CN211429061U - Motor end cover with high heat dissipation performance - Google Patents

Abstract

The utility model relates to a motor end cover with high heat dissipation, which relates to the technical field of motor end covers, comprising an end panel and a side panel that are fixedly connected, the end panel and the side panel form an inner cavity, and the end panel The center of the side away from the inner cavity is provided with a convex portion, the convex portion is provided with a shaft hole, the end plate is provided with a first heat dissipation hole, and the side plate is provided with a second heat dissipation hole. The utility model can dissipate heat in multiple directions and angles, improve the heat dissipation performance of the end cover, and enable the heat in the end cover to be dissipated in time.

Description

A motor end cover with high heat dissipation

technical field

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

Background technique

The end cover is a back cover installed behind the motor and other casings, commonly known as "end cover". The motor end cover is a main part of the motor that is installed and matched with the motor casing to fix the stator and rotor inside the motor.

The Chinese Patent Publication No. CN209748308U discloses a motor end cover. The motor end cover includes an end cover body. The end cover body is disc-shaped with a central axis hole at the center and a flange connection hole at the outer circumference. ; The counterweight reinforcing rib is fixedly connected to a surface of the end cover body. The motor end cover has a higher mass and lower investment cost, and can reduce the motor running noise.

The above-mentioned prior art solutions have the following defects: during the operation of the motor, the parts in the end cover will generate heat, and the heat cannot be dissipated in time, which may easily affect the use of the parts in the end cover.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a motor end cover with high heat dissipation, which improves the heat dissipation of the end cover and enables the heat in the end cover to be dissipated in time.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions:

A motor end cover with high heat dissipation includes an end panel and a side panel that are fixedly connected, the end panel and the side panel form an inner cavity, and the center of the end panel away from the inner cavity is provided with a raised portion The protruding portion is provided with a shaft hole, the end plate is provided with a first heat dissipation hole, and the side plate is provided with a second heat dissipation hole.

By adopting the above technical solution, the shaft hole is installed through the shaft of the motor, the air passes through the first heat dissipation hole and the second heat dissipation hole respectively to exchange heat inside the end cover, the first heat dissipation hole is used for heat dissipation at the end panel, and the second heat dissipation hole is used for heat dissipation. The holes dissipate heat at the side panel, and dissipate heat in multiple directions and angles to improve the heat dissipation of the end cover, so that the heat in the end cover can be dissipated in time.

In a preferred example of the present invention, it can be further configured that: the inner wall of the first heat dissipation hole is provided with a flange.

By adopting the above technical solution, the flange is at the inner wall of the first heat dissipation hole to improve the bearing strength of the inner wall edge of the first heat dissipation hole, so that the inner wall edge of the first heat dissipation hole is not easily deformed by force.

In a preferred example of the present invention, it can be further configured that: the first heat dissipation holes are evenly distributed on the end face of the end panel in the circumferential direction.

By adopting the above technical solution, the first heat dissipation holes are evenly distributed in the circumferential direction, so that the air passes through the first heat dissipation holes to uniformly dissipate heat inside the end cover, thereby improving the heat dissipation effect.

In a preferred example of the present invention, it can be further configured that: the second heat dissipation holes are evenly distributed on the side walls of the side plates in the circumferential direction.

By adopting the above technical solution, the second heat dissipation holes are evenly distributed in the circumferential direction, so that the air is uniformly dissipated through the second heat dissipation holes, and the heat dissipation effect is further improved.

In a preferred example of the present invention, it can be further configured that: the outer wall of the protruding portion is coaxially fixed with a reinforcing ring, and the reinforcing ring is fixedly connected to the end panel.

By adopting the above technical solution, the shaft hole is installed through the motor shaft, and the reinforcing ring is sleeved on the outer wall of the raised portion to support and strengthen the raised portion, so that the rotation of the motor shaft is more stable, safe and reliable.

In a preferred example of the present invention, an arc-shaped first reinforcing rib is fixed on the side of the end panel away from the inner cavity, and one end of the first reinforcing rib is connected to the outer wall of the reinforcing ring. Fixed connection.

By adopting the above technical solution, since the motor is installed and fixed by the motor end cover, when the motor is working, the motor end cover needs to bear a large torque and load, which is easy to cause the motor end cover to be twisted and deformed. The first reinforcing rib strengthens the end panel to improve the strength of the end panel, so that the end panel is not easily deformed due to large torsion force or load, and is stable and reliable.

In a preferred example of the present invention, an L-shaped second reinforcing rib is fixed on the side of the end panel away from the inner cavity, and one end of the second reinforcing rib is connected to the outer wall of the reinforcing ring. Fixed connection.

