CN112600335A

CN112600335A - Small-sized motor for household fan

Info

Publication number: CN112600335A
Application number: CN202011280942.1A
Authority: CN
Inventors: 张磊; 张伟
Original assignee: Supersonic Intelligent Technology Hangzhou Co ltd
Current assignee: Supersonic Intelligent Technology Hangzhou Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-04-02

Abstract

The invention discloses a small-sized motor for a household fan, which comprises: casing and pivot: the casing comprises first casing and second casing, and wherein, the open end of first casing is equipped with the assembly groove, and the open end of second casing is provided with the assembly pole with assembly groove be assembled between/be connected between, the inside of first casing and second casing all is equipped with annular retaining hole, and the both ends in retaining hole are provided with inlet tube and the outlet pipe that extends to the casing outside respectively, the inner wall of casing is provided with the stator, and the inner wall rotation of stator is connected with the rotor, the pivot is located and runs through the outside that extends to the casing behind the bearing in the rotor. According to the small motor, the operation of dividing the shell into two parts can be realized, the maintenance or replacement operation of damaged parts in the motor is convenient, the heat dissipation rate of the motor is accelerated, the running temperature of the motor is effectively reduced, and the running stability of the small motor is improved.

Description

Small-sized motor for household fan

Technical Field

The invention relates to the technical field of motors, in particular to a small motor for a household fan.

Background

An electric fan, also called fan or fanner, is a household electrical appliance that uses a motor to drive blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air.

However, the casing of the small motor of the existing household fan is relatively integrated, when the internal parts of the motor need to be maintained or replaced, the motor needs to be integrally disassembled to realize the maintenance and replacement of the related parts, the maintenance workload is increased, and the heat generated by the motor operation is low in efficiency only depending on the heat dissipation mode of the fan of the motor, so that the heat in the motor can not realize the heat dissipation effect with high efficiency, and the small motor of the household fan is not beneficial to the long-time safe and stable operation.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a small motor for a household fan, which adopts a split motor shell, is convenient to disassemble and maintain, and accelerates the heat dissipation rate of the motor in a water cooling mode.

In order to achieve the purpose, the invention adopts the following technical scheme: a small-sized motor for a home fan, comprising: casing and pivot:

the shell consists of a first shell and a second shell, wherein the open end of the first shell is provided with an assembling groove, and the open end of the second shell is provided with an assembling rod which is assembled and connected with the assembling groove;

annular water storage holes are formed in the first shell and the second shell, and a water inlet pipe and a water outlet pipe extending out of the shells are arranged at two ends of each water storage hole respectively;

the inner wall of casing is provided with the stator, and the inner wall of stator rotates and is connected with the rotor, the pivot is located and runs through the outside that extends to the casing behind the bearing in the rotor.

As a further description of the above technical solution:

the quantity that holds the water hole is a plurality of, a plurality of it distributes to hold to be equidistance structure between the water hole, a plurality of the both ends opening that holds the water hole is equallyd divide and is do not communicate with inlet tube and outlet pipe.

As a further description of the above technical solution:

the device also comprises a fastener;

the fastener includes a connecting plate, and the both ends of connecting plate all run through and be connected with the fastening pin, two fastening pins respectively with the fastening groove on first casing and the second casing be connected.

As a further description of the above technical solution:

the equal a plurality of inner wall of first casing and second casing is equipped with the drainage groove, and a plurality of drainage groove is hopper-shaped structure.

As a further description of the above technical solution:

the stator comprises a stator core embedded in the inner wall of the shell, and a stator winding is wound on the stator core.

As a further description of the above technical solution:

the rotor comprises a rotor core embedded in the inner wall of the stator, and a rotor winding is wound on the rotor core.

As a further description of the above technical solution:

one end of the shell is provided with a hollowed-out rear end cover, the other end of the shell is provided with a front end cover, and the front end cover is provided with a screw hole.

The invention provides a small motor for a household fan. The method has the following beneficial effects:

(1): this small-size motor adopts split type motor casing structure, can realize the operation effect that motor casing is divided into two, conveniently maintains and changes the operation to the inside spare part of motor, need not to wholly dismantle the motor from the fan get off to the dismouting maintenance flexibility of motor has been improved.

