CN211127388U - Motor with dustproof function - Google Patents

Abstract

The utility model relates to the technical field of motors, and discloses a motor with dust-proof function, comprising a casing and a plurality of groups of heat sinks, the bottom inner wall of the casing is fixedly connected with the bottom of a rotor seat, and the inner wall of the rotor seat is connected to the rotor. The outer surface of the rotating shaft is rotatably connected, the middle part of the rotor is fixedly connected with the middle part of the outer surface of the rotating shaft, the front side of the outer surface of the rotating shaft is clamped with the middle part of the bearing, and the outer surface of the bearing is respectively fixed with one end of multiple sets of fixing rods connect. The motor with dust-proof function, through the cooperation of the dust-removing motor, the connecting shaft, the fan blade and the dust-removing hole, makes it difficult for the heat sinks on the left and right sides of the housing to generate dust accumulation, which improves the dust-removing effect and heat-dissipating effect of the motor. The cooperation of the conical tube and the heat dissipation hole, and the installation of multiple sets of heat dissipation fans at the rear end of the rotating shaft, make the rear side of the casing less prone to dust accumulation, and speed up the circulation of the air flow inside the motor, improving the heat dissipation effect of the motor.

Description

A motor with dustproof function

technical field

The utility model relates to the technical field of motors, in particular to a motor with a dustproof function.

Background technique

Motor refers to an electromagnetic device that realizes the conversion or transmission of electrical energy according to the law of electromagnetic induction. Its main function is to generate driving torque as a power source for electrical appliances or various machinery. However, heat sinks are generally installed on the outer side walls of the existing motors to dissipate heat, and the heat sinks are exposed in the air. After long-term use, dust will accumulate between the heat sinks, which is difficult to clean.

Chinese Patent Bulletin No. CN209516785U proposes a dust-proof motor, including a casing, an end cover and a rotor. An end cover is installed on the left side wall of the casing, a ground wire is installed at the bottom of the end cover, and all four corners of the bottom of the casing are installed There are pillars, feet are installed at the bottom of the pillars, reinforcement ribs are installed at the bottom four corners of the casing, and the reinforcement ribs are located on the outside of the feet, the bottom of the reinforcement ribs is fixedly connected with the top of the feet, and the inner cavity sidewall of the casing is installed with a stator The inner cavity of the stator is installed with a rotor, the left end of the rotor is installed with a fan, the outer side wall of the rotor is sleeved with a bearing, the right end of the rotor penetrates the right side wall of the casing, and the outer side wall of the casing is provided with a cavity, through the cavity and the fan The cover is connected to accelerate the heat flow in the cavity to the outside, strengthen the external heat dissipation capacity of the casing, and at the same time can effectively prevent dust from the casing and prevent dust from accumulating between the heat sinks. However, the fan in the dust-proof motor can only remove dust from the rear side of the motor, but the heat sinks on the side walls of the motor are still easy to collect dust.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a motor with a dust-proof function, which solves the problem that the existing motor will accumulate dust between the radiating fins after long-term use, which is difficult to clean.

(2) Technical solutions

In order to achieve the above purpose, the present invention provides the following technical solutions: a motor with dust-proof function, comprising a casing and multiple sets of radiating fins, the bottom inner wall of the casing is fixedly connected with the bottom of the rotor seat, and the inner wall of the rotor seat is fixedly connected. It is rotatably connected with the outer surface of the rotor, the middle part of the rotor is fixedly connected with the middle part of the outer surface of the rotating shaft, the front side of the outer surface of the rotating shaft is clamped with the middle part of the bearing, and the outer surface of the bearing is respectively connected with the middle part of the plurality of sets of fixed rods. One end is fixedly connected, the other ends of the multiple sets of the fixing rods are fixedly connected to the inner wall of the housing, the front side of the outer surface of the fixing rod is fixedly connected to the rear end of the fixing pipe, and the front sides of the multiple sets of the fixing pipes are provided with a cover plate, the cover plate and multiple sets of fixing tubes are fixed by multiple sets of anti-loosening screws, the front end of the rotating shaft passes through the middle part of the cover plate, the rear side of the rotor seat is fixedly connected with the front end of the conical tube, The rear end of the tapered tube is fixedly connected to the inner wall of the rear side of the casing, and the middle part of the rear side of the casing is provided with a heat dissipation hole, and the heat dissipation hole is located directly behind the conical tube, and the left side of the outer surface of the casing and The right side is welded with a plurality of groups of radiating fins, and several groups of dust-removing holes are arranged between each two adjacent groups of the radiating fins, and the plurality of groups of the dust-removing holes are respectively opened on the left and right sides of the casing. The left and right sides are screwed with a dust removal motor, the output end of the dust removal motor is fixedly connected with one end of the connecting shaft, the other end of the connecting shaft is clamped with multiple sets of fan blades, and the outer surface of the rotor seat is The four corners are welded with deflectors.

