected in the first shaft hole.

Preferably, the wind guiding part is arranged at one side of the mounting part far away from the motor shell, a second shaft hole is formed in the middle of the wind guiding part, one end of the transmission shaft is fixedly connected with the first shaft hole, and the other end of the transmission shaft is fixedly connected with the second shaft hole.

Preferably, the outer side wall of the motor housing is provided with an air guide inner housing extending towards the impeller, an air guide connecting block is arranged between the motor housing and the impeller, the air guide connecting block is integrally formed with the air guide inner housing, a second inner air guide channel is arranged between the air guide connecting block and the air guide inner housing, and the first inner air guide channel is communicated with the second inner air guide channel.

Preferably, the inlet of the installation through hole is provided with a first bearing, the outlet of the installation through hole is provided with a second bearing, an elastic piece is arranged between the first bearing and the second bearing, the center of the air guide connecting block is provided with an installation through hole, the transmission shaft penetrates from the inlet of the installation through hole and penetrates out from the outlet of the installation through hole, and the transmission shaft is fixedly connected with the first bearing and the second bearing.

Preferably, the outside cover of wind-guiding inner shell is equipped with the wind-guiding shell, the wind-guiding inner shell with the wind-guiding shell is connected through the aviation baffle, the wind-guiding inner shell with be provided with a plurality of outer wind-guiding passageways between the wind-guiding shell.

Preferably, the bottom of installation department is provided with the holding tank, the top setting of wind-guiding connecting block is in the holding tank, just the top of wind-guiding connecting block is provided with first step of dodging, the wind-guiding shell is close to the one end inner wall of impeller is provided with prevents the flabellum with the step is dodged to the second that the wind-guiding shell collided.

Preferably, the length of the fan blade is larger than the width of the outer air guide channel, the air deflector is arc-shaped.

Preferably, the top of motor housing is provided with electrically conductive mount pad, electrically conductive mount pad's lateral wall is provided with a plurality of openings, electrically conductive mount pad is kept away from motor housing's one end is provided with the electric seat that connects that is used for being connected with external power supply electricity.

Preferably, the stator winding comprises a plurality of stator teeth arranged on the inner wall of the motor shell and arrayed along the circumference of the transmission shaft, and the first inner air guide channel comprises gaps among the plurality of stator teeth and gaps between the stator winding and the rotor.

The utility model has the beneficial effects that: when the air flow control device is used, the end cover is divided into the mounting part and the air guide part, the fan blades are radially assembled on the periphery of the mounting part, so that the air flow of the impeller can be increased, and the air guide part is tapered, so that the wind resistance can be reduced, and the size of the impeller is not required to be increased.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

fig. 1 is a schematic diagram of an overall axial view of a fan for a high-speed motor according to a preferred embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an impeller of a high-speed motor fan according to a preferred embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating a fan of a high-speed motor according to a preferred embodiment of the utility model.

Fig. 4 is another exploded view of a fan for a high-speed motor according to a preferred embodiment of the present utility model.

Fig. 5 is an overall exploded view of a high-speed motor fan according to a preferred embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a motor housing of a high-speed motor fan according to a preferred embodiment of the present utility model.

Fig. 7 is a schematic overall cross-sectional view of a high-speed motor fan according to a preferred embodiment of the present utility model.

The reference numerals are: 1. a motor housing; 2. an air outlet; 3. an air inlet; 4. a first inner air duct; 5. a stator winding; 501. stator teeth; 6. a rotor; 7. a first shaft hole; 8. a transmission shaft; 9. an impeller; 901. an end cap; 902. a fan blade; 911. a mounting part; 921. an air guide part; 10. a second shaft hole; 111. an air guide inner shell; 112. an air guide connecting block; 113. a second inner air duct; 114. mounting through holes; 116. an air guiding shell; 117. an air deflector; 118. an outer air guide channel; 125. a first bearing; 135. a second bearing; 12. an elastic member; 13. a receiving groove; 14. the first avoidance step; 15. a second avoidance step; 16. a conductive mounting base; 17. an opening; 18. and a power receiving seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.

In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As shown in fig. 1 to 7, a high-speed motor fan according to a preferred embodiment of the present utility model includes an impeller 9, the impeller 9 includes an end cap 901 and blades 902, the end cover 901 comprises an installation part 911 and an air guide part 921, wherein the fan blades 902 are radially arranged on the periphery side of the installation part 911, and the air guide part 921 is conical; further, by dividing the end cover 901 into the mounting portion 911 and the air guide portion 921, the fan blades are radially mounted on the circumferential side of the mounting portion, so that the air volume of the impeller can be increased, and the air guide portion 921 is tapered, so that the air resistance can be reduced, and the air volume of the impeller 9 can be increased.