By adopting the above technical solution, the second reinforcing rib improves the strength of the end panel, so that the end panel is not easily deformed and twisted due to a large torsion force or load, thereby improving the stability of the motor during use.

In a preferred example of the present invention, it can be further configured that: one end of the side plate is connected to the end panel, the other end of the side plate is fixedly connected with a mounting plate, and the mounting plate is provided with a mounting hole.

By adopting the above technical solution, the motor end cover is installed by bolts passing through the mounting holes of the mounting plate, so that the motor end cover is connected with other components, with high fixability and convenient disassembly and assembly.

In a preferred example of the present invention, it can be further configured that: the connection between the outer wall of the side plate and the mounting plate is provided with a reinforcing rib.

By adopting the above technical solution, the reinforcing rib is connected and supported at the connection between the side plate and the installation plate, which improves the tightness of the connection between the side plate and the installation plate, thereby improving the overall strength of the end cover and making the end cover less susceptible to stress Deformation or fracture occurs, so that the operation of the motor is more stable.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. Through the arrangement of the end panel, the side panel, the raised portion, the shaft hole, the first heat dissipation hole and the second heat dissipation hole, the air passes through the first heat dissipation hole and the second heat dissipation hole respectively, and exchanges heat inside the end cover. One heat dissipation hole dissipates heat at the end panel, and the second heat dissipation hole dissipates heat at the side panel, dissipating heat in multiple directions and angles, improving the heat dissipation of the end cover and enabling the heat in the end cover to be dissipated in time.

2. Through the setting of the reinforcing ring, the shaft hole is installed through the shaft of the motor, and the reinforcing ring is sleeved on the outer wall of the raised part to support and strengthen the raised part, so that the rotation of the motor shaft is more stable, safe and reliable.

3. Through the setting of the reinforcing rib, the reinforcing rib is connected and supported at the connection between the side plate and the installation plate, which improves the tightness of the connection between the side plate and the installation plate, thereby improving the overall strength of the end cover and making the end cover difficult Deformation or fracture due to force makes the motor run more stably.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of this embodiment.

In the figure, 1, end panel; 11, raised part; 12, shaft hole; 13, first heat dissipation hole; 131, flange; 2, side plate; 21, second heat dissipation hole; 3, mounting plate; 31, Mounting hole; 41. First reinforcing rib; 42. Second reinforcing rib; 43. Reinforcing ring; 5. Reinforcing rib.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , it is a motor end cover with high heat dissipation disclosed by the utility model, which includes an end panel 1 , a side panel 2 and a mounting panel 3 that are fixedly connected. The side plate 2 is a closed ring, one end of the side plate 2 is fixedly connected with the edge of the end plate 1, and the end plate 1 and the side plate 2 form an inner cavity; the other end of the side plate 2 is fixedly connected with the mounting plate 3, and the mounting plate 3 is located on the side. Outer wall of plate 2. The mounting plate 3 is provided with mounting holes 31 , and the mounting holes 31 are distributed at four corners of the mounting plate 3 . The inner cavity is used to install the parts of the motor, and the motor end cover is installed through the mounting hole 31 by bolts, so that the motor end cover is connected with other components, and the bolt connection has high fixation and convenient disassembly and assembly.

Referring to FIG. 1 , the center of the end panel 1 away from the inner cavity is provided with a raised portion 11 , the raised portion 11 is provided with a shaft hole 12 along the direction perpendicular to the end panel 1 , and the outer wall of the raised portion 11 is coaxially fixed with a reinforcing sleeve. Ring 43, the reinforcing ring 43 is fixedly connected to the side of the end panel 1 away from the inner cavity. The shaft hole 12 is provided for the shaft of the motor to pass through, and the reinforcing ring 43 improves the tightness of the connection between the raised part 11 and the end panel 1, strengthens and supports the raised part 11, and makes the rotation of the motor shaft more stable, safe and reliable.

Referring to FIG. 1 , arcuate first reinforcing ribs 41 are fixed in pairs on the side of the end panel 1 away from the inner cavity. The center of the first reinforcing ribs 41 is symmetrically distributed on both sides of the reinforcing ring 43 . The outer walls of the ring 43 are fixedly connected. L-shaped second reinforcing ribs 42 are fixed in pairs on the side of the end panel 1 away from the inner cavity. The center of the second reinforcing ribs 42 is symmetrically distributed on both sides of the reinforcing ring 43 . Fixed connection. In this embodiment, a pair of the first reinforcing rib 41 and the second reinforcing rib 42 are respectively provided. The first reinforcing rib 41 is used in conjunction with the second reinforcing rib 42 to strengthen the end panel 1 and improve the strength of the end panel 1. When the motor is working, the end panel 1 is not easily deformed and twisted due to a large torsion force or load. The stability of the motor use process.

