Alternating current motor fixed impeller with novel structure

Abstract

The utility model relates to the technical field of alternating-current motors, and discloses a novel-structure alternating-current motor fixed impeller which comprises a fixed impeller body, a shaft hole is formed in the center of the interior of the fixed impeller body, and a fixing sleeve is installed on the surface of one side of the fixed impeller body and located on the outer side of the shaft hole. An end block is installed on the surface of the other side of the fixed impeller body and located on the outer side of the shaft hole, a first groove is formed in the surface of the side, away from the fixed impeller body, of the end block, and a waterproof ring is installed in the first groove. According to the utility model, the reinforcing block is arranged and is connected to the fixing sleeve and the fixed impeller main body, so that the strength of the fixed impeller main body is improved; the first groove, the second groove and the third groove are formed in the surface of the end block, the waterproof ring is installed in the first groove, the waterproof mechanisms are installed in the second groove and the third groove, waterproof treatment is conducted on the connecting position of the fixed impeller body and the motor shaft through the waterproof ring and the waterproof sleeve, and external water is prevented from entering the motor shell.

Description

Technical Field

[0001] The utility model relates to the technical field of AC motors, in particular to a stator impeller of an AC motor with a new structure. Background Art

[0002] The motor stator, i.e. the inner end cover and rear end cover of the motor, is located between the cooling fan and the motor housing of the AC motor and is used to support and stabilize the motor shaft;

[0003] Most of the existing AC motors, like the rust-proof AC motor disclosed in the Chinese patent (authorization announcement number CN201674303U) and the AC motor for a vacuum pump (authorization announcement number CN203289256U), do not have a waterproof sealing structure at the connection between the rear end cover and the motor shaft. This makes it easy for external moisture to enter the motor housing through the connection between the rear end cover and the motor shaft during actual use, thereby affecting the normal operation of the motor. Utility Model Content

[0004] The utility model aims to provide a stator impeller of an AC motor with a new structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A stator impeller of an AC motor with a new structure includes a stator impeller body, an axial hole is opened at the inner center position of the stator impeller body, and a fixing sleeve is installed on one side surface of the stator impeller body located on the outside of the axial hole, and an end block is installed on the other side surface of the stator impeller body located on the outside of the axial hole, a first groove is opened on the side surface of the end block away from the stator impeller body, a waterproof ring is installed inside the first groove, a second groove is opened on the side surface of the end block away from the stator impeller body and located on the outside of the first groove, a third groove is opened on the side surface of the end block away from the stator impeller body and located on the outside of the second groove, and a waterproof mechanism is jointly provided inside the second groove and the third groove.

[0007] As a further solution of the utility model: a plurality of fixing blocks are installed at the outer edge of the stator impeller body.

[0008] As a further solution of the utility model: a plurality of reinforcing blocks are installed on the outer surface of the fixing sleeve, and one side surface of the reinforcing blocks is connected to the stator impeller body.

[0009] As a further solution of the utility model: the waterproof mechanism includes a waterproof sleeve, a through hole is opened at the inner center position of the waterproof sleeve, a first connecting sleeve is installed on the outside of the through hole on one side surface of the waterproof sleeve, and a second connecting sleeve is installed on the outside of the first connecting sleeve on one side surface of the waterproof sleeve.

[0010] As a further solution of the utility model: the inner diameter of the waterproof ring is the same as the diameter of the shaft hole.

[0011] As a further solution of the utility model: the waterproof sleeve is fitted on the end block, the diameter of the through hole is the same as the diameter of the axial hole, the first connecting sleeve is installed inside the second groove, and the second connecting sleeve is installed inside the third groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a reinforcing block, which is connected to the fixing sleeve and the stator impeller body, so that the strength of the stator impeller body is improved, and the stator impeller body is prevented from gradually deforming due to the vibration when the motor is running, thereby increasing the service life.

