CN219611504U - Motor heat dissipation end cover - Google Patents

Abstract

The utility model provides a motor heat dissipation end cover. The heat radiation device is arranged at the air inlet of the heat radiation cover, the temperature in the main body is conducted to the heat radiation fins of the heat radiation device through heat, meanwhile, the fan blades are arranged on the rotating shaft of the end cover main body and rotate along with the rotating shaft to drive air in the heat radiation cover to flow, and the air passes through the air passage of the heat radiation device so as to accelerate the first heat radiation fins, so that the first heat radiation fins can conduct more heat, and the heat radiation effect is achieved.

Description

Motor heat dissipation end cover

Technical Field

0001. The utility model relates to the technical field of motor end covers, in particular to a motor heat dissipation end cover.

Background

0002. The motor end covers generally refer to covers at two ends of the motor with the axial dimension larger than the radial dimension, and the main function is to determine the space position of the shaft of the rotor, and the motor end covers are connected to a shell for fixing the stator of the motor through the end covers in a matching way with bearings in different forms, so that the clearance between the rotor and the stator is ensured, a cast iron process is general, and the small motor can also be formed by punching plates.

0003. At present, in the running process of the motor, the temperature inside the motor is continuously increased, the heat inside the motor is conducted to the end cover, the temperature on the end cover is also continuously increased, and the surface of the end cover cannot well dissipate the heat conducted to the end cover.

Disclosure of Invention

0004. In view of the foregoing, an object of the present utility model is to provide a motor heat dissipating end cap.

0005. In order to achieve the above object, the technical scheme of the present utility model is as follows: the motor heat dissipation end cover comprises a main body, wherein a rotating shaft hole for a motor shaft to penetrate is formed in the main body, a heat dissipation cover is arranged on the outer end face of the main body, an air inlet is formed in the peripheral face of the lower side of the heat dissipation cover, an air outlet is formed in the middle of the heat dissipation cover, and one end of the motor shaft penetrates out of the air outlet;

the heat dissipation device comprises a cover plate, a plurality of first cooling fins are arranged on the cover plate, one sides of the first cooling fins are clung to the surface of the main body, an air passage is arranged between two adjacent first cooling fins, one end of the air passage, which is close to the heat dissipation cover, is integrated at the air inlet, and one end of the air passage, which is far away from the heat dissipation cover, is communicated with the outside;

the motor shaft is sleeved with fan blades, the fan blades are located between the main body and the heat dissipation cover, and the fan blades rotate along with the motor shaft to convey air at the air inlet to the air outlet.

0006. Preferably, the first fin has a streamline shape.

0007. Preferably, the width of the airway tapers from outside to inside.

0008. Preferably, a bolt is arranged in the heat dissipation cover, a bolt hole is formed in the main body, and the bolt sleeve is arranged in the bolt hole in a penetrating mode.

0009. Preferably, a base is arranged on the periphery of the main body, and a mounting hole is formed in the base.

0010. Preferably, a plurality of second cooling fins are arranged below the base, and the second cooling fins are crossed.

0011. The technical effects of the utility model are mainly as follows: 1. the outer end face of the main body is provided with a heat radiation cover, the air inlet of the heat radiation cover is provided with a heat radiation device, the temperature inside the main body is transmitted to the heat radiation fins of the heat radiation device through heat conduction, meanwhile, the rotating shaft of the end cover main body is provided with fan blades, the fan blades rotate along with the rotating shaft to drive air in the heat radiation cover to flow, and the air passes through the air passage of the heat radiation device so as to accelerate the first heat radiation fins, so that the heat radiation fins can transmit more heat, and the heat radiation effect is achieved;

2. the radiating fins are in streamline shapes, and more heat is conducted by increasing the radiating area;

3. the air passage is from wide to narrow, and the flow velocity in the air passage is increased to enable heat to be emitted more quickly;

4. the main body is provided with a base, and the base is provided with a mounting hole for fixing the motor and determining the space position of a motor shaft in the motor;

5. a plurality of second radiating fins are arranged below the base and used for increasing the radiating area and preventing excessive heat from being deposited on the base and the main body.

Drawings

0012. FIG. 1 is a schematic diagram of an end cap structure in an embodiment;

FIG. 2 is a schematic diagram of a heat dissipating cover according to an embodiment;

FIG. 3 is a half cross-sectional view of an end cap in an embodiment;

FIG. 4 is a schematic diagram of the flow of gas in an embodiment.

0013. Reference numerals: 1. a main body; 111. a bolt hole; 2. a base; 21. a mounting hole; 3. a second heat sink; 4. a heat dissipation cover; 411. a plug pin; 412. an air inlet; 413. an air outlet; 5. a first heat sink; 51. an airway; 6. a cover plate; 7. a motor shaft; 8. a fan blade; 9. and a rotating shaft hole.

