CN220775533U - End cover structure of three-phase asynchronous motor - Google Patents

Abstract

The utility model discloses an end cover structure of a three-phase asynchronous motor, which belongs to the technical field of three-phase asynchronous motors and comprises a rotating shaft, wherein an inner frame is embedded in the rotating shaft, a radiating component is arranged on the side surface of the inner frame, a blowing component is embedded in the inner frame, and a rotating shaft is arranged on the side surface of the blowing component; according to the utility model, the air blowing component is arranged, the inserted link can be spliced with the through groove under the elastic acting force of the two pairs of fixed rings of the spring, and the fan blade on the surface of the rotating cylinder can be driven to rotate when the rotating shaft rotates under the limit rotation connection between the rotating cylinder and the inner frame, so that the heat dissipation speed of the device can be improved by rotating and blowing the fan blade.

Description

End cover structure of three-phase asynchronous motor

Technical Field

The utility model belongs to the technical field of three-phase asynchronous motors, and particularly relates to an end cover structure of a three-phase asynchronous motor.

Background

With the rapid development of electrical automation, three-phase asynchronous motors are also becoming more and more widely used. Some motors are usually installed in a narrow sealed space, and because the air in the sealed space is not easy to flow, the motors are easy to generate heat after long-time operation, and various faults can be caused.

The utility model provides a China patent application number 201310472293.9 discloses a three-phase asynchronous motor's end cover structure, including connecting block, end cover body, radiating strip and bearing frame hole, the connecting block sets up in the outer circumference of end cover body, the radiating strip sets up perpendicularly between bearing frame hole and end cover body, the bearing frame hole sets up in the middle part of the end cover body, the radiating strip sets up into interior radiating strip and outer radiating strip, interior radiating strip and outer radiating strip are adjacent, and are parallel to each other. Because the end cover structure of the three-phase asynchronous motor adopts the inner heat dissipation strip and the outer heat dissipation strip, the inner heat dissipation strip and the outer heat dissipation strip are adjacent and parallel to each other, and the heat dissipation effect is good; the outer circumference of the end cover is provided with 4 connecting blocks, and the end cover has the advantages of reasonable structure and convenience in installation.

In the above-mentioned published patent, the inside mode that adopts the setting radiating strip of end cover carries out quick heat exchange heat dissipation, and the radiating rate is too slow, and the end cover is in the closed state, can't carry out inside and outside air flow, and the radiating effect is not good.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides an end cover structure of a three-phase asynchronous motor, which has the characteristics of high heat dissipation speed and good heat dissipation effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an end cover structure of three-phase asynchronous motor, includes the pivot, the inside of pivot has inlayed interior frame, and the side of interior frame is provided with cooling module, and the inside of interior frame has inlayed and has been bloied the subassembly, and the side of bloied the subassembly is provided with the pivot, and the outside of end cover is connected with four connecting blocks, and threaded hole has been seted up to the inside of connecting block.

Preferably, the heat dissipation assembly comprises a clamping groove, a mounting ring, a heat dissipation net, clamping blocks and a first spring, wherein the mounting ring is arranged on the side face of the inner frame, the heat dissipation net is embedded in the mounting ring, the clamping blocks are embedded in the two sides of the mounting ring, the first spring is connected to the inner side of the clamping blocks, and two clamping grooves are formed in the inner wall of the end cover.

Preferably, the outside of fixture block is connected with the control block, is split type structure between collar and the end cover.

Preferably, the subassembly of blowing is including rotating a section of thick bamboo, flabellum, connecting seat, inserted bar and logical groove, wherein, the inside of inner frame has inlayed a rotation section of thick bamboo, and the outside of rotating a section of thick bamboo is connected with four flabellum, and the side of flabellum is provided with the connecting seat, and the inside of connecting seat has inlayed the inserted bar, and logical groove has been seted up on the surface of pivot.

Preferably, the rotating cylinder is of a T-shaped structure, and the rotating cylinder is in limiting rotating connection with the inner frame.

