CN216751387U - Easy radiating alternating current motor - Google Patents

Abstract

The utility model discloses an alternating current motor easy to radiate heat, which comprises: the shell is circumferentially provided with ventilation grooves, and radiating fins are arranged in the ventilation grooves and extend out of the ventilation grooves; the bottom of the shell is symmetrically provided with bending supports, and the bending supports are provided with mounting through holes. The utility model has novel structure, high heat dissipation efficiency, stable installation and strong practicability, and heat is not easy to accumulate.

Description

An AC motor that is easy to dissipate heat

technical field

The utility model belongs to the technical field of electric motors, in particular to an alternating current motor which is easy to dissipate heat.

Background technique

The AC motor is a machine used to realize the mutual conversion of mechanical energy and AC electrical energy, and the application is very common. Compared with the DC motor, the AC motor has a simple structure, is easy to manufacture, and is relatively firm because there is no commutator. It is easy to make a motor with high speed, high voltage, high current and large capacity.

The structure of the existing AC motor is relatively simple, the heat dissipation performance is poor, the heat generated during operation is not easily dissipated to the outside, and the heat accumulates to generate a temperature rise effect, which affects the use.

Utility model content

The purpose of the utility model is to solve the above-mentioned technical problems existing in the prior art, and to provide an AC motor that is easy to dissipate heat, has a novel structure, high heat dissipation efficiency, hard heat accumulation, stable installation and strong practicability.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

An AC motor that is easy to dissipate heat, comprising: a casing, a front end cover and a rear end cover, characterized in that: the casing is provided with ventilation grooves distributed in the circumferential direction, the ventilation grooves are provided with heat dissipation fins, and the heat dissipation fins extend out of the ventilation grooves The bottom of the shell is symmetrically distributed with bending supports, and the bending supports are provided with installation through holes. The AC motor has novel structure, high heat dissipation efficiency, hard heat accumulation, stable installation and strong practicability.

Further, the heat dissipation fins and the inner wall of the ventilation slot are fixedly connected by soldering blocks, which is reliable and not easy to loosen, which ensures that there is a gap between the heat dissipation fins and the ventilation grooves, which is conducive to air circulation, and cooperates with the heat dissipation fins to dissipate heat and improve the heat dissipation efficiency. , effectively dissipate the heat, and the heat dissipation effect is good.

Further, the front end cover and the casing are fixedly connected by fastening bolts, the connection is reliable, the disassembly and assembly are flexible, and the maintenance of internal components is convenient.

Further, the casing is provided with an end ring, the end ring is provided with a positioning concave hole, and the front end cover is provided with a positioning column corresponding to the positioning concave hole, so that the front end cover can be quickly installed and positioned on the casing, and radial rotation is not easy to occur. , so as to facilitate the installation of the fastening bolts and improve the installation efficiency.

Further, the front end cover is provided with a fixing through hole, and the end ring is provided with a limit screw hole, the fastening bolt passes through the fixed through hole, the limit screw hole is connected with the fastening bolt, and the end of the fastening bolt presses the front end cover, restricting the The front end cover moves axially, and the threaded section of the fastening bolt restricts the radial rotation of the front end cover, which ensures the installation stability of the front end cover.

Further, a reinforcing rib plate is arranged between the bending support and the shell, which improves the connection strength between the bending support and the shell. stability.

Further, the front end cover is provided with a heat dissipation through hole, which is conducive to the circulation of air inside and outside, and axial ventilation and heat dissipation, which improves the heat dissipation efficiency.

Further, the rear end cover is provided with ventilation holes, which is conducive to the circulation of air inside and outside, axial ventilation and heat dissipation, and the front and rear are connected, and the heat dissipation efficiency is higher.

The utility model has the following beneficial effects due to the adoption of the above-mentioned technical solutions:

1. The heat generated by the AC motor is dissipated through the ventilation slots. The heat dissipation area of the heat dissipation fins is large, which accelerates the heat dissipation, effectively dissipates the heat, avoids heat accumulation and causes the temperature rise effect, and prolongs the AC motor. The cooling fin and the inner wall of the ventilation slot are fixedly connected by tin solder blocks, which is reliable and not easy to loosen, which ensures that there is a gap between the cooling fin and the ventilation slot, which is conducive to air circulation. Heat dissipation efficiency, effectively dissipate heat, and good heat dissipation effect.

2. Bending supports are symmetrically distributed at the bottom of the shell, and the support is stable and ensures the stability during operation; the reinforcing rib plate improves the connection strength between the bending support and the shell, and the bending support passes through the reinforcing ribs. The plate gives the housing a stable support, which improves the stability of the housing.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

1 is a schematic structural diagram of an AC motor that is easy to dissipate heat according to the present invention;

Fig. 2 is the front view of Fig. 1;

3 is a schematic diagram of the internal structure of the housing in the utility model;

Fig. 4 is the structural representation of the front end cover in the utility model;

FIG. 5 is a schematic structural diagram of the connection between the casing and the cooling fins in the present invention.