Preferably, the rear end of the rotating shaft is clamped with several sets of cooling fans, and the length of the cooling fans is less than half of the inner diameter of the front end of the tapered tube, and the diameter of the front end of the tapered tube is larger than the diameter of the rear end.

Preferably, a ring of rubber pads is bonded to the back of the cover plate, and the length and width of the rubber pads are adapted to the length and width of the inner side of the casing respectively.

Preferably, the length of the fan blade is one-third to one-half of the length of the casing, and multiple groups of dust removal holes in the same plane are located on the left or right side of the fan blade.

Preferably, the rotor seat is an insulating plastic seat, and the inner diameter of the rotor seat is adapted to the outer diameter of the rotor.

Preferably, the inner wall of the fixing tube is provided with an inner thread matched with the anti-loosening screw, and the length of the fixing tube is greater than the length of the anti-loosening screw.

(3) Beneficial effects

Compared with the prior art, the utility model provides a motor with dustproof function, which has the following beneficial effects:

1. The motor with dust-proof function, through the cooperation of the dust-removing motor, the connecting shaft, the fan blade and the dust-removing hole, the heat sinks on the left and right sides of the housing are not prone to dust accumulation, which improves the dust-removing effect and heat-dissipating effect of the motor. , Through the cooperation of the tapered tube and the heat dissipation hole, and the installation of multiple sets of heat dissipation fans at the rear end of the rotating shaft, the rear side of the casing is not easy to generate dust accumulation, and the circulation of the air inside the motor is accelerated, and the heat dissipation effect of the motor is improved.

2. The motor with dust-proof function is bonded with elastic rubber pads on the back of the cover plate, so that the sealing effect between the cover plate and the casing is high, and the dust entering the motor is reduced. The length of the fan blade is three times the length of the casing. One to one half, and the multiple groups of dust removal holes located in the same plane are located on the left or right side of the fan blade, which makes the air flow more uniform and improves the effect of dust removal on the heat sink.

Description of drawings

Fig. 1, Fig. 2 are structural representations of the utility model;

Figure 3 is a structural cross-sectional view of the utility model;

Figure 4 is a schematic diagram of the internal structure of the utility model.

