CN215498528U

CN215498528U - High-efficiency low-loss small motor

Info

Publication number: CN215498528U
Application number: CN202121834912.0U
Authority: CN
Inventors: 于永航; 李源; 刘佳庆
Original assignee: DALIAN YULIN ELECTRIC MOTOR CO LTD
Current assignee: DALIAN YULIN ELECTRIC MOTOR CO LTD
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-01-11
Anticipated expiration: 2031-08-07

Abstract

The utility model discloses a high-efficiency low-loss small motor which comprises a motor shell, wherein an end cover is fixedly connected to the left end of the motor shell, a square flange is fixedly connected to the outer diameter of the end cover, a plurality of ventilation holes are formed in the left end of the end cover, a rectangular plate is fixedly connected to the bottom end of the motor shell, a plurality of heat dissipation ribs are uniformly and fixedly connected to the outer diameter of the motor shell, a fan cover is fixedly connected to the right end of the motor shell, a tail cover is connected to the right end of the fan cover in a threaded mode, an air inlet hole is formed in the middle of the right end of the tail cover, and a plurality of guide plates are fixedly connected to the outer ring of the left end of the tail cover. In the utility model, the rotating shaft rotates to drive the cooling fan to rotate, air enters from the air inlet hole, a part of air flow is discharged from the air vent of the end cover, the other part of air flow is discharged from the air outlet hole through the guide plate to blow away hot air flow around the cooling rib, and meanwhile, the motor is convenient to carry, disassemble and assemble, thereby being worth of great popularization.

Description

High-efficiency low-loss small motor

Technical Field

The utility model relates to the field of motors, in particular to a small motor with high efficiency and low loss.

Background

The manufacturing is an important link in industrial production in China, and the motor is a power source for promoting industrial manufacturing, so that the energy-saving transformation of the motor has great significance to the energy-saving emission-reduction strategy proposed by the nation, the high-efficiency motor replaces the common conventional motor, the comprehensive technical performance and the protection level can be improved to a certain extent, the efficiency of the motor can be improved by 1-10 percent compared with the efficiency of the common conventional series of similar products, not only can good economic benefit be obtained, but also good social benefit can be obtained, and a plurality of methods for providing the efficiency of the motor are mainly characterized in that better materials are used, the material consumption is increased, advanced processes are used, and the like, so that the cost of the motor can be greatly increased while the efficiency is provided undoubtedly, and the market competitiveness is lost.

Chinese patent document CN208316433U discloses a ventilated low-loss high-efficiency reluctance motor, which is characterized in that: the magnetic-pole motor comprises a shell, an end cover, a crankshaft, a magnetic-pole rotor and a stator; a partition plate is arranged in the machine shell and divides the interior of the machine shell into a fan cavity and a power cavity. The rotor packing of motor has the resin strip to reduce the air resistance, but inclosed rotor generates heat easily under long-time operating condition, there is serious influence to the ageing of winding coil and the life-span of rotor, the helicla flute that this patent was seted up between resin strip and shaft hole, have with the inspiratory effect of air current, spiral helicla hole groove, itself has towed effect to the air current, promote the gas circulation and pass the rotor, play the effect of quick cooling rotor, the cold air current gets into the rotor, transmit away heat energy, but its helicla flute fluting degree of difficulty is big, the technology is complicated, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a small motor with high efficiency and low loss.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient small-size motor that hangs down, includes motor housing, motor housing's left end fixedly connected with end cover, the external diameter fixedly connected with square flange of end cover, the left end of end cover is provided with a plurality of ventilation holes, motor housing's bottom fixedly connected with rectangular plate, the front end and the equal fixedly connected with rack in rear end of rectangular plate, the even a plurality of heat dissipation muscle of fixedly connected with of motor housing's external diameter, motor housing's right-hand member fixedly connected with fan casing, the right-hand member threaded connection of fan casing has the tail-hood, the right-hand member middle part of tail-hood is provided with the fresh air inlet, a plurality of guide plates of fixedly connected with of left end outer loop department of tail-hood.

As a further description of the above technical solution:

and the four corners of the left end of the square flange are provided with mounting holes.

As a further description of the above technical solution:

the bottom end of the rectangular plate is fixedly connected with a handle.

As a further description of the above technical solution:

and the left end of the tail cover is provided with a threaded ring.