Preferably, the surface of the inserted link is sleeved with a fixed ring, and a second spring is arranged above the fixed ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the heat dissipation assembly is arranged, the clamping block can be clamped with the clamping groove under the elastic acting force of the first spring, the mounting ring can drive the heat dissipation net to be mounted and fixed in the end cover, the heat dissipation net is beneficial to air flow, the heat dissipation effect is better, the control block can be pressed to drive the clamping block to move out of the clamping groove, and the heat dissipation net is convenient to detach and clean.

2. According to the utility model, the air blowing component is arranged, the inserted link can be spliced with the through groove under the elastic acting force of the two pairs of fixed rings of the spring, and the fan blade on the surface of the rotating cylinder can be driven to rotate when the rotating shaft rotates under the limit rotation connection between the rotating cylinder and the inner frame, so that the heat dissipation speed of the device can be improved by rotating and blowing the fan blade.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a front view of a heat dissipating assembly according to the present utility model;

fig. 4 is a front view of a blower assembly of the present utility model.

In the figure: 1. a rotating shaft; 2. an end cap; 3. a connecting block; 4. an inner frame; 5. a heat dissipation assembly; 51. a clamping groove; 52. a mounting ring; 53. a heat dissipation net; 54. a clamping block; 55. a first spring; 56. a control block; 6. a blowing assembly; 61. a rotating cylinder; 62. a fan blade; 63. a fixing ring; 64. a connecting seat; 65. a rod; 66. a second spring; 67. a through groove; 7. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides an end cover structure of three-phase asynchronous motor, includes pivot 1, and the inside of pivot 1 has inlayed interior frame 4, and the side of interior frame 4 is provided with radiator unit 5, and the inside of interior frame 4 has inlayed and has bloied subassembly 6, and the side of bloied subassembly 6 is provided with pivot 1, and the outside of end cover 2 is connected with four connecting blocks 3, and screw hole 7 has been seted up to the inside of connecting block 3.

Specifically, the heat dissipation assembly 5 includes a clamping groove 51, a mounting ring 52, a heat dissipation net 53, clamping blocks 54 and a first spring 55, the mounting ring 52 is arranged on the side surface of the inner frame 4, the heat dissipation net 53 is embedded in the mounting ring 52, the clamping blocks 54 are embedded on two sides of the mounting ring 52, the first spring 55 is connected to the inner side of the clamping blocks 54, and two clamping grooves 51 are formed in the inner wall of the end cover 2.

By adopting the technical scheme, the heat dissipation net 53 is beneficial to air flow, so that the heat dissipation effect is better.

Specifically, the outer side of the clamping block 54 is connected with a control block 56, and a split structure is arranged between the mounting ring 52 and the end cover 2.

By adopting the technical scheme, pressing the control block 56 can drive the clamping block 54 to move out of the clamping groove 51, so that the cooling net 53 can be conveniently detached and cleaned.

When the embodiment is used, the clamping block 54 can be clamped with the clamping groove 51 under the elastic acting force of the first spring 55, the mounting ring 52 can drive the heat dissipation net 53 to be mounted and fixed in the end cover 2, the heat dissipation net 53 is beneficial to air flow, the heat dissipation effect can be better, the clamping block 54 can be driven to move out of the clamping groove 51 by pressing the control block 56, the heat dissipation net 53 can be conveniently dismounted and cleaned, and the end cover 2 is connected with the three-phase asynchronous motor through the threaded hole 7 of the connecting block 3.

Example 2

This embodiment differs from embodiment 1 in that: the air blowing component 6 comprises a rotating cylinder 61, fan blades 62, a connecting seat 64, a plug rod 65 and a through groove 67, wherein the rotating cylinder 61 is embedded in the inner frame 4, four fan blades 62 are connected to the outer side of the rotating cylinder 61, the connecting seat 64 is arranged on the side face of each fan blade 62, the plug rod 65 is embedded in the connecting seat 64, and the through groove 67 is formed in the surface of the rotating shaft 1.

Specifically, the rotating cylinder 61 is in a T-shaped structure, and the rotating cylinder 61 is in limited rotation connection with the inner frame 4.