In the figure: 1. Shell; 2. Rotor seat; 3. Rotor; 4. Shaft; 5. Bearing; 6. Fixed rod; 7. Fixed tube; 8. Conical tube; 11. Dust removal hole; 12. Dust removal motor; 13. Connecting shaft; 14. Fan blade; 15. Air guide plate; 16. Cover plate;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a motor with dust-proof function, comprising a casing 1 and a plurality of sets of radiating fins 10, the bottom inner wall of the casing 1 is fixedly connected with the bottom of the rotor seat 2, the rotor The inner wall of the seat 2 is rotatably connected with the outer surface of the rotor 3, the middle part of the rotor 3 is fixedly connected with the middle part of the outer surface of the rotating shaft 4, the front side of the outer surface of the rotating shaft 4 is clamped with the middle part of the bearing 5, and the outer surface of the bearing 5 is One end of the set of fixing rods 6 is fixedly connected, the other ends of the multiple sets of fixing rods 6 are fixedly connected with the inner wall of the housing 1, the front side of the outer surface of the fixing rod 6 is fixedly connected with the rear end of the fixing pipe 7, and the The front side is provided with a cover plate 16, the cover plate 16 and the multiple sets of fixing tubes 7 are fixed by multiple sets of anti-loosening screws 17, the front end of the rotating shaft 4 passes through the middle of the cover plate 16, and the rear side of the rotor seat 2 is connected to the tapered tube. The front end of 8 is fixedly connected, the rear end of the tapered tube 8 is fixedly connected with the inner wall of the rear side of the casing 1, and a heat dissipation hole 9 is opened in the middle of the rear side of the casing 1. The left and right sides of the surface are welded with multiple groups of heat sinks 10 , and several groups of dust removal holes 11 are arranged between each two groups of adjacent heat sink fins 10 , and the multiple groups of dust removal holes 11 are respectively opened on the left and right sides of the casing 1 . On the left side and the right side of the rotor base 2 are screwed with a dust removal motor 12, the output end of the dust removal motor 12 is fixedly connected with one end of the connecting shaft 13, and the other end of the connecting shaft 13 is clamped with a plurality of sets of fan blades 14. The cooperation of the dust removal motor 12, the connecting shaft 13, the fan blade 14 and the dust removal hole 11 makes it difficult for the heat sinks 10 on the left and right sides of the casing 1 to generate dust accumulation, which improves the dust removal effect and heat dissipation effect of the motor. The dust removal motors 12 on the side and the right side are activated, the dust removal motors 12 drive the connecting shaft 13 to rotate, and the connecting shaft 13 drives the multiple sets of fan blades 14 to rotate, and makes the air flow out through the dust removal holes 11, thereby reducing the dust on the left and right sides of the casing 1. To gather, and to speed up the heat dissipation of the motor, the four corners of the outer surface of the rotor base 2 are welded with guide plates 15 .

Specifically, in order to make the rear side of the casing 1 less prone to dust accumulation, and to speed up the circulation of the air flow inside the motor, and improve the heat dissipation effect of the motor, several sets of cooling fans are clamped at the rear end of the rotating shaft 4, and the length of the cooling fans is less than The inner diameter of the front end of the tapered tube 8 is half of the inner diameter, and the diameter of the front end of the tapered tube 8 is larger than the diameter of the rear end. The airflow flows out through the heat dissipation holes 9 , which can reduce the accumulation of dust on the rear side of the casing 1 while dissipating heat to the motor.

Specifically, in order to make the sealing effect between the cover plate 16 and the casing 1 high and reduce dust from entering the motor, a rubber pad is attached to the back of the cover plate 16, and the length and width of the rubber pad are respectively the same as the length and width of the inner side of the casing 1. The width is adapted, thereby reducing the gap between the cover plate 16 and the casing 1 , and reducing the dust entering the casing 1 .

Specifically, in order to make the air flow more uniform and improve the dust removal effect of the heat sink 10, the length of the fan blade 14 is one third to one half of the length of the casing 1, and the multiple groups of dust removal holes 11 in the same plane are located at The left or right side of the fan blade 14, so that the airflow generated by the rotation of the multiple groups of fan blades 14 can pass through the dust removal hole 11 uniformly.

Specifically, in order to improve the safety of the motor, the rotor seat 2 is an insulating plastic seat, and the inner diameter of the rotor seat 2 is adapted to the outer diameter of the rotor 3 , thereby reducing the short circuit of the rotor 3 .

Specifically, in order to improve the fixing stability of the cover plate 16 , the inner wall of the fixing tube 7 is provided with an internal thread matched with the anti-loosening screw 17 , and the length of the fixing tube 7 is greater than that of the anti-loosening screw 17 .

Working principle: when the motor is working, the rotating shaft 4 can drive multiple sets of cooling fans to rotate, and then form a positive pressure air flow on the rear side of the casing 1, and the airflow flows out through the cooling holes 9, which can reduce the dust on the rear side of the casing 1 while dissipating the heat of the motor. At the same time, the dust removal motors 12 on the left and right sides of the rotor base 2 are activated, the dust removal motors 12 drive the connecting shaft 13 to rotate, and the connecting shaft 13 drives the multiple groups of fan blades 14 to rotate, and makes the air flow out through the dust removal holes 11, thereby reducing the number of casings. 1 The accumulation of dust on the left and right sides, and speed up the heat dissipation of the motor.