(2): this small-size motor is through the hole that holds that sets up, the structure of cooperation inlet tube and outlet pipe can be with the leading-in cooling liquid that the circulation flows in the hole that holds to play water-cooling radiating effect to the heat that the motor operation produced, accelerated the thermal scattered and disappearing speed of motor operation, reduced the operating temperature of motor.

Drawings

Fig. 1 is a schematic view of the overall structure of a small motor for a household fan according to the present invention;

FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;

FIG. 3 is an exploded view of the housing of the present invention;

FIG. 4 is a cross-sectional view of the housing of the present invention;

fig. 5 is a schematic view of the structure of the fastener of the present invention.

Illustration of the drawings:

1. a rear end cap; 2. a housing; 21. a first housing; 211. assembling a groove; 22. a second housing; 221. assembling a rod; 23. a water inlet pipe; 24. a fastening groove; 25. a water outlet pipe; 26. a water storage hole; 27. a drainage groove; 3. a front end cover; 4. a screw hole; 5. a rotating shaft; 6. a fastener; 61. a connecting plate; 62. a fastening pin; 7. a stator; 71. a stator core; 72. a stator winding; 8. a rotor; 81. a rotor core; 82. a rotor winding; 9. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1 to 4, a small-sized motor for a home fan includes: housing 2 and shaft 5:

the housing 2 is composed of a first housing 21 and a second housing 22, wherein the open end of the first housing 21 is provided with an assembling groove 211, the open end of the second housing 22 is provided with an assembling rod 221 which is assembled and connected with the assembling groove 211, and the first housing 21 and the second housing 22 can be assembled and connected;

annular water storage holes 26 are formed in the first shell 21 and the second shell 22, a water inlet pipe 23 and a water outlet pipe 25 extending out of the shell 2 are arranged at two ends of each water storage hole 26 respectively, sealing plugs are embedded in the water inlet pipe 23 and the water outlet pipe 25, and the sealing and circulating flow effects of cooling liquid in the water storage holes 26 are achieved;

the inner wall of casing 2 is provided with stator 7, and the inner wall of stator 7 rotates and is connected with rotor 8, and pivot 5 runs through behind the bearing 9 and extends to the outside of casing 2 in being located rotor 8.

In this embodiment, when the inside spare part of motor damages and needs maintenance or change, first casing 21 is pulled down to the outside, make assembly groove 211 on first casing 21 withdraw from in the assembly pole 221 on the second casing 22, can realize the convenient quick dismouting operation to the small-size motor, conveniently maintain or change the processing to the inside spare part of small-size motor, add cooling liquid in to retaining hole 26 through inlet tube 23, make the cooling liquid absorb the heat that the small-size motor operation produced, play high-efficient radiating effect to the small-size motor, thereby ensure the operation that the small-size motor can be stable for a long time.

As shown in fig. 4, the quantity of the water storage holes 26 is a plurality of, and the equidistant structure distribution is formed between the water storage holes 26, and the openings at the two ends of the water storage holes 26 are communicated with the water inlet pipe 23 and the water outlet pipe 25 respectively, so that the contact area of the water storage holes 26 and the heat in the shell 2 can be increased by using the structure of the water storage holes 26, thereby increasing the absorption rate of the cooling liquid to the heat and increasing the heat dissipation efficiency of the small motor.

As shown in fig. 1 and 5, the portable electronic device further comprises a fastening member 6, wherein the fastening member 6 comprises a connecting plate 61, fastening pins 62 are respectively connected to two ends of the connecting plate 61 in a penetrating manner, and the two fastening pins 62 are respectively connected with the fastening slots 24 on the first shell 21 and the second shell 22;

when first housing 21 and second housing 22 are assembled, two fastening pins 62 are inserted into fastening grooves 24 of first housing 21 and second housing 22 through connecting plate 61, so as to reinforce housing 2 as a whole and prevent first housing 21 and second housing 22 from falling off.