The embodiment of the utility model is shown in fig. 3-7, and further comprises a motor shell 1, wherein an air outlet 2 and an air inlet 3 are respectively arranged at the bottom and the top of the motor shell 1, a first inner air guide channel 4 is arranged between the air inlet 3 and the air outlet 2, a stator winding 5 is arranged in the motor shell 1, a rotor 6 is arranged at the center of the stator winding 5, a first shaft hole 7 is formed in the middle of the rotor 6, and a transmission shaft 8 is fixedly connected in the first shaft hole 7; further, when the motor is started, the impeller rotates to generate wind pressure, air flows into the air inlet rapidly, and air flows out of the air outlet after flowing through the first inner air guide channel.

As shown in fig. 3-7, the wind guiding part is arranged at one side of the mounting part 911 far away from the motor housing 1, the middle of the wind guiding part 921 is provided with a second shaft hole 10, one end of the transmission shaft 8 is fixedly connected with the first shaft hole 7, and the other end of the transmission shaft 8 is fixedly connected with the second shaft hole 10; further, the fixed connection described in the present specification includes a glue attachment and an interference connection.

As shown in fig. 3-4, an air guiding inner shell 111 extending towards the direction of an impeller 9 is arranged on the outer side wall of a motor shell 1, an air guiding connecting block 112 is arranged between the motor shell 1 and the impeller 9, the air guiding connecting block 112 and the air guiding inner shell 111 are integrally formed, a second inner air guiding channel 113 is arranged between the air guiding connecting block 112 and the air guiding inner shell 111, and the first inner air guiding channel 4 is communicated with the second inner air guiding channel 113; when the air conditioner is used, the motor is started, the rotor drives the impeller to rotate, the first inner air guide channel 4 is connected with the second inner air guide channel 113, so that air flowing into the air inlet 3 is increased, after the air rapidly flows into the air inlet 3, the air passes through the first inner air guide channel 4, flows into the second inner air guide channel 113 from the air outlet 2, and then flows into the impeller 9 from the second inner air guide channel 113, so that the purpose of increasing air quantity is achieved, specifically, the first inner air guide channel 4 can enable the air to flow into the motor to take away heat in the motor, and the second inner air guide channel 113 can be provided with a plurality of air quantity so as to achieve the purpose of increasing the air quantity. Further, by providing a plurality of outer air guiding channels 118 between the air guiding inner casing 111 and the air guiding outer casing 116, the air quantity entering the first inner air guiding duct 4 can be increased, so that the cooling efficiency of the motor is increased.

1-7, a first bearing 125 is arranged at the inlet of the mounting through hole 114, a second bearing 135 is arranged at the outlet of the mounting through hole, an elastic piece 12 is arranged between the first bearing 125 and the second bearing 135, the center of the wind guide connecting block 112 is provided with the mounting through hole 114, a transmission shaft 8 penetrates from the inlet of the mounting through hole 114 and penetrates out of the outlet of the mounting through hole 114, and the transmission shaft is fixedly connected with the first bearing and the second bearing; further, the outer ring of the first bearing 125 is fixedly installed at the inlet of the installation through hole 114, the inner ring of the first bearing 125 is fixedly connected with the transmission shaft 8, the outer ring of the second bearing 135 is fixedly installed at the outlet of the installation through hole 114, and the inner ring of the second bearing 135 is fixedly connected with the transmission shaft 8; in particular, the elastic member 12 may be a spring.

As shown in fig. 2, 4 and 7, an air guiding outer shell 116 is sleeved outside an air guiding inner shell 111, the air guiding inner shell 111 is connected with the air guiding outer shell 116 through an air guiding plate 117, and a plurality of outer air guiding channels 118 are arranged between the air guiding inner shell 111 and the air guiding outer shell 116; further, wind pressure can be increased by arranging the air guiding outer shell, and the air quantity entering the first inner air guiding channel 4 can be increased by arranging a plurality of outer air guiding channels 118 between the air guiding inner shell 111 and the air guiding outer shell 116, so that the cooling efficiency of the motor is increased.

In the embodiment of the utility model, as shown in fig. 1-7, the bottom of the mounting portion 911 is provided with the accommodating groove 13, the top of the air guiding connection block 112 is arranged in the accommodating groove 13, the top of the air guiding connection block 112 is provided with the first avoiding step 14, the inner wall of one end of the air guiding housing 116, which is close to the impeller 9, is provided with the second avoiding step 15 for preventing the fan blade 902 from colliding with the air guiding housing 116, the top of the air guiding connection block 112 can be arranged in the accommodating groove 13 by arranging the first avoiding step 14, so that the connection block and the end cover 901 can be assembled more compactly, and the fan blade 902 can be arranged in the air guiding housing 116 by arranging the second avoiding step 15, thereby preventing the fan blade 902 from damaging a user while preventing the fan blade 902 from colliding with the air guiding housing 116.

In the embodiment of the present utility model, as shown in fig. 1 to 7, the length of the fan blade 902 is greater than the width of the outer air guiding channel 118, so that the air quantity air guiding plate 117 is arc-shaped as much as possible when the fan blade 902 is arranged in the air guiding shell 116; further, a plurality of second inner air guide channels 113 are arranged along the circumferential array of the transmission shaft 8 so as to increase the air quantity of the air guide.