By adopting the technical scheme, the fan blades 62 on the surface of the rotating cylinder 61 can be driven to rotate when the rotating shaft 1 rotates.

Specifically, the surface of the insert rod 65 is sleeved with a fixing ring 63, and a second spring 66 is installed above the fixing ring 63.

By adopting the technical scheme, the inserting rod 65 can be inserted into the through groove 67 under the elastic acting force of the second spring 66 on the fixed ring 63.

When the three-phase asynchronous motor is used, the inserting rod 65 and the through groove 67 can be inserted under the elastic acting force of the spring II 66 on the fixed ring 63, and the fan blade 62 on the surface of the rotating cylinder 61 can be driven to rotate when the rotating shaft 1 of the three-phase asynchronous motor rotates under the limit rotation connection between the rotating cylinder 61 and the inner frame 4, so that the heat dissipation speed of the device can be improved by rotating the fan blade 62 for air supply.

The structure and the use principle of the rotating shaft 1, the end cover 2, the connecting block 3, the inner frame 4 and the threaded hole 7 in the utility model are disclosed in an end cover structure of a three-phase asynchronous motor in China patent application No. 201310472293.9, and the working principle is that a heat dissipation block is arranged on the end cover 2 to improve heat dissipation.

The working principle and the using flow of the utility model are as follows: when the three-phase asynchronous motor cooling device is used, the clamping block 54 can be clamped with the clamping groove 51 under the elastic acting force of the first spring 55, the mounting ring 52 can drive the cooling net 53 to be mounted and fixed in the end cover 2, the cooling net 53 is beneficial to air flow, the cooling effect is better, the clamping block 54 can be driven to be moved out of the clamping groove 51 by pressing the control block 56, the cooling net 53 is convenient to detach and clean, the end cover 2 is connected with the three-phase asynchronous motor through the threaded hole 7 of the connecting block 3, the inserting rod 65 can be inserted with the through groove 67 under the elastic acting force of the second spring 66 on the fixing ring 63, the fan blade 62 on the surface of the rotating cylinder 61 can be driven to rotate when the rotating shaft 1 of the three-phase asynchronous motor rotates under the limit rotation connection between the rotating cylinder 61 and the inner frame 4, and the fan blade 62 rotates to supply air, so that the cooling speed of the device can be improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an end cover structure of three-phase asynchronous motor, includes pivot, its characterized in that: the inside of pivot has inlayed the inner frame, and the side of inner frame is provided with cooling module, and the inside of inner frame has inlayed the subassembly of blowing, and the side of subassembly of blowing is provided with the pivot, and the outside of end cover is connected with four connecting blocks, and threaded hole has been seted up to the inside of connecting block.

2. An end cover structure of a three-phase asynchronous motor according to claim 1, characterized in that: the heat dissipation assembly comprises clamping grooves, mounting rings, a heat dissipation net, clamping blocks and a first spring, wherein the mounting rings are arranged on the side faces of the inner frame, the heat dissipation net is embedded in the mounting rings, the clamping blocks are embedded in the two sides of the mounting rings, the first spring is connected to the inner sides of the clamping blocks, and two clamping grooves are formed in the inner walls of the end covers.

3. An end cover structure of a three-phase asynchronous motor according to claim 2, characterized in that: the outside of fixture block is connected with the control block, is split type structure between collar and the end cover.

4. An end cover structure of a three-phase asynchronous motor according to claim 1, characterized in that: the air blowing assembly comprises a rotating cylinder, fan blades, a connecting seat, a plug rod and a through groove, wherein the rotating cylinder is embedded in the inner frame, four fan blades are connected to the outer side of the rotating cylinder, the connecting seat is arranged on the side face of each fan blade, the plug rod is embedded in the connecting seat, and the through groove is formed in the surface of the rotating shaft.

5. The end cover structure of a three-phase asynchronous motor according to claim 4, wherein: the rotating cylinder is of a T-shaped structure, and the rotating cylinder is in limiting rotating connection with the inner frame.

6. The end cover structure of a three-phase asynchronous motor according to claim 4, wherein: the surface of the inserted link is sleeved with a fixed ring, and a second spring is arranged above the fixed ring.