[0014] 2. The utility model provides a first groove, a second groove and a third groove on the surface of the end block, a waterproof ring is installed in the first groove, and a waterproof mechanism is installed in the second groove and the third groove. The connection between the stator impeller body and the motor shaft is waterproofed by the waterproof ring and the waterproof sleeve, thereby preventing external moisture from entering the interior of the motor housing through the connection between the stator impeller body and the motor shaft and affecting the operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a new structure AC motor stator impeller;

[0016] Figure 2 This is a schematic diagram of the structure of a fixed sleeve in a stator impeller of a new structure AC motor;

[0017] Figure 3 This is an exploded diagram of a new structure AC motor stator impeller;

[0018] Figure 4 for Figure 3 A magnified view of middle;

[0019] Figure 5 It is a cross-sectional view of a waterproof mechanism in a stator impeller of an AC motor with a new structure;

[0020] Figure 6 This is a schematic diagram of the actual use of a new structure AC motor stator impeller;

[0021] Figure 7 The present invention is a schematic diagram of the prior art of a stator impeller of an AC motor with a new structure.

[0022] In the figure: 1. fixed impeller body; 2. shaft hole; 3. fixing sleeve; 4. end block; 5. fixing block; 6. reinforcement block; 7. first groove; 8. waterproof ring; 9. second groove; 10. third groove; 11. waterproof mechanism; 12. waterproof sleeve; 13. through hole; 14. first connecting sleeve; 15. second connecting sleeve; 16. motor housing; 17. wind cover; 18. motor shaft; 19. fan. DETAILED DESCRIPTION

[0023] See also Figure 1 , Figure 2 , Figure 4 and Figure 6 In the embodiment of the utility model, a new structure AC motor stator includes a stator impeller body 1, an axial hole 2 is opened at the inner center of the stator impeller body 1, and a fixing sleeve 3 is installed on the outer side of the axial hole 2 on one side surface of the stator impeller body 1, and an end block 4 is installed on the outer side surface of the stator impeller body 1, and a plurality of fixing blocks 5 are installed on the outer edge of the stator impeller body 1;

[0024] The surface of one side of the stator impeller body 1 close to the fixing sleeve 3 is in contact with the motor housing 16, and bolts can be passed through the fixing blocks 5 and locked into the motor housing 16, so that the stator impeller body 1 and the motor housing 16 are installed together; bolts are passed through a certain number of fixing blocks 5 as required, and it is not necessary to pass bolts through all fixing blocks 5;

[0025] The wind cover 17 is sleeved on the outside of the plurality of fixing blocks 5 and fixed to the fixing blocks 5 by bolts or welding, so that the stator impeller body 1 is installed together with the wind cover 17;

[0026] The motor shaft 18 passes through the shaft hole 2, and the fan 19 is connected to the motor shaft 18, and the fan 19 is located between the stator impeller body 1 and the fan cover 17;

[0027] A bearing is installed in the fixed sleeve 3, and the motor shaft 18 passes through the bearing.

[0028] exist Figure 2 Middle: A plurality of reinforcing blocks 6 are installed on the outer surface of the fixed sleeve 3, and one side surface of the reinforcing blocks 6 is connected to the stator impeller body 1;

[0029] The reinforcing block 6 increases the strength of the entire stator impeller body 1 to prevent deformation due to long-term vibration.

[0030] exist Figures 1 to 6Middle: A first groove 7 is provided on a side surface of the end block 4 away from the stator impeller body 1, a waterproof ring 8 is installed inside the first groove 7, the inner diameter of the waterproof ring 8 is the same as the diameter of the shaft hole 2, a second groove 9 is provided on a side surface of the end block 4 away from the stator impeller body 1 and located outside the first groove 7, a third groove 10 is provided on a side surface of the end block 4 away from the stator impeller body 1 and located outside the second groove 9, a waterproof mechanism 11 is provided inside the second groove 9 and the third groove 10, the waterproof mechanism 11 includes a waterproof sleeve 12, the waterproof sleeve 12 is attached to the end block 4, a through hole 13 is provided at the inner center position of the waterproof sleeve 12, the diameter of the through hole 13 is the same as the diameter of the shaft hole 2, a first connecting sleeve 14 is installed on a side surface of the waterproof sleeve 12 located outside the through hole 13, the first connecting sleeve 14 is installed inside the second groove 9, a second connecting sleeve 15 is installed on a side surface of the waterproof sleeve 12 located outside the first connecting sleeve 14, the second connecting sleeve 15 is installed inside the third groove 10;

