CN216981654U

CN216981654U - Single-phase motor of small volume design

Info

Publication number: CN216981654U
Application number: CN202121412242.3U
Authority: CN
Inventors: 邓勇; 邓晓风; 梁培平; 梁勉
Original assignee: Zhaoqing Fuwei Motor Co ltd
Current assignee: Zhaoqing Fuwei Motor Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-07-15
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to the technical field of single-phase motors, and discloses a small-volume designed single-phase motor which comprises a motor body, wherein the motor body is connected with a power supply, the motor body comprises a front cover which is directly connected to a machine, a rear cover is arranged on the other side of the front cover, the front cover is connected with the rear cover, a shell is sleeved on the outer sides of the front cover and the rear cover together, a stator core is arranged between the front cover and the rear cover, two ends of the stator core respectively extend into the front cover and the rear cover, two ends of the stator core are connected with the front cover and the rear cover, a rotating blank is arranged in the stator core, bearings are arranged in the front cover and the rear cover, two ends of the rotating blank penetrate through the two bearings and extend outwards, the rotating blank is connected with the inner ring walls of the two bearings, and the rear end of the rotating blank is connected with a fan blade. The utility model is beautiful, portable and small in occupied space, and meets the use requirements of occasions such as restaurants, hotels, families and the like.

Description

Single-phase motor of small volume design

Technical Field

The utility model relates to the technical field of single-phase motors, in particular to a small-volume single-phase motor.

Background

The single-phase motor is an asynchronous motor which is powered by a 220V alternating current single-phase power supply to operate. Because the 220V power supply is very convenient and economic, and the household life power consumption is 220V, the single-phase motor not only has large production consumption, but also is closely related to the daily life of people. But the single-phase motor used in the occasions such as restaurants, hotels, families and the like has strict requirements on the volume of the motor, and the current motor has overlarge volume and cannot meet the use requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the single-phase motor used in occasions such as restaurants, hotels, families and the like in the prior art has strict requirements on the volume of the motor, and the volume of the motor is overlarge so as not to meet the use requirements.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a single-phase motor of little volume design, includes motor body, motor body is connected with the power, motor body is including being used for the protecgulum of lug connection on the machine, the opposite side of protecgulum is equipped with the back lid, the protecgulum is connected with the back lid, the common cover in the outside of protecgulum and back lid is equipped with the casing, be equipped with stator core between protecgulum and the back lid, stator core's both ends extend to in protecgulum and the back lid respectively, stator core's both ends are connected with the protecgulum and the back lid, be equipped with the commentaries on classics base in the stator core, all install the bearing in protecgulum and the back lid, the both ends of changeing the base are passed two bearings and are outwards extended, and change the base and be connected with the inner circle wall of two bearings, the rear end of changeing the base is connected with the fan blade.

Preferably, a centrifugal switch bottom plate is connected in the rear cover, and a centrifugal switch shuttle is fixedly sleeved on the blank wall of the rotating blank corresponding to the position of the centrifugal switch bottom plate.

Preferably, the power is external binary capacitor setting, the casing adopts steel sheet welding design, and the even equidistance of casing surface has seted up a plurality of and has punched a hole, install the dust screen in the pore wall that punches a hole.

Preferably, a power-off protection module is installed in the casing, and a thermal protector is also installed in the casing.

Preferably, the front cover and the rear cover are tightly connected with the corresponding bearings.

Preferably, the front cover and the rear cover are connected by screws.

Compared with the prior art, the utility model provides a single-phase motor with small volume design, which has the following beneficial effects:

the single-phase motor with small volume design adopts the motor design of a double-value capacitor so as to increase the design power and the maximum load of the motor under the specified volume; the motor adopts a steel plate welding shell design to reduce the overall dimension of the motor; holes are densely formed in the shell in a punching mode so as to increase the heat dissipation effect of the shell; holes are densely formed in the shell in a punching mode so as to increase the heat dissipation effect of the shell; the fan cover is removed to reduce the size of the motor, and a large-size fan blade is reversely arranged to increase the heat dissipation efficiency; the internal connection heat protector, when the overload leads to the condition of generating heat, can in time shut down, prevent the emergence of dangerous condition such as burning out or catching fire.

The parts of the device which are not related to the device are the same as or can be realized by adopting the prior art, and the device is beautiful, portable and small in occupied space, and meets the use requirements of occasions such as restaurants, hotels, families and the like.

Drawings

Fig. 1 is a schematic structural diagram of a single-phase motor with a small volume design according to the present invention.