To sum up, the motor with dust-proof function, through the cooperation of the dust-removing motor 12, the connecting shaft 13, the fan blade 14 and the dust-removing hole 11, makes the heat sinks 10 on the left and right sides of the housing 1 not easy to generate dust accumulation, The dust removal effect and heat dissipation effect of the motor are improved. Through the cooperation of the tapered tube 8 and the heat dissipation hole 9, and the installation of multiple sets of heat dissipation fans at the rear end of the rotating shaft 4, the rear side of the casing 1 is not prone to dust accumulation, and the speed is accelerated. The circulation of the airflow inside the motor improves the heat dissipation effect of the motor. The elastic rubber pad is bonded to the back of the cover plate 16, so that the sealing effect between the cover plate 16 and the casing 1 is high, and dust is reduced from entering the inside of the motor. The length is one third to one half of the length of the casing 1, and the multiple groups of dust removal holes 11 located in the same plane are located on the left or right side of the fan blade 14, so that the air flow is more uniform, and the heat dissipation is improved. Sheet 10 for the effect of dust removal.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a motor with dustproof function, includes shell (1) and multiunit fin (10), its characterized in that: the bottom inner wall of the shell (1) is fixedly connected with the bottom of the rotor seat (2), the inner wall of the rotor seat (2) is rotatably connected with the outer surface of the rotor (3), the middle of the rotor (3) is fixedly connected with the middle of the outer surface of the rotating shaft (4), the front side of the outer surface of the rotating shaft (4) is connected with the middle of the bearing (5), the outer surface of the bearing (5) is fixedly connected with one end of a plurality of groups of fixing rods (6) respectively, the other ends of the plurality of groups of fixing rods (6) are fixedly connected with the inner wall of the shell (1), the front side of the outer surface of the fixing rods (6) is fixedly connected with the rear end of the fixing pipe (7), a cover plate (16) is arranged on the front side of the plurality of groups of fixing pipes (7), the cover plate (16) is fixed with the plurality of groups of fixing pipes (7) through a plurality of groups of locking screws (17), and the front, the rear side of the rotor seat (2) is fixedly connected with the front end of the conical pipe (8), the rear end of the conical pipe (8) is fixedly connected with the inner wall of the rear side of the shell (1), heat dissipation holes (9) are formed in the middle of the rear side of the shell (1), the heat dissipation holes (9) are located right behind the conical pipe (8), multiple groups of cooling fins (10) are welded on the left side and the right side of the outer surface of the shell (1), multiple groups of dust removal holes (11) are formed between every two adjacent groups of cooling fins (10), the multiple groups of dust removal holes (11) are respectively formed in the left side and the right side of the shell (1), dust removal motors (12) are respectively screwed on the left side and the right side of the rotor seat (2), the output ends of the dust removal motors (12) are fixedly connected with one end of a connecting shaft (13), and multiple groups of fan blades (14) are clamped at, and four corners of the outer surface of the rotor seat (2) are welded with guide plates (15).

2. The motor with a dustproof function according to claim 1, wherein: the rear end of pivot (4) joint has a plurality of groups heat dissipation fan, and the length of heat dissipation fan is less than one-half of conical duct (8) front end internal diameter, the diameter of conical duct (8) front end is greater than the diameter of its rear end.

3. The motor with a dustproof function according to claim 1, wherein: the back of the cover plate (16) is bonded with a circle of rubber pad, and the length and the width of the rubber pad are respectively matched with the length and the width of the inner side of the shell (1).

4. The motor with a dustproof function according to claim 1, wherein: the length of the fan blades (14) is one third to one half of the length of the shell (1), and the multiple groups of dust removing holes (11) in the same plane are positioned on the left side or the right side of the fan blades (14).

5. The motor with a dustproof function according to claim 1, wherein: the rotor seat (2) is an insulating plastic seat, and the inner diameter of the rotor seat (2) is matched with the outer diameter of the rotor (3).

6. The motor with a dustproof function according to claim 1, wherein: the inner wall of the fixed pipe (7) is provided with an internal thread matched with the anti-loosening screw (17), and the length of the fixed pipe (7) is larger than that of the anti-loosening screw (17).

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