As a further description of the above technical solution:

and a filter screen is arranged in the air inlet hole.

As a further description of the above technical solution:

the guide plates and the heat dissipation ribs are arranged in a one-to-one correspondence mode.

As a further description of the above technical solution:

the middle part of the left end of the end cover is provided with a rotating shaft, and the right end of the rotating shaft is fixedly connected with a cooling fan.

As a further description of the above technical solution:

and a plurality of air outlet holes are formed in the left end of the fan cover corresponding to the heat dissipation ribs.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, when the motor works, the rotating shaft rotates to drive the heat dissipation fan to rotate, outside air is sucked from the air inlet hole of the tail cover, one part of air flow directly passes through the interior of the motor and is finally discharged from the air vent of the end cover, the other part of air flow passes through the guide plate and is discharged from the air outlet hole of the fan cover, hot air around the heat dissipation rib can be blown away, the heat dissipation effect of the heat dissipation rib is improved, heat generated by the work of the motor is respectively dissipated from the interior and the exterior, the heat dissipation requirement of the motor under the condition of using relatively few high-quality materials is met, the efficiency of the motor is improved, and the cost is also prevented from being greatly increased.

2. According to the utility model, the placing frame is arranged to facilitate the placement of the motor, the overhead structure of the placing frame is more beneficial to heat dissipation of the motor during working, the motor can be stably fixed by the bolts penetrating through the mounting holes of the square flange, the fan cover and the tail cover are connected through the threads to facilitate the disassembly of the tail cover and the cleaning of the cooling fan and the guide plate, and the fan cover and the tail cover are worth of great popularization.

Drawings

Fig. 1 is a perspective view of a high-efficiency low-loss miniature motor according to the present invention;

fig. 2 is a partial perspective view of a high-efficiency low-loss miniature motor according to the present invention;

fig. 3 is a schematic structural diagram of a tail cover of a high-efficiency low-loss miniature motor according to the present invention;

fig. 4 is a partial structural schematic diagram of a high-efficiency low-loss small-sized motor according to the present invention.

Illustration of the drawings:

1. a motor housing; 2. a fan housing; 3. a rectangular plate; 4. a handle; 5. placing a rack; 6. a vent hole; 7. mounting holes; 8. a square flange; 9. heat dissipation ribs; 10. a heat radiation fan; 11. a baffle; 12. an air inlet hole; 13. filtering with a screen; 14. an air outlet; 15. a rotating shaft; 16. a tail cover; 17. an end cap; 18. a threaded ring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a high-efficiency low-loss small motor comprises a motor shell 1, wherein an end cover 17 is fixedly connected to the left end of the motor shell 1, a square flange 8 is fixedly connected to the outer diameter of the end cover 17, the motor can be stably fixed by bolts penetrating through mounting holes 7 of the square flange 8, a plurality of ventilation holes 6 are formed in the left end of the end cover 17, a rectangular plate 3 is fixedly connected to the bottom end of the motor shell 1, a placing frame 5 is fixedly connected to the front end and the rear end of the rectangular plate 3, the placing frame 5 is arranged to facilitate the placement of the motor, the overhead structure of the placing frame 5 is more beneficial to heat dissipation during the working of the motor, a plurality of heat dissipation ribs 9 are uniformly and fixedly connected to the outer diameter of the motor shell 1, a fan cover 2 is fixedly connected to the right end of the motor shell 1, a tail cover 16 is connected to the right end of the fan cover 2 through threads, and an air inlet hole 12 is formed in the middle part of the right end of the tail cover 16, a plurality of guide plates 11 of left end outer loop department fixedly connected with of tail-hood 16, it rotates to drive radiator fan 10 through pivot 15 and rotates, outside air is inhaled from inlet port 12 of tail-hood 16, some air current directly passes the motor inside and finally discharges from ventilation hole 6 of end cover 17, another part is then through guide plate 11 and discharge from exhaust vent 14 of fan housing 2, can blow away the steam around the muscle 9 that dispels the heat, improve the radiating effect of heat dissipation muscle 9, the heat that motor work produced scatters and disappears from inside and outside respectively, the heat dissipation demand of motor under the condition of using the relative less quality material has been satisfied, thereby motor efficiency's promotion has been realized, the cost has also been avoided simultaneously rising by a wide margin.