In the figure: 1. a front cover; 2. a rear cover; 3. a housing; 4. a stator core; 5. transferring a blank; 6. a screw; 7. a bearing; 8. a fan blade; 9. a centrifugal switch base plate; 10. a centrifugal switch shuttle; 11. a power-off protection module; 12. a thermal protector.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, a single-phase motor with small volume design, comprising a motor body, the motor body uses special motor data, so that the motor achieves the effects of low electromagnetic noise and low vibration, has smaller volume than other motors with the same power and is suitable for use environment with limited space, the motor body is connected with a power supply, the power supply is externally connected with a double-value capacitor, the starting force and the load force are strong, the motor can stably run under special high load conditions such as high gluten flour or too little water, the motor body comprises a front cover 1 which is directly connected on the motor, the occupied space of a transmission structure is reduced, the other side of the front cover 1 is provided with a rear cover 2, the front cover 1 is connected with the rear cover 2, the outer sides of the front cover 1 and the rear cover 2 are commonly sleeved with a casing 3, a stator core 4 is arranged between the front cover 1 and the rear cover 2, two ends of the stator core 4 respectively extend into the front cover 1 and the rear cover 2, the two ends of the stator core 4 are connected with the front cover 1 and the rear cover 2, a rotating blank 5 is arranged in the stator core 4, bearings 7 are arranged in the front cover 1 and the rear cover 2, the two ends of the rotating blank 5 penetrate through the two bearings 7 and extend outwards, the rotating blank 5 is connected with the inner ring walls of the two bearings 7, and the rear end of the rotating blank 5 is connected with a fan blade 8.

A centrifugal switch bottom plate 9 is connected in the rear cover 2, and a centrifugal switch flying shuttle 10 is fixedly sleeved on the blank wall of the rotary blank 5 corresponding to the position of the centrifugal switch bottom plate 9.

The casing 3 adopts the steel sheet welding design, can design different length, and the power according to customer's demand is different, can design the motor of many kinds with the same series with mounting structure, and the even equidistance of casing 3 surface has seted up a plurality of and has punched a hole, installs the dust screen in the pore wall that punches a hole, and ventilation effect is good, and the motor temperature rise is very low for motor stable quality, longe-lived, reduces after-sale cost, promotes quality public praise.

Install power-off protection module 11 in the casing 3, contain the power-off protection function, the security is high, is applicable to indoor environment such as family or small-size dining room, still installs hot protector 12 in the casing 3, when the overload appears and leads to the condition of generating heat, can in time shut down, prevents to burn out or the emergence of dangerous condition such as catching fire.

The front cover 1 and the rear cover 2 are tightly connected with the corresponding bearings 7, and the jumping of each level of mounting plane is guaranteed to be less than 5C, so that the phenomena of water seepage from gaps and noise caused by gap vibration are prevented.

The front cover 1 is connected with the rear cover 2 by screws 6.

According to the utility model, the motor body uses special motor data, so that the motor achieves the effects of low electromagnetic noise and low vibration, has smaller volume than other motors with the same power, is suitable for a use environment with limited space, adopts an external double-value capacitor as a power supply, has strong starting force and load force, and can stably run under special high-load conditions of high-gluten flour, too little water and the like; the front cover 1 is directly connected to the machine, so that the occupied space of a transmission structure is reduced; the casing 3 is designed by welding steel plates, can be designed to have different lengths, and can be designed to be a plurality of motors with the same series and the same mounting structure according to different power requirements of customers; the ventilation effect is good, the temperature rise of the motor is very low, the quality of the motor is stable, the service life is long, the after-sale cost is reduced, and the quality public praise is improved; the front cover 1 and the rear cover 2 are tightly connected with the corresponding bearings 7, and the jumping of each level of mounting plane is guaranteed to be less than 5C, so that the phenomena of water seepage from gaps and noise caused by gap vibration are prevented.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The single-phase motor with small volume design is characterized by comprising a motor body, wherein the motor body is connected with a power supply, the motor body comprises a front cover (1) which is directly connected onto a machine, a rear cover (2) is arranged on the other side of the front cover (1), the front cover (1) is connected with the rear cover (2), a casing (3) is sleeved on the outer sides of the front cover (1) and the rear cover (2) together, a stator core (4) is arranged between the front cover (1) and the rear cover (2), two ends of the stator core (4) respectively extend into the front cover (1) and the rear cover (2), two ends of the stator core (4) are connected with the front cover (1) and the rear cover (2), a rotary blank (5) is arranged in the stator core (4), bearings (7) are arranged in the front cover (1) and the rear cover (2), two ends of the rotary blank (5) penetrate through the two bearings (7) and extend outwards, and the rotating blank (5) is connected with the inner ring walls of the two bearings (7), and the rear end of the rotating blank (5) is connected with a fan blade (8).

2. The single-phase motor with small volume design according to claim 1, characterized in that a centrifugal switch bottom plate (9) is connected in the rear cover (2), and a centrifugal switch shuttle (10) is fixedly sleeved on the blank wall of the rotating blank (5) corresponding to the position of the centrifugal switch bottom plate (9).

3. The single-phase motor with small volume design according to claim 1, wherein the power supply is an external double-value capacitor, the housing (3) is designed by welding steel plates, a plurality of punched holes are uniformly arranged on the surface of the housing (3) at equal intervals, and a dust screen is arranged in the wall of each punched hole.

4. The single-phase motor of small volume design according to claim 1, characterized in that a power failure protection module (11) is installed in the casing (3), and a thermal protector (12) is also installed in the casing (3).

5. A single-phase electric machine of small volume design according to claim 3, characterized in that the front cover (1) and the rear cover (2) are tightly connected with the corresponding bearings (7).

6. A single phase electric motor of small volume design according to claim 1, characterized in that the front cover (1) and the rear cover (2) are connected by means of screws (6).