As shown in fig. 4, a plurality of drainage grooves 27 are formed in the inner walls of the first casing 21 and the second casing 22, and each drainage groove 27 is of a funnel-shaped structure, the inner diameter of the opening of one side of the drainage groove 27, which is close to the water storage hole 26, is smaller than the inner diameter of the opening of the other side, so that the area of the channel in the drainage groove 27 for heat to enter the drainage groove 27 can be increased, and heat generated in the casing 2 can enter the drainage groove 27 more.

As shown in fig. 2, the stator 7 includes a stator core 71 embedded in the inner wall of the housing 2, and the stator core 71 is wound with a stator winding 72, the stator core 71 is composed of a segment, a ventilation slot, a positioning rib, upper and lower tooth pressing plates, a tightening bolt, a supporting plate and other parts, the stator core 71 is formed by punching a silicon steel sheet into a segment and overlapping the segment on the positioning rib, the positioning rib is welded on the base ring plate through the supporting plate, and the core is pressed into a whole by the tightening bolt through the upper and lower tooth pressing plates, and the stator winding 72 is wound on the stator core 71 to form a complete electromagnetic path.

As shown in fig. 2, the rotor 8 includes a rotor core 81 embedded in the inner wall of the stator 7, and a rotor winding 82 is wound on the rotor core 81, so that the rotor 8 rotates in the stator 7, and converts the electric energy into mechanical energy to drive the rotating shaft 5 to rotate, thereby driving the blades of the fan to rotate to generate wind power.

As shown in fig. 1, one end of the housing 2 is provided with a hollow rear end cover 1, the other end is provided with a front end cover 3, the front end cover 3 is provided with a screw hole 4, the rear end cover 1 is of a hollow structure and is used for assisting in heat dissipation treatment of the small motor, and the front end cover 3 is connected with a mounting mechanism of the fan after penetrating through the screw hole 4 through a bolt, so that the small motor is mounted on the fan.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A small-sized motor for a home fan, comprising: casing (2) and pivot (5), its characterized in that:

the shell (2) consists of a first shell (21) and a second shell (22), wherein an opening end of the first shell (21) is provided with an assembling groove (211), and an opening end of the second shell (22) is provided with an assembling rod (221) which is assembled and connected with the assembling groove (211);

annular water storage holes (26) are formed in the first shell (21) and the second shell (22), and a water inlet pipe (23) and a water outlet pipe (25) extending out of the shell (2) are respectively arranged at two ends of each water storage hole (26);

the inner wall of casing (2) is provided with stator (7), and the inner wall of stator (7) rotates and is connected with rotor (8), pivot (5) are located and run through the outside that extends to casing (2) behind bearing (9) in rotor (8).

2. A small-sized motor for a home fan according to claim 1, wherein: the quantity that holds water hole (26) is a plurality of, a plurality of it distributes to hold to be equidistance structure between water hole (26), a plurality of the both ends opening that holds water hole (26) is equallyd divide and is do not communicate with inlet tube (23) and outlet pipe (25).

3. A small-sized motor for a home fan according to claim 1, wherein: also comprises a fastener (6);

the fastener (6) comprises a connecting plate (61), two ends of the connecting plate (61) are respectively connected with a fastening pin (62) in a penetrating manner, and the two fastening pins (62) are respectively connected with fastening grooves (24) on the first shell (21) and the second shell (22).

4. A small-sized motor for a home fan according to claim 1, wherein: the equal a plurality of inner wall of first casing (21) and second casing (22) is equipped with drainage groove (27), and a plurality of drainage groove (27) are hopper-shaped structure.

5. A small-sized motor for a home fan according to claim 1, wherein: the stator (7) comprises a stator core (71) embedded in the inner wall of the shell (2), and a stator winding (72) is wound on the stator core (71).

6. A small-sized motor for a home fan according to claim 1, wherein: the rotor (8) comprises a rotor core (81) embedded in the inner wall of the stator (7), and a rotor winding (82) is wound on the rotor core (81).

7. A small-sized motor for a home fan according to claim 1, wherein: one end of the shell (2) is provided with a hollowed-out rear end cover (1), the other end of the shell is provided with a front end cover (3), and the front end cover (3) is provided with a screw hole (4).