In the figure: 1- shell; 2- front cover; 3- rear cover; 4- heat dissipation through hole; 5- ventilation hole; 6- fastening bolt; 7- fixing through hole; 8- end ring; 9- limit Position screw hole; 10-positioning concave hole; 11-positioning column; 12-ventilation slot; 13-heat dissipation fin; 14-solder block; 15-bending support; 16-installation through hole; 17-reinforcing rib plate .

Detailed ways

As shown in FIGS. 1 to 5 , it is an AC motor that is easy to dissipate heat according to the present invention. The two ends of the front end cover 2 are provided with heat dissipation through holes 4, which are conducive to the circulation of air inside and outside, axial ventilation and heat dissipation, and improve the heat dissipation efficiency. The rear end cover 3 is provided with ventilation holes 5, which are conducive to air circulation inside and outside, axial ventilation and heat dissipation, and the front and rear are connected, so that the heat dissipation efficiency is higher.

The front end cover 2 and the casing 1 are fixedly connected by fastening bolts 6, the connection is reliable, the disassembly and assembly are flexible, and the maintenance of internal components is convenient. The front end cover 2 is provided with a fixing through hole 7, the housing 1 is provided with an end ring 8, and the end ring 8 is provided with a limit screw hole 9, the fastening bolt 6 passes through the fixed through hole 7, and the limit screw hole 9 is connected and fastened. The bolts 6 and the end ring 8 are provided with positioning concave holes 10, and the front end cover 2 is provided with a positioning column 11 corresponding to the positioning concave hole 10, and the positioning column 11 is aligned with the positioning concave hole 10 to be embedded, so that the front end cover 2 can be inserted into the shell. The rapid installation and positioning on the body 1 makes it difficult to rotate radially. At this time, the fixed through hole 7 is aligned with the limit screw hole 9, which reduces the difficulty of hole alignment, thereby facilitating the installation of the fastening bolts 6, improving the installation efficiency and tightening The end of the bolt 6 presses the front end cover 2 to limit the axial movement of the front end cover 2 , and the threaded section of the tightening bolt 6 limits the radial rotation of the front end cover 2 to ensure the installation stability of the front end cover 2 .

The casing 1 is provided with ventilation grooves 12 distributed in the circumferential direction. The ventilation grooves 12 are provided with heat dissipation fins 13, and the heat dissipation fins 13 extend out of the ventilation grooves 12 to ensure sufficient heat dissipation area. The heat generated by the AC motor is dissipated outward through the ventilation slots 12. The heat dissipation area of the heat dissipation fins 13 is large, which accelerates the heat dissipation to the outside, effectively dissipates the heat, avoids heat accumulation and causes the temperature rise effect, and prolongs the AC motor. service life. The heat dissipation fins 13 and the inner wall of the ventilation groove 12 are fixedly connected by soldering blocks 14, which are fixed reliably and are not easy to loosen, which ensures that there is a gap between the heat dissipation fins 13 and the ventilation grooves 12, which is conducive to air circulation, and cooperates with the heat dissipation fins 13 to dissipate heat. The heat dissipation efficiency is improved, the heat is effectively dissipated, and the heat dissipation effect is good.

Bending supports 15 are symmetrically distributed at the bottom of the housing 1, and the support is stable and ensures the stability during operation; the bending supports 15 are provided with installation through holes 16, which are convenient for nailing and fixing, and improve the convenience of installation. A reinforcing rib 17 is arranged between the bending support 15 and the shell 1, which improves the connection strength between the bending support 15 and the shell 1, and the bending support 15 stabilizes the shell 1 through the reinforcing rib 17 The support improves the stability of the housing 1 .

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made on the basis of the present invention in order to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims (8)

1. An AC motor that is easy to dissipate heat, comprising: a casing, a front end cover and a rear end cover, characterized in that: the casing is circumferentially distributed with ventilation grooves, and the ventilation grooves are provided with cooling fins, so The heat dissipation fins extend out of the ventilation slots; the bottom of the casing is symmetrically distributed with bending supports, and the bending supports are provided with installation through holes. 2 . The AC motor that is easy to dissipate heat according to claim 1 , wherein the heat dissipating fins and the inner wall of the ventilation groove are fixedly connected by soldering blocks. 3 . 3 . The AC motor with easy heat dissipation according to claim 1 , wherein the front end cover and the housing are fixedly connected by fastening bolts. 4 . 4 . The AC motor with easy heat dissipation according to claim 3 , wherein the casing is provided with an end ring, the end ring is provided with a positioning concave hole, and the front end cover is provided with a The positioning column corresponding to the positioning concave hole. 5 . The AC motor with easy heat dissipation according to claim 4 , wherein the front end cover is provided with fixing through holes, the end ring is provided with limit screw holes, and the fastening bolts pass through 5 . The fixing through hole and the limit screw hole are connected to the fastening bolt. 6 . The AC motor that is easy to dissipate heat according to claim 1 , wherein a reinforcing rib is arranged between the bending support and the housing. 7 . 7 . The AC motor with easy heat dissipation according to claim 1 , wherein the front end cover is provided with a heat dissipation through hole. 8 . 8 . The AC motor that is easy to dissipate heat according to claim 1 , wherein the rear end cover is provided with ventilation holes. 9 .

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