The four corners of the left end of the square flange 8 are all provided with mounting holes 7, the motor can be stably fixed by bolts penetrating through the mounting holes 7 of the square flange 8, the bottom end of the rectangular plate 3 is fixedly connected with a handle 4 which is convenient for the motor to carry, the left end of the tail cover 16 is provided with a threaded ring 18, the fan cover 2 and the tail cover 16 are connected by threads to be convenient for the disassembly of the tail cover 16 and the cleaning of the heat dissipation fan 10 and the guide plate 11, the inside of the air inlet hole 12 is provided with a filter screen 13 which prevents impurities in the air from entering the motor, the guide plate 11 and the heat dissipation ribs 9 are arranged in a one-to-one correspondence manner, the heat dissipation efficiency is improved, the middle part of the left end of the end cover 17 is provided with a rotating shaft 15, the right end of the rotating shaft 15 is fixedly connected with the heat dissipation fan 10, the left end of the fan cover 2 is provided with a plurality of air outlet holes 14 corresponding to the heat dissipation ribs 9, and the air flow passes through the guide plate 11 and is discharged from the air outlet holes 14 of the fan cover 2, the hot air around the heat dissipation ribs 9 can be blown away, and the heat dissipation effect of the heat dissipation ribs 9 is improved.

The working principle is as follows: when the motor works, the rotating shaft 15 rotates to drive the heat radiation fan 10 to rotate, outside air is sucked from the air inlet hole 12 of the tail cover 16, one part of air flow directly passes through the inside of the motor and is finally discharged from the air vent 6 of the end cover 17, the other part of air flow passes through the guide plate 11 and is discharged from the air outlet hole 14 of the fan cover 2, hot air around the heat radiation rib 9 can be blown away, the heat radiation effect of the heat radiation rib 9 is improved, heat generated by the work of the motor is respectively dissipated from the inside and the outside, the heat radiation requirement of the motor under the condition of using relatively few high-quality materials is met, the efficiency of the motor is improved, meanwhile, the cost is greatly increased, the placement of the motor can be facilitated by the placement frame 5, the heat dissipation of the motor in the work process is facilitated by the overhead structure of the placement frame 5, the motor can be stably fixed by the bolts passing through the mounting holes 7 of the square flange 8, the fan cover 2 and the tail cover 16 are connected through screw threads, so that the tail cover 16 can be detached conveniently, and the heat radiation fan 10 and the flow guide plate 11 can be cleaned conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A high-efficiency low-loss miniature motor comprises a motor shell (1), and is characterized in that: the left end fixedly connected with end cover (17) of motor housing (1), the external diameter fixedly connected with square flange (8) of end cover (17), the left end of end cover (17) is provided with a plurality of ventilation holes (6), the bottom fixedly connected with rectangular plate (3) of motor housing (1), the front end and the equal fixedly connected with rack (5) in rear end of rectangular plate (3), the even fixedly connected with a plurality of heat dissipation muscle (9) of external diameter of motor housing (1), the right-hand member fixedly connected with fan casing (2) of motor housing (1), the right-hand member threaded connection of fan casing (2) has tail-hood (16), the right-hand member middle part of tail-hood (16) is provided with fresh air inlet (12), a plurality of guide plate (11) of fixedly connected with are located to the left end outer loop of tail-hood (16).

2. A high efficiency low loss miniature motor according to claim 1 wherein: and the four corners of the left end of the square flange (8) are provided with mounting holes (7).

3. A high efficiency low loss miniature motor according to claim 1 wherein: the bottom end of the rectangular plate (3) is fixedly connected with a handle (4).

4. A high efficiency low loss miniature motor according to claim 1 wherein: the left end of the tail cover (16) is provided with a threaded ring (18).

5. A high efficiency low loss miniature motor according to claim 1 wherein: and a filter screen (13) is arranged in the air inlet hole (12).

6. A high efficiency low loss miniature motor according to claim 1 wherein: the guide plates (11) and the heat dissipation ribs (9) are arranged in a one-to-one correspondence mode.

7. A high efficiency low loss miniature motor according to claim 1 wherein: the left end middle part of end cover (17) is provided with pivot (15), the right-hand member fixedly connected with radiator fan (10) of pivot (15).

8. A high efficiency low loss miniature motor according to claim 1 wherein: and a plurality of air outlet holes (14) are formed in the left end of the fan cover (2) corresponding to the positions of the heat dissipation ribs (9).