Referring to FIG. 1 , the end panel 1 is provided with first heat dissipation holes 13 , and the first heat dissipation holes 13 are uniformly distributed on the end surface of the end panel 1 in the circumferential direction. In this embodiment, there are four first heat dissipation holes 13 , and each of the first heat dissipation holes 13 is distributed between the first reinforcing rib 41 and the second reinforcing rib 42 . The inner wall of the first heat dissipation hole 13 is provided with a flange 131 along the axial direction. The air passes through the first heat dissipation holes 13 evenly, and heat exchange is performed inside the end cover, which improves the effect of heat dissipation. The flanges 131 improve the bearing strength of the inner wall edge of the first heat dissipation hole 13 , so that the inner wall edge of the first heat dissipation hole 13 is not easily deformed by force, and is safe and reliable.

Referring to FIG. 1 , the side plate 2 is provided with waist-shaped second heat dissipation holes 21 , and the second heat dissipation holes 21 are evenly distributed on the side wall of the side plate 2 in the circumferential direction. The air evenly passes through the second heat dissipation holes 21 to dissipate heat inside the end cover, which further improves the heat dissipation effect.

Referring to FIG. 1 , the connection between the outer wall of the side plate 2 and the mounting plate 3 is provided with a reinforcing rib 5 , the reinforcing rib 5 is triangular, and the reinforcing rib 5 is respectively connected with the outer wall of the side plate 2 and the mounting plate 3 towards the side plate 2 fixed connection on one side. The reinforcing rib plate 5 is connected and supported, which improves the tightness of the connection between the side plate 2 and the mounting plate 3, and improves the overall strength of the end cover, so that the end cover is not easily deformed or broken due to force, and the operation of the motor is more stable.

The implementation principle of this embodiment is as follows: the air passes through the first heat dissipation hole 13 and the second heat dissipation hole 21 respectively, the first heat dissipation hole 13 dissipates heat at the end panel 1, and the second heat dissipation hole 21 dissipates heat at the side panel. , Multi-angle heat dissipation, improve the heat dissipation of the end cover, so that the heat in the end cover can be dissipated in time, safe and reliable.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a motor end cover that thermal diffusivity is high, includes fixed connection's end panel (1) and curb plate (2), end panel (1) with curb plate (2) form inner chamber, its characterized in that: the end panel (1) is kept away from the center of the inner cavity one side and is provided with a protruding part (11), a shaft hole (12) is formed in the protruding part (11), a first heat dissipation hole (13) is formed in the end panel (1), and a second heat dissipation hole (21) is formed in the side plate (2).

2. The motor end cover with high heat dissipation performance of claim 1, wherein: the inner wall of the first heat dissipation hole (13) is provided with a flanging (131).

3. The motor end cover with high heat dissipation performance of claim 1, wherein: the first heat dissipation holes (13) are circumferentially and uniformly distributed on the end face of the end face plate (1).

4. The motor end cover with high heat dissipation performance of claim 1, wherein: the second heat dissipation holes (21) are circumferentially and uniformly distributed in the side wall of the side plate (2).

5. The motor end cover with high heat dissipation performance of claim 1, wherein: the outer wall of the bulge part (11) is coaxially fixed with a reinforcing ring (43), and the reinforcing ring (43) is fixedly connected to the end panel (1).

6. The motor end cover with high heat dissipation performance of claim 5, wherein: end panel (1) are kept away from the one side of inner chamber is fixed with curved first strengthening rib (41), the one end of first strengthening rib (41) with the outer wall fixed connection of reinforcing ring (43).

7. The motor end cover with high heat dissipation performance of claim 5, wherein: end panel (1) are kept away from the one side of inner chamber is fixed with second strengthening rib (42) of L shape, the one end of second strengthening rib (42) with the outer wall fixed connection of reinforcing ring (43).

8. The motor end cover with high heat dissipation performance of claim 1, wherein: curb plate (2) one end with end panel (1) is connected, the other end fixedly connected with mounting panel (3) of curb plate (2), mounting hole (31) have been seted up in mounting panel (3).

9. The motor end cover with high heat dissipation performance of claim 8, wherein: and a reinforcing rib plate (5) is arranged at the joint of the outer wall of the side plate (2) and the mounting plate (3).

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