As shown in fig. 1 and fig. 4-7, the top of the motor housing 1 is provided with a conductive mounting seat 16, the side wall of the conductive mounting seat 16 is provided with a plurality of openings 17, and one end of the conductive mounting seat 16 far away from the motor housing 1 is provided with a power receiving seat 18 for electrically connecting with an external power supply; further, the power receiving seat 18 may be a power socket, and the power socket is electrically connected with an external power supply, so that the motor stator winding 5 is electrified to drive the motor rotor 6 to rotate, and the rotor 6 drives the impeller 9 to rotate through the transmission shaft 8.

As shown in fig. 3-4, the stator winding 5 comprises a plurality of stator teeth 501 arranged on the inner wall of the motor housing 1 and arrayed along the circumference of the transmission shaft 8, and the first inner air guide channel comprises gaps between the plurality of stator teeth 501 and gaps between the stator winding 5 and the rotor 6; further, when the impeller 9 rotates, the air flowing into the first inner air guide duct can take away heat of the stator winding 5 and the rotor 6.

It will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims

1. A high-speed motor fan, the high-speed motor fan includes impeller (9), impeller (9) include end cover (901) and flabellum (902), its characterized in that, end cover (901) are including installation department (911) and wind-guiding portion (921), flabellum (902) are radial setting in installation department (911) week side, wind-guiding portion (921) are the toper.

2. The high-speed motor fan according to claim 1, further comprising a motor housing (1), wherein an air outlet (2) and an air inlet (3) are respectively arranged at the bottom and the top of the motor housing (1), a first inner air guide duct (4) is arranged between the air inlet (3) and the air outlet (2), a stator winding (5) is arranged in the motor housing (1), a rotor (6) is arranged at the central position of the stator winding (5), a first shaft hole (7) is formed in the middle of the rotor (6), and a transmission shaft (8) is fixedly connected in the first shaft hole (7).

3. The high-speed motor fan according to claim 2, wherein the air guiding part is arranged on one side of the mounting part (911) away from the motor housing (1), a second shaft hole (10) is formed in the middle of the air guiding part (921), one end of the transmission shaft (8) is fixedly connected with the first shaft hole (7), and the other end of the transmission shaft (8) is fixedly connected with the second shaft hole (10).

4. A high-speed motor fan according to claim 3, characterized in that an air guiding inner casing (111) extending towards the direction of the impeller (9) is arranged on the outer side wall of the motor casing (1), an air guiding connecting block (112) is arranged between the motor casing (1) and the impeller (9), the air guiding connecting block (112) and the air guiding inner casing (111) are integrally formed, a second inner air guiding duct (113) is arranged between the air guiding connecting block (112) and the air guiding inner casing (111), and the first inner air guiding duct (4) and the second inner air guiding duct (113) are communicated.

5. The high-speed motor fan according to claim 4, wherein a first bearing (125) is arranged at the inlet of the mounting through hole (114), a second bearing (135) is arranged at the outlet of the mounting through hole, an elastic piece (12) is arranged between the first bearing (125) and the second bearing (135), the center of the air guide connecting block (112) is provided with the mounting through hole (114), the transmission shaft (8) penetrates from the inlet of the mounting through hole (114) to the outlet of the mounting through hole (114) and is fixedly connected with the first bearing and the second bearing.

6. The high-speed motor fan according to claim 4, wherein an air guiding outer shell (116) is sleeved on the outer side of the air guiding inner shell (111), the air guiding inner shell (111) is connected with the air guiding outer shell (116) through an air guiding plate (117), and a plurality of outer air guiding channels (118) are arranged between the air guiding inner shell (111) and the air guiding outer shell (116).

7. The high-speed motor fan according to claim 6, wherein an accommodating groove (13) is formed in the bottom of the mounting portion (911), the top of the air guiding connection block (112) is arranged in the accommodating groove (13), a first avoiding step (14) is formed in the top of the air guiding connection block (112), and a second avoiding step (15) for preventing the fan blade (902) from colliding with the air guiding housing (116) is formed in the inner wall of one end of the air guiding housing (116) close to the impeller (9).

8. The high speed motor fan according to claim 7, wherein the length of the blades (902) is greater than the width of the outer air guide channel (118), and the air guide plate (117) is arc-shaped.

9. A high-speed motor fan according to claim 2, characterized in that the top of the motor housing (1) is provided with a conductive mounting seat (16), the side wall of the conductive mounting seat (16) is provided with a plurality of openings (17), and one end of the conductive mounting seat (16) far away from the motor housing (1) is provided with a power receiving seat (18) for being electrically connected with an external power supply.

10. A high speed motor fan according to claim 3, characterized in that the stator winding (5) comprises a plurality of stator teeth (501) arranged on the inner wall of the motor housing (1) and arrayed circumferentially along the drive shaft (8), the first inner air duct comprising gaps between the plurality of stator teeth (501) and between the stator winding (5) and the rotor (6).