[0031] The waterproof ring 8 and the waterproof sleeve 12 are both made of rubber, and they are both attached to the outer surface of the motor shaft 18, and are used to waterproof the connection between the motor shaft 18 and the stator impeller body 1, so as to prevent moisture from entering the interior of the motor housing 16 through the connection between the stator impeller body 1 and the motor shaft 18;

[0032] The waterproof ring 8, the first connecting sleeve 14 and the second connecting sleeve 15 can all be connected by glue.

[0033] The working principle of the utility model is: the staff installs the waterproof ring 8, the first connecting sleeve 14, and the second connecting sleeve 15 in the first groove 7, the second groove 9 and the third groove 10 respectively by means of glue or the like, thereby installing the waterproof ring 8 and the waterproof sleeve 12 on the end block 4; then the fixed impeller body 1 is sleeved on the outside of the motor shaft 18 through the shaft hole 2 until it fits the motor housing 16, and the bolts are used to pass through the fixing block 5 and lock it into the motor housing 16, thereby installing the fixed impeller body 1, and then the fan 19 is installed at the end of the motor shaft 18, and finally the wind cover 17 is sleeved on the outside of the fixing block 5 and installed by bolts, thereby completing the installation of the fixed impeller.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stator impeller of an AC motor with a new structure, comprising a stator impeller body (1), an axial hole (2) being opened at the center position inside the stator impeller body (1), and a fixing sleeve (3) being installed on one side surface of the stator impeller body (1) located outside the axial hole (2), and an end block (4) being installed on the other side surface of the stator impeller body (1) located outside the axial hole (2), characterized in that: A first groove (7) is provided on a surface of a side of the end block (4) away from the stator impeller body (1), a waterproof ring (8) is installed inside the first groove (7), a second groove (9) is provided on a surface of a side of the end block (4) away from the stator impeller body (1) and located outside the first groove (7), a third groove (10) is provided on a surface of a side of the end block (4) away from the stator impeller body (1) and located outside the second groove (9), and a waterproof mechanism (11) is provided inside the second groove (9) and the third groove (10).

2. The AC motor stator with a new structure according to claim 1 is characterized in that: A plurality of fixing blocks (5) are installed on the outer edge of the stator impeller body (1).

3. The stator impeller of a new structure AC motor according to claim 1 is characterized in that: A plurality of reinforcement blocks (6) are mounted on the outer surface of the fixing sleeve (3), and one side surface of the reinforcement block (6) is connected to the stator impeller body (1).

4. The stator impeller of a new structure AC motor according to claim 1 is characterized in that: The waterproof mechanism (11) comprises a waterproof sleeve (12), a through hole (13) is provided at a central position inside the waterproof sleeve (12), a first connecting sleeve (14) is installed on one side surface of the waterproof sleeve (12) located outside the through hole (13), and a second connecting sleeve (15) is installed on one side surface of the waterproof sleeve (12) located outside the first connecting sleeve (14).

5. The stator impeller of a new structure AC motor according to claim 1 is characterized in that: The inner diameter of the waterproof ring (8) is the same as the diameter of the shaft hole (2).

6. The stator impeller of a new structure AC motor according to claim 4 is characterized in that: The waterproof sleeve (12) is fitted on the end block (4), the diameter of the through hole (13) is the same as the diameter of the shaft hole (2), the first connecting sleeve (14) is installed inside the second groove (9), and the second connecting sleeve (15) is installed inside the third groove (10).

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