Detailed Description

0014. The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.

0015. Referring to fig. 1, the motor heat dissipation end cover comprises a main body 1, a rotating shaft hole 9 for penetrating a motor shaft 7 is formed in the main body 1, the motor shaft 7 penetrates through the rotating shaft hole 9, and the motor shaft 7 can rotate in the rotating shaft hole 9. The base 2 is arranged on the periphery of the main body 1, the base 2 is provided with the mounting holes 21 for fixing the motor and determining the space position of the motor shaft 7 in the motor, and the thickness of the junction is increased after the main body 1 is connected with the base 2, so that the junction cannot radiate well, a plurality of second radiating fins 3 are arranged below the base 2 of the main body 1, the second radiating fins 3 are crossed, the radiating area of the main body 1 connected with the base 2 is increased by the second radiating fins 3, and excessive heat is prevented from being deposited on the base 2 and the main body 1, so that heat cannot be radiated.

0016. Referring to fig. 2 and 3, a heat dissipation cover 4 is disposed on the outer end surface of the main body 1, the heat dissipation cover 4 is connected with the main body 1 by a plug 411 for convenience in rotation, the heat dissipation cover 4 mainly allows air in the heat dissipation cover 4 to flow, an air inlet 412 is disposed on the peripheral surface of the heat dissipation cover 4, and an air outlet 413 is disposed in the center of the end portion of the heat dissipation cover 4. One end of the motor shaft 7 passes through the air outlet 413, the fan blade 8 is sleeved on the motor shaft 7 between the main body 1 and the heat radiation cover 4, and when the fan blade 8 rotates, the fan blade 8 throws the air on the back of the fan blade 8 towards the air outlet 413, so that a vacuum area is formed in the space of the fan blade 8, which is close to the main body 1, and the air outside the heat radiation cover 4 is pressed into the heat radiation cover 4 from the air inlet 412 due to the atmospheric pressure, so that the effect of air flow is achieved.

0017. Referring to fig. 3, a heat dissipating device is disposed below the air inlet 412, the heat dissipating device includes a cover plate 6, a plurality of first heat dissipating fins 5 are disposed on the cover plate 6, the first heat dissipating fins 5 are in a streamline shape, by increasing a heat dissipating area, more heat is conducted, the cover plate 6 seals one side of the first heat dissipating fins 5, the other side is tightly attached to the surface of the main body 1, then an air channel 51 is formed between the first heat dissipating fins 5, one end of the air channel 51, which is close to the heat dissipating mask 4, is integrated at the air inlet 412, one end of the air channel 51, which is far away from the heat dissipating mask 4, is communicated with the outside, and in order to accelerate the air circulation in the air channel 51, in this example, the width of the air channel 51 is gradually reduced from outside to inside.

0018. Referring to fig. 4, the working principle of this example is: the fan blade 8 rotates along with the rotating shaft to drive air in the heat radiation cover 4 to flow, when the fan blade 8 rotates, air flows out from the air outlet 413, meanwhile, a vacuum area is formed on one side of the fan blade 8, air enters from the wide opening of the air passage 51 through the principle of pressure difference, passes through the air passage 51 to the air inlet 412 of the narrow opening to the heat radiation cover 4, and then continuously forms air flow to accelerate heat radiation of the first heat radiation fin 5.

0019. Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims (6)

1. The motor heat dissipation end cover comprises a main body (1), wherein a rotating shaft hole (9) for a motor shaft (7) to penetrate is formed in the main body (1), and the motor heat dissipation end cover is characterized in that a heat dissipation cover (4) is arranged on the outer end face of the main body (1), an air inlet (412) is formed in the peripheral face of the lower side of the heat dissipation cover (4), an air outlet (413) is formed in the middle of the heat dissipation cover (4), and one end of the motor shaft (7) penetrates out of the air outlet (413);

the heat dissipation device is arranged below the air inlet (412), and comprises a cover plate (6), a plurality of first cooling fins (5) are arranged on the cover plate (6), one sides of the first cooling fins (5) are clung to the surface of the main body (1), an air passage (51) is arranged between two adjacent first cooling fins (5), one end, close to the heat dissipation cover (4), of the air passage (51) is integrated at the air inlet (412), and one end, far away from the heat dissipation cover (4), of the air passage (51) is communicated with the outside;

the fan blade (8) is sleeved on the motor shaft (7), the fan blade (8) is located between the main body (1) and the heat dissipation cover (4), and the fan blade (8) rotates along with the motor shaft (7) to convey gas of the gas inlet (412) to the gas outlet (413).

2. A motor heat dissipating end cap according to claim 1, wherein said first heat sink (5) is streamlined.

3. A motor heat dissipating end cap according to claim 1, wherein the width of the air channel (51) tapers from outside to inside.

4. A motor heat radiation end cover according to claim 3, characterized in that a bolt (411) is arranged in the heat radiation cover (4), a bolt hole (111) is arranged on the main body (1), and the bolt (411) is arranged in the bolt hole (111) in a penetrating way.

5. The motor heat dissipation end cover according to claim 4, wherein a base (2) is arranged on the periphery of the main body (1), and a mounting hole (21) is formed in the base (2).

6. The motor heat dissipation end cover according to claim 5, wherein a plurality of second heat dissipation fins (3) are arranged below the base (2), and the second heat dissipation fins (3) are crossed.